blob: b13a06c5cb2dd1935a97c304454dd9f6a3047002 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Promise TX2/TX4/TX2000/133 IDE driver
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * Split from:
10 * linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002
11 * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>
Sergei Shtylyovb10a0682006-12-08 02:39:59 -080012 * Copyright (C) 2005-2006 MontaVista Software, Inc.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 * Portions Copyright (C) 1999 Promise Technology, Inc.
14 * Author: Frank Tiernan (frankt@promise.com)
15 * Released under terms of General Public License
16 */
17
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include <linux/module.h>
19#include <linux/types.h>
20#include <linux/kernel.h>
21#include <linux/delay.h>
22#include <linux/timer.h>
23#include <linux/mm.h>
24#include <linux/ioport.h>
25#include <linux/blkdev.h>
26#include <linux/hdreg.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/ide.h>
31
32#include <asm/io.h>
33#include <asm/irq.h>
34
35#ifdef CONFIG_PPC_PMAC
36#include <asm/prom.h>
37#include <asm/pci-bridge.h>
38#endif
39
40#define PDC202_DEBUG_CABLE 0
41
Sergei Shtylyov47694bb2006-12-10 02:19:13 -080042#undef DEBUG
43
44#ifdef DEBUG
45#define DBG(fmt, args...) printk("%s: " fmt, __FUNCTION__, ## args)
46#else
47#define DBG(fmt, args...)
48#endif
49
Jesper Juhl3c6bee12006-01-09 20:54:01 -080050static const char *pdc_quirk_drives[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 "QUANTUM FIREBALLlct08 08",
52 "QUANTUM FIREBALLP KA6.4",
53 "QUANTUM FIREBALLP KA9.1",
54 "QUANTUM FIREBALLP LM20.4",
55 "QUANTUM FIREBALLP KX13.6",
56 "QUANTUM FIREBALLP KX20.5",
57 "QUANTUM FIREBALLP KX27.3",
58 "QUANTUM FIREBALLP LM20.5",
59 NULL
60};
61
Sergei Shtylyov47694bb2006-12-10 02:19:13 -080062static u8 max_dma_rate(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -070063{
64 u8 mode;
65
Sergei Shtylyov47694bb2006-12-10 02:19:13 -080066 switch(pdev->device) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 case PCI_DEVICE_ID_PROMISE_20277:
68 case PCI_DEVICE_ID_PROMISE_20276:
69 case PCI_DEVICE_ID_PROMISE_20275:
70 case PCI_DEVICE_ID_PROMISE_20271:
71 case PCI_DEVICE_ID_PROMISE_20269:
72 mode = 4;
73 break;
74 case PCI_DEVICE_ID_PROMISE_20270:
75 case PCI_DEVICE_ID_PROMISE_20268:
76 mode = 3;
77 break;
78 default:
79 return 0;
80 }
Sergei Shtylyov47694bb2006-12-10 02:19:13 -080081
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 return mode;
83}
84
Sergei Shtylyov47694bb2006-12-10 02:19:13 -080085static u8 pdcnew_ratemask(ide_drive_t *drive)
86{
87 u8 mode = max_dma_rate(HWIF(drive)->pci_dev);
88
89 if (!eighty_ninty_three(drive))
90 mode = min_t(u8, mode, 1);
91
92 return mode;
93}
94
Sergei Shtylyov47694bb2006-12-10 02:19:13 -080095/**
96 * get_indexed_reg - Get indexed register
97 * @hwif: for the port address
98 * @index: index of the indexed register
99 */
100static u8 get_indexed_reg(ide_hwif_t *hwif, u8 index)
101{
102 u8 value;
103
104 hwif->OUTB(index, hwif->dma_vendor1);
105 value = hwif->INB(hwif->dma_vendor3);
106
107 DBG("index[%02X] value[%02X]\n", index, value);
108 return value;
109}
110
111/**
112 * set_indexed_reg - Set indexed register
113 * @hwif: for the port address
114 * @index: index of the indexed register
115 */
116static void set_indexed_reg(ide_hwif_t *hwif, u8 index, u8 value)
117{
118 hwif->OUTB(index, hwif->dma_vendor1);
119 hwif->OUTB(value, hwif->dma_vendor3);
120 DBG("index[%02X] value[%02X]\n", index, value);
121}
122
123/*
124 * ATA Timing Tables based on 133 MHz PLL output clock.
