1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Driver for the Conexant CX23885 PCIe bridge
4 *
5 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
6 */
7
8 #include "cx23885.h"
9 #include "cx23885-video.h"
10
11 #include <linux/init.h>
12 #include <linux/list.h>
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/kmod.h>
16 #include <linux/kernel.h>
17 #include <linux/slab.h>
18 #include <linux/interrupt.h>
19 #include <linux/delay.h>
20 #include <linux/kthread.h>
21 #include <asm/div64.h>
22
23 #include <media/v4l2-common.h>
24 #include <media/v4l2-ioctl.h>
25 #include <media/v4l2-event.h>
26 #include "cx23885-ioctl.h"
27 #include "xc2028.h"
28
29 #include <media/drv-intf/cx25840.h>
30
31 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
32 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
33 MODULE_LICENSE("GPL");
34
35 /* ------------------------------------------------------------------ */
36
37 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
38 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
39
40 module_param_array(video_nr, int, NULL, 0444);
41 module_param_array(vbi_nr, int, NULL, 0444);
42
43 MODULE_PARM_DESC(video_nr, "video device numbers");
44 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
45
46 static unsigned int video_debug;
47 module_param(video_debug, int, 0644);
48 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
49
50 static unsigned int irq_debug;
51 module_param(irq_debug, int, 0644);
52 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
53
54 static unsigned int vid_limit = 16;
55 module_param(vid_limit, int, 0644);
56 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
57
58 #define dprintk(level, fmt, arg...)\
59 do { if (video_debug >= level)\
60 printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
61 __func__, ##arg); \
62 } while (0)
63
64 /* ------------------------------------------------------------------- */
65 /* static data */
66
67 #define FORMAT_FLAGS_PACKED 0x01
68 static struct cx23885_fmt formats[] = {
69 {
70 .fourcc = V4L2_PIX_FMT_YUYV,
71 .depth = 16,
72 .flags = FORMAT_FLAGS_PACKED,
73 }
74 };
75
format_by_fourcc(unsigned int fourcc)76 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
77 {
78 unsigned int i;
79
80 for (i = 0; i < ARRAY_SIZE(formats); i++)
81 if (formats[i].fourcc == fourcc)
82 return formats+i;
83 return NULL;
84 }
85
86 /* ------------------------------------------------------------------- */
87
cx23885_video_wakeup(struct cx23885_dev * dev,struct cx23885_dmaqueue * q,u32 count)88 void cx23885_video_wakeup(struct cx23885_dev *dev,
89 struct cx23885_dmaqueue *q, u32 count)
90 {
91 struct cx23885_buffer *buf;
92
93 if (list_empty(&q->active))
94 return;
95 buf = list_entry(q->active.next,
96 struct cx23885_buffer, queue);
97
98 buf->vb.sequence = q->count++;
99 buf->vb.vb2_buf.timestamp = ktime_get_ns();
100 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
101 buf->vb.vb2_buf.index, count, q->count);
102 list_del(&buf->queue);
103 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
104 }
105
cx23885_set_tvnorm(struct cx23885_dev * dev,v4l2_std_id norm)106 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
107 {
108 struct v4l2_subdev_format format = {
109 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
110 .format.code = MEDIA_BUS_FMT_FIXED,
111 };
112
113 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
114 __func__,
115 (unsigned int)norm,
116 v4l2_norm_to_name(norm));
117
118 if (dev->tvnorm == norm)
119 return 0;
120
121 if (dev->tvnorm != norm) {
122 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
123 vb2_is_busy(&dev->vb2_mpegq))
124 return -EBUSY;
125 }
126
127 dev->tvnorm = norm;
128 dev->width = 720;
129 dev->height = norm_maxh(norm);
130 dev->field = V4L2_FIELD_INTERLACED;
131
132 call_all(dev, video, s_std, norm);
133
134 format.format.width = dev->width;
135 format.format.height = dev->height;
136 format.format.field = dev->field;
137 call_all(dev, pad, set_fmt, NULL, &format);
138
139 return 0;
140 }
141
cx23885_vdev_init(struct cx23885_dev * dev,struct pci_dev * pci,struct video_device * template,char * type)142 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
143 struct pci_dev *pci,
144 struct video_device *template,
145 char *type)
146 {
147 struct video_device *vfd;
148 dprintk(1, "%s()\n", __func__);
149
150 vfd = video_device_alloc();
151 if (NULL == vfd)
152 return NULL;
153 *vfd = *template;
154 vfd->v4l2_dev = &dev->v4l2_dev;
155 vfd->release = video_device_release;
156 vfd->lock = &dev->lock;
157 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
158 cx23885_boards[dev->board].name, type);
159 video_set_drvdata(vfd, dev);
160 return vfd;
161 }
162
cx23885_flatiron_write(struct cx23885_dev * dev,u8 reg,u8 data)163 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
164 {
165 /* 8 bit registers, 8 bit values */
166 u8 buf[] = { reg, data };
167
168 struct i2c_msg msg = { .addr = 0x98 >> 1,
169 .flags = 0, .buf = buf, .len = 2 };
170
171 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
172 }
173
cx23885_flatiron_read(struct cx23885_dev * dev,u8 reg)174 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
175 {
176 /* 8 bit registers, 8 bit values */
177 int ret;
178 u8 b0[] = { reg };
179 u8 b1[] = { 0 };
180
181 struct i2c_msg msg[] = {
182 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
183 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
184 };
185
186 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
187 if (ret != 2)
188 pr_err("%s() error\n", __func__);
189
190 return b1[0];
191 }
192
cx23885_flatiron_dump(struct cx23885_dev * dev)193 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
194 {
195 int i;
196 dprintk(1, "Flatiron dump\n");
197 for (i = 0; i < 0x24; i++) {
198 dprintk(1, "FI[%02x] = %02x\n", i,
199 cx23885_flatiron_read(dev, i));
200 }
201 }
202
cx23885_flatiron_mux(struct cx23885_dev * dev,int input)203 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
204 {
205 u8 val;
206 dprintk(1, "%s(input = %d)\n", __func__, input);
207
208 if (input == 1)
209 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
210 else if (input == 2)
211 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
212 else
213 return -EINVAL;
214
215 val |= 0x20; /* Enable clock to delta-sigma and dec filter */
216
217 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
218
219 /* Wake up */
220 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
221
222 if (video_debug)
223 cx23885_flatiron_dump(dev);
224
225 return 0;
226 }
227
cx23885_video_mux(struct cx23885_dev * dev,unsigned int input)228 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
229 {
230 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
231 __func__,
232 input, INPUT(input)->vmux,
233 INPUT(input)->gpio0, INPUT(input)->gpio1,
234 INPUT(input)->gpio2, INPUT(input)->gpio3);
