| /* |
| * 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 |
| */ |
| #include <linux/seq_file.h> |
| #include <linux/firmware.h> |
| #include <linux/platform_device.h> |
| #include "drmP.h" |
| #include "radeon_drm.h" |
| #include "radeon.h" |
| #include "radeon_mode.h" |
| #include "r600d.h" |
| #include "atom.h" |
| #include "avivod.h" |
| |
| #define PFP_UCODE_SIZE 576 |
| #define PM4_UCODE_SIZE 1792 |
| #define RLC_UCODE_SIZE 768 |
| #define R700_PFP_UCODE_SIZE 848 |
| #define R700_PM4_UCODE_SIZE 1360 |
| #define R700_RLC_UCODE_SIZE 1024 |
| |
| /* Firmware Names */ |
| MODULE_FIRMWARE("radeon/R600_pfp.bin"); |
| MODULE_FIRMWARE("radeon/R600_me.bin"); |
| MODULE_FIRMWARE("radeon/RV610_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV610_me.bin"); |
| MODULE_FIRMWARE("radeon/RV630_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV630_me.bin"); |
| MODULE_FIRMWARE("radeon/RV620_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV620_me.bin"); |
| MODULE_FIRMWARE("radeon/RV635_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV635_me.bin"); |
| MODULE_FIRMWARE("radeon/RV670_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV670_me.bin"); |
| MODULE_FIRMWARE("radeon/RS780_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RS780_me.bin"); |
| MODULE_FIRMWARE("radeon/RV770_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV770_me.bin"); |
| MODULE_FIRMWARE("radeon/RV730_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV730_me.bin"); |
| MODULE_FIRMWARE("radeon/RV710_pfp.bin"); |
| MODULE_FIRMWARE("radeon/RV710_me.bin"); |
| MODULE_FIRMWARE("radeon/R600_rlc.bin"); |
| MODULE_FIRMWARE("radeon/R700_rlc.bin"); |
| |
| int r600_debugfs_mc_info_init(struct radeon_device *rdev); |
| |
| /* r600,rv610,rv630,rv620,rv635,rv670 */ |
| int r600_mc_wait_for_idle(struct radeon_device *rdev); |
| void r600_gpu_init(struct radeon_device *rdev); |
| void r600_fini(struct radeon_device *rdev); |
| |
| /* hpd for digital panel detect/disconnect */ |
| bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) |
| { |
| bool connected = false; |
| |
| if (ASIC_IS_DCE3(rdev)) { |
| switch (hpd) { |
| case RADEON_HPD_1: |
| if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) |
| connected = true; |
| break; |
| case RADEON_HPD_2: |
| if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) |
| connected = true; |
| break; |
| case RADEON_HPD_3: |
| if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) |
| connected = true; |
| break; |
| case RADEON_HPD_4: |
| if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) |
| connected = true; |
| break; |
| /* DCE 3.2 */ |
| case RADEON_HPD_5: |
| if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) |
| connected = true; |
| break; |
| case RADEON_HPD_6: |
| if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) |
| connected = true; |
| break; |
| default: |
| break; |
| } |
| } else { |
| switch (hpd) { |
| case RADEON_HPD_1: |
| if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) |
| connected = true; |
| break; |
| case RADEON_HPD_2: |
| if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) |
| connected = true; |
| break; |
| case RADEON_HPD_3: |
| if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) |
| connected = true; |
| break; |
| default: |
| break; |
| } |
| } |
| return connected; |
| } |
| |
| void r600_hpd_set_polarity(struct radeon_device *rdev, |
| enum radeon_hpd_id hpd) |
| { |
| u32 tmp; |
| bool connected = r600_hpd_sense(rdev, hpd); |
| |
| if (ASIC_IS_DCE3(rdev)) { |
| switch (hpd) { |
| case RADEON_HPD_1: |
| tmp = RREG32(DC_HPD1_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HPDx_INT_POLARITY; |
| else |
| tmp |= DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD1_INT_CONTROL, tmp); |
| break; |
| case RADEON_HPD_2: |
| tmp = RREG32(DC_HPD2_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HPDx_INT_POLARITY; |
| else |
| tmp |= DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD2_INT_CONTROL, tmp); |
| break; |
| case RADEON_HPD_3: |
| tmp = RREG32(DC_HPD3_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HPDx_INT_POLARITY; |
| else |
| tmp |= DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD3_INT_CONTROL, tmp); |
| break; |
| case RADEON_HPD_4: |
| tmp = RREG32(DC_HPD4_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HPDx_INT_POLARITY; |
| else |
| tmp |= DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD4_INT_CONTROL, tmp); |
| break; |
| case RADEON_HPD_5: |
| tmp = RREG32(DC_HPD5_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HPDx_INT_POLARITY; |
| else |
| tmp |= DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD5_INT_CONTROL, tmp); |
| break; |
| /* DCE 3.2 */ |
| case RADEON_HPD_6: |
| tmp = RREG32(DC_HPD6_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HPDx_INT_POLARITY; |
| else |
| tmp |= DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD6_INT_CONTROL, tmp); |
| break; |
| default: |
| break; |
| } |
| } else { |
| switch (hpd) { |
| case RADEON_HPD_1: |
| tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| else |
| tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); |
| break; |
| case RADEON_HPD_2: |
| tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| else |
| tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); |
| break; |
| case RADEON_HPD_3: |
| tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); |
| if (connected) |
| tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| else |
| tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| void r600_hpd_init(struct radeon_device *rdev) |
| { |
| struct drm_device *dev = rdev->ddev; |
| struct drm_connector *connector; |
| |
| if (ASIC_IS_DCE3(rdev)) { |
| u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); |
| if (ASIC_IS_DCE32(rdev)) |
| tmp |= DC_HPDx_EN; |
| |
| 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(DC_HPD1_CONTROL, tmp); |
| rdev->irq.hpd[0] = true; |
| break; |
| case RADEON_HPD_2: |
| WREG32(DC_HPD2_CONTROL, tmp); |
| rdev->irq.hpd[1] = true; |
| break; |
| case RADEON_HPD_3: |
| WREG32(DC_HPD3_CONTROL, tmp); |
| rdev->irq.hpd[2] = true; |
| break; |
| case RADEON_HPD_4: |
| WREG32(DC_HPD4_CONTROL, tmp); |
| rdev->irq.hpd[3] = true; |
| break; |
| /* DCE 3.2 */ |
| case RADEON_HPD_5: |
| WREG32(DC_HPD5_CONTROL, tmp); |
| rdev->irq.hpd[4] = true; |
| break; |
| case RADEON_HPD_6: |
| WREG32(DC_HPD6_CONTROL, tmp); |
| rdev->irq.hpd[5] = true; |
| break; |
| default: |
| break; |
| } |
| } |
| } else { |
| 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(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); |
| rdev->irq.hpd[0] = true; |
| break; |
| case RADEON_HPD_2: |
| WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); |
| rdev->irq.hpd[1] = true; |
| break; |
| case RADEON_HPD_3: |
| WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); |
| rdev->irq.hpd[2] = true; |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| if (rdev->irq.installed) |
| r600_irq_set(rdev); |
| } |
| |
| void r600_hpd_fini(struct radeon_device *rdev) |
| { |
| struct drm_device *dev = rdev->ddev; |
| struct drm_connector *connector; |
| |
| if (ASIC_IS_DCE3(rdev)) { |
| 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(DC_HPD1_CONTROL, 0); |
| rdev->irq.hpd[0] = false; |
| break; |
| case RADEON_HPD_2: |
| WREG32(DC_HPD2_CONTROL, 0); |
| rdev->irq.hpd[1] = false; |
| break; |
| case RADEON_HPD_3: |
| WREG32(DC_HPD3_CONTROL, 0); |
| rdev->irq.hpd[2] = false; |
| break; |
| case RADEON_HPD_4: |
| WREG32(DC_HPD4_CONTROL, 0); |
| rdev->irq.hpd[3] = false; |
| break; |
| /* DCE 3.2 */ |
| case RADEON_HPD_5: |
| WREG32(DC_HPD5_CONTROL, 0); |
| rdev->irq.hpd[4] = false; |
| break; |
| case RADEON_HPD_6: |
| WREG32(DC_HPD6_CONTROL, 0); |
| rdev->irq.hpd[5] = false; |
| break; |
| default: |
| break; |
| } |
| } |
| } else { |
| 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(DC_HOT_PLUG_DETECT1_CONTROL, 0); |
| rdev->irq.hpd[0] = false; |
| break; |
| case RADEON_HPD_2: |
| WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); |
| rdev->irq.hpd[1] = false; |
| break; |
| case RADEON_HPD_3: |
| WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); |
| rdev->irq.hpd[2] = false; |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |
| |
| /* |
| * R600 PCIE GART |
| */ |
| int r600_gart_clear_page(struct radeon_device *rdev, int i) |
| { |
| void __iomem *ptr = (void *)rdev->gart.table.vram.ptr; |
| u64 pte; |
| |
| if (i < 0 || i > rdev->gart.num_gpu_pages) |
| return -EINVAL; |
| pte = 0; |
| writeq(pte, ((void __iomem *)ptr) + (i * 8)); |
| return 0; |
| } |
| |
| void r600_pcie_gart_tlb_flush(struct radeon_device *rdev) |
| { |
| unsigned i; |
| u32 tmp; |
| |
| WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12); |
| WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12); |
| WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| /* read MC_STATUS */ |
| tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); |
| tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; |
| if (tmp == 2) { |
| printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); |
| return; |
| } |
| if (tmp) { |
| return; |
| } |
| udelay(1); |
| } |
| } |
| |
| int r600_pcie_gart_init(struct radeon_device *rdev) |
| { |
| int r; |
| |
| if (rdev->gart.table.vram.robj) { |
| WARN(1, "R600 PCIE 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); |
| } |
| |
| int r600_pcie_gart_enable(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| int r, i; |
| |
| if (rdev->gart.table.vram.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; |
| |
| /* Setup L2 cache */ |
| WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | |
| ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | |
| EFFECTIVE_L2_QUEUE_SIZE(7)); |
| WREG32(VM_L2_CNTL2, 0); |
| WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); |
| /* Setup TLB control */ |
| tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | |
| SYSTEM_ACCESS_MODE_NOT_IN_SYS | |
| EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | |
| ENABLE_WAIT_L2_QUERY; |
| WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); |
| WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); |
| WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); |
| WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); |
| WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); |
| WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); |
| WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | |
| RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); |
| WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, |
| (u32)(rdev->dummy_page.addr >> 12)); |
| for (i = 1; i < 7; i++) |
| WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); |
| |
| r600_pcie_gart_tlb_flush(rdev); |
| rdev->gart.ready = true; |
| return 0; |
| } |
| |
| void r600_pcie_gart_disable(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| int i, r; |
| |
| /* Disable all tables */ |
| for (i = 0; i < 7; i++) |
| WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); |
| |
| /* Disable L2 cache */ |
| WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | |
| EFFECTIVE_L2_QUEUE_SIZE(7)); |
| WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); |
| /* Setup L1 TLB control */ |
| tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | |
| ENABLE_WAIT_L2_QUERY; |
| WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); |
| if (rdev->gart.table.vram.robj) { |
| r = radeon_bo_reserve(rdev->gart.table.vram.robj, false); |
| if (likely(r == 0)) { |
| radeon_bo_kunmap(rdev->gart.table.vram.robj); |
| radeon_bo_unpin(rdev->gart.table.vram.robj); |
| radeon_bo_unreserve(rdev->gart.table.vram.robj); |
| } |
| } |
| } |
| |
| void r600_pcie_gart_fini(struct radeon_device *rdev) |
| { |
| r600_pcie_gart_disable(rdev); |
| radeon_gart_table_vram_free(rdev); |
| radeon_gart_fini(rdev); |
| } |
| |
| void r600_agp_enable(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| int i; |
| |
| /* Setup L2 cache */ |
| WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | |
| ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | |
| EFFECTIVE_L2_QUEUE_SIZE(7)); |
| WREG32(VM_L2_CNTL2, 0); |
| WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); |
| /* Setup TLB control */ |
| tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | |
| SYSTEM_ACCESS_MODE_NOT_IN_SYS | |
| EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | |
| ENABLE_WAIT_L2_QUERY; |
| WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); |
| WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); |
| WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); |
| WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); |
| for (i = 0; i < 7; i++) |
| WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); |
| } |
| |
| int r600_mc_wait_for_idle(struct radeon_device *rdev) |
| { |
| unsigned i; |
| u32 tmp; |
| |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| /* read MC_STATUS */ |
| tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00; |
| if (!tmp) |
| return 0; |
| udelay(1); |
| } |
| return -1; |
| } |
| |
| static void r600_mc_program(struct radeon_device *rdev) |
| { |
| struct rv515_mc_save save; |
| u32 tmp; |
| int i, j; |
| |
| /* Initialize HDP */ |
| for (i = 0, j = 0; i < 32; i++, j += 0x18) { |
| WREG32((0x2c14 + j), 0x00000000); |
| WREG32((0x2c18 + j), 0x00000000); |
| WREG32((0x2c1c + j), 0x00000000); |
| WREG32((0x2c20 + j), 0x00000000); |
| WREG32((0x2c24 + j), 0x00000000); |
| } |
| WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); |
| |
| rv515_mc_stop(rdev, &save); |
| if (r600_mc_wait_for_idle(rdev)) { |
| dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); |
| } |
| /* Lockout access through VGA aperture (doesn't exist before R600) */ |
| WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); |
| /* Update configuration */ |
| if (rdev->flags & RADEON_IS_AGP) { |
| if (rdev->mc.vram_start < rdev->mc.gtt_start) { |
| /* VRAM before AGP */ |
| WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, |
| rdev->mc.vram_start >> 12); |
| WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, |
| rdev->mc.gtt_end >> 12); |
| } else { |
| /* VRAM after AGP */ |
| WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, |
| rdev->mc.gtt_start >> 12); |
| WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, |
| rdev->mc.vram_end >> 12); |
| } |
| } else { |
| WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); |
| WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); |
| } |
| WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0); |
| tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; |
| tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); |
| WREG32(MC_VM_FB_LOCATION, tmp); |
| WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); |
| WREG32(HDP_NONSURFACE_INFO, (2 << 7)); |
| WREG32(HDP_NONSURFACE_SIZE, rdev->mc.mc_vram_size | 0x3FF); |
| if (rdev->flags & RADEON_IS_AGP) { |
| WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22); |
| WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22); |
| WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); |
| } else { |
| WREG32(MC_VM_AGP_BASE, 0); |
| WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); |
| WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); |
| } |
| if (r600_mc_wait_for_idle(rdev)) { |
| dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); |
| } |
| rv515_mc_resume(rdev, &save); |
| /* we need to own VRAM, so turn off the VGA renderer here |
| * to stop it overwriting our objects */ |
| rv515_vga_render_disable(rdev); |
| } |
| |
| int r600_mc_init(struct radeon_device *rdev) |
| { |
| fixed20_12 a; |
| u32 tmp; |
| int chansize, numchan; |
| |
| /* Get VRAM informations */ |
| rdev->mc.vram_is_ddr = true; |
| tmp = RREG32(RAMCFG); |
| if (tmp & CHANSIZE_OVERRIDE) { |
| chansize = 16; |
| } else if (tmp & CHANSIZE_MASK) { |
| chansize = 64; |
| } else { |
| chansize = 32; |
| } |
| tmp = RREG32(CHMAP); |
| switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { |
| case 0: |
| default: |
| numchan = 1; |
| break; |
| case 1: |
| numchan = 2; |
| break; |
| case 2: |
| numchan = 4; |
| break; |
| case 3: |
| numchan = 8; |
| break; |
| } |
| rdev->mc.vram_width = numchan * chansize; |
| /* Could aper size report 0 ? */ |
| rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); |
| rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); |
| /* Setup GPU memory space */ |
| rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); |
| rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); |
| |
| if (rdev->mc.mc_vram_size > rdev->mc.aper_size) |
| rdev->mc.mc_vram_size = rdev->mc.aper_size; |
| |
| if (rdev->mc.real_vram_size > rdev->mc.aper_size) |
| rdev->mc.real_vram_size = rdev->mc.aper_size; |
| |
| if (rdev->flags & RADEON_IS_AGP) { |
| /* gtt_size is setup by radeon_agp_init */ |
| rdev->mc.gtt_location = rdev->mc.agp_base; |
| tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size; |
| /* Try to put vram before or after AGP because we |
| * we want SYSTEM_APERTURE to cover both VRAM and |
| * AGP so that GPU can catch out of VRAM/AGP access |
| */ |
| if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) { |
| /* Enough place before */ |
| rdev->mc.vram_location = rdev->mc.gtt_location - |
| rdev->mc.mc_vram_size; |
| } else if (tmp > rdev->mc.mc_vram_size) { |
| /* Enough place after */ |
| rdev->mc.vram_location = rdev->mc.gtt_location + |
| rdev->mc.gtt_size; |
| } else { |
| /* Try to setup VRAM then AGP might not |
| * not work on some card |
| */ |
| rdev->mc.vram_location = 0x00000000UL; |
| rdev->mc.gtt_location = rdev->mc.mc_vram_size; |
| } |
| } else { |
| rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; |
| rdev->mc.vram_location = (RREG32(MC_VM_FB_LOCATION) & |
| 0xFFFF) << 24; |
| tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size; |
| if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) { |
| /* Enough place after vram */ |
| rdev->mc.gtt_location = tmp; |
| } else if (rdev->mc.vram_location >= rdev->mc.gtt_size) { |
| /* Enough place before vram */ |
| rdev->mc.gtt_location = 0; |
| } else { |
| /* Not enough place after or before shrink |
| * gart size |
| */ |
| if (rdev->mc.vram_location > (0xFFFFFFFFUL - tmp)) { |
| rdev->mc.gtt_location = 0; |
| rdev->mc.gtt_size = rdev->mc.vram_location; |
| } else { |
| rdev->mc.gtt_location = tmp; |
| rdev->mc.gtt_size = 0xFFFFFFFFUL - tmp; |
| } |
| } |
| rdev->mc.gtt_location = rdev->mc.mc_vram_size; |
| } |
| rdev->mc.vram_start = rdev->mc.vram_location; |
| rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1; |
| rdev->mc.gtt_start = rdev->mc.gtt_location; |
| rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; |
| /* FIXME: we should enforce default clock in case GPU is not in |
| * default setup |
| */ |
| a.full = rfixed_const(100); |
| rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk); |
| rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a); |
| |
| if (rdev->flags & RADEON_IS_IGP) |
| rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); |
| |
| return 0; |
| } |
| |
| /* We doesn't check that the GPU really needs a reset we simply do the |
| * reset, it's up to the caller to determine if the GPU needs one. We |
| * might add an helper function to check that. |
| */ |
| int r600_gpu_soft_reset(struct radeon_device *rdev) |
| { |
| struct rv515_mc_save save; |
| u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) | |
| S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) | |
| S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) | |
| S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) | |
| S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) | |
| S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) | |
| S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) | |
| S_008010_GUI_ACTIVE(1); |
| u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) | |
| S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) | |
| S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) | |
| S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) | |
| S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) | |
| S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) | |
