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> | |
1da177e4 | 22 | #include <linux/hdreg.h> |
1da177e4 LT |
23 | #include <linux/pci.h> |
24 | #include <linux/init.h> | |
25 | #include <linux/ide.h> | |
26 | ||
27 | #include <asm/io.h> | |
1da177e4 LT |
28 | |
29 | #ifdef CONFIG_PPC_PMAC | |
30 | #include <asm/prom.h> | |
31 | #include <asm/pci-bridge.h> | |
32 | #endif | |
33 | ||
47694bb8 SS |
34 | #undef DEBUG |
35 | ||
36 | #ifdef DEBUG | |
37 | #define DBG(fmt, args...) printk("%s: " fmt, __FUNCTION__, ## args) | |
38 | #else | |
39 | #define DBG(fmt, args...) | |
40 | #endif | |
41 | ||
3c6bee1d | 42 | static const char *pdc_quirk_drives[] = { |
1da177e4 LT |
43 | "QUANTUM FIREBALLlct08 08", |
44 | "QUANTUM FIREBALLP KA6.4", | |
45 | "QUANTUM FIREBALLP KA9.1", | |
46 | "QUANTUM FIREBALLP LM20.4", | |
47 | "QUANTUM FIREBALLP KX13.6", | |
48 | "QUANTUM FIREBALLP KX20.5", | |
49 | "QUANTUM FIREBALLP KX27.3", | |
50 | "QUANTUM FIREBALLP LM20.5", | |
51 | NULL | |
52 | }; | |
53 | ||
47694bb8 | 54 | static u8 max_dma_rate(struct pci_dev *pdev) |
1da177e4 LT |
55 | { |
56 | u8 mode; | |
57 | ||
47694bb8 | 58 | switch(pdev->device) { |
1da177e4 LT |
59 | case PCI_DEVICE_ID_PROMISE_20277: |
60 | case PCI_DEVICE_ID_PROMISE_20276: | |
61 | case PCI_DEVICE_ID_PROMISE_20275: | |
62 | case PCI_DEVICE_ID_PROMISE_20271: | |
63 | case PCI_DEVICE_ID_PROMISE_20269: | |
64 | mode = 4; | |
65 | break; | |
66 | case PCI_DEVICE_ID_PROMISE_20270: | |
67 | case PCI_DEVICE_ID_PROMISE_20268: | |
68 | mode = 3; | |
69 | break; | |
70 | default: | |
71 | return 0; | |
72 | } | |
47694bb8 | 73 | |
1da177e4 LT |
74 | return mode; |
75 | } | |
76 | ||
47694bb8 SS |
77 | /** |
78 | * get_indexed_reg - Get indexed register | |
79 | * @hwif: for the port address | |
80 | * @index: index of the indexed register | |
81 | */ | |
82 | static u8 get_indexed_reg(ide_hwif_t *hwif, u8 index) | |
83 | { | |
84 | u8 value; | |
85 | ||
0ecdca26 BZ |
86 | outb(index, hwif->dma_vendor1); |
87 | value = inb(hwif->dma_vendor3); | |
47694bb8 SS |
88 | |
89 | DBG("index[%02X] value[%02X]\n", index, value); | |
90 | return value; | |
91 | } | |
92 | ||
93 | /** | |
94 | * set_indexed_reg - Set indexed register | |
95 | * @hwif: for the port address | |
96 | * @index: index of the indexed register | |
97 | */ | |
98 | static void set_indexed_reg(ide_hwif_t *hwif, u8 index, u8 value) | |
99 | { | |
0ecdca26 BZ |
100 | outb(index, hwif->dma_vendor1); |
101 | outb(value, hwif->dma_vendor3); | |
47694bb8 SS |
102 | DBG("index[%02X] value[%02X]\n", index, value); |
103 | } | |
104 | ||
105 | /* | |
106 | * ATA Timing Tables based on 133 MHz PLL output clock. | |
107 | * | |
108 | * If the PLL outputs 100 MHz clock, the ASIC hardware will set | |
109 | * the timing registers automatically when "set features" command is | |
110 | * issued to the device. However, if the PLL output clock is 133 MHz, | |
