Commit | Line | Data |
---|---|---|
10b89ee3 MCC |
1 | /* |
2 | Driver for SAA6588 RDS decoder | |
3 | ||
4 | (c) 2005 Hans J. Koch | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
21 | ||
22 | #include <linux/module.h> | |
23 | #include <linux/kernel.h> | |
24 | #include <linux/i2c.h> | |
25 | #include <linux/types.h> | |
7f6adeaf | 26 | #include <linux/videodev2.h> |
10b89ee3 MCC |
27 | #include <linux/init.h> |
28 | #include <linux/errno.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/poll.h> | |
31 | #include <linux/wait.h> | |
32 | #include <asm/uaccess.h> | |
33 | ||
b9218f2f | 34 | #include <media/saa6588.h> |
c3fda7f8 | 35 | #include <media/v4l2-device.h> |
f1f8c907 | 36 | #include <media/v4l2-chip-ident.h> |
10b89ee3 | 37 | |
10b89ee3 MCC |
38 | |
39 | /* insmod options */ | |
ff699e6b DSL |
40 | static unsigned int debug; |
41 | static unsigned int xtal; | |
3c86cf7a | 42 | static unsigned int mmbs; |
ff699e6b | 43 | static unsigned int plvl; |
10b89ee3 MCC |
44 | static unsigned int bufblocks = 100; |
45 | ||
9b565eb7 | 46 | module_param(debug, int, 0644); |
10b89ee3 | 47 | MODULE_PARM_DESC(debug, "enable debug messages"); |
9b565eb7 | 48 | module_param(xtal, int, 0); |
10b89ee3 | 49 | MODULE_PARM_DESC(xtal, "select oscillator frequency (0..3), default 0"); |
3c86cf7a HV |
50 | module_param(mmbs, int, 0); |
51 | MODULE_PARM_DESC(mmbs, "enable MMBS mode: 0=off (default), 1=on"); | |
9b565eb7 | 52 | module_param(plvl, int, 0); |
10b89ee3 | 53 | MODULE_PARM_DESC(plvl, "select pause level (0..3), default 0"); |
9b565eb7 | 54 | module_param(bufblocks, int, 0); |
10b89ee3 MCC |
55 | MODULE_PARM_DESC(bufblocks, "number of buffered blocks, default 100"); |
56 | ||
57 | MODULE_DESCRIPTION("v4l2 driver module for SAA6588 RDS decoder"); | |
58 | MODULE_AUTHOR("Hans J. Koch <koch@hjk-az.de>"); | |
59 | ||
60 | MODULE_LICENSE("GPL"); | |
61 | ||
62 | /* ---------------------------------------------------------------------- */ | |
63 | ||
64 | #define UNSET (-1U) | |
65 | #define PREFIX "saa6588: " | |
66 | #define dprintk if (debug) printk | |
67 | ||
68 | struct saa6588 { | |
c3fda7f8 | 69 | struct v4l2_subdev sd; |
fb6991d4 | 70 | struct delayed_work work; |
10b89ee3 MCC |
71 | spinlock_t lock; |
72 | unsigned char *buffer; | |
73 | unsigned int buf_size; | |
74 | unsigned int rd_index; | |
75 | unsigned int wr_index; | |
76 | unsigned int block_count; | |
77 | unsigned char last_blocknum; | |
78 | wait_queue_head_t read_queue; | |
79 | int data_available_for_read; | |
3c86cf7a | 80 | u8 sync; |
10b89ee3 MCC |
81 | }; |
82 | ||
c3fda7f8 HV |
83 | static inline struct saa6588 *to_saa6588(struct v4l2_subdev *sd) |
84 | { | |
85 | return container_of(sd, struct saa6588, sd); | |
86 | } | |
87 | ||
10b89ee3 MCC |
88 | /* ---------------------------------------------------------------------- */ |
89 | ||
90 | /* | |
91 | * SAA6588 defines | |
92 | */ | |
93 | ||
94 | /* Initialization and mode control byte (0w) */ | |
95 | ||
96 | /* bit 0+1 (DAC0/DAC1) */ | |
97 | #define cModeStandard 0x00 | |
