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path: root/drivers/media/dvb/dvb-usb/af9015.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/af9015.c')
-rw-r--r--drivers/media/dvb/dvb-usb/af9015.c67
1 files changed, 44 insertions, 23 deletions
diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c
index 8671ca3..100ebc3 100644
--- a/drivers/media/dvb/dvb-usb/af9015.c
+++ b/drivers/media/dvb/dvb-usb/af9015.c
@@ -479,6 +479,7 @@ static int af9015_init_endpoint(struct dvb_usb_device *d)
ret = af9015_set_reg_bit(d, 0xd50b, 0);
else
ret = af9015_clear_reg_bit(d, 0xd50b, 0);
+
error:
if (ret)
err("endpoint init failed:%d", ret);
@@ -611,6 +612,11 @@ static int af9015_init(struct dvb_usb_device *d)
int ret;
deb_info("%s:\n", __func__);
+ /* init RC canary */
+ ret = af9015_write_reg(d, 0x98e9, 0xff);
+ if (ret)
+ goto error;
+
ret = af9015_init_endpoint(d);
if (ret)
goto error;
@@ -659,9 +665,8 @@ error:
static int af9015_download_firmware(struct usb_device *udev,
const struct firmware *fw)
{
- int i, len, packets, remainder, ret;
+ int i, len, remaining, ret;
struct req_t req = {DOWNLOAD_FIRMWARE, 0, 0, 0, 0, 0, NULL};
- u16 addr = 0x5100; /* firmware start address */
u16 checksum = 0;
deb_info("%s:\n", __func__);
@@ -673,24 +678,20 @@ static int af9015_download_firmware(struct usb_device *udev,
af9015_config.firmware_size = fw->size;
af9015_config.firmware_checksum = checksum;
- #define FW_PACKET_MAX_DATA 55
-
- packets = fw->size / FW_PACKET_MAX_DATA;
- remainder = fw->size % FW_PACKET_MAX_DATA;
- len = FW_PACKET_MAX_DATA;
- for (i = 0; i <= packets; i++) {
- if (i == packets) /* set size of the last packet */
- len = remainder;
+ #define FW_ADDR 0x5100 /* firmware start address */
+ #define LEN_MAX 55 /* max packet size */
+ for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
+ len = remaining;
+ if (len > LEN_MAX)
+ len = LEN_MAX;
req.data_len = len;
- req.data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA);
- req.addr = addr;
- addr += FW_PACKET_MAX_DATA;
+ req.data = (u8 *) &fw->data[fw->size - remaining];
+ req.addr = FW_ADDR + fw->size - remaining;
ret = af9015_rw_udev(udev, &req);
if (ret) {
- err("firmware download failed at packet %d with " \
- "code %d", i, ret);
+ err("firmware download failed:%d", ret);
goto error;
}
}
@@ -738,6 +739,8 @@ static const struct af9015_rc_setup af9015_rc_setup_hashes[] = {
};
static const struct af9015_rc_setup af9015_rc_setup_usbids[] = {
+ { (USB_VID_TERRATEC << 16) + USB_PID_TERRATEC_CINERGY_T_STICK_RC,
+ RC_MAP_TERRATEC_SLIM_2 },
{ (USB_VID_TERRATEC << 16) + USB_PID_TERRATEC_CINERGY_T_STICK_DUAL_RC,
RC_MAP_TERRATEC_SLIM },
{ (USB_VID_VISIONPLUS << 16) + USB_PID_AZUREWAVE_AD_TU700,
@@ -1016,22 +1019,38 @@ static int af9015_rc_query(struct dvb_usb_device *d)
{
struct af9015_state *priv = d->priv;
int ret;
- u8 buf[16];
+ u8 buf[17];
/* read registers needed to detect remote controller code */
ret = af9015_read_regs(d, 0x98d9, buf, sizeof(buf));
if (ret)
goto error;
- if (buf[14] || buf[15]) {
+ /* If any of these are non-zero, assume invalid data */
+ if (buf[1] || buf[2] || buf[3])
+ return ret;
+
+ /* Check for repeat of previous code */
+ if ((priv->rc_repeat != buf[6] || buf[0]) &&
+ !memcmp(&buf[12], priv->rc_last, 4)) {
+ deb_rc("%s: key repeated\n", __func__);
+ rc_keydown(d->rc_dev, priv->rc_keycode, 0);
+ priv->rc_repeat = buf[6];
+ return ret;
+ }
+
+ /* Only process key if canary killed */
+ if (buf[16] != 0xff && buf[0] != 0x01) {
deb_rc("%s: key pressed %02x %02x %02x %02x\n", __func__,
buf[12], buf[13], buf[14], buf[15]);
- /* clean IR code from mem */
- ret = af9015_write_regs(d, 0x98e5, "\x00\x00\x00\x00", 4);
+ /* Reset the canary */
+ ret = af9015_write_reg(d, 0x98e9, 0xff);
if (ret)
goto error;
+ /* Remember this key */
+ memcpy(priv->rc_last, &buf[12], 4);
if (buf[14] == (u8) ~buf[15]) {
if (buf[12] == (u8) ~buf[13]) {
/* NEC */
@@ -1041,15 +1060,17 @@ static int af9015_rc_query(struct dvb_usb_device *d)
priv->rc_keycode = buf[12] << 16 |
buf[13] << 8 | buf[14];
}
- rc_keydown(d->rc_dev, priv->rc_keycode, 0);
} else {
- priv->rc_keycode = 0; /* clear just for sure */
+ /* 32 bit NEC */
+ priv->rc_keycode = buf[12] << 24 | buf[13] << 16 |
+ buf[14] << 8 | buf[15];
}
- } else if (priv->rc_repeat != buf[6] || buf[0]) {
- deb_rc("%s: key repeated\n", __func__);
rc_keydown(d->rc_dev, priv->rc_keycode, 0);
} else {
deb_rc("%s: no key press\n", __func__);
+ /* Invalidate last keypress */
+ /* Not really needed, but helps with debug */
+ priv->rc_last[2] = priv->rc_last[3];
}
priv->rc_repeat = buf[6];