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6ee73861 BS |
1 | /* |
2 | * Copyright 2005-2006 Erik Waling | |
3 | * Copyright 2006 Stephane Marchesin | |
4 | * Copyright 2007-2009 Stuart Bennett | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
20 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF | |
21 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
22 | * SOFTWARE. | |
23 | */ | |
24 | ||
77145f1c | 25 | #include <subdev/bios.h> |
6ee73861 | 26 | |
612a9aab | 27 | #include <drm/drmP.h> |
b715d640 | 28 | |
77145f1c BS |
29 | #include "nouveau_drm.h" |
30 | #include "nouveau_reg.h" | |
6ee73861 | 31 | #include "nouveau_hw.h" |
25908b77 | 32 | #include "nouveau_encoder.h" |
b715d640 | 33 | |
67eda20e | 34 | #include <linux/io-mapping.h> |
78339fb7 | 35 | #include <linux/firmware.h> |
b715d640 | 36 | |
6ee73861 BS |
37 | /* these defines are made up */ |
38 | #define NV_CIO_CRE_44_HEADA 0x0 | |
39 | #define NV_CIO_CRE_44_HEADB 0x3 | |
40 | #define FEATURE_MOBILE 0x10 /* also FEATURE_QUADRO for BMP */ | |
b715d640 | 41 | |
6ee73861 | 42 | #define EDID1_LEN 128 |
b715d640 | 43 | |
6ee73861 BS |
44 | #define BIOSLOG(sip, fmt, arg...) NV_DEBUG(sip->dev, fmt, ##arg) |
45 | #define LOG_OLD_VALUE(x) | |
b715d640 | 46 | |
6ee73861 BS |
47 | struct init_exec { |
48 | bool execute; | |
49 | bool repeat; | |
6ee73861 BS |
50 | }; |
51 | ||
6ee73861 | 52 | static bool nv_cksum(const uint8_t *data, unsigned int length) |
6ee73861 BS |
53 | { |
54 | /* | |
6ee73861 BS |
55 | * There's a few checksums in the BIOS, so here's a generic checking |
56 | * function. | |
6ee73861 | 57 | */ |
6ee73861 BS |
58 | int i; |
59 | uint8_t sum = 0; | |
6ee73861 | 60 | |
6ee73861 BS |
61 | for (i = 0; i < length; i++) |
62 | sum += data[i]; | |
6ee73861 | 63 | |
6ee73861 BS |
64 | if (sum) |
65 | return true; | |
6ee73861 | 66 | |
6ee73861 | 67 | return false; |
6ee73861 BS |
68 | } |
69 | ||
70 | static uint16_t clkcmptable(struct nvbios *bios, uint16_t clktable, int pxclk) | |
71 | { | |
72 | int compare_record_len, i = 0; | |
73 | uint16_t compareclk, scriptptr = 0; | |
74 | ||
75 | if (bios->major_version < 5) /* pre BIT */ | |
76 | compare_record_len = 3; | |
77 | else | |
78 | compare_record_len = 4; | |
79 | ||
80 | do { | |
81 | compareclk = ROM16(bios->data[clktable + compare_record_len * i]); | |
82 | if (pxclk >= compareclk * 10) { | |
83 | if (bios->major_version < 5) { | |
84 | uint8_t tmdssub = bios->data[clktable + 2 + compare_record_len * i]; | |
85 | scriptptr = ROM16(bios->data[bios->init_script_tbls_ptr + tmdssub * 2]); | |
86 | } else | |
87 | scriptptr = ROM16(bios->data[clktable + 2 + compare_record_len * i]); | |
88 | break; | |
89 | } | |
90 | i++; | |
91 | } while (compareclk); | |
92 | ||
93 | return scriptptr; | |
94 | } | |
95 | ||
96 | static void | |
97 | run_digital_op_script(struct drm_device *dev, uint16_t scriptptr, | |
cb75d97e | 98 | struct dcb_output *dcbent, int head, bool dl) |
6ee73861 | 99 | { |
77145f1c | 100 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 | 101 | |
77145f1c | 102 | NV_INFO(drm, "0x%04X: Parsing digital output script table\n", |
6ee73861 | 103 | scriptptr); |
cb75d97e BS |
104 | NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_44, head ? NV_CIO_CRE_44_HEADB : |
105 | NV_CIO_CRE_44_HEADA); | |
106 | nouveau_bios_run_init_table(dev, scriptptr, dcbent, head); | |
6ee73861 BS |
107 | |
108 | nv04_dfp_bind_head(dev, dcbent, head, dl); | |
109 | } | |
110 | ||
cb75d97e | 111 | static int call_lvds_manufacturer_script(struct drm_device *dev, struct dcb_output *dcbent, int head, enum LVDS_script script) |
6ee73861 | 112 | { |
77145f1c BS |
113 | struct nouveau_drm *drm = nouveau_drm(dev); |
114 | struct nvbios *bios = &drm->vbios; | |
cb75d97e | 115 | uint8_t sub = bios->data[bios->fp.xlated_entry + script] + (bios->fp.link_c_increment && dcbent->or & DCB_OUTPUT_C ? 1 : 0); |
6ee73861 BS |
116 | uint16_t scriptofs = ROM16(bios->data[bios->init_script_tbls_ptr + sub * 2]); |
117 | ||
118 | if (!bios->fp.xlated_entry || !sub || !scriptofs) | |
119 | return -EINVAL; | |
120 | ||
121 | run_digital_op_script(dev, scriptofs, dcbent, head, bios->fp.dual_link); | |
122 | ||
123 | if (script == LVDS_PANEL_OFF) { | |
124 | /* off-on delay in ms */ | |
c7ca4d1b | 125 | mdelay(ROM16(bios->data[bios->fp.xlated_entry + 7])); |
6ee73861 BS |
126 | } |
127 | #ifdef __powerpc__ | |
128 | /* Powerbook specific quirks */ | |
d31e078d FJ |
129 | if (script == LVDS_RESET && |
130 | (dev->pci_device == 0x0179 || dev->pci_device == 0x0189 || | |
131 | dev->pci_device == 0x0329)) | |
132 | nv_write_tmds(dev, dcbent->or, 0, 0x02, 0x72); | |
6ee73861 BS |
133 | #endif |
134 | ||
135 | return 0; | |
136 | } | |
137 | ||
cb75d97e | 138 | static int run_lvds_table(struct drm_device *dev, struct dcb_output *dcbent, int head, enum LVDS_script script, int pxclk) |
6ee73861 BS |
139 | { |
140 | /* | |
141 | * The BIT LVDS table's header has the information to setup the | |
142 | * necessary registers. Following the standard 4 byte header are: | |
143 | * A bitmask byte and a dual-link transition pxclk value for use in | |
144 | * selecting the init script when not using straps; 4 script pointers | |
145 | * for panel power, selected by output and on/off; and 8 table pointers | |
146 | * for panel init, the needed one determined by output, and bits in the | |
147 | * conf byte. These tables are similar to the TMDS tables, consisting | |
148 | * of a list of pxclks and script pointers. | |
149 | */ | |
77145f1c BS |
150 | struct nouveau_drm *drm = nouveau_drm(dev); |
151 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
152 | unsigned int outputset = (dcbent->or == 4) ? 1 : 0; |
153 | uint16_t scriptptr = 0, clktable; | |
6ee73861 BS |
154 | |
155 | /* | |
156 | * For now we assume version 3.0 table - g80 support will need some | |
157 | * changes | |
158 | */ | |
159 | ||
160 | switch (script) { | |
161 | case LVDS_INIT: | |
162 | return -ENOSYS; | |
163 | case LVDS_BACKLIGHT_ON: | |
164 | case LVDS_PANEL_ON: | |
165 | scriptptr = ROM16(bios->data[bios->fp.lvdsmanufacturerpointer + 7 + outputset * 2]); | |
166 | break; | |
167 | case LVDS_BACKLIGHT_OFF: | |
168 | case LVDS_PANEL_OFF: | |
169 | scriptptr = ROM16(bios->data[bios->fp.lvdsmanufacturerpointer + 11 + outputset * 2]); | |
170 | break; | |
171 | case LVDS_RESET: | |
f3bbb9cc BS |
172 | clktable = bios->fp.lvdsmanufacturerpointer + 15; |
173 | if (dcbent->or == 4) | |
174 | clktable += 8; | |
175 | ||
6ee73861 BS |
176 | if (dcbent->lvdsconf.use_straps_for_mode) { |
177 | if (bios->fp.dual_link) | |
f3bbb9cc BS |
178 | clktable += 4; |
179 | if (bios->fp.if_is_24bit) | |
180 | clktable += 2; | |
6ee73861 BS |
181 | } else { |
182 | /* using EDID */ | |
f3bbb9cc | 183 | int cmpval_24bit = (dcbent->or == 4) ? 4 : 1; |
6ee73861 BS |
184 | |
185 | if (bios->fp.dual_link) { | |
f3bbb9cc BS |
186 | clktable += 4; |
187 | cmpval_24bit <<= 1; | |
6ee73861 | 188 | } |
f3bbb9cc BS |
189 | |
190 | if (bios->fp.strapless_is_24bit & cmpval_24bit) | |
191 | clktable += 2; | |
6ee73861 BS |
192 | } |
193 | ||
f3bbb9cc | 194 | clktable = ROM16(bios->data[clktable]); |
6ee73861 | 195 | if (!clktable) { |
77145f1c | 196 | NV_ERROR(drm, "Pixel clock comparison table not found\n"); |
6ee73861 BS |
197 | return -ENOENT; |
198 | } | |
199 | scriptptr = clkcmptable(bios, clktable, pxclk); | |
200 | } | |
201 | ||
202 | if (!scriptptr) { | |
77145f1c | 203 | NV_ERROR(drm, "LVDS output init script not found\n"); |
6ee73861 BS |
204 | return -ENOENT; |
205 | } | |
206 | run_digital_op_script(dev, scriptptr, dcbent, head, bios->fp.dual_link); | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
cb75d97e | 211 | int call_lvds_script(struct drm_device *dev, struct dcb_output *dcbent, int head, enum LVDS_script script, int pxclk) |
6ee73861 BS |
212 | { |
213 | /* | |
214 | * LVDS operations are multiplexed in an effort to present a single API | |
215 | * which works with two vastly differing underlying structures. | |
216 | * This acts as the demux | |
217 | */ | |
218 | ||
77145f1c BS |
219 | struct nouveau_drm *drm = nouveau_drm(dev); |
220 | struct nouveau_device *device = nv_device(drm->device); | |
221 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
222 | uint8_t lvds_ver = bios->data[bios->fp.lvdsmanufacturerpointer]; |
223 | uint32_t sel_clk_binding, sel_clk; | |
224 | int ret; | |
225 | ||
226 | if (bios->fp.last_script_invoc == (script << 1 | head) || !lvds_ver || | |
227 | (lvds_ver >= 0x30 && script == LVDS_INIT)) | |
228 | return 0; | |
229 | ||
230 | if (!bios->fp.lvds_init_run) { | |
231 | bios->fp.lvds_init_run = true; | |
232 | call_lvds_script(dev, dcbent, head, LVDS_INIT, pxclk); | |
233 | } | |
234 | ||
235 | if (script == LVDS_PANEL_ON && bios->fp.reset_after_pclk_change) | |
236 | call_lvds_script(dev, dcbent, head, LVDS_RESET, pxclk); | |
237 | if (script == LVDS_RESET && bios->fp.power_off_for_reset) | |
238 | call_lvds_script(dev, dcbent, head, LVDS_PANEL_OFF, pxclk); | |
239 | ||
77145f1c | 240 | NV_INFO(drm, "Calling LVDS script %d:\n", script); |
6ee73861 BS |
241 | |
242 | /* don't let script change pll->head binding */ | |
77145f1c | 243 | sel_clk_binding = nv_rd32(device, NV_PRAMDAC_SEL_CLK) & 0x50000; |
6ee73861 BS |
244 | |
245 | if (lvds_ver < 0x30) | |
246 | ret = call_lvds_manufacturer_script(dev, dcbent, head, script); | |
247 | else | |
248 | ret = run_lvds_table(dev, dcbent, head, script, pxclk); | |
249 | ||
250 | bios->fp.last_script_invoc = (script << 1 | head); | |
251 | ||
252 | sel_clk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK) & ~0x50000; | |
253 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, sel_clk | sel_clk_binding); | |
254 | /* some scripts set a value in NV_PBUS_POWERCTRL_2 and break video overlay */ | |
77145f1c | 255 | nv_wr32(device, NV_PBUS_POWERCTRL_2, 0); |
6ee73861 BS |
256 | |
257 | return ret; | |
258 | } | |
259 | ||
260 | struct lvdstableheader { | |
261 | uint8_t lvds_ver, headerlen, recordlen; | |
262 | }; | |
263 | ||
264 | static int parse_lvds_manufacturer_table_header(struct drm_device *dev, struct nvbios *bios, struct lvdstableheader *lth) | |
265 | { | |
266 | /* | |
267 | * BMP version (0xa) LVDS table has a simple header of version and | |
268 | * record length. The BIT LVDS table has the typical BIT table header: | |
269 | * version byte, header length byte, record length byte, and a byte for | |
270 | * the maximum number of records that can be held in the table. | |
271 | */ | |
272 | ||
77145f1c | 273 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
274 | uint8_t lvds_ver, headerlen, recordlen; |
275 | ||
276 | memset(lth, 0, sizeof(struct lvdstableheader)); | |
