diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/video/mt9m001.c | 36 | ||||
-rw-r--r-- | drivers/media/video/mt9t031.c | 24 | ||||
-rw-r--r-- | drivers/media/video/mt9v022.c | 48 | ||||
-rw-r--r-- | drivers/media/video/mx1_camera.c | 36 | ||||
-rw-r--r-- | drivers/media/video/mx3_camera.c | 18 | ||||
-rw-r--r-- | drivers/media/video/pxa_camera.c | 54 | ||||
-rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 18 | ||||
-rw-r--r-- | drivers/media/video/soc_camera.c | 24 | ||||
-rw-r--r-- | drivers/media/video/tw9910.c | 8 |
9 files changed, 176 insertions, 90 deletions
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 17be2d46fd40..cc9066000c2d 100644 --- a/drivers/media/video/mt9m001.c +++ b/drivers/media/video/mt9m001.c | |||
@@ -17,9 +17,11 @@ | |||
17 | #include <media/v4l2-chip-ident.h> | 17 | #include <media/v4l2-chip-ident.h> |
18 | #include <media/soc_camera.h> | 18 | #include <media/soc_camera.h> |
19 | 19 | ||
20 | /* mt9m001 i2c address 0x5d | 20 | /* |
21 | * mt9m001 i2c address 0x5d | ||
21 | * The platform has to define ctruct i2c_board_info objects and link to them | 22 | * The platform has to define ctruct i2c_board_info objects and link to them |
22 | * from struct soc_camera_link */ | 23 | * from struct soc_camera_link |
24 | */ | ||
23 | 25 | ||
24 | /* mt9m001 selected register addresses */ | 26 | /* mt9m001 selected register addresses */ |
25 | #define MT9M001_CHIP_VERSION 0x00 | 27 | #define MT9M001_CHIP_VERSION 0x00 |
@@ -47,8 +49,10 @@ | |||
47 | #define MT9M001_ROW_SKIP 12 | 49 | #define MT9M001_ROW_SKIP 12 |
48 | 50 | ||
49 | static const struct soc_camera_data_format mt9m001_colour_formats[] = { | 51 | static const struct soc_camera_data_format mt9m001_colour_formats[] = { |
50 | /* Order important: first natively supported, | 52 | /* |
51 | * second supported with a GPIO extender */ | 53 | * Order important: first natively supported, |
54 | * second supported with a GPIO extender | ||
55 | */ | ||
52 | { | 56 | { |
53 | .name = "Bayer (sRGB) 10 bit", | 57 | .name = "Bayer (sRGB) 10 bit", |
54 | .depth = 10, | 58 | .depth = 10, |
@@ -230,8 +234,10 @@ static int mt9m001_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | |||
230 | if (!ret) | 234 | if (!ret) |
231 | ret = reg_write(client, MT9M001_VERTICAL_BLANKING, vblank); | 235 | ret = reg_write(client, MT9M001_VERTICAL_BLANKING, vblank); |
232 | 236 | ||
233 | /* The caller provides a supported format, as verified per | 237 | /* |
234 | * call to icd->try_fmt() */ | 238 | * The caller provides a supported format, as verified per |
239 | * call to icd->try_fmt() | ||
240 | */ | ||
235 | if (!ret) | 241 | if (!ret) |
236 | ret = reg_write(client, MT9M001_COLUMN_START, rect.left); | 242 | ret = reg_write(client, MT9M001_COLUMN_START, rect.left); |
237 | if (!ret) | 243 | if (!ret) |
@@ -569,8 +575,10 @@ static int mt9m001_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | |||
569 | return 0; | 575 | return 0; |
570 | } | 576 | } |
571 | 577 | ||
572 | /* Interface active, can use i2c. If it fails, it can indeed mean, that | 578 | /* |
573 | * this wasn't our capture interface, so, we wait for the right one */ | 579 | * Interface active, can use i2c. If it fails, it can indeed mean, that |
580 | * this wasn't our capture interface, so, we wait for the right one | ||
581 | */ | ||
574 | static int mt9m001_video_probe(struct soc_camera_device *icd, | 582 | static int mt9m001_video_probe(struct soc_camera_device *icd, |
575 | struct i2c_client *client) | 583 | struct i2c_client *client) |
576 | { | 584 | { |
@@ -580,8 +588,10 @@ static int mt9m001_video_probe(struct soc_camera_device *icd, | |||
580 | unsigned long flags; | 588 | unsigned long flags; |
581 | int ret; | 589 | int ret; |
582 | 590 | ||
583 | /* We must have a parent by now. And it cannot be a wrong one. | 591 | /* |
584 | * So this entire test is completely redundant. */ | 592 | * We must have a parent by now. And it cannot be a wrong one. |
593 | * So this entire test is completely redundant. | ||
594 | */ | ||
585 | if (!icd->dev.parent || | 595 | if (!icd->dev.parent || |
586 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) | 596 | to_soc_camera_host(icd->dev.parent)->nr != icd->iface) |
587 | return -ENODEV; | 597 | return -ENODEV; |
@@ -737,8 +747,10 @@ static int mt9m001_probe(struct i2c_client *client, | |||
737 | mt9m001->rect.width = MT9M001_MAX_WIDTH; | 747 | mt9m001->rect.width = MT9M001_MAX_WIDTH; |
738 | mt9m001->rect.height = MT9M001_MAX_HEIGHT; | 748 | mt9m001->rect.height = MT9M001_MAX_HEIGHT; |
739 | 749 | ||
