2 /* OMAP SSI port driver.
51 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_port_regs_show()  local
52 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_port_regs_show()
187 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_claim_lch()  local
188 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_claim_lch()
205 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_start_dma()  local
206 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_start_dma()
225 		err = dma_map_sg(&ssi->device, msg->sgt.sgl, msg->sgt.nents,  in ssi_start_dma()
228 			dev_dbg(&ssi->device, "DMA map SG failed !\n");  in ssi_start_dma()
242 		err = dma_map_sg(&ssi->device, msg->sgt.sgl, msg->sgt.nents,  in ssi_start_dma()
245 			dev_dbg(&ssi->device, "DMA map SG failed !\n");  in ssi_start_dma()
259 	dev_dbg(&ssi->device, "lch %d cdsp %08x ccr %04x s_addr %08x d_addr %08x\n",  in ssi_start_dma()
284 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_start_pio()  local
285 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_start_pio()
336 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_async_break()  local
337 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_async_break()
412 static u32 ssi_calculate_div(struct hsi_controller *ssi)  in ssi_calculate_div()  argument
414 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_calculate_div()
417 	/* / 2 : SSI TX clock is always half of the SSI functional clock */  in ssi_calculate_div()
421 	dev_dbg(&ssi->device, "TX div %d for fck_rate %lu Khz speed %d Kb/s\n",  in ssi_calculate_div()
452 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_setup()  local
453 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_setup()
464 	div = ssi_calculate_div(ssi);  in ssi_setup()
517 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_flush()  local
518 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_flush()
528 	/* stop all ssi communication */  in ssi_flush()
569 	/* Resume SSI communication */  in ssi_flush()
584 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in start_tx_work()  local
585 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in start_tx_work()
614 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_stop_tx()  local
615 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_stop_tx()
664 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_cleanup_queues()  local
665 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_cleanup_queues()
721 static void ssi_cleanup_gdd(struct hsi_controller *ssi, struct hsi_client *cl)  in ssi_cleanup_gdd()  argument
723 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_cleanup_gdd()
767 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_release()  local
772 	ssi_cleanup_gdd(ssi, cl);  in ssi_release()
784 		/* Stop any SSI TX/RX without a client */  in ssi_release()
802 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_error()  local
803 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_error()
812 	dev_err(&port->device, "SSI error: 0x%02x\n", err);  in ssi_error()
814 		dev_dbg(&port->device, "spurious SSI error ignored!\n");  in ssi_error()
860 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_break_complete()  local
861 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_break_complete()
889 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_pio_complete()  local
890 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_pio_complete()
954 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_pio_thread()  local
956 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_pio_thread()
993 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_wake_thread()  local
995 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_wake_thread()
1007 		dev_dbg(&ssi->device, "Wake in high\n");  in ssi_wake_thread()
1014 		dev_dbg(&ssi->device, "Wake in low\n");  in ssi_wake_thread()
1039 				ssi_pio_thread, IRQF_ONESHOT, "SSI PORT", port);  in ssi_port_irq()
1063 		"SSI cawake", port);  in ssi_wake_irq()
1124 	struct hsi_controller *ssi = dev_get_drvdata(pd->dev.parent);  in ssi_port_probe()  local
1125 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_port_probe()
1130 	dev_dbg(&pd->dev, "init ssi port...\n");  in ssi_port_probe()
1132 	if (!ssi->port || !omap_ssi->port) {  in ssi_port_probe()
1133 		dev_err(&pd->dev, "ssi controller not initialized!\n");  in ssi_port_probe()
1139 	for (port_id = 0; port_id < ssi->num_ports && omap_ssi->port[port_id];  in ssi_port_probe()
1143 	if (port_id >= ssi->num_ports) {  in ssi_port_probe()
1149 	port = ssi->port[port_id];  in ssi_port_probe()
1157 	cawake_gpio = devm_gpiod_get(&pd->dev, "ti,ssi-cawake", GPIOD_IN);  in ssi_port_probe()
1219 	dev_info(&pd->dev, "ssi port %u successfully initialized\n", port_id);  in ssi_port_probe()
1231 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_port_remove()  local
1232 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_port_remove()
1264 void omap_ssi_port_update_fclk(struct hsi_controller *ssi,  in omap_ssi_port_update_fclk()  argument
1268 	u32 div = ssi_calculate_div(ssi);  in omap_ssi_port_update_fclk()
1277 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_save_port_ctx()  local
1278 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_save_port_ctx()
1289 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in ssi_restore_port_ctx()  local
1290 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in ssi_restore_port_ctx()
1329 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in omap_ssi_port_runtime_suspend()  local
1330 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in omap_ssi_port_runtime_suspend()
1337 				omap_ssi->get_loss(ssi->device.parent);  in omap_ssi_port_runtime_suspend()
1347 	struct hsi_controller *ssi = to_hsi_controller(port->device.parent);  in omap_ssi_port_runtime_resume()  local
1348 	struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);  in omap_ssi_port_runtime_resume()
1353 				omap_ssi->get_loss(ssi->device.parent)))  in omap_ssi_port_runtime_resume()
1378 	{ .compatible = "ti,omap3-ssi-port", },