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1da177e Linux-2.6.12-rc2
Linus Torvalds authored
1 /*
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 *
14 * To activate controller support, use "ide0=qd65xx"
15 */
16
17 /*
18 * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by
5193535 @sthibaul Fix my email address in qd65xx.[ch]/pata_qdi.c
sthibaul authored
19 * Samuel Thibault <samuel.thibault@ens-lyon.org>
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
20 */
21
22 #include <linux/module.h>
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>
30 #include <linux/ide.h>
31 #include <linux/init.h>
32 #include <asm/io.h>
33
d92f1a2 @bzolnier ide: manage I/O resources in ide_legacy_init_one()
bzolnier authored
34 #define DRV_NAME "qd65xx"
35
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
36 #include "qd65xx.h"
37
38 /*
39 * I/O ports are 0x30-0x31 (and 0x32-0x33 for qd6580)
40 * or 0xb0-0xb1 (and 0xb2-0xb3 for qd6580)
41 * -- qd6500 is a single IDE interface
42 * -- qd6580 is a dual IDE interface
43 *
44 * More research on qd6580 being done by willmore@cig.mot.com (David)
45 * More Information given by Petr Soucek (petr@ryston.cz)
46 * http://www.ryston.cz/petr/vlb
47 */
48
49 /*
50 * base: Timer1
51 *
52 *
53 * base+0x01: Config (R/O)
54 *
55 * bit 0: ide baseport: 1 = 0x1f0 ; 0 = 0x170 (only useful for qd6500)
56 * bit 1: qd65xx baseport: 1 = 0xb0 ; 0 = 0x30
57 * bit 2: ID3: bus speed: 1 = <=33MHz ; 0 = >33MHz
58 * bit 3: qd6500: 1 = disabled, 0 = enabled
59 * qd6580: 1
60 * upper nibble:
61 * qd6500: 1100
62 * qd6580: either 1010 or 0101
63 *
64 *
65 * base+0x02: Timer2 (qd6580 only)
66 *
67 *
68 * base+0x03: Control (qd6580 only)
69 *
70 * bits 0-3 must always be set 1
71 * bit 4 must be set 1, but is set 0 by dos driver while measuring vlb clock
72 * bit 0 : 1 = Only primary port enabled : channel 0 for hda, channel 1 for hdb
73 * 0 = Primary and Secondary ports enabled : channel 0 for hda & hdb
74 * channel 1 for hdc & hdd
75 * bit 1 : 1 = only disks on primary port
76 * 0 = disks & ATAPI devices on primary port
77 * bit 2-4 : always 0
78 * bit 5 : status, but of what ?
79 * bit 6 : always set 1 by dos driver
80 * bit 7 : set 1 for non-ATAPI devices on primary port
81 * (maybe read-ahead and post-write buffer ?)
82 */
83
84 static int timings[4]={-1,-1,-1,-1}; /* stores current timing for each timer */
85
86 /*
d07616f @bzolnier qd65xx: always use ->selectproc method
bzolnier authored
87 * qd65xx_select:
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
88 *
d07616f @bzolnier qd65xx: always use ->selectproc method
bzolnier authored
89 * This routine is invoked to prepare for access to a given drive.
