diff options
Diffstat (limited to 'drivers/media/video/bt832.c')
| -rw-r--r-- | drivers/media/video/bt832.c | 62 |
1 files changed, 30 insertions, 32 deletions
diff --git a/drivers/media/video/bt832.c b/drivers/media/video/bt832.c index efe605a113a..a070417e65e 100644 --- a/drivers/media/video/bt832.c +++ b/drivers/media/video/bt832.c @@ -6,7 +6,7 @@ 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 ! @@ -31,16 +31,16 @@ #include <linux/errno.h> #include <linux/slab.h> -#include "id.h" -#include "audiochip.h" +#include <media/audiochip.h> +#include <media/id.h> #include "bttv.h" #include "bt832.h" MODULE_LICENSE("GPL"); /* Addresses to scan */ -static unsigned short normal_i2c[] = {I2C_CLIENT_END}; -static unsigned short normal_i2c_range[] = {I2C_BT832_ALT1>>1,I2C_BT832_ALT2>>1,I2C_CLIENT_END}; +static unsigned short normal_i2c[] = { I2C_BT832_ALT1>>1, I2C_BT832_ALT2>>1, + I2C_CLIENT_END }; I2C_CLIENT_INSMOD; /* ---------------------------------------------------------------------- */ @@ -95,7 +95,7 @@ int bt832_init(struct i2c_client *i2c_client_s) buf=kmalloc(65,GFP_KERNEL); bt832_hexdump(i2c_client_s,buf); - + if(buf[0x40] != 0x31) { printk("bt832: this i2c chip is no bt832 (id=%02x). Detaching.\n",buf[0x40]); kfree(buf); @@ -135,28 +135,16 @@ int bt832_init(struct i2c_client *i2c_client_s) buf[1]= 0x27 & (~0x01); // Default | !skip if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) printk("bt832: i2c i/o error EO: rc == %d (should be 2)\n",rc); - - bt832_hexdump(i2c_client_s,buf); - -#if 0 - // Full 30/25 Frame rate - printk("Full 30/25 Frame rate\n"); - buf[0]=BT832_VP_CONTROL0; // Reg.39 - buf[1]= 0x00; - if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - printk("bt832: i2c i/o error FFR: rc == %d (should be 2)\n",rc); bt832_hexdump(i2c_client_s,buf); -#endif -#if 1 + // for testing (even works when no camera attached) printk("bt832: *** 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))) printk("bt832: i2c i/o error MBAR: rc == %d (should be 2)\n",rc); -#endif printk("Bt832: Camera Present: %s\n", (buf[1+BT832_CAM_STATUS] & BT832_56_CAMERA_PRESENT) ? "yes":"no"); @@ -168,8 +156,7 @@ int bt832_init(struct i2c_client *i2c_client_s) -static int bt832_attach(struct i2c_adapter *adap, int addr, - unsigned short flags, int kind) +static int bt832_attach(struct i2c_adapter *adap, int addr, int kind) { struct bt832 *t; @@ -184,27 +171,32 @@ static int bt832_attach(struct i2c_adapter *adap, int addr, return -ENOMEM; memset(t,0,sizeof(*t)); t->client = client_template; - t->client.data = t; + i2c_set_clientdata(&t->client, t); i2c_attach_client(&t->client); if(! bt832_init(&t->client)) { bt832_detach(&t->client); return -1; } - + return 0; } static int bt832_probe(struct i2c_adapter *adap) { +#ifdef I2C_CLASS_TV_ANALOG if (adap->class & I2C_CLASS_TV_ANALOG) return i2c_probe(adap, &addr_data, bt832_attach); +#else + if (adap->id == (I2C_ALGO_BIT | I2C_HW_B_BT848)) + return i2c_probe(adap, &addr_data, bt832_attach); +#endif return 0; } static int bt832_detach(struct i2c_client *client) { - struct bt832 *t = (struct bt832*)client->data; + struct bt832 *t = i2c_get_clientdata(client); printk("bt832: detach.\n"); i2c_detach_client(client); @@ -215,7 +207,7 @@ static int bt832_detach(struct i2c_client *client) static int bt832_command(struct i2c_client *client, unsigned int cmd, void *arg) { - struct bt832 *t = (struct bt832*)client->data; + struct bt832 *t = i2c_get_clientdata(client); printk("bt832: command %x\n",cmd); @@ -249,19 +241,18 @@ static struct i2c_driver driver = { }; static struct i2c_client client_template = { - .name = "bt832", - .flags = I2C_CLIENT_ALLOW_USE, - .driver = &driver, + I2C_DEVNAME("bt832"), + .flags = I2C_CLIENT_ALLOW_USE, + .driver = &driver, }; -int bt832_init_module(void) +static int __init bt832_init_module(void) { - i2c_add_driver(&driver); - return 0; + return i2c_add_driver(&driver); } -static void bt832_cleanup_module(void) +static void __exit bt832_cleanup_module(void) { i2c_del_driver(&driver); } @@ -269,3 +260,10 @@ static void bt832_cleanup_module(void) 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: + */ |