Commit | Line | Data |
---|---|---|
babde1c2 SN |
1 | /* |
2 | * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver | |
3 | * | |
4 | * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> | |
5 | * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published | |
9 | * by the Free Software Foundation, either version 2 of the License, | |
10 | * or (at your option) any later version. | |
11 | */ | |
12 | #define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ | |
13 | ||
14 | #include <linux/bug.h> | |
15 | #include <linux/clk.h> | |
16 | #include <linux/delay.h> | |
17 | #include <linux/device.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/gpio.h> | |
20 | #include <linux/i2c.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/io.h> | |
23 | #include <linux/kernel.h> | |
24 | #include <linux/list.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <linux/pm_runtime.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/types.h> | |
30 | ||
31 | #include <media/media-device.h> | |
32 | #include <media/v4l2-ctrls.h> | |
33 | #include <media/v4l2-ioctl.h> | |
34 | #include <media/videobuf2-core.h> | |
35 | #include <media/videobuf2-dma-contig.h> | |
36 | ||
37 | #include "camif-core.h" | |
38 | ||
39 | static char *camif_clocks[CLK_MAX_NUM] = { | |
40 | /* HCLK CAMIF clock */ | |
41 | [CLK_GATE] = "camif", | |
42 | /* CAMIF / external camera sensor master clock */ | |
43 | [CLK_CAM] = "camera", | |
44 | }; | |
45 | ||
46 | static const struct camif_fmt camif_formats[] = { | |
47 | { | |
48 | .name = "YUV 4:2:2 planar, Y/Cb/Cr", | |
49 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
50 | .depth = 16, | |
51 | .ybpp = 1, | |
52 | .color = IMG_FMT_YCBCR422P, | |
53 | .colplanes = 3, | |
54 | .flags = FMT_FL_S3C24XX_CODEC | | |
55 | FMT_FL_S3C64XX, | |
56 | }, { | |
57 | .name = "YUV 4:2:0 planar, Y/Cb/Cr", | |
58 | .fourcc = V4L2_PIX_FMT_YUV420, | |
59 | .depth = 12, | |
60 | .ybpp = 1, | |
61 | .color = IMG_FMT_YCBCR420, | |
62 | .colplanes = 3, | |
63 | .flags = FMT_FL_S3C24XX_CODEC | | |
64 | FMT_FL_S3C64XX, | |
65 | }, { | |
66 | .name = "YVU 4:2:0 planar, Y/Cr/Cb", | |
67 | .fourcc = V4L2_PIX_FMT_YVU420, | |
68 | .depth = 12, | |
69 | .ybpp = 1, | |
70 | .color = IMG_FMT_YCRCB420, | |
71 | .colplanes = 3, | |
72 | .flags = FMT_FL_S3C24XX_CODEC | | |
73 | FMT_FL_S3C64XX, | |
74 | }, { | |
75 | .name = "RGB565, 16 bpp", | |
76 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
77 | .depth = 16, | |
78 | .ybpp = 2, | |
79 | .color = IMG_FMT_RGB565, | |
80 | .colplanes = 1, | |
81 | .flags = FMT_FL_S3C24XX_PREVIEW | | |
82 | FMT_FL_S3C64XX, | |
83 | }, { | |
84 | .name = "XRGB8888, 32 bpp", | |
85 | .fourcc = V4L2_PIX_FMT_RGB32, | |
86 | .depth = 32, | |
87 | .ybpp = 4, | |
88 | .color = IMG_FMT_XRGB8888, | |
89 | .colplanes = 1, | |
90 | .flags = FMT_FL_S3C24XX_PREVIEW | | |
91 | FMT_FL_S3C64XX, | |
92 | }, { | |
93 | .name = "BGR666", | |
94 | .fourcc = V4L2_PIX_FMT_BGR666, | |
95 | .depth = 32, | |
96 | .ybpp = 4, | |
97 | .color = IMG_FMT_RGB666, | |
98 | .colplanes = 1, | |
