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Commit | Line | Data |
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1da177e4 | 1 | /* |
90778574 | 2 | * linux/drivers/ide/pci/hpt366.c Version 0.44 May 20, 2006 |
1da177e4 LT |
3 | * |
4 | * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> | |
5 | * Portions Copyright (C) 2001 Sun Microsystems, Inc. | |
6 | * Portions Copyright (C) 2003 Red Hat Inc | |
836c0063 | 7 | * Portions Copyright (C) 2005-2006 MontaVista Software, Inc. |
1da177e4 LT |
8 | * |
9 | * Thanks to HighPoint Technologies for their assistance, and hardware. | |
10 | * Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his | |
11 | * donation of an ABit BP6 mainboard, processor, and memory acellerated | |
12 | * development and support. | |
13 | * | |
b39b01ff | 14 | * |
836c0063 SS |
15 | * HighPoint has its own drivers (open source except for the RAID part) |
16 | * available from http://www.highpoint-tech.com/BIOS%20+%20Driver/. | |
17 | * This may be useful to anyone wanting to work on this driver, however do not | |
18 | * trust them too much since the code tends to become less and less meaningful | |
19 | * as the time passes... :-/ | |
b39b01ff | 20 | * |
1da177e4 LT |
21 | * Note that final HPT370 support was done by force extraction of GPL. |
22 | * | |
23 | * - add function for getting/setting power status of drive | |
24 | * - the HPT370's state machine can get confused. reset it before each dma | |
25 | * xfer to prevent that from happening. | |
26 | * - reset state engine whenever we get an error. | |
27 | * - check for busmaster state at end of dma. | |
28 | * - use new highpoint timings. | |
29 | * - detect bus speed using highpoint register. | |
30 | * - use pll if we don't have a clock table. added a 66MHz table that's | |
31 | * just 2x the 33MHz table. | |
32 | * - removed turnaround. NOTE: we never want to switch between pll and | |
33 | * pci clocks as the chip can glitch in those cases. the highpoint | |
34 | * approved workaround slows everything down too much to be useful. in | |
35 | * addition, we would have to serialize access to each chip. | |
36 | * Adrian Sun <a.sun@sun.com> | |
37 | * | |
38 | * add drive timings for 66MHz PCI bus, | |
39 | * fix ATA Cable signal detection, fix incorrect /proc info | |
40 | * add /proc display for per-drive PIO/DMA/UDMA mode and | |
41 | * per-channel ATA-33/66 Cable detect. | |
42 | * Duncan Laurie <void@sun.com> | |
43 | * | |
44 | * fixup /proc output for multiple controllers | |
45 | * Tim Hockin <thockin@sun.com> | |
46 | * | |
47 | * On hpt366: | |
48 | * Reset the hpt366 on error, reset on dma | |
49 | * Fix disabling Fast Interrupt hpt366. | |
50 | * Mike Waychison <crlf@sun.com> | |
51 | * | |
52 | * Added support for 372N clocking and clock switching. The 372N needs | |
53 | * different clocks on read/write. This requires overloading rw_disk and | |
54 | * other deeply crazy things. Thanks to <http://www.hoerstreich.de> for | |
55 | * keeping me sane. | |
56 | * Alan Cox <alan@redhat.com> | |
57 | * | |
836c0063 SS |
58 | * - fix the clock turnaround code: it was writing to the wrong ports when |
59 | * called for the secondary channel, caching the current clock mode per- | |
60 | * channel caused the cached register value to get out of sync with the | |
61 | * actual one, the channels weren't serialized, the turnaround shouldn't | |
62 | * be done on 66 MHz PCI bus | |
63 | * - avoid calibrating PLL twice as the second time results in a wrong PCI | |
64 | * frequency and thus in the wrong timings for the secondary channel | |
e139b0b0 SS |
65 | * - disable UltraATA/133 for HPT372 and UltraATA/100 for HPT370 by default |
66 | * as the ATA clock being used does not allow for this speed anyway | |
836c0063 SS |
67 | * - add support for HPT302N and HPT371N clocking (the same as for HPT372N) |
68 | * - HPT371/N are single channel chips, so avoid touching the primary channel | |
69 | * which exists only virtually (there's no pins for it) | |
471a0bda SS |
70 | * - fix/remove bad/unused timing tables and use one set of tables for the whole |
71 | * HPT37x chip family; save space by introducing the separate transfer mode | |
72 | * table in which the mode lookup is done | |
26c068da SS |
73 | * - use f_CNT value saved by the HighPoint BIOS as reading it directly gives |
74 | * the wrong PCI frequency since DPLL has already been calibrated by BIOS | |
33b18a60 SS |
75 | * - fix the hotswap code: it caused RESET- to glitch when tristating the bus, |
76 | * and for HPT36x the obsolete HDIO_TRISTATE_HWIF handler was called instead | |
73d1dd93 SS |
77 | * - pass to init_chipset() handlers a copy of the IDE PCI device structure as |
78 | * they tamper with its fields | |
90778574 SS |
79 | * - prefix the driver startup messages with the real chip name |
80 | * - claim the extra 240 bytes of I/O space for all chips | |
e139b0b0 | 81 | * - optimize the rate masking/filtering and the drive list lookup code |
836c0063 SS |
82 | * <source@mvista.com> |
83 | * | |
1da177e4 LT |
84 | */ |
85 | ||
86 | ||
1da177e4 LT |
87 | #include <linux/types.h> |
88 | #include <linux/module.h> | |
89 | #include <linux/kernel.h> | |
90 | #include <linux/delay.h> | |
91 | #include <linux/timer.h> | |
92 | #include <linux/mm.h> | |
93 | #include <linux/ioport.h> | |
94 | #include <linux/blkdev.h> | |
95 | #include <linux/hdreg.h> | |
96 | ||
97 | #include <linux/interrupt.h> | |
98 | #include <linux/pci.h> | |
99 | #include <linux/init.h> | |
100 | #include <linux/ide.h> | |
101 | ||
102 | #include <asm/uaccess.h> | |
103 | #include <asm/io.h> | |
104 | #include <asm/irq.h> | |
105 | ||
106 | /* various tuning parameters */ | |
107 | #define HPT_RESET_STATE_ENGINE | |
836c0063 SS |
108 | #undef HPT_DELAY_INTERRUPT |
109 | #define HPT_SERIALIZE_IO 0 | |
1da177e4 LT |
110 | |
111 | static const char *quirk_drives[] = { | |
112 | "QUANTUM FIREBALLlct08 08", | |
113 | "QUANTUM FIREBALLP KA6.4", | |
114 | "QUANTUM FIREBALLP LM20.4", | |
115 | "QUANTUM FIREBALLP LM20.5", | |
116 | NULL | |
117 | }; | |
118 | ||
119 | static const char *bad_ata100_5[] = { | |
120 | "IBM-DTLA-307075", | |
121 | "IBM-DTLA-307060", | |
122 | "IBM-DTLA-307045", | |
123 | "IBM-DTLA-307030", | |
124 | "IBM-DTLA-307020", | |
125 | "IBM-DTLA-307015", | |
126 | "IBM-DTLA-305040", | |
127 | "IBM-DTLA-305030", | |
128 | "IBM-DTLA-305020", | |
129 | "IC35L010AVER07-0", | |
130 | "IC35L020AVER07-0", | |
131 | "IC35L030AVER07-0", | |
132 | "IC35L040AVER07-0", | |
133 | "IC35L060AVER07-0", | |
134 | "WDC AC310200R", | |
135 | NULL | |
136 | }; | |
137 | ||
138 | static const char *bad_ata66_4[] = { | |
139 | "IBM-DTLA-307075", | |
140 | "IBM-DTLA-307060", | |
141 | "IBM-DTLA-307045", | |
142 | "IBM-DTLA-307030", | |
143 | "IBM-DTLA-307020", | |
144 | "IBM-DTLA-307015", | |
145 | "IBM-DTLA-305040", | |
146 | "IBM-DTLA-305030", | |
147 | "IBM-DTLA-305020", | |
148 | "IC35L010AVER07-0", | |
149 | "IC35L020AVER07-0", | |
150 | "IC35L030AVER07-0", | |
151 | "IC35L040AVER07-0", | |
152 | "IC35L060AVER07-0", | |
153 | "WDC AC310200R", | |
154 | NULL | |
155 | }; | |
156 | ||
157 | static const char *bad_ata66_3[] = { | |
158 | "WDC AC310200R", | |
159 | NULL | |
160 | }; | |
161 | ||
162 | static const char *bad_ata33[] = { | |
163 | "Maxtor 92720U8", "Maxtor 92040U6", "Maxtor 91360U4", "Maxtor 91020U3", "Maxtor 90845U3", "Maxtor 90650U2", | |
164 | "Maxtor 91360D8", "Maxtor 91190D7", "Maxtor 91020D6", "Maxtor 90845D5", "Maxtor 90680D4", "Maxtor 90510D3", "Maxtor 90340D2", | |
165 | "Maxtor 91152D8", "Maxtor 91008D7", "Maxtor 90845D6", "Maxtor 90840D6", "Maxtor 90720D5", "Maxtor 90648D5", "Maxtor 90576D4", | |
166 | "Maxtor 90510D4", | |
167 | "Maxtor 90432D3", "Maxtor 90288D2", "Maxtor 90256D2", | |
168 | "Maxtor 91000D8", "Maxtor 90910D8", "Maxtor 90875D7", "Maxtor 90840D7", "Maxtor 90750D6", "Maxtor 90625D5", "Maxtor 90500D4", | |
169 | "Maxtor 91728D8", "Maxtor 91512D7", "Maxtor 91303D6", "Maxtor 91080D5", "Maxtor 90845D4", "Maxtor 90680D4", "Maxtor 90648D3", "Maxtor 90432D2", | |
170 | NULL | |
