rs600.c revision 254885
182498Sroberto/* 254359Sroberto * Copyright 2008 Advanced Micro Devices, Inc. 354359Sroberto * Copyright 2008 Red Hat Inc. 454359Sroberto * Copyright 2009 Jerome Glisse. 554359Sroberto * 654359Sroberto * Permission is hereby granted, free of charge, to any person obtaining a 754359Sroberto * copy of this software and associated documentation files (the "Software"), 854359Sroberto * to deal in the Software without restriction, including without limitation 954359Sroberto * the rights to use, copy, modify, merge, publish, distribute, sublicense, 1054359Sroberto * and/or sell copies of the Software, and to permit persons to whom the 1154359Sroberto * Software is furnished to do so, subject to the following conditions: 1254359Sroberto * 1354359Sroberto * The above copyright notice and this permission notice shall be included in 1454359Sroberto * all copies or substantial portions of the Software. 1554359Sroberto * 1654359Sroberto * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1754359Sroberto * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1854359Sroberto * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 1954359Sroberto * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 2054359Sroberto * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 2154359Sroberto * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2254359Sroberto * OTHER DEALINGS IN THE SOFTWARE. 2354359Sroberto * 2454359Sroberto * Authors: Dave Airlie 2554359Sroberto * Alex Deucher 2654359Sroberto * Jerome Glisse 2754359Sroberto */ 2854359Sroberto/* RS600 / Radeon X1250/X1270 integrated GPU 2954359Sroberto * 3054359Sroberto * This file gather function specific to RS600 which is the IGP of 3154359Sroberto * the X1250/X1270 family supporting intel CPU (while RS690/RS740 3254359Sroberto * is the X1250/X1270 supporting AMD CPU). The display engine are 3354359Sroberto * the avivo one, bios is an atombios, 3D block are the one of the 3454359Sroberto * R4XX family. The GART is different from the RS400 one and is very 3554359Sroberto * close to the one of the R600 family (R600 likely being an evolution 3654359Sroberto * of the RS600 GART block). 3754359Sroberto */ 3854359Sroberto 3954359Sroberto#include <sys/cdefs.h> 4054359Sroberto__FBSDID("$FreeBSD: head/sys/dev/drm2/radeon/rs600.c 254885 2013-08-25 19:37:15Z dumbbell $"); 4154359Sroberto 4254359Sroberto#include <dev/drm2/drmP.h> 4354359Sroberto#include "radeon.h" 4454359Sroberto#include "radeon_asic.h" 4554359Sroberto#include "atom.h" 4682498Sroberto#include "rs600d.h" 4754359Sroberto 4854359Sroberto#include "rs600_reg_safe.h" 4954359Sroberto 5054359Srobertostatic void rs600_gpu_init(struct radeon_device *rdev); 5154359Sroberto 5254359Srobertostatic const u32 crtc_offsets[2] = 5354359Sroberto{ 5454359Sroberto 0, 5554359Sroberto AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 5654359Sroberto}; 5754359Sroberto 5854359Srobertovoid avivo_wait_for_vblank(struct radeon_device *rdev, int crtc) 5954359Sroberto{ 6054359Sroberto int i; 6154359Sroberto 6254359Sroberto if (crtc >= rdev->num_crtc) 6354359Sroberto return; 6454359Sroberto 6554359Sroberto if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN) { 6654359Sroberto for (i = 0; i < rdev->usec_timeout; i++) { 6754359Sroberto if (!(RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)) 6854359Sroberto break; 6954359Sroberto DRM_UDELAY(1); 7054359Sroberto } 7154359Sroberto for (i = 0; i < rdev->usec_timeout; i++) { 7254359Sroberto if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK) 7354359Sroberto break; 7454359Sroberto DRM_UDELAY(1); 7554359Sroberto } 7654359Sroberto } 7754359Sroberto} 7854359Sroberto 7954359Srobertovoid rs600_pre_page_flip(struct radeon_device *rdev, int crtc) 8054359Sroberto{ 8154359Sroberto /* enable the pflip int */ 8254359Sroberto radeon_irq_kms_pflip_irq_get(rdev, crtc); 8354359Sroberto} 8454359Sroberto 8554359Srobertovoid rs600_post_page_flip(struct radeon_device *rdev, int crtc) 8654359Sroberto{ 8754359Sroberto /* disable the pflip int */ 8854359Sroberto radeon_irq_kms_pflip_irq_put(rdev, crtc); 8954359Sroberto} 9054359Sroberto 9154359Srobertou32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) 9254359Sroberto{ 9354359Sroberto struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 9454359Sroberto u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset); 9554359Sroberto int i; 9654359Sroberto 9754359Sroberto /* Lock the graphics update lock */ 9854359Sroberto tmp |= AVIVO_D1GRPH_UPDATE_LOCK; 9954359Sroberto WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 10054359Sroberto 10154359Sroberto /* update the scanout addresses */ 10254359Sroberto WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 10354359Sroberto (u32)crtc_base); 10454359Sroberto WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 10554359Sroberto (u32)crtc_base); 10654359Sroberto 10754359Sroberto /* Wait for update_pending to go high. */ 10854359Sroberto for (i = 0; i < rdev->usec_timeout; i++) { 