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|
/*
* Razer device access library
*
* Copyright (C) 2007-2011 Michael Buesch <m@bues.ch>
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "librazer.h"
#include "razer_private.h"
#include "config.h"
#include "profile_emulation.h"
#include "hw_deathadder.h"
#include "hw_deathadder2013.h"
#include "hw_deathadder_chroma.h"
#include "hw_naga.h"
#include "hw_krait.h"
#include "hw_lachesis.h"
#include "hw_lachesis5k6.h"
#include "hw_copperhead.h"
#include "hw_boomslangce.h"
#include "hw_imperator.h"
#include "hw_taipan.h"
#include "hw_mamba_tournament_edition.h"
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/ioctl.h>
enum razer_devtype {
RAZER_DEVTYPE_MOUSE,
};
/** struct razer_mouse_base_ops - Basic device-init operations
*
* @type: The type ID.
*
* @init: Initialize the device and its private data structures.
*
* @release: Release device and data structures.
*/
struct razer_mouse_base_ops {
enum razer_mouse_type type;
int (*init)(struct razer_mouse *m, struct libusb_device *udev);
void (*release)(struct razer_mouse *m);
};
struct razer_usb_device {
uint16_t vendor; /* Vendor ID */
uint16_t product; /* Product ID */
enum razer_devtype type;
union {
const struct razer_mouse_base_ops *mouse_ops;
} u;
};
static const struct razer_mouse_base_ops razer_deathadder_base_ops = {
.type = RAZER_MOUSETYPE_DEATHADDER,
.init = razer_deathadder_init,
.release = razer_deathadder_release,
};
static const struct razer_mouse_base_ops razer_deathadder2013_base_ops = {
.type = RAZER_MOUSETYPE_DEATHADDER,
.init = razer_deathadder2013_init,
.release = razer_deathadder2013_release,
};
static const struct razer_mouse_base_ops razer_deathadder_chroma_base_ops = {
.type = RAZER_MOUSETYPE_DEATHADDER,
.init = razer_deathadder_chroma_init,
.release = razer_deathadder_chroma_release,
};
static const struct razer_mouse_base_ops razer_naga_base_ops = {
.type = RAZER_MOUSETYPE_NAGA,
.init = razer_naga_init,
.release = razer_naga_release,
};
static const struct razer_mouse_base_ops razer_krait_base_ops = {
.type = RAZER_MOUSETYPE_KRAIT,
.init = razer_krait_init,
.release = razer_krait_release,
};
static const struct razer_mouse_base_ops razer_lachesis_base_ops = {
.type = RAZER_MOUSETYPE_LACHESIS,
.init = razer_lachesis_init,
.release = razer_lachesis_release,
};
static const struct razer_mouse_base_ops razer_lachesis5k6_base_ops = {
.type = RAZER_MOUSETYPE_LACHESIS,
.init = razer_lachesis5k6_init,
.release = razer_lachesis5k6_release,
};
static const struct razer_mouse_base_ops razer_copperhead_base_ops = {
.type = RAZER_MOUSETYPE_COPPERHEAD,
.init = razer_copperhead_init,
.release = razer_copperhead_release,
};
static const struct razer_mouse_base_ops razer_boomslangce_base_ops = {
.type = RAZER_MOUSETYPE_BOOMSLANGCE,
.init = razer_boomslangce_init,
.release = razer_boomslangce_release,
};
static const struct razer_mouse_base_ops razer_imperator_base_ops = {
.type = RAZER_MOUSETYPE_IMPERATOR,
.init = razer_imperator_init,
.release = razer_imperator_release,
};
static const struct razer_mouse_base_ops razer_taipan_base_ops = {
.type = RAZER_MOUSETYPE_TAIPAN,
.init = razer_taipan_init,
.release = razer_taipan_release,
};
static const struct razer_mouse_base_ops razer_mamba_te_base_ops = {
.type = RAZER_MOUSETYPE_MAMBA_TE,
.init = razer_mamba_te_init,
.release = razer_mamba_te_release,
};
#define USBVENDOR_ANY 0xFFFF
#define USBPRODUCT_ANY 0xFFFF
#define USB_MOUSE(_vendor, _product, _mouse_ops) \
{ .vendor = _vendor, .product = _product, \
.type = RAZER_DEVTYPE_MOUSE, \
.u = { .mouse_ops = _mouse_ops, }, }
/* Table of supported USB devices. */
static const struct razer_usb_device razer_usbdev_table[] = {
USB_MOUSE(0x1532, 0x0007, &razer_deathadder_base_ops), /* classic */
USB_MOUSE(0x1532, 0x0016, &razer_deathadder_base_ops), /* 3500 DPI */
USB_MOUSE(0x1532, 0x0029, &razer_deathadder_base_ops), /* black edition */
USB_MOUSE(0x1532, 0x0037, &razer_deathadder2013_base_ops), /* 2013 edition */
USB_MOUSE(0x1532, 0x0043, &razer_deathadder_chroma_base_ops), /* Chroma edition */
// USB_MOUSE(0x04B4, 0xE006, &razer_deathadder_base_ops), /* cypress bootloader */
USB_MOUSE(0x1532, 0x0003, &razer_krait_base_ops),
USB_MOUSE(0x1532, 0x000C, &razer_lachesis_base_ops), /* classic */
USB_MOUSE(0x1532, 0x001E, &razer_lachesis5k6_base_ops), /* 5600 DPI */
USB_MOUSE(0x1532, RAZER_NAGA_PID_CLASSIC, &razer_naga_base_ops),
USB_MOUSE(0x1532, RAZER_NAGA_PID_EPIC, &razer_naga_base_ops),
USB_MOUSE(0x1532, RAZER_NAGA_PID_2012, &razer_naga_base_ops),
