V4L/DVB (8147): cxusb: add initial support for AVerTVHD Volar

Add initial support for this device. The AGC and tracking filter
settings for the mxl5003 are known to be wrong, but it generally works.

Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 142 insertions, 4 deletions

diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
index 0286156704f2..578afce6884c 100644
--- a/drivers/media/dvb/dvb-usb/cxusb.c
+++ b/drivers/media/dvb/dvb-usb/cxusb.c
@@ -35,6 +35,7 @@
 #include "zl10353.h"
 #include "tuner-xc2028.h"
 #include "tuner-simple.h"
+#include "mxl5005s.h"
 
 /* debug */
 static int dvb_usb_cxusb_debug;
@@ -43,9 +44,8 @@ MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_ST
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
-#define deb_info(args...)   dprintk(dvb_usb_cxusb_debug,0x01,args)
-#define deb_i2c(args...)    if (d->udev->descriptor.idVendor == USB_VID_MEDION) \
-                                dprintk(dvb_usb_cxusb_debug,0x01,args)
+#define deb_info(args...)   dprintk(dvb_usb_cxusb_debug, 0x03, args)
+#define deb_i2c(args...)    dprintk(dvb_usb_cxusb_debug, 0x02, args)
 
 static int cxusb_ctrl_msg(struct dvb_usb_device *d,
                           u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
@@ -202,6 +202,46 @@ static int cxusb_power_ctrl(struct dvb_usb_device *d, int onoff)
                 return cxusb_ctrl_msg(d, CMD_POWER_OFF, &b, 1, NULL, 0);
 }
 
+static int cxusb_aver_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+        int ret;
+        if (!onoff)
+                return cxusb_ctrl_msg(d, CMD_POWER_OFF, NULL, 0, NULL, 0);
+        if (d->state == DVB_USB_STATE_INIT &&
+            usb_set_interface(d->udev, 0, 0) < 0)
+                err("set interface failed");
+        do; while (!(ret = cxusb_ctrl_msg(d, CMD_POWER_ON, NULL, 0, NULL, 0)) &&
+                   !(ret = cxusb_ctrl_msg(d, 0x15, NULL, 0, NULL, 0)) &&
+                   !(ret = cxusb_ctrl_msg(d, 0x17, NULL, 0, NULL, 0)) && 0);
+        if (!ret) {
+                /* FIXME: We don't know why, but we need to configure the
+                 * lgdt3303 with the register settings below on resume */
+                int i;
+                u8 buf, bufs[] = {
+                        0x0e, 0x2, 0x00, 0x7f,
+                        0x0e, 0x2, 0x02, 0xfe,
+                        0x0e, 0x2, 0x02, 0x01,
+                        0x0e, 0x2, 0x00, 0x03,
+                        0x0e, 0x2, 0x0d, 0x40,
+                        0x0e, 0x2, 0x0e, 0x87,
+                        0x0e, 0x2, 0x0f, 0x8e,
+                        0x0e, 0x2, 0x10, 0x01,
+                        0x0e, 0x2, 0x14, 0xd7,
+                        0x0e, 0x2, 0x47, 0x88,
+                };
+                msleep(20);
+                for (i = 0; i < sizeof(bufs)/sizeof(u8); i += 4/sizeof(u8)) {
+                        ret = cxusb_ctrl_msg(d, CMD_I2C_WRITE,
+                                             bufs+i, 4, &buf, 1);
+                        if (ret)
+                                break;
+                        if (buf != 0x8)
+                                return -EREMOTEIO;
+                }
+        }
+        return ret;
+}
+
 static int cxusb_bluebird_power_ctrl(struct dvb_usb_device *d, int onoff)
 {
         u8 b = 0;
@@ -233,6 +273,16 @@ static int cxusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
         return 0;
 }
 
+static int cxusb_aver_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+        if (onoff)
+                cxusb_ctrl_msg(adap->dev, CMD_AVER_STREAM_ON, NULL, 0, NULL, 0);
+        else
+                cxusb_ctrl_msg(adap->dev, CMD_AVER_STREAM_OFF,
+                               NULL, 0, NULL, 0);
+        return 0;
+}
+
 static int cxusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 {
         struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
@@ -423,6 +473,12 @@ static struct lgdt330x_config cxusb_lgdt3303_config = {
         .demod_chip    = LGDT3303,
 };
 
+static struct lgdt330x_config cxusb_aver_lgdt3303_config = {
+        .demod_address       = 0x0e,
+        .demod_chip          = LGDT3303,
+        .clock_polarity_flip = 2,
+};
+
 static struct mt352_config cxusb_dee1601_config = {
         .demod_address = 0x0f,
         .demod_init    = cxusb_dee1601_demod_init,
@@ -453,6 +509,24 @@ static struct mt352_config cxusb_mt352_xc3028_config = {
         .demod_init = cxusb_mt352_demod_init,
 };
 
