From 2bfba3c444fe8b2ab1c38112a89d8f03b61136ca Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 21 Oct 2008 20:57:23 +0200 Subject: ide: remove useless subdirs from drivers/ide/ Suggested-by: Ralf Baechle Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/qd65xx.c | 429 -------------------------------------------- 1 file changed, 429 deletions(-) delete mode 100644 drivers/ide/legacy/qd65xx.c (limited to 'drivers/ide/legacy/qd65xx.c') diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c deleted file mode 100644 index bc27c7aba936..000000000000 --- a/drivers/ide/legacy/qd65xx.c +++ /dev/null @@ -1,429 +0,0 @@ -/* - * Copyright (C) 1996-2001 Linus Torvalds & author (see below) - */ - -/* - * Version 0.03 Cleaned auto-tune, added probe - * Version 0.04 Added second channel tuning - * Version 0.05 Enhanced tuning ; added qd6500 support - * Version 0.06 Added dos driver's list - * Version 0.07 Second channel bug fix - * - * QDI QD6500/QD6580 EIDE controller fast support - * - * To activate controller support, use "ide0=qd65xx" - */ - -/* - * Rewritten from the work of Colten Edwards by - * Samuel Thibault - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define DRV_NAME "qd65xx" - -#include "qd65xx.h" - -/* - * I/O ports are 0x30-0x31 (and 0x32-0x33 for qd6580) - * or 0xb0-0xb1 (and 0xb2-0xb3 for qd6580) - * -- qd6500 is a single IDE interface - * -- qd6580 is a dual IDE interface - * - * More research on qd6580 being done by willmore@cig.mot.com (David) - * More Information given by Petr Soucek (petr@ryston.cz) - * http://www.ryston.cz/petr/vlb - */ - -/* - * base: Timer1 - * - * - * base+0x01: Config (R/O) - * - * bit 0: ide baseport: 1 = 0x1f0 ; 0 = 0x170 (only useful for qd6500) - * bit 1: qd65xx baseport: 1 = 0xb0 ; 0 = 0x30 - * bit 2: ID3: bus speed: 1 = <=33MHz ; 0 = >33MHz - * bit 3: qd6500: 1 = disabled, 0 = enabled - * qd6580: 1 - * upper nibble: - * qd6500: 1100 - * qd6580: either 1010 or 0101 - * - * - * base+0x02: Timer2 (qd6580 only) - * - * - * base+0x03: Control (qd6580 only) - * - * bits 0-3 must always be set 1 - * bit 4 must be set 1, but is set 0 by dos driver while measuring vlb clock - * bit 0 : 1 = Only primary port enabled : channel 0 for hda, channel 1 for hdb - * 0 = Primary and Secondary ports enabled : channel 0 for hda & hdb - * channel 1 for hdc & hdd - * bit 1 : 1 = only disks on primary port - * 0 = disks & ATAPI devices on primary port - * bit 2-4 : always 0 - * bit 5 : status, but of what ? - * bit 6 : always set 1 by dos driver - * bit 7 : set 1 for non-ATAPI devices on primary port - * (maybe read-ahead and post-write buffer ?) - */ - -static int timings[4]={-1,-1,-1,-1}; /* stores current timing for each timer */ - -/* - * qd65xx_select: - * - * This routine is invoked to prepare for access to a given drive. - */ - -static void qd65xx_select(ide_drive_t *drive) -{ - u8 index = (( (QD_TIMREG(drive)) & 0x80 ) >> 7) | - (QD_TIMREG(drive) & 0x02); - - if (timings[index] != QD_TIMING(drive)) - outb(timings[index] = QD_TIMING(drive), QD_TIMREG(drive)); -} - -/* - * qd6500_compute_timing - * - * computes the timing value where - * lower nibble represents active time, in count of VLB clocks - * upper nibble represents recovery time, in count of VLB clocks - */ - -static u8 qd6500_compute_timing (ide_hwif_t *hwif, int active_time, int recovery_time) -{ - int clk = ide_vlb_clk ? ide_vlb_clk : 50; - u8 act_cyc, rec_cyc; - - if (clk <= 33) { - act_cyc = 9 - IDE_IN(active_time * clk / 1000 + 1, 2, 9); - rec_cyc = 15 - IDE_IN(recovery_time * clk / 1000 + 1, 0, 15); - } else { - act_cyc = 8 - IDE_IN(active_time * clk / 1000 + 1, 1, 8); - rec_cyc = 18 - IDE_IN(recovery_time * clk / 1000 + 1, 