98 | #define cModeFastPI 0x01 | |
99 | #define cModeReducedRequest 0x02 | |
100 | #define cModeInvalid 0x03 | |
101 | ||
102 | /* bit 2 (RBDS) */ | |
103 | #define cProcessingModeRDS 0x00 | |
104 | #define cProcessingModeRBDS 0x04 | |
105 | ||
106 | /* bit 3+4 (SYM0/SYM1) */ | |
107 | #define cErrCorrectionNone 0x00 | |
108 | #define cErrCorrection2Bits 0x08 | |
109 | #define cErrCorrection5Bits 0x10 | |
110 | #define cErrCorrectionNoneRBDS 0x18 | |
111 | ||
112 | /* bit 5 (NWSY) */ | |
113 | #define cSyncNormal 0x00 | |
114 | #define cSyncRestart 0x20 | |
115 | ||
116 | /* bit 6 (TSQD) */ | |
117 | #define cSigQualityDetectOFF 0x00 | |
118 | #define cSigQualityDetectON 0x40 | |
119 | ||
120 | /* bit 7 (SQCM) */ | |
121 | #define cSigQualityTriggered 0x00 | |
122 | #define cSigQualityContinous 0x80 | |
123 | ||
124 | /* Pause level and flywheel control byte (1w) */ | |
125 | ||
126 | /* bits 0..5 (FEB0..FEB5) */ | |
127 | #define cFlywheelMaxBlocksMask 0x3F | |
128 | #define cFlywheelDefault 0x20 | |
129 | ||
130 | /* bits 6+7 (PL0/PL1) */ | |
131 | #define cPauseLevel_11mV 0x00 | |
132 | #define cPauseLevel_17mV 0x40 | |
133 | #define cPauseLevel_27mV 0x80 | |
134 | #define cPauseLevel_43mV 0xC0 | |
135 | ||
136 | /* Pause time/oscillator frequency/quality detector control byte (1w) */ | |
137 | ||
138 | /* bits 0..4 (SQS0..SQS4) */ | |
139 | #define cQualityDetectSensMask 0x1F | |
140 | #define cQualityDetectDefault 0x0F | |
141 | ||
142 | /* bit 5 (SOSC) */ | |
143 | #define cSelectOscFreqOFF 0x00 | |
144 | #define cSelectOscFreqON 0x20 | |
145 | ||
146 | /* bit 6+7 (PTF0/PTF1) */ | |
147 | #define cOscFreq_4332kHz 0x00 | |
148 | #define cOscFreq_8664kHz 0x40 | |
149 | #define cOscFreq_12996kHz 0x80 | |
150 | #define cOscFreq_17328kHz 0xC0 | |
151 | ||
152 | /* ---------------------------------------------------------------------- */ | |
153 | ||
ae8aed03 | 154 | static int block_to_user_buf(struct saa6588 *s, unsigned char __user *user_buf) |
10b89ee3 MCC |
155 | { |
156 | int i; | |
157 | ||
158 | if (s->rd_index == s->wr_index) { | |
159 | if (debug > 2) | |
160 | dprintk(PREFIX "Read: buffer empty.\n"); | |
161 | return 0; | |
162 | } | |
163 | ||
164 | if (debug > 2) { | |
165 | dprintk(PREFIX "Read: "); | |
166 | for (i = s->rd_index; i < s->rd_index + 3; i++) | |
167 | dprintk("0x%02x ", s->buffer[i]); | |
168 | } | |
169 | ||
170 | if (copy_to_user(user_buf, &s->buffer[s->rd_index], 3)) | |
171 | return -EFAULT; | |
172 | ||
173 | s->rd_index += 3; | |
174 | if (s->rd_index >= s->buf_size) | |
175 | s->rd_index = 0; | |
176 | s->block_count--; | |
177 | ||
178 | if (debug > 2) | |
179 | dprintk("%d blocks total.\n", s->block_count); | |
180 | ||
181 | return 1; | |
182 | } | |
183 | ||
b9218f2f | 184 | static void read_from_buf(struct saa6588 *s, struct saa6588_command *a) |
10b89ee3 MCC |
185 | { |
186 | unsigned long flags; | |
187 | ||
ae8aed03 | 188 | unsigned char __user *buf_ptr = a->buffer; |
10b89ee3 MCC |
189 | unsigned int i; |
190 | unsigned int rd_blocks; | |
