mirror of
https://github.com/physwizz/a155-U-u1.git
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560 lines
15 KiB
C
560 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Line 6 Pod HD
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*
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* Copyright (C) 2011 Stefan Hajnoczi <stefanha@gmail.com>
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* Copyright (C) 2015 Andrej Krutak <dev@andree.sk>
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* Copyright (C) 2017 Hans P. Moller <hmoller@uc.cl>
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*/
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#include <linux/usb.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include "driver.h"
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#include "pcm.h"
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#define PODHD_STARTUP_DELAY 500
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enum {
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LINE6_PODHD300,
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LINE6_PODHD400,
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LINE6_PODHD500,
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LINE6_PODX3,
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LINE6_PODX3LIVE,
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LINE6_PODHD500X,
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LINE6_PODHDDESKTOP
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};
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struct usb_line6_podhd {
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/* Generic Line 6 USB data */
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struct usb_line6 line6;
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/* Serial number of device */
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u32 serial_number;
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/* Firmware version */
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int firmware_version;
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/* Monitor level */
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int monitor_level;
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};
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#define line6_to_podhd(x) container_of(x, struct usb_line6_podhd, line6)
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static const struct snd_ratden podhd_ratden = {
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.num_min = 48000,
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.num_max = 48000,
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.num_step = 1,
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.den = 1,
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};
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static struct line6_pcm_properties podhd_pcm_properties = {
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.playback_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.capture_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.rates = {
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.nrats = 1,
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.rats = &podhd_ratden},
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.bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */
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};
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static struct line6_pcm_properties podx3_pcm_properties = {
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.playback_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.capture_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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/* 1+2: Main signal (out), 3+4: Tone 1,
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* 5+6: Tone 2, 7+8: raw
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*/
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.channels_min = 8,
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.channels_max = 8,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.rates = {
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.nrats = 1,
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.rats = &podhd_ratden},
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.bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */
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};
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static struct usb_driver podhd_driver;
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static ssize_t serial_number_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct snd_card *card = dev_to_snd_card(dev);
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struct usb_line6_podhd *pod = card->private_data;
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return sprintf(buf, "%u\n", pod->serial_number);
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}
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static ssize_t firmware_version_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct snd_card *card = dev_to_snd_card(dev);
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struct usb_line6_podhd *pod = card->private_data;
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return sprintf(buf, "%06x\n", pod->firmware_version);
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}
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static DEVICE_ATTR_RO(firmware_version);
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static DEVICE_ATTR_RO(serial_number);
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static struct attribute *podhd_dev_attrs[] = {
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&dev_attr_firmware_version.attr,
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&dev_attr_serial_number.attr,
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NULL
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};
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static const struct attribute_group podhd_dev_attr_group = {
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.name = "podhd",
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.attrs = podhd_dev_attrs,
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};
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/*
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* POD X3 startup procedure.
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*
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* May be compatible with other POD HD's, since it's also similar to the
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* previous POD setup. In any case, it doesn't seem to be required for the
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* audio nor bulk interfaces to work.
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*/
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static int podhd_dev_start(struct usb_line6_podhd *pod)
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{
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int ret;
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u8 init_bytes[8];
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int i;
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struct usb_device *usbdev = pod->line6.usbdev;
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ret = usb_control_msg_send(usbdev, 0,
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0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
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0x11, 0,
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NULL, 0, LINE6_TIMEOUT, GFP_KERNEL);
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if (ret) {
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dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
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goto exit;
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}
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/* NOTE: looks like some kind of ping message */
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ret = usb_control_msg_recv(usbdev, 0, 0x67,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
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0x11, 0x0,
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init_bytes, 3, LINE6_TIMEOUT, GFP_KERNEL);
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if (ret) {
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dev_err(pod->line6.ifcdev,
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"receive length failed (error %d)\n", ret);
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goto exit;
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}
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pod->firmware_version =
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(init_bytes[0] << 16) | (init_bytes[1] << 8) | (init_bytes[2] << 0);
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for (i = 0; i <= 16; i++) {
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ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
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if (ret < 0)
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goto exit;
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}
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ret = usb_control_msg_send(usbdev, 0,
