Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Copyright (C) 1996-2001 Linus Torvalds & author (see below) |
| 3 | */ |
| 4 | |
| 5 | /* |
| 6 | * Version 0.03 Cleaned auto-tune, added probe |
| 7 | * Version 0.04 Added second channel tuning |
| 8 | * Version 0.05 Enhanced tuning ; added qd6500 support |
| 9 | * Version 0.06 Added dos driver's list |
| 10 | * Version 0.07 Second channel bug fix |
| 11 | * |
| 12 | * QDI QD6500/QD6580 EIDE controller fast support |
| 13 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | * To activate controller support, use "ide0=qd65xx" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | /* |
| 18 | * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by |
Samuel Thibault | 5193535 | 2009-02-03 13:12:58 +0100 | [diff] [blame] | 19 | * Samuel Thibault <samuel.thibault@ens-lyon.org> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | */ |
| 21 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/types.h> |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/timer.h> |
| 27 | #include <linux/mm.h> |
| 28 | #include <linux/ioport.h> |
| 29 | #include <linux/blkdev.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/ide.h> |
| 31 | #include <linux/init.h> |
| 32 | #include <asm/system.h> |
| 33 | #include <asm/io.h> |
| 34 | |
Bartlomiej Zolnierkiewicz | d92f1a2 | 2008-04-26 22:25:18 +0200 | [diff] [blame] | 35 | #define DRV_NAME "qd65xx" |
| 36 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | #include "qd65xx.h" |
| 38 | |
| 39 | /* |
| 40 | * I/O ports are 0x30-0x31 (and 0x32-0x33 for qd6580) |
| 41 | * or 0xb0-0xb1 (and 0xb2-0xb3 for qd6580) |
| 42 | * -- qd6500 is a single IDE interface |
| 43 | * -- qd6580 is a dual IDE interface |
| 44 | * |
| 45 | * More research on qd6580 being done by willmore@cig.mot.com (David) |
| 46 | * More Information given by Petr Soucek (petr@ryston.cz) |
| 47 | * http://www.ryston.cz/petr/vlb |
| 48 | */ |
| 49 | |
| 50 | /* |
| 51 | * base: Timer1 |
| 52 | * |
| 53 | * |
| 54 | * base+0x01: Config (R/O) |
| 55 | * |
| 56 | * bit 0: ide baseport: 1 = 0x1f0 ; 0 = 0x170 (only useful for qd6500) |
| 57 | * bit 1: qd65xx baseport: 1 = 0xb0 ; 0 = 0x30 |
| 58 | * bit 2: ID3: bus speed: 1 = <=33MHz ; 0 = >33MHz |
| 59 | * bit 3: qd6500: 1 = disabled, 0 = enabled |
| 60 | * qd6580: 1 |
| 61 | * upper nibble: |
| 62 | * qd6500: 1100 |
| 63 | * qd6580: either 1010 or 0101 |
| 64 | * |
| 65 | * |
| 66 | * base+0x02: Timer2 (qd6580 only) |
| 67 | * |
| 68 | * |
| 69 | * base+0x03: Control (qd6580 only) |
| 70 | * |
| 71 | * bits 0-3 must always be set 1 |
| 72 | * bit 4 must be set 1, but is set 0 by dos driver while measuring vlb clock |
| 73 | * bit 0 : 1 = Only primary port enabled : channel 0 for hda, channel 1 for hdb |
| 74 | * 0 = Primary and Secondary ports enabled : channel 0 for hda & hdb |
| 75 | * channel 1 for hdc & hdd |
| 76 | * bit 1 : 1 = only disks on primary port |
| 77 | * 0 = disks & ATAPI devices on primary port |
| 78 | * bit 2-4 : always 0 |
| 79 | * bit 5 : status, but of what ? |
| 80 | * bit 6 : always set 1 by dos driver |
| 81 | * bit 7 : set 1 for non-ATAPI devices on primary port |
| 82 | * (maybe read-ahead and post-write buffer ?) |
| 83 | */ |
| 84 | |
| 85 | static int timings[4]={-1,-1,-1,-1}; /* stores current timing for each timer */ |
| 86 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | /* |
Bartlomiej Zolnierkiewicz | d07616f | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 88 | * qd65xx_select: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | * |
Bartlomiej Zolnierkiewicz | d07616f | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 90 | * This routine is invoked to prepare for access to a given drive. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | */ |
| 92 | |
Sergei Shtylyov | abb596b | 2009-03-31 20:15:32 +0200 | [diff] [blame] | 93 | static void qd65xx_dev_select(ide_drive_t *drive) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | { |
| 95 | u8 index = (( (QD_TIMREG(drive)) & 0x80 ) >> 7) | |
| 96 | (QD_TIMREG(drive) & 0x02); |
| 97 | |
| 98 | if (timings[index] != QD_TIMING(drive)) |
Bartlomiej Zolnierkiewicz | c196567 | 2007-10-20 00:32:37 +0200 | [diff] [blame] | 99 | outb(timings[index] = QD_TIMING(drive), QD_TIMREG(drive)); |
Sergei Shtylyov | abb596b | 2009-03-31 20:15:32 +0200 | [diff] [blame] | 100 | |
| 101 | outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | /* |
| 105 | * qd6500_compute_timing |
| 106 | * |
| 107 | * computes the timing value where |
| 108 | * lower nibble represents active time, in count of VLB clocks |
| 109 | * upper nibble represents recovery time, in count of VLB clocks |
| 110 | */ |
| 111 | |
| 112 | static u8 qd6500_compute_timing (ide_hwif_t *hwif, int active_time, int recovery_time) |
| 113 | { |
Bartlomiej Zolnierkiewicz | 30e5ee4 | 2008-07-15 21:21:46 +0200 | [diff] [blame] | 114 | int clk = ide_vlb_clk ? ide_vlb_clk : 50; |
Bartlomiej Zolnierkiewicz | ebae41a | 2008-04-27 15:38:29 +0200 | [diff] [blame] | 115 | u8 act_cyc, rec_cyc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | |
Bartlomiej Zolnierkiewicz | ebae41a | 2008-04-27 15:38:29 +0200 | [diff] [blame] | 117 | if (clk <= 33) { |
| 118 | act_cyc = 9 - IDE_IN(active_time * clk / 1000 + 1, 2, 9); |
| 119 | rec_cyc = 15 - IDE_IN(recovery_time * clk / 1000 + 1, 0, 15); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | } else { |
Bartlomiej Zolnierkiewicz | ebae41a | 2008-04-27 15:38:29 +0200 | [diff] [blame] | 121 | act_cyc = 8 - IDE_IN(active_time * clk / 1000 + 1, 1, 8); |
| 122 | rec_cyc = 18 - IDE_IN(recovery_time * clk / 1000 + 1, 3, 18); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | } |
| 124 | |
Bartlomiej Zolnierkiewicz | ebae41a | 2008-04-27 15:38:29 +0200 | [diff] [blame] | 125 | return (rec_cyc << 4) | 0x08 | act_cyc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | /* |
| 129 | * qd6580_compute_timing |
| 130 | * |
| 131 | * idem for qd6580 |
| 132 | */ |
| 133 | |
| 134 | static u8 qd6580_compute_timing (int active_time, int recovery_time) |
| 135 | { |
Bartlomiej Zolnierkiewicz | 30e5ee4 | 2008-07-15 21:21:46 +0200 | [diff] [blame] | 136 | int clk = ide_vlb_clk ? ide_vlb_clk : 50; |
Bartlomiej Zolnierkiewicz | ebae41a | 2008-04-27 15:38:29 +0200 | [diff] [blame] | 137 | u8 act_cyc, rec_cyc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | |
Bartlomiej Zolnierkiewicz | ebae41a | 2008-04-27 15:38:29 +0200 | [diff] [blame] | 139 | act_cyc = 17 - IDE_IN(active_time * clk / 1000 + 1, 2, 17); |
| 140 | rec_cyc = 15 - IDE_IN(recovery_time * clk / 1000 + 1, 2, 15); |
| 141 | |
| 142 | return (rec_cyc << 4) | act_cyc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | /* |
| 146 | * qd_find_disk_type |
| 147 | * |
| 148 | * tries to find timing from dos driver's table |
| 149 | */ |
| 150 | |
| 151 | static int qd_find_disk_type (ide_drive_t *drive, |
| 152 | int *active_time, int *recovery_time) |
| 153 | { |
| 154 | struct qd65xx_timing_s *p; |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 155 | char *m = (char *)&drive->id[ATA_ID_PROD]; |
