From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrej Krutak Subject: [PATCH v4 06/12] ALSA: line6: Distinguish device init (ctrl EP) and MIDI data transfer (int EP) Date: Sun, 18 Sep 2016 20:59:26 +0200 Message-ID: <1474225172-32081-7-git-send-email-dev@andree.sk> References: <1470942147-19848-1-git-send-email-dev@andree.sk> <1474225172-32081-1-git-send-email-dev@andree.sk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wm0-f65.google.com (mail-wm0-f65.google.com [74.125.82.65]) by alsa0.perex.cz (Postfix) with ESMTP id 970272614A0 for ; Sun, 18 Sep 2016 21:00:51 +0200 (CEST) Received: by mail-wm0-f65.google.com with SMTP id b184so11711208wma.3 for ; Sun, 18 Sep 2016 12:00:51 -0700 (PDT) In-Reply-To: <1474225172-32081-1-git-send-email-dev@andree.sk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: tiwai@suse.com, perex@perex.cz, stefanha@gmail.com, grabner@icg.tugraz.at, alsa-devel@alsa-project.org Cc: Andrej Krutak List-Id: alsa-devel@alsa-project.org POD X3 can initialize similarly to older PODs, but it doesn't have the MIDI interface. Instead, configuration is done via proprietary bulk EP messages. Signed-off-by: Andrej Krutak --- sound/usb/line6/driver.c | 72 ++++++++++++++++++++++++++++++++++-------------- sound/usb/line6/driver.h | 6 ++-- sound/usb/line6/pod.c | 9 +++++- sound/usb/line6/variax.c | 6 ++-- 4 files changed, 68 insertions(+), 25 deletions(-) diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index 14032d9..9b16777 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -66,10 +66,17 @@ 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->properties->ep_ctrl_r), - line6->buffer_listen, LINE6_BUFSIZE_LISTEN, - line6_data_received, line6, line6->interval); + if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) { + usb_fill_int_urb(line6->urb_listen, line6->usbdev, + usb_rcvintpipe(line6->usbdev, line6->properties->ep_ctrl_r), + line6->buffer_listen, LINE6_BUFSIZE_LISTEN, + line6_data_received, line6, line6->interval); + } else { + usb_fill_bulk_urb(line6->urb_listen, line6->usbdev, + usb_rcvbulkpipe(line6->usbdev, line6->properties->ep_ctrl_r), + line6->buffer_listen, LINE6_BUFSIZE_LISTEN, + line6_data_received, line6); + } line6->urb_listen->actual_length = 0; err = usb_submit_urb(line6->urb_listen, GFP_ATOMIC); return err; @@ -90,6 +97,7 @@ static int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, int size) { int i, done = 0; + const struct line6_properties *properties = line6->properties; for (i = 0; i < size; i += line6->max_packet_size) { int partial; @@ -97,15 +105,21 @@ static int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, int frag_size = min(line6->max_packet_size, size - i); int retval; - retval = usb_interrupt_msg(line6->usbdev, - usb_sndintpipe(line6->usbdev, - line6->properties->ep_ctrl_w), - (char *)frag_buf, frag_size, - &partial, LINE6_TIMEOUT * HZ); + if (properties->capabilities & LINE6_CAP_CONTROL_MIDI) { + retval = usb_interrupt_msg(line6->usbdev, + usb_sndintpipe(line6->usbdev, properties->ep_ctrl_w), + (char *)frag_buf, frag_size, + &partial, LINE6_TIMEOUT * HZ); + } else { + retval = usb_bulk_msg(line6->usbdev, + usb_sndbulkpipe(line6->usbdev, properties->ep_ctrl_w), + (char *)frag_buf, frag_size, + &partial, LINE6_TIMEOUT * HZ); + } if (retval) { dev_err(line6->ifcdev, - "usb_interrupt_msg failed (%d)\n", retval); + "usb_bulk_msg failed (%d)\n", retval); break; } @@ -140,10 +154,17 @@ static int line6_send_raw_message_async_part(struct message *msg, int done = msg->done; int bytes = min(msg->size - done, line6->max_packet_size); - usb_fill_int_urb(urb, line6->usbdev, - usb_sndintpipe(line6->usbdev, line6->properties->ep_ctrl_w), - (char *)msg->buffer + done, bytes, - line6_async_request_sent, msg, line6->interval); + if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) { + usb_fill_int_urb(urb, line6->usbdev, + usb_sndintpipe(line6->usbdev, line6->properties->ep_ctrl_w), + (char *)msg->buffer + done, bytes, + line6_async_request_sent, msg, line6->interval); + } else { + usb_fill_bulk_urb(urb, line6->usbdev, + usb_sndbulkpipe(line6->usbdev, line6->properties->ep_ctrl_w), + (char *)msg->buffer + done, bytes, + line6_async_request_sent, msg); + } msg->done += bytes; retval = usb_submit_urb(urb, GFP_ATOMIC); @@ -462,7 +483,18 @@ static void line6_destruct(struct snd_card *card) static void line6_get_interval(struct usb_line6 *line6) { struct usb_device *usbdev = line6->usbdev; - struct usb_host_endpoint *ep = usbdev->ep_in[line6->properties->ep_ctrl_r]; + const struct line6_properties *properties = line6->properties; + int pipe; + struct usb_host_endpoint *ep; + + if (properties->capabilities & LINE6_CAP_CONTROL_MIDI) { + pipe = + usb_rcvintpipe(line6->usbdev, line6->properties->ep_ctrl_r); + } else { + pipe = + usb_rcvbulkpipe(line6->usbdev, line6->properties->ep_ctrl_r); + } + ep = usbdev->ep_in[usb_pipeendpoint(pipe)]; if (ep) { line6->interval = ep->desc.bInterval; @@ -483,7 +515,7 @@ static void line6_get_interval(struct usb_line6 *line6) } } -static int line6_init_cap_control(struct usb_line6 *line6) +static int line6_init_cap_control_midi(struct usb_line6 *line6) { int ret; @@ -573,8 +605,8 @@ int line6_probe(struct usb_interface *interface, line6_get_interval(line6); - if (properties->capabilities & LINE6_CAP_CONTROL) { - ret = line6_init_cap_control(line6); + if (properties->capabilities & LINE6_CAP_CONTROL_MIDI) { + ret = line6_init_cap_control_midi(line6); if (ret < 0) goto error; } @@ -644,7 +676,7 @@ int line6_suspend(struct usb_interface *interface, pm_message_t message) snd_power_change_state(line6->card, SNDRV_CTL_POWER_D3hot); - if (line6->properties->capabilities & LINE6_CAP_CONTROL) + if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) line6_stop_listen(line6); if (line6pcm != NULL) { @@ -663,7 +695,7 @@ int line6_resume(struct usb_interface *interface) { struct usb_line6 *line6 = usb_get_intfdata(interface); - if (line6->properties->capabilities & LINE6_CAP_CONTROL) + if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) line6_start_listen(line6); snd_power_change_state(line6->card, SNDRV_CTL_POWER_D0); diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h index 0bcab38..d48c7d2 100644 --- a/sound/usb/line6/driver.h +++ b/sound/usb/line6/driver.h @@ -104,6 +104,8 @@ enum { LINE6_CAP_HWMON = 1 << 2, /* device requires output data when input is read */ LINE6_CAP_IN_NEEDS_OUT = 1 << 3, + /* device uses raw MIDI via USB (data endpoints) */ + LINE6_CAP_CONTROL_MIDI = 1 << 4, }; /* @@ -142,10 +144,10 @@ struct usb_line6 { /* Line 6 MIDI device data structure */ struct snd_line6_midi *line6midi; - /* URB for listening to PODxt Pro control endpoint */ + /* URB for listening to POD data endpoint */ struct urb *urb_listen; - /* Buffer for listening to PODxt Pro control endpoint */ + /* Buffer for listening to POD data endpoint */ unsigned char *buffer_listen; /* Buffer for message to be processed */ diff --git a/sound/usb/line6/pod.c b/sound/usb/line6/pod.c index 36e7274..17aa616 100644 --- a/sound/usb/line6/pod.c +++ b/sound/usb/line6/pod.c @@ -475,6 +475,7 @@ static const struct line6_properties pod_properties_table[] = { .id = "BassPODxt", .name = "BassPODxt", .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 5, @@ -487,6 +488,7 @@ static const struct line6_properties pod_properties_table[] = { .id = "BassPODxtLive", .name = "BassPODxt Live", .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 1, @@ -499,6 +501,7 @@ static const struct line6_properties pod_properties_table[] = { .id = "BassPODxtPro", .name = "BassPODxt Pro", .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 5, @@ -510,7 +513,8 @@ static const struct line6_properties pod_properties_table[] = { [LINE6_POCKETPOD] = { .id = "PocketPOD", .name = "Pocket POD", - .capabilities = LINE6_CAP_CONTROL, + .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI, .altsetting = 0, .ep_ctrl_r = 0x82, .ep_ctrl_w = 0x02, @@ -520,6 +524,7 @@ static const struct line6_properties pod_properties_table[] = { .id = "PODxt", .name = "PODxt", .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 5, @@ -532,6 +537,7 @@ static const struct line6_properties pod_properties_table[] = { .id = "PODxtLive", .name = "PODxt Live", .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 1, @@ -544,6 +550,7 @@ static const struct line6_properties pod_properties_table[] = { .id = "PODxtPro", .name = "PODxt Pro", .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 5, diff --git a/sound/usb/line6/variax.c b/sound/usb/line6/variax.c index ddc23dd..0c4512d 100644 --- a/sound/usb/line6/variax.c +++ b/sound/usb/line6/variax.c @@ -259,7 +259,8 @@ static const struct line6_properties variax_properties_table[] = { [LINE6_PODXTLIVE_VARIAX] = { .id = "PODxtLive", .name = "PODxt Live", - .capabilities = LINE6_CAP_CONTROL, + .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI, .altsetting = 1, .ep_ctrl_r = 0x86, .ep_ctrl_w = 0x05, @@ -269,7 +270,8 @@ static const struct line6_properties variax_properties_table[] = { [LINE6_VARIAX] = { .id = "Variax", .name = "Variax Workbench", - .capabilities = LINE6_CAP_CONTROL, + .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_CONTROL_MIDI, .altsetting = 1, .ep_ctrl_r = 0x82, .ep_ctrl_w = 0x01, -- 1.9.1