| /* Copyright (c) 2012-2013, 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 __ARCH_ARM_MACH_MSM_IOMMU_PAGETABLE_H |
| #define __ARCH_ARM_MACH_MSM_IOMMU_PAGETABLE_H |
| |
| #define MRC(reg, processor, op1, crn, crm, op2) \ |
| __asm__ __volatile__ ( \ |
| " mrc " #processor "," #op1 ", %0," #crn "," #crm "," #op2 "\n" \ |
| : "=r" (reg)) |
| |
| #define RCP15_PRRR(reg) MRC(reg, p15, 0, c10, c2, 0) |
| #define RCP15_NMRR(reg) MRC(reg, p15, 0, c10, c2, 1) |
| |
| #define RCP15_MAIR0(reg) MRC(reg, p15, 0, c10, c2, 0) |
| #define RCP15_MAIR1(reg) MRC(reg, p15, 0, c10, c2, 1) |
| |
| struct msm_iommu_pt; |
| |
| void msm_iommu_pagetable_init(void); |
| int msm_iommu_pagetable_alloc(struct msm_iommu_pt *pt); |
| void msm_iommu_pagetable_free(struct msm_iommu_pt *pt); |
| int msm_iommu_pagetable_map(struct msm_iommu_pt *pt, unsigned long va, |
| phys_addr_t pa, size_t len, int prot); |
| size_t msm_iommu_pagetable_unmap(struct msm_iommu_pt *pt, unsigned long va, |
| size_t len); |
| int msm_iommu_pagetable_map_range(struct msm_iommu_pt *pt, unsigned int va, |
| struct scatterlist *sg, unsigned int len, int prot); |
| void msm_iommu_pagetable_unmap_range(struct msm_iommu_pt *pt, unsigned int va, |
| unsigned int len); |
| #endif |