| | 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 <linux/i2c.h> |
| | 28 | |
| | 29 | /* ENABLE_PVR150_WORKAROUND activates a workaround for a hardware bug that is |
| | 30 | present in Hauppauge PVR-150 (and possibly PVR-500) cards that have |
| | 31 | certain NTSC tuners (tveeprom tuner model numbers 85, 99 and 112). The |
| | 32 | audio autodetect fails on some channels for these models and the workaround |
| | 33 | is to select the audio standard explicitly. Many thanks to Hauppauge for |
| | 34 | providing this information. */ |
| | 35 | #define CX25840_CID_ENABLE_PVR150_WORKAROUND (V4L2_CID_PRIVATE_BASE+0) |
| | 36 | |
| | 37 | struct cx25840_state { |
| | 38 | struct i2c_client *c; |
| | 39 | struct v4l2_subdev sd; |
| | 40 | int pvr150_workaround; |
| | 41 | int radio; |
| | 42 | v4l2_std_id std; |
| | 43 | enum cx25840_video_input vid_input; |
| | 44 | enum cx25840_audio_input aud_input; |
| | 45 | u32 audclk_freq; |
| | 46 | int audmode; |
| | 47 | int unmute_volume; /* -1 if not muted */ |
| | 48 | int default_volume; |
| | 49 | int vbi_line_offset; |
| | 50 | u32 id; |
| | 51 | u32 rev; |
| | 52 | int is_initialized; |
| | 53 | wait_queue_head_t fw_wait; /* wake up when the fw load is finished */ |
| | 54 | struct work_struct fw_work; /* work entry for fw load */ |
| | 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 bool is_cx2583x(struct cx25840_state *state) |
| | 63 | { |
| | 64 | return state->id == V4L2_IDENT_CX25836 || |
| | 65 | state->id == V4L2_IDENT_CX25837; |
| | 66 | } |
| | 67 | |
| | 68 | static inline bool is_cx231xx(struct cx25840_state *state) |
| | 69 | { |
| | 70 | return state->id == V4L2_IDENT_CX2310X_AV; |
| | 71 | } |
| | 72 | |
| | 73 | static inline bool is_cx2388x(struct cx25840_state *state) |
| | 74 | { |
| | 75 | return state->id == V4L2_IDENT_CX23885_AV || |
| | 76 | state->id == V4L2_IDENT_CX23887_AV || |
| | 77 | state->id == V4L2_IDENT_CX23888_AV; |
| | 78 | } |
| | 79 | |
| | 80 | /* ----------------------------------------------------------------------- */ |
| | 81 | /* cx25850-core.c */ |
| | 82 | int cx25840_write(struct i2c_client *client, u16 addr, u8 value); |
| | 83 | int cx25840_write4(struct i2c_client *client, u16 addr, u32 value); |
| | 84 | u8 cx25840_read(struct i2c_client *client, u16 addr); |
| | 85 | u32 cx25840_read4(struct i2c_client *client, u16 addr); |
| | 86 | int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value); |
| | 87 | void cx25840_std_setup(struct i2c_client *client); |
| | 88 | |
| | 89 | /* ----------------------------------------------------------------------- */ |
| | 90 | /* cx25850-firmware.c */ |
| | 91 | int cx25840_loadfw(struct i2c_client *client); |
| | 92 | |
| | 93 | /* ----------------------------------------------------------------------- */ |
| | 94 | /* cx25850-audio.c */ |
| | 95 | void cx25840_audio_set_path(struct i2c_client *client); |
| | 96 | int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq); |
| | 97 | int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl); |
| | 98 | int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl); |
| | 99 | |
| | 100 | /* ----------------------------------------------------------------------- */ |
| | 101 | /* cx25850-vbi.c */ |
| | 102 | int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt); |
| | 103 | int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); |
| | 104 | int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); |
| | 105 | int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi); |
| | 106 | |
| | 107 | #endif |
projects / mirror_ubuntu-artful-kernel.git / blame_incremental