diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/Kconfig | 14 | ||||
-rw-r--r-- | drivers/net/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/a2065.c | 4 | ||||
-rw-r--r-- | drivers/net/atarilance.c | 2 | ||||
-rw-r--r-- | drivers/net/declance.c | 4 | ||||
-rw-r--r-- | drivers/net/e1000e/netdev.c | 5 | ||||
-rw-r--r-- | drivers/net/hplance.c | 4 | ||||
-rw-r--r-- | drivers/net/igb/igb_main.c | 7 | ||||
-rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 7 | ||||
-rw-r--r-- | drivers/net/lib8390.c | 4 | ||||
-rw-r--r-- | drivers/net/mac8390.c | 8 | ||||
-rw-r--r-- | drivers/net/macb.c | 6 | ||||
-rw-r--r-- | drivers/net/macsonic.c | 19 | ||||
-rw-r--r-- | drivers/net/sh_eth.c | 1174 | ||||
-rw-r--r-- | drivers/net/sh_eth.h | 464 | ||||
-rw-r--r-- | drivers/net/smc911x.c | 423 | ||||
-rw-r--r-- | drivers/net/smc911x.h | 495 | ||||
-rw-r--r-- | drivers/net/sunlance.c | 4 | ||||
-rw-r--r-- | drivers/net/usb/Kconfig | 10 | ||||
-rw-r--r-- | drivers/net/usb/Makefile | 1 | ||||
-rw-r--r-- | drivers/net/usb/hso.c | 2836 |
21 files changed, 5005 insertions, 488 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index c537f53ffcb9..40eb24d6d755 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -524,6 +524,18 @@ config STNIC If unsure, say N. +config SH_ETH + tristate "Renesas SuperH Ethernet support" + depends on SUPERH && \ + (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712) + select CRC32 + select MII + select MDIO_BITBANG + select PHYLIB + help + Renesas SuperH Ethernet device driver. + This driver support SH7710 and SH7712. + config SUNLANCE tristate "Sun LANCE support" depends on SBUS @@ -955,7 +967,7 @@ config SMC911X tristate "SMSC LAN911[5678] support" select CRC32 select MII - depends on ARCH_PXA || SH_MAGIC_PANEL_R2 + depends on ARCH_PXA || SUPERH help This is a driver for SMSC's LAN911x series of Ethernet chipsets including the new LAN9115, LAN9116, LAN9117, and LAN9118. diff --git a/drivers/net/Makefile b/drivers/net/Makefile index dcbfe8421154..c96fe2036800 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -80,6 +80,7 @@ obj-$(CONFIG_VIA_RHINE) += via-rhine.o obj-$(CONFIG_VIA_VELOCITY) += via-velocity.o obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o obj-$(CONFIG_RIONET) += rionet.o +obj-$(CONFIG_SH_ETH) += sh_eth.o # # end link order section @@ -236,6 +237,7 @@ obj-$(CONFIG_USB_CATC) += usb/ obj-$(CONFIG_USB_KAWETH) += usb/ obj-$(CONFIG_USB_PEGASUS) += usb/ obj-$(CONFIG_USB_RTL8150) += usb/ +obj-$(CONFIG_USB_HSO) += usb/ obj-$(CONFIG_USB_USBNET) += usb/ obj-$(CONFIG_USB_ZD1201) += usb/ diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c index 6c5719ae8cca..9c0837435b68 100644 --- a/drivers/net/a2065.c +++ b/drivers/net/a2065.c @@ -475,16 +475,12 @@ static irqreturn_t lance_interrupt (int irq, void *dev_id) return IRQ_HANDLED; } -struct net_device *last_dev; - static int lance_open (struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); volatile struct lance_regs *ll = lp->ll; int ret; - last_dev = dev; - /* Stop the Lance */ ll->rap = LE_CSR0; ll->rdp = LE_C0_STOP; diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c index 4cceaac8863a..0860cc280b01 100644 --- a/drivers/net/atarilance.c +++ b/drivers/net/atarilance.c @@ -243,7 +243,7 @@ struct lance_private { /* Possible memory/IO addresses for probing */ -struct lance_addr { +static struct lance_addr { unsigned long memaddr; unsigned long ioaddr; int slow_flag; diff --git a/drivers/net/declance.c b/drivers/net/declance.c index 6b1e77cc069e..3e3506411ac0 100644 --- a/drivers/net/declance.c +++ b/drivers/net/declance.c @@ -773,8 +773,6 @@ static irqreturn_t lance_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -struct net_device *last_dev = 0; - static int lance_open(struct net_device *dev) { volatile u16 *ib = (volatile u16 *)dev->mem_start; @@ -782,8 +780,6 @@ static int lance_open(struct net_device *dev) volatile struct lance_regs *ll = lp->ll; int status = 0; - last_dev = dev; - /* Stop the Lance */ writereg(&ll->rap, LE_CSR0); writereg(&ll->rdp, LE_C0_STOP); diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index cab1835173cd..ccb8ca2cbb2b 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -4343,6 +4343,11 @@ static int __devinit e1000_probe(struct pci_dev *pdev, netdev->features |= NETIF_F_TSO; netdev->features |= NETIF_F_TSO6; + netdev->vlan_features |= NETIF_F_TSO; + netdev->vlan_features |= NETIF_F_TSO6; + netdev->vlan_features |= NETIF_F_HW_CSUM; + netdev->vlan_features |= NETIF_F_SG; + if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/hplance.c b/drivers/net/hplance.c index be6e5bc7c881..2e802634d366 100644 --- a/drivers/net/hplance.c +++ b/drivers/net/hplance.c @@ -220,12 +220,12 @@ static int hplance_close(struct net_device *dev) return 0; } -int __init hplance_init_module(void) +static int __init hplance_init_module(void) { return dio_register_driver(&hplance_driver); } -void __exit hplance_cleanup_module(void) +static void __exit hplance_cleanup_module(void) { dio_unregister_driver(&hplance_driver); } diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index ae398f04c7b4..7b6b780dc8a6 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -967,8 +967,13 @@ static int __devinit igb_probe(struct pci_dev *pdev, NETIF_F_HW_VLAN_FILTER; netdev->features |= NETIF_F_TSO; - netdev->features |= NETIF_F_TSO6; + + netdev->vlan_features |= NETIF_F_TSO; + netdev->vlan_features |= NETIF_F_TSO6; + netdev->vlan_features |= NETIF_F_HW_CSUM; + netdev->vlan_features |= NETIF_F_SG; + if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 7b859220c255..0d37c9025be4 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -3518,8 +3518,13 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, NETIF_F_HW_VLAN_FILTER; netdev->features |= NETIF_F_TSO; - netdev->features |= NETIF_F_TSO6; + + netdev->vlan_features |= NETIF_F_TSO; + netdev->vlan_features |= NETIF_F_TSO6; + netdev->vlan_features |= NETIF_F_HW_CSUM; + netdev->vlan_features |= NETIF_F_SG; + if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/lib8390.c b/drivers/net/lib8390.c index ed495275b577..00d59ab2f8ac 100644 --- a/drivers/net/lib8390.c +++ b/drivers/net/lib8390.c @@ -553,6 +553,8 @@ static void __ei_poll(struct net_device *dev) static void ei_tx_err(struct net_device *dev) { unsigned long e8390_base = dev->base_addr; + /* ei_local is used on some platforms via the EI_SHIFT macro */ + struct ei_device *ei_local __maybe_unused = netdev_priv(dev); unsigned char txsr = ei_inb_p(e8390_base+EN0_TSR); unsigned char tx_was_aborted = txsr & (ENTSR_ABT+ENTSR_FU); @@ -815,6 +817,8 @@ static void ei_rx_overrun(struct net_device *dev) { unsigned long e8390_base = dev->base_addr; unsigned char was_txing, must_resend = 0; + /* ei_local is used on some platforms via the EI_SHIFT macro */ + struct ei_device *ei_local __maybe_unused = netdev_priv(dev); /* * Record whether a Tx was in progress and then issue the diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c index 9e700749bb31..98e3eb2697c9 100644 --- a/drivers/net/mac8390.c +++ b/drivers/net/mac8390.c @@ -117,8 +117,6 @@ enum mac8390_access { ACCESS_16, }; -extern enum mac8390_type mac8390_ident(struct nubus_dev * dev); -extern int mac8390_memsize(unsigned long membase); extern int mac8390_memtest(struct net_device * dev); static int mac8390_initdev(struct net_device * dev, struct nubus_dev * ndev, enum mac8390_type type); @@ -163,7 +161,7 @@ static void slow_sane_block_output(struct net_device *dev, int count, static void word_memcpy_tocard(void *tp, const void *fp, int count); static void word_memcpy_fromcard(void *tp, const void *fp, int count); -enum mac8390_type __init mac8390_ident(struct nubus_dev * dev) +static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev) { switch (dev->dr_sw) { case NUBUS_DRSW_3COM: @@ -234,7 +232,7 @@ enum mac8390_type __init mac8390_ident(struct nubus_dev * dev) return MAC8390_NONE; } -enum mac8390_access __init mac8390_testio(volatile unsigned long membase) +static enum mac8390_access __init mac8390_testio(volatile unsigned long membase) { unsigned long outdata = 0xA5A0B5B0; unsigned long indata = 0x00000000; @@ -252,7 +250,7 @@ enum mac8390_access __init mac8390_testio(volatile unsigned long membase) return ACCESS_UNKNOWN; } -int __init mac8390_memsize(unsigned long membase) +static int __init mac8390_memsize(unsigned long membase) { unsigned long flags; int i, j; diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 92dccd43bdca..e34630252cef 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -80,8 +80,12 @@ static void __init macb_get_hwaddr(struct macb *bp) addr[4] = top & 0xff; addr[5] = (top >> 8) & 0xff; - if (is_valid_ether_addr(addr)) + if (is_valid_ether_addr(addr)) { memcpy(bp->dev->dev_addr, addr, sizeof(addr)); + } else { + dev_info(&bp->pdev->dev, "invalid hw address, using random\n"); + random_ether_addr(bp->dev->dev_addr); + } } static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum) diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c index b267161418ea..e64c2086d33c 100644 --- a/drivers/net/macsonic.c +++ b/drivers/net/macsonic.c @@ -83,9 +83,6 @@ static unsigned int sonic_debug = 1; static int sonic_version_printed; -extern int mac_onboard_sonic_probe(struct net_device* dev); -extern int mac_nubus_sonic_probe(struct net_device* dev); - /* For onboard SONIC */ #define ONBOARD_SONIC_REGISTERS 0x50F0A000 #define ONBOARD_SONIC_PROM_BASE 0x50f08000 @@ -170,7 +167,7 @@ static int macsonic_close(struct net_device* dev) return err; } -int __init macsonic_init(struct net_device* dev) +static int __init macsonic_init(struct net_device *dev) { struct sonic_local* lp = netdev_priv(dev); @@ -218,7 +215,7 @@ int __init macsonic_init(struct net_device* dev) return 0; } -int __init mac_onboard_sonic_ethernet_addr(struct net_device* dev) +static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev) { struct sonic_local *lp = netdev_priv(dev); const int prom_addr = ONBOARD_SONIC_PROM_BASE; @@ -284,7 +281,7 @@ int __init mac_onboard_sonic_ethernet_addr(struct net_device* dev) } else return 0; } -int __init mac_onboard_sonic_probe(struct net_device* dev) +static int __init mac_onboard_sonic_probe(struct net_device *dev) { /* Bwahahaha */ static int once_is_more_than_enough; @@ -405,9 +402,9 @@ int __init mac_onboard_sonic_probe(struct net_device* dev) return macsonic_init(dev); } -int __init mac_nubus_sonic_ethernet_addr(struct net_device* dev, - unsigned long prom_addr, - int id) +static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev, + unsigned long prom_addr, + int id) { int i; for(i = 0; i < 6; i++) @@ -420,7 +417,7 @@ int __init mac_nubus_sonic_ethernet_addr(struct net_device* dev, return 0; } -int __init macsonic_ident(struct nubus_dev* ndev) +static int __init macsonic_ident(struct nubus_dev *ndev) { if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && ndev->dr_sw == NUBUS_DRSW_SONIC_LC) @@ -445,7 +442,7 @@ int __init macsonic_ident(struct nubus_dev* ndev) return -1; } -int __init mac_nubus_sonic_probe(struct net_device* dev) +static int __init mac_nubus_sonic_probe(struct net_device *dev) { static int slots; struct nubus_dev* ndev = NULL; diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c new file mode 100644 index 000000000000..f64d987140a9 --- /dev/null +++ b/drivers/net/sh_eth.c @@ -0,0 +1,1174 @@ +/* + * SuperH Ethernet device driver + * + * Copyright (C) 2006,2007 Nobuhiro Iwamatsu + * Copyright (C) 2008 Renesas Solutions Corp. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + */ + +#include <linux/version.h> +#include <linux/init.h> +#include <linux/dma-mapping.h> +#include <linux/etherdevice.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/mdio-bitbang.h> +#include <linux/netdevice.h> +#include <linux/phy.h> +#include <linux/cache.h> +#include <linux/io.h> + +#include "sh_eth.h" + +/* + * Program the hardware MAC address from dev->dev_addr. + */ +static void update_mac_address(struct net_device *ndev) +{ + u32 ioaddr = ndev->base_addr; + + ctrl_outl((ndev->dev_addr[0] << 24) | (ndev->dev_addr[1] << 16) | + (ndev->dev_addr[2] << 8) | (ndev->dev_addr[3]), + ioaddr + MAHR); + ctrl_outl((ndev->dev_addr[4] << 8) | (ndev->dev_addr[5]), + ioaddr + MALR); +} + +/* + * Get MAC address from SuperH MAC address register + * + * SuperH's Ethernet device doesn't have 'ROM' to MAC address. + * This driver get MAC address that use by bootloader(U-boot or sh-ipl+g). + * When you want use this device, you must set MAC address in bootloader. + * + */ +static void read_mac_address(struct net_device *ndev) +{ + u32 ioaddr = ndev->base_addr; + + ndev->dev_addr[0] = (ctrl_inl(ioaddr + MAHR) >> 24); + ndev->dev_addr[1] = (ctrl_inl(ioaddr + MAHR) >> 16) & 0xFF; + ndev->dev_addr[2] = (ctrl_inl(ioaddr + MAHR) >> 8) & 0xFF; + ndev->dev_addr[3] = (ctrl_inl(ioaddr + MAHR) & 0xFF); + ndev->dev_addr[4] = (ctrl_inl(ioaddr + MALR) >> 8) & 0xFF; + ndev->dev_addr[5] = (ctrl_inl(ioaddr + MALR) & 0xFF); +} + +struct bb_info { + struct mdiobb_ctrl ctrl; + u32 addr; + u32 mmd_msk;/* MMD */ + u32 mdo_msk; + u32 mdi_msk; + u32 mdc_msk; +}; + +/* PHY bit set */ +static void bb_set(u32 addr, u32 msk) +{ + ctrl_outl(ctrl_inl(addr) | msk, addr); +} + +/* PHY bit clear */ +static void bb_clr(u32 addr, u32 msk) +{ + ctrl_outl((ctrl_inl(addr) & ~msk), addr); +} + +/* PHY bit read */ +static int bb_read(u32 addr, u32 msk) +{ + return (ctrl_inl(addr) & msk) != 0; +} + +/* Data I/O pin control */ +static void sh_mmd_ctrl(struct mdiobb_ctrl *ctrl, int bit) +{ + struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); + if (bit) + bb_set(bitbang->addr, bitbang->mmd_msk); + else + bb_clr(bitbang->addr, bitbang->mmd_msk); +} + +/* Set bit data*/ +static void sh_set_mdio(struct mdiobb_ctrl *ctrl, int bit) +{ + struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); + + if (bit) + bb_set(bitbang->addr, bitbang->mdo_msk); + else + bb_clr(bitbang->addr, bitbang->mdo_msk); +} + +/* Get bit data*/ +static int sh_get_mdio(struct mdiobb_ctrl *ctrl) +{ + struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); + return bb_read(bitbang->addr, bitbang->mdi_msk); +} + +/* MDC pin control */ +static void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit) +{ + struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); + + if (bit) + bb_set(bitbang->addr, bitbang->mdc_msk); + else + bb_clr(bitbang->addr, bitbang->mdc_msk); +} + +/* mdio bus control struct */ +static struct mdiobb_ops bb_ops = { + .owner = THIS_MODULE, + .set_mdc = sh_mdc_ctrl, + .set_mdio_dir = sh_mmd_ctrl, + .set_mdio_data = sh_set_mdio, + .get_mdio_data = sh_get_mdio, +}; + +static void sh_eth_reset(struct net_device *ndev) +{ + u32 ioaddr = ndev->base_addr; + + ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR); + mdelay(3); + ctrl_outl(ctrl_inl(ioaddr + EDMR) & ~EDMR_SRST, ioaddr + EDMR); +} + +/* free skb and descriptor buffer */ +static void sh_eth_ring_free(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + int i; + + /* Free Rx skb ringbuffer */ + if (mdp->rx_skbuff) { + for (i = 0; i < RX_RING_SIZE; i++) { + if (mdp->rx_skbuff[i]) + dev_kfree_skb(mdp->rx_skbuff[i]); + } + } + kfree(mdp->rx_skbuff); + + /* Free Tx skb ringbuffer */ + if (mdp->tx_skbuff) { + for (i = 0; i < TX_RING_SIZE; i++) { + if (mdp->tx_skbuff[i]) + dev_kfree_skb(mdp->tx_skbuff[i]); + } + } + kfree(mdp->tx_skbuff); +} + +/* format skb and descriptor buffer */ +static void sh_eth_ring_format(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + int i; + struct sk_buff *skb; + struct sh_eth_rxdesc *rxdesc = NULL; + struct sh_eth_txdesc *txdesc = NULL; + int rx_ringsize = sizeof(*rxdesc) * RX_RING_SIZE; + int tx_ringsize = sizeof(*txdesc) * TX_RING_SIZE; + + mdp->cur_rx = mdp->cur_tx = 0; + mdp->dirty_rx = mdp->dirty_tx = 0; + + memset(mdp->rx_ring, 0, rx_ringsize); + + /* build Rx ring buffer */ + for (i = 0; i < RX_RING_SIZE; i++) { + /* skb */ + mdp->rx_skbuff[i] = NULL; + skb = dev_alloc_skb(mdp->rx_buf_sz); + mdp->rx_skbuff[i] = skb; + if (skb == NULL) + break; + skb->dev = ndev; /* Mark as being used by this device. */ + skb_reserve(skb, RX_OFFSET); + + /* RX descriptor */ + rxdesc = &mdp->rx_ring[i]; + rxdesc->addr = (u32)skb->data & ~0x3UL; + rxdesc->status = cpu_to_le32(RD_RACT | RD_RFP); + + /* The size of the buffer is 16 byte boundary. */ + rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F; + } + + mdp->dirty_rx = (u32) (i - RX_RING_SIZE); + + /* Mark the last entry as wrapping the ring. */ + rxdesc->status |= cpu_to_le32(RC_RDEL); + + memset(mdp->tx_ring, 0, tx_ringsize); + + /* build Tx ring buffer */ + for (i = 0; i < TX_RING_SIZE; i++) { + mdp->tx_skbuff[i] = NULL; + txdesc = &mdp->tx_ring[i]; + txdesc->status = cpu_to_le32(TD_TFP); + txdesc->buffer_length = 0; + } + + txdesc->status |= cpu_to_le32(TD_TDLE); +} + +/* Get skb and descriptor buffer */ +static int sh_eth_ring_init(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + int rx_ringsize, tx_ringsize, ret = 0; + + /* + * +26 gets the maximum ethernet encapsulation, +7 & ~7 because the + * card needs room to do 8 byte alignment, +2 so we can reserve + * the first 2 bytes, and +16 gets room for the status word from the + * card. + */ + mdp->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : + (((ndev->mtu + 26 + 7) & ~7) + 2 + 16)); + + /* Allocate RX and TX skb rings */ + mdp->rx_skbuff = kmalloc(sizeof(*mdp->rx_skbuff) * RX_RING_SIZE, + GFP_KERNEL); + if (!mdp->rx_skbuff) { + printk(KERN_ERR "%s: Cannot allocate Rx skb\n", ndev->name); + ret = -ENOMEM; + return ret; + } + + mdp->tx_skbuff = kmalloc(sizeof(*mdp->tx_skbuff) * TX_RING_SIZE, + GFP_KERNEL); + if (!mdp->tx_skbuff) { + printk(KERN_ERR "%s: Cannot allocate Tx skb\n", ndev->name); + ret = -ENOMEM; + goto skb_ring_free; + } + + /* Allocate all Rx descriptors. */ + rx_ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; + mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma, + GFP_KERNEL); + + if (!mdp->rx_ring) { + printk(KERN_ERR "%s: Cannot allocate Rx Ring (size %d bytes)\n", + ndev->name, rx_ringsize); + ret = -ENOMEM; + goto desc_ring_free; + } + + mdp->dirty_rx = 0; + + /* Allocate all Tx descriptors. */ + tx_ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; + mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, + GFP_KERNEL); + if (!mdp->tx_ring) { + printk(KERN_ERR "%s: Cannot allocate Tx Ring (size %d bytes)\n", + ndev->name, tx_ringsize); + ret = -ENOMEM; + goto desc_ring_free; + } + return ret; + +desc_ring_free: + /* free DMA buffer */ + dma_free_coherent(NULL, rx_ringsize, mdp->rx_ring, mdp->rx_desc_dma); + +skb_ring_free: + /* Free Rx and Tx skb ring buffer */ + sh_eth_ring_free(ndev); + + return ret; +} + +static int sh_eth_dev_init(struct net_device *ndev) +{ + int ret = 0; + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr = ndev->base_addr; + u_int32_t rx_int_var, tx_int_var; + u32 val; + + /* Soft Reset */ + sh_eth_reset(ndev); + + ctrl_outl(RPADIR_PADS1, ioaddr + RPADIR); /* SH7712-DMA-RX-PAD2 */ + + /* all sh_eth int mask */ + ctrl_outl(0, ioaddr + EESIPR); + + /* FIFO size set */ + ctrl_outl(0, ioaddr + EDMR); /* Endian change */ + + ctrl_outl((FIFO_SIZE_T | FIFO_SIZE_R), ioaddr + FDR); + ctrl_outl(0, ioaddr + TFTR); + + ctrl_outl(RMCR_RST, ioaddr + RMCR); + + rx_int_var = mdp->rx_int_var = DESC_I_RINT8 | DESC_I_RINT5; + tx_int_var = mdp->tx_int_var = DESC_I_TINT2; + ctrl_outl(rx_int_var | tx_int_var, ioaddr + TRSCER); + + ctrl_outl((FIFO_F_D_RFF | FIFO_F_D_RFD), ioaddr + FCFTR); + ctrl_outl(0, ioaddr + TRIMD); + + /* Descriptor format */ + sh_eth_ring_format(ndev); + + ctrl_outl((u32)mdp->rx_ring, ioaddr + RDLAR); + ctrl_outl((u32)mdp->tx_ring, ioaddr + TDLAR); + + ctrl_outl(ctrl_inl(ioaddr + EESR), ioaddr + EESR); + ctrl_outl((DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff), ioaddr + EESIPR); + + /* PAUSE Prohibition */ + val = (ctrl_inl(ioaddr + ECMR) & ECMR_DM) | + ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) | ECMR_TE | ECMR_RE; + + ctrl_outl(val, ioaddr + ECMR); + ctrl_outl(ECSR_BRCRX | ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD | + ECSIPR_MPDIP, ioaddr + ECSR); + ctrl_outl(ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | + ECSIPR_ICDIP | ECSIPR_MPDIP, ioaddr + ECSIPR); + + /* Set MAC address */ + update_mac_address(ndev); + + /* mask reset */ +#if defined(CONFIG_CPU_SUBTYPE_SH7710) + ctrl_outl(APR_AP, ioaddr + APR); + ctrl_outl(MPR_MP, ioaddr + MPR); + ctrl_outl(TPAUSER_UNLIMITED, ioaddr + TPAUSER); + ctrl_outl(BCFR_UNLIMITED, ioaddr + BCFR); +#endif + /* Setting the Rx mode will start the Rx process. */ + ctrl_outl(EDRRR_R, ioaddr + EDRRR); + + netif_start_queue(ndev); + + return ret; +} + +/* free Tx skb function */ +static int sh_eth_txfree(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + struct sh_eth_txdesc *txdesc; + int freeNum = 0; + int entry = 0; + + for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { + entry = mdp->dirty_tx % TX_RING_SIZE; + txdesc = &mdp->tx_ring[entry]; + if (txdesc->status & cpu_to_le32(TD_TACT)) + break; + /* Free the original skb. */ + if (mdp->tx_skbuff[entry]) { + dev_kfree_skb_irq(mdp->tx_skbuff[entry]); + mdp->tx_skbuff[entry] = NULL; + freeNum++; + } + txdesc->status = cpu_to_le32(TD_TFP); + if (entry >= TX_RING_SIZE - 1) + txdesc->status |= cpu_to_le32(TD_TDLE); + + mdp->stats.tx_packets++; + mdp->stats.tx_bytes += txdesc->buffer_length; + } + return freeNum; +} + +/* Packet receive function */ +static int sh_eth_rx(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + struct sh_eth_rxdesc *rxdesc; + + int entry = mdp->cur_rx % RX_RING_SIZE; + int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx; + struct sk_buff *skb; + u16 pkt_len = 0; + u32 desc_status; + + rxdesc = &mdp->rx_ring[entry]; + while (!(rxdesc->status & cpu_to_le32(RD_RACT))) { + desc_status = le32_to_cpu(rxdesc->status); + pkt_len = rxdesc->frame_length; + + if (--boguscnt < 0) + break; + + if (!(desc_status & RDFEND)) + mdp->stats.rx_length_errors++; + + if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 | + RD_RFS5 | RD_RFS6 | RD_RFS10)) { + mdp->stats.rx_errors++; + if (desc_status & RD_RFS1) + mdp->stats.rx_crc_errors++; + if (desc_status & RD_RFS2) + mdp->stats.rx_frame_errors++; + if (desc_status & RD_RFS3) + mdp->stats.rx_length_errors++; + if (desc_status & RD_RFS4) + mdp->stats.rx_length_errors++; + if (desc_status & RD_RFS6) + mdp->stats.rx_missed_errors++; + if (desc_status & RD_RFS10) + mdp->stats.rx_over_errors++; + } else { + swaps((char *)(rxdesc->addr & ~0x3), pkt_len + 2); + skb = mdp->rx_skbuff[entry]; + mdp->rx_skbuff[entry] = NULL; + skb_put(skb, pkt_len); + skb->protocol = eth_type_trans(skb, ndev); + netif_rx(skb); + ndev->last_rx = jiffies; + mdp->stats.rx_packets++; + mdp->stats.rx_bytes += pkt_len; + } + rxdesc->status |= cpu_to_le32(RD_RACT); + entry = (++mdp->cur_rx) % RX_RING_SIZE; + } + + /* Refill the Rx ring buffers. */ + for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) { + entry = mdp->dirty_rx % RX_RING_SIZE; + rxdesc = &mdp->rx_ring[entry]; + if (mdp->rx_skbuff[entry] == NULL) { + skb = dev_alloc_skb(mdp->rx_buf_sz); + mdp->rx_skbuff[entry] = skb; + if (skb == NULL) + break; /* Better luck next round. */ + skb->dev = ndev; + skb_reserve(skb, RX_OFFSET); + rxdesc->addr = (u32)skb->data & ~0x3UL; + } + /* The size of the buffer is 16 byte boundary. */ + rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F; + if (entry >= RX_RING_SIZE - 1) + rxdesc->status |= + cpu_to_le32(RD_RACT | RD_RFP | RC_RDEL); + else + rxdesc->status |= + cpu_to_le32(RD_RACT | RD_RFP); + } + + /* Restart Rx engine if stopped. */ + /* If we don't need to check status, don't. -KDU */ + ctrl_outl(EDRRR_R, ndev->base_addr + EDRRR); + + return 0; +} + +/* error control function */ +static void sh_eth_error(struct net_device *ndev, int intr_status) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr = ndev->base_addr; + u32 felic_stat; + + if (intr_status & EESR_ECI) { + felic_stat = ctrl_inl(ioaddr + ECSR); + ctrl_outl(felic_stat, ioaddr + ECSR); /* clear int */ + if (felic_stat & ECSR_ICD) + mdp->stats.tx_carrier_errors++; + if (felic_stat & ECSR_LCHNG) { + /* Link Changed */ + u32 link_stat = (ctrl_inl(ioaddr + PSR)); + if (!