| 156 | char model[ATA_ID_PROD_LEN]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 158 | if (*m == 0) |
| 159 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 161 | strncpy(model, m, ATA_ID_PROD_LEN); |
| 162 | ide_fixstring(model, ATA_ID_PROD_LEN, 1); /* byte-swap */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | |
| 164 | for (p = qd65xx_timing ; p->offset != -1 ; p++) { |
| 165 | if (!strncmp(p->model, model+p->offset, 4)) { |
| 166 | printk(KERN_DEBUG "%s: listed !\n", drive->name); |
| 167 | *active_time = p->active; |
| 168 | *recovery_time = p->recovery; |
| 169 | return 1; |
| 170 | } |
| 171 | } |
| 172 | return 0; |
| 173 | } |
| 174 | |
| 175 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | * qd_set_timing: |
| 177 | * |
Bartlomiej Zolnierkiewicz | d07616f | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 178 | * records the timing |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | */ |
| 180 | |
| 181 | static void qd_set_timing (ide_drive_t *drive, u8 timing) |
| 182 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | drive->drive_data &= 0xff00; |
| 184 | drive->drive_data |= timing; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | |
| 186 | printk(KERN_DEBUG "%s: %#x\n", drive->name, timing); |
| 187 | } |
| 188 | |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 189 | static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | { |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 191 | u16 *id = drive->id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | int active_time = 175; |
| 193 | int recovery_time = 415; /* worst case values from the dos driver */ |
| 194 | |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 195 | /* |
| 196 | * FIXME: use "pio" value |
| 197 | */ |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 198 | if (!qd_find_disk_type(drive, &active_time, &recovery_time) && |
Bartlomiej Zolnierkiewicz | 48fb268 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 199 | (id[ATA_ID_OLD_PIO_MODES] & 0xff) && (id[ATA_ID_FIELD_VALID] & 2) && |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 200 | id[ATA_ID_EIDE_PIO] >= 240) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | printk(KERN_INFO "%s: PIO mode%d\n", drive->name, |
Bartlomiej Zolnierkiewicz | 48fb268 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 202 | id[ATA_ID_OLD_PIO_MODES] & 0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | active_time = 110; |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 204 | recovery_time = drive->id[ATA_ID_EIDE_PIO] - 120; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | } |
| 206 | |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 207 | qd_set_timing(drive, qd6500_compute_timing(drive->hwif, |
| 208 | active_time, recovery_time)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | } |
| 210 | |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 211 | static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | { |
Bartlomiej Zolnierkiewicz | 79472b6 | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 213 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | 2feecfa | 2008-07-16 20:33:37 +0200 | [diff] [blame] | 214 | struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 215 | unsigned int cycle_time; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | int active_time = 175; |
| 217 | int recovery_time = 415; /* worst case values from the dos driver */ |
