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path: root/drivers/gpu/drm/tegra/dc.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
-rw-r--r--drivers/gpu/drm/tegra/dc.c657
1 files changed, 388 insertions, 269 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index edb871d7d395cb..ef40381f3909e3 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -17,6 +17,7 @@
struct tegra_dc_soc_info {
bool supports_interlacing;
+ bool supports_cursor;
};
struct tegra_plane {
@@ -29,6 +30,254 @@ static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane)
return container_of(plane, struct tegra_plane, base);
}
+static unsigned int tegra_dc_format(uint32_t format, uint32_t *swap)
+{
+ /* assume no swapping of fetched data */
+ if (swap)
+ *swap = BYTE_SWAP_NOSWAP;
+
+ switch (format) {
+ case DRM_FORMAT_XBGR8888:
+ return WIN_COLOR_DEPTH_R8G8B8A8;
+
+ case DRM_FORMAT_XRGB8888:
+ return WIN_COLOR_DEPTH_B8G8R8A8;
+
+ case DRM_FORMAT_RGB565:
+ return WIN_COLOR_DEPTH_B5G6R5;
+
+ case DRM_FORMAT_UYVY:
+ return WIN_COLOR_DEPTH_YCbCr422;
+
+ case DRM_FORMAT_YUYV:
+ if (swap)
+ *swap = BYTE_SWAP_SWAP2;
+
+ return WIN_COLOR_DEPTH_YCbCr422;
+
+ case DRM_FORMAT_YUV420:
+ return WIN_COLOR_DEPTH_YCbCr420P;
+
+ case DRM_FORMAT_YUV422:
+ return WIN_COLOR_DEPTH_YCbCr422P;
+
+ default:
+ break;
+ }
+
+ WARN(1, "unsupported pixel format %u, using default\n", format);
+ return WIN_COLOR_DEPTH_B8G8R8A8;
+}
+
+static bool tegra_dc_format_is_yuv(unsigned int format, bool *planar)
+{
+ switch (format) {
+ case WIN_COLOR_DEPTH_YCbCr422:
+ case WIN_COLOR_DEPTH_YUV422:
+ if (planar)
+ *planar = false;
+
+ return true;
+
+ case WIN_COLOR_DEPTH_YCbCr420P:
+ case WIN_COLOR_DEPTH_YUV420P:
+ case WIN_COLOR_DEPTH_YCbCr422P:
+ case WIN_COLOR_DEPTH_YUV422P:
+ case WIN_COLOR_DEPTH_YCbCr422R:
+ case WIN_COLOR_DEPTH_YUV422R:
+ case WIN_COLOR_DEPTH_YCbCr422RA:
+ case WIN_COLOR_DEPTH_YUV422RA:
+ if (planar)
+ *planar = true;
+
+ return true;
+ }
+
+ return false;
+}
+
+static inline u32 compute_dda_inc(unsigned int in, unsigned int out, bool v,
+ unsigned int bpp)
+{
+ fixed20_12 outf = dfixed_init(out);
+ fixed20_12 inf = dfixed_init(in);
+ u32 dda_inc;
+ int max;
+
+ if (v)
+ max = 15;
+ else {
+ switch (bpp) {
+ case 2:
+ max = 8;
+ break;
+
+ default:
+ WARN_ON_ONCE(1);
+ /* fallthrough */
+ case 4:
+ max = 4;
+ break;
+ }
+ }
+
+ outf.full = max_t(u32, outf.full - dfixed_const(1), dfixed_const(1));
+ inf.full -= dfixed_const(1);
+
+ dda_inc = dfixed_div(inf, outf);
+ dda_inc = min_t(u32, dda_inc, dfixed_const(max));
+
+ return dda_inc;
+}
+
+static inline u32 compute_initial_dda(unsigned int in)
+{
+ fixed20_12 inf = dfixed_init(in);
+ return dfixed_frac(inf);
+}
+
+static int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
+ const struct tegra_dc_window *window)
+{
+ unsigned h_offset, v_offset, h_size, v_size, h_dda, v_dda, bpp;
+ unsigned long value;
+ bool yuv, planar;
+
+ /*
+ * For YUV planar modes, the number of bytes per pixel takes into
+ * account only the luma component and therefore is 1.