(link_stat & PHY_ST_LINK)) { + /* Link Down : disable tx and rx */ + ctrl_outl(ctrl_inl(ioaddr + ECMR) & + ~(ECMR_RE | ECMR_TE), ioaddr + ECMR); + } else { + /* Link Up */ + ctrl_outl(ctrl_inl(ioaddr + EESIPR) & + ~DMAC_M_ECI, ioaddr + EESIPR); + /*clear int */ + ctrl_outl(ctrl_inl(ioaddr + ECSR), + ioaddr + ECSR); + ctrl_outl(ctrl_inl(ioaddr + EESIPR) | + DMAC_M_ECI, ioaddr + EESIPR); + /* enable tx and rx */ + ctrl_outl(ctrl_inl(ioaddr + ECMR) | + (ECMR_RE | ECMR_TE), ioaddr + ECMR); + } + } + } + + if (intr_status & EESR_TWB) { + /* Write buck end. unused write back interrupt */ + if (intr_status & EESR_TABT) /* Transmit Abort int */ + mdp->stats.tx_aborted_errors++; + } + + if (intr_status & EESR_RABT) { + /* Receive Abort int */ + if (intr_status & EESR_RFRMER) { + /* Receive Frame Overflow int */ + mdp->stats.rx_frame_errors++; + printk(KERN_ERR "Receive Frame Overflow\n"); + } + } + + if (intr_status & EESR_ADE) { + if (intr_status & EESR_TDE) { + if (intr_status & EESR_TFE) + mdp->stats.tx_fifo_errors++; + } + } + + if (intr_status & EESR_RDE) { + /* Receive Descriptor Empty int */ + mdp->stats.rx_over_errors++; + + if (ctrl_inl(ioaddr + EDRRR) ^ EDRRR_R) + ctrl_outl(EDRRR_R, ioaddr + EDRRR); + printk(KERN_ERR "Receive Descriptor Empty\n"); + } + if (intr_status & EESR_RFE) { + /* Receive FIFO Overflow int */ + mdp->stats.rx_fifo_errors++; + printk(KERN_ERR "Receive FIFO Overflow\n"); + } + if (intr_status & + (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE)) { + /* Tx error */ + u32 edtrr = ctrl_inl(ndev->base_addr + EDTRR); + /* dmesg */ + printk(KERN_ERR "%s:TX error. status=%8.8x cur_tx=%8.8x ", + ndev->name, intr_status, mdp->cur_tx); + printk(KERN_ERR "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", + mdp->dirty_tx, (u32) ndev->state, edtrr); + /* dirty buffer free */ + sh_eth_txfree(ndev); + + /* SH7712 BUG */ + if (edtrr ^ EDTRR_TRNS) { + /* tx dma start */ + ctrl_outl(EDTRR_TRNS, ndev->base_addr + EDTRR); + } + /* wakeup */ + netif_wake_queue(ndev); + } +} + +static irqreturn_t sh_eth_interrupt(int irq, void *netdev) +{ + struct net_device *ndev = netdev; + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr, boguscnt = RX_RING_SIZE; + u32 intr_status = 0; + + ioaddr = ndev->base_addr; + spin_lock(&mdp->lock); + + intr_status = ctrl_inl(ioaddr + EESR); + /* Clear interrupt */ + ctrl_outl(intr_status, ioaddr + EESR); + + if (intr_status & (EESR_FRC | EESR_RINT8 | + EESR_RINT5 | EESR_RINT4 | EESR_RINT3 | EESR_RINT2 | + EESR_RINT1)) + sh_eth_rx(ndev); + if (intr_status & (EESR_FTC | + EESR_TINT4 | EESR_TINT3 | EESR_TINT2 | EESR_TINT1)) { + + sh_eth_txfree(ndev); + netif_wake_queue(ndev); + } + + if (intr_status & EESR_ERR_CHECK) + sh_eth_error(ndev, intr_status); + + if (--boguscnt < 0) { + printk(KERN_WARNING + "%s: Too much work at interrupt, status=0x%4.4x.\n", + ndev->name, intr_status); + } + + spin_unlock(&mdp->lock); + + return IRQ_HANDLED; +} + +static void sh_eth_timer(unsigned long data) +{ + struct net_device *ndev = (struct net_device *)data; + struct sh_eth_private *mdp = netdev_priv(ndev); + + mod_timer(&mdp->timer, jiffies + (10 * HZ)); +} + +/* PHY state control function */ +static void sh_eth_adjust_link(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + struct phy_device *phydev = mdp->phydev; + u32 ioaddr = ndev->base_addr; + int new_state = 0; + + if (phydev->link != PHY_DOWN) { + if (phydev->duplex != mdp->duplex) { + new_state = 1; + mdp->duplex = phydev->duplex; + } + + if (phydev->speed != mdp->speed) { + new_state = 1; + mdp->speed = phydev->speed; + } + if (mdp->link == PHY_DOWN) { + ctrl_outl((ctrl_inl(ioaddr + ECMR) & ~ECMR_TXF) + | ECMR_DM, ioaddr + ECMR); + new_state = 1; + mdp->link = phydev->link; + netif_schedule(ndev); + netif_carrier_on(ndev); + netif_start_queue(ndev); + } + } else if (mdp->link) { + new_state = 1; + mdp->link = PHY_DOWN; + mdp->speed = 0; + mdp->duplex = -1; + netif_stop_queue(ndev); + netif_carrier_off(ndev); + } + + if (new_state) + phy_print_status(phydev); +} + +/* PHY init function */ +static int sh_eth_phy_init(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + char phy_id[BUS_ID_SIZE]; + struct phy_device *phydev = NULL; + + snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, + mdp->mii_bus->id , mdp->phy_id); + + mdp->link = PHY_DOWN; + mdp->speed = 0; + mdp->duplex = -1; + + /* Try connect to PHY */ + phydev = phy_connect(ndev, phy_id, &sh_eth_adjust_link, + 0, PHY_INTERFACE_MODE_MII); + if (IS_ERR(phydev)) { + dev_err(&ndev->dev, "phy_connect failed\n"); + return PTR_ERR(phydev); + } + dev_info(&ndev->dev, "attached phy %i to driver %s\n", + phydev->addr, phydev->drv->name); + + mdp->phydev = phydev; + + return 0; +} + +/* PHY control start function */ +static int sh_eth_phy_start(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + int ret; + + ret = sh_eth_phy_init(ndev); + if (ret) + return ret; + + /* reset phy - this also wakes it from PDOWN */ + phy_write(mdp->phydev, MII_BMCR, BMCR_RESET); + phy_start(mdp->phydev); + + return 0; +} + +/* network device open function */ +static int sh_eth_open(struct net_device *ndev) +{ + int ret = 0; + struct sh_eth_private *mdp = netdev_priv(ndev); + + ret = request_irq(ndev->irq, &sh_eth_interrupt, 0, ndev->name, ndev); + if (ret) { + printk(KERN_ERR "Can not assign IRQ number to %s\n", CARDNAME); + return ret; + } + + /* Descriptor set */ + ret = sh_eth_ring_init(ndev); + if (ret) + goto out_free_irq; + + /* device init */ + ret = sh_eth_dev_init(ndev); + if (ret) + goto out_free_irq; + + /* PHY control start*/ + ret = sh_eth_phy_start(ndev); + if (ret) + goto out_free_irq; + + /* Set the timer to check for link beat. */ + init_timer(&mdp->timer); + mdp->timer.expires = (jiffies + (24 * HZ)) / 10;/* 2.4 sec. */ + setup_timer(&mdp->timer, sh_eth_timer, ndev); + + return ret; + +out_free_irq: + free_irq(ndev->irq, ndev); + return ret; +} + +/* Timeout function */ +static void sh_eth_tx_timeout(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr = ndev->base_addr; + struct sh_eth_rxdesc *rxdesc; + int i; + + netif_stop_queue(ndev); + + /* worning message out. */ + printk(KERN_WARNING "%s: transmit timed out, status %8.8x," + " resetting...\n", ndev->name, (int)ctrl_inl(ioaddr + EESR)); + + /* tx_errors count up */ + mdp->stats.tx_errors++; + + /* timer off */ + del_timer_sync(&mdp->timer); + + /* Free all the skbuffs in the Rx queue. */ + for (i = 0; i < RX_RING_SIZE; i++) { + rxdesc = &mdp->rx_ring[i]; + rxdesc->status = 0; + rxdesc->addr = 0xBADF00D0; + if (mdp->rx_skbuff[i]) + dev_kfree_skb(mdp->rx_skbuff[i]); + mdp->rx_skbuff[i] = NULL; + } + for (i = 0; i < TX_RING_SIZE; i++) { + if (mdp->tx_skbuff[i]) + dev_kfree_skb(mdp->tx_skbuff[i]); + mdp->tx_skbuff[i] = NULL; + } + + /* device init */ + sh_eth_dev_init(ndev); + + /* timer on */ + mdp->timer.expires = (jiffies + (24 * HZ)) / 10;/* 2.4 sec. */ + add_timer(&mdp->timer); +} + +/* Packet transmit function */ +static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + struct sh_eth_txdesc *txdesc; + u32 entry; + int flags; + + spin_lock_irqsave(&mdp->lock, flags); + if ((mdp->cur_tx - mdp->dirty_tx) >= (TX_RING_SIZE - 4)) { + if (!sh_eth_txfree(ndev)) { + netif_stop_queue(ndev); + spin_unlock_irqrestore(&mdp->lock, flags); + return 1; + } + } + spin_unlock_irqrestore(&mdp->lock, flags); + + entry = mdp->cur_tx % TX_RING_SIZE; + mdp->tx_skbuff[entry] = skb; + txdesc = &mdp->tx_ring[entry]; + txdesc->addr = (u32)(skb->data); + /* soft swap. */ + swaps((char *)(txdesc->addr & ~0x3), skb->len + 2); + /* write back */ + __flush_purge_region(skb->data, skb->len); + if (skb->len < ETHERSMALL) + txdesc->buffer_length = ETHERSMALL; + else + txdesc->buffer_length = skb->len; + + if (entry >= TX_RING_SIZE - 1) + txdesc->status |= cpu_to_le32(TD_TACT | TD_TDLE); + else + txdesc->status |= cpu_to_le32(TD_TACT); + + mdp->cur_tx++; + + ctrl_outl(EDTRR_TRNS, ndev->base_addr + EDTRR); + ndev->trans_start = jiffies; + + return 0; +} + +/* device close function */ +static int sh_eth_close(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr = ndev->base_addr; + int ringsize; + + netif_stop_queue(ndev); + + /* Disable interrupts by clearing the interrupt mask. */ + ctrl_outl(0x0000, ioaddr + EESIPR); + + /* Stop the chip's Tx and Rx processes. */ + ctrl_outl(0, ioaddr + EDTRR); + ctrl_outl(0, ioaddr + EDRRR); + + /* PHY Disconnect */ + if (mdp->phydev) { + phy_stop(mdp->phydev); + phy_disconnect(mdp->phydev); + } + + free_irq(ndev->irq, ndev); + + del_timer_sync(&mdp->timer); + + /* Free all the skbuffs in the Rx queue. */ + sh_eth_ring_free(ndev); + + /* free DMA buffer */ + ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; + dma_free_coherent(NULL, ringsize, mdp->rx_ring, mdp->rx_desc_dma); + + /* free DMA buffer */ + ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; + dma_free_coherent(NULL, ringsize, mdp->tx_ring, mdp->tx_desc_dma); + + return 0; +} + +static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr = ndev->base_addr; + + mdp->stats.tx_dropped += ctrl_inl(ioaddr + TROCR); + ctrl_outl(0, ioaddr + TROCR); /* (write clear) */ + mdp->stats.collisions += ctrl_inl(ioaddr + CDCR); + ctrl_outl(0, ioaddr + CDCR); /* (write clear) */ + mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + LCCR); + ctrl_outl(0, ioaddr + LCCR); /* (write clear) */ + mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + CNDCR); + ctrl_outl(0, ioaddr + CNDCR); /* (write clear) */ + + return &mdp->stats; +} + +/* ioctl to device funciotn*/ +static int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, + int cmd) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + struct phy_device *phydev = mdp->phydev; + + if (!netif_running(ndev)) + return -EINVAL; + + if (!phydev) + return -ENODEV; + + return phy_mii_ioctl(phydev, if_mii(rq), cmd); +} + + +/* Multicast reception directions set */ +static void sh_eth_set_multicast_list(struct net_device *ndev) +{ + u32 ioaddr = ndev->base_addr; + + if (ndev->flags & IFF_PROMISC) { + /* Set promiscuous. */ + ctrl_outl((ctrl_inl(ioaddr + ECMR) & ~ECMR_MCT) | ECMR_PRM, + ioaddr + ECMR); + } else { + /* Normal, unicast/broadcast-only mode. */ + ctrl_outl((ctrl_inl(ioaddr + ECMR) & ~ECMR_PRM) | ECMR_MCT, + ioaddr + ECMR); + } +} + +/* SuperH's TSU register init function */ +static void sh_eth_tsu_init(u32 ioaddr) +{ + ctrl_outl(0, ioaddr + TSU_FWEN0); /* Disable forward(0->1) */ + ctrl_outl(0, ioaddr + TSU_FWEN1); /* Disable forward(1->0) */ + ctrl_outl(0, ioaddr + TSU_FCM); /* forward fifo 3k-3k */ + ctrl_outl(0xc, ioaddr + TSU_BSYSL0); + ctrl_outl(0xc, ioaddr + TSU_BSYSL1); + ctrl_outl(0, ioaddr + TSU_PRISL0); + ctrl_outl(0, ioaddr + TSU_PRISL1); + ctrl_outl(0, ioaddr + TSU_FWSL0); + ctrl_outl(0, ioaddr + TSU_FWSL1); + ctrl_outl(TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, ioaddr + TSU_FWSLC); + ctrl_outl(0, ioaddr + TSU_QTAGM0); /* Disable QTAG(0->1) */ + ctrl_outl(0, ioaddr + TSU_QTAGM1); /* Disable QTAG(1->0) */ + ctrl_outl(0, ioaddr + TSU_FWSR); /* all interrupt status clear */ + ctrl_outl(0, ioaddr + TSU_FWINMK); /* Disable all interrupt */ + ctrl_outl(0, ioaddr + TSU_TEN); /* Disable all CAM entry */ + ctrl_outl(0, ioaddr + TSU_POST1); /* Disable CAM entry [ 0- 7] */ + ctrl_outl(0, ioaddr + TSU_POST2); /* Disable CAM entry [ 8-15] */ + ctrl_outl(0, ioaddr + TSU_POST3); /* Disable CAM entry [16-23] */ + ctrl_outl(0, ioaddr + TSU_POST4); /* Disable CAM entry [24-31] */ +} + +/* MDIO bus release function */ +static int sh_mdio_release(struct net_device *ndev) +{ + struct mii_bus *bus = dev_get_drvdata(&ndev->dev); + + /* unregister mdio bus */ + mdiobus_unregister(bus); + + /* remove mdio bus info from net_device */ + dev_set_drvdata(&ndev->dev, NULL); + + /* free bitbang info */ + free_mdio_bitbang(bus); + + return 0; +} + +/* MDIO bus init function */ +static int sh_mdio_init(struct net_device *ndev, int id) +{ + int ret, i; + struct bb_info *bitbang; + struct sh_eth_private *mdp = netdev_priv(ndev); + + /* create bit control struct for PHY */ + bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL); + if (!bitbang) { + ret = -ENOMEM; + goto out; + } + + /* bitbang init */ + bitbang->addr = ndev->base_addr + PIR; + bitbang->mdi_msk = 0x08; + bitbang->mdo_msk = 0x04; + bitbang->mmd_msk = 0x02;/* MMD */ + bitbang->mdc_msk = 0x01; + bitbang->ctrl.ops = &bb_ops; + + /* MII contorller setting */ + mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl); + if (!mdp->mii_bus) { + ret = -ENOMEM; + goto out_free_bitbang; + } + + /* Hook up MII support for ethtool */ + mdp->mii_bus->name = "sh_mii"; + mdp->mii_bus->dev = &ndev->dev; + mdp->mii_bus->id = id; + + /* PHY IRQ */ + mdp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); + if (!mdp->mii_bus->irq) { + ret = -ENOMEM; + goto out_free_bus; + } + + for (i = 0; i < PHY_MAX_ADDR; i++) + mdp->mii_bus->irq[i] = PHY_POLL; + + /* regist mdio bus */ + ret = mdiobus_register(mdp->mii_bus); + if (ret) + goto out_free_irq; + + dev_set_drvdata(&ndev->dev, mdp->mii_bus); + + return 0; + +out_free_irq: + kfree(mdp->mii_bus->irq); + +out_free_bus: + kfree(mdp->mii_bus); + +out_free_bitbang: + kfree(bitbang); + +out: + return ret; +} + +static int sh_eth_drv_probe(struct platform_device *pdev) +{ + int ret, i, devno = 0; + struct resource *res; + struct net_device *ndev = NULL; + struct sh_eth_private *mdp; + + /* get base addr */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(res == NULL)) { + dev_err(&pdev->dev, "invalid resource\n"); + ret = -EINVAL; + goto out; + } + + ndev = alloc_etherdev(sizeof(struct sh_eth_private)); + if (!ndev) { + printk(KERN_ERR "%s: could not allocate device.\n", CARDNAME); + ret = -ENOMEM; + goto out; + } + + /* The sh Ether-specific entries in the device structure. */ + ndev->base_addr = res->start; + devno = pdev->id; + if (devno < 0) + devno = 0; + + ndev->dma = -1; + ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) { + ret = -ENODEV; + goto out_release; + } + + SET_NETDEV_DEV(ndev, &pdev->dev); + + /* Fill in the fields of the device structure with ethernet values. */ + ether_setup(ndev); + + mdp = netdev_priv(ndev); + spin_lock_init(&mdp->lock); + + /* get PHY ID */ + mdp->phy_id = (int)pdev->dev.platform_data; + + /* set function */ + ndev->open = sh_eth_open; + ndev->hard_start_xmit = sh_eth_start_xmit; + ndev->stop = sh_eth_close; + ndev->get_stats = sh_eth_get_stats; + ndev->set_multicast_list = sh_eth_set_multicast_list; + ndev->do_ioctl = sh_eth_do_ioctl; + ndev->tx_timeout = sh_eth_tx_timeout; + ndev->watchdog_timeo = TX_TIMEOUT; + + mdp->post_rx = POST_RX >> (devno << 1); + mdp->post_fw = POST_FW >> (devno << 1); + + /* read and set MAC address */ + read_mac_address(ndev); + + /* First device only init */ + if (!devno) { + /* reset device */ + ctrl_outl(ARSTR_ARSTR, ndev->base_addr + ARSTR); + mdelay(1); + + /* TSU init (Init only)*/ + sh_eth_tsu_init(SH_TSU_ADDR); + } + + /* network device register */ + ret = register_netdev(ndev); + if (ret) + goto out_release; + + /* mdio bus init */ + ret = sh_mdio_init(ndev, pdev->id); + if (ret) + goto out_unregister; + + /* pritnt device infomation */ + printk(KERN_INFO "%s: %s at 0x%x, ", + ndev->name, CARDNAME, (u32) ndev->base_addr); + + for (i = 0; i < 5; i++) + printk(KERN_INFO "%2.2x:", ndev->dev_addr[i]); + printk(KERN_INFO "%2.2x, IRQ %d.\n", ndev->dev_addr[i], ndev->irq); + + platform_set_drvdata(pdev, ndev); + + return ret; + +out_unregister: + unregister_netdev(ndev); + +out_release: + /* net_dev free */ + if (ndev) + free_netdev(ndev); + +out: + return ret; +} + +static int sh_eth_drv_remove(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + + sh_mdio_release(ndev); + unregister_netdev(ndev); + flush_scheduled_work(); + + free_netdev(ndev); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver sh_eth_driver = { + .probe = sh_eth_drv_probe, + .remove = sh_eth_drv_remove, + .driver = { + .name = CARDNAME, + }, +}; + +static int __init sh_eth_init(void) +{ + return platform_driver_register(&sh_eth_driver); +} + +static void __exit sh_eth_cleanup(void) +{ + platform_driver_unregister(&sh_eth_driver); +} + +module_init(sh_eth_init); +module_exit(sh_eth_cleanup); + +MODULE_AUTHOR("Nobuhiro Iwamatsu, Yoshihiro Shimoda"); +MODULE_DESCRIPTION("Renesas SuperH Ethernet driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h new file mode 100644 index 000000000000..ca2db6bb3c61 --- /dev/null +++ b/drivers/net/sh_eth.h @@ -0,0 +1,464 @@ +/* + * SuperH Ethernet device driver + * + * Copyright (C) 2006-2008 Nobuhiro Iwamatsu + * Copyright (C) 2008 Renesas Solutions Corp. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + */ + +#ifndef __SH_ETH_H__ +#define __SH_ETH_H__ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <linux/netdevice.h> +#include <linux/phy.h> + +#define CARDNAME "sh-eth" +#define TX_TIMEOUT (5*HZ) + +#define TX_RING_SIZE 128 /* Tx ring size */ +#define RX_RING_SIZE 128 /* Rx ring size */ +#define RX_OFFSET 2 /* skb offset */ +#define ETHERSMALL 60 +#define PKT_BUF_SZ 1538 + +/* Chip Base Address */ +#define SH_ETH0_BASE 0xA7000000 +#define SH_ETH1_BASE 0xA7000400 +#define SH_TSU_ADDR 0xA7000804 + +/* Chip Registers */ +/* E-DMAC */ +#define EDMR 0x0000 +#define EDTRR 0x0004 +#define EDRRR 0x0008 +#define TDLAR 0x000C +#define RDLAR 0x0010 +#define EESR 0x0014 +#define EESIPR 0x0018 +#define TRSCER 0x001C +#define RMFCR 0x0020 +#define TFTR 0x0024 +#define FDR 0x0028 +#define RMCR 0x002C +#define EDOCR 0x0030 +#define FCFTR 0x0034 +#define RPADIR 0x0038 +#define TRIMD 0x003C +#define RBWAR 0x0040 +#define RDFAR 0x0044 +#define TBRAR 0x004C +#define TDFAR 0x0050 +/* Ether Register */ +#define ECMR 0x0160 +#define ECSR 0x0164 +#define ECSIPR 0x0168 +#define PIR 0x016C +#define MAHR 0x0170 +#define MALR 0x0174 +#define RFLR 0x0178 +#define PSR 0x017C +#define TROCR 0x0180 +#define CDCR 0x0184 +#define LCCR 0x0188 +#define CNDCR 0x018C +#define CEFCR 0x0194 +#define FRECR 0x0198 +#define TSFRCR 0x019C +#define TLFRCR 0x01A0 +#define RFCR 0x01A4 +#define MAFCR 0x01A8 +#define IPGR 0x01B4 +#if defined(CONFIG_CPU_SUBTYPE_SH7710) +#define APR 0x01B8 +#define MPR 0x01BC +#define TPAUSER 0x1C4 +#define BCFR 0x1CC +#endif /* CONFIG_CPU_SH7710 */ + +#define ARSTR 0x0800 + +/* TSU */ +#define TSU_CTRST 0x004 +#define TSU_FWEN0 0x010 +#define TSU_FWEN1 0x014 +#define TSU_FCM 0x018 +#define TSU_BSYSL0 0x020 +#define TSU_BSYSL1 0x024 +#define TSU_PRISL0 0x028 +#define TSU_PRISL1 0x02C +#define TSU_FWSL0 0x030 +#define TSU_FWSL1 0x034 +#define TSU_FWSLC 0x038 +#define TSU_QTAGM0 0x040 +#define TSU_QTAGM1 0x044 +#define TSU_ADQT0 0x048 +#define TSU_ADQT1 0x04C +#define TSU_FWSR 0x050 +#define TSU_FWINMK 0x054 +#define TSU_ADSBSY 0x060 +#define TSU_TEN 0x064 +#define TSU_POST1 0x070 +#define TSU_POST2 0x074 +#define TSU_POST3 0x078 +#define TSU_POST4 0x07C +#define TXNLCR0 0x080 +#define TXALCR0 0x084 +#define RXNLCR0 0x088 +#define RXALCR0 0x08C +#define FWNLCR0 0x090 +#define FWALCR0 0x094 +#define TXNLCR1 0x0A0 +#define TXALCR1 0x0A4 +#define RXNLCR1 0x0A8 +#define RXALCR1 0x0AC +#define FWNLCR1 0x0B0 +#define FWALCR1 0x0B4 + +#define TSU_ADRH0 0x0100 +#define TSU_ADRL0 0x0104 +#define TSU_ADRL31 0x01FC + +/* Register's bits */ + +/* EDMR */ +enum DMAC_M_BIT { + EDMR_DL1 = 0x20, EDMR_DL0 = 0x10, EDMR_SRST = 0x01, +}; + +/* EDTRR */ +enum DMAC_T_BIT { + EDTRR_TRNS = 0x01, +}; + +/* EDRRR*/ +enum EDRRR_R_BIT { + EDRRR_R = 0x01, +}; + +/* TPAUSER */ +enum TPAUSER_BIT { + TPAUSER_TPAUSE = 0x0000ffff, + TPAUSER_UNLIMITED = 0, +}; + +/* BCFR */ +enum BCFR_BIT { + BCFR_RPAUSE = 0x0000ffff, + BCFR_UNLIMITED = 0, +}; + +/* PIR */ +enum PIR_BIT { + PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01, +}; + +/* PSR */ +enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, }; + +/* EESR */ +enum EESR_BIT { + EESR_TWB = 0x40000000, EESR_TABT = 0x04000000, + EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000, + EESR_ADE = 0x00800000, EESR_ECI = 0x00400000, + EESR_FTC = 0x00200000, EESR_TDE = 0x00100000, + EESR_TFE = 0x00080000, EESR_FRC = 0x00040000, + EESR_RDE = 0x00020000, EESR_RFE = 0x00010000, + EESR_TINT4 = 0x00000800, EESR_TINT3 = 0x00000400, + EESR_TINT2 = 0x00000200, EESR_TINT1 = 0x00000100, + EESR_RINT8 = 0x00000080, EESR_RINT5 = 0x00000010, + EESR_RINT4 = 0x00000008, EESR_RINT3 = 0x00000004, + EESR_RINT2 = 0x00000002, EESR_RINT1 = 0x00000001, +}; + +#define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \ + | EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI) + +/* EESIPR */ +enum DMAC_IM_BIT { + DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000, + DMAC_M_RABT = 0x02000000, + DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000, + DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000, + DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000, + DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000, + DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800, + DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200, + DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080, + DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008, + DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002, + DMAC_M_RINT1 = 0x00000001, +}; + +/* Receive descriptor bit */ +enum RD_STS_BIT { + RD_RACT = 0x80000000, RC_RDEL = 0x40000000, + RC_RFP1 = 0x20000000, RC_RFP0 = 0x10000000, + RD_RFE = 0x08000000, RD_RFS10 = 0x00000200, + RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080, + RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020, + RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008, + RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002, + RD_RFS1 = 0x00000001, +}; +#define RDF1ST RC_RFP1 +#define RDFEND RC_RFP0 +#define RD_RFP (RC_RFP1|RC_RFP0) + +/* FCFTR */ +enum FCFTR_BIT { + FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000, + FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004, + FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001, +}; +#define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0) +#define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0) + +/* Transfer descriptor bit */ +enum TD_STS_BIT { + TD_TACT = 0x80000000, TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000, + TD_TFP0 = 0x10000000, +}; +#define TDF1ST TD_TFP1 +#define TDFEND TD_TFP0 +#define TD_TFP (TD_TFP1|TD_TFP0) + +/* RMCR */ +enum RECV_RST_BIT { RMCR_RST = 0x01, }; +/* ECMR */ +enum FELIC_MODE_BIT { + ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000, + ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000, + ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020, + ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002, + ECMR_PRM = 0x00000001, +}; + +/* ECSR */ +enum ECSR_STATUS_BIT { + ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10, ECSR_LCHNG = 0x04, + ECSR_MPD = 0x02, ECSR_ICD = 0x01, +}; + +/* ECSIPR */ +enum ECSIPR_STATUS_MASK_BIT { + ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10, ECSIPR_LCHNGIP = 0x04, + ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01, +}; + +/* APR */ +enum APR_BIT { + APR_AP = 0x00000001, +}; + +/* MPR */ +enum MPR_BIT { + MPR_MP = 0x00000001, +}; + +/* TRSCER */ +enum DESC_I_BIT { + DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200, + DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010, + DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002, + DESC_I_RINT1 = 0x0001, +}; + +/* RPADIR */ +enum RPADIR_BIT { + RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000, + RPADIR_PADR = 0x0003f, +}; + +/* FDR */ +enum FIFO_SIZE_BIT { + FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007, +}; +enum phy_offsets { + PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3, + PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6, + PHY_16 = 16, +}; + +/* PHY_CTRL */ +enum PHY_CTRL_BIT { + PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000, + PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400, + PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080, +}; +#define DM9161_PHY_C_ANEGEN 0 /* auto nego special */ + +/* PHY_STAT */ +enum PHY_STAT_BIT { + PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000, + PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020, + PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004, + PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001, +}; + +/* PHY_ANA */ +enum PHY_ANA_BIT { + PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000, + PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100, + PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020, + PHY_A_SEL = 0x001f, +}; +/* PHY_ANL */ +enum PHY_ANL_BIT { + PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000, + PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100, + PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020, + PHY_L_SEL = 0x001f, +}; + +/* PHY_ANE */ +enum PHY_ANE_BIT { + PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004, + PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001, +}; + +/* DM9161 */ +enum PHY_16_BIT { + PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000, + PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800, + PHY_16_TXselect = 0x0400, + PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100, + PHY_16_Force100LNK = 0x0080, + PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020, + PHY_16_RPDCTR_EN = 0x0010, + PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004, + PHY_16_Sleepmode = 0x0002, + PHY_16_RemoteLoopOut = 0x0001, +}; + +#define POST_RX 0x08 +#define POST_FW 0x04 +#define POST0_RX (POST_RX) +#define POST0_FW (POST_FW) +#define POST1_RX (POST_RX >> 2) +#define POST1_FW (POST_FW >> 2) +#define POST_ALL (POST0_RX | POST0_FW | POST1_RX | POST1_FW) + +/* ARSTR */ +enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, }; + +/* TSU_FWEN0 */ +enum TSU_FWEN0_BIT { + TSU_FWEN0_0 = 0x00000001, +}; + +/* TSU_ADSBSY */ +enum TSU_ADSBSY_BIT { + TSU_ADSBSY_0 = 0x00000001, +}; + +/* TSU_TEN */ +enum TSU_TEN_BIT { + TSU_TEN_0 = 0x80000000, +}; + +/* TSU_FWSL0 */ +enum TSU_FWSL0_BIT { + TSU_FWSL0_FW50 = 0x1000, TSU_FWSL0_FW40 = 0x0800, + TSU_FWSL0_FW30 = 0x0400, TSU_FWSL0_FW20 = 0x0200, + TSU_FWSL0_FW10 = 0x0100, TSU_FWSL0_RMSA0 = 0x0010, +}; + +/* TSU_FWSLC */ +enum TSU_FWSLC_BIT { + TSU_FWSLC_POSTENU = 0x2000, TSU_FWSLC_POSTENL = 0x1000, + TSU_FWSLC_CAMSEL03 = 0x0080, TSU_FWSLC_CAMSEL02 = 0x0040, + TSU_FWSLC_CAMSEL01 = 0x0020, TSU_FWSLC_CAMSEL00 = 0x0010, + TSU_FWSLC_CAMSEL13 = 0x0008, TSU_FWSLC_CAMSEL12 = 0x0004, + TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001, +}; + +/* + * The sh ether Tx buffer descriptors. + * This structure should be 20 bytes. + */ +struct sh_eth_txdesc { + u32 status; /* TD0 */ +#if defined(CONFIG_CPU_LITTLE_ENDIAN) + u16 pad0; /* TD1 */ + u16 buffer_length; /* TD1 */ +#else + u16 buffer_length; /* TD1 */ + u16 pad0; /* TD1 */ +#endif + u32 addr; /* TD2 */ + u32 pad1; /* padding data */ +}; + +/* + * The sh ether Rx buffer descriptors. + * This structure should be 20 bytes. + */ +struct sh_eth_rxdesc { + u32 status; /* RD0 */ +#if defined(CONFIG_CPU_LITTLE_ENDIAN) + u16 frame_length; /* RD1 */ + u16 buffer_length; /* RD1 */ +#else + u16 buffer_length; /* RD1 */ + u16 frame_length; /* RD1 */ +#endif + u32 addr; /* RD2 */ + u32 pad0; /* padding data */ +}; + +struct sh_eth_private { + dma_addr_t rx_desc_dma; + dma_addr_t tx_desc_dma; + struct sh_eth_rxdesc *rx_ring; + struct sh_eth_txdesc *tx_ring; + struct sk_buff **rx_skbuff; + struct sk_buff **tx_skbuff; + struct net_device_stats stats; + struct timer_list timer; + spinlock_t lock; + u32 cur_rx, dirty_rx; /* Producer/consumer ring indices */ + u32 cur_tx, dirty_tx; + u32 rx_buf_sz; /* Based on MTU+slack. */ + /* MII transceiver section. */ + u32 phy_id; /* PHY ID */ + struct mii_bus *mii_bus; /* MDIO bus control */ + struct phy_device *phydev; /* PHY device control */ + enum phy_state link; + int msg_enable; + int speed; + int duplex; + u32 rx_int_var, tx_int_var; /* interrupt control variables */ + char post_rx; /* POST receive */ + char post_fw; /* POST forward */ + struct net_device_stats tsu_stats; /* TSU forward status */ +}; + +static void swaps(char *src, int len) +{ +#ifdef __LITTLE_ENDIAN__ + u32 *p = (u32 *)src; + u32 *maxp; + maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32)); + + for (; p < maxp; p++) + *p = swab32(*p); +#endif +} diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 4e2800205189..fc605f276c00 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -106,56 +106,6 @@ MODULE_ALIAS("platform:smc911x"); */ #define POWER_DOWN 1 - -/* store this information for the driver.. */ -struct smc911x_local { - /* - * If I have to wait until the DMA is finished and ready to reload a - * packet, I will store the skbuff here. Then, the DMA will send it - * out and free it. - */ - struct sk_buff *pending_tx_skb; - - /* version/revision of the SMC911x chip */ - u16 version; - u16 revision; - - /* FIFO sizes */ - int tx_fifo_kb; - int tx_fifo_size; - int rx_fifo_size; - int afc_cfg; - - /* Contains the current active receive/phy mode */ - int ctl_rfduplx; - int ctl_rspeed; - - u32 msg_enable; - u32 phy_type; - struct mii_if_info mii; - - /* work queue */ - struct work_struct phy_configure; - int work_pending; - - int tx_throttle; - spinlock_t lock; - - struct net_device *netdev; - -#ifdef SMC_USE_DMA - /* DMA needs the physical address of the chip */ - u_long physaddr; - int rxdma; - int txdma; - int rxdma_active; - int txdma_active; - struct sk_buff *current_rx_skb; - struct sk_buff *current_tx_skb; - struct device *dev; -#endif -}; - #if SMC_DEBUG > 0 #define DBG(n, args...) \ do { \ @@ -203,24 +153,24 @@ static void PRINT_PKT(u_char *buf, int length) /* this enables an interrupt in the interrupt mask register */ -#define SMC_ENABLE_INT(x) do { \ +#define SMC_ENABLE_INT(lp, x) do { \ unsigned int __mask; \ unsigned long __flags; \ spin_lock_irqsave(&lp->lock, __flags); \ - __mask = SMC_GET_INT_EN(); \ + __mask = SMC_GET_INT_EN((lp)); \ __mask |= (x); \ - SMC_SET_INT_EN(__mask); \ + SMC_SET_INT_EN((lp), __mask); \ spin_unlock_irqrestore(&lp->lock, __flags); \ } while (0) /* this disables an interrupt from the interrupt mask register */ -#define SMC_DISABLE_INT(x) do { \ +#define SMC_DISABLE_INT(lp, x) do { \ unsigned int __mask; \ unsigned long __flags; \ spin_lock_irqsave(&lp->lock, __flags); \ - __mask = SMC_GET_INT_EN(); \ + __mask = SMC_GET_INT_EN((lp)); \ __mask &= ~(x); \ - SMC_SET_INT_EN(__mask); \ + SMC_SET_INT_EN((lp), __mask); \ spin_unlock_irqrestore(&lp->lock, __flags); \ } while (0) @@ -229,7 +179,6 @@ static void PRINT_PKT(u_char *buf, int length) */ static void smc911x_reset(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); unsigned int reg, timeout=0, resets=1; unsigned long flags; @@ -237,13 +186,13 @@ static void smc911x_reset(struct net_device *dev) DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); /* Take out of PM setting first */ - if ((SMC_GET_PMT_CTRL() & PMT_CTRL_READY_) == 0) { + if ((SMC_GET_PMT_CTRL(lp) & PMT_CTRL_READY_) == 0) { /* Write to the bytetest will take out of powerdown */ - SMC_SET_BYTE_TEST(0); + SMC_SET_BYTE_TEST(lp, 0); timeout=10; do { udelay(10); - reg = SMC_GET_PMT_CTRL() & PMT_CTRL_READY_; + reg = SMC_GET_PMT_CTRL(lp) & PMT_CTRL_READY_; } while (--timeout && !reg); if (timeout == 0) { PRINTK("%s: smc911x_reset timeout waiting for PM restore\n", dev->name); @@ -253,15 +202,15 @@ static void smc911x_reset(struct net_device *dev) /* Disable all interrupts */ spin_lock_irqsave(&lp->lock, flags); - SMC_SET_INT_EN(0); + SMC_SET_INT_EN(lp, 0); spin_unlock_irqrestore(&lp->lock, flags); while (resets--) { - SMC_SET_HW_CFG(HW_CFG_SRST_); + SMC_SET_HW_CFG(lp, HW_CFG_SRST_); timeout=10; do { udelay(10); - reg = SMC_GET_HW_CFG(); + reg = SMC_GET_HW_CFG(lp); /* If chip indicates reset timeout then try again */ if (reg & HW_CFG_SRST_TO_) { PRINTK("%s: chip reset timeout, retrying...\n", dev->name); @@ -277,7 +226,7 @@ static void smc911x_reset(struct net_device *dev) /* make sure EEPROM has finished loading before setting GPIO_CFG */ timeout=1000; - while ( timeout-- && (SMC_GET_E2P_CMD() & E2P_CMD_EPC_BUSY_)) { + while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) { udelay(10); } if (timeout == 0){ @@ -286,24 +235,24 @@ static void smc911x_reset(struct net_device *dev) } /* Initialize interrupts */ - SMC_SET_INT_EN(0); - SMC_ACK_INT(-1); + SMC_SET_INT_EN(lp, 0); + SMC_ACK_INT(lp, -1); /* Reset the FIFO level and flow control settings */ - SMC_SET_HW_CFG((lp->tx_fifo_kb & 0xF) << 16); + SMC_SET_HW_CFG(lp, (lp->tx_fifo_kb & 0xF) << 16); //TODO: Figure out what appropriate pause time is - SMC_SET_FLOW(FLOW_FCPT_ | FLOW_FCEN_); - SMC_SET_AFC_CFG(lp->afc_cfg); + SMC_SET_FLOW(lp, FLOW_FCPT_ | FLOW_FCEN_); + SMC_SET_AFC_CFG(lp, lp->afc_cfg); /* Set to LED outputs */ - SMC_SET_GPIO_CFG(0x70070000); + SMC_SET_GPIO_CFG(lp, 0x70070000); /* * Deassert IRQ for 1*10us for edge type interrupts * and drive IRQ pin push-pull */ - SMC_SET_IRQ_CFG( (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_ ); + SMC_SET_IRQ_CFG(lp, (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_); /* clear anything saved */ if (lp->pending_tx_skb != NULL) { @@ -319,46 +268,45 @@ static void smc911x_reset(struct net_device *dev) */ static void smc911x_enable(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); unsigned mask, cfg, cr; unsigned long flags; DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); - SMC_SET_MAC_ADDR(dev->dev_addr); + SMC_SET_MAC_ADDR(lp, dev->dev_addr); /* Enable TX */ - cfg = SMC_GET_HW_CFG(); + cfg = SMC_GET_HW_CFG(lp); cfg &= HW_CFG_TX_FIF_SZ_ | 0xFFF; cfg |= HW_CFG_SF_; - SMC_SET_HW_CFG(cfg); - SMC_SET_FIFO_TDA(0xFF); + SMC_SET_HW_CFG(lp, cfg); + SMC_SET_FIFO_TDA(lp, 0xFF); /* Update TX stats on every 64 packets received or every 1 sec */ - SMC_SET_FIFO_TSL(64); - SMC_SET_GPT_CFG(GPT_CFG_TIMER_EN_ | 10000); + SMC_SET_FIFO_TSL(lp, 64); + SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000); spin_lock_irqsave(&lp->lock, flags); - SMC_GET_MAC_CR(cr); + SMC_GET_MAC_CR(lp, cr); cr |= MAC_CR_TXEN_ | MAC_CR_HBDIS_; - SMC_SET_MAC_CR(cr); - SMC_SET_TX_CFG(TX_CFG_TX_ON_); + SMC_SET_MAC_CR(lp, cr); + SMC_SET_TX_CFG(lp, TX_CFG_TX_ON_); spin_unlock_irqrestore(&lp->lock, flags); /* Add 2 byte padding to start of packets */ - SMC_SET_RX_CFG((2<<8) & RX_CFG_RXDOFF_); + SMC_SET_RX_CFG(lp, (2<<8) & RX_CFG_RXDOFF_); /* Turn on receiver and enable RX */ if (cr & MAC_CR_RXEN_) DBG(SMC_DEBUG_RX, "%s: Receiver already enabled\n", dev->name); spin_lock_irqsave(&lp->lock, flags); - SMC_SET_MAC_CR( cr | MAC_CR_RXEN_ ); + SMC_SET_MAC_CR(lp, cr | MAC_CR_RXEN_); spin_unlock_irqrestore(&lp->lock, flags); /* Interrupt on every received packet */ - SMC_SET_FIFO_RSA(0x01); - SMC_SET_FIFO_RSL(0x00); + SMC_SET_FIFO_RSA(lp, 0x01); + SMC_SET_FIFO_RSL(lp, 0x00); /* now, enable interrupts */ mask = INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_ | INT_EN_RSFL_EN_ | @@ -369,7 +317,7 @@ static void smc911x_enable(struct net_device *dev) else { mask|=INT_EN_RDFO_EN_; } - SMC_ENABLE_INT(mask); + SMC_ENABLE_INT(lp, mask); } /* @@ -377,7 +325,6 @@ static void smc911x_enable(struct net_device *dev) */ static void smc911x_shutdown(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); unsigned cr; unsigned long flags; @@ -385,35 +332,35 @@ static void smc911x_shutdown(struct net_device *dev) DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", CARDNAME, __FUNCTION__); /* Disable IRQ's */ - SMC_SET_INT_EN(0); + SMC_SET_INT_EN(lp, 0); /* Turn of Rx and TX */ spin_lock_irqsave(&lp->lock, flags); - SMC_GET_MAC_CR(cr); + SMC_GET_MAC_CR(lp, cr); cr &= ~(MAC_CR_TXEN_ | MAC_CR_RXEN_ | MAC_CR_HBDIS_); - SMC_SET_MAC_CR(cr); - SMC_SET_TX_CFG(TX_CFG_STOP_TX_); + SMC_SET_MAC_CR(lp, cr); + SMC_SET_TX_CFG(lp, TX_CFG_STOP_TX_); spin_unlock_irqrestore(&lp->lock, flags); } static inline void smc911x_drop_pkt(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); unsigned int fifo_count, timeout, reg; DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, "%s: --> %s\n", CARDNAME, __FUNCTION__); - fifo_count = SMC_GET_RX_FIFO_INF() & 0xFFFF; + fifo_count = SMC_GET_RX_FIFO_INF(lp) & 0xFFFF; if (fifo_count <= 4) { /* Manually dump the packet data */ while (fifo_count--) - SMC_GET_RX_FIFO(); + SMC_GET_RX_FIFO(lp); } else { /* Fast forward through the bad packet */ - SMC_SET_RX_DP_CTRL(RX_DP_CTRL_FFWD_BUSY_); + SMC_SET_RX_DP_CTRL(lp, RX_DP_CTRL_FFWD_BUSY_); timeout=50; do { udelay(10); - reg = SMC_GET_RX_DP_CTRL() & RX_DP_CTRL_FFWD_BUSY_; + reg = SMC_GET_RX_DP_CTRL(lp) & RX_DP_CTRL_FFWD_BUSY_; } while (--timeout && reg); if (timeout == 0) { PRINTK("%s: timeout waiting for RX fast forward\n", dev->name); @@ -429,14 +376,14 @@ static inline void smc911x_drop_pkt(struct net_device *dev) */ static inline void smc911x_rcv(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); unsigned int pkt_len, status; struct sk_buff *skb; unsigned char *data; DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, "%s: --> %s\n", dev->name, __FUNCTION__); - status = SMC_GET_RX_STS_FIFO(); + status = SMC_GET_RX_STS_FIFO(lp); DBG(SMC_DEBUG_RX, "%s: Rx pkt len %d status 0x%08x \n", dev->name, (status & 0x3fff0000) >> 16, status & 0xc000ffff); pkt_len = (status & RX_STS_PKT_LEN_) >> 16; @@ -473,24 +420,23 @@ static inline void smc911x_rcv(struct net_device *dev) skb_put(skb,pkt_len-4); #ifdef SMC_USE_DMA { - struct smc911x_local *lp = netdev_priv(dev); unsigned int fifo; /* Lower the FIFO threshold if possible */ - fifo = SMC_GET_FIFO_INT(); + fifo = SMC_GET_FIFO_INT(lp); if (fifo & 0xFF) fifo--; DBG(SMC_DEBUG_RX, "%s: Setting RX stat FIFO threshold to %d\n", dev->name, fifo & 0xff); - SMC_SET_FIFO_INT(fifo); + SMC_SET_FIFO_INT(lp, fifo); /* Setup RX DMA */ - SMC_SET_RX_CFG(RX_CFG_RX_END_ALGN16_ | ((2<<8) & RX_CFG_RXDOFF_)); + SMC_SET_RX_CFG(lp, RX_CFG_RX_END_ALGN16_ | ((2<<8) & RX_CFG_RXDOFF_)); lp->rxdma_active = 1; lp->current_rx_skb = skb; - SMC_PULL_DATA(data, (pkt_len+2+15) & ~15); + SMC_PULL_DATA(lp, data, (pkt_len+2+15) & ~15); /* Packet processing deferred to DMA RX interrupt */ } #else - SMC_SET_RX_CFG(RX_CFG_RX_END_ALGN4_ | ((2<<8) & RX_CFG_RXDOFF_)); - SMC_PULL_DATA(data, pkt_len+2+3); + SMC_SET_RX_CFG(lp, RX_CFG_RX_END_ALGN4_ | ((2<<8) & RX_CFG_RXDOFF_)); + SMC_PULL_DATA(lp, data, pkt_len+2+3); DBG(SMC_DEBUG_PKTS, "%s: Received packet\n", dev->name); PRINT_PKT(data, ((pkt_len - 4) <= 64) ? pkt_len - 4 : 64); @@ -509,7 +455,6 @@ static inline void smc911x_rcv(struct net_device *dev) static void smc911x_hardware_send_pkt(struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; struct sk_buff *skb; unsigned int cmdA, cmdB, len; unsigned char *buf; @@ -542,8 +487,8 @@ static void smc911x_hardware_send_pkt(struct net_device *dev) DBG(SMC_DEBUG_TX, "%s: TX PKT LENGTH 0x%04x (%d) BUF 0x%p CMDA 0x%08x CMDB 0x%08x\n", dev->name, len, len, buf, cmdA, cmdB); - SMC_SET_TX_FIFO(cmdA); - SMC_SET_TX_FIFO(cmdB); + SMC_SET_TX_FIFO(lp, cmdA); + SMC_SET_TX_FIFO(lp, cmdB); DBG(SMC_DEBUG_PKTS, "%s: Transmitted packet\n", dev->name); PRINT_PKT(buf, len <= 64 ? len : 64); @@ -551,10 +496,10 @@ static void smc911x_hardware_send_pkt(struct net_device *dev) /* Send pkt via PIO or DMA */ #ifdef SMC_USE_DMA lp->current_tx_skb = skb; - SMC_PUSH_DATA(buf, len); + SMC_PUSH_DATA(lp, buf, len); /* DMA complete IRQ will free buffer and set jiffies */ #else - SMC_PUSH_DATA(buf, len); + SMC_PUSH_DATA(lp, buf, len); dev->trans_start = jiffies; dev_kfree_skb(skb); #endif @@ -563,7 +508,7 @@ static void smc911x_hardware_send_pkt(struct net_device *dev) netif_wake_queue(dev); } spin_unlock_irqrestore(&lp->lock, flags); - SMC_ENABLE_INT(INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_); + SMC_ENABLE_INT(lp, INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_); } /* @@ -575,7 +520,6 @@ static void smc911x_hardware_send_pkt(struct net_device *dev) static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; unsigned int free; unsigned long flags; @@ -584,7 +528,7 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) BUG_ON(lp->pending_tx_skb != NULL); - free = SMC_GET_TX_FIFO_INF() & TX_FIFO_INF_TDFREE_; + free = SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TDFREE_; DBG(SMC_DEBUG_TX, "%s: TX free space %d\n", dev->name, free); /* Turn off the flow when running out of space in FIFO */ @@ -593,7 +537,7 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) dev->name, free); spin_lock_irqsave(&lp->lock, flags); /* Reenable when at least 1 packet of size MTU present */ - SMC_SET_FIFO_TDA((SMC911X_TX_FIFO_LOW_THRESHOLD)/64); + SMC_SET_FIFO_TDA(lp, (SMC911X_TX_FIFO_LOW_THRESHOLD)/64); lp->tx_throttle = 1; netif_stop_queue(dev); spin_unlock_irqrestore(&lp->lock, flags); @@ -648,7 +592,6 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) */ static void smc911x_tx(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); unsigned int tx_status; @@ -656,11 +599,11 @@ static void smc911x_tx(struct net_device *dev) dev->name, __FUNCTION__); /* Collect the TX status */ - while (((SMC_GET_TX_FIFO_INF() & TX_FIFO_INF_TSUSED_) >> 16) != 0) { + while (((SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TSUSED_) >> 16) != 0) { DBG(SMC_DEBUG_TX, "%s: Tx stat FIFO used 0x%04x\n", dev->name, - (SMC_GET_TX_FIFO_INF() & TX_FIFO_INF_TSUSED_) >> 16); - tx_status = SMC_GET_TX_STS_FIFO(); + (SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TSUSED_) >> 16); + tx_status = SMC_GET_TX_STS_FIFO(lp); dev->stats.tx_packets++; dev->stats.tx_bytes+=tx_status>>16; DBG(SMC_DEBUG_TX, "%s: Tx FIFO tag 0x%04x status 0x%04x\n", @@ -698,10 +641,10 @@ static void smc911x_tx(struct net_device *dev) static int smc911x_phy_read(struct net_device *dev, int phyaddr, int phyreg) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); unsigned int phydata; - SMC_GET_MII(phyreg, phyaddr, phydata); + SMC_GET_MII(lp, phyreg, phyaddr, phydata); DBG(SMC_DEBUG_MISC, "%s: phyaddr=0x%x, phyreg=0x%02x, phydata=0x%04x\n", __FUNCTION__, phyaddr, phyreg, phydata); @@ -715,12 +658,12 @@ static int smc911x_phy_read(struct net_device *dev, int phyaddr, int phyreg) static void smc911x_phy_write(struct net_device *dev, int phyaddr, int phyreg, int phydata) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); DBG(SMC_DEBUG_MISC, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n", __FUNCTION__, phyaddr, phyreg, phydata); - SMC_SET_MII(phyreg, phyaddr, phydata); + SMC_SET_MII(lp, phyreg, phyaddr, phydata); } /* @@ -729,7 +672,6 @@ static void smc911x_phy_write(struct net_device *dev, int phyaddr, int phyreg, */ static void smc911x_phy_detect(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); int phyaddr; unsigned int cfg, id1, id2; @@ -745,30 +687,30 @@ static void smc911x_phy_detect(struct net_device *dev) switch(lp->version) { case 0x115: case 0x117: - cfg = SMC_GET_HW_CFG(); + cfg = SMC_GET_HW_CFG(lp); if (cfg & HW_CFG_EXT_PHY_DET_) { cfg &= ~HW_CFG_PHY_CLK_SEL_; cfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_; - SMC_SET_HW_CFG(cfg); + SMC_SET_HW_CFG(lp, cfg); udelay(10); /* Wait for clocks to stop */ cfg |= HW_CFG_EXT_PHY_EN_; - SMC_SET_HW_CFG(cfg); + SMC_SET_HW_CFG(lp, cfg); udelay(10); /* Wait for clocks to stop */ cfg &= ~HW_CFG_PHY_CLK_SEL_; cfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_; - SMC_SET_HW_CFG(cfg); + SMC_SET_HW_CFG(lp, cfg); udelay(10); /* Wait for clocks to stop */ cfg |= HW_CFG_SMI_SEL_; - SMC_SET_HW_CFG(cfg); + SMC_SET_HW_CFG(lp, cfg); for (phyaddr = 1; phyaddr < 32; ++phyaddr) { /* Read the PHY identifiers */ - SMC_GET_PHY_ID1(phyaddr & 31, id1); - SMC_GET_PHY_ID2(phyaddr & 31, id2); + SMC_GET_PHY_ID1(lp, phyaddr & 31, id1); + SMC_GET_PHY_ID2(lp, phyaddr & 31, id2); /* Make sure it is a valid identifier */ if (id1 != 0x0000 && id1 != 0xffff && @@ -783,8 +725,8 @@ static void smc911x_phy_detect(struct net_device *dev) } default: /* Internal media only */ - SMC_GET_PHY_ID1(1, id1); - SMC_GET_PHY_ID2(1, id2); + SMC_GET_PHY_ID1(lp, 1, id1); + SMC_GET_PHY_ID2(lp, 1, id2); /* Save the PHY's address */ lp->mii.phy_id = 1; lp->phy_type = id1 << 16 | id2; @@ -801,16 +743,15 @@ static void smc911x_phy_detect(struct net_device *dev) static int smc911x_phy_fixed(struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; int phyaddr = lp->mii.phy_id; int bmcr; DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); /* Enter Link Disable state */ - SMC_GET_PHY_BMCR(phyaddr, bmcr); + SMC_GET_PHY_BMCR(lp, phyaddr, bmcr); bmcr |= BMCR_PDOWN; - SMC_SET_PHY_BMCR(phyaddr, bmcr); + SMC_SET_PHY_BMCR(lp, phyaddr, bmcr); /* * Set our fixed capabilities @@ -824,11 +765,11 @@ static int smc911x_phy_fixed(struct net_device *dev) bmcr |= BMCR_SPEED100; /* Write our capabilities to the phy control register */ - SMC_SET_PHY_BMCR(phyaddr, bmcr); + SMC_SET_PHY_BMCR(lp, phyaddr, bmcr); /* Re-Configure the Receive/Phy Control register */ bmcr &= ~BMCR_PDOWN; - SMC_SET_PHY_BMCR(phyaddr, bmcr); + SMC_SET_PHY_BMCR(lp, phyaddr, bmcr); return 1; } @@ -848,7 +789,6 @@ static int smc911x_phy_fixed(struct net_device *dev) static int smc911x_phy_reset(struct net_device *dev, int phy) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; int timeout; unsigned long flags; unsigned int reg; @@ -856,15 +796,15 @@ static int smc911x_phy_reset(struct net_device *dev, int phy) DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __FUNCTION__); spin_lock_irqsave(&lp->lock, flags); - reg = SMC_GET_PMT_CTRL(); + reg = SMC_GET_PMT_CTRL(lp); reg &= ~0xfffff030; reg |= PMT_CTRL_PHY_RST_; - SMC_SET_PMT_CTRL(reg); + SMC_SET_PMT_CTRL(lp, reg); spin_unlock_irqrestore(&lp->lock, flags); for (timeout = 2; timeout; timeout--) { msleep(50); spin_lock_irqsave(&lp->lock, flags); - reg = SMC_GET_PMT_CTRL(); + reg = SMC_GET_PMT_CTRL(lp); spin_unlock_irqrestore(&lp->lock, flags); if (!