From: Буди Романто, AreMa Inc <knightri...@are.ma>

Support for PLEX PX-BCUD (ISDB-S usb dongle)
Nagahama's patch simplified...

Signed-off-by: Буди Романто, AreMa Inc <knightri...@are.ma>
---
 drivers/media/usb/em28xx/Kconfig        |  2 +
 drivers/media/usb/em28xx/em28xx-cards.c | 27 +++++++++++
 drivers/media/usb/em28xx/em28xx-dvb.c   | 79 ++++++++++++++++++++++++++++++++-
 drivers/media/usb/em28xx/em28xx.h       |  1 +
 4 files changed, 107 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/em28xx/Kconfig b/drivers/media/usb/em28xx/Kconfig
index e382210..b138939 100644
--- a/drivers/media/usb/em28xx/Kconfig
+++ b/drivers/media/usb/em28xx/Kconfig
@@ -59,6 +59,8 @@ config VIDEO_EM28XX_DVB
        select DVB_DRX39XYJ if MEDIA_SUBDRV_AUTOSELECT
        select DVB_SI2168 if MEDIA_SUBDRV_AUTOSELECT
        select MEDIA_TUNER_SI2157 if MEDIA_SUBDRV_AUTOSELECT
+       select DVB_TC90522 if MEDIA_SUBDRV_AUTOSELECT
+       select MEDIA_TUNER_QM1D1C004X if MEDIA_SUBDRV_AUTOSELECT
        ---help---
          This adds support for DVB cards based on the
          Empiatech em28xx chips.
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c 
b/drivers/media/usb/em28xx/em28xx-cards.c
index 930e3e3..772a8f8 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -492,6 +492,20 @@ static struct em28xx_reg_seq terratec_t2_stick_hd[] = {
        {-1,                             -1,   -1,     -1},
 };
 
+static struct em28xx_reg_seq plex_px_bcud[] = {
+       {EM2874_R80_GPIO_P0_CTRL,       0xff,   0xff,   0},
+       {0x0d,                          0xff,   0xff,   0},
+       {EM2874_R50_IR_CONFIG,          0x01,   0xff,   0},
+       {EM28XX_R06_I2C_CLK,            0x40,   0xff,   0},
+       {EM2874_R80_GPIO_P0_CTRL,       0xfd,   0xff,   100},
+       {EM28XX_R12_VINENABLE,          0x20,   0x20,   0},
+       {0x0d,                          0x42,   0xff,   1000},
+       {EM2874_R80_GPIO_P0_CTRL,       0xfc,   0xff,   10},
+       {EM2874_R80_GPIO_P0_CTRL,       0xfd,   0xff,   10},
+       {0x73,                          0xfd,   0xff,   100},
+       {-1,                            -1,     -1,     -1},
+};
+
 /*
  *  Button definitions
  */
@@ -2306,6 +2320,17 @@ struct em28xx_board em28xx_boards[] = {
                .has_dvb       = 1,
                .ir_codes      = RC_MAP_TERRATEC_SLIM_2,
        },
+       /* 3275:0085 PLEX PX-BCUD.
+        * Empia EM28178, TOSHIBA TC90532XBG, Sharp QM1D1C0042 */
+       [EM28178_BOARD_PLEX_PX_BCUD] = {
+               .name          = "PLEX PX-BCUD",
+               .xclk          = EM28XX_XCLK_FREQUENCY_4_3MHZ,
+               .def_i2c_bus   = 1,
+               .i2c_speed     = EM28XX_I2C_CLK_WAIT_ENABLE,
+               .tuner_type    = TUNER_ABSENT,
+               .tuner_gpio    = plex_px_bcud,
+               .has_dvb       = 1,
+       },
 };
 EXPORT_SYMBOL_GPL(em28xx_boards);
 
@@ -2495,6 +2520,8 @@ struct usb_device_id em28xx_id_table[] = {
                        .driver_info = EM2861_BOARD_LEADTEK_VC100 },
        { USB_DEVICE(0xeb1a, 0x8179),
                        .driver_info = EM28178_BOARD_TERRATEC_T2_STICK_HD },
+       { USB_DEVICE(0x3275, 0x0085),
+                       .driver_info = EM28178_BOARD_PLEX_PX_BCUD },
        { },
 };
 MODULE_DEVICE_TABLE(usb, em28xx_id_table);
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c 
b/drivers/media/usb/em28xx/em28xx-dvb.c
index 5d209c7..e6c5a97 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -12,6 +12,10 @@
 
  (c) 2012 Frank Schäfer <fschaefer....@googlemail.com>
 
+ (c) 2016 Nagahama Satoshi <satt...@aim.com>
+          Budi Rachmanto, AreMa Inc. <i...@are.ma>
+       - PLEX PX-BCUD support
+
  Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
        (c) 2004, 2005 Chris Pascoe <c.pas...@itee.uq.edu.au>
        (c) 2004 Gerd Knorr <kra...@bytesex.org> [SuSE Labs]
@@ -25,11 +29,10 @@
 #include <linux/slab.h>
 #include <linux/usb.h>
 
+#include "ptx_common.h"
 #include "em28xx.h"
 #include <media/v4l2-common.h>
-#include <dvb_demux.h>
 #include <dvb_net.h>
-#include <dmxdev.h>
 #include <media/tuner.h>
 #include "tuner-simple.h"
 #include <linux/gpio.h>
@@ -787,6 +790,65 @@ static int em28xx_mt352_terratec_xs_init(struct 
dvb_frontend *fe)
        return 0;
 }
 