125 *
126 * If the PLL outputs 100 MHz clock, the ASIC hardware will set
127 * the timing registers automatically when "set features" command is
128 * issued to the device. However, if the PLL output clock is 133 MHz,
129 * the following tables must be used.
130 */
131static struct pio_timing {
132 u8 reg0c, reg0d, reg13;
133} pio_timings [] = {
134 { 0xfb, 0x2b, 0xac }, /* PIO mode 0, IORDY off, Prefetch off */
135 { 0x46, 0x29, 0xa4 }, /* PIO mode 1, IORDY off, Prefetch off */
136 { 0x23, 0x26, 0x64 }, /* PIO mode 2, IORDY off, Prefetch off */
137 { 0x27, 0x0d, 0x35 }, /* PIO mode 3, IORDY on, Prefetch off */
138 { 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */
139};
140
141static struct mwdma_timing {
142 u8 reg0e, reg0f;
143} mwdma_timings [] = {
144 { 0xdf, 0x5f }, /* MWDMA mode 0 */
145 { 0x6b, 0x27 }, /* MWDMA mode 1 */
146 { 0x69, 0x25 }, /* MWDMA mode 2 */
147};
148
149static struct udma_timing {
150 u8 reg10, reg11, reg12;
151} udma_timings [] = {
152 { 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */
153 { 0x3a, 0x0a, 0xd0 }, /* UDMA mode 1 */
154 { 0x2a, 0x07, 0xcd }, /* UDMA mode 2 */
155 { 0x1a, 0x05, 0xcd }, /* UDMA mode 3 */
156 { 0x1a, 0x03, 0xcd }, /* UDMA mode 4 */
157 { 0x1a, 0x02, 0xcb }, /* UDMA mode 5 */
158 { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */
159};
160
161static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162{
163 ide_hwif_t *hwif = HWIF(drive);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800164 u8 adj = (drive->dn & 1) ? 0x08 : 0x00;
165 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800167 speed = ide_rate_filter(pdcnew_ratemask(drive), speed);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800169 /*
170 * Issue SETFEATURES_XFER to the drive first. PDC202xx hardware will
171 * automatically set the timing registers based on 100 MHz PLL output.
172 */
173 err = ide_config_drive_speed(drive, speed);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800175 /*
176 * As we set up the PLL to output 133 MHz for UltraDMA/133 capable
177 * chips, we must override the default register settings...
178 */
179 if (max_dma_rate(hwif->pci_dev) == 4) {
180 u8 mode = speed & 0x07;
181
182 switch (speed) {
183 case XFER_UDMA_6:
184 case XFER_UDMA_5:
185 case XFER_UDMA_4:
186 case XFER_UDMA_3:
187 case XFER_UDMA_2:
188 case XFER_UDMA_1:
189 case XFER_UDMA_0:
190 set_indexed_reg(hwif, 0x10 + adj,
191 udma_timings[mode].reg10);
192 set_indexed_reg(hwif, 0x11 + adj,
193 udma_timings[mode].reg11);
194 set_indexed_reg(hwif, 0x12 + adj,
195 udma_timings[mode].reg12);
196 break;
197
198 case XFER_MW_DMA_2:
199 case XFER_MW_DMA_1:
200 case XFER_MW_DMA_0:
201 set_indexed_reg(hwif, 0x0e + adj,
202 mwdma_timings[mode].reg0e);
203 set_indexed_reg(hwif, 0x0f + adj,
204 mwdma_timings[mode].reg0f);
205 break;
206 case XFER_PIO_4:
207 case XFER_PIO_3:
208 case XFER_PIO_2:
209 case XFER_PIO_1:
210 case XFER_PIO_0:
211 set_indexed_reg(hwif, 0x0c + adj,
212 pio_timings[mode].reg0c);
213 set_indexed_reg(hwif, 0x0d + adj,
214 pio_timings[mode].reg0d);
215 set_indexed_reg(hwif, 0x13 + adj,
216 pio_timings[mode].reg13);
217 break;
218 default:
219 printk(KERN_ERR "pdc202xx_new: "
220 "Unknown speed %d ignored\n", speed);
221 }
222 } else if (speed == XFER_UDMA_2) {
223 /* Set tHOLD bit to 0 if using UDMA mode 2 */
224 u8 tmp = get_indexed_reg(hwif, 0x10 + adj);
225
226 set_indexed_reg(hwif, 0x10 + adj, tmp & 0x7f);
227 }
228
229 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230}
231
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio)
233{
Sergei Shtylyovb10a0682006-12-08 02:39:59 -0800234 pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800235 (void)pdcnew_tune_chipset(drive, XFER_PIO_0 + pio);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236}
237
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800238static u8 pdcnew_cable_detect(ide_hwif_t *hwif)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239{
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800240 return get_indexed_reg(hwif, 0x0b) & 0x04;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241}
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800242
