| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Benjamin Herrenschmidt | 11536 | 93.34% | 12 | 23.08% |
| Volker Braun | 354 | 2.86% | 1 | 1.92% |
| Vaibhav Gupta | 117 | 0.95% | 1 | 1.92% |
| James Simmons | 52 | 0.42% | 1 | 1.92% |
| Linus Torvalds | 42 | 0.34% | 5 | 9.62% |
| David Eger | 34 | 0.28% | 2 | 3.85% |
| Linus Torvalds (pre-git) | 32 | 0.26% | 2 | 3.85% |
| Carl-Daniel Hailfinger | 25 | 0.20% | 2 | 3.85% |
| johan henriksson | 20 | 0.16% | 1 | 1.92% |
| Pavel Machek | 18 | 0.15% | 3 | 5.77% |
| David Brownell | 17 | 0.14% | 1 | 1.92% |
| Jon Mason | 14 | 0.11% | 1 | 1.92% |
| Sven Henkel | 13 | 0.11% | 1 | 1.92% |
| Thierry Reding | 11 | 0.09% | 1 | 1.92% |
| Greg Kroah-Hartman | 11 | 0.09% | 2 | 3.85% |
| Jia-Ju Bai | 10 | 0.08% | 1 | 1.92% |
| Randy Dunlap | 9 | 0.07% | 1 | 1.92% |
| Kevin Hao | 8 | 0.06% | 1 | 1.92% |
| Wolfgang Kroener | 7 | 0.06% | 1 | 1.92% |
| Gustavo A. R. Silva | 6 | 0.05% | 1 | 1.92% |
| Torben Hohn | 6 | 0.05% | 1 | 1.92% |
| Antonino A. Daplas | 5 | 0.04% | 2 | 3.85% |
| Paul Mackerras | 3 | 0.02% | 1 | 1.92% |
| Rob Herring | 3 | 0.02% | 1 | 1.92% |
| Stephen Rothwell | 2 | 0.02% | 2 | 3.85% |
| Jeremy Kerr | 1 | 0.01% | 1 | 1.92% |
| Rafael J. Wysocki | 1 | 0.01% | 1 | 1.92% |
| Roel Kluin | 1 | 0.01% | 1 | 1.92% |
| Joe Perches | 1 | 0.01% | 1 | 1.92% |
| Total | 12359 | 52 |
// SPDX-License-Identifier: GPL-2.0 /* * drivers/video/aty/radeon_pm.c * * Copyright 2003,2004 Ben. Herrenschmidt <benh@kernel.crashing.org> * Copyright 2004 Paul Mackerras <paulus@samba.org> * * This is the power management code for ATI radeon chipsets. It contains * some dynamic clock PM enable/disable code similar to what X.org does, * some D2-state (APM-style) sleep/wakeup code for use on some PowerMacs, * and the necessary bits to re-initialize from scratch a few chips found * on PowerMacs as well. The later could be extended to more platforms * provided the memory controller configuration code be made more generic, * and you can get the proper mode register commands for your RAMs. * Those things may be found in the BIOS image... */ #include "radeonfb.h" #include <linux/console.h> #include <linux/agp_backend.h> #ifdef CONFIG_PPC_PMAC #include <asm/machdep.h> #include <asm/pmac_feature.h> #endif #include "ati_ids.h" /* * Workarounds for bugs in PC laptops: * - enable D2 sleep in some IBM Thinkpads * - special case for Samsung P35 * * Whitelist by subsystem vendor/device because * its the subsystem vendor's fault! */ #if defined(CONFIG_PM) && defined(CONFIG_X86) static void radeon_reinitialize_M10(struct radeonfb_info *rinfo); struct radeon_device_id { const char *ident; /* (arbitrary) Name */ const unsigned short subsystem_vendor; /* Subsystem Vendor ID */ const unsigned short subsystem_device; /* Subsystem Device ID */ const enum radeon_pm_mode pm_mode_modifier; /* modify pm_mode */ const reinit_function_ptr new_reinit_func; /* changed reinit_func */ }; #define BUGFIX(model, sv, sd, pm, fn) { \ .ident = model, \ .subsystem_vendor = sv, \ .subsystem_device = sd, \ .pm_mode_modifier = pm, \ .new_reinit_func = fn \ } static struct radeon_device_id radeon_workaround_list[] = { BUGFIX("IBM Thinkpad R32", PCI_VENDOR_ID_IBM, 0x1905, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad R40", PCI_VENDOR_ID_IBM, 0x0526, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad R40", PCI_VENDOR_ID_IBM, 0x0527, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad R50/R51/T40/T41", PCI_VENDOR_ID_IBM, 0x0531, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad R51/T40/T41/T42", PCI_VENDOR_ID_IBM, 0x0530, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad T30", PCI_VENDOR_ID_IBM, 0x0517, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad T40p", PCI_VENDOR_ID_IBM, 0x054d, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad T42", PCI_VENDOR_ID_IBM, 0x0550, radeon_pm_d2, NULL), BUGFIX("IBM Thinkpad X31/X32", PCI_VENDOR_ID_IBM, 0x052f, radeon_pm_d2, NULL), BUGFIX("Samsung P35", PCI_VENDOR_ID_SAMSUNG, 0xc00c, radeon_pm_off, radeon_reinitialize_M10), BUGFIX("Acer Aspire 2010", PCI_VENDOR_ID_AI, 0x0061, radeon_pm_off, radeon_reinitialize_M10), BUGFIX("Acer Travelmate 290D/292LMi", PCI_VENDOR_ID_AI, 0x005a, radeon_pm_off, radeon_reinitialize_M10), { .ident = NULL } }; static int radeon_apply_workarounds(struct radeonfb_info *rinfo) { struct radeon_device_id *id; for (id = radeon_workaround_list; id->ident != NULL; id++ ) if ((id->subsystem_vendor == rinfo->pdev->subsystem_vendor ) && (id->subsystem_device == rinfo->pdev->subsystem_device )) { /* we found a device that requires workaround */ printk(KERN_DEBUG "radeonfb: %s detected" ", enabling workaround\n", id->ident); rinfo->pm_mode |= id->pm_mode_modifier; if (id->new_reinit_func != NULL) rinfo->reinit_func = id->new_reinit_func; return 1; } return 0; /* not found */ } #else /* defined(CONFIG_PM) && defined(CONFIG_X86) */ static inline int radeon_apply_workarounds(struct radeonfb_info *rinfo) { return 0; } #endif /* defined(CONFIG_PM) && defined(CONFIG_X86) */ static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo) { u32 tmp; /* RV100 */ if ((rinfo->family == CHIP_FAMILY_RV100) && (!rinfo->is_mobility)) { if (rinfo->has_CRTC2) { tmp = INPLL(pllSCLK_CNTL); tmp &= ~SCLK_CNTL__DYN_STOP_LAT_MASK; tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT | SCLK_CNTL__FORCEON_MASK; OUTPLL(pllSCLK_CNTL, tmp); } tmp = INPLL(pllMCLK_CNTL); tmp |= (MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB | MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB | MCLK_CNTL__FORCE_AIC | MCLK_CNTL__FORCE_MC); OUTPLL(pllMCLK_CNTL, tmp); return; } /* R100 */ if (!rinfo->has_CRTC2) { tmp = INPLL(pllSCLK_CNTL); tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 | SCLK_CNTL__FORCE_SE | SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_VIP | SCLK_CNTL__FORCE_RE | SCLK_CNTL__FORCE_PB | SCLK_CNTL__FORCE_TAM | SCLK_CNTL__FORCE_TDM | SCLK_CNTL__FORCE_RB); OUTPLL(pllSCLK_CNTL, tmp); return; } /* RV350 (M10/M11) */ if (rinfo->family == CHIP_FAMILY_RV350) { /* for RV350/M10/M11, no delays are required. */ tmp = INPLL(pllSCLK_CNTL2); tmp |= (SCLK_CNTL2__R300_FORCE_TCL | SCLK_CNTL2__R300_FORCE_GA | SCLK_CNTL2__R300_FORCE_CBA); OUTPLL(pllSCLK_CNTL2, tmp); tmp = INPLL(pllSCLK_CNTL); tmp |= (SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 | SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR | SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX | SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK | SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0); OUTPLL(pllSCLK_CNTL, tmp); tmp = INPLL(pllSCLK_MORE_CNTL); tmp |= (SCLK_MORE_CNTL__FORCE_DISPREGS | SCLK_MORE_CNTL__FORCE_MC_GUI | SCLK_MORE_CNTL__FORCE_MC_HOST); OUTPLL(pllSCLK_MORE_CNTL, tmp); tmp = INPLL(pllMCLK_CNTL); tmp |= (MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB | MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB | MCLK_CNTL__FORCE_MC); OUTPLL(pllMCLK_CNTL, tmp); tmp = INPLL(pllVCLK_ECP_CNTL); tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb | VCLK_ECP_CNTL__R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF); OUTPLL(pllVCLK_ECP_CNTL, tmp); tmp = INPLL(pllPIXCLKS_CNTL); tmp &= ~(PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb | PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb | PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb | PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb | PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb | PIXCLKS_CNTL__R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF); OUTPLL(pllPIXCLKS_CNTL, tmp); return; } /* Default */ /* Force Core Clocks */ tmp = INPLL(pllSCLK_CNTL); tmp |= (SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_E2); /* XFree doesn't do that case, but we had this code from Apple and it * seem necessary for proper suspend/resume operations */ if (rinfo->is_mobility) { tmp |= SCLK_CNTL__FORCE_HDP| SCLK_CNTL__FORCE_DISP1| SCLK_CNTL__FORCE_DISP2| SCLK_CNTL__FORCE_TOP| SCLK_CNTL__FORCE_SE| SCLK_CNTL__FORCE_IDCT| SCLK_CNTL__FORCE_VIP| SCLK_CNTL__FORCE_PB| SCLK_CNTL__FORCE_RE| SCLK_CNTL__FORCE_TAM| SCLK_CNTL__FORCE_TDM| SCLK_CNTL__FORCE_RB| SCLK_CNTL__FORCE_TV_SCLK| SCLK_CNTL__FORCE_SUBPIC| SCLK_CNTL__FORCE_OV0; } else if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) { tmp |= SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_VIP; } OUTPLL(pllSCLK_CNTL, tmp); radeon_msleep(16); if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) { tmp = INPLL(pllSCLK_CNTL2); tmp |= SCLK_CNTL2__R300_FORCE_TCL | SCLK_CNTL2__R300_FORCE_GA | SCLK_CNTL2__R300_FORCE_CBA; OUTPLL(pllSCLK_CNTL2, tmp); radeon_msleep(16); } tmp = INPLL(pllCLK_PIN_CNTL); tmp &= ~CLK_PIN_CNTL__SCLK_DYN_START_CNTL; OUTPLL(pllCLK_PIN_CNTL, tmp); radeon_msleep(15); if (rinfo->is_IGP) { /* Weird ... X is _un_ forcing clocks here, I think it's * doing backward. Imitate it for now... */ tmp = INPLL(pllMCLK_CNTL); tmp &= ~(MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_YCLKA); OUTPLL(pllMCLK_CNTL, tmp); radeon_msleep(16); } /* Hrm... same shit, X doesn't do that but I have to */ else if (rinfo->is_mobility) { tmp = INPLL(pllMCLK_CNTL); tmp |= (MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB | MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB); OUTPLL(pllMCLK_CNTL, tmp); radeon_msleep(16); tmp = INPLL(pllMCLK_MISC); tmp &= ~(MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT| MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT| MCLK_MISC__MC_MCLK_DYN_ENABLE| MCLK_MISC__IO_MCLK_DYN_ENABLE); OUTPLL(pllMCLK_MISC, tmp); radeon_msleep(15); } if (rinfo->is_mobility) { tmp = INPLL(pllSCLK_MORE_CNTL); tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS| SCLK_MORE_CNTL__FORCE_MC_GUI| SCLK_MORE_CNTL__FORCE_MC_HOST; OUTPLL(pllSCLK_MORE_CNTL, tmp); radeon_msleep(16); } tmp = INPLL(pllPIXCLKS_CNTL); tmp &= ~(PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb| PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb| PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb); OUTPLL(pllPIXCLKS_CNTL, tmp); radeon_msleep(16); tmp = INPLL( pllVCLK_ECP_CNTL); tmp &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); OUTPLL( pllVCLK_ECP_CNTL, tmp); radeon_msleep(16); } static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) { u32 tmp; /* R100 */ if (!rinfo->has_CRTC2) { tmp = INPLL(pllSCLK_CNTL); if ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13) tmp &= ~(SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_RB); tmp &= ~(SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_SE | SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_RE | SCLK_CNTL__FORCE_PB | SCLK_CNTL__FORCE_TAM | SCLK_CNTL__FORCE_TDM); OUTPLL(pllSCLK_CNTL, tmp); return; } /* M10/M11 */ if (rinfo->family == CHIP_FAMILY_RV350) { tmp = INPLL(pllSCLK_CNTL2); tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL | SCLK_CNTL2__R300_FORCE_GA | SCLK_CNTL2__R300_FORCE_CBA); tmp |= (SCLK_CNTL2__R300_TCL_MAX_DYN_STOP_LAT | SCLK_CNTL2__R300_GA_MAX_DYN_STOP_LAT | SCLK_CNTL2__R300_CBA_MAX_DYN_STOP_LAT); OUTPLL(pllSCLK_CNTL2, tmp); tmp = INPLL(pllSCLK_CNTL); tmp &= ~(SCLK_CNTL__FORCE_DISP2 | SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_E2 | SCLK_CNTL__R300_FORCE_VAP | SCLK_CNTL__FORCE_IDCT | SCLK_CNTL__FORCE_VIP | SCLK_CNTL__R300_FORCE_SR | SCLK_CNTL__R300_FORCE_PX | SCLK_CNTL__R300_FORCE_TX | SCLK_CNTL__R300_FORCE_US | SCLK_CNTL__FORCE_TV_SCLK | SCLK_CNTL__R300_FORCE_SU | SCLK_CNTL__FORCE_OV0); tmp |= SCLK_CNTL__DYN_STOP_LAT_MASK; OUTPLL(pllSCLK_CNTL, tmp); tmp = INPLL(pllSCLK_MORE_CNTL); tmp &= ~SCLK_MORE_CNTL__FORCEON; tmp |= SCLK_MORE_CNTL__DISPREGS_MAX_DYN_STOP_LAT | SCLK_MORE_CNTL__MC_GUI_MAX_DYN_STOP_LAT | SCLK_MORE_CNTL__MC_HOST_MAX_DYN_STOP_LAT; OUTPLL(pllSCLK_MORE_CNTL, tmp); tmp = INPLL(pllVCLK_ECP_CNTL); tmp |= (VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); OUTPLL(pllVCLK_ECP_CNTL, tmp); tmp = INPLL(pllPIXCLKS_CNTL); tmp |= (PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb | PIXCLKS_CNTL__DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | PIXCLKS_CNTL__R300_DVOCLK_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | PIXCLKS_CNTL__R300_PIXCLK_DVO_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb | PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb | PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb | PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb | PIXCLKS_CNTL__R300_P2G2CLK_DAC_ALWAYS_ONb); OUTPLL(pllPIXCLKS_CNTL, tmp); tmp = INPLL(pllMCLK_MISC); tmp |= (MCLK_MISC__MC_MCLK_DYN_ENABLE | MCLK_MISC__IO_MCLK_DYN_ENABLE); OUTPLL(pllMCLK_MISC, tmp); tmp = INPLL(pllMCLK_CNTL); tmp |= (MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB); tmp &= ~(MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB | MCLK_CNTL__FORCE_MC); /* Some releases of vbios have set DISABLE_MC_MCLKA * and DISABLE_MC_MCLKB bits in the vbios table. Setting these * bits will cause H/W hang when reading video memory with dynamic * clocking enabled. */ if ((tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKA) && (tmp & MCLK_CNTL__R300_DISABLE_MC_MCLKB)) { /* If both bits are set, then check the active channels */ tmp = INPLL(pllMCLK_CNTL); if (rinfo->vram_width == 64) { if (INREG(MEM_CNTL) & R300_MEM_USE_CD_CH_ONLY) tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKB; else tmp &= ~MCLK_CNTL__R300_DISABLE_MC_MCLKA; } else { tmp &= ~(MCLK_CNTL__R300_DISABLE_MC_MCLKA | MCLK_CNTL__R300_DISABLE_MC_MCLKB); } } OUTPLL(pllMCLK_CNTL, tmp); return; } /* R300 */ if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_R350) { tmp = INPLL(pllSCLK_CNTL); tmp &= ~(SCLK_CNTL__R300_FORCE_VAP); tmp |= SCLK_CNTL__FORCE_CP; OUTPLL(pllSCLK_CNTL, tmp); radeon_msleep(15); tmp = INPLL(pllSCLK_CNTL2); tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL | SCLK_CNTL2__R300_FORCE_GA | SCLK_CNTL2__R300_FORCE_CBA); OUTPLL(pllSCLK_CNTL2, tmp); } /* Others */ tmp = INPLL( pllCLK_PWRMGT_CNTL); tmp &= ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK| CLK_PWRMGT_CNTL__DISP_DYN_STOP_LAT_MASK| CLK_PWRMGT_CNTL__DYN_STOP_MODE_MASK); tmp |= CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE_MASK | (0x01 << CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT__SHIFT); OUTPLL( pllCLK_PWRMGT_CNTL, tmp); radeon_msleep(15); tmp = INPLL(pllCLK_PIN_CNTL); tmp |= CLK_PIN_CNTL__SCLK_DYN_START_CNTL; OUTPLL(pllCLK_PIN_CNTL, tmp); radeon_msleep(15); /* When DRI is enabled, setting DYN_STOP_LAT to zero can cause some R200 * to lockup randomly, leave them as set by BIOS. */ tmp = INPLL(pllSCLK_CNTL); tmp &= ~SCLK_CNTL__FORCEON_MASK; /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300*/ if ((rinfo->family == CHIP_FAMILY_RV250 && ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) || ((rinfo->family == CHIP_FAMILY_RV100) && ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) { tmp |= SCLK_CNTL__FORCE_CP; tmp |= SCLK_CNTL__FORCE_VIP; } OUTPLL(pllSCLK_CNTL, tmp); radeon_msleep(15); if ((rinfo->family == CHIP_FAMILY_RV200) || (rinfo->family == CHIP_FAMILY_RV250) || (rinfo->family == CHIP_FAMILY_RV280)) { tmp = INPLL(pllSCLK_MORE_CNTL); tmp &= ~SCLK_MORE_CNTL__FORCEON; /* RV200::A11 A12 RV250::A11 A12 */ if (((rinfo->family == CHIP_FAMILY_RV200) || (rinfo->family == CHIP_FAMILY_RV250)) && ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) tmp |= SCLK_MORE_CNTL__FORCEON; OUTPLL(pllSCLK_MORE_CNTL, tmp); radeon_msleep(15); } /* RV200::A11 A12, RV250::A11 A12 */ if (((rinfo->family == CHIP_FAMILY_RV200) || (rinfo->family == CHIP_FAMILY_RV250)) && ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) { tmp = INPLL(pllPLL_PWRMGT_CNTL); tmp |= PLL_PWRMGT_CNTL__TCL_BYPASS_DISABLE; OUTPLL(pllPLL_PWRMGT_CNTL, tmp); radeon_msleep(15); } tmp = INPLL(pllPIXCLKS_CNTL); tmp |= PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb; OUTPLL(pllPIXCLKS_CNTL, tmp); radeon_msleep(15); tmp = INPLL(pllVCLK_ECP_CNTL); tmp |= VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb; OUTPLL(pllVCLK_ECP_CNTL, tmp); /* X doesn't do that ... hrm, we do on mobility && Macs */ #ifdef CONFIG_PPC if (rinfo->is_mobility) { tmp = INPLL(pllMCLK_CNTL); tmp &= ~(MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB | MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB); OUTPLL(pllMCLK_CNTL, tmp); radeon_msleep(15); tmp = INPLL(pllMCLK_MISC); tmp |= MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT| MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT| MCLK_MISC__MC_MCLK_DYN_ENABLE| MCLK_MISC__IO_MCLK_DYN_ENABLE; OUTPLL(pllMCLK_MISC, tmp); radeon_msleep(15); } #endif /* CONFIG_PPC */ } #ifdef CONFIG_PM static void OUTMC( struct radeonfb_info *rinfo, u8 indx, u32 value) { OUTREG( MC_IND_INDEX, indx | MC_IND_INDEX__MC_IND_WR_EN); OUTREG( MC_IND_DATA, value); } static u32 INMC(struct radeonfb_info *rinfo, u8 indx) { OUTREG( MC_IND_INDEX, indx); return INREG( MC_IND_DATA); } static void radeon_pm_save_regs(struct radeonfb_info *rinfo, int saving_for_d3) { rinfo->save_regs[0] = INPLL(PLL_PWRMGT_CNTL); rinfo->save_regs[1] = INPLL(CLK_PWRMGT_CNTL); rinfo->save_regs[2] = INPLL(MCLK_CNTL); rinfo->save_regs[3] = INPLL(SCLK_CNTL); rinfo->save_regs[4] = INPLL(CLK_PIN_CNTL); rinfo->save_regs[5] = INPLL(VCLK_ECP_CNTL); rinfo->save_regs[6] = INPLL(PIXCLKS_CNTL); rinfo->save_regs[7] = INPLL(MCLK_MISC); rinfo->save_regs[8] = INPLL(P2PLL_CNTL); rinfo->save_regs[9] = INREG(DISP_MISC_CNTL); rinfo->save_regs[10] = INREG(DISP_PWR_MAN); rinfo->save_regs[11] = INREG(LVDS_GEN_CNTL); rinfo->save_regs[13] = INREG(TV_DAC_CNTL); rinfo->save_regs[14] = INREG(BUS_CNTL1); rinfo->save_regs[15] = INREG(CRTC_OFFSET_CNTL); rinfo->save_regs[16] = INREG(AGP_CNTL); rinfo->save_regs[17] = (INREG(CRTC_GEN_CNTL) & 0xfdffffff) | 0x04000000; rinfo->save_regs[18] = (INREG(CRTC2_GEN_CNTL) & 0xfdffffff) | 0x04000000; rinfo->save_regs[19] = INREG(GPIOPAD_A); rinfo->save_regs[20] = INREG(GPIOPAD_EN); rinfo->save_regs[21] = INREG(GPIOPAD_MASK); rinfo->save_regs[22] = INREG(ZV_LCDPAD_A); rinfo->save_regs[23] = INREG(ZV_LCDPAD_EN); rinfo->save_regs[24] = INREG(ZV_LCDPAD_MASK); rinfo->save_regs[25] = INREG(GPIO_VGA_DDC); rinfo->save_regs[26] = INREG(GPIO_DVI_DDC); rinfo->save_regs[27] = INREG(GPIO_MONID); rinfo->save_regs[28] = INREG(GPIO_CRT2_DDC); rinfo->save_regs[29] = INREG(SURFACE_CNTL); rinfo->save_regs[30] = INREG(MC_FB_LOCATION); rinfo->save_regs[31] = INREG(DISPLAY_BASE_ADDR); rinfo->save_regs[32] = INREG(MC_AGP_LOCATION); rinfo->save_regs[33] = INREG(CRTC2_DISPLAY_BASE_ADDR); rinfo->save_regs[34] = INPLL(SCLK_MORE_CNTL); rinfo->save_regs[35] = INREG(MEM_SDRAM_MODE_REG); rinfo->save_regs[36] = INREG(BUS_CNTL); rinfo->save_regs[39] = INREG(RBBM_CNTL); rinfo->save_regs[40] = INREG(DAC_CNTL); rinfo->save_regs[41] = INREG(HOST_PATH_CNTL); rinfo->save_regs[37] = INREG(MPP_TB_CONFIG); rinfo->save_regs[38] = INREG(FCP_CNTL); if (rinfo->is_mobility) { rinfo->save_regs[12] = INREG(LVDS_PLL_CNTL); rinfo->save_regs[43] = INPLL(pllSSPLL_CNTL); rinfo->save_regs[44] = INPLL(pllSSPLL_REF_DIV); rinfo->save_regs[45] = INPLL(pllSSPLL_DIV_0); rinfo->save_regs[90] = INPLL(pllSS_INT_CNTL); rinfo->save_regs[91] = INPLL(pllSS_TST_CNTL); rinfo->save_regs[81] = INREG(LVDS_GEN_CNTL); } if (rinfo->family >= CHIP_FAMILY_RV200) { rinfo->save_regs[42] = INREG(MEM_REFRESH_CNTL); rinfo->save_regs[46] = INREG(MC_CNTL); rinfo->save_regs[47] = INREG(MC_INIT_GFX_LAT_TIMER); rinfo->save_regs[48] = INREG(MC_INIT_MISC_LAT_TIMER); rinfo->save_regs[49] = INREG(MC_TIMING_CNTL); rinfo->save_regs[50] = INREG(MC_READ_CNTL_AB); rinfo->save_regs[51] = INREG(MC_IOPAD_CNTL); rinfo->save_regs[52] = INREG(MC_CHIP_IO_OE_CNTL_AB); rinfo->save_regs[53] = INREG(MC_DEBUG); } rinfo->save_regs[54] = INREG(PAMAC0_DLY_CNTL); rinfo->save_regs[55] = INREG(PAMAC1_DLY_CNTL); rinfo->save_regs[56] = INREG(PAD_CTLR_MISC); rinfo->save_regs[57] = INREG(FW_CNTL); if (rinfo->family >= CHIP_FAMILY_R300) { rinfo->save_regs[58] = INMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER); rinfo->save_regs[59] = INMC(rinfo, ixR300_MC_IMP_CNTL); rinfo->save_regs[60] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0); rinfo->save_regs[61] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1); rinfo->save_regs[62] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0); rinfo->save_regs[63] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1); rinfo->save_regs[64] = INMC(rinfo, ixR300_MC_BIST_CNTL_3); rinfo->save_regs[65] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0); rinfo->save_regs[66] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1); rinfo->save_regs[67] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0); rinfo->save_regs[68] = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1); rinfo->save_regs[69] = INMC(rinfo, ixR300_MC_DEBUG_CNTL); rinfo->save_regs[70] = INMC(rinfo, ixR300_MC_DLL_CNTL); rinfo->save_regs[71] = INMC(rinfo, ixR300_MC_IMP_CNTL_0); rinfo->save_regs[72] = INMC(rinfo, ixR300_MC_ELPIDA_CNTL); rinfo->save_regs[96] = INMC(rinfo, ixR300_MC_READ_CNTL_CD); } else { rinfo->save_regs[59] = INMC(rinfo, ixMC_IMP_CNTL); rinfo->save_regs[65] = INMC(rinfo, ixMC_CHP_IO_CNTL_A0); rinfo->save_regs[66] = INMC(rinfo, ixMC_CHP_IO_CNTL_A1); rinfo->save_regs[67] = INMC(rinfo, ixMC_CHP_IO_CNTL_B0); rinfo->save_regs[68] = INMC(rinfo, ixMC_CHP_IO_CNTL_B1); rinfo->save_regs[71] = INMC(rinfo, ixMC_IMP_CNTL_0); } rinfo->save_regs[73] = INPLL(pllMPLL_CNTL); rinfo->save_regs[74] = INPLL(pllSPLL_CNTL); rinfo->save_regs[75] = INPLL(pllMPLL_AUX_CNTL); rinfo->save_regs[76] = INPLL(pllSPLL_AUX_CNTL); rinfo->save_regs[77] = INPLL(pllM_SPLL_REF_FB_DIV); rinfo->save_regs[78] = INPLL(pllAGP_PLL_CNTL); rinfo->save_regs[79] = INREG(PAMAC2_DLY_CNTL); rinfo->save_regs[80] = INREG(OV0_BASE_ADDR); rinfo->save_regs[82] = INREG(FP_GEN_CNTL); rinfo->save_regs[83] = INREG(FP2_GEN_CNTL); rinfo->save_regs[84] = INREG(TMDS_CNTL); rinfo->save_regs[85] = INREG(TMDS_TRANSMITTER_CNTL); rinfo->save_regs[86] = INREG(DISP_OUTPUT_CNTL); rinfo->save_regs[87] = INREG(DISP_HW_DEBUG); rinfo->save_regs[88] = INREG(TV_MASTER_CNTL); rinfo->save_regs[89] = INPLL(pllP2PLL_REF_DIV); rinfo->save_regs[92] = INPLL(pllPPLL_DIV_0); rinfo->save_regs[93] = INPLL(pllPPLL_CNTL); rinfo->save_regs[94] = INREG(GRPH_BUFFER_CNTL); rinfo->save_regs[95] = INREG(GRPH2_BUFFER_CNTL); rinfo->save_regs[96] = INREG(HDP_DEBUG); rinfo->save_regs[97] = INPLL(pllMDLL_CKO); rinfo->save_regs[98] = INPLL(pllMDLL_RDCKA); rinfo->save_regs[99] = INPLL(pllMDLL_RDCKB); } static void radeon_pm_restore_regs(struct radeonfb_info *rinfo) { OUTPLL(P2PLL_CNTL, rinfo->save_regs[8] & 0xFFFFFFFE); /* First */ OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]); OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]); OUTPLL(MCLK_CNTL, rinfo->save_regs[2]); OUTPLL(SCLK_CNTL, rinfo->save_regs[3]); OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]); OUTPLL(VCLK_ECP_CNTL, rinfo->save_regs[5]); OUTPLL(PIXCLKS_CNTL, rinfo->save_regs[6]); OUTPLL(MCLK_MISC, rinfo->save_regs[7]); if (rinfo->family == CHIP_FAMILY_RV350) OUTPLL(SCLK_MORE_CNTL, rinfo->save_regs[34]); OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); OUTREG(CNFG_MEMSIZE, rinfo->video_ram); OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]); OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11]); OUTREG(LVDS_PLL_CNTL,rinfo->save_regs[12]); OUTREG(TV_DAC_CNTL, rinfo->save_regs[13]); OUTREG(BUS_CNTL1, rinfo->save_regs[14]); OUTREG(CRTC_OFFSET_CNTL, rinfo->save_regs[15]); OUTREG(AGP_CNTL, rinfo->save_regs[16]); OUTREG(CRTC_GEN_CNTL, rinfo->save_regs[17]); OUTREG(CRTC2_GEN_CNTL, rinfo->save_regs[18]); OUTPLL(P2PLL_CNTL, rinfo->save_regs[8]); OUTREG(GPIOPAD_A, rinfo->save_regs[19]); OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); OUTREG(ZV_LCDPAD_A, rinfo->save_regs[22]); OUTREG(ZV_LCDPAD_EN, rinfo->save_regs[23]); OUTREG(ZV_LCDPAD_MASK, rinfo->save_regs[24]); OUTREG(GPIO_VGA_DDC, rinfo->save_regs[25]); OUTREG(GPIO_DVI_DDC, rinfo->save_regs[26]); OUTREG(GPIO_MONID, rinfo->save_regs[27]); OUTREG(GPIO_CRT2_DDC, rinfo->save_regs[28]); } static void radeon_pm_disable_iopad(struct radeonfb_info *rinfo) { OUTREG(GPIOPAD_MASK, 0x0001ffff); OUTREG(GPIOPAD_EN, 0x00000400); OUTREG(GPIOPAD_A, 0x00000000); OUTREG(ZV_LCDPAD_MASK, 0x00000000); OUTREG(ZV_LCDPAD_EN, 0x00000000); OUTREG(ZV_LCDPAD_A, 0x00000000); OUTREG(GPIO_VGA_DDC, 0x00030000); OUTREG(GPIO_DVI_DDC, 0x00000000); OUTREG(GPIO_MONID, 0x00030000); OUTREG(GPIO_CRT2_DDC, 0x00000000); } static void radeon_pm_program_v2clk(struct radeonfb_info *rinfo) { /* Set v2clk to 65MHz */ if (rinfo->family <= CHIP_FAMILY_RV280) { OUTPLL(pllPIXCLKS_CNTL, __INPLL(rinfo, pllPIXCLKS_CNTL) & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK); OUTPLL(pllP2PLL_REF_DIV, 0x0000000c); OUTPLL(pllP2PLL_CNTL, 0x0000bf00); } else { OUTPLL(pllP2PLL_REF_DIV, 0x0000000c); INPLL(pllP2PLL_REF_DIV); OUTPLL(pllP2PLL_CNTL, 0x0000a700); } OUTPLL(pllP2PLL_DIV_0, 0x00020074 | P2PLL_DIV_0__P2PLL_ATOMIC_UPDATE_W); OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_SLEEP); mdelay(1); OUTPLL(pllP2PLL_CNTL, INPLL(pllP2PLL_CNTL) & ~P2PLL_CNTL__P2PLL_RESET); mdelay( 1); OUTPLL(pllPIXCLKS_CNTL, (INPLL(pllPIXCLKS_CNTL) & ~PIXCLKS_CNTL__PIX2CLK_SRC_SEL_MASK) | (0x03 << PIXCLKS_CNTL__PIX2CLK_SRC_SEL__SHIFT)); mdelay( 1); } static void radeon_pm_low_current(struct radeonfb_info *rinfo) { u32 reg; reg = INREG(BUS_CNTL1); if (rinfo->family <= CHIP_FAMILY_RV280) { reg &= ~BUS_CNTL1_MOBILE_PLATFORM_SEL_MASK; reg |= BUS_CNTL1_AGPCLK_VALID | (1<<BUS_CNTL1_MOBILE_PLATFORM_SEL_SHIFT); } else { reg |= 0x4080; } OUTREG(BUS_CNTL1, reg); reg = INPLL(PLL_PWRMGT_CNTL); reg |= PLL_PWRMGT_CNTL_SPLL_TURNOFF | PLL_PWRMGT_CNTL_PPLL_TURNOFF | PLL_PWRMGT_CNTL_P2PLL_TURNOFF | PLL_PWRMGT_CNTL_TVPLL_TURNOFF; reg &= ~PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK; reg &= ~PLL_PWRMGT_CNTL_MOBILE_SU; OUTPLL(PLL_PWRMGT_CNTL, reg); reg = INREG(TV_DAC_CNTL); reg &= ~(TV_DAC_CNTL_BGADJ_MASK |TV_DAC_CNTL_DACADJ_MASK); reg |=TV_DAC_CNTL_BGSLEEP | TV_DAC_CNTL_RDACPD | TV_DAC_CNTL_GDACPD | TV_DAC_CNTL_BDACPD | (8<<TV_DAC_CNTL_BGADJ__SHIFT) | (8<<TV_DAC_CNTL_DACADJ__SHIFT); OUTREG(TV_DAC_CNTL, reg); reg = INREG(TMDS_TRANSMITTER_CNTL); reg &= ~(TMDS_PLL_EN | TMDS_PLLRST); OUTREG(TMDS_TRANSMITTER_CNTL, reg); reg = INREG(DAC_CNTL); reg &= ~DAC_CMP_EN; OUTREG(DAC_CNTL, reg); reg = INREG(DAC_CNTL2); reg &= ~DAC2_CMP_EN; OUTREG(DAC_CNTL2, reg); reg = INREG(TV_DAC_CNTL); reg &= ~TV_DAC_CNTL_DETECT; OUTREG(TV_DAC_CNTL, reg); } static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo) { u32 sclk_cntl, mclk_cntl, sclk_more_cntl; u32 pll_pwrmgt_cntl; u32 clk_pwrmgt_cntl; u32 clk_pin_cntl; u32 vclk_ecp_cntl; u32 pixclks_cntl; u32 disp_mis_cntl; u32 disp_pwr_man; u32 tmp; /* Force Core Clocks */ sclk_cntl = INPLL( pllSCLK_CNTL); sclk_cntl |= SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT| SCLK_CNTL__VIP_MAX_DYN_STOP_LAT| SCLK_CNTL__RE_MAX_DYN_STOP_LAT| SCLK_CNTL__PB_MAX_DYN_STOP_LAT| SCLK_CNTL__TAM_MAX_DYN_STOP_LAT| SCLK_CNTL__TDM_MAX_DYN_STOP_LAT| SCLK_CNTL__RB_MAX_DYN_STOP_LAT| SCLK_CNTL__FORCE_DISP2| SCLK_CNTL__FORCE_CP| SCLK_CNTL__FORCE_HDP| SCLK_CNTL__FORCE_DISP1| SCLK_CNTL__FORCE_TOP| SCLK_CNTL__FORCE_E2| SCLK_CNTL__FORCE_SE| SCLK_CNTL__FORCE_IDCT| SCLK_CNTL__FORCE_VIP| SCLK_CNTL__FORCE_PB| SCLK_CNTL__FORCE_TAM| SCLK_CNTL__FORCE_TDM| SCLK_CNTL__FORCE_RB| SCLK_CNTL__FORCE_TV_SCLK| SCLK_CNTL__FORCE_SUBPIC| SCLK_CNTL__FORCE_OV0; if (rinfo->family <= CHIP_FAMILY_RV280) sclk_cntl |= SCLK_CNTL__FORCE_RE; else sclk_cntl |= SCLK_CNTL__SE_MAX_DYN_STOP_LAT | SCLK_CNTL__E2_MAX_DYN_STOP_LAT | SCLK_CNTL__TV_MAX_DYN_STOP_LAT | SCLK_CNTL__HDP_MAX_DYN_STOP_LAT | SCLK_CNTL__CP_MAX_DYN_STOP_LAT; OUTPLL( pllSCLK_CNTL, sclk_cntl); sclk_more_cntl = INPLL(pllSCLK_MORE_CNTL); sclk_more_cntl |= SCLK_MORE_CNTL__FORCE_DISPREGS | SCLK_MORE_CNTL__FORCE_MC_GUI | SCLK_MORE_CNTL__FORCE_MC_HOST; OUTPLL(pllSCLK_MORE_CNTL, sclk_more_cntl); mclk_cntl = INPLL( pllMCLK_CNTL); mclk_cntl &= ~( MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB | MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB | MCLK_CNTL__FORCE_MC ); OUTPLL( pllMCLK_CNTL, mclk_cntl); /* Force Display clocks */ vclk_ecp_cntl = INPLL( pllVCLK_ECP_CNTL); vclk_ecp_cntl &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb); vclk_ecp_cntl |= VCLK_ECP_CNTL__ECP_FORCE_ON; OUTPLL( pllVCLK_ECP_CNTL, vclk_ecp_cntl); pixclks_cntl = INPLL( pllPIXCLKS_CNTL); pixclks_cntl &= ~( PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb | PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb| PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb| PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb| PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb); OUTPLL( pllPIXCLKS_CNTL, pixclks_cntl); /* Switch off LVDS interface */ OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_BLON | LVDS_EN | LVDS_ON | LVDS_DIGON)); /* Enable System power management */ pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL); pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__SPLL_TURNOFF | PLL_PWRMGT_CNTL__MPLL_TURNOFF| PLL_PWRMGT_CNTL__PPLL_TURNOFF| PLL_PWRMGT_CNTL__P2PLL_TURNOFF| PLL_PWRMGT_CNTL__TVPLL_TURNOFF; OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl); clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL); clk_pwrmgt_cntl &= ~( CLK_PWRMGT_CNTL__MPLL_PWRMGT_OFF| CLK_PWRMGT_CNTL__SPLL_PWRMGT_OFF| CLK_PWRMGT_CNTL__PPLL_PWRMGT_OFF| CLK_PWRMGT_CNTL__P2PLL_PWRMGT_OFF| CLK_PWRMGT_CNTL__MCLK_TURNOFF| CLK_PWRMGT_CNTL__SCLK_TURNOFF| CLK_PWRMGT_CNTL__PCLK_TURNOFF| CLK_PWRMGT_CNTL__P2CLK_TURNOFF| CLK_PWRMGT_CNTL__TVPLL_PWRMGT_OFF| CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN| CLK_PWRMGT_CNTL__ENGINE_DYNCLK_MODE| CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK| CLK_PWRMGT_CNTL__CG_NO1_DEBUG_MASK ); clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__GLOBAL_PMAN_EN | CLK_PWRMGT_CNTL__DISP_PM; OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl); clk_pin_cntl = INPLL( pllCLK_PIN_CNTL); clk_pin_cntl &= ~CLK_PIN_CNTL__ACCESS_REGS_IN_SUSPEND; /* because both INPLL and OUTPLL take the same lock, that's why. */ tmp = INPLL( pllMCLK_MISC) | MCLK_MISC__EN_MCLK_TRISTATE_IN_SUSPEND; OUTPLL( pllMCLK_MISC, tmp); /* BUS_CNTL1__MOBILE_PLATORM_SEL setting is northbridge chipset * and radeon chip dependent. Thus we only enable it on Mac for * now (until we get more info on how to compute the correct * value for various X86 bridges). */ #ifdef CONFIG_PPC_PMAC if (machine_is(powermac)) { /* AGP PLL control */ if (rinfo->family <= CHIP_FAMILY_RV280) { OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) | BUS_CNTL1__AGPCLK_VALID); OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK) | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT)); // 440BX } else { OUTREG(BUS_CNTL1, INREG(BUS_CNTL1)); OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000); } } #endif OUTREG(CRTC_OFFSET_CNTL, (INREG(CRTC_OFFSET_CNTL) & ~CRTC_OFFSET_CNTL__CRTC_STEREO_SYNC_OUT_EN)); clk_pin_cntl &= ~CLK_PIN_CNTL__CG_CLK_TO_OUTPIN; clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb; OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl); /* Solano2M */ OUTREG(AGP_CNTL, (INREG(AGP_CNTL) & ~(AGP_CNTL__MAX_IDLE_CLK_MASK)) | (0x20<<AGP_CNTL__MAX_IDLE_CLK__SHIFT)); /* ACPI mode */ /* because both INPLL and OUTPLL take the same lock, that's why. */ tmp = INPLL( pllPLL_PWRMGT_CNTL) & ~PLL_PWRMGT_CNTL__PM_MODE_SEL; OUTPLL( pllPLL_PWRMGT_CNTL, tmp); disp_mis_cntl = INREG(DISP_MISC_CNTL); disp_mis_cntl &= ~( DISP_MISC_CNTL__SOFT_RESET_GRPH_PP | DISP_MISC_CNTL__SOFT_RESET_SUBPIC_PP | DISP_MISC_CNTL__SOFT_RESET_OV0_PP | DISP_MISC_CNTL__SOFT_RESET_GRPH_SCLK| DISP_MISC_CNTL__SOFT_RESET_SUBPIC_SCLK| DISP_MISC_CNTL__SOFT_RESET_OV0_SCLK| DISP_MISC_CNTL__SOFT_RESET_GRPH2_PP| DISP_MISC_CNTL__SOFT_RESET_GRPH2_SCLK| DISP_MISC_CNTL__SOFT_RESET_LVDS| DISP_MISC_CNTL__SOFT_RESET_TMDS| DISP_MISC_CNTL__SOFT_RESET_DIG_TMDS| DISP_MISC_CNTL__SOFT_RESET_TV); OUTREG(DISP_MISC_CNTL, disp_mis_cntl); disp_pwr_man = INREG(DISP_PWR_MAN); disp_pwr_man &= ~( DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN | DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN | DISP_PWR_MAN__DISP_PWR_MAN_DPMS_MASK| DISP_PWR_MAN__DISP_D3_RST| DISP_PWR_MAN__DISP_D3_REG_RST ); disp_pwr_man |= DISP_PWR_MAN__DISP_D3_GRPH_RST| DISP_PWR_MAN__DISP_D3_SUBPIC_RST| DISP_PWR_MAN__DISP_D3_OV0_RST| DISP_PWR_MAN__DISP_D1D2_GRPH_RST| DISP_PWR_MAN__DISP_D1D2_SUBPIC_RST| DISP_PWR_MAN__DISP_D1D2_OV0_RST| DISP_PWR_MAN__DIG_TMDS_ENABLE_RST| DISP_PWR_MAN__TV_ENABLE_RST| // DISP_PWR_MAN__AUTO_PWRUP_EN| 