[DVB patch 29/54] usb: digitv: support for nxt6000 demod

Johannes Stezenbach
2005-09-04T23:37:12Z

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From: Svante Olofsson <svante@agentum.com>

Add support for the NXT6000-based digitv-box.
Add .get_tune_settings callback for the NXT6000 to have a min_tune_delay of 500ms.

Signed-off-by: Svante Olofsson <svante@agentum.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>

drivers/media/dvb/dvb-usb/digitv.c | 40 ++++++++++++++++++++--------------
drivers/media/dvb/frontends/nxt6000.c | 9 +++++++
2 files changed, 33 insertions(+), 16 deletions(-)

--- linux-2.6.13-git4.orig/drivers/media/dvb/dvb-usb/digitv.c 2005-09-04 21:56:59.000000000 +0200
+++ linux-2.6.13-git4/drivers/media/dvb/dvb-usb/digitv.c 2005-09-04 22:28:22.000000000 +0200
@@ -113,31 +113,28 @@ 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)
+ 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@linuxtv.org");
-
- return 0;
- }
return -EIO;
}

@@ -175,7 +172,18 @@ static struct dvb_usb_properties digitv_
static int digitv_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
- return dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,NULL);
+ struct dvb_usb_device *d;
+ int ret;
+ if ((ret = dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,&d)) == 0) {
+ 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 ret;
}

static struct usb_device_id digitv_table [] = {
--- linux-2.6.13-git4.orig/drivers/media/dvb/frontends/nxt6000.c 2005-09-04 22:24:23.000000000 +0200
+++ linux-2.6.13-git4/drivers/media/dvb/frontends/nxt6000.c 2005-09-04 22:28:22.000000000 +0200
@@ -482,6 +482,7 @@ static int nxt6000_set_frontend(struct d
if ((result = nxt6000_set_inversion(state, param->inversion)) < 0)
return result;

+ msleep(500);
return 0;
}

@@ -525,6 +526,12 @@ static int nxt6000_read_signal_strength(
return 0;
}

+static int nxt6000_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
+{
+ tune->min_delay_ms = 500;
+ return 0;
+}
+
static struct dvb_frontend_ops nxt6000_ops;

struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
@@ -577,6 +584,8 @@ static struct dvb_frontend_ops nxt6000_o
.release = nxt6000_release,

.init = nxt6000_init,
+
+ .get_tune_settings = nxt6000_fe_get_tune_settings,

.set_frontend = nxt6000_set_frontend,

--