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Subject: media: cx231xx: Add support for Hauppauge HVR-975
Author:  Brad Love <b...@nextdimension.cc>
Date:    Tue Jan 9 11:44:26 2018 -0500

Hauppauge HVR-975 is hybrid NTSC/PAL, QAM/ATSC, and DVB-C/T/T2 usb device.

Only ATSC/QAM front end is initially active. Second frontend support is
work in progress.

CX23102 + LG3306A/Si2168(WiP) + Si2157

Changes since v1:
- removed double semicolon

Signed-off-by: Brad Love <b...@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>

 drivers/media/usb/cx231xx/cx231xx-cards.c | 42 ++++++++++++++++++
 drivers/media/usb/cx231xx/cx231xx-dvb.c   | 74 +++++++++++++++++++++++++++++++
 drivers/media/usb/cx231xx/cx231xx.h       |  1 +
 3 files changed, 117 insertions(+)

---

diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c 
b/drivers/media/usb/cx231xx/cx231xx-cards.c
index c2efbff9925c..8582568f0dcd 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -961,6 +961,45 @@ struct cx231xx_board cx231xx_boards[] = {
                        .gpio = NULL,
                } },
        },
+       [CX231XX_BOARD_HAUPPAUGE_975] = {
+               .name = "Hauppauge WinTV-HVR-975",
+               .tuner_type = TUNER_ABSENT,
+               .tuner_addr = 0x60,
+               .tuner_gpio = RDE250_XCV_TUNER,
+               .tuner_sif_gpio = 0x05,
+               .tuner_scl_gpio = 0x1a,
+               .tuner_sda_gpio = 0x1b,
+               .decoder = CX231XX_AVDECODER,
+               .output_mode = OUT_MODE_VIP11,
+               .demod_xfer_mode = 0,
+               .ctl_pin_status_mask = 0xFFFFFFC4,
+               .agc_analog_digital_select_gpio = 0x0c,
+               .gpio_pin_status_mask = 0x4001000,
+               .tuner_i2c_master = I2C_1_MUX_3,
+               .demod_i2c_master = I2C_1_MUX_3,
+               .has_dvb = 1,
+               .demod_addr = 0x59, /* 0xb2 >> 1 */
+               .norm = V4L2_STD_ALL,
+
+               .input = {{
+                       .type = CX231XX_VMUX_TELEVISION,
+                       .vmux = CX231XX_VIN_3_1,
+                       .amux = CX231XX_AMUX_VIDEO,
+                       .gpio = NULL,
+               }, {
+                       .type = CX231XX_VMUX_COMPOSITE1,
+                       .vmux = CX231XX_VIN_2_1,
+                       .amux = CX231XX_AMUX_LINE_IN,
+                       .gpio = NULL,
+               }, {
+                       .type = CX231XX_VMUX_SVIDEO,
+                       .vmux = CX231XX_VIN_1_1 |
+                               (CX231XX_VIN_1_2 << 8) |
+                               CX25840_SVIDEO_ON,
+                       .amux = CX231XX_AMUX_LINE_IN,
+                       .gpio = NULL,
+               } },
+       },
 };
 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
 
