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11#include <linux/dma-mapping.h>
12#include <linux/delay.h>
13#include <linux/math64.h>
14#include <linux/pci.h>
15#include <linux/v4l2-dv-timings.h>
16
17#include <media/v4l2-ctrls.h>
18#include <media/v4l2-event.h>
19#include <media/v4l2-dv-timings.h>
20#include <media/i2c/adv7604.h>
21#include <media/i2c/adv7842.h>
22
23#include "cobalt-alsa.h"
24#include "cobalt-cpld.h"
25#include "cobalt-driver.h"
26#include "cobalt-v4l2.h"
27#include "cobalt-irq.h"
28#include "cobalt-omnitek.h"
29
30static const struct v4l2_dv_timings cea1080p60 = V4L2_DV_BT_CEA_1920X1080P60;
31
32
33
34static int cobalt_queue_setup(struct vb2_queue *q,
35 unsigned int *num_buffers, unsigned int *num_planes,
36 unsigned int sizes[], struct device *alloc_devs[])
37{
38 struct cobalt_stream *s = q->drv_priv;
39 unsigned size = s->stride * s->height;
40
41 if (*num_buffers < 3)
42 *num_buffers = 3;
43 if (*num_buffers > NR_BUFS)
44 *num_buffers = NR_BUFS;
45 if (*num_planes)
46 return sizes[0] < size ? -EINVAL : 0;
47 *num_planes = 1;
48 sizes[0] = size;
49 return 0;
50}
51
52static int cobalt_buf_init(struct vb2_buffer *vb)
53{
54 struct cobalt_stream *s = vb->vb2_queue->drv_priv;
55 struct cobalt *cobalt = s->cobalt;
56 const size_t max_pages_per_line =
57 (COBALT_MAX_WIDTH * COBALT_MAX_BPP) / PAGE_SIZE + 2;
58 const size_t bytes =
59 COBALT_MAX_HEIGHT * max_pages_per_line * 0x20;
60 const size_t audio_bytes = ((1920 * 4) / PAGE_SIZE + 1) * 0x20;
61 struct sg_dma_desc_info *desc = &s->dma_desc_info[vb->index];
62 struct sg_table *sg_desc = vb2_dma_sg_plane_desc(vb, 0);
63 unsigned size;
64 int ret;
65
66 size = s->stride * s->height;
67 if (vb2_plane_size(vb, 0) < size) {
68 cobalt_info("data will not fit into plane (%lu < %u)\n",
69 vb2_plane_size(vb, 0), size);
70 return -EINVAL;
71 }
72
73 if (desc->virt == NULL) {
74 desc->dev = &cobalt->pci_dev->dev;
75 descriptor_list_allocate(desc,
76 s->is_audio ? audio_bytes : bytes);
77 if (desc->virt == NULL)
78 return -ENOMEM;
79 }
80 ret = descriptor_list_create(cobalt, sg_desc->sgl,
81 !s->is_output, sg_desc->nents, size,
82 s->width * s->bpp, s->stride, desc);
83 if (ret)
84 descriptor_list_free(desc);
85 return ret;
86}
87
88static void cobalt_buf_cleanup(struct vb2_buffer *vb)
89{
90 struct cobalt_stream *s = vb->vb2_queue->drv_priv;
91 struct sg_dma_desc_info *desc = &s->dma_desc_info[vb->index];
92
93 descriptor_list_free(desc);
94}
95
96static int cobalt_buf_prepare(struct vb2_buffer *vb)
97{
98 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
99 struct cobalt_stream *s = vb->vb2_queue->drv_priv;
100
101 vb2_set_plane_payload(vb, 0, s->stride * s->height);
102 vbuf->field = V4L2_FIELD_NONE;
103 return 0;
104}
105
106static void chain_all_buffers(struct cobalt_stream *s)
107{
108 struct sg_dma_desc_info *desc[NR_BUFS];
109 struct cobalt_buffer *cb;
110 struct list_head *p;
111 int i = 0;
112
113 list_for_each(p, &s->bufs) {
114 cb = list_entry(p, struct cobalt_buffer, list);
115 desc[i] = &s->dma_desc_info[cb->vb.vb2_buf.index];
116 if (i > 0)
117 descriptor_list_chain(desc[i-1], desc[i]);
118 i++;
119 }
120}
121
122static void cobalt_buf_queue(struct vb2_buffer *vb)
123{
124 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
125 struct vb2_queue *q = vb->vb2_queue;
126 struct cobalt_stream *s = q->drv_priv;
127 struct cobalt_buffer *cb = to_cobalt_buffer(vbuf);
128 struct sg_dma_desc_info *desc = &s->dma_desc_info[vb->index];
129 unsigned long flags;
130
131
132 descriptor_list_loopback(desc);
133 descriptor_list_interrupt_disable(desc);
134
135 spin_lock_irqsave(&s->irqlock, flags);
136 list_add_tail(&cb->list, &s->bufs);
137 chain_all_buffers(s);
138 spin_unlock_irqrestore(&s->irqlock, flags);
139}
140
141static void cobalt_enable_output(struct cobalt_stream *s)
142{
143 struct cobalt *cobalt = s->cobalt;
144 struct v4l2_bt_timings *bt = &s->timings.bt;
145 struct m00514_syncgen_flow_evcnt_regmap __iomem *vo =
146 COBALT_TX_BASE(cobalt);
147 unsigned fmt = s->pixfmt != V4L2_PIX_FMT_BGR32 ?