243static int config_chipset_for_dma(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244{
245 struct hd_driveid *id = drive->id;
246 ide_hwif_t *hwif = HWIF(drive);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800247 u8 ultra_66 = (id->dma_ultra & 0x0078) ? 1 : 0;
248 u8 cable = pdcnew_cable_detect(hwif);
249 u8 speed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250
251 if (ultra_66 && cable) {
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800252 printk(KERN_WARNING "Warning: %s channel "
253 "requires an 80-pin cable for operation.\n",
254 hwif->channel ? "Secondary" : "Primary");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255 printk(KERN_WARNING "%s reduced to Ultra33 mode.\n", drive->name);
256 }
257
258 if (drive->media != ide_disk)
259 return 0;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800260
261 if (id->capability & 4) {
262 /*
263 * Set IORDY_EN & PREFETCH_EN (this seems to have
264 * NO real effect since this register is reloaded
265 * by hardware when the transfer mode is selected)
266 */
267 u8 tmp, adj = (drive->dn & 1) ? 0x08 : 0x00;
268
269 tmp = get_indexed_reg(hwif, 0x13 + adj);
270 set_indexed_reg(hwif, 0x13 + adj, tmp | 0x03);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271 }
272
273 speed = ide_dma_speed(drive, pdcnew_ratemask(drive));
274
Sergei Shtylyovb10a0682006-12-08 02:39:59 -0800275 if (!speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277
278 (void) hwif->speedproc(drive, speed);
279 return ide_dma_enable(drive);
280}
281
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800282static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283{
284 ide_hwif_t *hwif = HWIF(drive);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285
286 drive->init_speed = 0;
287
Bartlomiej Zolnierkiewicz7569e8d2007-02-17 02:40:25 +0100288 if (ide_use_dma(drive) && config_chipset_for_dma(drive))
289 return hwif->ide_dma_on(drive);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290
Bartlomiej Zolnierkiewicz7569e8d2007-02-17 02:40:25 +0100291 if (ide_use_fast_pio(drive)) {
Sergei Shtylyovb10a0682006-12-08 02:39:59 -0800292 hwif->tuneproc(drive, 255);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293 return hwif->ide_dma_off_quietly(drive);
294 }
295 /* IORDY not supported */
296 return 0;
297}
298
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800299static int pdcnew_quirkproc(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300{
Sergei Shtylyovd24ec422007-02-07 18:18:39 +0100301 const char **list, *model = drive->id->model;
302
303 for (list = pdc_quirk_drives; *list != NULL; list++)
304 if (strstr(model, *list) != NULL)
305 return 2;
306 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307}
308
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800309static void pdcnew_reset(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310{
311 /*
312 * Deleted this because it is redundant from the caller.
313 */
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800314 printk(KERN_WARNING "pdc202xx_new: %s channel reset.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 HWIF(drive)->channel ? "Secondary" : "Primary");
316}
317
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800318/**
319 * read_counter - Read the byte count registers
320 * @dma_base: for the port address
321 */
322static long __devinit read_counter(u32 dma_base)
323{
324 u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08;
325 u8 cnt0, cnt1, cnt2, cnt3;
326 long count = 0, last;
327 int retry = 3;
328
329 do {
330 last = count;
331
332 /* Read the current count */
333 outb(0x20, pri_dma_base + 0x01);
334 cnt0 = inb(pri_dma_base + 0x03);
335 outb(0x21, pri_dma_base + 0x01);
336 cnt1 = inb(pri_dma_base + 0x03);
337 outb(0x20, sec_dma_base + 0x01);
338 cnt2 = inb(sec_dma_base + 0x03);
339 outb(0x21, sec_dma_base + 0x01);
340 cnt3 = inb(sec_dma_base + 0x03);
341
342 count = (cnt3 << 23) | (cnt2 << 15) | (cnt1 << 8) | cnt0;
343
344 /*
345 * The 30-bit decrementing counter is read in 4 pieces.
346 * Incorrect value may be read when the most significant bytes
347 * are changing...
348 */
349 } while (retry-- && (((last ^ count) & 0x3fff8000) || last < count));
350
351 DBG("cnt0[%02X] cnt1[%02X] cnt2[%02X] cnt3[%02X]\n",
352 cnt0, cnt1, cnt2, cnt3);
353
354 return count;
355}
356
357/**
358 * detect_pll_input_clock - Detect the PLL input clock in Hz.
359 * @dma_base: for the port address
360 * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock.
361 */
362static long __devinit detect_pll_input_clock(unsigned long dma_base)
363{
364 long start_count, end_count;
365 long pll_input;
366 u8 scr1;
367
368 start_count = read_counter(dma_base);
369
370 /* Start the test mode */
371 outb(0x01, dma_base + 0x01);
372 scr1 = inb(dma_base + 0x03);
373 DBG("scr1[%02X]\n", scr1);
374 outb(scr1 | 0x40, dma_base + 0x03);
375
376 /* Let the counter run for 10 ms. */
377 mdelay(10);
378
379 end_count = read_counter(dma_base);
380
381 /* Stop the test mode */
382 outb(0x01, dma_base + 0x01);
383 scr1 = inb(dma_base + 0x03);
384 DBG("scr1[%02X]\n", scr1);
385 outb(scr1 & ~0x40, dma_base + 0x03);
386
387 /*
388 * Calculate the input clock in Hz
389 * (the clock counter is 30 bit wide and counts down)
390 */
391 pll_input = ((start_count - end_count) & 0x3ffffff) * 100;
392
393 DBG("start[%ld] end[%ld]\n", start_count, end_count);
394
395 return pll_input;
396}
397
Linus Torvalds1da177e2005-04-16 15:20:36 -0700398#ifdef CONFIG_PPC_PMAC
399static void __devinit apple_kiwi_init(struct pci_dev *pdev)
400{
401 struct device_node *np = pci_device_to_OF_node(pdev);
402 unsigned int class_rev = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700403 u8 conf;
404
405 if (np == NULL || !device_is_compatible(np, "kiwi-root"))
406 return;
407
408 pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev);
409 class_rev &= 0xff;
410
411 if (class_rev >= 0x03) {
412 /* Setup chip magic config stuff (from darwin) */
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800413 pci_read_config_byte (pdev, 0x40, &conf);
414 pci_write_config_byte(pdev, 0x40, (conf | 0x01));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416}
417#endif /* CONFIG_PPC_PMAC */
418
419static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const char *name)
420{
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800421 unsigned long dma_base = pci_resource_start(dev, 4);
422 unsigned long sec_dma_base = dma_base + 0x08;
423 long pll_input, pll_output, ratio;
424 int f, r;
425 u8 pll_ctl0, pll_ctl1;
426
Linus Torvalds1da177e2005-04-16 15:20:36 -0700427 if (dev->resource[PCI_ROM_RESOURCE].start) {
428 pci_write_config_dword(dev, PCI_ROM_ADDRESS,
429 dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
Greg Kroah-Hartman08f46de2006-06-12 15:15:59 -0700430 printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name,
431 (unsigned long)dev->resource[PCI_ROM_RESOURCE].start);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432 }
433
434#ifdef CONFIG_PPC_PMAC
435 apple_kiwi_init(dev);
436#endif
437
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800438 /* Calculate the required PLL output frequency */
439 switch(max_dma_rate(dev)) {
440 case 4: /* it's 133 MHz for Ultra133 chips */
441 pll_output = 133333333;
442 break;
443 case 3: /* and 100 MHz for Ultra100 chips */
444 default:
445 pll_output = 100000000;
446 break;
447 }
448
449 /*
450 * Detect PLL input clock.
451 * On some systems, where PCI bus is running at non-standard clock rate
452 * (e.g. 25 or 40 MHz), we have to adjust the cycle time.
453 * PDC20268 and newer chips employ PLL circuit to help correct timing
454 * registers setting.
455 */
456 pll_input = detect_pll_input_clock(dma_base);
457 printk("%s: PLL input clock is %ld kHz\n", name, pll_input / 1000);
458
459 /* Sanity check */
460 if (unlikely(pll_input < 5000000L || pll_input > 70000000L)) {
461 printk(KERN_ERR "%s: Bad PLL input clock %ld Hz, giving up!\n",
462 name, pll_input);
463 goto out;
464 }
465
466#ifdef DEBUG
467 DBG("pll_output is %ld Hz\n", pll_output);
468
469 /* Show the current clock value of PLL control register
470 * (maybe already configured by the BIOS)
471 */
472 outb(0x02, sec_dma_base + 0x01);
473 pll_ctl0 = inb(sec_dma_base + 0x03);
474 outb(0x03, sec_dma_base + 0x01);
475 pll_ctl1 = inb(sec_dma_base + 0x03);
476
477 DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
478#endif
479
480 /*
481 * Calculate the ratio of F, R and NO
482 * POUT = (F + 2) / (( R + 2) * NO)
483 */
484 ratio = pll_output / (pll_input / 1000);
485 if (ratio < 8600L) { /* 8.6x */
486 /* Using NO = 0x01, R = 0x0d */
487 r = 0x0d;
488 } else if (ratio < 12900L) { /* 12.9x */
489 /* Using NO = 0x01, R = 0x08 */
490 r = 0x08;
491 } else if (ratio < 16100L) { /* 16.1x */
492 /* Using NO = 0x01, R = 0x06 */
493 r = 0x06;
494 } else if (ratio < 64000L) { /* 64x */
495 r = 0x00;
496 } else {
497 /* Invalid ratio */
498 printk(KERN_ERR "%s: Bad ratio %ld, giving up!\n", name, ratio);
499 goto out;
500 }
501
502 f = (ratio * (r + 2)) / 1000 - 2;
503
504 DBG("F[%d] R[%d] ratio*1000[%ld]\n", f, r, ratio);
505
506 if (unlikely(f < 0 || f > 127)) {
507 /* Invalid F */
508 printk(KERN_ERR "%s: F[%d] invalid!\n", name, f);
509 goto out;
510 }
511
512 pll_ctl0 = (u8) f;
513 pll_ctl1 = (u8) r;
514
515 DBG("Writing pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
516
517 outb(0x02, sec_dma_base + 0x01);
518 outb(pll_ctl0, sec_dma_base + 0x03);
519 outb(0x03, sec_dma_base + 0x01);
520 outb(pll_ctl1, sec_dma_base + 0x03);
521
522 /* Wait the PLL circuit to be stable */
523 mdelay(30);
524
525#ifdef DEBUG
526 /*
527 * Show the current clock value of PLL control register
528 */
529 outb(0x02, sec_dma_base + 0x01);
530 pll_ctl0 = inb(sec_dma_base + 0x03);
531 outb(0x03, sec_dma_base + 0x01);
532 pll_ctl1 = inb(sec_dma_base + 0x03);
533
534 DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
535#endif
536
537 out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538 return dev->irq;
539}
540
541static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
542{
543 hwif->autodma = 0;
544
545 hwif->tuneproc = &pdcnew_tune_drive;
546 hwif->quirkproc = &pdcnew_quirkproc;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800547 hwif->speedproc = &pdcnew_tune_chipset;
548 hwif->resetproc = &pdcnew_reset;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549
550 hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
551
552 hwif->ultra_mask = 0x7f;
553 hwif->mwdma_mask = 0x07;
554
Alan Cox3706a872006-06-28 04:27:03 -0700555 hwif->err_stops_fifo = 1;
556
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557 hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800558
559 if (!hwif->udma_four)
560 hwif->udma_four = pdcnew_cable_detect(hwif) ? 0 : 1;
561
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562 if (!noautodma)
563 hwif->autodma = 1;
564 hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800565
Linus Torvalds1da177e2005-04-16 15:20:36 -0700566#if PDC202_DEBUG_CABLE
567 printk(KERN_DEBUG "%s: %s-pin cable\n",
568 hwif->name, hwif->udma_four ? "80" : "40");
569#endif /* PDC202_DEBUG_CABLE */
570}
571
572static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d)
573{
574 return ide_setup_pci_device(dev, d);
575}
576
577static int __devinit init_setup_pdc20270(struct pci_dev *dev,
578 ide_pci_device_t *d)
579{
580 struct pci_dev *findev = NULL;
Alan Coxb1489002006-12-08 02:39:58 -0800581 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582
583 if ((dev->bus->self &&
584 dev->bus->self->vendor == PCI_VENDOR_ID_DEC) &&
585 (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) {
586 if (PCI_SLOT(dev->devfn) & 2)
587 return -ENODEV;
588 d->extra = 0;
Alan Coxb1489002006-12-08 02:39:58 -0800589 while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590 if ((findev->vendor == dev->vendor) &&
591 (findev->device == dev->device) &&
