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path: root/drivers/gpu/drm/sun4i/sun8i_mixer.h
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Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_mixer.h')
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_mixer.h118
1 files changed, 94 insertions, 24 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h
index 145833a9d82d..e2f83301aae8 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.h
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h
@@ -9,6 +9,7 @@
#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/reset.h>
+#include <drm/drm_plane.h>
#include "sunxi_engine.h"
@@ -20,6 +21,9 @@
#define SUN8I_MIXER_GLOBAL_DBUFF 0x8
#define SUN8I_MIXER_GLOBAL_SIZE 0xc
+#define SUN50I_MIXER_GLOBAL_SIZE 0x8
+#define SUN50I_MIXER_GLOBAL_CLK 0xc
+
#define SUN8I_MIXER_GLOBAL_CTL_RT_EN BIT(0)
#define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE BIT(0)
@@ -35,6 +39,9 @@
#define DE3_CH_BASE 0x1000
#define DE3_CH_SIZE 0x0800
+#define DE33_CH_BASE 0x1000
+#define DE33_CH_SIZE 0x20000
+
#define SUN8I_MIXER_BLEND_PIPE_CTL(base) ((base) + 0)
#define SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, x) ((base) + 0x4 + 0x10 * (x))
#define SUN8I_MIXER_BLEND_ATTR_INSIZE(base, x) ((base) + 0x8 + 0x10 * (x))
@@ -111,10 +118,10 @@
/* format 13 is semi-planar YUV411 VUVU */
#define SUN8I_MIXER_FBFMT_YUV411 14
/* format 15 doesn't exist */
-/* format 16 is P010 YVU */
-#define SUN8I_MIXER_FBFMT_P010_YUV 17
-/* format 18 is P210 YVU */
-#define SUN8I_MIXER_FBFMT_P210_YUV 19
+#define SUN8I_MIXER_FBFMT_P010_YUV 16
+/* format 17 is P010 YVU */
+#define SUN8I_MIXER_FBFMT_P210_YUV 18
+/* format 19 is P210 YVU */
/* format 20 is packed YVU444 10-bit */
/* format 21 is packed YUV444 10-bit */
@@ -141,31 +148,61 @@
#define SUN50I_MIXER_CDC0_EN 0xd0000
#define SUN50I_MIXER_CDC1_EN 0xd8000
+enum {
+ /* First mixer or second mixer with VEP support. */
+ CCSC_MIXER0_LAYOUT,
+ /* Second mixer without VEP support. */
+ CCSC_MIXER1_LAYOUT,
+ /* First mixer with the MMIO layout found in the D1 SoC. */
+ CCSC_D1_MIXER0_LAYOUT,
+};
+
+enum sun8i_mixer_type {
+ SUN8I_MIXER_DE2,
+ SUN8I_MIXER_DE3,
+ SUN8I_MIXER_DE33,
+};
+
/**
- * struct sun8i_mixer_cfg - mixer HW configuration
- * @vi_num: number of VI channels
- * @ui_num: number of UI channels
+ * struct sun8i_layer_cfg - layer configuration
+ * @vi_scaler_num: Number of VI scalers. Used on DE2 and DE3.
* @scaler_mask: bitmask which tells which channel supports scaling
* First, scaler supports for VI channels is defined and after that, scaler
* support for UI channels. For example, if mixer has 2 VI channels without
* scaler and 2 UI channels with scaler, bitmask would be 0xC.
- * @ccsc: select set of CCSC base addresses
- * Set value to 0 if this is first mixer or second mixer with VEP support.
- * Set value to 1 if this is second mixer without VEP support. Other values
- * are invalid.
- * @mod_rate: module clock rate that needs to be set in order to have
- * a functional block.
- * @is_de3: true, if this is next gen display engine 3.0, false otherwise.
+ * @ccsc: select set of CCSC base addresses from the enumeration above.
+ * @de_type: sun8i_mixer_type enum representing the display engine generation.
* @scaline_yuv: size of a scanline for VI scaler for YUV formats.
+ * @de2_fcc_alpha: use FCC for missing DE2 VI alpha capability
+ * Most DE2 cores has FCC. If number of VI planes is one, enable this.
*/
-struct sun8i_mixer_cfg {
- int vi_num;
- int ui_num;
+struct sun8i_layer_cfg {
+ unsigned int vi_scaler_num;
int scaler_mask;
int ccsc;
- unsigned long mod_rate;
- unsigned int is_de3 : 1;
+ unsigned int de_type;
unsigned int scanline_yuv;
+ unsigned int de2_fcc_alpha : 1;
+};
+
+/**
+ * struct sun8i_mixer_cfg - mixer HW configuration
+ * @lay_cfg: layer configuration
+ * @vi_num: number of VI channels
+ * @ui_num: number of UI channels
+ * @de_type: sun8i_mixer_type enum representing the display engine generation.
+ * @mod_rate: module clock rate that needs to be set in order to have
+ * a functional block.
+ * @map: channel map for DE variants processing YUV separately (DE33)
+ */
+
+struct sun8i_mixer_cfg {
+ struct sun8i_layer_cfg lay_cfg;
+ int vi_num;
+ int ui_num;
+ unsigned int de_type;
+ unsigned long mod_rate;
+ unsigned int map[6];
};
struct sun8i_mixer {
@@ -177,8 +214,32 @@ struct sun8i_mixer {
struct clk *bus_clk;
struct clk *mod_clk;
+
+ struct regmap *top_regs;
+ struct regmap *disp_regs;
+};
+
+enum {
+ SUN8I_LAYER_TYPE_UI,
+ SUN8I_LAYER_TYPE_VI,
};
+struct sun8i_layer {
+ struct drm_plane plane;
+ int type;
+ int index;
+ int channel;
+ int overlay;
+ struct regmap *regs;
+ const struct sun8i_layer_cfg *cfg;
+};
+
+static inline struct sun8i_layer *
+plane_to_sun8i_layer(struct drm_plane *plane)
+{
+ return container_of(plane, struct sun8i_layer, plane);
+}
+
static inline struct sun8i_mixer *
engine_to_sun8i_mixer(struct sunxi_engine *engine)
{
@@ -188,16 +249,25 @@ engine_to_sun8i_mixer(struct sunxi_engine *engine)
static inline u32
sun8i_blender_base(struct sun8i_mixer *mixer)
{
- return mixer->cfg->is_de3 ? DE3_BLD_BASE : DE2_BLD_BASE;
+ return mixer->cfg->de_type == SUN8I_MIXER_DE3 ? DE3_BLD_BASE : DE2_BLD_BASE;
+}
+
+static inline struct regmap *
+sun8i_blender_regmap(struct sun8i_mixer *mixer)
+{
+ return mixer->cfg->de_type == SUN8I_MIXER_DE33 ?
+ mixer->disp_regs : mixer->engine.regs;
}
static inline u32
-sun8i_channel_base(struct sun8i_mixer *mixer, int channel)
+sun8i_channel_base(struct sun8i_layer *layer)
{
- if (mixer->cfg->is_de3)
- return DE3_CH_BASE + channel * DE3_CH_SIZE;
+ if (layer->cfg->de_type == SUN8I_MIXER_DE33)
+ return DE33_CH_BASE + layer->channel * DE33_CH_SIZE;
+ else if (layer->cfg->de_type == SUN8I_MIXER_DE3)
+ return DE3_CH_BASE + layer->channel * DE3_CH_SIZE;
else
- return DE2_CH_BASE + channel * DE2_CH_SIZE;
+ return DE2_CH_BASE + layer->channel * DE2_CH_SIZE;
}
int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format);