10954359Sroberto if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) 11054359Sroberto break; 11154359Sroberto DRM_UDELAY(1); 11254359Sroberto } 11354359Sroberto DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 11454359Sroberto 11554359Sroberto /* Unlock the lock, so double-buffering can take place inside vblank */ 11654359Sroberto tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK; 11754359Sroberto WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 11854359Sroberto 11954359Sroberto /* Return current update_pending status: */ 12054359Sroberto return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING; 12154359Sroberto} 12254359Sroberto 12354359Srobertovoid rs600_pm_misc(struct radeon_device *rdev) 12454359Sroberto{ 12554359Sroberto int requested_index = rdev->pm.requested_power_state_index; 12654359Sroberto struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; 12754359Sroberto struct radeon_voltage *voltage = &ps->clock_info[0].voltage; 12854359Sroberto u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl; 12954359Sroberto u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl; 13054359Sroberto 13154359Sroberto if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) { 13254359Sroberto if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) { 13354359Sroberto tmp = RREG32(voltage->gpio.reg); 13454359Sroberto if (voltage->active_high) 13554359Sroberto tmp |= voltage->gpio.mask; 13654359Sroberto else 13754359Sroberto tmp &= ~(voltage->gpio.mask); 13854359Sroberto WREG32(voltage->gpio.reg, tmp); 13954359Sroberto if (voltage->delay) 14054359Sroberto DRM_UDELAY(voltage->delay); 14154359Sroberto } else { 14254359Sroberto tmp = RREG32(voltage->gpio.reg); 14354359Sroberto if (voltage->active_high) 14454359Sroberto tmp &= ~voltage->gpio.mask; 14554359Sroberto else 14654359Sroberto tmp |= voltage->gpio.mask; 14754359Sroberto WREG32(voltage->gpio.reg, tmp); 14854359Sroberto if (voltage->delay) 14954359Sroberto DRM_UDELAY(voltage->delay); 15054359Sroberto } 151290000Sglebius } else if (voltage->type == VOLTAGE_VDDC) 152290000Sglebius radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC); 15354359Sroberto 154290000Sglebius dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH); 155290000Sglebius dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf); 156290000Sglebius dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf); 157290000Sglebius if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) { 158290000Sglebius if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) { 159290000Sglebius dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2); 16054359Sroberto dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2); 16154359Sroberto } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) { 16254359Sroberto dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4); 16354359Sroberto dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4); 164290000Sglebius } 165290000Sglebius } else { 166290000Sglebius dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1); 167290000Sglebius dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1); 168290000Sglebius } 169290000Sglebius WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length); 170290000Sglebius 171290000Sglebius dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL); 172290000Sglebius if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) { 173290000Sglebius dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP; 174290000Sglebius if (voltage->delay) { 175290000Sglebius dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC; 176290000Sglebius dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay); 177290000Sglebius } else 178290000Sglebius dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC; 17954359Sroberto } else 18054359Sroberto dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP; 18154359Sroberto WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl); 18254359Sroberto 18354359Sroberto hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL); 18454359Sroberto if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN) 18554359Sroberto hdp_dyn_cntl &= ~HDP_FORCEON; 18654359Sroberto else 18754359Sroberto hdp_dyn_cntl |= HDP_FORCEON; 18854359Sroberto WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl); 18954359Sroberto#if 0 19054359Sroberto /* mc_host_dyn seems to cause hangs from time to time */ 19154359Sroberto mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL); 19254359Sroberto if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN) 19354359Sroberto mc_host_dyn_cntl &= ~MC_HOST_FORCEON; 19454359Sroberto else 19554359Sroberto mc_host_dyn_cntl |= MC_HOST_FORCEON; 19654359Sroberto WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl); 19754359Sroberto#endif 19854359Sroberto dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL); 19954359Sroberto if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN) 20054359Sroberto dyn_backbias_cntl |= IO_CG_BACKBIAS_EN; 20154359Sroberto else 20254359Sroberto dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN; 20354359Sroberto WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl); 20454359Sroberto 20554359Sroberto /* set pcie lanes */ 20654359Sroberto if ((rdev->flags & RADEON_IS_PCIE) && 20754359Sroberto !