Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / usb / line6 / podhd.c
diff --git a/kernel/sound/usb/line6/podhd.c b/kernel/sound/usb/line6/podhd.c
new file mode 100644 (file)
index 0000000..63dcaef
--- /dev/null
@@ -0,0 +1,192 @@
+/*
+ * Line 6 Pod HD
+ *
+ * Copyright (C) 2011 Stefan Hajnoczi <stefanha@gmail.com>
+ *
+ *     This program is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation, version 2.
+ *
+ */
+
+#include <linux/usb.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "driver.h"
+#include "pcm.h"
+
+enum {
+       LINE6_PODHD300,
+       LINE6_PODHD400,
+       LINE6_PODHD500_0,
+       LINE6_PODHD500_1,
+};
+
+#define PODHD_BYTES_PER_FRAME 6        /* 24bit audio (stereo) */
+
+static struct snd_ratden podhd_ratden = {
+       .num_min = 48000,
+       .num_max = 48000,
+       .num_step = 1,
+       .den = 1,
+};
+
+static struct line6_pcm_properties podhd_pcm_properties = {
+       .playback_hw = {
+                                 .info = (SNDRV_PCM_INFO_MMAP |
+                                          SNDRV_PCM_INFO_INTERLEAVED |
+                                          SNDRV_PCM_INFO_BLOCK_TRANSFER |
+                                          SNDRV_PCM_INFO_MMAP_VALID |
+                                          SNDRV_PCM_INFO_PAUSE |
+                                          SNDRV_PCM_INFO_SYNC_START),
+                                 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+                                 .rates = SNDRV_PCM_RATE_48000,
+                                 .rate_min = 48000,
+                                 .rate_max = 48000,
+                                 .channels_min = 2,
+                                 .channels_max = 2,
+                                 .buffer_bytes_max = 60000,
+                                 .period_bytes_min = 64,
+                                 .period_bytes_max = 8192,
+                                 .periods_min = 1,
+                                 .periods_max = 1024},
+       .capture_hw = {
+                                .info = (SNDRV_PCM_INFO_MMAP |
+                                         SNDRV_PCM_INFO_INTERLEAVED |
+                                         SNDRV_PCM_INFO_BLOCK_TRANSFER |
+                                         SNDRV_PCM_INFO_MMAP_VALID |
+                                         SNDRV_PCM_INFO_SYNC_START),
+                                .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+                                .rates = SNDRV_PCM_RATE_48000,
+                                .rate_min = 48000,
+                                .rate_max = 48000,
+                                .channels_min = 2,
+                                .channels_max = 2,
+                                .buffer_bytes_max = 60000,
+                                .period_bytes_min = 64,
+                                .period_bytes_max = 8192,
+                                .periods_min = 1,
+                                .periods_max = 1024},
+       .rates = {
+                           .nrats = 1,
+                           .rats = &podhd_ratden},
+       .bytes_per_frame = PODHD_BYTES_PER_FRAME
+};
+
+/*
+       Try to init POD HD device.
+*/
+static int podhd_init(struct usb_line6 *line6,
+                     const struct usb_device_id *id)
+{
+       int err;
+
+       /* initialize MIDI subsystem: */
+       err = line6_init_midi(line6);
+       if (err < 0)
+               return err;
+
+       /* initialize PCM subsystem: */
+       err = line6_init_pcm(line6, &podhd_pcm_properties);
+       if (err < 0)
+               return err;
+
+       /* register USB audio system: */
+       return snd_card_register(line6->card);
+}
+
+#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
+#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
+
+/* table of devices that work with this driver */
+static const struct usb_device_id podhd_id_table[] = {
+       { LINE6_DEVICE(0x5057),    .driver_info = LINE6_PODHD300 },
+       { LINE6_DEVICE(0x5058),    .driver_info = LINE6_PODHD400 },
+       { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 },
+       { LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 },
+       {}
+};
+
+MODULE_DEVICE_TABLE(usb, podhd_id_table);
+
+static const struct line6_properties podhd_properties_table[] = {
+       [LINE6_PODHD300] = {
+               .id = "PODHD300",
+               .name = "POD HD300",
+               .capabilities   = LINE6_CAP_CONTROL
+                               | LINE6_CAP_PCM
+                               | LINE6_CAP_HWMON,
+               .altsetting = 5,
+               .ep_ctrl_r = 0x84,
+               .ep_ctrl_w = 0x03,
+               .ep_audio_r = 0x82,
+               .ep_audio_w = 0x01,
+       },
+       [LINE6_PODHD400] = {
+               .id = "PODHD400",
+               .name = "POD HD400",
+               .capabilities   = LINE6_CAP_CONTROL
+                               | LINE6_CAP_PCM
+                               | LINE6_CAP_HWMON,
+               .altsetting = 5,
+               .ep_ctrl_r = 0x84,
+               .ep_ctrl_w = 0x03,
+               .ep_audio_r = 0x82,
+               .ep_audio_w = 0x01,
+       },
+       [LINE6_PODHD500_0] = {
+               .id = "PODHD500",
+               .name = "POD HD500",
+               .capabilities   = LINE6_CAP_CONTROL
+                               | LINE6_CAP_PCM
+                               | LINE6_CAP_HWMON,
+               .altsetting = 1,
+               .ep_ctrl_r = 0x81,
+               .ep_ctrl_w = 0x01,
+               .ep_audio_r = 0x86,
+               .ep_audio_w = 0x02,
+       },
+       [LINE6_PODHD500_1] = {
+               .id = "PODHD500",
+               .name = "POD HD500",
+               .capabilities   = LINE6_CAP_CONTROL
+                               | LINE6_CAP_PCM
+                               | LINE6_CAP_HWMON,
+               .altsetting = 1,
+               .ep_ctrl_r = 0x81,
+               .ep_ctrl_w = 0x01,
+               .ep_audio_r = 0x86,
+               .ep_audio_w = 0x02,
+       },
+};
+
+/*
+       Probe USB device.
+*/
+static int podhd_probe(struct usb_interface *interface,
+                      const struct usb_device_id *id)
+{
+       return line6_probe(interface, id, "Line6-PODHD",
+                          &podhd_properties_table[id->driver_info],
+                          podhd_init, sizeof(struct usb_line6));
+}
+
+static struct usb_driver podhd_driver = {
+       .name = KBUILD_MODNAME,
+       .probe = podhd_probe,
+       .disconnect = line6_disconnect,
+#ifdef CONFIG_PM
+       .suspend = line6_suspend,
+       .resume = line6_resume,
+       .reset_resume = line6_resume,
+#endif
+       .id_table = podhd_id_table,
+};
+
+module_usb_driver(podhd_driver);
+
+MODULE_DESCRIPTION("Line 6 PODHD USB driver");
+MODULE_LICENSE("GPL");