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Commit | Line | Data |
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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> | |
7c0f6ba6 | 32 | #include <linux/uaccess.h> |
10b89ee3 | 33 | |
b5dcee22 | 34 | #include <media/i2c/saa6588.h> |
c3fda7f8 | 35 | #include <media/v4l2-device.h> |
10b89ee3 | 36 | |
10b89ee3 MCC |
37 | |
38 | /* insmod options */ | |
ff699e6b DSL |
39 | static unsigned int debug; |
40 | static unsigned int xtal; | |
3c86cf7a | 41 | static unsigned int mmbs; |
ff699e6b | 42 | static unsigned int plvl; |
10b89ee3 MCC |
43 | static unsigned int bufblocks = 100; |
44 | ||
9b565eb7 | 45 | module_param(debug, int, 0644); |
10b89ee3 | 46 | MODULE_PARM_DESC(debug, "enable debug messages"); |
9b565eb7 | 47 | module_param(xtal, int, 0); |
10b89ee3 | 48 | MODULE_PARM_DESC(xtal, "select oscillator frequency (0..3), default 0"); |
3c86cf7a HV |
49 | module_param(mmbs, int, 0); |
50 | MODULE_PARM_DESC(mmbs, "enable MMBS mode: 0=off (default), 1=on"); | |
9b565eb7 | 51 | module_param(plvl, int, 0); |
10b89ee3 | 52 | MODULE_PARM_DESC(plvl, "select pause level (0..3), default 0"); |
9b565eb7 | 53 | module_param(bufblocks, int, 0); |
10b89ee3 MCC |
54 | MODULE_PARM_DESC(bufblocks, "number of buffered blocks, default 100"); |
55 | ||
56 | MODULE_DESCRIPTION("v4l2 driver module for SAA6588 RDS decoder"); | |
57 | MODULE_AUTHOR("Hans J. Koch <koch@hjk-az.de>"); | |
58 | ||
59 | MODULE_LICENSE("GPL"); | |
60 | ||
61 | /* ---------------------------------------------------------------------- */ | |
62 | ||
63 | #define UNSET (-1U) | |
64 | #define PREFIX "saa6588: " | |
65 | #define dprintk if (debug) printk | |
66 | ||
67 | struct saa6588 { | |
c3fda7f8 | 68 | struct v4l2_subdev sd; |
fb6991d4 | 69 | struct delayed_work work; |
10b89ee3 MCC |
70 | spinlock_t lock; |
71 | unsigned char *buffer; | |
72 | unsigned int buf_size; | |
73 | unsigned int rd_index; | |
74 | unsigned int wr_index; | |
75 | unsigned int block_count; | |
76 | unsigned char last_blocknum; | |
77 | wait_queue_head_t read_queue; | |
78 | int data_available_for_read; | |
3c86cf7a | 79 | u8 sync; |
10b89ee3 MCC |
80 | }; |
81 | ||
c3fda7f8 HV |
82 | static inline struct saa6588 *to_saa6588(struct v4l2_subdev *sd) |
83 | { | |
84 | return container_of(sd, struct saa6588, sd); | |
85 | } | |
86 | ||
10b89ee3 MCC |
87 | /* ---------------------------------------------------------------------- */ |
88 | ||
89 | /* | |
90 | * SAA6588 defines | |
91 | */ | |
92 | ||
93 | /* Initialization and mode control byte (0w) */ | |
94 | ||
95 | /* bit 0+1 (DAC0/DAC1) */ | |
96 | #define cModeStandard 0x00 | |
97 | #define cModeFastPI 0x01 | |
98 | #define cModeReducedRequest 0x02 | |
99 | #define cModeInvalid 0x03 | |
100 | ||
101 | /* bit 2 (RBDS) */ | |
102 | #define cProcessingModeRDS 0x00 | |
103 | #define cProcessingModeRBDS 0x04 | |
104 | ||
105 | /* bit 3+4 (SYM0/SYM1) */ | |