277 | ||
278 | if (bios->fp.lvdsmanufacturerpointer == 0x0) { | |
77145f1c | 279 | NV_ERROR(drm, "Pointer to LVDS manufacturer table invalid\n"); |
6ee73861 BS |
280 | return -EINVAL; |
281 | } | |
282 | ||
283 | lvds_ver = bios->data[bios->fp.lvdsmanufacturerpointer]; | |
284 | ||
285 | switch (lvds_ver) { | |
286 | case 0x0a: /* pre NV40 */ | |
287 | headerlen = 2; | |
288 | recordlen = bios->data[bios->fp.lvdsmanufacturerpointer + 1]; | |
289 | break; | |
290 | case 0x30: /* NV4x */ | |
291 | headerlen = bios->data[bios->fp.lvdsmanufacturerpointer + 1]; | |
292 | if (headerlen < 0x1f) { | |
77145f1c | 293 | NV_ERROR(drm, "LVDS table header not understood\n"); |
6ee73861 BS |
294 | return -EINVAL; |
295 | } | |
296 | recordlen = bios->data[bios->fp.lvdsmanufacturerpointer + 2]; | |
297 | break; | |
298 | case 0x40: /* G80/G90 */ | |
299 | headerlen = bios->data[bios->fp.lvdsmanufacturerpointer + 1]; | |
300 | if (headerlen < 0x7) { | |
77145f1c | 301 | NV_ERROR(drm, "LVDS table header not understood\n"); |
6ee73861 BS |
302 | return -EINVAL; |
303 | } | |
304 | recordlen = bios->data[bios->fp.lvdsmanufacturerpointer + 2]; | |
305 | break; | |
306 | default: | |
77145f1c | 307 | NV_ERROR(drm, |
6ee73861 BS |
308 | "LVDS table revision %d.%d not currently supported\n", |
309 | lvds_ver >> 4, lvds_ver & 0xf); | |
310 | return -ENOSYS; | |
311 | } | |
312 | ||
313 | lth->lvds_ver = lvds_ver; | |
314 | lth->headerlen = headerlen; | |
315 | lth->recordlen = recordlen; | |
316 | ||
317 | return 0; | |
318 | } | |
319 | ||
320 | static int | |
321 | get_fp_strap(struct drm_device *dev, struct nvbios *bios) | |
322 | { | |
77145f1c | 323 | struct nouveau_device *device = nouveau_dev(dev); |
6ee73861 BS |
324 | |
325 | /* | |
326 | * The fp strap is normally dictated by the "User Strap" in | |
327 | * PEXTDEV_BOOT_0[20:16], but on BMP cards when bit 2 of the | |
328 | * Internal_Flags struct at 0x48 is set, the user strap gets overriden | |
329 | * by the PCI subsystem ID during POST, but not before the previous user | |
330 | * strap has been committed to CR58 for CR57=0xf on head A, which may be | |
331 | * read and used instead | |
332 | */ | |
333 | ||
334 | if (bios->major_version < 5 && bios->data[0x48] & 0x4) | |
335 | return NVReadVgaCrtc5758(dev, 0, 0xf) & 0xf; | |
336 | ||
77145f1c BS |
337 | if (device->card_type >= NV_50) |
338 | return (nv_rd32(device, NV_PEXTDEV_BOOT_0) >> 24) & 0xf; | |
6ee73861 | 339 | else |
77145f1c | 340 | return (nv_rd32(device, NV_PEXTDEV_BOOT_0) >> 16) & 0xf; |
6ee73861 BS |
341 | } |
342 | ||
343 | static int parse_fp_mode_table(struct drm_device *dev, struct nvbios *bios) | |
344 | { | |
77145f1c | 345 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
346 | uint8_t *fptable; |
347 | uint8_t fptable_ver, headerlen = 0, recordlen, fpentries = 0xf, fpindex; | |
348 | int ret, ofs, fpstrapping; | |
349 | struct lvdstableheader lth; | |
350 | ||
351 | if (bios->fp.fptablepointer == 0x0) { | |
352 | /* Apple cards don't have the fp table; the laptops use DDC */ | |
353 | /* The table is also missing on some x86 IGPs */ | |
354 | #ifndef __powerpc__ | |
77145f1c | 355 | NV_ERROR(drm, "Pointer to flat panel table invalid\n"); |
6ee73861 | 356 | #endif |
04a39c57 | 357 | bios->digital_min_front_porch = 0x4b; |
6ee73861 BS |
358 | return 0; |
359 | } | |
360 | ||
361 | fptable = &bios->data[bios->fp.fptablepointer]; | |
362 | fptable_ver = fptable[0]; | |
363 | ||
364 | switch (fptable_ver) { | |
365 | /* | |
366 | * BMP version 0x5.0x11 BIOSen have version 1 like tables, but no | |
367 | * version field, and miss one of the spread spectrum/PWM bytes. | |
368 | * This could affect early GF2Go parts (not seen any appropriate ROMs | |
369 | * though). Here we assume that a version of 0x05 matches this case | |
370 | * (combining with a BMP version check would be better), as the | |
371 | * common case for the panel type field is 0x0005, and that is in | |
372 | * fact what we are reading the first byte of. | |
373 | */ | |
374 | case 0x05: /* some NV10, 11, 15, 16 */ | |
375 | recordlen = 42; | |
376 | ofs = -1; | |
377 | break; | |
378 | case 0x10: /* some NV15/16, and NV11+ */ | |
379 | recordlen = 44; | |
380 | ofs = 0; | |
381 | break; | |
382 | case 0x20: /* NV40+ */ | |
383 | headerlen = fptable[1]; | |
384 | recordlen = fptable[2]; | |
385 | fpentries = fptable[3]; | |
386 | /* | |
387 | * fptable[4] is the minimum | |
388 | * RAMDAC_FP_HCRTC -> RAMDAC_FP_HSYNC_START gap | |
389 | */ | |
04a39c57 | 390 | bios->digital_min_front_porch = fptable[4]; |
6ee73861 BS |
391 | ofs = -7; |
392 | break; | |
393 | default: | |
77145f1c | 394 | NV_ERROR(drm, |
6ee73861 BS |
395 | "FP table revision %d.%d not currently supported\n", |
396 | fptable_ver >> 4, fptable_ver & 0xf); | |
397 | return -ENOSYS; | |
398 | } | |
399 | ||
400 | if (!bios->is_mobile) /* !mobile only needs digital_min_front_porch */ | |
401 | return 0; | |
402 | ||
403 | ret = parse_lvds_manufacturer_table_header(dev, bios, <h); | |
404 | if (ret) | |
405 | return ret; | |
406 | ||
407 | if (lth.lvds_ver == 0x30 || lth.lvds_ver == 0x40) { | |
408 | bios->fp.fpxlatetableptr = bios->fp.lvdsmanufacturerpointer + | |
409 | lth.headerlen + 1; | |
410 | bios->fp.xlatwidth = lth.recordlen; | |
411 | } | |
412 | if (bios->fp.fpxlatetableptr == 0x0) { | |
77145f1c | 413 | NV_ERROR(drm, "Pointer to flat panel xlat table invalid\n"); |
6ee73861 BS |
414 | return -EINVAL; |
415 | } | |
416 | ||
417 | fpstrapping = get_fp_strap(dev, bios); | |
418 | ||
419 | fpindex = bios->data[bios->fp.fpxlatetableptr + | |
420 | fpstrapping * bios->fp.xlatwidth]; | |
421 | ||
422 | if (fpindex > fpentries) { | |
77145f1c | 423 | NV_ERROR(drm, "Bad flat panel table index\n"); |
6ee73861 BS |
424 | return -ENOENT; |
425 | } | |
426 | ||
427 | /* nv4x cards need both a strap value and fpindex of 0xf to use DDC */ | |
428 | if (lth.lvds_ver > 0x10) | |
04a39c57 | 429 | bios->fp_no_ddc = fpstrapping != 0xf || fpindex != 0xf; |
6ee73861 BS |
430 | |
431 | /* | |
432 | * If either the strap or xlated fpindex value are 0xf there is no | |
433 | * panel using a strap-derived bios mode present. this condition | |
434 | * includes, but is different from, the DDC panel indicator above | |
435 | */ | |
436 | if (fpstrapping == 0xf || fpindex == 0xf) | |
437 | return 0; | |
438 | ||
439 | bios->fp.mode_ptr = bios->fp.fptablepointer + headerlen + | |
440 | recordlen * fpindex + ofs; | |
441 | ||
77145f1c | 442 | NV_INFO(drm, "BIOS FP mode: %dx%d (%dkHz pixel clock)\n", |
6ee73861 BS |
443 | ROM16(bios->data[bios->fp.mode_ptr + 11]) + 1, |
444 | ROM16(bios->data[bios->fp.mode_ptr + 25]) + 1, | |
445 | ROM16(bios->data[bios->fp.mode_ptr + 7]) * 10); | |
446 | ||
447 | return 0; | |
448 | } | |
449 | ||
450 | bool nouveau_bios_fp_mode(struct drm_device *dev, struct drm_display_mode *mode) | |
451 | { | |
77145f1c BS |
452 | struct nouveau_drm *drm = nouveau_drm(dev); |
453 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
454 | uint8_t *mode_entry = &bios->data[bios->fp.mode_ptr]; |
455 | ||
456 | if (!mode) /* just checking whether we can produce a mode */ | |
457 | return bios->fp.mode_ptr; | |
458 | ||
459 | memset(mode, 0, sizeof(struct drm_display_mode)); | |
460 | /* | |
461 | * For version 1.0 (version in byte 0): | |
462 | * bytes 1-2 are "panel type", including bits on whether Colour/mono, | |
463 | * single/dual link, and type (TFT etc.) | |
464 | * bytes 3-6 are bits per colour in RGBX | |
465 | */ | |
466 | mode->clock = ROM16(mode_entry[7]) * 10; | |
467 | /* bytes 9-10 is HActive */ | |
468 | mode->hdisplay = ROM16(mode_entry[11]) + 1; | |
469 | /* | |
470 | * bytes 13-14 is HValid Start | |
471 | * bytes 15-16 is HValid End | |
472 | */ | |
473 | mode->hsync_start = ROM16(mode_entry[17]) + 1; | |
474 | mode->hsync_end = ROM16(mode_entry[19]) + 1; | |
475 | mode->htotal = ROM16(mode_entry[21]) + 1; | |
476 | /* bytes 23-24, 27-30 similarly, but vertical */ | |
477 | mode->vdisplay = ROM16(mode_entry[25]) + 1; | |
478 | mode->vsync_start = ROM16(mode_entry[31]) + 1; | |
479 | mode->vsync_end = ROM16(mode_entry[33]) + 1; | |
480 | mode->vtotal = ROM16(mode_entry[35]) + 1; | |
481 | mode->flags |= (mode_entry[37] & 0x10) ? | |
482 | DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; | |
483 | mode->flags |= (mode_entry[37] & 0x1) ? | |
484 | DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; | |
485 | /* | |
486 | * bytes 38-39 relate to spread spectrum settings | |
487 | * bytes 40-43 are something to do with PWM | |
488 | */ | |
489 | ||
490 | mode->status = MODE_OK; | |
491 | mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; | |
492 | drm_mode_set_name(mode); | |
493 | return bios->fp.mode_ptr; | |
494 | } | |
495 | ||
496 | int nouveau_bios_parse_lvds_table(struct drm_device *dev, int pxclk, bool *dl, bool *if_is_24bit) | |
497 | { | |
498 | /* | |
499 | * The LVDS table header is (mostly) described in | |
500 | * parse_lvds_manufacturer_table_header(): the BIT header additionally | |
501 | * contains the dual-link transition pxclk (in 10s kHz), at byte 5 - if | |
502 | * straps are not being used for the panel, this specifies the frequency | |
503 | * at which modes should be set up in the dual link style. | |
504 | * | |
505 | * Following the header, the BMP (ver 0xa) table has several records, | |
3ad2f3fb | 506 | * indexed by a separate xlat table, indexed in turn by the fp strap in |
6ee73861 BS |
507 | * EXTDEV_BOOT. Each record had a config byte, followed by 6 script |
508 | * numbers for use by INIT_SUB which controlled panel init and power, | |
509 | * and finally a dword of ms to sleep between power off and on | |
510 | * operations. | |
511 | * | |
512 | * In the BIT versions, the table following the header serves as an | |
513 | * integrated config and xlat table: the records in the table are | |
514 | * indexed by the FP strap nibble in EXTDEV_BOOT, and each record has | |
515 | * two bytes - the first as a config byte, the second for indexing the | |
516 | * fp mode table pointed to by the BIT 'D' table | |
517 | * | |
518 | * DDC is not used until after card init, so selecting the correct table | |
519 | * entry and setting the dual link flag for EDID equipped panels, | |
520 | * requiring tests against the native-mode pixel clock, cannot be done | |
521 | * until later, when this function should be called with non-zero pxclk | |
522 | */ | |
77145f1c BS |
523 | struct nouveau_drm *drm = nouveau_drm(dev); |
524 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
525 | int fpstrapping = get_fp_strap(dev, bios), lvdsmanufacturerindex = 0; |
526 | struct lvdstableheader lth; | |
527 | uint16_t lvdsofs; | |
