1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * cobalt V4L2 API |
4 | * |
5 | * Derived from ivtv-ioctl.c and cx18-fileops.c |
6 | * |
7 | * Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates. |
8 | * All rights reserved. |
9 | */ |
10 | |
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 | |
30 | static const struct v4l2_dv_timings cea1080p60 = V4L2_DV_BT_CEA_1920X1080P60; |
31 | |
32 | /* vb2 DMA streaming ops */ |
33 | |
34 | static 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 | |
52 | static 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, plane_no: 0); |
63 | unsigned size; |
64 | int ret; |
65 | |
66 | size = s->stride * s->height; |
67 | if (vb2_plane_size(vb, plane_no: 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 | bytes: s->is_audio ? audio_bytes : bytes); |
77 | if (desc->virt == NULL) |
78 | return -ENOMEM; |
79 | } |
80 | ret = descriptor_list_create(cobalt, scatter_list: sg_desc->sgl, |
81 | to_pci: !s->is_output, sglen: sg_desc->nents, size, |
82 | width: s->width * s->bpp, stride: s->stride, desc); |
83 | if (ret) |
84 | descriptor_list_free(desc); |
85 | return ret; |
86 | } |
87 | |
88 | static 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 | |
96 | static 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, plane_no: 0, size: s->stride * s->height); |
102 | vbuf->field = V4L2_FIELD_NONE; |
103 | return 0; |
104 | } |
105 | |
106 | static void chain_all_buffers(struct cobalt_stream *s) |
107 | { |
108 | struct sg_dma_desc_info *desc[NR_BUFS]; |
109 | struct cobalt_buffer *cb; |
110 | int i = 0; |
111 | |
112 | list_for_each_entry(cb, &s->bufs, list) { |
113 | desc[i] = &s->dma_desc_info[cb->vb.vb2_buf.index]; |
114 | if (i > 0) |
115 | descriptor_list_chain(this: desc[i-1], next: desc[i]); |
116 | i++; |
117 | } |
118 | } |
119 | |
120 | static void cobalt_buf_queue(struct vb2_buffer *vb) |
121 | { |
122 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
123 | struct vb2_queue *q = vb->vb2_queue; |
124 | struct cobalt_stream *s = q->drv_priv; |
125 | struct cobalt_buffer *cb = to_cobalt_buffer(vb2: vbuf); |
126 | struct sg_dma_desc_info *desc = &s->dma_desc_info[vb->index]; |
127 | unsigned long flags; |
128 | |
129 | /* Prepare new buffer */ |
130 | descriptor_list_loopback(desc); |
131 | descriptor_list_interrupt_disable(desc); |
132 | |
133 | spin_lock_irqsave(&s->irqlock, flags); |
134 | list_add_tail(new: &cb->list, head: &s->bufs); |
135 | chain_all_buffers(s); |
136 | spin_unlock_irqrestore(lock: &s->irqlock, flags); |
137 | } |
138 | |
139 | static void cobalt_enable_output(struct cobalt_stream *s) |
140 | { |
141 | struct cobalt *cobalt = s->cobalt; |
142 | struct v4l2_bt_timings *bt = &s->timings.bt; |
143 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
144 | COBALT_TX_BASE(cobalt); |
145 | unsigned fmt = s->pixfmt != V4L2_PIX_FMT_BGR32 ? |
146 | M00514_CONTROL_BITMAP_FORMAT_16_BPP_MSK : 0; |
147 | struct v4l2_subdev_format sd_fmt = { |
148 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, |
149 | }; |
150 | u64 clk = bt->pixelclock; |
151 | |
152 | if (bt->flags & V4L2_DV_FL_REDUCED_FPS) |
153 | clk = div_u64(dividend: clk * 1000ULL, divisor: 1001); |
154 | if (!cobalt_cpld_set_freq(cobalt, freq: clk)) { |
155 | cobalt_err("pixelclock out of range\n" ); |
156 | return; |
157 | } |
158 | |
159 | sd_fmt.format.colorspace = s->colorspace; |
160 | sd_fmt.format.xfer_func = s->xfer_func; |
161 | sd_fmt.format.ycbcr_enc = s->ycbcr_enc; |
162 | sd_fmt.format.quantization = s->quantization; |
163 | sd_fmt.format.width = bt->width; |
164 | sd_fmt.format.height = bt->height; |
165 | |
166 | /* Set up FDMA packer */ |
167 | switch (s->pixfmt) { |
168 | case V4L2_PIX_FMT_YUYV: |
169 | sd_fmt.format.code = MEDIA_BUS_FMT_UYVY8_1X16; |
170 | break; |
171 | case V4L2_PIX_FMT_BGR32: |
172 | sd_fmt.format.code = MEDIA_BUS_FMT_RGB888_1X24; |
173 | break; |
174 | } |
175 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, &sd_fmt); |
176 | |
177 | iowrite32(0, &vo->control); |
178 | /* 1080p60 */ |
179 | iowrite32(bt->hsync, &vo->sync_generator_h_sync_length); |
180 | iowrite32(bt->hbackporch, &vo->sync_generator_h_backporch_length); |
181 | iowrite32(bt->width, &vo->sync_generator_h_active_length); |
182 | iowrite32(bt->hfrontporch, &vo->sync_generator_h_frontporch_length); |
183 | iowrite32(bt->vsync, &vo->sync_generator_v_sync_length); |
184 | iowrite32(bt->vbackporch, &vo->sync_generator_v_backporch_length); |
185 | iowrite32(bt->height, &vo->sync_generator_v_active_length); |
186 | iowrite32(bt->vfrontporch, &vo->sync_generator_v_frontporch_length); |
187 | iowrite32(0x9900c1, &vo->error_color); |
188 | |
189 | iowrite32(M00514_CONTROL_BITMAP_SYNC_GENERATOR_LOAD_PARAM_MSK | fmt, |
190 | &vo->control); |
191 | iowrite32(M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK | fmt, &vo->control); |
192 | iowrite32(M00514_CONTROL_BITMAP_SYNC_GENERATOR_ENABLE_MSK | |
193 | M00514_CONTROL_BITMAP_FLOW_CTRL_OUTPUT_ENABLE_MSK | |
194 | fmt, &vo->control); |
195 | } |
196 | |
197 | static void cobalt_enable_input(struct cobalt_stream *s) |
198 | { |
199 | struct cobalt *cobalt = s->cobalt; |
200 | int ch = (int)s->video_channel; |
201 | struct m00235_fdma_packer_regmap __iomem *packer; |
202 | struct v4l2_subdev_format sd_fmt_yuyv = { |
203 | .pad = s->pad_source, |
204 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, |
205 | .format.code = MEDIA_BUS_FMT_YUYV8_1X16, |
206 | }; |
207 | struct v4l2_subdev_format sd_fmt_rgb = { |
208 | .pad = s->pad_source, |
209 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, |
210 | .format.code = MEDIA_BUS_FMT_RGB888_1X24, |
