From faecfb1760325613debd8df9b9374ce4a28c01d9 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 17 Mar 2006 12:07:22 -0300 Subject: V4L/DVB (3539): Move bttv fragments to bt8xx/ Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt832.c | 266 -------------------------------------------- 1 file changed, 266 deletions(-) delete mode 100644 drivers/media/video/bt832.c (limited to 'drivers/media/video/bt832.c') diff --git a/drivers/media/video/bt832.c b/drivers/media/video/bt832.c deleted file mode 100644 index cc54b62..0000000 --- a/drivers/media/video/bt832.c +++ /dev/null @@ -1,266 +0,0 @@ -/* Driver for Bt832 CMOS Camera Video Processor - i2c-addresses: 0x88 or 0x8a - - The BT832 interfaces to a Quartzsight Digital Camera (352x288, 25 or 30 fps) - via a 9 pin connector ( 4-wire SDATA, 2-wire i2c, SCLK, VCC, GND). - It outputs an 8-bit 4:2:2 YUV or YCrCb video signal which can be directly - connected to bt848/bt878 GPIO pins on this purpose. - (see: VLSI Vision Ltd. www.vvl.co.uk for camera datasheets) - - Supported Cards: - - Pixelview Rev.4E: 0x8a - GPIO 0x400000 toggles Bt832 RESET, and the chip changes to i2c 0x88 ! - - (c) Gunther Mayer, 2002 - - STATUS: - - detect chip and hexdump - - reset chip and leave low power mode - - detect camera present - - TODO: - - make it work (find correct setup for Bt832 and Bt878) -*/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "bttv.h" -#include "bt832.h" - -MODULE_LICENSE("GPL"); - -/* Addresses to scan */ -static unsigned short normal_i2c[] = { I2C_BT832_ALT1>>1, I2C_BT832_ALT2>>1, - I2C_CLIENT_END }; -I2C_CLIENT_INSMOD; - -int debug; /* debug output */ -module_param(debug, int, 0644); - -/* ---------------------------------------------------------------------- */ - -static int bt832_detach(struct i2c_client *client); - - -static struct i2c_driver driver; -static struct i2c_client client_template; - -struct bt832 { - struct i2c_client client; -}; - -int bt832_hexdump(struct i2c_client *i2c_client_s, unsigned char *buf) -{ - int i,rc; - buf[0]=0x80; // start at register 0 with auto-increment - if (1 != (rc = i2c_master_send(i2c_client_s,buf,1))) - v4l_err(i2c_client_s,"i2c i/o error: rc == %d (should be 1)\n",rc); - - for(i=0;i<65;i++) - buf[i]=0; - if (65 != (rc=i2c_master_recv(i2c_client_s,buf,65))) - v4l_err(i2c_client_s,"i2c i/o error: rc == %d (should be 65)\n",rc); - - // Note: On READ the first byte is the current index - // (e.g. 0x80, what we just wrote) - - if(debug>1) { - int i; - v4l_dbg(2, debug,i2c_client_s,"hexdump:"); - for(i=1;i<65;i++) { - if(i!=1) { - if(((i-1)%8)==0) printk(" "); - if(((i-1)%16)==0) { - printk("\n"); - v4l_dbg(2, debug,i2c_client_s,"hexdump:"); - } - } - printk(" %02x",buf[i]); - } - printk("\n"); - } - return 0; -} - -// Return: 1 (is a bt832), 0 (No bt832 here) -int bt832_init(struct i2c_client *i2c_client_s) -{ - unsigned char *buf; - int rc; - - buf=kmalloc(65,GFP_KERNEL); - bt832_hexdump(i2c_client_s,buf); - - if(buf[0x40] != 0x31) { - v4l_err(i2c_client_s,"This i2c chip is no bt832 (id=%02x). Detaching.\n",buf[0x40]); - kfree(buf); - return 0; - } - - v4l_err(i2c_client_s,"Write 0 tp VPSTATUS\n"); - buf[0]=BT832_VP_STATUS; // Reg.52 - buf[1]= 0x00; - if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - v4l_err(i2c_client_s,"i2c i/o error VPS: rc == %d (should be 2)\n",rc); - - bt832_hexdump(i2c_client_s,buf); - - - // Leave low power mode: - v4l_err(i2c_client_s,"leave low power mode.