[media] davinci/vpss: add helper functions for setting hw params

Add vpss helper functions to be used in the main driver for setting
hardware parameters.

Add interface functions to set sync polarity, interrupt completion and
pageframe size in vpss to be used by the main driver.

Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c
index e4ad63d15265..d945f94053a8 100644
--- a/drivers/media/platform/davinci/vpss.c
+++ b/drivers/media/platform/davinci/vpss.c
@@ -111,6 +111,12 @@ struct vpss_hw_ops {
         void (*select_ccdc_source)(enum vpss_ccdc_source_sel src_sel);
         /* clear wbl overflow bit */
         int (*clear_wbl_overflow)(enum vpss_wbl_sel wbl_sel);
+        /* set sync polarity */
+        void (*set_sync_pol)(struct vpss_sync_pol);
+        /* set the PG_FRAME_SIZE register*/
+        void (*set_pg_frame_size)(struct vpss_pg_frame_size);
+        /* check and clear interrupt if occured */
+        int (*dma_complete_interrupt)(void);
 };
 
 /* vpss configuration */
@@ -175,6 +181,14 @@ static void dm355_select_ccdc_source(enum vpss_ccdc_source_sel src_sel)
         bl_regw(src_sel << VPSS_HSSISEL_SHIFT, DM355_VPSSBL_CCDCMUX);
 }
 
+int vpss_dma_complete_interrupt(void)
+{
+        if (!oper_cfg.hw_ops.dma_complete_interrupt)
+                return 2;
+        return oper_cfg.hw_ops.dma_complete_interrupt();
+}
+EXPORT_SYMBOL(vpss_dma_complete_interrupt);
+
 int vpss_select_ccdc_source(enum vpss_ccdc_source_sel src_sel)
 {
         if (!oper_cfg.hw_ops.select_ccdc_source)
@@ -200,6 +214,15 @@ static int dm644x_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel)
         return 0;
 }
 
+void vpss_set_sync_pol(struct vpss_sync_pol sync)
+{
+        if (!oper_cfg.hw_ops.set_sync_pol)
+                return;
+
+        oper_cfg.hw_ops.set_sync_pol(sync);
+}
+EXPORT_SYMBOL(vpss_set_sync_pol);
+
 int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel)
 {
         if (!oper_cfg.hw_ops.clear_wbl_overflow)
@@ -365,6 +388,15 @@ void dm365_vpss_set_sync_pol(struct vpss_sync_pol sync)
 }
 EXPORT_SYMBOL(dm365_vpss_set_sync_pol);
 
+void vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size)
+{
+        if (!oper_cfg.hw_ops.set_pg_frame_size)
+                return;
+
+        oper_cfg.hw_ops.set_pg_frame_size(frame_size);
+}
+EXPORT_SYMBOL(vpss_set_pg_frame_size);
+
 void dm365_vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size)
 {
         int current_reg = ((frame_size.hlpfr >> 1) - 1) << 16;