From patchwork Tue Jan 18 05:02:20 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guan Xuetao X-Patchwork-Id: 485341 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p0I52dF2004847 for ; Tue, 18 Jan 2011 05:02:39 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750808Ab1ARFCg (ORCPT ); Tue, 18 Jan 2011 00:02:36 -0500 Received: from mprc.pku.edu.cn ([162.105.203.9]:52542 "EHLO mprc.pku.edu.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750767Ab1ARFCf (ORCPT ); Tue, 18 Jan 2011 00:02:35 -0500 Received: from EpipPC ([162.105.80.111]) (authenticated bits=0) by mprc.pku.edu.cn (8.13.8/8.13.8) with ESMTP id p0I5DgxM010966; Tue, 18 Jan 2011 13:13:42 +0800 From: "Guan Xuetao" To: "'Dmitry Torokhov'" Cc: Subject: [PATCHv3] i8042 driver for unicore32 architecture Date: Tue, 18 Jan 2011 13:02:20 +0800 Message-ID: <012701cbb6cc$e2f32400$a8d96c00$@mprc.pku.edu.cn> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: Acu2zKeQ4Gy1bTexRMONfZKiMKJ7hg== Content-Language: zh-cn Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Tue, 18 Jan 2011 05:02:39 +0000 (UTC) diff --git a/drivers/input/serio/i8042-unicore32io.h b/drivers/input/serio/i8042-unicore32io.h new file mode 100644 index 0000000..6a7e8b3 --- /dev/null +++ b/drivers/input/serio/i8042-unicore32io.h @@ -0,0 +1,70 @@ +/* + * Code specific to PKUnity SoC and UniCore ISA + * + * Maintained by GUAN Xue-tao + * Copyright (C) 2001-2011 Guan Xuetao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _I8042_UNICORE32_H +#define _I8042_UNICORE32_H + +#include + +/* + * Names. + */ +#define I8042_KBD_PHYS_DESC "isa0060/serio0" +#define I8042_AUX_PHYS_DESC "isa0060/serio1" +#define I8042_MUX_PHYS_DESC "isa0060/serio%d" + +/* + * IRQs. + */ +#define I8042_KBD_IRQ IRQ_PS2_KBD +#define I8042_AUX_IRQ IRQ_PS2_AUX + +/* + * Register numbers. + */ +#define I8042_COMMAND_REG ((unsigned long)&PS2_COMMAND) +#define I8042_STATUS_REG ((unsigned long)&PS2_STATUS) +#define I8042_DATA_REG ((unsigned long)&PS2_DATA) + +static inline int i8042_read_data(void) +{ + return inb(I8042_DATA_REG); +} + +static inline int i8042_read_status(void) +{ + return inb(I8042_STATUS_REG); +} + +static inline void i8042_write_data(int val) +{ + outb(val, I8042_DATA_REG); +} + +static inline void i8042_write_command(int val) +{ + outb(val, I8042_COMMAND_REG); +} + +static inline int i8042_platform_init(void) +{ + if (!request_region(I8042_DATA_REG, 16, "i8042")) + return -EBUSY; + + i8042_reset = 1; + return 0; +} + +static inline void i8042_platform_exit(void) +{ + release_region(I8042_DATA_REG, 16); +} + +#endif /* _I8042_UNICORE32_H */ diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h index cbc1beb..e0fe4af 100644 --- a/drivers/input/serio/i8042.h +++ b/drivers/input/serio/i8042.h @@ -26,6 +26,8 @@ #include "i8042-sparcio.h" #elif defined(CONFIG_X86) || defined(CONFIG_IA64) #include "i8042-x86ia64io.h" +#elif defined(CONFIG_UNICORE32) +#include "i8042-unicore32io.h" #else #include "i8042-io.h" #endif