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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * drivers/video/aty/radeon_pm.c | |
4 | * | |
5 | * Copyright 2003,2004 Ben. Herrenschmidt <benh@kernel.crashing.org> | |
6 | * Copyright 2004 Paul Mackerras <paulus@samba.org> | |
7 | * | |
8 | * This is the power management code for ATI radeon chipsets. It contains | |
9 | * some dynamic clock PM enable/disable code similar to what X.org does, | |
10 | * some D2-state (APM-style) sleep/wakeup code for use on some PowerMacs, | |
11 | * and the necessary bits to re-initialize from scratch a few chips found | |
12 | * on PowerMacs as well. The later could be extended to more platforms | |
13 | * provided the memory controller configuration code be made more generic, | |
14 | * and you can get the proper mode register commands for your RAMs. | |
15 | * Those things may be found in the BIOS image... | |
16 | */ | |
17 | ||
18 | #include "radeonfb.h" | |
19 | ||
20 | #include <linux/console.h> | |
21 | #include <linux/agp_backend.h> | |
22 | ||
23 | #ifdef CONFIG_PPC_PMAC | |
e8222502 | 24 | #include <asm/machdep.h> |
1da177e4 LT |
25 | #include <asm/prom.h> |
26 | #include <asm/pmac_feature.h> | |
27 | #endif | |
28 | ||
29 | #include "ati_ids.h" | |
30 | ||
994aad25 VB |
31 | /* |
32 | * Workarounds for bugs in PC laptops: | |
33 | * - enable D2 sleep in some IBM Thinkpads | |
34 | * - special case for Samsung P35 | |
35 | * | |
36 | * Whitelist by subsystem vendor/device because | |
37 | * its the subsystem vendor's fault! | |
38 | */ | |
39 | ||
40 | #if defined(CONFIG_PM) && defined(CONFIG_X86) | |
cc72233c OJ |
41 | static void radeon_reinitialize_M10(struct radeonfb_info *rinfo); |
42 | ||
994aad25 VB |
43 | struct radeon_device_id { |
44 | const char *ident; /* (arbitrary) Name */ | |
45 | const unsigned short subsystem_vendor; /* Subsystem Vendor ID */ | |
46 | const unsigned short subsystem_device; /* Subsystem Device ID */ | |
47 | const enum radeon_pm_mode pm_mode_modifier; /* modify pm_mode */ | |
48 | const reinit_function_ptr new_reinit_func; /* changed reinit_func */ | |
49 | }; | |
50 | ||
51 | #define BUGFIX(model, sv, sd, pm, fn) { \ | |
52 | .ident = model, \ | |
53 | .subsystem_vendor = sv, \ | |
54 | .subsystem_device = sd, \ | |
55 | .pm_mode_modifier = pm, \ | |
56 | .new_reinit_func = fn \ | |
57 | } | |
58 | ||
59 | static struct radeon_device_id radeon_workaround_list[] = { | |
60 | BUGFIX("IBM Thinkpad R32", | |
61 | PCI_VENDOR_ID_IBM, 0x1905, | |
62 | radeon_pm_d2, NULL), | |
63 | BUGFIX("IBM Thinkpad R40", | |
64 | PCI_VENDOR_ID_IBM, 0x0526, | |
65 | radeon_pm_d2, NULL), | |
66 | BUGFIX("IBM Thinkpad R40", | |
67 | PCI_VENDOR_ID_IBM, 0x0527, | |
68 | radeon_pm_d2, NULL), | |
69 | BUGFIX("IBM Thinkpad R50/R51/T40/T41", | |
70 | PCI_VENDOR_ID_IBM, 0x0531, | |
71 | radeon_pm_d2, NULL), | |
72 | BUGFIX("IBM Thinkpad R51/T40/T41/T42", | |
73 | PCI_VENDOR_ID_IBM, 0x0530, | |
74 | radeon_pm_d2, NULL), | |
75 | BUGFIX("IBM Thinkpad T30", | |
76 | PCI_VENDOR_ID_IBM, 0x0517, | |
77 | radeon_pm_d2, NULL), | |
78 | BUGFIX("IBM Thinkpad T40p", | |
79 | PCI_VENDOR_ID_IBM, 0x054d, | |
80 | radeon_pm_d2, NULL), | |
81 | BUGFIX("IBM Thinkpad T42", | |
82 | PCI_VENDOR_ID_IBM, 0x0550, | |
83 | radeon_pm_d2, NULL), | |
84 | BUGFIX("IBM Thinkpad X31/X32", | |
85 | PCI_VENDOR_ID_IBM, 0x052f, | |
86 | radeon_pm_d2, NULL), | |
87 | BUGFIX("Samsung P35", | |
88 | PCI_VENDOR_ID_SAMSUNG, 0xc00c, | |
89 | radeon_pm_off, radeon_reinitialize_M10), | |
f5b747b4 CDH |
90 | BUGFIX("Acer Aspire 2010", |
91 | PCI_VENDOR_ID_AI, 0x0061, | |
92 | radeon_pm_off, radeon_reinitialize_M10), | |
18b41f1c WK |
93 | BUGFIX("Acer Travelmate 290D/292LMi", |
94 | PCI_VENDOR_ID_AI, 0x005a, | |
95 | radeon_pm_off, radeon_reinitialize_M10), | |
994aad25 VB |
96 | { .ident = NULL } |
97 | }; | |
98 | ||
99 | static int radeon_apply_workarounds(struct radeonfb_info *rinfo) | |
100 | { | |
101 | struct radeon_device_id *id; | |
102 | ||
103 | for (id = radeon_workaround_list; id->ident != NULL; id++ ) | |
104 | if ((id->subsystem_vendor == rinfo->pdev->subsystem_vendor ) && | |
105 | (id->subsystem_device == rinfo->pdev->subsystem_device )) { | |
106 | ||
107 | /* we found a device that requires workaround */ | |
108 | printk(KERN_DEBUG "radeonfb: %s detected" | |
109 | ", enabling workaround\n", id->ident); | |
110 | ||
111 | rinfo->pm_mode |= id->pm_mode_modifier; | |
112 | ||
113 | if (id->new_reinit_func != NULL) | |
114 | rinfo->reinit_func = id->new_reinit_func; | |
115 | ||
116 | return 1; | |
117 | } | |
118 | return 0; /* not found */ | |
119 | } | |
120 | ||
121 | #else /* defined(CONFIG_PM) && defined(CONFIG_X86) */ | |
122 | static inline int radeon_apply_workarounds(struct radeonfb_info *rinfo) | |
123 | { | |
124 | return 0; | |
125 | } | |
126 | #endif /* defined(CONFIG_PM) && defined(CONFIG_X86) */ | |
127 | ||
128 | ||
129 | ||
1da177e4 LT |
130 | static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo) |
131 | { | |
132 | u32 tmp; | |
133 | ||
134 | /* RV100 */ | |
135 | if ((rinfo->family == CHIP_FAMILY_RV100) && (!rinfo->is_mobility)) { | |
136 | if (rinfo->has_CRTC2) { | |
137 | tmp = INPLL(pllSCLK_CNTL); | |
138 | tmp &= ~SCLK_CNTL__DYN_STOP_LAT_MASK; | |
139 | tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT | SCLK_CNTL__FORCEON_MASK; | |
140 | OUTPLL(pllSCLK_CNTL, tmp); | |
141 | } | |
142 | tmp = INPLL(pllMCLK_CNTL); | |
143 | tmp |= (MCLK_CNTL__FORCE_MCLKA | | |
144 | MCLK_CNTL__FORCE_MCLKB | | |
145 | MCLK_CNTL__FORCE_YCLKA | | |
146 | MCLK_CNTL__FORCE_YCLKB | | |
147 | MCLK_CNTL__FORCE_AIC | | |
148 | MCLK_CNTL__FORCE_MC); | |
149 | OUTPLL(pllMCLK_CNTL, tmp); | |
150 | return; | |
151 | } | |
152 | /* R100 */ | |
153 | if (!rinfo->has_CRTC2) { | |
154 | tmp = INPLL(pllSCLK_CNTL); | |
155 | tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_HDP | | |
156 | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | | |
157 | SCLK_CNTL__FORCE_E2 | SCLK_CNTL__FORCE_SE | | |
158 | SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_VIP | | |
159 | SCLK_CNTL__FORCE_RE | SCLK_CNTL__FORCE_PB | | |
160 | SCLK_CNTL__FORCE_TAM | SCLK_CNTL__FORCE_TDM | | |
161 | SCLK_CNTL__FORCE_RB); | |
162 | OUTPLL(pllSCLK_CNTL, tmp); | |
163 | return; | |
164 | } | |
14bfd1ff | 165 | /* RV350 (M10/M11) */ |
1da177e4 | 166 | if (rinfo->family == CHIP_FAMILY_RV350) { |
14bfd1ff | 167 | /* for RV350/M10/M11, no delays are required. */ |
1da177e4 LT |
168 | tmp = INPLL(pllSCLK_CNTL2); |
169 | tmp |= (SCLK_CNTL2__R300_FORCE_TCL | | |
170 | SCLK_CNTL2__R300_FORCE_GA | | |
171 | SCLK_CNTL2__R300_FORCE_CBA); | |
172 | OUTPLL(pllSCLK_CNTL2, tmp); | |
173 | ||
174 | tmp = INPLL(pllSCLK_CNTL); | |
175 | tmp |= (SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP | | |
176 | SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | | |
177 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 | | |
178 | SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT | | |
179 | SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR | | |
180 | SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX | | |
181 | SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK | | |
182 | SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0); | |
183 | OUTPLL(pllSCLK_CNTL, tmp); | |
184 | ||
185 | tmp = INPLL(pllSCLK_MORE_CNTL); | |
186 | tmp |= (SCLK_MORE_CNTL__FORCE_DISPREGS | SCLK_MORE_CNTL__FORCE_MC_GUI | | |
187 | SCLK_MORE_CNTL__FORCE_MC_HOST); | |
188 | OUTPLL(pllSCLK_MORE_CNTL, tmp); | |
189 | ||
190 | tmp = INPLL(pllMCLK_CNTL); | |
191 | tmp |= (MCLK_CNTL__FORCE_MCLKA | | |
192 | MCLK_CNTL__FORCE_MCLKB | | |
193 | MCLK_CNTL__FORCE_YCLKA | | |
194 | MCLK_CNTL__FORCE_YCLKB | | |
195 | MCLK_CNTL__FORCE_MC); | |
196 | OUTPLL(pllMCLK_CNTL, tmp); | |
197 | ||
198 | tmp = INPLL(pllVCLK_ECP_CNTL); | |
199 | tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | | |
200 | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb | | |
201 | VCLK_ECP_CNTL__R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF); | |
202 | OUTPLL(pllVCLK_ECP_CNTL, tmp); | |
203 | ||
204 | tmp = INPLL(pllPIXCLKS_CNTL); | |
205 | tmp &= ~(PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | | |
206 | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb | | |
207 | PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | | |
208 | PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb | | |
209 | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb | | |
210 | PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | | |
211 | PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb | | |
212 | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb | | |
213 | PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb | | |
214 | PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb | | |
215 | PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb | | |
216 | PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb | | |
1da177e4 LT |
217 | PIXCLKS_CNTL__R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF); |
218 | OUTPLL(pllPIXCLKS_CNTL, tmp); | |
219 | ||
220 | return; | |
221 | } | |
222 | ||
223 | /* Default */ | |
224 | ||
225 | /* Force Core Clocks */ | |
226 | tmp = INPLL(pllSCLK_CNTL); | |
227 | tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_E2); | |
228 | ||
229 | /* XFree doesn't do that case, but we had this code from Apple and it | |
230 | * seem necessary for proper suspend/resume operations | |
231 | */ | |
232 | if (rinfo->is_mobility) { | |
233 | tmp |= SCLK_CNTL__FORCE_HDP| | |
234 | SCLK_CNTL__FORCE_DISP1| | |
235 | SCLK_CNTL__FORCE_DISP2| | |
236 | SCLK_CNTL__FORCE_TOP| | |
237 | SCLK_CNTL__FORCE_SE| | |
238 | SCLK_CNTL__FORCE_IDCT| | |
239 | SCLK_CNTL__FORCE_VIP| | |
240 | SCLK_CNTL__FORCE_PB| | |
241 | SCLK_CNTL__FORCE_RE| | |
242 | SCLK_CNTL__FORCE_TAM| | |
243 | SCLK_CNTL__FORCE_TDM| | |
244 | SCLK_CNTL__FORCE_RB| | |
245 | SCLK_CNTL__FORCE_TV_SCLK| | |
246 | SCLK_CNTL__FORCE_SUBPIC| | |
247 | SCLK_CNTL__FORCE_OV0; | |
248 | } | |
249 | else if (rinfo->family == CHIP_FAMILY_R300 || | |
250 | rinfo->family == CHIP_FAMILY_R350) { | |
251 | tmp |= SCLK_CNTL__FORCE_HDP | | |
252 | SCLK_CNTL__FORCE_DISP1 | | |
253 | SCLK_CNTL__FORCE_DISP2 | | |
254 | SCLK_CNTL__FORCE_TOP | | |
255 | SCLK_CNTL__FORCE_IDCT | | |
256 | SCLK_CNTL__FORCE_VIP; | |
257 | } | |
258 | OUTPLL(pllSCLK_CNTL, tmp); | |
259 | radeon_msleep(16); | |
260 | ||
261 | if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) { | |
262 | tmp = INPLL(pllSCLK_CNTL2); | |
263 | tmp |= SCLK_CNTL2__R300_FORCE_TCL | | |
264 | SCLK_CNTL2__R300_FORCE_GA | | |
265 | SCLK_CNTL2__R300_FORCE_CBA; | |
266 | OUTPLL(pllSCLK_CNTL2, tmp); | |
267 | radeon_msleep(16); | |
268 | } | |
269 | ||
270 | tmp = INPLL(pllCLK_PIN_CNTL); | |
271 | tmp &= ~CLK_PIN_CNTL__SCLK_DYN_START_CNTL; | |
272 | OUTPLL(pllCLK_PIN_CNTL, tmp); | |
273 | radeon_msleep(15); | |
274 | ||
275 | if (rinfo->is_IGP) { | |
276 | /* Weird ... X is _un_ forcing clocks here, I think it's | |
277 | * doing backward. Imitate it for now... | |
278 | */ | |
279 | tmp = INPLL(pllMCLK_CNTL); | |
280 | tmp &= ~(MCLK_CNTL__FORCE_MCLKA | | |
281 | MCLK_CNTL__FORCE_YCLKA); | |
282 | OUTPLL(pllMCLK_CNTL, tmp); | |
283 | radeon_msleep(16); | |
284 | } | |
285 | /* Hrm... same shit, X doesn't do that but I have to */ | |
286 | else if (rinfo->is_mobility) { | |
287 | tmp = INPLL(pllMCLK_CNTL); | |
288 | tmp |= (MCLK_CNTL__FORCE_MCLKA | | |
289 | MCLK_CNTL__FORCE_MCLKB | | |
290 | MCLK_CNTL__FORCE_YCLKA | | |
291 | MCLK_CNTL__FORCE_YCLKB); | |
292 | OUTPLL(pllMCLK_CNTL, tmp); | |
293 | radeon_msleep(16); | |
294 | ||
295 | tmp = INPLL(pllMCLK_MISC); | |
296 | tmp &= ~(MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT| | |
297 | MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT| | |
298 | MCLK_MISC__MC_MCLK_DYN_ENABLE| | |
299 | MCLK_MISC__IO_MCLK_DYN_ENABLE); | |
300 | OUTPLL(pllMCLK_MISC, tmp); | |
301 | radeon_msleep(15); | |
302 | } | |
303 | ||
304 | if (rinfo->is_mobility) { | |
305 | tmp = INPLL(pllSCLK_MORE_CNTL); | |
306 | tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS| | |
307 | SCLK_MORE_CNTL__FORCE_MC_GUI| | |
308 | SCLK_MORE_CNTL__FORCE_MC_HOST; | |
309 | OUTPLL(pllSCLK_MORE_CNTL, tmp); | |
310 | radeon_msleep(16); | |
311 | } | |
312 | ||
313 | tmp = INPLL(pllPIXCLKS_CNTL); | |
314 | tmp &= ~(PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | | |
315 | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| | |
316 | PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb | | |
317 | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| | |
318 | PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb| | |
319 | PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb| | |
320 | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb); | |
321 | OUTPLL(pllPIXCLKS_CNTL, tmp); | |
322 | radeon_msleep(16); | |
323 | ||
324 | tmp = INPLL( pllVCLK_ECP_CNTL); | |
325 | tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | | |
326 | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); | |
327 | OUTPLL( pllVCLK_ECP_CNTL, tmp); | |
328 | radeon_msleep(16); | |
329 | } | |
330 | ||
331 | static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) | |
332 | { | |
333 | u32 tmp; | |
334 | ||
335 | /* R100 */ | |
336 | if (!rinfo->has_CRTC2) { | |
337 | tmp = INPLL(pllSCLK_CNTL); | |
338 | ||
fe86175b | 339 | if ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13) |
1da177e4 LT |
340 | tmp &= ~(SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_RB); |
341 | tmp &= ~(SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | | |
342 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_SE | | |
343 | SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_RE | | |
344 | SCLK_CNTL__FORCE_PB | SCLK_CNTL__FORCE_TAM | | |
345 | SCLK_CNTL__FORCE_TDM); | |
346 | OUTPLL(pllSCLK_CNTL, tmp); | |
347 | return; | |
348 | } | |
349 | ||
14bfd1ff | 350 | /* M10/M11 */ |
1da177e4 LT |
351 | if (rinfo->family == CHIP_FAMILY_RV350) { |
352 | tmp = INPLL(pllSCLK_CNTL2); | |
353 | tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL | | |
354 | SCLK_CNTL2__R300_FORCE_GA | | |
355 | SCLK_CNTL2__R300_FORCE_CBA); | |
356 | tmp |= (SCLK_CNTL2__R300_TCL_MAX_DYN_STOP_LAT | | |
357 | SCLK_CNTL2__R300_GA_MAX_DYN_STOP_LAT | | |
358 | SCLK_CNTL2__R300_CBA_MAX_DYN_STOP_LAT); | |
359 | OUTPLL(pllSCLK_CNTL2, tmp); | |
360 | ||
361 | tmp = INPLL(pllSCLK_CNTL); | |
362 | tmp &= ~(SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP | | |
363 | SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | | |
364 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 | | |
365 | SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT | | |
366 | SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR | | |
367 | SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX | | |
368 | SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK | | |
369 | SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0); | |
370 | tmp |= SCLK_CNTL__DYN_STOP_LAT_MASK; | |
371 | OUTPLL(pllSCLK_CNTL, tmp); | |