+ */
+ yuv = tegra_dc_format_is_yuv(window->format, &planar);
+ if (!yuv)
+ bpp = window->bits_per_pixel / 8;
+ else
+ bpp = planar ? 1 : 2;
+
+ value = WINDOW_A_SELECT << index;
+ tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
+
+ tegra_dc_writel(dc, window->format, DC_WIN_COLOR_DEPTH);
+ tegra_dc_writel(dc, window->swap, DC_WIN_BYTE_SWAP);
+
+ value = V_POSITION(window->dst.y) | H_POSITION(window->dst.x);
+ tegra_dc_writel(dc, value, DC_WIN_POSITION);
+
+ value = V_SIZE(window->dst.h) | H_SIZE(window->dst.w);
+ tegra_dc_writel(dc, value, DC_WIN_SIZE);
+
+ h_offset = window->src.x * bpp;
+ v_offset = window->src.y;
+ h_size = window->src.w * bpp;
+ v_size = window->src.h;
+
+ value = V_PRESCALED_SIZE(v_size) | H_PRESCALED_SIZE(h_size);
+ tegra_dc_writel(dc, value, DC_WIN_PRESCALED_SIZE);
+
+ /*
+ * For DDA computations the number of bytes per pixel for YUV planar
+ * modes needs to take into account all Y, U and V components.
+ */
+ if (yuv && planar)
+ bpp = 2;
+
+ h_dda = compute_dda_inc(window->src.w, window->dst.w, false, bpp);
+ v_dda = compute_dda_inc(window->src.h, window->dst.h, true, bpp);
+
+ value = V_DDA_INC(v_dda) | H_DDA_INC(h_dda);
+ tegra_dc_writel(dc, value, DC_WIN_DDA_INC);
+
+ h_dda = compute_initial_dda(window->src.x);
+ v_dda = compute_initial_dda(window->src.y);
+
+ tegra_dc_writel(dc, h_dda, DC_WIN_H_INITIAL_DDA);
+ tegra_dc_writel(dc, v_dda, DC_WIN_V_INITIAL_DDA);
+
+ tegra_dc_writel(dc, 0, DC_WIN_UV_BUF_STRIDE);
+ tegra_dc_writel(dc, 0, DC_WIN_BUF_STRIDE);
+
+ tegra_dc_writel(dc, window->base[0], DC_WINBUF_START_ADDR);
+
+ if (yuv && planar) {
+ tegra_dc_writel(dc, window->base[1], DC_WINBUF_START_ADDR_U);
+ tegra_dc_writel(dc, window->base[2], DC_WINBUF_START_ADDR_V);
+ value = window->stride[1] << 16 | window->stride[0];
+ tegra_dc_writel(dc, value, DC_WIN_LINE_STRIDE);
+ } else {
+ tegra_dc_writel(dc, window->stride[0], DC_WIN_LINE_STRIDE);
+ }
+
+ if (window->bottom_up)
+ v_offset += window->src.h - 1;
+
+ tegra_dc_writel(dc, h_offset, DC_WINBUF_ADDR_H_OFFSET);
+ tegra_dc_writel(dc, v_offset, DC_WINBUF_ADDR_V_OFFSET);
+
+ if (window->tiled) {
+ value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV |
+ DC_WIN_BUFFER_ADDR_MODE_TILE;
+ } else {
+ value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV |
+ DC_WIN_BUFFER_ADDR_MODE_LINEAR;
+ }
+
+ tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE);
+
+ value = WIN_ENABLE;
+
+ if (yuv) {
+ /* setup default colorspace conversion coefficients */
+ tegra_dc_writel(dc, 0x00f0, DC_WIN_CSC_YOF);
+ tegra_dc_writel(dc, 0x012a, DC_WIN_CSC_KYRGB);
+ tegra_dc_writel(dc, 0x0000, DC_WIN_CSC_KUR);
+ tegra_dc_writel(dc, 0x0198, DC_WIN_CSC_KVR);
+ tegra_dc_writel(dc, 0x039b, DC_WIN_CSC_KUG);
+ tegra_dc_writel(dc, 0x032f, DC_WIN_CSC_KVG);
+ tegra_dc_writel(dc, 0x0204, DC_WIN_CSC_KUB);
+ tegra_dc_writel(dc, 0x0000, DC_WIN_CSC_KVB);
+
+ value |= CSC_ENABLE;
+ } else if (window->bits_per_pixel < 24) {
+ value |= COLOR_EXPAND;
+ }
+
+ if (window->bottom_up)
+ value |= V_DIRECTION;
+
+ tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS);
+
+ /*
+ * Disable blending and assume Window A is the bottom-most window,
+ * Window C is the top-most window and Window B is in the middle.