+static void px_bcud_init(struct em28xx *dev)
+{
+       int i;
+       struct {
+               unsigned char r[4];
+               int len;
+       } regs1[] = {
+               {{ 0x0e, 0x77 }, 2},
+               {{ 0x0f, 0x77 }, 2},
+               {{ 0x03, 0x90 }, 2},
+       }, regs2[] = {
+               {{ 0x07, 0x01 }, 2},
+               {{ 0x08, 0x10 }, 2},
+               {{ 0x13, 0x00 }, 2},
+               {{ 0x17, 0x00 }, 2},
+               {{ 0x03, 0x01 }, 2},
+               {{ 0x10, 0xb1 }, 2},
+               {{ 0x11, 0x40 }, 2},
+               {{ 0x85, 0x7a }, 2},
+               {{ 0x87, 0x04 }, 2},
+       };
+       static struct em28xx_reg_seq gpio[] = {
+               {EM28XX_R06_I2C_CLK,            0x40,   0xff,   300},
+               {EM2874_R80_GPIO_P0_CTRL,       0xfd,   0xff,   60},
+               {EM28XX_R15_RGAIN,              0x20,   0xff,   0},
+               {EM28XX_R16_GGAIN,              0x20,   0xff,   0},
+               {EM28XX_R17_BGAIN,              0x20,   0xff,   0},
+               {EM28XX_R18_ROFFSET,            0x00,   0xff,   0},
+               {EM28XX_R19_GOFFSET,            0x00,   0xff,   0},
+               {EM28XX_R1A_BOFFSET,            0x00,   0xff,   0},
+               {EM28XX_R23_UOFFSET,            0x00,   0xff,   0},
+               {EM28XX_R24_VOFFSET,            0x00,   0xff,   0},
+               {EM28XX_R26_COMPR,              0x00,   0xff,   0},
+               {0x13,                          0x08,   0xff,   0},
+               {EM28XX_R12_VINENABLE,          0x27,   0xff,   0},
+               {EM28XX_R0C_USBSUSP,            0x10,   0xff,   0},
+               {EM28XX_R27_OUTFMT,             0x00,   0xff,   0},
+               {EM28XX_R10_VINMODE,            0x00,   0xff,   0},
+               {EM28XX_R11_VINCTRL,            0x11,   0xff,   0},
+               {EM2874_R50_IR_CONFIG,          0x01,   0xff,   0},
+               {EM2874_R5F_TS_ENABLE,          0x80,   0xff,   0},
+               {EM28XX_R06_I2C_CLK,            0x46,   0xff,   0},
+       };
+       em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x46);
+       /* sleeping ISDB-T */
+       dev->dvb->i2c_client_demod->addr = 0x14;
+       for (i = 0; i < ARRAY_SIZE(regs1); i++)
+               i2c_master_send(dev->dvb->i2c_client_demod, regs1[i].r, 
regs1[i].len);
+       /* sleeping ISDB-S */
+       dev->dvb->i2c_client_demod->addr = 0x15;
+       for (i = 0; i < ARRAY_SIZE(regs2); i++)
+               i2c_master_send(dev->dvb->i2c_client_demod, regs2[i].r, 
regs2[i].len);
+       for (i = 0; i < ARRAY_SIZE(gpio); i++) {
+               em28xx_write_reg_bits(dev, gpio[i].reg, gpio[i].val, 
gpio[i].mask);
+               if (gpio[i].sleep > 0)
+                       msleep(gpio[i].sleep);
+       }
+};
+
 static struct mt352_config terratec_xs_mt352_cfg = {
        .demod_address = (0x1e >> 1),
        .no_tuner = 1,
@@ -1762,6 +1824,19 @@ static int em28xx_dvb_init(struct em28xx *dev)
                        dvb->i2c_client_tuner = client;
                }
                break;
+       case EM28178_BOARD_PLEX_PX_BCUD:
+               {
+                       struct ptx_subdev_info  pxbcud_subdev_info =
+                               {SYS_ISDBS, 0x15, TC90522_MODNAME, 0x61, 
QM1D1C004X_MODNAME};
+
+                       dvb->fe[0] = 
ptx_register_fe(&dev->i2c_adap[dev->def_i2c_bus], NULL, &pxbcud_subdev_info);
+                       if (!dvb->fe[0])
+                                goto out_free;
+                       dvb->i2c_client_demod = dvb->fe[0]->demodulator_priv;
+                        dvb->i2c_client_tuner = dvb->fe[0]->tuner_priv;
+                       px_bcud_init(dev);
+               }
+               break;
        default:
                em28xx_errdev("/2: The frontend of your DVB/ATSC card"
                                " isn't supported yet\n");
diff --git a/drivers/media/usb/em28xx/em28xx.h 
b/drivers/media/usb/em28xx/em28xx.h
index 2674449..9ad1240 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -145,6 +145,7 @@
 #define EM2861_BOARD_LEADTEK_VC100                95
 #define EM28178_BOARD_TERRATEC_T2_STICK_HD        96
 #define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008     97
+#define EM28178_BOARD_PLEX_PX_BCUD                98
 
 /* Limits minimum and default number of buffers */
 #define EM28XX_MIN_BUF 4
-- 
2.7.4

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