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Linux 2.6.21-rc3
[linux/fpc-iii.git] / drivers / video / aty / radeon_pm.c
blob9a2b0d69b0ae7ebdb8bc0dac91a686e986c27f11
1 /*
2 * drivers/video/aty/radeon_pm.c
3 *
4 * Copyright 2003,2004 Ben. Herrenschmidt <benh@kernel.crashing.org>
5 * Copyright 2004 Paul Mackerras <paulus@samba.org>
6 *
7 * This is the power management code for ATI radeon chipsets. It contains
8 * some dynamic clock PM enable/disable code similar to what X.org does,
9 * some D2-state (APM-style) sleep/wakeup code for use on some PowerMacs,
10 * and the necessary bits to re-initialize from scratch a few chips found
11 * on PowerMacs as well. The later could be extended to more platforms
12 * provided the memory controller configuration code be made more generic,
13 * and you can get the proper mode register commands for your RAMs.
14 * Those things may be found in the BIOS image...
15 */
16
17 #include "radeonfb.h"
18
19 #include <linux/console.h>
20 #include <linux/agp_backend.h>
21
22 #ifdef CONFIG_PPC_PMAC
23 #include <asm/machdep.h>
24 #include <asm/prom.h>
25 #include <asm/pmac_feature.h>
26 #endif
27
28 #include "ati_ids.h"
29
30 static void radeon_reinitialize_M10(struct radeonfb_info *rinfo);
31
32 /*
33 * Workarounds for bugs in PC laptops:
34 * - enable D2 sleep in some IBM Thinkpads
35 * - special case for Samsung P35
36 *
37 * Whitelist by subsystem vendor/device because
38 * its the subsystem vendor's fault!
39 */
40
41 #if defined(CONFIG_PM) && defined(CONFIG_X86)
42 struct radeon_device_id {
43 const char *ident; /* (arbitrary) Name */
44 const unsigned short subsystem_vendor; /* Subsystem Vendor ID */
45 const unsigned short subsystem_device; /* Subsystem Device ID */
46 const enum radeon_pm_mode pm_mode_modifier; /* modify pm_mode */
47 const reinit_function_ptr new_reinit_func; /* changed reinit_func */
48 };
49
50 #define BUGFIX(model, sv, sd, pm, fn) { \
51 .ident = model, \
52 .subsystem_vendor = sv, \
53 .subsystem_device = sd, \
54 .pm_mode_modifier = pm, \
55 .new_reinit_func = fn \
56 }
57
58 static struct radeon_device_id radeon_workaround_list[] = {
59 BUGFIX("IBM Thinkpad R32",
60 PCI_VENDOR_ID_IBM, 0x1905,
61 radeon_pm_d2, NULL),
62 BUGFIX("IBM Thinkpad R40",
63 PCI_VENDOR_ID_IBM, 0x0526,
64 radeon_pm_d2, NULL),
65 BUGFIX("IBM Thinkpad R40",
66 PCI_VENDOR_ID_IBM, 0x0527,
67 radeon_pm_d2, NULL),
68 BUGFIX("IBM Thinkpad R50/R51/T40/T41",
69 PCI_VENDOR_ID_IBM, 0x0531,
70 radeon_pm_d2, NULL),
71 BUGFIX("IBM Thinkpad R51/T40/T41/T42",
72 PCI_VENDOR_ID_IBM, 0x0530,
73 radeon_pm_d2, NULL),
74 BUGFIX("IBM Thinkpad T30",
75 PCI_VENDOR_ID_IBM, 0x0517,
76 radeon_pm_d2, NULL),
77 BUGFIX("IBM Thinkpad T40p",
78 PCI_VENDOR_ID_IBM, 0x054d,
79 radeon_pm_d2, NULL),
80 BUGFIX("IBM Thinkpad T42",
81 PCI_VENDOR_ID_IBM, 0x0550,
82 radeon_pm_d2, NULL),
83 BUGFIX("IBM Thinkpad X31/X32",
84 PCI_VENDOR_ID_IBM, 0x052f,
85 radeon_pm_d2, NULL),
86 BUGFIX("Samsung P35",
87 PCI_VENDOR_ID_SAMSUNG, 0xc00c,
88 radeon_pm_off, radeon_reinitialize_M10),
89 BUGFIX("Acer Aspire 2010",
90 PCI_VENDOR_ID_AI, 0x0061,
91 radeon_pm_off, radeon_reinitialize_M10),
92 { .ident = NULL }
93 };
94
95 static int radeon_apply_workarounds(struct radeonfb_info *rinfo)
96 {
97 struct radeon_device_id *id;
98
99 for (id = radeon_workaround_list; id->ident != NULL; id++ )
100 if ((id->subsystem_vendor == rinfo->pdev->subsystem_vendor ) &&
101 (id->subsystem_device == rinfo->pdev->subsystem_device )) {
102
103 /* we found a device that requires workaround */
104 printk(KERN_DEBUG "radeonfb: %s detected"
105 ", enabling workaround\n", id->ident);
106
107 rinfo->pm_mode |= id->pm_mode_modifier;
108
109 if (id->new_reinit_func != NULL)
110 rinfo->reinit_func = id->new_reinit_func;
111
112 return 1;
113 }
114 return 0; /* not found */
115 }
116
117 #else /* defined(CONFIG_PM) && defined(CONFIG_X86) */
118 static inline int radeon_apply_workarounds(struct radeonfb_info *rinfo)
119 {
120 return 0;
121 }
122 #endif /* defined(CONFIG_PM) && defined(CONFIG_X86) */
123
124
125
126 static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo)
127 {
128 u32 tmp;
129
130 /* RV100 */
131 if ((rinfo->family == CHIP_FAMILY_RV100) && (!rinfo->is_mobility)) {
132 if (rinfo->has_CRTC2) {
133 tmp = INPLL(pllSCLK_CNTL);
134 tmp &= ~SCLK_CNTL__DYN_STOP_LAT_MASK;
135 tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT | SCLK_CNTL__FORCEON_MASK;
136 OUTPLL(pllSCLK_CNTL, tmp);
137 }
138 tmp = INPLL(pllMCLK_CNTL);
139 tmp |= (MCLK_CNTL__FORCE_MCLKA |
140 MCLK_CNTL__FORCE_MCLKB |
141 MCLK_CNTL__FORCE_YCLKA |
142 MCLK_CNTL__FORCE_YCLKB |
143 MCLK_CNTL__FORCE_AIC |
144 MCLK_CNTL__FORCE_MC);
145 OUTPLL(pllMCLK_CNTL, tmp);
146 return;
147 }
148 /* R100 */
149 if (!rinfo->has_CRTC2) {
150 tmp = INPLL(pllSCLK_CNTL);
151 tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_HDP |
152 SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP |
153 SCLK_CNTL__FORCE_E2 | SCLK_CNTL__FORCE_SE |
154 SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_VIP |
155 SCLK_CNTL__FORCE_RE | SCLK_CNTL__FORCE_PB |
156 SCLK_CNTL__FORCE_TAM | SCLK_CNTL__FORCE_TDM |
157 SCLK_CNTL__FORCE_RB);
158 OUTPLL(pllSCLK_CNTL, tmp);
159 return;
160 }
161 /* RV350 (M10/M11) */
162 if (rinfo->family == CHIP_FAMILY_RV350) {
163 /* for RV350/M10/M11, no delays are required. */
164 tmp = INPLL(pllSCLK_CNTL2);
165 tmp |= (SCLK_CNTL2__R300_FORCE_TCL |
166 SCLK_CNTL2__R300_FORCE_GA |
167 SCLK_CNTL2__R300_FORCE_CBA);
168 OUTPLL(pllSCLK_CNTL2, tmp);
169
170 tmp = INPLL(pllSCLK_CNTL);
171 tmp |= (SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP |
172 SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 |
173 SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 |
174 SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT |
175 SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR |
176 SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX |
177 SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK |
178 SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0);
179 OUTPLL(pllSCLK_CNTL, tmp);
180
181 tmp = INPLL(pllSCLK_MORE_CNTL);
182 tmp |= (SCLK_MORE_CNTL__FORCE_DISPREGS | SCLK_MORE_CNTL__FORCE_MC_GUI |
183 SCLK_MORE_CNTL__FORCE_MC_HOST);
184 OUTPLL(pllSCLK_MORE_CNTL, tmp);
185
186 tmp = INPLL(pllMCLK_CNTL);
187 tmp |= (MCLK_CNTL__FORCE_MCLKA |
188 MCLK_CNTL__FORCE_MCLKB |
189 MCLK_CNTL__FORCE_YCLKA |
190 MCLK_CNTL__FORCE_YCLKB |
191 MCLK_CNTL__FORCE_MC);
192 OUTPLL(pllMCLK_CNTL, tmp);
193
194 tmp = INPLL(pllVCLK_ECP_CNTL);
195 tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb |
196 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb |
197 VCLK_ECP_CNTL__R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF);
198 OUTPLL(pllVCLK_ECP_CNTL, tmp);
199
200 tmp = INPLL(pllPIXCLKS_CNTL);
201 tmp &= ~(PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb |
202 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb |
203 PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb |
204 PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb |
205 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb |
206 PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb |
207 PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb |
208 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb |
209 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb |
210 PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb |
211 PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb |
212 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb |
213 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb |
214 PIXCLKS_CNTL__R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF);
215 OUTPLL(pllPIXCLKS_CNTL, tmp);
216
217 return;
218 }
219
220 /* Default */
221
222 /* Force Core Clocks */
223 tmp = INPLL(pllSCLK_CNTL);
224 tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_E2);
225
226 /* XFree doesn't do that case, but we had this code from Apple and it
227 * seem necessary for proper suspend/resume operations
228 */
229 if (rinfo->is_mobility) {
230 tmp |= SCLK_CNTL__FORCE_HDP|
231 SCLK_CNTL__FORCE_DISP1|
232 SCLK_CNTL__FORCE_DISP2|
233 SCLK_CNTL__FORCE_TOP|
234 SCLK_CNTL__FORCE_SE|
235 SCLK_CNTL__FORCE_IDCT|
236 SCLK_CNTL__FORCE_VIP|
237 SCLK_CNTL__FORCE_PB|
238 SCLK_CNTL__FORCE_RE|
239 SCLK_CNTL__FORCE_TAM|
240 SCLK_CNTL__FORCE_TDM|
241 SCLK_CNTL__FORCE_RB|
242 SCLK_CNTL__FORCE_TV_SCLK|
243 SCLK_CNTL__FORCE_SUBPIC|
244 SCLK_CNTL__FORCE_OV0;
245 }
246 else if (rinfo->family == CHIP_FAMILY_R300 ||
247 rinfo->family == CHIP_FAMILY_R350) {
248 tmp |= SCLK_CNTL__FORCE_HDP |
249 SCLK_CNTL__FORCE_DISP1 |
250 SCLK_CNTL__FORCE_DISP2 |
251 SCLK_CNTL__FORCE_TOP |
252 SCLK_CNTL__FORCE_IDCT |
253 SCLK_CNTL__FORCE_VIP;
254 }
255 OUTPLL(pllSCLK_CNTL, tmp);
256 radeon_msleep(16);
257
258 if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) {
259 tmp = INPLL(pllSCLK_CNTL2);
260 tmp |= SCLK_CNTL2__R300_FORCE_TCL |
261 SCLK_CNTL2__R300_FORCE_GA |
262 SCLK_CNTL2__R300_FORCE_CBA;
263 OUTPLL(pllSCLK_CNTL2, tmp);
264 radeon_msleep(16);
265 }
266
267 tmp = INPLL(pllCLK_PIN_CNTL);
268 tmp &= ~CLK_PIN_CNTL__SCLK_DYN_START_CNTL;
269 OUTPLL(pllCLK_PIN_CNTL, tmp);
270 radeon_msleep(15);
271
272 if (rinfo->is_IGP) {
273 /* Weird ... X is _un_ forcing clocks here, I think it's
274 * doing backward. Imitate it for now...
275 */
276 tmp = INPLL(pllMCLK_CNTL);
277 tmp &= ~(MCLK_CNTL__FORCE_MCLKA |
278 MCLK_CNTL__FORCE_YCLKA);
279 OUTPLL(pllMCLK_CNTL, tmp);
280 radeon_msleep(16);
281 }
282 /* Hrm... same shit, X doesn't do that but I have to */
283 else if (rinfo->is_mobility) {
284 tmp = INPLL(pllMCLK_CNTL);
285 tmp |= (MCLK_CNTL__FORCE_MCLKA |
286 MCLK_CNTL__FORCE_MCLKB |
287 MCLK_CNTL__FORCE_YCLKA |
288 MCLK_CNTL__FORCE_YCLKB);
289 OUTPLL(pllMCLK_CNTL, tmp);
290 radeon_msleep(16);
291
292 tmp = INPLL(pllMCLK_MISC);
293 tmp &= ~(MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT|
294 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT|
295 MCLK_MISC__MC_MCLK_DYN_ENABLE|
296 MCLK_MISC__IO_MCLK_DYN_ENABLE);
297 OUTPLL(pllMCLK_MISC, tmp);
298 radeon_msleep(15);
299 }
300
301 if (rinfo->is_mobility) {
302 tmp = INPLL(pllSCLK_MORE_CNTL);
303 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS|
304 SCLK_MORE_CNTL__FORCE_MC_GUI|
305 SCLK_MORE_CNTL__FORCE_MC_HOST;
306 OUTPLL(pllSCLK_MORE_CNTL, tmp);
307 radeon_msleep(16);
308 }
309
310 tmp = INPLL(pllPIXCLKS_CNTL);
311 tmp &= ~(PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb |
312 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb|
313 PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb |
314 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb|
315 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb|
316 PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb|
317 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb);
318 OUTPLL(pllPIXCLKS_CNTL, tmp);
319 radeon_msleep(16);
320
321 tmp = INPLL( pllVCLK_ECP_CNTL);
322 tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb |
323 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb);
324 OUTPLL( pllVCLK_ECP_CNTL, tmp);
325 radeon_msleep(16);
326 }
327
328 static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo)
329 {
330 u32 tmp;
331
332 /* R100 */
333 if (!rinfo->has_CRTC2) {
334 tmp = INPLL(pllSCLK_CNTL);
335
336 if ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13)
337 tmp &= ~(SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_RB);
338 tmp &= ~(SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 |
339 SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_SE |
340 SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_RE |
341 SCLK_CNTL__FORCE_PB | SCLK_CNTL__FORCE_TAM |
342 SCLK_CNTL__FORCE_TDM);
343 OUTPLL(pllSCLK_CNTL, tmp);
344 return;
345 }
346
347 /* M10/M11 */
348 if (rinfo->family == CHIP_FAMILY_RV350) {
349 tmp = INPLL(pllSCLK_CNTL2);
350 tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL |
351 SCLK_CNTL2__R300_FORCE_GA |
352 SCLK_CNTL2__R300_FORCE_CBA);
353 tmp |= (SCLK_CNTL2__R300_TCL_MAX_DYN_STOP_LAT |
354 SCLK_CNTL2__R300_GA_MAX_DYN_STOP_LAT |
355 SCLK_CNTL2__R300_CBA_MAX_DYN_STOP_LAT);
356 OUTPLL(pllSCLK_CNTL2, tmp);
357
358 tmp = INPLL(pllSCLK_CNTL);
359 tmp &= ~(SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP |
360 SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 |
361 SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 |
362 SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT |
363 SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR |
364 SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX |
365 SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK |
366 SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0);
367 tmp |= SCLK_CNTL__DYN_STOP_LAT_MASK;
368 OUTPLL(pllSCLK_CNTL, tmp);
369
370 tmp = INPLL(pllSCLK_MORE_CNTL);
371 tmp &= ~SCLK_MORE_CNTL__FORCEON;
372 tmp |= SCLK_MORE_CNTL__DISPREGS_MAX_DYN_STOP_LAT |
373 SCLK_MORE_CNTL__MC_GUI_MAX_DYN_STOP_LAT |
374 SCLK_MORE_CNTL__MC_HOST_MAX_DYN_STOP_LAT;
375 OUTPLL(pllSCLK_MORE_CNTL, tmp);
376
377 tmp = INPLL(pllVCLK_ECP_CNTL);
378 tmp |= (VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb |
379 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb);
380 OUTPLL(pllVCLK_ECP_CNTL, tmp);
381
382 tmp = INPLL(pllPIXCLKS_CNTL);
383 tmp |= (PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb |
384 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb |
385 PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb |
386 PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb |
387 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb |
388 PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb |
389 PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb |
390 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb |
391 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb |
392 PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb |
393 PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb |
394 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb |
395 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb);
396 OUTPLL(pllPIXCLKS_CNTL, tmp);
397
398 tmp = INPLL(pllMCLK_MISC);
399 tmp |= (MCLK_MISC__MC_MCLK_DYN_ENABLE |
400 MCLK_MISC__IO_MCLK_DYN_ENABLE);
401 OUTPLL(pllMCLK_MISC, tmp);
402
403 tmp = INPLL(pllMCLK_CNTL);
404 tmp |= (MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB);
405 tmp &= ~(MCLK_CNTL__FORCE_YCLKA |
406 MCLK_CNTL__FORCE_YCLKB |
407 MCLK_CNTL__FORCE_MC);
408
409 /* Some releases of vbios have set DISABLE_MC_MCLKA
410 * and DISABLE_MC_MCLKB bits in the vbios table. Setting these
411 * bits will cause H/W hang when reading video memory with dynamic
412 * clocking enabled.