(reg & PMT_CTRL_PHY_RST_)) { /* extra delay required because the phy may @@ -889,13 +829,13 @@ static int smc911x_phy_reset(struct net_device *dev, int phy) */ static void smc911x_phy_powerdown(struct net_device *dev, int phy) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); unsigned int bmcr; /* Enter Link Disable state */ - SMC_GET_PHY_BMCR(phy, bmcr); + SMC_GET_PHY_BMCR(lp, phy, bmcr); bmcr |= BMCR_PDOWN; - SMC_SET_PHY_BMCR(phy, bmcr); + SMC_SET_PHY_BMCR(lp, phy, bmcr); } /* @@ -909,7 +849,6 @@ static void smc911x_phy_powerdown(struct net_device *dev, int phy) static void smc911x_phy_check_media(struct net_device *dev, int init) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; int phyaddr = lp->mii.phy_id; unsigned int bmcr, cr; @@ -917,8 +856,8 @@ static void smc911x_phy_check_media(struct net_device *dev, int init) if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) { /* duplex state has changed */ - SMC_GET_PHY_BMCR(phyaddr, bmcr); - SMC_GET_MAC_CR(cr); + SMC_GET_PHY_BMCR(lp, phyaddr, bmcr); + SMC_GET_MAC_CR(lp, cr); if (lp->mii.full_duplex) { DBG(SMC_DEBUG_MISC, "%s: Configuring for full-duplex mode\n", dev->name); bmcr |= BMCR_FULLDPLX; @@ -928,8 +867,8 @@ static void smc911x_phy_check_media(struct net_device *dev, int init) bmcr &= ~BMCR_FULLDPLX; cr &= ~MAC_CR_RCVOWN_; } - SMC_SET_PHY_BMCR(phyaddr, bmcr); - SMC_SET_MAC_CR(cr); + SMC_SET_PHY_BMCR(lp, phyaddr, bmcr); + SMC_SET_MAC_CR(lp, cr); } } @@ -947,7 +886,6 @@ static void smc911x_phy_configure(struct work_struct *work) struct smc911x_local *lp = container_of(work, struct smc911x_local, phy_configure); struct net_device *dev = lp->netdev; - unsigned long ioaddr = dev->base_addr; int phyaddr = lp->mii.phy_id; int my_phy_caps; /* My PHY capabilities */ int my_ad_caps; /* My Advertised capabilities */ @@ -972,7 +910,7 @@ static void smc911x_phy_configure(struct work_struct *work) * Enable PHY Interrupts (for register 18) * Interrupts listed here are enabled */ - SMC_SET_PHY_INT_MASK(phyaddr, PHY_INT_MASK_ENERGY_ON_ | + SMC_SET_PHY_INT_MASK(lp, phyaddr, PHY_INT_MASK_ENERGY_ON_ | PHY_INT_MASK_ANEG_COMP_ | PHY_INT_MASK_REMOTE_FAULT_ | PHY_INT_MASK_LINK_DOWN_); @@ -983,7 +921,7 @@ static void smc911x_phy_configure(struct work_struct *work) } /* Copy our capabilities from MII_BMSR to MII_ADVERTISE */ - SMC_GET_PHY_BMSR(phyaddr, my_phy_caps); + SMC_GET_PHY_BMSR(lp, phyaddr, my_phy_caps); if (!(my_phy_caps & BMSR_ANEGCAPABLE)) { printk(KERN_INFO "Auto negotiation NOT supported\n"); smc911x_phy_fixed(dev); @@ -1012,7 +950,7 @@ static void smc911x_phy_configure(struct work_struct *work) my_ad_caps &= ~(ADVERTISE_100FULL|ADVERTISE_10FULL); /* Update our Auto-Neg Advertisement Register */ - SMC_SET_PHY_MII_ADV(phyaddr, my_ad_caps); + SMC_SET_PHY_MII_ADV(lp, phyaddr, my_ad_caps); lp->mii.advertising = my_ad_caps; /* @@ -1021,13 +959,13 @@ static void smc911x_phy_configure(struct work_struct *work) * the link does not come up. */ udelay(10); - SMC_GET_PHY_MII_ADV(phyaddr, status); + SMC_GET_PHY_MII_ADV(lp, phyaddr, status); DBG(SMC_DEBUG_MISC, "%s: phy caps=0x%04x\n", dev->name, my_phy_caps); DBG(SMC_DEBUG_MISC, "%s: phy advertised caps=0x%04x\n", dev->name, my_ad_caps); /* Restart auto-negotiation process in order to advertise my caps */ - SMC_SET_PHY_BMCR(phyaddr, BMCR_ANENABLE | BMCR_ANRESTART); + SMC_SET_PHY_BMCR(lp, phyaddr, BMCR_ANENABLE | BMCR_ANRESTART); smc911x_phy_check_media(dev, 1); @@ -1046,7 +984,6 @@ smc911x_phy_configure_exit_nolock: static void smc911x_phy_interrupt(struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; int phyaddr = lp->mii.phy_id; int status; @@ -1057,11 +994,11 @@ static void smc911x_phy_interrupt(struct net_device *dev) smc911x_phy_check_media(dev, 0); /* read to clear status bits */ - SMC_GET_PHY_INT_SRC(phyaddr,status); + SMC_GET_PHY_INT_SRC(lp, phyaddr,status); DBG(SMC_DEBUG_MISC, "%s: PHY interrupt status 0x%04x\n", dev->name, status & 0xffff); DBG(SMC_DEBUG_MISC, "%s: AFC_CFG 0x%08x\n", - dev->name, SMC_GET_AFC_CFG()); + dev->name, SMC_GET_AFC_CFG(lp)); } /*--- END PHY CONTROL AND CONFIGURATION-------------------------------------*/ @@ -1073,7 +1010,6 @@ static void smc911x_phy_interrupt(struct net_device *dev) static irqreturn_t smc911x_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); unsigned int status, mask, timeout; unsigned int rx_overrun=0, cr, pkts; @@ -1084,21 +1020,21 @@ static irqreturn_t smc911x_interrupt(int irq, void *dev_id) spin_lock_irqsave(&lp->lock, flags); /* Spurious interrupt check */ - if ((SMC_GET_IRQ_CFG() & (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) != + if ((SMC_GET_IRQ_CFG(lp) & (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) != (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) { spin_unlock_irqrestore(&lp->lock, flags); return IRQ_NONE; } - mask = SMC_GET_INT_EN(); - SMC_SET_INT_EN(0); + mask = SMC_GET_INT_EN(lp); + SMC_SET_INT_EN(lp, 0); /* set a timeout value, so I don't stay here forever */ timeout = 8; do { - status = SMC_GET_INT(); + status = SMC_GET_INT(lp); DBG(SMC_DEBUG_MISC, "%s: INT 0x%08x MASK 0x%08x OUTSIDE MASK 0x%08x\n", dev->name, status, mask, status & ~mask); @@ -1109,53 +1045,53 @@ static irqreturn_t smc911x_interrupt(int irq, void *dev_id) /* Handle SW interrupt condition */ if (status & INT_STS_SW_INT_) { - SMC_ACK_INT(INT_STS_SW_INT_); + SMC_ACK_INT(lp, INT_STS_SW_INT_); mask &= ~INT_EN_SW_INT_EN_; } /* Handle various error conditions */ if (status & INT_STS_RXE_) { - SMC_ACK_INT(INT_STS_RXE_); + SMC_ACK_INT(lp, INT_STS_RXE_); dev->stats.rx_errors++; } if (status & INT_STS_RXDFH_INT_) { - SMC_ACK_INT(INT_STS_RXDFH_INT_); - dev->stats.rx_dropped+=SMC_GET_RX_DROP(); + SMC_ACK_INT(lp, INT_STS_RXDFH_INT_); + dev->stats.rx_dropped+=SMC_GET_RX_DROP(lp); } /* Undocumented interrupt-what is the right thing to do here? */ if (status & INT_STS_RXDF_INT_) { - SMC_ACK_INT(INT_STS_RXDF_INT_); + SMC_ACK_INT(lp, INT_STS_RXDF_INT_); } /* Rx Data FIFO exceeds set level */ if (status & INT_STS_RDFL_) { if (IS_REV_A(lp->revision)) { rx_overrun=1; - SMC_GET_MAC_CR(cr); + SMC_GET_MAC_CR(lp, cr); cr &= ~MAC_CR_RXEN_; - SMC_SET_MAC_CR(cr); + SMC_SET_MAC_CR(lp, cr); DBG(SMC_DEBUG_RX, "%s: RX overrun\n", dev->name); dev->stats.rx_errors++; dev->stats.rx_fifo_errors++; } - SMC_ACK_INT(INT_STS_RDFL_); + SMC_ACK_INT(lp, INT_STS_RDFL_); } if (status & INT_STS_RDFO_) { if (!IS_REV_A(lp->revision)) { - SMC_GET_MAC_CR(cr); + SMC_GET_MAC_CR(lp, cr); cr &= ~MAC_CR_RXEN_; - SMC_SET_MAC_CR(cr); + SMC_SET_MAC_CR(lp, cr); rx_overrun=1; DBG(SMC_DEBUG_RX, "%s: RX overrun\n", dev->name); dev->stats.rx_errors++; dev->stats.rx_fifo_errors++; } - SMC_ACK_INT(INT_STS_RDFO_); + SMC_ACK_INT(lp, INT_STS_RDFO_); } /* Handle receive condition */ if ((status & INT_STS_RSFL_) || rx_overrun) { unsigned int fifo; DBG(SMC_DEBUG_RX, "%s: RX irq\n", dev->name); - fifo = SMC_GET_RX_FIFO_INF(); + fifo = SMC_GET_RX_FIFO_INF(lp); pkts = (fifo & RX_FIFO_INF_RXSUSED_) >> 16; DBG(SMC_DEBUG_RX, "%s: Rx FIFO pkts %d, bytes %d\n", dev->name, pkts, fifo & 0xFFFF ); @@ -1166,61 +1102,61 @@ static irqreturn_t smc911x_interrupt(int irq, void *dev_id) DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, "%s: RX DMA active\n", dev->name); /* The DMA is already running so up the IRQ threshold */ - fifo = SMC_GET_FIFO_INT() & ~0xFF; + fifo = SMC_GET_FIFO_INT(lp) & ~0xFF; fifo |= pkts & 0xFF; DBG(SMC_DEBUG_RX, "%s: Setting RX stat FIFO threshold to %d\n", dev->name, fifo & 0xff); - SMC_SET_FIFO_INT(fifo); + SMC_SET_FIFO_INT(lp, fifo); } else #endif smc911x_rcv(dev); } - SMC_ACK_INT(INT_STS_RSFL_); + SMC_ACK_INT(lp, INT_STS_RSFL_); } /* Handle transmit FIFO available */ if (status & INT_STS_TDFA_) { DBG(SMC_DEBUG_TX, "%s: TX data FIFO space available irq\n", dev->name); - SMC_SET_FIFO_TDA(0xFF); + SMC_SET_FIFO_TDA(lp, 0xFF); lp->tx_throttle = 0; #ifdef SMC_USE_DMA if (!lp->txdma_active) #endif netif_wake_queue(dev); - SMC_ACK_INT(INT_STS_TDFA_); + SMC_ACK_INT(lp, INT_STS_TDFA_); } /* Handle transmit done condition */ #if 1 if (status & (INT_STS_TSFL_ | INT_STS_GPT_INT_)) { DBG(SMC_DEBUG_TX | SMC_DEBUG_MISC, "%s: Tx stat FIFO limit (%d) /GPT irq\n", - dev->name, (SMC_GET_FIFO_INT() & 0x00ff0000) >> 16); + dev->name, (SMC_GET_FIFO_INT(lp) & 0x00ff0000) >> 16); smc911x_tx(dev); - SMC_SET_GPT_CFG(GPT_CFG_TIMER_EN_ | 10000); - SMC_ACK_INT(INT_STS_TSFL_); - SMC_ACK_INT(INT_STS_TSFL_ | INT_STS_GPT_INT_); + SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000); + SMC_ACK_INT(lp, INT_STS_TSFL_); + SMC_ACK_INT(lp, INT_STS_TSFL_ | INT_STS_GPT_INT_); } #else if (status & INT_STS_TSFL_) { DBG(SMC_DEBUG_TX, "%s: TX status FIFO limit (%d) irq \n", dev->name, ); smc911x_tx(dev); - SMC_ACK_INT(INT_STS_TSFL_); + SMC_ACK_INT(lp, INT_STS_TSFL_); } if (status & INT_STS_GPT_INT_) { DBG(SMC_DEBUG_RX, "%s: IRQ_CFG 0x%08x FIFO_INT 0x%08x RX_CFG 0x%08x\n", dev->name, - SMC_GET_IRQ_CFG(), - SMC_GET_FIFO_INT(), - SMC_GET_RX_CFG()); + SMC_GET_IRQ_CFG(lp), + SMC_GET_FIFO_INT(lp), + SMC_GET_RX_CFG(lp)); DBG(SMC_DEBUG_RX, "%s: Rx Stat FIFO Used 0x%02x " "Data FIFO Used 0x%04x Stat FIFO 0x%08x\n", dev->name, - (SMC_GET_RX_FIFO_INF() & 0x00ff0000) >> 16, - SMC_GET_RX_FIFO_INF() & 0xffff, - SMC_GET_RX_STS_FIFO_PEEK()); - SMC_SET_GPT_CFG(GPT_CFG_TIMER_EN_ | 10000); - SMC_ACK_INT(INT_STS_GPT_INT_); + (SMC_GET_RX_FIFO_INF(lp) & 0x00ff0000) >> 16, + SMC_GET_RX_FIFO_INF(lp) & 0xffff, + SMC_GET_RX_STS_FIFO_PEEK(lp)); + SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000); + SMC_ACK_INT(lp, INT_STS_GPT_INT_); } #endif @@ -1228,12 +1164,12 @@ static irqreturn_t smc911x_interrupt(int irq, void *dev_id) if (status & INT_STS_PHY_INT_) { DBG(SMC_DEBUG_MISC, "%s: PHY irq\n", dev->name); smc911x_phy_interrupt(dev); - SMC_ACK_INT(INT_STS_PHY_INT_); + SMC_ACK_INT(lp, INT_STS_PHY_INT_); } } while (--timeout); /* restore mask state */ - SMC_SET_INT_EN(mask); + SMC_SET_INT_EN(lp, mask); DBG(SMC_DEBUG_MISC, "%s: Interrupt done (%d loops)\n", dev->name, 8-timeout); @@ -1335,22 +1271,21 @@ static void smc911x_poll_controller(struct net_device *dev) static void smc911x_timeout(struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; int status, mask; unsigned long flags; DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); spin_lock_irqsave(&lp->lock, flags); - status = SMC_GET_INT(); - mask = SMC_GET_INT_EN(); + status = SMC_GET_INT(lp); + mask = SMC_GET_INT_EN(lp); spin_unlock_irqrestore(&lp->lock, flags); DBG(SMC_DEBUG_MISC, "%s: INT 0x%02x MASK 0x%02x \n", dev->name, status, mask); /* Dump the current TX FIFO contents and restart */ - mask = SMC_GET_TX_CFG(); - SMC_SET_TX_CFG(mask | TX_CFG_TXS_DUMP_ | TX_CFG_TXD_DUMP_); + mask = SMC_GET_TX_CFG(lp); + SMC_SET_TX_CFG(lp, mask | TX_CFG_TXS_DUMP_ | TX_CFG_TXD_DUMP_); /* * Reconfiguring the PHY doesn't seem like a bad idea here, but * smc911x_phy_configure() calls msleep() which calls schedule_timeout() @@ -1376,7 +1311,6 @@ static void smc911x_timeout(struct net_device *dev) static void smc911x_set_multicast_list(struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; unsigned int multicast_table[2]; unsigned int mcr, update_multicast = 0; unsigned long flags; @@ -1384,7 +1318,7 @@ static void smc911x_set_multicast_list(struct net_device *dev) DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); spin_lock_irqsave(&lp->lock, flags); - SMC_GET_MAC_CR(mcr); + SMC_GET_MAC_CR(lp, mcr); spin_unlock_irqrestore(&lp->lock, flags); if (dev->flags & IFF_PROMISC) { @@ -1461,13 +1395,13 @@ static void smc911x_set_multicast_list(struct net_device *dev) } spin_lock_irqsave(&lp->lock, flags); - SMC_SET_MAC_CR(mcr); + SMC_SET_MAC_CR(lp, mcr); if (update_multicast) { DBG(SMC_DEBUG_MISC, "%s: update mcast hash table 0x%08x 0x%08x\n", dev->name, multicast_table[0], multicast_table[1]); - SMC_SET_HASHL(multicast_table[0]); - SMC_SET_HASHH(multicast_table[1]); + SMC_SET_HASHL(lp, multicast_table[0]); + SMC_SET_HASHH(lp, multicast_table[1]); } spin_unlock_irqrestore(&lp->lock, flags); } @@ -1559,7 +1493,6 @@ static int smc911x_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd) { struct smc911x_local *lp = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; int ret, status; unsigned long flags; @@ -1587,7 +1520,7 @@ smc911x_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd) else cmd->transceiver = XCVR_EXTERNAL; cmd->port = 0; - SMC_GET_PHY_SPECIAL(lp->mii.phy_id, status); + SMC_GET_PHY_SPECIAL(lp, lp->mii.phy_id, status); cmd->duplex = (status & (PHY_SPECIAL_SPD_10FULL_ | PHY_SPECIAL_SPD_100FULL_)) ? DUPLEX_FULL : DUPLEX_HALF; @@ -1668,7 +1601,6 @@ static int smc911x_ethtool_getregslen(struct net_device *dev) static void smc911x_ethtool_getregs(struct net_device *dev, struct ethtool_regs* regs, void *buf) { - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); unsigned long flags; u32 reg,i,j=0; @@ -1676,17 +1608,17 @@ static void smc911x_ethtool_getregs(struct net_device *dev, regs->version = lp->version; for(i=ID_REV;i<=E2P_CMD;i+=4) { - data[j++] = SMC_inl(ioaddr,i); + data[j++] = SMC_inl(lp, i); } for(i=MAC_CR;i<=WUCSR;i++) { spin_lock_irqsave(&lp->lock, flags); - SMC_GET_MAC_CSR(i, reg); + SMC_GET_MAC_CSR(lp, i, reg); spin_unlock_irqrestore(&lp->lock, flags); data[j++] = reg; } for(i=0;i<=31;i++) { spin_lock_irqsave(&lp->lock, flags); - SMC_GET_MII(i, lp->mii.phy_id, reg); + SMC_GET_MII(lp, i, lp->mii.phy_id, reg); spin_unlock_irqrestore(&lp->lock, flags); data[j++] = reg & 0xFFFF; } @@ -1694,11 +1626,11 @@ static void smc911x_ethtool_getregs(struct net_device *dev, static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); unsigned int timeout; int e2p_cmd; - e2p_cmd = SMC_GET_E2P_CMD(); + e2p_cmd = SMC_GET_E2P_CMD(lp); for(timeout=10;(e2p_cmd & E2P_CMD_EPC_BUSY_) && timeout; timeout--) { if (e2p_cmd & E2P_CMD_EPC_TIMEOUT_) { PRINTK("%s: %s timeout waiting for EEPROM to respond\n", @@ -1706,7 +1638,7 @@ static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev) return -EFAULT; } mdelay(1); - e2p_cmd = SMC_GET_E2P_CMD(); + e2p_cmd = SMC_GET_E2P_CMD(lp); } if (timeout == 0) { PRINTK("%s: %s timeout waiting for EEPROM CMD not busy\n", @@ -1719,12 +1651,12 @@ static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev) static inline int smc911x_ethtool_write_eeprom_cmd(struct net_device *dev, int cmd, int addr) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); int ret; if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0) return ret; - SMC_SET_E2P_CMD(E2P_CMD_EPC_BUSY_ | + SMC_SET_E2P_CMD(lp, E2P_CMD_EPC_BUSY_ | ((cmd) & (0x7<<28)) | ((addr) & 0xFF)); return 0; @@ -1733,24 +1665,24 @@ static inline int smc911x_ethtool_write_eeprom_cmd(struct net_device *dev, static inline int smc911x_ethtool_read_eeprom_byte(struct net_device *dev, u8 *data) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); int ret; if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0) return ret; - *data = SMC_GET_E2P_DATA(); + *data = SMC_GET_E2P_DATA(lp); return 0; } static inline int smc911x_ethtool_write_eeprom_byte(struct net_device *dev, u8 data) { - unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); int ret; if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0) return ret; - SMC_SET_E2P_DATA(data); + SMC_SET_E2P_DATA(lp, data); return 0; } @@ -1817,8 +1749,9 @@ static const struct ethtool_ops smc911x_ethtool_ops = { * This routine has a simple purpose -- make the SMC chip generate an * interrupt, so an auto-detect routine can detect it, and find the IRQ, */ -static int __init smc911x_findirq(unsigned long ioaddr) +static int __init smc911x_findirq(struct net_device *dev) { + struct smc911x_local *lp = netdev_priv(dev); int timeout = 20; unsigned long cookie; @@ -1830,7 +1763,7 @@ static int __init smc911x_findirq(unsigned long ioaddr) * Force a SW interrupt */ - SMC_SET_INT_EN(INT_EN_SW_INT_EN_); + SMC_SET_INT_EN(lp, INT_EN_SW_INT_EN_); /* * Wait until positive that the interrupt has been generated @@ -1838,7 +1771,7 @@ static int __init smc911x_findirq(unsigned long ioaddr) do { int int_status; udelay(10); - int_status = SMC_GET_INT_EN(); + int_status = SMC_GET_INT_EN(lp); if (int_status & INT_EN_SW_INT_EN_) break; /* got the interrupt */ } while (--timeout); @@ -1851,7 +1784,7 @@ static int __init smc911x_findirq(unsigned long ioaddr) */ /* and disable all interrupts again */ - SMC_SET_INT_EN(0); + SMC_SET_INT_EN(lp, 0); /* and return what I found */ return probe_irq_off(cookie); @@ -1880,17 +1813,18 @@ static int __init smc911x_findirq(unsigned long ioaddr) * o actually GRAB the irq. * o GRAB the region */ -static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) +static int __init smc911x_probe(struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); int i, retval; unsigned int val, chip_id, revision; const char *version_string; + unsigned long irq_flags; DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); /* First, see if the endian word is recognized */ - val = SMC_GET_BYTE_TEST(); + val = SMC_GET_BYTE_TEST(lp); DBG(SMC_DEBUG_MISC, "%s: endian probe returned 0x%04x\n", CARDNAME, val); if (val != 0x87654321) { printk(KERN_ERR "Invalid chip endian 0x08%x\n",val); @@ -1903,7 +1837,7 @@ static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) * recognize. These might need to be added to later, * as future revisions could be added. */ - chip_id = SMC_GET_PN(); + chip_id = SMC_GET_PN(lp); DBG(SMC_DEBUG_MISC, "%s: id probe returned 0x%04x\n", CARDNAME, chip_id); for(i=0;chip_ids[i].id != 0; i++) { if (chip_ids[i].id == chip_id) break; @@ -1915,7 +1849,7 @@ static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) } version_string = chip_ids[i].name; - revision = SMC_GET_REV(); + revision = SMC_GET_REV(lp); DBG(SMC_DEBUG_MISC, "%s: revision = 0x%04x\n", CARDNAME, revision); /* At this point I'll assume that the chip is an SMC911x. */ @@ -1929,7 +1863,6 @@ static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) } /* fill in some of the fields */ - dev->base_addr = ioaddr; lp->version = chip_ids[i].id; lp->revision = revision; lp->tx_fifo_kb = tx_fifo_kb; @@ -1988,7 +1921,7 @@ static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) spin_lock_init(&lp->lock); /* Get the MAC address */ - SMC_GET_MAC_ADDR(dev->dev_addr); + SMC_GET_MAC_ADDR(lp, dev->dev_addr); /* now, reset the chip, and put it into a known state */ smc911x_reset(dev); @@ -2005,7 +1938,7 @@ static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) trials = 3; while (trials--) { - dev->irq = smc911x_findirq(ioaddr); + dev->irq = smc911x_findirq(dev); if (dev->irq) break; /* kick the card and try again */ @@ -2053,9 +1986,15 @@ static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) lp->ctl_rfduplx = 1; lp->ctl_rspeed = 100; +#ifdef SMC_DYNAMIC_BUS_CONFIG + irq_flags = lp->cfg.irq_flags; +#else + irq_flags = IRQF_SHARED | SMC_IRQ_SENSE; +#endif + /* Grab the IRQ */ retval = request_irq(dev->irq, &smc911x_interrupt, - IRQF_SHARED | SMC_IRQ_SENSE, dev->name, dev); + irq_flags, dev->name, dev); if (retval) goto err_out; @@ -2125,6 +2064,7 @@ err_out: */ static int smc911x_drv_probe(struct platform_device *pdev) { + struct smc91x_platdata *pd = pdev->dev.platform_data; struct net_device *ndev; struct resource *res; struct smc911x_local *lp; @@ -2158,6 +2098,13 @@ static int smc911x_drv_probe(struct platform_device *pdev) ndev->irq = platform_get_irq(pdev, 0); lp = netdev_priv(ndev); lp->netdev = ndev; +#ifdef SMC_DYNAMIC_BUS_CONFIG + if (!pd) { + ret = -EINVAL; + goto release_both; + } + memcpy(&lp->cfg, pd, sizeof(lp->cfg)); +#endif addr = ioremap(res->start, SMC911X_IO_EXTENT); if (!addr) { @@ -2166,7 +2113,9 @@ static int smc911x_drv_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, ndev); - ret = smc911x_probe(ndev, (unsigned long)addr); + lp->base = addr; + ndev->base_addr = res->start; + ret = smc911x_probe(ndev); if (ret != 0) { platform_set_drvdata(pdev, NULL); iounmap(addr); @@ -2190,6 +2139,7 @@ out: static int smc911x_drv_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); + struct smc911x_local *lp = netdev_priv(ndev); struct resource *res; DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__); @@ -2201,7 +2151,6 @@ static int smc911x_drv_remove(struct platform_device *pdev) #ifdef SMC_USE_DMA { - struct smc911x_local *lp = netdev_priv(ndev); if (lp->rxdma != -1) { SMC_DMA_FREE(dev, lp->rxdma); } @@ -2210,7 +2159,7 @@ static int smc911x_drv_remove(struct platform_device *pdev) } } #endif - iounmap((void *)ndev->base_addr); + iounmap(lp->base); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); release_mem_region(res->start, SMC911X_IO_EXTENT); @@ -2221,7 +2170,7 @@ static int smc911x_drv_remove(struct platform_device *pdev) static int smc911x_drv_suspend(struct platform_device *dev, pm_message_t state) { struct net_device *ndev = platform_get_drvdata(dev); - unsigned long ioaddr = ndev->base_addr; + struct smc911x_local *lp = netdev_priv(ndev); DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__); if (ndev) { @@ -2230,7 +2179,7 @@ static int smc911x_drv_suspend(struct platform_device *dev, pm_message_t state) smc911x_shutdown(ndev); #if POWER_DOWN /* Set D2 - Energy detect only setting */ - SMC_SET_PMT_CTRL(2<<12); + SMC_SET_PMT_CTRL(lp, 2<<12); #endif } } diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h index 7defa63b9c74..7cc7cd7e99cd 100644 --- a/drivers/net/smc911x.h +++ b/drivers/net/smc911x.h @@ -29,6 +29,7 @@ #ifndef _SMC911X_H_ #define _SMC911X_H_ +#include <linux/smc911x.h> /* * Use the DMA feature on PXA chips */ @@ -38,42 +39,161 @@ #define SMC_USE_32BIT 1 #define SMC_IRQ_SENSE IRQF_TRIGGER_FALLING #elif defined(CONFIG_SH_MAGIC_PANEL_R2) - #define SMC_USE_SH_DMA 0 #define SMC_USE_16BIT 0 #define SMC_USE_32BIT 1 #define SMC_IRQ_SENSE IRQF_TRIGGER_LOW +#else +/* + * Default configuration + */ + +#define SMC_DYNAMIC_BUS_CONFIG #endif +/* store this information for the driver.. */ +struct smc911x_local { + /* + * If I have to wait until the DMA is finished and ready to reload a + * packet, I will store the skbuff here. Then, the DMA will send it + * out and free it. + */ + struct sk_buff *pending_tx_skb; + + /* version/revision of the SMC911x chip */ + u16 version; + u16 revision; + + /* FIFO sizes */ + int tx_fifo_kb; + int tx_fifo_size; + int rx_fifo_size; + int afc_cfg; + + /* Contains the current active receive/phy mode */ + int ctl_rfduplx; + int ctl_rspeed; + + u32 msg_enable; + u32 phy_type; + struct mii_if_info mii; + + /* work queue */ + struct work_struct phy_configure; + int work_pending; + + int tx_throttle; + spinlock_t lock; + + struct net_device *netdev; + +#ifdef SMC_USE_DMA + /* DMA needs the physical address of the chip */ + u_long physaddr; + int rxdma; + int txdma; + int rxdma_active; + int txdma_active; + struct sk_buff *current_rx_skb; + struct sk_buff *current_tx_skb; + struct device *dev; +#endif + void __iomem *base; +#ifdef SMC_DYNAMIC_BUS_CONFIG + struct smc911x_platdata cfg; +#endif +}; /* * Define the bus width specific IO macros */ +#ifdef SMC_DYNAMIC_BUS_CONFIG +static inline unsigned int SMC_inl(struct smc911x_local *lp, int reg) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) + return readl(ioaddr); + + if (lp->cfg.flags & SMC911X_USE_16BIT) + return readw(ioaddr) | (readw(ioaddr + 2) << 16); + + BUG(); +} + +static inline void SMC_outl(unsigned int value, struct smc911x_local *lp, + int reg) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) { + writel(value, ioaddr); + return; + } + + if (lp->cfg.flags & SMC911X_USE_16BIT) { + writew(value & 0xffff, ioaddr); + writew(value >> 16, ioaddr + 2); + return; + } + + BUG(); +} + +static inline void SMC_insl(struct smc911x_local *lp, int reg, + void *addr, unsigned int count) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) { + readsl(ioaddr, addr, count); + return; + } + + if (lp->cfg.flags & SMC911X_USE_16BIT) { + readsw(ioaddr, addr, count * 2); + return; + } + + BUG(); +} + +static inline void SMC_outsl(struct smc911x_local *lp, int reg, + void *addr, unsigned int count) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) { + writesl(ioaddr, addr, count); + return; + } + + if (lp->cfg.flags & SMC911X_USE_16BIT) { + writesw(ioaddr, addr, count * 2); + return; + } + + BUG(); +} +#else #if SMC_USE_16BIT -#define SMC_inb(a, r) readb((a) + (r)) -#define SMC_inw(a, r) readw((a) + (r)) -#define SMC_inl(a, r) ((SMC_inw(a, r) & 0xFFFF)+(SMC_inw(a+2, r)<<16)) -#define SMC_outb(v, a, r) writeb(v, (a) + (r)) -#define SMC_outw(v, a, r) writew(v, (a) + (r)) -#define SMC_outl(v, a, r) \ +#define SMC_inl(lp, r) ((readw((lp)->base + (r)) & 0xFFFF) + (readw((lp)->base + (r) + 2) << 16)) +#define SMC_outl(v, lp, r) \ do{ \ - writel(v & 0xFFFF, (a) + (r)); \ - writel(v >> 16, (a) + (r) + 2); \ + writew(v & 0xFFFF, (lp)->base + (r)); \ + writew(v >> 16, (lp)->base + (r) + 2); \ } while (0) -#define SMC_insl(a, r, p, l) readsw((short*)((a) + (r)), p, l*2) -#define SMC_outsl(a, r, p, l) writesw((short*)((a) + (r)), p, l*2) +#define SMC_insl(lp, r, p, l) readsw((short*)((lp)->base + (r)), p, l*2) +#define SMC_outsl(lp, r, p, l) writesw((short*)((lp)->base + (r)), p, l*2) #elif SMC_USE_32BIT -#define SMC_inb(a, r) readb((a) + (r)) -#define SMC_inw(a, r) readw((a) + (r)) -#define SMC_inl(a, r) readl((a) + (r)) -#define SMC_outb(v, a, r) writeb(v, (a) + (r)) -#define SMC_outl(v, a, r) writel(v, (a) + (r)) -#define SMC_insl(a, r, p, l) readsl((int*)((a) + (r)), p, l) -#define SMC_outsl(a, r, p, l) writesl((int*)((a) + (r)), p, l) +#define SMC_inl(lp, r) readl((lp)->base + (r)) +#define SMC_outl(v, lp, r) writel(v, (lp)->base + (r)) +#define SMC_insl(lp, r, p, l) readsl((int*)((lp)->base + (r)), p, l) +#define SMC_outsl(lp, r, p, l) writesl((int*)((lp)->base + (r)), p, l) #endif /* SMC_USE_16BIT */ - +#endif /* SMC_DYNAMIC_BUS_CONFIG */ #ifdef SMC_USE_PXA_DMA @@ -110,22 +230,22 @@ static int rx_dmalen, tx_dmalen; #ifdef SMC_insl #undef SMC_insl -#define SMC_insl(a, r, p, l) \ - smc_pxa_dma_insl(lp->dev, a, lp->physaddr, r, lp->rxdma, p, l) +#define SMC_insl(lp, r, p, l) \ + smc_pxa_dma_insl(lp, lp->physaddr, r, lp->rxdma, p, l) static inline void -smc_pxa_dma_insl(struct device *dev, u_long ioaddr, u_long physaddr, +smc_pxa_dma_insl(struct smc911x_local *lp, u_long physaddr, int reg, int dma, u_char *buf, int len) { /* 64 bit alignment is required for memory to memory DMA */ if ((long)buf & 4) { - *((u32 *)buf) = SMC_inl(ioaddr, reg); + *((u32 *)buf) = SMC_inl(lp, reg); buf += 4; len--; } len *= 4; - rx_dmabuf = dma_map_single(dev, buf, len, DMA_FROM_DEVICE); + rx_dmabuf = dma_map_single(lp->dev, buf, len, DMA_FROM_DEVICE); rx_dmalen = len; DCSR(dma) = DCSR_NODESC; DTADR(dma) = rx_dmabuf; @@ -136,52 +256,24 @@ smc_pxa_dma_insl(struct device *dev, u_long ioaddr, u_long physaddr, } #endif -#ifdef SMC_insw -#undef SMC_insw -#define SMC_insw(a, r, p, l) \ - smc_pxa_dma_insw(lp->dev, a, lp->physaddr, r, lp->rxdma, p, l) - -static inline void -smc_pxa_dma_insw(struct device *dev, u_long ioaddr, u_long physaddr, - int reg, int dma, u_char *buf, int len) -{ - /* 64 bit alignment is required for memory to memory DMA */ - while ((long)buf & 6) { - *((u16 *)buf) = SMC_inw(ioaddr, reg); - buf += 2; - len--; - } - - len *= 2; - rx_dmabuf = dma_map_single(dev, buf, len, DMA_FROM_DEVICE); - rx_dmalen = len; - DCSR(dma) = DCSR_NODESC; - DTADR(dma) = rx_dmabuf; - DSADR(dma) = physaddr + reg; - DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 | - DCMD_WIDTH2 | DCMD_ENDIRQEN | (DCMD_LENGTH & rx_dmalen)); - DCSR(dma) = DCSR_NODESC | DCSR_RUN; -} -#endif - #ifdef SMC_outsl #undef SMC_outsl -#define SMC_outsl(a, r, p, l) \ - smc_pxa_dma_outsl(lp->dev, a, lp->physaddr, r, lp->txdma, p, l) +#define SMC_outsl(lp, r, p, l) \ + smc_pxa_dma_outsl(lp, lp->physaddr, r, lp->txdma, p, l) static inline void -smc_pxa_dma_outsl(struct device *dev, u_long ioaddr, u_long physaddr, +smc_pxa_dma_outsl(struct smc911x_local *lp, u_long physaddr, int reg, int dma, u_char *buf, int len) { /* 64 bit alignment is required for memory to memory DMA */ if ((long)buf & 4) { - SMC_outl(*((u32 *)buf), ioaddr, reg); + SMC_outl(*((u32 *)buf), lp, reg); buf += 4; len--; } len *= 4; - tx_dmabuf = dma_map_single(dev, buf, len, DMA_TO_DEVICE); + tx_dmabuf = dma_map_single(lp->dev, buf, len, DMA_TO_DEVICE); tx_dmalen = len; DCSR(dma) = DCSR_NODESC; DSADR(dma) = tx_dmabuf; @@ -191,35 +283,6 @@ smc_pxa_dma_outsl(struct device *dev, u_long ioaddr, u_long physaddr, DCSR(dma) = DCSR_NODESC | DCSR_RUN; } #endif - -#ifdef SMC_outsw -#undef SMC_outsw -#define SMC_outsw(a, r, p, l) \ - smc_pxa_dma_outsw(lp->dev, a, lp->physaddr, r, lp->txdma, p, l) - -static inline void -smc_pxa_dma_outsw(struct device *dev, u_long ioaddr, u_long physaddr, - int reg, int dma, u_char *buf, int len) -{ - /* 64 bit alignment is required for memory to memory DMA */ - while ((long)buf & 6) { - SMC_outw(*((u16 *)buf), ioaddr, reg); - buf += 2; - len--; - } - - len *= 2; - tx_dmabuf = dma_map_single(dev, buf, len, DMA_TO_DEVICE); - tx_dmalen = len; - DCSR(dma) = DCSR_NODESC; - DSADR(dma) = tx_dmabuf; - DTADR(dma) = physaddr + reg; - DCMD(dma) = (DCMD_INCSRCADDR | DCMD_BURST32 | - DCMD_WIDTH2 | DCMD_ENDIRQEN | (DCMD_LENGTH & tx_dmalen)); - DCSR(dma) = DCSR_NODESC | DCSR_RUN; -} -#endif - #endif /* SMC_USE_PXA_DMA */ @@ -629,213 +692,213 @@ static const struct chip_id chip_ids[] = { * capabilities. Please use those and not the in/out primitives. */ /* FIFO read/write macros */ -#define SMC_PUSH_DATA(p, l) SMC_outsl( ioaddr, TX_DATA_FIFO, p, (l) >> 2 ) -#define SMC_PULL_DATA(p, l) SMC_insl ( ioaddr, RX_DATA_FIFO, p, (l) >> 2 ) -#define SMC_SET_TX_FIFO(x) SMC_outl( x, ioaddr, TX_DATA_FIFO ) -#define SMC_GET_RX_FIFO() SMC_inl( ioaddr, RX_DATA_FIFO ) +#define SMC_PUSH_DATA(lp, p, l) SMC_outsl( lp, TX_DATA_FIFO, p, (l) >> 2 ) +#define SMC_PULL_DATA(lp, p, l) SMC_insl ( lp, RX_DATA_FIFO, p, (l) >> 2 ) +#define SMC_SET_TX_FIFO(lp, x) SMC_outl( x, lp, TX_DATA_FIFO ) +#define SMC_GET_RX_FIFO(lp) SMC_inl( lp, RX_DATA_FIFO ) /* I/O mapped register read/write macros */ -#define SMC_GET_TX_STS_FIFO() SMC_inl( ioaddr, TX_STATUS_FIFO ) -#define SMC_GET_RX_STS_FIFO() SMC_inl( ioaddr, RX_STATUS_FIFO ) -#define SMC_GET_RX_STS_FIFO_PEEK() SMC_inl( ioaddr, RX_STATUS_FIFO_PEEK ) -#define SMC_GET_PN() (SMC_inl( ioaddr, ID_REV ) >> 16) -#define SMC_GET_REV() (SMC_inl( ioaddr, ID_REV ) & 0xFFFF) -#define SMC_GET_IRQ_CFG() SMC_inl( ioaddr, INT_CFG ) -#define SMC_SET_IRQ_CFG(x) SMC_outl( x, ioaddr, INT_CFG ) -#define SMC_GET_INT() SMC_inl( ioaddr, INT_STS ) -#define SMC_ACK_INT(x) SMC_outl( x, ioaddr, INT_STS ) -#define SMC_GET_INT_EN() SMC_inl( ioaddr, INT_EN ) -#define SMC_SET_INT_EN(x) SMC_outl( x, ioaddr, INT_EN ) -#define SMC_GET_BYTE_TEST() SMC_inl( ioaddr, BYTE_TEST ) -#define SMC_SET_BYTE_TEST(x) SMC_outl( x, ioaddr, BYTE_TEST ) -#define SMC_GET_FIFO_INT() SMC_inl( ioaddr, FIFO_INT ) -#define SMC_SET_FIFO_INT(x) SMC_outl( x, ioaddr, FIFO_INT ) -#define SMC_SET_FIFO_TDA(x) \ +#define SMC_GET_TX_STS_FIFO(lp) SMC_inl( lp, TX_STATUS_FIFO ) +#define SMC_GET_RX_STS_FIFO(lp) SMC_inl( lp, RX_STATUS_FIFO ) +#define SMC_GET_RX_STS_FIFO_PEEK(lp) SMC_inl( lp, RX_STATUS_FIFO_PEEK ) +#define SMC_GET_PN(lp) (SMC_inl( lp, ID_REV ) >> 16) +#define SMC_GET_REV(lp) (SMC_inl( lp, ID_REV ) & 0xFFFF) +#define SMC_GET_IRQ_CFG(lp) SMC_inl( lp, INT_CFG ) +#define SMC_SET_IRQ_CFG(lp, x) SMC_outl( x, lp, INT_CFG ) +#define SMC_GET_INT(lp) SMC_inl( lp, INT_STS ) +#define SMC_ACK_INT(lp, x) SMC_outl( x, lp, INT_STS ) +#define SMC_GET_INT_EN(lp) SMC_inl( lp, INT_EN ) +#define SMC_SET_INT_EN(lp, x) SMC_outl( x, lp, INT_EN ) +#define SMC_GET_BYTE_TEST(lp) SMC_inl( lp, BYTE_TEST ) +#define SMC_SET_BYTE_TEST(lp, x) SMC_outl( x, lp, BYTE_TEST ) +#define SMC_GET_FIFO_INT(lp) SMC_inl( lp, FIFO_INT ) +#define SMC_SET_FIFO_INT(lp, x) SMC_outl( x, lp, FIFO_INT ) +#define SMC_SET_FIFO_TDA(lp, x) \ do { \ unsigned long __flags; \ int __mask; \ local_irq_save(__flags); \ - __mask = SMC_GET_FIFO_INT() & ~(0xFF<<24); \ - SMC_SET_FIFO_INT( __mask | (x)<<24 ); \ + __mask = SMC_GET_FIFO_INT((lp)) & ~(0xFF<<24); \ + SMC_SET_FIFO_INT( (lp), __mask | (x)<<24 ); \ local_irq_restore(__flags); \ } while (0) -#define SMC_SET_FIFO_TSL(x) \ +#define SMC_SET_FIFO_TSL(lp, x) \ do { \ unsigned long __flags; \ int __mask; \ local_irq_save(__flags); \ - __mask = SMC_GET_FIFO_INT() & ~(0xFF<<16); \ - SMC_SET_FIFO_INT( __mask | (((x) & 0xFF)<<16)); \ + __mask = SMC_GET_FIFO_INT((lp)) & ~(0xFF<<16); \ + SMC_SET_FIFO_INT( (lp), __mask | (((x) & 0xFF)<<16)); \ local_irq_restore(__flags); \ } while (0) -#define SMC_SET_FIFO_RSA(x) \ +#define SMC_SET_FIFO_RSA(lp, x) \ do { \ unsigned long __flags; \ int __mask; \ local_irq_save(__flags); \ - __mask = SMC_GET_FIFO_INT() & ~(0xFF<<8); \ - SMC_SET_FIFO_INT( __mask | (((x) & 0xFF)<<8)); \ + __mask = SMC_GET_FIFO_INT((lp)) & ~(0xFF<<8); \ + SMC_SET_FIFO_INT( (lp), __mask | (((x) & 0xFF)<<8)); \ local_irq_restore(__flags); \ } while (0) -#define SMC_SET_FIFO_RSL(x) \ +#define SMC_SET_FIFO_RSL(lp, x) \ do { \ unsigned long __flags; \ int __mask; \ local_irq_save(__flags); \ - __mask = SMC_GET_FIFO_INT() & ~0xFF; \ - SMC_SET_FIFO_INT( __mask | ((x) & 0xFF)); \ + __mask = SMC_GET_FIFO_INT((lp)) & ~0xFF; \ + SMC_SET_FIFO_INT( (lp),__mask | ((x) & 0xFF)); \ local_irq_restore(__flags); \ } while (0) -#define SMC_GET_RX_CFG() SMC_inl( ioaddr, RX_CFG ) -#define SMC_SET_RX_CFG(x) SMC_outl( x, ioaddr, RX_CFG ) -#define SMC_GET_TX_CFG() SMC_inl( ioaddr, TX_CFG ) -#define SMC_SET_TX_CFG(x) SMC_outl( x, ioaddr, TX_CFG ) -#define SMC_GET_HW_CFG() SMC_inl( ioaddr, HW_CFG ) -#define SMC_SET_HW_CFG(x) SMC_outl( x, ioaddr, HW_CFG ) -#define SMC_GET_RX_DP_CTRL() SMC_inl( ioaddr, RX_DP_CTRL ) -#define SMC_SET_RX_DP_CTRL(x) SMC_outl( x, ioaddr, RX_DP_CTRL ) -#define SMC_GET_PMT_CTRL() SMC_inl( ioaddr, PMT_CTRL ) -#define SMC_SET_PMT_CTRL(x) SMC_outl( x, ioaddr, PMT_CTRL ) -#define SMC_GET_GPIO_CFG() SMC_inl( ioaddr, GPIO_CFG ) -#define SMC_SET_GPIO_CFG(x) SMC_outl( x, ioaddr, GPIO_CFG ) -#define SMC_GET_RX_FIFO_INF() SMC_inl( ioaddr, RX_FIFO_INF ) -#define SMC_SET_RX_FIFO_INF(x) SMC_outl( x, ioaddr, RX_FIFO_INF ) -#define SMC_GET_TX_FIFO_INF() SMC_inl( ioaddr, TX_FIFO_INF ) -#define SMC_SET_TX_FIFO_INF(x) SMC_outl( x, ioaddr, TX_FIFO_INF ) -#define SMC_GET_GPT_CFG() SMC_inl( ioaddr, GPT_CFG ) -#define SMC_SET_GPT_CFG(x) SMC_outl( x, ioaddr, GPT_CFG ) -#define SMC_GET_RX_DROP() SMC_inl( ioaddr, RX_DROP ) -#define SMC_SET_RX_DROP(x) SMC_outl( x, ioaddr, RX_DROP ) -#define SMC_GET_MAC_CMD() SMC_inl( ioaddr, MAC_CSR_CMD ) -#define SMC_SET_MAC_CMD(x) SMC_outl( x, ioaddr, MAC_CSR_CMD ) -#define SMC_GET_MAC_DATA() SMC_inl( ioaddr, MAC_CSR_DATA ) -#define SMC_SET_MAC_DATA(x) SMC_outl( x, ioaddr, MAC_CSR_DATA ) -#define SMC_GET_AFC_CFG() SMC_inl( ioaddr, AFC_CFG ) -#define SMC_SET_AFC_CFG(x) SMC_outl( x, ioaddr, AFC_CFG ) -#define SMC_GET_E2P_CMD() SMC_inl( ioaddr, E2P_CMD ) -#define SMC_SET_E2P_CMD(x) SMC_outl( x, ioaddr, E2P_CMD ) -#define SMC_GET_E2P_DATA() SMC_inl( ioaddr, E2P_DATA ) -#define SMC_SET_E2P_DATA(x) SMC_outl( x, ioaddr, E2P_DATA ) +#define SMC_GET_RX_CFG(lp) SMC_inl( lp, RX_CFG ) +#define SMC_SET_RX_CFG(lp, x) SMC_outl( x, lp, RX_CFG ) +#define SMC_GET_TX_CFG(lp) SMC_inl( lp, TX_CFG ) +#define SMC_SET_TX_CFG(lp, x) SMC_outl( x, lp, TX_CFG ) +#define SMC_GET_HW_CFG(lp) SMC_inl( lp, HW_CFG ) +#define SMC_SET_HW_CFG(lp, x) SMC_outl( x, lp, HW_CFG ) +#define SMC_GET_RX_DP_CTRL(lp) SMC_inl( lp, RX_DP_CTRL ) +#define SMC_SET_RX_DP_CTRL(lp, x) SMC_outl( x, lp, RX_DP_CTRL ) +#define SMC_GET_PMT_CTRL(lp) SMC_inl( lp, PMT_CTRL ) +#define SMC_SET_PMT_CTRL(lp, x) SMC_outl( x, lp, PMT_CTRL ) +#define SMC_GET_GPIO_CFG(lp) SMC_inl( lp, GPIO_CFG ) +#define SMC_SET_GPIO_CFG(lp, x) SMC_outl( x, lp, GPIO_CFG ) +#define SMC_GET_RX_FIFO_INF(lp) SMC_inl( lp, RX_FIFO_INF ) +#define SMC_SET_RX_FIFO_INF(lp, x) SMC_outl( x, lp, RX_FIFO_INF ) +#define SMC_GET_TX_FIFO_INF(lp) SMC_inl( lp, TX_FIFO_INF ) +#define SMC_SET_TX_FIFO_INF(lp, x) SMC_outl( x, lp, TX_FIFO_INF ) +#define SMC_GET_GPT_CFG(lp) SMC_inl( lp, GPT_CFG ) +#define SMC_SET_GPT_CFG(lp, x) SMC_outl( x, lp, GPT_CFG ) +#define SMC_GET_RX_DROP(lp) SMC_inl( lp, RX_DROP ) +#define SMC_SET_RX_DROP(lp, x) SMC_outl( x, lp, RX_DROP ) +#define SMC_GET_MAC_CMD(lp) SMC_inl( lp, MAC_CSR_CMD ) +#define SMC_SET_MAC_CMD(lp, x) SMC_outl( x, lp, MAC_CSR_CMD ) +#define SMC_GET_MAC_DATA(lp) SMC_inl( lp, MAC_CSR_DATA ) +#define SMC_SET_MAC_DATA(lp, x) SMC_outl( x, lp, MAC_CSR_DATA ) +#define SMC_GET_AFC_CFG(lp) SMC_inl( lp, AFC_CFG ) +#define SMC_SET_AFC_CFG(lp, x) SMC_outl( x, lp, AFC_CFG ) +#define SMC_GET_E2P_CMD(lp) SMC_inl( lp, E2P_CMD ) +#define SMC_SET_E2P_CMD(lp, x) SMC_outl( x, lp, E2P_CMD ) +#define SMC_GET_E2P_DATA(lp) SMC_inl( lp, E2P_DATA ) +#define SMC_SET_E2P_DATA(lp, x) SMC_outl( x, lp, E2P_DATA ) /* MAC register read/write macros */ -#define SMC_GET_MAC_CSR(a,v) \ +#define SMC_GET_MAC_CSR(lp,a,v) \ do { \ - while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ - SMC_SET_MAC_CMD(MAC_CSR_CMD_CSR_BUSY_ | \ + while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \ + SMC_SET_MAC_CMD((lp),MAC_CSR_CMD_CSR_BUSY_ | \ MAC_CSR_CMD_R_NOT_W_ | (a) ); \ - while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ - v = SMC_GET_MAC_DATA(); \ + while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \ + v = SMC_GET_MAC_DATA((lp)); \ } while (0) -#define SMC_SET_MAC_CSR(a,v) \ +#define SMC_SET_MAC_CSR(lp,a,v) \ do { \ - while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ - SMC_SET_MAC_DATA(v); \ - SMC_SET_MAC_CMD(MAC_CSR_CMD_CSR_BUSY_ | (a) ); \ - while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \ + SMC_SET_MAC_DATA((lp), v); \ + SMC_SET_MAC_CMD((lp), MAC_CSR_CMD_CSR_BUSY_ | (a) ); \ + while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \ } while (0) -#define SMC_GET_MAC_CR(x) SMC_GET_MAC_CSR( MAC_CR, x ) -#define SMC_SET_MAC_CR(x) SMC_SET_MAC_CSR( MAC_CR, x ) -#define SMC_GET_ADDRH(x) SMC_GET_MAC_CSR( ADDRH, x ) -#define SMC_SET_ADDRH(x) SMC_SET_MAC_CSR( ADDRH, x ) -#define SMC_GET_ADDRL(x) SMC_GET_MAC_CSR( ADDRL, x ) -#define SMC_SET_ADDRL(x) SMC_SET_MAC_CSR( ADDRL, x ) -#define SMC_GET_HASHH(x) SMC_GET_MAC_CSR( HASHH, x ) -#define SMC_SET_HASHH(x) SMC_SET_MAC_CSR( HASHH, x ) -#define SMC_GET_HASHL(x) SMC_GET_MAC_CSR( HASHL, x ) -#define SMC_SET_HASHL(x) SMC_SET_MAC_CSR( HASHL, x ) -#define SMC_GET_MII_ACC(x) SMC_GET_MAC_CSR( MII_ACC, x ) -#define SMC_SET_MII_ACC(x) SMC_SET_MAC_CSR( MII_ACC, x ) -#define SMC_GET_MII_DATA(x) SMC_GET_MAC_CSR( MII_DATA, x ) -#define SMC_SET_MII_DATA(x) SMC_SET_MAC_CSR( MII_DATA, x ) -#define SMC_GET_FLOW(x) SMC_GET_MAC_CSR( FLOW, x ) -#define SMC_SET_FLOW(x) SMC_SET_MAC_CSR( FLOW, x ) -#define SMC_GET_VLAN1(x) SMC_GET_MAC_CSR( VLAN1, x ) -#define SMC_SET_VLAN1(x) SMC_SET_MAC_CSR( VLAN1, x ) -#define SMC_GET_VLAN2(x) SMC_GET_MAC_CSR( VLAN2, x ) -#define SMC_SET_VLAN2(x) SMC_SET_MAC_CSR( VLAN2, x ) -#define SMC_SET_WUFF(x) SMC_SET_MAC_CSR( WUFF, x ) -#define SMC_GET_WUCSR(x) SMC_GET_MAC_CSR( WUCSR, x ) -#define SMC_SET_WUCSR(x) SMC_SET_MAC_CSR( WUCSR, x ) +#define SMC_GET_MAC_CR(lp, x) SMC_GET_MAC_CSR( (lp), MAC_CR, x ) +#define SMC_SET_MAC_CR(lp, x) SMC_SET_MAC_CSR( (lp), MAC_CR, x ) +#define SMC_GET_ADDRH(lp, x) SMC_GET_MAC_CSR( (lp), ADDRH, x ) +#define SMC_SET_ADDRH(lp, x) SMC_SET_MAC_CSR( (lp), ADDRH, x ) +#define SMC_GET_ADDRL(lp, x) SMC_GET_MAC_CSR( (lp), ADDRL, x ) +#define SMC_SET_ADDRL(lp, x) SMC_SET_MAC_CSR( (lp), ADDRL, x ) +#define SMC_GET_HASHH(lp, x) SMC_GET_MAC_CSR( (lp), HASHH, x ) +#define SMC_SET_HASHH(lp, x) SMC_SET_MAC_CSR( (lp), HASHH, x ) +#define SMC_GET_HASHL(lp, x) SMC_GET_MAC_CSR( (lp), HASHL, x ) +#define SMC_SET_HASHL(lp, x) SMC_SET_MAC_CSR( (lp), HASHL, x ) +#define SMC_GET_MII_ACC(lp, x) SMC_GET_MAC_CSR( (lp), MII_ACC, x ) +#define SMC_SET_MII_ACC(lp, x) SMC_SET_MAC_CSR( (lp), MII_ACC, x ) +#define SMC_GET_MII_DATA(lp, x) SMC_GET_MAC_CSR( (lp), MII_DATA, x ) +#define SMC_SET_MII_DATA(lp, x) SMC_SET_MAC_CSR( (lp), MII_DATA, x ) +#define SMC_GET_FLOW(lp, x) SMC_GET_MAC_CSR( (lp), FLOW, x ) +#define SMC_SET_FLOW(lp, x) SMC_SET_MAC_CSR( (lp), FLOW, x ) +#define SMC_GET_VLAN1(lp, x) SMC_GET_MAC_CSR( (lp), VLAN1, x ) +#define SMC_SET_VLAN1(lp, x) SMC_SET_MAC_CSR( (lp), VLAN1, x ) +#define SMC_GET_VLAN2(lp, x) SMC_GET_MAC_CSR( (lp), VLAN2, x ) +#define SMC_SET_VLAN2(lp, x) SMC_SET_MAC_CSR( (lp), VLAN2, x ) +#define SMC_SET_WUFF(lp, x) SMC_SET_MAC_CSR( (lp), WUFF, x ) +#define SMC_GET_WUCSR(lp, x) SMC_GET_MAC_CSR( (lp), WUCSR, x ) +#define SMC_SET_WUCSR(lp, x) SMC_SET_MAC_CSR( (lp), WUCSR, x ) /* PHY register read/write macros */ -#define SMC_GET_MII(a,phy,v) \ +#define SMC_GET_MII(lp,a,phy,v) \ do { \ u32 __v; \ do { \ - SMC_GET_MII_ACC(__v); \ + SMC_GET_MII_ACC((lp), __v); \ } while ( __v & MII_ACC_MII_BUSY_ ); \ - SMC_SET_MII_ACC( ((phy)<<11) | ((a)<<6) | \ + SMC_SET_MII_ACC( (lp), ((phy)<<11) | ((a)<<6) | \ MII_ACC_MII_BUSY_); \ do { \ - SMC_GET_MII_ACC(__v); \ + SMC_GET_MII_ACC( (lp), __v); \ } while ( __v & MII_ACC_MII_BUSY_ ); \ - SMC_GET_MII_DATA(v); \ + SMC_GET_MII_DATA((lp), v); \ } while (0) -#define SMC_SET_MII(a,phy,v) \ +#define SMC_SET_MII(lp,a,phy,v) \ do { \ u32 __v; \ do { \ - SMC_GET_MII_ACC(__v); \ + SMC_GET_MII_ACC((lp), __v); \ } while ( __v & MII_ACC_MII_BUSY_ ); \ - SMC_SET_MII_DATA(v); \ - SMC_SET_MII_ACC( ((phy)<<11) | ((a)<<6) | \ + SMC_SET_MII_DATA((lp), v); \ + SMC_SET_MII_ACC( (lp), ((phy)<<11) | ((a)<<6) | \ MII_ACC_MII_BUSY_ | \ MII_ACC_MII_WRITE_ ); \ do { \ - SMC_GET_MII_ACC(__v); \ + SMC_GET_MII_ACC((lp), __v); \ } while ( __v & MII_ACC_MII_BUSY_ ); \ } while (0) -#define SMC_GET_PHY_BMCR(phy,x) SMC_GET_MII( MII_BMCR, phy, x ) -#define SMC_SET_PHY_BMCR(phy,x) SMC_SET_MII( MII_BMCR, phy, x ) -#define SMC_GET_PHY_BMSR(phy,x) SMC_GET_MII( MII_BMSR, phy, x ) -#define SMC_GET_PHY_ID1(phy,x) SMC_GET_MII( MII_PHYSID1, phy, x ) -#define SMC_GET_PHY_ID2(phy,x) SMC_GET_MII( MII_PHYSID2, phy, x ) -#define SMC_GET_PHY_MII_ADV(phy,x) SMC_GET_MII( MII_ADVERTISE, phy, x ) -#define SMC_SET_PHY_MII_ADV(phy,x) SMC_SET_MII( MII_ADVERTISE, phy, x ) -#define SMC_GET_PHY_MII_LPA(phy,x) SMC_GET_MII( MII_LPA, phy, x ) -#define SMC_SET_PHY_MII_LPA(phy,x) SMC_SET_MII( MII_LPA, phy, x ) -#define SMC_GET_PHY_CTRL_STS(phy,x) SMC_GET_MII( PHY_MODE_CTRL_STS, phy, x ) -#define SMC_SET_PHY_CTRL_STS(phy,x) SMC_SET_MII( PHY_MODE_CTRL_STS, phy, x ) -#define SMC_GET_PHY_INT_SRC(phy,x) SMC_GET_MII( PHY_INT_SRC, phy, x ) -#define SMC_SET_PHY_INT_SRC(phy,x) SMC_SET_MII( PHY_INT_SRC, phy, x ) -#define SMC_GET_PHY_INT_MASK(phy,x) SMC_GET_MII( PHY_INT_MASK, phy, x ) -#define SMC_SET_PHY_INT_MASK(phy,x) SMC_SET_MII( PHY_INT_MASK, phy, x ) -#define SMC_GET_PHY_SPECIAL(phy,x) SMC_GET_MII( PHY_SPECIAL, phy, x ) +#define SMC_GET_PHY_BMCR(lp,phy,x) SMC_GET_MII( (lp), MII_BMCR, phy, x ) +#define SMC_SET_PHY_BMCR(lp,phy,x) SMC_SET_MII( (lp), MII_BMCR, phy, x ) +#define SMC_GET_PHY_BMSR(lp,phy,x) SMC_GET_MII( (lp), MII_BMSR, phy, x ) +#define SMC_GET_PHY_ID1(lp,phy,x) SMC_GET_MII( (lp), MII_PHYSID1, phy, x ) +#define SMC_GET_PHY_ID2(lp,phy,x) SMC_GET_MII( (lp), MII_PHYSID2, phy, x ) +#define SMC_GET_PHY_MII_ADV(lp,phy,x) SMC_GET_MII( (lp), MII_ADVERTISE, phy, x ) +#define SMC_SET_PHY_MII_ADV(lp,phy,x) SMC_SET_MII( (lp), MII_ADVERTISE, phy, x ) +#define SMC_GET_PHY_MII_LPA(lp,phy,x) SMC_GET_MII( (lp), MII_LPA, phy, x ) +#define SMC_SET_PHY_MII_LPA(lp,phy,x) SMC_SET_MII( (lp), MII_LPA, phy, x ) +#define SMC_GET_PHY_CTRL_STS(lp,phy,x) SMC_GET_MII( (lp), PHY_MODE_CTRL_STS, phy, x ) +#define SMC_SET_PHY_CTRL_STS(lp,phy,x) SMC_SET_MII( (lp), PHY_MODE_CTRL_STS, phy, x ) +#define SMC_GET_PHY_INT_SRC(lp,phy,x) SMC_GET_MII( (lp), PHY_INT_SRC, phy, x ) +#define SMC_SET_PHY_INT_SRC(lp,phy,x) SMC_SET_MII( (lp), PHY_INT_SRC, phy, x ) +#define SMC_GET_PHY_INT_MASK(lp,phy,x) SMC_GET_MII( (lp), PHY_INT_MASK, phy, x ) +#define SMC_SET_PHY_INT_MASK(lp,phy,x) SMC_SET_MII( (lp), PHY_INT_MASK, phy, x ) +#define SMC_GET_PHY_SPECIAL(lp,phy,x) SMC_GET_MII( (lp), PHY_SPECIAL, phy, x ) /* Misc read/write macros */ #ifndef SMC_GET_MAC_ADDR -#define SMC_GET_MAC_ADDR(addr) \ +#define SMC_GET_MAC_ADDR(lp, addr) \ do { \ unsigned int __v; \ \ - SMC_GET_MAC_CSR(ADDRL, __v); \ + SMC_GET_MAC_CSR((lp), ADDRL, __v); \ addr[0] = __v; addr[1] = __v >> 8; \ addr[2] = __v >> 16; addr[3] = __v >> 24; \ - SMC_GET_MAC_CSR(ADDRH, __v); \ + SMC_GET_MAC_CSR((lp), ADDRH, __v); \ addr[4] = __v; addr[5] = __v >> 8; \ } while (0) #endif -#define SMC_SET_MAC_ADDR(addr) \ +#define SMC_SET_MAC_ADDR(lp, addr) \ do { \ - SMC_SET_MAC_CSR(ADDRL, \ + SMC_SET_MAC_CSR((lp), ADDRL, \ addr[0] | \ (addr[1] << 8) | \ (addr[2] << 16) | \ (addr[3] << 24)); \ - SMC_SET_MAC_CSR(ADDRH, addr[4]|(addr[5] << 8));\ + SMC_SET_MAC_CSR((lp), ADDRH, addr[4]|(addr[5] << 8));\ } while (0) -#define SMC_WRITE_EEPROM_CMD(cmd, addr) \ +#define SMC_WRITE_EEPROM_CMD(lp, cmd, addr) \ do { \ - while (SMC_GET_E2P_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ - SMC_SET_MAC_CMD(MAC_CSR_CMD_R_NOT_W_ | a ); \ - while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + while (SMC_GET_E2P_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \ + SMC_SET_MAC_CMD((lp), MAC_CSR_CMD_R_NOT_W_ | a ); \ + while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \ } while (0) #endif /* _SMC911X_H_ */ diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c index 26ade68aeabf..4e994f87469e 100644 --- a/drivers/net/sunlance.c +++ b/drivers/net/sunlance.c @@ -915,15 +915,11 @@ static void build_fake_packet(struct lance_private *lp) lp->tx_new = TX_NEXT(entry); } -struct net_device *last_dev; - static int lance_open(struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); int status = 0; - last_dev = dev; - STOP_LANCE(lp); if (request_irq(dev->irq, &lance_interrupt, IRQF_SHARED, diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 0604f3faf043..68e198bd538b 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -154,6 +154,16 @@ config USB_NET_AX8817X This driver creates an interface named "ethX", where X depends on what other networking devices you have in use. +config USB_HSO + tristate "Option USB High Speed Mobile Devices" + depends on USB && RFKILL + default n + help + Choose this option if you have an Option HSDPA/HSUPA card. + These cards support downlink speeds of 7.2Mbps or greater. + + To compile this driver as a module, choose M here: the + module will be called hso. config USB_NET_CDCETHER tristate "CDC Ethernet support (smart devices such as cable modems)" diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index 595a539f8384..24800c157f98 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_USB_CATC) += catc.o obj-$(CONFIG_USB_KAWETH) += kaweth.o obj-$(CONFIG_USB_PEGASUS) += pegasus.o obj-$(CONFIG_USB_RTL8150) += rtl8150.o +obj-$(CONFIG_USB_HSO) += hso.o obj-$(CONFIG_USB_NET_AX8817X) += asix.o obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o obj-$(CONFIG_USB_NET_DM9601) += dm9601.o diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c new file mode 100644 index 000000000000..031d07b105af --- /dev/null +++ b/drivers/net/usb/hso.c @@ -0,0 +1,2836 @@ +/****************************************************************************** + * + * Driver for Option High Speed Mobile Devices. + * + * Copyright (C) 2008 Option International + * Copyright (C) 2007 Andrew Bird (Sphere Systems Ltd) + * <ajb@spheresystems.co.uk> + * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de> + * Copyright (C) 2008 Novell, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA + * + * + *****************************************************************************/ + +/****************************************************************************** + * + * Description of the device: + * + * Interface 0: Contains the IP network interface on the bulk end points. + * The multiplexed serial ports are using the interrupt and + * control endpoints. + * Interrupt contains a bitmap telling which multiplexed + * serialport needs servicing. + * + * Interface 1: Diagnostics port, uses bulk only, do not submit urbs until the + * port is opened, as this have a huge impact on the network port + * throughput. + * + * Interface 2: Standard modem interface - circuit switched interface, should + * not be used. + * + *****************************************************************************/ + +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/module.h> +#include <linux/ethtool.h> +#include <linux/usb.h> +#include <linux/timer.h> +#include <linux/tty.h> +#include <linux/tty_driver.h> +#include <linux/tty_flip.h> +#include <linux/kmod.h> +#include <linux/rfkill.h> +#include <linux/ip.h> +#include <linux/uaccess.h> +#include <linux/usb/cdc.h> +#include <net/arp.h> +#include <asm/byteorder.h> + + +#define DRIVER_VERSION "1.2" +#define MOD_AUTHOR "Option Wireless" +#define MOD_DESCRIPTION "USB High Speed Option driver" +#define MOD_LICENSE "GPL" + +#define HSO_MAX_NET_DEVICES 10 +#define HSO__MAX_MTU 2048 +#define DEFAULT_MTU 1500 +#define DEFAULT_MRU 1500 + +#define CTRL_URB_RX_SIZE 1024 +#define CTRL_URB_TX_SIZE 64 + +#define BULK_URB_RX_SIZE 4096 +#define BULK_URB_TX_SIZE 8192 + +#define MUX_BULK_RX_BUF_SIZE HSO__MAX_MTU +#define MUX_BULK_TX_BUF_SIZE HSO__MAX_MTU +#define MUX_BULK_RX_BUF_COUNT 4 +#define USB_TYPE_OPTION_VENDOR 0x20 + +/* These definitions are used with the struct hso_net flags element */ +/* - use *_bit operations on it. (bit indices not values.) */ +#define HSO_NET_RUNNING 0 + +#define HSO_NET_TX_TIMEOUT (HZ*10) + +/* Serial port defines and structs. */ +#define HSO_SERIAL_FLAG_RX_SENT 0 + +#define HSO_SERIAL_MAGIC 0x48534f31 + +/* Number of ttys to handle */ +#define HSO_SERIAL_TTY_MINORS 256 + +#define MAX_RX_URBS 2 + +#define get_serial_by_tty(x) \ + (x ? (struct hso_serial *)x->driver_data : NULL) + +/*****************************************************************************/ +/* Debugging functions */ +/*****************************************************************************/ +#define D__(lvl_, fmt, arg...) \ + do { \ + printk(lvl_ "[%d:%s]: " fmt "\n", \ + __LINE__, __func__, ## arg); \ + } while (0) + +#define D_(lvl, args...) \ + do { \ + if (lvl & debug) \ + D__(KERN_INFO, args); \ + } while (0) + +#define D1(args...) D_(0x01, ##args) +#define D2(args...) D_(0x02, ##args) +#define D3(args...) D_(0x04, ##args) +#define D4(args...) D_(0x08, ##args) +#define D5(args...) D_(0x10, ##args) + +/*****************************************************************************/ +/* Enumerators */ +/*****************************************************************************/ +enum pkt_parse_state { + WAIT_IP, + WAIT_DATA, + WAIT_SYNC +}; + +/*****************************************************************************/ +/* Structs */ +/*****************************************************************************/ + +struct hso_shared_int { + struct usb_endpoint_descriptor *intr_endp; + void *shared_intr_buf; + struct urb *shared_intr_urb; + struct usb_device *usb; + int use_count; + int ref_count; + struct mutex shared_int_lock; +}; + +struct hso_net { + struct hso_device *parent; + struct net_device *net; + struct rfkill *rfkill; + + struct usb_endpoint_descriptor *in_endp; + struct usb_endpoint_descriptor *out_endp; + + struct urb *mux_bulk_rx_urb_pool[MUX_BULK_RX_BUF_COUNT]; + struct urb *mux_bulk_tx_urb; + void *mux_bulk_rx_buf_pool[MUX_BULK_RX_BUF_COUNT]; + void *mux_bulk_tx_buf; + + struct sk_buff *skb_rx_buf; + struct sk_buff *skb_tx_buf; + + enum pkt_parse_state rx_parse_state; + spinlock_t net_lock; + + unsigned short rx_buf_size; + unsigned short rx_buf_missing; + struct iphdr rx_ip_hdr; + + unsigned long flags; +}; + +struct hso_serial { + struct hso_device *parent; + int magic; + u8 minor; + + struct hso_shared_int *shared_int; + + /* rx/tx urb could be either a bulk urb or a control urb depending + on which serial port it is used on. */ + struct urb *rx_urb[MAX_RX_URBS]; + u8 num_rx_urbs; + u8 *rx_data[MAX_RX_URBS]; + u16 rx_data_length; /* should contain allocated length */ + + struct urb *tx_urb; + u8 *tx_data; + u8 *tx_buffer; + u16 tx_data_length; /* should contain allocated length */ + u16 tx_data_count; + u16 tx_buffer_count; + struct usb_ctrlrequest ctrl_req_tx; + struct usb_ctrlrequest ctrl_req_rx; + + struct usb_endpoint_descriptor *in_endp; + struct usb_endpoint_descriptor *out_endp; + + unsigned long flags; + u8 rts_state; + u8 dtr_state; + unsigned tx_urb_used:1; + + /* from usb_serial_port */ + struct tty_struct *tty; + int open_count; + spinlock_t serial_lock; + + int (*write_data) (struct hso_serial *serial); +}; + +struct hso_device { + union { + struct hso_serial *dev_serial; + struct hso_net *dev_net; + } port_data; + + u32 port_spec; + + u8 is_active; + u8 usb_gone; + struct work_struct async_get_intf; + struct work_struct async_put_intf; + + struct usb_device *usb; + struct usb_interface *interface; + + struct device *dev; + struct kref ref; + struct mutex mutex; +}; + +/* Type of interface */ +#define HSO_INTF_MASK 0xFF00 +#define HSO_INTF_MUX 0x0100 +#define HSO_INTF_BULK 0x0200 + +/* Type of port */ +#define HSO_PORT_MASK 0xFF +#define HSO_PORT_NO_PORT 0x0 +#define HSO_PORT_CONTROL 0x1 +#define HSO_PORT_APP 0x2 +#define HSO_PORT_GPS 0x3 +#define HSO_PORT_PCSC 0x4 +#define HSO_PORT_APP2 0x5 +#define HSO_PORT_GPS_CONTROL 0x6 +#define HSO_PORT_MSD 0x7 +#define HSO_PORT_VOICE 0x8 +#define HSO_PORT_DIAG2 0x9 +#define HSO_PORT_DIAG 0x10 +#define HSO_PORT_MODEM 0x11 +#define HSO_PORT_NETWORK 0x12 + +/* Additional device info */ +#define HSO_INFO_MASK 0xFF000000 +#define HSO_INFO_CRC_BUG 0x01000000 + +/*****************************************************************************/ +/* Prototypes */ +/*****************************************************************************/ +/* Serial driver functions */ +static int hso_serial_tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear); +static void ctrl_callback(struct urb *urb); +static void put_rxbuf_data(struct urb *urb, struct hso_serial *serial); +static void hso_kick_transmit(struct hso_serial *serial); +/* Helper functions */ +static int hso_mux_submit_intr_urb(struct hso_shared_int *mux_int, + struct usb_device *usb, gfp_t gfp); +static void log_usb_status(int status, const char *function); +static struct usb_endpoint_descriptor *hso_get_ep(struct usb_interface *intf, + int type, int dir); +static int hso_get_mux_ports(struct usb_interface *intf, unsigned char *ports); +static void hso_free_interface(struct usb_interface *intf); +static int hso_start_serial_device(struct hso_device *hso_dev, gfp_t flags); +static int hso_stop_serial_device(struct hso_device *hso_dev); +static int hso_start_net_device(struct hso_device *hso_dev); +static void hso_free_shared_int(struct hso_shared_int *shared_int); +static int hso_stop_net_device(struct hso_device *hso_dev); +static void hso_serial_ref_free(struct kref *ref); +static void async_get_intf(struct work_struct *data); +static void async_put_intf(struct work_struct *data); +static int hso_put_activity(struct hso_device *hso_dev); +static int hso_get_activity(struct hso_device *hso_dev); + +/*****************************************************************************/ +/* Helping functions */ +/*****************************************************************************/ + +/* #define DEBUG */ + +#define dev2net(x) (x->port_data.dev_net) +#define dev2ser(x) (x->port_data.dev_serial) + +/* Debugging functions */ +#ifdef DEBUG +static void dbg_dump(int line_count, const char *func_name, unsigned char *buf, + unsigned int len) +{ + u8 i = 0; + + printk(KERN_DEBUG "[%d:%s]: len %d", line_count, func_name, len); + + for (i = 0; i < len; i++) { + if (!(i % 16)) + printk("\n 0x%03x: ", i); + printk("%02x ", (unsigned char)buf[i]); + } + printk("\n"); +} + +#define DUMP(buf_, len_) \ + dbg_dump(__LINE__, __func__, buf_, len_) + +#define DUMP1(buf_, len_) \ + do { \ + if (0x01 & debug) \ + DUMP(buf_, len_); \ + } while (0) +#else +#define DUMP(buf_, len_) +#define DUMP1(buf_, len_) +#endif + +/* module parameters */ +static int debug; +static int tty_major; +static int disable_net; + +/* driver info */ +static const char driver_name[] = "hso"; +static const char tty_filename[] = "ttyHS"; +static const char *version = __FILE__ ": " DRIVER_VERSION " " MOD_AUTHOR; +/* the usb driver itself (registered in hso_init) */ +static struct usb_driver hso_driver; +/* serial structures */ +static struct tty_driver *tty_drv; +static struct hso_device *serial_table[HSO_SERIAL_TTY_MINORS]; +static struct hso_device *network_table[HSO_MAX_NET_DEVICES]; +static spinlock_t serial_table_lock; +static struct ktermios *hso_serial_termios[HSO_SERIAL_TTY_MINORS]; +static struct ktermios *hso_serial_termios_locked[HSO_SERIAL_TTY_MINORS]; + +static const s32 default_port_spec[] = { + HSO_INTF_MUX | HSO_PORT_NETWORK, + HSO_INTF_BULK | HSO_PORT_DIAG, + HSO_INTF_BULK | HSO_PORT_MODEM, + 0 +}; + +static const s32 icon321_port_spec[] = { + HSO_INTF_MUX | HSO_PORT_NETWORK, + HSO_INTF_BULK | HSO_PORT_DIAG2, + HSO_INTF_BULK | HSO_PORT_MODEM, + HSO_INTF_BULK | HSO_PORT_DIAG, + 0 +}; + +#define default_port_device(vendor, product) \ + USB_DEVICE(vendor, product), \ + .driver_info = (kernel_ulong_t)default_port_spec + +#define icon321_port_device(vendor, product) \ + USB_DEVICE(vendor, product), \ + .driver_info = (kernel_ulong_t)icon321_port_spec + +/* list of devices we support */ +static const struct usb_device_id hso_ids[] = { + {default_port_device(0x0af0, 0x6711)}, + {default_port_device(0x0af0, 0x6731)}, + {default_port_device(0x0af0, 0x6751)}, + {default_port_device(0x0af0, 0x6771)}, + {default_port_device(0x0af0, 0x6791)}, + {default_port_device(0x0af0, 0x6811)}, + {default_port_device(0x0af0, 0x6911)}, + {default_port_device(0x0af0, 0x6951)}, + {default_port_device(0x0af0, 0x6971)}, + {default_port_device(0x0af0, 0x7011)}, + {default_port_device(0x0af0, 0x7031)}, + {default_port_device(0x0af0, 0x7051)}, + {default_port_device(0x0af0, 0x7071)}, + {default_port_device(0x0af0, 0x7111)}, + {default_port_device(0x0af0, 0x7211)}, + {default_port_device(0x0af0, 0x7251)}, + {default_port_device(0x0af0, 0x7271)}, + {default_port_device(0x0af0, 0x7311)}, + {default_port_device(0x0af0, 0xc031)}, /* Icon-Edge */ + {icon321_port_device(0x0af0, 0xd013)}, /* Module HSxPA */ + {icon321_port_device(0x0af0, 0xd031)}, /* Icon-321 */ + {default_port_device(0x0af0, 0xd033)}, /* Icon-322 */ + {USB_DEVICE(0x0af0, 0x7301)}, /* GE40x */ + {USB_DEVICE(0x0af0, 0x7361)}, /* GE40x */ + {USB_DEVICE(0x0af0, 0x7401)}, /* GI 0401 */ + {USB_DEVICE(0x0af0, 0x7501)}, /* GTM 382 */ + {USB_DEVICE(0x0af0, 0x7601)}, /* GE40x */ + {} +}; +MODULE_DEVICE_TABLE(usb, hso_ids); + +/* Sysfs attribute */ +static ssize_t hso_sysfs_show_porttype(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hso_device *hso_dev = dev->driver_data; + char *port_name; + + if (!hso_dev) + return 0; + + switch (hso_dev->port_spec & HSO_PORT_MASK) { + case HSO_PORT_CONTROL: + port_name = "Control"; + break; + case HSO_PORT_APP: + port_name = "Application"; + break; + case HSO_PORT_APP2: + port_name = "Application2"; + break; + case HSO_PORT_GPS: + port_name = "GPS"; + break; + case HSO_PORT_GPS_CONTROL: + port_name = "GPS Control"; + break; + case HSO_PORT_PCSC: + port_name = "PCSC"; + break; + case HSO_PORT_DIAG: + port_name = "Diagnostic"; + break; + case HSO_PORT_DIAG2: + port_name = "Diagnostic2"; + break; + case HSO_PORT_MODEM: + port_name = "Modem"; + break; + case HSO_PORT_NETWORK: + port_name = "Network"; + break; + default: + port_name = "Unknown"; + break; + } + + return sprintf(buf, "%s\n", port_name); +} +static DEVICE_ATTR(hsotype, S_IRUGO, hso_sysfs_show_porttype, NULL); + +/* converts mux value to a port spec value */ +static u32 hso_mux_to_port(int mux) +{ + u32 result; + + switch (mux) { + case 0x1: + result = HSO_PORT_CONTROL; + break; + case 0x2: + result = HSO_PORT_APP; + break; + case 0x4: + result = HSO_PORT_PCSC; + break; + case 0x8: + result = HSO_PORT_GPS; + break; + case 0x10: + result = HSO_PORT_APP2; + break; + default: + result = HSO_PORT_NO_PORT; + } + return result; +} + +/* converts port spec value to a mux value */ +static u32 hso_port_to_mux(int port) +{ + u32 result; + + switch (port & HSO_PORT_MASK) { + case HSO_PORT_CONTROL: + result = 0x0; + break; + case HSO_PORT_APP: + result = 0x1; + break; + case HSO_PORT_PCSC: + result = 0x2; + break; + case HSO_PORT_GPS: + result = 0x3; + break; + case HSO_PORT_APP2: + result = 0x4; + break; + default: + result = 0x0; + } + return result; +} + +static struct hso_serial *get_serial_by_shared_int_and_type( + struct hso_shared_int *shared_int, + int mux) +{ + int i, port; + + port = hso_mux_to_port(mux); + + for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { + if (serial_table[i] + && (dev2ser(serial_table[i])->shared_int == shared_int) + && ((serial_table[i]->port_spec & HSO_PORT_MASK) == port)) { + return dev2ser(serial_table[i]); + } + } + + return NULL; +} + +static struct hso_serial *get_serial_by_index(unsigned index) +{ + struct hso_serial *serial; + unsigned long flags; + + if (!serial_table[index]) + return NULL; + spin_lock_irqsave(&serial_table_lock, flags); + serial = dev2ser(serial_table[index]); + spin_unlock_irqrestore(&serial_table_lock, flags); + + return serial; +} + +static int get_free_serial_index(void) +{ + int index; + unsigned long flags; + + spin_lock_irqsave(&serial_table_lock, flags); + for (index = 0; index < HSO_SERIAL_TTY_MINORS; index++) { + if (serial_table[index] == NULL) { + spin_unlock_irqrestore(&serial_table_lock, flags); + return index; + } + } + spin_unlock_irqrestore(&serial_table_lock, flags); + + printk(KERN_ERR "%s: no free serial devices in table\n", __func__); + return -1; +} + +static void set_serial_by_index(unsigned index, struct hso_serial *serial) +{ + unsigned long flags; + spin_lock_irqsave(&serial_table_lock, flags); + if (serial) + serial_table[index] = serial->parent; + else + serial_table[index] = NULL; + spin_unlock_irqrestore(&serial_table_lock, flags); +} + +/* log a meaningfull explanation of an USB status */ +static void log_usb_status(int status, const char *function) +{ + char *explanation; + + switch (status) { + case -ENODEV: + explanation = "no device"; + break; + case -ENOENT: + explanation = "endpoint not enabled"; + break; + case -EPIPE: + explanation = "endpoint stalled"; + break; + case -ENOSPC: + explanation = "not enough bandwidth"; + break; + case -ESHUTDOWN: + explanation = "device disabled"; + break; + case -EHOSTUNREACH: + explanation = "device suspended"; + break; + case -EINVAL: + case -EAGAIN: + case -EFBIG: + case -EMSGSIZE: + explanation = "internal error"; + break; + default: + explanation = "unknown status"; + break; + } + D1("%s: received USB status - %s (%d)", function, explanation, status); +} + +/* Network interface functions */ + +/* called when net interface is brought up by ifconfig */ +static int hso_net_open(struct net_device *net) +{ + struct hso_net *odev = netdev_priv(net); + unsigned long flags = 0; + + if (!odev) { + dev_err(&net->dev, "No net device !\n"); + return -ENODEV; + } + + odev->skb_tx_buf = NULL; + + /* setup environment */ + spin_lock_irqsave(&odev->net_lock, flags); + odev->rx_parse_state = WAIT_IP; + odev->rx_buf_size = 0; + odev->rx_buf_missing = sizeof(struct iphdr); + spin_unlock_irqrestore(&odev->net_lock, flags); + + hso_start_net_device(odev->parent); + + /* We are up and running. */ + set_bit(HSO_NET_RUNNING, &odev->flags); + + /* Tell the kernel we are ready to start receiving from it */ + netif_start_queue(net); + + return 0; +} + +/* called when interface is brought down by ifconfig */ +static int hso_net_close(struct net_device *net) +{ + struct hso_net *odev = netdev_priv(net); + + /* we don't need the queue anymore */ + netif_stop_queue(net); + /* no longer running */ + clear_bit(HSO_NET_RUNNING, &odev->flags); + + hso_stop_net_device(odev->parent); + + /* done */ + return 0; +} + +/* USB tells is xmit done, we should start the netqueue again */ +static void write_bulk_callback(struct urb *urb) +{ + struct hso_net *odev = urb->context; + int status = urb->status; + + /* Sanity check */ + if (!odev || !test_bit(HSO_NET_RUNNING, &odev->flags)) { + dev_err(&urb->dev->dev, "%s: device not running\n", __func__); + return; + } + + /* Do we still have a valid kernel network device? */ + if (!netif_device_present(odev->net)) { + dev_err(&urb->dev->dev, "%s: net device not present\n", + __func__); + return; + } + + /* log status, but don't act on it, we don't need to resubmit anything + * anyhow */ + if (status) + log_usb_status(status, __func__); + + hso_put_activity(odev->parent); + + /* Tell the network interface we are ready for another frame */ + netif_wake_queue(odev->net); +} + +/* called by kernel when we need to transmit a packet */ +static int hso_net_start_xmit(struct sk_buff *skb, struct net_device *net) +{ + struct hso_net *odev = netdev_priv(net); + int result; + + /* Tell the kernel, "No more frames 'til we are done with this one." */ + netif_stop_queue(net); + if (hso_get_activity(odev->parent) == -EAGAIN) { + odev->skb_tx_buf = skb; + return 0; + } + + /* log if asked */ + DUMP1(skb->data, skb->len); + /* Copy it from kernel memory to OUR memory */ + memcpy(odev->mux_bulk_tx_buf, skb->data, skb->len); + D1("len: %d/%d", skb->len, MUX_BULK_TX_BUF_SIZE); + + /* Fill in the URB for shipping it out. */ + usb_fill_bulk_urb(odev->mux_bulk_tx_urb, + odev->parent->usb, + usb_sndbulkpipe(odev->parent->usb, + odev->out_endp-> + bEndpointAddress & 0x7F), + odev->mux_bulk_tx_buf, skb->len, write_bulk_callback, + odev); + + /* Deal with the Zero Length packet problem, I hope */ + odev->mux_bulk_tx_urb->transfer_flags |= URB_ZERO_PACKET; + + /* Send the URB on its merry way. */ + result = usb_submit_urb(odev->mux_bulk_tx_urb, GFP_ATOMIC); + if (result) { + dev_warn(&odev->parent->interface->dev, + "failed mux_bulk_tx_urb %d", result); + net->stats.tx_errors++; + netif_start_queue(net); + } else { + net->stats.tx_packets++; + net->stats.tx_bytes += skb->len; + /* And tell the kernel when the last transmit started. */ + net->trans_start = jiffies; + } + dev_kfree_skb(skb); + /* we're done */ + return result; +} + +static void hso_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) +{ + struct hso_net *odev = netdev_priv(net); + + strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN); + strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); + usb_make_path(odev->parent->usb, info->bus_info, sizeof info->bus_info); +} + +static struct ethtool_ops ops = { + .get_drvinfo = hso_get_drvinfo, + .get_link = ethtool_op_get_link +}; + +/* called when a packet did not ack after watchdogtimeout */ +static void hso_net_tx_timeout(struct net_device *net) +{ + struct hso_net *odev = netdev_priv(net); + + if (!odev) + return; + + /* Tell syslog we are hosed. */ + dev_warn(&net->dev, "Tx timed out.\n"); + + /* Tear the waiting frame off the list */ + if (odev->mux_bulk_tx_urb + && (odev->mux_bulk_tx_urb->status == -EINPROGRESS)) + usb_unlink_urb(odev->mux_bulk_tx_urb); + + /* Update statistics */ + net->stats.tx_errors++; +} + +/* make a real packet from the received USB buffer */ +static void packetizeRx(struct hso_net *odev, unsigned char *ip_pkt, + unsigned int count, unsigned char is_eop) +{ + unsigned short temp_bytes; + unsigned short buffer_offset = 0; + unsigned short frame_len; + unsigned char *tmp_rx_buf; + + /* log if needed */ + D1("Rx %d bytes", count); + DUMP(ip_pkt, min(128, (int)count)); + + while (count) { + switch (odev->rx_parse_state) { + case WAIT_IP: + /* waiting for IP header. */ + /* wanted bytes - size of ip header */ + temp_bytes = + (count < + odev->rx_buf_missing) ? count : odev-> + rx_buf_missing; + + memcpy(((unsigned char *)(&odev->rx_ip_hdr)) + + odev->rx_buf_size, ip_pkt + buffer_offset, + temp_bytes); + + odev->rx_buf_size += temp_bytes; + buffer_offset += temp_bytes; + odev->rx_buf_missing -= temp_bytes; + count -= temp_bytes; + + if (!odev->rx_buf_missing) { + /* header is complete allocate an sk_buffer and + * continue to WAIT_DATA */ + frame_len = ntohs(odev->rx_ip_hdr.tot_len); + + if ((frame_len > DEFAULT_MRU) || + (frame_len < sizeof(struct iphdr))) { + dev_err(&odev->net->dev, + "Invalid frame (%d) length\n", + frame_len); + odev->rx_parse_state = WAIT_SYNC; + continue; + } + /* Allocate an sk_buff */ + odev->skb_rx_buf = dev_alloc_skb(frame_len); + if (!odev->skb_rx_buf) { + /* We got no receive buffer. */ + D1("could not allocate memory"); + odev->rx_parse_state = WAIT_SYNC; + return; + } + /* Here's where it came from */ + odev->skb_rx_buf->dev = odev->net; + + /* Copy what we got so far. make room for iphdr + * after tail. */ + tmp_rx_buf = + skb_put(odev->skb_rx_buf, + sizeof(struct iphdr)); + memcpy(tmp_rx_buf, (char *)&(odev->rx_ip_hdr), + sizeof(struct iphdr)); + + /* ETH_HLEN */ + odev->rx_buf_size = sizeof(struct iphdr); + + /* Filip actually use .tot_len */ + odev->rx_buf_missing = + frame_len - sizeof(struct iphdr); + odev->rx_parse_state = WAIT_DATA; + } + break; + + case WAIT_DATA: + temp_bytes = (count < odev->rx_buf_missing) + ? count : odev->rx_buf_missing; + + /* Copy the rest of the bytes that are left in the + * buffer into the waiting sk_buf. */ + /* Make room for temp_bytes after tail. */ + tmp_rx_buf = skb_put(odev->skb_rx_buf, temp_bytes); + memcpy(tmp_rx_buf, ip_pkt + buffer_offset, temp_bytes); + + odev->rx_buf_missing -= temp_bytes; + count -= temp_bytes; + buffer_offset += temp_bytes; + odev->rx_buf_size += temp_bytes; + if (!odev->rx_buf_missing) { + /* Packet is complete. Inject into stack. */ + /* We have IP packet here */ + odev->skb_rx_buf->protocol = + __constant_htons(ETH_P_IP); + /* don't check it */ + odev->skb_rx_buf->ip_summed = + CHECKSUM_UNNECESSARY; + + skb_reset_mac_header(odev->skb_rx_buf); + + /* Ship it off to the kernel */ + netif_rx(odev->skb_rx_buf); + /* No longer our buffer. */ + odev->skb_rx_buf = NULL; + + /* update out statistics */ + odev->net->stats.rx_packets++; + + odev->net->stats.rx_bytes += odev->rx_buf_size; + + odev->rx_buf_size = 0; + odev->rx_buf_missing = sizeof(struct iphdr); + odev->rx_parse_state = WAIT_IP; + } + break; + + case WAIT_SYNC: + D1(" W_S"); + count = 0; + break; + default: + D1(" "); + count--; + break; + } + } + + /* Recovery mechanism for WAIT_SYNC state. */ + if (is_eop) { + if (odev->rx_parse_state == WAIT_SYNC) { + odev->rx_parse_state = WAIT_IP; + odev->rx_buf_size = 0; + odev->rx_buf_missing = sizeof(struct iphdr); + } + } +} + +/* Moving data from usb to kernel (in interrupt state) */ +static void read_bulk_callback(struct urb *urb) +{ + struct hso_net *odev = urb->context; + struct net_device *net; + int result; + int status = urb->status; + + /* is al ok? (Filip: Who's Al ?) */ + if (status) { + log_usb_status(status, __func__); + return; + } + + /* Sanity check */ + if (!odev || !test_bit(HSO_NET_RUNNING, &odev->flags)) { + D1("BULK IN callback but driver is not active!"); + return; + } + usb_mark_last_busy(urb->dev); + + net = odev->net; + + if (!netif_device_present(net)) { + /* Somebody killed our network interface... */ + return; + } + + if (odev->parent->port_spec & HSO_INFO_CRC_BUG) { + u32 rest; + u8 crc_check[4] = { 0xDE, 0xAD, 0xBE, 0xEF }; + rest = urb->actual_length % odev->in_endp->wMaxPacketSize; + if (((rest == 5) || (rest == 6)) + && !memcmp(((u8 *) urb->transfer_buffer) + + urb->actual_length - 4, crc_check, 4)) { + urb->actual_length -= 4; + } + } + + /* do we even have a packet? */ + if (urb->actual_length) { + /* Handle the IP stream, add header and push it onto network + * stack if the packet is complete. */ + spin_lock(&odev->net_lock); + packetizeRx(odev, urb->transfer_buffer, urb->actual_length, + (urb->transfer_buffer_length > + urb->actual_length) ? 