(rdev->flags & RADEON_IS_IGP) && 20854359Sroberto rdev->asic->pm.set_pcie_lanes && 209290000Sglebius (ps->pcie_lanes != 21054359Sroberto rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) { 21154359Sroberto radeon_set_pcie_lanes(rdev, 21254359Sroberto ps->pcie_lanes); 21354359Sroberto DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes); 21454359Sroberto } 21554359Sroberto} 216290000Sglebius 217290000Sglebiusvoid rs600_pm_prepare(struct radeon_device *rdev) 218290000Sglebius{ 219290000Sglebius struct drm_device *ddev = rdev->ddev; 220290000Sglebius struct drm_crtc *crtc; 221290000Sglebius struct radeon_crtc *radeon_crtc; 222290000Sglebius u32 tmp; 22354359Sroberto 22454359Sroberto /* disable any active CRTCs */ 22554359Sroberto list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 226290000Sglebius radeon_crtc = to_radeon_crtc(crtc); 227290000Sglebius if (radeon_crtc->enabled) { 22854359Sroberto tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); 22954359Sroberto tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 230290000Sglebius WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 231290000Sglebius } 232290000Sglebius } 233290000Sglebius} 234290000Sglebius 235290000Sglebiusvoid rs600_pm_finish(struct radeon_device *rdev) 236290000Sglebius{ 237290000Sglebius struct drm_device *ddev = rdev->ddev; 238290000Sglebius struct drm_crtc *crtc; 239290000Sglebius struct radeon_crtc *radeon_crtc; 240290000Sglebius u32 tmp; 24154359Sroberto 24254359Sroberto /* enable any active CRTCs */ 24354359Sroberto list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 24454359Sroberto radeon_crtc = to_radeon_crtc(crtc); 24554359Sroberto if (radeon_crtc->enabled) { 24654359Sroberto tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); 24754359Sroberto tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 24882498Sroberto WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 24954359Sroberto } 25054359Sroberto } 25154359Sroberto} 25254359Sroberto 25354359Sroberto/* hpd for digital panel detect/disconnect */ 25454359Srobertobool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 25554359Sroberto{ 25654359Sroberto u32 tmp; 25754359Sroberto bool connected = false; 25854359Sroberto 25954359Sroberto switch (hpd) { 26054359Sroberto case RADEON_HPD_1: 261290000Sglebius tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS); 26254359Sroberto if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp)) 26354359Sroberto connected = true; 26454359Sroberto break; 26554359Sroberto case RADEON_HPD_2: 26654359Sroberto tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS); 26754359Sroberto if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp)) 26854359Sroberto connected = true; 26954359Sroberto break; 27054359Sroberto default: 27154359Sroberto break; 27254359Sroberto } 27354359Sroberto return connected; 27454359Sroberto} 27554359Sroberto 27654359Srobertovoid rs600_hpd_set_polarity(struct radeon_device *rdev, 27754359Sroberto enum radeon_hpd_id hpd) 27854359Sroberto{ 27954359Sroberto u32 tmp; 280290000Sglebius bool connected = rs600_hpd_sense(rdev, hpd); 28154359Sroberto 28254359Sroberto switch (hpd) { 28354359Sroberto case RADEON_HPD_1: 28454359Sroberto tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); 28554359Sroberto if (connected) 28654359Sroberto tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); 28754359Sroberto else 28854359Sroberto tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); 28954359Sroberto WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 29054359Sroberto break; 29154359Sroberto case RADEON_HPD_2: 29254359Sroberto tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); 29354359Sroberto if (connected) 29454359Sroberto tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); 29554359Sroberto else 29654359Sroberto tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); 29754359Sroberto WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 29854359Sroberto break; 29954359Sroberto default: 30054359Sroberto break; 30154359Sroberto } 30254359Sroberto} 30354359Sroberto 30454359Srobertovoid rs600_hpd_init(struct radeon_device *rdev) 30554359Sroberto{ 30654359Sroberto struct drm_device *dev = rdev->ddev; 30754359Sroberto struct drm_connector *connector; 30854359Sroberto unsigned enable = 0; 30954359Sroberto 31054359Sroberto list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 31154359Sroberto struct radeon_connector *radeon_connector = to_radeon_connector(connector); 31254359Sroberto switch (radeon_connector->hpd.hpd) { 31354359Sroberto case RADEON_HPD_1: 31454359Sroberto WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, 31554359Sroberto S_007D00_DC_HOT_PLUG_DETECT1_EN(1)); 