191 | ||
192 | a->result = 0; | |
193 | if (!a->buffer) | |
194 | return; | |
195 | ||
196 | while (!s->data_available_for_read) { | |
197 | int ret = wait_event_interruptible(s->read_queue, | |
198 | s->data_available_for_read); | |
199 | if (ret == -ERESTARTSYS) { | |
200 | a->result = -EINTR; | |
201 | return; | |
202 | } | |
203 | } | |
204 | ||
205 | spin_lock_irqsave(&s->lock, flags); | |
206 | rd_blocks = a->block_count; | |
207 | if (rd_blocks > s->block_count) | |
208 | rd_blocks = s->block_count; | |
209 | ||
a5bbc7d9 IS |
210 | if (!rd_blocks) { |
211 | spin_unlock_irqrestore(&s->lock, flags); | |
10b89ee3 | 212 | return; |
a5bbc7d9 | 213 | } |
10b89ee3 MCC |
214 | |
215 | for (i = 0; i < rd_blocks; i++) { | |
216 | if (block_to_user_buf(s, buf_ptr)) { | |
217 | buf_ptr += 3; | |
218 | a->result++; | |
219 | } else | |
220 | break; | |
221 | } | |
222 | a->result *= 3; | |
223 | s->data_available_for_read = (s->block_count > 0); | |
224 | spin_unlock_irqrestore(&s->lock, flags); | |
225 | } | |
226 | ||
227 | static void block_to_buf(struct saa6588 *s, unsigned char *blockbuf) | |
228 | { | |
229 | unsigned int i; | |
230 | ||
231 | if (debug > 3) | |
232 | dprintk(PREFIX "New block: "); | |
233 | ||
234 | for (i = 0; i < 3; ++i) { | |
235 | if (debug > 3) | |
236 | dprintk("0x%02x ", blockbuf[i]); | |
237 | s->buffer[s->wr_index] = blockbuf[i]; | |
238 | s->wr_index++; | |
239 | } | |
240 | ||
241 | if (s->wr_index >= s->buf_size) | |
242 | s->wr_index = 0; | |
243 | ||
244 | if (s->wr_index == s->rd_index) { | |
6c3d67ab | 245 | s->rd_index += 3; |
10b89ee3 MCC |
246 | if (s->rd_index >= s->buf_size) |
247 | s->rd_index = 0; | |
248 | } else | |
249 | s->block_count++; | |
250 | ||
251 | if (debug > 3) | |
252 | dprintk("%d blocks total.\n", s->block_count); | |
253 | } | |
254 | ||
255 | static void saa6588_i2c_poll(struct saa6588 *s) | |
256 | { | |
c3fda7f8 | 257 | struct i2c_client *client = v4l2_get_subdevdata(&s->sd); |
10b89ee3 MCC |
258 | unsigned long flags; |
259 | unsigned char tmpbuf[6]; | |
260 | unsigned char blocknum; | |
261 | unsigned char tmp; | |
262 | ||
263 | /* Although we only need 3 bytes, we have to read at least 6. | |
3c86cf7a | 264 | SAA6588 returns garbage otherwise. */ |
c3fda7f8 | 265 | if (6 != i2c_master_recv(client, &tmpbuf[0], 6)) { |
10b89ee3 MCC |
266 | if (debug > 1) |
267 | dprintk(PREFIX "read error!\n"); | |
268 | return; | |
269 | } | |
270 | ||
3c86cf7a HV |
271 | s->sync = tmpbuf[0] & 0x10; |
272 | if (!s->sync) | |
273 | return; | |
10b89ee3 MCC |
274 | blocknum = tmpbuf[0] >> 5; |
275 | if (blocknum == s->last_blocknum) { | |
276 | if (debug > 3) | |
277 | dprintk("Saw block %d again.\n", blocknum); | |
278 | return; | |
279 | } | |
280 | ||
281 | s->last_blocknum = blocknum; | |
282 | ||
283 | /* | |
284 | Byte order according to v4l2 specification: | |
285 | ||
286 | Byte 0: Least Significant Byte of RDS Block | |
287 | Byte 1: Most Significant Byte of RDS Block | |
288 | Byte 2 Bit 7: Error bit. Indicates that an uncorrectable error | |
