[PATCH 18/25] staging: line6: Move control endpoints to properties
From: Chris Rorvick
Date: Sat Jan 10 2015 - 00:38:50 EST
The device type can now be used to determine the addresses of the
control endpoints for the interface. Drop the conditional logic and
make these values properties.
Signed-off-by: Chris Rorvick <chris@xxxxxxxxxxx>
---
drivers/staging/line6/driver.c | 73 +++++++++++++++++++++++++-----------------
drivers/staging/line6/driver.h | 13 ++------
drivers/staging/line6/midi.c | 2 +-
3 files changed, 48 insertions(+), 40 deletions(-)
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
index 0150470..40ec57c 100644
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -68,6 +68,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 5,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_BASSPODXTLIVE] = {
.id = "BassPODxtLive",
@@ -76,6 +78,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 1,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_BASSPODXTPRO] = {
.id = "BassPODxtPro",
@@ -84,18 +88,23 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 5,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_GUITARPORT] = {
.id = "GuitarPort",
.name = "GuitarPort",
.capabilities = LINE6_CAP_PCM,
.altsetting = 2, /* 1..4 seem to be ok */
+ /* no control channel */
},
[LINE6_POCKETPOD] = {
.id = "PocketPOD",
.name = "Pocket POD",
.capabilities = LINE6_CAP_CONTROL,
.altsetting = 0,
+ .ep_ctrl_r = 0x82,
+ .ep_ctrl_w = 0x02,
},
[LINE6_PODHD300] = {
.id = "PODHD300",
@@ -104,6 +113,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 5,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_PODHD400] = {
.id = "PODHD400",
@@ -112,6 +123,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 5,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_PODHD500_0] = {
.id = "PODHD500",
@@ -120,6 +133,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 1,
+ .ep_ctrl_r = 0x81,
+ .ep_ctrl_w = 0x01,
},
[LINE6_PODHD500_1] = {
.id = "PODHD500",
@@ -128,24 +143,29 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 1,
+ .ep_ctrl_r = 0x81,
+ .ep_ctrl_w = 0x01,
},
[LINE6_PODSTUDIO_GX] = {
.id = "PODStudioGX",
.name = "POD Studio GX",
.capabilities = LINE6_CAP_PCM,
.altsetting = 2, /* 1..4 seem to be ok */
+ /* no control channel */
},
[LINE6_PODSTUDIO_UX1] = {
.id = "PODStudioUX1",
.name = "POD Studio UX1",
.capabilities = LINE6_CAP_PCM,
.altsetting = 2, /* 1..4 seem to be ok */
+ /* no control channel */
},
[LINE6_PODSTUDIO_UX2] = {
.id = "PODStudioUX2",
.name = "POD Studio UX2",
.capabilities = LINE6_CAP_PCM,
.altsetting = 2, /* defaults to 44.1kHz, 16-bit */
+ /* no control channel */
},
[LINE6_PODXT] = {
.id = "PODxt",
@@ -154,6 +174,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 5,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_PODXTLIVE_POD] = {
.id = "PODxtLive",
@@ -162,6 +184,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 1,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_PODXTLIVE_VARIAX] = {
.id = "PODxtLive",
@@ -170,6 +194,8 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 1,
+ .ep_ctrl_r = 0x86,
+ .ep_ctrl_w = 0x05,
},
[LINE6_PODXTPRO] = {
.id = "PODxtPro",
@@ -178,30 +204,37 @@ static const struct line6_properties line6_properties_table[] = {
| LINE6_CAP_PCM
| LINE6_CAP_HWMON,
.altsetting = 5,
+ .ep_ctrl_r = 0x84,
+ .ep_ctrl_w = 0x03,
},
[LINE6_TONEPORT_GX] = {
.id = "TonePortGX",
.name = "TonePort GX",
.capabilities = LINE6_CAP_PCM,
.altsetting = 2, /* 1..4 seem to be ok */
+ /* no control channel */
},
[LINE6_TONEPORT_UX1] = {
.id = "TonePortUX1",
.name = "TonePort UX1",
.capabilities = LINE6_CAP_PCM,
.altsetting = 2, /* 1..4 seem to be ok */
+ /* no control channel */
},
[LINE6_TONEPORT_UX2] = {
.id = "TonePortUX2",
.name = "TonePort UX2",
.capabilities = LINE6_CAP_PCM,
.altsetting = 2, /* defaults to 44.1kHz, 16-bit */
+ /* no control channel */
},
[LINE6_VARIAX] = {
.id = "Variax",
.name = "Variax Workbench",
.capabilities = LINE6_CAP_CONTROL,
.altsetting = 1,
+ .ep_ctrl_r = 0x82,
+ .ep_ctrl_w = 0x01,
}
};
@@ -245,9 +278,9 @@ static int line6_start_listen(struct usb_line6 *line6)
int err;
usb_fill_int_urb(line6->urb_listen, line6->usbdev,
- usb_rcvintpipe(line6->usbdev, line6->ep_control_read),
- line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
- line6_data_received, line6, line6->interval);
+ usb_rcvintpipe(line6->usbdev, line6->properties->ep_ctrl_r),
+ line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
+ line6_data_received, line6, line6->interval);
line6->urb_listen->actual_length = 0;
