module_param(dvb_usb_dib0700_ir_proto, int, 0644);
MODULE_PARM_DESC(dvb_usb_dib0700_ir_proto, "set ir protocol (0=NEC, 1=RC5 (default), 2=RC6).");
+static int nb_packet_buffer_size = 21;
+module_param(nb_packet_buffer_size, int, 0644);
+MODULE_PARM_DESC(nb_packet_buffer_size,
+ "Set the dib0700 driver data buffer size. This parameter "
+ "corresponds to the number of TS packets. The actual size of "
+ "the data buffer corresponds to this parameter "
+ "multiplied by 188 (default: 21)");
+
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion,
+ u32 *romversion, u32 *ramversion, u32 *fwtype)
+{
+ u8 b[16];
+ int ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
+ REQUEST_GET_VERSION,
+ USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
+ b, sizeof(b), USB_CTRL_GET_TIMEOUT);
+ if (hwversion != NULL)
+ *hwversion = (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];
+ if (romversion != NULL)
+ *romversion = (b[4] << 24) | (b[5] << 16) | (b[6] << 8) | b[7];
+ if (ramversion != NULL)
+ *ramversion = (b[8] << 24) | (b[9] << 16) | (b[10] << 8) | b[11];
+ if (fwtype != NULL)
+ *fwtype = (b[12] << 24) | (b[13] << 16) | (b[14] << 8) | b[15];
+ return ret;
+}
+
/* expecting rx buffer: request data[0] data[1] ... data[2] */
static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen)
{
return dib0700_ctrl_wr(d,buf,3);
}
+static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets)
+{
+ struct dib0700_state *st = d->priv;
+ u8 b[3];
+ int ret;
+
+ if (st->fw_version >= 0x10201) {
+ b[0] = REQUEST_SET_USB_XFER_LEN;
+ b[1] = (nb_ts_packets >> 8)&0xff;
+ b[2] = nb_ts_packets & 0xff;
+
+ deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets);
+
+ ret = dib0700_ctrl_wr(d, b, 3);
+ } else {
+ deb_info("this firmware does not allow to change the USB xfer len\n");
+ ret = -EIO;
+ }
+ return ret;
+}
+
/*
* I2C master xfer function (supported in 1.20 firmware)
*/
err("i2c read error (status = %d)\n", result);
break;
}
+
+ deb_data("<<< ");
+ debug_dump(msg[i].buf, msg[i].len, deb_data);
+
} else {
/* Write request */
buf[0] = REQUEST_NEW_I2C_WRITE;
/* The Actual i2c payload */
memcpy(&buf[4], msg[i].buf, msg[i].len);
+ deb_data(">>> ");
+ debug_dump(buf, msg[i].len + 4, deb_data);
+
result = usb_control_msg(d->udev,
usb_sndctrlpipe(d->udev, 0),
REQUEST_NEW_I2C_WRITE,
/* special thing in the current firmware: when length is zero the read-failed */
if ((len = dib0700_ctrl_rd(d, buf, msg[i].len + 2, msg[i+1].buf, msg[i+1].len)) <= 0) {
- deb_info("I2C read failed on address %x\n", msg[i].addr);
+ deb_info("I2C read failed on address 0x%02x\n",
+ msg[i].addr);
break;
}
int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw)
{
struct hexline hx;
- int pos = 0, ret, act_len;
+ int pos = 0, ret, act_len, i, adap_num;
+ u8 b[16];
+ u32 fw_version;
u8 buf[260];
} else
ret = -EIO;
+ /* the number of ts packet has to be at least 1 */
+ if (nb_packet_buffer_size < 1)
+ nb_packet_buffer_size = 1;
+
+ /* get the fimware version */
+ usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ REQUEST_GET_VERSION,
+ USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
+ b, sizeof(b), USB_CTRL_GET_TIMEOUT);
+ fw_version = (b[8] << 24) | (b[9] << 16) | (b[10] << 8) | b[11];
+
+ /* set the buffer size - DVB-USB is allocating URB buffers
+ * only after the firwmare download was successful */
