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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
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> | |
35198234 | 12 | * Copyright (C) 2005-2007 MontaVista Software, Inc. |
1da177e4 LT |
13 | * Portions Copyright (C) 1999 Promise Technology, Inc. |
14 | * Author: Frank Tiernan (frankt@promise.com) | |
15 | * Released under terms of General Public License | |
16 | */ | |
17 | ||
1da177e4 LT |
18 | #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 | ||
47694bb8 SS |
40 | #undef DEBUG |
41 | ||
42 | #ifdef DEBUG | |
43 | #define DBG(fmt, args...) printk("%s: " fmt, __FUNCTION__, ## args) | |
44 | #else | |
45 | #define DBG(fmt, args...) | |
46 | #endif | |
47 | ||
3c6bee1d | 48 | static const char *pdc_quirk_drives[] = { |
1da177e4 LT |
49 | "QUANTUM FIREBALLlct08 08", |
50 | "QUANTUM FIREBALLP KA6.4", | |
51 | "QUANTUM FIREBALLP KA9.1", | |
52 | "QUANTUM FIREBALLP LM20.4", | |
53 | "QUANTUM FIREBALLP KX13.6", | |
54 | "QUANTUM FIREBALLP KX20.5", | |
55 | "QUANTUM FIREBALLP KX27.3", | |
56 | "QUANTUM FIREBALLP LM20.5", | |
57 | NULL | |
58 | }; | |
59 | ||
47694bb8 | 60 | static u8 max_dma_rate(struct pci_dev *pdev) |
1da177e4 LT |
61 | { |
62 | u8 mode; | |
63 | ||
47694bb8 | 64 | switch(pdev->device) { |
1da177e4 LT |
65 | case PCI_DEVICE_ID_PROMISE_20277: |
66 | case PCI_DEVICE_ID_PROMISE_20276: | |
67 | case PCI_DEVICE_ID_PROMISE_20275: | |
68 | case PCI_DEVICE_ID_PROMISE_20271: | |
69 | case PCI_DEVICE_ID_PROMISE_20269: | |
70 | mode = 4; | |
71 | break; | |
72 | case PCI_DEVICE_ID_PROMISE_20270: | |
73 | case PCI_DEVICE_ID_PROMISE_20268: | |
74 | mode = 3; | |
75 | break; | |
76 | default: | |
77 | return 0; | |
78 | } | |
47694bb8 | 79 | |
1da177e4 LT |
80 | return mode; |
81 | } | |
82 | ||
47694bb8 SS |
83 | /** |
84 | * get_indexed_reg - Get indexed register | |
85 | * @hwif: for the port address | |
86 | * @index: index of the indexed register | |
87 | */ | |
88 | static u8 get_indexed_reg(ide_hwif_t *hwif, u8 index) | |
89 | { | |
90 | u8 value; | |
91 | ||
0ecdca26 BZ |
92 | outb(index, hwif->dma_vendor1); |
93 | value = inb(hwif->dma_vendor3); | |
47694bb8 SS |
94 | |
95 | DBG("index[%02X] value[%02X]\n", index, value); | |
96 | return value; | |
97 | } | |
98 | ||
99 | /** | |
100 | * set_indexed_reg - Set indexed register | |
101 | * @hwif: for the port address | |
102 | * @index: index of the indexed register | |
103 | */ | |
104 | static void set_indexed_reg(ide_hwif_t *hwif, u8 index, u8 value) | |
105 | { | |
0ecdca26 BZ |
106 | outb(index, hwif->dma_vendor1); |
107 | outb(value, hwif->dma_vendor3); | |
47694bb8 SS |
108 | DBG("index[%02X] value[%02X]\n", index, value); |
109 | } | |
110 | ||
111 | /* | |
112 | * ATA Timing Tables based on 133 MHz PLL output clock. | |
113 | * | |
114 | * If the PLL outputs 100 MHz clock, the ASIC hardware will set | |
115 | * the timing registers automatically when "set features" command is | |