@@ -994,6 +1033,8 @@ struct usb_device_id cx231xx_id_table[] = {
         .driver_info = CX231XX_BOARD_HAUPPAUGE_955Q},
        {USB_DEVICE(0x2040, 0xb151),
         .driver_info = CX231XX_BOARD_HAUPPAUGE_935C},
+       {USB_DEVICE(0x2040, 0xb150),
+        .driver_info = CX231XX_BOARD_HAUPPAUGE_975},
        {USB_DEVICE(0x2040, 0xb130),
         .driver_info = CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx},
        {USB_DEVICE(0x2040, 0xb131),
@@ -1253,6 +1294,7 @@ void cx231xx_card_setup(struct cx231xx *dev)
        case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
        case CX231XX_BOARD_HAUPPAUGE_955Q:
        case CX231XX_BOARD_HAUPPAUGE_935C:
+       case CX231XX_BOARD_HAUPPAUGE_975:
                {
                        struct eeprom {
                                struct tveeprom tvee;
diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c 
b/drivers/media/usb/cx231xx/cx231xx-dvb.c
index 7127dd49201f..2d2b7b5349c1 100644
--- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
@@ -1143,6 +1143,80 @@ static int dvb_init(struct cx231xx *dev)
                dev->dvb->i2c_client_tuner = client;
                break;
        }
+       case CX231XX_BOARD_HAUPPAUGE_975:
+       {
+               struct i2c_client *client;
+               struct i2c_adapter *adapter;
+               struct i2c_board_info info = {};
+               struct si2157_config si2157_config = {};
+               struct lgdt3306a_config lgdt3306a_config = {};
+
+               /* attach demodulator chip */
+               lgdt3306a_config = hauppauge_955q_lgdt3306a_config;
+               lgdt3306a_config.fe = &dev->dvb->frontend;
+               lgdt3306a_config.i2c_adapter = &adapter;
+
+               strlcpy(info.type, "lgdt3306a", sizeof(info.type));
+               info.addr = dev->board.demod_addr;
+               info.platform_data = &lgdt3306a_config;
+
+               request_module(info.type);
+               client = i2c_new_device(demod_i2c, &info);
+               if (client == NULL || client->dev.driver == NULL) {
+                       result = -ENODEV;
+                       goto out_free;
+               }
+
+               if (!try_module_get(client->dev.driver->owner)) {
+                       dev_err(dev->dev,
+                               "Failed to attach %s frontend.\n", info.type);
+                       i2c_unregister_device(client);
+                       result = -ENODEV;
+                       goto out_free;
+               }
+
+               dvb->i2c_client_demod = client;
+               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
+
+               /* define general-purpose callback pointer */
+               dvb->frontend->callback = cx231xx_tuner_callback;
+
+               /* attach tuner */
+               si2157_config.fe = dev->dvb->frontend;
+#ifdef CONFIG_MEDIA_CONTROLLER_DVB
+               si2157_config.mdev = dev->media_dev;
+#endif
+               si2157_config.if_port = 1;
+               si2157_config.inversion = true;
+
+               memset(&info, 0, sizeof(struct i2c_board_info));
+               strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+               info.addr = dev->board.tuner_addr;
+               info.platform_data = &si2157_config;
+               request_module("si2157");
+
+               client = i2c_new_device(tuner_i2c, &info);
+               if (client == NULL || client->dev.driver == NULL) {
+                       module_put(dvb->i2c_client_demod->dev.driver->owner);
+                       i2c_unregister_device(dvb->i2c_client_demod);
+                       result = -ENODEV;
+                       goto out_free;
+               }
+
+               if (!try_module_get(client->dev.driver->owner)) {
+                       dev_err(dev->dev,
+                               "Failed to obtain %s tuner.\n", info.type);
+                       i2c_unregister_device(client);
+                       module_put(dvb->i2c_client_demod->dev.driver->owner);
+                       i2c_unregister_device(dvb->i2c_client_demod);
+                       result = -ENODEV;
+                       goto out_free;
+               }
+
+               dev->cx231xx_reset_analog_tuner = NULL;
+               dev->dvb->i2c_client_tuner = client;
+               break;
+       }
        default:
                dev_err(dev->dev,
                        "%s/2: The frontend of your DVB/ATSC card isn't 
supported yet\n",
diff --git a/drivers/media/usb/cx231xx/cx231xx.h 
b/drivers/media/usb/cx231xx/cx231xx.h
index 1493192b3d15..fa993f76bf59 100644
--- a/drivers/media/usb/cx231xx/cx231xx.h
+++ b/drivers/media/usb/cx231xx/cx231xx.h
@@ -82,6 +82,7 @@
 #define CX231XX_BOARD_ASTROMETA_T2HYBRID 24
 #define CX231XX_BOARD_THE_IMAGING_SOURCE_DFG_USB2_PRO 25
 #define CX231XX_BOARD_HAUPPAUGE_935C 26
+#define CX231XX_BOARD_HAUPPAUGE_975 27
 
 /* Limits minimum and default number of buffers */
 #define CX231XX_MIN_BUF                 4

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