blob: a23853445af9e3500e1b9945537205d9379c2ccc [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
Bartlomiej Zolnierkiewicz0ecdca22007-02-17 02:40:25 +0100104 outb(index, hwif->dma_vendor1);
105 value = inb(hwif->dma_vendor3);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800106
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{
Bartlomiej Zolnierkiewicz0ecdca22007-02-17 02:40:25 +0100118 outb(index, hwif->dma_vendor1);
119 outb(value, hwif->dma_vendor3);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800120 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
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800258 if (id->capability & 4) {
259 /*
260 * Set IORDY_EN & PREFETCH_EN (this seems to have
261 * NO real effect since this register is reloaded
262 * by hardware when the transfer mode is selected)
263 */
264 u8 tmp, adj = (drive->dn & 1) ? 0x08 : 0x00;
265
266 tmp = get_indexed_reg(hwif, 0x13 + adj);
267 set_indexed_reg(hwif, 0x13 + adj, tmp | 0x03);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700268 }
269
270 speed = ide_dma_speed(drive, pdcnew_ratemask(drive));
271
Sergei Shtylyovb10a0682006-12-08 02:39:59 -0800272 if (!speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700274
275 (void) hwif->speedproc(drive, speed);
276 return ide_dma_enable(drive);
277}
278
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800279static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 drive->init_speed = 0;
282
Bartlomiej Zolnierkiewicz7569e8d2007-02-17 02:40:25 +0100283 if (ide_use_dma(drive) && config_chipset_for_dma(drive))
Bartlomiej Zolnierkiewicz3608b5d2007-02-17 02:40:26 +0100284 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285
Bartlomiej Zolnierkiewiczd8f44692007-02-17 02:40:25 +0100286 if (ide_use_fast_pio(drive))
Bartlomiej Zolnierkiewicz3608b5d2007-02-17 02:40:26 +0100287 pdcnew_tune_drive(drive, 255);
Bartlomiej Zolnierkiewiczd8f44692007-02-17 02:40:25 +0100288
Bartlomiej Zolnierkiewicz3608b5d2007-02-17 02:40:26 +0100289 return -1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290}
291
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800292static int pdcnew_quirkproc(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293{
Sergei Shtylyovd24ec422007-02-07 18:18:39 +0100294 const char **list, *model = drive->id->model;
295
296 for (list = pdc_quirk_drives; *list != NULL; list++)
297 if (strstr(model, *list) != NULL)
298 return 2;
299 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300}
301
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800302static void pdcnew_reset(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303{
304 /*
305 * Deleted this because it is redundant from the caller.
306 */
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800307 printk(KERN_WARNING "pdc202xx_new: %s channel reset.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308 HWIF(drive)->channel ? "Secondary" : "Primary");
309}
310
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800311/**
312 * read_counter - Read the byte count registers
313 * @dma_base: for the port address
314 */
315static long __devinit read_counter(u32 dma_base)
316{
317 u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08;
318 u8 cnt0, cnt1, cnt2, cnt3;
319 long count = 0, last;
320 int retry = 3;
321
322 do {
323 last = count;
324
325 /* Read the current count */
326 outb(0x20, pri_dma_base + 0x01);
327 cnt0 = inb(pri_dma_base + 0x03);
328 outb(0x21, pri_dma_base + 0x01);
329 cnt1 = inb(pri_dma_base + 0x03);
330 outb(0x20, sec_dma_base + 0x01);
331 cnt2 = inb(sec_dma_base + 0x03);
332 outb(0x21, sec_dma_base + 0x01);
333 cnt3 = inb(sec_dma_base + 0x03);
334
335 count = (cnt3 << 23) | (cnt2 << 15) | (cnt1 << 8) | cnt0;
336
337 /*
338 * The 30-bit decrementing counter is read in 4 pieces.
339 * Incorrect value may be read when the most significant bytes
340 * are changing...
341 */
342 } while (retry-- && (((last ^ count) & 0x3fff8000) || last < count));
343
344 DBG("cnt0[%02X] cnt1[%02X] cnt2[%02X] cnt3[%02X]\n",
345 cnt0, cnt1, cnt2, cnt3);
346
347 return count;
348}
349
350/**
351 * detect_pll_input_clock - Detect the PLL input clock in Hz.