+/* FIXME: needs tweaking */
+static struct mxl5005s_config aver_a868r_tuner = {
+        .i2c_address     = 0x63,
+        .if_freq         = 6000000UL,
+        .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
+        .agc_mode        = MXL_SINGLE_AGC,
+        .tracking_filter = MXL_TF_C,
+        .rssi_enable     = MXL_RSSI_ENABLE,
+        .cap_select      = MXL_CAP_SEL_ENABLE,
+        .div_out         = MXL_DIV_OUT_4,
+        .clock_out       = MXL_CLOCK_OUT_DISABLE,
+        .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
+        .top             = MXL5005S_TOP_25P2,
+        .mod_mode        = MXL_DIGITAL_MODE,
+        .if_mode         = MXL_ZERO_IF,
+        .AgcMasterByte   = 0x00,
+};
+
 /* Callbacks for DVB USB */
 static int cxusb_fmd1216me_tuner_attach(struct dvb_usb_adapter *adap)
 {
@@ -533,6 +607,13 @@ static int cxusb_dvico_xc3028_tuner_attach(struct dvb_usb_adapter *adap)
         return 0;
 }
 
+static int cxusb_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
+{
+        dvb_attach(mxl5005s_attach, adap->fe,
+                   &adap->dev->i2c_adap, &aver_a868r_tuner);
+        return 0;
+}
+
 static int cxusb_cx22702_frontend_attach(struct dvb_usb_adapter *adap)
 {
         u8 b;
@@ -562,6 +643,16 @@ static int cxusb_lgdt3303_frontend_attach(struct dvb_usb_adapter *adap)
         return -EIO;
 }
 
+static int cxusb_aver_lgdt3303_frontend_attach(struct dvb_usb_adapter *adap)
+{
+        adap->fe = dvb_attach(lgdt330x_attach, &cxusb_aver_lgdt3303_config,
+                              &adap->dev->i2c_adap);
+        if (adap->fe != NULL)
+                return 0;
+
+        return -EIO;
+}
+
 static int cxusb_mt352_frontend_attach(struct dvb_usb_adapter *adap)
 {
         /* used in both lgz201 and th7579 */
@@ -736,6 +827,7 @@ static struct dvb_usb_device_properties cxusb_bluebird_dtt7579_properties;
 static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_properties;
 static struct dvb_usb_device_properties cxusb_bluebird_nano2_properties;
 static struct dvb_usb_device_properties cxusb_bluebird_nano2_needsfirmware_properties;
+static struct dvb_usb_device_properties cxusb_aver_a868r_properties;
 
 static int cxusb_probe(struct usb_interface *intf,
                        const struct usb_device_id *id)
@@ -756,7 +848,10 @@ static int cxusb_probe(struct usb_interface *intf,
                                      THIS_MODULE, NULL, adapter_nr) ||
             0 == dvb_usb_device_init(intf,
                                 &cxusb_bluebird_nano2_needsfirmware_properties,
-                                     THIS_MODULE, NULL, adapter_nr))
+                                     THIS_MODULE, NULL, adapter_nr) ||
+            0 == dvb_usb_device_init(intf, &cxusb_aver_a868r_properties,
+                                     THIS_MODULE, NULL, adapter_nr) ||
+            0)
                 return 0;
 
         return -EINVAL;
@@ -779,6 +874,7 @@ static struct usb_device_id cxusb_table [] = {
         { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_4) },
         { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2) },
         { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM) },
+        { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_A868R) },
         {}              /* Terminating entry */
 };
 MODULE_DEVICE_TABLE (usb, cxusb_table);
@@ -1182,6 +1278,48 @@ static struct dvb_usb_device_properties cxusb_bluebird_nano2_needsfirmware_prope
         }
 };
 
+static struct dvb_usb_device_properties cxusb_aver_a868r_properties = {
+        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+        .usb_ctrl         = CYPRESS_FX2,
+
+        .size_of_priv     = sizeof(struct cxusb_state),
+
+        .num_adapters = 1,
+        .adapter = {
+                {
+                        .streaming_ctrl   = cxusb_aver_streaming_ctrl,
+                        .frontend_attach  = cxusb_aver_lgdt3303_frontend_attach,
+                        .tuner_attach     = cxusb_mxl5003s_tuner_attach,
+                        /* parameter for the MPEG2-data transfer */
+                        .stream = {
+                                .type = USB_BULK,
+                                .count = 5,
+                                .endpoint = 0x04,
+                                .u = {
+                                        .bulk = {
+                                                .buffersize = 8192,
+                                        }
+                                }
+                        },
+
+                },
+        },
+        .power_ctrl       = cxusb_aver_power_ctrl,
+
+        .i2c_algo         = &cxusb_i2c_algo,
+
+        .generic_bulk_ctrl_endpoint = 0x01,
+
+        .num_device_descs = 1,
+        .devices = {
+                {   "AVerMedia AVerTVHD Volar (A868R)",
+                        { NULL },
+                        { &cxusb_table[16], NULL },
+                },
+        }
+};
+
 static struct usb_driver cxusb_driver = {
         .name           = "dvb_usb_cxusb",
         .probe          = cxusb_probe,