Lines Matching refs:sirfport
32 sirfsoc_uart_pio_tx_chars(struct sirfsoc_uart_port *sirfport, int count);
69 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_tx_empty() local
70 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_tx_empty()
71 struct sirfsoc_fifo_status *ufifo_st = &sirfport->uart_reg->fifo_status; in sirfsoc_uart_tx_empty()
78 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_get_mctrl() local
79 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_get_mctrl()
80 if (!sirfport->hw_flow_ctrl || !sirfport->ms_enabled) in sirfsoc_uart_get_mctrl()
82 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_get_mctrl()
89 if (!gpio_get_value(sirfport->cts_gpio)) in sirfsoc_uart_get_mctrl()
102 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_set_mctrl() local
103 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_set_mctrl()
109 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) in sirfsoc_uart_set_mctrl()
118 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) in sirfsoc_uart_set_mctrl()
128 if (!sirfport->hw_flow_ctrl || !sirfport->ms_enabled) in sirfsoc_uart_set_mctrl()
130 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_set_mctrl()
136 gpio_set_value(sirfport->rts_gpio, 1); in sirfsoc_uart_set_mctrl()
138 gpio_set_value(sirfport->rts_gpio, 0); in sirfsoc_uart_set_mctrl()
144 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_stop_tx() local
145 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_stop_tx()
146 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_stop_tx()
148 if (sirfport->tx_dma_chan) { in sirfsoc_uart_stop_tx()
149 if (sirfport->tx_dma_state == TX_DMA_RUNNING) { in sirfsoc_uart_stop_tx()
150 dmaengine_pause(sirfport->tx_dma_chan); in sirfsoc_uart_stop_tx()
151 sirfport->tx_dma_state = TX_DMA_PAUSE; in sirfsoc_uart_stop_tx()
153 if (!sirfport->is_atlas7) in sirfsoc_uart_stop_tx()
162 if (sirfport->uart_reg->uart_type == SIRF_USP_UART) in sirfsoc_uart_stop_tx()
165 if (!sirfport->is_atlas7) in sirfsoc_uart_stop_tx()
175 static void sirfsoc_uart_tx_with_dma(struct sirfsoc_uart_port *sirfport) in sirfsoc_uart_tx_with_dma() argument
177 struct uart_port *port = &sirfport->port; in sirfsoc_uart_tx_with_dma()
178 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_tx_with_dma()
179 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_tx_with_dma()
190 if (sirfport->tx_dma_state == TX_DMA_PAUSE) { in sirfsoc_uart_tx_with_dma()
191 dmaengine_resume(sirfport->tx_dma_chan); in sirfsoc_uart_tx_with_dma()
194 if (sirfport->tx_dma_state == TX_DMA_RUNNING) in sirfsoc_uart_tx_with_dma()
196 if (!sirfport->is_atlas7) in sirfsoc_uart_tx_with_dma()
217 pio_tx_size = sirfsoc_uart_pio_tx_chars(sirfport, in sirfsoc_uart_tx_with_dma()
222 sirfsoc_uart_pio_tx_chars(sirfport, tran_size); in sirfsoc_uart_tx_with_dma()
223 if (!sirfport->is_atlas7) in sirfsoc_uart_tx_with_dma()
240 sirfport->tx_dma_addr = dma_map_single(port->dev, in sirfsoc_uart_tx_with_dma()
243 sirfport->tx_dma_desc = dmaengine_prep_slave_single( in sirfsoc_uart_tx_with_dma()
244 sirfport->tx_dma_chan, sirfport->tx_dma_addr, in sirfsoc_uart_tx_with_dma()
246 if (!sirfport->tx_dma_desc) { in sirfsoc_uart_tx_with_dma()