352 * @dma_base: for the port address
353 * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock.
354 */
355static long __devinit detect_pll_input_clock(unsigned long dma_base)
356{
357 long start_count, end_count;
358 long pll_input;
359 u8 scr1;
360
361 start_count = read_counter(dma_base);
362
363 /* Start the test mode */
364 outb(0x01, dma_base + 0x01);
365 scr1 = inb(dma_base + 0x03);
366 DBG("scr1[%02X]\n", scr1);
367 outb(scr1 | 0x40, dma_base + 0x03);
368
369 /* Let the counter run for 10 ms. */
370 mdelay(10);
371
372 end_count = read_counter(dma_base);
373
374 /* Stop the test mode */
375 outb(0x01, dma_base + 0x01);
376 scr1 = inb(dma_base + 0x03);
377 DBG("scr1[%02X]\n", scr1);
378 outb(scr1 & ~0x40, dma_base + 0x03);
379
380 /*
381 * Calculate the input clock in Hz
382 * (the clock counter is 30 bit wide and counts down)
383 */
384 pll_input = ((start_count - end_count) & 0x3ffffff) * 100;
385
386 DBG("start[%ld] end[%ld]\n", start_count, end_count);
387
388 return pll_input;
389}
390
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391#ifdef CONFIG_PPC_PMAC
392static void __devinit apple_kiwi_init(struct pci_dev *pdev)
393{
394 struct device_node *np = pci_device_to_OF_node(pdev);
395 unsigned int class_rev = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396 u8 conf;
397
Stephen Rothwell55b61fe2007-05-03 17:26:52 +1000398 if (np == NULL || !of_device_is_compatible(np, "kiwi-root"))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399 return;
400
401 pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev);
402 class_rev &= 0xff;
403
404 if (class_rev >= 0x03) {
405 /* Setup chip magic config stuff (from darwin) */
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800406 pci_read_config_byte (pdev, 0x40, &conf);
407 pci_write_config_byte(pdev, 0x40, (conf | 0x01));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700408 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409}
410#endif /* CONFIG_PPC_PMAC */
411
412static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const char *name)
413{
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800414 unsigned long dma_base = pci_resource_start(dev, 4);
415 unsigned long sec_dma_base = dma_base + 0x08;
416 long pll_input, pll_output, ratio;
417 int f, r;
418 u8 pll_ctl0, pll_ctl1;
419
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420 if (dev->resource[PCI_ROM_RESOURCE].start) {
421 pci_write_config_dword(dev, PCI_ROM_ADDRESS,
422 dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
Greg Kroah-Hartman08f46de2006-06-12 15:15:59 -0700423 printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name,
424 (unsigned long)dev->resource[PCI_ROM_RESOURCE].start);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700425 }
426
427#ifdef CONFIG_PPC_PMAC
428 apple_kiwi_init(dev);
429#endif
430
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800431 /* Calculate the required PLL output frequency */
432 switch(max_dma_rate(dev)) {
433 case 4: /* it's 133 MHz for Ultra133 chips */
434 pll_output = 133333333;
435 break;
436 case 3: /* and 100 MHz for Ultra100 chips */
437 default:
438 pll_output = 100000000;
439 break;
440 }
441
442 /*
443 * Detect PLL input clock.
444 * On some systems, where PCI bus is running at non-standard clock rate
445 * (e.g. 25 or 40 MHz), we have to adjust the cycle time.
446 * PDC20268 and newer chips employ PLL circuit to help correct timing
447 * registers setting.
