diff options
-rw-r--r-- | drivers/serial/atmel_serial.c | 496 | ||||
-rw-r--r-- | drivers/serial/atmel_serial.h | 196 |
2 files changed, 346 insertions, 346 deletions
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 65972ce63c7d..7397d5df6d9f 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c | |||
@@ -1,7 +1,7 @@ | |||
1 | /* | 1 | /* |
2 | * linux/drivers/char/at91_serial.c | 2 | * linux/drivers/char/at91_serial.c |
3 | * | 3 | * |
4 | * Driver for Atmel AT91RM9200 Serial ports | 4 | * Driver for Atmel AT91 / AT32 Serial ports |
5 | * Copyright (C) 2003 Rick Bronson | 5 | * Copyright (C) 2003 Rick Bronson |
6 | * | 6 | * |
7 | * Based on drivers/char/serial_sa1100.c, by Deep Blue Solutions Ltd. | 7 | * Based on drivers/char/serial_sa1100.c, by Deep Blue Solutions Ltd. |
@@ -55,51 +55,51 @@ | |||
55 | /* Use device name ttyAT, major 204 and minor 154-169. This is necessary if we | 55 | /* Use device name ttyAT, major 204 and minor 154-169. This is necessary if we |
56 | * should coexist with the 8250 driver, such as if we have an external 16C550 | 56 | * should coexist with the 8250 driver, such as if we have an external 16C550 |
57 | * UART. */ | 57 | * UART. */ |
58 | #define SERIAL_AT91_MAJOR 204 | 58 | #define SERIAL_ATMEL_MAJOR 204 |
59 | #define MINOR_START 154 | 59 | #define MINOR_START 154 |
60 | #define AT91_DEVICENAME "ttyAT" | 60 | #define ATMEL_DEVICENAME "ttyAT" |
61 | 61 | ||
62 | #else | 62 | #else |
63 | 63 | ||
64 | /* Use device name ttyS, major 4, minor 64-68. This is the usual serial port | 64 | /* Use device name ttyS, major 4, minor 64-68. This is the usual serial port |
65 | * name, but it is legally reserved for the 8250 driver. */ | 65 | * name, but it is legally reserved for the 8250 driver. */ |
66 | #define SERIAL_AT91_MAJOR TTY_MAJOR | 66 | #define SERIAL_ATMEL_MAJOR TTY_MAJOR |
67 | #define MINOR_START 64 | 67 | #define MINOR_START 64 |
68 | #define AT91_DEVICENAME "ttyS" | 68 | #define ATMEL_DEVICENAME "ttyS" |
69 | 69 | ||
70 | #endif | 70 | #endif |
71 | 71 | ||
72 | #define AT91_ISR_PASS_LIMIT 256 | 72 | #define ATMEL_ISR_PASS_LIMIT 256 |
73 | 73 | ||
74 | #define UART_PUT_CR(port,v) writel(v, (port)->membase + AT91_US_CR) | 74 | #define UART_PUT_CR(port,v) writel(v, (port)->membase + ATMEL_US_CR) |
75 | #define UART_GET_MR(port) readl((port)->membase + AT91_US_MR) | 75 | #define UART_GET_MR(port) readl((port)->membase + ATMEL_US_MR) |
76 | #define UART_PUT_MR(port,v) writel(v, (port)->membase + AT91_US_MR) | 76 | #define UART_PUT_MR(port,v) writel(v, (port)->membase + ATMEL_US_MR) |
77 | #define UART_PUT_IER(port,v) writel(v, (port)->membase + AT91_US_IER) | 77 | #define UART_PUT_IER(port,v) writel(v, (port)->membase + ATMEL_US_IER) |
78 | #define UART_PUT_IDR(port,v) writel(v, (port)->membase + AT91_US_IDR) | 78 | #define UART_PUT_IDR(port,v) writel(v, (port)->membase + ATMEL_US_IDR) |
79 | #define UART_GET_IMR(port) readl((port)->membase + AT91_US_IMR) | 79 | #define UART_GET_IMR(port) readl((port)->membase + ATMEL_US_IMR) |
80 | #define UART_GET_CSR(port) readl((port)->membase + AT91_US_CSR) | 80 | #define UART_GET_CSR(port) readl((port)->membase + ATMEL_US_CSR) |
81 | #define UART_GET_CHAR(port) readl((port)->membase + AT91_US_RHR) | 81 | #define UART_GET_CHAR(port) readl((port)->membase + ATMEL_US_RHR) |
82 | #define UART_PUT_CHAR(port,v) writel(v, (port)->membase + AT91_US_THR) | 82 | #define UART_PUT_CHAR(port,v) writel(v, (port)->membase + ATMEL_US_THR) |
83 | #define UART_GET_BRGR(port) readl((port)->membase + AT91_US_BRGR) | 83 | #define UART_GET_BRGR(port) readl((port)->membase + ATMEL_US_BRGR) |
84 | #define UART_PUT_BRGR(port,v) writel(v, (port)->membase + AT91_US_BRGR) | 84 | #define UART_PUT_BRGR(port,v) writel(v, (port)->membase + ATMEL_US_BRGR) |
85 | #define UART_PUT_RTOR(port,v) writel(v, (port)->membase + AT91_US_RTOR) | 85 | #define UART_PUT_RTOR(port,v) writel(v, (port)->membase + ATMEL_US_RTOR) |
86 | 86 | ||
87 | // #define UART_GET_CR(port) readl((port)->membase + AT91_US_CR) // is write-only | 87 | // #define UART_GET_CR(port) readl((port)->membase + ATMEL_US_CR) // is write-only |
88 | 88 | ||
89 | /* PDC registers */ | 89 | /* PDC registers */ |
90 | #define UART_PUT_PTCR(port,v) writel(v, (port)->membase + AT91_PDC_PTCR) | 90 | #define UART_PUT_PTCR(port,v) writel(v, (port)->membase + ATMEL_PDC_PTCR) |
91 | #define UART_GET_PTSR(port) readl((port)->membase + AT91_PDC_PTSR) | 91 | #define UART_GET_PTSR(port) readl((port)->membase + ATMEL_PDC_PTSR) |
92 | 92 | ||
93 | #define UART_PUT_RPR(port,v) writel(v, (port)->membase + AT91_PDC_RPR) | 93 | #define UART_PUT_RPR(port,v) writel(v, (port)->membase + ATMEL_PDC_RPR) |
94 | #define UART_GET_RPR(port) readl((port)->membase + AT91_PDC_RPR) | 94 | #define UART_GET_RPR(port) readl((port)->membase + ATMEL_PDC_RPR) |
95 | #define UART_PUT_RCR(port,v) writel(v, (port)->membase + AT91_PDC_RCR) | 95 | #define UART_PUT_RCR(port,v) writel(v, (port)->membase + ATMEL_PDC_RCR) |
96 | #define UART_PUT_RNPR(port,v) writel(v, (port)->membase + AT91_PDC_RNPR) | 96 | #define UART_PUT_RNPR(port,v) writel(v, (port)->membase + ATMEL_PDC_RNPR) |
97 | #define UART_PUT_RNCR(port,v) writel(v, (port)->membase + AT91_PDC_RNCR) | 97 | #define UART_PUT_RNCR(port,v) writel(v, (port)->membase + ATMEL_PDC_RNCR) |
98 | 98 | ||
99 | #define UART_PUT_TPR(port,v) writel(v, (port)->membase + AT91_PDC_TPR) | 99 | #define UART_PUT_TPR(port,v) writel(v, (port)->membase + ATMEL_PDC_TPR) |
100 | #define UART_PUT_TCR(port,v) writel(v, (port)->membase + AT91_PDC_TCR) | 100 | #define UART_PUT_TCR(port,v) writel(v, (port)->membase + ATMEL_PDC_TCR) |
101 | //#define UART_PUT_TNPR(port,v) writel(v, (port)->membase + AT91_PDC_TNPR) | 101 | //#define UART_PUT_TNPR(port,v) writel(v, (port)->membase + ATMEL_PDC_TNPR) |
102 | //#define UART_PUT_TNCR(port,v) writel(v, (port)->membase + AT91_PDC_TNCR) | 102 | //#define UART_PUT_TNCR(port,v) writel(v, (port)->membase + ATMEL_PDC_TNCR) |
103 | 103 | ||
104 | static int (*at91_open)(struct uart_port *); | 104 | static int (*at91_open)(struct uart_port *); |
105 | static void (*at91_close)(struct uart_port *); | 105 | static void (*at91_close)(struct uart_port *); |
@@ -107,30 +107,30 @@ static void (*at91_close)(struct uart_port *); | |||
107 | /* | 107 | /* |
108 | * We wrap our port structure around the generic uart_port. | 108 | * We wrap our port structure around the generic uart_port. |
109 | */ | 109 | */ |
110 | struct at91_uart_port { | 110 | struct atmel_uart_port { |
111 | struct uart_port uart; /* uart */ | 111 | struct uart_port uart; /* uart */ |
112 | struct clk *clk; /* uart clock */ | 112 | struct clk *clk; /* uart clock */ |
113 | unsigned short suspended; /* is port suspended? */ | 113 | unsigned short suspended; /* is port suspended? */ |
114 | }; | 114 | }; |
115 | 115 | ||
116 | static struct at91_uart_port at91_ports[ATMEL_MAX_UART]; | 116 | static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART]; |
117 | 117 | ||
118 | #ifdef SUPPORT_SYSRQ | 118 | #ifdef SUPPORT_SYSRQ |
119 | static struct console at91_console; | 119 | static struct console atmel_console; |
120 | #endif | 120 | #endif |
121 | 121 | ||
122 | /* | 122 | /* |
123 | * Return TIOCSER_TEMT when transmitter FIFO and Shift register is empty. | 123 | * Return TIOCSER_TEMT when transmitter FIFO and Shift register is empty. |
124 | */ | 124 | */ |
125 | static u_int at91_tx_empty(struct uart_port *port) | 125 | static u_int atmel_tx_empty(struct uart_port *port) |
126 | { | 126 | { |
127 | return (UART_GET_CSR(port) & AT91_US_TXEMPTY) ? TIOCSER_TEMT : 0; | 127 | return (UART_GET_CSR(port) & ATMEL_US_TXEMPTY) ? TIOCSER_TEMT : 0; |
128 | } | 128 | } |
129 | 129 | ||
130 | /* | 130 | /* |
131 | * Set state of the modem control output lines | 131 | * Set state of the modem control output lines |
132 | */ | 132 | */ |
133 | static void at91_set_mctrl(struct uart_port *port, u_int mctrl) | 133 | static void atmel_set_mctrl(struct uart_port *port, u_int mctrl) |
134 | { | 134 | { |
135 | unsigned int control = 0; | 135 | unsigned int control = 0; |
136 | unsigned int mode; | 136 | unsigned int mode; |
@@ -149,30 +149,30 @@ static void at91_set_mctrl(struct uart_port *port, u_int mctrl) | |||
149 | } | 149 | } |
150 | 150 | ||
151 | if (mctrl & TIOCM_RTS) | 151 | if (mctrl & TIOCM_RTS) |
