[1/6] ARM: S3C24XX: move s3c244x irq init to common irq code

Message ID	201302060011.59945.heiko@sntech.de (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-samsung-soc-owner@vger.kernel.org> From: Heiko =?utf-8?q?St=C3=BCbner?= <heiko@sntech.de> To: Kukjin Kim <kgene.kim@samsung.com> Subject: [PATCH 1/6] ARM: S3C24XX: move s3c244x irq init to common irq code Date: Wed, 6 Feb 2013 00:11:59 +0100 User-Agent: KMail/1.13.7 (Linux/3.2.0-3-686-pae; KDE/4.8.4; i686; ; ) Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org References: <201302060010.53929.heiko@sntech.de> In-Reply-To: <201302060010.53929.heiko@sntech.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201302060011.59945.heiko@sntech.de> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk

diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index af53d27..051b8f9 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -33,7 +33,7 @@ obj-$(CONFIG_S3C2416_PM) += pm-s3c2416.o obj-$(CONFIG_CPU_S3C2440) += s3c2440.o irq-s3c2440.o clock-s3c2440.o obj-$(CONFIG_CPU_S3C2442) += s3c2442.o -obj-$(CONFIG_CPU_S3C244X) += s3c244x.o irq-s3c244x.o clock-s3c244x.o +obj-$(CONFIG_CPU_S3C244X) += s3c244x.o clock-s3c244x.o obj-$(CONFIG_S3C2440_CPUFREQ) += cpufreq-s3c2440.o obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o obj-$(CONFIG_S3C2440_PLL_12000000) += pll-s3c2440-12000000.o diff --git a/arch/arm/mach-s3c24xx/irq-s3c244x.c b/arch/arm/mach-s3c24xx/irq-s3c244x.c deleted file mode 100644 index 5fe8e58..0000000 --- a/arch/arm/mach-s3c24xx/irq-s3c244x.c +++ /dev/null @@ -1,142 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/s3c244x-irq.c - * - * Copyright (c) 2003-2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/device.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/irq.h> - -#include <asm/mach/irq.h> - -#include <mach/regs-irq.h> -#include <mach/regs-gpio.h> - -#include <plat/cpu.h> -#include <plat/pm.h> -#include <plat/irq.h> - -/* camera irq */ - -static void s3c_irq_demux_cam(unsigned int irq, - struct irq_desc *desc) -{ - unsigned int subsrc, submsk; - - /* read the current pending interrupts, and the mask - * for what it is available */ - - subsrc = __raw_readl(S3C2410_SUBSRCPND); - submsk = __raw_readl(S3C2410_INTSUBMSK); - - subsrc &= ~submsk; - subsrc >>= 11; - subsrc &= 3; - - if (subsrc != 0) { - if (subsrc & 1) { - generic_handle_irq(IRQ_S3C2440_CAM_C); - } - if (subsrc & 2) { - generic_handle_irq(IRQ_S3C2440_CAM_P); - } - } -} - -#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0)) - -static void -s3c_irq_cam_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_CAM, 3 << 11); -} - -static void -s3c_irq_cam_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_CAM); -} - -static void -s3c_irq_cam_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_CAM, 3 << 11); -} - -static struct irq_chip s3c_irq_cam = { - .irq_mask = s3c_irq_cam_mask, - .irq_unmask = s3c_irq_cam_unmask, - .irq_ack = s3c_irq_cam_ack, -}; - -static int s3c244x_irq_add(struct device *dev, struct subsys_interface *sif) -{ - unsigned int irqno; - - irq_set_chip_and_handler(IRQ_NFCON, &s3c_irq_level_chip, - handle_level_irq); - set_irq_flags(IRQ_NFCON, IRQF_VALID); - - /* add chained handler for camera */ - - irq_set_chip_and_handler(IRQ_CAM, &s3c_irq_level_chip, - handle_level_irq); - irq_set_chained_handler(IRQ_CAM, s3c_irq_demux_cam); - - for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) { - irq_set_chip_and_handler(irqno, &s3c_irq_cam, - handle_level_irq); - set_irq_flags(irqno, IRQF_VALID); - } - - return 