Commit | Line | Data |
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85756a06 HV |
1 | /* |
2 | * cobalt V4L2 API | |
3 | * | |
4 | * Derived from ivtv-ioctl.c and cx18-fileops.c | |
5 | * | |
6 | * Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates. | |
7 | * All rights reserved. | |
8 | * | |
9 | * This program is free software; you may redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
14 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
15 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
16 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
17 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
18 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include <linux/dma-mapping.h> | |
24 | #include <linux/delay.h> | |
99cabb18 | 25 | #include <linux/math64.h> |
85756a06 HV |
26 | #include <linux/pci.h> |
27 | #include <linux/v4l2-dv-timings.h> | |
28 | ||
29 | #include <media/v4l2-ctrls.h> | |
30 | #include <media/v4l2-event.h> | |
810c168c | 31 | #include <media/v4l2-dv-timings.h> |
b5dcee22 MCC |
32 | #include <media/i2c/adv7604.h> |
33 | #include <media/i2c/adv7842.h> | |
85756a06 HV |
34 | |
35 | #include "cobalt-alsa.h" | |
36 | #include "cobalt-cpld.h" | |
37 | #include "cobalt-driver.h" | |
38 | #include "cobalt-v4l2.h" | |
39 | #include "cobalt-irq.h" | |
40 | #include "cobalt-omnitek.h" | |
41 | ||
42 | static const struct v4l2_dv_timings cea1080p60 = V4L2_DV_BT_CEA_1920X1080P60; | |
43 | ||
44 | /* vb2 DMA streaming ops */ | |
45 | ||
df9ecb0c | 46 | static int cobalt_queue_setup(struct vb2_queue *q, |
85756a06 | 47 | unsigned int *num_buffers, unsigned int *num_planes, |
36c0f8b3 | 48 | unsigned int sizes[], struct device *alloc_devs[]) |
85756a06 HV |
49 | { |
50 | struct cobalt_stream *s = q->drv_priv; | |
51 | unsigned size = s->stride * s->height; | |
52 | ||
53 | if (*num_buffers < 3) | |
54 | *num_buffers = 3; | |
55 | if (*num_buffers > NR_BUFS) | |
56 | *num_buffers = NR_BUFS; | |
df9ecb0c HV |
57 | if (*num_planes) |
58 | return sizes[0] < size ? -EINVAL : 0; | |
85756a06 | 59 | *num_planes = 1; |
85756a06 | 60 | sizes[0] = size; |
85756a06 HV |
61 | return 0; |
62 | } | |
63 | ||
64 | static int cobalt_buf_init(struct vb2_buffer *vb) | |
65 | { | |
66 | struct cobalt_stream *s = vb->vb2_queue->drv_priv; | |
67 | struct cobalt *cobalt = s->cobalt; | |
68 | const size_t max_pages_per_line = | |
69 | (COBALT_MAX_WIDTH * COBALT_MAX_BPP) / PAGE_SIZE + 2; | |
70 | const size_t bytes = | |
71 | COBALT_MAX_HEIGHT * max_pages_per_line * 0x20; | |
72 | const size_t audio_bytes = ((1920 * 4) / PAGE_SIZE + 1) * 0x20; | |
2d700715 | 73 | struct sg_dma_desc_info *desc = &s->dma_desc_info[vb->index]; |
85756a06 HV |
74 | struct sg_table *sg_desc = vb2_dma_sg_plane_desc(vb, 0); |
75 | unsigned size; | |
76 | int ret; | |
77 | ||
78 | size = s->stride * s->height; | |
79 | if (vb2_plane_size(vb, 0) < size) { | |
80 | cobalt_info("data will not fit into plane (%lu < %u)\n", | |
81 | vb2_plane_size(vb, 0), size); | |
82 | return -EINVAL; | |
83 | } | |
84 | ||
85 | if (desc->virt == NULL) { | |
86 | desc->dev = &cobalt->pci_dev->dev; | |
87 | descriptor_list_allocate(desc, | |
88 | s->is_audio ? audio_bytes : bytes); | |
89 | if (desc->virt == NULL) | |
90 | return -ENOMEM; | |
91 | } | |
92 | ret = descriptor_list_create(cobalt, sg_desc->sgl, | |
93 | !s->is_output, sg_desc->nents, size, | |
94 | s->width * s->bpp, s->stride, desc); | |
95 | if (ret) | |
96 | descriptor_list_free(desc); | |
97 | return ret; | |
98 | } | |
99 | ||
100 | static void cobalt_buf_cleanup(struct vb2_buffer *vb) | |
101 | { | |
102 | struct cobalt_stream *s = vb->vb2_queue->drv_priv; | |
2d700715 | 103 | struct sg_dma_desc_info *desc = &s->dma_desc_info[vb->index]; |
85756a06 HV |
104 | |
105 | descriptor_list_free(desc); | |
106 | } | |
107 | ||
108 | static int cobalt_buf_prepare(struct vb2_buffer *vb) | |
109 | { | |
2d700715 | 110 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
85756a06 HV |
111 | struct cobalt_stream *s = vb->vb2_queue->drv_priv; |
112 | ||
113 | vb2_set_plane_payload(vb, 0, s->stride * s->height); | |
2d700715 | 114 | vbuf->field = V4L2_FIELD_NONE; |
85756a06 HV |
115 | return 0; |
116 | } | |
117 | ||
118 | static void chain_all_buffers(struct cobalt_stream *s) | |
119 | { | |
120 | struct sg_dma_desc_info *desc[NR_BUFS]; | |
121 | struct cobalt_buffer *cb; | |
122 | struct list_head *p; | |
123 | int i = 0; | |
124 | ||
125 | list_for_each(p, &s->bufs) { | |
126 | cb = list_entry(p, struct cobalt_buffer, list); | |
2d700715 | 127 | desc[i] = &s->dma_desc_info[cb->vb.vb2_buf.index]; |
85756a06 HV |
128 | if (i > 0) |
129 | descriptor_list_chain(desc[i-1], desc[i]); | |
130 | i++; | |
131 | } | |
132 | } | |
133 | ||
134 | static void cobalt_buf_queue(struct vb2_buffer *vb) | |
135 | { | |
2d700715 | 136 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
85756a06 HV |
137 | struct vb2_queue *q = vb->vb2_queue; |
138 | struct cobalt_stream *s = q->drv_priv; | |
2d700715 JS |
139 | struct cobalt_buffer *cb = to_cobalt_buffer(vbuf); |
140 | struct sg_dma_desc_info *desc = &s->dma_desc_info[vb->index]; | |
85756a06 HV |
141 | unsigned long flags; |
142 | ||
143 | /* Prepare new buffer */ | |
144 | descriptor_list_loopback(desc); | |
145 | descriptor_list_interrupt_disable(desc); | |
146 | ||
147 | spin_lock_irqsave(&s->irqlock, flags); | |
148 | list_add_tail(&cb->list, &s->bufs); | |
149 | chain_all_buffers(s); | |
150 | spin_unlock_irqrestore(&s->irqlock, flags); | |
151 | } | |
152 | ||
153 | static void cobalt_enable_output(struct cobalt_stream *s) | |
154 | { | |
155 | struct cobalt *cobalt = s->cobalt; | |
156 | struct v4l2_bt_timings *bt = &s->timings.bt; | |
4da70768 | 157 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
85756a06 HV |
158 | COBALT_TX_BASE(cobalt); |
159 | unsigned fmt = s->pixfmt != V4L2_PIX_FMT_BGR32 ? | |
160 | M00514_CONTROL_BITMAP_FORMAT_16_BPP_MSK : 0; | |
161 | struct v4l2_subdev_format sd_fmt = { | |
162 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, | |
163 | }; | |
605a74e6 | 164 | u64 clk = bt->pixelclock; |
85756a06 | 165 | |
605a74e6 HV |
166 | if (bt->flags & V4L2_DV_FL_REDUCED_FPS) |
167 | clk = div_u64(clk * 1000ULL, 1001); | |