116 | * issued to the device. However, if the PLL output clock is 133 MHz, | |
117 | * the following tables must be used. | |
118 | */ | |
119 | static struct pio_timing { | |
120 | u8 reg0c, reg0d, reg13; | |
121 | } pio_timings [] = { | |
122 | { 0xfb, 0x2b, 0xac }, /* PIO mode 0, IORDY off, Prefetch off */ | |
123 | { 0x46, 0x29, 0xa4 }, /* PIO mode 1, IORDY off, Prefetch off */ | |
124 | { 0x23, 0x26, 0x64 }, /* PIO mode 2, IORDY off, Prefetch off */ | |
125 | { 0x27, 0x0d, 0x35 }, /* PIO mode 3, IORDY on, Prefetch off */ | |
126 | { 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */ | |
127 | }; | |
128 | ||
129 | static struct mwdma_timing { | |
130 | u8 reg0e, reg0f; | |
131 | } mwdma_timings [] = { | |
132 | { 0xdf, 0x5f }, /* MWDMA mode 0 */ | |
133 | { 0x6b, 0x27 }, /* MWDMA mode 1 */ | |
134 | { 0x69, 0x25 }, /* MWDMA mode 2 */ | |
135 | }; | |
136 | ||
137 | static struct udma_timing { | |
138 | u8 reg10, reg11, reg12; | |
139 | } udma_timings [] = { | |
140 | { 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */ | |
141 | { 0x3a, 0x0a, 0xd0 }, /* UDMA mode 1 */ | |
142 | { 0x2a, 0x07, 0xcd }, /* UDMA mode 2 */ | |
143 | { 0x1a, 0x05, 0xcd }, /* UDMA mode 3 */ | |
144 | { 0x1a, 0x03, 0xcd }, /* UDMA mode 4 */ | |
145 | { 0x1a, 0x02, 0xcb }, /* UDMA mode 5 */ | |
146 | { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */ | |
147 | }; | |
148 | ||
149 | static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed) | |
1da177e4 LT |
150 | { |
151 | ide_hwif_t *hwif = HWIF(drive); | |
47694bb8 SS |
152 | u8 adj = (drive->dn & 1) ? 0x08 : 0x00; |
153 | int err; | |
1da177e4 | 154 | |
2d5eaa6d | 155 | speed = ide_rate_filter(drive, speed); |
1da177e4 | 156 | |
47694bb8 SS |
157 | /* |
158 | * Issue SETFEATURES_XFER to the drive first. PDC202xx hardware will | |
159 | * automatically set the timing registers based on 100 MHz PLL output. | |
160 | */ | |
161 | err = ide_config_drive_speed(drive, speed); | |
162 | ||
163 | /* | |
164 | * As we set up the PLL to output 133 MHz for UltraDMA/133 capable | |
165 | * chips, we must override the default register settings... | |
166 | */ | |
167 | if (max_dma_rate(hwif->pci_dev) == 4) { | |
168 | u8 mode = speed & 0x07; | |
169 | ||
170 | switch (speed) { | |
171 | case XFER_UDMA_6: | |
172 | case XFER_UDMA_5: | |
173 | case XFER_UDMA_4: | |
174 | case XFER_UDMA_3: | |
175 | case XFER_UDMA_2: | |
176 | case XFER_UDMA_1: | |
177 | case XFER_UDMA_0: | |
178 | set_indexed_reg(hwif, 0x10 + adj, | |
179 | udma_timings[mode].reg10); | |
180 | set_indexed_reg(hwif, 0x11 + adj, | |
181 | udma_timings[mode].reg11); | |
182 | set_indexed_reg(hwif, 0x12 + adj, | |
183 | udma_timings[mode].reg12); | |
184 | break; | |
185 | ||
186 | case XFER_MW_DMA_2: | |
187 | case XFER_MW_DMA_1: | |
188 | case XFER_MW_DMA_0: | |
189 | set_indexed_reg(hwif, 0x0e + adj, | |
190 | mwdma_timings[mode].reg0e); | |
191 | set_indexed_reg(hwif, 0x0f + adj, | |
192 | mwdma_timings[mode].reg0f); | |
