2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
18 #include <linux/init.h>
19 #include <linux/list.h>
20 #include <linux/module.h>
21 #include <linux/moduleparam.h>
22 #include <linux/kmod.h>
23 #include <linux/kernel.h>
24 #include <linux/slab.h>
25 #include <linux/interrupt.h>
26 #include <linux/delay.h>
27 #include <linux/kthread.h>
28 #include <asm/div64.h>
31 #include "cx23885-video.h"
32 #include <media/v4l2-common.h>
33 #include <media/v4l2-ioctl.h>
34 #include <media/v4l2-event.h>
35 #include "cx23885-ioctl.h"
36 #include "tuner-xc2028.h"
38 #include <media/drv-intf/cx25840.h>
40 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
41 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
42 MODULE_LICENSE("GPL");
44 /* ------------------------------------------------------------------ */
46 static unsigned int video_nr
[] = {[0 ... (CX23885_MAXBOARDS
- 1)] = UNSET
};
47 static unsigned int vbi_nr
[] = {[0 ... (CX23885_MAXBOARDS
- 1)] = UNSET
};
49 module_param_array(video_nr
, int, NULL
, 0444);
50 module_param_array(vbi_nr
, int, NULL
, 0444);
52 MODULE_PARM_DESC(video_nr
, "video device numbers");
53 MODULE_PARM_DESC(vbi_nr
, "vbi device numbers");
55 static unsigned int video_debug
;
56 module_param(video_debug
, int, 0644);
57 MODULE_PARM_DESC(video_debug
, "enable debug messages [video]");
59 static unsigned int irq_debug
;
60 module_param(irq_debug
, int, 0644);
61 MODULE_PARM_DESC(irq_debug
, "enable debug messages [IRQ handler]");
63 static unsigned int vid_limit
= 16;
64 module_param(vid_limit
, int, 0644);
65 MODULE_PARM_DESC(vid_limit
, "capture memory limit in megabytes");
67 #define dprintk(level, fmt, arg...)\
68 do { if (video_debug >= level)\
69 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
72 /* ------------------------------------------------------------------- */
75 #define FORMAT_FLAGS_PACKED 0x01
76 static struct cx23885_fmt formats
[] = {
78 .name
= "4:2:2, packed, YUYV",
79 .fourcc
= V4L2_PIX_FMT_YUYV
,
81 .flags
= FORMAT_FLAGS_PACKED
,
85 static struct cx23885_fmt
*format_by_fourcc(unsigned int fourcc
)
89 for (i
= 0; i
< ARRAY_SIZE(formats
); i
++)
90 if (formats
[i
].fourcc
== fourcc
)
95 /* ------------------------------------------------------------------- */
97 void cx23885_video_wakeup(struct cx23885_dev
*dev
,
98 struct cx23885_dmaqueue
*q
, u32 count
)
100 struct cx23885_buffer
*buf
;
102 if (list_empty(&q
->active
))
104 buf
= list_entry(q
->active
.next
,
105 struct cx23885_buffer
, queue
);
107 buf
->vb
.sequence
= q
->count
++;
108 buf
->vb
.vb2_buf
.timestamp
= ktime_get_ns();
109 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf
,
110 buf
->vb
.vb2_buf
.index
, count
, q
->count
);
111 list_del(&buf
->queue
);
112 vb2_buffer_done(&buf
->vb
.vb2_buf
, VB2_BUF_STATE_DONE
);
115 int cx23885_set_tvnorm(struct cx23885_dev
*dev
, v4l2_std_id norm
)
117 struct v4l2_subdev_format format
= {
118 .which
= V4L2_SUBDEV_FORMAT_ACTIVE
,
119 .format
.code
= MEDIA_BUS_FMT_FIXED
,
122 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
125 v4l2_norm_to_name(norm
));
127 if (dev
->tvnorm
== norm
)
130 if (dev
->tvnorm
!= norm
) {
131 if (vb2_is_busy(&dev
->vb2_vidq
) || vb2_is_busy(&dev
->vb2_vbiq
) ||
132 vb2_is_busy(&dev
->vb2_mpegq
))
138 dev
->height
= norm_maxh(norm
);
139 dev
->field
= V4L2_FIELD_INTERLACED
;
141 call_all(dev
, video
, s_std
, norm
);
143 format
.format
.width
= dev
->width
;
144 format
.format
.height
= dev
->height
;
145 format
.format
.field
= dev
->field
;
146 call_all(dev
, pad
, set_fmt
, NULL
, &format
);
151 static struct video_device
*cx23885_vdev_init(struct cx23885_dev
*dev
,
153 struct video_device
*template,
156 struct video_device
*vfd
;
157 dprintk(1, "%s()\n", __func__
);
159 vfd
= video_device_alloc();
163 vfd
->v4l2_dev
= &dev
->v4l2_dev
;
164 vfd
->release
= video_device_release
;
165 vfd
->lock
= &dev
->lock
;
166 snprintf(vfd
->name
, sizeof(vfd
->name
), "%s (%s)",
167 cx23885_boards
[dev
->board
].name
, type
);
168 video_set_drvdata(vfd
, dev
);
172 int cx23885_flatiron_write(struct cx23885_dev
*dev
, u8 reg
, u8 data
)
174 /* 8 bit registers, 8 bit values */
175 u8 buf
[] = { reg
, data
};
177 struct i2c_msg msg
= { .addr
= 0x98 >> 1,
178 .flags
= 0, .buf
= buf
, .len
= 2 };
180 return i2c_transfer(&dev
->i2c_bus
[2].i2c_adap
, &msg
, 1);
183 u8