04a39c57 | 528 | int ret, chip_version = bios->chip_version; |
6ee73861 BS |
529 | |
530 | ret = parse_lvds_manufacturer_table_header(dev, bios, <h); | |
531 | if (ret) | |
532 | return ret; | |
533 | ||
534 | switch (lth.lvds_ver) { | |
535 | case 0x0a: /* pre NV40 */ | |
536 | lvdsmanufacturerindex = bios->data[ | |
537 | bios->fp.fpxlatemanufacturertableptr + | |
538 | fpstrapping]; | |
539 | ||
540 | /* we're done if this isn't the EDID panel case */ | |
541 | if (!pxclk) | |
542 | break; | |
543 | ||
544 | if (chip_version < 0x25) { | |
545 | /* nv17 behaviour | |
546 | * | |
547 | * It seems the old style lvds script pointer is reused | |
548 | * to select 18/24 bit colour depth for EDID panels. | |
549 | */ | |
550 | lvdsmanufacturerindex = | |
551 | (bios->legacy.lvds_single_a_script_ptr & 1) ? | |
552 | 2 : 0; | |
553 | if (pxclk >= bios->fp.duallink_transition_clk) | |
554 | lvdsmanufacturerindex++; | |
555 | } else if (chip_version < 0x30) { | |
556 | /* nv28 behaviour (off-chip encoder) | |
557 | * | |
558 | * nv28 does a complex dance of first using byte 121 of | |
559 | * the EDID to choose the lvdsmanufacturerindex, then | |
560 | * later attempting to match the EDID manufacturer and | |
561 | * product IDs in a table (signature 'pidt' (panel id | |
562 | * table?)), setting an lvdsmanufacturerindex of 0 and | |
563 | * an fp strap of the match index (or 0xf if none) | |
564 | */ | |
565 | lvdsmanufacturerindex = 0; | |
566 | } else { | |
567 | /* nv31, nv34 behaviour */ | |
568 | lvdsmanufacturerindex = 0; | |
569 | if (pxclk >= bios->fp.duallink_transition_clk) | |
570 | lvdsmanufacturerindex = 2; | |
571 | if (pxclk >= 140000) | |
572 | lvdsmanufacturerindex = 3; | |
573 | } | |
574 | ||
575 | /* | |
576 | * nvidia set the high nibble of (cr57=f, cr58) to | |
577 | * lvdsmanufacturerindex in this case; we don't | |
578 | */ | |
579 | break; | |
580 | case 0x30: /* NV4x */ | |
581 | case 0x40: /* G80/G90 */ | |
582 | lvdsmanufacturerindex = fpstrapping; | |
583 | break; | |
584 | default: | |
77145f1c | 585 | NV_ERROR(drm, "LVDS table revision not currently supported\n"); |
6ee73861 BS |
586 | return -ENOSYS; |
587 | } | |
588 | ||
589 | lvdsofs = bios->fp.xlated_entry = bios->fp.lvdsmanufacturerpointer + lth.headerlen + lth.recordlen * lvdsmanufacturerindex; | |
590 | switch (lth.lvds_ver) { | |
591 | case 0x0a: | |
592 | bios->fp.power_off_for_reset = bios->data[lvdsofs] & 1; | |
593 | bios->fp.reset_after_pclk_change = bios->data[lvdsofs] & 2; | |
594 | bios->fp.dual_link = bios->data[lvdsofs] & 4; | |
595 | bios->fp.link_c_increment = bios->data[lvdsofs] & 8; | |
596 | *if_is_24bit = bios->data[lvdsofs] & 16; | |
597 | break; | |
598 | case 0x30: | |
f3bbb9cc | 599 | case 0x40: |
6ee73861 BS |
600 | /* |
601 | * No sign of the "power off for reset" or "reset for panel | |
602 | * on" bits, but it's safer to assume we should | |
603 | */ | |
604 | bios->fp.power_off_for_reset = true; | |
605 | bios->fp.reset_after_pclk_change = true; | |
f3bbb9cc | 606 | |
6ee73861 BS |
607 | /* |
608 | * It's ok lvdsofs is wrong for nv4x edid case; dual_link is | |
f3bbb9cc | 609 | * over-written, and if_is_24bit isn't used |
6ee73861 BS |
610 | */ |
611 | bios->fp.dual_link = bios->data[lvdsofs] & 1; | |
6ee73861 BS |
612 | bios->fp.if_is_24bit = bios->data[lvdsofs] & 2; |
613 | bios->fp.strapless_is_24bit = bios->data[bios->fp.lvdsmanufacturerpointer + 4]; | |
614 | bios->fp.duallink_transition_clk = ROM16(bios->data[bios->fp.lvdsmanufacturerpointer + 5]) * 10; | |
615 | break; | |
616 | } | |
617 | ||
618 | /* set dual_link flag for EDID case */ | |
619 | if (pxclk && (chip_version < 0x25 || chip_version > 0x28)) | |
620 | bios->fp.dual_link = (pxclk >= bios->fp.duallink_transition_clk); | |
621 | ||
622 | *dl = bios->fp.dual_link; | |
623 | ||
624 | return 0; | |
625 | } | |
626 | ||
cb75d97e | 627 | int run_tmds_table(struct drm_device *dev, struct dcb_output *dcbent, int head, int pxclk) |
6ee73861 BS |
628 | { |
629 | /* | |
630 | * the pxclk parameter is in kHz | |
631 | * | |
632 | * This runs the TMDS regs setting code found on BIT bios cards | |
633 | * | |
634 | * For ffs(or) == 1 use the first table, for ffs(or) == 2 and | |
635 | * ffs(or) == 3, use the second. | |
636 | */ | |
637 | ||
77145f1c BS |
638 | struct nouveau_drm *drm = nouveau_drm(dev); |
639 | struct nouveau_device *device = nv_device(drm->device); | |
640 | struct nvbios *bios = &drm->vbios; | |
04a39c57 | 641 | int cv = bios->chip_version; |
6ee73861 BS |
642 | uint16_t clktable = 0, scriptptr; |
643 | uint32_t sel_clk_binding, sel_clk; | |
644 | ||
645 | /* pre-nv17 off-chip tmds uses scripts, post nv17 doesn't */ | |
646 | if (cv >= 0x17 && cv != 0x1a && cv != 0x20 && | |
647 | dcbent->location != DCB_LOC_ON_CHIP) | |
648 | return 0; | |
649 | ||
650 | switch (ffs(dcbent->or)) { | |
651 | case 1: | |
652 | clktable = bios->tmds.output0_script_ptr; | |
653 | break; | |
654 | case 2: | |
655 | case 3: | |
656 | clktable = bios->tmds.output1_script_ptr; | |
657 | break; | |
658 | } | |
659 | ||
660 | if (!clktable) { | |
77145f1c | 661 | NV_ERROR(drm, "Pixel clock comparison table not found\n"); |
6ee73861 BS |
662 | return -EINVAL; |
663 | } | |
664 | ||
665 | scriptptr = clkcmptable(bios, clktable, pxclk); | |
666 | ||
667 | if (!scriptptr) { | |
77145f1c | 668 | NV_ERROR(drm, "TMDS output init script not found\n"); |
6ee73861 BS |
669 | return -ENOENT; |
670 | } | |
671 | ||
672 | /* don't let script change pll->head binding */ | |
77145f1c | 673 | sel_clk_binding = nv_rd32(device, NV_PRAMDAC_SEL_CLK) & 0x50000; |
6ee73861 BS |
674 | run_digital_op_script(dev, scriptptr, dcbent, head, pxclk >= 165000); |
675 | sel_clk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK) & ~0x50000; | |
676 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, sel_clk | sel_clk_binding); | |
677 | ||
678 | return 0; | |
679 | } | |
680 | ||
6ee73861 BS |
681 | static void parse_bios_version(struct drm_device *dev, struct nvbios *bios, uint16_t offset) |
682 | { | |
683 | /* | |
684 | * offset + 0 (8 bits): Micro version | |
685 | * offset + 1 (8 bits): Minor version | |
686 | * offset + 2 (8 bits): Chip version | |
687 | * offset + 3 (8 bits): Major version | |
688 | */ | |
77145f1c | 689 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
690 | |
691 | bios->major_version = bios->data[offset + 3]; | |
04a39c57 | 692 | bios->chip_version = bios->data[offset + 2]; |
77145f1c | 693 | NV_INFO(drm, "Bios version %02x.%02x.%02x.%02x\n", |
6ee73861 BS |
694 | bios->data[offset + 3], bios->data[offset + 2], |
695 | bios->data[offset + 1], bios->data[offset]); | |
696 | } | |
697 | ||
698 | static void parse_script_table_pointers(struct nvbios *bios, uint16_t offset) | |
699 | { | |
700 | /* | |
701 | * Parses the init table segment for pointers used in script execution. | |
702 | * | |
703 | * offset + 0 (16 bits): init script tables pointer | |
704 | * offset + 2 (16 bits): macro index table pointer | |
705 | * offset + 4 (16 bits): macro table pointer | |
706 | * offset + 6 (16 bits): condition table pointer | |
707 | * offset + 8 (16 bits): io condition table pointer | |
708 | * offset + 10 (16 bits): io flag condition table pointer | |
709 | * offset + 12 (16 bits): init function table pointer | |
710 | */ | |
711 | ||
712 | bios->init_script_tbls_ptr = ROM16(bios->data[offset]); | |
713 | bios->macro_index_tbl_ptr = ROM16(bios->data[offset + 2]); | |
714 | bios->macro_tbl_ptr = ROM16(bios->data[offset + 4]); | |
715 | bios->condition_tbl_ptr = ROM16(bios->data[offset + 6]); | |
716 | bios->io_condition_tbl_ptr = ROM16(bios->data[offset + 8]); | |
717 | bios->io_flag_condition_tbl_ptr = ROM16(bios->data[offset + 10]); | |
718 | bios->init_function_tbl_ptr = ROM16(bios->data[offset + 12]); | |
719 | } | |
720 | ||
721 | static int parse_bit_A_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) | |
722 | { | |
723 | /* | |
724 | * Parses the load detect values for g80 cards. | |
725 | * | |
726 | * offset + 0 (16 bits): loadval table pointer | |
727 | */ | |
728 | ||
77145f1c | 729 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
730 | uint16_t load_table_ptr; |
731 | uint8_t version, headerlen, entrylen, num_entries; | |
732 | ||
733 | if (bitentry->length != 3) { | |
77145f1c | 734 | NV_ERROR(drm, "Do not understand BIT A table\n"); |
6ee73861 BS |
735 | return -EINVAL; |
736 | } | |
737 | ||
738 | load_table_ptr = ROM16(bios->data[bitentry->offset]); | |
739 | ||
740 | if (load_table_ptr == 0x0) { | |
77145f1c | 741 | NV_DEBUG(drm, "Pointer to BIT loadval table invalid\n"); |
6ee73861 BS |
742 | return -EINVAL; |
743 | } | |
744 | ||
745 | version = bios->data[load_table_ptr]; | |
746 | ||
747 | if (version != 0x10) { | |
77145f1c | 748 | NV_ERROR(drm, "BIT loadval table version %d.%d not supported\n", |
6ee73861 BS |
749 | version >> 4, version & 0xF); |
750 | return -ENOSYS; | |
751 | } | |
752 | ||
753 | headerlen = bios->data[load_table_ptr + 1]; | |
754 | entrylen = bios->data[load_table_ptr + 2]; | |
755 | num_entries = bios->data[load_table_ptr + 3]; | |
756 | ||
757 | if (headerlen != 4 || entrylen != 4 || num_entries != 2) { | |
77145f1c | 758 | NV_ERROR(drm, "Do not understand BIT loadval table\n"); |
6ee73861 BS |
759 | return -EINVAL; |
760 | } | |
761 | ||
762 | /* First entry is normal dac, 2nd tv-out perhaps? */ | |
04a39c57 | 763 | bios->dactestval = ROM32(bios->data[load_table_ptr + headerlen]) & 0x3ff; |
6ee73861 BS |
764 | |
765 | return 0; | |
766 | } | |
767 | ||
768 | static int parse_bit_C_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) | |
769 | { | |
770 | /* | |
771 | * offset + 8 (16 bits): PLL limits table pointer | |
772 | * | |
773 | * There's more in here, but that's unknown. | |
774 | */ | |
77145f1c | 775 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
776 | |
777 | if (bitentry->length < 10) { | |
77145f1c | 778 | NV_ERROR(drm, "Do not understand BIT C table\n"); |
6ee73861 BS |
779 | return -EINVAL; |
780 | } | |
781 | ||
782 | bios->pll_limit_tbl_ptr = ROM16(bios->data[bitentry->offset + 8]); | |
783 | ||
784 | return 0; | |
785 | } | |
786 | ||
787 | static int parse_bit_display_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) | |
788 | { | |
789 | /* | |
790 | * Parses the flat panel table segment that the bit entry points to. | |
791 | * Starting at bitentry->offset: | |
792 | * | |
793 | * offset + 0 (16 bits): ??? table pointer - seems to have 18 byte | |
794 | * records beginning with a freq. | |
795 | * offset + 2 (16 bits): mode table pointer | |
796 | */ | |
77145f1c | 797 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
798 | |
799 | if (bitentry->length != 4) { | |
