2 * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
3 * Copyright 2005 Stephane Marchesin
5 * The Weather Channel (TM) funded Tungsten Graphics to develop the
6 * initial release of the Radeon 8500 driver under the XFree86 license.
7 * This notice must be preserved.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
29 * Ben Skeggs <bskeggs@redhat.com>
30 * Roy Spliet <r.spliet@student.tudelft.nl>
36 #include "drm_sarea.h"
38 #include "nouveau_drv.h"
39 #include "nouveau_pm.h"
42 nv40_mem_timing_calc(struct drm_device *dev, u32 freq,
43 struct nouveau_pm_tbl_entry *e, u8 len,
44 struct nouveau_pm_memtiming *boot,
45 struct nouveau_pm_memtiming *t)
47 t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC);
49 /* XXX: I don't trust the -1's and +1's... they must come
51 t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 |
53 (e->tWTR + 2 + (t->tCWL - 1)) << 8 |
54 (e->tCL + 2 - (t->tCWL - 1));
56 t->reg[2] = 0x20200000 |
57 ((t->tCWL - 1) << 24 |
62 NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x\n", t->id,
63 t->reg[0], t->reg[1], t->reg[2]);
68 nv50_mem_timing_calc(struct drm_device *dev, u32 freq,
69 struct nouveau_pm_tbl_entry *e, u8 len,
70 struct nouveau_pm_memtiming *boot,
71 struct nouveau_pm_memtiming *t)
74 uint8_t unk18 = 1, unk20 = 0, unk21 = 0, tmp7_3;
76 if (bit_table(dev, 'P', &P))
79 switch (min(len, (u8) 22)) {
92 t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC);
94 t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 |
95 max(unk18, (u8) 1) << 16 |
96 (e->tWTR + 2 + (t->tCWL - 1)) << 8;
98 t->reg[2] = ((t->tCWL - 1) << 24 |
103 t->reg[4] = e->tUNK_13 << 8 | e->tUNK_13;
105 t->reg[5] = (e->tRFC << 24 | max(e->tRCDRD, e->tRCDWR) << 16 | e->tRP);
107 t->reg[8] = boot->reg[8] & 0xffffff00;
109 if (P.version == 1) {
110 t->reg[1] |= (e->tCL + 2 - (t->tCWL - 1));
112 t->reg[3] = (0x14 + e->tCL) << 24 |
117 t->reg[4] |= boot->reg[4] & 0xffff0000;
119 t->reg[6] = (0x33 - t->tCWL) << 16 |
121 (0x2e + e->tCL - t->tCWL);
123 t->reg[7] = 0x4000202 | (e->tCL - 1) << 16;
125 /* XXX: P.version == 1 only has DDR2 and GDDR3? */
126 if (nvfb_vram_type(dev) == NV_MEM_TYPE_DDR2) {
127 t->reg[5] |= (e->tCL + 3) << 8;
128 t->reg[6] |= (t->tCWL - 2) << 8;
129 t->reg[8] |= (e->tCL - 4);
131 t->reg[5] |= (e->tCL + 2) << 8;
132 t->reg[6] |= t->tCWL << 8;
133 t->reg[8] |= (e->tCL - 2);
136 t->reg[1] |= (5 + e->tCL - (t->tCWL));
138 /* XXX: 0xb? 0x30? */
139 t->reg[3] = (0x30 + e->tCL) << 24 |
140 (boot->reg[3] & 0x00ff0000)|
141 (0xb + e->tCL) << 8 |
144 t->reg[4] |= (unk20 << 24 | unk21 << 16);
147 t->reg[5] |= (t->tCWL + 6) << 8;
149 t->reg[6] = (0x5a + e->tCL) << 16 |
150 (6 - e->tCL + t->tCWL) << 8 |
151 (0x50 + e->tCL - t->tCWL);
153 tmp7_3 = (boot->reg[7] & 0xff000000) >> 24;
154 t->reg[7] = (tmp7_3 << 24) |
155 ((tmp7_3 - 6 + e->tCL) << 16) |
159 NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", t->id,
160 t->reg[0], t->reg[1], t->reg[2], t->reg[3]);
161 NV_DEBUG(dev, " 230: %08x %08x %08x %08x\n",
162 t->reg[4], t->reg[5], t->reg[6], t->reg[7]);
163 NV_DEBUG(dev, " 240: %08x\n", t->reg[8]);
168 nvc0_mem_timing_calc(struct drm_device *dev, u32 freq,
169 struct nouveau_pm_tbl_entry *e, u8 len,
170 struct nouveau_pm_memtiming *boot,
