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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-07 15:57:17 +0200
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-11 04:54:52 +0200
commitf7917c009c28c941ba151ee66f04dc7f6a2e1e0b (patch)
tree91cd66b3b846b1113654de2ac31f085d0d7989ba /drivers/net/cxgb3/ael1002.c
parentbroadcom: Move the Broadcom drivers (diff)
downloadlinux-f7917c009c28c941ba151ee66f04dc7f6a2e1e0b.tar.xz
linux-f7917c009c28c941ba151ee66f04dc7f6a2e1e0b.zip
chelsio: Move the Chelsio drivers
Moves the drivers for the Chelsio chipsets into drivers/net/ethernet/chelsio/ and the necessary Kconfig and Makefile changes. CC: Divy Le Ray <divy@chelsio.com> CC: Dimitris Michailidis <dm@chelsio.com> CC: Casey Leedom <leedom@chelsio.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/cxgb3/ael1002.c')
-rw-r--r--drivers/net/cxgb3/ael1002.c941
1 files changed, 0 insertions, 941 deletions
diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c
deleted file mode 100644
index 2028da95afa1..000000000000
--- a/drivers/net/cxgb3/ael1002.c
+++ /dev/null
@@ -1,941 +0,0 @@
-/*
- * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "common.h"
-#include "regs.h"
-
-enum {
- AEL100X_TX_CONFIG1 = 0xc002,
- AEL1002_PWR_DOWN_HI = 0xc011,
- AEL1002_PWR_DOWN_LO = 0xc012,
- AEL1002_XFI_EQL = 0xc015,
- AEL1002_LB_EN = 0xc017,
- AEL_OPT_SETTINGS = 0xc017,
- AEL_I2C_CTRL = 0xc30a,
- AEL_I2C_DATA = 0xc30b,
- AEL_I2C_STAT = 0xc30c,
- AEL2005_GPIO_CTRL = 0xc214,
- AEL2005_GPIO_STAT = 0xc215,
-
- AEL2020_GPIO_INTR = 0xc103, /* Latch High (LH) */
- AEL2020_GPIO_CTRL = 0xc108, /* Store Clear (SC) */
- AEL2020_GPIO_STAT = 0xc10c, /* Read Only (RO) */
- AEL2020_GPIO_CFG = 0xc110, /* Read Write (RW) */
-
- AEL2020_GPIO_SDA = 0, /* IN: i2c serial data */
- AEL2020_GPIO_MODDET = 1, /* IN: Module Detect */
- AEL2020_GPIO_0 = 3, /* IN: unassigned */
- AEL2020_GPIO_1 = 2, /* OUT: unassigned */
- AEL2020_GPIO_LSTAT = AEL2020_GPIO_1, /* wired to link status LED */
-};
-
-enum { edc_none, edc_sr, edc_twinax };
-
-/* PHY module I2C device address */
-enum {
- MODULE_DEV_ADDR = 0xa0,
- SFF_DEV_ADDR = 0xa2,
-};
-
-/* PHY transceiver type */
-enum {
- phy_transtype_unknown = 0,
- phy_transtype_sfp = 3,
- phy_transtype_xfp = 6,
-};
-
-#define AEL2005_MODDET_IRQ 4
-
-struct reg_val {
- unsigned short mmd_addr;
- unsigned short reg_addr;
- unsigned short clear_bits;
- unsigned short set_bits;
-};
-
-static int set_phy_regs(struct cphy *phy, const struct reg_val *rv)
-{
- int err;
-
- for (err = 0; rv->mmd_addr && !err; rv++) {
- if (rv->clear_bits == 0xffff)
- err = t3_mdio_write(phy, rv->mmd_addr, rv->reg_addr,
- rv->set_bits);
- else
- err = t3_mdio_change_bits(phy, rv->mmd_addr,
- rv->reg_addr, rv->clear_bits,
- rv->set_bits);
- }
- return err;
-}
-
-static void ael100x_txon(struct cphy *phy)
-{
- int tx_on_gpio =
- phy->mdio.prtad == 0 ? F_GPIO7_OUT_VAL : F_GPIO2_OUT_VAL;
-
- msleep(100);
- t3_set_reg_field(phy->adapter, A_T3DBG_GPIO_EN, 0, tx_on_gpio);
- msleep(30);
-}
-
-/*
- * Read an 8-bit word from a device attached to the PHY's i2c bus.
