[PATCH] dvb: ttpci: add support for Hauppauge/TT DVB-C budget

Add support for Hauppauge/TT DVB-C budget.

Signed-off-by: Gavin Hamill <gdh@acentral.co.uk>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 50 insertions, 1 deletions

diff --git a/drivers/media/dvb/ttusb-budget/Kconfig b/drivers/media/dvb/ttusb-budget/Kconfig
index 4aa714ab4c28..c6c1d41a2efb 100644
--- a/drivers/media/dvb/ttusb-budget/Kconfig
+++ b/drivers/media/dvb/ttusb-budget/Kconfig
@@ -3,6 +3,7 @@ config DVB_TTUSB_BUDGET
         depends on DVB_CORE && USB
         select DVB_CX22700
         select DVB_TDA1004X
+        select DVB_VES1820
         select DVB_TDA8083
         select DVB_STV0299
         help
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index afa0e7a0e506..2c17a5f58340 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -24,6 +24,7 @@
 #include "dmxdev.h"
 #include "dvb_demux.h"
 #include "dvb_net.h"
+#include "ves1820.h"
 #include "cx22700.h"
 #include "tda1004x.h"
 #include "stv0299.h"
@@ -1367,6 +1368,47 @@ static struct tda8083_config ttusb_novas_grundig_29504_491_config = {
         .pll_set = ttusb_novas_grundig_29504_491_pll_set,
 };
 
+static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+        struct ttusb* ttusb = fe->dvb->priv;
+        u32 div;
+        u8 data[4];
+        struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };
+
+        div = (params->frequency + 35937500 + 31250) / 62500;
+
+        data[0] = (div >> 8) & 0x7f;
+        data[1] = div & 0xff;
+        data[2] = 0x85 | ((div >> 10) & 0x60);
+        data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);
+
+        if (i2c_transfer (&ttusb->i2c_adap, &msg, 1) != 1)
+                return -EIO;
+
+        return 0;
+}
+
+
+static struct ves1820_config alps_tdbe2_config = {
+        .demod_address = 0x09,
+        .xin = 57840000UL,
+        .invert = 1,
+        .selagc = VES1820_SELAGC_SIGNAMPERR,
+        .pll_set = alps_tdbe2_pll_set,
+};
+
+static u8 read_pwm(struct ttusb* ttusb)
+{
+        u8 b = 0xff;
+        u8 pwm;
+        struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
+                                { .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };
+
+        if ((i2c_transfer(&ttusb->i2c_adap, msg, 2) != 2) || (pwm == 0xff))
+                pwm = 0x48;
+
+        return pwm;
+}
 
 
 static void frontend_init(struct ttusb* ttusb)
@@ -1394,6 +1436,12 @@ static void frontend_init(struct ttusb* ttusb)
 
                 break;
 
+        case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))
+                ttusb->fe = ves1820_attach(&alps_tdbe2_config, &ttusb->i2c_adap, read_pwm(ttusb));
+                if (ttusb->fe != NULL)
+                        break;
+                break;
+
         case 0x1005: // Hauppauge/TT Nova-USB-t budget (tda10046/Philips td1316(tda6651tt) OR cx22700/ALPS TDMB7(??))
                 // try the ALPS TDMB7 first
                 ttusb->fe = cx22700_attach(&alps_tdmb7_config, &ttusb->i2c_adap);
@@ -1570,7 +1618,7 @@ static void ttusb_disconnect(struct usb_interface *intf)
 
 static struct usb_device_id ttusb_table[] = {
         {USB_DEVICE(0xb48, 0x1003)},
-/*      {USB_DEVICE(0xb48, 0x1004)},UNDEFINED HARDWARE - mail linuxtv.org list*/        /* to be confirmed ????  */
+        {USB_DEVICE(0xb48, 0x1004)},
         {USB_DEVICE(0xb48, 0x1005)},
         {}
 };