77145f1c | 800 | NV_ERROR(drm, "Do not understand BIT display table\n"); |
6ee73861 BS |
801 | return -EINVAL; |
802 | } | |
803 | ||
804 | bios->fp.fptablepointer = ROM16(bios->data[bitentry->offset + 2]); | |
805 | ||
806 | return 0; | |
807 | } | |
808 | ||
809 | static int parse_bit_init_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) | |
810 | { | |
811 | /* | |
812 | * Parses the init table segment that the bit entry points to. | |
813 | * | |
814 | * See parse_script_table_pointers for layout | |
815 | */ | |
77145f1c | 816 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
817 | |
818 | if (bitentry->length < 14) { | |
77145f1c | 819 | NV_ERROR(drm, "Do not understand init table\n"); |
6ee73861 BS |
820 | return -EINVAL; |
821 | } | |
822 | ||
823 | parse_script_table_pointers(bios, bitentry->offset); | |
824 | ||
825 | if (bitentry->length >= 16) | |
826 | bios->some_script_ptr = ROM16(bios->data[bitentry->offset + 14]); | |
827 | if (bitentry->length >= 18) | |
828 | bios->init96_tbl_ptr = ROM16(bios->data[bitentry->offset + 16]); | |
829 | ||
830 | return 0; | |
831 | } | |
832 | ||
833 | static int parse_bit_i_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) | |
834 | { | |
835 | /* | |
836 | * BIT 'i' (info?) table | |
837 | * | |
838 | * offset + 0 (32 bits): BIOS version dword (as in B table) | |
839 | * offset + 5 (8 bits): BIOS feature byte (same as for BMP?) | |
840 | * offset + 13 (16 bits): pointer to table containing DAC load | |
841 | * detection comparison values | |
842 | * | |
843 | * There's other things in the table, purpose unknown | |
844 | */ | |
845 | ||
77145f1c | 846 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
847 | uint16_t daccmpoffset; |
848 | uint8_t dacver, dacheaderlen; | |
849 | ||
850 | if (bitentry->length < 6) { | |
77145f1c | 851 | NV_ERROR(drm, "BIT i table too short for needed information\n"); |
6ee73861 BS |
852 | return -EINVAL; |
853 | } | |
854 | ||
855 | parse_bios_version(dev, bios, bitentry->offset); | |
856 | ||
857 | /* | |
858 | * bit 4 seems to indicate a mobile bios (doesn't suffer from BMP's | |
859 | * Quadro identity crisis), other bits possibly as for BMP feature byte | |
860 | */ | |
861 | bios->feature_byte = bios->data[bitentry->offset + 5]; | |
862 | bios->is_mobile = bios->feature_byte & FEATURE_MOBILE; | |
863 | ||
864 | if (bitentry->length < 15) { | |
77145f1c | 865 | NV_WARN(drm, "BIT i table not long enough for DAC load " |
6ee73861 BS |
866 | "detection comparison table\n"); |
867 | return -EINVAL; | |
868 | } | |
869 | ||
870 | daccmpoffset = ROM16(bios->data[bitentry->offset + 13]); | |
871 | ||
872 | /* doesn't exist on g80 */ | |
873 | if (!daccmpoffset) | |
874 | return 0; | |
875 | ||
876 | /* | |
877 | * The first value in the table, following the header, is the | |
878 | * comparison value, the second entry is a comparison value for | |
879 | * TV load detection. | |
880 | */ | |
881 | ||
882 | dacver = bios->data[daccmpoffset]; | |
883 | dacheaderlen = bios->data[daccmpoffset + 1]; | |
884 | ||
885 | if (dacver != 0x00 && dacver != 0x10) { | |
77145f1c | 886 | NV_WARN(drm, "DAC load detection comparison table version " |
6ee73861 BS |
887 | "%d.%d not known\n", dacver >> 4, dacver & 0xf); |
888 | return -ENOSYS; | |
889 | } | |
890 | ||
04a39c57 BS |
891 | bios->dactestval = ROM32(bios->data[daccmpoffset + dacheaderlen]); |
892 | bios->tvdactestval = ROM32(bios->data[daccmpoffset + dacheaderlen + 4]); | |
6ee73861 BS |
893 | |
894 | return 0; | |
895 | } | |
896 | ||
897 | static int parse_bit_lvds_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) | |
898 | { | |
899 | /* | |
900 | * Parses the LVDS table segment that the bit entry points to. | |
901 | * Starting at bitentry->offset: | |
902 | * | |
903 | * offset + 0 (16 bits): LVDS strap xlate table pointer | |
904 | */ | |
905 | ||
77145f1c BS |
906 | struct nouveau_drm *drm = nouveau_drm(dev); |
907 | ||
6ee73861 | 908 | if (bitentry->length != 2) { |
77145f1c | 909 | NV_ERROR(drm, "Do not understand BIT LVDS table\n"); |
6ee73861 BS |
910 | return -EINVAL; |
911 | } | |
912 | ||
913 | /* | |
914 | * No idea if it's still called the LVDS manufacturer table, but | |
915 | * the concept's close enough. | |
916 | */ | |
917 | bios->fp.lvdsmanufacturerpointer = ROM16(bios->data[bitentry->offset]); | |
918 | ||
919 | return 0; | |
920 | } | |
921 | ||
922 | static int | |
923 | parse_bit_M_tbl_entry(struct drm_device *dev, struct nvbios *bios, | |
924 | struct bit_entry *bitentry) | |
925 | { | |
926 | /* | |
927 | * offset + 2 (8 bits): number of options in an | |
928 | * INIT_RAM_RESTRICT_ZM_REG_GROUP opcode option set | |
929 | * offset + 3 (16 bits): pointer to strap xlate table for RAM | |
930 | * restrict option selection | |
931 | * | |
932 | * There's a bunch of bits in this table other than the RAM restrict | |
933 | * stuff that we don't use - their use currently unknown | |
934 | */ | |
935 | ||
6ee73861 BS |
936 | /* |
937 | * Older bios versions don't have a sufficiently long table for | |
938 | * what we want | |
939 | */ | |
940 | if (bitentry->length < 0x5) | |
941 | return 0; | |
942 | ||
4709bff0 | 943 | if (bitentry->version < 2) { |
37383650 MK |
944 | bios->ram_restrict_group_count = bios->data[bitentry->offset + 2]; |
945 | bios->ram_restrict_tbl_ptr = ROM16(bios->data[bitentry->offset + 3]); | |
6ee73861 | 946 | } else { |
37383650 MK |
947 | bios->ram_restrict_group_count = bios->data[bitentry->offset + 0]; |
948 | bios->ram_restrict_tbl_ptr = ROM16(bios->data[bitentry->offset + 1]); | |
6ee73861 BS |
949 | } |
950 | ||
6ee73861 BS |
951 | return 0; |
952 | } | |
953 | ||
954 | static int parse_bit_tmds_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) | |
955 | { | |
956 | /* | |
957 | * Parses the pointer to the TMDS table | |
958 | * | |
959 | * Starting at bitentry->offset: | |
960 | * | |
961 | * offset + 0 (16 bits): TMDS table pointer | |
962 | * | |
963 | * The TMDS table is typically found just before the DCB table, with a | |
964 | * characteristic signature of 0x11,0x13 (1.1 being version, 0x13 being | |
965 | * length?) | |
966 | * | |
967 | * At offset +7 is a pointer to a script, which I don't know how to | |
968 | * run yet. | |
969 | * At offset +9 is a pointer to another script, likewise | |
970 | * Offset +11 has a pointer to a table where the first word is a pxclk | |
971 | * frequency and the second word a pointer to a script, which should be | |
972 | * run if the comparison pxclk frequency is less than the pxclk desired. | |
973 | * This repeats for decreasing comparison frequencies | |
974 | * Offset +13 has a pointer to a similar table | |
975 | * The selection of table (and possibly +7/+9 script) is dictated by | |
976 | * "or" from the DCB. | |
977 | */ | |
978 | ||
77145f1c | 979 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
980 | uint16_t tmdstableptr, script1, script2; |
981 | ||
982 | if (bitentry->length != 2) { | |
77145f1c | 983 | NV_ERROR(drm, "Do not understand BIT TMDS table\n"); |
6ee73861 BS |
984 | return -EINVAL; |
985 | } | |
986 | ||
987 | tmdstableptr = ROM16(bios->data[bitentry->offset]); | |
98720bf4 | 988 | if (!tmdstableptr) { |
77145f1c | 989 | NV_ERROR(drm, "Pointer to TMDS table invalid\n"); |
6ee73861 BS |
990 | return -EINVAL; |
991 | } | |
992 | ||
77145f1c | 993 | NV_INFO(drm, "TMDS table version %d.%d\n", |
98720bf4 BS |
994 | bios->data[tmdstableptr] >> 4, bios->data[tmdstableptr] & 0xf); |
995 | ||
6ee73861 | 996 | /* nv50+ has v2.0, but we don't parse it atm */ |
98720bf4 | 997 | if (bios->data[tmdstableptr] != 0x11) |
6ee73861 | 998 | return -ENOSYS; |
6ee73861 BS |
999 | |
1000 | /* | |
1001 | * These two scripts are odd: they don't seem to get run even when | |
1002 | * they are not stubbed. | |
1003 | */ | |
1004 | script1 = ROM16(bios->data[tmdstableptr + 7]); | |
1005 | script2 = ROM16(bios->data[tmdstableptr + 9]); | |
1006 | if (bios->data[script1] != 'q' || bios->data[script2] != 'q') | |
77145f1c | 1007 | NV_WARN(drm, "TMDS table script pointers not stubbed\n"); |
6ee73861 BS |
1008 | |
1009 | bios->tmds.output0_script_ptr = ROM16(bios->data[tmdstableptr + 11]); | |
1010 | bios->tmds.output1_script_ptr = ROM16(bios->data[tmdstableptr + 13]); | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
6ee73861 BS |
1015 | struct bit_table { |
1016 | const char id; | |
1017 | int (* const parse_fn)(struct drm_device *, struct nvbios *, struct bit_entry *); | |
1018 | }; | |
1019 | ||
1020 | #define BIT_TABLE(id, funcid) ((struct bit_table){ id, parse_bit_##funcid##_tbl_entry }) | |
1021 | ||
4709bff0 BS |
1022 | int |
1023 | bit_table(struct drm_device *dev, u8 id, struct bit_entry *bit) | |
1024 | { | |
77145f1c BS |
1025 | struct nouveau_drm *drm = nouveau_drm(dev); |
1026 | struct nvbios *bios = &drm->vbios; | |
4709bff0 BS |
1027 | u8 entries, *entry; |
1028 | ||
b4c26818 BS |
1029 | if (bios->type != NVBIOS_BIT) |
1030 | return -ENODEV; | |
1031 | ||
4709bff0 BS |
1032 | entries = bios->data[bios->offset + 10]; |
1033 | entry = &bios->data[bios->offset + 12]; | |
1034 | while (entries--) { | |
1035 | if (entry[0] == id) { | |
1036 | bit->id = entry[0]; | |
1037 | bit->version = entry[1]; | |
1038 | bit->length = ROM16(entry[2]); | |
1039 | bit->offset = ROM16(entry[4]); | |
f9f9f536 | 1040 | bit->data = ROMPTR(dev, entry[4]); |
4709bff0 BS |
1041 | return 0; |
1042 | } | |
1043 | ||
1044 | entry += bios->data[bios->offset + 9]; | |
1045 | } | |
1046 | ||
1047 | return -ENOENT; | |
1048 | } | |
1049 | ||
6ee73861 BS |
1050 | static int |
1051 | parse_bit_table(struct nvbios *bios, const uint16_t bitoffset, | |
1052 | struct bit_table *table) | |
1053 | { | |
1054 | struct drm_device *dev = bios->dev; | |
77145f1c | 1055 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
1056 | struct bit_entry bitentry; |
1057 | ||
4709bff0 | 1058 | if (bit_table(dev, table->id, &bitentry) == 0) |
6ee73861 | 1059 | return table->parse_fn(dev, bios, &bitentry); |
6ee73861 | 1060 | |
77145f1c | 1061 | NV_INFO(drm, "BIT table '%c' not found\n", table->id); |
6ee73861 BS |
1062 | return -ENOSYS; |
1063 | } | |
1064 | ||
1065 | static int | |
1066 | parse_bit_structure(struct nvbios *bios, const uint16_t bitoffset) | |
1067 | { | |
1068 | int ret; | |
1069 | ||
1070 | /* | |
1071 | * The only restriction on parsing order currently is having 'i' first | |
1072 | * for use of bios->*_version or bios->feature_byte while parsing; | |
1073 | * functions shouldn't be actually *doing* anything apart from pulling | |
1074 | * data from the image into the bios struct, thus no interdependencies | |
1075 | */ | |
1076 | ret = parse_bit_table(bios, bitoffset, &BIT_TABLE('i', i)); | |
1077 | if (ret) /* info? */ | |
