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path: root/drivers/media/video/saa7134/saa7134-dvb.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-dvb.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-dvb.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index beb95e2..3315a48 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -52,6 +52,7 @@
#include "tda18271.h"
#include "lgdt3305.h"
#include "tda8290.h"
+#include "mb86a20s.h"
#include "zl10353.h"
@@ -228,6 +229,20 @@ static struct mt352_config avermedia_xc3028_mt352_dev = {
.demod_init = mt352_avermedia_xc3028_init,
};
+static struct tda18271_std_map mb86a20s_tda18271_std_map = {
+ .dvbt_6 = { .if_freq = 3300, .agc_mode = 3, .std = 4,
+ .if_lvl = 7, .rfagc_top = 0x37, },
+};
+
+static struct tda18271_config kworld_tda18271_config = {
+ .std_map = &mb86a20s_tda18271_std_map,
+ .gate = TDA18271_GATE_DIGITAL,
+};
+
+static const struct mb86a20s_config kworld_mb86a20s_config = {
+ .demod_address = 0x10,
+};
+
/* ==================================================================
* tda1004x based DVB-T cards, helper functions
*/
@@ -608,6 +623,37 @@ static struct tda827x_config tda827x_cfg_2_sw42 = {
/* ------------------------------------------------------------------ */
+static int __kworld_sbtvd_i2c_gate_ctrl(struct saa7134_dev *dev, int enable)
+{
+ unsigned char initmsg[] = {0x45, 0x97};
+ unsigned char msg_enable[] = {0x45, 0xc1};
+ unsigned char msg_disable[] = {0x45, 0x81};
+ struct i2c_msg msg = {.addr = 0x4b, .flags = 0, .buf = initmsg, .len = 2};
+
+ if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1) {
+ wprintk("could not access the I2C gate\n");
+ return -EIO;
+ }
+ if (enable)
+ msg.buf = msg_enable;
+ else
+ msg.buf = msg_disable;
+ if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1) {
+ wprintk("could not access the I2C gate\n");
+ return -EIO;
+ }
+ msleep(20);
+ return 0;
+}
+static int kworld_sbtvd_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct saa7134_dev *dev = fe->dvb->priv;
+
+ return __kworld_sbtvd_i2c_gate_ctrl(dev, enable);
+}
+
+/* ------------------------------------------------------------------ */
+
static struct tda1004x_config tda827x_lifeview_config = {
.demod_address = 0x08,
.invert = 1,
@@ -1613,6 +1659,29 @@ static int dvb_init(struct saa7134_dev *dev)
&dtv1000s_tda18271_config);
}
break;
+ case SAA7134_BOARD_KWORLD_PCI_SBTVD_FULLSEG:
+ __kworld_sbtvd_i2c_gate_ctrl(dev, 0);
+ saa_writel(SAA7134_GPIO_GPMODE0 >> 2, 0x14000);
+ saa_writel(SAA7134_GPIO_GPSTATUS0 >> 2, 0x14000);
+ msleep(20);
+ saa_writel(SAA7134_GPIO_GPMODE0 >> 2, 0x54000);
+ saa_writel(SAA7134_GPIO_GPSTATUS0 >> 2, 0x54000);
+ msleep(20);
+ fe0->dvb.frontend = dvb_attach(mb86a20s_attach,
+ &kworld_mb86a20s_config,
+ &dev->i2c_adap);
+ __kworld_sbtvd_i2c_gate_ctrl(dev, 1);
+ if (fe0->dvb.frontend != NULL) {
+ dvb_attach(tda18271_attach, fe0->dvb.frontend,
+ 0x60, &dev->i2c_adap,
+ &kworld_tda18271_config);
+ /*
+ * Only after success, it can initialize the gate, otherwise
+ * an OOPS will hit, due to kfree(fe0->dvb.frontend)
+ */
+ fe0->dvb.frontend->ops.i2c_gate_ctrl = kworld_sbtvd_i2c_gate_ctrl;
+ }
+ break;
default:
wprintk("Huh? unknown DVB card?\n");
break;