740 | /* Simulated autoexposure. If enabled, we calculate shutter width | 750 | /* |
741 | * ourselves in the driver based on vertical blanking and frame width */ | 751 | * Simulated autoexposure. If enabled, we calculate shutter width |
752 | * ourselves in the driver based on vertical blanking and frame width | ||
753 | */ | ||
742 | mt9m001->autoexposure = 1; | 754 | mt9m001->autoexposure = 1; |
743 | 755 | ||
744 | ret = mt9m001_video_probe(icd, client); | 756 | ret = mt9m001_video_probe(icd, client); |
diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c index 1adbb7b2b580..e3f664f21c48 100644 --- a/drivers/media/video/mt9t031.c +++ b/drivers/media/video/mt9t031.c | |||
@@ -17,9 +17,11 @@ | |||
17 | #include <media/v4l2-chip-ident.h> | 17 | #include <media/v4l2-chip-ident.h> |
18 | #include <media/soc_camera.h> | 18 | #include <media/soc_camera.h> |
19 | 19 | ||
20 | /* mt9t031 i2c address 0x5d | 20 | /* |
21 | * mt9t031 i2c address 0x5d | ||
21 | * The platform has to define i2c_board_info and link to it from | 22 | * The platform has to define i2c_board_info and link to it from |
22 | * struct soc_camera_link */ | 23 | * struct soc_camera_link |
24 | */ | ||
23 | 25 | ||
24 | /* mt9t031 selected register addresses */ | 26 | /* mt9t031 selected register addresses */ |
25 | #define MT9T031_CHIP_VERSION 0x00 | 27 | #define MT9T031_CHIP_VERSION 0x00 |
@@ -292,8 +294,10 @@ static int mt9t031_set_params(struct soc_camera_device *icd, | |||
292 | dev_dbg(&client->dev, "new physical left %u, top %u\n", | 294 | dev_dbg(&client->dev, "new physical left %u, top %u\n", |
293 | rect->left, rect->top); | 295 | rect->left, rect->top); |
294 | 296 | ||
295 | /* The caller provides a supported format, as guaranteed by | 297 | /* |
296 | * icd->try_fmt_cap(), soc_camera_s_crop() and soc_camera_cropcap() */ | 298 | * The caller provides a supported format, as guaranteed by |
299 | * icd->try_fmt_cap(), soc_camera_s_crop() and soc_camera_cropcap() | ||
300 | */ | ||
297 | if (ret >= 0) | 301 | if (ret >= 0) |
298 | ret = reg_write(client, MT9T031_COLUMN_START, rect->left); | 302 | ret = reg_write(client, MT9T031_COLUMN_START, rect->left); |
299 | if (ret >= 0) | 303 | if (ret >= 0) |
@@ -674,8 +678,10 @@ static int mt9t031_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | |||
674 | return 0; | 678 | return 0; |
675 | } | 679 | } |
676 | 680 | ||
677 | /* Interface active, can use i2c. If it fails, it can indeed mean, that | 681 | /* |
678 | * this wasn't our capture interface, so, we wait for the right one */ | 682 | * Interface active, can use i2c. If it fails, it can indeed mean, that |
683 | * this wasn't our capture interface, so, we wait for the right one | ||
684 | */ | ||
679 | static int mt9t031_video_probe(struct i2c_client *client) | 685 | static int mt9t031_video_probe(struct i2c_client *client) |
680 | { | 686 | { |
681 | struct soc_camera_device *icd = client->dev.platform_data; | 687 | struct soc_camera_device *icd = client->dev.platform_data; |
@@ -796,8 +802,10 @@ static int mt9t031_probe(struct i2c_client *client, | |||
796 | mt9t031->rect.width = MT9T031_MAX_WIDTH; | 802 | mt9t031->rect.width = MT9T031_MAX_WIDTH; |
797 | mt9t031->rect.height = MT9T031_MAX_HEIGHT; | 803 | mt9t031->rect.height = MT9T031_MAX_HEIGHT; |
798 | 804 | ||
799 | /* Simulated autoexposure. If enabled, we calculate shutter width | 805 | /* |
800 | * ourselves in the driver based on vertical blanking and frame width */ | 806 | * Simulated autoexposure. If enabled, we calculate shutter width |
807 | * ourselves in the driver based on vertical blanking and frame width | ||
808 | */ | ||
801 | mt9t031->autoexposure = 1; | 809 | mt9t031->autoexposure = 1; |
802 | 810 | ||
803 | mt9t031->xskip = 1; | 811 | mt9t031->xskip = 1; |
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c index b71898f1b085..f60a9a107f20 100644 --- a/drivers/media/video/mt9v022.c +++ b/drivers/media/video/mt9v022.c | |||
@@ -18,9 +18,11 @@ | |||
18 | #include <media/v4l2-chip-ident.h> | 18 | #include <media/v4l2-chip-ident.h> |
19 | #include <media/soc_camera.h> | 19 | #include <media/soc_camera.h> |
20 | 20 | ||
21 | /* mt9v022 i2c address 0x48, 0x4c, 0x58, 0x5c | 21 | /* |
22 | * mt9v022 i2c address 0x48, 0x4c, 0x58, 0x5c | ||
22 | * The platform has to define ctruct i2c_board_info objects and link to them | 23 | * The platform has to define ctruct i2c_board_info objects and link to them |
23 | * from struct soc_camera_link */ | 24 | * from struct soc_camera_link |
25 | */ | ||
24 | 26 | ||
25 | static char *sensor_type; | 27 | static char *sensor_type; |