111 | * the following tables must be used. | |
112 | */ | |
113 | static struct pio_timing { | |
114 | u8 reg0c, reg0d, reg13; | |
115 | } pio_timings [] = { | |
116 | { 0xfb, 0x2b, 0xac }, /* PIO mode 0, IORDY off, Prefetch off */ | |
117 | { 0x46, 0x29, 0xa4 }, /* PIO mode 1, IORDY off, Prefetch off */ | |
118 | { 0x23, 0x26, 0x64 }, /* PIO mode 2, IORDY off, Prefetch off */ | |
119 | { 0x27, 0x0d, 0x35 }, /* PIO mode 3, IORDY on, Prefetch off */ | |
120 | { 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */ | |
121 | }; | |
122 | ||
123 | static struct mwdma_timing { | |
124 | u8 reg0e, reg0f; | |
125 | } mwdma_timings [] = { | |
126 | { 0xdf, 0x5f }, /* MWDMA mode 0 */ | |
127 | { 0x6b, 0x27 }, /* MWDMA mode 1 */ | |
128 | { 0x69, 0x25 }, /* MWDMA mode 2 */ | |
129 | }; | |
130 | ||
131 | static struct udma_timing { | |
132 | u8 reg10, reg11, reg12; | |
133 | } udma_timings [] = { | |
134 | { 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */ | |
135 | { 0x3a, 0x0a, 0xd0 }, /* UDMA mode 1 */ | |
136 | { 0x2a, 0x07, 0xcd }, /* UDMA mode 2 */ | |
137 | { 0x1a, 0x05, 0xcd }, /* UDMA mode 3 */ | |
138 | { 0x1a, 0x03, 0xcd }, /* UDMA mode 4 */ | |
139 | { 0x1a, 0x02, 0xcb }, /* UDMA mode 5 */ | |
140 | { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */ | |
141 | }; | |
142 | ||
ad4ba7dc | 143 | static void pdcnew_set_dma_mode(ide_drive_t *drive, const u8 speed) |
1da177e4 LT |
144 | { |
145 | ide_hwif_t *hwif = HWIF(drive); | |
36501650 | 146 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
47694bb8 | 147 | u8 adj = (drive->dn & 1) ? 0x08 : 0x00; |
1da177e4 | 148 | |
47694bb8 | 149 | /* |
88b2b32b BZ |
150 | * IDE core issues SETFEATURES_XFER to the drive first (thanks to |
151 | * IDE_HFLAG_POST_SET_MODE in ->host_flags). PDC202xx hardware will | |
47694bb8 | 152 | * automatically set the timing registers based on 100 MHz PLL output. |
88b2b32b | 153 | * |
47694bb8 SS |
154 | * As we set up the PLL to output 133 MHz for UltraDMA/133 capable |
155 | * chips, we must override the default register settings... | |
156 | */ | |
36501650 | 157 | if (max_dma_rate(dev) == 4) { |
47694bb8 SS |
158 | u8 mode = speed & 0x07; |
159 | ||
4db90a14 BZ |
160 | if (speed >= XFER_UDMA_0) { |
161 | set_indexed_reg(hwif, 0x10 + adj, | |
162 | udma_timings[mode].reg10); | |
163 | set_indexed_reg(hwif, 0x11 + adj, | |
164 | udma_timings[mode].reg11); | |
165 | set_indexed_reg(hwif, 0x12 + adj, | |
166 | udma_timings[mode].reg12); | |
167 | } else { | |
168 | set_indexed_reg(hwif, 0x0e + adj, | |
169 | mwdma_timings[mode].reg0e); | |
170 | set_indexed_reg(hwif, 0x0f + adj, | |
171 | mwdma_timings[mode].reg0f); | |
47694bb8 SS |
172 | } |
173 | } else if (speed == XFER_UDMA_2) { | |
174 | /* Set tHOLD bit to 0 if using UDMA mode 2 */ | |
175 | u8 tmp = get_indexed_reg(hwif, 0x10 + adj); | |
176 | ||
177 | set_indexed_reg(hwif, 0x10 + adj, tmp & 0x7f); | |
178 | } | |
1da177e4 LT |
179 | } |
180 | ||
26bcb879 | 181 | static void pdcnew_set_pio_mode(ide_drive_t *drive, const u8 pio) |
1da177e4 | 182 | { |
ad4ba7dc | 183 | ide_hwif_t *hwif = drive->hwif; |
36501650 | 184 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
ad4ba7dc BZ |
185 | u8 adj = (drive->dn & 1) ? 0x08 : 0x00; |
186 | ||
36501650 | 187 | if (max_dma_rate(dev) == 4) { |
ad4ba7dc BZ |
188 | set_indexed_reg(hwif, 0x0c + adj, pio_timings[pio].reg0c); |
189 | set_indexed_reg(hwif, 0x0d + adj, pio_timings[pio].reg0d); | |
190 | set_indexed_reg(hwif, 0x13 + adj, pio_timings[pio].reg13); | |
191 | } | |
1da177e4 LT |
192 | } |
193 | ||
bfa14b42 | 194 | static u8 __devinit pdcnew_cable_detect(ide_hwif_t *hwif) |
1da177e4 | 195 | { |
49521f97 BZ |
196 | if (get_indexed_reg(hwif, 0x0b) & 0x04) |
197 | return ATA_CBL_PATA40; | |
198 | else | |
199 | return ATA_CBL_PATA80; | |
1da177e4 | 200 | } |
47694bb8 | 201 | |
f01393e4 | 202 | static void pdcnew_quirkproc(ide_drive_t *drive) |
1da177e4 | 203 | { |
d24ec426 SS |
204 | const char **list, *model = drive->id->model; |
205 | ||
206 | for (list = pdc_quirk_drives; *list != NULL; list++) | |
f01393e4 BZ |
207 | if (strstr(model, *list) != NULL) { |
208 | drive->quirk_list = 2; | |
209 | return; | |
210 | } | |
211 | ||
212 | drive->quirk_list = 0; | |
1da177e4 LT |
213 | } |
214 | ||
47694bb8 | 215 | static void pdcnew_reset(ide_drive_t *drive) |
1da177e4 LT |
216 | { |
217 | /* | |
218 | * Deleted this because it is redundant from the caller. | |
219 | */ | |
47694bb8 | 220 | printk(KERN_WARNING "pdc202xx_new: %s channel reset.\n", |
1da177e4 LT |
221 | HWIF(drive)->channel ? "Secondary" : "Primary"); |
222 | } | |
223 | ||
47694bb8 SS |
224 | /** |
225 | * read_counter - Read the byte count registers | |
226 | * @dma_base: for the port address | |
227 | */ | |
228 | static long __devinit read_counter(u32 dma_base) | |
229 | { | |
230 | u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08; | |
231 | u8 cnt0, cnt1, cnt2, cnt3; | |
232 | long count = 0, last; | |
233 | int retry = 3; | |
234 | ||
235 | do { | |
236 | last = count; | |
237 | ||
238 | /* Read the current count */ | |
239 | outb(0x20, pri_dma_base + 0x01); | |
240 | cnt0 = inb(pri_dma_base + 0x03); | |
241 | outb(0x21, pri_dma_base + 0x01); | |
242 | cnt1 = inb(pri_dma_base + 0x03); | |
243 | outb(0x20, sec_dma_base + 0x01); | |
244 | cnt2 = inb(sec_dma_base + 0x03); | |
245 | outb(0x21, sec_dma_base + 0x01); | |
246 | cnt3 = inb(sec_dma_base + 0x03); | |
247 | ||
248 | count = (cnt3 << 23) | (cnt2 << 15) | (cnt1 << 8) | cnt0; | |
249 | ||
250 | /* | |
251 | * The 30-bit decrementing counter is read in 4 pieces. | |
252 | * Incorrect value may be read when the most significant bytes | |
253 | * are changing... | |
254 | */ | |
255 | } while (retry-- && (((last ^ count) & 0x3fff8000) || last < count)); | |
256 | ||
257 | DBG("cnt0[%02X] cnt1[%02X] cnt2[%02X] cnt3[%02X]\n", | |
258 | cnt0, cnt1, cnt2, cnt3); | |
259 | ||
260 | return count; | |
261 | } | |
262 | ||
263 | /** | |
264 | * detect_pll_input_clock - Detect the PLL input clock in Hz. | |
265 | * @dma_base: for the port address | |
266 | * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock. | |
267 | */ | |
268 | static long __devinit detect_pll_input_clock(unsigned long dma_base) | |
269 | { | |
8006bf56 | 270 | struct timeval start_time, end_time; |
47694bb8 | 271 | long start_count, end_count; |
8006bf56 | 272 | long pll_input, usec_elapsed; |
47694bb8 SS |
273 | u8 scr1; |
274 | ||
275 | start_count = read_counter(dma_base); | |
8006bf56 | 276 | do_gettimeofday(&start_time); |
47694bb8 SS |
277 | |
278 | /* Start the test mode */ | |
279 | outb(0x01, dma_base + 0x01); | |
280 | scr1 = inb(dma_base + 0x03); | |
281 | DBG("scr1[%02X]\n", scr1); | |
282 | outb(scr1 | 0x40, dma_base + 0x03); | |
283 | ||
284 | /* Let the counter run for 10 ms. */ | |
285 | mdelay(10); | |
286 | ||
287 | end_count = read_counter(dma_base); | |
8006bf56 | 288 | do_gettimeofday(&end_time); |
47694bb8 SS |
289 | |
290 | /* Stop the test mode */ | |
291 | outb(0x01, dma_base + 0x01); | |
292 | scr1 = inb(dma_base + 0x03); | |
293 | DBG("scr1[%02X]\n", scr1); | |
294 | outb(scr1 & ~0x40, dma_base + 0x03); | |
295 | ||
296 | /* | |
297 | * Calculate the input clock in Hz | |
298 | * (the clock counter is 30 bit wide and counts down) | |
299 | */ | |
8006bf56 AL |
300 | usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 + |
301 | (end_time.tv_usec - start_time.tv_usec); | |
56fe23d5 | 302 | pll_input = ((start_count - end_count) & 0x3fffffff) / 10 * |
8006bf56 | 303 | (10000000 / usec_elapsed); |
47694bb8 SS |
304 | |
305 | DBG("start[%ld] end[%ld]\n", start_count, end_count); | |
306 | ||
307 | return pll_input; | |
308 | } | |
309 | ||
1da177e4 LT |
310 | #ifdef CONFIG_PPC_PMAC |
311 | static void __devinit apple_kiwi_init(struct pci_dev *pdev) | |
312 | { | |
313 | struct device_node *np = pci_device_to_OF_node(pdev); | |
1da177e4 LT |
314 | u8 conf; |
315 | ||
55b61fec | 316 | if (np == NULL || !of_device_is_compatible(np, "kiwi-root")) |
1da177e4 LT |
317 | return; |
318 | ||
fc212bb1 | 319 | if (pdev->revision >= 0x03) { |
1da177e4 | 320 | /* Setup chip magic config stuff (from darwin) */ |
47694bb8 SS |
321 | pci_read_config_byte (pdev, 0x40, &conf); |
322 | pci_write_config_byte(pdev, 0x40, (conf | 0x01)); | |
1da177e4 | 323 | } |
1da177e4 LT |
324 | } |
325 | #endif /* CONFIG_PPC_PMAC */ | |
326 | ||
327 | static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const char *name) | |
328 | { | |
47694bb8 SS |
329 | unsigned long dma_base = pci_resource_start(dev, 4); |
330 | unsigned long sec_dma_base = dma_base + 0x08; | |
331 | long pll_input, pll_output, ratio; | |
332 | int f, r; | |
333 | u8 pll_ctl0, pll_ctl1; | |
334 | ||
01cc643a BZ |
335 | if (dma_base == 0) |