99 | .flags = FMT_FL_S3C64XX, | |
100 | } | |
101 | }; | |
102 | ||
103 | /** | |
104 | * s3c_camif_find_format() - lookup camif color format by fourcc or an index | |
105 | * @pixelformat: fourcc to match, ignored if null | |
106 | * @index: index to the camif_formats array, ignored if negative | |
107 | */ | |
108 | const struct camif_fmt *s3c_camif_find_format(struct camif_vp *vp, | |
109 | const u32 *pixelformat, | |
110 | int index) | |
111 | { | |
112 | const struct camif_fmt *fmt, *def_fmt = NULL; | |
113 | unsigned int i; | |
114 | int id = 0; | |
115 | ||
116 | if (index >= (int)ARRAY_SIZE(camif_formats)) | |
117 | return NULL; | |
118 | ||
119 | for (i = 0; i < ARRAY_SIZE(camif_formats); ++i) { | |
120 | fmt = &camif_formats[i]; | |
121 | if (vp && !(vp->fmt_flags & fmt->flags)) | |
122 | continue; | |
123 | if (pixelformat && fmt->fourcc == *pixelformat) | |
124 | return fmt; | |
125 | if (index == id) | |
126 | def_fmt = fmt; | |
127 | id++; | |
128 | } | |
129 | return def_fmt; | |
130 | } | |
131 | ||
132 | static int camif_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift) | |
133 | { | |
134 | unsigned int sh = 6; | |
135 | ||
136 | if (src >= 64 * tar) | |
137 | return -EINVAL; | |
138 | ||
139 | while (sh--) { | |
140 | unsigned int tmp = 1 << sh; | |
141 | if (src >= tar * tmp) { | |
142 | *shift = sh, *ratio = tmp; | |
143 | return 0; | |
144 | } | |
145 | } | |
146 | *shift = 0, *ratio = 1; | |
147 | return 0; | |
148 | } | |
149 | ||
150 | int s3c_camif_get_scaler_config(struct camif_vp *vp, | |
151 | struct camif_scaler *scaler) | |
152 | { | |
153 | struct v4l2_rect *camif_crop = &vp->camif->camif_crop; | |
154 | int source_x = camif_crop->width; | |
155 | int source_y = camif_crop->height; | |
156 | int target_x = vp->out_frame.rect.width; | |
157 | int target_y = vp->out_frame.rect.height; | |
158 | int ret; | |
159 | ||
160 | if (vp->rotation == 90 || vp->rotation == 270) | |
161 | swap(target_x, target_y); | |
162 | ||
163 | ret = camif_get_scaler_factor(source_x, target_x, &scaler->pre_h_ratio, | |
164 | &scaler->h_shift); | |
165 | if (ret < 0) | |
166 | return ret; | |
167 | ||
168 | ret = camif_get_scaler_factor(source_y, target_y, &scaler->pre_v_ratio, | |
169 | &scaler->v_shift); | |
170 | if (ret < 0) | |
171 | return ret; | |
172 | ||
173 | scaler->pre_dst_width = source_x / scaler->pre_h_ratio; | |
174 | scaler->pre_dst_height = source_y / scaler->pre_v_ratio; | |
175 | ||
176 | scaler->main_h_ratio = (source_x << 8) / (target_x << scaler->h_shift); | |
177 | scaler->main_v_ratio = (source_y << 8) / (target_y << scaler->v_shift); | |
178 | ||
179 | scaler->scaleup_h = (target_x >= source_x); | |
180 | scaler->scaleup_v = (target_y >= source_y); | |
181 | ||
182 | scaler->copy = 0; | |
183 | ||
184 | pr_debug("H: ratio: %u, shift: %u. V: ratio: %u, shift: %u.\n", | |
185 | scaler->pre_h_ratio, scaler->h_shift, | |
186 | scaler->pre_v_ratio, scaler->v_shift); | |
187 | ||
188 | pr_debug("Source: %dx%d, Target: %dx%d, scaleup_h/v: %d/%d\n", | |