372 | ||
373 | tmp = INPLL(pllSCLK_MORE_CNTL); | |
374 | tmp &= ~SCLK_MORE_CNTL__FORCEON; | |
375 | tmp |= SCLK_MORE_CNTL__DISPREGS_MAX_DYN_STOP_LAT | | |
376 | SCLK_MORE_CNTL__MC_GUI_MAX_DYN_STOP_LAT | | |
377 | SCLK_MORE_CNTL__MC_HOST_MAX_DYN_STOP_LAT; | |
378 | OUTPLL(pllSCLK_MORE_CNTL, tmp); | |
379 | ||
380 | tmp = INPLL(pllVCLK_ECP_CNTL); | |
381 | tmp |= (VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | | |
382 | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); | |
383 | OUTPLL(pllVCLK_ECP_CNTL, tmp); | |
384 | ||
385 | tmp = INPLL(pllPIXCLKS_CNTL); | |
386 | tmp |= (PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | | |
387 | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb | | |
388 | PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | | |
389 | PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb | | |
390 | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb | | |
391 | PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | | |
392 | PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb | | |
393 | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb | | |
394 | PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb | | |
395 | PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb | | |
396 | PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb | | |
397 | PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb | | |
f73323de | 398 | PIXCLKS_CNTL__R300_P2G2CLK_DAC_ALWAYS_ONb); |
1da177e4 LT |
399 | OUTPLL(pllPIXCLKS_CNTL, tmp); |
400 | ||
401 | tmp = INPLL(pllMCLK_MISC); | |
402 | tmp |= (MCLK_MISC__MC_MCLK_DYN_ENABLE | | |
403 | MCLK_MISC__IO_MCLK_DYN_ENABLE); | |
404 | OUTPLL(pllMCLK_MISC, tmp); | |
405 | ||
406 | tmp = INPLL(pllMCLK_CNTL); | |
407 | tmp |= (MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB); | |
408 | tmp &= ~(MCLK_CNTL__FORCE_YCLKA | | |
409 | MCLK_CNTL__FORCE_YCLKB | | |
410 | MCLK_CNTL__FORCE_MC); | |
411 | ||
412 | /* Some releases of vbios have set DISABLE_MC_MCLKA | |
413 | * and DISABLE_MC_MCLKB bits in the vbios table. Setting these | |
414 | * bits will cause H/W hang when reading video memory with dynamic | |
415 | * clocking enabled. | |
416 | */ | |
417 | if ((tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKA) && | |
418 | (tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKB)) { | |
419 | /* If both bits are set, then check the active channels */ | |
420 | tmp = INPLL(pllMCLK_CNTL); | |
421 | if (rinfo->vram_width == 64) { | |
422 | if (INREG(MEM_CNTL) & R300_MEM_USE_CD_CH_ONLY) | |
423 | tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKB; | |
424 | else | |
425 | tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKA; | |
426 | } else { | |
427 | tmp &= ~(MCLK_CNTL__R300_DISABLE_MC_MCLKA | | |
428 | MCLK_CNTL__R300_DISABLE_MC_MCLKB); | |
429 | } | |
430 | } | |
431 | OUTPLL(pllMCLK_CNTL, tmp); | |
432 | return; | |
433 | } | |
434 | ||
435 | /* R300 */ | |
436 | if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) { | |
437 | tmp = INPLL(pllSCLK_CNTL); | |
438 | tmp &= ~(SCLK_CNTL__R300_FORCE_VAP); | |
439 | tmp |= SCLK_CNTL__FORCE_CP; | |
440 | OUTPLL(pllSCLK_CNTL, tmp); | |
441 | radeon_msleep(15); | |
442 | ||
443 | tmp = INPLL(pllSCLK_CNTL2); | |
444 | tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL | | |
445 | SCLK_CNTL2__R300_FORCE_GA | | |
446 | SCLK_CNTL2__R300_FORCE_CBA); | |
447 | OUTPLL(pllSCLK_CNTL2, tmp); | |
448 | } | |
449 | ||
450 | /* Others */ | |
451 | ||
452 | tmp = INPLL( pllCLK_PWRMGT_CNTL); | |
453 | tmp &= ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK| | |
454 | CLK_PWRMGT_CNTL__DISP_DYN_STOP_LAT_MASK| | |
455 | CLK_PWRMGT_CNTL__DYN_STOP_MODE_MASK); | |
456 | tmp |= CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE_MASK | | |
457 | (0x01 << CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT__SHIFT); | |
458 | OUTPLL( pllCLK_PWRMGT_CNTL, tmp); | |
459 | radeon_msleep(15); | |
460 | ||
461 | tmp = INPLL(pllCLK_PIN_CNTL); | |
462 | tmp |= CLK_PIN_CNTL__SCLK_DYN_START_CNTL; | |
463 | OUTPLL(pllCLK_PIN_CNTL, tmp); | |
464 | radeon_msleep(15); | |
465 | ||
466 | /* When DRI is enabled, setting DYN_STOP_LAT to zero can cause some R200 | |
467 | * to lockup randomly, leave them as set by BIOS. | |
468 | */ | |
469 | tmp = INPLL(pllSCLK_CNTL); | |
470 | tmp &= ~SCLK_CNTL__FORCEON_MASK; | |
471 | ||
472 | /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300*/ | |
473 | if ((rinfo->family == CHIP_FAMILY_RV250 && | |
fe86175b | 474 | ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) || |
1da177e4 | 475 | ((rinfo->family == CHIP_FAMILY_RV100) && |
fe86175b | 476 | ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) { |
1da177e4 LT |
477 | tmp |= SCLK_CNTL__FORCE_CP; |
478 | tmp |= SCLK_CNTL__FORCE_VIP; | |
479 | } | |
480 | OUTPLL(pllSCLK_CNTL, tmp); | |
481 | radeon_msleep(15); | |
482 | ||
483 | if ((rinfo->family == CHIP_FAMILY_RV200) || | |
484 | (rinfo->family == CHIP_FAMILY_RV250) || | |
485 | (rinfo->family == CHIP_FAMILY_RV280)) { | |
486 | tmp = INPLL(pllSCLK_MORE_CNTL); | |
487 | tmp &= ~SCLK_MORE_CNTL__FORCEON; | |
488 | ||
489 | /* RV200::A11 A12 RV250::A11 A12 */ | |
490 | if (((rinfo->family == CHIP_FAMILY_RV200) || | |
491 | (rinfo->family == CHIP_FAMILY_RV250)) && | |
fe86175b | 492 | ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) |
1da177e4 LT |
493 | tmp |= SCLK_MORE_CNTL__FORCEON; |
494 | ||
495 | OUTPLL(pllSCLK_MORE_CNTL, tmp); | |
496 | radeon_msleep(15); | |
497 | } | |
498 | ||
499 | ||
500 | /* RV200::A11 A12, RV250::A11 A12 */ | |
501 | if (((rinfo->family == CHIP_FAMILY_RV200) || | |
502 | (rinfo->family == CHIP_FAMILY_RV250)) && | |
fe86175b | 503 | ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) { |
1da177e4 LT |
504 | tmp = INPLL(pllPLL_PWRMGT_CNTL); |
505 | tmp |= PLL_PWRMGT_CNTL__TCL_BYPASS_DISABLE; | |
506 | OUTPLL(pllPLL_PWRMGT_CNTL, tmp); | |
507 | radeon_msleep(15); | |
508 | } | |
509 | ||
510 | tmp = INPLL(pllPIXCLKS_CNTL); | |
511 | tmp |= PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | | |
512 | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb| | |
513 | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| | |
514 | PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb| | |
515 | PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb| | |
516 | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| | |
517 | PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb; | |
518 | OUTPLL(pllPIXCLKS_CNTL, tmp); | |
519 | radeon_msleep(15); | |
520 | ||
521 | tmp = INPLL(pllVCLK_ECP_CNTL); | |
522 | tmp |= VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | | |
523 | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb; | |
524 | OUTPLL(pllVCLK_ECP_CNTL, tmp); | |
525 | ||
526 | /* X doesn't do that ... hrm, we do on mobility && Macs */ | |
758ddd1d | 527 | #ifdef CONFIG_PPC |
1da177e4 LT |
528 | if (rinfo->is_mobility) { |
529 | tmp = INPLL(pllMCLK_CNTL); | |
530 | tmp &= ~(MCLK_CNTL__FORCE_MCLKA | | |
531 | MCLK_CNTL__FORCE_MCLKB | | |
532 | MCLK_CNTL__FORCE_YCLKA | | |
533 | MCLK_CNTL__FORCE_YCLKB); | |
534 | OUTPLL(pllMCLK_CNTL, tmp); | |
535 | radeon_msleep(15); | |
536 | ||
537 | tmp = INPLL(pllMCLK_MISC); | |
538 | tmp |= MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT| | |
539 | MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT| | |
540 | MCLK_MISC__MC_MCLK_DYN_ENABLE| | |
541 | MCLK_MISC__IO_MCLK_DYN_ENABLE; | |
542 | OUTPLL(pllMCLK_MISC, tmp); | |
543 | radeon_msleep(15); | |
544 | } | |
758ddd1d | 545 | #endif /* CONFIG_PPC */ |
1da177e4 LT |
546 | } |
547 | ||
548 | #ifdef CONFIG_PM | |
549 | ||
550 | static void OUTMC( struct radeonfb_info *rinfo, u8 indx, u32 value) | |
551 | { | |
552 | OUTREG( MC_IND_INDEX, indx | MC_IND_INDEX__MC_IND_WR_EN); | |
553 | OUTREG( MC_IND_DATA, value); | |
554 | } | |
555 | ||
556 | static u32 INMC(struct radeonfb_info *rinfo, u8 indx) | |
557 | { | |
558 | OUTREG( MC_IND_INDEX, indx); | |
559 | return INREG( MC_IND_DATA); | |
560 | } | |
561 | ||
562 | static void radeon_pm_save_regs(struct radeonfb_info *rinfo, int saving_for_d3) | |
563 | { | |
564 | rinfo->save_regs[0] = INPLL(PLL_PWRMGT_CNTL); | |
565 | rinfo->save_regs[1] = INPLL(CLK_PWRMGT_CNTL); | |
566 | rinfo->save_regs[2] = INPLL(MCLK_CNTL); | |
567 | rinfo->save_regs[3] = INPLL(SCLK_CNTL); | |
568 | rinfo->save_regs[4] = INPLL(CLK_PIN_CNTL); | |
569 | rinfo->save_regs[5] = INPLL(VCLK_ECP_CNTL); | |
570 | rinfo->save_regs[6] = INPLL(PIXCLKS_CNTL); | |
571 | rinfo->save_regs[7] = INPLL(MCLK_MISC); | |
572 | rinfo->save_regs[8] = INPLL(P2PLL_CNTL); | |
573 | ||
574 | rinfo->save_regs[9] = INREG(DISP_MISC_CNTL); | |
575 | rinfo->save_regs[10] = INREG(DISP_PWR_MAN); | |
576 | rinfo->save_regs[11] = INREG(LVDS_GEN_CNTL); | |
577 | rinfo->save_regs[13] = INREG(TV_DAC_CNTL); | |
578 | rinfo->save_regs[14] = INREG(BUS_CNTL1); | |
579 | rinfo->save_regs[15] = INREG(CRTC_OFFSET_CNTL); | |
580 | rinfo->save_regs[16] = INREG(AGP_CNTL); | |
581 | rinfo->save_regs[17] = (INREG(CRTC_GEN_CNTL) & 0xfdffffff) | 0x04000000; | |
582 | rinfo->save_regs[18] = (INREG(CRTC2_GEN_CNTL) & 0xfdffffff) | 0x04000000; | |
583 | rinfo->save_regs[19] = INREG(GPIOPAD_A); | |
584 | rinfo->save_regs[20] = INREG(GPIOPAD_EN); | |
585 | rinfo->save_regs[21] = INREG(GPIOPAD_MASK); | |
586 | rinfo->save_regs[22] = INREG(ZV_LCDPAD_A); | |
587 | rinfo->save_regs[23] = INREG(ZV_LCDPAD_EN); | |
588 | rinfo->save_regs[24] = INREG(ZV_LCDPAD_MASK); | |
589 | rinfo->save_regs[25] = INREG(GPIO_VGA_DDC); | |
590 | rinfo->save_regs[26] = INREG(GPIO_DVI_DDC); | |
591 | rinfo->save_regs[27] = INREG(GPIO_MONID); | |
592 | rinfo->save_regs[28] = INREG(GPIO_CRT2_DDC); | |
593 | ||
594 | rinfo->save_regs[29] = INREG(SURFACE_CNTL); | |
595 | rinfo->save_regs[30] = INREG(MC_FB_LOCATION); | |
596 | rinfo->save_regs[31] = INREG(DISPLAY_BASE_ADDR); | |
597 | rinfo->save_regs[32] = INREG(MC_AGP_LOCATION); | |
598 | rinfo->save_regs[33] = INREG(CRTC2_DISPLAY_BASE_ADDR); | |
599 | ||
600 | rinfo->save_regs[34] = INPLL(SCLK_MORE_CNTL); | |
601 | rinfo->save_regs[35] = INREG(MEM_SDRAM_MODE_REG); | |
602 | rinfo->save_regs[36] = INREG(BUS_CNTL); | |
603 | rinfo->save_regs[39] = INREG(RBBM_CNTL); | |
604 | rinfo->save_regs[40] = INREG(DAC_CNTL); | |
605 | rinfo->save_regs[41] = INREG(HOST_PATH_CNTL); | |
606 | rinfo->save_regs[37] = INREG(MPP_TB_CONFIG); | |
607 | rinfo->save_regs[38] = INREG(FCP_CNTL); | |
608 | ||
609 | if (rinfo->is_mobility) { | |
610 | rinfo->save_regs[12] = INREG(LVDS_PLL_CNTL); | |
611 | rinfo->save_regs[43] = INPLL(pllSSPLL_CNTL); | |
612 | rinfo->save_regs[44] = INPLL(pllSSPLL_REF_DIV); | |
613 | rinfo->save_regs[45] = INPLL(pllSSPLL_DIV_0); | |
614 | rinfo->save_regs[90] = INPLL(pllSS_INT_CNTL); | |
615 | rinfo->save_regs[91] = INPLL(pllSS_TST_CNTL); | |
616 | rinfo->save_regs[81] = INREG(LVDS_GEN_CNTL); | |
617 | } | |
618 | ||
619 | if (rinfo->family >= CHIP_FAMILY_RV200) { | |
620 | rinfo->save_regs[42] = INREG(MEM_REFRESH_CNTL); | |
621 | rinfo->save_regs[46] = INREG(MC_CNTL); | |
622 | rinfo->save_regs[47] = INREG(MC_INIT_GFX_LAT_TIMER); | |
623 | rinfo->save_regs[48] = INREG(MC_INIT_MISC_LAT_TIMER); | |
624 | rinfo->save_regs[49] = INREG(MC_TIMING_CNTL); | |
625 | rinfo->save_regs[50] = INREG(MC_READ_CNTL_AB); | |
626 | rinfo->save_regs[51] = INREG(MC_IOPAD_CNTL); | |
627 | rinfo->save_regs[52] = INREG(MC_CHIP_IO_OE_CNTL_AB); | |
628 | rinfo->save_regs[53] = INREG(MC_DEBUG); | |
629 | } | |
630 | rinfo->save_regs[54] = INREG(PAMAC0_DLY_CNTL); | |
631 | rinfo->save_regs[55] = INREG(PAMAC1_DLY_CNTL); | |
632 | rinfo->save_regs[56] = INREG(PAD_CTLR_MISC); | |
633 | rinfo->save_regs[57] = INREG(FW_CNTL); | |
634 | ||
635 | if (rinfo->family >= CHIP_FAMILY_R300) { | |
636 | rinfo->save_regs[58] = INMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER); | |
637 | rinfo->save_regs[59] = INMC(rinfo, ixR300_MC_IMP_CNTL); | |
638 | rinfo->save_regs[60] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0); | |
639 | rinfo->save_regs[61] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1); | |
640 | rinfo->save_regs[62] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0); | |
641 | rinfo->save_regs[63] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1); | |
642 | rinfo->save_regs[64] = INMC(rinfo, ixR300_MC_BIST_CNTL_3); | |
643 | rinfo->save_regs[65] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0); | |
644 | rinfo->save_regs[66] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1); | |
645 | rinfo->save_regs[67] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0); | |
646 | rinfo->save_regs[68] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1); | |
647 | rinfo->save_regs[69] = INMC(rinfo, ixR300_MC_DEBUG_CNTL); | |
648 | rinfo->save_regs[70] = INMC(rinfo, ixR300_MC_DLL_CNTL); | |
649 | rinfo->save_regs[71] = INMC(rinfo, ixR300_MC_IMP_CNTL_0); | |
650 | rinfo->save_regs[72] = INMC(rinfo, ixR300_MC_ELPIDA_CNTL); | |
651 | rinfo->save_regs[96] = INMC(rinfo, ixR300_MC_READ_CNTL_CD); | |
652 | } else { | |
653 | rinfo->save_regs[59] = INMC(rinfo, ixMC_IMP_CNTL); | |
654 | rinfo->save_regs[65] = INMC(rinfo, ixMC_CHP_IO_CNTL_A0); | |
655 | rinfo->save_regs[66] = INMC(rinfo, ixMC_CHP_IO_CNTL_A1); | |
656 | rinfo->save_regs[67] = INMC(rinfo, ixMC_CHP_IO_CNTL_B0); | |
657 | rinfo->save_regs[68] = INMC(rinfo, ixMC_CHP_IO_CNTL_B1); | |
658 | rinfo->save_regs[71] = INMC(rinfo, ixMC_IMP_CNTL_0); | |
659 | } | |
660 | ||
661 | rinfo->save_regs[73] = INPLL(pllMPLL_CNTL); | |
662 | rinfo->save_regs[74] = INPLL(pllSPLL_CNTL); | |
663 | rinfo->save_regs[75] = INPLL(pllMPLL_AUX_CNTL); | |
664 | rinfo->save_regs[76] = INPLL(pllSPLL_AUX_CNTL); | |
665 | rinfo->save_regs[77] = INPLL(pllM_SPLL_REF_FB_DIV); | |
666 | rinfo->save_regs[78] = INPLL(pllAGP_PLL_CNTL); | |
667 | rinfo->save_regs[79] = INREG(PAMAC2_DLY_CNTL); | |
668 | ||
669 | rinfo->save_regs[80] = INREG(OV0_BASE_ADDR); | |
670 | rinfo->save_regs[82] = INREG(FP_GEN_CNTL); | |
671 | rinfo->save_regs[83] = INREG(FP2_GEN_CNTL); | |
672 | rinfo->save_regs[84] = INREG(TMDS_CNTL); | |
673 | rinfo->save_regs[85] = INREG(TMDS_TRANSMITTER_CNTL); | |
674 | rinfo->save_regs[86] = INREG(DISP_OUTPUT_CNTL); | |
675 | rinfo->save_regs[87] = INREG(DISP_HW_DEBUG); | |
676 | rinfo->save_regs[88] = INREG(TV_MASTER_CNTL); | |
677 | rinfo->save_regs[89] = INPLL(pllP2PLL_REF_DIV); | |
678 | rinfo->save_regs[92] = INPLL(pllPPLL_DIV_0); | |
679 | rinfo->save_regs[93] = INPLL(pllPPLL_CNTL); | |
680 | rinfo->save_regs[94] = INREG(GRPH_BUFFER_CNTL); | |
681 | rinfo->save_regs[95] = INREG(GRPH2_BUFFER_CNTL); | |
682 | rinfo->save_regs[96] = INREG(HDP_DEBUG); | |
683 | rinfo->save_regs[97] = INPLL(pllMDLL_CKO); | |
684 | rinfo->save_regs[98] = INPLL(pllMDLL_RDCKA); | |
685 | rinfo->save_regs[99] = INPLL(pllMDLL_RDCKB); | |
686 | } | |
687 | ||
688 | static void radeon_pm_restore_regs(struct radeonfb_info *rinfo) | |
689 | { | |
690 | OUTPLL(P2PLL_CNTL, rinfo->save_regs[8] & 0xFFFFFFFE); /* First */ | |
691 | ||
692 | OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]); | |
693 | OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]); | |
