// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2012 Russell King * Rewritten from the dovefb driver, and Armada510 manuals. */ #include #include #include #include #include #include #include #include "armada_crtc.h" #include "armada_drm.h" #include "armada_fb.h" #include "armada_gem.h" #include "armada_hw.h" #include "armada_ioctlP.h" #include "armada_plane.h" #include "armada_trace.h" #define DEFAULT_BRIGHTNESS 0 #define DEFAULT_CONTRAST 0x4000 #define DEFAULT_SATURATION 0x4000 #define DEFAULT_ENCODING DRM_COLOR_YCBCR_BT601 struct armada_overlay_state { struct armada_plane_state base; u32 colorkey_yr; u32 colorkey_ug; u32 colorkey_vb; u32 colorkey_mode; u32 colorkey_enable; s16 brightness; u16 contrast; u16 saturation; }; #define drm_to_overlay_state(s) \ container_of(s, struct armada_overlay_state, base.base) static inline u32 armada_spu_contrast(struct drm_plane_state *state) { return drm_to_overlay_state(state)->brightness << 16 | drm_to_overlay_state(state)->contrast; } static inline u32 armada_spu_saturation(struct drm_plane_state *state) { /* Docs say 15:0, but it seems to actually be 31:16 on Armada 510 */ return drm_to_overlay_state(state)->saturation << 16; } static inline u32 armada_csc(struct drm_plane_state *state) { /* * The CFG_CSC_RGB_* settings control the output of the colour space * converter, setting the range of output values it produces. Since * we will be blending with the full-range graphics, we need to * produce full-range RGB output from the conversion. */ return CFG_CSC_RGB_COMPUTER | (state->color_encoding == DRM_COLOR_YCBCR_BT709 ? CFG_CSC_YUV_CCIR709 : CFG_CSC_YUV_CCIR601); } /* === Plane support === */ static void armada_drm_overlay_plane_atomic_update(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane); struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); struct armada_crtc *dcrtc; struct armada_regs *regs; unsigned int idx; u32 cfg, cfg_mask, val; DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name); if (!new_state->fb || WARN_ON(!new_state->crtc)) return; DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n", plane->base.id, plane->name, new_state->crtc->base.id, new_state->crtc->name, new_state->fb->base.id, old_state->visible, new_state->visible); dcrtc = drm_to_armada_crtc(new_state->crtc); regs = dcrtc->regs + dcrtc->regs_idx; idx = 0; if (!old_state->visible && new_state->visible) armada_reg_queue_mod(regs, idx, 0, CFG_PDWN16x66 | CFG_PDWN32x66, LCD_SPU_SRAM_PARA1); val = armada_src_hw(new_state); if (armada_src_hw(old_state) != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_HPXL_VLN); val = armada_dst_yx(new_state); if (armada_dst_yx(old_state) != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN); val = armada_dst_hw(new_state); if (armada_dst_hw(old_state) != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_DZM_HPXL_VLN); /* FIXME: overlay on an interlaced display */ if (old_state->src.x1 != new_state->src.x1 || old_state->src.y1 != new_state->src.y1 || old_state->fb != new_state->fb || new_state->crtc->state->mode_changed) { const struct drm_format_info *format; u16 src_x; armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 0), LCD_SPU_DMA_START_ADDR_Y0); armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 1), LCD_SPU_DMA_START_ADDR_U0); armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 2), LCD_SPU_DMA_START_ADDR_V0); armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 0), LCD_SPU_DMA_START_ADDR_Y1); armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 1), LCD_SPU_DMA_START_ADDR_U1); armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 2), LCD_SPU_DMA_START_ADDR_V1); val = armada_pitch(new_state, 0) << 16 | armada_pitch(new_state, 0); armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_YC); val = armada_pitch(new_state, 