linux-loongson/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.h
Pratap Nirujogi 55d42f6169 drm/amd/amdgpu: Add helper functions for isp buffers
Accessing amdgpu internal data structures "struct amdgpu_device"
and "struct amdgpu_bo" in ISP V4L2 driver to alloc/free GART
buffers is not recommended.

Add new amdgpu_isp helper functions that takes opaque params
from ISP V4L2 driver and calls the amdgpu internal functions
amdgpu_bo_create_isp_user() and amdgpu_bo_create_kernel() to
alloc/free GART buffers.

Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Pratap Nirujogi <pratap.nirujogi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-07-16 16:17:35 -04:00

61 lines
2.0 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
#ifndef __AMDGPU_ISP_H__
#define __AMDGPU_ISP_H__
#include <drm/amd/isp.h>
#include <linux/pm_domain.h>
#define ISP_REGS_OFFSET_END 0x629A4
struct amdgpu_isp;
struct isp_funcs {
int (*hw_init)(struct amdgpu_isp *isp);
int (*hw_fini)(struct amdgpu_isp *isp);
};
struct amdgpu_isp {
struct device *parent;
struct amdgpu_device *adev;
const struct isp_funcs *funcs;
struct mfd_cell *isp_cell;
struct resource *isp_res;
struct resource *isp_i2c_res;
struct resource *isp_gpio_res;
struct isp_platform_data *isp_pdata;
unsigned int harvest_config;
const struct firmware *fw;
struct generic_pm_domain ispgpd;
};
extern const struct amdgpu_ip_block_version isp_v4_1_0_ip_block;
extern const struct amdgpu_ip_block_version isp_v4_1_1_ip_block;
#endif /* __AMDGPU_ISP_H__ */