USB_MOUSE(0x1532, RAZER_NAGA_PID_HEX, &razer_naga_base_ops),
USB_MOUSE(0x1532, RAZER_NAGA_PID_2014, &razer_naga_base_ops),
USB_MOUSE(0x1532, RAZER_NAGA_PID_HEX_2014, &razer_naga_base_ops),
USB_MOUSE(0x1532, 0x0101, &razer_copperhead_base_ops),
USB_MOUSE(0x1532, 0x0005, &razer_boomslangce_base_ops),
USB_MOUSE(0x1532, 0x0017, &razer_imperator_base_ops),
USB_MOUSE(0x1532, 0x0034, &razer_taipan_base_ops),
USB_MOUSE(0x1532, 0x0046, &razer_mamba_te_base_ops), /*mamba tournament edition*/
{ 0, }, /* List end */
};
#undef USB_MOUSE
static struct libusb_context *libusb_ctx;
static struct razer_mouse *mice_list = NULL;
/* We currently only have one handler. */
static razer_event_handler_t event_handler;
static struct config_file *razer_config_file = NULL;
static bool profile_emu_enabled;
razer_logfunc_t razer_logfunc_info;
razer_logfunc_t razer_logfunc_error;
razer_logfunc_t razer_logfunc_debug;
static inline bool razer_initialized(void)
{
return !!libusb_ctx;
}
int razer_register_event_handler(razer_event_handler_t handler)
{
if (event_handler)
return -EEXIST;
event_handler = handler;
return 0;
}
void razer_unregister_event_handler(razer_event_handler_t handler)
{
event_handler = NULL;
}
static void razer_notify_event(enum razer_event type,
const struct razer_event_data *data)
{
if (event_handler)
event_handler(type, data);
}
static int match_usbdev(const struct libusb_device_descriptor *desc,
const struct razer_usb_device *id)
{
if ((desc->idVendor != id->vendor) &&
(id->vendor != USBVENDOR_ANY))
return 0;
if ((desc->idProduct != id->product) &&
(id->product != USBPRODUCT_ANY))
return 0;
return 1;
}
static const struct razer_usb_device * usbdev_lookup(const struct libusb_device_descriptor *desc)
{
const struct razer_usb_device *id = &(razer_usbdev_table[0]);
while (id->vendor || id->product) {
if (match_usbdev(desc, id))
return id;
id++;
}
return NULL;
}
static void mouse_list_add(struct razer_mouse **base, struct razer_mouse *new_entry)
{
struct razer_mouse *i;
new_entry->next = NULL;
if (!(*base)) {
*base = new_entry;
return;
}
for (i = *base; i->next; i = i->next)
;
i->next = new_entry;
}
static void mouse_list_del(struct razer_mouse **base, struct razer_mouse *del_entry)
{
struct razer_mouse *i;
if (del_entry == *base) {
*base = (*base)->next;
return;
}
for (i = *base; i && (i->next != del_entry); i = i->next)
;
if (i)
i->next = del_entry->next;
}
static struct razer_mouse * mouse_list_find(struct razer_mouse *base,
struct libusb_device *udev)
{
struct razer_mouse *m, *next;
uint8_t busnr = libusb_get_bus_number(udev);
uint8_t devaddr = libusb_get_device_address(udev);
razer_for_each_mouse(m, next, base) {
if (m->usb_ctx) {
if (libusb_get_bus_number(m->usb_ctx->dev) == busnr &&
libusb_get_device_address(m->usb_ctx->dev) == devaddr)
return m;
}
}
return NULL;
}
static int parse_idstr(char *idstr, char **devtype, char **devname,
char **buspos, char **devid)
{
*devtype = idstr;
*devname = razer_strsplit(*devtype, ':');
*buspos = razer_strsplit(*devname, ':');
*devid = razer_strsplit(*buspos, ':');
if (!*devtype || !*devname || !*buspos || !*devid)
return -EINVAL;
return 0;
}
static bool simple_globcmp(const char *string,
const char *template)
{
char s, t, tnext;
while (1) {
s = string[0];
t = template[0];
if (s == '\0' && t == '\0')
break;
if (t == '*') {
tnext = template[1];
if (s == '\0') {
if (tnext == '\0')
break;
return 0;
}
if (s == tnext) {
template++;
continue;
}
} else {
if (s == '\0' || t == '\0')
return 0;
if (s != t)
return 0;
template++;
}
string++;
}
return 1; /* Match */
}
static bool mouse_idstr_glob_match(struct config_file *f,
void *context, void *data,
const char *section)
{
struct razer_mouse *m = context;
const char **matched_section = data;
char idstr[RAZER_IDSTR_MAX_SIZE + 1] = { 0, };
char *idstr_devtype, *idstr_devname, *idstr_buspos, *idstr_devid;
char globstr[RAZER_IDSTR_MAX_SIZE + 1] = { 0, };
char *globstr_devtype, *globstr_devname, *globstr_buspos, *globstr_devid;
if (strlen(section) > RAZER_IDSTR_MAX_SIZE) {
razer_error("globbed idstr \"%s\" in config too long\n",
section);
return 1;
}
strcpy(globstr, section);
strcpy(idstr, m->idstr);
if (parse_idstr(globstr, &globstr_devtype, &globstr_devname,
&globstr_buspos, &globstr_devid))
return 1;
if (parse_idstr(idstr, &idstr_devtype, &idstr_devname,
&idstr_buspos, &idstr_devid)) {
razer_error("INTERNAL-ERROR: Failed to parse idstr \"%s\"\n",
idstr);
return 1;
}
if (!simple_globcmp(idstr_devtype, globstr_devtype))
return 1;
