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
  30 struct cx25840_ir_state;
  31
  32 struct 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
  57 static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
  58 {
  59         return container_of(sd, struct cx25840_state, sd);
  60 }
  61
  62 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  63 {
  64         return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
  65 }
  66
  67 static inline bool is_cx2583x(struct cx25840_state *state)
  68 {
  69         return state->id == V4L2_IDENT_CX25836 ||
  70                state->id == V4L2_IDENT_CX25837;
  71 }
  72
  73 static inline bool is_cx231xx(struct cx25840_state *state)
  74 {
  75         return state->id == V4L2_IDENT_CX2310X_AV;
  76 }
  77
  78 static 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
  85 static inline bool is_cx23885(struct cx25840_state *state)
  86 {
  87         return state->id == V4L2_IDENT_CX23885_AV;
  88 }
  89
  90 static inline bool is_cx23887(struct cx25840_state *state)
  91 {
  92         return state->id == V4L2_IDENT_CX23887_AV;
  93 }
  94
  95 static inline bool is_cx23888(struct cx25840_state *state)
  96 {
  97         return state->id == V4L2_IDENT_CX23888_AV;
  98 }
  99
 100 /* ----------------------------------------------------------------------- */
 101 /* cx25850-core.c                                                          */
 102 int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
 103 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
 104 u8 cx25840_read(struct i2c_client *client, u16 addr);
 105 u32 cx25840_read4(struct i2c_client *client, u16 addr);
 106 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
 107 int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
 108                     u32 or_value);
 109 void cx25840_std_setup(struct i2c_client *client);
 110
 111 /* ----------------------------------------------------------------------- */
 112 /* cx25850-firmware.c                                                      */
 113 int cx25840_loadfw(struct i2c_client *client);
 114
 115 /* ----------------------------------------------------------------------- */
 116 /* cx25850-audio.c                                                         */
 117 void cx25840_audio_set_path(struct i2c_client *client);
 118 int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
 119
 120 extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
 121
 122 /* ----------------------------------------------------------------------- */
 123 /* cx25850-vbi.c                                                           */
 124 int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
 125 int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 126 int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
 127 int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
 128
 129 /* ----------------------------------------------------------------------- */
 130 /* cx25850-ir.c                                                            */
 131 extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
 132 int cx25840_ir_log_status(struct v4l2_subdev *sd);
 133 int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
 134 int cx25840_ir_probe(struct v4l2_subdev *sd);
 135 int cx25840_ir_remove(struct v4l2_subdev *sd);
 136
 137 #endif