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
90 */
91
abb596b ide: turn selectproc() method into dev_select() method (take 5)
Sergei Shtylyov authored
92 static void qd65xx_dev_select(ide_drive_t *drive)
1da177e Linux-2.6.12-rc2
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93 {
94 u8 index = (( (QD_TIMREG(drive)) & 0x80 ) >> 7) |
95 (QD_TIMREG(drive) & 0x02);
96
97 if (timings[index] != QD_TIMING(drive))
c196567 @bzolnier qd65xx: remove pointless qd_{read,write}_reg() (take 2)
bzolnier authored
98 outb(timings[index] = QD_TIMING(drive), QD_TIMREG(drive));
abb596b ide: turn selectproc() method into dev_select() method (take 5)
Sergei Shtylyov authored
99
100 outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr);
1da177e Linux-2.6.12-rc2
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101 }
102
103 /*
104 * qd6500_compute_timing
105 *
106 * computes the timing value where
107 * lower nibble represents active time, in count of VLB clocks
108 * upper nibble represents recovery time, in count of VLB clocks
109 */
110
111 static u8 qd6500_compute_timing (ide_hwif_t *hwif, int active_time, int recovery_time)
112 {
30e5ee4 @bzolnier ide: remove obsoleted "idebus=" kernel parameter
bzolnier authored
113 int clk = ide_vlb_clk ? ide_vlb_clk : 50;
ebae41a @bzolnier ide: add "vlb|pci_clock=" parameter
bzolnier authored
114 u8 act_cyc, rec_cyc;
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115
ebae41a @bzolnier ide: add "vlb|pci_clock=" parameter
bzolnier authored
116 if (clk <= 33) {
117 act_cyc = 9 - IDE_IN(active_time * clk / 1000 + 1, 2, 9);
118 rec_cyc = 15 - IDE_IN(recovery_time * clk / 1000 + 1, 0, 15);
1da177e Linux-2.6.12-rc2
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119 } else {
ebae41a @bzolnier ide: add "vlb|pci_clock=" parameter
bzolnier authored
120 act_cyc = 8 - IDE_IN(active_time * clk / 1000 + 1, 1, 8);
121 rec_cyc = 18 - IDE_IN(recovery_time * clk / 1000 + 1, 3, 18);
1da177e Linux-2.6.12-rc2
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122 }
123
ebae41a @bzolnier ide: add "vlb|pci_clock=" parameter
bzolnier authored
124 return (rec_cyc << 4) | 0x08 | act_cyc;
1da177e Linux-2.6.12-rc2
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125 }
126
127 /*
128 * qd6580_compute_timing
129 *
130 * idem for qd6580
131 */
132
133 static u8 qd6580_compute_timing (int active_time, int recovery_time)
134 {
30e5ee4 @bzolnier ide: remove obsoleted "idebus=" kernel parameter
bzolnier authored
135 int clk = ide_vlb_clk ? ide_vlb_clk : 50;
ebae41a @bzolnier ide: add "vlb|pci_clock=" parameter
bzolnier authored
136 u8 act_cyc, rec_cyc;
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137
ebae41a @bzolnier ide: add "vlb|pci_clock=" parameter
bzolnier authored
138 act_cyc = 17 - IDE_IN(active_time * clk / 1000 + 1, 2, 17);
139 rec_cyc = 15 - IDE_IN(recovery_time * clk / 1000 + 1, 2, 15);
140
141 return (rec_cyc << 4) | act_cyc;
1da177e Linux-2.6.12-rc2
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142 }
143
144 /*
145 * qd_find_disk_type
146 *
147 * tries to find timing from dos driver's table
148 */
149
150 static int qd_find_disk_type (ide_drive_t *drive,
151 int *active_time, int *recovery_time)
152 {
153 struct qd65xx_timing_s *p;
4dde449 @bzolnier ide: make drive->id an union (take 2)
bzolnier authored
154 char *m = (char *)&drive->id[ATA_ID_PROD];
155 char model[ATA_ID_PROD_LEN];
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156
4dde449 @bzolnier ide: make drive->id an union (take 2)
bzolnier authored
157 if (*m == 0)
158 return 0;
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159
4dde449 @bzolnier ide: make drive->id an union (take 2)
bzolnier authored
160 strncpy(model, m, ATA_ID_PROD_LEN);
161 ide_fixstring(model, ATA_ID_PROD_LEN, 1); /* byte-swap */
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162
163 for (p = qd65xx_timing ; p->offset != -1 ; p++) {
164 if (!strncmp(p->model, model+p->offset, 4)) {