if (!simple_globcmp(idstr_devname, globstr_devname))
return 1;
if (!simple_globcmp(idstr_buspos, globstr_buspos))
return 1;
if (!simple_globcmp(idstr_devid, globstr_devid))
return 1;
*matched_section = section;
return 0; /* Match */
}
static struct razer_mouse_profile * find_prof(struct razer_mouse *m, unsigned int nr)
{
struct razer_mouse_profile *list;
unsigned int i;
if (!m->get_profiles)
return NULL;
list = m->get_profiles(m);
if (!list)
return NULL;
for (i = 0; i < m->nr_profiles; i++) {
if (list[i].nr == nr)
return &list[i];
}
return NULL;
}
static int parse_int_int_pair(const char *str, int *val0, int *val1)
{
char a[64] = { 0, }, b[64] = { 0, };
int err;
*val0 = *val1 = -1;
err = razer_split_tuple(str, ':', min(sizeof(a), sizeof(b)),
a, b, NULL);
if (err) {
/* It's not a pair. Interpret it as one value. */
razer_strlcpy(a, str, sizeof(a));
err = razer_string_to_int(razer_string_strip(a), val1);
if (err)
return -EINVAL;
return 1;
}
err = razer_string_to_int(razer_string_strip(a), val0);
err |= razer_string_to_int(razer_string_strip(b), val1);
if (err)
return -EINVAL;
return 0;
}
static bool mouse_apply_one_config(struct config_file *f,
void *context, void *data,
const char *section,
const char *item,
const char *value)
{
struct razer_mouse *m = context;
struct razer_mouse_profile *prof;
bool *error_status = data;
int err, nr;
static const size_t tmplen = 128;
char a[tmplen], b[tmplen], c[tmplen];
//FIXME fixes for glob/prof configs
if (strcasecmp(item, "profile") == 0) {
int profile;
err = razer_string_to_int(value, &profile);
if (err || profile < 1 || (unsigned int)profile > m->nr_profiles)
goto error;
if (m->set_active_profile) {
prof = find_prof(m, profile - 1);
if (!prof)
goto error;
err = m->set_active_profile(m, prof);
if (err)
goto error;
}
} else if (strcasecmp(item, "res") == 0) {
int profile, resolution, i;
struct razer_mouse_dpimapping *mappings;
err = parse_int_int_pair(value, &profile, &resolution);
if (err == 1) {
prof = m->get_active_profile(m);
profile = prof->nr + 1;
} else if (err)
goto error;
if (profile < 1 || resolution < 1)
goto error;
prof = find_prof(m, profile - 1);
if (!prof)
goto error;
nr = m->supported_dpimappings(m, &mappings);
if (nr <= 0)
goto error;
//FIXME dims
for (i = 0; i < nr; i++) {
if (resolution >= 100) {
if ((int)(mappings[i].res[RAZER_DIM_0]) != resolution)
continue;
} else {
if (mappings[i].nr != (unsigned int)resolution)
continue;
}
err = prof->set_dpimapping(prof, NULL, &mappings[i]);
if (err)
goto error;
goto ok;
}
goto invalid; /* res is invalid. Ignore it. */
} else if (strcasecmp(item, "freq") == 0) {
int profile, freq, i;
enum razer_mouse_freq *freqs;
err = parse_int_int_pair(value, &profile, &freq);
if (err == 1) {
prof = m->get_active_profile(m);
profile = prof->nr + 1;
} else if (err)
goto error;
if (profile < 1 || freq < 1)
goto error;
prof = find_prof(m, profile - 1);
if (!prof)
goto error;
nr = m->supported_freqs(m, &freqs);
if (nr <= 0)
goto error;
for (i = 0; i < nr; i++) {
if (freqs[i] != (enum razer_mouse_freq)freq)
continue;
if (!prof->set_freq)
goto invalid;
err = prof->set_freq(prof, freqs[i]);
razer_free_freq_list(freqs, nr);
if (err)
goto error;
goto ok;
}
razer_free_freq_list(freqs, nr);
goto error;
} else if (strcasecmp(item, "led") == 0) {
bool on;
struct razer_led *leds, *led;
const char *ledname, *ledstate;
int profile;
err = razer_split_tuple(value, ':', tmplen, a, b, c, NULL);
if (err && err != -ENODATA)
goto error;
if (!strlen(a) || !strlen(b))
goto error;
if (strlen(c)) {
/* A profile was specified */
err = razer_string_to_int(razer_string_strip(a), &profile);
if (err || profile < 1)
goto error;
prof = find_prof(m, profile - 1);
if (!prof)
goto error;
ledname = razer_string_strip(b);
ledstate = razer_string_strip(c);
} else {
/* Modify global LEDs */
prof = NULL;
ledname = razer_string_strip(a);
ledstate = razer_string_strip(b);
}
err = razer_string_to_bool(ledstate, &on);
if (err)
goto error;
if (prof) {
if (prof->get_leds) {
err = prof->get_leds(prof, &leds);
} else {
/* Try to fall back to global */
if (!m->global_get_leds)
goto ok; /* No LEDs. Ignore config. */
err = m->global_get_leds(m, &leds);
}
} else {
if (!m->global_get_leds)
goto ok; /* No LEDs. Ignore config. */
err = m->global_get_leds(m, &leds);
}
if (err < 0)
goto error;
if (err == 0)
goto ok; /* No LEDs. Ignore config. */
for (led = leds; led; led = led->next) {
if (strcasecmp(led->name, ledname) != 0)
continue;
if (!led->toggle_state) {
razer_free_leds(leds);
goto invalid;
}
err = led->toggle_state(led,
