diff options
Diffstat (limited to 'drivers/media/i2c/cx25840/cx25840-core.h')
| -rw-r--r-- | drivers/media/i2c/cx25840/cx25840-core.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/drivers/media/i2c/cx25840/cx25840-core.h b/drivers/media/i2c/cx25840/cx25840-core.h new file mode 100644 index 000000000..8b89e9068 --- /dev/null +++ b/drivers/media/i2c/cx25840/cx25840-core.h @@ -0,0 +1,194 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* cx25840 internal API header + * + * Copyright (C) 2003-2004 Chris Kennedy + */ + +#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 { + CX23885_AV, + CX23887_AV, + CX23888_AV, + CX2310X_AV, + CX25840, + CX25841, + CX25842, + CX25843, + CX25836, + CX25837, +}; + +enum cx25840_media_pads { + CX25840_PAD_INPUT, + CX25840_PAD_VID_OUT, + + CX25840_NUM_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) + * @generic_mode: whether we disable ivtv-specific hacks + * this mode gets turned on when the bridge driver calls + * cx25840 subdevice init core op + * @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 + * @vid_config: currently set video output configuration + * only used in the generic mode + * @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 initialization 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; + bool generic_mode; + int radio; + v4l2_std_id std; + enum cx25840_video_input vid_input; + u32 vid_config; + 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 int vbi_regs_offset; + wait_queue_head_t fw_wait; + struct work_struct fw_work; + struct cx25840_ir_state *ir_state; +#if defined(CONFIG_MEDIA_CONTROLLER) + struct media_pad pads[CX25840_NUM_PADS]; +#endif +}; + +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_cx2584x(struct cx25840_state *state) +{ + return state->id == CX25840 || + state->id == CX25841 || + state->id == CX25842 || + state->id == CX25843; +} + +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 int 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); + +#endif |