replace common qcom sources with samsung ones
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SaschaNes
141
qcom/opensource/mm-sys-kernel/ubwcp/include/kernel/ubwcp.h
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141
qcom/opensource/mm-sys-kernel/ubwcp/include/kernel/ubwcp.h
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __UBWCP_H_
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#define __UBWCP_H_
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#include <linux/types.h>
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#include <linux/dma-buf.h>
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#include "../uapi/ubwcp_ioctl.h"
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typedef int (*configure_mmap)(struct dma_buf *dmabuf, bool linear, phys_addr_t ula_pa_addr,
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size_t ula_pa_size);
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/**
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* Get UBWCP hardware version
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*
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* @param ver : ptr to ver struct where hw version will be
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* copied
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*
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* @return int : 0 on success, otherwise error code
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*/
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int ubwcp_get_hw_version(struct ubwcp_ioctl_hw_version *ver);
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/**
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* Configures ubwcp buffer with the provided buffer image
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* attributes. This call must be done at least once before
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* ubwcp_lock(). Attributes can be configured multiple times,
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* but only during unlocked state.
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*
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* Upon error, buffer will be in undefined state.
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* There is no guarantee that previously set attributes will be retained.
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* Caller could retry set attributes, but must not reuse buffer
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* until a successful set attribute call is done.
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*
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* @param dmabuf : ptr to the dma buf
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* @param attr : buffer attributes to set
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*
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* @return int : 0 on success, otherwise error code
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*/
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int ubwcp_set_buf_attrs(struct dma_buf *dmabuf, struct ubwcp_buffer_attrs *attr);
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/**
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* Get the currently configured attributes for the buffer
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*
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* @param dmabuf : ptr to the dma buf
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* @param attr : pointer to location where image attributes
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* for this buffer will be copied to.
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*
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* @return int : 0 on success, otherwise error code
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*/
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int ubwcp_get_buf_attrs(struct dma_buf *dmabuf, struct ubwcp_buffer_attrs *attr);
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/**
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* Set permanent range translation for the buffer. This reserves
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* ubwcp address translation resources for the buffer until free
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* is called. This may speed up lock()/unlock() calls as they
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* don't need to configure address translations for the buffer.
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*
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* @param dmabuf : ptr to the dma buf
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* @param enable : true == enable, false == disable
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*
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* @return int : 0 on success, otherwise error code
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*/
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int ubwcp_set_perm_range_translation(struct dma_buf *dmabuf, bool enable);
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enum ubwcp_error {
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UBWCP_ENCODE_ERROR = 0,
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UBWCP_DECODE_ERROR,
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UBWCP_RANGE_TRANSLATION_ERROR,
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UBWCP_SMMU_FAULT,
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UBWCP_UNKNOWN_ERROR,
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};
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enum iommu_cb_id {
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UBWCP_DESC_CB_ID = 0,
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UBWCP_BUF_CB_ID,
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UBWCP_UNKNOWN_CB_ID,
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};
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struct ubwcp_enc_err_info {
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struct dma_buf *dmabuf;
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phys_addr_t ula_pa;
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};
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struct ubwcp_dec_err_info {
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struct dma_buf *dmabuf;
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phys_addr_t ula_pa;
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};
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struct ubwcp_translation_err_info {
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struct dma_buf *dmabuf;
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phys_addr_t ula_pa;
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bool read;
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};
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struct ubwcp_smmu_fault_err_info {
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struct dma_buf *dmabuf;
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unsigned long iova;
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enum iommu_cb_id iommu_dev_id;
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int iommu_fault_flags;
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};
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struct ubwcp_err_info {
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enum ubwcp_error err_code;
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union {
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struct ubwcp_enc_err_info enc_err;
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struct ubwcp_dec_err_info dec_err;
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struct ubwcp_translation_err_info translation_err;
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struct ubwcp_smmu_fault_err_info smmu_err;
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};
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};
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typedef void (*ubwcp_error_handler_t)(struct ubwcp_err_info *err, void *data);
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/*
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* Register an error handler
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*
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* @param client_id : not currently supported (pass in -1)
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* @param handler : the error handler function which will be called when an
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* error occurs
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* @param data : data pointer provided with the error handler function
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*
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* @return int : 0 on success, otherwise error code
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*/
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int ubwcp_register_error_handler(u32 client_id, ubwcp_error_handler_t handler,
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void *data);
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/*
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* Unregister an error handler
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*
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* @param client_id : client id of handler to unregister (pass in -1)
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*
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* @return int : 0 on success, otherwise error code
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*/
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int ubwcp_unregister_error_handler(u32 client_id);
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#endif /* __UBWCP_H_ */
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151
qcom/opensource/mm-sys-kernel/ubwcp/include/uapi/ubwcp_ioctl.h
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151