211 | }; |
212 | |
213 | cobalt_dbg(1, "video_channel %d (%s, %s)\n" , |
214 | s->video_channel, |
215 | s->input == 0 ? "hdmi" : "generator" , |
216 | "YUYV" ); |
217 | |
218 | packer = COBALT_CVI_PACKER(cobalt, ch); |
219 | |
220 | /* Set up FDMA packer */ |
221 | switch (s->pixfmt) { |
222 | case V4L2_PIX_FMT_YUYV: |
223 | iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK | |
224 | (1 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST), |
225 | &packer->control); |
226 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, |
227 | &sd_fmt_yuyv); |
228 | break; |
229 | case V4L2_PIX_FMT_RGB24: |
230 | iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK | |
231 | (2 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST), |
232 | &packer->control); |
233 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, |
234 | &sd_fmt_rgb); |
235 | break; |
236 | case V4L2_PIX_FMT_BGR32: |
237 | iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK | |
238 | M00235_CONTROL_BITMAP_ENDIAN_FORMAT_MSK | |
239 | (3 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST), |
240 | &packer->control); |
241 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, |
242 | &sd_fmt_rgb); |
243 | break; |
244 | } |
245 | } |
246 | |
247 | static void cobalt_dma_start_streaming(struct cobalt_stream *s) |
248 | { |
249 | struct cobalt *cobalt = s->cobalt; |
250 | int rx = s->video_channel; |
251 | struct m00460_evcnt_regmap __iomem *evcnt = |
252 | COBALT_CVI_EVCNT(cobalt, rx); |
253 | struct cobalt_buffer *cb; |
254 | unsigned long flags; |
255 | |
256 | spin_lock_irqsave(&s->irqlock, flags); |
257 | if (!s->is_output) { |
258 | iowrite32(M00460_CONTROL_BITMAP_CLEAR_MSK, &evcnt->control); |
259 | iowrite32(M00460_CONTROL_BITMAP_ENABLE_MSK, &evcnt->control); |
260 | } else { |
261 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
262 | COBALT_TX_BASE(cobalt); |
263 | u32 ctrl = ioread32(&vo->control); |
264 | |
265 | ctrl &= ~(M00514_CONTROL_BITMAP_EVCNT_ENABLE_MSK | |
266 | M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK); |
267 | iowrite32(ctrl | M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK, |
268 | &vo->control); |
269 | iowrite32(ctrl | M00514_CONTROL_BITMAP_EVCNT_ENABLE_MSK, |
270 | &vo->control); |
271 | } |
272 | cb = list_first_entry(&s->bufs, struct cobalt_buffer, list); |
273 | omni_sg_dma_start(s, desc: &s->dma_desc_info[cb->vb.vb2_buf.index]); |
274 | spin_unlock_irqrestore(lock: &s->irqlock, flags); |
275 | } |
276 | |
277 | static int cobalt_start_streaming(struct vb2_queue *q, unsigned int count) |
278 | { |
279 | struct cobalt_stream *s = q->drv_priv; |
280 | struct cobalt *cobalt = s->cobalt; |
281 | struct m00233_video_measure_regmap __iomem *vmr; |
282 | struct m00473_freewheel_regmap __iomem *fw; |
283 | struct m00479_clk_loss_detector_regmap __iomem *clkloss; |
284 | int rx = s->video_channel; |
285 | struct m00389_cvi_regmap __iomem *cvi = COBALT_CVI(cobalt, rx); |
286 | struct m00460_evcnt_regmap __iomem *evcnt = COBALT_CVI_EVCNT(cobalt, rx); |
287 | struct v4l2_bt_timings *bt = &s->timings.bt; |
288 | u64 tot_size; |
289 | u32 clk_freq; |
290 | |
291 | if (s->is_audio) |
292 | goto done; |
293 | if (s->is_output) { |
294 | s->unstable_frame = false; |
295 | cobalt_enable_output(s); |
296 | goto done; |
297 | } |
298 | |
299 | cobalt_enable_input(s); |
300 | |
301 | fw = COBALT_CVI_FREEWHEEL(cobalt, rx); |
302 | vmr = COBALT_CVI_VMR(cobalt, rx); |
303 | clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx); |
304 | |
305 | iowrite32(M00460_CONTROL_BITMAP_CLEAR_MSK, &evcnt->control); |
306 | iowrite32(M00460_CONTROL_BITMAP_ENABLE_MSK, &evcnt->control); |
307 | iowrite32(bt->width, &cvi->frame_width); |
308 | iowrite32(bt->height, &cvi->frame_height); |
309 | tot_size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt); |
310 | iowrite32(div_u64(dividend: (u64)V4L2_DV_BT_FRAME_WIDTH(bt) * COBALT_CLK * 4, |
311 | divisor: bt->pixelclock), &vmr->hsync_timeout_val); |
312 | iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control); |
313 | clk_freq = ioread32(&fw->clk_freq); |
314 | iowrite32(clk_freq / 1000000, &clkloss->ref_clk_cnt_val); |
315 | /* The lower bound for the clock frequency is 0.5% lower as is |
316 | * allowed by the spec */ |
317 | iowrite32(div_u64(dividend: bt->pixelclock * 995, divisor: 1000000000), |
318 | &clkloss->test_clk_cnt_val); |
319 | /* will be enabled after the first frame has been received */ |
320 | iowrite32(bt->width * bt->height, &fw->active_length); |
321 | iowrite32(div_u64(dividend: (u64)clk_freq * tot_size, divisor: bt->pixelclock), |
322 | &fw->total_length); |
323 | iowrite32(M00233_IRQ_TRIGGERS_BITMAP_VACTIVE_AREA_MSK | |
324 | M00233_IRQ_TRIGGERS_BITMAP_HACTIVE_AREA_MSK, |
325 | &vmr->irq_triggers); |
326 | iowrite32(0, &cvi->control); |
327 | iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control); |
328 | |
329 | iowrite32(0xff, &fw->output_color); |
330 | iowrite32(M00479_CTRL_BITMAP_ENABLE_MSK, &clkloss->ctrl); |
331 | iowrite32(M00473_CTRL_BITMAP_ENABLE_MSK | |
332 | M00473_CTRL_BITMAP_FORCE_FREEWHEEL_MODE_MSK, &fw->ctrl); |
333 | s->unstable_frame = true; |
334 | s->enable_freewheel = false; |
335 | s->enable_cvi = false; |
336 | s->skip_first_frames = 0; |
337 | |
338 | done: |
339 | s->sequence = 0; |
340 | cobalt_dma_start_streaming(s); |
341 | return 0; |
342 | } |
343 | |
344 | static void cobalt_dma_stop_streaming(struct cobalt_stream *s) |
345 | { |
346 | struct cobalt *cobalt = s->cobalt; |
347 | struct sg_dma_desc_info *desc; |
348 | struct cobalt_buffer *cb; |
349 | unsigned long flags; |
