diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/src/bufq.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/src/bufq.c | 589 |
1 files changed, 0 insertions, 589 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/src/bufq.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/src/bufq.c deleted file mode 100644 index ffbcdd80d934..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/src/bufq.c +++ /dev/null @@ -1,589 +0,0 @@ -/* - * Support for Intel Camera Imaging ISP subsystem. - * Copyright (c) 2015, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - */ - -#include "assert_support.h" /* assert */ -#include "ia_css_buffer.h" -#include "sp.h" -#include "ia_css_bufq.h" /* Bufq API's */ -#include "ia_css_queue.h" /* ia_css_queue_t */ -#include "sw_event_global.h" /* Event IDs.*/ -#include "ia_css_eventq.h" /* ia_css_eventq_recv()*/ -#include "ia_css_debug.h" /* ia_css_debug_dtrace*/ -#include "sh_css_internal.h" /* sh_css_queue_type */ -#include "sp_local.h" /* sp_address_of */ -#include "ia_css_util.h" /* ia_css_convert_errno()*/ -#include "sh_css_firmware.h" /* sh_css_sp_fw*/ - -#define BUFQ_DUMP_FILE_NAME_PREFIX_SIZE 256 - -static char prefix[BUFQ_DUMP_FILE_NAME_PREFIX_SIZE] = {0}; - -/*********************************************************/ -/* Global Queue objects used by CSS */ -/*********************************************************/ - -#ifndef ISP2401 - -struct sh_css_queues { - /* Host2SP buffer queue */ - ia_css_queue_t host2sp_buffer_queue_handles - [SH_CSS_MAX_SP_THREADS][SH_CSS_MAX_NUM_QUEUES]; - /* SP2Host buffer queue */ - ia_css_queue_t sp2host_buffer_queue_handles - [SH_CSS_MAX_NUM_QUEUES]; - - /* Host2SP event queue */ - ia_css_queue_t host2sp_psys_event_queue_handle; - - /* SP2Host event queue */ - ia_css_queue_t sp2host_psys_event_queue_handle; - -#if !defined(HAS_NO_INPUT_SYSTEM) - /* Host2SP ISYS event queue */ - ia_css_queue_t host2sp_isys_event_queue_handle; - - /* SP2Host ISYS event queue */ - ia_css_queue_t sp2host_isys_event_queue_handle; -#endif - /* Tagger command queue */ - ia_css_queue_t host2sp_tag_cmd_queue_handle; -}; - -#else - -struct sh_css_queues { - /* Host2SP buffer queue */ - ia_css_queue_t host2sp_buffer_queue_handles - [SH_CSS_MAX_SP_THREADS][SH_CSS_MAX_NUM_QUEUES]; - /* SP2Host buffer queue */ - ia_css_queue_t sp2host_buffer_queue_handles - [SH_CSS_MAX_NUM_QUEUES]; - - /* Host2SP event queue */ - ia_css_queue_t host2sp_psys_event_queue_handle; - - /* SP2Host event queue */ - ia_css_queue_t sp2host_psys_event_queue_handle; - -#if !defined(HAS_NO_INPUT_SYSTEM) - /* Host2SP ISYS event queue */ - ia_css_queue_t host2sp_isys_event_queue_handle; - - /* SP2Host ISYS event queue */ - ia_css_queue_t sp2host_isys_event_queue_handle; - - /* Tagger command queue */ - ia_css_queue_t host2sp_tag_cmd_queue_handle; -#endif -}; - -#endif - -/******************************************************* -*** Static variables -********************************************************/ -static struct sh_css_queues css_queues; - -static int buffer_type_to_queue_id_map[SH_CSS_MAX_SP_THREADS][IA_CSS_NUM_DYNAMIC_BUFFER_TYPE]; -static bool queue_availability[SH_CSS_MAX_SP_THREADS][SH_CSS_MAX_NUM_QUEUES]; - -/******************************************************* -*** Static functions -********************************************************/ -static void map_buffer_type_to_queue_id( - unsigned int thread_id, - enum ia_css_buffer_type buf_type - ); -static void unmap_buffer_type_to_queue_id( - unsigned int thread_id, - enum ia_css_buffer_type buf_type - ); - -static ia_css_queue_t *bufq_get_qhandle( - enum sh_css_queue_type type, - enum sh_css_queue_id id, - int thread - ); - -/******************************************************* -*** Public functions -********************************************************/ -void ia_css_queue_map_init(void) -{ - unsigned int i, j; - - for (i = 0; i < SH_CSS_MAX_SP_THREADS; i++) { - for (j = 0; j < SH_CSS_MAX_NUM_QUEUES; j++) - queue_availability[i][j] = true; - } - - for (i = 0; i < SH_CSS_MAX_SP_THREADS; i++) { - for (j = 0; j < IA_CSS_NUM_DYNAMIC_BUFFER_TYPE; j++) - buffer_type_to_queue_id_map[i][j] = SH_CSS_INVALID_QUEUE_ID; - } -} - -void ia_css_queue_map( - unsigned int thread_id, - enum ia_css_buffer_type buf_type, - bool map) -{ - assert(buf_type < IA_CSS_NUM_DYNAMIC_BUFFER_TYPE); - assert(thread_id < SH_CSS_MAX_SP_THREADS); - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_queue_map() enter: buf_type=%d, thread_id=%d\n", buf_type, thread_id); - - if (map) - map_buffer_type_to_queue_id(thread_id, buf_type); - else - unmap_buffer_type_to_queue_id(thread_id, buf_type); -} - -/* - * @brief Query the internal queue ID. - */ -bool ia_css_query_internal_queue_id( - enum ia_css_buffer_type buf_type, - unsigned int thread_id, - enum sh_css_queue_id *val) -{ - IA_CSS_ENTER("buf_type=%d, thread_id=%d, val = %p", buf_type, thread_id, val); - - if ((val == NULL) || (thread_id >= SH_CSS_MAX_SP_THREADS) || (buf_type >= IA_CSS_NUM_DYNAMIC_BUFFER_TYPE)) { - IA_CSS_LEAVE("return_val = false"); - return false; - } - - *val = buffer_type_to_queue_id_map[thread_id][buf_type]; - if ((*val == SH_CSS_INVALID_QUEUE_ID) || (*val >= SH_CSS_MAX_NUM_QUEUES)) { - IA_CSS_LOG("INVALID queue ID MAP = %d\n", *val); - IA_CSS_LEAVE("return_val = false"); - return false; - } - IA_CSS_LEAVE("return_val = true"); - return true; -} - -/******************************************************* -*** Static functions -********************************************************/ -static void map_buffer_type_to_queue_id( - unsigned int thread_id, - enum ia_css_buffer_type buf_type) -{ - unsigned int i; - - assert(thread_id < SH_CSS_MAX_SP_THREADS); - assert(buf_type < IA_CSS_NUM_DYNAMIC_BUFFER_TYPE); - assert(buffer_type_to_queue_id_map[thread_id][buf_type] == SH_CSS_INVALID_QUEUE_ID); - - /* queue 0 is reserved for parameters because it doesn't depend on events */ - if (buf_type == IA_CSS_BUFFER_TYPE_PARAMETER_SET) { - assert(queue_availability[thread_id][IA_CSS_PARAMETER_SET_QUEUE_ID]); - queue_availability[thread_id][IA_CSS_PARAMETER_SET_QUEUE_ID] = false; - buffer_type_to_queue_id_map[thread_id][buf_type] = IA_CSS_PARAMETER_SET_QUEUE_ID; - return; - } - - /* queue 1 is reserved for per frame parameters because it doesn't depend on events */ - if (buf_type == IA_CSS_BUFFER_TYPE_PER_FRAME_PARAMETER_SET) { - assert(queue_availability[thread_id][IA_CSS_PER_FRAME_PARAMETER_SET_QUEUE_ID]); - queue_availability[thread_id][IA_CSS_PER_FRAME_PARAMETER_SET_QUEUE_ID] = false; - buffer_type_to_queue_id_map[thread_id][buf_type] = IA_CSS_PER_FRAME_PARAMETER_SET_QUEUE_ID; - return; - } - - for (i = SH_CSS_QUEUE_C_ID; i < SH_CSS_MAX_NUM_QUEUES; i++) { - if (queue_availability[thread_id][i]) { - queue_availability[thread_id][i] = false; - buffer_type_to_queue_id_map[thread_id][buf_type] = i; - break; - } - } - - assert(i != SH_CSS_MAX_NUM_QUEUES); - return; -} - -static void unmap_buffer_type_to_queue_id( - unsigned int thread_id, - enum ia_css_buffer_type buf_type) -{ - int queue_id; - - assert(thread_id < SH_CSS_MAX_SP_THREADS); - assert(buf_type < IA_CSS_NUM_DYNAMIC_BUFFER_TYPE); - assert(buffer_type_to_queue_id_map[thread_id][buf_type] != SH_CSS_INVALID_QUEUE_ID); - - queue_id = buffer_type_to_queue_id_map[thread_id][buf_type]; - buffer_type_to_queue_id_map[thread_id][buf_type] = SH_CSS_INVALID_QUEUE_ID; - queue_availability[thread_id][queue_id] = true; -} - - -static ia_css_queue_t *bufq_get_qhandle( - enum sh_css_queue_type type, - enum sh_css_queue_id id, - int thread) -{ - ia_css_queue_t *q = NULL; - - switch (type) { - case sh_css_host2sp_buffer_queue: - if ((thread >= SH_CSS_MAX_SP_THREADS) || (thread < 0) || - (id == SH_CSS_INVALID_QUEUE_ID)) - break; - q = &css_queues.host2sp_buffer_queue_handles[thread][id]; - break; - case sh_css_sp2host_buffer_queue: - if (id == SH_CSS_INVALID_QUEUE_ID) - break; - q = &css_queues.sp2host_buffer_queue_handles[id]; - break; - case sh_css_host2sp_psys_event_queue: - q = &css_queues.host2sp_psys_event_queue_handle; - break; - case sh_css_sp2host_psys_event_queue: - q = &css_queues.sp2host_psys_event_queue_handle; - break; -#if !defined(HAS_NO_INPUT_SYSTEM) - case sh_css_host2sp_isys_event_queue: - q = &css_queues.host2sp_isys_event_queue_handle; - break; - case sh_css_sp2host_isys_event_queue: - q = &css_queues.sp2host_isys_event_queue_handle; - break; -#endif - case sh_css_host2sp_tag_cmd_queue: - q = &css_queues.host2sp_tag_cmd_queue_handle; - break; - default: - break; - } - - return q; -} - -/* Local function to initialize a buffer queue. This reduces - * the chances of copy-paste errors or typos. - */ -static inline void -init_bufq(unsigned int desc_offset, - unsigned int elems_offset, - ia_css_queue_t *handle) -{ - const struct ia_css_fw_info *fw; - unsigned int q_base_addr; - ia_css_queue_remote_t remoteq; - - fw = &sh_css_sp_fw; - q_base_addr = fw->info.sp.host_sp_queue; - - /* Setup queue location as SP and proc id as SP0_ID */ - remoteq.location = IA_CSS_QUEUE_LOC_SP; - remoteq.proc_id = SP0_ID; - remoteq.cb_desc_addr = q_base_addr + desc_offset; - remoteq.cb_elems_addr = q_base_addr + elems_offset; - /* Initialize the queue instance and obtain handle */ - ia_css_queue_remote_init(handle, &remoteq); -} - -void ia_css_bufq_init(void) -{ - int i, j; - - IA_CSS_ENTER_PRIVATE(""); - - /* Setup all the local queue descriptors for Host2SP Buffer Queues */ - for (i = 0; i < SH_CSS_MAX_SP_THREADS; i++) - for (j = 0; j < SH_CSS_MAX_NUM_QUEUES; j++) { - init_bufq((uint32_t)offsetof(struct host_sp_queues, host2sp_buffer_queues_desc[i][j]), - (uint32_t)offsetof(struct host_sp_queues, host2sp_buffer_queues_elems[i][j]), - &css_queues.host2sp_buffer_queue_handles[i][j]); - } - - /* Setup all the local queue descriptors for SP2Host Buffer Queues */ - for (i = 0; i < SH_CSS_MAX_NUM_QUEUES; i++) { - init_bufq(offsetof(struct host_sp_queues, sp2host_buffer_queues_desc[i]), - offsetof(struct host_sp_queues, sp2host_buffer_queues_elems[i]), - &css_queues.sp2host_buffer_queue_handles[i]); - } - - /* Host2SP event queue*/ - init_bufq((uint32_t)offsetof(struct host_sp_queues, host2sp_psys_event_queue_desc), - (uint32_t)offsetof(struct host_sp_queues, host2sp_psys_event_queue_elems), - &css_queues.host2sp_psys_event_queue_handle); - - /* SP2Host event queue */ - init_bufq((uint32_t)offsetof(struct host_sp_queues, sp2host_psys_event_queue_desc), - (uint32_t)offsetof(struct host_sp_queues, sp2host_psys_event_queue_elems), - &css_queues.sp2host_psys_event_queue_handle); - -#if !defined(HAS_NO_INPUT_SYSTEM) - /* Host2SP ISYS event queue */ - init_bufq((uint32_t)offsetof(struct host_sp_queues, host2sp_isys_event_queue_desc), - (uint32_t)offsetof(struct