V4L/DVB (5605): M920x: Add support for LifeView TV Walker Twin

Add support for "LifeView TV Walker Twin" (USB IDs 10fd:0513, 10fd:0514)

Signed-off-by: Nick Andrew <nick@nick-andrew.net>
Signed-off-by: Aapo Tahkola <aet@rasterburn.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

3 files changed, 276 insertions, 15 deletions

diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
index 97715f7514d6..dffce1d4ecd3 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
@@ -145,6 +145,8 @@
 #define USB_PID_MSI_DIGI_VOX_MINI_II                    0x1513
 #define USB_PID_OPERA1_COLD                             0x2830
 #define USB_PID_OPERA1_WARM                             0x3829
+#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD            0x0514
+#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM            0x0513
 
 
 #endif
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index 45d7bc214c18..fe5deeefbf5e 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -41,6 +41,26 @@ static struct dvb_usb_rc_key megasky_rc_keys [] = {
         { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
 };
 
+static struct dvb_usb_rc_key tvwalkertwin_rc_keys [] = {
+        { 0x0, 0x01, KEY_ZOOM }, /* Full Screen */
+        { 0x0, 0x02, KEY_CAMERA }, /* snapshot */
+        { 0x0, 0x03, KEY_MUTE },
+        { 0x0, 0x04, KEY_REWIND },
+        { 0x0, 0x05, KEY_PLAYPAUSE }, /* Play/Pause */
+        { 0x0, 0x06, KEY_FASTFORWARD },
+        { 0x0, 0x07, KEY_RECORD },
+        { 0x0, 0x08, KEY_STOP },
+        { 0x0, 0x09, KEY_TIME }, /* Timeshift */
+        { 0x0, 0x0c, KEY_COFFEE }, /* Recall */
+        { 0x0, 0x0e, KEY_CHANNELUP },
+        { 0x0, 0x12, KEY_POWER },
+        { 0x0, 0x15, KEY_MENU }, /* source */
+        { 0x0, 0x18, KEY_CYCLEWINDOWS }, /* TWIN PIP */
+        { 0x0, 0x1a, KEY_CHANNELDOWN },
+        { 0x0, 0x1b, KEY_VOLUMEDOWN },
+        { 0x0, 0x1e, KEY_VOLUMEUP },
+};
+
 static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
                              u16 index, void *data, int size)
 {
@@ -74,17 +94,23 @@ static inline int m9206_write(struct usb_device *udev, u8 request,
         return ret;
 }
 
-static int m9206_init(struct dvb_usb_device *d)
+static int m9206_init(struct dvb_usb_device *d, struct m9206_inits *rc_seq)
 {
         int ret = 0;
 
         /* Remote controller init. */
         if (d->props.rc_query) {
-                if ((ret = m9206_write(d->udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
-                        return ret;
+                deb_rc("Initialising remote control\n");
+                while (rc_seq->address) {
+                        if ((ret = m9206_write(d->udev, M9206_CORE, rc_seq->data, rc_seq->address)) != 0) {
+                                deb_rc("Initialising remote control failed\n");
+                                return ret;
+                        }
 
-                if ((ret = m9206_write(d->udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
-                        return ret;
+                        rc_seq++;
+                }
+
+                deb_rc("Initialising remote control success\n");
         }
 
         return ret;
@@ -111,6 +137,14 @@ static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
                                 *state = REMOTE_NO_KEY_PRESSED;
                                 goto unlock;
 
+                        case 0x88: /* framing error or "invalid code" */
+                        case 0x99:
+                        case 0xc0:
+                        case 0xd8:
+                                *state = REMOTE_NO_KEY_PRESSED;
+                                m->rep_count = 0;
+                                goto unlock;
+
                         case 0x93:
                         case 0x92:
                                 m->rep_count = 0;
@@ -118,20 +152,22 @@ static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
                                 goto unlock;
 