| S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) | |
| S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1); |
| u32 srbm_reset = 0; |
| u32 tmp; |
| |
| dev_info(rdev->dev, "GPU softreset \n"); |
| dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", |
| RREG32(R_008010_GRBM_STATUS)); |
| dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", |
| RREG32(R_008014_GRBM_STATUS2)); |
| dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", |
| RREG32(R_000E50_SRBM_STATUS)); |
| rv515_mc_stop(rdev, &save); |
| if (r600_mc_wait_for_idle(rdev)) { |
| dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); |
| } |
| /* Disable CP parsing/prefetching */ |
| WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(0xff)); |
| /* Check if any of the rendering block is busy and reset it */ |
| if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) || |
| (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) { |
| tmp = S_008020_SOFT_RESET_CR(1) | |
| S_008020_SOFT_RESET_DB(1) | |
| S_008020_SOFT_RESET_CB(1) | |
| S_008020_SOFT_RESET_PA(1) | |
| S_008020_SOFT_RESET_SC(1) | |
| S_008020_SOFT_RESET_SMX(1) | |
| S_008020_SOFT_RESET_SPI(1) | |
| S_008020_SOFT_RESET_SX(1) | |
| S_008020_SOFT_RESET_SH(1) | |
| S_008020_SOFT_RESET_TC(1) | |
| S_008020_SOFT_RESET_TA(1) | |
| S_008020_SOFT_RESET_VC(1) | |
| S_008020_SOFT_RESET_VGT(1); |
| dev_info(rdev->dev, " R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); |
| WREG32(R_008020_GRBM_SOFT_RESET, tmp); |
| (void)RREG32(R_008020_GRBM_SOFT_RESET); |
| udelay(50); |
| WREG32(R_008020_GRBM_SOFT_RESET, 0); |
| (void)RREG32(R_008020_GRBM_SOFT_RESET); |
| } |
| /* Reset CP (we always reset CP) */ |
| tmp = S_008020_SOFT_RESET_CP(1); |
| dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); |
| WREG32(R_008020_GRBM_SOFT_RESET, tmp); |
| (void)RREG32(R_008020_GRBM_SOFT_RESET); |
| udelay(50); |
| WREG32(R_008020_GRBM_SOFT_RESET, 0); |
| (void)RREG32(R_008020_GRBM_SOFT_RESET); |
| /* Reset others GPU block if necessary */ |
| if (G_000E50_RLC_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_RLC(1); |
| if (G_000E50_GRBM_RQ_PENDING(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_GRBM(1); |
| if (G_000E50_HI_RQ_PENDING(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_IH(1); |
| if (G_000E50_VMC_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_VMC(1); |
| if (G_000E50_MCB_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_MC(1); |
| if (G_000E50_MCDZ_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_MC(1); |
| if (G_000E50_MCDY_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_MC(1); |
| if (G_000E50_MCDX_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_MC(1); |
| if (G_000E50_MCDW_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_MC(1); |
| if (G_000E50_RLC_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_RLC(1); |
| if (G_000E50_SEM_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_SEM(1); |
| if (G_000E50_BIF_BUSY(RREG32(R_000E50_SRBM_STATUS))) |
| srbm_reset |= S_000E60_SOFT_RESET_BIF(1); |
| dev_info(rdev->dev, " R_000E60_SRBM_SOFT_RESET=0x%08X\n", srbm_reset); |
| WREG32(R_000E60_SRBM_SOFT_RESET, srbm_reset); |
| (void)RREG32(R_000E60_SRBM_SOFT_RESET); |
| udelay(50); |
| WREG32(R_000E60_SRBM_SOFT_RESET, 0); |
| (void)RREG32(R_000E60_SRBM_SOFT_RESET); |
| WREG32(R_000E60_SRBM_SOFT_RESET, srbm_reset); |
| (void)RREG32(R_000E60_SRBM_SOFT_RESET); |
| udelay(50); |
| WREG32(R_000E60_SRBM_SOFT_RESET, 0); |
| (void)RREG32(R_000E60_SRBM_SOFT_RESET); |
| /* Wait a little for things to settle down */ |
| udelay(50); |
| dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", |
| RREG32(R_008010_GRBM_STATUS)); |
| dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", |
| RREG32(R_008014_GRBM_STATUS2)); |
| dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", |
| RREG32(R_000E50_SRBM_STATUS)); |
| /* After reset we need to reinit the asic as GPU often endup in an |
| * incoherent state. |
| */ |
| atom_asic_init(rdev->mode_info.atom_context); |
| rv515_mc_resume(rdev, &save); |
| return 0; |
| } |
| |
| int r600_gpu_reset(struct radeon_device *rdev) |
| { |
| return r600_gpu_soft_reset(rdev); |
| } |
| |
| static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes, |
| u32 num_backends, |
| u32 backend_disable_mask) |
| { |
| u32 backend_map = 0; |
| u32 enabled_backends_mask; |
| u32 enabled_backends_count; |
| u32 cur_pipe; |
| u32 swizzle_pipe[R6XX_MAX_PIPES]; |
| u32 cur_backend; |
| u32 i; |
| |
| if (num_tile_pipes > R6XX_MAX_PIPES) |
| num_tile_pipes = R6XX_MAX_PIPES; |
| if (num_tile_pipes < 1) |
| num_tile_pipes = 1; |
| if (num_backends > R6XX_MAX_BACKENDS) |
| num_backends = R6XX_MAX_BACKENDS; |
| if (num_backends < 1) |
| num_backends = 1; |
| |
| enabled_backends_mask = 0; |
| enabled_backends_count = 0; |
| for (i = 0; i < R6XX_MAX_BACKENDS; ++i) { |
| if (((backend_disable_mask >> i) & 1) == 0) { |
| enabled_backends_mask |= (1 << i); |
| ++enabled_backends_count; |
| } |
| if (enabled_backends_count == num_backends) |
| break; |
| } |
| |
| if (enabled_backends_count == 0) { |
| enabled_backends_mask = 1; |
| enabled_backends_count = 1; |
| } |
| |
| if (enabled_backends_count != num_backends) |
| num_backends = enabled_backends_count; |
| |
| memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES); |
| switch (num_tile_pipes) { |
| case 1: |
| swizzle_pipe[0] = 0; |
| break; |
| case 2: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| break; |
| case 3: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| swizzle_pipe[2] = 2; |
| break; |
| case 4: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| swizzle_pipe[2] = 2; |
| swizzle_pipe[3] = 3; |
| break; |
| case 5: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 1; |
| swizzle_pipe[2] = 2; |
| swizzle_pipe[3] = 3; |
| swizzle_pipe[4] = 4; |
| break; |
| case 6: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 2; |
| swizzle_pipe[2] = 4; |
| swizzle_pipe[3] = 5; |
| swizzle_pipe[4] = 1; |
| swizzle_pipe[5] = 3; |
| break; |
| case 7: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 2; |
| swizzle_pipe[2] = 4; |
| swizzle_pipe[3] = 6; |
| swizzle_pipe[4] = 1; |
| swizzle_pipe[5] = 3; |
| swizzle_pipe[6] = 5; |
| break; |
| case 8: |
| swizzle_pipe[0] = 0; |
| swizzle_pipe[1] = 2; |
| swizzle_pipe[2] = 4; |
| swizzle_pipe[3] = 6; |
| swizzle_pipe[4] = 1; |
| swizzle_pipe[5] = 3; |
| swizzle_pipe[6] = 5; |
| swizzle_pipe[7] = 7; |
| break; |
| } |
| |
| cur_backend = 0; |
| for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) { |
| while (((1 << cur_backend) & enabled_backends_mask) == 0) |
| cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS; |
| |
| backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2))); |
| |
| cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS; |
| } |
| |
| return backend_map; |
| } |
| |
| int r600_count_pipe_bits(uint32_t val) |
| { |
| int i, ret = 0; |
| |
| for (i = 0; i < 32; i++) { |
| ret += val & 1; |
| val >>= 1; |
| } |
| return ret; |
| } |
| |
| void r600_gpu_init(struct radeon_device *rdev) |
| { |
| u32 tiling_config; |
| u32 ramcfg; |
| u32 tmp; |
| int i, j; |
| u32 sq_config; |
| u32 sq_gpr_resource_mgmt_1 = 0; |
| u32 sq_gpr_resource_mgmt_2 = 0; |
| u32 sq_thread_resource_mgmt = 0; |
| u32 sq_stack_resource_mgmt_1 = 0; |
| u32 sq_stack_resource_mgmt_2 = 0; |
| |
| /* FIXME: implement */ |
| switch (rdev->family) { |
| case CHIP_R600: |
| rdev->config.r600.max_pipes = 4; |
| rdev->config.r600.max_tile_pipes = 8; |
| rdev->config.r600.max_simds = 4; |
| rdev->config.r600.max_backends = 4; |
| rdev->config.r600.max_gprs = 256; |
| rdev->config.r600.max_threads = 192; |
| rdev->config.r600.max_stack_entries = 256; |
| rdev->config.r600.max_hw_contexts = 8; |
| rdev->config.r600.max_gs_threads = 16; |
| rdev->config.r600.sx_max_export_size = 128; |
| rdev->config.r600.sx_max_export_pos_size = 16; |
| rdev->config.r600.sx_max_export_smx_size = 128; |
| rdev->config.r600.sq_num_cf_insts = 2; |
| break; |
| case CHIP_RV630: |
| case CHIP_RV635: |
| rdev->config.r600.max_pipes = 2; |
| rdev->config.r600.max_tile_pipes = 2; |
| rdev->config.r600.max_simds = 3; |
| rdev->config.r600.max_backends = 1; |
| rdev->config.r600.max_gprs = 128; |
| rdev->config.r600.max_threads = 192; |
| rdev->config.r600.max_stack_entries = 128; |
| rdev->config.r600.max_hw_contexts = 8; |
| rdev->config.r600.max_gs_threads = 4; |
| rdev->config.r600.sx_max_export_size = 128; |
| rdev->config.r600.sx_max_export_pos_size = 16; |
| rdev->config.r600.sx_max_export_smx_size = 128; |
| rdev->config.r600.sq_num_cf_insts = 2; |
| break; |
| case CHIP_RV610: |
| case CHIP_RV620: |
| case CHIP_RS780: |
| case CHIP_RS880: |
| rdev->config.r600.max_pipes = 1; |
| rdev->config.r600.max_tile_pipes = 1; |
| rdev->config.r600.max_simds = 2; |
| rdev->config.r600.max_backends = 1; |
| rdev->config.r600.max_gprs = 128; |
| rdev->config.r600.max_threads = 192; |
| rdev->config.r600.max_stack_entries = 128; |
| rdev->config.r600.max_hw_contexts = 4; |
| rdev->config.r600.max_gs_threads = 4; |
| rdev->config.r600.sx_max_export_size = 128; |
| rdev->config.r600.sx_max_export_pos_size = 16; |
| rdev->config.r600.sx_max_export_smx_size = 128; |
| rdev->config.r600.sq_num_cf_insts = 1; |
| break; |
| case CHIP_RV670: |
| rdev->config.r600.max_pipes = 4; |
| rdev->config.r600.max_tile_pipes = 4; |
| rdev->config.r600.max_simds = 4; |
| rdev->config.r600.max_backends = 4; |
| rdev->config.r600.max_gprs = 192; |
| rdev->config.r600.max_threads = 192; |
| rdev->config.r600.max_stack_entries = 256; |
| rdev->config.r600.max_hw_contexts = 8; |
| rdev->config.r600.max_gs_threads = 16; |
| rdev->config.r600.sx_max_export_size = 128; |
| rdev->config.r600.sx_max_export_pos_size = 16; |
| rdev->config.r600.sx_max_export_smx_size = 128; |
| rdev->config.r600.sq_num_cf_insts = 2; |
| break; |
| default: |
| break; |
| } |
| |
| /* Initialize HDP */ |
| for (i = 0, j = 0; i < 32; i++, j += 0x18) { |
| WREG32((0x2c14 + j), 0x00000000); |
| WREG32((0x2c18 + j), 0x00000000); |
| WREG32((0x2c1c + j), 0x00000000); |
