195 lines
5.9 KiB
C
195 lines
5.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* cx25840 internal API header
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*
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* Copyright (C) 2003-2004 Chris Kennedy
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*/
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#ifndef _CX25840_CORE_H_
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#define _CX25840_CORE_H_
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#include <linux/videodev2.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ctrls.h>
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#include <linux/i2c.h>
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struct cx25840_ir_state;
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enum cx25840_model {
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CX23885_AV,
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CX23887_AV,
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CX23888_AV,
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CX2310X_AV,
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CX25840,
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CX25841,
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CX25842,
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CX25843,
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CX25836,
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CX25837,
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};
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enum cx25840_media_pads {
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CX25840_PAD_INPUT,
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CX25840_PAD_VID_OUT,
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CX25840_NUM_PADS
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};
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/**
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* struct cx25840_state - a device instance private data
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* @c: i2c_client struct representing this device
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* @sd: our V4L2 sub-device
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* @hdl: our V4L2 control handler
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* @volume: audio volume V4L2 control (non-cx2583x devices only)
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* @mute: audio mute V4L2 control (non-cx2583x devices only)
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* @pvr150_workaround: whether we enable workaround for Hauppauge PVR150
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* hardware bug (audio dropping out)
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* @generic_mode: whether we disable ivtv-specific hacks
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* this mode gets turned on when the bridge driver calls
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* cx25840 subdevice init core op
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* @radio: set if we are currently in the radio mode, otherwise
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* the current mode is non-radio (that is, video)
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* @std: currently set video standard
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* @vid_input: currently set video input
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* @vid_config: currently set video output configuration
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* only used in the generic mode
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* @aud_input: currently set audio input
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* @audclk_freq: currently set audio sample rate
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* @audmode: currently set audio mode (when in non-radio mode)
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* @vbi_line_offset: vbi line number offset
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* @id: exact device model
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* @rev: raw device id read from the chip
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* @is_initialized: whether we have already loaded firmware into the chip
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* and initialized it
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* @vbi_regs_offset: offset of vbi regs
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* @fw_wait: wait queue to wake an initialization function up when
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* firmware loading (on a separate workqueue) finishes
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* @fw_work: a work that actually loads the firmware on a separate
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* workqueue
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* @ir_state: a pointer to chip IR controller private data
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* @pads: array of supported chip pads (currently only a stub)
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*/
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struct cx25840_state {
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struct i2c_client *c;
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struct v4l2_subdev sd;
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struct v4l2_ctrl_handler hdl;
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struct {
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/* volume cluster */
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struct v4l2_ctrl *volume;
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struct v4l2_ctrl *mute;
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};
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int pvr150_workaround;
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bool generic_mode;
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int radio;
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v4l2_std_id std;
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enum cx25840_video_input vid_input;
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u32 vid_config;
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enum cx25840_audio_input aud_input;
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u32 audclk_freq;
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int audmode;
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int vbi_line_offset;
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enum cx25840_model id;
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u32 rev;
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int is_initialized;
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unsigned int vbi_regs_offset;
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wait_queue_head_t fw_wait;
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struct work_struct fw_work;
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struct cx25840_ir_state *ir_state;
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#if defined(CONFIG_MEDIA_CONTROLLER)
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struct media_pad pads[CX25840_NUM_PADS];
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#endif
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};
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static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct cx25840_state, sd);
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}
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static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
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{
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return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
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}
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static inline bool is_cx2583x(struct cx25840_state *state)
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{
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return state->id == CX25836 ||
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state->id == CX25837;
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}
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static inline bool is_cx2584x(struct cx25840_state *state)
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{
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return state->id == CX25840 ||
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state->id == CX25841 ||
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state->id == CX25842 ||
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state->id == CX25843;
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}
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static inline bool is_cx231xx(struct cx25840_state *state)
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{
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return state->id == CX2310X_AV;
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}
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static inline bool is_cx2388x(struct cx25840_state *state)
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{
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return state->id == CX23885_AV ||
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state->id == CX23887_AV ||
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state->id == CX23888_AV;
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}
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static inline bool is_cx23885(struct cx25840_state *state)
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{
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return state->id == CX23885_AV;
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}
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static inline bool is_cx23887(struct cx25840_state *state)
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{
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return state->id == CX23887_AV;
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}
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static inline bool is_cx23888(struct cx25840_state *state)
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{
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return state->id == CX23888_AV;
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}
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/* ----------------------------------------------------------------------- */
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/* cx25850-core.c */
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int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
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int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
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u8 cx25840_read(struct i2c_client *client, u16 addr);
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u32 cx25840_read4(struct i2c_client *client, u16 addr);
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int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned int mask,
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u8 value);
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int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
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u32 or_value);
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void cx25840_std_setup(struct i2c_client *client);
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/* ----------------------------------------------------------------------- */
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/* cx25850-firmware.c */
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int cx25840_loadfw(struct i2c_client *client);
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/* ----------------------------------------------------------------------- */
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/* cx25850-audio.c */
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void cx25840_audio_set_path(struct i2c_client *client);
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int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
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extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
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/* ----------------------------------------------------------------------- */
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/* cx25850-vbi.c */
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int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
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int cx25840_s_sliced_fmt(struct v4l2_subdev *sd,
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struct v4l2_sliced_vbi_format *fmt);
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int cx25840_g_sliced_fmt(struct v4l2_subdev *sd,
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struct v4l2_sliced_vbi_format *fmt);
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int cx25840_decode_vbi_line(struct v4l2_subdev *sd,
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struct v4l2_decode_vbi_line *vbi);
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/* ----------------------------------------------------------------------- */
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/* cx25850-ir.c */
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extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
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int cx25840_ir_log_status(struct v4l2_subdev *sd);
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int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
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int cx25840_ir_probe(struct v4l2_subdev *sd);
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int cx25840_ir_remove(struct v4l2_subdev *sd);
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#endif
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