+ */
+ tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_NOKEY);
+ tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_1WIN);
+
+ switch (index) {
+ case 0:
+ tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_X);
+ tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_Y);
+ tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_3WIN_XY);
+ break;
+
+ case 1:
+ tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_X);
+ tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_Y);
+ tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_3WIN_XY);
+ break;
+
+ case 2:
+ tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_X);
+ tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_Y);
+ tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_3WIN_XY);
+ break;
+ }
+
+ tegra_dc_writel(dc, WIN_A_UPDATE << index, DC_CMD_STATE_CONTROL);
+ tegra_dc_writel(dc, WIN_A_ACT_REQ << index, DC_CMD_STATE_CONTROL);
+
+ return 0;
+}
+
static int tegra_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
struct drm_framebuffer *fb, int crtc_x,
int crtc_y, unsigned int crtc_w,
@@ -49,7 +298,7 @@ static int tegra_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
window.dst.y = crtc_y;
window.dst.w = crtc_w;
window.dst.h = crtc_h;
- window.format = tegra_dc_format(fb->pixel_format);
+ window.format = tegra_dc_format(fb->pixel_format, &window.swap);
window.bits_per_pixel = fb->bits_per_pixel;
window.bottom_up = tegra_fb_is_bottom_up(fb);
window.tiled = tegra_fb_is_tiled(fb);
@@ -117,6 +366,7 @@ static const uint32_t plane_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_RGB565,
DRM_FORMAT_UYVY,
+ DRM_FORMAT_YUYV,
DRM_FORMAT_YUV420,
DRM_FORMAT_YUV422,
};
@@ -150,9 +400,9 @@ static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc)
static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
struct drm_framebuffer *fb)
{
- unsigned int format = tegra_dc_format(fb->pixel_format);
struct tegra_bo *bo = tegra_fb_get_plane(fb, 0);
unsigned int h_offset = 0, v_offset = 0;
+ unsigned int format, swap;
unsigned long value;
tegra_dc_writel(dc, WINDOW_A_SELECT, DC_CMD_DISPLAY_WINDOW_HEADER);
@@ -162,7 +412,10 @@ static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
tegra_dc_writel(dc, bo->paddr + value, DC_WINBUF_START_ADDR);
tegra_dc_writel(dc, fb->pitches[0], DC_WIN_LINE_STRIDE);
+
+ format = tegra_dc_format(fb->pixel_format, &swap);
tegra_dc_writel(dc, format, DC_WIN_COLOR_DEPTH);
+ tegra_dc_writel(dc, swap, DC_WIN_BYTE_SWAP);
if (tegra_fb_is_tiled(fb)) {
value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV |
@@ -177,13 +430,13 @@ static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
/* make sure bottom-up buffers are properly displayed */
if (tegra_fb_is_bottom_up(fb)) {
value = tegra_dc_readl(dc, DC_WIN_WIN_OPTIONS);
- value |= INVERT_V;
+ value |= V_DIRECTION;
tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS);
v_offset += fb->height - 1;
} else {
value = tegra_dc_readl(dc, DC_WIN_WIN_OPTIONS);
- value &= ~INVERT_V;
+ value &= ~V_DIRECTION;
tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS);
}
@@ -225,6 +478,109 @@ void tegra_dc_disable_vblank(struct tegra_dc *dc)
spin_unlock_irqrestore(&dc->lock, flags);
}
