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authorArnd Bergmann <arnd@arndb.de>2018-03-09 11:30:07 -0500
committerArnd Bergmann <arnd@arndb.de>2018-03-26 09:56:47 -0400
commit3e3a5f7d5731f4db3b252d09332732bd051a8468 (patch)
tree5bdfe92770180b7a19e08be474a0fbef79d27d97
parentc14094a48d00768ee2a1defff1fee0e51dbe15bb (diff)
media: platform: remove blackfin capture driver
The blackfin architecture is getting removed, so the video capture driver is also obsolete. Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by: Aaron Wu <aaron.wu@analog.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat
-rw-r--r--drivers/media/platform/Kconfig2
-rw-r--r--drivers/media/platform/Makefile2
-rw-r--r--drivers/media/platform/blackfin/Kconfig16
-rw-r--r--drivers/media/platform/blackfin/Makefile2
-rw-r--r--drivers/media/platform/blackfin/bfin_capture.c989
-rw-r--r--drivers/media/platform/blackfin/ppi.c361
-rw-r--r--include/media/blackfin/bfin_capture.h39
-rw-r--r--include/media/blackfin/ppi.h94
8 files changed, 0 insertions, 1505 deletions
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 614fbef08ddc..00158b35c7db 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -31,8 +31,6 @@ source "drivers/media/platform/davinci/Kconfig"
31 31
32source "drivers/media/platform/omap/Kconfig" 32source "drivers/media/platform/omap/Kconfig"
33 33
34source "drivers/media/platform/blackfin/Kconfig"
35
36config VIDEO_SH_VOU 34config VIDEO_SH_VOU
37 tristate "SuperH VOU video output driver" 35 tristate "SuperH VOU video output driver"
38 depends on MEDIA_CAMERA_SUPPORT 36 depends on MEDIA_CAMERA_SUPPORT
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index 7f3080437be6..e2b5cb36ee84 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -53,8 +53,6 @@ obj-$(CONFIG_VIDEO_TEGRA_HDMI_CEC) += tegra-cec/
53 53
54obj-y += stm32/ 54obj-y += stm32/
55 55
56obj-y += blackfin/
57
58obj-y += davinci/ 56obj-y += davinci/
59 57
60obj-$(CONFIG_VIDEO_SH_VOU) += sh_vou.o 58obj-$(CONFIG_VIDEO_SH_VOU) += sh_vou.o
diff --git a/drivers/media/platform/blackfin/Kconfig b/drivers/media/platform/blackfin/Kconfig
deleted file mode 100644
index 68fa90151b8f..000000000000
--- a/drivers/media/platform/blackfin/Kconfig
+++ /dev/null
@@ -1,16 +0,0 @@
1config VIDEO_BLACKFIN_CAPTURE
2 tristate "Blackfin Video Capture Driver"
3 depends on VIDEO_V4L2 && BLACKFIN && I2C
4 depends on HAS_DMA
5 select VIDEOBUF2_DMA_CONTIG
6 help
7 V4L2 bridge driver for Blackfin video capture device.
8 Choose PPI or EPPI as its interface.
9
10 To compile this driver as a module, choose M here: the
11 module will be called bfin_capture.
12
13config VIDEO_BLACKFIN_PPI
14 tristate
15 depends on VIDEO_BLACKFIN_CAPTURE
16 default VIDEO_BLACKFIN_CAPTURE
diff --git a/drivers/media/platform/blackfin/Makefile b/drivers/media/platform/blackfin/Makefile
deleted file mode 100644
index 30421bc23080..000000000000
--- a/drivers/media/platform/blackfin/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
1obj-$(CONFIG_VIDEO_BLACKFIN_CAPTURE) += bfin_capture.o
2obj-$(CONFIG_VIDEO_BLACKFIN_PPI) += ppi.o
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
deleted file mode 100644
index 41f179117fb0..000000000000
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ /dev/null
@@ -1,989 +0,0 @@
1/*
2 * Analog Devices video capture driver
3 *
4 * Copyright (c) 2011 Analog Devices Inc.
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 version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#include <linux/completion.h>
17#include <linux/delay.h>
18#include <linux/errno.h>
19#include <linux/fs.h>
20#include <linux/i2c.h>
21#include <linux/init.h>
22#include <linux/interrupt.h>
23#include <linux/io.h>
24#include <linux/mm.h>
25#include <linux/module.h>
26#include <linux/platform_device.h>
27#include <linux/slab.h>
28#include <linux/time.h>
29#include <linux/types.h>
30
31#include <media/v4l2-common.h>
32#include <media/v4l2-ctrls.h>
33#include <media/v4l2-device.h>
34#include <media/v4l2-ioctl.h>
35#include <media/videobuf2-dma-contig.h>
36
37#include <asm/dma.h>
38
39#include <media/blackfin/bfin_capture.h>
40#include <media/blackfin/ppi.h>
41
42#define CAPTURE_DRV_NAME "bfin_capture"
43
44struct bcap_format {
45 char *desc;
46 u32 pixelformat;
47 u32 mbus_code;
48 int bpp; /* bits per pixel */
49 int dlen; /* data length for ppi in bits */
50};
51
52struct bcap_buffer {
53 struct vb2_v4l2_buffer vb;
54 struct list_head list;
55};
56
57struct bcap_device {
58 /* capture device instance */
59 struct v4l2_device v4l2_dev;
60 /* v4l2 control handler */
61 struct v4l2_ctrl_handler ctrl_handler;
62 /* device node data */
63 struct video_device video_dev;
64 /* sub device instance */
65 struct v4l2_subdev *sd;
66 /* capture config */
67 struct bfin_capture_config *cfg;
68 /* ppi interface */
69 struct ppi_if *ppi;
70 /* current input */
71 unsigned int cur_input;
72 /* current selected standard */
73 v4l2_std_id std;
74 /* current selected dv_timings */
75 struct v4l2_dv_timings dv_timings;
76 /* used to store pixel format */
77 struct v4l2_pix_format fmt;
78 /* bits per pixel*/
79 int bpp;
80 /* data length for ppi in bits */
81 int dlen;
82 /* used to store sensor supported format */
83 struct bcap_format *sensor_formats;
84 /* number of sensor formats array */
85 int num_sensor_formats;
86 /* pointing to current video buffer */
87 struct bcap_buffer *cur_frm;
88 /* buffer queue used in videobuf2 */
89 struct vb2_queue buffer_queue;
90 /* queue of filled frames */
91 struct list_head dma_queue;
92 /* used in videobuf2 callback */
93 spinlock_t lock;
94 /* used to access capture device */
