X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fmedia%2Fdvb%2Fdvb-usb%2Fdib0700_core.c;h=4450214e2c6464f809ed1d70a64a27377bf9e886;hb=6a2071006b72bf887e38c025c60f98d2998ceacb;hp=db7f7f79a66ce5796998629fe63ab2e812f34124;hpb=d251499119e4e893cbf6f7aa134dc80bb9ddd73a;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/media/dvb/dvb-usb/dib0700_core.c b/drivers/media/dvb/dvb-usb/dib0700_core.c
index db7f7f7..4450214 100644
--- a/drivers/media/dvb/dvb-usb/dib0700_core.c
+++ b/drivers/media/dvb/dvb-usb/dib0700_core.c
@@ -17,6 +17,14 @@ int dvb_usb_dib0700_ir_proto = 1;
 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);
 
 
@@ -28,10 +36,14 @@ int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion,
 				  REQUEST_GET_VERSION,
 				  USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 				  b, sizeof(b), USB_CTRL_GET_TIMEOUT);
-	*hwversion  = (b[0] << 24)  | (b[1] << 16)  | (b[2] << 8)  | b[3];
-	*romversion = (b[4] << 24)  | (b[5] << 16)  | (b[6] << 8)  | b[7];
-	*ramversion = (b[8] << 24)  | (b[9] << 16)  | (b[10] << 8) | b[11];
-	*fwtype     = (b[12] << 24) | (b[13] << 16) | (b[14] << 8) | b[15];
+	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;
 }
 
@@ -97,6 +109,27 @@ int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_
 	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)
  */
@@ -328,7 +361,9 @@ static int dib0700_jumpram(struct usb_device *udev, u32 address)
 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];
 
@@ -364,6 +399,34 @@ int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw
 	} 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;
 }
 
@@ -371,6 +434,18 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 {
 	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 */
@@ -396,14 +471,208 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 	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;
 }
 
@@ -415,9 +684,21 @@ static int dib0700_probe(struct usb_interface *intf,
 
 	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;
 		}