189 | source_x, source_y, target_x, target_y, | |
190 | scaler->scaleup_h, scaler->scaleup_v); | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
195 | static int camif_register_sensor(struct camif_dev *camif) | |
196 | { | |
197 | struct s3c_camif_sensor_info *sensor = &camif->pdata.sensor; | |
198 | struct v4l2_device *v4l2_dev = &camif->v4l2_dev; | |
199 | struct i2c_adapter *adapter; | |
200 | struct v4l2_subdev_format format; | |
201 | struct v4l2_subdev *sd; | |
202 | int ret; | |
203 | ||
204 | camif->sensor.sd = NULL; | |
205 | ||
206 | if (sensor->i2c_board_info.addr == 0) | |
207 | return -EINVAL; | |
208 | ||
209 | adapter = i2c_get_adapter(sensor->i2c_bus_num); | |
210 | if (adapter == NULL) { | |
211 | v4l2_warn(v4l2_dev, "failed to get I2C adapter %d\n", | |
212 | sensor->i2c_bus_num); | |
213 | return -EPROBE_DEFER; | |
214 | } | |
215 | ||
216 | sd = v4l2_i2c_new_subdev_board(v4l2_dev, adapter, | |
217 | &sensor->i2c_board_info, NULL); | |
218 | if (sd == NULL) { | |
219 | i2c_put_adapter(adapter); | |
220 | v4l2_warn(v4l2_dev, "failed to acquire subdev %s\n", | |
221 | sensor->i2c_board_info.type); | |
222 | return -EPROBE_DEFER; | |
223 | } | |
224 | camif->sensor.sd = sd; | |
225 | ||
226 | v4l2_info(v4l2_dev, "registered sensor subdevice %s\n", sd->name); | |
227 | ||
228 | /* Get initial pixel format and set it at the camif sink pad */ | |
229 | format.pad = 0; | |
230 | format.which = V4L2_SUBDEV_FORMAT_ACTIVE; | |
231 | ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &format); | |
232 | ||
233 | if (ret < 0) | |
234 | return 0; | |
235 | ||
236 | format.pad = CAMIF_SD_PAD_SINK; | |
237 | v4l2_subdev_call(&camif->subdev, pad, set_fmt, NULL, &format); | |
238 | ||
239 | v4l2_info(sd, "Initial format from sensor: %dx%d, %#x\n", | |
240 | format.format.width, format.format.height, | |
241 | format.format.code); | |
242 | return 0; | |
243 | } | |
244 | ||
245 | static void camif_unregister_sensor(struct camif_dev *camif) | |
246 | { | |
247 | struct v4l2_subdev *sd = camif->sensor.sd; | |
248 | struct i2c_client *client = sd ? v4l2_get_subdevdata(sd) : NULL; | |
249 | struct i2c_adapter *adapter; | |
250 | ||
251 | if (client == NULL) | |
252 | return; | |
253 | ||
254 | adapter = client->adapter; | |
255 | v4l2_device_unregister_subdev(sd); | |
256 | camif->sensor.sd = NULL; | |
257 | i2c_unregister_device(client); | |
258 | if (adapter) | |
259 | i2c_put_adapter(adapter); | |
260 | } | |
261 | ||
262 | static int camif_create_media_links(struct camif_dev *camif) | |
263 | { | |
264 | int i, ret; | |
265 | ||
266 | ret = media_entity_create_link(&camif->sensor.sd->entity, 0, | |
267 | &camif->subdev.entity, CAMIF_SD_PAD_SINK, | |
268 | MEDIA_LNK_FL_IMMUTABLE | | |
269 | MEDIA_LNK_FL_ENABLED); | |
270 | if (ret) | |
271 | return ret; | |
272 | ||
273 | for (i = 1; i < CAMIF_SD_PADS_NUM && !ret; i++) { | |
274 | ret = media_entity_create_link(&camif->subdev.entity, i, | |
275 | &camif->vp[i - 1].vdev.entity, 0, | |
276 | MEDIA_LNK_FL_IMMUTABLE | | |
277 | MEDIA_LNK_FL_ENABLED); | |