152 | control |= AT91_US_RTSEN; | 152 | control |= ATMEL_US_RTSEN; |
153 | else | 153 | else |
154 | control |= AT91_US_RTSDIS; | 154 | control |= ATMEL_US_RTSDIS; |
155 | 155 | ||
156 | if (mctrl & TIOCM_DTR) | 156 | if (mctrl & TIOCM_DTR) |
157 | control |= AT91_US_DTREN; | 157 | control |= ATMEL_US_DTREN; |
158 | else | 158 | else |
159 | control |= AT91_US_DTRDIS; | 159 | control |= ATMEL_US_DTRDIS; |
160 | 160 | ||
161 | UART_PUT_CR(port, control); | 161 | UART_PUT_CR(port, control); |
162 | 162 | ||
163 | /* Local loopback mode? */ | 163 | /* Local loopback mode? */ |
164 | mode = UART_GET_MR(port) & ~AT91_US_CHMODE; | 164 | mode = UART_GET_MR(port) & ~ATMEL_US_CHMODE; |
165 | if (mctrl & TIOCM_LOOP) | 165 | if (mctrl & TIOCM_LOOP) |
166 | mode |= AT91_US_CHMODE_LOC_LOOP; | 166 | mode |= ATMEL_US_CHMODE_LOC_LOOP; |
167 | else | 167 | else |
168 | mode |= AT91_US_CHMODE_NORMAL; | 168 | mode |= ATMEL_US_CHMODE_NORMAL; |
169 | UART_PUT_MR(port, mode); | 169 | UART_PUT_MR(port, mode); |
170 | } | 170 | } |
171 | 171 | ||
172 | /* | 172 | /* |
173 | * Get state of the modem control input lines | 173 | * Get state of the modem control input lines |
174 | */ | 174 | */ |
175 | static u_int at91_get_mctrl(struct uart_port *port) | 175 | static u_int atmel_get_mctrl(struct uart_port *port) |
176 | { | 176 | { |
177 | unsigned int status, ret = 0; | 177 | unsigned int status, ret = 0; |
178 | 178 | ||
@@ -181,13 +181,13 @@ static u_int at91_get_mctrl(struct uart_port *port) | |||
181 | /* | 181 | /* |
182 | * The control signals are active low. | 182 | * The control signals are active low. |
183 | */ | 183 | */ |
184 | if (!(status & AT91_US_DCD)) | 184 | if (!(status & ATMEL_US_DCD)) |
185 | ret |= TIOCM_CD; | 185 | ret |= TIOCM_CD; |
186 | if (!(status & AT91_US_CTS)) | 186 | if (!(status & ATMEL_US_CTS)) |
187 | ret |= TIOCM_CTS; | 187 | ret |= TIOCM_CTS; |
188 | if (!(status & AT91_US_DSR)) | 188 | if (!(status & ATMEL_US_DSR)) |
189 | ret |= TIOCM_DSR; | 189 | ret |= TIOCM_DSR; |
190 | if (!(status & AT91_US_RI)) | 190 | if (!(status & ATMEL_US_RI)) |
191 | ret |= TIOCM_RI; | 191 | ret |= TIOCM_RI; |
192 | 192 | ||
193 | return ret; | 193 | return ret; |
@@ -196,62 +196,62 @@ static u_int at91_get_mctrl(struct uart_port *port) | |||
196 | /* | 196 | /* |
197 | * Stop transmitting. | 197 | * Stop transmitting. |
198 | */ | 198 | */ |
199 | static void at91_stop_tx(struct uart_port *port) | 199 | static void atmel_stop_tx(struct uart_port *port) |
200 | { | 200 | { |
201 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 201 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
202 | 202 | ||
203 | UART_PUT_IDR(port, AT91_US_TXRDY); | 203 | UART_PUT_IDR(port, ATMEL_US_TXRDY); |
204 | } | 204 | } |
205 | 205 | ||
206 | /* | 206 | /* |
207 | * Start transmitting. | 207 | * Start transmitting. |
208 | */ | 208 | */ |
209 | static void at91_start_tx(struct uart_port *port) | 209 | static void atmel_start_tx(struct uart_port *port) |
210 | { | 210 | { |
211 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 211 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
212 | 212 | ||
213 | UART_PUT_IER(port, AT91_US_TXRDY); | 213 | UART_PUT_IER(port, ATMEL_US_TXRDY); |
214 | } | 214 | } |
215 | 215 | ||
216 | /* | 216 | /* |
217 | * Stop receiving - port is in process of being closed. | 217 | * Stop receiving - port is in process of being closed. |
218 | */ | 218 | */ |
219 | static void at91_stop_rx(struct uart_port *port) | 219 | static void atmel_stop_rx(struct uart_port *port) |
220 | { | 220 | { |
221 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 221 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
222 | 222 | ||
223 | UART_PUT_IDR(port, AT91_US_RXRDY); | 223 | UART_PUT_IDR(port, ATMEL_US_RXRDY); |
224 | } | 224 | } |
225 | 225 | ||
226 | /* | 226 | /* |
227 | * Enable modem status interrupts | 227 | * Enable modem status interrupts |
228 | */ | 228 | */ |
229 | static void at91_enable_ms(struct uart_port *port) | 229 | static void atmel_enable_ms(struct uart_port *port) |
230 | { | 230 | { |
231 | UART_PUT_IER(port, AT91_US_RIIC | AT91_US_DSRIC | AT91_US_DCDIC | AT91_US_CTSIC); | 231 | UART_PUT_IER(port, ATMEL_US_RIIC | ATMEL_US_DSRIC | ATMEL_US_DCDIC | ATMEL_US_CTSIC); |
232 | } | 232 | } |
233 | 233 | ||
234 | /* | 234 | /* |
235 | * Control the transmission of a break signal | 235 | * Control the transmission of a break signal |
236 | */ | 236 | */ |
237 | static void at91_break_ctl(struct uart_port *port, int break_state) | 237 | static void atmel_break_ctl(struct uart_port *port, int break_state) |
238 | { | 238 | { |
239 | if (break_state != 0) | 239 | if (break_state != 0) |
240 | UART_PUT_CR(port, AT91_US_STTBRK); /* start break */ | 240 | UART_PUT_CR(port, ATMEL_US_STTBRK); /* start break */ |
241 | else | 241 | else |
242 | UART_PUT_CR(port, AT91_US_STPBRK); /* stop break */ | 242 | UART_PUT_CR(port, ATMEL_US_STPBRK); /* stop break */ |
243 | } | 243 | } |
244 | 244 | ||
245 | /* | 245 | /* |
246 | * Characters received (called from interrupt handler) | 246 | * Characters received (called from interrupt handler) |
247 | */ | 247 | */ |
248 | static void at91_rx_chars(struct uart_port *port, struct pt_regs *regs) | 248 | static void atmel_rx_chars(struct uart_port *port, struct pt_regs *regs) |
249 | { | 249 | { |
250 | struct tty_struct *tty = port->info->tty; | 250 | struct tty_struct *tty = port->info->tty; |
251 | unsigned int status, ch, flg; | 251 | unsigned int status, ch, flg; |
252 | 252 | ||
253 | status = UART_GET_CSR(port); | 253 | status = UART_GET_CSR(port); |
254 | while (status & AT91_US_RXRDY) { | 254 | while (status & ATMEL_US_RXRDY) { |
255 | ch = UART_GET_CHAR(port); | 255 | ch = UART_GET_CHAR(port); |
256 | 256 | ||
257 | port->icount.rx++; | 257 | port->icount.rx++; |
@@ -262,35 +262,35 @@ static void at91_rx_chars(struct uart_port *port, struct pt_regs *regs) | |||
262 | * note that the error handling code is | 262 | * note that the error handling code is |
263 | * out of the main execution path | 263 | * out of the main execution path |
264 | */ | 264 | */ |
265 | if (unlikely(status & (AT91_US_PARE | AT91_US_FRAME | AT91_US_OVRE | AT91_US_RXBRK))) { | 265 | if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME | ATMEL_US_OVRE | ATMEL_US_RXBRK))) { |
266 | UART_PUT_CR(port, AT91_US_RSTSTA); /* clear error */ | 266 | UART_PUT_CR(port, ATMEL_US_RSTSTA); /* clear error */ |
267 | if (status & AT91_US_RXBRK) { | 267 | if (status & ATMEL_US_RXBRK) { |
268 | status &= ~(AT91_US_PARE | AT91_US_FRAME); /* ignore side-effect */ | 268 | status &= ~(ATMEL_US_PARE | ATMEL_US_FRAME); /* ignore side-effect */ |
269 | port->icount.brk++; | 269 | port->icount.brk++; |
270 | if (uart_handle_break(port)) | 270 | if (uart_handle_break(port)) |
271 | goto ignore_char; | 271 | goto ignore_char; |
272 | } | 272 | } |
273 | if (status & AT91_US_PARE) | 273 | if (status & ATMEL_US_PARE) |
274 | port->icount.parity++; | 274 | port->icount.parity++; |
275 | if (status & AT91_US_FRAME) | 275 | if (status & ATMEL_US_FRAME) |
276 | port->icount.frame++; | 276 | port->icount.frame++; |
277 | if (status & AT91_US_OVRE) | 277 | if (status & ATMEL_US_OVRE) |
278 | port->icount.overrun++; | 278 | port->icount.overrun++; |
279 | 279 | ||
280 | status &= port->read_status_mask; | 280 | status &= port->read_status_mask; |
281 | 281 | ||
282 | if (status & AT91_US_RXBRK) | 282 | if (status & ATMEL_US_RXBRK) |
283 | flg = TTY_BREAK; | 283 | flg = TTY_BREAK; |
284 | else if (status & AT91_US_PARE) | 284 | else if (status & ATMEL_US_PARE) |
285 | flg = TTY_PARITY; | 285 | flg = TTY_PARITY; |
286 | else if (status & AT91_US_FRAME) | 286 | else if (status & ATMEL_US_FRAME) |
287 | flg = TTY_FRAME; | 287 | flg = TTY_FRAME; |
288 | } | 288 | } |
289 | 289 | ||
290 | if (uart_handle_sysrq_char(port, ch, regs)) | 290 | if (uart_handle_sysrq_char(port, ch, regs)) |
291 | goto ignore_char; | 291 | goto ignore_char; |
292 | 292 | ||
293 | uart_insert_char(port, status, AT91_US_OVRE, ch, flg); | 293 | uart_insert_char(port, status, ATMEL_US_OVRE, ch, flg); |
294 | 294 | ||
295 | ignore_char: | 295 | ignore_char: |
296 | status = UART_GET_CSR(port); | 296 | status = UART_GET_CSR(port); |
@@ -302,7 +302,7 @@ static void at91_rx_chars(struct uart_port *port, struct pt_regs *regs) | |||