+static int tegra_dc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file,
+ uint32_t handle, uint32_t width,
+ uint32_t height, int32_t hot_x, int32_t hot_y)
+{
+ unsigned long value = CURSOR_CLIP_DISPLAY;
+ struct tegra_dc *dc = to_tegra_dc(crtc);
+ struct drm_gem_object *gem;
+ struct tegra_bo *bo = NULL;
+
+ if (!dc->soc->supports_cursor)
+ return -ENXIO;
+
+ if (width != height)
+ return -EINVAL;
+
+ switch (width) {
+ case 32:
+ value |= CURSOR_SIZE_32x32;
+ break;
+
+ case 64:
+ value |= CURSOR_SIZE_64x64;
+ break;
+
+ case 128:
+ value |= CURSOR_SIZE_128x128;
+
+ case 256:
+ value |= CURSOR_SIZE_256x256;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ if (handle) {
+ gem = drm_gem_object_lookup(crtc->dev, file, handle);
+ if (!gem)
+ return -ENOENT;
+
+ bo = to_tegra_bo(gem);
+ }
+
+ if (bo) {
+ unsigned long addr = (bo->paddr & 0xfffffc00) >> 10;
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+ unsigned long high = (bo->paddr & 0xfffffffc) >> 32;
+#endif
+
+ tegra_dc_writel(dc, value | addr, DC_DISP_CURSOR_START_ADDR);
+
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+ tegra_dc_writel(dc, high, DC_DISP_CURSOR_START_ADDR_HI);
+#endif
+
+ value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
+ value |= CURSOR_ENABLE;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
+
+ value = tegra_dc_readl(dc, DC_DISP_BLEND_CURSOR_CONTROL);
+ value &= ~CURSOR_DST_BLEND_MASK;
+ value &= ~CURSOR_SRC_BLEND_MASK;
+ value |= CURSOR_MODE_NORMAL;
+ value |= CURSOR_DST_BLEND_NEG_K1_TIMES_SRC;
+ value |= CURSOR_SRC_BLEND_K1_TIMES_SRC;
+ value |= CURSOR_ALPHA;
+ tegra_dc_writel(dc, value, DC_DISP_BLEND_CURSOR_CONTROL);
+ } else {
+ value = tegra_dc_readl(dc, DC_DISP_DISP_WIN_OPTIONS);
+ value &= ~CURSOR_ENABLE;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS);
+ }
+
+ tegra_dc_writel(dc, CURSOR_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
+ tegra_dc_writel(dc, CURSOR_ACT_REQ, DC_CMD_STATE_CONTROL);
+
+ tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
+ tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
+
+ return 0;
+}
+
+static int tegra_dc_cursor_move(struct drm_crtc *crtc, int x, int y)
+{
+ struct tegra_dc *dc = to_tegra_dc(crtc);
+ unsigned long value;
+
+ if (!dc->soc->supports_cursor)
+ return -ENXIO;
+
+ value = ((y & 0x3fff) << 16) | (x & 0x3fff);
+ tegra_dc_writel(dc, value, DC_DISP_CURSOR_POSITION);
+
+ tegra_dc_writel(dc, CURSOR_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
+ tegra_dc_writel(dc, CURSOR_ACT_REQ, DC_CMD_STATE_CONTROL);
+
+ /* XXX: only required on generations earlier than Tegra124? */
+ tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
+ tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
+
+ return 0;
+}
+
static void tegra_dc_finish_page_flip(struct tegra_dc *dc)
{
struct drm_device *drm = dc->base.dev;
@@ -301,6 +657,8 @@ static void tegra_dc_destroy(struct drm_crtc *crtc)
}
static const struct drm_crtc_funcs tegra_crtc_funcs = {
+ .cursor_set2 = tegra_dc_cursor_set2,
+ .cursor_move = tegra_dc_cursor_move,
.page_flip = tegra_dc_page_flip,
.set_config = drm_crtc_helper_set_config,
.destroy = tegra_dc_destroy,
@@ -334,52 +692,11 @@ static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc,