cx23885_flatiron_read(struct cx23885_dev
*dev
, u8 reg
)
185 /* 8 bit registers, 8 bit values */
190 struct i2c_msg msg
[] = {
191 { .addr
= 0x98 >> 1, .flags
= 0, .buf
= b0
, .len
= 1 },
192 { .addr
= 0x98 >> 1, .flags
= I2C_M_RD
, .buf
= b1
, .len
= 1 }
195 ret
= i2c_transfer(&dev
->i2c_bus
[2].i2c_adap
, &msg
[0], 2);
197 printk(KERN_ERR
"%s() error\n", __func__
);
202 static void cx23885_flatiron_dump(struct cx23885_dev
*dev
)
205 dprintk(1, "Flatiron dump\n");
206 for (i
= 0; i
< 0x24; i
++) {
207 dprintk(1, "FI[%02x] = %02x\n", i
,
208 cx23885_flatiron_read(dev
, i
));
212 static int cx23885_flatiron_mux(struct cx23885_dev
*dev
, int input
)
215 dprintk(1, "%s(input = %d)\n", __func__
, input
);
218 val
= cx23885_flatiron_read(dev
, CH_PWR_CTRL1
) & ~FLD_CH_SEL
;
220 val
= cx23885_flatiron_read(dev
, CH_PWR_CTRL1
) | FLD_CH_SEL
;
224 val
|= 0x20; /* Enable clock to delta-sigma and dec filter */
226 cx23885_flatiron_write(dev
, CH_PWR_CTRL1
, val
);
229 cx23885_flatiron_write(dev
, CH_PWR_CTRL2
, 0);
232 cx23885_flatiron_dump(dev
);
237 static int cx23885_video_mux(struct cx23885_dev
*dev
, unsigned int input
)
239 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
241 input
, INPUT(input
)->vmux
,
242 INPUT(input
)->gpio0
, INPUT(input
)->gpio1
,
243 INPUT(input
)->gpio2
, INPUT(input
)->gpio3
);
246 if (dev
->board
== CX23885_BOARD_MYGICA_X8506
||
247 dev
->board
== CX23885_BOARD_MAGICPRO_PROHDTVE2
||
248 dev
->board
== CX23885_BOARD_MYGICA_X8507
) {
249 /* Select Analog TV */
250 if (INPUT(input
)->type
== CX23885_VMUX_TELEVISION
)
251 cx23885_gpio_clear(dev
, GPIO_0
);
254 /* Tell the internal A/V decoder */
255 v4l2_subdev_call(dev
->sd_cx25840
, video
, s_routing
,
256 INPUT(input
)->vmux
, 0, 0);
258 if ((dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1800
) ||
259 (dev
->board
== CX23885_BOARD_MPX885
) ||
260 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1250
) ||
261 (dev
->board
== CX23885_BOARD_HAUPPAUGE_IMPACTVCBE
) ||
262 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255
) ||
263 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255_22111
) ||
264 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1850
) ||
265 (dev
->board
== CX23885_BOARD_MYGICA_X8507
) ||
266 (dev
->board
== CX23885_BOARD_AVERMEDIA_HC81R
) ||
267 (dev
->board
== CX23885_BOARD_VIEWCAST_260E
) ||
268 (dev
->board
== CX23885_BOARD_VIEWCAST_460E
)) {
269 /* Configure audio routing */
270 v4l2_subdev_call(dev
->sd_cx25840
, audio
, s_routing
,
271 INPUT(input
)->amux
, 0, 0);
273 if (INPUT(input
)->amux
== CX25840_AUDIO7
)
274 cx23885_flatiron_mux(dev
, 1);
275 else if (INPUT(input
)->amux
== CX25840_AUDIO6
)
276 cx23885_flatiron_mux(dev
, 2);
282 static int cx23885_audio_mux(struct cx23885_dev
*dev
, unsigned int input
)
284 dprintk(1, "%s(input=%d)\n", __func__
, input
);
286 /* The baseband video core of the cx23885 has two audio inputs.
287 * LR1 and LR2. In almost every single case so far only HVR1xxx
288 * cards we've only ever supported LR1. Time to support LR2,
289 * which is available via the optional white breakout header on
291 * We'll use a could of existing enums in the card struct to allow
292 * devs to specify which baseband input they need, or just default
293 * to what we've always used.
295 if (INPUT(input
)->amux
== CX25840_AUDIO7
)
296 cx23885_flatiron_mux(dev
, 1);
297 else if (INPUT(input
)->amux
== CX25840_AUDIO6
)
298 cx23885_flatiron_mux(dev
, 2);
300 /* Not specifically defined, assume the default. */
301 cx23885_flatiron_mux(dev
, 1);
307 /* ------------------------------------------------------------------ */
308 static int cx23885_start_video_dma(struct cx23885_dev
*dev
,
309 struct cx23885_dmaqueue
*q
,
310 struct cx23885_buffer
*buf
)
312 dprintk(1, "%s()\n", __func__
);
314 /* Stop the dma/fifo before we tamper with it's risc programs */
315 cx_clear(VID_A_DMA_CTL
, 0x11);
317 /* setup fifo + format */
318 cx23885_sram_channel_setup(dev
, &dev
->sram_channels
[SRAM_CH01
],
319 buf
->bpl
, buf
->risc
.dma
);
322 cx_write(VID_A_GPCNT_CTL
, 3);
326 cx23885_irq_add_enable(dev
, 0x01);
327 cx_set(VID_A_INT_MSK
, 0x000011);
330 cx_set(DEV_CNTRL2
, (1<<5));
331 cx_set(VID_A_DMA_CTL
, 0x11); /* FIFO and RISC enable */
336 static int queue_setup(struct vb2_queue
*q
,
337 unsigned int *num_buffers
, unsigned int *num_planes
