From patchwork Tue Dec 22 00:22:22 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 69201 X-Patchwork-Delegate: jikos@jikos.cz Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.2) with ESMTP id nBM0NAEF025014 for ; Tue, 22 Dec 2009 00:23:10 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752407AbZLVAXJ (ORCPT ); Mon, 21 Dec 2009 19:23:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752389AbZLVAXJ (ORCPT ); Mon, 21 Dec 2009 19:23:09 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:40082 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751262AbZLVAXD (ORCPT ); Mon, 21 Dec 2009 19:23:03 -0500 Received: from imap1.linux-foundation.org (imap1.linux-foundation.org [140.211.169.55]) by smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with ESMTP id nBM0MN1x005403 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 21 Dec 2009 16:22:24 -0800 Received: from localhost.localdomain (localhost [127.0.0.1]) by imap1.linux-foundation.org (8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with ESMTP id nBM0MMS8005004; Mon, 21 Dec 2009 16:22:22 -0800 Message-Id: <200912220022.nBM0MMS8005004@imap1.linux-foundation.org> Subject: [patch 1/1] hid: Logitech G13 driver 0.0.2 To: jkosina@suse.cz Cc: linux-input@vger.kernel.org, akpm@linux-foundation.org, rvinyard@cs.nmsu.edu, dtor@mail.ru, oliver@neukum.org From: akpm@linux-foundation.org Date: Mon, 21 Dec 2009 16:22:22 -0800 MIME-Version: 1.0 X-Spam-Status: No, hits=-3.515 required=5 tests=AWL, BAYES_00, OSDL_HEADER_SUBJECT_BRACKETED X-Spam-Checker-Version: SpamAssassin 3.2.4-osdl_revision__1.47__ X-MIMEDefang-Filter: lf$Revision: 1.188 $ X-Scanned-By: MIMEDefang 2.63 on 140.211.169.13 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org diff -puN drivers/hid/Kconfig~hid-logitech-g13-driver-002 drivers/hid/Kconfig --- a/drivers/hid/Kconfig~hid-logitech-g13-driver-002 +++ a/drivers/hid/Kconfig @@ -183,6 +183,20 @@ config LOGIRUMBLEPAD2_FF Say Y here if you want to enable force feedback support for Logitech Rumblepad 2 devices. +config LOGITECH_G13 + tristate "Logitech G13 gameboard support" + depends on HID_LOGITECH + depends on FB + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + select FB_SYS_FOPS + help + This provides support for Logitech G13 gameboard + devices. This includes support for the device + as a keypad input with mappable keys as well as + a framebuffer for the LCD display. + config HID_MICROSOFT tristate "Microsoft" if EMBEDDED depends on USB_HID diff -puN drivers/hid/Makefile~hid-logitech-g13-driver-002 drivers/hid/Makefile --- a/drivers/hid/Makefile~hid-logitech-g13-driver-002 +++ a/drivers/hid/Makefile @@ -18,6 +18,9 @@ endif ifdef CONFIG_LOGIRUMBLEPAD2_FF hid-logitech-objs += hid-lg2ff.o endif +ifdef CONFIG_LOGITECH_G13 + hid-logitech-objs += hid-g13.o +endif obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o diff -puN drivers/hid/hid-core.c~hid-logitech-g13-driver-002 drivers/hid/hid-core.c --- a/drivers/hid/hid-core.c~hid-logitech-g13-driver-002 +++ a/drivers/hid/hid-core.c @@ -1325,6 +1325,7 @@ static const struct hid_device_id hid_bl { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G13) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, diff -puN /dev/null drivers/hid/hid-g13-logo.xbm --- /dev/null +++ a/drivers/hid/hid-g13-logo.xbm @@ -0,0 +1,75 @@ +#define g13_lcd_width 160 +#define g13_lcd_height 43 +static unsigned char g13_lcd_bits[] = { + 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x28, 0x03, 0x00, 0x40, 0x01, 0x00, 0xc0, 0x3f, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa1, + 0x08, 0x00, 0x08, 0x00, 0x00, 0xe0, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x25, 0x00, 0xf3, 0x03, + 0x00, 0xe0, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x0e, 0x05, 0x00, 0x20, 0x16, 0x00, 0xf0, 0xff, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x09, + 0x00, 0x00, 0x00, 0x42, 0x00, 0xf0, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x05, 0x60, 0x80, 0x00, 0x14, + 0x00, 0x30, 0xe7, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x90, 0x00, 0x00, 0x20, 0x00, 0x10, 0x00, 0x10, 0xe3, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x02, + 0xe0, 0xdd, 0x03, 0x90, 0x00, 0x50, 0xcb, 0x01, 0x00, 0xfe, 0xff, 0x7f, + 0xf0, 0x3f, 0x00, 0xff, 0xff, 0x7f, 0x80, 0x00, 0xfa, 0xe3, 0x07, 0x38, + 0x00, 0x10, 0xc1, 0x01, 0x00, 0xff, 0xff, 0x7f, 0xf0, 0x3f, 0x00, 0xff, + 0xff, 0xff, 0xd0, 0x00, 0xfc, 0x87, 0x0f, 0x90, 0x00, 0x30, 0xe0, 0x01, + 0x80, 0xff, 0xff, 0x7f, 0xf0, 0x3f, 0x00, 0xff, 0xff, 0xff, 0x81, 0x80, + 0xfe, 0xa7, 0x3f, 0x30, 0x00, 0x30, 0xc0, 0x01, 0xc0, 0xff, 0xff, 0x7f, + 0xf0, 0x3f, 0x00, 0xff, 0xff, 0xff, 0x93, 0x42, 0x0f, 0x08, 0x3a, 0x30, + 0x00, 0x10, 0xe8, 0x01, 0xc0, 0xff, 0xff, 0x7f, 0xf0, 0x3f, 0x00, 0xff, + 0xff, 0xff, 0x93, 0xa4, 0x41, 0x20, 0x20, 0x94, 0x00, 0x30, 0xf4, 0x03, + 0xc0, 0x07, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x93, 0x41, + 0x60, 0x48, 0xe1, 0x98, 0x00, 0x70, 0xda, 0x07, 0xc0, 0x07, 0x00, 0x00, + 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x83, 0x77, 0x10, 0x82, 0xc5, 0x1f, + 0x00, 0xd0, 0xcc, 0x07, 0xc0, 0x07, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, + 0x00, 0xe0, 0x23, 0x3f, 0x00, 0x90, 0xc0, 0x4f, 0x00, 0x98, 0x83, 0x0f, + 0xc0, 0x07, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x3f, + 0x00, 0x85, 0x86, 0x27, 0x00, 0x0c, 0x80, 0x0f, 0xc0, 0x07, 0x00, 0x00, + 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x3e, 0xc0, 0x83, 0x86, 0x0b, + 0x00, 0x0c, 0x80, 0x1f, 0xc0, 0x07, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, + 0x00, 0xe0, 0x03, 0x11, 0x00, 0x00, 0x04, 0x0d, 0x00, 0x0e, 0x00, 0x3f, + 0xc0, 0x07, 0xff, 0xff, 0x00, 0x3e, 0x00, 0xff, 0xff, 0xff, 0x03, 0x0c, + 0x10, 0x00, 0x02, 0x02, 0x00, 0x0f, 0x00, 0x3f, 0xc0, 0x07, 0xff, 0xff, + 0x00, 0x3e, 0x00, 0xff, 0xff, 0xff, 0x01, 0x00, 0x08, 0x00, 0x1c, 0x02, + 0x00, 0x07, 0x00, 0x7e, 0xc0, 0x07, 0xff, 0xff, 0x00, 0x3e, 0x00, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x04, 0x00, 0x28, 0x04, 0x80, 0x03, 0x00, 0x7e, + 0xc0, 0x07, 0xff, 0xff, 0x00, 0x3e, 0x00, 0xff, 0xff, 0xff, 0x01, 0x08, + 0x02, 0x58, 0x08, 0x00, 0x80, 0x03, 0x00, 0xfc, 0xc0, 0x07, 0xff, 0xff, + 0x00, 0x3e, 0x00, 0xff, 0xff, 0xff, 0x01, 0x00, 0x01, 0x08, 0x21, 0x00, + 0x80, 0x03, 0x00, 0xfc, 0xc0, 0x07, 0x00, 0xf8, 0x00, 0x3e, 0x00, 0x00, + 0x00, 0xe0, 0x03, 0xa4, 0x01, 0x28, 0x00, 0x00, 0xc0, 0x01, 0x00, 0xfc, + 0xc0, 0x07, 0x00, 0xf8, 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x2e, + 0x02, 0x00, 0x00, 0x00, 0xc0, 0x01, 0x00, 0xfc, 0xc1, 0x07, 0x00, 0xf8, + 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x20, 0x00, 0x02, 0x00, 0x00, + 0xe0, 0x01, 0x00, 0xfc, 0xc1, 0x07, 0x00, 0xf8, 0x00, 0x3e, 0x00, 0x00, + 0x00, 0xe0, 0x03, 0x20, 0x02, 0x00, 0x10, 0x00, 0xe0, 0x01, 0x00, 0xe8, + 0xc1, 0x07, 0x00, 0xf8, 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x20, + 0x02, 0x04, 0x00, 0x00, 0xe0, 0x00, 0x00, 0xfc, 0xc1, 0x07, 0x00, 0xf8, + 0x00, 0x3e, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x00, 0x0c, 0x00, 0x00, 0x00, + 0xf0, 0x01, 0x00, 0xfe, 0xc0, 0xff, 0xff, 0xff, 0xf0, 0xff, 0x0f, 0xff, + 0xff, 0xff, 0x03, 0x40, 0x08, 0x08, 0x0d, 0x00, 0x58, 0x03, 0x00, 0x7c, + 0xc0, 0xff, 0xff, 0xff, 0xf0, 0xff, 0x0f, 0xff, 0xff, 0xff, 0x03, 0x40, + 0x10, 0xa0, 0x18, 0x00, 0xa8, 0x06, 0x00, 0xb8, 0x81, 0xff, 0xff, 0xff, + 0xf0, 0xff, 0x0f, 0xff, 0xff, 0xff, 0x01, 0x00, 0x10, 0x00, 0x00, 0x00, + 0x5e, 0x1d, 0x00, 0xe8, 0x82, 0xff, 0xff, 0xff, 0xf0, 0xff, 0x0f, 0xff, + 0xff, 0xff, 0x01, 0x00, 0x20, 0xc0, 0x07, 0x00, 0xab, 0x3a, 0x00, 0x54, + 0x03, 0xfe, 0xff, 0xff, 0xf0, 0xff, 0x0f, 0xff, 0xff, 0x7f, 0x00, 0x80, + 0x40, 0x01, 0x01, 0x00, 0x55, 0x3d, 0x00, 0xaa, 0x06, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x01, 0x01, 0x00, + 0xab, 0x1a, 0xc0, 0x55, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0x00, 0x55, 0x35, 0xe0, 0xab, + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xc0, 0x43, 0x01, 0x00, 0xab, 0xaa, 0xff, 0x55, 0x03, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc7, 0x00, 0x00, + 0x57, 0xf5, 0xff, 0xaa, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0xaa, 0xea, 0xff, 0xd5, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xfe, 0x03, 0x00, 0x7c, 0x75, 0x80, 0x2b, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00, + 0x80, 0x1f, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x01, 0x00 }; diff -puN /dev/null drivers/hid/hid-g13.c --- /dev/null +++ a/drivers/hid/hid-g13.c @@ -0,0 +1,1526 @@ +/*************************************************************************** + * Copyright (C) 2009 by Rick L. Vinyard, Jr. * + * rvinyard@cs.nmsu.edu * + * * + * 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 driver 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. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see . * + ***************************************************************************/ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hid-ids.h" +#include "usbhid/usbhid.h" +#include "hid-g13-logo.xbm" + +#define G13_NAME "Logitech G13" + +/* Key defines */ +#define G13_KEYS 35 +#define G13_KEYMAP_SIZE (G13_KEYS*3) + +/* G1-G22 indices */ +#define G13_G1 0 +#define G13_G2 1 +#define G13_G3 2 +#define G13_G4 3 +#define G13_G5 4 +#define G13_G6 5 +#define G13_G7 6 +#define G13_G8 7 +#define G13_G9 8 +#define G13_G10 9 +#define G13_G11 10 +#define G13_G12 11 +#define G13_G13 12 +#define G13_G14 13 +#define G13_G15 14 +#define G13_G16 15 +#define G13_G17 16 +#define G13_G18 17 +#define G13_G19 18 +#define G13_G20 19 +#define G13_G21 20 +#define G13_G22 21 +#define G13_FUNC 22 +#define G13_LCD1 23 +#define G13_LCD2 24 +#define G13_LCD3 25 +#define G13_LCD4 26 +#define G13_M1 27 +#define G13_M2 28 +#define G13_M3 29 +#define G13_MR 30 +#define G13_BTN_LEFT 31 +#define G13_BTN_DOWN 32 +#define G13_BTN_STICK 33 +#define G13_LIGHT 34 + +/* Framebuffer defines */ +#define G13FB_NAME "g13fb" +#define G13FB_WIDTH (160) +#define G13FB_LINE_LENGTH (160/8) +#define G13FB_HEIGHT (43) + +/* + * 160*43 rounded to nearest whole byte which is 160*48 since bytes are + * vertical the y component must be a multiple of 8 + */ +#define G13FB_SIZE (160*48/8) + +#define G13FB_UPDATE_RATE_LIMIT 20 +#define G13FB_UPDATE_RATE_DEFAULT 10 +#define G13_VBITMAP_SIZE (G13FB_SIZE + 32) + +/* Backlight defaults */ +#define G13_DEFAULT_RED 0 +#define G13_DEFAULT_GREEN 255 +#define G13_DEFAULT_BLUE 0 + +/* Per device data structure */ +struct g13_data { + /* HID reports */ + struct hid_device *hdev; + struct hid_report *backlight_report; + struct hid_report *start_input_report; + struct hid_report *report_4; + struct hid_report *mled_report; + struct input_dev *input_dev; + + char *name; + int ready; + int ready2; + u32 keycode[G13_KEYMAP_SIZE]; + u8 rgb[3]; + u8 mled; + u8 curkeymap; + u8 emit_msc_raw; + u8 keymap_switching; + + /* Framebuffer stuff */ + u8 fb_update_rate; + u8 *fb_vbitmap; + u8 *fb_bitmap; + struct fb_info *fb_info; + struct fb_deferred_io fb_defio; + + /* Housekeeping stuff */ + rwlock_t lock; +}; + +/* Convenience macros */ +#define hid_get_g13data(hdev) \ + ((hdev == NULL) ? NULL : (struct g13_data *)(hid_get_drvdata(hdev))) + +#define input_get_hdev(idev) \ + ((idev == NULL) ? NULL : (struct hid_device *)(input_get_drvdata(idev))) + +#define input_get_g13data(idev) (hid_get_g13data(input_get_hdev(idev))) + +static ssize_t g13_set_mled(struct hid_device *hdev, unsigned mled); + +static unsigned int g13_default_key_map[G13_KEYS] = { + /* first row g1 - g7 */ + KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, + /* second row g8 - g11 */ + KEY_UNKNOWN, KEY_UNKNOWN, KEY_BACK, KEY_UP, + /* second row g12 - g13 */ + KEY_FORWARD, KEY_UNKNOWN, KEY_UNKNOWN, + /* third row g15 - g19 */ + KEY_UNKNOWN, KEY_LEFT, KEY_DOWN, KEY_RIGHT, KEY_UNKNOWN, + /* fourth row g20 - g22 */ + KEY_BACKSPACE, KEY_ENTER, KEY_SPACE, + /* next, light left, light center left, light center right, light right */ + BTN_0, BTN_1, BTN_2, BTN_3, BTN_4, + /* M1, M2, M3, MR */ + KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, + /* button left, button down, button stick, light */ + BTN_LEFT, BTN_RIGHT, BTN_MIDDLE, KEY_RESERVED, +}; + +/* Frambuffer visual structures */ +static struct fb_fix_screeninfo g13fb_fix = { + .id = G13FB_NAME, + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_MONO01, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .line_length = G13FB_LINE_LENGTH, + .accel = FB_ACCEL_NONE, +}; + +static struct fb_var_screeninfo g13fb_var = { + .xres = G13FB_WIDTH, + .yres = G13FB_HEIGHT, + .xres_virtual = G13FB_WIDTH, + .yres_virtual = G13FB_HEIGHT, + .bits_per_pixel = 1, + .nonstd = 1, +}; + +/* Send the current framebuffer vbitmap as an interrupt message */ +static int g13_fb_vbitmap_send(struct hid_device *hdev) +{ + struct usb_interface *intf; + struct usb_device *usbdev; + struct g13_data *data = hid_get_g13data(hdev); + + /* Get the usb device to send the image on */ + intf = to_usb_interface(hdev->dev.parent); + usbdev = interface_to_usbdev(intf); + + return usb_interrupt_msg(usbdev, usb_sndintpipe(usbdev, 0x02), + data->fb_vbitmap, G13_VBITMAP_SIZE, + NULL, USB_CTRL_SET_TIMEOUT*2); +} + +/* Update fb_vbitmap from the screen_base and send to the device */ +static void g13_fb_update(struct g13_data *data) +{ + int row; + int col; + int bit; + u8 *u; + size_t offset; + u8 temp; + + /* Clear the vbitmap and set the necessary magic number */ + memset(data->fb_vbitmap, 0x00, G13_VBITMAP_SIZE); + data->fb_vbitmap[0] = 0x03; + + /* + * Translate the XBM format screen_base into the format needed by the + * G13. This format places the pixels in a vertical rather than + * horizontal format. Assuming a grid with 0,0 in the upper left corner + * and 159,42 in the lower right corner, the first byte contains the + * pixels 0,0 through 0,7 and the second byte contains the pixels 1,0 + * through 1,7. Within the byte, bit 0 represents 0,0; bit 1 0,1; etc. + * + * This loop operates in reverse to shift the lower bits into their + * respective positions, shifting the lower rows into the higher bits. + * + * The offset is calculated for every 8 rows and is adjusted by 32 since + * that is what the G13 image message expects. + */ + for (row = G13FB_HEIGHT-1; row >= 0; row--) { + offset = 32 + row/8 * G13FB_WIDTH; + u = data->fb_vbitmap + offset; + /* + * Iterate across the screen_base columns to get the + * individual bits + */ + for (col = 0; col < G13FB_LINE_LENGTH; col++) { + /* + * We will work with a temporary value since we don't + * want to modify screen_base as we shift each bit + * downward. + */ + temp = data->fb_bitmap[row * G13FB_LINE_LENGTH + col]; + + /* + * For each bit in the pixel row we will shift it onto + * the appropriate by by shift the g13 byte up by 1 and + * simply doing a bitwise or of the low byte + */ + for (bit = 0; bit < 8; bit++) { + /*Shift the g13 byte up by 1 for this new row*/ + u[bit] <<= 1; + /* Bring in the new pixel of temp */ + u[bit] |= (temp & 0x01); + /* + * Shift temp down so the low pixel is ready + * for the next byte + */ + temp >>= 1; + } + + /* + * The last byte represented 8 vertical pixels so we'll + * jump ahead 8 + */ + u += 8; + } + } + + /* + * Now that we have translated screen_base into a format expected by + * the g13 let's send out the vbitmap + */ + g13_fb_vbitmap_send(data->hdev); + +} + +/* Callback from deferred IO workqueue */ +static void g13_fb_deferred_io(struct fb_info *info, struct list_head *pagelist) +{ + g13_fb_update(info->par); +} + +/* Stub to call the system default and update the image on the g13 */ +static void g13_fb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + struct g13_data *par = info->par; + + sys_fillrect(info, rect); + + g13_fb_update(par); +} + +/* Stub to call the system default and update the image on the g13 */ +static void g13_fb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + struct g13_data *par = info->par; + + sys_copyarea(info, area); + + g13_fb_update(par); +} + +/* Stub to call the system default and update the image on the g13 */ +static void g13_fb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + struct g13_data *par = info->par; + + sys_imageblit(info, image); + + g13_fb_update(par); +} + +/* + * this is the slow path from userspace. they can seek and write to + * the fb. it's inefficient to do anything less than a full screen draw + */ +static ssize_t g13_fb_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct g13_data *par = info->par; + unsigned long p = *ppos; + void *dst; + int err = 0; + unsigned long total_size; + + if (info->state != FBINFO_STATE_RUNNING) + return -EPERM; + + total_size = info->fix.smem_len; + + if (p > total_size) + return -EFBIG; + + if (count > total_size) { + err = -EFBIG; + count = total_size; + } + + if (count + p > total_size) { + if (!err) + err = -ENOSPC; + + count = total_size - p; + } + + dst = (void __force *)(info->screen_base + p); + + if (copy_from_user(dst, buf, count)) + err = -EFAULT; + + if (!err) + *ppos += count; + + g13_fb_update(par); + + return (err) ? err : count; +} + +static struct fb_ops g13fb_ops = { + .owner = THIS_MODULE, + .fb_read = fb_sys_read, + .fb_write = g13_fb_write, + .fb_fillrect = g13_fb_fillrect, + .fb_copyarea = g13_fb_copyarea, + .fb_imageblit = g13_fb_imageblit, +}; + +/* + * The "fb_node" attribute + */ +static ssize_t g13_fb_node_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + unsigned fb_node; + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + fb_node = data->fb_info->node; + + return sprintf(buf, "%u\n", fb_node); +} + +static DEVICE_ATTR(fb_node, 0444, g13_fb_node_show, NULL); + + +/* + * The "fb_update_rate" attribute + */ +static ssize_t g13_fb_update_rate_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + unsigned fb_update_rate; + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + fb_update_rate = data->fb_update_rate; + + return sprintf(buf, "%u\n", fb_update_rate); +} + +static ssize_t g13_set_fb_update_rate(struct hid_device *hdev, + unsigned fb_update_rate) +{ + struct g13_data *data = hid_get_g13data(hdev); + + if (data == NULL) + return -ENODATA; + + if (fb_update_rate > G13FB_UPDATE_RATE_LIMIT) + data->fb_update_rate = G13FB_UPDATE_RATE_LIMIT; + else if (fb_update_rate == 0) + data->fb_update_rate = 1; + else + data->fb_update_rate = fb_update_rate; + + data->fb_defio.delay = HZ / data->fb_update_rate; + + return 0; +} + +static ssize_t g13_fb_update_rate_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev; + int i; + unsigned u; + ssize_t set_result; + + /* Get the hid associated with the device */ + hdev = container_of(dev, struct hid_device, dev); + + /* If we have an invalid pointer we'll return ENODATA */ + if (hdev == NULL || &(hdev->dev) != dev) + return -ENODATA; + + i = sscanf(buf, "%u", &u); + if (i != 1) { + printk(KERN_ERR "unrecognized input: %s", buf); + return -1; + } + + set_result = g13_set_fb_update_rate(hdev, u); + + if (set_result < 0) + return set_result; + + return count; +} + +static DEVICE_ATTR(fb_update_rate, 0666, + g13_fb_update_rate_show, + g13_fb_update_rate_store); + +static int g13_raw_event(struct hid_device *hdev, + struct hid_report *report, + u8 *raw_data, int size) +{ + /* + * On initialization receive a 258 byte message with + * data = 6 0 255 255 255 255 255 255 255 255 ... + */ + int i; + int mask; + int offset; + u8 val; + struct g13_data *g13data; + g13data = dev_get_drvdata(&hdev->dev); + + if (g13data == NULL) + return 1; + + switch (report->id) { + case 6: + g13data->ready = 1; + break; + case 1: + g13data->ready2 = 1; + + if (g13data->input_dev == NULL) + break; + + if (g13data->curkeymap < 3) + offset = G13_KEYS * g13data->curkeymap; + else + offset = 0; + + for (i = 0, mask = 0x01; i < 8; i++, mask <<= 1) { + /* Keys G1 through G8 */ + if (g13data->keycode[i] != KEY_RESERVED) + input_report_key(g13data->input_dev, + g13data->keycode[i+offset], + raw_data[3] & mask); + input_event(g13data->input_dev, EV_MSC, MSC_SCAN, i); + + /* Keys G9 through G16 */ + if (g13data->keycode[i+8] != KEY_RESERVED) + input_report_key(g13data->input_dev, + g13data->keycode[i+8+offset], + raw_data[4] & mask); + input_event(g13data->input_dev, EV_MSC, MSC_SCAN, i+8); + + /* Keys G17 through G22 */ + if (i <= 5 && g13data->keycode[i+16] != KEY_RESERVED) + input_report_key(g13data->input_dev, + g13data->keycode[i+16+offset], + raw_data[5] & mask); + input_event(g13data->input_dev, EV_MSC, MSC_SCAN, i+16); + + /* Keys FUNC through M3 */ + if (g13data->keycode[i+22] != KEY_RESERVED) + input_report_key(g13data->input_dev, + g13data->keycode[i+22+offset], + raw_data[6] & mask); + input_event(g13data->input_dev, EV_MSC, MSC_SCAN, i+22); + + /* Keys MR through LIGHT */ + if (i <= 4 && g13data->keycode[i+30] != KEY_RESERVED) + input_report_key(g13data->input_dev, + g13data->keycode[i+30+offset], + raw_data[7] & mask); + input_event(g13data->input_dev, EV_MSC, MSC_SCAN, i+30); + } + + if (g13data->emit_msc_raw) { + /* + * Outputs an MSC_RAW value with the low four + * bits = M1-MR, Low bit = M1 + */ + val = raw_data[6] >> 5; + val |= (raw_data[7] & 0x01 << 3); + input_event(g13data->input_dev, EV_MSC, MSC_RAW, val); + } + + if (g13data->keymap_switching) { + if (raw_data[6] & 0x20) { + g13data->curkeymap = 0; + g13_set_mled(hdev, 0x01); + } else if (raw_data[6] & 0x40) { + g13data->curkeymap = 1; + g13_set_mled(hdev, 0x02); + } else if (raw_data[6] & 0x80) { + g13data->curkeymap = 2; + g13_set_mled(hdev, 0x04); + } + } + + input_report_abs(g13data->input_dev, ABS_X, raw_data[1]); + input_report_abs(g13data->input_dev, ABS_Y, raw_data[2]); + input_sync(g13data->input_dev); + + break; + default: + return 0; + } + + return 1; +} + +static void g13_initialize_keymap(struct g13_data *data) +{ + int i; + + write_lock(&data->lock); + + for (i = 0; i < G13_KEYS; i++) { + data->keycode[i] = g13_default_key_map[i]; + set_bit(data->keycode[i], data->input_dev->keybit); + } + + clear_bit(0, data->input_dev->keybit); + + write_unlock(&data->lock); + +} + +static int g13_input_setkeycode(struct input_dev *dev, + int scancode, + int keycode) +{ + int old_keycode; + int i; + struct g13_data *data = input_get_g13data(dev); + + if (data == NULL) + return -EINVAL; + + if (scancode >= dev->keycodemax) + return -EINVAL; + + if (!dev->keycodesize) + return -EINVAL; + + if (dev->keycodesize < sizeof(keycode) && + (keycode >> (dev->keycodesize * 8))) + return -EINVAL; + + write_lock(&data->lock); + + old_keycode = data->keycode[scancode]; + data->keycode[scancode] = keycode; + + clear_bit(old_keycode, dev->keybit); + set_bit(keycode, dev->keybit); + + for (i = 0; i < dev->keycodemax; i++) { + if (data->keycode[i] == old_keycode) { + set_bit(old_keycode, dev->keybit); + break; /* Setting the bit twice is useless, so break */ + } + } + + write_unlock(&data->lock); + + return 0; +} + +static int g13_input_getkeycode(struct input_dev *dev, + int scancode, + int *keycode) +{ + struct g13_data *data = input_get_g13data(dev); + + if (!dev->keycodesize) + return -EINVAL; + + if (scancode >= dev->keycodemax) + return -EINVAL; + + read_lock(&data->lock); + + *keycode = data->keycode[scancode]; + + read_unlock(&data->lock); + + return 0; +} + + +/* + * The "keymap" attribute + */ +static ssize_t g13_keymap_index_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + return sprintf(buf, "%u\n", data->curkeymap); +} + +static ssize_t g13_set_keymap_index(struct hid_device *hdev, unsigned k) +{ + struct g13_data *data = hid_get_g13data(hdev); + + if (data == NULL) + return -ENODATA; + + if (k > 2) + return -EINVAL; + + data->curkeymap = k; + + if (data->keymap_switching) + g13_set_mled(hdev, 1<dev) != dev) + return -ENODATA; + + i = sscanf(buf, "%u", &k); + if (i != 1) { + printk(KERN_ERR "unrecognized input: %s", buf); + return -1; + } + + set_result = g13_set_keymap_index(hdev, k); + + if (set_result < 0) + return set_result; + + return count; +} + +static DEVICE_ATTR(keymap_index, 0666, + g13_keymap_index_show, + g13_keymap_index_store); + +/* + * The "keycode" attribute + */ +static ssize_t g13_keymap_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int i; + int offset = 0; + int result; + + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + for (i = 0; i < G13_KEYMAP_SIZE; i++) { + result = sprintf(buf+offset, + "0x%03x 0x%04x\n", + i, data->keycode[i]); + if (result < 0) + return -EINVAL; + offset += result; + } + + return offset+1; +} + +static ssize_t g13_keymap_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev; + int scanned; + int consumed; + int scancd; + int keycd; + int set_result; + int set = 0; + int gkey; + int index; + int good; + struct g13_data *data; + + /* Get the hid associated with the device */ + hdev = container_of(dev, struct hid_device, dev); + + /* If we have an invalid pointer we'll return ENODATA */ + if (hdev == NULL || &(hdev->dev) != dev) + return -ENODATA; + + /* Now, let's get the data structure */ + data = hid_get_g13data(hdev); + if (data == NULL) + return -ENODATA; + + do { + good = 0; + + /* Look for scancode keycode pair in hex */ + scanned = sscanf(buf, + "%x %x%n", + &scancd, &keycd, &consumed); + if (scanned == 2) { + buf += consumed; + set_result = g13_input_setkeycode(data->input_dev, + scancd, + keycd); + if (set_result < 0) + return set_result; + set++; + good = 1; + } else { + /* + * Look for Gkey keycode pair and assign to current + * keymap + */ + scanned = sscanf(buf, + "G%d %x%n", + &gkey, &keycd, &consumed); + if (scanned == 2 && gkey > 0 && gkey <= G13_KEYS) { + buf += consumed; + scancd = data->curkeymap * G13_KEYS + gkey - 1; + set_result = + g13_input_setkeycode(data->input_dev, + scancd, keycd); + if (set_result < 0) + return set_result; + set++; + good = 1; + } else { + /* + * Look for Gkey-index keycode pair and assign + * to indexed keymap + */ + scanned = sscanf(buf, + "G%d-%d %x%n", + &gkey, + &index, + &keycd, + &consumed); + if (scanned == 3 && + gkey > 0 && gkey <= G13_KEYS && + index >= 0 && index <= 2) { + buf += consumed; + scancd = index * G13_KEYS + gkey - 1; + set_result = + g13_input_setkeycode(data->input_dev, + scancd, keycd); + if (set_result < 0) + return set_result; + set++; + good = 1; + } + } + } + + } while (good); + + if (set == 0) { + printk(KERN_ERR "unrecognized keycode input: %s", buf); + return -1; + } + + return count; +} + +static DEVICE_ATTR(keymap, 0666, g13_keymap_show, g13_keymap_store); + +/* + * The "emit_msc_raw" attribute + */ +static ssize_t g13_emit_msc_raw_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + return sprintf(buf, "%u\n", data->emit_msc_raw); +} + +static ssize_t g13_set_emit_msc_raw(struct hid_device *hdev, unsigned k) +{ + struct g13_data *data = hid_get_g13data(hdev); + + if (data == NULL) + return -ENODATA; + + data->emit_msc_raw = k; + + return 0; +} + +static ssize_t g13_emit_msc_raw_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev; + int i; + unsigned k; + ssize_t set_result; + + /* Get the hid associated with the device */ + hdev = container_of(dev, struct hid_device, dev); + + /* If we have an invalid pointer we'll return ENODATA */ + if (hdev == NULL || &(hdev->dev) != dev) + return -ENODATA; + + i = sscanf(buf, "%u", &k); + if (i != 1) { + printk(KERN_ERR "unrecognized input: %s", buf); + return -1; + } + + set_result = g13_set_emit_msc_raw(hdev, k); + + if (set_result < 0) + return set_result; + + return count; +} + +static DEVICE_ATTR(emit_msc_raw, 0666, + g13_emit_msc_raw_show, + g13_emit_msc_raw_store); + + +/* + * The "keymap_switching" attribute + */ +static ssize_t g13_keymap_switching_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + return sprintf(buf, "%u\n", data->keymap_switching); +} + +static ssize_t g13_set_keymap_switching(struct hid_device *hdev, unsigned k) +{ + struct g13_data *data = hid_get_g13data(hdev); + + if (data == NULL) + return -ENODATA; + + data->keymap_switching = k; + + if (data->keymap_switching) + g13_set_mled(hdev, 1<<(data->curkeymap)); + + return 0; +} + +static ssize_t g13_keymap_switching_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev; + int i; + unsigned k; + ssize_t set_result; + + /* Get the hid associated with the device */ + hdev = container_of(dev, struct hid_device, dev); + + /* If we have an invalid pointer we'll return ENODATA */ + if (hdev == NULL || &(hdev->dev) != dev) + return -ENODATA; + + i = sscanf(buf, "%u", &k); + if (i != 1) { + printk(KERN_ERR "unrecognized input: %s", buf); + return -1; + } + + set_result = g13_set_keymap_switching(hdev, k); + + if (set_result < 0) + return set_result; + + return count; +} + +static DEVICE_ATTR(keymap_switching, 0666, + g13_keymap_switching_show, + g13_keymap_switching_store); + + +static ssize_t g13_name_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct g13_data *data = dev_get_drvdata(dev); + int result; + + if (data == NULL) + return -ENODATA; + + if (data->name == NULL) { + buf[0] = 0x00; + return 1; + } + + read_lock(&data->lock); + result = sprintf(buf, "%s", data->name); + read_unlock(&data->lock); + + return result; +} + +static ssize_t g13_name_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct g13_data *data = dev_get_drvdata(dev); + size_t limit = count; + char *end; + + if (data == NULL) + return -ENODATA; + + write_lock(&data->lock); + + if (data->name != NULL) { + kfree(data->name); + data->name = NULL; + } + + end = strpbrk(buf, "\n\r"); + if (end != NULL) + limit = end - buf; + + if (end != buf) { + + if (limit > 100) + limit = 100; + + data->name = kzalloc(limit+1, GFP_KERNEL); + + strncpy(data->name, buf, limit); + } + + write_unlock(&data->lock); + + return count; +} + +static DEVICE_ATTR(name, 0666, g13_name_show, g13_name_store); + +/* + * The "rgb" attribute + * red green blue + * each with values 0 - 255 (black - full intensity) + */ +static ssize_t g13_rgb_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + unsigned r, g, b; + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + r = data->rgb[0]; + g = data->rgb[1]; + b = data->rgb[2]; + + return sprintf(buf, "%u %u %u\n", r, g, b); +} + +static ssize_t g13_set_rgb(struct hid_device *hdev, + unsigned r, unsigned g, unsigned b) +{ + struct g13_data *data = hid_get_g13data(hdev); + + if (data == NULL || data->backlight_report == NULL) + return -ENODATA; + + data->backlight_report->field[0]->value[0] = r; + data->backlight_report->field[0]->value[1] = g; + data->backlight_report->field[0]->value[2] = b; + data->backlight_report->field[0]->value[3] = 0x00; + + usbhid_submit_report(hdev, data->backlight_report, USB_DIR_OUT); + + data->rgb[0] = r; + data->rgb[1] = g; + data->rgb[2] = b; + + return 0; +} + +static ssize_t g13_rgb_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev; + int i; + unsigned r; + unsigned g; + unsigned b; + ssize_t set_result; + + /* Get the hid associated with the device */ + hdev = container_of(dev, struct hid_device, dev); + + /* If we have an invalid pointer we'll return ENODATA */ + if (hdev == NULL || &(hdev->dev) != dev) + return -ENODATA; + + i = sscanf(buf, "%u %u %u", &r, &g, &b); + if (i != 3) { + printk(KERN_ERR "unrecognized input: %s", buf); + return -1; + } + + set_result = g13_set_rgb(hdev, r, g, b); + + if (set_result < 0) + return set_result; + + return count; +} + +static DEVICE_ATTR(rgb, 0666, g13_rgb_show, g13_rgb_store); + +/* + * The "mled" attribute + * on or off for each of the four M led's (M1 M2 M3 MR) + */ +static ssize_t g13_mled_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + unsigned mled; + struct g13_data *data = dev_get_drvdata(dev); + + if (data == NULL) + return -ENODATA; + + mled = data->mled; + + return sprintf(buf, "%u\n", mled); +} + +static ssize_t g13_set_mled(struct hid_device *hdev, unsigned mled) +{ + struct g13_data *data = hid_get_g13data(hdev); + + if (data == NULL || data->mled_report == NULL) + return -ENODATA; + + data->mled_report->field[0]->value[0] = mled&0x0F; + data->mled_report->field[0]->value[1] = 0x00; + data->mled_report->field[0]->value[2] = 0x00; + data->mled_report->field[0]->value[3] = 0x00; + + usbhid_submit_report(hdev, data->mled_report, USB_DIR_OUT); + + data->mled = mled; + + return 0; +} + +static ssize_t g13_mled_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev; + int i; + unsigned m[4]; + unsigned mled; + ssize_t set_result; + + /* Get the hid associated with the device */ + hdev = container_of(dev, struct hid_device, dev); + + /* If we have an invalid pointer we'll return ENODATA */ + if (hdev == NULL || &(hdev->dev) != dev) + return -ENODATA; + + i = sscanf(buf, "%u %u %u %u", m, m+1, m+2, m+3); + if (!(i == 4 || i == 1)) { + printk(KERN_ERR "unrecognized input: %s", buf); + return -1; + } + + if (i == 1) + mled = m[0]; + else + mled = (m[0] ? 1 : 0) | (m[1] ? 2 : 0) | + (m[2] ? 4 : 0) | (m[3] ? 8 : 0); + + set_result = g13_set_mled(hdev, mled); + + if (set_result < 0) + return set_result; + + return count; +} + +static DEVICE_ATTR(mled, 0666, g13_mled_show, g13_mled_store); + +/* + * Create a group of attributes so that we can create and destroy them all + * at once. + */ +static struct attribute *g13_attrs[] = { + &dev_attr_name.attr, + &dev_attr_rgb.attr, + &dev_attr_mled.attr, + &dev_attr_keymap_index.attr, + &dev_attr_emit_msc_raw.attr, + &dev_attr_keymap_switching.attr, + &dev_attr_keymap.attr, + &dev_attr_fb_update_rate.attr, + &dev_attr_fb_node.attr, + NULL, /* need to NULL terminate the list of attributes */ +}; + +/* + * An unnamed attribute group will put all of the attributes directly in + * the kobject directory. If we specify a name, a subdirectory will be + * created for the attributes with the directory being the name of the + * attribute group. + */ +static struct attribute_group g13_attr_group = { + .attrs = g13_attrs, +}; + +static struct fb_deferred_io g13_fb_defio = { + .delay = HZ / G13FB_UPDATE_RATE_DEFAULT, + .deferred_io = g13_fb_deferred_io, +}; + +static int g13_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int error; + struct g13_data *data; + int i; + struct list_head *feature_report_list = + &hdev->report_enum[HID_FEATURE_REPORT].report_list; + struct hid_report *report; + + dev_dbg(&hdev->dev, "Logitech G13 HID hardware probe..."); + + /* + * Let's allocate the g13 data structure, set some reasonable + * defaults, and associate it with the device + */ + data = kzalloc(sizeof(struct g13_data), GFP_KERNEL); + if (data == NULL) { + dev_err(&hdev->dev, + "can't allocate space for Logitech G13 device attributes\n"); + error = -ENOMEM; + goto err_no_cleanup; + } + + rwlock_init(&data->lock); + + data->hdev = hdev; + + data->fb_bitmap = vmalloc(G13FB_SIZE); + if (data->fb_bitmap == NULL) { + dev_err(&hdev->dev, + G13_NAME + ": ERROR: can't get a free page for framebuffer\n"); + error = -ENOMEM; + goto err_cleanup_data; + } + memcpy(data->fb_bitmap, g13_lcd_bits, G13FB_SIZE); + + data->fb_vbitmap = kmalloc(sizeof(u8) * G13_VBITMAP_SIZE, GFP_KERNEL); + if (data->fb_vbitmap == NULL) { + dev_err(&hdev->dev, + G13_NAME + ": ERROR: can't alloc vbitmap image buffer (%i bytes)\n", + G13_VBITMAP_SIZE); + error = -ENOMEM; + goto err_cleanup_fb_bitmap; + } + + hid_set_drvdata(hdev, data); + + dbg_hid("Preparing to parse " G13_NAME " hid reports\n"); + + /* Parse the device reports and start it up */ + error = hid_parse(hdev); + if (error) { + dev_err(&hdev->dev, G13_NAME " device report parse failed\n"); + error = -EINVAL; + goto err_cleanup_fb_vbitmap; + } + + mdelay(10); + + error = hid_hw_start(hdev, + HID_CONNECT_DEFAULT | HID_CONNECT_HIDINPUT_FORCE); + if (error) { + dev_err(&hdev->dev, G13_NAME " hardware start failed\n"); + error = -EINVAL; + goto err_cleanup_fb_vbitmap; + } + + dbg_hid(G13_NAME " claimed: %d\n", hdev->claimed); + + error = hdev->ll_driver->open(hdev); + if (error) { + dev_err(&hdev->dev, + G13_NAME + " failed to open input interrupt pipe for key and " + "joystick events\n"); + error = -EINVAL; + goto err_cleanup_fb_vbitmap; + } + + /* Set up the input device for the key I/O */ + data->input_dev = input_allocate_device(); + if (data->input_dev == NULL) { + dev_err(&hdev->dev, + G13_NAME " error initializing the input device"); + error = -ENOMEM; + goto err_cleanup_fb_vbitmap; + } + + input_set_drvdata(data->input_dev, hdev); + + data->input_dev->name = G13_NAME; + data->input_dev->phys = hdev->phys; + data->input_dev->uniq = hdev->uniq; + data->input_dev->id.bustype = hdev->bus; + data->input_dev->id.vendor = hdev->vendor; + data->input_dev->id.product = hdev->product; + data->input_dev->id.version = hdev->version; + data->input_dev->dev.parent = hdev->dev.parent; + data->input_dev->keycode = data->keycode; + data->input_dev->keycodemax = G13_KEYMAP_SIZE; + data->input_dev->keycodesize = sizeof(u32); + data->input_dev->setkeycode = g13_input_setkeycode; + data->input_dev->getkeycode = g13_input_getkeycode; + + input_set_capability(data->input_dev, EV_ABS, ABS_X); + input_set_capability(data->input_dev, EV_ABS, ABS_Y); + input_set_capability(data->input_dev, EV_MSC, MSC_SCAN); + input_set_capability(data->input_dev, EV_KEY, KEY_UNKNOWN); + data->input_dev->evbit[0] |= BIT_MASK(EV_REP); + + /* 