278 | } | |
279 | ||
280 | return ret; | |
281 | } | |
282 | ||
283 | static int camif_register_video_nodes(struct camif_dev *camif) | |
284 | { | |
285 | int ret = s3c_camif_register_video_node(camif, VP_CODEC); | |
286 | if (ret < 0) | |
287 | return ret; | |
288 | ||
289 | return s3c_camif_register_video_node(camif, VP_PREVIEW); | |
290 | } | |
291 | ||
292 | static void camif_unregister_video_nodes(struct camif_dev *camif) | |
293 | { | |
294 | s3c_camif_unregister_video_node(camif, VP_CODEC); | |
295 | s3c_camif_unregister_video_node(camif, VP_PREVIEW); | |
296 | } | |
297 | ||
298 | static void camif_unregister_media_entities(struct camif_dev *camif) | |
299 | { | |
300 | camif_unregister_video_nodes(camif); | |
301 | camif_unregister_sensor(camif); | |
302 | s3c_camif_unregister_subdev(camif); | |
303 | } | |
304 | ||
305 | /* | |
306 | * Media device | |
307 | */ | |
308 | static int camif_media_dev_register(struct camif_dev *camif) | |
309 | { | |
310 | struct media_device *md = &camif->media_dev; | |
311 | struct v4l2_device *v4l2_dev = &camif->v4l2_dev; | |
312 | unsigned int ip_rev = camif->variant->ip_revision; | |
313 | int ret; | |
314 | ||
315 | memset(md, 0, sizeof(*md)); | |
316 | snprintf(md->model, sizeof(md->model), "SAMSUNG S3C%s CAMIF", | |
317 | ip_rev == S3C6410_CAMIF_IP_REV ? "6410" : "244X"); | |
318 | strlcpy(md->bus_info, "platform", sizeof(md->bus_info)); | |
319 | md->hw_revision = ip_rev; | |
320 | md->driver_version = KERNEL_VERSION(1, 0, 0); | |
321 | ||
322 | md->dev = camif->dev; | |
323 | ||
324 | strlcpy(v4l2_dev->name, "s3c-camif", sizeof(v4l2_dev->name)); | |
325 | v4l2_dev->mdev = md; | |
326 | ||
327 | ret = v4l2_device_register(camif->dev, v4l2_dev); | |
328 | if (ret < 0) | |
329 | return ret; | |
330 | ||
331 | ret = media_device_register(md); | |
332 | if (ret < 0) | |
333 | v4l2_device_unregister(v4l2_dev); | |
334 | ||
335 | return ret; | |
336 | } | |
337 | ||
338 | static void camif_clk_put(struct camif_dev *camif) | |
339 | { | |
340 | int i; | |
341 | ||
342 | for (i = 0; i < CLK_MAX_NUM; i++) { | |
343 | if (IS_ERR_OR_NULL(camif->clock[i])) | |
344 | continue; | |
345 | clk_unprepare(camif->clock[i]); | |
346 | clk_put(camif->clock[i]); | |
347 | } | |
348 | } | |
349 | ||
350 | static int camif_clk_get(struct camif_dev *camif) | |
351 | { | |
352 | int ret, i; | |
353 | ||
354 | for (i = 0; i < CLK_MAX_NUM; i++) { | |
355 | camif->clock[i] = clk_get(camif->dev, camif_clocks[i]); | |
356 | if (IS_ERR(camif->clock[i])) { | |
357 | ret = PTR_ERR(camif->clock[i]); | |
358 | goto err; | |
359 | } | |
360 | ret = clk_prepare(camif->clock[i]); | |
361 | if (ret < 0) { | |
362 | clk_put(camif->clock[i]); | |
363 | camif->clock[i] = NULL; | |
364 | goto err; | |
365 | } | |
366 | } | |
367 | return 0; | |
368 | err: | |
369 | camif_clk_put(camif); | |
370 | dev_err(camif->dev, "failed to get clock: %s\n", | |
371 | camif_clocks[i]); | |
372 | return ret; | |
373 | } | |
374 | ||
375 | /* | |
376 | * The CAMIF device has two relatively independent data processing paths | |