148 M00514_CONTROL_BITMAP_FORMAT_16_BPP_MSK : 0;
149 struct v4l2_subdev_format sd_fmt = {
150 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
151 };
152 u64 clk = bt->pixelclock;
153
154 if (bt->flags & V4L2_DV_FL_REDUCED_FPS)
155 clk = div_u64(clk * 1000ULL, 1001);
156 if (!cobalt_cpld_set_freq(cobalt, clk)) {
157 cobalt_err("pixelclock out of range\n");
158 return;
159 }
160
161 sd_fmt.format.colorspace = s->colorspace;
162 sd_fmt.format.xfer_func = s->xfer_func;
163 sd_fmt.format.ycbcr_enc = s->ycbcr_enc;
164 sd_fmt.format.quantization = s->quantization;
165 sd_fmt.format.width = bt->width;
166 sd_fmt.format.height = bt->height;
167
168
169 switch (s->pixfmt) {
170 case V4L2_PIX_FMT_YUYV:
171 sd_fmt.format.code = MEDIA_BUS_FMT_UYVY8_1X16;
172 break;
173 case V4L2_PIX_FMT_BGR32:
174 sd_fmt.format.code = MEDIA_BUS_FMT_RGB888_1X24;
175 break;
176 }
177 v4l2_subdev_call(s->sd, pad, set_fmt, NULL, &sd_fmt);
178
179 iowrite32(0, &vo->control);
180
181 iowrite32(bt->hsync, &vo->sync_generator_h_sync_length);
182 iowrite32(bt->hbackporch, &vo->sync_generator_h_backporch_length);
183 iowrite32(bt->width, &vo->sync_generator_h_active_length);
184 iowrite32(bt->hfrontporch, &vo->sync_generator_h_frontporch_length);
185 iowrite32(bt->vsync, &vo->sync_generator_v_sync_length);
186 iowrite32(bt->vbackporch, &vo->sync_generator_v_backporch_length);
187 iowrite32(bt->height, &vo->sync_generator_v_active_length);
188 iowrite32(bt->vfrontporch, &vo->sync_generator_v_frontporch_length);
189 iowrite32(0x9900c1, &vo->error_color);
190
191 iowrite32(M00514_CONTROL_BITMAP_SYNC_GENERATOR_LOAD_PARAM_MSK | fmt,
192 &vo->control);
193 iowrite32(M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK | fmt, &vo->control);
194 iowrite32(M00514_CONTROL_BITMAP_SYNC_GENERATOR_ENABLE_MSK |
195 M00514_CONTROL_BITMAP_FLOW_CTRL_OUTPUT_ENABLE_MSK |
196 fmt, &vo->control);
197}
198
199static void cobalt_enable_input(struct cobalt_stream *s)
200{
201 struct cobalt *cobalt = s->cobalt;
202 int ch = (int)s->video_channel;
203 struct m00235_fdma_packer_regmap __iomem *packer;
204 struct v4l2_subdev_format sd_fmt_yuyv = {
205 .pad = s->pad_source,
206 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
207 .format.code = MEDIA_BUS_FMT_YUYV8_1X16,
208 };
209 struct v4l2_subdev_format sd_fmt_rgb = {
210 .pad = s->pad_source,
211 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
212 .format.code = MEDIA_BUS_FMT_RGB888_1X24,
213 };
214
215 cobalt_dbg(1, "video_channel %d (%s, %s)\n",
216 s->video_channel,
217 s->input == 0 ? "hdmi" : "generator",
218 "YUYV");
219
220 packer = COBALT_CVI_PACKER(cobalt, ch);
221
222
223 switch (s->pixfmt) {
224 case V4L2_PIX_FMT_YUYV:
225 iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK |
226 (1 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST),
227 &packer->control);
228 v4l2_subdev_call(s->sd, pad, set_fmt, NULL,
229 &sd_fmt_yuyv);
230 break;
231 case V4L2_PIX_FMT_RGB24:
232 iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK |
233 (2 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST),
234 &packer->control);
235 v4l2_subdev_call(s->sd, pad, set_fmt, NULL,
236 &sd_fmt_rgb);
237 break;
238 case V4L2_PIX_FMT_BGR32:
239 iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK |
240 M00235_CONTROL_BITMAP_ENDIAN_FORMAT_MSK |
241 (3 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST),
242 &packer->control);
243 v4l2_subdev_call(s->sd, pad, set_fmt, NULL,
244 &sd_fmt_rgb);
245 break;
246 }
247}
248
249static void cobalt_dma_start_streaming(struct cobalt_stream *s)
250{
251 struct cobalt *cobalt = s->cobalt;
252 int rx = s->video_channel;
253 struct m00460_evcnt_regmap __iomem *evcnt =
254 COBALT_CVI_EVCNT(cobalt, rx);
255 struct cobalt_buffer *cb;
256 unsigned long flags;
257
258 spin_lock_irqsave(&s->irqlock, flags);
259 if (!s->is_output) {
260 iowrite32(M00460_CONTROL_BITMAP_CLEAR_MSK, &evcnt->control);
261 iowrite32(M00460_CONTROL_BITMAP_ENABLE_MSK, &evcnt->control);
262 } else {
263 struct m00514_syncgen_flow_evcnt_regmap __iomem *vo =
264 COBALT_TX_BASE(cobalt);
265 u32 ctrl = ioread32(&vo->control);
266
267 ctrl &= ~(M00514_CONTROL_BITMAP_EVCNT_ENABLE_MSK |
268 M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK);
269 iowrite32(ctrl | M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK,
270 &vo->control);
271 iowrite32(ctrl | M00514_CONTROL_BITMAP_EVCNT_ENABLE_MSK,
272 &vo->control);
273 }
274 cb = list_first_entry(&s->bufs, struct cobalt_buffer, list);
275 omni_sg_dma_start(s, &s->dma_desc_info[cb->vb.vb2_buf.index]);
276 spin_unlock_irqrestore(&s->irqlock, flags);
277}
278
279static int cobalt_start_streaming(struct vb2_queue *q, unsigned int count)
280{
281 struct cobalt_stream *s = q->drv_priv;
282 struct cobalt *cobalt = s->cobalt;
283 struct m00233_video_measure_regmap __iomem *vmr;
284 struct m00473_freewheel_regmap __iomem *fw;
285 struct m00479_clk_loss_detector_regmap __iomem *clkloss;
286 int rx = s->video_channel;
287 struct m00389_cvi_regmap __iomem *cvi = COBALT_CVI(cobalt, rx);
