patch-2.3.36 linux/drivers/char/bttv.c
Next file: linux/drivers/char/bttv.h
Previous file: linux/drivers/char/agp/agpgart_be.c
Back to the patch index
Back to the overall index
- Lines: 286
- Date:
Wed Dec 29 17:08:55 1999
- Orig file:
v2.3.35/linux/drivers/char/bttv.c
- Orig date:
Mon Dec 20 18:48:21 1999
diff -u --recursive --new-file v2.3.35/linux/drivers/char/bttv.c linux/drivers/char/bttv.c
@@ -74,6 +74,7 @@
MODULE_PARM(pll,"1-4i");
MODULE_PARM(bigendian,"i");
MODULE_PARM(fieldnr,"i");
+MODULE_PARM(autoload,"i");
#if defined(__sparc__) || defined(__powerpc__)
static unsigned int bigendian=1;
@@ -86,6 +87,7 @@
static unsigned int card[BTTV_MAX] = { 0, 0, 0, 0 };
static unsigned int pll[BTTV_MAX] = { 0, 0, 0, 0};
static unsigned int fieldnr = 0;
+static unsigned int autoload = 1;
#define I2C_TIMING (0x7<<4)
@@ -389,16 +391,24 @@
}
/* read I2C */
-static int I2CRead(struct bttv *btv, unsigned char addr)
+static int I2CRead(struct bttv *btv, unsigned char addr, char *probe_for)
{
unsigned char buffer = 0;
+ if (NULL != probe_for)
+ printk(KERN_INFO "bttv%d: i2c: checking for %s @ 0x%02x... ",
+ btv->nr,probe_for,addr);
btv->i2c_client.addr = addr >> 1;
if (1 != i2c_master_recv(&btv->i2c_client, &buffer, 1)) {
- printk("bttv%d: i2c read 0x%x: error\n",btv->nr,addr);
+ if (NULL != probe_for)
+ printk("not found\n");
+ else
+ printk(KERN_WARNING "bttv%d: i2c read 0x%x: error\n",
+ btv->nr,addr);
return -1;
}
- printk("bttv%d: i2c read 0x%x: %d\n",btv->nr,addr,buffer);
+ if (NULL != probe_for)
+ printk("found\n");
return buffer;
}
@@ -529,31 +539,31 @@
printk(KERN_INFO "Initialising 12C508 PIC chip ...\n");
tmp=I2CWrite(btv,0x1E,0x08,0,1);
- printk(KERN_INFO "I2C Write(0x08) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x08) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x09,0,1);
- printk(KERN_INFO "I2C Write(0x09) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x09) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x0a,0,1);
- printk(KERN_INFO "I2C Write(0x0a) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x0a) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x0b,0,1);
- printk(KERN_INFO "I2C Write(0x0b) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x0b) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x0c,0,1);
- printk(KERN_INFO "I2C Write(0x0c) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x0c) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x0d,0,1);
- printk(KERN_INFO "I2C Write(0x0d) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x0d) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x01,0,1);
- printk(KERN_INFO "I2C Write(0x01) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x01) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x02,0,1);
- printk(KERN_INFO "I2C Write(0x02) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x02) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x03,0,1);