1 : 0); + spin_unlock(&odev->net_lock); + } + + /* We are done with this URB, resubmit it. Prep the USB to wait for + * another frame. Reuse same as received. */ + usb_fill_bulk_urb(urb, + odev->parent->usb, + usb_rcvbulkpipe(odev->parent->usb, + odev->in_endp-> + bEndpointAddress & 0x7F), + urb->transfer_buffer, MUX_BULK_RX_BUF_SIZE, + read_bulk_callback, odev); + + /* Give this to the USB subsystem so it can tell us when more data + * arrives. */ + result = usb_submit_urb(urb, GFP_ATOMIC); + if (result) + dev_warn(&odev->parent->interface->dev, + "%s failed submit mux_bulk_rx_urb %d", __func__, + result); +} + +/* Serial driver functions */ + +static void _hso_serial_set_termios(struct tty_struct *tty, + struct ktermios *old) +{ + struct hso_serial *serial = get_serial_by_tty(tty); + struct ktermios *termios; + + if ((!tty) || (!tty->termios) || (!serial)) { + printk(KERN_ERR "%s: no tty structures", __func__); + return; + } + + D4("port %d", serial->minor); + + /* + * The default requirements for this device are: + */ + termios = tty->termios; + termios->c_iflag &= + ~(IGNBRK /* disable ignore break */ + | BRKINT /* disable break causes interrupt */ + | PARMRK /* disable mark parity errors */ + | ISTRIP /* disable clear high bit of input characters */ + | INLCR /* disable translate NL to CR */ + | IGNCR /* disable ignore CR */ + | ICRNL /* disable translate CR to NL */ + | IXON); /* disable enable XON/XOFF flow control */ + + /* disable postprocess output characters */ + termios->c_oflag &= ~OPOST; + + termios->c_lflag &= + ~(ECHO /* disable echo input characters */ + | ECHONL /* disable echo new line */ + | ICANON /* disable erase, kill, werase, and rprnt + special characters */ + | ISIG /* disable interrupt, quit, and suspend special + characters */ + | IEXTEN); /* disable non-POSIX special characters */ + + termios->c_cflag &= + ~(CSIZE /* no size */ + | PARENB /* disable parity bit */ + | CBAUD /* clear current baud rate */ + | CBAUDEX); /* clear current buad rate */ + + termios->c_cflag |= CS8; /* character size 8 bits */ + + /* baud rate 115200 */ + tty_encode_baud_rate(serial->tty, 115200, 115200); + + /* + * Force low_latency on; otherwise the pushes are scheduled; + * this is bad as it opens up the possibility of dropping bytes + * on the floor. We don't want to drop bytes on the floor. :) + */ + serial->tty->low_latency = 1; + return; +} + +/* open the requested serial port */ +static int hso_serial_open(struct tty_struct *tty, struct file *filp) +{ + struct hso_serial *serial = get_serial_by_index(tty->index); + int result; + + /* sanity check */ + if (serial == NULL || serial->magic != HSO_SERIAL_MAGIC) { + tty->driver_data = NULL; + D1("Failed to open port"); + return -ENODEV; + } + + mutex_lock(&serial->parent->mutex); + result = usb_autopm_get_interface(serial->parent->interface); + if (result < 0) + goto err_out; + + D1("Opening %d", serial->minor); + kref_get(&serial->parent->ref); + + /* setup */ + tty->driver_data = serial; + serial->tty = tty; + + /* check for port allready opened, if not set the termios */ + serial->open_count++; + if (serial->open_count == 1) { + tty->low_latency = 1; + serial->flags = 0; + /* Force default termio settings */ + _hso_serial_set_termios(tty, NULL); + result = hso_start_serial_device(serial->parent, GFP_KERNEL); + if (result) { + hso_stop_serial_device(serial->parent); + serial->open_count--; + kref_put(&serial->parent->ref, hso_serial_ref_free); + } + } else { + D1("Port was already open"); + } + + usb_autopm_put_interface(serial->parent->interface); + + /* done */ + if (result) + hso_serial_tiocmset(tty, NULL, TIOCM_RTS | TIOCM_DTR, 0); +err_out: + mutex_unlock(&serial->parent->mutex); + return result; +} + +/* close the requested serial port */ +static void hso_serial_close(struct tty_struct *tty, struct file *filp) +{ + struct hso_serial *serial = tty->driver_data; + u8 usb_gone; + + D1("Closing serial port"); + + mutex_lock(&serial->parent->mutex); + usb_gone = serial->parent->usb_gone; + + if (!usb_gone) + usb_autopm_get_interface(serial->parent->interface); + + /* reset the rts and dtr */ + /* do the actual close */ + serial->open_count--; + if (serial->open_count <= 0) { + kref_put(&serial->parent->ref, hso_serial_ref_free); + serial->open_count = 0; + if (serial->tty) { + serial->tty->driver_data = NULL; + serial->tty = NULL; + } + if (!usb_gone) + hso_stop_serial_device(serial->parent); + } + if (!usb_gone) + usb_autopm_put_interface(serial->parent->interface); + mutex_unlock(&serial->parent->mutex); +} + +/* close the requested serial port */ +static int hso_serial_write(struct tty_struct *tty, const unsigned char *buf, + int count) +{ + struct hso_serial *serial = get_serial_by_tty(tty); + int space, tx_bytes; + unsigned long flags; + + /* sanity check */ + if (serial == NULL) { + printk(KERN_ERR "%s: serial is NULL\n", __func__); + return -ENODEV; + } + + spin_lock_irqsave(&serial->serial_lock, flags); + + space = serial->tx_data_length - serial->tx_buffer_count; + tx_bytes = (count < space) ? count : space; + + if (!tx_bytes) + goto out; + + memcpy(serial->tx_buffer + serial->tx_buffer_count, buf, tx_bytes); + serial->tx_buffer_count += tx_bytes; + +out: + spin_unlock_irqrestore(&serial->serial_lock, flags); + + hso_kick_transmit(serial); + /* done */ + return tx_bytes; +} + +/* how much room is there for writing */ +static int hso_serial_write_room(struct tty_struct *tty) +{ + struct hso_serial *serial = get_serial_by_tty(tty); + int room; + unsigned long flags; + + spin_lock_irqsave(&serial->serial_lock, flags); + room = serial->tx_data_length - serial->tx_buffer_count; + spin_unlock_irqrestore(&serial->serial_lock, flags); + + /* return free room */ + return room; +} + +/* setup the term */ +static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old) +{ + struct hso_serial *serial = get_serial_by_tty(tty); + unsigned long flags; + + if (old) + D5("Termios called with: cflags new[%d] - old[%d]", + tty->termios->c_cflag, old->c_cflag); + + /* the actual setup */ + spin_lock_irqsave(&serial->serial_lock, flags); + if (serial->open_count) + _hso_serial_set_termios(tty, old); + else + tty->termios = old; + spin_unlock_irqrestore(&serial->serial_lock, flags); + + /* done */ + return; +} + +/* how many characters in the buffer */ +static int hso_serial_chars_in_buffer(struct tty_struct *tty) +{ + struct hso_serial *serial = get_serial_by_tty(tty); + int chars; + unsigned long flags; + + /* sanity check */ + if (serial == NULL) + return 0; + + spin_lock_irqsave(&serial->serial_lock, flags); + chars = serial->tx_buffer_count; + spin_unlock_irqrestore(&serial->serial_lock, flags); + + return chars; +} + +static int hso_serial_tiocmget(struct tty_struct *tty, struct file *file) +{ + unsigned int value; + struct hso_serial *serial = get_serial_by_tty(tty); + unsigned long flags; + + /* sanity check */ + if (!serial) { + D1("no tty structures"); + return -EINVAL; + } + + spin_lock_irqsave(&serial->serial_lock, flags); + value = ((serial->rts_state) ? TIOCM_RTS : 0) | + ((serial->dtr_state) ? TIOCM_DTR : 0); + spin_unlock_irqrestore(&serial->serial_lock, flags); + + return value; +} + +static int hso_serial_tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear) +{ + int val = 0; + unsigned long flags; + int if_num; + struct hso_serial *serial = get_serial_by_tty(tty); + + /* sanity check */ + if (!serial) { + D1("no tty structures"); + return -EINVAL; + } + if_num = serial->parent->interface->altsetting->desc.bInterfaceNumber; + + spin_lock_irqsave(&serial->serial_lock, flags); + if (set & TIOCM_RTS) + serial->rts_state = 1; + if (set & TIOCM_DTR) + serial->dtr_state = 1; + + if (clear & TIOCM_RTS) + serial->rts_state = 0; + if (clear & TIOCM_DTR) + serial->dtr_state = 0; + + if (serial->dtr_state) + val |= 0x01; + if (serial->rts_state) + val |= 0x02; + + spin_unlock_irqrestore(&serial->serial_lock, flags); + + return usb_control_msg(serial->parent->usb, + usb_rcvctrlpipe(serial->parent->usb, 0), 0x22, + 0x21, val, if_num, NULL, 0, + USB_CTRL_SET_TIMEOUT); +} + +/* starts a transmit */ +static void hso_kick_transmit(struct hso_serial *serial) +{ + u8 *temp; + unsigned long flags; + int res; + + spin_lock_irqsave(&serial->serial_lock, flags); + if (!serial->tx_buffer_count) + goto out; + + if (serial->tx_urb_used) + goto out; + + /* Wakeup USB interface if necessary */ + if (hso_get_activity(serial->parent) == -EAGAIN) + goto out; + + /* Switch pointers around to avoid memcpy */ + temp = serial->tx_buffer; + serial->tx_buffer = serial->tx_data; + serial->tx_data = temp; + serial->tx_data_count = serial->tx_buffer_count; + serial->tx_buffer_count = 0; + + /* If temp is set, it means we switched buffers */ + if (temp && serial->write_data) { + res = serial->write_data(serial); + if (res >= 0) + serial->tx_urb_used = 1; + } +out: + spin_unlock_irqrestore(&serial->serial_lock, flags); +} + +/* make a request (for reading and writing data to muxed serial port) */ +static int mux_device_request(struct hso_serial *serial, u8 type, u16 port, + struct urb *ctrl_urb, + struct usb_ctrlrequest *ctrl_req, + u8 *ctrl_urb_data, u32 size) +{ + int result; + int pipe; + + /* Sanity check */ + if (!serial || !ctrl_urb || !ctrl_req) { + printk(KERN_ERR "%s: Wrong arguments\n", __func__); + return -EINVAL; + } + + /* initialize */ + ctrl_req->wValue = 0; + ctrl_req->wIndex = hso_port_to_mux(port); + ctrl_req->wLength = size; + + if (type == USB_CDC_GET_ENCAPSULATED_RESPONSE) { + /* Reading command */ + ctrl_req->bRequestType = USB_DIR_IN | + USB_TYPE_OPTION_VENDOR | + USB_RECIP_INTERFACE; + ctrl_req->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE; + pipe = usb_rcvctrlpipe(serial->parent->usb, 0); + } else { + /* Writing command */ + ctrl_req->bRequestType = USB_DIR_OUT | + USB_TYPE_OPTION_VENDOR | + USB_RECIP_INTERFACE; + ctrl_req->bRequest = USB_CDC_SEND_ENCAPSULATED_COMMAND; + pipe = usb_sndctrlpipe(serial->parent->usb, 0); + } + /* syslog */ + D2("%s command (%02x) len: %d, port: %d", + type == USB_CDC_GET_ENCAPSULATED_RESPONSE ? "Read" : "Write", + ctrl_req->bRequestType, ctrl_req->wLength, port); + + /* Load ctrl urb */ + ctrl_urb->transfer_flags = 0; + usb_fill_control_urb(ctrl_urb, + serial->parent->usb, + pipe, + (u8 *) ctrl_req, + ctrl_urb_data, size, ctrl_callback, serial); + /* Send it on merry way */ + result = usb_submit_urb(ctrl_urb, GFP_ATOMIC); + if (result) { + dev_err(&ctrl_urb->dev->dev, + "%s failed submit ctrl_urb %d type %d", __func__, + result, type); + return result; + } + + /* done */ + return size; +} + +/* called by intr_callback when read occurs */ +static int hso_mux_serial_read(struct hso_serial *serial) +{ + if (!serial) + return -EINVAL; + + /* clean data */ + memset(serial->rx_data[0], 0, CTRL_URB_RX_SIZE); + /* make the request */ + + if (serial->num_rx_urbs != 1) { + dev_err(&serial->parent->interface->dev, + "ERROR: mux'd reads with multiple buffers " + "not possible\n"); + return 0; + } + return mux_device_request(serial, + USB_CDC_GET_ENCAPSULATED_RESPONSE, + serial->parent->port_spec & HSO_PORT_MASK, + serial->rx_urb[0], + &serial->ctrl_req_rx, + serial->rx_data[0], serial->rx_data_length); +} + +/* used for muxed serial port callback (muxed serial read) */ +static void intr_callback(struct urb *urb) +{ + struct hso_shared_int *shared_int = urb->context; + struct hso_serial *serial; + unsigned char *port_req; + int status = urb->status; + int i; + + usb_mark_last_busy(urb->dev); + + /* sanity check */ + if (!shared_int) + return; + + /* status check */ + if (status) { + log_usb_status(status, __func__); + return; + } + D4("\n--- Got intr callback 0x%02X ---", status); + + /* what request? */ + port_req = urb->transfer_buffer; + D4(" port_req = 0x%.2X\n", *port_req); + /* loop over all muxed ports to find the one sending this */ + for (i = 0; i < 8; i++) { + /* max 8 channels on MUX */ + if (*port_req & (1 << i)) { + serial = get_serial_by_shared_int_and_type(shared_int, + (1 << i)); + if (serial != NULL) { + D1("Pending read interrupt on port %d\n", i); + if (!test_and_set_bit(HSO_SERIAL_FLAG_RX_SENT, + &serial->flags)) { + /* Setup and send a ctrl req read on + * port i */ + hso_mux_serial_read(serial); + } else { + D1("Already pending a read on " + "port %d\n", i); + } + } + } + } + /* Resubmit interrupt urb */ + hso_mux_submit_intr_urb(shared_int, urb->dev, GFP_ATOMIC); +} + +/* called for writing to muxed serial port */ +static int hso_mux_serial_write_data(struct hso_serial *serial) +{ + if (NULL == serial) + return -EINVAL; + + return mux_device_request(serial, + USB_CDC_SEND_ENCAPSULATED_COMMAND, + serial->parent->port_spec & HSO_PORT_MASK, + serial->tx_urb, + &serial->ctrl_req_tx, + serial->tx_data, serial->tx_data_count); +} + +/* write callback for Diag and CS port */ +static void hso_std_serial_write_bulk_callback(struct urb *urb) +{ + struct hso_serial *serial = urb->context; + int status = urb->status; + + /* sanity check */ + if (!serial) { + D1("serial == NULL"); + return; + } + + spin_lock(&serial->serial_lock); + serial->tx_urb_used = 0; + spin_unlock(&serial->serial_lock); + if (status) { + log_usb_status(status, __func__); + return; + } + hso_put_activity(serial->parent); + tty_wakeup(serial->tty); + hso_kick_transmit(serial); + + D1(" "); + return; +} + +/* called for writing diag or CS serial port */ +static int hso_std_serial_write_data(struct hso_serial *serial) +{ + int count = serial->tx_data_count; + int result; + + usb_fill_bulk_urb(serial->tx_urb, + serial->parent->usb, + usb_sndbulkpipe(serial->parent->usb, + serial->out_endp-> + bEndpointAddress & 0x7F), + serial->tx_data, serial->tx_data_count, + hso_std_serial_write_bulk_callback, serial); + + result = usb_submit_urb(serial->tx_urb, GFP_ATOMIC); + if (result) { + dev_warn(&serial->parent->usb->dev, + "Failed to submit urb - res %d\n", result); + return result; + } + + return count; +} + +/* callback after read or write on muxed serial port */ +static void ctrl_callback(struct urb *urb) +{ + struct hso_serial *serial = urb->context; + struct usb_ctrlrequest *req; + int status = urb->status; + + /* sanity check */ + if (!serial) + return; + + spin_lock(&serial->serial_lock); + serial->tx_urb_used = 0; + spin_unlock(&serial->serial_lock); + if (status) { + log_usb_status(status, __func__); + return; + } + + /* what request? */ + req = (struct usb_ctrlrequest *)(urb->setup_packet); + D4("\n--- Got muxed ctrl callback 0x%02X ---", status); + D4("Actual length of urb = %d\n", urb->actual_length); + DUMP1(urb->transfer_buffer, urb->actual_length); + + if (req->bRequestType == + (USB_DIR_IN | USB_TYPE_OPTION_VENDOR | USB_RECIP_INTERFACE)) { + /* response to a read command */ + if (serial->open_count > 0) { + /* handle RX data the normal way */ + put_rxbuf_data(urb, serial); + } + + /* Re issue a read as long as we receive data. */ + if (urb->actual_length != 0) + hso_mux_serial_read(serial); + else + clear_bit(HSO_SERIAL_FLAG_RX_SENT, &serial->flags); + } else { + hso_put_activity(serial->parent); + tty_wakeup(serial->tty); + /* response to a write command */ + hso_kick_transmit(serial); + } +} + +/* handle RX data for serial port */ +static void put_rxbuf_data(struct urb *urb, struct hso_serial *serial) +{ + struct tty_struct *tty = serial->tty; + + /* Sanity check */ + if (urb == NULL || serial == NULL) { + D1("serial = NULL"); + return; + } + + /* Push data to tty */ + if (tty && urb->actual_length) { + D1("data to push to tty"); + tty_insert_flip_string(tty, urb->transfer_buffer, + urb->actual_length); + tty_flip_buffer_push(tty); + } +} + +/* read callback for Diag and CS port */ +static void hso_std_serial_read_bulk_callback(struct urb *urb) +{ + struct hso_serial *serial = urb->context; + int result; + int status = urb->status; + + /* sanity check */ + if (!serial) { + D1("serial == NULL"); + return; + } else if (status) { + log_usb_status(status, __func__); + return; + } + + D4("\n--- Got serial_read_bulk callback %02x ---", status); + D1("Actual length = %d\n", urb->actual_length); + DUMP1(urb->transfer_buffer, urb->actual_length); + + /* Anyone listening? */ + if (serial->open_count == 0) + return; + + if (status == 0) { + if (serial->parent->port_spec & HSO_INFO_CRC_BUG) { + u32 rest; + u8 crc_check[4] = { 0xDE, 0xAD, 0xBE, 0xEF }; + rest = + urb->actual_length % + serial->in_endp->wMaxPacketSize; + if (((rest == 5) || (rest == 6)) + && !memcmp(((u8 *) urb->transfer_buffer) + + urb->actual_length - 4, crc_check, 4)) { + urb->actual_length -= 4; + } + } + /* Valid data, handle RX data */ + put_rxbuf_data(urb, serial); + } else if (status == -ENOENT || status == -ECONNRESET) { + /* Unlinked - check for throttled port. */ + D2("Port %d, successfully unlinked urb", serial->minor); + } else { + D2("Port %d, status = %d for read urb", serial->minor, status); + return; + } + + usb_mark_last_busy(urb->dev); + + /* We are done with this URB, resubmit it. Prep the USB to wait for + * another frame */ + usb_fill_bulk_urb(urb, serial->parent->usb, + usb_rcvbulkpipe(serial->parent->usb, + serial->in_endp-> + bEndpointAddress & 0x7F), + urb->transfer_buffer, serial->rx_data_length, + hso_std_serial_read_bulk_callback, serial); + /* Give this to the USB subsystem so it can tell us when more data + * arrives. */ + result = usb_submit_urb(urb, GFP_ATOMIC); + if (result) { + dev_err(&urb->dev->dev, "%s failed submit serial rx_urb %d", + __func__, result); + } +} + +/* Base driver functions */ + +static void hso_log_port(struct hso_device *hso_dev) +{ + char *port_type; + char port_dev[20]; + + switch (hso_dev->port_spec & HSO_PORT_MASK) { + case HSO_PORT_CONTROL: + port_type = "Control"; + break; + case HSO_PORT_APP: + port_type = "Application"; + break; + case HSO_PORT_GPS: + port_type = "GPS"; + break; + case HSO_PORT_GPS_CONTROL: + port_type = "GPS control"; + break; + case HSO_PORT_APP2: + port_type = "Application2"; + break; + case HSO_PORT_PCSC: + port_type = "PCSC"; + break; + case HSO_PORT_DIAG: + port_type = "Diagnostic"; + break; + case HSO_PORT_DIAG2: + port_type = "Diagnostic2"; + break; + case HSO_PORT_MODEM: + port_type = "Modem"; + break; + case HSO_PORT_NETWORK: + port_type = "Network"; + break; + default: + port_type = "Unknown"; + break; + } + if ((hso_dev->port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) { + sprintf(port_dev, "%s", dev2net(hso_dev)->net->name); + } else + sprintf(port_dev, "/dev/%s%d", tty_filename, + dev2ser(hso_dev)->minor); + + dev_dbg(&hso_dev->interface->dev, "HSO: Found %s port %s\n", + port_type, port_dev); +} + +static int hso_start_net_device(struct hso_device *hso_dev) +{ + int i, result = 0; + struct hso_net *hso_net = dev2net(hso_dev); + + if (!hso_net) + return -ENODEV; + + /* send URBs for all read buffers */ + for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { + + /* Prep a receive URB */ + usb_fill_bulk_urb(hso_net->mux_bulk_rx_urb_pool[i], + hso_dev->usb, + usb_rcvbulkpipe(hso_dev->usb, + hso_net->in_endp-> + bEndpointAddress & 0x7F), + hso_net->mux_bulk_rx_buf_pool[i], + MUX_BULK_RX_BUF_SIZE, read_bulk_callback, + hso_net); + + /* Put it out there so the device can send us stuff */ + result = usb_submit_urb(hso_net->mux_bulk_rx_urb_pool[i], + GFP_NOIO); + if (result) + dev_warn(&hso_dev->usb->dev, + "%s failed mux_bulk_rx_urb[%d] %d\n", __func__, + i, result); + } + + return result; +} + +static int hso_stop_net_device(struct hso_device *hso_dev) +{ + int i; + struct hso_net *hso_net = dev2net(hso_dev); + + if (!hso_net) + return -ENODEV; + + for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { + if (hso_net->mux_bulk_rx_urb_pool[i]) + usb_kill_urb(hso_net->mux_bulk_rx_urb_pool[i]); + + } + if (hso_net->mux_bulk_tx_urb) + usb_kill_urb(hso_net->mux_bulk_tx_urb); + + return 0; +} + +static int hso_start_serial_device(struct hso_device *hso_dev, gfp_t flags) +{ + int i, result = 0; + struct hso_serial *serial = dev2ser(hso_dev); + + if (!serial) + return -ENODEV; + + /* If it is not the MUX port fill in and submit a bulk urb (already + * allocated in hso_serial_start) */ + if (!(serial->parent->port_spec & HSO_INTF_MUX)) { + for (i = 0; i < serial->num_rx_urbs; i++) { + usb_fill_bulk_urb(serial->rx_urb[i], + serial->parent->usb, + usb_rcvbulkpipe(serial->parent->usb, + serial->in_endp-> + bEndpointAddress & + 0x7F), + serial->rx_data[i], + serial->rx_data_length, + hso_std_serial_read_bulk_callback, + serial); + result = usb_submit_urb(serial->rx_urb[i], flags); + if (result) { + dev_warn(&serial->parent->usb->dev, + "Failed to submit urb - res %d\n", + result); + break; + } + } + } else { + mutex_lock(&serial->shared_int->shared_int_lock); + if (!serial->shared_int->use_count) { + result = + hso_mux_submit_intr_urb(serial->shared_int, + hso_dev->usb, flags); + } + serial->shared_int->use_count++; + mutex_unlock(&serial->shared_int->shared_int_lock); + } + + return result; +} + +static int hso_stop_serial_device(struct hso_device *hso_dev) +{ + int i; + struct hso_serial *serial = dev2ser(hso_dev); + + if (!serial) + return -ENODEV; + + for (i = 0; i < serial->num_rx_urbs; i++) { + if (serial->rx_urb[i]) + usb_kill_urb(serial->rx_urb[i]); + } + + if (serial->tx_urb) + usb_kill_urb(serial->tx_urb); + + if (serial->shared_int) { + mutex_lock(&serial->shared_int->shared_int_lock); + if (serial->shared_int->use_count && + (--serial->shared_int->use_count == 0)) { + struct urb *urb; + + urb = serial->shared_int->shared_intr_urb; + if (urb) + usb_kill_urb(urb); + } + mutex_unlock(&serial->shared_int->shared_int_lock); + } + + return 0; +} + +static void hso_serial_common_free(struct hso_serial *serial) +{ + int i; + + if (serial->parent->dev) + device_remove_file(serial->parent->dev, &dev_attr_hsotype); + + tty_unregister_device(tty_drv, serial->minor); + + for (i = 0; i < serial->num_rx_urbs; i++) { + /* unlink and free RX URB */ + usb_free_urb(serial->rx_urb[i]); + /* free the RX buffer */ + kfree(serial->rx_data[i]); + } + + /* unlink and free TX URB */ + usb_free_urb(serial->tx_urb); + kfree(serial->tx_data); +} + +static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, + int rx_size, int tx_size) +{ + struct device *dev; + int minor; + int i; + + minor = get_free_serial_index(); + if (minor < 0) + goto exit; + + /* register our minor number */ + serial->parent->dev = tty_register_device(tty_drv, minor, + &serial->parent->interface->dev); + dev = serial->parent->dev; + dev->driver_data = serial->parent; + i = device_create_file(dev, &dev_attr_hsotype); + + /* fill in specific data for later use */ + serial->minor = minor; + serial->magic = HSO_SERIAL_MAGIC; + spin_lock_init(&serial->serial_lock); + serial->num_rx_urbs = num_urbs; + + /* RX, allocate urb and initialize */ + + /* prepare our RX buffer */ + serial->rx_data_length = rx_size; + for (i = 0; i < serial->num_rx_urbs; i++) { + serial->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); + if (!serial->rx_urb[i]) { + dev_err(dev, "Could not allocate urb?\n"); + goto exit; + } + serial->rx_urb[i]->transfer_buffer = NULL; + serial->rx_urb[i]->transfer_buffer_length = 0; + serial->rx_data[i] = kzalloc(serial->rx_data_length, + GFP_KERNEL); + if (!serial->rx_data[i]) { + dev_err(dev, "%s - Out of memory\n", __func__); + goto exit; + } + } + + /* TX, allocate urb and initialize */ + serial->tx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!serial->tx_urb) { + dev_err(dev, "Could not allocate urb?