302 | /* | 302 | /* |
303 | * Transmit characters (called from interrupt handler) | 303 | * Transmit characters (called from interrupt handler) |
304 | */ | 304 | */ |
305 | static void at91_tx_chars(struct uart_port *port) | 305 | static void atmel_tx_chars(struct uart_port *port) |
306 | { | 306 | { |
307 | struct circ_buf *xmit = &port->info->xmit; | 307 | struct circ_buf *xmit = &port->info->xmit; |
308 | 308 | ||
@@ -313,11 +313,11 @@ static void at91_tx_chars(struct uart_port *port) | |||
313 | return; | 313 | return; |
314 | } | 314 | } |
315 | if (uart_circ_empty(xmit) || uart_tx_stopped(port)) { | 315 | if (uart_circ_empty(xmit) || uart_tx_stopped(port)) { |
316 | at91_stop_tx(port); | 316 | atmel_stop_tx(port); |
317 | return; | 317 | return; |
318 | } | 318 | } |
319 | 319 | ||
320 | while (UART_GET_CSR(port) & AT91_US_TXRDY) { | 320 | while (UART_GET_CSR(port) & ATMEL_US_TXRDY) { |
321 | UART_PUT_CHAR(port, xmit->buf[xmit->tail]); | 321 | UART_PUT_CHAR(port, xmit->buf[xmit->tail]); |
322 | xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); | 322 | xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); |
323 | port->icount.tx++; | 323 | port->icount.tx++; |
@@ -329,40 +329,40 @@ static void at91_tx_chars(struct uart_port *port) | |||
329 | uart_write_wakeup(port); | 329 | uart_write_wakeup(port); |
330 | 330 | ||
331 | if (uart_circ_empty(xmit)) | 331 | if (uart_circ_empty(xmit)) |
332 | at91_stop_tx(port); | 332 | atmel_stop_tx(port); |
333 | } | 333 | } |
334 | 334 | ||
335 | /* | 335 | /* |
336 | * Interrupt handler | 336 | * Interrupt handler |
337 | */ | 337 | */ |
338 | static irqreturn_t at91_interrupt(int irq, void *dev_id, struct pt_regs *regs) | 338 | static irqreturn_t atmel_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
339 | { | 339 | { |
340 | struct uart_port *port = dev_id; | 340 | struct uart_port *port = dev_id; |
341 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 341 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
342 | unsigned int status, pending, pass_counter = 0; | 342 | unsigned int status, pending, pass_counter = 0; |
343 | 343 | ||
344 | status = UART_GET_CSR(port); | 344 | status = UART_GET_CSR(port); |
345 | pending = status & UART_GET_IMR(port); | 345 | pending = status & UART_GET_IMR(port); |
346 | while (pending) { | 346 | while (pending) { |
347 | /* Interrupt receive */ | 347 | /* Interrupt receive */ |
348 | if (pending & AT91_US_RXRDY) | 348 | if (pending & ATMEL_US_RXRDY) |
349 | at91_rx_chars(port, regs); | 349 | atmel_rx_chars(port, regs); |
350 | 350 | ||
351 | // TODO: All reads to CSR will clear these interrupts! | 351 | // TODO: All reads to CSR will clear these interrupts! |
352 | if (pending & AT91_US_RIIC) port->icount.rng++; | 352 | if (pending & ATMEL_US_RIIC) port->icount.rng++; |
353 | if (pending & AT91_US_DSRIC) port->icount.dsr++; | 353 | if (pending & ATMEL_US_DSRIC) port->icount.dsr++; |
354 | if (pending & AT91_US_DCDIC) | 354 | if (pending & ATMEL_US_DCDIC) |
355 | uart_handle_dcd_change(port, !(status & AT91_US_DCD)); | 355 | uart_handle_dcd_change(port, !(status & ATMEL_US_DCD)); |
356 | if (pending & AT91_US_CTSIC) | 356 | if (pending & ATMEL_US_CTSIC) |
357 | uart_handle_cts_change(port, !(status & AT91_US_CTS)); | 357 | uart_handle_cts_change(port, !(status & ATMEL_US_CTS)); |
358 | if (pending & (AT91_US_RIIC | AT91_US_DSRIC | AT91_US_DCDIC | AT91_US_CTSIC)) | 358 | if (pending & (ATMEL_US_RIIC | ATMEL_US_DSRIC | ATMEL_US_DCDIC | ATMEL_US_CTSIC)) |
359 | wake_up_interruptible(&port->info->delta_msr_wait); | 359 | wake_up_interruptible(&port->info->delta_msr_wait); |
360 | 360 | ||
361 | /* Interrupt transmit */ | 361 | /* Interrupt transmit */ |
362 | if (pending & AT91_US_TXRDY) | 362 | if (pending & ATMEL_US_TXRDY) |
363 | at91_tx_chars(port); | 363 | atmel_tx_chars(port); |
364 | 364 | ||
365 | if (pass_counter++ > AT91_ISR_PASS_LIMIT) | 365 | if (pass_counter++ > ATMEL_ISR_PASS_LIMIT) |
366 | break; | 366 | break; |
367 | 367 | ||
368 | status = UART_GET_CSR(port); | 368 | status = UART_GET_CSR(port); |
@@ -374,9 +374,9 @@ static irqreturn_t at91_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |||
374 | /* | 374 | /* |
375 | * Perform initialization and enable port for reception | 375 | * Perform initialization and enable port for reception |
376 | */ | 376 | */ |
377 | static int at91_startup(struct uart_port *port) | 377 | static int atmel_startup(struct uart_port *port) |
378 | { | 378 | { |
379 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 379 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
380 | int retval; | 380 | int retval; |
381 | 381 | ||
382 | /* | 382 | /* |
@@ -389,9 +389,9 @@ static int at91_startup(struct uart_port *port) | |||
389 | /* | 389 | /* |
390 | * Allocate the IRQ | 390 | * Allocate the IRQ |
391 | */ | 391 | */ |
392 | retval = request_irq(port->irq, at91_interrupt, IRQF_SHARED, "at91_serial", port); | 392 | retval = request_irq(port->irq, atmel_interrupt, IRQF_SHARED, "atmel_serial", port); |
393 | if (retval) { | 393 | if (retval) { |
394 | printk("at91_serial: at91_startup - Can't get irq\n"); | 394 | printk("atmel_serial: atmel_startup - Can't get irq\n"); |
395 | return retval; | 395 | return retval; |
396 | } | 396 | } |
397 | 397 | ||
@@ -410,10 +410,10 @@ static int at91_startup(struct uart_port *port) | |||
410 | /* | 410 | /* |
411 | * Finally, enable the serial port | 411 | * Finally, enable the serial port |
412 | */ | 412 | */ |
413 | UART_PUT_CR(port, AT91_US_RSTSTA | AT91_US_RSTRX); | 413 | UART_PUT_CR(port, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); |
414 | UART_PUT_CR(port, AT91_US_TXEN | AT91_US_RXEN); /* enable xmit & rcvr */ | 414 | UART_PUT_CR(port, ATMEL_US_TXEN | ATMEL_US_RXEN); /* enable xmit & rcvr */ |
415 | 415 | ||
416 | UART_PUT_IER(port, AT91_US_RXRDY); /* enable receive only */ | 416 | UART_PUT_IER(port, ATMEL_US_RXRDY); /* enable receive only */ |
417 | 417 | ||
418 | return 0; | 418 | return 0; |
419 | } | 419 | } |
@@ -421,14 +421,14 @@ static int at91_startup(struct uart_port *port) | |||
421 | /* | 421 | /* |
422 | * Disable the port | 422 | * Disable the port |
423 | */ | 423 | */ |
424 | static void at91_shutdown(struct uart_port *port) | 424 | static void atmel_shutdown(struct uart_port *port) |
425 | { | 425 | { |
426 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 426 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
427 | 427 | ||
428 | /* | 428 | /* |
429 | * Disable all interrupts, port and break condition. | 429 | * Disable all interrupts, port and break condition. |
430 | */ | 430 | */ |
431 | UART_PUT_CR(port, AT91_US_RSTSTA); | 431 | UART_PUT_CR(port, ATMEL_US_RSTSTA); |
432 | UART_PUT_IDR(port, -1); | 432 | UART_PUT_IDR(port, -1); |
433 | 433 | ||
434 | /* | 434 | /* |
@@ -447,9 +447,9 @@ static void at91_shutdown(struct uart_port *port) | |||
447 | /* | 447 | /* |
448 | * Power / Clock management. | 448 | * Power / Clock management. |
449 | */ | 449 | */ |
450 | static void at91_serial_pm(struct uart_port *port, unsigned int state, unsigned int oldstate) | 450 | static void atmel_serial_pm(struct uart_port *port, unsigned int state, unsigned int oldstate) |
451 | { | 451 | { |
452 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 452 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
453 | 453 | ||
454 | switch (state) { | 454 | switch (state) { |
455 | case 0: | 455 | case 0: |
@@ -457,24 +457,24 @@ static void at91_serial_pm(struct uart_port *port, unsigned int state, unsigned | |||
457 | * Enable the peripheral clock for this serial port. | 457 | * Enable the peripheral clock for this serial port. |
458 | * This is called on uart_open() or a resume event. | 458 | * This is called on uart_open() or a resume event. |
459 | */ | 459 | */ |
460 | clk_enable(at91_port->clk); | 460 | clk_enable(atmel_port->clk); |
461 | break; | 461 | break; |
462 | case 3: | 462 | case 3: |
463 | /* | 463 | /* |
464 | * Disable the peripheral clock for this serial port. | 464 | * Disable the peripheral clock for this serial port. |
465 | * This is called on uart_close() or a suspend event. | 465 | * This is called on uart_close() or a suspend event. |
466 | */ | 466 | */ |
467 | clk_disable(at91_port->clk); | 467 | clk_disable(atmel_port->clk); |
