diff options
Diffstat (limited to 'v4l_experimental/xc3028/xc3028.c')
| -rw-r--r-- | v4l_experimental/xc3028/xc3028.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/v4l_experimental/xc3028/xc3028.c b/v4l_experimental/xc3028/xc3028.c deleted file mode 100644 index 5db6107eb..000000000 --- a/v4l_experimental/xc3028/xc3028.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - - Xceive - xc3028 tuner interface - - Copyright (c) 2006 Markus Rechberger <mrechberger@gmail.com> - - -TODO: - remove em28xx dependency - - add channel locking (requires some more reverse engineering) - - try to get the datasheet from Xceive :) - - 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/i2c.h> -#include <linux/usb.h> -#include "compat.h" -#include <linux/videodev.h> -#include "em28xx.h" -#include <linux/firmware.h> -#include <linux/delay.h> -#include <media/tuner.h> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) -#include "i2c-compat.h" -#endif - -#define XC3028_DEFAULT_FIRMWARE "xceive_xc_3028.fw" - -int xceive_set_color(struct i2c_client *c); - -/* ---------------------------------------------------------------------- */ - -int xc3028_probe(struct i2c_client *c) -{ - printk("xc3028: probe function unknown\n"); - return -1; -} - -static void xc3028_set_tv_freq(struct i2c_client *c, unsigned int freq){ - // the frequency is just shifted and there's a 1:1 relation for all frequencies - // E11 is Das Erste in Germany/Ulm all other channels match their frequency too - - unsigned char chanbuf[4]; - freq<<=2; - chanbuf[0]=0; - chanbuf[1]=0; - chanbuf[2]=(freq&0xff00)>>8; - chanbuf[3]=freq&0x00ff; - i2c_master_send(c,"\xa0\x00\x00\x00",4); - i2c_master_send(c,"\x1e\x1f\x13\x87\x18\x02\x93\x91\x44\x86\x96\x8c",12); - i2c_master_send(c,"\x00\x8c",2); - i2c_master_send(c,"\x80\x02\x00\x00",4); - i2c_master_send(c,chanbuf,4); -} - -int xc3028_init(struct i2c_client *c) -{ - struct tuner *t = i2c_get_clientdata(c); - int ret; - const struct firmware *fw = NULL; - u8 *firmware; - char *fwoffset; - u8 initoffset[8]; - u8 linebuffer[100]; - int splitrange; - struct em28xx *dev; - int i=0; - int d=0; - int txtlen; - long fwoff; - size_t firmware_size = 5000; - - // request firmware from /lib/firmware, note that the file got extracted by the convert application I wrote and which is available - // on linuxtv.org / xc3028 - - ret = request_firmware(&fw, XC3028_DEFAULT_FIRMWARE, &t->i2c.dev); - if (ret) { - printk("xc3028: no firmware uploaded please check %s\n",XC3028_DEFAULT_FIRMWARE); - return ret; - } - firmware = fw->data; - firmware_size = fw->size; - - // small firmware check, both firmwares I have are between 6 and 7k bytes - - if(fw->size>7000||fw->size<6000){ - printk("xc3028: wrong firmware provided!\n"); - release_firmware(fw); - return(ret); - } - for(i=0;i<8&&firmware[i]!='\n';i++); - txtlen=i; - firmware[i++]=0; - fwoff=simple_strtol(firmware,&fwoffset,10); - if(fwoff>fw->size){ - printk("xc3028: firmware offset doesn't match!\n"); - release_firmware(fw); - return(-1); - } - - linebuffer[d++]=0x2a; - dev=c->adapter->algo_data; - - // 0x08 is a GPIO address of the em28xx has to get replaced with something generic here - - dev->em28xx_write_regs(dev, 0x08, "\x6d", 1); - mdelay(100); - dev->em28xx_write_regs(dev, 0x08, "\x7d", 1); - mdelay(100); - - // the firmware always starts with 0x2a + 0x40 bytes payload I use to add the offset of the first part - // as the first line into the firmware binary - - while(i!