summaryrefslogtreecommitdiff
path: root/hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-ipc.h
diff options
context:
space:
mode:
Diffstat (limited to 'hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-ipc.h')
-rw-r--r--hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-ipc.h345
1 files changed, 0 insertions, 345 deletions
diff --git a/hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-ipc.h b/hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-ipc.h
deleted file mode 100644
index 3ce5bd66..00000000
--- a/hifi/xaf/hifi-dpf/include/sys/xt-shmem/xf-ipc.h
+++ /dev/null
@@ -1,345 +0,0 @@
-/*******************************************************************************
-* Copyright (C) 2018 Cadence Design Systems, Inc.
-*
-* Permission is hereby granted, free of charge, to any person obtaining
-* a copy of this software and associated documentation files (the
-* "Software"), to use this Software with Cadence processor cores only and
-* not with any other processors and platforms, subject to
-* the following conditions:
-*
-* The above copyright notice and this permission notice shall be included
-* in all copies or substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-******************************************************************************/
-
-/*******************************************************************************
- * xf-ipc.h
- *
- * Xtensa IPC mechanism
- *
- *******************************************************************************/
-
-#ifndef __XF_H
-#error "xf-ipc.h mustn't be included directly"
-#endif
-
-/*******************************************************************************
- * Includes
- ******************************************************************************/
-
-/* ...system-specific shared memory configuration */
-#include "xf-shmem.h"
-#ifndef XAF_ENABLE_NON_HIKEY
-#include <xtensa/xtruntime.h>
-extern volatile int waitstate;
-#endif
-
-#ifdef XAF_ENABLE_NON_HIKEY
-/*******************************************************************************
- * Macros definitions (should better go to some other header)
- ******************************************************************************/
-
-/*
- * Execute WAITI 0 (enabling interrupts) only if *(ptr) is zero.
- * The decision to execute WAITI is done atomically by disabling
- * interrupts at level 'level' (level must be a constant)
- * before checking the pointer. Interrupts are always re-enabled
- * on exit from this macro.
- */
-#define _WAITI_ON_PTR(ptr, level) \
-do { \
- int __tmp; \
- __asm__ (" rsil %0, " #level " \n" \
- " l32i %0, %1, 0 \n" \
- " bnez %0, 1f \n" \
- " waiti 0 \n" \
- "1:rsil %0, 0 \n" \
- : "=a" (__tmp) : "a" (ptr) : "memory"); \
-} while(0)
-
-/* ...enable gdbstub */
-//#define XF_CFG_USE_GDBSTUB 0
-
-#ifndef XF_CFG_USE_GDBSTUB
-/* ...maybe "level" should be hidden here - we always magically set 15 */
-#define WAITI_ON_PTR(ptr, level) _WAITI_ON_PTR(ptr, level)
-#else
-/* ...if debugger is enabled, do polling instead of waiting */
-static inline void WAITI_ON_PTR(volatile u32 *ptr, u32 level)
-{
- extern void poll_debug_ring(void);
-
- while (*ptr == 0)
- {
- /* ...should be called with interrupts disabled - tbd */
- poll_debug_ring();
- }
-}
-#endif
-
-/*******************************************************************************
- * Remote IPI interrupt mode
- ******************************************************************************/
-
-/* ...enable/disable IPI interrupt */