95 struct mutex mutex;
96 /* used to wait ppi to complete one transfer */
97 struct completion comp;
98 /* prepare to stop */
99 bool stop;
100 /* vb2 buffer sequence counter */
101 unsigned sequence;
102};
103
104static const struct bcap_format bcap_formats[] = {
105 {
106 .desc = "YCbCr 4:2:2 Interleaved UYVY",
107 .pixelformat = V4L2_PIX_FMT_UYVY,
108 .mbus_code = MEDIA_BUS_FMT_UYVY8_2X8,
109 .bpp = 16,
110 .dlen = 8,
111 },
112 {
113 .desc = "YCbCr 4:2:2 Interleaved YUYV",
114 .pixelformat = V4L2_PIX_FMT_YUYV,
115 .mbus_code = MEDIA_BUS_FMT_YUYV8_2X8,
116 .bpp = 16,
117 .dlen = 8,
118 },
119 {
120 .desc = "YCbCr 4:2:2 Interleaved UYVY",
121 .pixelformat = V4L2_PIX_FMT_UYVY,
122 .mbus_code = MEDIA_BUS_FMT_UYVY8_1X16,
123 .bpp = 16,
124 .dlen = 16,
125 },
126 {
127 .desc = "RGB 565",
128 .pixelformat = V4L2_PIX_FMT_RGB565,
129 .mbus_code = MEDIA_BUS_FMT_RGB565_2X8_LE,
130 .bpp = 16,
131 .dlen = 8,
132 },
133 {
134 .desc = "RGB 444",
135 .pixelformat = V4L2_PIX_FMT_RGB444,
136 .mbus_code = MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE,
137 .bpp = 16,
138 .dlen = 8,
139 },
140
141};
142#define BCAP_MAX_FMTS ARRAY_SIZE(bcap_formats)
143
144static irqreturn_t bcap_isr(int irq, void *dev_id);
145
146static struct bcap_buffer *to_bcap_vb(struct vb2_v4l2_buffer *vb)
147{
148 return container_of(vb, struct bcap_buffer, vb);
149}
150
151static int bcap_init_sensor_formats(struct bcap_device *bcap_dev)
152{
153 struct v4l2_subdev_mbus_code_enum code = {
154 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
155 };
156 struct bcap_format *sf;
157 unsigned int num_formats = 0;
158 int i, j;
159
160 while (!v4l2_subdev_call(bcap_dev->sd, pad,
161 enum_mbus_code, NULL, &code)) {
162 num_formats++;
163 code.index++;
164 }
165 if (!num_formats)
166 return -ENXIO;
167
168 sf = kcalloc(num_formats, sizeof(*sf), GFP_KERNEL);
169 if (!sf)
170 return -ENOMEM;
171
172 for (i = 0; i < num_formats; i++) {
173 code.index = i;
174 v4l2_subdev_call(bcap_dev->sd, pad,
175 enum_mbus_code, NULL, &code);
176 for (j = 0; j < BCAP_MAX_FMTS; j++)
177 if (code.code == bcap_formats[j].mbus_code)
178 break;
179 if (j == BCAP_MAX_FMTS) {
180 /* we don't allow this sensor working with our bridge */
181 kfree(sf);
182 return -EINVAL;
183 }
184 sf[i] = bcap_formats[j];
185 }
186 bcap_dev->sensor_formats = sf;
187 bcap_dev->num_sensor_formats = num_formats;
188 return 0;
189}
190
191static void bcap_free_sensor_formats(struct bcap_device *bcap_dev)
192{
193 bcap_dev->num_sensor_formats = 0;
194 kfree(bcap_dev->sensor_formats);
195 bcap_dev->sensor_formats = NULL;
196}
197
198static int bcap_queue_setup(struct vb2_queue *vq,
199 unsigned int *nbuffers, unsigned int *nplanes,
200 unsigned int sizes[], struct device *alloc_devs[])
201{
202 struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
203
204 if (vq->num_buffers + *nbuffers < 2)
205 *nbuffers = 2;
206
207 if (*nplanes)
208 return sizes[0] < bcap_dev->fmt.sizeimage ? -EINVAL : 0;
209
210 *nplanes = 1;
211 sizes[0] = bcap_dev->fmt.sizeimage;
212
213 return 0;
214}
215
216static int bcap_buffer_prepare(struct vb2_buffer *vb)
217{
218 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
219 struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue);
220 unsigned long size = bcap_dev->fmt.sizeimage;
221
222 if (vb2_plane_size(vb, 0) < size) {
223 v4l2_err(&bcap_dev->v4l2_dev, "buffer too small (%lu < %lu)\n",
224 vb2_plane_size(vb, 0), size);
225 return -EINVAL;
226 }
227 vb2_set_plane_payload(vb, 0, size);
228
229 vbuf->field = bcap_dev->fmt.field;
230
231 return 0;
232}
233
234static void bcap_buffer_queue(struct vb2_buffer *vb)
235{
236 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
237 struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue);
238 struct bcap_buffer *buf = to_bcap_vb(vbuf);
239 unsigned long flags;
240
241 spin_lock_irqsave(&bcap_dev->lock, flags);
242 list_add_tail(&buf->list, &bcap_dev->dma_queue);
243 spin_unlock_irqrestore(&bcap_dev->lock, flags);
244}
245
246static void bcap_buffer_cleanup(struct vb2_buffer *vb)
247{
248 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
249 struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue);
250 struct bcap_buffer *buf = to_bcap_vb(vbuf);
251 unsigned long flags;
252
253 spin_lock_irqsave(&bcap_dev->lock, flags);
254 list_del_init(&buf->list);
255 spin_unlock_irqrestore(&bcap_dev->lock, flags);
256}
257
258static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count)
259{
260 struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
261 struct ppi_if *ppi = bcap_dev->ppi;
262 struct bcap_buffer *buf, *tmp;
263 struct ppi_params params;
264 dma_addr_t addr;
265 int ret;
266
267 /* enable streamon on the sub device */
268 ret = v4l2_subdev_call(bcap_dev->sd, video, s_stream, 1);
269 if (ret && (ret != -ENOIOCTLCMD)) {
270 v4l2_err(&bcap_dev->v4l2_dev, "stream on failed in subdev\n");
271 goto err;
272 }
273
274 /* set ppi params */
275 params.width = bcap_dev->fmt.width;
276 params.height = bcap_dev->fmt.height;
277 params.bpp = bcap_dev->bpp;
278 params.dlen = bcap_dev->dlen;
279 params.ppi_control = bcap_dev->cfg->ppi_control;
280 params.int_mask = bcap_dev->cfg->int_mask;
281 if (bcap_dev->cfg->inputs[bcap_dev->cur_input].capabilities
282 & V4L2_IN_CAP_DV_TIMINGS) {
283 struct v4l2_bt_timings *bt = &bcap_dev->dv_timings.bt;
284
285 params.hdelay = bt->hsync + bt->hbackporch;
286 params.vdelay = bt->vsync + bt->vbackporch;
287 params.line = V4L2_DV_BT_FRAME_WIDTH(bt);
288 params.frame = V4L2_DV_BT_FRAME_HEIGHT(bt);
289 } else if (bcap_dev->cfg->inputs[bcap_dev->cur_input].capabilities
