On 29.01.2024 11:23, Manikandan Muralidharan wrote:
> Add the LCD controller layer definition and descriptor structure for
> sam9x75 for the following layers:
> - Base Layer
> - Overlay1 Layer
> - Overlay2 Layer
> - High End Overlay
>
> Signed-off-by: Manikandan Muralidharan <manikandan.m@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 97 ++++++++++++++++++++
> 1 file changed, 97 insertions(+)
>
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> index fa0f9a93d50d..d30aec174aa2 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> @@ -462,6 +462,99 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_sam9x60 = {
> .layers = atmel_hlcdc_sam9x60_layers,
> };
>
> +static const struct atmel_hlcdc_layer_desc atmel_xlcdc_sam9x75_layers[] = {
> + {
> + .name = "base",
> + .formats = &atmel_hlcdc_plane_rgb_formats,
> + .regs_offset = 0x60,
> + .id = 0,
> + .type = ATMEL_HLCDC_BASE_LAYER,
> + .cfgs_offset = 0x1c,
> + .layout = {
> + .xstride = { 2 },
> + .default_color = 3,
> + .general_config = 4,
> + .disc_pos = 5,
> + .disc_size = 6,
> + },
> + .clut_offset = 0x700,
> + },
> + {
> + .name = "overlay1",
> + .formats = &atmel_hlcdc_plane_rgb_formats,
> + .regs_offset = 0x160,
> + .id = 1,
> + .type = ATMEL_HLCDC_OVERLAY_LAYER,
> + .cfgs_offset = 0x1c,
> + .layout = {
> + .pos = 2,
> + .size = 3,
> + .xstride = { 4 },
> + .pstride = { 5 },
> + .default_color = 6,
> + .chroma_key = 7,
> + .chroma_key_mask = 8,
> + .general_config = 9,
> + },
> + .clut_offset = 0xb00,
> + },
> + {
> + .name = "overlay2",
> + .formats = &atmel_hlcdc_plane_rgb_formats,
> + .regs_offset = 0x260,
> + .id = 2,
> + .type = ATMEL_HLCDC_OVERLAY_LAYER,
> + .cfgs_offset = 0x1c,
> + .layout = {
> + .pos = 2,
> + .size = 3,
> + .xstride = { 4 },
> + .pstride = { 5 },
> + .default_color = 6,
> + .chroma_key = 7,
> + .chroma_key_mask = 8,
> + .general_config = 9,
> + },
> + .clut_offset = 0xf00,
> + },
> + {
> + .name = "high-end-overlay",
> + .formats = &atmel_hlcdc_plane_rgb_and_yuv_formats,
> + .regs_offset = 0x360,
> + .id = 3,
> + .type = ATMEL_HLCDC_OVERLAY_LAYER,
> + .cfgs_offset = 0x30,
> + .layout = {
> + .pos = 2,
> + .size = 3,
> + .memsize = 4,
> + .xstride = { 5, 7 },
> + .pstride = { 6, 8 },
> + .default_color = 9,
> + .chroma_key = 10,
> + .chroma_key_mask = 11,
> + .general_config = 12,
> + .csc = 16,
> + .scaler_config = 23,
> + },
> + .clut_offset = 0x1300,
> + },
> +};
> +
> +static const struct atmel_hlcdc_dc_desc atmel_xlcdc_dc_sam9x75 = {
> + .min_width = 0,
> + .min_height = 0,
> + .max_width = 2048,
> + .max_height = 2048,
> + .max_spw = 0xff,
> + .max_vpw = 0xff,
> + .max_hpw = 0x3ff,
> + .fixed_clksrc = true,
> + .is_xlcdc = true,
> + .nlayers = ARRAY_SIZE(atmel_xlcdc_sam9x75_layers),
> + .layers = atmel_xlcdc_sam9x75_layers,
> +};
> +
> static const struct of_device_id atmel_hlcdc_of_match[] = {
> {
> .compatible = "atmel,at91sam9n12-hlcdc",
> @@ -487,6 +580,10 @@ static const struct of_device_id atmel_hlcdc_of_match[] = {
> .compatible = "microchip,sam9x60-hlcdc",
> .data = &atmel_hlcdc_dc_sam9x60,
> },
> + {
> + .compatible = "microchip,sam9x75-xlcdc",
> + .data = &atmel_xlcdc_dc_sam9x75,
Will SAM9X75 XLCDC work only with this patch and the previous one? If not
then, organize the patches such that the SAM9X75 will work when introduced.
> + },
> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, atmel_hlcdc_of_match);