,
338 unsigned int sizes
[], void *alloc_ctxs
[])
340 struct cx23885_dev
*dev
= q
->drv_priv
;
343 sizes
[0] = (dev
->fmt
->depth
* dev
->width
* dev
->height
) >> 3;
344 alloc_ctxs
[0] = dev
->alloc_ctx
;
348 static int buffer_prepare(struct vb2_buffer
*vb
)
350 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
351 struct cx23885_dev
*dev
= vb
->vb2_queue
->drv_priv
;
352 struct cx23885_buffer
*buf
=
353 container_of(vbuf
, struct cx23885_buffer
, vb
);
354 u32 line0_offset
, line1_offset
;
355 struct sg_table
*sgt
= vb2_dma_sg_plane_desc(vb
, 0);
358 buf
->bpl
= (dev
->width
* dev
->fmt
->depth
) >> 3;
360 if (vb2_plane_size(vb
, 0) < dev
->height
* buf
->bpl
)
362 vb2_set_plane_payload(vb
, 0, dev
->height
* buf
->bpl
);
364 switch (dev
->field
) {
366 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
368 buf
->bpl
, 0, dev
->height
);
370 case V4L2_FIELD_BOTTOM
:
371 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
373 buf
->bpl
, 0, dev
->height
);
375 case V4L2_FIELD_INTERLACED
:
376 if (dev
->tvnorm
& V4L2_STD_525_60
)
382 if (cx23885_boards
[dev
->board
].force_bff
)
383 /* PAL / SECAM OR 888 in NTSC MODE */
387 /* cx25840 transmits NTSC bottom field first */
388 dprintk(1, "%s() Creating TFF/NTSC risc\n",
390 line0_offset
= buf
->bpl
;
393 /* All other formats are top field first */
394 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
397 line1_offset
= buf
->bpl
;
399 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
400 sgt
->sgl
, line0_offset
,
405 case V4L2_FIELD_SEQ_TB
:
406 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
408 0, buf
->bpl
* (dev
->height
>> 1),
412 case V4L2_FIELD_SEQ_BT
:
413 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
415 buf
->bpl
* (dev
->height
>> 1), 0,
422 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
423 buf
, buf
->vb
.vb2_buf
.index
,
424 dev
->width
, dev
->height
, dev
->fmt
->depth
, dev
->fmt
->name
,
425 (unsigned long)buf
->risc
.dma
);
429 static void buffer_finish(struct vb2_buffer
*vb
)
431 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
432 struct cx23885_buffer
*buf
= container_of(vbuf
,
433 struct cx23885_buffer
, vb
);
435 cx23885_free_buffer(vb
->vb2_queue
->drv_priv
, buf
);
439 * The risc program for each buffer works as follows: it starts with a simple
440 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
441 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
444 * This is the risc program of the first buffer to be queued if the active list
445 * is empty and it just keeps DMAing this buffer without generating any
448 * If a new buffer is added then the initial JUMP in the code for that buffer
449 * will generate an interrupt which signals that the previous buffer has been
450 * DMAed successfully and that it can be returned to userspace.
452 * It also sets the final jump of the previous buffer to the start of the new
453 * buffer, thus chaining the new buffer into the DMA chain. This is a single
454 * atomic u32 write, so there is no race condition.
456 * The end-result of all this that you only get an interrupt when a buffer
457 * is ready, so the control flow is very easy.
459 static void buffer_queue(struct vb2_buffer
*vb
)
461 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
462 struct cx23885_dev
*dev
= vb
->vb2_queue
->drv_priv
;
463 struct cx23885_buffer
*buf
= container_of(vbuf
,
464 struct cx23885_buffer
, vb
);
465 struct cx23885_buffer
*prev
;
466 struct cx23885_dmaqueue
*q
= &dev
->vidq
;
469 /* add jump to start */
470 buf
->risc
.cpu
[1] = cpu_to_le32(buf
->risc
.dma
+ 12);
471 buf
->risc
.jmp
[0] = cpu_to_le32(RISC_JUMP
| RISC_CNT_INC
);
472 buf
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
+ 12);
473 buf
->risc
.jmp
[2] = cpu_to_le32(0); /* bits 63-32 */
475 spin_lock_irqsave(&dev
->slock
, flags
);
476 if (list_empty(&q
->active
)) {
477 list_add_tail(&buf
->queue
, &q
->active
);
478 dprintk(2, "[%p/%d] buffer_queue - first active\n",
479 buf
, buf
->vb
.vb2_buf
.index
);
481 buf
->risc
.cpu
[0] |= cpu_to_le32(RISC_IRQ1
);
482 prev
= list_entry(q
->active
.prev
, struct cx23885_buffer
,
484 list_add_tail(&buf
->queue
, &q
->active
);
485 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
486 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
487 buf
, buf
->vb
.vb2_buf
.index
);