290 & V4L2_IN_CAP_STD) {
291 params.hdelay = 0;
292 params.vdelay = 0;
293 if (bcap_dev->std & V4L2_STD_525_60) {
294 params.line = 858;
295 params.frame = 525;
296 } else {
297 params.line = 864;
298 params.frame = 625;
299 }
300 } else {
301 params.hdelay = 0;
302 params.vdelay = 0;
303 params.line = params.width + bcap_dev->cfg->blank_pixels;
304 params.frame = params.height;
305 }
306 ret = ppi->ops->set_params(ppi, &params);
307 if (ret < 0) {
308 v4l2_err(&bcap_dev->v4l2_dev,
309 "Error in setting ppi params\n");
310 goto err;
311 }
312
313 /* attach ppi DMA irq handler */
314 ret = ppi->ops->attach_irq(ppi, bcap_isr);
315 if (ret < 0) {
316 v4l2_err(&bcap_dev->v4l2_dev,
317 "Error in attaching interrupt handler\n");
318 goto err;
319 }
320
321 bcap_dev->sequence = 0;
322
323 reinit_completion(&bcap_dev->comp);
324 bcap_dev->stop = false;
325
326 /* get the next frame from the dma queue */
327 bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
328 struct bcap_buffer, list);
329 /* remove buffer from the dma queue */
330 list_del_init(&bcap_dev->cur_frm->list);
331 addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb.vb2_buf,
332 0);
333 /* update DMA address */
334 ppi->ops->update_addr(ppi, (unsigned long)addr);
335 /* enable ppi */
336 ppi->ops->start(ppi);
337
338 return 0;
339
340err:
341 list_for_each_entry_safe(buf, tmp, &bcap_dev->dma_queue, list) {
342 list_del(&buf->list);
343 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
344 }
345
346 return ret;
347}
348
349static void bcap_stop_streaming(struct vb2_queue *vq)
350{
351 struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
352 struct ppi_if *ppi = bcap_dev->ppi;
353 int ret;
354
355 bcap_dev->stop = true;
356 wait_for_completion(&bcap_dev->comp);
357 ppi->ops->stop(ppi);
358 ppi->ops->detach_irq(ppi);
359 ret = v4l2_subdev_call(bcap_dev->sd, video, s_stream, 0);
360 if (ret && (ret != -ENOIOCTLCMD))
361 v4l2_err(&bcap_dev->v4l2_dev,
362 "stream off failed in subdev\n");
363
364 /* release all active buffers */
365 if (bcap_dev->cur_frm)
366 vb2_buffer_done(&bcap_dev->cur_frm->vb.vb2_buf,
367 VB2_BUF_STATE_ERROR);
368
369 while (!list_empty(&bcap_dev->dma_queue)) {
370 bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
371 struct bcap_buffer, list);
372 list_del_init(&bcap_dev->cur_frm->list);
373 vb2_buffer_done(&bcap_dev->cur_frm->vb.vb2_buf,
374 VB2_BUF_STATE_ERROR);
375 }
376}
377
378static const struct vb2_ops bcap_video_qops = {
379 .queue_setup = bcap_queue_setup,
380 .buf_prepare = bcap_buffer_prepare,
381 .buf_cleanup = bcap_buffer_cleanup,
382 .buf_queue = bcap_buffer_queue,
383 .wait_prepare = vb2_ops_wait_prepare,
384 .wait_finish = vb2_ops_wait_finish,
385 .start_streaming = bcap_start_streaming,
386 .stop_streaming = bcap_stop_streaming,
387};
388
389static irqreturn_t bcap_isr(int irq, void *dev_id)
390{
391 struct ppi_if *ppi = dev_id;
392 struct bcap_device *bcap_dev = ppi->priv;
393 struct vb2_v4l2_buffer *vbuf = &bcap_dev->cur_frm->vb;
394 struct vb2_buffer *vb = &vbuf->vb2_buf;
395 dma_addr_t addr;
396
397 spin_lock(&bcap_dev->lock);
398
399 if (!list_empty(&bcap_dev->dma_queue)) {
400 vb->timestamp = ktime_get_ns();
401 if (ppi->err) {
402 vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
403 ppi->err = false;
404 } else {
405 vbuf->sequence = bcap_dev->sequence++;
406 vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
407 }
408 bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
409 struct bcap_buffer, list);
410 list_del_init(&bcap_dev->cur_frm->list);
411 } else {
412 /* clear error flag, we will get a new frame */
413 if (ppi->err)
414 ppi->err = false;
415 }
416
417 ppi->ops->stop(ppi);
418
419 if (bcap_dev->stop) {
420 complete(&bcap_dev->comp);
421 } else {
422 addr = vb2_dma_contig_plane_dma_addr(
423 &bcap_dev->cur_frm->vb.vb2_buf, 0);
424 ppi->ops->update_addr(ppi, (unsigned long)addr);
425 ppi->ops->start(ppi);
426 }
427
428 spin_unlock(&bcap_dev->lock);
429
430 return IRQ_HANDLED;
431}
432
433static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std)
434{
435 struct bcap_device *bcap_dev = video_drvdata(file);
436 struct v4l2_input input;
437
438 input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
439 if (!(input.capabilities & V4L2_IN_CAP_STD))
440 return -ENODATA;
441
442 return v4l2_subdev_call(bcap_dev->sd, video, querystd, std);
443}
444
445static int bcap_g_std(struct file *file, void *priv, v4l2_std_id *std)
446{
447 struct bcap_device *bcap_dev = video_drvdata(file);
448 struct v4l2_input input;
449
450 input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
451 if (!(input.capabilities & V4L2_IN_CAP_STD))
452 return -ENODATA;
453
454 *std = bcap_dev->std;
455 return 0;
456}
457
458static int bcap_s_std(struct file *file, void *priv, v4l2_std_id std)
459{
460 struct bcap_device *bcap_dev = video_drvdata(file);
461 struct v4l2_input input;
462 int ret;
463
464 input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
465 if (!(input.capabilities & V4L2_IN_CAP_STD))
466 return -ENODATA;
467
468 if (vb2_is_busy(&bcap_dev->buffer_queue))
469 return -EBUSY;
470
471 ret = v4l2_subdev_call(bcap_dev->sd, video, s_std, std);
472 if (ret < 0)
473 return ret;
474
475 bcap_dev->std = std;
476 return 0;
477}
478
479static int bcap_enum_dv_timings(struct file *file, void *priv,
480 struct v4l2_enum_dv_timings *timings)
481{
482 struct bcap_device *bcap_dev = video_drvdata(file);
483 struct v4l2_input input;
484
485 input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
486 if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
