| Swathi Sridhar | 5924e98 | 2018-07-31 12:19:55 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. |
| 4 | */ |
| 5 | |
| 6 | #ifndef __MSM_TZ_SMMU_H__ |
| 7 | #define __MSM_TZ_SMMU_H__ |
| 8 | |
| 9 | #include <linux/device.h> |
| 10 | |
| 11 | enum tz_smmu_device_id { |
| 12 | TZ_DEVICE_START = 0, |
| 13 | TZ_DEVICE_VIDEO = 0, |
| 14 | TZ_DEVICE_MDSS, |
| 15 | TZ_DEVICE_LPASS, |
| 16 | TZ_DEVICE_MDSS_BOOT, |
| 17 | TZ_DEVICE_USB1_HS, |
| 18 | TZ_DEVICE_OCMEM, |
| 19 | TZ_DEVICE_LPASS_CORE, |
| 20 | TZ_DEVICE_VPU, |
| 21 | TZ_DEVICE_COPSS_SMMU, |
| 22 | TZ_DEVICE_USB3_0, |
| 23 | TZ_DEVICE_USB3_1, |
| 24 | TZ_DEVICE_PCIE_0, |
| 25 | TZ_DEVICE_PCIE_1, |
| 26 | TZ_DEVICE_BCSS, |
| 27 | TZ_DEVICE_VCAP, |
| 28 | TZ_DEVICE_PCIE20, |
| 29 | TZ_DEVICE_IPA, |
| 30 | TZ_DEVICE_APPS, |
| 31 | TZ_DEVICE_GPU, |
| 32 | TZ_DEVICE_UFS, |
| 33 | TZ_DEVICE_ICE, |
| 34 | TZ_DEVICE_ROT, |
| 35 | TZ_DEVICE_VFE, |
| 36 | TZ_DEVICE_ANOC0, |
| 37 | TZ_DEVICE_ANOC1, |
| 38 | TZ_DEVICE_ANOC2, |
| 39 | TZ_DEVICE_CPP, |
| 40 | TZ_DEVICE_JPEG, |
| 41 | TZ_DEVICE_MAX, |
| 42 | }; |
| 43 | |
| 44 | #ifdef CONFIG_MSM_TZ_SMMU |
| 45 | |
| 46 | int msm_tz_smmu_atos_start(struct device *dev, int cb_num); |
| 47 | int msm_tz_smmu_atos_end(struct device *dev, int cb_num); |
| 48 | enum tz_smmu_device_id msm_dev_to_device_id(struct device *dev); |
| 49 | int msm_tz_set_cb_format(enum tz_smmu_device_id sec_id, int cbndx); |
| 50 | int msm_iommu_sec_pgtbl_init(void); |
| 51 | int register_iommu_sec_ptbl(void); |
| 52 | #else |
| 53 | |
| 54 | static inline int msm_tz_smmu_atos_start(struct device *dev, int cb_num) |
| 55 | { |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | static inline int msm_tz_smmu_atos_end(struct device *dev, int cb_num) |
| 60 | { |
| 61 | return 0; |
| 62 | } |
| 63 | |
| 64 | static inline enum tz_smmu_device_id msm_dev_to_device_id(struct device *dev) |
| 65 | { |
| 66 | return -EINVAL; |
| 67 | } |
| 68 | |
| 69 | static inline int msm_tz_set_cb_format(enum tz_smmu_device_id sec_id, |
| 70 | int cbndx) |
| 71 | { |
| 72 | return -EINVAL; |
| 73 | } |
| 74 | |
| 75 | static inline int msm_iommu_sec_pgtbl_init(void) |
| 76 | { |
| 77 | return -EINVAL; |
| 78 | } |
| 79 | |
| 80 | static inline int register_iommu_sec_ptbl(void) |
| 81 | { |
| 82 | return -EINVAL; |
| 83 | } |
| 84 | |
| 85 | static inline size_t msm_secure_smmu_unmap(struct iommu_domain *domain, |
| 86 | unsigned long iova, |
| 87 | size_t size) |
| 88 | { |
| 89 | return -EINVAL; |
| 90 | } |
| 91 | |
| 92 | static inline size_t msm_secure_smmu_map_sg(struct iommu_domain *domain, |
| 93 | unsigned long iova, |
| 94 | struct scatterlist *sg, |
| 95 | unsigned int nents, int prot) |
| 96 | { |
| 97 | return -EINVAL; |
| 98 | } |
| 99 | |
| 100 | static inline int msm_secure_smmu_map(struct iommu_domain *domain, |
| 101 | unsigned long iova, |
| 102 | phys_addr_t paddr, size_t size, int prot) |
| 103 | { |
| 104 | return -EINVAL; |
| 105 | } |
| 106 | |
| 107 | #endif /* CONFIG_MSM_TZ_SMMU */ |
| 108 | |
| 109 | #endif /* __MSM_TZ_SMMU_H__ */ |