| /* |
| * Line6 Linux USB driver - 0.9.0 |
| * |
| * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef DRIVER_H |
| #define DRIVER_H |
| |
| |
| #include <linux/spinlock.h> |
| #include <linux/usb.h> |
| #include <sound/core.h> |
| |
| #include "midi.h" |
| |
| |
| #define DRIVER_NAME "line6usb" |
| |
| #if defined(CONFIG_LINE6_USB_DUMP_CTRL) || defined(CONFIG_LINE6_USB_DUMP_MIDI) || defined(CONFIG_LINE6_USB_DUMP_PCM) |
| #define CONFIG_LINE6_USB_DUMP_ANY |
| #endif |
| |
| #define LINE6_TIMEOUT 1 |
| #define LINE6_MAX_DEVICES 8 |
| #define LINE6_BUFSIZE_LISTEN 32 |
| #define LINE6_MESSAGE_MAXLEN 256 |
| |
| /* |
| Line6 MIDI control commands |
| */ |
| #define LINE6_PARAM_CHANGE 0xb0 |
| #define LINE6_PROGRAM_CHANGE 0xc0 |
| #define LINE6_SYSEX_BEGIN 0xf0 |
| #define LINE6_SYSEX_END 0xf7 |
| #define LINE6_RESET 0xff |
| |
| /* |
| MIDI channel for messages initiated by the host |
| (and eventually echoed back by the device) |
| */ |
| #define LINE6_CHANNEL_HOST 0x00 |
| |
| /* |
| MIDI channel for messages initiated by the device |
| */ |
| #define LINE6_CHANNEL_DEVICE 0x02 |
| |
| #define LINE6_CHANNEL_UNKNOWN 5 /* don't know yet what this is good for */ |
| |
| #define LINE6_CHANNEL_MASK 0x0f |
| |
| #ifdef CONFIG_LINE6_USB_DEBUG |
| #define DEBUG_MESSAGES(x) (x) |
| #else |
| #define DEBUG_MESSAGES(x) |
| #endif |
| |
| |
| #define MISSING_CASE \ |
| printk(KERN_ERR "line6usb driver bug: missing case in %s:%d\n", \ |
| __FILE__, __LINE__) |
| |
| |
| #define CHECK_RETURN(x) \ |
| do { \ |
| err = x; \ |
| if (err < 0) \ |
| return err; \ |
| } while (0) |
| |
| #define CHECK_STARTUP_PROGRESS(x, n) \ |
| if((x) >= (n)) \ |
| return; \ |
| x = (n); |
| |
| |
| extern const unsigned char line6_midi_id[3]; |
| extern struct usb_line6 *line6_devices[LINE6_MAX_DEVICES]; |
| |
| static const int SYSEX_DATA_OFS = sizeof(line6_midi_id) + 3; |
| static const int SYSEX_EXTRA_SIZE = sizeof(line6_midi_id) + 4; |
| |
| |
| /** |
| Common properties of Line6 devices. |
| */ |
| struct line6_properties { |
| /** |
| Card id string (maximum 16 characters). |
| This can be used to address the device in ALSA programs as |
| "default:CARD=<id>" |
| */ |
| const char *id; |
| |
| /** |
| Card short name (maximum 32 characters). |
| */ |
| const char *name; |
| |
| /** |
| Bit identifying this device in the line6usb driver. |
| */ |
| int device_bit; |
| |
| /** |
| Bit vector defining this device's capabilities in the |
| line6usb driver. |
| */ |
| int capabilities; |
| }; |
| |
| /** |
| Common data shared by all Line6 devices. |
| Corresponds to a pair of USB endpoints. |
| */ |
| struct usb_line6 { |
| /** |
| USB device. |
| */ |
| struct usb_device *usbdev; |
| |
| /** |
| Product id. |
| */ |
| int product; |
| |
| /** |
| Properties. |
| */ |
| const struct line6_properties *properties; |
| |
| /** |
| Interface number. |
| */ |
| int interface_number; |
| |
| /** |
| Interval (ms). |
| */ |
| int interval; |
| |
| /** |
| Maximum size of USB packet. |
| */ |
| int max_packet_size; |
| |
| /** |
| Device representing the USB interface. |
| */ |
| struct device *ifcdev; |
| |
| /** |
| Line6 sound card data structure. |
| Each device has at least MIDI or PCM. |
| */ |
| struct snd_card *card; |
| |
| /** |
| Line6 PCM device data structure. |
| */ |
| struct snd_line6_pcm *line6pcm; |
| |
| /** |
| Line6 MIDI device data structure. |
| */ |
| 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; |
| |
| /** |
| Buffer for listening to PODxt Pro control endpoint. |
| */ |
| unsigned char *buffer_listen; |
| |
| /** |
| Buffer for message to be processed. |
| */ |
| unsigned char *buffer_message; |
| |
| /** |
| Length of message to be processed. |
| */ |
| int message_length; |
| }; |
| |
| |
| extern char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, |
| int code2, int size); |
| extern ssize_t line6_nop_read(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| extern ssize_t line6_nop_write(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count); |
| extern int line6_read_data(struct usb_line6 *line6, int address, void *data, |
| size_t datalen); |
| extern int line6_read_serial_number(struct usb_line6 *line6, |
| int *serial_number); |
| extern int line6_send_program(struct usb_line6 *line6, int value); |
| extern int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, |
| int size); |
| extern int line6_send_raw_message_async(struct usb_line6 *line6, |
| const char *buffer, int size); |
| extern int line6_send_sysex_message(struct usb_line6 *line6, |
| const char *buffer, int size); |
| extern int line6_send_sysex_message_async(struct usb_line6 *line6, |
| const char *buffer, int size); |
| extern ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count); |
| extern void line6_start_timer(struct timer_list *timer, unsigned int msecs, |
| void (*function)(unsigned long), unsigned long data); |
| extern int line6_transmit_parameter(struct usb_line6 *line6, int param, |
| int value); |
| extern int line6_version_request_async(struct usb_line6 *line6); |
| extern int line6_write_data(struct usb_line6 *line6, int address, void *data, |
| size_t datalen); |
| |
| #ifdef CONFIG_LINE6_USB_DUMP_ANY |
| extern void line6_write_hexdump(struct usb_line6 *line6, char dir, |
| const unsigned char *buffer, int size); |
| #endif |
| |
| |
| #endif |