489 spin_unlock_irqrestore(&dev
->slock
, flags
);
492 static int cx23885_start_streaming(struct vb2_queue
*q
, unsigned int count
)
494 struct cx23885_dev
*dev
= q
->drv_priv
;
495 struct cx23885_dmaqueue
*dmaq
= &dev
->vidq
;
496 struct cx23885_buffer
*buf
= list_entry(dmaq
->active
.next
,
497 struct cx23885_buffer
, queue
);
499 cx23885_start_video_dma(dev
, dmaq
, buf
);
503 static void cx23885_stop_streaming(struct vb2_queue
*q
)
505 struct cx23885_dev
*dev
= q
->drv_priv
;
506 struct cx23885_dmaqueue
*dmaq
= &dev
->vidq
;
509 cx_clear(VID_A_DMA_CTL
, 0x11);
510 spin_lock_irqsave(&dev
->slock
, flags
);
511 while (!list_empty(&dmaq
->active
)) {
512 struct cx23885_buffer
*buf
= list_entry(dmaq
->active
.next
,
513 struct cx23885_buffer
, queue
);
515 list_del(&buf
->queue
);
516 vb2_buffer_done(&buf
->vb
.vb2_buf
, VB2_BUF_STATE_ERROR
);
518 spin_unlock_irqrestore(&dev
->slock
, flags
);
521 static struct vb2_ops cx23885_video_qops
= {
522 .queue_setup
= queue_setup
,
523 .buf_prepare
= buffer_prepare
,
524 .buf_finish
= buffer_finish
,
525 .buf_queue
= buffer_queue
,
526 .wait_prepare
= vb2_ops_wait_prepare
,
527 .wait_finish
= vb2_ops_wait_finish
,
528 .start_streaming
= cx23885_start_streaming
,
529 .stop_streaming
= cx23885_stop_streaming
,
532 /* ------------------------------------------------------------------ */
535 static int vidioc_g_fmt_vid_cap(struct file
*file
, void *priv
,
536 struct v4l2_format
*f
)
538 struct cx23885_dev
*dev
= video_drvdata(file
);
540 f
->fmt
.pix
.width
= dev
->width
;
541 f
->fmt
.pix
.height
= dev
->height
;
542 f
->fmt
.pix
.field
= dev
->field
;
543 f
->fmt
.pix
.pixelformat
= dev
->fmt
->fourcc
;
544 f
->fmt
.pix
.bytesperline
=
545 (f
->fmt
.pix
.width
* dev
->fmt
->depth
) >> 3;
546 f
->fmt
.pix
.sizeimage
=
547 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
548 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
;
553 static int vidioc_try_fmt_vid_cap(struct file
*file
, void *priv
,
554 struct v4l2_format
*f
)
556 struct cx23885_dev
*dev
= video_drvdata(file
);
557 struct cx23885_fmt
*fmt
;
558 enum v4l2_field field
;
559 unsigned int maxw
, maxh
;
561 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
565 field
= f
->fmt
.pix
.field
;
567 maxh
= norm_maxh(dev
->tvnorm
);
569 if (V4L2_FIELD_ANY
== field
) {
570 field
= (f
->fmt
.pix
.height
> maxh
/2)
571 ? V4L2_FIELD_INTERLACED
577 case V4L2_FIELD_BOTTOM
:
580 case V4L2_FIELD_INTERLACED
:
581 case V4L2_FIELD_SEQ_TB
:
582 case V4L2_FIELD_SEQ_BT
:
585 field
= V4L2_FIELD_INTERLACED
;
589 f
->fmt
.pix
.field
= field
;
590 v4l_bound_align_image(&f
->fmt
.pix
.width
, 48, maxw
, 2,
591 &f
->fmt
.pix
.height
, 32, maxh
, 0, 0);
592 f
->fmt
.pix
.bytesperline
=
593 (f
->fmt
.pix
.width
* fmt
->depth
) >> 3;
594 f
->fmt
.pix
.sizeimage
=
595 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
596 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
;
601 static int vidioc_s_fmt_vid_cap(struct file
*file
, void *priv
,
602 struct v4l2_format
*f
)
604 struct cx23885_dev
*dev
= video_drvdata(file
);
605 struct v4l2_subdev_format format
= {
606 .which
= V4L2_SUBDEV_FORMAT_ACTIVE
,
610 dprintk(2, "%s()\n", __func__
);
611 err
= vidioc_try_fmt_vid_cap(file
, priv
, f
);
616 if (vb2_is_busy(&dev
->vb2_vidq
) || vb2_is_busy(&dev
->vb2_vbiq
) ||
617 vb2_is_busy(&dev
->vb2_mpegq
))
620 dev
->fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
621 dev
->width
= f
->fmt
.pix
.width
;
622 dev
->height
= f
->fmt
.pix
.height
;
623 dev
->field
= f
->fmt
.pix
.field
;
624 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__
,
625 dev
->width
, dev
->height
, dev
->field
);
626 v4l2_fill_mbus_format(&format
.format
, &f
->fmt
.pix
, MEDIA_BUS_FMT_FIXED
);
627 call_all(dev
, pad
, set_fmt
, NULL
, &format
);
628 v4l2_fill_pix_format(&f
->fmt
.pix
, &format
.format
);
629 /* set_fmt overwrites f->fmt.pix.field, restore it */
630 f
->fmt
.pix
.field
= dev
->field
;
634 static int vidioc_querycap(struct file
*file
, void *priv
,
635 struct v4l2_capability
*cap
)
637 struct cx23885_dev
*dev
= video_drvdata(file
);
638 struct video_device
*vdev
= video_devdata(file
);
640 strcpy(cap
->driver
, "cx23885");
641 strlcpy(cap
->card
, cx23885_boards
[dev
->board
].name
,
643 sprintf(cap
->bus_info
, "PCIe:%s", pci_name(dev
->pci
));
644 cap
->device_caps
= V4L2_CAP_READWRITE
