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02bee89e EV |
1 | /* |
2 | * drivers/media/radio/si4713-i2c.c | |
3 | * | |
4 | * Silicon Labs Si4713 FM Radio Transmitter I2C commands. | |
5 | * | |
6 | * Copyright (c) 2009 Nokia Corporation | |
7 | * Contact: Eduardo Valentin <eduardo.valentin@nokia.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | ||
02bee89e EV |
24 | #include <linux/completion.h> |
25 | #include <linux/delay.h> | |
d4471dec | 26 | #include <linux/err.h> |
02bee89e EV |
27 | #include <linux/interrupt.h> |
28 | #include <linux/i2c.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
00df055a | 30 | #include <linux/gpio.h> |
7a707b89 | 31 | #include <linux/module.h> |
02bee89e EV |
32 | #include <media/v4l2-device.h> |
33 | #include <media/v4l2-ioctl.h> | |
34 | #include <media/v4l2-common.h> | |
35 | ||
7391232e | 36 | #include "si4713.h" |
02bee89e EV |
37 | |
38 | /* module parameters */ | |
39 | static int debug; | |
40 | module_param(debug, int, S_IRUGO | S_IWUSR); | |
41 | MODULE_PARM_DESC(debug, "Debug level (0 - 2)"); | |
42 | ||
43 | MODULE_LICENSE("GPL"); | |
44 | MODULE_AUTHOR("Eduardo Valentin <eduardo.valentin@nokia.com>"); | |
45 | MODULE_DESCRIPTION("I2C driver for Si4713 FM Radio Transmitter"); | |
46 | MODULE_VERSION("0.0.1"); | |
47 | ||
48 | #define DEFAULT_RDS_PI 0x00 | |
49 | #define DEFAULT_RDS_PTY 0x00 | |
02bee89e EV |
50 | #define DEFAULT_RDS_DEVIATION 0x00C8 |
51 | #define DEFAULT_RDS_PS_REPEAT_COUNT 0x0003 | |
52 | #define DEFAULT_LIMITER_RTIME 0x1392 | |
53 | #define DEFAULT_LIMITER_DEV 0x102CA | |
9ca33ccd | 54 | #define DEFAULT_PILOT_FREQUENCY 0x4A38 |
02bee89e EV |
55 | #define DEFAULT_PILOT_DEVIATION 0x1A5E |
56 | #define DEFAULT_ACOMP_ATIME 0x0000 | |
57 | #define DEFAULT_ACOMP_RTIME 0xF4240L | |
58 | #define DEFAULT_ACOMP_GAIN 0x0F | |
9ca33ccd | 59 | #define DEFAULT_ACOMP_THRESHOLD (-0x28) |
02bee89e EV |
60 | #define DEFAULT_MUTE 0x01 |
61 | #define DEFAULT_POWER_LEVEL 88 | |
62 | #define DEFAULT_FREQUENCY 8800 | |
63 | #define DEFAULT_PREEMPHASIS FMPE_EU | |
64 | #define DEFAULT_TUNE_RNL 0xFF | |
65 | ||
66 | #define to_si4713_device(sd) container_of(sd, struct si4713_device, sd) | |
67 | ||
68 | /* frequency domain transformation (using times 10 to avoid floats) */ | |
69 | #define FREQDEV_UNIT 100000 | |
70 | #define FREQV4L2_MULTI 625 | |
71 | #define si4713_to_v4l2(f) ((f * FREQDEV_UNIT) / FREQV4L2_MULTI) | |
72 | #define v4l2_to_si4713(f) ((f * FREQV4L2_MULTI) / FREQDEV_UNIT) | |
73 | #define FREQ_RANGE_LOW 7600 | |
74 | #define FREQ_RANGE_HIGH 10800 | |
75 | ||
76 | #define MAX_ARGS 7 | |
77 | ||
78 | #define RDS_BLOCK 8 | |
79 | #define RDS_BLOCK_CLEAR 0x03 | |
80 | #define RDS_BLOCK_LOAD 0x04 | |
81 | #define RDS_RADIOTEXT_2A 0x20 | |
82 | #define RDS_RADIOTEXT_BLK_SIZE 4 | |
83 | #define RDS_RADIOTEXT_INDEX_MAX 0x0F | |
84 | #define RDS_CARRIAGE_RETURN 0x0D | |
85 | ||
86 | #define rds_ps_nblocks(len) ((len / RDS_BLOCK) + (len % RDS_BLOCK ? 1 : 0)) | |
87 | ||
88 | #define get_status_bit(p, b, m) (((p) & (m)) >> (b)) | |
89 | #define set_bits(p, v, b, m) (((p) & ~(m)) | ((v) << (b))) | |
90 | ||
91 | #define ATTACK_TIME_UNIT 500 | |
92 | ||
93 | #define POWER_OFF 0x00 | |
94 | #define POWER_ON 0x01 | |
95 | ||
96 | #define msb(x) ((u8)((u16) x >> 8)) | |
97 | #define lsb(x) ((u8)((u16) x & 0x00FF)) | |
98 | #define compose_u16(msb, lsb) (((u16)msb << 8) | lsb) | |
99 | #define check_command_failed(status) (!(status & SI4713_CTS) || \ | |
100 | (status & SI4713_ERR)) | |
101 | /* mute definition */ | |
102 | #define set_mute(p) ((p & 1) | ((p & 1) << 1)); | |
02bee89e EV |
103 | |
104 | #ifdef DEBUG | |
105 | #define DBG_BUFFER(device, message, buffer, size) \ | |
106 | { \ | |
107 | int i; \ | |
108 | char str[(size)*5]; \ | |
109 | for (i = 0; i < size; i++) \ | |
110 | sprintf(str + i * 5, " 0x%02x", buffer[i]); \ | |
111 | v4l2_dbg(2, debug, device, "%s:%s\n", message, str); \ | |
112 | } | |
113 | #else | |
114 | #define DBG_BUFFER(device, message, buffer, size) | |
115 | #endif | |
116 | ||
117 | /* | |
118 | * Values for limiter release time (sorted by second column) | |
119 | * device release | |
120 | * value time (us) | |
121 | */ | |
122 | static long limiter_times[] = { | |
123 | 2000, 250, | |
124 | 1000, 500, | |
125 | 510, 1000, | |
126 | 255, 2000, | |
127 | 170, 3000, | |
128 | 127, 4020, | |
129 | 102, 5010, | |
130 | 85, 6020, | |
131 | 73, 7010, | |
132 | 64, 7990, | |
133 | 57, 8970, | |
134 | 51, 10030, | |
135 | 25, 20470, | |
136 | 17, 30110, | |
137 | 13, 39380, | |
138 | 10, 51190, | |
139 | 8, 63690, | |
140 | 7, 73140, | |
141 | 6, 85330, | |
142 | 5, 102390, | |
143 | }; | |
144 | ||
145 | /* | |
146 | * Values for audio compression release time (sorted by second column) | |
147 | * device release | |
148 | * value time (us) | |
149 | */ | |
150 | static unsigned long acomp_rtimes[] = { | |
151 | 0, 100000, | |
152 | 1, 200000, | |
153 | 2, 350000, | |
154 | 3, 525000, | |
155 | 4, 1000000, | |
156 | }; | |
157 | ||
158 | /* | |
159 | * Values for preemphasis (sorted by second column) | |
160 | * device preemphasis | |
161 | * value value (v4l2) | |
162 | */ | |
163 | static unsigned long preemphasis_values[] = { | |
164 | FMPE_DISABLED, V4L2_PREEMPHASIS_DISABLED, | |
165 | FMPE_EU, V4L2_PREEMPHASIS_50_uS, | |
166 | FMPE_USA, V4L2_PREEMPHASIS_75_uS, | |
167 | }; | |
168 | ||
169 | static int usecs_to_dev(unsigned long usecs, unsigned long const array[], | |
170 | int size) | |
171 | { | |
172 | int i; | |
173 | int rval = -EINVAL; | |
174 | ||
175 | for (i = 0; i < size / 2; i++) | |
176 | if (array[(i * 2) + 1] >= usecs) { | |
177 | rval = array[i * 2]; | |
178 | break; | |
179 | } | |
180 | ||
181 | return rval; | |
182 | } | |
183 | ||
02bee89e EV |
184 | /* si4713_handler: IRQ handler, just complete work */ |
185 | static irqreturn_t si4713_handler(int irq, void *dev) | |
186 | { | |
187 | struct si4713_device *sdev = dev; | |
188 | ||
189 | v4l2_dbg(2, debug, &sdev->sd, | |
190 | "%s: sending signal to completion work.\n", __func__); | |
191 | complete(&sdev->work); | |
192 | ||
193 | return IRQ_HANDLED; | |
194 | } | |
195 | ||
196 | /* | |
197 | * si4713_send_command - sends a command to si4713 and waits its response | |
198 | * @sdev: si4713_device structure for the device we are communicating | |
199 | * @command: command id | |
200 | * @args: command arguments we are sending (up to 7) | |
201 | * @argn: actual size of @args | |
202 | * @response: buffer to place the expected response from the device (up to 15) | |
203 | * @respn: actual size of @response | |
204 | * @usecs: amount of time to wait before reading the response (in usecs) | |
205 | */ | |
206 | static int si4713_send_command(struct si4713_device *sdev, const u8 command, | |
207 | const u8 args[], const int argn, | |
208 | u8 response[], const int respn, const int usecs) | |
209 | { | |
210 | struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd); | |
5173332c | 211 | unsigned long until_jiffies; |
02bee89e EV |
212 | u8 data1[MAX_ARGS + 1]; |
213 | int err; | |
214 | ||
215 | if (!client->adapter) | |
216 | return -ENODEV; | |
217 | ||
218 | /* First send the command and its arguments */ | |
219 | data1[0] = command; | |
220 | memcpy(data1 + 1, args, argn); | |
221 | DBG_BUFFER(&sdev->sd, "Parameters", data1, argn + 1); | |
222 | ||
223 | err = i2c_master_send(client, data1, argn + 1); | |
224 | if (err != argn + 1) { | |
225 | v4l2_err(&sdev->sd, "Error while sending command 0x%02x\n", | |
226 | command); | |
5173332c | 227 | return err < 0 ? err : -EIO; |
02bee89e EV |
228 | } |