                         case 0x91:
-                                /* For comfort. */
+                                /* prevent immediate auto-repeat */
                                 if (++m->rep_count > 2)
                                         *state = REMOTE_KEY_REPEAT;
+                                else
+                                        *state = REMOTE_NO_KEY_PRESSED;
                                 goto unlock;
 
                         default:
-                                deb_rc("Unexpected rc response %x\n", rc_state[0]);
+                                deb_rc("Unexpected rc state %02x\n", rc_state[0]);
                                 *state = REMOTE_NO_KEY_PRESSED;
                                 goto unlock;
                         }
                 }
 
         if (rc_state[1] != 0)
-                deb_rc("Unknown rc key %x\n", rc_state[1]);
+                deb_rc("Unknown rc key %02x\n", rc_state[1]);
 
         *state = REMOTE_NO_KEY_PRESSED;
 
@@ -416,6 +452,12 @@ static int megasky_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
         return 0;
 }
 
+static struct m9206_inits megasky_rc_init [] = {
+        { M9206_RC_INIT2, 0xa8 },
+        { M9206_RC_INIT1, 0x51 },
+        { } /* terminating entry */
+};
+
 static struct tda1004x_config digivox_tda10046_config = {
         .demod_address = 0x08,
         .invert = 0,
@@ -447,9 +489,106 @@ static int digivox_tda8275_tuner_attach(struct dvb_usb_adapter *adap)
         return 0;
 }
 
+/* LifeView TV Walker Twin has 1 x M9206, 2 x TDA10046, 2 x TDA8275A
+ * TDA10046 #0 is located at i2c address 0x08
+ * TDA10046 #1 is located at i2c address 0x0b
+ * TDA8275A #0 is located at i2c address 0x60
+ * TDA8275A #1 is located at i2c address 0x61
+ */
+
+static struct tda1004x_config tvwalkertwin_0_tda10046_config = {
+        .demod_address = 0x08,
+        .invert = 0,
+        .invert_oclk = 0,
+        .ts_mode = TDA10046_TS_SERIAL,
+        .xtal_freq = TDA10046_XTAL_16M,
+        .if_freq = TDA10046_FREQ_045,
+        .agc_config = TDA10046_AGC_TDA827X,
+        .gpio_config = TDA10046_GPTRI,
+        .request_firmware = NULL, /* uses firmware EEPROM */
+};
+
+static struct tda1004x_config tvwalkertwin_1_tda10046_config = {
+        .demod_address = 0x0b,
+        .invert = 0,
+        .invert_oclk = 0,
+        .ts_mode = TDA10046_TS_SERIAL,
+        .xtal_freq = TDA10046_XTAL_16M,
+        .if_freq = TDA10046_FREQ_045,
+        .agc_config = TDA10046_AGC_TDA827X,
+        .gpio_config = TDA10046_GPTRI,
+        .request_firmware = NULL, /* uses firmware EEPROM */
+};
+
+static int tvwalkertwin_0_tda10046_frontend_attach(struct dvb_usb_adapter *adap)
+{
+        deb_rc("tvwalkertwin_0_tda10046_frontend_attach!\n");
+
+        if ((adap->fe = dvb_attach(tda10046_attach, &tvwalkertwin_0_tda10046_config, &adap->dev->i2c_adap)) == NULL)
+                return -EIO;
+
+        deb_rc("Attached demod 0 at address %02x\n", tvwalkertwin_0_tda10046_config.demod_address);
+
+        return 0;
+}
+
+static int tvwalkertwin_1_tda10046_frontend_attach(struct dvb_usb_adapter *adap)
+{
+        deb_rc("tvwalkertwin_1_tda10046_frontend_attach!\n");
+
+        if ((adap->fe = dvb_attach(tda10046_attach, &tvwalkertwin_1_tda10046_config, &adap->dev->i2c_adap)) == NULL)
+                return -EIO;
+
+        deb_rc("Attached demod 1 at address %02x\n", tvwalkertwin_1_tda10046_config.demod_address);
+
+        return 0;
+}
+
+static int tvwalkertwin_0_tda8275_tuner_attach(struct dvb_usb_adapter *adap)
+{
+        int address = 0x60;
+
+        deb_rc("tvwalkertwin_0_tda8275_tuner_attach!\n");
+
+        if (dvb_attach(tda827x_attach, adap->fe, address, &adap->dev->i2c_adap,
+                       NULL) == NULL)
+                return -ENODEV;
+
+        deb_rc("Attached tuner 0 at address %02x\n", address);
+
+        return 0;
+}
+
+static int tvwalkertwin_1_tda8275_tuner_attach(struct dvb_usb_adapter *adap)
+{
+        int address = 0x61;
+
+        deb_rc("tvwalkertwin_1_tda8275_tuner_attach!\n");
+
+        if (dvb_attach(tda827x_attach, adap->fe, address, &adap->dev->i2c_adap,
+                       NULL) == NULL)
+                return -ENODEV;
+
+        deb_rc("Attached tuner 1 at address %02x\n", address);
+
+        return 0;
+}
+
+static struct m9206_inits tvwalkertwin_rc_init [] = {
+        { M9206_RC_INIT2, 0x00 },
+        { M9206_RC_INIT1, 0xef },
+        { 0xff28,         0x00 },
+        { 0xff23,         0x00 },
+        { 0xff21,         0x30 },
+        { } /* terminating entry */
+};
+
 /* DVB USB Driver stuff */
 static struct dvb_usb_device_properties megasky_properties;
 static struct dvb_usb_device_properties digivox_mini_ii_properties;
+static struct dvb_usb_device_properties tvwalkertwin_properties;
+static struct m9206_inits megasky_rc_init [];
+static struct m9206_inits tvwalkertwin_rc_init [];
 