26 | module_param(sensor_type, charp, S_IRUGO); | 28 | module_param(sensor_type, charp, S_IRUGO); |
@@ -63,8 +65,10 @@ MODULE_PARM_DESC(sensor_type, "Sensor type: \"colour\" or \"monochrome\""); | |||
63 | #define MT9V022_ROW_SKIP 4 | 65 | #define MT9V022_ROW_SKIP 4 |
64 | 66 | ||
65 | static const struct soc_camera_data_format mt9v022_colour_formats[] = { | 67 | static const struct soc_camera_data_format mt9v022_colour_formats[] = { |
66 | /* Order important: first natively supported, | 68 | /* |
67 | * second supported with a GPIO extender */ | 69 | * Order important: first natively supported, |
70 | * second supported with a GPIO extender | ||
71 | */ | ||
68 | { | 72 | { |
69 | .name = "Bayer (sRGB) 10 bit", | 73 | .name = "Bayer (sRGB) 10 bit", |
70 | .depth = 10, | 74 | .depth = 10, |
@@ -144,9 +148,11 @@ static int mt9v022_init(struct i2c_client *client) | |||
144 | struct mt9v022 *mt9v022 = to_mt9v022(client); | 148 | struct mt9v022 *mt9v022 = to_mt9v022(client); |
145 | int ret; | 149 | int ret; |
146 | 150 | ||
147 | /* Almost the default mode: master, parallel, simultaneous, and an | 151 | /* |
152 | * Almost the default mode: master, parallel, simultaneous, and an | ||
148 | * undocumented bit 0x200, which is present in table 7, but not in 8, | 153 | * undocumented bit 0x200, which is present in table 7, but not in 8, |
149 | * plus snapshot mode to disable scan for now */ | 154 | * plus snapshot mode to disable scan for now |
155 | */ | ||
150 | mt9v022->chip_control |= 0x10; | 156 | mt9v022->chip_control |= 0x10; |
151 | ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control); | 157 | ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control); |
152 | if (!ret) | 158 | if (!ret) |
@@ -298,8 +304,10 @@ static int mt9v022_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) | |||
298 | if (!ret) | 304 | if (!ret) |
299 | ret = reg_write(client, MT9V022_ROW_START, rect.top); | 305 | ret = reg_write(client, MT9V022_ROW_START, rect.top); |
300 | if (!ret) | 306 | if (!ret) |
301 | /* Default 94, Phytec driver says: | 307 | /* |
302 | * "width + horizontal blank >= 660" */ | 308 | * Default 94, Phytec driver says: |
309 | * "width + horizontal blank >= 660" | ||
310 | */ | ||
303 | ret = reg_write(client, MT9V022_HORIZONTAL_BLANKING, | 311 | ret = reg_write(client, MT9V022_HORIZONTAL_BLANKING, |
304 | rect.width > 660 - 43 ? 43 : | 312 | rect.width > 660 - 43 ? 43 : |
305 | 660 - rect.width); | 313 | 660 - rect.width); |
@@ -376,8 +384,10 @@ static int mt9v022_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) | |||
376 | }; | 384 | }; |
377 | int ret; | 385 | int ret; |
378 | 386 | ||
379 | /* The caller provides a supported format, as verified per call to | 387 | /* |
380 | * icd->try_fmt(), datawidth is from our supported format list */ | 388 | * The caller provides a supported format, as verified per call to |
389 | * icd->try_fmt(), datawidth is from our supported format list | ||
390 | */ | ||
381 | switch (pix->pixelformat) { | 391 | switch (pix->pixelformat) { |
382 | case V4L2_PIX_FMT_GREY: | 392 | case V4L2_PIX_FMT_GREY: |
383 | case V4L2_PIX_FMT_Y16: | 393 | case V4L2_PIX_FMT_Y16: |
@@ -635,8 +645,10 @@ static int mt9v022_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | |||
635 | 48 + range / 2) / range + 16; | 645 | 48 + range / 2) / range + 16; |
636 | if (gain >= 32) | 646 | if (gain >= 32) |
637 | gain &= ~1; | 647 | gain &= ~1; |
638 | /* The user wants to set gain manually, hope, she | 648 | /* |
639 | * knows, what she's doing... Switch AGC off. */ | 649 | * The user wants to set gain manually, hope, she |
650 | * knows, what she's doing... Switch AGC off. | ||
651 | */ | ||
640 | 652 | ||
641 | if (reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x2) < 0) | 653 | if (reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x2) < 0) |
642 | return -EIO; | 654 | return -EIO; |
@@ -655,8 +667,10 @@ static int mt9v022_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | |||
655 | unsigned long range = qctrl->maximum - qctrl->minimum; | 667 | unsigned long range = qctrl->maximum - qctrl->minimum; |
656 | unsigned long shutter = ((ctrl->value - qctrl->minimum) * | 668 | unsigned long shutter = ((ctrl->value - qctrl->minimum) * |
657 | 479 + range / 2) / range + 1; | 669 | 479 + range / 2) / range + 1; |
658 | /* The user wants to set shutter width manually, hope, | 670 | /* |
659 | * she knows, what she's doing... Switch AEC off. */ | 671 | * The user wants to set shutter width manually, hope, |
672 | * she knows, what she's doing... Switch AEC off. | ||
