blob: c323b1af1f8357d3ca3e672df9ed5784ac131c23 [file] [log] [blame]
/* cx25840 internal API header
* Copyright (C) 2003-2004 Chris Kennedy
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
#ifndef _CX25840_CORE_H_
#define _CX25840_CORE_H_
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <linux/i2c.h>
struct cx25840_ir_state;
enum cx25840_model {
enum cx25840_media_pads {
* struct cx25840_state - a device instance private data
* @c: i2c_client struct representing this device
* @sd: our V4L2 sub-device
* @hdl: our V4L2 control handler
* @volume: audio volume V4L2 control (non-cx2583x devices only)
* @mute: audio mute V4L2 control (non-cx2583x devices only)
* @pvr150_workaround: whether we enable workaround for Hauppauge PVR150
* hardware bug (audio dropping out)
* @radio: set if we are currently in the radio mode, otherwise
* the current mode is non-radio (that is, video)
* @std: currently set video standard
* @vid_input: currently set video input
* @aud_input: currently set audio input
* @audclk_freq: currently set audio sample rate
* @audmode: currently set audio mode (when in non-radio mode)
* @vbi_line_offset: vbi line number offset
* @id: exact device model
* @rev: raw device id read from the chip
* @is_initialized: whether we have already loaded firmware into the chip
* and initialized it
* @vbi_regs_offset: offset of vbi regs
* @fw_wait: wait queue to wake an initalization function up when
* firmware loading (on a separate workqueue) finishes
* @fw_work: a work that actually loads the firmware on a separate
* workqueue
* @ir_state: a pointer to chip IR controller private data
* @pads: array of supported chip pads (currently only a stub)
struct cx25840_state {
struct i2c_client *c;
struct v4l2_subdev sd;
struct v4l2_ctrl_handler hdl;
struct {
/* volume cluster */
struct v4l2_ctrl *volume;
struct v4l2_ctrl *mute;
int pvr150_workaround;
int radio;
v4l2_std_id std;
enum cx25840_video_input vid_input;
enum cx25840_audio_input aud_input;
u32 audclk_freq;
int audmode;
int vbi_line_offset;
enum cx25840_model id;
u32 rev;
int is_initialized;
unsigned vbi_regs_offset;
wait_queue_head_t fw_wait;
struct work_struct fw_work;
struct cx25840_ir_state *ir_state;
struct media_pad pads[CX25840_NUM_PADS];
static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
return container_of(sd, struct cx25840_state, sd);
static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
static inline bool is_cx2583x(struct cx25840_state *state)
return state->id == CX25836 ||
state->id == CX25837;
static inline bool is_cx231xx(struct cx25840_state *state)
return state->id == CX2310X_AV;
static inline bool is_cx2388x(struct cx25840_state *state)
return state->id == CX23885_AV ||
state->id == CX23887_AV ||
state->id == CX23888_AV;
static inline bool is_cx23885(struct cx25840_state *state)
return state->id == CX23885_AV;
static inline bool is_cx23887(struct cx25840_state *state)
return state->id == CX23887_AV;
static inline bool is_cx23888(struct cx25840_state *state)
return state->id == CX23888_AV;
/* ----------------------------------------------------------------------- */
/* cx25850-core.c */
int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
u8 cx25840_read(struct i2c_client *client, u16 addr);
u32 cx25840_read4(struct i2c_client *client, u16 addr);
int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
u32 or_value);
void cx25840_std_setup(struct i2c_client *client);
/* ----------------------------------------------------------------------- */
/* cx25850-firmware.c */
int cx25840_loadfw(struct i2c_client *client);
/* ----------------------------------------------------------------------- */
/* cx25850-audio.c */
void cx25840_audio_set_path(struct i2c_client *client);
int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
/* ----------------------------------------------------------------------- */
/* cx25850-vbi.c */
int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
/* ----------------------------------------------------------------------- */
/* cx25850-ir.c */
extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
int cx25840_ir_log_status(struct v4l2_subdev *sd);
int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
int cx25840_ir_probe(struct v4l2_subdev *sd);
int cx25840_ir_remove(struct v4l2_subdev *sd);