drm/msm/sde: add hardware driver support for writeback interface
Writeback block is used to output composited images to memory.
This patch adds support to the hardware driver layer such that
writeback hardware block can be controlled using hardware
abstraction api common across families of hardware.
Change-Id: I92a69f1d564ee87e3f040cbef5a0302468599440
Signed-off-by: Alan Kwong <akwong@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_hw_wb.h b/drivers/gpu/drm/msm/sde/sde_hw_wb.h
index 093d2fb..e01750b 100644
--- a/drivers/gpu/drm/msm/sde/sde_hw_wb.h
+++ b/drivers/gpu/drm/msm/sde/sde_hw_wb.h
@@ -15,12 +15,16 @@
#include "sde_hw_catalog.h"
#include "sde_hw_mdss.h"
+#include "sde_hw_top.h"
#include "sde_hw_util.h"
struct sde_hw_wb;
struct sde_hw_wb_cfg {
struct sde_hw_fmt_layout dest;
+ enum sde_intf_mode intf_mode;
+ struct traffic_shaper_cfg ts_cfg;
+ bool is_secure;
};
/**
@@ -56,8 +60,9 @@
* @struct sde_hw_blk_reg_map *hw;
* @idx
* @wb_hw_caps
- * @mixer_hw_caps
* @ops
+ * @highest_bank_bit: GPU highest memory bank bit used
+ * @hw_mdp: MDP top level hardware block
*/
struct sde_hw_wb {
/* base */
@@ -69,17 +74,28 @@
/* ops */
struct sde_hw_wb_ops ops;
+
+ u32 highest_bank_bit;
+
+ struct sde_hw_mdp *hw_mdp;
};
/**
- * sde_hw_wb_init(): Initializes the wb_path hw driver object.
- * should be called before accessing every mixer.
+ * sde_hw_wb_init(): Initializes and return writeback hw driver object.
* @idx: wb_path index for which driver object is required
* @addr: mapped register io address of MDP
* @m : pointer to mdss catalog data
+ * @hw_mdp: pointer to mdp top hw driver object
*/
struct sde_hw_wb *sde_hw_wb_init(enum sde_wb idx,
void __iomem *addr,
- struct sde_mdss_cfg *m);
+ struct sde_mdss_cfg *m,
+ struct sde_hw_mdp *hw_mdp);
+
+/**
+ * sde_hw_wb_destroy(): Destroy writeback hw driver object.
+ * @hw_wb: Pointer to writeback hw driver object
+ */
+void sde_hw_wb_destroy(struct sde_hw_wb *hw_wb);
#endif /*_SDE_HW_WB_H */