250 sirfport->tx_dma_desc->callback = in sirfsoc_uart_tx_with_dma()
252 sirfport->tx_dma_desc->callback_param = (void *)sirfport; in sirfsoc_uart_tx_with_dma()
253 sirfport->transfer_size = tran_size; in sirfsoc_uart_tx_with_dma()
255 dmaengine_submit(sirfport->tx_dma_desc); in sirfsoc_uart_tx_with_dma()
256 dma_async_issue_pending(sirfport->tx_dma_chan); in sirfsoc_uart_tx_with_dma()
257 sirfport->tx_dma_state = TX_DMA_RUNNING; in sirfsoc_uart_tx_with_dma()
263 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_start_tx() local
264 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_start_tx()
265 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_start_tx()
266 if (sirfport->tx_dma_chan) in sirfsoc_uart_start_tx()
267 sirfsoc_uart_tx_with_dma(sirfport); in sirfsoc_uart_start_tx()
269 if (sirfport->uart_reg->uart_type == SIRF_USP_UART) in sirfsoc_uart_start_tx()
273 sirfsoc_uart_pio_tx_chars(sirfport, port->fifosize); in sirfsoc_uart_start_tx()
275 if (!sirfport->is_atlas7) in sirfsoc_uart_start_tx()
287 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_stop_rx() local
288 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_stop_rx()
289 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_stop_rx()
292 if (sirfport->rx_dma_chan) { in sirfsoc_uart_stop_rx()
293 if (!sirfport->is_atlas7) in sirfsoc_uart_stop_rx()
297 sirfport->uart_reg->uart_type) | in sirfsoc_uart_stop_rx()
302 sirfport->uart_reg->uart_type)| in sirfsoc_uart_stop_rx()
304 dmaengine_terminate_all(sirfport->rx_dma_chan); in sirfsoc_uart_stop_rx()
306 if (!sirfport->is_atlas7) in sirfsoc_uart_stop_rx()
310 sirfport->uart_reg->uart_type))); in sirfsoc_uart_stop_rx()
314 sirfport->uart_reg->uart_type)); in sirfsoc_uart_stop_rx()
320 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_disable_ms() local
321 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_disable_ms()
322 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_disable_ms()
324 if (!sirfport->hw_flow_ctrl) in sirfsoc_uart_disable_ms()
326 sirfport->ms_enabled = false; in sirfsoc_uart_disable_ms()
327 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_disable_ms()
330 if (!sirfport->is_atlas7) in sirfsoc_uart_disable_ms()
338 disable_irq(gpio_to_irq(sirfport->cts_gpio)); in sirfsoc_uart_disable_ms()
343 struct sirfsoc_uart_port *sirfport = (struct sirfsoc_uart_port *)dev_id; in sirfsoc_uart_usp_cts_handler() local
344 struct uart_port *port = &sirfport->port; in sirfsoc_uart_usp_cts_handler()
346 if (gpio_is_valid(sirfport->cts_gpio) && sirfport->ms_enabled) in sirfsoc_uart_usp_cts_handler()
348 !gpio_get_value(sirfport->cts_gpio)); in sirfsoc_uart_usp_cts_handler()
355 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_enable_ms() local
356 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_enable_ms()
357 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_enable_ms()
359 if (!sirfport->hw_flow_ctrl) in sirfsoc_uart_enable_ms()
361 sirfport->ms_enabled = true; in sirfsoc_uart_enable_ms()
362 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_enable_ms()
367 if (!sirfport->is_atlas7) in sirfsoc_uart_enable_ms()
375 enable_irq(gpio_to_irq(sirfport->cts_gpio)); in sirfsoc_uart_enable_ms()