168 | if (!cobalt_cpld_set_freq(cobalt, clk)) { | |
85756a06 HV |
169 | cobalt_err("pixelclock out of range\n"); |
170 | return; | |
171 | } | |
172 | ||
173 | sd_fmt.format.colorspace = s->colorspace; | |
136a5e9e | 174 | sd_fmt.format.xfer_func = s->xfer_func; |
85756a06 HV |
175 | sd_fmt.format.ycbcr_enc = s->ycbcr_enc; |
176 | sd_fmt.format.quantization = s->quantization; | |
177 | sd_fmt.format.width = bt->width; | |
178 | sd_fmt.format.height = bt->height; | |
179 | ||
180 | /* Set up FDMA packer */ | |
181 | switch (s->pixfmt) { | |
182 | case V4L2_PIX_FMT_YUYV: | |
183 | sd_fmt.format.code = MEDIA_BUS_FMT_UYVY8_1X16; | |
184 | break; | |
185 | case V4L2_PIX_FMT_BGR32: | |
186 | sd_fmt.format.code = MEDIA_BUS_FMT_RGB888_1X24; | |
187 | break; | |
188 | } | |
189 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, &sd_fmt); | |
190 | ||
4da70768 | 191 | iowrite32(0, &vo->control); |
85756a06 | 192 | /* 1080p60 */ |
4da70768 HV |
193 | iowrite32(bt->hsync, &vo->sync_generator_h_sync_length); |
194 | iowrite32(bt->hbackporch, &vo->sync_generator_h_backporch_length); | |
195 | iowrite32(bt->width, &vo->sync_generator_h_active_length); | |
196 | iowrite32(bt->hfrontporch, &vo->sync_generator_h_frontporch_length); | |
197 | iowrite32(bt->vsync, &vo->sync_generator_v_sync_length); | |
198 | iowrite32(bt->vbackporch, &vo->sync_generator_v_backporch_length); | |
199 | iowrite32(bt->height, &vo->sync_generator_v_active_length); | |
200 | iowrite32(bt->vfrontporch, &vo->sync_generator_v_frontporch_length); | |
201 | iowrite32(0x9900c1, &vo->error_color); | |
202 | ||
203 | iowrite32(M00514_CONTROL_BITMAP_SYNC_GENERATOR_LOAD_PARAM_MSK | fmt, | |
204 | &vo->control); | |
205 | iowrite32(M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK | fmt, &vo->control); | |
206 | iowrite32(M00514_CONTROL_BITMAP_SYNC_GENERATOR_ENABLE_MSK | | |
207 | M00514_CONTROL_BITMAP_FLOW_CTRL_OUTPUT_ENABLE_MSK | | |
208 | fmt, &vo->control); | |
85756a06 HV |
209 | } |
210 | ||
211 | static void cobalt_enable_input(struct cobalt_stream *s) | |
212 | { | |
213 | struct cobalt *cobalt = s->cobalt; | |
214 | int ch = (int)s->video_channel; | |
4da70768 | 215 | struct m00235_fdma_packer_regmap __iomem *packer; |
85756a06 HV |
216 | struct v4l2_subdev_format sd_fmt_yuyv = { |
217 | .pad = s->pad_source, | |
218 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, | |
219 | .format.code = MEDIA_BUS_FMT_YUYV8_1X16, | |
220 | }; | |
221 | struct v4l2_subdev_format sd_fmt_rgb = { | |
222 | .pad = s->pad_source, | |
223 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, | |
224 | .format.code = MEDIA_BUS_FMT_RGB888_1X24, | |
225 | }; | |
226 | ||
227 | cobalt_dbg(1, "video_channel %d (%s, %s)\n", | |
228 | s->video_channel, | |
229 | s->input == 0 ? "hdmi" : "generator", | |
230 | "YUYV"); | |
231 | ||
232 | packer = COBALT_CVI_PACKER(cobalt, ch); | |
233 | ||
234 | /* Set up FDMA packer */ | |
235 | switch (s->pixfmt) { | |
236 | case V4L2_PIX_FMT_YUYV: | |
4da70768 HV |
237 | iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK | |
238 | (1 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST), | |
239 | &packer->control); | |
85756a06 HV |
240 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, |
241 | &sd_fmt_yuyv); | |
242 | break; | |
243 | case V4L2_PIX_FMT_RGB24: | |
4da70768 HV |
244 | iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK | |
245 | (2 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST), | |
246 | &packer->control); | |
85756a06 HV |
247 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, |
248 | &sd_fmt_rgb); | |
249 | break; | |
250 | case V4L2_PIX_FMT_BGR32: | |
4da70768 HV |
251 | iowrite32(M00235_CONTROL_BITMAP_ENABLE_MSK | |
252 | M00235_CONTROL_BITMAP_ENDIAN_FORMAT_MSK | | |
253 | (3 << M00235_CONTROL_BITMAP_PACK_FORMAT_OFST), | |
254 | &packer->control); | |
85756a06 HV |
255 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, |
256 | &sd_fmt_rgb); | |
257 | break; | |
258 | } | |
259 | } | |
260 | ||
261 | static void cobalt_dma_start_streaming(struct cobalt_stream *s) | |
262 | { | |
263 | struct cobalt *cobalt = s->cobalt; | |
264 | int rx = s->video_channel; | |
4da70768 | 265 | struct m00460_evcnt_regmap __iomem *evcnt = |
85756a06 HV |
266 | COBALT_CVI_EVCNT(cobalt, rx); |
267 | struct cobalt_buffer *cb; | |
268 | unsigned long flags; | |
269 | ||
270 | spin_lock_irqsave(&s->irqlock, flags); | |
271 | if (!s->is_output) { | |
4da70768 HV |
272 | iowrite32(M00460_CONTROL_BITMAP_CLEAR_MSK, &evcnt->control); |
273 | iowrite32(M00460_CONTROL_BITMAP_ENABLE_MSK, &evcnt->control); | |
85756a06 | 274 | } else { |
4da70768 | 275 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
85756a06 | 276 | COBALT_TX_BASE(cobalt); |
4da70768 | 277 | u32 ctrl = ioread32(&vo->control); |
85756a06 HV |
278 | |
279 | ctrl &= ~(M00514_CONTROL_BITMAP_EVCNT_ENABLE_MSK | | |
280 | M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK); | |
4da70768 HV |
281 | iowrite32(ctrl | M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK, |
282 | &vo->control); | |
283 | iowrite32(ctrl | M00514_CONTROL_BITMAP_EVCNT_ENABLE_MSK, | |
284 | &vo->control); | |
85756a06 HV |
285 | } |
286 | cb = list_first_entry(&s->bufs, struct cobalt_buffer, list); | |
2d700715 | 287 | omni_sg_dma_start(s, &s->dma_desc_info[cb->vb.vb2_buf.index]); |
85756a06 HV |
288 | spin_unlock_irqrestore(&s->irqlock, flags); |
289 | } | |
290 | ||
291 | static int cobalt_start_streaming(struct vb2_queue *q, unsigned int count) | |
292 | { | |
293 | struct cobalt_stream *s = q->drv_priv; | |
294 | struct cobalt *cobalt = s->cobalt; | |
4da70768 HV |
295 | struct m00233_video_measure_regmap __iomem *vmr; |
296 | struct m00473_freewheel_regmap __iomem *fw; | |
297 | struct m00479_clk_loss_detector_regmap __iomem *clkloss; | |
85756a06 | 298 | int rx = s->video_channel; |
4da70768 HV |
299 | struct m00389_cvi_regmap __iomem *cvi = COBALT_CVI(cobalt, rx); |
300 | struct m00460_evcnt_regmap __iomem *evcnt = COBALT_CVI_EVCNT(cobalt, rx); | |
85756a06 HV |
301 | struct v4l2_bt_timings *bt = &s->timings.bt; |
302 | u64 tot_size; | |
4da70768 | 303 | u32 clk_freq; |
85756a06 HV |
304 | |
305 | if (s->is_audio) | |
