+++ /dev/null
-/*
- * Copyright (c) 2013 Qualcomm Atheros, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted (subject to the limitations in the
- * disclaimer below) provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the
- * distribution.
- *
- * * Neither the name of Qualcomm Atheros nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
- * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "sys_cfg.h"
-
-#if SYSTEM_MODULE_INTR
-
-#include "athos_api.h"
-#include "regdump.h"
-
-/*
- * Interrupt Service Routine information, one for each interrupt that
- * is known to the CPU. A single CPU-level interrupt is sometimes used
- * for multiple interrupts. For example, all GPIO interrupts share a
- * single "interrupt number" and all low frequency timers share a single
- * interrupt number.
- *
- * Index into this table is a platform-dependent interrupt A_INUM_* number.
- */
-LOCAL struct {
- A_isr_t isr; /* function to call */
- void *isr_arg; /* argument to pass */
-} cmnos_isr_info[NUM_DIRECT_INTR];
-
-
-
-//int cmnos_invalid_isr_count; /* Track these for debug purposes */
-LOCAL uint32_t cmnos_enabled_interrupts = 0; /* Shadows enabled interrupts */
-
-
-LOCAL uint32_t cmnos_intr_dummy(void *pParm)
-{
- // dummy function in case any intr coming calling the null and crash
-}
-
-/*! - cmnos_intr_init
- *
- * initialize all interrupt to diable, and setup all callback to dummy function
- *
- * p.s these are only level2 interrupt
- */
-LOCAL void
-cmnos_intr_init(void)
-{
- uint32_t i=0;
-
- // disable all at init
- cmnos_enabled_interrupts = 0;
-
- // install the dummy function
- for(i=0; i<NUM_DIRECT_INTR; i++)
- cmnos_isr_info[i].isr = cmnos_intr_dummy;
-
- // set intrenable to disable all
- A_INTR_SET_INTRENABLE(cmnos_enabled_interrupts);
-
-}
-
-
-LOCAL void
-cmnos_intr_mask_inum(uint32_t inum)
-{
- A_old_intr_t old_intr;
- unsigned oldval;
- int mask = 1 << inum;
-
- A_INTR_DISABLE(&old_intr);
- oldval = A_INTR_GET_INTRENABLE();
- cmnos_enabled_interrupts &= ~mask;
- oldval &= ~mask;
- A_INTR_SET_INTRENABLE(oldval);
- A_INTR_RESTORE(old_intr);
-}
-
-LOCAL void
-cmnos_intr_unmask_inum(uint32_t inum)
-{
- A_old_intr_t old_intr;
- unsigned oldval;
- int unmask = 1 << inum;
-
- A_INTR_DISABLE(&old_intr);
- oldval = A_INTR_GET_INTRENABLE();
- cmnos_enabled_interrupts |= unmask;
-// if (!pending_dsr) {
- oldval |= unmask;
-// }
- A_INTR_SET_INTRENABLE(oldval);
- A_INTR_RESTORE(old_intr);
-}
-
-
-LOCAL void
-cmnos_intr_attach_isr(uint32_t inum, A_isr_t isr, void *arg)
-{
- A_old_intr_t old_intr;
-
- A_ASSERT(inum < NUM_DIRECT_INTR);
- A_ASSERT(isr != NULL);
-
- A_INTR_DISABLE(&old_intr);
-
- cmnos_isr_info[inum].isr = isr;
- cmnos_isr_info[inum].isr_arg = arg;
-
- A_INTR_RESTORE(old_intr);
-}
-
-/*
- * Invoke the ISR corresponding to an interrupt number.
- * Note that we expect interrupts for the given interrupt
- * number to be blocked when this function is called. In
- * fact, current ISRs assume that ALL non-fatal interrupts
- * are blocked, and this allows the ISRs to avoid excessive
- * calls to A_INTR_DISABLE/RESTORE which would otherwise be
- * needed around calls to A_INTR_SET_INTRENABLE and such.
- */
-LOCAL uint32_t
-cmnos_intr_invoke_isr(uint32_t inum)
-{
- A_ASSERT(inum < NUM_DIRECT_INTR);
- A_ASSERT(cmnos_isr_info[inum].isr != NULL);
-
-// A_PRINTF("cmnos_intr_invoke_isr %d\n", inum);
-
- return cmnos_isr_info[inum].isr(cmnos_isr_info[inum].isr_arg);
-}
-
-/*
- * NB: Whenever an "inum" is passed to an intr API, it is an A_INUM_*.
- */
-void
-cmnos_intr_module_install(struct intr_api *tbl)
-{
- tbl->_intr_init = cmnos_intr_init;
- tbl->_intr_invoke_isr = cmnos_intr_invoke_isr;
- tbl->_intr_attach_isr = cmnos_intr_attach_isr;
- tbl->_intr_mask_inum = cmnos_intr_mask_inum;
- tbl->_intr_unmask_inum = cmnos_intr_unmask_inum;
-
- /*
- * Note: These are all supplied elsewhere with platform-specific functions:
- * tbl->_get_intrenable
- * tbl->_set_intrenable
- * tbl->_get_intrpending
- * tbl->_unblock_all_intrlvl
- * tbl->_intr_disable
- * tbl->_intr_restore
- */
-}
-#endif /* SYSTEM_MODULE_INTR */
-
projects / open-ath9k-htc-firmware.git / blobdiff