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-rw-r--r--drivers/serial/8250.c7
-rw-r--r--drivers/serial/Kconfig21
-rw-r--r--drivers/serial/Makefile1
-rw-r--r--drivers/serial/bcm63xx_uart.c890
-rw-r--r--drivers/serial/icom.c54
-rw-r--r--drivers/serial/serial_txx9.c39
6 files changed, 965 insertions, 47 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 2209620d2349..b1ae774016f1 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -64,6 +64,8 @@ static int serial_index(struct uart_port *port)
64 return (serial8250_reg.minor - 64) + port->line; 64 return (serial8250_reg.minor - 64) + port->line;
65} 65}
66 66
67static unsigned int skip_txen_test; /* force skip of txen test at init time */
68
67/* 69/*
68 * Debugging. 70 * Debugging.
69 */ 71 */
@@ -2108,7 +2110,7 @@ static int serial8250_startup(struct uart_port *port)
2108 is variable. So, let's just don't test if we receive 2110 is variable. So, let's just don't test if we receive
2109 TX irq. This way, we'll never enable UART_BUG_TXEN. 2111 TX irq. This way, we'll never enable UART_BUG_TXEN.
2110 */ 2112 */
2111 if (up->port.flags & UPF_NO_TXEN_TEST) 2113 if (skip_txen_test || up->port.flags & UPF_NO_TXEN_TEST)
2112 goto dont_test_tx_en; 2114 goto dont_test_tx_en;
2113 2115
2114 /* 2116 /*
@@ -3248,6 +3250,9 @@ MODULE_PARM_DESC(share_irqs, "Share IRQs with other non-8250/16x50 devices"
3248module_param(nr_uarts, uint, 0644); 3250module_param(nr_uarts, uint, 0644);
3249MODULE_PARM_DESC(nr_uarts, "Maximum number of UARTs supported. (1-" __MODULE_STRING(CONFIG_SERIAL_8250_NR_UARTS) ")"); 3251MODULE_PARM_DESC(nr_uarts, "Maximum number of UARTs supported. (1-" __MODULE_STRING(CONFIG_SERIAL_8250_NR_UARTS) ")");
3250 3252
3253module_param(skip_txen_test, uint, 0644);
3254MODULE_PARM_DESC(skip_txen_test, "Skip checking for the TXEN bug at init time");
3255
3251#ifdef CONFIG_SERIAL_8250_RSA 3256#ifdef CONFIG_SERIAL_8250_RSA
3252module_param_array(probe_rsa, ulong, &probe_rsa_count, 0444); 3257module_param_array(probe_rsa, ulong, &probe_rsa_count, 0444);
3253MODULE_PARM_DESC(probe_rsa, "Probe I/O ports for RSA"); 3258MODULE_PARM_DESC(probe_rsa, "Probe I/O ports for RSA");
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 03422ce878cf..e52257257279 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -862,7 +862,7 @@ config SERIAL_IMX_CONSOLE
862 862
863config SERIAL_UARTLITE 863config SERIAL_UARTLITE
864 tristate "Xilinx uartlite serial port support" 864 tristate "Xilinx uartlite serial port support"
865 depends on PPC32 || MICROBLAZE 865 depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE
866 select SERIAL_CORE 866 select SERIAL_CORE
867 help 867 help
868 Say Y here if you want to use the Xilinx uartlite serial controller. 868 Say Y here if you want to use the Xilinx uartlite serial controller.
@@ -1458,4 +1458,23 @@ config SERIAL_TIMBERDALE
1458 ---help--- 1458 ---help---
1459 Add support for UART controller on timberdale. 1459 Add support for UART controller on timberdale.
1460 1460
1461config SERIAL_BCM63XX
1462 tristate "bcm63xx serial port support"
1463 select SERIAL_CORE
1464 depends on BCM63XX
1465 help
1466 If you have a bcm63xx CPU, you can enable its onboard
1467 serial port by enabling this options.
1468
1469 To compile this driver as a module, choose M here: the
1470 module will be called bcm963xx_uart.
1471
1472config SERIAL_BCM63XX_CONSOLE
1473 bool "Console on bcm63xx serial port"
1474 depends on SERIAL_BCM63XX=y
1475 select SERIAL_CORE_CONSOLE
1476 help
1477 If you have enabled the serial port on the bcm63xx CPU
1478 you can make it the console by answering Y to this option.
1479
1461endmenu 1480endmenu
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 97f6fcc8b432..d21d5dd5d048 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_SERIAL_CLPS711X) += clps711x.o
34obj-$(CONFIG_SERIAL_PXA) += pxa.o 34obj-$(CONFIG_SERIAL_PXA) += pxa.o
35obj-$(CONFIG_SERIAL_PNX8XXX) += pnx8xxx_uart.o 35obj-$(CONFIG_SERIAL_PNX8XXX) += pnx8xxx_uart.o
36obj-$(CONFIG_SERIAL_SA1100) += sa1100.o 36obj-$(CONFIG_SERIAL_SA1100) += sa1100.o
37obj-$(CONFIG_SERIAL_BCM63XX) += bcm63xx_uart.o
37obj-$(CONFIG_SERIAL_BFIN) += bfin_5xx.o 38obj-$(CONFIG_SERIAL_BFIN) += bfin_5xx.o
38obj-$(CONFIG_SERIAL_BFIN_SPORT) += bfin_sport_uart.o 39obj-$(CONFIG_SERIAL_BFIN_SPORT) += bfin_sport_uart.o
39obj-$(CONFIG_SERIAL_SAMSUNG) += samsung.o 40obj-$(CONFIG_SERIAL_SAMSUNG) += samsung.o
diff --git a/drivers/serial/bcm63xx_uart.c b/drivers/serial/bcm63xx_uart.c
new file mode 100644
index 000000000000..beddaa6e9069
--- /dev/null
+++ b/drivers/serial/bcm63xx_uart.c
@@ -0,0 +1,890 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Derived from many drivers using generic_serial interface.
7 *
8 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
9 *
10 * Serial driver for BCM63xx integrated UART.
11 *
12 * Hardware flow control was _not_ tested since I only have RX/TX on
13 * my board.