return true;
}
-static inline u32 compute_dda_inc(unsigned int in, unsigned int out, bool v,
- unsigned int bpp)
-{
- fixed20_12 outf = dfixed_init(out);
- fixed20_12 inf = dfixed_init(in);
- u32 dda_inc;
- int max;
-
- if (v)
- max = 15;
- else {
- switch (bpp) {
- case 2:
- max = 8;
- break;
-
- default:
- WARN_ON_ONCE(1);
- /* fallthrough */
- case 4:
- max = 4;
- break;
- }
- }
-
- outf.full = max_t(u32, outf.full - dfixed_const(1), dfixed_const(1));
- inf.full -= dfixed_const(1);
-
- dda_inc = dfixed_div(inf, outf);
- dda_inc = min_t(u32, dda_inc, dfixed_const(max));
-
- return dda_inc;
-}
-
-static inline u32 compute_initial_dda(unsigned int in)
-{
- fixed20_12 inf = dfixed_init(in);
- return dfixed_frac(inf);
-}
-
static int tegra_dc_set_timings(struct tegra_dc *dc,
struct drm_display_mode *mode)
{
- /* TODO: For HDMI compliance, h & v ref_to_sync should be set to 1 */
- unsigned int h_ref_to_sync = 0;
- unsigned int v_ref_to_sync = 0;
+ unsigned int h_ref_to_sync = 1;
+ unsigned int v_ref_to_sync = 1;
unsigned long value;
tegra_dc_writel(dc, 0x0, DC_DISP_DISP_TIMING_OPTIONS);
@@ -406,13 +723,14 @@ static int tegra_dc_set_timings(struct tegra_dc *dc,
}
static int tegra_crtc_setup_clk(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- unsigned long *div)
+ struct drm_display_mode *mode)
{
- unsigned long pclk = mode->clock * 1000, rate;
+ unsigned long pclk = mode->clock * 1000;
struct tegra_dc *dc = to_tegra_dc(crtc);
struct tegra_output *output = NULL;
struct drm_encoder *encoder;
+ unsigned int div;
+ u32 value;
long err;
list_for_each_entry(encoder, &crtc->dev->mode_config.encoder_list, head)
@@ -425,221 +743,23 @@ static int tegra_crtc_setup_clk(struct drm_crtc *crtc,
return -ENODEV;
/*
- * This assumes that the display controller will divide its parent
- * clock by 2 to generate the pixel clock.
+ * This assumes that the parent clock is pll_d_out0 or pll_d2_out
+ * respectively, each of which divides the base pll_d by 2.
*/
- err = tegra_output_setup_clock(output, dc->clk, pclk * 2);
+ err = tegra_output_setup_clock(output, dc->clk, pclk, &div);
if (err < 0) {
dev_err(dc->dev, "failed to setup clock: %ld\n", err);
return err;
}
- rate = clk_get_rate(dc->clk);
- *div = (rate * 2 / pclk) - 2;
-
- DRM_DEBUG_KMS("rate: %lu, div: %lu\n", rate, *div);
-
- return 0;
-}
-
-static bool tegra_dc_format_is_yuv(unsigned int format, bool *planar)
-{
- switch (format) {
- case WIN_COLOR_DEPTH_YCbCr422:
- case WIN_COLOR_DEPTH_YUV422:
- if (planar)
- *planar = false;
-
- return true;
-
- case WIN_COLOR_DEPTH_YCbCr420P:
- case WIN_COLOR_DEPTH_YUV420P:
- case WIN_COLOR_DEPTH_YCbCr422P:
- case WIN_COLOR_DEPTH_YUV422P:
- case WIN_COLOR_DEPTH_YCbCr422R:
- case WIN_COLOR_DEPTH_YUV422R:
- case WIN_COLOR_DEPTH_YCbCr422RA:
- case WIN_COLOR_DEPTH_YUV422RA:
- if (planar)
- *planar = true;
-
- return true;
- }
-
- return false;
-}
-
-int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
- const struct tegra_dc_window *window)
-{
- unsigned h_offset, v_offset, h_size, v_size, h_dda, v_dda, bpp;
- unsigned long value;
- bool yuv, planar;
-
- /*
- * For YUV planar modes, the number of bytes per pixel takes into
- * account only the luma component and therefore is 1.
