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Merge master.kernel.org:/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
[pandora-kernel.git] / arch / mips / vr41xx / common / icu.c
diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index 0b73c5a..c075261 100644 (file)
--- 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 <yyuasa@mvista.com or source@mvista.com>
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *
  *  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 <yuasa@hh.iij4u.or.jp>
+ *  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  - Coped with INTASSIGN of NEC VR4133.
  */
 #include <linux/errno.h>
@@ -38,6 +38,7 @@
 
 #include <asm/cpu.h>
 #include <asm/io.h>
+#include <asm/vr41xx/irq.h>
 #include <asm/vr41xx/vr41xx.h>
 
 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);
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