| V4L2_CAP_STREAMING
| V4L2_CAP_AUDIO
;
645 if (dev
->tuner_type
!= TUNER_ABSENT
)
646 cap
->device_caps
|= V4L2_CAP_TUNER
;
647 if (vdev
->vfl_type
== VFL_TYPE_VBI
)
648 cap
->device_caps
|= V4L2_CAP_VBI_CAPTURE
;
650 cap
->device_caps
|= V4L2_CAP_VIDEO_CAPTURE
;
651 cap
->capabilities
= cap
->device_caps
| V4L2_CAP_VBI_CAPTURE
|
652 V4L2_CAP_VIDEO_CAPTURE
| V4L2_CAP_DEVICE_CAPS
;
656 static int vidioc_enum_fmt_vid_cap(struct file
*file
, void *priv
,
657 struct v4l2_fmtdesc
*f
)
659 if (unlikely(f
->index
>= ARRAY_SIZE(formats
)))
662 strlcpy(f
->description
, formats
[f
->index
].name
,
663 sizeof(f
->description
));
664 f
->pixelformat
= formats
[f
->index
].fourcc
;
669 static int vidioc_cropcap(struct file
*file
, void *priv
,
670 struct v4l2_cropcap
*cc
)
672 struct cx23885_dev
*dev
= video_drvdata(file
);
673 bool is_50hz
= dev
->tvnorm
& V4L2_STD_625_50
;
675 if (cc
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
680 cc
->bounds
.width
= 720;
681 cc
->bounds
.height
= norm_maxh(dev
->tvnorm
);
682 cc
->defrect
= cc
->bounds
;
683 cc
->pixelaspect
.numerator
= is_50hz
? 54 : 11;
684 cc
->pixelaspect
.denominator
= is_50hz
? 59 : 10;
689 static int vidioc_g_std(struct file
*file
, void *priv
, v4l2_std_id
*id
)
691 struct cx23885_dev
*dev
= video_drvdata(file
);
692 dprintk(1, "%s()\n", __func__
);
698 static int vidioc_s_std(struct file
*file
, void *priv
, v4l2_std_id tvnorms
)
700 struct cx23885_dev
*dev
= video_drvdata(file
);
701 dprintk(1, "%s()\n", __func__
);
703 return cx23885_set_tvnorm(dev
, tvnorms
);
706 int cx23885_enum_input(struct cx23885_dev
*dev
, struct v4l2_input
*i
)
708 static const char *iname
[] = {
709 [CX23885_VMUX_COMPOSITE1
] = "Composite1",
710 [CX23885_VMUX_COMPOSITE2
] = "Composite2",
711 [CX23885_VMUX_COMPOSITE3
] = "Composite3",
712 [CX23885_VMUX_COMPOSITE4
] = "Composite4",
713 [CX23885_VMUX_SVIDEO
] = "S-Video",
714 [CX23885_VMUX_COMPONENT
] = "Component",
715 [CX23885_VMUX_TELEVISION
] = "Television",
716 [CX23885_VMUX_CABLE
] = "Cable TV",
717 [CX23885_VMUX_DVB
] = "DVB",
718 [CX23885_VMUX_DEBUG
] = "for debug only",
721 dprintk(1, "%s()\n", __func__
);
724 if (n
>= MAX_CX23885_INPUT
)
727 if (0 == INPUT(n
)->type
)
731 i
->type
= V4L2_INPUT_TYPE_CAMERA
;
732 strcpy(i
->name
, iname
[INPUT(n
)->type
]);
733 i
->std
= CX23885_NORMS
;
734 if ((CX23885_VMUX_TELEVISION
== INPUT(n
)->type
) ||
735 (CX23885_VMUX_CABLE
== INPUT(n
)->type
)) {
736 i
->type
= V4L2_INPUT_TYPE_TUNER
;
739 /* Two selectable audio inputs for non-tv inputs */
743 if (dev
->input
== n
) {
744 /* enum'd input matches our configured input.
745 * Ask the video decoder to process the call
746 * and give it an oppertunity to update the
749 call_all(dev
, video
, g_input_status
, &i
->status
);
755 static int vidioc_enum_input(struct file
*file
, void *priv
,
756 struct v4l2_input
*i
)
758 struct cx23885_dev
*dev
= video_drvdata(file
);
759 dprintk(1, "%s()\n", __func__
);
760 return cx23885_enum_input(dev
, i
);
763 int cx23885_get_input(struct file
*file
, void *priv
, unsigned int *i
)
765 struct cx23885_dev
*dev
= video_drvdata(file
);
768 dprintk(1, "%s() returns %d\n", __func__
, *i
);
772 static int vidioc_g_input(struct file
*file
, void *priv
, unsigned int *i
)
774 return cx23885_get_input(file
, priv
, i
);
777 int cx23885_set_input(struct file
*file
, void *priv
, unsigned int i
)
779 struct cx23885_dev
*dev
= video_drvdata(file
);
781 dprintk(1, "%s(%d)\n", __func__
, i
);
783 if (i
>= MAX_CX23885_INPUT
) {
784 dprintk(1, "%s() -EINVAL\n", __func__
);
788 if (INPUT(i
)->type
== 0)
791 cx23885_video_mux(dev
, i
);
793 /* By default establish the default audio input for the card also */
794 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
795 cx23885_audio_mux(dev
, i
);
799 static int vidioc_s_input(struct file
*file
, void *priv
, unsigned int i
)
801 return cx23885_set_input(file
, priv
, i
);
804 static int vidioc_log_status(struct file
*file
, void *priv
)
806 struct cx23885_dev
*dev
= video_drvdata(file
);
808 call_all(dev
, core
, log_status
);
812 static int cx23885_query_audinput(struct file
*file
, void *priv
,
813 struct v4l2_audio
*i
)
815 struct cx23885_dev
*dev
= video_drvdata(file
);
816 static const char *iname
[] = {
817 [0] = "Baseband L/R 1",
818 [1] = "Baseband L/R 2",
822 dprintk(1, "%s()\n", __func__