1078 | return ret; | |
1079 | if (bios->major_version >= 0x60) /* g80+ */ | |
1080 | parse_bit_table(bios, bitoffset, &BIT_TABLE('A', A)); | |
1081 | ret = parse_bit_table(bios, bitoffset, &BIT_TABLE('C', C)); | |
1082 | if (ret) | |
1083 | return ret; | |
1084 | parse_bit_table(bios, bitoffset, &BIT_TABLE('D', display)); | |
1085 | ret = parse_bit_table(bios, bitoffset, &BIT_TABLE('I', init)); | |
1086 | if (ret) | |
1087 | return ret; | |
1088 | parse_bit_table(bios, bitoffset, &BIT_TABLE('M', M)); /* memory? */ | |
1089 | parse_bit_table(bios, bitoffset, &BIT_TABLE('L', lvds)); | |
1090 | parse_bit_table(bios, bitoffset, &BIT_TABLE('T', tmds)); | |
6ee73861 BS |
1091 | |
1092 | return 0; | |
1093 | } | |
1094 | ||
1095 | static int parse_bmp_structure(struct drm_device *dev, struct nvbios *bios, unsigned int offset) | |
1096 | { | |
1097 | /* | |
1098 | * Parses the BMP structure for useful things, but does not act on them | |
1099 | * | |
1100 | * offset + 5: BMP major version | |
1101 | * offset + 6: BMP minor version | |
1102 | * offset + 9: BMP feature byte | |
1103 | * offset + 10: BCD encoded BIOS version | |
1104 | * | |
1105 | * offset + 18: init script table pointer (for bios versions < 5.10h) | |
1106 | * offset + 20: extra init script table pointer (for bios | |
1107 | * versions < 5.10h) | |
1108 | * | |
1109 | * offset + 24: memory init table pointer (used on early bios versions) | |
1110 | * offset + 26: SDR memory sequencing setup data table | |
1111 | * offset + 28: DDR memory sequencing setup data table | |
1112 | * | |
1113 | * offset + 54: index of I2C CRTC pair to use for CRT output | |
1114 | * offset + 55: index of I2C CRTC pair to use for TV output | |
1115 | * offset + 56: index of I2C CRTC pair to use for flat panel output | |
1116 | * offset + 58: write CRTC index for I2C pair 0 | |
1117 | * offset + 59: read CRTC index for I2C pair 0 | |
1118 | * offset + 60: write CRTC index for I2C pair 1 | |
1119 | * offset + 61: read CRTC index for I2C pair 1 | |
1120 | * | |
1121 | * offset + 67: maximum internal PLL frequency (single stage PLL) | |
1122 | * offset + 71: minimum internal PLL frequency (single stage PLL) | |
1123 | * | |
1124 | * offset + 75: script table pointers, as described in | |
1125 | * parse_script_table_pointers | |
1126 | * | |
1127 | * offset + 89: TMDS single link output A table pointer | |
1128 | * offset + 91: TMDS single link output B table pointer | |
1129 | * offset + 95: LVDS single link output A table pointer | |
1130 | * offset + 105: flat panel timings table pointer | |
1131 | * offset + 107: flat panel strapping translation table pointer | |
1132 | * offset + 117: LVDS manufacturer panel config table pointer | |
1133 | * offset + 119: LVDS manufacturer strapping translation table pointer | |
1134 | * | |
1135 | * offset + 142: PLL limits table pointer | |
1136 | * | |
1137 | * offset + 156: minimum pixel clock for LVDS dual link | |
1138 | */ | |
1139 | ||
77145f1c | 1140 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
1141 | uint8_t *bmp = &bios->data[offset], bmp_version_major, bmp_version_minor; |
1142 | uint16_t bmplength; | |
1143 | uint16_t legacy_scripts_offset, legacy_i2c_offset; | |
1144 | ||
1145 | /* load needed defaults in case we can't parse this info */ | |
04a39c57 | 1146 | bios->digital_min_front_porch = 0x4b; |
6ee73861 BS |
1147 | bios->fmaxvco = 256000; |
1148 | bios->fminvco = 128000; | |
1149 | bios->fp.duallink_transition_clk = 90000; | |
1150 | ||
1151 | bmp_version_major = bmp[5]; | |
1152 | bmp_version_minor = bmp[6]; | |
1153 | ||
77145f1c | 1154 | NV_INFO(drm, "BMP version %d.%d\n", |
6ee73861 BS |
1155 | bmp_version_major, bmp_version_minor); |
1156 | ||
1157 | /* | |
1158 | * Make sure that 0x36 is blank and can't be mistaken for a DCB | |
1159 | * pointer on early versions | |
1160 | */ | |
1161 | if (bmp_version_major < 5) | |
1162 | *(uint16_t *)&bios->data[0x36] = 0; | |
1163 | ||
1164 | /* | |
1165 | * Seems that the minor version was 1 for all major versions prior | |
1166 | * to 5. Version 6 could theoretically exist, but I suspect BIT | |
1167 | * happened instead. | |
1168 | */ | |
1169 | if ((bmp_version_major < 5 && bmp_version_minor != 1) || bmp_version_major > 5) { | |
77145f1c | 1170 | NV_ERROR(drm, "You have an unsupported BMP version. " |
6ee73861 BS |
1171 | "Please send in your bios\n"); |
1172 | return -ENOSYS; | |
1173 | } | |
1174 | ||
1175 | if (bmp_version_major == 0) | |
1176 | /* nothing that's currently useful in this version */ | |
1177 | return 0; | |
1178 | else if (bmp_version_major == 1) | |
1179 | bmplength = 44; /* exact for 1.01 */ | |
1180 | else if (bmp_version_major == 2) | |
1181 | bmplength = 48; /* exact for 2.01 */ | |
1182 | else if (bmp_version_major == 3) | |
1183 | bmplength = 54; | |
1184 | /* guessed - mem init tables added in this version */ | |
1185 | else if (bmp_version_major == 4 || bmp_version_minor < 0x1) | |
1186 | /* don't know if 5.0 exists... */ | |
1187 | bmplength = 62; | |
1188 | /* guessed - BMP I2C indices added in version 4*/ | |
1189 | else if (bmp_version_minor < 0x6) | |
1190 | bmplength = 67; /* exact for 5.01 */ | |
1191 | else if (bmp_version_minor < 0x10) | |
1192 | bmplength = 75; /* exact for 5.06 */ | |
1193 | else if (bmp_version_minor == 0x10) | |
1194 | bmplength = 89; /* exact for 5.10h */ | |
1195 | else if (bmp_version_minor < 0x14) | |
1196 | bmplength = 118; /* exact for 5.11h */ | |
1197 | else if (bmp_version_minor < 0x24) | |
1198 | /* | |
1199 | * Not sure of version where pll limits came in; | |
1200 | * certainly exist by 0x24 though. | |
1201 | */ | |
1202 | /* length not exact: this is long enough to get lvds members */ | |
1203 | bmplength = 123; | |
1204 | else if (bmp_version_minor < 0x27) | |
1205 | /* | |
1206 | * Length not exact: this is long enough to get pll limit | |
1207 | * member | |
1208 | */ | |
1209 | bmplength = 144; | |
1210 | else | |
1211 | /* | |
1212 | * Length not exact: this is long enough to get dual link | |
1213 | * transition clock. | |
1214 | */ | |
1215 | bmplength = 158; | |
1216 | ||
1217 | /* checksum */ | |
1218 | if (nv_cksum(bmp, 8)) { | |
77145f1c | 1219 | NV_ERROR(drm, "Bad BMP checksum\n"); |
6ee73861 BS |
1220 | return -EINVAL; |
1221 | } | |
1222 | ||
1223 | /* | |
1224 | * Bit 4 seems to indicate either a mobile bios or a quadro card -- | |
1225 | * mobile behaviour consistent (nv11+), quadro only seen nv18gl-nv36gl | |
1226 | * (not nv10gl), bit 5 that the flat panel tables are present, and | |
1227 | * bit 6 a tv bios. | |
1228 | */ | |
1229 | bios->feature_byte = bmp[9]; | |
1230 | ||
1231 | parse_bios_version(dev, bios, offset + 10); | |
1232 | ||
1233 | if (bmp_version_major < 5 || bmp_version_minor < 0x10) | |
1234 | bios->old_style_init = true; | |
1235 | legacy_scripts_offset = 18; | |
1236 | if (bmp_version_major < 2) | |
1237 | legacy_scripts_offset -= 4; | |
1238 | bios->init_script_tbls_ptr = ROM16(bmp[legacy_scripts_offset]); | |
1239 | bios->extra_init_script_tbl_ptr = ROM16(bmp[legacy_scripts_offset + 2]); | |
1240 | ||
1241 | if (bmp_version_major > 2) { /* appears in BMP 3 */ | |
1242 | bios->legacy.mem_init_tbl_ptr = ROM16(bmp[24]); | |
1243 | bios->legacy.sdr_seq_tbl_ptr = ROM16(bmp[26]); | |
1244 | bios->legacy.ddr_seq_tbl_ptr = ROM16(bmp[28]); | |
1245 | } | |
1246 | ||
1247 | legacy_i2c_offset = 0x48; /* BMP version 2 & 3 */ | |
1248 | if (bmplength > 61) | |
1249 | legacy_i2c_offset = offset + 54; | |
1250 | bios->legacy.i2c_indices.crt = bios->data[legacy_i2c_offset]; | |
1251 | bios->legacy.i2c_indices.tv = bios->data[legacy_i2c_offset + 1]; | |
1252 | bios->legacy.i2c_indices.panel = bios->data[legacy_i2c_offset + 2]; | |
6ee73861 BS |
1253 | |
1254 | if (bmplength > 74) { | |
1255 | bios->fmaxvco = ROM32(bmp[67]); | |
1256 | bios->fminvco = ROM32(bmp[71]); | |
1257 | } | |
1258 | if (bmplength > 88) | |
1259 | parse_script_table_pointers(bios, offset + 75); | |
1260 | if (bmplength > 94) { | |
1261 | bios->tmds.output0_script_ptr = ROM16(bmp[89]); | |
1262 | bios->tmds.output1_script_ptr = ROM16(bmp[91]); | |
1263 | /* | |
1264 | * Never observed in use with lvds scripts, but is reused for | |
1265 | * 18/24 bit panel interface default for EDID equipped panels | |
1266 | * (if_is_24bit not set directly to avoid any oscillation). | |
1267 | */ | |
1268 | bios->legacy.lvds_single_a_script_ptr = ROM16(bmp[95]); | |
1269 | } | |
1270 | if (bmplength > 108) { | |
1271 | bios->fp.fptablepointer = ROM16(bmp[105]); | |
1272 | bios->fp.fpxlatetableptr = ROM16(bmp[107]); | |
1273 | bios->fp.xlatwidth = 1; | |
1274 | } | |
1275 | if (bmplength > 120) { | |
1276 | bios->fp.lvdsmanufacturerpointer = ROM16(bmp[117]); | |
1277 | bios->fp.fpxlatemanufacturertableptr = ROM16(bmp[119]); | |
1278 | } | |
1279 | if (bmplength > 143) | |
1280 | bios->pll_limit_tbl_ptr = ROM16(bmp[142]); | |
1281 | ||
1282 | if (bmplength > 157) | |
1283 | bios->fp.duallink_transition_clk = ROM16(bmp[156]) * 10; | |
1284 | ||
1285 | return 0; | |
1286 | } | |
1287 | ||
1288 | static uint16_t findstr(uint8_t *data, int n, const uint8_t *str, int len) | |
1289 | { | |
1290 | int i, j; | |
1291 | ||
1292 | for (i = 0; i <= (n - len); i++) { | |
1293 | for (j = 0; j < len; j++) | |
1294 | if (data[i + j] != str[j]) | |
1295 | break; | |
1296 | if (j == len) | |
1297 | return i; | |
1298 | } | |
1299 | ||
1300 | return 0; | |
1301 | } | |
1302 | ||
6b5a81a2 | 1303 | void * |
e0996aea | 1304 | olddcb_table(struct drm_device *dev) |
6b5a81a2 | 1305 | { |
77145f1c | 1306 | struct nouveau_drm *drm = nouveau_drm(dev); |
6b5a81a2 BS |
1307 | u8 *dcb = NULL; |
1308 | ||
77145f1c BS |
1309 | if (nv_device(drm->device)->card_type > NV_04) |
1310 | dcb = ROMPTR(dev, drm->vbios.data[0x36]); | |
6b5a81a2 | 1311 | if (!dcb) { |
77145f1c | 1312 | NV_WARN(drm, "No DCB data found in VBIOS\n"); |
6b5a81a2 BS |
1313 | return NULL; |
1314 | } | |
1315 | ||
1316 | if (dcb[0] >= 0x41) { | |
77145f1c | 1317 | NV_WARN(drm, "DCB version 0x%02x unknown\n", dcb[0]); |
6b5a81a2 BS |
1318 | return NULL; |
1319 | } else | |
1320 | if (dcb[0] >= 0x30) { | |
1321 | if (ROM32(dcb[6]) == 0x4edcbdcb) | |
1322 | return dcb; | |
1323 | } else | |
1324 | if (dcb[0] >= 0x20) { | |
1325 | if (ROM32(dcb[4]) == 0x4edcbdcb) | |
1326 | return dcb; | |
1327 | } else | |
1328 | if (dcb[0] >= 0x15) { | |
1329 | if (!memcmp(&dcb[-7], "DEV_REC", 7)) | |
1330 | return dcb; | |
1331 | } else { | |
1332 | /* | |
1333 | * v1.4 (some NV15/16, NV11+) seems the same as v1.5, but | |
1334 | * always has the same single (crt) entry, even when tv-out | |
1335 | * present, so the conclusion is this version cannot really | |
1336 | * be used. | |
1337 | * | |
