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 138