Hi all, here is patch for driver saa7134, that add support for IR reciever
on card LifeView FlyDVB Trio.
I tested it on kernel 2.6.30
Signed-off-by: Lukas Karas <lukas.karas@xxxxxxxxxx>
diff -uprN video.13c47deee3b1/ir-kbd-i2c.c video/ir-kbd-i2c.c
--- video.13c47deee3b1/ir-kbd-i2c.c 2009-09-07 15:38:46.000000000 +0200
+++ video/ir-kbd-i2c.c 2009-09-08 22:23:34.000000000 +0200
@@ -438,6 +438,7 @@ static int ir_probe(struct i2c_client *c
ir_type = IR_TYPE_RC5;
ir_codes = &ir_codes_fusionhdtv_mce_table;
break;
+ case 0x0b:
case 0x7a:
case 0x47:
case 0x71:
@@ -467,7 +468,7 @@ static int ir_probe(struct i2c_client *c
ir_codes = &ir_codes_avermedia_cardbus_table;
break;
default:
- dprintk(1, DEVNAME ": Unsupported i2c address 0x%02x\n", addr);
+ dprintk(1, "Unsupported i2c address 0x%02x\n", addr);
err = -ENODEV;
goto err_out_free;
}
@@ -514,7 +515,7 @@ static int ir_probe(struct i2c_client *c
/* Make sure we are all setup before going on */
if (!name || !ir->get_key || !ir_codes) {
- dprintk(1, DEVNAME ": Unsupported device at address 0x%02x\n",
+ dprintk(1, "Unsupported device at address 0x%02x\n",
addr);
err = -ENODEV;
goto err_out_free;
@@ -722,6 +723,30 @@ static int ir_probe(struct i2c_adapter *
ir_attach(adap, msg[0].addr, 0, 0);
}
+ /* special case for LifeView FlyDVB Trio */
+ if (adap->id == I2C_HW_SAA7134) {
+ u8 temp = 0;
+ msg.buf = &temp;
+ msg.addr = 0x0b;
+ msg.len = 1;
+ msg.flags = 0;
+
+ /* send weak up message to pic16C505 chip @ LifeView FlyDVB Trio */
+ if (1 != i2c_transfer(adap,&msg,1)) {
+ dprintk(1,"send wake up byte to pic16C505 failed\n");
+ }else{
+ msg.flags = I2C_M_RD;
+ rc = i2c_transfer(adap, &msg, 1);
+ dprintk(1, "probe 0x%02x @ %s: %s\n",
+ msg.addr, adap->name,
+ (1 == rc) ? "yes" : "no");
+ if (1 == rc)
+ ir_attach(adap, msg.addr, 0, 0);
+ }
+ msg.len = 0;
+ msg.flags = I2C_M_RD;
+ }
+
return 0;
}
#else
diff -uprN video.13c47deee3b1/saa7134/saa7134-cards.c video/saa7134/saa7134-
cards.c
--- video.13c47deee3b1/saa7134/saa7134-cards.c 2009-09-07 15:38:46.000000000
+0200
+++ video/saa7134/saa7134-cards.c 2009-09-09 00:45:09.000000000 +0200
@@ -7212,9 +7212,27 @@ int saa7134_board_init2(struct saa7134_d
}
case SAA7134_BOARD_FLYDVB_TRIO:
{
+ u8 temp = 0;
+ int rc;
u8 data[] = { 0x3c, 0x33, 0x62};
struct i2c_msg msg = {.addr=0x09, .flags=0, .buf=data, .len = sizeof(data)};
i2c_transfer(&dev->i2c_adap, &msg, 1);
+
+ /* send weak up message to pic16C505 chip @ LifeView FlyDVB Trio */
+ msg.buf = &temp;
+ msg.addr = 0x0b;
+ msg.len = 1;
+ if (1 != i2c_transfer(&dev->i2c_adap,&msg,1)) {
+ printk(KERN_WARNING "%s: send wake up byte to pic16C505
+ (IR chip) failed\n", dev->name);
+ }else{
+ msg.flags = I2C_M_RD;
+ rc = i2c_transfer(&dev->i2c_adap, &msg, 1);
+ printk(KERN_INFO "%s: probe IR chip @ i2c 0x%02x: %s\n",
+ dev->name, msg.addr,(1 == rc) ? "yes" : "no");
+ if (rc == 1)
+ dev->has_remote = SAA7134_REMOTE_I2C;
+ }
break;
}
case SAA7134_BOARD_ADS_DUO_CARDBUS_PTV331:
diff -uprN video.13c47deee3b1/saa7134/saa7134-input.c video/saa7134/saa7134-
input.c
--- video.13c47deee3b1/saa7134/saa7134-input.c 2009-09-07 15:38:46.000000000
+0200
+++ video/saa7134/saa7134-input.c 2009-09-08 22:56:02.000000000 +0200
@@ -132,6 +132,72 @@ static int build_key(struct saa7134_dev
/* --------------------- Chip specific I2C key builders ----------------- */
+static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ int gpio;
+ int attempt = 0;
+ unsigned char b;
+
+ /* We need this to access GPI Used by the saa_readl macro. */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
+ struct saa7134_dev *dev = ir->c.adapter->algo_data;
+#else
+ struct saa7134_dev *dev = ir->c->adapter->algo_data;
+#endif
+
+ if (dev == NULL) {
+ dprintk ("get_key_flydvb_trio: "
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
+ "gir->c.adapter->algo_data is NULL!\n");
+#else
+ "gir->c->adapter->algo_data is NULL!\n");
+#endif
+ return -EIO;
+ }
+
+ /* rising SAA7134_GPIGPRESCAN reads the status */
+ saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+ saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+
+ gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
+
+ if (0x40000 &~ gpio)
+ return 0; /* No button press */
+
+ /* No button press - only before first key pressed */
+ if (b == 0xFF)
+ return 0;
+
+ /* poll IR chip */
+ /* weak up the IR chip */
+ b = 0;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
+ while(1 != i2c_master_send(&ir->c, &b,1)) {
+#else
+ while(1 != i2c_master_send(ir->c, &b,1)) {
+#endif
+ if ((attempt++) < 10){
+ msleep(10); /* wait a bit for next attempt - I don't know how make it
better */
+ continue;
+ }
+ i2cdprintk("send wake up byte to pic16C505 (IR chip)
+ failed %dx\n", attempt);
+ return -EIO;
+ }
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
+ if (1 != i2c_master_recv(&ir->c, &b, 1)) {
+#else
+ if (1 != i2c_master_recv(ir->c, &b, 1)) {
+#endif
+ i2cdprintk("read error\n");
+ return -EIO;
+ }
+
+ *ir_key = b;
+ *ir_raw = b;
+ return 1;
+}
+
static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
u32 *ir_raw)
{
@@ -874,6 +940,18 @@ void saa7134_probe_i2c_ir(struct saa7134
dev->info.addr = 0x40;
#endif
break;
+ case SAA7134_BOARD_FLYDVB_TRIO:
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
+ snprintf(ir->c.name, sizeof(ir->c.name), "FlyDVB Trio");
+ ir->get_key = get_key_flydvb_trio;
+ ir->ir_codes = ir_codes_flydvb_table;
+#else
+ dev->init_data.name = "FlyDVB Trio";
+ dev->init_data.get_key = get_key_flydvb_trio;
+ dev->init_data.ir_codes = &ir_codes_flydvb_table;
+ dev->info.addr = 0x0b;
+#endif
+ break;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 30)
--
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