blob: 772ca4007de4d5fc78bab5a2ad91bda7810b90ed [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 -080085/**
86 * get_indexed_reg - Get indexed register
87 * @hwif: for the port address
88 * @index: index of the indexed register
89 */
90static u8 get_indexed_reg(ide_hwif_t *hwif, u8 index)
91{
92 u8 value;
93
Bartlomiej Zolnierkiewicz0ecdca22007-02-17 02:40:25 +010094 outb(index, hwif->dma_vendor1);
95 value = inb(hwif->dma_vendor3);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -080096
97 DBG("index[%02X] value[%02X]\n", index, value);
98 return value;
99}
100
101/**
102 * set_indexed_reg - Set indexed register
103 * @hwif: for the port address
104 * @index: index of the indexed register
105 */
106static void set_indexed_reg(ide_hwif_t *hwif, u8 index, u8 value)
107{
Bartlomiej Zolnierkiewicz0ecdca22007-02-17 02:40:25 +0100108 outb(index, hwif->dma_vendor1);
109 outb(value, hwif->dma_vendor3);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800110 DBG("index[%02X] value[%02X]\n", index, value);
111}
112
113/*
114 * ATA Timing Tables based on 133 MHz PLL output clock.
115 *
116 * If the PLL outputs 100 MHz clock, the ASIC hardware will set
117 * the timing registers automatically when "set features" command is
118 * issued to the device. However, if the PLL output clock is 133 MHz,
119 * the following tables must be used.
120 */
121static struct pio_timing {
122 u8 reg0c, reg0d, reg13;
123} pio_timings [] = {
124 { 0xfb, 0x2b, 0xac }, /* PIO mode 0, IORDY off, Prefetch off */
125 { 0x46, 0x29, 0xa4 }, /* PIO mode 1, IORDY off, Prefetch off */
126 { 0x23, 0x26, 0x64 }, /* PIO mode 2, IORDY off, Prefetch off */
127 { 0x27, 0x0d, 0x35 }, /* PIO mode 3, IORDY on, Prefetch off */
128 { 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */
129};
130
131static struct mwdma_timing {
132 u8 reg0e, reg0f;
133} mwdma_timings [] = {
134 { 0xdf, 0x5f }, /* MWDMA mode 0 */
135 { 0x6b, 0x27 }, /* MWDMA mode 1 */
136 { 0x69, 0x25 }, /* MWDMA mode 2 */
137};
138
139static struct udma_timing {
140 u8 reg10, reg11, reg12;
141} udma_timings [] = {
142 { 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */
143 { 0x3a, 0x0a, 0xd0 }, /* UDMA mode 1 */
144 { 0x2a, 0x07, 0xcd }, /* UDMA mode 2 */
145 { 0x1a, 0x05, 0xcd }, /* UDMA mode 3 */
146 { 0x1a, 0x03, 0xcd }, /* UDMA mode 4 */
147 { 0x1a, 0x02, 0xcb }, /* UDMA mode 5 */
148 { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */
149};
150
151static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152{
153 ide_hwif_t *hwif = HWIF(drive);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800154 u8 adj = (drive->dn & 1) ? 0x08 : 0x00;
155 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
Bartlomiej Zolnierkiewicz2d5eaa62007-05-10 00:01:08 +0200157 speed = ide_rate_filter(drive, speed);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800159 /*
160 * Issue SETFEATURES_XFER to the drive first. PDC202xx hardware will
161 * automatically set the timing registers based on 100 MHz PLL output.
162 */
163 err = ide_config_drive_speed(drive, speed);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800165 /*
166 * As we set up the PLL to output 133 MHz for UltraDMA/133 capable
167 * chips, we must override the default register settings...