380 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_break_ctl() local
381 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_break_ctl()
382 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_break_ctl()
395 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_pio_rx_chars() local
396 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_pio_rx_chars()
397 struct sirfsoc_fifo_status *ufifo_st = &sirfport->uart_reg->fifo_status; in sirfsoc_uart_pio_rx_chars()
421 sirfsoc_uart_pio_tx_chars(struct sirfsoc_uart_port *sirfport, int count) in sirfsoc_uart_pio_tx_chars() argument
423 struct uart_port *port = &sirfport->port; in sirfsoc_uart_pio_tx_chars()
424 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_pio_tx_chars()
425 struct sirfsoc_fifo_status *ufifo_st = &sirfport->uart_reg->fifo_status; in sirfsoc_uart_pio_tx_chars()
445 struct sirfsoc_uart_port *sirfport = (struct sirfsoc_uart_port *)param; in sirfsoc_uart_tx_dma_complete_callback() local
446 struct uart_port *port = &sirfport->port; in sirfsoc_uart_tx_dma_complete_callback()
451 xmit->tail = (xmit->tail + sirfport->transfer_size) & in sirfsoc_uart_tx_dma_complete_callback()
453 port->icount.tx += sirfport->transfer_size; in sirfsoc_uart_tx_dma_complete_callback()
456 if (sirfport->tx_dma_addr) in sirfsoc_uart_tx_dma_complete_callback()
457 dma_unmap_single(port->dev, sirfport->tx_dma_addr, in sirfsoc_uart_tx_dma_complete_callback()
458 sirfport->transfer_size, DMA_TO_DEVICE); in sirfsoc_uart_tx_dma_complete_callback()
459 sirfport->tx_dma_state = TX_DMA_IDLE; in sirfsoc_uart_tx_dma_complete_callback()
460 sirfsoc_uart_tx_with_dma(sirfport); in sirfsoc_uart_tx_dma_complete_callback()
469 struct sirfsoc_uart_port *sirfport = (struct sirfsoc_uart_port *)dev_id; in sirfsoc_uart_isr() local
470 struct uart_port *port = &sirfport->port; in sirfsoc_uart_isr()
471 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_isr()
472 struct sirfsoc_fifo_status *ufifo_st = &sirfport->uart_reg->fifo_status; in sirfsoc_uart_isr()
473 struct sirfsoc_int_status *uint_st = &sirfport->uart_reg->uart_int_st; in sirfsoc_uart_isr()
474 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_isr()
482 sirfport->uart_reg->uart_type)))) { in sirfsoc_uart_isr()
508 if ((sirfport->uart_reg->uart_type == SIRF_REAL_UART) && in sirfsoc_uart_isr()
510 !sirfport->tx_dma_state) { in sirfsoc_uart_isr()
520 if (!sirfport->rx_dma_chan && in sirfsoc_uart_isr()
533 if (!sirfport->is_atlas7) { in sirfsoc_uart_isr()
548 if (!sirfport->is_atlas7) { in sirfsoc_uart_isr()
570 if (sirfport->tx_dma_chan) in sirfsoc_uart_isr()
571 sirfsoc_uart_tx_with_dma(sirfport); in sirfsoc_uart_isr()
577 sirfsoc_uart_pio_tx_chars(sirfport, in sirfsoc_uart_isr()
598 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_start_next_rx_dma() local
599 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_start_next_rx_dma()
600 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_start_next_rx_dma()
604 sirfport->rx_dma_items.xmit.tail = in sirfsoc_uart_start_next_rx_dma()
605 sirfport->rx_dma_items.xmit.head = 0; in sirfsoc_uart_start_next_rx_dma()
606 sirfport->rx_dma_items.desc = in sirfsoc_uart_start_next_rx_dma()
