diff options
author | Maciej S. Szmigiero <mail@maciej.szmigiero.name> | 2019-04-29 12:16:58 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-05-28 16:03:12 -0400 |
commit | e478d40540544e229c843fe0c698ebc7d0ca07e6 (patch) | |
tree | 4e93bfce9e81dcc071862fb545c978a9483c733c /drivers/media/usb/dvb-usb/cxusb.h | |
parent | d525e5c2f1b7f3bf198aeb56b039a682de4b00df (diff) |
media: cxusb: add analog mode support for Medion MD95700
This patch adds support for analog part of Medion 95700 in the cxusb
driver.
What works:
* Video capture at various sizes with sequential fields,
* Input switching (TV Tuner, Composite, S-Video),
* TV and radio tuning,
* Video standard switching and auto detection,
* Radio mode switching (stereo / mono),
* Unplugging while capturing,
* DVB / analog coexistence.
What does not work yet:
* Audio,
* VBI,
* Picture controls.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: remove left-over commented-out debug message]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/usb/dvb-usb/cxusb.h')
-rw-r--r-- | drivers/media/usb/dvb-usb/cxusb.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h index f586d61a7bf8..9636f9575e58 100644 --- a/drivers/media/usb/dvb-usb/cxusb.h +++ b/drivers/media/usb/dvb-usb/cxusb.h @@ -2,12 +2,29 @@ #ifndef _DVB_USB_CXUSB_H_ #define _DVB_USB_CXUSB_H_ +#include <linux/completion.h> #include <linux/i2c.h> +#include <linux/list.h> #include <linux/mutex.h> +#include <linux/usb.h> +#include <linux/workqueue.h> +#include <media/v4l2-common.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/videobuf2-core.h> +#include <media/videobuf2-v4l2.h> #define DVB_USB_LOG_PREFIX "cxusb" #include "dvb-usb.h" +#define CXUSB_VIDEO_URBS (5) +#define CXUSB_VIDEO_URB_MAX_SIZE (512 * 1024) + +#define CXUSB_VIDEO_PKT_SIZE 3030 +#define CXUSB_VIDEO_MAX_FRAME_PKTS 346 +#define CXUSB_VIDEO_MAX_FRAME_SIZE (CXUSB_VIDEO_MAX_FRAME_PKTS * \ + CXUSB_VIDEO_PKT_SIZE) + /* usb commands - some of it are guesses, don't have a reference yet */ #define CMD_BLUEBIRD_GPIO_RW 0x05 @@ -32,6 +49,20 @@ #define CMD_ANALOG 0x50 #define CMD_DIGITAL 0x51 +#define CXUSB_BT656_PREAMBLE ((const u8 *)"\xff\x00\x00") + +#define CXUSB_BT656_FIELD_MASK BIT(6) +#define CXUSB_BT656_FIELD_1 0 +#define CXUSB_BT656_FIELD_2 BIT(6) + +#define CXUSB_BT656_VBI_MASK BIT(5) +#define CXUSB_BT656_VBI_ON BIT(5) +#define CXUSB_BT656_VBI_OFF 0 + +#define CXUSB_BT656_SEAV_MASK BIT(4) +#define CXUSB_BT656_SEAV_EAV BIT(4) +#define CXUSB_BT656_SEAV_SAV 0 + /* Max transfer size done by I2C transfer functions */ #define MAX_XFER_SIZE 80 @@ -54,6 +85,29 @@ enum cxusb_open_type { CXUSB_OPEN_ANALOG, CXUSB_OPEN_DIGITAL }; +struct cxusb_medion_auxbuf { + u8 *buf; + unsigned int len; + unsigned int paylen; +}; + +enum cxusb_bt656_mode { + NEW_FRAME, FIRST_FIELD, SECOND_FIELD +}; + +enum cxusb_bt656_fmode { + START_SEARCH, LINE_SAMPLES, VBI_SAMPLES +}; + +struct cxusb_bt656_params { + enum cxusb_bt656_mode mode; + enum cxusb_bt656_fmode fmode; + unsigned int pos; + unsigned int line; + unsigned int linesamples; + u8 *buf; +}; + struct cxusb_medion_dev { /* has to be the first one */ struct cxusb_state state; @@ -63,18 +117,69 @@ struct cxusb_medion_dev { enum cxusb_open_type open_type; unsigned int open_ctr; struct mutex open_lock; + +#ifdef CONFIG_DVB_USB_CXUSB_ANALOG + struct v4l2_device v4l2dev; + struct v4l2_subdev *cx25840; + struct v4l2_subdev *tuner; + struct v4l2_subdev *tda9887; + struct video_device *videodev, *radiodev; + struct mutex dev_lock; + + struct vb2_queue videoqueue; + u32 input; + bool stop_streaming; + u32 width, height; + u32 field_order; + struct cxusb_medion_auxbuf auxbuf; + v4l2_std_id norm; + + struct urb *streamurbs[CXUSB_VIDEO_URBS]; + unsigned long urbcomplete; + struct work_struct urbwork; + unsigned int nexturb; + + struct cxusb_bt656_params bt656; + struct cxusb_medion_vbuffer *vbuf; + __u32 vbuf_sequence; + + struct list_head buflist; + + struct completion v4l2_release; +#endif +}; + +struct cxusb_medion_vbuffer { + struct vb2_v4l2_buffer vb2; + struct list_head list; }; /* defines for "debug" module parameter */ #define CXUSB_DBG_RC BIT(0) #define CXUSB_DBG_I2C BIT(1) #define CXUSB_DBG_MISC BIT(2) +#define CXUSB_DBG_BT656 BIT(3) +#define CXUSB_DBG_URB BIT(4) +#define CXUSB_DBG_OPS BIT(5) +#define CXUSB_DBG_AUXB BIT(6) extern int dvb_usb_cxusb_debug; +#define cxusb_vprintk(dvbdev, lvl, ...) do { \ + struct cxusb_medion_dev *_cxdev = (dvbdev)->priv; \ + if (dvb_usb_cxusb_debug & CXUSB_DBG_##lvl) \ + v4l2_printk(KERN_DEBUG, \ + &_cxdev->v4l2dev, __VA_ARGS__); \ + } while (0) + int cxusb_ctrl_msg(struct dvb_usb_device *d, u8 cmd, const u8 *wbuf, int wlen, u8 *rbuf, int rlen); +#ifdef CONFIG_DVB_USB_CXUSB_ANALOG +int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev); +int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev); +void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev); +#else static inline int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev) { return -EINVAL; @@ -88,6 +193,7 @@ static inline int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev) static inline void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev) { } +#endif int cxusb_medion_get(struct dvb_usb_device *dvbdev, enum cxusb_open_type open_type); |