| WREG32((0x2c20 + j), 0x00000000); |
| WREG32((0x2c24 + j), 0x00000000); |
| } |
| |
| WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); |
| |
| /* Setup tiling */ |
| tiling_config = 0; |
| ramcfg = RREG32(RAMCFG); |
| switch (rdev->config.r600.max_tile_pipes) { |
| case 1: |
| tiling_config |= PIPE_TILING(0); |
| break; |
| case 2: |
| tiling_config |= PIPE_TILING(1); |
| break; |
| case 4: |
| tiling_config |= PIPE_TILING(2); |
| break; |
| case 8: |
| tiling_config |= PIPE_TILING(3); |
| break; |
| default: |
| break; |
| } |
| tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); |
| tiling_config |= GROUP_SIZE(0); |
| tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; |
| if (tmp > 3) { |
| tiling_config |= ROW_TILING(3); |
| tiling_config |= SAMPLE_SPLIT(3); |
| } else { |
| tiling_config |= ROW_TILING(tmp); |
| tiling_config |= SAMPLE_SPLIT(tmp); |
| } |
| tiling_config |= BANK_SWAPS(1); |
| tmp = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes, |
| rdev->config.r600.max_backends, |
| (0xff << rdev->config.r600.max_backends) & 0xff); |
| tiling_config |= BACKEND_MAP(tmp); |
| WREG32(GB_TILING_CONFIG, tiling_config); |
| WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); |
| WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff); |
| |
| tmp = BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK); |
| WREG32(CC_RB_BACKEND_DISABLE, tmp); |
| |
| /* Setup pipes */ |
| tmp = INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK); |
| tmp |= INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK); |
| WREG32(CC_GC_SHADER_PIPE_CONFIG, tmp); |
| WREG32(GC_USER_SHADER_PIPE_CONFIG, tmp); |
| |
| tmp = R6XX_MAX_BACKENDS - r600_count_pipe_bits(tmp & INACTIVE_QD_PIPES_MASK); |
| WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK); |
| WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK); |
| |
| /* Setup some CP states */ |
| WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); |
| WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40))); |
| |
| WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | |
| SYNC_WALKER | SYNC_ALIGNER)); |
| /* Setup various GPU states */ |
| if (rdev->family == CHIP_RV670) |
| WREG32(ARB_GDEC_RD_CNTL, 0x00000021); |
| |
| tmp = RREG32(SX_DEBUG_1); |
| tmp |= SMX_EVENT_RELEASE; |
| if ((rdev->family > CHIP_R600)) |
| tmp |= ENABLE_NEW_SMX_ADDRESS; |
| WREG32(SX_DEBUG_1, tmp); |
| |
| if (((rdev->family) == CHIP_R600) || |
| ((rdev->family) == CHIP_RV630) || |
| ((rdev->family) == CHIP_RV610) || |
| ((rdev->family) == CHIP_RV620) || |
| ((rdev->family) == CHIP_RS780) || |
| ((rdev->family) == CHIP_RS880)) { |
| WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE); |
| } else { |
| WREG32(DB_DEBUG, 0); |
| } |
| WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) | |
| DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4))); |
| |
| WREG32(PA_SC_MULTI_CHIP_CNTL, 0); |
| WREG32(VGT_NUM_INSTANCES, 0); |
| |
| WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0)); |
| WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0)); |
| |
| tmp = RREG32(SQ_MS_FIFO_SIZES); |
| if (((rdev->family) == CHIP_RV610) || |
| ((rdev->family) == CHIP_RV620) || |
| ((rdev->family) == CHIP_RS780) || |
| ((rdev->family) == CHIP_RS880)) { |
| tmp = (CACHE_FIFO_SIZE(0xa) | |
| FETCH_FIFO_HIWATER(0xa) | |
| DONE_FIFO_HIWATER(0xe0) | |
| ALU_UPDATE_FIFO_HIWATER(0x8)); |
| } else if (((rdev->family) == CHIP_R600) || |
| ((rdev->family) == CHIP_RV630)) { |
| tmp &= ~DONE_FIFO_HIWATER(0xff); |
| tmp |= DONE_FIFO_HIWATER(0x4); |
| } |
| WREG32(SQ_MS_FIFO_SIZES, tmp); |
| |
| /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT |
| * should be adjusted as needed by the 2D/3D drivers. This just sets default values |
| */ |
| sq_config = RREG32(SQ_CONFIG); |
| sq_config &= ~(PS_PRIO(3) | |
| VS_PRIO(3) | |
| GS_PRIO(3) | |
| ES_PRIO(3)); |
| sq_config |= (DX9_CONSTS | |
| VC_ENABLE | |
| PS_PRIO(0) | |
| VS_PRIO(1) | |
| GS_PRIO(2) | |
| ES_PRIO(3)); |
| |
| if ((rdev->family) == CHIP_R600) { |
| sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) | |
| NUM_VS_GPRS(124) | |
| NUM_CLAUSE_TEMP_GPRS(4)); |
| sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) | |
| NUM_ES_GPRS(0)); |
| sq_thread_resource_mgmt = (NUM_PS_THREADS(136) | |
| NUM_VS_THREADS(48) | |
| NUM_GS_THREADS(4) | |
| NUM_ES_THREADS(4)); |
| sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) | |
| NUM_VS_STACK_ENTRIES(128)); |
| sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) | |
| NUM_ES_STACK_ENTRIES(0)); |
| } else if (((rdev->family) == CHIP_RV610) || |
| ((rdev->family) == CHIP_RV620) || |
| ((rdev->family) == CHIP_RS780) || |
| ((rdev->family) == CHIP_RS880)) { |
| /* no vertex cache */ |
| sq_config &= ~VC_ENABLE; |
| |
| sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | |
| NUM_VS_GPRS(44) | |
| NUM_CLAUSE_TEMP_GPRS(2)); |
| sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | |
| NUM_ES_GPRS(17)); |
| sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | |
| NUM_VS_THREADS(78) | |
| NUM_GS_THREADS(4) | |
| NUM_ES_THREADS(31)); |
| sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | |
| NUM_VS_STACK_ENTRIES(40)); |
| sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | |
| NUM_ES_STACK_ENTRIES(16)); |
| } else if (((rdev->family) == CHIP_RV630) || |
| ((rdev->family) == CHIP_RV635)) { |
| sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | |
| NUM_VS_GPRS(44) | |
| NUM_CLAUSE_TEMP_GPRS(2)); |
| sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) | |
| NUM_ES_GPRS(18)); |
| sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | |
| NUM_VS_THREADS(78) | |
| NUM_GS_THREADS(4) | |
| NUM_ES_THREADS(31)); |
| sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | |
| NUM_VS_STACK_ENTRIES(40)); |
| sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | |
| NUM_ES_STACK_ENTRIES(16)); |
| } else if ((rdev->family) == CHIP_RV670) { |
| sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | |
| NUM_VS_GPRS(44) | |
| NUM_CLAUSE_TEMP_GPRS(2)); |
| sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | |
| NUM_ES_GPRS(17)); |
| sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | |
| NUM_VS_THREADS(78) | |
| NUM_GS_THREADS(4) | |
| NUM_ES_THREADS(31)); |
| sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) | |
| NUM_VS_STACK_ENTRIES(64)); |
| sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) | |
| NUM_ES_STACK_ENTRIES(64)); |
| } |
| |
| WREG32(SQ_CONFIG, sq_config); |
| WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); |
| WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); |
| WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); |
| WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); |
| WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); |
| |
| if (((rdev->family) == CHIP_RV610) || |
| ((rdev->family) == CHIP_RV620) || |
| ((rdev->family) == CHIP_RS780) || |
| ((rdev->family) == CHIP_RS880)) { |
| WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY)); |
| } else { |
| WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC)); |
| } |
| |
| /* More default values. 2D/3D driver should adjust as needed */ |
| WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) | |
| S1_X(0x4) | S1_Y(0xc))); |
| WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) | |
| S1_X(0x2) | S1_Y(0x2) | |
| S2_X(0xa) | S2_Y(0x6) | |
| S3_X(0x6) | S3_Y(0xa))); |
| WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) | |
| S1_X(0x4) | S1_Y(0xc) | |
| S2_X(0x1) | S2_Y(0x6) | |
| S3_X(0xa) | S3_Y(0xe))); |
| WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) | |
| S5_X(0x0) | S5_Y(0x0) | |
| S6_X(0xb) | S6_Y(0x4) | |
| S7_X(0x7) | S7_Y(0x8))); |
| |
| WREG32(VGT_STRMOUT_EN, 0); |
| tmp = rdev->config.r600.max_pipes * 16; |
| switch (rdev->family) { |
| case CHIP_RV610: |
| case CHIP_RV620: |
| case CHIP_RS780: |
| case CHIP_RS880: |
| tmp += 32; |
| break; |
| case CHIP_RV670: |
| tmp += 128; |
| break; |
| default: |
| break; |
| } |
| if (tmp > 256) { |
| tmp = 256; |
| } |
| WREG32(VGT_ES_PER_GS, 128); |
| WREG32(VGT_GS_PER_ES, tmp); |
| WREG32(VGT_GS_PER_VS, 2); |
| WREG32(VGT_GS_VERTEX_REUSE, 16); |
| |
| /* more default values. 2D/3D driver should adjust as needed */ |
| WREG32(PA_SC_LINE_STIPPLE_STATE, 0); |
| WREG32(VGT_STRMOUT_EN, 0); |
| WREG32(SX_MISC, 0); |
| WREG32(PA_SC_MODE_CNTL, 0); |
| WREG32(PA_SC_AA_CONFIG, 0); |
| WREG32(PA_SC_LINE_STIPPLE, 0); |
| WREG32(SPI_INPUT_Z, 0); |
| WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2)); |
| WREG32(CB_COLOR7_FRAG, 0); |
| |
| /* Clear render buffer base addresses */ |
| WREG32(CB_COLOR0_BASE, 0); |
| WREG32(CB_COLOR1_BASE, 0); |
| WREG32(CB_COLOR2_BASE, 0); |
| WREG32(CB_COLOR3_BASE, 0); |
| WREG32(CB_COLOR4_BASE, 0); |
| WREG32(CB_COLOR5_BASE, 0); |
| WREG32(CB_COLOR6_BASE, 0); |
| WREG32(CB_COLOR7_BASE, 0); |
| WREG32(CB_COLOR7_FRAG, 0); |
| |
| switch (rdev->family) { |
| case CHIP_RV610: |
| case CHIP_RV620: |
| case CHIP_RS780: |
| case CHIP_RS880: |
| tmp = TC_L2_SIZE(8); |
| break; |
| case CHIP_RV630: |
| case CHIP_RV635: |
| tmp = TC_L2_SIZE(4); |
| break; |
| case CHIP_R600: |
| tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT; |
| break; |
| default: |
| tmp = TC_L2_SIZE(0); |
| break; |
| } |
| WREG32(TC_CNTL, tmp); |
| |
| tmp = RREG32(HDP_HOST_PATH_CNTL); |
| WREG32(HDP_HOST_PATH_CNTL, tmp); |
| |
| tmp = RREG32(ARB_POP); |
| tmp |= ENABLE_TC128; |
| WREG32(ARB_POP, tmp); |
| |
| WREG32(PA_SC_MULTI_CHIP_CNTL, 0); |
| WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA | |
| NUM_CLIP_SEQ(3))); |
| WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095)); |
| } |
| |
| |
| /* |
| * Indirect registers accessor |
| */ |
| u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg) |
| { |
| u32 r; |
| |
| WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); |
| (void)RREG32(PCIE_PORT_INDEX); |
| r = RREG32(PCIE_PORT_DATA); |
| return r; |
| } |
| |
| void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) |
| { |
| WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); |
| (void)RREG32(PCIE_PORT_INDEX); |
| WREG32(PCIE_PORT_DATA, (v)); |