377 | * that can source data from memory or the common camera input frontend. | |
378 | * Register interrupts for each data processing path (camif_vp). | |
379 | */ | |
380 | static int camif_request_irqs(struct platform_device *pdev, | |
381 | struct camif_dev *camif) | |
382 | { | |
383 | int irq, ret, i; | |
384 | ||
385 | for (i = 0; i < CAMIF_VP_NUM; i++) { | |
386 | struct camif_vp *vp = &camif->vp[i]; | |
387 | ||
388 | init_waitqueue_head(&vp->irq_queue); | |
389 | ||
390 | irq = platform_get_irq(pdev, i); | |
391 | if (irq <= 0) { | |
392 | dev_err(&pdev->dev, "failed to get IRQ %d\n", i); | |
393 | return -ENXIO; | |
394 | } | |
395 | ||
396 | ret = devm_request_irq(&pdev->dev, irq, s3c_camif_irq_handler, | |
397 | 0, dev_name(&pdev->dev), vp); | |
398 | if (ret < 0) { | |
399 | dev_err(&pdev->dev, "failed to install IRQ: %d\n", ret); | |
400 | break; | |
401 | } | |
402 | } | |
403 | ||
404 | return ret; | |
405 | } | |
406 | ||
407 | static int s3c_camif_probe(struct platform_device *pdev) | |
408 | { | |
409 | struct device *dev = &pdev->dev; | |
410 | struct s3c_camif_plat_data *pdata = dev->platform_data; | |
411 | struct s3c_camif_drvdata *drvdata; | |
412 | struct camif_dev *camif; | |
413 | struct resource *mres; | |
414 | int ret = 0; | |
415 | ||
416 | camif = devm_kzalloc(dev, sizeof(*camif), GFP_KERNEL); | |
417 | if (!camif) | |
418 | return -ENOMEM; | |
419 | ||
420 | spin_lock_init(&camif->slock); | |
421 | mutex_init(&camif->lock); | |
422 | ||
423 | camif->dev = dev; | |
424 | ||
425 | if (!pdata || !pdata->gpio_get || !pdata->gpio_put) { | |
426 | dev_err(dev, "wrong platform data\n"); | |
427 | return -EINVAL; | |
428 | } | |
429 | ||
430 | camif->pdata = *pdata; | |
431 | drvdata = (void *)platform_get_device_id(pdev)->driver_data; | |
432 | camif->variant = drvdata->variant; | |
433 | ||
434 | mres = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
435 | ||
436 | camif->io_base = devm_request_and_ioremap(dev, mres); | |
437 | if (!camif->io_base) { | |
438 | dev_err(dev, "failed to obtain I/O memory\n"); | |
439 | return -ENOENT; | |
440 | } | |
441 | ||
442 | ret = camif_request_irqs(pdev, camif); | |
443 | if (ret < 0) | |
444 | return ret; | |
445 | ||
446 | ret = pdata->gpio_get(); | |
447 | if (ret < 0) | |
448 | return ret; | |
449 | ||
450 | ret = s3c_camif_create_subdev(camif); | |
451 | if (ret < 0) | |
452 | goto err_sd; | |
453 | ||
454 | ret = camif_clk_get(camif); | |
455 | if (ret < 0) | |
456 | goto err_clk; | |
457 | ||
458 | platform_set_drvdata(pdev, camif); | |
459 | clk_set_rate(camif->clock[CLK_CAM], | |
460 | camif->pdata.sensor.clock_frequency); | |
461 | ||
462 | dev_info(dev, "sensor clock frequency: %lu\n", | |
463 | clk_get_rate(camif->clock[CLK_CAM])); | |
464 | /* | |
465 | * Set initial pixel format, resolution and crop rectangle. | |
466 | * Must be done before a sensor subdev is registered as some | |
467 | * settings are overrode with values from sensor subdev. | |
468 | */ | |
469 | s3c_camif_set_defaults(camif); | |