);
828 memset(i
, 0, sizeof(*i
));
830 strcpy(i
->name
, iname
[n
]);
831 i
->capability
= V4L2_AUDCAP_STEREO
;
836 static int vidioc_enum_audinput(struct file
*file
, void *priv
,
837 struct v4l2_audio
*i
)
839 return cx23885_query_audinput(file
, priv
, i
);
842 static int vidioc_g_audinput(struct file
*file
, void *priv
,
843 struct v4l2_audio
*i
)
845 struct cx23885_dev
*dev
= video_drvdata(file
);
847 if ((CX23885_VMUX_TELEVISION
== INPUT(dev
->input
)->type
) ||
848 (CX23885_VMUX_CABLE
== INPUT(dev
->input
)->type
))
851 i
->index
= dev
->audinput
;
852 dprintk(1, "%s(input=%d)\n", __func__
, i
->index
);
854 return cx23885_query_audinput(file
, priv
, i
);
857 static int vidioc_s_audinput(struct file
*file
, void *priv
,
858 const struct v4l2_audio
*i
)
860 struct cx23885_dev
*dev
= video_drvdata(file
);
862 if ((CX23885_VMUX_TELEVISION
== INPUT(dev
->input
)->type
) ||
863 (CX23885_VMUX_CABLE
== INPUT(dev
->input
)->type
)) {
864 return i
->index
!= 2 ? -EINVAL
: 0;
869 dprintk(1, "%s(%d)\n", __func__
, i
->index
);
871 dev
->audinput
= i
->index
;
873 /* Skip the audio defaults from the cards struct, caller wants
874 * directly touch the audio mux hardware. */
875 cx23885_flatiron_mux(dev
, dev
->audinput
+ 1);
879 static int vidioc_g_tuner(struct file
*file
, void *priv
,
880 struct v4l2_tuner
*t
)
882 struct cx23885_dev
*dev
= video_drvdata(file
);
884 if (dev
->tuner_type
== TUNER_ABSENT
)
889 strcpy(t
->name
, "Television");
891 call_all(dev
, tuner
, g_tuner
, t
);
895 static int vidioc_s_tuner(struct file
*file
, void *priv
,
896 const struct v4l2_tuner
*t
)
898 struct cx23885_dev
*dev
= video_drvdata(file
);
900 if (dev
->tuner_type
== TUNER_ABSENT
)
904 /* Update the A/V core */
905 call_all(dev
, tuner
, s_tuner
, t
);
910 static int vidioc_g_frequency(struct file
*file
, void *priv
,
911 struct v4l2_frequency
*f
)
913 struct cx23885_dev
*dev
= video_drvdata(file
);
915 if (dev
->tuner_type
== TUNER_ABSENT
)
918 f
->type
= V4L2_TUNER_ANALOG_TV
;
919 f
->frequency
= dev
->freq
;
921 call_all(dev
, tuner
, g_frequency
, f
);
926 static int cx23885_set_freq(struct cx23885_dev
*dev
, const struct v4l2_frequency
*f
)
928 struct v4l2_ctrl
*mute
;
929 int old_mute_val
= 1;
931 if (dev
->tuner_type
== TUNER_ABSENT
)
933 if (unlikely(f
->tuner
!= 0))
936 dev
->freq
= f
->frequency
;
938 /* I need to mute audio here */
939 mute
= v4l2_ctrl_find(&dev
->ctrl_handler
, V4L2_CID_AUDIO_MUTE
);
941 old_mute_val
= v4l2_ctrl_g_ctrl(mute
);
943 v4l2_ctrl_s_ctrl(mute
, 1);
946 call_all(dev
, tuner
, s_frequency
, f
);
948 /* When changing channels it is required to reset TVAUDIO */
951 /* I need to unmute audio here */
952 if (old_mute_val
== 0)
953 v4l2_ctrl_s_ctrl(mute
, old_mute_val
);
958 static int cx23885_set_freq_via_ops(struct cx23885_dev
*dev
,
959 const struct v4l2_frequency
*f
)
961 struct v4l2_ctrl
*mute
;
962 int old_mute_val
= 1;
963 struct vb2_dvb_frontend
*vfe
;
964 struct dvb_frontend
*fe
;
966 struct analog_parameters params
= {
967 .mode
= V4L2_TUNER_ANALOG_TV
,
968 .audmode
= V4L2_TUNER_MODE_STEREO
,
970 .frequency
= f
->frequency
973 dev
->freq
= f
->frequency
;
975 /* I need to mute audio here */
976 mute
= v4l2_ctrl_find(&dev
->ctrl_handler
, V4L2_CID_AUDIO_MUTE
);
978 old_mute_val
= v4l2_ctrl_g_ctrl(mute
);
980 v4l2_ctrl_s_ctrl(mute
, 1);
984 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__
,
985 params
.frequency
, f
->tuner
, params
.std
);
987 vfe
= vb2_dvb_get_frontend(&dev
->ts2
.frontends
, 1);
992 fe
= vfe
->dvb
.frontend
;
994 if ((dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1850
) ||
995 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255
) ||
996 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255_22111
))
997 fe
= &dev
->ts1
.analog_fe
;
999 if (fe
&& fe
->ops
.tuner_ops
.set_analog_params
) {
1000 call_all(dev
, video
, s_std
, dev
->tvnorm
);
1001 fe
->ops
.tuner_ops
.set_analog_params(fe
, ¶ms
);
1004 printk(KERN_ERR
"%s() No analog tuner, aborting\n", __func__
);
1006 /* When changing channels it is required to reset TVAUDIO */
1009 /* I need to unmute audio here */
1010 if (old_mute_val
== 0)
1011 v4l2_ctrl_s_ctrl(mute
, old_mute_val
);
1016 int cx23885_set_frequency(struct file
*file
, void *priv
,
1017 const struct v4l2_frequency
*f
)
1019 struct cx23885_dev
*dev
