1// SPDX-License-Identifier: GPL-2.0 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 24#include <asm/machdep.h> 25#include <asm/pmac_feature.h> 26#endif 27 28#include "ati_ids.h" 29 30/* 31 * Workarounds for bugs in PC laptops: 32 * - enable D2 sleep in some IBM Thinkpads 33 * - special case for Samsung P35 34 * 35 * Whitelist by subsystem vendor/device because 36 * its the subsystem vendor's fault! 37 */ 38 39#if defined(CONFIG_PM) && defined(CONFIG_X86) 40static void radeon_reinitialize_M10(struct radeonfb_info *rinfo); 41 42struct radeon_device_id { 43 const char *ident; /* (arbitrary) Name */ 44 const unsigned short subsystem_vendor; /* Subsystem Vendor ID */ 45 const unsigned short subsystem_device; /* Subsystem Device ID */ 46 const enum radeon_pm_mode pm_mode_modifier; /* modify pm_mode */ 47 const reinit_function_ptr new_reinit_func; /* changed reinit_func */ 48}; 49 50#define BUGFIX(model, sv, sd, pm, fn) { \ 51 .ident = model, \ 52 .subsystem_vendor = sv, \ 53 .subsystem_device = sd, \ 54 .pm_mode_modifier = pm, \ 55 .new_reinit_func = fn \ 56} 57 58static struct radeon_device_id radeon_workaround_list[] = { 59 BUGFIX("IBM Thinkpad R32", 60 PCI_VENDOR_ID_IBM, 0x1905, 61 radeon_pm_d2, NULL), 62 BUGFIX("IBM Thinkpad R40", 63 PCI_VENDOR_ID_IBM, 0x0526, 64 radeon_pm_d2, NULL), 65 BUGFIX("IBM Thinkpad R40", 66 PCI_VENDOR_ID_IBM, 0x0527, 67 radeon_pm_d2, NULL), 68 BUGFIX("IBM Thinkpad R50/R51/T40/T41", 69 PCI_VENDOR_ID_IBM, 0x0531, 70 radeon_pm_d2, NULL), 71 BUGFIX("IBM Thinkpad R51/T40/T41/T42", 72 PCI_VENDOR_ID_IBM, 0x0530, 73 radeon_pm_d2, NULL), 74 BUGFIX("IBM Thinkpad T30", 75 PCI_VENDOR_ID_IBM, 0x0517, 76 radeon_pm_d2, NULL), 77 BUGFIX("IBM Thinkpad T40p", 78 PCI_VENDOR_ID_IBM, 0x054d, 79 radeon_pm_d2, NULL), 80 BUGFIX("IBM Thinkpad T42", 81 PCI_VENDOR_ID_IBM, 0x0550, 82 radeon_pm_d2, NULL), 83 BUGFIX("IBM Thinkpad X31/X32", 84 PCI_VENDOR_ID_IBM, 0x052f, 85 radeon_pm_d2, NULL), 86 BUGFIX("Samsung P35", 87 PCI_VENDOR_ID_SAMSUNG, 0xc00c, 88 radeon_pm_off, radeon_reinitialize_M10), 89 BUGFIX("Acer Aspire 2010", 90 PCI_VENDOR_ID_AI, 0x0061, 91 radeon_pm_off, radeon_reinitialize_M10), 92 BUGFIX("Acer Travelmate 290D/292LMi", 93 PCI_VENDOR_ID_AI, 0x005a, 94 radeon_pm_off, radeon_reinitialize_M10), 95 { .ident = NULL } 96}; 97 98static int radeon_apply_workarounds(struct radeonfb_info *rinfo) 99{ 100 struct radeon_device_id *id; 101 102 for (id = radeon_workaround_list; id->ident != NULL; id++ ) 103 if ((id->subsystem_vendor == rinfo->pdev->subsystem_vendor ) && 104 (id->subsystem_device == rinfo->pdev->subsystem_device )) { 105 106 /* we found a device that requires workaround */ 107 printk(KERN_DEBUG "radeonfb: %s detected" 108 ", enabling workaround\n", id->ident); 109 110 rinfo->pm_mode |= id->pm_mode_modifier; 111 112 if (id->new_reinit_func != NULL) 113 rinfo->reinit_func = id->new_reinit_func; 114 115 return 1; 116 } 117 return 0; /* not found */ 118} 119 120#else /* defined(CONFIG_PM) && defined(CONFIG_X86) */ 121static inline int radeon_apply_workarounds(struct radeonfb_info *rinfo) 122{ 123 return 0; 124} 125#endif /* defined(CONFIG_PM) && defined(CONFIG_X86) */ 126 127 128 129static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo) 130{ 131 u32 tmp; 132 133 /* RV100 */ 134 if ((rinfo->family == CHIP_FAMILY_RV100) && (!rinfo->is_mobility)) { 135 if (rinfo->has_CRTC2) { 136 tmp = INPLL(pllSCLK_CNTL); 137 tmp &= ~SCLK_CNTL__DYN_STOP_LAT_MASK; 138 tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT | SCLK_CNTL__FORCEON_MASK; 139 OUTPLL(pllSCLK_CNTL, tmp); 140 } 141 tmp = INPLL(pllMCLK_CNTL); 142 tmp |= (MCLK_CNTL__FORCE_MCLKA | 143 MCLK_CNTL__FORCE_MCLKB | 144 MCLK_CNTL__FORCE_YCLKA | 145 MCLK_CNTL__FORCE_YCLKB | 146 MCLK_CNTL__FORCE_AIC | 147 MCLK_CNTL__FORCE_MC); 148 OUTPLL(pllMCLK_CNTL, tmp); 149 return; 150 } 151 /* R100 */ 152 if (!rinfo->has_CRTC2) { 153 tmp = INPLL(pllSCLK_CNTL); 154 tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_HDP | 155 SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | 156 SCLK_CNTL__FORCE_E2 | SCLK_CNTL__FORCE_SE | 157 SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_VIP | 158 SCLK_CNTL__FORCE_RE | SCLK_CNTL__FORCE_PB | 159 SCLK_CNTL__FORCE_TAM | SCLK_CNTL__FORCE_TDM | 160 SCLK_CNTL__FORCE_RB); 161 OUTPLL(pllSCLK_CNTL, tmp); 162 return; 163 } 164 /* RV350 (M10/M11) */ 165 if (rinfo->family == CHIP_FAMILY_RV350) { 166 /* for RV350/M10/M11, no delays are required. */ 167 tmp = INPLL(pllSCLK_CNTL2); 168 tmp |= (SCLK_CNTL2__R300_FORCE_TCL | 169 SCLK_CNTL2__R300_FORCE_GA | 170 SCLK_CNTL2__R300_FORCE_CBA); 171 OUTPLL(pllSCLK_CNTL2, tmp); 172 173 tmp = INPLL(pllSCLK_CNTL); 174 tmp |= (SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP | 175 SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | 176 SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 | 177 SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT | 178 SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR | 179 SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX | 180 SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK | 181 SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0); 182 OUTPLL(pllSCLK_CNTL, tmp); 183 184 tmp = INPLL(pllSCLK_MORE_CNTL); 185 tmp |= (SCLK_MORE_CNTL__FORCE_DISPREGS | SCLK_MORE_CNTL__FORCE_MC_GUI | 186 SCLK_MORE_CNTL__FORCE_MC_HOST); 187 OUTPLL(pllSCLK_MORE_CNTL, tmp); 188 189 tmp = INPLL(pllMCLK_CNTL); 190 tmp |= (MCLK_CNTL__FORCE_MCLKA | 191 MCLK_CNTL__FORCE_MCLKB | 192 MCLK_CNTL__FORCE_YCLKA | 193 MCLK_CNTL__FORCE_YCLKB | 194 MCLK_CNTL__FORCE_MC); 195 OUTPLL(pllMCLK_CNTL, tmp); 196 197 tmp = INPLL(pllVCLK_ECP_CNTL); 198 tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | 199 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb | 200 VCLK_ECP_CNTL__R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF); 201 OUTPLL(pllVCLK_ECP_CNTL, tmp); 202 203 tmp = INPLL(pllPIXCLKS_CNTL); 204 tmp &= ~(PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | 205 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb | 206 PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | 207 PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb | 208 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb | 209 PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | 210 PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb | 211 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb | 212 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb | 213 PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb | 214 PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb | 215 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb | 216 PIXCLKS_CNTL__R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF); 217 OUTPLL(pllPIXCLKS_CNTL, tmp); 218 219 return; 220 } 221 222 /* Default */ 223 224 /* Force Core Clocks */ 225 tmp = INPLL(pllSCLK_CNTL); 226 tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_E2); 227 228 /* XFree doesn't do that case, but we had this code from Apple and it 229 * seem necessary for proper suspend/resume operations 230 */ 231 if (rinfo->is_mobility) { 232 tmp |= SCLK_CNTL__FORCE_HDP| 233 SCLK_CNTL__FORCE_DISP1| 234 SCLK_CNTL__FORCE_DISP2| 235 SCLK_CNTL__FORCE_TOP| 236 SCLK_CNTL__FORCE_SE| 237 SCLK_CNTL__FORCE_IDCT| 238 SCLK_CNTL__FORCE_VIP| 239 SCLK_CNTL__FORCE_PB| 240 SCLK_CNTL__FORCE_RE| 241 SCLK_CNTL__FORCE_TAM| 242 SCLK_CNTL__FORCE_TDM| 243 SCLK_CNTL__FORCE_RB| 244 SCLK_CNTL__FORCE_TV_SCLK| 245 SCLK_CNTL__FORCE_SUBPIC| 246 SCLK_CNTL__FORCE_OV0; 247 } 248 else if (rinfo->family == CHIP_FAMILY_R300 || 249 rinfo->family == CHIP_FAMILY_R350) { 250 tmp |= SCLK_CNTL__FORCE_HDP | 251 SCLK_CNTL__FORCE_DISP1 | 252 SCLK_CNTL__FORCE_DISP2 | 253 SCLK_CNTL__FORCE_TOP | 254 SCLK_CNTL__FORCE_IDCT | 255 SCLK_CNTL__FORCE_VIP; 256 } 257 OUTPLL(pllSCLK_CNTL, tmp); 258 radeon_msleep(16); 259 260 if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) { 261 tmp = INPLL(pllSCLK_CNTL2); 262 tmp |= SCLK_CNTL2__R300_FORCE_TCL | 263 SCLK_CNTL2__R300_FORCE_GA | 264 SCLK_CNTL2__R300_FORCE_CBA; 265 OUTPLL(pllSCLK_CNTL2, tmp); 266 radeon_msleep(16); 267 } 268 269 tmp = INPLL(pllCLK_PIN_CNTL); 270 tmp &= ~CLK_PIN_CNTL__SCLK_DYN_START_CNTL; 271 OUTPLL(pllCLK_PIN_CNTL, tmp); 272 radeon_msleep(15); 273 274 if (rinfo->is_IGP) { 275 /* Weird ... X is _un_ forcing clocks here, I think it's 276 * doing backward. Imitate it for now... 277 */ 278 tmp = INPLL(pllMCLK_CNTL); 279 tmp &= ~(MCLK_CNTL__FORCE_MCLKA | 280 MCLK_CNTL__FORCE_YCLKA); 281 OUTPLL(pllMCLK_CNTL, tmp); 282 radeon_msleep(16); 283 } 284 /* Hrm... same shit, X doesn't do that but I have to */ 285 else if (rinfo->is_mobility) { 286 tmp = INPLL(pllMCLK_CNTL); 287 tmp |= (MCLK_CNTL__FORCE_MCLKA | 288 MCLK_CNTL__FORCE_MCLKB | 289 MCLK_CNTL__FORCE_YCLKA | 290 MCLK_CNTL__FORCE_YCLKB); 291 OUTPLL(pllMCLK_CNTL, tmp); 292 radeon_msleep(16); 293 294 tmp = INPLL(pllMCLK_MISC); 295 tmp &= ~(MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT| 296 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT| 297 MCLK_MISC__MC_MCLK_DYN_ENABLE| 298 MCLK_MISC__IO_MCLK_DYN_ENABLE); 299 OUTPLL(pllMCLK_MISC, tmp); 300 radeon_msleep(15); 301 } 302 303 if (rinfo->is_mobility) { 304 tmp = INPLL(pllSCLK_MORE_CNTL); 305 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS| 306 SCLK_MORE_CNTL__FORCE_MC_GUI| 307 SCLK_MORE_CNTL__FORCE_MC_HOST; 308 OUTPLL(pllSCLK_MORE_CNTL, tmp); 309 radeon_msleep(16); 310 } 311 312 tmp = INPLL(pllPIXCLKS_CNTL); 313 tmp &= ~(PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | 314 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| 315 PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb | 316 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| 317 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb| 318 PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb| 319 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb); 320 OUTPLL(pllPIXCLKS_CNTL, tmp); 321 radeon_msleep(16); 322 323 tmp = INPLL( pllVCLK_ECP_CNTL); 324 tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | 325 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); 326 OUTPLL( pllVCLK_ECP_CNTL, tmp); 327 radeon_msleep(16); 328} 329 330static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) 331{ 332 u32 tmp; 333 334 /* R100 */ 335 if (!rinfo->has_CRTC2) { 336 tmp = INPLL(pllSCLK_CNTL); 337 338 if ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13) 339 tmp &= ~(SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_RB); 340 tmp &= ~(SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | 341 SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_SE | 342 SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_RE | 343 SCLK_CNTL__FORCE_PB | SCLK_CNTL__FORCE_TAM | 344 SCLK_CNTL__FORCE_TDM); 345 OUTPLL(pllSCLK_CNTL, tmp); 346 return; 347 } 348 349 /* M10/M11 */ 350 if (rinfo->family == CHIP_FAMILY_RV350) { 351 tmp = INPLL(pllSCLK_CNTL2); 352 tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL | 353 SCLK_CNTL2__R300_FORCE_GA | 354 SCLK_CNTL2__R300_FORCE_CBA); 355 tmp |= (SCLK_CNTL2__R300_TCL_MAX_DYN_STOP_LAT | 356 SCLK_CNTL2__R300_GA_MAX_DYN_STOP_LAT | 357 SCLK_CNTL2__R300_CBA_MAX_DYN_STOP_LAT); 358 OUTPLL(pllSCLK_CNTL2, tmp); 359 360 tmp = INPLL(pllSCLK_CNTL); 361 tmp &= ~(SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP | 362 SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | 363 SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 | 364 SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT | 365 SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR | 366 SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX | 367 SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK | 368 SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0); 369 tmp |= SCLK_CNTL__DYN_STOP_LAT_MASK; 370 OUTPLL(pllSCLK_CNTL, tmp); 371 372 tmp = INPLL(pllSCLK_MORE_CNTL); 373 tmp &= ~SCLK_MORE_CNTL__FORCEON; 374 tmp |= SCLK_MORE_CNTL__DISPREGS_MAX_DYN_STOP_LAT | 375 SCLK_MORE_CNTL__MC_GUI_MAX_DYN_STOP_LAT | 376 SCLK_MORE_CNTL__MC_HOST_MAX_DYN_STOP_LAT; 377 OUTPLL(pllSCLK_MORE_CNTL, tmp); 378 379 tmp = INPLL(pllVCLK_ECP_CNTL); 380 tmp |= (VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | 381 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); 382 OUTPLL(pllVCLK_ECP_CNTL, tmp); 383 384 tmp = INPLL(pllPIXCLKS_CNTL); 385 tmp |= (PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | 386 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb | 387 PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | 388 PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb | 389 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb | 390 PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | 391 PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb | 392 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb | 393 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb | 394 PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb | 395 PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb | 396 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb | 397 PIXCLKS_CNTL__R300_P2G2CLK_DAC_ALWAYS_ONb); 398 OUTPLL(pllPIXCLKS_CNTL, tmp); 399 400 tmp = INPLL(pllMCLK_MISC); 401 tmp |= (MCLK_MISC__MC_MCLK_DYN_ENABLE | 402 MCLK_MISC__IO_MCLK_DYN_ENABLE); 403 OUTPLL(pllMCLK_MISC, tmp); 404 405 tmp = INPLL(pllMCLK_CNTL); 406 tmp |= (MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB); 407 tmp &= ~(MCLK_CNTL__FORCE_YCLKA | 408 MCLK_CNTL__FORCE_YCLKB | 409 MCLK_CNTL__FORCE_MC); 410 411 /* Some releases of vbios have set DISABLE_MC_MCLKA 412 * and DISABLE_MC_MCLKB bits in the vbios table. Setting these 413 * bits will cause H/W hang when reading video memory with dynamic 414 * clocking enabled. 415 */ 416 if ((tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKA) && 417 (tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKB)) { 418 /* If both bits are set, then check the active channels */ 419 tmp = INPLL(pllMCLK_CNTL); 420 if (rinfo->vram_width == 64) { 421 if (INREG(MEM_CNTL) & R300_MEM_USE_CD_CH_ONLY) 422 tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKB; 423 else 424 tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKA; 425 } else { 426 tmp &= ~(MCLK_CNTL__R300_DISABLE_MC_MCLKA | 427 MCLK_CNTL__R300_DISABLE_MC_MCLKB); 428 } 429 } 430 OUTPLL(pllMCLK_CNTL, tmp); 431 return; 432 } 433 434 /* R300 */ 435 if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) { 436 tmp = INPLL(pllSCLK_CNTL); 437 tmp &= ~(SCLK_CNTL__R300_FORCE_VAP); 438 tmp |= SCLK_CNTL__FORCE_CP; 439 OUTPLL(pllSCLK_CNTL, tmp); 440 radeon_msleep(15); 441 442 tmp = INPLL(pllSCLK_CNTL2); 443 tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL | 444 SCLK_CNTL2__R300_FORCE_GA | 445 SCLK_CNTL2__R300_FORCE_CBA); 446 OUTPLL(pllSCLK_CNTL2, tmp); 447 } 448 449 /* Others */ 450 451 tmp = INPLL( pllCLK_PWRMGT_CNTL); 452 tmp &= ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK| 453 CLK_PWRMGT_CNTL__DISP_DYN_STOP_LAT_MASK| 454 CLK_PWRMGT_CNTL__DYN_STOP_MODE_MASK); 455 tmp |= CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE_MASK | 456 (0x01 << CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT__SHIFT); 457 OUTPLL( pllCLK_PWRMGT_CNTL, tmp); 458 radeon_msleep(15); 459 460 tmp = INPLL(pllCLK_PIN_CNTL); 461 tmp |= CLK_PIN_CNTL__SCLK_DYN_START_CNTL; 462 OUTPLL(pllCLK_PIN_CNTL, tmp); 463 radeon_msleep(15); 464 465 /* When DRI is enabled, setting DYN_STOP_LAT to zero can cause some R200 466 * to lockup randomly, leave them as set by BIOS. 467 */ 468 tmp = INPLL(pllSCLK_CNTL); 469 tmp &= ~SCLK_CNTL__FORCEON_MASK; 470 471 /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300*/ 472 if ((rinfo->family == CHIP_FAMILY_RV250 && 473 ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) || 474 ((rinfo->family == CHIP_FAMILY_RV100) && 475 ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) { 476 tmp |= SCLK_CNTL__FORCE_CP; 477 tmp |= SCLK_CNTL__FORCE_VIP; 478 } 479 OUTPLL(pllSCLK_CNTL, tmp); 480 radeon_msleep(15); 481 482 if ((rinfo->family == CHIP_FAMILY_RV200) || 483 (rinfo->family == CHIP_FAMILY_RV250) || 484 (rinfo->family == CHIP_FAMILY_RV280)) { 485 tmp = INPLL(pllSCLK_MORE_CNTL); 486 tmp &= ~SCLK_MORE_CNTL__FORCEON; 487 488 /* RV200::A11 A12 RV250::A11 A12 */ 489 if (((rinfo->family == CHIP_FAMILY_RV200) || 490 (rinfo->family == CHIP_FAMILY_RV250)) && 491 ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) 492 tmp |= SCLK_MORE_CNTL__FORCEON; 493 494 OUTPLL(pllSCLK_MORE_CNTL, tmp); 495 radeon_msleep(15); 496 } 497 498 499 /* RV200::A11 A12, RV250::A11 A12 */ 500 if (((rinfo->family == CHIP_FAMILY_RV200) || 501 (rinfo->family == CHIP_FAMILY_RV250)) && 502 ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) { 503 tmp = INPLL(pllPLL_PWRMGT_CNTL); 504 tmp |= PLL_PWRMGT_CNTL__TCL_BYPASS_DISABLE; 505 OUTPLL(pllPLL_PWRMGT_CNTL, tmp); 506 radeon_msleep(15); 507 } 508 509 tmp = INPLL(pllPIXCLKS_CNTL); 510 tmp |= PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | 511 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb| 512 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| 513 PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb| 514 PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb| 515 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| 516 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb; 517 OUTPLL(pllPIXCLKS_CNTL, tmp); 518 radeon_msleep(15); 519 520 tmp = INPLL(pllVCLK_ECP_CNTL); 521 tmp |= VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | 522 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb; 523 OUTPLL(pllVCLK_ECP_CNTL, tmp); 524 525 /* X doesn't do that ... hrm, we do on mobility && Macs */ 526#ifdef CONFIG_PPC 527 if (rinfo->is_mobility) { 528 tmp = INPLL(pllMCLK_CNTL); 529 tmp &= ~(MCLK_CNTL__FORCE_MCLKA | 530 MCLK_CNTL__FORCE_MCLKB | 531 MCLK_CNTL__FORCE_YCLKA | 532 MCLK_CNTL__FORCE_YCLKB); 533 OUTPLL(pllMCLK_CNTL, tmp); 534 radeon_msleep(15); 535 536 tmp = INPLL(pllMCLK_MISC); 537 tmp |= MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT| 538 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT| 539 MCLK_MISC__MC_MCLK_DYN_ENABLE| 540 MCLK_MISC__IO_MCLK_DYN_ENABLE; 541 OUTPLL(pllMCLK_MISC, tmp); 542 radeon_msleep(15); 543 } 544#endif /* CONFIG_PPC */ 545} 546 547#ifdef CONFIG_PM 548 549static void OUTMC( struct radeonfb_info *rinfo, u8 indx, u32 value) 550{ 551 OUTREG( MC_IND_INDEX, indx | MC_IND_INDEX__MC_IND_WR_EN); 552 OUTREG( MC_IND_DATA, value); 553} 554 555static u32 INMC(struct radeonfb_info *rinfo, u8 indx) 556{ 557 OUTREG( MC_IND_INDEX, indx); 558 return INREG( MC_IND_DATA); 559} 560 561static void radeon_pm_save_regs(struct radeonfb_info *rinfo, int saving_for_d3) 562{ 563 rinfo->save_regs[0] = INPLL(PLL_PWRMGT_CNTL); 564 rinfo->save_regs[1] = INPLL(CLK_PWRMGT_CNTL); 565 rinfo->save_regs[2] = INPLL(MCLK_CNTL); 566 rinfo->save_regs[3] = INPLL(SCLK_CNTL); 567 rinfo->save_regs[4] = INPLL(CLK_PIN_CNTL); 568 rinfo->save_regs[5] = INPLL(VCLK_ECP_CNTL); 569 rinfo->save_regs[6] = INPLL(PIXCLKS_CNTL); 570 rinfo->save_regs[7] = INPLL(MCLK_MISC); 571 rinfo->save_regs[8] = INPLL(P2PLL_CNTL); 572 573 rinfo->save_regs[9] = INREG(DISP_MISC_CNTL); 574 rinfo->save_regs[10] = INREG(DISP_PWR_MAN); 575 rinfo->save_regs[11] = INREG(LVDS_GEN_CNTL); 576 rinfo->save_regs[13] = INREG(TV_DAC_CNTL); 577 rinfo->save_regs[14] = INREG(BUS_CNTL1); 578 rinfo->save_regs[15] = INREG(CRTC_OFFSET_CNTL); 579 rinfo->save_regs[16] = INREG(AGP_CNTL); 580 rinfo->save_regs[17] = (INREG(CRTC_GEN_CNTL) & 0xfdffffff) | 0x04000000; 581 rinfo->save_regs[18] = (INREG(CRTC2_GEN_CNTL) & 0xfdffffff) | 0x04000000; 582 rinfo->save_regs[19] = INREG(GPIOPAD_A); 583 rinfo->save_regs[20] = INREG(GPIOPAD_EN); 584 rinfo->save_regs[21] = INREG(GPIOPAD_MASK); 585 rinfo->save_regs[22] = INREG(ZV_LCDPAD_A); 586 rinfo->save_regs[23] = INREG(ZV_LCDPAD_EN); 587 rinfo->save_regs[24] = INREG(ZV_LCDPAD_MASK); 588 rinfo->save_regs[25] = INREG(GPIO_VGA_DDC); 589 rinfo->save_regs[26] = INREG(GPIO_DVI_DDC); 590 rinfo->save_regs[27] = INREG(GPIO_MONID); 591 rinfo->save_regs[28] = INREG(GPIO_CRT2_DDC); 592 593 rinfo->save_regs[29] = INREG(SURFACE_CNTL); 594 rinfo->save_regs[30] = INREG(MC_FB_LOCATION); 595 rinfo->save_regs[31] = INREG(DISPLAY_BASE_ADDR); 596 rinfo->save_regs[32] = INREG(MC_AGP_LOCATION); 597 rinfo->save_regs[33] = INREG(CRTC2_DISPLAY_BASE_ADDR); 598 599 rinfo->save_regs[34] = INPLL(SCLK_MORE_CNTL); 600 rinfo->save_regs[35] = INREG(MEM_SDRAM_MODE_REG); 601 rinfo->save_regs[36] = INREG(BUS_CNTL); 602 rinfo->save_regs[39] = INREG(RBBM_CNTL); 603 rinfo->save_regs[40] = INREG(DAC_CNTL); 604 rinfo->save_regs[41] = INREG(HOST_PATH_CNTL); 605 rinfo->save_regs[37] = INREG(MPP_TB_CONFIG); 606 rinfo->save_regs[38] = INREG(FCP_CNTL); 607 608 if (rinfo->is_mobility) { 609 rinfo->save_regs[12] = INREG(LVDS_PLL_CNTL); 610 rinfo->save_regs[43] = INPLL(pllSSPLL_CNTL); 611 rinfo->save_regs[44] = INPLL(pllSSPLL_REF_DIV); 612 rinfo->save_regs[45] = INPLL(pllSSPLL_DIV_0); 613 rinfo->save_regs[90] = INPLL(pllSS_INT_CNTL); 614 rinfo->save_regs[91] = INPLL(pllSS_TST_CNTL); 615 rinfo->save_regs[81] = INREG(LVDS_GEN_CNTL); 616 } 617 618 if (rinfo->family >= CHIP_FAMILY_RV200) { 619 rinfo->save_regs[42] = INREG(MEM_REFRESH_CNTL); 620 rinfo->save_regs[46] = INREG(MC_CNTL); 621 rinfo->save_regs[47] = INREG(MC_INIT_GFX_LAT_TIMER); 622 rinfo->save_regs[48] = INREG(MC_INIT_MISC_LAT_TIMER); 623 rinfo->save_regs[49] = INREG(MC_TIMING_CNTL); 624 rinfo->save_regs[50] = INREG(MC_READ_CNTL_AB); 625 rinfo->save_regs[51] = INREG(MC_IOPAD_CNTL); 626 rinfo->save_regs[52] = INREG(MC_CHIP_IO_OE_CNTL_AB); 627 rinfo->save_regs[53] = INREG(MC_DEBUG); 628 } 629 rinfo->save_regs[54] = INREG(PAMAC0_DLY_CNTL); 630 rinfo->save_regs[55] = INREG(PAMAC1_DLY_CNTL); 631 rinfo->save_regs[56] = INREG(PAD_CTLR_MISC); 632 rinfo->save_regs[57] = INREG(FW_CNTL); 633 634 if (rinfo->family >= CHIP_FAMILY_R300) { 635 rinfo->save_regs[58] = INMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER); 636 rinfo->save_regs[59] = INMC(rinfo, ixR300_MC_IMP_CNTL); 637 rinfo->save_regs[60] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0); 638 rinfo->save_regs[61] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1); 639 rinfo->save_regs[62] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0); 640 rinfo->save_regs[63] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1); 641 rinfo->save_regs[64] = INMC(rinfo, ixR300_MC_BIST_CNTL_3); 642 rinfo->save_regs[65] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0); 643 rinfo->save_regs[66] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1); 644 