168 */
169 if (max_dma_rate(hwif->pci_dev) == 4) {
170 u8 mode = speed & 0x07;
171
172 switch (speed) {
173 case XFER_UDMA_6:
174 case XFER_UDMA_5:
175 case XFER_UDMA_4:
176 case XFER_UDMA_3:
177 case XFER_UDMA_2:
178 case XFER_UDMA_1:
179 case XFER_UDMA_0:
180 set_indexed_reg(hwif, 0x10 + adj,
181 udma_timings[mode].reg10);
182 set_indexed_reg(hwif, 0x11 + adj,
183 udma_timings[mode].reg11);
184 set_indexed_reg(hwif, 0x12 + adj,
185 udma_timings[mode].reg12);
186 break;
187
188 case XFER_MW_DMA_2:
189 case XFER_MW_DMA_1:
190 case XFER_MW_DMA_0:
191 set_indexed_reg(hwif, 0x0e + adj,
192 mwdma_timings[mode].reg0e);
193 set_indexed_reg(hwif, 0x0f + adj,
194 mwdma_timings[mode].reg0f);
195 break;
196 case XFER_PIO_4:
197 case XFER_PIO_3:
198 case XFER_PIO_2:
199 case XFER_PIO_1:
200 case XFER_PIO_0:
201 set_indexed_reg(hwif, 0x0c + adj,
202 pio_timings[mode].reg0c);
203 set_indexed_reg(hwif, 0x0d + adj,
204 pio_timings[mode].reg0d);
205 set_indexed_reg(hwif, 0x13 + adj,
206 pio_timings[mode].reg13);
207 break;
208 default:
209 printk(KERN_ERR "pdc202xx_new: "
210 "Unknown speed %d ignored\n", speed);
211 }
212 } else if (speed == XFER_UDMA_2) {
213 /* Set tHOLD bit to 0 if using UDMA mode 2 */
214 u8 tmp = get_indexed_reg(hwif, 0x10 + adj);
215
216 set_indexed_reg(hwif, 0x10 + adj, tmp & 0x7f);
217 }
218
219 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220}
221
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio)
223{
Sergei Shtylyovb10a0682006-12-08 02:39:59 -0800224 pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800225 (void)pdcnew_tune_chipset(drive, XFER_PIO_0 + pio);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226}
227
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800228static u8 pdcnew_cable_detect(ide_hwif_t *hwif)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229{
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800230 return get_indexed_reg(hwif, 0x0b) & 0x04;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231}
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800232
233static int config_chipset_for_dma(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234{
235 struct hd_driveid *id = drive->id;
236 ide_hwif_t *hwif = HWIF(drive);
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800237 u8 ultra_66 = (id->dma_ultra & 0x0078) ? 1 : 0;
238 u8 cable = pdcnew_cable_detect(hwif);
239 u8 speed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240
241 if (ultra_66 && cable) {
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800242 printk(KERN_WARNING "Warning: %s channel "
243 "requires an 80-pin cable for operation.\n",
244 hwif->channel ? "Secondary" : "Primary");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245 printk(KERN_WARNING "%s reduced to Ultra33 mode.\n", drive->name);
246 }
247
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800248 if (id->capability & 4) {
249 /*
250 * Set IORDY_EN & PREFETCH_EN (this seems to have
251 * NO real effect since this register is reloaded
252 * by hardware when the transfer mode is selected)
253 */
254 u8 tmp, adj = (drive->dn & 1) ? 0x08 : 0x00;
255
256 tmp = get_indexed_reg(hwif, 0x13 + adj);
257 set_indexed_reg(hwif, 0x13 + adj, tmp | 0x03);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258 }
259
Bartlomiej Zolnierkiewicz2d5eaa62007-05-10 00:01:08 +0200260 speed = ide_max_dma_mode(drive);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261
Sergei Shtylyovb10a0682006-12-08 02:39:59 -0800262 if (!speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264
265 (void) hwif->speedproc(drive, speed);
266 return ide_dma_enable(drive);
267}
268
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800269static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271 drive->init_speed = 0;
272
Bartlomiej Zolnierkiewicz7569e8d2007-02-17 02:40:25 +0100273 if (ide_use_dma(drive) && config_chipset_for_dma(drive))
Bartlomiej Zolnierkiewicz3608b5d2007-02-17 02:40:26 +0100274 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275
Bartlomiej Zolnierkiewiczd8f44692007-02-17 02:40:25 +0100276 if (ide_use_fast_pio(drive))
Bartlomiej Zolnierkiewicz3608b5d2007-02-17 02:40:26 +0100277 pdcnew_tune_drive(drive, 255);
Bartlomiej Zolnierkiewiczd8f44692007-02-17 02:40:25 +0100278
Bartlomiej Zolnierkiewicz3608b5d2007-02-17 02:40:26 +0100279 return -1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280}
281
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800282static int pdcnew_quirkproc(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283{
Sergei Shtylyovd24ec422007-02-07 18:18:39 +0100284 const char **list, *model = drive->id->model;
285
286 for (list = pdc_quirk_drives; *list != NULL; list++)
287 if (strstr(model, *list) != NULL)
288 return 2;
289 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290}
291
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800292static void pdcnew_reset(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293{
294 /*
295 * Deleted this because it is redundant from the caller.