host_sp_queues, host2sp_isys_event_queue_elems), - &css_queues.host2sp_isys_event_queue_handle); - - /* SP2Host ISYS event queue*/ - init_bufq((uint32_t)offsetof(struct host_sp_queues, sp2host_isys_event_queue_desc), - (uint32_t)offsetof(struct host_sp_queues, sp2host_isys_event_queue_elems), - &css_queues.sp2host_isys_event_queue_handle); - - /* Host2SP tagger command queue */ - init_bufq((uint32_t)offsetof(struct host_sp_queues, host2sp_tag_cmd_queue_desc), - (uint32_t)offsetof(struct host_sp_queues, host2sp_tag_cmd_queue_elems), - &css_queues.host2sp_tag_cmd_queue_handle); -#endif - - IA_CSS_LEAVE_PRIVATE(""); -} - -enum ia_css_err ia_css_bufq_enqueue_buffer( - int thread_index, - int queue_id, - uint32_t item) -{ - enum ia_css_err return_err = IA_CSS_SUCCESS; - ia_css_queue_t *q; - int error; - - IA_CSS_ENTER_PRIVATE("queue_id=%d", queue_id); - if ((thread_index >= SH_CSS_MAX_SP_THREADS) || (thread_index < 0) || - (queue_id == SH_CSS_INVALID_QUEUE_ID)) - return IA_CSS_ERR_INVALID_ARGUMENTS; - - /* Get the queue for communication */ - q = bufq_get_qhandle(sh_css_host2sp_buffer_queue, - queue_id, - thread_index); - if (q != NULL) { - error = ia_css_queue_enqueue(q, item); - return_err = ia_css_convert_errno(error); - } else { - IA_CSS_ERROR("queue is not initialized"); - return_err = IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; - } - - IA_CSS_LEAVE_ERR_PRIVATE(return_err); - return return_err; -} - -enum ia_css_err ia_css_bufq_dequeue_buffer( - int queue_id, - uint32_t *item) -{ - enum ia_css_err return_err; - int error = 0; - ia_css_queue_t *q; - - IA_CSS_ENTER_PRIVATE("queue_id=%d", queue_id); - if ((item == NULL) || - (queue_id <= SH_CSS_INVALID_QUEUE_ID) || - (queue_id >= SH_CSS_MAX_NUM_QUEUES) - ) - return IA_CSS_ERR_INVALID_ARGUMENTS; - - q = bufq_get_qhandle(sh_css_sp2host_buffer_queue, - queue_id, - -1); - if (q != NULL) { - error = ia_css_queue_dequeue(q, item); - return_err = ia_css_convert_errno(error); - } else { - IA_CSS_ERROR("queue is not initialized"); - return_err = IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; - } - - IA_CSS_LEAVE_ERR_PRIVATE(return_err); - return return_err; -} - -enum ia_css_err ia_css_bufq_enqueue_psys_event( - uint8_t evt_id, - uint8_t evt_payload_0, - uint8_t evt_payload_1, - uint8_t evt_payload_2) -{ - enum ia_css_err return_err; - int error = 0; - ia_css_queue_t *q; - - IA_CSS_ENTER_PRIVATE("evt_id=%d", evt_id); - q = bufq_get_qhandle(sh_css_host2sp_psys_event_queue, -1, -1); - if (NULL == q) { - IA_CSS_ERROR("queue is not initialized"); - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; - } - - error = ia_css_eventq_send(q, - evt_id, evt_payload_0, evt_payload_1, evt_payload_2); - - return_err = ia_css_convert_errno(error); - IA_CSS_LEAVE_ERR_PRIVATE(return_err); - return return_err; -} - -enum ia_css_err ia_css_bufq_dequeue_psys_event( - uint8_t item[BUFQ_EVENT_SIZE]) -{ - enum ia_css_err; - int error = 0; - ia_css_queue_t *q; - - /* No ENTER/LEAVE in this function since this is polled - * by some test apps. Enablign logging here floods the log - * files which may cause timeouts. */ - if (item == NULL) - return IA_CSS_ERR_INVALID_ARGUMENTS; - - q = bufq_get_qhandle(sh_css_sp2host_psys_event_queue, -1, -1); - if (NULL == q) { - IA_CSS_ERROR("queue is not initialized"); - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; - } - error = ia_css_eventq_recv(q, item); - - return ia_css_convert_errno(error); - -} - -enum ia_css_err ia_css_bufq_dequeue_isys_event( - uint8_t item[BUFQ_EVENT_SIZE]) -{ -#if !defined(HAS_NO_INPUT_SYSTEM) - enum ia_css_err; - int error = 0; - ia_css_queue_t *q; - - /* No ENTER/LEAVE in this function since this is polled - * by some test apps. Enablign logging here floods the log - * files which may cause timeouts. */ - if (item == NULL) - return IA_CSS_ERR_INVALID_ARGUMENTS; - - q = bufq_get_qhandle(sh_css_sp2host_isys_event_queue, -1, -1); - if (q == NULL) { - IA_CSS_ERROR("queue is not initialized"); - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; - } - error = ia_css_eventq_recv(q, item); - return ia_css_convert_errno(error); -#else - (void)item; - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; -#endif -} - -enum ia_css_err ia_css_bufq_enqueue_isys_event(uint8_t evt_id) -{ -#if !defined(HAS_NO_INPUT_SYSTEM) - enum ia_css_err return_err; - int error = 0; - ia_css_queue_t *q; - - IA_CSS_ENTER_PRIVATE("event_id=%d", evt_id); - q = bufq_get_qhandle(sh_css_host2sp_isys_event_queue, -1, -1); - if (q == NULL) { - IA_CSS_ERROR("queue is not initialized"); - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; - } - - error = ia_css_eventq_send(q, evt_id, 0, 0, 0); - return_err = ia_css_convert_errno(error); - IA_CSS_LEAVE_ERR_PRIVATE(return_err); - return return_err; -#else - (void)evt_id; - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; -#endif -} - -enum ia_css_err ia_css_bufq_enqueue_tag_cmd( - uint32_t item) -{ -#if !defined(HAS_NO_INPUT_SYSTEM) - enum ia_css_err return_err; - int error = 0; - ia_css_queue_t *q; - - IA_CSS_ENTER_PRIVATE("item=%d", item); - q = bufq_get_qhandle(sh_css_host2sp_tag_cmd_queue, -1, -1); - if (NULL == q) { - IA_CSS_ERROR("queue is not initialized"); - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; - } - error = ia_css_queue_enqueue(q, item); - - return_err = ia_css_convert_errno(error); - IA_CSS_LEAVE_ERR_PRIVATE(return_err); - return return_err; -#else - (void)item; - return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE; -#endif -} - -enum ia_css_err ia_css_bufq_deinit(void) -{ - return IA_CSS_SUCCESS; -} - -static void bufq_dump_queue_info(const char *prefix, ia_css_queue_t *qhandle) -{ - uint32_t free = 0, used = 0; - assert(prefix != NULL && qhandle != NULL); - ia_css_queue_get_used_space(qhandle, &used); - ia_css_queue_get_free_space(qhandle, &free); - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, "%s: used=%u free=%u\n", - prefix, used, free); - -} - -void ia_css_bufq_dump_queue_info(void) -{ - int i, j; - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, "Queue Information:\n"); - - for (i = 0; i < SH_CSS_MAX_SP_THREADS; i++) { - for (j = 0; j < SH_CSS_MAX_NUM_QUEUES; j++) { - snprintf(prefix, BUFQ_DUMP_FILE_NAME_PREFIX_SIZE, - "host2sp_buffer_queue[%u][%u]", i, j); - bufq_dump_queue_info(prefix, - &css_queues.host2sp_buffer_queue_handles[i][j]); - } - } - - for (i = 0; i < SH_CSS_MAX_NUM_QUEUES; i++) { - snprintf(prefix, BUFQ_DUMP_FILE_NAME_PREFIX_SIZE, - "sp2host_buffer_queue[%u]", i); - bufq_dump_queue_info(prefix, - &css_queues.sp2host_buffer_queue_handles[i]); - } - bufq_dump_queue_info("host2sp_psys_event", - &css_queues.host2sp_psys_event_queue_handle); - bufq_dump_queue_info("sp2host_psys_event", - &css_queues.sp2host_psys_event_queue_handle); - -#if !defined(HAS_NO_INPUT_SYSTEM) - bufq_dump_queue_info("host2sp_isys_event", - &css_queues.host2sp_isys_event_queue_handle); - bufq_dump_queue_info("sp2host_isys_event", - &css_queues.sp2host_isys_event_queue_handle); - bufq_dump_queue_info("host2sp_tag_cmd", - &css_queues.host2sp_tag_cmd_queue_handle); -#endif -} |