- */
-static int ael_i2c_rd(struct cphy *phy, int dev_addr, int word_addr)
-{
- int i, err;
- unsigned int stat, data;
-
- err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL_I2C_CTRL,
- (dev_addr << 8) | (1 << 8) | word_addr);
- if (err)
- return err;
-
- for (i = 0; i < 200; i++) {
- msleep(1);
- err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL_I2C_STAT, &stat);
- if (err)
- return err;
- if ((stat & 3) == 1) {
- err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL_I2C_DATA,
- &data);
- if (err)
- return err;
- return data >> 8;
- }
- }
- CH_WARN(phy->adapter, "PHY %u i2c read of dev.addr %#x.%#x timed out\n",
- phy->mdio.prtad, dev_addr, word_addr);
- return -ETIMEDOUT;
-}
-
-static int ael1002_power_down(struct cphy *phy, int enable)
-{
- int err;
-
- err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, MDIO_PMA_TXDIS, !!enable);
- if (!err)
- err = mdio_set_flag(&phy->mdio, phy->mdio.prtad,
- MDIO_MMD_PMAPMD, MDIO_CTRL1,
- MDIO_CTRL1_LPOWER, enable);
- return err;
-}
-
-static int ael1002_reset(struct cphy *phy, int wait)
-{
- int err;
-
- if ((err = ael1002_power_down(phy, 0)) ||
- (err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL100X_TX_CONFIG1, 1)) ||
- (err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL1002_PWR_DOWN_HI, 0)) ||
- (err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL1002_PWR_DOWN_LO, 0)) ||
- (err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL1002_XFI_EQL, 0x18)) ||
- (err = t3_mdio_change_bits(phy, MDIO_MMD_PMAPMD, AEL1002_LB_EN,
- 0, 1 << 5)))
- return err;
- return 0;
-}
-
-static int ael1002_intr_noop(struct cphy *phy)
-{
- return 0;
-}
-
-/*
- * Get link status for a 10GBASE-R device.
- */
-static int get_link_status_r(struct cphy *phy, int *link_ok, int *speed,
- int *duplex, int *fc)
-{
- if (link_ok) {
- unsigned int stat0, stat1, stat2;
- int err = t3_mdio_read(phy, MDIO_MMD_PMAPMD,
- MDIO_PMA_RXDET, &stat0);
-
- if (!err)
- err = t3_mdio_read(phy, MDIO_MMD_PCS,
- MDIO_PCS_10GBRT_STAT1, &stat1);
- if (!err)
- err = t3_mdio_read(phy, MDIO_MMD_PHYXS,
- MDIO_PHYXS_LNSTAT, &stat2);
- if (err)
- return err;
- *link_ok = (stat0 & stat1 & (stat2 >> 12)) & 1;
- }
- if (speed)
- *speed = SPEED_10000;
- if (duplex)
- *duplex = DUPLEX_FULL;
- return 0;
-}
-
-static struct cphy_ops ael1002_ops = {
- .reset = ael1002_reset,
- .intr_enable = ael1002_intr_noop,
- .intr_disable = ael1002_intr_noop,
- .intr_clear = ael1002_intr_noop,
- .intr_handler = ael1002_intr_noop,
- .get_link_status = get_link_status_r,
- .power_down = ael1002_power_down,
- .mmds = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS | MDIO_DEVS_PHYXS,
-};
-
-int t3_ael1002_phy_prep(struct cphy *phy, struct adapter *adapter,
- int phy_addr, const struct mdio_ops *mdio_ops)
-{
- cphy_init(phy, adapter, phy_addr, &ael1002_ops, mdio_ops,
- SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_FIBRE,
- "10GBASE-R");
- ael100x_txon(phy);
- return 0;
-}
-
-static int ael1006_reset(struct cphy *phy, int wait)
-{
- return t3_phy_reset(phy, MDIO_MMD_PMAPMD, wait);
-}
-
-static struct cphy_ops ael1006_ops = {
- .reset = ael1006_reset,
- .intr_enable = t3_phy_lasi_intr_enable,
- .intr_disable = t3_phy_lasi_intr_disable,
- .intr_clear = t3_phy_lasi_intr_clear,
- .intr_handler = t3_phy_lasi_intr_handler,
- .get_link_status = get_link_status_r,
- .power_down = ael1002_power_down,
- .mmds = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS | MDIO_DEVS_PHYXS,
-};
-
-int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
- int phy_addr, const struct mdio_ops *mdio_ops)
-{
- cphy_init(phy, adapter, phy_addr, &ael1006_ops, mdio_ops,
- SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_FIBRE,
- "10GBASE-SR");
- ael100x_txon(phy);
- return 0;
-}
-
-/*
- * Decode our module type.
