mirror of https://gitee.com/openkylin/linux.git
145 lines
4.7 KiB
C
145 lines
4.7 KiB
C
/*
|
|
* Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
|
|
*
|
|
* Authors: Shlomi Gridish <gridish@freescale.com>
|
|
* Li Yang <leoli@freescale.com>
|
|
*
|
|
* Description:
|
|
* QE IC external definitions and structure.
|
|
*
|
|
* 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 the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
#ifndef _ASM_POWERPC_QE_IC_H
|
|
#define _ASM_POWERPC_QE_IC_H
|
|
|
|
#include <linux/irq.h>
|
|
|
|
struct device_node;
|
|
struct qe_ic;
|
|
|
|
#define NUM_OF_QE_IC_GROUPS 6
|
|
|
|
/* Flags when we init the QE IC */
|
|
#define QE_IC_SPREADMODE_GRP_W 0x00000001
|
|
#define QE_IC_SPREADMODE_GRP_X 0x00000002
|
|
#define QE_IC_SPREADMODE_GRP_Y 0x00000004
|
|
#define QE_IC_SPREADMODE_GRP_Z 0x00000008
|
|
#define QE_IC_SPREADMODE_GRP_RISCA 0x00000010
|
|
#define QE_IC_SPREADMODE_GRP_RISCB 0x00000020
|
|
|
|
#define QE_IC_LOW_SIGNAL 0x00000100
|
|
#define QE_IC_HIGH_SIGNAL 0x00000200
|
|
|
|
#define QE_IC_GRP_W_PRI0_DEST_SIGNAL_HIGH 0x00001000
|
|
#define QE_IC_GRP_W_PRI1_DEST_SIGNAL_HIGH 0x00002000
|
|
#define QE_IC_GRP_X_PRI0_DEST_SIGNAL_HIGH 0x00004000
|
|
#define QE_IC_GRP_X_PRI1_DEST_SIGNAL_HIGH 0x00008000
|
|
#define QE_IC_GRP_Y_PRI0_DEST_SIGNAL_HIGH 0x00010000
|
|
#define QE_IC_GRP_Y_PRI1_DEST_SIGNAL_HIGH 0x00020000
|
|
#define QE_IC_GRP_Z_PRI0_DEST_SIGNAL_HIGH 0x00040000
|
|
#define QE_IC_GRP_Z_PRI1_DEST_SIGNAL_HIGH 0x00080000
|
|
#define QE_IC_GRP_RISCA_PRI0_DEST_SIGNAL_HIGH 0x00100000
|
|
#define QE_IC_GRP_RISCA_PRI1_DEST_SIGNAL_HIGH 0x00200000
|
|
#define QE_IC_GRP_RISCB_PRI0_DEST_SIGNAL_HIGH 0x00400000
|
|
#define QE_IC_GRP_RISCB_PRI1_DEST_SIGNAL_HIGH 0x00800000
|
|
#define QE_IC_GRP_W_DEST_SIGNAL_SHIFT (12)
|
|
|
|
/* QE interrupt sources groups */
|
|
enum qe_ic_grp_id {
|
|
QE_IC_GRP_W = 0, /* QE interrupt controller group W */
|
|
QE_IC_GRP_X, /* QE interrupt controller group X */
|
|
QE_IC_GRP_Y, /* QE interrupt controller group Y */
|
|
QE_IC_GRP_Z, /* QE interrupt controller group Z */
|
|
QE_IC_GRP_RISCA, /* QE interrupt controller RISC group A */
|
|
QE_IC_GRP_RISCB /* QE interrupt controller RISC group B */
|
|
};
|
|
|
|
#ifdef CONFIG_QUICC_ENGINE
|
|
void qe_ic_init(struct device_node *node, unsigned int flags,
|
|
void (*low_handler)(unsigned int irq, struct irq_desc *desc),
|
|
void (*high_handler)(unsigned int irq, struct irq_desc *desc));
|
|
unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
|
|
unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
|
|
#else
|
|
static inline void qe_ic_init(struct device_node *node, unsigned int flags,
|
|
void (*low_handler)(unsigned int irq, struct irq_desc *desc),
|
|
void (*high_handler)(unsigned int irq, struct irq_desc *desc))
|
|
{}
|
|
static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
|
|
{ return 0; }
|
|
static inline unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
|
|
{ return 0; }
|
|
#endif /* CONFIG_QUICC_ENGINE */
|
|
|
|
void qe_ic_set_highest_priority(unsigned int virq, int high);
|
|
int qe_ic_set_priority(unsigned int virq, unsigned int priority);
|
|
int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
|
|
|
|
static inline void qe_ic_cascade_low_ipic(unsigned int irq,
|
|
struct irq_desc *desc)
|
|
{
|
|
struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
|
|
unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
|
|
|
|
if (cascade_irq != NO_IRQ)
|
|
generic_handle_irq(cascade_irq);
|
|
}
|
|
|
|
static inline void qe_ic_cascade_high_ipic(unsigned int irq,
|
|
struct irq_desc *desc)
|
|
{
|
|
struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
|
|
unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
|
|
|
|
if (cascade_irq != NO_IRQ)
|
|
generic_handle_irq(cascade_irq);
|
|
}
|
|
|
|
static inline void qe_ic_cascade_low_mpic(unsigned int irq,
|
|
struct irq_desc *desc)
|
|
{
|
|
struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
|
|
unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
|
|
struct irq_chip *chip = irq_desc_get_chip(desc);
|
|
|
|
if (cascade_irq != NO_IRQ)
|
|
generic_handle_irq(cascade_irq);
|
|
|
|
chip->irq_eoi(&desc->irq_data);
|
|
}
|
|
|
|
static inline void qe_ic_cascade_high_mpic(unsigned int irq,
|
|
struct irq_desc *desc)
|
|
{
|
|
struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
|
|
unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
|
|
struct irq_chip *chip = irq_desc_get_chip(desc);
|
|
|
|
if (cascade_irq != NO_IRQ)
|
|
generic_handle_irq(cascade_irq);
|
|
|
|
chip->irq_eoi(&desc->irq_data);
|
|
}
|
|
|
|
static inline void qe_ic_cascade_muxed_mpic(unsigned int irq,
|
|
struct irq_desc *desc)
|
|
{
|
|
struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
|
|
unsigned int cascade_irq;
|
|
struct irq_chip *chip = irq_desc_get_chip(desc);
|
|
|
|
cascade_irq = qe_ic_get_high_irq(qe_ic);
|
|
if (cascade_irq == NO_IRQ)
|
|
cascade_irq = qe_ic_get_low_irq(qe_ic);
|
|
|
|
if (cascade_irq != NO_IRQ)
|
|
generic_handle_irq(cascade_irq);
|
|
|
|
chip->irq_eoi(&desc->irq_data);
|
|
}
|
|
|
|
#endif /* _ASM_POWERPC_QE_IC_H */
|