350 | int timeout_msec = 100; |
351 | int rx = s->video_channel; |
352 | struct m00460_evcnt_regmap __iomem *evcnt = |
353 | COBALT_CVI_EVCNT(cobalt, rx); |
354 | |
355 | if (!s->is_output) { |
356 | iowrite32(0, &evcnt->control); |
357 | } else if (!s->is_audio) { |
358 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
359 | COBALT_TX_BASE(cobalt); |
360 | |
361 | iowrite32(M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK, &vo->control); |
362 | iowrite32(0, &vo->control); |
363 | } |
364 | |
365 | /* Try to stop the DMA engine gracefully */ |
366 | spin_lock_irqsave(&s->irqlock, flags); |
367 | list_for_each_entry(cb, &s->bufs, list) { |
368 | desc = &s->dma_desc_info[cb->vb.vb2_buf.index]; |
369 | /* Stop DMA after this descriptor chain */ |
370 | descriptor_list_end_of_chain(desc); |
371 | } |
372 | spin_unlock_irqrestore(lock: &s->irqlock, flags); |
373 | |
374 | /* Wait 100 millisecond for DMA to finish, abort on timeout. */ |
375 | if (!wait_event_timeout(s->q.done_wq, is_dma_done(s), |
376 | msecs_to_jiffies(timeout_msec))) { |
377 | omni_sg_dma_abort_channel(s); |
378 | pr_warn("aborted\n" ); |
379 | } |
380 | cobalt_write_bar0(cobalt, DMA_INTERRUPT_STATUS_REG, |
381 | val: 1 << s->dma_channel); |
382 | } |
383 | |
384 | static void cobalt_stop_streaming(struct vb2_queue *q) |
385 | { |
386 | struct cobalt_stream *s = q->drv_priv; |
387 | struct cobalt *cobalt = s->cobalt; |
388 | int rx = s->video_channel; |
389 | struct m00233_video_measure_regmap __iomem *vmr; |
390 | struct m00473_freewheel_regmap __iomem *fw; |
391 | struct m00479_clk_loss_detector_regmap __iomem *clkloss; |
392 | struct cobalt_buffer *cb; |
393 | struct list_head *p, *safe; |
394 | unsigned long flags; |
395 | |
396 | cobalt_dma_stop_streaming(s); |
397 | |
398 | /* Return all buffers to user space */ |
399 | spin_lock_irqsave(&s->irqlock, flags); |
400 | list_for_each_safe(p, safe, &s->bufs) { |
401 | cb = list_entry(p, struct cobalt_buffer, list); |
402 | list_del(entry: &cb->list); |
403 | vb2_buffer_done(vb: &cb->vb.vb2_buf, state: VB2_BUF_STATE_ERROR); |
404 | } |
405 | spin_unlock_irqrestore(lock: &s->irqlock, flags); |
406 | |
407 | if (s->is_audio || s->is_output) |
408 | return; |
409 | |
410 | fw = COBALT_CVI_FREEWHEEL(cobalt, rx); |
411 | vmr = COBALT_CVI_VMR(cobalt, rx); |
412 | clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx); |
413 | iowrite32(0, &vmr->control); |
414 | iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control); |
415 | iowrite32(0, &fw->ctrl); |
416 | iowrite32(0, &clkloss->ctrl); |
417 | } |
418 | |
419 | static const struct vb2_ops cobalt_qops = { |
420 | .queue_setup = cobalt_queue_setup, |
421 | .buf_init = cobalt_buf_init, |
422 | .buf_cleanup = cobalt_buf_cleanup, |
423 | .buf_prepare = cobalt_buf_prepare, |
424 | .buf_queue = cobalt_buf_queue, |
425 | .start_streaming = cobalt_start_streaming, |
426 | .stop_streaming = cobalt_stop_streaming, |
427 | .wait_prepare = vb2_ops_wait_prepare, |
428 | .wait_finish = vb2_ops_wait_finish, |
429 | }; |
430 | |
431 | /* V4L2 ioctls */ |
432 | |
433 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
434 | static int cobalt_cobaltc(struct cobalt *cobalt, unsigned int cmd, void *arg) |
435 | { |
436 | struct v4l2_dbg_register *regs = arg; |
437 | void __iomem *adrs = cobalt->bar1 + regs->reg; |
438 | |
439 | cobalt_info("cobalt_cobaltc: adrs = %p\n" , adrs); |
440 | |
441 | if (!capable(CAP_SYS_ADMIN)) |
442 | return -EPERM; |
443 | |
444 | regs->size = 4; |
445 | if (cmd == VIDIOC_DBG_S_REGISTER) |
446 | iowrite32(regs->val, adrs); |
447 | else |
448 | regs->val = ioread32(adrs); |
449 | return 0; |
450 | } |
451 | |
452 | static int cobalt_g_register(struct file *file, void *priv_fh, |
453 | struct v4l2_dbg_register *reg) |
454 | { |
455 | struct cobalt_stream *s = video_drvdata(file); |
456 | struct cobalt *cobalt = s->cobalt; |
457 | |
458 | return cobalt_cobaltc(cobalt, VIDIOC_DBG_G_REGISTER, arg: reg); |
459 | } |
460 | |
461 | static int cobalt_s_register(struct file *file, void *priv_fh, |
462 | const struct v4l2_dbg_register *reg) |
463 | { |
464 | struct cobalt_stream *s = video_drvdata(file); |
465 | struct cobalt *cobalt = s->cobalt; |
466 | |
467 | return cobalt_cobaltc(cobalt, VIDIOC_DBG_S_REGISTER, |
468 | arg: (struct v4l2_dbg_register *)reg); |
469 | } |
470 | #endif |
471 | |
472 | static int cobalt_querycap(struct file *file, void *priv_fh, |
473 | struct v4l2_capability *vcap) |
474 | { |
475 | struct cobalt_stream *s = video_drvdata(file); |
476 | struct cobalt *cobalt = s->cobalt; |
477 | |
478 | strscpy(vcap->driver, "cobalt" , sizeof(vcap->driver)); |
479 | strscpy(vcap->card, "cobalt" , sizeof(vcap->card)); |
480 | snprintf(buf: vcap->bus_info, size: sizeof(vcap->bus_info), |
481 | fmt: "PCIe:%s" , pci_name(pdev: cobalt->pci_dev)); |
482 | vcap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE | |
483 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; |
484 | if (cobalt->have_hsma_tx) |
485 | vcap->capabilities |= V4L2_CAP_VIDEO_OUTPUT; |
486 | return 0; |
487 | } |
488 | |
489 | static void cobalt_video_input_status_show(struct cobalt_stream *s) |
490 | { |
491 | struct m00389_cvi_regmap __iomem *cvi; |
492 | struct m00233_video_measure_regmap __iomem *vmr; |
493 | struct m00473_freewheel_regmap __iomem *fw; |
494 | struct m00479_clk_loss_detector_regmap __iomem *clkloss; |
495 | struct m00235_fdma_packer_regmap __iomem *packer; |
496 | int rx = s->video_channel; |
497 | struct cobalt *cobalt = s->cobalt; |
498 | u32 cvi_ctrl, cvi_stat; |
499 | u32 vmr_ctrl, vmr_stat; |
500 | |
501 | cvi = COBALT_CVI(cobalt, rx); |