413 */
414 if ((tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKA) &&
415 (tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKB)) {
416 /* If both bits are set, then check the active channels */
417 tmp = INPLL(pllMCLK_CNTL);
418 if (rinfo->vram_width == 64) {
419 if (INREG(MEM_CNTL) & R300_MEM_USE_CD_CH_ONLY)
420 tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKB;
421 else
422 tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKA;
423 } else {
424 tmp &= ~(MCLK_CNTL__R300_DISABLE_MC_MCLKA |
425 MCLK_CNTL__R300_DISABLE_MC_MCLKB);
426 }
427 }
428 OUTPLL(pllMCLK_CNTL, tmp);
429 return;
430 }
431
432 /* R300 */
433 if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) {
434 tmp = INPLL(pllSCLK_CNTL);
435 tmp &= ~(SCLK_CNTL__R300_FORCE_VAP);
436 tmp |= SCLK_CNTL__FORCE_CP;
437 OUTPLL(pllSCLK_CNTL, tmp);
438 radeon_msleep(15);
439
440 tmp = INPLL(pllSCLK_CNTL2);
441 tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL |
442 SCLK_CNTL2__R300_FORCE_GA |
443 SCLK_CNTL2__R300_FORCE_CBA);
444 OUTPLL(pllSCLK_CNTL2, tmp);
445 }
446
447 /* Others */
448
449 tmp = INPLL( pllCLK_PWRMGT_CNTL);
450 tmp &= ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK|
451 CLK_PWRMGT_CNTL__DISP_DYN_STOP_LAT_MASK|
452 CLK_PWRMGT_CNTL__DYN_STOP_MODE_MASK);
453 tmp |= CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE_MASK |
454 (0x01 << CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT__SHIFT);
455 OUTPLL( pllCLK_PWRMGT_CNTL, tmp);
456 radeon_msleep(15);
457
458 tmp = INPLL(pllCLK_PIN_CNTL);
459 tmp |= CLK_PIN_CNTL__SCLK_DYN_START_CNTL;
460 OUTPLL(pllCLK_PIN_CNTL, tmp);
461 radeon_msleep(15);
462
463 /* When DRI is enabled, setting DYN_STOP_LAT to zero can cause some R200
464 * to lockup randomly, leave them as set by BIOS.
465 */
466 tmp = INPLL(pllSCLK_CNTL);
467 tmp &= ~SCLK_CNTL__FORCEON_MASK;
468
469 /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300*/
470 if ((rinfo->family == CHIP_FAMILY_RV250 &&
471 ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) ||
472 ((rinfo->family == CHIP_FAMILY_RV100) &&
473 ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) {
474 tmp |= SCLK_CNTL__FORCE_CP;
475 tmp |= SCLK_CNTL__FORCE_VIP;
476 }
477 OUTPLL(pllSCLK_CNTL, tmp);
478 radeon_msleep(15);
479
480 if ((rinfo->family == CHIP_FAMILY_RV200) ||
481 (rinfo->family == CHIP_FAMILY_RV250) ||
482 (rinfo->family == CHIP_FAMILY_RV280)) {
483 tmp = INPLL(pllSCLK_MORE_CNTL);
484 tmp &= ~SCLK_MORE_CNTL__FORCEON;
485
486 /* RV200::A11 A12 RV250::A11 A12 */
487 if (((rinfo->family == CHIP_FAMILY_RV200) ||
488 (rinfo->family == CHIP_FAMILY_RV250)) &&
489 ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13))
490 tmp |= SCLK_MORE_CNTL__FORCEON;
491
492 OUTPLL(pllSCLK_MORE_CNTL, tmp);
493 radeon_msleep(15);
494 }
495
496
497 /* RV200::A11 A12, RV250::A11 A12 */
498 if (((rinfo->family == CHIP_FAMILY_RV200) ||
499 (rinfo->family == CHIP_FAMILY_RV250)) &&
500 ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) {
501 tmp = INPLL(pllPLL_PWRMGT_CNTL);
502 tmp |= PLL_PWRMGT_CNTL__TCL_BYPASS_DISABLE;
503 OUTPLL(pllPLL_PWRMGT_CNTL, tmp);
504 radeon_msleep(15);
505 }
506
507 tmp = INPLL(pllPIXCLKS_CNTL);
508 tmp |= PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb |
509 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb|
510 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb|
511 PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb|
512 PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb|
513 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb|
514 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb;
515 OUTPLL(pllPIXCLKS_CNTL, tmp);
516 radeon_msleep(15);
517
518 tmp = INPLL(pllVCLK_ECP_CNTL);
519 tmp |= VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb |
520 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb;
521 OUTPLL(pllVCLK_ECP_CNTL, tmp);
522
523 /* X doesn't do that ... hrm, we do on mobility && Macs */
524 #ifdef CONFIG_PPC_OF
525 if (rinfo->is_mobility) {
526 tmp = INPLL(pllMCLK_CNTL);
527 tmp &= ~(MCLK_CNTL__FORCE_MCLKA |
528 MCLK_CNTL__FORCE_MCLKB |
529 MCLK_CNTL__FORCE_YCLKA |
530 MCLK_CNTL__FORCE_YCLKB);
531 OUTPLL(pllMCLK_CNTL, tmp);
532 radeon_msleep(15);
533
534 tmp = INPLL(pllMCLK_MISC);
535 tmp |= MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT|
536 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT|
537 MCLK_MISC__MC_MCLK_DYN_ENABLE|
538 MCLK_MISC__IO_MCLK_DYN_ENABLE;
539 OUTPLL(pllMCLK_MISC, tmp);
540 radeon_msleep(15);
541 }
542 #endif /* CONFIG_PPC_OF */
543 }
544
545 #ifdef CONFIG_PM
546
547 static void OUTMC( struct radeonfb_info *rinfo, u8 indx, u32 value)
548 {
549 OUTREG( MC_IND_INDEX, indx | MC_IND_INDEX__MC_IND_WR_EN);
550 OUTREG( MC_IND_DATA, value);
551 }
552
553 static u32 INMC(struct radeonfb_info *rinfo, u8 indx)
554 {
555 OUTREG( MC_IND_INDEX, indx);
556 return INREG( MC_IND_DATA);
557 }
558
559 static void radeon_pm_save_regs(struct radeonfb_info *rinfo, int saving_for_d3)
560 {
561 rinfo->save_regs[0] = INPLL(PLL_PWRMGT_CNTL);
562 rinfo->save_regs[1] = INPLL(CLK_PWRMGT_CNTL);
563 rinfo->save_regs[2] = INPLL(MCLK_CNTL);
564 rinfo->save_regs[3] = INPLL(SCLK_CNTL);
565 rinfo->save_regs[4] = INPLL(CLK_PIN_CNTL);
566 rinfo->save_regs[5] = INPLL(VCLK_ECP_CNTL);
567 rinfo->save_regs[6] = INPLL(PIXCLKS_CNTL);
568 rinfo->save_regs[7] = INPLL(MCLK_MISC);
569 rinfo->save_regs[8] = INPLL(P2PLL_CNTL);
570
571 rinfo->save_regs[9] = INREG(DISP_MISC_CNTL);
572 rinfo->save_regs[10] = INREG(DISP_PWR_MAN);
573 rinfo->save_regs[11] = INREG(LVDS_GEN_CNTL);
574 rinfo->save_regs[13] = INREG(TV_DAC_CNTL);
575 rinfo->save_regs[14] = INREG(BUS_CNTL1);
576 rinfo->save_regs[15] = INREG(CRTC_OFFSET_CNTL);
577 rinfo->save_regs[16] = INREG(AGP_CNTL);
578 rinfo->save_regs[17] = (INREG(CRTC_GEN_CNTL) & 0xfdffffff) | 0x04000000;
579 rinfo->save_regs[18] = (INREG(CRTC2_GEN_CNTL) & 0xfdffffff) | 0x04000000;
580 rinfo->save_regs[19] = INREG(GPIOPAD_A);
581 rinfo->save_regs[20] = INREG(GPIOPAD_EN);
582 rinfo->save_regs[21] = INREG(GPIOPAD_MASK);
583 rinfo->save_regs[22] = INREG(ZV_LCDPAD_A);
584 rinfo->save_regs[23] = INREG(ZV_LCDPAD_EN);
585 rinfo->save_regs[24] = INREG(ZV_LCDPAD_MASK);
586 rinfo->save_regs[25] = INREG(GPIO_VGA_DDC);
587 rinfo->save_regs[26] = INREG(GPIO_DVI_DDC);
588 rinfo->save_regs[27] = INREG(GPIO_MONID);
589 rinfo->save_regs[28] = INREG(GPIO_CRT2_DDC);
590
591 rinfo->save_regs[29] = INREG(SURFACE_CNTL);
592 rinfo->save_regs[30] = INREG(MC_FB_LOCATION);
593 rinfo->save_regs[31] = INREG(DISPLAY_BASE_ADDR);
594 rinfo->save_regs[32] = INREG(MC_AGP_LOCATION);
595 rinfo->save_regs[33] = INREG(CRTC2_DISPLAY_BASE_ADDR);
596
597 rinfo->save_regs[34] = INPLL(SCLK_MORE_CNTL);
598 rinfo->save_regs[35] = INREG(MEM_SDRAM_MODE_REG);
599 rinfo->save_regs[36] = INREG(BUS_CNTL);
600 rinfo->save_regs[39] = INREG(RBBM_CNTL);
601 rinfo->save_regs[40] = INREG(DAC_CNTL);
602 rinfo->save_regs[41] = INREG(HOST_PATH_CNTL);
603 rinfo->save_regs[37] = INREG(MPP_TB_CONFIG);
604 rinfo->save_regs[38] = INREG(FCP_CNTL);
605
606 if (rinfo->is_mobility) {
607 rinfo->save_regs[12] = INREG(LVDS_PLL_CNTL);
608 rinfo->save_regs[43] = INPLL(pllSSPLL_CNTL);
609 rinfo->save_regs[44] = INPLL(pllSSPLL_REF_DIV);
610 rinfo->save_regs[45] = INPLL(pllSSPLL_DIV_0);
611 rinfo->save_regs[90] = INPLL(pllSS_INT_CNTL);
612 rinfo->save_regs[91] = INPLL(pllSS_TST_CNTL);
613 rinfo->save_regs[81] = INREG(LVDS_GEN_CNTL);
614 }
615
616 if (rinfo->family >= CHIP_FAMILY_RV200) {
617 rinfo->save_regs[42] = INREG(MEM_REFRESH_CNTL);
618 rinfo->save_regs[46] = INREG(MC_CNTL);
619 rinfo->save_regs[47] = INREG(MC_INIT_GFX_LAT_TIMER);
620 rinfo->save_regs[48] = INREG(MC_INIT_MISC_LAT_TIMER);
621 rinfo->save_regs[49] = INREG(MC_TIMING_CNTL);
622 rinfo->save_regs[50] = INREG(MC_READ_CNTL_AB);
623 rinfo->save_regs[51] = INREG(MC_IOPAD_CNTL);
624 rinfo->save_regs[52] = INREG(MC_CHIP_IO_OE_CNTL_AB);
625 rinfo->save_regs[53] = INREG(MC_DEBUG);
626 }
627 rinfo->save_regs[54] = INREG(PAMAC0_DLY_CNTL);
628 rinfo->save_regs[55] = INREG(PAMAC1_DLY_CNTL);
629 rinfo->save_regs[56] = INREG(PAD_CTLR_MISC);
630 rinfo->save_regs[57] = INREG(FW_CNTL);
631
632 if (rinfo->family >= CHIP_FAMILY_R300) {
633 rinfo->save_regs[58] = INMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER);
634 rinfo->save_regs[59] = INMC(rinfo, ixR300_MC_IMP_CNTL);
635 rinfo->save_regs[60] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0);
636 rinfo->save_regs[61] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1);
637 rinfo->save_regs[62] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0);
638 rinfo->save_regs[63] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1);
639 rinfo->save_regs[64] = INMC(rinfo, ixR300_MC_BIST_CNTL_3);
640 rinfo->save_regs[65] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0);
641 rinfo->save_regs[66] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1);
642 rinfo->save_regs[67] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0);
643 rinfo->save_regs[68] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1);
644 rinfo->save_regs[69] = INMC(rinfo, ixR300_MC_DEBUG_CNTL);
645 rinfo->save_regs[70] = INMC(rinfo, ixR300_MC_DLL_CNTL);
646 rinfo->save_regs[71] = INMC(rinfo, ixR300_MC_IMP_CNTL_0);
647 rinfo->save_regs[72] = INMC(rinfo, ixR300_MC_ELPIDA_CNTL);
648 rinfo->save_regs[96] = INMC(rinfo, ixR300_MC_READ_CNTL_CD);
649 } else {
650 rinfo->save_regs[59] = INMC(rinfo, ixMC_IMP_CNTL);
651 rinfo->save_regs[65] = INMC(rinfo, ixMC_CHP_IO_CNTL_A0);
652 rinfo->save_regs[66] = INMC(rinfo, ixMC_CHP_IO_CNTL_A1);
653 rinfo->save_regs[67] = INMC(rinfo, ixMC_CHP_IO_CNTL_B0);
654 rinfo->save_regs[68] = INMC(rinfo, ixMC_CHP_IO_CNTL_B1);
655 rinfo->save_regs[71] = INMC(rinfo, ixMC_IMP_CNTL_0);
656 }
657
658 rinfo->save_regs[73] = INPLL(pllMPLL_CNTL);
659 rinfo->save_regs[74] = INPLL(pllSPLL_CNTL);
660 rinfo->save_regs[75] = INPLL(pllMPLL_AUX_CNTL);
661 rinfo->save_regs[76] = INPLL(pllSPLL_AUX_CNTL);
662 rinfo->save_regs[77] = INPLL(pllM_SPLL_REF_FB_DIV);
663 rinfo->save_regs[78] = INPLL(pllAGP_PLL_CNTL);
664 rinfo->save_regs[79] = INREG(PAMAC2_DLY_CNTL);
665
666 rinfo->save_regs[80] = INREG(OV0_BASE_ADDR);
667 rinfo->save_regs[82] = INREG(FP_GEN_CNTL);
668 rinfo->save_regs[83] = INREG(FP2_GEN_CNTL);