31654359Sroberto break; 31754359Sroberto case RADEON_HPD_2: 31854359Sroberto WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, 319290000Sglebius S_007D10_DC_HOT_PLUG_DETECT2_EN(1)); 320290000Sglebius break; 32154359Sroberto default: 32254359Sroberto break; 32354359Sroberto } 32454359Sroberto enable |= 1 << radeon_connector->hpd.hpd; 32554359Sroberto radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 32654359Sroberto } 327290000Sglebius radeon_irq_kms_enable_hpd(rdev, enable); 328290000Sglebius} 329290000Sglebius 330290000Sglebiusvoid rs600_hpd_fini(struct radeon_device *rdev) 331290000Sglebius{ 33254359Sroberto struct drm_device *dev = rdev->ddev; 33354359Sroberto struct drm_connector *connector; 33454359Sroberto unsigned disable = 0; 33554359Sroberto 33654359Sroberto list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 33754359Sroberto struct radeon_connector *radeon_connector = to_radeon_connector(connector); 33854359Sroberto switch (radeon_connector->hpd.hpd) { 33954359Sroberto case RADEON_HPD_1: 34054359Sroberto WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, 34154359Sroberto S_007D00_DC_HOT_PLUG_DETECT1_EN(0)); 34254359Sroberto break; 34354359Sroberto case RADEON_HPD_2: 34454359Sroberto WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, 34554359Sroberto S_007D10_DC_HOT_PLUG_DETECT2_EN(0)); 34654359Sroberto break; 34754359Sroberto default: 34854359Sroberto break; 34954359Sroberto } 35054359Sroberto disable |= 1 << radeon_connector->hpd.hpd; 35154359Sroberto } 35254359Sroberto radeon_irq_kms_disable_hpd(rdev, disable); 35354359Sroberto} 35454359Sroberto 35554359Srobertoint rs600_asic_reset(struct radeon_device *rdev) 35654359Sroberto{ 35754359Sroberto struct rv515_mc_save save; 35854359Sroberto u32 status, tmp; 35954359Sroberto int ret = 0; 36054359Sroberto 36154359Sroberto status = RREG32(R_000E40_RBBM_STATUS); 36254359Sroberto if (!G_000E40_GUI_ACTIVE(status)) { 36354359Sroberto return 0; 36454359Sroberto } 36554359Sroberto /* Stops all mc clients */ 36654359Sroberto rv515_mc_stop(rdev, &save); 36754359Sroberto status = RREG32(R_000E40_RBBM_STATUS); 36854359Sroberto dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 36954359Sroberto /* stop CP */ 37054359Sroberto WREG32(RADEON_CP_CSQ_CNTL, 0); 37154359Sroberto tmp = RREG32(RADEON_CP_RB_CNTL); 37254359Sroberto WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 37354359Sroberto WREG32(RADEON_CP_RB_RPTR_WR, 0); 37454359Sroberto WREG32(RADEON_CP_RB_WPTR, 0); 37554359Sroberto WREG32(RADEON_CP_RB_CNTL, tmp); 37654359Sroberto pci_save_state(rdev->dev); 37754359Sroberto /* disable bus mastering */ 37854359Sroberto pci_disable_busmaster(rdev->dev); 37954359Sroberto DRM_MDELAY(1); 38054359Sroberto /* reset GA+VAP */ 38154359Sroberto WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | 38254359Sroberto S_0000F0_SOFT_RESET_GA(1)); 38354359Sroberto RREG32(R_0000F0_RBBM_SOFT_RESET); 38454359Sroberto DRM_MDELAY(500); 38554359Sroberto WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 38654359Sroberto DRM_MDELAY(1); 38754359Sroberto status = RREG32(R_000E40_RBBM_STATUS); 38854359Sroberto dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 38954359Sroberto /* reset CP */ 39054359Sroberto WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 39154359Sroberto RREG32(R_0000F0_RBBM_SOFT_RESET); 39254359Sroberto DRM_MDELAY(500); 39354359Sroberto WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 39454359Sroberto DRM_MDELAY(1); 39554359Sroberto status = RREG32(R_000E40_RBBM_STATUS); 39654359Sroberto dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 39754359Sroberto /* reset MC */ 39854359Sroberto WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1)); 39954359Sroberto RREG32(R_0000F0_RBBM_SOFT_RESET); 40054359Sroberto DRM_MDELAY(500); 40154359Sroberto WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 40254359Sroberto DRM_MDELAY(1); 40354359Sroberto status = RREG32(R_000E40_RBBM_STATUS); 40454359Sroberto dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 40554359Sroberto /* restore PCI & busmastering */ 40654359Sroberto pci_restore_state(rdev->dev); 40754359Sroberto /* Check if GPU is idle */ 40854359Sroberto if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) { 40954359Sroberto dev_err(rdev->dev, "failed to reset GPU\n"); 41054359Sroberto ret = -1; 41154359Sroberto } else 41254359Sroberto dev_info(rdev->dev, "GPU reset succeed\n"); 41354359Sroberto rv515_mc_resume(rdev, &save); 41454359Sroberto return ret; 41554359Sroberto} 41654359Sroberto 41754359Sroberto/* 41854359Sroberto * GART. 41954359Sroberto */ 42054359Srobertovoid rs600_gart_tlb_flush(struct radeon_device *rdev) 42154359Sroberto{ 42254359Sroberto uint32_t tmp; 423290000Sglebius 42454359Sroberto tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 42582498Sroberto tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; 42654359Sroberto WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 42754359Sroberto 42854359Sroberto tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 42954359Sroberto tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1); 43054359Sroberto WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 43154359Sroberto 43282498Sroberto tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 43354359Sroberto tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; 43454359Sroberto WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 43554359Sroberto tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 43654359Sroberto} 43754359Sroberto 43854359Srobertostatic int rs600_gart_init(struct radeon_device *rdev) 43954359Sroberto{ 44054359Sroberto int r; 44154359Sroberto 44254359Sroberto if (rdev->gart.robj) { 44354359Sroberto DRM_ERROR("RS600 GART already initialized\n"); 44454359Sroberto return 0; 44554359Sroberto } 44654359Sroberto /* Initialize common gart structure */ 44754359Sroberto r = radeon_gart_init(rdev); 44854359Sroberto if (r) { 44954359Sroberto return r; 45054359Sroberto } 45154359Sroberto rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 45254359Sroberto return radeon_gart_table_vram_alloc(rdev); 45354359Sroberto} 45454359Sroberto 45554359Srobertostatic int rs600_gart_enable(struct radeon_device *rdev) 45654359Sroberto{ 45754359Sroberto u32 tmp; 45854359Sroberto int r, i; 45954359Sroberto 46054359Sroberto if (rdev->gart.robj == NULL) { 46154359Sroberto dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 46254359Sroberto return -EINVAL; 46354359Sroberto } 46454359Sroberto r = radeon_gart_table_vram_pin(rdev); 46554359Sroberto if (r) 46654359Sroberto return r; 46754359Sroberto radeon_gart_restore(rdev); 46854359Sroberto /* Enable bus master */ 46954359Sroberto tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS; 47054359Sroberto WREG32(RADEON_BUS_CNTL, tmp); 47154359Sroberto /* FIXME: setup default page */ 47254359Sroberto WREG32_MC(R_000100_MC_PT0_CNTL, 47354359Sroberto (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) | 47454359Sroberto S_000100_EFFECTIVE_L2_QUEUE_SIZE(6))); 47554359Sroberto 47654359Sroberto for (i = 0; i < 19; i++) { 47754359Sroberto WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i, 47854359Sroberto S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) | 47954359Sroberto S_00016C_SYSTEM_ACCESS_MODE_MASK( 48054359Sroberto V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) | 48154359Sroberto S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS( 48254359Sroberto V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) | 48354359Sroberto S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) | 48454359Sroberto S_00016C_ENABLE_FRAGMENT_PROCESSING(1) | 48554359Sroberto S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3)); 48654359Sroberto } 48754359Sroberto /* enable first context */ 48854359Sroberto WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL, 48954359Sroberto S_000102_ENABLE_PAGE_TABLE(1) | 49054359Sroberto S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT)); 49154359Sroberto 49254359Sroberto /* disable all other contexts */ 49354359Sroberto for (i = 1; i < 8; i++) 49454359Sroberto WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0); 49554359Sroberto 49654359Sroberto /* setup the page table */ 49754359Sroberto WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR, 49854359Sroberto rdev->gart.table_addr); 49954359Sroberto WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start); 50054359Sroberto WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end); 50154359Sroberto WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0); 50254359Sroberto 50354359Sroberto /* System context maps to VRAM space */ 50454359Sroberto WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start); 50554359Sroberto WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end); 50654359Sroberto 507 /* enable page tables */ 508 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 509 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1))); 510 tmp = RREG32_MC(R_000009_MC_CNTL1); 511 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1))); 512 rs600_gart_tlb_flush(rdev); 513 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 514 (unsigned)(rdev->mc.gtt_size >> 20), 515 (unsigned long long)rdev->gart.table_addr); 516 rdev->gart.ready = true; 517 return 0; 518} 519 520static void rs600_gart_disable(struct radeon_device *rdev) 521{ 522 u32 tmp; 523 524 /* FIXME: disable out of gart access */ 525 WREG32_MC(R_000100_MC_PT0_CNTL, 0); 526 tmp = RREG32_MC(R_000009_MC_CNTL1); 527 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES); 528 radeon_gart_table_vram_unpin(rdev); 529} 530 531static void rs600_gart_fini(struct radeon_device *rdev) 532{ 533 radeon_gart_fini(rdev); 534 rs600_gart_disable(rdev); 535 radeon_gart_table_vram_free(rdev); 536} 537 538#define R600_PTE_VALID (1 << 0) 539#define R600_PTE_SYSTEM (1 << 1) 540#define R600_PTE_SNOOPED (1 << 2) 541#define R600_PTE_READABLE (1 << 5) 542#define R600_PTE_WRITEABLE (1 << 6) 543 