694 | OUTPLL(MCLK_CNTL, rinfo->save_regs[2]); | |
695 | OUTPLL(SCLK_CNTL, rinfo->save_regs[3]); | |
696 | OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]); | |
697 | OUTPLL(VCLK_ECP_CNTL, rinfo->save_regs[5]); | |
698 | OUTPLL(PIXCLKS_CNTL, rinfo->save_regs[6]); | |
699 | OUTPLL(MCLK_MISC, rinfo->save_regs[7]); | |
700 | if (rinfo->family == CHIP_FAMILY_RV350) | |
701 | OUTPLL(SCLK_MORE_CNTL, rinfo->save_regs[34]); | |
702 | ||
703 | OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); | |
704 | OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); | |
705 | OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); | |
706 | OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); | |
707 | OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); | |
fe86175b | 708 | OUTREG(CNFG_MEMSIZE, rinfo->video_ram); |
1da177e4 LT |
709 | |
710 | OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); | |
711 | OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]); | |
712 | OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11]); | |
713 | OUTREG(LVDS_PLL_CNTL,rinfo->save_regs[12]); | |
714 | OUTREG(TV_DAC_CNTL, rinfo->save_regs[13]); | |
715 | OUTREG(BUS_CNTL1, rinfo->save_regs[14]); | |
716 | OUTREG(CRTC_OFFSET_CNTL, rinfo->save_regs[15]); | |
717 | OUTREG(AGP_CNTL, rinfo->save_regs[16]); | |
718 | OUTREG(CRTC_GEN_CNTL, rinfo->save_regs[17]); | |
719 | OUTREG(CRTC2_GEN_CNTL, rinfo->save_regs[18]); | |
720 | OUTPLL(P2PLL_CNTL, rinfo->save_regs[8]); | |
721 | ||
722 | OUTREG(GPIOPAD_A, rinfo->save_regs[19]); | |
723 | OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); | |
724 | OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); | |
725 | OUTREG(ZV_LCDPAD_A, rinfo->save_regs[22]); | |
726 | OUTREG(ZV_LCDPAD_EN, rinfo->save_regs[23]); | |
727 | OUTREG(ZV_LCDPAD_MASK, rinfo->save_regs[24]); | |
728 | OUTREG(GPIO_VGA_DDC, rinfo->save_regs[25]); | |
729 | OUTREG(GPIO_DVI_DDC, rinfo->save_regs[26]); | |
730 | OUTREG(GPIO_MONID, rinfo->save_regs[27]); | |
731 | OUTREG(GPIO_CRT2_DDC, rinfo->save_regs[28]); | |
732 | } | |
733 | ||
734 | static void radeon_pm_disable_iopad(struct radeonfb_info *rinfo) | |
735 | { | |
736 | OUTREG(GPIOPAD_MASK, 0x0001ffff); | |
737 | OUTREG(GPIOPAD_EN, 0x00000400); | |
738 | OUTREG(GPIOPAD_A, 0x00000000); | |
739 | OUTREG(ZV_LCDPAD_MASK, 0x00000000); | |
740 | OUTREG(ZV_LCDPAD_EN, 0x00000000); | |
741 | OUTREG(ZV_LCDPAD_A, 0x00000000); | |
742 | OUTREG(GPIO_VGA_DDC, 0x00030000); | |
743 | OUTREG(GPIO_DVI_DDC, 0x00000000); | |
744 | OUTREG(GPIO_MONID, 0x00030000); | |
745 | OUTREG(GPIO_CRT2_DDC, 0x00000000); | |
746 | } | |
747 | ||
748 | static void radeon_pm_program_v2clk(struct radeonfb_info *rinfo) | |
749 | { | |
750 | /* Set v2clk to 65MHz */ | |
751 | if (rinfo->family <= CHIP_FAMILY_RV280) { | |
752 | OUTPLL(pllPIXCLKS_CNTL, | |
753 | __INPLL(rinfo, pllPIXCLKS_CNTL) | |
754 | & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK); | |
755 | ||
756 | OUTPLL(pllP2PLL_REF_DIV, 0x0000000c); | |
757 | OUTPLL(pllP2PLL_CNTL, 0x0000bf00); | |
758 | } else { | |
759 | OUTPLL(pllP2PLL_REF_DIV, 0x0000000c); | |
760 | INPLL(pllP2PLL_REF_DIV); | |
761 | OUTPLL(pllP2PLL_CNTL, 0x0000a700); | |
762 | } | |
763 | ||
764 | OUTPLL(pllP2PLL_DIV_0, 0x00020074 | P2PLL_DIV_0__P2PLL_ATOMIC_UPDATE_W); | |
765 | ||
766 | OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_SLEEP); | |
767 | mdelay(1); | |
768 | ||
769 | OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_RESET); | |
770 | mdelay( 1); | |
771 | ||
772 | OUTPLL(pllPIXCLKS_CNTL, | |
773 | (INPLL(pllPIXCLKS_CNTL) & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK) | |
774 | | (0x03 << PIXCLKS_CNTL__PIX2CLK_SRC_SEL__SHIFT)); | |
775 | mdelay( 1); | |
776 | } | |
777 | ||
778 | static void radeon_pm_low_current(struct radeonfb_info *rinfo) | |
779 | { | |
780 | u32 reg; | |
781 | ||
782 | reg = INREG(BUS_CNTL1); | |
783 | if (rinfo->family <= CHIP_FAMILY_RV280) { | |
784 | reg &= ~BUS_CNTL1_MOBILE_PLATFORM_SEL_MASK; | |
785 | reg |= BUS_CNTL1_AGPCLK_VALID | (1<<BUS_CNTL1_MOBILE_PLATFORM_SEL_SHIFT); | |
786 | } else { | |
787 | reg |= 0x4080; | |
788 | } | |
789 | OUTREG(BUS_CNTL1, reg); | |
790 | ||
791 | reg = INPLL(PLL_PWRMGT_CNTL); | |
792 | reg |= PLL_PWRMGT_CNTL_SPLL_TURNOFF | PLL_PWRMGT_CNTL_PPLL_TURNOFF | | |
793 | PLL_PWRMGT_CNTL_P2PLL_TURNOFF | PLL_PWRMGT_CNTL_TVPLL_TURNOFF; | |
794 | reg &= ~PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK; | |
795 | reg &= ~PLL_PWRMGT_CNTL_MOBILE_SU; | |
796 | OUTPLL(PLL_PWRMGT_CNTL, reg); | |
797 | ||
798 | reg = INREG(TV_DAC_CNTL); | |
799 | reg &= ~(TV_DAC_CNTL_BGADJ_MASK |TV_DAC_CNTL_DACADJ_MASK); | |
800 | reg |=TV_DAC_CNTL_BGSLEEP | TV_DAC_CNTL_RDACPD | TV_DAC_CNTL_GDACPD | | |
801 | TV_DAC_CNTL_BDACPD | | |
802 | (8<<TV_DAC_CNTL_BGADJ__SHIFT) | (8<<TV_DAC_CNTL_DACADJ__SHIFT); | |
803 | OUTREG(TV_DAC_CNTL, reg); | |
804 | ||
805 | reg = INREG(TMDS_TRANSMITTER_CNTL); | |
806 | reg &= ~(TMDS_PLL_EN | TMDS_PLLRST); | |
807 | OUTREG(TMDS_TRANSMITTER_CNTL, reg); | |
808 | ||
809 | reg = INREG(DAC_CNTL); | |
810 | reg &= ~DAC_CMP_EN; | |
811 | OUTREG(DAC_CNTL, reg); | |
812 | ||
813 | reg = INREG(DAC_CNTL2); | |
814 | reg &= ~DAC2_CMP_EN; | |
815 | OUTREG(DAC_CNTL2, reg); | |
816 | ||
817 | reg = INREG(TV_DAC_CNTL); | |
818 | reg &= ~TV_DAC_CNTL_DETECT; | |
819 | OUTREG(TV_DAC_CNTL, reg); | |
820 | } | |
821 | ||
822 | static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo) | |
823 | { | |
824 | ||
825 | u32 sclk_cntl, mclk_cntl, sclk_more_cntl; | |
826 | ||
827 | u32 pll_pwrmgt_cntl; | |
828 | u32 clk_pwrmgt_cntl; | |
829 | u32 clk_pin_cntl; | |
830 | u32 vclk_ecp_cntl; | |
831 | u32 pixclks_cntl; | |
832 | u32 disp_mis_cntl; | |
833 | u32 disp_pwr_man; | |
834 | u32 tmp; | |
835 | ||
836 | /* Force Core Clocks */ | |
837 | sclk_cntl = INPLL( pllSCLK_CNTL); | |
838 | sclk_cntl |= SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT| | |
839 | SCLK_CNTL__VIP_MAX_DYN_STOP_LAT| | |
840 | SCLK_CNTL__RE_MAX_DYN_STOP_LAT| | |
841 | SCLK_CNTL__PB_MAX_DYN_STOP_LAT| | |
842 | SCLK_CNTL__TAM_MAX_DYN_STOP_LAT| | |
843 | SCLK_CNTL__TDM_MAX_DYN_STOP_LAT| | |
844 | SCLK_CNTL__RB_MAX_DYN_STOP_LAT| | |
845 | ||
846 | SCLK_CNTL__FORCE_DISP2| | |
847 | SCLK_CNTL__FORCE_CP| | |
848 | SCLK_CNTL__FORCE_HDP| | |
849 | SCLK_CNTL__FORCE_DISP1| | |
850 | SCLK_CNTL__FORCE_TOP| | |
851 | SCLK_CNTL__FORCE_E2| | |
852 | SCLK_CNTL__FORCE_SE| | |
853 | SCLK_CNTL__FORCE_IDCT| | |
854 | SCLK_CNTL__FORCE_VIP| | |
855 | ||
856 | SCLK_CNTL__FORCE_PB| | |
857 | SCLK_CNTL__FORCE_TAM| | |
858 | SCLK_CNTL__FORCE_TDM| | |
859 | SCLK_CNTL__FORCE_RB| | |
860 | SCLK_CNTL__FORCE_TV_SCLK| | |
861 | SCLK_CNTL__FORCE_SUBPIC| | |
862 | SCLK_CNTL__FORCE_OV0; | |
863 | if (rinfo->family <= CHIP_FAMILY_RV280) | |
864 | sclk_cntl |= SCLK_CNTL__FORCE_RE; | |
865 | else | |
866 | sclk_cntl |= SCLK_CNTL__SE_MAX_DYN_STOP_LAT | | |
867 | SCLK_CNTL__E2_MAX_DYN_STOP_LAT | | |
868 | SCLK_CNTL__TV_MAX_DYN_STOP_LAT | | |
869 | SCLK_CNTL__HDP_MAX_DYN_STOP_LAT | | |
870 | SCLK_CNTL__CP_MAX_DYN_STOP_LAT; | |
871 | ||
872 | OUTPLL( pllSCLK_CNTL, sclk_cntl); | |
873 | ||
874 | sclk_more_cntl = INPLL(pllSCLK_MORE_CNTL); | |
875 | sclk_more_cntl |= SCLK_MORE_CNTL__FORCE_DISPREGS | | |
876 | SCLK_MORE_CNTL__FORCE_MC_GUI | | |
877 | SCLK_MORE_CNTL__FORCE_MC_HOST; | |
878 | ||
879 | OUTPLL(pllSCLK_MORE_CNTL, sclk_more_cntl); | |
880 | ||
881 | ||
882 | mclk_cntl = INPLL( pllMCLK_CNTL); | |
883 | mclk_cntl &= ~( MCLK_CNTL__FORCE_MCLKA | | |
884 | MCLK_CNTL__FORCE_MCLKB | | |
885 | MCLK_CNTL__FORCE_YCLKA | | |
886 | MCLK_CNTL__FORCE_YCLKB | | |
887 | MCLK_CNTL__FORCE_MC | |
888 | ); | |
889 | OUTPLL( pllMCLK_CNTL, mclk_cntl); | |
890 | ||
891 | /* Force Display clocks */ | |
892 | vclk_ecp_cntl = INPLL( pllVCLK_ECP_CNTL); | |
893 | vclk_ecp_cntl &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | |
894 | | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); | |
895 | vclk_ecp_cntl |= VCLK_ECP_CNTL__ECP_FORCE_ON; | |
896 | OUTPLL( pllVCLK_ECP_CNTL, vclk_ecp_cntl); | |
897 | ||
898 | ||
899 | pixclks_cntl = INPLL( pllPIXCLKS_CNTL); | |
900 | pixclks_cntl &= ~( PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | | |
901 | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| | |
902 | PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb | | |
903 | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| | |
904 | PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb| | |
905 | PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb| | |
906 | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb); | |
907 | ||
908 | OUTPLL( pllPIXCLKS_CNTL, pixclks_cntl); | |
909 | ||
910 | /* Switch off LVDS interface */ | |
911 | OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & | |
912 | ~(LVDS_BLON | LVDS_EN | LVDS_ON | LVDS_DIGON)); | |
913 | ||
914 | /* Enable System power management */ | |
915 | pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL); | |
916 | ||
917 | pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__SPLL_TURNOFF | | |
918 | PLL_PWRMGT_CNTL__MPLL_TURNOFF| | |
919 | PLL_PWRMGT_CNTL__PPLL_TURNOFF| | |
920 | PLL_PWRMGT_CNTL__P2PLL_TURNOFF| | |
921 | PLL_PWRMGT_CNTL__TVPLL_TURNOFF; | |
922 | ||
923 | OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl); | |
924 | ||
925 | clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL); | |
926 | ||
927 | clk_pwrmgt_cntl &= ~( CLK_PWRMGT_CNTL__MPLL_PWRMGT_OFF| | |
928 | CLK_PWRMGT_CNTL__SPLL_PWRMGT_OFF| | |
929 | CLK_PWRMGT_CNTL__PPLL_PWRMGT_OFF| | |
930 | CLK_PWRMGT_CNTL__P2PLL_PWRMGT_OFF| | |
931 | CLK_PWRMGT_CNTL__MCLK_TURNOFF| | |
932 | CLK_PWRMGT_CNTL__SCLK_TURNOFF| | |
933 | CLK_PWRMGT_CNTL__PCLK_TURNOFF| | |
934 | CLK_PWRMGT_CNTL__P2CLK_TURNOFF| | |
935 | CLK_PWRMGT_CNTL__TVPLL_PWRMGT_OFF| | |
936 | CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN| | |
937 | CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE| | |
938 | CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK| | |
939 | CLK_PWRMGT_CNTL__CG_NO1_DEBUG_MASK | |
940 | ); | |
941 | ||
942 | clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN | |
943 | | CLK_PWRMGT_CNTL__DISP_PM; | |
944 | ||
945 | OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl); | |
946 | ||
947 | clk_pin_cntl = INPLL( pllCLK_PIN_CNTL); | |
948 | ||
949 | clk_pin_cntl &= ~CLK_PIN_CNTL__ACCESS_REGS_IN_SUSPEND; | |
950 | ||
951 | /* because both INPLL and OUTPLL take the same lock, that's why. */ | |
952 | tmp = INPLL( pllMCLK_MISC) | MCLK_MISC__EN_MCLK_TRISTATE_IN_SUSPEND; | |
953 | OUTPLL( pllMCLK_MISC, tmp); | |
1da177e4 | 954 | |
994aad25 VB |
955 | /* BUS_CNTL1__MOBILE_PLATORM_SEL setting is northbridge chipset |
956 | * and radeon chip dependent. Thus we only enable it on Mac for | |
957 | * now (until we get more info on how to compute the correct | |
958 | * value for various X86 bridges). | |
959 | */ | |
960 | #ifdef CONFIG_PPC_PMAC | |
961 | if (machine_is(powermac)) { | |
962 | /* AGP PLL control */ | |
963 | if (rinfo->family <= CHIP_FAMILY_RV280) { | |
964 | OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) | BUS_CNTL1__AGPCLK_VALID); | |
965 | OUTREG(BUS_CNTL1, | |
966 | (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK) | |
967 | | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT)); // 440BX | |
968 | } else { | |
969 | OUTREG(BUS_CNTL1, INREG(BUS_CNTL1)); | |
970 | OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000); | |
971 | } | |
1da177e4 | 972 | } |
994aad25 | 973 | #endif |
1da177e4 LT |
974 | |
975 | OUTREG(CRTC_OFFSET_CNTL, (INREG(CRTC_OFFSET_CNTL) | |
976 | & ~CRTC_OFFSET_CNTL__CRTC_STEREO_SYNC_OUT_EN)); | |
977 | ||
978 | clk_pin_cntl &= ~CLK_PIN_CNTL__CG_CLK_TO_OUTPIN; | |
979 | clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb; | |
980 | OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl); | |
981 | ||
982 | /* Solano2M */ | |
983 | OUTREG(AGP_CNTL, | |
984 | (INREG(AGP_CNTL) & ~(AGP_CNTL__MAX_IDLE_CLK_MASK)) | |
985 | | (0x20<<AGP_CNTL__MAX_IDLE_CLK__SHIFT)); | |
986 | ||
987 | /* ACPI mode */ | |
988 | /* because both INPLL and OUTPLL take the same lock, that's why. */ | |
989 | tmp = INPLL( pllPLL_PWRMGT_CNTL) & ~PLL_PWRMGT_CNTL__PM_MODE_SEL; | |
990 | OUTPLL( pllPLL_PWRMGT_CNTL, tmp); | |
991 | ||
992 | ||
993 | disp_mis_cntl = INREG(DISP_MISC_CNTL); | |
994 | ||
995 | disp_mis_cntl &= ~( DISP_MISC_CNTL__SOFT_RESET_GRPH_PP | | |
996 | DISP_MISC_CNTL__SOFT_RESET_SUBPIC_PP | | |
997 | DISP_MISC_CNTL__SOFT_RESET_OV0_PP | | |
998 | DISP_MISC_CNTL__SOFT_RESET_GRPH_SCLK| | |
999 | DISP_MISC_CNTL__SOFT_RESET_SUBPIC_SCLK| | |
1000 | DISP_MISC_CNTL__SOFT_RESET_OV0_SCLK| | |
1001 | DISP_MISC_CNTL__SOFT_RESET_GRPH2_PP| | |
1002 | DISP_MISC_CNTL__SOFT_RESET_GRPH2_SCLK| | |
1003 | DISP_MISC_CNTL__SOFT_RESET_LVDS| | |
1004 | DISP_MISC_CNTL__SOFT_RESET_TMDS| | |
1005 | DISP_MISC_CNTL__SOFT_RESET_DIG_TMDS| | |
1006 | DISP_MISC_CNTL__SOFT_RESET_TV); | |
1007 | ||
1008 | OUTREG(DISP_MISC_CNTL, disp_mis_cntl); | |
1009 | ||
1010 | disp_pwr_man = INREG(DISP_PWR_MAN); | |
1011 | ||
1012 | disp_pwr_man &= ~( DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN | | |
1013 | DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN | | |
1014 | DISP_PWR_MAN__DISP_PWR_MAN_DPMS_MASK| | |
1015 | DISP_PWR_MAN__DISP_D3_RST| | |
1016 | DISP_PWR_MAN__DISP_D3_REG_RST | |
1017 | ); | |
1018 | ||
1019 | disp_pwr_man |= DISP_PWR_MAN__DISP_D3_GRPH_RST| | |
1020 | DISP_PWR_MAN__DISP_D3_SUBPIC_RST| | |
1021 | DISP_PWR_MAN__DISP_D3_OV0_RST| | |
1022 | DISP_PWR_MAN__DISP_D1D2_GRPH_RST| | |
1023 | DISP_PWR_MAN__DISP_D1D2_SUBPIC_RST| | |
1024 | DISP_PWR_MAN__DISP_D1D2_OV0_RST| | |
1025 | DISP_PWR_MAN__DIG_TMDS_ENABLE_RST| | |
1026 | DISP_PWR_MAN__TV_ENABLE_RST| | |
1027 | // DISP_PWR_MAN__AUTO_PWRUP_EN| | |
1028 | 0; | |
1029 | ||
1030 | OUTREG(DISP_PWR_MAN, disp_pwr_man); | |
1031 | ||
1032 | clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL); | |
1033 | pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL) ; | |
1034 | clk_pin_cntl = INPLL( pllCLK_PIN_CNTL); | |
1035 | disp_pwr_man = INREG(DISP_PWR_MAN); | |
1036 | ||
1037 | ||
1038 | /* D2 */ | |
1039 | clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__DISP_PM; | |
1040 | pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__MOBILE_SU | PLL_PWRMGT_CNTL__SU_SCLK_USE_BCLK; | |
1041 | clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb; | |
1042 | disp_pwr_man &= ~(DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN_MASK | |
1043 | | DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN_MASK); | |
1044 | ||
1045 | OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl); | |
1046 | OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl); | |
1047 | OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl); | |
1048 | OUTREG(DISP_PWR_MAN, disp_pwr_man); | |
1049 | ||
1050 | /* disable display request & disable display */ | |
1051 | OUTREG( CRTC_GEN_CNTL, (INREG( CRTC_GEN_CNTL) & ~CRTC_GEN_CNTL__CRTC_EN) | |
1052 | | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B); | |