669 rinfo->save_regs[84] = INREG(TMDS_CNTL);
670 rinfo->save_regs[85] = INREG(TMDS_TRANSMITTER_CNTL);
671 rinfo->save_regs[86] = INREG(DISP_OUTPUT_CNTL);
672 rinfo->save_regs[87] = INREG(DISP_HW_DEBUG);
673 rinfo->save_regs[88] = INREG(TV_MASTER_CNTL);
674 rinfo->save_regs[89] = INPLL(pllP2PLL_REF_DIV);
675 rinfo->save_regs[92] = INPLL(pllPPLL_DIV_0);
676 rinfo->save_regs[93] = INPLL(pllPPLL_CNTL);
677 rinfo->save_regs[94] = INREG(GRPH_BUFFER_CNTL);
678 rinfo->save_regs[95] = INREG(GRPH2_BUFFER_CNTL);
679 rinfo->save_regs[96] = INREG(HDP_DEBUG);
680 rinfo->save_regs[97] = INPLL(pllMDLL_CKO);
681 rinfo->save_regs[98] = INPLL(pllMDLL_RDCKA);
682 rinfo->save_regs[99] = INPLL(pllMDLL_RDCKB);
683 }
684
685 static void radeon_pm_restore_regs(struct radeonfb_info *rinfo)
686 {
687 OUTPLL(P2PLL_CNTL, rinfo->save_regs[8] & 0xFFFFFFFE); /* First */
688
689 OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]);
690 OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]);
691 OUTPLL(MCLK_CNTL, rinfo->save_regs[2]);
692 OUTPLL(SCLK_CNTL, rinfo->save_regs[3]);
693 OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]);
694 OUTPLL(VCLK_ECP_CNTL, rinfo->save_regs[5]);
695 OUTPLL(PIXCLKS_CNTL, rinfo->save_regs[6]);
696 OUTPLL(MCLK_MISC, rinfo->save_regs[7]);
697 if (rinfo->family == CHIP_FAMILY_RV350)
698 OUTPLL(SCLK_MORE_CNTL, rinfo->save_regs[34]);
699
700 OUTREG(SURFACE_CNTL, rinfo->save_regs[29]);
701 OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]);
702 OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]);
703 OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]);
704 OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]);
705 OUTREG(CONFIG_MEMSIZE, rinfo->video_ram);
706
707 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]);
708 OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]);
709 OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11]);
710 OUTREG(LVDS_PLL_CNTL,rinfo->save_regs[12]);
711 OUTREG(TV_DAC_CNTL, rinfo->save_regs[13]);
712 OUTREG(BUS_CNTL1, rinfo->save_regs[14]);
713 OUTREG(CRTC_OFFSET_CNTL, rinfo->save_regs[15]);
714 OUTREG(AGP_CNTL, rinfo->save_regs[16]);
715 OUTREG(CRTC_GEN_CNTL, rinfo->save_regs[17]);
716 OUTREG(CRTC2_GEN_CNTL, rinfo->save_regs[18]);
717 OUTPLL(P2PLL_CNTL, rinfo->save_regs[8]);
718
719 OUTREG(GPIOPAD_A, rinfo->save_regs[19]);
720 OUTREG(GPIOPAD_EN, rinfo->save_regs[20]);
721 OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]);
722 OUTREG(ZV_LCDPAD_A, rinfo->save_regs[22]);
723 OUTREG(ZV_LCDPAD_EN, rinfo->save_regs[23]);
724 OUTREG(ZV_LCDPAD_MASK, rinfo->save_regs[24]);
725 OUTREG(GPIO_VGA_DDC, rinfo->save_regs[25]);
726 OUTREG(GPIO_DVI_DDC, rinfo->save_regs[26]);
727 OUTREG(GPIO_MONID, rinfo->save_regs[27]);
728 OUTREG(GPIO_CRT2_DDC, rinfo->save_regs[28]);
729 }
730
731 static void radeon_pm_disable_iopad(struct radeonfb_info *rinfo)
732 {
733 OUTREG(GPIOPAD_MASK, 0x0001ffff);
734 OUTREG(GPIOPAD_EN, 0x00000400);
735 OUTREG(GPIOPAD_A, 0x00000000);
736 OUTREG(ZV_LCDPAD_MASK, 0x00000000);
737 OUTREG(ZV_LCDPAD_EN, 0x00000000);
738 OUTREG(ZV_LCDPAD_A, 0x00000000);
739 OUTREG(GPIO_VGA_DDC, 0x00030000);
740 OUTREG(GPIO_DVI_DDC, 0x00000000);
741 OUTREG(GPIO_MONID, 0x00030000);
742 OUTREG(GPIO_CRT2_DDC, 0x00000000);
743 }
744
745 static void radeon_pm_program_v2clk(struct radeonfb_info *rinfo)
746 {
747 /* Set v2clk to 65MHz */
748 if (rinfo->family <= CHIP_FAMILY_RV280) {
749 OUTPLL(pllPIXCLKS_CNTL,
750 __INPLL(rinfo, pllPIXCLKS_CNTL)
751 & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK);
752
753 OUTPLL(pllP2PLL_REF_DIV, 0x0000000c);
754 OUTPLL(pllP2PLL_CNTL, 0x0000bf00);
755 } else {
756 OUTPLL(pllP2PLL_REF_DIV, 0x0000000c);
757 INPLL(pllP2PLL_REF_DIV);
758 OUTPLL(pllP2PLL_CNTL, 0x0000a700);
759 }
760
761 OUTPLL(pllP2PLL_DIV_0, 0x00020074 | P2PLL_DIV_0__P2PLL_ATOMIC_UPDATE_W);
762
763 OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_SLEEP);
764 mdelay(1);
765
766 OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_RESET);
767 mdelay( 1);
768
769 OUTPLL(pllPIXCLKS_CNTL,
770 (INPLL(pllPIXCLKS_CNTL) & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK)
771 | (0x03 << PIXCLKS_CNTL__PIX2CLK_SRC_SEL__SHIFT));
772 mdelay( 1);
773 }
774
775 static void radeon_pm_low_current(struct radeonfb_info *rinfo)
776 {
777 u32 reg;
778
779 reg = INREG(BUS_CNTL1);
780 if (rinfo->family <= CHIP_FAMILY_RV280) {
781 reg &= ~BUS_CNTL1_MOBILE_PLATFORM_SEL_MASK;
782 reg |= BUS_CNTL1_AGPCLK_VALID | (1<<BUS_CNTL1_MOBILE_PLATFORM_SEL_SHIFT);
783 } else {
784 reg |= 0x4080;
785 }
786 OUTREG(BUS_CNTL1, reg);
787
788 reg = INPLL(PLL_PWRMGT_CNTL);
789 reg |= PLL_PWRMGT_CNTL_SPLL_TURNOFF | PLL_PWRMGT_CNTL_PPLL_TURNOFF |
790 PLL_PWRMGT_CNTL_P2PLL_TURNOFF | PLL_PWRMGT_CNTL_TVPLL_TURNOFF;
791 reg &= ~PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK;
792 reg &= ~PLL_PWRMGT_CNTL_MOBILE_SU;
793 OUTPLL(PLL_PWRMGT_CNTL, reg);
794
795 reg = INREG(TV_DAC_CNTL);
796 reg &= ~(TV_DAC_CNTL_BGADJ_MASK |TV_DAC_CNTL_DACADJ_MASK);
797 reg |=TV_DAC_CNTL_BGSLEEP | TV_DAC_CNTL_RDACPD | TV_DAC_CNTL_GDACPD |
798 TV_DAC_CNTL_BDACPD |
799 (8<<TV_DAC_CNTL_BGADJ__SHIFT) | (8<<TV_DAC_CNTL_DACADJ__SHIFT);
800 OUTREG(TV_DAC_CNTL, reg);
801
802 reg = INREG(TMDS_TRANSMITTER_CNTL);
803 reg &= ~(TMDS_PLL_EN | TMDS_PLLRST);
804 OUTREG(TMDS_TRANSMITTER_CNTL, reg);
805
806 reg = INREG(DAC_CNTL);
807 reg &= ~DAC_CMP_EN;
808 OUTREG(DAC_CNTL, reg);
809
810 reg = INREG(DAC_CNTL2);
811 reg &= ~DAC2_CMP_EN;
812 OUTREG(DAC_CNTL2, reg);
813
814 reg = INREG(TV_DAC_CNTL);
815 reg &= ~TV_DAC_CNTL_DETECT;
816 OUTREG(TV_DAC_CNTL, reg);
817 }
818
819 static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo)
820 {
821
822 u32 sclk_cntl, mclk_cntl, sclk_more_cntl;
823
824 u32 pll_pwrmgt_cntl;
825 u32 clk_pwrmgt_cntl;
826 u32 clk_pin_cntl;
827 u32 vclk_ecp_cntl;
828 u32 pixclks_cntl;
829 u32 disp_mis_cntl;
830 u32 disp_pwr_man;
831 u32 tmp;
832
833 /* Force Core Clocks */
834 sclk_cntl = INPLL( pllSCLK_CNTL);
835 sclk_cntl |= SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT|
836 SCLK_CNTL__VIP_MAX_DYN_STOP_LAT|
837 SCLK_CNTL__RE_MAX_DYN_STOP_LAT|
838 SCLK_CNTL__PB_MAX_DYN_STOP_LAT|
839 SCLK_CNTL__TAM_MAX_DYN_STOP_LAT|
840 SCLK_CNTL__TDM_MAX_DYN_STOP_LAT|
841 SCLK_CNTL__RB_MAX_DYN_STOP_LAT|
842
843 SCLK_CNTL__FORCE_DISP2|
844 SCLK_CNTL__FORCE_CP|
845 SCLK_CNTL__FORCE_HDP|
846 SCLK_CNTL__FORCE_DISP1|
847 SCLK_CNTL__FORCE_TOP|
848 SCLK_CNTL__FORCE_E2|
849 SCLK_CNTL__FORCE_SE|
850 SCLK_CNTL__FORCE_IDCT|
851 SCLK_CNTL__FORCE_VIP|
852
853 SCLK_CNTL__FORCE_PB|
854 SCLK_CNTL__FORCE_TAM|
855 SCLK_CNTL__FORCE_TDM|
856 SCLK_CNTL__FORCE_RB|
857 SCLK_CNTL__FORCE_TV_SCLK|
858 SCLK_CNTL__FORCE_SUBPIC|
859 SCLK_CNTL__FORCE_OV0;
860 if (rinfo->family <= CHIP_FAMILY_RV280)
861 sclk_cntl |= SCLK_CNTL__FORCE_RE;
862 else
863 sclk_cntl |= SCLK_CNTL__SE_MAX_DYN_STOP_LAT |
864 SCLK_CNTL__E2_MAX_DYN_STOP_LAT |
865 SCLK_CNTL__TV_MAX_DYN_STOP_LAT |
866 SCLK_CNTL__HDP_MAX_DYN_STOP_LAT |
867 SCLK_CNTL__CP_MAX_DYN_STOP_LAT;
868
869 OUTPLL( pllSCLK_CNTL, sclk_cntl);
870
871 sclk_more_cntl = INPLL(pllSCLK_MORE_CNTL);
872 sclk_more_cntl |= SCLK_MORE_CNTL__FORCE_DISPREGS |
873 SCLK_MORE_CNTL__FORCE_MC_GUI |
874 SCLK_MORE_CNTL__FORCE_MC_HOST;
875
876 OUTPLL(pllSCLK_MORE_CNTL, sclk_more_cntl);
877
878
879 mclk_cntl = INPLL( pllMCLK_CNTL);
880 mclk_cntl &= ~( MCLK_CNTL__FORCE_MCLKA |
881 MCLK_CNTL__FORCE_MCLKB |
882 MCLK_CNTL__FORCE_YCLKA |
883 MCLK_CNTL__FORCE_YCLKB |
884 MCLK_CNTL__FORCE_MC
885 );
886 OUTPLL( pllMCLK_CNTL, mclk_cntl);
887
888 /* Force Display clocks */
889 vclk_ecp_cntl = INPLL( pllVCLK_ECP_CNTL);
890 vclk_ecp_cntl &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb
891 | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb);
892 vclk_ecp_cntl |= VCLK_ECP_CNTL__ECP_FORCE_ON;
893 OUTPLL( pllVCLK_ECP_CNTL, vclk_ecp_cntl);
894
895
896 pixclks_cntl = INPLL( pllPIXCLKS_CNTL);
897 pixclks_cntl &= ~( PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb |
898 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb|
899 PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb |
900 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb|
901 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb|
902 PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb|
903 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb);
904
905 OUTPLL( pllPIXCLKS_CNTL, pixclks_cntl);
906
907 /* Switch off LVDS interface */
908 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) &
909 ~(LVDS_BLON | LVDS_EN | LVDS_ON | LVDS_DIGON));
910
911 /* Enable System power management */
912 pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL);
913
914 pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__SPLL_TURNOFF |
915 PLL_PWRMGT_CNTL__MPLL_TURNOFF|
916 PLL_PWRMGT_CNTL__PPLL_TURNOFF|
917 PLL_PWRMGT_CNTL__P2PLL_TURNOFF|
918 PLL_PWRMGT_CNTL__TVPLL_TURNOFF;
919
920 OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl);
921
922 clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL);
923
924 clk_pwrmgt_cntl &= ~( CLK_PWRMGT_CNTL__MPLL_PWRMGT_OFF|
925 CLK_PWRMGT_CNTL__SPLL_PWRMGT_OFF|
926 CLK_PWRMGT_CNTL__PPLL_PWRMGT_OFF|
927 CLK_PWRMGT_CNTL__P2PLL_PWRMGT_OFF|
928 CLK_PWRMGT_CNTL__MCLK_TURNOFF|
929 CLK_PWRMGT_CNTL__SCLK_TURNOFF|
930 CLK_PWRMGT_CNTL__PCLK_TURNOFF|
931 CLK_PWRMGT_CNTL__P2CLK_TURNOFF|
932 CLK_PWRMGT_CNTL__TVPLL_PWRMGT_OFF|
933 CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN|
934 CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE|
935 CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK|
936 CLK_PWRMGT_CNTL__CG_NO1_DEBUG_MASK
937 );
938
939 clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN
940 | CLK_PWRMGT_CNTL__DISP_PM;
941
942 OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl);
943
944 clk_pin_cntl = INPLL( pllCLK_PIN_CNTL);
945
946 clk_pin_cntl &= ~CLK_PIN_CNTL__ACCESS_REGS_IN_SUSPEND;
947
948 /* because both INPLL and OUTPLL take the same lock, that's why. */
949 tmp = INPLL( pllMCLK_MISC) | MCLK_MISC__EN_MCLK_TRISTATE_IN_SUSPEND;
950 OUTPLL( pllMCLK_MISC, tmp);
951
952 /* BUS_CNTL1__MOBILE_PLATORM_SEL setting is northbridge chipset
953 * and radeon chip dependent. Thus we only enable it on Mac for
954 * now (until we get more info on how to compute the correct
955 * value for various X86 bridges).
