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 | 34 |
1 files changed, 34 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 2470405e996b..a402df225a76 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h +++ b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h @@ -498,6 +498,40 @@ uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx, uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...); +/* indirect register access + * underlying implementation determines which index/data pair to be used + * in a synchronous way + */ +#define IX_REG_SET_N_SYNC(index, n, initial_val, ...) \ + generic_indirect_reg_update_ex_sync(CTX, \ + IND_REG(index), \ + initial_val, \ + n, __VA_ARGS__) + +#define IX_REG_SET_2_SYNC(index, init_value, f1, v1, f2, v2) \ + IX_REG_SET_N_SYNC(index, 2, init_value, \ + FN(reg, f1), v1,\ + FN(reg, f2), v2) + +#define IX_REG_GET_N_SYNC(index, n, ...) \ + generic_indirect_reg_get_sync(CTX, \ + IND_REG(index), \ + n, __VA_ARGS__) + +#define IX_REG_GET_SYNC(index, field, val) \ + IX_REG_GET_N_SYNC(index, 1, \ + FN(data_reg_name, field), val) + +uint32_t generic_indirect_reg_get_sync(const struct dc_context *ctx, + uint32_t index, int n, + uint8_t shift1, uint32_t mask1, uint32_t *field_value1, + ...); + +uint32_t generic_indirect_reg_update_ex_sync(const struct dc_context *ctx, + uint32_t index, uint32_t reg_val, int n, + uint8_t shift1, uint32_t mask1, uint32_t field_value1, + ...); + /* register offload macros * * instead of MMIO to register directly, in some cases we want |