1338 | * v1.2 tables (some NV6/10, and NV15+) normally have the | |
1339 | * same 5 entries, which are not specific to the card and so | |
1340 | * no use. | |
1341 | * | |
1342 | * v1.2 does have an I2C table that read_dcb_i2c_table can | |
1343 | * handle, but cards exist (nv11 in #14821) with a bad i2c | |
1344 | * table pointer, so use the indices parsed in | |
1345 | * parse_bmp_structure. | |
1346 | * | |
1347 | * v1.1 (NV5+, maybe some NV4) is entirely unhelpful | |
1348 | */ | |
77145f1c | 1349 | NV_WARN(drm, "No useful DCB data in VBIOS\n"); |
6b5a81a2 BS |
1350 | return NULL; |
1351 | } | |
1352 | ||
77145f1c | 1353 | NV_WARN(drm, "DCB header validation failed\n"); |
6b5a81a2 BS |
1354 | return NULL; |
1355 | } | |
1356 | ||
b4c26818 | 1357 | void * |
e0996aea | 1358 | olddcb_outp(struct drm_device *dev, u8 idx) |
6b5a81a2 | 1359 | { |
e0996aea | 1360 | u8 *dcb = olddcb_table(dev); |
6b5a81a2 BS |
1361 | if (dcb && dcb[0] >= 0x30) { |
1362 | if (idx < dcb[2]) | |
1363 | return dcb + dcb[1] + (idx * dcb[3]); | |
1364 | } else | |
1365 | if (dcb && dcb[0] >= 0x20) { | |
1366 | u8 *i2c = ROMPTR(dev, dcb[2]); | |
1367 | u8 *ent = dcb + 8 + (idx * 8); | |
1368 | if (i2c && ent < i2c) | |
1369 | return ent; | |
1370 | } else | |
1371 | if (dcb && dcb[0] >= 0x15) { | |
1372 | u8 *i2c = ROMPTR(dev, dcb[2]); | |
1373 | u8 *ent = dcb + 4 + (idx * 10); | |
1374 | if (i2c && ent < i2c) | |
1375 | return ent; | |
1376 | } | |
1377 | ||
1378 | return NULL; | |
1379 | } | |
1380 | ||
1381 | int | |
e0996aea | 1382 | olddcb_outp_foreach(struct drm_device *dev, void *data, |
6b5a81a2 BS |
1383 | int (*exec)(struct drm_device *, void *, int idx, u8 *outp)) |
1384 | { | |
1385 | int ret, idx = -1; | |
1386 | u8 *outp = NULL; | |
e0996aea | 1387 | while ((outp = olddcb_outp(dev, ++idx))) { |
6b5a81a2 BS |
1388 | if (ROM32(outp[0]) == 0x00000000) |
1389 | break; /* seen on an NV11 with DCB v1.5 */ | |
1390 | if (ROM32(outp[0]) == 0xffffffff) | |
1391 | break; /* seen on an NV17 with DCB v2.0 */ | |
1392 | ||
cb75d97e | 1393 | if ((outp[0] & 0x0f) == DCB_OUTPUT_UNUSED) |
6b5a81a2 | 1394 | continue; |
cb75d97e | 1395 | if ((outp[0] & 0x0f) == DCB_OUTPUT_EOL) |
6b5a81a2 BS |
1396 | break; |
1397 | ||
1398 | ret = exec(dev, data, idx, outp); | |
1399 | if (ret) | |
1400 | return ret; | |
1401 | } | |
1402 | ||
1403 | return 0; | |
1404 | } | |
1405 | ||
befb51e9 | 1406 | u8 * |
cb75d97e | 1407 | olddcb_conntab(struct drm_device *dev) |
befb51e9 | 1408 | { |
e0996aea | 1409 | u8 *dcb = olddcb_table(dev); |
befb51e9 BS |
1410 | if (dcb && dcb[0] >= 0x30 && dcb[1] >= 0x16) { |
1411 | u8 *conntab = ROMPTR(dev, dcb[0x14]); | |
1412 | if (conntab && conntab[0] >= 0x30 && conntab[0] <= 0x40) | |
1413 | return conntab; | |
1414 | } | |
1415 | return NULL; | |
1416 | } | |
1417 | ||
1418 | u8 * | |
cb75d97e | 1419 | olddcb_conn(struct drm_device *dev, u8 idx) |
befb51e9 | 1420 | { |
cb75d97e | 1421 | u8 *conntab = olddcb_conntab(dev); |
befb51e9 BS |
1422 | if (conntab && idx < conntab[2]) |
1423 | return conntab + conntab[1] + (idx * conntab[3]); | |
1424 | return NULL; | |
1425 | } | |
1426 | ||
cb75d97e | 1427 | static struct dcb_output *new_dcb_entry(struct dcb_table *dcb) |
6ee73861 | 1428 | { |
cb75d97e | 1429 | struct dcb_output *entry = &dcb->entry[dcb->entries]; |
6ee73861 | 1430 | |
cb75d97e | 1431 | memset(entry, 0, sizeof(struct dcb_output)); |
6ee73861 BS |
1432 | entry->index = dcb->entries++; |
1433 | ||
1434 | return entry; | |
1435 | } | |
1436 | ||
2e5702af FJ |
1437 | static void fabricate_dcb_output(struct dcb_table *dcb, int type, int i2c, |
1438 | int heads, int or) | |
6ee73861 | 1439 | { |
cb75d97e | 1440 | struct dcb_output *entry = new_dcb_entry(dcb); |
6ee73861 | 1441 | |
2e5702af | 1442 | entry->type = type; |
6ee73861 BS |
1443 | entry->i2c_index = i2c; |
1444 | entry->heads = heads; | |
cb75d97e | 1445 | if (type != DCB_OUTPUT_ANALOG) |
2e5702af FJ |
1446 | entry->location = !DCB_LOC_ON_CHIP; /* ie OFF CHIP */ |
1447 | entry->or = or; | |
6ee73861 BS |
1448 | } |
1449 | ||
1450 | static bool | |
7f245b20 | 1451 | parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb, |
cb75d97e | 1452 | uint32_t conn, uint32_t conf, struct dcb_output *entry) |
6ee73861 | 1453 | { |
77145f1c BS |
1454 | struct nouveau_drm *drm = nouveau_drm(dev); |
1455 | ||
6ee73861 BS |
1456 | entry->type = conn & 0xf; |
1457 | entry->i2c_index = (conn >> 4) & 0xf; | |
1458 | entry->heads = (conn >> 8) & 0xf; | |
befb51e9 | 1459 | entry->connector = (conn >> 12) & 0xf; |
6ee73861 BS |
1460 | entry->bus = (conn >> 16) & 0xf; |
1461 | entry->location = (conn >> 20) & 0x3; | |
1462 | entry->or = (conn >> 24) & 0xf; | |
6ee73861 BS |
1463 | |
1464 | switch (entry->type) { | |
cb75d97e | 1465 | case DCB_OUTPUT_ANALOG: |
6ee73861 BS |
1466 | /* |
1467 | * Although the rest of a CRT conf dword is usually | |
1468 | * zeros, mac biosen have stuff there so we must mask | |
1469 | */ | |
7f245b20 | 1470 | entry->crtconf.maxfreq = (dcb->version < 0x30) ? |
6ee73861 BS |
1471 | (conf & 0xffff) * 10 : |
1472 | (conf & 0xff) * 10000; | |
1473 | break; | |
cb75d97e | 1474 | case DCB_OUTPUT_LVDS: |
6ee73861 BS |
1475 | { |
1476 | uint32_t mask; | |
1477 | if (conf & 0x1) | |
1478 | entry->lvdsconf.use_straps_for_mode = true; | |
7f245b20 | 1479 | if (dcb->version < 0x22) { |
6ee73861 BS |
1480 | mask = ~0xd; |
1481 | /* | |
1482 | * The laptop in bug 14567 lies and claims to not use | |
1483 | * straps when it does, so assume all DCB 2.0 laptops | |
1484 | * use straps, until a broken EDID using one is produced | |
1485 | */ | |
1486 | entry->lvdsconf.use_straps_for_mode = true; | |
1487 | /* | |
1488 | * Both 0x4 and 0x8 show up in v2.0 tables; assume they | |
1489 | * mean the same thing (probably wrong, but might work) | |
1490 | */ | |
1491 | if (conf & 0x4 || conf & 0x8) | |
1492 | entry->lvdsconf.use_power_scripts = true; | |
1493 | } else { | |
a6ed76d7 BS |
1494 | mask = ~0x7; |
1495 | if (conf & 0x2) | |
1496 | entry->lvdsconf.use_acpi_for_edid = true; | |
6ee73861 BS |
1497 | if (conf & 0x4) |
1498 | entry->lvdsconf.use_power_scripts = true; | |
c5875470 | 1499 | entry->lvdsconf.sor.link = (conf & 0x00000030) >> 4; |
6ee73861 BS |
1500 | } |
1501 | if (conf & mask) { | |
1502 | /* | |
1503 | * Until we even try to use these on G8x, it's | |
1504 | * useless reporting unknown bits. They all are. | |
1505 | */ | |
7f245b20 | 1506 | if (dcb->version >= 0x40) |
6ee73861 BS |
1507 | break; |
1508 | ||
77145f1c | 1509 | NV_ERROR(drm, "Unknown LVDS configuration bits, " |
6ee73861 BS |
1510 | "please report\n"); |
1511 | } | |
1512 | break; | |
1513 | } | |
cb75d97e | 1514 | case DCB_OUTPUT_TV: |
6ee73861 | 1515 | { |
7f245b20 | 1516 | if (dcb->version >= 0x30) |
6ee73861 BS |
1517 | entry->tvconf.has_component_output = conf & (0x8 << 4); |
1518 | else | |
1519 | entry->tvconf.has_component_output = false; | |
1520 | ||
1521 | break; | |
1522 | } | |
cb75d97e | 1523 | case DCB_OUTPUT_DP: |
6ee73861 | 1524 | entry->dpconf.sor.link = (conf & 0x00000030) >> 4; |
75a1fccf BS |
1525 | switch ((conf & 0x00e00000) >> 21) { |
1526 | case 0: | |
1527 | entry->dpconf.link_bw = 162000; | |
1528 | break; | |
1529 | default: | |
1530 | entry->dpconf.link_bw = 270000; | |
1531 | break; | |
1532 | } | |
6ee73861 BS |
1533 | switch ((conf & 0x0f000000) >> 24) { |
1534 | case 0xf: | |
1535 | entry->dpconf.link_nr = 4; | |
1536 | break; | |
1537 | case 0x3: | |
1538 | entry->dpconf.link_nr = 2; | |
1539 | break; | |
1540 | default: | |
1541 | entry->dpconf.link_nr = 1; | |
1542 | break; | |
1543 | } | |
1544 | break; | |
cb75d97e | 1545 | case DCB_OUTPUT_TMDS: |
27d50fcc FJ |
1546 | if (dcb->version >= 0x40) |
1547 | entry->tmdsconf.sor.link = (conf & 0x00000030) >> 4; | |
4a9f822f FJ |
1548 | else if (dcb->version >= 0x30) |
1549 | entry->tmdsconf.slave_addr = (conf & 0x00000700) >> 8; | |
27d50fcc FJ |
1550 | else if (dcb->version >= 0x22) |
1551 | entry->tmdsconf.slave_addr = (conf & 0x00000070) >> 4; | |
4a9f822f | 1552 | |
6ee73861 | 1553 | break; |
cb75d97e | 1554 | case DCB_OUTPUT_EOL: |
6ee73861 | 1555 | /* weird g80 mobile type that "nv" treats as a terminator */ |
7f245b20 | 1556 | dcb->entries--; |
6ee73861 | 1557 | return false; |
e7cc51c5 BS |
1558 | default: |
1559 | break; | |
6ee73861 BS |
1560 | } |
1561 | ||
23484874 BS |
1562 | if (dcb->version < 0x40) { |
1563 | /* Normal entries consist of a single bit, but dual link has | |
1564 | * the next most significant bit set too | |
1565 | */ | |
1566 | entry->duallink_possible = | |
1567 | ((1 << (ffs(entry->or) - 1)) * 3 == entry->or); | |
1568 | } else { | |
1569 | entry->duallink_possible = (entry->sorconf.link == 3); | |
1570 | } | |
1571 | ||
6ee73861 BS |
1572 | /* unsure what DCB version introduces this, 3.0? */ |
1573 | if (conf & 0x100000) | |
1574 | entry->i2c_upper_default = true; | |
1575 | ||
1576 | return true; | |
1577 | } | |
1578 | ||
1579 | static bool | |
7f245b20 | 1580 | parse_dcb15_entry(struct drm_device *dev, struct dcb_table *dcb, |
cb75d97e | 1581 | uint32_t conn, uint32_t conf, struct dcb_output *entry) |
6ee73861 | 1582 | { |
77145f1c BS |
1583 | struct nouveau_drm *drm = nouveau_drm(dev); |
1584 | ||
b0d2de86 BS |
1585 | switch (conn & 0x0000000f) { |
1586 | case 0: | |
cb75d97e | 1587 | entry->type = DCB_OUTPUT_ANALOG; |
b0d2de86 BS |
1588 | break; |
1589 | case 1: | |
cb75d97e | 1590 | entry->type = DCB_OUTPUT_TV; |
b0d2de86 BS |
1591 | break; |
1592 | case 2: | |
b0d2de86 | 1593 | case 4: |
fba67528 | 1594 | if (conn & 0x10) |
cb75d97e | 1595 | entry->type = DCB_OUTPUT_LVDS; |
fba67528 | 1596 | else |
cb75d97e | 1597 | entry->type = DCB_OUTPUT_TMDS; |
fba67528 FJ |
1598 | break; |
1599 | case 3: | |
cb75d97e | 1600 | entry->type = DCB_OUTPUT_LVDS; |
b0d2de86 BS |
1601 | break; |
1602 | default: | |
77145f1c | 1603 | NV_ERROR(drm, "Unknown DCB type %d\n", conn & 0x0000000f); |
b0d2de86 | 1604 | return false; |
6ee73861 | 1605 | } |
b0d2de86 BS |
1606 | |
1607 | entry->i2c_index = (conn & 0x0003c000) >> 14; | |
1608 | entry->heads = ((conn & 0x001c0000) >> 18) + 1; | |
1609 | entry->or = entry->heads; /* same as heads, hopefully safe enough */ | |
1610 | entry->location = (conn & 0x01e00000) >> 21; | |
1611 | entry->bus = (conn & 0x0e000000) >> 25; | |
6ee73861 BS |
1612 | entry->duallink_possible = false; |
1613 | ||
1614 | switch (entry->type) { | |
cb75d97e | 1615 | case DCB_OUTPUT_ANALOG: |
6ee73861 BS |
1616 | entry->crtconf.maxfreq = (conf & 0xffff) * 10; |
1617 | break; | |
cb75d97e | 1618 | case DCB_OUTPUT_TV: |
b0d2de86 | 1619 | entry->tvconf.has_component_output = false; |
6ee73861 | 1620 | break; |
cb75d97e | 1621 | case DCB_OUTPUT_LVDS: |
77b1d5dc | 1622 | if ((conn & 0x00003f00) >> 8 != 0x10) |
