V4L/DVB (8644): Add support for DViCO FusionHDTV DVB-T Dual Express

Add support for the DViCO FusionHDTV DVB-T Dual Express card, based on
work by Chris Pascoe and Stephen Backway.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 59 insertions, 0 deletions

diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index 93ad7f8ce203..7caa2465e7fb 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -149,6 +149,11 @@ struct cx23885_board cx23885_boards[] = {
                 .portb          = CX23885_MPEG_DVB,
                 .portc          = CX23885_MPEG_DVB,
         },
+        [CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP] = {
+                .name           = "DViCO FusionHDTV DVB-T Dual Express",
+                .portb          = CX23885_MPEG_DVB,
+                .portc          = CX23885_MPEG_DVB,
+        },
 };
 const unsigned int cx23885_bcount = ARRAY_SIZE(cx23885_boards);
 
@@ -220,6 +225,10 @@ struct cx23885_subid cx23885_subids[] = {
                 .subvendor = 0x18ac,
                 .subdevice = 0xd618,
                 .card      = CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP,
+        },{
+                .subvendor = 0x18ac,
+                .subdevice = 0xdb78,
+                .card      = CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP,
         },
 };
 const unsigned int cx23885_idcount = ARRAY_SIZE(cx23885_subids);
@@ -340,6 +349,7 @@ static int cx23885_tuner_callback(struct cx23885_dev *dev, int port,
                         bitmask = 0x04;
                 break;
         case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
+        case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP:
                 if (command == 0) {
 
                         /* Two identical tuners on two different i2c buses,
@@ -483,6 +493,19 @@ void cx23885_gpio_setup(struct cx23885_dev *dev)
                 mdelay(20);
                 cx_set(GP0_IO, 0x000f000f);
                 break;
+        case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP:
+                /* GPIO-0 portb xc3028 reset */
+                /* GPIO-1 portb zl10353 reset */
+                /* GPIO-2 portc xc3028 reset */
+                /* GPIO-3 portc zl10353 reset */
+
+                /* Put the parts into reset and back */
+                cx_set(GP0_IO, 0x000f0000);
+                mdelay(20);
+                cx_clear(GP0_IO, 0x0000000f);
+                mdelay(20);
+                cx_set(GP0_IO, 0x000f000f);
+                break;
         }
 }
 
@@ -534,6 +557,7 @@ void cx23885_card_setup(struct cx23885_dev *dev)
 
         switch (dev->board) {
         case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
+        case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP:
                 ts2->gen_ctrl_val  = 0xc; /* Serial bus + punctured clock */
                 ts2->ts_clk_en_val = 0x1; /* Enable TS_CLK */
                 ts2->src_sel_val   = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 45670051e7d5..dbbbf5b0d2e1 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -42,6 +42,7 @@
 #include "tuner-simple.h"
 #include "dib7000p.h"
 #include "dibx000_common.h"
+#include "zl10353.h"
 
 static unsigned int debug;
 
@@ -303,6 +304,12 @@ static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
         .output_mode = OUTMODE_MPEG2_SERIAL,
 };
 
+static struct zl10353_config dvico_fusionhdtv_xc3028 = {
+        .demod_address = 0x0f,
+        .if2           = 45600,
+        .no_tuner      = 1,
+};
+
 static int dvb_register(struct cx23885_tsport *port)
 {
         struct cx23885_dev *dev = port->dev;
@@ -465,6 +472,33 @@ static int dvb_register(struct cx23885_tsport *port)
                                 &i2c_bus->i2c_adap,
                                 &dvico_xc5000_tunerconfig, i2c_bus);
                 break;
+        case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
+                i2c_bus = &dev->i2c_bus[port->nr - 1];
+
+                port->dvb.frontend = dvb_attach(zl10353_attach,
+                                               &dvico_fusionhdtv_xc3028,
+                                               &i2c_bus->i2c_adap);
+                if (port->dvb.frontend != NULL) {
+                        struct dvb_frontend      *fe;
+                        struct xc2028_config      cfg = {
+                                .i2c_adap  = &i2c_bus->i2c_adap,
+                                .i2c_addr  = 0x61,
+                                .video_dev = port,
+                                .callback  = cx23885_xc3028_tuner_callback,
+                        };
+                        static struct xc2028_ctrl ctl = {
+                                .fname       = "xc3028-v27.fw",
+                                .max_len     = 64,
+                                .demod       = XC3028_FE_ZARLINK456,
+                        };
+
+                        fe = dvb_attach(xc2028_attach, port->dvb.frontend,
+                                        &cfg);
+                        if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
+                                fe->ops.tuner_ops.set_config(fe, &ctl);
+                }
+                break;
+        }
         default:
                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
                        dev->name);
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index 64827fb669a2..08b4c1390e16 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -64,6 +64,7 @@
 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
+#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
 
 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 #define CX23885_NORMS (\