diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs600.c | 1078 |
1 files changed, 1078 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c new file mode 100644 index 0000000..670b555 --- /dev/null +++ b/drivers/gpu/drm/radeon/rs600.c @@ -0,0 +1,1078 @@ +/* + * Copyright 2008 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat Inc. + * Copyright 2009 Jerome Glisse. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Dave Airlie + * Alex Deucher + * Jerome Glisse + */ +/* RS600 / Radeon X1250/X1270 integrated GPU + * + * This file gather function specific to RS600 which is the IGP of + * the X1250/X1270 family supporting intel CPU (while RS690/RS740 + * is the X1250/X1270 supporting AMD CPU). The display engine are + * the avivo one, bios is an atombios, 3D block are the one of the + * R4XX family. The GART is different from the RS400 one and is very + * close to the one of the R600 family (R600 likely being an evolution + * of the RS600 GART block). + */ +#include <drm/drmP.h> +#include "radeon.h" +#include "radeon_asic.h" +#include "atom.h" +#include "rs600d.h" + +#include "rs600_reg_safe.h" + +static void rs600_gpu_init(struct radeon_device *rdev); +int rs600_mc_wait_for_idle(struct radeon_device *rdev); + +static const u32 crtc_offsets[2] = +{ + 0, + AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL +}; + +static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc) +{ + if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK) + return true; + else + return false; +} + +static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc) +{ + u32 pos1, pos2; + + pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); + pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); + + if (pos1 != pos2) + return true; + else + return false; +} + +/** + * avivo_wait_for_vblank - vblank wait asic callback. + * + * @rdev: radeon_device pointer + * @crtc: crtc to wait for vblank on + * + * Wait for vblank on the requested crtc (r5xx-r7xx). + */ +void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc) +{ + unsigned i = 0; + + if (crtc >= rdev->num_crtc) + return; + + if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN)) + return; + + /* depending on when we hit vblank, we may be close to active; if so, + * wait for another frame. + */ + while (avivo_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!avivo_is_counter_moving(rdev, crtc)) + break; + } + } + + while (!avivo_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!avivo_is_counter_moving(rdev, crtc)) + break; + } + } +} + +void rs600_pre_page_flip(struct radeon_device *rdev, int crtc) +{ + /* enable the pflip int */ + radeon_irq_kms_pflip_irq_get(rdev, crtc); +} + +void rs600_post_page_flip(struct radeon_device *rdev, int crtc) +{ + /* disable the pflip int */ + radeon_irq_kms_pflip_irq_put(rdev, crtc); +} + +u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset); + int i; + + /* Lock the graphics update lock */ + tmp |= AVIVO_D1GRPH_UPDATE_LOCK; + WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); + + /* update the scanout addresses */ + WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, + (u32)crtc_base); + WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, + (u32)crtc_base); + + /* Wait for update_pending to go high. */ + for (i = 0; i < rdev->usec_timeout; i++) { + if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) + break; + udelay(1); + } + DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); + + /* Unlock the lock, so double-buffering can take place inside vblank */ + tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK; + WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); + + /* Return current update_pending status: */ + return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING; +} + +void rs600_pm_misc(struct radeon_device *rdev) +{ + int requested_index = rdev->pm.requested_power_state_index; + struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; + struct radeon_voltage *voltage = &ps->clock_info[0].voltage; + u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl; + u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl; + + if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) { + if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) { + tmp = RREG32(voltage->gpio.reg); + if (voltage->active_high) + tmp |= voltage->gpio.mask; + else + tmp &= ~(voltage->gpio.mask); + WREG32(voltage->gpio.reg, tmp); + if (voltage->delay) + udelay(voltage->delay); + } else { + tmp = RREG32(voltage->gpio.reg); + if (voltage->active_high) + tmp &= ~voltage->gpio.mask; + else + tmp |= voltage->gpio.mask; + WREG32(voltage->gpio.reg, tmp); + if (voltage->delay) + udelay(voltage->delay); + } + } else if (voltage->type == VOLTAGE_VDDC) + radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC); + + dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH); + dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf); + dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf); + if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) { + if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) { + dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2); + dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2); + } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) { + dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4); + dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4); + } + } else { + dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1); + dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1); + } + WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length); + + dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL); + if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) { + dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP; + if (voltage->delay) { + dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC; + dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay); + } else + dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC; + } else + dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP; + WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl); + + hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL); + if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN) + hdp_dyn_cntl &= ~HDP_FORCEON; + else + hdp_dyn_cntl |= HDP_FORCEON; + WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl); +#if 0 + /* mc_host_dyn seems to cause hangs from time to time */ + mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL); + if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN) + mc_host_dyn_cntl &= ~MC_HOST_FORCEON; + else + mc_host_dyn_cntl |= MC_HOST_FORCEON; + WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl); +#endif + dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL); + if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN) + dyn_backbias_cntl |= IO_CG_BACKBIAS_EN; + else + dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN; + WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl); + + /* set pcie lanes */ + if ((rdev->flags & RADEON_IS_PCIE) && + !(rdev->flags & RADEON_IS_IGP) && + rdev->asic->pm.set_pcie_lanes && + (ps->pcie_lanes != + rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) { + radeon_set_pcie_lanes(rdev, + ps->pcie_lanes); + DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes); + } +} + +void rs600_pm_prepare(struct radeon_device *rdev) +{ + struct drm_device *ddev = rdev->ddev; + struct drm_crtc *crtc; + struct radeon_crtc *radeon_crtc; + u32 tmp; + + /* disable any active CRTCs */ + list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (radeon_crtc->enabled) { + tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); + tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; + WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); + } + } +} + +void rs600_pm_finish(struct radeon_device *rdev) +{ + struct drm_device *ddev = rdev->ddev; + struct drm_crtc *crtc; + struct radeon_crtc *radeon_crtc; + u32 tmp; + + /* enable any active CRTCs */ + list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (radeon_crtc->enabled) { + tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); + tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; + WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); + } + } +} + +/* hpd for digital panel detect/disconnect */ +bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) +{ + u32 tmp; + bool connected = false; + + switch (hpd) { + case RADEON_HPD_1: + tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS); + if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp)) + connected = true; + break; + case RADEON_HPD_2: + tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS); + if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp)) + connected = true; + break; + default: + break; + } + return connected; +} + +void rs600_hpd_set_polarity(struct radeon_device *rdev, + enum radeon_hpd_id hpd) +{ + u32 tmp; + bool connected = rs600_hpd_sense(rdev, hpd); + + switch (hpd) { + case RADEON_HPD_1: + tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); + if (connected) + tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); + else + tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); + WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); + break; + case RADEON_HPD_2: + tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); + if (connected) + tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); + else + tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); + WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); + break; + default: + break; + } +} + +void rs600_hpd_init(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + struct drm_connector *connector; + unsigned enable = 0; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + switch (radeon_connector->hpd.hpd) { + case RADEON_HPD_1: + WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, + S_007D00_DC_HOT_PLUG_DETECT1_EN(1)); + break; + case RADEON_HPD_2: + WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, + S_007D10_DC_HOT_PLUG_DETECT2_EN(1)); + break; + default: + break; + } + enable |= 1 << radeon_connector->hpd.hpd; + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); + } + radeon_irq_kms_enable_hpd(rdev, enable); +} + +void rs600_hpd_fini(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + struct drm_connector *connector; + unsigned disable = 0; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + switch (radeon_connector->hpd.hpd) { + case RADEON_HPD_1: + WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, + S_007D00_DC_HOT_PLUG_DETECT1_EN(0)); + break; + case RADEON_HPD_2: + WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, + S_007D10_DC_HOT_PLUG_DETECT2_EN(0)); + break; + default: + break; + } + disable |= 1 << radeon_connector->hpd.hpd; + } + radeon_irq_kms_disable_hpd(rdev, disable); +} + +int rs600_asic_reset(struct radeon_device *rdev) +{ + struct rv515_mc_save save; + u32 status, tmp; + int ret = 0; + + status = RREG32(R_000E40_RBBM_STATUS); + if (!G_000E40_GUI_ACTIVE(status)) { + return 0; + } + /* Stops all mc clients */ + rv515_mc_stop(rdev, &save); + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* stop CP */ + WREG32(RADEON_CP_CSQ_CNTL, 0); + tmp = RREG32(RADEON_CP_RB_CNTL); + WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); + WREG32(RADEON_CP_RB_RPTR_WR, 0); + WREG32(RADEON_CP_RB_WPTR, 0); + WREG32(RADEON_CP_RB_CNTL, tmp); + pci_save_state(rdev->pdev); + /* disable bus mastering */ + pci_clear_master(rdev->pdev); + mdelay(1); + /* reset GA+VAP */ + WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | + S_0000F0_SOFT_RESET_GA(1)); + RREG32(R_0000F0_RBBM_SOFT_RESET); + mdelay(500); + WREG32(R_0000F0_RBBM_SOFT_RESET, 0); + mdelay(1); + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* reset CP */ + WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); + RREG32(R_0000F0_RBBM_SOFT_RESET); + mdelay(500); + WREG32(R_0000F0_RBBM_SOFT_RESET, 0); + mdelay(1); + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* reset MC */ + WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1)); + RREG32(R_0000F0_RBBM_SOFT_RESET); + mdelay(500); + WREG32(R_0000F0_RBBM_SOFT_RESET, 0); + mdelay(1); + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* restore PCI & busmastering */ + pci_restore_state(rdev->pdev); + /* Check if GPU is idle */ + if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) { + dev_err(rdev->dev, "failed to reset GPU\n"); + ret = -1; + } else + dev_info(rdev->dev, "GPU reset succeed\n"); + rv515_mc_resume(rdev, &save); + return ret; +} + +/* + * GART. + */ +void rs600_gart_tlb_flush(struct radeon_device *rdev) +{ + uint32_t tmp; + + tmp = RREG32_MC(R_000100_MC_PT0_CNTL); + tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; + WREG32_MC(R_000100_MC_PT0_CNTL, tmp); + + tmp = RREG32_MC(R_000100_MC_PT0_CNTL); + tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1); + WREG32_MC(R_000100_MC_PT0_CNTL, tmp); + + tmp = RREG32_MC(R_000100_MC_PT0_CNTL); + tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; + WREG32_MC(R_000100_MC_PT0_CNTL, tmp); + tmp = RREG32_MC(R_000100_MC_PT0_CNTL); +} + +static int rs600_gart_init(struct radeon_device *rdev) +{ + int r; + + if (rdev->gart.robj) { + WARN(1, "RS600 GART already initialized\n"); + return 0; + } + /* Initialize common gart structure */ + r = radeon_gart_init(rdev); + if (r) { + return r; + } + rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; + return radeon_gart_table_vram_alloc(rdev); +} + +static int rs600_gart_enable(struct radeon_device *rdev) +{ + u32 tmp; + int r, i; + + if (rdev->gart.robj == NULL) { + dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); + return -EINVAL; + } + r = radeon_gart_table_vram_pin(rdev); + if (r) + return r; + radeon_gart_restore(rdev); + /* Enable bus master */ + tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS; + WREG32(RADEON_BUS_CNTL, tmp); + /* FIXME: setup default page */ + WREG32_MC(R_000100_MC_PT0_CNTL, + (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) | + S_000100_EFFECTIVE_L2_QUEUE_SIZE(6))); + + for (i = 0; i < 19; i++) { + WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i, + S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) | + S_00016C_SYSTEM_ACCESS_MODE_MASK( + V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) | + S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS( + V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) | + S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) | + S_00016C_ENABLE_FRAGMENT_PROCESSING(1) | + S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3)); + } + /* enable first context */ + WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL, + S_000102_ENABLE_PAGE_TABLE(1) | + S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT)); + + /* disable all other contexts */ + for (i = 1; i < 8; i++) + WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0); + + /* setup the page table */ + WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR, + rdev->gart.table_addr); + WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start); + WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end); + WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0); + + /* System context maps to VRAM space */ + WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start); + WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end); + + /* enable page tables */ + tmp = RREG32_MC(R_000100_MC_PT0_CNTL); + WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1))); + tmp = RREG32_MC(R_000009_MC_CNTL1); + WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1))); + rs600_gart_tlb_flush(rdev); + DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", + (unsigned)(rdev->mc.gtt_size >> 20), + (unsigned long long)rdev->gart.table_addr); + rdev->gart.ready = true; + return 0; +} + +static void rs600_gart_disable(struct radeon_device *rdev) +{ + u32 tmp; + + /* FIXME: disable out of gart access */ + WREG32_MC(R_000100_MC_PT0_CNTL, 0); + tmp = RREG32_MC(R_000009_MC_CNTL1); + WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES); + radeon_gart_table_vram_unpin(rdev); +} + +static void rs600_gart_fini(struct radeon_device *rdev) +{ + radeon_gart_fini(rdev); + rs600_gart_disable(rdev); + radeon_gart_table_vram_free(rdev); +} + +#define R600_PTE_VALID (1 << 0) +#define R600_PTE_SYSTEM (1 << 1) +#define R600_PTE_SNOOPED (1 << 2) +#define R600_PTE_READABLE (1 << 5) +#define R600_PTE_WRITEABLE (1 << 6) + +int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) +{ + void __iomem *ptr = (void *)rdev->gart.ptr; + + if (i < 0 || i > rdev->gart.num_gpu_pages) { + return -EINVAL; + } + addr = addr & 0xFFFFFFFFFFFFF000ULL; + addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED; + addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE; + writeq(addr, ptr + (i * 8)); + return 0; +} + +int rs600_irq_set(struct radeon_device *rdev) +{ + uint32_t tmp = 0; + uint32_t mode_int = 0; + u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) & + ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); + u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) & + ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); + u32 hdmi0; + if (ASIC_IS_DCE2(rdev)) + hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & + ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); + else + hdmi0 = 0; + + if (!rdev->irq.installed) { + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); + WREG32(R_000040_GEN_INT_CNTL, 0); + return -EINVAL; + } + if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { + tmp |= S_000040_SW_INT_EN(1); + } + if (rdev->irq.crtc_vblank_int[0] || + atomic_read(&rdev->irq.pflip[0])) { + mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1); + } + if (rdev->irq.crtc_vblank_int[1] || + atomic_read(&rdev->irq.pflip[1])) { + mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1); + } + if (rdev->irq.hpd[0]) { + hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); + } + if (rdev->irq.hpd[1]) { + hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); + } + if (rdev->irq.afmt[0]) { + hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); + } + WREG32(R_000040_GEN_INT_CNTL, tmp); + WREG32(R_006540_DxMODE_INT_MASK, mode_int); + WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); + WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); + if (ASIC_IS_DCE2(rdev)) + WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); + return 0; +} + +static inline u32 rs600_irq_ack(struct radeon_device *rdev) +{ + uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS); + uint32_t irq_mask = S_000044_SW_INT(1); + u32 tmp; + + if (G_000044_DISPLAY_INT_STAT(irqs)) { + rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS); + if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + WREG32(R_006534_D1MODE_VBLANK_STATUS, + S_006534_D1MODE_VBLANK_ACK(1)); + } + if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + WREG32(R_006D34_D2MODE_VBLANK_STATUS, + S_006D34_D2MODE_VBLANK_ACK(1)); + } + if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); + tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1); + WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); + } + if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); + tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1); + WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); + } + } else { + rdev->irq.stat_regs.r500.disp_int = 0; + } + + if (ASIC_IS_DCE2(rdev)) { + rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) & + S_007404_HDMI0_AZ_FORMAT_WTRIG(1); + if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { + tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL); + tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1); + WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp); + } + } else + rdev->irq.stat_regs.r500.hdmi0_status = 0; + + if (irqs) { + WREG32(R_000044_GEN_INT_STATUS, irqs); + } + return irqs & irq_mask; +} + +void rs600_irq_disable(struct radeon_device *rdev) +{ + u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & + ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); + WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); + WREG32(R_000040_GEN_INT_CNTL, 0); + WREG32(R_006540_DxMODE_INT_MASK, 