/* * Line 6 Linux USB driver * * 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. * */ #include #include #include #include #include #include #include "driver.h" #define VARIAX_STARTUP_DELAY1 1000 #define VARIAX_STARTUP_DELAY3 100 #define VARIAX_STARTUP_DELAY4 100 /* Stages of Variax startup procedure */ enum { VARIAX_STARTUP_INIT = 1, VARIAX_STARTUP_VERSIONREQ, VARIAX_STARTUP_WAIT, VARIAX_STARTUP_ACTIVATE, VARIAX_STARTUP_WORKQUEUE, VARIAX_STARTUP_SETUP, VARIAX_STARTUP_LAST = VARIAX_STARTUP_SETUP - 1 }; enum { LINE6_PODXTLIVE_VARIAX, LINE6_VARIAX }; struct usb_line6_variax { /* Generic Line 6 USB data */ struct usb_line6 line6; /* Buffer for activation code */ unsigned char *buffer_activate; /* Handler for device initialization */ struct work_struct startup_work; /* Timers for device initialization */ struct timer_list startup_timer1; struct timer_list startup_timer2; /* Current progress in startup procedure */ int startup_progress; }; #define VARIAX_OFFSET_ACTIVATE 7 /* This message is sent by the device during initialization and identifies the connected guitar version. */ static const char variax_init_version[] = { 0xf0, 0x7e, 0x7f, 0x06, 0x02, 0x00, 0x01, 0x0c, 0x07, 0x00, 0x00, 0x00 }; /* This message is the last one sent by the device during initialization. */ static const char variax_init_done[] = { 0xf0, 0x00, 0x01, 0x0c, 0x07, 0x00, 0x6b }; static const char variax_activate[] = { 0xf0, 0x00, 0x01, 0x0c, 0x07, 0x00, 0x2a, 0x01, 0xf7 }; /* forward declarations: */ static void variax_startup2(unsigned long data); static void variax_startup4(unsigned long data); static void variax_startup5(unsigned long data); static void variax_activate_async(struct usb_line6_variax *variax, int a) { variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = a; line6_send_raw_message_async(&variax->line6, variax->buffer_activate, sizeof(variax_activate)); } /* Variax startup procedure. This is a sequence of functions with special requirements (e.g., must not run immediately after initialization, must not run in interrupt context). After the last one has finished, the device is ready to use. */ static void variax_startup1(struct usb_line6_variax *variax) { CHECK_STARTUP_PROGRESS(variax->startup_progress, VARIAX_STARTUP_INIT); /* delay startup procedure: */ line6_start_timer(&variax->startup_timer1, VARIAX_STARTUP_DELAY1, variax_startup2, (unsigned long)variax); } static void variax_startup2(unsigned long data) { struct usb_line6_variax *variax = (struct usb_line6_variax *)data; struct usb_line6 *line6 = &variax->line6; /* schedule another startup procedure until startup is complete: */ if (variax->startup_progress >= VARIAX_STARTUP_LAST) return; variax->startup_progress = VARIAX_STARTUP_VERSIONREQ; line6_start_timer(&variax->startup_timer1, VARIAX_STARTUP_DELAY1, variax_startup2, (unsigned long)variax); /* request firmware version: */ line6_version_request_async(line6); } static void variax_startup3(struct usb_line6_variax *variax) { CHECK_STARTUP_PROGRESS(variax->startup_progress, VARIAX_STARTUP_WAIT); /* delay startup procedure: */ line6_start_timer(&variax->startup_timer2, VARIAX_STARTUP_DELAY3, variax_startup4, (unsigned long)variax); } static void variax_startup4(unsigned long data) { struct usb_line6_variax *variax = (struct usb_line6_variax *)data; CHECK_STARTUP_PROGRESS(variax->startup_progress, VARIAX_STARTUP_ACTIVATE); /* activate device: */ variax_activate_async(variax, 1); line6_start_timer(&variax->startup_timer2, VARIAX_STARTUP_DELAY4, variax_startup5, (unsigned long)variax); } static void variax_startup5(unsigned long data) { struct usb_line6_variax *variax = (struct usb_line6_variax *)data; CHECK_STARTUP_PROGRESS(variax->startup_progress, VARIAX_STARTUP_WORKQUEUE); /* schedule work for global work queue: */ schedule_work(&variax->startup_work); } static void variax_startup6(struct work_struct *work) { struct usb_line6_variax *variax = container_of(work, struct usb_line6_variax, startup_work); CHECK_STARTUP_PROGRESS(variax->startup_progress, VARIAX_STARTUP_SETUP); /* ALSA audio interface: */ snd_card_register(variax->line6.card); } /* Process a