502 | vmr = COBALT_CVI_VMR(cobalt, rx); |
503 | fw = COBALT_CVI_FREEWHEEL(cobalt, rx); |
504 | clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx); |
505 | packer = COBALT_CVI_PACKER(cobalt, rx); |
506 | cvi_ctrl = ioread32(&cvi->control); |
507 | cvi_stat = ioread32(&cvi->status); |
508 | vmr_ctrl = ioread32(&vmr->control); |
509 | vmr_stat = ioread32(&vmr->status); |
510 | cobalt_info("rx%d: cvi resolution: %dx%d\n" , rx, |
511 | ioread32(&cvi->frame_width), ioread32(&cvi->frame_height)); |
512 | cobalt_info("rx%d: cvi control: %s%s%s\n" , rx, |
513 | (cvi_ctrl & M00389_CONTROL_BITMAP_ENABLE_MSK) ? |
514 | "enable " : "disable " , |
515 | (cvi_ctrl & M00389_CONTROL_BITMAP_HSYNC_POLARITY_LOW_MSK) ? |
516 | "HSync- " : "HSync+ " , |
517 | (cvi_ctrl & M00389_CONTROL_BITMAP_VSYNC_POLARITY_LOW_MSK) ? |
518 | "VSync- " : "VSync+ " ); |
519 | cobalt_info("rx%d: cvi status: %s%s\n" , rx, |
520 | (cvi_stat & M00389_STATUS_BITMAP_LOCK_MSK) ? |
521 | "lock " : "no-lock " , |
522 | (cvi_stat & M00389_STATUS_BITMAP_ERROR_MSK) ? |
523 | "error " : "no-error " ); |
524 | |
525 | cobalt_info("rx%d: Measurements: %s%s%s%s%s%s%s\n" , rx, |
526 | (vmr_ctrl & M00233_CONTROL_BITMAP_HSYNC_POLARITY_LOW_MSK) ? |
527 | "HSync- " : "HSync+ " , |
528 | (vmr_ctrl & M00233_CONTROL_BITMAP_VSYNC_POLARITY_LOW_MSK) ? |
529 | "VSync- " : "VSync+ " , |
530 | (vmr_ctrl & M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK) ? |
531 | "enabled " : "disabled " , |
532 | (vmr_ctrl & M00233_CONTROL_BITMAP_ENABLE_INTERRUPT_MSK) ? |
533 | "irq-enabled " : "irq-disabled " , |
534 | (vmr_ctrl & M00233_CONTROL_BITMAP_UPDATE_ON_HSYNC_MSK) ? |
535 | "update-on-hsync " : "" , |
536 | (vmr_stat & M00233_STATUS_BITMAP_HSYNC_TIMEOUT_MSK) ? |
537 | "hsync-timeout " : "" , |
538 | (vmr_stat & M00233_STATUS_BITMAP_INIT_DONE_MSK) ? |
539 | "init-done" : "" ); |
540 | cobalt_info("rx%d: irq_status: 0x%02x irq_triggers: 0x%02x\n" , rx, |
541 | ioread32(&vmr->irq_status) & 0xff, |
542 | ioread32(&vmr->irq_triggers) & 0xff); |
543 | cobalt_info("rx%d: vsync: %d\n" , rx, ioread32(&vmr->vsync_time)); |
544 | cobalt_info("rx%d: vbp: %d\n" , rx, ioread32(&vmr->vback_porch)); |
545 | cobalt_info("rx%d: vact: %d\n" , rx, ioread32(&vmr->vactive_area)); |
546 | cobalt_info("rx%d: vfb: %d\n" , rx, ioread32(&vmr->vfront_porch)); |
547 | cobalt_info("rx%d: hsync: %d\n" , rx, ioread32(&vmr->hsync_time)); |
548 | cobalt_info("rx%d: hbp: %d\n" , rx, ioread32(&vmr->hback_porch)); |
549 | cobalt_info("rx%d: hact: %d\n" , rx, ioread32(&vmr->hactive_area)); |
550 | cobalt_info("rx%d: hfb: %d\n" , rx, ioread32(&vmr->hfront_porch)); |
551 | cobalt_info("rx%d: Freewheeling: %s%s%s\n" , rx, |
552 | (ioread32(&fw->ctrl) & M00473_CTRL_BITMAP_ENABLE_MSK) ? |
553 | "enabled " : "disabled " , |
554 | (ioread32(&fw->ctrl) & M00473_CTRL_BITMAP_FORCE_FREEWHEEL_MODE_MSK) ? |
555 | "forced " : "" , |
556 | (ioread32(&fw->status) & M00473_STATUS_BITMAP_FREEWHEEL_MODE_MSK) ? |
557 | "freewheeling " : "video-passthrough " ); |
558 | iowrite32(0xff, &vmr->irq_status); |
559 | cobalt_info("rx%d: Clock Loss Detection: %s%s\n" , rx, |
560 | (ioread32(&clkloss->ctrl) & M00479_CTRL_BITMAP_ENABLE_MSK) ? |
561 | "enabled " : "disabled " , |
562 | (ioread32(&clkloss->status) & M00479_STATUS_BITMAP_CLOCK_MISSING_MSK) ? |
563 | "clock-missing " : "found-clock " ); |
564 | cobalt_info("rx%d: Packer: %x\n" , rx, ioread32(&packer->control)); |
565 | } |
566 | |
567 | static int cobalt_log_status(struct file *file, void *priv_fh) |
568 | { |
569 | struct cobalt_stream *s = video_drvdata(file); |
570 | struct cobalt *cobalt = s->cobalt; |
571 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
572 | COBALT_TX_BASE(cobalt); |
573 | u8 stat; |
574 | |
575 | cobalt_info("%s" , cobalt->hdl_info); |
576 | cobalt_info("sysctrl: %08x, sysstat: %08x\n" , |
577 | cobalt_g_sysctrl(cobalt), |
578 | cobalt_g_sysstat(cobalt)); |
579 | cobalt_info("dma channel: %d, video channel: %d\n" , |
580 | s->dma_channel, s->video_channel); |
581 | cobalt_pcie_status_show(cobalt); |
582 | cobalt_cpld_status(cobalt); |
583 | cobalt_irq_log_status(cobalt); |
584 | v4l2_subdev_call(s->sd, core, log_status); |
585 | if (!s->is_output) { |
586 | cobalt_video_input_status_show(s); |
587 | return 0; |
588 | } |
589 | |
590 | stat = ioread32(&vo->rd_status); |
591 | |
592 | cobalt_info("tx: status: %s%s\n" , |
593 | (stat & M00514_RD_STATUS_BITMAP_FLOW_CTRL_NO_DATA_ERROR_MSK) ? |
594 | "no_data " : "" , |
595 | (stat & M00514_RD_STATUS_BITMAP_READY_BUFFER_FULL_MSK) ? |
596 | "ready_buffer_full " : "" ); |
597 | cobalt_info("tx: evcnt: %d\n" , ioread32(&vo->rd_evcnt_count)); |
598 | return 0; |
599 | } |
600 | |
601 | static int cobalt_enum_dv_timings(struct file *file, void *priv_fh, |
602 | struct v4l2_enum_dv_timings *timings) |
603 | { |
604 | struct cobalt_stream *s = video_drvdata(file); |
605 | |
606 | if (s->input == 1) { |
607 | if (timings->index) |
608 | return -EINVAL; |
609 | memset(timings->reserved, 0, sizeof(timings->reserved)); |
610 | timings->timings = cea1080p60; |
611 | return 0; |
612 | } |
613 | timings->pad = 0; |
614 | return v4l2_subdev_call(s->sd, |
615 | pad, enum_dv_timings, timings); |
616 | } |
617 | |
618 | static int cobalt_s_dv_timings(struct file *file, void *priv_fh, |
619 | struct v4l2_dv_timings *timings) |
620 | { |
621 | struct cobalt_stream *s = video_drvdata(file); |
622 | int err; |
623 | |
624 | if (s->input == 1) { |
625 | *timings = cea1080p60; |
626 | return 0; |
627 | } |
628 | |
629 | if (v4l2_match_dv_timings(measured: timings, standard: &s->timings, pclock_delta: 0, match_reduced_fps: true)) |
630 | return 0; |