\n"); + goto exit; + } + serial->tx_urb->transfer_buffer = NULL; + serial->tx_urb->transfer_buffer_length = 0; + /* prepare our TX buffer */ + serial->tx_data_count = 0; + serial->tx_buffer_count = 0; + serial->tx_data_length = tx_size; + serial->tx_data = kzalloc(serial->tx_data_length, GFP_KERNEL); + if (!serial->tx_data) { + dev_err(dev, "%s - Out of memory", __func__); + goto exit; + } + serial->tx_buffer = kzalloc(serial->tx_data_length, GFP_KERNEL); + if (!serial->tx_buffer) { + dev_err(dev, "%s - Out of memory", __func__); + goto exit; + } + + return 0; +exit: + hso_serial_common_free(serial); + return -1; +} + +/* Frees a general hso device */ +static void hso_free_device(struct hso_device *hso_dev) +{ + kfree(hso_dev); +} + +/* Creates a general hso device */ +static struct hso_device *hso_create_device(struct usb_interface *intf, + int port_spec) +{ + struct hso_device *hso_dev; + + hso_dev = kzalloc(sizeof(*hso_dev), GFP_ATOMIC); + if (!hso_dev) + return NULL; + + hso_dev->port_spec = port_spec; + hso_dev->usb = interface_to_usbdev(intf); + hso_dev->interface = intf; + kref_init(&hso_dev->ref); + mutex_init(&hso_dev->mutex); + + INIT_WORK(&hso_dev->async_get_intf, async_get_intf); + INIT_WORK(&hso_dev->async_put_intf, async_put_intf); + + return hso_dev; +} + +/* Removes a network device in the network device table */ +static int remove_net_device(struct hso_device *hso_dev) +{ + int i; + + for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { + if (network_table[i] == hso_dev) { + network_table[i] = NULL; + break; + } + } + if (i == HSO_MAX_NET_DEVICES) + return -1; + return 0; +} + +/* Frees our network device */ +static void hso_free_net_device(struct hso_device *hso_dev) +{ + int i; + struct hso_net *hso_net = dev2net(hso_dev); + + if (!hso_net) + return; + + /* start freeing */ + for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { + usb_free_urb(hso_net->mux_bulk_rx_urb_pool[i]); + kfree(hso_net->mux_bulk_rx_buf_pool[i]); + } + usb_free_urb(hso_net->mux_bulk_tx_urb); + kfree(hso_net->mux_bulk_tx_buf); + + remove_net_device(hso_net->parent); + + if (hso_net->net) { + unregister_netdev(hso_net->net); + free_netdev(hso_net->net); + } + + hso_free_device(hso_dev); +} + +/* initialize the network interface */ +static void hso_net_init(struct net_device *net) +{ + struct hso_net *hso_net = netdev_priv(net); + + D1("sizeof hso_net is %d", (int)sizeof(*hso_net)); + + /* fill in the other fields */ + net->open = hso_net_open; + net->stop = hso_net_close; + net->hard_start_xmit = hso_net_start_xmit; + net->tx_timeout = hso_net_tx_timeout; + net->watchdog_timeo = HSO_NET_TX_TIMEOUT; + net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; + net->type = ARPHRD_NONE; + net->mtu = DEFAULT_MTU - 14; + net->tx_queue_len = 10; + SET_ETHTOOL_OPS(net, &ops); + + /* and initialize the semaphore */ + spin_lock_init(&hso_net->net_lock); +} + +/* Adds a network device in the network device table */ +static int add_net_device(struct hso_device *hso_dev) +{ + int i; + + for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { + if (network_table[i] == NULL) { + network_table[i] = hso_dev; + break; + } + } + if (i == HSO_MAX_NET_DEVICES) + return -1; + return 0; +} + +static int hso_radio_toggle(void *data, enum rfkill_state state) +{ + struct hso_device *hso_dev = data; + int enabled = (state == RFKILL_STATE_ON); + int rv; + + mutex_lock(&hso_dev->mutex); + if (hso_dev->usb_gone) + rv = 0; + else + rv = usb_control_msg(hso_dev->usb, usb_rcvctrlpipe(hso_dev->usb, 0), + enabled ? 0x82 : 0x81, 0x40, 0, 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); + mutex_unlock(&hso_dev->mutex); + return rv; +} + +/* Creates and sets up everything for rfkill */ +static void hso_create_rfkill(struct hso_device *hso_dev, + struct usb_interface *interface) +{ + struct hso_net *hso_net = dev2net(hso_dev); + struct device *dev = hso_dev->dev; + char *rfkn; + + hso_net->rfkill = rfkill_allocate(&interface_to_usbdev(interface)->dev, + RFKILL_TYPE_WLAN); + if (!hso_net->rfkill) { + dev_err(dev, "%s - Out of memory", __func__); + return; + } + rfkn = kzalloc(20, GFP_KERNEL); + if (!rfkn) { + rfkill_free(hso_net->rfkill); + dev_err(dev, "%s - Out of memory", __func__); + return; + } + snprintf(rfkn, 20, "hso-%d", + interface->altsetting->desc.bInterfaceNumber); + hso_net->rfkill->name = rfkn; + hso_net->rfkill->state = RFKILL_STATE_ON; + hso_net->rfkill->data = hso_dev; + hso_net->rfkill->toggle_radio = hso_radio_toggle; + if (rfkill_register(hso_net->rfkill) < 0) { + kfree(rfkn); + hso_net->rfkill->name = NULL; + rfkill_free(hso_net->rfkill); + dev_err(dev, "%s - Failed to register rfkill", __func__); + return; + } +} + +/* Creates our network device */ +static struct hso_device *hso_create_net_device(struct usb_interface *interface) +{ + int result, i; + struct net_device *net; + struct hso_net *hso_net; + struct hso_device *hso_dev; + + hso_dev = hso_create_device(interface, HSO_INTF_MUX | HSO_PORT_NETWORK); + if (!hso_dev) + return NULL; + + /* allocate our network device, then we can put in our private data */ + /* call hso_net_init to do the basic initialization */ + net = alloc_netdev(sizeof(struct hso_net), "hso%d", hso_net_init); + if (!net) { + dev_err(&interface->dev, "Unable to create ethernet device\n"); + goto exit; + } + + hso_net = netdev_priv(net); + + hso_dev->port_data.dev_net = hso_net; + hso_net->net = net; + hso_net->parent = hso_dev; + + hso_net->in_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, + USB_DIR_IN); + if (!hso_net->in_endp) { + dev_err(&interface->dev, "Can't find BULK IN endpoint\n"); + goto exit; + } + hso_net->out_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, + USB_DIR_OUT); + if (!hso_net->out_endp) { + dev_err(&interface->dev, "Can't find BULK OUT endpoint\n"); + goto exit; + } + SET_NETDEV_DEV(net, &interface->dev); + + /* registering our net device */ + result = register_netdev(net); + if (result) { + dev_err(&interface->dev, "Failed to register device\n"); + goto exit; + } + + /* start allocating */ + for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { + hso_net->mux_bulk_rx_urb_pool[i] = usb_alloc_urb(0, GFP_KERNEL); + if (!hso_net->mux_bulk_rx_urb_pool[i]) { + dev_err(&interface->dev, "Could not allocate rx urb\n"); + goto exit; + } + hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE, + GFP_KERNEL); + if (!hso_net->mux_bulk_rx_buf_pool[i]) { + dev_err(&interface->dev, "Could not allocate rx buf\n"); + goto exit; + } + } + hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!hso_net->mux_bulk_tx_urb) { + dev_err(&interface->dev, "Could not allocate tx urb\n"); + goto exit; + } + hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL); + if (!hso_net->mux_bulk_tx_buf) { + dev_err(&interface->dev, "Could not allocate tx buf\n"); + goto exit; + } + + add_net_device(hso_dev); + + hso_log_port(hso_dev); + + hso_create_rfkill(hso_dev, interface); + + return hso_dev; +exit: + hso_free_net_device(hso_dev); + return NULL; +} + +/* Frees an AT channel ( goes for both mux and non-mux ) */ +static void hso_free_serial_device(struct hso_device *hso_dev) +{ + struct hso_serial *serial = dev2ser(hso_dev); + + if (!serial) + return; + set_serial_by_index(serial->minor, NULL); + + hso_serial_common_free(serial); + + if (serial->shared_int) { + mutex_lock(&serial->shared_int->shared_int_lock); + if (--serial->shared_int->ref_count == 0) + hso_free_shared_int(serial->shared_int); + else + mutex_unlock(&serial->shared_int->shared_int_lock); + } + kfree(serial); + hso_free_device(hso_dev); +} + +/* Creates a bulk AT channel */ +static struct hso_device *hso_create_bulk_serial_device( + struct usb_interface *interface, int port) +{ + struct hso_device *hso_dev; + struct hso_serial *serial; + int num_urbs; + + hso_dev = hso_create_device(interface, port); + if (!hso_dev) + return NULL; + + serial = kzalloc(sizeof(*serial), GFP_KERNEL); + if (!serial) + goto exit; + + serial->parent = hso_dev; + hso_dev->port_data.dev_serial = serial; + + if (port & HSO_PORT_MODEM) + num_urbs = 2; + else + num_urbs = 1; + + if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE, + BULK_URB_TX_SIZE)) + goto exit; + + serial->in_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, + USB_DIR_IN); + if (!serial->in_endp) { + dev_err(&interface->dev, "Failed to find BULK IN ep\n"); + goto exit; + } + + if (! + (serial->out_endp = + hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT))) { + dev_err(&interface->dev, "Failed to find BULK IN ep\n"); + goto exit; + } + + serial->write_data = hso_std_serial_write_data; + + /* and record this serial */ + set_serial_by_index(serial->minor, serial); + + /* setup the proc dirs and files if needed */ + hso_log_port(hso_dev); + + /* done, return it */ + return hso_dev; +exit: + if (hso_dev && serial) + hso_serial_common_free(serial); + kfree(serial); + hso_free_device(hso_dev); + return NULL; +} + +/* Creates a multiplexed AT channel */ +static +struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface, + int port, + struct hso_shared_int *mux) +{ + struct hso_device *hso_dev; + struct hso_serial *serial; + int port_spec; + + port_spec = HSO_INTF_MUX; + port_spec &= ~HSO_PORT_MASK; + + port_spec |= hso_mux_to_port(port); + if ((port_spec & HSO_PORT_MASK) == HSO_PORT_NO_PORT) + return NULL; + + hso_dev = hso_create_device(interface, port_spec); + if (!hso_dev) + return NULL; + + serial = kzalloc(sizeof(*serial), GFP_KERNEL); + if (!serial) + goto exit; + + hso_dev->port_data.dev_serial = serial; + serial->parent = hso_dev; + + if (hso_serial_common_create + (serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE)) + goto exit; + + serial->tx_data_length--; + serial->write_data = hso_mux_serial_write_data; + + serial->shared_int = mux; + mutex_lock(&serial->shared_int->shared_int_lock); + serial->shared_int->ref_count++; + mutex_unlock(&serial->shared_int->shared_int_lock); + + /* and record this serial */ + set_serial_by_index(serial->minor, serial); + + /* setup the proc dirs and files if needed */ + hso_log_port(hso_dev); + + /* done, return it */ + return hso_dev; + +exit: + if (serial) { + tty_unregister_device(tty_drv, serial->minor); + kfree(serial); + } + if (hso_dev) + hso_free_device(hso_dev); + return NULL; + +} + +static void hso_free_shared_int(struct hso_shared_int *mux) +{ + usb_free_urb(mux->shared_intr_urb); + kfree(mux->shared_intr_buf); + mutex_unlock(&mux->shared_int_lock); + kfree(mux); +} + +static +struct hso_shared_int *hso_create_shared_int(struct usb_interface *interface) +{ + struct hso_shared_int *mux = kzalloc(sizeof(*mux), GFP_KERNEL); + + if (!mux) + return NULL; + + mux->intr_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_INT, + USB_DIR_IN); + if (!mux->intr_endp) { + dev_err(&interface->dev, "Can't find INT IN endpoint\n"); + goto exit; + } + + mux->shared_intr_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!mux->shared_intr_urb) { + dev_err(&interface->dev, "Could not allocate intr urb?"); + goto exit; + } + mux->shared_intr_buf = kzalloc(mux->intr_endp->wMaxPacketSize, + GFP_KERNEL); + if (!mux->shared_intr_buf) { + dev_err(&interface->dev, "Could not allocate intr buf?"); + goto exit; + } + + mutex_init(&mux->shared_int_lock); + + return mux; + +exit: + kfree(mux->shared_intr_buf); + usb_free_urb(mux->shared_intr_urb); + kfree(mux); + return NULL; +} + +/* Gets the port spec for a certain interface */ +static int hso_get_config_data(struct usb_interface *interface) +{ + struct usb_device *usbdev = interface_to_usbdev(interface); + u8 config_data[17]; + u32 if_num = interface->altsetting->desc.bInterfaceNumber; + s32 result; + + if (usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), + 0x86, 0xC0, 0, 0, config_data, 17, + USB_CTRL_SET_TIMEOUT) != 0x11) { + return -EIO; + } + + switch (config_data[if_num]) { + case 0x0: + result = 0; + break; + case 0x1: + result = HSO_PORT_DIAG; + break; + case 0x2: + result = HSO_PORT_GPS; + break; + case 0x3: + result = HSO_PORT_GPS_CONTROL; + break; + case 0x4: + result = HSO_PORT_APP; + break; + case 0x5: + result = HSO_PORT_APP2; + break; + case 0x6: + result = HSO_PORT_CONTROL; + break; + case 0x7: + result = HSO_PORT_NETWORK; + break; + case 0x8: + result = HSO_PORT_MODEM; + break; + case 0x9: + result = HSO_PORT_MSD; + break; + case 0xa: + result = HSO_PORT_PCSC; + break; + case 0xb: + result = HSO_PORT_VOICE; + break; + default: + result = 0; + } + + if (result) + result |= HSO_INTF_BULK; + + if (config_data[16] & 0x1) + result |= HSO_INFO_CRC_BUG; + + return result; +} + +/* called once for each interface upon device insertion */ +static int hso_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + int mux, i, if_num, port_spec; + unsigned char port_mask; + struct hso_device *hso_dev = NULL; + struct hso_shared_int *shared_int; + struct hso_device *tmp_dev = NULL; + + if_num = interface->altsetting->desc.bInterfaceNumber; + + /* Get the interface/port specification from either driver_info or from + * the device itself */ + if (id->driver_info) + port_spec = ((u32 *)(id->driver_info))[if_num]; + else + port_spec = hso_get_config_data(interface); + + if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) { + dev_err(&interface->dev, "Not our interface\n"); + return -ENODEV; + } + /* Check if we need to switch to alt interfaces prior to port + * configuration */ + if (interface->num_altsetting > 1) + usb_set_interface(interface_to_usbdev(interface), if_num, 1); + interface->needs_remote_wakeup = 1; + + /* Allocate new hso device(s) */ + switch (port_spec & HSO_INTF_MASK) { + case HSO_INTF_MUX: + if ((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) { + /* Create the network device */ + if (!disable_net) { + hso_dev = hso_create_net_device(interface); + if (!hso_dev) + goto exit; + tmp_dev = hso_dev; + } + } + + if (hso_get_mux_ports(interface, &port_mask)) + /* TODO: de-allocate everything */ + goto exit; + + shared_int = hso_create_shared_int(interface); + if (!shared_int) + goto exit; + + for (i = 1, mux = 0; i < 0x100; i = i << 1, mux++) { + if (port_mask & i) { + hso_dev = hso_create_mux_serial_device( + interface, i, shared_int); + if (!hso_dev) + goto exit; + } + } + + if (tmp_dev) + hso_dev = tmp_dev; + break; + + case HSO_INTF_BULK: + /* It's a regular bulk interface */ + if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) + && !disable_net) + hso_dev = hso_create_net_device(interface); + else + hso_dev = + hso_create_bulk_serial_device(interface, port_spec); + if (!hso_dev) + goto exit; + break; + default: + goto exit; + } + + usb_driver_claim_interface(&hso_driver, interface, hso_dev); + + /* save our data pointer in this device */ + usb_set_intfdata(interface, hso_dev); + + /* done */ + return 0; +exit: + hso_free_interface(interface); + return -ENODEV; +} + +/* device removed, cleaning up */ +static void hso_disconnect(struct usb_interface *interface) +{ + hso_free_interface(interface); + + /* remove reference of our private data */ + usb_set_intfdata(interface, NULL); + + usb_driver_release_interface(&hso_driver, interface); +} + +static void async_get_intf(struct work_struct *data) +{ + struct hso_device *hso_dev = + container_of(data, struct hso_device, async_get_intf); + usb_autopm_get_interface(hso_dev->interface); +} + +static void async_put_intf(struct work_struct *data) +{ + struct hso_device *hso_dev = + container_of(data, struct hso_device, async_put_intf); + usb_autopm_put_interface(hso_dev->interface); +} + +static int hso_get_activity(struct hso_device *hso_dev) +{ + if (hso_dev->usb->state == USB_STATE_SUSPENDED) { + if (!hso_dev->is_active) { + hso_dev->is_active = 1; + schedule_work(&hso_dev->async_get_intf); + } + } + + if (hso_dev->usb->state != USB_STATE_CONFIGURED) + return -EAGAIN; + + usb_mark_last_busy(hso_dev->usb); + + return 0; +} + +static int hso_put_activity(struct hso_device *hso_dev) +{ + if (hso_dev->usb->state != USB_STATE_SUSPENDED) { + if (hso_dev->is_active) { + hso_dev->is_active = 0; + schedule_work(&hso_dev->async_put_intf); + return -EAGAIN; + } + } + hso_dev->is_active = 0; + return 0; +} + +/* called by kernel when we need to suspend device */ +static int hso_suspend(struct usb_interface *iface, pm_message_t message) +{ + int i, result; + + /* Stop all serial ports */ + for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { + if (serial_table[i] && (serial_table[i]->interface == iface)) { + result = hso_stop_serial_device(serial_table[i]); + if (result) + goto out; + } + } + + /* Stop all network ports */ + for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { + if (network_table[i] && + (network_table[i]->interface == iface)) { + result = hso_stop_net_device(network_table[i]); + if (result) + goto out; + } + } + +out: + return 0; +} + +/* called by kernel when we need to resume device */ +static int hso_resume(struct usb_interface *iface) +{ + int i, result = 0; + struct hso_net *hso_net; + + /* Start all serial ports */ + for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { + if (serial_table[i] && (serial_table[i]->interface == iface)) { + if (dev2ser(serial_table[i])->open_count) { + result = + hso_start_serial_device(serial_table[i], GFP_NOIO); + hso_kick_transmit(dev2ser(serial_table[i])); + if (result) + goto out; + } + } + } + + /* Start all network ports */ + for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { + if (network_table[i] && + (network_table[i]->interface == iface)) { + hso_net = dev2net(network_table[i]); + /* First transmit any lingering data, then restart the + * device. */ + if (hso_net->skb_tx_buf) { + dev_dbg(&iface->dev, + "Transmitting lingering data\n"); + hso_net_start_xmit(hso_net->skb_tx_buf, + hso_net->net); + } + result = hso_start_net_device(network_table[i]); + if (result) + goto out; + } + } + +out: + return result; +} + +static void hso_serial_ref_free(struct kref *ref) +{ + struct hso_device *hso_dev = container_of(ref, struct hso_device, ref); + + hso_free_serial_device(hso_dev); +} + +static void hso_free_interface(struct usb_interface *interface) +{ + struct hso_serial *hso_dev; + int i; + + for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { + if (serial_table[i] + && (serial_table[i]->interface == interface)) { + hso_dev = dev2ser(serial_table[i]); + if (hso_dev->tty) + tty_hangup(hso_dev->tty); + mutex_lock(&hso_dev->parent->mutex); + hso_dev->parent->usb_gone = 1; + mutex_unlock(&hso_dev->parent->mutex); + kref_put(&serial_table[i]->ref, hso_serial_ref_free); + } + } + + for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { + if (network_table[i] + && (network_table[i]->interface == interface)) { + struct rfkill *rfk = dev2net(network_table[i])->rfkill; + /* hso_stop_net_device doesn't stop the net queue since + * traffic needs to start it again when suspended */ + netif_stop_queue(dev2net(network_table[i])->net); + hso_stop_net_device(network_table[i]); + cancel_work_sync(&network_table[i]->async_put_intf); + cancel_work_sync(&network_table[i]->async_get_intf); + if(rfk) + rfkill_unregister(rfk); + hso_free_net_device(network_table[i]); + } + } +} + +/* Helper functions */ + +/* Get the endpoint ! */ +static struct usb_endpoint_descriptor *hso_get_ep(struct usb_interface *intf, + int type, int dir) +{ + int i; + struct usb_host_interface *iface = intf->cur_altsetting; + struct usb_endpoint_descriptor *endp; + + for (i = 0; i < iface->desc.bNumEndpoints; i++) { + endp = &iface->endpoint[i].desc; + if (((endp->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == dir) && + ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == type)) + return endp; + } + + return NULL; +} + +/* Get the byte that describes which ports are enabled */ +static int hso_get_mux_ports(struct usb_interface *intf, unsigned char *ports) +{ + int i; + struct usb_host_interface *iface = intf->cur_altsetting; + + if (iface->extralen == 3) { + *ports = iface->extra[2]; + return 0; + } + + for (i = 0; i < iface->desc.bNumEndpoints; i++) { + if (iface->endpoint[i].extralen == 3) { + *ports = iface->endpoint[i].extra[2]; + return 0; + } + } + + return -1; +} + +/* interrupt urb needs to be submitted, used for serial read of muxed port */ +static int hso_mux_submit_intr_urb(struct hso_shared_int *shared_int, + struct usb_device *usb, gfp_t gfp) +{ + int result; + + usb_fill_int_urb(shared_int->shared_intr_urb, usb, + usb_rcvintpipe(usb, + shared_int->intr_endp->bEndpointAddress & 0x7F), + shared_int->shared_intr_buf, + shared_int->intr_endp->wMaxPacketSize, + intr_callback, shared_int, + shared_int->intr_endp->bInterval); + + result = usb_submit_urb(shared_int->shared_intr_urb, gfp); + if (result) + dev_warn(&usb->dev, "%s failed mux_intr_urb %d", __func__, + result); + + return result; +} + +/* operations setup of the serial interface */ +static struct tty_operations hso_serial_ops = { + .open = hso_serial_open, + .close = hso_serial_close, + .write = hso_serial_write, + .write_room = hso_serial_write_room, + .set_termios = hso_serial_set_termios, + .chars_in_buffer = hso_serial_chars_in_buffer, + .tiocmget = hso_serial_tiocmget, + .tiocmset = hso_serial_tiocmset, +}; + +static struct usb_driver hso_driver = { + .name = driver_name, + .probe = hso_probe, + .disconnect = hso_disconnect, + .id_table = hso_ids, + .suspend = hso_suspend, + .resume = hso_resume, + .supports_autosuspend = 1, +}; + +static int __init hso_init(void) +{ + int i; + int result; + + /* put it in the log */ + printk(KERN_INFO "hso: %s\n", version); + + /* Initialise the serial table semaphore and table */ + spin_lock_init(&serial_table_lock); + for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) + serial_table[i] = NULL; + + /* allocate our driver using the proper amount of supported minors */ + tty_drv = alloc_tty_driver(HSO_SERIAL_TTY_MINORS); + if (!tty_drv) + return -ENOMEM; + + /* fill in all needed values */ + tty_drv->magic = TTY_DRIVER_MAGIC; + tty_drv->owner = THIS_MODULE; + tty_drv->driver_name = driver_name; + tty_drv->name = tty_filename; + + /* if major number is provided as parameter, use that one */ + if (tty_major) + tty_drv->major = tty_major; + + tty_drv->minor_start = 0; + tty_drv->num = HSO_SERIAL_TTY_MINORS; + tty_drv->type = TTY_DRIVER_TYPE_SERIAL; + tty_drv->subtype = SERIAL_TYPE_NORMAL; + tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; + tty_drv->init_termios = tty_std_termios; + tty_drv->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + tty_drv->termios = hso_serial_termios; + tty_drv->termios_locked = hso_serial_termios_locked; + tty_set_operations(tty_drv, &hso_serial_ops); + + /* register the tty driver */ + result = tty_register_driver(tty_drv); + if (result) { + printk(KERN_ERR "%s - tty_register_driver failed(%d)\n", + __func__, result); + return result; + } + + /* register this module as an usb driver */ + result = usb_register(&hso_driver); + if (result) { + printk(KERN_ERR "Could not register hso driver? error: %d\n", + result); + /* cleanup serial interface */ + tty_unregister_driver(tty_drv); + return result; + } + + /* done */ + return 0; +} + +static void __exit hso_exit(void) +{ + printk(KERN_INFO "hso: unloaded\n"); + + tty_unregister_driver(tty_drv); + /* deregister the usb driver */ + usb_deregister(&hso_driver); +} + +/* Module definitions */ +module_init(hso_init); +module_exit(hso_exit); + +MODULE_AUTHOR(MOD_AUTHOR); +MODULE_DESCRIPTION(MOD_DESCRIPTION); +MODULE_LICENSE(MOD_LICENSE); +MODULE_INFO(Version, DRIVER_VERSION); + +/* change the debug level (eg: insmod hso.ko debug=0x04) */ +MODULE_PARM_DESC(debug, "Level of debug [0x01 | 0x02 | 0x04 | 0x08 | 0x10]"); +module_param(debug, int, S_IRUGO | S_IWUSR); + +/* set the major tty number (eg: insmod hso.ko tty_major=245) */ +MODULE_PARM_DESC(tty_major, "Set the major tty number"); +module_param(tty_major, int, S_IRUGO | S_IWUSR); + +/* disable network interface (eg: insmod hso.ko disable_net=1) */ +MODULE_PARM_DESC(disable_net, "Disable the network interface"); +module_param(disable_net, int, S_IRUGO | S_IWUSR); |