306 | goto done; | |
307 | if (s->is_output) { | |
308 | s->unstable_frame = false; | |
309 | cobalt_enable_output(s); | |
310 | goto done; | |
311 | } | |
312 | ||
313 | cobalt_enable_input(s); | |
314 | ||
315 | fw = COBALT_CVI_FREEWHEEL(cobalt, rx); | |
316 | vmr = COBALT_CVI_VMR(cobalt, rx); | |
317 | clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx); | |
318 | ||
4da70768 HV |
319 | iowrite32(M00460_CONTROL_BITMAP_CLEAR_MSK, &evcnt->control); |
320 | iowrite32(M00460_CONTROL_BITMAP_ENABLE_MSK, &evcnt->control); | |
321 | iowrite32(bt->width, &cvi->frame_width); | |
322 | iowrite32(bt->height, &cvi->frame_height); | |
85756a06 | 323 | tot_size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt); |
4da70768 HV |
324 | iowrite32(div_u64((u64)V4L2_DV_BT_FRAME_WIDTH(bt) * COBALT_CLK * 4, |
325 | bt->pixelclock), &vmr->hsync_timeout_val); | |
326 | iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control); | |
327 | clk_freq = ioread32(&fw->clk_freq); | |
328 | iowrite32(clk_freq / 1000000, &clkloss->ref_clk_cnt_val); | |
85756a06 HV |
329 | /* The lower bound for the clock frequency is 0.5% lower as is |
330 | * allowed by the spec */ | |
95a86e43 | 331 | iowrite32(div_u64(bt->pixelclock * 995, 1000000000), |
4da70768 | 332 | &clkloss->test_clk_cnt_val); |
85756a06 | 333 | /* will be enabled after the first frame has been received */ |
4da70768 HV |
334 | iowrite32(bt->width * bt->height, &fw->active_length); |
335 | iowrite32(div_u64((u64)clk_freq * tot_size, bt->pixelclock), | |
336 | &fw->total_length); | |
337 | iowrite32(M00233_IRQ_TRIGGERS_BITMAP_VACTIVE_AREA_MSK | | |
338 | M00233_IRQ_TRIGGERS_BITMAP_HACTIVE_AREA_MSK, | |
339 | &vmr->irq_triggers); | |
340 | iowrite32(0, &cvi->control); | |
341 | iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control); | |
342 | ||
343 | iowrite32(0xff, &fw->output_color); | |
344 | iowrite32(M00479_CTRL_BITMAP_ENABLE_MSK, &clkloss->ctrl); | |
345 | iowrite32(M00473_CTRL_BITMAP_ENABLE_MSK | | |
346 | M00473_CTRL_BITMAP_FORCE_FREEWHEEL_MODE_MSK, &fw->ctrl); | |
85756a06 HV |
347 | s->unstable_frame = true; |
348 | s->enable_freewheel = false; | |
349 | s->enable_cvi = false; | |
350 | s->skip_first_frames = 0; | |
351 | ||
352 | done: | |
353 | s->sequence = 0; | |
354 | cobalt_dma_start_streaming(s); | |
355 | return 0; | |
356 | } | |
357 | ||
358 | static void cobalt_dma_stop_streaming(struct cobalt_stream *s) | |
359 | { | |
360 | struct cobalt *cobalt = s->cobalt; | |
361 | struct sg_dma_desc_info *desc; | |
362 | struct cobalt_buffer *cb; | |
363 | struct list_head *p; | |
364 | unsigned long flags; | |
365 | int timeout_msec = 100; | |
366 | int rx = s->video_channel; | |
4da70768 | 367 | struct m00460_evcnt_regmap __iomem *evcnt = |
85756a06 HV |
368 | COBALT_CVI_EVCNT(cobalt, rx); |
369 | ||
370 | if (!s->is_output) { | |
4da70768 | 371 | iowrite32(0, &evcnt->control); |
85756a06 | 372 | } else if (!s->is_audio) { |
4da70768 | 373 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
85756a06 HV |
374 | COBALT_TX_BASE(cobalt); |
375 | ||
4da70768 HV |
376 | iowrite32(M00514_CONTROL_BITMAP_EVCNT_CLEAR_MSK, &vo->control); |
377 | iowrite32(0, &vo->control); | |
85756a06 HV |
378 | } |
379 | ||
380 | /* Try to stop the DMA engine gracefully */ | |
381 | spin_lock_irqsave(&s->irqlock, flags); | |
382 | list_for_each(p, &s->bufs) { | |
383 | cb = list_entry(p, struct cobalt_buffer, list); | |
2d700715 | 384 | desc = &s->dma_desc_info[cb->vb.vb2_buf.index]; |
85756a06 HV |
385 | /* Stop DMA after this descriptor chain */ |
386 | descriptor_list_end_of_chain(desc); | |
387 | } | |
388 | spin_unlock_irqrestore(&s->irqlock, flags); | |
389 | ||
390 | /* Wait 100 milisecond for DMA to finish, abort on timeout. */ | |
391 | if (!wait_event_timeout(s->q.done_wq, is_dma_done(s), | |
392 | msecs_to_jiffies(timeout_msec))) { | |
393 | omni_sg_dma_abort_channel(s); | |
394 | pr_warn("aborted\n"); | |
395 | } | |
396 | cobalt_write_bar0(cobalt, DMA_INTERRUPT_STATUS_REG, | |
397 | 1 << s->dma_channel); | |
398 | } | |
399 | ||
400 | static void cobalt_stop_streaming(struct vb2_queue *q) | |
401 | { | |
402 | struct cobalt_stream *s = q->drv_priv; | |
403 | struct cobalt *cobalt = s->cobalt; | |
404 | int rx = s->video_channel; | |
4da70768 HV |
405 | struct m00233_video_measure_regmap __iomem *vmr; |
406 | struct m00473_freewheel_regmap __iomem *fw; | |
407 | struct m00479_clk_loss_detector_regmap __iomem *clkloss; | |
85756a06 HV |
408 | struct cobalt_buffer *cb; |
409 | struct list_head *p, *safe; | |
410 | unsigned long flags; | |
411 | ||
412 | cobalt_dma_stop_streaming(s); | |
413 | ||
414 | /* Return all buffers to user space */ | |
415 | spin_lock_irqsave(&s->irqlock, flags); | |
416 | list_for_each_safe(p, safe, &s->bufs) { | |
417 | cb = list_entry(p, struct cobalt_buffer, list); | |
418 | list_del(&cb->list); | |
2d700715 | 419 | vb2_buffer_done(&cb->vb.vb2_buf, VB2_BUF_STATE_ERROR); |
85756a06 HV |
420 | } |
421 | spin_unlock_irqrestore(&s->irqlock, flags); | |
422 | ||
423 | if (s->is_audio || s->is_output) | |
424 | return; | |
425 | ||
426 | fw = COBALT_CVI_FREEWHEEL(cobalt, rx); | |
427 | vmr = COBALT_CVI_VMR(cobalt, rx); | |
428 | clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx); | |
4da70768 HV |
429 | iowrite32(0, &vmr->control); |
430 | iowrite32(M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK, &vmr->control); | |
431 | iowrite32(0, &fw->ctrl); | |
432 | iowrite32(0, &clkloss->ctrl); | |
85756a06 HV |
433 | } |
434 | ||
435 | static const struct vb2_ops cobalt_qops = { | |
436 | .queue_setup = cobalt_queue_setup, | |
437 | .buf_init = cobalt_buf_init, | |
438 | .buf_cleanup = cobalt_buf_cleanup, | |
439 | .buf_prepare = cobalt_buf_prepare, | |
440 | .buf_queue = cobalt_buf_queue, | |
441 | .start_streaming = cobalt_start_streaming, | |
442 | .stop_streaming = cobalt_stop_streaming, | |
443 | .wait_prepare = vb2_ops_wait_prepare, | |
444 | .wait_finish = vb2_ops_wait_finish, | |
445 | }; | |
446 | ||
447 | /* V4L2 ioctls */ | |
448 | ||
449 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
450 | static int cobalt_cobaltc(struct cobalt *cobalt, unsigned int cmd, void *arg) | |
451 | { | |
452 | struct v4l2_dbg_register *regs = arg; | |