487 return -ENODATA;
488
489 timings->pad = 0;
490
491 return v4l2_subdev_call(bcap_dev->sd, pad,
492 enum_dv_timings, timings);
493}
494
495static int bcap_query_dv_timings(struct file *file, void *priv,
496 struct v4l2_dv_timings *timings)
497{
498 struct bcap_device *bcap_dev = video_drvdata(file);
499 struct v4l2_input input;
500
501 input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
502 if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
503 return -ENODATA;
504
505 return v4l2_subdev_call(bcap_dev->sd, video,
506 query_dv_timings, timings);
507}
508
509static int bcap_g_dv_timings(struct file *file, void *priv,
510 struct v4l2_dv_timings *timings)
511{
512 struct bcap_device *bcap_dev = video_drvdata(file);
513 struct v4l2_input input;
514
515 input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
516 if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
517 return -ENODATA;
518
519 *timings = bcap_dev->dv_timings;
520 return 0;
521}
522
523static int bcap_s_dv_timings(struct file *file, void *priv,
524 struct v4l2_dv_timings *timings)
525{
526 struct bcap_device *bcap_dev = video_drvdata(file);
527 struct v4l2_input input;
528 int ret;
529
530 input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
531 if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
532 return -ENODATA;
533
534 if (vb2_is_busy(&bcap_dev->buffer_queue))
535 return -EBUSY;
536
537 ret = v4l2_subdev_call(bcap_dev->sd, video, s_dv_timings, timings);
538 if (ret < 0)
539 return ret;
540
541 bcap_dev->dv_timings = *timings;
542 return 0;
543}
544
545static int bcap_enum_input(struct file *file, void *priv,
546 struct v4l2_input *input)
547{
548 struct bcap_device *bcap_dev = video_drvdata(file);
549 struct bfin_capture_config *config = bcap_dev->cfg;
550 int ret;
551 u32 status;
552
553 if (input->index >= config->num_inputs)
554 return -EINVAL;
555
556 *input = config->inputs[input->index];
557 /* get input status */
558 ret = v4l2_subdev_call(bcap_dev->sd, video, g_input_status, &status);
559 if (!ret)
560 input->status = status;
561 return 0;
562}
563
564static int bcap_g_input(struct file *file, void *priv, unsigned int *index)
565{
566 struct bcap_device *bcap_dev = video_drvdata(file);
567
568 *index = bcap_dev->cur_input;
569 return 0;
570}
571
572static int bcap_s_input(struct file *file, void *priv, unsigned int index)
573{
574 struct bcap_device *bcap_dev = video_drvdata(file);
575 struct bfin_capture_config *config = bcap_dev->cfg;
576 struct bcap_route *route;
577 int ret;
578
579 if (vb2_is_busy(&bcap_dev->buffer_queue))
580 return -EBUSY;
581
582 if (index >= config->num_inputs)
583 return -EINVAL;
584
585 route = &config->routes[index];
586 ret = v4l2_subdev_call(bcap_dev->sd, video, s_routing,
587 route->input, route->output, 0);
588 if ((ret < 0) && (ret != -ENOIOCTLCMD)) {
589 v4l2_err(&bcap_dev->v4l2_dev, "Failed to set input\n");
590 return ret;
591 }
592 bcap_dev->cur_input = index;
593 /* if this route has specific config, update ppi control */
594 if (route->ppi_control)
595 config->ppi_control = route->ppi_control;
596 return 0;
597}
598
599static int bcap_try_format(struct bcap_device *bcap,
600 struct v4l2_pix_format *pixfmt,
601 struct bcap_format *bcap_fmt)
602{
603 struct bcap_format *sf = bcap->sensor_formats;
604 struct bcap_format *fmt = NULL;
605 struct v4l2_subdev_pad_config pad_cfg;
606 struct v4l2_subdev_format format = {
607 .which = V4L2_SUBDEV_FORMAT_TRY,
608 };
609 int ret, i;
610
611 for (i = 0; i < bcap->num_sensor_formats; i++) {
612 fmt = &sf[i];
613 if (pixfmt->pixelformat == fmt->pixelformat)
614 break;
615 }
616 if (i == bcap->num_sensor_formats)
617 fmt = &sf[0];
618
619 v4l2_fill_mbus_format(&format.format, pixfmt, fmt->mbus_code);
620 ret = v4l2_subdev_call(bcap->sd, pad, set_fmt, &pad_cfg,
621 &format);
622 if (ret < 0)
623 return ret;
624 v4l2_fill_pix_format(pixfmt, &format.format);
625 if (bcap_fmt) {
626 for (i = 0; i < bcap->num_sensor_formats; i++) {
627 fmt = &sf[i];
628 if (format.format.code == fmt->mbus_code)
629 break;
630 }
631 *bcap_fmt = *fmt;
632 }
633 pixfmt->bytesperline = pixfmt->width * fmt->bpp / 8;
634 pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
635 return 0;
636}
637
638static int bcap_enum_fmt_vid_cap(struct file *file, void *priv,
639 struct v4l2_fmtdesc *fmt)
640{
641 struct bcap_device *bcap_dev = video_drvdata(file);
642 struct bcap_format *sf = bcap_dev->sensor_formats;
643
644 if (fmt->index >= bcap_dev->num_sensor_formats)
645 return -EINVAL;
646
647 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
648 strlcpy(fmt->description,
649 sf[fmt->index].desc,
650 sizeof(fmt->description));
651 fmt->pixelformat = sf[fmt->index].pixelformat;
652 return 0;
653}
654
655static int bcap_try_fmt_vid_cap(struct file *file, void *priv,
656 struct v4l2_format *fmt)
657{
658 struct bcap_device *bcap_dev = video_drvdata(file);
659 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
660
661 return bcap_try_format(bcap_dev, pixfmt, NULL);
662}
663
664static int bcap_g_fmt_vid_cap(struct file *file, void *priv,
665 struct v4l2_format *fmt)
666{
667 struct bcap_device *bcap_dev = video_drvdata(file);
668
669 fmt->fmt.pix = bcap_dev->fmt;
670 return 0;
671}
672
673static int bcap_s_fmt_vid_cap(struct file *file, void *priv,
674 struct v4l2_format *fmt)
675{
676 struct bcap_device *bcap_dev = video_drvdata(file);
677 struct v4l2_subdev_format format = {
678 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
679 };
680 struct bcap_format bcap_fmt;
681 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
682 int ret;
683