4 center values */ + input_set_abs_params(data->input_dev, ABS_X, 0, 0xff, 0, 4); + input_set_abs_params(data->input_dev, ABS_Y, 0, 0xff, 0, 4); + + g13_initialize_keymap(data); + + error = input_register_device(data->input_dev); + if (error) { + dev_err(&hdev->dev, + G13_NAME " error registering the input device"); + error = -EINVAL; + goto err_cleanup_input_dev; + } + + /* Set up the framebuffer device */ + data->fb_update_rate = G13FB_UPDATE_RATE_DEFAULT; + data->fb_info = framebuffer_alloc(0, &hdev->dev); + if (data->fb_info == NULL) { + dev_err(&hdev->dev, + G13_NAME " failed to allocate a framebuffer\n"); + goto err_cleanup_input_dev; + } + + dbg_hid(KERN_INFO G13_NAME " allocated framebuffer\n"); + + data->fb_defio = g13_fb_defio; + data->fb_info->fbdefio = &data->fb_defio; + + dbg_hid(KERN_INFO G13_NAME " allocated deferred IO structure\n"); + + data->fb_info->screen_base = (char __force __iomem *) data->fb_bitmap; + data->fb_info->fbops = &g13fb_ops; + data->fb_info->var = g13fb_var; + data->fb_info->fix = g13fb_fix; + data->fb_info->fix.smem_len = G13FB_SIZE; + data->fb_info->par = data; + data->fb_info->flags = FBINFO_FLAG_DEFAULT; + + fb_deferred_io_init(data->fb_info); + + if (register_framebuffer(data->fb_info) < 0) + goto err_cleanup_fb; + + /* Add the sysfs attributes */ + error = sysfs_create_group(&(hdev->dev.kobj), &g13_attr_group); + if (error) { + dev_err(&hdev->dev, + "Logitech G13 failed to create sysfs group attributes\n"); + goto err_cleanup_fb; + } + + dbg_hid("Waiting for G13 to activate\n"); + + if (list_empty(feature_report_list)) { + dev_err(&hdev->dev, "no feature report found\n"); + error = -ENODEV; + goto err_cleanup_fb; + } + dbg_hid("G13 feature report found\n"); + + list_for_each_entry(report, feature_report_list, list) { + switch (report->id) { + case 0x04: + data->report_4 = report; + break; + case 0x05: + data->mled_report = report; + break; + case 0x06: + data->start_input_report = report; + break; + case 0x07: + data->backlight_report = report; + break; + default: + break; + } + dbg_hid("G13 Feature report: id=%u type=%u size=%u maxfield=%u" + " report_count=%u\n", + report->id, report->type, report->size, + report->maxfield, report->field[0]->report_count); + } + + dbg_hid("Found all reports\n"); + + for (i = 0; i < 20; i++) { + if (data->ready && data->ready2) + break; + mdelay(10); + } + + if (!(data->ready && data->ready2)) + printk(KERN_ERR + "G13 hasn't responded yet, " + "forging ahead with initialization\n"); + else + dbg_hid("G13 initialized\n"); + + /* + * Set the initial color and load the linux logo + * We're going to ignore the error values. If there is an error at this + * point we'll forge ahead. + */ + + dbg_hid("Set default color\n"); + + error = g13_set_rgb(hdev, + G13_DEFAULT_RED, + G13_DEFAULT_GREEN, + G13_DEFAULT_BLUE); + + usbhid_submit_report(hdev, data->start_input_report, USB_DIR_IN); + + g13_fb_update(data); + + dbg_hid("G13 activated and initialized\n"); + + /* Everything went well */ + return 0; + +err_cleanup_fb: + framebuffer_release(data->fb_info); + +err_cleanup_input_dev: + input_free_device(data->input_dev); + +err_cleanup_fb_vbitmap: + kfree(data->fb_vbitmap); + +err_cleanup_fb_bitmap: + vfree(data->fb_bitmap); + +err_cleanup_data: + /* Make sure we clean up the allocated data structure */ + kfree(data); + +err_no_cleanup: + + hid_set_drvdata(hdev, NULL); + + return error; +} + +static void g13_remove(struct hid_device *hdev) +{ + struct g13_data *data; + + hdev->ll_driver->close(hdev); + + hid_hw_stop(hdev); + + /* Get the internal g13 data buffer */ + data = hid_get_drvdata(hdev); + + /* Clean up the buffer */ + if (data != NULL) { + write_lock(&data->lock); + input_unregister_device(data->input_dev); + kfree(data->name); + write_unlock(&data->lock); + if (data->fb_info != NULL) { + fb_deferred_io_cleanup(data->fb_info); + unregister_framebuffer(data->fb_info); + framebuffer_release(data->fb_info); + } + vfree(data->fb_bitmap); + kfree(data->fb_vbitmap); + kfree(data); + } + +} + +static const struct hid_device_id g13_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G13) + }, + { } +}; +MODULE_DEVICE_TABLE(hid, g13_devices); + +static struct hid_driver g13_driver = { + .name = "hid-g13", + .id_table = g13_devices, + .probe = g13_probe, + .remove = g13_remove, + .raw_event = g13_raw_event, +}; + +static int __init g13_init(void) +{ + return hid_register_driver(&g13_driver); +} + +static void __exit g13_exit(void) +{ + hid_unregister_driver(&g13_driver); +} + +module_init(g13_init); +module_exit(g13_exit); +MODULE_DESCRIPTION("Logitech G13 HID Driver"); +MODULE_AUTHOR("Rick L Vinyard Jr (rvinyard@cs.nmsu.edu)"); +MODULE_LICENSE("GPL"); diff -puN drivers/hid/hid-ids.h~hid-logitech-g13-driver-002 drivers/hid/hid-ids.h --- a/drivers/hid/hid-ids.h~hid-logitech-g13-driver-002 +++ a/drivers/hid/hid-ids.h @@ -295,6 +295,7 @@ #define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2 0xc218 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2 0xc219 +#define USB_DEVICE_ID_LOGITECH_G13 0xc21c #define USB_DEVICE_ID_LOGITECH_WINGMAN_F3D 0xc283 #define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286 #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294