1053 | OUTREG( CRTC2_GEN_CNTL, (INREG( CRTC2_GEN_CNTL) & ~CRTC2_GEN_CNTL__CRTC2_EN) | |
1054 | | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B); | |
1055 | ||
1056 | mdelay(17); | |
1057 | ||
1058 | } | |
1059 | ||
1060 | static void radeon_pm_yclk_mclk_sync(struct radeonfb_info *rinfo) | |
1061 | { | |
1062 | u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1; | |
1063 | ||
1064 | mc_chp_io_cntl_a1 = INMC( rinfo, ixMC_CHP_IO_CNTL_A1) | |
1065 | & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK; | |
1066 | mc_chp_io_cntl_b1 = INMC( rinfo, ixMC_CHP_IO_CNTL_B1) | |
1067 | & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK; | |
1068 | ||
1069 | OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1 | |
1070 | | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT)); | |
1071 | OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1 | |
1072 | | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT)); | |
1073 | ||
1074 | OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1); | |
1075 | OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1); | |
1076 | ||
1077 | mdelay( 1); | |
1078 | } | |
1079 | ||
1080 | static void radeon_pm_yclk_mclk_sync_m10(struct radeonfb_info *rinfo) | |
1081 | { | |
1082 | u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1; | |
1083 | ||
1084 | mc_chp_io_cntl_a1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1) | |
1085 | & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK; | |
1086 | mc_chp_io_cntl_b1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1) | |
1087 | & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK; | |
1088 | ||
1089 | OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1, | |
1090 | mc_chp_io_cntl_a1 | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT)); | |
1091 | OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1, | |
1092 | mc_chp_io_cntl_b1 | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT)); | |
1093 | ||
1094 | OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1); | |
1095 | OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1); | |
1096 | ||
1097 | mdelay( 1); | |
1098 | } | |
1099 | ||
1100 | static void radeon_pm_program_mode_reg(struct radeonfb_info *rinfo, u16 value, | |
1101 | u8 delay_required) | |
1102 | { | |
1103 | u32 mem_sdram_mode; | |
1104 | ||
1105 | mem_sdram_mode = INREG( MEM_SDRAM_MODE_REG); | |
1106 | ||
1107 | mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK; | |
1108 | mem_sdram_mode |= (value<<MEM_SDRAM_MODE_REG__MEM_MODE_REG__SHIFT) | |
1109 | | MEM_SDRAM_MODE_REG__MEM_CFG_TYPE; | |
1110 | OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); | |
1111 | if (delay_required >= 2) | |
1112 | mdelay(1); | |
1113 | ||
1114 | mem_sdram_mode |= MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET; | |
1115 | OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); | |
1116 | if (delay_required >= 2) | |
1117 | mdelay(1); | |
1118 | ||
1119 | mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET; | |
1120 | OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); | |
1121 | if (delay_required >= 2) | |
1122 | mdelay(1); | |
1123 | ||
1124 | if (delay_required) { | |
1125 | do { | |
1126 | if (delay_required >= 2) | |
1127 | mdelay(1); | |
1128 | } while ((INREG(MC_STATUS) | |
1129 | & (MC_STATUS__MEM_PWRUP_COMPL_A | | |
1130 | MC_STATUS__MEM_PWRUP_COMPL_B)) == 0); | |
1131 | } | |
1132 | } | |
1133 | ||
1134 | static void radeon_pm_m10_program_mode_wait(struct radeonfb_info *rinfo) | |
1135 | { | |
1136 | int cnt; | |
1137 | ||
1138 | for (cnt = 0; cnt < 100; ++cnt) { | |
1139 | mdelay(1); | |
1140 | if (INREG(MC_STATUS) & (MC_STATUS__MEM_PWRUP_COMPL_A | |
1141 | | MC_STATUS__MEM_PWRUP_COMPL_B)) | |
1142 | break; | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | ||
1147 | static void radeon_pm_enable_dll(struct radeonfb_info *rinfo) | |
1148 | { | |
1149 | #define DLL_RESET_DELAY 5 | |
1150 | #define DLL_SLEEP_DELAY 1 | |
1151 | ||
1152 | u32 cko = INPLL(pllMDLL_CKO) | MDLL_CKO__MCKOA_SLEEP | |
1153 | | MDLL_CKO__MCKOA_RESET; | |
1154 | u32 cka = INPLL(pllMDLL_RDCKA) | MDLL_RDCKA__MRDCKA0_SLEEP | |
1155 | | MDLL_RDCKA__MRDCKA1_SLEEP | MDLL_RDCKA__MRDCKA0_RESET | |
1156 | | MDLL_RDCKA__MRDCKA1_RESET; | |
1157 | u32 ckb = INPLL(pllMDLL_RDCKB) | MDLL_RDCKB__MRDCKB0_SLEEP | |
1158 | | MDLL_RDCKB__MRDCKB1_SLEEP | MDLL_RDCKB__MRDCKB0_RESET | |
1159 | | MDLL_RDCKB__MRDCKB1_RESET; | |
1160 | ||
1161 | /* Setting up the DLL range for write */ | |
1162 | OUTPLL(pllMDLL_CKO, cko); | |
1163 | OUTPLL(pllMDLL_RDCKA, cka); | |
1164 | OUTPLL(pllMDLL_RDCKB, ckb); | |
1165 | ||
1166 | mdelay(DLL_RESET_DELAY*2); | |
1167 | ||
1168 | cko &= ~(MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOB_SLEEP); | |
1169 | OUTPLL(pllMDLL_CKO, cko); | |
1170 | mdelay(DLL_SLEEP_DELAY); | |
1171 | cko &= ~(MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET); | |
1172 | OUTPLL(pllMDLL_CKO, cko); | |
1173 | mdelay(DLL_RESET_DELAY); | |
1174 | ||
1175 | cka &= ~(MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP); | |
1176 | OUTPLL(pllMDLL_RDCKA, cka); | |
1177 | mdelay(DLL_SLEEP_DELAY); | |
1178 | cka &= ~(MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET); | |
1179 | OUTPLL(pllMDLL_RDCKA, cka); | |
1180 | mdelay(DLL_RESET_DELAY); | |
1181 | ||
1182 | ckb &= ~(MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP); | |
1183 | OUTPLL(pllMDLL_RDCKB, ckb); | |
1184 | mdelay(DLL_SLEEP_DELAY); | |
1185 | ckb &= ~(MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET); | |
1186 | OUTPLL(pllMDLL_RDCKB, ckb); | |
1187 | mdelay(DLL_RESET_DELAY); | |
1188 | ||
1189 | ||
1190 | #undef DLL_RESET_DELAY | |
1191 | #undef DLL_SLEEP_DELAY | |
1192 | } | |
1193 | ||
1194 | static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo) | |
1195 | { | |
1196 | u32 dll_value; | |
1197 | u32 dll_sleep_mask = 0; | |
1198 | u32 dll_reset_mask = 0; | |
1199 | u32 mc; | |
1200 | ||
1201 | #define DLL_RESET_DELAY 5 | |
1202 | #define DLL_SLEEP_DELAY 1 | |
1203 | ||
1204 | OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); | |
1205 | mc = INREG(MC_CNTL); | |
1206 | /* Check which channels are enabled */ | |
1207 | switch (mc & 0x3) { | |
1208 | case 1: | |
1209 | if (mc & 0x4) | |
1210 | break; | |
1211 | case 2: | |
1212 | dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP; | |
1213 | dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET; | |
1214 | case 0: | |
1215 | dll_sleep_mask |= MDLL_R300_RDCK__MRDCKA_SLEEP; | |
1216 | dll_reset_mask |= MDLL_R300_RDCK__MRDCKA_RESET; | |
1217 | } | |
1218 | switch (mc & 0x3) { | |
1219 | case 1: | |
1220 | if (!(mc & 0x4)) | |
1221 | break; | |
1222 | case 2: | |
1223 | dll_sleep_mask |= MDLL_R300_RDCK__MRDCKD_SLEEP; | |
1224 | dll_reset_mask |= MDLL_R300_RDCK__MRDCKD_RESET; | |
1225 | dll_sleep_mask |= MDLL_R300_RDCK__MRDCKC_SLEEP; | |
1226 | dll_reset_mask |= MDLL_R300_RDCK__MRDCKC_RESET; | |
1227 | } | |
1228 | ||
1229 | dll_value = INPLL(pllMDLL_RDCKA); | |
1230 | ||
1231 | /* Power Up */ | |
1232 | dll_value &= ~(dll_sleep_mask); | |
1233 | OUTPLL(pllMDLL_RDCKA, dll_value); | |
1234 | mdelay( DLL_SLEEP_DELAY); | |
1235 | ||
1236 | dll_value &= ~(dll_reset_mask); | |
1237 | OUTPLL(pllMDLL_RDCKA, dll_value); | |
1238 | mdelay( DLL_RESET_DELAY); | |
1239 | ||
1240 | #undef DLL_RESET_DELAY | |
1241 | #undef DLL_SLEEP_DELAY | |
1242 | } | |
1243 | ||
1244 | ||
1245 | static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo) | |
1246 | { | |
1247 | u32 crtcGenCntl, crtcGenCntl2, memRefreshCntl, crtc_more_cntl, | |
1248 | fp_gen_cntl, fp2_gen_cntl; | |
1249 | ||
1250 | crtcGenCntl = INREG( CRTC_GEN_CNTL); | |
1251 | crtcGenCntl2 = INREG( CRTC2_GEN_CNTL); | |
1252 | ||
1253 | crtc_more_cntl = INREG( CRTC_MORE_CNTL); | |
1254 | fp_gen_cntl = INREG( FP_GEN_CNTL); | |
1255 | fp2_gen_cntl = INREG( FP2_GEN_CNTL); | |
1256 | ||
1257 | ||
1258 | OUTREG( CRTC_MORE_CNTL, 0); | |
1259 | OUTREG( FP_GEN_CNTL, 0); | |
1260 | OUTREG( FP2_GEN_CNTL,0); | |
1261 | ||
1262 | OUTREG( CRTC_GEN_CNTL, (crtcGenCntl | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B) ); | |
1263 | OUTREG( CRTC2_GEN_CNTL, (crtcGenCntl2 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B) ); | |
1264 | ||
14bfd1ff | 1265 | /* This is the code for the Aluminium PowerBooks M10 / iBooks M11 */ |
1da177e4 LT |
1266 | if (rinfo->family == CHIP_FAMILY_RV350) { |
1267 | u32 sdram_mode_reg = rinfo->save_regs[35]; | |
a7edd0e6 | 1268 | static const u32 default_mrtable[] = |
1da177e4 LT |
1269 | { 0x21320032, |
1270 | 0x21321000, 0xa1321000, 0x21321000, 0xffffffff, | |
1271 | 0x21320032, 0xa1320032, 0x21320032, 0xffffffff, | |
1272 | 0x21321002, 0xa1321002, 0x21321002, 0xffffffff, | |
1273 | 0x21320132, 0xa1320132, 0x21320132, 0xffffffff, | |
1274 | 0x21320032, 0xa1320032, 0x21320032, 0xffffffff, | |
1275 | 0x31320032 }; | |
1276 | ||
b04e3dd4 | 1277 | const u32 *mrtable = default_mrtable; |
1da177e4 LT |
1278 | int i, mrtable_size = ARRAY_SIZE(default_mrtable); |
1279 | ||
1280 | mdelay(30); | |
1281 | ||
1282 | /* Disable refresh */ | |
1283 | memRefreshCntl = INREG( MEM_REFRESH_CNTL) | |
1284 | & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; | |
1285 | OUTREG( MEM_REFRESH_CNTL, memRefreshCntl | |
1286 | | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); | |
1287 | ||
1288 | /* Configure and enable M & SPLLs */ | |
1289 | radeon_pm_enable_dll_m10(rinfo); | |
1290 | radeon_pm_yclk_mclk_sync_m10(rinfo); | |
1291 | ||
758ddd1d | 1292 | #ifdef CONFIG_PPC |
1da177e4 LT |
1293 | if (rinfo->of_node != NULL) { |
1294 | int size; | |
1295 | ||
40cd3a45 | 1296 | mrtable = of_get_property(rinfo->of_node, "ATY,MRT", &size); |
1da177e4 LT |
1297 | if (mrtable) |
1298 | mrtable_size = size >> 2; | |
1299 | else | |
1300 | mrtable = default_mrtable; | |
1301 | } | |
758ddd1d | 1302 | #endif /* CONFIG_PPC */ |
1da177e4 LT |
1303 | |
1304 | /* Program the SDRAM */ | |
1305 | sdram_mode_reg = mrtable[0]; | |
1306 | OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg); | |
1307 | for (i = 0; i < mrtable_size; i++) { | |
1308 | if (mrtable[i] == 0xffffffffu) | |
1309 | radeon_pm_m10_program_mode_wait(rinfo); | |
1310 | else { | |
1311 | sdram_mode_reg &= ~(MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK | |
1312 | | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE | |
1313 | | MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET); | |
1314 | sdram_mode_reg |= mrtable[i]; | |
1315 | ||
1316 | OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg); | |
1317 | mdelay(1); | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | /* Restore memory refresh */ | |
1322 | OUTREG(MEM_REFRESH_CNTL, memRefreshCntl); | |
1323 | mdelay(30); | |
1324 | ||
1325 | } | |
1326 | /* Here come the desktop RV200 "QW" card */ | |
1327 | else if (!rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV200) { | |
1328 | /* Disable refresh */ | |
1329 | memRefreshCntl = INREG( MEM_REFRESH_CNTL) | |
1330 | & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; | |
1331 | OUTREG(MEM_REFRESH_CNTL, memRefreshCntl | |
1332 | | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); | |
1333 | mdelay(30); | |
1334 | ||
1335 | /* Reset memory */ | |
1336 | OUTREG(MEM_SDRAM_MODE_REG, | |
1337 | INREG( MEM_SDRAM_MODE_REG) & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1338 | ||
1339 | radeon_pm_program_mode_reg(rinfo, 0x2002, 2); | |
1340 | radeon_pm_program_mode_reg(rinfo, 0x0132, 2); | |
1341 | radeon_pm_program_mode_reg(rinfo, 0x0032, 2); | |
1342 | ||
1343 | OUTREG(MEM_SDRAM_MODE_REG, | |
1344 | INREG(MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1345 | ||
1346 | OUTREG( MEM_REFRESH_CNTL, memRefreshCntl); | |
1347 | ||
1348 | } | |
1349 | /* The M6 */ | |
1350 | else if (rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV100) { | |
1351 | /* Disable refresh */ | |
1352 | memRefreshCntl = INREG(EXT_MEM_CNTL) & ~(1 << 20); | |
1353 | OUTREG( EXT_MEM_CNTL, memRefreshCntl | (1 << 20)); | |
1354 | ||
1355 | /* Reset memory */ | |
1356 | OUTREG( MEM_SDRAM_MODE_REG, | |
1357 | INREG( MEM_SDRAM_MODE_REG) | |
1358 | & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1359 | ||
1360 | /* DLL */ | |
1361 | radeon_pm_enable_dll(rinfo); | |
1362 | ||
1363 | /* MLCK / YCLK sync */ | |
1364 | radeon_pm_yclk_mclk_sync(rinfo); | |
1365 | ||
1366 | /* Program Mode Register */ | |
1367 | radeon_pm_program_mode_reg(rinfo, 0x2000, 1); | |
1368 | radeon_pm_program_mode_reg(rinfo, 0x2001, 1); | |
1369 | radeon_pm_program_mode_reg(rinfo, 0x2002, 1); | |
1370 | radeon_pm_program_mode_reg(rinfo, 0x0132, 1); | |
1371 | radeon_pm_program_mode_reg(rinfo, 0x0032, 1); | |
1372 | ||
1373 | /* Complete & re-enable refresh */ | |
1374 | OUTREG( MEM_SDRAM_MODE_REG, | |
1375 | INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1376 | ||
1377 | OUTREG(EXT_MEM_CNTL, memRefreshCntl); | |
1378 | } | |
1379 | /* And finally, the M7..M9 models, including M9+ (RV280) */ | |
1380 | else if (rinfo->is_mobility) { | |
1381 | ||
1382 | /* Disable refresh */ | |
1383 | memRefreshCntl = INREG( MEM_REFRESH_CNTL) | |
1384 | & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; | |
1385 | OUTREG( MEM_REFRESH_CNTL, memRefreshCntl | |
1386 | | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); | |
1387 | ||
1388 | /* Reset memory */ | |
1389 | OUTREG( MEM_SDRAM_MODE_REG, | |
1390 | INREG( MEM_SDRAM_MODE_REG) | |
1391 | & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1392 | ||
1393 | /* DLL */ | |
1394 | radeon_pm_enable_dll(rinfo); | |
1395 | ||
1396 | /* MLCK / YCLK sync */ | |
1397 | radeon_pm_yclk_mclk_sync(rinfo); | |
1398 | ||
1399 | /* M6, M7 and M9 so far ... */ | |
1400 | if (rinfo->family <= CHIP_FAMILY_RV250) { | |
1401 | radeon_pm_program_mode_reg(rinfo, 0x2000, 1); | |
1402 | radeon_pm_program_mode_reg(rinfo, 0x2001, 1); | |
1403 | radeon_pm_program_mode_reg(rinfo, 0x2002, 1); | |
1404 | radeon_pm_program_mode_reg(rinfo, 0x0132, 1); | |
1405 | radeon_pm_program_mode_reg(rinfo, 0x0032, 1); | |
1406 | } | |
1407 | /* M9+ (iBook G4) */ | |
1408 | else if (rinfo->family == CHIP_FAMILY_RV280) { | |
1409 | radeon_pm_program_mode_reg(rinfo, 0x2000, 1); | |
1410 | radeon_pm_program_mode_reg(rinfo, 0x0132, 1); | |
1411 | radeon_pm_program_mode_reg(rinfo, 0x0032, 1); | |
1412 | } | |
1413 | ||
1414 | /* Complete & re-enable refresh */ | |
1415 | OUTREG( MEM_SDRAM_MODE_REG, | |
1416 | INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1417 | ||
1418 | OUTREG( MEM_REFRESH_CNTL, memRefreshCntl); | |
1419 | } | |
1420 | ||
1421 | OUTREG( CRTC_GEN_CNTL, crtcGenCntl); | |
1422 | OUTREG( CRTC2_GEN_CNTL, crtcGenCntl2); | |
1423 | OUTREG( FP_GEN_CNTL, fp_gen_cntl); | |
1424 | OUTREG( FP2_GEN_CNTL, fp2_gen_cntl); | |
1425 | ||
1426 | OUTREG( CRTC_MORE_CNTL, crtc_more_cntl); | |
1427 | ||
1428 | mdelay( 15); | |
1429 | } | |
1430 | ||
42ddb453 TR |
1431 | #if defined(CONFIG_PM) |
1432 | #if defined(CONFIG_X86) || defined(CONFIG_PPC_PMAC) | |
1da177e4 LT |
1433 | static void radeon_pm_reset_pad_ctlr_strength(struct radeonfb_info *rinfo) |
1434 | { | |
1435 | u32 tmp, tmp2; | |