171 | }; | |
172 | ||
471a0bda SS |
173 | static u8 xfer_speeds[] = { |
174 | XFER_UDMA_6, | |
175 | XFER_UDMA_5, | |
176 | XFER_UDMA_4, | |
177 | XFER_UDMA_3, | |
178 | XFER_UDMA_2, | |
179 | XFER_UDMA_1, | |
180 | XFER_UDMA_0, | |
181 | ||
182 | XFER_MW_DMA_2, | |
183 | XFER_MW_DMA_1, | |
184 | XFER_MW_DMA_0, | |
185 | ||
186 | XFER_PIO_4, | |
187 | XFER_PIO_3, | |
188 | XFER_PIO_2, | |
189 | XFER_PIO_1, | |
190 | XFER_PIO_0 | |
1da177e4 LT |
191 | }; |
192 | ||
471a0bda SS |
193 | /* Key for bus clock timings |
194 | * 36x 37x | |
195 | * bits bits | |
196 | * 0:3 0:3 data_high_time. Inactive time of DIOW_/DIOR_ for PIO and MW DMA. | |
197 | * cycles = value + 1 | |
198 | * 4:7 4:8 data_low_time. Active time of DIOW_/DIOR_ for PIO and MW DMA. | |
199 | * cycles = value + 1 | |
200 | * 8:11 9:12 cmd_high_time. Inactive time of DIOW_/DIOR_ during task file | |
201 | * register access. | |
202 | * 12:15 13:17 cmd_low_time. Active time of DIOW_/DIOR_ during task file | |
203 | * register access. | |
204 | * 16:18 18:20 udma_cycle_time. Clock cycles for UDMA xfer. | |
205 | * - 21 CLK frequency: 0=ATA clock, 1=dual ATA clock. | |
206 | * 19:21 22:24 pre_high_time. Time to initialize the 1st cycle for PIO and | |
207 | * MW DMA xfer. | |
208 | * 22:24 25:27 cmd_pre_high_time. Time to initialize the 1st PIO cycle for | |
209 | * task file register access. | |
210 | * 28 28 UDMA enable. | |
211 | * 29 29 DMA enable. | |
212 | * 30 30 PIO MST enable. If set, the chip is in bus master mode during | |
213 | * PIO xfer. | |
214 | * 31 31 FIFO enable. | |
1da177e4 | 215 | */ |
1da177e4 | 216 | |
471a0bda SS |
217 | static u32 forty_base_hpt36x[] = { |
218 | /* XFER_UDMA_6 */ 0x900fd943, | |
219 | /* XFER_UDMA_5 */ 0x900fd943, | |
220 | /* XFER_UDMA_4 */ 0x900fd943, | |
221 | /* XFER_UDMA_3 */ 0x900ad943, | |
222 | /* XFER_UDMA_2 */ 0x900bd943, | |
223 | /* XFER_UDMA_1 */ 0x9008d943, | |
224 | /* XFER_UDMA_0 */ 0x9008d943, | |
225 | ||
226 | /* XFER_MW_DMA_2 */ 0xa008d943, | |
227 | /* XFER_MW_DMA_1 */ 0xa010d955, | |
228 | /* XFER_MW_DMA_0 */ 0xa010d9fc, | |
229 | ||
230 | /* XFER_PIO_4 */ 0xc008d963, | |
231 | /* XFER_PIO_3 */ 0xc010d974, | |
232 | /* XFER_PIO_2 */ 0xc010d997, | |
233 | /* XFER_PIO_1 */ 0xc010d9c7, | |
234 | /* XFER_PIO_0 */ 0xc018d9d9 | |
1da177e4 LT |
235 | }; |
236 | ||
471a0bda SS |
237 | static u32 thirty_three_base_hpt36x[] = { |
238 | /* XFER_UDMA_6 */ 0x90c9a731, | |
239 | /* XFER_UDMA_5 */ 0x90c9a731, | |
240 | /* XFER_UDMA_4 */ 0x90c9a731, | |
241 | /* XFER_UDMA_3 */ 0x90cfa731, | |
242 | /* XFER_UDMA_2 */ 0x90caa731, | |
243 | /* XFER_UDMA_1 */ 0x90cba731, | |
244 | /* XFER_UDMA_0 */ 0x90c8a731, | |
245 | ||
246 | /* XFER_MW_DMA_2 */ 0xa0c8a731, | |
247 | /* XFER_MW_DMA_1 */ 0xa0c8a732, /* 0xa0c8a733 */ | |
248 | /* XFER_MW_DMA_0 */ 0xa0c8a797, | |
249 | ||
250 | /* XFER_PIO_4 */ 0xc0c8a731, | |
251 | /* XFER_PIO_3 */ 0xc0c8a742, | |
252 | /* XFER_PIO_2 */ 0xc0d0a753, | |
253 | /* XFER_PIO_1 */ 0xc0d0a7a3, /* 0xc0d0a793 */ | |
254 | /* XFER_PIO_0 */ 0xc0d0a7aa /* 0xc0d0a7a7 */ | |
1da177e4 LT |
255 | }; |
256 | ||
471a0bda SS |
257 | static u32 twenty_five_base_hpt36x[] = { |
258 | /* XFER_UDMA_6 */ 0x90c98521, | |
259 | /* XFER_UDMA_5 */ 0x90c98521, | |
260 | /* XFER_UDMA_4 */ 0x90c98521, | |
261 | /* XFER_UDMA_3 */ 0x90cf8521, | |
262 | /* XFER_UDMA_2 */ 0x90cf8521, | |
263 | /* XFER_UDMA_1 */ 0x90cb8521, | |
264 | /* XFER_UDMA_0 */ 0x90cb8521, | |
265 | ||
266 | /* XFER_MW_DMA_2 */ 0xa0ca8521, | |
267 | /* XFER_MW_DMA_1 */ 0xa0ca8532, | |
268 | /* XFER_MW_DMA_0 */ 0xa0ca8575, | |
269 | ||
270 | /* XFER_PIO_4 */ 0xc0ca8521, | |
271 | /* XFER_PIO_3 */ 0xc0ca8532, | |
272 | /* XFER_PIO_2 */ 0xc0ca8542, | |
273 | /* XFER_PIO_1 */ 0xc0d08572, | |
274 | /* XFER_PIO_0 */ 0xc0d08585 | |
1da177e4 LT |
275 | }; |
276 | ||
471a0bda SS |
277 | static u32 thirty_three_base_hpt37x[] = { |
278 | /* XFER_UDMA_6 */ 0x12446231, /* 0x12646231 ?? */ | |
279 | /* XFER_UDMA_5 */ 0x12446231, | |
280 | /* XFER_UDMA_4 */ 0x12446231, | |
281 | /* XFER_UDMA_3 */ 0x126c6231, | |
282 | /* XFER_UDMA_2 */ 0x12486231, | |
283 | /* XFER_UDMA_1 */ 0x124c6233, | |
284 | /* XFER_UDMA_0 */ 0x12506297, | |
285 | ||
286 | /* XFER_MW_DMA_2 */ 0x22406c31, | |
287 | /* XFER_MW_DMA_1 */ 0x22406c33, | |
288 | /* XFER_MW_DMA_0 */ 0x22406c97, | |
289 | ||
290 | /* XFER_PIO_4 */ 0x06414e31, | |
291 | /* XFER_PIO_3 */ 0x06414e42, | |
292 | /* XFER_PIO_2 */ 0x06414e53, | |
293 | /* XFER_PIO_1 */ 0x06814e93, | |
294 | /* XFER_PIO_0 */ 0x06814ea7 | |
1da177e4 LT |
295 | }; |
296 | ||
471a0bda SS |
297 | static u32 fifty_base_hpt37x[] = { |
298 | /* XFER_UDMA_6 */ 0x12848242, | |
299 | /* XFER_UDMA_5 */ 0x12848242, | |
300 | /* XFER_UDMA_4 */ 0x12ac8242, | |
301 | /* XFER_UDMA_3 */ 0x128c8242, | |
302 | /* XFER_UDMA_2 */ 0x120c8242, | |
303 | /* XFER_UDMA_1 */ 0x12148254, | |
304 | /* XFER_UDMA_0 */ 0x121882ea, | |
305 | ||
306 | /* XFER_MW_DMA_2 */ 0x22808242, | |
307 | /* XFER_MW_DMA_1 */ 0x22808254, | |
308 | /* XFER_MW_DMA_0 */ 0x228082ea, | |
309 | ||
310 | /* XFER_PIO_4 */ 0x0a81f442, | |
311 | /* XFER_PIO_3 */ 0x0a81f443, | |
312 | /* XFER_PIO_2 */ 0x0a81f454, | |
313 | /* XFER_PIO_1 */ 0x0ac1f465, | |
314 | /* XFER_PIO_0 */ 0x0ac1f48a | |
1da177e4 LT |
315 | }; |
316 | ||
471a0bda SS |
317 | static u32 sixty_six_base_hpt37x[] = { |
318 | /* XFER_UDMA_6 */ 0x1c869c62, | |
319 | /* XFER_UDMA_5 */ 0x1cae9c62, /* 0x1c8a9c62 */ | |
320 | /* XFER_UDMA_4 */ 0x1c8a9c62, | |
321 | /* XFER_UDMA_3 */ 0x1c8e9c62, | |
322 | /* XFER_UDMA_2 */ 0x1c929c62, | |
323 | /* XFER_UDMA_1 */ 0x1c9a9c62, | |
324 | /* XFER_UDMA_0 */ 0x1c829c62, | |
325 | ||
326 | /* XFER_MW_DMA_2 */ 0x2c829c62, | |
327 | /* XFER_MW_DMA_1 */ 0x2c829c66, | |
328 | /* XFER_MW_DMA_0 */ 0x2c829d2e, | |
329 | ||
330 | /* XFER_PIO_4 */ 0x0c829c62, | |
331 | /* XFER_PIO_3 */ 0x0c829c84, | |
332 | /* XFER_PIO_2 */ 0x0c829ca6, | |
333 | /* XFER_PIO_1 */ 0x0d029d26, | |
334 | /* XFER_PIO_0 */ 0x0d029d5e | |
1da177e4 LT |
335 | }; |
336 | ||
1da177e4 LT |
337 | #define HPT366_DEBUG_DRIVE_INFO 0 |
338 | #define HPT374_ALLOW_ATA133_6 0 | |
339 | #define HPT371_ALLOW_ATA133_6 0 | |
340 | #define HPT302_ALLOW_ATA133_6 0 | |
836c0063 | 341 | #define HPT372_ALLOW_ATA133_6 0 |
e139b0b0 | 342 | #define HPT370_ALLOW_ATA100_5 0 |
1da177e4 LT |
343 | #define HPT366_ALLOW_ATA66_4 1 |
344 | #define HPT366_ALLOW_ATA66_3 1 | |
345 | #define HPT366_MAX_DEVS 8 | |
346 | ||
347 | #define F_LOW_PCI_33 0x23 | |
348 | #define F_LOW_PCI_40 0x29 | |
349 | #define F_LOW_PCI_50 0x2d | |
350 | #define F_LOW_PCI_66 0x42 | |
351 | ||
b39b01ff AC |
352 | /* |
353 | * Hold all the highpoint quirks and revision information in one | |
354 | * place. | |
355 | */ | |
1da177e4 | 356 | |
b39b01ff AC |
357 | struct hpt_info |
358 | { | |
359 | u8 max_mode; /* Speeds allowed */ | |
e139b0b0 SS |
360 | u8 revision; /* Chipset revision */ |
361 | u8 flags; /* Chipset properties */ | |
b39b01ff | 362 | #define PLL_MODE 1 |
836c0063 SS |
363 | #define IS_3xxN 2 |
364 | #define PCI_66MHZ 4 | |
b39b01ff | 365 | /* Speed table */ |
471a0bda | 366 | u32 *speed; |
b39b01ff AC |
367 | }; |
368 | ||
369 | /* | |
e139b0b0 | 370 | * This wants fixing so that we do everything not by revision |
b39b01ff AC |
371 | * (which breaks on the newest chips) but by creating an |
372 | * enumeration of chip variants and using that | |
373 | */ | |
374 | ||
e139b0b0 | 375 | static __devinit u8 hpt_revision(struct pci_dev *dev) |
1da177e4 | 376 | { |
e139b0b0 SS |
377 | u8 rev = 0; |
378 | ||
379 | pci_read_config_byte(dev, PCI_REVISION_ID, &rev); | |
1da177e4 LT |
380 | |
381 | switch(dev->device) { | |
382 | /* Remap new 372N onto 372 */ | |
383 | case PCI_DEVICE_ID_TTI_HPT372N: | |
f36702b4 AM |
384 | rev = PCI_DEVICE_ID_TTI_HPT372; |
385 | break; | |
1da177e4 | 386 | case PCI_DEVICE_ID_TTI_HPT374: |
f36702b4 AM |
387 | rev = PCI_DEVICE_ID_TTI_HPT374; |
388 | break; | |
1da177e4 | 389 | case PCI_DEVICE_ID_TTI_HPT371: |
f36702b4 AM |
390 | rev = PCI_DEVICE_ID_TTI_HPT371; |
391 | break; | |
1da177e4 | 392 | case PCI_DEVICE_ID_TTI_HPT302: |
f36702b4 AM |