14 */
15
16#if defined(CONFIG_SERIAL_BCM63XX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
17#define SUPPORT_SYSRQ
18#endif
19
20#include <linux/kernel.h>
21#include <linux/platform_device.h>
22#include <linux/init.h>
23#include <linux/delay.h>
24#include <linux/module.h>
25#include <linux/console.h>
26#include <linux/clk.h>
27#include <linux/tty.h>
28#include <linux/tty_flip.h>
29#include <linux/sysrq.h>
30#include <linux/serial.h>
31#include <linux/serial_core.h>
32
33#include <bcm63xx_clk.h>
34#include <bcm63xx_irq.h>
35#include <bcm63xx_regs.h>
36#include <bcm63xx_io.h>
37
38#define BCM63XX_NR_UARTS 1
39
40static struct uart_port ports[BCM63XX_NR_UARTS];
41
42/*
43 * rx interrupt mask / stat
44 *
45 * mask:
46 * - rx fifo full
47 * - rx fifo above threshold
48 * - rx fifo not empty for too long
49 */
50#define UART_RX_INT_MASK (UART_IR_MASK(UART_IR_RXOVER) | \
51 UART_IR_MASK(UART_IR_RXTHRESH) | \
52 UART_IR_MASK(UART_IR_RXTIMEOUT))
53
54#define UART_RX_INT_STAT (UART_IR_STAT(UART_IR_RXOVER) | \
55 UART_IR_STAT(UART_IR_RXTHRESH) | \
56 UART_IR_STAT(UART_IR_RXTIMEOUT))
57
58/*
59 * tx interrupt mask / stat
60 *
61 * mask:
62 * - tx fifo empty
63 * - tx fifo below threshold
64 */
65#define UART_TX_INT_MASK (UART_IR_MASK(UART_IR_TXEMPTY) | \
66 UART_IR_MASK(UART_IR_TXTRESH))
67
68#define UART_TX_INT_STAT (UART_IR_STAT(UART_IR_TXEMPTY) | \
69 UART_IR_STAT(UART_IR_TXTRESH))
70
71/*
72 * external input interrupt
73 *
74 * mask: any edge on CTS, DCD
75 */
76#define UART_EXTINP_INT_MASK (UART_EXTINP_IRMASK(UART_EXTINP_IR_CTS) | \
77 UART_EXTINP_IRMASK(UART_EXTINP_IR_DCD))
78
79/*
80 * handy uart register accessor
81 */
82static inline unsigned int bcm_uart_readl(struct uart_port *port,
83 unsigned int offset)
84{
85 return bcm_readl(port->membase + offset);
86}
87
88static inline void bcm_uart_writel(struct uart_port *port,
89 unsigned int value, unsigned int offset)
90{
91 bcm_writel(value, port->membase + offset);
92}
93
94/*
95 * serial core request to check if uart tx fifo is empty
96 */
97static unsigned int bcm_uart_tx_empty(struct uart_port *port)
98{
99 unsigned int val;
100
101 val = bcm_uart_readl(port, UART_IR_REG);
102 return (val & UART_IR_STAT(UART_IR_TXEMPTY)) ? 1 : 0;
103}
104
105/*
106 * serial core request to set RTS and DTR pin state and loopback mode
107 */
108static void bcm_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
109{
110 unsigned int val;
111
112 val = bcm_uart_readl(port, UART_MCTL_REG);
113 val &= ~(UART_MCTL_DTR_MASK | UART_MCTL_RTS_MASK);
114 /* invert of written value is reflected on the pin */
115 if (!(mctrl & TIOCM_DTR))
116 val |= UART_MCTL_DTR_MASK;
117 if (!(mctrl & TIOCM_RTS))
118 val |= UART_MCTL_RTS_MASK;
119 bcm_uart_writel(port, val, UART_MCTL_REG);
120
121 val = bcm_uart_readl(port, UART_CTL_REG);
122 if (mctrl & TIOCM_LOOP)
123 val |= UART_CTL_LOOPBACK_MASK;
124 else
125 val &= ~UART_CTL_LOOPBACK_MASK;
126 bcm_uart_writel(port, val, UART_CTL_REG);
127}
128
129/*
130 * serial core request to return RI, CTS, DCD and DSR pin state
131 */
132static unsigned int bcm_uart_get_mctrl(struct uart_port *port)
133{
134 unsigned int val, mctrl;
135
136 mctrl = 0;
137 val = bcm_uart_readl(port, UART_EXTINP_REG);
138 if (val & UART_EXTINP_RI_MASK)
139 mctrl |= TIOCM_RI;
140 if (val & UART_EXTINP_CTS_MASK)
141 mctrl |= TIOCM_CTS;
142 if (val & UART_EXTINP_DCD_MASK)
143 mctrl |= TIOCM_CD;
144 if (val & UART_EXTINP_DSR_MASK)
145 mctrl |= TIOCM_DSR;
146 return mctrl;
147}
148
149/*
150 * serial core request to disable tx ASAP (used for flow control)
151 */
152static void bcm_uart_stop_tx(struct uart_port *port)
153{
154 unsigned int val;
155
156 val = bcm_uart_readl(port, UART_CTL_REG);
157 val &= ~(UART_CTL_TXEN_MASK);
158 bcm_uart_writel(port, val, UART_CTL_REG);
159
160 val = bcm_uart_readl(port, UART_IR_REG);
161 val &= ~UART_TX_INT_MASK;
162 bcm_uart_writel(port, val, UART_IR_REG);
163}
164
165/*
166 * serial core request to (re)enable tx
167 */
168static void bcm_uart_start_tx(struct uart_port *port)
169{
170 unsigned int val;
171
172 val = bcm_uart_readl(port, UART_IR_REG);
173 val |= UART_TX_INT_MASK;
174 bcm_uart_writel(port, val, UART_IR_REG);
175
176 val = bcm_uart_readl(port, UART_CTL_REG);
177 val |= UART_CTL_TXEN_MASK;
178 bcm_uart_writel(port, val, UART_CTL_REG);
179}
180
181/*
182 * serial core request to stop rx, called before port shutdown
183 */
184static void bcm_uart_stop_rx(struct uart_port *port)
185{
186 unsigned int val;
187
188 val = bcm_uart_readl(port, UART_IR_REG);
189 val &= ~UART_RX_INT_MASK;
190 bcm_uart_writel(port, val, UART_IR_REG);
191}
192
193/*
194 * serial core request to enable modem status interrupt reporting
195 */
196static void bcm_uart_enable_ms(struct uart_port *port)
197{
198 unsigned int val;