0; OUTREG(DISP_PWR_MAN, disp_pwr_man); clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL); pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL) ; clk_pin_cntl = INPLL( pllCLK_PIN_CNTL); disp_pwr_man = INREG(DISP_PWR_MAN); /* D2 */ clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL__DISP_PM; pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__MOBILE_SU | PLL_PWRMGT_CNTL__SU_SCLK_USE_BCLK; clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb; disp_pwr_man &= ~(DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN_MASK | DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN_MASK); OUTPLL( pllCLK_PWRMGT_CNTL, clk_pwrmgt_cntl); OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl); OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl); OUTREG(DISP_PWR_MAN, disp_pwr_man); /* disable display request & disable display */ OUTREG( CRTC_GEN_CNTL, (INREG( CRTC_GEN_CNTL) & ~CRTC_GEN_CNTL__CRTC_EN) | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B); OUTREG( CRTC2_GEN_CNTL, (INREG( CRTC2_GEN_CNTL) & ~CRTC2_GEN_CNTL__CRTC2_EN) | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B); mdelay(17); } static void radeon_pm_yclk_mclk_sync(struct radeonfb_info *rinfo) { u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1; mc_chp_io_cntl_a1 = INMC( rinfo, ixMC_CHP_IO_CNTL_A1) & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK; mc_chp_io_cntl_b1 = INMC( rinfo, ixMC_CHP_IO_CNTL_B1) & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK; OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1 | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT)); OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1 | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT)); OUTMC( rinfo, ixMC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1); OUTMC( rinfo, ixMC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1); mdelay( 1); } static void radeon_pm_yclk_mclk_sync_m10(struct radeonfb_info *rinfo) { u32 mc_chp_io_cntl_a1, mc_chp_io_cntl_b1; mc_chp_io_cntl_a1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1) & ~MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA_MASK; mc_chp_io_cntl_b1 = INMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1) & ~MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB_MASK; OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1 | (1<<MC_CHP_IO_CNTL_A1__MEM_SYNC_ENA__SHIFT)); OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1 | (1<<MC_CHP_IO_CNTL_B1__MEM_SYNC_ENB__SHIFT)); OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_A1, mc_chp_io_cntl_a1); OUTMC( rinfo, ixR300_MC_CHP_IO_CNTL_B1, mc_chp_io_cntl_b1); mdelay( 1); } static void radeon_pm_program_mode_reg(struct radeonfb_info *rinfo, u16 value, u8 delay_required) { u32 mem_sdram_mode; mem_sdram_mode = INREG( MEM_SDRAM_MODE_REG); mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK; mem_sdram_mode |= (value<<MEM_SDRAM_MODE_REG__MEM_MODE_REG__SHIFT) | MEM_SDRAM_MODE_REG__MEM_CFG_TYPE; OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); if (delay_required >= 2) mdelay(1); mem_sdram_mode |= MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET; OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); if (delay_required >= 2) mdelay(1); mem_sdram_mode &= ~MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET; OUTREG( MEM_SDRAM_MODE_REG, mem_sdram_mode); if (delay_required >= 2) mdelay(1); if (delay_required) { do { if (delay_required >= 2) mdelay(1); } while ((INREG(MC_STATUS) & (MC_STATUS__MEM_PWRUP_COMPL_A | MC_STATUS__MEM_PWRUP_COMPL_B)) == 0); } } static void radeon_pm_m10_program_mode_wait(struct radeonfb_info *rinfo) { int cnt; for (cnt = 0; cnt < 100; ++cnt) { mdelay(1); if (INREG(MC_STATUS) & (MC_STATUS__MEM_PWRUP_COMPL_A | MC_STATUS__MEM_PWRUP_COMPL_B)) break; } } static void radeon_pm_enable_dll(struct radeonfb_info *rinfo) { #define DLL_RESET_DELAY 5 #define DLL_SLEEP_DELAY 1 u32 cko = INPLL(pllMDLL_CKO) | MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOA_RESET; u32 cka = INPLL(pllMDLL_RDCKA) | MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP | MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET; u32 ckb = INPLL(pllMDLL_RDCKB) | MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP | MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET; /* Setting up the DLL range for write */ OUTPLL(pllMDLL_CKO, cko); OUTPLL(pllMDLL_RDCKA, cka); OUTPLL(pllMDLL_RDCKB, ckb); mdelay(DLL_RESET_DELAY*2); cko &= ~(MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOB_SLEEP); OUTPLL(pllMDLL_CKO, cko); mdelay(DLL_SLEEP_DELAY); cko &= ~(MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET); OUTPLL(pllMDLL_CKO, cko); mdelay(DLL_RESET_DELAY); cka &= ~(MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP); OUTPLL(pllMDLL_RDCKA, cka); mdelay(DLL_SLEEP_DELAY); cka &= ~(MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET); OUTPLL(pllMDLL_RDCKA, cka); mdelay(DLL_RESET_DELAY); ckb &= ~(MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP); OUTPLL(pllMDLL_RDCKB, ckb); mdelay(DLL_SLEEP_DELAY); ckb &= ~(MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET); OUTPLL(pllMDLL_RDCKB, ckb); mdelay(DLL_RESET_DELAY); #undef DLL_RESET_DELAY #undef DLL_SLEEP_DELAY } static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo) { u32 dll_value; u32 dll_sleep_mask = 0; u32 dll_reset_mask = 0; u32 mc; #define DLL_RESET_DELAY 5 #define DLL_SLEEP_DELAY 1 OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); mc = INREG(MC_CNTL); /* Check which channels are enabled */ switch (mc & 0x3) { case 1: if (mc & 0x4) break; fallthrough; case 2: dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP; dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET; fallthrough; case 0: dll_sleep_mask |= MDLL_R300_RDCK__MRDCKA_SLEEP; dll_reset_mask |= MDLL_R300_RDCK__MRDCKA_RESET; } switch (mc & 0x3) { case 1: if (!(mc & 0x4)) break; fallthrough; case 2: dll_sleep_mask |= MDLL_R300_RDCK__MRDCKD_SLEEP; dll_reset_mask |= MDLL_R300_RDCK__MRDCKD_RESET; dll_sleep_mask |= MDLL_R300_RDCK__MRDCKC_SLEEP; dll_reset_mask |= MDLL_R300_RDCK__MRDCKC_RESET; } dll_value = INPLL(pllMDLL_RDCKA); /* Power Up */ dll_value &= ~(dll_sleep_mask); OUTPLL(pllMDLL_RDCKA, dll_value); mdelay( DLL_SLEEP_DELAY); dll_value &= ~(dll_reset_mask); OUTPLL(pllMDLL_RDCKA, dll_value); mdelay( DLL_RESET_DELAY); #undef DLL_RESET_DELAY #undef DLL_SLEEP_DELAY } static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo) { u32 crtcGenCntl, crtcGenCntl2, memRefreshCntl, crtc_more_cntl, fp_gen_cntl, fp2_gen_cntl; crtcGenCntl = INREG( CRTC_GEN_CNTL); crtcGenCntl2 = INREG( CRTC2_GEN_CNTL); crtc_more_cntl = INREG( CRTC_MORE_CNTL); fp_gen_cntl = INREG( FP_GEN_CNTL); fp2_gen_cntl = INREG( FP2_GEN_CNTL); OUTREG( CRTC_MORE_CNTL, 0); OUTREG( FP_GEN_CNTL, 0); OUTREG( FP2_GEN_CNTL,0); OUTREG( CRTC_GEN_CNTL, (crtcGenCntl | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B) ); OUTREG( CRTC2_GEN_CNTL, (crtcGenCntl2 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B) ); /* This is the code for the Aluminium PowerBooks M10 / iBooks M11 */ if (rinfo->family == CHIP_FAMILY_RV350) { u32 sdram_mode_reg = rinfo->save_regs[35]; static const u32 default_mrtable[] = { 0x21320032, 0x21321000, 0xa1321000, 0x21321000, 0xffffffff, 0x21320032, 0xa1320032, 0x21320032, 0xffffffff, 0x21321002, 0xa1321002, 0x21321002, 0xffffffff, 0x21320132, 0xa1320132, 0x21320132, 0xffffffff, 0x21320032, 0xa1320032, 0x21320032, 0xffffffff, 0x31320032 }; const u32 *mrtable = default_mrtable; int i, mrtable_size = ARRAY_SIZE(default_mrtable); mdelay(30); /* Disable refresh */ memRefreshCntl = INREG( MEM_REFRESH_CNTL) & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; OUTREG( MEM_REFRESH_CNTL, memRefreshCntl | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); /* Configure and enable M & SPLLs */ radeon_pm_enable_dll_m10(rinfo); radeon_pm_yclk_mclk_sync_m10(rinfo); #ifdef CONFIG_PPC if (rinfo->of_node != NULL) { int size; mrtable = of_get_property(rinfo->of_node, "ATY,MRT", &size); if (mrtable) mrtable_size = size >> 2; else mrtable = default_mrtable; } #endif /* CONFIG_PPC */ /* Program the SDRAM */ sdram_mode_reg = mrtable[0]; OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg); for (i = 0; i < mrtable_size; i++) { if (mrtable[i] == 0xffffffffu) radeon_pm_m10_program_mode_wait(rinfo); else { sdram_mode_reg &= ~(MEM_SDRAM_MODE_REG__MEM_MODE_REG_MASK | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE | MEM_SDRAM_MODE_REG__MEM_SDRAM_RESET); sdram_mode_reg |= mrtable[i]; OUTREG(MEM_SDRAM_MODE_REG, sdram_mode_reg); mdelay(1); } } /* Restore memory refresh */ OUTREG(MEM_REFRESH_CNTL, memRefreshCntl); mdelay(30); } /* Here come the desktop RV200 "QW" card */ else if (!rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV200) { /* Disable refresh */ memRefreshCntl = INREG( MEM_REFRESH_CNTL) & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; OUTREG(MEM_REFRESH_CNTL, memRefreshCntl | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); mdelay(30); /* Reset memory */ OUTREG(MEM_SDRAM_MODE_REG, INREG( MEM_SDRAM_MODE_REG) & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); radeon_pm_program_mode_reg(rinfo, 0x2002, 2); radeon_pm_program_mode_reg(rinfo, 0x0132, 2); radeon_pm_program_mode_reg(rinfo, 0x0032, 2); OUTREG(MEM_SDRAM_MODE_REG, INREG(MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); OUTREG( MEM_REFRESH_CNTL, memRefreshCntl); } /* The M6 */ else if (rinfo->is_mobility && rinfo->family == CHIP_FAMILY_RV100) { /* Disable refresh */ memRefreshCntl = INREG(EXT_MEM_CNTL) & ~(1 << 20); OUTREG( EXT_MEM_CNTL, memRefreshCntl | (1 << 20)); /* Reset memory */ OUTREG( MEM_SDRAM_MODE_REG, INREG( MEM_SDRAM_MODE_REG) & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); /* DLL */ radeon_pm_enable_dll(rinfo); /* MLCK / YCLK sync */ radeon_pm_yclk_mclk_sync(rinfo); /* Program Mode Register */ radeon_pm_program_mode_reg(rinfo, 0x2000, 1); radeon_pm_program_mode_reg(rinfo, 0x2001, 1); radeon_pm_program_mode_reg(rinfo, 0x2002, 1); radeon_pm_program_mode_reg(rinfo, 0x0132, 1); radeon_pm_program_mode_reg(rinfo, 0x0032, 1); /* Complete & re-enable refresh */ OUTREG( MEM_SDRAM_MODE_REG, INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); OUTREG(EXT_MEM_CNTL, memRefreshCntl); } /* And finally, the M7..M9 models, including M9+ (RV280) */ else if (rinfo->is_mobility) { /* Disable refresh */ memRefreshCntl = INREG( MEM_REFRESH_CNTL) & ~MEM_REFRESH_CNTL__MEM_REFRESH_DIS; OUTREG( MEM_REFRESH_CNTL, memRefreshCntl | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); /* Reset memory */ OUTREG( MEM_SDRAM_MODE_REG, INREG( MEM_SDRAM_MODE_REG) & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); /* DLL */ radeon_pm_enable_dll(rinfo); /* MLCK / YCLK sync */ radeon_pm_yclk_mclk_sync(rinfo); /* M6, M7 and M9 so far ... */ if (rinfo->family <= CHIP_FAMILY_RV250) { radeon_pm_program_mode_reg(rinfo, 0x2000, 1); radeon_pm_program_mode_reg(rinfo, 0x2001, 1); radeon_pm_program_mode_reg(rinfo, 0x2002, 1); radeon_pm_program_mode_reg(rinfo, 0x0132, 1); radeon_pm_program_mode_reg(rinfo, 0x0032, 1); } /* M9+ (iBook G4) */ else if (rinfo->family == CHIP_FAMILY_RV280) { radeon_pm_program_mode_reg(rinfo, 0x2000, 1); radeon_pm_program_mode_reg(rinfo, 0x0132, 1); radeon_pm_program_mode_reg(rinfo, 0x0032, 1); } /* Complete & re-enable refresh */ OUTREG( MEM_SDRAM_MODE_REG, INREG( MEM_SDRAM_MODE_REG) | MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); OUTREG( MEM_REFRESH_CNTL, memRefreshCntl); } OUTREG( CRTC_GEN_CNTL, crtcGenCntl); OUTREG( CRTC2_GEN_CNTL, crtcGenCntl2); OUTREG( FP_GEN_CNTL, fp_gen_cntl); OUTREG( FP2_GEN_CNTL, fp2_gen_cntl); OUTREG( CRTC_MORE_CNTL, crtc_more_cntl); mdelay( 15); } #if defined(CONFIG_X86) || defined(CONFIG_PPC_PMAC) static void radeon_pm_reset_pad_ctlr_strength(struct radeonfb_info *rinfo) { u32 tmp, tmp2; int i,j; /* Reset the PAD_CTLR_STRENGTH & wait for it to be stable */ INREG(PAD_CTLR_STRENGTH); OUTREG(PAD_CTLR_STRENGTH, INREG(PAD_CTLR_STRENGTH) & ~PAD_MANUAL_OVERRIDE); tmp = INREG(PAD_CTLR_STRENGTH); for (i = j = 0; i < 65; ++i) { mdelay(1); tmp2 = INREG(PAD_CTLR_STRENGTH); if (tmp != tmp2) { tmp = tmp2; i = 0; j++; if (j > 10) { printk(KERN_WARNING "radeon: PAD_CTLR_STRENGTH doesn't " "stabilize !