1
2
3
4
5#include <linux/module.h>
6#include <linux/mod_devicetable.h>
7#include <linux/kernel.h>
8#include <linux/init.h>
9#include <linux/ctype.h>
10#include <linux/delay.h>
11#include <linux/device.h>
12#include <linux/interrupt.h>
13#include <linux/platform_device.h>
14#include <linux/videodev2.h>
15#include <linux/slab.h>
16
17#ifdef CONFIG_ARCH_DAVINCI
18#include <mach/hardware.h>
19#include <mach/mux.h>
20#endif
21
22#include <linux/platform_data/i2c-davinci.h>
23
24#include <linux/io.h>
25
26#include <media/davinci/vpbe_types.h>
27#include <media/davinci/vpbe_venc.h>
28#include <media/davinci/vpss.h>
29#include <media/v4l2-device.h>
30
31#include "vpbe_venc_regs.h"
32
33#define MODULE_NAME "davinci-vpbe-venc"
34
35static const struct platform_device_id vpbe_venc_devtype[] = {
36 {
37 .name = DM644X_VPBE_VENC_SUBDEV_NAME,
38 .driver_data = VPBE_VERSION_1,
39 }, {
40 .name = DM365_VPBE_VENC_SUBDEV_NAME,
41 .driver_data = VPBE_VERSION_2,
42 }, {
43 .name = DM355_VPBE_VENC_SUBDEV_NAME,
44 .driver_data = VPBE_VERSION_3,
45 },
46 {
47
48 }
49};
50
51MODULE_DEVICE_TABLE(platform, vpbe_venc_devtype);
52
53static int debug = 2;
54module_param(debug, int, 0644);
55MODULE_PARM_DESC(debug, "Debug level 0-2");
56
57struct venc_state {
58 struct v4l2_subdev sd;
59 struct venc_callback *callback;
60 struct venc_platform_data *pdata;
61 struct device *pdev;
62 u32 output;
63 v4l2_std_id std;
64 spinlock_t lock;
65 void __iomem *venc_base;
66 void __iomem *vdaccfg_reg;
67 enum vpbe_version venc_type;
68};
69
70static inline struct venc_state *to_state(struct v4l2_subdev *sd)
71{
72 return container_of(sd, struct venc_state, sd);
73}
74
75static inline u32 venc_read(struct v4l2_subdev *sd, u32 offset)
76{
77 struct venc_state *venc = to_state(sd);
78
79 return readl(venc->venc_base + offset);
80}
81
82static inline u32 venc_write(struct v4l2_subdev *sd, u32 offset, u32 val)
83{
84 struct venc_state *venc = to_state(sd);
85
86 writel(val, (venc->venc_base + offset));
87
88 return val;
89}
90
91static inline u32 venc_modify(struct v4l2_subdev *sd, u32 offset,
92 u32 val, u32 mask)
93{
94 u32 new_val = (venc_read(sd, offset) & ~mask) | (val & mask);
95
96 venc_write(sd, offset, new_val);
97
98 return new_val;
99}
100
101static inline u32 vdaccfg_write(struct v4l2_subdev *sd, u32 val)
102{
103 struct venc_state *venc = to_state(sd);
104
105 writel(val, venc->vdaccfg_reg);
106
107 val = readl(venc->vdaccfg_reg);
108
109 return val;
110}
111
112#define VDAC_COMPONENT 0x543
113#define VDAC_S_VIDEO 0x210
114
115
116static int venc_set_dac(struct v4l2_subdev *sd, u32 out_index)
117{
118 switch (out_index) {
119 case 0:
120 v4l2_dbg(debug, 1, sd, "Setting output to Composite\n");
121 venc_write(sd, VENC_DACSEL, 0);
122 break;
123 case 1:
124 v4l2_dbg(debug, 1, sd, "Setting output to Component\n");
125 venc_write(sd, VENC_DACSEL, VDAC_COMPONENT);
126 break;
127 case 2:
128 v4l2_dbg(debug, 1, sd, "Setting output to S-video\n");
129 venc_write(sd, VENC_DACSEL, VDAC_S_VIDEO);
130 break;