592 (PCI_SLOT(findev->devfn) & 2)) {
593 if (findev->irq != dev->irq) {
594 findev->irq = dev->irq;
595 }
Alan Coxb1489002006-12-08 02:39:58 -0800596 ret = ide_setup_pci_devices(dev, findev, d);
597 pci_dev_put(findev);
598 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700599 }
600 }
601 }
602 return ide_setup_pci_device(dev, d);
603}
604
605static int __devinit init_setup_pdc20276(struct pci_dev *dev,
606 ide_pci_device_t *d)
607{
608 if ((dev->bus->self) &&
609 (dev->bus->self->vendor == PCI_VENDOR_ID_INTEL) &&
610 ((dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960) ||
611 (dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960RM))) {
612 printk(KERN_INFO "ide: Skipping Promise PDC20276 "
613 "attached to I2O RAID controller.\n");
614 return -ENODEV;
615 }
616 return ide_setup_pci_device(dev, d);
617}
618
619static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
620 { /* 0 */
621 .name = "PDC20268",
622 .init_setup = init_setup_pdcnew,
623 .init_chipset = init_chipset_pdcnew,
624 .init_hwif = init_hwif_pdc202new,
625 .channels = 2,
626 .autodma = AUTODMA,
627 .bootable = OFF_BOARD,
628 },{ /* 1 */
629 .name = "PDC20269",
630 .init_setup = init_setup_pdcnew,
631 .init_chipset = init_chipset_pdcnew,
632 .init_hwif = init_hwif_pdc202new,
633 .channels = 2,
634 .autodma = AUTODMA,
635 .bootable = OFF_BOARD,
636 },{ /* 2 */
637 .name = "PDC20270",
638 .init_setup = init_setup_pdc20270,
639 .init_chipset = init_chipset_pdcnew,
640 .init_hwif = init_hwif_pdc202new,
641 .channels = 2,
642 .autodma = AUTODMA,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643 .bootable = OFF_BOARD,
644 },{ /* 3 */
645 .name = "PDC20271",
646 .init_setup = init_setup_pdcnew,
647 .init_chipset = init_chipset_pdcnew,
648 .init_hwif = init_hwif_pdc202new,
649 .channels = 2,
650 .autodma = AUTODMA,
651 .bootable = OFF_BOARD,
652 },{ /* 4 */
653 .name = "PDC20275",
654 .init_setup = init_setup_pdcnew,
655 .init_chipset = init_chipset_pdcnew,
656 .init_hwif = init_hwif_pdc202new,
657 .channels = 2,
658 .autodma = AUTODMA,
659 .bootable = OFF_BOARD,
660 },{ /* 5 */
661 .name = "PDC20276",
662 .init_setup = init_setup_pdc20276,
663 .init_chipset = init_chipset_pdcnew,
664 .init_hwif = init_hwif_pdc202new,
665 .channels = 2,
666 .autodma = AUTODMA,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667 .bootable = OFF_BOARD,
668 },{ /* 6 */
669 .name = "PDC20277",
670 .init_setup = init_setup_pdcnew,
671 .init_chipset = init_chipset_pdcnew,
672 .init_hwif = init_hwif_pdc202new,
673 .channels = 2,
674 .autodma = AUTODMA,
675 .bootable = OFF_BOARD,
676 }
677};
678
679/**
680 * pdc202new_init_one - called when a pdc202xx is found
681 * @dev: the pdc202new device
682 * @id: the matching pci id
683 *
684 * Called when the PCI registration layer (or the IDE initialization)
685 * finds a device matching our IDE device tables.
686 */
687
688static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id)
689{
690 ide_pci_device_t *d = &pdcnew_chipsets[id->driver_data];
691
692 return d->init_setup(dev, d);
693}
694
695static struct pci_device_id pdc202new_pci_tbl[] = {
696 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
697 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
698 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
699 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20271, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
700 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
701 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
702 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20277, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
703 { 0, },
704};
705MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl);
706
707static struct pci_driver driver = {
708 .name = "Promise_IDE",
709 .id_table = pdc202new_pci_tbl,
710 .probe = pdc202new_init_one,
711};
712
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100713static int __init pdc202new_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700714{
715 return ide_pci_register_driver(&driver);
716}
717
718module_init(pdc202new_ide_init);
719
720MODULE_AUTHOR("Andre Hedrick, Frank Tiernan");
721MODULE_DESCRIPTION("PCI driver module for Promise PDC20268 and higher");
722MODULE_LICENSE("GPL");