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-ctrls.h>
  27#include <linux/i2c.h>
  28
  29struct cx25840_ir_state;
  30
  31enum cx25840_model {
  32        CX23885_AV,
  33        CX23887_AV,
  34        CX23888_AV,
  35        CX2310X_AV,
  36        CX25840,
  37        CX25841,
  38        CX25842,
  39        CX25843,
  40        CX25836,
  41        CX25837,
  42};
  43
  44struct cx25840_state {
  45        struct i2c_client *c;
  46        struct v4l2_subdev sd;
  47        struct v4l2_ctrl_handler hdl;
  48        struct {
  49                /* volume cluster */
  50                struct v4l2_ctrl *volume;
  51                struct v4l2_ctrl *mute;
  52        };
  53        int pvr150_workaround;
  54        int radio;
  55        v4l2_std_id std;
  56        enum cx25840_video_input vid_input;
  57        enum cx25840_audio_input aud_input;
  58        u32 audclk_freq;
  59        int audmode;
  60        int vbi_line_offset;
  61        enum cx25840_model id;
  62        u32 rev;
  63        int is_initialized;
  64        wait_queue_head_t fw_wait;    /* wake up when the fw load is finished */
  65        struct work_struct fw_work;   /* work entry for fw load */
  66        struct cx25840_ir_state *ir_state;
  67};
  68
  69static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
  70{
  71        return container_of(sd, struct cx25840_state, sd);
  72}
  73
  74static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  75{
  76        return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
  77}
  78
  79static inline bool is_cx2583x(struct cx25840_state *state)
  80{
  81        return state->id == CX25836 ||
  82               state->id == CX25837;
  83}
  84
  85static inline bool is_cx231xx(struct cx25840_state *state)
  86{
  87        return state->id == CX2310X_AV;
  88}
  89
  90static inline bool is_cx2388x(struct cx25840_state *state)
  91{
  92        return state->id == CX23885_AV ||
  93               state->id == CX23887_AV ||
  94               state->id == CX23888_AV;
  95}
  96
  97static inline bool is_cx23885(struct cx25840_state *state)
  98{
  99        return state->id == CX23885_AV;
 100}
 101
 102static inline bool is_cx23887(struct cx25840_state *state)
 103{
 104        return state->id == CX23887_AV;
 105}
 106
 107static inline bool is_cx23888(struct cx25840_state *state)
 108{
 109        return state->id == CX23888_AV;
 110}
 111
 112/* ----------------------------------------------------------------------- */
 113/* cx25850-core.c                                                          */
 114int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
 115int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
 116u8 cx25840_read(struct i2c_client *client, u16 addr);
 117u32 cx25840_read4(struct i2c_client *client, u16 addr);
 118int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
 119int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
 120                    u32 or_value);
 121void cx25840_std_setup(struct i2c_client *client);
 122
 123/* ----------------------------------------------------------------------- */
 124/* cx25850-firmware.c                                                      */
 125int cx25840_loadfw(struct i2c_client *client);
 126
 127/* ----------------------------------------------------------------------- */
 128/* cx25850-audio.c                                                         */
 129void cx25840_audio_set_path(struct i2c_client *client);
 130int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
 131
 132extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
 133
 134/* ----------------------------------------------------------------------- */
 135/* cx25850-vbi.c                                                           */
 136int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
 137int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 138int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 139int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
 140
 141/* ----------------------------------------------------------------------- */
 142/* cx25850-ir.c                                                            */
 143extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
 144int cx25840_ir_log_status(struct v4l2_subdev *sd);
 145int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
 146int cx25840_ir_probe(struct v4l2_subdev *sd);
 147int cx25840_ir_remove(struct v4l2_subdev *sd);
 148
 149#endif
 150