b0d2de86 BS |
1623 | entry->lvdsconf.use_straps_for_mode = true; |
1624 | entry->lvdsconf.use_power_scripts = true; | |
1625 | break; | |
1626 | default: | |
6ee73861 BS |
1627 | break; |
1628 | } | |
1629 | ||
1630 | return true; | |
1631 | } | |
1632 | ||
6ee73861 | 1633 | static |
7f245b20 | 1634 | void merge_like_dcb_entries(struct drm_device *dev, struct dcb_table *dcb) |
6ee73861 BS |
1635 | { |
1636 | /* | |
1637 | * DCB v2.0 lists each output combination separately. | |
1638 | * Here we merge compatible entries to have fewer outputs, with | |
1639 | * more options | |
1640 | */ | |
1641 | ||
77145f1c | 1642 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
1643 | int i, newentries = 0; |
1644 | ||
1645 | for (i = 0; i < dcb->entries; i++) { | |
cb75d97e | 1646 | struct dcb_output *ient = &dcb->entry[i]; |
6ee73861 BS |
1647 | int j; |
1648 | ||
1649 | for (j = i + 1; j < dcb->entries; j++) { | |
cb75d97e | 1650 | struct dcb_output *jent = &dcb->entry[j]; |
6ee73861 BS |
1651 | |
1652 | if (jent->type == 100) /* already merged entry */ | |
1653 | continue; | |
1654 | ||
1655 | /* merge heads field when all other fields the same */ | |
1656 | if (jent->i2c_index == ient->i2c_index && | |
1657 | jent->type == ient->type && | |
1658 | jent->location == ient->location && | |
1659 | jent->or == ient->or) { | |
77145f1c | 1660 | NV_INFO(drm, "Merging DCB entries %d and %d\n", |
6ee73861 BS |
1661 | i, j); |
1662 | ient->heads |= jent->heads; | |
1663 | jent->type = 100; /* dummy value */ | |
1664 | } | |
1665 | } | |
1666 | } | |
1667 | ||
1668 | /* Compact entries merged into others out of dcb */ | |
1669 | for (i = 0; i < dcb->entries; i++) { | |
1670 | if (dcb->entry[i].type == 100) | |
1671 | continue; | |
1672 | ||
1673 | if (newentries != i) { | |
1674 | dcb->entry[newentries] = dcb->entry[i]; | |
1675 | dcb->entry[newentries].index = newentries; | |
1676 | } | |
1677 | newentries++; | |
1678 | } | |
1679 | ||
1680 | dcb->entries = newentries; | |
1681 | } | |
1682 | ||
df4cf1b7 BS |
1683 | static bool |
1684 | apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf) | |
1685 | { | |
77145f1c BS |
1686 | struct nouveau_drm *drm = nouveau_drm(dev); |
1687 | struct dcb_table *dcb = &drm->vbios.dcb; | |
670820c0 | 1688 | |
df4cf1b7 BS |
1689 | /* Dell Precision M6300 |
1690 | * DCB entry 2: 02025312 00000010 | |
1691 | * DCB entry 3: 02026312 00000020 | |
1692 | * | |
1693 | * Identical, except apparently a different connector on a | |
1694 | * different SOR link. Not a clue how we're supposed to know | |
1695 | * which one is in use if it even shares an i2c line... | |
1696 | * | |
1697 | * Ignore the connector on the second SOR link to prevent | |
1698 | * nasty problems until this is sorted (assuming it's not a | |
1699 | * VBIOS bug). | |
1700 | */ | |
acae116c | 1701 | if (nv_match_device(dev, 0x040d, 0x1028, 0x019b)) { |
df4cf1b7 BS |
1702 | if (*conn == 0x02026312 && *conf == 0x00000020) |
1703 | return false; | |
1704 | } | |
1705 | ||
670820c0 FJ |
1706 | /* GeForce3 Ti 200 |
1707 | * | |
1708 | * DCB reports an LVDS output that should be TMDS: | |
1709 | * DCB entry 1: f2005014 ffffffff | |
1710 | */ | |
1711 | if (nv_match_device(dev, 0x0201, 0x1462, 0x8851)) { | |
1712 | if (*conn == 0xf2005014 && *conf == 0xffffffff) { | |
cb75d97e | 1713 | fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, 1); |
670820c0 FJ |
1714 | return false; |
1715 | } | |
1716 | } | |
1717 | ||
c0929b49 BS |
1718 | /* XFX GT-240X-YA |
1719 | * | |
1720 | * So many things wrong here, replace the entire encoder table.. | |
1721 | */ | |
1722 | if (nv_match_device(dev, 0x0ca3, 0x1682, 0x3003)) { | |
1723 | if (idx == 0) { | |
1724 | *conn = 0x02001300; /* VGA, connector 1 */ | |
1725 | *conf = 0x00000028; | |
1726 | } else | |
1727 | if (idx == 1) { | |
1728 | *conn = 0x01010312; /* DVI, connector 0 */ | |
1729 | *conf = 0x00020030; | |
1730 | } else | |
1731 | if (idx == 2) { | |
1732 | *conn = 0x01010310; /* VGA, connector 0 */ | |
1733 | *conf = 0x00000028; | |
1734 | } else | |
1735 | if (idx == 3) { | |
1736 | *conn = 0x02022362; /* HDMI, connector 2 */ | |
1737 | *conf = 0x00020010; | |
1738 | } else { | |
1739 | *conn = 0x0000000e; /* EOL */ | |
1740 | *conf = 0x00000000; | |
1741 | } | |
1742 | } | |
1743 | ||
e540afc3 BS |
1744 | /* Some other twisted XFX board (rhbz#694914) |
1745 | * | |
1746 | * The DVI/VGA encoder combo that's supposed to represent the | |
1747 | * DVI-I connector actually point at two different ones, and | |
1748 | * the HDMI connector ends up paired with the VGA instead. | |
1749 | * | |
1750 | * Connector table is missing anything for VGA at all, pointing it | |
1751 | * an invalid conntab entry 2 so we figure it out ourself. | |
1752 | */ | |
1753 | if (nv_match_device(dev, 0x0615, 0x1682, 0x2605)) { | |
1754 | if (idx == 0) { | |
1755 | *conn = 0x02002300; /* VGA, connector 2 */ | |
1756 | *conf = 0x00000028; | |
1757 | } else | |
1758 | if (idx == 1) { | |
1759 | *conn = 0x01010312; /* DVI, connector 0 */ | |
1760 | *conf = 0x00020030; | |
1761 | } else | |
1762 | if (idx == 2) { | |
1763 | *conn = 0x04020310; /* VGA, connector 0 */ | |
1764 | *conf = 0x00000028; | |
1765 | } else | |
1766 | if (idx == 3) { | |
1767 | *conn = 0x02021322; /* HDMI, connector 1 */ | |
1768 | *conf = 0x00020010; | |
1769 | } else { | |
1770 | *conn = 0x0000000e; /* EOL */ | |
1771 | *conf = 0x00000000; | |
1772 | } | |
1773 | } | |
1774 | ||
16fde6cd BS |
1775 | /* fdo#50830: connector indices for VGA and DVI-I are backwards */ |
1776 | if (nv_match_device(dev, 0x0421, 0x3842, 0xc793)) { | |
1777 | if (idx == 0 && *conn == 0x02000300) | |
1778 | *conn = 0x02011300; | |
1779 | else | |
1780 | if (idx == 1 && *conn == 0x04011310) | |
1781 | *conn = 0x04000310; | |
1782 | else | |
1783 | if (idx == 2 && *conn == 0x02011312) | |
1784 | *conn = 0x02000312; | |
1785 | } | |
1786 | ||
df4cf1b7 BS |
1787 | return true; |
1788 | } | |
1789 | ||
2e5702af FJ |
1790 | static void |
1791 | fabricate_dcb_encoder_table(struct drm_device *dev, struct nvbios *bios) | |
1792 | { | |
1793 | struct dcb_table *dcb = &bios->dcb; | |
1794 | int all_heads = (nv_two_heads(dev) ? 3 : 1); | |
1795 | ||
1796 | #ifdef __powerpc__ | |
1797 | /* Apple iMac G4 NV17 */ | |
1798 | if (of_machine_is_compatible("PowerMac4,5")) { | |
cb75d97e BS |
1799 | fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, 1); |
1800 | fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, 2); | |
2e5702af FJ |
1801 | return; |
1802 | } | |
1803 | #endif | |
1804 | ||
1805 | /* Make up some sane defaults */ | |
cb75d97e | 1806 | fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, |
0f8067c7 | 1807 | bios->legacy.i2c_indices.crt, 1, 1); |
2e5702af FJ |
1808 | |
1809 | if (nv04_tv_identify(dev, bios->legacy.i2c_indices.tv) >= 0) | |
cb75d97e | 1810 | fabricate_dcb_output(dcb, DCB_OUTPUT_TV, |
0f8067c7 | 1811 | bios->legacy.i2c_indices.tv, |
2e5702af FJ |
1812 | all_heads, 0); |
1813 | ||
1814 | else if (bios->tmds.output0_script_ptr || | |
1815 | bios->tmds.output1_script_ptr) | |
cb75d97e | 1816 | fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, |
0f8067c7 | 1817 | bios->legacy.i2c_indices.panel, |
2e5702af FJ |
1818 | all_heads, 1); |
1819 | } | |
1820 | ||
ed42f824 | 1821 | static int |
6b5a81a2 | 1822 | parse_dcb_entry(struct drm_device *dev, void *data, int idx, u8 *outp) |
6ee73861 | 1823 | { |
77145f1c BS |
1824 | struct nouveau_drm *drm = nouveau_drm(dev); |
1825 | struct dcb_table *dcb = &drm->vbios.dcb; | |
6b5a81a2 BS |
1826 | u32 conf = (dcb->version >= 0x20) ? ROM32(outp[4]) : ROM32(outp[6]); |
1827 | u32 conn = ROM32(outp[0]); | |
1828 | bool ret; | |
6ee73861 | 1829 | |
6b5a81a2 | 1830 | if (apply_dcb_encoder_quirks(dev, idx, &conn, &conf)) { |
cb75d97e | 1831 | struct dcb_output *entry = new_dcb_entry(dcb); |
6ee73861 | 1832 | |
77145f1c | 1833 | NV_INFO(drm, "DCB outp %02d: %08x %08x\n", idx, conn, conf); |
6ee73861 | 1834 | |
6b5a81a2 BS |
1835 | if (dcb->version >= 0x20) |
1836 | ret = parse_dcb20_entry(dev, dcb, conn, conf, entry); | |
1837 | else | |
1838 | ret = parse_dcb15_entry(dev, dcb, conn, conf, entry); | |
1839 | if (!ret) | |
1840 | return 1; /* stop parsing */ | |
befb51e9 BS |
1841 | |
1842 | /* Ignore the I2C index for on-chip TV-out, as there | |
1843 | * are cards with bogus values (nv31m in bug 23212), | |
1844 | * and it's otherwise useless. | |
1845 | */ | |
cb75d97e | 1846 | if (entry->type == DCB_OUTPUT_TV && |
befb51e9 BS |
1847 | entry->location == DCB_LOC_ON_CHIP) |
1848 | entry->i2c_index = 0x0f; | |
6b5a81a2 | 1849 | } |
6ee73861 | 1850 | |
6b5a81a2 BS |
1851 | return 0; |
1852 | } | |
6ee73861 | 1853 | |
befb51e9 BS |
1854 | static void |
1855 | dcb_fake_connectors(struct nvbios *bios) | |
1856 | { | |
1857 | struct dcb_table *dcbt = &bios->dcb; | |
1858 | u8 map[16] = { }; | |
1859 | int i, idx = 0; | |
1860 | ||
1861 | /* heuristic: if we ever get a non-zero connector field, assume | |
1862 | * that all the indices are valid and we don't need fake them. | |
5206b524 BS |
1863 | * |
1864 | * and, as usual, a blacklist of boards with bad bios data.. | |
befb51e9 | 1865 | */ |
5206b524 BS |
1866 | if (!nv_match_device(bios->dev, 0x0392, 0x107d, 0x20a2)) { |
1867 | for (i = 0; i < dcbt->entries; i++) { | |
1868 | if (dcbt->entry[i].connector) | |
1869 | return; | |
1870 | } | |
befb51e9 BS |
1871 | } |
1872 | ||
1873 | /* no useful connector info available, we need to make it up | |
1874 | * ourselves. the rule here is: anything on the same i2c bus | |
1875 | * is considered to be on the same connector. any output | |
1876 | * without an associated i2c bus is assigned its own unique | |
1877 | * connector index. | |
1878 | */ | |
1879 | for (i = 0; i < dcbt->entries; i++) { | |
1880 | u8 i2c = dcbt->entry[i].i2c_index; | |
1881 | if (i2c == 0x0f) { | |
1882 | dcbt->entry[i].connector = idx++; | |
1883 | } else { | |
1884 | if (!map[i2c]) | |
1885 | map[i2c] = ++idx; | |
1886 | dcbt->entry[i].connector = map[i2c] - 1; | |
1887 | } | |
1888 | } | |
1889 | ||
1890 | /* if we created more than one connector, destroy the connector | |
1891 | * table - just in case it has random, rather than stub, entries. | |
1892 | */ | |
1893 | if (i > 1) { | |
cb75d97e | 1894 | u8 *conntab = olddcb_conntab(bios->dev); |
befb51e9 BS |
1895 | if (conntab) |
1896 | conntab[0] = 0x00; | |
1897 | } | |
1898 | } | |
1899 | ||
6b5a81a2 BS |
1900 | static int |
1901 | parse_dcb_table(struct drm_device *dev, struct nvbios *bios) | |
1902 | { | |
77145f1c | 1903 | struct nouveau_drm *drm = nouveau_drm(dev); |
6b5a81a2 | 1904 | struct dcb_table *dcb = &bios->dcb; |
befb51e9 BS |
1905 | u8 *dcbt, *conn; |