289 | occurred during reception of this block. | |
290 | Bit 6: Corrected bit. Indicates that an error was | |
291 | corrected for this data block. | |
3c86cf7a HV |
292 | Bits 5-3: Same as bits 0-2. |
293 | Bits 2-0: Block number. | |
10b89ee3 MCC |
294 | |
295 | SAA6588 byte order is Status-MSB-LSB, so we have to swap the | |
296 | first and the last of the 3 bytes block. | |
297 | */ | |
298 | ||
299 | tmp = tmpbuf[2]; | |
300 | tmpbuf[2] = tmpbuf[0]; | |
301 | tmpbuf[0] = tmp; | |
302 | ||
3c86cf7a HV |
303 | /* Map 'Invalid block E' to 'Invalid Block' */ |
304 | if (blocknum == 6) | |
305 | blocknum = V4L2_RDS_BLOCK_INVALID; | |
306 | /* And if are not in mmbs mode, then 'Block E' is also mapped | |
307 | to 'Invalid Block'. As far as I can tell MMBS is discontinued, | |
308 | and if there is ever a need to support E blocks, then please | |
309 | contact the linux-media mailinglist. */ | |
310 | else if (!mmbs && blocknum == 5) | |
311 | blocknum = V4L2_RDS_BLOCK_INVALID; | |
10b89ee3 MCC |
312 | tmp = blocknum; |
313 | tmp |= blocknum << 3; /* Received offset == Offset Name (OK ?) */ | |
314 | if ((tmpbuf[2] & 0x03) == 0x03) | |
3c86cf7a | 315 | tmp |= V4L2_RDS_BLOCK_ERROR; /* uncorrectable error */ |
10b89ee3 | 316 | else if ((tmpbuf[2] & 0x03) != 0x00) |
3c86cf7a | 317 | tmp |= V4L2_RDS_BLOCK_CORRECTED; /* corrected error */ |
10b89ee3 MCC |
318 | tmpbuf[2] = tmp; /* Is this enough ? Should we also check other bits ? */ |
319 | ||
320 | spin_lock_irqsave(&s->lock, flags); | |
321 | block_to_buf(s, tmpbuf); | |
322 | spin_unlock_irqrestore(&s->lock, flags); | |
323 | s->data_available_for_read = 1; | |
324 | wake_up_interruptible(&s->read_queue); | |
325 | } | |
326 | ||
c4028958 | 327 | static void saa6588_work(struct work_struct *work) |
10b89ee3 | 328 | { |
fb6991d4 | 329 | struct saa6588 *s = container_of(work, struct saa6588, work.work); |
10b89ee3 MCC |
330 | |
331 | saa6588_i2c_poll(s); | |
fb6991d4 | 332 | schedule_delayed_work(&s->work, msecs_to_jiffies(20)); |
10b89ee3 MCC |
333 | } |
334 | ||
3c86cf7a | 335 | static void saa6588_configure(struct saa6588 *s) |
10b89ee3 | 336 | { |
c3fda7f8 | 337 | struct i2c_client *client = v4l2_get_subdevdata(&s->sd); |
10b89ee3 MCC |
338 | unsigned char buf[3]; |
339 | int rc; | |
340 | ||
341 | buf[0] = cSyncRestart; | |
3c86cf7a | 342 | if (mmbs) |
10b89ee3 MCC |
343 | buf[0] |= cProcessingModeRBDS; |
344 | ||
345 | buf[1] = cFlywheelDefault; | |
346 | switch (plvl) { | |
347 | case 0: | |
348 | buf[1] |= cPauseLevel_11mV; | |
349 | break; | |
350 | case 1: | |
351 | buf[1] |= cPauseLevel_17mV; | |
352 | break; | |
353 | case 2: | |
354 | buf[1] |= cPauseLevel_27mV; | |
355 | break; | |
356 | case 3: | |
357 | buf[1] |= cPauseLevel_43mV; | |
358 | break; | |
359 | default: /* nothing */ | |
360 | break; | |
361 | } | |
362 | ||
363 | buf[2] = cQualityDetectDefault | cSelectOscFreqON; | |
364 | ||
365 | switch (xtal) { | |
366 | case 0: | |
367 | buf[2] |= cOscFreq_4332kHz; | |
368 | break; | |
369 | case 1: | |