- */
- yuv = tegra_dc_format_is_yuv(window->format, &planar);
- if (!yuv)
- bpp = window->bits_per_pixel / 8;
- else
- bpp = planar ? 1 : 2;
-
- value = WINDOW_A_SELECT << index;
- tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
-
- tegra_dc_writel(dc, window->format, DC_WIN_COLOR_DEPTH);
- tegra_dc_writel(dc, 0, DC_WIN_BYTE_SWAP);
-
- value = V_POSITION(window->dst.y) | H_POSITION(window->dst.x);
- tegra_dc_writel(dc, value, DC_WIN_POSITION);
-
- value = V_SIZE(window->dst.h) | H_SIZE(window->dst.w);
- tegra_dc_writel(dc, value, DC_WIN_SIZE);
-
- h_offset = window->src.x * bpp;
- v_offset = window->src.y;
- h_size = window->src.w * bpp;
- v_size = window->src.h;
-
- value = V_PRESCALED_SIZE(v_size) | H_PRESCALED_SIZE(h_size);
- tegra_dc_writel(dc, value, DC_WIN_PRESCALED_SIZE);
-
- /*
- * For DDA computations the number of bytes per pixel for YUV planar
- * modes needs to take into account all Y, U and V components.
- */
- if (yuv && planar)
- bpp = 2;
-
- h_dda = compute_dda_inc(window->src.w, window->dst.w, false, bpp);
- v_dda = compute_dda_inc(window->src.h, window->dst.h, true, bpp);
-
- value = V_DDA_INC(v_dda) | H_DDA_INC(h_dda);
- tegra_dc_writel(dc, value, DC_WIN_DDA_INC);
-
- h_dda = compute_initial_dda(window->src.x);
- v_dda = compute_initial_dda(window->src.y);
-
- tegra_dc_writel(dc, h_dda, DC_WIN_H_INITIAL_DDA);
- tegra_dc_writel(dc, v_dda, DC_WIN_V_INITIAL_DDA);
-
- tegra_dc_writel(dc, 0, DC_WIN_UV_BUF_STRIDE);
- tegra_dc_writel(dc, 0, DC_WIN_BUF_STRIDE);
-
- tegra_dc_writel(dc, window->base[0], DC_WINBUF_START_ADDR);
-
- if (yuv && planar) {
- tegra_dc_writel(dc, window->base[1], DC_WINBUF_START_ADDR_U);
- tegra_dc_writel(dc, window->base[2], DC_WINBUF_START_ADDR_V);
- value = window->stride[1] << 16 | window->stride[0];
- tegra_dc_writel(dc, value, DC_WIN_LINE_STRIDE);
- } else {
- tegra_dc_writel(dc, window->stride[0], DC_WIN_LINE_STRIDE);
- }
-
- if (window->bottom_up)
- v_offset += window->src.h - 1;
+ DRM_DEBUG_KMS("rate: %lu, div: %u\n", clk_get_rate(dc->clk), div);
- tegra_dc_writel(dc, h_offset, DC_WINBUF_ADDR_H_OFFSET);
- tegra_dc_writel(dc, v_offset, DC_WINBUF_ADDR_V_OFFSET);
-
- if (window->tiled) {
- value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV |
- DC_WIN_BUFFER_ADDR_MODE_TILE;
- } else {
- value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV |
- DC_WIN_BUFFER_ADDR_MODE_LINEAR;
- }
-
- tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE);
-
- value = WIN_ENABLE;
-
- if (yuv) {
- /* setup default colorspace conversion coefficients */
- tegra_dc_writel(dc, 0x00f0, DC_WIN_CSC_YOF);
- tegra_dc_writel(dc, 0x012a, DC_WIN_CSC_KYRGB);
- tegra_dc_writel(dc, 0x0000, DC_WIN_CSC_KUR);
- tegra_dc_writel(dc, 0x0198, DC_WIN_CSC_KVR);
- tegra_dc_writel(dc, 0x039b, DC_WIN_CSC_KUG);
- tegra_dc_writel(dc, 0x032f, DC_WIN_CSC_KVG);
- tegra_dc_writel(dc, 0x0204, DC_WIN_CSC_KUB);
