diff options
Diffstat (limited to 'drivers/media/i2c/cx25840/cx25840-core.h')
| -rw-r--r-- | drivers/media/i2c/cx25840/cx25840-core.h | 137 |
1 files changed, 137 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 000000000000..bd4ada28b490 --- /dev/null +++ b/drivers/media/i2c/cx25840/cx25840-core.h @@ -0,0 +1,137 @@ +/* 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 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef _CX25840_CORE_H_ +#define _CX25840_CORE_H_ + + +#include <linux/videodev2.h> +#include <media/v4l2-device.h> +#include <media/v4l2-chip-ident.h> +#include <media/v4l2-ctrls.h> +#include <linux/i2c.h> + +struct cx25840_ir_state; + +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; + u32 id; + u32 rev; + int is_initialized; + wait_queue_head_t fw_wait; /* wake up when the fw load is finished */ + struct work_struct fw_work; /* work entry for fw load */ + struct cx25840_ir_state *ir_state; +}; + +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 == V4L2_IDENT_CX25836 || + state->id == V4L2_IDENT_CX25837; +} + +static inline bool is_cx231xx(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_CX2310X_AV; +} + +static inline bool is_cx2388x(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_CX23885_AV || + state->id == V4L2_IDENT_CX23887_AV || + state->id == V4L2_IDENT_CX23888_AV; +} + +static inline bool is_cx23885(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_CX23885_AV; +} + +static inline bool is_cx23887(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_CX23887_AV; +} + +static inline bool is_cx23888(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_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); + +#endif |