131 default:
132 return -EINVAL;
133 }
134
135 return 0;
136}
137
138static void venc_enabledigitaloutput(struct v4l2_subdev *sd, int benable)
139{
140 struct venc_state *venc = to_state(sd);
141
142 v4l2_dbg(debug, 2, sd, "venc_enabledigitaloutput\n");
143
144 if (benable) {
145 venc_write(sd, VENC_VMOD, 0);
146 venc_write(sd, VENC_CVBS, 0);
147 venc_write(sd, VENC_LCDOUT, 0);
148 venc_write(sd, VENC_HSPLS, 0);
149 venc_write(sd, VENC_HSTART, 0);
150 venc_write(sd, VENC_HVALID, 0);
151 venc_write(sd, VENC_HINT, 0);
152 venc_write(sd, VENC_VSPLS, 0);
153 venc_write(sd, VENC_VSTART, 0);
154 venc_write(sd, VENC_VVALID, 0);
155 venc_write(sd, VENC_VINT, 0);
156 venc_write(sd, VENC_YCCCTL, 0);
157 venc_write(sd, VENC_DACSEL, 0);
158
159 } else {
160 venc_write(sd, VENC_VMOD, 0);
161
162 venc_write(sd, VENC_VIDCTL, 0x141);
163
164
165 venc_write(sd, VENC_SYNCCTL, 0);
166
167
168 venc_write(sd, VENC_DCLKCTL, 0);
169 venc_write(sd, VENC_DRGBX1, 0x0000057C);
170
171
172 venc_write(sd, VENC_LCDOUT, 0);
173 if (venc->venc_type != VPBE_VERSION_3)
174 venc_write(sd, VENC_CMPNT, 0x100);
175 venc_write(sd, VENC_HSPLS, 0);
176 venc_write(sd, VENC_HINT, 0);
177 venc_write(sd, VENC_HSTART, 0);
178 venc_write(sd, VENC_HVALID, 0);
179
180 venc_write(sd, VENC_VSPLS, 0);
181 venc_write(sd, VENC_VINT, 0);
182 venc_write(sd, VENC_VSTART, 0);
183 venc_write(sd, VENC_VVALID, 0);
184
185 venc_write(sd, VENC_HSDLY, 0);
186 venc_write(sd, VENC_VSDLY, 0);
187
188 venc_write(sd, VENC_YCCCTL, 0);
189 venc_write(sd, VENC_VSTARTA, 0);
190
191
192 venc_write(sd, VENC_OSDCLK0, 1);
193 venc_write(sd, VENC_OSDCLK1, 2);
194 }
195}
196
197static void
198venc_enable_vpss_clock(int venc_type,
199 enum vpbe_enc_timings_type type,
200 unsigned int pclock)
201{
202 if (venc_type == VPBE_VERSION_1)
203 return;
204
205 if (venc_type == VPBE_VERSION_2 && (type == VPBE_ENC_STD || (type ==
206 VPBE_ENC_DV_TIMINGS && pclock <= 27000000))) {
207 vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1);
208 vpss_enable_clock(VPSS_VPBE_CLOCK, 1);
209 return;
210 }
211
212 if (venc_type == VPBE_VERSION_3 && type == VPBE_ENC_STD)
213 vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 0);
214}
215
216#define VDAC_CONFIG_SD_V3 0x0E21A6B6
217#define VDAC_CONFIG_SD_V2 0x081141CF
218
219
220
221static int venc_set_ntsc(struct v4l2_subdev *sd)
222{
223 struct venc_state *venc = to_state(sd);
224 struct venc_platform_data *pdata = venc->pdata;
225
226 v4l2_dbg(debug, 2, sd, "venc_set_ntsc\n");
227
228
229 vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1);
230 if (pdata->setup_clock(VPBE_ENC_STD, V4L2_STD_525_60) < 0)
231 return -EINVAL;
232
233 venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_STD, V4L2_STD_525_60);
234 venc_enabledigitaloutput(sd, 0);
235
236 if (venc->venc_type == VPBE_VERSION_3) {
237 venc_write(sd, VENC_CLKCTL, 0x01);
238 venc_write(sd, VENC_VIDCTL, 0);
239 vdaccfg_write(sd, VDAC_CONFIG_SD_V3);
240 } else if (venc->venc_type == VPBE_VERSION_2) {
241 venc_write(sd, VENC_CLKCTL, 0x01);