\n"); break; } } } } static void radeon_pm_all_ppls_off(struct radeonfb_info *rinfo) { u32 tmp; tmp = INPLL(pllPPLL_CNTL); OUTPLL(pllPPLL_CNTL, tmp | 0x3); tmp = INPLL(pllP2PLL_CNTL); OUTPLL(pllP2PLL_CNTL, tmp | 0x3); tmp = INPLL(pllSPLL_CNTL); OUTPLL(pllSPLL_CNTL, tmp | 0x3); tmp = INPLL(pllMPLL_CNTL); OUTPLL(pllMPLL_CNTL, tmp | 0x3); } static void radeon_pm_start_mclk_sclk(struct radeonfb_info *rinfo) { u32 tmp; /* Switch SPLL to PCI source */ tmp = INPLL(pllSCLK_CNTL); OUTPLL(pllSCLK_CNTL, tmp & ~SCLK_CNTL__SCLK_SRC_SEL_MASK); /* Reconfigure SPLL charge pump, VCO gain, duty cycle */ tmp = INPLL(pllSPLL_CNTL); OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); radeon_pll_errata_after_data(rinfo); /* Set SPLL feedback divider */ tmp = INPLL(pllM_SPLL_REF_FB_DIV); tmp = (tmp & 0xff00fffful) | (rinfo->save_regs[77] & 0x00ff0000ul); OUTPLL(pllM_SPLL_REF_FB_DIV, tmp); /* Power up SPLL */ tmp = INPLL(pllSPLL_CNTL); OUTPLL(pllSPLL_CNTL, tmp & ~1); (void)INPLL(pllSPLL_CNTL); mdelay(10); /* Release SPLL reset */ tmp = INPLL(pllSPLL_CNTL); OUTPLL(pllSPLL_CNTL, tmp & ~0x2); (void)INPLL(pllSPLL_CNTL); mdelay(10); /* Select SCLK source */ tmp = INPLL(pllSCLK_CNTL); tmp &= ~SCLK_CNTL__SCLK_SRC_SEL_MASK; tmp |= rinfo->save_regs[3] & SCLK_CNTL__SCLK_SRC_SEL_MASK; OUTPLL(pllSCLK_CNTL, tmp); (void)INPLL(pllSCLK_CNTL); mdelay(10); /* Reconfigure MPLL charge pump, VCO gain, duty cycle */ tmp = INPLL(pllMPLL_CNTL); OUTREG8(CLOCK_CNTL_INDEX, pllMPLL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); radeon_pll_errata_after_data(rinfo); /* Set MPLL feedback divider */ tmp = INPLL(pllM_SPLL_REF_FB_DIV); tmp = (tmp & 0xffff00fful) | (rinfo->save_regs[77] & 0x0000ff00ul); OUTPLL(pllM_SPLL_REF_FB_DIV, tmp); /* Power up MPLL */ tmp = INPLL(pllMPLL_CNTL); OUTPLL(pllMPLL_CNTL, tmp & ~0x2); (void)INPLL(pllMPLL_CNTL); mdelay(10); /* Un-reset MPLL */ tmp = INPLL(pllMPLL_CNTL); OUTPLL(pllMPLL_CNTL, tmp & ~0x1); (void)INPLL(pllMPLL_CNTL); mdelay(10); /* Select source for MCLK */ tmp = INPLL(pllMCLK_CNTL); tmp |= rinfo->save_regs[2] & 0xffff; OUTPLL(pllMCLK_CNTL, tmp); (void)INPLL(pllMCLK_CNTL); mdelay(10); } static void radeon_pm_m10_disable_spread_spectrum(struct radeonfb_info *rinfo) { u32 r2ec; /* GACK ! I though we didn't have a DDA on Radeon's anymore * here we rewrite with the same value, ... I suppose we clear * some bits that are already clear ? Or maybe this 0x2ec * register is something new ? */ mdelay(20); r2ec = INREG(VGA_DDA_ON_OFF); OUTREG(VGA_DDA_ON_OFF, r2ec); mdelay(1); /* Spread spectrum PLLL off */ OUTPLL(pllSSPLL_CNTL, 0xbf03); /* Spread spectrum disabled */ OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3); /* The trace shows read & rewrite of LVDS_PLL_CNTL here with same * value, not sure what for... */ r2ec |= 0x3f0; OUTREG(VGA_DDA_ON_OFF, r2ec); mdelay(1); } static void radeon_pm_m10_enable_lvds_spread_spectrum(struct radeonfb_info *rinfo) { u32 r2ec, tmp; /* GACK (bis) ! I though we didn't have a DDA on Radeon's anymore * here we rewrite with the same value, ... I suppose we clear/set * some bits that are already clear/set ? */ r2ec = INREG(VGA_DDA_ON_OFF); OUTREG(VGA_DDA_ON_OFF, r2ec); mdelay(1); /* Enable spread spectrum */ OUTPLL(pllSSPLL_CNTL, rinfo->save_regs[43] | 3); mdelay(3); OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44]); OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45]); tmp = INPLL(pllSSPLL_CNTL); OUTPLL(pllSSPLL_CNTL, tmp & ~0x2); mdelay(6); tmp = INPLL(pllSSPLL_CNTL); OUTPLL(pllSSPLL_CNTL, tmp & ~0x1); mdelay(5); OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90]); r2ec |= 8; OUTREG(VGA_DDA_ON_OFF, r2ec); mdelay(20); /* Enable LVDS interface */ tmp = INREG(LVDS_GEN_CNTL); OUTREG(LVDS_GEN_CNTL, tmp | LVDS_EN); /* Enable LVDS_PLL */ tmp = INREG(LVDS_PLL_CNTL); tmp &= ~0x30000; tmp |= 0x10000; OUTREG(LVDS_PLL_CNTL, tmp); OUTPLL(pllSCLK_MORE_CNTL, rinfo->save_regs[34]); OUTPLL(pllSS_TST_CNTL, rinfo->save_regs[91]); /* The trace reads that one here, waiting for something to settle down ? */ INREG(RBBM_STATUS); /* Ugh ? SS_TST_DEC is supposed to be a read register in the * R300 register spec at least... */ tmp = INPLL(pllSS_TST_CNTL); tmp |= 0x00400000; OUTPLL(pllSS_TST_CNTL, tmp); } static void radeon_pm_restore_pixel_pll(struct radeonfb_info *rinfo) { u32 tmp; OUTREG8(CLOCK_CNTL_INDEX, pllHTOTAL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA, 0); radeon_pll_errata_after_data(rinfo); tmp = INPLL(pllVCLK_ECP_CNTL); OUTPLL(pllVCLK_ECP_CNTL, tmp | 0x80); mdelay(5); tmp = INPLL(pllPPLL_REF_DIV); tmp = (tmp & ~PPLL_REF_DIV_MASK) | rinfo->pll.ref_div; OUTPLL(pllPPLL_REF_DIV, tmp); INPLL(pllPPLL_REF_DIV); /* Reconfigure SPLL charge pump, VCO gain, duty cycle, * probably useless since we already did it ... */ tmp = INPLL(pllPPLL_CNTL); OUTREG8(CLOCK_CNTL_INDEX, pllSPLL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); radeon_pll_errata_after_data(rinfo); /* Restore our "reference" PPLL divider set by firmware * according to proper spread spectrum calculations */ OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]); tmp = INPLL(pllPPLL_CNTL); OUTPLL(pllPPLL_CNTL, tmp & ~0x2); mdelay(5); tmp = INPLL(pllPPLL_CNTL); OUTPLL(pllPPLL_CNTL, tmp & ~0x1); mdelay(5); tmp = INPLL(pllVCLK_ECP_CNTL); OUTPLL(pllVCLK_ECP_CNTL, tmp | 3); mdelay(5); tmp = INPLL(pllVCLK_ECP_CNTL); OUTPLL(pllVCLK_ECP_CNTL, tmp | 3); mdelay(5); /* Switch pixel clock to firmware default div 0 */ OUTREG8(CLOCK_CNTL_INDEX+1, 0); radeon_pll_errata_after_index(rinfo); radeon_pll_errata_after_data(rinfo); } static void radeon_pm_m10_reconfigure_mc(struct radeonfb_info *rinfo) { OUTREG(MC_CNTL, rinfo->save_regs[46]); OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]); OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]); OUTREG(MEM_SDRAM_MODE_REG, rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]); OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]); OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]); OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]); OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]); OUTREG(MC_DEBUG, rinfo->save_regs[53]); OUTMC(rinfo, ixR300_MC_MC_INIT_WR_LAT_TIMER, rinfo->save_regs[58]); OUTMC(rinfo, ixR300_MC_IMP_CNTL, rinfo->save_regs[59]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C0, rinfo->save_regs[60]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_C1, rinfo->save_regs[61]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D0, rinfo->save_regs[62]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_D1, rinfo->save_regs[63]); OUTMC(rinfo, ixR300_MC_BIST_CNTL_3, rinfo->save_regs[64]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A0, rinfo->save_regs[65]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_A1, rinfo->save_regs[66]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B0, rinfo->save_regs[67]); OUTMC(rinfo, ixR300_MC_CHP_IO_CNTL_B1, rinfo->save_regs[68]); OUTMC(rinfo, ixR300_MC_DEBUG_CNTL, rinfo->save_regs[69]); OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); OUTMC(rinfo, ixR300_MC_IMP_CNTL_0, rinfo->save_regs[71]); OUTMC(rinfo, ixR300_MC_ELPIDA_CNTL, rinfo->save_regs[72]); OUTMC(rinfo, ixR300_MC_READ_CNTL_CD, rinfo->save_regs[96]); OUTREG(MC_IND_INDEX, 0); } static void radeon_reinitialize_M10(struct radeonfb_info *rinfo) { u32 tmp, i; /* Restore a bunch of registers first */ OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); OUTREG(CNFG_MEMSIZE, rinfo->video_ram); OUTREG(BUS_CNTL, rinfo->save_regs[36]); OUTREG(BUS_CNTL1, rinfo->save_regs[14]); OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); OUTREG(FCP_CNTL, rinfo->save_regs[38]); OUTREG(RBBM_CNTL, rinfo->save_regs[39]); OUTREG(DAC_CNTL, rinfo->save_regs[40]); OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8); OUTREG(DAC_MACRO_CNTL, (INREG(DAC_MACRO_CNTL) & ~0x6) | 8); /* Hrm... */ OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE); /* Reset the PAD CTLR */ radeon_pm_reset_pad_ctlr_strength(rinfo); /* Some PLLs are Read & written identically in the trace here... * I suppose it's actually to switch them all off & reset, * let's assume off is what we want. I'm just doing that for all major PLLs now. */ radeon_pm_all_ppls_off(rinfo); /* Clear tiling, reset swappers */ INREG(SURFACE_CNTL); OUTREG(SURFACE_CNTL, 0); /* Some black magic with TV_DAC_CNTL, we should restore those from backups * rather than hard coding... */ tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK; tmp |= 8 << TV_DAC_CNTL_BGADJ__SHIFT; OUTREG(TV_DAC_CNTL, tmp); tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK; tmp |= 7 << TV_DAC_CNTL_DACADJ__SHIFT; OUTREG(TV_DAC_CNTL, tmp); /* More registers restored */ OUTREG(AGP_CNTL, rinfo->save_regs[16]); OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); /* Hrmmm ... What is that ? */ tmp = rinfo->save_regs[1] & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK | CLK_PWRMGT_CNTL__MC_BUSY); OUTPLL(pllCLK_PWRMGT_CNTL, tmp); OUTREG(PAD_CTLR_MISC, rinfo->save_regs[56]); OUTREG(FW_CNTL, rinfo->save_regs[57]); OUTREG(HDP_DEBUG, rinfo->save_regs[96]); OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]); OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]); OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]); /* Restore