diff options
Diffstat (limited to 'drivers/video/fbdev/aty/radeon_pm.c')
| -rw-r--r-- | drivers/video/fbdev/aty/radeon_pm.c | 2910 |
1 files changed, 2910 insertions, 0 deletions
diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c new file mode 100644 index 000000000..e695adb0e --- /dev/null +++ b/drivers/video/fbdev/aty/radeon_pm.c @@ -0,0 +1,2910 @@ +// 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/prom.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; + /* fall through */ + case 2: + dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP; + dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET; + /* fall through */ + 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; + /* fall through */ + 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_PM) +#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 +#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_complete_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); + } + } +} + +int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) +{ + 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 */ + + /* It's unclear whether or when the generic code will do that, so let's + * do it ourselves. We save state before we do any power management + */ + pci_save_state(pdev); + + /* 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)); + } + pci_disable_device(pdev); + } + /* 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 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); +} + +int radeonfb_pci_resume(struct pci_dev *pdev) +{ + 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; +} + +#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 (!strcmp(rinfo->of_node->name, "ATY,JasperParent") || + !strcmp(rinfo->of_node->name, "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 (!strcmp(rinfo->of_node->name, "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 +} |