288 struct m00460_evcnt_regmap __iomem *evcnt = COBALT_CVI_EVCNT(cobalt, rx);
289 struct v4l2_bt_timings *bt = &s->timings.bt;
290 u64 tot_size;
291 u32 clk_freq;
292
293 if (s->is_audio)
294 goto done;
295 if (s->is_output) {
296 s->unstable_frame = false;
297 cobalt_enable_output(s);
298 goto done;
299 }
300
301 cobalt_enable_input(s);
302
303 fw = COBALT_CVI_FREEWHEEL(cobalt, rx);
304 vmr = COBALT_CVI_VMR(cobalt, rx);
305 clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx);
306
307 iowrite32(M00460_CONTROL_BITMAP_CLEAR_MSK, &evcnt->control);
308 iowrite32(M00460_CONTROL_BITMAP_ENABLE_MSK, &evcnt->control);
309 iowrite32(bt->width, &cvi->frame_width);
310 iowrite32(bt->height, &cvi->frame_height);
311 tot_size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
312 iowrite32(div_u64((u64)V4L2_DV_BT_FRAME_WIDTH(bt) * COBALT_CLK * 4,
313 bt->pixelclock), &vmr->hsync_timeout_val);
314 iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control);
315 clk_freq = ioread32(&fw->clk_freq);
316 iowrite32(clk_freq / 1000000, &clkloss->ref_clk_cnt_val);
317
318
319 iowrite32(div_u64(bt->pixelclock * 995, 1000000000),
320 &clkloss->test_clk_cnt_val);
321
322 iowrite32(bt->width * bt->height, &fw->active_length);
323 iowrite32(div_u64((u64)clk_freq * tot_size, bt->pixelclock),
324 &fw->total_length);
325 iowrite32(M00233_IRQ_TRIGGERS_BITMAP_VACTIVE_AREA_MSK |
326 M00233_IRQ_TRIGGERS_BITMAP_HACTIVE_AREA_MSK,
327 &vmr->irq_triggers);
328 iowrite32(0, &cvi->control);
329 iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control);
330
331 iowrite32(0xff, &fw->output_color);
332 iowrite32(M00479_CTRL_BITMAP_ENABLE_MSK, &clkloss->ctrl);
333 iowrite32(M00473_CTRL_BITMAP_ENABLE_MSK |
334 M00473_CTRL_BITMAP_FORCE_FREEWHEEL_MODE_MSK, &fw->ctrl);
335 s->unstable_frame = true;
336 s->enable_freewheel = false;
337 s->enable_cvi = false;
338 s->skip_first_frames = 0;
339
340done:
341 s->sequence = 0;
342 cobalt_dma_start_streaming(s);
343 return 0;
344}
345
346static void cobalt_dma_stop_streaming(struct cobalt_stream *s)
347{
348 struct cobalt *cobalt = s->cobalt;
349 struct sg_dma_desc_info *desc;
350 struct cobalt_buffer *cb;
351 struct list_head *p;
352 unsigned long flags;
353 int timeout_msec = 100;
354 int rx = s->video_channel;
355 struct m00460_evcnt_regmap __iomem *evcnt =
356 COBALT_CVI_EVCNT(cobalt, rx);
357
358 if (!s->is_output) {
359 iowrite32(0, &evcnt->control);
360 } else if (!s->is_audio) {
361 struct m00514_syncgen_flow_evcnt_regmap __iomem *vo =
362 COBALT_TX_BASE(cobalt);
363
364 iowrite32(M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK, &vo->control);
365 iowrite32(0, &vo->control);
366 }
367
368
369 spin_lock_irqsave(&s->irqlock, flags);
370 list_for_each(p, &s->bufs) {
371 cb = list_entry(p, struct cobalt_buffer, list);
372 desc = &s->dma_desc_info[cb->vb.vb2_buf.index];
373
374 descriptor_list_end_of_chain(desc);
375 }
376 spin_unlock_irqrestore(&s->irqlock, flags);
377
378
379 if (!wait_event_timeout(s->q.done_wq, is_dma_done(s),
380 msecs_to_jiffies(timeout_msec))) {
381 omni_sg_dma_abort_channel(s);
382 pr_warn("aborted\n");
383 }
384 cobalt_write_bar0(cobalt, DMA_INTERRUPT_STATUS_REG,
385 1 << s->dma_channel);
386}
387
388static void cobalt_stop_streaming(struct vb2_queue *q)
389{
390 struct cobalt_stream *s = q->drv_priv;
391 struct cobalt *cobalt = s->cobalt;
392 int rx = s->video_channel;
393 struct m00233_video_measure_regmap __iomem *vmr;
394 struct m00473_freewheel_regmap __iomem *fw;
395 struct m00479_clk_loss_detector_regmap __iomem *clkloss;
396 struct cobalt_buffer *cb;
397 struct list_head *p, *safe;
398 unsigned long flags;
399
400 cobalt_dma_stop_streaming(s);
401
402
403 spin_lock_irqsave(&s->irqlock, flags);
404 list_for_each_safe(p, safe, &s->bufs) {
405 cb = list_entry(p, struct cobalt_buffer, list);
406 list_del(&cb->list);
407 vb2_buffer_done(&cb->vb.vb2_buf, VB2_BUF_STATE_ERROR);
408 }
409 spin_unlock_irqrestore(&s->irqlock, flags);
410
411 if (s->is_audio || s->is_output)
412 return;
413
414 fw = COBALT_CVI_FREEWHEEL(cobalt, rx);
415 vmr = COBALT_CVI_VMR(cobalt, rx);
416 clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx);
417 iowrite32(0, &vmr->control);
418 iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control);
419 iowrite32(0, &fw->ctrl);
420 iowrite32(0, &clkloss->ctrl);
421}
422
423static const struct vb2_ops cobalt_qops = {
424 .queue_setup = cobalt_queue_setup,
425 .buf_init = cobalt_buf_init,
426 .buf_cleanup = cobalt_buf_cleanup,
427 .buf_prepare = cobalt_buf_prepare,
428 .buf_queue = cobalt_buf_queue,
429 .start_streaming = cobalt_start_streaming,
430 .stop_streaming = cobalt_stop_streaming,
431 .wait_prepare = vb2_ops_wait_prepare,
432 .wait_finish = vb2_ops_wait_finish,
433};
434
435
436
437#ifdef CONFIG_VIDEO_ADV_DEBUG
438static int cobalt_cobaltc(struct cobalt *cobalt, unsigned int cmd, void *arg)
439{
440 struct v4l2_dbg_register *regs = arg;
441 void __iomem *adrs = cobalt->bar1 + regs->reg;
442
443 cobalt_info("cobalt_cobaltc: adrs = %p\n", adrs);
444
445 if (!capable(CAP_SYS_ADMIN))
446 return -EPERM;
447
