drm/radeon/kms: enable hpd support
[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / rs600.c
index 9e4fdc1..fd5ab01 100644 (file)
 void rs600_gpu_init(struct radeon_device *rdev);
 int rs600_mc_wait_for_idle(struct radeon_device *rdev);
 
+int rs600_mc_init(struct radeon_device *rdev)
+{
+       /* read back the MC value from the hw */
+       int r;
+       u32 tmp;
+
+       /* Setup GPU memory space */
+       tmp = RREG32_MC(R_000004_MC_FB_LOCATION);
+       rdev->mc.vram_location = G_000004_MC_FB_START(tmp) << 16;
+       rdev->mc.gtt_location = 0xffffffffUL;
+       r = radeon_mc_setup(rdev);
+       if (r)
+               return r;
+       return 0;
+}
+
+/* hpd for digital panel detect/disconnect */
+bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
+{
+       u32 tmp;
+       bool connected = false;
+
+       switch (hpd) {
+       case RADEON_HPD_1:
+               tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
+               if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
+                       connected = true;
+               break;
+       case RADEON_HPD_2:
+               tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
+               if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
+                       connected = true;
+               break;
+       default:
+               break;
+       }
+       return connected;
+}
+
+void rs600_hpd_set_polarity(struct radeon_device *rdev,
+                           enum radeon_hpd_id hpd)
+{
+       u32 tmp;
+       bool connected = rs600_hpd_sense(rdev, hpd);
+
+       switch (hpd) {
+       case RADEON_HPD_1:
+               tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
+               if (connected)
+                       tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
+               else
+                       tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
+               WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
+               break;
+       case RADEON_HPD_2:
+               tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
+               if (connected)
+                       tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
+               else
+                       tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
+               WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
+               break;
+       default:
+               break;
+       }
+}
+
+void rs600_hpd_init(struct radeon_device *rdev)
+{
+       struct drm_device *dev = rdev->ddev;
+       struct drm_connector *connector;
+
+       list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+               struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+               switch (radeon_connector->hpd.hpd) {
+               case RADEON_HPD_1:
+                       WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
+                              S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
+                       rdev->irq.hpd[0] = true;
+                       break;
+               case RADEON_HPD_2:
+                       WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
+                              S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
+                       rdev->irq.hpd[1] = true;
+                       break;
+               default:
+                       break;
+               }
+       }
+       rs600_irq_set(rdev);
+}
+
+void rs600_hpd_fini(struct radeon_device *rdev)
+{
+       struct drm_device *dev = rdev->ddev;
+       struct drm_connector *connector;
+
+       list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+               struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+               switch (radeon_connector->hpd.hpd) {
+               case RADEON_HPD_1:
+                       WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
+                              S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
+                       rdev->irq.hpd[0] = false;
+                       break;
+               case RADEON_HPD_2:
+                       WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
+                              S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
+                       rdev->irq.hpd[1] = false;
+                       break;
+               default:
+                       break;
+               }
+       }
+}
+
 /*
  * GART.
  */
@@ -100,40 +216,40 @@ int rs600_gart_enable(struct radeon_device *rdev)
        WREG32(R_00004C_BUS_CNTL, tmp);
        /* FIXME: setup default page */
        WREG32_MC(R_000100_MC_PT0_CNTL,
-                (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
-                 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
+                 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
+                  S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
+
        for (i = 0; i < 19; i++) {
                WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
-                       S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
-                       S_00016C_SYSTEM_ACCESS_MODE_MASK(
-                               V_00016C_SYSTEM_ACCESS_MODE_IN_SYS) |
-                       S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
-                               V_00016C_SYSTEM_APERTURE_UNMAPPED_DEFAULT_PAGE) |
-                       S_00016C_EFFECTIVE_L1_CACHE_SIZE(1) |
-                       S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
-                       S_00016C_EFFECTIVE_L1_QUEUE_SIZE(1));
+                         S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
+                         S_00016C_SYSTEM_ACCESS_MODE_MASK(
+                                 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
+                         S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
+                                 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
+                         S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
+                         S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
+                         S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
        }
-
-       /* System context map to GART space */
-       WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.gtt_start);
-       WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.gtt_end);
-
        /* enable first context */
-       WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
-       WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
        WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
-                       S_000102_ENABLE_PAGE_TABLE(1) |
-                       S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
+                 S_000102_ENABLE_PAGE_TABLE(1) |
+                 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
+
        /* disable all other contexts */
-       for (i = 1; i < 8; i++) {
+       for (i = 1; i < 8; i++)
                WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
-       }
 