453 | void __iomem *adrs = cobalt->bar1 + regs->reg; | |
454 | ||
455 | cobalt_info("cobalt_cobaltc: adrs = %p\n", adrs); | |
456 | ||
457 | if (!capable(CAP_SYS_ADMIN)) | |
458 | return -EPERM; | |
459 | ||
460 | regs->size = 4; | |
461 | if (cmd == VIDIOC_DBG_S_REGISTER) | |
462 | iowrite32(regs->val, adrs); | |
463 | else | |
464 | regs->val = ioread32(adrs); | |
465 | return 0; | |
466 | } | |
467 | ||
468 | static int cobalt_g_register(struct file *file, void *priv_fh, | |
469 | struct v4l2_dbg_register *reg) | |
470 | { | |
471 | struct cobalt_stream *s = video_drvdata(file); | |
472 | struct cobalt *cobalt = s->cobalt; | |
473 | ||
474 | return cobalt_cobaltc(cobalt, VIDIOC_DBG_G_REGISTER, reg); | |
475 | } | |
476 | ||
477 | static int cobalt_s_register(struct file *file, void *priv_fh, | |
478 | const struct v4l2_dbg_register *reg) | |
479 | { | |
480 | struct cobalt_stream *s = video_drvdata(file); | |
481 | struct cobalt *cobalt = s->cobalt; | |
482 | ||
483 | return cobalt_cobaltc(cobalt, VIDIOC_DBG_S_REGISTER, | |
484 | (struct v4l2_dbg_register *)reg); | |
485 | } | |
486 | #endif | |
487 | ||
488 | static int cobalt_querycap(struct file *file, void *priv_fh, | |
489 | struct v4l2_capability *vcap) | |
490 | { | |
491 | struct cobalt_stream *s = video_drvdata(file); | |
492 | struct cobalt *cobalt = s->cobalt; | |
493 | ||
494 | strlcpy(vcap->driver, "cobalt", sizeof(vcap->driver)); | |
495 | strlcpy(vcap->card, "cobalt", sizeof(vcap->card)); | |
496 | snprintf(vcap->bus_info, sizeof(vcap->bus_info), | |
497 | "PCIe:%s", pci_name(cobalt->pci_dev)); | |
498 | vcap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; | |
499 | if (s->is_output) | |
500 | vcap->device_caps |= V4L2_CAP_VIDEO_OUTPUT; | |
501 | else | |
502 | vcap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; | |
503 | vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS | | |
504 | V4L2_CAP_VIDEO_CAPTURE; | |
505 | if (cobalt->have_hsma_tx) | |
506 | vcap->capabilities |= V4L2_CAP_VIDEO_OUTPUT; | |
507 | return 0; | |
508 | } | |
509 | ||
510 | static void cobalt_video_input_status_show(struct cobalt_stream *s) | |
511 | { | |
4da70768 HV |
512 | struct m00389_cvi_regmap __iomem *cvi; |
513 | struct m00233_video_measure_regmap __iomem *vmr; | |
514 | struct m00473_freewheel_regmap __iomem *fw; | |
515 | struct m00479_clk_loss_detector_regmap __iomem *clkloss; | |
516 | struct m00235_fdma_packer_regmap __iomem *packer; | |
85756a06 HV |
517 | int rx = s->video_channel; |
518 | struct cobalt *cobalt = s->cobalt; | |
4da70768 HV |
519 | u32 cvi_ctrl, cvi_stat; |
520 | u32 vmr_ctrl, vmr_stat; | |
85756a06 HV |
521 | |
522 | cvi = COBALT_CVI(cobalt, rx); | |
523 | vmr = COBALT_CVI_VMR(cobalt, rx); | |
524 | fw = COBALT_CVI_FREEWHEEL(cobalt, rx); | |
525 | clkloss = COBALT_CVI_CLK_LOSS(cobalt, rx); | |
526 | packer = COBALT_CVI_PACKER(cobalt, rx); | |
4da70768 HV |
527 | cvi_ctrl = ioread32(&cvi->control); |
528 | cvi_stat = ioread32(&cvi->status); | |
529 | vmr_ctrl = ioread32(&vmr->control); | |
530 | vmr_stat = ioread32(&vmr->control); | |
85756a06 | 531 | cobalt_info("rx%d: cvi resolution: %dx%d\n", rx, |
4da70768 | 532 | ioread32(&cvi->frame_width), ioread32(&cvi->frame_height)); |
85756a06 | 533 | cobalt_info("rx%d: cvi control: %s%s%s\n", rx, |
4da70768 | 534 | (cvi_ctrl & M00389_CONTROL_BITMAP_ENABLE_MSK) ? |
85756a06 | 535 | "enable " : "disable ", |
4da70768 | 536 | (cvi_ctrl & M00389_CONTROL_BITMAP_HSYNC_POLARITY_LOW_MSK) ? |
85756a06 | 537 | "HSync- " : "HSync+ ", |
4da70768 | 538 | (cvi_ctrl & M00389_CONTROL_BITMAP_VSYNC_POLARITY_LOW_MSK) ? |
85756a06 HV |
539 | "VSync- " : "VSync+ "); |
540 | cobalt_info("rx%d: cvi status: %s%s\n", rx, | |
4da70768 | 541 | (cvi_stat & M00389_STATUS_BITMAP_LOCK_MSK) ? |
85756a06 | 542 | "lock " : "no-lock ", |
4da70768 | 543 | (cvi_stat & M00389_STATUS_BITMAP_ERROR_MSK) ? |
85756a06 HV |
544 | "error " : "no-error "); |
545 | ||
546 | cobalt_info("rx%d: Measurements: %s%s%s%s%s%s%s\n", rx, | |
4da70768 | 547 | (vmr_ctrl & M00233_CONTROL_BITMAP_HSYNC_POLARITY_LOW_MSK) ? |
85756a06 | 548 | "HSync- " : "HSync+ ", |
4da70768 | 549 | (vmr_ctrl & M00233_CONTROL_BITMAP_VSYNC_POLARITY_LOW_MSK) ? |
85756a06 | 550 | "VSync- " : "VSync+ ", |
4da70768 | 551 | (vmr_ctrl & M00233_CONTROL_BITMAP_ENABLE_MEASURE_MSK) ? |
85756a06 | 552 | "enabled " : "disabled ", |
4da70768 | 553 | (vmr_ctrl & M00233_CONTROL_BITMAP_ENABLE_INTERRUPT_MSK) ? |
85756a06 | 554 | "irq-enabled " : "irq-disabled ", |
4da70768 | 555 | (vmr_ctrl & M00233_CONTROL_BITMAP_UPDATE_ON_HSYNC_MSK) ? |
85756a06 | 556 | "update-on-hsync " : "", |
4da70768 | 557 | (vmr_stat & M00233_STATUS_BITMAP_HSYNC_TIMEOUT_MSK) ? |
85756a06 | 558 | "hsync-timeout " : "", |
4da70768 | 559 | (vmr_stat & M00233_STATUS_BITMAP_INIT_DONE_MSK) ? |
85756a06 HV |
560 | "init-done" : ""); |
561 | cobalt_info("rx%d: irq_status: 0x%02x irq_triggers: 0x%02x\n", rx, | |
4da70768 HV |
562 | ioread32(&vmr->irq_status) & 0xff, |
563 | ioread32(&vmr->irq_triggers) & 0xff); | |
564 | cobalt_info("rx%d: vsync: %d\n", rx, ioread32(&vmr->vsync_time)); | |
565 | cobalt_info("rx%d: vbp: %d\n", rx, ioread32(&vmr->vback_porch)); | |
566 | cobalt_info("rx%d: vact: %d\n", rx, ioread32(&vmr->vactive_area)); | |
567 | cobalt_info("rx%d: vfb: %d\n", rx, ioread32(&vmr->vfront_porch)); | |
568 | cobalt_info("rx%d: hsync: %d\n", rx, ioread32(&vmr->hsync_time)); | |
569 | cobalt_info("rx%d: hbp: %d\n", rx, ioread32(&vmr->hback_porch)); | |
570 | cobalt_info("rx%d: hact: %d\n", rx, ioread32(&vmr->hactive_area)); | |
571 | cobalt_info("rx%d: hfb: %d\n", rx, ioread32(&vmr->hfront_porch)); | |
85756a06 | 572 | cobalt_info("rx%d: Freewheeling: %s%s%s\n", rx, |
4da70768 | 573 | (ioread32(&fw->ctrl) & M00473_CTRL_BITMAP_ENABLE_MSK) ? |
85756a06 | 574 | "enabled " : "disabled ", |
4da70768 | 575 | (ioread32(&fw->ctrl) & M00473_CTRL_BITMAP_FORCE_FREEWHEEL_MODE_MSK) ? |
85756a06 | 576 | "forced " : "", |
4da70768 | 577 | (ioread32(&fw->status) & M00473_STATUS_BITMAP_FREEWHEEL_MODE_MSK) ? |
85756a06 | 578 | "freewheeling " : "video-passthrough "); |
4da70768 | 579 | iowrite32(0xff, &vmr->irq_status); |
85756a06 | 580 | cobalt_info("rx%d: Clock Loss Detection: %s%s\n", rx, |