470 | ||
471 | pm_runtime_enable(dev); | |
472 | ||
473 | ret = pm_runtime_get_sync(dev); | |
474 | if (ret < 0) | |
475 | goto err_pm; | |
476 | ||
477 | /* Initialize contiguous memory allocator */ | |
478 | camif->alloc_ctx = vb2_dma_contig_init_ctx(dev); | |
479 | if (IS_ERR(camif->alloc_ctx)) { | |
480 | ret = PTR_ERR(camif->alloc_ctx); | |
481 | goto err_alloc; | |
482 | } | |
483 | ||
484 | ret = camif_media_dev_register(camif); | |
485 | if (ret < 0) | |
486 | goto err_mdev; | |
487 | ||
488 | ret = camif_register_sensor(camif); | |
489 | if (ret < 0) | |
490 | goto err_sens; | |
491 | ||
492 | ret = v4l2_device_register_subdev(&camif->v4l2_dev, &camif->subdev); | |
493 | if (ret < 0) | |
494 | goto err_sens; | |
495 | ||
496 | mutex_lock(&camif->media_dev.graph_mutex); | |
497 | ||
498 | ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev); | |
499 | if (ret < 0) | |
500 | goto err_unlock; | |
501 | ||
502 | ret = camif_register_video_nodes(camif); | |
503 | if (ret < 0) | |
504 | goto err_unlock; | |
505 | ||
506 | ret = camif_create_media_links(camif); | |
507 | if (ret < 0) | |
508 | goto err_unlock; | |
509 | ||
510 | mutex_unlock(&camif->media_dev.graph_mutex); | |
511 | pm_runtime_put(dev); | |
512 | return 0; | |
513 | ||
514 | err_unlock: | |
515 | mutex_unlock(&camif->media_dev.graph_mutex); | |
516 | err_sens: | |
517 | v4l2_device_unregister(&camif->v4l2_dev); | |
518 | media_device_unregister(&camif->media_dev); | |
519 | camif_unregister_media_entities(camif); | |
520 | err_mdev: | |
521 | vb2_dma_contig_cleanup_ctx(camif->alloc_ctx); | |
522 | err_alloc: | |
523 | pm_runtime_put(dev); | |
524 | pm_runtime_disable(dev); | |
525 | err_pm: | |
526 | camif_clk_put(camif); | |
527 | err_clk: | |
528 | s3c_camif_unregister_subdev(camif); | |
529 | err_sd: | |
530 | pdata->gpio_put(); | |
531 | return ret; | |
532 | } | |
533 | ||
4c62e976 | 534 | static int s3c_camif_remove(struct platform_device *pdev) |
babde1c2 SN |
535 | { |
536 | struct camif_dev *camif = platform_get_drvdata(pdev); | |
537 | struct s3c_camif_plat_data *pdata = &camif->pdata; | |
538 | ||
539 | media_device_unregister(&camif->media_dev); | |
540 | camif_unregister_media_entities(camif); | |
541 | v4l2_device_unregister(&camif->v4l2_dev); | |
542 | ||
543 | pm_runtime_disable(&pdev->dev); | |
544 | camif_clk_put(camif); | |
545 | pdata->gpio_put(); | |
546 | ||
547 | return 0; | |
548 | } | |
549 | ||
550 | static int s3c_camif_runtime_resume(struct device *dev) | |
551 | { | |
552 | struct camif_dev *camif = dev_get_drvdata(dev); | |
553 | ||
554 | clk_enable(camif->clock[CLK_GATE]); | |
555 | /* null op on s3c244x */ | |
556 | clk_enable(camif->clock[CLK_CAM]); | |
557 | return 0; | |
558 | } | |
559 | ||
560 | static int s3c_camif_runtime_suspend(struct device *dev) | |
561 | { | |
562 | struct camif_dev *camif = dev_get_drvdata(dev); | |
563 | ||
564 | /* null op on s3c244x */ | |
565 | clk_disable(camif->clock[CLK_CAM]); | |
566 | ||
567 | clk_disable(camif->clock[CLK_GATE]); | |
568 | return 0; | |