229 | ||
5173332c DR |
230 | until_jiffies = jiffies + usecs_to_jiffies(usecs) + 1; |
231 | ||
02bee89e | 232 | /* Wait response from interrupt */ |
5173332c DR |
233 | if (client->irq) { |
234 | if (!wait_for_completion_timeout(&sdev->work, | |
02bee89e | 235 | usecs_to_jiffies(usecs) + 1)) |
5173332c | 236 | v4l2_warn(&sdev->sd, |
02bee89e EV |
237 | "(%s) Device took too much time to answer.\n", |
238 | __func__); | |
02bee89e EV |
239 | } |
240 | ||
5173332c DR |
241 | do { |
242 | err = i2c_master_recv(client, response, respn); | |
243 | if (err != respn) { | |
244 | v4l2_err(&sdev->sd, | |
245 | "Error %d while reading response for command 0x%02x\n", | |
246 | err, command); | |
247 | return err < 0 ? err : -EIO; | |
248 | } | |
02bee89e | 249 | |
5173332c DR |
250 | DBG_BUFFER(&sdev->sd, "Response", response, respn); |
251 | if (!check_command_failed(response[0])) | |
252 | return 0; | |
253 | ||
254 | if (client->irq) | |
255 | return -EBUSY; | |
cb15da36 HV |
256 | if (usecs <= 1000) |
257 | usleep_range(usecs, 1000); | |
258 | else | |
259 | usleep_range(1000, 2000); | |
260 | } while (time_is_after_jiffies(until_jiffies)); | |
5173332c DR |
261 | |
262 | return -EBUSY; | |
02bee89e EV |
263 | } |
264 | ||
265 | /* | |
266 | * si4713_read_property - reads a si4713 property | |
267 | * @sdev: si4713_device structure for the device we are communicating | |
268 | * @prop: property identification number | |
269 | * @pv: property value to be returned on success | |
270 | */ | |
271 | static int si4713_read_property(struct si4713_device *sdev, u16 prop, u32 *pv) | |
272 | { | |
273 | int err; | |
274 | u8 val[SI4713_GET_PROP_NRESP]; | |
275 | /* | |
9ca33ccd HV |
276 | * .First byte = 0 |
277 | * .Second byte = property's MSB | |
278 | * .Third byte = property's LSB | |
02bee89e EV |
279 | */ |
280 | const u8 args[SI4713_GET_PROP_NARGS] = { | |
281 | 0x00, | |
282 | msb(prop), | |
283 | lsb(prop), | |
284 | }; | |
285 | ||
286 | err = si4713_send_command(sdev, SI4713_CMD_GET_PROPERTY, | |
287 | args, ARRAY_SIZE(args), val, | |
288 | ARRAY_SIZE(val), DEFAULT_TIMEOUT); | |
289 | ||
290 | if (err < 0) | |
291 | return err; | |
292 | ||
293 | *pv = compose_u16(val[2], val[3]); | |
294 | ||
295 | v4l2_dbg(1, debug, &sdev->sd, | |
296 | "%s: property=0x%02x value=0x%02x status=0x%02x\n", | |
297 | __func__, prop, *pv, val[0]); | |
298 | ||
299 | return err; | |
300 | } | |
301 | ||
302 | /* | |
303 | * si4713_write_property - modifies a si4713 property | |
304 | * @sdev: si4713_device structure for the device we are communicating | |
305 | * @prop: property identification number | |
306 | * @val: new value for that property | |
307 | */ | |
308 | static int si4713_write_property(struct si4713_device *sdev, u16 prop, u16 val) | |
309 | { | |
310 | int rval; | |
311 | u8 resp[SI4713_SET_PROP_NRESP]; | |
312 | /* | |
9ca33ccd HV |
313 | * .First byte = 0 |
314 | * .Second byte = property's MSB | |
315 | * .Third byte = property's LSB | |
316 | * .Fourth byte = value's MSB | |
317 | * .Fifth byte = value's LSB | |
02bee89e EV |
318 | */ |
319 | const u8 args[SI4713_SET_PROP_NARGS] = { | |
320 | 0x00, | |
321 | msb(prop), | |
322 | lsb(prop), | |
323 | msb(val), | |
324 | lsb(val), | |
325 | }; | |
326 | ||
327 | rval = si4713_send_command(sdev, SI4713_CMD_SET_PROPERTY, | |
328 | args, ARRAY_SIZE(args), | |
329 | resp, ARRAY_SIZE(resp), | |
330 | DEFAULT_TIMEOUT); | |
331 | ||
332 | if (rval < 0) | |
333 | return rval; | |
334 | ||
335 | v4l2_dbg(1, debug, &sdev->sd, | |
336 | "%s: property=0x%02x value=0x%02x status=0x%02x\n", | |
337 | __func__, prop, val, resp[0]); | |
338 | ||
339 | /* | |
340 | * As there is no command response for SET_PROPERTY, | |
341 | * wait Tcomp time to finish before proceed, in order | |
342 | * to have property properly set. | |
343 | */ | |
344 | msleep(TIMEOUT_SET_PROPERTY); | |
345 | ||
346 | return rval; | |
347 | } | |
348 | ||
349 | /* | |
350 | * si4713_powerup - Powers the device up | |
351 | * @sdev: si4713_device structure for the device we are communicating | |
352 | */ | |
353 | static int si4713_powerup(struct si4713_device *sdev) | |
354 | { | |
5173332c | 355 | struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd); |
02bee89e EV |
356 | int err; |
357 | u8 resp[SI4713_PWUP_NRESP]; | |
358 | /* | |
9ca33ccd HV |
359 | * .First byte = Enabled interrupts and boot function |
360 | * .Second byte = Input operation mode | |
02bee89e | 361 | */ |
5173332c DR |
362 | u8 args[SI4713_PWUP_NARGS] = { |
363 | SI4713_PWUP_GPO2OEN | SI4713_PWUP_FUNC_TX, | |
02bee89e EV |
364 | SI4713_PWUP_OPMOD_ANALOG, |
365 | }; | |
366 | ||
367 | if (sdev->power_state) | |
368 | return 0; | |
369 | ||
d4471dec SR |
370 | if (sdev->vdd) { |
371 | err = regulator_enable(sdev->vdd); | |
cc6d618f | 372 | if (err) { |
d4471dec | 373 | v4l2_err(&sdev->sd, "Failed to enable vdd: %d\n", err); |
cc6d618f DR |
374 | return err; |
375 | } | |
00df055a | 376 | } |
d4471dec SR |
377 | |
378 | if (sdev->vio) { | |
379 | err = regulator_enable(sdev->vio); | |
380 | if (err) { | |
381 | v4l2_err(&sdev->sd, "Failed to enable vio: %d\n", err); | |
382 | return err; | |
383 | } | |
384 | } | |
385 | ||
b36ae853 | 386 | if (sdev->gpio_reset) { |
00df055a | 387 | udelay(50); |
fbe14a12 | 388 | gpiod_set_value(sdev->gpio_reset, 1); |
00df055a JN |
389 | } |
390 | ||
5173332c DR |
391 | if (client->irq) |
392 | args[0] |= SI4713_PWUP_CTSIEN; | |
393 | ||
02bee89e EV |
394 | err = si4713_send_command(sdev, SI4713_CMD_POWER_UP, |
395 | args, ARRAY_SIZE(args), | |
396 | resp, ARRAY_SIZE(resp), | |
397 | TIMEOUT_POWER_UP); | |
398 | ||
399 | if (!err) { | |
400 | v4l2_dbg(1, debug, &sdev->sd, "Powerup response: 0x%02x\n", | |
401 | resp[0]); | |
402 | v4l2_dbg(1, debug, &sdev->sd, "Device in power up mode\n"); | |
403 | sdev->power_state = POWER_ON; | |
404 | ||
5173332c DR |
405 | if (client->irq) |
406 | err = si4713_write_property(sdev, SI4713_GPO_IEN, | |
02bee89e | 407 | SI4713_STC_INT | SI4713_CTS); |
cc6d618f DR |
408 | return err; |
409 | } | |
b36ae853 | 410 | gpiod_set_value(sdev->gpio_reset, 0); |
d4471dec SR |
411 | |
412 | ||
413 | if (sdev->vdd) { | |
414 | err = regulator_disable(sdev->vdd); | |
00df055a | 415 | if (err) |
d4471dec SR |
416 | v4l2_err(&sdev->sd, "Failed to disable vdd: %d\n", err); |
417 | } | |
418 | ||
419 | if (sdev->vio) { | |
420 | err = regulator_disable(sdev->vio); | |
421 | if (err) | |
422 | v4l2_err(&sdev->sd, "Failed to disable vio: %d\n", err); | |
02bee89e EV |
423 | } |
424 | ||
425 | return err; | |
426 | } | |
427 | ||
428 | /* | |
429 | * si4713_powerdown - Powers the device down | |
430 | * @sdev: si4713_device structure for the device we are communicating | |
431 | */ | |
432 | static int si4713_powerdown(struct si4713_device *sdev) | |
433 | { | |
434 | int err; | |
435 | u8 resp[SI4713_PWDN_NRESP]; | |
436 | ||
437 | if (!sdev->power_state) | |
438 | return 0; | |
439 | ||
440 | err = si4713_send_command(sdev, SI4713_CMD_POWER_DOWN, | |
441 | NULL, 0, | |
442 | resp, ARRAY_SIZE(resp), | |
443 | DEFAULT_TIMEOUT); | |
444 | ||
445 | if (!err) { | |
446 | v4l2_dbg(1, debug, &sdev->sd, "Power down response: 0x%02x\n", | |
447 | resp[0]); | |
448 | v4l2_dbg(1, debug, &sdev->sd, "Device in reset mode\n"); | |
b36ae853 | 449 | if (sdev->gpio_reset) |
fbe14a12 | 450 | gpiod_set_value(sdev->gpio_reset, 0); |
d4471dec SR |
451 | |
452 | if (sdev->vdd) { | |
453 | err = regulator_disable(sdev->vdd); | |
454 | if (err) { | |
cc6d618f | 455 | v4l2_err(&sdev->sd, |
d4471dec SR |
456 | "Failed to disable vdd: %d\n", err); |