199
200 val = bcm_uart_readl(port, UART_IR_REG);
201 val |= UART_IR_MASK(UART_IR_EXTIP);
202 bcm_uart_writel(port, val, UART_IR_REG);
203}
204
205/*
206 * serial core request to start/stop emitting break char
207 */
208static void bcm_uart_break_ctl(struct uart_port *port, int ctl)
209{
210 unsigned long flags;
211 unsigned int val;
212
213 spin_lock_irqsave(&port->lock, flags);
214
215 val = bcm_uart_readl(port, UART_CTL_REG);
216 if (ctl)
217 val |= UART_CTL_XMITBRK_MASK;
218 else
219 val &= ~UART_CTL_XMITBRK_MASK;
220 bcm_uart_writel(port, val, UART_CTL_REG);
221
222 spin_unlock_irqrestore(&port->lock, flags);
223}
224
225/*
226 * return port type in string format
227 */
228static const char *bcm_uart_type(struct uart_port *port)
229{
230 return (port->type == PORT_BCM63XX) ? "bcm63xx_uart" : NULL;
231}
232
233/*
234 * read all chars in rx fifo and send them to core
235 */
236static void bcm_uart_do_rx(struct uart_port *port)
237{
238 struct tty_struct *tty;
239 unsigned int max_count;
240
241 /* limit number of char read in interrupt, should not be
242 * higher than fifo size anyway since we're much faster than
243 * serial port */
244 max_count = 32;
245 tty = port->info->port.tty;
246 do {
247 unsigned int iestat, c, cstat;
248 char flag;
249
250 /* get overrun/fifo empty information from ier
251 * register */
252 iestat = bcm_uart_readl(port, UART_IR_REG);
253 if (!(iestat & UART_IR_STAT(UART_IR_RXNOTEMPTY)))
254 break;
255
256 cstat = c = bcm_uart_readl(port, UART_FIFO_REG);
257 port->icount.rx++;
258 flag = TTY_NORMAL;
259 c &= 0xff;
260
261 if (unlikely((cstat & UART_FIFO_ANYERR_MASK))) {
262 /* do stats first */
263 if (cstat & UART_FIFO_BRKDET_MASK) {
264 port->icount.brk++;
265 if (uart_handle_break(port))
266 continue;
267 }
268
269 if (cstat & UART_FIFO_PARERR_MASK)
270 port->icount.parity++;
271 if (cstat & UART_FIFO_FRAMEERR_MASK)
272 port->icount.frame++;
273
274 /* update flag wrt read_status_mask */
275 cstat &= port->read_status_mask;
276 if (cstat & UART_FIFO_BRKDET_MASK)
277 flag = TTY_BREAK;
278 if (cstat & UART_FIFO_FRAMEERR_MASK)
279 flag = TTY_FRAME;
280 if (cstat & UART_FIFO_PARERR_MASK)
281 flag = TTY_PARITY;
282 }
283
284 if (uart_handle_sysrq_char(port, c))
285 continue;
286
287 if (unlikely(iestat & UART_IR_STAT(UART_IR_RXOVER))) {
288 port->icount.overrun++;
289 tty_insert_flip_char(tty, 0, TTY_OVERRUN);
290 }
291
292 if ((cstat & port->ignore_status_mask) == 0)
293 tty_insert_flip_char(tty, c, flag);
294
295 } while (--max_count);
296
297 tty_flip_buffer_push(tty);
298}
299
300/*
301 * fill tx fifo with chars to send, stop when fifo is about to be full
302 * or when all chars have been sent.
303 */
304static void bcm_uart_do_tx(struct uart_port *port)
305{
306 struct circ_buf *xmit;
307 unsigned int val, max_count;
308
309 if (port->x_char) {
310 bcm_uart_writel(port, port->x_char, UART_FIFO_REG);
311 port->icount.tx++;
312 port->x_char = 0;
313 return;
314 }
315
316 if (uart_tx_stopped(port)) {
317 bcm_uart_stop_tx(port);
318 return;
319 }
320
321 xmit = &port->info->xmit;
322 if (uart_circ_empty(xmit))
323 goto txq_empty;
324
325 val = bcm_uart_readl(port, UART_MCTL_REG);
326 val = (val & UART_MCTL_TXFIFOFILL_MASK) >> UART_MCTL_TXFIFOFILL_SHIFT;
327 max_count = port->fifosize - val;
328
329 while (max_count--) {
330 unsigned int c;
331
332 c = xmit->buf[xmit->tail];
333 bcm_uart_writel(port, c, UART_FIFO_REG);
334 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
335 port->icount.tx++;
336 if (uart_circ_empty(xmit))
337 break;
338 }
339
340 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
341 uart_write_wakeup(port);
342
343 if (uart_circ_empty(xmit))
344 goto txq_empty;
345 return;
346
347txq_empty:
348 /* nothing to send, disable transmit interrupt */
349 val = bcm_uart_readl(port, UART_IR_REG);
350 val &= ~UART_TX_INT_MASK;
351 bcm_uart_writel(port, val, UART_IR_REG);
352 return;
353}
354
355/*
356 * process uart interrupt
357 */
358static irqreturn_t bcm_uart_interrupt(int irq, void *dev_id)
359{
360 struct uart_port *port;
361 unsigned int irqstat;
362
363 port = dev_id;
364 spin_lock(&port->lock);
365
366 irqstat = bcm_uart_readl(port, UART_IR_REG);
367 if (irqstat & UART_RX_INT_STAT)
368 bcm_uart_do_rx(port);
369
370 if (irqstat & UART_TX_INT_STAT)
371 bcm_uart_do_tx(port);
372
373 if (irqstat & UART_IR_MASK(UART_IR_EXTIP)) {
374 unsigned int estat;
375
376 estat = bcm_uart_readl(port, UART_EXTINP_REG);
377 if (estat & UART_EXTINP_IRSTAT(UART_EXTINP_IR_CTS))
378 uart_handle_cts_change(port,
379 estat & UART_EXTINP_CTS_MASK);
380 if (estat & UART_EXTINP_IRSTAT(UART_EXTINP_IR_DCD))
381 uart_handle_dcd_change(port,
382 estat & UART_EXTINP_DCD_MASK);
383 }
384
385 spin_unlock(&port->lock);
386 return IRQ_HANDLED;
387}
388