Bartlomiej Zolnierkiewicz | 79472b6 | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 218 | u8 base = (hwif->config_data & 0xff00) >> 8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | |
| 220 | if (drive->id && !qd_find_disk_type(drive, &active_time, &recovery_time)) { |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 221 | cycle_time = ide_pio_cycle_time(drive, pio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | |
| 223 | switch (pio) { |
| 224 | case 0: break; |
| 225 | case 3: |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 226 | if (cycle_time >= 110) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | active_time = 86; |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 228 | recovery_time = cycle_time - 102; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | } else |
| 230 | printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name); |
| 231 | break; |
| 232 | case 4: |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 233 | if (cycle_time >= 69) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | active_time = 70; |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 235 | recovery_time = cycle_time - 61; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | } else |
| 237 | printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name); |
| 238 | break; |
| 239 | default: |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 240 | if (cycle_time >= 180) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | active_time = 110; |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 242 | recovery_time = cycle_time - 120; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | } else { |
Bartlomiej Zolnierkiewicz | 2feecfa | 2008-07-16 20:33:37 +0200 | [diff] [blame] | 244 | active_time = t->active; |
Bartlomiej Zolnierkiewicz | 7dd0008 | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 245 | recovery_time = cycle_time - active_time; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | } |
| 247 | } |
| 248 | printk(KERN_INFO "%s: PIO mode%d\n", drive->name,pio); |
| 249 | } |
| 250 | |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 251 | if (!hwif->channel && drive->media != ide_disk) { |
Bartlomiej Zolnierkiewicz | c196567 | 2007-10-20 00:32:37 +0200 | [diff] [blame] | 252 | outb(0x5f, QD_CONTROL_PORT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | printk(KERN_WARNING "%s: ATAPI: disabled read-ahead FIFO " |
| 254 | "and post-write buffer on %s.\n", |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 255 | drive->name, hwif->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | qd_set_timing(drive, qd6580_compute_timing(active_time, recovery_time)); |
| 259 | } |
| 260 | |
| 261 | /* |
| 262 | * qd_testreg |
| 263 | * |
| 264 | * tests if the given port is a register |
| 265 | */ |
| 266 | |
| 267 | static int __init qd_testreg(int port) |
| 268 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | unsigned long flags; |
Bartlomiej Zolnierkiewicz | f949820 | 2007-10-20 00:32:35 +0200 | [diff] [blame] | 270 | u8 savereg, readreg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | |
Bartlomiej Zolnierkiewicz | c196567 | 2007-10-20 00:32:37 +0200 | [diff] [blame] | 272 | local_irq_save(flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | savereg = inb_p(port); |
| 274 | outb_p(QD_TESTVAL, port); /* safe value */ |
| 275 | readreg = inb_p(port); |
| 276 | outb(savereg, port); |
Bartlomiej Zolnierkiewicz | c196567 | 2007-10-20 00:32:37 +0200 | [diff] [blame] | 277 | local_irq_restore(flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | |
| 279 | if (savereg == QD_TESTVAL) { |
| 280 | printk(KERN_ERR "Outch ! the probe for qd65xx isn't reliable !\n"); |
| 281 | printk(KERN_ERR "Please contact maintainers to tell about your hardware\n"); |
| 282 | printk(KERN_ERR "Assuming qd65xx is not present.\n"); |
| 283 | return 1; |
| 284 | } |
| 285 | |
| 286 | return (readreg != QD_TESTVAL); |
| 287 | } |
| 288 | |
Bartlomiej Zolnierkiewicz | e6d95bd | 2008-07-16 20:33:42 +0200 | [diff] [blame] | 289 | static void __init qd6500_init_dev(ide_drive_t *drive) |
Bartlomiej Zolnierkiewicz | 1f2cf8b | 2008-02-02 19:56:40 +0100 | [diff] [blame] | 290 | { |
Bartlomiej Zolnierkiewicz | e6d95bd | 2008-07-16 20:33:42 +0200 | [diff] [blame] | 291 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | 79472b6 | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 292 | u8 base = (hwif->config_data & 0xff00) >> 8; |
| 293 | u8 config = QD_CONFIG(hwif); |
Bartlomiej Zolnierkiewicz | 1f2cf8b | 2008-02-02 19:56:40 +0100 | [diff] [blame] | 294 | |
Bartlomiej Zolnierkiewicz | e6d95bd | 2008-07-16 20:33:42 +0200 | [diff] [blame] | 295 | drive->drive_data = QD6500_DEF_DATA; |
Bartlomiej Zolnierkiewicz | 1f2cf8b | 2008-02-02 19:56:40 +0100 | [diff] [blame] | 296 | } |
| 297 | |
Bartlomiej Zolnierkiewicz | e6d95bd | 2008-07-16 20:33:42 +0200 | [diff] [blame] | 298 | static void __init qd6580_init_dev(ide_drive_t *drive) |
Bartlomiej Zolnierkiewicz | 1f2cf8b | 2008-02-02 19:56:40 +0100 | [diff] [blame] | 299 | { |
Bartlomiej Zolnierkiewicz | e6d95bd | 2008-07-16 20:33:42 +0200 | [diff] [blame] | 300 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | 1f2cf8b | 2008-02-02 19:56:40 +0100 | [diff] [blame] | 301 | u16 t1, t2; |
Bartlomiej Zolnierkiewicz | 79472b6 | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 302 | u8 base = (hwif->config_data & 0xff00) >> 8; |
| 303 | u8 config = QD_CONFIG(hwif); |
Bartlomiej Zolnierkiewicz | 1f2cf8b | 2008-02-02 19:56:40 +0100 | [diff] [blame] | 304 | |
Bartlomiej Zolnierkiewicz | 79472b6 | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 305 | if (hwif->host_flags & IDE_HFLAG_SINGLE) { |
Bartlomiej Zolnierkiewicz | 1f2cf8b | 2008-02-02 19:56:40 +0100 | [diff] [blame] | 306 | t1 = QD6580_DEF_DATA; |
| 307 | t2 = QD6580_DEF_DATA2; |
| 308 | } else |
| 309 | t2 = t1 = hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA; |
| 310 | |
Bartlomiej Zolnierkiewicz | 123995b | 2008-10-13 21:39:40 +0200 | [diff] [blame] | 311 | drive->drive_data = (drive->dn & 1) ? t2 : t1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | } |
| 313 | |
Sergei Shtylyov | abb596b | 2009-03-31 20:15:32 +0200 | [diff] [blame] | 314 | static const struct ide_tp_ops qd65xx_tp_ops = { |
| 315 | .exec_command = ide_exec_command, |
| 316 | .read_status = ide_read_status, |
| 317 | .read_altstatus = ide_read_altstatus, |
| 318 | .write_devctl = ide_write_devctl, |
| 319 | |
| 320 | .dev_select = qd65xx_dev_select, |
| 321 | .tf_load = ide_tf_load, |
| 322 | .tf_read = ide_tf_read, |
| 323 | |
| 324 | .input_data = ide_input_data, |
| 325 | .output_data = ide_output_data, |
| 326 | }; |
| 327 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 328 | static const struct ide_port_ops qd6500_port_ops = { |
Bartlomiej Zolnierkiewicz | e6d95bd | 2008-07-16 20:33:42 +0200 | [diff] [blame] | 329 | .init_dev = qd6500_init_dev, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 330 | .set_pio_mode = qd6500_set_pio_mode, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 331 | }; |