171 struct nouveau_pm_memtiming *t)
176 t->reg[0] = (e->tRP << 24 | (e->tRAS & 0x7f) << 17 |
177 e->tRFC << 8 | e->tRC);
179 t->reg[1] = (boot->reg[1] & 0xff000000) |
180 (e->tRCDWR & 0x0f) << 20 |
181 (e->tRCDRD & 0x0f) << 14 |
185 t->reg[2] = (boot->reg[2] & 0xff0000ff) |
186 e->tWR << 16 | e->tWTR << 8;
188 t->reg[3] = (e->tUNK_20 & 0x1f) << 9 |
189 (e->tUNK_21 & 0xf) << 5 |
192 t->reg[4] = (boot->reg[4] & 0xfff00fff) |
193 (e->tRRD&0x1f) << 15;
195 NV_DEBUG(dev, "Entry %d: 290: %08x %08x %08x %08x\n", t->id,
196 t->reg[0], t->reg[1], t->reg[2], t->reg[3]);
197 NV_DEBUG(dev, " 2a0: %08x\n", t->reg[4]);
202 * MR generation methods
206 nouveau_mem_ddr2_mr(struct drm_device *dev, u32 freq,
207 struct nouveau_pm_tbl_entry *e, u8 len,
208 struct nouveau_pm_memtiming *boot,
209 struct nouveau_pm_memtiming *t)
211 t->drive_strength = 0;
215 t->odt = e->RAM_FT1 & 0x07;
218 if (e->tCL >= NV_MEM_CL_DDR2_MAX) {
219 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
223 if (e->tWR >= NV_MEM_WR_DDR2_MAX) {
224 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
229 NV_WARN(dev, "(%u) Invalid odt value, assuming disabled: %x",
234 t->mr[0] = (boot->mr[0] & 0x100f) |
237 t->mr[1] = (boot->mr[1] & 0x101fbb) |
238 (t->odt & 0x1) << 2 |
241 NV_DEBUG(dev, "(%u) MR: %08x", t->id, t->mr[0]);
245 uint8_t nv_mem_wr_lut_ddr3[NV_MEM_WR_DDR3_MAX] = {
246 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 0, 0};
249 nouveau_mem_ddr3_mr(struct drm_device *dev, u32 freq,
250 struct nouveau_pm_tbl_entry *e, u8 len,
251 struct nouveau_pm_memtiming *boot,
252 struct nouveau_pm_memtiming *t)
256 t->drive_strength = 0;
260 t->odt = e->RAM_FT1 & 0x07;
263 if (e->tCL >= NV_MEM_CL_DDR3_MAX || e->tCL < 4) {
264 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
268 if (e->tWR >= NV_MEM_WR_DDR3_MAX || e->tWR < 4) {
269 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
274 NV_WARN(dev, "(%u) Invalid tCWL: %u", t->id, e->tCWL);
278 t->mr[0] = (boot->mr[0] & 0x180b) |
282 (nv_mem_wr_lut_ddr3[e->tWR]) << 9;
283 t->mr[1] = (boot->mr[1] & 0x101dbb) |
284 (t->odt & 0x1) << 2 |
285 (t->odt & 0x2) << 5 |
287 t->mr[2] = (boot->mr[2] & 0x20ffb7) | (e->tCWL - 5) << 3;
289 NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[2]);
293 uint8_t nv_mem_cl_lut_gddr3[NV_MEM_CL_GDDR3_MAX] = {
294 0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3, 8, 9, 10, 11};
295 uint8_t nv_mem_wr_lut_gddr3[NV_MEM_WR_GDDR3_MAX] = {
296 0, 0, 0, 0, 0, 2, 3, 8, 9, 10, 11, 0, 0, 1, 1, 0, 3};
299 nouveau_mem_gddr3_mr(struct drm_device *dev, u32 freq,
300 struct nouveau_pm_tbl_entry *e, u8 len,
301 struct nouveau_pm_memtiming *boot,
302 struct nouveau_pm_memtiming *t)
305 t->drive_strength = boot->drive_strength;
308 t->drive_strength = (e->RAM_FT1 & 0x30) >> 4;
309 t->odt = e->RAM_FT1 & 0x07;
312 if (e->tCL >= NV_MEM_CL_GDDR3_MAX) {
313 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
317 if (e->tWR >= NV_MEM_WR_GDDR3_MAX) {
318 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
323 NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x",
328 t->mr[0] = (boot->mr[0] & 0xe0b) |
330 ((nv_mem_cl_lut_gddr3[e->tCL] & 0x7) << 4) |
331 ((nv_mem_cl_lut_gddr3[e->tCL] & 0x8) >> 2);
332 t->mr[1] = (boot->mr[1] & 0x100f40) | t->drive_strength |