165 printk(KERN_DEBUG "%s: listed !\n", drive->name);
166 *active_time = p->active;
167 *recovery_time = p->recovery;
168 return 1;
169 }
170 }
171 return 0;
172 }
173
174 /*
175 * qd_set_timing:
176 *
d07616f @bzolnier qd65xx: always use ->selectproc method
bzolnier authored
177 * records the timing
1da177e Linux-2.6.12-rc2
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178 */
179
180 static void qd_set_timing (ide_drive_t *drive, u8 timing)
181 {
5bfb151 ide: do not access ide_drive_t 'drive_data' field directly
Joao Ramos authored
182 unsigned long data = (unsigned long)ide_get_drivedata(drive);
183
184 data &= 0xff00;
185 data |= timing;
186 ide_set_drivedata(drive, (void *)data);
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187
188 printk(KERN_DEBUG "%s: %#x\n", drive->name, timing);
189 }
190
e085b3c @bzolnier ide: change ->set_pio_mode method parameters
bzolnier authored
191 static void qd6500_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
1da177e Linux-2.6.12-rc2
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192 {
4dde449 @bzolnier ide: make drive->id an union (take 2)
bzolnier authored
193 u16 *id = drive->id;
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194 int active_time = 175;
195 int recovery_time = 415; /* worst case values from the dos driver */
196
e085b3c @bzolnier ide: change ->set_pio_mode method parameters
bzolnier authored
197 /* FIXME: use drive->pio_mode value */
4dde449 @bzolnier ide: make drive->id an union (take 2)
bzolnier authored
198 if (!qd_find_disk_type(drive, &active_time, &recovery_time) &&
48fb268 @bzolnier ide: remove drive->driveid
bzolnier authored
199 (id[ATA_ID_OLD_PIO_MODES] & 0xff) && (id[ATA_ID_FIELD_VALID] & 2) &&
4dde449 @bzolnier ide: make drive->id an union (take 2)
bzolnier authored
200 id[ATA_ID_EIDE_PIO] >= 240) {
1da177e Linux-2.6.12-rc2
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201 printk(KERN_INFO "%s: PIO mode%d\n", drive->name,
48fb268 @bzolnier ide: remove drive->driveid
bzolnier authored
202 id[ATA_ID_OLD_PIO_MODES] & 0xff);
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203 active_time = 110;
4dde449 @bzolnier ide: make drive->id an union (take 2)
bzolnier authored
204 recovery_time = drive->id[ATA_ID_EIDE_PIO] - 120;
1da177e Linux-2.6.12-rc2
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205 }
206
898ec22 @bzolnier ide: remove HWIF() macro
bzolnier authored
207 qd_set_timing(drive, qd6500_compute_timing(drive->hwif,
208 active_time, recovery_time));
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209 }
210
e085b3c @bzolnier ide: change ->set_pio_mode method parameters
bzolnier authored
211 static void qd6580_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
1da177e Linux-2.6.12-rc2
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212 {
e085b3c @bzolnier ide: change ->set_pio_mode method parameters
bzolnier authored
213 const u8 pio = drive->pio_mode - XFER_PIO_0;
2feecfa @bzolnier qd65xx: convert to use ide_timing_find_mode()
bzolnier authored
214 struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
215 unsigned int cycle_time;
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216 int active_time = 175;
217 int recovery_time = 415; /* worst case values from the dos driver */
79472b6 @bzolnier qd65xx: use IDE_HFLAG_SINGLE host flag
bzolnier authored
218 u8 base = (hwif->config_data & 0xff00) >> 8;
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219
220 if (drive->id && !qd_find_disk_type(drive, &active_time, &recovery_time)) {
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
221 cycle_time = ide_pio_cycle_time(drive, pio);
1da177e Linux-2.6.12-rc2
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222
223 switch (pio) {
224 case 0: break;
225 case 3:
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
226 if (cycle_time >= 110) {
1da177e Linux-2.6.12-rc2
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227 active_time = 86;