468 | break; | 468 | break; |
469 | default: | 469 | default: |
470 | printk(KERN_ERR "at91_serial: unknown pm %d\n", state); | 470 | printk(KERN_ERR "atmel_serial: unknown pm %d\n", state); |
471 | } | 471 | } |
472 | } | 472 | } |
473 | 473 | ||
474 | /* | 474 | /* |
475 | * Change the port parameters | 475 | * Change the port parameters |
476 | */ | 476 | */ |
477 | static void at91_set_termios(struct uart_port *port, struct termios * termios, struct termios * old) | 477 | static void atmel_set_termios(struct uart_port *port, struct termios * termios, struct termios * old) |
478 | { | 478 | { |
479 | unsigned long flags; | 479 | unsigned long flags; |
480 | unsigned int mode, imr, quot, baud; | 480 | unsigned int mode, imr, quot, baud; |
@@ -483,66 +483,66 @@ static void at91_set_termios(struct uart_port *port, struct termios * termios, s | |||
483 | quot = uart_get_divisor(port, baud); | 483 | quot = uart_get_divisor(port, baud); |
484 | 484 | ||
485 | /* Get current mode register */ | 485 | /* Get current mode register */ |
486 | mode = UART_GET_MR(port) & ~(AT91_US_CHRL | AT91_US_NBSTOP | AT91_US_PAR); | 486 | mode = UART_GET_MR(port) & ~(ATMEL_US_CHRL | ATMEL_US_NBSTOP | ATMEL_US_PAR); |
487 | 487 | ||
488 | /* byte size */ | 488 | /* byte size */ |
489 | switch (termios->c_cflag & CSIZE) { | 489 | switch (termios->c_cflag & CSIZE) { |
490 | case CS5: | 490 | case CS5: |
491 | mode |= AT91_US_CHRL_5; | 491 | mode |= ATMEL_US_CHRL_5; |
492 | break; | 492 | break; |
493 | case CS6: | 493 | case CS6: |
494 | mode |= AT91_US_CHRL_6; | 494 | mode |= ATMEL_US_CHRL_6; |
495 | break; | 495 | break; |
496 | case CS7: | 496 | case CS7: |
497 | mode |= AT91_US_CHRL_7; | 497 | mode |= ATMEL_US_CHRL_7; |
498 | break; | 498 | break; |
499 | default: | 499 | default: |
500 | mode |= AT91_US_CHRL_8; | 500 | mode |= ATMEL_US_CHRL_8; |
501 | break; | 501 | break; |
502 | } | 502 | } |
503 | 503 | ||
504 | /* stop bits */ | 504 | /* stop bits */ |
505 | if (termios->c_cflag & CSTOPB) | 505 | if (termios->c_cflag & CSTOPB) |
506 | mode |= AT91_US_NBSTOP_2; | 506 | mode |= ATMEL_US_NBSTOP_2; |
507 | 507 | ||
508 | /* parity */ | 508 | /* parity */ |
509 | if (termios->c_cflag & PARENB) { | 509 | if (termios->c_cflag & PARENB) { |
510 | if (termios->c_cflag & CMSPAR) { /* Mark or Space parity */ | 510 | if (termios->c_cflag & CMSPAR) { /* Mark or Space parity */ |
511 | if (termios->c_cflag & PARODD) | 511 | if (termios->c_cflag & PARODD) |
512 | mode |= AT91_US_PAR_MARK; | 512 | mode |= ATMEL_US_PAR_MARK; |
513 | else | 513 | else |
514 | mode |= AT91_US_PAR_SPACE; | 514 | mode |= ATMEL_US_PAR_SPACE; |
515 | } | 515 | } |
516 | else if (termios->c_cflag & PARODD) | 516 | else if (termios->c_cflag & PARODD) |
517 | mode |= AT91_US_PAR_ODD; | 517 | mode |= ATMEL_US_PAR_ODD; |
518 | else | 518 | else |
519 | mode |= AT91_US_PAR_EVEN; | 519 | mode |= ATMEL_US_PAR_EVEN; |
520 | } | 520 | } |
521 | else | 521 | else |
522 | mode |= AT91_US_PAR_NONE; | 522 | mode |= ATMEL_US_PAR_NONE; |
523 | 523 | ||
524 | spin_lock_irqsave(&port->lock, flags); | 524 | spin_lock_irqsave(&port->lock, flags); |
525 | 525 | ||
526 | port->read_status_mask = AT91_US_OVRE; | 526 | port->read_status_mask = ATMEL_US_OVRE; |
527 | if (termios->c_iflag & INPCK) | 527 | if (termios->c_iflag & INPCK) |
528 | port->read_status_mask |= (AT91_US_FRAME | AT91_US_PARE); | 528 | port->read_status_mask |= (ATMEL_US_FRAME | ATMEL_US_PARE); |
529 | if (termios->c_iflag & (BRKINT | PARMRK)) | 529 | if (termios->c_iflag & (BRKINT | PARMRK)) |
530 | port->read_status_mask |= AT91_US_RXBRK; | 530 | port->read_status_mask |= ATMEL_US_RXBRK; |
531 | 531 | ||
532 | /* | 532 | /* |
533 | * Characters to ignore | 533 | * Characters to ignore |
534 | */ | 534 | */ |
535 | port->ignore_status_mask = 0; | 535 | port->ignore_status_mask = 0; |
536 | if (termios->c_iflag & IGNPAR) | 536 | if (termios->c_iflag & IGNPAR) |
537 | port->ignore_status_mask |= (AT91_US_FRAME | AT91_US_PARE); | 537 | port->ignore_status_mask |= (ATMEL_US_FRAME | ATMEL_US_PARE); |
538 | if (termios->c_iflag & IGNBRK) { | 538 | if (termios->c_iflag & IGNBRK) { |
539 | port->ignore_status_mask |= AT91_US_RXBRK; | 539 | port->ignore_status_mask |= ATMEL_US_RXBRK; |
540 | /* | 540 | /* |
541 | * If we're ignoring parity and break indicators, | 541 | * If we're ignoring parity and break indicators, |
542 | * ignore overruns too (for real raw support). | 542 | * ignore overruns too (for real raw support). |
543 | */ | 543 | */ |
544 | if (termios->c_iflag & IGNPAR) | 544 | if (termios->c_iflag & IGNPAR) |
545 | port->ignore_status_mask |= AT91_US_OVRE; | 545 | port->ignore_status_mask |= ATMEL_US_OVRE; |
546 | } | 546 | } |
547 | 547 | ||
548 | // TODO: Ignore all characters if CREAD is set. | 548 | // TODO: Ignore all characters if CREAD is set. |
@@ -553,18 +553,18 @@ static void at91_set_termios(struct uart_port *port, struct termios * termios, s | |||
553 | /* disable interrupts and drain transmitter */ | 553 | /* disable interrupts and drain transmitter */ |
554 | imr = UART_GET_IMR(port); /* get interrupt mask */ | 554 | imr = UART_GET_IMR(port); /* get interrupt mask */ |
555 | UART_PUT_IDR(port, -1); /* disable all interrupts */ | 555 | UART_PUT_IDR(port, -1); /* disable all interrupts */ |
556 | while (!(UART_GET_CSR(port) & AT91_US_TXEMPTY)) { barrier(); } | 556 | while (!(UART_GET_CSR(port) & ATMEL_US_TXEMPTY)) { barrier(); } |
557 | 557 | ||
558 | /* disable receiver and transmitter */ | 558 | /* disable receiver and transmitter */ |
559 | UART_PUT_CR(port, AT91_US_TXDIS | AT91_US_RXDIS); | 559 | UART_PUT_CR(port, ATMEL_US_TXDIS | ATMEL_US_RXDIS); |
560 | 560 | ||
561 | /* set the parity, stop bits and data size */ | 561 | /* set the parity, stop bits and data size */ |
562 | UART_PUT_MR(port, mode); | 562 | UART_PUT_MR(port, mode); |
563 | 563 | ||
564 | /* set the baud rate */ | 564 | /* set the baud rate */ |
565 | UART_PUT_BRGR(port, quot); | 565 | UART_PUT_BRGR(port, quot); |
566 | UART_PUT_CR(port, AT91_US_RSTSTA | AT91_US_RSTRX); | 566 | UART_PUT_CR(port, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); |
567 | UART_PUT_CR(port, AT91_US_TXEN | AT91_US_RXEN); | 567 | UART_PUT_CR(port, ATMEL_US_TXEN | ATMEL_US_RXEN); |
568 | 568 | ||
569 | /* restore interrupts */ | 569 | /* restore interrupts */ |
570 | UART_PUT_IER(port, imr); | 570 | UART_PUT_IER(port, imr); |
@@ -579,15 +579,15 @@ static void at91_set_termios(struct uart_port *port, struct termios * termios, s | |||
579 | /* | 579 | /* |
580 | * Return string describing the specified port | 580 | * Return string describing the specified port |
581 | */ | 581 | */ |
582 | static const char *at91_type(struct uart_port *port) | 582 | static const char *atmel_type(struct uart_port *port) |
583 | { | 583 | { |
584 | return (port->type == PORT_AT91) ? "AT91_SERIAL" : NULL; | 584 | return (port->type == PORT_AT91) ? "ATMEL_SERIAL" : NULL; |
585 | } | 585 | } |
586 | 586 | ||
587 | /* | 587 | /* |
588 | * Release the memory region(s) being used by 'port'. | 588 | * Release the memory region(s) being used by 'port'. |
589 | */ | 589 | */ |
590 | static void at91_release_port(struct uart_port *port) | 590 | static void atmel_release_port(struct uart_port *port) |
591 | { | 591 | { |
592 | struct platform_device *pdev = to_platform_device(port->dev); | 592 | struct platform_device *pdev = to_platform_device(port->dev); |
593 | int size = pdev->resource[0].end - pdev->resource[0].start + 1; | 593 | int size = pdev->resource[0].end - pdev->resource[0].start + 1; |
@@ -603,12 +603,12 @@ static void at91_release_port(struct uart_port *port) | |||
603 | /* | 603 | /* |
604 | * Request the memory region(s) being used by 'port'. | 604 | * Request the memory region(s) being used by 'port'. |
605 | */ | 605 | */ |
606 | static int at91_request_port(struct uart_port *port) | 606 | static int atmel_request_port(struct uart_port *port) |
607 | { | 607 | { |
608 | struct platform_device *pdev = to_platform_device(port->dev); | 608 | struct platform_device *pdev = to_platform_device(port->dev); |
609 | int size = pdev->resource[0].end - pdev->resource[0].start + 1; | 609 | int size = pdev->resource[0].end - pdev->resource[0].start + 1; |
610 | 610 | ||
