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- /* cx25840 internal API header
- *
- * Copyright (C) 2003-2004 Chris Kennedy
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- #ifndef _CX25840_CORE_H_
- #define _CX25840_CORE_H_
- #include <linux/videodev2.h>
- #include <linux/i2c.h>
- extern int cx25840_debug;
- /* ENABLE_PVR150_WORKAROUND activates a workaround for a hardware bug that is
- present in Hauppauge PVR-150 (and possibly PVR-500) cards that have
- certain NTSC tuners (tveeprom tuner model numbers 85, 99 and 112). The
- audio autodetect fails on some channels for these models and the workaround
- is to select the audio standard explicitly. Many thanks to Hauppauge for
- providing this information. */
- #define CX25840_CID_ENABLE_PVR150_WORKAROUND (V4L2_CID_PRIVATE_BASE+0)
- struct cx25840_state {
- struct i2c_client c;
- int pvr150_workaround;
- int radio;
- enum cx25840_video_input vid_input;
- enum cx25840_audio_input aud_input;
- u32 audclk_freq;
- int audmode;
- int vbi_line_offset;
- enum v4l2_chip_ident id;
- int is_cx25836;
- };
- /* ----------------------------------------------------------------------- */
- /* cx25850-core.c */
- int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
- int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
- u8 cx25840_read(struct i2c_client *client, u16 addr);
- u32 cx25840_read4(struct i2c_client *client, u16 addr);
- int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
- v4l2_std_id cx25840_get_v4lstd(struct i2c_client *client);
- /* ----------------------------------------------------------------------- */
- /* cx25850-firmware.c */
- int cx25840_loadfw(struct i2c_client *client);
- /* ----------------------------------------------------------------------- */
- /* cx25850-audio.c */
- int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg);
- void cx25840_audio_set_path(struct i2c_client *client);
- /* ----------------------------------------------------------------------- */
- /* cx25850-vbi.c */
- void cx25840_vbi_setup(struct i2c_client *client);
- int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg);
- #endif
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