235 dev->input = input;
236
237 if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
238 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
239 dev->board == CX23885_BOARD_MYGICA_X8507) {
240 /* Select Analog TV */
241 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
242 cx23885_gpio_clear(dev, GPIO_0);
243 }
244
245 /* Tell the internal A/V decoder */
246 v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
247 INPUT(input)->vmux, 0, 0);
248
249 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
250 (dev->board == CX23885_BOARD_MPX885) ||
251 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
252 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
253 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
254 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
255 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
256 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC) ||
257 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
258 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
259 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
260 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
261 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
262 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
263 (dev->board == CX23885_BOARD_VIEWCAST_460E) ||
264 (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) {
265 /* Configure audio routing */
266 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
267 INPUT(input)->amux, 0, 0);
268
269 if (INPUT(input)->amux == CX25840_AUDIO7)
270 cx23885_flatiron_mux(dev, 1);
271 else if (INPUT(input)->amux == CX25840_AUDIO6)
272 cx23885_flatiron_mux(dev, 2);
273 }
274
275 return 0;
276 }
277
cx23885_audio_mux(struct cx23885_dev * dev,unsigned int input)278 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
279 {
280 dprintk(1, "%s(input=%d)\n", __func__, input);
281
282 /* The baseband video core of the cx23885 has two audio inputs.
283 * LR1 and LR2. In almost every single case so far only HVR1xxx
284 * cards we've only ever supported LR1. Time to support LR2,
285 * which is available via the optional white breakout header on
286 * the board.
287 * We'll use a could of existing enums in the card struct to allow
288 * devs to specify which baseband input they need, or just default
289 * to what we've always used.
290 */
291 if (INPUT(input)->amux == CX25840_AUDIO7)
292 cx23885_flatiron_mux(dev, 1);
293 else if (INPUT(input)->amux == CX25840_AUDIO6)
294 cx23885_flatiron_mux(dev, 2);
295 else {
296 /* Not specifically defined, assume the default. */
297 cx23885_flatiron_mux(dev, 1);
298 }
299
300 return 0;
301 }
302
303 /* ------------------------------------------------------------------ */
cx23885_start_video_dma(struct cx23885_dev * dev,struct cx23885_dmaqueue * q,struct cx23885_buffer * buf)304 static int cx23885_start_video_dma(struct cx23885_dev *dev,
305 struct cx23885_dmaqueue *q,
306 struct cx23885_buffer *buf)
307 {
308 dprintk(1, "%s()\n", __func__);
309
310 /* Stop the dma/fifo before we tamper with it's risc programs */
311 cx_clear(VID_A_DMA_CTL, 0x11);
312
313 /* setup fifo + format */
314 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
315 buf->bpl, buf->risc.dma);
316
317 /* reset counter */
318 cx_write(VID_A_GPCNT_CTL, 3);
319 q->count = 0;
320
321 /* enable irq */
322 cx23885_irq_add_enable(dev, 0x01);
323 cx_set(VID_A_INT_MSK, 0x000011);
324
325 /* start dma */
326 cx_set(DEV_CNTRL2, (1<<5));
327 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
328
329 return 0;
330 }
331
queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])332 static int queue_setup(struct vb2_queue *q,
333 unsigned int *num_buffers, unsigned int *num_planes,
334 unsigned int sizes[], struct device *alloc_devs[])
335 {
336 struct cx23885_dev *dev = q->drv_priv;
337
338 *num_planes = 1;
339 sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
340 return 0;
341 }
342
buffer_prepare(struct vb2_buffer * vb)343 static int buffer_prepare(struct vb2_buffer *vb)
344 {
345 int ret;
346 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
347 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
348 struct cx23885_buffer *buf =
349 container_of(vbuf, struct cx23885_buffer, vb);
350 u32 line0_offset, line1_offset;
351 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
352 int field_tff;
353
354 buf->bpl = (dev->width * dev->fmt->depth) >> 3;
355
356 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
357 return -EINVAL;
358 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
359
360 switch (dev->field) {
361 case V4L2_FIELD_TOP:
362 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
363 sgt->sgl, 0, UNSET,
364 buf->bpl, 0, dev->height);
365 break;
366 case V4L2_FIELD_BOTTOM:
367 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
368 sgt->sgl, UNSET, 0,
369 buf->bpl, 0, dev->height);
370 break;
371 case V4L2_FIELD_INTERLACED:
372 if (dev->tvnorm & V4L2_STD_525_60)
373 /* NTSC or */
374 field_tff = 1;
375 else
376 field_tff = 0;
377
378 if (cx23885_boards[dev->board].force_bff)
379 /* PAL / SECAM OR 888 in NTSC MODE */
380 field_tff = 0;
381
382 if (field_tff) {
383 /* cx25840 transmits NTSC bottom field first */
384 dprintk(1, "%s() Creating TFF/NTSC risc\n",
385 __func__);
386 line0_offset = buf->bpl;
387 line1_offset = 0;
388 } else {
389 /* All other formats are top field first */
390 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
391 __func__);
392 line0_offset = 0;
393 line1_offset = buf->bpl;
394 }
395 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
396 sgt->sgl, line0_offset,
397 line1_offset,
398 buf->bpl, buf->bpl,
399 dev->height >> 1);
400 break;
401 case V4L2_FIELD_SEQ_TB:
402 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
403 sgt->sgl,
404 0, buf->bpl * (dev->height >> 1),
405 buf->bpl, 0,
406 dev->height >> 1);
407 break;
408 case V4L2_FIELD_SEQ_BT:
409 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
410 sgt->sgl,
411 buf->bpl * (dev->height >> 1), 0,
412 buf->bpl, 0,
413 dev->height >> 1);
414 break;
415 default:
416 return -EINVAL; /* should not happen */
417 }
418 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
419 buf, buf->vb.vb2_buf.index,
420 dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc,
421 (unsigned long)buf->risc.dma);
422 return ret;
423 }
424
buffer_finish(struct vb2_buffer * vb)425 static void buffer_finish(struct vb2_buffer *vb)
426 {
427 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
428 struct cx23885_buffer *buf = container_of(vbuf,
429 struct cx23885_buffer, vb);
430
431 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
432 }
433
434 /*
435 * The risc program for each buffer works as follows: it starts with a simple
436 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
437 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
438 * the initial JUMP).