4da70768 | 581 | (ioread32(&clkloss->ctrl) & M00479_CTRL_BITMAP_ENABLE_MSK) ? |
85756a06 | 582 | "enabled " : "disabled ", |
4da70768 | 583 | (ioread32(&clkloss->status) & M00479_STATUS_BITMAP_CLOCK_MISSING_MSK) ? |
85756a06 | 584 | "clock-missing " : "found-clock "); |
4da70768 | 585 | cobalt_info("rx%d: Packer: %x\n", rx, ioread32(&packer->control)); |
85756a06 HV |
586 | } |
587 | ||
588 | static int cobalt_log_status(struct file *file, void *priv_fh) | |
589 | { | |
590 | struct cobalt_stream *s = video_drvdata(file); | |
591 | struct cobalt *cobalt = s->cobalt; | |
4da70768 | 592 | struct m00514_syncgen_flow_evcnt_regmap __iomem *vo = |
85756a06 HV |
593 | COBALT_TX_BASE(cobalt); |
594 | u8 stat; | |
595 | ||
596 | cobalt_info("%s", cobalt->hdl_info); | |
597 | cobalt_info("sysctrl: %08x, sysstat: %08x\n", | |
598 | cobalt_g_sysctrl(cobalt), | |
599 | cobalt_g_sysstat(cobalt)); | |
600 | cobalt_info("dma channel: %d, video channel: %d\n", | |
601 | s->dma_channel, s->video_channel); | |
602 | cobalt_pcie_status_show(cobalt); | |
603 | cobalt_cpld_status(cobalt); | |
604 | cobalt_irq_log_status(cobalt); | |
605 | v4l2_subdev_call(s->sd, core, log_status); | |
606 | if (!s->is_output) { | |
607 | cobalt_video_input_status_show(s); | |
608 | return 0; | |
609 | } | |
610 | ||
4da70768 | 611 | stat = ioread32(&vo->rd_status); |
85756a06 HV |
612 | |
613 | cobalt_info("tx: status: %s%s\n", | |
614 | (stat & M00514_RD_STATUS_BITMAP_FLOW_CTRL_NO_DATA_ERROR_MSK) ? | |
615 | "no_data " : "", | |
616 | (stat & M00514_RD_STATUS_BITMAP_READY_BUFFER_FULL_MSK) ? | |
617 | "ready_buffer_full " : ""); | |
4da70768 | 618 | cobalt_info("tx: evcnt: %d\n", ioread32(&vo->rd_evcnt_count)); |
85756a06 HV |
619 | return 0; |
620 | } | |
621 | ||
622 | static int cobalt_enum_dv_timings(struct file *file, void *priv_fh, | |
623 | struct v4l2_enum_dv_timings *timings) | |
624 | { | |
625 | struct cobalt_stream *s = video_drvdata(file); | |
626 | ||
627 | if (s->input == 1) { | |
628 | if (timings->index) | |
629 | return -EINVAL; | |
630 | memset(timings->reserved, 0, sizeof(timings->reserved)); | |
631 | timings->timings = cea1080p60; | |
632 | return 0; | |
633 | } | |
634 | timings->pad = 0; | |
635 | return v4l2_subdev_call(s->sd, | |
636 | pad, enum_dv_timings, timings); | |
637 | } | |
638 | ||
639 | static int cobalt_s_dv_timings(struct file *file, void *priv_fh, | |
640 | struct v4l2_dv_timings *timings) | |
641 | { | |
642 | struct cobalt_stream *s = video_drvdata(file); | |
643 | int err; | |
644 | ||
85756a06 HV |
645 | if (s->input == 1) { |
646 | *timings = cea1080p60; | |
647 | return 0; | |
648 | } | |
810c168c | 649 | |
605a74e6 | 650 | if (v4l2_match_dv_timings(timings, &s->timings, 0, true)) |
810c168c HV |
651 | return 0; |
652 | ||
653 | if (vb2_is_busy(&s->q)) | |
654 | return -EBUSY; | |
655 | ||
85756a06 HV |
656 | err = v4l2_subdev_call(s->sd, |
657 | video, s_dv_timings, timings); | |
658 | if (!err) { | |
659 | s->timings = *timings; | |
660 | s->width = timings->bt.width; | |
661 | s->height = timings->bt.height; | |
662 | s->stride = timings->bt.width * s->bpp; | |
663 | } | |
664 | return err; | |
665 | } | |
666 | ||
667 | static int cobalt_g_dv_timings(struct file *file, void *priv_fh, | |
668 | struct v4l2_dv_timings *timings) | |
669 | { | |
670 | struct cobalt_stream *s = video_drvdata(file); | |
671 | ||
672 | if (s->input == 1) { | |
673 | *timings = cea1080p60; | |
674 | return 0; | |
675 | } | |
676 | return v4l2_subdev_call(s->sd, | |
677 | video, g_dv_timings, timings); | |
678 | } | |
679 | ||
680 | static int cobalt_query_dv_timings(struct file *file, void *priv_fh, | |
681 | struct v4l2_dv_timings *timings) | |
682 | { | |
683 | struct cobalt_stream *s = video_drvdata(file); | |
684 | ||
685 | if (s->input == 1) { | |
686 | *timings = cea1080p60; | |
687 | return 0; | |
688 | } | |
689 | return v4l2_subdev_call(s->sd, | |
690 | video, query_dv_timings, timings); | |
691 | } | |
692 | ||
693 | static int cobalt_dv_timings_cap(struct file *file, void *priv_fh, | |
694 | struct v4l2_dv_timings_cap *cap) | |
695 | { | |
696 | struct cobalt_stream *s = video_drvdata(file); | |
697 | ||
698 | cap->pad = 0; | |
699 | return v4l2_subdev_call(s->sd, | |
700 | pad, dv_timings_cap, cap); | |
701 | } | |
702 | ||
703 | static int cobalt_enum_fmt_vid_cap(struct file *file, void *priv_fh, | |
704 | struct v4l2_fmtdesc *f) | |
705 | { | |
706 | switch (f->index) { | |
707 | case 0: | |
708 | strlcpy(f->description, "YUV 4:2:2", sizeof(f->description)); | |
709 | f->pixelformat = V4L2_PIX_FMT_YUYV; | |
710 | break; | |
711 | case 1: | |
712 | strlcpy(f->description, "RGB24", sizeof(f->description)); | |
713 | f->pixelformat = V4L2_PIX_FMT_RGB24; | |
714 | break; | |
715 | case 2: | |
716 | strlcpy(f->description, "RGB32", sizeof(f->description)); | |
717 | f->pixelformat = V4L2_PIX_FMT_BGR32; | |
718 | break; | |
719 | default: | |
720 | return -EINVAL; | |
721 | } | |
722 | ||
723 | return 0; | |
724 | } | |
725 | ||
726 | static int cobalt_g_fmt_vid_cap(struct file *file, void *priv_fh, | |
727 | struct v4l2_format *f) | |
728 | { | |
729 | struct cobalt_stream *s = video_drvdata(file); | |
730 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
731 | struct v4l2_subdev_format sd_fmt; | |
732 | ||
733 | pix->width = s->width; | |
734 | pix->height = s->height; | |
735 | pix->bytesperline = s->stride; | |
736 | pix->field = V4L2_FIELD_NONE; | |
737 | ||
738 | if (s->input == 1) { | |
739 | pix->colorspace = V4L2_COLORSPACE_SRGB; | |
740 | } else { | |
741 | sd_fmt.pad = s->pad_source; | |
742 | sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; | |
743 | v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt); | |
744 | v4l2_fill_pix_format(pix, &sd_fmt.format); | |
85756a06 HV |
745 | } |
746 | ||
747 | pix->pixelformat = s->pixfmt; | |
748 | pix->sizeimage = pix->bytesperline * pix->height; | |
749 | ||
750 | return 0; | |
751 | } | |
752 | ||
753 | static int cobalt_try_fmt_vid_cap(struct file *file, void *priv_fh, | |
754 | struct v4l2_format *f) | |
755 | { | |
756 | struct cobalt_stream *s = video_drvdata(file); | |
757 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
