diff options
Diffstat (limited to 'arch/m68k/q40/q40ints.c')
| -rw-r--r-- | arch/m68k/q40/q40ints.c | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c index 9f0e3d59bf9..2b888491f29 100644 --- a/arch/m68k/q40/q40ints.c +++ b/arch/m68k/q40/q40ints.c @@ -15,10 +15,10 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/interrupt.h> +#include <linux/irq.h> #include <asm/ptrace.h> #include <asm/system.h> -#include <asm/irq.h> #include <asm/traps.h> #include <asm/q40_master.h> @@ -35,35 +35,36 @@ */ static void q40_irq_handler(unsigned int, struct pt_regs *fp); -static void q40_enable_irq(unsigned int); -static void q40_disable_irq(unsigned int); +static void q40_irq_enable(struct irq_data *data); +static void q40_irq_disable(struct irq_data *data); unsigned short q40_ablecount[35]; unsigned short q40_state[35]; -static int q40_irq_startup(unsigned int irq) +static unsigned int q40_irq_startup(struct irq_data *data) { + unsigned int irq = data->irq; + /* test for ISA ints not implemented by HW */ switch (irq) { case 1: case 2: case 8: case 9: case 11: case 12: case 13: printk("%s: ISA IRQ %d not implemented by HW\n", __func__, irq); - return -ENXIO; + /* FIXME return -ENXIO; */ } return 0; } -static void q40_irq_shutdown(unsigned int irq) +static void q40_irq_shutdown(struct irq_data *data) { } -static struct irq_controller q40_irq_controller = { +static struct irq_chip q40_irq_chip = { .name = "q40", - .lock = __SPIN_LOCK_UNLOCKED(q40_irq_controller.lock), - .startup = q40_irq_startup, - .shutdown = q40_irq_shutdown, - .enable = q40_enable_irq, - .disable = q40_disable_irq, + .irq_startup = q40_irq_startup, + .irq_shutdown = q40_irq_shutdown, + .irq_enable = q40_irq_enable, + .irq_disable = q40_irq_disable, }; /* @@ -81,13 +82,14 @@ static int disabled; void __init q40_init_IRQ(void) { - m68k_setup_irq_controller(&q40_irq_controller, 1, Q40_IRQ_MAX); + m68k_setup_irq_controller(&q40_irq_chip, handle_simple_irq, 1, + Q40_IRQ_MAX); /* setup handler for ISA ints */ m68k_setup_auto_interrupt(q40_irq_handler); - m68k_irq_startup(IRQ_AUTO_2); - m68k_irq_startup(IRQ_AUTO_4); + m68k_irq_startup_irq(IRQ_AUTO_2); + m68k_irq_startup_irq(IRQ_AUTO_4); /* now enable some ints.. */ master_outb(1, EXT_ENABLE_REG); /* ISA IRQ 5-15 */ @@ -218,11 +220,11 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp) switch (irq) { case 4: case 6: - __m68k_handle_int(Q40_IRQ_SAMPLE, fp); + do_IRQ(Q40_IRQ_SAMPLE, fp); return; } if (mir & Q40_IRQ_FRAME_MASK) { - __m68k_handle_int(Q40_IRQ_FRAME, fp); + do_IRQ(Q40_IRQ_FRAME, fp); master_outb(-1, FRAME_CLEAR_REG); } if ((mir & Q40_IRQ_SER_MASK) || (mir & Q40_IRQ_EXT_MASK)) { @@ -257,7 +259,7 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp) goto iirq; } q40_state[irq] |= IRQ_INPROGRESS; - __m68k_handle_int(irq, fp); + do_IRQ(irq, fp); q40_state[irq] &= ~IRQ_INPROGRESS; /* naively enable everything, if that fails than */ @@ -288,25 +290,29 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp) mir = master_inb(IIRQ_REG); /* should test whether keyboard irq is really enabled, doing it in defhand */ if (mir & Q40_IRQ_KEYB_MASK) - __m68k_handle_int(Q40_IRQ_KEYBOARD, fp); + do_IRQ(Q40_IRQ_KEYBOARD, fp); return; } -void q40_enable_irq(unsigned int irq) +void q40_irq_enable(struct irq_data *data) { + unsigned int irq = data->irq; + if (irq >= 5 && irq <= 15) { mext_disabled--; if (mext_disabled > 0) - printk("q40_enable_irq : nested disable/enable\n"); + printk("q40_irq_enable : nested disable/enable\n"); if (mext_disabled == 0) master_outb(1, EXT_ENABLE_REG); } } -void q40_disable_irq(unsigned int irq) +void q40_irq_disable(struct irq_data *data) { + unsigned int irq = data->irq; + /* disable ISA iqs : only do something if the driver has been * verified to be Q40 "compatible" - right now IDE, NE2K * Any driver should not attempt to sleep across disable_irq !! @@ -319,13 +325,3 @@ void q40_disable_irq(unsigned int irq) printk("disable_irq nesting count %d\n",mext_disabled); } } - -unsigned long q40_probe_irq_on(void) -{ - printk("irq probing not working - reconfigure the driver to avoid this\n"); - return -1; -} -int q40_probe_irq_off(unsigned long irqs) -{ - return -1; -} |