1436 | int i,j; | |
1437 | ||
1438 | /* Reset the PAD_CTLR_STRENGTH & wait for it to be stable */ | |
1439 | INREG(PAD_CTLR_STRENGTH); | |
1440 | OUTREG(PAD_CTLR_STRENGTH, INREG(PAD_CTLR_STRENGTH) & ~PAD_MANUAL_OVERRIDE); | |
1441 | tmp = INREG(PAD_CTLR_STRENGTH); | |
1442 | for (i = j = 0; i < 65; ++i) { | |
1443 | mdelay(1); | |
1444 | tmp2 = INREG(PAD_CTLR_STRENGTH); | |
1445 | if (tmp != tmp2) { | |
1446 | tmp = tmp2; | |
1447 | i = 0; | |
1448 | j++; | |
1449 | if (j > 10) { | |
1450 | printk(KERN_WARNING "radeon: PAD_CTLR_STRENGTH doesn't " | |
1451 | "stabilize !\n"); | |
1452 | break; | |
1453 | } | |
1454 | } | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | static void radeon_pm_all_ppls_off(struct radeonfb_info *rinfo) | |
1459 | { | |
1460 | u32 tmp; | |
1461 | ||
1462 | tmp = INPLL(pllPPLL_CNTL); | |
1463 | OUTPLL(pllPPLL_CNTL, tmp | 0x3); | |
1464 | tmp = INPLL(pllP2PLL_CNTL); | |
1465 | OUTPLL(pllP2PLL_CNTL, tmp | 0x3); | |
1466 | tmp = INPLL(pllSPLL_CNTL); | |
1467 | OUTPLL(pllSPLL_CNTL, tmp | 0x3); | |
1468 | tmp = INPLL(pllMPLL_CNTL); | |
1469 | OUTPLL(pllMPLL_CNTL, tmp | 0x3); | |
1470 | } | |
1471 | ||
1472 | static void radeon_pm_start_mclk_sclk(struct radeonfb_info *rinfo) | |
1473 | { | |
1474 | u32 tmp; | |
1475 | ||
1476 | /* Switch SPLL to PCI source */ | |
1477 | tmp = INPLL(pllSCLK_CNTL); | |
1478 | OUTPLL(pllSCLK_CNTL, tmp & ~SCLK_CNTL__SCLK_SRC_SEL_MASK); | |
1479 | ||
1480 | /* Reconfigure SPLL charge pump, VCO gain, duty cycle */ | |
1481 | tmp = INPLL(pllSPLL_CNTL); | |
1482 | OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN); | |
1483 | radeon_pll_errata_after_index(rinfo); | |
1484 | OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); | |
1485 | radeon_pll_errata_after_data(rinfo); | |
1486 | ||
1487 | /* Set SPLL feedback divider */ | |
1488 | tmp = INPLL(pllM_SPLL_REF_FB_DIV); | |
1489 | tmp = (tmp & 0xff00fffful) | (rinfo->save_regs[77] & 0x00ff0000ul); | |
1490 | OUTPLL(pllM_SPLL_REF_FB_DIV, tmp); | |
1491 | ||
1492 | /* Power up SPLL */ | |
1493 | tmp = INPLL(pllSPLL_CNTL); | |
1494 | OUTPLL(pllSPLL_CNTL, tmp & ~1); | |
1495 | (void)INPLL(pllSPLL_CNTL); | |
1496 | ||
1497 | mdelay(10); | |
1498 | ||
1499 | /* Release SPLL reset */ | |
1500 | tmp = INPLL(pllSPLL_CNTL); | |
1501 | OUTPLL(pllSPLL_CNTL, tmp & ~0x2); | |
1502 | (void)INPLL(pllSPLL_CNTL); | |
1503 | ||
1504 | mdelay(10); | |
1505 | ||
1506 | /* Select SCLK source */ | |
1507 | tmp = INPLL(pllSCLK_CNTL); | |
1508 | tmp &= ~SCLK_CNTL__SCLK_SRC_SEL_MASK; | |
1509 | tmp |= rinfo->save_regs[3] & SCLK_CNTL__SCLK_SRC_SEL_MASK; | |
1510 | OUTPLL(pllSCLK_CNTL, tmp); | |
1511 | (void)INPLL(pllSCLK_CNTL); | |
1512 | ||
1513 | mdelay(10); | |
1514 | ||
1515 | /* Reconfigure MPLL charge pump, VCO gain, duty cycle */ | |
1516 | tmp = INPLL(pllMPLL_CNTL); | |
1517 | OUTREG8(CLOCK_CNTL_INDEX, pllMPLL_CNTL + PLL_WR_EN); | |
1518 | radeon_pll_errata_after_index(rinfo); | |
1519 | OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); | |
1520 | radeon_pll_errata_after_data(rinfo); | |
1521 | ||
1522 | /* Set MPLL feedback divider */ | |
1523 | tmp = INPLL(pllM_SPLL_REF_FB_DIV); | |
1524 | tmp = (tmp & 0xffff00fful) | (rinfo->save_regs[77] & 0x0000ff00ul); | |
1525 | ||
1526 | OUTPLL(pllM_SPLL_REF_FB_DIV, tmp); | |
1527 | /* Power up MPLL */ | |
1528 | tmp = INPLL(pllMPLL_CNTL); | |
1529 | OUTPLL(pllMPLL_CNTL, tmp & ~0x2); | |
1530 | (void)INPLL(pllMPLL_CNTL); | |
1531 | ||
1532 | mdelay(10); | |
1533 | ||
1534 | /* Un-reset MPLL */ | |
1535 | tmp = INPLL(pllMPLL_CNTL); | |
1536 | OUTPLL(pllMPLL_CNTL, tmp & ~0x1); | |
1537 | (void)INPLL(pllMPLL_CNTL); | |
1538 | ||
1539 | mdelay(10); | |
1540 | ||
1541 | /* Select source for MCLK */ | |
1542 | tmp = INPLL(pllMCLK_CNTL); | |
1543 | tmp |= rinfo->save_regs[2] & 0xffff; | |
1544 | OUTPLL(pllMCLK_CNTL, tmp); | |
1545 | (void)INPLL(pllMCLK_CNTL); | |
1546 | ||
1547 | mdelay(10); | |
1548 | } | |
1549 | ||
1550 | static void radeon_pm_m10_disable_spread_spectrum(struct radeonfb_info *rinfo) | |
1551 | { | |
1552 | u32 r2ec; | |
1553 | ||
1554 | /* GACK ! I though we didn't have a DDA on Radeon's anymore | |
1555 | * here we rewrite with the same value, ... I suppose we clear | |
1556 | * some bits that are already clear ? Or maybe this 0x2ec | |
1557 | * register is something new ? | |
1558 | */ | |
1559 | mdelay(20); | |
1560 | r2ec = INREG(VGA_DDA_ON_OFF); | |
1561 | OUTREG(VGA_DDA_ON_OFF, r2ec); | |
1562 | mdelay(1); | |
1563 | ||
1564 | /* Spread spectrum PLLL off */ | |
1565 | OUTPLL(pllSSPLL_CNTL, 0xbf03); | |
1566 | ||
1567 | /* Spread spectrum disabled */ | |
1568 | OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3); | |
1569 | ||
1570 | /* The trace shows read & rewrite of LVDS_PLL_CNTL here with same | |
1571 | * value, not sure what for... | |
1572 | */ | |
1573 | ||
1574 | r2ec |= 0x3f0; | |
1575 | OUTREG(VGA_DDA_ON_OFF, r2ec); | |
1576 | mdelay(1); | |
1577 | } | |
1578 | ||
1579 | static void radeon_pm_m10_enable_lvds_spread_spectrum(struct radeonfb_info *rinfo) | |
1580 | { | |
1581 | u32 r2ec, tmp; | |
1582 | ||
1583 | /* GACK (bis) ! I though we didn't have a DDA on Radeon's anymore | |
1584 | * here we rewrite with the same value, ... I suppose we clear/set | |
1585 | * some bits that are already clear/set ? | |
1586 | */ | |
1587 | r2ec = INREG(VGA_DDA_ON_OFF); | |
1588 | OUTREG(VGA_DDA_ON_OFF, r2ec); | |
1589 | mdelay(1); | |
1590 | ||
1591 | /* Enable spread spectrum */ | |
1592 | OUTPLL(pllSSPLL_CNTL, rinfo->save_regs[43] | 3); | |
1593 | mdelay(3); | |
1594 | ||
1595 | OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44]); | |
1596 | OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45]); | |
1597 | tmp = INPLL(pllSSPLL_CNTL); | |
1598 | OUTPLL(pllSSPLL_CNTL, tmp & ~0x2); | |
1599 | mdelay(6); | |
1600 | tmp = INPLL(pllSSPLL_CNTL); | |
1601 | OUTPLL(pllSSPLL_CNTL, tmp & ~0x1); | |
1602 | mdelay(5); | |
1603 | ||
1604 | OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90]); | |
1605 | ||
1606 | r2ec |= 8; | |
1607 | OUTREG(VGA_DDA_ON_OFF, r2ec); | |
1608 | mdelay(20); | |
1609 | ||
1610 | /* Enable LVDS interface */ | |
1611 | tmp = INREG(LVDS_GEN_CNTL); | |
1612 | OUTREG(LVDS_GEN_CNTL, tmp | LVDS_EN); | |
1613 | ||
1614 | /* Enable LVDS_PLL */ | |
1615 | tmp = INREG(LVDS_PLL_CNTL); | |
1616 | tmp &= ~0x30000; | |
1617 | tmp |= 0x10000; | |
1618 | OUTREG(LVDS_PLL_CNTL, tmp); | |
1619 | ||
1620 | OUTPLL(pllSCLK_MORE_CNTL, rinfo->save_regs[34]); | |
1621 | OUTPLL(pllSS_TST_CNTL, rinfo->save_regs[91]); | |
1622 | ||
1623 | /* The trace reads that one here, waiting for something to settle down ? */ | |
1624 | INREG(RBBM_STATUS); | |
1625 | ||
1626 | /* Ugh ? SS_TST_DEC is supposed to be a read register in the | |
1627 | * R300 register spec at least... | |
1628 | */ | |
1629 | tmp = INPLL(pllSS_TST_CNTL); | |
1630 | tmp |= 0x00400000; | |
1631 | OUTPLL(pllSS_TST_CNTL, tmp); | |
1632 | } | |
1633 | ||
1634 | static void radeon_pm_restore_pixel_pll(struct radeonfb_info *rinfo) | |
1635 | { | |
1636 | u32 tmp; | |
1637 | ||
1638 | OUTREG8(CLOCK_CNTL_INDEX, pllHTOTAL_CNTL + PLL_WR_EN); | |
1639 | radeon_pll_errata_after_index(rinfo); | |
1640 | OUTREG8(CLOCK_CNTL_DATA, 0); | |
1641 | radeon_pll_errata_after_data(rinfo); | |
1642 | ||
1643 | tmp = INPLL(pllVCLK_ECP_CNTL); | |
1644 | OUTPLL(pllVCLK_ECP_CNTL, tmp | 0x80); | |
1645 | mdelay(5); | |
1646 | ||
1647 | tmp = INPLL(pllPPLL_REF_DIV); | |
1648 | tmp = (tmp & ~PPLL_REF_DIV_MASK) | rinfo->pll.ref_div; | |
1649 | OUTPLL(pllPPLL_REF_DIV, tmp); | |
1650 | INPLL(pllPPLL_REF_DIV); | |
1651 | ||
1652 | /* Reconfigure SPLL charge pump, VCO gain, duty cycle, | |
1653 | * probably useless since we already did it ... | |
1654 | */ | |
1655 | tmp = INPLL(pllPPLL_CNTL); | |
1656 | OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN); | |
1657 | radeon_pll_errata_after_index(rinfo); | |
1658 | OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); | |
1659 | radeon_pll_errata_after_data(rinfo); | |
1660 | ||
1661 | /* Restore our "reference" PPLL divider set by firmware | |
1662 | * according to proper spread spectrum calculations | |
1663 | */ | |
1664 | OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]); | |
1665 | ||
1666 | tmp = INPLL(pllPPLL_CNTL); | |
1667 | OUTPLL(pllPPLL_CNTL, tmp & ~0x2); | |
1668 | mdelay(5); | |
1669 | ||
1670 | tmp = INPLL(pllPPLL_CNTL); | |
1671 | OUTPLL(pllPPLL_CNTL, tmp & ~0x1); | |
1672 | mdelay(5); | |
1673 | ||
1674 | tmp = INPLL(pllVCLK_ECP_CNTL); | |
1675 | OUTPLL(pllVCLK_ECP_CNTL, tmp | 3); | |
1676 | mdelay(5); | |
1677 | ||
1678 | tmp = INPLL(pllVCLK_ECP_CNTL); | |
1679 | OUTPLL(pllVCLK_ECP_CNTL, tmp | 3); | |
1680 | mdelay(5); | |
1681 | ||
1682 | /* Switch pixel clock to firmware default div 0 */ | |
1683 | OUTREG8(CLOCK_CNTL_INDEX+1, 0); | |
1684 | radeon_pll_errata_after_index(rinfo); | |
1685 | radeon_pll_errata_after_data(rinfo); | |
1686 | } | |
1687 | ||
1688 | static void radeon_pm_m10_reconfigure_mc(struct radeonfb_info *rinfo) | |
1689 | { | |
1690 | OUTREG(MC_CNTL, rinfo->save_regs[46]); | |
1691 | OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]); | |
1692 | OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]); | |
1693 | OUTREG(MEM_SDRAM_MODE_REG, | |
1694 | rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1695 | OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]); | |
1696 | OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]); | |
1697 | OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]); | |
1698 | OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]); | |
1699 | OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]); | |
1700 | OUTREG(MC_DEBUG, rinfo->save_regs[53]); | |
1701 | ||
1702 | OUTMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER, rinfo->save_regs[58]); | |
1703 | OUTMC(rinfo, ixR300_MC_IMP_CNTL, rinfo->save_regs[59]); | |
1704 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0, rinfo->save_regs[60]); | |
1705 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1, rinfo->save_regs[61]); | |
1706 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0, rinfo->save_regs[62]); | |
1707 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1, rinfo->save_regs[63]); | |
1708 | OUTMC(rinfo, ixR300_MC_BIST_CNTL_3, rinfo->save_regs[64]); | |
1709 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0, rinfo->save_regs[65]); | |
1710 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1, rinfo->save_regs[66]); | |
1711 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0, rinfo->save_regs[67]); | |
1712 | OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1, rinfo->save_regs[68]); | |
1713 | OUTMC(rinfo, ixR300_MC_DEBUG_CNTL, rinfo->save_regs[69]); | |
1714 | OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); | |
1715 | OUTMC(rinfo, ixR300_MC_IMP_CNTL_0, rinfo->save_regs[71]); | |
1716 | OUTMC(rinfo, ixR300_MC_ELPIDA_CNTL, rinfo->save_regs[72]); | |
1717 | OUTMC(rinfo, ixR300_MC_READ_CNTL_CD, rinfo->save_regs[96]); | |
1718 | OUTREG(MC_IND_INDEX, 0); | |
1719 | } | |
1720 | ||
1721 | static void radeon_reinitialize_M10(struct radeonfb_info *rinfo) | |
1722 | { | |
1723 | u32 tmp, i; | |
1724 | ||
1725 | /* Restore a bunch of registers first */ | |
1726 | OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); | |
1727 | OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); | |
1728 | OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); | |
1729 | OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); | |
1730 | OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); | |
fe86175b | 1731 | OUTREG(CNFG_MEMSIZE, rinfo->video_ram); |
1da177e4 LT |
1732 | OUTREG(BUS_CNTL, rinfo->save_regs[36]); |
1733 | OUTREG(BUS_CNTL1, rinfo->save_regs[14]); | |
1734 | OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); | |
1735 | OUTREG(FCP_CNTL, rinfo->save_regs[38]); | |
1736 | OUTREG(RBBM_CNTL, rinfo->save_regs[39]); | |
1737 | OUTREG(DAC_CNTL, rinfo->save_regs[40]); | |
1738 | OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8); | |
1739 | OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8); | |
1740 | ||
1741 | /* Hrm... */ | |
1742 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE); | |
1743 | ||
1744 | /* Reset the PAD CTLR */ | |
1745 | radeon_pm_reset_pad_ctlr_strength(rinfo); | |
1746 | ||
1747 | /* Some PLLs are Read & written identically in the trace here... | |
1748 | * I suppose it's actually to switch them all off & reset, | |
1749 | * let's assume off is what we want. I'm just doing that for all major PLLs now. | |
1750 | */ | |
1751 | radeon_pm_all_ppls_off(rinfo); | |
1752 | ||
1753 | /* Clear tiling, reset swappers */ | |
1754 | INREG(SURFACE_CNTL); | |
1755 | OUTREG(SURFACE_CNTL, 0); | |
1756 | ||
1757 | /* Some black magic with TV_DAC_CNTL, we should restore those from backups | |
1758 | * rather than hard coding... | |
1759 | */ | |
1760 | tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK; | |
1761 | tmp |= 8 << TV_DAC_CNTL_BGADJ__SHIFT; | |
1762 | OUTREG(TV_DAC_CNTL, tmp); | |
1763 | ||
1764 | tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK; | |
1765 | tmp |= 7 << TV_DAC_CNTL_DACADJ__SHIFT; | |
1766 | OUTREG(TV_DAC_CNTL, tmp); | |
1767 | ||
1768 | /* More registers restored */ | |
1769 | OUTREG(AGP_CNTL, rinfo->save_regs[16]); | |
1770 | OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); | |
1771 | OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); | |
1772 | ||
1773 | /* Hrmmm ... What is that ? */ | |
1774 | tmp = rinfo->save_regs[1] | |
1775 | & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK | | |
1776 | CLK_PWRMGT_CNTL__MC_BUSY); | |
1777 | OUTPLL(pllCLK_PWRMGT_CNTL, tmp); | |
1778 | ||
1779 | OUTREG(PAD_CTLR_MISC, rinfo->save_regs[56]); | |
1780 | OUTREG(FW_CNTL, rinfo->save_regs[57]); | |
1781 | OUTREG(HDP_DEBUG, rinfo->save_regs[96]); | |
1782 | OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]); | |
1783 | OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]); | |
1784 | OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]); | |
1785 | ||
1786 | /* Restore Memory Controller configuration */ | |
1787 | radeon_pm_m10_reconfigure_mc(rinfo); | |
1788 | ||
1789 | /* Make sure CRTC's dont touch memory */ | |
1790 | OUTREG(CRTC_GEN_CNTL, INREG(CRTC_GEN_CNTL) | |
1791 | | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B); | |
1792 | OUTREG(CRTC2_GEN_CNTL, INREG(CRTC2_GEN_CNTL) | |
1793 | | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B); | |
1794 | mdelay(30); | |
1795 | ||
1796 | /* Disable SDRAM refresh */ | |
1797 | OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL) | |
1798 | | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); | |
1799 | ||
1800 | /* Restore XTALIN routing (CLK_PIN_CNTL) */ | |
1801 | OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]); | |
1802 | ||
1803 | /* Switch MCLK, YCLK and SCLK PLLs to PCI source & force them ON */ | |
1804 | tmp = rinfo->save_regs[2] & 0xff000000; | |
1805 | tmp |= MCLK_CNTL__FORCE_MCLKA | | |
1806 | MCLK_CNTL__FORCE_MCLKB | | |
1807 | MCLK_CNTL__FORCE_YCLKA | | |
