kernel/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
  29 struct cx25840_ir_state;
  30
  31 enum 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
  44 enum cx25840_media_pads {
  45         CX25840_PAD_INPUT,
  46         CX25840_PAD_VID_OUT,
  47         CX25840_PAD_VBI_OUT,
  48
  49         CX25840_NUM_PADS
  50 };
  51
  52 struct cx25840_state {
  53         struct i2c_client *c;
  54         struct v4l2_subdev sd;
  55         struct v4l2_ctrl_handler hdl;
  56         struct {
  57                 /* volume cluster */
  58                 struct v4l2_ctrl *volume;
  59                 struct v4l2_ctrl *mute;
  60         };
  61         int pvr150_workaround;
  62         int radio;
  63         v4l2_std_id std;
  64         enum cx25840_video_input vid_input;
  65         enum cx25840_audio_input aud_input;
  66         u32 audclk_freq;
  67         int audmode;
  68         int vbi_line_offset;
  69         enum cx25840_model id;
  70         u32 rev;
  71         int is_initialized;
  72         wait_queue_head_t fw_wait;    /* wake up when the fw load is finished */
  73         struct work_struct fw_work;   /* work entry for fw load */
  74         struct cx25840_ir_state *ir_state;
  75 #if defined(CONFIG_MEDIA_CONTROLLER)
  76         struct media_pad        pads[CX25840_NUM_PADS];
  77 #endif
  78 };
  79
  80 static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
  81 {
  82         return container_of(sd, struct cx25840_state, sd);
  83 }
  84
  85 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  86 {
  87         return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
  88 }
  89
  90 static inline bool is_cx2583x(struct cx25840_state *state)
  91 {
  92         return state->id == CX25836 ||
  93                state->id == CX25837;
  94 }
  95
  96 static inline bool is_cx231xx(struct cx25840_state *state)
  97 {
  98         return state->id == CX2310X_AV;
  99 }
 100
 101 static inline bool is_cx2388x(struct cx25840_state *state)
 102 {
 103         return state->id == CX23885_AV ||
 104                state->id == CX23887_AV ||
 105                state->id == CX23888_AV;
 106 }
 107
 108 static inline bool is_cx23885(struct cx25840_state *state)
 109 {
 110         return state->id == CX23885_AV;
 111 }
 112
 113 static inline bool is_cx23887(struct cx25840_state *state)
 114 {
 115         return state->id == CX23887_AV;
 116 }
 117
 118 static inline bool is_cx23888(struct cx25840_state *state)
 119 {
 120         return state->id == CX23888_AV;
 121 }
 122
 123 /* ----------------------------------------------------------------------- */
 124 /* cx25850-core.c                                                          */
 125 int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
 126 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
 127 u8 cx25840_read(struct i2c_client *client, u16 addr);
 128 u32 cx25840_read4(struct i2c_client *client, u16 addr);
 129 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
 130 int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
 131                     u32 or_value);
 132 void cx25840_std_setup(struct i2c_client *client);
 133
 134 /* ----------------------------------------------------------------------- */
 135 /* cx25850-firmware.c                                                      */
 136 int cx25840_loadfw(struct i2c_client *client);
 137
 138 /* ----------------------------------------------------------------------- */
 139 /* cx25850-audio.c                                                         */
 140 void cx25840_audio_set_path(struct i2c_client *client);
 141 int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
 142
 143 extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
 144
 145 /* ----------------------------------------------------------------------- */
 146 /* cx25850-vbi.c                                                           */
 147 int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
 148 int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 149 int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 150 int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
 151
 152 /* ----------------------------------------------------------------------- */
 153 /* cx25850-ir.c                                                            */
 154 extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
 155 int cx25840_ir_log_status(struct v4l2_subdev *sd);
 156 int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
 157 int cx25840_ir_probe(struct v4l2_subdev *sd);
 158 int cx25840_ir_remove(struct v4l2_subdev *sd);
 159
 160 #endif