]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - drivers/gpu/drm/radeon/r420.c
drm/radeon/kms: Remove old init path as no hw use it anymore
[net-next-2.6.git] / drivers / gpu / drm / radeon / r420.c
index dea497a979f2083548d491ca9505571696f6ecea..5c7fe52de30e2688132f6cb5e188f9b6df101cc8 100644 (file)
 #include "drmP.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "atom.h"
+#include "r420d.h"
 
-/* r420,r423,rv410 depends on : */
-void r100_pci_gart_disable(struct radeon_device *rdev);
-void r100_hdp_reset(struct radeon_device *rdev);
-void r100_mc_setup(struct radeon_device *rdev);
-int r100_gui_wait_for_idle(struct radeon_device *rdev);
-void r100_mc_disable_clients(struct radeon_device *rdev);
-void r300_vram_info(struct radeon_device *rdev);
-int r300_mc_wait_for_idle(struct radeon_device *rdev);
-int rv370_pcie_gart_enable(struct radeon_device *rdev);
-void rv370_pcie_gart_disable(struct radeon_device *rdev);
-
-/* This files gather functions specifics to :
- * r420,r423,rv410
- *
- * Some of these functions might be used by newer ASICs.
- */
-void r420_gpu_init(struct radeon_device *rdev);
-int r420_debugfs_pipes_info_init(struct radeon_device *rdev);
-
-
-/*
- * MC
- */
 int r420_mc_init(struct radeon_device *rdev)
 {
        int r;
 
-       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");
-       }
-
-       r420_gpu_init(rdev);
-       r100_pci_gart_disable(rdev);
-       if (rdev->flags & RADEON_IS_PCIE) {
-               rv370_pcie_gart_disable(rdev);
-       }
-
        /* Setup GPU memory space */
        rdev->mc.vram_location = 0xFFFFFFFFUL;
        rdev->mc.gtt_location = 0xFFFFFFFFUL;
@@ -87,33 +53,9 @@ int r420_mc_init(struct radeon_device *rdev)
        if (r) {
                return r;
        }
-
-       /* Program GPU memory space */
-       r100_mc_disable_clients(rdev);
-       if (r300_mc_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait MC idle while "
-                      "programming pipes. Bad things might happen.\n");
-       }
-       r100_mc_setup(rdev);
        return 0;
 }
 
-void r420_mc_fini(struct radeon_device *rdev)
-{
-       rv370_pcie_gart_disable(rdev);
-       radeon_gart_table_vram_free(rdev);
-       radeon_gart_fini(rdev);
-}
-
-
-/*
- * Global GPU functions
- */
-void r420_errata(struct radeon_device *rdev)
-{
-       rdev->pll_errata = 0;
-}
-
 void r420_pipes_init(struct radeon_device *rdev)
 {
        unsigned tmp;
@@ -122,6 +64,11 @@ void r420_pipes_init(struct radeon_device *rdev)
 
        /* GA_ENHANCE workaround TCL deadlock issue */
        WREG32(0x4274, (1 << 0) | (1 << 1) | (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(0x402C);
        num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
@@ -165,28 +112,257 @@ void r420_pipes_init(struct radeon_device *rdev)
                printk(KERN_WARNING "Failed to wait GUI idle while "
                       "programming pipes. Bad things might happen.\n");
        }
-       DRM_INFO("radeon: %d pipes initialized.\n", rdev->num_gb_pipes);
+
+       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);
 }
 
-void r420_gpu_init(struct radeon_device *rdev)
+u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg)
 {
-       r100_hdp_reset(rdev);
+       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 int r420_startup(struct radeon_device *rdev)
+{
+       int r;
+
+       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);
-       if (r300_mc_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait MC idle while "
-                      "programming pipes. Bad things might happen.\n");
+       /* Enable IRQ */
+       rdev->irq.sw_int = true;
+       r100_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 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_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 (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);
 
-/*
- * r420,r423,rv410 VRAM info
- */
-void r420_vram_info(struct radeon_device *rdev)
+       return r420_startup(rdev);
+}
+
+int r420_suspend(struct radeon_device *rdev)
 {
-       r300_vram_info(rdev);
+       r100_cp_disable(rdev);
+       r100_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);
+       r100_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_object_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 */
+       /* 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_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");
+               if (rdev->is_atom_bios) {
+                       atom_asic_init(rdev->mode_info.atom_context);
+               } else {
+                       radeon_combios_asic_init(rdev->ddev);
+               }
+       }
+       /* Initialize clocks */
+       radeon_get_clock_info(rdev->ddev);
+       /* Get vram informations */
+       r300_vram_info(rdev);
+       /* Initialize memory controller (also test AGP) */
+       r = r420_mc_init(rdev);
+       if (r) {
+               return r;
+       }
+       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_object_init(rdev);
+       if (r) {
+               return r;
+       }
+       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;
+       }
+       r300_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");
+               r420_suspend(rdev);
+               r100_cp_fini(rdev);
+               r100_wb_fini(rdev);
+               r100_ib_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);
+               rdev->accel_working = false;
+       }
+       return 0;
+}
 
 /*
  * Debugfs info