457 | } | |
458 | } | |
459 | ||
460 | if (sdev->vio) { | |
461 | err = regulator_disable(sdev->vio); | |
462 | if (err) { | |
463 | v4l2_err(&sdev->sd, | |
464 | "Failed to disable vio: %d\n", err); | |
465 | } | |
cc6d618f | 466 | } |
02bee89e EV |
467 | sdev->power_state = POWER_OFF; |
468 | } | |
469 | ||
470 | return err; | |
471 | } | |
472 | ||
473 | /* | |
474 | * si4713_checkrev - Checks if we are treating a device with the correct rev. | |
475 | * @sdev: si4713_device structure for the device we are communicating | |
476 | */ | |
477 | static int si4713_checkrev(struct si4713_device *sdev) | |
478 | { | |
479 | struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd); | |
480 | int rval; | |
481 | u8 resp[SI4713_GETREV_NRESP]; | |
482 | ||
02bee89e EV |
483 | rval = si4713_send_command(sdev, SI4713_CMD_GET_REV, |
484 | NULL, 0, | |
485 | resp, ARRAY_SIZE(resp), | |
486 | DEFAULT_TIMEOUT); | |
487 | ||
488 | if (rval < 0) | |
55b2a312 | 489 | return rval; |
02bee89e EV |
490 | |
491 | if (resp[1] == SI4713_PRODUCT_NUMBER) { | |
492 | v4l2_info(&sdev->sd, "chip found @ 0x%02x (%s)\n", | |
493 | client->addr << 1, client->adapter->name); | |
494 | } else { | |
b2c6eedb | 495 | v4l2_err(&sdev->sd, "Invalid product number 0x%X\n", resp[1]); |
02bee89e EV |
496 | rval = -EINVAL; |
497 | } | |
02bee89e EV |
498 | return rval; |
499 | } | |
500 | ||
501 | /* | |
25985edc | 502 | * si4713_wait_stc - Waits STC interrupt and clears status bits. Useful |
02bee89e EV |
503 | * for TX_TUNE_POWER, TX_TUNE_FREQ and TX_TUNE_MEAS |
504 | * @sdev: si4713_device structure for the device we are communicating | |
505 | * @usecs: timeout to wait for STC interrupt signal | |
506 | */ | |
507 | static int si4713_wait_stc(struct si4713_device *sdev, const int usecs) | |
508 | { | |
5173332c | 509 | struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd); |
02bee89e | 510 | u8 resp[SI4713_GET_STATUS_NRESP]; |
5173332c DR |
511 | unsigned long start_jiffies = jiffies; |
512 | int err; | |
02bee89e | 513 | |
5173332c DR |
514 | if (client->irq && |
515 | !wait_for_completion_timeout(&sdev->work, usecs_to_jiffies(usecs) + 1)) | |
02bee89e | 516 | v4l2_warn(&sdev->sd, |
5173332c DR |
517 | "(%s) Device took too much time to answer.\n", __func__); |
518 | ||
519 | for (;;) { | |
520 | /* Clear status bits */ | |
521 | err = si4713_send_command(sdev, SI4713_CMD_GET_INT_STATUS, | |
522 | NULL, 0, | |
523 | resp, ARRAY_SIZE(resp), | |
524 | DEFAULT_TIMEOUT); | |
525 | /* The USB device returns errors when it waits for the | |
526 | * STC bit to be set. Hence polling */ | |
527 | if (err >= 0) { | |
528 | v4l2_dbg(1, debug, &sdev->sd, | |
529 | "%s: status bits: 0x%02x\n", __func__, resp[0]); | |
530 | ||
531 | if (resp[0] & SI4713_STC_INT) | |
532 | return 0; | |
533 | } | |
534 | if (jiffies_to_usecs(jiffies - start_jiffies) > usecs) | |
535 | return err < 0 ? err : -EIO; | |
cb15da36 | 536 | /* We sleep here for 3-4 ms in order to avoid flooding the device |
5173332c DR |
537 | * with USB requests. The si4713 USB driver was developed |
538 | * by reverse engineering the Windows USB driver. The windows | |
539 | * driver also has a ~2.5 ms delay between responses. */ | |
cb15da36 | 540 | usleep_range(3000, 4000); |
5173332c | 541 | } |
02bee89e EV |
542 | } |
543 | ||
544 | /* | |
545 | * si4713_tx_tune_freq - Sets the state of the RF carrier and sets the tuning | |
9ca33ccd HV |
546 | * frequency between 76 and 108 MHz in 10 kHz units and |
547 | * steps of 50 kHz. | |
02bee89e EV |
548 | * @sdev: si4713_device structure for the device we are communicating |
549 | * @frequency: desired frequency (76 - 108 MHz, unit 10 KHz, step 50 kHz) | |
550 | */ | |
551 | static int si4713_tx_tune_freq(struct si4713_device *sdev, u16 frequency) | |
552 | { | |
553 | int err; | |
554 | u8 val[SI4713_TXFREQ_NRESP]; | |
555 | /* | |
9ca33ccd HV |
556 | * .First byte = 0 |
557 | * .Second byte = frequency's MSB | |
558 | * .Third byte = frequency's LSB | |
02bee89e EV |
559 | */ |
560 | const u8 args[SI4713_TXFREQ_NARGS] = { | |
561 | 0x00, | |
562 | msb(frequency), | |
563 | lsb(frequency), | |
564 | }; | |
565 | ||
566 | err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_FREQ, | |
567 | args, ARRAY_SIZE(args), val, | |
568 | ARRAY_SIZE(val), DEFAULT_TIMEOUT); | |
569 | ||
570 | if (err < 0) | |
571 | return err; | |
572 | ||
573 | v4l2_dbg(1, debug, &sdev->sd, | |
574 | "%s: frequency=0x%02x status=0x%02x\n", __func__, | |
575 | frequency, val[0]); | |
576 | ||
577 | err = si4713_wait_stc(sdev, TIMEOUT_TX_TUNE); | |
578 | if (err < 0) | |
579 | return err; | |
580 | ||
581 | return compose_u16(args[1], args[2]); | |
582 | } | |
583 | ||
584 | /* | |
e26fa6dc | 585 | * si4713_tx_tune_power - Sets the RF voltage level between 88 and 120 dBuV in |
9ca33ccd HV |
586 | * 1 dB units. A value of 0x00 indicates off. The command |
587 | * also sets the antenna tuning capacitance. A value of 0 | |
588 | * indicates autotuning, and a value of 1 - 191 indicates | |
589 | * a manual override, which results in a tuning | |
590 | * capacitance of 0.25 pF x @antcap. | |
02bee89e | 591 | * @sdev: si4713_device structure for the device we are communicating |
e26fa6dc | 592 | * @power: tuning power (88 - 120 dBuV, unit/step 1 dB) |
02bee89e EV |
593 | * @antcap: value of antenna tuning capacitor (0 - 191) |
594 | */ | |
595 | static int si4713_tx_tune_power(struct si4713_device *sdev, u8 power, | |
596 | u8 antcap) | |
597 | { | |
598 | int err; | |
599 | u8 val[SI4713_TXPWR_NRESP]; | |
600 | /* | |
9ca33ccd HV |
601 | * .First byte = 0 |
602 | * .Second byte = 0 | |
603 | * .Third byte = power | |
604 | * .Fourth byte = antcap | |
02bee89e | 605 | */ |
e26fa6dc | 606 | u8 args[SI4713_TXPWR_NARGS] = { |
02bee89e EV |
607 | 0x00, |
608 | 0x00, | |
609 | power, | |
610 | antcap, | |
611 | }; | |
612 | ||
e26fa6dc DR |
613 | /* Map power values 1-87 to MIN_POWER (88) */ |
614 | if (power > 0 && power < SI4713_MIN_POWER) | |
615 | args[2] = power = SI4713_MIN_POWER; | |
02bee89e EV |
616 | |
617 | err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_POWER, | |
618 | args, ARRAY_SIZE(args), val, | |
619 | ARRAY_SIZE(val), DEFAULT_TIMEOUT); | |
620 | ||
621 | if (err < 0) | |
622 | return err; | |
623 | ||
624 | v4l2_dbg(1, debug, &sdev->sd, | |
625 | "%s: power=0x%02x antcap=0x%02x status=0x%02x\n", | |
626 | __func__, power, antcap, val[0]); | |
627 | ||
628 | return si4713_wait_stc(sdev, TIMEOUT_TX_TUNE_POWER); | |
629 | } | |
630 | ||
631 | /* | |
632 | * si4713_tx_tune_measure - Enters receive mode and measures the received noise | |
9ca33ccd HV |
633 | * level in units of dBuV on the selected frequency. |
634 | * The Frequency must be between 76 and 108 MHz in 10 kHz | |
635 | * units and steps of 50 kHz. The command also sets the | |
636 | * antenna tuning capacitance. A value of 0 means | |
637 | * autotuning, and a value of 1 to 191 indicates manual | |
638 | * override. | |
02bee89e EV |
639 | * @sdev: si4713_device structure for the device we are communicating |
640 | * @frequency: desired frequency (76 - 108 MHz, unit 10 KHz, step 50 kHz) | |
641 | * @antcap: value of antenna tuning capacitor (0 - 191) | |
642 | */ | |
643 | static int si4713_tx_tune_measure(struct si4713_device *sdev, u16 frequency, | |
644 | u8 antcap) | |
645 | { | |
646 | int err; | |
647 | u8 val[SI4713_TXMEA_NRESP]; | |
648 | /* | |
9ca33ccd HV |
649 | * .First byte = 0 |
650 | * .Second byte = frequency's MSB | |
651 | * .Third byte = frequency's LSB | |
652 | * .Fourth byte = antcap | |
02bee89e EV |
653 | */ |