956 */
957 #ifdef CONFIG_PPC_PMAC
958 if (machine_is(powermac)) {
959 /* AGP PLL control */
960 if (rinfo->family <= CHIP_FAMILY_RV280) {
961 OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) | BUS_CNTL1__AGPCLK_VALID);
962 OUTREG(BUS_CNTL1,
963 (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK)
964 | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT)); // 440BX
965 } else {
966 OUTREG(BUS_CNTL1, INREG(BUS_CNTL1));
967 OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000);
968 }
969 }
970 #endif
971
972 OUTREG(CRTC_OFFSET_CNTL, (INREG(CRTC_OFFSET_CNTL)
973 & ~CRTC_OFFSET_CNTL__CRTC_STEREO_SYNC_OUT_EN));
974
975 clk_pin_cntl &= ~CLK_PIN_CNTL__CG_CLK_TO_OUTPIN;
976 clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb;
977 OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl);
978
979 /* Solano2M */
980 OUTREG(AGP_CNTL,
981 (INREG(AGP_CNTL) & ~(AGP_CNTL__MAX_IDLE_CLK_MASK))
982 | (0x20<<AGP_CNTL__MAX_IDLE_CLK__SHIFT));
983
984 /* ACPI mode */
985 /* because both INPLL and OUTPLL take the same lock, that's why. */
986 tmp = INPLL( pllPLL_PWRMGT_CNTL) & ~PLL_PWRMGT_CNTL__PM_MODE_SEL;
987 OUTPLL( pllPLL_PWRMGT_CNTL, tmp);
988
989
990 disp_mis_cntl = INREG(DISP_MISC_CNTL);
991
992 disp_mis_cntl &= ~( DISP_MISC_CNTL__SOFT_RESET_GRPH_PP |
993 DISP_MISC_CNTL__SOFT_RESET_SUBPIC_PP |
994 DISP_MISC_CNTL__SOFT_RESET_OV0_PP |
995 DISP_MISC_CNTL__SOFT_RESET_GRPH_SCLK|
996 DISP_MISC_CNTL__SOFT_RESET_SUBPIC_SCLK|
997 DISP_MISC_CNTL__SOFT_RESET_OV0_SCLK|
998 DISP_MISC_CNTL__SOFT_RESET_GRPH2_PP|
999 DISP_MISC_CNTL__SOFT_RESET_GRPH2_SCLK|
1000 DISP_MISC_CNTL__SOFT_RESET_LVDS|
1001 DISP_MISC_CNTL__SOFT_RESET_TMDS|
1002 DISP_MISC_CNTL__SOFT_RESET_DIG_TMDS|
1003 DISP_MISC_CNTL__SOFT_RESET_TV);
1004
1005 OUTREG(DISP_MISC_CNTL, disp_mis_cntl);
1006
1007 disp_pwr_man = INREG(DISP_PWR_MAN);
1008
1009 disp_pwr_man &= ~( DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN |
1010 DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN |
1011 DISP_PWR_MAN__DISP_PWR_MAN_DPMS_MASK|
1012 DISP_PWR_MAN__DISP_D3_RST|
1013 DISP_PWR_MAN__DISP_D3_REG_RST
1014 );
1015
1016 disp_pwr_man |= DISP_PWR_MAN__DISP_D3_GRPH_RST|
1017 DISP_PWR_MAN__DISP_D3_SUBPIC_RST|
1018 DISP_PWR_MAN__DISP_D3_OV0_RST|
1019 DISP_PWR_MAN__DISP_D1D2_GRPH_RST|
1020 DISP_PWR_MAN__DISP_D1D2_SUBPIC_RST|
1021 DISP_PWR_MAN__DISP_D1D2_OV0_RST|
1022 DISP_PWR_MAN__DIG_TMDS_ENABLE_RST|
1023 DISP_PWR_MAN__TV_ENABLE_RST|
1024 // DISP_PWR_MAN__AUTO_PWRUP_EN|
1025 0;
1026
1027 OUTREG(DISP_PWR_MAN, disp_pwr_man);
1028
1029 clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL);
1030 pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL) ;
1031 clk_pin_cntl = INPLL( pllCLK_PIN_CNTL);
1032 disp_pwr_man = INREG(DISP_PWR_MAN);
1033
1034
1035 /* D2 */
1036 clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__DISP_PM;
1037 pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__MOBILE_SU | PLL_PWRMGT_CNTL__SU_SCLK_USE_BCLK;
1038 clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb;
1039 disp_pwr_man &= ~(DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN_MASK
1040 | DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN_MASK);
1041
1042 OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl);
1043 OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl);
1044 OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl);
1045 OUTREG(DISP_PWR_MAN, disp_pwr_man);
1046
1047 /* disable display request & disable display */
1048 OUTREG( CRTC_GEN_CNTL, (INREG( CRTC_GEN_CNTL) & ~CRTC_GEN_CNTL__CRTC_EN)
1049 | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B);
1050 OUTREG( CRTC2_GEN_CNTL, (INREG( CRTC2_GEN_CNTL) & ~CRTC2_GEN_CNTL__CRTC2_EN)
1051 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B);
1052
1053 mdelay(17);
1054
1055 }
1056
1057 static void radeon_pm_yclk_mclk_sync(struct radeonfb_info *rinfo)
1058 {
1059 u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1;
1060
1061 mc_chp_io_cntl_a1 = INMC( rinfo, ixMC_CHP_IO_CNTL_A1)
1062 & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK;
1063 mc_chp_io_cntl_b1 = INMC( rinfo, ixMC_CHP_IO_CNTL_B1)
1064 & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK;
1065
1066 OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1
1067 | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT));
1068 OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1
1069 | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT));
1070
1071 OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1);
1072 OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1);
1073
1074 mdelay( 1);
1075 }
1076
1077 static void radeon_pm_yclk_mclk_sync_m10(struct radeonfb_info *rinfo)
1078 {
1079 u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1;
1080
1081 mc_chp_io_cntl_a1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1)
1082 & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK;
1083 mc_chp_io_cntl_b1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1)
1084 & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK;
1085
1086 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1,
1087 mc_chp_io_cntl_a1 | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT));
1088 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1,
1089 mc_chp_io_cntl_b1 | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT));
1090
1091 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1);
1092 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1);
1093
1094 mdelay( 1);
1095 }
1096
1097 static void radeon_pm_program_mode_reg(struct radeonfb_info *rinfo, u16 value,
1098 u8 delay_required)
1099 {
1100 u32 mem_sdram_mode;
1101
1102 mem_sdram_mode = INREG( MEM_SDRAM_MODE_REG);
1103
1104 mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK;
1105 mem_sdram_mode |= (value<<MEM_SDRAM_MODE_REG__MEM_MODE_REG__SHIFT)
1106 | MEM_SDRAM_MODE_REG__MEM_CFG_TYPE;
1107 OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode);
1108 if (delay_required >= 2)
1109 mdelay(1);
1110
1111 mem_sdram_mode |= MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET;
1112 OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode);
1113 if (delay_required >= 2)
1114 mdelay(1);
1115
1116 mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET;
1117 OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode);
1118 if (delay_required >= 2)
1119 mdelay(1);
1120
1121 if (delay_required) {
1122 do {
1123 if (delay_required >= 2)
1124 mdelay(1);
1125 } while ((INREG(MC_STATUS)
1126 & (MC_STATUS__MEM_PWRUP_COMPL_A |
1127 MC_STATUS__MEM_PWRUP_COMPL_B)) == 0);
1128 }
1129 }
1130
1131 static void radeon_pm_m10_program_mode_wait(struct radeonfb_info *rinfo)
1132 {
1133 int cnt;
1134
1135 for (cnt = 0; cnt < 100; ++cnt) {
1136 mdelay(1);
1137 if (INREG(MC_STATUS) & (MC_STATUS__MEM_PWRUP_COMPL_A
1138 | MC_STATUS__MEM_PWRUP_COMPL_B))
1139 break;
1140 }
1141 }
1142
1143
1144 static void radeon_pm_enable_dll(struct radeonfb_info *rinfo)
1145 {
1146 #define DLL_RESET_DELAY 5
1147 #define DLL_SLEEP_DELAY 1
1148
1149 u32 cko = INPLL(pllMDLL_CKO) | MDLL_CKO__MCKOA_SLEEP
1150 | MDLL_CKO__MCKOA_RESET;
1151 u32 cka = INPLL(pllMDLL_RDCKA) | MDLL_RDCKA__MRDCKA0_SLEEP
1152 | MDLL_RDCKA__MRDCKA1_SLEEP | MDLL_RDCKA__MRDCKA0_RESET
1153 | MDLL_RDCKA__MRDCKA1_RESET;
1154 u32 ckb = INPLL(pllMDLL_RDCKB) | MDLL_RDCKB__MRDCKB0_SLEEP
1155 | MDLL_RDCKB__MRDCKB1_SLEEP | MDLL_RDCKB__MRDCKB0_RESET
1156 | MDLL_RDCKB__MRDCKB1_RESET;
1157
1158 /* Setting up the DLL range for write */
1159 OUTPLL(pllMDLL_CKO, cko);
1160 OUTPLL(pllMDLL_RDCKA, cka);
1161 OUTPLL(pllMDLL_RDCKB, ckb);
1162
1163 mdelay(DLL_RESET_DELAY*2);
1164
1165 cko &= ~(MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOB_SLEEP);
1166 OUTPLL(pllMDLL_CKO, cko);
1167 mdelay(DLL_SLEEP_DELAY);
1168 cko &= ~(MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET);
1169 OUTPLL(pllMDLL_CKO, cko);
1170 mdelay(DLL_RESET_DELAY);
1171
1172 cka &= ~(MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP);
1173 OUTPLL(pllMDLL_RDCKA, cka);
1174 mdelay(DLL_SLEEP_DELAY);
1175 cka &= ~(MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET);
1176 OUTPLL(pllMDLL_RDCKA, cka);
1177 mdelay(DLL_RESET_DELAY);
1178
1179 ckb &= ~(MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP);
1180 OUTPLL(pllMDLL_RDCKB, ckb);
1181 mdelay(DLL_SLEEP_DELAY);
1182 ckb &= ~(MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET);
1183 OUTPLL(pllMDLL_RDCKB, ckb);
1184 mdelay(DLL_RESET_DELAY);
1185
1186
1187 #undef DLL_RESET_DELAY
1188 #undef DLL_SLEEP_DELAY
1189 }
1190
1191 static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo)
1192 {
1193 u32 dll_value;
1194 u32 dll_sleep_mask = 0;
1195 u32 dll_reset_mask = 0;
1196 u32 mc;
1197
1198 #define DLL_RESET_DELAY 5
1199 #define DLL_SLEEP_DELAY 1
1200
1201 OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]);
1202 mc = INREG(MC_CNTL);
1203 /* Check which channels are enabled */
1204 switch (mc & 0x3) {
1205 case 1:
1206 if (mc & 0x4)
1207 break;
1208 case 2:
1209 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP;
1210 dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET;
1211 case 0:
1212 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKA_SLEEP;
1213 dll_reset_mask |= MDLL_R300_RDCK__MRDCKA_RESET;
1214 }
1215 switch (mc & 0x3) {
1216 case 1:
1217 if (!(mc & 0x4))
1218 break;
1219 case 2:
1220 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKD_SLEEP;
1221 dll_reset_mask |= MDLL_R300_RDCK__MRDCKD_RESET;
1222 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKC_SLEEP;
1223 dll_reset_mask |= MDLL_R300_RDCK__MRDCKC_RESET;
1224 }
1225
1226 dll_value = INPLL(pllMDLL_RDCKA);
1227
1228 /* Power Up */
1229 dll_value &= ~(dll_sleep_mask);
1230 OUTPLL(pllMDLL_RDCKA, dll_value);
1231 mdelay( DLL_SLEEP_DELAY);
1232
1233 dll_value &= ~(dll_reset_mask);
1234 OUTPLL(pllMDLL_RDCKA, dll_value);
1235 mdelay( DLL_RESET_DELAY);
1236
1237 #undef DLL_RESET_DELAY
1238 #undef DLL_SLEEP_DELAY
1239 }
1240
1241
1242 static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo)
1243 {
1244 u32 crtcGenCntl, crtcGenCntl2, memRefreshCntl, crtc_more_cntl,
1245 fp_gen_cntl, fp2_gen_cntl;
1246
1247 crtcGenCntl = INREG( CRTC_GEN_CNTL);
1248 crtcGenCntl2 = INREG( CRTC2_GEN_CNTL);
1249
1250 crtc_more_cntl = INREG( CRTC_MORE_CNTL);
1251 fp_gen_cntl = INREG( FP_GEN_CNTL);
1252 fp2_gen_cntl = INREG( FP2_GEN_CNTL);
1253
1254
1255 OUTREG( CRTC_MORE_CNTL, 0);
1256 OUTREG( FP_GEN_CNTL, 0);
1257 OUTREG( FP2_GEN_CNTL,0);
1258
1259 OUTREG( CRTC_GEN_CNTL, (crtcGenCntl | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B) );
1260 OUTREG( CRTC2_GEN_CNTL, (crtcGenCntl2 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B) );
1261
1262 /* This is the code for the Aluminium PowerBooks M10 / iBooks M11 */
1263 if (rinfo->family == CHIP_FAMILY_RV350) {
1264 u32 sdram_mode_reg = rinfo->save_regs[35];
1265 static u32 default_mrtable[] =
1266 { 0x21320032,
1267 0x21321000, 0xa1321000, 0x21321000, 0xffffffff,
1268 0x21320032, 0xa1320032, 0x21320032, 0xffffffff,
1269 0x21321002, 0xa1321002, 0x21321002, 0xffffffff,
1270 0x21320132, 0xa1320132, 0x21320132, 0xffffffff,
1271 0x21320032, 0xa1320032, 0x21320032, 0xffffffff,
1272 0x31320032 };
1273
1274 const u32 *mrtable = default_mrtable;
1275 int i, mrtable_size = ARRAY_SIZE(default_mrtable);
1276
1277 mdelay(30);
1278
1279 /* Disable refresh */
1280 memRefreshCntl = INREG( MEM_REFRESH_CNTL)
1281 & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS;
1282 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl
1283 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS);
1284
1285 /* Configure and enable M & SPLLs */
1286 radeon_pm_enable_dll_m10(rinfo);
1287 radeon_pm_yclk_mclk_sync_m10(rinfo);
1288
1289 #ifdef CONFIG_PPC_OF
1290 if (rinfo->of_node != NULL) {
1291 int size;
1292
1293 mrtable = get_property(rinfo->of_node, "ATY,MRT", &size);
1294 if (mrtable)
1295 mrtable_size = size >> 2;
1296 else
1297 mrtable = default_mrtable;
1298 }
1299 #endif /* CONFIG_PPC_OF */
1300
1301 /* Program the SDRAM */
1302 sdram_mode_reg = mrtable[0];
1303 OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg);
1304 for (i = 0; i < mrtable_size; i++) {
1305 if (mrtable[i] == 0xffffffffu)
1306 radeon_pm_m10_program_mode_wait(rinfo);
1307 else {
1308 sdram_mode_reg &= ~(MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK
1309 | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE
1310 | MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET);
1311 sdram_mode_reg |= mrtable[i];
1312
1313 OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg);
1314 mdelay(1);
1315 }
1316 }
1317
1318 /* Restore memory refresh */
1319 OUTREG(MEM_REFRESH_CNTL, memRefreshCntl);
1320 mdelay(30);
1321
1322 }
1323 /* Here come the desktop RV200 "QW" card */
1324 else if (!rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV200) {
1325 /* Disable refresh */
1326 memRefreshCntl = INREG( MEM_REFRESH_CNTL)
1327 & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS;
1328 OUTREG(MEM_REFRESH_CNTL, memRefreshCntl
1329 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS);
1330 mdelay(30);
1331
1332 /* Reset memory */
1333 OUTREG(MEM_SDRAM_MODE_REG,
1334 INREG( MEM_SDRAM_MODE_REG) & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1335
1336 radeon_pm_program_mode_reg(rinfo, 0x2002, 2);
1337 radeon_pm_program_mode_reg(rinfo, 0x0132, 2);
1338 radeon_pm_program_mode_reg(rinfo, 0x0032, 2);
1339
1340 OUTREG(MEM_SDRAM_MODE_REG,
1341 INREG(MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1342
1343 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl);
1344
1345 }
1346 /* The M6 */
1347 else if (rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV100) {
1348 /* Disable refresh */