3, 18); - } - - return (rec_cyc << 4) | 0x08 | act_cyc; -} - -/* - * qd6580_compute_timing - * - * idem for qd6580 - */ - -static u8 qd6580_compute_timing (int active_time, int recovery_time) -{ - int clk = ide_vlb_clk ? ide_vlb_clk : 50; - u8 act_cyc, rec_cyc; - - act_cyc = 17 - IDE_IN(active_time * clk / 1000 + 1, 2, 17); - rec_cyc = 15 - IDE_IN(recovery_time * clk / 1000 + 1, 2, 15); - - return (rec_cyc << 4) | act_cyc; -} - -/* - * qd_find_disk_type - * - * tries to find timing from dos driver's table - */ - -static int qd_find_disk_type (ide_drive_t *drive, - int *active_time, int *recovery_time) -{ - struct qd65xx_timing_s *p; - char *m = (char *)&drive->id[ATA_ID_PROD]; - char model[ATA_ID_PROD_LEN]; - - if (*m == 0) - return 0; - - strncpy(model, m, ATA_ID_PROD_LEN); - ide_fixstring(model, ATA_ID_PROD_LEN, 1); /* byte-swap */ - - for (p = qd65xx_timing ; p->offset != -1 ; p++) { - if (!strncmp(p->model, model+p->offset, 4)) { - printk(KERN_DEBUG "%s: listed !\n", drive->name); - *active_time = p->active; - *recovery_time = p->recovery; - return 1; - } - } - return 0; -} - -/* - * qd_set_timing: - * - * records the timing - */ - -static void qd_set_timing (ide_drive_t *drive, u8 timing) -{ - drive->drive_data &= 0xff00; - drive->drive_data |= timing; - - printk(KERN_DEBUG "%s: %#x\n", drive->name, timing); -} - -static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - u16 *id = drive->id; - int active_time = 175; - int recovery_time = 415; /* worst case values from the dos driver */ - - /* - * FIXME: use "pio" value - */ - if (!qd_find_disk_type(drive, &active_time, &recovery_time) && - (id[ATA_ID_OLD_PIO_MODES] & 0xff) && (id[ATA_ID_FIELD_VALID] & 2) && - id[ATA_ID_EIDE_PIO] >= 240) { - printk(KERN_INFO "%s: PIO mode%d\n", drive->name, - id[ATA_ID_OLD_PIO_MODES] & 0xff); - active_time = 110; - recovery_time = drive->id[ATA_ID_EIDE_PIO] - 120; - } - - qd_set_timing(drive, qd6500_compute_timing(HWIF(drive), active_time, recovery_time)); -} - -static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - ide_hwif_t *hwif = drive->hwif; - struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); - unsigned int cycle_time; - int active_time = 175; - int recovery_time = 415; /* worst case values from the dos driver */ - u8 base = (hwif->config_data & 0xff00) >> 8; - - if (drive->id && !qd_find_disk_type(drive, &active_time, &recovery_time)) { - cycle_time = ide_pio_cycle_time(drive, pio); - - switch (pio) { - case 0: break; - case 3: - if (cycle_time >= 110) { - active_time = 86; - recovery_time = cycle_time - 102; - } else - printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name); - break; - case 4: - if (cycle_time >= 69) { - active_time = 70; - recovery_time = cycle_time - 61; - } else - printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name); - break; - default: - if (cycle_time >= 180) { - active_time = 110; - recovery_time = cycle_time - 120; - } else { - active_time = t->active; - recovery_time = cycle_time - active_time; - } - } - printk(KERN_INFO "%s: PIO mode%d\n", drive->name,pio); - } - - if (!HWIF(drive)->channel && drive->media != ide_disk) { - outb(0x5f, QD_CONTROL_PORT); - printk(KERN_WARNING "%s: ATAPI: disabled read-ahead FIFO " - "and post-write buffer on %s.\n", - drive->name, HWIF(drive)->name); - } - - qd_set_timing(drive, qd6580_compute_timing(active_time, recovery_time)); -} - -/* - * qd_testreg - * - * tests if the given port is a register - */ - -static int __init qd_testreg(int port) -{ - unsigned long flags; - u8 savereg, readreg; - - local_irq_save(flags); - savereg = inb_p(port); - outb_p(QD_TESTVAL, port); /* safe value */ - readreg = inb_p(port); - outb(savereg, port); - local_irq_restore(flags); - - if (savereg == QD_TESTVAL) { - printk(KERN_ERR "Outch ! the probe for qd65xx isn't reliable !