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USB_REQ_SET_FEATURE,
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USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
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1, 0,
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NULL, 0, LINE6_TIMEOUT, GFP_KERNEL);
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exit:
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return ret;
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}
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static void podhd_startup(struct usb_line6 *line6)
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{
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struct usb_line6_podhd *pod = line6_to_podhd(line6);
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podhd_dev_start(pod);
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line6_read_serial_number(&pod->line6, &pod->serial_number);
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if (snd_card_register(line6->card))
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dev_err(line6->ifcdev, "Failed to register POD HD card.\n");
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}
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static void podhd_disconnect(struct usb_line6 *line6)
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{
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struct usb_line6_podhd *pod = line6_to_podhd(line6);
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if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
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struct usb_interface *intf;
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intf = usb_ifnum_to_if(line6->usbdev,
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pod->line6.properties->ctrl_if);
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if (intf)
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usb_driver_release_interface(&podhd_driver, intf);
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}
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}
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static const unsigned int float_zero_to_one_lookup[] = {
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0x00000000, 0x3c23d70a, 0x3ca3d70a, 0x3cf5c28f, 0x3d23d70a, 0x3d4ccccd,
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0x3d75c28f, 0x3d8f5c29, 0x3da3d70a, 0x3db851ec, 0x3dcccccd, 0x3de147ae,
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0x3df5c28f, 0x3e051eb8, 0x3e0f5c29, 0x3e19999a, 0x3e23d70a, 0x3e2e147b,
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0x3e3851ec, 0x3e428f5c, 0x3e4ccccd, 0x3e570a3d, 0x3e6147ae, 0x3e6b851f,
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0x3e75c28f, 0x3e800000, 0x3e851eb8, 0x3e8a3d71, 0x3e8f5c29, 0x3e947ae1,
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0x3e99999a, 0x3e9eb852, 0x3ea3d70a, 0x3ea8f5c3, 0x3eae147b, 0x3eb33333,
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0x3eb851ec, 0x3ebd70a4, 0x3ec28f5c, 0x3ec7ae14, 0x3ecccccd, 0x3ed1eb85,
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0x3ed70a3d, 0x3edc28f6, 0x3ee147ae, 0x3ee66666, 0x3eeb851f, 0x3ef0a3d7,
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0x3ef5c28f, 0x3efae148, 0x3f000000, 0x3f028f5c, 0x3f051eb8, 0x3f07ae14,
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0x3f0a3d71, 0x3f0ccccd, 0x3f0f5c29, 0x3f11eb85, 0x3f147ae1, 0x3f170a3d,
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0x3f19999a, 0x3f1c28f6, 0x3f1eb852, 0x3f2147ae, 0x3f23d70a, 0x3f266666,
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0x3f28f5c3, 0x3f2b851f, 0x3f2e147b, 0x3f30a3d7, 0x3f333333, 0x3f35c28f,
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0x3f3851ec, 0x3f3ae148, 0x3f3d70a4, 0x3f400000, 0x3f428f5c, 0x3f451eb8,
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0x3f47ae14, 0x3f4a3d71, 0x3f4ccccd, 0x3f4f5c29, 0x3f51eb85, 0x3f547ae1,
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0x3f570a3d, 0x3f59999a, 0x3f5c28f6, 0x3f5eb852, 0x3f6147ae, 0x3f63d70a,
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0x3f666666, 0x3f68f5c3, 0x3f6b851f, 0x3f6e147b, 0x3f70a3d7, 0x3f733333,
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0x3f75c28f, 0x3f7851ec, 0x3f7ae148, 0x3f7d70a4, 0x3f800000
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};
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static void podhd_set_monitor_level(struct usb_line6_podhd *podhd, int value)
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{
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unsigned int fl;
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static const unsigned char msg[16] = {
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/* Chunk is 0xc bytes (without first word) */
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0x0c, 0x00,
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/* First chunk in the message */
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0x01, 0x00,
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/* Message size is 2 4-byte words */
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0x02, 0x00,
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/* Unknown */
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0x04, 0x41,
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/* Unknown */
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0x04, 0x00, 0x13, 0x00,
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/* Volume, LE float32, 0.0 - 1.0 */
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0x00, 0x00, 0x00, 0x00
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};
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unsigned char *buf;
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buf = kmemdup(msg, sizeof(msg), GFP_KERNEL);
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if (!buf)
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return;
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if (value < 0)
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value = 0;
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if (value >= ARRAY_SIZE(float_zero_to_one_lookup))
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value = ARRAY_SIZE(float_zero_to_one_lookup) - 1;
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fl = float_zero_to_one_lookup[value];
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buf[12] = (fl >> 0) & 0xff;
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buf[13] = (fl >> 8) & 0xff;
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buf[14] = (fl >> 16) & 0xff;
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buf[15] = (fl >> 24) & 0xff;
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line6_send_raw_message(&podhd->line6, buf, sizeof(msg));
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kfree(buf);
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podhd->monitor_level = value;
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}
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/* control info callback */
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static int snd_podhd_control_monitor_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 100;
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uinfo->value.integer.step = 1;
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return 0;
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}
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/* control get callback */
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static int snd_podhd_control_monitor_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
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ucontrol->value.integer.value[0] = podhd->monitor_level;
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return 0;
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}
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/* control put callback */
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static int snd_podhd_control_monitor_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
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if (ucontrol->value.integer.value[0] == podhd->monitor_level)
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return 0;
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podhd_set_monitor_level(podhd, ucontrol->value.integer.value[0]);
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return 1;
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}
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/* control definition */
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static const struct snd_kcontrol_new podhd_control_monitor = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Monitor Playback Volume",
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.index = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = snd_podhd_control_monitor_info,
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.get = snd_podhd_control_monitor_get,
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.put = snd_podhd_control_monitor_put
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};
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/*
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Try to init POD HD device.