106 | #define cErrCorrectionNone 0x00 | |
107 | #define cErrCorrection2Bits 0x08 | |
108 | #define cErrCorrection5Bits 0x10 | |
109 | #define cErrCorrectionNoneRBDS 0x18 | |
110 | ||
111 | /* bit 5 (NWSY) */ | |
112 | #define cSyncNormal 0x00 | |
113 | #define cSyncRestart 0x20 | |
114 | ||
115 | /* bit 6 (TSQD) */ | |
116 | #define cSigQualityDetectOFF 0x00 | |
117 | #define cSigQualityDetectON 0x40 | |
118 | ||
119 | /* bit 7 (SQCM) */ | |
120 | #define cSigQualityTriggered 0x00 | |
121 | #define cSigQualityContinous 0x80 | |
122 | ||
123 | /* Pause level and flywheel control byte (1w) */ | |
124 | ||
125 | /* bits 0..5 (FEB0..FEB5) */ | |
126 | #define cFlywheelMaxBlocksMask 0x3F | |
127 | #define cFlywheelDefault 0x20 | |
128 | ||
129 | /* bits 6+7 (PL0/PL1) */ | |
130 | #define cPauseLevel_11mV 0x00 | |
131 | #define cPauseLevel_17mV 0x40 | |
132 | #define cPauseLevel_27mV 0x80 | |
133 | #define cPauseLevel_43mV 0xC0 | |
134 | ||
135 | /* Pause time/oscillator frequency/quality detector control byte (1w) */ | |
136 | ||
137 | /* bits 0..4 (SQS0..SQS4) */ | |
138 | #define cQualityDetectSensMask 0x1F | |
139 | #define cQualityDetectDefault 0x0F | |
140 | ||
141 | /* bit 5 (SOSC) */ | |
142 | #define cSelectOscFreqOFF 0x00 | |
143 | #define cSelectOscFreqON 0x20 | |
144 | ||
145 | /* bit 6+7 (PTF0/PTF1) */ | |
146 | #define cOscFreq_4332kHz 0x00 | |
147 | #define cOscFreq_8664kHz 0x40 | |
148 | #define cOscFreq_12996kHz 0x80 | |
149 | #define cOscFreq_17328kHz 0xC0 | |
150 | ||
151 | /* ---------------------------------------------------------------------- */ | |
152 | ||
09092787 | 153 | static bool block_from_buf(struct saa6588 *s, unsigned char *buf) |
10b89ee3 MCC |
154 | { |
155 | int i; | |
156 | ||
157 | if (s->rd_index == s->wr_index) { | |
158 | if (debug > 2) | |
159 | dprintk(PREFIX "Read: buffer empty.\n"); | |
09092787 | 160 | return false; |
10b89ee3 MCC |
161 | } |
162 | ||
163 | if (debug > 2) { | |
164 | dprintk(PREFIX "Read: "); | |
165 | for (i = s->rd_index; i < s->rd_index + 3; i++) | |
166 | dprintk("0x%02x ", s->buffer[i]); | |
167 | } | |
168 | ||
09092787 | 169 | memcpy(buf, &s->buffer[s->rd_index], 3); |
10b89ee3 MCC |
170 | |
171 | s->rd_index += 3; | |
172 | if (s->rd_index >= s->buf_size) | |
173 | s->rd_index = 0; | |
174 | s->block_count--; | |
175 | ||
176 | if (debug > 2) | |
177 | dprintk("%d blocks total.\n", s->block_count); | |
178 | ||
09092787 | 179 | return true; |
10b89ee3 MCC |
180 | } |
181 | ||
b9218f2f | 182 | static void read_from_buf(struct saa6588 *s, struct saa6588_command *a) |
10b89ee3 | 183 | { |
ae8aed03 | 184 | unsigned char __user *buf_ptr = a->buffer; |
09092787 HV |
185 | unsigned char buf[3]; |
186 | unsigned long flags; | |
10b89ee3 | 187 | unsigned int rd_blocks; |
09092787 | 188 | unsigned int i; |
10b89ee3 MCC |
189 | |
190 | a->result = 0; | |
191 | if (!a->buffer) | |
192 | return; | |
193 | ||
09092787 | 194 | while (!a->nonblocking && !s->data_available_for_read) { |
10b89ee3 MCC |
195 | int ret = wait_event_interruptible(s->read_queue, |
196 | s->data_available_for_read); | |
197 | if (ret == -ERESTARTSYS) { | |
198 | a->result = -EINTR; | |
199 | return; | |
200 | } | |
201 | } | |
202 | ||
10b89ee3 | 203 | rd_blocks = a->block_count; |
09092787 | 204 | spin_lock_irqsave(&s->lock, flags); |
10b89ee3 MCC |
205 | if (rd_blocks > s->block_count) |
206 | rd_blocks = s->block_count; | |
09092787 | 207 | spin_unlock_irqrestore(&s->lock, flags); |
10b89ee3 | 208 | |
09092787 | 209 | if (!rd_blocks) |
10b89ee3 MCC |
210 | return; |
211 | ||
212 | for (i = 0; i < rd_blocks; i++) { | |
09092787 HV |
213 | bool got_block; |
214 | ||
215 | spin_lock_irqsave(&s->lock, flags); | |
216 | got_block = block_from_buf(s, buf); | |
217 | spin_unlock_irqrestore(&s->lock, flags); | |
218 | if (!got_block) | |
10b89ee3 | 219 | break; |
09092787 HV |
220 | if (copy_to_user(buf_ptr, buf, 3)) { |
221 | a->result = -EFAULT; | |
222 | return; | |
223 | } | |
224 | buf_ptr += 3; | |
225 | a->result += 3; | |
10b89ee3 | 226 | } |
09092787 | 227 | spin_lock_irqsave(&s->lock, flags); |
10b89ee3 MCC |
228 | s->data_available_for_read = (s->block_count > 0); |
229 | spin_unlock_irqrestore(&s->lock, flags); | |
230 | } | |
231 | ||
232 | static void block_to_buf(struct saa6588 *s, unsigned char *blockbuf) | |
233 | { | |
234 | unsigned int i; | |
235 | ||
236 | if (debug > 3) | |
237 | dprintk(PREFIX "New block: "); | |
238 | ||
239 | for (i = 0; i < 3; ++i) { | |
240 | if (debug > 3) | |
241 | dprintk("0x%02x ", blockbuf[i]); | |
242 | s->buffer[s->wr_index] = blockbuf[i]; | |
243 | s->wr_index++; | |
244 | } | |
245 | ||
246 | if (s->wr_index >= s->buf_size) | |
247 | s->wr_index = 0; | |
248 | ||
249 | if (s->wr_index == s->rd_index) { | |
6c3d67ab | 250 | s->rd_index += 3; |
10b89ee3 MCC |
251 | if (s->rd_index >= s->buf_size) |
252 | s->rd_index = 0; | |
253 | } else | |
254 | s->block_count++; | |
255 | ||
256 | if (debug > 3) | |
257 | dprintk("%d blocks total.\n", s->block_count); | |
258 | } | |
259 | ||
260 | static void saa6588_i2c_poll(struct saa6588 *s) | |
261 | { | |
c3fda7f8 | 262 | struct i2c_client *client = v4l2_get_subdevdata(&s->sd); |
10b89ee3 MCC |
263 | unsigned long flags; |
264 | unsigned char tmpbuf[6]; | |
265 | unsigned char blocknum; | |
266 | unsigned char tmp; | |
267 | ||
268 | /* Although we only need 3 bytes, we have to read at least 6. | |
3c86cf7a | 269 | SAA6588 returns garbage otherwise. */ |
c3fda7f8 | 270 | if (6 != i2c_master_recv(client, &tmpbuf[0], 6)) { |
10b89ee3 MCC |
271 | if (debug > 1) |
272 | dprintk(PREFIX "read error!\n"); | |
273 | return; | |
274 | } | |
275 | ||
3c86cf7a HV |
276 | s->sync = tmpbuf[0] & 0x10; |
277 | if (!s->sync) | |
278 | return; | |
10b89ee3 MCC |
279 | blocknum = tmpbuf[0] >> 5; |
280 | if (blocknum == s->last_blocknum) { | |