=fw->size){ - linebuffer[d++]=firmware[i]; - if((d%64==0&&d!=0)||i==fwoff+txtlen){ - i2c_master_send(c,linebuffer,d); - if(i==(fwoff+txtlen)){ - i2c_master_send(c,"\x02\x02",2); - i2c_master_send(c,"\x02\x03",2); - i2c_master_send(c,"\x00\x8c",2); - i2c_master_send(c,"\x00\x00\x00\x00",4); - // another reset here - dev->em28xx_write_regs(dev, 0x08, "\x6d", 1); - mdelay(100); - dev->em28xx_write_regs(dev, 0x08, "\x7d", 1); - mdelay(100); - - } - linebuffer[0]=0x2a; - d=1; - } - i++; - } - printk("xc3024: Firmware uploaded\n"); - - firmware[firmware_size-1]=0; - - release_firmware(fw); - - /* MAGIC VALUES */ - i2c_master_send(c,"\x13\x39",2); - i2c_master_send(c,"\x0c\x80\xf0\xf7\x3e\x75\xc1\x8a\xe4\x02\x00",11); - i2c_master_send(c,"\x05\x0f\xee\xaa\x5f\xea\x90",7); - i2c_master_send(c,"\x06\x00\x0a\x4d\x8c\xf2\xd8\xcf\x30\x79\x9f",11); - i2c_master_send(c,"\x0b\x0d\xa4\x6c",4); - i2c_master_send(c,"\x0a\x01\x67\x24\x40\x08\xc3\x20\x10\x64\x3c\xfa\xf7\xe1\x0c\x2c",0x10); - i2c_master_send(c,"\x09\x0b",0x2); - i2c_master_send(c,"\x10\x13",0x2); - i2c_master_send(c,"\x16\x12",0x2); - i2c_master_send(c,"\x1f\x02",0x2); - i2c_master_send(c,"\x21\x02",0x2); - i2c_master_send(c,"\x01\x02",0x2); - i2c_master_send(c,"\x2b\x10",0x2); - i2c_master_send(c,"\x02\x02",0x2); - i2c_master_send(c,"\x02\x03",0x2); - i2c_master_send(c,"\x00\x8c",0x2); - -#if 0 - // if set video will mostly be black/white - if set_color is called instead the video will have color - i2c_master_send(c,"\x80\x01\x00\x00",0x4); - i2c_master_send(c,"\x00\x5e\x00\x29",0x4); - i2c_master_send(c,"\x2b\x1a",0x2); -#endif - xceive_set_color(c); - t->set_tv_freq = xc3028_set_tv_freq; - return(0); -} - -int xceive_set_color(struct i2c_client *c){ - // I found this codeblock within the sniffed logfile it got called as it is a several times after 0x00 0x04 tuner settings are made - i2c_master_send(c,"\x80\x01\x00\x00",4); - i2c_master_send(c,"\x00\x5e\x00\x29",4); - i2c_master_send(c,"\x2b\x1a",2); - i2c_master_send(c,"\x2b\x1b",2); - i2c_master_send(c,"\x14\x01\x6c\x25\x82\x38\xa4\x49\xa9\x24\x96\x69",0x0c); - i2c_master_send(c,"\x13\x14\x08\x30\x10\x6c\x18\x12\x0d\x19\x32\xad",0x0c); - i2c_master_send(c,"\x0d\x01\x4b\x03\x97\x55\xc7\xd7\x00\xa1\xeb\x8f\x5c",0x0d); - i2c_master_send(c,"\x1a\x00\x00\x16\x8a\x40\x00\x00\x00\x20",0x0a); - i2c_master_send(c,"\x2d\x01",2); - i2c_master_send(c,"\x18\x01",2); - i2c_master_send(c,"\x1b\x01\xb6\x15\x16\xb1\xa6\xd2\xa9\x12\x41\x66",0x0c); - i2c_master_send(c,"\x1d\x00",2); - i2c_master_send(c,"\x0f\x00\x29\x56\xb0\x00\xb6",0x07); - i2c_master_send(c,"\x20\x00",0x02); - i2c_master_send(c,"\x1e\x10\x32\x00\x00\x02\xe4\x81\x00\x06\xa9\x04",0x0c); - i2c_master_send(c,"\x22\x29",0x02); - i2c_master_send(c,"\x23\x06",0x02); - i2c_master_send(c,"\x25\x00\x09\x90\x09\x06\x64\x02\x41",0x09); - i2c_master_send(c,"\x26\xcc",0x02); - i2c_master_send(c,"\x29\x40",0x02); - i2c_master_send(c,"\x21\x03",0x02); - i2c_master_send(c,"\x00\x8c",0x02); - i2c_master_send(c,"\x00\x00\x00\x00",0x04); - i2c_master_send(c,"\x00\x04",0x02); - return(0); -} - - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ |