138 lines
4.6 KiB
C
138 lines
4.6 KiB
C
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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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-chip-ident.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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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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int radio;
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v4l2_std_id std;
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enum cx25840_video_input vid_input;
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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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u32 id;
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u32 rev;
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int is_initialized;
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wait_queue_head_t fw_wait; /* wake up when the fw load is finished */
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struct work_struct fw_work; /* work entry for fw load */
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struct cx25840_ir_state *ir_state;
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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 == V4L2_IDENT_CX25836 ||
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state->id == V4L2_IDENT_CX25837;
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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 == V4L2_IDENT_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 == V4L2_IDENT_CX23885_AV ||
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state->id == V4L2_IDENT_CX23887_AV ||
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state->id == V4L2_IDENT_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 == V4L2_IDENT_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 == V4L2_IDENT_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 == V4L2_IDENT_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 mask, 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, struct v4l2_sliced_vbi_format *fmt);
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int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
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int cx25840_decode_vbi_line(struct v4l2_subdev *sd, 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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