439 *
440 * This is the risc program of the first buffer to be queued if the active list
441 * is empty and it just keeps DMAing this buffer without generating any
442 * interrupts.
443 *
444 * If a new buffer is added then the initial JUMP in the code for that buffer
445 * will generate an interrupt which signals that the previous buffer has been
446 * DMAed successfully and that it can be returned to userspace.
447 *
448 * It also sets the final jump of the previous buffer to the start of the new
449 * buffer, thus chaining the new buffer into the DMA chain. This is a single
450 * atomic u32 write, so there is no race condition.
451 *
452 * The end-result of all this that you only get an interrupt when a buffer
453 * is ready, so the control flow is very easy.
454 */
buffer_queue(struct vb2_buffer * vb)455 static void buffer_queue(struct vb2_buffer *vb)
456 {
457 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
458 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
459 struct cx23885_buffer *buf = container_of(vbuf,
460 struct cx23885_buffer, vb);
461 struct cx23885_buffer *prev;
462 struct cx23885_dmaqueue *q = &dev->vidq;
463 unsigned long flags;
464
465 /* add jump to start */
466 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
467 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
468 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
469 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
470
471 spin_lock_irqsave(&dev->slock, flags);
472 if (list_empty(&q->active)) {
473 list_add_tail(&buf->queue, &q->active);
474 dprintk(2, "[%p/%d] buffer_queue - first active\n",
475 buf, buf->vb.vb2_buf.index);
476 } else {
477 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
478 prev = list_entry(q->active.prev, struct cx23885_buffer,
479 queue);
480 list_add_tail(&buf->queue, &q->active);
481 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
482 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
483 buf, buf->vb.vb2_buf.index);
484 }
485 spin_unlock_irqrestore(&dev->slock, flags);
486 }
487
cx23885_start_streaming(struct vb2_queue * q,unsigned int count)488 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
489 {
490 struct cx23885_dev *dev = q->drv_priv;
491 struct cx23885_dmaqueue *dmaq = &dev->vidq;
492 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
493 struct cx23885_buffer, queue);
494
495 cx23885_start_video_dma(dev, dmaq, buf);
496 return 0;
497 }
498
cx23885_stop_streaming(struct vb2_queue * q)499 static void cx23885_stop_streaming(struct vb2_queue *q)
500 {
501 struct cx23885_dev *dev = q->drv_priv;
502 struct cx23885_dmaqueue *dmaq = &dev->vidq;
503 unsigned long flags;
504
505 cx_clear(VID_A_DMA_CTL, 0x11);
506 spin_lock_irqsave(&dev->slock, flags);
507 while (!list_empty(&dmaq->active)) {
508 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
509 struct cx23885_buffer, queue);
510
511 list_del(&buf->queue);
512 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
513 }
514 spin_unlock_irqrestore(&dev->slock, flags);
515 }
516
517 static const struct vb2_ops cx23885_video_qops = {
518 .queue_setup = queue_setup,
519 .buf_prepare = buffer_prepare,
520 .buf_finish = buffer_finish,
521 .buf_queue = buffer_queue,
522 .wait_prepare = vb2_ops_wait_prepare,
523 .wait_finish = vb2_ops_wait_finish,
524 .start_streaming = cx23885_start_streaming,
525 .stop_streaming = cx23885_stop_streaming,
526 };
527
528 /* ------------------------------------------------------------------ */
529 /* VIDEO IOCTLS */
530
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)531 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
532 struct v4l2_format *f)
533 {
534 struct cx23885_dev *dev = video_drvdata(file);
535
536 f->fmt.pix.width = dev->width;
537 f->fmt.pix.height = dev->height;
538 f->fmt.pix.field = dev->field;
539 f->fmt.pix.pixelformat = dev->fmt->fourcc;
540 f->fmt.pix.bytesperline =
541 (f->fmt.pix.width * dev->fmt->depth) >> 3;
542 f->fmt.pix.sizeimage =
543 f->fmt.pix.height * f->fmt.pix.bytesperline;
544 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
545
546 return 0;
547 }
548
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)549 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
550 struct v4l2_format *f)
551 {
552 struct cx23885_dev *dev = video_drvdata(file);
553 struct cx23885_fmt *fmt;
554 enum v4l2_field field;
555 unsigned int maxw, maxh;
556
557 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
558 if (NULL == fmt)
559 return -EINVAL;
560
561 field = f->fmt.pix.field;
562 maxw = 720;
563 maxh = norm_maxh(dev->tvnorm);
564
565 if (V4L2_FIELD_ANY == field) {
566 field = (f->fmt.pix.height > maxh/2)
567 ? V4L2_FIELD_INTERLACED
568 : V4L2_FIELD_BOTTOM;
569 }
570
571 switch (field) {
572 case V4L2_FIELD_TOP:
573 case V4L2_FIELD_BOTTOM:
574 maxh = maxh / 2;
575 break;
576 case V4L2_FIELD_INTERLACED:
577 case V4L2_FIELD_SEQ_TB:
578 case V4L2_FIELD_SEQ_BT:
579 break;
580 default:
581 field = V4L2_FIELD_INTERLACED;
582 break;
583 }
584
585 f->fmt.pix.field = field;
586 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
587 &f->fmt.pix.height, 32, maxh, 0, 0);
588 f->fmt.pix.bytesperline =
589 (f->fmt.pix.width * fmt->depth) >> 3;
590 f->fmt.pix.sizeimage =
591 f->fmt.pix.height * f->fmt.pix.bytesperline;
592 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
593
594 return 0;