on ? RAZER_LED_ON : RAZER_LED_OFF);
razer_free_leds(leds);
if (err)
goto error;
goto ok;
}
razer_free_leds(leds);
goto error;
} else if (strcasecmp(item, "mode") == 0) {
enum razer_led_mode mode;
struct razer_led *leds, *led;
const char *ledname, *ledmode;
int profile;
err = razer_split_tuple(value, ':', tmplen, a, b, c, NULL);
if (err && err != -ENODATA)
goto error;
if (!strlen(a) || !strlen(b))
goto error;
if (strlen(c)) {
/* A profile was specified */
err = razer_string_to_int(razer_string_strip(a), &profile);
if (err || profile < 1)
goto error;
prof = find_prof(m, profile - 1);
if (!prof)
goto error;
ledname = razer_string_strip(b);
ledmode = razer_string_strip(c);
} else {
/* Modify global LEDs */
prof = NULL;
ledname = razer_string_strip(a);
ledmode = razer_string_strip(b);
}
err = razer_string_to_mode(ledmode, &mode);
if (err)
goto error;
if (prof) {
if (prof->get_leds) {
err = prof->get_leds(prof, &leds);
} else {
/* Try to fall back to global */
if (!m->global_get_leds)
goto ok; /* No LEDs. Ignore config. */
err = m->global_get_leds(m, &leds);
}
} else {
if (!m->global_get_leds)
goto ok; /* No LEDs. Ignore config. */
err = m->global_get_leds(m, &leds);
}
if (err < 0)
goto error;
if (err == 0)
goto ok; /* No LEDs. Ignore config. */
for (led = leds; led; led = led->next) {
if (strcasecmp(led->name, ledname) != 0)
continue;
if (!led->set_mode) {
razer_free_leds(leds);
goto invalid;
}
err = led->set_mode(led, mode);
razer_free_leds(leds);
if (err)
goto error;
goto ok;
}
razer_free_leds(leds);
goto error;
} else if (strcasecmp(item, "color") == 0) {
struct razer_rgb_color color;
struct razer_led *leds, *led;
const char *ledname, *ledcolor;
int profile;
err = razer_split_tuple(value, ':', tmplen, a, b, c, NULL);
if (err && err != -ENODATA)
goto error;
if (!strlen(a) || !strlen(b))
goto error;
if (strlen(c)) {
/* A profile was specified */
err = razer_string_to_int(razer_string_strip(a), &profile);
if (err || profile < 1)
goto error;
prof = find_prof(m, profile - 1);
if (!prof)
goto error;
ledname = razer_string_strip(b);
ledcolor = razer_string_strip(c);
} else {
/* Modify global LEDs */
prof = NULL;
ledname = razer_string_strip(a);
ledcolor = razer_string_strip(b);
}
err = razer_string_to_color(ledcolor, &color);
if (err)
goto error;
if (prof) {
if (prof->get_leds) {
err = prof->get_leds(prof, &leds);
} else {
/* Try to fall back to global */
if (!m->global_get_leds)
goto ok; /* No LEDs. Ignore config. */
err = m->global_get_leds(m, &leds);
}
} else {
if (!m->global_get_leds)
goto ok; /* No LEDs. Ignore config. */
err = m->global_get_leds(m, &leds);
}
if (err < 0)
goto error;
if (err == 0)
goto ok; /* No LEDs. Ignore config. */
for (led = leds; led; led = led->next) {
if (strcasecmp(led->name, ledname) != 0)
continue;
if (!led->change_color) {
razer_free_leds(leds);
goto invalid;
}
err = led->change_color(led, &color);
razer_free_leds(leds);
if (err)
goto error;
goto ok;
}
razer_free_leds(leds);
goto error;
} else if (strcasecmp(item, "disabled") == 0) {
goto ok;
} else
goto invalid;
ok:
return 1;
error:
*error_status = 1;
invalid:
razer_error("Config section \"%s\" item \"%s\" "
"invalid.\n", section, item);
return *error_status ? 0 : 1;
}
static void mouse_apply_initial_config(struct razer_mouse *m)
{
const char *section = NULL;
int err;
bool error_status = 0;
config_for_each_section(razer_config_file,
m, §ion,
mouse_idstr_glob_match);
if (!section)
return;
if (config_get_bool(razer_config_file, section,
"disabled", 0, CONF_NOCASE)) {
razer_debug("Initial config for \"%s\" is disabled. Not applying.\n",
m->idstr);
return;
}
razer_debug("Applying config section \"%s\" to \"%s\"\n",
section, m->idstr);
err = m->claim(m);
if (err) {
razer_error("Failed to claim \"%s\"\n", m->idstr);
return;
}
config_for_each_item(razer_config_file,
m, &error_status,
section,
mouse_apply_one_config);
m->release(m);
if (error_status) {
razer_error("Failed to apply initial config "
"to \"%s\"\n", m->idstr);
}
}
static struct razer_usb_context * razer_create_usb_ctx(struct libusb_device *dev)
{
struct razer_usb_context *ctx;
ctx = zalloc(sizeof(*ctx));
if (!ctx)
return NULL;
ctx->dev = dev;
ctx->bConfigurationValue = 1;
return ctx;
}
static int mouse_default_claim(struct razer_mouse *m)
{
return razer_generic_usb_claim_refcount(m->usb_ctx, &m->claim_count);
}
static int mouse_default_release(struct razer_mouse *m)
{
int err = 0;
if (m->claim_count == 1) {
if (m->commit)
err = m->commit(m, 0);
}
razer_generic_usb_release_refcount(m->usb_ctx, &m->claim_count);
