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Diffstat (limited to 'include/asm-powerpc/mpic.h')
-rw-r--r--include/asm-powerpc/mpic.h42
1 files changed, 27 insertions, 15 deletions
diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h
index a2277cb77dd..eb241c99c45 100644
--- a/include/asm-powerpc/mpic.h
+++ b/include/asm-powerpc/mpic.h
@@ -129,6 +129,12 @@ struct mpic_irq_fixup
/* The instance data of a given MPIC */
struct mpic
{
+ /* The device node of the interrupt controller */
+ struct device_node *of_node;
+
+ /* The remapper for this MPIC */
+ struct irq_host *irqhost;
+
/* The "linux" controller struct */
struct irq_chip hc_irq;
#ifdef CONFIG_MPIC_BROKEN_U3
@@ -144,16 +150,12 @@ struct mpic
unsigned int isu_size;
unsigned int isu_shift;
unsigned int isu_mask;
- /* Offset of irq vector numbers */
- unsigned int irq_offset;
unsigned int irq_count;
- /* Offset of ipi vector numbers */
- unsigned int ipi_offset;
/* Number of sources */
unsigned int num_sources;
/* Number of CPUs */
unsigned int num_cpus;
- /* senses array */
+ /* default senses array */
unsigned char *senses;
unsigned int senses_count;
@@ -209,14 +211,11 @@ struct mpic
* The values in the array start at the first source of the MPIC,
* that is senses[0] correspond to linux irq "irq_offset".
*/
-extern struct mpic *mpic_alloc(unsigned long phys_addr,
+extern struct mpic *mpic_alloc(struct device_node *node,
+ unsigned long phys_addr,
unsigned int flags,
unsigned int isu_size,
- unsigned int irq_offset,
unsigned int irq_count,
- unsigned int ipi_offset,
- unsigned char *senses,
- unsigned int senses_num,
const char *name);
/* Assign ISUs, to call before mpic_init()
@@ -228,6 +227,22 @@ extern struct mpic *mpic_alloc(unsigned long phys_addr,
extern void mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
unsigned long phys_addr);
+/* Set default sense codes
+ *
+ * @mpic: controller
+ * @senses: array of sense codes
+ * @count: size of above array
+ *
+ * Optionally provide an array (indexed on hardware interrupt numbers
+ * for this MPIC) of default sense codes for the chip. Those are linux
+ * sense codes IRQ_TYPE_*
+ *
+ * The driver gets ownership of the pointer, don't dispose of it or
+ * anything like that. __init only.
+ */
+extern void mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count);
+
+
/* Initialize the controller. After this has been called, none of the above
* should be called again for this mpic
*/
@@ -269,9 +284,9 @@ extern void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask);
void smp_mpic_message_pass(int target, int msg);
/* Fetch interrupt from a given mpic */
-extern int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs);
+extern unsigned int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs);
/* This one gets to the primary mpic */
-extern int mpic_get_irq(struct pt_regs *regs);
+extern unsigned int mpic_get_irq(struct pt_regs *regs);
/* Set the EPIC clock ratio */
void mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio);
@@ -279,8 +294,5 @@ void mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio);
/* Enable/Disable EPIC serial interrupt mode */
void mpic_set_serial_int(struct mpic *mpic, int enable);
-/* global mpic for pSeries */
-extern struct mpic *pSeries_mpic;
-
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MPIC_H */