-static inline void xf_ipi_enable(u32 core, int on)
-{
- if (on)
- _xtos_ints_on(1 << XF_PROXY_IPI_NUM(core));
- else
- _xtos_ints_off(1 << XF_PROXY_IPI_NUM(core));
-}
-
-/* ...wait in low-power mode for interrupt arrival if "ptr" is 0 */
-static inline void xf_ipi_wait(u32 core)
-{
- xf_core_ro_data_t *ro = XF_CORE_RO_DATA(core);
-
- /* ...enable IPI interrupt before sleeping */
- xf_ipi_enable(core, 1);
-
- /* ...wait in low-power mode, atomically checking *ipc != 0 */
- WAITI_ON_PTR(&ro->ipc.wait, 15);
-
- /* ...force disabling of IPI interrupts */
- xf_ipi_enable(core, 0);
-
- /* ...reset waiting object upon leaving */
- ro->ipc.wait = 0;
-}
-#else
-#define _WAITI_ON_PTR(ptr, level) \
- do { \
- int __tmp; \
- __asm__ (" rsil %0, " #level " \n" \
- " l32i %0, %1, 0 \n" \
- " bnez %0, 1f \n" \
- " waiti 0 \n" \
- "1:rsil %0, 0 \n" \
- : "=a" (__tmp) : "a" (ptr) : "memory"); \
- } while(0)
-
-#define WAITI_ON_PTR(ptr, level) _WAITI_ON_PTR(ptr, level)
-static inline void xf_ipi_wait(u32 core)
-{
-#if 0
- // VOS_EnableInterrupt(DSP_IPC_FROM_AP_INT_NO);
- _xtos_ints_on(1 << DSP_IPC_FROM_AP_INT_NO);
- while(1)
- {
- if(waitstate ==1)
- {
- // VOS_DisableInterrupt(DSP_IPC_FROM_AP_INT_NO);
- _xtos_ints_off(1 << DSP_IPC_FROM_AP_INT_NO);
- waitstate = 0;
- break;
- }
- }
-#else
-
- _xtos_ints_on(1 << DSP_IPC_FROM_AP_INT_NO);
- /* ...wait in low-power mode, atomically checking *ipc != 0 */
- WAITI_ON_PTR(&waitstate, 15);
-
- /* ...force disabling of IPI interrupts */
-
- _xtos_ints_off(1 << DSP_IPC_FROM_AP_INT_NO);
- /* ...reset waiting object upon leaving */
- waitstate = 0;
-
-#endif
-}
-#endif
-#ifdef XAF_ENABLE_NON_HIKEY
-/* ...complete IPI waiting (may be called from any context on local core) */
-static inline void xf_ipi_resume(u32 core)
-{
- xf_core_ro_data_t *ro = XF_CORE_RO_DATA(core);
-
- /* ...single instruction is written atomically; no need to mask interrupts */
- ro->ipc.wait = 1;
-}
-#else
-/* ...complete IPI waiting (may be called from any context on local core) */
-static inline void xf_ipi_resume(u32 core)
-{
- unsigned int ipc_int_state = 0;
- unsigned int ipc_data = 0;
-
- _xtos_ints_off(1 << DSP_IPC_FROM_AP_INT_NO);
-
- //process message
- ipc_int_state = SYS_IPC_CPUIRST(DSP_SYS_IPC_BASE_ADDR_NS, SYS_IPC_CORE_HIFI);
-
- if (ipc_int_state & BIT_MASK(DSP_AP_TO_DSP_MAILBOX_NO)) { //mailbox-18
- SYS_IPC_ICLR(DSP_SYS_IPC_BASE_ADDR_NS, DSP_AP_TO_DSP_MAILBOX_NO) = BIT_MASK(SYS_IPC_CORE_HIFI);
- waitstate = 1;
- }
-
- //_xtos_ints_on(1 << DSP_IPC_FROM_AP_INT_NO);
-
- return;
-}
-#endif
-#if 0//ndef HIKEY_XAF_IPC_COMMENT_OUT
-/* ...notify remote side about status change */
-//#define XF_PROXY_NOTIFY_PEER(core) dsp_ipc_send_irq_to_ap()
-
-static inline void dsp_ipc_send_irq_to_ap(void)
-{
- unsigned int mode = 0;
- unsigned int mode_1 = 0;
-
- mode = SYS_IPC_MODE(DSP_SYS_IPC_BASE_ADDR_NS, DSP_DSP_TO_AP_MAILBOX_NO);
-
- if (mode & BIT_MASK(SYS_IPC_MODE_IDLE)) {
- mode_1=0;
- } else {
- return;
- }
-
-
- SYS_IPC_SOURCE(DSP_SYS_IPC_BASE_ADDR_NS, DSP_DSP_TO_AP_MAILBOX_NO) = BIT_MASK(SYS_IPC_CORE_HIFI);
- SYS_IPC_IMASK(DSP_SYS_IPC_BASE_ADDR_NS, DSP_DSP_TO_AP_MAILBOX_NO) = ~((unsigned int)(BIT_MASK(SYS_IPC_CORE_HIFI)|BIT_MASK(SYS_IPC_CORE_A15)));
- SYS_IPC_DATA(DSP_SYS_IPC_BASE_ADDR_NS, DSP_DSP_TO_AP_MAILBOX_NO, 0) = IPC_ACPU_INT_SRC_HIFI_MSG;
- SYS_IPC_MODE(DSP_SYS_IPC_BASE_ADDR_NS, DSP_DSP_TO_AP_MAILBOX_NO) = BIT_MASK(SYS_IPC_MODE_AUTOACK);
- SYS_IPC_SEND(DSP_SYS_IPC_BASE_ADDR_NS, DSP_DSP_TO_AP_MAILBOX_NO) = BIT_MASK(SYS_IPC_CORE_HIFI);