Memory Controller configuration */ radeon_pm_m10_reconfigure_mc(rinfo); /* Make sure CRTC's dont touch memory */ OUTREG(CRTC_GEN_CNTL, INREG(CRTC_GEN_CNTL) | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B); OUTREG(CRTC2_GEN_CNTL, INREG(CRTC2_GEN_CNTL) | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B); mdelay(30); /* Disable SDRAM refresh */ OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL) | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); /* Restore XTALIN routing (CLK_PIN_CNTL) */ OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]); /* Switch MCLK, YCLK and SCLK PLLs to PCI source & force them ON */ tmp = rinfo->save_regs[2] & 0xff000000; tmp |= MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB | MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB | MCLK_CNTL__FORCE_MC; OUTPLL(pllMCLK_CNTL, tmp); /* Force all clocks on in SCLK */ tmp = INPLL(pllSCLK_CNTL); tmp |= SCLK_CNTL__FORCE_DISP2| SCLK_CNTL__FORCE_CP| SCLK_CNTL__FORCE_HDP| SCLK_CNTL__FORCE_DISP1| SCLK_CNTL__FORCE_TOP| SCLK_CNTL__FORCE_E2| SCLK_CNTL__FORCE_SE| SCLK_CNTL__FORCE_IDCT| SCLK_CNTL__FORCE_VIP| SCLK_CNTL__FORCE_PB| SCLK_CNTL__FORCE_TAM| SCLK_CNTL__FORCE_TDM| SCLK_CNTL__FORCE_RB| SCLK_CNTL__FORCE_TV_SCLK| SCLK_CNTL__FORCE_SUBPIC| SCLK_CNTL__FORCE_OV0; tmp |= SCLK_CNTL__CP_MAX_DYN_STOP_LAT | SCLK_CNTL__HDP_MAX_DYN_STOP_LAT | SCLK_CNTL__TV_MAX_DYN_STOP_LAT | SCLK_CNTL__E2_MAX_DYN_STOP_LAT | SCLK_CNTL__SE_MAX_DYN_STOP_LAT | SCLK_CNTL__IDCT_MAX_DYN_STOP_LAT| SCLK_CNTL__VIP_MAX_DYN_STOP_LAT | SCLK_CNTL__RE_MAX_DYN_STOP_LAT | SCLK_CNTL__PB_MAX_DYN_STOP_LAT | SCLK_CNTL__TAM_MAX_DYN_STOP_LAT | SCLK_CNTL__TDM_MAX_DYN_STOP_LAT | SCLK_CNTL__RB_MAX_DYN_STOP_LAT; OUTPLL(pllSCLK_CNTL, tmp); OUTPLL(pllVCLK_ECP_CNTL, 0); OUTPLL(pllPIXCLKS_CNTL, 0); OUTPLL(pllMCLK_MISC, MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT | MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT); mdelay(5); /* Restore the M_SPLL_REF_FB_DIV, MPLL_AUX_CNTL and SPLL_AUX_CNTL values */ OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]); OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]); OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]); /* Now restore the major PLLs settings, keeping them off & reset though */ OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3); OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3); OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03); OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03); /* Restore MC DLL state and switch it off/reset too */ OUTMC(rinfo, ixR300_MC_DLL_CNTL, rinfo->save_regs[70]); /* Switch MDLL off & reset */ OUTPLL(pllMDLL_RDCKA, rinfo->save_regs[98] | 0xff); mdelay(5); /* Setup some black magic bits in PLL_PWRMGT_CNTL. Hrm... we saved * 0xa1100007... and MacOS writes 0xa1000007 .. */ OUTPLL(pllPLL_PWRMGT_CNTL, rinfo->save_regs[0]); /* Restore more stuffs */ OUTPLL(pllHTOTAL_CNTL, 0); OUTPLL(pllHTOTAL2_CNTL, 0); /* More PLL initial configuration */ tmp = INPLL(pllSCLK_CNTL2); /* What for ? */ OUTPLL(pllSCLK_CNTL2, tmp); tmp = INPLL(pllSCLK_MORE_CNTL); tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS | /* a guess */ SCLK_MORE_CNTL__FORCE_MC_GUI | SCLK_MORE_CNTL__FORCE_MC_HOST; OUTPLL(pllSCLK_MORE_CNTL, tmp); /* Now we actually start MCLK and SCLK */ radeon_pm_start_mclk_sclk(rinfo); /* Full reset sdrams, this also re-inits the MDLL */ radeon_pm_full_reset_sdram(rinfo); /* Fill palettes */ OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20); for (i=0; i<256; i++) OUTREG(PALETTE_30_DATA, 0x15555555); OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20); udelay(20); for (i=0; i<256; i++) OUTREG(PALETTE_30_DATA, 0x15555555); OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20); mdelay(3); /* Restore TMDS */ OUTREG(FP_GEN_CNTL, rinfo->save_regs[82]); OUTREG(FP2_GEN_CNTL, rinfo->save_regs[83]); /* Set LVDS registers but keep interface & pll down */ OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] & ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN)); OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000); OUTREG(DISP_OUTPUT_CNTL, rinfo->save_regs[86]); /* Restore GPIOPAD state */ OUTREG(GPIOPAD_A, rinfo->save_regs[19]); OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); /* write some stuff to the framebuffer... */ for (i = 0; i < 0x8000; ++i) writeb(0, rinfo->fb_base + i); mdelay(40); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON); mdelay(40); /* Restore a few more things */ OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]); OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]); /* Take care of spread spectrum & PPLLs now */ radeon_pm_m10_disable_spread_spectrum(rinfo); radeon_pm_restore_pixel_pll(rinfo); /* GRRRR... I can't figure out the proper LVDS power sequence, and the * code I have for blank/unblank doesn't quite work on some laptop models * it seems ... Hrm. What I have here works most of the time ... */ radeon_pm_m10_enable_lvds_spread_spectrum(rinfo); } #endif #ifdef CONFIG_PPC #ifdef CONFIG_PPC_PMAC static void radeon_pm_m9p_reconfigure_mc(struct radeonfb_info *rinfo) { OUTREG(MC_CNTL, rinfo->save_regs[46]); OUTREG(MC_INIT_GFX_LAT_TIMER, rinfo->save_regs[47]); OUTREG(MC_INIT_MISC_LAT_TIMER, rinfo->save_regs[48]); OUTREG(MEM_SDRAM_MODE_REG, rinfo->save_regs[35] & ~MEM_SDRAM_MODE_REG__MC_INIT_COMPLETE); OUTREG(MC_TIMING_CNTL, rinfo->save_regs[49]); OUTREG(MC_READ_CNTL_AB, rinfo->save_regs[50]); OUTREG(MEM_REFRESH_CNTL, rinfo->save_regs[42]); OUTREG(MC_IOPAD_CNTL, rinfo->save_regs[51]); OUTREG(MC_DEBUG, rinfo->save_regs[53]); OUTREG(MC_CHIP_IO_OE_CNTL_AB, rinfo->save_regs[52]); OUTMC(rinfo, ixMC_IMP_CNTL, rinfo->save_regs[59] /*0x00f460d6*/); OUTMC(rinfo, ixMC_CHP_IO_CNTL_A0, rinfo->save_regs[65] /*0xfecfa666*/); OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, rinfo->save_regs[66] /*0x141555ff*/); OUTMC(rinfo, ixMC_CHP_IO_CNTL_B0, rinfo->save_regs[67] /*0xfecfa666*/); OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, rinfo->save_regs[68] /*0x141555ff*/); OUTMC(rinfo, ixMC_IMP_CNTL_0, rinfo->save_regs[71] /*0x00009249*/); OUTREG(MC_IND_INDEX, 0); OUTREG(CNFG_MEMSIZE, rinfo->video_ram); mdelay(20); } static void radeon_reinitialize_M9P(struct radeonfb_info *rinfo) { u32 tmp, i; /* Restore a bunch of registers first */ OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); OUTREG(BUS_CNTL, rinfo->save_regs[36]); OUTREG(BUS_CNTL1, rinfo->save_regs[14]); OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); OUTREG(FCP_CNTL, rinfo->save_regs[38]); OUTREG(RBBM_CNTL, rinfo->save_regs[39]); OUTREG(DAC_CNTL, rinfo->save_regs[40]); OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | DAC2_EXPAND_MODE); /* Reset the PAD CTLR */ radeon_pm_reset_pad_ctlr_strength(rinfo); /* Some PLLs are Read & written identically in the trace here... * I suppose it's actually to switch them all off & reset, * let's assume off is what we want. I'm just doing that for all major PLLs now. */ radeon_pm_all_ppls_off(rinfo); /* Clear tiling, reset swappers */ INREG(SURFACE_CNTL); OUTREG(SURFACE_CNTL, 0); /* Some black magic with TV_DAC_CNTL, we should restore those from backups * rather than hard coding... */ tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_BGADJ_MASK; tmp |= 6 << TV_DAC_CNTL_BGADJ__SHIFT; OUTREG(TV_DAC_CNTL, tmp); tmp = INREG(TV_DAC_CNTL) & ~TV_DAC_CNTL_DACADJ_MASK; tmp |= 6 << TV_DAC_CNTL_DACADJ__SHIFT; OUTREG(TV_DAC_CNTL, tmp); OUTPLL(pllAGP_PLL_CNTL, rinfo->save_regs[78]); OUTREG(PAMAC0_DLY_CNTL, rinfo->save_regs[54]); OUTREG(PAMAC1_DLY_CNTL, rinfo->save_regs[55]); OUTREG(PAMAC2_DLY_CNTL, rinfo->save_regs[79]); OUTREG(AGP_CNTL, rinfo->save_regs[16]); OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); /* MacOS sets that to 0 !!! */ OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); tmp = rinfo->save_regs[1] & ~(CLK_PWRMGT_CNTL__ACTIVE_HILO_LAT_MASK | CLK_PWRMGT_CNTL__MC_BUSY); OUTPLL(pllCLK_PWRMGT_CNTL, tmp); OUTREG(FW_CNTL, rinfo->save_regs[57]); /* Disable SDRAM refresh */ OUTREG(MEM_REFRESH_CNTL, INREG(MEM_REFRESH_CNTL) | MEM_REFRESH_CNTL__MEM_REFRESH_DIS); /* Restore XTALIN routing (CLK_PIN_CNTL) */ OUTPLL(pllCLK_PIN_CNTL, rinfo->save_regs[4]); /* Force MCLK to be PCI sourced and forced ON */ tmp = rinfo->save_regs[2] & 0xff000000; tmp |= MCLK_CNTL__FORCE_MCLKA | MCLK_CNTL__FORCE_MCLKB | MCLK_CNTL__FORCE_YCLKA | MCLK_CNTL__FORCE_YCLKB | MCLK_CNTL__FORCE_MC | MCLK_CNTL__FORCE_AIC; OUTPLL(pllMCLK_CNTL, tmp); /* Force SCLK to be PCI sourced with a bunch forced */ tmp = 0 | SCLK_CNTL__FORCE_DISP2| SCLK_CNTL__FORCE_CP| SCLK_CNTL__FORCE_HDP| SCLK_CNTL__FORCE_DISP1| SCLK_CNTL__FORCE_TOP| SCLK_CNTL__FORCE_E2| SCLK_CNTL__FORCE_SE| SCLK_CNTL__FORCE_IDCT| SCLK_CNTL__FORCE_VIP| SCLK_CNTL__FORCE_RE| SCLK_CNTL__FORCE_PB| SCLK_CNTL__FORCE_TAM| SCLK_CNTL__FORCE_TDM| SCLK_CNTL__FORCE_RB; OUTPLL(pllSCLK_CNTL, tmp); /* Clear VCLK_ECP_CNTL & PIXCLKS_CNTL */ OUTPLL(pllVCLK_ECP_CNTL, 0); OUTPLL(pllPIXCLKS_CNTL, 0); /* Setup MCLK_MISC, non dynamic mode */ OUTPLL(pllMCLK_MISC, MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT | MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT); mdelay(5); /* Set back the default clock dividers */ OUTPLL(pllM_SPLL_REF_FB_DIV, rinfo->save_regs[77]); OUTPLL(pllMPLL_AUX_CNTL, rinfo->save_regs[75]); OUTPLL(pllSPLL_AUX_CNTL, rinfo->save_regs[76]); /* PPLL and P2PLL default values & off */ OUTPLL(pllPPLL_CNTL, rinfo->save_regs[93] | 0x3); OUTPLL(pllP2PLL_CNTL, rinfo->save_regs[8] | 0x3); /* S and M PLLs are reset & off, configure them */ OUTPLL(pllMPLL_CNTL, rinfo->save_regs[73] | 0x03); OUTPLL(pllSPLL_CNTL, rinfo->save_regs[74] | 0x03); /* Default values for MDLL ... fixme */ OUTPLL(pllMDLL_CKO, 0x9c009c); OUTPLL(pllMDLL_RDCKA, 0x08830883); OUTPLL(pllMDLL_RDCKB, 0x08830883); mdelay(5); /* Restore PLL_PWRMGT_CNTL */ // XXXX tmp = rinfo->save_regs[0]; tmp &= ~PLL_PWRMGT_CNTL_SU_SCLK_USE_BCLK; tmp |= PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK; OUTPLL(PLL_PWRMGT_CNTL, tmp); /* Clear HTOTAL_CNTL & HTOTAL2_CNTL */ OUTPLL(pllHTOTAL_CNTL, 0); OUTPLL(pllHTOTAL2_CNTL, 0); /* All outputs off */ OUTREG(CRTC_GEN_CNTL, 0x04000000); OUTREG(CRTC2_GEN_CNTL, 0x04000000); OUTREG(FP_GEN_CNTL, 0x00004008); OUTREG(FP2_GEN_CNTL, 0x00000008); OUTREG(LVDS_GEN_CNTL, 0x08000008); /* Restore Memory Controller configuration */ radeon_pm_m9p_reconfigure_mc(rinfo); /* Now we actually start MCLK and SCLK */ radeon_pm_start_mclk_sclk(rinfo); /* Full reset sdrams, this also re-inits the MDLL */ radeon_pm_full_reset_sdram(rinfo); /* Fill palettes */ OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x20); for (i=0; i<256; i++) OUTREG(PALETTE_30_DATA, 0x15555555); OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~20); udelay(20); for (i=0; i<256; i++) OUTREG(PALETTE_30_DATA, 0x15555555); OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) & ~0x20); mdelay(3); /* Restore TV stuff, make sure TV DAC is down */ OUTREG(TV_MASTER_CNTL, rinfo->save_regs[88]); OUTREG(TV_DAC_CNTL, rinfo->save_regs[13] | 0x07000000); /* Restore GPIOS. MacOS does some magic here with one of the GPIO bits, * possibly related to the weird PLL related workarounds and to the * fact that CLK_PIN_CNTL is tweaked in ways I don't fully understand, * but we keep things the simple way here */ OUTREG(GPIOPAD_A, rinfo->save_regs[19]); OUTREG(GPIOPAD_EN, rinfo->save_regs[20]); OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]); /* Now do things with SCLK_MORE_CNTL. Force bits are already set, copy * high bits from backup */ tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff; tmp |= rinfo->save_regs[34] & 0xffff0000; tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS; OUTPLL(pllSCLK_MORE_CNTL, tmp); tmp = INPLL(pllSCLK_MORE_CNTL) & 0x0000ffff; tmp |= rinfo->save_regs[34] & 0xffff0000; tmp |= SCLK_MORE_CNTL__FORCE_DISPREGS; OUTPLL(pllSCLK_MORE_CNTL, tmp); OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11] & ~(LVDS_EN | LVDS_ON | LVDS_DIGON | LVDS_BLON | LVDS_BL_MOD_EN)); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_BLON); OUTREG(LVDS_PLL_CNTL, (rinfo->save_regs[12] & ~0xf0000) | 0x20000); mdelay(20); /* write some stuff to the framebuffer... */ for (i = 0; i < 0x8000; ++i) writeb(0, rinfo->fb_base + i); OUTREG(0x2ec, 0x6332a020); OUTPLL(pllSSPLL_REF_DIV, rinfo->save_regs[44] /*0x3f */); OUTPLL(pllSSPLL_DIV_0, rinfo->save_regs[45] /*0x000081bb */); tmp = INPLL(pllSSPLL_CNTL); tmp &= ~2; OUTPLL(pllSSPLL_CNTL, tmp); mdelay(6); tmp &= ~1; OUTPLL(pllSSPLL_CNTL, tmp); mdelay(5); tmp |= 3; OUTPLL(pllSSPLL_CNTL, tmp); mdelay(5); OUTPLL(pllSS_INT_CNTL, rinfo->save_regs[90] & ~3);/*0x0020300c*/ OUTREG(0x2ec, 0x6332a3f0); mdelay(17); OUTPLL(pllPPLL_REF_DIV, rinfo->pll.ref_div); OUTPLL(pllPPLL_DIV_0, rinfo->save_regs[92]); mdelay(40); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) | LVDS_DIGON | LVDS_ON); mdelay(40); /* Restore a few more things */ OUTREG(GRPH_BUFFER_CNTL, rinfo->save_regs[94]); OUTREG(GRPH2_BUFFER_CNTL, rinfo->save_regs[95]); /* Restore PPLL, spread spectrum & LVDS */ radeon_pm_m10_disable_spread_spectrum(rinfo); radeon_pm_restore_pixel_pll(rinfo); radeon_pm_m10_enable_lvds_spread_spectrum(rinfo); } #endif #if 0 /* Not ready yet */ static void radeon_reinitialize_QW(struct radeonfb_info *rinfo) { int i; u32 tmp, tmp2; u32 cko, cka, ckb; u32 cgc, cec, c2gc; OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); OUTREG(BUS_CNTL, rinfo->save_regs[36]); OUTREG(RBBM_CNTL, rinfo->save_regs[39]); INREG(PAD_CTLR_STRENGTH); OUTREG(PAD_CTLR_STRENGTH, INREG(PAD_CTLR_STRENGTH) & ~0x10000); for (i = 0; i < 65; ++i) { mdelay(1); INREG(PAD_CTLR_STRENGTH); } OUTREG(DISP_TEST_DEBUG_CNTL, INREG(DISP_TEST_DEBUG_CNTL) | 0x10000000); OUTREG(OV0_FLAG_CNTRL, INREG(OV0_FLAG_CNTRL) | 0x100); OUTREG(CRTC_GEN_CNTL, INREG(CRTC_GEN_CNTL)); OUTREG(DAC_CNTL, 0xff00410a); OUTREG(CRTC2_GEN_CNTL, INREG(CRTC2_GEN_CNTL)); OUTREG(DAC_CNTL2, INREG(DAC_CNTL2) | 0x4000); OUTREG(SURFACE_CNTL, rinfo->save_regs[29]); OUTREG(AGP_CNTL, rinfo->save_regs[16]); OUTREG(HOST_PATH_CNTL, rinfo->save_regs[41]); OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); OUTMC(rinfo, ixMC_CHP_IO_CNTL_A0, 0xf7bb4433); OUTREG(MC_IND_INDEX, 0); OUTMC(rinfo, ixMC_CHP_IO_CNTL_B0, 0xf7bb4433); OUTREG(MC_IND_INDEX, 0); OUTREG(CRTC_MORE_CNTL, INREG(CRTC_MORE_CNTL)); tmp = INPLL(pllVCLK_ECP_CNTL); OUTPLL(pllVCLK_ECP_CNTL, tmp); tmp = INPLL(pllPIXCLKS_CNTL); OUTPLL(pllPIXCLKS_CNTL, tmp); OUTPLL(MCLK_CNTL, 0xaa3f0000); OUTPLL(SCLK_CNTL, 0xffff0000); OUTPLL(pllMPLL_AUX_CNTL, 6); OUTPLL(pllSPLL_AUX_CNTL, 1); OUTPLL(MDLL_CKO, 0x9f009f); OUTPLL(MDLL_RDCKA, 0x830083); OUTPLL(pllMDLL_RDCKB, 0x830083); OUTPLL(PPLL_CNTL, 0xa433); OUTPLL(P2PLL_CNTL, 0xa433); OUTPLL(MPLL_CNTL, 0x0400a403); OUTPLL(SPLL_CNTL, 0x0400a433); tmp = INPLL(M_SPLL_REF_FB_DIV); OUTPLL(M_SPLL_REF_FB_DIV, tmp); tmp = INPLL(M_SPLL_REF_FB_DIV); OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0xc); INPLL(M_SPLL_REF_FB_DIV); tmp = INPLL(MPLL_CNTL); OUTREG8(CLOCK_CNTL_INDEX, MPLL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); radeon_pll_errata_after_data(rinfo); tmp = INPLL(M_SPLL_REF_FB_DIV); OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0x5900); tmp = INPLL(MPLL_CNTL); OUTPLL(MPLL_CNTL, tmp & ~0x2); mdelay(1); tmp = INPLL(MPLL_CNTL); OUTPLL(MPLL_CNTL, tmp & ~0x1); mdelay(10); OUTPLL(MCLK_CNTL, 0xaa3f1212); mdelay(1); INPLL(M_SPLL_REF_FB_DIV); INPLL(MCLK_CNTL); INPLL(M_SPLL_REF_FB_DIV); tmp = INPLL(SPLL_CNTL); OUTREG8(CLOCK_CNTL_INDEX, SPLL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA + 1, (tmp >> 8) & 0xff); radeon_pll_errata_after_data(rinfo); tmp = INPLL(M_SPLL_REF_FB_DIV); OUTPLL(M_SPLL_REF_FB_DIV, tmp | 0x780000); tmp = INPLL(SPLL_CNTL); OUTPLL(SPLL_CNTL, tmp & ~0x1); mdelay(1); tmp = INPLL(SPLL_CNTL); OUTPLL(SPLL_CNTL, tmp & ~0x2); mdelay(10); tmp = INPLL(SCLK_CNTL); OUTPLL(SCLK_CNTL, tmp | 2); mdelay(1); cko = INPLL(pllMDLL_CKO); cka = INPLL(pllMDLL_RDCKA); ckb = INPLL(pllMDLL_RDCKB); cko &= ~(MDLL_CKO__MCKOA_SLEEP | MDLL_CKO__MCKOB_SLEEP); OUTPLL(pllMDLL_CKO, cko); mdelay(1); cko &= ~(MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET); OUTPLL(pllMDLL_CKO, cko); mdelay(5); cka &= ~(MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP); OUTPLL(pllMDLL_RDCKA, cka); mdelay(1); cka &= ~(MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET); OUTPLL(pllMDLL_RDCKA, cka); mdelay(5); ckb &= ~(MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP); OUTPLL(pllMDLL_RDCKB, ckb); mdelay(1); ckb &= ~(MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET); OUTPLL(pllMDLL_RDCKB, ckb); mdelay(5); OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, 0x151550ff); OUTREG(MC_IND_INDEX, 0); OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, 0x151550ff); OUTREG(MC_IND_INDEX, 0); mdelay(1); OUTMC(rinfo, ixMC_CHP_IO_CNTL_A1, 0x141550ff); OUTREG(MC_IND_INDEX, 0); OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, 0x141550ff); OUTREG(MC_IND_INDEX, 0); mdelay(1); OUTPLL(pllHTOTAL_CNTL, 0); OUTPLL(pllHTOTAL2_CNTL, 0); OUTREG(MEM_CNTL, 0x29002901); OUTREG(MEM_SDRAM_MODE_REG, 0x45320032); /* XXX use save_regs[35]? */ OUTREG(EXT_MEM_CNTL, 0x1a394333); OUTREG(MEM_IO_CNTL_A1, 0x0aac0aac); OUTREG(MEM_INIT_LATENCY_TIMER, 0x34444444); OUTREG(MEM_REFRESH_CNTL, 0x1f1f7218); /* XXX or save_regs[42]? */ OUTREG(MC_DEBUG, 0); OUTREG(MEM_IO_OE_CNTL, 0x04300430); OUTMC(rinfo, ixMC_IMP_CNTL, 0x00f460d6); OUTREG(MC_IND_INDEX, 0); OUTMC(rinfo, ixMC_IMP_CNTL_0, 0x00009249); OUTREG(MC_IND_INDEX, 0); OUTREG(CNFG_MEMSIZE, rinfo->video_ram); radeon_pm_full_reset_sdram(rinfo); INREG(FP_GEN_CNTL); OUTREG(TMDS_CNTL, 0x01000000); /* XXX ? */ tmp = INREG(FP_GEN_CNTL); tmp |= FP_CRTC_DONT_SHADOW_HEND | FP_CRTC_DONT_SHADOW_VPAR | 0x200; OUTREG(FP_GEN_CNTL, tmp); tmp = INREG(DISP_OUTPUT_CNTL); tmp &= ~0x400; OUTREG(DISP_OUTPUT_CNTL, tmp); OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]); OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]); OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]); tmp = INPLL(MCLK_MISC); tmp |= MCLK_MISC__MC_MCLK_DYN_ENABLE | MCLK_MISC__IO_MCLK_DYN_ENABLE; OUTPLL(MCLK_MISC, tmp); tmp = INPLL(SCLK_CNTL); OUTPLL(SCLK_CNTL, tmp); OUTREG(CRTC_MORE_CNTL, 0); OUTREG8(CRTC_GEN_CNTL+1, 6); OUTREG8(CRTC_GEN_CNTL+3, 1); OUTREG(CRTC_PITCH, 32); tmp = INPLL(VCLK_ECP_CNTL); OUTPLL(VCLK_ECP_CNTL, tmp); tmp = INPLL(PPLL_CNTL); OUTPLL(PPLL_CNTL, tmp); /* palette stuff and BIOS_1_SCRATCH... */ tmp = INREG(FP_GEN_CNTL); tmp2 = INREG(TMDS_TRANSMITTER_CNTL); tmp |= 2; OUTREG(FP_GEN_CNTL, tmp); mdelay(5); OUTREG(FP_GEN_CNTL, tmp); mdelay(5); OUTREG(TMDS_TRANSMITTER_CNTL, tmp2); OUTREG(CRTC_MORE_CNTL, 0); mdelay(20); tmp = INREG(CRTC_MORE_CNTL); OUTREG(CRTC_MORE_CNTL, tmp); cgc = INREG(CRTC_GEN_CNTL); cec = INREG(CRTC_EXT_CNTL); c2gc = INREG(CRTC2_GEN_CNTL); OUTREG(CRTC_H_SYNC_STRT_WID, 0x008e0580); OUTREG(CRTC_H_TOTAL_DISP, 0x009f00d2); OUTREG8(CLOCK_CNTL_INDEX, HTOTAL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA, 0); radeon_pll_errata_after_data(rinfo); OUTREG(CRTC_V_SYNC_STRT_WID, 0x00830403); OUTREG(CRTC_V_TOTAL_DISP, 0x03ff0429); OUTREG(FP_CRTC_H_TOTAL_DISP, 0x009f0033); OUTREG(FP_H_SYNC_STRT_WID, 0x008e0080); OUTREG(CRT_CRTC_H_SYNC_STRT_WID, 0x008e0080); OUTREG(FP_CRTC_V_TOTAL_DISP, 0x03ff002a); OUTREG(FP_V_SYNC_STRT_WID, 0x00830004); OUTREG(CRT_CRTC_V_SYNC_STRT_WID, 0x00830004); OUTREG(FP_HORZ_VERT_ACTIVE, 0x009f03ff); OUTREG(FP_HORZ_STRETCH, 0); OUTREG(FP_VERT_STRETCH, 0); OUTREG(OVR_CLR, 0); OUTREG(OVR_WID_LEFT_RIGHT, 0); OUTREG(OVR_WID_TOP_BOTTOM, 0); tmp = INPLL(PPLL_REF_DIV); tmp = (tmp & ~PPLL_REF_DIV_MASK) | rinfo->pll.ref_div; OUTPLL(PPLL_REF_DIV, tmp); INPLL(PPLL_REF_DIV); OUTREG8(CLOCK_CNTL_INDEX, PPLL_CNTL + PLL_WR_EN); radeon_pll_errata_after_index(rinfo); OUTREG8(CLOCK_CNTL_DATA + 1, 0xbc); radeon_pll_errata_after_data(rinfo); tmp = INREG(CLOCK_CNTL_INDEX); radeon_pll_errata_after_index(rinfo); OUTREG(CLOCK_CNTL_INDEX, tmp & 0xff); radeon_pll_errata_after_index(rinfo); radeon_pll_errata_after_data(rinfo); OUTPLL(PPLL_DIV_0, 0x48090); tmp = INPLL(PPLL_CNTL); OUTPLL(PPLL_CNTL, tmp & ~0x2); mdelay(1); tmp = INPLL(PPLL_CNTL); OUTPLL(PPLL_CNTL, tmp & ~0x1); mdelay(10); tmp = INPLL(VCLK_ECP_CNTL); OUTPLL(VCLK_ECP_CNTL, tmp | 3); mdelay(1); tmp = INPLL(VCLK_ECP_CNTL); OUTPLL(VCLK_ECP_CNTL, tmp); c2gc |= CRTC2_DISP_REQ_EN_B; OUTREG(CRTC2_GEN_CNTL, c2gc); cgc |= CRTC_EN; OUTREG(CRTC_GEN_CNTL, cgc); OUTREG(CRTC_EXT_CNTL, cec); OUTREG(CRTC_PITCH, 0xa0); OUTREG(CRTC_OFFSET, 0); OUTREG(CRTC_OFFSET_CNTL, 0); OUTREG(GRPH_BUFFER_CNTL, 0x20117c7c); OUTREG(GRPH2_BUFFER_CNTL, 0x00205c5c); tmp2 = INREG(FP_GEN_CNTL); tmp = INREG(TMDS_TRANSMITTER_CNTL); OUTREG(0x2a8, 0x0000061b); tmp |= TMDS_PLL_EN; OUTREG(TMDS_TRANSMITTER_CNTL, tmp); mdelay(1); tmp &= ~TMDS_PLLRST; OUTREG(TMDS_TRANSMITTER_CNTL, tmp); tmp2 &= ~2; tmp2 |= FP_TMDS_EN; OUTREG(FP_GEN_CNTL, tmp2); mdelay(5); tmp2 |= FP_FPON; OUTREG(FP_GEN_CNTL, tmp2); OUTREG(CUR_HORZ_VERT_OFF, CUR_LOCK | 1); cgc = INREG(CRTC_GEN_CNTL); OUTREG(CUR_HORZ_VERT_POSN, 0xbfff0fff); cgc |= 0x10000; OUTREG(CUR_OFFSET, 0); } #endif /* 0 */ #endif /* CONFIG_PPC */ static void radeonfb_whack_power_state(struct radeonfb_info *rinfo, pci_power_t state) { u16 pwr_cmd; for (;;) { pci_read_config_word(rinfo->pdev, rinfo->pdev->pm_cap + PCI_PM_CTRL, &pwr_cmd); if (pwr_cmd & state) break; pwr_cmd = (pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | state; pci_write_config_word(rinfo->pdev, rinfo->pdev->pm_cap + PCI_PM_CTRL, pwr_cmd); msleep(500); } rinfo->pdev->current_state = state; } static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) { u32 tmp; if (!rinfo->pdev->pm_cap) return; /* Set the chip into appropriate suspend mode (we use D2, * D3 would require a compete re-initialization of the chip, * including PCI config registers, clocks, AGP conf, ...) */ if (suspend) { printk(KERN_DEBUG "radeonfb (%s): switching to D2 state...