\n"); - buf[0]=BT832_CAM_SETUP0; //0x39 57 - buf[1]=0x08; - if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - v4l_err(i2c_client_s,"i2c i/o error LLPM: rc == %d (should be 2)\n",rc); - - bt832_hexdump(i2c_client_s,buf); - - v4l_info(i2c_client_s,"Write 0 tp VPSTATUS\n"); - buf[0]=BT832_VP_STATUS; // Reg.52 - buf[1]= 0x00; - if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - v4l_err(i2c_client_s,"i2c i/o error VPS: rc == %d (should be 2)\n",rc); - - bt832_hexdump(i2c_client_s,buf); - - - // Enable Output - v4l_info(i2c_client_s,"Enable Output\n"); - buf[0]=BT832_VP_CONTROL1; // Reg.40 - buf[1]= 0x27 & (~0x01); // Default | !skip - if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - v4l_err(i2c_client_s,"i2c i/o error EO: rc == %d (should be 2)\n",rc); - - bt832_hexdump(i2c_client_s,buf); - - - // for testing (even works when no camera attached) - v4l_info(i2c_client_s,"*** Generate NTSC M Bars *****\n"); - buf[0]=BT832_VP_TESTCONTROL0; // Reg. 42 - buf[1]=3; // Generate NTSC System M bars, Generate Frame timing internally - if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - v4l_info(i2c_client_s,"i2c i/o error MBAR: rc == %d (should be 2)\n",rc); - - v4l_info(i2c_client_s,"Camera Present: %s\n", - (buf[1+BT832_CAM_STATUS] & BT832_56_CAMERA_PRESENT) ? "yes":"no"); - - bt832_hexdump(i2c_client_s,buf); - kfree(buf); - return 1; -} - - - -static int bt832_attach(struct i2c_adapter *adap, int addr, int kind) -{ - struct bt832 *t; - - client_template.adapter = adap; - client_template.addr = addr; - - if (NULL == (t = kzalloc(sizeof(*t), GFP_KERNEL))) - return -ENOMEM; - t->client = client_template; - i2c_set_clientdata(&t->client, t); - i2c_attach_client(&t->client); - - v4l_info(&t->client,"chip found @ 0x%x\n", addr<<1); - - - if(! bt832_init(&t->client)) { - bt832_detach(&t->client); - return -1; - } - - return 0; -} - -static int bt832_probe(struct i2c_adapter *adap) -{ - if (adap->class & I2C_CLASS_TV_ANALOG) - return i2c_probe(adap, &addr_data, bt832_attach); - return 0; -} - -static int bt832_detach(struct i2c_client *client) -{ - struct bt832 *t = i2c_get_clientdata(client); - - v4l_info(&t->client,"dettach\n"); - i2c_detach_client(client); - kfree(t); - return 0; -} - -static int -bt832_command(struct i2c_client *client, unsigned int cmd, void *arg) -{ - struct bt832 *t = i2c_get_clientdata(client); - - if (debug>1) - v4l_i2c_print_ioctl(&t->client,cmd); - - switch (cmd) { - case BT832_HEXDUMP: { - unsigned char *buf; - buf=kmalloc(65,GFP_KERNEL); - bt832_hexdump(&t->client,buf); - kfree(buf); - } - break; - case BT832_REATTACH: - v4l_info(&t->client,"re-attach\n"); - i2c_del_driver(&driver); - i2c_add_driver(&driver); - break; - } - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static struct i2c_driver driver = { - .driver = { - .name = "bt832", - }, - .id = 0, /* FIXME */ - .attach_adapter = bt832_probe, - .detach_client = bt832_detach, - .command = bt832_command, -}; -static struct i2c_client client_template = -{ - .name = "bt832", - .driver = &driver, -}; - - -static int __init bt832_init_module(void) -{ - return i2c_add_driver(&driver); -} - -static void __exit bt832_cleanup_module(void) -{ - i2c_del_driver(&driver); -} - -module_init(bt832_init_module); -module_exit(bt832_cleanup_module); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ -- cgit v1.1