0; -} - -static struct subsys_interface s3c2440_irq_interface = { - .name = "s3c2440_irq", - .subsys = &s3c2440_subsys, - .add_dev = s3c244x_irq_add, -}; - -static int s3c2440_irq_init(void) -{ - return subsys_interface_register(&s3c2440_irq_interface); -} - -arch_initcall(s3c2440_irq_init); - -static struct subsys_interface s3c2442_irq_interface = { - .name = "s3c2442_irq", - .subsys = &s3c2442_subsys, - .add_dev = s3c244x_irq_add, -}; - - -static int s3c2442_irq_init(void) -{ - return subsys_interface_register(&s3c2442_irq_interface); -} - -arch_initcall(s3c2442_irq_init); diff --git a/arch/arm/mach-s3c24xx/irq.c b/arch/arm/mach-s3c24xx/irq.c index cb9f5e0..95f971f 100644 --- a/arch/arm/mach-s3c24xx/irq.c +++ b/arch/arm/mach-s3c24xx/irq.c @@ -731,6 +731,111 @@ void __init s3c2416_init_irq(void) #endif +#ifdef CONFIG_CPU_S3C244X +/* camera irq */ + +static void s3c_irq_demux_cam(unsigned int irq, + struct irq_desc *desc) +{ + unsigned int subsrc, submsk; + + /* read the current pending interrupts, and the mask + * for what it is available */ + + subsrc = __raw_readl(S3C2410_SUBSRCPND); + submsk = __raw_readl(S3C2410_INTSUBMSK); + + subsrc &= ~submsk; + subsrc >>= 11; + subsrc &= 3; + + if (subsrc != 0) { + if (subsrc & 1) { + generic_handle_irq(IRQ_S3C2440_CAM_C); + } + if (subsrc & 2) { + generic_handle_irq(IRQ_S3C2440_CAM_P); + } + } +} + +#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0)) + +static void +s3c_irq_cam_mask(struct irq_data *data) +{ + s3c_irqsub_mask(data->irq, INTMSK_CAM, 3 << 11); +} + +static void +s3c_irq_cam_unmask(struct irq_data *data) +{ + s3c_irqsub_unmask(data->irq, INTMSK_CAM); +} + +static void +s3c_irq_cam_ack(struct irq_data *data) +{ + s3c_irqsub_maskack(data->irq, INTMSK_CAM, 3 << 11); +} + +static struct irq_chip s3c_irq_cam = { + .irq_mask = s3c_irq_cam_mask, + .irq_unmask = s3c_irq_cam_unmask, + .irq_ack = s3c_irq_cam_ack, +}; + +static int s3c244x_irq_add(struct device *dev, struct subsys_interface *sif) +{ + unsigned int irqno; + + irq_set_chip_and_handler(IRQ_NFCON, &s3c_irq_level_chip, + handle_level_irq); + set_irq_flags(IRQ_NFCON, IRQF_VALID); + + /* add chained handler for camera */ + + irq_set_chip_and_handler(IRQ_CAM, &s3c_irq_level_chip, + handle_level_irq); + irq_set_chained_handler(IRQ_CAM, s3c_irq_demux_cam); + + for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) { + irq_set_chip_and_handler(irqno, &s3c_irq_cam, + handle_level_irq); + set_irq_flags(irqno, IRQF_VALID); + } + + return 0; +} + +static struct subsys_interface s3c2440_irq_interface = { + .name = "s3c2440_irq", + .subsys = &s3c2440_subsys, + .add_dev = s3c244x_irq_add, +}; + +static int s3c2440_irq_init(void) +{ + return subsys_interface_register(&s3c2440_irq_interface); +} + +arch_initcall(s3c2440_irq_init); + +static struct subsys_interface s3c2442_irq_interface = { + .name = "s3c2442_irq", + .subsys = &s3c2442_subsys, + .add_dev = s3c244x_irq_add, +}; + + +static int s3c2442_irq_init(void) +{ + return subsys_interface_register(&s3c2442_irq_interface); +} + +arch_initcall(s3c2442_irq_init); +#endif + #ifdef CONFIG_CPU_S3C2443 static struct s3c_irq_data init_s3c2443base[32] = { { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */

[1/6] ARM: S3C24XX: move s3c244x irq init to common irq code

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