/* mode set a plane */
int xilinx_drm_plane_mode_set(struct drm_plane *base_plane,
struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct xilinx_drm_plane *plane = to_xilinx_plane(base_plane);
struct drm_gem_cma_object *obj;
size_t offset;
unsigned int hsub, vsub, i;
DRM_DEBUG_KMS("plane->id: %d\n", plane->id);
if (fb->pixel_format != plane->format) {
DRM_ERROR("unsupported pixel format %08x\n", fb->pixel_format);
return -EINVAL;
}
/* configure cresample */
if (plane->cresample)
xilinx_cresample_configure(plane->cresample, crtc_w, crtc_h);
/* configure rgb2yuv */
if (plane->rgb2yuv)
xilinx_rgb2yuv_configure(plane->rgb2yuv, crtc_w, crtc_h);
DRM_DEBUG_KMS("h: %d(%d), v: %d(%d)\n",
src_w, crtc_x, src_h, crtc_y);
DRM_DEBUG_KMS("bpp: %d\n", fb->bits_per_pixel / 8);
hsub = drm_format_horz_chroma_subsampling(fb->pixel_format);
vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);
for (i = 0; i < drm_format_num_planes(fb->pixel_format); i++) {
unsigned int width = src_w / (i ? hsub : 1);
unsigned int height = src_h / (i ? vsub : 1);
unsigned int cpp = drm_format_plane_cpp(fb->pixel_format, i);
obj = xilinx_drm_fb_get_gem_obj(fb, i);
if (!obj) {
DRM_ERROR("failed to get a gem obj for fb\n");
return -EINVAL;
}
plane->dma[i].xt.numf = height;
plane->dma[i].sgl[0].size = width * cpp;
plane->dma[i].sgl[0].icg = fb->pitches[i] -
plane->dma[i].sgl[0].size;
offset = src_x * cpp + src_y * fb->pitches[i];
offset += fb->offsets[i];
plane->dma[i].xt.src_start = obj->paddr + offset;
plane->dma[i].xt.frame_size = 1;
plane->dma[i].xt.dir = DMA_MEM_TO_DEV;
plane->dma[i].xt.src_sgl = true;
plane->dma[i].xt.dst_sgl = false;
plane->dma[i].is_active = true;
}
for (; i < MAX_NUM_SUB_PLANES; i++)
plane->dma[i].is_active = false;
/* set OSD dimensions */
if (plane->manager->osd) {
xilinx_osd_disable_rue(plane->manager->osd);
xilinx_osd_layer_set_dimension(plane->osd_layer, crtc_x, crtc_y,
src_w, src_h);
xilinx_osd_enable_rue(plane->manager->osd);
}
if (plane->manager->dp_sub) {
int ret;
ret = xilinx_drm_dp_sub_layer_check_size(plane->manager->dp_sub,
plane->dp_layer,
src_w, src_h);
if (ret)
return ret;
}
return 0;
}
/* mode set a plane */
int xilinx_drm_plane_mode_set(struct drm_plane *base_plane,
struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct xilinx_drm_plane *plane = to_xilinx_plane(base_plane);
struct drm_gem_cma_object *obj;
size_t offset;
DRM_DEBUG_KMS("plane->id: %d\n", plane->id);
if (fb->pixel_format != plane->format) {
DRM_ERROR("unsupported pixel format %08x\n", fb->pixel_format);
return -EINVAL;
}
/* configure cresample */
if (plane->cresample)
xilinx_cresample_configure(plane->cresample, crtc_w, crtc_h);
/* configure rgb2yuv */
if (plane->rgb2yuv)
xilinx_rgb2yuv_configure(plane->rgb2yuv, crtc_w, crtc_h);
obj = drm_fb_cma_get_gem_obj(fb, 0);
if (!obj) {
DRM_ERROR("failed to get a gem obj for fb\n");
return -EINVAL;
}
DRM_DEBUG_KMS("h: %d(%d), v: %d(%d), paddr: %p\n",
src_w, crtc_x, src_h, crtc_y, (void *)obj->paddr);
DRM_DEBUG_KMS("bpp: %d\n", fb->bits_per_pixel / 8);
/* configure dma desc */
plane->dma.xt.numf = src_h;
plane->dma.sgl[0].size = src_w * fb->bits_per_pixel / 8;
plane->dma.sgl[0].icg = fb->pitches[0] - plane->dma.sgl[0].size;
offset = src_x * fb->bits_per_pixel / 8 + src_y * fb->pitches[0];
plane->dma.xt.src_start = obj->paddr + offset;
plane->dma.xt.frame_size = 1;
plane->dma.xt.dir = DMA_MEM_TO_DEV;
plane->dma.xt.src_sgl = true;
plane->dma.xt.dst_sgl = false;
/* set OSD dimensions */
if (plane->manager->osd) {
xilinx_osd_disable_rue(plane->manager->osd);
/* if a plane is private, it's for crtc */
if (plane->priv)
