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path: root/drivers/media/video/bt832.c
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Diffstat (limited to 'drivers/media/video/bt832.c')
-rw-r--r--drivers/media/video/bt832.c65
1 files changed, 35 insertions, 30 deletions
diff --git a/drivers/media/video/bt832.c b/drivers/media/video/bt832.c
index d2cb5ccff56b..dda4aa6bef27 100644
--- a/drivers/media/video/bt832.c
+++ b/drivers/media/video/bt832.c
@@ -30,8 +30,9 @@
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/slab.h>
-
#include <media/audiochip.h>
+#include <media/v4l2-common.h>
+
#include "bttv.h"
#include "bt832.h"
@@ -42,9 +43,10 @@ static unsigned short normal_i2c[] = { I2C_BT832_ALT1>>1, I2C_BT832_ALT2>>1,
I2C_CLIENT_END };
I2C_CLIENT_INSMOD;
-/* ---------------------------------------------------------------------- */
+int debug = 0; /* debug output */
+module_param(debug, int, 0644);
-#define dprintk if (debug) printk
+/* ---------------------------------------------------------------------- */
static int bt832_detach(struct i2c_client *client);
@@ -61,23 +63,26 @@ 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)))
- printk("bt832: i2c i/o error: rc == %d (should be 1)\n",rc);
+ 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)))
- printk("bt832: i2c i/o error: rc == %d (should be 65)\n",rc);
+ 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(1) {
+ if(debug>1) {
int i;
- printk("BT832 hexdump:\n");
+ v4l_dbg(2,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");
+ if(((i-1)%8)==0) printk(" ");
+ if(((i-1)%16)==0) {
+ printk("\n");
+ v4l_dbg(2,i2c_client_s,"hexdump:");
+ }
}
printk(" %02x",buf[i]);
}
@@ -96,56 +101,56 @@ int bt832_init(struct i2c_client *i2c_client_s)
bt832_hexdump(i2c_client_s,buf);
if(buf[0x40] != 0x31) {
- printk("bt832: this i2c chip is no bt832 (id=%02x). Detaching.\n",buf[0x40]);
+ v4l_err(i2c_client_s,"This i2c chip is no bt832 (id=%02x). Detaching.\n",buf[0x40]);
kfree(buf);
return 0;
}
- printk("Write 0 tp VPSTATUS\n");
+ 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)))
- printk("bt832: i2c i/o error VPS: rc == %d (should be 2)\n",rc);
+ 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:
- printk("Bt832: leave low power mode.\n");
+ 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)))
- printk("bt832: i2c i/o error LLPM: rc == %d (should be 2)\n",rc);
+ v4l_err(i2c_client_s,"i2c i/o error LLPM: rc == %d (should be 2)\n",rc);
bt832_hexdump(i2c_client_s,buf);
- printk("Write 0 tp VPSTATUS\n");
+ 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)))
- printk("bt832: i2c i/o error VPS: rc == %d (should be 2)\n",rc);
+ 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
- printk("Enable Output\n");
+ 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)))
- printk("bt832: i2c i/o error EO: rc == %d (should be 2)\n",rc);
+ 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)
- printk("bt832: *** Generate NTSC M Bars *****\n");
+ 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)))
- printk("bt832: i2c i/o error MBAR: rc == %d (should be 2)\n",rc);
+ v4l_info(i2c_client_s,"i2c i/o error MBAR: rc == %d (should be 2)\n",rc);
- printk("Bt832: Camera Present: %s\n",
+ 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);
@@ -159,13 +164,9 @@ static int bt832_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct bt832 *t;
- printk("bt832_attach\n");
-
client_template.adapter = adap;
client_template.addr = addr;
- printk("bt832: chip found @ 0x%x\n", addr<<1);
-
if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
return -ENOMEM;
memset(t,0,sizeof(*t));
@@ -173,6 +174,9 @@ static int bt832_attach(struct i2c_adapter *adap, int addr, int kind)
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;
@@ -192,7 +196,7 @@ static int bt832_detach(struct i2c_client *client)
{
struct bt832 *t = i2c_get_clientdata(client);
- printk("bt832: detach.\n");
+ v4l_info(&t->client,"dettach\n");
i2c_detach_client(client);
kfree(t);
return 0;
@@ -203,7 +207,8 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct bt832 *t = i2c_get_clientdata(client);
- printk("bt832: command %x\n",cmd);
+ if (debug>1)
+ v4l_i2c_print_ioctl(&t->client,cmd);
switch (cmd) {
case BT832_HEXDUMP: {
@@ -214,7 +219,7 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg)
}
break;
case BT832_REATTACH:
- printk("bt832: re-attach\n");
+ v4l_info(&t->client,"re-attach\n");
i2c_del_driver(&driver);
i2c_add_driver(&driver);
break;
@@ -226,9 +231,9 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg)
static struct i2c_driver driver = {
.driver = {
- .name = "i2c bt832 driver",
+ .name = "bt832",
},
- .id = -1, /* FIXME */
+ .id = 0, /* FIXME */
.attach_adapter = bt832_probe,
.detach_client = bt832_detach,
.command = bt832_command,
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-20 14:35:54 +0300