X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fmips%2Fvr41xx%2Fcommon%2Ficu.c;h=c075261976c58df81ec4f4f1106b1c5bfe1c0739;hp=0b73c5ab3c0c1ff968803097e3090bbd1c0a3de3;hb=1c1afa3c053d4ccdf44e5a4e159005cdfd48bfc6;hpb=c324b44c34050cf2a9b58830e11c974806bd85d8 diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c index 0b73c5ab3c0c..c075261976c5 100644 --- a/arch/mips/vr41xx/common/icu.c +++ b/arch/mips/vr41xx/common/icu.c @@ -3,7 +3,7 @@ * * Copyright (C) 2001-2002 MontaVista Software Inc. * Author: Yoichi Yuasa - * Copyright (C) 2003-2005 Yoichi Yuasa + * Copyright (C) 2003-2005 Yoichi Yuasa * * 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 @@ -25,7 +25,7 @@ * - New creation, NEC VR4122 and VR4131 are supported. * - Added support for NEC VR4111 and VR4121. * - * Yoichi Yuasa + * Yoichi Yuasa * - Coped with INTASSIGN of NEC VR4133. */ #include @@ -38,6 +38,7 @@ #include #include +#include #include static void __iomem *icu1_base; @@ -152,7 +153,7 @@ static inline uint16_t icu2_clear(uint8_t offset, uint16_t clear) void vr41xx_enable_piuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + PIU_IRQ; + struct irq_desc *desc = irq_desc + PIU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4111 || @@ -167,7 +168,7 @@ EXPORT_SYMBOL(vr41xx_enable_piuint); void vr41xx_disable_piuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + PIU_IRQ; + struct irq_desc *desc = irq_desc + PIU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4111 || @@ -182,7 +183,7 @@ EXPORT_SYMBOL(vr41xx_disable_piuint); void vr41xx_enable_aiuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + AIU_IRQ; + struct irq_desc *desc = irq_desc + AIU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4111 || @@ -197,7 +198,7 @@ EXPORT_SYMBOL(vr41xx_enable_aiuint); void vr41xx_disable_aiuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + AIU_IRQ; + struct irq_desc *desc = irq_desc + AIU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4111 || @@ -212,7 +213,7 @@ EXPORT_SYMBOL(vr41xx_disable_aiuint); void vr41xx_enable_kiuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + KIU_IRQ; + struct irq_desc *desc = irq_desc + KIU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4111 || @@ -227,7 +228,7 @@ EXPORT_SYMBOL(vr41xx_enable_kiuint); void vr41xx_disable_kiuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + KIU_IRQ; + struct irq_desc *desc = irq_desc + KIU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4111 || @@ -242,7 +243,7 @@ EXPORT_SYMBOL(vr41xx_disable_kiuint); void vr41xx_enable_dsiuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + DSIU_IRQ; + struct irq_desc *desc = irq_desc + DSIU_IRQ; unsigned long flags; spin_lock_irqsave(&desc->lock, flags); @@ -254,7 +255,7 @@ EXPORT_SYMBOL(vr41xx_enable_dsiuint); void vr41xx_disable_dsiuint(uint16_t mask) { - irq_desc_t *desc = irq_desc + DSIU_IRQ; + struct irq_desc *desc = irq_desc + DSIU_IRQ; unsigned long flags; spin_lock_irqsave(&desc->lock, flags); @@ -266,7 +267,7 @@ EXPORT_SYMBOL(vr41xx_disable_dsiuint); void vr41xx_enable_firint(uint16_t mask) { - irq_desc_t *desc = irq_desc + FIR_IRQ; + struct irq_desc *desc = irq_desc + FIR_IRQ; unsigned long flags; spin_lock_irqsave(&desc->lock, flags); @@ -278,7 +279,7 @@ EXPORT_SYMBOL(vr41xx_enable_firint); void vr41xx_disable_firint(uint16_t mask) { - irq_desc_t *desc = irq_desc + FIR_IRQ; + struct irq_desc *desc = irq_desc + FIR_IRQ; unsigned long flags; spin_lock_irqsave(&desc->lock, flags); @@ -290,7 +291,7 @@ EXPORT_SYMBOL(vr41xx_disable_firint); void vr41xx_enable_pciint(void) { - irq_desc_t *desc = irq_desc + PCI_IRQ; + struct irq_desc *desc = irq_desc + PCI_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -306,7 +307,7 @@ EXPORT_SYMBOL(vr41xx_enable_pciint); void vr41xx_disable_pciint(void) { - irq_desc_t *desc = irq_desc + PCI_IRQ; + struct irq_desc *desc = irq_desc + PCI_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -322,7 +323,7 @@ EXPORT_SYMBOL(vr41xx_disable_pciint); void vr41xx_enable_scuint(void) { - irq_desc_t *desc = irq_desc + SCU_IRQ; + struct irq_desc *desc = irq_desc + SCU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -338,7 +339,7 @@ EXPORT_SYMBOL(vr41xx_enable_scuint); void vr41xx_disable_scuint(void) { - irq_desc_t *desc = irq_desc + SCU_IRQ; + struct irq_desc *desc = irq_desc + SCU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -354,7 +355,7 @@ EXPORT_SYMBOL(vr41xx_disable_scuint); void vr41xx_enable_csiint(uint16_t