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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/include/cgs_common.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/include/cgs_common.h')
-rw-r--r-- | drivers/gpu/drm/amd/include/cgs_common.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h new file mode 100644 index 0000000000..60a6536ff6 --- /dev/null +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -0,0 +1,177 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * 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, sublicense, + * 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 above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * + */ +#ifndef _CGS_COMMON_H +#define _CGS_COMMON_H + +#include "amd_shared.h" + +struct cgs_device; + +/** + * enum cgs_ind_reg - Indirect register spaces + */ +enum cgs_ind_reg { + CGS_IND_REG__PCIE, + CGS_IND_REG__SMC, + CGS_IND_REG__UVD_CTX, + CGS_IND_REG__DIDT, + CGS_IND_REG_GC_CAC, + CGS_IND_REG_SE_CAC, + CGS_IND_REG__AUDIO_ENDPT +}; + +/* + * enum cgs_ucode_id - Firmware types for different IPs + */ +enum cgs_ucode_id { + CGS_UCODE_ID_SMU = 0, + CGS_UCODE_ID_SMU_SK, + CGS_UCODE_ID_SDMA0, + CGS_UCODE_ID_SDMA1, + CGS_UCODE_ID_CP_CE, + CGS_UCODE_ID_CP_PFP, + CGS_UCODE_ID_CP_ME, + CGS_UCODE_ID_CP_MEC, + CGS_UCODE_ID_CP_MEC_JT1, + CGS_UCODE_ID_CP_MEC_JT2, + CGS_UCODE_ID_GMCON_RENG, + CGS_UCODE_ID_RLC_G, + CGS_UCODE_ID_STORAGE, + CGS_UCODE_ID_MAXIMUM, +}; + +/** + * struct cgs_firmware_info - Firmware information + */ +struct cgs_firmware_info { + uint16_t version; + uint16_t fw_version; + uint16_t feature_version; + uint32_t image_size; + uint64_t mc_addr; + + /* only for smc firmware */ + uint32_t ucode_start_address; + + void *kptr; + bool is_kicker; +}; + +typedef unsigned long cgs_handle_t; + +/** + * cgs_read_register() - Read an MMIO register + * @cgs_device: opaque device handle + * @offset: register offset + * + * Return: register value + */ +typedef uint32_t (*cgs_read_register_t)(struct cgs_device *cgs_device, unsigned offset); + +/** + * cgs_write_register() - Write an MMIO register + * @cgs_device: opaque device handle + * @offset: register offset + * @value: register value + */ +typedef void (*cgs_write_register_t)(struct cgs_device *cgs_device, unsigned offset, + uint32_t value); + +/** + * cgs_read_ind_register() - Read an indirect register + * @cgs_device: opaque device handle + * @offset: register offset + * + * Return: register value + */ +typedef uint32_t (*cgs_read_ind_register_t)(struct cgs_device *cgs_device, enum cgs_ind_reg space, + unsigned index); + +/** + * cgs_write_ind_register() - Write an indirect register + * @cgs_device: opaque device handle + * @offset: register offset + * @value: register value + */ +typedef void (*cgs_write_ind_register_t)(struct cgs_device *cgs_device, enum cgs_ind_reg space, + unsigned index, uint32_t value); + +#define CGS_REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT +#define CGS_REG_FIELD_MASK(reg, field) reg##__##field##_MASK + +#define CGS_REG_SET_FIELD(orig_val, reg, field, field_val) \ + (((orig_val) & ~CGS_REG_FIELD_MASK(reg, field)) | \ + (CGS_REG_FIELD_MASK(reg, field) & ((field_val) << CGS_REG_FIELD_SHIFT(reg, field)))) + +#define CGS_REG_GET_FIELD(value, reg, field) \ + (((value) & CGS_REG_FIELD_MASK(reg, field)) >> CGS_REG_FIELD_SHIFT(reg, field)) + +#define CGS_WREG32_FIELD(device, reg, field, val) \ + cgs_write_register(device, mm##reg, (cgs_read_register(device, mm##reg) & ~CGS_REG_FIELD_MASK(reg, field)) | (val) << CGS_REG_FIELD_SHIFT(reg, field)) + +#define CGS_WREG32_FIELD_IND(device, space, reg, field, val) \ + cgs_write_ind_register(device, space, ix##reg, (cgs_read_ind_register(device, space, ix##reg) & ~CGS_REG_FIELD_MASK(reg, field)) | (val) << CGS_REG_FIELD_SHIFT(reg, field)) + +typedef int (*cgs_get_firmware_info)(struct cgs_device *cgs_device, + enum cgs_ucode_id type, + struct cgs_firmware_info *info); + +struct cgs_ops { + /* MMIO access */ + cgs_read_register_t read_register; + cgs_write_register_t write_register; + cgs_read_ind_register_t read_ind_register; + cgs_write_ind_register_t write_ind_register; + /* Firmware Info */ + cgs_get_firmware_info get_firmware_info; +}; + +struct cgs_os_ops; /* To be define in OS-specific CGS header */ + +struct cgs_device +{ + const struct cgs_ops *ops; + /* to be embedded at the start of driver private structure */ +}; + +/* Convenience macros that make CGS indirect function calls look like + * normal function calls */ +#define CGS_CALL(func,dev,...) \ + (((struct cgs_device *)dev)->ops->func(dev, ##__VA_ARGS__)) +#define CGS_OS_CALL(func,dev,...) \ + (((struct cgs_device *)dev)->os_ops->func(dev, ##__VA_ARGS__)) + +#define cgs_read_register(dev,offset) \ + CGS_CALL(read_register,dev,offset) +#define cgs_write_register(dev,offset,value) \ + CGS_CALL(write_register,dev,offset,value) +#define cgs_read_ind_register(dev,space,index) \ + CGS_CALL(read_ind_register,dev,space,index) +#define cgs_write_ind_register(dev,space,index,value) \ + CGS_CALL(write_ind_register,dev,space,index,value) + +#define cgs_get_firmware_info(dev, type, info) \ + CGS_CALL(get_firmware_info, dev, type, info) + +#endif /* _CGS_COMMON_H */ |