673 | */ | ||
660 | 674 | ||
661 | if (reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x1) < 0) | 675 | if (reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x1) < 0) |
662 | return -EIO; | 676 | return -EIO; |
@@ -689,8 +703,10 @@ static int mt9v022_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | |||
689 | return 0; | 703 | return 0; |
690 | } | 704 | } |
691 | 705 | ||
692 | /* Interface active, can use i2c. If it fails, it can indeed mean, that | 706 | /* |
693 | * this wasn't our capture interface, so, we wait for the right one */ | 707 | * Interface active, can use i2c. If it fails, it can indeed mean, that |
708 | * this wasn't our capture interface, so, we wait for the right one | ||
709 | */ | ||
694 | static int mt9v022_video_probe(struct soc_camera_device *icd, | 710 | static int mt9v022_video_probe(struct soc_camera_device *icd, |
695 | struct i2c_client *client) | 711 | struct i2c_client *client) |
696 | { | 712 | { |
diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c index 72802291e812..4c1a439373c5 100644 --- a/drivers/media/video/mx1_camera.c +++ b/drivers/media/video/mx1_camera.c | |||
@@ -99,9 +99,11 @@ struct mx1_buffer { | |||
99 | int inwork; | 99 | int inwork; |
100 | }; | 100 | }; |
101 | 101 | ||
102 | /* i.MX1/i.MXL is only supposed to handle one camera on its Camera Sensor | 102 | /* |
103 | * i.MX1/i.MXL is only supposed to handle one camera on its Camera Sensor | ||
103 | * Interface. If anyone ever builds hardware to enable more than | 104 | * Interface. If anyone ever builds hardware to enable more than |
104 | * one camera, they will have to modify this driver too */ | 105 | * one camera, they will have to modify this driver too |
106 | */ | ||
105 | struct mx1_camera_dev { | 107 | struct mx1_camera_dev { |
106 | struct soc_camera_host soc_host; | 108 | struct soc_camera_host soc_host; |
107 | struct soc_camera_device *icd; | 109 | struct soc_camera_device *icd; |
@@ -151,8 +153,10 @@ static void free_buffer(struct videobuf_queue *vq, struct mx1_buffer *buf) | |||
151 | dev_dbg(icd->dev.parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, | 153 | dev_dbg(icd->dev.parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, |
152 | vb, vb->baddr, vb->bsize); | 154 | vb, vb->baddr, vb->bsize); |
153 | 155 | ||
154 | /* This waits until this buffer is out of danger, i.e., until it is no | 156 | /* |
155 | * longer in STATE_QUEUED or STATE_ACTIVE */ | 157 | * This waits until this buffer is out of danger, i.e., until it is no |
158 | * longer in STATE_QUEUED or STATE_ACTIVE | ||
159 | */ | ||
156 | videobuf_waiton(vb, 0, 0); | 160 | videobuf_waiton(vb, 0, 0); |
157 | videobuf_dma_contig_free(vq, vb); | 161 | videobuf_dma_contig_free(vq, vb); |
158 | 162 | ||
@@ -174,8 +178,10 @@ static int mx1_videobuf_prepare(struct videobuf_queue *vq, | |||
174 | 178 | ||
175 | BUG_ON(NULL == icd->current_fmt); | 179 | BUG_ON(NULL == icd->current_fmt); |
176 | 180 | ||
177 | /* I think, in buf_prepare you only have to protect global data, | 181 | /* |
178 | * the actual buffer is yours */ | 182 | * I think, in buf_prepare you only have to protect global data, |
183 | * the actual buffer is yours | ||
184 | */ | ||
179 | buf->inwork = 1; | 185 | buf->inwork = 1; |
180 | 186 | ||
181 | if (buf->fmt != icd->current_fmt || | 187 | if (buf->fmt != icd->current_fmt || |
@@ -381,8 +387,10 @@ static int mclk_get_divisor(struct mx1_camera_dev *pcdev) | |||
381 | 387 | ||
382 | lcdclk = clk_get_rate(pcdev->clk); | 388 | lcdclk = clk_get_rate(pcdev->clk); |
383 | 389 | ||
384 | /* We verify platform_mclk_10khz != 0, so if anyone breaks it, here | 390 | /* |
385 | * they get a nice Oops */ | 391 | * We verify platform_mclk_10khz != 0, so if anyone breaks it, here |
392 | * they get a nice Oops | ||
393 | */ | ||
386 | div = (lcdclk + 2 * mclk - 1) / (2 * mclk) - 1; | 394 | div = (lcdclk + 2 * mclk - 1) / (2 * mclk) - 1; |
387 | 395 | ||
388 | dev_dbg(pcdev->icd->dev.parent, | 396 | dev_dbg(pcdev->icd->dev.parent, |
@@ -420,8 +428,10 @@ static void mx1_camera_deactivate(struct mx1_camera_dev *pcdev) | |||
420 | clk_disable(pcdev->clk); | 428 | clk_disable(pcdev->clk); |
421 | } | 429 | } |
422 | 430 | ||
423 | /* The following two functions absolutely depend on the fact, that | 431 | /* |
424 | * there can be only one camera on i.MX1/i.MXL camera sensor interface */ | 432 | * The following two functions absolutely depend on the fact, that |
433 | * there can be only one camera on i.MX1/i.MXL camera sensor interface | ||
434 | */ | ||
