diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/reg_helper.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/reg_helper.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h index 3306e7b0b3e3..cf5a84b9e27c 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h +++ b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h @@ -445,4 +445,50 @@ uint32_t generic_reg_get8(const struct dc_context *ctx, uint32_t addr, uint8_t shift6, uint32_t mask6, uint32_t *field_value6, uint8_t shift7, uint32_t mask7, uint32_t *field_value7, uint8_t shift8, uint32_t mask8, uint32_t *field_value8); + + +/* indirect register access */ + +#define IX_REG_SET_N(index_reg_name, data_reg_name, index, n, initial_val, ...) \ + generic_indirect_reg_update_ex(CTX, \ + REG(index_reg_name), REG(data_reg_name), IND_REG(index), \ + initial_val, \ + n, __VA_ARGS__) + +#define IX_REG_SET_2(index_reg_name, data_reg_name, index, init_value, f1, v1, f2, v2) \ + IX_REG_SET_N(index_reg_name, data_reg_name, index, 2, init_value, \ + FN(reg, f1), v1,\ + FN(reg, f2), v2) + + +#define IX_REG_READ(index_reg_name, data_reg_name, index) \ + generic_read_indirect_reg(CTX, REG(index_reg_name), REG(data_reg_name), IND_REG(index)) + + + +#define IX_REG_UPDATE_N(index_reg_name, data_reg_name, index, n, ...) \ + generic_indirect_reg_update_ex(CTX, \ + REG(index_reg_name), REG(data_reg_name), IND_REG(index), \ + IX_REG_READ(index_reg_name, data_reg_name, index), \ + n, __VA_ARGS__) + +#define IX_REG_UPDATE_2(index_reg_name, data_reg_name, index, f1, v1, f2, v2) \ + IX_REG_UPDATE_N(index_reg_name, data_reg_name, index, 2,\ + FN(reg, f1), v1,\ + FN(reg, f2), v2) + +void generic_write_indirect_reg(const struct dc_context *ctx, + uint32_t addr_index, uint32_t addr_data, + uint32_t index, uint32_t data); + +uint32_t generic_read_indirect_reg(const struct dc_context *ctx, + uint32_t addr_index, uint32_t addr_data, + uint32_t index); + +uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx, + uint32_t addr_index, uint32_t addr_data, + uint32_t index, uint32_t reg_val, int n, + uint8_t shift1, uint32_t mask1, uint32_t field_value1, + ...); + #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_REG_HELPER_H_ */ |