370 | buf[2] |= cOscFreq_8664kHz; | |
371 | break; | |
372 | case 2: | |
373 | buf[2] |= cOscFreq_12996kHz; | |
374 | break; | |
375 | case 3: | |
376 | buf[2] |= cOscFreq_17328kHz; | |
377 | break; | |
378 | default: /* nothing */ | |
379 | break; | |
380 | } | |
381 | ||
382 | dprintk(PREFIX "writing: 0w=0x%02x 1w=0x%02x 2w=0x%02x\n", | |
383 | buf[0], buf[1], buf[2]); | |
384 | ||
c3fda7f8 | 385 | rc = i2c_master_send(client, buf, 3); |
b5ffc223 | 386 | if (rc != 3) |
10b89ee3 | 387 | printk(PREFIX "i2c i/o error: rc == %d (should be 3)\n", rc); |
10b89ee3 MCC |
388 | } |
389 | ||
390 | /* ---------------------------------------------------------------------- */ | |
391 | ||
c3fda7f8 HV |
392 | static long saa6588_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) |
393 | { | |
394 | struct saa6588 *s = to_saa6588(sd); | |
b9218f2f | 395 | struct saa6588_command *a = arg; |
c3fda7f8 HV |
396 | |
397 | switch (cmd) { | |
398 | /* --- open() for /dev/radio --- */ | |
b9218f2f | 399 | case SAA6588_CMD_OPEN: |
c3fda7f8 HV |
400 | a->result = 0; /* return error if chip doesn't work ??? */ |
401 | break; | |
402 | /* --- close() for /dev/radio --- */ | |
b9218f2f | 403 | case SAA6588_CMD_CLOSE: |
c3fda7f8 HV |
404 | s->data_available_for_read = 1; |
405 | wake_up_interruptible(&s->read_queue); | |
406 | a->result = 0; | |
407 | break; | |
408 | /* --- read() for /dev/radio --- */ | |
b9218f2f | 409 | case SAA6588_CMD_READ: |
c3fda7f8 HV |
410 | read_from_buf(s, a); |
411 | break; | |
412 | /* --- poll() for /dev/radio --- */ | |
b9218f2f | 413 | case SAA6588_CMD_POLL: |
c3fda7f8 HV |
414 | a->result = 0; |
415 | if (s->data_available_for_read) { | |
416 | a->result |= POLLIN | POLLRDNORM; | |
417 | } | |
418 | poll_wait(a->instance, &s->read_queue, a->event_list); | |
419 | break; | |
420 | ||
421 | default: | |
422 | /* nothing */ | |
423 | return -ENOIOCTLCMD; | |
424 | } | |
425 | return 0; | |
426 | } | |
427 | ||
3c86cf7a HV |
428 | static int saa6588_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
429 | { | |
430 | struct saa6588 *s = to_saa6588(sd); | |
431 | ||
cb0ed222 | 432 | vt->capability |= V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO; |
3c86cf7a HV |
433 | if (s->sync) |
434 | vt->rxsubchans |= V4L2_TUNER_SUB_RDS; | |
435 | return 0; | |
436 | } | |
437 | ||
438 | static int saa6588_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | |
439 | { | |
440 | struct saa6588 *s = to_saa6588(sd); | |
441 | ||
442 | saa6588_configure(s); | |
443 | return 0; | |
444 | } | |
445 | ||
f1f8c907 HV |
446 | static int saa6588_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) |
447 | { | |
448 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
449 | ||
450 | return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SAA6588, 0); | |
451 | } | |
452 | ||
c3fda7f8 HV |
453 | /* ----------------------------------------------------------------------- */ |
454 | ||
455 | static const struct v4l2_subdev_core_ops saa6588_core_ops = { | |
f1f8c907 | 456 | .g_chip_ident = saa6588_g_chip_ident, |