193 | break; | |
194 | case XFER_PIO_4: | |
195 | case XFER_PIO_3: | |
196 | case XFER_PIO_2: | |
197 | case XFER_PIO_1: | |
198 | case XFER_PIO_0: | |
199 | set_indexed_reg(hwif, 0x0c + adj, | |
200 | pio_timings[mode].reg0c); | |
201 | set_indexed_reg(hwif, 0x0d + adj, | |
202 | pio_timings[mode].reg0d); | |
203 | set_indexed_reg(hwif, 0x13 + adj, | |
204 | pio_timings[mode].reg13); | |
205 | break; | |
206 | default: | |
207 | printk(KERN_ERR "pdc202xx_new: " | |
208 | "Unknown speed %d ignored\n", speed); | |
209 | } | |
210 | } else if (speed == XFER_UDMA_2) { | |
211 | /* Set tHOLD bit to 0 if using UDMA mode 2 */ | |
212 | u8 tmp = get_indexed_reg(hwif, 0x10 + adj); | |
213 | ||
214 | set_indexed_reg(hwif, 0x10 + adj, tmp & 0x7f); | |
215 | } | |
216 | ||
217 | return err; | |
1da177e4 LT |
218 | } |
219 | ||
1da177e4 LT |
220 | static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio) |
221 | { | |
2134758d | 222 | pio = ide_get_best_pio_mode(drive, pio, 4); |
47694bb8 | 223 | (void)pdcnew_tune_chipset(drive, XFER_PIO_0 + pio); |
1da177e4 LT |
224 | } |
225 | ||
47694bb8 | 226 | static u8 pdcnew_cable_detect(ide_hwif_t *hwif) |
1da177e4 | 227 | { |
49521f97 BZ |
228 | if (get_indexed_reg(hwif, 0x0b) & 0x04) |
229 | return ATA_CBL_PATA40; | |
230 | else | |
231 | return ATA_CBL_PATA80; | |
1da177e4 | 232 | } |
47694bb8 | 233 | |
47694bb8 | 234 | static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive) |
1da177e4 | 235 | { |
1da177e4 LT |
236 | drive->init_speed = 0; |
237 | ||
7f86723a | 238 | if (ide_tune_dma(drive)) |
3608b5d7 | 239 | return 0; |
1da177e4 | 240 | |
d8f4469d | 241 | if (ide_use_fast_pio(drive)) |
3608b5d7 | 242 | pdcnew_tune_drive(drive, 255); |
d8f4469d | 243 | |
3608b5d7 | 244 | return -1; |
1da177e4 LT |
245 | } |
246 | ||
47694bb8 | 247 | static int pdcnew_quirkproc(ide_drive_t *drive) |
1da177e4 | 248 | { |
d24ec426 SS |
249 | const char **list, *model = drive->id->model; |
250 | ||
251 | for (list = pdc_quirk_drives; *list != NULL; list++) | |
252 | if (strstr(model, *list) != NULL) | |
253 | return 2; | |
254 | return 0; | |
1da177e4 LT |
255 | } |
256 | ||
47694bb8 | 257 | static void pdcnew_reset(ide_drive_t *drive) |
1da177e4 LT |
258 | { |
259 | /* | |
260 | * Deleted this because it is redundant from the caller. | |
261 | */ | |
47694bb8 | 262 | printk(KERN_WARNING "pdc202xx_new: %s channel reset.\n", |
1da177e4 LT |
263 | HWIF(drive)->channel ? "Secondary" : "Primary"); |
264 | } | |
265 | ||
47694bb8 SS |
266 | /** |
267 | * read_counter - Read the byte count registers | |
268 | * @dma_base: for the port address | |
269 | */ | |
270 | static long __devinit read_counter(u32 dma_base) | |
271 | { | |
272 | u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08; | |
273 | u8 cnt0, cnt1, cnt2, cnt3; | |
274 | long count = 0, last; | |
275 | int retry = 3; | |
276 | ||
277 | do { | |
278 | last = count; | |
279 | ||
280 | /* Read the current count */ | |
