diff options
Diffstat (limited to 'drivers/media/platform/ti-vpe/sc.h')
| -rw-r--r-- | drivers/media/platform/ti-vpe/sc.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/media/platform/ti-vpe/sc.h b/drivers/media/platform/ti-vpe/sc.h index 924854465c5d..c89f3d1a3bad 100644 --- a/drivers/media/platform/ti-vpe/sc.h +++ b/drivers/media/platform/ti-vpe/sc.h @@ -161,15 +161,46 @@ #define CFG_OFF_W_MASK 0x07ff #define CFG_OFF_W_SHIFT 16 +/* number of phases supported by the polyphase scalers */ +#define SC_NUM_PHASES 32 + +/* number of taps used by horizontal polyphase scaler */ +#define SC_H_NUM_TAPS 7 + +/* number of taps used by vertical polyphase scaler */ +#define SC_V_NUM_TAPS 5 + +/* number of taps expected by the scaler in it's coefficient memory */ +#define SC_NUM_TAPS_MEM_ALIGN 8 + +/* + * coefficient memory size in bytes: + * num phases x num sets(luma and chroma) x num taps(aligned) x coeff size + */ +#define SC_COEF_SRAM_SIZE (SC_NUM_PHASES * 2 * SC_NUM_TAPS_MEM_ALIGN * 2) + struct sc_data { void __iomem *base; struct resource *res; + dma_addr_t loaded_coeff_h; /* loaded h coeffs in SC */ + dma_addr_t loaded_coeff_v; /* loaded v coeffs in SC */ + + bool load_coeff_h; /* have new h SC coeffs */ + bool load_coeff_v; /* have new v SC coeffs */ + + unsigned int hs_index; /* h SC coeffs selector */ + unsigned int vs_index; /* v SC coeffs selector */ + struct platform_device *pdev; }; void sc_set_regs_bypass(struct sc_data *sc, u32 *sc_reg0); void sc_dump_regs(struct sc_data *sc); +void sc_set_hs_coeffs(struct sc_data *sc, void *addr, unsigned int src_w, + unsigned int dst_w); +void sc_set_vs_coeffs(struct sc_data *sc, void *addr, unsigned int src_h, + unsigned int dst_h); struct sc_data *sc_create(struct platform_device *pdev); #endif |