\n", pci_name(rinfo->pdev)); /* Disable dynamic power management of clocks for the * duration of the suspend/resume process */ radeon_pm_disable_dynamic_mode(rinfo); /* Save some registers */ radeon_pm_save_regs(rinfo, 0); /* Prepare mobility chips for suspend. */ if (rinfo->is_mobility) { /* Program V2CLK */ radeon_pm_program_v2clk(rinfo); /* Disable IO PADs */ radeon_pm_disable_iopad(rinfo); /* Set low current */ radeon_pm_low_current(rinfo); /* Prepare chip for power management */ radeon_pm_setup_for_suspend(rinfo); if (rinfo->family <= CHIP_FAMILY_RV280) { /* Reset the MDLL */ /* because both INPLL and OUTPLL take the same * lock, that's why. */ tmp = INPLL( pllMDLL_CKO) | MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET; OUTPLL( pllMDLL_CKO, tmp ); } } /* Switch PCI power management to D2. */ pci_disable_device(rinfo->pdev); pci_save_state(rinfo->pdev); /* The chip seems to need us to whack the PM register * repeatedly until it sticks. We do that -prior- to * calling pci_set_power_state() */ radeonfb_whack_power_state(rinfo, PCI_D2); pci_platform_power_transition(rinfo->pdev, PCI_D2); } else { printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n", pci_name(rinfo->pdev)); if (rinfo->family <= CHIP_FAMILY_RV250) { /* Reset the SDRAM controller */ radeon_pm_full_reset_sdram(rinfo); /* Restore some registers */ radeon_pm_restore_regs(rinfo); } else { /* Restore registers first */ radeon_pm_restore_regs(rinfo); /* init sdram controller */ radeon_pm_full_reset_sdram(rinfo); } } } static int radeonfb_pci_suspend_late(struct device *dev, pm_message_t mesg) { struct pci_dev *pdev = to_pci_dev(dev); struct fb_info *info = pci_get_drvdata(pdev); struct radeonfb_info *rinfo = info->par; if (mesg.event == pdev->dev.power.power_state.event) return 0; printk(KERN_DEBUG "radeonfb (%s): suspending for event: %d...\n", pci_name(pdev), mesg.event); /* For suspend-to-disk, we cheat here. We don't suspend anything and * let fbcon continue drawing until we are all set. That shouldn't * really cause any problem at this point, provided that the wakeup * code knows that any state in memory may not match the HW */ switch (mesg.event) { case PM_EVENT_FREEZE: /* about to take snapshot */ case PM_EVENT_PRETHAW: /* before restoring snapshot */ goto done; } console_lock(); fb_set_suspend(info, 1); if (!(info->flags & FBINFO_HWACCEL_DISABLED)) { /* Make sure engine is reset */ radeon_engine_idle(); radeonfb_engine_reset(rinfo); radeon_engine_idle(); } /* Blank display and LCD */ radeon_screen_blank(rinfo, FB_BLANK_POWERDOWN, 1); /* Sleep */ rinfo->asleep = 1; rinfo->lock_blank = 1; del_timer_sync(&rinfo->lvds_timer); #ifdef CONFIG_PPC_PMAC /* On powermac, we have hooks to properly suspend/resume AGP now, * use them here. We'll ultimately need some generic support here, * but the generic code isn't quite ready for that yet */ pmac_suspend_agp_for_card(pdev); #endif /* CONFIG_PPC_PMAC */ /* If we support wakeup from poweroff, we save all regs we can including cfg * space */ if (rinfo->pm_mode & radeon_pm_off) { /* Always disable dynamic clocks or weird things are happening when * the chip goes off (basically the panel doesn't shut down properly * and we crash on wakeup), * also, we want the saved regs context to have no dynamic clocks in * it, we'll restore the dynamic clocks state on wakeup */ radeon_pm_disable_dynamic_mode(rinfo); msleep(50); radeon_pm_save_regs(rinfo, 1); if (rinfo->is_mobility && !(rinfo->pm_mode & radeon_pm_d2)) { /* Switch off LVDS interface */ usleep_range(1000, 2000); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_BL_MOD_EN)); usleep_range(1000, 2000); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_EN | LVDS_ON)); OUTREG(LVDS_PLL_CNTL, (INREG(LVDS_PLL_CNTL) & ~30000) | 0x20000); msleep(20); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_DIGON)); } } /* If we support D2, we go to it (should be fixed later with a flag forcing * D3 only for some laptops) */ if (rinfo->pm_mode & radeon_pm_d2) radeon_set_suspend(rinfo, 1); console_unlock(); done: pdev->dev.power.power_state = mesg; return 0; } static int radeonfb_pci_suspend(struct device *dev) { return radeonfb_pci_suspend_late(dev, PMSG_SUSPEND); } static int radeonfb_pci_hibernate(struct device *dev) { return radeonfb_pci_suspend_late(dev, PMSG_HIBERNATE); } static int radeonfb_pci_freeze(struct device *dev) { return radeonfb_pci_suspend_late(dev, PMSG_FREEZE); } static int radeon_check_power_loss(struct radeonfb_info *rinfo) { return rinfo->save_regs[4] != INPLL(CLK_PIN_CNTL) || rinfo->save_regs[2] != INPLL(MCLK_CNTL) || rinfo->save_regs[3] != INPLL(SCLK_CNTL); } static int radeonfb_pci_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct fb_info *info = pci_get_drvdata(pdev); struct radeonfb_info *rinfo = info->par; int rc = 0; if (pdev->dev.power.power_state.event == PM_EVENT_ON) return 0; if (rinfo->no_schedule) { if (!console_trylock()) return 0; } else console_lock(); printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n", pci_name(pdev), pdev->dev.power.power_state.event); /* PCI state will have been restored by the core, so * we should be in D0 now with our config space fully * restored */ if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { /* Wakeup chip */ if ((rinfo->pm_mode & radeon_pm_off) && radeon_check_power_loss(rinfo)) { if (rinfo->reinit_func != NULL) rinfo->reinit_func(rinfo); else { printk(KERN_ERR "radeonfb (%s): can't resume radeon from" " D3 cold, need softboot !", pci_name(pdev)); rc = -EIO; goto bail; } } /* If we support D2, try to resume... we should check what was our * state though... (were we really in D2 state ?). Right now, this code * is only enable on Macs so it's fine. */ else if (rinfo->pm_mode & radeon_pm_d2) radeon_set_suspend(rinfo, 0); rinfo->asleep = 0; } else radeon_engine_idle(); /* Restore display & engine */ radeon_write_mode (rinfo, &rinfo->state, 1); if (!(info->flags & FBINFO_HWACCEL_DISABLED)) radeonfb_engine_init (rinfo); fb_pan_display(info, &info->var); fb_set_cmap(&info->cmap, info); /* Refresh */ fb_set_suspend(info, 0); /* Unblank */ rinfo->lock_blank = 0; radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 1); #ifdef CONFIG_PPC_PMAC /* On powermac, we have hooks to properly suspend/resume AGP now, * use them here. We'll ultimately need some generic support here, * but the generic code isn't quite ready for that yet */ pmac_resume_agp_for_card(pdev); #endif /* CONFIG_PPC_PMAC */ /* Check status of dynclk */ if (rinfo->dynclk == 1) radeon_pm_enable_dynamic_mode(rinfo); else if (rinfo->dynclk == 0) radeon_pm_disable_dynamic_mode(rinfo); pdev->dev.power.power_state = PMSG_ON; bail: console_unlock(); return rc; } const struct dev_pm_ops radeonfb_pci_pm_ops = { .suspend = radeonfb_pci_suspend, .resume = radeonfb_pci_resume, .freeze = radeonfb_pci_freeze, .thaw = radeonfb_pci_resume, .poweroff = radeonfb_pci_hibernate, .restore = radeonfb_pci_resume, }; #ifdef CONFIG_PPC__disabled static void radeonfb_early_resume(void *data) { struct radeonfb_info *rinfo = data; rinfo->no_schedule = 1; pci_restore_state(rinfo->pdev); radeonfb_pci_resume(rinfo->pdev); rinfo->no_schedule = 0; } #endif /* CONFIG_PPC */ #endif /* CONFIG_PM */ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep) { /* Enable/Disable dynamic clocks: TODO add sysfs access */ if (rinfo->family == CHIP_FAMILY_RS480) rinfo->dynclk = -1; else rinfo->dynclk = dynclk; if (rinfo->dynclk == 1) { radeon_pm_enable_dynamic_mode(rinfo); printk("radeonfb: Dynamic Clock Power Management enabled\n"); } else if (rinfo->dynclk == 0) { radeon_pm_disable_dynamic_mode(rinfo); printk("radeonfb: Dynamic Clock Power Management disabled\n"); } #if defined(CONFIG_PM) #if defined(CONFIG_PPC_PMAC) /* Check if we can power manage on suspend/resume. We can do * D2 on M6, M7 and M9, and we can resume from D3 cold a few other * "Mac" cards, but that's all. We need more infos about what the * BIOS does tho. Right now, all this PM stuff is pmac-only for that * reason. --BenH */ if (machine_is(powermac) && rinfo->of_node) { if (rinfo->is_mobility && rinfo->pdev->pm_cap && rinfo->family <= CHIP_FAMILY_RV250) rinfo->pm_mode |= radeon_pm_d2; /* We can restart Jasper (M10 chip in albooks), BlueStone (7500 chip * in some desktop G4s), Via (M9+ chip on iBook G4) and * Snowy (M11 chip on iBook G4 manufactured after July 2005) */ if (of_node_name_eq(rinfo->of_node, "ATY,JasperParent") || of_node_name_eq(rinfo->of_node, "ATY,SnowyParent")) { rinfo->reinit_func = radeon_reinitialize_M10; rinfo->pm_mode |= radeon_pm_off; } #if 0 /* Not ready yet */ if (!strcmp(rinfo->of_node->name, "ATY,BlueStoneParent")) { rinfo->reinit_func = radeon_reinitialize_QW; rinfo->pm_mode |= radeon_pm_off; } #endif if (of_node_name_eq(rinfo->of_node, "ATY,ViaParent")) { rinfo->reinit_func = radeon_reinitialize_M9P; rinfo->pm_mode |= radeon_pm_off; } /* If any of the above is set, we assume the machine can sleep/resume. * It's a bit of a "shortcut" but will work fine. Ideally, we need infos * from the platform about what happens to the chip... * Now we tell the platform about our capability */ if (rinfo->pm_mode != radeon_pm_none) { pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, rinfo->of_node, 0, 1); #if 0 /* Disable the early video resume hack for now as it's causing problems, among * others we now rely on the PCI core restoring the config space for us, which * isn't the case with that hack, and that code path causes various things to * be called with interrupts off while they shouldn't. I'm leaving the code in * as it can be useful for debugging purposes */ pmac_set_early_video_resume(radeonfb_early_resume, rinfo); #endif } #if 0 /* Power down TV DAC, that saves a significant amount of power, * we'll have something better once we actually have some TVOut * support */ OUTREG(TV_DAC_CNTL, INREG(TV_DAC_CNTL) | 0x07000000); #endif } #endif /* defined(CONFIG_PPC_PMAC) */ #endif /* defined(CONFIG_PM) */ if (ignore_devlist) printk(KERN_DEBUG "radeonfb: skipping test for device workarounds\n"); else radeon_apply_workarounds(rinfo); if (force_sleep) { printk(KERN_DEBUG "radeonfb: forcefully enabling D2 sleep mode\n"); rinfo->pm_mode |= radeon_pm_d2; } } void radeonfb_pm_exit(struct radeonfb_info *rinfo) { #if defined(CONFIG_PM) && defined(CONFIG_PPC_PMAC) if (rinfo->pm_mode != radeon_pm_none) pmac_set_early_video_resume(NULL, NULL); #endif }
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