108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/* cx25840 API header
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*
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* Copyright (C) 2003-2004 Chris Kennedy
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _CX25840_H_
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#define _CX25840_H_
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#include <linux/videodev2.h>
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#include <linux/i2c.h>
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/* ENABLE_PVR150_WORKAROUND activates a workaround for a hardware bug that is
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present in Hauppauge PVR-150 (and possibly PVR-500) cards that have
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certain NTSC tuners (tveeprom tuner model numbers 85, 99 and 112). The
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audio autodetect fails on some channels for these models and the workaround
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is to select the audio standard explicitly. Many thanks to Hauppauge for
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providing this information. */
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#define CX25840_CID_ENABLE_PVR150_WORKAROUND (V4L2_CID_PRIVATE_BASE+0)
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enum cx25840_video_input {
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/* Composite video inputs In1-In8 */
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CX25840_COMPOSITE1 = 1,
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CX25840_COMPOSITE2,
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CX25840_COMPOSITE3,
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CX25840_COMPOSITE4,
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CX25840_COMPOSITE5,
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CX25840_COMPOSITE6,
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CX25840_COMPOSITE7,
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CX25840_COMPOSITE8,
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/* S-Video inputs consist of one luma input (In1-In4) ORed with one
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chroma input (In5-In8) */
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CX25840_SVIDEO_LUMA1 = 0x10,
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CX25840_SVIDEO_LUMA2 = 0x20,
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CX25840_SVIDEO_LUMA3 = 0x30,
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CX25840_SVIDEO_LUMA4 = 0x40,
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CX25840_SVIDEO_CHROMA4 = 0x400,
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CX25840_SVIDEO_CHROMA5 = 0x500,
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CX25840_SVIDEO_CHROMA6 = 0x600,
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CX25840_SVIDEO_CHROMA7 = 0x700,
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CX25840_SVIDEO_CHROMA8 = 0x800,
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/* S-Video aliases for common luma/chroma combinations */
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CX25840_SVIDEO1 = 0x510,
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CX25840_SVIDEO2 = 0x620,
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CX25840_SVIDEO3 = 0x730,
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CX25840_SVIDEO4 = 0x840,
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};
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enum cx25840_audio_input {
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/* Audio inputs: serial or In4-In8 */
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CX25840_AUDIO_SERIAL,
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CX25840_AUDIO4 = 4,
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CX25840_AUDIO5,
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CX25840_AUDIO6,
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CX25840_AUDIO7,
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CX25840_AUDIO8,
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};
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struct cx25840_state {
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int pvr150_workaround;
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int radio;
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enum cx25840_video_input vid_input;
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enum cx25840_audio_input aud_input;
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u32 audclk_freq;
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int audmode;
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};
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/* ----------------------------------------------------------------------- */
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/* cx25850-core.c */
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int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
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int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
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u8 cx25840_read(struct i2c_client *client, u16 addr);
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u32 cx25840_read4(struct i2c_client *client, u16 addr);
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int cx25840_and_or(struct i2c_client *client, u16 addr, u8 mask, u8 value);
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v4l2_std_id cx25840_get_v4lstd(struct i2c_client *client);
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/* ----------------------------------------------------------------------- */
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/* cx25850-firmware.c */
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int cx25840_loadfw(struct i2c_client *client);
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/* ----------------------------------------------------------------------- */
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/* cx25850-audio.c */
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int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg);
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void cx25840_audio_set_path(struct i2c_client *client);
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/* ----------------------------------------------------------------------- */
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/* cx25850-vbi.c */
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void cx25840_vbi_setup(struct i2c_client *client);
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int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg);
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#endif
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