| 332 | |
| 333 | static const struct ide_port_ops qd6580_port_ops = { |
Bartlomiej Zolnierkiewicz | e6d95bd | 2008-07-16 20:33:42 +0200 | [diff] [blame] | 334 | .init_dev = qd6580_init_dev, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 335 | .set_pio_mode = qd6580_set_pio_mode, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 336 | }; |
| 337 | |
Bartlomiej Zolnierkiewicz | c413b9b | 2008-02-02 19:56:31 +0100 | [diff] [blame] | 338 | static const struct ide_port_info qd65xx_port_info __initdata = { |
Bartlomiej Zolnierkiewicz | d92f1a2 | 2008-04-26 22:25:18 +0200 | [diff] [blame] | 339 | .name = DRV_NAME, |
Sergei Shtylyov | abb596b | 2009-03-31 20:15:32 +0200 | [diff] [blame] | 340 | .tp_ops = &qd65xx_tp_ops, |
Bartlomiej Zolnierkiewicz | c413b9b | 2008-02-02 19:56:31 +0100 | [diff] [blame] | 341 | .chipset = ide_qd65xx, |
| 342 | .host_flags = IDE_HFLAG_IO_32BIT | |
Bartlomiej Zolnierkiewicz | 0d28ec7 | 2008-04-27 15:38:29 +0200 | [diff] [blame] | 343 | IDE_HFLAG_NO_DMA, |
Bartlomiej Zolnierkiewicz | c413b9b | 2008-02-02 19:56:31 +0100 | [diff] [blame] | 344 | .pio_mask = ATA_PIO4, |
| 345 | }; |
| 346 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | /* |
| 348 | * qd_probe: |
| 349 | * |
| 350 | * looks at the specified baseport, and if qd found, registers & initialises it |
| 351 | * return 1 if another qd may be probed |
| 352 | */ |
| 353 | |
| 354 | static int __init qd_probe(int base) |
| 355 | { |
Bartlomiej Zolnierkiewicz | 0bfeee7 | 2008-04-26 22:25:16 +0200 | [diff] [blame] | 356 | int rc; |
Bartlomiej Zolnierkiewicz | 7a2199f | 2008-04-26 22:25:16 +0200 | [diff] [blame] | 357 | u8 config, unit, control; |
Bartlomiej Zolnierkiewicz | e277f91 | 2008-04-26 17:36:36 +0200 | [diff] [blame] | 358 | struct ide_port_info d = qd65xx_port_info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | |
Bartlomiej Zolnierkiewicz | c196567 | 2007-10-20 00:32:37 +0200 | [diff] [blame] | 360 | config = inb(QD_CONFIG_PORT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
| 362 | if (! ((config & QD_CONFIG_BASEPORT) >> 1 == (base == 0xb0)) ) |
Bartlomiej Zolnierkiewicz | 7daf66d | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 363 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | |
| 365 | unit = ! (config & QD_CONFIG_IDE_BASEPORT); |
| 366 | |
Bartlomiej Zolnierkiewicz | e277f91 | 2008-04-26 17:36:36 +0200 | [diff] [blame] | 367 | if (unit) |
| 368 | d.host_flags |= IDE_HFLAG_QD_2ND_PORT; |
| 369 | |
Bartlomiej Zolnierkiewicz | 7a2199f | 2008-04-26 22:25:16 +0200 | [diff] [blame] | 370 | switch (config & 0xf0) { |
| 371 | case QD_CONFIG_QD6500: |
Bartlomiej Zolnierkiewicz | 7daf66d | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 372 | if (qd_testreg(base)) |
| 373 | return -ENODEV; /* bad register */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | if (config & QD_CONFIG_DISABLED) { |
| 376 | printk(KERN_WARNING "qd6500 is disabled !\n"); |
Bartlomiej Zolnierkiewicz | 7daf66d | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 377 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | } |
| 379 | |
Bartlomiej Zolnierkiewicz | e277f91 | 2008-04-26 17:36:36 +0200 | [diff] [blame] | 380 | printk(KERN_NOTICE "qd6500 at %#x\n", base); |
| 381 | printk(KERN_DEBUG "qd6500: config=%#x, ID3=%u\n", |
| 382 | config, QD_ID3); |
| 383 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 384 | d.port_ops = &qd6500_port_ops; |