| (void)RREG32(PCIE_PORT_DATA); |
| } |
| |
| /* |
| * CP & Ring |
| */ |
| void r600_cp_stop(struct radeon_device *rdev) |
| { |
| WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); |
| } |
| |
| int r600_init_microcode(struct radeon_device *rdev) |
| { |
| struct platform_device *pdev; |
| const char *chip_name; |
| const char *rlc_chip_name; |
| size_t pfp_req_size, me_req_size, rlc_req_size; |
| char fw_name[30]; |
| int err; |
| |
| DRM_DEBUG("\n"); |
| |
| pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0); |
| err = IS_ERR(pdev); |
| if (err) { |
| printk(KERN_ERR "radeon_cp: Failed to register firmware\n"); |
| return -EINVAL; |
| } |
| |
| switch (rdev->family) { |
| case CHIP_R600: |
| chip_name = "R600"; |
| rlc_chip_name = "R600"; |
| break; |
| case CHIP_RV610: |
| chip_name = "RV610"; |
| rlc_chip_name = "R600"; |
| break; |
| case CHIP_RV630: |
| chip_name = "RV630"; |
| rlc_chip_name = "R600"; |
| break; |
| case CHIP_RV620: |
| chip_name = "RV620"; |
| rlc_chip_name = "R600"; |
| break; |
| case CHIP_RV635: |
| chip_name = "RV635"; |
| rlc_chip_name = "R600"; |
| break; |
| case CHIP_RV670: |
| chip_name = "RV670"; |
| rlc_chip_name = "R600"; |
| break; |
| case CHIP_RS780: |
| case CHIP_RS880: |
| chip_name = "RS780"; |
| rlc_chip_name = "R600"; |
| break; |
| case CHIP_RV770: |
| chip_name = "RV770"; |
| rlc_chip_name = "R700"; |
| break; |
| case CHIP_RV730: |
| case CHIP_RV740: |
| chip_name = "RV730"; |
| rlc_chip_name = "R700"; |
| break; |
| case CHIP_RV710: |
| chip_name = "RV710"; |
| rlc_chip_name = "R700"; |
| break; |
| default: BUG(); |
| } |
| |
| if (rdev->family >= CHIP_RV770) { |
| pfp_req_size = R700_PFP_UCODE_SIZE * 4; |
| me_req_size = R700_PM4_UCODE_SIZE * 4; |
| rlc_req_size = R700_RLC_UCODE_SIZE * 4; |
| } else { |
| pfp_req_size = PFP_UCODE_SIZE * 4; |
| me_req_size = PM4_UCODE_SIZE * 12; |
| rlc_req_size = RLC_UCODE_SIZE * 4; |
| } |
| |
| DRM_INFO("Loading %s Microcode\n", chip_name); |
| |
| snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); |
| err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev); |
| if (err) |
| goto out; |
| if (rdev->pfp_fw->size != pfp_req_size) { |
| printk(KERN_ERR |
| "r600_cp: Bogus length %zu in firmware \"%s\"\n", |
| rdev->pfp_fw->size, fw_name); |
| err = -EINVAL; |
| goto out; |
| } |
| |
| snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); |
| err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev); |
| if (err) |
| goto out; |
| if (rdev->me_fw->size != me_req_size) { |
| printk(KERN_ERR |
| "r600_cp: Bogus length %zu in firmware \"%s\"\n", |
| rdev->me_fw->size, fw_name); |
| err = -EINVAL; |
| } |
| |
| snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); |
| err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev); |
| if (err) |
| goto out; |
| if (rdev->rlc_fw->size != rlc_req_size) { |
| printk(KERN_ERR |
| "r600_rlc: Bogus length %zu in firmware \"%s\"\n", |
| rdev->rlc_fw->size, fw_name); |
| err = -EINVAL; |
| } |
| |
| out: |
| platform_device_unregister(pdev); |
| |
| if (err) { |
| if (err != -EINVAL) |
| printk(KERN_ERR |
| "r600_cp: Failed to load firmware \"%s\"\n", |
| fw_name); |
| release_firmware(rdev->pfp_fw); |
| rdev->pfp_fw = NULL; |
| release_firmware(rdev->me_fw); |
| rdev->me_fw = NULL; |
| release_firmware(rdev->rlc_fw); |
| rdev->rlc_fw = NULL; |
| } |
| return err; |
| } |
| |
| static int r600_cp_load_microcode(struct radeon_device *rdev) |
| { |
| const __be32 *fw_data; |
| int i; |
| |
| if (!rdev->me_fw || !rdev->pfp_fw) |
| return -EINVAL; |
| |
| r600_cp_stop(rdev); |
| |
| WREG32(CP_RB_CNTL, RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); |
| |
| /* Reset cp */ |
| WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); |
| RREG32(GRBM_SOFT_RESET); |
| mdelay(15); |
| WREG32(GRBM_SOFT_RESET, 0); |
| |
| WREG32(CP_ME_RAM_WADDR, 0); |
| |
| fw_data = (const __be32 *)rdev->me_fw->data; |
| WREG32(CP_ME_RAM_WADDR, 0); |
| for (i = 0; i < PM4_UCODE_SIZE * 3; i++) |
| WREG32(CP_ME_RAM_DATA, |
| be32_to_cpup(fw_data++)); |
| |
| fw_data = (const __be32 *)rdev->pfp_fw->data; |
| WREG32(CP_PFP_UCODE_ADDR, 0); |
| for (i = 0; i < PFP_UCODE_SIZE; i++) |
| WREG32(CP_PFP_UCODE_DATA, |
| be32_to_cpup(fw_data++)); |
| |
| WREG32(CP_PFP_UCODE_ADDR, 0); |
| WREG32(CP_ME_RAM_WADDR, 0); |
| WREG32(CP_ME_RAM_RADDR, 0); |
| return 0; |
| } |
| |
| int r600_cp_start(struct radeon_device *rdev) |
| { |
| int r; |
| uint32_t cp_me; |
| |
| r = radeon_ring_lock(rdev, 7); |
| if (r) { |
| DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); |
| return r; |
| } |
| radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5)); |
| radeon_ring_write(rdev, 0x1); |
| if (rdev->family < CHIP_RV770) { |
| radeon_ring_write(rdev, 0x3); |
| radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1); |
| } else { |
| radeon_ring_write(rdev, 0x0); |
| radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1); |
| } |
| radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_unlock_commit(rdev); |
| |
| cp_me = 0xff; |
| WREG32(R_0086D8_CP_ME_CNTL, cp_me); |
| return 0; |
| } |
| |
| int r600_cp_resume(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| u32 rb_bufsz; |
| int r; |
| |
| /* Reset cp */ |
| WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); |
| RREG32(GRBM_SOFT_RESET); |
| mdelay(15); |
| WREG32(GRBM_SOFT_RESET, 0); |
| |
| /* Set ring buffer size */ |
| rb_bufsz = drm_order(rdev->cp.ring_size / 8); |
| tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; |
| #ifdef __BIG_ENDIAN |
| tmp |= BUF_SWAP_32BIT; |
| #endif |
| WREG32(CP_RB_CNTL, tmp); |
| WREG32(CP_SEM_WAIT_TIMER, 0x4); |
| |
| /* Set the write pointer delay */ |
| WREG32(CP_RB_WPTR_DELAY, 0); |
| |
| /* Initialize the ring buffer's read and write pointers */ |
| WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); |
| WREG32(CP_RB_RPTR_WR, 0); |
| WREG32(CP_RB_WPTR, 0); |
| WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF); |
| WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr)); |
| mdelay(1); |
| WREG32(CP_RB_CNTL, tmp); |
| |
| WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8); |
| WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); |
| |
| rdev->cp.rptr = RREG32(CP_RB_RPTR); |
| rdev->cp.wptr = RREG32(CP_RB_WPTR); |
| |
| r600_cp_start(rdev); |
| rdev->cp.ready = true; |
| r = radeon_ring_test(rdev); |
| if (r) { |
| rdev->cp.ready = false; |
| return r; |
| } |
| return 0; |
| } |
| |
| void r600_cp_commit(struct radeon_device *rdev) |
| { |
| WREG32(CP_RB_WPTR, rdev->cp.wptr); |
| (void)RREG32(CP_RB_WPTR); |
| } |
| |
| void r600_ring_init(struct radeon_device *rdev, unsigned ring_size) |
| { |
| u32 rb_bufsz; |
| |
| /* Align ring size */ |
| rb_bufsz = drm_order(ring_size / 8); |
| ring_size = (1 << (rb_bufsz + 1)) * 4; |
| rdev->cp.ring_size = ring_size; |
| rdev->cp.align_mask = 16 - 1; |
| } |
| |
| |
| /* |
| * GPU scratch registers helpers function. |
| */ |
| void r600_scratch_init(struct radeon_device *rdev) |
| { |
| int i; |
| |
| rdev->scratch.num_reg = 7; |
| for (i = 0; i < rdev->scratch.num_reg; i++) { |
| rdev->scratch.free[i] = true; |
| rdev->scratch.reg[i] = SCRATCH_REG0 + (i * 4); |
| } |
| } |
| |
| int r600_ring_test(struct radeon_device *rdev) |
| { |
| uint32_t scratch; |
| uint32_t tmp = 0; |
| unsigned i; |
| int r; |
| |
| r = radeon_scratch_get(rdev, &scratch); |
| if (r) { |
| DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); |
| return r; |
| } |
| WREG32(scratch, 0xCAFEDEAD); |
| r = radeon_ring_lock(rdev, 3); |
| if (r) { |
| DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); |
| radeon_scratch_free(rdev, scratch); |
| return r; |
| } |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); |
| radeon_ring_write(rdev, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); |
| radeon_ring_write(rdev, 0xDEADBEEF); |
| radeon_ring_unlock_commit(rdev); |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = RREG32(scratch); |
| if (tmp == 0xDEADBEEF) |
| break; |
| DRM_UDELAY(1); |
| } |
| if (i < rdev->usec_timeout) { |
| DRM_INFO("ring test succeeded in %d usecs\n", i); |
| } else { |
| DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n", |
| scratch, tmp); |
| r = -EINVAL; |
| } |
| radeon_scratch_free(rdev, scratch); |
| return r; |
| } |
| |
| void r600_wb_disable(struct radeon_device *rdev) |
| { |
| int r; |
| |
| WREG32(SCRATCH_UMSK, 0); |
| if (rdev->wb.wb_obj) { |
| r = radeon_bo_reserve(rdev->wb.wb_obj, false); |
| if (unlikely(r != 0)) |
| return; |
| radeon_bo_kunmap(rdev->wb.wb_obj); |
| radeon_bo_unpin(rdev->wb.wb_obj); |
| radeon_bo_unreserve(rdev->wb.wb_obj); |
| } |
| } |
| |
| void r600_wb_fini(struct radeon_device *rdev) |
| { |
| r600_wb_disable(rdev); |
| if (rdev->wb.wb_obj) { |
| radeon_bo_unref(&rdev->wb.wb_obj); |
| rdev->wb.wb = NULL; |
| rdev->wb.wb_obj = NULL; |
| } |
| } |
| |
| int r600_wb_enable(struct radeon_device *rdev) |
| { |
| int r; |
| |
| if (rdev->wb.wb_obj == NULL) { |
| r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true, |
| RADEON_GEM_DOMAIN_GTT, &rdev->wb.wb_obj); |
| if (r) { |
| dev_warn(rdev->dev, "(%d) create WB bo failed\n", r); |
| return r; |
| } |
| r = radeon_bo_reserve(rdev->wb.wb_obj, false); |
| if (unlikely(r != 0)) { |
| r600_wb_fini(rdev); |
| return r; |
| } |
| r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT, |
| &rdev->wb.gpu_addr); |
| if (r) { |
| radeon_bo_unreserve(rdev->wb.wb_obj); |
| dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r); |
| r600_wb_fini(rdev); |
| return r; |
| } |
| r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb); |
| radeon_bo_unreserve(rdev->wb.wb_obj); |
| if (r) { |
| dev_warn(rdev->dev, "(%d) map WB bo failed\n", r); |
| r600_wb_fini(rdev); |
| return r; |
| } |
| } |
| WREG32(SCRATCH_ADDR, (rdev->wb.gpu_addr >> 8) & 0xFFFFFFFF); |
| WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + 1024) & 0xFFFFFFFC); |
| WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + 1024) & 0xFF); |
| WREG32(SCRATCH_UMSK, 0xff); |
| return 0; |
| } |
| |
| void r600_fence_ring_emit(struct radeon_device *rdev, |
| struct radeon_fence *fence) |
| { |