rinfo->save_regs[67] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0); 645 rinfo->save_regs[68] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1); 646 rinfo->save_regs[69] = INMC(rinfo, ixR300_MC_DEBUG_CNTL); 647 rinfo->save_regs[70] = INMC(rinfo, ixR300_MC_DLL_CNTL); 648 rinfo->save_regs[71] = INMC(rinfo, ixR300_MC_IMP_CNTL_0); 649 rinfo->save_regs[72] = INMC(rinfo, ixR300_MC_ELPIDA_CNTL); 650 rinfo->save_regs[96] = INMC(rinfo, ixR300_MC_READ_CNTL_CD); 651 } else { 652 rinfo->save_regs[59] = INMC(rinfo, ixMC_IMP_CNTL); 653 rinfo->save_regs[65] = INMC(rinfo, ixMC_CHP_IO_CNTL_A0); 654 rinfo->save_regs[66] = INMC(rinfo, ixMC_CHP_IO_CNTL_A1); 655 rinfo->save_regs[67] = INMC(rinfo, ixMC_CHP_IO_CNTL_B0); 656 rinfo->save_regs[68] = INMC(rinfo, ixMC_CHP_IO_CNTL_B1); 657 rinfo->save_regs[71] = INMC(rinfo, ixMC_IMP_CNTL_0); 658 } 659 660 rinfo->save_regs[73] = INPLL(pllMPLL_CNTL); 661 rinfo->save_regs[74] = INPLL(pllSPLL_CNTL); 662 rinfo->save_regs[75] = INPLL(pllMPLL_AUX_CNTL); 663 rinfo->save_regs[76] = INPLL(pllSPLL_AUX_CNTL); 664 rinfo->save_regs[77] = INPLL(pllM_SPLL_REF_FB_DIV); 665 rinfo->save_regs[78] = INPLL(pllAGP_PLL_CNTL); 666 rinfo->save_regs[79] = INREG(PAMAC2_DLY_CNTL); 667 668 rinfo->save_regs[80] = INREG(OV0_BASE_ADDR); 669 rinfo->save_regs[82] = INREG(FP_GEN_CNTL); 670 rinfo->save_regs[83] = INREG(FP2_GEN_CNTL); 671 rinfo->save_regs[84] = INREG(TMDS_CNTL); 672 rinfo->save_regs[85] = INREG(TMDS_TRANSMITTER_CNTL); 673 rinfo->save_regs[86] = INREG(DISP_OUTPUT_CNTL); 674 rinfo->save_regs[87] = INREG(DISP_HW_DEBUG); 675 rinfo->save_regs[88] = INREG(TV_MASTER_CNTL); 676 rinfo->save_regs[89] = INPLL(pllP2PLL_REF_DIV); 677 rinfo->save_regs[92] = INPLL(pllPPLL_DIV_0); 678 rinfo->save_regs[93] = INPLL(pllPPLL_CNTL); 679 rinfo->save_regs[94] = INREG(GRPH_BUFFER_CNTL); 680 rinfo->save_regs[95] = INREG(GRPH2_BUFFER_CNTL); 681 rinfo->save_regs[96] = INREG(HDP_DEBUG); 682 rinfo->save_regs[97] = INPLL(pllMDLL_CKO); 683 rinfo->save_regs[98] = INPLL(pllMDLL_RDCKA); 684 rinfo->save_regs[99] = INPLL(pllMDLL_RDCKB); 685} 686 687static void radeon_pm_restore_regs(struct radeonfb_info *rinfo) 688{ 689 OUTPLL(P2PLL_CNTL, rinfo->save_regs[8] & 0xFFFFFFFE); /* First */ 690 691 OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]); 692 OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]); 693 OUTPLL(MCLK_CNTL, rinfo->save_regs[2]); 694 OUTPLL(SCLK_CNTL, rinfo->save_regs[3]); 695 OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]); 696 OUTPLL(VCLK_ECP_CNTL, rinfo->save_regs[5]); 697 OUTPLL(PIXCLKS_CNTL, rinfo->save_regs[6]); 698 OUTPLL(MCLK_MISC, rinfo->save_regs[7]); 699 if (rinfo->family == CHIP_FAMILY_RV350) 700 OUTPLL(SCLK_MORE_CNTL, rinfo->save_regs[34]); 701 702 OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); 703 OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); 704 OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); 705 OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); 706 OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); 707 OUTREG(CNFG_MEMSIZE, rinfo->video_ram); 708 709 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); 710 OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]); 711 OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11]); 712 OUTREG(LVDS_PLL_CNTL,rinfo->save_regs[12]); 713 OUTREG(TV_DAC_CNTL, rinfo->save_regs[13]); 714 OUTREG(BUS_CNTL1, rinfo->save_regs[14]); 715 OUTREG(CRTC_OFFSET_CNTL, rinfo->save_regs[15]); 716 OUTREG(AGP_CNTL, rinfo->save_regs[16]); 717 OUTREG(CRTC_GEN_CNTL, rinfo->save_regs[17]); 718 OUTREG(CRTC2_GEN_CNTL, rinfo->save_regs[18]); 719 OUTPLL(P2PLL_CNTL, rinfo->save_regs[8]); 720 721 OUTREG(GPIOPAD_A, rinfo->save_regs[19]); 722 OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); 723 OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); 724 OUTREG(ZV_LCDPAD_A, rinfo->save_regs[22]); 725 OUTREG(ZV_LCDPAD_EN, rinfo->save_regs[23]); 726 OUTREG(ZV_LCDPAD_MASK, rinfo->save_regs[24]); 727 OUTREG(GPIO_VGA_DDC, rinfo->save_regs[25]); 728 OUTREG(GPIO_DVI_DDC, rinfo->save_regs[26]); 729 OUTREG(GPIO_MONID, rinfo->save_regs[27]); 730 OUTREG(GPIO_CRT2_DDC, rinfo->save_regs[28]); 731} 732 733static void radeon_pm_disable_iopad(struct radeonfb_info *rinfo) 734{ 735 OUTREG(GPIOPAD_MASK, 0x0001ffff); 736 OUTREG(GPIOPAD_EN, 0x00000400); 737 OUTREG(GPIOPAD_A, 0x00000000); 738 OUTREG(ZV_LCDPAD_MASK, 0x00000000); 739 OUTREG(ZV_LCDPAD_EN, 0x00000000); 740 OUTREG(ZV_LCDPAD_A, 0x00000000); 741 OUTREG(GPIO_VGA_DDC, 0x00030000); 742 OUTREG(GPIO_DVI_DDC, 0x00000000); 743 OUTREG(GPIO_MONID, 0x00030000); 744 OUTREG(GPIO_CRT2_DDC, 0x00000000); 745} 746 747static void radeon_pm_program_v2clk(struct radeonfb_info *rinfo) 748{ 749 /* Set v2clk to 65MHz */ 750 if (rinfo->family <= CHIP_FAMILY_RV280) { 751 OUTPLL(pllPIXCLKS_CNTL, 752 __INPLL(rinfo, pllPIXCLKS_CNTL) 753 & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK); 754 755 OUTPLL(pllP2PLL_REF_DIV, 0x0000000c); 756 OUTPLL(pllP2PLL_CNTL, 0x0000bf00); 757 } else { 758 OUTPLL(pllP2PLL_REF_DIV, 0x0000000c); 759 INPLL(pllP2PLL_REF_DIV); 760 OUTPLL(pllP2PLL_CNTL, 0x0000a700); 761 } 762 763 OUTPLL(pllP2PLL_DIV_0, 0x00020074 | P2PLL_DIV_0__P2PLL_ATOMIC_UPDATE_W); 764 765 OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_SLEEP); 766 mdelay(1); 767 768 OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_RESET); 769 mdelay( 1); 770 771 OUTPLL(pllPIXCLKS_CNTL, 772 (INPLL(pllPIXCLKS_CNTL) & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK) 773 | (0x03 << PIXCLKS_CNTL__PIX2CLK_SRC_SEL__SHIFT)); 774 mdelay( 1); 775} 776 777static void radeon_pm_low_current(struct radeonfb_info *rinfo) 778{ 779 u32 reg; 780 781 reg = INREG(BUS_CNTL1); 782 if (rinfo->family <= CHIP_FAMILY_RV280) { 783 reg &= ~BUS_CNTL1_MOBILE_PLATFORM_SEL_MASK; 784 reg |= BUS_CNTL1_AGPCLK_VALID | (1<<BUS_CNTL1_MOBILE_PLATFORM_SEL_SHIFT); 785 } else { 786 reg |= 0x4080; 787 } 788 OUTREG(BUS_CNTL1, reg); 789 790 reg = INPLL(PLL_PWRMGT_CNTL); 791 reg |= PLL_PWRMGT_CNTL_SPLL_TURNOFF | PLL_PWRMGT_CNTL_PPLL_TURNOFF | 792 PLL_PWRMGT_CNTL_P2PLL_TURNOFF | PLL_PWRMGT_CNTL_TVPLL_TURNOFF; 793 reg &= ~PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK; 794 reg &= ~PLL_PWRMGT_CNTL_MOBILE_SU; 795 OUTPLL(PLL_PWRMGT_CNTL, reg); 796 797 reg = INREG(TV_DAC_CNTL); 798 reg &= ~(TV_DAC_CNTL_BGADJ_MASK |TV_DAC_CNTL_DACADJ_MASK); 799 reg |=TV_DAC_CNTL_BGSLEEP | TV_DAC_CNTL_RDACPD | TV_DAC_CNTL_GDACPD | 800 TV_DAC_CNTL_BDACPD | 801 (8<<TV_DAC_CNTL_BGADJ__SHIFT) | (8<<TV_DAC_CNTL_DACADJ__SHIFT); 802 OUTREG(TV_DAC_CNTL, reg); 803 804 reg = INREG(TMDS_TRANSMITTER_CNTL); 805 reg &= ~(TMDS_PLL_EN | TMDS_PLLRST); 806 OUTREG(TMDS_TRANSMITTER_CNTL, reg); 807 808 reg = INREG(DAC_CNTL); 809 reg &= ~DAC_CMP_EN; 810 OUTREG(DAC_CNTL, reg); 811 812 reg = INREG(DAC_CNTL2); 813 reg &= ~DAC2_CMP_EN; 814 OUTREG(DAC_CNTL2, reg); 815 816 reg = INREG(TV_DAC_CNTL); 817 reg &= ~TV_DAC_CNTL_DETECT; 818 OUTREG(TV_DAC_CNTL, reg); 819} 820 821static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo) 822{ 823 824 u32 sclk_cntl, mclk_cntl, sclk_more_cntl; 825 826 u32 pll_pwrmgt_cntl; 827 u32 clk_pwrmgt_cntl; 828 u32 clk_pin_cntl; 829 u32 vclk_ecp_cntl; 830 u32 pixclks_cntl; 831 u32 disp_mis_cntl; 832 u32 disp_pwr_man; 833 u32 tmp; 834 835 /* Force Core Clocks */ 836 sclk_cntl = INPLL( pllSCLK_CNTL); 837 sclk_cntl |= SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT| 838 SCLK_CNTL__VIP_MAX_DYN_STOP_LAT| 839 SCLK_CNTL__RE_MAX_DYN_STOP_LAT| 840 SCLK_CNTL__PB_MAX_DYN_STOP_LAT| 841 SCLK_CNTL__TAM_MAX_DYN_STOP_LAT| 842 SCLK_CNTL__TDM_MAX_DYN_STOP_LAT| 843 SCLK_CNTL__RB_MAX_DYN_STOP_LAT| 844 845 SCLK_CNTL__FORCE_DISP2| 846 SCLK_CNTL__FORCE_CP| 847 SCLK_CNTL__FORCE_HDP| 848 SCLK_CNTL__FORCE_DISP1| 849 SCLK_CNTL__FORCE_TOP| 850 SCLK_CNTL__FORCE_E2| 851 SCLK_CNTL__FORCE_SE| 852 SCLK_CNTL__FORCE_IDCT| 853 SCLK_CNTL__FORCE_VIP| 854 855 SCLK_CNTL__FORCE_PB| 856 SCLK_CNTL__FORCE_TAM| 857 SCLK_CNTL__FORCE_TDM| 858 SCLK_CNTL__FORCE_RB| 859 SCLK_CNTL__FORCE_TV_SCLK| 860 SCLK_CNTL__FORCE_SUBPIC| 861 SCLK_CNTL__FORCE_OV0; 862 if (rinfo->family <= CHIP_FAMILY_RV280) 863 sclk_cntl |= SCLK_CNTL__FORCE_RE; 864 else 865 sclk_cntl |= SCLK_CNTL__SE_MAX_DYN_STOP_LAT | 866 SCLK_CNTL__E2_MAX_DYN_STOP_LAT | 867 SCLK_CNTL__TV_MAX_DYN_STOP_LAT | 868 SCLK_CNTL__HDP_MAX_DYN_STOP_LAT | 869 SCLK_CNTL__CP_MAX_DYN_STOP_LAT; 870 871 OUTPLL( pllSCLK_CNTL, sclk_cntl); 872 873 sclk_more_cntl = INPLL(pllSCLK_MORE_CNTL); 874 sclk_more_cntl |= SCLK_MORE_CNTL__FORCE_DISPREGS | 875 SCLK_MORE_CNTL__FORCE_MC_GUI | 876 SCLK_MORE_CNTL__FORCE_MC_HOST; 877 878 OUTPLL(pllSCLK_MORE_CNTL, sclk_more_cntl); 879 880 881 mclk_cntl = INPLL( pllMCLK_CNTL); 882 mclk_cntl &= ~( MCLK_CNTL__FORCE_MCLKA | 883 MCLK_CNTL__FORCE_MCLKB | 884 MCLK_CNTL__FORCE_YCLKA | 885 MCLK_CNTL__FORCE_YCLKB | 886 MCLK_CNTL__FORCE_MC 887 ); 888 OUTPLL( pllMCLK_CNTL, mclk_cntl); 889 890 /* Force Display clocks */ 891 vclk_ecp_cntl = INPLL( pllVCLK_ECP_CNTL); 892 vclk_ecp_cntl &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb 893 | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); 894 vclk_ecp_cntl |= VCLK_ECP_CNTL__ECP_FORCE_ON; 895 OUTPLL( pllVCLK_ECP_CNTL, vclk_ecp_cntl); 896 897 898 pixclks_cntl = INPLL( pllPIXCLKS_CNTL); 899 pixclks_cntl &= ~( PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | 900 PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| 901 PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb | 902 PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| 903 PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb| 904 PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb| 905 PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb); 906 907 OUTPLL( pllPIXCLKS_CNTL, pixclks_cntl); 908 909 /* Switch off LVDS interface */ 910 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & 911 ~(LVDS_BLON | LVDS_EN | LVDS_ON | LVDS_DIGON)); 912 913 /* Enable System power management */ 914 pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL); 915 916 pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__SPLL_TURNOFF | 917 PLL_PWRMGT_CNTL__MPLL_TURNOFF| 918 PLL_PWRMGT_CNTL__PPLL_TURNOFF| 919 PLL_PWRMGT_CNTL__P2PLL_TURNOFF| 920 PLL_PWRMGT_CNTL__TVPLL_TURNOFF; 921 922 OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl); 923 924 clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL); 925 926 clk_pwrmgt_cntl &= ~( CLK_PWRMGT_CNTL__MPLL_PWRMGT_OFF| 927 CLK_PWRMGT_CNTL__SPLL_PWRMGT_OFF| 928 CLK_PWRMGT_CNTL__PPLL_PWRMGT_OFF| 929 CLK_PWRMGT_CNTL__P2PLL_PWRMGT_OFF| 930 CLK_PWRMGT_CNTL__MCLK_TURNOFF| 931 CLK_PWRMGT_CNTL__SCLK_TURNOFF| 932 CLK_PWRMGT_CNTL__PCLK_TURNOFF| 933 CLK_PWRMGT_CNTL__P2CLK_TURNOFF| 934 CLK_PWRMGT_CNTL__TVPLL_PWRMGT_OFF| 935 CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN| 936 CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE| 937 CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK| 938 CLK_PWRMGT_CNTL__CG_NO1_DEBUG_MASK 939 ); 940 941 clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN 942 | CLK_PWRMGT_CNTL__DISP_PM; 943 944 OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl); 945 946 clk_pin_cntl = INPLL( pllCLK_PIN_CNTL); 947 948 clk_pin_cntl &= ~CLK_PIN_CNTL__ACCESS_REGS_IN_SUSPEND; 949 950 /* because both INPLL and OUTPLL take the same lock, that's why. */ 951 tmp = INPLL( pllMCLK_MISC) | MCLK_MISC__EN_MCLK_TRISTATE_IN_SUSPEND; 952 OUTPLL( pllMCLK_MISC, tmp); 953 954 /* BUS_CNTL1__MOBILE_PLATORM_SEL setting is northbridge chipset 955 * and radeon chip dependent. Thus we only enable it on Mac for 956 * now (until we get more info on how to compute the correct 957 * value for various X86 bridges). 