drm/amd/powerplay: Add interface for I2C transactions to SMU.

Will be used by Arcturus support for RAS page retirement.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 402a021f237b06e1d6b0e072cabb2c9fdbeb1316..8120e7587585d0f09d6435a00e0e64a1dca7037e 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -393,6 +393,8 @@ struct smu_context
 
 };
 
+struct i2c_adapter;
+
 struct pptable_funcs {
        int (*alloc_dpm_context)(struct smu_context *smu);
        int (*store_powerplay_table)(struct smu_context *smu);
@@ -469,6 +471,8 @@ struct pptable_funcs {
                                   uint32_t dpm_level, uint32_t *freq);
        int (*set_df_cstate)(struct smu_context *smu, enum pp_df_cstate state);
        int (*update_pcie_parameters)(struct smu_context *smu, uint32_t pcie_gen_cap, uint32_t pcie_width_cap);
+       int (*i2c_eeprom_init)(struct i2c_adapter *control);
+       void (*i2c_eeprom_fini)(struct i2c_adapter *control);
        int (*get_dpm_clock_table)(struct smu_context *smu, struct dpm_clocks *clock_table);
        int (*init_microcode)(struct smu_context *smu);
        int (*load_microcode)(struct smu_context *smu);
@@ -552,6 +556,11 @@ int smu_check_fw_status(struct smu_context *smu);
 
 int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
 
+#define smu_i2c_eeprom_init(smu, control) \
+               ((smu)->ppt_funcs->i2c_eeprom_init ? (smu)->ppt_funcs->i2c_eeprom_init((control)) : -EINVAL)
+#define smu_i2c_eeprom_fini(smu, control) \
+               ((smu)->ppt_funcs->i2c_eeprom_fini ? (smu)->ppt_funcs->i2c_eeprom_fini((control)) : -EINVAL)
+
 int smu_set_fan_speed_rpm(struct smu_context *smu, uint32_t speed);
 
 int smu_get_power_limit(struct smu_context *smu,