595 }
596
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)597 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
598 struct v4l2_format *f)
599 {
600 struct cx23885_dev *dev = video_drvdata(file);
601 struct v4l2_subdev_format format = {
602 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
603 };
604 int err;
605
606 dprintk(2, "%s()\n", __func__);
607 err = vidioc_try_fmt_vid_cap(file, priv, f);
608
609 if (0 != err)
610 return err;
611
612 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
613 vb2_is_busy(&dev->vb2_mpegq))
614 return -EBUSY;
615
616 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
617 dev->width = f->fmt.pix.width;
618 dev->height = f->fmt.pix.height;
619 dev->field = f->fmt.pix.field;
620 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
621 dev->width, dev->height, dev->field);
622 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
623 call_all(dev, pad, set_fmt, NULL, &format);
624 v4l2_fill_pix_format(&f->fmt.pix, &format.format);
625 /* set_fmt overwrites f->fmt.pix.field, restore it */
626 f->fmt.pix.field = dev->field;
627 return 0;
628 }
629
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)630 static int vidioc_querycap(struct file *file, void *priv,
631 struct v4l2_capability *cap)
632 {
633 struct cx23885_dev *dev = video_drvdata(file);
634
635 strscpy(cap->driver, "cx23885", sizeof(cap->driver));
636 strscpy(cap->card, cx23885_boards[dev->board].name,
637 sizeof(cap->card));
638 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
639 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
640 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE |
641 V4L2_CAP_VIDEO_CAPTURE |
642 V4L2_CAP_DEVICE_CAPS;
643 switch (dev->board) { /* i2c device tuners */
644 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
645 case CX23885_BOARD_HAUPPAUGE_HVR5525:
646 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
647 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
648 cap->capabilities |= V4L2_CAP_TUNER;
649 break;
650 default:
651 if (dev->tuner_type != TUNER_ABSENT)
652 cap->capabilities |= V4L2_CAP_TUNER;
653 break;
654 }
655 return 0;
656 }
657
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)658 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
659 struct v4l2_fmtdesc *f)
660 {
661 if (unlikely(f->index >= ARRAY_SIZE(formats)))
662 return -EINVAL;
663
664 f->pixelformat = formats[f->index].fourcc;
665
666 return 0;
667 }
668
vidioc_g_pixelaspect(struct file * file,void * priv,int type,struct v4l2_fract * f)669 static int vidioc_g_pixelaspect(struct file *file, void *priv,
670 int type, struct v4l2_fract *f)
671 {
672 struct cx23885_dev *dev = video_drvdata(file);
673 bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
674
675 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
676 return -EINVAL;
677
678 f->numerator = is_50hz ? 54 : 11;
679 f->denominator = is_50hz ? 59 : 10;
680
681 return 0;
682 }
683
vidioc_g_selection(struct file * file,void * fh,struct v4l2_selection * sel)684 static int vidioc_g_selection(struct file *file, void *fh,
685 struct v4l2_selection *sel)
686 {
687 struct cx23885_dev *dev = video_drvdata(file);
688
689 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
690 return -EINVAL;
691
692 switch (sel->target) {
693 case V4L2_SEL_TGT_CROP_BOUNDS:
694 case V4L2_SEL_TGT_CROP_DEFAULT:
695 sel->r.top = 0;
696 sel->r.left = 0;
697 sel->r.width = 720;
698 sel->r.height = norm_maxh(dev->tvnorm);
699 break;
700 default:
701 return -EINVAL;
702 }
703 return 0;
704 }
705
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * id)706 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
707 {
708 struct cx23885_dev *dev = video_drvdata(file);
709 dprintk(1, "%s()\n", __func__);
710
711 *id = dev->tvnorm;
712 return 0;
713 }
714
vidioc_s_std(struct file * file,void * priv,v4l2_std_id tvnorms)715 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
716 {
717 struct cx23885_dev *dev = video_drvdata(file);
718 dprintk(1, "%s()\n", __func__);
719
720 return cx23885_set_tvnorm(dev, tvnorms);
721 }
722
cx23885_enum_input(struct cx23885_dev * dev,struct v4l2_input * i)723 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
724 {
725 static const char *iname[] = {
726 [CX23885_VMUX_COMPOSITE1] = "Composite1",
727 [CX23885_VMUX_COMPOSITE2] = "Composite2",
728 [CX23885_VMUX_COMPOSITE3] = "Composite3",
729 [CX23885_VMUX_COMPOSITE4] = "Composite4",
730 [CX23885_VMUX_SVIDEO] = "S-Video",
731 [CX23885_VMUX_COMPONENT] = "Component",
732 [CX23885_VMUX_TELEVISION] = "Television",
733 [CX23885_VMUX_CABLE] = "Cable TV",
734 [CX23885_VMUX_DVB] = "DVB",
735 [CX23885_VMUX_DEBUG] = "for debug only",
736 };
737 unsigned int n;
738 dprintk(1, "%s()\n", __func__);
739
740 n = i->index;
741 if (n >= MAX_CX23885_INPUT)
742 return -EINVAL;
743
744 if (0 == INPUT(n)->type)
745 return -EINVAL;
746
747 i->index = n;
748 i->type = V4L2_INPUT_TYPE_CAMERA;
749 strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
750 i->std = CX23885_NORMS;
751 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
752 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
753 i->type = V4L2_INPUT_TYPE_TUNER;
754 i->audioset = 4;
755 } else {
756 /* Two selectable audio inputs for non-tv inputs */
757 i->audioset = 3;
758 }
759
760 if (dev->input == n) {
761 /* enum'd input matches our configured input.