958 */ 959#ifdef CONFIG_PPC_PMAC 960 if (machine_is(powermac)) { 961 /* AGP PLL control */ 962 if (rinfo->family <= CHIP_FAMILY_RV280) { 963 OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) | BUS_CNTL1__AGPCLK_VALID); 964 OUTREG(BUS_CNTL1, 965 (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK) 966 | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT)); // 440BX 967 } else { 968 OUTREG(BUS_CNTL1, INREG(BUS_CNTL1)); 969 OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000); 970 } 971 } 972#endif 973 974 OUTREG(CRTC_OFFSET_CNTL, (INREG(CRTC_OFFSET_CNTL) 975 & ~CRTC_OFFSET_CNTL__CRTC_STEREO_SYNC_OUT_EN)); 976 977 clk_pin_cntl &= ~CLK_PIN_CNTL__CG_CLK_TO_OUTPIN; 978 clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb; 979 OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl); 980 981 /* Solano2M */ 982 OUTREG(AGP_CNTL, 983 (INREG(AGP_CNTL) & ~(AGP_CNTL__MAX_IDLE_CLK_MASK)) 984 | (0x20<<AGP_CNTL__MAX_IDLE_CLK__SHIFT)); 985 986 /* ACPI mode */ 987 /* because both INPLL and OUTPLL take the same lock, that's why. */ 988 tmp = INPLL( pllPLL_PWRMGT_CNTL) & ~PLL_PWRMGT_CNTL__PM_MODE_SEL; 989 OUTPLL( pllPLL_PWRMGT_CNTL, tmp); 990 991 992 disp_mis_cntl = INREG(DISP_MISC_CNTL); 993 994 disp_mis_cntl &= ~( DISP_MISC_CNTL__SOFT_RESET_GRPH_PP | 995 DISP_MISC_CNTL__SOFT_RESET_SUBPIC_PP | 996 DISP_MISC_CNTL__SOFT_RESET_OV0_PP | 997 DISP_MISC_CNTL__SOFT_RESET_GRPH_SCLK| 998 DISP_MISC_CNTL__SOFT_RESET_SUBPIC_SCLK| 999 DISP_MISC_CNTL__SOFT_RESET_OV0_SCLK| 1000 DISP_MISC_CNTL__SOFT_RESET_GRPH2_PP| 1001 DISP_MISC_CNTL__SOFT_RESET_GRPH2_SCLK| 1002 DISP_MISC_CNTL__SOFT_RESET_LVDS| 1003 DISP_MISC_CNTL__SOFT_RESET_TMDS| 1004 DISP_MISC_CNTL__SOFT_RESET_DIG_TMDS| 1005 DISP_MISC_CNTL__SOFT_RESET_TV); 1006 1007 OUTREG(DISP_MISC_CNTL, disp_mis_cntl); 1008 1009 disp_pwr_man = INREG(DISP_PWR_MAN); 1010 1011 disp_pwr_man &= ~( DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN | 1012 DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN | 1013 DISP_PWR_MAN__DISP_PWR_MAN_DPMS_MASK| 1014 DISP_PWR_MAN__DISP_D3_RST| 1015 DISP_PWR_MAN__DISP_D3_REG_RST 1016 ); 1017 1018 disp_pwr_man |= DISP_PWR_MAN__DISP_D3_GRPH_RST| 1019 DISP_PWR_MAN__DISP_D3_SUBPIC_RST| 1020 DISP_PWR_MAN__DISP_D3_OV0_RST| 1021 DISP_PWR_MAN__DISP_D1D2_GRPH_RST| 1022 DISP_PWR_MAN__DISP_D1D2_SUBPIC_RST| 1023 DISP_PWR_MAN__DISP_D1D2_OV0_RST| 1024 DISP_PWR_MAN__DIG_TMDS_ENABLE_RST| 1025 DISP_PWR_MAN__TV_ENABLE_RST| 1026// DISP_PWR_MAN__AUTO_PWRUP_EN| 1027 0; 1028 1029 OUTREG(DISP_PWR_MAN, disp_pwr_man); 1030 1031 clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL); 1032 pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL) ; 1033 clk_pin_cntl = INPLL( pllCLK_PIN_CNTL); 1034 disp_pwr_man = INREG(DISP_PWR_MAN); 1035 1036 1037 /* D2 */ 1038 clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__DISP_PM; 1039 pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__MOBILE_SU | PLL_PWRMGT_CNTL__SU_SCLK_USE_BCLK; 1040 clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb; 1041 disp_pwr_man &= ~(DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN_MASK 1042 | DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN_MASK); 1043 1044 OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl); 1045 OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl); 1046 OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl); 1047 OUTREG(DISP_PWR_MAN, disp_pwr_man); 1048 1049 /* disable display request & disable display */ 1050 OUTREG( CRTC_GEN_CNTL, (INREG( CRTC_GEN_CNTL) & ~CRTC_GEN_CNTL__CRTC_EN) 1051 | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B); 1052 OUTREG( CRTC2_GEN_CNTL, (INREG( CRTC2_GEN_CNTL) & ~CRTC2_GEN_CNTL__CRTC2_EN) 1053 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B); 1054 1055 mdelay(17); 1056 1057} 1058 1059static void radeon_pm_yclk_mclk_sync(struct radeonfb_info *rinfo) 1060{ 1061 u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1; 1062 1063 mc_chp_io_cntl_a1 = INMC( rinfo, ixMC_CHP_IO_CNTL_A1) 1064 & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK; 1065 mc_chp_io_cntl_b1 = INMC( rinfo, ixMC_CHP_IO_CNTL_B1) 1066 & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK; 1067 1068 OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1 1069 | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT)); 1070 OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1 1071 | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT)); 1072 1073 OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1); 1074 OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1); 1075 1076 mdelay( 1); 1077} 1078 1079static void radeon_pm_yclk_mclk_sync_m10(struct radeonfb_info *rinfo) 1080{ 1081 u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1; 1082 1083 mc_chp_io_cntl_a1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1) 1084 & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK; 1085 mc_chp_io_cntl_b1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1) 1086 & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK; 1087 1088 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1, 1089 mc_chp_io_cntl_a1 | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT)); 1090 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1, 1091 mc_chp_io_cntl_b1 | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT)); 1092 1093 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1); 1094 OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1); 1095 1096 mdelay( 1); 1097} 1098 1099static void radeon_pm_program_mode_reg(struct radeonfb_info *rinfo, u16 value, 1100 u8 delay_required) 1101{ 1102 u32 mem_sdram_mode; 1103 1104 mem_sdram_mode = INREG( MEM_SDRAM_MODE_REG); 1105 1106 mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK; 1107 mem_sdram_mode |= (value<<MEM_SDRAM_MODE_REG__MEM_MODE_REG__SHIFT) 1108 | MEM_SDRAM_MODE_REG__MEM_CFG_TYPE; 1109 OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); 1110 if (delay_required >= 2) 1111 mdelay(1); 1112 1113 mem_sdram_mode |= MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET; 1114 OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); 1115 if (delay_required >= 2) 1116 mdelay(1); 1117 1118 mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET; 1119 OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); 1120 if (delay_required >= 2) 1121 mdelay(1); 1122 1123 if (delay_required) { 1124 do { 1125 if (delay_required >= 2) 1126 mdelay(1); 1127 } while ((INREG(MC_STATUS) 1128 & (MC_STATUS__MEM_PWRUP_COMPL_A | 1129 MC_STATUS__MEM_PWRUP_COMPL_B)) == 0); 1130 } 1131} 1132 1133static void radeon_pm_m10_program_mode_wait(struct radeonfb_info *rinfo) 1134{ 1135 int cnt; 1136 1137 for (cnt = 0; cnt < 100; ++cnt) { 1138 mdelay(1); 1139 if (INREG(MC_STATUS) & (MC_STATUS__MEM_PWRUP_COMPL_A 1140 | MC_STATUS__MEM_PWRUP_COMPL_B)) 1141 break; 1142 } 1143} 1144 1145 1146static void radeon_pm_enable_dll(struct radeonfb_info *rinfo) 1147{ 1148#define DLL_RESET_DELAY 5 1149#define DLL_SLEEP_DELAY 1 1150 1151 u32 cko = INPLL(pllMDLL_CKO) | MDLL_CKO__MCKOA_SLEEP 1152 | MDLL_CKO__MCKOA_RESET; 1153 u32 cka = INPLL(pllMDLL_RDCKA) | MDLL_RDCKA__MRDCKA0_SLEEP 1154 | MDLL_RDCKA__MRDCKA1_SLEEP | MDLL_RDCKA__MRDCKA0_RESET 1155 | MDLL_RDCKA__MRDCKA1_RESET; 1156 u32 ckb = INPLL(pllMDLL_RDCKB) | MDLL_RDCKB__MRDCKB0_SLEEP 1157 | MDLL_RDCKB__MRDCKB1_SLEEP | MDLL_RDCKB__MRDCKB0_RESET 1158 | MDLL_RDCKB__MRDCKB1_RESET; 1159 1160 /* Setting up the DLL range for write */ 1161 OUTPLL(pllMDLL_CKO, cko); 1162 OUTPLL(pllMDLL_RDCKA, cka); 1163 OUTPLL(pllMDLL_RDCKB, ckb); 1164 1165 mdelay(DLL_RESET_DELAY*2); 1166 1167 cko &= ~(MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOB_SLEEP); 1168 OUTPLL(pllMDLL_CKO, cko); 1169 mdelay(DLL_SLEEP_DELAY); 1170 cko &= ~(MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET); 1171 OUTPLL(pllMDLL_CKO, cko); 1172 mdelay(DLL_RESET_DELAY); 1173 1174 cka &= ~(MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP); 1175 OUTPLL(pllMDLL_RDCKA, cka); 1176 mdelay(DLL_SLEEP_DELAY); 1177 cka &= ~(MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET); 1178 OUTPLL(pllMDLL_RDCKA, cka); 1179 mdelay(DLL_RESET_DELAY); 1180 1181 ckb &= ~(MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP); 1182 OUTPLL(pllMDLL_RDCKB, ckb); 1183 mdelay(DLL_SLEEP_DELAY); 1184 ckb &= ~(MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET); 1185 OUTPLL(pllMDLL_RDCKB, ckb); 1186 mdelay(DLL_RESET_DELAY); 1187 1188 1189#undef DLL_RESET_DELAY 1190#undef DLL_SLEEP_DELAY 1191} 1192 1193static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo) 1194{ 1195 u32 dll_value; 1196 u32 dll_sleep_mask = 0; 1197 u32 dll_reset_mask = 0; 1198 u32 mc; 1199 1200#define DLL_RESET_DELAY 5 1201#define DLL_SLEEP_DELAY 1 1202 1203 OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); 1204 mc = INREG(MC_CNTL); 1205 /* Check which channels are enabled */ 1206 switch (mc & 0x3) { 1207 case 1: 1208 if (mc & 0x4) 1209 break; 1210 fallthrough; 1211 case 2: 1212 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP; 1213 dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET; 1214 fallthrough; 1215 case 0: 1216 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKA_SLEEP; 1217 dll_reset_mask |= MDLL_R300_RDCK__MRDCKA_RESET; 1218 } 1219 switch (mc & 0x3) { 1220 case 1: 1221 if (!