1808 | MCLK_CNTL__FORCE_YCLKB | | |
1809 | MCLK_CNTL__FORCE_MC; | |
1810 | OUTPLL(pllMCLK_CNTL, tmp); | |
1811 | ||
1812 | /* Force all clocks on in SCLK */ | |
1813 | tmp = INPLL(pllSCLK_CNTL); | |
1814 | tmp |= SCLK_CNTL__FORCE_DISP2| | |
1815 | SCLK_CNTL__FORCE_CP| | |
1816 | SCLK_CNTL__FORCE_HDP| | |
1817 | SCLK_CNTL__FORCE_DISP1| | |
1818 | SCLK_CNTL__FORCE_TOP| | |
1819 | SCLK_CNTL__FORCE_E2| | |
1820 | SCLK_CNTL__FORCE_SE| | |
1821 | SCLK_CNTL__FORCE_IDCT| | |
1822 | SCLK_CNTL__FORCE_VIP| | |
1823 | SCLK_CNTL__FORCE_PB| | |
1824 | SCLK_CNTL__FORCE_TAM| | |
1825 | SCLK_CNTL__FORCE_TDM| | |
1826 | SCLK_CNTL__FORCE_RB| | |
1827 | SCLK_CNTL__FORCE_TV_SCLK| | |
1828 | SCLK_CNTL__FORCE_SUBPIC| | |
1829 | SCLK_CNTL__FORCE_OV0; | |
1830 | tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT | | |
1831 | SCLK_CNTL__HDP_MAX_DYN_STOP_LAT | | |
1832 | SCLK_CNTL__TV_MAX_DYN_STOP_LAT | | |
1833 | SCLK_CNTL__E2_MAX_DYN_STOP_LAT | | |
1834 | SCLK_CNTL__SE_MAX_DYN_STOP_LAT | | |
1835 | SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT| | |
1836 | SCLK_CNTL__VIP_MAX_DYN_STOP_LAT | | |
1837 | SCLK_CNTL__RE_MAX_DYN_STOP_LAT | | |
1838 | SCLK_CNTL__PB_MAX_DYN_STOP_LAT | | |
1839 | SCLK_CNTL__TAM_MAX_DYN_STOP_LAT | | |
1840 | SCLK_CNTL__TDM_MAX_DYN_STOP_LAT | | |
1841 | SCLK_CNTL__RB_MAX_DYN_STOP_LAT; | |
1842 | OUTPLL(pllSCLK_CNTL, tmp); | |
1843 | ||
1844 | OUTPLL(pllVCLK_ECP_CNTL, 0); | |
1845 | OUTPLL(pllPIXCLKS_CNTL, 0); | |
1846 | OUTPLL(pllMCLK_MISC, | |
1847 | MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT | | |
1848 | MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT); | |
1849 | ||
1850 | mdelay(5); | |
1851 | ||
1852 | /* Restore the M_SPLL_REF_FB_DIV, MPLL_AUX_CNTL and SPLL_AUX_CNTL values */ | |
1853 | OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]); | |
1854 | OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]); | |
1855 | OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]); | |
1856 | ||
1857 | /* Now restore the major PLLs settings, keeping them off & reset though */ | |
1858 | OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3); | |
1859 | OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3); | |
1860 | OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03); | |
1861 | OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03); | |
1862 | ||
1863 | /* Restore MC DLL state and switch it off/reset too */ | |
1864 | OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); | |
1865 | ||
1866 | /* Switch MDLL off & reset */ | |
1867 | OUTPLL(pllMDLL_RDCKA, rinfo->save_regs[98] | 0xff); | |
1868 | mdelay(5); | |
1869 | ||
1870 | /* Setup some black magic bits in PLL_PWRMGT_CNTL. Hrm... we saved | |
1871 | * 0xa1100007... and MacOS writes 0xa1000007 .. | |
1872 | */ | |
1873 | OUTPLL(pllPLL_PWRMGT_CNTL, rinfo->save_regs[0]); | |
1874 | ||
1875 | /* Restore more stuffs */ | |
1876 | OUTPLL(pllHTOTAL_CNTL, 0); | |
1877 | OUTPLL(pllHTOTAL2_CNTL, 0); | |
1878 | ||
1879 | /* More PLL initial configuration */ | |
1880 | tmp = INPLL(pllSCLK_CNTL2); /* What for ? */ | |
1881 | OUTPLL(pllSCLK_CNTL2, tmp); | |
1882 | ||
1883 | tmp = INPLL(pllSCLK_MORE_CNTL); | |
1884 | tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS | /* a guess */ | |
1885 | SCLK_MORE_CNTL__FORCE_MC_GUI | | |
1886 | SCLK_MORE_CNTL__FORCE_MC_HOST; | |
1887 | OUTPLL(pllSCLK_MORE_CNTL, tmp); | |
1888 | ||
1889 | /* Now we actually start MCLK and SCLK */ | |
1890 | radeon_pm_start_mclk_sclk(rinfo); | |
1891 | ||
1892 | /* Full reset sdrams, this also re-inits the MDLL */ | |
1893 | radeon_pm_full_reset_sdram(rinfo); | |
1894 | ||
1895 | /* Fill palettes */ | |
1896 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20); | |
1897 | for (i=0; i<256; i++) | |
1898 | OUTREG(PALETTE_30_DATA, 0x15555555); | |
1899 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20); | |
1900 | udelay(20); | |
1901 | for (i=0; i<256; i++) | |
1902 | OUTREG(PALETTE_30_DATA, 0x15555555); | |
1903 | ||
1904 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20); | |
1905 | mdelay(3); | |
1906 | ||
1907 | /* Restore TMDS */ | |
1908 | OUTREG(FP_GEN_CNTL, rinfo->save_regs[82]); | |
1909 | OUTREG(FP2_GEN_CNTL, rinfo->save_regs[83]); | |
1910 | ||
1911 | /* Set LVDS registers but keep interface & pll down */ | |
1912 | OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] & | |
1913 | ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN)); | |
1914 | OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000); | |
1915 | ||
1916 | OUTREG(DISP_OUTPUT_CNTL, rinfo->save_regs[86]); | |
1917 | ||
1918 | /* Restore GPIOPAD state */ | |
1919 | OUTREG(GPIOPAD_A, rinfo->save_regs[19]); | |
1920 | OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); | |
1921 | OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); | |
1922 | ||
1923 | /* write some stuff to the framebuffer... */ | |
1924 | for (i = 0; i < 0x8000; ++i) | |
1925 | writeb(0, rinfo->fb_base + i); | |
1926 | ||
1927 | mdelay(40); | |
1928 | OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON); | |
1929 | mdelay(40); | |
1930 | ||
1931 | /* Restore a few more things */ | |
1932 | OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]); | |
1933 | OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]); | |
1934 | ||
1935 | /* Take care of spread spectrum & PPLLs now */ | |
1936 | radeon_pm_m10_disable_spread_spectrum(rinfo); | |
1937 | radeon_pm_restore_pixel_pll(rinfo); | |
1938 | ||
1939 | /* GRRRR... I can't figure out the proper LVDS power sequence, and the | |
1940 | * code I have for blank/unblank doesn't quite work on some laptop models | |
1941 | * it seems ... Hrm. What I have here works most of the time ... | |
1942 | */ | |
1943 | radeon_pm_m10_enable_lvds_spread_spectrum(rinfo); | |
1944 | } | |
42ddb453 | 1945 | #endif |
1da177e4 | 1946 | |
758ddd1d | 1947 | #ifdef CONFIG_PPC |
42ddb453 | 1948 | #ifdef CONFIG_PPC_PMAC |
1da177e4 LT |
1949 | static void radeon_pm_m9p_reconfigure_mc(struct radeonfb_info *rinfo) |
1950 | { | |
1951 | OUTREG(MC_CNTL, rinfo->save_regs[46]); | |
1952 | OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]); | |
1953 | OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]); | |
1954 | OUTREG(MEM_SDRAM_MODE_REG, | |
1955 | rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); | |
1956 | OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]); | |
1957 | OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]); | |
1958 | OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]); | |
1959 | OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]); | |
1960 | OUTREG(MC_DEBUG, rinfo->save_regs[53]); | |
1961 | OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]); | |
1962 | ||
1963 | OUTMC(rinfo, ixMC_IMP_CNTL, rinfo->save_regs[59] /*0x00f460d6*/); | |
1964 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_A0, rinfo->save_regs[65] /*0xfecfa666*/); | |
1965 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, rinfo->save_regs[66] /*0x141555ff*/); | |
1966 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_B0, rinfo->save_regs[67] /*0xfecfa666*/); | |
1967 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, rinfo->save_regs[68] /*0x141555ff*/); | |
1968 | OUTMC(rinfo, ixMC_IMP_CNTL_0, rinfo->save_regs[71] /*0x00009249*/); | |
1969 | OUTREG(MC_IND_INDEX, 0); | |
fe86175b | 1970 | OUTREG(CNFG_MEMSIZE, rinfo->video_ram); |
1da177e4 LT |
1971 | |
1972 | mdelay(20); | |
1973 | } | |
1974 | ||
1975 | static void radeon_reinitialize_M9P(struct radeonfb_info *rinfo) | |
1976 | { | |
1977 | u32 tmp, i; | |
1978 | ||
1979 | /* Restore a bunch of registers first */ | |
1980 | OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); | |
1981 | OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); | |
1982 | OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); | |
1983 | OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); | |
1984 | OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); | |
1985 | OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); | |
1986 | OUTREG(BUS_CNTL, rinfo->save_regs[36]); | |
1987 | OUTREG(BUS_CNTL1, rinfo->save_regs[14]); | |
1988 | OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); | |
1989 | OUTREG(FCP_CNTL, rinfo->save_regs[38]); | |
1990 | OUTREG(RBBM_CNTL, rinfo->save_regs[39]); | |
1991 | ||
1992 | OUTREG(DAC_CNTL, rinfo->save_regs[40]); | |
1993 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE); | |
1994 | ||
1995 | /* Reset the PAD CTLR */ | |
1996 | radeon_pm_reset_pad_ctlr_strength(rinfo); | |
1997 | ||
1998 | /* Some PLLs are Read & written identically in the trace here... | |
1999 | * I suppose it's actually to switch them all off & reset, | |
2000 | * let's assume off is what we want. I'm just doing that for all major PLLs now. | |
2001 | */ | |
2002 | radeon_pm_all_ppls_off(rinfo); | |
2003 | ||
2004 | /* Clear tiling, reset swappers */ | |
2005 | INREG(SURFACE_CNTL); | |
2006 | OUTREG(SURFACE_CNTL, 0); | |
2007 | ||
2008 | /* Some black magic with TV_DAC_CNTL, we should restore those from backups | |
2009 | * rather than hard coding... | |
2010 | */ | |
2011 | tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK; | |
2012 | tmp |= 6 << TV_DAC_CNTL_BGADJ__SHIFT; | |
2013 | OUTREG(TV_DAC_CNTL, tmp); | |
2014 | ||
2015 | tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK; | |
2016 | tmp |= 6 << TV_DAC_CNTL_DACADJ__SHIFT; | |
2017 | OUTREG(TV_DAC_CNTL, tmp); | |
2018 | ||
2019 | OUTPLL(pllAGP_PLL_CNTL, rinfo->save_regs[78]); | |
2020 | ||
2021 | OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]); | |
2022 | OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]); | |
2023 | OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]); | |
2024 | ||
2025 | OUTREG(AGP_CNTL, rinfo->save_regs[16]); | |
2026 | OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); /* MacOS sets that to 0 !!! */ | |
2027 | OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); | |
2028 | ||
2029 | tmp = rinfo->save_regs[1] | |
2030 | & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK | | |
2031 | CLK_PWRMGT_CNTL__MC_BUSY); | |
2032 | OUTPLL(pllCLK_PWRMGT_CNTL, tmp); | |
2033 | ||
2034 | OUTREG(FW_CNTL, rinfo->save_regs[57]); | |
2035 | ||
2036 | /* Disable SDRAM refresh */ | |
2037 | OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL) | |
2038 | | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); | |
2039 | ||
2040 | /* Restore XTALIN routing (CLK_PIN_CNTL) */ | |
2041 | OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]); | |
2042 | ||
2043 | /* Force MCLK to be PCI sourced and forced ON */ | |
2044 | tmp = rinfo->save_regs[2] & 0xff000000; | |
2045 | tmp |= MCLK_CNTL__FORCE_MCLKA | | |
2046 | MCLK_CNTL__FORCE_MCLKB | | |
2047 | MCLK_CNTL__FORCE_YCLKA | | |
2048 | MCLK_CNTL__FORCE_YCLKB | | |
2049 | MCLK_CNTL__FORCE_MC | | |
2050 | MCLK_CNTL__FORCE_AIC; | |
2051 | OUTPLL(pllMCLK_CNTL, tmp); | |
2052 | ||
2053 | /* Force SCLK to be PCI sourced with a bunch forced */ | |
2054 | tmp = 0 | | |
2055 | SCLK_CNTL__FORCE_DISP2| | |
2056 | SCLK_CNTL__FORCE_CP| | |
2057 | SCLK_CNTL__FORCE_HDP| | |
2058 | SCLK_CNTL__FORCE_DISP1| | |
2059 | SCLK_CNTL__FORCE_TOP| | |
2060 | SCLK_CNTL__FORCE_E2| | |
2061 | SCLK_CNTL__FORCE_SE| | |
2062 | SCLK_CNTL__FORCE_IDCT| | |
2063 | SCLK_CNTL__FORCE_VIP| | |
2064 | SCLK_CNTL__FORCE_RE| | |
2065 | SCLK_CNTL__FORCE_PB| | |
2066 | SCLK_CNTL__FORCE_TAM| | |
2067 | SCLK_CNTL__FORCE_TDM| | |
2068 | SCLK_CNTL__FORCE_RB; | |
2069 | OUTPLL(pllSCLK_CNTL, tmp); | |
2070 | ||
2071 | /* Clear VCLK_ECP_CNTL & PIXCLKS_CNTL */ | |
2072 | OUTPLL(pllVCLK_ECP_CNTL, 0); | |
2073 | OUTPLL(pllPIXCLKS_CNTL, 0); | |
2074 | ||
2075 | /* Setup MCLK_MISC, non dynamic mode */ | |
2076 | OUTPLL(pllMCLK_MISC, | |
2077 | MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT | | |
2078 | MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT); | |
2079 | ||
2080 | mdelay(5); | |
2081 | ||
2082 | /* Set back the default clock dividers */ | |
2083 | OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]); | |
2084 | OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]); | |
2085 | OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]); | |
2086 | ||
2087 | /* PPLL and P2PLL default values & off */ | |
2088 | OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3); | |
2089 | OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3); | |
2090 | ||
2091 | /* S and M PLLs are reset & off, configure them */ | |
2092 | OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03); | |
2093 | OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03); | |
2094 | ||
2095 | /* Default values for MDLL ... fixme */ | |
2096 | OUTPLL(pllMDLL_CKO, 0x9c009c); | |
2097 | OUTPLL(pllMDLL_RDCKA, 0x08830883); | |
2098 | OUTPLL(pllMDLL_RDCKB, 0x08830883); | |
2099 | mdelay(5); | |
2100 | ||
2101 | /* Restore PLL_PWRMGT_CNTL */ // XXXX | |
2102 | tmp = rinfo->save_regs[0]; | |
2103 | tmp &= ~PLL_PWRMGT_CNTL_SU_SCLK_USE_BCLK; | |
2104 | tmp |= PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK; | |
2105 | OUTPLL(PLL_PWRMGT_CNTL, tmp); | |
2106 | ||
2107 | /* Clear HTOTAL_CNTL & HTOTAL2_CNTL */ | |
2108 | OUTPLL(pllHTOTAL_CNTL, 0); | |
2109 | OUTPLL(pllHTOTAL2_CNTL, 0); | |
2110 | ||
2111 | /* All outputs off */ | |
2112 | OUTREG(CRTC_GEN_CNTL, 0x04000000); | |
2113 | OUTREG(CRTC2_GEN_CNTL, 0x04000000); | |
2114 | OUTREG(FP_GEN_CNTL, 0x00004008); | |
2115 | OUTREG(FP2_GEN_CNTL, 0x00000008); | |
2116 | OUTREG(LVDS_GEN_CNTL, 0x08000008); | |
2117 | ||
2118 | /* Restore Memory Controller configuration */ | |
2119 | radeon_pm_m9p_reconfigure_mc(rinfo); | |
2120 | ||
2121 | /* Now we actually start MCLK and SCLK */ | |
2122 | radeon_pm_start_mclk_sclk(rinfo); | |
2123 | ||
2124 | /* Full reset sdrams, this also re-inits the MDLL */ | |
2125 | radeon_pm_full_reset_sdram(rinfo); | |
2126 | ||
2127 | /* Fill palettes */ | |
2128 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20); | |
2129 | for (i=0; i<256; i++) | |
2130 | OUTREG(PALETTE_30_DATA, 0x15555555); | |
2131 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20); | |
2132 | udelay(20); | |
2133 | for (i=0; i<256; i++) | |
2134 | OUTREG(PALETTE_30_DATA, 0x15555555); | |
2135 | ||
2136 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20); | |
2137 | mdelay(3); | |
2138 | ||
2139 | /* Restore TV stuff, make sure TV DAC is down */ | |
2140 | OUTREG(TV_MASTER_CNTL, rinfo->save_regs[88]); | |
2141 | OUTREG(TV_DAC_CNTL, rinfo->save_regs[13] | 0x07000000); | |
2142 | ||
2143 | /* Restore GPIOS. MacOS does some magic here with one of the GPIO bits, | |
2144 | * possibly related to the weird PLL related workarounds and to the | |
2145 | * fact that CLK_PIN_CNTL is tweaked in ways I don't fully understand, | |
2146 | * but we keep things the simple way here | |
2147 | */ | |
2148 | OUTREG(GPIOPAD_A, rinfo->save_regs[19]); | |
2149 | OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); | |
2150 | OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); | |
2151 | ||
2152 | /* Now do things with SCLK_MORE_CNTL. Force bits are already set, copy | |