- */
-static int ael2xxx_get_module_type(struct cphy *phy, int delay_ms)
-{
- int v;
-
- if (delay_ms)
- msleep(delay_ms);
-
- /* see SFF-8472 for below */
- v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 3);
- if (v < 0)
- return v;
-
- if (v == 0x10)
- return phy_modtype_sr;
- if (v == 0x20)
- return phy_modtype_lr;
- if (v == 0x40)
- return phy_modtype_lrm;
-
- v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 6);
- if (v < 0)
- return v;
- if (v != 4)
- goto unknown;
-
- v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 10);
- if (v < 0)
- return v;
-
- if (v & 0x80) {
- v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 0x12);
- if (v < 0)
- return v;
- return v > 10 ? phy_modtype_twinax_long : phy_modtype_twinax;
- }
-unknown:
- return phy_modtype_unknown;
-}
-
-/*
- * Code to support the Aeluros/NetLogic 2005 10Gb PHY.
- */
-static int ael2005_setup_sr_edc(struct cphy *phy)
-{
- static const struct reg_val regs[] = {
- { MDIO_MMD_PMAPMD, 0xc003, 0xffff, 0x181 },
- { MDIO_MMD_PMAPMD, 0xc010, 0xffff, 0x448a },
- { MDIO_MMD_PMAPMD, 0xc04a, 0xffff, 0x5200 },
- { 0, 0, 0, 0 }
- };
-
- int i, err;
-
- err = set_phy_regs(phy, regs);
- if (err)
- return err;
-
- msleep(50);
-
- if (phy->priv != edc_sr)
- err = t3_get_edc_fw(phy, EDC_OPT_AEL2005,
- EDC_OPT_AEL2005_SIZE);
- if (err)
- return err;
-
- for (i = 0; i < EDC_OPT_AEL2005_SIZE / sizeof(u16) && !err; i += 2)
- err = t3_mdio_write(phy, MDIO_MMD_PMAPMD,
- phy->phy_cache[i],
- phy->phy_cache[i + 1]);
- if (!err)
- phy->priv = edc_sr;
- return err;
-}
-
-static int ael2005_setup_twinax_edc(struct cphy *phy, int modtype)
-{
- static const struct reg_val regs[] = {
- { MDIO_MMD_PMAPMD, 0xc04a, 0xffff, 0x5a00 },
- { 0, 0, 0, 0 }
- };
- static const struct reg_val preemphasis[] = {
- { MDIO_MMD_PMAPMD, 0xc014, 0xffff, 0xfe16 },
- { MDIO_MMD_PMAPMD, 0xc015, 0xffff, 0xa000 },
- { 0, 0, 0, 0 }
- };
- int i, err;
-
- err = set_phy_regs(phy, regs);
- if (!err && modtype == phy_modtype_twinax_long)
- err = set_phy_regs(phy, preemphasis);
- if (err)
- return err;
-
- msleep(50);
-
- if (phy->priv != edc_twinax)
- err = t3_get_edc_fw(phy, EDC_TWX_AEL2005,
- EDC_TWX_AEL2005_SIZE);
- if (err)
- return err;
-
- for (i = 0; i < EDC_TWX_AEL2005_SIZE / sizeof(u16) && !err; i += 2)
- err = t3_mdio_write(phy, MDIO_MMD_PMAPMD,
- phy->phy_cache[i],
- phy->phy_cache[i + 1]);
- if (!err)
- phy->priv = edc_twinax;
- return err;
-}
-
-static int ael2005_get_module_type(struct cphy *phy, int delay_ms)
-{
- int v;
- unsigned int stat;
-
- v = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2005_GPIO_CTRL, &stat);
- if (v)
- return v;
-
- if (stat & (1 << 8)) /* module absent */
- return phy_modtype_none;
-
- return ael2xxx_get_module_type(phy, delay_ms);
-}
-
-static int ael2005_intr_enable(struct cphy *phy)
-{