1) << 16 | armada_pitch(new_state, 2); armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_UV); cfg = CFG_DMA_FMT(drm_fb_to_armada_fb(new_state->fb)->fmt) | CFG_DMA_MOD(drm_fb_to_armada_fb(new_state->fb)->mod) | CFG_CBSH_ENA; if (new_state->visible) cfg |= CFG_DMA_ENA; /* * Shifting a YUV packed format image by one pixel causes the * U/V planes to swap. Compensate for it by also toggling * the UV swap. */ format = new_state->fb->format; src_x = new_state->src.x1 >> 16; if (format->num_planes == 1 && src_x & (format->hsub - 1)) cfg ^= CFG_DMA_MOD(CFG_SWAPUV); if (to_armada_plane_state(new_state)->interlace) cfg |= CFG_DMA_FTOGGLE; cfg_mask = CFG_CBSH_ENA | CFG_DMAFORMAT | CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV | CFG_SWAPYU | CFG_YUV2RGB) | CFG_DMA_FTOGGLE | CFG_DMA_TSTMODE | CFG_DMA_ENA; } else if (old_state->visible != new_state->visible) { cfg = new_state->visible ? CFG_DMA_ENA : 0; cfg_mask = CFG_DMA_ENA; } else { cfg = cfg_mask = 0; } if (drm_rect_width(&old_state->src) != drm_rect_width(&new_state->src) || drm_rect_width(&old_state->dst) != drm_rect_width(&new_state->dst)) { cfg_mask |= CFG_DMA_HSMOOTH; if (drm_rect_width(&new_state->src) >> 16 != drm_rect_width(&new_state->dst)) cfg |= CFG_DMA_HSMOOTH; } if (cfg_mask) armada_reg_queue_mod(regs, idx, cfg, cfg_mask, LCD_SPU_DMA_CTRL0); val = armada_spu_contrast(new_state); if ((!old_state->visible && new_state->visible) || armada_spu_contrast(old_state) != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_CONTRAST); val = armada_spu_saturation(new_state); if ((!old_state->visible && new_state->visible) || armada_spu_saturation(old_state) != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_SATURATION); if (!old_state->visible && new_state->visible) armada_reg_queue_set(regs, idx, 0x00002000, LCD_SPU_CBSH_HUE); val = armada_csc(new_state); if ((!old_state->visible && new_state->visible) || armada_csc(old_state) != val) armada_reg_queue_mod(regs, idx, val, CFG_CSC_MASK, LCD_SPU_IOPAD_CONTROL); val = drm_to_overlay_state(new_state)->colorkey_yr; if ((!old_state->visible && new_state->visible) || drm_to_overlay_state(old_state)->colorkey_yr != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_Y); val = drm_to_overlay_state(new_state)->colorkey_ug; if ((!old_state->visible && new_state->visible) || drm_to_overlay_state(old_state)->colorkey_ug != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_U); val = drm_to_overlay_state(new_state)->colorkey_vb; if ((!old_state->visible && new_state->visible) || drm_to_overlay_state(old_state)->colorkey_vb != val) armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_V); val = drm_to_overlay_state(new_state)->colorkey_mode; if ((!old_state->visible && new_state->visible) || drm_to_overlay_state(old_state)->colorkey_mode != val) armada_reg_queue_mod(regs, idx, val, CFG_CKMODE_MASK | CFG_ALPHAM_MASK | CFG_ALPHA_MASK, LCD_SPU_DMA_CTRL1); val = drm_to_overlay_state(new_state)->colorkey_enable; if (((!old_state->visible && new_state->visible) || drm_to_overlay_state(old_state)->colorkey_enable != val) && dcrtc->variant->has_spu_adv_reg) armada_reg_queue_mod(regs, idx, val, ADV_GRACOLORKEY | ADV_VIDCOLORKEY, LCD_SPU_ADV_REG); dcrtc->regs_idx += idx; } static void armada_drm_overlay_plane_atomic_disable(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane); struct armada_crtc *dcrtc; struct armada_regs *regs; unsigned int idx = 0; DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name); if (!old_state->crtc) return; DRM_DEBUG_KMS("[PLANE:%d:%s] was on [CRTC:%d:%s] with [FB:%d]\n", plane->base.id, plane->name, old_state->crtc->base.id, old_state->crtc->name, old_state->fb->base.id); dcrtc = drm_to_armada_crtc(old_state->crtc); regs = dcrtc->regs + dcrtc->regs_idx; /* Disable plane and power down the YUV