= video_drvdata(file
);
1022 switch (dev
->board
) {
1023 case CX23885_BOARD_HAUPPAUGE_HVR1255
:
1024 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111
:
1025 case CX23885_BOARD_HAUPPAUGE_HVR1850
:
1026 ret
= cx23885_set_freq_via_ops(dev
, f
);
1029 ret
= cx23885_set_freq(dev
, f
);
1035 static int vidioc_s_frequency(struct file
*file
, void *priv
,
1036 const struct v4l2_frequency
*f
)
1038 return cx23885_set_frequency(file
, priv
, f
);
1041 /* ----------------------------------------------------------- */
1043 int cx23885_video_irq(struct cx23885_dev
*dev
, u32 status
)
1048 mask
= cx_read(VID_A_INT_MSK
);
1049 if (0 == (status
& mask
))
1052 cx_write(VID_A_INT_STAT
, status
);
1054 /* risc op code error, fifo overflow or line sync detection error */
1055 if ((status
& VID_BC_MSK_OPC_ERR
) ||
1056 (status
& VID_BC_MSK_SYNC
) ||
1057 (status
& VID_BC_MSK_OF
)) {
1059 if (status
& VID_BC_MSK_OPC_ERR
) {
1060 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1061 VID_BC_MSK_OPC_ERR
);
1062 printk(KERN_WARNING
"%s: video risc op code error\n",
1064 cx23885_sram_channel_dump(dev
,
1065 &dev
->sram_channels
[SRAM_CH01
]);
1068 if (status
& VID_BC_MSK_SYNC
)
1069 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1070 "video lines miss-match\n",
1073 if (status
& VID_BC_MSK_OF
)
1074 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1080 if (status
& VID_BC_MSK_RISCI1
) {
1081 spin_lock(&dev
->slock
);
1082 count
= cx_read(VID_A_GPCNT
);
1083 cx23885_video_wakeup(dev
, &dev
->vidq
, count
);
1084 spin_unlock(&dev
->slock
);
1088 /* Allow the VBI framework to process it's payload */
1089 handled
+= cx23885_vbi_irq(dev
, status
);
1094 /* ----------------------------------------------------------- */
1095 /* exported stuff */
1097 static const struct v4l2_file_operations video_fops
= {
1098 .owner
= THIS_MODULE
,
1099 .open
= v4l2_fh_open
,
1100 .release
= vb2_fop_release
,
1101 .read
= vb2_fop_read
,
1102 .poll
= vb2_fop_poll
,
1103 .unlocked_ioctl
= video_ioctl2
,
1104 .mmap
= vb2_fop_mmap
,
1107 static const struct v4l2_ioctl_ops video_ioctl_ops
= {
1108 .vidioc_querycap
= vidioc_querycap
,
1109 .vidioc_enum_fmt_vid_cap
= vidioc_enum_fmt_vid_cap
,
1110 .vidioc_g_fmt_vid_cap
= vidioc_g_fmt_vid_cap
,
1111 .vidioc_try_fmt_vid_cap
= vidioc_try_fmt_vid_cap
,
1112 .vidioc_s_fmt_vid_cap
= vidioc_s_fmt_vid_cap
,
1113 .vidioc_g_fmt_vbi_cap
= cx23885_vbi_fmt
,
1114 .vidioc_try_fmt_vbi_cap
= cx23885_vbi_fmt
,
1115 .vidioc_s_fmt_vbi_cap
= cx23885_vbi_fmt
,
1116 .vidioc_reqbufs
= vb2_ioctl_reqbufs
,
1117 .vidioc_prepare_buf
= vb2_ioctl_prepare_buf
,
1118 .vidioc_querybuf
= vb2_ioctl_querybuf
,
1119 .vidioc_qbuf
= vb2_ioctl_qbuf
,
1120 .vidioc_dqbuf
= vb2_ioctl_dqbuf
,
1121 .vidioc_streamon
= vb2_ioctl_streamon
,
1122 .vidioc_streamoff
= vb2_ioctl_streamoff
,
1123 .vidioc_cropcap
= vidioc_cropcap
,
1124 .vidioc_s_std
= vidioc_s_std
,
1125 .vidioc_g_std
= vidioc_g_std
,
1126 .vidioc_enum_input
= vidioc_enum_input
,
1127 .vidioc_g_input
= vidioc_g_input
,
1128 .vidioc_s_input
= vidioc_s_input
,
1129 .vidioc_log_status
= vidioc_log_status
,
1130 .vidioc_g_tuner
= vidioc_g_tuner
,
1131 .vidioc_s_tuner
= vidioc_s_tuner
,
1132 .vidioc_g_frequency
= vidioc_g_frequency
,
1133 .vidioc_s_frequency
= vidioc_s_frequency
,
1134 #ifdef CONFIG_VIDEO_ADV_DEBUG
1135 .vidioc_g_chip_info
= cx23885_g_chip_info
,
1136 .vidioc_g_register
= cx23885_g_register
,
1137 .vidioc_s_register
= cx23885_s_register
,
1139 .vidioc_enumaudio
= vidioc_enum_audinput
,
1140 .vidioc_g_audio
= vidioc_g_audinput
,
1141 .vidioc_s_audio
= vidioc_s_audinput
,
1142 .vidioc_subscribe_event
= v4l2_ctrl_subscribe_event
,
1143 .vidioc_unsubscribe_event
= v4l2_event_unsubscribe
,
1146 static struct video_device cx23885_vbi_template
;
1147 static struct video_device cx23885_video_template
= {
1148 .name
= "cx23885-video",
1149 .fops
= &video_fops
,
1150 .ioctl_ops
= &video_ioctl_ops
,
1151 .tvnorms
= CX23885_NORMS
,
1154 void cx23885_video_unregister(struct cx23885_dev
*dev
)
1156 dprintk(1, "%s()\n", __func__
);
1157 cx23885_irq_remove(dev
, 0x01);
1160 if (video_is_registered(dev
->vbi_dev
))
1161 video_unregister_device(dev
->vbi_dev
);
1163 video_device_release(dev
->vbi_dev
);
1164 dev
->vbi_dev
= NULL
;
1166 if (dev
->video_dev
) {
1167 if (video_is_registered(dev
->video_dev
))
1168 video_unregister_device(dev