- int err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL2005_GPIO_CTRL, 0x200);
- return err ? err : t3_phy_lasi_intr_enable(phy);
-}
-
-static int ael2005_intr_disable(struct cphy *phy)
-{
- int err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL2005_GPIO_CTRL, 0x100);
- return err ? err : t3_phy_lasi_intr_disable(phy);
-}
-
-static int ael2005_intr_clear(struct cphy *phy)
-{
- int err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL2005_GPIO_CTRL, 0xd00);
- return err ? err : t3_phy_lasi_intr_clear(phy);
-}
-
-static int ael2005_reset(struct cphy *phy, int wait)
-{
- static const struct reg_val regs0[] = {
- { MDIO_MMD_PMAPMD, 0xc001, 0, 1 << 5 },
- { MDIO_MMD_PMAPMD, 0xc017, 0, 1 << 5 },
- { MDIO_MMD_PMAPMD, 0xc013, 0xffff, 0xf341 },
- { MDIO_MMD_PMAPMD, 0xc210, 0xffff, 0x8000 },
- { MDIO_MMD_PMAPMD, 0xc210, 0xffff, 0x8100 },
- { MDIO_MMD_PMAPMD, 0xc210, 0xffff, 0x8000 },
- { MDIO_MMD_PMAPMD, 0xc210, 0xffff, 0 },
- { 0, 0, 0, 0 }
- };
- static const struct reg_val regs1[] = {
- { MDIO_MMD_PMAPMD, 0xca00, 0xffff, 0x0080 },
- { MDIO_MMD_PMAPMD, 0xca12, 0xffff, 0 },
- { 0, 0, 0, 0 }
- };
-
- int err;
- unsigned int lasi_ctrl;
-
- err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_CTRL,
- &lasi_ctrl);
- if (err)
- return err;
-
- err = t3_phy_reset(phy, MDIO_MMD_PMAPMD, 0);
- if (err)
- return err;
-
- msleep(125);
- phy->priv = edc_none;
- err = set_phy_regs(phy, regs0);
- if (err)
- return err;
-
- msleep(50);
-
- err = ael2005_get_module_type(phy, 0);
- if (err < 0)
- return err;
- phy->modtype = err;
-
- if (err == phy_modtype_twinax || err == phy_modtype_twinax_long)
- err = ael2005_setup_twinax_edc(phy, err);
- else
- err = ael2005_setup_sr_edc(phy);
- if (err)
- return err;
-
- err = set_phy_regs(phy, regs1);
- if (err)
- return err;
-
- /* reset wipes out interrupts, reenable them if they were on */
- if (lasi_ctrl & 1)
- err = ael2005_intr_enable(phy);
- return err;
-}
-
-static int ael2005_intr_handler(struct cphy *phy)
-{
- unsigned int stat;
- int ret, edc_needed, cause = 0;
-
- ret = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2005_GPIO_STAT, &stat);
- if (ret)
- return ret;
-
- if (stat & AEL2005_MODDET_IRQ) {
- ret = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL2005_GPIO_CTRL,
- 0xd00);
- if (ret)
- return ret;
-
- /* modules have max 300 ms init time after hot plug */
- ret = ael2005_get_module_type(phy, 300);
- if (ret < 0)
- return ret;
-
- phy->modtype = ret;
- if (ret == phy_modtype_none)
- edc_needed = phy->priv; /* on unplug retain EDC */
- else if (ret == phy_modtype_twinax ||
- ret == phy_modtype_twinax_long)
- edc_needed = edc_twinax;
- else
- edc_needed = edc_sr;
-
- if (edc_needed != phy->priv) {
- ret = ael2005_reset(phy, 0);
- return ret ? ret : cphy_cause_module_change;
- }
- cause = cphy_cause_module_change;
- }
-
- ret = t3_phy_lasi_intr_handler(phy);
- if (ret < 0)
- return ret;
-
- ret |= cause;
- return ret ? ret : cphy_cause_link_change;
-}
-
-static struct cphy_ops ael2005_ops = {
- .reset = ael2005_reset,
- .intr_enable = ael2005_intr_enable,
- .intr_disable = ael2005_intr_disable,
- .intr_clear = ael2005_intr_clear,
- .intr_handler = ael2005_intr_handler,
- .get_link_status = get_link_status_r,
- .power_down = ael1002_power_down,
- .mmds = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS | MDIO_DEVS_PHYXS,
-};
-
-int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
- int phy_addr, const struct mdio_ops *mdio_ops)
-{
- cphy_init(phy, adapter, phy_addr, &ael2005_ops, mdio_ops,
- SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_FIBRE |
- SUPPORTED_IRQ, "10GBASE-R");
- msleep(125);
- return t3_mdio_change_bits(phy, MDIO_MMD_PMAPMD, AEL_OPT_SETTINGS, 0,
- 1 << 5);
-}
-
-/*
- * Setup EDC and other parameters for operation with an optical module.
- */
-static int ael2020_setup_sr_edc(struct cphy *phy)
-{
- static const struct reg_val regs[] = {
- /* set CDR offset to 10 */
- { MDIO_MMD_PMAPMD, 0xcc01, 0xffff, 0x488a },
-
- /* adjust 10G RX bias current */
- { MDIO_MMD_PMAPMD, 0xcb1b, 0xffff, 0x0200 },
- { MDIO_MMD_PMAPMD, 0xcb1c, 0xffff, 0x00f0 },
- { MDIO_MMD_PMAPMD, 0xcc06, 0xffff, 0x00e0 },
-
- /* end */
- { 0, 0, 0, 0 }
- };
- int err;
-
- err = set_phy_regs(phy, regs);
- msleep(50);
- if (err)
- return err;
-
- phy->priv = edc_sr;
- return 0;
-}
-
-/*
- * Setup EDC and other parameters for operation with an TWINAX module.
- */
-static int ael2020_setup_twinax_edc(struct cphy *phy, int modtype)
-{
- /* set uC to 40MHz */
- static const struct reg_val uCclock40MHz[] = {
- { MDIO_MMD_PMAPMD, 0xff28, 0xffff, 0x4001 },
- { MDIO_MMD_PMAPMD, 0xff2a, 0xffff, 0x0002 },
- { 0, 0, 0, 0 }
- };
-
- /* activate uC clock */
- static const struct reg_val uCclockActivate[] = {
- { MDIO_MMD_PMAPMD, 0xd000, 0xffff, 0x5200 },
- { 0, 0, 0, 0 }
- };
-
- /* set PC to start of SRAM and activate uC */
- static const struct reg_val uCactivate[] = {
- { MDIO_MMD_PMAPMD, 0xd080, 0xffff, 0x0100 },
- { MDIO_MMD_PMAPMD, 0xd092, 0xffff, 0x0000 },
- { 0, 0, 0, 0 }
- };
- int i, err;
-
- /* set uC clock and activate it */
- err = set_phy_regs(phy, uCclock40MHz);
- msleep(500);
- if (err)
- return err;
- err = set_phy_regs(phy, uCclockActivate);
- msleep(500);
- if (err)
- return err;
-
- if (phy->priv != edc_twinax)
- err = t3_get_edc_fw(phy, EDC_TWX_AEL2020,
- EDC_TWX_AEL2020_SIZE);
- if (err)
- return err;
-
- for (i = 0; i < EDC_TWX_AEL2020_SIZE / sizeof(u16) && !err; i += 2)
- err = t3_mdio_write(phy, MDIO_MMD_PMAPMD,
- phy->phy_cache[i],
- phy->phy_cache[i + 1]);
- /* activate uC */
- err = set_phy_regs(phy, uCactivate);
- if (!err)
- phy->priv = edc_twinax;
- return err;
-}
-
-/*
- * Return Module Type.