762 * Ask the video decoder to process the call
763 * and give it an oppertunity to update the
764 * status field.
765 */
766 call_all(dev, video, g_input_status, &i->status);
767 }
768
769 return 0;
770 }
771
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)772 static int vidioc_enum_input(struct file *file, void *priv,
773 struct v4l2_input *i)
774 {
775 struct cx23885_dev *dev = video_drvdata(file);
776 dprintk(1, "%s()\n", __func__);
777 return cx23885_enum_input(dev, i);
778 }
779
cx23885_get_input(struct file * file,void * priv,unsigned int * i)780 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
781 {
782 struct cx23885_dev *dev = video_drvdata(file);
783
784 *i = dev->input;
785 dprintk(1, "%s() returns %d\n", __func__, *i);
786 return 0;
787 }
788
vidioc_g_input(struct file * file,void * priv,unsigned int * i)789 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
790 {
791 return cx23885_get_input(file, priv, i);
792 }
793
cx23885_set_input(struct file * file,void * priv,unsigned int i)794 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
795 {
796 struct cx23885_dev *dev = video_drvdata(file);
797
798 dprintk(1, "%s(%d)\n", __func__, i);
799
800 if (i >= MAX_CX23885_INPUT) {
801 dprintk(1, "%s() -EINVAL\n", __func__);
802 return -EINVAL;
803 }
804
805 if (INPUT(i)->type == 0)
806 return -EINVAL;
807
808 cx23885_video_mux(dev, i);
809
810 /* By default establish the default audio input for the card also */
811 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
812 cx23885_audio_mux(dev, i);
813 return 0;
814 }
815
vidioc_s_input(struct file * file,void * priv,unsigned int i)816 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
817 {
818 return cx23885_set_input(file, priv, i);
819 }
820
vidioc_log_status(struct file * file,void * priv)821 static int vidioc_log_status(struct file *file, void *priv)
822 {
823 struct cx23885_dev *dev = video_drvdata(file);
824
825 call_all(dev, core, log_status);
826 return 0;
827 }
828
cx23885_query_audinput(struct file * file,void * priv,struct v4l2_audio * i)829 static int cx23885_query_audinput(struct file *file, void *priv,
830 struct v4l2_audio *i)
831 {
832 static const char *iname[] = {
833 [0] = "Baseband L/R 1",
834 [1] = "Baseband L/R 2",
835 [2] = "TV",
836 };
837 unsigned int n;
838 dprintk(1, "%s()\n", __func__);
839
840 n = i->index;
841 if (n >= 3)
842 return -EINVAL;
843
844 memset(i, 0, sizeof(*i));
845 i->index = n;
846 strscpy(i->name, iname[n], sizeof(i->name));
847 i->capability = V4L2_AUDCAP_STEREO;
848 return 0;
849
850 }
851
vidioc_enum_audinput(struct file * file,void * priv,struct v4l2_audio * i)852 static int vidioc_enum_audinput(struct file *file, void *priv,
853 struct v4l2_audio *i)
854 {
855 return cx23885_query_audinput(file, priv, i);
856 }
857
vidioc_g_audinput(struct file * file,void * priv,struct v4l2_audio * i)858 static int vidioc_g_audinput(struct file *file, void *priv,
859 struct v4l2_audio *i)
860 {
861 struct cx23885_dev *dev = video_drvdata(file);
862
863 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
864 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
865 i->index = 2;
866 else
867 i->index = dev->audinput;
868 dprintk(1, "%s(input=%d)\n", __func__, i->index);
869
870 return cx23885_query_audinput(file, priv, i);
871 }
872
vidioc_s_audinput(struct file * file,void * priv,const struct v4l2_audio * i)873 static int vidioc_s_audinput(struct file *file, void *priv,
874 const struct v4l2_audio *i)
875 {
876 struct cx23885_dev *dev = video_drvdata(file);
877
878 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
879 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
880 return i->index != 2 ? -EINVAL : 0;
881 }
882 if (i->index > 1)
883 return -EINVAL;
884
885 dprintk(1, "%s(%d)\n", __func__, i->index);
886
887 dev->audinput = i->index;
888
889 /* Skip the audio defaults from the cards struct, caller wants
890 * directly touch the audio mux hardware. */
891 cx23885_flatiron_mux(dev, dev->audinput + 1);
892 return 0;
893 }
894
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)895 static int vidioc_g_tuner(struct file *file, void *priv,
896 struct v4l2_tuner *t)
897 {
898 struct cx23885_dev *dev = video_drvdata(file);
899
900 switch (dev->board) { /* i2c device tuners */
901 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
902 case CX23885_BOARD_HAUPPAUGE_HVR5525:
903 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
904 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
905 break;
906 default:
907 if (dev->tuner_type == TUNER_ABSENT)
908 return -EINVAL;
909 break;
910 }
911 if (0 != t->index)
912 return -EINVAL;
913
914 strscpy(t->name, "Television", sizeof(t->name));
915
916 call_all(dev, tuner, g_tuner, t);
917 return 0;
918 }
919
vidioc_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)920 static int vidioc_s_tuner(struct file *file, void *priv,
921 const struct v4l2_tuner *t)
922 {
923 struct cx23885_dev *dev = video_drvdata(file);
924
925 switch (dev->board) { /* i2c device tuners */
926 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
927 case CX23885_BOARD_HAUPPAUGE_HVR5525:
928 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
929 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
930 break;
931 default:
932 if (dev->tuner_type == TUNER_ABSENT)
933 return -EINVAL;
934 break;
935 }
936 if (0 != t->index)
937 return -EINVAL;
938 /* Update the A/V core */
939 call_all(dev, tuner, s_tuner, t);
940
941 return 0;
942 }
943
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)944 static int vidioc_g_frequency(struct file *file, void *priv,
945 struct v4l2_frequency *f)
946 {
947 struct cx23885_dev *dev = video_drvdata(file);
948
949 switch (dev->board) { /* i2c device tuners */
950 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
951 case CX23885_BOARD_HAUPPAUGE_HVR5525:
952 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
953 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
954 break;
955 default:
956 if (dev->tuner_type == TUNER_ABSENT)
957 return -EINVAL;
958 break;
959 }
960 f->type = V4L2_TUNER_ANALOG_TV;
961 f->frequency = dev->freq;
962
963 call_all(dev, tuner, g_frequency, f);
964
965 return 0;
966 }
967
cx23885_set_freq(struct cx23885_dev * dev,const struct v4l2_frequency * f)968 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
969 {
970 struct v4l2_ctrl *mute;
971 int old_mute_val = 1;
972
973 switch (dev->board) { /* i2c device tuners */
974 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
975 case CX23885_BOARD_HAUPPAUGE_HVR5525:
976 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
977 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
978 break;
979 default:
980 if (dev->tuner_type == TUNER_ABSENT)
981 return -EINVAL;
982 break;
983 }
984 if (unlikely(f->tuner != 0))
985 return -EINVAL;
986
987 dev->freq = f->frequency;
988
989 /* I need to mute audio here */
990 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
991 if (mute) {
992 old_mute_val = v4l2_ctrl_g_ctrl(mute);
993 if (!old_mute_val)
994 v4l2_ctrl_s_ctrl(mute, 1);
995 }
996
997 call_all(dev, tuner, s_frequency, f);
998
999 /* When changing channels it is required to reset TVAUDIO */
1000 msleep(100);
1001
1002 /* I need to unmute audio here */
1003 if (old_mute_val == 0)
1004 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1005
1006 return 0;
1007 }
1008
cx23885_set_freq_via_ops(struct cx23885_dev * dev,const struct v4l2_frequency * f)1009 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
1010 const struct v4l2_frequency *f)
1011 {
1012 struct v4l2_ctrl *mute;
1013 int old_mute_val = 1;
1014 struct vb2_dvb_frontend *vfe;
1015 struct dvb_frontend *fe;
1016
1017 struct analog_parameters params = {
1018 .mode = V4L2_TUNER_ANALOG_TV,
1019 .audmode = V4L2_TUNER_MODE_STEREO,
1020 .std = dev->tvnorm,
1021 .frequency = f->frequency
1022 };
1023
1024 dev->freq = f->frequency;
1025
1026 /* I need to mute audio here */
1027 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1028 if (mute) {
1029 old_mute_val = v4l2_ctrl_g_ctrl(mute);
1030 if (!old_mute_val)
1031 v4l2_ctrl_s_ctrl(mute, 1);
1032 }
1033
1034 /* If HVR1850 */
1035 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
1036 params.frequency, f->tuner, params.std);
1037
1038 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
1039 if (!vfe) {
1040 return -EINVAL;
1041 }
1042
1043 fe = vfe->dvb.frontend;
1044
1045 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
1046 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
1047 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
1048 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
1049 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
1050 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
1051 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC))
1052 fe = &dev->ts1.analog_fe;
1053
1054 if (fe && fe->ops.tuner_ops.set_analog_params) {
1055 call_all(dev, video, s_std, dev->tvnorm);
1056 fe->ops.tuner_ops.set_analog_params(fe, ¶ms);
1057 }
1058 else
1059 pr_err("%s() No analog tuner, aborting\n", __func__);
1060
1061 /* When changing channels it is required to reset TVAUDIO */
1062 msleep(100);
1063
1064 /* I need to unmute audio here */
1065 if (old_mute_val == 0)
1066 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1067
1068 return 0;
1069 }
1070
cx23885_set_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)1071 int cx23885_set_frequency(struct file *file, void *priv,
1072 const struct v4l2_frequency *f)
1073 {
1074 struct cx23885_dev *dev = video_drvdata(file);
1075 int ret;
1076
1077 switch (dev->board) {
1078 case CX23885_BOARD_HAUPPAUGE_HVR1255:
1079 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1080 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1081 case CX23885_BOARD_HAUPPAUGE_HVR1850:
1082 case CX23885_BOARD_HAUPPAUGE_HVR5525:
1083 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1084 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1085 ret = cx23885_set_freq_via_ops(dev, f);
1086 break;
1087 default:
1088 ret = cx23885_set_freq(dev, f);
1089 }
1090
1091 return ret;
1092 }
1093
vidioc_s_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)1094 static int vidioc_s_frequency(struct file *file, void *priv,
1095 const struct v4l2_frequency *f)
1096 {
1097 return cx23885_set_frequency(file, priv, f);
1098 }
1099
1100 /* ----------------------------------------------------------- */
1101
cx23885_video_irq(struct cx23885_dev * dev,u32 status)1102 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1103 {
1104 u32 mask, count;