1349 memRefreshCntl = INREG(EXT_MEM_CNTL) & ~(1 << 20);
1350 OUTREG( EXT_MEM_CNTL, memRefreshCntl | (1 << 20));
1351
1352 /* Reset memory */
1353 OUTREG( MEM_SDRAM_MODE_REG,
1354 INREG( MEM_SDRAM_MODE_REG)
1355 & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1356
1357 /* DLL */
1358 radeon_pm_enable_dll(rinfo);
1359
1360 /* MLCK / YCLK sync */
1361 radeon_pm_yclk_mclk_sync(rinfo);
1362
1363 /* Program Mode Register */
1364 radeon_pm_program_mode_reg(rinfo, 0x2000, 1);
1365 radeon_pm_program_mode_reg(rinfo, 0x2001, 1);
1366 radeon_pm_program_mode_reg(rinfo, 0x2002, 1);
1367 radeon_pm_program_mode_reg(rinfo, 0x0132, 1);
1368 radeon_pm_program_mode_reg(rinfo, 0x0032, 1);
1369
1370 /* Complete & re-enable refresh */
1371 OUTREG( MEM_SDRAM_MODE_REG,
1372 INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1373
1374 OUTREG(EXT_MEM_CNTL, memRefreshCntl);
1375 }
1376 /* And finally, the M7..M9 models, including M9+ (RV280) */
1377 else if (rinfo->is_mobility) {
1378
1379 /* Disable refresh */
1380 memRefreshCntl = INREG( MEM_REFRESH_CNTL)
1381 & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS;
1382 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl
1383 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS);
1384
1385 /* Reset memory */
1386 OUTREG( MEM_SDRAM_MODE_REG,
1387 INREG( MEM_SDRAM_MODE_REG)
1388 & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1389
1390 /* DLL */
1391 radeon_pm_enable_dll(rinfo);
1392
1393 /* MLCK / YCLK sync */
1394 radeon_pm_yclk_mclk_sync(rinfo);
1395
1396 /* M6, M7 and M9 so far ... */
1397 if (rinfo->family <= CHIP_FAMILY_RV250) {
1398 radeon_pm_program_mode_reg(rinfo, 0x2000, 1);
1399 radeon_pm_program_mode_reg(rinfo, 0x2001, 1);
1400 radeon_pm_program_mode_reg(rinfo, 0x2002, 1);
1401 radeon_pm_program_mode_reg(rinfo, 0x0132, 1);
1402 radeon_pm_program_mode_reg(rinfo, 0x0032, 1);
1403 }
1404 /* M9+ (iBook G4) */
1405 else if (rinfo->family == CHIP_FAMILY_RV280) {
1406 radeon_pm_program_mode_reg(rinfo, 0x2000, 1);
1407 radeon_pm_program_mode_reg(rinfo, 0x0132, 1);
1408 radeon_pm_program_mode_reg(rinfo, 0x0032, 1);
1409 }
1410
1411 /* Complete & re-enable refresh */
1412 OUTREG( MEM_SDRAM_MODE_REG,
1413 INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1414
1415 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl);
1416 }
1417
1418 OUTREG( CRTC_GEN_CNTL, crtcGenCntl);
1419 OUTREG( CRTC2_GEN_CNTL, crtcGenCntl2);
1420 OUTREG( FP_GEN_CNTL, fp_gen_cntl);
1421 OUTREG( FP2_GEN_CNTL, fp2_gen_cntl);
1422
1423 OUTREG( CRTC_MORE_CNTL, crtc_more_cntl);
1424
1425 mdelay( 15);
1426 }
1427
1428 static void radeon_pm_reset_pad_ctlr_strength(struct radeonfb_info *rinfo)
1429 {
1430 u32 tmp, tmp2;
1431 int i,j;
1432
1433 /* Reset the PAD_CTLR_STRENGTH & wait for it to be stable */
1434 INREG(PAD_CTLR_STRENGTH);
1435 OUTREG(PAD_CTLR_STRENGTH, INREG(PAD_CTLR_STRENGTH) & ~PAD_MANUAL_OVERRIDE);
1436 tmp = INREG(PAD_CTLR_STRENGTH);
1437 for (i = j = 0; i < 65; ++i) {
1438 mdelay(1);
1439 tmp2 = INREG(PAD_CTLR_STRENGTH);
1440 if (tmp != tmp2) {
1441 tmp = tmp2;
1442 i = 0;
1443 j++;
1444 if (j > 10) {
1445 printk(KERN_WARNING "radeon: PAD_CTLR_STRENGTH doesn't "
1446 "stabilize !\n");
1447 break;
1448 }
1449 }
1450 }
1451 }
1452
1453 static void radeon_pm_all_ppls_off(struct radeonfb_info *rinfo)
1454 {
1455 u32 tmp;
1456
1457 tmp = INPLL(pllPPLL_CNTL);
1458 OUTPLL(pllPPLL_CNTL, tmp | 0x3);
1459 tmp = INPLL(pllP2PLL_CNTL);
1460 OUTPLL(pllP2PLL_CNTL, tmp | 0x3);
1461 tmp = INPLL(pllSPLL_CNTL);
1462 OUTPLL(pllSPLL_CNTL, tmp | 0x3);
1463 tmp = INPLL(pllMPLL_CNTL);
1464 OUTPLL(pllMPLL_CNTL, tmp | 0x3);
1465 }
1466
1467 static void radeon_pm_start_mclk_sclk(struct radeonfb_info *rinfo)
1468 {
1469 u32 tmp;
1470
1471 /* Switch SPLL to PCI source */
1472 tmp = INPLL(pllSCLK_CNTL);
1473 OUTPLL(pllSCLK_CNTL, tmp & ~SCLK_CNTL__SCLK_SRC_SEL_MASK);
1474
1475 /* Reconfigure SPLL charge pump, VCO gain, duty cycle */
1476 tmp = INPLL(pllSPLL_CNTL);
1477 OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN);
1478 radeon_pll_errata_after_index(rinfo);
1479 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff);
1480 radeon_pll_errata_after_data(rinfo);
1481
1482 /* Set SPLL feedback divider */
1483 tmp = INPLL(pllM_SPLL_REF_FB_DIV);
1484 tmp = (tmp & 0xff00fffful) | (rinfo->save_regs[77] & 0x00ff0000ul);
1485 OUTPLL(pllM_SPLL_REF_FB_DIV, tmp);
1486
1487 /* Power up SPLL */
1488 tmp = INPLL(pllSPLL_CNTL);
1489 OUTPLL(pllSPLL_CNTL, tmp & ~1);
1490 (void)INPLL(pllSPLL_CNTL);
1491
1492 mdelay(10);
1493
1494 /* Release SPLL reset */
1495 tmp = INPLL(pllSPLL_CNTL);
1496 OUTPLL(pllSPLL_CNTL, tmp & ~0x2);
1497 (void)INPLL(pllSPLL_CNTL);
1498
1499 mdelay(10);
1500
1501 /* Select SCLK source */
1502 tmp = INPLL(pllSCLK_CNTL);
1503 tmp &= ~SCLK_CNTL__SCLK_SRC_SEL_MASK;
1504 tmp |= rinfo->save_regs[3] & SCLK_CNTL__SCLK_SRC_SEL_MASK;
1505 OUTPLL(pllSCLK_CNTL, tmp);
1506 (void)INPLL(pllSCLK_CNTL);
1507
1508 mdelay(10);
1509
1510 /* Reconfigure MPLL charge pump, VCO gain, duty cycle */
1511 tmp = INPLL(pllMPLL_CNTL);
1512 OUTREG8(CLOCK_CNTL_INDEX, pllMPLL_CNTL + PLL_WR_EN);
1513 radeon_pll_errata_after_index(rinfo);
1514 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff);
1515 radeon_pll_errata_after_data(rinfo);
1516
1517 /* Set MPLL feedback divider */
1518 tmp = INPLL(pllM_SPLL_REF_FB_DIV);
1519 tmp = (tmp & 0xffff00fful) | (rinfo->save_regs[77] & 0x0000ff00ul);
1520
1521 OUTPLL(pllM_SPLL_REF_FB_DIV, tmp);
1522 /* Power up MPLL */
1523 tmp = INPLL(pllMPLL_CNTL);
1524 OUTPLL(pllMPLL_CNTL, tmp & ~0x2);
1525 (void)INPLL(pllMPLL_CNTL);
1526
1527 mdelay(10);
1528
1529 /* Un-reset MPLL */
1530 tmp = INPLL(pllMPLL_CNTL);
1531 OUTPLL(pllMPLL_CNTL, tmp & ~0x1);
1532 (void)INPLL(pllMPLL_CNTL);
1533
1534 mdelay(10);
1535
1536 /* Select source for MCLK */
1537 tmp = INPLL(pllMCLK_CNTL);
1538 tmp |= rinfo->save_regs[2] & 0xffff;
1539 OUTPLL(pllMCLK_CNTL, tmp);
1540 (void)INPLL(pllMCLK_CNTL);
1541
1542 mdelay(10);
1543 }
1544
1545 static void radeon_pm_m10_disable_spread_spectrum(struct radeonfb_info *rinfo)
1546 {
1547 u32 r2ec;
1548
1549 /* GACK ! I though we didn't have a DDA on Radeon's anymore
1550 * here we rewrite with the same value, ... I suppose we clear
1551 * some bits that are already clear ? Or maybe this 0x2ec
1552 * register is something new ?
1553 */
1554 mdelay(20);
1555 r2ec = INREG(VGA_DDA_ON_OFF);
1556 OUTREG(VGA_DDA_ON_OFF, r2ec);
1557 mdelay(1);
1558
1559 /* Spread spectrum PLLL off */
1560 OUTPLL(pllSSPLL_CNTL, 0xbf03);
1561
1562 /* Spread spectrum disabled */
1563 OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3);
1564
1565 /* The trace shows read & rewrite of LVDS_PLL_CNTL here with same
1566 * value, not sure what for...
1567 */
1568
1569 r2ec |= 0x3f0;
1570 OUTREG(VGA_DDA_ON_OFF, r2ec);
1571 mdelay(1);
1572 }
1573
1574 static void radeon_pm_m10_enable_lvds_spread_spectrum(struct radeonfb_info *rinfo)
1575 {
1576 u32 r2ec, tmp;
1577
1578 /* GACK (bis) ! I though we didn't have a DDA on Radeon's anymore
1579 * here we rewrite with the same value, ... I suppose we clear/set
1580 * some bits that are already clear/set ?
1581 */
1582 r2ec = INREG(VGA_DDA_ON_OFF);
1583 OUTREG(VGA_DDA_ON_OFF, r2ec);
1584 mdelay(1);
1585
1586 /* Enable spread spectrum */
1587 OUTPLL(pllSSPLL_CNTL, rinfo->save_regs[43] | 3);
1588 mdelay(3);
1589
1590 OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44]);
1591 OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45]);
1592 tmp = INPLL(pllSSPLL_CNTL);
1593 OUTPLL(pllSSPLL_CNTL, tmp & ~0x2);
1594 mdelay(6);
1595 tmp = INPLL(pllSSPLL_CNTL);
1596 OUTPLL(pllSSPLL_CNTL, tmp & ~0x1);
1597 mdelay(5);
1598
1599 OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90]);
1600
1601 r2ec |= 8;
1602 OUTREG(VGA_DDA_ON_OFF, r2ec);
1603 mdelay(20);
1604
1605 /* Enable LVDS interface */
1606 tmp = INREG(LVDS_GEN_CNTL);
1607 OUTREG(LVDS_GEN_CNTL, tmp | LVDS_EN);
1608
1609 /* Enable LVDS_PLL */
1610 tmp = INREG(LVDS_PLL_CNTL);
1611 tmp &= ~0x30000;
1612 tmp |= 0x10000;
1613 OUTREG(LVDS_PLL_CNTL, tmp);
1614
1615 OUTPLL(pllSCLK_MORE_CNTL, rinfo->save_regs[34]);
1616 OUTPLL(pllSS_TST_CNTL, rinfo->save_regs[91]);
1617
1618 /* The trace reads that one here, waiting for something to settle down ? */
1619 INREG(RBBM_STATUS);
1620
1621 /* Ugh ? SS_TST_DEC is supposed to be a read register in the
1622 * R300 register spec at least...
1623 */
1624 tmp = INPLL(pllSS_TST_CNTL);
1625 tmp |= 0x00400000;
1626 OUTPLL(pllSS_TST_CNTL, tmp);
1627 }
1628
1629 static void radeon_pm_restore_pixel_pll(struct radeonfb_info *rinfo)
1630 {
1631 u32 tmp;
1632
1633 OUTREG8(CLOCK_CNTL_INDEX, pllHTOTAL_CNTL + PLL_WR_EN);
1634 radeon_pll_errata_after_index(rinfo);
1635 OUTREG8(CLOCK_CNTL_DATA, 0);
1636 radeon_pll_errata_after_data(rinfo);
1637
1638 tmp = INPLL(pllVCLK_ECP_CNTL);
1639 OUTPLL(pllVCLK_ECP_CNTL, tmp | 0x80);
1640 mdelay(5);
1641
1642 tmp = INPLL(pllPPLL_REF_DIV);
1643 tmp = (tmp & ~PPLL_REF_DIV_MASK) | rinfo->pll.ref_div;
1644 OUTPLL(pllPPLL_REF_DIV, tmp);
1645 INPLL(pllPPLL_REF_DIV);
1646
1647 /* Reconfigure SPLL charge pump, VCO gain, duty cycle,
1648 * probably useless since we already did it ...
1649 */
1650 tmp = INPLL(pllPPLL_CNTL);
1651 OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN);
1652 radeon_pll_errata_after_index(rinfo);
1653 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff);
1654 radeon_pll_errata_after_data(rinfo);
1655
1656 /* Restore our "reference" PPLL divider set by firmware
1657 * according to proper spread spectrum calculations
1658 */
1659 OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]);
1660
1661 tmp = INPLL(pllPPLL_CNTL);
1662 OUTPLL(pllPPLL_CNTL, tmp & ~0x2);
1663 mdelay(5);
1664
1665 tmp = INPLL(pllPPLL_CNTL);
1666 OUTPLL(pllPPLL_CNTL, tmp & ~0x1);
1667 mdelay(5);
1668
1669 tmp = INPLL(pllVCLK_ECP_CNTL);
1670 OUTPLL(pllVCLK_ECP_CNTL, tmp | 3);
1671 mdelay(5);
1672
1673 tmp = INPLL(pllVCLK_ECP_CNTL);
1674 OUTPLL(pllVCLK_ECP_CNTL, tmp | 3);
1675 mdelay(5);
1676
1677 /* Switch pixel clock to firmware default div 0 */
1678 OUTREG8(CLOCK_CNTL_INDEX+1, 0);
1679 radeon_pll_errata_after_index(rinfo);
1680 radeon_pll_errata_after_data(rinfo);
1681 }
1682
1683 static void radeon_pm_m10_reconfigure_mc(struct radeonfb_info *rinfo)
1684 {
1685 OUTREG(MC_CNTL, rinfo->save_regs[46]);
1686 OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]);
1687 OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]);
1688 OUTREG(MEM_SDRAM_MODE_REG,
1689 rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1690 OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]);
1691 OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]);
1692 OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]);
1693 OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]);
1694 OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]);
1695 OUTREG(MC_DEBUG, rinfo->save_regs[53]);
1696
1697 OUTMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER, rinfo->save_regs[58]);
1698 OUTMC(rinfo, ixR300_MC_IMP_CNTL, rinfo->save_regs[59]);
1699 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0, rinfo->save_regs[60]);
1700 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1, rinfo->save_regs[61]);
1701 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0, rinfo->save_regs[62]);
1702 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1, rinfo->save_regs[63]);
1703 OUTMC(rinfo, ixR300_MC_BIST_CNTL_3, rinfo->save_regs[64]);
1704 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0, rinfo->save_regs[65]);
1705 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1, rinfo->save_regs[66]);
1706 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0, rinfo->save_regs[67]);
1707 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1, rinfo->save_regs[68]);
1708 OUTMC(rinfo, ixR300_MC_DEBUG_CNTL, rinfo->save_regs[69]);
1709 OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]);
1710 OUTMC(rinfo, ixR300_MC_IMP_CNTL_0, rinfo->save_regs[71]);
1711 OUTMC(rinfo, ixR300_MC_ELPIDA_CNTL, rinfo->save_regs[72]);
1712 OUTMC(rinfo, ixR300_MC_READ_CNTL_CD, rinfo->save_regs[96]);
1713 OUTREG(MC_IND_INDEX, 0);
1714 }
1715
1716 static void radeon_reinitialize_M10(struct radeonfb_info *rinfo)
1717 {
1718 u32 tmp, i;
1719
1720 /* Restore a bunch of registers first */
1721 OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]);
1722 OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]);
1723 OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]);
1724 OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]);
1725 OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]);
1726 OUTREG(CONFIG_MEMSIZE, rinfo->video_ram);
1727 OUTREG(BUS_CNTL, rinfo->save_regs[36]);
1728 OUTREG(BUS_CNTL1, rinfo->save_regs[14]);
1729 OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]);
1730 OUTREG(FCP_CNTL, rinfo->save_regs[38]);
1731 OUTREG(RBBM_CNTL, rinfo->save_regs[39]);
1732 OUTREG(DAC_CNTL, rinfo->save_regs[40]);
1733 OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8);
1734 OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8);
1735
1736 /* Hrm... */
1737 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE);
1738
1739 /* Reset the PAD CTLR */
1740 radeon_pm_reset_pad_ctlr_strength(rinfo);
1741
1742 /* Some PLLs are Read & written identically in the trace here...
1743 * I suppose it's actually to switch them all off & reset,
1744 * let's assume off is what we want. I'm just doing that for all major PLLs now.
1745 */
1746 radeon_pm_all_ppls_off(rinfo);
1747
1748 /* Clear tiling, reset swappers */
1749 INREG(SURFACE_CNTL);
1750 OUTREG(SURFACE_CNTL, 0);
1751
1752 /* Some black magic with TV_DAC_CNTL, we should restore those from backups
1753 * rather than hard coding...