- tegra_dc_writel(dc, 0x0000, DC_WIN_CSC_KVB);
-
- value |= CSC_ENABLE;
- } else if (window->bits_per_pixel < 24) {
- value |= COLOR_EXPAND;
- }
-
- if (window->bottom_up)
- value |= INVERT_V;
-
- tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS);
-
- /*
- * Disable blending and assume Window A is the bottom-most window,
- * Window C is the top-most window and Window B is in the middle.
- */
- tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_NOKEY);
- tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_1WIN);
-
- switch (index) {
- case 0:
- tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_X);
- tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_Y);
- tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_3WIN_XY);
- break;
-
- case 1:
- tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_X);
- tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_Y);
- tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_3WIN_XY);
- break;
-
- case 2:
- tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_X);
- tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_Y);
- tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_3WIN_XY);
- break;
- }
-
- tegra_dc_writel(dc, WIN_A_UPDATE << index, DC_CMD_STATE_CONTROL);
- tegra_dc_writel(dc, WIN_A_ACT_REQ << index, DC_CMD_STATE_CONTROL);
+ value = SHIFT_CLK_DIVIDER(div) | PIXEL_CLK_DIVIDER_PCD1;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
return 0;
}
-unsigned int tegra_dc_format(uint32_t format)
-{
- switch (format) {
- case DRM_FORMAT_XBGR8888:
- return WIN_COLOR_DEPTH_R8G8B8A8;
-
- case DRM_FORMAT_XRGB8888:
- return WIN_COLOR_DEPTH_B8G8R8A8;
-
- case DRM_FORMAT_RGB565:
- return WIN_COLOR_DEPTH_B5G6R5;
-
- case DRM_FORMAT_UYVY:
- return WIN_COLOR_DEPTH_YCbCr422;
-
- case DRM_FORMAT_YUV420:
- return WIN_COLOR_DEPTH_YCbCr420P;
-
- case DRM_FORMAT_YUV422:
- return WIN_COLOR_DEPTH_YCbCr422P;
-
- default:
- break;
- }
-
- WARN(1, "unsupported pixel format %u, using default\n", format);
- return WIN_COLOR_DEPTH_B8G8R8A8;
-}
-
static int tegra_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted,
@@ -648,12 +768,12 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
struct tegra_bo *bo = tegra_fb_get_plane(crtc->primary->fb, 0);
struct tegra_dc *dc = to_tegra_dc(crtc);
struct tegra_dc_window window;
- unsigned long div, value;
+ u32 value;
int err;
drm_vblank_pre_modeset(crtc->dev, dc->pipe);
- err = tegra_crtc_setup_clk(crtc, mode, &div);
+ err = tegra_crtc_setup_clk(crtc, mode);
if (err) {
dev_err(dc->dev, "failed to setup clock for CRTC: %d\n", err);
return err;
@@ -669,9 +789,6 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
tegra_dc_writel(dc, value, DC_DISP_INTERLACE_CONTROL);
}
- value = SHIFT_CLK_DIVIDER(div) | PIXEL_CLK_DIVIDER_PCD1;
- tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
-
/* setup window parameters */
memset(&window, 0, sizeof(window));
