78 static int mei_vsc_fw_status(struct mei_device *mei_dev,  in mei_vsc_fw_status()  argument
89 static inline enum mei_pg_state mei_vsc_pg_state(struct mei_device *mei_dev)  in mei_vsc_pg_state()  argument
94 static void mei_vsc_intr_enable(struct mei_device *mei_dev)  in mei_vsc_intr_enable()  argument
96 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_intr_enable()
101 static void mei_vsc_intr_disable(struct mei_device *mei_dev)  in mei_vsc_intr_disable()  argument
103 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_intr_disable()
109 static void mei_vsc_intr_clear(struct mei_device *mei_dev)  in mei_vsc_intr_clear()  argument
114 static void mei_vsc_synchronize_irq(struct mei_device *mei_dev)  in mei_vsc_synchronize_irq()  argument
116 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_synchronize_irq()
121 static int mei_vsc_hw_config(struct mei_device *mei_dev)  in mei_vsc_hw_config()  argument
126 static bool mei_vsc_host_is_ready(struct mei_device *mei_dev)  in mei_vsc_host_is_ready()  argument
128 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_host_is_ready()
133 static bool mei_vsc_hw_is_ready(struct mei_device *mei_dev)  in mei_vsc_hw_is_ready()  argument
135 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_hw_is_ready()
140 static int mei_vsc_hw_start(struct mei_device *mei_dev)  in mei_vsc_hw_start()  argument
142 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_hw_start()
155 		dev_err(mei_dev->dev, "wait fw ready failed: %d\n", ret);  in mei_vsc_hw_start()
164 static bool mei_vsc_hbuf_is_ready(struct mei_device *mei_dev)  in mei_vsc_hbuf_is_ready()  argument
166 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_hbuf_is_ready()
171 static int mei_vsc_hbuf_empty_slots(struct mei_device *mei_dev)  in mei_vsc_hbuf_empty_slots()  argument
176 static u32 mei_vsc_hbuf_depth(const struct mei_device *mei_dev)  in mei_vsc_hbuf_depth()  argument
181 static int mei_vsc_write(struct mei_device *mei_dev,  in mei_vsc_write()  argument
185 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_write()
207 static inline u32 mei_vsc_read(const struct mei_device *mei_dev)  in mei_vsc_read()  argument
209 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_read()
222 static int mei_vsc_count_full_read_slots(struct mei_device *mei_dev)  in mei_vsc_count_full_read_slots()  argument
227 static int mei_vsc_read_slots(struct mei_device *mei_dev, unsigned char *buf,  in mei_vsc_read_slots()  argument
230 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_read_slots()
242 static bool mei_vsc_pg_in_transition(struct mei_device *mei_dev)  in mei_vsc_pg_in_transition()  argument
244 	return mei_dev->pg_event >= MEI_PG_EVENT_WAIT &&  in mei_vsc_pg_in_transition()
245 	       mei_dev->pg_event <= MEI_PG_EVENT_INTR_WAIT;  in mei_vsc_pg_in_transition()
248 static bool mei_vsc_pg_is_enabled(struct mei_device *mei_dev)  in mei_vsc_pg_is_enabled()  argument
253 static int mei_vsc_hw_reset(struct mei_device *mei_dev, bool intr_enable)  in mei_vsc_hw_reset()  argument
255 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_hw_reset()
262 	return vsc_tp_init(hw->tp, mei_dev->dev);  in mei_vsc_hw_reset()
295 	struct mei_device *mei_dev = context;  in mei_vsc_event_cb()  local
296 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_event_cb()
301 	if (mei_dev->dev_state == MEI_DEV_RESETTING ||  in mei_vsc_event_cb()
302 	    mei_dev->dev_state == MEI_DEV_INITIALIZING)  in mei_vsc_event_cb()
307 	guard(mutex)(&mei_dev->device_lock);  in mei_vsc_event_cb()
311 		slots = mei_count_full_read_slots(mei_dev);  in mei_vsc_event_cb()
313 		ret = mei_irq_read_handler(mei_dev, &cmpl_list, &slots);  in mei_vsc_event_cb()
316 				if (mei_dev->dev_state != MEI_DEV_RESETTING &&  in mei_vsc_event_cb()
317 				    mei_dev->dev_state != MEI_DEV_POWER_DOWN)  in mei_vsc_event_cb()
318 					schedule_work(&mei_dev->reset_work);  in mei_vsc_event_cb()
325 	mei_dev->hbuf_is_ready = mei_hbuf_is_ready(mei_dev);  in mei_vsc_event_cb()
326 	ret = mei_irq_write_handler(mei_dev, &cmpl_list);  in mei_vsc_event_cb()
328 		dev_err(mei_dev->dev, "dispatch write request failed: %d\n", ret);  in mei_vsc_event_cb()
330 	mei_dev->hbuf_is_ready = mei_hbuf_is_ready(mei_dev);  in mei_vsc_event_cb()
331 	mei_irq_compl_handler(mei_dev, &cmpl_list);  in mei_vsc_event_cb()
337 	struct mei_device *mei_dev;  in mei_vsc_probe()  local
346 	mei_dev = devm_kzalloc(dev, size_add(sizeof(*mei_dev), sizeof(*hw)),  in mei_vsc_probe()
348 	if (!mei_dev)  in mei_vsc_probe()
351 	mei_device_init(mei_dev, dev, false, &mei_vsc_hw_ops);  in mei_vsc_probe()
352 	mei_dev->fw_f_fw_ver_supported = 0;  in mei_vsc_probe()
353 	mei_dev->kind = "ivsc";  in mei_vsc_probe()
355 	hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_probe()
359 	platform_set_drvdata(pdev, mei_dev);  in mei_vsc_probe()
361 	vsc_tp_register_event_cb(tp, mei_vsc_event_cb, mei_dev);  in mei_vsc_probe()
363 	ret = mei_start(mei_dev);  in mei_vsc_probe()
369 	ret = mei_register(mei_dev, dev);  in mei_vsc_probe()
373 	pm_runtime_enable(mei_dev->dev);  in mei_vsc_probe()
378 	mei_stop(mei_dev);  in mei_vsc_probe()
381 	mei_cancel_work(mei_dev);  in mei_vsc_probe()
385 	mei_disable_interrupts(mei_dev);  in mei_vsc_probe()
392 	struct mei_device *mei_dev = platform_get_drvdata(pdev);  in mei_vsc_remove()  local
393 	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);  in mei_vsc_remove()
395 	pm_runtime_disable(mei_dev->dev);  in mei_vsc_remove()
397 	mei_stop(mei_dev);  in mei_vsc_remove()
401 	mei_disable_interrupts(mei_dev);  in mei_vsc_remove()
403 	mei_deregister(mei_dev);  in mei_vsc_remove()
408 	struct mei_device *mei_dev;  in mei_vsc_suspend()  local
411 	mei_dev = dev_get_drvdata(dev);  in mei_vsc_suspend()
412 	if (!mei_dev)  in mei_vsc_suspend()
415 	mutex_lock(&mei_dev->device_lock);  in mei_vsc_suspend()
417 	if (!mei_write_is_idle(mei_dev))  in mei_vsc_suspend()
420 	mutex_unlock(&mei_dev->device_lock);  in mei_vsc_suspend()
427 	struct mei_device *mei_dev;  in mei_vsc_resume()  local
429 	mei_dev = dev_get_drvdata(dev);  in mei_vsc_resume()
430 	if (!mei_dev)  in mei_vsc_resume()