143 lines
4.1 KiB
C
Executable File
143 lines
4.1 KiB
C
Executable File
/*
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* Copyright (C) 2012-2014, 2016-2017 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained from Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "mali_broadcast.h"
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#include "mali_kernel_common.h"
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#include "mali_osk.h"
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#define MALI_BROADCAST_REGISTER_SIZE 0x1000
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#define MALI_BROADCAST_REG_BROADCAST_MASK 0x0
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#define MALI_BROADCAST_REG_INTERRUPT_MASK 0x4
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struct mali_bcast_unit {
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struct mali_hw_core hw_core;
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u32 current_mask;
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};
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struct mali_bcast_unit *mali_bcast_unit_create(const _mali_osk_resource_t *resource)
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{
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struct mali_bcast_unit *bcast_unit = NULL;
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MALI_DEBUG_ASSERT_POINTER(resource);
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MALI_DEBUG_PRINT(2, ("Broadcast: Creating Mali Broadcast unit: %s\n",
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resource->description));
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bcast_unit = _mali_osk_malloc(sizeof(struct mali_bcast_unit));
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if (NULL == bcast_unit) {
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MALI_PRINT_ERROR(("Broadcast: Failed to allocate memory for Broadcast unit\n"));
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return NULL;
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}
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if (_MALI_OSK_ERR_OK == mali_hw_core_create(&bcast_unit->hw_core,
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resource, MALI_BROADCAST_REGISTER_SIZE)) {
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bcast_unit->current_mask = 0;
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mali_bcast_reset(bcast_unit);
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return bcast_unit;
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} else {
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MALI_PRINT_ERROR(("Broadcast: Failed map broadcast unit\n"));
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}
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_mali_osk_free(bcast_unit);
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return NULL;
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}
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void mali_bcast_unit_delete(struct mali_bcast_unit *bcast_unit)
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{
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MALI_DEBUG_ASSERT_POINTER(bcast_unit);
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mali_hw_core_delete(&bcast_unit->hw_core);
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_mali_osk_free(bcast_unit);
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}
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/* Call this function to add the @group's id into bcast mask
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* Note: redundant calling this function with same @group
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* doesn't make any difference as calling it once
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*/
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void mali_bcast_add_group(struct mali_bcast_unit *bcast_unit,
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struct mali_group *group)
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{
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u32 bcast_id;
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u32 broadcast_mask;
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MALI_DEBUG_ASSERT_POINTER(bcast_unit);
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MALI_DEBUG_ASSERT_POINTER(group);
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bcast_id = mali_pp_core_get_bcast_id(mali_group_get_pp_core(group));
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broadcast_mask = bcast_unit->current_mask;
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broadcast_mask |= (bcast_id); /* add PP core to broadcast */
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broadcast_mask |= (bcast_id << 16); /* add MMU to broadcast */
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/* store mask so we can restore on reset */
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bcast_unit->current_mask = broadcast_mask;
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}
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/* Call this function to remove @group's id from bcast mask
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* Note: redundant calling this function with same @group
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* doesn't make any difference as calling it once
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*/
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void mali_bcast_remove_group(struct mali_bcast_unit *bcast_unit,
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struct mali_group *group)
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{
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u32 bcast_id;
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u32 broadcast_mask;
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MALI_DEBUG_ASSERT_POINTER(bcast_unit);
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MALI_DEBUG_ASSERT_POINTER(group);
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bcast_id = mali_pp_core_get_bcast_id(mali_group_get_pp_core(group));
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broadcast_mask = bcast_unit->current_mask;
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broadcast_mask &= ~((bcast_id << 16) | bcast_id);
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/* store mask so we can restore on reset */
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bcast_unit->current_mask = broadcast_mask;
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}
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void mali_bcast_reset(struct mali_bcast_unit *bcast_unit)
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{
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MALI_DEBUG_ASSERT_POINTER(bcast_unit);
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MALI_DEBUG_PRINT(4,
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("Broadcast: setting mask 0x%08X + 0x%08X (reset)\n",
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bcast_unit->current_mask,
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bcast_unit->current_mask & 0xFF));
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/* set broadcast mask */
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mali_hw_core_register_write(&bcast_unit->hw_core,
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MALI_BROADCAST_REG_BROADCAST_MASK,
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bcast_unit->current_mask);
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/* set IRQ override mask */
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mali_hw_core_register_write(&bcast_unit->hw_core,
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MALI_BROADCAST_REG_INTERRUPT_MASK,
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bcast_unit->current_mask & 0xFF);
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}
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void mali_bcast_disable(struct mali_bcast_unit *bcast_unit)
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{
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MALI_DEBUG_ASSERT_POINTER(bcast_unit);
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MALI_DEBUG_PRINT(4, ("Broadcast: setting mask 0x0 + 0x0 (disable)\n"));
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/* set broadcast mask */
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mali_hw_core_register_write(&bcast_unit->hw_core,
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MALI_BROADCAST_REG_BROADCAST_MASK,
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0x0);
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/* set IRQ override mask */
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mali_hw_core_register_write(&bcast_unit->hw_core,
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MALI_BROADCAST_REG_INTERRUPT_MASK,
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0x0);
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}
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