 static int m920x_probe(struct usb_interface *intf,
                        const struct usb_device_id *id)
@@ -457,14 +596,46 @@ static int m920x_probe(struct usb_interface *intf,
         struct dvb_usb_device *d;
         struct usb_host_interface *alt;
         int ret;
+        struct m9206_inits *rc_init_seq = NULL;
+        int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
 
-        deb_rc("Probed!\n");
+        deb_rc("Probing for m920x device at interface %d\n", bInterfaceNumber);
 
-        if (((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) ||
-            ((ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties, THIS_MODULE, &d)) == 0))
-                goto found;
+        if (bInterfaceNumber == 0) {
+                /* Single-tuner device, or first interface on
+                 * multi-tuner device
+                 */
 
-        return ret;
+                if ((ret = dvb_usb_device_init(intf, &megasky_properties,
+                        THIS_MODULE, &d)) == 0) {
+                        rc_init_seq = megasky_rc_init;
+                        goto found;
+                }
+
+                if ((ret = dvb_usb_device_init(intf,
+                        &digivox_mini_ii_properties, THIS_MODULE, &d)) == 0) {
+                        /* No remote control, so no rc_init_seq */
+                        goto found;
+                }
+
+                /* This configures both tuners on the TV Walker Twin */
+                if ((ret = dvb_usb_device_init(intf, &tvwalkertwin_properties,
+                        THIS_MODULE, &d)) == 0) {
+                        rc_init_seq = tvwalkertwin_rc_init;
+                        goto found;
+                }
+
+                return ret;
+        } else {
+                /* Another interface on a multi-tuner device */
+
+                /* The LifeView TV Walker Twin gets here, but struct
+                 * tvwalkertwin_properties already configured both
+                 * tuners, so there is nothing for us to do here
+                 */
+
+                return -ENODEV;
+        }
 
 found:
         alt = usb_altnum_to_altsetting(intf, 1);
@@ -478,7 +649,7 @@ found:
         if (ret < 0)
                 return ret;
 
