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OpenCloudOS-Kernel/include/linux/platform_data/ams-delta-fiq.h

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ARM: OMAP1: Get rid of <mach/ams-delta-fiq.h> Split the header file into two parts and move them to directories where they belong. Information on internal structure of FIQ buffer is moved to <linux/platform_data/ams-delta-fiq.h> for ams-delta-serio driver use. Other information used by ams-delta board init file and FIQ code is made local to mach-omap1 root directory. Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-06-22 06:41:26 +08:00
/* SPDX-License-Identifier: GPL-2.0 */
OMAP1: Amstrad Delta: add FIQ handler for serial keyboardport interrupt processing This patch introduces a Fast Interrupt Request (FIQ) handler for Amstrad Delta (E3) videophone. The handler's purpose is to process interrupts generated by a GPIO line that a serial keyboard clock hangs off. It collects consecutive bits into words, pushing them into a buffer, then requests a higher level interrupt after one or more words are ready for further processing by a keyboard port driver. The handler also processes interrupts generated by two other GPIO lines, used by other on-board supported devices, by simply requesting a higher level interrupt, that in turn should invoke those device's specific irq handlers. IRQ12 line, not used by OMAP1510 hardware (described as reserved), has been choosen as a higher level interrupt source. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-04-28 09:01:29 +08:00
/*
ARM: OMAP1: Get rid of <mach/ams-delta-fiq.h> Split the header file into two parts and move them to directories where they belong. Information on internal structure of FIQ buffer is moved to <linux/platform_data/ams-delta-fiq.h> for ams-delta-serio driver use. Other information used by ams-delta board init file and FIQ code is made local to mach-omap1 root directory. Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-06-22 06:41:26 +08:00
* include/linux/platform_data/ams-delta-fiq.h
OMAP1: Amstrad Delta: add FIQ handler for serial keyboardport interrupt processing This patch introduces a Fast Interrupt Request (FIQ) handler for Amstrad Delta (E3) videophone. The handler's purpose is to process interrupts generated by a GPIO line that a serial keyboard clock hangs off. It collects consecutive bits into words, pushing them into a buffer, then requests a higher level interrupt after one or more words are ready for further processing by a keyboard port driver. The handler also processes interrupts generated by two other GPIO lines, used by other on-board supported devices, by simply requesting a higher level interrupt, that in turn should invoke those device's specific irq handlers. IRQ12 line, not used by OMAP1510 hardware (described as reserved), has been choosen as a higher level interrupt source. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-04-28 09:01:29 +08:00
*
* Taken from the original Amstrad modifications to fiq.h
*
* Copyright (c) 2004 Amstrad Plc
* Copyright (c) 2006 Matt Callow
* Copyright (c) 2010 Janusz Krzysztofik
*
* 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.
*/
ARM: OMAP1: Get rid of <mach/ams-delta-fiq.h> Split the header file into two parts and move them to directories where they belong. Information on internal structure of FIQ buffer is moved to <linux/platform_data/ams-delta-fiq.h> for ams-delta-serio driver use. Other information used by ams-delta board init file and FIQ code is made local to mach-omap1 root directory. Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-06-22 06:41:26 +08:00
#ifndef __LINUX_PLATFORM_DATA_AMS_DELTA_FIQ_H
#define __LINUX_PLATFORM_DATA_AMS_DELTA_FIQ_H
OMAP1: Amstrad Delta: add FIQ handler for serial keyboardport interrupt processing This patch introduces a Fast Interrupt Request (FIQ) handler for Amstrad Delta (E3) videophone. The handler's purpose is to process interrupts generated by a GPIO line that a serial keyboard clock hangs off. It collects consecutive bits into words, pushing them into a buffer, then requests a higher level interrupt after one or more words are ready for further processing by a keyboard port driver. The handler also processes interrupts generated by two other GPIO lines, used by other on-board supported devices, by simply requesting a higher level interrupt, that in turn should invoke those device's specific irq handlers. IRQ12 line, not used by OMAP1510 hardware (described as reserved), has been choosen as a higher level interrupt source. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-04-28 09:01:29 +08:00
/*
Fix common misspellings Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 09:57:33 +08:00
* These are the offsets from the beginning of the fiq_buffer. They are put here
OMAP1: Amstrad Delta: add FIQ handler for serial keyboardport interrupt processing This patch introduces a Fast Interrupt Request (FIQ) handler for Amstrad Delta (E3) videophone. The handler's purpose is to process interrupts generated by a GPIO line that a serial keyboard clock hangs off. It collects consecutive bits into words, pushing them into a buffer, then requests a higher level interrupt after one or more words are ready for further processing by a keyboard port driver. The handler also processes interrupts generated by two other GPIO lines, used by other on-board supported devices, by simply requesting a higher level interrupt, that in turn should invoke those device's specific irq handlers. IRQ12 line, not used by OMAP1510 hardware (described as reserved), has been choosen as a higher level interrupt source. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-04-28 09:01:29 +08:00
* since the buffer and header need to be accessed by drivers servicing devices
* which generate GPIO interrupts - e.g. keyboard, modem, hook switch.
*/
#define FIQ_MASK 0
#define FIQ_STATE 1
#define FIQ_KEYS_CNT 2
#define FIQ_TAIL_OFFSET 3
#define FIQ_HEAD_OFFSET 4
#define FIQ_BUF_LEN 5
#define FIQ_KEY 6
#define FIQ_MISSED_KEYS 7
#define FIQ_BUFFER_START 8
#define FIQ_GPIO_INT_MASK 9
#define FIQ_KEYS_HICNT 10
#define FIQ_IRQ_PEND 11
#define FIQ_SIR_CODE_L1 12
#define IRQ_SIR_CODE_L2 13
#define FIQ_CNT_INT_00 14
#define FIQ_CNT_INT_KEY 15
#define FIQ_CNT_INT_MDM 16
#define FIQ_CNT_INT_03 17
#define FIQ_CNT_INT_HSW 18
#define FIQ_CNT_INT_05 19
#define FIQ_CNT_INT_06 20
#define FIQ_CNT_INT_07 21
#define FIQ_CNT_INT_08 22
#define FIQ_CNT_INT_09 23
#define FIQ_CNT_INT_10 24
#define FIQ_CNT_INT_11 25
#define FIQ_CNT_INT_12 26
#define FIQ_CNT_INT_13 27
#define FIQ_CNT_INT_14 28
#define FIQ_CNT_INT_15 29
#define FIQ_CIRC_BUFF 30 /*Start of circular buffer */
#endif