- */
-static int ael2020_get_module_type(struct cphy *phy, int delay_ms)
-{
- int v;
- unsigned int stat;
-
- v = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_STAT, &stat);
- if (v)
- return v;
-
- if (stat & (0x1 << (AEL2020_GPIO_MODDET*4))) {
- /* module absent */
- return phy_modtype_none;
- }
-
- return ael2xxx_get_module_type(phy, delay_ms);
-}
-
-/*
- * Enable PHY interrupts. We enable "Module Detection" interrupts (on any
- * state transition) and then generic Link Alarm Status Interrupt (LASI).
- */
-static int ael2020_intr_enable(struct cphy *phy)
-{
- static const struct reg_val regs[] = {
- /* output Module's Loss Of Signal (LOS) to LED */
- { MDIO_MMD_PMAPMD, AEL2020_GPIO_CFG+AEL2020_GPIO_LSTAT,
- 0xffff, 0x4 },
- { MDIO_MMD_PMAPMD, AEL2020_GPIO_CTRL,
- 0xffff, 0x8 << (AEL2020_GPIO_LSTAT*4) },
-
- /* enable module detect status change interrupts */
- { MDIO_MMD_PMAPMD, AEL2020_GPIO_CTRL,
- 0xffff, 0x2 << (AEL2020_GPIO_MODDET*4) },
-
- /* end */
- { 0, 0, 0, 0 }
- };
- int err, link_ok = 0;
-
- /* set up "link status" LED and enable module change interrupts */
- err = set_phy_regs(phy, regs);
- if (err)
- return err;
-
- err = get_link_status_r(phy, &link_ok, NULL, NULL, NULL);
- if (err)
- return err;
- if (link_ok)
- t3_link_changed(phy->adapter,
- phy2portid(phy));
-
- err = t3_phy_lasi_intr_enable(phy);
- if (err)
- return err;
-
- return 0;
-}
-
-/*
- * Disable PHY interrupts. The mirror of the above ...
- */
-static int ael2020_intr_disable(struct cphy *phy)
-{
- static const struct reg_val regs[] = {
- /* reset "link status" LED to "off" */
- { MDIO_MMD_PMAPMD, AEL2020_GPIO_CTRL,
- 0xffff, 0xb << (AEL2020_GPIO_LSTAT*4) },
-
- /* disable module detect status change interrupts */
- { MDIO_MMD_PMAPMD, AEL2020_GPIO_CTRL,
- 0xffff, 0x1 << (AEL2020_GPIO_MODDET*4) },
-
- /* end */
- { 0, 0, 0, 0 }
- };
- int err;
-
- /* turn off "link status" LED and disable module change interrupts */
- err = set_phy_regs(phy, regs);
- if (err)
- return err;
-
- return t3_phy_lasi_intr_disable(phy);
-}
-
-/*
- * Clear PHY interrupt state.
- */
-static int ael2020_intr_clear(struct cphy *phy)
-{
- /*
- * The GPIO Interrupt register on the AEL2020 is a "Latching High"
- * (LH) register which is cleared to the current state when it's read.
- * Thus, we simply read the register and discard the result.
