static void sti_mixer_set_background_area(struct sti_mixer *mixer,
struct drm_display_mode *mode)
{
u32 ydo, xdo, yds, xds;
ydo = sti_vtg_get_line_number(*mode, 0);
yds = sti_vtg_get_line_number(*mode, mode->vdisplay - 1);
xdo = sti_vtg_get_pixel_number(*mode, 0);
xds = sti_vtg_get_pixel_number(*mode, mode->hdisplay - 1);
sti_mixer_reg_write(mixer, GAM_MIXER_BCO, ydo << 16 | xdo);
sti_mixer_reg_write(mixer, GAM_MIXER_BCS, yds << 16 | xds);
}
static void sti_mixer_set_background_color(struct sti_mixer *mixer,
u8 red, u8 green, u8 blue)
{
u32 val = (red << 16) | (green << 8) | blue;
sti_mixer_reg_write(mixer, GAM_MIXER_BKC, val);
}
void sti_mixer_set_matrix(struct sti_mixer *mixer)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(mixerColorSpaceMatIdentity); i++)
sti_mixer_reg_write(mixer, GAM_MIXER_MX0 + (i * 4),
mixerColorSpaceMatIdentity[i]);
}
void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable)
{
u32 val = sti_mixer_reg_read(mixer, GAM_MIXER_CTL);
val &= ~GAM_CTL_BACK_MASK;
val |= enable;
sti_mixer_reg_write(mixer, GAM_MIXER_CTL, val);
}
int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane)
{
int plane_id, depth = plane->drm_plane.state->normalized_zpos;
unsigned int i;
u32 mask, val;
switch (plane->desc) {
case STI_GDP_0:
plane_id = GAM_DEPTH_GDP0_ID;
break;
case STI_GDP_1:
plane_id = GAM_DEPTH_GDP1_ID;
break;
case STI_GDP_2:
plane_id = GAM_DEPTH_GDP2_ID;
break;
case STI_GDP_3:
plane_id = GAM_DEPTH_GDP3_ID;
break;
case STI_HQVDP_0:
plane_id = GAM_DEPTH_VID0_ID;
break;
case STI_CURSOR:
/* no need to set depth for cursor */
return 0;
default:
DRM_ERROR("Unknown plane %d\n", plane->desc);
return 1;
}
/* Search if a previous depth was already assigned to the plane */
val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB);
for (i = 0; i < GAM_MIXER_NB_DEPTH_LEVEL; i++) {
mask = GAM_DEPTH_MASK_ID << (3 * i);
if ((val & mask) == plane_id << (3 * i))
break;
}
mask |= GAM_DEPTH_MASK_ID << (3 * depth);
plane_id = plane_id << (3 * depth);
DRM_DEBUG_DRIVER("%s %s depth=%d\n", sti_mixer_to_str(mixer),
sti_plane_to_str(plane), depth);
dev_dbg(mixer->dev, "GAM_MIXER_CRB val 0x%x mask 0x%x\n",
plane_id, mask);
val &= ~mask;
val |= plane_id;
sti_mixer_reg_write(mixer, GAM_MIXER_CRB, val);
dev_dbg(mixer->dev, "Read GAM_MIXER_CRB 0x%x\n",
sti_mixer_reg_read(mixer, GAM_MIXER_CRB));
return 0;
}
int sti_mixer_active_video_area(struct sti_mixer *mixer,
struct drm_display_mode *mode)
{
u32 ydo, xdo, yds, xds;
ydo = sti_vtg_get_line_number(*mode, 0);
yds = sti_vtg_get_line_number(*mode, mode->vdisplay - 1);
xdo = sti_vtg_get_pixel_number(*mode, 0);
xds = sti_vtg_get_pixel_number(*mode, mode->hdisplay - 1);
DRM_DEBUG_DRIVER("%s active video area xdo:%d ydo:%d xds:%d yds:%d\n",
sti_mixer_to_str(mixer), xdo, ydo, xds, yds);
sti_mixer_reg_write(mixer, GAM_MIXER_AVO, ydo << 16 | xdo);
sti_mixer_reg_write(mixer, GAM_MIXER_AVS, yds << 16 | xds);
sti_mixer_set_background_color(mixer, 0xFF, 0, 0);
sti_mixer_set_background_area(mixer, mode);
sti_mixer_set_background_status(mixer, true);
return 0;
}
int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer)
{
int layer_id = 0, depth = layer->zorder;
u32 mask, val;
if (depth >= GAM_MIXER_NB_DEPTH_LEVEL)
return 1;
switch (layer->desc) {
case STI_GDP_0:
layer_id = GAM_DEPTH_GDP0_ID;
break;
case STI_GDP_1:
layer_id = GAM_DEPTH_GDP1_ID;
break;
case STI_GDP_2:
layer_id = GAM_DEPTH_GDP2_ID;
break;
case STI_GDP_3:
layer_id = GAM_DEPTH_GDP3_ID;
break;
case STI_VID_0:
layer_id = GAM_DEPTH_VID0_ID;
break;
case STI_VID_1:
layer_id = GAM_DEPTH_VID1_ID;
break;
default:
DRM_ERROR("Unknown layer %d\n", layer->desc);
return 1;
}
mask = GAM_DEPTH_MASK_ID << (3 * depth);
layer_id = layer_id << (3 * depth);
DRM_DEBUG_DRIVER("%s %s depth=%d\n", sti_mixer_to_str(mixer),
sti_layer_to_str(layer), depth);
dev_dbg(mixer->dev, "GAM_MIXER_CRB val 0x%x mask 0x%x\n",
layer_id, mask);
val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB);
val &= ~mask;
val |= layer_id;
sti_mixer_reg_write(mixer, GAM_MIXER_CRB, val);
dev_dbg(mixer->dev, "Read GAM_MIXER_CRB 0x%x\n",
sti_mixer_reg_read(mixer, GAM_MIXER_CRB));
return 0;
}
int sti_mixer_set_layer_status(struct sti_mixer *mixer,
struct sti_layer *layer, bool status)
{
u32 mask, val;
DRM_DEBUG_DRIVER("%s %s %s\n", status ? "enable" : "disable",
sti_mixer_to_str(mixer), sti_layer_to_str(layer));
mask = sti_mixer_get_layer_mask(layer);
if (!mask) {
DRM_ERROR("Can not find layer mask\n");
return -EINVAL;
}
val = sti_mixer_reg_read(mixer, GAM_MIXER_CTL);
val &= ~mask;
val |= status ? mask : 0;
sti_mixer_reg_write(mixer, GAM_MIXER_CTL, val);
return 0;
}
static void sti_mixer_set_background_color(struct sti_mixer *mixer,
unsigned int rgb)
{
sti_mixer_reg_write(mixer, GAM_MIXER_BKC, rgb);
}