(mc & 0x4)) 1222 break; 1223 fallthrough; 1224 case 2: 1225 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKD_SLEEP; 1226 dll_reset_mask |= MDLL_R300_RDCK__MRDCKD_RESET; 1227 dll_sleep_mask |= MDLL_R300_RDCK__MRDCKC_SLEEP; 1228 dll_reset_mask |= MDLL_R300_RDCK__MRDCKC_RESET; 1229 } 1230 1231 dll_value = INPLL(pllMDLL_RDCKA); 1232 1233 /* Power Up */ 1234 dll_value &= ~(dll_sleep_mask); 1235 OUTPLL(pllMDLL_RDCKA, dll_value); 1236 mdelay( DLL_SLEEP_DELAY); 1237 1238 dll_value &= ~(dll_reset_mask); 1239 OUTPLL(pllMDLL_RDCKA, dll_value); 1240 mdelay( DLL_RESET_DELAY); 1241 1242#undef DLL_RESET_DELAY 1243#undef DLL_SLEEP_DELAY 1244} 1245 1246 1247static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo) 1248{ 1249 u32 crtcGenCntl, crtcGenCntl2, memRefreshCntl, crtc_more_cntl, 1250 fp_gen_cntl, fp2_gen_cntl; 1251 1252 crtcGenCntl = INREG( CRTC_GEN_CNTL); 1253 crtcGenCntl2 = INREG( CRTC2_GEN_CNTL); 1254 1255 crtc_more_cntl = INREG( CRTC_MORE_CNTL); 1256 fp_gen_cntl = INREG( FP_GEN_CNTL); 1257 fp2_gen_cntl = INREG( FP2_GEN_CNTL); 1258 1259 1260 OUTREG( CRTC_MORE_CNTL, 0); 1261 OUTREG( FP_GEN_CNTL, 0); 1262 OUTREG( FP2_GEN_CNTL,0); 1263 1264 OUTREG( CRTC_GEN_CNTL, (crtcGenCntl | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B) ); 1265 OUTREG( CRTC2_GEN_CNTL, (crtcGenCntl2 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B) ); 1266 1267 /* This is the code for the Aluminium PowerBooks M10 / iBooks M11 */ 1268 if (rinfo->family == CHIP_FAMILY_RV350) { 1269 u32 sdram_mode_reg = rinfo->save_regs[35]; 1270 static const u32 default_mrtable[] = 1271 { 0x21320032, 1272 0x21321000, 0xa1321000, 0x21321000, 0xffffffff, 1273 0x21320032, 0xa1320032, 0x21320032, 0xffffffff, 1274 0x21321002, 0xa1321002, 0x21321002, 0xffffffff, 1275 0x21320132, 0xa1320132, 0x21320132, 0xffffffff, 1276 0x21320032, 0xa1320032, 0x21320032, 0xffffffff, 1277 0x31320032 }; 1278 1279 const u32 *mrtable = default_mrtable; 1280 int i, mrtable_size = ARRAY_SIZE(default_mrtable); 1281 1282 mdelay(30); 1283 1284 /* Disable refresh */ 1285 memRefreshCntl = INREG( MEM_REFRESH_CNTL) 1286 & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; 1287 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl 1288 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); 1289 1290 /* Configure and enable M & SPLLs */ 1291 radeon_pm_enable_dll_m10(rinfo); 1292 radeon_pm_yclk_mclk_sync_m10(rinfo); 1293 1294#ifdef CONFIG_PPC 1295 if (rinfo->of_node != NULL) { 1296 int size; 1297 1298 mrtable = of_get_property(rinfo->of_node, "ATY,MRT", &size); 1299 if (mrtable) 1300 mrtable_size = size >> 2; 1301 else 1302 mrtable = default_mrtable; 1303 } 1304#endif /* CONFIG_PPC */ 1305 1306 /* Program the SDRAM */ 1307 sdram_mode_reg = mrtable[0]; 1308 OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg); 1309 for (i = 0; i < mrtable_size; i++) { 1310 if (mrtable[i] == 0xffffffffu) 1311 radeon_pm_m10_program_mode_wait(rinfo); 1312 else { 1313 sdram_mode_reg &= ~(MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK 1314 | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE 1315 | MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET); 1316 sdram_mode_reg |= mrtable[i]; 1317 1318 OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg); 1319 mdelay(1); 1320 } 1321 } 1322 1323 /* Restore memory refresh */ 1324 OUTREG(MEM_REFRESH_CNTL, memRefreshCntl); 1325 mdelay(30); 1326 1327 } 1328 /* Here come the desktop RV200 "QW" card */ 1329 else if (!rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV200) { 1330 /* Disable refresh */ 1331 memRefreshCntl = INREG( MEM_REFRESH_CNTL) 1332 & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; 1333 OUTREG(MEM_REFRESH_CNTL, memRefreshCntl 1334 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); 1335 mdelay(30); 1336 1337 /* Reset memory */ 1338 OUTREG(MEM_SDRAM_MODE_REG, 1339 INREG( MEM_SDRAM_MODE_REG) & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1340 1341 radeon_pm_program_mode_reg(rinfo, 0x2002, 2); 1342 radeon_pm_program_mode_reg(rinfo, 0x0132, 2); 1343 radeon_pm_program_mode_reg(rinfo, 0x0032, 2); 1344 1345 OUTREG(MEM_SDRAM_MODE_REG, 1346 INREG(MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1347 1348 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl); 1349 1350 } 1351 /* The M6 */ 1352 else if (rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV100) { 1353 /* Disable refresh */ 1354 memRefreshCntl = INREG(EXT_MEM_CNTL) & ~(1 << 20); 1355 OUTREG( EXT_MEM_CNTL, memRefreshCntl | (1 << 20)); 1356 1357 /* Reset memory */ 1358 OUTREG( MEM_SDRAM_MODE_REG, 1359 INREG( MEM_SDRAM_MODE_REG) 1360 & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1361 1362 /* DLL */ 1363 radeon_pm_enable_dll(rinfo); 1364 1365 /* MLCK / YCLK sync */ 1366 radeon_pm_yclk_mclk_sync(rinfo); 1367 1368 /* Program Mode Register */ 1369 radeon_pm_program_mode_reg(rinfo, 0x2000, 1); 1370 radeon_pm_program_mode_reg(rinfo, 0x2001, 1); 1371 radeon_pm_program_mode_reg(rinfo, 0x2002, 1); 1372 radeon_pm_program_mode_reg(rinfo, 0x0132, 1); 1373 radeon_pm_program_mode_reg(rinfo, 0x0032, 1); 1374 1375 /* Complete & re-enable refresh */ 1376 OUTREG( MEM_SDRAM_MODE_REG, 1377 INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1378 1379 OUTREG(EXT_MEM_CNTL, memRefreshCntl); 1380 } 1381 /* And finally, the M7..M9 models, including M9+ (RV280) */ 1382 else if (rinfo->is_mobility) { 1383 1384 /* Disable refresh */ 1385 memRefreshCntl = INREG( MEM_REFRESH_CNTL) 1386 & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; 1387 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl 1388 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); 1389 1390 /* Reset memory */ 1391 OUTREG( MEM_SDRAM_MODE_REG, 1392 INREG( MEM_SDRAM_MODE_REG) 1393 & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1394 1395 /* DLL */ 1396 radeon_pm_enable_dll(rinfo); 1397 1398 /* MLCK / YCLK sync */ 1399 radeon_pm_yclk_mclk_sync(rinfo); 1400 1401 /* M6, M7 and M9 so far ... */ 1402 if (rinfo->family <= CHIP_FAMILY_RV250) { 1403 radeon_pm_program_mode_reg(rinfo, 0x2000, 1); 1404 radeon_pm_program_mode_reg(rinfo, 0x2001, 1); 1405 radeon_pm_program_mode_reg(rinfo, 0x2002, 1); 1406 radeon_pm_program_mode_reg(rinfo, 0x0132, 1); 1407 radeon_pm_program_mode_reg(rinfo, 0x0032, 1); 1408 } 1409 /* M9+ (iBook G4) */ 1410 else if (rinfo->family == CHIP_FAMILY_RV280) { 1411 radeon_pm_program_mode_reg(rinfo, 0x2000, 1); 1412 radeon_pm_program_mode_reg(rinfo, 0x0132, 1); 1413 radeon_pm_program_mode_reg(rinfo, 0x0032, 1); 1414 } 1415 1416 /* Complete & re-enable refresh */ 1417 OUTREG( MEM_SDRAM_MODE_REG, 1418 INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1419 1420 OUTREG( MEM_REFRESH_CNTL, memRefreshCntl); 1421 } 1422 1423 OUTREG( CRTC_GEN_CNTL, crtcGenCntl); 1424 OUTREG( CRTC2_GEN_CNTL, crtcGenCntl2); 1425 OUTREG( FP_GEN_CNTL, fp_gen_cntl); 1426 OUTREG( FP2_GEN_CNTL, fp2_gen_cntl); 1427 1428 OUTREG( CRTC_MORE_CNTL, crtc_more_cntl); 1429 1430 mdelay( 15); 1431} 1432 1433#if defined(CONFIG_X86) || defined(CONFIG_PPC_PMAC) 1434static void radeon_pm_reset_pad_ctlr_strength(struct radeonfb_info *rinfo) 1435{ 1436 u32 tmp, tmp2; 1437 int i,j; 1438 1439 /* Reset the PAD_CTLR_STRENGTH & wait for it to be stable */ 1440 INREG(PAD_CTLR_STRENGTH); 1441 OUTREG(PAD_CTLR_STRENGTH, INREG(PAD_CTLR_STRENGTH) & ~PAD_MANUAL_OVERRIDE); 1442 tmp = INREG(PAD_CTLR_STRENGTH); 1443 for (i = j = 0; i < 65; ++i) { 1444 mdelay(1); 1445 tmp2 = INREG(PAD_CTLR_STRENGTH); 1446 if (tmp != tmp2) { 1447 tmp = tmp2; 1448 i = 0; 1449 j++; 1450 if (j > 10) { 1451 printk(KERN_WARNING "radeon: PAD_CTLR_STRENGTH doesn't " 1452 "stabilize !\n"); 1453 break; 1454 } 1455 } 1456 } 1457} 1458 1459static void radeon_pm_all_ppls_off(struct radeonfb_info *rinfo) 1460{ 1461 u32 tmp; 1462 1463 tmp = INPLL(pllPPLL_CNTL); 1464 OUTPLL(pllPPLL_CNTL, tmp | 0x3); 1465 tmp = INPLL(pllP2PLL_CNTL); 1466 OUTPLL(pllP2PLL_CNTL, tmp | 0x3); 1467 tmp = INPLL(pllSPLL_CNTL); 1468 OUTPLL(pllSPLL_CNTL, tmp | 0x3); 1469 tmp = INPLL(pllMPLL_CNTL); 1470 OUTPLL(pllMPLL_CNTL, tmp | 0x3); 1471} 1472 1473static void radeon_pm_start_mclk_sclk(struct radeonfb_info *rinfo) 1474{ 1475 u32 tmp; 1476 1477 /* Switch SPLL to PCI source */ 1478 tmp = INPLL(pllSCLK_CNTL); 1479 OUTPLL(pllSCLK_CNTL, tmp & ~SCLK_CNTL__SCLK_SRC_SEL_MASK); 1480 1481 /* Reconfigure SPLL charge pump, VCO gain, duty cycle */ 1482 tmp = INPLL(pllSPLL_CNTL); 1483 OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN); 1484 radeon_pll_errata_after_index(rinfo); 1485 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); 1486 radeon_pll_errata_after_data(rinfo); 1487 1488 /* Set SPLL feedback divider */ 1489 tmp = INPLL(pllM_SPLL_REF_FB_DIV); 1490 tmp = (tmp & 0xff00fffful) | (rinfo->save_regs[77] & 0x00ff0000ul); 1491 OUTPLL(pllM_SPLL_REF_FB_DIV, tmp); 1492 1493 /* Power up SPLL */ 1494 tmp = INPLL(pllSPLL_CNTL); 1495 OUTPLL(pllSPLL_CNTL, tmp & ~1); 1496 (void)INPLL(pllSPLL_CNTL); 1497 1498 mdelay(10); 1499 1500 /* Release SPLL reset */ 1501 tmp = INPLL(pllSPLL_CNTL); 1502 OUTPLL(pllSPLL_CNTL, tmp & ~0x2); 1503 (void)INPLL(pllSPLL_CNTL); 1504 1505 mdelay(10); 1506 1507 /* Select SCLK source */ 1508 tmp = INPLL(pllSCLK_CNTL); 1509 tmp &= ~SCLK_CNTL__SCLK_SRC_SEL_MASK; 1510 tmp |= rinfo->save_regs[3] & SCLK_CNTL__SCLK_SRC_SEL_MASK; 1511 OUTPLL(pllSCLK_CNTL, tmp); 1512 (void)INPLL(pllSCLK_CNTL); 1513 1514 mdelay(10); 1515 1516 /* Reconfigure MPLL charge pump, VCO gain, duty cycle */ 1517 tmp = INPLL(pllMPLL_CNTL); 1518 OUTREG8(CLOCK_CNTL_INDEX, pllMPLL_CNTL + PLL_WR_EN); 1519 radeon_pll_errata_after_index(rinfo); 1520 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); 1521 radeon_pll_errata_after_data(rinfo); 1522 1523 /* Set MPLL feedback divider */ 1524 tmp = INPLL(pllM_SPLL_REF_FB_DIV); 1525 tmp = (tmp & 0xffff00fful) | (rinfo->save_regs[77] & 0x0000ff00ul); 1526 1527 OUTPLL(pllM_SPLL_REF_FB_DIV, tmp); 1528 /* Power up MPLL */ 1529 tmp = INPLL(pllMPLL_CNTL); 1530 OUTPLL(pllMPLL_CNTL, tmp & ~0x2); 1531 (void)INPLL(pllMPLL_CNTL); 1532 1533 mdelay(10); 1534 1535 /* Un-reset MPLL */ 1536 tmp = INPLL(pllMPLL_CNTL); 1537 OUTPLL(pllMPLL_CNTL, tmp & ~0x1); 1538 (void)INPLL(pllMPLL_CNTL); 1539 1540 mdelay(10); 1541 1542 /* Select source for MCLK */ 1543 tmp = INPLL(pllMCLK_CNTL); 1544 tmp |= rinfo->save_regs[2] & 0xffff; 1545 OUTPLL(pllMCLK_CNTL, tmp); 1546 (void)INPLL(pllMCLK_CNTL); 1547 1548 mdelay(10); 1549} 1550 1551static void radeon_pm_m10_disable_spread_spectrum(struct radeonfb_info *rinfo) 1552{ 1553 u32 r2ec; 1554 1555 /* GACK ! I though we didn't have a DDA on Radeon's anymore 1556 * here we rewrite with the same value, ... I suppose we clear 1557 * some bits that are already clear ? Or maybe this 0x2ec 1558 * register is something new ? 1559 */ 1560 mdelay(20); 1561 r2ec = INREG(VGA_DDA_ON_OFF); 1562 OUTREG(VGA_DDA_ON_OFF, r2ec); 1563 mdelay(1); 1564 1565 /* Spread spectrum PLLL off */ 1566 OUTPLL(pllSSPLL_CNTL, 0xbf03); 1567 1568 /* Spread spectrum disabled */ 1569 OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3); 1570 1571 /* The trace shows read & rewrite of LVDS_PLL_CNTL here with same 1572 * value, not sure what for... 1573 */ 1574 1575 r2ec |= 0x3f0; 1576 OUTREG(VGA_DDA_ON_OFF, r2ec); 1577 mdelay(1); 1578} 1579 1580static void radeon_pm_m10_enable_lvds_spread_spectrum(struct radeonfb_info *rinfo) 1581{ 1582 u32 r2ec, tmp; 1583 1584 /* GACK (bis) ! I though we didn't have a DDA on Radeon's anymore 1585 * here we rewrite with the same value, ... I suppose we clear/set 1586 * some bits that are already clear/set ? 1587 */ 1588 r2ec = INREG(VGA_DDA_ON_OFF); 1589 OUTREG(VGA_DDA_ON_OFF, r2ec); 1590 mdelay(1); 1591 1592 /* Enable spread spectrum */ 1593 OUTPLL(pllSSPLL_CNTL, rinfo->save_regs[43] | 3); 1594 mdelay(3); 1595 1596 OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44]); 1597 OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45]); 1598 tmp = INPLL(pllSSPLL_CNTL); 1599 OUTPLL(pllSSPLL_CNTL, tmp & ~0x2); 1600 mdelay(6); 1601 tmp = INPLL(pllSSPLL_CNTL); 1602 OUTPLL(pllSSPLL_CNTL, tmp & ~0x1); 1603 mdelay(5); 1604 1605 OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90]); 1606 1607 r2ec |= 8; 1608 OUTREG(VGA_DDA_ON_OFF, r2ec); 1609 mdelay(20); 1610 1611 /* Enable LVDS interface */ 1612 tmp = INREG(LVDS_GEN_CNTL); 1613 OUTREG(LVDS_GEN_CNTL, tmp | LVDS_EN); 1614 1615 /* Enable LVDS_PLL */ 1616 tmp = INREG(LVDS_PLL_CNTL); 1617 tmp &= ~0x30000; 1618 tmp |= 0x10000; 1619 OUTREG(LVDS_PLL_CNTL, tmp); 1620 1621 OUTPLL(pllSCLK_MORE_CNTL, rinfo->save_regs[34]); 1622 OUTPLL(pllSS_TST_CNTL, rinfo->save_regs[91]); 1623 1624 /* The trace reads that one here, waiting for something to settle down ? */ 1625 INREG(RBBM_STATUS); 1626 1627 /* Ugh ? SS_TST_DEC is supposed to be a read register in the 1628 * R300 register spec at least... 