+ for (i = 0; i < dib0700_device_count; i++) {
+ for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters;
+ adap_num++) {
+ if (fw_version >= 0x10201)
+ dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 188*nb_packet_buffer_size;
+ else {
+ /* for fw version older than 1.20.1,
+ * the buffersize has to be n times 512 */
+ dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512;
+ if (dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize < 512)
+ dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 512;
+ }
+ }
+ }
+
return ret;
}
{
struct dib0700_state *st = adap->dev->priv;
u8 b[4];
+ int ret;
+
+ if ((onoff != 0) && (st->fw_version >= 0x10201)) {
+ /* for firmware later than 1.20.1,
+ * the USB xfer length can be set */
+ ret = dib0700_set_usb_xfer_len(adap->dev,
+ st->nb_packet_buffer_size);
+ if (ret < 0) {
+ deb_info("can not set the USB xfer len\n");
+ return ret;
+ }
+ }
b[0] = REQUEST_ENABLE_VIDEO;
b[1] = (onoff << 4) | 0x00; /* this bit gives a kind of command, rather than enabling something or not */
return dib0700_ctrl_wr(adap->dev, b, 4);
}
+/* Number of keypresses to ignore before start repeating */
+#define RC_REPEAT_DELAY_V1_20 10
+
+/* This is the structure of the RC response packet starting in firmware 1.20 */
+struct dib0700_rc_response {
+ u8 report_id;
+ u8 data_state;
+ u16 system;
+ u8 data;
+ u8 not_data;
+};
+#define RC_MSG_SIZE_V1_20 6
+
+static void dib0700_rc_urb_completion(struct urb *purb)
+{
+ struct dvb_usb_device *d = purb->context;
+ struct dvb_usb_rc_key *keymap;
+ struct dib0700_state *st;
+ struct dib0700_rc_response poll_reply;
+ u8 *buf;
+ int found = 0;
+ u32 event;
+ int state;
+ int i;
+
+ deb_info("%s()\n", __func__);
+ if (d == NULL)
+ return;
+
+ if (d->rc_input_dev == NULL) {
+ /* This will occur if disable_rc_polling=1 */
+ usb_free_urb(purb);
+ return;
+ }
+
+ keymap = d->props.rc_key_map;
+ st = d->priv;
+ buf = (u8 *)purb->transfer_buffer;
+
+ if (purb->status < 0) {
+ deb_info("discontinuing polling\n");
+ usb_free_urb(purb);
+ return;
+ }
+
+ if (purb->actual_length != RC_MSG_SIZE_V1_20) {
+ deb_info("malformed rc msg size=%d\n", purb->actual_length);
+ goto resubmit;
+ }
+
+ /* Set initial results in case we exit the function early */
+ event = 0;
+ state = REMOTE_NO_KEY_PRESSED;
+
+ deb_data("IR raw %02X %02X %02X %02X %02X %02X (len %d)\n", buf[0],
+ buf[1], buf[2], buf[3], buf[4], buf[5], purb->actual_length);
+
+ switch (dvb_usb_dib0700_ir_proto) {
+ case 0:
+ /* NEC Protocol */
+ poll_reply.report_id = 0;
+ poll_reply.data_state = 1;
+ poll_reply.system = buf[2];
+ poll_reply.data = buf[4];
+ poll_reply.not_data = buf[5];
+
+ /* NEC protocol sends repeat code as 0 0 0 FF */
+ if ((poll_reply.system == 0x00) && (poll_reply.data == 0x00)
+ && (poll_reply.not_data == 0xff)) {
+ poll_reply.data_state = 2;
+ break;
+ }
+ break;
+ default:
+ /* RC5 Protocol */
+ poll_reply.report_id = buf[0];
+ poll_reply.data_state = buf[1];
+ poll_reply.system = (buf[2] << 8) | buf[3];
+ poll_reply.data = buf[4];
+ poll_reply.not_data = buf[5];
+ break;
+ }
+
+ if ((poll_reply.data + poll_reply.not_data) != 0xff) {
+ /* Key failed integrity check */
+ err("key failed integrity check: %04x %02x %02x",
+ poll_reply.system,
+ poll_reply.data, poll_reply.not_data);
+ goto resubmit;
+ }
+