393 | rev = PCI_DEVICE_ID_TTI_HPT302; |
394 | break; | |
1da177e4 | 395 | case PCI_DEVICE_ID_TTI_HPT372: |
f36702b4 AM |
396 | rev = PCI_DEVICE_ID_TTI_HPT372; |
397 | break; | |
1da177e4 LT |
398 | default: |
399 | break; | |
400 | } | |
e139b0b0 | 401 | return rev; |
1da177e4 LT |
402 | } |
403 | ||
e139b0b0 SS |
404 | static int check_in_drive_list(ide_drive_t *drive, const char **list) |
405 | { | |
406 | struct hd_driveid *id = drive->id; | |
407 | ||
408 | while (*list) | |
409 | if (!strcmp(*list++,id->model)) | |
410 | return 1; | |
411 | return 0; | |
412 | } | |
1da177e4 | 413 | |
e139b0b0 | 414 | static u8 hpt3xx_ratemask(ide_drive_t *drive) |
1da177e4 | 415 | { |
e139b0b0 SS |
416 | struct hpt_info *info = ide_get_hwifdata(HWIF(drive)); |
417 | u8 mode = info->max_mode; | |
418 | ||
b39b01ff | 419 | if (!eighty_ninty_three(drive) && mode) |
1da177e4 LT |
420 | mode = min(mode, (u8)1); |
421 | return mode; | |
422 | } | |
423 | ||
424 | /* | |
425 | * Note for the future; the SATA hpt37x we must set | |
426 | * either PIO or UDMA modes 0,4,5 | |
427 | */ | |
428 | ||
e139b0b0 | 429 | static u8 hpt3xx_ratefilter(ide_drive_t *drive, u8 speed) |
1da177e4 | 430 | { |
e139b0b0 | 431 | struct hpt_info *info = ide_get_hwifdata(HWIF(drive)); |
1da177e4 LT |
432 | u8 mode = hpt3xx_ratemask(drive); |
433 | ||
434 | if (drive->media != ide_disk) | |
435 | return min(speed, (u8)XFER_PIO_4); | |
436 | ||
e139b0b0 | 437 | switch (mode) { |
1da177e4 LT |
438 | case 0x04: |
439 | speed = min(speed, (u8)XFER_UDMA_6); | |
440 | break; | |
441 | case 0x03: | |
442 | speed = min(speed, (u8)XFER_UDMA_5); | |
b39b01ff | 443 | if (info->revision >= 5) |
1da177e4 | 444 | break; |
e139b0b0 SS |
445 | if (!check_in_drive_list(drive, bad_ata100_5)) |
446 | goto check_bad_ata33; | |
447 | /* fall thru */ | |
1da177e4 | 448 | case 0x02: |
f36702b4 | 449 | speed = min_t(u8, speed, XFER_UDMA_4); |
1da177e4 LT |
450 | /* |
451 | * CHECK ME, Does this need to be set to 5 ?? | |
452 | */ | |
b39b01ff | 453 | if (info->revision >= 3) |
e139b0b0 SS |
454 | goto check_bad_ata33; |
455 | if (HPT366_ALLOW_ATA66_4 && | |
456 | !check_in_drive_list(drive, bad_ata66_4)) | |
457 | goto check_bad_ata33; | |
458 | ||
f36702b4 | 459 | speed = min_t(u8, speed, XFER_UDMA_3); |
e139b0b0 SS |
460 | if (HPT366_ALLOW_ATA66_3 && |
461 | !check_in_drive_list(drive, bad_ata66_3)) | |
462 | goto check_bad_ata33; | |
463 | /* fall thru */ | |
1da177e4 | 464 | case 0x01: |
f36702b4 | 465 | speed = min_t(u8, speed, XFER_UDMA_2); |
e139b0b0 SS |
466 | |
467 | check_bad_ata33: | |
468 | if (info->revision >= 4) | |
1da177e4 | 469 | break; |
e139b0b0 SS |
470 | if (!check_in_drive_list(drive, bad_ata33)) |
471 | break; | |
472 | /* fall thru */ | |
1da177e4 LT |
473 | case 0x00: |
474 | default: | |
f36702b4 | 475 | speed = min_t(u8, speed, XFER_MW_DMA_2); |
1da177e4 LT |
476 | break; |
477 | } | |
478 | return speed; | |
479 | } | |
480 | ||
471a0bda | 481 | static u32 pci_bus_clock_list(u8 speed, u32 *chipset_table) |
1da177e4 | 482 | { |
471a0bda SS |
483 | int i; |
484 | ||
485 | /* | |
486 | * Lookup the transfer mode table to get the index into | |
487 | * the timing table. | |
488 | * | |
489 | * NOTE: For XFER_PIO_SLOW, PIO mode 0 timings will be used. | |
490 | */ | |
491 | for (i = 0; i < ARRAY_SIZE(xfer_speeds) - 1; i++) | |
492 | if (xfer_speeds[i] == speed) | |
493 | break; | |
494 | return chipset_table[i]; | |
1da177e4 LT |
495 | } |
496 | ||
497 | static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed) | |
498 | { | |
b39b01ff AC |
499 | ide_hwif_t *hwif = drive->hwif; |
500 | struct pci_dev *dev = hwif->pci_dev; | |
501 | struct hpt_info *info = ide_get_hwifdata(hwif); | |
1da177e4 | 502 | u8 speed = hpt3xx_ratefilter(drive, xferspeed); |
1da177e4 | 503 | u8 regtime = (drive->select.b.unit & 0x01) ? 0x44 : 0x40; |
b39b01ff | 504 | u8 regfast = (hwif->channel) ? 0x55 : 0x51; |
1da177e4 LT |
505 | u8 drive_fast = 0; |
506 | u32 reg1 = 0, reg2 = 0; | |
507 | ||
508 | /* | |
509 | * Disable the "fast interrupt" prediction. | |
510 | */ | |
511 | pci_read_config_byte(dev, regfast, &drive_fast); | |
1da177e4 LT |
512 | if (drive_fast & 0x80) |
513 | pci_write_config_byte(dev, regfast, drive_fast & ~0x80); | |
1da177e4 | 514 | |
b39b01ff AC |
515 | reg2 = pci_bus_clock_list(speed, info->speed); |
516 | ||
1da177e4 LT |
517 | /* |
518 | * Disable on-chip PIO FIFO/buffer | |
519 | * (to avoid problems handling I/O errors later) | |
520 | */ | |
521 | pci_read_config_dword(dev, regtime, ®1); | |
522 | if (speed >= XFER_MW_DMA_0) { | |
523 | reg2 = (reg2 & ~0xc0000000) | (reg1 & 0xc0000000); | |
524 | } else { | |
525 | reg2 = (reg2 & ~0x30070000) | (reg1 & 0x30070000); | |
526 | } | |
527 | reg2 &= ~0x80000000; | |
528 | ||
529 | pci_write_config_dword(dev, regtime, reg2); | |
530 | ||
531 | return ide_config_drive_speed(drive, speed); | |
532 | } | |
533 | ||
534 | static int hpt370_tune_chipset(ide_drive_t *drive, u8 xferspeed) | |
535 | { | |
b39b01ff AC |
536 | ide_hwif_t *hwif = drive->hwif; |
537 | struct pci_dev *dev = hwif->pci_dev; | |
538 | struct hpt_info *info = ide_get_hwifdata(hwif); | |
1da177e4 | 539 | u8 speed = hpt3xx_ratefilter(drive, xferspeed); |
b39b01ff | 540 | u8 regfast = (drive->hwif->channel) ? 0x55 : 0x51; |
1da177e4 LT |
541 | u8 drive_pci = 0x40 + (drive->dn * 4); |
542 | u8 new_fast = 0, drive_fast = 0; | |
543 | u32 list_conf = 0, drive_conf = 0; | |
544 | u32 conf_mask = (speed >= XFER_MW_DMA_0) ? 0xc0000000 : 0x30070000; | |
545 | ||
546 | /* | |
547 | * Disable the "fast interrupt" prediction. | |
548 | * don't holdoff on interrupts. (== 0x01 despite what the docs say) | |
549 | */ | |
550 | pci_read_config_byte(dev, regfast, &drive_fast); | |
551 | new_fast = drive_fast; | |
552 | if (new_fast & 0x02) | |
553 | new_fast &= ~0x02; | |
554 | ||
555 | #ifdef HPT_DELAY_INTERRUPT | |
556 | if (new_fast & 0x01) | |
557 | new_fast &= ~0x01; | |
558 | #else | |
559 | if ((new_fast & 0x01) == 0) | |
560 | new_fast |= 0x01; | |
561 | #endif | |
562 | if (new_fast != drive_fast) | |
563 | pci_write_config_byte(dev, regfast, new_fast); | |
564 | ||
b39b01ff | 565 | list_conf = pci_bus_clock_list(speed, info->speed); |
1da177e4 LT |
566 | |
567 | pci_read_config_dword(dev, drive_pci, &drive_conf); | |
568 | list_conf = (list_conf & ~conf_mask) | (drive_conf & conf_mask); | |
569 | ||
b39b01ff | 570 | if (speed < XFER_MW_DMA_0) |
1da177e4 | 571 | list_conf &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */ |
1da177e4 LT |
572 | pci_write_config_dword(dev, drive_pci, list_conf); |
573 | ||
574 | return ide_config_drive_speed(drive, speed); | |
575 | } | |
576 | ||
577 | static int hpt372_tune_chipset(ide_drive_t *drive, u8 xferspeed) | |
578 | { | |
b39b01ff AC |
579 | ide_hwif_t *hwif = drive->hwif; |
580 | struct pci_dev *dev = hwif->pci_dev; | |
581 | struct hpt_info *info = ide_get_hwifdata(hwif); | |
1da177e4 | 582 | u8 speed = hpt3xx_ratefilter(drive, xferspeed); |
b39b01ff | 583 | u8 regfast = (drive->hwif->channel) ? 0x55 : 0x51; |
1da177e4 LT |
584 | u8 drive_fast = 0, drive_pci = 0x40 + (drive->dn * 4); |
585 | u32 list_conf = 0, drive_conf = 0; | |
586 | u32 conf_mask = (speed >= XFER_MW_DMA_0) ? 0xc0000000 : 0x30070000; | |
587 | ||
588 | /* | |
589 | * Disable the "fast interrupt" prediction. | |
590 | * don't holdoff on interrupts. (== 0x01 despite what the docs say) | |
591 | */ | |
592 | pci_read_config_byte(dev, regfast, &drive_fast); | |
593 | drive_fast &= ~0x07; | |
594 | pci_write_config_byte(dev, regfast, drive_fast); | |
b39b01ff AC |
595 | |
596 | list_conf = pci_bus_clock_list(speed, info->speed); | |
1da177e4 LT |
597 | pci_read_config_dword(dev, drive_pci, &drive_conf); |
598 | list_conf = (list_conf & ~conf_mask) | (drive_conf & conf_mask); | |
599 | if (speed < XFER_MW_DMA_0) | |
600 | list_conf &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */ | |
601 | pci_write_config_dword(dev, drive_pci, list_conf); | |
602 | ||
603 | return ide_config_drive_speed(drive, speed); | |
604 | } | |
605 | ||
606 | static int hpt3xx_tune_chipset (ide_drive_t *drive, u8 speed) | |
607 | { | |
b39b01ff AC |
608 | ide_hwif_t *hwif = drive->hwif; |
609 | struct hpt_info *info = ide_get_hwifdata(hwif); | |
1da177e4 | 610 | |
b39b01ff | 611 | if (info->revision >= 8) |
1da177e4 | 612 | return hpt372_tune_chipset(drive, speed); /* not a typo */ |
b39b01ff | 613 | else if (info->revision >= 5) |
1da177e4 | 614 | return hpt372_tune_chipset(drive, speed); |
b39b01ff | 615 | else if (info->revision >= 3) |
1da177e4 LT |
616 | return hpt370_tune_chipset(drive, speed); |
617 | else /* hpt368: hpt_minimum_revision(dev, 2) */ | |
618 | return hpt36x_tune_chipset(drive, speed); | |
619 | } | |
620 | ||
621 | static void hpt3xx_tune_drive (ide_drive_t *drive, u8 pio) | |
622 | { | |
623 | pio = ide_get_best_pio_mode(drive, 255, pio, NULL); | |
624 | (void) hpt3xx_tune_chipset(drive, (XFER_PIO_0 + pio)); | |
625 | } | |
626 | ||
627 | /* | |
628 | * This allows the configuration of ide_pci chipset registers | |
629 | * for cards that learn about the drive's UDMA, DMA, PIO capabilities | |
630 | * after the drive is reported by the OS. Initially for designed for | |
631 | * HPT366 UDMA chipset by HighPoint|Triones Technologies, Inc. | |
632 | * | |
633 | * check_in_drive_lists(drive, bad_ata66_4) | |
634 | * check_in_drive_lists(drive, bad_ata66_3) | |
635 | * check_in_drive_lists(drive, bad_ata33) | |
636 | * | |
637 | */ | |
638 | static int config_chipset_for_dma (ide_drive_t *drive) | |
639 | { | |
640 | u8 speed = ide_dma_speed(drive, hpt3xx_ratemask(drive)); | |
b39b01ff AC |
641 | ide_hwif_t *hwif = drive->hwif; |
642 | struct hpt_info *info = ide_get_hwifdata(hwif); | |
1da177e4 | 643 | |
b39b01ff AC |
644 | if (!speed) |
645 | return 0; | |
646 | ||
647 | /* If we don't have any timings we can't do a lot */ | |
648 | if (info->speed == NULL) | |
1da177e4 LT |
649 | return 0; |
650 | ||
651 | (void) hpt3xx_tune_chipset(drive, speed); | |
652 | return ide_dma_enable(drive); | |
653 | } | |
654 | ||
e139b0b0 | 655 | static int hpt3xx_quirkproc(ide_drive_t *drive) |
1da177e4 | 656 | { |
e139b0b0 SS |
657 | struct hd_driveid *id = drive->id; |
658 | const char **list = quirk_drives; | |
659 | ||
660 | while (*list) | |
661 | if (strstr(id->model, *list++)) | |
662 | return 1; | |
663 | return 0; | |
1da177e4 LT |
664 | } |
665 | ||
666 | static void hpt3xx_intrproc (ide_drive_t *drive) | |
667 | { | |
b39b01ff | 668 | ide_hwif_t *hwif = drive->hwif; |
1da177e4 LT |
669 | |
670 | if (drive->quirk_list) | |
671 | return; | |
672 | /* drives in the quirk_list may not like intr setups/cleanups */ | |
673 | hwif->OUTB(drive->ctl|2, IDE_CONTROL_REG); | |
674 | } | |
675 | ||
676 | static void hpt3xx_maskproc (ide_drive_t *drive, int mask) | |
677 | { | |
b39b01ff AC |
678 | ide_hwif_t *hwif = drive->hwif; |
679 | struct hpt_info *info = ide_get_hwifdata(hwif); | |
680 | struct pci_dev *dev = hwif->pci_dev; | |
1da177e4 LT |
681 | |
682 | if (drive->quirk_list) { | |
b39b01ff | 683 | if (info->revision >= 3) { |
1da177e4 LT |
684 | u8 reg5a = 0; |
685 | pci_read_config_byte(dev, 0x5a, ®5a); | |
686 | if (((reg5a & 0x10) >> 4) != mask) | |
687 | pci_write_config_byte(dev, 0x5a, mask ? (reg5a | 0x10) : (reg5a & ~0x10)); | |
688 | } else { | |
689 | if (mask) { | |
b39b01ff | 690 | disable_irq(hwif->irq); |
1da177e4 | 691 | } else { |
b39b01ff | 692 | enable_irq(hwif->irq); |
1da177e4 LT |
693 | } |
694 | } | |
695 | } else { | |
696 | if (IDE_CONTROL_REG) | |
b39b01ff | 697 | hwif->OUTB(mask ? (drive->ctl | 2) : |
1da177e4 LT |
698 | (drive->ctl & ~2), |
699 | IDE_CONTROL_REG); | |
700 | } | |
701 | } | |
702 | ||
703 | static int hpt366_config_drive_xfer_rate (ide_drive_t *drive) | |
704 | { | |
b39b01ff | 705 | ide_hwif_t *hwif = drive->hwif; |
1da177e4 LT |
706 | struct hd_driveid *id = drive->id; |
707 | ||
708 | drive->init_speed = 0; | |
709 | ||
b39b01ff | 710 | if ((id->capability & 1) && drive->autodma) { |
1da177e4 LT |
711 | |
712 | if (ide_use_dma(drive)) { | |
713 | if (config_chipset_for_dma(drive)) | |
714 | return hwif->ide_dma_on(drive); | |
715 | } | |
716 | ||
717 | goto fast_ata_pio; | |
718 | ||
719 | } else if ((id->capability & 8) || (id->field_valid & 2)) { | |
720 | fast_ata_pio: | |
721 | hpt3xx_tune_drive(drive, 5); | |
722 | return hwif->ide_dma_off_quietly(drive); | |
723 | } | |
724 | /* IORDY not supported */ | |
725 | return 0; | |
726 | } | |
727 | ||
728 | /* | |
729 | * This is specific to the HPT366 UDMA bios chipset | |
730 | * by HighPoint|Triones Technologies, Inc. | |
731 | */ | |
732 | static int hpt366_ide_dma_lostirq (ide_drive_t *drive) | |
733 | { | |
734 | struct pci_dev *dev = HWIF(drive)->pci_dev; | |
735 | u8 reg50h = 0, reg52h = 0, reg5ah = 0; | |
736 | ||
737 | pci_read_config_byte(dev, 0x50, ®50h); | |
738 | pci_read_config_byte(dev, 0x52, ®52h); | |
739 | pci_read_config_byte(dev, 0x5a, ®5ah); | |
740 | printk("%s: (%s) reg50h=0x%02x, reg52h=0x%02x, reg5ah=0x%02x\n", | |
741 | drive->name, __FUNCTION__, reg50h, reg52h, reg5ah); | |
742 | if (reg5ah & 0x10) | |
743 | pci_write_config_byte(dev, 0x5a, reg5ah & ~0x10); | |
1da177e4 LT |
744 | return __ide_dma_lostirq(drive); |
745 | } | |
746 | ||
747 | static void hpt370_clear_engine (ide_drive_t *drive) | |
748 | { | |
749 | u8 regstate = HWIF(drive)->channel ? 0x54 : 0x50; | |
750 | pci_write_config_byte(HWIF(drive)->pci_dev, regstate, 0x37); | |
751 | udelay(10); | |
752 | } | |
753 | ||
754 | static void hpt370_ide_dma_start(ide_drive_t *drive) | |
755 | { | |
756 | #ifdef HPT_RESET_STATE_ENGINE | |
757 | hpt370_clear_engine(drive); | |
758 | #endif | |
759 | ide_dma_start(drive); | |
760 | } | |
761 | ||
762 | static int hpt370_ide_dma_end (ide_drive_t *drive) | |
763 | { | |
764 | ide_hwif_t *hwif = HWIF(drive); | |
765 | u8 dma_stat = hwif->INB(hwif->dma_status); | |
766 | ||
767 | if (dma_stat & 0x01) { | |
768 | /* wait a little */ | |
769 | udelay(20); | |
770 | dma_stat = hwif->INB(hwif->dma_status); | |
771 | } | |
772 | if ((dma_stat & 0x01) != 0) | |
773 | /* fallthrough */ | |
774 | (void) HWIF(drive)->ide_dma_timeout(drive); | |
775 | ||
776 | return __ide_dma_end(drive); | |
777 | } | |
778 | ||
779 | static void hpt370_lostirq_timeout (ide_drive_t *drive) | |
780 | { | |
781 | ide_hwif_t *hwif = HWIF(drive); | |
782 | u8 bfifo = 0, reginfo = hwif->channel ? 0x56 : 0x52; | |
783 | u8 dma_stat = 0, dma_cmd = 0; | |
784 | ||
785 | pci_read_config_byte(HWIF(drive)->pci_dev, reginfo, &bfifo); | |
b39b01ff | 786 | printk(KERN_DEBUG "%s: %d bytes in FIFO\n", drive->name, bfifo); |
1da177e4 LT |
787 | hpt370_clear_engine(drive); |
788 | /* get dma command mode */ | |
789 | dma_cmd = hwif->INB(hwif->dma_command); | |
790 | /* stop dma */ | |
791 | hwif->OUTB(dma_cmd & ~0x1, hwif->dma_command); | |
792 | dma_stat = hwif->INB(hwif->dma_status); | |
793 | /* clear errors */ | |
794 | hwif->OUTB(dma_stat | 0x6, hwif->dma_status); | |
795 | } | |
796 | ||
797 | static int hpt370_ide_dma_timeout (ide_drive_t *drive) | |
798 | { | |
799 | hpt370_lostirq_timeout(drive); | |
800 | hpt370_clear_engine(drive); | |
801 | return __ide_dma_timeout(drive); | |
802 | } | |
803 | ||
804 | static int hpt370_ide_dma_lostirq (ide_drive_t *drive) | |
805 | { | |
806 | hpt370_lostirq_timeout(drive); | |
807 | hpt370_clear_engine(drive); | |
808 | return __ide_dma_lostirq(drive); | |
809 | } | |
810 | ||
811 | /* returns 1 if DMA IRQ issued, 0 otherwise */ | |
812 | static int hpt374_ide_dma_test_irq(ide_drive_t *drive) | |
813 | { | |
814 | ide_hwif_t *hwif = HWIF(drive); | |
815 | u16 bfifo = 0; | |
816 | u8 reginfo = hwif->channel ? 0x56 : 0x52; | |
817 | u8 dma_stat; | |
818 | ||
819 | pci_read_config_word(hwif->pci_dev, reginfo, &bfifo); | |
820 | if (bfifo & 0x1FF) { | |
821 | // printk("%s: %d bytes in FIFO\n", drive->name, bfifo); | |
822 | return 0; | |
823 | } | |
824 | ||
825 | dma_stat = hwif->INB(hwif->dma_status); | |
826 | /* return 1 if INTR asserted */ | |
827 | if ((dma_stat & 4) == 4) | |
828 | return 1; | |
829 | ||
830 | if (!drive->waiting_for_dma) | |
831 | printk(KERN_WARNING "%s: (%s) called while not waiting\n", | |
832 | drive->name, __FUNCTION__); | |
833 | return 0; | |
834 | } | |
835 | ||
836 | static int hpt374_ide_dma_end (ide_drive_t *drive) | |
837 | { | |
838 | struct pci_dev *dev = HWIF(drive)->pci_dev; | |
839 | ide_hwif_t *hwif = HWIF(drive); | |
840 | u8 msc_stat = 0, mscreg = hwif->channel ? 0x54 : 0x50; | |
841 | u8 bwsr_stat = 0, bwsr_mask = hwif->channel ? 0x02 : 0x01; | |
842 | ||
843 | pci_read_config_byte(dev, 0x6a, &bwsr_stat); | |
844 | pci_read_config_byte(dev, mscreg, &msc_stat); | |
845 | if ((bwsr_stat & bwsr_mask) == bwsr_mask) | |
846 | pci_write_config_byte(dev, mscreg, msc_stat|0x30); | |
847 | return __ide_dma_end(drive); | |
848 | } | |
849 | ||
850 | /** | |
836c0063 SS |
851 | * hpt3xxn_set_clock - perform clock switching dance |
852 | * @hwif: hwif to switch | |
853 | * @mode: clocking mode (0x21 for write, 0x23 otherwise) | |
1da177e4 | 854 | * |
836c0063 SS |
855 | * Switch the DPLL clock on the HPT3xxN devices. This is a right mess. |
856 | * NOTE: avoid touching the disabled primary channel on HPT371N -- it | |
857 | * doesn't physically exist anyway... | |
1da177e4 | 858 | */ |
836c0063 SS |
859 | |
860 | static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode) | |
1da177e4 | 861 | { |
836c0063 SS |
862 | u8 mcr1, scr2 = hwif->INB(hwif->dma_master + 0x7b); |
863 | ||
864 | if ((scr2 & 0x7f) == mode) | |
865 | return; | |
866 | ||
867 | /* MISC. control register 1 has the channel enable bit... */ | |
868 | mcr1 = hwif->INB(hwif->dma_master + 0x70); | |
869 | ||
1da177e4 | 870 | /* Tristate the bus */ |
836c0063 SS |
871 | if (mcr1 & 0x04) |
872 | hwif->OUTB(0x80, hwif->dma_master + 0x73); | |
873 | hwif->OUTB(0x80, hwif->dma_master + 0x77); | |
874 | ||
1da177e4 | 875 | /* Switch clock and reset channels */ |
836c0063 SS |
876 | hwif->OUTB(mode, hwif->dma_master + 0x7b); |
877 | hwif->OUTB(0xc0, hwif->dma_master + 0x79); | |
878 | ||
1da177e4 | 879 | /* Reset state machines */ |
836c0063 SS |
880 | if (mcr1 & 0x04) |
881 | hwif->OUTB(0x37, hwif->dma_master + 0x70); | |
882 | hwif->OUTB(0x37, hwif->dma_master + 0x74); | |
883 | ||
1da177e4 | 884 | /* Complete reset */ |
836c0063 SS |
885 | hwif->OUTB(0x00, hwif->dma_master + 0x79); |
886 | ||
1da177e4 | 887 | /* Reconnect channels to bus */ |
836c0063 SS |
888 | if (mcr1 & 0x04) |
889 | hwif->OUTB(0x00, hwif->dma_master + 0x73); | |
890 | hwif->OUTB(0x00, hwif->dma_master + 0x77); | |
1da177e4 LT |
891 | } |
892 | ||
893 | /** | |
836c0063 | 894 | * hpt3xxn_rw_disk - prepare for I/O |
1da177e4 LT |
895 | * @drive: drive for command |
896 | * @rq: block request structure | |
897 | * | |
836c0063 | 898 | * This is called when a disk I/O is issued to HPT3xxN. |
1da177e4 LT |
899 | * We need it because of the clock switching. |
900 | */ | |
901 | ||
836c0063 | 902 | static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq) |
1da177e4 | 903 | { |
836c0063 SS |
904 | ide_hwif_t *hwif = HWIF(drive); |
905 | u8 wantclock = rq_data_dir(rq) ? 0x23 : 0x21; | |
1da177e4 | 906 | |
836c0063 | 907 | hpt3xxn_set_clock(hwif, wantclock); |
1da177e4 LT |
908 | } |
909 | ||
1da177e4 | 910 | /* |
33b18a60 | 911 | * Set/get power state for a drive. |
1da177e4 | 912 | * |
33b18a60 | 913 | * When we turn the power back on, we need to re-initialize things. |
1da177e4 LT |
914 | */ |
915 | #define TRISTATE_BIT 0x8000 | |
33b18a60 SS |
916 | |
917 | static int hpt3xx_busproc(ide_drive_t *drive, int state) | |
1da177e4 | 918 | { |
b39b01ff | 919 | ide_hwif_t *hwif = drive->hwif; |
1da177e4 | 920 | struct pci_dev *dev = hwif->pci_dev; |
33b18a60 SS |
921 | u8 tristate, resetmask, bus_reg = 0; |
922 | u16 tri_reg = 0; | |
1da177e4 LT |
923 | |
924 | hwif->bus_state = state; | |
925 | ||
926 | if (hwif->channel) { | |
927 | /* secondary channel */ | |
33b18a60 SS |
928 | tristate = 0x56; |
929 | resetmask = 0x80; | |
1da177e4 LT |
930 | } else { |
931 | /* primary channel */ | |
33b18a60 | 932 | tristate = 0x52; |
1da177e4 LT |
933 | resetmask = 0x40; |
934 | } | |
935 | ||
33b18a60 | 936 | /* Grab the status. */ |
1da177e4 LT |
937 | pci_read_config_word(dev, tristate, &tri_reg); |
938 | pci_read_config_byte(dev, 0x59, &bus_reg); | |
939 | ||
33b18a60 SS |
940 | /* |
941 | * Set the state. We don't set it if we don't need to do so. | |
942 | * Make sure that the drive knows that it has failed if it's off. | |
943 | */ | |
1da177e4 LT |
944 | switch (state) { |
945 | case BUSSTATE_ON: | |
33b18a60 | 946 | if (!(bus_reg & resetmask)) |
1da177e4 | 947 | return 0; |
33b18a60 SS |
948 | hwif->drives[0].failures = hwif->drives[1].failures = 0; |
949 | ||
950 | pci_write_config_byte(dev, 0x59, bus_reg & ~resetmask); | |
951 | pci_write_config_word(dev, tristate, tri_reg & ~TRISTATE_BIT); | |
952 | return 0; | |
1da177e4 | 953 | case BUSSTATE_OFF: |
33b18a60 | 954 | if ((bus_reg & resetmask) && !(tri_reg & TRISTATE_BIT)) |
1da177e4 LT |
955 | return 0; |
956 | tri_reg &= ~TRISTATE_BIT; | |
1da177e4 LT |
957 | break; |
958 | case BUSSTATE_TRISTATE: | |
33b18a60 | 959 | if ((bus_reg & resetmask) && (tri_reg & TRISTATE_BIT)) |
1da177e4 LT |
960 | return 0; |
961 | tri_reg |= TRISTATE_BIT; | |
1da177e4 | 962 | break; |
33b18a60 SS |
963 | default: |
964 | return -EINVAL; | |
1da177e4 | 965 | } |
1da177e4 | 966 | |
33b18a60 SS |
967 | hwif->drives[0].failures = hwif->drives[0].max_failures + 1; |
968 | hwif->drives[1].failures = hwif->drives[1].max_failures + 1; | |
969 | ||
970 | pci_write_config_word(dev, tristate, tri_reg); | |
971 | pci_write_config_byte(dev, 0x59, bus_reg | resetmask); | |
1da177e4 LT |
972 | return 0; |
973 | } | |
974 | ||
b39b01ff | 975 | static void __devinit hpt366_clocking(ide_hwif_t *hwif) |
1da177e4 | 976 | { |
b39b01ff AC |
977 | u32 reg1 = 0; |
978 | struct hpt_info *info = ide_get_hwifdata(hwif); | |
979 | ||
980 | pci_read_config_dword(hwif->pci_dev, 0x40, ®1); | |
981 | ||
982 | /* detect bus speed by looking at control reg timing: */ | |
983 | switch((reg1 >> 8) & 7) { | |
984 | case 5: | |
471a0bda | 985 | info->speed = forty_base_hpt36x; |
b39b01ff AC |
986 | break; |
987 | case 9: | |
471a0bda | 988 | info->speed = twenty_five_base_hpt36x; |
b39b01ff AC |
989 | break; |
990 | case 7: | |
991 | default: | |
471a0bda | 992 | info->speed = thirty_three_base_hpt36x; |
b39b01ff AC |
993 | break; |
994 | } | |
995 | } | |
996 | ||
997 | static void __devinit hpt37x_clocking(ide_hwif_t *hwif) | |
998 | { | |
90778574 SS |
999 | struct hpt_info *info = ide_get_hwifdata(hwif); |
1000 | struct pci_dev *dev = hwif->pci_dev; | |
1001 | char *name = hwif->cds->name; | |
1da177e4 | 1002 | int adjust, i; |
26c068da SS |
1003 | u16 freq = 0; |
1004 | u32 pll, temp = 0; | |
836c0063 | 1005 | u8 reg5bh = 0, mcr1 = 0; |
1da177e4 | 1006 | |
1da177e4 LT |
1007 | /* |
1008 | * default to pci clock. make sure MA15/16 are set to output | |
b39b01ff AC |
1009 | * to prevent drives having problems with 40-pin cables. Needed |
1010 | * for some drives such as IBM-DTLA which will not enter ready | |
1011 | * state on reset when PDIAG is a input. | |
1012 | * | |
1013 | * ToDo: should we set 0x21 when using PLL mode ? | |
1da177e4 LT |
1014 | */ |
1015 | pci_write_config_byte(dev, 0x5b, 0x23); | |
1016 | ||
1017 | /* | |
26c068da SS |
1018 | * We'll have to read f_CNT value in order to determine |
1019 | * the PCI clock frequency according to the following ratio: | |
1da177e4 | 1020 | * |
26c068da SS |
1021 | * f_CNT = Fpci * 192 / Fdpll |
1022 | * | |
1023 | * First try reading the register in which the HighPoint BIOS | |
1024 | * saves f_CNT value before reprogramming the DPLL from its | |
1025 | * default setting (which differs for the various chips). | |
f13c1526 SS |
1026 | * NOTE: This register is only accessible via I/O space. |
1027 | * | |
26c068da SS |
1028 | * In case the signature check fails, we'll have to resort to |
1029 | * reading the f_CNT register itself in hopes that nobody has | |
1030 | * touched the DPLL yet... | |
1da177e4 | 1031 | */ |