1754 */
1755 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK;
1756 tmp |= 8 << TV_DAC_CNTL_BGADJ__SHIFT;
1757 OUTREG(TV_DAC_CNTL, tmp);
1758
1759 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK;
1760 tmp |= 7 << TV_DAC_CNTL_DACADJ__SHIFT;
1761 OUTREG(TV_DAC_CNTL, tmp);
1762
1763 /* More registers restored */
1764 OUTREG(AGP_CNTL, rinfo->save_regs[16]);
1765 OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]);
1766 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]);
1767
1768 /* Hrmmm ... What is that ? */
1769 tmp = rinfo->save_regs[1]
1770 & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK |
1771 CLK_PWRMGT_CNTL__MC_BUSY);
1772 OUTPLL(pllCLK_PWRMGT_CNTL, tmp);
1773
1774 OUTREG(PAD_CTLR_MISC, rinfo->save_regs[56]);
1775 OUTREG(FW_CNTL, rinfo->save_regs[57]);
1776 OUTREG(HDP_DEBUG, rinfo->save_regs[96]);
1777 OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]);
1778 OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]);
1779 OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]);
1780
1781 /* Restore Memory Controller configuration */
1782 radeon_pm_m10_reconfigure_mc(rinfo);
1783
1784 /* Make sure CRTC's dont touch memory */
1785 OUTREG(CRTC_GEN_CNTL, INREG(CRTC_GEN_CNTL)
1786 | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B);
1787 OUTREG(CRTC2_GEN_CNTL, INREG(CRTC2_GEN_CNTL)
1788 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B);
1789 mdelay(30);
1790
1791 /* Disable SDRAM refresh */
1792 OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL)
1793 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS);
1794
1795 /* Restore XTALIN routing (CLK_PIN_CNTL) */
1796 OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]);
1797
1798 /* Switch MCLK, YCLK and SCLK PLLs to PCI source & force them ON */
1799 tmp = rinfo->save_regs[2] & 0xff000000;
1800 tmp |= MCLK_CNTL__FORCE_MCLKA |
1801 MCLK_CNTL__FORCE_MCLKB |
1802 MCLK_CNTL__FORCE_YCLKA |
1803 MCLK_CNTL__FORCE_YCLKB |
1804 MCLK_CNTL__FORCE_MC;
1805 OUTPLL(pllMCLK_CNTL, tmp);
1806
1807 /* Force all clocks on in SCLK */
1808 tmp = INPLL(pllSCLK_CNTL);
1809 tmp |= SCLK_CNTL__FORCE_DISP2|
1810 SCLK_CNTL__FORCE_CP|
1811 SCLK_CNTL__FORCE_HDP|
1812 SCLK_CNTL__FORCE_DISP1|
1813 SCLK_CNTL__FORCE_TOP|
1814 SCLK_CNTL__FORCE_E2|
1815 SCLK_CNTL__FORCE_SE|
1816 SCLK_CNTL__FORCE_IDCT|
1817 SCLK_CNTL__FORCE_VIP|
1818 SCLK_CNTL__FORCE_PB|
1819 SCLK_CNTL__FORCE_TAM|
1820 SCLK_CNTL__FORCE_TDM|
1821 SCLK_CNTL__FORCE_RB|
1822 SCLK_CNTL__FORCE_TV_SCLK|
1823 SCLK_CNTL__FORCE_SUBPIC|
1824 SCLK_CNTL__FORCE_OV0;
1825 tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT |
1826 SCLK_CNTL__HDP_MAX_DYN_STOP_LAT |
1827 SCLK_CNTL__TV_MAX_DYN_STOP_LAT |
1828 SCLK_CNTL__E2_MAX_DYN_STOP_LAT |
1829 SCLK_CNTL__SE_MAX_DYN_STOP_LAT |
1830 SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT|
1831 SCLK_CNTL__VIP_MAX_DYN_STOP_LAT |
1832 SCLK_CNTL__RE_MAX_DYN_STOP_LAT |
1833 SCLK_CNTL__PB_MAX_DYN_STOP_LAT |
1834 SCLK_CNTL__TAM_MAX_DYN_STOP_LAT |
1835 SCLK_CNTL__TDM_MAX_DYN_STOP_LAT |
1836 SCLK_CNTL__RB_MAX_DYN_STOP_LAT;
1837 OUTPLL(pllSCLK_CNTL, tmp);
1838
1839 OUTPLL(pllVCLK_ECP_CNTL, 0);
1840 OUTPLL(pllPIXCLKS_CNTL, 0);
1841 OUTPLL(pllMCLK_MISC,
1842 MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT |
1843 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT);
1844
1845 mdelay(5);
1846
1847 /* Restore the M_SPLL_REF_FB_DIV, MPLL_AUX_CNTL and SPLL_AUX_CNTL values */
1848 OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]);
1849 OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]);
1850 OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]);
1851
1852 /* Now restore the major PLLs settings, keeping them off & reset though */
1853 OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3);
1854 OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3);
1855 OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03);
1856 OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03);
1857
1858 /* Restore MC DLL state and switch it off/reset too */
1859 OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]);
1860
1861 /* Switch MDLL off & reset */
1862 OUTPLL(pllMDLL_RDCKA, rinfo->save_regs[98] | 0xff);
1863 mdelay(5);
1864
1865 /* Setup some black magic bits in PLL_PWRMGT_CNTL. Hrm... we saved
1866 * 0xa1100007... and MacOS writes 0xa1000007 ..
1867 */
1868 OUTPLL(pllPLL_PWRMGT_CNTL, rinfo->save_regs[0]);
1869
1870 /* Restore more stuffs */
1871 OUTPLL(pllHTOTAL_CNTL, 0);
1872 OUTPLL(pllHTOTAL2_CNTL, 0);
1873
1874 /* More PLL initial configuration */
1875 tmp = INPLL(pllSCLK_CNTL2); /* What for ? */
1876 OUTPLL(pllSCLK_CNTL2, tmp);
1877
1878 tmp = INPLL(pllSCLK_MORE_CNTL);
1879 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS | /* a guess */
1880 SCLK_MORE_CNTL__FORCE_MC_GUI |
1881 SCLK_MORE_CNTL__FORCE_MC_HOST;
1882 OUTPLL(pllSCLK_MORE_CNTL, tmp);
1883
1884 /* Now we actually start MCLK and SCLK */
1885 radeon_pm_start_mclk_sclk(rinfo);
1886
1887 /* Full reset sdrams, this also re-inits the MDLL */
1888 radeon_pm_full_reset_sdram(rinfo);
1889
1890 /* Fill palettes */
1891 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20);
1892 for (i=0; i<256; i++)
1893 OUTREG(PALETTE_30_DATA, 0x15555555);
1894 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20);
1895 udelay(20);
1896 for (i=0; i<256; i++)
1897 OUTREG(PALETTE_30_DATA, 0x15555555);
1898
1899 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20);
1900 mdelay(3);
1901
1902 /* Restore TMDS */
1903 OUTREG(FP_GEN_CNTL, rinfo->save_regs[82]);
1904 OUTREG(FP2_GEN_CNTL, rinfo->save_regs[83]);
1905
1906 /* Set LVDS registers but keep interface & pll down */
1907 OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] &
1908 ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN));
1909 OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000);
1910
1911 OUTREG(DISP_OUTPUT_CNTL, rinfo->save_regs[86]);
1912
1913 /* Restore GPIOPAD state */
1914 OUTREG(GPIOPAD_A, rinfo->save_regs[19]);
1915 OUTREG(GPIOPAD_EN, rinfo->save_regs[20]);
1916 OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]);
1917
1918 /* write some stuff to the framebuffer... */
1919 for (i = 0; i < 0x8000; ++i)
1920 writeb(0, rinfo->fb_base + i);
1921
1922 mdelay(40);
1923 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON);
1924 mdelay(40);
1925
1926 /* Restore a few more things */
1927 OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]);
1928 OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]);
1929
1930 /* Take care of spread spectrum & PPLLs now */
1931 radeon_pm_m10_disable_spread_spectrum(rinfo);
1932 radeon_pm_restore_pixel_pll(rinfo);
1933
1934 /* GRRRR... I can't figure out the proper LVDS power sequence, and the
1935 * code I have for blank/unblank doesn't quite work on some laptop models
1936 * it seems ... Hrm. What I have here works most of the time ...
1937 */
1938 radeon_pm_m10_enable_lvds_spread_spectrum(rinfo);
1939 }
1940
1941 #ifdef CONFIG_PPC_OF
1942
1943 static void radeon_pm_m9p_reconfigure_mc(struct radeonfb_info *rinfo)
1944 {
1945 OUTREG(MC_CNTL, rinfo->save_regs[46]);
1946 OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]);
1947 OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]);
1948 OUTREG(MEM_SDRAM_MODE_REG,
1949 rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE);
1950 OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]);
1951 OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]);
1952 OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]);
1953 OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]);
1954 OUTREG(MC_DEBUG, rinfo->save_regs[53]);
1955 OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]);
1956
1957 OUTMC(rinfo, ixMC_IMP_CNTL, rinfo->save_regs[59] /*0x00f460d6*/);
1958 OUTMC(rinfo, ixMC_CHP_IO_CNTL_A0, rinfo->save_regs[65] /*0xfecfa666*/);
1959 OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, rinfo->save_regs[66] /*0x141555ff*/);
1960 OUTMC(rinfo, ixMC_CHP_IO_CNTL_B0, rinfo->save_regs[67] /*0xfecfa666*/);
1961 OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, rinfo->save_regs[68] /*0x141555ff*/);
1962 OUTMC(rinfo, ixMC_IMP_CNTL_0, rinfo->save_regs[71] /*0x00009249*/);
1963 OUTREG(MC_IND_INDEX, 0);
1964 OUTREG(CONFIG_MEMSIZE, rinfo->video_ram);
1965
1966 mdelay(20);
1967 }
1968
1969 static void radeon_reinitialize_M9P(struct radeonfb_info *rinfo)
1970 {
1971 u32 tmp, i;
1972
1973 /* Restore a bunch of registers first */
1974 OUTREG(SURFACE_CNTL, rinfo->save_regs[29]);
1975 OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]);
1976 OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]);
1977 OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]);
1978 OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]);
1979 OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]);
1980 OUTREG(BUS_CNTL, rinfo->save_regs[36]);
1981 OUTREG(BUS_CNTL1, rinfo->save_regs[14]);
1982 OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]);
1983 OUTREG(FCP_CNTL, rinfo->save_regs[38]);
1984 OUTREG(RBBM_CNTL, rinfo->save_regs[39]);
1985
1986 OUTREG(DAC_CNTL, rinfo->save_regs[40]);
1987 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE);
1988
1989 /* Reset the PAD CTLR */
1990 radeon_pm_reset_pad_ctlr_strength(rinfo);
1991
1992 /* Some PLLs are Read & written identically in the trace here...
1993 * I suppose it's actually to switch them all off & reset,
1994 * let's assume off is what we want. I'm just doing that for all major PLLs now.
1995 */
1996 radeon_pm_all_ppls_off(rinfo);
1997
1998 /* Clear tiling, reset swappers */
1999 INREG(SURFACE_CNTL);
2000 OUTREG(SURFACE_CNTL, 0);
2001
2002 /* Some black magic with TV_DAC_CNTL, we should restore those from backups
2003 * rather than hard coding...
2004 */
2005 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK;
2006 tmp |= 6 << TV_DAC_CNTL_BGADJ__SHIFT;
2007 OUTREG(TV_DAC_CNTL, tmp);
2008
2009 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK;
2010 tmp |= 6 << TV_DAC_CNTL_DACADJ__SHIFT;
2011 OUTREG(TV_DAC_CNTL, tmp);
2012
2013 OUTPLL(pllAGP_PLL_CNTL, rinfo->save_regs[78]);
2014
2015 OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]);
2016 OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]);
2017 OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]);
2018
2019 OUTREG(AGP_CNTL, rinfo->save_regs[16]);
2020 OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); /* MacOS sets that to 0 !!! */
2021 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]);
2022
2023 tmp = rinfo->save_regs[1]
2024 & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK |
2025 CLK_PWRMGT_CNTL__MC_BUSY);
2026 OUTPLL(pllCLK_PWRMGT_CNTL, tmp);
2027
2028 OUTREG(FW_CNTL, rinfo->save_regs[57]);
2029
2030 /* Disable SDRAM refresh */
2031 OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL)
2032 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS);
2033
2034 /* Restore XTALIN routing (CLK_PIN_CNTL) */
2035 OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]);
2036
2037 /* Force MCLK to be PCI sourced and forced ON */
2038 tmp = rinfo->save_regs[2] & 0xff000000;
2039 tmp |= MCLK_CNTL__FORCE_MCLKA |
2040 MCLK_CNTL__FORCE_MCLKB |
2041 MCLK_CNTL__FORCE_YCLKA |
2042 MCLK_CNTL__FORCE_YCLKB |
2043 MCLK_CNTL__FORCE_MC |
2044 MCLK_CNTL__FORCE_AIC;
2045 OUTPLL(pllMCLK_CNTL, tmp);
2046
2047 /* Force SCLK to be PCI sourced with a bunch forced */
2048 tmp = 0 |
2049 SCLK_CNTL__FORCE_DISP2|
2050 SCLK_CNTL__FORCE_CP|
2051 SCLK_CNTL__FORCE_HDP|
2052 SCLK_CNTL__FORCE_DISP1|
2053 SCLK_CNTL__FORCE_TOP|
2054 SCLK_CNTL__FORCE_E2|
2055 SCLK_CNTL__FORCE_SE|
2056 SCLK_CNTL__FORCE_IDCT|
2057 SCLK_CNTL__FORCE_VIP|
2058 SCLK_CNTL__FORCE_RE|
2059 SCLK_CNTL__FORCE_PB|
2060 SCLK_CNTL__FORCE_TAM|
2061 SCLK_CNTL__FORCE_TDM|
2062 SCLK_CNTL__FORCE_RB;
2063 OUTPLL(pllSCLK_CNTL, tmp);
2064
2065 /* Clear VCLK_ECP_CNTL & PIXCLKS_CNTL */
2066 OUTPLL(pllVCLK_ECP_CNTL, 0);
2067 OUTPLL(pllPIXCLKS_CNTL, 0);
2068
2069 /* Setup MCLK_MISC, non dynamic mode */
2070 OUTPLL(pllMCLK_MISC,
2071 MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT |
2072 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT);
2073
2074 mdelay(5);
2075
2076 /* Set back the default clock dividers */
2077 OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]);
2078 OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]);
2079 OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]);
2080
2081 /* PPLL and P2PLL default values & off */
2082 OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3);
2083 OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3);
2084
2085 /* S and M PLLs are reset & off, configure them */
2086 OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03);
2087 OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03);
2088
2089 /* Default values for MDLL ... fixme */
2090 OUTPLL(pllMDLL_CKO, 0x9c009c);
2091 OUTPLL(pllMDLL_RDCKA, 0x08830883);
2092 OUTPLL(pllMDLL_RDCKB, 0x08830883);
2093 mdelay(5);
2094
2095 /* Restore PLL_PWRMGT_CNTL */ // XXXX
2096 tmp = rinfo->save_regs[0];
2097 tmp &= ~PLL_PWRMGT_CNTL_SU_SCLK_USE_BCLK;
2098 tmp |= PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK;
2099 OUTPLL(PLL_PWRMGT_CNTL, tmp);
2100
2101 /* Clear HTOTAL_CNTL & HTOTAL2_CNTL */
2102 OUTPLL(pllHTOTAL_CNTL, 0);
2103 OUTPLL(pllHTOTAL2_CNTL, 0);
2104
2105 /* All outputs off */
2106 OUTREG(CRTC_GEN_CNTL, 0x04000000);
2107 OUTREG(CRTC2_GEN_CNTL, 0x04000000);
2108 OUTREG(FP_GEN_CNTL, 0x00004008);
2109 OUTREG(FP2_GEN_CNTL, 0x00000008);
2110 OUTREG(LVDS_GEN_CNTL, 0x08000008);
2111
2112 /* Restore Memory Controller configuration */