336 | return -EFAULT; | |
337 | ||
1da177e4 LT |
338 | #ifdef CONFIG_PPC_PMAC |
339 | apple_kiwi_init(dev); | |
340 | #endif | |
341 | ||
47694bb8 SS |
342 | /* Calculate the required PLL output frequency */ |
343 | switch(max_dma_rate(dev)) { | |
344 | case 4: /* it's 133 MHz for Ultra133 chips */ | |
345 | pll_output = 133333333; | |
346 | break; | |
347 | case 3: /* and 100 MHz for Ultra100 chips */ | |
348 | default: | |
349 | pll_output = 100000000; | |
350 | break; | |
351 | } | |
352 | ||
353 | /* | |
354 | * Detect PLL input clock. | |
355 | * On some systems, where PCI bus is running at non-standard clock rate | |
356 | * (e.g. 25 or 40 MHz), we have to adjust the cycle time. | |
357 | * PDC20268 and newer chips employ PLL circuit to help correct timing | |
358 | * registers setting. | |
359 | */ | |
360 | pll_input = detect_pll_input_clock(dma_base); | |
361 | printk("%s: PLL input clock is %ld kHz\n", name, pll_input / 1000); | |
362 | ||
363 | /* Sanity check */ | |
364 | if (unlikely(pll_input < 5000000L || pll_input > 70000000L)) { | |
365 | printk(KERN_ERR "%s: Bad PLL input clock %ld Hz, giving up!\n", | |
366 | name, pll_input); | |
367 | goto out; | |
368 | } | |
369 | ||
370 | #ifdef DEBUG | |
371 | DBG("pll_output is %ld Hz\n", pll_output); | |
372 | ||
373 | /* Show the current clock value of PLL control register | |
374 | * (maybe already configured by the BIOS) | |
375 | */ | |
376 | outb(0x02, sec_dma_base + 0x01); | |
377 | pll_ctl0 = inb(sec_dma_base + 0x03); | |
378 | outb(0x03, sec_dma_base + 0x01); | |
379 | pll_ctl1 = inb(sec_dma_base + 0x03); | |
380 | ||
381 | DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); | |
382 | #endif | |
383 | ||
384 | /* | |
385 | * Calculate the ratio of F, R and NO | |
386 | * POUT = (F + 2) / (( R + 2) * NO) | |
387 | */ | |
388 | ratio = pll_output / (pll_input / 1000); | |
389 | if (ratio < 8600L) { /* 8.6x */ | |
390 | /* Using NO = 0x01, R = 0x0d */ | |
391 | r = 0x0d; | |
392 | } else if (ratio < 12900L) { /* 12.9x */ | |
393 | /* Using NO = 0x01, R = 0x08 */ | |
394 | r = 0x08; | |
395 | } else if (ratio < 16100L) { /* 16.1x */ | |
396 | /* Using NO = 0x01, R = 0x06 */ | |
397 | r = 0x06; | |
398 | } else if (ratio < 64000L) { /* 64x */ | |
399 | r = 0x00; | |
400 | } else { | |
401 | /* Invalid ratio */ | |
402 | printk(KERN_ERR "%s: Bad ratio %ld, giving up!\n", name, ratio); | |
403 | goto out; | |
404 | } | |
405 | ||
406 | f = (ratio * (r + 2)) / 1000 - 2; | |
407 | ||
408 | DBG("F[%d] R[%d] ratio*1000[%ld]\n", f, r, ratio); | |
409 | ||
410 | if (unlikely(f < 0 || f > 127)) { | |
411 | /* Invalid F */ | |
412 | printk(KERN_ERR "%s: F[%d] invalid!\n", name, f); | |
413 | goto out; | |
414 | } | |
415 | ||
416 | pll_ctl0 = (u8) f; | |
417 | pll_ctl1 = (u8) r; | |
418 | ||
419 | DBG("Writing pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); | |
420 | ||
421 | outb(0x02, sec_dma_base + 0x01); | |
