[linux-dvb] Nebula usb frontend problem...

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Hi Svante,


On Sun, 31 Jul 2005, Svante Olofsson wrote:
> Unfortunately, I am having problems with getting it working. I have downloaded
> the cvs driver and compiled it into both the kernel tree and the build-2.6
> directory. The problem is that I don't get a fronend when I load the kernel
> version of the driver ("modprobe dvb-usb-digitv"), and when I try the
> build-2.6 version it tries to load the nxt6000 frontend, and that is not
> supported. I have added the syslog info for both cases:

Attached is a patch for the nxt6000-based box. Can you please apply it to 
dvb-kernel CVS and report whether it is working or not?

> Jul 31 14:57:44 gamer kernel: digitv: nxt6000 support is not done yet, in fact
> you are one of the first person who wants to use this device in Linux. Please
> report to linux-dvb@xxxxxxxxxxx

Yeah! I waited for someone sending message, before creating the patch. 
Sorry for the delay.

Good luck,
Patrick.

--
   Mail: patrick.boettcher@xxxxxxx
   WWW:  http://www.wi-bw.tfh-wildau.de/~pboettch/
-------------- next part --------------
Index: linux/drivers/media/dvb/dvb-usb/digitv.c
===================================================================
RCS file: /cvs/linuxtv/dvb-kernel/linux/drivers/media/dvb/dvb-usb/digitv.c,v
retrieving revision 1.10
diff -u -3 -p -r1.10 digitv.c
--- linux/drivers/media/dvb/dvb-usb/digitv.c	28 Jun 2005 21:48:07 -0000	1.10
+++ linux/drivers/media/dvb/dvb-usb/digitv.c	31 Jul 2005 20:37:58 -0000
@@ -92,6 +92,21 @@ static int digitv_identify_state (struct
 	return 0;
 }
 
+/* TODO put this into a general init-callback */
+static int digitv_rc_init(struct dvb_usb_device *d)
+{
+	u8 b[4] = { 0 };
+
+	b[0] = 1;
+	digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
+
+	b[0] = 0;
+	digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
+
+	return 0;
+}
+
+
 static int digitv_mt352_demod_init(struct dvb_frontend *fe)
 {
 	static u8 reset_buf[] = { 0x89, 0x38,  0x8a, 0x2d, 0x50, 0x80 };
@@ -113,31 +128,29 @@ static int digitv_mt352_demod_init(struc
 }
 
 static struct mt352_config digitv_mt352_config = {
-	.demod_address = 0x0, /* ignored by the digitv anyway */
 	.demod_init = digitv_mt352_demod_init,
 	.pll_set = dvb_usb_pll_set,
 };
 
-static struct nxt6000_config digitv_nxt6000_config = {
-	.demod_address = 0x0, /* ignored by the digitv anyway */
-	.clock_inversion = 0x0,
+static int digitv_nxt6000_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
+{
+	struct dvb_usb_device *d = fe->dvb->priv;
+	u8 b[5];
+	dvb_usb_pll_set(fe,fep,b);
+	return digitv_ctrl_msg(d,USB_WRITE_TUNER,0,&b[1],4,NULL,0);
+}
 
-	.pll_init = NULL,
-	.pll_set = NULL,
+static struct nxt6000_config digitv_nxt6000_config = {
+	.clock_inversion = 1,
+	.pll_set = digitv_nxt6000_pll_set,
 };
 
 static int digitv_frontend_attach(struct dvb_usb_device *d)
 {
-	if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) != NULL)
+	digitv_rc_init(d);
+	if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) != NULL ||
+		(d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) != NULL)
 		return 0;
-	if ((d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) != NULL) {
-
-		warn("nxt6000 support is not done yet, in fact you are one of the first "
-				"person who wants to use this device in Linux. Please report to "
-				"linux-dvb@xxxxxxxxxxx");
-
-		return 0;
-	}
 	return -EIO;
 }
 
@@ -152,19 +165,6 @@ static struct dvb_usb_rc_key digitv_rc_k
 	{ 0x00, 0x16, KEY_POWER }, /* dummy key */
 };
 
-static int digitv_rc_init(struct dvb_usb_device *d)
-{
-	u8 b[4] = { 0 };
-
-	b[0] = 1;
-	digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
-
-	b[0] = 0;
-	digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
-
-	return 0;
-}
-
 /* TODO is it really the NEC protocol ? */
 int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 {

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