611 | if (!request_mem_region(port->mapbase, size, "at91_serial")) | 611 | if (!request_mem_region(port->mapbase, size, "atmel_serial")) |
612 | return -EBUSY; | 612 | return -EBUSY; |
613 | 613 | ||
614 | if (port->flags & UPF_IOREMAP) { | 614 | if (port->flags & UPF_IOREMAP) { |
@@ -625,18 +625,18 @@ static int at91_request_port(struct uart_port *port) | |||
625 | /* | 625 | /* |
626 | * Configure/autoconfigure the port. | 626 | * Configure/autoconfigure the port. |
627 | */ | 627 | */ |
628 | static void at91_config_port(struct uart_port *port, int flags) | 628 | static void atmel_config_port(struct uart_port *port, int flags) |
629 | { | 629 | { |
630 | if (flags & UART_CONFIG_TYPE) { | 630 | if (flags & UART_CONFIG_TYPE) { |
631 | port->type = PORT_AT91; | 631 | port->type = PORT_AT91; |
632 | at91_request_port(port); | 632 | atmel_request_port(port); |
633 | } | 633 | } |
634 | } | 634 | } |
635 | 635 | ||
636 | /* | 636 | /* |
637 | * Verify the new serial_struct (for TIOCSSERIAL). | 637 | * Verify the new serial_struct (for TIOCSSERIAL). |
638 | */ | 638 | */ |
639 | static int at91_verify_port(struct uart_port *port, struct serial_struct *ser) | 639 | static int atmel_verify_port(struct uart_port *port, struct serial_struct *ser) |
640 | { | 640 | { |
641 | int ret = 0; | 641 | int ret = 0; |
642 | if (ser->type != PORT_UNKNOWN && ser->type != PORT_AT91) | 642 | if (ser->type != PORT_UNKNOWN && ser->type != PORT_AT91) |
@@ -656,37 +656,37 @@ static int at91_verify_port(struct uart_port *port, struct serial_struct *ser) | |||
656 | return ret; | 656 | return ret; |
657 | } | 657 | } |
658 | 658 | ||
659 | static struct uart_ops at91_pops = { | 659 | static struct uart_ops atmel_pops = { |
660 | .tx_empty = at91_tx_empty, | 660 | .tx_empty = atmel_tx_empty, |
661 | .set_mctrl = at91_set_mctrl, | 661 | .set_mctrl = atmel_set_mctrl, |
662 | .get_mctrl = at91_get_mctrl, | 662 | .get_mctrl = atmel_get_mctrl, |
663 | .stop_tx = at91_stop_tx, | 663 | .stop_tx = atmel_stop_tx, |
664 | .start_tx = at91_start_tx, | 664 | .start_tx = atmel_start_tx, |
665 | .stop_rx = at91_stop_rx, | 665 | .stop_rx = atmel_stop_rx, |
666 | .enable_ms = at91_enable_ms, | 666 | .enable_ms = atmel_enable_ms, |
667 | .break_ctl = at91_break_ctl, | 667 | .break_ctl = atmel_break_ctl, |
668 | .startup = at91_startup, | 668 | .startup = atmel_startup, |
669 | .shutdown = at91_shutdown, | 669 | .shutdown = atmel_shutdown, |
670 | .set_termios = at91_set_termios, | 670 | .set_termios = atmel_set_termios, |
671 | .type = at91_type, | 671 | .type = atmel_type, |
672 | .release_port = at91_release_port, | 672 | .release_port = atmel_release_port, |
673 | .request_port = at91_request_port, | 673 | .request_port = atmel_request_port, |
674 | .config_port = at91_config_port, | 674 | .config_port = atmel_config_port, |
675 | .verify_port = at91_verify_port, | 675 | .verify_port = atmel_verify_port, |
676 | .pm = at91_serial_pm, | 676 | .pm = atmel_serial_pm, |
677 | }; | 677 | }; |
678 | 678 | ||
679 | /* | 679 | /* |
680 | * Configure the port from the platform device resource info. | 680 | * Configure the port from the platform device resource info. |
681 | */ | 681 | */ |
682 | static void __devinit at91_init_port(struct at91_uart_port *at91_port, struct platform_device *pdev) | 682 | static void __devinit atmel_init_port(struct atmel_uart_port *atmel_port, struct platform_device *pdev) |
683 | { | 683 | { |
684 | struct uart_port *port = &at91_port->uart; | 684 | struct uart_port *port = &atmel_port->uart; |
685 | struct atmel_uart_data *data = pdev->dev.platform_data; | 685 | struct atmel_uart_data *data = pdev->dev.platform_data; |
686 | 686 | ||
687 | port->iotype = UPIO_MEM; | 687 | port->iotype = UPIO_MEM; |
688 | port->flags = UPF_BOOT_AUTOCONF; | 688 | port->flags = UPF_BOOT_AUTOCONF; |
689 | port->ops = &at91_pops; | 689 | port->ops = &atmel_pops; |
690 | port->fifosize = 1; | 690 | port->fifosize = 1; |
691 | port->line = pdev->id; | 691 | port->line = pdev->id; |
692 | port->dev = &pdev->dev; | 692 | port->dev = &pdev->dev; |
@@ -701,10 +701,10 @@ static void __devinit at91_init_port(struct at91_uart_port *at91_port, struct pl | |||
701 | port->membase = NULL; | 701 | port->membase = NULL; |
702 | } | 702 | } |
703 | 703 | ||
704 | if (!at91_port->clk) { /* for console, the clock could already be configured */ | 704 | if (!atmel_port->clk) { /* for console, the clock could already be configured */ |
705 | at91_port->clk = clk_get(&pdev->dev, "usart"); | 705 | atmel_port->clk = clk_get(&pdev->dev, "usart"); |
706 | clk_enable(at91_port->clk); | 706 | clk_enable(atmel_port->clk); |
707 | port->uartclk = clk_get_rate(at91_port->clk); | 707 | port->uartclk = clk_get_rate(atmel_port->clk); |
708 | } | 708 | } |
709 | } | 709 | } |
710 | 710 | ||
@@ -714,22 +714,22 @@ static void __devinit at91_init_port(struct at91_uart_port *at91_port, struct pl | |||
714 | void __init at91_register_uart_fns(struct at91_port_fns *fns) | 714 | void __init at91_register_uart_fns(struct at91_port_fns *fns) |
715 | { | 715 | { |
716 | if (fns->enable_ms) | 716 | if (fns->enable_ms) |
717 | at91_pops.enable_ms = fns->enable_ms; | 717 | atmel_pops.enable_ms = fns->enable_ms; |
718 | if (fns->get_mctrl) | 718 | if (fns->get_mctrl) |
719 | at91_pops.get_mctrl = fns->get_mctrl; | 719 | atmel_pops.get_mctrl = fns->get_mctrl; |
720 | if (fns->set_mctrl) | 720 | if (fns->set_mctrl) |
721 | at91_pops.set_mctrl = fns->set_mctrl; | 721 | atmel_pops.set_mctrl = fns->set_mctrl; |
722 | at91_open = fns->open; | 722 | at91_open = fns->open; |
723 | at91_close = fns->close; | 723 | at91_close = fns->close; |
724 | at91_pops.pm = fns->pm; | 724 | atmel_pops.pm = fns->pm; |
725 | at91_pops.set_wake = fns->set_wake; | 725 | atmel_pops.set_wake = fns->set_wake; |
726 | } | 726 | } |
727 | 727 | ||
728 | 728 | ||
729 | #ifdef CONFIG_SERIAL_ATMEL_CONSOLE | 729 | #ifdef CONFIG_SERIAL_ATMEL_CONSOLE |
730 | static void at91_console_putchar(struct uart_port *port, int ch) | 730 | static void atmel_console_putchar(struct uart_port *port, int ch) |
731 | { | 731 | { |
732 | while (!(UART_GET_CSR(port) & AT91_US_TXRDY)) | 732 | while (!(UART_GET_CSR(port) & ATMEL_US_TXRDY)) |
733 | barrier(); | 733 | barrier(); |
734 | UART_PUT_CHAR(port, ch); | 734 | UART_PUT_CHAR(port, ch); |
735 | } | 735 | } |
@@ -737,18 +737,18 @@ static void at91_console_putchar(struct uart_port *port, int ch) | |||
737 | /* | 737 | /* |
738 | * Interrupts are disabled on entering | 738 | * Interrupts are disabled on entering |
739 | */ | 739 | */ |
740 | static void at91_console_write(struct console *co, const char *s, u_int count) | 740 | static void atmel_console_write(struct console *co, const char *s, u_int count) |
741 | { | 741 | { |
742 | struct uart_port *port = &at91_ports[co->index].uart; | 742 | struct uart_port *port = &atmel_ports[co->index].uart; |
743 | unsigned int status, imr; | 743 | unsigned int status, imr; |
744 | 744 | ||
745 | /* | 745 | /* |
746 | * First, save IMR and then disable interrupts | 746 | * First, save IMR and then disable interrupts |
747 | */ | 747 | */ |
748 | imr = UART_GET_IMR(port); /* get interrupt mask */ | 748 | imr = UART_GET_IMR(port); /* get interrupt mask */ |
749 | UART_PUT_IDR(port, AT91_US_RXRDY | AT91_US_TXRDY); | 749 | UART_PUT_IDR(port, ATMEL_US_RXRDY | ATMEL_US_TXRDY); |
750 | 750 | ||
751 | uart_console_write(port, s, count, at91_console_putchar); | 751 | uart_console_write(port, s, count, atmel_console_putchar); |
752 | 752 | ||
753 | /* | 753 | /* |
754 | * Finally, wait for transmitter to become empty | 754 | * Finally, wait for transmitter to become empty |
@@ -756,7 +756,7 @@ static void at91_console_write(struct console *co, const char *s, u_int count) | |||
756 | */ | 756 | */ |
757 | do { | 757 | do { |
758 | status = UART_GET_CSR(port); | 758 | status = UART_GET_CSR(port); |
759 | } while (!(status & AT91_US_TXRDY)); | 759 | } while (!(status & ATMEL_US_TXRDY)); |
760 | UART_PUT_IER(port, imr); /* set interrupts back the way they were */ | 760 | UART_PUT_IER(port, imr); /* set interrupts back the way they were */ |
761 | } | 761 | } |
762 | 762 | ||
@@ -764,37 +764,37 @@ static void at91_console_write(struct console *co, const char *s, u_int count) | |||
764 | * If the port was already initialised (eg, by a boot loader), try to determine | 764 | * If the port was already initialised (eg, by a boot loader), try to determine |