281 | outb(0x20, pri_dma_base + 0x01); | |
282 | cnt0 = inb(pri_dma_base + 0x03); | |
283 | outb(0x21, pri_dma_base + 0x01); | |
284 | cnt1 = inb(pri_dma_base + 0x03); | |
285 | outb(0x20, sec_dma_base + 0x01); | |
286 | cnt2 = inb(sec_dma_base + 0x03); | |
287 | outb(0x21, sec_dma_base + 0x01); | |
288 | cnt3 = inb(sec_dma_base + 0x03); | |
289 | ||
290 | count = (cnt3 << 23) | (cnt2 << 15) | (cnt1 << 8) | cnt0; | |
291 | ||
292 | /* | |
293 | * The 30-bit decrementing counter is read in 4 pieces. | |
294 | * Incorrect value may be read when the most significant bytes | |
295 | * are changing... | |
296 | */ | |
297 | } while (retry-- && (((last ^ count) & 0x3fff8000) || last < count)); | |
298 | ||
299 | DBG("cnt0[%02X] cnt1[%02X] cnt2[%02X] cnt3[%02X]\n", | |
300 | cnt0, cnt1, cnt2, cnt3); | |
301 | ||
302 | return count; | |
303 | } | |
304 | ||
305 | /** | |
306 | * detect_pll_input_clock - Detect the PLL input clock in Hz. | |
307 | * @dma_base: for the port address | |
308 | * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock. | |
309 | */ | |
310 | static long __devinit detect_pll_input_clock(unsigned long dma_base) | |
311 | { | |
8006bf56 | 312 | struct timeval start_time, end_time; |
47694bb8 | 313 | long start_count, end_count; |
8006bf56 | 314 | long pll_input, usec_elapsed; |
47694bb8 SS |
315 | u8 scr1; |
316 | ||
317 | start_count = read_counter(dma_base); | |
8006bf56 | 318 | do_gettimeofday(&start_time); |
47694bb8 SS |
319 | |
320 | /* Start the test mode */ | |
321 | outb(0x01, dma_base + 0x01); | |
322 | scr1 = inb(dma_base + 0x03); | |
323 | DBG("scr1[%02X]\n", scr1); | |
324 | outb(scr1 | 0x40, dma_base + 0x03); | |
325 | ||
326 | /* Let the counter run for 10 ms. */ | |
327 | mdelay(10); | |
328 | ||
329 | end_count = read_counter(dma_base); | |
8006bf56 | 330 | do_gettimeofday(&end_time); |
47694bb8 SS |
331 | |
332 | /* Stop the test mode */ | |
333 | outb(0x01, dma_base + 0x01); | |
334 | scr1 = inb(dma_base + 0x03); | |
335 | DBG("scr1[%02X]\n", scr1); | |
336 | outb(scr1 & ~0x40, dma_base + 0x03); | |
337 | ||
338 | /* | |
339 | * Calculate the input clock in Hz | |
340 | * (the clock counter is 30 bit wide and counts down) | |
341 | */ | |
8006bf56 AL |
342 | usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 + |
343 | (end_time.tv_usec - start_time.tv_usec); | |
56fe23d5 | 344 | pll_input = ((start_count - end_count) & 0x3fffffff) / 10 * |
8006bf56 | 345 | (10000000 / usec_elapsed); |
47694bb8 SS |
346 | |
347 | DBG("start[%ld] end[%ld]\n", start_count, end_count); | |
348 | ||
349 | return pll_input; | |
350 | } | |
351 | ||
1da177e4 LT |
352 | #ifdef CONFIG_PPC_PMAC |
353 | static void __devinit apple_kiwi_init(struct pci_dev *pdev) | |
354 | { | |
355 | struct device_node *np = pci_device_to_OF_node(pdev); | |
356 | unsigned int class_rev = 0; | |
1da177e4 LT |
357 | u8 conf; |
358 | ||
55b61fec | 359 | if (np == NULL || !of_device_is_compatible(np, "kiwi-root")) |