389/*
390 * enable rx & tx operation on uart
391 */
392static void bcm_uart_enable(struct uart_port *port)
393{
394 unsigned int val;
395
396 val = bcm_uart_readl(port, UART_CTL_REG);
397 val |= (UART_CTL_BRGEN_MASK | UART_CTL_TXEN_MASK | UART_CTL_RXEN_MASK);
398 bcm_uart_writel(port, val, UART_CTL_REG);
399}
400
401/*
402 * disable rx & tx operation on uart
403 */
404static void bcm_uart_disable(struct uart_port *port)
405{
406 unsigned int val;
407
408 val = bcm_uart_readl(port, UART_CTL_REG);
409 val &= ~(UART_CTL_BRGEN_MASK | UART_CTL_TXEN_MASK |
410 UART_CTL_RXEN_MASK);
411 bcm_uart_writel(port, val, UART_CTL_REG);
412}
413
414/*
415 * clear all unread data in rx fifo and unsent data in tx fifo
416 */
417static void bcm_uart_flush(struct uart_port *port)
418{
419 unsigned int val;
420
421 /* empty rx and tx fifo */
422 val = bcm_uart_readl(port, UART_CTL_REG);
423 val |= UART_CTL_RSTRXFIFO_MASK | UART_CTL_RSTTXFIFO_MASK;
424 bcm_uart_writel(port, val, UART_CTL_REG);
425
426 /* read any pending char to make sure all irq status are
427 * cleared */
428 (void)bcm_uart_readl(port, UART_FIFO_REG);
429}
430
431/*
432 * serial core request to initialize uart and start rx operation
433 */
434static int bcm_uart_startup(struct uart_port *port)
435{
436 unsigned int val;
437 int ret;
438
439 /* mask all irq and flush port */
440 bcm_uart_disable(port);
441 bcm_uart_writel(port, 0, UART_IR_REG);
442 bcm_uart_flush(port);
443
444 /* clear any pending external input interrupt */
445 (void)bcm_uart_readl(port, UART_EXTINP_REG);
446
447 /* set rx/tx fifo thresh to fifo half size */
448 val = bcm_uart_readl(port, UART_MCTL_REG);
449 val &= ~(UART_MCTL_RXFIFOTHRESH_MASK | UART_MCTL_TXFIFOTHRESH_MASK);
450 val |= (port->fifosize / 2) << UART_MCTL_RXFIFOTHRESH_SHIFT;
451 val |= (port->fifosize / 2) << UART_MCTL_TXFIFOTHRESH_SHIFT;
452 bcm_uart_writel(port, val, UART_MCTL_REG);
453
454 /* set rx fifo timeout to 1 char time */
455 val = bcm_uart_readl(port, UART_CTL_REG);
456 val &= ~UART_CTL_RXTMOUTCNT_MASK;
457 val |= 1 << UART_CTL_RXTMOUTCNT_SHIFT;
458 bcm_uart_writel(port, val, UART_CTL_REG);
459
460 /* report any edge on dcd and cts */
461 val = UART_EXTINP_INT_MASK;
462 val |= UART_EXTINP_DCD_NOSENSE_MASK;
463 val |= UART_EXTINP_CTS_NOSENSE_MASK;
464 bcm_uart_writel(port, val, UART_EXTINP_REG);
465
466 /* register irq and enable rx interrupts */
467 ret = request_irq(port->irq, bcm_uart_interrupt, 0,
468 bcm_uart_type(port), port);
469 if (ret)
470 return ret;
471 bcm_uart_writel(port, UART_RX_INT_MASK, UART_IR_REG);
472 bcm_uart_enable(port);
473 return 0;
474}
475
476/*
477 * serial core request to flush & disable uart
478 */
479static void bcm_uart_shutdown(struct uart_port *port)
480{
481 unsigned long flags;
482
483 spin_lock_irqsave(&port->lock, flags);
484 bcm_uart_writel(port, 0, UART_IR_REG);
485 spin_unlock_irqrestore(&port->lock, flags);
486
487 bcm_uart_disable(port);
488 bcm_uart_flush(port);
489 free_irq(port->irq, port);
490}
491
492/*
493 * serial core request to change current uart setting
494 */
495static void bcm_uart_set_termios(struct uart_port *port,
496 struct ktermios *new,
497 struct ktermios *old)
498{
499 unsigned int ctl, baud, quot, ier;
500 unsigned long flags;
501
502 spin_lock_irqsave(&port->lock, flags);
503
504 /* disable uart while changing speed */
505 bcm_uart_disable(port);
506 bcm_uart_flush(port);
507
508 /* update Control register */
509 ctl = bcm_uart_readl(port, UART_CTL_REG);
510 ctl &= ~UART_CTL_BITSPERSYM_MASK;
511
512 switch (new->c_cflag & CSIZE) {
513 case CS5:
514 ctl |= (0 << UART_CTL_BITSPERSYM_SHIFT);
515 break;
516 case CS6:
517 ctl |= (1 << UART_CTL_BITSPERSYM_SHIFT);
518 break;
519 case CS7:
520 ctl |= (2 << UART_CTL_BITSPERSYM_SHIFT);
521 break;
522 default:
523 ctl |= (3 << UART_CTL_BITSPERSYM_SHIFT);
524 break;
525 }
526
527 ctl &= ~UART_CTL_STOPBITS_MASK;
528 if (new->c_cflag & CSTOPB)
529 ctl |= UART_CTL_STOPBITS_2;
530 else
531 ctl |= UART_CTL_STOPBITS_1;
532
533 ctl &= ~(UART_CTL_RXPAREN_MASK | UART_CTL_TXPAREN_MASK);
534 if (new->c_cflag & PARENB)
535 ctl |= (UART_CTL_RXPAREN_MASK | UART_CTL_TXPAREN_MASK);
536 ctl &= ~(UART_CTL_RXPAREVEN_MASK | UART_CTL_TXPAREVEN_MASK);
537 if (new->c_cflag & PARODD)
538 ctl |= (UART_CTL_RXPAREVEN_MASK | UART_CTL_TXPAREVEN_MASK);
539 bcm_uart_writel(port, ctl, UART_CTL_REG);
540
541 /* update Baudword register */
542 baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16);
543 quot = uart_get_divisor(port, baud) - 1;
544 bcm_uart_writel(port, quot, UART_BAUD_REG);
545
546 /* update Interrupt register */
547 ier = bcm_uart_readl(port, UART_IR_REG);
548
549 ier &= ~UART_IR_MASK(UART_IR_EXTIP);
550 if (UART_ENABLE_MS(port, new->c_cflag))
551 ier |= UART_IR_MASK(UART_IR_EXTIP);
552
553 bcm_uart_writel(port, ier, UART_IR_REG);
554
555 /* update read/ignore mask */
556 port->read_status_mask = UART_FIFO_VALID_MASK;
557 if (new->c_iflag & INPCK) {
558 port->read_status_mask |= UART_FIFO_FRAMEERR_MASK;
559 port->read_status_mask |= UART_FIFO_PARERR_MASK;
560 }
561 if (new->c_iflag & (BRKINT))
562 port->read_status_mask |= UART_FIFO_BRKDET_MASK;
563
564 port->ignore_status_mask = 0;
565 if (new->c_iflag & IGNPAR)
566 port->ignore_status_mask |= UART_FIFO_PARERR_MASK;
567 if (new->c_iflag & IGNBRK)
568 port->ignore_status_mask |= UART_FIFO_BRKDET_MASK;
569 if (!(new->c_cflag & CREAD))
570 port->ignore_status_mask |= UART_FIFO_VALID_MASK;
571
572 uart_update_timeout(port, new->c_cflag, baud);
573 bcm_uart_enable(port);
574 spin_unlock_irqrestore(&port->lock, flags);
575}
576
577/*
578 * serial core request to claim uart iomem
579 */
580static int bcm_uart_request_port(struct uart_port *port)
581{
582 unsigned int size;
583
584 size = RSET_UART_SIZE;
585 if (!request_mem_region(port->mapbase, size, "bcm63xx")) {
586 dev_err(port->dev, "Memory region busy\n");
587 return -EBUSY;
588 }
589
590 port->membase = ioremap(port->mapbase, size);
591 if (!port->membase) {
592 dev_err(port->dev, "Unable to map registers\n");
593 release_mem_region(port->mapbase, size);
594 return -EBUSY;
595 }
596 return 0;
597}
598
599/*
600 * serial core request to release uart iomem
601 */
602static void bcm_uart_release_port(struct uart_port *port)
603{
604 release_mem_region(port->mapbase, RSET_UART_SIZE);
605 iounmap(port->membase);
606}
607
608/*
609 * serial core request to do any port required autoconfiguration
610 */
611static void bcm_uart_config_port(struct uart_port *port, int flags)
612{
613 if (flags & UART_CONFIG_TYPE) {
614 if (bcm_uart_request_port(port))
615 return;
616 port->type = PORT_BCM63XX;
617 }
618}
619
620/*
621 * serial core request to check that port information in serinfo are
622 * suitable
623 */
624static int bcm_uart_verify_port(struct uart_port *port,
625 struct serial_struct *serinfo)
626{
627 if (port->type != PORT_BCM63XX)
628 return -EINVAL;
629 if (port->irq != serinfo->irq)
630 return -EINVAL;
631 if (port->iotype != serinfo->io_type)
632 return -EINVAL;
633 if (port->mapbase != (unsigned long)serinfo->iomem_base)
634 return -EINVAL;
635 return 0;
636}
637
638/* serial core callbacks */
639static struct uart_ops bcm_uart_ops = {
640 .tx_empty = bcm_uart_tx_empty,
641 .get_mctrl = bcm_uart_get_mctrl,
642 .set_mctrl = bcm_uart_set_mctrl,
643 .start_tx = bcm_uart_start_tx,
644 .stop_tx = bcm_uart_stop_tx,
645 .stop_rx = bcm_uart_stop_rx,
646 .enable_ms = bcm_uart_enable_ms,
647 .break_ctl = bcm_uart_break_ctl,
648 .startup = bcm_uart_startup,
649 .shutdown = bcm_uart_shutdown,
650 .set_termios = bcm_uart_set_termios,
651 .type = bcm_uart_type,
652 .release_port = bcm_uart_release_port,
653 .request_port = bcm_uart_request_port,
654 .config_port = bcm_uart_config_port,
655 .verify_port = bcm_uart_verify_port,
656};
657
658
659
660#ifdef CONFIG_SERIAL_BCM63XX_CONSOLE
661static inline void wait_for_xmitr(struct uart_port *port)
662{
663 unsigned int tmout;
664
665 /* Wait up to 10ms for the character(s) to be sent. */
666 tmout = 10000;
667 while (--tmout) {
668 unsigned int val;
669
670 val = bcm_uart_readl(port, UART_IR_REG);
671 if (val & UART_IR_STAT(UART_IR_TXEMPTY))
672 break;
673 udelay(1);
674 }
675
676 /* Wait up to 1s for flow control if necessary */
677 if (port->flags & UPF_CONS_FLOW) {
678 tmout = 1000000;
679 while (--tmout) {
680 unsigned int val;
681
682 val = bcm_uart_readl(port, UART_EXTINP_REG);
683 if (val & UART_EXTINP_CTS_MASK)
684 break;
685 udelay(1);
686 }
687 }
688}
689
690/*
691 * output given char
692 */
693static void bcm_console_putchar(struct uart_port *port, int ch)
694{
695 wait_for_xmitr(port);
696 bcm_uart_writel(port, ch, UART_FIFO_REG);
697}
698
699/*
700 * console core request to output given string
701 */
702static void bcm_console_write(struct console *co, const char *s,
703 unsigned int count)
704{
705 struct uart_port *port;
706 unsigned long flags;
707 int locked;
708
709 port = &ports[co->index];
710
711 local_irq_save(flags);
712 if (port->sysrq) {
713 /* bcm_uart_interrupt() already took the lock */
714 locked = 0;
715 } else if (oops_in_progress) {
716 locked = spin_trylock(&port->lock);
717 } else {
718 spin_lock(&port->lock);
719 locked = 1;
720 }
721
722 /* call helper to deal with \r\n */
723 uart_console_write(port, s, count, bcm_console_putchar);
724
725 /* and wait for char to be transmitted */
726 wait_for_xmitr(port);
727
728 if (locked)
729 spin_unlock(&port->lock);
730 local_irq_restore(flags);
731}
732
733/*
734 * console core request to setup given console, find matching uart
735 * port and setup it.
736 */
737static int bcm_console_setup(struct console *co, char *options)
738{
739 struct uart_port *port;
740 int baud = 9600;
741 int bits = 8;
742 int parity = 'n';
743 int flow = 'n';
744
745 if (co->index < 0 || co->index >= BCM63XX_NR_UARTS)
746 return -EINVAL;
747 port = &ports[co->index];
748 if (!port->membase)
749 return -ENODEV;
750 if (options)
751 uart_parse_options(options, &baud, &parity, &bits, &flow);
752
753 return uart_set_options(port, co, baud, parity, bits, flow);
754}
755
756static struct uart_driver bcm_uart_driver;
757
758static struct console bcm63xx_console = {
759 .name = "ttyS",
760 .write = bcm_console_write,
761 .device = uart_console_device,
762 .setup = bcm_console_setup,
763 .flags = CON_PRINTBUFFER,
764 .index = -1,
765 .data = &bcm_uart_driver,
766};
767
768static int __init bcm63xx_console_init(void)
769{
770 register_console(&bcm63xx_console);
771 return 0;
772}
773
774console_initcall(bcm63xx_console_init);
775
776#define BCM63XX_CONSOLE (&bcm63xx_console)
777#else
778#define BCM63XX_CONSOLE NULL
779#endif /* CONFIG_SERIAL_BCM63XX_CONSOLE */
780
781static struct uart_driver bcm_uart_driver = {
782 .owner = THIS_MODULE,
783 .driver_name = "bcm63xx_uart",
784 .dev_name = "ttyS",
785 .major = TTY_MAJOR,
786 .minor = 64,
787 .nr = 1,
788 .cons = BCM63XX_CONSOLE,
789};
790
791/*
792 * platform driver probe/remove callback
793 */
794static int __devinit bcm_uart_probe(struct platform_device *pdev)
795{
796 struct resource *res_mem, *res_irq;
797 struct uart_port *port;
798 struct clk *clk;
799 int ret;
800
801 if (pdev->id < 0 || pdev->id >= BCM63XX_NR_UARTS)
802 return -EINVAL;
803
804 if (ports[pdev->id].membase)
805 return -EBUSY;
806
807 res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
808 if (!res_mem)
809 return -ENODEV;
810
811 res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
812 if (!res_irq)
813 return -ENODEV;
814
815 clk = clk_get(&pdev->dev, "periph");
816 if (IS_ERR(clk))
817 return -ENODEV;
818
819 port = &ports[pdev->id];
820 memset(port, 0, sizeof(*port));
821 port->iotype = UPIO_MEM;
822 port->mapbase = res_mem->start;
823 port->irq = res_irq->start;
824 port->ops = &bcm_uart_ops;
825 port->flags = UPF_BOOT_AUTOCONF;
826 port->dev = &pdev->dev;
827 port->fifosize = 16;
828 port->uartclk = clk_get_rate(clk) / 2;
829 clk_put(clk);
830
831 ret = uart_add_one_port(&bcm_uart_driver, port);
832 if (ret) {
833 kfree(port);
834 return ret;
835 }
836 platform_set_drvdata(pdev, port);
837 return 0;
838}
839
840static int __devexit bcm_uart_remove(struct platform_device *pdev)
841{
842 struct uart_port *port;
843
844 port = platform_get_drvdata(pdev);
845 uart_remove_one_port(&bcm_uart_driver, port);
846 platform_set_drvdata(pdev, NULL);
847 /* mark port as free */
848 ports[pdev->id].membase = 0;
849 return 0;
850}
851
852/*
853 * platform driver stuff
854 */
855static struct platform_driver bcm_uart_platform_driver = {
856 .probe = bcm_uart_probe,
857 .remove = __devexit_p(bcm_uart_remove),
858 .driver = {
859 .owner = THIS_MODULE,
860 .name = "bcm63xx_uart",
861 },
862};
863
864static int __init bcm_uart_init(void)
865{
866 int ret;
867
868 ret = uart_register_driver(&bcm_uart_driver);
869 if (ret)
870 return ret;
871
872 ret = platform_driver_register(&bcm_uart_platform_driver);
873 if (ret)
874 uart_unregister_driver(&bcm_uart_driver);
875
876 return ret;
877}
878
879static void __exit bcm_uart_exit(void)
880{
881 platform_driver_unregister(&bcm_uart_platform_driver);
882 uart_unregister_driver(&bcm_uart_driver);
883}
884
885module_init(bcm_uart_init);
886module_exit(bcm_uart_exit);
887
888MODULE_AUTHOR("Maxime Bizon <mbizon@freebox.fr>");
889MODULE_DESCRIPTION("Broadcom 63<xx integrated uart driver");
890MODULE_LICENSE("GPL");
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index 2d7feecaf492..0028b6f89ce6 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -307,7 +307,7 @@ static void stop_processor(struct icom_port *icom_port)
307 if (port < 4) { 307 if (port < 4) {
308 temp = readl(stop_proc[port].global_control_reg); 308 temp = readl(stop_proc[port].global_control_reg);
309 temp = 309 temp =
310 (temp & ~start_proc[port].processor_id) | stop_proc[port].processor_id; 310 (temp & ~start_proc[port].processor_id) | stop_proc[port].processor_id;
311 writel(temp, stop_proc[port].global_control_reg); 311 writel(temp, stop_proc[port].global_control_reg);
312 312
313 /* write flush */ 313 /* write flush */
@@ -336,7 +336,7 @@ static void start_processor(struct icom_port *icom_port)
336 if (port < 4) { 336 if (port < 4) {
337 temp = readl(start_proc[port].global_control_reg); 337 temp = readl(start_proc[port].global_control_reg);
338 temp = 338 temp =
339 (temp & ~stop_proc[port].processor_id) | start_proc[port].processor_id; 339 (temp & ~stop_proc[port].processor_id) | start_proc[port].processor_id;
340 writel(temp, start_proc[port].global_control_reg); 340 writel(temp, start_proc[port].global_control_reg);
341 341
342 /* write flush */ 342 /* write flush */
@@ -509,8 +509,8 @@ static void load_code(struct icom_port *icom_port)
509 dev_err(&icom_port->adapter->pci_dev->dev,"Port not opertional\n"); 509 dev_err(&icom_port->adapter->pci_dev->dev,"Port not opertional\n");
510 } 510 }
511 511
512 if (new_page != NULL) 512 if (new_page != NULL)
513 pci_free_consistent(dev, 4096, new_page, temp_pci); 513 pci_free_consistent(dev, 4096, new_page, temp_pci);
514} 514}
515 515
516static int startup(struct icom_port *icom_port) 516static int startup(struct icom_port *icom_port)
@@ -1493,15 +1493,15 @@ static int __devinit icom_probe(struct pci_dev *dev,
1493 const struct pci_device_id *ent) 1493 const struct pci_device_id *ent)
1494{ 1494{
1495 int index; 1495 int index;
1496 unsigned int command_reg; 1496 unsigned int command_reg;
1497 int retval; 1497 int retval;
1498 struct icom_adapter *icom_adapter; 1498 struct icom_adapter *icom_adapter;
1499 struct icom_port *icom_port; 1499 struct icom_port *icom_port;
1500 1500
1501 retval = pci_enable_device(dev); 1501 retval = pci_enable_device(dev);
1502 if (retval) { 1502 if (retval) {
1503 dev_err(&dev->dev, "Device enable FAILED\n"); 1503 dev_err(&dev->dev, "Device enable FAILED\n");
1504 return retval; 1504 return retval;
1505 } 1505 }
1506 1506
1507 if ( (retval = pci_request_regions(dev, "icom"))) { 1507 if ( (retval = pci_request_regions(dev, "icom"))) {
@@ -1510,23 +1510,23 @@ static int __devinit icom_probe(struct pci_dev *dev,
1510 return retval; 1510 return retval;
1511 } 1511 }
1512 1512
1513 pci_set_master(dev); 1513 pci_set_master(dev);
1514 1514
1515 if ( (retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg))) { 1515 if ( (retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg))) {
1516 dev_err(&dev->dev, "PCI Config read FAILED\n"); 1516 dev_err(&dev->dev, "PCI Config read FAILED\n");
1517 return retval; 1517 return retval;
1518 } 1518 }
1519 1519
1520 pci_write_config_dword(dev, PCI_COMMAND, 1520 pci_write_config_dword(dev, PCI_COMMAND,
1521 command_reg | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER 1521 command_reg | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
1522 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 1522 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1523 1523
1524 if (ent->driver_data == ADAPTER_V1) { 1524 if (ent->driver_data == ADAPTER_V1) {
1525 pci_write_config_dword(dev, 0x44, 0x8300830A); 1525 pci_write_config_dword(dev, 0x44, 0x8300830A);
1526 } else { 1526 } else {
1527 pci_write_config_dword(dev, 0x44, 0x42004200); 1527 pci_write_config_dword(dev, 0x44, 0x42004200);
1528 pci_write_config_dword(dev, 0x48, 0x42004200); 1528 pci_write_config_dword(dev, 0x48, 0x42004200);
1529 } 1529 }
1530 1530
1531 1531
1532 retval = icom_alloc_adapter(&icom_adapter); 1532 retval = icom_alloc_adapter(&icom_adapter);
@@ -1536,10 +1536,10 @@ static int __devinit icom_probe(struct pci_dev *dev,
1536 goto probe_exit0; 1536 goto probe_exit0;
1537 } 1537 }
1538 1538
1539 icom_adapter->base_addr_pci = pci_resource_start(dev, 0); 1539 icom_adapter->base_addr_pci = pci_resource_start(dev, 0);
1540 icom_adapter->pci_dev = dev; 1540 icom_adapter->pci_dev = dev;
1541 icom_adapter->version = ent->driver_data; 1541 icom_adapter->version = ent->driver_data;
1542 icom_adapter->subsystem_id = ent->subdevice; 1542 icom_adapter->subsystem_id = ent->subdevice;
1543 1543
1544 1544
1545 retval = icom_init_ports(icom_adapter); 1545 retval = icom_init_ports(icom_adapter);
@@ -1548,7 +1548,7 @@ static int __devinit icom_probe(struct pci_dev *dev,
1548 goto probe_exit1; 1548 goto probe_exit1;
1549 } 1549 }
1550 1550
1551 icom_adapter->base_addr = pci_ioremap_bar(dev, 0); 1551 icom_adapter->base_addr = pci_ioremap_bar(dev, 0);
1552 1552
1553 if (!icom_adapter->base_addr) 1553 if (!icom_adapter->base_addr)
1554 goto probe_exit1; 1554 goto probe_exit1;
@@ -1562,7 +1562,7 @@ static int __devinit icom_probe(struct pci_dev *dev,
1562 1562
1563 retval = icom_load_ports(icom_adapter); 1563 retval = icom_load_ports(icom_adapter);
1564 1564
1565 for (index = 0; index < icom_adapter->numb_ports; index++) { 1565 for (index = 0; index < icom_adapter->numb_ports; index++) {
1566 icom_port = &icom_adapter->port_info[index]; 1566 icom_port = &icom_adapter->port_info[index];
1567 1567
1568 if (icom_port->status == ICOM_PORT_ACTIVE) { 1568 if (icom_port->status == ICOM_PORT_ACTIVE) {
@@ -1579,7 +1579,7 @@ static int __devinit icom_probe(struct pci_dev *dev,
1579 icom_port->status = ICOM_PORT_OFF; 1579 icom_port->status = ICOM_PORT_OFF;
1580 dev_err(&dev->dev, "Device add failed\n"); 1580 dev_err(&dev->dev, "Device add failed\n");
1581 } else 1581 } else
1582 dev_info(&dev->dev, "Device added\n"); 1582 dev_info(&dev->dev, "Device added\n");
1583 } 1583 }
1584 } 1584 }
1585 1585
@@ -1595,9 +1595,7 @@ probe_exit0:
1595 pci_release_regions(dev); 1595 pci_release_regions(dev);
1596 pci_disable_device(dev); 1596 pci_disable_device(dev);
1597 1597
1598 return retval; 1598 return retval;
1599
1600
1601} 1599}
1602 1600
1603static void __devexit icom_remove(struct pci_dev *dev) 1601static void __devexit icom_remove(struct pci_dev *dev)
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 0f7cf4c453e6..c50e9fbbf743 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -221,21 +221,26 @@ sio_quot_set(struct uart_txx9_port *up, int quot)
221 sio_out(up, TXX9_SIBGR, 0xff | TXX9_SIBGR_BCLK_T6); 221 sio_out(up, TXX9_SIBGR, 0xff | TXX9_SIBGR_BCLK_T6);
222} 222}
223 223
224static struct uart_txx9_port *to_uart_txx9_port(struct uart_port *port)
225{
226 return container_of(port, struct uart_txx9_port, port);
227}
228
224static void serial_txx9_stop_tx(struct uart_port *port) 229static void serial_txx9_stop_tx(struct uart_port *port)
225{ 230{
226 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 231 struct uart_txx9_port *up = to_uart_txx9_port(port);
227 sio_mask(up, TXX9_SIDICR, TXX9_SIDICR_TIE); 232 sio_mask(up, TXX9_SIDICR, TXX9_SIDICR_TIE);
228} 233}
229 234
230static void serial_txx9_start_tx(struct uart_port *port) 235static void serial_txx9_start_tx(struct uart_port *port)
231{ 236{
232 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 237 struct uart_txx9_port *up = to_uart_txx9_port(port);
233 sio_set(up, TXX9_SIDICR, TXX9_SIDICR_TIE); 238 sio_set(up, TXX9_SIDICR, TXX9_SIDICR_TIE);
234} 239}
235 240
236static void serial_txx9_stop_rx(struct uart_port *port) 241static void serial_txx9_stop_rx(struct uart_port *port)
237{ 242{
238 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 243 struct uart_txx9_port *up = to_uart_txx9_port(port);
239 up->port.read_status_mask &= ~TXX9_SIDISR_RDIS; 244 up->port.read_status_mask &= ~TXX9_SIDISR_RDIS;
240} 245}
241 246
@@ -246,7 +251,7 @@ static void serial_txx9_enable_ms(struct uart_port *port)
246 251
247static void serial_txx9_initialize(struct uart_port *port) 252static void serial_txx9_initialize(struct uart_port *port)
248{ 253{
249 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 254 struct uart_txx9_port *up = to_uart_txx9_port(port);
250 unsigned int tmout = 10000; 255 unsigned int tmout = 10000;
251 256
