| /* |
| * 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/slab.h> |
| #include "drmP.h" |
| #include "radeon_reg.h" |
| #include "radeon.h" |
| #include "radeon_asic.h" |
| #include "atom.h" |
| #include "r100d.h" |
| #include "r420d.h" |
| #include "r420_reg_safe.h" |
| |
| void r420_pm_init_profile(struct radeon_device *rdev) |
| { |
| /* default */ |
| rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; |
| rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; |
| rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; |
| /* low sh */ |
| rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; |
| /* mid sh */ |
| rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; |
| rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; |
| /* high sh */ |
| rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; |
| rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; |
| /* low mh */ |
| rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; |
| rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; |
| /* mid mh */ |
| rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; |
| rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; |
| /* high mh */ |
| rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; |
| rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; |
| rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; |
| } |
| |
| static void r420_set_reg_safe(struct radeon_device *rdev) |
| { |
| rdev->config.r300.reg_safe_bm = r420_reg_safe_bm; |
| rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm); |
| } |
| |
| void r420_pipes_init(struct radeon_device *rdev) |
| { |
| unsigned tmp; |
| unsigned gb_pipe_select; |
| unsigned num_pipes; |
| |
| /* GA_ENHANCE workaround TCL deadlock issue */ |
| WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL | |
| (1 << 2) | (1 << 3)); |
| /* add idle wait as per freedesktop.org bug 24041 */ |
| if (r100_gui_wait_for_idle(rdev)) { |
| printk(KERN_WARNING "Failed to wait GUI idle while " |
| "programming pipes. Bad things might happen.\n"); |
| } |
| /* get max number of pipes */ |
| gb_pipe_select = RREG32(R400_GB_PIPE_SELECT); |
| num_pipes = ((gb_pipe_select >> 12) & 3) + 1; |
| |
| /* SE chips have 1 pipe */ |
| if ((rdev->pdev->device == 0x5e4c) || |
| (rdev->pdev->device == 0x5e4f)) |
| num_pipes = 1; |
| |
| rdev->num_gb_pipes = num_pipes; |
| tmp = 0; |
| switch (num_pipes) { |
| default: |
| /* force to 1 pipe */ |
| num_pipes = 1; |
| case 1: |
| tmp = (0 << 1); |
| break; |
| case 2: |
| tmp = (3 << 1); |
| break; |
| case 3: |
| tmp = (6 << 1); |
| break; |
| case 4: |
| tmp = (7 << 1); |
| break; |
| } |
| WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1); |
| /* Sub pixel 1/12 so we can have 4K rendering according to doc */ |
| tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING; |
| WREG32(R300_GB_TILE_CONFIG, tmp); |
| if (r100_gui_wait_for_idle(rdev)) { |
| printk(KERN_WARNING "Failed to wait GUI idle while " |
| "programming pipes. Bad things might happen.\n"); |
| } |
| |
| tmp = RREG32(R300_DST_PIPE_CONFIG); |
| WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG); |
| |
| WREG32(R300_RB2D_DSTCACHE_MODE, |
| RREG32(R300_RB2D_DSTCACHE_MODE) | |
| R300_DC_AUTOFLUSH_ENABLE | |
| R300_DC_DC_DISABLE_IGNORE_PE); |
| |
| if (r100_gui_wait_for_idle(rdev)) { |
| printk(KERN_WARNING "Failed to wait GUI idle while " |
| "programming pipes. Bad things might happen.\n"); |
| } |
| |
| if (rdev->family == CHIP_RV530) { |
| tmp = RREG32(RV530_GB_PIPE_SELECT2); |
| if ((tmp & 3) == 3) |
| rdev->num_z_pipes = 2; |
| else |
| rdev->num_z_pipes = 1; |
| } else |
| rdev->num_z_pipes = 1; |
| |
| DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n", |