err = usb_submit_urb(line6->urb_listen, GFP_ATOMIC);
return err;
@@ -277,7 +310,7 @@ int line6_send_raw_message(struct usb_line6 *line6, const char *buffer,
retval = usb_interrupt_msg(line6->usbdev,
usb_sndintpipe(line6->usbdev,
- line6->ep_control_write),
+ line6->properties->ep_ctrl_w),
(char *)frag_buf, frag_size,
&partial, LINE6_TIMEOUT * HZ);
@@ -319,9 +352,9 @@ static int line6_send_raw_message_async_part(struct message *msg,
int bytes = min(msg->size - done, line6->max_packet_size);
usb_fill_int_urb(urb, line6->usbdev,
- usb_sndintpipe(line6->usbdev, line6->ep_control_write),
- (char *)msg->buffer + done, bytes,
- line6_async_request_sent, msg, line6->interval);
+ usb_sndintpipe(line6->usbdev, line6->properties->ep_ctrl_w),
+ (char *)msg->buffer + done, bytes,
+ line6_async_request_sent, msg, line6->interval);
msg->done += bytes;
retval = usb_submit_urb(urb, GFP_ATOMIC);
@@ -525,7 +558,7 @@ int line6_send_program(struct usb_line6 *line6, u8 value)
retval = usb_interrupt_msg(line6->usbdev,
usb_sndintpipe(line6->usbdev,
- line6->ep_control_write),
+ line6->properties->ep_ctrl_w),
buffer, 2, &partial, LINE6_TIMEOUT * HZ);
if (retval)
@@ -555,7 +588,7 @@ int line6_transmit_parameter(struct usb_line6 *line6, int param, u8 value)
retval = usb_interrupt_msg(line6->usbdev,
usb_sndintpipe(line6->usbdev,
- line6->ep_control_write),
+ line6->properties->ep_ctrl_w),
buffer, 3, &partial, LINE6_TIMEOUT * HZ);
if (retval)
@@ -725,7 +758,6 @@ static int line6_probe(struct usb_interface *interface,
const struct line6_properties *properties;
int interface_number;
int size = 0;
- int ep_read = 0, ep_write = 0;
int ret;
if (interface == NULL)
@@ -764,28 +796,20 @@ static int line6_probe(struct usb_interface *interface,
case LINE6_PODXT:
case LINE6_PODXTPRO:
size = sizeof(struct usb_line6_pod);
- ep_read = 0x84;
- ep_write = 0x03;
break;
case LINE6_PODHD300:
case LINE6_PODHD400:
size = sizeof(struct usb_line6_podhd);
- ep_read = 0x84;
- ep_write = 0x03;
break;
case LINE6_PODHD500_0:
case LINE6_PODHD500_1:
size = sizeof(struct usb_line6_podhd);
- ep_read = 0x81;
- ep_write = 0x01;
break;
case LINE6_POCKETPOD:
size = sizeof(struct usb_line6_pod);
- ep_read = 0x82;
- ep_write = 0x02;
break;
case LINE6_PODSTUDIO_GX:
@@ -796,25 +820,18 @@ static int line6_probe(struct usb_interface *interface,
case LINE6_TONEPORT_UX2:
case LINE6_GUITARPORT:
size = sizeof(struct usb_line6_toneport);
- /* these don't have a control channel */
break;
case LINE6_PODXTLIVE_POD:
size = sizeof(struct usb_line6_pod);
- ep_read = 0x84;
- ep_write = 0x03;
break;
case LINE6_PODXTLIVE_VARIAX:
size = sizeof(struct usb_line6_variax);
- ep_read = 0x86;
- ep_write = 0x05;
break;
case LINE6_VARIAX:
size = sizeof(struct usb_line6_variax);
- ep_read = 0x82;
- ep_write = 0x01;
break;
default:
@@ -840,15 +857,13 @@ static int line6_probe(struct usb_interface *interface,
line6->properties = properties;
line6->usbdev = usbdev;
line6->ifcdev = &interface->dev;
- line6->ep_control_read = ep_read;
- line6->ep_control_write = ep_write;
line6->type = devtype;
/* get data from endpoint descriptor (see usb_maxpacket): */
{
struct usb_host_endpoint *ep;
- unsigned epnum =
- usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read));
+ unsigned pipe = usb_rcvintpipe(usbdev, properties->ep_ctrl_r);
+ unsigned epnum = usb_pipeendpoint(pipe);
ep = usbdev->ep_in[epnum];
if (ep != NULL) {
diff --git a/drivers/staging/line6/driver.h b/drivers/staging/line6/driver.h
index 97d6be1..a0555f4 100644
--- a/drivers/staging/line6/driver.h
+++ b/drivers/staging/line6/driver.h
@@ -117,6 +117,9 @@ struct line6_properties {
int capabilities;
int altsetting;
+
+ unsigned ep_ctrl_r;
+ unsigned ep_ctrl_w;
};
/**
@@ -171,16 +174,6 @@ struct usb_line6 {
struct snd_line6_midi *line6midi;
/**
- USB endpoint for listening to control commands.
- */
- int ep_control_read;
-
- /**
- USB endpoint for writing control commands.
- */
- int ep_control_write;
-
- /**
URB for listening to PODxt Pro control endpoint.
*/
struct urb *urb_listen;
diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c
index c453485..c9d725a 100644
--- a/drivers/staging/line6/midi.c
+++ b/drivers/staging/line6/midi.c
@@ -136,7 +136,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
usb_fill_int_urb(urb, line6->usbdev,
usb_sndbulkpipe(line6->usbdev,
- line6->ep_control_write),
+ line6->properties->ep_ctrl_w),
transfer_buffer, length, midi_sent, line6,
line6->interval);
urb->actual_length = 0;
--
2.1.0
--
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