765 | * the current setup. | 765 | * the current setup. |
766 | */ | 766 | */ |
767 | static void __init at91_console_get_options(struct uart_port *port, int *baud, int *parity, int *bits) | 767 | static void __init atmel_console_get_options(struct uart_port *port, int *baud, int *parity, int *bits) |
768 | { | 768 | { |
769 | unsigned int mr, quot; | 769 | unsigned int mr, quot; |
770 | 770 | ||
771 | // TODO: CR is a write-only register | 771 | // TODO: CR is a write-only register |
772 | // unsigned int cr; | 772 | // unsigned int cr; |
773 | // | 773 | // |
774 | // cr = UART_GET_CR(port) & (AT91_US_RXEN | AT91_US_TXEN); | 774 | // cr = UART_GET_CR(port) & (ATMEL_US_RXEN | ATMEL_US_TXEN); |
775 | // if (cr == (AT91_US_RXEN | AT91_US_TXEN)) { | 775 | // if (cr == (ATMEL_US_RXEN | ATMEL_US_TXEN)) { |
776 | // /* ok, the port was enabled */ | 776 | // /* ok, the port was enabled */ |
777 | // } | 777 | // } |
778 | 778 | ||
779 | mr = UART_GET_MR(port) & AT91_US_CHRL; | 779 | mr = UART_GET_MR(port) & ATMEL_US_CHRL; |
780 | if (mr == AT91_US_CHRL_8) | 780 | if (mr == ATMEL_US_CHRL_8) |
781 | *bits = 8; | 781 | *bits = 8; |
782 | else | 782 | else |
783 | *bits = 7; | 783 | *bits = 7; |
784 | 784 | ||
785 | mr = UART_GET_MR(port) & AT91_US_PAR; | 785 | mr = UART_GET_MR(port) & ATMEL_US_PAR; |
786 | if (mr == AT91_US_PAR_EVEN) | 786 | if (mr == ATMEL_US_PAR_EVEN) |
787 | *parity = 'e'; | 787 | *parity = 'e'; |
788 | else if (mr == AT91_US_PAR_ODD) | 788 | else if (mr == ATMEL_US_PAR_ODD) |
789 | *parity = 'o'; | 789 | *parity = 'o'; |
790 | 790 | ||
791 | quot = UART_GET_BRGR(port); | 791 | quot = UART_GET_BRGR(port); |
792 | *baud = port->uartclk / (16 * (quot)); | 792 | *baud = port->uartclk / (16 * (quot)); |
793 | } | 793 | } |
794 | 794 | ||
795 | static int __init at91_console_setup(struct console *co, char *options) | 795 | static int __init atmel_console_setup(struct console *co, char *options) |
796 | { | 796 | { |
797 | struct uart_port *port = &at91_ports[co->index].uart; | 797 | struct uart_port *port = &atmel_ports[co->index].uart; |
798 | int baud = 115200; | 798 | int baud = 115200; |
799 | int bits = 8; | 799 | int bits = 8; |
800 | int parity = 'n'; | 800 | int parity = 'n'; |
@@ -804,115 +804,115 @@ static int __init at91_console_setup(struct console *co, char *options) | |||
804 | return -ENODEV; | 804 | return -ENODEV; |
805 | 805 | ||
806 | UART_PUT_IDR(port, -1); /* disable interrupts */ | 806 | UART_PUT_IDR(port, -1); /* disable interrupts */ |
807 | UART_PUT_CR(port, AT91_US_RSTSTA | AT91_US_RSTRX); | 807 | UART_PUT_CR(port, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); |
808 | UART_PUT_CR(port, AT91_US_TXEN | AT91_US_RXEN); | 808 | UART_PUT_CR(port, ATMEL_US_TXEN | ATMEL_US_RXEN); |
809 | 809 | ||
810 | if (options) | 810 | if (options) |
811 | uart_parse_options(options, &baud, &parity, &bits, &flow); | 811 | uart_parse_options(options, &baud, &parity, &bits, &flow); |
812 | else | 812 | else |
813 | at91_console_get_options(port, &baud, &parity, &bits); | 813 | atmel_console_get_options(port, &baud, &parity, &bits); |
814 | 814 | ||
815 | return uart_set_options(port, co, baud, parity, bits, flow); | 815 | return uart_set_options(port, co, baud, parity, bits, flow); |
816 | } | 816 | } |
817 | 817 | ||
818 | static struct uart_driver at91_uart; | 818 | static struct uart_driver atmel_uart; |
819 | 819 | ||
820 | static struct console at91_console = { | 820 | static struct console atmel_console = { |
821 | .name = AT91_DEVICENAME, | 821 | .name = ATMEL_DEVICENAME, |
822 | .write = at91_console_write, | 822 | .write = atmel_console_write, |
823 | .device = uart_console_device, | 823 | .device = uart_console_device, |
824 | .setup = at91_console_setup, | 824 | .setup = atmel_console_setup, |
825 | .flags = CON_PRINTBUFFER, | 825 | .flags = CON_PRINTBUFFER, |
826 | .index = -1, | 826 | .index = -1, |
827 | .data = &at91_uart, | 827 | .data = &atmel_uart, |
828 | }; | 828 | }; |
829 | 829 | ||
830 | #define AT91_CONSOLE_DEVICE &at91_console | 830 | #define ATMEL_CONSOLE_DEVICE &atmel_console |
831 | 831 | ||
832 | /* | 832 | /* |
833 | * Early console initialization (before VM subsystem initialized). | 833 | * Early console initialization (before VM subsystem initialized). |
834 | */ | 834 | */ |
835 | static int __init at91_console_init(void) | 835 | static int __init atmel_console_init(void) |
836 | { | 836 | { |
837 | if (atmel_default_console_device) { | 837 | if (atmel_default_console_device) { |
838 | add_preferred_console(AT91_DEVICENAME, atmel_default_console_device->id, NULL); | 838 | add_preferred_console(ATMEL_DEVICENAME, atmel_default_console_device->id, NULL); |
839 | at91_init_port(&(at91_ports[atmel_default_console_device->id]), atmel_default_console_device); | 839 | atmel_init_port(&(atmel_ports[atmel_default_console_device->id]), atmel_default_console_device); |
840 | register_console(&at91_console); | 840 | register_console(&atmel_console); |
841 | } | 841 | } |
842 | 842 | ||
843 | return 0; | 843 | return 0; |
844 | } | 844 | } |
845 | console_initcall(at91_console_init); | 845 | console_initcall(atmel_console_init); |
846 | 846 | ||
847 | /* | 847 | /* |
848 | * Late console initialization. | 848 | * Late console initialization. |
849 | */ | 849 | */ |
850 | static int __init at91_late_console_init(void) | 850 | static int __init atmel_late_console_init(void) |
851 | { | 851 | { |
852 | if (atmel_default_console_device && !(at91_console.flags & CON_ENABLED)) | 852 | if (atmel_default_console_device && !(atmel_console.flags & CON_ENABLED)) |
853 | register_console(&at91_console); | 853 | register_console(&atmel_console); |
854 | 854 | ||
855 | return 0; | 855 | return 0; |
856 | } | 856 | } |
857 | core_initcall(at91_late_console_init); | 857 | core_initcall(atmel_late_console_init); |
858 | 858 | ||
859 | #else | 859 | #else |
860 | #define AT91_CONSOLE_DEVICE NULL | 860 | #define ATMEL_CONSOLE_DEVICE NULL |
861 | #endif | 861 | #endif |
862 | 862 | ||
863 | static struct uart_driver at91_uart = { | 863 | static struct uart_driver atmel_uart = { |
864 | .owner = THIS_MODULE, | 864 | .owner = THIS_MODULE, |
865 | .driver_name = "at91_serial", | 865 | .driver_name = "atmel_serial", |
866 | .dev_name = AT91_DEVICENAME, | 866 | .dev_name = ATMEL_DEVICENAME, |
867 | .major = SERIAL_AT91_MAJOR, | 867 | .major = SERIAL_ATMEL_MAJOR, |
868 | .minor = MINOR_START, | 868 | .minor = MINOR_START, |
869 | .nr = ATMEL_MAX_UART, | 869 | .nr = ATMEL_MAX_UART, |
870 | .cons = AT91_CONSOLE_DEVICE, | 870 | .cons = ATMEL_CONSOLE_DEVICE, |
871 | }; | 871 | }; |
872 | 872 | ||
873 | #ifdef CONFIG_PM | 873 | #ifdef CONFIG_PM |
874 | static int at91_serial_suspend(struct platform_device *pdev, pm_message_t state) | 874 | static int atmel_serial_suspend(struct platform_device *pdev, pm_message_t state) |
875 | { | 875 | { |
876 | struct uart_port *port = platform_get_drvdata(pdev); | 876 | struct uart_port *port = platform_get_drvdata(pdev); |
877 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 877 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
878 | 878 | ||
879 | if (device_may_wakeup(&pdev->dev) && !at91_suspend_entering_slow_clock()) | 879 | if (device_may_wakeup(&pdev->dev) && !at91_suspend_entering_slow_clock()) |
880 | enable_irq_wake(port->irq); | 880 | enable_irq_wake(port->irq); |
881 | else { | 881 | else { |
882 | disable_irq_wake(port->irq); | 882 | disable_irq_wake(port->irq); |
883 | uart_suspend_port(&at91_uart, port); | 883 | uart_suspend_port(&atmel_uart, port); |
884 | at91_port->suspended = 1; | 884 | atmel_port->suspended = 1; |
885 | } | 885 | } |
886 | 886 | ||
887 | return 0; | 887 | return 0; |
888 | } | 888 | } |
889 | 889 | ||
890 | static int at91_serial_resume(struct platform_device *pdev) | 890 | static int atmel_serial_resume(struct platform_device *pdev) |
891 | { | 891 | { |
892 | struct uart_port *port = platform_get_drvdata(pdev); | 892 | struct uart_port *port = platform_get_drvdata(pdev); |
893 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 893 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
894 | 894 | ||
895 | if (at91_port->suspended) { | 895 | if (atmel_port->suspended) { |