334 (nv_mem_wr_lut_gddr3[e->tWR] & 0xf) << 4;
335 t->mr[2] = boot->mr[2];
337 NV_DEBUG(dev, "(%u) MR: %08x %08x %08x", t->id,
338 t->mr[0], t->mr[1], t->mr[2]);
343 nouveau_mem_gddr5_mr(struct drm_device *dev, u32 freq,
344 struct nouveau_pm_tbl_entry *e, u8 len,
345 struct nouveau_pm_memtiming *boot,
346 struct nouveau_pm_memtiming *t)
349 t->drive_strength = boot->drive_strength;
352 t->drive_strength = (e->RAM_FT1 & 0x30) >> 4;
353 t->odt = e->RAM_FT1 & 0x03;
356 if (e->tCL >= NV_MEM_CL_GDDR5_MAX) {
357 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
361 if (e->tWR >= NV_MEM_WR_GDDR5_MAX) {
362 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
367 NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x",
372 t->mr[0] = (boot->mr[0] & 0x007) |
373 ((e->tCL - 5) << 3) |
375 t->mr[1] = (boot->mr[1] & 0x1007f0) |
379 NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[1]);
384 nouveau_mem_timing_calc(struct drm_device *dev, u32 freq,
385 struct nouveau_pm_memtiming *t)
387 struct drm_nouveau_private *dev_priv = dev->dev_private;
388 struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
389 struct nouveau_pm_memtiming *boot = &pm->boot.timing;
390 struct nouveau_pm_tbl_entry *e;
391 u8 ver, len, *ptr, *ramcfg;
394 ptr = nouveau_perf_timing(dev, freq, &ver, &len);
395 if (!ptr || ptr[0] == 0x00) {
399 e = (struct nouveau_pm_tbl_entry *)ptr;
401 t->tCWL = boot->tCWL;
403 switch (dev_priv->card_type) {
405 ret = nv40_mem_timing_calc(dev, freq, e, len, boot, t);
408 ret = nv50_mem_timing_calc(dev, freq, e, len, boot, t);
412 ret = nvc0_mem_timing_calc(dev, freq, e, len, boot, t);
419 switch (nvfb_vram_type(dev) * !ret) {
420 case NV_MEM_TYPE_GDDR3:
421 ret = nouveau_mem_gddr3_mr(dev, freq, e, len, boot, t);
423 case NV_MEM_TYPE_GDDR5:
424 ret = nouveau_mem_gddr5_mr(dev, freq, e, len, boot, t);
426 case NV_MEM_TYPE_DDR2:
427 ret = nouveau_mem_ddr2_mr(dev, freq, e, len, boot, t);
429 case NV_MEM_TYPE_DDR3:
430 ret = nouveau_mem_ddr3_mr(dev, freq, e, len, boot, t);
437 ramcfg = nouveau_perf_ramcfg(dev, freq, &ver, &len);
442 dll_off = !!(ramcfg[3] & 0x04);
444 dll_off = !!(ramcfg[2] & 0x40);
446 switch (nvfb_vram_type(dev)) {
447 case NV_MEM_TYPE_GDDR3:
448 t->mr[1] &= ~0x00000040;
449 t->mr[1] |= 0x00000040 * dll_off;
452 t->mr[1] &= ~0x00000001;
453 t->mr[1] |= 0x00000001 * dll_off;
462 nouveau_mem_timing_read(struct drm_device *dev, struct nouveau_pm_memtiming *t)
464 struct drm_nouveau_private *dev_priv = dev->dev_private;
465 u32 timing_base, timing_regs, mr_base;
468 if (dev_priv->card_type >= 0xC0) {
469 timing_base = 0x10f290;
472 timing_base = 0x100220;
478 switch (dev_priv->card_type) {
494 for(i = 0; i < timing_regs; i++)
495 t->reg[i] = nv_rd32(dev, timing_base + (0x04 * i));
498 if (dev_priv->card_type < NV_C0) {
499 t->tCWL = ((nv_rd32(dev, 0x100228) & 0x0f000000) >> 24) + 1;
500 } else if (dev_priv->card_type <= NV_D0) {
501 t->tCWL = ((nv_rd32(dev, 0x10f294) & 0x00000f80) >> 7);
504 t->mr[0] = nv_rd32(dev, mr_base);
505 t->mr[1] = nv_rd32(dev, mr_base + 0x04);
506 t->mr[2] = nv_rd32(dev, mr_base + 0x20);
507 t->mr[3] = nv_rd32(dev, mr_base + 0x24);
510 t->drive_strength = 0;
512 switch (nvfb_vram_type(dev)) {
513 case NV_MEM_TYPE_DDR3:
514 t->odt |= (t->mr[1] & 0x200) >> 7;
515 case NV_MEM_TYPE_DDR2:
516 t->odt |= (t->mr[1] & 0x04) >> 2 |
517 (t->mr[1] & 0x40) >> 5;
519 case NV_MEM_TYPE_GDDR3:
520 case NV_MEM_TYPE_GDDR5:
521 t->drive_strength = t->mr[1] & 0x03;
522 t->odt = (t->mr[1] & 0x0c) >> 2;
530 nouveau_mem_exec(struct nouveau_mem_exec_func *exec,
531 struct nouveau_pm_level *perflvl)
533 struct drm_nouveau_private *dev_priv = exec->dev->dev_private;
534 struct nouveau_pm_memtiming *info = &perflvl->timing;
535 u32 tMRD = 1000, tCKSRE = 0, tCKSRX = 0, tXS = 0, tDLLK = 0;
536 u32 mr[3] = { info->mr[0], info->mr[1], info->mr[2] };
539 switch (nvfb_vram_type(dev_priv->dev)) {
540 case NV_MEM_TYPE_DDR2:
542 mr1_dlloff = 0x00000001;
544 case NV_MEM_TYPE_DDR3:
548 mr1_dlloff = 0x00000001;
550 case NV_MEM_TYPE_GDDR3:
552 mr1_dlloff = 0x00000040;
555 NV_ERROR(exec->dev, "cannot reclock unsupported memtype\n");
559 /* fetch current MRs */
560 switch (nvfb_vram_type(dev_priv->dev)) {
561 case NV_MEM_TYPE_GDDR3:
562 case NV_MEM_TYPE_DDR3:
563 mr[2] = exec->mrg(exec, 2);
565 mr[1] = exec->mrg(exec, 1);
566 mr[0] = exec->mrg(exec, 0);
570 /* DLL 'on' -> DLL 'off' mode, disable before entering self-refresh */
571 if (!(mr[1] & mr1_dlloff) && (info->mr[1] & mr1_dlloff)) {
572 exec->precharge(exec);
573 exec->mrs (exec, 1, mr[1] | mr1_dlloff);
574 exec->wait(exec, tMRD);
577 /* enter self-refresh mode */
578 exec->precharge(exec);
581 exec->refresh_auto(exec, false);
582 exec->refresh_self(exec, true);
583 exec->wait(exec, tCKSRE);
585 /* modify input clock frequency */
586 exec->clock_set(exec);
588 /* exit self-refresh mode */
589 exec->wait(exec, tCKSRX);
590 exec->precharge(exec);
591 exec->refresh_self(exec, false);
592 exec->refresh_auto(exec, true);
593 exec->wait(exec, tXS);
594 exec->wait(exec, tXS);
597 if (mr[2] != info->mr[2]) {
598 exec->mrs (exec, 2, info->mr[2]);
599 exec->wait(exec, tMRD);
602 if (mr[1] != info->mr[1]) {
603 /* need to keep DLL off until later, at least on GDDR3 */
604 exec->mrs (exec, 1, info->mr[1] | (mr[1] & mr1_dlloff));
605 exec->wait(exec, tMRD);
608 if (mr[0] != info->mr[0]) {
609 exec->mrs (exec, 0, info->mr[0]);
610 exec->wait(exec, tMRD);
613 /* update PFB timing registers */
614 exec->timing_set(exec);
616 /* DLL (enable + ) reset */
617 if (!(info->mr[1] & mr1_dlloff)) {
618 if (mr[1] & mr1_dlloff) {
619 exec->mrs (exec, 1, info->mr[1]);
620 exec->wait(exec, tMRD);
622 exec->mrs (exec, 0, info->mr[0] | 0x00000100);
623 exec->wait(exec, tMRD);
624 exec->mrs (exec, 0, info->mr[0] | 0x00000000);
625 exec->wait(exec, tMRD);
626 exec->wait(exec, tDLLK);
627 if (nvfb_vram_type(dev_priv->dev) == NV_MEM_TYPE_GDDR3)
628 exec->precharge(exec);
635 nouveau_mem_vbios_type(struct drm_device *dev)
638 u8 ramcfg = (nv_rd32(dev, 0x101000) & 0x0000003c) >> 2;
639 if (!bit_table(dev, 'M', &M) || M.version != 2 || M.length < 5) {
640 u8 *table = ROMPTR(dev, M.data[3]);
641 if (table && table[0] == 0x10 && ramcfg < table[3]) {
642 u8 *entry = table + table[1] + (ramcfg * table[2]);
643 switch (entry[0] & 0x0f) {
644 case 0: return NV_MEM_TYPE_DDR2;
645 case 1: return NV_MEM_TYPE_DDR3;
646 case 2: return NV_MEM_TYPE_GDDR3;
647 case 3: return NV_MEM_TYPE_GDDR5;
654 return NV_MEM_TYPE_UNKNOWN;