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
228 recovery_time = cycle_time - 102;
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229 } else
230 printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name);
231 break;
232 case 4:
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
233 if (cycle_time >= 69) {
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234 active_time = 70;
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
235 recovery_time = cycle_time - 61;
1da177e Linux-2.6.12-rc2
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236 } else
237 printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name);
238 break;
239 default:
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
240 if (cycle_time >= 180) {
1da177e Linux-2.6.12-rc2
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241 active_time = 110;
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
242 recovery_time = cycle_time - 120;
1da177e Linux-2.6.12-rc2
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243 } else {
2feecfa @bzolnier qd65xx: convert to use ide_timing_find_mode()
bzolnier authored
244 active_time = t->active;
7dd0008 @bzolnier ide: add ide_pio_cycle_time() helper (take 2)
bzolnier authored
245 recovery_time = cycle_time - active_time;
1da177e Linux-2.6.12-rc2
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246 }
247 }
248 printk(KERN_INFO "%s: PIO mode%d\n", drive->name,pio);
249 }
250
898ec22 @bzolnier ide: remove HWIF() macro
bzolnier authored
251 if (!hwif->channel && drive->media != ide_disk) {
c196567 @bzolnier qd65xx: remove pointless qd_{read,write}_reg() (take 2)
bzolnier authored
252 outb(0x5f, QD_CONTROL_PORT);
1da177e Linux-2.6.12-rc2
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253 printk(KERN_WARNING "%s: ATAPI: disabled read-ahead FIFO "
254 "and post-write buffer on %s.\n",
898ec22 @bzolnier ide: remove HWIF() macro
bzolnier authored
255 drive->name, hwif->name);
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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 {
269 unsigned long flags;
f949820 @bzolnier qd65xx: fix deadlock on error handling
bzolnier authored
270 u8 savereg, readreg;
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271
c196567 @bzolnier qd65xx: remove pointless qd_{read,write}_reg() (take 2)
bzolnier authored
272 local_irq_save(flags);
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273 savereg = inb_p(port);
274 outb_p(QD_TESTVAL, port); /* safe value */
275 readreg = inb_p(port);
276 outb(savereg, port);
c196567 @bzolnier qd65xx: remove pointless qd_{read,write}_reg() (take 2)
bzolnier authored
277 local_irq_restore(flags);
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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
e6d95bd @bzolnier ide: ->port_init_devs -> ->init_dev
bzolnier authored
289 static void __init qd6500_init_dev(ide_drive_t *drive)
1f2cf8b @bzolnier ide: add ->port_init_devs method to ide_hwif_t
bzolnier authored
290 {
e6d95bd @bzolnier ide: ->port_init_devs -> ->init_dev
bzolnier authored
291 ide_hwif_t *hwif = drive->hwif;
79472b6 @bzolnier qd65xx: use IDE_HFLAG_SINGLE host flag
bzolnier authored
292 u8 base = (hwif->config_data & 0xff00) >> 8;
293 u8 config = QD_CONFIG(hwif);
1f2cf8b @bzolnier ide: add ->port_init_devs method to ide_hwif_t
bzolnier authored
294
5bfb151 ide: do not access ide_drive_t 'drive_data' field directly
Joao Ramos authored
295 ide_set_drivedata(drive, (void *)QD6500_DEF_DATA);
1f2cf8b @bzolnier ide: add ->port_init_devs method to ide_hwif_t
bzolnier authored
296 }
297
e6d95bd @bzolnier ide: ->port_init_devs -> ->init_dev
bzolnier authored
298 static void __init qd6580_init_dev(ide_drive_t *drive)
1f2cf8b @bzolnier ide: add ->port_init_devs method to ide_hwif_t
bzolnier authored
299 {
e6d95bd @bzolnier ide: ->port_init_devs -> ->init_dev
bzolnier authored
300 ide_hwif_t *hwif = drive->hwif;
1f2cf8b @bzolnier ide: add ->port_init_devs method to ide_hwif_t
