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Subject: media: ngene: add support for Sony CXD28xx-based DuoFlex modules
Author: Daniel Scheller <d.schel...@gmx.net>
Date: Sun Feb 25 07:31:34 2018 -0500
Recognize (probe) and support (attach) all Sony CXD28xx based DuoFlex
addon modules/cards, namely the DuoFlex CT2 (CXD2837), ISDB-T (CXD2838),
C2T2 (CXD2843) and C2T2I (CXD2854). Since all these modules are equipped
with a MachXO2 interface, that support is required for the hardware to
work. This functionality utilises the auxiliary cxd2841er and tda18212
drivers.
This also adds autoselection (if MEDIA_SUBDRV_AUTOSELECT) of the CXD2841ER
demod driver to Kconfig. The __maybe_unused annotation can now be removed
from the xo2names array.
Signed-off-by: Daniel Scheller <d.schel...@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
drivers/media/pci/ngene/Kconfig | 1 +
drivers/media/pci/ngene/ngene-cards.c | 63 ++++++++++++++++++++++++++++++++---
2 files changed, 59 insertions(+), 5 deletions(-)
---
diff --git a/drivers/media/pci/ngene/Kconfig b/drivers/media/pci/ngene/Kconfig
index c3254f9dc8ad..f717567f54a5 100644
--- a/drivers/media/pci/ngene/Kconfig
+++ b/drivers/media/pci/ngene/Kconfig
@@ -9,6 +9,7 @@ config DVB_NGENE
select DVB_TDA18271C2DD if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_MT2131 if MEDIA_SUBDRV_AUTOSELECT
select DVB_STV0367 if MEDIA_SUBDRV_AUTOSELECT
+ select DVB_CXD2841ER if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_TDA18212 if MEDIA_SUBDRV_AUTOSELECT
select DVB_CXD2099 if MEDIA_SUBDRV_AUTOSELECT
---help---
diff --git a/drivers/media/pci/ngene/ngene-cards.c
b/drivers/media/pci/ngene/ngene-cards.c
index 05b8e56999ec..cdc8db14c606 100644
--- a/drivers/media/pci/ngene/ngene-cards.c
+++ b/drivers/media/pci/ngene/ngene-cards.c
@@ -45,6 +45,7 @@
#include "stv0367.h"
#include "stv0367_priv.h"
#include "tda18212.h"
+#include "cxd2841er.h"
/****************************************************************************/
/* I2C transfer functions used for demod/tuner probing***********************/
@@ -277,6 +278,10 @@ static int tuner_attach_probe(struct ngene_channel *chan)
case DEMOD_TYPE_DRXK:
return tuner_attach_tda18271(chan);
case DEMOD_TYPE_STV0367:
+ case DEMOD_TYPE_SONY_CT2:
+ case DEMOD_TYPE_SONY_ISDBT:
+ case DEMOD_TYPE_SONY_C2T2:
+ case DEMOD_TYPE_SONY_C2T2I:
return tuner_attach_tda18212(chan, chan->demod_type);
}
@@ -358,6 +363,34 @@ static int demod_attach_stv0367(struct ngene_channel *chan,
return 0;
}
+static int demod_attach_cxd28xx(struct ngene_channel *chan,
+ struct i2c_adapter *i2c, int osc24)
+{
+ struct device *pdev = &chan->dev->pci_dev->dev;
+ struct cxd2841er_config cfg;
+
+ /* the cxd2841er driver expects 8bit/shifted I2C addresses */
+ cfg.i2c_addr = ((chan->number & 1) ? 0x6d : 0x6c) << 1;
+
+ cfg.xtal = osc24 ? SONY_XTAL_24000 : SONY_XTAL_20500;
+ cfg.flags = CXD2841ER_AUTO_IFHZ | CXD2841ER_EARLY_TUNE |
+ CXD2841ER_NO_WAIT_LOCK | CXD2841ER_NO_AGCNEG |
+ CXD2841ER_TSBITS | CXD2841ER_TS_SERIAL;
+
+ /* attach frontend */
+ chan->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c);
+
+ if (!chan->fe) {
+ dev_err(pdev, "CXD28XX attach failed!\n");
+ return -ENODEV;
+ }
+
+ chan->fe->sec_priv = chan;
+ chan->gate_ctrl = chan->fe->ops.i2c_gate_ctrl;
+ chan->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
+ return 0;
+}
+
static void cineS2_tuner_i2c_lock(struct dvb_frontend *fe, int lock)
{
struct ngene_channel *chan = fe->analog_demod_priv;
@@ -426,7 +459,7 @@ static int demod_attach_drxk(struct ngene_channel *chan,
/* XO2 related lists and functions ******************************************/
/****************************************************************************/
-static char __maybe_unused *xo2names[] = {
+static char *xo2names[] = {
"DUAL DVB-S2",
"DUAL DVB-C/T/T2",
"DUAL DVB-ISDBT",
@@ -513,7 +546,8 @@ static int cineS2_probe(struct ngene_channel *chan)
struct i2c_adapter *i2c;
struct stv090x_config *fe_conf;
u8 buf[3];
- u8 xo2_type, xo2_id;
+ u8 xo2_type, xo2_id, xo2_demodtype;
+ u8 sony_osc24 = 0;
struct i2c_msg i2c_msg = { .flags = 0, .buf = buf };
int rc;
@@ -537,9 +571,28 @@ static int cineS2_probe(struct ngene_channel *chan)
else
init_xo2(chan, i2c);
- /* TODO: implement support for XO2 module types */
- dev_warn(pdev, "XO2 not supported\n");
- return -ENODEV;
+ xo2_demodtype = DEMOD_TYPE_XO2 + xo2_id;
+
+ switch (xo2_demodtype) {
+ case DEMOD_TYPE_SONY_CT2:
+ case DEMOD_TYPE_SONY_ISDBT:
+ case DEMOD_TYPE_SONY_C2T2:
+ case DEMOD_TYPE_SONY_C2T2I:
+ dev_info(pdev, "%s (XO2) on channel %d\n",
+ xo2names[xo2_id], chan->number);
+ chan->demod_type = xo2_demodtype;
+ if (xo2_demodtype == DEMOD_TYPE_SONY_C2T2I)
+ sony_osc24 = 1;
+
+ demod_attach_cxd28xx(chan, i2c, sony_osc24);
+ break;
+ default:
+ dev_warn(pdev,
+ "Unsupported XO2 module on channel
%d\n",
+ chan->number);
+ return -ENODEV;
+ }
+ break;
case NGENE_XO2_TYPE_CI:
dev_info(pdev, "DuoFlex CI modules not supported\n");
return -ENODEV;
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