631 | |
632 | if (vb2_is_busy(q: &s->q)) |
633 | return -EBUSY; |
634 | |
635 | err = v4l2_subdev_call(s->sd, |
636 | video, s_dv_timings, timings); |
637 | if (!err) { |
638 | s->timings = *timings; |
639 | s->width = timings->bt.width; |
640 | s->height = timings->bt.height; |
641 | s->stride = timings->bt.width * s->bpp; |
642 | } |
643 | return err; |
644 | } |
645 | |
646 | static int cobalt_g_dv_timings(struct file *file, void *priv_fh, |
647 | struct v4l2_dv_timings *timings) |
648 | { |
649 | struct cobalt_stream *s = video_drvdata(file); |
650 | |
651 | if (s->input == 1) { |
652 | *timings = cea1080p60; |
653 | return 0; |
654 | } |
655 | return v4l2_subdev_call(s->sd, |
656 | video, g_dv_timings, timings); |
657 | } |
658 | |
659 | static int cobalt_query_dv_timings(struct file *file, void *priv_fh, |
660 | struct v4l2_dv_timings *timings) |
661 | { |
662 | struct cobalt_stream *s = video_drvdata(file); |
663 | |
664 | if (s->input == 1) { |
665 | *timings = cea1080p60; |
666 | return 0; |
667 | } |
668 | return v4l2_subdev_call(s->sd, |
669 | video, query_dv_timings, timings); |
670 | } |
671 | |
672 | static int cobalt_dv_timings_cap(struct file *file, void *priv_fh, |
673 | struct v4l2_dv_timings_cap *cap) |
674 | { |
675 | struct cobalt_stream *s = video_drvdata(file); |
676 | |
677 | cap->pad = 0; |
678 | return v4l2_subdev_call(s->sd, |
679 | pad, dv_timings_cap, cap); |
680 | } |
681 | |
682 | static int cobalt_enum_fmt_vid_cap(struct file *file, void *priv_fh, |
683 | struct v4l2_fmtdesc *f) |
684 | { |
685 | switch (f->index) { |
686 | case 0: |
687 | f->pixelformat = V4L2_PIX_FMT_YUYV; |
688 | break; |
689 | case 1: |
690 | f->pixelformat = V4L2_PIX_FMT_RGB24; |
691 | break; |
692 | case 2: |
693 | f->pixelformat = V4L2_PIX_FMT_BGR32; |
694 | break; |
695 | default: |
696 | return -EINVAL; |
697 | } |
698 | |
699 | return 0; |
700 | } |
701 | |
702 | static int cobalt_g_fmt_vid_cap(struct file *file, void *priv_fh, |
703 | struct v4l2_format *f) |
704 | { |
705 | struct cobalt_stream *s = video_drvdata(file); |
706 | struct v4l2_pix_format *pix = &f->fmt.pix; |
707 | |
708 | pix->width = s->width; |
709 | pix->height = s->height; |
710 | pix->bytesperline = s->stride; |
711 | pix->field = V4L2_FIELD_NONE; |
712 | |
713 | if (s->input == 1) { |
714 | pix->colorspace = V4L2_COLORSPACE_SRGB; |
715 | } else { |
716 | struct v4l2_subdev_format sd_fmt = { |
717 | .pad = s->pad_source, |
718 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, |
719 | }; |
720 | |
721 | v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt); |
722 | v4l2_fill_pix_format(pix_fmt: pix, mbus_fmt: &sd_fmt.format); |
723 | } |
724 | |
725 | pix->pixelformat = s->pixfmt; |
726 | pix->sizeimage = pix->bytesperline * pix->height; |
727 | |
728 | return 0; |
729 | } |
730 | |
731 | static int cobalt_try_fmt_vid_cap(struct file *file, void *priv_fh, |
732 | struct v4l2_format *f) |
733 | { |
734 | struct cobalt_stream *s = video_drvdata(file); |
735 | struct v4l2_pix_format *pix = &f->fmt.pix; |
736 | |
737 | /* Check for min (QCIF) and max (Full HD) size */ |
738 | if ((pix->width < 176) || (pix->height < 144)) { |
739 | pix->width = 176; |
740 | pix->height = 144; |
741 | } |
742 | |
743 | if ((pix->width > 1920) || (pix->height > 1080)) { |
744 | pix->width = 1920; |
745 | pix->height = 1080; |
746 | } |
747 | |
748 | /* Make width multiple of 4 */ |
749 | pix->width &= ~0x3; |
750 | |
751 | /* Make height multiple of 2 */ |
752 | pix->height &= ~0x1; |
753 | |
754 | if (s->input == 1) { |
755 | /* Generator => fixed format only */ |
756 | pix->width = 1920; |
757 | pix->height = 1080; |
758 | pix->colorspace = V4L2_COLORSPACE_SRGB; |
759 | } else { |
760 | struct v4l2_subdev_format sd_fmt = { |
761 | .pad = s->pad_source, |
762 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, |
763 | }; |
764 | |
765 | v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt); |
766 | v4l2_fill_pix_format(pix_fmt: pix, mbus_fmt: &sd_fmt.format); |
767 | } |
768 | |
769 | switch (pix->pixelformat) { |
770 | case V4L2_PIX_FMT_YUYV: |
771 | default: |
772 | pix->bytesperline = max(pix->bytesperline & ~0x3, |
773 | pix->width * COBALT_BYTES_PER_PIXEL_YUYV); |
774 | pix->pixelformat = V4L2_PIX_FMT_YUYV; |
775 | break; |
776 | case V4L2_PIX_FMT_RGB24: |
777 | pix->bytesperline = max(pix->bytesperline & ~0x3, |
778 | pix->width * COBALT_BYTES_PER_PIXEL_RGB24); |
779 | break; |
780 | case V4L2_PIX_FMT_BGR32: |
781 | pix->bytesperline = max(pix->bytesperline & ~0x3, |
782 | pix->width * COBALT_BYTES_PER_PIXEL_RGB32); |
783 | break; |
784 | } |
785 | |
786 | pix->sizeimage = pix->bytesperline * pix->height; |
787 | pix->field = V4L2_FIELD_NONE; |
788 | |
789 | return 0; |
790 | } |
791 | |
792 | static int cobalt_s_fmt_vid_cap(struct file *file, void *priv_fh, |
793 | struct v4l2_format *f) |
794 | { |
795 | struct cobalt_stream *s = video_drvdata(file); |
796 | struct v4l2_pix_format *pix = &f->fmt.pix; |
797 | |
798 | if (vb2_is_busy(q: &s->q)) |
799 | return -EBUSY; |
800 | |
801 | if (cobalt_try_fmt_vid_cap(file, priv_fh, f)) |
802 | return -EINVAL; |
803 | |
804 | s->width = pix->width; |
805 | s->height = pix->height; |
806 | s->stride = pix->bytesperline; |
807 | switch (pix->pixelformat) { |
808 | case V4L2_PIX_FMT_YUYV: |
809 | s->bpp = COBALT_BYTES_PER_PIXEL_YUYV; |
810 | break; |
811 | case V4L2_PIX_FMT_RGB24: |
812 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB24; |
813 | break; |
814 | case V4L2_PIX_FMT_BGR32: |
815 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB32; |
816 | break; |
817 | default: |
818 | return -EINVAL; |