| /* Also consider EVENT_WRITE_EOP. it handles the interrupts + timestamps + events */ |
| /* Emit fence sequence & fire IRQ */ |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); |
| radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); |
| radeon_ring_write(rdev, fence->seq); |
| radeon_ring_write(rdev, PACKET0(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0)); |
| radeon_ring_write(rdev, 1); |
| /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ |
| radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0)); |
| radeon_ring_write(rdev, RB_INT_STAT); |
| } |
| |
| int r600_copy_blit(struct radeon_device *rdev, |
| uint64_t src_offset, uint64_t dst_offset, |
| unsigned num_pages, struct radeon_fence *fence) |
| { |
| int r; |
| |
| mutex_lock(&rdev->r600_blit.mutex); |
| rdev->r600_blit.vb_ib = NULL; |
| r = r600_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE); |
| if (r) { |
| if (rdev->r600_blit.vb_ib) |
| radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); |
| mutex_unlock(&rdev->r600_blit.mutex); |
| return r; |
| } |
| r600_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE); |
| r600_blit_done_copy(rdev, fence); |
| mutex_unlock(&rdev->r600_blit.mutex); |
| return 0; |
| } |
| |
| int r600_set_surface_reg(struct radeon_device *rdev, int reg, |
| uint32_t tiling_flags, uint32_t pitch, |
| uint32_t offset, uint32_t obj_size) |
| { |
| /* FIXME: implement */ |
| return 0; |
| } |
| |
| void r600_clear_surface_reg(struct radeon_device *rdev, int reg) |
| { |
| /* FIXME: implement */ |
| } |
| |
| |
| bool r600_card_posted(struct radeon_device *rdev) |
| { |
| uint32_t reg; |
| |
| /* first check CRTCs */ |
| reg = RREG32(D1CRTC_CONTROL) | |
| RREG32(D2CRTC_CONTROL); |
| if (reg & CRTC_EN) |
| return true; |
| |
| /* then check MEM_SIZE, in case the crtcs are off */ |
| if (RREG32(CONFIG_MEMSIZE)) |
| return true; |
| |
| return false; |
| } |
| |
| int r600_startup(struct radeon_device *rdev) |
| { |
| int r; |
| |
| if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { |
| r = r600_init_microcode(rdev); |
| if (r) { |
| DRM_ERROR("Failed to load firmware!\n"); |
| return r; |
| } |
| } |
| |
| r600_mc_program(rdev); |
| if (rdev->flags & RADEON_IS_AGP) { |
| r600_agp_enable(rdev); |
| } else { |
| r = r600_pcie_gart_enable(rdev); |
| if (r) |
| return r; |
| } |
| r600_gpu_init(rdev); |
| /* pin copy shader into vram */ |
| if (rdev->r600_blit.shader_obj) { |
| r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); |
| if (unlikely(r != 0)) |
| return r; |
| r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM, |
| &rdev->r600_blit.shader_gpu_addr); |
| radeon_bo_unreserve(rdev->r600_blit.shader_obj); |
| if (r) { |
| dev_err(rdev->dev, "(%d) pin blit object failed\n", r); |
| return r; |
| } |
| } |
| /* Enable IRQ */ |
| r = r600_irq_init(rdev); |
| if (r) { |
| DRM_ERROR("radeon: IH init failed (%d).\n", r); |
| radeon_irq_kms_fini(rdev); |
| return r; |
| } |
| r600_irq_set(rdev); |
| |
| r = radeon_ring_init(rdev, rdev->cp.ring_size); |
| if (r) |
| return r; |
| r = r600_cp_load_microcode(rdev); |
| if (r) |
| return r; |
| r = r600_cp_resume(rdev); |
| if (r) |
| return r; |
| /* write back buffer are not vital so don't worry about failure */ |
| r600_wb_enable(rdev); |
| return 0; |
| } |
| |
| void r600_vga_set_state(struct radeon_device *rdev, bool state) |
| { |
| uint32_t temp; |
| |
| temp = RREG32(CONFIG_CNTL); |
| if (state == false) { |
| temp &= ~(1<<0); |
| temp |= (1<<1); |
| } else { |
| temp &= ~(1<<1); |
| } |
| WREG32(CONFIG_CNTL, temp); |
| } |
| |
| int r600_resume(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* Do not reset GPU before posting, on r600 hw unlike on r500 hw, |
| * posting will perform necessary task to bring back GPU into good |
| * shape. |
| */ |
| /* post card */ |
| atom_asic_init(rdev->mode_info.atom_context); |
| /* Initialize clocks */ |
| r = radeon_clocks_init(rdev); |
| if (r) { |
| return r; |
| } |
| |
| r = r600_startup(rdev); |
| if (r) { |
| DRM_ERROR("r600 startup failed on resume\n"); |
| return r; |
| } |
| |
| r = r600_ib_test(rdev); |
| if (r) { |
| DRM_ERROR("radeon: failled testing IB (%d).\n", r); |
| return r; |
| } |
| return r; |
| } |
| |
| int r600_suspend(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* FIXME: we should wait for ring to be empty */ |
| r600_cp_stop(rdev); |
| rdev->cp.ready = false; |
| r600_irq_suspend(rdev); |
| r600_wb_disable(rdev); |
| r600_pcie_gart_disable(rdev); |
| /* unpin shaders bo */ |
| if (rdev->r600_blit.shader_obj) { |
| r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); |
| if (!r) { |
| radeon_bo_unpin(rdev->r600_blit.shader_obj); |
| radeon_bo_unreserve(rdev->r600_blit.shader_obj); |
| } |
| } |
| return 0; |
| } |
| |
| /* Plan is to move initialization in that function and use |
| * helper function so that radeon_device_init pretty much |
| * do nothing more than calling asic specific function. This |
| * should also allow to remove a bunch of callback function |
| * like vram_info. |
| */ |
| int r600_init(struct radeon_device *rdev) |
| { |
| int r; |
| |
| r = radeon_dummy_page_init(rdev); |
| if (r) |
| return r; |
| if (r600_debugfs_mc_info_init(rdev)) { |
| DRM_ERROR("Failed to register debugfs file for mc !\n"); |
| } |
| /* This don't do much */ |
| r = radeon_gem_init(rdev); |
| if (r) |
| return r; |
| /* Read BIOS */ |
| if (!radeon_get_bios(rdev)) { |
| if (ASIC_IS_AVIVO(rdev)) |
| return -EINVAL; |
| } |
| /* Must be an ATOMBIOS */ |
| if (!rdev->is_atom_bios) { |
| dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); |
| return -EINVAL; |
| } |
| r = radeon_atombios_init(rdev); |
| if (r) |
| return r; |
| /* Post card if necessary */ |
| if (!r600_card_posted(rdev)) { |
| if (!rdev->bios) { |
| dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); |
| return -EINVAL; |
| } |
| DRM_INFO("GPU not posted. posting now...\n"); |
| atom_asic_init(rdev->mode_info.atom_context); |
| } |
| /* Initialize scratch registers */ |
| r600_scratch_init(rdev); |
| /* Initialize surface registers */ |
| radeon_surface_init(rdev); |
| /* Initialize clocks */ |
| radeon_get_clock_info(rdev->ddev); |
| r = radeon_clocks_init(rdev); |
| if (r) |
| return r; |
| /* Initialize power management */ |
| radeon_pm_init(rdev); |
| /* Fence driver */ |
| r = radeon_fence_driver_init(rdev); |
| if (r) |
| return r; |
| if (rdev->flags & RADEON_IS_AGP) { |
| r = radeon_agp_init(rdev); |
| if (r) |
| radeon_agp_disable(rdev); |
| } |
| r = r600_mc_init(rdev); |
| if (r) |
| return r; |
| /* Memory manager */ |
| r = radeon_bo_init(rdev); |
| if (r) |
| return r; |
| |
| r = radeon_irq_kms_init(rdev); |
| if (r) |
| return r; |
| |
| rdev->cp.ring_obj = NULL; |
| r600_ring_init(rdev, 1024 * 1024); |
| |
| rdev->ih.ring_obj = NULL; |
| r600_ih_ring_init(rdev, 64 * 1024); |
| |
| r = r600_pcie_gart_init(rdev); |
| if (r) |
| return r; |
| r = r600_blit_init(rdev); |
| if (r) { |
| r600_blit_fini(rdev); |
| rdev->asic->copy = NULL; |
| dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); |
| } |
| |
| rdev->accel_working = true; |
| r = r600_startup(rdev); |
| if (r) { |
| r600_suspend(rdev); |
| r600_wb_fini(rdev); |
| radeon_ring_fini(rdev); |
| r600_pcie_gart_fini(rdev); |
| rdev->accel_working = false; |
| } |
| if (rdev->accel_working) { |
| r = radeon_ib_pool_init(rdev); |
| if (r) { |
| dev_err(rdev->dev, "IB initialization failed (%d).\n", r); |
| rdev->accel_working = false; |
| } else { |
| r = r600_ib_test(rdev); |
| if (r) { |
| dev_err(rdev->dev, "IB test failed (%d).\n", r); |
| rdev->accel_working = false; |
| } |
| } |
| } |
| |
| r = r600_audio_init(rdev); |
| if (r) |
| return r; /* TODO error handling */ |
| return 0; |
| } |
| |
| void r600_fini(struct radeon_device *rdev) |
| { |
| /* Suspend operations */ |
| r600_suspend(rdev); |
| |
| r600_audio_fini(rdev); |
| r600_blit_fini(rdev); |
| r600_irq_fini(rdev); |
| radeon_irq_kms_fini(rdev); |
| radeon_ring_fini(rdev); |
| r600_wb_fini(rdev); |
| r600_pcie_gart_fini(rdev); |
| radeon_gem_fini(rdev); |
| radeon_fence_driver_fini(rdev); |
| radeon_clocks_fini(rdev); |
| radeon_agp_fini(rdev); |
| radeon_bo_fini(rdev); |
| radeon_atombios_fini(rdev); |
| kfree(rdev->bios); |
| rdev->bios = NULL; |
| radeon_dummy_page_fini(rdev); |
| } |
| |
| |
| /* |
| * CS stuff |
| */ |
| void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) |
| { |
| /* FIXME: implement */ |
| radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); |
| radeon_ring_write(rdev, ib->gpu_addr & 0xFFFFFFFC); |
| radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF); |
| radeon_ring_write(rdev, ib->length_dw); |
| } |
| |
| int r600_ib_test(struct radeon_device *rdev) |
| { |
| struct radeon_ib *ib; |
| uint32_t scratch; |
| uint32_t tmp = 0; |
| unsigned i; |
| int r; |
| |
| r = radeon_scratch_get(rdev, &scratch); |
| if (r) { |
| DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); |
| return r; |
| } |
| WREG32(scratch, 0xCAFEDEAD); |
| r = radeon_ib_get(rdev, &ib); |
| if (r) { |
| DRM_ERROR("radeon: failed to get ib (%d).\n", r); |
| return r; |
| } |
| ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1); |
| ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); |
| ib->ptr[2] = 0xDEADBEEF; |
| ib->ptr[3] = PACKET2(0); |
| ib->ptr[4] = PACKET2(0); |
| ib->ptr[5] = PACKET2(0); |
| ib->ptr[6] = PACKET2(0); |
| ib->ptr[7] = PACKET2(0); |
| ib->ptr[8] = PACKET2(0); |
| ib->ptr[9] = PACKET2(0); |
| ib->ptr[10] = PACKET2(0); |
| ib->ptr[11] = PACKET2(0); |
| ib->ptr[12] = PACKET2(0); |
| ib->ptr[13] = PACKET2(0); |
| ib->ptr[14] = PACKET2(0); |
| ib->ptr[15] = PACKET2(0); |
| ib->length_dw = 16; |
| r = radeon_ib_schedule(rdev, ib); |
| if (r) { |
| radeon_scratch_free(rdev, scratch); |
| radeon_ib_free(rdev, &ib); |
| DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); |
| return r; |
| } |
| r = radeon_fence_wait(ib->fence, false); |
| if (r) { |
| DRM_ERROR("radeon: fence wait failed (%d).\n", r); |
| return r; |
| } |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = RREG32(scratch); |
| if (tmp == 0xDEADBEEF) |
| break; |
| DRM_UDELAY(1); |
| } |
| if (i < rdev->usec_timeout) { |
| DRM_INFO("ib test succeeded in %u usecs\n", i); |
| } else { |
| DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n", |
| scratch, tmp); |
| r = -EINVAL; |
| } |
| radeon_scratch_free(rdev, scratch); |
| radeon_ib_free(rdev, &ib); |
| return r; |
| } |
| |
| /* |
| * Interrupts |
| * |
| * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty |
| * the same as the CP ring buffer, but in reverse. Rather than the CPU |
| * writing to the ring and the GPU consuming, the GPU writes to the ring |
| * and host consumes. As the host irq handler processes interrupts, it |
| * increments the rptr. When the rptr catches up with the wptr, all the |
| * current interrupts have been processed. |
| */ |
| |
| void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) |
| { |
| u32 rb_bufsz; |
| |
| /* Align ring size */ |
| rb_bufsz = drm_order(ring_size / 4); |
| ring_size = (1 << rb_bufsz) * 4; |
| rdev->ih.ring_size = ring_size; |
| rdev->ih.ptr_mask = rdev->ih.ring_size - 1; |
| rdev->ih.rptr = 0; |
| } |
| |
| static int r600_ih_ring_alloc(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* Allocate ring buffer */ |
| if (rdev->ih.ring_obj == NULL) { |
| r = radeon_bo_create(rdev, NULL, rdev->ih.ring_size, |
| true, |
| RADEON_GEM_DOMAIN_GTT, |
| &rdev->ih.ring_obj); |
| if (r) { |
| DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); |
| return r; |
| } |
| r = radeon_bo_reserve(rdev->ih.ring_obj, false); |
| if (unlikely(r != 0)) |
| return r; |
| r = radeon_bo_pin(rdev->ih.ring_obj, |
| RADEON_GEM_DOMAIN_GTT, |
| &rdev->ih.gpu_addr); |
| if (r) { |
| radeon_bo_unreserve(rdev->ih.ring_obj); |
| DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); |
| return r; |
| } |
| r = radeon_bo_kmap(rdev->ih.ring_obj, |
| (void **)&rdev->ih.ring); |
| radeon_bo_unreserve(rdev->ih.ring_obj); |
| if (r) { |
| DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); |
| return r; |
| } |
| } |
| return 0; |
| } |
| |
| static void r600_ih_ring_fini(struct radeon_device *rdev) |
| { |
| int r; |
| if (rdev->ih.ring_obj) { |
| r = radeon_bo_reserve(rdev->ih.ring_obj, false); |
| if (likely(r == 0)) { |
| radeon_bo_kunmap(rdev->ih.ring_obj); |
| radeon_bo_unpin(rdev->ih.ring_obj); |
| radeon_bo_unreserve(rdev->ih.ring_obj); |
| } |
| radeon_bo_unref(&rdev->ih.ring_obj); |
| rdev->ih.ring = NULL; |
| rdev->ih.ring_obj = NULL; |
| } |
| } |
| |
| static void r600_rlc_stop(struct radeon_device *rdev) |
| { |
| |
| if (rdev->family >= CHIP_RV770) { |
| /* r7xx asics need to soft reset RLC before halting */ |
| WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); |
| RREG32(SRBM_SOFT_RESET); |
| udelay(15000); |
| WREG32(SRBM_SOFT_RESET, 0); |
| RREG32(SRBM_SOFT_RESET); |
| } |
| |
| WREG32(RLC_CNTL, 0); |
| } |
| |
| static void r600_rlc_start(struct radeon_device *rdev) |
| { |
| WREG32(RLC_CNTL, RLC_ENABLE); |
| } |
| |
| static int r600_rlc_init(struct radeon_device *rdev) |
| { |
| u32 i; |
| const __be32 *fw_data; |
| |
| if (!rdev->rlc_fw) |
| return -EINVAL; |
| |
| r600_rlc_stop(rdev); |
| |
| WREG32(RLC_HB_BASE, 0); |
| WREG32(RLC_HB_CNTL, 0); |
| WREG32(RLC_HB_RPTR, 0); |
| WREG32(RLC_HB_WPTR, 0); |
| WREG32(RLC_HB_WPTR_LSB_ADDR, 0); |
| WREG32(RLC_HB_WPTR_MSB_ADDR, 0); |
| WREG32(RLC_MC_CNTL, 0); |
| WREG32(RLC_UCODE_CNTL, 0); |
| |
| fw_data = (const __be32 *)rdev->rlc_fw->data; |
| if (rdev->family >= CHIP_RV770) { |
| for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { |
| WREG32(RLC_UCODE_ADDR, i); |
| WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); |
| } |
| } else { |
| for (i = 0; i < RLC_UCODE_SIZE; i++) { |
| WREG32(RLC_UCODE_ADDR, i); |
| WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); |
| } |
| } |
| WREG32(RLC_UCODE_ADDR, 0); |
| |
| r600_rlc_start(rdev); |
| |
| return 0; |
| } |
| |
| static void r600_enable_interrupts(struct radeon_device *rdev) |
| { |
| u32 ih_cntl = RREG32(IH_CNTL); |
| u32 ih_rb_cntl = RREG32(IH_RB_CNTL); |
| |
| ih_cntl |= ENABLE_INTR; |
| ih_rb_cntl |= IH_RB_ENABLE; |
| WREG32(IH_CNTL, ih_cntl); |
| WREG32(IH_RB_CNTL, ih_rb_cntl); |
| rdev->ih.enabled = true; |
| } |
| |
| static void r600_disable_interrupts(struct radeon_device *rdev) |
| { |
| u32 ih_rb_cntl = RREG32(IH_RB_CNTL); |
| u32 ih_cntl = RREG32(IH_CNTL); |
| |
| ih_rb_cntl &= ~IH_RB_ENABLE; |
| ih_cntl &= ~ENABLE_INTR; |
| WREG32(IH_RB_CNTL, ih_rb_cntl); |
| WREG32(IH_CNTL, ih_cntl); |
| /* set rptr, wptr to 0 */ |
| WREG32(IH_RB_RPTR, 0); |
| WREG32(IH_RB_WPTR, 0); |
| rdev->ih.enabled = false; |
| rdev->ih.wptr = 0; |
| rdev->ih.rptr = 0; |
| } |
| |
| static void r600_disable_interrupt_state(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| WREG32(CP_INT_CNTL, 0); |
| WREG32(GRBM_INT_CNTL, 0); |
| WREG32(DxMODE_INT_MASK, 0); |
| if (ASIC_IS_DCE3(rdev)) { |
| WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); |
| WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); |
| tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD1_INT_CONTROL, tmp); |
| tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD2_INT_CONTROL, tmp); |
| tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD3_INT_CONTROL, tmp); |
| tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD4_INT_CONTROL, tmp); |
| if (ASIC_IS_DCE32(rdev)) { |
| tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD5_INT_CONTROL, 0); |
| tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; |
| WREG32(DC_HPD6_INT_CONTROL, 0); |
| } |
| } else { |
| WREG32(DACA_AUTODETECT_INT_CONTROL, 0); |
| WREG32(DACB_AUTODETECT_INT_CONTROL, 0); |
| tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, 0); |
| tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, 0); |
| tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; |
| WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, 0); |
| } |
| } |
| |
| int r600_irq_init(struct radeon_device *rdev) |
| { |
| int ret = 0; |
| int rb_bufsz; |
| u32 interrupt_cntl, ih_cntl, ih_rb_cntl; |
| |
| /* allocate ring */ |
| ret = r600_ih_ring_alloc(rdev); |
| if (ret) |
| return ret; |
| |
| /* disable irqs */ |
| r600_disable_interrupts(rdev); |
| |
| /* init rlc */ |
| ret = r600_rlc_init(rdev); |
| if (ret) { |
| r600_ih_ring_fini(rdev); |
| return ret; |
| } |
| |
| /* setup interrupt control */ |
| /* set dummy read address to ring address */ |
| WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8); |
| interrupt_cntl = RREG32(INTERRUPT_CNTL); |
| /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi |
| * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN |
| */ |
| interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; |
| /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ |
| interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; |
| WREG32(INTERRUPT_CNTL, interrupt_cntl); |
| |
| WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); |
| rb_bufsz = drm_order(rdev->ih.ring_size / 4); |
| |
| ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | |
| IH_WPTR_OVERFLOW_CLEAR | |
| (rb_bufsz << 1)); |
| /* WPTR writeback, not yet */ |
| /*ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;*/ |
| WREG32(IH_RB_WPTR_ADDR_LO, 0); |
| WREG32(IH_RB_WPTR_ADDR_HI, 0); |
| |
| WREG32(IH_RB_CNTL, ih_rb_cntl); |
| |
| /* set rptr, wptr to 0 */ |
| WREG32(IH_RB_RPTR, 0); |
| WREG32(IH_RB_WPTR, 0); |
| |
| /* Default settings for IH_CNTL (disabled at first) */ |
| ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); |
| /* RPTR_REARM only works if msi's are enabled */ |
| if (rdev->msi_enabled) |
| ih_cntl |= RPTR_REARM; |
| |
| #ifdef __BIG_ENDIAN |
| ih_cntl |= IH_MC_SWAP(IH_MC_SWAP_32BIT); |
| #endif |
| WREG32(IH_CNTL, ih_cntl); |
| |
| /* force the active interrupt state to all disabled */ |
| r600_disable_interrupt_state(rdev); |
| |
| /* enable irqs */ |
| r600_enable_interrupts(rdev); |
| |
| return ret; |
| } |
| |
| void r600_irq_suspend(struct radeon_device *rdev) |
| { |
| r600_disable_interrupts(rdev); |
| r600_rlc_stop(rdev); |
| } |
| |
| void r600_irq_fini(struct radeon_device *rdev) |
| { |
| r600_irq_suspend(rdev); |
| r600_ih_ring_fini(rdev); |
| } |
| |
| int r600_irq_set(struct radeon_device *rdev) |
| { |
| u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; |
| u32 mode_int = 0; |
| u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; |
| |
| if (!rdev->irq.installed) { |
| WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); |
| return -EINVAL; |
| } |
| /* don't enable anything if the ih is disabled */ |
| if (!rdev->ih.enabled) { |
| r600_disable_interrupts(rdev); |
| /* force the active interrupt state to all disabled */ |
| r600_disable_interrupt_state(rdev); |
| return 0; |
| } |
| |
| if (ASIC_IS_DCE3(rdev)) { |
| hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| if (ASIC_IS_DCE32(rdev)) { |
| hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| } |
| } else { |
| hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; |
| } |
| |
| if (rdev->irq.sw_int) { |
| DRM_DEBUG("r600_irq_set: sw int\n"); |
| cp_int_cntl |= RB_INT_ENABLE; |
| } |
| if (rdev->irq.crtc_vblank_int[0]) { |
| DRM_DEBUG("r600_irq_set: vblank 0\n"); |
| mode_int |= D1MODE_VBLANK_INT_MASK; |
| } |
| if (rdev->irq.crtc_vblank_int[1]) { |
| DRM_DEBUG("r600_irq_set: vblank 1\n"); |
| mode_int |= D2MODE_VBLANK_INT_MASK; |
| } |
| if (rdev->irq.hpd[0]) { |
| DRM_DEBUG("r600_irq_set: hpd 1\n"); |
| hpd1 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[1]) { |
| DRM_DEBUG("r600_irq_set: hpd 2\n"); |
| hpd2 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[2]) { |
| DRM_DEBUG("r600_irq_set: hpd 3\n"); |
| hpd3 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[3]) { |
| DRM_DEBUG("r600_irq_set: hpd 4\n"); |
| hpd4 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[4]) { |
| DRM_DEBUG("r600_irq_set: hpd 5\n"); |
| hpd5 |= DC_HPDx_INT_EN; |
| } |
| if (rdev->irq.hpd[5]) { |
| DRM_DEBUG("r600_irq_set: hpd 6\n"); |
| hpd6 |= DC_HPDx_INT_EN; |
| } |
| |
| WREG32(CP_INT_CNTL, cp_int_cntl); |
| WREG32(DxMODE_INT_MASK, mode_int); |
| if (ASIC_IS_DCE3(rdev)) { |
| WREG32(DC_HPD1_INT_CONTROL, hpd1); |