684 if (vb2_is_busy(&bcap_dev->buffer_queue))
685 return -EBUSY;
686
687 /* see if format works */
688 ret = bcap_try_format(bcap_dev, pixfmt, &bcap_fmt);
689 if (ret < 0)
690 return ret;
691
692 v4l2_fill_mbus_format(&format.format, pixfmt, bcap_fmt.mbus_code);
693 ret = v4l2_subdev_call(bcap_dev->sd, pad, set_fmt, NULL, &format);
694 if (ret < 0)
695 return ret;
696 bcap_dev->fmt = *pixfmt;
697 bcap_dev->bpp = bcap_fmt.bpp;
698 bcap_dev->dlen = bcap_fmt.dlen;
699 return 0;
700}
701
702static int bcap_querycap(struct file *file, void *priv,
703 struct v4l2_capability *cap)
704{
705 struct bcap_device *bcap_dev = video_drvdata(file);
706
707 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
708 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
709 strlcpy(cap->driver, CAPTURE_DRV_NAME, sizeof(cap->driver));
710 strlcpy(cap->bus_info, "Blackfin Platform", sizeof(cap->bus_info));
711 strlcpy(cap->card, bcap_dev->cfg->card_name, sizeof(cap->card));
712 return 0;
713}
714
715static int bcap_g_parm(struct file *file, void *fh,
716 struct v4l2_streamparm *a)
717{
718 struct bcap_device *bcap_dev = video_drvdata(file);
719
720 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
721 return -EINVAL;
722 return v4l2_subdev_call(bcap_dev->sd, video, g_parm, a);
723}
724
725static int bcap_s_parm(struct file *file, void *fh,
726 struct v4l2_streamparm *a)
727{
728 struct bcap_device *bcap_dev = video_drvdata(file);
729
730 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
731 return -EINVAL;
732 return v4l2_subdev_call(bcap_dev->sd, video, s_parm, a);
733}
734
735static int bcap_log_status(struct file *file, void *priv)
736{
737 struct bcap_device *bcap_dev = video_drvdata(file);
738 /* status for sub devices */
739 v4l2_device_call_all(&bcap_dev->v4l2_dev, 0, core, log_status);
740 return 0;
741}
742
743static const struct v4l2_ioctl_ops bcap_ioctl_ops = {
744 .vidioc_querycap = bcap_querycap,
745 .vidioc_g_fmt_vid_cap = bcap_g_fmt_vid_cap,
746 .vidioc_enum_fmt_vid_cap = bcap_enum_fmt_vid_cap,
747 .vidioc_s_fmt_vid_cap = bcap_s_fmt_vid_cap,
748 .vidioc_try_fmt_vid_cap = bcap_try_fmt_vid_cap,
749 .vidioc_enum_input = bcap_enum_input,
750 .vidioc_g_input = bcap_g_input,
751 .vidioc_s_input = bcap_s_input,
752 .vidioc_querystd = bcap_querystd,
753 .vidioc_s_std = bcap_s_std,
754 .vidioc_g_std = bcap_g_std,
755 .vidioc_s_dv_timings = bcap_s_dv_timings,
756 .vidioc_g_dv_timings = bcap_g_dv_timings,
757 .vidioc_query_dv_timings = bcap_query_dv_timings,
758 .vidioc_enum_dv_timings = bcap_enum_dv_timings,
759 .vidioc_reqbufs = vb2_ioctl_reqbufs,
760 .vidioc_create_bufs = vb2_ioctl_create_bufs,
761 .vidioc_querybuf = vb2_ioctl_querybuf,
762 .vidioc_qbuf = vb2_ioctl_qbuf,
763 .vidioc_dqbuf = vb2_ioctl_dqbuf,
764 .vidioc_expbuf = vb2_ioctl_expbuf,
765 .vidioc_streamon = vb2_ioctl_streamon,
766 .vidioc_streamoff = vb2_ioctl_streamoff,
767 .vidioc_g_parm = bcap_g_parm,
768 .vidioc_s_parm = bcap_s_parm,
769 .vidioc_log_status = bcap_log_status,
770};
771
772static const struct v4l2_file_operations bcap_fops = {
773 .owner = THIS_MODULE,
774 .open = v4l2_fh_open,
775 .release = vb2_fop_release,
776 .unlocked_ioctl = video_ioctl2,
777 .mmap = vb2_fop_mmap,
778#ifndef CONFIG_MMU
779 .get_unmapped_area = vb2_fop_get_unmapped_area,
780#endif
781 .poll = vb2_fop_poll
782};
783
784static int bcap_probe(struct platform_device *pdev)
785{
786 struct bcap_device *bcap_dev;
787 struct video_device *vfd;
788 struct i2c_adapter *i2c_adap;
789 struct bfin_capture_config *config;
790 struct vb2_queue *q;
791 struct bcap_route *route;
792 int ret;
793
794 config = pdev->dev.platform_data;
795 if (!config || !config->num_inputs) {
796 v4l2_err(pdev->dev.driver, "Unable to get board config\n");
797 return -ENODEV;
798 }
799
800 bcap_dev = kzalloc(sizeof(*bcap_dev), GFP_KERNEL);
801 if (!bcap_dev)
802 return -ENOMEM;
803
804 bcap_dev->cfg = config;
805
806 bcap_dev->ppi = ppi_create_instance(pdev, config->ppi_info);
807 if (!bcap_dev->ppi) {
808 v4l2_err(pdev->dev.driver, "Unable to create ppi\n");
809 ret = -ENODEV;
810 goto err_free_dev;
811 }
812 bcap_dev->ppi->priv = bcap_dev;
813
814 vfd = &bcap_dev->video_dev;
815 /* initialize field of video device */
816 vfd->release = video_device_release_empty;
817 vfd->fops = &bcap_fops;
818 vfd->ioctl_ops = &bcap_ioctl_ops;
819 vfd->tvnorms = 0;
820 vfd->v4l2_dev = &bcap_dev->v4l2_dev;
821 strncpy(vfd->name, CAPTURE_DRV_NAME, sizeof(vfd->name));
822
823 ret = v4l2_device_register(&pdev->dev, &bcap_dev->v4l2_dev);
824 if (ret) {
825 v4l2_err(pdev->dev.driver,
826 "Unable to register v4l2 device\n");
827 goto err_free_ppi;
828 }
829 v4l2_info(&bcap_dev->v4l2_dev, "v4l2 device registered\n");
830
831 bcap_dev->v4l2_dev.ctrl_handler = &bcap_dev->ctrl_handler;
832 ret = v4l2_ctrl_handler_init(&bcap_dev->ctrl_handler, 0);
833 if (ret) {
834 v4l2_err(&bcap_dev->v4l2_dev,
835 "Unable to init control handler\n");
836 goto err_unreg_v4l2;
837 }
838
839 spin_lock_init(&bcap_dev->lock);
840 /* initialize queue */
841 q = &bcap_dev->buffer_queue;
842 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
843 q->io_modes = VB2_MMAP | VB2_DMABUF;
844 q->drv_priv = bcap_dev;
845 q->buf_struct_size = sizeof(struct bcap_buffer);
846 q->ops = &bcap_video_qops;
847 q->mem_ops = &vb2_dma_contig_memops;
848 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
849 q->lock = &bcap_dev->mutex;
850 q->min_buffers_needed = 1;
851 q->dev = &pdev->dev;
852
853 ret = vb2_queue_init(q);
854 if (ret)
855 goto err_free_handler;
856
857 mutex_init(&bcap_dev->mutex);
858 init_completion(&bcap_dev->comp);
859