- */
- unsigned int stat;
- int err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_INTR, &stat);
- return err ? err : t3_phy_lasi_intr_clear(phy);
-}
-
-static const struct reg_val ael2020_reset_regs[] = {
- /* Erratum #2: CDRLOL asserted, causing PMA link down status */
- { MDIO_MMD_PMAPMD, 0xc003, 0xffff, 0x3101 },
-
- /* force XAUI to send LF when RX_LOS is asserted */
- { MDIO_MMD_PMAPMD, 0xcd40, 0xffff, 0x0001 },
-
- /* allow writes to transceiver module EEPROM on i2c bus */
- { MDIO_MMD_PMAPMD, 0xff02, 0xffff, 0x0023 },
- { MDIO_MMD_PMAPMD, 0xff03, 0xffff, 0x0000 },
- { MDIO_MMD_PMAPMD, 0xff04, 0xffff, 0x0000 },
-
- /* end */
- { 0, 0, 0, 0 }
-};
-/*
- * Reset the PHY and put it into a canonical operating state.
- */
-static int ael2020_reset(struct cphy *phy, int wait)
-{
- int err;
- unsigned int lasi_ctrl;
-
- /* grab current interrupt state */
- err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_CTRL,
- &lasi_ctrl);
- if (err)
- return err;
-
- err = t3_phy_reset(phy, MDIO_MMD_PMAPMD, 125);
- if (err)
- return err;
- msleep(100);
-
- /* basic initialization for all module types */
- phy->priv = edc_none;
- err = set_phy_regs(phy, ael2020_reset_regs);
- if (err)
- return err;
-
- /* determine module type and perform appropriate initialization */
- err = ael2020_get_module_type(phy, 0);
- if (err < 0)
- return err;
- phy->modtype = (u8)err;
- if (err == phy_modtype_twinax || err == phy_modtype_twinax_long)
- err = ael2020_setup_twinax_edc(phy, err);
- else
- err = ael2020_setup_sr_edc(phy);
- if (err)
- return err;
-
- /* reset wipes out interrupts, reenable them if they were on */
- if (lasi_ctrl & 1)
- err = ael2005_intr_enable(phy);
- return err;
-}
-
-/*
- * Handle a PHY interrupt.
- */
-static int ael2020_intr_handler(struct cphy *phy)
-{
- unsigned int stat;
- int ret, edc_needed, cause = 0;
-
- ret = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_INTR, &stat);
- if (ret)
- return ret;
-
- if (stat & (0x1 << AEL2020_GPIO_MODDET)) {
- /* modules have max 300 ms init time after hot plug */
- ret = ael2020_get_module_type(phy, 300);
- if (ret < 0)
- return ret;
-
- phy->modtype = (u8)ret;
- if (ret == phy_modtype_none)
- edc_needed = phy->priv; /* on unplug retain EDC */
- else if (ret == phy_modtype_twinax ||
- ret == phy_modtype_twinax_long)
- edc_needed = edc_twinax;
- else
- edc_needed = edc_sr;
-
- if (edc_needed != phy->priv) {
- ret = ael2020_reset(phy, 0);
- return ret ? ret : cphy_cause_module_change;
- }
- cause = cphy_cause_module_change;
- }
-
- ret = t3_phy_lasi_intr_handler(phy);
- if (ret < 0)
- return ret;
-
- ret |= cause;
- return ret ? ret : cphy_cause_link_change;
-}
-
-static struct cphy_ops ael2020_ops = {
- .reset = ael2020_reset,
- .intr_enable = ael2020_intr_enable,
- .intr_disable = ael2020_intr_disable,
- .intr_clear = ael2020_intr_clear,
- .intr_handler = ael2020_intr_handler,
- .get_link_status = get_link_status_r,
- .power_down = ael1002_power_down,
- .mmds = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS | MDIO_DEVS_PHYXS,
-};
-
-int t3_ael2020_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
- const struct mdio_ops *mdio_ops)
-{
- int err;
-
- cphy_init(phy, adapter, phy_addr, &ael2020_ops, mdio_ops,
- SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_FIBRE |
- SUPPORTED_IRQ, "10GBASE-R");
- msleep(125);
-
- err = set_phy_regs(phy, ael2020_reset_regs);
- if (err)
- return err;
- return 0;
-}
-
-/*
- * Get link status for a 10GBASE-X device.
