diff options
Diffstat (limited to 'drivers/media/video/zr36120_i2c.c')
| -rw-r--r-- | drivers/media/video/zr36120_i2c.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/drivers/media/video/zr36120_i2c.c b/drivers/media/video/zr36120_i2c.c deleted file mode 100644 index 21fde43..0000000 --- a/drivers/media/video/zr36120_i2c.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - zr36120_i2c.c - Zoran 36120/36125 based framegrabbers - - Copyright (C) 1998-1999 Pauline Middelink <middelin@polyware.nl> - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include <linux/types.h> -#include <linux/delay.h> -#include <asm/io.h> - -#include <linux/video_decoder.h> -#include <asm/uaccess.h> - -#include "tuner.h" -#include "zr36120.h" - -/* ----------------------------------------------------------------------- */ -/* I2C functions */ -/* ----------------------------------------------------------------------- */ - -/* software I2C functions */ - -#define I2C_DELAY 10 - -static void i2c_setlines(struct i2c_bus *bus,int ctrl,int data) -{ - struct zoran *ztv = (struct zoran*)bus->data; - unsigned int b = 0; - if (data) b |= ztv->card->swapi2c ? ZORAN_I2C_SCL : ZORAN_I2C_SDA; - if (ctrl) b |= ztv->card->swapi2c ? ZORAN_I2C_SDA : ZORAN_I2C_SCL; - zrwrite(b, ZORAN_I2C); - udelay(I2C_DELAY); -} - -static int i2c_getdataline(struct i2c_bus *bus) -{ - struct zoran *ztv = (struct zoran*)bus->data; - if (ztv->card->swapi2c) - return zrread(ZORAN_I2C) & ZORAN_I2C_SCL; - return zrread(ZORAN_I2C) & ZORAN_I2C_SDA; -} - -static -void attach_inform(struct i2c_bus *bus, int id) -{ - struct zoran *ztv = (struct zoran*)bus->data; - struct video_decoder_capability dc; - int rv; - - switch (id) { - case I2C_DRIVERID_VIDEODECODER: - DEBUG(printk(CARD_INFO "decoder attached\n",CARD)); - - /* fetch the capabilities of the decoder */ - rv = i2c_control_device(&ztv->i2c, I2C_DRIVERID_VIDEODECODER, DECODER_GET_CAPABILITIES, &dc); - if (rv) { - DEBUG(printk(CARD_DEBUG "decoder is not V4L aware!\n",CARD)); - break; - } - DEBUG(printk(CARD_DEBUG "capabilities %d %d %d\n",CARD,dc.flags,dc.inputs,dc.outputs)); - - /* Test if the decoder can de VBI transfers */ - if (dc.flags & 16 /*VIDEO_DECODER_VBI*/) - ztv->have_decoder = 2; - else - ztv->have_decoder = 1; - break; - case I2C_DRIVERID_TUNER: - ztv->have_tuner = 1; - DEBUG(printk(CARD_INFO "tuner attached\n",CARD)); - if (ztv->tuner_type >= 0) - { - if (i2c_control_device(&ztv->i2c,I2C_DRIVERID_TUNER,TUNER_SET_TYPE,&ztv->tuner_type)<0) - DEBUG(printk(CARD_INFO "attach_inform; tuner won't be set to type %d\n",CARD,ztv->tuner_type)); - } - break; - default: - DEBUG(printk(CARD_INFO "attach_inform; unknown device id=%d\n",CARD,id)); - break; - } -} - -static -void detach_inform(struct i2c_bus *bus, int id) -{ - struct zoran *ztv = (struct zoran*)bus->data; - - switch (id) { - case I2C_DRIVERID_VIDEODECODER: - ztv->have_decoder = 0; - DEBUG(printk(CARD_INFO "decoder detached\n",CARD)); - break; - case I2C_DRIVERID_TUNER: - ztv->have_tuner = 0; - DEBUG(printk(CARD_INFO "tuner detached\n",CARD)); - break; - default: - DEBUG(printk(CARD_INFO "detach_inform; unknown device id=%d\n",CARD,id)); - break; - } -} - -struct i2c_bus zoran_i2c_bus_template = -{ - "ZR36120", - I2C_BUSID_ZORAN, - NULL, - - SPIN_LOCK_UNLOCKED, - - attach_inform, - detach_inform, - - i2c_setlines, - i2c_getdataline, - NULL, - NULL -}; |