return err;
}
static struct razer_mouse * mouse_new(const struct razer_usb_device *id,
struct libusb_device *udev)
{
struct razer_event_data ev;
struct razer_mouse *m;
int err;
libusb_ref_device(udev);
m = zalloc(sizeof(*m));
if (!m)
return NULL;
m->usb_ctx = razer_create_usb_ctx(udev);
if (!m->usb_ctx)
goto err_free_mouse;
/* Set default values and callbacks */
m->nr_profiles = 1;
m->claim = mouse_default_claim;
m->release = mouse_default_release;
/* Call the driver init */
m->base_ops = id->u.mouse_ops;
err = m->base_ops->init(m, udev);
if (err)
goto err_free_ctx;
udev = m->usb_ctx->dev;
if (WARN_ON(m->nr_profiles <= 0))
goto err_release;
if (m->nr_profiles == 1 && !m->get_active_profile)
m->get_active_profile = m->get_profiles;
if (profile_emu_enabled && m->nr_profiles == 1) {
err = razer_mouse_init_profile_emulation(m);
if (err)
goto err_release;
}
mouse_apply_initial_config(m);
razer_debug("Allocated and initialized new mouse \"%s\"\n",
m->idstr);
ev.u.mouse = m;
razer_notify_event(RAZER_EV_MOUSE_ADD, &ev);
return m;
err_release:
m->base_ops->release(m);
err_free_ctx:
razer_free(m->usb_ctx, sizeof(*(m->usb_ctx)));
err_free_mouse:
razer_free(m, sizeof(*m));
libusb_unref_device(udev);
return NULL;
}
static void razer_free_mouse(struct razer_mouse *m)
{
struct razer_event_data ev;
razer_debug("Freeing mouse (type=%d)\n",
m->base_ops->type);
ev.u.mouse = m;
razer_notify_event(RAZER_EV_MOUSE_REMOVE, &ev);
if (m->release == mouse_default_release) {
while (m->claim_count)
m->release(m);
}
razer_mouse_exit_profile_emulation(m);
m->base_ops->release(m);
libusb_unref_device(m->usb_ctx->dev);
razer_free(m->usb_ctx, sizeof(*(m->usb_ctx)));
razer_free(m, sizeof(*m));
}
static void razer_free_mice(struct razer_mouse *mouse_list)
{
struct razer_mouse *mouse, *next;
for (mouse = mouse_list; mouse; ) {
next = mouse->next;
razer_free_mouse(mouse);
mouse = next;
}
}
struct new_razer_usb_device {
const struct razer_usb_device *id;
struct usb_device *udev;
};
struct razer_mouse * razer_rescan_mice(void)
{
struct libusb_device **devlist, *dev;
ssize_t nr_devices;
unsigned int i;
int err;
struct libusb_device_descriptor desc;
const struct razer_usb_device *id;
struct razer_mouse *m, *next;
nr_devices = libusb_get_device_list(libusb_ctx, &devlist);
if (nr_devices < 0) {
razer_error("razer_rescan_mice: Failed to get USB device list\n");
return NULL;
}
for (i = 0; i < nr_devices; i++) {
dev = devlist[i];
err = libusb_get_device_descriptor(dev, &desc);
if (err) {
razer_error("razer_rescan_mice: Failed to get descriptor\n");
continue;
}
id = usbdev_lookup(&desc);
if (!id || id->type != RAZER_DEVTYPE_MOUSE)
continue;
m = mouse_list_find(mice_list, dev);
if (m) {
/* We already had this mouse */
m->flags |= RAZER_MOUSEFLG_PRESENT;
} else {
/* We don't have this mouse, yet. Create a new one */
m = mouse_new(id, dev);
if (m) {
m->flags |= RAZER_MOUSEFLG_PRESENT;
mouse_list_add(&mice_list, m);
}
}
}
/* Remove mice that are not connected anymore. */
razer_for_each_mouse(m, next, mice_list) {
if (m->flags & RAZER_MOUSEFLG_PRESENT) {
m->flags &= ~RAZER_MOUSEFLG_PRESENT;
continue;
}
mouse_list_del(&mice_list, m);
razer_free_mouse(m);
}
libusb_free_device_list(devlist, 1);
return mice_list;
}
int razer_reconfig_mice(void)
{
struct razer_mouse *m, *next;
int err;
razer_for_each_mouse(m, next, mice_list) {
err = m->claim(m);
if (err)
return err;
if (m->commit)
err = m->commit(m, 1);
m->release(m);
if (err)
return err;
}
return 0;
}
void razer_free_freq_list(enum razer_mouse_freq *freq_list, int count)
{
if (freq_list)
free(freq_list);
}
void razer_free_resolution_list(enum razer_mouse_res *res_list, int count)
{
if (res_list)
free(res_list);
}
void razer_free_leds(struct razer_led *led_list)
{
struct razer_led *led, *next;
for (led = led_list; led; ) {
next = led->next;
free(led);
led = next;
}
}
int razer_init(int enable_profile_emu)
{
int err = 0;
if (!razer_initialized())
err = libusb_init(&libusb_ctx);
if (!err)
profile_emu_enabled = enable_profile_emu;
return err ? -EINVAL : 0;
}
void razer_exit(void)
{
if (!razer_initialized())
return;
razer_free_mice(mice_list);
mice_list = NULL;
config_file_free(razer_config_file);
razer_config_file = NULL;
libusb_exit(libusb_ctx);
libusb_ctx = NULL;
}
int razer_usb_add_used_interface(struct razer_usb_context *ctx,
int bInterfaceNumber,
int bAlternateSetting)
{
struct razer_usb_interface *interf;
if (ctx->nr_interfaces >= ARRAY_SIZE(ctx->interfaces)) {
razer_error("USB context interface array overflow\n");
