155 static bool tegra_hsp_doorbell_can_ring(struct tegra_hsp_doorbell *db)  in tegra_hsp_doorbell_can_ring()  argument
159 	value = tegra_hsp_channel_readl(&db->channel, HSP_DB_ENABLE);  in tegra_hsp_doorbell_can_ring()
179 	struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_get()  local
183 	db = __tegra_hsp_doorbell_get(hsp, master);  in tegra_hsp_doorbell_get()
186 	return db;  in tegra_hsp_doorbell_get()
192 	struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_irq()  local
195 	db = tegra_hsp_doorbell_get(hsp, TEGRA_HSP_DB_MASTER_CCPLEX);  in tegra_hsp_doorbell_irq()
196 	if (!db)  in tegra_hsp_doorbell_irq()
199 	value = tegra_hsp_channel_readl(&db->channel, HSP_DB_PENDING);  in tegra_hsp_doorbell_irq()
200 	tegra_hsp_channel_writel(&db->channel, value, HSP_DB_PENDING);  in tegra_hsp_doorbell_irq()
205 		struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_irq()  local
207 		db = __tegra_hsp_doorbell_get(hsp, master);  in tegra_hsp_doorbell_irq()
219 		if (db && db->channel.chan)  in tegra_hsp_doorbell_irq()
220 			mbox_chan_received_data(db->channel.chan, NULL);  in tegra_hsp_doorbell_irq()
279 	struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_create()  local
283 	db = devm_kzalloc(hsp->dev, sizeof(*db), GFP_KERNEL);  in tegra_hsp_doorbell_create()
284 	if (!db)  in tegra_hsp_doorbell_create()
290 	db->channel.regs = hsp->regs + offset;  in tegra_hsp_doorbell_create()
291 	db->channel.hsp = hsp;  in tegra_hsp_doorbell_create()
293 	db->name = devm_kstrdup_const(hsp->dev, name, GFP_KERNEL);  in tegra_hsp_doorbell_create()
294 	db->master = master;  in tegra_hsp_doorbell_create()
295 	db->index = index;  in tegra_hsp_doorbell_create()
298 	list_add_tail(&db->list, &hsp->doorbells);  in tegra_hsp_doorbell_create()
301 	return &db->channel;  in tegra_hsp_doorbell_create()
306 	struct tegra_hsp_doorbell *db = chan->con_priv;  in tegra_hsp_doorbell_send_data()  local
308 	tegra_hsp_channel_writel(&db->channel, 1, HSP_DB_TRIGGER);  in tegra_hsp_doorbell_send_data()
315 	struct tegra_hsp_doorbell *db = chan->con_priv;  in tegra_hsp_doorbell_startup()  local
316 	struct tegra_hsp *hsp = db->channel.hsp;  in tegra_hsp_doorbell_startup()
321 	if (db->master >= chan->mbox->num_chans) {  in tegra_hsp_doorbell_startup()
324 			db->master);  in tegra_hsp_doorbell_startup()
337 	if (tegra_is_silicon() && !tegra_hsp_doorbell_can_ring(db))  in tegra_hsp_doorbell_startup()
343 	value |= BIT(db->master);  in tegra_hsp_doorbell_startup()
353 	struct tegra_hsp_doorbell *db = chan->con_priv;  in tegra_hsp_doorbell_shutdown()  local
354 	struct tegra_hsp *hsp = db->channel.hsp;  in tegra_hsp_doorbell_shutdown()
366 	value &= ~BIT(db->master);  in tegra_hsp_doorbell_shutdown()
594 	struct tegra_hsp_doorbell *db;  in tegra_hsp_db_xlate()  local
602 	db = tegra_hsp_doorbell_get(hsp, master);  in tegra_hsp_db_xlate()
603 	if (db)  in tegra_hsp_db_xlate()
604 		channel = &db->channel;  in tegra_hsp_db_xlate()
615 			chan->con_priv = db;  in tegra_hsp_db_xlate()
890 	struct tegra_hsp_doorbell *db;  in tegra_hsp_resume()  local
892 	list_for_each_entry(db, &hsp->doorbells, list) {  in tegra_hsp_resume()
893 		if (db->channel.chan)  in tegra_hsp_resume()
894 			tegra_hsp_doorbell_startup(db->channel.chan);  in tegra_hsp_resume()