607 dmaengine_prep_dma_cyclic(sirfport->rx_dma_chan, in sirfsoc_uart_start_next_rx_dma()
608 sirfport->rx_dma_items.dma_addr, SIRFSOC_RX_DMA_BUF_SIZE, in sirfsoc_uart_start_next_rx_dma()
611 if (IS_ERR_OR_NULL(sirfport->rx_dma_items.desc)) { in sirfsoc_uart_start_next_rx_dma()
615 sirfport->rx_dma_items.desc->callback = in sirfsoc_uart_start_next_rx_dma()
617 sirfport->rx_dma_items.desc->callback_param = sirfport; in sirfsoc_uart_start_next_rx_dma()
618 sirfport->rx_dma_items.cookie = in sirfsoc_uart_start_next_rx_dma()
619 dmaengine_submit(sirfport->rx_dma_items.desc); in sirfsoc_uart_start_next_rx_dma()
620 dma_async_issue_pending(sirfport->rx_dma_chan); in sirfsoc_uart_start_next_rx_dma()
621 if (!sirfport->is_atlas7) in sirfsoc_uart_start_next_rx_dma()
625 sirfport->uart_reg->uart_type)); in sirfsoc_uart_start_next_rx_dma()
629 sirfport->uart_reg->uart_type)); in sirfsoc_uart_start_next_rx_dma()
697 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_set_termios() local
698 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_set_termios()
699 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_set_termios()
741 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_set_termios()
751 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_set_termios()
788 if (!sirfport->ms_enabled) in sirfsoc_uart_set_termios()
791 if (sirfport->ms_enabled) in sirfsoc_uart_set_termios()
801 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_set_termios()
827 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { in sirfsoc_uart_set_termios()
855 if (sirfport->tx_dma_chan) in sirfsoc_uart_set_termios()
859 if (sirfport->rx_dma_chan) in sirfsoc_uart_set_termios()
867 sirfport->rx_period_time = 20000000; in sirfsoc_uart_set_termios()
887 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_pm() local
889 clk_prepare_enable(sirfport->clk); in sirfsoc_uart_pm()
891 clk_disable_unprepare(sirfport->clk); in sirfsoc_uart_pm()
896 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_startup() local
897 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_startup()
898 struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en; in sirfsoc_uart_startup()
906 sirfport); in sirfsoc_uart_startup()
925 if (sirfport->uart_reg->uart_type == SIRF_USP_UART) in sirfsoc_uart_startup()
934 if (sirfport->rx_dma_chan) in sirfsoc_uart_startup()
939 if (sirfport->tx_dma_chan) { in sirfsoc_uart_startup()
940 sirfport->tx_dma_state = TX_DMA_IDLE; in sirfsoc_uart_startup()
946 sirfport->ms_enabled = false; in sirfsoc_uart_startup()
947 if (sirfport->uart_reg->uart_type == SIRF_USP_UART && in sirfsoc_uart_startup()
948 sirfport->hw_flow_ctrl) { in sirfsoc_uart_startup()
949 irq_modify_status(gpio_to_irq(sirfport->cts_gpio), in sirfsoc_uart_startup()
951 ret = request_irq(gpio_to_irq(sirfport->cts_gpio), in sirfsoc_uart_startup()
953 IRQF_TRIGGER_RISING, "usp_cts_irq", sirfport); in sirfsoc_uart_startup()
959 if (sirfport->uart_reg->uart_type == SIRF_REAL_UART && in sirfsoc_uart_startup()
960 sirfport->rx_dma_chan) in sirfsoc_uart_startup()
963 if (sirfport->uart_reg->uart_type == SIRF_USP_UART && in sirfsoc_uart_startup()