- printk(KERN_INFO "I2C Write(0x03) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x03) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x04,0,1);
- printk(KERN_INFO "I2C Write(0x04) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x04) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x05,0,1);
- printk(KERN_INFO "I2C Write(0x05) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x05) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x06,0,1);
- printk(KERN_INFO "I2C Write(0x06) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x06) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
tmp=I2CWrite(btv,0x1E,0x00,0,1);
- printk(KERN_INFO "I2C Write(0x00) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F));
+ printk(KERN_INFO "I2C Write(0x00) = %i\nI2C Read () = %x\n\n",tmp,I2CRead(btv,0x1F,NULL));
printk(KERN_INFO "PXC200 Initialised.\n");
}
@@ -628,7 +638,7 @@
3, 1, 2, 2, 15, { 2, 3, 1, 1}, { 13, 14, 11, 7, 0, 0},0,
1,1,1,1,0 },
{ "AVerMedia TVCapture 98",
- 3, 1, 4, 0, 15, { 2, 3, 1, 0, 0}, { 13, 14, 11, 7, 0, 0},0,
+ 3, 4, 0, 2, 15, { 2, 3, 1, 1}, { 13, 14, 11, 7, 0, 0},0,
1,1,1,1,0 },
{ "Aimslab VHX",
3, 1, 0, 2, 7, { 2, 3, 1, 1}, { 0, 1, 2, 3, 4},0,
@@ -702,12 +712,15 @@
{ "Askey/Typhoon/Anubis Magic TView",
3, 1, 0, 2, 0xe00, { 2, 0, 1, 1}, {0x400, 0x400, 0x400, 0x400, 0},0,
1,1,1,1,0 },
+ { "Terratec TerraTValue",
+ 3, 1, 0, 2, 0x70000, { 2, 3, 1, 1}, { 0x500, 0, 0x300, 0x900, 0x900},0,
+ 1,1,1,1,0 },
};
#define TVCARDS (sizeof(tvcards)/sizeof(struct tvcard))
/* ----------------------------------------------------------------------- */
-static void audio(struct bttv *btv, int mode)
+static void audio(struct bttv *btv, int mode, int no_irq_context)
{
btaor(tvcards[btv->type].gpiomask, ~tvcards[btv->type].gpiomask,
BT848_GPIO_OUT_EN);
@@ -739,7 +752,8 @@
mode = AUDIO_RADIO;
btaor(tvcards[btv->type].audiomux[mode],
~tvcards[btv->type].gpiomask, BT848_GPIO_DATA);
- call_i2c_clients(btv,AUDC_SET_INPUT,&(mode));
+ if (no_irq_context)
+ call_i2c_clients(btv,AUDC_SET_INPUT,&(mode));
}
@@ -882,7 +896,7 @@
}
btaor((tvcards[btv->type].muxsel[input&7]&3)<<5, ~(3<<5), BT848_IFORM);
audio(btv, (input!=tvcards[btv->type].tuner) ?
- AUDIO_EXTERN : AUDIO_TUNER);
+ AUDIO_EXTERN : AUDIO_TUNER, 1);
btaor(tvcards[btv->type].muxsel[input]>>4,
~tvcards[btv->type].gpiomask2, BT848_GPIO_DATA);
}
@@ -1418,7 +1432,7 @@
static void bt848_set_geo(struct bttv *btv, u16 width, u16 height,
- u16 fmt, int pllset)
+ u16 fmt, int no_irq_context)
{
u16 vscale, hscale;
u32 xsf, sr;
@@ -1447,7 +1461,7 @@
btwrite(1, BT848_VBI_PACK_DEL);
btv->pll.pll_ofreq = tvn->Fsc;
- if (pllset)
+ if (no_irq_context)
set_pll(btv);
btwrite(fmt, BT848_COLOR_FMT);
@@ -1834,7 +1848,7 @@
{
struct bttv *btv=(struct bttv *)dev;
int i;
-
+
switch (cmd) {
case VIDIOCGCAP:
{
@@ -2230,7 +2244,7 @@
return -EFAULT;
down(&btv->lock);
if(v.flags&VIDEO_AUDIO_MUTE)