819 | } |
820 | s->pixfmt = pix->pixelformat; |
821 | cobalt_enable_input(s); |
822 | |
823 | return 0; |
824 | } |
825 | |
826 | static int cobalt_try_fmt_vid_out(struct file *file, void *priv_fh, |
827 | struct v4l2_format *f) |
828 | { |
829 | struct v4l2_pix_format *pix = &f->fmt.pix; |
830 | |
831 | /* Check for min (QCIF) and max (Full HD) size */ |
832 | if ((pix->width < 176) || (pix->height < 144)) { |
833 | pix->width = 176; |
834 | pix->height = 144; |
835 | } |
836 | |
837 | if ((pix->width > 1920) || (pix->height > 1080)) { |
838 | pix->width = 1920; |
839 | pix->height = 1080; |
840 | } |
841 | |
842 | /* Make width multiple of 4 */ |
843 | pix->width &= ~0x3; |
844 | |
845 | /* Make height multiple of 2 */ |
846 | pix->height &= ~0x1; |
847 | |
848 | switch (pix->pixelformat) { |
849 | case V4L2_PIX_FMT_YUYV: |
850 | default: |
851 | pix->bytesperline = max(pix->bytesperline & ~0x3, |
852 | pix->width * COBALT_BYTES_PER_PIXEL_YUYV); |
853 | pix->pixelformat = V4L2_PIX_FMT_YUYV; |
854 | break; |
855 | case V4L2_PIX_FMT_BGR32: |
856 | pix->bytesperline = max(pix->bytesperline & ~0x3, |
857 | pix->width * COBALT_BYTES_PER_PIXEL_RGB32); |
858 | break; |
859 | } |
860 | |
861 | pix->sizeimage = pix->bytesperline * pix->height; |
862 | pix->field = V4L2_FIELD_NONE; |
863 | |
864 | return 0; |
865 | } |
866 | |
867 | static int cobalt_g_fmt_vid_out(struct file *file, void *priv_fh, |
868 | struct v4l2_format *f) |
869 | { |
870 | struct cobalt_stream *s = video_drvdata(file); |
871 | struct v4l2_pix_format *pix = &f->fmt.pix; |
872 | |
873 | pix->width = s->width; |
874 | pix->height = s->height; |
875 | pix->bytesperline = s->stride; |
876 | pix->field = V4L2_FIELD_NONE; |
877 | pix->pixelformat = s->pixfmt; |
878 | pix->colorspace = s->colorspace; |
879 | pix->xfer_func = s->xfer_func; |
880 | pix->ycbcr_enc = s->ycbcr_enc; |
881 | pix->quantization = s->quantization; |
882 | pix->sizeimage = pix->bytesperline * pix->height; |
883 | |
884 | return 0; |
885 | } |
886 | |
887 | static int cobalt_enum_fmt_vid_out(struct file *file, void *priv_fh, |
888 | struct v4l2_fmtdesc *f) |
889 | { |
890 | switch (f->index) { |
891 | case 0: |
892 | f->pixelformat = V4L2_PIX_FMT_YUYV; |
893 | break; |
894 | case 1: |
895 | f->pixelformat = V4L2_PIX_FMT_BGR32; |
896 | break; |
897 | default: |
898 | return -EINVAL; |
899 | } |
900 | |
901 | return 0; |
902 | } |
903 | |
904 | static int cobalt_s_fmt_vid_out(struct file *file, void *priv_fh, |
905 | struct v4l2_format *f) |
906 | { |
907 | struct cobalt_stream *s = video_drvdata(file); |
908 | struct v4l2_pix_format *pix = &f->fmt.pix; |
909 | struct v4l2_subdev_format sd_fmt = { |
910 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, |
911 | }; |
912 | u32 code; |
913 | |
914 | if (cobalt_try_fmt_vid_out(file, priv_fh, f)) |
915 | return -EINVAL; |
916 | |
917 | if (vb2_is_busy(q: &s->q) && (pix->pixelformat != s->pixfmt || |
918 | pix->width != s->width || pix->height != s->height || |
919 | pix->bytesperline != s->stride)) |
920 | return -EBUSY; |
921 | |
922 | switch (pix->pixelformat) { |
923 | case V4L2_PIX_FMT_YUYV: |
924 | s->bpp = COBALT_BYTES_PER_PIXEL_YUYV; |
925 | code = MEDIA_BUS_FMT_UYVY8_1X16; |
926 | break; |
927 | case V4L2_PIX_FMT_BGR32: |
928 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB32; |
929 | code = MEDIA_BUS_FMT_RGB888_1X24; |
930 | break; |
931 | default: |
932 | return -EINVAL; |
933 | } |
934 | s->width = pix->width; |
935 | s->height = pix->height; |
936 | s->stride = pix->bytesperline; |
937 | s->pixfmt = pix->pixelformat; |
938 | s->colorspace = pix->colorspace; |
939 | s->xfer_func = pix->xfer_func; |
940 | s->ycbcr_enc = pix->ycbcr_enc; |
941 | s->quantization = pix->quantization; |
942 | v4l2_fill_mbus_format(mbus_fmt: &sd_fmt.format, pix_fmt: pix, code); |
943 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, &sd_fmt); |
944 | return 0; |
945 | } |
946 | |
947 | static int cobalt_enum_input(struct file *file, void *priv_fh, |
948 | struct v4l2_input *inp) |
949 | { |
950 | struct cobalt_stream *s = video_drvdata(file); |
951 | |
952 | if (inp->index > 1) |
953 | return -EINVAL; |
954 | if (inp->index == 0) |
955 | snprintf(buf: inp->name, size: sizeof(inp->name), |
956 | fmt: "HDMI-%d" , s->video_channel); |
957 | else |
958 | snprintf(buf: inp->name, size: sizeof(inp->name), |
959 | fmt: "Generator-%d" , s->video_channel); |
960 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
961 | inp->capabilities = V4L2_IN_CAP_DV_TIMINGS; |
962 | if (inp->index == 1) |
963 | return 0; |
964 | return v4l2_subdev_call(s->sd, |
965 | video, g_input_status, &inp->status); |
966 | } |
967 | |
968 | static int cobalt_g_input(struct file *file, void *priv_fh, unsigned int *i) |
969 | { |
970 | struct cobalt_stream *s = video_drvdata(file); |
971 | |
972 | *i = s->input; |
973 | return 0; |
974 | } |
975 | |
976 | static int cobalt_s_input(struct file *file, void *priv_fh, unsigned int i) |
977 | { |
978 | struct cobalt_stream *s = video_drvdata(file); |
979 | |
980 | if (i >= 2) |
981 | return -EINVAL; |
982 | if (vb2_is_busy(q: &s->q)) |
983 | return -EBUSY; |
984 | s->input = i; |
985 | |
986 | cobalt_enable_input(s); |
987 | |
988 | if (s->input == 1) /* Test Pattern Generator */ |
989 | return 0; |
990 | |
991 | return v4l2_subdev_call(s->sd, video, s_routing, |
992 | ADV76XX_PAD_HDMI_PORT_A, 0, 0); |
993 | } |
994 | |
995 | static int cobalt_enum_output(struct file *file, void *priv_fh, |
996 | struct v4l2_output *out) |
997 | { |
998 | if (out->index) |
999 | return -EINVAL; |
1000 | snprintf(buf: out->name, size: sizeof(out->name), fmt: "HDMI-%d" , out->index); |
