1 files changed, 263 insertions, 104 deletions

diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index fd799748e7d8..7935f793bf62 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -29,37 +29,17 @@
 #include "drmP.h"
 #include "rv515d.h"
 #include "radeon.h"
-
+#include "atom.h"
 #include "rv515_reg_safe.h"
-/* rv515 depends on : */
-void r100_hdp_reset(struct radeon_device *rdev);
-int r100_cp_reset(struct radeon_device *rdev);
-int r100_rb2d_reset(struct radeon_device *rdev);
-int r100_gui_wait_for_idle(struct radeon_device *rdev);
-int r100_cp_init(struct radeon_device *rdev, unsigned ring_size);
-void r420_pipes_init(struct radeon_device *rdev);
-void rs600_mc_disable_clients(struct radeon_device *rdev);
-void rs600_disable_vga(struct radeon_device *rdev);
-
-/* This files gather functions specifics to:
- * rv515
- *
- * Some of these functions might be used by newer ASICs.
- */
+
+/* This files gather functions specifics to: rv515 */
 int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
 int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
 void rv515_gpu_init(struct radeon_device *rdev);
 int rv515_mc_wait_for_idle(struct radeon_device *rdev);
 
-
-/*
- * MC
- */
-int rv515_mc_init(struct radeon_device *rdev)
+void rv515_debugfs(struct radeon_device *rdev)
 {
-        uint32_t tmp;
-        int r;
-
         if (r100_debugfs_rbbm_init(rdev)) {
                 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
         }
@@ -69,67 +49,8 @@ int rv515_mc_init(struct radeon_device *rdev)
         if (rv515_debugfs_ga_info_init(rdev)) {
                 DRM_ERROR("Failed to register debugfs file for pipes !\n");
         }
-
-        rv515_gpu_init(rdev);
-        rv370_pcie_gart_disable(rdev);
-
-        /* Setup GPU memory space */
-        rdev->mc.vram_location = 0xFFFFFFFFUL;
-        rdev->mc.gtt_location = 0xFFFFFFFFUL;
-        if (rdev->flags & RADEON_IS_AGP) {
-                r = radeon_agp_init(rdev);
-                if (r) {
-                        printk(KERN_WARNING "[drm] Disabling AGP\n");
-                        rdev->flags &= ~RADEON_IS_AGP;
-                        rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
-                } else {
-                        rdev->mc.gtt_location = rdev->mc.agp_base;
-                }
-        }
-        r = radeon_mc_setup(rdev);
-        if (r) {
-                return r;
-        }
-
-        /* Program GPU memory space */
-        rs600_mc_disable_clients(rdev);
-        if (rv515_mc_wait_for_idle(rdev)) {
-                printk(KERN_WARNING "Failed to wait MC idle while "
-                       "programming pipes. Bad things might happen.\n");
-        }
-        /* Write VRAM size in case we are limiting it */
-        WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
-        tmp = REG_SET(MC_FB_START, rdev->mc.vram_location >> 16);
-        WREG32(0x134, tmp);
-        tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
-        tmp = REG_SET(MC_FB_TOP, tmp >> 16);
-        tmp |= REG_SET(MC_FB_START, rdev->mc.vram_location >> 16);
-        WREG32_MC(MC_FB_LOCATION, tmp);
-        WREG32(HDP_FB_LOCATION, rdev->mc.vram_location >> 16);
-        WREG32(0x310, rdev->mc.vram_location);
-        if (rdev->flags & RADEON_IS_AGP) {
-                tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-                tmp = REG_SET(MC_AGP_TOP, tmp >> 16);
-                tmp |= REG_SET(MC_AGP_START, rdev->mc.gtt_location >> 16);
-                WREG32_MC(MC_AGP_LOCATION, tmp);
-                WREG32_MC(MC_AGP_BASE, rdev->mc.agp_base);
-                WREG32_MC(MC_AGP_BASE_2, 0);
-        } else {
-                WREG32_MC(MC_AGP_LOCATION, 0x0FFFFFFF);
-                WREG32_MC(MC_AGP_BASE, 0);
-                WREG32_MC(MC_AGP_BASE_2, 0);
-        }
-        return 0;
-}
-
-void rv515_mc_fini(struct radeon_device *rdev)
-{
 }
 
-
-/*
- * Global GPU functions
- */
 void rv515_ring_start(struct radeon_device *rdev)
 {
         int r;
@@ -198,11 +119,6 @@ void rv515_ring_start(struct radeon_device *rdev)
         radeon_ring_unlock_commit(rdev);
 }
 