1629 */ 1630 tmp = INPLL(pllSS_TST_CNTL); 1631 tmp |= 0x00400000; 1632 OUTPLL(pllSS_TST_CNTL, tmp); 1633} 1634 1635static void radeon_pm_restore_pixel_pll(struct radeonfb_info *rinfo) 1636{ 1637 u32 tmp; 1638 1639 OUTREG8(CLOCK_CNTL_INDEX, pllHTOTAL_CNTL + PLL_WR_EN); 1640 radeon_pll_errata_after_index(rinfo); 1641 OUTREG8(CLOCK_CNTL_DATA, 0); 1642 radeon_pll_errata_after_data(rinfo); 1643 1644 tmp = INPLL(pllVCLK_ECP_CNTL); 1645 OUTPLL(pllVCLK_ECP_CNTL, tmp | 0x80); 1646 mdelay(5); 1647 1648 tmp = INPLL(pllPPLL_REF_DIV); 1649 tmp = (tmp & ~PPLL_REF_DIV_MASK) | rinfo->pll.ref_div; 1650 OUTPLL(pllPPLL_REF_DIV, tmp); 1651 INPLL(pllPPLL_REF_DIV); 1652 1653 /* Reconfigure SPLL charge pump, VCO gain, duty cycle, 1654 * probably useless since we already did it ... 1655 */ 1656 tmp = INPLL(pllPPLL_CNTL); 1657 OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN); 1658 radeon_pll_errata_after_index(rinfo); 1659 OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); 1660 radeon_pll_errata_after_data(rinfo); 1661 1662 /* Restore our "reference" PPLL divider set by firmware 1663 * according to proper spread spectrum calculations 1664 */ 1665 OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]); 1666 1667 tmp = INPLL(pllPPLL_CNTL); 1668 OUTPLL(pllPPLL_CNTL, tmp & ~0x2); 1669 mdelay(5); 1670 1671 tmp = INPLL(pllPPLL_CNTL); 1672 OUTPLL(pllPPLL_CNTL, tmp & ~0x1); 1673 mdelay(5); 1674 1675 tmp = INPLL(pllVCLK_ECP_CNTL); 1676 OUTPLL(pllVCLK_ECP_CNTL, tmp | 3); 1677 mdelay(5); 1678 1679 tmp = INPLL(pllVCLK_ECP_CNTL); 1680 OUTPLL(pllVCLK_ECP_CNTL, tmp | 3); 1681 mdelay(5); 1682 1683 /* Switch pixel clock to firmware default div 0 */ 1684 OUTREG8(CLOCK_CNTL_INDEX+1, 0); 1685 radeon_pll_errata_after_index(rinfo); 1686 radeon_pll_errata_after_data(rinfo); 1687} 1688 1689static void radeon_pm_m10_reconfigure_mc(struct radeonfb_info *rinfo) 1690{ 1691 OUTREG(MC_CNTL, rinfo->save_regs[46]); 1692 OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]); 1693 OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]); 1694 OUTREG(MEM_SDRAM_MODE_REG, 1695 rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1696 OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]); 1697 OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]); 1698 OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]); 1699 OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]); 1700 OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]); 1701 OUTREG(MC_DEBUG, rinfo->save_regs[53]); 1702 1703 OUTMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER, rinfo->save_regs[58]); 1704 OUTMC(rinfo, ixR300_MC_IMP_CNTL, rinfo->save_regs[59]); 1705 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0, rinfo->save_regs[60]); 1706 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1, rinfo->save_regs[61]); 1707 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0, rinfo->save_regs[62]); 1708 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1, rinfo->save_regs[63]); 1709 OUTMC(rinfo, ixR300_MC_BIST_CNTL_3, rinfo->save_regs[64]); 1710 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0, rinfo->save_regs[65]); 1711 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1, rinfo->save_regs[66]); 1712 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0, rinfo->save_regs[67]); 1713 OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1, rinfo->save_regs[68]); 1714 OUTMC(rinfo, ixR300_MC_DEBUG_CNTL, rinfo->save_regs[69]); 1715 OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); 1716 OUTMC(rinfo, ixR300_MC_IMP_CNTL_0, rinfo->save_regs[71]); 1717 OUTMC(rinfo, ixR300_MC_ELPIDA_CNTL, rinfo->save_regs[72]); 1718 OUTMC(rinfo, ixR300_MC_READ_CNTL_CD, rinfo->save_regs[96]); 1719 OUTREG(MC_IND_INDEX, 0); 1720} 1721 1722static void radeon_reinitialize_M10(struct radeonfb_info *rinfo) 1723{ 1724 u32 tmp, i; 1725 1726 /* Restore a bunch of registers first */ 1727 OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); 1728 OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); 1729 OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); 1730 OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); 1731 OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); 1732 OUTREG(CNFG_MEMSIZE, rinfo->video_ram); 1733 OUTREG(BUS_CNTL, rinfo->save_regs[36]); 1734 OUTREG(BUS_CNTL1, rinfo->save_regs[14]); 1735 OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); 1736 OUTREG(FCP_CNTL, rinfo->save_regs[38]); 1737 OUTREG(RBBM_CNTL, rinfo->save_regs[39]); 1738 OUTREG(DAC_CNTL, rinfo->save_regs[40]); 1739 OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8); 1740 OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8); 1741 1742 /* Hrm... */ 1743 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE); 1744 1745 /* Reset the PAD CTLR */ 1746 radeon_pm_reset_pad_ctlr_strength(rinfo); 1747 1748 /* Some PLLs are Read & written identically in the trace here... 1749 * I suppose it's actually to switch them all off & reset, 1750 * let's assume off is what we want. I'm just doing that for all major PLLs now. 1751 */ 1752 radeon_pm_all_ppls_off(rinfo); 1753 1754 /* Clear tiling, reset swappers */ 1755 INREG(SURFACE_CNTL); 1756 OUTREG(SURFACE_CNTL, 0); 1757 1758 /* Some black magic with TV_DAC_CNTL, we should restore those from backups 1759 * rather than hard coding... 1760 */ 1761 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK; 1762 tmp |= 8 << TV_DAC_CNTL_BGADJ__SHIFT; 1763 OUTREG(TV_DAC_CNTL, tmp); 1764 1765 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK; 1766 tmp |= 7 << TV_DAC_CNTL_DACADJ__SHIFT; 1767 OUTREG(TV_DAC_CNTL, tmp); 1768 1769 /* More registers restored */ 1770 OUTREG(AGP_CNTL, rinfo->save_regs[16]); 1771 OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); 1772 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); 1773 1774 /* Hrmmm ... What is that ? */ 1775 tmp = rinfo->save_regs[1] 1776 & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK | 1777 CLK_PWRMGT_CNTL__MC_BUSY); 1778 OUTPLL(pllCLK_PWRMGT_CNTL, tmp); 1779 1780 OUTREG(PAD_CTLR_MISC, rinfo->save_regs[56]); 1781 OUTREG(FW_CNTL, rinfo->save_regs[57]); 1782 OUTREG(HDP_DEBUG, rinfo->save_regs[96]); 1783 OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]); 1784 OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]); 1785 OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]); 1786 1787 /* Restore Memory Controller configuration */ 1788 radeon_pm_m10_reconfigure_mc(rinfo); 1789 1790 /* Make sure CRTC's dont touch memory */ 1791 OUTREG(CRTC_GEN_CNTL, INREG(CRTC_GEN_CNTL) 1792 | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B); 1793 OUTREG(CRTC2_GEN_CNTL, INREG(CRTC2_GEN_CNTL) 1794 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B); 1795 mdelay(30); 1796 1797 /* Disable SDRAM refresh */ 1798 OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL) 1799 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); 1800 1801 /* Restore XTALIN routing (CLK_PIN_CNTL) */ 1802 OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]); 1803 1804 /* Switch MCLK, YCLK and SCLK PLLs to PCI source & force them ON */ 1805 tmp = rinfo->save_regs[2] & 0xff000000; 1806 tmp |= MCLK_CNTL__FORCE_MCLKA | 1807 MCLK_CNTL__FORCE_MCLKB | 1808 MCLK_CNTL__FORCE_YCLKA | 1809 MCLK_CNTL__FORCE_YCLKB | 1810 MCLK_CNTL__FORCE_MC; 1811 OUTPLL(pllMCLK_CNTL, tmp); 1812 1813 /* Force all clocks on in SCLK */ 1814 tmp = INPLL(pllSCLK_CNTL); 1815 tmp |= SCLK_CNTL__FORCE_DISP2| 1816 SCLK_CNTL__FORCE_CP| 1817 SCLK_CNTL__FORCE_HDP| 1818 SCLK_CNTL__FORCE_DISP1| 1819 SCLK_CNTL__FORCE_TOP| 1820 SCLK_CNTL__FORCE_E2| 1821 SCLK_CNTL__FORCE_SE| 1822 SCLK_CNTL__FORCE_IDCT| 1823 SCLK_CNTL__FORCE_VIP| 1824 SCLK_CNTL__FORCE_PB| 1825 SCLK_CNTL__FORCE_TAM| 1826 SCLK_CNTL__FORCE_TDM| 1827 SCLK_CNTL__FORCE_RB| 1828 SCLK_CNTL__FORCE_TV_SCLK| 1829 SCLK_CNTL__FORCE_SUBPIC| 1830 SCLK_CNTL__FORCE_OV0; 1831 tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT | 1832 SCLK_CNTL__HDP_MAX_DYN_STOP_LAT | 1833 SCLK_CNTL__TV_MAX_DYN_STOP_LAT | 1834 SCLK_CNTL__E2_MAX_DYN_STOP_LAT | 1835 SCLK_CNTL__SE_MAX_DYN_STOP_LAT | 1836 SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT| 1837 SCLK_CNTL__VIP_MAX_DYN_STOP_LAT | 1838 SCLK_CNTL__RE_MAX_DYN_STOP_LAT | 1839 SCLK_CNTL__PB_MAX_DYN_STOP_LAT | 1840 SCLK_CNTL__TAM_MAX_DYN_STOP_LAT | 1841 SCLK_CNTL__TDM_MAX_DYN_STOP_LAT | 1842 SCLK_CNTL__RB_MAX_DYN_STOP_LAT; 1843 OUTPLL(pllSCLK_CNTL, tmp); 1844 1845 OUTPLL(pllVCLK_ECP_CNTL, 0); 1846 OUTPLL(pllPIXCLKS_CNTL, 0); 1847 OUTPLL(pllMCLK_MISC, 1848 MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT | 1849 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT); 1850 1851 mdelay(5); 1852 1853 /* Restore the M_SPLL_REF_FB_DIV, MPLL_AUX_CNTL and SPLL_AUX_CNTL values */ 1854 OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]); 1855 OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]); 1856 OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]); 1857 1858 /* Now restore the major PLLs settings, keeping them off & reset though */ 1859 OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3); 1860 OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3); 1861 OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03); 1862 OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03); 1863 1864 /* Restore MC DLL state and switch it off/reset too */ 1865 OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); 1866 1867 /* Switch MDLL off & reset */ 1868 OUTPLL(pllMDLL_RDCKA, rinfo->save_regs[98] | 0xff); 1869 mdelay(5); 1870 1871 /* Setup some black magic bits in PLL_PWRMGT_CNTL. Hrm... we saved 1872 * 0xa1100007... and MacOS writes 0xa1000007 .. 1873 */ 1874 OUTPLL(pllPLL_PWRMGT_CNTL, rinfo->save_regs[0]); 1875 1876 /* Restore more stuffs */ 1877 OUTPLL(pllHTOTAL_CNTL, 0); 1878 OUTPLL(pllHTOTAL2_CNTL, 0); 1879 1880 /* More PLL initial configuration */ 1881 tmp = INPLL(pllSCLK_CNTL2); /* What for ? */ 1882 OUTPLL(pllSCLK_CNTL2, tmp); 1883 1884 tmp = INPLL(pllSCLK_MORE_CNTL); 1885 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS | /* a guess */ 1886 SCLK_MORE_CNTL__FORCE_MC_GUI | 1887 SCLK_MORE_CNTL__FORCE_MC_HOST; 1888 OUTPLL(pllSCLK_MORE_CNTL, tmp); 1889 1890 /* Now we actually start MCLK and SCLK */ 1891 radeon_pm_start_mclk_sclk(rinfo); 1892 1893 /* Full reset sdrams, this also re-inits the MDLL */ 1894 radeon_pm_full_reset_sdram(rinfo); 1895 1896 /* Fill palettes */ 1897 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20); 1898 for (i=0; i<256; i++) 1899 OUTREG(PALETTE_30_DATA, 0x15555555); 1900 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20); 1901 udelay(20); 1902 for (i=0; i<256; i++) 1903 OUTREG(PALETTE_30_DATA, 0x15555555); 1904 1905 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20); 1906 mdelay(3); 1907 1908 /* Restore TMDS */ 1909 OUTREG(FP_GEN_CNTL, rinfo->save_regs[82]); 1910 OUTREG(FP2_GEN_CNTL, rinfo->save_regs[83]); 1911 1912 /* Set LVDS registers but keep interface & pll down */ 1913 OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] & 1914 ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN)); 1915 OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000); 1916 1917 OUTREG(DISP_OUTPUT_CNTL, rinfo->save_regs[86]); 1918 1919 /* Restore GPIOPAD state */ 1920 OUTREG(GPIOPAD_A, rinfo->save_regs[19]); 1921 OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); 1922 OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); 1923 1924 /* write some stuff to the framebuffer... */ 1925 for (i = 0; i < 0x8000; ++i) 1926 writeb(0, rinfo->fb_base + i); 1927 1928 mdelay(40); 1929 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON); 1930 mdelay(40); 1931 1932 /* Restore a few more things */ 1933 OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]); 1934 OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]); 1935 1936 /* Take care of spread spectrum & PPLLs now */ 1937 radeon_pm_m10_disable_spread_spectrum(rinfo); 1938 radeon_pm_restore_pixel_pll(rinfo); 1939 1940 /* GRRRR... I can't figure out the proper LVDS power sequence, and the 1941 * code I have for blank/unblank doesn't quite work on some laptop models 1942 * it seems ... Hrm. What I have here works most of the time ... 