1001 | out->type = V4L2_OUTPUT_TYPE_ANALOG; |
1002 | out->capabilities = V4L2_OUT_CAP_DV_TIMINGS; |
1003 | return 0; |
1004 | } |
1005 | |
1006 | static int cobalt_g_output(struct file *file, void *priv_fh, unsigned int *i) |
1007 | { |
1008 | *i = 0; |
1009 | return 0; |
1010 | } |
1011 | |
1012 | static int cobalt_s_output(struct file *file, void *priv_fh, unsigned int i) |
1013 | { |
1014 | return i ? -EINVAL : 0; |
1015 | } |
1016 | |
1017 | static int cobalt_g_edid(struct file *file, void *fh, struct v4l2_edid *edid) |
1018 | { |
1019 | struct cobalt_stream *s = video_drvdata(file); |
1020 | u32 pad = edid->pad; |
1021 | int ret; |
1022 | |
1023 | if (edid->pad >= (s->is_output ? 1 : 2)) |
1024 | return -EINVAL; |
1025 | edid->pad = 0; |
1026 | ret = v4l2_subdev_call(s->sd, pad, get_edid, edid); |
1027 | edid->pad = pad; |
1028 | return ret; |
1029 | } |
1030 | |
1031 | static int cobalt_s_edid(struct file *file, void *fh, struct v4l2_edid *edid) |
1032 | { |
1033 | struct cobalt_stream *s = video_drvdata(file); |
1034 | u32 pad = edid->pad; |
1035 | int ret; |
1036 | |
1037 | if (edid->pad >= 2) |
1038 | return -EINVAL; |
1039 | edid->pad = 0; |
1040 | ret = v4l2_subdev_call(s->sd, pad, set_edid, edid); |
1041 | edid->pad = pad; |
1042 | return ret; |
1043 | } |
1044 | |
1045 | static int cobalt_subscribe_event(struct v4l2_fh *fh, |
1046 | const struct v4l2_event_subscription *sub) |
1047 | { |
1048 | switch (sub->type) { |
1049 | case V4L2_EVENT_SOURCE_CHANGE: |
1050 | return v4l2_event_subscribe(fh, sub, elems: 4, NULL); |
1051 | } |
1052 | return v4l2_ctrl_subscribe_event(fh, sub); |
1053 | } |
1054 | |
1055 | static int cobalt_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) |
1056 | { |
1057 | struct cobalt_stream *s = video_drvdata(file); |
1058 | struct v4l2_fract fps; |
1059 | |
1060 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1061 | return -EINVAL; |
1062 | |
1063 | fps = v4l2_calc_timeperframe(t: &s->timings); |
1064 | a->parm.capture.timeperframe.numerator = fps.numerator; |
1065 | a->parm.capture.timeperframe.denominator = fps.denominator; |
1066 | a->parm.capture.readbuffers = 3; |
1067 | return 0; |
1068 | } |
1069 | |
1070 | static int cobalt_g_pixelaspect(struct file *file, void *fh, |
1071 | int type, struct v4l2_fract *f) |
1072 | { |
1073 | struct cobalt_stream *s = video_drvdata(file); |
1074 | struct v4l2_dv_timings timings; |
1075 | int err = 0; |
1076 | |
1077 | if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1078 | return -EINVAL; |
1079 | |
1080 | if (s->input == 1) |
1081 | timings = cea1080p60; |
1082 | else |
1083 | err = v4l2_subdev_call(s->sd, video, g_dv_timings, &timings); |
1084 | if (!err) |
1085 | *f = v4l2_dv_timings_aspect_ratio(t: &timings); |
1086 | return err; |
1087 | } |
1088 | |
1089 | static int cobalt_g_selection(struct file *file, void *fh, |
1090 | struct v4l2_selection *sel) |
1091 | { |
1092 | struct cobalt_stream *s = video_drvdata(file); |
1093 | struct v4l2_dv_timings timings; |
1094 | int err = 0; |
1095 | |
1096 | if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1097 | return -EINVAL; |
1098 | |
1099 | if (s->input == 1) |
1100 | timings = cea1080p60; |
1101 | else |
1102 | err = v4l2_subdev_call(s->sd, video, g_dv_timings, &timings); |
1103 | |
1104 | if (err) |
1105 | return err; |
1106 | |
1107 | switch (sel->target) { |
1108 | case V4L2_SEL_TGT_CROP_BOUNDS: |
1109 | case V4L2_SEL_TGT_CROP_DEFAULT: |
1110 | sel->r.top = 0; |
1111 | sel->r.left = 0; |
1112 | sel->r.width = timings.bt.width; |
1113 | sel->r.height = timings.bt.height; |
1114 | break; |
1115 | default: |
1116 | return -EINVAL; |
1117 | } |
1118 | return 0; |
1119 | } |
1120 | |
1121 | static const struct v4l2_ioctl_ops cobalt_ioctl_ops = { |
1122 | .vidioc_querycap = cobalt_querycap, |
1123 | .vidioc_g_parm = cobalt_g_parm, |
1124 | .vidioc_log_status = cobalt_log_status, |
1125 | .vidioc_streamon = vb2_ioctl_streamon, |
1126 | .vidioc_streamoff = vb2_ioctl_streamoff, |
1127 | .vidioc_g_pixelaspect = cobalt_g_pixelaspect, |
1128 | .vidioc_g_selection = cobalt_g_selection, |
1129 | .vidioc_enum_input = cobalt_enum_input, |
1130 | .vidioc_g_input = cobalt_g_input, |
1131 | .vidioc_s_input = cobalt_s_input, |
1132 | .vidioc_enum_fmt_vid_cap = cobalt_enum_fmt_vid_cap, |
1133 | .vidioc_g_fmt_vid_cap = cobalt_g_fmt_vid_cap, |
1134 | .vidioc_s_fmt_vid_cap = cobalt_s_fmt_vid_cap, |
1135 | .vidioc_try_fmt_vid_cap = cobalt_try_fmt_vid_cap, |
1136 | .vidioc_enum_output = cobalt_enum_output, |
1137 | .vidioc_g_output = cobalt_g_output, |
1138 | .vidioc_s_output = cobalt_s_output, |
1139 | .vidioc_enum_fmt_vid_out = cobalt_enum_fmt_vid_out, |
1140 | .vidioc_g_fmt_vid_out = cobalt_g_fmt_vid_out, |
1141 | .vidioc_s_fmt_vid_out = cobalt_s_fmt_vid_out, |
1142 | .vidioc_try_fmt_vid_out = cobalt_try_fmt_vid_out, |
1143 | .vidioc_s_dv_timings = cobalt_s_dv_timings, |
1144 | .vidioc_g_dv_timings = cobalt_g_dv_timings, |
1145 | .vidioc_query_dv_timings = cobalt_query_dv_timings, |
1146 | .vidioc_enum_dv_timings = cobalt_enum_dv_timings, |
1147 | .vidioc_dv_timings_cap = cobalt_dv_timings_cap, |
1148 | .vidioc_g_edid = cobalt_g_edid, |
1149 | .vidioc_s_edid = cobalt_s_edid, |
1150 | .vidioc_subscribe_event = cobalt_subscribe_event, |
1151 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
1152 | .vidioc_reqbufs = vb2_ioctl_reqbufs, |
1153 | .vidioc_create_bufs = vb2_ioctl_create_bufs, |
1154 | .vidioc_querybuf = vb2_ioctl_querybuf, |
1155 | .vidioc_qbuf = vb2_ioctl_qbuf, |
1156 | .vidioc_dqbuf = vb2_ioctl_dqbuf, |
1157 | .vidioc_expbuf = vb2_ioctl_expbuf, |