544int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) 545{ 546 uint64_t *ptr = rdev->gart.ptr; 547 548 if (i < 0 || i > rdev->gart.num_gpu_pages) { 549 return -EINVAL; 550 } 551 addr = addr & 0xFFFFFFFFFFFFF000ULL; 552 addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED; 553 addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE; 554 ptr[i] = addr; 555 return 0; 556} 557 558int rs600_irq_set(struct radeon_device *rdev) 559{ 560 uint32_t tmp = 0; 561 uint32_t mode_int = 0; 562 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) & 563 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); 564 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) & 565 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); 566 u32 hdmi0; 567 if (ASIC_IS_DCE2(rdev)) 568 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & 569 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 570 else 571 hdmi0 = 0; 572 573 if (!rdev->irq.installed) { 574 DRM_ERROR("Can't enable IRQ/MSI because no handler is installed\n"); 575 WREG32(R_000040_GEN_INT_CNTL, 0); 576 return -EINVAL; 577 } 578 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 579 tmp |= S_000040_SW_INT_EN(1); 580 } 581 if (rdev->irq.crtc_vblank_int[0] || 582 atomic_read(&rdev->irq.pflip[0])) { 583 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1); 584 } 585 if (rdev->irq.crtc_vblank_int[1] || 586 atomic_read(&rdev->irq.pflip[1])) { 587 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1); 588 } 589 if (rdev->irq.hpd[0]) { 590 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); 591 } 592 if (rdev->irq.hpd[1]) { 593 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); 594 } 595 if (rdev->irq.afmt[0]) { 596 hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 597 } 598 WREG32(R_000040_GEN_INT_CNTL, tmp); 599 WREG32(R_006540_DxMODE_INT_MASK, mode_int); 600 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 601 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 602 if (ASIC_IS_DCE2(rdev)) 603 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 604 return 0; 605} 606 607static inline u32 rs600_irq_ack(struct radeon_device *rdev) 608{ 609 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS); 610 uint32_t irq_mask = S_000044_SW_INT(1); 611 u32 tmp; 612 613 if (G_000044_DISPLAY_INT_STAT(irqs)) { 614 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS); 615 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 616 WREG32(R_006534_D1MODE_VBLANK_STATUS, 617 S_006534_D1MODE_VBLANK_ACK(1)); 618 } 619 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 620 WREG32(R_006D34_D2MODE_VBLANK_STATUS, 621 S_006D34_D2MODE_VBLANK_ACK(1)); 622 } 623 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 624 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); 625 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1); 626 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 627 } 628 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 629 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); 630 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1); 631 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 632 } 633 } else { 634 rdev->irq.stat_regs.r500.disp_int = 0; 635 } 636 637 if (ASIC_IS_DCE2(rdev)) { 638 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) & 639 S_007404_HDMI0_AZ_FORMAT_WTRIG(1); 640 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { 641 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL); 642 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1); 643 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp); 644 } 645 } else 646 rdev->irq.stat_regs.r500.hdmi0_status = 0; 647 648 if (irqs) { 649 WREG32(R_000044_GEN_INT_STATUS, irqs); 650 } 651 return irqs & irq_mask; 652} 653 654void rs600_irq_disable(struct radeon_device *rdev) 655{ 656 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & 657 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 658 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 659 WREG32(R_000040_GEN_INT_CNTL, 0); 660 WREG32(R_006540_DxMODE_INT_MASK, 0); 661 /* Wait and acknowledge irq */ 662 DRM_MDELAY(1); 663 rs600_irq_ack(rdev); 664} 665 666irqreturn_t rs600_irq_process(struct radeon_device *rdev) 667{ 668 u32 status, msi_rearm; 669 bool queue_hotplug = false; 670 bool queue_hdmi = false; 671 672 status = rs600_irq_ack(rdev); 673 if (!status && 674 !rdev->irq.stat_regs.r500.disp_int && 675 !rdev->irq.stat_regs.r500.hdmi0_status) { 676 return IRQ_NONE; 677 } 678 while (status || 679 rdev->irq.stat_regs.r500.disp_int || 680 rdev->irq.stat_regs.r500.hdmi0_status) { 681 /* SW interrupt */ 682 if (G_000044_SW_INT(status)) { 683 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 684 } 685 /* Vertical blank interrupts */ 686 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 687 if (rdev->irq.crtc_vblank_int[0]) { 688 drm_handle_vblank(rdev->ddev, 0); 689 rdev->pm.vblank_sync = true; 690 DRM_WAKEUP(&rdev->irq.vblank_queue); 691 } 692 if (atomic_read(&rdev->irq.pflip[0])) 693 radeon_crtc_handle_flip(rdev, 