window.src.x = 0;
@@ -682,7 +799,8 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
window.dst.y = 0;
window.dst.w = mode->hdisplay;
window.dst.h = mode->vdisplay;
- window.format = tegra_dc_format(crtc->primary->fb->pixel_format);
+ window.format = tegra_dc_format(crtc->primary->fb->pixel_format,
+ &window.swap);
window.bits_per_pixel = crtc->primary->fb->bits_per_pixel;
window.stride[0] = crtc->primary->fb->pitches[0];
window.base[0] = bo->paddr;
@@ -728,10 +846,6 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc)
WIN_A_OF_INT | WIN_B_OF_INT | WIN_C_OF_INT;
tegra_dc_writel(dc, value, DC_CMD_INT_POLARITY);
- value = PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
- PW4_ENABLE | PM0_ENABLE | PM1_ENABLE;
- tegra_dc_writel(dc, value, DC_CMD_DISPLAY_POWER_CONTROL);
-
/* initialize timer */
value = CURSOR_THRESHOLD(0) | WINDOW_A_THRESHOLD(0x20) |
WINDOW_B_THRESHOLD(0x20) | WINDOW_C_THRESHOLD(0x20);
@@ -991,6 +1105,8 @@ static int tegra_dc_show_regs(struct seq_file *s, void *data)
DUMP_REG(DC_DISP_SD_BL_CONTROL);
DUMP_REG(DC_DISP_SD_HW_K_VALUES);
DUMP_REG(DC_DISP_SD_MAN_K_VALUES);
+ DUMP_REG(DC_DISP_CURSOR_START_ADDR_HI);
+ DUMP_REG(DC_DISP_BLEND_CURSOR_CONTROL);
DUMP_REG(DC_WIN_WIN_OPTIONS);
DUMP_REG(DC_WIN_BYTE_SWAP);
DUMP_REG(DC_WIN_BUFFER_CONTROL);
@@ -1096,26 +1212,26 @@ static int tegra_dc_debugfs_exit(struct tegra_dc *dc)
static int tegra_dc_init(struct host1x_client *client)
{
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *drm = dev_get_drvdata(client->parent);
struct tegra_dc *dc = host1x_client_to_dc(client);
int err;
- drm_crtc_init(tegra->drm, &dc->base, &tegra_crtc_funcs);
+ drm_crtc_init(drm, &dc->base, &tegra_crtc_funcs);
drm_mode_crtc_set_gamma_size(&dc->base, 256);
drm_crtc_helper_add(&dc->base, &tegra_crtc_helper_funcs);
- err = tegra_dc_rgb_init(tegra->drm, dc);
+ err = tegra_dc_rgb_init(drm, dc);
if (err < 0 && err != -ENODEV) {
dev_err(dc->dev, "failed to initialize RGB output: %d\n", err);
return err;
}
- err = tegra_dc_add_planes(tegra->drm, dc);
+ err = tegra_dc_add_planes(drm, dc);
if (err < 0)
return err;
if (IS_ENABLED(CONFIG_DEBUG_FS)) {
- err = tegra_dc_debugfs_init(dc, tegra->drm->primary);
+ err = tegra_dc_debugfs_init(dc, drm->primary);
if (err < 0)
dev_err(dc->dev, "debugfs setup failed: %d\n", err);
}
@@ -1160,14 +1276,17 @@ static const struct host1x_client_ops dc_client_ops = {
static const struct tegra_dc_soc_info tegra20_dc_soc_info = {
.supports_interlacing = false,
+ .supports_cursor = false,
};
static const struct tegra_dc_soc_info tegra30_dc_soc_info = {
.supports_interlacing = false,
+ .supports_cursor = false,
};
static const struct tegra_dc_soc_info tegra124_dc_soc_info = {
.supports_interlacing = true,
+ .supports_cursor = true,
};
static const struct of_device_id tegra_dc_of_match[] = {
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-29 01:54:46 +0000