964 sirfport->rx_dma_chan) in sirfsoc_uart_startup()
968 if (sirfport->rx_dma_chan && !sirfport->is_hrt_enabled) { in sirfsoc_uart_startup()
969 sirfport->is_hrt_enabled = true; in sirfsoc_uart_startup()
970 sirfport->rx_period_time = 20000000; in sirfsoc_uart_startup()
971 sirfport->rx_last_pos = -1; in sirfsoc_uart_startup()
972 sirfport->pio_fetch_cnt = 0; in sirfsoc_uart_startup()
973 sirfport->rx_dma_items.xmit.tail = in sirfsoc_uart_startup()
974 sirfport->rx_dma_items.xmit.head = 0; in sirfsoc_uart_startup()
975 hrtimer_start(&sirfport->hrt, in sirfsoc_uart_startup()
976 ns_to_ktime(sirfport->rx_period_time), in sirfsoc_uart_startup()
980 if (sirfport->rx_dma_chan) in sirfsoc_uart_startup()
983 if (!sirfport->is_atlas7) in sirfsoc_uart_startup()
987 sirfport->uart_reg->uart_type)); in sirfsoc_uart_startup()
991 sirfport->uart_reg->uart_type)); in sirfsoc_uart_startup()
997 free_irq(port->irq, sirfport); in sirfsoc_uart_startup()
1004 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_shutdown() local
1005 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_shutdown()
1008 xmit = &sirfport->rx_dma_items.xmit; in sirfsoc_uart_shutdown()
1009 if (!sirfport->is_atlas7) in sirfsoc_uart_shutdown()
1014 free_irq(port->irq, sirfport); in sirfsoc_uart_shutdown()
1015 if (sirfport->ms_enabled) in sirfsoc_uart_shutdown()
1017 if (sirfport->uart_reg->uart_type == SIRF_USP_UART && in sirfsoc_uart_shutdown()
1018 sirfport->hw_flow_ctrl) { in sirfsoc_uart_shutdown()
1019 gpio_set_value(sirfport->rts_gpio, 1); in sirfsoc_uart_shutdown()
1020 free_irq(gpio_to_irq(sirfport->cts_gpio), sirfport); in sirfsoc_uart_shutdown()
1022 if (sirfport->tx_dma_chan) in sirfsoc_uart_shutdown()
1023 sirfport->tx_dma_state = TX_DMA_IDLE; in sirfsoc_uart_shutdown()
1024 if (sirfport->rx_dma_chan && sirfport->is_hrt_enabled) { in sirfsoc_uart_shutdown()
1026 SIRFUART_RX_FIFO_MASK) > sirfport->pio_fetch_cnt) && in sirfsoc_uart_shutdown()
1030 sirfport->is_hrt_enabled = false; in sirfsoc_uart_shutdown()
1031 hrtimer_cancel(&sirfport->hrt); in sirfsoc_uart_shutdown()
1042 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_request_port() local
1043 struct sirfsoc_uart_param *uart_param = &sirfport->uart_reg->uart_param; in sirfsoc_uart_request_port()
1090 struct sirfsoc_uart_port *sirfport; in sirfsoc_uart_console_setup() local
1094 sirfport = sirf_ports[co->index]; in sirfsoc_uart_console_setup()
1095 if (!sirfport) in sirfsoc_uart_console_setup()
1097 ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_console_setup()
1098 if (!sirfport->port.mapbase) in sirfsoc_uart_console_setup()
1102 if (sirfport->uart_reg->uart_type == SIRF_USP_UART) in sirfsoc_uart_console_setup()
1103 wr_regl(&sirfport->port, ureg->sirfsoc_mode1, SIRFSOC_USP_EN | in sirfsoc_uart_console_setup()
1107 sirfport->port.cons = co; in sirfsoc_uart_console_setup()
1110 sirfport->rx_dma_chan = NULL; in sirfsoc_uart_console_setup()
1111 sirfport->tx_dma_chan = NULL; in sirfsoc_uart_console_setup()
1112 return uart_set_options(&sirfport->port, co, baud, parity, bits, flow); in sirfsoc_uart_console_setup()
1117 struct sirfsoc_uart_port *sirfport = to_sirfport(port); in sirfsoc_uart_console_putchar() local