296 */
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800297 printk(KERN_WARNING "pdc202xx_new: %s channel reset.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298 HWIF(drive)->channel ? "Secondary" : "Primary");
299}
300
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800301/**
302 * read_counter - Read the byte count registers
303 * @dma_base: for the port address
304 */
305static long __devinit read_counter(u32 dma_base)
306{
307 u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08;
308 u8 cnt0, cnt1, cnt2, cnt3;
309 long count = 0, last;
310 int retry = 3;
311
312 do {
313 last = count;
314
315 /* Read the current count */
316 outb(0x20, pri_dma_base + 0x01);
317 cnt0 = inb(pri_dma_base + 0x03);
318 outb(0x21, pri_dma_base + 0x01);
319 cnt1 = inb(pri_dma_base + 0x03);
320 outb(0x20, sec_dma_base + 0x01);
321 cnt2 = inb(sec_dma_base + 0x03);
322 outb(0x21, sec_dma_base + 0x01);
323 cnt3 = inb(sec_dma_base + 0x03);
324
325 count = (cnt3 << 23) | (cnt2 << 15) | (cnt1 << 8) | cnt0;
326
327 /*
328 * The 30-bit decrementing counter is read in 4 pieces.
329 * Incorrect value may be read when the most significant bytes
330 * are changing...
331 */
332 } while (retry-- && (((last ^ count) & 0x3fff8000) || last < count));
333
334 DBG("cnt0[%02X] cnt1[%02X] cnt2[%02X] cnt3[%02X]\n",
335 cnt0, cnt1, cnt2, cnt3);
336
337 return count;
338}
339
340/**
341 * detect_pll_input_clock - Detect the PLL input clock in Hz.
342 * @dma_base: for the port address
343 * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock.