425 | static int mx1_camera_add_device(struct soc_camera_device *icd) | 435 | static int mx1_camera_add_device(struct soc_camera_device *icd) |
426 | { | 436 | { |
427 | struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); | 437 | struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); |
@@ -578,10 +588,12 @@ static int mx1_camera_reqbufs(struct soc_camera_file *icf, | |||
578 | { | 588 | { |
579 | int i; | 589 | int i; |
580 | 590 | ||
581 | /* This is for locking debugging only. I removed spinlocks and now I | 591 | /* |
592 | * This is for locking debugging only. I removed spinlocks and now I | ||
582 | * check whether .prepare is ever called on a linked buffer, or whether | 593 | * check whether .prepare is ever called on a linked buffer, or whether |
583 | * a dma IRQ can occur for an in-work or unlinked buffer. Until now | 594 | * a dma IRQ can occur for an in-work or unlinked buffer. Until now |
584 | * it hadn't triggered */ | 595 | * it hadn't triggered |
596 | */ | ||
585 | for (i = 0; i < p->count; i++) { | 597 | for (i = 0; i < p->count; i++) { |
586 | struct mx1_buffer *buf = container_of(icf->vb_vidq.bufs[i], | 598 | struct mx1_buffer *buf = container_of(icf->vb_vidq.bufs[i], |
587 | struct mx1_buffer, vb); | 599 | struct mx1_buffer, vb); |
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index 7db82bdf6f31..ae7d48324493 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c | |||
@@ -564,8 +564,10 @@ static int test_platform_param(struct mx3_camera_dev *mx3_cam, | |||
564 | SOCAM_DATA_ACTIVE_HIGH | | 564 | SOCAM_DATA_ACTIVE_HIGH | |
565 | SOCAM_DATA_ACTIVE_LOW; | 565 | SOCAM_DATA_ACTIVE_LOW; |
566 | 566 | ||
567 | /* If requested data width is supported by the platform, use it or any | 567 | /* |
568 | * possible lower value - i.MX31 is smart enough to schift bits */ | 568 | * If requested data width is supported by the platform, use it or any |
569 | * possible lower value - i.MX31 is smart enough to schift bits | ||
570 | */ | ||
569 | switch (buswidth) { | 571 | switch (buswidth) { |
570 | case 15: | 572 | case 15: |
571 | if (!(mx3_cam->platform_flags & MX3_CAMERA_DATAWIDTH_15)) | 573 | if (!(mx3_cam->platform_flags & MX3_CAMERA_DATAWIDTH_15)) |
@@ -1027,8 +1029,10 @@ static int mx3_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt) | |||
1027 | common_flags &= ~SOCAM_PCLK_SAMPLE_FALLING; | 1029 | common_flags &= ~SOCAM_PCLK_SAMPLE_FALLING; |
1028 | } | 1030 | } |
1029 | 1031 | ||
1030 | /* Make the camera work in widest common mode, we'll take care of | 1032 | /* |
1031 | * the rest */ | 1033 | * Make the camera work in widest common mode, we'll take care of |
1034 | * the rest | ||
1035 | */ | ||
1032 | if (common_flags & SOCAM_DATAWIDTH_15) | 1036 | if (common_flags & SOCAM_DATAWIDTH_15) |
1033 | common_flags = (common_flags & ~SOCAM_DATAWIDTH_MASK) | | 1037 | common_flags = (common_flags & ~SOCAM_DATAWIDTH_MASK) | |
1034 | SOCAM_DATAWIDTH_15; | 1038 | SOCAM_DATAWIDTH_15; |
@@ -1152,8 +1156,10 @@ static int __devinit mx3_camera_probe(struct platform_device *pdev) | |||
1152 | if (!(mx3_cam->platform_flags & (MX3_CAMERA_DATAWIDTH_4 | | 1156 | if (!(mx3_cam->platform_flags & (MX3_CAMERA_DATAWIDTH_4 | |
1153 | MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10 | | 1157 | MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10 | |
1154 | MX3_CAMERA_DATAWIDTH_15))) { | 1158 | MX3_CAMERA_DATAWIDTH_15))) { |
1155 | /* Platform hasn't set available data widths. This is bad. | 1159 | /* |
1156 | * Warn and use a default. */ | 1160 | * Platform hasn't set available data widths. This is bad. |
1161 | * Warn and use a default. | ||
1162 | */ | ||
1157 | dev_warn(&pdev->dev, "WARNING! Platform hasn't set available " | 1163 | dev_warn(&pdev->dev, "WARNING! Platform hasn't set available " |
1158 | "data widths, using default 8 bit\n"); | 1164 | "data widths, using default 8 bit\n"); |
1159 | mx3_cam->platform_flags |= MX3_CAMERA_DATAWIDTH_8; | 1165 | mx3_cam->platform_flags |= MX3_CAMERA_DATAWIDTH_8; |
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c index 4df09a693ec7..f063f5981f43 100644 --- a/drivers/media/video/pxa_camera.c +++ b/drivers/media/video/pxa_camera.c | |||
@@ -197,9 +197,11 @@ struct pxa_buffer { | |||
197 | 197 | ||
198 | struct pxa_camera_dev { | 198 | struct pxa_camera_dev { |
199 | struct soc_camera_host soc_host; | 199 | struct soc_camera_host soc_host; |
200 | /* PXA27x is only supposed to handle one camera on its Quick Capture | 200 | /* |
201 | * PXA27x is only supposed to handle one camera on its Quick Capture | ||
201 | * interface. If anyone ever builds hardware to enable more than | 202 | * interface. If anyone ever builds hardware to enable more than |
