LXR linux/drivers/media/i2c/cx25840/cx25840-core.h

   1/* cx25840 internal API header
   2 *
   3 * Copyright (C) 2003-2004 Chris Kennedy
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License
   7 * as published by the Free Software Foundation; either version 2
   8 * of the License, or (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18 */
  19
  20#ifndef _CX25840_CORE_H_
  21#define _CX25840_CORE_H_
  22
  23
  24#include <linux/videodev2.h>
  25#include <media/v4l2-device.h>
  26#include <media/v4l2-chip-ident.h>
  27#include <media/v4l2-ctrls.h>
  28#include <linux/i2c.h>
  29
  30struct cx25840_ir_state;
  31
  32struct cx25840_state {
  33        struct i2c_client *c;
  34        struct v4l2_subdev sd;
  35        struct v4l2_ctrl_handler hdl;
  36        struct {
  37                /* volume cluster */
  38                struct v4l2_ctrl *volume;
  39                struct v4l2_ctrl *mute;
  40        };
  41        int pvr150_workaround;
  42        int radio;
  43        v4l2_std_id std;
  44        enum cx25840_video_input vid_input;
  45        enum cx25840_audio_input aud_input;
  46        u32 audclk_freq;
  47        int audmode;
  48        int vbi_line_offset;
  49        u32 id;
  50        u32 rev;
  51        int is_initialized;
  52        wait_queue_head_t fw_wait;    /* wake up when the fw load is finished */
  53        struct work_struct fw_work;   /* work entry for fw load */
  54        struct cx25840_ir_state *ir_state;
  55};
  56
  57static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
  58{
  59        return container_of(sd, struct cx25840_state, sd);
  60}
  61
  62static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  63{
  64        return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
  65}
  66
  67static inline bool is_cx2583x(struct cx25840_state *state)
  68{
  69        return state->id == V4L2_IDENT_CX25836 ||
  70               state->id == V4L2_IDENT_CX25837;
  71}
  72
  73static inline bool is_cx231xx(struct cx25840_state *state)
  74{
  75        return state->id == V4L2_IDENT_CX2310X_AV;
  76}
  77
  78static inline bool is_cx2388x(struct cx25840_state *state)
  79{
  80        return state->id == V4L2_IDENT_CX23885_AV ||
  81               state->id == V4L2_IDENT_CX23887_AV ||
  82               state->id == V4L2_IDENT_CX23888_AV;
  83}
  84
  85static inline bool is_cx23885(struct cx25840_state *state)
  86{
  87        return state->id == V4L2_IDENT_CX23885_AV;
  88}
  89
  90static inline bool is_cx23887(struct cx25840_state *state)
  91{
  92        return state->id == V4L2_IDENT_CX23887_AV;
  93}
  94
  95static inline bool is_cx23888(struct cx25840_state *state)
  96{
  97        return state->id == V4L2_IDENT_CX23888_AV;
  98}
  99
 100/* ----------------------------------------------------------------------- */
 101/* cx25850-core.c                                                          */
 102int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
 103int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
 104u8 cx25840_read(struct i2c_client *client, u16 addr);
 105u32 cx25840_read4(struct i2c_client *client, u16 addr);
 106int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
 107int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
 108                    u32 or_value);
 109void cx25840_std_setup(struct i2c_client *client);
 110
 111/* ----------------------------------------------------------------------- */
 112/* cx25850-firmware.c                                                      */
 113int cx25840_loadfw(struct i2c_client *client);
 114
 115/* ----------------------------------------------------------------------- */
 116/* cx25850-audio.c                                                         */
 117void cx25840_audio_set_path(struct i2c_client *client);
 118int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
 119
 120extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
 121
 122/* ----------------------------------------------------------------------- */
 123/* cx25850-vbi.c                                                           */
 124int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
 125int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 126int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 127int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
 128
 129/* ----------------------------------------------------------------------- */
 130/* cx25850-ir.c                                                            */
 131extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
 132int cx25840_ir_log_status(struct v4l2_subdev *sd);
 133int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
 134int cx25840_ir_probe(struct v4l2_subdev *sd);
 135int cx25840_ir_remove(struct v4l2_subdev *sd);
 136
 137#endif
 138