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
  16 #ifndef _CX25840_CORE_H_
  17 #define _CX25840_CORE_H_
  18
  19
  20 #include <linux/videodev2.h>
  21 #include <media/v4l2-device.h>
  22 #include <media/v4l2-ctrls.h>
  23 #include <linux/i2c.h>
  24
  25 struct cx25840_ir_state;
  26
  27 enum cx25840_model {
  28         CX23885_AV,
  29         CX23887_AV,
  30         CX23888_AV,
  31         CX2310X_AV,
  32         CX25840,
  33         CX25841,
  34         CX25842,
  35         CX25843,
  36         CX25836,
  37         CX25837,
  38 };
  39
  40 enum cx25840_media_pads {
  41         CX25840_PAD_INPUT,
  42         CX25840_PAD_VID_OUT,
  43         CX25840_PAD_VBI_OUT,
  44
  45         CX25840_NUM_PADS
  46 };
  47
  48 struct cx25840_state {
  49         struct i2c_client *c;
  50         struct v4l2_subdev sd;
  51         struct v4l2_ctrl_handler hdl;
  52         struct {
  53                 /* volume cluster */
  54                 struct v4l2_ctrl *volume;
  55                 struct v4l2_ctrl *mute;
  56         };
  57         int pvr150_workaround;
  58         int radio;
  59         v4l2_std_id std;
  60         enum cx25840_video_input vid_input;
  61         enum cx25840_audio_input aud_input;
  62         u32 audclk_freq;
  63         int audmode;
  64         int vbi_line_offset;
  65         enum cx25840_model id;
  66         u32 rev;
  67         int is_initialized;
  68         unsigned vbi_regs_offset;
  69         wait_queue_head_t fw_wait;    /* wake up when the fw load is finished */
  70         struct work_struct fw_work;   /* work entry for fw load */
  71         struct cx25840_ir_state *ir_state;
  72 #if defined(CONFIG_MEDIA_CONTROLLER)
  73         struct media_pad        pads[CX25840_NUM_PADS];
  74 #endif
  75 };
  76
  77 static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
  78 {
  79         return container_of(sd, struct cx25840_state, sd);
  80 }
  81
  82 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  83 {
  84         return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
  85 }
  86
  87 static inline bool is_cx2583x(struct cx25840_state *state)
  88 {
  89         return state->id == CX25836 ||
  90                state->id == CX25837;
  91 }
  92
  93 static inline bool is_cx231xx(struct cx25840_state *state)
  94 {
  95         return state->id == CX2310X_AV;
  96 }
  97
  98 static inline bool is_cx2388x(struct cx25840_state *state)
  99 {
 100         return state->id == CX23885_AV ||
 101                state->id == CX23887_AV ||
 102                state->id == CX23888_AV;
 103 }
 104
 105 static inline bool is_cx23885(struct cx25840_state *state)
 106 {
 107         return state->id == CX23885_AV;
 108 }
 109
 110 static inline bool is_cx23887(struct cx25840_state *state)
 111 {
 112         return state->id == CX23887_AV;
 113 }
 114
 115 static inline bool is_cx23888(struct cx25840_state *state)
 116 {
 117         return state->id == CX23888_AV;
 118 }
 119
 120 /* ----------------------------------------------------------------------- */
 121 /* cx25850-core.c                                                          */
 122 int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
 123 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
 124 u8 cx25840_read(struct i2c_client *client, u16 addr);
 125 u32 cx25840_read4(struct i2c_client *client, u16 addr);
 126 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
 127 int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
 128                     u32 or_value);
 129 void cx25840_std_setup(struct i2c_client *client);
 130
 131 /* ----------------------------------------------------------------------- */
 132 /* cx25850-firmware.c                                                      */
 133 int cx25840_loadfw(struct i2c_client *client);
 134
 135 /* ----------------------------------------------------------------------- */
 136 /* cx25850-audio.c                                                         */
 137 void cx25840_audio_set_path(struct i2c_client *client);
 138 int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
 139
 140 extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
 141
 142 /* ----------------------------------------------------------------------- */
 143 /* cx25850-vbi.c                                                           */
 144 int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
 145 int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 146 int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 147 int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
 148
 149 /* ----------------------------------------------------------------------- */
 150 /* cx25850-ir.c                                                            */
 151 extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
 152 int cx25840_ir_log_status(struct v4l2_subdev *sd);
 153 int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
 154 int cx25840_ir_probe(struct v4l2_subdev *sd);
 155 int cx25840_ir_remove(struct v4l2_subdev *sd);
 156
 157 #endif