422 | outb(pll_ctl0, sec_dma_base + 0x03); | |
423 | outb(0x03, sec_dma_base + 0x01); | |
424 | outb(pll_ctl1, sec_dma_base + 0x03); | |
425 | ||
426 | /* Wait the PLL circuit to be stable */ | |
427 | mdelay(30); | |
428 | ||
429 | #ifdef DEBUG | |
430 | /* | |
431 | * Show the current clock value of PLL control register | |
432 | */ | |
433 | outb(0x02, sec_dma_base + 0x01); | |
434 | pll_ctl0 = inb(sec_dma_base + 0x03); | |
435 | outb(0x03, sec_dma_base + 0x01); | |
436 | pll_ctl1 = inb(sec_dma_base + 0x03); | |
437 | ||
438 | DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); | |
439 | #endif | |
440 | ||
441 | out: | |
1da177e4 LT |
442 | return dev->irq; |
443 | } | |
444 | ||
445 | static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif) | |
446 | { | |
26bcb879 | 447 | hwif->set_pio_mode = &pdcnew_set_pio_mode; |
ad4ba7dc | 448 | hwif->set_dma_mode = &pdcnew_set_dma_mode; |
26bcb879 | 449 | |
1da177e4 | 450 | hwif->quirkproc = &pdcnew_quirkproc; |
47694bb8 | 451 | hwif->resetproc = &pdcnew_reset; |
1da177e4 | 452 | |
bfa14b42 | 453 | hwif->cable_detect = pdcnew_cable_detect; |
1da177e4 LT |
454 | } |
455 | ||
099b1f42 | 456 | static struct pci_dev * __devinit pdc20270_get_dev2(struct pci_dev *dev) |
1da177e4 | 457 | { |
099b1f42 BZ |
458 | struct pci_dev *dev2; |
459 | ||
eadb6ecf | 460 | dev2 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn) + 1, |
099b1f42 | 461 | PCI_FUNC(dev->devfn))); |
eadb6ecf | 462 | |
099b1f42 BZ |
463 | if (dev2 && |
464 | dev2->vendor == dev->vendor && | |
465 | dev2->device == dev->device) { | |
466 | ||
467 | if (dev2->irq != dev->irq) { | |
468 | dev2->irq = dev->irq; | |
469 | printk(KERN_INFO "PDC20270: PCI config space " | |
470 | "interrupt fixed\n"); | |
1da177e4 | 471 | } |
07047935 | 472 | |
099b1f42 | 473 | return dev2; |
1da177e4 | 474 | } |
099b1f42 BZ |
475 | |
476 | return NULL; | |
1da177e4 LT |
477 | } |
478 | ||
05d7e6cb BZ |
479 | #define DECLARE_PDCNEW_DEV(name_str, udma) \ |
480 | { \ | |
481 | .name = name_str, \ | |
482 | .init_chipset = init_chipset_pdcnew, \ | |
483 | .init_hwif = init_hwif_pdc202new, \ | |
484 | .host_flags = IDE_HFLAG_POST_SET_MODE | \ | |
ed67b923 | 485 | IDE_HFLAG_ERROR_STOPS_FIFO | \ |
05d7e6cb BZ |
486 | IDE_HFLAG_OFF_BOARD, \ |
487 | .pio_mask = ATA_PIO4, \ | |
488 | .mwdma_mask = ATA_MWDMA2, \ | |
489 | .udma_mask = udma, \ | |
1da177e4 | 490 | } |
05d7e6cb | 491 | |
85620436 | 492 | static const struct ide_port_info pdcnew_chipsets[] __devinitdata = { |
05d7e6cb BZ |
493 | /* 0 */ DECLARE_PDCNEW_DEV("PDC20268", ATA_UDMA5), |
494 | /* 1 */ DECLARE_PDCNEW_DEV("PDC20269", ATA_UDMA6), | |
495 | /* 2 */ DECLARE_PDCNEW_DEV("PDC20270", ATA_UDMA5), | |
496 | /* 3 */ DECLARE_PDCNEW_DEV("PDC20271", ATA_UDMA6), | |
497 | /* 4 */ DECLARE_PDCNEW_DEV("PDC20275", ATA_UDMA6), | |
498 | /* 5 */ DECLARE_PDCNEW_DEV("PDC20276", ATA_UDMA6), | |
