47 static void smu_v11_0_i2c_set_clock_gating(struct i2c_adapter *control, bool en)  in smu_v11_0_i2c_set_clock_gating()  argument
49 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_set_clock_gating()
76 static int smu_v11_0_i2c_enable(struct i2c_adapter *control, bool enable)  in smu_v11_0_i2c_enable()  argument
78 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_enable()
102 static void smu_v11_0_i2c_clear_status(struct i2c_adapter *control)  in smu_v11_0_i2c_clear_status()  argument
104 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_clear_status()
113 static void smu_v11_0_i2c_configure(struct i2c_adapter *control)  in smu_v11_0_i2c_configure()  argument
115 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_configure()
135 static void smu_v11_0_i2c_set_clock(struct i2c_adapter *control)  in smu_v11_0_i2c_set_clock()  argument
137 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_set_clock()
159 static void smu_v11_0_i2c_set_address(struct i2c_adapter *control, u16 address)  in smu_v11_0_i2c_set_address()  argument
161 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_set_address()
171 static uint32_t smu_v11_0_i2c_poll_tx_status(struct i2c_adapter *control)  in smu_v11_0_i2c_poll_tx_status()  argument
173 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_poll_tx_status()
217 		smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_poll_tx_status()
223 static uint32_t smu_v11_0_i2c_poll_rx_status(struct i2c_adapter *control)  in smu_v11_0_i2c_poll_rx_status()  argument
225 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_poll_rx_status()
238 		smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_poll_rx_status()
268 static uint32_t smu_v11_0_i2c_transmit(struct i2c_adapter *control,  in smu_v11_0_i2c_transmit()  argument
272 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_transmit()
288 	smu_v11_0_i2c_set_address(control, address);  in smu_v11_0_i2c_transmit()
290 	smu_v11_0_i2c_enable(control, true);  in smu_v11_0_i2c_transmit()
293 	smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_transmit()
337 	ret = smu_v11_0_i2c_poll_tx_status(control);  in smu_v11_0_i2c_transmit()
367 static uint32_t smu_v11_0_i2c_receive(struct i2c_adapter *control,  in smu_v11_0_i2c_receive()  argument
371 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_receive()
378 	smu_v11_0_i2c_set_address(control, address);  in smu_v11_0_i2c_receive()
381 	smu_v11_0_i2c_enable(control, true);  in smu_v11_0_i2c_receive()
386 		smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_receive()
406 		ret = smu_v11_0_i2c_poll_rx_status(control);  in smu_v11_0_i2c_receive()
441 static void smu_v11_0_i2c_abort(struct i2c_adapter *control)  in smu_v11_0_i2c_abort()  argument
443 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_abort()
458 static bool smu_v11_0_i2c_activity_done(struct i2c_adapter *control)  in smu_v11_0_i2c_activity_done()  argument
460 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_activity_done()
476 		smu_v11_0_i2c_abort(control);  in smu_v11_0_i2c_activity_done()
497 static void smu_v11_0_i2c_init(struct i2c_adapter *control)  in smu_v11_0_i2c_init()  argument
502 	smu_v11_0_i2c_set_clock_gating(control, false);  in smu_v11_0_i2c_init()
504 	if (!smu_v11_0_i2c_activity_done(control))  in smu_v11_0_i2c_init()
508 	res = smu_v11_0_i2c_enable(control, false);  in smu_v11_0_i2c_init()
510 		smu_v11_0_i2c_abort(control);  in smu_v11_0_i2c_init()
513 	smu_v11_0_i2c_configure(control);  in smu_v11_0_i2c_init()
516 	smu_v11_0_i2c_set_clock(control);  in smu_v11_0_i2c_init()
520 static void smu_v11_0_i2c_fini(struct i2c_adapter *control)  in smu_v11_0_i2c_fini()  argument
522 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_fini()
527 	res = smu_v11_0_i2c_enable(control, false);  in smu_v11_0_i2c_fini()
540 		smu_v11_0_i2c_abort(control);  in smu_v11_0_i2c_fini()
556 static bool smu_v11_0_i2c_bus_lock(struct i2c_adapter *control)  in smu_v11_0_i2c_bus_lock()  argument
558 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_bus_lock()
568 static bool smu_v11_0_i2c_bus_unlock(struct i2c_adapter *control)  in smu_v11_0_i2c_bus_unlock()  argument
570 	struct amdgpu_smu_i2c_bus *smu_i2c = i2c_get_adapdata(control);  in smu_v11_0_i2c_bus_unlock()
582 static uint32_t smu_v11_0_i2c_read_data(struct i2c_adapter *control,  in smu_v11_0_i2c_read_data()  argument
587 	ret = smu_v11_0_i2c_receive(control, msg->addr, msg->buf, msg->len, i2c_flag);  in smu_v11_0_i2c_read_data()
595 static uint32_t smu_v11_0_i2c_write_data(struct i2c_adapter *control,  in smu_v11_0_i2c_write_data()  argument
600 	ret = smu_v11_0_i2c_transmit(control, msg->addr, msg->buf, msg->len, i2c_flag);  in smu_v11_0_i2c_write_data()
728 	struct i2c_adapter *control = &smu_i2c->adapter;  in smu_v11_0_i2c_control_init()  local
734 	control->owner = THIS_MODULE;  in smu_v11_0_i2c_control_init()
735 	control->class = I2C_CLASS_HWMON;  in smu_v11_0_i2c_control_init()
736 	control->dev.parent = &adev->pdev->dev;  in smu_v11_0_i2c_control_init()
737 	control->algo = &smu_v11_0_i2c_algo;  in smu_v11_0_i2c_control_init()
738 	snprintf(control->name, sizeof(control->name), "AMDGPU SMU 0");  in smu_v11_0_i2c_control_init()
739 	control->lock_ops = &smu_v11_0_i2c_i2c_lock_ops;  in smu_v11_0_i2c_control_init()
740 	control->quirks = &smu_v11_0_i2c_control_quirks;  in smu_v11_0_i2c_control_init()
741 	i2c_set_adapdata(control, smu_i2c);  in smu_v11_0_i2c_control_init()
746 	res = i2c_add_adapter(control);  in smu_v11_0_i2c_control_init()
755 	struct i2c_adapter *control = adev->pm.ras_eeprom_i2c_bus;  in smu_v11_0_i2c_control_fini()  local
757 	i2c_del_adapter(control);  in smu_v11_0_i2c_control_fini()
768 bool smu_v11_0_i2c_test_bus(struct i2c_adapter *control)
777 	if (!smu_v11_0_i2c_bus_lock(control)) {
782 	smu_v11_0_i2c_init(control);
785 	ret = smu_v11_0_i2c_write_data(control, I2C_TARGET_ADDR, data, 6);
787 	ret = smu_v11_0_i2c_read_data(control, I2C_TARGET_ADDR, data, 6);
789 	smu_v11_0_i2c_fini(control);
791 	smu_v11_0_i2c_bus_unlock(control);