1da177e4 LT |
360 | return; |
361 | ||
362 | pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev); | |
363 | class_rev &= 0xff; | |
364 | ||
365 | if (class_rev >= 0x03) { | |
366 | /* Setup chip magic config stuff (from darwin) */ | |
47694bb8 SS |
367 | pci_read_config_byte (pdev, 0x40, &conf); |
368 | pci_write_config_byte(pdev, 0x40, (conf | 0x01)); | |
1da177e4 | 369 | } |
1da177e4 LT |
370 | } |
371 | #endif /* CONFIG_PPC_PMAC */ | |
372 | ||
373 | static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const char *name) | |
374 | { | |
47694bb8 SS |
375 | unsigned long dma_base = pci_resource_start(dev, 4); |
376 | unsigned long sec_dma_base = dma_base + 0x08; | |
377 | long pll_input, pll_output, ratio; | |
378 | int f, r; | |
379 | u8 pll_ctl0, pll_ctl1; | |
380 | ||
01cc643a BZ |
381 | if (dma_base == 0) |
382 | return -EFAULT; | |
383 | ||
1da177e4 LT |
384 | #ifdef CONFIG_PPC_PMAC |
385 | apple_kiwi_init(dev); | |
386 | #endif | |
387 | ||
47694bb8 SS |
388 | /* Calculate the required PLL output frequency */ |
389 | switch(max_dma_rate(dev)) { | |
390 | case 4: /* it's 133 MHz for Ultra133 chips */ | |
391 | pll_output = 133333333; | |
392 | break; | |
393 | case 3: /* and 100 MHz for Ultra100 chips */ | |
394 | default: | |
395 | pll_output = 100000000; | |
396 | break; | |
397 | } | |
398 | ||
399 | /* | |
400 | * Detect PLL input clock. | |
401 | * On some systems, where PCI bus is running at non-standard clock rate | |
402 | * (e.g. 25 or 40 MHz), we have to adjust the cycle time. | |
403 | * PDC20268 and newer chips employ PLL circuit to help correct timing | |
404 | * registers setting. | |
405 | */ | |
406 | pll_input = detect_pll_input_clock(dma_base); | |
407 | printk("%s: PLL input clock is %ld kHz\n", name, pll_input / 1000); | |
408 | ||
409 | /* Sanity check */ | |
410 | if (unlikely(pll_input < 5000000L || pll_input > 70000000L)) { | |
411 | printk(KERN_ERR "%s: Bad PLL input clock %ld Hz, giving up!\n", | |
412 | name, pll_input); | |
413 | goto out; | |
414 | } | |
415 | ||
416 | #ifdef DEBUG | |
417 | DBG("pll_output is %ld Hz\n", pll_output); | |
418 | ||
419 | /* Show the current clock value of PLL control register | |
420 | * (maybe already configured by the BIOS) | |
421 | */ | |
422 | outb(0x02, sec_dma_base + 0x01); | |
423 | pll_ctl0 = inb(sec_dma_base + 0x03); | |
424 | outb(0x03, sec_dma_base + 0x01); | |
425 | pll_ctl1 = inb(sec_dma_base + 0x03); | |
426 | ||
427 | DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); | |
428 | #endif | |
429 | ||
430 | /* | |
431 | * Calculate the ratio of F, R and NO | |
432 | * POUT = (F + 2) / (( R + 2) * NO) | |
433 | */ | |
434 | ratio = pll_output / (pll_input / 1000); | |
435 | if (ratio < 8600L) { /* 8.6x */ | |
436 | /* Using NO = 0x01, R = 0x0d */ | |
437 | r = 0x0d; | |
438 | } else if (ratio < 12900L) { /* 12.9x */ | |
439 | /* Using NO = 0x01, R = 0x08 */ | |
440 | r = 0x08; | |
441 | } else if (ratio < 16100L) { /* 16.1x */ | |