654 | const u8 args[SI4713_TXMEA_NARGS] = { | |
655 | 0x00, | |
656 | msb(frequency), | |
657 | lsb(frequency), | |
658 | antcap, | |
659 | }; | |
660 | ||
661 | sdev->tune_rnl = DEFAULT_TUNE_RNL; | |
662 | ||
663 | if (antcap > SI4713_MAX_ANTCAP) | |
664 | return -EDOM; | |
665 | ||
666 | err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_MEASURE, | |
667 | args, ARRAY_SIZE(args), val, | |
668 | ARRAY_SIZE(val), DEFAULT_TIMEOUT); | |
669 | ||
670 | if (err < 0) | |
671 | return err; | |
672 | ||
673 | v4l2_dbg(1, debug, &sdev->sd, | |
674 | "%s: frequency=0x%02x antcap=0x%02x status=0x%02x\n", | |
675 | __func__, frequency, antcap, val[0]); | |
676 | ||
677 | return si4713_wait_stc(sdev, TIMEOUT_TX_TUNE); | |
678 | } | |
679 | ||
680 | /* | |
681 | * si4713_tx_tune_status- Returns the status of the tx_tune_freq, tx_tune_mea or | |
9ca33ccd HV |
682 | * tx_tune_power commands. This command return the current |
683 | * frequency, output voltage in dBuV, the antenna tunning | |
684 | * capacitance value and the received noise level. The | |
685 | * command also clears the stcint interrupt bit when the | |
686 | * first bit of its arguments is high. | |
02bee89e EV |
687 | * @sdev: si4713_device structure for the device we are communicating |
688 | * @intack: 0x01 to clear the seek/tune complete interrupt status indicator. | |
689 | * @frequency: returned frequency | |
690 | * @power: returned power | |
691 | * @antcap: returned antenna capacitance | |
692 | * @noise: returned noise level | |
693 | */ | |
694 | static int si4713_tx_tune_status(struct si4713_device *sdev, u8 intack, | |
695 | u16 *frequency, u8 *power, | |
696 | u8 *antcap, u8 *noise) | |
697 | { | |
698 | int err; | |
699 | u8 val[SI4713_TXSTATUS_NRESP]; | |
700 | /* | |
9ca33ccd | 701 | * .First byte = intack bit |
02bee89e EV |
702 | */ |
703 | const u8 args[SI4713_TXSTATUS_NARGS] = { | |
704 | intack & SI4713_INTACK_MASK, | |
705 | }; | |
706 | ||
707 | err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_STATUS, | |
708 | args, ARRAY_SIZE(args), val, | |
709 | ARRAY_SIZE(val), DEFAULT_TIMEOUT); | |
710 | ||
711 | if (!err) { | |
712 | v4l2_dbg(1, debug, &sdev->sd, | |
713 | "%s: status=0x%02x\n", __func__, val[0]); | |
714 | *frequency = compose_u16(val[2], val[3]); | |
715 | sdev->frequency = *frequency; | |
716 | *power = val[5]; | |
717 | *antcap = val[6]; | |
718 | *noise = val[7]; | |
719 | v4l2_dbg(1, debug, &sdev->sd, "%s: response: %d x 10 kHz " | |
720 | "(power %d, antcap %d, rnl %d)\n", __func__, | |
721 | *frequency, *power, *antcap, *noise); | |
722 | } | |
723 | ||
724 | return err; | |
725 | } | |
726 | ||
727 | /* | |
728 | * si4713_tx_rds_buff - Loads the RDS group buffer FIFO or circular buffer. | |
729 | * @sdev: si4713_device structure for the device we are communicating | |
730 | * @mode: the buffer operation mode. | |
731 | * @rdsb: RDS Block B | |
732 | * @rdsc: RDS Block C | |
733 | * @rdsd: RDS Block D | |
734 | * @cbleft: returns the number of available circular buffer blocks minus the | |
735 | * number of used circular buffer blocks. | |
736 | */ | |
737 | static int si4713_tx_rds_buff(struct si4713_device *sdev, u8 mode, u16 rdsb, | |
738 | u16 rdsc, u16 rdsd, s8 *cbleft) | |
739 | { | |
740 | int err; | |
741 | u8 val[SI4713_RDSBUFF_NRESP]; | |
742 | ||
743 | const u8 args[SI4713_RDSBUFF_NARGS] = { | |
744 | mode & SI4713_RDSBUFF_MODE_MASK, | |
745 | msb(rdsb), | |
746 | lsb(rdsb), | |
747 | msb(rdsc), | |
748 | lsb(rdsc), | |
749 | msb(rdsd), | |
750 | lsb(rdsd), | |
751 | }; | |
752 | ||
753 | err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_BUFF, | |
754 | args, ARRAY_SIZE(args), val, | |
755 | ARRAY_SIZE(val), DEFAULT_TIMEOUT); | |
756 | ||
757 | if (!err) { | |
758 | v4l2_dbg(1, debug, &sdev->sd, | |
759 | "%s: status=0x%02x\n", __func__, val[0]); | |
760 | *cbleft = (s8)val[2] - val[3]; | |
761 | v4l2_dbg(1, debug, &sdev->sd, "%s: response: interrupts" | |
762 | " 0x%02x cb avail: %d cb used %d fifo avail" | |
763 | " %d fifo used %d\n", __func__, val[1], | |
764 | val[2], val[3], val[4], val[5]); | |
765 | } | |
766 | ||
767 | return err; | |
768 | } | |
769 | ||
770 | /* | |
771 | * si4713_tx_rds_ps - Loads the program service buffer. | |
772 | * @sdev: si4713_device structure for the device we are communicating | |
773 | * @psid: program service id to be loaded. | |
774 | * @pschar: assumed 4 size char array to be loaded into the program service | |
775 | */ | |
776 | static int si4713_tx_rds_ps(struct si4713_device *sdev, u8 psid, | |
777 | unsigned char *pschar) | |
778 | { | |
779 | int err; | |
780 | u8 val[SI4713_RDSPS_NRESP]; | |
781 | ||
782 | const u8 args[SI4713_RDSPS_NARGS] = { | |
783 | psid & SI4713_RDSPS_PSID_MASK, | |
784 | pschar[0], | |
785 | pschar[1], | |
786 | pschar[2], | |
787 | pschar[3], | |
788 | }; | |
789 | ||
790 | err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_PS, | |
791 | args, ARRAY_SIZE(args), val, | |
792 | ARRAY_SIZE(val), DEFAULT_TIMEOUT); | |
793 | ||
794 | if (err < 0) | |
795 | return err; | |
796 | ||
797 | v4l2_dbg(1, debug, &sdev->sd, "%s: status=0x%02x\n", __func__, val[0]); | |
798 | ||
799 | return err; | |
800 | } | |
801 | ||
802 | static int si4713_set_power_state(struct si4713_device *sdev, u8 value) | |
803 | { | |
02bee89e | 804 | if (value) |
55b2a312 HV |
805 | return si4713_powerup(sdev); |
806 | return si4713_powerdown(sdev); | |
02bee89e EV |
807 | } |
808 | ||
809 | static int si4713_set_mute(struct si4713_device *sdev, u16 mute) | |
810 | { | |
811 | int rval = 0; | |
812 | ||
813 | mute = set_mute(mute); | |
814 | ||
02bee89e EV |
815 | if (sdev->power_state) |
816 | rval = si4713_write_property(sdev, | |
817 | SI4713_TX_LINE_INPUT_MUTE, mute); | |
818 | ||
02bee89e EV |
819 | return rval; |
820 | } | |
821 | ||
822 | static int si4713_set_rds_ps_name(struct si4713_device *sdev, char *ps_name) | |
823 | { | |
824 | int rval = 0, i; | |
825 | u8 len = 0; | |
826 | ||
827 | /* We want to clear the whole thing */ | |
828 | if (!strlen(ps_name)) | |
829 | memset(ps_name, 0, MAX_RDS_PS_NAME + 1); | |
830 | ||
02bee89e EV |
831 | if (sdev->power_state) { |
832 | /* Write the new ps name and clear the padding */ | |
833 | for (i = 0; i < MAX_RDS_PS_NAME; i += (RDS_BLOCK / 2)) { | |
834 | rval = si4713_tx_rds_ps(sdev, (i / (RDS_BLOCK / 2)), | |
835 | ps_name + i); | |
836 | if (rval < 0) | |
55b2a312 | 837 | return rval; |
02bee89e EV |
838 | } |
839 | ||
840 | /* Setup the size to be sent */ | |
841 | if (strlen(ps_name)) | |
842 | len = strlen(ps_name) - 1; | |
843 | else | |
844 | len = 1; | |
845 | ||
846 | rval = si4713_write_property(sdev, | |
847 | SI4713_TX_RDS_PS_MESSAGE_COUNT, | |
848 | rds_ps_nblocks(len)); | |
849 | if (rval < 0) | |
55b2a312 | 850 | return rval; |
02bee89e EV |
851 | |
852 | rval = si4713_write_property(sdev, | |
853 | SI4713_TX_RDS_PS_REPEAT_COUNT, | |
854 | DEFAULT_RDS_PS_REPEAT_COUNT * 2); | |
855 | if (rval < 0) | |
55b2a312 | 856 | return rval; |
02bee89e EV |
857 | } |
858 | ||
02bee89e EV |
859 | return rval; |
860 | } | |
861 | ||
8aab72bb | 862 | static int si4713_set_rds_radio_text(struct si4713_device *sdev, const char *rt) |
02bee89e | 863 | { |
8aab72bb | 864 | static const char cr[RDS_RADIOTEXT_BLK_SIZE] = { RDS_CARRIAGE_RETURN, 0 }; |
02bee89e EV |
865 | int rval = 0, i; |
866 | u16 t_index = 0; | |
867 | u8 b_index = 0, cr_inserted = 0; | |
868 | s8 left; | |
869 | ||
02bee89e | 870 | if (!sdev->power_state) |
03aa1bcd | 871 | return rval; |
02bee89e EV |
872 | |
873 | rval = si4713_tx_rds_buff(sdev, RDS_BLOCK_CLEAR, 0, 0, 0, &left); | |
