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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/usb/au0828/au0828.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/usb/au0828/au0828.h')
-rw-r--r--drivers/media/usb/au0828/au0828.h373
1 files changed, 373 insertions, 0 deletions
diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h
new file mode 100644
index 000000000..01a668b1b
--- /dev/null
+++ b/drivers/media/usb/au0828/au0828.h
@@ -0,0 +1,373 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Driver for the Auvitek AU0828 USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/bitops.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <media/tveeprom.h>
+
+/* Analog */
+#include <linux/videodev2.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-vmalloc.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-fh.h>
+#include <media/media-device.h>
+#include <media/media-dev-allocator.h>
+
+/* DVB */
+#include <media/demux.h>
+#include <media/dmxdev.h>
+#include <media/dvb_demux.h>
+#include <media/dvb_frontend.h>
+#include <media/dvb_net.h>
+#include <media/dvbdev.h>
+
+#include "au0828-reg.h"
+#include "au0828-cards.h"
+
+#define URB_COUNT 16
+#define URB_BUFSIZE (0xe522)
+
+/* Analog constants */
+#define NTSC_STD_W 720
+#define NTSC_STD_H 480
+
+#define AU0828_INTERLACED_DEFAULT 1
+
+/* Definition for AU0828 USB transfer */
+#define AU0828_MAX_ISO_BUFS 12 /* maybe resize this value in the future */
+#define AU0828_ISO_PACKETS_PER_URB 128
+
+#define AU0828_MIN_BUF 4
+#define AU0828_DEF_BUF 8
+
+#define AU0828_MAX_INPUT 4
+
+/* au0828 resource types (used for res_get/res_lock etc */
+#define AU0828_RESOURCE_VIDEO 0x01
+#define AU0828_RESOURCE_VBI 0x02
+
+enum au0828_itype {
+ AU0828_VMUX_UNDEFINED = 0,
+ AU0828_VMUX_COMPOSITE,
+ AU0828_VMUX_SVIDEO,
+ AU0828_VMUX_CABLE,
+ AU0828_VMUX_TELEVISION,
+ AU0828_VMUX_DVB,
+};
+
+struct au0828_input {
+ enum au0828_itype type;
+ unsigned int vmux;
+ unsigned int amux;
+ void (*audio_setup) (void *priv, int enable);
+};
+
+struct au0828_board {
+ char *name;
+ unsigned int tuner_type;
+ unsigned char tuner_addr;
+ unsigned char i2c_clk_divider;
+ unsigned char has_ir_i2c:1;
+ unsigned char has_analog:1;
+ struct au0828_input input[AU0828_MAX_INPUT];
+};
+
+struct au0828_dvb {
+ struct mutex lock;
+ struct dvb_adapter adapter;
+ struct dvb_frontend *frontend;
+ struct dvb_demux demux;
+ struct dmxdev dmxdev;
+ struct dmx_frontend fe_hw;
+ struct dmx_frontend fe_mem;
+ struct dvb_net net;
+ int feeding;
+ int start_count;
+ int stop_count;
+
+ int (*set_frontend)(struct dvb_frontend *fe);
+};
+
+enum au0828_stream_state {
+ STREAM_OFF,
+ STREAM_INTERRUPT,
+ STREAM_ON
+};
+
+#define AUVI_INPUT(nr) (dev->board.input[nr])
+
+/* device state */
+enum au0828_dev_state {
+ DEV_INITIALIZED = 0,
+ DEV_DISCONNECTED = 1,
+ DEV_MISCONFIGURED = 2
+};
+
+struct au0828_dev;
+
+struct au0828_usb_isoc_ctl {
+ /* max packet size of isoc transaction */
+ int max_pkt_size;
+
+ /* number of allocated urbs */
+ int num_bufs;
+
+ /* urb for isoc transfers */
+ struct urb **urb;
+
+ /* transfer buffers for isoc transfer */
+ char **transfer_buffer;
+
+ /* Last buffer command and region */
+ u8 cmd;
+ int pos, size, pktsize;
+
+ /* Last field: ODD or EVEN? */
+ int field;
+
+ /* Stores incomplete commands */
+ u32 tmp_buf;
+ int tmp_buf_len;
+
+ /* Stores already requested buffers */
+ struct au0828_buffer *buf;
+ struct au0828_buffer *vbi_buf;
+
+ /* Stores the number of received fields */
+ int nfields;
+