| WREG32(DC_HPD2_INT_CONTROL, hpd2); |
| WREG32(DC_HPD3_INT_CONTROL, hpd3); |
| WREG32(DC_HPD4_INT_CONTROL, hpd4); |
| if (ASIC_IS_DCE32(rdev)) { |
| WREG32(DC_HPD5_INT_CONTROL, hpd5); |
| WREG32(DC_HPD6_INT_CONTROL, hpd6); |
| } |
| } else { |
| WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); |
| WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); |
| WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); |
| } |
| |
| return 0; |
| } |
| |
| static inline void r600_irq_ack(struct radeon_device *rdev, |
| u32 *disp_int, |
| u32 *disp_int_cont, |
| u32 *disp_int_cont2) |
| { |
| u32 tmp; |
| |
| if (ASIC_IS_DCE3(rdev)) { |
| *disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); |
| *disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); |
| *disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); |
| } else { |
| *disp_int = RREG32(DISP_INTERRUPT_STATUS); |
| *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); |
| *disp_int_cont2 = 0; |
| } |
| |
| if (*disp_int & LB_D1_VBLANK_INTERRUPT) |
| WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); |
| if (*disp_int & LB_D1_VLINE_INTERRUPT) |
| WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); |
| if (*disp_int & LB_D2_VBLANK_INTERRUPT) |
| WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); |
| if (*disp_int & LB_D2_VLINE_INTERRUPT) |
| WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); |
| if (*disp_int & DC_HPD1_INTERRUPT) { |
| if (ASIC_IS_DCE3(rdev)) { |
| tmp = RREG32(DC_HPD1_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD1_INT_CONTROL, tmp); |
| } else { |
| tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); |
| } |
| } |
| if (*disp_int & DC_HPD2_INTERRUPT) { |
| if (ASIC_IS_DCE3(rdev)) { |
| tmp = RREG32(DC_HPD2_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD2_INT_CONTROL, tmp); |
| } else { |
| tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); |
| } |
| } |
| if (*disp_int_cont & DC_HPD3_INTERRUPT) { |
| if (ASIC_IS_DCE3(rdev)) { |
| tmp = RREG32(DC_HPD3_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD3_INT_CONTROL, tmp); |
| } else { |
| tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); |
| } |
| } |
| if (*disp_int_cont & DC_HPD4_INTERRUPT) { |
| tmp = RREG32(DC_HPD4_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD4_INT_CONTROL, tmp); |
| } |
| if (ASIC_IS_DCE32(rdev)) { |
| if (*disp_int_cont2 & DC_HPD5_INTERRUPT) { |
| tmp = RREG32(DC_HPD5_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD5_INT_CONTROL, tmp); |
| } |
| if (*disp_int_cont2 & DC_HPD6_INTERRUPT) { |
| tmp = RREG32(DC_HPD5_INT_CONTROL); |
| tmp |= DC_HPDx_INT_ACK; |
| WREG32(DC_HPD6_INT_CONTROL, tmp); |
| } |
| } |
| } |
| |
| void r600_irq_disable(struct radeon_device *rdev) |
| { |
| u32 disp_int, disp_int_cont, disp_int_cont2; |
| |
| r600_disable_interrupts(rdev); |
| /* Wait and acknowledge irq */ |
| mdelay(1); |
| r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2); |
| r600_disable_interrupt_state(rdev); |
| } |
| |
| static inline u32 r600_get_ih_wptr(struct radeon_device *rdev) |
| { |
| u32 wptr, tmp; |
| |
| /* XXX use writeback */ |
| wptr = RREG32(IH_RB_WPTR); |
| |
| if (wptr & RB_OVERFLOW) { |
| /* When a ring buffer overflow happen start parsing interrupt |
| * from the last not overwritten vector (wptr + 16). Hopefully |
| * this should allow us to catchup. |
| */ |
| dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", |
| wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); |
| rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; |
| tmp = RREG32(IH_RB_CNTL); |
| tmp |= IH_WPTR_OVERFLOW_CLEAR; |
| WREG32(IH_RB_CNTL, tmp); |
| } |
| return (wptr & rdev->ih.ptr_mask); |
| } |
| |
| /* r600 IV Ring |
| * Each IV ring entry is 128 bits: |
| * [7:0] - interrupt source id |
| * [31:8] - reserved |
| * [59:32] - interrupt source data |
| * [127:60] - reserved |
| * |
| * The basic interrupt vector entries |
| * are decoded as follows: |
| * src_id src_data description |
| * 1 0 D1 Vblank |
| * 1 1 D1 Vline |
| * 5 0 D2 Vblank |
| * 5 1 D2 Vline |
| * 19 0 FP Hot plug detection A |
| * 19 1 FP Hot plug detection B |
| * 19 2 DAC A auto-detection |
| * 19 3 DAC B auto-detection |
| * 176 - CP_INT RB |
| * 177 - CP_INT IB1 |
| * 178 - CP_INT IB2 |
| * 181 - EOP Interrupt |
| * 233 - GUI Idle |
| * |
| * Note, these are based on r600 and may need to be |
| * adjusted or added to on newer asics |
| */ |
| |
| int r600_irq_process(struct radeon_device *rdev) |
| { |
| u32 wptr = r600_get_ih_wptr(rdev); |
| u32 rptr = rdev->ih.rptr; |
| u32 src_id, src_data; |
| u32 ring_index, disp_int, disp_int_cont, disp_int_cont2; |
| unsigned long flags; |
| bool queue_hotplug = false; |
| |
| DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); |
| if (!rdev->ih.enabled) |
| return IRQ_NONE; |
| |
| spin_lock_irqsave(&rdev->ih.lock, flags); |
| |
| if (rptr == wptr) { |
| spin_unlock_irqrestore(&rdev->ih.lock, flags); |
| return IRQ_NONE; |
| } |
| if (rdev->shutdown) { |
| spin_unlock_irqrestore(&rdev->ih.lock, flags); |
| return IRQ_NONE; |
| } |
| |
| restart_ih: |
| /* display interrupts */ |
| r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2); |
| |
| rdev->ih.wptr = wptr; |
| while (rptr != wptr) { |
| /* wptr/rptr are in bytes! */ |
| ring_index = rptr / 4; |
| src_id = rdev->ih.ring[ring_index] & 0xff; |
| src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff; |
| |
| switch (src_id) { |
| case 1: /* D1 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D1 vblank */ |
| if (disp_int & LB_D1_VBLANK_INTERRUPT) { |
| drm_handle_vblank(rdev->ddev, 0); |
| disp_int &= ~LB_D1_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D1 vblank\n"); |
| } |
| break; |
| case 1: /* D1 vline */ |
| if (disp_int & LB_D1_VLINE_INTERRUPT) { |
| disp_int &= ~LB_D1_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D1 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 5: /* D2 vblank/vline */ |
| switch (src_data) { |
| case 0: /* D2 vblank */ |
| if (disp_int & LB_D2_VBLANK_INTERRUPT) { |
| drm_handle_vblank(rdev->ddev, 1); |
| disp_int &= ~LB_D2_VBLANK_INTERRUPT; |
| DRM_DEBUG("IH: D2 vblank\n"); |
| } |
| break; |
| case 1: /* D1 vline */ |
| if (disp_int & LB_D2_VLINE_INTERRUPT) { |
| disp_int &= ~LB_D2_VLINE_INTERRUPT; |
| DRM_DEBUG("IH: D2 vline\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 19: /* HPD/DAC hotplug */ |
| switch (src_data) { |
| case 0: |
| if (disp_int & DC_HPD1_INTERRUPT) { |
| disp_int &= ~DC_HPD1_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD1\n"); |
| } |
| break; |
| case 1: |
| if (disp_int & DC_HPD2_INTERRUPT) { |
| disp_int &= ~DC_HPD2_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD2\n"); |
| } |
| break; |
| case 4: |
| if (disp_int_cont & DC_HPD3_INTERRUPT) { |
| disp_int_cont &= ~DC_HPD3_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD3\n"); |
| } |
| break; |
| case 5: |
| if (disp_int_cont & DC_HPD4_INTERRUPT) { |
| disp_int_cont &= ~DC_HPD4_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD4\n"); |
| } |
| break; |
| case 10: |
| if (disp_int_cont2 & DC_HPD5_INTERRUPT) { |
| disp_int_cont &= ~DC_HPD5_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD5\n"); |
| } |
| break; |
| case 12: |
| if (disp_int_cont2 & DC_HPD6_INTERRUPT) { |
| disp_int_cont &= ~DC_HPD6_INTERRUPT; |
| queue_hotplug = true; |
| DRM_DEBUG("IH: HPD6\n"); |
| } |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| break; |
| case 176: /* CP_INT in ring buffer */ |
| case 177: /* CP_INT in IB1 */ |
| case 178: /* CP_INT in IB2 */ |
| DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); |
| radeon_fence_process(rdev); |
| break; |
| case 181: /* CP EOP event */ |
| DRM_DEBUG("IH: CP EOP\n"); |
| break; |
| default: |
| DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); |
| break; |
| } |
| |
| /* wptr/rptr are in bytes! */ |
| rptr += 16; |
| rptr &= rdev->ih.ptr_mask; |
| } |
| /* make sure wptr hasn't changed while processing */ |
| wptr = r600_get_ih_wptr(rdev); |
| if (wptr != rdev->ih.wptr) |
| goto restart_ih; |
| if (queue_hotplug) |
| queue_work(rdev->wq, &rdev->hotplug_work); |
| rdev->ih.rptr = rptr; |
| WREG32(IH_RB_RPTR, rdev->ih.rptr); |
| spin_unlock_irqrestore(&rdev->ih.lock, flags); |
| return IRQ_HANDLED; |
| } |
| |
| /* |
| * Debugfs info |
| */ |
| #if defined(CONFIG_DEBUG_FS) |
| |
| static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data) |
| { |
| struct drm_info_node *node = (struct drm_info_node *) m->private; |
| struct drm_device *dev = node->minor->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| unsigned count, i, j; |
| |
| radeon_ring_free_size(rdev); |
| count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw; |
| seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT)); |
| seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR)); |
| seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR)); |
| seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr); |
| seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr); |
| seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw); |
| seq_printf(m, "%u dwords in ring\n", count); |
| i = rdev->cp.rptr; |
| for (j = 0; j <= count; j++) { |
| seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]); |
| i = (i + 1) & rdev->cp.ptr_mask; |
| } |
| return 0; |
| } |
| |
| static int r600_debugfs_mc_info(struct seq_file *m, void *data) |
| { |
| struct drm_info_node *node = (struct drm_info_node *) m->private; |
| struct drm_device *dev = node->minor->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| |
| DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS); |
| DREG32_SYS(m, rdev, VM_L2_STATUS); |
| return 0; |
| } |
| |
| static struct drm_info_list r600_mc_info_list[] = { |
| {"r600_mc_info", r600_debugfs_mc_info, 0, NULL}, |
| {"r600_ring_info", r600_debugfs_cp_ring_info, 0, NULL}, |
| }; |
| #endif |
| |
| int r600_debugfs_mc_info_init(struct radeon_device *rdev) |
| { |
| #if defined(CONFIG_DEBUG_FS) |
| return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list)); |
| #else |
| return 0; |
| #endif |
| } |