569 | } | |
570 | ||
571 | static const struct s3c_camif_variant s3c244x_camif_variant = { | |
572 | .vp_pix_limits = { | |
573 | [VP_CODEC] = { | |
574 | .max_out_width = 4096, | |
575 | .max_sc_out_width = 2048, | |
576 | .out_width_align = 16, | |
577 | .min_out_width = 16, | |
578 | .max_height = 4096, | |
579 | }, | |
580 | [VP_PREVIEW] = { | |
581 | .max_out_width = 640, | |
582 | .max_sc_out_width = 640, | |
583 | .out_width_align = 16, | |
584 | .min_out_width = 16, | |
585 | .max_height = 480, | |
586 | } | |
587 | }, | |
588 | .pix_limits = { | |
589 | .win_hor_offset_align = 8, | |
590 | }, | |
591 | .ip_revision = S3C244X_CAMIF_IP_REV, | |
592 | }; | |
593 | ||
594 | static struct s3c_camif_drvdata s3c244x_camif_drvdata = { | |
595 | .variant = &s3c244x_camif_variant, | |
596 | .bus_clk_freq = 24000000UL, | |
597 | }; | |
598 | ||
599 | static const struct s3c_camif_variant s3c6410_camif_variant = { | |
600 | .vp_pix_limits = { | |
601 | [VP_CODEC] = { | |
602 | .max_out_width = 4096, | |
603 | .max_sc_out_width = 2048, | |
604 | .out_width_align = 16, | |
605 | .min_out_width = 16, | |
606 | .max_height = 4096, | |
607 | }, | |
608 | [VP_PREVIEW] = { | |
609 | .max_out_width = 4096, | |
610 | .max_sc_out_width = 720, | |
611 | .out_width_align = 16, | |
612 | .min_out_width = 16, | |
613 | .max_height = 4096, | |
614 | } | |
615 | }, | |
616 | .pix_limits = { | |
617 | .win_hor_offset_align = 8, | |
618 | }, | |
619 | .ip_revision = S3C6410_CAMIF_IP_REV, | |
620 | .has_img_effect = 1, | |
621 | .vp_offset = 0x20, | |
622 | }; | |
623 | ||
624 | static struct s3c_camif_drvdata s3c6410_camif_drvdata = { | |
625 | .variant = &s3c6410_camif_variant, | |
626 | .bus_clk_freq = 133000000UL, | |
627 | }; | |
628 | ||
629 | static struct platform_device_id s3c_camif_driver_ids[] = { | |
630 | { | |
631 | .name = "s3c2440-camif", | |
632 | .driver_data = (unsigned long)&s3c244x_camif_drvdata, | |
633 | }, { | |
634 | .name = "s3c6410-camif", | |
635 | .driver_data = (unsigned long)&s3c6410_camif_drvdata, | |
636 | }, | |
637 | { /* sentinel */ }, | |
638 | }; | |
639 | MODULE_DEVICE_TABLE(platform, s3c_camif_driver_ids); | |
640 | ||
641 | static const struct dev_pm_ops s3c_camif_pm_ops = { | |
642 | .runtime_suspend = s3c_camif_runtime_suspend, | |
643 | .runtime_resume = s3c_camif_runtime_resume, | |
644 | }; | |
645 | ||
646 | static struct platform_driver s3c_camif_driver = { | |
647 | .probe = s3c_camif_probe, | |
4c62e976 | 648 | .remove = s3c_camif_remove, |
babde1c2 SN |
649 | .id_table = s3c_camif_driver_ids, |
650 | .driver = { | |
651 | .name = S3C_CAMIF_DRIVER_NAME, | |
652 | .owner = THIS_MODULE, | |
653 | .pm = &s3c_camif_pm_ops, | |
654 | } | |
655 | }; | |
656 | ||
657 | module_platform_driver(s3c_camif_driver); | |
658 | ||
659 | MODULE_AUTHOR("Sylwester Nawrocki <sylvester.nawrocki@gmail.com>"); | |
660 | MODULE_AUTHOR("Tomasz Figa <tomasz.figa@gmail.com>"); | |
661 | MODULE_DESCRIPTION("S3C24XX/S3C64XX SoC camera interface driver"); | |
662 | MODULE_LICENSE("GPL"); |