2153 | * high bits from backup | |
2154 | */ | |
2155 | tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff; | |
2156 | tmp |= rinfo->save_regs[34] & 0xffff0000; | |
2157 | tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS; | |
2158 | OUTPLL(pllSCLK_MORE_CNTL, tmp); | |
2159 | ||
2160 | tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff; | |
2161 | tmp |= rinfo->save_regs[34] & 0xffff0000; | |
2162 | tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS; | |
2163 | OUTPLL(pllSCLK_MORE_CNTL, tmp); | |
2164 | ||
2165 | OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] & | |
2166 | ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN)); | |
2167 | OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_BLON); | |
2168 | OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000); | |
2169 | mdelay(20); | |
2170 | ||
2171 | /* write some stuff to the framebuffer... */ | |
2172 | for (i = 0; i < 0x8000; ++i) | |
2173 | writeb(0, rinfo->fb_base + i); | |
2174 | ||
2175 | OUTREG(0x2ec, 0x6332a020); | |
2176 | OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44] /*0x3f */); | |
2177 | OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45] /*0x000081bb */); | |
2178 | tmp = INPLL(pllSSPLL_CNTL); | |
2179 | tmp &= ~2; | |
2180 | OUTPLL(pllSSPLL_CNTL, tmp); | |
2181 | mdelay(6); | |
2182 | tmp &= ~1; | |
2183 | OUTPLL(pllSSPLL_CNTL, tmp); | |
2184 | mdelay(5); | |
2185 | tmp |= 3; | |
2186 | OUTPLL(pllSSPLL_CNTL, tmp); | |
2187 | mdelay(5); | |
2188 | ||
2189 | OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3);/*0x0020300c*/ | |
2190 | OUTREG(0x2ec, 0x6332a3f0); | |
2191 | mdelay(17); | |
2192 | ||
53b3531b | 2193 | OUTPLL(pllPPLL_REF_DIV, rinfo->pll.ref_div); |
1da177e4 LT |
2194 | OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]); |
2195 | ||
2196 | mdelay(40); | |
2197 | OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON); | |
2198 | mdelay(40); | |
2199 | ||
2200 | /* Restore a few more things */ | |
2201 | OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]); | |
2202 | OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]); | |
2203 | ||
2204 | /* Restore PPLL, spread spectrum & LVDS */ | |
2205 | radeon_pm_m10_disable_spread_spectrum(rinfo); | |
2206 | radeon_pm_restore_pixel_pll(rinfo); | |
2207 | radeon_pm_m10_enable_lvds_spread_spectrum(rinfo); | |
2208 | } | |
42ddb453 TR |
2209 | #endif |
2210 | #endif | |
1da177e4 LT |
2211 | |
2212 | #if 0 /* Not ready yet */ | |
2213 | static void radeon_reinitialize_QW(struct radeonfb_info *rinfo) | |
2214 | { | |
2215 | int i; | |
2216 | u32 tmp, tmp2; | |
2217 | u32 cko, cka, ckb; | |
2218 | u32 cgc, cec, c2gc; | |
2219 | ||
2220 | OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); | |
2221 | OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); | |
2222 | OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); | |
2223 | OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); | |
2224 | OUTREG(BUS_CNTL, rinfo->save_regs[36]); | |
2225 | OUTREG(RBBM_CNTL, rinfo->save_regs[39]); | |
2226 | ||
2227 | INREG(PAD_CTLR_STRENGTH); | |
2228 | OUTREG(PAD_CTLR_STRENGTH, INREG(PAD_CTLR_STRENGTH) & ~0x10000); | |
2229 | for (i = 0; i < 65; ++i) { | |
2230 | mdelay(1); | |
2231 | INREG(PAD_CTLR_STRENGTH); | |
2232 | } | |
2233 | ||
2234 | OUTREG(DISP_TEST_DEBUG_CNTL, INREG(DISP_TEST_DEBUG_CNTL) | 0x10000000); | |
2235 | OUTREG(OV0_FLAG_CNTRL, INREG(OV0_FLAG_CNTRL) | 0x100); | |
2236 | OUTREG(CRTC_GEN_CNTL, INREG(CRTC_GEN_CNTL)); | |
2237 | OUTREG(DAC_CNTL, 0xff00410a); | |
2238 | OUTREG(CRTC2_GEN_CNTL, INREG(CRTC2_GEN_CNTL)); | |
2239 | OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x4000); | |
2240 | ||
2241 | OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); | |
2242 | OUTREG(AGP_CNTL, rinfo->save_regs[16]); | |
2243 | OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); | |
2244 | OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); | |
2245 | ||
2246 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_A0, 0xf7bb4433); | |
2247 | OUTREG(MC_IND_INDEX, 0); | |
2248 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_B0, 0xf7bb4433); | |
2249 | OUTREG(MC_IND_INDEX, 0); | |
2250 | ||
2251 | OUTREG(CRTC_MORE_CNTL, INREG(CRTC_MORE_CNTL)); | |
2252 | ||
2253 | tmp = INPLL(pllVCLK_ECP_CNTL); | |
2254 | OUTPLL(pllVCLK_ECP_CNTL, tmp); | |
2255 | tmp = INPLL(pllPIXCLKS_CNTL); | |
2256 | OUTPLL(pllPIXCLKS_CNTL, tmp); | |
2257 | ||
2258 | OUTPLL(MCLK_CNTL, 0xaa3f0000); | |
2259 | OUTPLL(SCLK_CNTL, 0xffff0000); | |
2260 | OUTPLL(pllMPLL_AUX_CNTL, 6); | |
2261 | OUTPLL(pllSPLL_AUX_CNTL, 1); | |
2262 | OUTPLL(MDLL_CKO, 0x9f009f); | |
2263 | OUTPLL(MDLL_RDCKA, 0x830083); | |
2264 | OUTPLL(pllMDLL_RDCKB, 0x830083); | |
2265 | OUTPLL(PPLL_CNTL, 0xa433); | |
2266 | OUTPLL(P2PLL_CNTL, 0xa433); | |
2267 | OUTPLL(MPLL_CNTL, 0x0400a403); | |
2268 | OUTPLL(SPLL_CNTL, 0x0400a433); | |
2269 | ||
2270 | tmp = INPLL(M_SPLL_REF_FB_DIV); | |
2271 | OUTPLL(M_SPLL_REF_FB_DIV, tmp); | |
2272 | tmp = INPLL(M_SPLL_REF_FB_DIV); | |
2273 | OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0xc); | |
2274 | INPLL(M_SPLL_REF_FB_DIV); | |
2275 | ||
2276 | tmp = INPLL(MPLL_CNTL); | |
2277 | OUTREG8(CLOCK_CNTL_INDEX, MPLL_CNTL + PLL_WR_EN); | |
2278 | radeon_pll_errata_after_index(rinfo); | |
2279 | OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); | |
2280 | radeon_pll_errata_after_data(rinfo); | |
2281 | ||
2282 | tmp = INPLL(M_SPLL_REF_FB_DIV); | |
2283 | OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0x5900); | |
2284 | ||
2285 | tmp = INPLL(MPLL_CNTL); | |
2286 | OUTPLL(MPLL_CNTL, tmp & ~0x2); | |
2287 | mdelay(1); | |
2288 | tmp = INPLL(MPLL_CNTL); | |
2289 | OUTPLL(MPLL_CNTL, tmp & ~0x1); | |
2290 | mdelay(10); | |
2291 | ||
2292 | OUTPLL(MCLK_CNTL, 0xaa3f1212); | |
2293 | mdelay(1); | |
2294 | ||
2295 | INPLL(M_SPLL_REF_FB_DIV); | |
2296 | INPLL(MCLK_CNTL); | |
2297 | INPLL(M_SPLL_REF_FB_DIV); | |
2298 | ||
2299 | tmp = INPLL(SPLL_CNTL); | |
2300 | OUTREG8(CLOCK_CNTL_INDEX, SPLL_CNTL + PLL_WR_EN); | |
2301 | radeon_pll_errata_after_index(rinfo); | |
2302 | OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); | |
2303 | radeon_pll_errata_after_data(rinfo); | |
2304 | ||
2305 | tmp = INPLL(M_SPLL_REF_FB_DIV); | |
2306 | OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0x780000); | |
2307 | ||
2308 | tmp = INPLL(SPLL_CNTL); | |
2309 | OUTPLL(SPLL_CNTL, tmp & ~0x1); | |
2310 | mdelay(1); | |
2311 | tmp = INPLL(SPLL_CNTL); | |
2312 | OUTPLL(SPLL_CNTL, tmp & ~0x2); | |
2313 | mdelay(10); | |
2314 | ||
2315 | tmp = INPLL(SCLK_CNTL); | |
2316 | OUTPLL(SCLK_CNTL, tmp | 2); | |
2317 | mdelay(1); | |
2318 | ||
2319 | cko = INPLL(pllMDLL_CKO); | |
2320 | cka = INPLL(pllMDLL_RDCKA); | |
2321 | ckb = INPLL(pllMDLL_RDCKB); | |
2322 | ||
2323 | cko &= ~(MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOB_SLEEP); | |
2324 | OUTPLL(pllMDLL_CKO, cko); | |
2325 | mdelay(1); | |
2326 | cko &= ~(MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET); | |
2327 | OUTPLL(pllMDLL_CKO, cko); | |
2328 | mdelay(5); | |
2329 | ||
2330 | cka &= ~(MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP); | |
2331 | OUTPLL(pllMDLL_RDCKA, cka); | |
2332 | mdelay(1); | |
2333 | cka &= ~(MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET); | |
2334 | OUTPLL(pllMDLL_RDCKA, cka); | |
2335 | mdelay(5); | |
2336 | ||
2337 | ckb &= ~(MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP); | |
2338 | OUTPLL(pllMDLL_RDCKB, ckb); | |
2339 | mdelay(1); | |
2340 | ckb &= ~(MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET); | |
2341 | OUTPLL(pllMDLL_RDCKB, ckb); | |
2342 | mdelay(5); | |
2343 | ||
2344 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, 0x151550ff); | |
2345 | OUTREG(MC_IND_INDEX, 0); | |
2346 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, 0x151550ff); | |
2347 | OUTREG(MC_IND_INDEX, 0); | |
2348 | mdelay(1); | |
2349 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, 0x141550ff); | |
2350 | OUTREG(MC_IND_INDEX, 0); | |
2351 | OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, 0x141550ff); | |
2352 | OUTREG(MC_IND_INDEX, 0); | |
2353 | mdelay(1); | |
2354 | ||
2355 | OUTPLL(pllHTOTAL_CNTL, 0); | |
2356 | OUTPLL(pllHTOTAL2_CNTL, 0); | |
2357 | ||
2358 | OUTREG(MEM_CNTL, 0x29002901); | |
2359 | OUTREG(MEM_SDRAM_MODE_REG, 0x45320032); /* XXX use save_regs[35]? */ | |
2360 | OUTREG(EXT_MEM_CNTL, 0x1a394333); | |
2361 | OUTREG(MEM_IO_CNTL_A1, 0x0aac0aac); | |
2362 | OUTREG(MEM_INIT_LATENCY_TIMER, 0x34444444); | |
2363 | OUTREG(MEM_REFRESH_CNTL, 0x1f1f7218); /* XXX or save_regs[42]? */ | |
2364 | OUTREG(MC_DEBUG, 0); | |
2365 | OUTREG(MEM_IO_OE_CNTL, 0x04300430); | |
2366 | ||
2367 | OUTMC(rinfo, ixMC_IMP_CNTL, 0x00f460d6); | |
2368 | OUTREG(MC_IND_INDEX, 0); | |
2369 | OUTMC(rinfo, ixMC_IMP_CNTL_0, 0x00009249); | |
2370 | OUTREG(MC_IND_INDEX, 0); | |
2371 | ||
fe86175b | 2372 | OUTREG(CNFG_MEMSIZE, rinfo->video_ram); |
1da177e4 LT |
2373 | |
2374 | radeon_pm_full_reset_sdram(rinfo); | |
2375 | ||
2376 | INREG(FP_GEN_CNTL); | |
2377 | OUTREG(TMDS_CNTL, 0x01000000); /* XXX ? */ | |
2378 | tmp = INREG(FP_GEN_CNTL); | |
2379 | tmp |= FP_CRTC_DONT_SHADOW_HEND | FP_CRTC_DONT_SHADOW_VPAR | 0x200; | |
2380 | OUTREG(FP_GEN_CNTL, tmp); | |
2381 | ||
2382 | tmp = INREG(DISP_OUTPUT_CNTL); | |
2383 | tmp &= ~0x400; | |
2384 | OUTREG(DISP_OUTPUT_CNTL, tmp); | |
2385 | ||
2386 | OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]); | |
2387 | OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]); | |
2388 | OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]); | |
2389 | ||
2390 | tmp = INPLL(MCLK_MISC); | |
2391 | tmp |= MCLK_MISC__MC_MCLK_DYN_ENABLE | MCLK_MISC__IO_MCLK_DYN_ENABLE; | |
2392 | OUTPLL(MCLK_MISC, tmp); | |
2393 | ||
2394 | tmp = INPLL(SCLK_CNTL); | |
2395 | OUTPLL(SCLK_CNTL, tmp); | |
2396 | ||
2397 | OUTREG(CRTC_MORE_CNTL, 0); | |
2398 | OUTREG8(CRTC_GEN_CNTL+1, 6); | |
2399 | OUTREG8(CRTC_GEN_CNTL+3, 1); | |
2400 | OUTREG(CRTC_PITCH, 32); | |
2401 | ||
2402 | tmp = INPLL(VCLK_ECP_CNTL); | |
2403 | OUTPLL(VCLK_ECP_CNTL, tmp); | |
2404 | ||
2405 | tmp = INPLL(PPLL_CNTL); | |
2406 | OUTPLL(PPLL_CNTL, tmp); | |
2407 | ||
2408 | /* palette stuff and BIOS_1_SCRATCH... */ | |
2409 | ||
2410 | tmp = INREG(FP_GEN_CNTL); | |
2411 | tmp2 = INREG(TMDS_TRANSMITTER_CNTL); | |
2412 | tmp |= 2; | |
2413 | OUTREG(FP_GEN_CNTL, tmp); | |
2414 | mdelay(5); | |
2415 | OUTREG(FP_GEN_CNTL, tmp); | |
2416 | mdelay(5); | |
2417 | OUTREG(TMDS_TRANSMITTER_CNTL, tmp2); | |
2418 | OUTREG(CRTC_MORE_CNTL, 0); | |
2419 | mdelay(20); | |
2420 | ||
2421 | tmp = INREG(CRTC_MORE_CNTL); | |
2422 | OUTREG(CRTC_MORE_CNTL, tmp); | |
2423 | ||
2424 | cgc = INREG(CRTC_GEN_CNTL); | |
2425 | cec = INREG(CRTC_EXT_CNTL); | |
2426 | c2gc = INREG(CRTC2_GEN_CNTL); | |
2427 | ||
2428 | OUTREG(CRTC_H_SYNC_STRT_WID, 0x008e0580); | |
2429 | OUTREG(CRTC_H_TOTAL_DISP, 0x009f00d2); | |
2430 | OUTREG8(CLOCK_CNTL_INDEX, HTOTAL_CNTL + PLL_WR_EN); | |
2431 | radeon_pll_errata_after_index(rinfo); | |
2432 | OUTREG8(CLOCK_CNTL_DATA, 0); | |
2433 | radeon_pll_errata_after_data(rinfo); | |
2434 | OUTREG(CRTC_V_SYNC_STRT_WID, 0x00830403); | |
2435 | OUTREG(CRTC_V_TOTAL_DISP, 0x03ff0429); | |
2436 | OUTREG(FP_CRTC_H_TOTAL_DISP, 0x009f0033); | |
2437 | OUTREG(FP_H_SYNC_STRT_WID, 0x008e0080); | |
2438 | OUTREG(CRT_CRTC_H_SYNC_STRT_WID, 0x008e0080); | |
2439 | OUTREG(FP_CRTC_V_TOTAL_DISP, 0x03ff002a); | |
2440 | OUTREG(FP_V_SYNC_STRT_WID, 0x00830004); | |
2441 | OUTREG(CRT_CRTC_V_SYNC_STRT_WID, 0x00830004); | |
2442 | OUTREG(FP_HORZ_VERT_ACTIVE, 0x009f03ff); | |
2443 | OUTREG(FP_HORZ_STRETCH, 0); | |
2444 | OUTREG(FP_VERT_STRETCH, 0); | |
2445 | OUTREG(OVR_CLR, 0); | |
2446 | OUTREG(OVR_WID_LEFT_RIGHT, 0); | |
2447 | OUTREG(OVR_WID_TOP_BOTTOM, 0); | |
2448 | ||
2449 | tmp = INPLL(PPLL_REF_DIV); | |
2450 | tmp = (tmp & ~PPLL_REF_DIV_MASK) | rinfo->pll.ref_div; | |
2451 | OUTPLL(PPLL_REF_DIV, tmp); | |
2452 | INPLL(PPLL_REF_DIV); | |
2453 | ||
2454 | OUTREG8(CLOCK_CNTL_INDEX, PPLL_CNTL + PLL_WR_EN); | |
2455 | radeon_pll_errata_after_index(rinfo); | |
2456 | OUTREG8(CLOCK_CNTL_DATA + 1, 0xbc); | |
2457 | radeon_pll_errata_after_data(rinfo); | |
2458 | ||
2459 | tmp = INREG(CLOCK_CNTL_INDEX); | |
2460 | radeon_pll_errata_after_index(rinfo); | |
2461 | OUTREG(CLOCK_CNTL_INDEX, tmp & 0xff); | |
2462 | radeon_pll_errata_after_index(rinfo); | |
2463 | radeon_pll_errata_after_data(rinfo); | |
2464 | ||
2465 | OUTPLL(PPLL_DIV_0, 0x48090); | |
2466 | ||
2467 | tmp = INPLL(PPLL_CNTL); | |
2468 | OUTPLL(PPLL_CNTL, tmp & ~0x2); | |
2469 | mdelay(1); | |
2470 | tmp = INPLL(PPLL_CNTL); | |
2471 | OUTPLL(PPLL_CNTL, tmp & ~0x1); | |
2472 | mdelay(10); | |
2473 | ||
2474 | tmp = INPLL(VCLK_ECP_CNTL); | |
2475 | OUTPLL(VCLK_ECP_CNTL, tmp | 3); | |
2476 | mdelay(1); | |
2477 | ||
2478 | tmp = INPLL(VCLK_ECP_CNTL); | |
2479 | OUTPLL(VCLK_ECP_CNTL, tmp); | |
2480 | ||
2481 | c2gc |= CRTC2_DISP_REQ_EN_B; | |
2482 | OUTREG(CRTC2_GEN_CNTL, c2gc); | |
2483 | cgc |= CRTC_EN; | |
2484 | OUTREG(CRTC_GEN_CNTL, cgc); | |
2485 | OUTREG(CRTC_EXT_CNTL, cec); | |
2486 | OUTREG(CRTC_PITCH, 0xa0); | |
2487 | OUTREG(CRTC_OFFSET, 0); | |
2488 | OUTREG(CRTC_OFFSET_CNTL, 0); | |
2489 | ||
2490 | OUTREG(GRPH_BUFFER_CNTL, 0x20117c7c); | |
2491 | OUTREG(GRPH2_BUFFER_CNTL, 0x00205c5c); | |
2492 | ||
2493 | tmp2 = INREG(FP_GEN_CNTL); | |
2494 | tmp = INREG(TMDS_TRANSMITTER_CNTL); | |
2495 | OUTREG(0x2a8, 0x0000061b); | |
2496 | tmp |= TMDS_PLL_EN; | |
2497 | OUTREG(TMDS_TRANSMITTER_CNTL, tmp); | |
2498 | mdelay(1); | |
2499 | tmp &= ~TMDS_PLLRST; | |
2500 | OUTREG(TMDS_TRANSMITTER_CNTL, tmp); | |
2501 | tmp2 &= ~2; | |
2502 | tmp2 |= FP_TMDS_EN; | |
2503 | OUTREG(FP_GEN_CNTL, tmp2); | |
2504 | mdelay(5); | |
2505 | tmp2 |= FP_FPON; | |
2506 | OUTREG(FP_GEN_CNTL, tmp2); | |
2507 | ||
2508 | OUTREG(CUR_HORZ_VERT_OFF, CUR_LOCK | 1); | |
2509 | cgc = INREG(CRTC_GEN_CNTL); | |
2510 | OUTREG(CUR_HORZ_VERT_POSN, 0xbfff0fff); | |
2511 | cgc |= 0x10000; | |
2512 | OUTREG(CUR_OFFSET, 0); | |
2513 | } | |
2514 | #endif /* 0 */ | |
2515 | ||
758ddd1d | 2516 | #endif /* CONFIG_PPC */ |
1da177e4 | 2517 | |
18a0d89e BH |
2518 | static void radeonfb_whack_power_state(struct radeonfb_info *rinfo, pci_power_t state) |
2519 | { | |
2520 | u16 pwr_cmd; | |
2521 | ||
2522 | for (;;) { | |
2523 | pci_read_config_word(rinfo->pdev, | |
65122f7e | 2524 | rinfo->pdev->pm_cap + PCI_PM_CTRL, |
18a0d89e | 2525 | &pwr_cmd); |
65122f7e | 2526 | if (pwr_cmd & state) |
18a0d89e | 2527 | break; |
65122f7e | 2528 | pwr_cmd = (pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | state; |
18a0d89e | 2529 | pci_write_config_word(rinfo->pdev, |
65122f7e | 2530 | rinfo->pdev->pm_cap + PCI_PM_CTRL, |
18a0d89e BH |
2531 | pwr_cmd); |
2532 | msleep(500); | |
2533 | } | |
2534 | rinfo->pdev->current_state = state; | |
2535 | } | |
2536 | ||
1da177e4 LT |
2537 | static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) |
2538 | { | |
1da177e4 | 2539 | u32 tmp; |
1da177e4 | 2540 | |
65122f7e | 2541 | if (!rinfo->pdev->pm_cap) |
1da177e4 LT |
2542 | return; |