758 | struct v4l2_subdev_format sd_fmt; | |
759 | ||
760 | /* Check for min (QCIF) and max (Full HD) size */ | |
761 | if ((pix->width < 176) || (pix->height < 144)) { | |
762 | pix->width = 176; | |
763 | pix->height = 144; | |
764 | } | |
765 | ||
766 | if ((pix->width > 1920) || (pix->height > 1080)) { | |
767 | pix->width = 1920; | |
768 | pix->height = 1080; | |
769 | } | |
770 | ||
771 | /* Make width multiple of 4 */ | |
772 | pix->width &= ~0x3; | |
773 | ||
774 | /* Make height multiple of 2 */ | |
775 | pix->height &= ~0x1; | |
776 | ||
777 | if (s->input == 1) { | |
778 | /* Generator => fixed format only */ | |
779 | pix->width = 1920; | |
780 | pix->height = 1080; | |
781 | pix->colorspace = V4L2_COLORSPACE_SRGB; | |
782 | } else { | |
783 | sd_fmt.pad = s->pad_source; | |
784 | sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; | |
785 | v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt); | |
786 | v4l2_fill_pix_format(pix, &sd_fmt.format); | |
85756a06 HV |
787 | } |
788 | ||
789 | switch (pix->pixelformat) { | |
790 | case V4L2_PIX_FMT_YUYV: | |
791 | default: | |
792 | pix->bytesperline = max(pix->bytesperline & ~0x3, | |
793 | pix->width * COBALT_BYTES_PER_PIXEL_YUYV); | |
794 | pix->pixelformat = V4L2_PIX_FMT_YUYV; | |
795 | break; | |
796 | case V4L2_PIX_FMT_RGB24: | |
797 | pix->bytesperline = max(pix->bytesperline & ~0x3, | |
798 | pix->width * COBALT_BYTES_PER_PIXEL_RGB24); | |
799 | break; | |
800 | case V4L2_PIX_FMT_BGR32: | |
801 | pix->bytesperline = max(pix->bytesperline & ~0x3, | |
802 | pix->width * COBALT_BYTES_PER_PIXEL_RGB32); | |
803 | break; | |
804 | } | |
805 | ||
806 | pix->sizeimage = pix->bytesperline * pix->height; | |
807 | pix->field = V4L2_FIELD_NONE; | |
808 | pix->priv = 0; | |
809 | ||
810 | return 0; | |
811 | } | |
812 | ||
813 | static int cobalt_s_fmt_vid_cap(struct file *file, void *priv_fh, | |
814 | struct v4l2_format *f) | |
815 | { | |
816 | struct cobalt_stream *s = video_drvdata(file); | |
817 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
818 | ||
819 | if (vb2_is_busy(&s->q)) | |
820 | return -EBUSY; | |
821 | ||
822 | if (cobalt_try_fmt_vid_cap(file, priv_fh, f)) | |
823 | return -EINVAL; | |
824 | ||
825 | s->width = pix->width; | |
826 | s->height = pix->height; | |
827 | s->stride = pix->bytesperline; | |
828 | switch (pix->pixelformat) { | |
829 | case V4L2_PIX_FMT_YUYV: | |
830 | s->bpp = COBALT_BYTES_PER_PIXEL_YUYV; | |
831 | break; | |
832 | case V4L2_PIX_FMT_RGB24: | |
833 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB24; | |
834 | break; | |
835 | case V4L2_PIX_FMT_BGR32: | |
836 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB32; | |
837 | break; | |
838 | default: | |
839 | return -EINVAL; | |
840 | } | |
841 | s->pixfmt = pix->pixelformat; | |
842 | cobalt_enable_input(s); | |
843 | ||
844 | return 0; | |
845 | } | |
846 | ||
847 | static int cobalt_try_fmt_vid_out(struct file *file, void *priv_fh, | |
848 | struct v4l2_format *f) | |
849 | { | |
850 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
851 | ||
852 | /* Check for min (QCIF) and max (Full HD) size */ | |
853 | if ((pix->width < 176) || (pix->height < 144)) { | |
854 | pix->width = 176; | |
855 | pix->height = 144; | |
856 | } | |
857 | ||
858 | if ((pix->width > 1920) || (pix->height > 1080)) { | |
859 | pix->width = 1920; | |
860 | pix->height = 1080; | |
861 | } | |
862 | ||
863 | /* Make width multiple of 4 */ | |
864 | pix->width &= ~0x3; | |
865 | ||
866 | /* Make height multiple of 2 */ | |
867 | pix->height &= ~0x1; | |
868 | ||
869 | switch (pix->pixelformat) { | |
870 | case V4L2_PIX_FMT_YUYV: | |
871 | default: | |
872 | pix->bytesperline = max(pix->bytesperline & ~0x3, | |
873 | pix->width * COBALT_BYTES_PER_PIXEL_YUYV); | |
874 | pix->pixelformat = V4L2_PIX_FMT_YUYV; | |
875 | break; | |
876 | case V4L2_PIX_FMT_BGR32: | |
877 | pix->bytesperline = max(pix->bytesperline & ~0x3, | |
878 | pix->width * COBALT_BYTES_PER_PIXEL_RGB32); | |
879 | break; | |
880 | } | |
881 | ||
882 | pix->sizeimage = pix->bytesperline * pix->height; | |
883 | pix->field = V4L2_FIELD_NONE; | |
884 | ||
885 | return 0; | |
886 | } | |
887 | ||
888 | static int cobalt_g_fmt_vid_out(struct file *file, void *priv_fh, | |
889 | struct v4l2_format *f) | |
890 | { | |
891 | struct cobalt_stream *s = video_drvdata(file); | |
892 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
893 | ||
894 | pix->width = s->width; | |
895 | pix->height = s->height; | |
896 | pix->bytesperline = s->stride; | |
897 | pix->field = V4L2_FIELD_NONE; | |
898 | pix->pixelformat = s->pixfmt; | |
899 | pix->colorspace = s->colorspace; | |
136a5e9e | 900 | pix->xfer_func = s->xfer_func; |
85756a06 HV |
901 | pix->ycbcr_enc = s->ycbcr_enc; |
902 | pix->quantization = s->quantization; | |
903 | pix->sizeimage = pix->bytesperline * pix->height; | |
904 | ||
905 | return 0; | |
906 | } | |
907 | ||
908 | static int cobalt_enum_fmt_vid_out(struct file *file, void *priv_fh, | |
909 | struct v4l2_fmtdesc *f) | |
910 | { | |
911 | switch (f->index) { | |
912 | case 0: | |
913 | strlcpy(f->description, "YUV 4:2:2", sizeof(f->description)); | |
914 | f->pixelformat = V4L2_PIX_FMT_YUYV; | |
915 | break; | |
916 | case 1: | |
917 | strlcpy(f->description, "RGB32", sizeof(f->description)); | |
918 | f->pixelformat = V4L2_PIX_FMT_BGR32; | |
919 | break; | |
920 | default: | |
921 | return -EINVAL; | |
922 | } | |
923 | ||
924 | return 0; | |
925 | } | |
926 | ||
927 | static int cobalt_s_fmt_vid_out(struct file *file, void *priv_fh, | |
928 | struct v4l2_format *f) | |
929 | { | |
930 | struct cobalt_stream *s = video_drvdata(file); | |
931 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
932 | struct v4l2_subdev_format sd_fmt = { 0 }; | |
e1dedcff | 933 | u32 code; |
85756a06 HV |
934 | |
935 | if (cobalt_try_fmt_vid_out(file, priv_fh, f)) | |
936 | return -EINVAL; | |
937 | ||
938 | if (vb2_is_busy(&s->q) && (pix->pixelformat != s->pixfmt || | |
939 | pix->width != s->width || pix->height != s->height || | |
940 | pix->bytesperline != s->stride)) | |
941 | return -EBUSY; | |
942 | ||
943 | switch (pix->pixelformat) { | |
944 | case V4L2_PIX_FMT_YUYV: | |
945 | s->bpp = COBALT_BYTES_PER_PIXEL_YUYV; | |