-void rv515_errata(struct radeon_device *rdev)
-{
-        rdev->pll_errata = 0;
-}
-
 int rv515_mc_wait_for_idle(struct radeon_device *rdev)
 {
         unsigned i;
@@ -219,6 +135,14 @@ int rv515_mc_wait_for_idle(struct radeon_device *rdev)
         return -1;
 }
 
+void rv515_vga_render_disable(struct radeon_device *rdev)
+{
+        WREG32(R_000330_D1VGA_CONTROL, 0);
+        WREG32(R_000338_D2VGA_CONTROL, 0);
+        WREG32(R_000300_VGA_RENDER_CONTROL,
+                RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
+}
+
 void rv515_gpu_init(struct radeon_device *rdev)
 {
         unsigned pipe_select_current, gb_pipe_select, tmp;
@@ -231,7 +155,7 @@ void rv515_gpu_init(struct radeon_device *rdev)
                        "reseting GPU. Bad things might happen.\n");
         }
 
-        rs600_disable_vga(rdev);
+        rv515_vga_render_disable(rdev);
 
         r420_pipes_init(rdev);
         gb_pipe_select = RREG32(0x402C);
@@ -335,10 +259,6 @@ int rv515_gpu_reset(struct radeon_device *rdev)
         return 0;
 }
 
-
-/*
- * VRAM info
- */
 static void rv515_vram_get_type(struct radeon_device *rdev)
 {
         uint32_t tmp;
@@ -374,10 +294,6 @@ void rv515_vram_info(struct radeon_device *rdev)
         rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
 }
 
-
-/*
- * Indirect registers accessor
- */
 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 {
         uint32_t r;
@@ -395,9 +311,6 @@ void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
         WREG32(MC_IND_INDEX, 0);
 }
 
-/*
- * Debugfs info
- */
 #if defined(CONFIG_DEBUG_FS)
 static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
 {
@@ -459,13 +372,259 @@ int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
 #endif
 }
 