return -ENOSPC;
}
interf = &ctx->interfaces[ctx->nr_interfaces];
interf->bInterfaceNumber = bInterfaceNumber;
interf->bAlternateSetting = bAlternateSetting;
ctx->nr_interfaces++;
return 0;
}
static void razer_reattach_usb_kdrv(struct razer_usb_context *ctx,
int bInterfaceNumber)
{
int res;
res = libusb_kernel_driver_active(ctx->h, bInterfaceNumber);
if (res == 1)
return;
if (res) {
razer_error("Failed to get kernel driver state\n");
return;
}
res = libusb_attach_kernel_driver(ctx->h, bInterfaceNumber);
if (res) {
razer_error("Failed to reconnect the kernel driver (%d).\n"
"The device most likely won't work now. Try to replug it.\n", res);
return;
}
}
static void razer_usb_release(struct razer_usb_context *ctx,
int bInterfaceNumber)
{
libusb_release_interface(ctx->h, bInterfaceNumber);
razer_reattach_usb_kdrv(ctx, bInterfaceNumber);
}
int razer_generic_usb_claim(struct razer_usb_context *ctx)
{
unsigned int tries, i;
int err, config;
struct razer_usb_interface *interf;
err = libusb_open(ctx->dev, &ctx->h);
if (err) {
razer_error("razer_generic_usb_claim: Failed to open USB device\n");
return -ENODEV;
}
/* Detach kernel drivers for all interfaces. */
for (i = 0; i < ctx->nr_interfaces; i++) {
interf = &ctx->interfaces[i];
err = libusb_kernel_driver_active(ctx->h, interf->bInterfaceNumber);
if (err == 1) {
err = libusb_detach_kernel_driver(ctx->h, interf->bInterfaceNumber);
if (err) {
err = -EBUSY;
razer_error("Failed to detach kernel driver\n");
goto err_close;
}
} else if (err) {
err = -ENODEV;
razer_error("Failed to get kernel driver state\n");
goto err_close;
}
}
tries = 0;
while (1) {
if (tries >= 10) {
razer_error("razer_generic_usb_claim: Failed to claim config\n");
goto err_close;
}
/* Select the correct configuration */
err = libusb_get_configuration(ctx->h, &config);
if (err) {
err = -EBUSY;
razer_error("razer_generic_usb_claim: Failed to get configuration\n");
goto err_close;
}
if (config != ctx->bConfigurationValue) {
err = libusb_set_configuration(ctx->h, ctx->bConfigurationValue);
if (err) {
err = -EBUSY;
razer_error("razer_generic_usb_claim: Failed to set configuration\n");
goto err_close;
}
}
/* And finally claim all interfaces. */
for (i = 0; i < ctx->nr_interfaces; i++) {
interf = &ctx->interfaces[i];
err = libusb_claim_interface(ctx->h, interf->bInterfaceNumber);
if (err) {
err = -EIO;
razer_error("Failed to claim USB interface\n");
goto err_close;
}
err = libusb_set_interface_alt_setting(ctx->h, interf->bInterfaceNumber,
interf->bAlternateSetting);
if (err) {
/* This error triggers on some devices.
* Just print a warning and ignore. */
razer_info("razer_generic_usb_claim: "
"Failed to set alt setting %d on interface %d. "
"Ignoring...\n",
(int)interf->bAlternateSetting,
(int)interf->bInterfaceNumber);
}
}
/* To make sure there was no race, check config value again */
err = libusb_get_configuration(ctx->h, &config);
if (err) {
err = -EBUSY;
razer_error("razer_generic_usb_claim: Failed to get configuration\n");
goto err_close;
}
if (config == ctx->bConfigurationValue)
break;
razer_msleep(100);
tries++;
}
return 0;
err_close:
libusb_close(ctx->h);
return err;
}
int razer_generic_usb_claim_refcount(struct razer_usb_context *ctx,
unsigned int *refcount)
{
int err;
if (!(*refcount)) {
err = razer_generic_usb_claim(ctx);
if (err)
return err;
}
(*refcount)++;
return 0;
}
void razer_generic_usb_release(struct razer_usb_context *ctx)
{
int i;
for (i = ctx->nr_interfaces - 1; i >= 0; i--)
razer_usb_release(ctx, ctx->interfaces[i].bInterfaceNumber);
libusb_close(ctx->h);
}
void razer_generic_usb_release_refcount(struct razer_usb_context *ctx,
unsigned int *refcount)
{
if (*refcount) {
(*refcount)--;
if (!(*refcount))
razer_generic_usb_release(ctx);
}
}
void razer_generic_usb_gen_idstr(struct libusb_device *udev,
struct libusb_device_handle *h,
const char *devname,
bool include_devicenr,
const char *serial,
char *idstr_buf)
{
char devid[64];
char serial_buf[64];
char buspos[512];
char c;
size_t i;
unsigned int serial_index = 0;
int err;
struct libusb_device_descriptor devdesc;
struct razer_usb_context usbctx = {
.dev = udev,
.h = h,
};
err = libusb_get_device_descriptor(udev, &devdesc);
if (err) {
razer_error("razer_generic_usb_gen_idstr: Failed to get "
"device descriptor (%d)\n", err);
return;
}
if (serial && strlen(serial)) {
/* Enforce ASCII characters. */
for (i = 0; i < ARRAY_SIZE(serial_buf) - 1; i++) {
c = serial[i];
if (c == '\0')
break;
if ((unsigned char)c <= 0x7Fu)
serial_buf[i] = c;
else
serial_buf[i] = '?'; /* Non-ASCII char. */