242 venc_write(sd, VENC_VIDCTL, 0);
243 vdaccfg_write(sd, VDAC_CONFIG_SD_V2);
244 } else {
245
246 venc_modify(sd, VENC_VIDCTL, 0, 1 << 1);
247
248 venc_write(sd, VENC_YCCCTL, 0x1);
249 venc_modify(sd, VENC_VDPRO, 0, VENC_VDPRO_DAFRQ);
250 venc_modify(sd, VENC_VDPRO, 0, VENC_VDPRO_DAUPS);
251 }
252
253 venc_write(sd, VENC_VMOD, 0);
254 venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
255 VENC_VMOD_VIE);
256 venc_modify(sd, VENC_VMOD, (0 << VENC_VMOD_VMD), VENC_VMOD_VMD);
257 venc_modify(sd, VENC_VMOD, (0 << VENC_VMOD_TVTYP_SHIFT),
258 VENC_VMOD_TVTYP);
259 venc_write(sd, VENC_DACTST, 0x0);
260 venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
261
262 return 0;
263}
264
265
266
267
268static int venc_set_pal(struct v4l2_subdev *sd)
269{
270 struct venc_state *venc = to_state(sd);
271
272 v4l2_dbg(debug, 2, sd, "venc_set_pal\n");
273
274
275 vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1);
276 if (venc->pdata->setup_clock(VPBE_ENC_STD, V4L2_STD_625_50) < 0)
277 return -EINVAL;
278
279 venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_STD, V4L2_STD_625_50);
280 venc_enabledigitaloutput(sd, 0);
281
282 if (venc->venc_type == VPBE_VERSION_3) {
283 venc_write(sd, VENC_CLKCTL, 0x1);
284 venc_write(sd, VENC_VIDCTL, 0);
285 vdaccfg_write(sd, VDAC_CONFIG_SD_V3);
286 } else if (venc->venc_type == VPBE_VERSION_2) {
287 venc_write(sd, VENC_CLKCTL, 0x1);
288 venc_write(sd, VENC_VIDCTL, 0);
289 vdaccfg_write(sd, VDAC_CONFIG_SD_V2);
290 } else {
291
292 venc_modify(sd, VENC_VIDCTL, 0, 1 << 1);
293
294 venc_write(sd, VENC_YCCCTL, 0x1);
295 }
296
297 venc_modify(sd, VENC_SYNCCTL, 1 << VENC_SYNCCTL_OVD_SHIFT,
298 VENC_SYNCCTL_OVD);
299 venc_write(sd, VENC_VMOD, 0);
300 venc_modify(sd, VENC_VMOD,
301 (1 << VENC_VMOD_VIE_SHIFT),
302 VENC_VMOD_VIE);
303 venc_modify(sd, VENC_VMOD,
304 (0 << VENC_VMOD_VMD), VENC_VMOD_VMD);
305 venc_modify(sd, VENC_VMOD,
306 (1 << VENC_VMOD_TVTYP_SHIFT),
307 VENC_VMOD_TVTYP);
308 venc_write(sd, VENC_DACTST, 0x0);
309 venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
310
311 return 0;
312}
313
314#define VDAC_CONFIG_HD_V2 0x081141EF
315
316
317
318
319
320static int venc_set_480p59_94(struct v4l2_subdev *sd)
321{
322 struct venc_state *venc = to_state(sd);
323 struct venc_platform_data *pdata = venc->pdata;
324
325 v4l2_dbg(debug, 2, sd, "venc_set_480p59_94\n");
326 if (venc->venc_type != VPBE_VERSION_1 &&
327 venc->venc_type != VPBE_VERSION_2)
328 return -EINVAL;
329
330
331 if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 27000000) < 0)
332 return -EINVAL;
333
334 venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 27000000);
335 venc_enabledigitaloutput(sd, 0);
336
337 if (venc->venc_type == VPBE_VERSION_2)
338 vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
339 venc_write(sd, VENC_OSDCLK0, 0);
340 venc_write(sd, VENC_OSDCLK1, 1);
341
342 if (venc->venc_type == VPBE_VERSION_1) {
343 venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ,
344 VENC_VDPRO_DAFRQ);
345 venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS,