281 | if (debug > 3) | |
282 | dprintk("Saw block %d again.\n", blocknum); | |
283 | return; | |
284 | } | |
285 | ||
286 | s->last_blocknum = blocknum; | |
287 | ||
288 | /* | |
289 | Byte order according to v4l2 specification: | |
290 | ||
291 | Byte 0: Least Significant Byte of RDS Block | |
292 | Byte 1: Most Significant Byte of RDS Block | |
293 | Byte 2 Bit 7: Error bit. Indicates that an uncorrectable error | |
294 | occurred during reception of this block. | |
295 | Bit 6: Corrected bit. Indicates that an error was | |
296 | corrected for this data block. | |
3c86cf7a HV |
297 | Bits 5-3: Same as bits 0-2. |
298 | Bits 2-0: Block number. | |
10b89ee3 MCC |
299 | |
300 | SAA6588 byte order is Status-MSB-LSB, so we have to swap the | |
301 | first and the last of the 3 bytes block. | |
302 | */ | |
303 | ||
f47c183c | 304 | swap(tmpbuf[2], tmpbuf[0]); |
10b89ee3 | 305 | |
3c86cf7a HV |
306 | /* Map 'Invalid block E' to 'Invalid Block' */ |
307 | if (blocknum == 6) | |
308 | blocknum = V4L2_RDS_BLOCK_INVALID; | |
309 | /* And if are not in mmbs mode, then 'Block E' is also mapped | |
310 | to 'Invalid Block'. As far as I can tell MMBS is discontinued, | |
311 | and if there is ever a need to support E blocks, then please | |
312 | contact the linux-media mailinglist. */ | |
313 | else if (!mmbs && blocknum == 5) | |
314 | blocknum = V4L2_RDS_BLOCK_INVALID; | |
10b89ee3 MCC |
315 | tmp = blocknum; |
316 | tmp |= blocknum << 3; /* Received offset == Offset Name (OK ?) */ | |
317 | if ((tmpbuf[2] & 0x03) == 0x03) | |
3c86cf7a | 318 | tmp |= V4L2_RDS_BLOCK_ERROR; /* uncorrectable error */ |
10b89ee3 | 319 | else if ((tmpbuf[2] & 0x03) != 0x00) |
3c86cf7a | 320 | tmp |= V4L2_RDS_BLOCK_CORRECTED; /* corrected error */ |
10b89ee3 MCC |
321 | tmpbuf[2] = tmp; /* Is this enough ? Should we also check other bits ? */ |
322 | ||
323 | spin_lock_irqsave(&s->lock, flags); | |
324 | block_to_buf(s, tmpbuf); | |
325 | spin_unlock_irqrestore(&s->lock, flags); | |
326 | s->data_available_for_read = 1; | |
327 | wake_up_interruptible(&s->read_queue); | |
328 | } | |
329 | ||
c4028958 | 330 | static void saa6588_work(struct work_struct *work) |
10b89ee3 | 331 | { |
fb6991d4 | 332 | struct saa6588 *s = container_of(work, struct saa6588, work.work); |
10b89ee3 MCC |
333 | |
334 | saa6588_i2c_poll(s); | |
fb6991d4 | 335 | schedule_delayed_work(&s->work, msecs_to_jiffies(20)); |
10b89ee3 MCC |
336 | } |
337 | ||
3c86cf7a | 338 | static void saa6588_configure(struct saa6588 *s) |
10b89ee3 | 339 | { |
c3fda7f8 | 340 | struct i2c_client *client = v4l2_get_subdevdata(&s->sd); |
10b89ee3 MCC |
341 | unsigned char buf[3]; |
342 | int rc; | |
343 | ||
344 | buf[0] = cSyncRestart; | |
3c86cf7a | 345 | if (mmbs) |
10b89ee3 MCC |
346 | buf[0] |= cProcessingModeRBDS; |
347 | ||
348 | buf[1] = cFlywheelDefault; | |
349 | switch (plvl) { | |
350 | case 0: | |
351 | buf[1] |= cPauseLevel_11mV; | |
352 | break; | |