344 */
345static long __devinit detect_pll_input_clock(unsigned long dma_base)
346{
347 long start_count, end_count;
348 long pll_input;
349 u8 scr1;
350
351 start_count = read_counter(dma_base);
352
353 /* Start the test mode */
354 outb(0x01, dma_base + 0x01);
355 scr1 = inb(dma_base + 0x03);
356 DBG("scr1[%02X]\n", scr1);
357 outb(scr1 | 0x40, dma_base + 0x03);
358
359 /* Let the counter run for 10 ms. */
360 mdelay(10);
361
362 end_count = read_counter(dma_base);
363
364 /* Stop the test mode */
365 outb(0x01, dma_base + 0x01);
366 scr1 = inb(dma_base + 0x03);
367 DBG("scr1[%02X]\n", scr1);
368 outb(scr1 & ~0x40, dma_base + 0x03);
369
370 /*
371 * Calculate the input clock in Hz
372 * (the clock counter is 30 bit wide and counts down)
373 */
374 pll_input = ((start_count - end_count) & 0x3ffffff) * 100;
375
376 DBG("start[%ld] end[%ld]\n", start_count, end_count);
377
378 return pll_input;
379}
380
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381#ifdef CONFIG_PPC_PMAC
382static void __devinit apple_kiwi_init(struct pci_dev *pdev)
383{
384 struct device_node *np = pci_device_to_OF_node(pdev);
385 unsigned int class_rev = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386 u8 conf;
387
Stephen Rothwell55b61fe2007-05-03 17:26:52 +1000388 if (np == NULL || !of_device_is_compatible(np, "kiwi-root"))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389 return;
390
391 pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev);
392 class_rev &= 0xff;
393
394 if (class_rev >= 0x03) {
395 /* Setup chip magic config stuff (from darwin) */
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800396 pci_read_config_byte (pdev, 0x40, &conf);
397 pci_write_config_byte(pdev, 0x40, (conf | 0x01));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700398 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399}
400#endif /* CONFIG_PPC_PMAC */
401
402static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const char *name)
403{
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800404 unsigned long dma_base = pci_resource_start(dev, 4);
405 unsigned long sec_dma_base = dma_base + 0x08;
406 long pll_input, pll_output, ratio;
407 int f, r;
408 u8 pll_ctl0, pll_ctl1;
409
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410 if (dev->resource[PCI_ROM_RESOURCE].start) {
411 pci_write_config_dword(dev, PCI_ROM_ADDRESS,
412 dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
Greg Kroah-Hartman08f46de2006-06-12 15:15:59 -0700413 printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name,
414 (unsigned long)dev->resource[PCI_ROM_RESOURCE].start);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415 }
416
417#ifdef CONFIG_PPC_PMAC
418 apple_kiwi_init(dev);
419#endif
420
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800421 /* Calculate the required PLL output frequency */
422 switch(max_dma_rate(dev)) {
423 case 4: /* it's 133 MHz for Ultra133 chips */
424 pll_output = 133333333;
425 break;
426 case 3: /* and 100 MHz for Ultra100 chips */
427 default:
428 pll_output = 100000000;
429 break;
430 }
431
432 /*
433 * Detect PLL input clock.
434 * On some systems, where PCI bus is running at non-standard clock rate
435 * (e.g. 25 or 40 MHz), we have to adjust the cycle time.
436 * PDC20268 and newer chips employ PLL circuit to help correct timing
437 * registers setting.
438 */
439 pll_input = detect_pll_input_clock(dma_base);
440 printk("%s: PLL input clock is %ld kHz\n", name, pll_input / 1000);
441
442 /* Sanity check */
443 if (unlikely(pll_input < 5000000L || pll_input > 70000000L)) {
444 printk(KERN_ERR "%s: Bad PLL input clock %ld Hz, giving up!\n",
445 name, pll_input);
446 goto out;
447 }
448
449#ifdef DEBUG
450 DBG("pll_output is %ld Hz\n", pll_output);
451
452 /* Show the current clock value of PLL control register
453 * (maybe already configured by the BIOS)
454 */
455 outb(0x02, sec_dma_base + 0x01);
456 pll_ctl0 = inb(sec_dma_base + 0x03);
457 outb(0x03, sec_dma_base + 0x01);
458 pll_ctl1 = inb(sec_dma_base + 0x03);
459
460 DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
461#endif
462
463 /*
464 * Calculate the ratio of F, R and NO
465 * POUT = (F + 2) / (( R + 2) * NO)
466 */
467 ratio = pll_output / (pll_input / 1000);
468 if (ratio < 8600L) { /* 8.6x */