202 | * one camera, they will have to modify this driver too */ | 203 | * one camera, they will have to modify this driver too |
204 | */ | ||
203 | struct soc_camera_device *icd; | 205 | struct soc_camera_device *icd; |
204 | struct clk *clk; | 206 | struct clk *clk; |
205 | 207 | ||
@@ -267,8 +269,10 @@ static void free_buffer(struct videobuf_queue *vq, struct pxa_buffer *buf) | |||
267 | dev_dbg(icd->dev.parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, | 269 | dev_dbg(icd->dev.parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, |
268 | &buf->vb, buf->vb.baddr, buf->vb.bsize); | 270 | &buf->vb, buf->vb.baddr, buf->vb.bsize); |
269 | 271 | ||
270 | /* This waits until this buffer is out of danger, i.e., until it is no | 272 | /* |
271 | * longer in STATE_QUEUED or STATE_ACTIVE */ | 273 | * This waits until this buffer is out of danger, i.e., until it is no |
274 | * longer in STATE_QUEUED or STATE_ACTIVE | ||
275 | */ | ||
272 | videobuf_waiton(&buf->vb, 0, 0); | 276 | videobuf_waiton(&buf->vb, 0, 0); |
273 | videobuf_dma_unmap(vq, dma); | 277 | videobuf_dma_unmap(vq, dma); |
274 | videobuf_dma_free(dma); | 278 | videobuf_dma_free(dma); |
@@ -437,15 +441,19 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq, | |||
437 | WARN_ON(!list_empty(&vb->queue)); | 441 | WARN_ON(!list_empty(&vb->queue)); |
438 | 442 | ||
439 | #ifdef DEBUG | 443 | #ifdef DEBUG |
440 | /* This can be useful if you want to see if we actually fill | 444 | /* |
441 | * the buffer with something */ | 445 | * This can be useful if you want to see if we actually fill |
446 | * the buffer with something | ||
447 | */ | ||
442 | memset((void *)vb->baddr, 0xaa, vb->bsize); | 448 | memset((void *)vb->baddr, 0xaa, vb->bsize); |
443 | #endif | 449 | #endif |
444 | 450 | ||
445 | BUG_ON(NULL == icd->current_fmt); | 451 | BUG_ON(NULL == icd->current_fmt); |
446 | 452 | ||
447 | /* I think, in buf_prepare you only have to protect global data, | 453 | /* |
448 | * the actual buffer is yours */ | 454 | * I think, in buf_prepare you only have to protect global data, |
455 | * the actual buffer is yours | ||
456 | */ | ||
449 | buf->inwork = 1; | 457 | buf->inwork = 1; |
450 | 458 | ||
451 | if (buf->fmt != icd->current_fmt || | 459 | if (buf->fmt != icd->current_fmt || |
@@ -834,8 +842,10 @@ static void pxa_camera_init_videobuf(struct videobuf_queue *q, | |||
834 | struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); | 842 | struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); |
835 | struct pxa_camera_dev *pcdev = ici->priv; | 843 | struct pxa_camera_dev *pcdev = ici->priv; |
836 | 844 | ||
837 | /* We must pass NULL as dev pointer, then all pci_* dma operations | 845 | /* |
838 | * transform to normal dma_* ones. */ | 846 | * We must pass NULL as dev pointer, then all pci_* dma operations |
847 | * transform to normal dma_* ones. | ||
848 | */ | ||
839 | videobuf_queue_sg_init(q, &pxa_videobuf_ops, NULL, &pcdev->lock, | 849 | videobuf_queue_sg_init(q, &pxa_videobuf_ops, NULL, &pcdev->lock, |
840 | V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, | 850 | V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, |
841 | sizeof(struct pxa_buffer), icd); | 851 | sizeof(struct pxa_buffer), icd); |
@@ -1059,8 +1069,10 @@ static void pxa_camera_setup_cicr(struct soc_camera_device *icd, | |||
1059 | if (ret < 0) | 1069 | if (ret < 0) |
1060 | y_skip_top = 0; | 1070 | y_skip_top = 0; |
1061 | 1071 | ||
1062 | /* Datawidth is now guaranteed to be equal to one of the three values. | 1072 | /* |
1063 | * We fix bit-per-pixel equal to data-width... */ | 1073 | * Datawidth is now guaranteed to be equal to one of the three values. |
1074 | * We fix bit-per-pixel equal to data-width... | ||
1075 | */ | ||
1064 | switch (flags & SOCAM_DATAWIDTH_MASK) { | 1076 | switch (flags & SOCAM_DATAWIDTH_MASK) { |
1065 | case SOCAM_DATAWIDTH_10: | 1077 | case SOCAM_DATAWIDTH_10: |
1066 | dw = 4; | 1078 | dw = 4; |
@@ -1071,8 +1083,10 @@ static void pxa_camera_setup_cicr(struct soc_camera_device *icd, | |||
1071 | bpp = 0x20; | 1083 | bpp = 0x20; |
1072 | break; | 1084 | break; |
1073 | default: | 1085 | default: |
1074 | /* Actually it can only be 8 now, | 1086 | /* |
1075 | * default is just to silence compiler warnings */ | 1087 | * Actually it can only be 8 now, |
1088 | * default is just to silence compiler warnings | ||
1089 | */ | ||
1076 | case SOCAM_DATAWIDTH_8: | 1090 | case SOCAM_DATAWIDTH_8: |
1077 | dw = 2; | 1091 | dw = 2; |
1078 | bpp = 0; | 1092 | bpp = 0; |