1118 struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_console_putchar()
1119 struct sirfsoc_fifo_status *ufifo_st = &sirfport->uart_reg->fifo_status; in sirfsoc_uart_console_putchar()
1129 struct sirfsoc_uart_port *sirfport = sirf_ports[co->index]; in sirfsoc_uart_console_write() local
1131 uart_console_write(&sirfport->port, s, count, in sirfsoc_uart_console_write()
1170 struct sirfsoc_uart_port *sirfport; in sirfsoc_uart_rx_dma_hrtimer_callback() local
1180 sirfport = container_of(hrt, struct sirfsoc_uart_port, hrt); in sirfsoc_uart_rx_dma_hrtimer_callback()
1181 port = &sirfport->port; in sirfsoc_uart_rx_dma_hrtimer_callback()
1184 ureg = &sirfport->uart_reg->uart_reg; in sirfsoc_uart_rx_dma_hrtimer_callback()
1185 xmit = &sirfport->rx_dma_items.xmit; in sirfsoc_uart_rx_dma_hrtimer_callback()
1186 ufifo_st = &sirfport->uart_reg->fifo_status; in sirfsoc_uart_rx_dma_hrtimer_callback()
1188 dmaengine_tx_status(sirfport->rx_dma_chan, in sirfsoc_uart_rx_dma_hrtimer_callback()
1189 sirfport->rx_dma_items.cookie, &tx_state); in sirfsoc_uart_rx_dma_hrtimer_callback()
1191 sirfport->rx_last_pos) { in sirfsoc_uart_rx_dma_hrtimer_callback()
1193 sirfport->rx_last_pos = xmit->head; in sirfsoc_uart_rx_dma_hrtimer_callback()
1194 sirfport->pio_fetch_cnt = 0; in sirfsoc_uart_rx_dma_hrtimer_callback()
1217 SIRFUART_RX_FIFO_MASK) > sirfport->pio_fetch_cnt)) { in sirfsoc_uart_rx_dma_hrtimer_callback()
1218 dmaengine_pause(sirfport->rx_dma_chan); in sirfsoc_uart_rx_dma_hrtimer_callback()
1242 sirfport->pio_fetch_cnt++; in sirfsoc_uart_rx_dma_hrtimer_callback()
1248 dmaengine_resume(sirfport->rx_dma_chan); in sirfsoc_uart_rx_dma_hrtimer_callback()
1251 hrtimer_forward_now(hrt, ns_to_ktime(sirfport->rx_period_time)); in sirfsoc_uart_rx_dma_hrtimer_callback()
1267 struct sirfsoc_uart_port *sirfport; in sirfsoc_uart_probe() local
1280 sirfport = devm_kzalloc(&pdev->dev, sizeof(*sirfport), GFP_KERNEL); in sirfsoc_uart_probe()
1281 if (!sirfport) { in sirfsoc_uart_probe()
1285 sirfport->port.line = of_alias_get_id(np, "serial"); in sirfsoc_uart_probe()
1286 if (sirfport->port.line >= ARRAY_SIZE(sirf_ports)) { in sirfsoc_uart_probe()
1288 sirfport->port.line); in sirfsoc_uart_probe()
1291 sirf_ports[sirfport->port.line] = sirfport; in sirfsoc_uart_probe()
1292 sirfport->port.iotype = UPIO_MEM; in sirfsoc_uart_probe()
1293 sirfport->port.flags = UPF_BOOT_AUTOCONF; in sirfsoc_uart_probe()
1294 port = &sirfport->port; in sirfsoc_uart_probe()
1296 port->private_data = sirfport; in sirfsoc_uart_probe()
1297 sirfport->uart_reg = (struct sirfsoc_uart_register *)match->data; in sirfsoc_uart_probe()
1299 sirfport->hw_flow_ctrl = in sirfsoc_uart_probe()
1304 sirfport->uart_reg->uart_type = SIRF_REAL_UART; in sirfsoc_uart_probe()
1307 sirfport->uart_reg->uart_type = SIRF_USP_UART; in sirfsoc_uart_probe()
1308 if (!sirfport->hw_flow_ctrl) in sirfsoc_uart_probe()
1311 sirfport->cts_gpio = in sirfsoc_uart_probe()
1314 sirfport->cts_gpio = -1; in sirfsoc_uart_probe()
1316 sirfport->rts_gpio = in sirfsoc_uart_probe()
1319 sirfport->rts_gpio = -1; in sirfsoc_uart_probe()
1321 if ((!gpio_is_valid(sirfport->cts_gpio) || in sirfsoc_uart_probe()