-/*
- * Asic initialization
- */
-int rv515_init(struct radeon_device *rdev)
+void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
+{
+        save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL);
+        save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL);
+        save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
+        save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
+        save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL);
+        save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL);
+
+        /* Stop all video */
+        WREG32(R_000330_D1VGA_CONTROL, 0);
+        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
+        WREG32(R_000300_VGA_RENDER_CONTROL, 0);
+        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
+        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
+        WREG32(R_006080_D1CRTC_CONTROL, 0);
+        WREG32(R_006880_D2CRTC_CONTROL, 0);
+        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
+        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
+}
+
+void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
+{
+        WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
+        WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
+        WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
+        WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
+        WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
+        /* Unlock host access */
+        WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
+        mdelay(1);
+        /* Restore video state */
+        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
+        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
+        WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control);
+        WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control);
+        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
+        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
+        WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control);
+        WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control);
+        WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
+}
+
+void rv515_mc_program(struct radeon_device *rdev)
+{
+        struct rv515_mc_save save;
+
+        /* Stops all mc clients */
+        rv515_mc_stop(rdev, &save);
+
+        /* Wait for mc idle */
+        if (rv515_mc_wait_for_idle(rdev))
+                dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
+        /* Write VRAM size in case we are limiting it */
+        WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
+        /* Program MC, should be a 32bits limited address space */
+        WREG32_MC(R_000001_MC_FB_LOCATION,
+                        S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
+                        S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
+        WREG32(R_000134_HDP_FB_LOCATION,
+                S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
+        if (rdev->flags & RADEON_IS_AGP) {
+                WREG32_MC(R_000002_MC_AGP_LOCATION,
+                        S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
+                        S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
+                WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
+                WREG32_MC(R_000004_MC_AGP_BASE_2,
+                        S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
+        } else {
+                WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
+                WREG32_MC(R_000003_MC_AGP_BASE, 0);
+                WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
+        }
+
+        rv515_mc_resume(rdev, &save);
+}
+
+void rv515_clock_startup(struct radeon_device *rdev)
+{
+        if (radeon_dynclks != -1 && radeon_dynclks)
+                radeon_atom_set_clock_gating(rdev, 1);
+        /* We need to force on some of the block */
+        WREG32_PLL(R_00000F_CP_DYN_CNTL,
+                RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
+        WREG32_PLL(R_000011_E2_DYN_CNTL,
+                RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
+        WREG32_PLL(R_000013_IDCT_DYN_CNTL,
+                RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
+}
+
+static int rv515_startup(struct radeon_device *rdev)
+{
+        int r;
+
+        rv515_mc_program(rdev);
+        /* Resume clock */
+        rv515_clock_startup(rdev);
+        /* Initialize GPU configuration (# pipes, ...) */
+        rv515_gpu_init(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;
+        }
+        /* Enable IRQ */
+        rdev->irq.sw_int = true;
+        rs600_irq_set(rdev);
+        /* 1M ring buffer */
+        r = r100_cp_init(rdev, 1024 * 1024);
+        if (r) {
+                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
+                return r;
+        }
+        r = r100_wb_init(rdev);
+        if (r)
+                dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
+        r = r100_ib_init(rdev);
+        if (r) {
+                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
+                return r;
+        }
+        return 0;
+}
+
+int rv515_resume(struct radeon_device *rdev)
+{
+        /* Make sur GART are not working */
+        if (rdev->flags & RADEON_IS_PCIE)
+                rv370_pcie_gart_disable(rdev);
+        /* Resume clock before doing reset */
+        rv515_clock_startup(rdev);
+        /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+        if (radeon_gpu_reset(rdev)) {
+                dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+                        RREG32(R_000E40_RBBM_STATUS),
+                        RREG32(R_0007C0_CP_STAT));
+        }
+        /* post */
+        atom_asic_init(rdev->mode_info.atom_context);
+        /* Resume clock after posting */
+        rv515_clock_startup(rdev);
+        return rv515_startup(rdev);
+}
+
+int rv515_suspend(struct radeon_device *rdev)
+{
+        r100_cp_disable(rdev);
+        r100_wb_disable(rdev);
+        rs600_irq_disable(rdev);
+        if (rdev->flags & RADEON_IS_PCIE)
+                rv370_pcie_gart_disable(rdev);
+        return 0;
+}
+
+void rv515_set_safe_registers(struct radeon_device *rdev)
 {
         rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
         rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
+}
+
+void rv515_fini(struct radeon_device *rdev)
+{
+        rv515_suspend(rdev);
+        r100_cp_fini(rdev);
+        r100_wb_fini(rdev);
+        r100_ib_fini(rdev);
+        radeon_gem_fini(rdev);
+    rv370_pcie_gart_fini(rdev);
+        radeon_agp_fini(rdev);
+        radeon_irq_kms_fini(rdev);
+        radeon_fence_driver_fini(rdev);
+        radeon_object_fini(rdev);
+        radeon_atombios_fini(rdev);
+        kfree(rdev->bios);
+        rdev->bios = NULL;
+}
+
+int rv515_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 */
+        /* BIOS*/
+        if (!radeon_get_bios(rdev)) {
+                if (ASIC_IS_AVIVO(rdev))
+                        return -EINVAL;
+        }
+        if (rdev->is_atom_bios) {
+                r = radeon_atombios_init(rdev);
+                if (r)
+                        return r;
+        } else {
+                dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
+                return -EINVAL;
+        }
+        /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+        if (radeon_gpu_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_card_posted(rdev) && rdev->bios) {
+                DRM_INFO("GPU not posted. posting now...\n");
+                atom_asic_init(rdev->mode_info.atom_context);
+        }
+        /* Initialize clocks */
+        radeon_get_clock_info(rdev->ddev);
+        /* Initialize power management */
+        radeon_pm_init(rdev);
+        /* Get vram informations */
+        rv515_vram_info(rdev);
+        /* Initialize memory controller (also test AGP) */
+        r = r420_mc_init(rdev);
+        if (r)
+                return r;
+        rv515_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_object_init(rdev);
+        if (r)
+                return r;
+        r = rv370_pcie_gart_init(rdev);
+        if (r)
+                return r;
+        rv515_set_safe_registers(rdev);
+        rdev->accel_working = true;
+        r = rv515_startup(rdev);
+        if (r) {
+                /* Somethings want wront with the accel init stop accel */
+                dev_err(rdev->dev, "Disabling GPU acceleration\n");
+                rv515_suspend(rdev);
+                r100_cp_fini(rdev);
+                r100_wb_fini(rdev);
+                r100_ib_fini(rdev);
+                rv370_pcie_gart_fini(rdev);
+                radeon_agp_fini(rdev);
+                radeon_irq_kms_fini(rdev);
+                rdev->accel_working = false;
+        }
         return 0;
 }