/* linux/arch/arm/plat-samsung/include/plat/irqs.h * * Copyright (c) 2009 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * S5P Common IRQ support * * 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 __PLAT_SAMSUNG_IRQS_H #define __PLAT_SAMSUNG_IRQS_H __FILE__ /* we keep the first set of CPU IRQs out of the range of * the ISA space, so that the PC104 has them to itself * and we don't end up having to do horrible things to the * standard ISA drivers.... * * note, since we're using the VICs, our start must be a * mulitple of 32 to allow the common code to work */ #define S5P_IRQ_OFFSET (32) #define S5P_IRQ(x) ((x) + S5P_IRQ_OFFSET) #define S5P_VIC0_BASE S5P_IRQ(0) #define S5P_VIC1_BASE S5P_IRQ(32) #define S5P_VIC2_BASE S5P_IRQ(64) #define S5P_VIC3_BASE S5P_IRQ(96) #define VIC_BASE(x) (S5P_VIC0_BASE + ((x)*32)) #define IRQ_VIC0_BASE S5P_VIC0_BASE #define IRQ_VIC1_BASE S5P_VIC1_BASE #define IRQ_VIC2_BASE S5P_VIC2_BASE /* UART interrupts, each UART has 4 intterupts per channel so * use the space between the ISA and S3C main interrupts. Note, these * are not in the same order as the S3C24XX series! */ #define IRQ_S5P_UART_BASE0 (16) #define IRQ_S5P_UART_BASE1 (20) #define IRQ_S5P_UART_BASE2 (24) #define IRQ_S5P_UART_BASE3 (28) #define UART_IRQ_RXD (0) #define UART_IRQ_ERR (1) #define UART_IRQ_TXD (2) #define IRQ_S5P_UART_RX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_RXD) #define IRQ_S5P_UART_TX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_TXD) #define IRQ_S5P_UART_ERR0 (IRQ_S5P_UART_BASE0 + UART_IRQ_ERR) #define IRQ_S5P_UART_RX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_RXD) #define IRQ_S5P_UART_TX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_TXD) #define IRQ_S5P_UART_ERR1 (IRQ_S5P_UART_BASE1 + UART_IRQ_ERR) #define IRQ_S5P_UART_RX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_RXD) #define IRQ_S5P_UART_TX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_TXD) #define IRQ_S5P_UART_ERR2 (IRQ_S5P_UART_BASE2 + UART_IRQ_ERR) #define IRQ_S5P_UART_RX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_RXD) #define IRQ_S5P_UART_TX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_TXD) #define IRQ_S5P_UART_ERR3 (IRQ_S5P_UART_BASE3 + UART_IRQ_ERR) /* S3C compatibilty defines */ #define IRQ_S3CUART_RX0 IRQ_S5P_UART_RX0 #define IRQ_S3CUART_RX1 IRQ_S5P_UART_RX1 #define IRQ_S3CUART_RX2 IRQ_S5P_UART_RX2 #define IRQ_S3CUART_RX3 IRQ_S5P_UART_RX3 /* VIC based IRQs */ #define S5P_IRQ_VIC0(x) (S5P_VIC0_BASE + (x)) #define S5P_IRQ_VIC1(x) (S5P_VIC1_BASE + (x)) #define S5P_IRQ_VIC2(x) (S5P_VIC2_BASE + (x)) #define S5P_IRQ_VIC3(x) (S5P_VIC3_BASE + (x)) #define S5P_TIMER_IRQ(x) (11 + (x)) #define IRQ_TIMER0 S5P_TIMER_IRQ(0) #define IRQ_TIMER1 S5P_TIMER_IRQ(1) #define IRQ_TIMER2 S5P_TIMER_IRQ(2) #define IRQ_TIMER3 S5P_TIMER_IRQ(3) #define IRQ_TIMER4 S5P_TIMER_IRQ(4) #define IRQ_EINT(x) ((x) < 16 ? ((x) + S5P_EINT_BASE1) \ : ((x) - 16 + S5P_EINT_BASE2)) #define EINT_OFFSET(irq) ((irq) < S5P_EINT_BASE2 ? \ ((irq) - S5P_EINT_BASE1) : \ ((irq) + 16 - S5P_EINT_BASE2)) #define IRQ_EINT_BIT(x) EINT_OFFSET(x) /* Typically only a few gpio chips require gpio interrupt support. To avoid memory waste irq descriptors are allocated only for S5P_GPIOINT_GROUP_COUNT chips, each with total number of S5P_GPIOINT_GROUP_SIZE pins/irqs. Each GPIOINT group can be assiged to any gpio chip with the s5p_register_gpio_interrupt() function */ #define S5P_GPIOINT_GROUP_COUNT 4 #define S5P_GPIOINT_GROUP_SIZE 8 #define S5P_GPIOINT_COUNT (S5P_GPIOINT_GROUP_COUNT * S5P_GPIOINT_GROUP_SIZE) /* IRQ types common for all s5p platforms */ #define S5P_IRQ_TYPE_LEVEL_LOW (0x00) #define S5P_IRQ_TYPE_LEVEL_HIGH (0x01) #define S5P_IRQ_TYPE_EDGE_FALLING (0x02) #define S5P_IRQ_TYPE_EDGE_RISING (0x03) #define S5P_IRQ_TYPE_EDGE_BOTH (0x04) #endif /* __PLAT_SAMSUNG_IRQS_H */