252 sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST); 257 sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST);
@@ -414,7 +419,7 @@ static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id)
414 419
415static unsigned int serial_txx9_tx_empty(struct uart_port *port) 420static unsigned int serial_txx9_tx_empty(struct uart_port *port)
416{ 421{
417 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 422 struct uart_txx9_port *up = to_uart_txx9_port(port);
418 unsigned long flags; 423 unsigned long flags;
419 unsigned int ret; 424 unsigned int ret;
420 425
@@ -427,7 +432,7 @@ static unsigned int serial_txx9_tx_empty(struct uart_port *port)
427 432
428static unsigned int serial_txx9_get_mctrl(struct uart_port *port) 433static unsigned int serial_txx9_get_mctrl(struct uart_port *port)
429{ 434{
430 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 435 struct uart_txx9_port *up = to_uart_txx9_port(port);
431 unsigned int ret; 436 unsigned int ret;
432 437
433 /* no modem control lines */ 438 /* no modem control lines */
@@ -440,7 +445,7 @@ static unsigned int serial_txx9_get_mctrl(struct uart_port *port)
440 445
441static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl) 446static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl)
442{ 447{
443 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 448 struct uart_txx9_port *up = to_uart_txx9_port(port);
444 449
445 if (mctrl & TIOCM_RTS) 450 if (mctrl & TIOCM_RTS)
446 sio_mask(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSSC); 451 sio_mask(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSSC);
@@ -450,7 +455,7 @@ static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl)
450 455
451static void serial_txx9_break_ctl(struct uart_port *port, int break_state) 456static void serial_txx9_break_ctl(struct uart_port *port, int break_state)
452{ 457{
453 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 458 struct uart_txx9_port *up = to_uart_txx9_port(port);
454 unsigned long flags; 459 unsigned long flags;
455 460
456 spin_lock_irqsave(&up->port.lock, flags); 461 spin_lock_irqsave(&up->port.lock, flags);
@@ -494,7 +499,7 @@ static int serial_txx9_get_poll_char(struct uart_port *port)
494{ 499{
495 unsigned int ier; 500 unsigned int ier;
496 unsigned char c; 501 unsigned char c;
497 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 502 struct uart_txx9_port *up = to_uart_txx9_port(port);
498 503
499 /* 504 /*
500 * First save the IER then disable the interrupts 505 * First save the IER then disable the interrupts
@@ -520,7 +525,7 @@ static int serial_txx9_get_poll_char(struct uart_port *port)
520static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c) 525static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c)
521{ 526{
522 unsigned int ier; 527 unsigned int ier;
523 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 528 struct uart_txx9_port *up = to_uart_txx9_port(port);
524 529
525 /* 530 /*
526 * First save the IER then disable the interrupts 531 * First save the IER then disable the interrupts
@@ -551,7 +556,7 @@ static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c)
551 556
552static int serial_txx9_startup(struct uart_port *port) 557static int serial_txx9_startup(struct uart_port *port)
553{ 558{
554 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 559 struct uart_txx9_port *up = to_uart_txx9_port(port);
555 unsigned long flags; 560 unsigned long flags;
556 int retval; 561 int retval;
557 562
@@ -596,7 +601,7 @@ static int serial_txx9_startup(struct uart_port *port)
596 601
597static void serial_txx9_shutdown(struct uart_port *port) 602static void serial_txx9_shutdown(struct uart_port *port)
598{ 603{
599 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 604 struct uart_txx9_port *up = to_uart_txx9_port(port);
600 unsigned long flags; 605 unsigned long flags;
601 606
602 /* 607 /*
@@ -636,7 +641,7 @@ static void
636serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios, 641serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,
637 struct ktermios *old) 642 struct ktermios *old)
638{ 643{
639 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 644 struct uart_txx9_port *up = to_uart_txx9_port(port);
640 unsigned int cval, fcr = 0; 645 unsigned int cval, fcr = 0;
641 unsigned long flags; 646 unsigned long flags;
642 unsigned int baud, quot; 647 unsigned int baud, quot;
@@ -814,19 +819,19 @@ static void serial_txx9_release_resource(struct uart_txx9_port *up)
814 819
815static void serial_txx9_release_port(struct uart_port *port) 820static void serial_txx9_release_port(struct uart_port *port)
816{ 821{
817 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 822 struct uart_txx9_port *up = to_uart_txx9_port(port);
818 serial_txx9_release_resource(up); 823 serial_txx9_release_resource(up);
819} 824}
820 825
821static int serial_txx9_request_port(struct uart_port *port) 826static int serial_txx9_request_port(struct uart_port *port)
822{ 827{
823 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 828 struct uart_txx9_port *up = to_uart_txx9_port(port);
824 return serial_txx9_request_resource(up); 829 return serial_txx9_request_resource(up);
825} 830}
826 831
827static void serial_txx9_config_port(struct uart_port *port, int uflags) 832static void serial_txx9_config_port(struct uart_port *port, int uflags)
828{ 833{
829 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 834 struct uart_txx9_port *up = to_uart_txx9_port(port);
830 int ret; 835 int ret;
831 836
832 /* 837 /*
@@ -897,7 +902,7 @@ static void __init serial_txx9_register_ports(struct uart_driver *drv,
897 902
898static void serial_txx9_console_putchar(struct uart_port *port, int ch) 903static void serial_txx9_console_putchar(struct uart_port *port, int ch)
899{ 904{
900 struct uart_txx9_port *up = (struct uart_txx9_port *)port; 905 struct uart_txx9_port *up = to_uart_txx9_port(port);
901 906
902 wait_for_xmitr(up); 907 wait_for_xmitr(up);
903 sio_out(up, TXX9_SITFIFO, ch); 908 sio_out(up, TXX9_SITFIFO, ch);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-30 05:35:58 -0500