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 struct 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 69 static inline struct cx25840_state *to_state(struct v4l2_subdev *sd) 70 { 71 return container_of(sd, struct cx25840_state, sd); 72 } 73 74 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 75 { 76 return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd; 77 } 78 79 static inline bool is_cx2583x(struct cx25840_state *state) 80 { 81 return state->id == CX25836 || 82 state->id == CX25837; 83 } 84 85 static inline bool is_cx231xx(struct cx25840_state *state) 86 { 87 return state->id == CX2310X_AV; 88 } 89 90 static 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 97 static inline bool is_cx23885(struct cx25840_state *state) 98 { 99 return state->id == CX23885_AV; 100 } 101 102 static inline bool is_cx23887(struct cx25840_state *state) 103 { 104 return state->id == CX23887_AV; 105 } 106 107 static inline bool is_cx23888(struct cx25840_state *state) 108 { 109 return state->id == CX23888_AV; 110 } 111 112 /* ----------------------------------------------------------------------- */ 113 /* cx25850-core.c */ 114 int cx25840_write(struct i2c_client *client, u16 addr, u8 value); 115 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value); 116 u8 cx25840_read(struct i2c_client *client, u16 addr); 117 u32 cx25840_read4(struct i2c_client *client, u16 addr); 118 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value); 119 int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask, 120 u32 or_value); 121 void cx25840_std_setup(struct i2c_client *client); 122 123 /* ----------------------------------------------------------------------- */ 124 /* cx25850-firmware.c */ 125 int cx25840_loadfw(struct i2c_client *client); 126 127 /* ----------------------------------------------------------------------- */ 128 /* cx25850-audio.c */ 129 void cx25840_audio_set_path(struct i2c_client *client); 130 int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq); 131 132 extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops; 133 134 /* ----------------------------------------------------------------------- */ 135 /* cx25850-vbi.c */ 136 int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt); 137 int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); 138 int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); 139 int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi); 140 141 /* ----------------------------------------------------------------------- */ 142 /* cx25850-ir.c */ 143 extern const struct v4l2_subdev_ir_ops cx25840_ir_ops; 144 int cx25840_ir_log_status(struct v4l2_subdev *sd); 145 int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled); 146 int cx25840_ir_probe(struct v4l2_subdev *sd); 147 int cx25840_ir_remove(struct v4l2_subdev *sd); 148 149 #endif 150