-
- return;
-}
-#endif
-/* ...assert IPI interrupt on remote core - board-specific */
-static inline void xf_ipi_assert(u32 core)
-{
- XF_PROXY_NOTIFY_PEER(core);
-}
-
-#ifdef XAF_ENABLE_NON_HIKEY
-/* ...initialize IPI subsystem */
-static inline int xf_ipi_init(u32 core)
-{
- xf_core_ro_data_t *ro = XF_CORE_RO_DATA(core);
- extern void (* const xf_ipi_handlers[])(void);
-
- /* ...reset IPC data - no interrupt yet */
- ro->ipc.wait = 0;
-
- /* ...install interrupt handler */
- _xtos_set_interrupt_handler(XF_PROXY_IPI_NUM(core), xf_ipi_handlers[core]);
-
- return 0;
-}
-#else
-/* ...initialize IPI subsystem */
-static inline int xf_ipi_init(u32 core)
-{
-
- waitstate =0;
-
- dsp_debug_init();
- //dsp_init_share_mem(HIKEY_AP2DSP_MSG_QUEUE_ADDR,HIKEY_DSP2AP_MSG_QUEUE_SIZE);
- /* unlock reg */
- SYS_IPC_LOCK(DSP_SYS_IPC_BASE_ADDR_NS) = 0x1ACCE551;
- //VOS_ConnectInterrupt(DSP_IPC_FROM_AP_INT_NO, _ap_to_dsp_ipc_irq_proc);
- VOS_ConnectInterrupt(DSP_IPC_FROM_AP_INT_NO, xf_ipi_resume);
-
-// VOS_EnableInterrupt(DSP_IPC_FROM_AP_INT_NO);
-
- return;
-}
-#endif
-
-/*******************************************************************************
- * Shared memory operations
- ******************************************************************************/
-
-/* ...NULL-address specification */
-#define XF_PROXY_NULL (~0U)
-
-/* ...invalid proxy address */
-#define XF_PROXY_BADADDR XF_CFG_REMOTE_IPC_POOL_SIZE
-/* ...translate buffer address to shared proxy address */
-static inline u32 xf_ipc_b2a(u32 core, void *b)
-{
- xf_shmem_data_t *shmem = XF_CORE_DATA(core)->shmem;
- void *start = shmem->buffer;
-
- if (b == NULL)
- return XF_PROXY_NULL;
- else if ((s32)(b - start) < XF_CFG_REMOTE_IPC_POOL_SIZE)
- return (u32)(b - start);
- else
- return XF_PROXY_BADADDR;
-}
-/* ...translate shared proxy address to local pointer */
-static inline void * xf_ipc_a2b(u32 core, u32 address)
-{
- xf_shmem_data_t *shmem = XF_CORE_DATA(core)->shmem;
- void *start = shmem->buffer;
-
- if (address < XF_CFG_REMOTE_IPC_POOL_SIZE)
- return start + address;
- else if (address == XF_PROXY_NULL)
- return NULL;
- else
- return (void *)-1;
-}
-
-/* ...component association with remote IPC client */
-static inline void xf_ipc_component_addref(u32 session)
-{
-}
-
-/* ...delete record about component association with remote IPC client */
-static inline void xf_ipc_component_rmref(u32 id)
-{
-}
-
-/* ...system-specific IPC layer initialization */
-extern int xf_ipc_init(u32 core);
-
-/*******************************************************************************
- * Mutex definitions
- ******************************************************************************/
-
-/* ...export shared memory access macros */
-#define MUTEX_SHARED_READ(core) \
- ({ xf_core_ro_data_t *__ro = XF_CORE_RO_DATA(core); __ro->lock[0]; })
-
-#define MUTEX_SHARED_WRITE(core, val) \
- ({ xf_core_ro_data_t *__ro = XF_CORE_RO_DATA(core); __ro->lock[0] = (val); })
-
-/* ...include library header */
-#include "lib/mutex.h"
-
-#if XF_CFG_CORES_NUM > 1
-/* ...rename API functions */
-static inline void xf_mutex_lock(u32 core)
-{
- mutex_lock(core);
-}
-
-static inline void xf_mutex_unlock(u32 core)
-{
- mutex_unlock(core);
-}
-
-#else
-/* ...for single-core setting no locking is actually needed */
-static inline void xf_mutex_lock(u32 core)
-{
-}
-
-static inline void xf_mutex_unlock(u32 core)
-{
-}
-
-#endif /* XF_CFG_CORES_NUM > 1 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-14 22:39:06 +0000