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*/
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static int podhd_init(struct usb_line6 *line6,
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const struct usb_device_id *id)
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{
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int err;
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struct usb_line6_podhd *pod = line6_to_podhd(line6);
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struct usb_interface *intf;
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line6->disconnect = podhd_disconnect;
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line6->startup = podhd_startup;
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if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
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/* claim the data interface */
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intf = usb_ifnum_to_if(line6->usbdev,
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pod->line6.properties->ctrl_if);
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if (!intf) {
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dev_err(pod->line6.ifcdev, "interface %d not found\n",
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pod->line6.properties->ctrl_if);
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return -ENODEV;
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}
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err = usb_driver_claim_interface(&podhd_driver, intf, NULL);
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if (err != 0) {
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dev_err(pod->line6.ifcdev, "can't claim interface %d, error %d\n",
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pod->line6.properties->ctrl_if, err);
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return err;
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}
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}
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if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
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/* create sysfs entries: */
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err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group);
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if (err < 0)
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return err;
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}
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if (pod->line6.properties->capabilities & LINE6_CAP_PCM) {
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/* initialize PCM subsystem: */
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err = line6_init_pcm(line6,
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(id->driver_info == LINE6_PODX3 ||
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id->driver_info == LINE6_PODX3LIVE) ? &podx3_pcm_properties :
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&podhd_pcm_properties);
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if (err < 0)
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return err;
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}
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if (pod->line6.properties->capabilities & LINE6_CAP_HWMON_CTL) {
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podhd_set_monitor_level(pod, 100);
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err = snd_ctl_add(line6->card,
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snd_ctl_new1(&podhd_control_monitor,
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line6->line6pcm));
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if (err < 0)
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return err;
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}
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if (!(pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO)) {
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/* register USB audio system directly */
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return snd_card_register(line6->card);
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}
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/* init device and delay registering */
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schedule_delayed_work(&line6->startup_work,
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msecs_to_jiffies(PODHD_STARTUP_DELAY));
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return 0;
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}
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#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
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#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
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/* table of devices that work with this driver */
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static const struct usb_device_id podhd_id_table[] = {
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/* TODO: no need to alloc data interfaces when only audio is used */
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{ LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 },
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{ LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 },
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{ LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500 },
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{ LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 },
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{ LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE },
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{ LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X },
|
|
{ LINE6_IF_NUM(0x4156, 0), .driver_info = LINE6_PODHDDESKTOP },
|
|
{}
|
|
};
|
|
|
|
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_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_PCM
|
|
| LINE6_CAP_HWMON,
|
|
.altsetting = 5,
|
|
.ep_ctrl_r = 0x84,
|
|
.ep_ctrl_w = 0x03,
|
|
.ep_audio_r = 0x82,
|
|
.ep_audio_w = 0x01,
|
|
},
|
|
[LINE6_PODHD500] = {
|
|
.id = "PODHD500",
|
|
.name = "POD HD500",
|
|
.capabilities = LINE6_CAP_PCM | LINE6_CAP_CONTROL
|
|
| LINE6_CAP_HWMON | LINE6_CAP_HWMON_CTL,
|
|
.altsetting = 1,
|
|
.ctrl_if = 1,
|
|
.ep_ctrl_r = 0x81,
|
|
.ep_ctrl_w = 0x01,
|
|
.ep_audio_r = 0x86,
|
|
.ep_audio_w = 0x02,
|
|
},
|
|
[LINE6_PODX3] = {
|
|
.id = "PODX3",
|
|
.name = "POD X3",
|
|
.capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
|
|
.altsetting = 1,
|
|
.ep_ctrl_r = 0x81,
|
|
.ep_ctrl_w = 0x01,
|
|
.ctrl_if = 1,
|
|
.ep_audio_r = 0x86,
|
|
.ep_audio_w = 0x02,
|
|
},
|
|
[LINE6_PODX3LIVE] = {
|
|
.id = "PODX3LIVE",
|
|
.name = "POD X3 LIVE",
|
|
.capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
|
|
.altsetting = 1,
|
|
.ep_ctrl_r = 0x81,
|
|
.ep_ctrl_w = 0x01,
|
|
.ctrl_if = 1,
|
|
.ep_audio_r = 0x86,
|
|
.ep_audio_w = 0x02,
|
|
},
|
|
[LINE6_PODHD500X] = {
|
|
.id = "PODHD500X",
|
|
.name = "POD HD500X",
|
|
.capabilities = LINE6_CAP_CONTROL
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON,
|
|
.altsetting = 1,
|
|
.ep_ctrl_r = 0x81,
|
|
.ep_ctrl_w = 0x01,
|
|
.ctrl_if = 1,
|
|
.ep_audio_r = 0x86,
|
|
.ep_audio_w = 0x02,
|
|
},
|
|
[LINE6_PODHDDESKTOP] = {
|
|
.id = "PODHDDESKTOP",
|
|
.name = "POD HDDESKTOP",
|
|
.capabilities = LINE6_CAP_CONTROL
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON,
|
|
.altsetting = 1,
|
|
.ep_ctrl_r = 0x81,
|
|
.ep_ctrl_w = 0x01,
|
|
.ctrl_if = 1,
|
|
.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_podhd));
|
|
}
|
|
|
|
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");
|