0); 694 } 695 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 696 if (rdev->irq.crtc_vblank_int[1]) { 697 drm_handle_vblank(rdev->ddev, 1); 698 rdev->pm.vblank_sync = true; 699 DRM_WAKEUP(&rdev->irq.vblank_queue); 700 } 701 if (atomic_read(&rdev->irq.pflip[1])) 702 radeon_crtc_handle_flip(rdev, 1); 703 } 704 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 705 queue_hotplug = true; 706 DRM_DEBUG("HPD1\n"); 707 } 708 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 709 queue_hotplug = true; 710 DRM_DEBUG("HPD2\n"); 711 } 712 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { 713 queue_hdmi = true; 714 DRM_DEBUG("HDMI0\n"); 715 } 716 status = rs600_irq_ack(rdev); 717 } 718 if (queue_hotplug) 719 taskqueue_enqueue(rdev->tq, &rdev->hotplug_work); 720 if (queue_hdmi) 721 taskqueue_enqueue(rdev->tq, &rdev->audio_work); 722 if (rdev->msi_enabled) { 723 switch (rdev->family) { 724 case CHIP_RS600: 725 case CHIP_RS690: 726 case CHIP_RS740: 727 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM; 728 WREG32(RADEON_BUS_CNTL, msi_rearm); 729 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM); 730 break; 731 default: 732 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN); 733 break; 734 } 735 } 736 return IRQ_HANDLED; 737} 738 739u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc) 740{ 741 if (crtc == 0) 742 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT); 743 else 744 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT); 745} 746 747int rs600_mc_wait_for_idle(struct radeon_device *rdev) 748{ 749 unsigned i; 750 751 for (i = 0; i < rdev->usec_timeout; i++) { 752 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS))) 753 return 0; 754 DRM_UDELAY(1); 755 } 756 return -1; 757} 758 759static void rs600_gpu_init(struct radeon_device *rdev) 760{ 761 r420_pipes_init(rdev); 762 /* Wait for mc idle */ 763 if (rs600_mc_wait_for_idle(rdev)) 764 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 765} 766 767static void rs600_mc_init(struct radeon_device *rdev) 768{ 769 u64 base; 770 771 rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); 772 rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); 773 rdev->mc.vram_is_ddr = true; 774 rdev->mc.vram_width = 128; 775 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); 776 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 777 rdev->mc.visible_vram_size = rdev->mc.aper_size; 778 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 779 base = RREG32_MC(R_000004_MC_FB_LOCATION); 780 base = G_000004_MC_FB_START(base) << 16; 781 radeon_vram_location(rdev, &rdev->mc, base); 782 rdev->mc.gtt_base_align = 0; 783 radeon_gtt_location(rdev, &rdev->mc); 784 radeon_update_bandwidth_info(rdev); 785} 786 787void rs600_bandwidth_update(struct radeon_device *rdev) 788{ 789 struct drm_display_mode *mode0 = NULL; 790 struct drm_display_mode *mode1 = NULL; 791 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt; 792 /* FIXME: implement full support */ 793 794 radeon_update_display_priority(rdev); 795 796 if (rdev->mode_info.crtcs[0]->base.enabled) 797 mode0 = &rdev->mode_info.crtcs[0]->base.mode; 798 if (rdev->mode_info.crtcs[1]->base.enabled) 799 mode1 = &rdev->mode_info.crtcs[1]->base.mode; 800 801 rs690_line_buffer_adjust(rdev, mode0, mode1); 802 803 if (rdev->disp_priority == 2) { 804 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT); 805 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT); 806 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1); 807 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1); 808 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt); 809 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt); 810 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt); 811 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt); 812 } 813} 814 815uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg) 816{ 817 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | 818 S_000070_MC_IND_CITF_ARB0(1)); 819 return RREG32(R_000074_MC_IND_DATA); 820} 821 822void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 823{ 824 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | 825 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1)); 826 WREG32(R_000074_MC_IND_DATA, v); 827} 828 829static void rs600_debugfs(struct radeon_device *rdev) 830{ 831 if (r100_debugfs_rbbm_init(rdev)) 832 DRM_ERROR("Failed to register debugfs file for RBBM !