1943 */ 1944 radeon_pm_m10_enable_lvds_spread_spectrum(rinfo); 1945} 1946#endif 1947 1948#ifdef CONFIG_PPC 1949#ifdef CONFIG_PPC_PMAC 1950static void radeon_pm_m9p_reconfigure_mc(struct radeonfb_info *rinfo) 1951{ 1952 OUTREG(MC_CNTL, rinfo->save_regs[46]); 1953 OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]); 1954 OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]); 1955 OUTREG(MEM_SDRAM_MODE_REG, 1956 rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); 1957 OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]); 1958 OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]); 1959 OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]); 1960 OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]); 1961 OUTREG(MC_DEBUG, rinfo->save_regs[53]); 1962 OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]); 1963 1964 OUTMC(rinfo, ixMC_IMP_CNTL, rinfo->save_regs[59] /*0x00f460d6*/); 1965 OUTMC(rinfo, ixMC_CHP_IO_CNTL_A0, rinfo->save_regs[65] /*0xfecfa666*/); 1966 OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, rinfo->save_regs[66] /*0x141555ff*/); 1967 OUTMC(rinfo, ixMC_CHP_IO_CNTL_B0, rinfo->save_regs[67] /*0xfecfa666*/); 1968 OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, rinfo->save_regs[68] /*0x141555ff*/); 1969 OUTMC(rinfo, ixMC_IMP_CNTL_0, rinfo->save_regs[71] /*0x00009249*/); 1970 OUTREG(MC_IND_INDEX, 0); 1971 OUTREG(CNFG_MEMSIZE, rinfo->video_ram); 1972 1973 mdelay(20); 1974} 1975 1976static void radeon_reinitialize_M9P(struct radeonfb_info *rinfo) 1977{ 1978 u32 tmp, i; 1979 1980 /* Restore a bunch of registers first */ 1981 OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); 1982 OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); 1983 OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); 1984 OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); 1985 OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); 1986 OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); 1987 OUTREG(BUS_CNTL, rinfo->save_regs[36]); 1988 OUTREG(BUS_CNTL1, rinfo->save_regs[14]); 1989 OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); 1990 OUTREG(FCP_CNTL, rinfo->save_regs[38]); 1991 OUTREG(RBBM_CNTL, rinfo->save_regs[39]); 1992 1993 OUTREG(DAC_CNTL, rinfo->save_regs[40]); 1994 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE); 1995 1996 /* Reset the PAD CTLR */ 1997 radeon_pm_reset_pad_ctlr_strength(rinfo); 1998 1999 /* Some PLLs are Read & written identically in the trace here... 2000 * I suppose it's actually to switch them all off & reset, 2001 * let's assume off is what we want. I'm just doing that for all major PLLs now. 2002 */ 2003 radeon_pm_all_ppls_off(rinfo); 2004 2005 /* Clear tiling, reset swappers */ 2006 INREG(SURFACE_CNTL); 2007 OUTREG(SURFACE_CNTL, 0); 2008 2009 /* Some black magic with TV_DAC_CNTL, we should restore those from backups 2010 * rather than hard coding... 2011 */ 2012 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK; 2013 tmp |= 6 << TV_DAC_CNTL_BGADJ__SHIFT; 2014 OUTREG(TV_DAC_CNTL, tmp); 2015 2016 tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK; 2017 tmp |= 6 << TV_DAC_CNTL_DACADJ__SHIFT; 2018 OUTREG(TV_DAC_CNTL, tmp); 2019 2020 OUTPLL(pllAGP_PLL_CNTL, rinfo->save_regs[78]); 2021 2022 OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]); 2023 OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]); 2024 OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]); 2025 2026 OUTREG(AGP_CNTL, rinfo->save_regs[16]); 2027 OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); /* MacOS sets that to 0 !!! */ 2028 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); 2029 2030 tmp = rinfo->save_regs[1] 2031 & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK | 2032 CLK_PWRMGT_CNTL__MC_BUSY); 2033 OUTPLL(pllCLK_PWRMGT_CNTL, tmp); 2034 2035 OUTREG(FW_CNTL, rinfo->save_regs[57]); 2036 2037 /* Disable SDRAM refresh */ 2038 OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL) 2039 | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); 2040 2041 /* Restore XTALIN routing (CLK_PIN_CNTL) */ 2042 OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]); 2043 2044 /* Force MCLK to be PCI sourced and forced ON */ 2045 tmp = rinfo->save_regs[2] & 0xff000000; 2046 tmp |= MCLK_CNTL__FORCE_MCLKA | 2047 MCLK_CNTL__FORCE_MCLKB | 2048 MCLK_CNTL__FORCE_YCLKA | 2049 MCLK_CNTL__FORCE_YCLKB | 2050 MCLK_CNTL__FORCE_MC | 2051 MCLK_CNTL__FORCE_AIC; 2052 OUTPLL(pllMCLK_CNTL, tmp); 2053 2054 /* Force SCLK to be PCI sourced with a bunch forced */ 2055 tmp = 0 | 2056 SCLK_CNTL__FORCE_DISP2| 2057 SCLK_CNTL__FORCE_CP| 2058 SCLK_CNTL__FORCE_HDP| 2059 SCLK_CNTL__FORCE_DISP1| 2060 SCLK_CNTL__FORCE_TOP| 2061 SCLK_CNTL__FORCE_E2| 2062 SCLK_CNTL__FORCE_SE| 2063 SCLK_CNTL__FORCE_IDCT| 2064 SCLK_CNTL__FORCE_VIP| 2065 SCLK_CNTL__FORCE_RE| 2066 SCLK_CNTL__FORCE_PB| 2067 SCLK_CNTL__FORCE_TAM| 2068 SCLK_CNTL__FORCE_TDM| 2069 SCLK_CNTL__FORCE_RB; 2070 OUTPLL(pllSCLK_CNTL, tmp); 2071 2072 /* Clear VCLK_ECP_CNTL & PIXCLKS_CNTL */ 2073 OUTPLL(pllVCLK_ECP_CNTL, 0); 2074 OUTPLL(pllPIXCLKS_CNTL, 0); 2075 2076 /* Setup MCLK_MISC, non dynamic mode */ 2077 OUTPLL(pllMCLK_MISC, 2078 MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT | 2079 MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT); 2080 2081 mdelay(5); 2082 2083 /* Set back the default clock dividers */ 2084 OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]); 2085 OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]); 2086 OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]); 2087 2088 /* PPLL and P2PLL default values & off */ 2089 OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3); 2090 OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3); 2091 2092 /* S and M PLLs are reset & off, configure them */ 2093 OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03); 2094 OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03); 2095 2096 /* Default values for MDLL ... fixme */ 2097 OUTPLL(pllMDLL_CKO, 0x9c009c); 2098 OUTPLL(pllMDLL_RDCKA, 0x08830883); 2099 OUTPLL(pllMDLL_RDCKB, 0x08830883); 2100 mdelay(5); 2101 2102 /* Restore PLL_PWRMGT_CNTL */ // XXXX 2103 tmp = rinfo->save_regs[0]; 2104 tmp &= ~PLL_PWRMGT_CNTL_SU_SCLK_USE_BCLK; 2105 tmp |= PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK; 2106 OUTPLL(PLL_PWRMGT_CNTL, tmp); 2107 2108 /* Clear HTOTAL_CNTL & HTOTAL2_CNTL */ 2109 OUTPLL(pllHTOTAL_CNTL, 0); 2110 OUTPLL(pllHTOTAL2_CNTL, 0); 2111 2112 /* All outputs off */ 2113 OUTREG(CRTC_GEN_CNTL, 0x04000000); 2114 OUTREG(CRTC2_GEN_CNTL, 0x04000000); 2115 OUTREG(FP_GEN_CNTL, 0x00004008); 2116 OUTREG(FP2_GEN_CNTL, 0x00000008); 2117 OUTREG(LVDS_GEN_CNTL, 0x08000008); 2118 2119 /* Restore Memory Controller configuration */ 2120 radeon_pm_m9p_reconfigure_mc(rinfo); 2121 2122 /* Now we actually start MCLK and SCLK */ 2123 radeon_pm_start_mclk_sclk(rinfo); 2124 2125 /* Full reset sdrams, this also re-inits the MDLL */ 2126 radeon_pm_full_reset_sdram(rinfo); 2127 2128 /* Fill palettes */ 2129 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20); 2130 for (i=0; i<256; i++) 2131 OUTREG(PALETTE_30_DATA, 0x15555555); 2132 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20); 2133 udelay(20); 2134 for (i=0; i<256; i++) 2135 OUTREG(PALETTE_30_DATA, 0x15555555); 2136 2137 OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20); 2138 mdelay(3); 2139 2140 /* Restore TV stuff, make sure TV DAC is down */ 2141 OUTREG(TV_MASTER_CNTL, rinfo->save_regs[88]); 2142 OUTREG(TV_DAC_CNTL, rinfo->save_regs[13] | 0x07000000); 2143 2144 /* Restore GPIOS. MacOS does some magic here with one of the GPIO bits, 2145 * possibly related to the weird PLL related workarounds and to the 2146 * fact that CLK_PIN_CNTL is tweaked in ways I don't fully understand, 2147 * but we keep things the simple way here 2148 */ 2149 OUTREG(GPIOPAD_A, rinfo->save_regs[19]); 2150 OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); 2151 OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); 2152 2153 /* Now do things with SCLK_MORE_CNTL. Force bits are already set, copy 2154 * high bits from backup 2155 */ 2156 tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff; 2157 tmp |= rinfo->save_regs[34] & 0xffff0000; 2158 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS; 2159 OUTPLL(pllSCLK_MORE_CNTL, tmp); 2160 2161 tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff; 2162 tmp |= rinfo->save_regs[34] & 0xffff0000; 2163 tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS; 2164 OUTPLL(pllSCLK_MORE_CNTL, tmp); 2165 2166 OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] & 2167 ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN)); 2168 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_BLON); 2169 OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000); 2170 mdelay(20); 2171 2172 /* write some stuff to the framebuffer... */ 2173 for (i = 0; i < 0x8000; ++i) 2174 writeb(0, rinfo->fb_base + i); 2175 2176 OUTREG(0x2ec, 0x6332a020); 2177 OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44] /*0x3f */); 2178 OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45] /*0x000081bb */); 2179 tmp = INPLL(pllSSPLL_CNTL); 2180 tmp &= ~2; 2181 OUTPLL(pllSSPLL_CNTL, tmp); 2182 mdelay(6); 2183 tmp &= ~1; 2184 OUTPLL(pllSSPLL_CNTL, tmp); 2185 mdelay(5); 2186 tmp |= 3; 2187 OUTPLL(pllSSPLL_CNTL, tmp); 2188 mdelay(5); 2189 2190 OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3);/*0x0020300c*/ 2191 OUTREG(0x2ec, 0x6332a3f0); 2192 mdelay(17); 2193 2194 OUTPLL(pllPPLL_REF_DIV, rinfo->pll.ref_div); 2195 OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]); 2196 2197 mdelay(40); 2198 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON); 2199 mdelay(40); 2200 2201 /* Restore a few more things */ 2202 OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]); 2203 OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]); 2204 2205 /* Restore PPLL, spread spectrum & LVDS */ 2206 radeon_pm_m10_disable_spread_spectrum(rinfo); 2207 radeon_pm_restore_pixel_pll(rinfo); 2208 radeon_pm_m10_enable_lvds_spread_spectrum(rinfo); 2209} 2210#endif 2211 2212#if 0 /* Not ready yet */ 2213static 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 2372 OUTREG(CNFG_MEMSIZE, rinfo->video_ram); 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 2516#endif /* CONFIG_PPC */ 2517 2518static 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, 2524 rinfo->pdev->pm_cap + PCI_PM_CTRL, 2525 &pwr_cmd); 2526 if (pwr_cmd & state) 2527 break; 2528 pwr_cmd = (pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | state; 2529 pci_write_config_word(rinfo->pdev, 2530 rinfo->pdev->pm_cap + PCI_PM_CTRL, 2531 pwr_cmd); 2532 msleep(500); 2533 } 2534 rinfo->pdev->current_state = state; 2535} 2536 2537static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) 2538{ 2539 u32 tmp; 2540 2541 if (!rinfo->pdev->pm_cap) 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 2585 /* Switch PCI power management to D2. */ 2586 pci_disable_device(rinfo->pdev); 2587 pci_save_state(rinfo->pdev); 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); 2593 pci_platform_power_transition(rinfo->pdev, PCI_D2); 2594 } else { 2595 printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n", 2596 pci_name(rinfo->pdev)); 2597 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 2613static int radeonfb_pci_suspend_late(struct device *dev, pm_message_t mesg) 2614{ 2615 struct pci_dev *pdev = to_pci_dev(dev); 2616 struct fb_info *info = pci_get_drvdata(pdev); 2617 struct radeonfb_info *rinfo = info->par; 2618 2619 if (mesg.event == pdev->dev.power.power_state.event) 2620 return 0; 2621 2622 printk(KERN_DEBUG "radeonfb (%s): suspending for event: %d...