346 VENC_VDPRO_DAUPS);
347 }
348
349 venc_write(sd, VENC_VMOD, 0);
350 venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
351 VENC_VMOD_VIE);
352 venc_modify(sd, VENC_VMOD, VENC_VMOD_HDMD, VENC_VMOD_HDMD);
353 venc_modify(sd, VENC_VMOD, (HDTV_525P << VENC_VMOD_TVTYP_SHIFT),
354 VENC_VMOD_TVTYP);
355 venc_modify(sd, VENC_VMOD, VENC_VMOD_VDMD_YCBCR8 <<
356 VENC_VMOD_VDMD_SHIFT, VENC_VMOD_VDMD);
357
358 venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
359
360 return 0;
361}
362
363
364
365
366
367
368static int venc_set_576p50(struct v4l2_subdev *sd)
369{
370 struct venc_state *venc = to_state(sd);
371 struct venc_platform_data *pdata = venc->pdata;
372
373 v4l2_dbg(debug, 2, sd, "venc_set_576p50\n");
374
375 if (venc->venc_type != VPBE_VERSION_1 &&
376 venc->venc_type != VPBE_VERSION_2)
377 return -EINVAL;
378
379 if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 27000000) < 0)
380 return -EINVAL;
381
382 venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 27000000);
383 venc_enabledigitaloutput(sd, 0);
384
385 if (venc->venc_type == VPBE_VERSION_2)
386 vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
387
388 venc_write(sd, VENC_OSDCLK0, 0);
389 venc_write(sd, VENC_OSDCLK1, 1);
390
391 if (venc->venc_type == VPBE_VERSION_1) {
392 venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ,
393 VENC_VDPRO_DAFRQ);
394 venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS,
395 VENC_VDPRO_DAUPS);
396 }
397
398 venc_write(sd, VENC_VMOD, 0);
399 venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
400 VENC_VMOD_VIE);
401 venc_modify(sd, VENC_VMOD, VENC_VMOD_HDMD, VENC_VMOD_HDMD);
402 venc_modify(sd, VENC_VMOD, (HDTV_625P << VENC_VMOD_TVTYP_SHIFT),
403 VENC_VMOD_TVTYP);
404
405 venc_modify(sd, VENC_VMOD, VENC_VMOD_VDMD_YCBCR8 <<
406 VENC_VMOD_VDMD_SHIFT, VENC_VMOD_VDMD);
407 venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
408
409 return 0;
410}
411
412
413
414
415static int venc_set_720p60_internal(struct v4l2_subdev *sd)
416{
417 struct venc_state *venc = to_state(sd);
418 struct venc_platform_data *pdata = venc->pdata;
419
420 if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 74250000) < 0)
421 return -EINVAL;
422
423 venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 74250000);
424 venc_enabledigitaloutput(sd, 0);
425
426 venc_write(sd, VENC_OSDCLK0, 0);
427 venc_write(sd, VENC_OSDCLK1, 1);
428
429 venc_write(sd, VENC_VMOD, 0);
430
431 venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
432 VENC_VMOD_VIE);
433 venc_modify(sd, VENC_VMOD, VENC_VMOD_HDMD, VENC_VMOD_HDMD);
434 venc_modify(sd, VENC_VMOD, (HDTV_720P << VENC_VMOD_TVTYP_SHIFT),
435 VENC_VMOD_TVTYP);
436 venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
437 venc_write(sd, VENC_XHINTVL, 0);
438 return 0;
439}
440
441
442
443
444static int venc_set_1080i30_internal(struct v4l2_subdev *sd)
445{
446 struct venc_state *venc = to_state(sd);
447 struct venc_platform_data *pdata = venc->pdata;
448
