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path: root/drivers/gpu/drm/sun4i/sun4i_frontend.c
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Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_frontend.c')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_frontend.c113
1 files changed, 90 insertions, 23 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index ddf6cfa6dd23..1a7ebc45747e 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -107,8 +107,34 @@ EXPORT_SYMBOL(sun4i_frontend_update_buffer);
static int sun4i_frontend_drm_format_to_input_fmt(uint32_t fmt, u32 *val)
{
switch (fmt) {
- case DRM_FORMAT_ARGB8888:
- *val = 5;
+ case DRM_FORMAT_XRGB8888:
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB;
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int sun4i_frontend_drm_format_to_input_mode(uint32_t fmt, u32 *val)
+{
+ if (drm_format_num_planes(fmt) == 1)
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+
+static int sun4i_frontend_drm_format_to_input_sequence(uint32_t fmt, u32 *val)
+{
+ switch (fmt) {
+ case DRM_FORMAT_BGRX8888:
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX;
+ return 0;
+
+ case DRM_FORMAT_XRGB8888:
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB;
return 0;
default:
@@ -119,9 +145,12 @@ static int sun4i_frontend_drm_format_to_input_fmt(uint32_t fmt, u32 *val)
static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val)
{
switch (fmt) {
+ case DRM_FORMAT_BGRX8888:
+ *val = SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_BGRX8888;
+ return 0;
+
case DRM_FORMAT_XRGB8888:
- case DRM_FORMAT_ARGB8888:
- *val = 2;
+ *val = SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888;
return 0;
default:
@@ -129,22 +158,54 @@ static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val)
}
}
+static const uint32_t sun4i_frontend_formats[] = {
+ DRM_FORMAT_BGRX8888,
+ DRM_FORMAT_XRGB8888,
+};
+
+bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier)
+{
+ unsigned int i;
+
+ if (modifier != DRM_FORMAT_MOD_LINEAR)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(sun4i_frontend_formats); i++)
+ if (sun4i_frontend_formats[i] == fmt)
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(sun4i_frontend_format_is_supported);
+
int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
struct drm_plane *plane, uint32_t out_fmt)
{
struct drm_plane_state *state = plane->state;
struct drm_framebuffer *fb = state->fb;
+ uint32_t format = fb->format->format;
u32 out_fmt_val;
- u32 in_fmt_val;
+ u32 in_fmt_val, in_mod_val, in_ps_val;
int ret;
- ret = sun4i_frontend_drm_format_to_input_fmt(fb->format->format,
- &in_fmt_val);
+ ret = sun4i_frontend_drm_format_to_input_fmt(format, &in_fmt_val);
if (ret) {
DRM_DEBUG_DRIVER("Invalid input format\n");
return ret;
}
+ ret = sun4i_frontend_drm_format_to_input_mode(format, &in_mod_val);
+ if (ret) {
+ DRM_DEBUG_DRIVER("Invalid input mode\n");
+ return ret;
+ }
+
+ ret = sun4i_frontend_drm_format_to_input_sequence(format, &in_ps_val);
+ if (ret) {
+ DRM_DEBUG_DRIVER("Invalid pixel sequence\n");
+ return ret;
+ }
+
ret = sun4i_frontend_drm_format_to_output_fmt(out_fmt, &out_fmt_val);
if (ret) {
DRM_DEBUG_DRIVER("Invalid output format\n");
@@ -162,10 +223,12 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTPHASE1_REG, 0x400);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTPHASE1_REG, 0x400);
+ regmap_update_bits(frontend->regs, SUN4I_FRONTEND_BYPASS_REG,
+ SUN4I_FRONTEND_BYPASS_CSC_EN,
+ SUN4I_FRONTEND_BYPASS_CSC_EN);
+
regmap_write(frontend->regs, SUN4I_FRONTEND_INPUT_FMT_REG,
- SUN4I_FRONTEND_INPUT_FMT_DATA_MOD(1) |
- SUN4I_FRONTEND_INPUT_FMT_DATA_FMT(in_fmt_val) |
- SUN4I_FRONTEND_INPUT_FMT_PS(1));
+ in_mod_val | in_fmt_val | in_ps_val);
/*
* TODO: It look like the A31 and A80 at least will need the
@@ -173,7 +236,7 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
* ARGB8888).
*/
regmap_write(frontend->regs, SUN4I_FRONTEND_OUTPUT_FMT_REG,
- SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT(out_fmt_val));
+ out_fmt_val);
return 0;
}
@@ -183,16 +246,24 @@ void sun4i_frontend_update_coord(struct sun4i_frontend *frontend,
struct drm_plane *plane)
{
struct drm_plane_state *state = plane->state;
+ struct drm_framebuffer *fb = state->fb;
+ uint32_t luma_width, luma_height;
+ uint32_t chroma_width, chroma_height;
/* Set height and width */
DRM_DEBUG_DRIVER("Frontend size W: %u H: %u\n",
state->crtc_w, state->crtc_h);
+
+ luma_width = state->src_w >> 16;
+ luma_height = state->src_h >> 16;
+
+ chroma_width = DIV_ROUND_UP(luma_width, fb->format->hsub);
+ chroma_height = DIV_ROUND_UP(luma_height, fb->format->vsub);
+
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_INSIZE_REG,
- SUN4I_FRONTEND_INSIZE(state->src_h >> 16,
- state->src_w >> 16));
+ SUN4I_FRONTEND_INSIZE(luma_height, luma_width));
regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_INSIZE_REG,
- SUN4I_FRONTEND_INSIZE(state->src_h >> 16,
- state->src_w >> 16));
+ SUN4I_FRONTEND_INSIZE(chroma_height, chroma_width));
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_OUTSIZE_REG,
SUN4I_FRONTEND_OUTSIZE(state->crtc_h, state->crtc_w));
@@ -200,14 +271,14 @@ void sun4i_frontend_update_coord(struct sun4i_frontend *frontend,
SUN4I_FRONTEND_OUTSIZE(state->crtc_h, state->crtc_w));
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_HORZFACT_REG,
- state->src_w / state->crtc_w);
+ (luma_width << 16) / state->crtc_w);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_HORZFACT_REG,
- state->src_w / state->crtc_w);
+ (chroma_width << 16) / state->crtc_w);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTFACT_REG,
- state->src_h / state->crtc_h);
+ (luma_height << 16) / state->crtc_h);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTFACT_REG,
- state->src_h / state->crtc_h);
+ (chroma_height << 16) / state->crtc_h);
regmap_write_bits(frontend->regs, SUN4I_FRONTEND_FRM_CTRL_REG,
SUN4I_FRONTEND_FRM_CTRL_REG_RDY,
@@ -339,10 +410,6 @@ static int sun4i_frontend_runtime_resume(struct device *dev)
SUN4I_FRONTEND_EN_EN,
SUN4I_FRONTEND_EN_EN);
- regmap_update_bits(frontend->regs, SUN4I_FRONTEND_BYPASS_REG,
- SUN4I_FRONTEND_BYPASS_CSC_EN,
- SUN4I_FRONTEND_BYPASS_CSC_EN);
-
sun4i_frontend_scaler_init(frontend);
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-18 01:14:51 +0300