+ /* isoc urb callback */
+ int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb);
+
+};
+
+/* buffer for one video frame */
+struct au0828_buffer {
+ /* common v4l buffer stuff -- must be first */
+ struct vb2_v4l2_buffer vb;
+ struct list_head list;
+
+ void *mem;
+ unsigned long length;
+ int top_field;
+ /* pointer to vmalloc memory address in vb */
+ char *vb_buf;
+};
+
+struct au0828_dmaqueue {
+ struct list_head active;
+ /* Counters to control buffer fill */
+ int pos;
+};
+
+struct au0828_dev {
+ struct mutex mutex;
+ struct usb_device *usbdev;
+ int boardnr;
+ struct au0828_board board;
+ u8 ctrlmsg[64];
+
+ /* I2C */
+ struct i2c_adapter i2c_adap;
+ struct i2c_algorithm i2c_algo;
+ struct i2c_client i2c_client;
+ u32 i2c_rc;
+
+ /* Digital */
+ struct au0828_dvb dvb;
+ struct work_struct restart_streaming;
+ struct timer_list bulk_timeout;
+ int bulk_timeout_running;
+
+#ifdef CONFIG_VIDEO_AU0828_V4L2
+ /* Analog */
+ struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler v4l2_ctrl_hdl;
+#endif
+#ifdef CONFIG_VIDEO_AU0828_RC
+ struct au0828_rc *ir;
+#endif
+
+ struct video_device vdev;
+ struct video_device vbi_dev;
+
+ /* Videobuf2 */
+ struct vb2_queue vb_vidq;
+ struct vb2_queue vb_vbiq;
+ struct mutex vb_queue_lock;
+ struct mutex vb_vbi_queue_lock;
+
+ unsigned int frame_count;
+ unsigned int vbi_frame_count;
+
+ struct timer_list vid_timeout;
+ int vid_timeout_running;
+ struct timer_list vbi_timeout;
+ int vbi_timeout_running;
+
+ int users;
+ int streaming_users;
+
+ int width;
+ int height;
+ int vbi_width;
+ int vbi_height;
+ u32 vbi_read;
+ v4l2_std_id std;
+ u32 field_size;
+ u32 frame_size;
+ u32 bytesperline;
+ int type;
+ u8 ctrl_ainput;
+ __u8 isoc_in_endpointaddr;
+ u8 isoc_init_ok;
+ int greenscreen_detected;
+ int ctrl_freq;
+ int input_type;
+ int std_set_in_tuner_core;
+ unsigned int ctrl_input;
+ long unsigned int dev_state; /* defined at enum au0828_dev_state */;
+ enum au0828_stream_state stream_state;
+ wait_queue_head_t open;
+
+ struct mutex lock;
+
+ /* Isoc control struct */
+ struct au0828_dmaqueue vidq;
+ struct au0828_dmaqueue vbiq;
+ struct au0828_usb_isoc_ctl isoc_ctl;
+ spinlock_t slock;
+
+ /* usb transfer */
+ int alt; /* alternate */
+ int max_pkt_size; /* max packet size of isoc transaction */
+ int num_alt; /* Number of alternative settings */
+ unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
+ struct urb *urb[AU0828_MAX_ISO_BUFS]; /* urb for isoc transfers */
+ char *transfer_buffer[AU0828_MAX_ISO_BUFS];/* transfer buffers for isoc
+ transfer */
+
+ /* DVB USB / URB Related */
+ bool urb_streaming, need_urb_start;
+ struct urb *urbs[URB_COUNT];
+
+ /* Preallocated transfer digital transfer buffers */
+
+ char *dig_transfer_buffer[URB_COUNT];
+
+#ifdef CONFIG_MEDIA_CONTROLLER
+ struct media_device *media_dev;
+ struct media_pad video_pad, vbi_pad;
+ struct media_entity *decoder;
+ struct media_entity input_ent[AU0828_MAX_INPUT];
+ struct media_pad input_pad[AU0828_MAX_INPUT];
+ struct media_entity_notify entity_notify;
+ struct media_entity *tuner;
+ struct media_link *active_link;
+ struct media_entity *active_source;
+ struct media_entity *active_sink;
+ struct media_entity *active_link_owner;
+ struct media_entity *active_link_user;
+ struct media_pipeline *active_link_user_pipe;
+ bool active_link_shared;
+#endif
+};
+
+
+/* ----------------------------------------------------------- */
+#define au0828_read(dev, reg) au0828_readreg(dev, reg)
+#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