449 if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 74250000) < 0)
450 return -EINVAL;
451
452 venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 74250000);
453 venc_enabledigitaloutput(sd, 0);
454
455 venc_write(sd, VENC_OSDCLK0, 0);
456 venc_write(sd, VENC_OSDCLK1, 1);
457
458
459 venc_write(sd, VENC_VMOD, 0);
460
461 venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
462 VENC_VMOD_VIE);
463 venc_modify(sd, VENC_VMOD, VENC_VMOD_HDMD, VENC_VMOD_HDMD);
464 venc_modify(sd, VENC_VMOD, (HDTV_1080I << VENC_VMOD_TVTYP_SHIFT),
465 VENC_VMOD_TVTYP);
466 venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
467 venc_write(sd, VENC_XHINTVL, 0);
468 return 0;
469}
470
471static int venc_s_std_output(struct v4l2_subdev *sd, v4l2_std_id norm)
472{
473 v4l2_dbg(debug, 1, sd, "venc_s_std_output\n");
474
475 if (norm & V4L2_STD_525_60)
476 return venc_set_ntsc(sd);
477 else if (norm & V4L2_STD_625_50)
478 return venc_set_pal(sd);
479
480 return -EINVAL;
481}
482
483static int venc_s_dv_timings(struct v4l2_subdev *sd,
484 struct v4l2_dv_timings *dv_timings)
485{
486 struct venc_state *venc = to_state(sd);
487 u32 height = dv_timings->bt.height;
488 int ret;
489
490 v4l2_dbg(debug, 1, sd, "venc_s_dv_timings\n");
491
492 if (height == 576)
493 return venc_set_576p50(sd);
494 else if (height == 480)
495 return venc_set_480p59_94(sd);
496 else if ((height == 720) &&
497 (venc->venc_type == VPBE_VERSION_2)) {
498
499 ret = venc_set_720p60_internal(sd);
500
501 vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
502 return ret;
503 } else if ((height == 1080) &&
504 (venc->venc_type == VPBE_VERSION_2)) {
505
506 ret = venc_set_1080i30_internal(sd);
507
508 vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
509 return ret;
510 }
511 return -EINVAL;
512}
513
514static int venc_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
515 u32 config)
516{
517 struct venc_state *venc = to_state(sd);
518 int ret;
519
520 v4l2_dbg(debug, 1, sd, "venc_s_routing\n");
521
522 ret = venc_set_dac(sd, output);
523 if (!ret)
524 venc->output = output;
525
526 return ret;
527}
528
529static long venc_ioctl(struct v4l2_subdev *sd,
530 unsigned int cmd,
531 void *arg)
532{
533 u32 val;
534
535 switch (cmd) {
536 case VENC_GET_FLD:
537 val = venc_read(sd, VENC_VSTAT);
538 *((int *)arg) = ((val & VENC_VSTAT_FIDST) ==
539 VENC_VSTAT_FIDST);
540 break;
541 default:
542 v4l2_err(sd, "Wrong IOCTL cmd\n");
543 break;
544 }
545
546 return 0;
547}
548
549static const struct v4l2_subdev_core_ops venc_core_ops = {
550 .ioctl = venc_ioctl,
551};
552
553static const struct v4l2_subdev_video_ops venc_video_ops = {
554 .s_routing = venc_s_routing,
555 .s_std_output = venc_s_std_output,
556 .s_dv_timings = venc_s_dv_timings,
557};
558
559static const struct v4l2_subdev_ops venc_ops = {
560 .core = &venc_core_ops,
561 .video = &venc_video_ops,
562};
563
564static int venc_initialize(struct v4l2_subdev *sd)
565{
566 struct venc_state *venc = to_state(sd);
567 int ret;
568
569
570 venc->output = 0;
571 venc->std = V4L2_STD_525_60;