        /* setup the page table */
        WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
-                       rdev->gart.table_addr);
+                 rdev->gart.table_addr);
+       WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
+       WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
        WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
 
+       /* System context maps to VRAM space */
+       WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
+       WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
+
        /* enable page tables */
        tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
        WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
@@ -146,15 +262,20 @@ int rs600_gart_enable(struct radeon_device *rdev)
 
 void rs600_gart_disable(struct radeon_device *rdev)
 {
-       uint32_t tmp;
+       u32 tmp;
+       int r;
 
        /* FIXME: disable out of gart access */
        WREG32_MC(R_000100_MC_PT0_CNTL, 0);
        tmp = RREG32_MC(R_000009_MC_CNTL1);
        WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
        if (rdev->gart.table.vram.robj) {
-               radeon_object_kunmap(rdev->gart.table.vram.robj);
-               radeon_object_unpin(rdev->gart.table.vram.robj);
+               r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
+               if (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);
+               }
        }
 }
 
@@ -189,6 +310,10 @@ int rs600_irq_set(struct radeon_device *rdev)
 {
        uint32_t tmp = 0;
        uint32_t mode_int = 0;
+       u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
+               ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
+       u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
+               ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 
        if (rdev->irq.sw_int) {
                tmp |= S_000040_SW_INT_EN(1);
@@ -199,17 +324,26 @@ int rs600_irq_set(struct radeon_device *rdev)
        if (rdev->irq.crtc_vblank_int[1]) {
                mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
        }
+       if (rdev->irq.hpd[0]) {
+               hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
+       }
+       if (rdev->irq.hpd[1]) {
+               hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
+       }
        WREG32(R_000040_GEN_INT_CNTL, tmp);
        WREG32(R_006540_DxMODE_INT_MASK, mode_int);
+       WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
+       WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
        return 0;
 }
 
 static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int)
 {
-       uint32_t irqs = RREG32(R_000040_GEN_INT_CNTL);
-       uint32_t irq_mask = ~C_000040_SW_INT_EN;
+       uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
+       uint32_t irq_mask = ~C_000044_SW_INT;
+       u32 tmp;
 
-       if (G_000040_DISPLAY_INT_STATUS(irqs)) {
+       if (G_000044_DISPLAY_INT_STAT(irqs)) {
                *r500_disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
                if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int)) {
                        WREG32(R_006534_D1MODE_VBLANK_STATUS,
@@ -219,20 +353,42 @@ static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_
                        WREG32(R_006D34_D2MODE_VBLANK_STATUS,
                                S_006D34_D2MODE_VBLANK_ACK(1));
                }
+               if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(*r500_disp_int)) {
+                       tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
+                       tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
+                       WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
+               }
+               if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(*r500_disp_int)) {
+                       tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
+                       tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
+                       WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
+               }
        } else {
                *r500_disp_int = 0;
        }
 
        if (irqs) {
-               WREG32(R_000040_GEN_INT_CNTL, irqs);
+               WREG32(R_000044_GEN_INT_STATUS, irqs);
        }
        return irqs & irq_mask;
 }
 
+void rs600_irq_disable(struct radeon_device *rdev)
+{
+       u32 tmp;
+
+       WREG32(R_000040_GEN_INT_CNTL, 0);
+       WREG32(R_006540_DxMODE_INT_MASK, 0);
+       /* Wait and acknowledge irq */
+       mdelay(1);
+       rs600_irq_ack(rdev, &tmp);
+}
+
 int rs600_irq_process(struct radeon_device *rdev)
 {
-       uint32_t status;
+       uint32_t status, msi_rearm;
        uint32_t r500_disp_int;
+       bool queue_hotplug = false;
 