Bartlomiej Zolnierkiewicz | 79472b6 | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 385 | d.host_flags |= IDE_HFLAG_SINGLE; |
Bartlomiej Zolnierkiewicz | 7a2199f | 2008-04-26 22:25:16 +0200 | [diff] [blame] | 386 | break; |
| 387 | case QD_CONFIG_QD6580_A: |
| 388 | case QD_CONFIG_QD6580_B: |
Bartlomiej Zolnierkiewicz | 7daf66d | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 389 | if (qd_testreg(base) || qd_testreg(base + 0x02)) |
| 390 | return -ENODEV; /* bad registers */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | |
Bartlomiej Zolnierkiewicz | c196567 | 2007-10-20 00:32:37 +0200 | [diff] [blame] | 392 | control = inb(QD_CONTROL_PORT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | |
| 394 | printk(KERN_NOTICE "qd6580 at %#x\n", base); |
| 395 | printk(KERN_DEBUG "qd6580: config=%#x, control=%#x, ID3=%u\n", |
| 396 | config, control, QD_ID3); |
| 397 | |
Bartlomiej Zolnierkiewicz | 788d669 | 2008-02-26 21:50:35 +0100 | [diff] [blame] | 398 | outb(QD_DEF_CONTR, QD_CONTROL_PORT); |
| 399 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 400 | d.port_ops = &qd6580_port_ops; |
Bartlomiej Zolnierkiewicz | 7a2199f | 2008-04-26 22:25:16 +0200 | [diff] [blame] | 401 | if (control & QD_CONTR_SEC_DISABLED) |
Bartlomiej Zolnierkiewicz | 79472b6 | 2008-04-26 17:36:42 +0200 | [diff] [blame] | 402 | d.host_flags |= IDE_HFLAG_SINGLE; |
| 403 | |
Bartlomiej Zolnierkiewicz | 7a2199f | 2008-04-26 22:25:16 +0200 | [diff] [blame] | 404 | printk(KERN_INFO "qd6580: %s IDE board\n", |
| 405 | (control & QD_CONTR_SEC_DISABLED) ? "single" : "dual"); |
| 406 | break; |
| 407 | default: |
| 408 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | } |
Bartlomiej Zolnierkiewicz | 7a2199f | 2008-04-26 22:25:16 +0200 | [diff] [blame] | 410 | |
| 411 | rc = ide_legacy_device_add(&d, (base << 8) | config); |
| 412 | |
| 413 | if (d.host_flags & IDE_HFLAG_SINGLE) |
| 414 | return (rc == 0) ? 1 : rc; |
| 415 | |
| 416 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | } |
| 418 | |
Bartlomiej Zolnierkiewicz | ef87f8d | 2008-04-27 15:38:24 +0200 | [diff] [blame] | 419 | static int probe_qd65xx; |
Bartlomiej Zolnierkiewicz | 8491388 | 2007-03-03 17:48:55 +0100 | [diff] [blame] | 420 | |
| 421 | module_param_named(probe, probe_qd65xx, bool, 0); |
| 422 | MODULE_PARM_DESC(probe, "probe for QD65xx chipsets"); |
| 423 | |
Bartlomiej Zolnierkiewicz | ade2daf | 2008-01-26 20:13:07 +0100 | [diff] [blame] | 424 | static int __init qd65xx_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | { |
Bartlomiej Zolnierkiewicz | 7daf66d | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 426 | int rc1, rc2 = -ENODEV; |
| 427 | |
Bartlomiej Zolnierkiewicz | 8491388 | 2007-03-03 17:48:55 +0100 | [diff] [blame] | 428 | if (probe_qd65xx == 0) |
| 429 | return -ENODEV; |
| 430 | |
Bartlomiej Zolnierkiewicz | 7daf66d | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 431 | rc1 = qd_probe(0x30); |
| 432 | if (rc1) |
| 433 | rc2 = qd_probe(0xb0); |
| 434 | |
| 435 | if (rc1 < 0 && rc2 < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | return -ENODEV; |
Bartlomiej Zolnierkiewicz | 7daf66d | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 437 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | return 0; |
| 439 | } |
| 440 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | module_init(qd65xx_init); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | |
| 443 | MODULE_AUTHOR("Samuel Thibault"); |
| 444 | MODULE_DESCRIPTION("support of qd65xx vlb ide chipset"); |
| 445 | MODULE_LICENSE("GPL"); |