353 | case 1: | |
354 | buf[1] |= cPauseLevel_17mV; | |
355 | break; | |
356 | case 2: | |
357 | buf[1] |= cPauseLevel_27mV; | |
358 | break; | |
359 | case 3: | |
360 | buf[1] |= cPauseLevel_43mV; | |
361 | break; | |
362 | default: /* nothing */ | |
363 | break; | |
364 | } | |
365 | ||
366 | buf[2] = cQualityDetectDefault | cSelectOscFreqON; | |
367 | ||
368 | switch (xtal) { | |
369 | case 0: | |
370 | buf[2] |= cOscFreq_4332kHz; | |
371 | break; | |
372 | case 1: | |
373 | buf[2] |= cOscFreq_8664kHz; | |
374 | break; | |
375 | case 2: | |
376 | buf[2] |= cOscFreq_12996kHz; | |
377 | break; | |
378 | case 3: | |
379 | buf[2] |= cOscFreq_17328kHz; | |
380 | break; | |
381 | default: /* nothing */ | |
382 | break; | |
383 | } | |
384 | ||
385 | dprintk(PREFIX "writing: 0w=0x%02x 1w=0x%02x 2w=0x%02x\n", | |
386 | buf[0], buf[1], buf[2]); | |
387 | ||
c3fda7f8 | 388 | rc = i2c_master_send(client, buf, 3); |
b5ffc223 | 389 | if (rc != 3) |
10b89ee3 | 390 | printk(PREFIX "i2c i/o error: rc == %d (should be 3)\n", rc); |
10b89ee3 MCC |
391 | } |
392 | ||
393 | /* ---------------------------------------------------------------------- */ | |
394 | ||
c3fda7f8 HV |
395 | static long saa6588_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) |
396 | { | |
397 | struct saa6588 *s = to_saa6588(sd); | |
b9218f2f | 398 | struct saa6588_command *a = arg; |
c3fda7f8 HV |
399 | |
400 | switch (cmd) { | |
c3fda7f8 | 401 | /* --- close() for /dev/radio --- */ |
b9218f2f | 402 | case SAA6588_CMD_CLOSE: |
c3fda7f8 HV |
403 | s->data_available_for_read = 1; |
404 | wake_up_interruptible(&s->read_queue); | |
af2c5deb | 405 | s->data_available_for_read = 0; |
c3fda7f8 HV |
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 | 414 | a->result = 0; |
09092787 | 415 | if (s->data_available_for_read) |
c3fda7f8 | 416 | a->result |= POLLIN | POLLRDNORM; |
c3fda7f8 HV |
417 | poll_wait(a->instance, &s->read_queue, a->event_list); |
418 | break; | |
419 | ||
420 | default: | |
421 | /* nothing */ | |
422 | return -ENOIOCTLCMD; | |
423 | } | |
424 | return 0; | |
425 | } | |
426 | ||
3c86cf7a HV |
427 | static int saa6588_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
428 | { | |
429 | struct saa6588 *s = to_saa6588(sd); | |
430 | ||
cb0ed222 | 431 | vt->capability |= V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO; |
3c86cf7a HV |
432 | if (s->sync) |
433 | vt->rxsubchans |= V4L2_TUNER_SUB_RDS; | |
434 | return 0; | |
435 | } | |
436 | ||
2f73c7c5 | 437 | static int saa6588_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt) |
3c86cf7a HV |
438 | { |
439 | struct saa6588 *s = to_saa6588(sd); | |
440 | ||
441 | saa6588_configure(s); | |
442 | return 0; | |
443 | } | |
444 | ||
c3fda7f8 HV |
445 | /* ----------------------------------------------------------------------- */ |
446 | ||
447 | static const struct v4l2_subdev_core_ops saa6588_core_ops = { | |
448 | .ioctl = saa6588_ioctl, | |
