summaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/renesas/hs7751rvoip/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/renesas/hs7751rvoip/irq.c')
-rw-r--r--arch/sh/boards/renesas/hs7751rvoip/irq.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/arch/sh/boards/renesas/hs7751rvoip/irq.c b/arch/sh/boards/renesas/hs7751rvoip/irq.c
deleted file mode 100644
index e55c6686b21..00000000000
--- a/arch/sh/boards/renesas/hs7751rvoip/irq.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * linux/arch/sh/boards/renesas/hs7751rvoip/irq.c
- *
- * Copyright (C) 2000 Kazumoto Kojima
- *
- * Renesas Technology Sales HS7751RVoIP Support.
- *
- * Modified for HS7751RVoIP by
- * Atom Create Engineering Co., Ltd. 2002.
- * Lineo uSolutions, Inc. 2003.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/hs7751rvoip.h>
-
-static int mask_pos[] = {8, 9, 10, 11, 12, 13, 0, 1, 2, 3, 4, 5, 6, 7};
-
-static void enable_hs7751rvoip_irq(unsigned int irq);
-static void disable_hs7751rvoip_irq(unsigned int irq);
-
-/* shutdown is same as "disable" */
-#define shutdown_hs7751rvoip_irq disable_hs7751rvoip_irq
-
-static void ack_hs7751rvoip_irq(unsigned int irq);
-static void end_hs7751rvoip_irq(unsigned int irq);
-
-static unsigned int startup_hs7751rvoip_irq(unsigned int irq)
-{
- enable_hs7751rvoip_irq(irq);
- return 0; /* never anything pending */
-}
-
-static void disable_hs7751rvoip_irq(unsigned int irq)
-{
- unsigned short val;
- unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]);
-
- /* Set the priority in IPR to 0 */
- val = ctrl_inw(IRLCNTR3);
- val &= mask;
- ctrl_outw(val, IRLCNTR3);
-}
-
-static void enable_hs7751rvoip_irq(unsigned int irq)
-{
- unsigned short val;
- unsigned short value = (0x0001 << mask_pos[irq]);
-
- /* Set priority in IPR back to original value */
- val = ctrl_inw(IRLCNTR3);
- val |= value;
- ctrl_outw(val, IRLCNTR3);
-}
-
-static void ack_hs7751rvoip_irq(unsigned int irq)
-{
- disable_hs7751rvoip_irq(irq);
-}
-
-static void end_hs7751rvoip_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_hs7751rvoip_irq(irq);
-}
-
-static struct hw_interrupt_type hs7751rvoip_irq_type = {
- .typename = "HS7751RVoIP IRQ",
- .startup = startup_hs7751rvoip_irq,
- .shutdown = shutdown_hs7751rvoip_irq,
- .enable = enable_hs7751rvoip_irq,
- .disable = disable_hs7751rvoip_irq,
- .ack = ack_hs7751rvoip_irq,
- .end = end_hs7751rvoip_irq,
-};
-
-static void make_hs7751rvoip_irq(unsigned int irq)
-{
- disable_irq_nosync(irq);
- irq_desc[irq].chip = &hs7751rvoip_irq_type;
- disable_hs7751rvoip_irq(irq);
-}
-
-/*
- * Initialize IRQ setting
- */
-void __init init_hs7751rvoip_IRQ(void)
-{
- int i;
-
- /* IRL0=ON HOOK1
- * IRL1=OFF HOOK1
- * IRL2=ON HOOK2
- * IRL3=OFF HOOK2
- * IRL4=Ringing Detection
- * IRL5=CODEC
- * IRL6=Ethernet
- * IRL7=Ethernet Hub
- * IRL8=USB Communication
- * IRL9=USB Connection
- * IRL10=USB DMA
- * IRL11=CF Card
- * IRL12=PCMCIA
- * IRL13=PCI Slot
- */
- ctrl_outw(0x9876, IRLCNTR1);
- ctrl_outw(0xdcba, IRLCNTR2);
- ctrl_outw(0x0050, IRLCNTR4);
- ctrl_outw(0x4321, IRLCNTR5);
-
- for (i=0; i<14; i++)
- make_hs7751rvoip_irq(i);
-}