xilinx_osd_set_dimension(plane->manager->osd,
crtc_w, crtc_h);
xilinx_osd_layer_set_dimension(plane->osd_layer, crtc_x, crtc_y,
src_w, src_h);
xilinx_osd_enable_rue(plane->manager->osd);
}
return 0;
}
/* set new mode in crtc pipe */
static int xilinx_drm_crtc_mode_set(struct drm_crtc *base_crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int x, int y,
struct drm_framebuffer *old_fb)
{
struct xilinx_drm_crtc *crtc = to_xilinx_crtc(base_crtc);
struct videomode vm;
long diff;
int ret;
/* set pixel clock */
ret = clk_set_rate(crtc->pixel_clock, adjusted_mode->clock * 1000);
if (ret) {
DRM_ERROR("failed to set a pixel clock\n");
return ret;
}
diff = clk_get_rate(crtc->pixel_clock) - adjusted_mode->clock * 1000;
if (abs(diff) > (adjusted_mode->clock * 1000) / 20)
DRM_INFO("actual pixel clock rate(%d) is off by %ld\n",
adjusted_mode->clock, diff);
/* set video timing */
vm.hactive = adjusted_mode->hdisplay;
vm.hfront_porch = adjusted_mode->hsync_start - adjusted_mode->hdisplay;
vm.hback_porch = adjusted_mode->htotal - adjusted_mode->hsync_end;
vm.hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
vm.vactive = adjusted_mode->vdisplay;
vm.vfront_porch = adjusted_mode->vsync_start - adjusted_mode->vdisplay;
vm.vback_porch = adjusted_mode->vtotal - adjusted_mode->vsync_end;
vm.vsync_len = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
xilinx_vtc_config_sig(crtc->vtc, &vm);
/* configure cresample and rgb2yuv */
if (crtc->cresample)
xilinx_cresample_configure(crtc->cresample,
adjusted_mode->hdisplay,
adjusted_mode->vdisplay);
if (crtc->rgb2yuv)
xilinx_rgb2yuv_configure(crtc->rgb2yuv,
adjusted_mode->hdisplay,
adjusted_mode->vdisplay);
/* configure a plane: vdma and osd layer */
ret = xilinx_drm_plane_mode_set(crtc->priv_plane,
base_crtc->fb, 0, 0,
adjusted_mode->hdisplay,
adjusted_mode->vdisplay,
x, y,
adjusted_mode->hdisplay,
adjusted_mode->vdisplay);
if (ret) {
DRM_ERROR("failed to mode set a plane\n");
return ret;
}
return 0;
}
/* mode set a plane */
int xilinx_drm_plane_mode_set(struct drm_plane *base_plane,
struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct xilinx_drm_plane *plane = to_xilinx_plane(base_plane);
struct drm_gem_cma_object *obj;
DRM_DEBUG_KMS("plane->id: %d\n", plane->id);
if (fb->pixel_format != plane->format) {
DRM_ERROR("unsupported pixel format %08x\n", fb->pixel_format);
return -EINVAL;
}
/* configure cresample */
if (plane->cresample)
xilinx_cresample_configure(plane->cresample, crtc_w, crtc_h);
/* configure rgb2yuv */
if (plane->rgb2yuv)
xilinx_rgb2yuv_configure(plane->rgb2yuv, crtc_w, crtc_h);
obj = drm_fb_cma_get_gem_obj(fb, 0);
if (!obj) {
DRM_ERROR("failed to get a gem obj for fb\n");
return -EINVAL;
}
plane->x = src_x;
plane->y = src_y;
plane->bpp = fb->bits_per_pixel / 8;
plane->paddr = obj->paddr;
DRM_DEBUG_KMS("h: %d(%d), v: %d(%d), paddr: %p\n",
src_w, crtc_x, src_h, crtc_y, (void *)obj->paddr);
DRM_DEBUG_KMS("bpp: %d\n", plane->bpp);
/* configure vdma desc */
plane->vdma.dma_config.hsize = src_w * plane->bpp;
plane->vdma.dma_config.vsize = src_h;
plane->vdma.dma_config.stride = fb->pitches[0];
plane->vdma.dma_config.park = 1;
plane->vdma.dma_config.park_frm = 0;
dmaengine_device_control(plane->vdma.chan, DMA_SLAVE_CONFIG,
(unsigned long)&plane->vdma.dma_config);
/* set OSD dimensions */
if (plane->manager->osd) {
xilinx_osd_disable_rue(plane->manager->osd);
/* if a plane is private, it's for crtc */
if (plane->priv)
xilinx_osd_set_dimension(plane->manager->osd,
crtc_w, crtc_h);
xilinx_osd_layer_set_dimension(plane->osd_layer, crtc_x, crtc_y,
src_w, src_h);
xilinx_osd_enable_rue(plane->manager->osd);
}
return 0;
}