| rdev->num_gb_pipes, rdev->num_z_pipes); |
| } |
| |
| u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg) |
| { |
| u32 r; |
| |
| WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg)); |
| r = RREG32(R_0001FC_MC_IND_DATA); |
| return r; |
| } |
| |
| void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v) |
| { |
| WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg) | |
| S_0001F8_MC_IND_WR_EN(1)); |
| WREG32(R_0001FC_MC_IND_DATA, v); |
| } |
| |
| static void r420_debugfs(struct radeon_device *rdev) |
| { |
| if (r100_debugfs_rbbm_init(rdev)) { |
| DRM_ERROR("Failed to register debugfs file for RBBM !\n"); |
| } |
| if (r420_debugfs_pipes_info_init(rdev)) { |
| DRM_ERROR("Failed to register debugfs file for pipes !\n"); |
| } |
| } |
| |
| static void r420_clock_resume(struct radeon_device *rdev) |
| { |
| u32 sclk_cntl; |
| |
| if (radeon_dynclks != -1 && radeon_dynclks) |
| radeon_atom_set_clock_gating(rdev, 1); |
| sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL); |
| sclk_cntl |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1); |
| if (rdev->family == CHIP_R420) |
| sclk_cntl |= S_00000D_FORCE_PX(1) | S_00000D_FORCE_TX(1); |
| WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl); |
| } |
| |
| static void r420_cp_errata_init(struct radeon_device *rdev) |
| { |
| struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; |
| |
| /* RV410 and R420 can lock up if CP DMA to host memory happens |
| * while the 2D engine is busy. |
| * |
| * The proper workaround is to queue a RESYNC at the beginning |
| * of the CP init, apparently. |
| */ |
| radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch); |
| radeon_ring_lock(rdev, ring, 8); |
| radeon_ring_write(ring, PACKET0(R300_CP_RESYNC_ADDR, 1)); |
| radeon_ring_write(ring, rdev->config.r300.resync_scratch); |
| radeon_ring_write(ring, 0xDEADBEEF); |
| radeon_ring_unlock_commit(rdev, ring); |
| } |
| |
| static void r420_cp_errata_fini(struct radeon_device *rdev) |
| { |
| struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; |
| |
| /* Catch the RESYNC we dispatched all the way back, |
| * at the very beginning of the CP init. |
| */ |
| radeon_ring_lock(rdev, ring, 8); |
| radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| radeon_ring_write(ring, R300_RB3D_DC_FINISH); |
| radeon_ring_unlock_commit(rdev, ring); |
| radeon_scratch_free(rdev, rdev->config.r300.resync_scratch); |
| } |
| |
| static int r420_startup(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* set common regs */ |
| r100_set_common_regs(rdev); |
| /* program mc */ |
| r300_mc_program(rdev); |
| /* Resume clock */ |
| r420_clock_resume(rdev); |
| /* Initialize GART (initialize after TTM so we can allocate |
| * memory through TTM but finalize after TTM) */ |
| if (rdev->flags & RADEON_IS_PCIE) { |
| r = rv370_pcie_gart_enable(rdev); |
| if (r) |
| return r; |
| } |
| if (rdev->flags & RADEON_IS_PCI) { |
| r = r100_pci_gart_enable(rdev); |
| if (r) |
| return r; |
| } |
| r420_pipes_init(rdev); |
| |
| /* 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 */ |
| r100_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; |
| } |
| r420_cp_errata_init(rdev); |
| r = r100_ib_init(rdev); |
| if (r) { |
| dev_err(rdev->dev, "failed initializing IB (%d).\n", r); |
| return r; |
| } |
| return 0; |
| } |
| |
| int r420_resume(struct radeon_device *rdev) |
| { |
| /* Make sur GART are not working */ |
| if (rdev->flags & RADEON_IS_PCIE) |
| rv370_pcie_gart_disable(rdev); |
| if (rdev->flags & RADEON_IS_PCI) |
| r100_pci_gart_disable(rdev); |
| /* Resume clock before doing reset */ |
| r420_clock_resume(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)); |
| } |
| /* check if cards are posted or not */ |