860 /* init video dma queues */
861 INIT_LIST_HEAD(&bcap_dev->dma_queue);
862
863 vfd->lock = &bcap_dev->mutex;
864 vfd->queue = q;
865
866 /* register video device */
867 ret = video_register_device(&bcap_dev->video_dev, VFL_TYPE_GRABBER, -1);
868 if (ret) {
869 v4l2_err(&bcap_dev->v4l2_dev,
870 "Unable to register video device\n");
871 goto err_free_handler;
872 }
873 video_set_drvdata(&bcap_dev->video_dev, bcap_dev);
874 v4l2_info(&bcap_dev->v4l2_dev, "video device registered as: %s\n",
875 video_device_node_name(vfd));
876
877 /* load up the subdevice */
878 i2c_adap = i2c_get_adapter(config->i2c_adapter_id);
879 if (!i2c_adap) {
880 v4l2_err(&bcap_dev->v4l2_dev,
881 "Unable to find i2c adapter\n");
882 ret = -ENODEV;
883 goto err_unreg_vdev;
884
885 }
886 bcap_dev->sd = v4l2_i2c_new_subdev_board(&bcap_dev->v4l2_dev,
887 i2c_adap,
888 &config->board_info,
889 NULL);
890 if (bcap_dev->sd) {
891 int i;
892
893 /* update tvnorms from the sub devices */
894 for (i = 0; i < config->num_inputs; i++)
895 vfd->tvnorms |= config->inputs[i].std;
896 } else {
897 v4l2_err(&bcap_dev->v4l2_dev,
898 "Unable to register sub device\n");
899 ret = -ENODEV;
900 goto err_unreg_vdev;
901 }
902
903 v4l2_info(&bcap_dev->v4l2_dev, "v4l2 sub device registered\n");
904
905 /*
906 * explicitly set input, otherwise some boards
907 * may not work at the state as we expected
908 */
909 route = &config->routes[0];
910 ret = v4l2_subdev_call(bcap_dev->sd, video, s_routing,
911 route->input, route->output, 0);
912 if ((ret < 0) && (ret != -ENOIOCTLCMD)) {
913 v4l2_err(&bcap_dev->v4l2_dev, "Failed to set input\n");
914 goto err_unreg_vdev;
915 }
916 bcap_dev->cur_input = 0;
917 /* if this route has specific config, update ppi control */
918 if (route->ppi_control)
919 config->ppi_control = route->ppi_control;
920
921 /* now we can probe the default state */
922 if (config->inputs[0].capabilities & V4L2_IN_CAP_STD) {
923 v4l2_std_id std;
924 ret = v4l2_subdev_call(bcap_dev->sd, video, g_std, &std);
925 if (ret) {
926 v4l2_err(&bcap_dev->v4l2_dev,
927 "Unable to get std\n");
928 goto err_unreg_vdev;
929 }
930 bcap_dev->std = std;
931 }
932 if (config->inputs[0].capabilities & V4L2_IN_CAP_DV_TIMINGS) {
933 struct v4l2_dv_timings dv_timings;
934 ret = v4l2_subdev_call(bcap_dev->sd, video,
935 g_dv_timings, &dv_timings);
936 if (ret) {
937 v4l2_err(&bcap_dev->v4l2_dev,
938 "Unable to get dv timings\n");
939 goto err_unreg_vdev;
940 }
941 bcap_dev->dv_timings = dv_timings;
942 }
943 ret = bcap_init_sensor_formats(bcap_dev);
944 if (ret) {
945 v4l2_err(&bcap_dev->v4l2_dev,
946 "Unable to create sensor formats table\n");
947 goto err_unreg_vdev;
948 }
949 return 0;
950err_unreg_vdev:
951 video_unregister_device(&bcap_dev->video_dev);
952err_free_handler:
953 v4l2_ctrl_handler_free(&bcap_dev->ctrl_handler);
954err_unreg_v4l2:
955 v4l2_device_unregister(&bcap_dev->v4l2_dev);
956err_free_ppi:
957 ppi_delete_instance(bcap_dev->ppi);
958err_free_dev:
959 kfree(bcap_dev);
960 return ret;
961}
962
963static int bcap_remove(struct platform_device *pdev)
964{
965 struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev);
966 struct bcap_device *bcap_dev = container_of(v4l2_dev,
967 struct bcap_device, v4l2_dev);
968
969 bcap_free_sensor_formats(bcap_dev);
970 video_unregister_device(&bcap_dev->video_dev);
971 v4l2_ctrl_handler_free(&bcap_dev->ctrl_handler);
972 v4l2_device_unregister(v4l2_dev);
973 ppi_delete_instance(bcap_dev->ppi);
974 kfree(bcap_dev);
975 return 0;
976}
977
978static struct platform_driver bcap_driver = {
979 .driver = {
980 .name = CAPTURE_DRV_NAME,
981 },
982 .probe = bcap_probe,
983 .remove = bcap_remove,
984};
985module_platform_driver(bcap_driver);
986
987MODULE_DESCRIPTION("Analog Devices blackfin video capture driver");
988MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
989MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c
deleted file mode 100644
index d3dc765c1609..000000000000
--- a/drivers/media/platform/blackfin/ppi.c
+++ /dev/null
@@ -1,361 +0,0 @@
1/*
2 * ppi.c Analog Devices Parallel Peripheral Interface driver
3 *
4 * Copyright (c) 2011 Analog Devices Inc.
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 version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#include <linux/module.h>
17#include <linux/slab.h>
18#include <linux/platform_device.h>
19
20#include <asm/bfin_ppi.h>
21#include <asm/blackfin.h>
22#include <asm/cacheflush.h>
23#include <asm/dma.h>
24#include <asm/portmux.h>
25
26#include <media/blackfin/ppi.h>
27
28static int ppi_attach_irq(struct ppi_if *ppi, irq_handler_t handler);
29static void ppi_detach_irq(struct ppi_if *ppi);
30static int ppi_start(struct ppi_if *ppi);
31static int ppi_stop(struct ppi_if *ppi);
32static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params);
33static void ppi_update_addr(struct ppi_if *ppi, unsigned long addr);
34
35static const struct ppi_ops ppi_ops = {
36 .attach_irq = ppi_attach_irq,
37 .detach_irq = ppi_detach_irq,
38 .start = ppi_start,
39 .stop = ppi_stop,
40 .set_params = ppi_set_params,
41 .update_addr = ppi_update_addr,
42};
43
44static irqreturn_t ppi_irq_err(int irq, void *dev_id)
45{
46 struct ppi_if *ppi = dev_id;
47 const struct ppi_info *info = ppi->info;
48
49 switch (info->type) {
50 case PPI_TYPE_PPI:
51 {
52 struct bfin_ppi_regs *reg = info->base;
53 unsigned short status;
54
55 /* register on bf561 is cleared when read
56 * others are W1C
57 */
58 status = bfin_read16(&reg->status);
59 if (status & 0x3000)
60 ppi->err = true;
61 bfin_write16(&reg->status, 0xff00);
62 break;
63 }
64 case PPI_TYPE_EPPI:
65 {