f13c1526 | 1032 | temp = inl(pci_resource_start(dev, 4) + 0x90); |
26c068da | 1033 | if ((temp & 0xFFFFF000) != 0xABCDE000) { |
90778574 | 1034 | printk(KERN_WARNING "%s: no clock data saved by BIOS\n", name); |
26c068da SS |
1035 | |
1036 | /* Calculate the average value of f_CNT */ | |
1037 | for (temp = i = 0; i < 128; i++) { | |
1038 | pci_read_config_word(dev, 0x78, &freq); | |
1039 | temp += freq & 0x1ff; | |
1040 | mdelay(1); | |
1041 | } | |
1042 | freq = temp / 128; | |
1043 | } else | |
1044 | freq = temp & 0x1ff; | |
1045 | ||
1da177e4 | 1046 | /* |
836c0063 SS |
1047 | * HPT3xxN chips use different PCI clock information. |
1048 | * Currently we always set up the PLL for them. | |
1da177e4 | 1049 | */ |
836c0063 SS |
1050 | |
1051 | if (info->flags & IS_3xxN) { | |
1da177e4 LT |
1052 | if(freq < 0x55) |
1053 | pll = F_LOW_PCI_33; | |
1054 | else if(freq < 0x70) | |
1055 | pll = F_LOW_PCI_40; | |
1056 | else if(freq < 0x7F) | |
1057 | pll = F_LOW_PCI_50; | |
1058 | else | |
1059 | pll = F_LOW_PCI_66; | |
836c0063 | 1060 | |
90778574 | 1061 | } else { |
1da177e4 LT |
1062 | if(freq < 0x9C) |
1063 | pll = F_LOW_PCI_33; | |
1064 | else if(freq < 0xb0) | |
1065 | pll = F_LOW_PCI_40; | |
1066 | else if(freq <0xc8) | |
1067 | pll = F_LOW_PCI_50; | |
1068 | else | |
1069 | pll = F_LOW_PCI_66; | |
90778574 SS |
1070 | } |
1071 | printk(KERN_INFO "%s: FREQ: %d, PLL: %d\n", name, freq, pll); | |
1da177e4 | 1072 | |
90778574 | 1073 | if (!(info->flags & IS_3xxN)) { |
1da177e4 | 1074 | if (pll == F_LOW_PCI_33) { |
471a0bda | 1075 | info->speed = thirty_three_base_hpt37x; |
90778574 | 1076 | printk(KERN_DEBUG "%s: using 33MHz PCI clock\n", name); |
1da177e4 LT |
1077 | } else if (pll == F_LOW_PCI_40) { |
1078 | /* Unsupported */ | |
1079 | } else if (pll == F_LOW_PCI_50) { | |
471a0bda | 1080 | info->speed = fifty_base_hpt37x; |
90778574 | 1081 | printk(KERN_DEBUG "%s: using 50MHz PCI clock\n", name); |
1da177e4 | 1082 | } else { |
471a0bda | 1083 | info->speed = sixty_six_base_hpt37x; |
90778574 | 1084 | printk(KERN_DEBUG "%s: using 66MHz PCI clock\n", name); |
1da177e4 LT |
1085 | } |
1086 | } | |
836c0063 SS |
1087 | |
1088 | if (pll == F_LOW_PCI_66) | |
1089 | info->flags |= PCI_66MHZ; | |
1090 | ||
1da177e4 LT |
1091 | /* |
1092 | * only try the pll if we don't have a table for the clock | |
1093 | * speed that we're running at. NOTE: the internal PLL will | |
1094 | * result in slow reads when using a 33MHz PCI clock. we also | |
1095 | * don't like to use the PLL because it will cause glitches | |
1096 | * on PRST/SRST when the HPT state engine gets reset. | |
b39b01ff AC |
1097 | * |
1098 | * ToDo: Use 66MHz PLL when ATA133 devices are present on a | |
1099 | * 372 device so we can get ATA133 support | |
1da177e4 | 1100 | */ |
b39b01ff | 1101 | if (info->speed) |
1da177e4 | 1102 | goto init_hpt37X_done; |
b39b01ff AC |
1103 | |
1104 | info->flags |= PLL_MODE; | |
1da177e4 LT |
1105 | |
1106 | /* | |
26c068da SS |
1107 | * Adjust the PLL based upon the PCI clock, enable it, and |
1108 | * wait for stabilization... | |
1da177e4 LT |
1109 | */ |
1110 | adjust = 0; | |
1111 | freq = (pll < F_LOW_PCI_50) ? 2 : 4; | |
1112 | while (adjust++ < 6) { | |
1113 | pci_write_config_dword(dev, 0x5c, (freq + pll) << 16 | | |
1114 | pll | 0x100); | |
1115 | ||
1116 | /* wait for clock stabilization */ | |
1117 | for (i = 0; i < 0x50000; i++) { | |
1118 | pci_read_config_byte(dev, 0x5b, ®5bh); | |
1119 | if (reg5bh & 0x80) { | |
1120 | /* spin looking for the clock to destabilize */ | |
1121 | for (i = 0; i < 0x1000; ++i) { | |
1122 | pci_read_config_byte(dev, 0x5b, | |
1123 | ®5bh); | |
1124 | if ((reg5bh & 0x80) == 0) | |
1125 | goto pll_recal; | |
1126 | } | |
1127 | pci_read_config_dword(dev, 0x5c, &pll); | |
1128 | pci_write_config_dword(dev, 0x5c, | |
1129 | pll & ~0x100); | |
1130 | pci_write_config_byte(dev, 0x5b, 0x21); | |
471a0bda SS |
1131 | |
1132 | info->speed = fifty_base_hpt37x; | |
90778574 | 1133 | printk("%s: using 50MHz internal PLL\n", name); |
1da177e4 LT |
1134 | goto init_hpt37X_done; |
1135 | } | |
1136 | } | |
1137 | pll_recal: | |
1138 | if (adjust & 1) | |
1139 | pll -= (adjust >> 1); | |
1140 | else | |
1141 | pll += (adjust >> 1); | |
1142 | } | |
1143 | ||
1144 | init_hpt37X_done: | |
b39b01ff | 1145 | if (!info->speed) |
90778574 SS |
1146 | printk(KERN_ERR "%s: unknown bus timing [%d %d].\n", |
1147 | name, pll, freq); | |
836c0063 SS |
1148 | /* |
1149 | * Reset the state engines. | |
1150 | * NOTE: avoid accidentally enabling the primary channel on HPT371N. | |
1151 | */ | |
1152 | pci_read_config_byte(dev, 0x50, &mcr1); | |
1153 | if (mcr1 & 0x04) | |
1154 | pci_write_config_byte(dev, 0x50, 0x37); | |
1155 | pci_write_config_byte(dev, 0x54, 0x37); | |
1da177e4 | 1156 | udelay(100); |
b39b01ff AC |
1157 | } |
1158 | ||
1159 | static int __devinit init_hpt37x(struct pci_dev *dev) | |
1160 | { | |
1161 | u8 reg5ah; | |
1162 | ||
1163 | pci_read_config_byte(dev, 0x5a, ®5ah); | |
1164 | /* interrupt force enable */ | |
1165 | pci_write_config_byte(dev, 0x5a, (reg5ah & ~0x10)); | |
1da177e4 LT |
1166 | return 0; |
1167 | } | |
1168 | ||
1169 | static int __devinit init_hpt366(struct pci_dev *dev) | |
1170 | { | |
1171 | u32 reg1 = 0; | |
1172 | u8 drive_fast = 0; | |
1173 | ||
1174 | /* | |
1175 | * Disable the "fast interrupt" prediction. | |
1176 | */ | |
1177 | pci_read_config_byte(dev, 0x51, &drive_fast); | |
1178 | if (drive_fast & 0x80) | |
1179 | pci_write_config_byte(dev, 0x51, drive_fast & ~0x80); | |
1180 | pci_read_config_dword(dev, 0x40, ®1); | |
1181 | ||
1da177e4 LT |
1182 | return 0; |
1183 | } | |
1184 | ||
1185 | static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const char *name) | |
1186 | { | |
1187 | int ret = 0; | |
9ec4ff42 LT |
1188 | |
1189 | /* | |
1190 | * FIXME: Not portable. Also, why do we enable the ROM in the first place? | |
1191 | * We don't seem to be using it. | |
1192 | */ | |
1da177e4 | 1193 | if (dev->resource[PCI_ROM_RESOURCE].start) |
9ec4ff42 | 1194 | pci_write_config_dword(dev, PCI_ROM_ADDRESS, |
1da177e4 LT |
1195 | dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); |
1196 | ||
b39b01ff AC |
1197 | pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); |
1198 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); | |
1199 | pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); | |
1200 | pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); | |
1da177e4 | 1201 | |
b39b01ff | 1202 | if (hpt_revision(dev) >= 3) |
1da177e4 | 1203 | ret = init_hpt37x(dev); |
b39b01ff AC |
1204 | else |
1205 | ret = init_hpt366(dev); | |
1206 | ||
1da177e4 LT |
1207 | if (ret) |
1208 | return ret; | |
1209 | ||
1210 | return dev->irq; | |
1211 | } | |
1212 | ||
1213 | static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) | |
1214 | { | |
1215 | struct pci_dev *dev = hwif->pci_dev; | |
b39b01ff | 1216 | struct hpt_info *info = ide_get_hwifdata(hwif); |
1da177e4 | 1217 | u8 ata66 = 0, regmask = (hwif->channel) ? 0x01 : 0x02; |
836c0063 | 1218 | int serialize = HPT_SERIALIZE_IO; |
1da177e4 | 1219 | |
1da177e4 LT |
1220 | hwif->tuneproc = &hpt3xx_tune_drive; |
1221 | hwif->speedproc = &hpt3xx_tune_chipset; | |
1222 | hwif->quirkproc = &hpt3xx_quirkproc; | |
1223 | hwif->intrproc = &hpt3xx_intrproc; | |
1224 | hwif->maskproc = &hpt3xx_maskproc; | |
1225 | ||
836c0063 SS |
1226 | /* |
1227 | * HPT3xxN chips have some complications: | |
1228 | * | |
1229 | * - on 33 MHz PCI we must clock switch | |
1230 | * - on 66 MHz PCI we must NOT use the PCI clock | |
1231 | */ | |
1232 | if ((info->flags & (IS_3xxN | PCI_66MHZ)) == IS_3xxN) { | |
1233 | /* | |
1234 | * Clock is shared between the channels, | |
1235 | * so we'll have to serialize them... :-( | |
1236 | */ | |
1237 | serialize = 1; | |
1238 | hwif->rw_disk = &hpt3xxn_rw_disk; | |
1239 | } | |
1da177e4 LT |
1240 | |
1241 | /* | |
1242 | * The HPT37x uses the CBLID pins as outputs for MA15/MA16 | |
1243 | * address lines to access an external eeprom. To read valid | |
1244 | * cable detect state the pins must be enabled as inputs. | |