896 | uart_resume_port(&at91_uart, port); | 896 | uart_resume_port(&atmel_uart, port); |
897 | at91_port->suspended = 0; | 897 | atmel_port->suspended = 0; |
898 | } | 898 | } |
899 | 899 | ||
900 | return 0; | 900 | return 0; |
901 | } | 901 | } |
902 | #else | 902 | #else |
903 | #define at91_serial_suspend NULL | 903 | #define atmel_serial_suspend NULL |
904 | #define at91_serial_resume NULL | 904 | #define atmel_serial_resume NULL |
905 | #endif | 905 | #endif |
906 | 906 | ||
907 | static int __devinit at91_serial_probe(struct platform_device *pdev) | 907 | static int __devinit atmel_serial_probe(struct platform_device *pdev) |
908 | { | 908 | { |
909 | struct at91_uart_port *port; | 909 | struct atmel_uart_port *port; |
910 | int ret; | 910 | int ret; |
911 | 911 | ||
912 | port = &at91_ports[pdev->id]; | 912 | port = &atmel_ports[pdev->id]; |
913 | at91_init_port(port, pdev); | 913 | atmel_init_port(port, pdev); |
914 | 914 | ||
915 | ret = uart_add_one_port(&at91_uart, &port->uart); | 915 | ret = uart_add_one_port(&atmel_uart, &port->uart); |
916 | if (!ret) { | 916 | if (!ret) { |
917 | device_init_wakeup(&pdev->dev, 1); | 917 | device_init_wakeup(&pdev->dev, 1); |
918 | platform_set_drvdata(pdev, port); | 918 | platform_set_drvdata(pdev, port); |
@@ -921,61 +921,61 @@ static int __devinit at91_serial_probe(struct platform_device *pdev) | |||
921 | return ret; | 921 | return ret; |
922 | } | 922 | } |
923 | 923 | ||
924 | static int __devexit at91_serial_remove(struct platform_device *pdev) | 924 | static int __devexit atmel_serial_remove(struct platform_device *pdev) |
925 | { | 925 | { |
926 | struct uart_port *port = platform_get_drvdata(pdev); | 926 | struct uart_port *port = platform_get_drvdata(pdev); |
927 | struct at91_uart_port *at91_port = (struct at91_uart_port *) port; | 927 | struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; |
928 | int ret = 0; | 928 | int ret = 0; |
929 | 929 | ||
930 | clk_disable(at91_port->clk); | 930 | clk_disable(atmel_port->clk); |
931 | clk_put(at91_port->clk); | 931 | clk_put(atmel_port->clk); |
932 | 932 | ||
933 | device_init_wakeup(&pdev->dev, 0); | 933 | device_init_wakeup(&pdev->dev, 0); |
934 | platform_set_drvdata(pdev, NULL); | 934 | platform_set_drvdata(pdev, NULL); |
935 | 935 | ||
936 | if (port) { | 936 | if (port) { |
937 | ret = uart_remove_one_port(&at91_uart, port); | 937 | ret = uart_remove_one_port(&atmel_uart, port); |
938 | kfree(port); | 938 | kfree(port); |
939 | } | 939 | } |
940 | 940 | ||
941 | return ret; | 941 | return ret; |
942 | } | 942 | } |
943 | 943 | ||
944 | static struct platform_driver at91_serial_driver = { | 944 | static struct platform_driver atmel_serial_driver = { |
945 | .probe = at91_serial_probe, | 945 | .probe = atmel_serial_probe, |
946 | .remove = __devexit_p(at91_serial_remove), | 946 | .remove = __devexit_p(atmel_serial_remove), |
947 | .suspend = at91_serial_suspend, | 947 | .suspend = atmel_serial_suspend, |
948 | .resume = at91_serial_resume, | 948 | .resume = atmel_serial_resume, |
949 | .driver = { | 949 | .driver = { |
950 | .name = "atmel_usart", | 950 | .name = "atmel_usart", |
951 | .owner = THIS_MODULE, | 951 | .owner = THIS_MODULE, |
952 | }, | 952 | }, |
953 | }; | 953 | }; |
954 | 954 | ||
955 | static int __init at91_serial_init(void) | 955 | static int __init atmel_serial_init(void) |
956 | { | 956 | { |
957 | int ret; | 957 | int ret; |
958 | 958 | ||
959 | ret = uart_register_driver(&at91_uart); | 959 | ret = uart_register_driver(&atmel_uart); |
960 | if (ret) | 960 | if (ret) |
961 | return ret; | 961 | return ret; |
962 | 962 | ||
963 | ret = platform_driver_register(&at91_serial_driver); | 963 | ret = platform_driver_register(&atmel_serial_driver); |
964 | if (ret) | 964 | if (ret) |
965 | uart_unregister_driver(&at91_uart); | 965 | uart_unregister_driver(&atmel_uart); |
966 | 966 | ||
967 | return ret; | 967 | return ret; |
968 | } | 968 | } |
969 | 969 | ||
970 | static void __exit at91_serial_exit(void) | 970 | static void __exit atmel_serial_exit(void) |
971 | { | 971 | { |
972 | platform_driver_unregister(&at91_serial_driver); | 972 | platform_driver_unregister(&atmel_serial_driver); |
973 | uart_unregister_driver(&at91_uart); | 973 | uart_unregister_driver(&atmel_uart); |
974 | } | 974 | } |
975 | 975 | ||
976 | module_init(at91_serial_init); | 976 | module_init(atmel_serial_init); |
977 | module_exit(at91_serial_exit); | 977 | module_exit(atmel_serial_exit); |
978 | 978 | ||
979 | MODULE_AUTHOR("Rick Bronson"); | 979 | MODULE_AUTHOR("Rick Bronson"); |
980 | MODULE_DESCRIPTION("AT91 generic serial port driver"); | 980 | MODULE_DESCRIPTION("Atmel AT91 / AT32 serial port driver"); |
981 | MODULE_LICENSE("GPL"); | 981 | MODULE_LICENSE("GPL"); |
diff --git a/drivers/serial/atmel_serial.h b/drivers/serial/atmel_serial.h index d38b24a53375..eced2ad1a8d9 100644 --- a/drivers/serial/atmel_serial.h +++ b/drivers/serial/atmel_serial.h | |||
@@ -13,111 +13,111 @@ | |||
13 | * (at your option) any later version. | 13 | * (at your option) any later version. |
14 | */ | 14 | */ |
15 | 15 | ||
16 | #ifndef AT91RM9200_USART_H | 16 | #ifndef ATMEL_SERIAL_H |
17 | #define AT91RM9200_USART_H | 17 | #define ATMEL_SERIAL_H |
18 | 18 | ||
19 | #define AT91_US_CR 0x00 /* Control Register */ | 19 | #define ATMEL_US_CR 0x00 /* Control Register */ |
20 | #define AT91_US_RSTRX (1 << 2) /* Reset Receiver */ | 20 | #define ATMEL_US_RSTRX (1 << 2) /* Reset Receiver */ |
21 | #define AT91_US_RSTTX (1 << 3) /* Reset Transmitter */ | 21 | #define ATMEL_US_RSTTX (1 << 3) /* Reset Transmitter */ |
22 | #define AT91_US_RXEN (1 << 4) /* Receiver Enable */ | 22 | #define ATMEL_US_RXEN (1 << 4) /* Receiver Enable */ |
23 | #define AT91_US_RXDIS (1 << 5) /* Receiver Disable */ | 23 | #define ATMEL_US_RXDIS (1 << 5) /* Receiver Disable */ |
24 | #define AT91_US_TXEN (1 << 6) /* Transmitter Enable */ | 24 | #define ATMEL_US_TXEN (1 << 6) /* Transmitter Enable */ |
25 | #define AT91_US_TXDIS (1 << 7) /* Transmitter Disable */ | 25 | #define ATMEL_US_TXDIS (1 << 7) /* Transmitter Disable */ |
26 | #define AT91_US_RSTSTA (1 << 8) /* Reset Status Bits */ | 26 | #define ATMEL_US_RSTSTA (1 << 8) /* Reset Status Bits */ |
27 | #define AT91_US_STTBRK (1 << 9) /* Start Break */ | 27 | #define ATMEL_US_STTBRK (1 << 9) /* Start Break */ |
28 | #define AT91_US_STPBRK (1 << 10) /* Stop Break */ | 28 | #define ATMEL_US_STPBRK (1 << 10) /* Stop Break */ |
29 | #define AT91_US_STTTO (1 << 11) /* Start Time-out */ | 29 | #define ATMEL_US_STTTO (1 << 11) /* Start Time-out */ |
30 | #define AT91_US_SENDA (1 << 12) /* Send Address */ | 30 | #define ATMEL_US_SENDA (1 << 12) /* Send Address */ |
31 | #define AT91_US_RSTIT (1 << 13) /* Reset Iterations */ | 31 | #define ATMEL_US_RSTIT (1 << 13) /* Reset Iterations */ |
32 | #define AT91_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */ | 32 | #define ATMEL_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */ |
33 | #define AT91_US_RETTO (1 << 15) /* Rearm Time-out */ | 33 | #define ATMEL_US_RETTO (1 << 15) /* Rearm Time-out */ |
34 | #define AT91_US_DTREN (1 << 16) /* Data Terminal Ready Enable */ | 34 | #define ATMEL_US_DTREN (1 << 16) /* Data Terminal Ready Enable */ |
35 | #define AT91_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable */ | 35 | #define ATMEL_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable */ |
36 | #define AT91_US_RTSEN (1 << 18) /* Request To Send Enable */ | 36 | #define ATMEL_US_RTSEN (1 << 18) /* Request To Send Enable */ |
37 | #define AT91_US_RTSDIS (1 << 19) /* Request To Send Disable */ | 37 | #define ATMEL_US_RTSDIS (1 << 19) /* Request To Send Disable */ |
38 | 38 | ||
39 | #define AT91_US_MR 0x04 /* Mode Register */ | 39 | #define ATMEL_US_MR 0x04 /* Mode Register */ |
40 | #define AT91_US_USMODE (0xf << 0) /* Mode of the USART */ | 40 | #define ATMEL_US_USMODE (0xf << 0) /* Mode of the USART */ |
41 | #define AT91_US_USMODE_NORMAL 0 | 41 | #define ATMEL_US_USMODE_NORMAL 0 |
42 | #define AT91_US_USMODE_RS485 1 | 42 | #define ATMEL_US_USMODE_RS485 1 |
43 | #define AT91_US_USMODE_HWHS 2 | 43 | #define ATMEL_US_USMODE_HWHS 2 |
44 | #define AT91_US_USMODE_MODEM 3 | 44 | #define ATMEL_US_USMODE_MODEM 3 |
45 | #define AT91_US_USMODE_ISO7816_T0 4 | 45 | #define ATMEL_US_USMODE_ISO7816_T0 4 |