2543 | ||
2544 | /* Set the chip into appropriate suspend mode (we use D2, | |
2545 | * D3 would require a compete re-initialization of the chip, | |
2546 | * including PCI config registers, clocks, AGP conf, ...) | |
2547 | */ | |
2548 | if (suspend) { | |
2549 | printk(KERN_DEBUG "radeonfb (%s): switching to D2 state...\n", | |
2550 | pci_name(rinfo->pdev)); | |
2551 | ||
2552 | /* Disable dynamic power management of clocks for the | |
2553 | * duration of the suspend/resume process | |
2554 | */ | |
2555 | radeon_pm_disable_dynamic_mode(rinfo); | |
2556 | ||
2557 | /* Save some registers */ | |
2558 | radeon_pm_save_regs(rinfo, 0); | |
2559 | ||
2560 | /* Prepare mobility chips for suspend. | |
2561 | */ | |
2562 | if (rinfo->is_mobility) { | |
2563 | /* Program V2CLK */ | |
2564 | radeon_pm_program_v2clk(rinfo); | |
2565 | ||
2566 | /* Disable IO PADs */ | |
2567 | radeon_pm_disable_iopad(rinfo); | |
2568 | ||
2569 | /* Set low current */ | |
2570 | radeon_pm_low_current(rinfo); | |
2571 | ||
2572 | /* Prepare chip for power management */ | |
2573 | radeon_pm_setup_for_suspend(rinfo); | |
2574 | ||
2575 | if (rinfo->family <= CHIP_FAMILY_RV280) { | |
2576 | /* Reset the MDLL */ | |
2577 | /* because both INPLL and OUTPLL take the same | |
2578 | * lock, that's why. */ | |
2579 | tmp = INPLL( pllMDLL_CKO) | MDLL_CKO__MCKOA_RESET | |
2580 | | MDLL_CKO__MCKOB_RESET; | |
2581 | OUTPLL( pllMDLL_CKO, tmp ); | |
2582 | } | |
2583 | } | |
2584 | ||
44363f14 | 2585 | /* Switch PCI power management to D2. */ |
1da177e4 | 2586 | pci_disable_device(rinfo->pdev); |
1fb25cb8 | 2587 | pci_save_state(rinfo->pdev); |
18a0d89e BH |
2588 | /* The chip seems to need us to whack the PM register |
2589 | * repeatedly until it sticks. We do that -prior- to | |
2590 | * calling pci_set_power_state() | |
2591 | */ | |
2592 | radeonfb_whack_power_state(rinfo, PCI_D2); | |
b8e676d2 | 2593 | __pci_complete_power_transition(rinfo->pdev, PCI_D2); |
1da177e4 LT |
2594 | } else { |
2595 | printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n", | |
2596 | pci_name(rinfo->pdev)); | |
2597 | ||
1da177e4 LT |
2598 | if (rinfo->family <= CHIP_FAMILY_RV250) { |
2599 | /* Reset the SDRAM controller */ | |
2600 | radeon_pm_full_reset_sdram(rinfo); | |
2601 | ||
2602 | /* Restore some registers */ | |
2603 | radeon_pm_restore_regs(rinfo); | |
2604 | } else { | |
2605 | /* Restore registers first */ | |
2606 | radeon_pm_restore_regs(rinfo); | |
2607 | /* init sdram controller */ | |
2608 | radeon_pm_full_reset_sdram(rinfo); | |
2609 | } | |
2610 | } | |
2611 | } | |
2612 | ||
c78a7c2d | 2613 | int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) |
1da177e4 LT |
2614 | { |
2615 | struct fb_info *info = pci_get_drvdata(pdev); | |
2616 | struct radeonfb_info *rinfo = info->par; | |
1da177e4 | 2617 | |
c78a7c2d | 2618 | if (mesg.event == pdev->dev.power.power_state.event) |
1da177e4 LT |
2619 | return 0; |
2620 | ||
c78a7c2d DB |
2621 | printk(KERN_DEBUG "radeonfb (%s): suspending for event: %d...\n", |
2622 | pci_name(pdev), mesg.event); | |
1da177e4 LT |
2623 | |
2624 | /* For suspend-to-disk, we cheat here. We don't suspend anything and | |
2625 | * let fbcon continue drawing until we are all set. That shouldn't | |
2626 | * really cause any problem at this point, provided that the wakeup | |
2627 | * code knows that any state in memory may not match the HW | |
2628 | */ | |
c78a7c2d DB |
2629 | switch (mesg.event) { |
2630 | case PM_EVENT_FREEZE: /* about to take snapshot */ | |
2631 | case PM_EVENT_PRETHAW: /* before restoring snapshot */ | |
1da177e4 | 2632 | goto done; |
c78a7c2d | 2633 | } |
1da177e4 | 2634 | |
ac751efa | 2635 | console_lock(); |
1da177e4 LT |
2636 | |
2637 | fb_set_suspend(info, 1); | |
2638 | ||
2639 | if (!(info->flags & FBINFO_HWACCEL_DISABLED)) { | |
2640 | /* Make sure engine is reset */ | |
6c34bc29 | 2641 | radeon_engine_idle(); |
1da177e4 | 2642 | radeonfb_engine_reset(rinfo); |
6c34bc29 | 2643 | radeon_engine_idle(); |
1da177e4 LT |
2644 | } |
2645 | ||
2646 | /* Blank display and LCD */ | |
2647 | radeon_screen_blank(rinfo, FB_BLANK_POWERDOWN, 1); | |
2648 | ||
2649 | /* Sleep */ | |
2650 | rinfo->asleep = 1; | |
2651 | rinfo->lock_blank = 1; | |
2652 | del_timer_sync(&rinfo->lvds_timer); | |
2653 | ||
0c541b44 BH |
2654 | #ifdef CONFIG_PPC_PMAC |
2655 | /* On powermac, we have hooks to properly suspend/resume AGP now, | |
2656 | * use them here. We'll ultimately need some generic support here, | |
2657 | * but the generic code isn't quite ready for that yet | |
1da177e4 | 2658 | */ |
0c541b44 BH |
2659 | pmac_suspend_agp_for_card(pdev); |
2660 | #endif /* CONFIG_PPC_PMAC */ | |
1da177e4 | 2661 | |
1fb25cb8 BH |
2662 | /* It's unclear whether or when the generic code will do that, so let's |
2663 | * do it ourselves. We save state before we do any power management | |
2664 | */ | |
2665 | pci_save_state(pdev); | |
2666 | ||
1da177e4 LT |
2667 | /* If we support wakeup from poweroff, we save all regs we can including cfg |
2668 | * space | |
2669 | */ | |
2670 | if (rinfo->pm_mode & radeon_pm_off) { | |
2671 | /* Always disable dynamic clocks or weird things are happening when | |
2672 | * the chip goes off (basically the panel doesn't shut down properly | |
2673 | * and we crash on wakeup), | |
2674 | * also, we want the saved regs context to have no dynamic clocks in | |
2675 | * it, we'll restore the dynamic clocks state on wakeup | |
2676 | */ | |
2677 | radeon_pm_disable_dynamic_mode(rinfo); | |
2678 | mdelay(50); | |
2679 | radeon_pm_save_regs(rinfo, 1); | |
2680 | ||
2681 | if (rinfo->is_mobility && !(rinfo->pm_mode & radeon_pm_d2)) { | |
2682 | /* Switch off LVDS interface */ | |
2683 | mdelay(1); | |
2684 | OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_BL_MOD_EN)); | |
2685 | mdelay(1); | |
2686 | OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_EN | LVDS_ON)); | |
2687 | OUTREG(LVDS_PLL_CNTL, (INREG(LVDS_PLL_CNTL) & ~30000) | 0x20000); | |
2688 | mdelay(20); | |
2689 | OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_DIGON)); | |
2690 | } | |
1da177e4 LT |
2691 | pci_disable_device(pdev); |
2692 | } | |
2693 | /* If we support D2, we go to it (should be fixed later with a flag forcing | |
2694 | * D3 only for some laptops) | |
2695 | */ | |
2696 | if (rinfo->pm_mode & radeon_pm_d2) | |
2697 | radeon_set_suspend(rinfo, 1); | |
2698 | ||
ac751efa | 2699 | console_unlock(); |
1da177e4 LT |
2700 | |
2701 | done: | |
c78a7c2d | 2702 | pdev->dev.power.power_state = mesg; |
1da177e4 LT |
2703 | |
2704 | return 0; | |
2705 | } | |
2706 | ||
1fb25cb8 BH |
2707 | static int radeon_check_power_loss(struct radeonfb_info *rinfo) |
2708 | { | |
2709 | return rinfo->save_regs[4] != INPLL(CLK_PIN_CNTL) || | |
2710 | rinfo->save_regs[2] != INPLL(MCLK_CNTL) || | |
2711 | rinfo->save_regs[3] != INPLL(SCLK_CNTL); | |
2712 | } | |
2713 | ||
1da177e4 LT |
2714 | int radeonfb_pci_resume(struct pci_dev *pdev) |
2715 | { | |
2716 | struct fb_info *info = pci_get_drvdata(pdev); | |
2717 | struct radeonfb_info *rinfo = info->par; | |
2718 | int rc = 0; | |
2719 | ||
ca078bae | 2720 | if (pdev->dev.power.power_state.event == PM_EVENT_ON) |
1da177e4 LT |
2721 | return 0; |
2722 | ||
2723 | if (rinfo->no_schedule) { | |
ac751efa | 2724 | if (!console_trylock()) |
1da177e4 LT |
2725 | return 0; |
2726 | } else | |
ac751efa | 2727 | console_lock(); |
1da177e4 LT |
2728 | |
2729 | printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n", | |
ca078bae | 2730 | pci_name(pdev), pdev->dev.power.power_state.event); |
1da177e4 | 2731 | |
1fb25cb8 BH |
2732 | /* PCI state will have been restored by the core, so |
2733 | * we should be in D0 now with our config space fully | |
2734 | * restored | |
2735 | */ | |
ca078bae | 2736 | if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { |
1fb25cb8 BH |
2737 | /* Wakeup chip */ |
2738 | if ((rinfo->pm_mode & radeon_pm_off) && radeon_check_power_loss(rinfo)) { | |
1da177e4 LT |
2739 | if (rinfo->reinit_func != NULL) |
2740 | rinfo->reinit_func(rinfo); | |
2741 | else { | |
2742 | printk(KERN_ERR "radeonfb (%s): can't resume radeon from" | |
2743 | " D3 cold, need softboot !", pci_name(pdev)); | |
2744 | rc = -EIO; | |
2745 | goto bail; | |
2746 | } | |
2747 | } | |
2748 | /* If we support D2, try to resume... we should check what was our | |
2749 | * state though... (were we really in D2 state ?). Right now, this code | |
2750 | * is only enable on Macs so it's fine. | |
2751 | */ | |
2752 | else if (rinfo->pm_mode & radeon_pm_d2) | |
2753 | radeon_set_suspend(rinfo, 0); | |
2754 | ||
2755 | rinfo->asleep = 0; | |
2756 | } else | |
6c34bc29 | 2757 | radeon_engine_idle(); |
1da177e4 LT |
2758 | |
2759 | /* Restore display & engine */ | |
2760 | radeon_write_mode (rinfo, &rinfo->state, 1); | |
2761 | if (!(info->flags & FBINFO_HWACCEL_DISABLED)) | |
2762 | radeonfb_engine_init (rinfo); | |
2763 | ||
2764 | fb_pan_display(info, &info->var); | |
2765 | fb_set_cmap(&info->cmap, info); | |
2766 | ||
2767 | /* Refresh */ | |
2768 | fb_set_suspend(info, 0); | |
2769 | ||
2770 | /* Unblank */ | |
2771 | rinfo->lock_blank = 0; | |
2772 | radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 1); | |
2773 | ||
0c541b44 BH |
2774 | #ifdef CONFIG_PPC_PMAC |
2775 | /* On powermac, we have hooks to properly suspend/resume AGP now, | |
2776 | * use them here. We'll ultimately need some generic support here, | |
2777 | * but the generic code isn't quite ready for that yet | |
2778 | */ | |
2779 | pmac_resume_agp_for_card(pdev); | |
2780 | #endif /* CONFIG_PPC_PMAC */ | |
2781 | ||
2782 | ||
1da177e4 LT |
2783 | /* Check status of dynclk */ |
2784 | if (rinfo->dynclk == 1) | |
2785 | radeon_pm_enable_dynamic_mode(rinfo); | |
2786 | else if (rinfo->dynclk == 0) | |
2787 | radeon_pm_disable_dynamic_mode(rinfo); | |
2788 | ||
2789 | pdev->dev.power.power_state = PMSG_ON; | |
2790 | ||
2791 | bail: | |
ac751efa | 2792 | console_unlock(); |
1da177e4 LT |
2793 | |
2794 | return rc; | |
2795 | } | |
2796 | ||
758ddd1d | 2797 | #ifdef CONFIG_PPC__disabled |
1da177e4 LT |
2798 | static void radeonfb_early_resume(void *data) |
2799 | { | |
2800 | struct radeonfb_info *rinfo = data; | |
2801 | ||
2802 | rinfo->no_schedule = 1; | |
d801cec7 | 2803 | pci_restore_state(rinfo->pdev); |
1da177e4 LT |
2804 | radeonfb_pci_resume(rinfo->pdev); |
2805 | rinfo->no_schedule = 0; | |
2806 | } | |
758ddd1d | 2807 | #endif /* CONFIG_PPC */ |
1da177e4 LT |
2808 | |
2809 | #endif /* CONFIG_PM */ | |
2810 | ||
994aad25 | 2811 | void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep) |
1da177e4 | 2812 | { |
1da177e4 | 2813 | /* Enable/Disable dynamic clocks: TODO add sysfs access */ |
dd144713 | 2814 | if (rinfo->family == CHIP_FAMILY_RS480) |
2815 | rinfo->dynclk = -1; | |
2816 | else | |
2817 | rinfo->dynclk = dynclk; | |
2818 | ||
2819 | if (rinfo->dynclk == 1) { | |
1da177e4 LT |
2820 | radeon_pm_enable_dynamic_mode(rinfo); |
2821 | printk("radeonfb: Dynamic Clock Power Management enabled\n"); | |
dd144713 | 2822 | } else if (rinfo->dynclk == 0) { |
1da177e4 LT |
2823 | radeon_pm_disable_dynamic_mode(rinfo); |
2824 | printk("radeonfb: Dynamic Clock Power Management disabled\n"); | |
2825 | } | |
2826 | ||
a1909e63 | 2827 | #if defined(CONFIG_PM) |
994aad25 | 2828 | #if defined(CONFIG_PPC_PMAC) |
1da177e4 LT |
2829 | /* Check if we can power manage on suspend/resume. We can do |
2830 | * D2 on M6, M7 and M9, and we can resume from D3 cold a few other | |
2831 | * "Mac" cards, but that's all. We need more infos about what the | |
2832 | * BIOS does tho. Right now, all this PM stuff is pmac-only for that | |
2833 | * reason. --BenH | |
2834 | */ | |
e8222502 | 2835 | if (machine_is(powermac) && rinfo->of_node) { |
65122f7e | 2836 | if (rinfo->is_mobility && rinfo->pdev->pm_cap && |
1da177e4 LT |
2837 | rinfo->family <= CHIP_FAMILY_RV250) |
2838 | rinfo->pm_mode |= radeon_pm_d2; | |
2839 | ||
2840 | /* We can restart Jasper (M10 chip in albooks), BlueStone (7500 chip | |
14bfd1ff SH |
2841 | * in some desktop G4s), Via (M9+ chip on iBook G4) and |
2842 | * Snowy (M11 chip on iBook G4 manufactured after July 2005) | |
1da177e4 | 2843 | */ |
14bfd1ff SH |
2844 | if (!strcmp(rinfo->of_node->name, "ATY,JasperParent") || |
2845 | !strcmp(rinfo->of_node->name, "ATY,SnowyParent")) { | |
1da177e4 LT |
2846 | rinfo->reinit_func = radeon_reinitialize_M10; |
2847 | rinfo->pm_mode |= radeon_pm_off; | |
2848 | } | |
2849 | #if 0 /* Not ready yet */ | |
2850 | if (!strcmp(rinfo->of_node->name, "ATY,BlueStoneParent")) { | |
2851 | rinfo->reinit_func = radeon_reinitialize_QW; | |
2852 | rinfo->pm_mode |= radeon_pm_off; | |
2853 | } | |
2854 | #endif | |
2855 | if (!strcmp(rinfo->of_node->name, "ATY,ViaParent")) { | |
2856 | rinfo->reinit_func = radeon_reinitialize_M9P; | |
2857 | rinfo->pm_mode |= radeon_pm_off; | |
2858 | } | |
2859 | ||
2860 | /* If any of the above is set, we assume the machine can sleep/resume. | |
2861 | * It's a bit of a "shortcut" but will work fine. Ideally, we need infos | |
2862 | * from the platform about what happens to the chip... | |
2863 | * Now we tell the platform about our capability | |
2864 | */ | |
2865 | if (rinfo->pm_mode != radeon_pm_none) { | |
2866 | pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, rinfo->of_node, 0, 1); | |
d801cec7 BH |
2867 | #if 0 /* Disable the early video resume hack for now as it's causing problems, among |
2868 | * others we now rely on the PCI core restoring the config space for us, which | |
2869 | * isn't the case with that hack, and that code path causes various things to | |
2870 | * be called with interrupts off while they shouldn't. I'm leaving the code in | |
2871 | * as it can be useful for debugging purposes | |
2872 | */ | |
1da177e4 | 2873 | pmac_set_early_video_resume(radeonfb_early_resume, rinfo); |
d801cec7 | 2874 | #endif |
1da177e4 LT |
2875 | } |
2876 | ||
2877 | #if 0 | |
a4ce96ac | 2878 | /* Power down TV DAC, that saves a significant amount of power, |
1da177e4 LT |
2879 | * we'll have something better once we actually have some TVOut |
2880 | * support | |
2881 | */ | |
2882 | OUTREG(TV_DAC_CNTL, INREG(TV_DAC_CNTL) | 0x07000000); | |
2883 | #endif | |
2884 | } | |
a1909e63 CDH |
2885 | #endif /* defined(CONFIG_PPC_PMAC) */ |
2886 | #endif /* defined(CONFIG_PM) */ | |
994aad25 VB |
2887 | |
2888 | if (ignore_devlist) | |
2889 | printk(KERN_DEBUG | |
2890 | "radeonfb: skipping test for device workarounds\n"); | |
2891 | else | |
2892 | radeon_apply_workarounds(rinfo); | |
2893 | ||
2894 | if (force_sleep) { | |
2895 | printk(KERN_DEBUG | |
2896 | "radeonfb: forcefully enabling D2 sleep mode\n"); | |
2897 | rinfo->pm_mode |= radeon_pm_d2; | |
2898 | } | |
1da177e4 LT |
2899 | } |
2900 | ||
2901 | void radeonfb_pm_exit(struct radeonfb_info *rinfo) | |
2902 | { | |
a7fdd90b | 2903 | #if defined(CONFIG_PM) && defined(CONFIG_PPC_PMAC) |
1da177e4 LT |
2904 | if (rinfo->pm_mode != radeon_pm_none) |
2905 | pmac_set_early_video_resume(NULL, NULL); | |
2906 | #endif | |
2907 | } |