mask) { - irq_desc_t *desc = irq_desc + CSI_IRQ; + struct irq_desc *desc = irq_desc + CSI_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -370,7 +371,7 @@ EXPORT_SYMBOL(vr41xx_enable_csiint); void vr41xx_disable_csiint(uint16_t mask) { - irq_desc_t *desc = irq_desc + CSI_IRQ; + struct irq_desc *desc = irq_desc + CSI_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -386,7 +387,7 @@ EXPORT_SYMBOL(vr41xx_disable_csiint); void vr41xx_enable_bcuint(void) { - irq_desc_t *desc = irq_desc + BCU_IRQ; + struct irq_desc *desc = irq_desc + BCU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -402,7 +403,7 @@ EXPORT_SYMBOL(vr41xx_enable_bcuint); void vr41xx_disable_bcuint(void) { - irq_desc_t *desc = irq_desc + BCU_IRQ; + struct irq_desc *desc = irq_desc + BCU_IRQ; unsigned long flags; if (current_cpu_data.cputype == CPU_VR4122 || @@ -416,14 +417,7 @@ void vr41xx_disable_bcuint(void) EXPORT_SYMBOL(vr41xx_disable_bcuint); -static unsigned int startup_sysint1_irq(unsigned int irq) -{ - icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq)); - - return 0; /* never anything pending */ -} - -static void shutdown_sysint1_irq(unsigned int irq) +static void disable_sysint1_irq(unsigned int irq) { icu1_clear(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq)); } @@ -433,33 +427,15 @@ static void enable_sysint1_irq(unsigned int irq) icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq)); } -#define disable_sysint1_irq shutdown_sysint1_irq -#define ack_sysint1_irq shutdown_sysint1_irq - -static void end_sysint1_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq)); -} - -static struct hw_interrupt_type sysint1_irq_type = { +static struct irq_chip sysint1_irq_type = { .typename = "SYSINT1", - .startup = startup_sysint1_irq, - .shutdown = shutdown_sysint1_irq, - .enable = enable_sysint1_irq, - .disable = disable_sysint1_irq, - .ack = ack_sysint1_irq, - .end = end_sysint1_irq, + .ack = disable_sysint1_irq, + .mask = disable_sysint1_irq, + .mask_ack = disable_sysint1_irq, + .unmask = enable_sysint1_irq, }; -static unsigned int startup_sysint2_irq(unsigned int irq) -{ - icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq)); - - return 0; /* never anything pending */ -} - -static void shutdown_sysint2_irq(unsigned int irq) +static void disable_sysint2_irq(unsigned int irq) { icu2_clear(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq)); } @@ -469,28 +445,17 @@ static void enable_sysint2_irq(unsigned int irq) icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq)); } -#define disable_sysint2_irq shutdown_sysint2_irq -#define ack_sysint2_irq shutdown_sysint2_irq - -static void end_sysint2_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq)); -} - -static struct hw_interrupt_type sysint2_irq_type = { +static struct irq_chip sysint2_irq_type = { .typename = "SYSINT2", - .startup = startup_sysint2_irq, - .shutdown = shutdown_sysint2_irq, - .enable = enable_sysint2_irq, - .disable = disable_sysint2_irq, - .ack = ack_sysint2_irq, - .end = end_sysint2_irq, + .ack = disable_sysint2_irq, + .mask = disable_sysint2_irq, + .mask_ack = disable_sysint2_irq, + .unmask = enable_sysint2_irq, }; static inline int set_sysint1_assign(unsigned int irq, unsigned char assign) { - irq_desc_t *desc = irq_desc + irq; + struct irq_desc *desc = irq_desc + irq; uint16_t intassign0, intassign1; unsigned int pin; @@ -549,7 +514,7 @@ static inline int set_sysint1_assign(unsigned int irq, unsigned char assign) static inline int set_sysint2_assign(unsigned int irq, unsigned char assign) { - irq_desc_t *desc = irq_desc + irq; + struct irq_desc *desc = irq_desc + irq; uint16_t intassign2, intassign3; unsigned int pin; @@ -634,7 +599,7 @@ int vr41xx_set_intassign(unsigned int irq, unsigned char intassign) EXPORT_SYMBOL(vr41xx_set_intassign); -static int icu_get_irq(unsigned int irq, struct pt_regs *regs) +static int icu_get_irq(unsigned int irq) { uint16_t pend1, pend2; uint16_t mask1, mask2; @@ -722,10 +687,12 @@ static int __init vr41xx_icu_init(void) icu2_write(MGIUINTHREG, 0xffff); for (i = SYSINT1_IRQ_BASE; i <= SYSINT1_IRQ_LAST; i++) - irq_desc[i].handler = &sysint1_irq_type; + set_irq_chip_and_handler(i, &sysint1_irq_type, + handle_level_irq); for (i = SYSINT2_IRQ_BASE; i <= SYSINT2_IRQ_LAST; i++) - irq_desc[i].handler = &sysint2_irq_type; + set_irq_chip_and_handler(i, &sysint2_irq_type, + handle_level_irq); cascade_irq(INT0_IRQ, icu_get_irq); cascade_irq(INT1_IRQ, icu_get_irq);