- */
-static int get_link_status_x(struct cphy *phy, int *link_ok, int *speed,
- int *duplex, int *fc)
-{
- if (link_ok) {
- unsigned int stat0, stat1, stat2;
- int err = t3_mdio_read(phy, MDIO_MMD_PMAPMD,
- MDIO_PMA_RXDET, &stat0);
-
- if (!err)
- err = t3_mdio_read(phy, MDIO_MMD_PCS,
- MDIO_PCS_10GBX_STAT1, &stat1);
- if (!err)
- err = t3_mdio_read(phy, MDIO_MMD_PHYXS,
- MDIO_PHYXS_LNSTAT, &stat2);
- if (err)
- return err;
- *link_ok = (stat0 & (stat1 >> 12) & (stat2 >> 12)) & 1;
- }
- if (speed)
- *speed = SPEED_10000;
- if (duplex)
- *duplex = DUPLEX_FULL;
- return 0;
-}
-
-static struct cphy_ops qt2045_ops = {
- .reset = ael1006_reset,
- .intr_enable = t3_phy_lasi_intr_enable,
- .intr_disable = t3_phy_lasi_intr_disable,
- .intr_clear = t3_phy_lasi_intr_clear,
- .intr_handler = t3_phy_lasi_intr_handler,
- .get_link_status = get_link_status_x,
- .power_down = ael1002_power_down,
- .mmds = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS | MDIO_DEVS_PHYXS,
-};
-
-int t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter,
- int phy_addr, const struct mdio_ops *mdio_ops)
-{
- unsigned int stat;
-
- cphy_init(phy, adapter, phy_addr, &qt2045_ops, mdio_ops,
- SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_TP,
- "10GBASE-CX4");
-
- /*
- * Some cards where the PHY is supposed to be at address 0 actually
- * have it at 1.
- */
- if (!phy_addr &&
- !t3_mdio_read(phy, MDIO_MMD_PMAPMD, MDIO_STAT1, &stat) &&
- stat == 0xffff)
- phy->mdio.prtad = 1;
- return 0;
-}
-
-static int xaui_direct_reset(struct cphy *phy, int wait)
-{
- return 0;
-}
-
-static int xaui_direct_get_link_status(struct cphy *phy, int *link_ok,
- int *speed, int *duplex, int *fc)
-{
- if (link_ok) {
- unsigned int status;
- int prtad = phy->mdio.prtad;
-
- status = t3_read_reg(phy->adapter,
- XGM_REG(A_XGM_SERDES_STAT0, prtad)) |
- t3_read_reg(phy->adapter,
- XGM_REG(A_XGM_SERDES_STAT1, prtad)) |
- t3_read_reg(phy->adapter,
- XGM_REG(A_XGM_SERDES_STAT2, prtad)) |
- t3_read_reg(phy->adapter,
- XGM_REG(A_XGM_SERDES_STAT3, prtad));
- *link_ok = !(status & F_LOWSIG0);
- }
- if (speed)
- *speed = SPEED_10000;
- if (duplex)
- *duplex = DUPLEX_FULL;
- return 0;
-}
-
-static int xaui_direct_power_down(struct cphy *phy, int enable)
-{
- return 0;
-}
-
-static struct cphy_ops xaui_direct_ops = {
- .reset = xaui_direct_reset,
- .intr_enable = ael1002_intr_noop,
- .intr_disable = ael1002_intr_noop,
- .intr_clear = ael1002_intr_noop,
- .intr_handler = ael1002_intr_noop,
- .get_link_status = xaui_direct_get_link_status,
- .power_down = xaui_direct_power_down,
-};
-
-int t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
- int phy_addr, const struct mdio_ops *mdio_ops)
-{
- cphy_init(phy, adapter, phy_addr, &xaui_direct_ops, mdio_ops,
- SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_TP,
- "10GBASE-CX4");
- return 0;
-}