| if (rdev->is_atom_bios) { |
| atom_asic_init(rdev->mode_info.atom_context); |
| } else { |
| radeon_combios_asic_init(rdev->ddev); |
| } |
| /* Resume clock after posting */ |
| r420_clock_resume(rdev); |
| /* Initialize surface registers */ |
| radeon_surface_init(rdev); |
| return r420_startup(rdev); |
| } |
| |
| int r420_suspend(struct radeon_device *rdev) |
| { |
| r420_cp_errata_fini(rdev); |
| r100_cp_disable(rdev); |
| radeon_wb_disable(rdev); |
| r100_irq_disable(rdev); |
| if (rdev->flags & RADEON_IS_PCIE) |
| rv370_pcie_gart_disable(rdev); |
| if (rdev->flags & RADEON_IS_PCI) |
| r100_pci_gart_disable(rdev); |
| return 0; |
| } |
| |
| void r420_fini(struct radeon_device *rdev) |
| { |
| r100_cp_fini(rdev); |
| radeon_wb_fini(rdev); |
| r100_ib_fini(rdev); |
| radeon_gem_fini(rdev); |
| if (rdev->flags & RADEON_IS_PCIE) |
| rv370_pcie_gart_fini(rdev); |
| if (rdev->flags & RADEON_IS_PCI) |
| r100_pci_gart_fini(rdev); |
| radeon_agp_fini(rdev); |
| radeon_irq_kms_fini(rdev); |
| radeon_fence_driver_fini(rdev); |
| radeon_bo_fini(rdev); |
| if (rdev->is_atom_bios) { |
| radeon_atombios_fini(rdev); |
| } else { |
| radeon_combios_fini(rdev); |
| } |
| kfree(rdev->bios); |
| rdev->bios = NULL; |
| } |
| |
| int r420_init(struct radeon_device *rdev) |
| { |
| int r; |
| |
| /* Initialize scratch registers */ |
| radeon_scratch_init(rdev); |
| /* Initialize surface registers */ |
| radeon_surface_init(rdev); |
| /* TODO: disable VGA need to use VGA request */ |
| /* 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 { |
| r = radeon_combios_init(rdev); |
| if (r) { |
| return r; |
| } |
| } |
| /* 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 AGP */ |
| if (rdev->flags & RADEON_IS_AGP) { |
| r = radeon_agp_init(rdev); |
| if (r) { |
| radeon_agp_disable(rdev); |
| } |
| } |
| /* initialize memory controller */ |
| r300_mc_init(rdev); |
| r420_debugfs(rdev); |
| /* Fence driver */ |
| r = radeon_fence_driver_init(rdev); |
| if (r) { |
| return r; |
| } |
| r = radeon_irq_kms_init(rdev); |
| if (r) { |
| return r; |
| } |
| /* Memory manager */ |
| r = radeon_bo_init(rdev); |
| if (r) { |
| return r; |
| } |
| if (rdev->family == CHIP_R420) |
| r100_enable_bm(rdev); |
| |
| if (rdev->flags & RADEON_IS_PCIE) { |
| r = rv370_pcie_gart_init(rdev); |
| if (r) |
| return r; |
| } |
| if (rdev->flags & RADEON_IS_PCI) { |
| r = r100_pci_gart_init(rdev); |
| if (r) |
| return r; |
| } |
| r420_set_reg_safe(rdev); |
| rdev->accel_working = true; |
| r = r420_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); |
| r100_ib_fini(rdev); |
| radeon_irq_kms_fini(rdev); |
| if (rdev->flags & RADEON_IS_PCIE) |
| rv370_pcie_gart_fini(rdev); |
| if (rdev->flags & RADEON_IS_PCI) |
| r100_pci_gart_fini(rdev); |
| radeon_agp_fini(rdev); |
| rdev->accel_working = false; |
| } |
| return 0; |
| } |
| |
| /* |
| * Debugfs info |
| */ |
| #if defined(CONFIG_DEBUG_FS) |
| static int r420_debugfs_pipes_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; |
| uint32_t tmp; |
| |
| tmp = RREG32(R400_GB_PIPE_SELECT); |
| seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp); |
| tmp = RREG32(R300_GB_TILE_CONFIG); |
| seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp); |
| tmp = RREG32(R300_DST_PIPE_CONFIG); |
| seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp); |
| return 0; |
| } |
| |
| static struct drm_info_list r420_pipes_info_list[] = { |
| {"r420_pipes_info", r420_debugfs_pipes_info, 0, NULL}, |
| }; |
| #endif |
| |
| int r420_debugfs_pipes_info_init(struct radeon_device *rdev) |
| { |
| #if defined(CONFIG_DEBUG_FS) |
| return radeon_debugfs_add_files(rdev, r420_pipes_info_list, 1); |
| #else |
| return 0; |
| #endif |
| } |