442 | /* Using NO = 0x01, R = 0x06 */ | |
443 | r = 0x06; | |
444 | } else if (ratio < 64000L) { /* 64x */ | |
445 | r = 0x00; | |
446 | } else { | |
447 | /* Invalid ratio */ | |
448 | printk(KERN_ERR "%s: Bad ratio %ld, giving up!\n", name, ratio); | |
449 | goto out; | |
450 | } | |
451 | ||
452 | f = (ratio * (r + 2)) / 1000 - 2; | |
453 | ||
454 | DBG("F[%d] R[%d] ratio*1000[%ld]\n", f, r, ratio); | |
455 | ||
456 | if (unlikely(f < 0 || f > 127)) { | |
457 | /* Invalid F */ | |
458 | printk(KERN_ERR "%s: F[%d] invalid!\n", name, f); | |
459 | goto out; | |
460 | } | |
461 | ||
462 | pll_ctl0 = (u8) f; | |
463 | pll_ctl1 = (u8) r; | |
464 | ||
465 | DBG("Writing pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); | |
466 | ||
467 | outb(0x02, sec_dma_base + 0x01); | |
468 | outb(pll_ctl0, sec_dma_base + 0x03); | |
469 | outb(0x03, sec_dma_base + 0x01); | |
470 | outb(pll_ctl1, sec_dma_base + 0x03); | |
471 | ||
472 | /* Wait the PLL circuit to be stable */ | |
473 | mdelay(30); | |
474 | ||
475 | #ifdef DEBUG | |
476 | /* | |
477 | * Show the current clock value of PLL control register | |
478 | */ | |
479 | outb(0x02, sec_dma_base + 0x01); | |
480 | pll_ctl0 = inb(sec_dma_base + 0x03); | |
481 | outb(0x03, sec_dma_base + 0x01); | |
482 | pll_ctl1 = inb(sec_dma_base + 0x03); | |
483 | ||
484 | DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); | |
485 | #endif | |
486 | ||
487 | out: | |
1da177e4 LT |
488 | return dev->irq; |
489 | } | |
490 | ||
491 | static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif) | |
492 | { | |
493 | hwif->autodma = 0; | |
494 | ||
495 | hwif->tuneproc = &pdcnew_tune_drive; | |
496 | hwif->quirkproc = &pdcnew_quirkproc; | |
47694bb8 SS |
497 | hwif->speedproc = &pdcnew_tune_chipset; |
498 | hwif->resetproc = &pdcnew_reset; | |
1da177e4 | 499 | |
01cc643a BZ |
500 | hwif->err_stops_fifo = 1; |
501 | ||
1da177e4 LT |
502 | hwif->drives[0].autotune = hwif->drives[1].autotune = 1; |
503 | ||
01cc643a BZ |
504 | if (hwif->dma_base == 0) |
505 | return; | |
506 | ||
362ebd83 | 507 | hwif->atapi_dma = 1; |
18137207 BZ |
508 | |
509 | hwif->ultra_mask = hwif->cds->udma_mask; | |
1da177e4 LT |
510 | hwif->mwdma_mask = 0x07; |
511 | ||
512 | hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate; | |
47694bb8 | 513 | |
49521f97 BZ |
514 | if (hwif->cbl != ATA_CBL_PATA40_SHORT) |
515 | hwif->cbl = pdcnew_cable_detect(hwif); | |
47694bb8 | 516 | |
1da177e4 LT |
517 | if (!noautodma) |
518 | hwif->autodma = 1; | |
519 | hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma; | |
1da177e4 LT |
520 | } |
521 | ||
522 | static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d) | |
523 | { | |
524 | return ide_setup_pci_device(dev, d); | |
525 | } | |
526 | ||
527 | static int __devinit init_setup_pdc20270(struct pci_dev *dev, | |
528 | ide_pci_device_t *d) | |
529 | { | |
530 | struct pci_dev *findev = NULL; | |
b1489009 | 531 | int ret; |
1da177e4 LT |
532 | |