1245 | */ | |
b39b01ff | 1246 | if (info->revision >= 8 && (PCI_FUNC(dev->devfn) & 1)) { |
1da177e4 LT |
1247 | /* |
1248 | * HPT374 PCI function 1 | |
1249 | * - set bit 15 of reg 0x52 to enable TCBLID as input | |
1250 | * - set bit 15 of reg 0x56 to enable FCBLID as input | |
1251 | */ | |
1252 | u16 mcr3, mcr6; | |
1253 | pci_read_config_word(dev, 0x52, &mcr3); | |
1254 | pci_read_config_word(dev, 0x56, &mcr6); | |
1255 | pci_write_config_word(dev, 0x52, mcr3 | 0x8000); | |
1256 | pci_write_config_word(dev, 0x56, mcr6 | 0x8000); | |
1257 | /* now read cable id register */ | |
1258 | pci_read_config_byte(dev, 0x5a, &ata66); | |
1259 | pci_write_config_word(dev, 0x52, mcr3); | |
1260 | pci_write_config_word(dev, 0x56, mcr6); | |
b39b01ff | 1261 | } else if (info->revision >= 3) { |
1da177e4 LT |
1262 | /* |
1263 | * HPT370/372 and 374 pcifn 0 | |
1264 | * - clear bit 0 of 0x5b to enable P/SCBLID as inputs | |
1265 | */ | |
1266 | u8 scr2; | |
1267 | pci_read_config_byte(dev, 0x5b, &scr2); | |
1268 | pci_write_config_byte(dev, 0x5b, scr2 & ~1); | |
1269 | /* now read cable id register */ | |
1270 | pci_read_config_byte(dev, 0x5a, &ata66); | |
1271 | pci_write_config_byte(dev, 0x5b, scr2); | |
1272 | } else { | |
1273 | pci_read_config_byte(dev, 0x5a, &ata66); | |
1274 | } | |
1275 | ||
1276 | #ifdef DEBUG | |
1277 | printk("HPT366: reg5ah=0x%02x ATA-%s Cable Port%d\n", | |
1278 | ata66, (ata66 & regmask) ? "33" : "66", | |
1279 | PCI_FUNC(hwif->pci_dev->devfn)); | |
1280 | #endif /* DEBUG */ | |
1281 | ||
836c0063 SS |
1282 | /* Serialize access to this device */ |
1283 | if (serialize && hwif->mate) | |
1da177e4 | 1284 | hwif->serialized = hwif->mate->serialized = 1; |
1da177e4 | 1285 | |
33b18a60 SS |
1286 | /* |
1287 | * Set up ioctl for power status. | |
1288 | * NOTE: power affects both drives on each channel. | |
1289 | */ | |
1290 | hwif->busproc = &hpt3xx_busproc; | |
1da177e4 LT |
1291 | |
1292 | if (!hwif->dma_base) { | |
1293 | hwif->drives[0].autotune = 1; | |
1294 | hwif->drives[1].autotune = 1; | |
1295 | return; | |
1296 | } | |
1297 | ||
1298 | hwif->ultra_mask = 0x7f; | |
1299 | hwif->mwdma_mask = 0x07; | |
1300 | ||
1301 | if (!(hwif->udma_four)) | |
1302 | hwif->udma_four = ((ata66 & regmask) ? 0 : 1); | |
1303 | hwif->ide_dma_check = &hpt366_config_drive_xfer_rate; | |
1304 | ||
b39b01ff | 1305 | if (info->revision >= 8) { |
1da177e4 LT |
1306 | hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq; |
1307 | hwif->ide_dma_end = &hpt374_ide_dma_end; | |
b39b01ff | 1308 | } else if (info->revision >= 5) { |
1da177e4 LT |
1309 | hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq; |
1310 | hwif->ide_dma_end = &hpt374_ide_dma_end; | |
b39b01ff | 1311 | } else if (info->revision >= 3) { |
1da177e4 LT |
1312 | hwif->dma_start = &hpt370_ide_dma_start; |
1313 | hwif->ide_dma_end = &hpt370_ide_dma_end; | |
1314 | hwif->ide_dma_timeout = &hpt370_ide_dma_timeout; | |
1315 | hwif->ide_dma_lostirq = &hpt370_ide_dma_lostirq; | |
b39b01ff | 1316 | } else if (info->revision >= 2) |
1da177e4 LT |
1317 | hwif->ide_dma_lostirq = &hpt366_ide_dma_lostirq; |
1318 | else | |
1319 | hwif->ide_dma_lostirq = &hpt366_ide_dma_lostirq; | |
1320 | ||
1321 | if (!noautodma) | |
1322 | hwif->autodma = 1; | |
1323 | hwif->drives[0].autodma = hwif->autodma; | |
1324 | hwif->drives[1].autodma = hwif->autodma; | |
1325 | } | |
1326 | ||
1327 | static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase) | |
1328 | { | |
b39b01ff | 1329 | struct hpt_info *info = ide_get_hwifdata(hwif); |
1da177e4 LT |
1330 | u8 masterdma = 0, slavedma = 0; |
1331 | u8 dma_new = 0, dma_old = 0; | |
1332 | u8 primary = hwif->channel ? 0x4b : 0x43; | |
1333 | u8 secondary = hwif->channel ? 0x4f : 0x47; | |
1334 | unsigned long flags; | |
1335 | ||
1336 | if (!dmabase) | |
1337 | return; | |
1338 | ||
b39b01ff | 1339 | if(info->speed == NULL) { |
90778574 SS |
1340 | printk(KERN_WARNING "%s: no known IDE timings, disabling DMA.\n", |
1341 | hwif->cds->name); | |
1da177e4 LT |
1342 | return; |
1343 | } | |
1344 | ||
1345 | dma_old = hwif->INB(dmabase+2); | |
1346 | ||
1347 | local_irq_save(flags); | |
1348 | ||
1349 | dma_new = dma_old; | |
1350 | pci_read_config_byte(hwif->pci_dev, primary, &masterdma); | |
1351 | pci_read_config_byte(hwif->pci_dev, secondary, &slavedma); | |
1352 | ||
1353 | if (masterdma & 0x30) dma_new |= 0x20; | |
1354 | if (slavedma & 0x30) dma_new |= 0x40; | |
1355 | if (dma_new != dma_old) | |
1356 | hwif->OUTB(dma_new, dmabase+2); | |
1357 | ||
1358 | local_irq_restore(flags); | |
1359 | ||
1360 | ide_setup_dma(hwif, dmabase, 8); | |
1361 | } | |
1362 | ||
b39b01ff AC |
1363 | /* |
1364 | * We "borrow" this hook in order to set the data structures | |
1365 | * up early enough before dma or init_hwif calls are made. | |
1366 | */ | |
1367 | ||
1368 | static void __devinit init_iops_hpt366(ide_hwif_t *hwif) | |
1369 | { | |
836c0063 SS |
1370 | struct hpt_info *info = kzalloc(sizeof(struct hpt_info), GFP_KERNEL); |
1371 | struct pci_dev *dev = hwif->pci_dev; | |
1372 | u16 did = dev->device; | |
e139b0b0 | 1373 | u8 mode, rid = 0; |
b39b01ff AC |
1374 | |
1375 | if(info == NULL) { | |
90778574 | 1376 | printk(KERN_WARNING "%s: out of memory.\n", hwif->cds->name); |
b39b01ff AC |
1377 | return; |
1378 | } | |
b39b01ff AC |
1379 | ide_set_hwifdata(hwif, info); |
1380 | ||
836c0063 SS |
1381 | /* Avoid doing the same thing twice. */ |
1382 | if (hwif->channel && hwif->mate) { | |
1383 | memcpy(info, ide_get_hwifdata(hwif->mate), sizeof(struct hpt_info)); | |
1384 | return; | |
b39b01ff AC |
1385 | } |
1386 | ||
e139b0b0 | 1387 | pci_read_config_byte(dev, PCI_REVISION_ID, &rid); |
836c0063 SS |
1388 | |
1389 | if (( did == PCI_DEVICE_ID_TTI_HPT366 && rid == 6) || | |
1390 | ((did == PCI_DEVICE_ID_TTI_HPT372 || | |
1391 | did == PCI_DEVICE_ID_TTI_HPT302 || | |
1392 | did == PCI_DEVICE_ID_TTI_HPT371) && rid > 1) || | |
1393 | did == PCI_DEVICE_ID_TTI_HPT372N) | |
1394 | info->flags |= IS_3xxN; | |
1395 | ||
e139b0b0 SS |
1396 | rid = info->revision = hpt_revision(dev); |
1397 | if (rid >= 8) /* HPT374 */ | |
1398 | mode = HPT374_ALLOW_ATA133_6 ? 4 : 3; | |
1399 | else if (rid >= 7) /* HPT371 and HPT371N */ | |
1400 | mode = HPT371_ALLOW_ATA133_6 ? 4 : 3; | |
1401 | else if (rid >= 6) /* HPT302 and HPT302N */ | |
1402 | mode = HPT302_ALLOW_ATA133_6 ? 4 : 3; | |
1403 | else if (rid >= 5) /* HPT372, HPT372A, and HPT372N */ | |
1404 | mode = HPT372_ALLOW_ATA133_6 ? 4 : 3; | |
1405 | else if (rid >= 3) /* HPT370 and HPT370A */ | |
1406 | mode = HPT370_ALLOW_ATA100_5 ? 3 : 2; | |
1407 | else /* HPT366 and HPT368 */ | |
1408 | mode = (HPT366_ALLOW_ATA66_4 || HPT366_ALLOW_ATA66_3) ? 2 : 1; | |
1409 | info->max_mode = mode; | |
1410 | ||
1411 | if (rid >= 3) | |
b39b01ff AC |
1412 | hpt37x_clocking(hwif); |
1413 | else | |
1414 | hpt366_clocking(hwif); | |
1415 | } | |
1416 | ||
1da177e4 LT |
1417 | static int __devinit init_setup_hpt374(struct pci_dev *dev, ide_pci_device_t *d) |
1418 | { | |
1419 | struct pci_dev *findev = NULL; | |
1420 | ||
1421 | if (PCI_FUNC(dev->devfn) & 1) | |
1422 | return -ENODEV; | |
1423 | ||
1424 | while ((findev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { | |
1425 | if ((findev->vendor == dev->vendor) && | |
1426 | (findev->device == dev->device) && | |
1427 | ((findev->devfn - dev->devfn) == 1) && | |
1428 | (PCI_FUNC(findev->devfn) & 1)) { | |
1429 | if (findev->irq != dev->irq) { | |
1430 | /* FIXME: we need a core pci_set_interrupt() */ | |
1431 | findev->irq = dev->irq; | |
1432 | printk(KERN_WARNING "%s: pci-config space interrupt " | |
1433 | "fixed.\n", d->name); | |
1434 | } | |
1435 | return ide_setup_pci_devices(dev, findev, d); | |
1436 | } | |
1437 | } | |
1438 | return ide_setup_pci_device(dev, d); | |
1439 | } | |
1440 | ||
90778574 | 1441 | static int __devinit init_setup_hpt372n(struct pci_dev *dev, ide_pci_device_t *d) |
1da177e4 LT |
1442 | { |
1443 | return ide_setup_pci_device(dev, d); | |
1444 | } | |
1445 | ||
836c0063 SS |
1446 | static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d) |