874 | if (rval < 0) | |
55b2a312 | 875 | return rval; |
02bee89e EV |
876 | |
877 | if (!strlen(rt)) | |
03aa1bcd | 878 | return rval; |
02bee89e EV |
879 | |
880 | do { | |
881 | /* RDS spec says that if the last block isn't used, | |
882 | * then apply a carriage return | |
883 | */ | |
03aa1bcd | 884 | if (t_index < (RDS_RADIOTEXT_INDEX_MAX * RDS_RADIOTEXT_BLK_SIZE)) { |
02bee89e | 885 | for (i = 0; i < RDS_RADIOTEXT_BLK_SIZE; i++) { |
03aa1bcd HV |
886 | if (!rt[t_index + i] || |
887 | rt[t_index + i] == RDS_CARRIAGE_RETURN) { | |
8aab72bb | 888 | rt = cr; |
02bee89e EV |
889 | cr_inserted = 1; |
890 | break; | |
891 | } | |
892 | } | |
893 | } | |
894 | ||
895 | rval = si4713_tx_rds_buff(sdev, RDS_BLOCK_LOAD, | |
896 | compose_u16(RDS_RADIOTEXT_2A, b_index++), | |
897 | compose_u16(rt[t_index], rt[t_index + 1]), | |
898 | compose_u16(rt[t_index + 2], rt[t_index + 3]), | |
899 | &left); | |
900 | if (rval < 0) | |
55b2a312 | 901 | return rval; |
02bee89e EV |
902 | |
903 | t_index += RDS_RADIOTEXT_BLK_SIZE; | |
904 | ||
905 | if (cr_inserted) | |
906 | break; | |
907 | } while (left > 0); | |
908 | ||
03aa1bcd HV |
909 | return rval; |
910 | } | |
911 | ||
912 | /* | |
913 | * si4713_update_tune_status - update properties from tx_tune_status | |
914 | * command. Must be called with sdev->mutex held. | |
915 | * @sdev: si4713_device structure for the device we are communicating | |
916 | */ | |
917 | static int si4713_update_tune_status(struct si4713_device *sdev) | |
918 | { | |
919 | int rval; | |
920 | u16 f = 0; | |
921 | u8 p = 0, a = 0, n = 0; | |
922 | ||
923 | rval = si4713_tx_tune_status(sdev, 0x00, &f, &p, &a, &n); | |
924 | ||
925 | if (rval < 0) | |
926 | goto exit; | |
927 | ||
928 | /* TODO: check that power_level and antenna_capacitor really are not | |
929 | changed by the hardware. If they are, then these controls should become | |
930 | volatiles. | |
931 | sdev->power_level = p; | |
932 | sdev->antenna_capacitor = a;*/ | |
933 | sdev->tune_rnl = n; | |
934 | ||
935 | exit: | |
02bee89e EV |
936 | return rval; |
937 | } | |
938 | ||
939 | static int si4713_choose_econtrol_action(struct si4713_device *sdev, u32 id, | |
03aa1bcd | 940 | s32 *bit, s32 *mask, u16 *property, int *mul, |
02bee89e EV |
941 | unsigned long **table, int *size) |
942 | { | |
943 | s32 rval = 0; | |
944 | ||
945 | switch (id) { | |
946 | /* FM_TX class controls */ | |
947 | case V4L2_CID_RDS_TX_PI: | |
948 | *property = SI4713_TX_RDS_PI; | |
949 | *mul = 1; | |
02bee89e EV |
950 | break; |
951 | case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: | |
952 | *property = SI4713_TX_ACOMP_THRESHOLD; | |
953 | *mul = 1; | |
02bee89e EV |
954 | break; |
955 | case V4L2_CID_AUDIO_COMPRESSION_GAIN: | |
956 | *property = SI4713_TX_ACOMP_GAIN; | |
957 | *mul = 1; | |
02bee89e EV |
958 | break; |
959 | case V4L2_CID_PILOT_TONE_FREQUENCY: | |
960 | *property = SI4713_TX_PILOT_FREQUENCY; | |
961 | *mul = 1; | |
02bee89e EV |
962 | break; |
963 | case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: | |
964 | *property = SI4713_TX_ACOMP_ATTACK_TIME; | |
965 | *mul = ATTACK_TIME_UNIT; | |
02bee89e EV |
966 | break; |
967 | case V4L2_CID_PILOT_TONE_DEVIATION: | |
968 | *property = SI4713_TX_PILOT_DEVIATION; | |
969 | *mul = 10; | |
02bee89e EV |
970 | break; |
971 | case V4L2_CID_AUDIO_LIMITER_DEVIATION: | |
972 | *property = SI4713_TX_AUDIO_DEVIATION; | |
973 | *mul = 10; | |
02bee89e EV |
974 | break; |
975 | case V4L2_CID_RDS_TX_DEVIATION: | |
976 | *property = SI4713_TX_RDS_DEVIATION; | |
977 | *mul = 1; | |
02bee89e EV |
978 | break; |
979 | ||
980 | case V4L2_CID_RDS_TX_PTY: | |
981 | *property = SI4713_TX_RDS_PS_MISC; | |
982 | *bit = 5; | |
983 | *mask = 0x1F << 5; | |
02bee89e | 984 | break; |
1abba28c HV |
985 | case V4L2_CID_RDS_TX_DYNAMIC_PTY: |
986 | *property = SI4713_TX_RDS_PS_MISC; | |
987 | *bit = 15; | |
988 | *mask = 1 << 15; | |
989 | break; | |
990 | case V4L2_CID_RDS_TX_COMPRESSED: | |
991 | *property = SI4713_TX_RDS_PS_MISC; | |
992 | *bit = 14; | |
993 | *mask = 1 << 14; | |
994 | break; | |
995 | case V4L2_CID_RDS_TX_ARTIFICIAL_HEAD: | |
996 | *property = SI4713_TX_RDS_PS_MISC; | |
997 | *bit = 13; | |
998 | *mask = 1 << 13; | |
999 | break; | |
1000 | case V4L2_CID_RDS_TX_MONO_STEREO: | |
1001 | *property = SI4713_TX_RDS_PS_MISC; | |
1002 | *bit = 12; | |
1003 | *mask = 1 << 12; | |
1004 | break; | |
1005 | case V4L2_CID_RDS_TX_TRAFFIC_PROGRAM: | |
1006 | *property = SI4713_TX_RDS_PS_MISC; | |
1007 | *bit = 10; | |
1008 | *mask = 1 << 10; | |
1009 | break; | |
1010 | case V4L2_CID_RDS_TX_TRAFFIC_ANNOUNCEMENT: | |
1011 | *property = SI4713_TX_RDS_PS_MISC; | |
1012 | *bit = 4; | |
1013 | *mask = 1 << 4; | |
1014 | break; | |
1015 | case V4L2_CID_RDS_TX_MUSIC_SPEECH: | |
1016 | *property = SI4713_TX_RDS_PS_MISC; | |
1017 | *bit = 3; | |
1018 | *mask = 1 << 3; | |
1019 | break; | |
02bee89e EV |
1020 | case V4L2_CID_AUDIO_LIMITER_ENABLED: |
1021 | *property = SI4713_TX_ACOMP_ENABLE; | |
1022 | *bit = 1; | |
1023 | *mask = 1 << 1; | |
02bee89e EV |
1024 | break; |
1025 | case V4L2_CID_AUDIO_COMPRESSION_ENABLED: | |
1026 | *property = SI4713_TX_ACOMP_ENABLE; | |
1027 | *bit = 0; | |
1028 | *mask = 1 << 0; | |
02bee89e EV |
1029 | break; |
1030 | case V4L2_CID_PILOT_TONE_ENABLED: | |
1031 | *property = SI4713_TX_COMPONENT_ENABLE; | |
1032 | *bit = 0; | |
1033 | *mask = 1 << 0; | |
02bee89e EV |
1034 | break; |
1035 | ||
1036 | case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: | |
1037 | *property = SI4713_TX_LIMITER_RELEASE_TIME; | |
1038 | *table = limiter_times; | |
1039 | *size = ARRAY_SIZE(limiter_times); | |
02bee89e EV |
1040 | break; |
1041 | case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: | |
1042 | *property = SI4713_TX_ACOMP_RELEASE_TIME; | |
1043 | *table = acomp_rtimes; | |
1044 | *size = ARRAY_SIZE(acomp_rtimes); | |
02bee89e EV |
1045 | break; |
1046 | case V4L2_CID_TUNE_PREEMPHASIS: | |
1047 | *property = SI4713_TX_PREEMPHASIS; | |
1048 | *table = preemphasis_values; | |
1049 | *size = ARRAY_SIZE(preemphasis_values); | |
02bee89e EV |
1050 | break; |
1051 | ||
1052 | default: | |
1053 | rval = -EINVAL; | |
02bee89e | 1054 | break; |
02bee89e EV |
1055 | } |
1056 | ||
02bee89e EV |
1057 | return rval; |
1058 | } | |
1059 | ||
b530a447 | 1060 | static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f); |
3f70e1f5 | 1061 | static int si4713_s_modulator(struct v4l2_subdev *sd, const struct v4l2_modulator *); |
02bee89e EV |
1062 | /* |
1063 | * si4713_setup - Sets the device up with current configuration. | |
1064 | * @sdev: si4713_device structure for the device we are communicating | |
1065 | */ | |
1066 | static int si4713_setup(struct si4713_device *sdev) | |
1067 | { | |
02bee89e EV |
1068 | struct v4l2_frequency f; |
1069 | struct v4l2_modulator vm; | |
03aa1bcd | 1070 | int rval; |
02bee89e EV |
1071 | |
1072 | /* Device procedure needs to set frequency first */ | |
b387754d | 1073 | f.tuner = 0; |
03aa1bcd | 1074 | f.frequency = sdev->frequency ? sdev->frequency : DEFAULT_FREQUENCY; |
02bee89e | 1075 | f.frequency = si4713_to_v4l2(f.frequency); |
03aa1bcd | 1076 | rval = si4713_s_frequency(&sdev->sd, &f); |
02bee89e EV |
1077 | |
1078 | vm.index = 0; | |
03aa1bcd | 1079 | if (sdev->stereo) |
02bee89e EV |
1080 | vm.txsubchans = V4L2_TUNER_SUB_STEREO; |
1081 | else | |
1082 | vm.txsubchans = V4L2_TUNER_SUB_MONO; | |
03aa1bcd | 1083 | if (sdev->rds_enabled) |
02bee89e EV |
1084 | vm.txsubchans |= V4L2_TUNER_SUB_RDS; |
1085 | si4713_s_modulator(&sdev->sd, &vm); | |
1086 | ||
02bee89e EV |
1087 | return rval; |
1088 | } | |
1089 | ||
1090 | /* | |
1091 | * si4713_initialize - Sets the device up with default configuration. | |
1092 | * @sdev: si4713_device structure for the device we are communicating | |
1093 | */ | |
1094 | static int si4713_initialize(struct si4713_device *sdev) | |
1095 | { | |
1096 | int rval; | |
1097 | ||
1098 | rval = si4713_set_power_state(sdev, POWER_ON); | |
1099 | if (rval < 0) | |
55b2a312 | 1100 | return rval; |
02bee89e EV |
1101 | |
1102 | rval = si4713_checkrev(sdev); | |
1103 | if (rval < 0) | |
55b2a312 | 1104 | return rval; |
02bee89e EV |
1105 | |
1106 | rval = si4713_set_power_state(sdev, POWER_OFF); | |
1107 | if (rval < 0) | |
55b2a312 | 1108 | return rval; |
02bee89e | 1109 | |
02bee89e | 1110 | sdev->frequency = DEFAULT_FREQUENCY; |
02bee89e EV |
1111 | sdev->stereo = 1; |
1112 | sdev->tune_rnl = DEFAULT_TUNE_RNL; | |
03aa1bcd | 1113 | return 0; |
02bee89e EV |
1114 | } |
1115 | ||
03aa1bcd HV |
1116 | /* si4713_s_ctrl - set the value of a control */ |
1117 | static int si4713_s_ctrl(struct v4l2_ctrl *ctrl) | |
02bee89e | 1118 | { |
03aa1bcd HV |
1119 | struct si4713_device *sdev = |
1120 | container_of(ctrl->handler, struct si4713_device, ctrl_handler); | |
1121 | u32 val = 0; | |
02bee89e EV |
1122 | s32 bit = 0, mask = 0; |
1123 | u16 property = 0; | |
1124 | int mul = 0; | |
1125 | unsigned long *table = NULL; | |
1126 | int size = 0; | |
03aa1bcd HV |
1127 | bool force = false; |
1128 | int c; | |
1129 | int ret = 0; | |
02bee89e | 1130 | |
03aa1bcd | 1131 | if (ctrl->id != V4L2_CID_AUDIO_MUTE) |
02bee89e | 1132 | return -EINVAL; |
03aa1bcd HV |
1133 | if (ctrl->is_new) { |
1134 | if (ctrl->val) { | |
1135 | ret = si4713_set_mute(sdev, ctrl->val); | |
1136 | if (!ret) | |
1137 | ret = si4713_set_power_state(sdev, POWER_DOWN); | |
1138 | return ret; | |
02bee89e | 1139 | } |
03aa1bcd HV |
1140 | ret = si4713_set_power_state(sdev, POWER_UP); |
1141 | if (!ret) | |
1142 | ret = si4713_set_mute(sdev, ctrl->val); | |
1143 | if (!ret) | |
1144 | ret = si4713_setup(sdev); | |
1145 | if (ret) | |
1146 | return ret; | |
1147 | force = true; | |
02bee89e EV |
1148 | } |
1149 | ||
03aa1bcd HV |
1150 | if (!sdev->power_state) |
1151 | return 0; | |
02bee89e | 1152 | |
03aa1bcd HV |
1153 | for (c = 1; !ret && c < ctrl->ncontrols; c++) { |
1154 | ctrl = ctrl->cluster[c]; | |
02bee89e | 1155 | |
03aa1bcd HV |
1156 | if (!force && !ctrl->is_new) |
1157 | continue; | |
02bee89e | 1158 | |
03aa1bcd | 1159 | switch (ctrl->id) { |
02bee89e | 1160 | case V4L2_CID_RDS_TX_PS_NAME: |
2a9ec373 | 1161 | ret = si4713_set_rds_ps_name(sdev, ctrl->p_new.p_char); |
03aa1bcd HV |
1162 | break; |
1163 | ||
02bee89e | 1164 | case V4L2_CID_RDS_TX_RADIO_TEXT: |
2a9ec373 | 1165 | ret = si4713_set_rds_radio_text(sdev, ctrl->p_new.p_char); |
02bee89e | 1166 | break; |
03aa1bcd | 1167 | |
02bee89e | 1168 | case V4L2_CID_TUNE_ANTENNA_CAPACITOR: |
03aa1bcd HV |
1169 | /* don't handle this control if we force setting all |
1170 | * controls since in that case it will be handled by | |
1171 | * V4L2_CID_TUNE_POWER_LEVEL. */ | |
1172 | if (force) | |
1173 | break; | |
1174 | /* fall through */ | |
02bee89e | 1175 | case V4L2_CID_TUNE_POWER_LEVEL: |
03aa1bcd HV |
1176 | ret = si4713_tx_tune_power(sdev, |
1177 | sdev->tune_pwr_level->val, sdev->tune_ant_cap->val); | |
1178 | if (!ret) { | |
1179 | /* Make sure we don't set this twice */ | |
1180 | sdev->tune_ant_cap->is_new = false; | |
1181 | sdev->tune_pwr_level->is_new = false; | |
1182 | } | |
02bee89e | 1183 | break; |
02bee89e | 1184 | |
1abba28c HV |
1185 | case V4L2_CID_RDS_TX_ALT_FREQS_ENABLE: |
1186 | case V4L2_CID_RDS_TX_ALT_FREQS: | |
1187 | if (sdev->rds_alt_freqs_enable->val) { | |
1188 | val = sdev->rds_alt_freqs->p_new.p_u32[0]; | |
1189 | val = val / 100 - 876 + 0xe101; | |
1190 | } else { | |
1191 | val = 0xe0e0; | |
1192 | } | |
1193 | ret = si4713_write_property(sdev, SI4713_TX_RDS_PS_AF, val); | |
1194 | break; | |
1195 | ||
03aa1bcd HV |
1196 | default: |
1197 | ret = si4713_choose_econtrol_action(sdev, ctrl->id, &bit, | |
1198 | &mask, &property, &mul, &table, &size); | |
1199 | if (ret < 0) | |
1200 | break; | |
1201 | ||
1202 | val = ctrl->val; | |
1203 | if (mul) { | |
1204 | val = val / mul; | |
1205 | } else if (table) { | |
1206 | ret = usecs_to_dev(val, table, size); | |
1207 | if (ret < 0) | |
1208 | break; | |
1209 | val = ret; | |
1210 | ret = 0; | |
1211 | } | |
02bee89e | 1212 | |
03aa1bcd HV |
1213 | if (mask) { |
1214 | ret = si4713_read_property(sdev, property, &val); | |
1215 | if (ret < 0) | |
1216 | break; | |
1217 | val = set_bits(val, ctrl->val, bit, mask); | |
1218 | } | |
02bee89e | 1219 | |
03aa1bcd HV |
1220 | ret = si4713_write_property(sdev, property, val); |
1221 | if (ret < 0) | |
1222 | break; | |
1223 | if (mask) | |
1224 | val = ctrl->val; | |
1225 | break; | |
02bee89e | 1226 | } |
02bee89e EV |
1227 | } |
1228 | ||
03aa1bcd | 1229 | return ret; |
02bee89e EV |
1230 | } |
1231 | ||
1232 | /* si4713_ioctl - deal with private ioctls (only rnl for now) */ | |
0dec8688 | 1233 | static long si4713_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) |
02bee89e EV |
1234 | { |
1235 | struct si4713_device *sdev = to_si4713_device(sd); | |
1236 | struct si4713_rnl *rnl = arg; | |
1237 | u16 frequency; | |
1238 | int rval = 0; | |
1239 | ||
1240 | if (!arg) | |
1241 | return -EINVAL; | |
1242 | ||
02bee89e EV |
1243 | switch (cmd) { |
1244 | case SI4713_IOC_MEASURE_RNL: | |
1245 | frequency = v4l2_to_si4713(rnl->frequency); | |
1246 | ||
1247 | if (sdev->power_state) { | |
1248 | /* Set desired measurement frequency */ | |
1249 | rval = si4713_tx_tune_measure(sdev, frequency, 0); | |
1250 | if (rval < 0) | |
55b2a312 | 1251 | return rval; |
02bee89e EV |
1252 | /* get results from tune status */ |
1253 | rval = si4713_update_tune_status(sdev); | |
1254 | if (rval < 0) | |
55b2a312 | 1255 | return rval; |
02bee89e EV |
1256 | } |
1257 | rnl->rnl = sdev->tune_rnl; | |
1258 | break; | |
1259 | ||
1260 | default: | |
1261 | /* nothing */ | |
1262 | rval = -ENOIOCTLCMD; | |
1263 | } | |
1264 | ||
02bee89e EV |
1265 | return rval; |
1266 | } | |
1267 | ||
02bee89e EV |
1268 | /* si4713_g_modulator - get modulator attributes */ |
1269 | static int si4713_g_modulator(struct v4l2_subdev *sd, struct v4l2_modulator *vm) | |
1270 | { | |
1271 | struct si4713_device *sdev = to_si4713_device(sd); | |
1272 | int rval = 0; | |
1273 | ||
55b2a312 HV |
1274 | if (!sdev) |
1275 | return -ENODEV; | |
02bee89e | 1276 | |
55b2a312 HV |
1277 | if (vm->index > 0) |
1278 | return -EINVAL; | |
02bee89e EV |
1279 | |
1280 | strncpy(vm->name, "FM Modulator", 32); | |
1281 | vm->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW | | |
cb0ed222 | 1282 | V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_CONTROLS; |
02bee89e EV |
1283 | |
1284 | /* Report current frequency range limits */ | |
1285 | vm->rangelow = si4713_to_v4l2(FREQ_RANGE_LOW); | |
1286 | vm->rangehigh = si4713_to_v4l2(FREQ_RANGE_HIGH); | |
1287 | ||
02bee89e EV |
1288 | if (sdev->power_state) { |
1289 | u32 comp_en = 0; | |
1290 | ||
1291 | rval = si4713_read_property(sdev, SI4713_TX_COMPONENT_ENABLE, | |
1292 | &comp_en); | |
1293 | if (rval < 0) | |
55b2a312 | 1294 | return rval; |
02bee89e EV |
1295 | |
1296 | sdev->stereo = get_status_bit(comp_en, 1, 1 << 1); | |
02bee89e EV |
1297 | } |
1298 | ||
1299 | /* Report current audio mode: mono or stereo */ | |
1300 | if (sdev->stereo) | |
1301 | vm->txsubchans = V4L2_TUNER_SUB_STEREO; | |
1302 | else | |
1303 | vm->txsubchans = V4L2_TUNER_SUB_MONO; | |
1304 | ||