e1dedcff | 946 | code = MEDIA_BUS_FMT_UYVY8_1X16; |
85756a06 HV |
947 | break; |
948 | case V4L2_PIX_FMT_BGR32: | |
949 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB32; | |
e1dedcff | 950 | code = MEDIA_BUS_FMT_RGB888_1X24; |
85756a06 HV |
951 | break; |
952 | default: | |
953 | return -EINVAL; | |
954 | } | |
955 | s->width = pix->width; | |
956 | s->height = pix->height; | |
957 | s->stride = pix->bytesperline; | |
958 | s->pixfmt = pix->pixelformat; | |
959 | s->colorspace = pix->colorspace; | |
136a5e9e | 960 | s->xfer_func = pix->xfer_func; |
85756a06 HV |
961 | s->ycbcr_enc = pix->ycbcr_enc; |
962 | s->quantization = pix->quantization; | |
963 | sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; | |
e1dedcff | 964 | v4l2_fill_mbus_format(&sd_fmt.format, pix, code); |
85756a06 HV |
965 | v4l2_subdev_call(s->sd, pad, set_fmt, NULL, &sd_fmt); |
966 | return 0; | |
967 | } | |
968 | ||
969 | static int cobalt_enum_input(struct file *file, void *priv_fh, | |
970 | struct v4l2_input *inp) | |
971 | { | |
972 | struct cobalt_stream *s = video_drvdata(file); | |
973 | ||
974 | if (inp->index > 1) | |
975 | return -EINVAL; | |
976 | if (inp->index == 0) | |
977 | snprintf(inp->name, sizeof(inp->name), | |
978 | "HDMI-%d", s->video_channel); | |
979 | else | |
980 | snprintf(inp->name, sizeof(inp->name), | |
981 | "Generator-%d", s->video_channel); | |
982 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
983 | inp->capabilities = V4L2_IN_CAP_DV_TIMINGS; | |
984 | if (inp->index == 1) | |
985 | return 0; | |
986 | return v4l2_subdev_call(s->sd, | |
987 | video, g_input_status, &inp->status); | |
988 | } | |
989 | ||
990 | static int cobalt_g_input(struct file *file, void *priv_fh, unsigned int *i) | |
991 | { | |
992 | struct cobalt_stream *s = video_drvdata(file); | |
993 | ||
994 | *i = s->input; | |
995 | return 0; | |
996 | } | |
997 | ||
998 | static int cobalt_s_input(struct file *file, void *priv_fh, unsigned int i) | |
999 | { | |
1000 | struct cobalt_stream *s = video_drvdata(file); | |
1001 | ||
1002 | if (i >= 2) | |
1003 | return -EINVAL; | |
1004 | if (vb2_is_busy(&s->q)) | |
1005 | return -EBUSY; | |
1006 | s->input = i; | |
1007 | ||
1008 | cobalt_enable_input(s); | |
1009 | ||
1010 | if (s->input == 1) /* Test Pattern Generator */ | |
1011 | return 0; | |
1012 | ||
1013 | return v4l2_subdev_call(s->sd, video, s_routing, | |
1014 | ADV76XX_PAD_HDMI_PORT_A, 0, 0); | |
1015 | } | |
1016 | ||
1017 | static int cobalt_enum_output(struct file *file, void *priv_fh, | |
1018 | struct v4l2_output *out) | |
1019 | { | |
1020 | if (out->index) | |
1021 | return -EINVAL; | |
1022 | snprintf(out->name, sizeof(out->name), "HDMI-%d", out->index); | |
1023 | out->type = V4L2_OUTPUT_TYPE_ANALOG; | |
1024 | out->capabilities = V4L2_OUT_CAP_DV_TIMINGS; | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | static int cobalt_g_output(struct file *file, void *priv_fh, unsigned int *i) | |
1029 | { | |
1030 | *i = 0; | |
1031 | return 0; | |
1032 | } | |
1033 | ||
1034 | static int cobalt_s_output(struct file *file, void *priv_fh, unsigned int i) | |
1035 | { | |
1036 | return i ? -EINVAL : 0; | |
1037 | } | |
1038 | ||
1039 | static int cobalt_g_edid(struct file *file, void *fh, struct v4l2_edid *edid) | |
1040 | { | |
1041 | struct cobalt_stream *s = video_drvdata(file); | |
1042 | u32 pad = edid->pad; | |
1043 | int ret; | |
1044 | ||
1045 | if (edid->pad >= (s->is_output ? 1 : 2)) | |
1046 | return -EINVAL; | |
1047 | edid->pad = 0; | |
1048 | ret = v4l2_subdev_call(s->sd, pad, get_edid, edid); | |
1049 | edid->pad = pad; | |
1050 | return ret; | |
1051 | } | |
1052 | ||
1053 | static int cobalt_s_edid(struct file *file, void *fh, struct v4l2_edid *edid) | |
1054 | { | |
1055 | struct cobalt_stream *s = video_drvdata(file); | |
1056 | u32 pad = edid->pad; | |
1057 | int ret; | |
1058 | ||
1059 | if (edid->pad >= 2) | |
1060 | return -EINVAL; | |
1061 | edid->pad = 0; | |
1062 | ret = v4l2_subdev_call(s->sd, pad, set_edid, edid); | |
1063 | edid->pad = pad; | |
1064 | return ret; | |
1065 | } | |
1066 | ||
1067 | static int cobalt_subscribe_event(struct v4l2_fh *fh, | |
1068 | const struct v4l2_event_subscription *sub) | |
1069 | { | |
1070 | switch (sub->type) { | |
1071 | case V4L2_EVENT_SOURCE_CHANGE: | |
1072 | return v4l2_event_subscribe(fh, sub, 4, NULL); | |
1073 | } | |
1074 | return v4l2_ctrl_subscribe_event(fh, sub); | |
1075 | } | |
1076 | ||
1077 | static int cobalt_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) | |
1078 | { | |
1079 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1080 | return -EINVAL; | |
1081 | a->parm.capture.timeperframe.numerator = 1; | |
1082 | a->parm.capture.timeperframe.denominator = 60; | |
1083 | a->parm.capture.readbuffers = 3; | |
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | static const struct v4l2_ioctl_ops cobalt_ioctl_ops = { | |
1088 | .vidioc_querycap = cobalt_querycap, | |
1089 | .vidioc_g_parm = cobalt_g_parm, | |
1090 | .vidioc_log_status = cobalt_log_status, | |
1091 | .vidioc_streamon = vb2_ioctl_streamon, | |
1092 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1093 | .vidioc_enum_input = cobalt_enum_input, | |
1094 | .vidioc_g_input = cobalt_g_input, | |
1095 | .vidioc_s_input = cobalt_s_input, | |
1096 | .vidioc_enum_fmt_vid_cap = cobalt_enum_fmt_vid_cap, | |
1097 | .vidioc_g_fmt_vid_cap = cobalt_g_fmt_vid_cap, | |
1098 | .vidioc_s_fmt_vid_cap = cobalt_s_fmt_vid_cap, | |
1099 | .vidioc_try_fmt_vid_cap = cobalt_try_fmt_vid_cap, | |
1100 | .vidioc_enum_output = cobalt_enum_output, | |
1101 | .vidioc_g_output = cobalt_g_output, | |
1102 | .vidioc_s_output = cobalt_s_output, | |
1103 | .vidioc_enum_fmt_vid_out = cobalt_enum_fmt_vid_out, | |
1104 | .vidioc_g_fmt_vid_out = cobalt_g_fmt_vid_out, | |
1105 | .vidioc_s_fmt_vid_out = cobalt_s_fmt_vid_out, | |
1106 | .vidioc_try_fmt_vid_out = cobalt_try_fmt_vid_out, | |
1107 | .vidioc_s_dv_timings = cobalt_s_dv_timings, | |
1108 | .vidioc_g_dv_timings = cobalt_g_dv_timings, | |
1109 | .vidioc_query_dv_timings = cobalt_query_dv_timings, | |
1110 | .vidioc_enum_dv_timings = cobalt_enum_dv_timings, | |
1111 | .vidioc_dv_timings_cap = cobalt_dv_timings_cap, | |
