132 static bool tegra_hsp_doorbell_can_ring(struct tegra_hsp_doorbell *db)  in tegra_hsp_doorbell_can_ring()  argument
136 	value = tegra_hsp_channel_readl(&db->channel, HSP_DB_ENABLE);  in tegra_hsp_doorbell_can_ring()
156 	struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_get()  local
160 	db = __tegra_hsp_doorbell_get(hsp, master);  in tegra_hsp_doorbell_get()
163 	return db;  in tegra_hsp_doorbell_get()
169 	struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_irq()  local
172 	db = tegra_hsp_doorbell_get(hsp, TEGRA_HSP_DB_MASTER_CCPLEX);  in tegra_hsp_doorbell_irq()
173 	if (!db)  in tegra_hsp_doorbell_irq()
176 	value = tegra_hsp_channel_readl(&db->channel, HSP_DB_PENDING);  in tegra_hsp_doorbell_irq()
177 	tegra_hsp_channel_writel(&db->channel, value, HSP_DB_PENDING);  in tegra_hsp_doorbell_irq()
182 		struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_irq()  local
184 		db = __tegra_hsp_doorbell_get(hsp, master);  in tegra_hsp_doorbell_irq()
196 		if (db && db->channel.chan)  in tegra_hsp_doorbell_irq()
197 			mbox_chan_received_data(db->channel.chan, NULL);  in tegra_hsp_doorbell_irq()
274 	struct tegra_hsp_doorbell *db;  in tegra_hsp_doorbell_create()  local
278 	db = devm_kzalloc(hsp->dev, sizeof(*db), GFP_KERNEL);  in tegra_hsp_doorbell_create()
279 	if (!db)  in tegra_hsp_doorbell_create()
285 	db->channel.regs = hsp->regs + offset;  in tegra_hsp_doorbell_create()
286 	db->channel.hsp = hsp;  in tegra_hsp_doorbell_create()
288 	db->name = devm_kstrdup_const(hsp->dev, name, GFP_KERNEL);  in tegra_hsp_doorbell_create()
289 	db->master = master;  in tegra_hsp_doorbell_create()
290 	db->index = index;  in tegra_hsp_doorbell_create()
293 	list_add_tail(&db->list, &hsp->doorbells);  in tegra_hsp_doorbell_create()
296 	return &db->channel;  in tegra_hsp_doorbell_create()
301 	struct tegra_hsp_doorbell *db = chan->con_priv;  in tegra_hsp_doorbell_send_data()  local
303 	tegra_hsp_channel_writel(&db->channel, 1, HSP_DB_TRIGGER);  in tegra_hsp_doorbell_send_data()
310 	struct tegra_hsp_doorbell *db = chan->con_priv;  in tegra_hsp_doorbell_startup()  local
311 	struct tegra_hsp *hsp = db->channel.hsp;  in tegra_hsp_doorbell_startup()
316 	if (db->master >= chan->mbox->num_chans) {  in tegra_hsp_doorbell_startup()
319 			db->master);  in tegra_hsp_doorbell_startup()
332 	if (tegra_is_silicon() && !tegra_hsp_doorbell_can_ring(db))  in tegra_hsp_doorbell_startup()
338 	value |= BIT(db->master);  in tegra_hsp_doorbell_startup()
348 	struct tegra_hsp_doorbell *db = chan->con_priv;  in tegra_hsp_doorbell_shutdown()  local
349 	struct tegra_hsp *hsp = db->channel.hsp;  in tegra_hsp_doorbell_shutdown()
361 	value &= ~BIT(db->master);  in tegra_hsp_doorbell_shutdown()
511 	struct tegra_hsp_doorbell *db;  in tegra_hsp_db_xlate()  local
519 	db = tegra_hsp_doorbell_get(hsp, master);  in tegra_hsp_db_xlate()
520 	if (db)  in tegra_hsp_db_xlate()
521 		channel = &db->channel;  in tegra_hsp_db_xlate()
532 			chan->con_priv = db;  in tegra_hsp_db_xlate()
790 	struct tegra_hsp_doorbell *db;  in tegra_hsp_resume()  local
792 	list_for_each_entry(db, &hsp->doorbells, list) {  in tegra_hsp_resume()
793 		if (db && db->channel.chan)  in tegra_hsp_resume()
794 			tegra_hsp_doorbell_startup(db->channel.chan);  in tegra_hsp_resume()