1305 | /* Report rds feature status */ | |
03aa1bcd | 1306 | if (sdev->rds_enabled) |
02bee89e EV |
1307 | vm->txsubchans |= V4L2_TUNER_SUB_RDS; |
1308 | else | |
1309 | vm->txsubchans &= ~V4L2_TUNER_SUB_RDS; | |
1310 | ||
02bee89e EV |
1311 | return rval; |
1312 | } | |
1313 | ||
1314 | /* si4713_s_modulator - set modulator attributes */ | |
3f70e1f5 | 1315 | static int si4713_s_modulator(struct v4l2_subdev *sd, const struct v4l2_modulator *vm) |
02bee89e EV |
1316 | { |
1317 | struct si4713_device *sdev = to_si4713_device(sd); | |
1318 | int rval = 0; | |
1319 | u16 stereo, rds; | |
1320 | u32 p; | |
1321 | ||
a65f3159 HV |
1322 | if (!sdev) |
1323 | return -ENODEV; | |
02bee89e | 1324 | |
a65f3159 HV |
1325 | if (vm->index > 0) |
1326 | return -EINVAL; | |
02bee89e EV |
1327 | |
1328 | /* Set audio mode: mono or stereo */ | |
1329 | if (vm->txsubchans & V4L2_TUNER_SUB_STEREO) | |
1330 | stereo = 1; | |
1331 | else if (vm->txsubchans & V4L2_TUNER_SUB_MONO) | |
1332 | stereo = 0; | |
1333 | else | |
a65f3159 | 1334 | return -EINVAL; |
02bee89e EV |
1335 | |
1336 | rds = !!(vm->txsubchans & V4L2_TUNER_SUB_RDS); | |
1337 | ||
02bee89e EV |
1338 | if (sdev->power_state) { |
1339 | rval = si4713_read_property(sdev, | |
1340 | SI4713_TX_COMPONENT_ENABLE, &p); | |
1341 | if (rval < 0) | |
55b2a312 | 1342 | return rval; |
02bee89e EV |
1343 | |
1344 | p = set_bits(p, stereo, 1, 1 << 1); | |
1345 | p = set_bits(p, rds, 2, 1 << 2); | |
1346 | ||
1347 | rval = si4713_write_property(sdev, | |
1348 | SI4713_TX_COMPONENT_ENABLE, p); | |
1349 | if (rval < 0) | |
55b2a312 | 1350 | return rval; |
02bee89e EV |
1351 | } |
1352 | ||
1353 | sdev->stereo = stereo; | |
03aa1bcd | 1354 | sdev->rds_enabled = rds; |
02bee89e | 1355 | |
02bee89e EV |
1356 | return rval; |
1357 | } | |
1358 | ||
1359 | /* si4713_g_frequency - get tuner or modulator radio frequency */ | |
1360 | static int si4713_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) | |
1361 | { | |
1362 | struct si4713_device *sdev = to_si4713_device(sd); | |
1363 | int rval = 0; | |
1364 | ||
b387754d HV |
1365 | if (f->tuner) |
1366 | return -EINVAL; | |
02bee89e | 1367 | |
02bee89e EV |
1368 | if (sdev->power_state) { |
1369 | u16 freq; | |
1370 | u8 p, a, n; | |
1371 | ||
1372 | rval = si4713_tx_tune_status(sdev, 0x00, &freq, &p, &a, &n); | |
1373 | if (rval < 0) | |
55b2a312 | 1374 | return rval; |
02bee89e EV |
1375 | |
1376 | sdev->frequency = freq; | |
1377 | } | |
1378 | ||
1379 | f->frequency = si4713_to_v4l2(sdev->frequency); | |
1380 | ||
02bee89e EV |
1381 | return rval; |
1382 | } | |
1383 | ||
1384 | /* si4713_s_frequency - set tuner or modulator radio frequency */ | |
b530a447 | 1385 | static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f) |
02bee89e EV |
1386 | { |
1387 | struct si4713_device *sdev = to_si4713_device(sd); | |
1388 | int rval = 0; | |
1389 | u16 frequency = v4l2_to_si4713(f->frequency); | |
1390 | ||
b387754d HV |
1391 | if (f->tuner) |
1392 | return -EINVAL; | |
1393 | ||
02bee89e | 1394 | /* Check frequency range */ |
b387754d | 1395 | frequency = clamp_t(u16, frequency, FREQ_RANGE_LOW, FREQ_RANGE_HIGH); |
02bee89e | 1396 | |
02bee89e EV |
1397 | if (sdev->power_state) { |
1398 | rval = si4713_tx_tune_freq(sdev, frequency); | |
1399 | if (rval < 0) | |
55b2a312 | 1400 | return rval; |
02bee89e EV |
1401 | frequency = rval; |
1402 | rval = 0; | |
1403 | } | |
1404 | sdev->frequency = frequency; | |
02bee89e | 1405 | |
02bee89e EV |
1406 | return rval; |
1407 | } | |
1408 | ||
03aa1bcd HV |
1409 | static const struct v4l2_ctrl_ops si4713_ctrl_ops = { |
1410 | .s_ctrl = si4713_s_ctrl, | |
1411 | }; | |
1412 | ||
1413 | static const struct v4l2_subdev_core_ops si4713_subdev_core_ops = { | |
1414 | .ioctl = si4713_ioctl, | |
1415 | }; | |
1416 | ||
02bee89e EV |
1417 | static const struct v4l2_subdev_tuner_ops si4713_subdev_tuner_ops = { |
1418 | .g_frequency = si4713_g_frequency, | |
1419 | .s_frequency = si4713_s_frequency, | |
1420 | .g_modulator = si4713_g_modulator, | |
1421 | .s_modulator = si4713_s_modulator, | |
1422 | }; | |
1423 | ||
1424 | static const struct v4l2_subdev_ops si4713_subdev_ops = { | |
1425 | .core = &si4713_subdev_core_ops, | |
1426 | .tuner = &si4713_subdev_tuner_ops, | |
1427 | }; | |
1428 | ||
1abba28c HV |
1429 | static const struct v4l2_ctrl_config si4713_alt_freqs_ctrl = { |
1430 | .id = V4L2_CID_RDS_TX_ALT_FREQS, | |
1431 | .type = V4L2_CTRL_TYPE_U32, | |
1432 | .min = 87600, | |
1433 | .max = 107900, | |
1434 | .step = 100, | |
1435 | .def = 87600, | |
1436 | .dims = { 1 }, | |
1437 | .elem_size = sizeof(u32), | |
1438 | }; | |
1439 | ||
02bee89e EV |
1440 | /* |
1441 | * I2C driver interface | |
1442 | */ | |
1443 | /* si4713_probe - probe for the device */ | |
1444 | static int si4713_probe(struct i2c_client *client, | |
1445 | const struct i2c_device_id *id) | |
1446 | { | |
1447 | struct si4713_device *sdev; | |
03aa1bcd | 1448 | struct v4l2_ctrl_handler *hdl; |
98bea620 SR |
1449 | struct si4713_platform_data *pdata = client->dev.platform_data; |
1450 | struct device_node *np = client->dev.of_node; | |
1451 | struct radio_si4713_platform_data si4713_pdev_pdata; | |
1452 | struct platform_device *si4713_pdev; | |
d4471dec | 1453 | int rval; |
02bee89e | 1454 | |
80cd5c7a | 1455 | sdev = devm_kzalloc(&client->dev, sizeof(*sdev), GFP_KERNEL); |
02bee89e EV |
1456 | if (!sdev) { |
1457 | dev_err(&client->dev, "Failed to alloc video device.\n"); | |
1458 | rval = -ENOMEM; | |
1459 | goto exit; | |
1460 | } | |
1461 | ||
b36ae853 UKK |
1462 | sdev->gpio_reset = devm_gpiod_get_optional(&client->dev, "reset", |
1463 | GPIOD_OUT_LOW); | |
1464 | if (IS_ERR(sdev->gpio_reset)) { | |
fbe14a12 SR |
1465 | rval = PTR_ERR(sdev->gpio_reset); |
1466 | dev_err(&client->dev, "Failed to request gpio: %d\n", rval); | |
80cd5c7a | 1467 | goto exit; |
00df055a JN |
1468 | } |
1469 | ||
d4471dec SR |
1470 | sdev->vdd = devm_regulator_get_optional(&client->dev, "vdd"); |
1471 | if (IS_ERR(sdev->vdd)) { | |
1472 | rval = PTR_ERR(sdev->vdd); | |
1473 | if (rval == -EPROBE_DEFER) | |
1474 | goto exit; | |
1475 | ||
1476 | dev_dbg(&client->dev, "no vdd regulator found: %d\n", rval); | |
1477 | sdev->vdd = NULL; | |
1478 | } | |
1479 | ||
1480 | sdev->vio = devm_regulator_get_optional(&client->dev, "vio"); | |
1481 | if (IS_ERR(sdev->vio)) { | |
1482 | rval = PTR_ERR(sdev->vio); | |
1483 | if (rval == -EPROBE_DEFER) | |
1484 | goto exit; | |
00df055a | 1485 | |
d4471dec SR |
1486 | dev_dbg(&client->dev, "no vio regulator found: %d\n", rval); |
1487 | sdev->vio = NULL; | |
02bee89e EV |
1488 | } |
1489 | ||
1490 | v4l2_i2c_subdev_init(&sdev->sd, client, &si4713_subdev_ops); | |
1491 | ||
02bee89e EV |
1492 | init_completion(&sdev->work); |
1493 | ||
03aa1bcd HV |
1494 | hdl = &sdev->ctrl_handler; |
1495 | v4l2_ctrl_handler_init(hdl, 20); | |
1496 | sdev->mute = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1497 | V4L2_CID_AUDIO_MUTE, 0, 1, 1, DEFAULT_MUTE); | |
1498 | ||
1499 | sdev->rds_pi = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1500 | V4L2_CID_RDS_TX_PI, 0, 0xffff, 1, DEFAULT_RDS_PI); | |
1501 | sdev->rds_pty = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1502 | V4L2_CID_RDS_TX_PTY, 0, 31, 1, DEFAULT_RDS_PTY); | |
1abba28c HV |
1503 | sdev->rds_compressed = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, |
1504 | V4L2_CID_RDS_TX_COMPRESSED, 0, 1, 1, 0); | |
1505 | sdev->rds_art_head = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1506 | V4L2_CID_RDS_TX_ARTIFICIAL_HEAD, 0, 1, 1, 0); | |