1447 | { | |
90778574 SS |
1448 | u8 rev = 0, mcr1 = 0; |
1449 | ||
1450 | pci_read_config_byte(dev, PCI_REVISION_ID, &rev); | |
1451 | ||
1452 | if (rev > 1) | |
1453 | d->name = "HPT371N"; | |
836c0063 SS |
1454 | |
1455 | /* | |
1456 | * HPT371 chips physically have only one channel, the secondary one, | |
1457 | * but the primary channel registers do exist! Go figure... | |
1458 | * So, we manually disable the non-existing channel here | |
1459 | * (if the BIOS hasn't done this already). | |
1460 | */ | |
1461 | pci_read_config_byte(dev, 0x50, &mcr1); | |
1462 | if (mcr1 & 0x04) | |
90778574 SS |
1463 | pci_write_config_byte(dev, 0x50, mcr1 & ~0x04); |
1464 | ||
1465 | return ide_setup_pci_device(dev, d); | |
1466 | } | |
1467 | ||
1468 | static int __devinit init_setup_hpt372a(struct pci_dev *dev, ide_pci_device_t *d) | |
1469 | { | |
1470 | u8 rev = 0; | |
1471 | ||
1472 | pci_read_config_byte(dev, PCI_REVISION_ID, &rev); | |
1473 | ||
1474 | if (rev > 1) | |
1475 | d->name = "HPT372N"; | |
1476 | ||
1477 | return ide_setup_pci_device(dev, d); | |
1478 | } | |
1479 | ||
1480 | static int __devinit init_setup_hpt302(struct pci_dev *dev, ide_pci_device_t *d) | |
1481 | { | |
1482 | u8 rev = 0; | |
1483 | ||
1484 | pci_read_config_byte(dev, PCI_REVISION_ID, &rev); | |
1485 | ||
1486 | if (rev > 1) | |
1487 | d->name = "HPT302N"; | |
836c0063 SS |
1488 | |
1489 | return ide_setup_pci_device(dev, d); | |
1490 | } | |
1491 | ||
1da177e4 LT |
1492 | static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d) |
1493 | { | |
1494 | struct pci_dev *findev = NULL; | |
e139b0b0 | 1495 | u8 rev = 0, pin1 = 0, pin2 = 0; |
90778574 SS |
1496 | static char *chipset_names[] = { "HPT366", "HPT366", "HPT368", |
1497 | "HPT370", "HPT370A", "HPT372", | |
1498 | "HPT372N" }; | |
1da177e4 LT |
1499 | |
1500 | if (PCI_FUNC(dev->devfn) & 1) | |
1501 | return -ENODEV; | |
1502 | ||
e139b0b0 | 1503 | pci_read_config_byte(dev, PCI_REVISION_ID, &rev); |
1da177e4 | 1504 | |
90778574 | 1505 | if (rev > 6) |
e139b0b0 | 1506 | rev = 6; |
1da177e4 | 1507 | |
90778574 | 1508 | d->name = chipset_names[rev]; |
1da177e4 | 1509 | |
90778574 SS |
1510 | if (rev > 2) |
1511 | goto init_single; | |
1da177e4 LT |
1512 | |
1513 | d->channels = 1; | |
1514 | ||
1515 | pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1); | |
1516 | while ((findev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { | |
1517 | if ((findev->vendor == dev->vendor) && | |
1518 | (findev->device == dev->device) && | |
1519 | ((findev->devfn - dev->devfn) == 1) && | |
1520 | (PCI_FUNC(findev->devfn) & 1)) { | |
1521 | pci_read_config_byte(findev, PCI_INTERRUPT_PIN, &pin2); | |
1522 | if ((pin1 != pin2) && (dev->irq == findev->irq)) { | |
1523 | d->bootable = ON_BOARD; | |
1524 | printk("%s: onboard version of chipset, " | |
1525 | "pin1=%d pin2=%d\n", d->name, | |
1526 | pin1, pin2); | |
1527 | } | |
1528 | return ide_setup_pci_devices(dev, findev, d); | |
1529 | } | |
1530 | } | |
1531 | init_single: | |
1532 | return ide_setup_pci_device(dev, d); | |
1533 | } | |
1534 | ||
1535 | static ide_pci_device_t hpt366_chipsets[] __devinitdata = { | |
1536 | { /* 0 */ | |
1537 | .name = "HPT366", | |
1538 | .init_setup = init_setup_hpt366, | |
1539 | .init_chipset = init_chipset_hpt366, | |
b39b01ff | 1540 | .init_iops = init_iops_hpt366, |
1da177e4 LT |
1541 | .init_hwif = init_hwif_hpt366, |
1542 | .init_dma = init_dma_hpt366, | |
1543 | .channels = 2, | |
1544 | .autodma = AUTODMA, | |
1545 | .bootable = OFF_BOARD, | |
1546 | .extra = 240 | |
1547 | },{ /* 1 */ | |
1548 | .name = "HPT372A", | |
90778574 | 1549 | .init_setup = init_setup_hpt372a, |
1da177e4 | 1550 | .init_chipset = init_chipset_hpt366, |
b39b01ff | 1551 | .init_iops = init_iops_hpt366, |
1da177e4 LT |
1552 | .init_hwif = init_hwif_hpt366, |
1553 | .init_dma = init_dma_hpt366, | |
1554 | .channels = 2, | |
1555 | .autodma = AUTODMA, | |
1556 | .bootable = OFF_BOARD, | |
90778574 | 1557 | .extra = 240 |
1da177e4 LT |
1558 | },{ /* 2 */ |
1559 | .name = "HPT302", | |
90778574 | 1560 | .init_setup = init_setup_hpt302, |
1da177e4 | 1561 | .init_chipset = init_chipset_hpt366, |
b39b01ff | 1562 | .init_iops = init_iops_hpt366, |
1da177e4 LT |
1563 | .init_hwif = init_hwif_hpt366, |
1564 | .init_dma = init_dma_hpt366, | |
1565 | .channels = 2, | |
1566 | .autodma = AUTODMA, | |
1567 | .bootable = OFF_BOARD, | |
90778574 | 1568 | .extra = 240 |
1da177e4 LT |
1569 | },{ /* 3 */ |
1570 | .name = "HPT371", | |
836c0063 | 1571 | .init_setup = init_setup_hpt371, |
1da177e4 | 1572 | .init_chipset = init_chipset_hpt366, |
b39b01ff | 1573 | .init_iops = init_iops_hpt366, |
1da177e4 LT |
1574 | .init_hwif = init_hwif_hpt366, |
1575 | .init_dma = init_dma_hpt366, | |
1576 | .channels = 2, | |
1577 | .autodma = AUTODMA, | |
836c0063 | 1578 | .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, |
1da177e4 | 1579 | .bootable = OFF_BOARD, |
90778574 | 1580 | .extra = 240 |
1da177e4 LT |
1581 | },{ /* 4 */ |
1582 | .name = "HPT374", | |
1583 | .init_setup = init_setup_hpt374, | |
1584 | .init_chipset = init_chipset_hpt366, | |
b39b01ff | 1585 | .init_iops = init_iops_hpt366, |
1da177e4 LT |
1586 | .init_hwif = init_hwif_hpt366, |
1587 | .init_dma = init_dma_hpt366, | |
1588 | .channels = 2, /* 4 */ | |
1589 | .autodma = AUTODMA, | |
1590 | .bootable = OFF_BOARD, | |
90778574 | 1591 | .extra = 240 |
1da177e4 LT |
1592 | },{ /* 5 */ |
1593 | .name = "HPT372N", | |
90778574 | 1594 | .init_setup = init_setup_hpt372n, |
1da177e4 | 1595 | .init_chipset = init_chipset_hpt366, |
b39b01ff | 1596 | .init_iops = init_iops_hpt366, |
1da177e4 LT |
1597 | .init_hwif = init_hwif_hpt366, |
1598 | .init_dma = init_dma_hpt366, | |
1599 | .channels = 2, /* 4 */ | |
1600 | .autodma = AUTODMA, | |
1601 | .bootable = OFF_BOARD, | |
90778574 | 1602 | .extra = 240 |
1da177e4 LT |
1603 | } |
1604 | }; | |
1605 | ||
1606 | /** | |
1607 | * hpt366_init_one - called when an HPT366 is found | |
1608 | * @dev: the hpt366 device | |
1609 | * @id: the matching pci id | |
1610 | * | |
1611 | * Called when the PCI registration layer (or the IDE initialization) | |
1612 | * finds a device matching our IDE device tables. | |
73d1dd93 SS |
1613 | * |
1614 | * NOTE: since we'll have to modify some fields of the ide_pci_device_t | |
1615 | * structure depending on the chip's revision, we'd better pass a local | |
1616 | * copy down the call chain... | |
1da177e4 | 1617 | */ |
1da177e4 LT |
1618 | static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
1619 | { | |
73d1dd93 | 1620 | ide_pci_device_t d = hpt366_chipsets[id->driver_data]; |
1da177e4 | 1621 | |
73d1dd93 | 1622 | return d.init_setup(dev, &d); |
1da177e4 LT |
1623 | } |
1624 | ||
1625 | static struct pci_device_id hpt366_pci_tbl[] = { | |
1626 | { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT366, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1627 | { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT372, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, | |
1628 | { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, | |
1629 | { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, | |
1630 | { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT374, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, | |
1631 | { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT372N, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, | |
1632 | { 0, }, | |
1633 | }; | |
1634 | MODULE_DEVICE_TABLE(pci, hpt366_pci_tbl); | |
1635 | ||
1636 | static struct pci_driver driver = { | |
1637 | .name = "HPT366_IDE", | |
1638 | .id_table = hpt366_pci_tbl, | |
1639 | .probe = hpt366_init_one, | |
1640 | }; | |
1641 | ||
82ab1eec | 1642 | static int __init hpt366_ide_init(void) |
1da177e4 LT |
1643 | { |
1644 | return ide_pci_register_driver(&driver); | |
1645 | } | |
1646 | ||
1647 | module_init(hpt366_ide_init); | |
1648 | ||
1649 | MODULE_AUTHOR("Andre Hedrick"); | |
1650 | MODULE_DESCRIPTION("PCI driver module for Highpoint HPT366 IDE"); | |
1651 | MODULE_LICENSE("GPL"); |