bzolnier authored
301 u16 t1, t2;
79472b6 @bzolnier qd65xx: use IDE_HFLAG_SINGLE host flag
bzolnier authored
302 u8 base = (hwif->config_data & 0xff00) >> 8;
303 u8 config = QD_CONFIG(hwif);
1f2cf8b @bzolnier ide: add ->port_init_devs method to ide_hwif_t
bzolnier authored
304
79472b6 @bzolnier qd65xx: use IDE_HFLAG_SINGLE host flag
bzolnier authored
305 if (hwif->host_flags & IDE_HFLAG_SINGLE) {
1f2cf8b @bzolnier ide: add ->port_init_devs method to ide_hwif_t
bzolnier authored
306 t1 = QD6580_DEF_DATA;
307 t2 = QD6580_DEF_DATA2;
308 } else
309 t2 = t1 = hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA;
310
5bfb151 ide: do not access ide_drive_t 'drive_data' field directly
Joao Ramos authored
311 ide_set_drivedata(drive, (void *)((drive->dn & 1) ? t2 : t1));
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312 }
313
abb596b ide: turn selectproc() method into dev_select() method (take 5)
Sergei Shtylyov authored
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
ac95bee @bzolnier ide: add struct ide_port_ops (take 2)
bzolnier authored
328 static const struct ide_port_ops qd6500_port_ops = {
e6d95bd @bzolnier ide: ->port_init_devs -> ->init_dev
bzolnier authored
329 .init_dev = qd6500_init_dev,
ac95bee @bzolnier ide: add struct ide_port_ops (take 2)
bzolnier authored
330 .set_pio_mode = qd6500_set_pio_mode,
331 };
332
333 static const struct ide_port_ops qd6580_port_ops = {
e6d95bd @bzolnier ide: ->port_init_devs -> ->init_dev
bzolnier authored
334 .init_dev = qd6580_init_dev,
ac95bee @bzolnier ide: add struct ide_port_ops (take 2)
bzolnier authored
335 .set_pio_mode = qd6580_set_pio_mode,
336 };
337
c413b9b @bzolnier ide: add struct ide_port_info instances to legacy host drivers
bzolnier authored
338 static const struct ide_port_info qd65xx_port_info __initdata = {
d92f1a2 @bzolnier ide: manage I/O resources in ide_legacy_init_one()
bzolnier authored
339 .name = DRV_NAME,
abb596b ide: turn selectproc() method into dev_select() method (take 5)
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340 .tp_ops = &qd65xx_tp_ops,
c413b9b @bzolnier ide: add struct ide_port_info instances to legacy host drivers
bzolnier authored
341 .chipset = ide_qd65xx,
342 .host_flags = IDE_HFLAG_IO_32BIT |
0d28ec7 @bzolnier ide: always auto-tune PIO in legacy VLB host drivers
bzolnier authored
343 IDE_HFLAG_NO_DMA,
c413b9b @bzolnier ide: add struct ide_port_info instances to legacy host drivers
bzolnier authored
344 .pio_mask = ATA_PIO4,
345 };
346
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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 {
0bfeee7 @bzolnier ide: use ide_legacy_device_add() for qd65xx (take 2)
bzolnier authored
356 int rc;
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
357 u8 config, unit, control;
e277f91 @bzolnier ide: use ide_find_port() in legacy VLB host drivers (take 2)
bzolnier authored
358 struct ide_port_info d = qd65xx_port_info;
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359
c196567 @bzolnier qd65xx: remove pointless qd_{read,write}_reg() (take 2)
bzolnier authored
360 config = inb(QD_CONFIG_PORT);
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361
362 if (! ((config & QD_CONFIG_BASEPORT) >> 1 == (base == 0xb0)) )
7daf66d @bzolnier qd65xx: return error value in qd_probe()
bzolnier authored
363 return -ENODEV;
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364
365 unit = ! (config & QD_CONFIG_IDE_BASEPORT);
366
e277f91 @bzolnier ide: use ide_find_port() in legacy VLB host drivers (take 2)
bzolnier authored
367 if (unit)
368 d.host_flags |= IDE_HFLAG_QD_2ND_PORT;
369
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
370 switch (config & 0xf0) {
371 case QD_CONFIG_QD6500:
7daf66d @bzolnier qd65xx: return error value in qd_probe()
bzolnier authored
372 if (qd_testreg(base))
373 return -ENODEV; /* bad register */
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
374
375 if (config & QD_CONFIG_DISABLED) {