        status = rs600_irq_ack(rdev, &r500_disp_int);
        if (!status && !r500_disp_int) {
@@ -247,8 +403,34 @@ int rs600_irq_process(struct radeon_device *rdev)
                        drm_handle_vblank(rdev->ddev, 0);
                if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int))
                        drm_handle_vblank(rdev->ddev, 1);
+               if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(r500_disp_int)) {
+                       queue_hotplug = true;
+                       DRM_DEBUG("HPD1\n");
+               }
+               if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(r500_disp_int)) {
+                       queue_hotplug = true;
+                       DRM_DEBUG("HPD2\n");
+               }
                status = rs600_irq_ack(rdev, &r500_disp_int);
        }
+       if (queue_hotplug)
+               queue_work(rdev->wq, &rdev->hotplug_work);
+       if (rdev->msi_enabled) {
+               switch (rdev->family) {
+               case CHIP_RS600:
+               case CHIP_RS690:
+               case CHIP_RS740:
+                       msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
+                       WREG32(RADEON_BUS_CNTL, msi_rearm);
+                       WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
+                       break;
+               default:
+                       msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
+                       WREG32(RADEON_MSI_REARM_EN, msi_rearm);
+                       WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
+                       break;
+               }
+       }
        return IRQ_HANDLED;
 }
 
@@ -274,9 +456,7 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 
 void rs600_gpu_init(struct radeon_device *rdev)
 {
-       /* FIXME: HDP same place on rs600 ? */
        r100_hdp_reset(rdev);
-       /* FIXME: is this correct ? */
        r420_pipes_init(rdev);
        /* Wait for mc idle */
        if (rs600_mc_wait_for_idle(rdev))
@@ -285,9 +465,20 @@ void rs600_gpu_init(struct radeon_device *rdev)
 
 void rs600_vram_info(struct radeon_device *rdev)
 {
-       /* FIXME: to do or is these values sane ? */
        rdev->mc.vram_is_ddr = true;
        rdev->mc.vram_width = 128;
+
+       rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
+       rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+
+       rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+       rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+
+       if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+               rdev->mc.mc_vram_size = rdev->mc.aper_size;
+
+       if (rdev->mc.real_vram_size > rdev->mc.aper_size)
+               rdev->mc.real_vram_size = rdev->mc.aper_size;
 }
 
 void rs600_bandwidth_update(struct radeon_device *rdev)
@@ -361,7 +552,6 @@ static int rs600_startup(struct radeon_device *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);
@@ -403,7 +593,7 @@ int rs600_suspend(struct radeon_device *rdev)
 {
        r100_cp_disable(rdev);
        r100_wb_disable(rdev);
-       r100_irq_disable(rdev);
+       rs600_irq_disable(rdev);
        rs600_gart_disable(rdev);
        return 0;
 }
@@ -418,7 +608,7 @@ void rs600_fini(struct radeon_device *rdev)
        rs600_gart_fini(rdev);
        radeon_irq_kms_fini(rdev);
        radeon_fence_driver_fini(rdev);
-       radeon_object_fini(rdev);
+       radeon_bo_fini(rdev);
        radeon_atombios_fini(rdev);
        kfree(rdev->bios);
        rdev->bios = NULL;
@@ -428,7 +618,6 @@ int rs600_init(struct radeon_device *rdev)
 {
        int r;
 
-       rdev->new_init_path = true;
        /* Disable VGA */
        rv515_vga_render_disable(rdev);
        /* Initialize scratch registers */
@@ -456,16 +645,17 @@ int rs600_init(struct radeon_device *rdev)
                        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);
-       }
+       if (radeon_boot_test_post_card(rdev) == false)
+               return -EINVAL;
+
        /* Initialize clocks */
        radeon_get_clock_info(rdev->ddev);
+       /* Initialize power management */
+       radeon_pm_init(rdev);
        /* Get vram informations */
        rs600_vram_info(rdev);
        /* Initialize memory controller (also test AGP) */
-       r = r420_mc_init(rdev);
+       r = rs600_mc_init(rdev);
        if (r)
                return r;
        rs600_debugfs(rdev);
@@ -477,7 +667,7 @@ int rs600_init(struct radeon_device *rdev)
        if (r)
                return r;
        /* Memory manager */
-       r = radeon_object_init(rdev);
+       r = radeon_bo_init(rdev);
        if (r)
                return r;
        r = rs600_gart_init(rdev);