469 /* Using NO = 0x01, R = 0x0d */
470 r = 0x0d;
471 } else if (ratio < 12900L) { /* 12.9x */
472 /* Using NO = 0x01, R = 0x08 */
473 r = 0x08;
474 } else if (ratio < 16100L) { /* 16.1x */
475 /* Using NO = 0x01, R = 0x06 */
476 r = 0x06;
477 } else if (ratio < 64000L) { /* 64x */
478 r = 0x00;
479 } else {
480 /* Invalid ratio */
481 printk(KERN_ERR "%s: Bad ratio %ld, giving up!\n", name, ratio);
482 goto out;
483 }
484
485 f = (ratio * (r + 2)) / 1000 - 2;
486
487 DBG("F[%d] R[%d] ratio*1000[%ld]\n", f, r, ratio);
488
489 if (unlikely(f < 0 || f > 127)) {
490 /* Invalid F */
491 printk(KERN_ERR "%s: F[%d] invalid!\n", name, f);
492 goto out;
493 }
494
495 pll_ctl0 = (u8) f;
496 pll_ctl1 = (u8) r;
497
498 DBG("Writing pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
499
500 outb(0x02, sec_dma_base + 0x01);
501 outb(pll_ctl0, sec_dma_base + 0x03);
502 outb(0x03, sec_dma_base + 0x01);
503 outb(pll_ctl1, sec_dma_base + 0x03);
504
505 /* Wait the PLL circuit to be stable */
506 mdelay(30);
507
508#ifdef DEBUG
509 /*
510 * Show the current clock value of PLL control register
511 */
512 outb(0x02, sec_dma_base + 0x01);
513 pll_ctl0 = inb(sec_dma_base + 0x03);
514 outb(0x03, sec_dma_base + 0x01);
515 pll_ctl1 = inb(sec_dma_base + 0x03);
516
517 DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1);
518#endif
519
520 out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521 return dev->irq;
522}
523
524static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
525{
526 hwif->autodma = 0;
527
528 hwif->tuneproc = &pdcnew_tune_drive;
529 hwif->quirkproc = &pdcnew_quirkproc;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800530 hwif->speedproc = &pdcnew_tune_chipset;
531 hwif->resetproc = &pdcnew_reset;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532
533 hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
534
Albert Lee362ebd82007-03-26 23:03:19 +0200535 hwif->atapi_dma = 1;
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200536
537 hwif->ultra_mask = hwif->cds->udma_mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538 hwif->mwdma_mask = 0x07;
539
Alan Cox3706a872006-06-28 04:27:03 -0700540 hwif->err_stops_fifo = 1;
541
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542 hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800543
544 if (!hwif->udma_four)
545 hwif->udma_four = pdcnew_cable_detect(hwif) ? 0 : 1;
546
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547 if (!noautodma)
548 hwif->autodma = 1;
549 hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
Sergei Shtylyov47694bb2006-12-10 02:19:13 -0800550
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551#if PDC202_DEBUG_CABLE
552 printk(KERN_DEBUG "%s: %s-pin cable\n",
553 hwif->name, hwif->udma_four ? "80" : "40");
554#endif /* PDC202_DEBUG_CABLE */
555}
556
557static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d)
558{
559 return ide_setup_pci_device(dev, d);
560}
561
562static int __devinit init_setup_pdc20270(struct pci_dev *dev,
563 ide_pci_device_t *d)
564{
565 struct pci_dev *findev = NULL;
Alan Coxb1489002006-12-08 02:39:58 -0800566 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567
568 if ((dev->bus->self &&
569 dev->bus->self->vendor == PCI_VENDOR_ID_DEC) &&
570 (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) {
571 if (PCI_SLOT(dev->devfn) & 2)
572 return -ENODEV;
573 d->extra = 0;
Alan Coxb1489002006-12-08 02:39:58 -0800574 while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575 if ((findev->vendor == dev->vendor) &&
576 (findev->device == dev->device) &&
577 (PCI_SLOT(findev->devfn) & 2)) {
578 if (findev->irq != dev->irq) {
579 findev->irq = dev->irq;
580 }
Alan Coxb1489002006-12-08 02:39:58 -0800581 ret = ide_setup_pci_devices(dev, findev, d);
582 pci_dev_put(findev);
583 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584 }
585 }
586 }
587 return ide_setup_pci_device(dev, d);
588}
589
590static int __devinit init_setup_pdc20276(struct pci_dev *dev,
591 ide_pci_device_t *d)
592{
593 if ((dev->bus->self) &&
594 (dev->bus->self->vendor == PCI_VENDOR_ID_INTEL) &&
595 ((dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960) ||
596 (dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960RM))) {
