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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-21 20:57:23 +0200 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-21 20:57:23 +0200 |
commit | 2bfba3c444fe8b2ab1c38112a89d8f03b61136ca (patch) | |
tree | 17580eee63d868c9d6b97a6bc956a08f25631532 /drivers/ide/pci/pdc202xx_new.c | |
parent | binfmt_elf_fdpic: Update for cputime changes. (diff) | |
download | linux-2bfba3c444fe8b2ab1c38112a89d8f03b61136ca.tar.xz linux-2bfba3c444fe8b2ab1c38112a89d8f03b61136ca.zip |
ide: remove useless subdirs from drivers/ide/
Suggested-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci/pdc202xx_new.c')
-rw-r--r-- | drivers/ide/pci/pdc202xx_new.c | 588 |
1 files changed, 0 insertions, 588 deletions
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c deleted file mode 100644 index 211ae46e3e0c..000000000000 --- a/drivers/ide/pci/pdc202xx_new.c +++ /dev/null @@ -1,588 +0,0 @@ -/* - * Promise TX2/TX4/TX2000/133 IDE driver - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * Split from: - * linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002 - * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> - * Copyright (C) 2005-2007 MontaVista Software, Inc. - * Portions Copyright (C) 1999 Promise Technology, Inc. - * Author: Frank Tiernan (frankt@promise.com) - * Released under terms of General Public License - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/ide.h> - -#include <asm/io.h> - -#ifdef CONFIG_PPC_PMAC -#include <asm/prom.h> -#include <asm/pci-bridge.h> -#endif - -#define DRV_NAME "pdc202xx_new" - -#undef DEBUG - -#ifdef DEBUG -#define DBG(fmt, args...) printk("%s: " fmt, __func__, ## args) -#else -#define DBG(fmt, args...) -#endif - -static const char *pdc_quirk_drives[] = { - "QUANTUM FIREBALLlct08 08", - "QUANTUM FIREBALLP KA6.4", - "QUANTUM FIREBALLP KA9.1", - "QUANTUM FIREBALLP LM20.4", - "QUANTUM FIREBALLP KX13.6", - "QUANTUM FIREBALLP KX20.5", - "QUANTUM FIREBALLP KX27.3", - "QUANTUM FIREBALLP LM20.5", - NULL -}; - -static u8 max_dma_rate(struct pci_dev *pdev) -{ - u8 mode; - - switch(pdev->device) { - case PCI_DEVICE_ID_PROMISE_20277: - case PCI_DEVICE_ID_PROMISE_20276: - case PCI_DEVICE_ID_PROMISE_20275: - case PCI_DEVICE_ID_PROMISE_20271: - case PCI_DEVICE_ID_PROMISE_20269: - mode = 4; - break; - case PCI_DEVICE_ID_PROMISE_20270: - case PCI_DEVICE_ID_PROMISE_20268: - mode = 3; - break; - default: - return 0; - } - - return mode; -} - -/** - * get_indexed_reg - Get indexed register - * @hwif: for the port address - * @index: index of the indexed register - */ -static u8 get_indexed_reg(ide_hwif_t *hwif, u8 index) -{ - u8 value; - - outb(index, hwif->dma_base + 1); - value = inb(hwif->dma_base + 3); - - DBG("index[%02X] value[%02X]\n", index, value); - return value; -} - -/** - * set_indexed_reg - Set indexed register - * @hwif: for the port address - * @index: index of the indexed register - */ -static void set_indexed_reg(ide_hwif_t *hwif, u8 index, u8 value) -{ - outb(index, hwif->dma_base + 1); - outb(value, hwif->dma_base + 3); - DBG("index[%02X] value[%02X]\n", index, value); -} - -/* - * ATA Timing Tables based on 133 MHz PLL output clock. - * - * If the PLL outputs 100 MHz clock, the ASIC hardware will set - * the timing registers automatically when "set features" command is - * issued to the device. However, if the PLL output clock is 133 MHz, - * the following tables must be used. - */ -static struct pio_timing { - u8 reg0c, reg0d, reg13; -} pio_timings [] = { - { 0xfb, 0x2b, 0xac }, /* PIO mode 0, IORDY off, Prefetch off */ - { 0x46, 0x29, 0xa4 }, /* PIO mode 1, IORDY off, Prefetch off */ - { 0x23, 0x26, 0x64 }, /* PIO mode 2, IORDY off, Prefetch off */ - { 0x27, 0x0d, 0x35 }, /* PIO mode 3, IORDY on, Prefetch off */ - { 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */ -}; - -static struct mwdma_timing { - u8 reg0e, reg0f; -} mwdma_timings [] = { - { 0xdf, 0x5f }, /* MWDMA mode 0 */ - { 0x6b, 0x27 }, /* MWDMA mode 1 */ - { 0x69, 0x25 }, /* MWDMA mode 2 */ -}; - -static struct udma_timing { - u8 reg10, reg11, reg12; -} udma_timings [] = { - { 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */ - { 0x3a, 0x0a, 0xd0 }, /* UDMA mode 1 */ - { 0x2a, 0x07, 0xcd }, /* UDMA mode 2 */ - { 0x1a, 0x05, 0xcd }, /* UDMA mode 3 */ - { 0x1a, 0x03, 0xcd }, /* UDMA mode 4 */ - { 0x1a, 0x02, 0xcb }, /* UDMA mode 5 */ - { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */ -}; - -static void pdcnew_set_dma_mode(ide_drive_t *drive, const u8 speed) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = to_pci_dev(hwif->dev); - u8 adj = (drive->dn & 1) ? 0x08 : 0x00; - - /* - * IDE core issues SETFEATURES_XFER to the drive first (thanks to - * IDE_HFLAG_POST_SET_MODE in ->host_flags). PDC202xx hardware will - * automatically set the timing registers based on 100 MHz PLL output. - * - * As we set up the PLL to output 133 MHz for UltraDMA/133 capable - * chips, we must override the default register settings... - */ - if (max_dma_rate(dev) == 4) { - u8 mode = speed & 0x07; - - if (speed >= XFER_UDMA_0) { - set_indexed_reg(hwif, 0x10 + adj, - udma_timings[mode].reg10); - set_indexed_reg(hwif, 0x11 + adj, - udma_timings[mode].reg11); - set_indexed_reg(hwif, 0x12 + adj, - udma_timings[mode].reg12); - } else { - set_indexed_reg(hwif, 0x0e + adj, - mwdma_timings[mode].reg0e); - set_indexed_reg(hwif, 0x0f + adj, - mwdma_timings[mode].reg0f); - } - } else if (speed == XFER_UDMA_2) { - /* Set tHOLD bit to 0 if using UDMA mode 2 */ - u8 tmp = get_indexed_reg(hwif, 0x10 + adj); - - set_indexed_reg(hwif, 0x10 + adj, tmp & 0x7f); - } -} - -static void pdcnew_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - ide_hwif_t *hwif = drive->hwif; - struct pci_dev *dev = to_pci_dev(hwif->dev); - u8 adj = (drive->dn & 1) ? 0x08 : 0x00; - - if (max_dma_rate(dev) == 4) { - set_indexed_reg(hwif, 0x0c + adj, pio_timings[pio].reg0c); - set_indexed_reg(hwif, 0x0d + adj, pio_timings[pio].reg0d); - set_indexed_reg(hwif, 0x13 + adj, pio_timings[pio].reg13); - } -} - -static u8 pdcnew_cable_detect(ide_hwif_t *hwif) -{ - if (get_indexed_reg(hwif, 0x0b) & 0x04) - return ATA_CBL_PATA40; - else - return ATA_CBL_PATA80; -} - -static void pdcnew_quirkproc(ide_drive_t *drive) -{ - const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; - - for (list = pdc_quirk_drives; *list != NULL; list++) - if (strstr(m, *list) != NULL) { - drive->quirk_list = 2; - return; - } - - drive->quirk_list = 0; -} - -static void pdcnew_reset(ide_drive_t *drive) -{ - /* - * Deleted this because it is redundant from the caller. - */ - printk(KERN_WARNING "pdc202xx_new: %s channel reset.