completely received message. */ static void line6_variax_process_message(struct usb_line6 *line6) { struct usb_line6_variax *variax = (struct usb_line6_variax *) line6; const unsigned char *buf = variax->line6.buffer_message; switch (buf[0]) { case LINE6_RESET: dev_info(variax->line6.ifcdev, "VARIAX reset\n"); break; case LINE6_SYSEX_BEGIN: if (memcmp(buf + 1, variax_init_version + 1, sizeof(variax_init_version) - 1) == 0) { variax_startup3(variax); } else if (memcmp(buf + 1, variax_init_done + 1, sizeof(variax_init_done) - 1) == 0) { /* notify of complete initialization: */ variax_startup4((unsigned long)variax); } break; } } /* Variax destructor. */ static void line6_variax_disconnect(struct usb_line6 *line6) { struct usb_line6_variax *variax = (struct usb_line6_variax *)line6; del_timer(&variax->startup_timer1); del_timer(&variax->startup_timer2); cancel_work_sync(&variax->startup_work); kfree(variax->buffer_activate); } /* Try to init workbench device. */ static int variax_init(struct usb_line6 *line6, const struct usb_device_id *id) { struct usb_line6_variax *variax = (struct usb_line6_variax *) line6; int err; line6->process_message = line6_variax_process_message; line6->disconnect = line6_variax_disconnect; init_timer(&variax->startup_timer1); init_timer(&variax->startup_timer2); INIT_WORK(&variax->startup_work, variax_startup6); /* initialize USB buffers: */ variax->buffer_activate = kmemdup(variax_activate, sizeof(variax_activate), GFP_KERNEL); if (variax->buffer_activate == NULL) return -ENOMEM; /* initialize MIDI subsystem: */ err = line6_init_midi(&variax->line6); if (err < 0) return err; /* initiate startup procedure: */ variax_startup1(variax); return 0; } #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 variax_id_table[] = { { LINE6_IF_NUM(0x4650, 1), .driver_info = LINE6_PODXTLIVE_VARIAX }, { LINE6_DEVICE(0x534d), .driver_info = LINE6_VARIAX }, {} }; MODULE_DEVICE_TABLE(usb, variax_id_table); static const struct line6_properties variax_properties_table[] = { [LINE6_PODXTLIVE_VARIAX] = { .id = "PODxtLive", .name = "PODxt Live", .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_MIDI, .altsetting = 1, .ep_ctrl_r = 0x86, .ep_ctrl_w = 0x05, .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, [LINE6_VARIAX] = { .id = "Variax", .name = "Variax Workbench", .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_MIDI, .altsetting = 1, .ep_ctrl_r = 0x82, .ep_ctrl_w = 0x01, /* no audio channel */ } }; /* Probe USB device. */ static int variax_probe(struct usb_interface *interface, const struct usb_device_id *id) { return line6_probe(interface, id, "Line6-Variax", &variax_properties_table[id->driver_info], variax_init, sizeof(struct usb_line6_variax)); } static struct usb_driver variax_driver = { .name = KBUILD_MODNAME, .probe = variax_probe, .disconnect = line6_disconnect, #ifdef CONFIG_PM .suspend = line6_suspend, .resume = line6_resume, .reset_resume = line6_resume, #endif .id_table = variax_id_table, }; module_usb_driver(variax_driver); MODULE_DESCRIPTION("Vairax Workbench USB driver"); MODULE_LICENSE("GPL"); dledford/rdma: (27 commits) RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled IB/rxe: Prevent from completer to operate on non valid QP IB/rxe: Fix rxe dev insertion to rxe_dev_list IB/umem: Release pid in error and ODP flow RDMA/qedr: Dispatch port active event from qedr_add RDMA/qedr: Fix and simplify memory leak in PD alloc RDMA/qedr: Fix RDMA CM loopback RDMA/qedr: Fix formatting RDMA/qedr: Mark three functions as static RDMA/qedr: Don't reset QP when queues aren't flushed RDMA/qedr: Don't spam dmesg if QP is in error state RDMA/qedr: Remove CQ spinlock from CM completion handlers RDMA/qedr: Return max inline data in QP query result RDMA/qedr: Return success when not changing QP state RDMA/qedr: Add uapi header qedr-abi.h RDMA/qedr: Fix MTU returned from QP query RDMA/core: Add the function ib_mtu_int_to_enum IB/vmw_pvrdma: Fix incorrect cleanup on pvrdma_pci_probe error path IB/vmw_pvrdma: Don't leak info from alloc_ucontext IB/cxgb3: fix misspelling in header guard ...
Diffstat (limited to 'sound/pci/au88x0/au8820.c')