\n"); - printk(KERN_ERR "Please contact maintainers to tell about your hardware\n"); - printk(KERN_ERR "Assuming qd65xx is not present.\n"); - return 1; - } - - return (readreg != QD_TESTVAL); -} - -static void __init qd6500_init_dev(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 base = (hwif->config_data & 0xff00) >> 8; - u8 config = QD_CONFIG(hwif); - - drive->drive_data = QD6500_DEF_DATA; -} - -static void __init qd6580_init_dev(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u16 t1, t2; - u8 base = (hwif->config_data & 0xff00) >> 8; - u8 config = QD_CONFIG(hwif); - - if (hwif->host_flags & IDE_HFLAG_SINGLE) { - t1 = QD6580_DEF_DATA; - t2 = QD6580_DEF_DATA2; - } else - t2 = t1 = hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA; - - drive->drive_data = (drive->dn & 1) ? t2 : t1; -} - -static const struct ide_port_ops qd6500_port_ops = { - .init_dev = qd6500_init_dev, - .set_pio_mode = qd6500_set_pio_mode, - .selectproc = qd65xx_select, -}; - -static const struct ide_port_ops qd6580_port_ops = { - .init_dev = qd6580_init_dev, - .set_pio_mode = qd6580_set_pio_mode, - .selectproc = qd65xx_select, -}; - -static const struct ide_port_info qd65xx_port_info __initdata = { - .name = DRV_NAME, - .chipset = ide_qd65xx, - .host_flags = IDE_HFLAG_IO_32BIT | - IDE_HFLAG_NO_DMA, - .pio_mask = ATA_PIO4, -}; - -/* - * qd_probe: - * - * looks at the specified baseport, and if qd found, registers & initialises it - * return 1 if another qd may be probed - */ - -static int __init qd_probe(int base) -{ - int rc; - u8 config, unit, control; - struct ide_port_info d = qd65xx_port_info; - - config = inb(QD_CONFIG_PORT); - - if (! ((config & QD_CONFIG_BASEPORT) >> 1 == (base == 0xb0)) ) - return -ENODEV; - - unit = ! (config & QD_CONFIG_IDE_BASEPORT); - - if (unit) - d.host_flags |= IDE_HFLAG_QD_2ND_PORT; - - switch (config & 0xf0) { - case QD_CONFIG_QD6500: - if (qd_testreg(base)) - return -ENODEV; /* bad register */ - - if (config & QD_CONFIG_DISABLED) { - printk(KERN_WARNING "qd6500 is disabled !\n"); - return -ENODEV; - } - - printk(KERN_NOTICE "qd6500 at %#x\n", base); - printk(KERN_DEBUG "qd6500: config=%#x, ID3=%u\n", - config, QD_ID3); - - d.port_ops = &qd6500_port_ops; - d.host_flags |= IDE_HFLAG_SINGLE; - break; - case QD_CONFIG_QD6580_A: - case QD_CONFIG_QD6580_B: - if (qd_testreg(base) || qd_testreg(base + 0x02)) - return -ENODEV; /* bad registers */ - - control = inb(QD_CONTROL_PORT); - - printk(KERN_NOTICE "qd6580 at %#x\n", base); - printk(KERN_DEBUG "qd6580: config=%#x, control=%#x, ID3=%u\n", - config, control, QD_ID3); - - outb(QD_DEF_CONTR, QD_CONTROL_PORT); - - d.port_ops = &qd6580_port_ops; - if (control & QD_CONTR_SEC_DISABLED) - d.host_flags |= IDE_HFLAG_SINGLE; - - printk(KERN_INFO "qd6580: %s IDE board\n", - (control & QD_CONTR_SEC_DISABLED) ? "single" : "dual"); - break; - default: - return -ENODEV; - } - - rc = ide_legacy_device_add(&d, (base << 8) | config); - - if (d.host_flags & IDE_HFLAG_SINGLE) - return (rc == 0) ? 1 : rc; - - return rc; -} - -static int probe_qd65xx; - -module_param_named(probe, probe_qd65xx, bool, 0); -MODULE_PARM_DESC(probe, "probe for QD65xx chipsets"); - -static int __init qd65xx_init(void) -{ - int rc1, rc2 = -ENODEV; - - if (probe_qd65xx == 0) - return -ENODEV; - - rc1 = qd_probe(0x30); - if (rc1) - rc2 = qd_probe(0xb0); - - if (rc1 < 0 && rc2 < 0) - return -ENODEV; - - return 0; -} - -module_init(qd65xx_init); - -MODULE_AUTHOR("Samuel Thibault"); -MODULE_DESCRIPTION("support of qd65xx vlb ide chipset"); -MODULE_LICENSE("GPL"); -- cgit v1.2.2