[media] af9035: USB1.1 support (== PID filters)

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 82 insertions, 3 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index ad66ac4b3913..3f00f0bee0ce 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -894,7 +894,12 @@ static int af9035_frontend_callback(void *adapter_priv, int component,
 static int af9035_get_adapter_count(struct dvb_usb_device *d)
 {
         struct state *state = d_to_priv(d);
-        return state->dual_mode + 1;
+
+        /* disable 2nd adapter as we don't have PID filters implemented */
+        if (d->udev->speed == USB_SPEED_FULL)
+                return 1;
+        else
+                return state->dual_mode + 1;
 }
 
 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
@@ -1201,8 +1206,8 @@ static int af9035_init(struct dvb_usb_device *d)
 {
         struct state *state = d_to_priv(d);
         int ret, i;
-        u16 frame_size = 87 * 188 / 4;
-        u8  packet_size = 512 / 4;
+        u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
+        u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
         struct reg_val_mask tab[] = {
                 { 0x80f99d, 0x01, 0x01 },
                 { 0x80f9a4, 0x01, 0x01 },
@@ -1328,6 +1333,72 @@ err:
         #define af9035_get_rc_config NULL
 #endif
 
+static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
+                struct usb_data_stream_properties *stream)
+{
+        struct dvb_usb_device *d = fe_to_d(fe);
+        dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
+
+        if (d->udev->speed == USB_SPEED_FULL)
+                stream->u.bulk.buffersize = 5 * 188;
+
+        return 0;
+}
+
+/*
+ * FIXME: PID filter is property of demodulator and should be moved to the
+ * correct driver. Also we support only adapter #0 PID filter and will
+ * disable adapter #1 if USB1.1 is used.
+ */
+static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+        struct dvb_usb_device *d = adap_to_d(adap);
+        int ret;
+
+        dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
+
+        ret = af9035_wr_reg_mask(d, 0x80f993, onoff, 0x01);
+        if (ret < 0)
+                goto err;
+
+        return 0;
+
+err:
+        dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+
+        return ret;
+}
+
+static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
+                int onoff)
+{
+        struct dvb_usb_device *d = adap_to_d(adap);
+        int ret;
+        u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
+
+        dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n",
+                        __func__, index, pid, onoff);
+
+        ret = af9035_wr_regs(d, 0x80f996, wbuf, 2);
+        if (ret < 0)
+                goto err;
+
+        ret = af9035_wr_reg(d, 0x80f994, onoff);
+        if (ret < 0)
+                goto err;
+
+        ret = af9035_wr_reg(d, 0x80f995, index);
+        if (ret < 0)
+                goto err;
+
+        return 0;
+
+err:
+        dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+
+        return ret;
+}
+
 static int af9035_probe(struct usb_interface *intf,
                 const struct usb_device_id *id)
 {
@@ -1385,10 +1456,18 @@ static const struct dvb_usb_device_properties af9035_props = {
         .tuner_attach = af9035_tuner_attach,
         .init = af9035_init,
         .get_rc_config = af9035_get_rc_config,
+        .get_stream_config = af9035_get_stream_config,
 
         .get_adapter_count = af9035_get_adapter_count,
         .adapter = {
                 {
+                        .caps = DVB_USB_ADAP_HAS_PID_FILTER |
+                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+                        .pid_filter_count = 32,
+                        .pid_filter_ctrl = af9035_pid_filter_ctrl,
+                        .pid_filter = af9035_pid_filter,
+
                         .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
                 }, {
                         .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),