66 struct bfin_eppi_regs *reg = info->base;
67 unsigned short status;
68
69 status = bfin_read16(&reg->status);
70 if (status & 0x2)
71 ppi->err = true;
72 bfin_write16(&reg->status, 0xffff);
73 break;
74 }
75 case PPI_TYPE_EPPI3:
76 {
77 struct bfin_eppi3_regs *reg = info->base;
78 unsigned long stat;
79
80 stat = bfin_read32(&reg->stat);
81 if (stat & 0x2)
82 ppi->err = true;
83 bfin_write32(&reg->stat, 0xc0ff);
84 break;
85 }
86 default:
87 break;
88 }
89
90 return IRQ_HANDLED;
91}
92
93static int ppi_attach_irq(struct ppi_if *ppi, irq_handler_t handler)
94{
95 const struct ppi_info *info = ppi->info;
96 int ret;
97
98 ret = request_dma(info->dma_ch, "PPI_DMA");
99
100 if (ret) {
101 pr_err("Unable to allocate DMA channel for PPI\n");
102 return ret;
103 }
104 set_dma_callback(info->dma_ch, handler, ppi);
105
106 if (ppi->err_int) {
107 ret = request_irq(info->irq_err, ppi_irq_err, 0, "PPI ERROR", ppi);
108 if (ret) {
109 pr_err("Unable to allocate IRQ for PPI\n");
110 free_dma(info->dma_ch);
111 }
112 }
113 return ret;
114}
115
116static void ppi_detach_irq(struct ppi_if *ppi)
117{
118 const struct ppi_info *info = ppi->info;
119
120 if (ppi->err_int)
121 free_irq(info->irq_err, ppi);
122 free_dma(info->dma_ch);
123}
124
125static int ppi_start(struct ppi_if *ppi)
126{
127 const struct ppi_info *info = ppi->info;
128
129 /* enable DMA */
130 enable_dma(info->dma_ch);
131
132 /* enable PPI */
133 ppi->ppi_control |= PORT_EN;
134 switch (info->type) {
135 case PPI_TYPE_PPI:
136 {
137 struct bfin_ppi_regs *reg = info->base;
138 bfin_write16(&reg->control, ppi->ppi_control);
139 break;
140 }
141 case PPI_TYPE_EPPI:
142 {
143 struct bfin_eppi_regs *reg = info->base;
144 bfin_write32(&reg->control, ppi->ppi_control);
145 break;
146 }
147 case PPI_TYPE_EPPI3:
148 {
149 struct bfin_eppi3_regs *reg = info->base;
150 bfin_write32(&reg->ctl, ppi->ppi_control);
151 break;
152 }
153 default:
154 return -EINVAL;
155 }
156
157 SSYNC();
158 return 0;
159}
160
161static int ppi_stop(struct ppi_if *ppi)
162{
163 const struct ppi_info *info = ppi->info;
164
165 /* disable PPI */
166 ppi->ppi_control &= ~PORT_EN;
167 switch (info->type) {
168 case PPI_TYPE_PPI:
169 {
170 struct bfin_ppi_regs *reg = info->base;
171 bfin_write16(&reg->control, ppi->ppi_control);
172 break;
173 }
174 case PPI_TYPE_EPPI:
175 {
176 struct bfin_eppi_regs *reg = info->base;
177 bfin_write32(&reg->control, ppi->ppi_control);
178 break;
179 }
180 case PPI_TYPE_EPPI3:
181 {
182 struct bfin_eppi3_regs *reg = info->base;
183 bfin_write32(&reg->ctl, ppi->ppi_control);
184 break;
185 }
186 default:
187 return -EINVAL;
188 }
189
190 /* disable DMA */
191 clear_dma_irqstat(info->dma_ch);
192 disable_dma(info->dma_ch);
193
194 SSYNC();
195 return 0;
196}
197
198static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
199{
200 const struct ppi_info *info = ppi->info;
201 int dma32 = 0;
202 int dma_config, bytes_per_line;
203 int hcount, hdelay, samples_per_line;
204
205#ifdef CONFIG_PINCTRL
206 static const char * const pin_state[] = {"8bit", "16bit", "24bit"};
207 struct pinctrl *pctrl;
208 struct pinctrl_state *pstate;
209
210 if (params->dlen > 24 || params->dlen <= 0)
211 return -EINVAL;
212 pctrl = devm_pinctrl_get(ppi->dev);
213 if (IS_ERR(pctrl))
214 return PTR_ERR(pctrl);
215 pstate = pinctrl_lookup_state(pctrl,
216 pin_state[(params->dlen + 7) / 8 - 1]);
217 if (pinctrl_select_state(pctrl, pstate))
218 return -EINVAL;
219#endif
220
221 bytes_per_line = params->width * params->bpp / 8;
222 /* convert parameters unit from pixels to samples */
223 hcount = params->width * params->bpp / params->dlen;
224 hdelay = params->hdelay * params->bpp / params->dlen;
225 samples_per_line = params->line * params->bpp / params->dlen;
226 if (params->int_mask == 0xFFFFFFFF)
227 ppi->err_int = false;
228 else
229 ppi->err_int = true;
230
231 dma_config = (DMA_FLOW_STOP | RESTART | DMA2D | DI_EN_Y);
232 ppi->ppi_control = params->ppi_control & ~PORT_EN;
233 if (!(ppi->ppi_control & PORT_DIR))
234 dma_config |= WNR;
235 switch (info->type) {
236 case PPI_TYPE_PPI:
237 {
238 struct bfin_ppi_regs *reg = info->base;
239
240 if (params->ppi_control & DMA32)
241 dma32 = 1;
242
243 bfin_write16(&reg->control, ppi->ppi_control);
244 bfin_write16(&reg->count, samples_per_line - 1);
245 bfin_write16(&reg->frame, params->frame);
246 break;
247 }
248 case PPI_TYPE_EPPI:
249 {
250 struct bfin_eppi_regs *reg = info->base;
251
252 if ((params->ppi_control & PACK_EN)
253 || (params->ppi_control & 0x38000) > DLEN_16)
254 dma32 = 1;
255
256 bfin_write32(&reg->control, ppi->ppi_control);
257 bfin_write16(&reg->line, samples_per_line);
258 bfin_write16(&reg->frame, params->frame);
259 bfin_write16(&reg->hdelay, hdelay);
260 bfin_write16(&reg->vdelay, params->vdelay);
261 bfin_write16(&reg->hcount, hcount);
262 bfin_write16(&reg->vcount, params->height);
263 break;
264 }
265 case PPI_TYPE_EPPI3:
266 {
267 struct bfin_eppi3_regs *reg = info->base;
268
269 if ((params->ppi_control & PACK_EN)
270 || (params->ppi_control & 0x70000) > DLEN_16)
271 dma32 = 1;
272
273 bfin_write32(&reg->ctl, ppi->ppi_control);
274 bfin_write32(&reg->line, samples_per_line);
275 bfin_write32(&reg->frame, params->frame);
276 bfin_write32(&reg->hdly, hdelay);
277 bfin_write32(&reg->vdly, params->vdelay);
278 bfin_write32(&reg->hcnt, hcount);
279 bfin_write32(&reg->vcnt, params->height);
280 if (params->int_mask)
281 bfin_write32(&reg->imsk, params->int_mask & 0xFF);
282 if (ppi->ppi_control & PORT_DIR) {
283 u32 hsync_width, vsync_width, vsync_period;
284
285 hsync_width = params->hsync