qcom/opensource/mm-sys-kernel/ubwcp/include/uapi/ubwcp_ioctl.h
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@@ -0,0 +1,151 @@
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/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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/*
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* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __UBWCP_IOCTL_H_
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#define __UBWCP_IOCTL_H_
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#define UBWCP_IOCTL_SET_BUF_ATTR _IOW('U', 1, struct ubwcp_ioctl_buffer_attrs)
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#define UBWCP_IOCTL_GET_HW_VER _IOR('U', 2, struct ubwcp_ioctl_hw_version)
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#define UBWCP_IOCTL_GET_STRIDE_ALIGN _IOWR('U', 3, struct ubwcp_ioctl_stride_align)
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#define UBWCP_IOCTL_VALIDATE_STRIDE _IOWR('U', 4, struct ubwcp_ioctl_validate_stride)
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enum ubwcp_image_format {
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UBWCP_LINEAR = 0,
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UBWCP_RGBA8888,
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UBWCP_NV12,
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UBWCP_NV12_Y,
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UBWCP_NV12_UV,
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UBWCP_NV124R,
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UBWCP_NV124R_Y,
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UBWCP_NV124R_UV,
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UBWCP_TP10,
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UBWCP_TP10_Y,
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UBWCP_TP10_UV,
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UBWCP_P010,
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UBWCP_P010_Y,
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UBWCP_P010_UV,
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UBWCP_P016,
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UBWCP_P016_Y,
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UBWCP_P016_UV,
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};
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enum ubwcp_compression_type {
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UBWCP_COMPRESSION_LOSSLESS = 0,
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};
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enum ubwcp_subsample {
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UBWCP_SUBSAMPLE_4_2_0 = 0,
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};
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#define UBWCP_SUBSYSTEM_TARGET_CPU (1 << 0)
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/**
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* @image_format: image format
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* @major_ubwc_ver: set to 0. This is not HW version.
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* @minor_ubwc_ver: set to 0. This is not HW version.
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* @compression_type: only lossless is supported.
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* @lossy_params: set to 0
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* @width: image width (pixels)
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* @height: image height (pixels)
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* @stride: image stride (bytes)
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* @scanlines: number of scanlines
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* @planar_padding: padding between Y and UV planes (bytes)
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* @subsample: only 4:2:0 is supported
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* @sub_system_target: only CPU is supported
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* @y_offset: set to 0
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* @batch_size: set to 1
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*
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* All pad[x] and unused[x] fields must be set to 0
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*/
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struct ubwcp_buffer_attrs {
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__u16 image_format; /* enum ubwcp_image_format */
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__u16 major_ubwc_ver; /* per-buffer version: must be set to 0 */
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__u16 minor_ubwc_ver; /* per-buffer version: must be set to 0 */
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__u16 compression_type; /* enum ubwcp_compression_type */
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__u64 lossy_params; /* must be set to 0 */
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__u32 width;
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__u32 height;
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__u32 stride;
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__u32 scanlines;
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__u32 planar_padding;
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__u32 subsample; /* enum enum ubwcp_subsample */
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__u32 sub_system_target;/* bit mask: UBWCP_SUBSYSTEM_TARGET_XXX */
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__u32 y_offset; /* must be set to 0 */
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__u32 batch_size; /* only size supported: 1 */
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__u32 unused1;
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__u32 unused2;
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__u32 unused3;
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__u32 unused4;
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__u32 unused5;
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__u32 unused6;
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__u32 unused7;
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__u32 unused8;
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__u32 unused9;
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};
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/**
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* @fd: dma_buf file descriptor for the buffer whose
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* attributes are specified
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* @attr: ubwcp buffer attributes
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*/
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struct ubwcp_ioctl_buffer_attrs {
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__u32 fd;
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__u32 pad;
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struct ubwcp_buffer_attrs attr;
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};
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/**
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* ubwcp hardware version
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* @major: major version
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* @minor: minor version
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*/
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struct ubwcp_ioctl_hw_version {
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__u32 major;
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__u32 minor;
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};
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/**
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* Stride alignment for given format
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* @image_format: image format
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* @stride_align: stride alignment
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* @unused: must be set to 0
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* IOCTL will fail for linear image format
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*/
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struct ubwcp_ioctl_stride_align {
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__u16 image_format;
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__u16 stride_align;
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__u32 unused;
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};
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/**
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* validate stride
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* @image_format: image format
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* @width: image width in pixels
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* @stride: image stride in bytes
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* @valid: returns 0 (not valid), 1 (valid)
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* @unusedX: must be set to 0
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* IOCTL will fail for linear image format
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*/
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struct ubwcp_ioctl_validate_stride {
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__u16 image_format;
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__u32 width;
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__u32 stride;
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__u16 valid;
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__u16 unused1;
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__u16 unused2;
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};
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#endif /* __UBWCP_IOCTL_H_ */
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