46 | #define AT91_US_USMODE_ISO7816_T1 6 | 46 | #define ATMEL_US_USMODE_ISO7816_T1 6 |
47 | #define AT91_US_USMODE_IRDA 8 | 47 | #define ATMEL_US_USMODE_IRDA 8 |
48 | #define AT91_US_USCLKS (3 << 4) /* Clock Selection */ | 48 | #define ATMEL_US_USCLKS (3 << 4) /* Clock Selection */ |
49 | #define AT91_US_CHRL (3 << 6) /* Character Length */ | 49 | #define ATMEL_US_CHRL (3 << 6) /* Character Length */ |
50 | #define AT91_US_CHRL_5 (0 << 6) | 50 | #define ATMEL_US_CHRL_5 (0 << 6) |
51 | #define AT91_US_CHRL_6 (1 << 6) | 51 | #define ATMEL_US_CHRL_6 (1 << 6) |
52 | #define AT91_US_CHRL_7 (2 << 6) | 52 | #define ATMEL_US_CHRL_7 (2 << 6) |
53 | #define AT91_US_CHRL_8 (3 << 6) | 53 | #define ATMEL_US_CHRL_8 (3 << 6) |
54 | #define AT91_US_SYNC (1 << 8) /* Synchronous Mode Select */ | 54 | #define ATMEL_US_SYNC (1 << 8) /* Synchronous Mode Select */ |
55 | #define AT91_US_PAR (7 << 9) /* Parity Type */ | 55 | #define ATMEL_US_PAR (7 << 9) /* Parity Type */ |
56 | #define AT91_US_PAR_EVEN (0 << 9) | 56 | #define ATMEL_US_PAR_EVEN (0 << 9) |
57 | #define AT91_US_PAR_ODD (1 << 9) | 57 | #define ATMEL_US_PAR_ODD (1 << 9) |
58 | #define AT91_US_PAR_SPACE (2 << 9) | 58 | #define ATMEL_US_PAR_SPACE (2 << 9) |
59 | #define AT91_US_PAR_MARK (3 << 9) | 59 | #define ATMEL_US_PAR_MARK (3 << 9) |
60 | #define AT91_US_PAR_NONE (4 << 9) | 60 | #define ATMEL_US_PAR_NONE (4 << 9) |
61 | #define AT91_US_PAR_MULTI_DROP (6 << 9) | 61 | #define ATMEL_US_PAR_MULTI_DROP (6 << 9) |
62 | #define AT91_US_NBSTOP (3 << 12) /* Number of Stop Bits */ | 62 | #define ATMEL_US_NBSTOP (3 << 12) /* Number of Stop Bits */ |
63 | #define AT91_US_NBSTOP_1 (0 << 12) | 63 | #define ATMEL_US_NBSTOP_1 (0 << 12) |
64 | #define AT91_US_NBSTOP_1_5 (1 << 12) | 64 | #define ATMEL_US_NBSTOP_1_5 (1 << 12) |
65 | #define AT91_US_NBSTOP_2 (2 << 12) | 65 | #define ATMEL_US_NBSTOP_2 (2 << 12) |
66 | #define AT91_US_CHMODE (3 << 14) /* Channel Mode */ | 66 | #define ATMEL_US_CHMODE (3 << 14) /* Channel Mode */ |
67 | #define AT91_US_CHMODE_NORMAL (0 << 14) | 67 | #define ATMEL_US_CHMODE_NORMAL (0 << 14) |
68 | #define AT91_US_CHMODE_ECHO (1 << 14) | 68 | #define ATMEL_US_CHMODE_ECHO (1 << 14) |
69 | #define AT91_US_CHMODE_LOC_LOOP (2 << 14) | 69 | #define ATMEL_US_CHMODE_LOC_LOOP (2 << 14) |
70 | #define AT91_US_CHMODE_REM_LOOP (3 << 14) | 70 | #define ATMEL_US_CHMODE_REM_LOOP (3 << 14) |
71 | #define AT91_US_MSBF (1 << 16) /* Bit Order */ | 71 | #define ATMEL_US_MSBF (1 << 16) /* Bit Order */ |
72 | #define AT91_US_MODE9 (1 << 17) /* 9-bit Character Length */ | 72 | #define ATMEL_US_MODE9 (1 << 17) /* 9-bit Character Length */ |
73 | #define AT91_US_CLKO (1 << 18) /* Clock Output Select */ | 73 | #define ATMEL_US_CLKO (1 << 18) /* Clock Output Select */ |
74 | #define AT91_US_OVER (1 << 19) /* Oversampling Mode */ | 74 | #define ATMEL_US_OVER (1 << 19) /* Oversampling Mode */ |
75 | #define AT91_US_INACK (1 << 20) /* Inhibit Non Acknowledge */ | 75 | #define ATMEL_US_INACK (1 << 20) /* Inhibit Non Acknowledge */ |
76 | #define AT91_US_DSNACK (1 << 21) /* Disable Successive NACK */ | 76 | #define ATMEL_US_DSNACK (1 << 21) /* Disable Successive NACK */ |
77 | #define AT91_US_MAX_ITER (7 << 24) /* Max Iterations */ | 77 | #define ATMEL_US_MAX_ITER (7 << 24) /* Max Iterations */ |
78 | #define AT91_US_FILTER (1 << 28) /* Infrared Receive Line Filter */ | 78 | #define ATMEL_US_FILTER (1 << 28) /* Infrared Receive Line Filter */ |
79 | 79 | ||
80 | #define AT91_US_IER 0x08 /* Interrupt Enable Register */ | 80 | #define ATMEL_US_IER 0x08 /* Interrupt Enable Register */ |
81 | #define AT91_US_RXRDY (1 << 0) /* Receiver Ready */ | 81 | #define ATMEL_US_RXRDY (1 << 0) /* Receiver Ready */ |
82 | #define AT91_US_TXRDY (1 << 1) /* Transmitter Ready */ | 82 | #define ATMEL_US_TXRDY (1 << 1) /* Transmitter Ready */ |
83 | #define AT91_US_RXBRK (1 << 2) /* Break Received / End of Break */ | 83 | #define ATMEL_US_RXBRK (1 << 2) /* Break Received / End of Break */ |
84 | #define AT91_US_ENDRX (1 << 3) /* End of Receiver Transfer */ | 84 | #define ATMEL_US_ENDRX (1 << 3) /* End of Receiver Transfer */ |
85 | #define AT91_US_ENDTX (1 << 4) /* End of Transmitter Transfer */ | 85 | #define ATMEL_US_ENDTX (1 << 4) /* End of Transmitter Transfer */ |
86 | #define AT91_US_OVRE (1 << 5) /* Overrun Error */ | 86 | #define ATMEL_US_OVRE (1 << 5) /* Overrun Error */ |
87 | #define AT91_US_FRAME (1 << 6) /* Framing Error */ | 87 | #define ATMEL_US_FRAME (1 << 6) /* Framing Error */ |
88 | #define AT91_US_PARE (1 << 7) /* Parity Error */ | 88 | #define ATMEL_US_PARE (1 << 7) /* Parity Error */ |
89 | #define AT91_US_TIMEOUT (1 << 8) /* Receiver Time-out */ | 89 | #define ATMEL_US_TIMEOUT (1 << 8) /* Receiver Time-out */ |
90 | #define AT91_US_TXEMPTY (1 << 9) /* Transmitter Empty */ | 90 | #define ATMEL_US_TXEMPTY (1 << 9) /* Transmitter Empty */ |
91 | #define AT91_US_ITERATION (1 << 10) /* Max number of Repetitions Reached */ | 91 | #define ATMEL_US_ITERATION (1 << 10) /* Max number of Repetitions Reached */ |
92 | #define AT91_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */ | 92 | #define ATMEL_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */ |
93 | #define AT91_US_RXBUFF (1 << 12) /* Reception Buffer Full */ | 93 | #define ATMEL_US_RXBUFF (1 << 12) /* Reception Buffer Full */ |
94 | #define AT91_US_NACK (1 << 13) /* Non Acknowledge */ | 94 | #define ATMEL_US_NACK (1 << 13) /* Non Acknowledge */ |
95 | #define AT91_US_RIIC (1 << 16) /* Ring Indicator Input Change */ | 95 | #define ATMEL_US_RIIC (1 << 16) /* Ring Indicator Input Change */ |
96 | #define AT91_US_DSRIC (1 << 17) /* Data Set Ready Input Change */ | 96 | #define ATMEL_US_DSRIC (1 << 17) /* Data Set Ready Input Change */ |
97 | #define AT91_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change */ | 97 | #define ATMEL_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change */ |
98 | #define AT91_US_CTSIC (1 << 19) /* Clear to Send Input Change */ | 98 | #define ATMEL_US_CTSIC (1 << 19) /* Clear to Send Input Change */ |
99 | #define AT91_US_RI (1 << 20) /* RI */ | 99 | #define ATMEL_US_RI (1 << 20) /* RI */ |
100 | #define AT91_US_DSR (1 << 21) /* DSR */ | 100 | #define ATMEL_US_DSR (1 << 21) /* DSR */ |
101 | #define AT91_US_DCD (1 << 22) /* DCD */ | 101 | #define ATMEL_US_DCD (1 << 22) /* DCD */ |
102 | #define AT91_US_CTS (1 << 23) /* CTS */ | 102 | #define ATMEL_US_CTS (1 << 23) /* CTS */ |
103 | 103 | ||
104 | #define AT91_US_IDR 0x0c /* Interrupt Disable Register */ | 104 | #define ATMEL_US_IDR 0x0c /* Interrupt Disable Register */ |
105 | #define AT91_US_IMR 0x10 /* Interrupt Mask Register */ | 105 | #define ATMEL_US_IMR 0x10 /* Interrupt Mask Register */ |
106 | #define AT91_US_CSR 0x14 /* Channel Status Register */ | 106 | #define ATMEL_US_CSR 0x14 /* Channel Status Register */ |
107 | #define AT91_US_RHR 0x18 /* Receiver Holding Register */ | 107 | #define ATMEL_US_RHR 0x18 /* Receiver Holding Register */ |
108 | #define AT91_US_THR 0x1c /* Transmitter Holding Register */ | 108 | #define ATMEL_US_THR 0x1c /* Transmitter Holding Register */ |
109 | 109 | ||
110 | #define AT91_US_BRGR 0x20 /* Baud Rate Generator Register */ | 110 | #define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */ |
111 | #define AT91_US_CD (0xffff << 0) /* Clock Divider */ | 111 | #define ATMEL_US_CD (0xffff << 0) /* Clock Divider */ |
112 | 112 | ||
113 | #define AT91_US_RTOR 0x24 /* Receiver Time-out Register */ | 113 | #define ATMEL_US_RTOR 0x24 /* Receiver Time-out Register */ |
114 | #define AT91_US_TO (0xffff << 0) /* Time-out Value */ | 114 | #define ATMEL_US_TO (0xffff << 0) /* Time-out Value */ |
115 | 115 | ||
116 | #define AT91_US_TTGR 0x28 /* Transmitter Timeguard Register */ | 116 | #define ATMEL_US_TTGR 0x28 /* Transmitter Timeguard Register */ |
117 | #define AT91_US_TG (0xff << 0) /* Timeguard Value */ | 117 | #define ATMEL_US_TG (0xff << 0) /* Timeguard Value */ |
118 | 118 | ||
119 | #define AT91_US_FIDI 0x40 /* FI DI Ratio Register */ | 119 | #define ATMEL_US_FIDI 0x40 /* FI DI Ratio Register */ |
120 | #define AT91_US_NER 0x44 /* Number of Errors Register */ | 120 | #define ATMEL_US_NER 0x44 /* Number of Errors Register */ |
121 | #define AT91_US_IF 0x4c /* IrDA Filter Register */ | 121 | #define ATMEL_US_IF 0x4c /* IrDA Filter Register */ |
122 | 122 | ||
123 | #endif | 123 | #endif |