}
serial_buf[i] = '\0';
serial = serial_buf;
} else {
serial_buf[0] = '\0';
serial_index = devdesc.iSerialNumber;
err = -EINVAL;
if (serial_index) {
err = 0;
if (!h)
err = razer_generic_usb_claim(&usbctx);
if (err) {
razer_error("Failed to claim device for serial fetching.\n");
} else {
err = libusb_get_string_descriptor_ascii(
usbctx.h, serial_index,
(unsigned char *)serial_buf, sizeof(serial_buf));
if (!h)
razer_generic_usb_release(&usbctx);
/* Enforce ASCII characters. */
for (i = 0; i < ARRAY_SIZE(serial_buf); i++) {
if (serial_buf[i] == '\0')
break;
if ((unsigned char)serial_buf[i] > 0x7Fu)
serial_buf[i] = '?'; /* Non-ASCII char. */
}
}
}
if (err <= 0)
strcpy(serial_buf, "0");
serial = serial_buf;
}
snprintf(devid, sizeof(devid), "%04X-%04X-%s",
devdesc.idVendor,
devdesc.idProduct, serial);
if (include_devicenr) {
snprintf(buspos, sizeof(buspos), "%03d-%03d",
libusb_get_bus_number(udev),
libusb_get_device_address(udev));
} else {
snprintf(buspos, sizeof(buspos), "%03d",
libusb_get_bus_number(udev));
}
razer_create_idstr(idstr_buf, BUSTYPESTR_USB, buspos,
DEVTYPESTR_MOUSE, devname, devid);
}
/** razer_usb_force_hub_reset
* Force reset of the hub the specified device is on
*/
int razer_usb_force_hub_reset(struct razer_usb_context *device_ctx)
{
struct libusb_device_handle *h;
struct libusb_device *hub = NULL, *dev;
uint8_t hub_bus_number, hub_device_address;
struct razer_usb_reconnect_guard rg;
int err;
struct libusb_device **devlist;
ssize_t devlist_size, i;
razer_debug("Forcing hub reset for device %03u:%03u\n",
libusb_get_bus_number(device_ctx->dev),
libusb_get_device_address(device_ctx->dev));
razer_usb_reconnect_guard_init(&rg, device_ctx);
hub_bus_number = libusb_get_bus_number(device_ctx->dev);
hub_device_address = 1; /* Constant */
devlist_size = libusb_get_device_list(libusb_ctx, &devlist);
for (i = 0; i < devlist_size; i++) {
dev = devlist[i];
if (libusb_get_bus_number(dev) == hub_bus_number &&
libusb_get_device_address(dev) == hub_device_address) {
hub = dev;
break;
}
}
if (!hub) {
razer_error("razer_usb_force_reinit: Failed to find hub\n");
err = -ENODEV;
goto error;
}
razer_debug("Resetting root hub %03u:%03u\n",
hub_bus_number, hub_device_address);
err = libusb_open(hub, &h);
if (err) {
razer_error("razer_usb_force_reinit: Failed to open hub device\n");
err = -ENODEV;
goto error;
}
libusb_reset_device(h);
libusb_close(h);
err = razer_usb_reconnect_guard_wait(&rg, 1);
if (err) {
razer_error("razer_usb_force_reinit: "
"Failed to discover the reconnected device\n");
goto error;
}
razer_debug("Hub reset completed. Device rediscovered as %03u:%03u\n",
libusb_get_bus_number(device_ctx->dev),
libusb_get_device_address(device_ctx->dev));
err = 0;
error:
libusb_free_device_list(devlist, 1);
return err;
}
/** razer_usb_reconnect_guard_init - Init the reconnect-guard context
*
* Call this _before_ triggering any device operations that might
* reset the device.
*/
int razer_usb_reconnect_guard_init(struct razer_usb_reconnect_guard *guard,
struct razer_usb_context *ctx)
{
int err;
guard->ctx = ctx;
err = libusb_get_device_descriptor(ctx->dev, &guard->old_desc);
if (err) {
razer_error("razer_usb_reconnect_guard_init: Failed to "
"get device descriptor\n");
return err;
}
guard->old_busnr = libusb_get_bus_number(ctx->dev);
guard->old_devaddr = libusb_get_device_address(ctx->dev);
return 0;
}
static struct libusb_device * guard_find_usb_dev(const struct libusb_device_descriptor *expected_desc,
uint8_t expected_bus_number,
uint8_t expected_dev_addr,
bool exact_match)
{
struct libusb_device **devlist, *dev;
struct libusb_device_descriptor desc;
uint8_t dev_addr;
ssize_t nr_devices, i, j;
int err;
nr_devices = libusb_get_device_list(libusb_ctx, &devlist);
if (nr_devices < 0) {
razer_error("guard_find_usb_dev: Failed to get device list\n");
return NULL;
}
for (i = 0; i < nr_devices; i++) {
dev = devlist[i];
if (libusb_get_bus_number(dev) != expected_bus_number)
continue;
err = libusb_get_device_descriptor(dev, &desc);
if (err)
continue;
if (memcmp(&desc, expected_desc, sizeof(desc)) != 0)
continue;
dev_addr = libusb_get_device_address(dev);
if (exact_match) {
if (dev_addr == expected_dev_addr)
goto found_dev;
} else {
for (j = 0; j < 64; j++) {
if (dev_addr == ((expected_dev_addr + j) & 0x7F))
goto found_dev;
}
}
}
libusb_free_device_list(devlist, 1);
return NULL;
found_dev:
libusb_ref_device(dev);
libusb_free_device_list(devlist, 1);
return dev;
}
/** razer_usb_reconnect_guard_wait - Protect against a firmware reconnect.