449 | }; | |
450 | ||
3c86cf7a HV |
451 | static const struct v4l2_subdev_tuner_ops saa6588_tuner_ops = { |
452 | .g_tuner = saa6588_g_tuner, | |
453 | .s_tuner = saa6588_s_tuner, | |
454 | }; | |
455 | ||
c3fda7f8 HV |
456 | static const struct v4l2_subdev_ops saa6588_ops = { |
457 | .core = &saa6588_core_ops, | |
3c86cf7a | 458 | .tuner = &saa6588_tuner_ops, |
c3fda7f8 HV |
459 | }; |
460 | ||
461 | /* ---------------------------------------------------------------------- */ | |
462 | ||
b5ffc223 HV |
463 | static int saa6588_probe(struct i2c_client *client, |
464 | const struct i2c_device_id *id) | |
10b89ee3 MCC |
465 | { |
466 | struct saa6588 *s; | |
c3fda7f8 | 467 | struct v4l2_subdev *sd; |
10b89ee3 | 468 | |
b5ffc223 HV |
469 | v4l_info(client, "saa6588 found @ 0x%x (%s)\n", |
470 | client->addr << 1, client->adapter->name); | |
10b89ee3 | 471 | |
c02b211d | 472 | s = devm_kzalloc(&client->dev, sizeof(*s), GFP_KERNEL); |
b5ffc223 | 473 | if (s == NULL) |
10b89ee3 MCC |
474 | return -ENOMEM; |
475 | ||
476 | s->buf_size = bufblocks * 3; | |
477 | ||
c02b211d LP |
478 | s->buffer = devm_kzalloc(&client->dev, s->buf_size, GFP_KERNEL); |
479 | if (s->buffer == NULL) | |
10b89ee3 | 480 | return -ENOMEM; |
c3fda7f8 HV |
481 | sd = &s->sd; |
482 | v4l2_i2c_subdev_init(sd, client, &saa6588_ops); | |
588005e1 | 483 | spin_lock_init(&s->lock); |
10b89ee3 MCC |
484 | s->block_count = 0; |
485 | s->wr_index = 0; | |
486 | s->rd_index = 0; | |
487 | s->last_blocknum = 0xff; | |
488 | init_waitqueue_head(&s->read_queue); | |
489 | s->data_available_for_read = 0; | |
10b89ee3 MCC |
490 | |
491 | saa6588_configure(s); | |
492 | ||
493 | /* start polling via eventd */ | |
fb6991d4 JD |
494 | INIT_DELAYED_WORK(&s->work, saa6588_work); |
495 | schedule_delayed_work(&s->work, 0); | |
10b89ee3 MCC |
496 | return 0; |
497 | } | |
498 | ||
b5ffc223 | 499 | static int saa6588_remove(struct i2c_client *client) |
10b89ee3 | 500 | { |
c3fda7f8 HV |
501 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
502 | struct saa6588 *s = to_saa6588(sd); | |
503 | ||
504 | v4l2_device_unregister_subdev(sd); | |
10b89ee3 | 505 | |
fb6991d4 | 506 | cancel_delayed_work_sync(&s->work); |
10b89ee3 | 507 | |
10b89ee3 MCC |
508 | return 0; |
509 | } | |
510 | ||
10b89ee3 MCC |
511 | /* ----------------------------------------------------------------------- */ |
512 | ||
b5ffc223 HV |
513 | static const struct i2c_device_id saa6588_id[] = { |
514 | { "saa6588", 0 }, | |
515 | { } | |
10b89ee3 | 516 | }; |
b5ffc223 | 517 | MODULE_DEVICE_TABLE(i2c, saa6588_id); |
10b89ee3 | 518 | |
440d0516 HV |
519 | static struct i2c_driver saa6588_driver = { |
520 | .driver = { | |
440d0516 HV |
521 | .name = "saa6588", |
522 | }, | |
523 | .probe = saa6588_probe, | |
524 | .remove = saa6588_remove, | |
525 | .id_table = saa6588_id, | |
10b89ee3 | 526 | }; |
440d0516 | 527 | |
c6e8d86f | 528 | module_i2c_driver(saa6588_driver); |