50 static void smu_v11_0_i2c_set_clock_gating(struct i2c_adapter *control, bool en)  in smu_v11_0_i2c_set_clock_gating()  argument
52 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_set_clock_gating()
60 static void smu_v11_0_i2c_enable(struct i2c_adapter *control, bool enable)  in smu_v11_0_i2c_enable()  argument
62 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_enable()
67 static void smu_v11_0_i2c_clear_status(struct i2c_adapter *control)  in smu_v11_0_i2c_clear_status()  argument
69 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_clear_status()
77 static void smu_v11_0_i2c_configure(struct i2c_adapter *control)  in smu_v11_0_i2c_configure()  argument
79 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_configure()
93 static void smu_v11_0_i2c_set_clock(struct i2c_adapter *control)  in smu_v11_0_i2c_set_clock()  argument
95 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_set_clock()
116 static void smu_v11_0_i2c_set_address(struct i2c_adapter *control, uint8_t address)  in smu_v11_0_i2c_set_address()  argument
118 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_set_address()
125 static uint32_t smu_v11_0_i2c_poll_tx_status(struct i2c_adapter *control)  in smu_v11_0_i2c_poll_tx_status()  argument
127 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_poll_tx_status()
170 		smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_poll_tx_status()
176 static uint32_t smu_v11_0_i2c_poll_rx_status(struct i2c_adapter *control)  in smu_v11_0_i2c_poll_rx_status()  argument
178 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_poll_rx_status()
190 		smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_poll_rx_status()
222 static uint32_t smu_v11_0_i2c_transmit(struct i2c_adapter *control,  in smu_v11_0_i2c_transmit()  argument
226 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_transmit()
241 	smu_v11_0_i2c_set_address(control, address);  in smu_v11_0_i2c_transmit()
243 	smu_v11_0_i2c_enable(control, true);  in smu_v11_0_i2c_transmit()
246 	smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_transmit()
293 	ret = smu_v11_0_i2c_poll_tx_status(control);  in smu_v11_0_i2c_transmit()
322 static uint32_t smu_v11_0_i2c_receive(struct i2c_adapter *control,  in smu_v11_0_i2c_receive()  argument
326 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_receive()
332 	smu_v11_0_i2c_set_address(control, address);  in smu_v11_0_i2c_receive()
335 	smu_v11_0_i2c_enable(control, true);  in smu_v11_0_i2c_receive()
340 		smu_v11_0_i2c_clear_status(control);  in smu_v11_0_i2c_receive()
362 		ret = smu_v11_0_i2c_poll_rx_status(control);  in smu_v11_0_i2c_receive()
397 static void smu_v11_0_i2c_abort(struct i2c_adapter *control)  in smu_v11_0_i2c_abort()  argument
399 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_abort()
414 static bool smu_v11_0_i2c_activity_done(struct i2c_adapter *control)  in smu_v11_0_i2c_activity_done()  argument
416 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_activity_done()
432 		smu_v11_0_i2c_abort(control);  in smu_v11_0_i2c_activity_done()
453 static void smu_v11_0_i2c_init(struct i2c_adapter *control)  in smu_v11_0_i2c_init()  argument
456 	smu_v11_0_i2c_set_clock_gating(control, false);  in smu_v11_0_i2c_init()
458 	if (!smu_v11_0_i2c_activity_done(control))  in smu_v11_0_i2c_init()
462 	smu_v11_0_i2c_enable(control, false);  in smu_v11_0_i2c_init()
465 	smu_v11_0_i2c_configure(control);  in smu_v11_0_i2c_init()
468 	smu_v11_0_i2c_set_clock(control);  in smu_v11_0_i2c_init()
472 static void smu_v11_0_i2c_fini(struct i2c_adapter *control)  in smu_v11_0_i2c_fini()  argument
474 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_fini()
477 	smu_v11_0_i2c_enable(control, false);  in smu_v11_0_i2c_fini()
490 		smu_v11_0_i2c_abort(control);  in smu_v11_0_i2c_fini()
502 	/* smu_v11_0_i2c_set_clock_gating(control, true); */  in smu_v11_0_i2c_fini()
506 static bool smu_v11_0_i2c_bus_lock(struct i2c_adapter *control)  in smu_v11_0_i2c_bus_lock()  argument
508 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_bus_lock()
517 static bool smu_v11_0_i2c_bus_unlock(struct i2c_adapter *control)  in smu_v11_0_i2c_bus_unlock()  argument
519 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_bus_unlock()
530 static uint32_t smu_v11_0_i2c_read_data(struct i2c_adapter *control,  in smu_v11_0_i2c_read_data()  argument
538 	ret = smu_v11_0_i2c_transmit(control, address, data, 2, I2C_NO_STOP);  in smu_v11_0_i2c_read_data()
543 	ret = smu_v11_0_i2c_receive(control, address, data + 2, numbytes - 2,  in smu_v11_0_i2c_read_data()
553 static uint32_t smu_v11_0_i2c_write_data(struct i2c_adapter *control,  in smu_v11_0_i2c_write_data()  argument
560 	ret = smu_v11_0_i2c_transmit(control, address, data, numbytes, 0);  in smu_v11_0_i2c_write_data()
660 int smu_v11_0_i2c_control_init(struct i2c_adapter *control)  in smu_v11_0_i2c_control_init()  argument
662 	struct amdgpu_device *adev = to_amdgpu_device(control);  in smu_v11_0_i2c_control_init()
665 	control->owner = THIS_MODULE;  in smu_v11_0_i2c_control_init()
666 	control->class = I2C_CLASS_SPD;  in smu_v11_0_i2c_control_init()
667 	control->dev.parent = &adev->pdev->dev;  in smu_v11_0_i2c_control_init()
668 	control->algo = &smu_v11_0_i2c_algo;  in smu_v11_0_i2c_control_init()
669 	snprintf(control->name, sizeof(control->name), "AMDGPU SMU");  in smu_v11_0_i2c_control_init()
670 	control->lock_ops = &smu_v11_0_i2c_i2c_lock_ops;  in smu_v11_0_i2c_control_init()
672 	res = i2c_add_adapter(control);  in smu_v11_0_i2c_control_init()
679 void smu_v11_0_i2c_control_fini(struct i2c_adapter *control)  in smu_v11_0_i2c_control_fini()  argument
681 	i2c_del_adapter(control);  in smu_v11_0_i2c_control_fini()
690 bool smu_v11_0_i2c_test_bus(struct i2c_adapter *control)
699 	if (!smu_v11_0_i2c_bus_lock(control)) {
704 	smu_v11_0_i2c_init(control);
707 	ret = smu_v11_0_i2c_write_data(control, I2C_TARGET_ADDR, data, 6);
709 	ret = smu_v11_0_i2c_read_data(control, I2C_TARGET_ADDR, data, 6);
711 	smu_v11_0_i2c_fini(control);
713 	smu_v11_0_i2c_bus_unlock(control);