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 158