1105 int handled = 0;
1106
1107 mask = cx_read(VID_A_INT_MSK);
1108 if (0 == (status & mask))
1109 return handled;
1110
1111 cx_write(VID_A_INT_STAT, status);
1112
1113 /* risc op code error, fifo overflow or line sync detection error */
1114 if ((status & VID_BC_MSK_OPC_ERR) ||
1115 (status & VID_BC_MSK_SYNC) ||
1116 (status & VID_BC_MSK_OF)) {
1117
1118 if (status & VID_BC_MSK_OPC_ERR) {
1119 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1120 VID_BC_MSK_OPC_ERR);
1121 pr_warn("%s: video risc op code error\n",
1122 dev->name);
1123 cx23885_sram_channel_dump(dev,
1124 &dev->sram_channels[SRAM_CH01]);
1125 }
1126
1127 if (status & VID_BC_MSK_SYNC)
1128 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1129 VID_BC_MSK_SYNC);
1130
1131 if (status & VID_BC_MSK_OF)
1132 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1133 VID_BC_MSK_OF);
1134
1135 }
1136
1137 /* Video */
1138 if (status & VID_BC_MSK_RISCI1) {
1139 spin_lock(&dev->slock);
1140 count = cx_read(VID_A_GPCNT);
1141 cx23885_video_wakeup(dev, &dev->vidq, count);
1142 spin_unlock(&dev->slock);
1143 handled++;
1144 }
1145
1146 /* Allow the VBI framework to process it's payload */
1147 handled += cx23885_vbi_irq(dev, status);
1148
1149 return handled;
1150 }
1151
1152 /* ----------------------------------------------------------- */
1153 /* exported stuff */
1154
1155 static const struct v4l2_file_operations video_fops = {
1156 .owner = THIS_MODULE,
1157 .open = v4l2_fh_open,
1158 .release = vb2_fop_release,
1159 .read = vb2_fop_read,
1160 .poll = vb2_fop_poll,
1161 .unlocked_ioctl = video_ioctl2,
1162 .mmap = vb2_fop_mmap,
1163 };
1164
1165 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1166 .vidioc_querycap = vidioc_querycap,
1167 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1168 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1169 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1170 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1171 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1172 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1173 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1174 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1175 .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
1176 .vidioc_querybuf = vb2_ioctl_querybuf,
1177 .vidioc_qbuf = vb2_ioctl_qbuf,
1178 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1179 .vidioc_streamon = vb2_ioctl_streamon,
1180 .vidioc_streamoff = vb2_ioctl_streamoff,
1181 .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
1182 .vidioc_g_selection = vidioc_g_selection,
1183 .vidioc_s_std = vidioc_s_std,
1184 .vidioc_g_std = vidioc_g_std,
1185 .vidioc_enum_input = vidioc_enum_input,
1186 .vidioc_g_input = vidioc_g_input,
1187 .vidioc_s_input = vidioc_s_input,
1188 .vidioc_log_status = vidioc_log_status,
1189 .vidioc_g_tuner = vidioc_g_tuner,
1190 .vidioc_s_tuner = vidioc_s_tuner,
1191 .vidioc_g_frequency = vidioc_g_frequency,
1192 .vidioc_s_frequency = vidioc_s_frequency,
1193 #ifdef CONFIG_VIDEO_ADV_DEBUG
1194 .vidioc_g_chip_info = cx23885_g_chip_info,
1195 .vidioc_g_register = cx23885_g_register,
1196 .vidioc_s_register = cx23885_s_register,
1197 #endif
1198 .vidioc_enumaudio = vidioc_enum_audinput,
1199 .vidioc_g_audio = vidioc_g_audinput,
1200 .vidioc_s_audio = vidioc_s_audinput,
1201 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1202 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1203 };
1204
1205 static struct video_device cx23885_vbi_template;
1206 static struct video_device cx23885_video_template = {
1207 .name = "cx23885-video",
1208 .fops = &video_fops,
1209 .ioctl_ops = &video_ioctl_ops,
1210 .tvnorms = CX23885_NORMS,
1211 };
1212
cx23885_video_unregister(struct cx23885_dev * dev)1213 void cx23885_video_unregister(struct cx23885_dev *dev)
1214 {
1215 dprintk(1, "%s()\n", __func__);
1216 cx23885_irq_remove(dev, 0x01);
1217
1218 if (dev->vbi_dev) {
1219 if (video_is_registered(dev->vbi_dev))
1220 video_unregister_device(dev->vbi_dev);
1221 else
1222 video_device_release(dev->vbi_dev);
1223 dev->vbi_dev = NULL;
1224 }
1225 if (dev->video_dev) {
1226 if (video_is_registered(dev->video_dev))
1227 video_unregister_device(dev->video_dev);
1228 else
1229 video_device_release(dev->video_dev);
1230 dev->video_dev = NULL;
1231 }
1232
1233 if (dev->audio_dev)
1234 cx23885_audio_unregister(dev);
1235 }
1236
cx23885_video_register(struct cx23885_dev * dev)1237 int cx23885_video_register(struct cx23885_dev *dev)
1238 {
1239 struct vb2_queue *q;
1240 int err;
1241
1242 dprintk(1, "%s()\n", __func__);
1243
1244 /* Initialize VBI template */
1245 cx23885_vbi_template = cx23885_video_template;
1246 strscpy(cx23885_vbi_template.name, "cx23885-vbi",
1247 sizeof(cx23885_vbi_template.name));
1248
1249 dev->tvnorm = V4L2_STD_NTSC_M;
1250 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1251 dev->field = V4L2_FIELD_INTERLACED;
1252 dev->width = 720;
1253 dev->height = norm_maxh(dev->tvnorm);
1254
1255 /* init video dma queues */
1256 INIT_LIST_HEAD(&dev->vidq.active);
1257
1258 /* init vbi dma queues */
1259 INIT_LIST_HEAD(&dev->vbiq.active);
1260
1261 cx23885_irq_add_enable(dev, 0x01);
1262
1263 if ((TUNER_ABSENT != dev->tuner_type) &&
1264 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1265 struct v4l2_subdev *sd = NULL;