533 | if ((dev->bus->self && | |
534 | dev->bus->self->vendor == PCI_VENDOR_ID_DEC) && | |
535 | (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) { | |
536 | if (PCI_SLOT(dev->devfn) & 2) | |
537 | return -ENODEV; | |
35198234 | 538 | |
b1489009 | 539 | while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { |
1da177e4 LT |
540 | if ((findev->vendor == dev->vendor) && |
541 | (findev->device == dev->device) && | |
542 | (PCI_SLOT(findev->devfn) & 2)) { | |
543 | if (findev->irq != dev->irq) { | |
544 | findev->irq = dev->irq; | |
545 | } | |
b1489009 | 546 | ret = ide_setup_pci_devices(dev, findev, d); |
35198234 SS |
547 | if (ret < 0) |
548 | pci_dev_put(findev); | |
b1489009 | 549 | return ret; |
1da177e4 LT |
550 | } |
551 | } | |
552 | } | |
553 | return ide_setup_pci_device(dev, d); | |
554 | } | |
555 | ||
556 | static int __devinit init_setup_pdc20276(struct pci_dev *dev, | |
557 | ide_pci_device_t *d) | |
558 | { | |
559 | if ((dev->bus->self) && | |
560 | (dev->bus->self->vendor == PCI_VENDOR_ID_INTEL) && | |
561 | ((dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960) || | |
562 | (dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960RM))) { | |
563 | printk(KERN_INFO "ide: Skipping Promise PDC20276 " | |
564 | "attached to I2O RAID controller.\n"); | |
565 | return -ENODEV; | |
566 | } | |
567 | return ide_setup_pci_device(dev, d); | |
568 | } | |
569 | ||
570 | static ide_pci_device_t pdcnew_chipsets[] __devinitdata = { | |
571 | { /* 0 */ | |
572 | .name = "PDC20268", | |
573 | .init_setup = init_setup_pdcnew, | |
574 | .init_chipset = init_chipset_pdcnew, | |
575 | .init_hwif = init_hwif_pdc202new, | |
1da177e4 LT |
576 | .autodma = AUTODMA, |
577 | .bootable = OFF_BOARD, | |
4099d143 | 578 | .pio_mask = ATA_PIO4, |
18137207 | 579 | .udma_mask = 0x3f, /* udma0-5 */ |
1da177e4 LT |
580 | },{ /* 1 */ |
581 | .name = "PDC20269", | |
582 | .init_setup = init_setup_pdcnew, | |
583 | .init_chipset = init_chipset_pdcnew, | |
584 | .init_hwif = init_hwif_pdc202new, | |
1da177e4 LT |
585 | .autodma = AUTODMA, |
586 | .bootable = OFF_BOARD, | |
4099d143 | 587 | .pio_mask = ATA_PIO4, |
18137207 | 588 | .udma_mask = 0x7f, /* udma0-6*/ |
1da177e4 LT |
589 | },{ /* 2 */ |
590 | .name = "PDC20270", | |
591 | .init_setup = init_setup_pdc20270, | |
592 | .init_chipset = init_chipset_pdcnew, | |
593 | .init_hwif = init_hwif_pdc202new, | |
1da177e4 | 594 | .autodma = AUTODMA, |
1da177e4 | 595 | .bootable = OFF_BOARD, |
4099d143 | 596 | .pio_mask = ATA_PIO4, |
18137207 | 597 | .udma_mask = 0x3f, /* udma0-5 */ |
1da177e4 LT |
598 | },{ /* 3 */ |
599 | .name = "PDC20271", | |
600 | .init_setup = init_setup_pdcnew, | |
601 | .init_chipset = init_chipset_pdcnew, | |
602 | .init_hwif = init_hwif_pdc202new, | |
1da177e4 LT |
603 | .autodma = AUTODMA, |
604 | .bootable = OFF_BOARD, | |
4099d143 | 605 | .pio_mask = ATA_PIO4, |
18137207 | 606 | .udma_mask = 0x7f, /* udma0-6*/ |
1da177e4 LT |
607 | },{ /* 4 */ |