+ deb_data("rid=%02x ds=%02x sm=%04x d=%02x nd=%02x\n",
+ poll_reply.report_id, poll_reply.data_state,
+ poll_reply.system, poll_reply.data, poll_reply.not_data);
+
+ /* Find the key in the map */
+ for (i = 0; i < d->props.rc_key_map_size; i++) {
+ if (rc5_custom(&keymap[i]) == (poll_reply.system & 0xff) &&
+ rc5_data(&keymap[i]) == poll_reply.data) {
+ event = keymap[i].event;
+ found = 1;
+ break;
+ }
+ }
+
+ if (found == 0) {
+ err("Unknown remote controller key: %04x %02x %02x",
+ poll_reply.system, poll_reply.data, poll_reply.not_data);
+ d->last_event = 0;
+ goto resubmit;
+ }
+
+ if (poll_reply.data_state == 1) {
+ /* New key hit */
+ st->rc_counter = 0;
+ event = keymap[i].event;
+ state = REMOTE_KEY_PRESSED;
+ d->last_event = keymap[i].event;
+ } else if (poll_reply.data_state == 2) {
+ /* Key repeated */
+ st->rc_counter++;
+
+ /* prevents unwanted double hits */
+ if (st->rc_counter > RC_REPEAT_DELAY_V1_20) {
+ event = d->last_event;
+ state = REMOTE_KEY_PRESSED;
+ st->rc_counter = RC_REPEAT_DELAY_V1_20;
+ }
+ } else {
+ err("Unknown data state [%d]", poll_reply.data_state);
+ }
+
+ switch (state) {
+ case REMOTE_NO_KEY_PRESSED:
+ break;
+ case REMOTE_KEY_PRESSED:
+ deb_info("key pressed\n");
+ d->last_event = event;
+ case REMOTE_KEY_REPEAT:
+ deb_info("key repeated\n");
+ input_event(d->rc_input_dev, EV_KEY, event, 1);
+ input_event(d->rc_input_dev, EV_KEY, d->last_event, 0);
+ input_sync(d->rc_input_dev);
+ break;
+ default:
+ break;
+ }
+
+resubmit:
+ /* Clean the buffer before we requeue */
+ memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20);
+
+ /* Requeue URB */
+ usb_submit_urb(purb, GFP_ATOMIC);
+}
+
int dib0700_rc_setup(struct dvb_usb_device *d)
{
+ struct dib0700_state *st = d->priv;
u8 rc_setup[3] = {REQUEST_SET_RC, dvb_usb_dib0700_ir_proto, 0};
- int i = dib0700_ctrl_wr(d, rc_setup, 3);
+ struct urb *purb;
+ int ret;
+ int i;
+
+ if (d->props.rc_key_map == NULL)
+ return 0;
+
+ /* Set the IR mode */
+ i = dib0700_ctrl_wr(d, rc_setup, 3);
if (i<0) {
err("ir protocol setup failed");
return -1;
}
+
+ if (st->fw_version < 0x10200)
+ return 0;
+
+ /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
+ purb = usb_alloc_urb(0, GFP_KERNEL);
+ if (purb == NULL) {
+ err("rc usb alloc urb failed\n");
+ return -1;
+ }
+
+ purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL);
+ if (purb->transfer_buffer == NULL) {
+ err("rc kzalloc failed\n");
+ usb_free_urb(purb);
+ return -1;
+ }
+
+ purb->status = -EINPROGRESS;
+ usb_fill_bulk_urb(purb, d->udev, usb_rcvbulkpipe(d->udev, 1),
+ purb->transfer_buffer, RC_MSG_SIZE_V1_20,
+ dib0700_rc_urb_completion, d);
+
+ ret = usb_submit_urb(purb, GFP_ATOMIC);
+ if (ret != 0) {
+ err("rc submit urb failed\n");
+ return -1;
+ }
+
return 0;
}
for (i = 0; i < dib0700_device_count; i++)
if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE,
- &dev, adapter_nr) == 0)
- {
+ &dev, adapter_nr) == 0) {
+ struct dib0700_state *st = dev->priv;
+ u32 hwversion, romversion, fw_version, fwtype;
+
+ dib0700_get_version(dev, &hwversion, &romversion,
+ &fw_version, &fwtype);
+
+ deb_info("Firmware version: %x, %d, 0x%x, %d\n",
+ hwversion, romversion, fw_version, fwtype);
+
+ st->fw_version = fw_version;
+ st->nb_packet_buffer_size = (u32)nb_packet_buffer_size;
+
dib0700_rc_setup(dev);
+
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff