3578d3dd0b
- Calculate the audio master clock registers from the actual frequencies. This simplifies the code and it also prepares for adding CGC2 support. - VIDIOC_INT_AUDIO_CLOCK_FREQ now receives an u32 instead of an enum. It is more generic and actually easier to implement. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
94 lines
3.4 KiB
C
94 lines
3.4 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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extern int cx25840_debug;
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#define cx25840_dbg(fmt, arg...) do { if (cx25840_debug) \
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printk(KERN_INFO "%s debug %d-%04x: " fmt, \
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client->driver->driver.name, \
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i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
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#define cx25840_err(fmt, arg...) do { \
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printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \
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i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
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#define cx25840_info(fmt, arg...) do { \
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printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \
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i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
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#define CX25840_CID_CARDTYPE (V4L2_CID_PRIVATE_BASE+0)
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/* The CARDTYPE_PVR150_WORKAROUND cardtype activates a workaround for a
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hardware bug that is present in PVR150 (and possible PVR500) cards that
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have certain NTSC tuners (tveeprom 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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enum cx25840_cardtype {
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CARDTYPE_PVR150,
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CARDTYPE_PG600,
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CARDTYPE_PVR150_WORKAROUND,
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};
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enum cx25840_input {
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CX25840_TUNER,
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CX25840_COMPOSITE0,
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CX25840_COMPOSITE1,
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CX25840_SVIDEO0,
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CX25840_SVIDEO1
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};
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struct cx25840_state {
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enum cx25840_cardtype cardtype;
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enum cx25840_input input;
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int audio_input;
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u32 audclk_freq;
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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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/* ----------------------------------------------------------------------- */
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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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