448 regs->size = 4;
449 if (cmd == VIDIOC_DBG_S_REGISTER)
450 iowrite32(regs->val, adrs);
451 else
452 regs->val = ioread32(adrs);
453 return 0;
454}
455
456static int cobalt_g_register(struct file *file, void *priv_fh,
457 struct v4l2_dbg_register *reg)
458{
459 struct cobalt_stream *s = video_drvdata(file);
460 struct cobalt *cobalt = s->cobalt;
461
462 return cobalt_cobaltc(cobalt, VIDIOC_DBG_G_REGISTER, reg);
463}
464
465static int cobalt_s_register(struct file *file, void *priv_fh,
466 const struct v4l2_dbg_register *reg)
467{
468 struct cobalt_stream *s = video_drvdata(file);
469 struct cobalt *cobalt = s->cobalt;
470
471 return cobalt_cobaltc(cobalt, VIDIOC_DBG_S_REGISTER,
472 (struct v4l2_dbg_register *)reg);
473}
474#endif
475
476static int cobalt_querycap(struct file *file, void *priv_fh,
477 struct v4l2_capability *vcap)
478{
479 struct cobalt_stream *s = video_drvdata(file);
480 struct cobalt *cobalt = s->cobalt;
481
482 strlcpy(vcap->driver, "cobalt", sizeof(vcap->driver));
483 strlcpy(vcap->card, "cobalt", sizeof(vcap->card));
484 snprintf(vcap->bus_info, sizeof(vcap->bus_info),
485 "PCIe:%s", pci_name(cobalt->pci_dev));
486 vcap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
487 if (s->is_output)
488 vcap->device_caps |= V4L2_CAP_VIDEO_OUTPUT;
489 else
490 vcap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
491 vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS |
492 V4L2_CAP_VIDEO_CAPTURE;
493 if (cobalt->have_hsma_tx)
494 vcap->capabilities |= V4L2_CAP_VIDEO_OUTPUT;
495 return 0;
496}
497
498static void cobalt_video_input_status_show(struct cobalt_stream *s)
499{
500 struct m00389_cvi_regmap __iomem *cvi;
501 struct m00233_video_measure_regmap __iomem *vmr;
502 struct m00473_freewheel_regmap __iomem *fw;
503 struct m00479_clk_loss_detector_regmap __iomem *clkloss;
504 struct m00235_fdma_packer_regmap __iomem *packer;
505 int rx = s->video_channel;
506 struct cobalt *cobalt = s->cobalt;
507 u32 cvi_ctrl, cvi_stat;
508 u32 vmr_ctrl, vmr_stat;
509
510 cvi = COBALT_CVI(cobalt, rx);
511 vmr = COBALT_CVI_VMR(cobalt, rx);
512 fw = COBALT_CVI_FREEWHEEL(cobalt, rx);
513 clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx);
514 packer = COBALT_CVI_PACKER(cobalt, rx);
515 cvi_ctrl = ioread32(&cvi->control);
516 cvi_stat = ioread32(&cvi->status);
517 vmr_ctrl = ioread32(&vmr->control);
518 vmr_stat = ioread32(&vmr->status);
519 cobalt_info("rx%d: cvi resolution: %dx%d\n", rx,
520 ioread32(&cvi->frame_width), ioread32(&cvi->frame_height));
521 cobalt_info("rx%d: cvi control: %s%s%s\n", rx,
522 (cvi_ctrl & M00389_CONTROL_BITMAP_ENABLE_MSK) ?
523 "enable " : "disable ",
524 (cvi_ctrl & M00389_CONTROL_BITMAP_HSYNC_POLARITY_LOW_MSK) ?
525 "HSync- " : "HSync+ ",
526 (cvi_ctrl & M00389_CONTROL_BITMAP_VSYNC_POLARITY_LOW_MSK) ?
527 "VSync- " : "VSync+ ");
528 cobalt_info("rx%d: cvi status: %s%s\n", rx,
529 (cvi_stat & M00389_STATUS_BITMAP_LOCK_MSK) ?
530 "lock " : "no-lock ",
531 (cvi_stat & M00389_STATUS_BITMAP_ERROR_MSK) ?
532 "error " : "no-error ");
533
534 cobalt_info("rx%d: Measurements: %s%s%s%s%s%s%s\n", rx,
535 (vmr_ctrl & M00233_CONTROL_BITMAP_HSYNC_POLARITY_LOW_MSK) ?
536 "HSync- " : "HSync+ ",
537 (vmr_ctrl & M00233_CONTROL_BITMAP_VSYNC_POLARITY_LOW_MSK) ?
538 "VSync- " : "VSync+ ",
539 (vmr_ctrl & M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK) ?
540 "enabled " : "disabled ",
541 (vmr_ctrl & M00233_CONTROL_BITMAP_ENABLE_INTERRUPT_MSK) ?
542 "irq-enabled " : "irq-disabled ",
543 (vmr_ctrl & M00233_CONTROL_BITMAP_UPDATE_ON_HSYNC_MSK) ?
544 "update-on-hsync " : "",
545 (vmr_stat & M00233_STATUS_BITMAP_HSYNC_TIMEOUT_MSK) ?
546 "hsync-timeout " : "",
547 (vmr_stat & M00233_STATUS_BITMAP_INIT_DONE_MSK) ?
548 "init-done" : "");
549 cobalt_info("rx%d: irq_status: 0x%02x irq_triggers: 0x%02x\n", rx,
550 ioread32(&vmr->irq_status) & 0xff,
551 ioread32(&vmr->irq_triggers) & 0xff);
552 cobalt_info("rx%d: vsync: %d\n", rx, ioread32(&vmr->vsync_time));
553 cobalt_info("rx%d: vbp: %d\n", rx, ioread32(&vmr->vback_porch));
554 cobalt_info("rx%d: vact: %d\n", rx, ioread32(&vmr->vactive_area));
555 cobalt_info("rx%d: vfb: %d\n", rx, ioread32(&vmr->vfront_porch));
556 cobalt_info("rx%d: hsync: %d\n", rx, ioread32(&vmr->hsync_time));
557 cobalt_info("rx%d: hbp: %d\n", rx, ioread32(&vmr->hback_porch));
558 cobalt_info("rx%d: hact: %d\n", rx, ioread32(&vmr->hactive_area));
559 cobalt_info("rx%d: hfb: %d\n", rx, ioread32(&vmr->hfront_porch));
560 cobalt_info("rx%d: Freewheeling: %s%s%s\n", rx,
561 (ioread32(&fw->ctrl) & M00473_CTRL_BITMAP_ENABLE_MSK) ?
562 "enabled " : "disabled ",
563 (ioread32(&fw->ctrl) & M00473_CTRL_BITMAP_FORCE_FREEWHEEL_MODE_MSK) ?
564 "forced " : "",
565 (ioread32(&fw->status) & M00473_STATUS_BITMAP_FREEWHEEL_MODE_MSK) ?
566 "freewheeling " : "video-passthrough ");
567 iowrite32(0xff, &vmr->irq_status);
568 cobalt_info("rx%d: Clock Loss Detection: %s%s\n", rx,
569 (ioread32(&clkloss->ctrl) & M00479_CTRL_BITMAP_ENABLE_MSK) ?
570 "enabled " : "disabled ",
571 (ioread32(&clkloss->status) & M00479_STATUS_BITMAP_CLOCK_MISSING_MSK) ?