0); + /* Wait and acknowledge irq */ + mdelay(1); + rs600_irq_ack(rdev); +} + +int rs600_irq_process(struct radeon_device *rdev) +{ + u32 status, msi_rearm; + bool queue_hotplug = false; + bool queue_hdmi = false; + + status = rs600_irq_ack(rdev); + if (!status && + !rdev->irq.stat_regs.r500.disp_int && + !rdev->irq.stat_regs.r500.hdmi0_status) { + return IRQ_NONE; + } + while (status || + rdev->irq.stat_regs.r500.disp_int || + rdev->irq.stat_regs.r500.hdmi0_status) { + /* SW interrupt */ + if (G_000044_SW_INT(status)) { + radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); + } + /* Vertical blank interrupts */ + if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + if (rdev->irq.crtc_vblank_int[0]) { + drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); + } + if (atomic_read(&rdev->irq.pflip[0])) + radeon_crtc_handle_flip(rdev, 0); + } + if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + if (rdev->irq.crtc_vblank_int[1]) { + drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); + } + if (atomic_read(&rdev->irq.pflip[1])) + radeon_crtc_handle_flip(rdev, 1); + } + if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + queue_hotplug = true; + DRM_DEBUG("HPD1\n"); + } + if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { + queue_hotplug = true; + DRM_DEBUG("HPD2\n"); + } + if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { + queue_hdmi = true; + DRM_DEBUG("HDMI0\n"); + } + status = rs600_irq_ack(rdev); + } + if (queue_hotplug) + schedule_work(&rdev->hotplug_work); + if (queue_hdmi) + schedule_work(&rdev->audio_work); + if (rdev->msi_enabled) { + switch (rdev->family) { + case CHIP_RS600: + case CHIP_RS690: + case CHIP_RS740: + msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM; + WREG32(RADEON_BUS_CNTL, msi_rearm); + WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM); + break; + default: + WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN); + break; + } + } + return IRQ_HANDLED; +} + +u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc) +{ + if (crtc == 0) + return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT); + else + return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT); +} + +int rs600_mc_wait_for_idle(struct radeon_device *rdev) +{ + unsigned i; + + for (i = 0; i < rdev->usec_timeout; i++) { + if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS))) + return 0; + udelay(1); + } + return -1; +} + +static void rs600_gpu_init(struct radeon_device *rdev) +{ + r420_pipes_init(rdev); + /* Wait for mc idle */ + if (rs600_mc_wait_for_idle(rdev)) + dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); +} + +static void rs600_mc_init(struct radeon_device *rdev) +{ + u64 base; + + rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); + rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); + rdev->mc.vram_is_ddr = true; + rdev->mc.vram_width = 128; + rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); + rdev->mc.mc_vram_size = rdev->mc.real_vram_size; + rdev->mc.visible_vram_size = rdev->mc.aper_size; + rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); + base = RREG32_MC(R_000004_MC_FB_LOCATION); + base = G_000004_MC_FB_START(base) << 16; + radeon_vram_location(rdev, &rdev->mc, base); + rdev->mc.gtt_base_align = 0; + radeon_gtt_location(rdev, &rdev->mc); + radeon_update_bandwidth_info(rdev); +} + +void rs600_bandwidth_update(struct radeon_device *rdev) +{ + struct drm_display_mode *mode0 = NULL; + struct drm_display_mode *mode1 = NULL; + u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt; + /* FIXME: implement full support */ + + radeon_update_display_priority(rdev); + + if (rdev->mode_info.crtcs[0]->base.enabled) + mode0 = &rdev->mode_info.crtcs[0]->base.mode; + if (rdev->mode_info.crtcs[1]->base.enabled) + mode1 = &rdev->mode_info.crtcs[1]->base.mode; + + rs690_line_buffer_adjust(rdev, mode0, mode1); + + if (rdev->disp_priority == 2) { + d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT); + d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT); + d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1); + d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1); + WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt); + WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt); + WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt); + WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt); + } +} + +uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg) +{ + WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | + S_000070_MC_IND_CITF_ARB0(1)); + return RREG32(R_000074_MC_IND_DATA); +} + +void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) +{ + WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | + S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1)); + WREG32(R_000074_MC_IND_DATA, v); +} + +static void rs600_debugfs(struct radeon_device *rdev) +{ + if (r100_debugfs_rbbm_init(rdev)) + DRM_ERROR("Failed to register debugfs file for RBBM !