1158 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1159 | .vidioc_g_register = cobalt_g_register, |
1160 | .vidioc_s_register = cobalt_s_register, |
1161 | #endif |
1162 | }; |
1163 | |
1164 | static const struct v4l2_ioctl_ops cobalt_ioctl_empty_ops = { |
1165 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1166 | .vidioc_g_register = cobalt_g_register, |
1167 | .vidioc_s_register = cobalt_s_register, |
1168 | #endif |
1169 | }; |
1170 | |
1171 | /* Register device nodes */ |
1172 | |
1173 | static const struct v4l2_file_operations cobalt_fops = { |
1174 | .owner = THIS_MODULE, |
1175 | .open = v4l2_fh_open, |
1176 | .unlocked_ioctl = video_ioctl2, |
1177 | .release = vb2_fop_release, |
1178 | .poll = vb2_fop_poll, |
1179 | .mmap = vb2_fop_mmap, |
1180 | .read = vb2_fop_read, |
1181 | }; |
1182 | |
1183 | static const struct v4l2_file_operations cobalt_out_fops = { |
1184 | .owner = THIS_MODULE, |
1185 | .open = v4l2_fh_open, |
1186 | .unlocked_ioctl = video_ioctl2, |
1187 | .release = vb2_fop_release, |
1188 | .poll = vb2_fop_poll, |
1189 | .mmap = vb2_fop_mmap, |
1190 | .write = vb2_fop_write, |
1191 | }; |
1192 | |
1193 | static const struct v4l2_file_operations cobalt_empty_fops = { |
1194 | .owner = THIS_MODULE, |
1195 | .open = v4l2_fh_open, |
1196 | .unlocked_ioctl = video_ioctl2, |
1197 | .release = v4l2_fh_release, |
1198 | }; |
1199 | |
1200 | static int cobalt_node_register(struct cobalt *cobalt, int node) |
1201 | { |
1202 | static const struct v4l2_dv_timings dv1080p60 = |
1203 | V4L2_DV_BT_CEA_1920X1080P60; |
1204 | struct cobalt_stream *s = cobalt->streams + node; |
1205 | struct video_device *vdev = &s->vdev; |
1206 | struct vb2_queue *q = &s->q; |
1207 | int ret; |
1208 | |
1209 | mutex_init(&s->lock); |
1210 | spin_lock_init(&s->irqlock); |
1211 | |
1212 | snprintf(buf: vdev->name, size: sizeof(vdev->name), |
1213 | fmt: "%s-%d" , cobalt->v4l2_dev.name, node); |
1214 | s->width = 1920; |
1215 | /* Audio frames are just 4 lines of 1920 bytes */ |
1216 | s->height = s->is_audio ? 4 : 1080; |
1217 | |
1218 | if (s->is_audio) { |
1219 | s->bpp = 1; |
1220 | s->pixfmt = V4L2_PIX_FMT_GREY; |
1221 | } else if (s->is_output) { |
1222 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB32; |
1223 | s->pixfmt = V4L2_PIX_FMT_BGR32; |
1224 | } else { |
1225 | s->bpp = COBALT_BYTES_PER_PIXEL_YUYV; |
1226 | s->pixfmt = V4L2_PIX_FMT_YUYV; |
1227 | } |
1228 | s->colorspace = V4L2_COLORSPACE_SRGB; |
1229 | s->stride = s->width * s->bpp; |
1230 | |
1231 | if (!s->is_audio) { |
1232 | if (s->is_dummy) |
1233 | cobalt_warn("Setting up dummy video node %d\n" , node); |
1234 | vdev->v4l2_dev = &cobalt->v4l2_dev; |
1235 | if (s->is_dummy) |
1236 | vdev->fops = &cobalt_empty_fops; |
1237 | else |
1238 | vdev->fops = s->is_output ? &cobalt_out_fops : |
1239 | &cobalt_fops; |
1240 | vdev->release = video_device_release_empty; |
1241 | vdev->vfl_dir = s->is_output ? VFL_DIR_TX : VFL_DIR_RX; |
1242 | vdev->lock = &s->lock; |
1243 | if (s->sd) |
1244 | vdev->ctrl_handler = s->sd->ctrl_handler; |
1245 | s->timings = dv1080p60; |
1246 | v4l2_subdev_call(s->sd, video, s_dv_timings, &s->timings); |
1247 | if (!s->is_output && s->sd) |
1248 | cobalt_enable_input(s); |
1249 | vdev->ioctl_ops = s->is_dummy ? &cobalt_ioctl_empty_ops : |
1250 | &cobalt_ioctl_ops; |
1251 | } |
1252 | |
1253 | INIT_LIST_HEAD(list: &s->bufs); |
1254 | q->type = s->is_output ? V4L2_BUF_TYPE_VIDEO_OUTPUT : |
1255 | V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1256 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; |
1257 | q->io_modes |= s->is_output ? VB2_WRITE : VB2_READ; |
1258 | q->drv_priv = s; |
1259 | q->buf_struct_size = sizeof(struct cobalt_buffer); |
1260 | q->ops = &cobalt_qops; |
1261 | q->mem_ops = &vb2_dma_sg_memops; |
1262 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
1263 | q->min_queued_buffers = 2; |
1264 | q->lock = &s->lock; |
1265 | q->dev = &cobalt->pci_dev->dev; |
1266 | vdev->queue = q; |
1267 | vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1268 | if (s->is_output) |
1269 | vdev->device_caps |= V4L2_CAP_VIDEO_OUTPUT; |
1270 | else |
1271 | vdev->device_caps |= V4L2_CAP_VIDEO_CAPTURE; |
1272 | |
1273 | video_set_drvdata(vdev, data: s); |
1274 | ret = vb2_queue_init(q); |
1275 | if (!s->is_audio && ret == 0) |
1276 | ret = video_register_device(vdev, type: VFL_TYPE_VIDEO, nr: -1); |
1277 | else if (!s->is_dummy) |
1278 | ret = cobalt_alsa_init(s); |
1279 | |
1280 | if (ret < 0) { |
1281 | if (!s->is_audio) |
1282 | cobalt_err("couldn't register v4l2 device node %d\n" , |
1283 | node); |
1284 | return ret; |
1285 | } |
1286 | cobalt_info("registered node %d\n" , node); |
1287 | return 0; |
1288 | } |
1289 | |
1290 | /* Initialize v4l2 variables and register v4l2 devices */ |
1291 | int cobalt_nodes_register(struct cobalt *cobalt) |
1292 | { |
1293 | int node, ret; |
1294 | |
1295 | /* Setup V4L2 Devices */ |
1296 | for (node = 0; node < COBALT_NUM_STREAMS; node++) { |
1297 | ret = cobalt_node_register(cobalt, node); |
1298 | if (ret) |
1299 | return ret; |
1300 | } |
1301 | return 0; |
1302 | } |
1303 | |
1304 | /* Unregister v4l2 devices */ |
1305 | void cobalt_nodes_unregister(struct cobalt *cobalt) |
1306 | { |
1307 | int node; |
1308 | |
1309 | /* Teardown all streams */ |
1310 | for (node = 0; node < COBALT_NUM_STREAMS; node++) { |
1311 | struct cobalt_stream *s = cobalt->streams + node; |
1312 | struct video_device *vdev = &s->vdev; |
1313 | |
1314 | if (!s->is_audio) |
1315 | video_unregister_device(vdev); |
1316 | else if (!s->is_dummy) |
1317 | cobalt_alsa_exit(s); |
1318 | } |
1319 | } |
1320 | |