499 | /* 6 */ DECLARE_PDCNEW_DEV("PDC20277", ATA_UDMA6), | |
1da177e4 LT |
500 | }; |
501 | ||
502 | /** | |
503 | * pdc202new_init_one - called when a pdc202xx is found | |
504 | * @dev: the pdc202new device | |
505 | * @id: the matching pci id | |
506 | * | |
507 | * Called when the PCI registration layer (or the IDE initialization) | |
508 | * finds a device matching our IDE device tables. | |
509 | */ | |
510 | ||
511 | static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
512 | { | |
85620436 | 513 | const struct ide_port_info *d; |
099b1f42 BZ |
514 | struct pci_dev *bridge = dev->bus->self; |
515 | u8 idx = id->driver_data; | |
516 | ||
517 | d = &pdcnew_chipsets[idx]; | |
518 | ||
519 | if (idx == 2 && bridge && | |
520 | bridge->vendor == PCI_VENDOR_ID_DEC && | |
521 | bridge->device == PCI_DEVICE_ID_DEC_21150) { | |
522 | struct pci_dev *dev2; | |
523 | ||
524 | if (PCI_SLOT(dev->devfn) & 2) | |
525 | return -ENODEV; | |
1da177e4 | 526 | |
099b1f42 BZ |
527 | dev2 = pdc20270_get_dev2(dev); |
528 | ||
529 | if (dev2) { | |
530 | int ret = ide_setup_pci_devices(dev, dev2, d); | |
531 | if (ret < 0) | |
532 | pci_dev_put(dev2); | |
533 | return ret; | |
534 | } | |
535 | } | |
536 | ||
537 | if (idx == 5 && bridge && | |
538 | bridge->vendor == PCI_VENDOR_ID_INTEL && | |
539 | (bridge->device == PCI_DEVICE_ID_INTEL_I960 || | |
540 | bridge->device == PCI_DEVICE_ID_INTEL_I960RM)) { | |
541 | printk(KERN_INFO "PDC20276: attached to I2O RAID controller, " | |
542 | "skipping\n"); | |
543 | return -ENODEV; | |
544 | } | |
545 | ||
546 | return ide_setup_pci_device(dev, d); | |
1da177e4 LT |
547 | } |
548 | ||
9cbcc5e3 BZ |
549 | static const struct pci_device_id pdc202new_pci_tbl[] = { |
550 | { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20268), 0 }, | |
551 | { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20269), 1 }, | |
552 | { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20270), 2 }, | |
553 | { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20271), 3 }, | |
554 | { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20275), 4 }, | |
555 | { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20276), 5 }, | |
556 | { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20277), 6 }, | |
1da177e4 LT |
557 | { 0, }, |
558 | }; | |
559 | MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl); | |
560 | ||
561 | static struct pci_driver driver = { | |
562 | .name = "Promise_IDE", | |
563 | .id_table = pdc202new_pci_tbl, | |
564 | .probe = pdc202new_init_one, | |
565 | }; | |
566 | ||
82ab1eec | 567 | static int __init pdc202new_ide_init(void) |
1da177e4 LT |
568 | { |
569 | return ide_pci_register_driver(&driver); | |
570 | } | |
571 | ||
572 | module_init(pdc202new_ide_init); | |
573 | ||
574 | MODULE_AUTHOR("Andre Hedrick, Frank Tiernan"); | |
575 | MODULE_DESCRIPTION("PCI driver module for Promise PDC20268 and higher"); | |
576 | MODULE_LICENSE("GPL"); |