\n"); 833} 834 835void rs600_set_safe_registers(struct radeon_device *rdev) 836{ 837 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm; 838 rdev->config.r300.reg_safe_bm_size = DRM_ARRAY_SIZE(rs600_reg_safe_bm); 839} 840 841static void rs600_mc_program(struct radeon_device *rdev) 842{ 843 struct rv515_mc_save save; 844 845 /* Stops all mc clients */ 846 rv515_mc_stop(rdev, &save); 847 848 /* Wait for mc idle */ 849 if (rs600_mc_wait_for_idle(rdev)) 850 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 851 852 /* FIXME: What does AGP means for such chipset ? */ 853 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF); 854 WREG32_MC(R_000006_AGP_BASE, 0); 855 WREG32_MC(R_000007_AGP_BASE_2, 0); 856 /* Program MC */ 857 WREG32_MC(R_000004_MC_FB_LOCATION, 858 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) | 859 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16)); 860 WREG32(R_000134_HDP_FB_LOCATION, 861 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); 862 863 rv515_mc_resume(rdev, &save); 864} 865 866static int rs600_startup(struct radeon_device *rdev) 867{ 868 int r; 869 870 rs600_mc_program(rdev); 871 /* Resume clock */ 872 rv515_clock_startup(rdev); 873 /* Initialize GPU configuration (# pipes, ...) */ 874 rs600_gpu_init(rdev); 875 /* Initialize GART (initialize after TTM so we can allocate 876 * memory through TTM but finalize after TTM) */ 877 r = rs600_gart_enable(rdev); 878 if (r) 879 return r; 880 881 /* allocate wb buffer */ 882 r = radeon_wb_init(rdev); 883 if (r) 884 return r; 885 886 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 887 if (r) { 888 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 889 return r; 890 } 891 892 /* Enable IRQ */ 893 rs600_irq_set(rdev); 894 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 895 /* 1M ring buffer */ 896 r = r100_cp_init(rdev, 1024 * 1024); 897 if (r) { 898 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 899 return r; 900 } 901 902 r = radeon_ib_pool_init(rdev); 903 if (r) { 904 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 905 return r; 906 } 907 908 r = r600_audio_init(rdev); 909 if (r) { 910 dev_err(rdev->dev, "failed initializing audio\n"); 911 return r; 912 } 913 914 return 0; 915} 916 917int rs600_resume(struct radeon_device *rdev) 918{ 919 int r; 920 921 /* Make sur GART are not working */ 922 rs600_gart_disable(rdev); 923 /* Resume clock before doing reset */ 924 rv515_clock_startup(rdev); 925 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 926 if (radeon_asic_reset(rdev)) { 927 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 928 RREG32(R_000E40_RBBM_STATUS), 929 RREG32(R_0007C0_CP_STAT)); 930 } 931 /* post */ 932 atom_asic_init(rdev->mode_info.atom_context); 933 /* Resume clock after posting */ 934 rv515_clock_startup(rdev); 935 /* Initialize surface registers */ 936 radeon_surface_init(rdev); 937 938 rdev->accel_working = true; 939 r = rs600_startup(rdev); 940 if (r) { 941 rdev->accel_working = false; 942 } 943 return r; 944} 945 946int rs600_suspend(struct radeon_device *rdev) 947{ 948 r600_audio_fini(rdev); 949 r100_cp_disable(rdev); 950 radeon_wb_disable(rdev); 951 rs600_irq_disable(rdev); 952 rs600_gart_disable(rdev); 953 return 0; 954} 955 956void rs600_fini(struct radeon_device *rdev) 957{ 958 r600_audio_fini(rdev); 959 r100_cp_fini(rdev); 960 radeon_wb_fini(rdev); 961 radeon_ib_pool_fini(rdev); 962 radeon_gem_fini(rdev); 963 rs600_gart_fini(rdev); 964 radeon_irq_kms_fini(rdev); 965 radeon_fence_driver_fini(rdev); 966 radeon_bo_fini(rdev); 967 radeon_atombios_fini(rdev); 968 free(rdev->bios, DRM_MEM_DRIVER); 969 rdev->bios = NULL; 970} 971 972int rs600_init(struct radeon_device *rdev) 973{ 974 int r; 975 976 /* Disable VGA */ 977 rv515_vga_render_disable(rdev); 978 /* Initialize scratch registers */ 979 radeon_scratch_init(rdev); 980 /* Initialize surface registers */ 981 radeon_surface_init(rdev); 982 /* restore some register to sane defaults */ 983 r100_restore_sanity(rdev); 984 /* BIOS */ 985 if (!radeon_get_bios(rdev)) { 986 if (ASIC_IS_AVIVO(rdev)) 987 return -EINVAL; 988 } 989 if (rdev->is_atom_bios) { 990 r = radeon_atombios_init(rdev); 991 if (r) 992 return r; 993 } else { 994 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n"); 995 return -EINVAL; 996 } 997 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 998 if (radeon_asic_reset(rdev)) { 999 dev_warn(rdev->dev, 1000 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1001 RREG32(R_000E40_RBBM_STATUS), 1002 RREG32(R_0007C0_CP_STAT)); 1003 } 1004 /* check if cards are posted or not */ 1005 if (radeon_boot_test_post_card(rdev) == false) 1006 return -EINVAL; 1007 1008 /* Initialize clocks */ 1009 radeon_get_clock_info(rdev->ddev); 1010 /* initialize memory controller */ 1011 rs600_mc_init(rdev); 1012 rs600_debugfs(rdev); 1013 /* Fence driver */ 1014 r = radeon_fence_driver_init(rdev); 1015 if (r) 1016 return r; 1017 r = radeon_irq_kms_init(rdev); 1018 if (r) 1019 return r; 1020 /* Memory manager */ 1021 r = radeon_bo_init(rdev); 1022 if (r) 1023 return r; 1024 r = rs600_gart_init(rdev); 1025 if (r) 1026 return r; 1027 rs600_set_safe_registers(rdev); 1028 1029 rdev->accel_working = true; 1030 r = rs600_startup(rdev); 1031 if (r) { 1032 /* Somethings want wront with the accel init stop accel */ 1033 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 1034 r100_cp_fini(rdev); 1035 radeon_wb_fini(rdev); 1036 radeon_ib_pool_fini(rdev); 1037 rs600_gart_fini(rdev); 1038 radeon_irq_kms_fini(rdev); 1039 rdev->accel_working = false; 1040 } 1041 return 0; 1042} 1043