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path: root/drivers/media/usb/dvb-usb/cxusb.h
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Diffstat (limited to 'drivers/media/usb/dvb-usb/cxusb.h')
-rw-r--r--drivers/media/usb/dvb-usb/cxusb.h204
1 files changed, 204 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h
new file mode 100644
index 0000000000..9e374e5312
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/cxusb.h
@@ -0,0 +1,204 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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
+
+#define CMD_I2C_WRITE 0x08
+#define CMD_I2C_READ 0x09
+
+#define CMD_GPIO_READ 0x0d
+#define CMD_GPIO_WRITE 0x0e
+#define GPIO_TUNER 0x02
+
+#define CMD_POWER_OFF 0xdc
+#define CMD_POWER_ON 0xde
+
+#define CMD_STREAMING_ON 0x36
+#define CMD_STREAMING_OFF 0x37
+
+#define CMD_AVER_STREAM_ON 0x18
+#define CMD_AVER_STREAM_OFF 0x19
+
+#define CMD_GET_IR_CODE 0x47
+
+#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
+
+struct cxusb_state {
+ u8 gpio_write_state[3];
+ bool gpio_write_refresh[3];
+ struct i2c_client *i2c_client_demod;
+ struct i2c_client *i2c_client_tuner;
+
+ unsigned char data[MAX_XFER_SIZE];
+
+ struct mutex stream_mutex;
+ u8 last_lock;
+ int (*fe_read_status)(struct dvb_frontend *fe,
+ enum fe_status *status);
+};
+
+enum cxusb_open_type {
+ CXUSB_OPEN_INIT,
+ CXUSB_OPEN_NONE,
+ 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;
+
+ struct dvb_usb_device *dvbdev;
+
+ 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;
+}
+
+static inline int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev)
+{
+ return 0;
+}
+
+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);
+void cxusb_medion_put(struct dvb_usb_device *dvbdev);
+
+#endif