@@ -1524,10 +1538,12 @@ static int pxa_camera_reqbufs(struct soc_camera_file *icf, | |||
1524 | { | 1538 | { |
1525 | int i; | 1539 | int i; |
1526 | 1540 | ||
1527 | /* This is for locking debugging only. I removed spinlocks and now I | 1541 | /* |
1542 | * This is for locking debugging only. I removed spinlocks and now I | ||
1528 | * check whether .prepare is ever called on a linked buffer, or whether | 1543 | * check whether .prepare is ever called on a linked buffer, or whether |
1529 | * a dma IRQ can occur for an in-work or unlinked buffer. Until now | 1544 | * a dma IRQ can occur for an in-work or unlinked buffer. Until now |
1530 | * it hadn't triggered */ | 1545 | * it hadn't triggered |
1546 | */ | ||
1531 | for (i = 0; i < p->count; i++) { | 1547 | for (i = 0; i < p->count; i++) { |
1532 | struct pxa_buffer *buf = container_of(icf->vb_vidq.bufs[i], | 1548 | struct pxa_buffer *buf = container_of(icf->vb_vidq.bufs[i], |
1533 | struct pxa_buffer, vb); | 1549 | struct pxa_buffer, vb); |
@@ -1662,8 +1678,10 @@ static int __devinit pxa_camera_probe(struct platform_device *pdev) | |||
1662 | pcdev->platform_flags = pcdev->pdata->flags; | 1678 | pcdev->platform_flags = pcdev->pdata->flags; |
1663 | if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 | | 1679 | if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 | |
1664 | PXA_CAMERA_DATAWIDTH_9 | PXA_CAMERA_DATAWIDTH_10))) { | 1680 | PXA_CAMERA_DATAWIDTH_9 | PXA_CAMERA_DATAWIDTH_10))) { |
1665 | /* Platform hasn't set available data widths. This is bad. | 1681 | /* |
1666 | * Warn and use a default. */ | 1682 | * Platform hasn't set available data widths. This is bad. |
1683 | * Warn and use a default. | ||
1684 | */ | ||
1667 | dev_warn(&pdev->dev, "WARNING! Platform hasn't set available " | 1685 | dev_warn(&pdev->dev, "WARNING! Platform hasn't set available " |
1668 | "data widths, using default 10 bit\n"); | 1686 | "data widths, using default 10 bit\n"); |
1669 | pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; | 1687 | pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; |
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index 7509990c65d7..3271944f261c 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c | |||
@@ -252,7 +252,8 @@ static int sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev) | |||
252 | u32 status; | 252 | u32 status; |
253 | int ret = 0; | 253 | int ret = 0; |
254 | 254 | ||
255 | /* The hardware is _very_ picky about this sequence. Especially | 255 | /* |
256 | * The hardware is _very_ picky about this sequence. Especially | ||
256 | * the CEU_CETCR_MAGIC value. It seems like we need to acknowledge | 257 | * the CEU_CETCR_MAGIC value. It seems like we need to acknowledge |
257 | * several not-so-well documented interrupt sources in CETCR. | 258 | * several not-so-well documented interrupt sources in CETCR. |
258 | */ | 259 | */ |
@@ -321,8 +322,10 @@ static int sh_mobile_ceu_videobuf_prepare(struct videobuf_queue *vq, | |||
321 | WARN_ON(!list_empty(&vb->queue)); | 322 | WARN_ON(!list_empty(&vb->queue)); |
322 | 323 | ||
323 | #ifdef DEBUG | 324 | #ifdef DEBUG |
324 | /* This can be useful if you want to see if we actually fill | 325 | /* |
325 | * the buffer with something */ | 326 | * This can be useful if you want to see if we actually fill |
327 | * the buffer with something | ||
328 | */ | ||
326 | memset((void *)vb->baddr, 0xaa, vb->bsize); | 329 | memset((void *)vb->baddr, 0xaa, vb->bsize); |
327 | #endif | 330 | #endif |
328 | 331 | ||
@@ -709,7 +712,8 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd, | |||
709 | 712 | ||
710 | ceu_write(pcdev, CFLCR, pcdev->cflcr); | 713 | ceu_write(pcdev, CFLCR, pcdev->cflcr); |
711 | 714 | ||
712 | /* A few words about byte order (observed in Big Endian mode) | 715 | /* |
716 | * A few words about byte order (observed in Big Endian mode) | ||
713 | * | 717 | * |
714 | * In data fetch mode bytes are received in chunks of 8 bytes. | 718 | * In data fetch mode bytes are received in chunks of 8 bytes. |
715 | * D0, D1, D2, D3, D4, D5, D6, D7 (D0 received first) | 719 | * D0, D1, D2, D3, D4, D5, D6, D7 (D0 received first) |
@@ -1573,10 +1577,12 @@ static int sh_mobile_ceu_reqbufs(struct soc_camera_file *icf, | |||
1573 | { | 1577 | { |
1574 | int i; | 1578 | int i; |
1575 | 1579 | ||
1576 | /* This is for locking debugging only. I removed spinlocks and now I | 1580 | /* |
1581 | * This is for locking debugging only. I removed spinlocks and now I | ||
1577 | * check whether .prepare is ever called on a linked buffer, or whether | 1582 | * check whether .prepare is ever called on a linked buffer, or whether |
1578 | * a dma IRQ can occur for an in-work or unlinked buffer. Until now | 1583 | * a dma IRQ can occur for an in-work or unlinked buffer. Until now |
1579 | * it hadn't triggered */ | 1584 | * it hadn't triggered |
1585 | */ | ||
1580 | for (i = 0; i < p->count; i++) { | 1586 | for (i = 0; i < p->count; i++) { |
1581 | struct sh_mobile_ceu_buffer *buf; | 1587 | struct sh_mobile_ceu_buffer *buf; |
1582 | 1588 | ||
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index 804c675f2cb9..5fdedc766401 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c | |||
@@ -621,8 +621,10 @@ static int soc_camera_streamoff(struct file *file, void *priv, | |||
621 | 621 | ||
622 | mutex_lock(&icd->video_lock); | 622 | mutex_lock(&icd->video_lock); |
623 | 623 | ||
624 | /* This calls buf_release from host driver's videobuf_queue_ops for all | 624 | /* |
625 | * remaining buffers. When the last buffer is freed, stop capture */ | 625 | * This calls buf_release from host driver's videobuf_queue_ops for all |
626 | * remaining buffers. When the last buffer is freed, stop capture | ||
627 | */ | ||
626 | videobuf_streamoff(&icf->vb_vidq); | 628 | videobuf_streamoff(&icf->vb_vidq); |
627 | 629 | ||
628 | v4l2_subdev_call(sd, video, s_stream, 0); | 630 | v4l2_subdev_call(sd, video, s_stream, 0); |
@@ -1004,8 +1006,10 @@ epower: | |||
1004 | return ret; | 1006 | return ret; |
1005 | } | 1007 | } |
1006 | 1008 | ||
1007 | /* This is called on device_unregister, which only means we have to disconnect | 1009 | /* |
1008 | * from the host, but not remove ourselves from the device list */ | 1010 | * This is called on device_unregister, which only means we have to disconnect |
1011 | * from the host, but not remove ourselves from the device list | ||
1012 | */ | ||
1009 | static int soc_camera_remove(struct device *dev) | 1013 | static int soc_camera_remove(struct device *dev) |
1010 | { | 1014 | { |
1011 | struct soc_camera_device *icd = to_soc_camera_dev(dev); | 1015 | struct soc_camera_device *icd = to_soc_camera_dev(dev); |
@@ -1205,8 +1209,10 @@ static int soc_camera_device_register(struct soc_camera_device *icd) | |||
1205 | } | 1209 | } |
1206 | 1210 | ||
1207 | if (num < 0) | 1211 | if (num < 0) |
1208 | /* ok, we have 256 cameras on this host... | 1212 | /* |
1209 | * man, stay reasonable... */ | 1213 | * ok, we have 256 cameras on this host... |
1214 | * man, stay reasonable... | ||
1215 | */ | ||
1210 | return -ENOMEM; | 1216 | return -ENOMEM; |
1211 | 1217 | ||
1212 | icd->devnum = num; | 1218 | icd->devnum = num; |
@@ -1333,9 +1339,11 @@ escdevreg: | |||
1333 | return ret; | 1339 | return ret; |
1334 | } | 1340 | } |
1335 | 1341 | ||
1336 | /* Only called on rmmod for each platform device, since they are not | 1342 | /* |
1343 | * Only called on rmmod for each platform device, since they are not | ||
1337 | * hot-pluggable. Now we know, that all our users - hosts and devices have | 1344 | * hot-pluggable. Now we know, that all our users - hosts and devices have |
1338 | * been unloaded already */ | 1345 | * been unloaded already |
1346 | */ | ||
1339 | static int __devexit soc_camera_pdrv_remove(struct platform_device *pdev) | 1347 | static int __devexit soc_camera_pdrv_remove(struct platform_device *pdev) |
1340 | { | 1348 | { |
1341 | struct soc_camera_device *icd = platform_get_drvdata(pdev); | 1349 | struct soc_camera_device *icd = platform_get_drvdata(pdev); |
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c index 7bf90a29daee..3cb9ba6caa41 100644 --- a/drivers/media/video/tw9910.c +++ b/drivers/media/video/tw9910.c | |||
@@ -180,9 +180,8 @@ | |||
180 | */ | 180 | */ |
181 | 181 | ||
182 | /* VBICNTL */ | 182 | /* VBICNTL */ |
183 | /* RTSEL : control the real time signal | 183 | |
184 | * output from the MPOUT pin | 184 | /* RTSEL : control the real time signal output from the MPOUT pin */ |
185 | */ | ||
186 | #define RTSEL_MASK 0x07 | 185 | #define RTSEL_MASK 0x07 |
187 | #define RTSEL_VLOSS 0x00 /* 0000 = Video loss */ | 186 | #define RTSEL_VLOSS 0x00 /* 0000 = Video loss */ |
188 | #define RTSEL_HLOCK 0x01 /* 0001 = H-lock */ | 187 | #define RTSEL_HLOCK 0x01 /* 0001 = H-lock */ |
@@ -596,7 +595,8 @@ static int tw9910_g_register(struct v4l2_subdev *sd, | |||
596 | if (ret < 0) | 595 | if (ret < 0) |
597 | return ret; | 596 | return ret; |
598 | 597 | ||
599 | /* ret = int | 598 | /* |
599 | * ret = int | ||
600 | * reg->val = __u64 | 600 | * reg->val = __u64 |
601 | */ | 601 | */ |
602 | reg->val = (__u64)ret; | 602 | reg->val = (__u64)ret; |