| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that 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. |
| */ |
| |
| #ifndef CAM_JPEG_DMA_CORE_H |
| #define CAM_JPEG_DMA_CORE_H |
| |
| #include <linux/interrupt.h> |
| #include <linux/io.h> |
| #include <linux/of.h> |
| #include <linux/platform_device.h> |
| #include <linux/dma-buf.h> |
| |
| struct cam_jpeg_dma_device_hw_info { |
| uint32_t reserved; |
| }; |
| |
| struct cam_jpeg_dma_set_irq_cb { |
| int32_t (*jpeg_hw_mgr_cb)(uint32_t irq_status, |
| int32_t result_size, void *data); |
| void *data; |
| }; |
| |
| enum cam_jpeg_dma_core_state { |
| CAM_JPEG_DMA_CORE_NOT_READY, |
| CAM_JPEG_DMA_CORE_READY, |
| CAM_JPEG_DMA_CORE_RESETTING, |
| CAM_JPEG_DMA_CORE_STATE_MAX, |
| }; |
| |
| struct cam_jpeg_dma_device_core_info { |
| enum cam_jpeg_dma_core_state core_state; |
| struct cam_jpeg_dma_device_hw_info *jpeg_dma_hw_info; |
| uint32_t cpas_handle; |
| struct cam_jpeg_dma_set_irq_cb irq_cb; |
| int32_t ref_count; |
| struct mutex core_mutex; |
| }; |
| |
| int cam_jpeg_dma_init_hw(void *device_priv, |
| void *init_hw_args, uint32_t arg_size); |
| int cam_jpeg_dma_deinit_hw(void *device_priv, |
| void *init_hw_args, uint32_t arg_size); |
| int cam_jpeg_dma_process_cmd(void *device_priv, uint32_t cmd_type, |
| void *cmd_args, uint32_t arg_size); |
| irqreturn_t cam_jpeg_dma_irq(int irq_num, void *data); |
| |
| #endif /* CAM_JPEG_DMA_CORE_H */ |