2113 radeon_pm_m9p_reconfigure_mc(rinfo);
2114
2115 /* Now we actually start MCLK and SCLK */
2116 radeon_pm_start_mclk_sclk(rinfo);
2117
2118 /* Full reset sdrams, this also re-inits the MDLL */
2119 radeon_pm_full_reset_sdram(rinfo);
2120
2121 /* Fill palettes */
2122 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20);
2123 for (i=0; i<256; i++)
2124 OUTREG(PALETTE_30_DATA, 0x15555555);
2125 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20);
2126 udelay(20);
2127 for (i=0; i<256; i++)
2128 OUTREG(PALETTE_30_DATA, 0x15555555);
2129
2130 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20);
2131 mdelay(3);
2132
2133 /* Restore TV stuff, make sure TV DAC is down */
2134 OUTREG(TV_MASTER_CNTL, rinfo->save_regs[88]);
2135 OUTREG(TV_DAC_CNTL, rinfo->save_regs[13] | 0x07000000);
2136
2137 /* Restore GPIOS. MacOS does some magic here with one of the GPIO bits,
2138 * possibly related to the weird PLL related workarounds and to the
2139 * fact that CLK_PIN_CNTL is tweaked in ways I don't fully understand,
2140 * but we keep things the simple way here
2141 */
2142 OUTREG(GPIOPAD_A, rinfo->save_regs[19]);
2143 OUTREG(GPIOPAD_EN, rinfo->save_regs[20]);
2144 OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]);
2145
2146 /* Now do things with SCLK_MORE_CNTL. Force bits are already set, copy
2147 * high bits from backup
2148 */
2149 tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff;
2150 tmp |= rinfo->save_regs[34] & 0xffff0000;
2151 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS;
2152 OUTPLL(pllSCLK_MORE_CNTL, tmp);
2153
2154 tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff;
2155 tmp |= rinfo->save_regs[34] & 0xffff0000;
2156 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS;
2157 OUTPLL(pllSCLK_MORE_CNTL, tmp);
2158
2159 OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] &
2160 ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN));
2161 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_BLON);
2162 OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000);
2163 mdelay(20);
2164
2165 /* write some stuff to the framebuffer... */
2166 for (i = 0; i < 0x8000; ++i)
2167 writeb(0, rinfo->fb_base + i);
2168
2169 OUTREG(0x2ec, 0x6332a020);
2170 OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44] /*0x3f */);
2171 OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45] /*0x000081bb */);
2172 tmp = INPLL(pllSSPLL_CNTL);
2173 tmp &= ~2;
2174 OUTPLL(pllSSPLL_CNTL, tmp);
2175 mdelay(6);
2176 tmp &= ~1;
2177 OUTPLL(pllSSPLL_CNTL, tmp);
2178 mdelay(5);
2179 tmp |= 3;
2180 OUTPLL(pllSSPLL_CNTL, tmp);
2181 mdelay(5);
2182
2183 OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3);/*0x0020300c*/
2184 OUTREG(0x2ec, 0x6332a3f0);
2185 mdelay(17);
2186
2187 OUTPLL(pllPPLL_REF_DIV, rinfo->pll.ref_div);
2188 OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]);
2189
2190 mdelay(40);
2191 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON);
2192 mdelay(40);
2193
2194 /* Restore a few more things */
2195 OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]);
2196 OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]);
2197
2198 /* Restore PPLL, spread spectrum & LVDS */
2199 radeon_pm_m10_disable_spread_spectrum(rinfo);
2200 radeon_pm_restore_pixel_pll(rinfo);
2201 radeon_pm_m10_enable_lvds_spread_spectrum(rinfo);
2202 }
2203
2204 #if 0 /* Not ready yet */
2205 static void radeon_reinitialize_QW(struct radeonfb_info *rinfo)
2206 {
2207 int i;
2208 u32 tmp, tmp2;
2209 u32 cko, cka, ckb;
2210 u32 cgc, cec, c2gc;
2211
2212 OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]);
2213 OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]);
2214 OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]);
2215 OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]);
2216 OUTREG(BUS_CNTL, rinfo->save_regs[36]);
2217 OUTREG(RBBM_CNTL, rinfo->save_regs[39]);
2218
2219 INREG(PAD_CTLR_STRENGTH);
2220 OUTREG(PAD_CTLR_STRENGTH, INREG(PAD_CTLR_STRENGTH) & ~0x10000);
2221 for (i = 0; i < 65; ++i) {
2222 mdelay(1);
2223 INREG(PAD_CTLR_STRENGTH);
2224 }
2225
2226 OUTREG(DISP_TEST_DEBUG_CNTL, INREG(DISP_TEST_DEBUG_CNTL) | 0x10000000);
2227 OUTREG(OV0_FLAG_CNTRL, INREG(OV0_FLAG_CNTRL) | 0x100);
2228 OUTREG(CRTC_GEN_CNTL, INREG(CRTC_GEN_CNTL));
2229 OUTREG(DAC_CNTL, 0xff00410a);
2230 OUTREG(CRTC2_GEN_CNTL, INREG(CRTC2_GEN_CNTL));
2231 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x4000);
2232
2233 OUTREG(SURFACE_CNTL, rinfo->save_regs[29]);
2234 OUTREG(AGP_CNTL, rinfo->save_regs[16]);
2235 OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]);
2236 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]);
2237
2238 OUTMC(rinfo, ixMC_CHP_IO_CNTL_A0, 0xf7bb4433);
2239 OUTREG(MC_IND_INDEX, 0);
2240 OUTMC(rinfo, ixMC_CHP_IO_CNTL_B0, 0xf7bb4433);
2241 OUTREG(MC_IND_INDEX, 0);
2242
2243 OUTREG(CRTC_MORE_CNTL, INREG(CRTC_MORE_CNTL));
2244
2245 tmp = INPLL(pllVCLK_ECP_CNTL);
2246 OUTPLL(pllVCLK_ECP_CNTL, tmp);
2247 tmp = INPLL(pllPIXCLKS_CNTL);
2248 OUTPLL(pllPIXCLKS_CNTL, tmp);
2249
2250 OUTPLL(MCLK_CNTL, 0xaa3f0000);
2251 OUTPLL(SCLK_CNTL, 0xffff0000);
2252 OUTPLL(pllMPLL_AUX_CNTL, 6);
2253 OUTPLL(pllSPLL_AUX_CNTL, 1);
2254 OUTPLL(MDLL_CKO, 0x9f009f);
2255 OUTPLL(MDLL_RDCKA, 0x830083);
2256 OUTPLL(pllMDLL_RDCKB, 0x830083);
2257 OUTPLL(PPLL_CNTL, 0xa433);
2258 OUTPLL(P2PLL_CNTL, 0xa433);
2259 OUTPLL(MPLL_CNTL, 0x0400a403);
2260 OUTPLL(SPLL_CNTL, 0x0400a433);
2261
2262 tmp = INPLL(M_SPLL_REF_FB_DIV);
2263 OUTPLL(M_SPLL_REF_FB_DIV, tmp);
2264 tmp = INPLL(M_SPLL_REF_FB_DIV);
2265 OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0xc);
2266 INPLL(M_SPLL_REF_FB_DIV);
2267
2268 tmp = INPLL(MPLL_CNTL);
2269 OUTREG8(CLOCK_CNTL_INDEX, MPLL_CNTL + PLL_WR_EN);
2270 radeon_pll_errata_after_index(rinfo);
2271 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff);
2272 radeon_pll_errata_after_data(rinfo);
2273
2274 tmp = INPLL(M_SPLL_REF_FB_DIV);
2275 OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0x5900);
2276
2277 tmp = INPLL(MPLL_CNTL);
2278 OUTPLL(MPLL_CNTL, tmp & ~0x2);
2279 mdelay(1);
2280 tmp = INPLL(MPLL_CNTL);
2281 OUTPLL(MPLL_CNTL, tmp & ~0x1);
2282 mdelay(10);
2283
2284 OUTPLL(MCLK_CNTL, 0xaa3f1212);
2285 mdelay(1);
2286
2287 INPLL(M_SPLL_REF_FB_DIV);
2288 INPLL(MCLK_CNTL);
2289 INPLL(M_SPLL_REF_FB_DIV);
2290
2291 tmp = INPLL(SPLL_CNTL);
2292 OUTREG8(CLOCK_CNTL_INDEX, SPLL_CNTL + PLL_WR_EN);
2293 radeon_pll_errata_after_index(rinfo);
2294 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff);
2295 radeon_pll_errata_after_data(rinfo);
2296
2297 tmp = INPLL(M_SPLL_REF_FB_DIV);
2298 OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0x780000);
2299
2300 tmp = INPLL(SPLL_CNTL);
2301 OUTPLL(SPLL_CNTL, tmp & ~0x1);
2302 mdelay(1);
2303 tmp = INPLL(SPLL_CNTL);
2304 OUTPLL(SPLL_CNTL, tmp & ~0x2);
2305 mdelay(10);
2306
2307 tmp = INPLL(SCLK_CNTL);
2308 OUTPLL(SCLK_CNTL, tmp | 2);
2309 mdelay(1);
2310
2311 cko = INPLL(pllMDLL_CKO);
2312 cka = INPLL(pllMDLL_RDCKA);
2313 ckb = INPLL(pllMDLL_RDCKB);
2314
2315 cko &= ~(MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOB_SLEEP);
2316 OUTPLL(pllMDLL_CKO, cko);
2317 mdelay(1);
2318 cko &= ~(MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET);
2319 OUTPLL(pllMDLL_CKO, cko);
2320 mdelay(5);
2321
2322 cka &= ~(MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP);
2323 OUTPLL(pllMDLL_RDCKA, cka);
2324 mdelay(1);
2325 cka &= ~(MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET);
2326 OUTPLL(pllMDLL_RDCKA, cka);
2327 mdelay(5);
2328
2329 ckb &= ~(MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP);
2330 OUTPLL(pllMDLL_RDCKB, ckb);
2331 mdelay(1);
2332 ckb &= ~(MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET);
2333 OUTPLL(pllMDLL_RDCKB, ckb);
2334 mdelay(5);
2335
2336 OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, 0x151550ff);
2337 OUTREG(MC_IND_INDEX, 0);
2338 OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, 0x151550ff);
2339 OUTREG(MC_IND_INDEX, 0);
2340 mdelay(1);
2341 OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, 0x141550ff);
2342 OUTREG(MC_IND_INDEX, 0);
2343 OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, 0x141550ff);
2344 OUTREG(MC_IND_INDEX, 0);
2345 mdelay(1);
2346
2347 OUTPLL(pllHTOTAL_CNTL, 0);
2348 OUTPLL(pllHTOTAL2_CNTL, 0);
2349
2350 OUTREG(MEM_CNTL, 0x29002901);
2351 OUTREG(MEM_SDRAM_MODE_REG, 0x45320032); /* XXX use save_regs[35]? */
2352 OUTREG(EXT_MEM_CNTL, 0x1a394333);
2353 OUTREG(MEM_IO_CNTL_A1, 0x0aac0aac);
2354 OUTREG(MEM_INIT_LATENCY_TIMER, 0x34444444);
2355 OUTREG(MEM_REFRESH_CNTL, 0x1f1f7218); /* XXX or save_regs[42]? */
2356 OUTREG(MC_DEBUG, 0);
2357 OUTREG(MEM_IO_OE_CNTL, 0x04300430);
2358
2359 OUTMC(rinfo, ixMC_IMP_CNTL, 0x00f460d6);
2360 OUTREG(MC_IND_INDEX, 0);
2361 OUTMC(rinfo, ixMC_IMP_CNTL_0, 0x00009249);
2362 OUTREG(MC_IND_INDEX, 0);
2363
2364 OUTREG(CONFIG_MEMSIZE, rinfo->video_ram);
2365
2366 radeon_pm_full_reset_sdram(rinfo);
2367
2368 INREG(FP_GEN_CNTL);
2369 OUTREG(TMDS_CNTL, 0x01000000); /* XXX ? */
2370 tmp = INREG(FP_GEN_CNTL);
2371 tmp |= FP_CRTC_DONT_SHADOW_HEND | FP_CRTC_DONT_SHADOW_VPAR | 0x200;
2372 OUTREG(FP_GEN_CNTL, tmp);
2373
2374 tmp = INREG(DISP_OUTPUT_CNTL);
2375 tmp &= ~0x400;
2376 OUTREG(DISP_OUTPUT_CNTL, tmp);
2377
2378 OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]);
2379 OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]);
2380 OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]);
2381
2382 tmp = INPLL(MCLK_MISC);
2383 tmp |= MCLK_MISC__MC_MCLK_DYN_ENABLE | MCLK_MISC__IO_MCLK_DYN_ENABLE;
2384 OUTPLL(MCLK_MISC, tmp);
2385
2386 tmp = INPLL(SCLK_CNTL);
2387 OUTPLL(SCLK_CNTL, tmp);
2388
2389 OUTREG(CRTC_MORE_CNTL, 0);
2390 OUTREG8(CRTC_GEN_CNTL+1, 6);
2391 OUTREG8(CRTC_GEN_CNTL+3, 1);
2392 OUTREG(CRTC_PITCH, 32);
2393
2394 tmp = INPLL(VCLK_ECP_CNTL);
2395 OUTPLL(VCLK_ECP_CNTL, tmp);
2396
2397 tmp = INPLL(PPLL_CNTL);
2398 OUTPLL(PPLL_CNTL, tmp);
2399
2400 /* palette stuff and BIOS_1_SCRATCH... */
2401
2402 tmp = INREG(FP_GEN_CNTL);
2403 tmp2 = INREG(TMDS_TRANSMITTER_CNTL);
2404 tmp |= 2;
2405 OUTREG(FP_GEN_CNTL, tmp);
2406 mdelay(5);
2407 OUTREG(FP_GEN_CNTL, tmp);
2408 mdelay(5);
2409 OUTREG(TMDS_TRANSMITTER_CNTL, tmp2);
2410 OUTREG(CRTC_MORE_CNTL, 0);
2411 mdelay(20);
2412
2413 tmp = INREG(CRTC_MORE_CNTL);
2414 OUTREG(CRTC_MORE_CNTL, tmp);
2415
2416 cgc = INREG(CRTC_GEN_CNTL);
2417 cec = INREG(CRTC_EXT_CNTL);
2418 c2gc = INREG(CRTC2_GEN_CNTL);
2419
2420 OUTREG(CRTC_H_SYNC_STRT_WID, 0x008e0580);
2421 OUTREG(CRTC_H_TOTAL_DISP, 0x009f00d2);
2422 OUTREG8(CLOCK_CNTL_INDEX, HTOTAL_CNTL + PLL_WR_EN);
2423 radeon_pll_errata_after_index(rinfo);
2424 OUTREG8(CLOCK_CNTL_DATA, 0);
2425 radeon_pll_errata_after_data(rinfo);
2426 OUTREG(CRTC_V_SYNC_STRT_WID, 0x00830403);
2427 OUTREG(CRTC_V_TOTAL_DISP, 0x03ff0429);
2428 OUTREG(FP_CRTC_H_TOTAL_DISP, 0x009f0033);
2429 OUTREG(FP_H_SYNC_STRT_WID, 0x008e0080);
2430 OUTREG(CRT_CRTC_H_SYNC_STRT_WID, 0x008e0080);
2431 OUTREG(FP_CRTC_V_TOTAL_DISP, 0x03ff002a);
2432 OUTREG(FP_V_SYNC_STRT_WID, 0x00830004);
2433 OUTREG(CRT_CRTC_V_SYNC_STRT_WID, 0x00830004);
2434 OUTREG(FP_HORZ_VERT_ACTIVE, 0x009f03ff);
2435 OUTREG(FP_HORZ_STRETCH, 0);
2436 OUTREG(FP_VERT_STRETCH, 0);
2437 OUTREG(OVR_CLR, 0);
2438 OUTREG(OVR_WID_LEFT_RIGHT, 0);
2439 OUTREG(OVR_WID_TOP_BOTTOM, 0);
2440
2441 tmp = INPLL(PPLL_REF_DIV);
2442 tmp = (tmp & ~PPLL_REF_DIV_MASK) | rinfo->pll.ref_div;
2443 OUTPLL(PPLL_REF_DIV, tmp);
2444 INPLL(PPLL_REF_DIV);
2445
2446 OUTREG8(CLOCK_CNTL_INDEX, PPLL_CNTL + PLL_WR_EN);
2447 radeon_pll_errata_after_index(rinfo);
2448 OUTREG8(CLOCK_CNTL_DATA + 1, 0xbc);
2449 radeon_pll_errata_after_data(rinfo);
2450
2451 tmp = INREG(CLOCK_CNTL_INDEX);
2452 radeon_pll_errata_after_index(rinfo);
2453 OUTREG(CLOCK_CNTL_INDEX, tmp & 0xff);
2454 radeon_pll_errata_after_index(rinfo);
2455 radeon_pll_errata_after_data(rinfo);
2456
2457 OUTPLL(PPLL_DIV_0, 0x48090);
2458
2459 tmp = INPLL(PPLL_CNTL);
2460 OUTPLL(PPLL_CNTL, tmp & ~0x2);
2461 mdelay(1);
2462 tmp = INPLL(PPLL_CNTL);
2463 OUTPLL(PPLL_CNTL, tmp & ~0x1);
2464 mdelay(10);
2465
2466 tmp = INPLL(VCLK_ECP_CNTL);
2467 OUTPLL(VCLK_ECP_CNTL, tmp | 3);
2468 mdelay(1);
2469
2470 tmp = INPLL(VCLK_ECP_CNTL);
2471 OUTPLL(VCLK_ECP_CNTL, tmp);
2472
2473 c2gc |= CRTC2_DISP_REQ_EN_B;
2474 OUTREG(CRTC2_GEN_CNTL, c2gc);
2475 cgc |= CRTC_EN;
2476 OUTREG(CRTC_GEN_CNTL, cgc);
2477 OUTREG(CRTC_EXT_CNTL, cec);
2478 OUTREG(CRTC_PITCH, 0xa0);
2479 OUTREG(CRTC_OFFSET, 0);
2480 OUTREG(CRTC_OFFSET_CNTL, 0);
2481
2482 OUTREG(GRPH_BUFFER_CNTL, 0x20117c7c);
2483 OUTREG(GRPH2_BUFFER_CNTL, 0x00205c5c);
2484
2485 tmp2 = INREG(FP_GEN_CNTL);
2486 tmp = INREG(TMDS_TRANSMITTER_CNTL);
2487 OUTREG(0x2a8, 0x0000061b);
2488 tmp |= TMDS_PLL_EN;
2489 OUTREG(TMDS_TRANSMITTER_CNTL, tmp);
2490 mdelay(1);
2491 tmp &= ~TMDS_PLLRST;
2492 OUTREG(TMDS_TRANSMITTER_CNTL, tmp);
2493 tmp2 &= ~2;
2494 tmp2 |= FP_TMDS_EN;
2495 OUTREG(FP_GEN_CNTL, tmp2);
2496 mdelay(5);
2497 tmp2 |= FP_FPON;
2498 OUTREG(FP_GEN_CNTL, tmp2);
2499
2500 OUTREG(CUR_HORZ_VERT_OFF, CUR_LOCK | 1);
2501 cgc = INREG(CRTC_GEN_CNTL);
2502 OUTREG(CUR_HORZ_VERT_POSN, 0xbfff0fff);
2503 cgc |= 0x10000;
2504 OUTREG(CUR_OFFSET, 0);
2505 }
2506 #endif /* 0 */
2507
2508 #endif /* CONFIG_PPC_OF */
2509
2510 static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend)
2511 {
2512 u16 pwr_cmd;
2513 u32 tmp;
2514 int i;
2515
2516 if (!rinfo->pm_reg)
2517 return;
2518
2519 /* Set the chip into appropriate suspend mode (we use D2,
2520 * D3 would require a compete re-initialization of the chip,
2521 * including PCI config registers, clocks, AGP conf, ...)