597 printk(KERN_INFO "ide: Skipping Promise PDC20276 "
598 "attached to I2O RAID controller.\n");
599 return -ENODEV;
600 }
601 return ide_setup_pci_device(dev, d);
602}
603
604static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
605 { /* 0 */
606 .name = "PDC20268",
607 .init_setup = init_setup_pdcnew,
608 .init_chipset = init_chipset_pdcnew,
609 .init_hwif = init_hwif_pdc202new,
610 .channels = 2,
611 .autodma = AUTODMA,
612 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200613 .udma_mask = 0x3f, /* udma0-5 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700614 },{ /* 1 */
615 .name = "PDC20269",
616 .init_setup = init_setup_pdcnew,
617 .init_chipset = init_chipset_pdcnew,
618 .init_hwif = init_hwif_pdc202new,
619 .channels = 2,
620 .autodma = AUTODMA,
621 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200622 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623 },{ /* 2 */
624 .name = "PDC20270",
625 .init_setup = init_setup_pdc20270,
626 .init_chipset = init_chipset_pdcnew,
627 .init_hwif = init_hwif_pdc202new,
628 .channels = 2,
629 .autodma = AUTODMA,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700630 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200631 .udma_mask = 0x3f, /* udma0-5 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632 },{ /* 3 */
633 .name = "PDC20271",
634 .init_setup = init_setup_pdcnew,
635 .init_chipset = init_chipset_pdcnew,
636 .init_hwif = init_hwif_pdc202new,
637 .channels = 2,
638 .autodma = AUTODMA,
639 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200640 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641 },{ /* 4 */
642 .name = "PDC20275",
643 .init_setup = init_setup_pdcnew,
644 .init_chipset = init_chipset_pdcnew,
645 .init_hwif = init_hwif_pdc202new,
646 .channels = 2,
647 .autodma = AUTODMA,
648 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200649 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700650 },{ /* 5 */
651 .name = "PDC20276",
652 .init_setup = init_setup_pdc20276,
653 .init_chipset = init_chipset_pdcnew,
654 .init_hwif = init_hwif_pdc202new,
655 .channels = 2,
656 .autodma = AUTODMA,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200658 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700659 },{ /* 6 */
660 .name = "PDC20277",
661 .init_setup = init_setup_pdcnew,
662 .init_chipset = init_chipset_pdcnew,
663 .init_hwif = init_hwif_pdc202new,
664 .channels = 2,
665 .autodma = AUTODMA,
666 .bootable = OFF_BOARD,
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200667 .udma_mask = 0x7f, /* udma0-6*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 }
669};
670
671/**
672 * pdc202new_init_one - called when a pdc202xx is found
673 * @dev: the pdc202new device
674 * @id: the matching pci id
675 *
676 * Called when the PCI registration layer (or the IDE initialization)
677 * finds a device matching our IDE device tables.
678 */
679
680static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id)
681{
682 ide_pci_device_t *d = &pdcnew_chipsets[id->driver_data];
683
684 return d->init_setup(dev, d);
685}
686
687static struct pci_device_id pdc202new_pci_tbl[] = {
688 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
689 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
690 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
691 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20271, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
692 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
693 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
694 { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20277, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
695 { 0, },
696};
697MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl);
698
699static struct pci_driver driver = {
700 .name = "Promise_IDE",
701 .id_table = pdc202new_pci_tbl,
702 .probe = pdc202new_init_one,
703};
704
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100705static int __init pdc202new_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706{
707 return ide_pci_register_driver(&driver);
708}
709
710module_init(pdc202new_ide_init);
711
712MODULE_AUTHOR("Andre Hedrick, Frank Tiernan");
713MODULE_DESCRIPTION("PCI driver module for Promise PDC20268 and higher");
714MODULE_LICENSE("GPL");