*
* If the firmware does a reconnect of the device on the USB bus, this
* function tries to keep track of the device and it will update the
* usb context information.
* Of course, this is not completely race-free, but we try to do our best.
*
* hub_reset is true, if the device reconnects due to a HUB reset event.
* Otherwise it's assumed that the device reconnects on behalf of itself.
* If hub_reset is false, the device is expected to be claimed.
*/
int razer_usb_reconnect_guard_wait(struct razer_usb_reconnect_guard *guard, bool hub_reset)
{
uint8_t reconn_dev_addr;
uint8_t old_dev_addr = guard->old_devaddr;
uint8_t old_bus_number = guard->old_busnr;
int res, errorcode = 0;
struct libusb_device *dev;
struct timeval now, timeout;
if (!hub_reset) {
/* Release the device, so the kernel can detect the bus reconnect. */
razer_generic_usb_release(guard->ctx);
}
/* Wait for the device to disconnect. */
gettimeofday(&timeout, NULL);
razer_timeval_add_msec(&timeout, 3000);
while (1) {
dev = guard_find_usb_dev(&guard->old_desc,
old_bus_number, old_dev_addr, 1);
if (!dev)
break;
libusb_unref_device(dev);
gettimeofday(&now, NULL);
if (razer_timeval_after(&now, &timeout)) {
/* Timeout. Hm. It seems the device won't reconnect.
* That's probably OK. Reclaim it. */
razer_error("razer_usb_reconnect_guard: "
"The device did not disconnect! If it "
"does not work anymore, try to replug it.\n");
goto reclaim;
}
razer_msleep(50);
}
/* Construct the device address it will reconnect on.
* On a device reset the new dev addr will be >= reconn_dev_addr.
*/
reconn_dev_addr = (old_dev_addr + 1) & 0x7F;
/* Wait for the device to reconnect. */
gettimeofday(&timeout, NULL);
razer_timeval_add_msec(&timeout, 3000);
while (1) {
dev = guard_find_usb_dev(&guard->old_desc,
old_bus_number, reconn_dev_addr, 0);
if (dev)
break;
gettimeofday(&now, NULL);
if (razer_timeval_after(&now, &timeout)) {
razer_error("razer_usb_reconnect_guard: The device did not "
"reconnect! It might not work anymore. Try to replug it.\n");
razer_debug("Expected reconnect busid was: %02u:>=%03u\n",
old_dev_addr, reconn_dev_addr);
errorcode = -EBUSY;
goto out;
}
razer_msleep(50);
}
/* Update the USB context. */
libusb_unref_device(guard->ctx->dev);
guard->ctx->dev = dev;
reclaim:
if (!hub_reset) {
/* Reclaim the new device. */
res = razer_generic_usb_claim(guard->ctx);
if (res) {
razer_error("razer_usb_reconnect_guard: Reclaim failed.\n");
return res;
}
}
out:
return errorcode;
}
int razer_load_config(const char *path)
{
struct config_file *conf = NULL;
if (!razer_initialized())
return -EINVAL;
if (!path)
path = RAZER_DEFAULT_CONFIG;
if (strlen(path)) {
conf = config_file_parse(path, 1);
if (!conf)
return -ENOENT;
}
config_file_free(razer_config_file);
razer_config_file = conf;
return 0;
}
void razer_set_logging(razer_logfunc_t info_callback,
razer_logfunc_t error_callback,
razer_logfunc_t debug_callback)
{
razer_logfunc_info = info_callback;
razer_logfunc_error = error_callback;
razer_logfunc_debug = debug_callback;
}
static void do_init_axis(struct razer_axis *axis,
unsigned int id, const char *name, unsigned int flags)
{
if (name) {
axis->id = id;
axis->name = name;
axis->flags = flags;
}
}
void razer_init_axes(struct razer_axis *axes,
const char *name0, unsigned int flags0,
const char *name1, unsigned int flags1,
const char *name2, unsigned int flags2)
{
do_init_axis(&axes[0], 0, name0, flags0);
do_init_axis(&axes[1], 1, name1, flags1);
do_init_axis(&axes[2], 2, name2, flags2);
}
struct razer_mouse_dpimapping * razer_mouse_get_dpimapping_by_res(
struct razer_mouse_dpimapping *mappings, size_t nr_mappings,
enum razer_dimension dim, enum razer_mouse_res res)
{
struct razer_mouse_dpimapping *mapping = NULL;
size_t i;
for (i = 0; i < nr_mappings; i++) {
if (mappings[i].res[dim] == res) {
mapping = &mappings[i];
break;
}
}
return mapping;
}
void razer_event_spacing_init(struct razer_event_spacing *es,
unsigned int msec)
{
memset(es, 0, sizeof(*es));
es->spacing_msec = msec;
}
void razer_event_spacing_enter(struct razer_event_spacing *es)
{
struct timeval now, deadline;
int wait_msec;
gettimeofday(&now, NULL);
deadline = es->last_event;
razer_timeval_add_msec(&deadline, es->spacing_msec);
if (razer_timeval_after(&deadline, &now)) {
/* We have to sleep long enough to ensure we're
* after the deadline. */
wait_msec = razer_timeval_msec_diff(&deadline, &now);
WARN_ON(wait_msec < 0);
razer_msleep(wait_msec + 1);
gettimeofday(&now, NULL);
razer_error_on(razer_timeval_after(&deadline, &now),
"Failed to maintain event spacing\n");
}
}
void razer_event_spacing_leave(struct razer_event_spacing *es)
{
gettimeofday(&es->last_event, NULL);
}
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