448 */
449 pll_input = detect_pll_input_clock(dma_base);
450 printk("%s: PLL input clock is %ld kHz\n", name, pll_input / 1000);
451
452 /* Sanity check */
453 if (unlikely(pll_input < 5000000L || pll_input > 70000000L)) {
454 printk(KERN_ERR "%s: Bad PLL input clock %ld Hz, giving up!\n",
455 name, pll_input);
456 goto out;
457 }
458
459#ifdef DEBUG
460 DBG("pll_output is %ld Hz\n", pll_output);
461
462 /* Show the current clock value of PLL control register
463 * (maybe already configured by the BIOS)
464 */
465 outb(0x02, sec_dma_base + 0x01);
466 pll_ctl0 = inb(sec_dma_base + 0x03);
467 outb(0x03, sec_dma_base + 0x01);
468 pll_ctl1 = inb(sec_dma_base + 0x03);
469
470 DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
471#endif
472
473 /*
474 * Calculate the ratio of F, R and NO
475 * POUT = (F + 2) / (( R + 2) * NO)
476 */
477 ratio = pll_output / (pll_input / 1000);
478 if (ratio < 8600L) { /* 8.6x */
479 /* Using NO = 0x01, R = 0x0d */
480 r = 0x0d;
481 } else if (ratio < 12900L) { /* 12.9x */
482 /* Using NO = 0x01, R = 0x08 */
483 r = 0x08;
484 } else if (ratio < 16100L) { /* 16.1x */
485 /* Using NO = 0x01, R = 0x06 */
486 r = 0x06;
487 } else if (ratio < 64000L) { /* 64x */
488 r = 0x00;
489 } else {
490 /* Invalid ratio */
491 printk(KERN_ERR "%s: Bad ratio %ld, giving up!\n", name, ratio);
492 goto out;
493 }
494
495 f = (ratio * (r + 2)) / 1000 - 2;
496
497 DBG("F[%d] R[%d] ratio*1000[%ld]\n", f, r, ratio);
498
499 if (unlikely(f < 0 || f > 127)) {
500 /* Invalid F */
501 printk(KERN_ERR "%s: F[%d] invalid!\n", name, f);
502 goto out;
503 }
504
505 pll_ctl0 = (u8) f;
506 pll_ctl1 = (u8) r;
507
508 DBG("Writing pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
509
510 outb(0x02, sec_dma_base + 0x01);
511 outb(pll_ctl0, sec_dma_base + 0x03);
512 outb(0x03, sec_dma_base + 0x01);
513 outb(pll_ctl1, sec_dma_base + 0x03);
514
515 /* Wait the PLL circuit to be stable */
516 mdelay(30);
517
518#ifdef DEBUG
519 /*
520 * Show the current clock value of PLL control register
521 */
522 outb(0x02, sec_dma_base + 0x01);
523 pll_ctl0 = inb(sec_dma_base + 0x03);
524 outb(0x03, sec_dma_base + 0x01);
525 pll_ctl1 = inb(sec_dma_base + 0x03);
526
527 DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
528#endif
529
530 out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700531 return dev->irq;
532}
533
534static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
535{
536 hwif->autodma = 0;
537
538 hwif->tuneproc = &pdcnew_tune_drive;
539 hwif->quirkproc = &pdcnew_quirkproc;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800540 hwif->speedproc = &pdcnew_tune_chipset;
541 hwif->resetproc = &pdcnew_reset;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542
543 hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
544
Albert Lee362ebd82007-03-26 23:03:19 +0200545 hwif->atapi_dma = 1;
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200546
547 hwif->ultra_mask = hwif->cds->udma_mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700548 hwif->mwdma_mask = 0x07;
549
Alan Cox3706a872006-06-28 04:27:03 -0700550 hwif->err_stops_fifo = 1;
551
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552 hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800553
554 if (!hwif->udma_four)
555 hwif->udma_four = pdcnew_cable_detect(hwif) ? 0 : 1;
556
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557 if (!noautodma)
558 hwif->autodma = 1;
559 hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800560
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561#if PDC202_DEBUG_CABLE
562 printk(KERN_DEBUG "%s: %s-pin cable\n",
563 hwif->name, hwif->udma_four ? "80" : "40");
564#endif /* PDC202_DEBUG_CABLE */
565}
566
567static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d)
568{
569 return ide_setup_pci_device(dev, d);
570}
571
572static int __devinit init_setup_pdc20270(struct pci_dev *dev,
573 ide_pci_device_t *d)
574{
575 struct pci_dev *findev = NULL;
Alan Coxb1489002006-12-08 02:39:58 -0800576 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700577
578 if ((dev->bus->self &&
579 dev->bus->self->vendor == PCI_VENDOR_ID_DEC) &&
580 (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) {
581 if (PCI_SLOT(dev->devfn) & 2)
582 return -ENODEV;
583 d->extra = 0;
Alan Coxb1489002006-12-08 02:39:58 -0800584 while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585 if ((findev->vendor == dev->vendor) &&
586 (findev->device == dev->device) &&
587 (PCI_SLOT(findev->devfn) & 2)) {
588 if (findev->irq != dev->irq) {
589 findev->irq = dev->irq;
590 }