572 "clock-missing " : "found-clock ");
573 cobalt_info("rx%d: Packer: %x\n", rx, ioread32(&packer->control));
574}
575
576static int cobalt_log_status(struct file *file, void *priv_fh)
577{
578 struct cobalt_stream *s = video_drvdata(file);
579 struct cobalt *cobalt = s->cobalt;
580 struct m00514_syncgen_flow_evcnt_regmap __iomem *vo =
581 COBALT_TX_BASE(cobalt);
582 u8 stat;
583
584 cobalt_info("%s", cobalt->hdl_info);
585 cobalt_info("sysctrl: %08x, sysstat: %08x\n",
586 cobalt_g_sysctrl(cobalt),
587 cobalt_g_sysstat(cobalt));
588 cobalt_info("dma channel: %d, video channel: %d\n",
589 s->dma_channel, s->video_channel);
590 cobalt_pcie_status_show(cobalt);
591 cobalt_cpld_status(cobalt);
592 cobalt_irq_log_status(cobalt);
593 v4l2_subdev_call(s->sd, core, log_status);
594 if (!s->is_output) {
595 cobalt_video_input_status_show(s);
596 return 0;
597 }
598
599 stat = ioread32(&vo->rd_status);
600
601 cobalt_info("tx: status: %s%s\n",
602 (stat & M00514_RD_STATUS_BITMAP_FLOW_CTRL_NO_DATA_ERROR_MSK) ?
603 "no_data " : "",
604 (stat & M00514_RD_STATUS_BITMAP_READY_BUFFER_FULL_MSK) ?
605 "ready_buffer_full " : "");
606 cobalt_info("tx: evcnt: %d\n", ioread32(&vo->rd_evcnt_count));
607 return 0;
608}
609
610static int cobalt_enum_dv_timings(struct file *file, void *priv_fh,
611 struct v4l2_enum_dv_timings *timings)
612{
613 struct cobalt_stream *s = video_drvdata(file);
614
615 if (s->input == 1) {
616 if (timings->index)
617 return -EINVAL;
618 memset(timings->reserved, 0, sizeof(timings->reserved));
619 timings->timings = cea1080p60;
620 return 0;
621 }
622 timings->pad = 0;
623 return v4l2_subdev_call(s->sd,
624 pad, enum_dv_timings, timings);
625}
626
627static int cobalt_s_dv_timings(struct file *file, void *priv_fh,
628 struct v4l2_dv_timings *timings)
629{
630 struct cobalt_stream *s = video_drvdata(file);
631 int err;
632
633 if (s->input == 1) {
634 *timings = cea1080p60;
635 return 0;
636 }
637
638 if (v4l2_match_dv_timings(timings, &s->timings, 0, true))
639 return 0;
640
641 if (vb2_is_busy(&s->q))
642 return -EBUSY;
643
644 err = v4l2_subdev_call(s->sd,
645 video, s_dv_timings, timings);
646 if (!err) {
647 s->timings = *timings;
648 s->width = timings->bt.width;
649 s->height = timings->bt.height;
650 s->stride = timings->bt.width * s->bpp;
651 }
652 return err;
653}
654
655static int cobalt_g_dv_timings(struct file *file, void *priv_fh,
656 struct v4l2_dv_timings *timings)
657{
658 struct cobalt_stream *s = video_drvdata(file);
659
660 if (s->input == 1) {
661 *timings = cea1080p60;
662 return 0;
663 }
664 return v4l2_subdev_call(s->sd,
665 video, g_dv_timings, timings);
666}
667
668static int cobalt_query_dv_timings(struct file *file, void *priv_fh,
669 struct v4l2_dv_timings *timings)
670{
671 struct cobalt_stream *s = video_drvdata(file);
672
673 if (s->input == 1) {
674 *timings = cea1080p60;
675 return 0;
676 }
677 return v4l2_subdev_call(s->sd,
678 video, query_dv_timings, timings);
679}
680
681static int cobalt_dv_timings_cap(struct file *file, void *priv_fh,
682 struct v4l2_dv_timings_cap *cap)
683{
684 struct cobalt_stream *s = video_drvdata(file);
685
686 cap->pad = 0;
687 return v4l2_subdev_call(s->sd,
688 pad, dv_timings_cap, cap);
689}
690
691static int cobalt_enum_fmt_vid_cap(struct file *file, void *priv_fh,
692 struct v4l2_fmtdesc *f)
693{
694 switch (f->index) {
695 case 0:
696 strlcpy(f->description, "YUV 4:2:2", sizeof(f->description));
697 f->pixelformat = V4L2_PIX_FMT_YUYV;
698 break;
699 case 1:
700 strlcpy(f->description, "RGB24", sizeof(f->description));
701 f->pixelformat = V4L2_PIX_FMT_RGB24;
702 break;
703 case 2:
704 strlcpy(f->description, "RGB32", sizeof(f->description));
705 f->pixelformat = V4L2_PIX_FMT_BGR32;
706 break;
707 default:
708 return -EINVAL;
709 }
710
711 return 0;
712}
713
714static int cobalt_g_fmt_vid_cap(struct file *file, void *priv_fh,
715 struct v4l2_format *f)
716{
717 struct cobalt_stream *s = video_drvdata(file);
718 struct v4l2_pix_format *pix = &f->fmt.pix;
719 struct v4l2_subdev_format sd_fmt;
720
721 pix->width = s->width;
722 pix->height = s->height;
723 pix->bytesperline = s->stride;
724 pix->field = V4L2_FIELD_NONE;
725
726 if (s->input == 1) {
727 pix->colorspace = V4L2_COLORSPACE_SRGB;
728 } else {
729 sd_fmt.pad = s->pad_source;
730 sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
731 v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt);
732 v4l2_fill_pix_format(pix, &sd_fmt.format);
733 }
734
735 pix->pixelformat = s->pixfmt;
736 pix->sizeimage = pix->bytesperline * pix->height;
737
738 return 0;
739}
740
741static int cobalt_try_fmt_vid_cap(struct file *file, void *priv_fh,
742 struct v4l2_format *f)
743{
744 struct cobalt_stream *s = video_drvdata(file);
745 struct v4l2_pix_format *pix = &f->fmt.pix;
746 struct v4l2_subdev_format sd_fmt;
747
748
749 if ((pix->width < 176) || (pix->height < 144)) {
750 pix->width = 176;
751 pix->height = 144;
752 }
753
754 if ((pix->width > 1920) || (pix->height > 1080)) {
755 pix->width = 1920;
756 pix->height = 1080;
757 }
758