1906 | int idx; | |
6b5a81a2 | 1907 | |
e0996aea | 1908 | dcbt = olddcb_table(dev); |
6b5a81a2 BS |
1909 | if (!dcbt) { |
1910 | /* handle pre-DCB boards */ | |
1911 | if (bios->type == NVBIOS_BMP) { | |
1912 | fabricate_dcb_encoder_table(dev, bios); | |
1913 | return 0; | |
6ee73861 BS |
1914 | } |
1915 | ||
6b5a81a2 BS |
1916 | return -EINVAL; |
1917 | } | |
6ee73861 | 1918 | |
77145f1c | 1919 | NV_INFO(drm, "DCB version %d.%d\n", dcbt[0] >> 4, dcbt[0] & 0xf); |
6ee73861 | 1920 | |
6b5a81a2 | 1921 | dcb->version = dcbt[0]; |
e0996aea | 1922 | olddcb_outp_foreach(dev, NULL, parse_dcb_entry); |
6ee73861 BS |
1923 | |
1924 | /* | |
1925 | * apart for v2.1+ not being known for requiring merging, this | |
1926 | * guarantees dcbent->index is the index of the entry in the rom image | |
1927 | */ | |
7f245b20 | 1928 | if (dcb->version < 0x21) |
6ee73861 BS |
1929 | merge_like_dcb_entries(dev, dcb); |
1930 | ||
54abb5dd BS |
1931 | if (!dcb->entries) |
1932 | return -ENXIO; | |
1933 | ||
befb51e9 BS |
1934 | /* dump connector table entries to log, if any exist */ |
1935 | idx = -1; | |
cb75d97e | 1936 | while ((conn = olddcb_conn(dev, ++idx))) { |
befb51e9 | 1937 | if (conn[0] != 0xff) { |
77145f1c | 1938 | NV_INFO(drm, "DCB conn %02d: ", idx); |
cb75d97e | 1939 | if (olddcb_conntab(dev)[3] < 4) |
befb51e9 BS |
1940 | printk("%04x\n", ROM16(conn[0])); |
1941 | else | |
1942 | printk("%08x\n", ROM32(conn[0])); | |
6ee73861 | 1943 | } |
6ee73861 | 1944 | } |
befb51e9 | 1945 | dcb_fake_connectors(bios); |
befb51e9 | 1946 | return 0; |
6ee73861 BS |
1947 | } |
1948 | ||
6ee73861 BS |
1949 | static int load_nv17_hwsq_ucode_entry(struct drm_device *dev, struct nvbios *bios, uint16_t hwsq_offset, int entry) |
1950 | { | |
1951 | /* | |
1952 | * The header following the "HWSQ" signature has the number of entries, | |
1953 | * and the entry size | |
1954 | * | |
1955 | * An entry consists of a dword to write to the sequencer control reg | |
1956 | * (0x00001304), followed by the ucode bytes, written sequentially, | |
1957 | * starting at reg 0x00001400 | |
1958 | */ | |
1959 | ||
77145f1c BS |
1960 | struct nouveau_drm *drm = nouveau_drm(dev); |
1961 | struct nouveau_device *device = nv_device(drm->device); | |
6ee73861 BS |
1962 | uint8_t bytes_to_write; |
1963 | uint16_t hwsq_entry_offset; | |
1964 | int i; | |
1965 | ||
1966 | if (bios->data[hwsq_offset] <= entry) { | |
77145f1c | 1967 | NV_ERROR(drm, "Too few entries in HW sequencer table for " |
6ee73861 BS |
1968 | "requested entry\n"); |
1969 | return -ENOENT; | |
1970 | } | |
1971 | ||
1972 | bytes_to_write = bios->data[hwsq_offset + 1]; | |
1973 | ||
1974 | if (bytes_to_write != 36) { | |
77145f1c | 1975 | NV_ERROR(drm, "Unknown HW sequencer entry size\n"); |
6ee73861 BS |
1976 | return -EINVAL; |
1977 | } | |
1978 | ||
77145f1c | 1979 | NV_INFO(drm, "Loading NV17 power sequencing microcode\n"); |
6ee73861 BS |
1980 | |
1981 | hwsq_entry_offset = hwsq_offset + 2 + entry * bytes_to_write; | |
1982 | ||
1983 | /* set sequencer control */ | |
77145f1c | 1984 | nv_wr32(device, 0x00001304, ROM32(bios->data[hwsq_entry_offset])); |
6ee73861 BS |
1985 | bytes_to_write -= 4; |
1986 | ||
1987 | /* write ucode */ | |
1988 | for (i = 0; i < bytes_to_write; i += 4) | |
77145f1c | 1989 | nv_wr32(device, 0x00001400 + i, ROM32(bios->data[hwsq_entry_offset + i + 4])); |
6ee73861 BS |
1990 | |
1991 | /* twiddle NV_PBUS_DEBUG_4 */ | |
77145f1c | 1992 | nv_wr32(device, NV_PBUS_DEBUG_4, nv_rd32(device, NV_PBUS_DEBUG_4) | 0x18); |
6ee73861 BS |
1993 | |
1994 | return 0; | |
1995 | } | |
1996 | ||
1997 | static int load_nv17_hw_sequencer_ucode(struct drm_device *dev, | |
1998 | struct nvbios *bios) | |
1999 | { | |
2000 | /* | |
2001 | * BMP based cards, from NV17, need a microcode loading to correctly | |
2002 | * control the GPIO etc for LVDS panels | |
2003 | * | |
2004 | * BIT based cards seem to do this directly in the init scripts | |
2005 | * | |
2006 | * The microcode entries are found by the "HWSQ" signature. | |
2007 | */ | |
2008 | ||
2009 | const uint8_t hwsq_signature[] = { 'H', 'W', 'S', 'Q' }; | |
2010 | const int sz = sizeof(hwsq_signature); | |
2011 | int hwsq_offset; | |
2012 | ||
2013 | hwsq_offset = findstr(bios->data, bios->length, hwsq_signature, sz); | |
2014 | if (!hwsq_offset) | |
2015 | return 0; | |
2016 | ||
2017 | /* always use entry 0? */ | |
2018 | return load_nv17_hwsq_ucode_entry(dev, bios, hwsq_offset + sz, 0); | |
2019 | } | |
2020 | ||
2021 | uint8_t *nouveau_bios_embedded_edid(struct drm_device *dev) | |
2022 | { | |
77145f1c BS |
2023 | struct nouveau_drm *drm = nouveau_drm(dev); |
2024 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
2025 | const uint8_t edid_sig[] = { |
2026 | 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 }; | |
2027 | uint16_t offset = 0; | |
2028 | uint16_t newoffset; | |
2029 | int searchlen = NV_PROM_SIZE; | |
2030 | ||
2031 | if (bios->fp.edid) | |
2032 | return bios->fp.edid; | |
2033 | ||
2034 | while (searchlen) { | |
2035 | newoffset = findstr(&bios->data[offset], searchlen, | |
2036 | edid_sig, 8); | |
2037 | if (!newoffset) | |
2038 | return NULL; | |
2039 | offset += newoffset; | |
2040 | if (!nv_cksum(&bios->data[offset], EDID1_LEN)) | |
2041 | break; | |
2042 | ||
2043 | searchlen -= offset; | |
2044 | offset++; | |
2045 | } | |
2046 | ||
77145f1c | 2047 | NV_INFO(drm, "Found EDID in BIOS\n"); |
6ee73861 BS |
2048 | |
2049 | return bios->fp.edid = &bios->data[offset]; | |
2050 | } | |
2051 | ||
6ee73861 BS |
2052 | static bool NVInitVBIOS(struct drm_device *dev) |
2053 | { | |
77145f1c BS |
2054 | struct nouveau_drm *drm = nouveau_drm(dev); |
2055 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
2056 | |
2057 | memset(bios, 0, sizeof(struct nvbios)); | |
c7ca4d1b | 2058 | spin_lock_init(&bios->lock); |
6ee73861 BS |
2059 | bios->dev = dev; |
2060 | ||
77145f1c BS |
2061 | bios->data = nouveau_bios(drm->device)->data; |
2062 | bios->length = nouveau_bios(drm->device)->size; | |
2063 | return true; | |
6ee73861 BS |
2064 | } |
2065 | ||
2066 | static int nouveau_parse_vbios_struct(struct drm_device *dev) | |
2067 | { | |
77145f1c BS |
2068 | struct nouveau_drm *drm = nouveau_drm(dev); |
2069 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
2070 | const uint8_t bit_signature[] = { 0xff, 0xb8, 'B', 'I', 'T' }; |
2071 | const uint8_t bmp_signature[] = { 0xff, 0x7f, 'N', 'V', 0x0 }; | |
2072 | int offset; | |
2073 | ||
2074 | offset = findstr(bios->data, bios->length, | |
2075 | bit_signature, sizeof(bit_signature)); | |
2076 | if (offset) { | |
77145f1c | 2077 | NV_INFO(drm, "BIT BIOS found\n"); |
4709bff0 BS |
2078 | bios->type = NVBIOS_BIT; |
2079 | bios->offset = offset; | |
6ee73861 BS |
2080 | return parse_bit_structure(bios, offset + 6); |
2081 | } | |
2082 | ||
2083 | offset = findstr(bios->data, bios->length, | |
2084 | bmp_signature, sizeof(bmp_signature)); | |
2085 | if (offset) { | |
77145f1c | 2086 | NV_INFO(drm, "BMP BIOS found\n"); |
4709bff0 BS |
2087 | bios->type = NVBIOS_BMP; |
2088 | bios->offset = offset; | |
6ee73861 BS |
2089 | return parse_bmp_structure(dev, bios, offset); |
2090 | } | |
2091 | ||
77145f1c | 2092 | NV_ERROR(drm, "No known BIOS signature found\n"); |
6ee73861 BS |
2093 | return -ENODEV; |
2094 | } | |
2095 | ||
2096 | int | |
2097 | nouveau_run_vbios_init(struct drm_device *dev) | |
2098 | { | |
77145f1c BS |
2099 | struct nouveau_drm *drm = nouveau_drm(dev); |
2100 | struct nvbios *bios = &drm->vbios; | |
b6e4ad20 | 2101 | int ret = 0; |
6ee73861 | 2102 | |
946fd35f FJ |
2103 | /* Reset the BIOS head to 0. */ |
2104 | bios->state.crtchead = 0; | |
6ee73861 BS |
2105 | |
2106 | if (bios->major_version < 5) /* BMP only */ | |
2107 | load_nv17_hw_sequencer_ucode(dev, bios); | |
2108 | ||
2109 | if (bios->execute) { | |
2110 | bios->fp.last_script_invoc = 0; | |
2111 | bios->fp.lvds_init_run = false; | |
2112 | } | |
2113 | ||
6ee73861 BS |
2114 | return ret; |
2115 | } | |
2116 | ||
d13102c6 BS |
2117 | static bool |
2118 | nouveau_bios_posted(struct drm_device *dev) | |
2119 | { | |
77145f1c | 2120 | struct nouveau_drm *drm = nouveau_drm(dev); |
d13102c6 BS |
2121 | unsigned htotal; |
2122 | ||
77145f1c | 2123 | if (nv_device(drm->device)->card_type >= NV_50) { |
d13102c6 BS |
2124 | if (NVReadVgaCrtc(dev, 0, 0x00) == 0 && |
2125 | NVReadVgaCrtc(dev, 0, 0x1a) == 0) | |
2126 | return false; | |
2127 | return true; | |
2128 | } | |
2129 | ||
d13102c6 BS |
2130 | htotal = NVReadVgaCrtc(dev, 0, 0x06); |
2131 | htotal |= (NVReadVgaCrtc(dev, 0, 0x07) & 0x01) << 8; | |
2132 | htotal |= (NVReadVgaCrtc(dev, 0, 0x07) & 0x20) << 4; | |
2133 | htotal |= (NVReadVgaCrtc(dev, 0, 0x25) & 0x01) << 10; | |
2134 | htotal |= (NVReadVgaCrtc(dev, 0, 0x41) & 0x01) << 11; | |
03cd06ca | 2135 | |
d13102c6 BS |
2136 | return (htotal != 0); |
2137 | } | |
2138 | ||
6ee73861 BS |
2139 | int |
2140 | nouveau_bios_init(struct drm_device *dev) | |
2141 | { | |
77145f1c BS |
2142 | struct nouveau_drm *drm = nouveau_drm(dev); |
2143 | struct nvbios *bios = &drm->vbios; | |
6ee73861 BS |
2144 | int ret; |
2145 | ||
6ee73861 BS |
2146 | if (!NVInitVBIOS(dev)) |
2147 | return -ENODEV; | |
2148 | ||
2149 | ret = nouveau_parse_vbios_struct(dev); | |
2150 | if (ret) | |
2151 | return ret; | |
2152 | ||
2e5702af | 2153 | ret = parse_dcb_table(dev, bios); |
6ee73861 BS |
2154 | if (ret) |
2155 | return ret; | |
2156 | ||
6ee73861 BS |
2157 | if (!bios->major_version) /* we don't run version 0 bios */ |
2158 | return 0; | |
2159 | ||
6ee73861 BS |
2160 | /* init script execution disabled */ |
2161 | bios->execute = false; | |
2162 | ||
2163 | /* ... unless card isn't POSTed already */ | |
d13102c6 | 2164 | if (!nouveau_bios_posted(dev)) { |
77145f1c | 2165 | NV_INFO(drm, "Adaptor not initialised, " |
67eda20e | 2166 | "running VBIOS init tables.\n"); |
6ee73861 BS |
2167 | bios->execute = true; |
2168 | } | |
2169 | ||
6ee73861 | 2170 | ret = nouveau_run_vbios_init(dev); |
04a39c57 | 2171 | if (ret) |
6ee73861 | 2172 | return ret; |
6ee73861 BS |
2173 | |
2174 | /* feature_byte on BMP is poor, but init always sets CR4B */ | |
6ee73861 BS |
2175 | if (bios->major_version < 5) |
2176 | bios->is_mobile = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_4B) & 0x40; | |
2177 | ||
2178 | /* all BIT systems need p_f_m_t for digital_min_front_porch */ | |
2179 | if (bios->is_mobile || bios->major_version >= 5) | |
2180 | ret = parse_fp_mode_table(dev, bios); | |
6ee73861 BS |
2181 | |
2182 | /* allow subsequent scripts to execute */ | |
2183 | bios->execute = true; | |
2184 | ||
2185 | return 0; | |
2186 | } | |
2187 | ||
2188 | void | |
2189 | nouveau_bios_takedown(struct drm_device *dev) | |
2190 | { | |
6ee73861 | 2191 | } |