Alan Coxb1489002006-12-08 02:39:58 -0800591 ret = ide_setup_pci_devices(dev, findev, d);
592 pci_dev_put(findev);
593 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700594 }
595 }
596 }
597 return ide_setup_pci_device(dev, d);
598}
599
600static int __devinit init_setup_pdc20276(struct pci_dev *dev,
601 ide_pci_device_t *d)
602{
603 if ((dev->bus->self) &&
604 (dev->bus->self->vendor == PCI_VENDOR_ID_INTEL) &&
605 ((dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960) ||
606 (dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960RM))) {
607 printk(KERN_INFO "ide: Skipping Promise PDC20276 "
608 "attached to I2O RAID controller.\n");
609 return -ENODEV;
610 }
611 return ide_setup_pci_device(dev, d);
612}
613
614static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
615 { /* 0 */
616 .name = "PDC20268",
617 .init_setup = init_setup_pdcnew,
618 .init_chipset = init_chipset_pdcnew,
619 .init_hwif = init_hwif_pdc202new,
620 .channels = 2,
621 .autodma = AUTODMA,
622 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200623 .udma_mask = 0x3f, /* udma0-5 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700624 },{ /* 1 */
625 .name = "PDC20269",
626 .init_setup = init_setup_pdcnew,
627 .init_chipset = init_chipset_pdcnew,
628 .init_hwif = init_hwif_pdc202new,
629 .channels = 2,
630 .autodma = AUTODMA,
631 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200632 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700633 },{ /* 2 */
634 .name = "PDC20270",
635 .init_setup = init_setup_pdc20270,
636 .init_chipset = init_chipset_pdcnew,
637 .init_hwif = init_hwif_pdc202new,
638 .channels = 2,
639 .autodma = AUTODMA,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200641 .udma_mask = 0x3f, /* udma0-5 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700642 },{ /* 3 */
643 .name = "PDC20271",
644 .init_setup = init_setup_pdcnew,
645 .init_chipset = init_chipset_pdcnew,
646 .init_hwif = init_hwif_pdc202new,
647 .channels = 2,
648 .autodma = AUTODMA,
649 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200650 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700651 },{ /* 4 */
652 .name = "PDC20275",
653 .init_setup = init_setup_pdcnew,
654 .init_chipset = init_chipset_pdcnew,
655 .init_hwif = init_hwif_pdc202new,
656 .channels = 2,
657 .autodma = AUTODMA,
658 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200659 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660 },{ /* 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,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200668 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700669 },{ /* 6 */
670 .name = "PDC20277",
671 .init_setup = init_setup_pdcnew,
672 .init_chipset = init_chipset_pdcnew,
673 .init_hwif = init_hwif_pdc202new,
674 .channels = 2,
675 .autodma = AUTODMA,
676 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200677 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678 }
679};
680
681/**
682 * pdc202new_init_one - called when a pdc202xx is found
683 * @dev: the pdc202new device
684 * @id: the matching pci id
685 *
686 * Called when the PCI registration layer (or the IDE initialization)
687 * finds a device matching our IDE device tables.
688 */
689
690static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id)
691{
692 ide_pci_device_t *d = &pdcnew_chipsets[id->driver_data];
693
694 return d->init_setup(dev, d);
695}
696
697static struct pci_device_id pdc202new_pci_tbl[] = {
698 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
699 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
700 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
701 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20271, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
702 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
703 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
704 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20277, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
705 { 0, },
706};
707MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl);
708
709static struct pci_driver driver = {
710 .name = "Promise_IDE",
711 .id_table = pdc202new_pci_tbl,
712 .probe = pdc202new_init_one,
713};
714
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100715static int __init pdc202new_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700716{
717 return ide_pci_register_driver(&driver);
718}
719
720module_init(pdc202new_ide_init);
721
722MODULE_AUTHOR("Andre Hedrick, Frank Tiernan");
723MODULE_DESCRIPTION("PCI driver module for Promise PDC20268 and higher");
724MODULE_LICENSE("GPL");