759
760 pix->width &= ~0x3;
761
762
763 pix->height &= ~0x1;
764
765 if (s->input == 1) {
766
767 pix->width = 1920;
768 pix->height = 1080;
769 pix->colorspace = V4L2_COLORSPACE_SRGB;
770 } else {
771 sd_fmt.pad = s->pad_source;
772 sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
773 v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt);
774 v4l2_fill_pix_format(pix, &sd_fmt.format);
775 }
776
777 switch (pix->pixelformat) {
778 case V4L2_PIX_FMT_YUYV:
779 default:
780 pix->bytesperline = max(pix->bytesperline & ~0x3,
781 pix->width * COBALT_BYTES_PER_PIXEL_YUYV);
782 pix->pixelformat = V4L2_PIX_FMT_YUYV;
783 break;
784 case V4L2_PIX_FMT_RGB24:
785 pix->bytesperline = max(pix->bytesperline & ~0x3,
786 pix->width * COBALT_BYTES_PER_PIXEL_RGB24);
787 break;
788 case V4L2_PIX_FMT_BGR32:
789 pix->bytesperline = max(pix->bytesperline & ~0x3,
790 pix->width * COBALT_BYTES_PER_PIXEL_RGB32);
791 break;
792 }
793
794 pix->sizeimage = pix->bytesperline * pix->height;
795 pix->field = V4L2_FIELD_NONE;
796 pix->priv = 0;
797
798 return 0;
799}
800
801static int cobalt_s_fmt_vid_cap(struct file *file, void *priv_fh,
802 struct v4l2_format *f)
803{
804 struct cobalt_stream *s = video_drvdata(file);
805 struct v4l2_pix_format *pix = &f->fmt.pix;
806
807 if (vb2_is_busy(&s->q))
808 return -EBUSY;
809
810 if (cobalt_try_fmt_vid_cap(file, priv_fh, f))
811 return -EINVAL;
812
813 s->width = pix->width;
814 s->height = pix->height;
815 s->stride = pix->bytesperline;
816 switch (pix->pixelformat) {
817 case V4L2_PIX_FMT_YUYV:
818 s->bpp = COBALT_BYTES_PER_PIXEL_YUYV;
819 break;
820 case V4L2_PIX_FMT_RGB24:
821 s->bpp = COBALT_BYTES_PER_PIXEL_RGB24;
822 break;
823 case V4L2_PIX_FMT_BGR32:
824 s->bpp = COBALT_BYTES_PER_PIXEL_RGB32;
825 break;
826 default:
827 return -EINVAL;
828 }
829 s->pixfmt = pix->pixelformat;
830 cobalt_enable_input(s);
831
832 return 0;
833}
834
835static int cobalt_try_fmt_vid_out(struct file *file, void *priv_fh,
836 struct v4l2_format *f)
837{
838 struct v4l2_pix_format *pix = &f->fmt.pix;
839
840
841 if ((pix->width < 176) || (pix->height < 144)) {
842 pix->width = 176;
843 pix->height = 144;
844 }
845
846 if ((pix->width > 1920) || (pix->height > 1080)) {
847 pix->width = 1920;
848 pix->height = 1080;
849 }
850
851
852 pix->width &= ~0x3;
853
854
855 pix->height &= ~0x1;
856
857 switch (pix->pixelformat) {
858 case V4L2_PIX_FMT_YUYV:
859 default:
860 pix->bytesperline = max(pix->bytesperline & ~0x3,
861 pix->width * COBALT_BYTES_PER_PIXEL_YUYV);
862 pix->pixelformat = V4L2_PIX_FMT_YUYV;
863 break;
864 case V4L2_PIX_FMT_BGR32:
865 pix->bytesperline = max(pix->bytesperline & ~0x3,
866 pix->width * COBALT_BYTES_PER_PIXEL_RGB32);
867 break;
868 }
869
870 pix->sizeimage = pix->bytesperline * pix->height;
871 pix->field = V4L2_FIELD_NONE;
872
873 return 0;
874}
875
876static int cobalt_g_fmt_vid_out(struct file *file, void *priv_fh,
877 struct v4l2_format *f)
878{
879 struct cobalt_stream *s = video_drvdata(file);
880 struct v4l2_pix_format *pix = &f->fmt.pix;
881
882 pix->width = s->width;
883 pix->height = s->height;
884 pix->bytesperline = s->stride;
885 pix->field = V4L2_FIELD_NONE;
886 pix->pixelformat = s->pixfmt;
887 pix->colorspace = s->colorspace;
888 pix->xfer_func = s->xfer_func;
889 pix->ycbcr_enc = s->ycbcr_enc;
890 pix->quantization = s->quantization;
891 pix->sizeimage = pix->bytesperline * pix->height;
892
893 return 0;
894}
895
896static int cobalt_enum_fmt_vid_out(struct file *file, void *priv_fh,
897 struct v4l2_fmtdesc *f)
898{
899 switch (f->index) {
900 case 0:
901 strlcpy(f->description, "YUV 4:2:2", sizeof(f->description));
902 f->pixelformat = V4L2_PIX_FMT_YUYV;
903 break;
904 case 1:
905 strlcpy(f->description, "RGB32", sizeof(f->description));
906 f->pixelformat = V4L2_PIX_FMT_BGR32;
907 break;
908 default:
909 return -EINVAL;
910 }
911
912 return 0;
913}
914
915static int cobalt_s_fmt_vid_out(struct file *file, void *priv_fh,
916 struct v4l2_format *f)
917{
918 struct cobalt_stream *s = video_drvdata(file);
919 struct v4l2_pix_format *pix = &f->fmt.pix;
920 struct v4l2_subdev_format sd_fmt = { 0 };
921 u32 code;
922
923 if (cobalt_try_fmt_vid_out(file, priv_fh, f))
924 return -EINVAL;
925
926 if (vb2_is_busy(&s->q) && (pix->pixelformat != s->pixfmt ||
927 pix->width != s->width || pix->height != s->height ||
928 pix->bytesperline != s->stride))
929 return -EBUSY;
930
931 switch (pix->pixelformat) {
932 case V4L2_PIX_FMT_YUYV:
933 s->bpp = COBALT_BYTES_PER_PIXEL_YUYV;
934 code = MEDIA_BUS_FMT_UYVY8_1X16;
935 break;
936 case V4L2_PIX_FMT_BGR32:
937 s->bpp = COBALT_BYTES_PER_PIXEL_RGB32;
938 code = MEDIA_BUS_FMT_RGB888_1X24;
939 break;
940 default:
941 return -EINVAL;
942 }
943 s->width = pix->width;
944 s->height = pix->height;
945 s->stride = pix->bytesperline;
946 s->pixfmt = pix->pixelformat;
947 s->colorspace = pix->colorspace;
948 s->xfer_func = pix->xfer_func;
949 s->ycbcr_enc = pix->ycbcr_enc;
950 s->quantization = pix->quantization;
951 sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