FIFOs */ armada_reg_queue_mod(regs, idx, 0, CFG_DMA_ENA, LCD_SPU_DMA_CTRL0); armada_reg_queue_mod(regs, idx, CFG_PDWN16x66 | CFG_PDWN32x66, 0, LCD_SPU_SRAM_PARA1); dcrtc->regs_idx += idx; } static const struct drm_plane_helper_funcs armada_overlay_plane_helper_funcs = { .atomic_check = armada_drm_plane_atomic_check, .atomic_update = armada_drm_overlay_plane_atomic_update, .atomic_disable = armada_drm_overlay_plane_atomic_disable, }; static int armada_overlay_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, unsigned crtc_w, unsigned crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h, struct drm_modeset_acquire_ctx *ctx) { struct drm_atomic_state *state; struct drm_plane_state *plane_state; int ret = 0; trace_armada_ovl_plane_update(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h); state = drm_atomic_state_alloc(plane->dev); if (!state) return -ENOMEM; state->acquire_ctx = ctx; plane_state = drm_atomic_get_plane_state(state, plane); if (IS_ERR(plane_state)) { ret = PTR_ERR(plane_state); goto fail; } ret = drm_atomic_set_crtc_for_plane(plane_state, crtc); if (ret != 0) goto fail; drm_atomic_set_fb_for_plane(plane_state, fb); plane_state->crtc_x = crtc_x; plane_state->crtc_y = crtc_y; plane_state->crtc_h = crtc_h; plane_state->crtc_w = crtc_w; plane_state->src_x = src_x; plane_state->src_y = src_y; plane_state->src_h = src_h; plane_state->src_w = src_w; ret = drm_atomic_nonblocking_commit(state); fail: drm_atomic_state_put(state); return ret; } static void armada_ovl_plane_destroy(struct drm_plane *plane) { drm_plane_cleanup(plane); kfree(plane); } static void armada_overlay_reset(struct drm_plane *plane) { struct armada_overlay_state *state; if (plane->state) __drm_atomic_helper_plane_destroy_state(plane->state); kfree(plane->state); plane->state = NULL; state = kzalloc(sizeof(*state), GFP_KERNEL); if (state) { state->colorkey_yr = 0xfefefe00; state->colorkey_ug = 0x01010100; state->colorkey_vb = 0x01010100; state->colorkey_mode = CFG_CKMODE(CKMODE_RGB) | CFG_ALPHAM_GRA | CFG_ALPHA(0); state->colorkey_enable = ADV_GRACOLORKEY; state->brightness = DEFAULT_BRIGHTNESS; state->contrast = DEFAULT_CONTRAST; state->saturation = DEFAULT_SATURATION; __drm_atomic_helper_plane_reset(plane, &state->base.base); state->base.base.color_encoding = DEFAULT_ENCODING; state->base.base.color_range = DRM_COLOR_YCBCR_LIMITED_RANGE; } } static struct drm_plane_state * armada_overlay_duplicate_state(struct drm_plane *plane) { struct armada_overlay_state *state; if (WARN_ON(!plane->state)) return NULL; state = kmemdup(plane->state, sizeof(*state), GFP_KERNEL); if (state) __drm_atomic_helper_plane_duplicate_state(plane, &state->base.base); return &state->base.base; } static int armada_overlay_set_property(struct drm_plane *plane, struct drm_plane_state *state, struct drm_property *property, uint64_t val) { struct armada_private *priv = drm_to_armada_dev(plane->dev); #define K2R(val) (((val) >> 0) & 0xff) #define K2G(val) (((val) >> 8) & 0xff) #define K2B(val) (((val) >> 16) & 0xff) if (property == priv->colorkey_prop) { #define CCC(v) ((v) << 24 | (v) << 16 | (v) << 8) drm_to_overlay_state(state)->colorkey_yr = CCC(K2R(val)); drm_to_overlay_state(state)->colorkey_ug = CCC(K2G(val)); drm_to_overlay_state(state)->colorkey_vb = CCC(K2B(val)); #undef CCC } else if (property == priv->colorkey_min_prop) { drm_to_overlay_state(state)->colorkey_yr &= ~0x00ff0000; drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 16; drm_to_overlay_state(state)->colorkey_ug &= ~0x00ff0000; drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 16; drm_to_overlay_state(state)->colorkey_vb &= ~0x00ff0000; drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 16; } else if (property == priv->colorkey_max_prop) { drm_to_overlay_state(state)->colorkey_yr &= ~0xff000000; drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 24; drm_to_overlay_state(state)->colorkey_ug &= ~0xff000000; drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 24; drm_to_overlay_state(state)->colorkey_vb &= ~0xff000000; drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 24; } else if (property == priv->colorkey_val_prop) { drm_to_overlay_state(state)->colorkey_yr &= ~0x0000ff00; drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 8; drm_to_overlay_state(state)->colorkey_ug &= ~0x0000ff00; drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 8; drm_to_overlay_state(state)->colorkey_vb &= ~0x0000ff00; drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 8; } else if (property == priv->colorkey_alpha_prop) { drm_to_overlay_state(state)->colorkey_yr &= ~0x000000ff; drm_to_overlay_state(state)->colorkey_yr |= K2R(val); drm_to_overlay_state(state)->colorkey_ug &= ~0x000000ff; drm_to_overlay_state(state)->colorkey_ug |= K2G(val); drm_to_overlay_state(state)->colorkey_vb &= ~0x000000ff; drm_to_overlay_state(state)->colorkey_vb |= K2B(val); } else if (property == priv->colorkey_mode_prop) { if (val == CKMODE_DISABLE) { drm_to_overlay_state(state)->colorkey_mode = CFG_CKMODE(CKMODE_DISABLE) | CFG_ALPHAM_CFG | CFG_ALPHA(255); drm_to_overlay_state(state)->colorkey_enable = 0; } else { drm_to_overlay_state(state)->colorkey_mode = CFG_CKMODE(val) | CFG_ALPHAM_GRA | CFG_ALPHA(0); drm_to_overlay_state(state)->colorkey_enable = ADV_GRACOLORKEY; } } else if (property == priv->brightness_prop) { drm_to_overlay_state(state)->brightness = val - 256; } else if (property == priv->contrast_prop) { drm_to_overlay_state(state)->contrast = val; } else if (property == priv->saturation_prop) { drm_to_overlay_state(state)->saturation = val; } else { return -EINVAL; } return 0; } static int armada_overlay_get_property(struct drm_plane *plane, const struct drm_plane_state *state, struct drm_property *property, uint64_t *val) { struct armada_private *priv = drm_to_armada_dev(plane->dev); #define C2K(c,s) (((c) >> (s)) & 0xff) #define R2BGR(r,g,b,s) (C2K(r,s) << 0 | C2K(g,s) << 8 | C2K(b,s) << 16) if (property == priv->colorkey_prop) { /* Do best-efforts here for this property */ *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr, drm_to_overlay_state(state)->colorkey_ug, drm_to_overlay_state(state)->colorkey_vb, 16); /* If min != max, or min != val, error out */ if (*val != R2BGR(drm_to_overlay_state(state)->colorkey_yr, drm_to_overlay_state(state)->colorkey_ug, drm_to_overlay_state(state)->colorkey_vb, 24) || *val != R2BGR(drm_to_overlay_state(state)->colorkey_yr, drm_to_overlay_state(state)->colorkey_ug, drm_to_overlay_state(state)->colorkey_vb, 8)) return -EINVAL; } else if (property == priv->colorkey_min_prop) { *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr, drm_to_overlay_state(state)->colorkey_ug, drm_to_overlay_state(state)->colorkey_vb, 16); } else if (property == priv->colorkey_max_prop) { *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr, drm_to_overlay_state(state)->colorkey_ug, drm_to_overlay_state(state)->colorkey_vb, 24); } else if (property == priv->colorkey_val_prop) { *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr, drm_to_overlay_state(state)->colorkey_ug, drm_to_overlay_state(state)->colorkey_vb, 8); } else if (property == priv->colorkey_alpha_prop) { *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr, drm_to_overlay_state(state)->colorkey_ug, drm_to_overlay_state(state)->colorkey_vb, 0); } else if (property == priv->colorkey_mode_prop) { *val = FIELD_GET(CFG_CKMODE_MASK, drm_to_overlay_state(state)->colorkey_mode); } else if (property == priv->brightness_prop) { *val = drm_to_overlay_state(state)->brightness + 256; } else if (property == priv->contrast_prop) { *val = drm_to_overlay_state(state)->contrast; } else if (property == priv->saturation_prop) { *val = drm_to_overlay_state(state)->saturation; } else { return -EINVAL; } return 0; } static const struct drm_plane_funcs armada_ovl_plane_funcs = { .update_plane = armada_overlay_plane_update, .disable_plane = drm_atomic_helper_disable_plane, .destroy = armada_ovl_plane_destroy, .reset = armada_overlay_reset, .atomic_duplicate_state = armada_overlay_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, .atomic_set_property = armada_overlay_set_property, .atomic_get_property = armada_overlay_get_property, }; static const uint32_t armada_ovl_formats[] = { DRM_FORMAT_UYVY, DRM_FORMAT_YUYV, DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, DRM_FORMAT_YUV422, DRM_FORMAT_YVU422, DRM_FORMAT_VYUY, DRM_FORMAT_YVYU, DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888, DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555, DRM_FORMAT_RGB565, DRM_FORMAT_BGR565, }; static const struct drm_prop_enum_list armada_drm_colorkey_enum_list[] = { { CKMODE_DISABLE, "disabled" }, { CKMODE_Y, "Y component" }, { CKMODE_U, "U component" }, { CKMODE_V, "V component" }, { CKMODE_RGB, "RGB" }, { CKMODE_R, "R component" }, { CKMODE_G, "G component" }, { CKMODE_B, "B component" }, }; static int armada_overlay_create_properties(struct drm_device *dev) { struct armada_private *priv = drm_to_armada_dev(dev); if (priv->colorkey_prop) return 0; priv->colorkey_prop = drm_property_create_range(dev, 0, "colorkey", 0, 0xffffff); priv->colorkey_min_prop = drm_property_create_range(dev, 0, "colorkey_min", 0, 0xffffff); priv->colorkey_max_prop = drm_property_create_range(dev, 0, "colorkey_max", 0, 0xffffff); priv->colorkey_val_prop = drm_property_create_range(dev, 0, "colorkey_val", 0, 0xffffff); priv->colorkey_alpha_prop = drm_property_create_range(dev, 0, "colorkey_alpha", 0, 0xffffff); priv->colorkey_mode_prop = drm_property_create_enum(dev, 0, "colorkey_mode", armada_drm_colorkey_enum_list, ARRAY_SIZE(armada_drm_colorkey_enum_list)); priv->brightness_prop = drm_property_create_range(dev, 0, "brightness", 0, 256 + 255); priv->contrast_prop = drm_property_create_range(dev, 0, "contrast", 0, 0x7fff); priv->saturation_prop = drm_property_create_range(dev, 0, "saturation", 0, 0x7fff); if (!priv->colorkey_prop) return -ENOMEM; return 0; } int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs) { struct armada_private *priv = drm_to_armada_dev(dev); struct drm_mode_object *mobj; struct drm_plane *overlay; int ret; ret = armada_overlay_create_properties(dev); if (ret) return ret; overlay = kzalloc(sizeof(*overlay), GFP_KERNEL); if (!overlay) return -ENOMEM; drm_plane_helper_add(overlay, &armada_overlay_plane_helper_funcs); ret = drm_universal_plane_init(dev, overlay, crtcs, &armada_ovl_plane_funcs, armada_ovl_formats, ARRAY_SIZE(armada_ovl_formats), NULL, DRM_PLANE_TYPE_OVERLAY, NULL); if (ret) { kfree(overlay); return ret; } mobj = &overlay->base; drm_object_attach_property(mobj, priv->colorkey_prop, 0x0101fe); drm_object_attach_property(mobj, priv->colorkey_min_prop, 0x0101fe); drm_object_attach_property(mobj, priv->colorkey_max_prop, 0x0101fe); drm_object_attach_property(mobj, priv->colorkey_val_prop, 0x0101fe); drm_object_attach_property(mobj, priv->colorkey_alpha_prop, 0x000000); drm_object_attach_property(mobj, priv->colorkey_mode_prop, CKMODE_RGB); drm_object_attach_property(mobj, priv->brightness_prop, 256 + DEFAULT_BRIGHTNESS); drm_object_attach_property(mobj, priv->contrast_prop, DEFAULT_CONTRAST); drm_object_attach_property(mobj, priv->saturation_prop, DEFAULT_SATURATION); ret = drm_plane_create_color_properties(overlay, BIT(DRM_COLOR_YCBCR_BT601) | BIT(DRM_COLOR_YCBCR_BT709), BIT(DRM_COLOR_YCBCR_LIMITED_RANGE), DEFAULT_ENCODING, DRM_COLOR_YCBCR_LIMITED_RANGE); return ret; }