1112 | .vidioc_g_edid = cobalt_g_edid, | |
1113 | .vidioc_s_edid = cobalt_s_edid, | |
1114 | .vidioc_subscribe_event = cobalt_subscribe_event, | |
1115 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
1116 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1117 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1118 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1119 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1120 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1121 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1122 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1123 | .vidioc_g_register = cobalt_g_register, | |
1124 | .vidioc_s_register = cobalt_s_register, | |
1125 | #endif | |
1126 | }; | |
1127 | ||
1128 | static const struct v4l2_ioctl_ops cobalt_ioctl_empty_ops = { | |
1129 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1130 | .vidioc_g_register = cobalt_g_register, | |
1131 | .vidioc_s_register = cobalt_s_register, | |
1132 | #endif | |
1133 | }; | |
1134 | ||
1135 | /* Register device nodes */ | |
1136 | ||
1137 | static const struct v4l2_file_operations cobalt_fops = { | |
1138 | .owner = THIS_MODULE, | |
1139 | .open = v4l2_fh_open, | |
1140 | .unlocked_ioctl = video_ioctl2, | |
1141 | .release = vb2_fop_release, | |
1142 | .poll = vb2_fop_poll, | |
1143 | .mmap = vb2_fop_mmap, | |
1144 | .read = vb2_fop_read, | |
1145 | }; | |
1146 | ||
1147 | static const struct v4l2_file_operations cobalt_out_fops = { | |
1148 | .owner = THIS_MODULE, | |
1149 | .open = v4l2_fh_open, | |
1150 | .unlocked_ioctl = video_ioctl2, | |
1151 | .release = vb2_fop_release, | |
1152 | .poll = vb2_fop_poll, | |
1153 | .mmap = vb2_fop_mmap, | |
1154 | .write = vb2_fop_write, | |
1155 | }; | |
1156 | ||
1157 | static const struct v4l2_file_operations cobalt_empty_fops = { | |
1158 | .owner = THIS_MODULE, | |
1159 | .open = v4l2_fh_open, | |
1160 | .unlocked_ioctl = video_ioctl2, | |
1161 | .release = v4l2_fh_release, | |
1162 | }; | |
1163 | ||
1164 | static int cobalt_node_register(struct cobalt *cobalt, int node) | |
1165 | { | |
1166 | static const struct v4l2_dv_timings dv1080p60 = | |
1167 | V4L2_DV_BT_CEA_1920X1080P60; | |
1168 | struct cobalt_stream *s = cobalt->streams + node; | |
1169 | struct video_device *vdev = &s->vdev; | |
1170 | struct vb2_queue *q = &s->q; | |
1171 | int ret; | |
1172 | ||
1173 | mutex_init(&s->lock); | |
1174 | spin_lock_init(&s->irqlock); | |
1175 | ||
1176 | snprintf(vdev->name, sizeof(vdev->name), | |
1177 | "%s-%d", cobalt->v4l2_dev.name, node); | |
1178 | s->width = 1920; | |
1179 | /* Audio frames are just 4 lines of 1920 bytes */ | |
1180 | s->height = s->is_audio ? 4 : 1080; | |
1181 | ||
1182 | if (s->is_audio) { | |
1183 | s->bpp = 1; | |
1184 | s->pixfmt = V4L2_PIX_FMT_GREY; | |
1185 | } else if (s->is_output) { | |
1186 | s->bpp = COBALT_BYTES_PER_PIXEL_RGB32; | |
1187 | s->pixfmt = V4L2_PIX_FMT_BGR32; | |
1188 | } else { | |
1189 | s->bpp = COBALT_BYTES_PER_PIXEL_YUYV; | |
1190 | s->pixfmt = V4L2_PIX_FMT_YUYV; | |
1191 | } | |
1192 | s->colorspace = V4L2_COLORSPACE_SRGB; | |
1193 | s->stride = s->width * s->bpp; | |
1194 | ||
1195 | if (!s->is_audio) { | |
1196 | if (s->is_dummy) | |
1197 | cobalt_warn("Setting up dummy video node %d\n", node); | |
1198 | vdev->v4l2_dev = &cobalt->v4l2_dev; | |
1199 | if (s->is_dummy) | |
1200 | vdev->fops = &cobalt_empty_fops; | |
1201 | else | |
1202 | vdev->fops = s->is_output ? &cobalt_out_fops : | |
1203 | &cobalt_fops; | |
1204 | vdev->release = video_device_release_empty; | |
1205 | vdev->vfl_dir = s->is_output ? VFL_DIR_TX : VFL_DIR_RX; | |
1206 | vdev->lock = &s->lock; | |
1207 | if (s->sd) | |
1208 | vdev->ctrl_handler = s->sd->ctrl_handler; | |
1209 | s->timings = dv1080p60; | |
1210 | v4l2_subdev_call(s->sd, video, s_dv_timings, &s->timings); | |
1211 | if (!s->is_output && s->sd) | |
1212 | cobalt_enable_input(s); | |
1213 | vdev->ioctl_ops = s->is_dummy ? &cobalt_ioctl_empty_ops : | |
1214 | &cobalt_ioctl_ops; | |
1215 | } | |
1216 | ||
1217 | INIT_LIST_HEAD(&s->bufs); | |
1218 | q->type = s->is_output ? V4L2_BUF_TYPE_VIDEO_OUTPUT : | |
1219 | V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1220 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1221 | q->io_modes |= s->is_output ? VB2_WRITE : VB2_READ; | |
1222 | q->drv_priv = s; | |
1223 | q->buf_struct_size = sizeof(struct cobalt_buffer); | |
1224 | q->ops = &cobalt_qops; | |
1225 | q->mem_ops = &vb2_dma_sg_memops; | |
1226 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1227 | q->min_buffers_needed = 2; | |
1228 | q->lock = &s->lock; | |
2bc46b3a | 1229 | q->dev = &cobalt->pci_dev->dev; |
85756a06 HV |
1230 | vdev->queue = q; |
1231 | ||
1232 | video_set_drvdata(vdev, s); | |
1233 | ret = vb2_queue_init(q); | |
1234 | if (!s->is_audio && ret == 0) | |
1235 | ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1); | |
1236 | else if (!s->is_dummy) | |
1237 | ret = cobalt_alsa_init(s); | |
1238 | ||
1239 | if (ret < 0) { | |
1240 | if (!s->is_audio) | |
1241 | cobalt_err("couldn't register v4l2 device node %d\n", | |
1242 | node); | |
1243 | return ret; | |
1244 | } | |
1245 | cobalt_info("registered node %d\n", node); | |
1246 | return 0; | |
1247 | } | |
1248 | ||
1249 | /* Initialize v4l2 variables and register v4l2 devices */ | |
1250 | int cobalt_nodes_register(struct cobalt *cobalt) | |
1251 | { | |
1252 | int node, ret; | |
1253 | ||
1254 | /* Setup V4L2 Devices */ | |
1255 | for (node = 0; node < COBALT_NUM_STREAMS; node++) { | |
1256 | ret = cobalt_node_register(cobalt, node); | |
1257 | if (ret) | |
1258 | return ret; | |
1259 | } | |
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | /* Unregister v4l2 devices */ | |
1264 | void cobalt_nodes_unregister(struct cobalt *cobalt) | |
1265 | { | |
1266 | int node; | |
1267 | ||
1268 | /* Teardown all streams */ | |
1269 | for (node = 0; node < COBALT_NUM_STREAMS; node++) { | |
1270 | struct cobalt_stream *s = cobalt->streams + node; | |
1271 | struct video_device *vdev = &s->vdev; | |
1272 | ||
1273 | if (!s->is_audio) | |
1274 | video_unregister_device(vdev); | |
1275 | else if (!s->is_dummy) | |
1276 | cobalt_alsa_exit(s); | |
1277 | } | |
1278 | } |