patch-2.2.10 linux/drivers/char/bttv.c

• Lines: 107
• Date: Mon Jun 7 16:18:17 1999
• Orig file: v2.2.9/linux/drivers/char/bttv.c
• Orig date: Wed Apr 28 11:37:30 1999

diff -u --recursive --new-file v2.2.9/linux/drivers/char/bttv.c linux/drivers/char/bttv.c
@@ -1,3 +1,4 @@
+
 /* 
     bttv - Bt848 frame grabber driver
 
@@ -543,6 +544,10 @@
         { 3, 1, 0, 2,15, { 2, 3, 1, 1}, { 0, 0, 0, 0, 0}},
         /* Pixelview PlayTV (bt878) */
         { 3, 4, 0, 2, 0x01e000, { 2, 0, 1, 1}, {0x01c000, 0, 0x018000, 0x014000, 0x002000, 0 }},
+        /* "Leadtek WinView 601", */
+        { 3, 1, 0, 2, 0x8300f8, { 2, 3, 1, 1,0}, {0x4fa007,0xcfa007,0xcfa007,0xcfa007,0xcfa007,0xcfa007}},
+        /* AVEC Intercapture */
+        { 3, 1, 9, 2, 0, { 2, 3, 1, 1}, { 0, 0, 0, 0, 0}},
 };
 #define TVCARDS (sizeof(tvcards)/sizeof(tvcard))
 
@@ -2036,6 +2041,41 @@
 				I2CWrite(&(btv->i2c), I2C_TDA9850,
 					TDA9850_CON3, con3, 1);
 			}
+		   
+		       /* PT2254A programming Jon Tombs, jon@gte.esi.us.es */
+		        if (btv->type == BTTV_WINVIEW_601) { 
+			   int bits_out, loops, vol, data;
+
+			   /* 32 levels logarithmic */
+			   vol = 32 - ((v.volume>>11));
+			   /* units */
+                           bits_out = (PT2254_DBS_IN_2>>(vol%5));
+			   /* tens */
+                           bits_out |= (PT2254_DBS_IN_10>>(vol/5));
+			   bits_out |= PT2254_L_CHANEL | PT2254_R_CHANEL;
+			   data = btread(BT848_GPIO_DATA);
+			   data &= ~(WINVIEW_PT2254_CLK| WINVIEW_PT2254_DATA|
+				      WINVIEW_PT2254_STROBE);
+			   for (loops = 17; loops >= 0 ; loops--) {
+				if (bits_out & (1<<loops))
+				   data |=  WINVIEW_PT2254_DATA;
+				else
+				   data &= ~WINVIEW_PT2254_DATA;
+			       btwrite(data, BT848_GPIO_DATA);
+			       udelay(5);
+			       data |= WINVIEW_PT2254_CLK;
+			       btwrite(data, BT848_GPIO_DATA);
+			       udelay(5);
+			       data &= ~WINVIEW_PT2254_CLK;
+			       btwrite(data, BT848_GPIO_DATA);
+			   }
+			   data |=  WINVIEW_PT2254_STROBE;
+			   data &= ~WINVIEW_PT2254_DATA;
+			   btwrite(data, BT848_GPIO_DATA);
+			   udelay(10);			   
+			   data &= ~WINVIEW_PT2254_STROBE;
+			   btwrite(data, BT848_GPIO_DATA);
+			}
 			if (btv->have_msp3400) 
 			{
                                 i2c_control_device(&(btv->i2c),
@@ -2863,6 +2903,18 @@
         I2CWrite(bus, I2C_TEA6300, TEA6300_SW, 0x01, 1); /* mute off input A */
 }
 
+static void init_tea6320(struct i2c_bus *bus)
+{
+  I2CWrite(bus, I2C_TEA6300, TEA6320_V, 0x28, 1); /* master volume */
+  I2CWrite(bus, I2C_TEA6300, TEA6320_FFL, 0x28, 1); /* volume left 0dB  */
+  I2CWrite(bus, I2C_TEA6300, TEA6320_FFR, 0x28, 1); /* volume right 0dB */
+  I2CWrite(bus, I2C_TEA6300, TEA6320_FRL, 0x28, 1); /* volume rear left 0dB  */
+  I2CWrite(bus, I2C_TEA6300, TEA6320_FRR, 0x28, 1); /* volume rear right 0dB */
+  I2CWrite(bus, I2C_TEA6300, TEA6320_BA, 0x11, 1); /* bass 0dB         */
+  I2CWrite(bus, I2C_TEA6300, TEA6320_TR, 0x11, 1); /* treble 0dB       */
+  I2CWrite(bus, I2C_TEA6300, TEA6320_S, TEA6320_S_GMU, 1); /* mute off input A */
+}
+
 static void init_tda8425(struct i2c_bus *bus) 
 {
         I2CWrite(bus, I2C_TDA8425, TDA8425_VL, 0xFC, 1); /* volume left 0dB  */
@@ -2990,9 +3042,16 @@
         
         if (I2CRead(&(btv->i2c), I2C_TEA6300) >=0)
         {
+          if(btv->type==BTTV_AVEC_INTERCAP)
+            {
+                printk(KERN_INFO "bttv%d: fader chip: TEA6320\n",btv->nr);
+                btv->audio_chip = TEA6320;
+                init_tea6320(&(btv->i2c));
+            } else {
 		printk(KERN_INFO "bttv%d: fader chip: TEA6300\n",btv->nr);
 		btv->audio_chip = TEA6300;
 		init_tea6300(&(btv->i2c));
+            }
         } else
 		printk(KERN_INFO "bttv%d: NO fader chip: TEA6300\n",btv->nr);
 
@@ -3033,6 +3092,12 @@
 		case BTTV_VHX:
 			strcpy(btv->video_dev.name,"BT848(Aimslab-VHX)");
  			break;
+	        case BTTV_WINVIEW_601:
+			strcpy(btv->video_dev.name,"BT848(Leadtek WinView 601)");
+ 			break;	   
+                case BTTV_AVEC_INTERCAP:
+                        strcpy(btv->video_dev.name,"(AVEC Intercapture)");
+                        break;
 	}
 	printk("%s\n",btv->video_dev.name);
 	audio(btv, AUDIO_MUTE);