1322 !gpio_is_valid(sirfport->rts_gpio))) { in sirfsoc_uart_probe()
1328 ret = devm_gpio_request(&pdev->dev, sirfport->cts_gpio, in sirfsoc_uart_probe()
1334 gpio_direction_input(sirfport->cts_gpio); in sirfsoc_uart_probe()
1335 ret = devm_gpio_request(&pdev->dev, sirfport->rts_gpio, in sirfsoc_uart_probe()
1341 gpio_direction_output(sirfport->rts_gpio, 1); in sirfsoc_uart_probe()
1346 sirfport->is_atlas7 = true; in sirfsoc_uart_probe()
1377 sirfport->clk = devm_clk_get(&pdev->dev, NULL); in sirfsoc_uart_probe()
1378 if (IS_ERR(sirfport->clk)) { in sirfsoc_uart_probe()
1379 ret = PTR_ERR(sirfport->clk); in sirfsoc_uart_probe()
1382 port->uartclk = clk_get_rate(sirfport->clk); in sirfsoc_uart_probe()
1387 platform_set_drvdata(pdev, sirfport); in sirfsoc_uart_probe()
1394 sirfport->rx_dma_chan = dma_request_slave_channel(port->dev, "rx"); in sirfsoc_uart_probe()
1395 sirfport->rx_dma_items.xmit.buf = in sirfsoc_uart_probe()
1397 &sirfport->rx_dma_items.dma_addr, GFP_KERNEL); in sirfsoc_uart_probe()
1398 if (!sirfport->rx_dma_items.xmit.buf) { in sirfsoc_uart_probe()
1403 sirfport->rx_dma_items.xmit.head = in sirfsoc_uart_probe()
1404 sirfport->rx_dma_items.xmit.tail = 0; in sirfsoc_uart_probe()
1405 if (sirfport->rx_dma_chan) in sirfsoc_uart_probe()
1406 dmaengine_slave_config(sirfport->rx_dma_chan, &slv_cfg); in sirfsoc_uart_probe()
1407 sirfport->tx_dma_chan = dma_request_slave_channel(port->dev, "tx"); in sirfsoc_uart_probe()
1408 if (sirfport->tx_dma_chan) in sirfsoc_uart_probe()
1409 dmaengine_slave_config(sirfport->tx_dma_chan, &tx_slv_cfg); in sirfsoc_uart_probe()
1410 if (sirfport->rx_dma_chan) { in sirfsoc_uart_probe()
1411 hrtimer_init(&sirfport->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL); in sirfsoc_uart_probe()
1412 sirfport->hrt.function = sirfsoc_uart_rx_dma_hrtimer_callback; in sirfsoc_uart_probe()
1413 sirfport->is_hrt_enabled = false; in sirfsoc_uart_probe()
1419 sirfport->rx_dma_items.xmit.buf, in sirfsoc_uart_probe()
1420 sirfport->rx_dma_items.dma_addr); in sirfsoc_uart_probe()
1421 dma_release_channel(sirfport->rx_dma_chan); in sirfsoc_uart_probe()
1428 struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev); in sirfsoc_uart_remove() local
1429 struct uart_port *port = &sirfport->port; in sirfsoc_uart_remove()
1431 if (sirfport->rx_dma_chan) { in sirfsoc_uart_remove()
1432 dmaengine_terminate_all(sirfport->rx_dma_chan); in sirfsoc_uart_remove()
1433 dma_release_channel(sirfport->rx_dma_chan); in sirfsoc_uart_remove()
1435 sirfport->rx_dma_items.xmit.buf, in sirfsoc_uart_remove()
1436 sirfport->rx_dma_items.dma_addr); in sirfsoc_uart_remove()
1438 if (sirfport->tx_dma_chan) { in sirfsoc_uart_remove()
1439 dmaengine_terminate_all(sirfport->tx_dma_chan); in sirfsoc_uart_remove()
1440 dma_release_channel(sirfport->tx_dma_chan); in sirfsoc_uart_remove()
1449 struct sirfsoc_uart_port *sirfport = dev_get_drvdata(pdev); in sirfsoc_uart_suspend() local
1450 struct uart_port *port = &sirfport->port; in sirfsoc_uart_suspend()
1457 struct sirfsoc_uart_port *sirfport = dev_get_drvdata(pdev); in sirfsoc_uart_resume() local
1458 struct uart_port *port = &sirfport->port; in sirfsoc_uart_resume()