\n", 2623 pci_name(pdev), mesg.event); 2624 2625 /* For suspend-to-disk, we cheat here. We don't suspend anything and 2626 * let fbcon continue drawing until we are all set. That shouldn't 2627 * really cause any problem at this point, provided that the wakeup 2628 * code knows that any state in memory may not match the HW 2629 */ 2630 switch (mesg.event) { 2631 case PM_EVENT_FREEZE: /* about to take snapshot */ 2632 case PM_EVENT_PRETHAW: /* before restoring snapshot */ 2633 goto done; 2634 } 2635 2636 console_lock(); 2637 2638 fb_set_suspend(info, 1); 2639 2640 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) { 2641 /* Make sure engine is reset */ 2642 radeon_engine_idle(); 2643 radeonfb_engine_reset(rinfo); 2644 radeon_engine_idle(); 2645 } 2646 2647 /* Blank display and LCD */ 2648 radeon_screen_blank(rinfo, FB_BLANK_POWERDOWN, 1); 2649 2650 /* Sleep */ 2651 rinfo->asleep = 1; 2652 rinfo->lock_blank = 1; 2653 del_timer_sync(&rinfo->lvds_timer); 2654 2655#ifdef CONFIG_PPC_PMAC 2656 /* On powermac, we have hooks to properly suspend/resume AGP now, 2657 * use them here. We'll ultimately need some generic support here, 2658 * but the generic code isn't quite ready for that yet 2659 */ 2660 pmac_suspend_agp_for_card(pdev); 2661#endif /* CONFIG_PPC_PMAC */ 2662 2663 /* If we support wakeup from poweroff, we save all regs we can including cfg 2664 * space 2665 */ 2666 if (rinfo->pm_mode & radeon_pm_off) { 2667 /* Always disable dynamic clocks or weird things are happening when 2668 * the chip goes off (basically the panel doesn't shut down properly 2669 * and we crash on wakeup), 2670 * also, we want the saved regs context to have no dynamic clocks in 2671 * it, we'll restore the dynamic clocks state on wakeup 2672 */ 2673 radeon_pm_disable_dynamic_mode(rinfo); 2674 msleep(50); 2675 radeon_pm_save_regs(rinfo, 1); 2676 2677 if (rinfo->is_mobility && !(rinfo->pm_mode & radeon_pm_d2)) { 2678 /* Switch off LVDS interface */ 2679 usleep_range(1000, 2000); 2680 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_BL_MOD_EN)); 2681 usleep_range(1000, 2000); 2682 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_EN | LVDS_ON)); 2683 OUTREG(LVDS_PLL_CNTL, (INREG(LVDS_PLL_CNTL) & ~30000) | 0x20000); 2684 msleep(20); 2685 OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_DIGON)); 2686 } 2687 } 2688 /* If we support D2, we go to it (should be fixed later with a flag forcing 2689 * D3 only for some laptops) 2690 */ 2691 if (rinfo->pm_mode & radeon_pm_d2) 2692 radeon_set_suspend(rinfo, 1); 2693 2694 console_unlock(); 2695 2696 done: 2697 pdev->dev.power.power_state = mesg; 2698 2699 return 0; 2700} 2701 2702static int radeonfb_pci_suspend(struct device *dev) 2703{ 2704 return radeonfb_pci_suspend_late(dev, PMSG_SUSPEND); 2705} 2706 2707static int radeonfb_pci_hibernate(struct device *dev) 2708{ 2709 return radeonfb_pci_suspend_late(dev, PMSG_HIBERNATE); 2710} 2711 2712static int radeonfb_pci_freeze(struct device *dev) 2713{ 2714 return radeonfb_pci_suspend_late(dev, PMSG_FREEZE); 2715} 2716 2717static int radeon_check_power_loss(struct radeonfb_info *rinfo) 2718{ 2719 return rinfo->save_regs[4] != INPLL(CLK_PIN_CNTL) || 2720 rinfo->save_regs[2] != INPLL(MCLK_CNTL) || 2721 rinfo->save_regs[3] != INPLL(SCLK_CNTL); 2722} 2723 2724static int radeonfb_pci_resume(struct device *dev) 2725{ 2726 struct pci_dev *pdev = to_pci_dev(dev); 2727 struct fb_info *info = pci_get_drvdata(pdev); 2728 struct radeonfb_info *rinfo = info->par; 2729 int rc = 0; 2730 2731 if (pdev->dev.power.power_state.event == PM_EVENT_ON) 2732 return 0; 2733 2734 if (rinfo->no_schedule) { 2735 if (!console_trylock()) 2736 return 0; 2737 } else 2738 console_lock(); 2739 2740 printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n", 2741 pci_name(pdev), pdev->dev.power.power_state.event); 2742 2743 /* PCI state will have been restored by the core, so 2744 * we should be in D0 now with our config space fully 2745 * restored 2746 */ 2747 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { 2748 /* Wakeup chip */ 2749 if ((rinfo->pm_mode & radeon_pm_off) && radeon_check_power_loss(rinfo)) { 2750 if (rinfo->reinit_func != NULL) 2751 rinfo->reinit_func(rinfo); 2752 else { 2753 printk(KERN_ERR "radeonfb (%s): can't resume radeon from" 2754 " D3 cold, need softboot !", pci_name(pdev)); 2755 rc = -EIO; 2756 goto bail; 2757 } 2758 } 2759 /* If we support D2, try to resume... we should check what was our 2760 * state though... (were we really in D2 state ?). Right now, this code 2761 * is only enable on Macs so it's fine. 2762 */ 2763 else if (rinfo->pm_mode & radeon_pm_d2) 2764 radeon_set_suspend(rinfo, 0); 2765 2766 rinfo->asleep = 0; 2767 } else 2768 radeon_engine_idle(); 2769 2770 /* Restore display & engine */ 2771 radeon_write_mode (rinfo, &rinfo->state, 1); 2772 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) 2773 radeonfb_engine_init (rinfo); 2774 2775 fb_pan_display(info, &info->var); 2776 fb_set_cmap(&info->cmap, info); 2777 2778 /* Refresh */ 2779 fb_set_suspend(info, 0); 2780 2781 /* Unblank */ 2782 rinfo->lock_blank = 0; 2783 radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 1); 2784 2785#ifdef CONFIG_PPC_PMAC 2786 /* On powermac, we have hooks to properly suspend/resume AGP now, 2787 * use them here. We'll ultimately need some generic support here, 2788 * but the generic code isn't quite ready for that yet 2789 */ 2790 pmac_resume_agp_for_card(pdev); 2791#endif /* CONFIG_PPC_PMAC */ 2792 2793 2794 /* Check status of dynclk */ 2795 if (rinfo->dynclk == 1) 2796 radeon_pm_enable_dynamic_mode(rinfo); 2797 else if (rinfo->dynclk == 0) 2798 radeon_pm_disable_dynamic_mode(rinfo); 2799 2800 pdev->dev.power.power_state = PMSG_ON; 2801 2802 bail: 2803 console_unlock(); 2804 2805 return rc; 2806} 2807 2808const struct dev_pm_ops radeonfb_pci_pm_ops = { 2809 .suspend = radeonfb_pci_suspend, 2810 .resume = radeonfb_pci_resume, 2811 .freeze = radeonfb_pci_freeze, 2812 .thaw = radeonfb_pci_resume, 2813 .poweroff = radeonfb_pci_hibernate, 2814 .restore = radeonfb_pci_resume, 2815}; 2816 2817#ifdef CONFIG_PPC__disabled 2818static void radeonfb_early_resume(void *data) 2819{ 2820 struct radeonfb_info *rinfo = data; 2821 2822 rinfo->no_schedule = 1; 2823 pci_restore_state(rinfo->pdev); 2824 radeonfb_pci_resume(rinfo->pdev); 2825 rinfo->no_schedule = 0; 2826} 2827#endif /* CONFIG_PPC */ 2828 2829#endif /* CONFIG_PM */ 2830 2831void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep) 2832{ 2833 /* Enable/Disable dynamic clocks: TODO add sysfs access */ 2834 if (rinfo->family == CHIP_FAMILY_RS480) 2835 rinfo->dynclk = -1; 2836 else 2837 rinfo->dynclk = dynclk; 2838 2839 if (rinfo->dynclk == 1) { 2840 radeon_pm_enable_dynamic_mode(rinfo); 2841 printk("radeonfb: Dynamic Clock Power Management enabled\n"); 2842 } else if (rinfo->dynclk == 0) { 2843 radeon_pm_disable_dynamic_mode(rinfo); 2844 printk("radeonfb: Dynamic Clock Power Management disabled\n"); 2845 } 2846 2847#if defined(CONFIG_PM) 2848#if defined(CONFIG_PPC_PMAC) 2849 /* Check if we can power manage on suspend/resume. We can do 2850 * D2 on M6, M7 and M9, and we can resume from D3 cold a few other 2851 * "Mac" cards, but that's all. We need more infos about what the 2852 * BIOS does tho. Right now, all this PM stuff is pmac-only for that 2853 * reason. --BenH 2854 */ 2855 if (machine_is(powermac) && rinfo->of_node) { 2856 if (rinfo->is_mobility && rinfo->pdev->pm_cap && 2857 rinfo->family <= CHIP_FAMILY_RV250) 2858 rinfo->pm_mode |= radeon_pm_d2; 2859 2860 /* We can restart Jasper (M10 chip in albooks), BlueStone (7500 chip 2861 * in some desktop G4s), Via (M9+ chip on iBook G4) and 2862 * Snowy (M11 chip on iBook G4 manufactured after July 2005) 2863 */ 2864 if (of_node_name_eq(rinfo->of_node, "ATY,JasperParent") || 2865 of_node_name_eq(rinfo->of_node, "ATY,SnowyParent")) { 2866 rinfo->reinit_func = radeon_reinitialize_M10; 2867 rinfo->pm_mode |= radeon_pm_off; 2868 } 2869#if 0 /* Not ready yet */ 2870 if (!strcmp(rinfo->of_node->name, "ATY,BlueStoneParent")) { 2871 rinfo->reinit_func = radeon_reinitialize_QW; 2872 rinfo->pm_mode |= radeon_pm_off; 2873 } 2874#endif 2875 if (of_node_name_eq(rinfo->of_node, "ATY,ViaParent")) { 2876 rinfo->reinit_func = radeon_reinitialize_M9P; 2877 rinfo->pm_mode |= radeon_pm_off; 2878 } 2879 2880 /* If any of the above is set, we assume the machine can sleep/resume. 2881 * It's a bit of a "shortcut" but will work fine. Ideally, we need infos 2882 * from the platform about what happens to the chip... 2883 * Now we tell the platform about our capability 2884 */ 2885 if (rinfo->pm_mode != radeon_pm_none) { 2886 pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, rinfo->of_node, 0, 1); 2887#if 0 /* Disable the early video resume hack for now as it's causing problems, among 2888 * others we now rely on the PCI core restoring the config space for us, which 2889 * isn't the case with that hack, and that code path causes various things to 2890 * be called with interrupts off while they shouldn't. I'm leaving the code in 2891 * as it can be useful for debugging purposes 2892 */ 2893 pmac_set_early_video_resume(radeonfb_early_resume, rinfo); 2894#endif 2895 } 2896 2897#if 0 2898 /* Power down TV DAC, that saves a significant amount of power, 2899 * we'll have something better once we actually have some TVOut 2900 * support 2901 */ 2902 OUTREG(TV_DAC_CNTL, INREG(TV_DAC_CNTL) | 0x07000000); 2903#endif 2904 } 2905#endif /* defined(CONFIG_PPC_PMAC) */ 2906#endif /* defined(CONFIG_PM) */ 2907 2908 if (ignore_devlist) 2909 printk(KERN_DEBUG 2910 "radeonfb: skipping test for device workarounds\n"); 2911 else 2912 radeon_apply_workarounds(rinfo); 2913 2914 if (force_sleep) { 2915 printk(KERN_DEBUG 2916 "radeonfb: forcefully enabling D2 sleep mode\n"); 2917 rinfo->pm_mode |= radeon_pm_d2; 2918 } 2919} 2920 2921void radeonfb_pm_exit(struct radeonfb_info *rinfo) 2922{ 2923#if defined(CONFIG_PM) && defined(CONFIG_PPC_PMAC) 2924 if (rinfo->pm_mode != radeon_pm_none) 2925 pmac_set_early_video_resume(NULL, NULL); 2926#endif 2927} 2928