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path: root/drivers/gpu/drm/radeon/evergreen.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c767
1 files changed, 767 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
new file mode 100644
index 000000000000..bd2e7aa85c1d
--- /dev/null
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -0,0 +1,767 @@
+/*
+ * Copyright 2010 Advanced Micro Devices, Inc.
+ *
+ * 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: Alex Deucher
+ */
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
+#include "drmP.h"
+#include "radeon.h"
+#include "radeon_drm.h"
+#include "rv770d.h"
+#include "atom.h"
+#include "avivod.h"
+#include "evergreen_reg.h"
+
+static void evergreen_gpu_init(struct radeon_device *rdev);
+void evergreen_fini(struct radeon_device *rdev);
+
+bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
+{
+ bool connected = false;
+ /* XXX */
+ return connected;
+}
+
+void evergreen_hpd_set_polarity(struct radeon_device *rdev,
+ enum radeon_hpd_id hpd)
+{
+ /* XXX */
+}
+
+void evergreen_hpd_init(struct radeon_device *rdev)
+{
+ /* XXX */
+}
+
+
+void evergreen_bandwidth_update(struct radeon_device *rdev)
+{
+ /* XXX */
+}
+
+void evergreen_hpd_fini(struct radeon_device *rdev)
+{
+ /* XXX */
+}
+
+static int evergreen_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(SRBM_STATUS) & 0x1F00;
+ if (!tmp)
+ return 0;
+ udelay(1);
+ }
+ return -1;
+}
+
+/*
+ * GART
+ */
+int evergreen_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;
+ radeon_gart_restore(rdev);
+ /* 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) | CACHE_UPDATE_MODE(2));
+ /* Setup TLB control */
+ tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
+ SYSTEM_ACCESS_MODE_NOT_IN_SYS |
+ SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
+ EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
+ WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
+ 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 evergreen_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);
+
+ /* Setup L2 cache */
+ WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
+ EFFECTIVE_L2_QUEUE_SIZE(7));
+ WREG32(VM_L2_CNTL2, 0);
+ WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
+ /* Setup TLB control */
+ tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
+ WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB3_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 evergreen_pcie_gart_fini(struct radeon_device *rdev)
+{
+ evergreen_pcie_gart_disable(rdev);
+ radeon_gart_table_vram_free(rdev);
+ radeon_gart_fini(rdev);
+}
+
+
+void evergreen_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) | CACHE_UPDATE_MODE(2));
+ /* Setup TLB control */
+ tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
+ SYSTEM_ACCESS_MODE_NOT_IN_SYS |
+ SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
+ EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
+ WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
+ WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
+ for (i = 0; i < 7; i++)
+ WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+}
+
+static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
+{
+ save->vga_control[0] = RREG32(D1VGA_CONTROL);
+ save->vga_control[1] = RREG32(D2VGA_CONTROL);
+ save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
+ save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
+ save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
+ save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
+ save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
+ save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
+ save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
+ save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
+ save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
+ save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
+ save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
+ save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+
+ /* Stop all video */
+ WREG32(VGA_RENDER_CONTROL, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+
+ WREG32(D1VGA_CONTROL, 0);
+ WREG32(D2VGA_CONTROL, 0);
+ WREG32(EVERGREEN_D3VGA_CONTROL, 0);
+ WREG32(EVERGREEN_D4VGA_CONTROL, 0);
+ WREG32(EVERGREEN_D5VGA_CONTROL, 0);
+ WREG32(EVERGREEN_D6VGA_CONTROL, 0);
+}
+
+static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
+{
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
+ (u32)rdev->mc.vram_start);
+
+ WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
+ WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
+ /* Unlock host access */
+ WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
+ mdelay(1);
+ /* Restore video state */
+ WREG32(D1VGA_CONTROL, save->vga_control[0]);
+ WREG32(D2VGA_CONTROL, save->vga_control[1]);
+ WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
+ WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
+ WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
+ WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
+ WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+ WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
+}
+
+static void evergreen_mc_program(struct radeon_device *rdev)
+{
+ struct evergreen_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);
+
+ evergreen_mc_stop(rdev, &save);
+ if (evergreen_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+ }
+ /* Lockout access through VGA aperture*/
+ 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 - 1) | 0x3FF);
+ if (rdev->flags & RADEON_IS_AGP) {
+ WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
+ WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
+ 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 (evergreen_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+ }
+ evergreen_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);
+}
+
+#if 0
+/*
+ * CP.
