--- /dev/null
+/*
+ * 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 <drm/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)
+{
+ unsigned long flags;
+ u32 r;
+
+ spin_lock_irqsave(&rdev->mc_idx_lock, flags);
+ WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg));
+ r = RREG32(R_0001FC_MC_IND_DATA);
+ spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
+ return r;
+}
+
+void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&rdev->mc_idx_lock, flags);
+ 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);
+ spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
+}
+
+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, false);
+}
+
+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, false);
+ 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 */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
+ 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 = radeon_ib_pool_init(rdev);
+ if (r) {
+ dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
+ return r;
+ }
+
+ return 0;
+}
+
+int r420_resume(struct radeon_device *rdev)
+{
+ int r;
+
+ /* 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);
+
+ rdev->accel_working = true;
+ r = r420_startup(rdev);
+ if (r) {
+ rdev->accel_working = false;
+ }
+ return r;
+}
+
+int r420_suspend(struct radeon_device *rdev)
+{
+ radeon_pm_suspend(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)
+{
+ radeon_pm_fini(rdev);
+ r100_cp_fini(rdev);
+ radeon_wb_fini(rdev);
+ radeon_ib_pool_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;
+ }
+ /* 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);
+
+ /* Initialize power management */
+ radeon_pm_init(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);
+ radeon_ib_pool_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
+}
Code Review / kvmfornfv.git / blobdiff