376 printk(KERN_WARNING "qd6500 is disabled !\n");
7daf66d @bzolnier qd65xx: return error value in qd_probe()
bzolnier authored
377 return -ENODEV;
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
378 }
379
e277f91 @bzolnier ide: use ide_find_port() in legacy VLB host drivers (take 2)
bzolnier authored
380 printk(KERN_NOTICE "qd6500 at %#x\n", base);
381 printk(KERN_DEBUG "qd6500: config=%#x, ID3=%u\n",
382 config, QD_ID3);
383
ac95bee @bzolnier ide: add struct ide_port_ops (take 2)
bzolnier authored
384 d.port_ops = &qd6500_port_ops;
79472b6 @bzolnier qd65xx: use IDE_HFLAG_SINGLE host flag
bzolnier authored
385 d.host_flags |= IDE_HFLAG_SINGLE;
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
386 break;
387 case QD_CONFIG_QD6580_A:
388 case QD_CONFIG_QD6580_B:
7daf66d @bzolnier qd65xx: return error value in qd_probe()
bzolnier authored
389 if (qd_testreg(base) || qd_testreg(base + 0x02))
390 return -ENODEV; /* bad registers */
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
391
c196567 @bzolnier qd65xx: remove pointless qd_{read,write}_reg() (take 2)
bzolnier authored
392 control = inb(QD_CONTROL_PORT);
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
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
788d669 @bzolnier qd65xx: fix setup of QD6580 Control register
bzolnier authored
398 outb(QD_DEF_CONTR, QD_CONTROL_PORT);
399
ac95bee @bzolnier ide: add struct ide_port_ops (take 2)
bzolnier authored
400 d.port_ops = &qd6580_port_ops;
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
401 if (control & QD_CONTR_SEC_DISABLED)
79472b6 @bzolnier qd65xx: use IDE_HFLAG_SINGLE host flag
bzolnier authored
402 d.host_flags |= IDE_HFLAG_SINGLE;
403
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
404 printk(KERN_INFO "qd6580: %s IDE board\n",
405 (control & QD_CONTR_SEC_DISABLED) ? "single" : "dual");
406 break;
407 default:
408 return -ENODEV;
409 }
26bcb87 @bzolnier ide: add ide_set{_max}_pio() (take 4)
bzolnier authored
410
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
411 rc = ide_legacy_device_add(&d, (base << 8) | config);
e277f91 @bzolnier ide: use ide_find_port() in legacy VLB host drivers (take 2)
bzolnier authored
412
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
413 if (d.host_flags & IDE_HFLAG_SINGLE)
414 return (rc == 0) ? 1 : rc;
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
415
7a2199f @bzolnier qd65xx: cleanup qd_probe()
bzolnier authored
416 return rc;
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
417 }
418
90ab5ee @rustyrussell module_param: make bool parameters really bool (drivers & misc)
rustyrussell authored
419 static bool probe_qd65xx;
8491388 @bzolnier ide: make legacy IDE VLB modules check for the "probe" kernel params …
bzolnier authored
420
421 module_param_named(probe, probe_qd65xx, bool, 0);
422 MODULE_PARM_DESC(probe, "probe for QD65xx chipsets");
423
ade2daf @bzolnier ide: make remaining built-in only IDE host drivers modular (take 2)
bzolnier authored
424 static int __init qd65xx_init(void)
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
425 {
7daf66d @bzolnier qd65xx: return error value in qd_probe()
bzolnier authored
426 int rc1, rc2 = -ENODEV;
427
8491388 @bzolnier ide: make legacy IDE VLB modules check for the "probe" kernel params …
bzolnier authored
428 if (probe_qd65xx == 0)
429 return -ENODEV;
430
7daf66d @bzolnier qd65xx: return error value in qd_probe()
bzolnier authored
431 rc1 = qd_probe(0x30);
432 if (rc1)
433 rc2 = qd_probe(0xb0);
434
435 if (rc1 < 0 && rc2 < 0)
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
436 return -ENODEV;
7daf66d @bzolnier qd65xx: return error value in qd_probe()
bzolnier authored
437
1da177e Linux-2.6.12-rc2
Linus Torvalds authored
438 return 0;
439 }
440
441 module_init(qd65xx_init);
442
443 MODULE_AUTHOR("Samuel Thibault");
444 MODULE_DESCRIPTION("support of qd65xx vlb ide chipset");
445 MODULE_LICENSE("GPL");
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