2522 */
2523 if (suspend) {
2524 printk(KERN_DEBUG "radeonfb (%s): switching to D2 state...\n",
2525 pci_name(rinfo->pdev));
2526
2527 /* Disable dynamic power management of clocks for the
2528 * duration of the suspend/resume process
2529 */
2530 radeon_pm_disable_dynamic_mode(rinfo);
2531
2532 /* Save some registers */
2533 radeon_pm_save_regs(rinfo, 0);
2534
2535 /* Prepare mobility chips for suspend.
2536 */
2537 if (rinfo->is_mobility) {
2538 /* Program V2CLK */
2539 radeon_pm_program_v2clk(rinfo);
2540
2541 /* Disable IO PADs */
2542 radeon_pm_disable_iopad(rinfo);
2543
2544 /* Set low current */
2545 radeon_pm_low_current(rinfo);
2546
2547 /* Prepare chip for power management */
2548 radeon_pm_setup_for_suspend(rinfo);
2549
2550 if (rinfo->family <= CHIP_FAMILY_RV280) {
2551 /* Reset the MDLL */
2552 /* because both INPLL and OUTPLL take the same
2553 * lock, that's why. */
2554 tmp = INPLL( pllMDLL_CKO) | MDLL_CKO__MCKOA_RESET
2555 | MDLL_CKO__MCKOB_RESET;
2556 OUTPLL( pllMDLL_CKO, tmp );
2557 }
2558 }
2559
2560 for (i = 0; i < 64; ++i)
2561 pci_read_config_dword(rinfo->pdev, i * 4,
2562 &rinfo->cfg_save[i]);
2563
2564 /* Switch PCI power managment to D2. */
2565 pci_disable_device(rinfo->pdev);
2566 for (;;) {
2567 pci_read_config_word(
2568 rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
2569 &pwr_cmd);
2570 if (pwr_cmd & 2)
2571 break;
2572 pci_write_config_word(
2573 rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
2574 (pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | 2);
2575 mdelay(500);
2576 }
2577 } else {
2578 printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n",
2579 pci_name(rinfo->pdev));
2580
2581 /* Switch back PCI powermanagment to D0 */
2582 mdelay(200);
2583 pci_write_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, 0);
2584 mdelay(500);
2585
2586 if (rinfo->family <= CHIP_FAMILY_RV250) {
2587 /* Reset the SDRAM controller */
2588 radeon_pm_full_reset_sdram(rinfo);
2589
2590 /* Restore some registers */
2591 radeon_pm_restore_regs(rinfo);
2592 } else {
2593 /* Restore registers first */
2594 radeon_pm_restore_regs(rinfo);
2595 /* init sdram controller */
2596 radeon_pm_full_reset_sdram(rinfo);
2597 }
2598 }
2599 }
2600
2601 static int radeon_restore_pci_cfg(struct radeonfb_info *rinfo)
2602 {
2603 int i;
2604 static u32 radeon_cfg_after_resume[64];
2605
2606 for (i = 0; i < 64; ++i)
2607 pci_read_config_dword(rinfo->pdev, i * 4,
2608 &radeon_cfg_after_resume[i]);
2609
2610 if (radeon_cfg_after_resume[PCI_BASE_ADDRESS_0/4]
2611 == rinfo->cfg_save[PCI_BASE_ADDRESS_0/4])
2612 return 0; /* assume everything is ok */
2613
2614 for (i = PCI_BASE_ADDRESS_0/4; i < 64; ++i) {
2615 if (radeon_cfg_after_resume[i] != rinfo->cfg_save[i])
2616 pci_write_config_dword(rinfo->pdev, i * 4,
2617 rinfo->cfg_save[i]);
2618 }
2619 pci_write_config_word(rinfo->pdev, PCI_CACHE_LINE_SIZE,
2620 rinfo->cfg_save[PCI_CACHE_LINE_SIZE/4]);
2621 pci_write_config_word(rinfo->pdev, PCI_COMMAND,
2622 rinfo->cfg_save[PCI_COMMAND/4]);
2623 return 1;
2624 }
2625
2626
2627 int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
2628 {
2629 struct fb_info *info = pci_get_drvdata(pdev);
2630 struct radeonfb_info *rinfo = info->par;
2631 int i;
2632
2633 if (mesg.event == pdev->dev.power.power_state.event)
2634 return 0;
2635
2636 printk(KERN_DEBUG "radeonfb (%s): suspending for event: %d...\n",
2637 pci_name(pdev), mesg.event);
2638
2639 /* For suspend-to-disk, we cheat here. We don't suspend anything and
2640 * let fbcon continue drawing until we are all set. That shouldn't
2641 * really cause any problem at this point, provided that the wakeup
2642 * code knows that any state in memory may not match the HW
2643 */
2644 switch (mesg.event) {
2645 case PM_EVENT_FREEZE: /* about to take snapshot */
2646 case PM_EVENT_PRETHAW: /* before restoring snapshot */
2647 goto done;
2648 }
2649
2650 acquire_console_sem();
2651
2652 fb_set_suspend(info, 1);
2653
2654 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
2655 /* Make sure engine is reset */
2656 radeon_engine_idle();
2657 radeonfb_engine_reset(rinfo);
2658 radeon_engine_idle();
2659 }
2660
2661 /* Blank display and LCD */
2662 radeon_screen_blank(rinfo, FB_BLANK_POWERDOWN, 1);
2663
2664 /* Sleep */
2665 rinfo->asleep = 1;
2666 rinfo->lock_blank = 1;
2667 del_timer_sync(&rinfo->lvds_timer);
2668
2669 #ifdef CONFIG_PPC_PMAC
2670 /* On powermac, we have hooks to properly suspend/resume AGP now,
2671 * use them here. We'll ultimately need some generic support here,
2672 * but the generic code isn't quite ready for that yet
2673 */
2674 pmac_suspend_agp_for_card(pdev);
2675 #endif /* CONFIG_PPC_PMAC */
2676
2677 /* If we support wakeup from poweroff, we save all regs we can including cfg
2678 * space
2679 */
2680 if (rinfo->pm_mode & radeon_pm_off) {
2681 /* Always disable dynamic clocks or weird things are happening when
2682 * the chip goes off (basically the panel doesn't shut down properly
2683 * and we crash on wakeup),
2684 * also, we want the saved regs context to have no dynamic clocks in
2685 * it, we'll restore the dynamic clocks state on wakeup
2686 */
2687 radeon_pm_disable_dynamic_mode(rinfo);
2688 mdelay(50);
2689 radeon_pm_save_regs(rinfo, 1);
2690
2691 if (rinfo->is_mobility && !(rinfo->pm_mode & radeon_pm_d2)) {
2692 /* Switch off LVDS interface */
2693 mdelay(1);
2694 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_BL_MOD_EN));
2695 mdelay(1);
2696 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_EN | LVDS_ON));
2697 OUTREG(LVDS_PLL_CNTL, (INREG(LVDS_PLL_CNTL) & ~30000) | 0x20000);
2698 mdelay(20);
2699 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_DIGON));
2700 }
2701 // FIXME: Use PCI layer
2702 for (i = 0; i < 64; ++i)
2703 pci_read_config_dword(pdev, i * 4, &rinfo->cfg_save[i]);
2704 pci_disable_device(pdev);
2705 }
2706 /* If we support D2, we go to it (should be fixed later with a flag forcing
2707 * D3 only for some laptops)
2708 */
2709 if (rinfo->pm_mode & radeon_pm_d2)
2710 radeon_set_suspend(rinfo, 1);
2711
2712 release_console_sem();
2713
2714 done:
2715 pdev->dev.power.power_state = mesg;
2716
2717 return 0;
2718 }
2719
2720 int radeonfb_pci_resume(struct pci_dev *pdev)
2721 {
2722 struct fb_info *info = pci_get_drvdata(pdev);
2723 struct radeonfb_info *rinfo = info->par;
2724 int rc = 0;
2725
2726 if (pdev->dev.power.power_state.event == PM_EVENT_ON)
2727 return 0;
2728
2729 if (rinfo->no_schedule) {
2730 if (try_acquire_console_sem())
2731 return 0;
2732 } else
2733 acquire_console_sem();
2734
2735 printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n",
2736 pci_name(pdev), pdev->dev.power.power_state.event);
2737
2738
2739 if (pci_enable_device(pdev)) {
2740 rc = -ENODEV;
2741 printk(KERN_ERR "radeonfb (%s): can't enable PCI device !\n",
2742 pci_name(pdev));
2743 goto bail;
2744 }
2745 pci_set_master(pdev);
2746
2747 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
2748 /* Wakeup chip. Check from config space if we were powered off
2749 * (todo: additionally, check CLK_PIN_CNTL too)
2750 */
2751 if ((rinfo->pm_mode & radeon_pm_off) && radeon_restore_pci_cfg(rinfo)) {
2752 if (rinfo->reinit_func != NULL)
2753 rinfo->reinit_func(rinfo);
2754 else {
2755 printk(KERN_ERR "radeonfb (%s): can't resume radeon from"
2756 " D3 cold, need softboot !", pci_name(pdev));
2757 rc = -EIO;
2758 goto bail;
2759 }
2760 }
2761 /* If we support D2, try to resume... we should check what was our
2762 * state though... (were we really in D2 state ?). Right now, this code
2763 * is only enable on Macs so it's fine.
2764 */
2765 else if (rinfo->pm_mode & radeon_pm_d2)
2766 radeon_set_suspend(rinfo, 0);
2767
2768 rinfo->asleep = 0;
2769 } else
2770 radeon_engine_idle();
2771
2772 /* Restore display & engine */
2773 radeon_write_mode (rinfo, &rinfo->state, 1);
2774 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
2775 radeonfb_engine_init (rinfo);
2776
2777 fb_pan_display(info, &info->var);
2778 fb_set_cmap(&info->cmap, info);
2779
2780 /* Refresh */
2781 fb_set_suspend(info, 0);
2782
2783 /* Unblank */
2784 rinfo->lock_blank = 0;
2785 radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 1);
2786
2787 #ifdef CONFIG_PPC_PMAC
2788 /* On powermac, we have hooks to properly suspend/resume AGP now,
2789 * use them here. We'll ultimately need some generic support here,
2790 * but the generic code isn't quite ready for that yet
2791 */
2792 pmac_resume_agp_for_card(pdev);
2793 #endif /* CONFIG_PPC_PMAC */
2794
2795
2796 /* Check status of dynclk */
2797 if (rinfo->dynclk == 1)
2798 radeon_pm_enable_dynamic_mode(rinfo);
2799 else if (rinfo->dynclk == 0)
2800 radeon_pm_disable_dynamic_mode(rinfo);
2801
2802 pdev->dev.power.power_state = PMSG_ON;
2803
2804 bail:
2805 release_console_sem();
2806
2807 return rc;
2808 }
2809
2810 #ifdef CONFIG_PPC_OF
2811 static void radeonfb_early_resume(void *data)
2812 {
2813 struct radeonfb_info *rinfo = data;
2814
2815 rinfo->no_schedule = 1;
2816 radeonfb_pci_resume(rinfo->pdev);
2817 rinfo->no_schedule = 0;
2818 }
2819 #endif /* CONFIG_PPC_OF */
2820
2821 #endif /* CONFIG_PM */
2822
2823 void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep)
2824 {
2825 /* Find PM registers in config space if any*/
2826 rinfo->pm_reg = pci_find_capability(rinfo->pdev, PCI_CAP_ID_PM);
2827
2828 /* Enable/Disable dynamic clocks: TODO add sysfs access */
2829 rinfo->dynclk = dynclk;
2830 if (dynclk == 1) {
2831 radeon_pm_enable_dynamic_mode(rinfo);
2832 printk("radeonfb: Dynamic Clock Power Management enabled\n");
2833 } else if (dynclk == 0) {
2834 radeon_pm_disable_dynamic_mode(rinfo);
2835 printk("radeonfb: Dynamic Clock Power Management disabled\n");
2836 }
2837
2838 #if defined(CONFIG_PM)
2839 #if defined(CONFIG_PPC_PMAC)
2840 /* Check if we can power manage on suspend/resume. We can do
2841 * D2 on M6, M7 and M9, and we can resume from D3 cold a few other
2842 * "Mac" cards, but that's all. We need more infos about what the
2843 * BIOS does tho. Right now, all this PM stuff is pmac-only for that
2844 * reason. --BenH
2845 */
2846 if (machine_is(powermac) && rinfo->of_node) {
2847 if (rinfo->is_mobility && rinfo->pm_reg &&
2848 rinfo->family <= CHIP_FAMILY_RV250)
2849 rinfo->pm_mode |= radeon_pm_d2;
2850
2851 /* We can restart Jasper (M10 chip in albooks), BlueStone (7500 chip
2852 * in some desktop G4s), Via (M9+ chip on iBook G4) and
2853 * Snowy (M11 chip on iBook G4 manufactured after July 2005)
2854 */
2855 if (!strcmp(rinfo->of_node->name, "ATY,JasperParent") ||
2856 !strcmp(rinfo->of_node->name, "ATY,SnowyParent")) {
2857 rinfo->reinit_func = radeon_reinitialize_M10;
2858 rinfo->pm_mode |= radeon_pm_off;
2859 }
2860 #if 0 /* Not ready yet */
2861 if (!strcmp(rinfo->of_node->name, "ATY,BlueStoneParent")) {
2862 rinfo->reinit_func = radeon_reinitialize_QW;
2863 rinfo->pm_mode |= radeon_pm_off;
2864 }
2865 #endif
2866 if (!strcmp(rinfo->of_node->name, "ATY,ViaParent")) {
2867 rinfo->reinit_func = radeon_reinitialize_M9P;
2868 rinfo->pm_mode |= radeon_pm_off;
2869 }
2870
2871 /* If any of the above is set, we assume the machine can sleep/resume.
2872 * It's a bit of a "shortcut" but will work fine. Ideally, we need infos
2873 * from the platform about what happens to the chip...
2874 * Now we tell the platform about our capability
2875 */
2876 if (rinfo->pm_mode != radeon_pm_none) {
2877 pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, rinfo->of_node, 0, 1);
2878 pmac_set_early_video_resume(radeonfb_early_resume, rinfo);
2879 }
2880
2881 #if 0
2882 /* Power down TV DAC, taht saves a significant amount of power,
2883 * we'll have something better once we actually have some TVOut
2884 * support
2885 */
2886 OUTREG(TV_DAC_CNTL, INREG(TV_DAC_CNTL) | 0x07000000);
2887 #endif
2888 }
2889 #endif /* defined(CONFIG_PPC_PMAC) */
2890 #endif /* defined(CONFIG_PM) */
2891
2892 if (ignore_devlist)
2893 printk(KERN_DEBUG
2894 "radeonfb: skipping test for device workarounds\n");
2895 else
2896 radeon_apply_workarounds(rinfo);
2897
2898 if (force_sleep) {
2899 printk(KERN_DEBUG
2900 "radeonfb: forcefully enabling D2 sleep mode\n");
2901 rinfo->pm_mode |= radeon_pm_d2;
2902 }
2903 }
2904
2905 void radeonfb_pm_exit(struct radeonfb_info *rinfo)
2906 {
2907 #if defined(CONFIG_PM) && defined(CONFIG_PPC_PMAC)
2908 if (rinfo->pm_mode != radeon_pm_none)
2909 pmac_set_early_video_resume(NULL, NULL);
2910 #endif
2911 }
Linux with added FPC-III support