c3fda7f8 HV |
457 | .ioctl = saa6588_ioctl, |
458 | }; | |
459 | ||
3c86cf7a HV |
460 | static const struct v4l2_subdev_tuner_ops saa6588_tuner_ops = { |
461 | .g_tuner = saa6588_g_tuner, | |
462 | .s_tuner = saa6588_s_tuner, | |
463 | }; | |
464 | ||
c3fda7f8 HV |
465 | static const struct v4l2_subdev_ops saa6588_ops = { |
466 | .core = &saa6588_core_ops, | |
3c86cf7a | 467 | .tuner = &saa6588_tuner_ops, |
c3fda7f8 HV |
468 | }; |
469 | ||
470 | /* ---------------------------------------------------------------------- */ | |
471 | ||
b5ffc223 HV |
472 | static int saa6588_probe(struct i2c_client *client, |
473 | const struct i2c_device_id *id) | |
10b89ee3 MCC |
474 | { |
475 | struct saa6588 *s; | |
c3fda7f8 | 476 | struct v4l2_subdev *sd; |
10b89ee3 | 477 | |
b5ffc223 HV |
478 | v4l_info(client, "saa6588 found @ 0x%x (%s)\n", |
479 | client->addr << 1, client->adapter->name); | |
10b89ee3 | 480 | |
b5ffc223 HV |
481 | s = kzalloc(sizeof(*s), GFP_KERNEL); |
482 | if (s == NULL) | |
10b89ee3 MCC |
483 | return -ENOMEM; |
484 | ||
485 | s->buf_size = bufblocks * 3; | |
486 | ||
b5ffc223 HV |
487 | s->buffer = kmalloc(s->buf_size, GFP_KERNEL); |
488 | if (s->buffer == NULL) { | |
10b89ee3 MCC |
489 | kfree(s); |
490 | return -ENOMEM; | |
491 | } | |
c3fda7f8 HV |
492 | sd = &s->sd; |
493 | v4l2_i2c_subdev_init(sd, client, &saa6588_ops); | |
588005e1 | 494 | spin_lock_init(&s->lock); |
10b89ee3 MCC |
495 | s->block_count = 0; |
496 | s->wr_index = 0; | |
497 | s->rd_index = 0; | |
498 | s->last_blocknum = 0xff; | |
499 | init_waitqueue_head(&s->read_queue); | |
500 | s->data_available_for_read = 0; | |
10b89ee3 MCC |
501 | |
502 | saa6588_configure(s); | |
503 | ||
504 | /* start polling via eventd */ | |
fb6991d4 JD |
505 | INIT_DELAYED_WORK(&s->work, saa6588_work); |
506 | schedule_delayed_work(&s->work, 0); | |
10b89ee3 MCC |
507 | return 0; |
508 | } | |
509 | ||
b5ffc223 | 510 | static int saa6588_remove(struct i2c_client *client) |
10b89ee3 | 511 | { |
c3fda7f8 HV |
512 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
513 | struct saa6588 *s = to_saa6588(sd); | |
514 | ||
515 | v4l2_device_unregister_subdev(sd); | |
10b89ee3 | 516 | |
fb6991d4 | 517 | cancel_delayed_work_sync(&s->work); |
10b89ee3 | 518 | |
10b89ee3 MCC |
519 | kfree(s->buffer); |
520 | kfree(s); | |
521 | return 0; | |
522 | } | |
523 | ||
10b89ee3 MCC |
524 | /* ----------------------------------------------------------------------- */ |
525 | ||
b5ffc223 HV |
526 | static const struct i2c_device_id saa6588_id[] = { |
527 | { "saa6588", 0 }, | |
528 | { } | |
10b89ee3 | 529 | }; |
b5ffc223 | 530 | MODULE_DEVICE_TABLE(i2c, saa6588_id); |
10b89ee3 | 531 | |
440d0516 HV |
532 | static struct i2c_driver saa6588_driver = { |
533 | .driver = { | |
534 | .owner = THIS_MODULE, | |
535 | .name = "saa6588", | |
536 | }, | |
537 | .probe = saa6588_probe, | |
538 | .remove = saa6588_remove, | |
539 | .id_table = saa6588_id, | |
10b89ee3 | 540 | }; |
440d0516 | 541 | |
c6e8d86f | 542 | module_i2c_driver(saa6588_driver); |