[media] ttusb2: add support for the dvb-t part of CT-3650 v3
Signed-off-by: Jose Alberto Reguero <jareguero@telefonica.net>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c
index c0f5ef5..bda37ce 100644
--- a/drivers/media/dvb/dvb-usb/ttusb2.c
+++ b/drivers/media/dvb/dvb-usb/ttusb2.c
@@ -30,6 +30,7 @@
#include "tda826x.h"
#include "tda10086.h"
#include "tda1002x.h"
+#include "tda10048.h"
#include "tda827x.h"
#include "lnbp21.h"
@@ -82,7 +83,7 @@
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
static u8 obuf[60], ibuf[60];
- int i,read;
+ int i, write_read, read;
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
@@ -91,28 +92,35 @@
warn("more than 2 i2c messages at a time is not handled yet. TODO.");
for (i = 0; i < num; i++) {
- read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
+ write_read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
+ read = msg[i].flags & I2C_M_RD;
- obuf[0] = (msg[i].addr << 1) | read;
- obuf[1] = msg[i].len;
+ obuf[0] = (msg[i].addr << 1) | (write_read | read);
+ if (read)
+ obuf[1] = 0;
+ else
+ obuf[1] = msg[i].len;
/* read request */
- if (read)
+ if (write_read)
obuf[2] = msg[i+1].len;
+ else if (read)
+ obuf[2] = msg[i].len;
else
obuf[2] = 0;
- memcpy(&obuf[3],msg[i].buf,msg[i].len);
+ memcpy(&obuf[3], msg[i].buf, msg[i].len);
if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
err("i2c transfer failed.");
break;
}
- if (read) {
- memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
+ if (write_read) {
+ memcpy(msg[i+1].buf, &ibuf[3], msg[i+1].len);
i++;
- }
+ } else if (read)
+ memcpy(msg[i].buf, &ibuf[3], msg[i].len);
}
mutex_unlock(&d->i2c_mutex);
@@ -190,6 +198,25 @@
.deltaf = 0xa511,
};
+static struct tda10048_config tda10048_config = {
+ .demod_address = 0x10 >> 1,
+ .output_mode = TDA10048_PARALLEL_OUTPUT,
+ .inversion = TDA10048_INVERSION_ON,
+ .dtv6_if_freq_khz = TDA10048_IF_4000,
+ .dtv7_if_freq_khz = TDA10048_IF_4500,
+ .dtv8_if_freq_khz = TDA10048_IF_5000,
+ .clk_freq_khz = TDA10048_CLK_16000,
+ .no_firmware = 1,
+ .set_pll = true ,
+ .pll_m = 5,
+ .pll_n = 3,
+ .pll_p = 0,
+};
+
+static struct tda827x_config tda827x_config = {
+ .config = 0,
+};
+
static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap)
{
if (usb_set_interface(adap->dev->udev,0,3) < 0)
@@ -203,20 +230,56 @@
return 0;
}
+static int ttusb2_ct3650_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct dvb_usb_adapter *adap = fe->dvb->priv;
+
+ return adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], enable);
+}
+
static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap)
{
if (usb_set_interface(adap->dev->udev, 0, 3) < 0)
err("set interface to alts=3 failed");
- if ((adap->fe[0] = dvb_attach(tda10023_attach, &tda10023_config, &adap->dev->i2c_adap, 0x48)) == NULL) {
- deb_info("TDA10023 attach failed\n");
- return -ENODEV;
+
+ if (adap->fe[0] == NULL) {
+ /* FE 0 DVB-C */
+ adap->fe[0] = dvb_attach(tda10023_attach,
+ &tda10023_config, &adap->dev->i2c_adap, 0x48);
+
+ if (adap->fe[0] == NULL) {
+ deb_info("TDA10023 attach failed\n");
+ return -ENODEV;
+ }
+ } else {
+ adap->fe[1] = dvb_attach(tda10048_attach,
+ &tda10048_config, &adap->dev->i2c_adap);
+
+ if (adap->fe[1] == NULL) {
+ deb_info("TDA10048 attach failed\n");
+ return -ENODEV;
+ }
+
+ /* tuner is behind TDA10023 I2C-gate */
+ adap->fe[1]->ops.i2c_gate_ctrl = ttusb2_ct3650_i2c_gate_ctrl;
+
}
+
return 0;
}
static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap)
{
- if (dvb_attach(tda827x_attach, adap->fe[0], 0x61, &adap->dev->i2c_adap, NULL) == NULL) {
+ struct dvb_frontend *fe;
+
+ /* MFE: select correct FE to attach tuner since that's called twice */
+ if (adap->fe[1] == NULL)
+ fe = adap->fe[0];
+ else
+ fe = adap->fe[1];
+
+ /* attach tuner */
+ if (dvb_attach(tda827x_attach, fe, 0x61, &adap->dev->i2c_adap, &tda827x_config) == NULL) {
printk(KERN_ERR "%s: No tda827x found!\n", __func__);
return -ENODEV;
}
@@ -385,6 +448,7 @@
{
.streaming_ctrl = NULL,
+ .num_frontends = 2,
.frontend_attach = ttusb2_frontend_tda10023_attach,
.tuner_attach = ttusb2_tuner_tda827x_attach,