-        if ((ret = m9206_init(d)) != 0)
+        if ((ret = m9206_init(d, rc_init_seq)) != 0)
                 return ret;
 
         return ret;
@@ -488,6 +659,10 @@ static struct usb_device_id m920x_table [] = {
                 { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
                 { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
                              USB_PID_MSI_DIGI_VOX_MINI_II) },
+                { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
+                             USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD) },
+                { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
+                             USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM) },
                 { }             /* Terminating entry */
 };
 MODULE_DEVICE_TABLE (usb, m920x_table);
@@ -585,6 +760,81 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
         }
 };
 
+/* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net> */
+
+static struct dvb_usb_device_properties tvwalkertwin_properties = {
+        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+        .usb_ctrl = DEVICE_SPECIFIC,
+        .firmware = "dvb-usb-tvwalkert.fw",
+        .download_firmware = m9206_firmware_download,
+
+        .rc_interval      = 100,
+        .rc_key_map       = tvwalkertwin_rc_keys,
+        .rc_key_map_size  = ARRAY_SIZE(tvwalkertwin_rc_keys),
+        .rc_query         = m9206_rc_query,
+
+        .size_of_priv     = sizeof(struct m9206_state),
+
+        .identify_state   = m920x_identify_state,
+        .num_adapters = 2,
+        .adapter = {
+                {
+                        .caps = DVB_USB_ADAP_HAS_PID_FILTER |
+                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+                        .pid_filter_count = 8,
+                        .pid_filter       = m9206_pid_filter,
+                        .pid_filter_ctrl  = m9206_pid_filter_ctrl,
+
+                        .frontend_attach  = tvwalkertwin_0_tda10046_frontend_attach,
+                        .tuner_attach     = tvwalkertwin_0_tda8275_tuner_attach,
+
+                        .stream = {
+                                .type = USB_BULK,
+                                .count = 8,
+                                .endpoint = 0x81,
+                                .u = {
+                                        .bulk = {
+                                                .buffersize = 512,
+                                        }
+                                }
+                        },
+                },
+                {
+                        .caps = DVB_USB_ADAP_HAS_PID_FILTER |
+                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+                        .pid_filter_count = 8,
+                        .pid_filter       = m9206_pid_filter,
+                        .pid_filter_ctrl  = m9206_pid_filter_ctrl,
+
+                        .frontend_attach  = tvwalkertwin_1_tda10046_frontend_attach,
+                        .tuner_attach     = tvwalkertwin_1_tda8275_tuner_attach,
+
+                        .stream = {
+                                .type = USB_BULK,
+                                .count = 8,
+                                .endpoint = 0x82,
+                                .u = {
+                                        .bulk = {
+                                                .buffersize = 512,
+                                        }
+                                }
+                        },
+                }
+        },
+        .i2c_algo         = &m9206_i2c_algo,
+
+        .num_device_descs = 1,
+        .devices = {
+                {   .name = "LifeView TV Walker Twin DVB-T USB2.0",
+                    .cold_ids = { &m920x_table[2], NULL },
+                    .warm_ids = { &m920x_table[3], NULL },
+                },
+        }
+};
+
 static struct usb_driver m920x_driver = {
         .name           = "dvb_usb_m920x",
         .probe          = m920x_probe,
@@ -615,6 +865,6 @@ module_init (m920x_module_init);
 module_exit (m920x_module_exit);
 
 MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
-MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x");
+MODULE_DESCRIPTION("DVB Driver for ULI M920x");
 MODULE_VERSION("0.1");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/dvb-usb/m920x.h b/drivers/media/dvb/dvb-usb/m920x.h
index 7dd3db65c80e..a2a975588967 100644
--- a/drivers/media/dvb/dvb-usb/m920x.h
+++ b/drivers/media/dvb/dvb-usb/m920x.h
@@ -64,4 +64,13 @@ struct m9206_state {
         int filtering_enabled;
         int rep_count;
 };
+
+/* Initialisation data for the m920x
+ */
+
+struct m9206_inits {
+        u16 address;
+        u8  data;
+};
+
 #endif