->video_dev
);
1170 video_device_release(dev
->video_dev
);
1171 dev
->video_dev
= NULL
;
1175 cx23885_audio_unregister(dev
);
1178 int cx23885_video_register(struct cx23885_dev
*dev
)
1180 struct vb2_queue
*q
;
1183 dprintk(1, "%s()\n", __func__
);
1185 /* Initialize VBI template */
1186 cx23885_vbi_template
= cx23885_video_template
;
1187 strcpy(cx23885_vbi_template
.name
, "cx23885-vbi");
1189 dev
->tvnorm
= V4L2_STD_NTSC_M
;
1190 dev
->fmt
= format_by_fourcc(V4L2_PIX_FMT_YUYV
);
1191 dev
->field
= V4L2_FIELD_INTERLACED
;
1193 dev
->height
= norm_maxh(dev
->tvnorm
);
1195 /* init video dma queues */
1196 INIT_LIST_HEAD(&dev
->vidq
.active
);
1198 /* init vbi dma queues */
1199 INIT_LIST_HEAD(&dev
->vbiq
.active
);
1201 cx23885_irq_add_enable(dev
, 0x01);
1203 if ((TUNER_ABSENT
!= dev
->tuner_type
) &&
1204 ((dev
->tuner_bus
== 0) || (dev
->tuner_bus
== 1))) {
1205 struct v4l2_subdev
*sd
= NULL
;
1207 if (dev
->tuner_addr
)
1208 sd
= v4l2_i2c_new_subdev(&dev
->v4l2_dev
,
1209 &dev
->i2c_bus
[dev
->tuner_bus
].i2c_adap
,
1210 "tuner", dev
->tuner_addr
, NULL
);
1212 sd
= v4l2_i2c_new_subdev(&dev
->v4l2_dev
,
1213 &dev
->i2c_bus
[dev
->tuner_bus
].i2c_adap
,
1214 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV
));
1216 struct tuner_setup tun_setup
;
1218 memset(&tun_setup
, 0, sizeof(tun_setup
));
1219 tun_setup
.mode_mask
= T_ANALOG_TV
;
1220 tun_setup
.type
= dev
->tuner_type
;
1221 tun_setup
.addr
= v4l2_i2c_subdev_addr(sd
);
1222 tun_setup
.tuner_callback
= cx23885_tuner_callback
;
1224 v4l2_subdev_call(sd
, tuner
, s_type_addr
, &tun_setup
);
1226 if ((dev
->board
== CX23885_BOARD_LEADTEK_WINFAST_PXTV1200
) ||
1227 (dev
->board
== CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200
)) {
1228 struct xc2028_ctrl ctrl
= {
1229 .fname
= XC2028_DEFAULT_FIRMWARE
,
1232 struct v4l2_priv_tun_config cfg
= {
1233 .tuner
= dev
->tuner_type
,
1236 v4l2_subdev_call(sd
, tuner
, s_config
, &cfg
);
1239 if (dev
->board
== CX23885_BOARD_AVERMEDIA_HC81R
) {
1240 struct xc2028_ctrl ctrl
= {
1241 .fname
= "xc3028L-v36.fw",
1244 struct v4l2_priv_tun_config cfg
= {
1245 .tuner
= dev
->tuner_type
,
1248 v4l2_subdev_call(sd
, tuner
, s_config
, &cfg
);
1253 /* initial device configuration */
1254 mutex_lock(&dev
->lock
);
1255 cx23885_set_tvnorm(dev
, dev
->tvnorm
);
1256 cx23885_video_mux(dev
, 0);
1257 cx23885_audio_mux(dev
, 0);
1258 mutex_unlock(&dev
->lock
);
1261 q
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1262 q
->io_modes
= VB2_MMAP
| VB2_USERPTR
| VB2_DMABUF
| VB2_READ
;
1263 q
->gfp_flags
= GFP_DMA32
;
1264 q
->min_buffers_needed
= 2;
1266 q
->buf_struct_size
= sizeof(struct cx23885_buffer
);
1267 q
->ops
= &cx23885_video_qops
;
1268 q
->mem_ops
= &vb2_dma_sg_memops
;
1269 q
->timestamp_flags
= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
;
1270 q
->lock
= &dev
->lock
;
1272 err
= vb2_queue_init(q
);
1277 q
->type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
1278 q
->io_modes
= VB2_MMAP
| VB2_USERPTR
| VB2_DMABUF
| VB2_READ
;
1279 q
->gfp_flags
= GFP_DMA32
;
1280 q
->min_buffers_needed
= 2;
1282 q
->buf_struct_size
= sizeof(struct cx23885_buffer
);
1283 q
->ops
= &cx23885_vbi_qops
;
1284 q
->mem_ops
= &vb2_dma_sg_memops
;
1285 q
->timestamp_flags
= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
;
1286 q
->lock
= &dev
->lock
;
1288 err
= vb2_queue_init(q
);
1292 /* register Video device */
1293 dev
->video_dev
= cx23885_vdev_init(dev
, dev
->pci
,
1294 &cx23885_video_template
, "video");
1295 dev
->video_dev
->queue
= &dev
->vb2_vidq
;
1296 err
= video_register_device(dev
->video_dev
, VFL_TYPE_GRABBER
,
1299 printk(KERN_INFO
"%s: can't register video device\n",
1303 printk(KERN_INFO
"%s: registered device %s [v4l2]\n",
1304 dev
->name
, video_device_node_name(dev
->video_dev
));
1306 /* register VBI device */
1307 dev
->vbi_dev
= cx23885_vdev_init(dev
, dev
->pci
,
1308 &cx23885_vbi_template
, "vbi");
1309 dev
->vbi_dev
->queue
= &dev
->vb2_vbiq
;
1310 err
= video_register_device(dev
->vbi_dev
, VFL_TYPE_VBI
,
1313 printk(KERN_INFO
"%s: can't register vbi device\n",
1317 printk(KERN_INFO
"%s: registered device %s\n",
1318 dev
->name
, video_device_node_name(dev
->vbi_dev
));
1320 /* Register ALSA audio device */
1321 dev
->audio_dev
= cx23885_audio_register(dev
);
1326 cx23885_video_unregister(dev
);