\n", - HWIF(drive)->channel ? "Secondary" : "Primary"); -} - -/** - * read_counter - Read the byte count registers - * @dma_base: for the port address - */ -static long read_counter(u32 dma_base) -{ - u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08; - u8 cnt0, cnt1, cnt2, cnt3; - long count = 0, last; - int retry = 3; - - do { - last = count; - - /* Read the current count */ - outb(0x20, pri_dma_base + 0x01); - cnt0 = inb(pri_dma_base + 0x03); - outb(0x21, pri_dma_base + 0x01); - cnt1 = inb(pri_dma_base + 0x03); - outb(0x20, sec_dma_base + 0x01); - cnt2 = inb(sec_dma_base + 0x03); - outb(0x21, sec_dma_base + 0x01); - cnt3 = inb(sec_dma_base + 0x03); - - count = (cnt3 << 23) | (cnt2 << 15) | (cnt1 << 8) | cnt0; - - /* - * The 30-bit decrementing counter is read in 4 pieces. - * Incorrect value may be read when the most significant bytes - * are changing... - */ - } while (retry-- && (((last ^ count) & 0x3fff8000) || last < count)); - - DBG("cnt0[%02X] cnt1[%02X] cnt2[%02X] cnt3[%02X]\n", - cnt0, cnt1, cnt2, cnt3); - - return count; -} - -/** - * detect_pll_input_clock - Detect the PLL input clock in Hz. - * @dma_base: for the port address - * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock. - */ -static long detect_pll_input_clock(unsigned long dma_base) -{ - struct timeval start_time, end_time; - long start_count, end_count; - long pll_input, usec_elapsed; - u8 scr1; - - start_count = read_counter(dma_base); - do_gettimeofday(&start_time); - - /* Start the test mode */ - outb(0x01, dma_base + 0x01); - scr1 = inb(dma_base + 0x03); - DBG("scr1[%02X]\n", scr1); - outb(scr1 | 0x40, dma_base + 0x03); - - /* Let the counter run for 10 ms. */ - mdelay(10); - - end_count = read_counter(dma_base); - do_gettimeofday(&end_time); - - /* Stop the test mode */ - outb(0x01, dma_base + 0x01); - scr1 = inb(dma_base + 0x03); - DBG("scr1[%02X]\n", scr1); - outb(scr1 & ~0x40, dma_base + 0x03); - - /* - * Calculate the input clock in Hz - * (the clock counter is 30 bit wide and counts down) - */ - usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 + - (end_time.tv_usec - start_time.tv_usec); - pll_input = ((start_count - end_count) & 0x3fffffff) / 10 * - (10000000 / usec_elapsed); - - DBG("start[%ld] end[%ld]\n", start_count, end_count); - - return pll_input; -} - -#ifdef CONFIG_PPC_PMAC -static void apple_kiwi_init(struct pci_dev *pdev) -{ - struct device_node *np = pci_device_to_OF_node(pdev); - u8 conf; - - if (np == NULL || !of_device_is_compatible(np, "kiwi-root")) - return; - - if (pdev->revision >= 0x03) { - /* Setup chip magic config stuff (from darwin) */ - pci_read_config_byte (pdev, 0x40, &conf); - pci_write_config_byte(pdev, 0x40, (conf | 0x01)); - } -} -#endif /* CONFIG_PPC_PMAC */ - -static unsigned int init_chipset_pdcnew(struct pci_dev *dev) -{ - const char *name = DRV_NAME; - unsigned long dma_base = pci_resource_start(dev, 4); - unsigned long sec_dma_base = dma_base + 0x08; - long pll_input, pll_output, ratio; - int f, r; - u8 pll_ctl0, pll_ctl1; - - if (dma_base == 0) - return -EFAULT; - -#ifdef CONFIG_PPC_PMAC - apple_kiwi_init(dev); -#endif - - /* Calculate the required PLL output frequency */ - switch(max_dma_rate(dev)) { - case 4: /* it's 133 MHz for Ultra133 chips */ - pll_output = 133333333; - break; - case 3: /* and 100 MHz for Ultra100 chips */ - default: - pll_output = 100000000; - break; - } - - /* - * Detect PLL input clock. - * On some systems, where PCI bus is running at non-standard clock rate - * (e.g. 25 or 40 MHz), we have to adjust the cycle time. - * PDC20268 and newer chips employ PLL circuit to help correct timing - * registers setting. - */ - pll_input = detect_pll_input_clock(dma_base); - printk(KERN_INFO "%s %s: PLL input clock is %ld kHz\n", - name, pci_name(dev), pll_input / 1000); - - /* Sanity check */ - if (unlikely(pll_input < 5000000L || pll_input > 70000000L)) { - printk(KERN_ERR "%s %s: Bad PLL input clock %ld Hz, giving up!" - "\n", name, pci_name(dev), pll_input); - goto out; - } - -#ifdef DEBUG - DBG("pll_output is %ld Hz\n", pll_output); - - /* Show the current clock value of PLL control register - * (maybe already configured by the BIOS) - */ - outb(0x02, sec_dma_base + 0x01); - pll_ctl0 = inb(sec_dma_base + 0x03); - outb(0x03, sec_dma_base + 0x01); - pll_ctl1 = inb(sec_dma_base + 0x03); - - DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); -#endif - - /* - * Calculate the ratio of F, R and NO - * POUT = (F + 2) / (( R + 2) * NO) - */ - ratio = pll_output / (pll_input / 1000); - if (ratio < 8600L) { /* 8.6x */ - /* Using NO = 0x01, R = 0x0d */ - r = 0x0d; - } else if (ratio < 12900L) { /* 12.9x */ - /* Using NO = 0x01, R = 0x08 */ - r = 0x08; - } else if (ratio < 16100L) { /* 16.1x */ - /* Using NO = 0x01, R = 0x06 */ - r = 0x06; - } else if (ratio < 64000L) { /* 64x */ - r = 0x00; - } else { - /* Invalid ratio */ - printk(KERN_ERR "%s %s: Bad ratio %ld, giving up!\n", - name, pci_name(dev), ratio); - goto out; - } - - f = (ratio * (r + 2)) / 1000 - 2; - - DBG("F[%d] R[%d] ratio*1000[%ld]\n", f, r, ratio); - - if (unlikely(f < 0 || f > 127)) { - /* Invalid F */ - printk(KERN_ERR "%s %s: F[%d] invalid!\n", - name, pci_name(dev), f); - goto out; - } - - pll_ctl0 = (u8) f; - pll_ctl1 = (u8) r; - - DBG("Writing pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); - - outb(0x02, sec_dma_base + 0x01); - outb(pll_ctl0, sec_dma_base + 0x03); - outb(0x03, sec_dma_base + 0x01); - outb(pll_ctl1, sec_dma_base + 0x03); - - /* Wait the PLL circuit to be stable */ - mdelay(30); - -#ifdef DEBUG - /* - * Show the current clock value of PLL control register - */ - outb(0x02, sec_dma_base + 0x01); - pll_ctl0 = inb(sec_dma_base + 0x03); - outb(0x03, sec_dma_base + 0x01); - pll_ctl1 = inb(sec_dma_base + 0x03); - - DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); -#endif - - out: - return dev->irq; -} - -static struct pci_dev * __devinit pdc20270_get_dev2(struct pci_dev *dev) -{ - struct pci_dev *dev2; - - dev2 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn) + 1, - PCI_FUNC(dev->devfn))); - - if (dev2 && - dev2->vendor == dev->vendor && - dev2->device == dev->device) { - - if (dev2->irq != dev->irq) { - dev2->irq = dev->irq; - printk(KERN_INFO DRV_NAME " %s: PCI config space " - "interrupt fixed\n", pci_name(dev)); - } - - return dev2; - } - - return NULL; -} - -static const struct ide_port_ops pdcnew_port_ops = { - .set_pio_mode = pdcnew_set_pio_mode, - .set_dma_mode = pdcnew_set_dma_mode, - .quirkproc = pdcnew_quirkproc, - .resetproc = pdcnew_reset, - .cable_detect = pdcnew_cable_detect, -}; - -#define DECLARE_PDCNEW_DEV(udma) \ - { \ - .name = DRV_NAME, \ - .init_chipset = init_chipset_pdcnew, \ - .port_ops = &pdcnew_port_ops, \ - .host_flags = IDE_HFLAG_POST_SET_MODE | \ - IDE_HFLAG_ERROR_STOPS_FIFO | \ - IDE_HFLAG_OFF_BOARD, \ - .pio_mask = ATA_PIO4, \ - .mwdma_mask = ATA_MWDMA2, \ - .udma_mask = udma, \ - } - -static const struct ide_port_info pdcnew_chipsets[] __devinitdata = { - /* 0: PDC202{68,70} */ DECLARE_PDCNEW_DEV(ATA_UDMA5), - /* 1: PDC202{69,71,75,76,77} */ DECLARE_PDCNEW_DEV(ATA_UDMA6), -}; - -/** - * pdc202new_init_one - called when a pdc202xx is found - * @dev: the pdc202new device - * @id: the matching pci id - * - * Called when the PCI registration layer (or the IDE initialization) - * finds a device matching our IDE device tables. - */ - -static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id) -{ - const struct ide_port_info *d = &pdcnew_chipsets[id->driver_data]; - struct pci_dev *bridge = dev->bus->self; - - if (dev->device == PCI_DEVICE_ID_PROMISE_20270 && bridge && - bridge->vendor == PCI_VENDOR_ID_DEC && - bridge->device == PCI_DEVICE_ID_DEC_21150) { - struct pci_dev *dev2; - - if (PCI_SLOT(dev->devfn) & 2) - return -ENODEV; - - dev2 = pdc20270_get_dev2(dev); - - if (dev2) { - int ret = ide_pci_init_two(dev, dev2, d, NULL); - if (ret < 0) - pci_dev_put(dev2); - return ret; - } - } - - if (dev->device == PCI_DEVICE_ID_PROMISE_20276 && bridge && - bridge->vendor == PCI_VENDOR_ID_INTEL && - (bridge->device == PCI_DEVICE_ID_INTEL_I960 || - bridge->device == PCI_DEVICE_ID_INTEL_I960RM)) { - printk(KERN_INFO DRV_NAME " %s: attached to I2O RAID controller," - " skipping\n", pci_name(dev)); - return -ENODEV; - } - - return ide_pci_init_one(dev, d, NULL); -} - -static void __devexit pdc202new_remove(struct pci_dev *dev) -{ - struct ide_host *host = pci_get_drvdata(dev); - struct pci_dev *dev2 = host->dev[1] ? to_pci_dev(host->dev[1]) : NULL; - - ide_pci_remove(dev); - pci_dev_put(dev2); -} - -static const struct pci_device_id pdc202new_pci_tbl[] = { - { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20268), 0 }, - { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20269), 1 }, - { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20270), 0 }, - { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20271), 1 }, - { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20275), 1 }, - { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20276), 1 }, - { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20277), 1 }, - { 0, }, -}; -MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl); - -static struct pci_driver pdc202new_pci_driver = { - .name = "Promise_IDE", - .id_table = pdc202new_pci_tbl, - .probe = pdc202new_init_one, - .remove = __devexit_p(pdc202new_remove), - .suspend = ide_pci_suspend, - .resume = ide_pci_resume, -}; - -static int __init pdc202new_ide_init(void) -{ - return ide_pci_register_driver(&pdc202new_pci_driver); -} - -static void __exit pdc202new_ide_exit(void) -{ - pci_unregister_driver(&pdc202new_pci_driver); -} - -module_init(pdc202new_ide_init); -module_exit(pdc202new_ide_exit); - -MODULE_AUTHOR("Andre Hedrick, Frank Tiernan"); -MODULE_DESCRIPTION("PCI driver module for Promise PDC20268 and higher"); -MODULE_LICENSE("GPL"); |