54 static int pnw_setup(struct mid8250 *mid, struct uart_port *p)  in pnw_setup()  argument
60 		mid->dma_index = 0;  in pnw_setup()
63 		mid->dma_index = 1;  in pnw_setup()
66 		mid->dma_index = 2;  in pnw_setup()
72 	mid->dma_dev = pci_get_slot(pdev->bus,  in pnw_setup()
77 static int tng_setup(struct mid8250 *mid, struct uart_port *p)  in tng_setup()  argument
86 	mid->dma_index = index;  in tng_setup()
87 	mid->dma_dev = pci_get_slot(pdev->bus, PCI_DEVFN(5, 0));  in tng_setup()
93 	struct mid8250 *mid = p->private_data;  in dnv_handle_irq()  local
98 		ret |= hsu_dma_irq(&mid->dma_chip, 1);  in dnv_handle_irq()
100 		ret |= hsu_dma_irq(&mid->dma_chip, 0);  in dnv_handle_irq()
108 static int dnv_setup(struct mid8250 *mid, struct uart_port *p)  in dnv_setup()  argument
110 	struct hsu_dma_chip *chip = &mid->dma_chip;  in dnv_setup()
112 	unsigned int bar = FL_GET_BASE(mid->board->flags);  in dnv_setup()
126 	mid->dma_dev = pdev;  in dnv_setup()
132 static void dnv_exit(struct mid8250 *mid)  in dnv_exit()  argument
134 	if (!mid->dma_dev)  in dnv_exit()
136 	hsu_dma_remove(&mid->dma_chip);  in dnv_exit()
146 	struct mid8250 *mid = p->private_data;  in mid8250_set_termios()  local
152 	if (mid->board->freq < fuart) {  in mid8250_set_termios()
154 		if (mid->board->freq > baud)  in mid8250_set_termios()
155 			ps = mid->board->freq / baud;	/* baud rate too high */  in mid8250_set_termios()
161 		fuart *= rounddown_pow_of_two(mid->board->freq / fuart);  in mid8250_set_termios()
164 	rational_best_approximation(fuart, mid->board->freq, w, w, &mul, &div);  in mid8250_set_termios()
185 static int mid8250_dma_setup(struct mid8250 *mid, struct uart_8250_port *port)  in mid8250_dma_setup()  argument
187 	struct uart_8250_dma *dma = &mid->dma;  in mid8250_dma_setup()
192 	if (!mid->dma_dev)  in mid8250_dma_setup()
203 	rx_param->chan_id = mid->dma_index * 2 + 1;  in mid8250_dma_setup()
204 	tx_param->chan_id = mid->dma_index * 2;  in mid8250_dma_setup()
209 	rx_param->dma_dev = &mid->dma_dev->dev;  in mid8250_dma_setup()
210 	tx_param->dma_dev = &mid->dma_dev->dev;  in mid8250_dma_setup()
223 	struct mid8250 *mid;  in mid8250_probe()  local
233 	mid = devm_kzalloc(&pdev->dev, sizeof(*mid), GFP_KERNEL);  in mid8250_probe()
234 	if (!mid)  in mid8250_probe()
237 	mid->board = (struct mid8250_board *)id->driver_data;  in mid8250_probe()
238 	bar = FL_GET_BASE(mid->board->flags);  in mid8250_probe()
244 	uart.port.private_data = mid;  in mid8250_probe()
247 	uart.port.uartclk = mid->board->base_baud * 16;  in mid8250_probe()
256 	if (mid->board->setup) {  in mid8250_probe()
257 		ret = mid->board->setup(mid, &uart.port);  in mid8250_probe()
262 	ret = mid8250_dma_setup(mid, &uart);  in mid8250_probe()
270 	mid->line = ret;  in mid8250_probe()
272 	pci_set_drvdata(pdev, mid);  in mid8250_probe()
275 	if (mid->board->exit)  in mid8250_probe()
276 		mid->board->exit(mid);  in mid8250_probe()
282 	struct mid8250 *mid = pci_get_drvdata(pdev);  in mid8250_remove()  local
284 	if (mid->board->exit)  in mid8250_remove()
285 		mid->board->exit(mid);  in mid8250_remove()
287 	serial8250_unregister_port(mid->line);  in mid8250_remove()