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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> * * Description: * QE IC external definitions and structure. */ #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)(struct irq_desc *desc), void (*high_handler)(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)(struct irq_desc *desc), void (*high_handler)(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(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(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(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(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(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 */
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