+#define au0828_andor(dev, reg, mask, value) \
+ au0828_writereg(dev, reg, \
+ (au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))
+
+#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
+#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
+
+/* ----------------------------------------------------------- */
+/* au0828-core.c */
+extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
+extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
+extern void au0828_usb_release(struct au0828_dev *dev);
+extern int au0828_debug;
+
+/* ----------------------------------------------------------- */
+/* au0828-cards.c */
+extern struct au0828_board au0828_boards[];
+extern struct usb_device_id au0828_usb_id_table[];
+extern void au0828_gpio_setup(struct au0828_dev *dev);
+extern int au0828_tuner_callback(void *priv, int component,
+ int command, int arg);
+extern void au0828_card_setup(struct au0828_dev *dev);
+
+/* ----------------------------------------------------------- */
+/* au0828-i2c.c */
+extern int au0828_i2c_register(struct au0828_dev *dev);
+extern int au0828_i2c_unregister(struct au0828_dev *dev);
+
+/* ----------------------------------------------------------- */
+/* au0828-video.c */
+extern int au0828_start_analog_streaming(struct vb2_queue *vq,
+ unsigned int count);
+extern void au0828_stop_vbi_streaming(struct vb2_queue *vq);
+#ifdef CONFIG_VIDEO_AU0828_V4L2
+extern int au0828_v4l2_device_register(struct usb_interface *interface,
+ struct au0828_dev *dev);
+
+extern int au0828_analog_register(struct au0828_dev *dev,
+ struct usb_interface *interface);
+extern int au0828_analog_unregister(struct au0828_dev *dev);
+extern void au0828_usb_v4l2_media_release(struct au0828_dev *dev);
+extern void au0828_v4l2_suspend(struct au0828_dev *dev);
+extern void au0828_v4l2_resume(struct au0828_dev *dev);
+#else
+static inline int au0828_v4l2_device_register(struct usb_interface *interface,
+ struct au0828_dev *dev)
+{ return 0; };
+static inline int au0828_analog_register(struct au0828_dev *dev,
+ struct usb_interface *interface)
+{ return 0; };
+static inline int au0828_analog_unregister(struct au0828_dev *dev)
+{ return 0; };
+static inline void au0828_usb_v4l2_media_release(struct au0828_dev *dev) { };
+static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { };
+static inline void au0828_v4l2_resume(struct au0828_dev *dev) { };
+#endif
+
+/* ----------------------------------------------------------- */
+/* au0828-dvb.c */
+extern int au0828_dvb_register(struct au0828_dev *dev);
+extern void au0828_dvb_unregister(struct au0828_dev *dev);
+void au0828_dvb_suspend(struct au0828_dev *dev);
+void au0828_dvb_resume(struct au0828_dev *dev);
+
+/* au0828-vbi.c */
+extern const struct vb2_ops au0828_vbi_qops;
+
+#define dprintk(level, fmt, arg...)\
+ do { if (au0828_debug & level)\
+ printk(KERN_DEBUG pr_fmt(fmt), ## arg);\
+ } while (0)
+
+/* au0828-input.c */
+#ifdef CONFIG_VIDEO_AU0828_RC
+extern int au0828_rc_register(struct au0828_dev *dev);
+extern void au0828_rc_unregister(struct au0828_dev *dev);
+extern int au0828_rc_suspend(struct au0828_dev *dev);
+extern int au0828_rc_resume(struct au0828_dev *dev);
+#else
+static inline int au0828_rc_register(struct au0828_dev *dev) { return 0; }
+static inline void au0828_rc_unregister(struct au0828_dev *dev) { }
+static inline int au0828_rc_suspend(struct au0828_dev *dev) { return 0; }
+static inline int au0828_rc_resume(struct au0828_dev *dev) { return 0; }
+#endif