952 v4l2_fill_mbus_format(&sd_fmt.format, pix, code);
953 v4l2_subdev_call(s->sd, pad, set_fmt, NULL, &sd_fmt);
954 return 0;
955}
956
957static int cobalt_enum_input(struct file *file, void *priv_fh,
958 struct v4l2_input *inp)
959{
960 struct cobalt_stream *s = video_drvdata(file);
961
962 if (inp->index > 1)
963 return -EINVAL;
964 if (inp->index == 0)
965 snprintf(inp->name, sizeof(inp->name),
966 "HDMI-%d", s->video_channel);
967 else
968 snprintf(inp->name, sizeof(inp->name),
969 "Generator-%d", s->video_channel);
970 inp->type = V4L2_INPUT_TYPE_CAMERA;
971 inp->capabilities = V4L2_IN_CAP_DV_TIMINGS;
972 if (inp->index == 1)
973 return 0;
974 return v4l2_subdev_call(s->sd,
975 video, g_input_status, &inp->status);
976}
977
978static int cobalt_g_input(struct file *file, void *priv_fh, unsigned int *i)
979{
980 struct cobalt_stream *s = video_drvdata(file);
981
982 *i = s->input;
983 return 0;
984}
985
986static int cobalt_s_input(struct file *file, void *priv_fh, unsigned int i)
987{
988 struct cobalt_stream *s = video_drvdata(file);
989
990 if (i >= 2)
991 return -EINVAL;
992 if (vb2_is_busy(&s->q))
993 return -EBUSY;
994 s->input = i;
995
996 cobalt_enable_input(s);
997
998 if (s->input == 1)
999 return 0;
1000
1001 return v4l2_subdev_call(s->sd, video, s_routing,
1002 ADV76XX_PAD_HDMI_PORT_A, 0, 0);
1003}
1004
1005static int cobalt_enum_output(struct file *file, void *priv_fh,
1006 struct v4l2_output *out)
1007{
1008 if (out->index)
1009 return -EINVAL;
1010 snprintf(out->name, sizeof(out->name), "HDMI-%d", out->index);
1011 out->type = V4L2_OUTPUT_TYPE_ANALOG;
1012 out->capabilities = V4L2_OUT_CAP_DV_TIMINGS;
1013 return 0;
1014}
1015
1016static int cobalt_g_output(struct file *file, void *priv_fh, unsigned int *i)
1017{
1018 *i = 0;
1019 return 0;
1020}
1021
1022static int cobalt_s_output(struct file *file, void *priv_fh, unsigned int i)
1023{
1024 return i ? -EINVAL : 0;
1025}
1026
1027static int cobalt_g_edid(struct file *file, void *fh, struct v4l2_edid *edid)
1028{
1029 struct cobalt_stream *s = video_drvdata(file);
1030 u32 pad = edid->pad;
1031 int ret;
1032
1033 if (edid->pad >= (s->is_output ? 1 : 2))
1034 return -EINVAL;
1035 edid->pad = 0;
1036 ret = v4l2_subdev_call(s->sd, pad, get_edid, edid);
1037 edid->pad = pad;
1038 return ret;
1039}
1040
1041static int cobalt_s_edid(struct file *file, void *fh, struct v4l2_edid *edid)
1042{
1043 struct cobalt_stream *s = video_drvdata(file);
1044 u32 pad = edid->pad;
1045 int ret;
1046
1047 if (edid->pad >= 2)
1048 return -EINVAL;
1049 edid->pad = 0;
1050 ret = v4l2_subdev_call(s->sd, pad, set_edid, edid);
1051 edid->pad = pad;
1052 return ret;
1053}
1054
1055static int cobalt_subscribe_event(struct v4l2_fh *fh,
1056 const struct v4l2_event_subscription *sub)
1057{
1058 switch (sub->type) {
1059 case V4L2_EVENT_SOURCE_CHANGE:
1060 return v4l2_event_subscribe(fh, sub, 4, NULL);
1061 }
1062 return v4l2_ctrl_subscribe_event(fh, sub);
1063}
1064
1065static int cobalt_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1066{
1067 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1068 return -EINVAL;
1069 a->parm.capture.timeperframe.numerator = 1;
1070 a->parm.capture.timeperframe.denominator = 60;
1071 a->parm.capture.readbuffers = 3;
1072 return 0;
1073}
1074
1075static int cobalt_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cc)
1076{
1077 struct cobalt_stream *s = video_drvdata(file);
1078 struct v4l2_dv_timings timings;
1079 int err = 0;
1080
1081 if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1082 return -EINVAL;
1083 if (s->input == 1)
1084 timings = cea1080p60;
1085 else
1086 err = v4l2_subdev_call(s->sd, video, g_dv_timings, &timings);
1087 if (!err) {
1088 cc->bounds.width = cc->defrect.width = timings.bt.width;
1089 cc->bounds.height = cc->defrect.height = timings.bt.height;
1090 cc->pixelaspect = v4l2_dv_timings_aspect_ratio(&timings);
1091 }
1092 return err;
1093}
1094
1095static const struct v4l2_ioctl_ops cobalt_ioctl_ops = {
1096 .vidioc_querycap = cobalt_querycap,
1097 .vidioc_g_parm = cobalt_g_parm,
1098 .vidioc_log_status = cobalt_log_status,
1099 .vidioc_streamon = vb2_ioctl_streamon,
1100 .vidioc_streamoff = vb2_ioctl_streamoff,
1101 .vidioc_cropcap = cobalt_cropcap,
1102 .vidioc_enum_input = cobalt_enum_input,
1103 .vidioc_g_input = cobalt_g_input,
1104 .vidioc_s_input = cobalt_s_input,
1105 .vidioc_enum_fmt_vid_cap = cobalt_enum_fmt_vid_cap,
1106 .vidioc_g_fmt_vid_cap = cobalt_g_fmt_vid_cap,
1107 .vidioc_s_fmt_vid_cap = cobalt_s_fmt_vid_cap,
1108 .vidioc_try_fmt_vid_cap = cobalt_try_fmt_vid_cap,
1109 .vidioc_enum_output = cobalt_enum_output,
1110 .vidioc_g_output = cobalt_g_output,
1111 .vidioc_s_output = cobalt_s_output,
1112 .vidioc_enum_fmt_vid_out = cobalt_enum_fmt_vid_out,
1113 .vidioc_g_fmt_vid_out = cobalt_g_fmt_vid_out,
1114 .vidioc_s_fmt_vid_out = cobalt_s_fmt_vid_out,
1115 .vidioc_try_fmt_vid_out = cobalt_try_fmt_vid_out,
1116 .vidioc_s_dv_timings = cobalt_s_dv_timings,
1117 .vidioc_g_dv_timings = cobalt_g_dv_timings,
1118 .vidioc_query_dv_timings = cobalt_query_dv_timings,
1119 .vidioc_enum_dv_timings = cobalt_enum_dv_timings,
1120 .vidioc_dv_timings_cap = cobalt_dv_timings_cap,
1121 .vidioc_g_edid = cobalt_g_edid,
1122 .vidioc_s_edid = cobalt_s_edid,
1123 .vidioc_subscribe_event = cobalt_subscribe_event,
1124 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1125 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1126 .vidioc_create_bufs = vb2_ioctl_create_bufs,
1127 .vidioc_querybuf = vb2_ioctl_querybuf,
1128 .vidioc_qbuf = vb2_ioctl_qbuf,
1129 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1130 .vidioc_expbuf = vb2_ioctl_expbuf,
1131#ifdef CONFIG_VIDEO_ADV_DEBUG
1132 .vidioc_g_register = cobalt_g_register,
1133 .vidioc_s_register = cobalt_s_register,
1134#endif
1135};
1136
1137static const struct v4l2_ioctl_ops cobalt_ioctl_empty_ops = {
1138#ifdef CONFIG_VIDEO_ADV_DEBUG
1139 .vidioc_g_register = cobalt_g_register,
1140 .vidioc_s_register = cobalt_s_register,
1141#endif
1142};
1143
1144
1145
1146static const struct v4l2_file_operations cobalt_fops = {
1147 .owner = THIS_MODULE,
1148 .open = v4l2_fh_open,
1149 .unlocked_ioctl = video_ioctl2,
1150 .release = vb2_fop_release,
1151 .poll = vb2_fop_poll,
1152 .mmap = vb2_fop_mmap,
1153 .read = vb2_fop_read,
1154};
1155
1156static const struct v4l2_file_operations cobalt_out_fops = {
1157 .owner = THIS_MODULE,
1158 .open = v4l2_fh_open,
1159 .unlocked_ioctl = video_ioctl2,
1160 .release = vb2_fop_release,
1161 .poll = vb2_fop_poll,
1162 .mmap = vb2_fop_mmap,
1163 .write = vb2_fop_write,
1164};
1165
1166static const struct v4l2_file_operations cobalt_empty_fops = {
1167 .owner = THIS_MODULE,
1168 .open = v4l2_fh_open,
1169 .unlocked_ioctl = video_ioctl2,
1170 .release = v4l2_fh_release,
1171};
1172
1173static int cobalt_node_register(struct cobalt *cobalt, int node)
1174{
1175 static const struct v4l2_dv_timings dv1080p60 =
1176 V4L2_DV_BT_CEA_1920X1080P60;
1177 struct cobalt_stream *s = cobalt->streams + node;
1178 struct video_device *vdev = &s->vdev;
1179 struct vb2_queue *q = &s->q;
1180 int ret;
1181
1182 mutex_init(&s->lock);
1183 spin_lock_init(&s->irqlock);
1184
1185 snprintf(vdev->name, sizeof(vdev->name),
1186 "%s-%d", cobalt->v4l2_dev.name, node);
1187 s->width = 1920;
1188
1189 s->height = s->is_audio ? 4 : 1080;
1190
1191 if (s->is_audio) {
1192 s->bpp = 1;
1193 s->pixfmt = V4L2_PIX_FMT_GREY;
1194 } else if (s->is_output) {
1195 s->bpp = COBALT_BYTES_PER_PIXEL_RGB32;
1196 s->pixfmt = V4L2_PIX_FMT_BGR32;
1197 } else {
1198 s->bpp = COBALT_BYTES_PER_PIXEL_YUYV;
1199 s->pixfmt = V4L2_PIX_FMT_YUYV;
1200 }
1201 s->colorspace = V4L2_COLORSPACE_SRGB;
1202 s->stride = s->width * s->bpp;
1203
1204 if (!s->is_audio) {
1205 if (s->is_dummy)
1206 cobalt_warn("Setting up dummy video node %d\n", node);
1207 vdev->v4l2_dev = &cobalt->v4l2_dev;
1208 if (s->is_dummy)
1209 vdev->fops = &cobalt_empty_fops;
1210 else
1211 vdev->fops = s->is_output ? &cobalt_out_fops :
1212 &cobalt_fops;
1213 vdev->release = video_device_release_empty;
1214 vdev->vfl_dir = s->is_output ? VFL_DIR_TX : VFL_DIR_RX;
1215 vdev->lock = &s->lock;
1216 if (s->sd)
1217 vdev->ctrl_handler = s->sd->ctrl_handler;
1218 s->timings = dv1080p60;
1219 v4l2_subdev_call(s->sd, video, s_dv_timings, &s->timings);
1220 if (!s->is_output && s->sd)
1221 cobalt_enable_input(s);
1222 vdev->ioctl_ops = s->is_dummy ? &cobalt_ioctl_empty_ops :
1223 &cobalt_ioctl_ops;
1224 }
1225
1226 INIT_LIST_HEAD(&s->bufs);
1227 q->type = s->is_output ? V4L2_BUF_TYPE_VIDEO_OUTPUT :
1228 V4L2_BUF_TYPE_VIDEO_CAPTURE;
1229 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1230 q->io_modes |= s->is_output ? VB2_WRITE : VB2_READ;
1231 q->drv_priv = s;
1232 q->buf_struct_size = sizeof(struct cobalt_buffer);
1233 q->ops = &cobalt_qops;
1234 q->mem_ops = &vb2_dma_sg_memops;
1235 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1236 q->min_buffers_needed = 2;
1237 q->lock = &s->lock;
1238 q->dev = &cobalt->pci_dev->dev;
1239 vdev->queue = q;
1240
1241 video_set_drvdata(vdev, s);
1242 ret = vb2_queue_init(q);
1243 if (!s->is_audio && ret == 0)
1244 ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1245 else if (!s->is_dummy)
1246 ret = cobalt_alsa_init(s);
1247
1248 if (ret < 0) {
1249 if (!s->is_audio)
1250 cobalt_err("couldn't register v4l2 device node %d\n",
1251 node);
1252 return ret;
1253 }
1254 cobalt_info("registered node %d\n", node);
1255 return 0;
1256}
1257
1258
1259int cobalt_nodes_register(struct cobalt *cobalt)
1260{
1261 int node, ret;
1262
1263
1264 for (node = 0; node < COBALT_NUM_STREAMS; node++) {
1265 ret = cobalt_node_register(cobalt, node);
1266 if (ret)
1267 return ret;
1268 }
1269 return 0;
1270}
1271
1272
1273void cobalt_nodes_unregister(struct cobalt *cobalt)
1274{
1275 int node;
1276
1277
1278 for (node = 0; node < COBALT_NUM_STREAMS; node++) {
1279 struct cobalt_stream *s = cobalt->streams + node;
1280 struct video_device *vdev = &s->vdev;
1281
1282 if (!s->is_audio)
1283 video_unregister_device(vdev);
1284 else if (!s->is_dummy)
1285 cobalt_alsa_exit(s);
1286 }
1287}
1288