1266
1267 if (dev->tuner_addr)
1268 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1269 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1270 "tuner", dev->tuner_addr, NULL);
1271 else
1272 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1273 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1274 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1275 if (sd) {
1276 struct tuner_setup tun_setup;
1277
1278 memset(&tun_setup, 0, sizeof(tun_setup));
1279 tun_setup.mode_mask = T_ANALOG_TV;
1280 tun_setup.type = dev->tuner_type;
1281 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1282 tun_setup.tuner_callback = cx23885_tuner_callback;
1283
1284 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1285
1286 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1287 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1288 struct xc2028_ctrl ctrl = {
1289 .fname = XC2028_DEFAULT_FIRMWARE,
1290 .max_len = 64
1291 };
1292 struct v4l2_priv_tun_config cfg = {
1293 .tuner = dev->tuner_type,
1294 .priv = &ctrl
1295 };
1296 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1297 }
1298
1299 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1300 struct xc2028_ctrl ctrl = {
1301 .fname = "xc3028L-v36.fw",
1302 .max_len = 64
1303 };
1304 struct v4l2_priv_tun_config cfg = {
1305 .tuner = dev->tuner_type,
1306 .priv = &ctrl
1307 };
1308 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1309 }
1310 }
1311 }
1312
1313 /* initial device configuration */
1314 mutex_lock(&dev->lock);
1315 cx23885_set_tvnorm(dev, dev->tvnorm);
1316 cx23885_video_mux(dev, 0);
1317 cx23885_audio_mux(dev, 0);
1318 mutex_unlock(&dev->lock);
1319
1320 q = &dev->vb2_vidq;
1321 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1322 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1323 q->gfp_flags = GFP_DMA32;
1324 q->min_buffers_needed = 2;
1325 q->drv_priv = dev;
1326 q->buf_struct_size = sizeof(struct cx23885_buffer);
1327 q->ops = &cx23885_video_qops;
1328 q->mem_ops = &vb2_dma_sg_memops;
1329 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1330 q->lock = &dev->lock;
1331 q->dev = &dev->pci->dev;
1332
1333 err = vb2_queue_init(q);
1334 if (err < 0)
1335 goto fail_unreg;
1336
1337 q = &dev->vb2_vbiq;
1338 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1339 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1340 q->gfp_flags = GFP_DMA32;
1341 q->min_buffers_needed = 2;
1342 q->drv_priv = dev;
1343 q->buf_struct_size = sizeof(struct cx23885_buffer);
1344 q->ops = &cx23885_vbi_qops;
1345 q->mem_ops = &vb2_dma_sg_memops;
1346 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1347 q->lock = &dev->lock;
1348 q->dev = &dev->pci->dev;
1349
1350 err = vb2_queue_init(q);
1351 if (err < 0)
1352 goto fail_unreg;
1353
1354 /* register Video device */
1355 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1356 &cx23885_video_template, "video");
1357 if (!dev->video_dev) {
1358 err = -ENOMEM;
1359 goto fail_unreg;
1360 }
1361 dev->video_dev->queue = &dev->vb2_vidq;
1362 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1363 V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE;
1364 switch (dev->board) { /* i2c device tuners */
1365 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1366 case CX23885_BOARD_HAUPPAUGE_HVR5525:
1367 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1368 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1369 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1370 break;
1371 default:
1372 if (dev->tuner_type != TUNER_ABSENT)
1373 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1374 }
1375
1376 err = video_register_device(dev->video_dev, VFL_TYPE_VIDEO,
1377 video_nr[dev->nr]);
1378 if (err < 0) {
1379 pr_info("%s: can't register video device\n",
1380 dev->name);
1381 goto fail_unreg;
1382 }
1383 pr_info("%s: registered device %s [v4l2]\n",
1384 dev->name, video_device_node_name(dev->video_dev));
1385
1386 /* register VBI device */
1387 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1388 &cx23885_vbi_template, "vbi");
1389 if (!dev->vbi_dev) {
1390 err = -ENOMEM;
1391 goto fail_unreg;
1392 }
1393 dev->vbi_dev->queue = &dev->vb2_vbiq;
1394 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1395 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE;
1396 switch (dev->board) { /* i2c device tuners */
1397 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1398 case CX23885_BOARD_HAUPPAUGE_HVR5525:
1399 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1400 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1401 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1402 break;
1403 default:
1404 if (dev->tuner_type != TUNER_ABSENT)
1405 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1406 }
1407 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1408 vbi_nr[dev->nr]);
1409 if (err < 0) {
1410 pr_info("%s: can't register vbi device\n",
1411 dev->name);
1412 goto fail_unreg;
1413 }
1414 pr_info("%s: registered device %s\n",
1415 dev->name, video_device_node_name(dev->vbi_dev));
1416
1417 /* Register ALSA audio device */
1418 dev->audio_dev = cx23885_audio_register(dev);
1419
1420 return 0;
1421
1422 fail_unreg:
1423 cx23885_video_unregister(dev);
1424 return err;
1425 }
1426