572
573 ret = venc_s_routing(sd, 0, venc->output, 0);
574 if (ret < 0) {
575 v4l2_err(sd, "Error setting output during init\n");
576 return -EINVAL;
577 }
578
579 ret = venc_s_std_output(sd, venc->std);
580 if (ret < 0) {
581 v4l2_err(sd, "Error setting std during init\n");
582 return -EINVAL;
583 }
584
585 return ret;
586}
587
588static int venc_device_get(struct device *dev, void *data)
589{
590 struct platform_device *pdev = to_platform_device(dev);
591 struct venc_state **venc = data;
592
593 if (strstr(pdev->name, "vpbe-venc") != NULL)
594 *venc = platform_get_drvdata(pdev);
595
596 return 0;
597}
598
599struct v4l2_subdev *venc_sub_dev_init(struct v4l2_device *v4l2_dev,
600 const char *venc_name)
601{
602 struct venc_state *venc = NULL;
603
604 bus_for_each_dev(&platform_bus_type, NULL, &venc,
605 venc_device_get);
606 if (venc == NULL)
607 return NULL;
608
609 v4l2_subdev_init(&venc->sd, &venc_ops);
610
611 strscpy(venc->sd.name, venc_name, sizeof(venc->sd.name));
612 if (v4l2_device_register_subdev(v4l2_dev, &venc->sd) < 0) {
613 v4l2_err(v4l2_dev,
614 "vpbe unable to register venc sub device\n");
615 return NULL;
616 }
617 if (venc_initialize(&venc->sd)) {
618 v4l2_err(v4l2_dev,
619 "vpbe venc initialization failed\n");
620 return NULL;
621 }
622
623 return &venc->sd;
624}
625EXPORT_SYMBOL(venc_sub_dev_init);
626
627static int venc_probe(struct platform_device *pdev)
628{
629 const struct platform_device_id *pdev_id;
630 struct venc_state *venc;
631 struct resource *res;
632
633 if (!pdev->dev.platform_data) {
634 dev_err(&pdev->dev, "No platform data for VENC sub device");
635 return -EINVAL;
636 }
637
638 pdev_id = platform_get_device_id(pdev);
639 if (!pdev_id)
640 return -EINVAL;
641
642 venc = devm_kzalloc(&pdev->dev, sizeof(struct venc_state), GFP_KERNEL);
643 if (venc == NULL)
644 return -ENOMEM;
645
646 venc->venc_type = pdev_id->driver_data;
647 venc->pdev = &pdev->dev;
648 venc->pdata = pdev->dev.platform_data;
649
650 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
651
652 venc->venc_base = devm_ioremap_resource(&pdev->dev, res);
653 if (IS_ERR(venc->venc_base))
654 return PTR_ERR(venc->venc_base);
655
656 if (venc->venc_type != VPBE_VERSION_1) {
657 res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
658
659 venc->vdaccfg_reg = devm_ioremap_resource(&pdev->dev, res);
660 if (IS_ERR(venc->vdaccfg_reg))
661 return PTR_ERR(venc->vdaccfg_reg);
662 }
663 spin_lock_init(&venc->lock);
664 platform_set_drvdata(pdev, venc);
665 dev_notice(venc->pdev, "VENC sub device probe success\n");
666
667 return 0;
668}
669
670static int venc_remove(struct platform_device *pdev)
671{
672 return 0;
673}
674
675static struct platform_driver venc_driver = {
676 .probe = venc_probe,
677 .remove = venc_remove,
678 .driver = {
679 .name = MODULE_NAME,
680 },
681 .id_table = vpbe_venc_devtype
682};
683
684module_platform_driver(venc_driver);
685
686MODULE_LICENSE("GPL");
687MODULE_DESCRIPTION("VPBE VENC Driver");
688MODULE_AUTHOR("Texas Instruments");
689