1507 | sdev->rds_stereo = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1508 | V4L2_CID_RDS_TX_MONO_STEREO, 0, 1, 1, 1); | |
1509 | sdev->rds_tp = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1510 | V4L2_CID_RDS_TX_TRAFFIC_PROGRAM, 0, 1, 1, 0); | |
1511 | sdev->rds_ta = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1512 | V4L2_CID_RDS_TX_TRAFFIC_ANNOUNCEMENT, 0, 1, 1, 0); | |
1513 | sdev->rds_ms = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1514 | V4L2_CID_RDS_TX_MUSIC_SPEECH, 0, 1, 1, 1); | |
1515 | sdev->rds_dyn_pty = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1516 | V4L2_CID_RDS_TX_DYNAMIC_PTY, 0, 1, 1, 0); | |
1517 | sdev->rds_alt_freqs_enable = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1518 | V4L2_CID_RDS_TX_ALT_FREQS_ENABLE, 0, 1, 1, 0); | |
1519 | sdev->rds_alt_freqs = v4l2_ctrl_new_custom(hdl, &si4713_alt_freqs_ctrl, NULL); | |
03aa1bcd HV |
1520 | sdev->rds_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, |
1521 | V4L2_CID_RDS_TX_DEVIATION, 0, MAX_RDS_DEVIATION, | |
1522 | 10, DEFAULT_RDS_DEVIATION); | |
1523 | /* | |
1524 | * Report step as 8. From RDS spec, psname | |
1525 | * should be 8. But there are receivers which scroll strings | |
1526 | * sized as 8xN. | |
1527 | */ | |
1528 | sdev->rds_ps_name = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1529 | V4L2_CID_RDS_TX_PS_NAME, 0, MAX_RDS_PS_NAME, 8, 0); | |
1530 | /* | |
1531 | * Report step as 32 (2A block). From RDS spec, | |
1532 | * radio text should be 32 for 2A block. But there are receivers | |
1533 | * which scroll strings sized as 32xN. Setting default to 32. | |
1534 | */ | |
1535 | sdev->rds_radio_text = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1536 | V4L2_CID_RDS_TX_RADIO_TEXT, 0, MAX_RDS_RADIO_TEXT, 32, 0); | |
1537 | ||
1538 | sdev->limiter_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1539 | V4L2_CID_AUDIO_LIMITER_ENABLED, 0, 1, 1, 1); | |
1540 | sdev->limiter_release_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1541 | V4L2_CID_AUDIO_LIMITER_RELEASE_TIME, 250, | |
1542 | MAX_LIMITER_RELEASE_TIME, 10, DEFAULT_LIMITER_RTIME); | |
1543 | sdev->limiter_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1544 | V4L2_CID_AUDIO_LIMITER_DEVIATION, 0, | |
1545 | MAX_LIMITER_DEVIATION, 10, DEFAULT_LIMITER_DEV); | |
1546 | ||
1547 | sdev->compression_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1548 | V4L2_CID_AUDIO_COMPRESSION_ENABLED, 0, 1, 1, 1); | |
1549 | sdev->compression_gain = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1550 | V4L2_CID_AUDIO_COMPRESSION_GAIN, 0, MAX_ACOMP_GAIN, 1, | |
1551 | DEFAULT_ACOMP_GAIN); | |
1552 | sdev->compression_threshold = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
9ca33ccd HV |
1553 | V4L2_CID_AUDIO_COMPRESSION_THRESHOLD, |
1554 | MIN_ACOMP_THRESHOLD, MAX_ACOMP_THRESHOLD, 1, | |
03aa1bcd HV |
1555 | DEFAULT_ACOMP_THRESHOLD); |
1556 | sdev->compression_attack_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1557 | V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME, 0, | |
1558 | MAX_ACOMP_ATTACK_TIME, 500, DEFAULT_ACOMP_ATIME); | |
1559 | sdev->compression_release_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1560 | V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME, 100000, | |
1561 | MAX_ACOMP_RELEASE_TIME, 100000, DEFAULT_ACOMP_RTIME); | |
1562 | ||
1563 | sdev->pilot_tone_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1564 | V4L2_CID_PILOT_TONE_ENABLED, 0, 1, 1, 1); | |
1565 | sdev->pilot_tone_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1566 | V4L2_CID_PILOT_TONE_DEVIATION, 0, MAX_PILOT_DEVIATION, | |
1567 | 10, DEFAULT_PILOT_DEVIATION); | |
1568 | sdev->pilot_tone_freq = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
1569 | V4L2_CID_PILOT_TONE_FREQUENCY, 0, MAX_PILOT_FREQUENCY, | |
1570 | 1, DEFAULT_PILOT_FREQUENCY); | |
1571 | ||
1572 | sdev->tune_preemphasis = v4l2_ctrl_new_std_menu(hdl, &si4713_ctrl_ops, | |
1573 | V4L2_CID_TUNE_PREEMPHASIS, | |
1574 | V4L2_PREEMPHASIS_75_uS, 0, V4L2_PREEMPHASIS_50_uS); | |
1575 | sdev->tune_pwr_level = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, | |
9ca33ccd HV |
1576 | V4L2_CID_TUNE_POWER_LEVEL, 0, SI4713_MAX_POWER, |
1577 | 1, DEFAULT_POWER_LEVEL); | |
03aa1bcd | 1578 | sdev->tune_ant_cap = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops, |
9ca33ccd HV |
1579 | V4L2_CID_TUNE_ANTENNA_CAPACITOR, 0, SI4713_MAX_ANTCAP, |
1580 | 1, 0); | |
03aa1bcd HV |
1581 | |
1582 | if (hdl->error) { | |
1583 | rval = hdl->error; | |
1584 | goto free_ctrls; | |
1585 | } | |
1abba28c | 1586 | v4l2_ctrl_cluster(29, &sdev->mute); |
03aa1bcd HV |
1587 | sdev->sd.ctrl_handler = hdl; |
1588 | ||
02bee89e | 1589 | if (client->irq) { |
c3a5baf4 | 1590 | rval = devm_request_irq(&client->dev, client->irq, |
0798ec69 | 1591 | si4713_handler, IRQF_TRIGGER_FALLING, |
02bee89e EV |
1592 | client->name, sdev); |
1593 | if (rval < 0) { | |
1594 | v4l2_err(&sdev->sd, "Could not request IRQ\n"); | |
d4471dec | 1595 | goto free_ctrls; |
02bee89e EV |
1596 | } |
1597 | v4l2_dbg(1, debug, &sdev->sd, "IRQ requested.\n"); | |
1598 | } else { | |
1599 | v4l2_warn(&sdev->sd, "IRQ not configured. Using timeouts.\n"); | |
1600 | } | |
1601 | ||
1602 | rval = si4713_initialize(sdev); | |
1603 | if (rval < 0) { | |
1604 | v4l2_err(&sdev->sd, "Failed to probe device information.\n"); | |
c3a5baf4 | 1605 | goto free_ctrls; |
02bee89e EV |
1606 | } |
1607 | ||
98bea620 SR |
1608 | if (!np && (!pdata || !pdata->is_platform_device)) |
1609 | return 0; | |
1610 | ||
1611 | si4713_pdev = platform_device_alloc("radio-si4713", -1); | |
50f2468e JL |
1612 | if (!si4713_pdev) { |
1613 | rval = -ENOMEM; | |
98bea620 | 1614 | goto put_main_pdev; |
50f2468e | 1615 | } |
98bea620 SR |
1616 | |
1617 | si4713_pdev_pdata.subdev = client; | |
1618 | rval = platform_device_add_data(si4713_pdev, &si4713_pdev_pdata, | |
1619 | sizeof(si4713_pdev_pdata)); | |
1620 | if (rval) | |
1621 | goto put_main_pdev; | |
1622 | ||
1623 | rval = platform_device_add(si4713_pdev); | |
1624 | if (rval) | |
1625 | goto put_main_pdev; | |
1626 | ||
1627 | sdev->pd = si4713_pdev; | |
1628 | ||
02bee89e EV |
1629 | return 0; |
1630 | ||
98bea620 SR |
1631 | put_main_pdev: |
1632 | platform_device_put(si4713_pdev); | |
1633 | v4l2_device_unregister_subdev(&sdev->sd); | |
03aa1bcd HV |
1634 | free_ctrls: |
1635 | v4l2_ctrl_handler_free(hdl); | |
02bee89e EV |
1636 | exit: |
1637 | return rval; | |
1638 | } | |
1639 | ||
1640 | /* si4713_remove - remove the device */ | |
1641 | static int si4713_remove(struct i2c_client *client) | |
1642 | { | |
1643 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
1644 | struct si4713_device *sdev = to_si4713_device(sd); | |
1645 | ||
98bea620 SR |
1646 | platform_device_unregister(sdev->pd); |
1647 | ||
02bee89e EV |
1648 | if (sdev->power_state) |
1649 | si4713_set_power_state(sdev, POWER_DOWN); | |
1650 | ||
02bee89e | 1651 | v4l2_device_unregister_subdev(sd); |
03aa1bcd | 1652 | v4l2_ctrl_handler_free(sd->ctrl_handler); |
02bee89e EV |
1653 | |
1654 | return 0; | |
1655 | } | |
1656 | ||
1657 | /* si4713_i2c_driver - i2c driver interface */ | |
1658 | static const struct i2c_device_id si4713_id[] = { | |
1659 | { "si4713" , 0 }, | |
1660 | { }, | |
1661 | }; | |
1662 | MODULE_DEVICE_TABLE(i2c, si4713_id); | |
1663 | ||
1664 | static struct i2c_driver si4713_i2c_driver = { | |
1665 | .driver = { | |
1666 | .name = "si4713", | |
1667 | }, | |
1668 | .probe = si4713_probe, | |
1669 | .remove = si4713_remove, | |
1670 | .id_table = si4713_id, | |
1671 | }; | |
1672 | ||
c6e8d86f | 1673 | module_i2c_driver(si4713_i2c_driver); |