+ */
+static void evergreen_cp_stop(struct radeon_device *rdev)
+{
+ /* XXX */
+}
+
+
+static int evergreen_cp_load_microcode(struct radeon_device *rdev)
+{
+ /* XXX */
+
+ return 0;
+}
+
+
+/*
+ * Core functions
+ */
+static u32 evergreen_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
+ u32 num_backends,
+ u32 backend_disable_mask)
+{
+ u32 backend_map = 0;
+
+ return backend_map;
+}
+#endif
+
+static void evergreen_gpu_init(struct radeon_device *rdev)
+{
+ /* XXX */
+}
+
+int evergreen_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(MC_ARB_RAMCFG);
+ if (tmp & CHANSIZE_OVERRIDE) {
+ chansize = 16;
+ } else if (tmp & CHANSIZE_MASK) {
+ chansize = 64;
+ } else {
+ chansize = 32;
+ }
+ tmp = RREG32(MC_SHARED_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 */
+ /* size in MB on evergreen */
+ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+ rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
+ /* FIXME remove this once we support unmappable VRAM */
+ if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
+ rdev->mc.mc_vram_size = rdev->mc.aper_size;
+ rdev->mc.real_vram_size = rdev->mc.aper_size;
+ }
+ r600_vram_gtt_location(rdev, &rdev->mc);
+ /* 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);
+ return 0;
+}
+
+int evergreen_gpu_reset(struct radeon_device *rdev)
+{
+ /* FIXME: implement for evergreen */
+ return 0;
+}
+
+static int evergreen_startup(struct radeon_device *rdev)
+{
+#if 0
+ 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;
+ }
+ }
+#endif
+ evergreen_mc_program(rdev);
+#if 0
+ if (rdev->flags & RADEON_IS_AGP) {
+ evergreem_agp_enable(rdev);
+ } else {
+ r = evergreen_pcie_gart_enable(rdev);
+ if (r)
+ return r;
+ }
+#endif
+ evergreen_gpu_init(rdev);
+#if 0
+ if (!rdev->r600_blit.shader_obj) {
+ r = r600_blit_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: failed blitter (%d).\n", r);
+ return r;
+ }
+ }
+
+ 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) {
+ DRM_ERROR("failed to pin blit object %d\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 = evergreen_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);
+#endif
+ return 0;
+}
+
+int evergreen_resume(struct radeon_device *rdev)
+{
+ int r;
+
+ /* Do not reset GPU before posting, on rv770 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 = evergreen_startup(rdev);
+ if (r) {
+ DRM_ERROR("r600 startup failed on resume\n");
+ return r;
+ }
+#if 0
+ r = r600_ib_test(rdev);
+ if (r) {
+ DRM_ERROR("radeon: failled testing IB (%d).\n", r);
+ return r;
+ }
+#endif
+ return r;
+
+}
+
+int evergreen_suspend(struct radeon_device *rdev)
+{
+#if 0
+ int r;
+
+ /* FIXME: we should wait for ring to be empty */
+ r700_cp_stop(rdev);
+ rdev->cp.ready = false;
+ r600_wb_disable(rdev);
+ evergreen_pcie_gart_disable(rdev);
+ /* unpin shaders bo */
+ r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
+ if (likely(r == 0)) {
+ radeon_bo_unpin(rdev->r600_blit.shader_obj);
+ radeon_bo_unreserve(rdev->r600_blit.shader_obj);
+ }
+#endif
+ return 0;
+}
+
+static bool evergreen_card_posted(struct radeon_device *rdev)
+{
+ u32 reg;
+
+ /* first check CRTCs */
+ reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+ if (reg & EVERGREEN_CRTC_MASTER_EN)
+ return true;
+
+ /* then check MEM_SIZE, in case the crtcs are off */
+ if (RREG32(CONFIG_MEMSIZE))
+ return true;
+
+ return false;
+}
+
+/* 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 evergreen_init(struct radeon_device *rdev)
+{
+ int r;
+
+ r = radeon_dummy_page_init(rdev);
+ if (r)
+ return r;
+ /* 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 (!evergreen_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;
+ /* initialize AGP */
+ if (rdev->flags & RADEON_IS_AGP) {
+ r = radeon_agp_init(rdev);
+ if (r)
+ radeon_agp_disable(rdev);
+ }
+ /* initialize memory controller */
+ r = evergreen_mc_init(rdev);
+ if (r)
+ return r;
+ /* Memory manager */
+ r = radeon_bo_init(rdev);
+ if (r)
+ return r;
+#if 0
+ 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;
+#endif
+ rdev->accel_working = false;
+ r = evergreen_startup(rdev);
+ if (r) {
+ evergreen_suspend(rdev);
+ /*r600_wb_fini(rdev);*/
+ /*radeon_ring_fini(rdev);*/
+ /*evergreen_pcie_gart_fini(rdev);*/
+ rdev->accel_working = false;
+ }
+ if (rdev->accel_working) {
+ r = radeon_ib_pool_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
+ rdev->accel_working = false;
+ }
+ r = r600_ib_test(rdev);
+ if (r) {
+ DRM_ERROR("radeon: failed testing IB (%d).\n", r);
+ rdev->accel_working = false;
+ }
+ }
+ return 0;
+}
+
+void evergreen_fini(struct radeon_device *rdev)
+{
+ evergreen_suspend(rdev);
+#if 0
+ r600_blit_fini(rdev);
+ r600_irq_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ radeon_ring_fini(rdev);
+ r600_wb_fini(rdev);
+ evergreen_pcie_gart_fini(rdev);
+#endif
+ 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);
+}