Lines Matching refs:irq
48 void sun3_enable_irq(unsigned int irq)
50 *sun3_intreg |= (1<<irq);
53 void sun3_disable_irq(unsigned int irq)
55 *sun3_intreg &= ~(1<<irq);
58 inline void sun3_do_irq(int irq, struct pt_regs *fp)
60 kstat.irqs[0][SYS_IRQS + irq]++;
61 *sun3_intreg &= ~(1<<irq);
62 *sun3_intreg |= (1<<irq);
70 static void sun3_int7(int irq, void *dev_id, struct pt_regs *fp)
72 sun3_do_irq(irq,fp);
73 if(!(kstat.irqs[0][SYS_IRQS + irq] % 2000))
74 sun3_leds(led_pattern[(kstat.irqs[0][SYS_IRQS+irq]%16000)/2000]);
77 static void sun3_int5(int irq, void *dev_id, struct pt_regs *fp)
79 kstat.irqs[0][SYS_IRQS + irq]++;
83 *sun3_intreg &= ~(1<<irq);
84 *sun3_intreg |= (1<<irq);
89 if(!(kstat.irqs[0][SYS_IRQS + irq] % 20))
90 sun3_leds(led_pattern[(kstat.irqs[0][SYS_IRQS+irq]%160)
104 static void sun3_inthandle(int irq, void *dev_id, struct pt_regs *fp)
106 if(sun3_inthandler[irq] == NULL)
107 panic ("bad interrupt %d received (id %p)\n",irq, dev_id);
109 kstat.irqs[0][SYS_IRQS + irq]++;
110 *sun3_intreg &= ~(1<<irq);
112 sun3_inthandler[irq](irq, dev_ids[irq], fp);
115 static void sun3_vec255(int irq, void *dev_id, struct pt_regs *fp)
147 int sun3_request_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
151 if(irq < SYS_IRQS) {
152 if(sun3_inthandler[irq] != NULL) {
153 printk("sun3_request_irq: request for irq %d -- already taken!\n", irq);
157 sun3_inthandler[irq] = handler;
158 dev_ids[irq] = dev_id;
159 dev_names[irq] = devname;
162 sys_request_irq(irq, sun3_default_handler[irq], 0, devname, NULL);
166 if((irq >= 64) && (irq <= 255)) {
169 vec = irq - 64;
171 printk("sun3_request_irq: request for vec %d -- already taken!\n", irq);
183 printk("sun3_request_irq: invalid irq %d\n", irq);
188 void sun3_free_irq(unsigned int irq, void *dev_id)
191 if(irq < SYS_IRQS) {
192 if(sun3_inthandler[irq] == NULL)
193 panic("sun3_free_int: attempt to free unused irq %d\n", irq);
194 if(dev_ids[irq] != dev_id)
195 panic("sun3_free_int: incorrect dev_id for irq %d\n", irq);
197 sun3_inthandler[irq] = NULL;
199 } else if((irq >= 64) && (irq <= 255)) {
202 vec = irq - 64;
204 panic("sun3_free_int: attempt to free unused vector %d\n", irq);
205 if(vec_ids[irq] != dev_id)
206 panic("sun3_free_int: incorrect dev_id for vec %d\n", irq);
211 panic("sun3_free_irq: invalid irq %d\n", irq);
215 void sun3_process_int(int irq, struct pt_regs *regs)
218 if((irq >= 64) && (irq <= 255)) {
221 vec = irq - 64;
223 panic ("bad interrupt vector %d received\n",irq);
225 sun3_vechandler[vec](irq, vec_ids[vec], regs);
229 irq);