\n"); +} + +void rs600_set_safe_registers(struct radeon_device *rdev) +{ + rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm; + rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm); +} + +static void rs600_mc_program(struct radeon_device *rdev) +{ + struct rv515_mc_save save; + + /* Stops all mc clients */ + rv515_mc_stop(rdev, &save); + + /* Wait for mc idle */ + if (rs600_mc_wait_for_idle(rdev)) + dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); + + /* FIXME: What does AGP means for such chipset ? */ + WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF); + WREG32_MC(R_000006_AGP_BASE, 0); + WREG32_MC(R_000007_AGP_BASE_2, 0); + /* Program MC */ + WREG32_MC(R_000004_MC_FB_LOCATION, + S_000004_MC_FB_START(rdev->mc.vram_start >> 16) | + S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16)); + WREG32(R_000134_HDP_FB_LOCATION, + S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); + + rv515_mc_resume(rdev, &save); +} + +static int rs600_startup(struct radeon_device *rdev) +{ + int r; + + rs600_mc_program(rdev); + /* Resume clock */ + rv515_clock_startup(rdev); + /* Initialize GPU configuration (# pipes, ...) */ + rs600_gpu_init(rdev); + /* Initialize GART (initialize after TTM so we can allocate + * memory through TTM but finalize after TTM) */ + r = rs600_gart_enable(rdev); + if (r) + return r; + + /* allocate wb buffer */ + r = radeon_wb_init(rdev); + if (r) + return r; + + r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); + if (r) { + dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); + return r; + } + + /* Enable IRQ */ + if (!rdev->irq.installed) { + r = radeon_irq_kms_init(rdev); + if (r) + return r; + } + + rs600_irq_set(rdev); + rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); + /* 1M ring buffer */ + r = r100_cp_init(rdev, 1024 * 1024); + if (r) { + dev_err(rdev->dev, "failed initializing CP (%d).\n", r); + return r; + } + + r = radeon_ib_pool_init(rdev); + if (r) { + dev_err(rdev->dev, "IB initialization failed (%d).\n", r); + return r; + } + + r = r600_audio_init(rdev); + if (r) { + dev_err(rdev->dev, "failed initializing audio\n"); + return r; + } + + return 0; +} + +int rs600_resume(struct radeon_device *rdev) +{ + int r; + + /* Make sur GART are not working */ + rs600_gart_disable(rdev); + /* Resume clock before doing reset */ + rv515_clock_startup(rdev); + /* Reset gpu before posting otherwise ATOM will enter infinite loop */ + if (radeon_asic_reset(rdev)) { + dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", + RREG32(R_000E40_RBBM_STATUS), + RREG32(R_0007C0_CP_STAT)); + } + /* post */ + atom_asic_init(rdev->mode_info.atom_context); + /* Resume clock after posting */ + rv515_clock_startup(rdev); + /* Initialize surface registers */ + radeon_surface_init(rdev); + + rdev->accel_working = true; + r = rs600_startup(rdev); + if (r) { + rdev->accel_working = false; + } + return r; +} + +int rs600_suspend(struct radeon_device *rdev) +{ + r600_audio_fini(rdev); + r100_cp_disable(rdev); + radeon_wb_disable(rdev); + rs600_irq_disable(rdev); + rs600_gart_disable(rdev); + return 0; +} + +void rs600_fini(struct radeon_device *rdev) +{ + r600_audio_fini(rdev); + r100_cp_fini(rdev); + radeon_wb_fini(rdev); + radeon_ib_pool_fini(rdev); + radeon_gem_fini(rdev); + rs600_gart_fini(rdev); + radeon_irq_kms_fini(rdev); + radeon_fence_driver_fini(rdev); + radeon_bo_fini(rdev); + radeon_atombios_fini(rdev); + kfree(rdev->bios); + rdev->bios = NULL; +} + +int rs600_init(struct radeon_device *rdev) +{ + int r; + + /* Disable VGA */ + rv515_vga_render_disable(rdev); + /* Initialize scratch registers */ + radeon_scratch_init(rdev); + /* Initialize surface registers */ + radeon_surface_init(rdev); + /* restore some register to sane defaults */ + r100_restore_sanity(rdev); + /* BIOS */ + if (!radeon_get_bios(rdev)) { + if (ASIC_IS_AVIVO(rdev)) + return -EINVAL; + } + if (rdev->is_atom_bios) { + r = radeon_atombios_init(rdev); + if (r) + return r; + } else { + dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n"); + return -EINVAL; + } + /* Reset gpu before posting otherwise ATOM will enter infinite loop */ + if (radeon_asic_reset(rdev)) { + dev_warn(rdev->dev, + "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", + RREG32(R_000E40_RBBM_STATUS), + RREG32(R_0007C0_CP_STAT)); + } + /* check if cards are posted or not */ + if (radeon_boot_test_post_card(rdev) == false) + return -EINVAL; + + /* Initialize clocks */ + radeon_get_clock_info(rdev->ddev); + /* initialize memory controller */ + rs600_mc_init(rdev); + rs600_debugfs(rdev); + /* Fence driver */ + r = radeon_fence_driver_init(rdev); + if (r) + return r; + /* Memory manager */ + r = radeon_bo_init(rdev); + if (r) + return r; + r = rs600_gart_init(rdev); + if (r) + return r; + rs600_set_safe_registers(rdev); + + rdev->accel_working = true; + r = rs600_startup(rdev); + if (r) { + /* Somethings want wront with the accel init stop accel */ + dev_err(rdev->dev, "Disabling GPU acceleration\n"); + r100_cp_fini(rdev); + radeon_wb_fini(rdev); + radeon_ib_pool_fini(rdev); + rs600_gart_fini(rdev); + radeon_irq_kms_fini(rdev); + rdev->accel_working = false; + } + return 0; +} |