- audio(btv, AUDIO_MUTE);
+ audio(btv, AUDIO_MUTE, 1);
/* One audio source per tuner -- huh? <GA> */
if(v.audio<0 || v.audio >= tvcards[btv->type].audio_inputs) {
up(&btv->lock);
@@ -2238,9 +2252,11 @@
}
/* bt848_muxsel(btv,v.audio); */
if(!(v.flags&VIDEO_AUDIO_MUTE))
- audio(btv, AUDIO_UNMUTE);
+ audio(btv, AUDIO_UNMUTE, 1);
+ up(&btv->lock);
call_i2c_clients(btv,cmd,&v);
+ down(&btv->lock);
if (btv->type == BTTV_TERRATV) {
unsigned int con = 0;
@@ -2844,14 +2860,14 @@
*/
if (btv->type == BTTV_UNKNOWN)
{
- if (I2CRead(btv, I2C_HAUPEE)>=0)
+ if (I2CRead(btv, I2C_HAUPEE, "eeprom")>=0)
{
if(btv->id>849)
btv->type=BTTV_HAUPPAUGE878;
else
btv->type=BTTV_HAUPPAUGE;
- } else if (I2CRead(btv, I2C_STBEE)>=0) {
+ } else if (I2CRead(btv, I2C_STBEE, "eeprom")>=0) {
btv->type=BTTV_STB;
#if 0 /* bad idea: 0xc0 is used for the tuner on _many_ boards */
@@ -2860,7 +2876,7 @@
#endif
} else {
- if (I2CRead(btv, 0x80)>=0) /* check for msp34xx */
+ if (I2CRead(btv, 0x80, "msp3400")>=0) /* check for msp34xx */
btv->type = BTTV_MIROPRO;
else
btv->type = BTTV_MIRO;
@@ -2911,43 +2927,43 @@
/* try to detect audio/fader chips */
if (tvcards[btv->type].msp34xx &&
- I2CRead(btv, I2C_MSP3400) >=0) {
- printk(KERN_INFO "bttv%d: audio chip: MSP34xx\n",i);
- request_module("msp3400");
+ I2CRead(btv, I2C_MSP3400, "MSP34xx") >=0) {
+ if (autoload)
+ request_module("msp3400");
}
if (tvcards[btv->type].tda8425 &&
- I2CRead(btv, I2C_TDA8425) >=0) {
- printk(KERN_INFO "bttv%d: audio chip: TDA8425\n",i);
- request_module("tda8425");
+ I2CRead(btv, I2C_TDA8425, "TDA8425") >=0) {
+ if (autoload)
+ request_module("tda8425");
}
if (tvcards[btv->type].tda9840 &&
- I2CRead(btv, I2C_TDA9840) >=0) {
+ I2CRead(btv, I2C_TDA9840, "TDA9840") >=0) {
init_tda9840(btv);
- printk(KERN_INFO "bttv%d: audio chip: TDA9840\n", i);
btv->audio_chip = TDA9840;
/* move this to a module too? */
init_tda9840(btv);
}
if (tvcards[btv->type].tda985x &&
- I2CRead(btv, I2C_TDA9850) >=0) {
- printk(KERN_INFO "bttv%d: audio chip: TDA985x\n",i);
- request_module("tda9855");
+ I2CRead(btv, I2C_TDA9850, "TDA985x") >=0) {
+ if (autoload)
+ request_module("tda9855");
}
if (tvcards[btv->type].tea63xx &&
- I2CRead(btv, I2C_TEA6300)) {
- printk(KERN_INFO "bttv%d: fader chip: TEA63xx\n",i);
- request_module("tea6300");
+ I2CRead(btv, I2C_TEA6300, "TEA63xx") >= 0) {
+ if (autoload)
+ request_module("tea6300");
}
if (tvcards[btv->type].tuner != -1) {
- request_module("tuner");
+ if (autoload)
+ request_module("tuner");
}
- audio(btv, AUDIO_MUTE);
+ audio(btv, AUDIO_MUTE, 1);
}
@@ -3303,13 +3319,14 @@
if (astat&BT848_INT_HLOCK)
{
if ((dstat&BT848_DSTATUS_HLOC) || (btv->radio))
- audio(btv, AUDIO_ON);
+ audio(btv, AUDIO_ON,0);
else
- audio(btv, AUDIO_OFF);
+ audio(btv, AUDIO_OFF,0);
}
if (astat&BT848_INT_I2CDONE)
{
+ IDEBUG(printk ("bttv%d: IRQ_I2CDONE\n", btv->nr));
}
count++;
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)