286 * params->bpp / params->dlen;
287 vsync_width = params->vsync * samples_per_line;
288 vsync_period = samples_per_line * params->frame;
289 bfin_write32(&reg->fs1_wlhb, hsync_width);
290 bfin_write32(&reg->fs1_paspl, samples_per_line);
291 bfin_write32(&reg->fs2_wlvb, vsync_width);
292 bfin_write32(&reg->fs2_palpf, vsync_period);
293 }
294 break;
295 }
296 default:
297 return -EINVAL;
298 }
299
300 if (dma32) {
301 dma_config |= WDSIZE_32 | PSIZE_32;
302 set_dma_x_count(info->dma_ch, bytes_per_line >> 2);
303 set_dma_x_modify(info->dma_ch, 4);
304 set_dma_y_modify(info->dma_ch, 4);
305 } else {
306 dma_config |= WDSIZE_16 | PSIZE_16;
307 set_dma_x_count(info->dma_ch, bytes_per_line >> 1);
308 set_dma_x_modify(info->dma_ch, 2);
309 set_dma_y_modify(info->dma_ch, 2);
310 }
311 set_dma_y_count(info->dma_ch, params->height);
312 set_dma_config(info->dma_ch, dma_config);
313
314 SSYNC();
315 return 0;
316}
317
318static void ppi_update_addr(struct ppi_if *ppi, unsigned long addr)
319{
320 set_dma_start_addr(ppi->info->dma_ch, addr);
321}
322
323struct ppi_if *ppi_create_instance(struct platform_device *pdev,
324 const struct ppi_info *info)
325{
326 struct ppi_if *ppi;
327
328 if (!info || !info->pin_req)
329 return NULL;
330
331#ifndef CONFIG_PINCTRL
332 if (peripheral_request_list(info->pin_req, KBUILD_MODNAME)) {
333 dev_err(&pdev->dev, "request peripheral failed\n");
334 return NULL;
335 }
336#endif
337
338 ppi = kzalloc(sizeof(*ppi), GFP_KERNEL);
339 if (!ppi) {
340 peripheral_free_list(info->pin_req);
341 return NULL;
342 }
343 ppi->ops = &ppi_ops;
344 ppi->info = info;
345 ppi->dev = &pdev->dev;
346
347 pr_info("ppi probe success\n");
348 return ppi;
349}
350EXPORT_SYMBOL(ppi_create_instance);
351
352void ppi_delete_instance(struct ppi_if *ppi)
353{
354 peripheral_free_list(ppi->info->pin_req);
355 kfree(ppi);
356}
357EXPORT_SYMBOL(ppi_delete_instance);
358
359MODULE_DESCRIPTION("Analog Devices PPI driver");
360MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
361MODULE_LICENSE("GPL v2");
diff --git a/include/media/blackfin/bfin_capture.h b/include/media/blackfin/bfin_capture.h
deleted file mode 100644
index a999a3970c69..000000000000
--- a/include/media/blackfin/bfin_capture.h
+++ /dev/null
@@ -1,39 +0,0 @@
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BFIN_CAPTURE_H_
3#define _BFIN_CAPTURE_H_
4
5#include <linux/i2c.h>
6
7struct v4l2_input;
8struct ppi_info;
9
10struct bcap_route {
11 u32 input;
12 u32 output;
13 u32 ppi_control;
14};
15
16struct bfin_capture_config {
17 /* card name */
18 char *card_name;
19 /* inputs available at the sub device */
20 struct v4l2_input *inputs;
21 /* number of inputs supported */
22 int num_inputs;
23 /* routing information for each input */
24 struct bcap_route *routes;
25 /* i2c bus adapter no */
26 int i2c_adapter_id;
27 /* i2c subdevice board info */
28 struct i2c_board_info board_info;
29 /* ppi board info */
30 const struct ppi_info *ppi_info;
31 /* ppi control */
32 unsigned long ppi_control;
33 /* ppi interrupt mask */
34 u32 int_mask;
35 /* horizontal blanking pixels */
36 int blank_pixels;
37};
38
39#endif
diff --git a/include/media/blackfin/ppi.h b/include/media/blackfin/ppi.h
deleted file mode 100644
index 987e49e8f9c9..000000000000
--- a/include/media/blackfin/ppi.h
+++ /dev/null
@@ -1,94 +0,0 @@
1/*
2 * Analog Devices PPI header file
3 *
4 * Copyright (c) 2011 Analog Devices Inc.
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 version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#ifndef _PPI_H_
17#define _PPI_H_
18
19#include <linux/interrupt.h>
20#include <asm/blackfin.h>
21#include <asm/bfin_ppi.h>
22
23/* EPPI */
24#ifdef EPPI_EN
25#define PORT_EN EPPI_EN
26#define PORT_DIR EPPI_DIR
27#define DMA32 0
28#define PACK_EN PACKEN
29#endif
30
31/* EPPI3 */
32#ifdef EPPI0_CTL2
33#define PORT_EN EPPI_CTL_EN
34#define PORT_DIR EPPI_CTL_DIR
35#define PACK_EN EPPI_CTL_PACKEN
36#define DMA32 0
37#define DLEN_8 EPPI_CTL_DLEN08
38#define DLEN_16 EPPI_CTL_DLEN16
39#endif
40
41struct ppi_if;
42
43struct ppi_params {
44 u32 width; /* width in pixels */
45 u32 height; /* height in lines */
46 u32 hdelay; /* delay after the HSYNC in pixels */
47 u32 vdelay; /* delay after the VSYNC in lines */
48 u32 line; /* total pixels per line */
49 u32 frame; /* total lines per frame */
50 u32 hsync; /* HSYNC length in pixels */
51 u32 vsync; /* VSYNC length in lines */
52 int bpp; /* bits per pixel */
53 int dlen; /* data length for ppi in bits */
54 u32 ppi_control; /* ppi configuration */
55 u32 int_mask; /* interrupt mask */
56};
57
58struct ppi_ops {
59 int (*attach_irq)(struct ppi_if *ppi, irq_handler_t handler);
60 void (*detach_irq)(struct ppi_if *ppi);
61 int (*start)(struct ppi_if *ppi);
62 int (*stop)(struct ppi_if *ppi);
63 int (*set_params)(struct ppi_if *ppi, struct ppi_params *params);
64 void (*update_addr)(struct ppi_if *ppi, unsigned long addr);
65};
66
67enum ppi_type {
68 PPI_TYPE_PPI,
69 PPI_TYPE_EPPI,
70 PPI_TYPE_EPPI3,
71};
72
73struct ppi_info {
74 enum ppi_type type;
75 int dma_ch;
76 int irq_err;
77 void __iomem *base;
78 const unsigned short *pin_req;
79};
80
81struct ppi_if {
82 struct device *dev;
83 unsigned long ppi_control;
84 const struct ppi_ops *ops;
85 const struct ppi_info *info;
86 bool err_int; /* if we need request error interrupt */
87 bool err; /* if ppi has fifo error */
88 void *priv;
89};
90
91struct ppi_if *ppi_create_instance(struct platform_device *pdev,
92 const struct ppi_info *info);
93void ppi_delete_instance(struct ppi_if *ppi);
94#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-27 19:04:30 -0400