608 | .name = "PDC20275", | |
609 | .init_setup = init_setup_pdcnew, | |
610 | .init_chipset = init_chipset_pdcnew, | |
611 | .init_hwif = init_hwif_pdc202new, | |
1da177e4 LT |
612 | .autodma = AUTODMA, |
613 | .bootable = OFF_BOARD, | |
4099d143 | 614 | .pio_mask = ATA_PIO4, |
18137207 | 615 | .udma_mask = 0x7f, /* udma0-6*/ |
1da177e4 LT |
616 | },{ /* 5 */ |
617 | .name = "PDC20276", | |
618 | .init_setup = init_setup_pdc20276, | |
619 | .init_chipset = init_chipset_pdcnew, | |
620 | .init_hwif = init_hwif_pdc202new, | |
1da177e4 | 621 | .autodma = AUTODMA, |
1da177e4 | 622 | .bootable = OFF_BOARD, |
4099d143 | 623 | .pio_mask = ATA_PIO4, |
18137207 | 624 | .udma_mask = 0x7f, /* udma0-6*/ |
1da177e4 LT |
625 | },{ /* 6 */ |
626 | .name = "PDC20277", | |
627 | .init_setup = init_setup_pdcnew, | |
628 | .init_chipset = init_chipset_pdcnew, | |
629 | .init_hwif = init_hwif_pdc202new, | |
1da177e4 LT |
630 | .autodma = AUTODMA, |
631 | .bootable = OFF_BOARD, | |
4099d143 | 632 | .pio_mask = ATA_PIO4, |
18137207 | 633 | .udma_mask = 0x7f, /* udma0-6*/ |
1da177e4 LT |
634 | } |
635 | }; | |
636 | ||
637 | /** | |
638 | * pdc202new_init_one - called when a pdc202xx is found | |
639 | * @dev: the pdc202new device | |
640 | * @id: the matching pci id | |
641 | * | |
642 | * Called when the PCI registration layer (or the IDE initialization) | |
643 | * finds a device matching our IDE device tables. | |
644 | */ | |
645 | ||
646 | static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
647 | { | |
648 | ide_pci_device_t *d = &pdcnew_chipsets[id->driver_data]; | |
649 | ||
650 | return d->init_setup(dev, d); | |
651 | } | |
652 | ||
653 | static struct pci_device_id pdc202new_pci_tbl[] = { | |
654 | { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
655 | { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, | |
656 | { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, | |
657 | { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20271, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, | |
658 | { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, | |
659 | { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, | |
660 | { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20277, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6}, | |
661 | { 0, }, | |
662 | }; | |
663 | MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl); | |
664 | ||
665 | static struct pci_driver driver = { | |
666 | .name = "Promise_IDE", | |
667 | .id_table = pdc202new_pci_tbl, | |
668 | .probe = pdc202new_init_one, | |
669 | }; | |
670 | ||
82ab1eec | 671 | static int __init pdc202new_ide_init(void) |
1da177e4 LT |
672 | { |
673 | return ide_pci_register_driver(&driver); | |
674 | } | |
675 | ||
676 | module_init(pdc202new_ide_init); | |
677 | ||
678 | MODULE_AUTHOR("Andre Hedrick, Frank Tiernan"); | |
679 | MODULE_DESCRIPTION("PCI driver module for Promise PDC20268 and higher"); | |
680 | MODULE_LICENSE("GPL"); |