| /* |
| * Copyright (C) 2016 Samsung Electronics Co., Ltd. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef _UFS_EXYNOS_SMU_H_ |
| #define _UFS_EXYNOS_SMU_H_ |
| |
| #ifdef CONFIG_SCSI_UFS_EXYNOS_SMU |
| int exynos_ufs_smu_get_dev(struct exynos_ufs *ufs); |
| int exynos_ufs_smu_init(struct exynos_ufs *ufs); |
| int exynos_ufs_smu_sec_cfg(struct exynos_ufs *ufs); |
| int exynos_ufs_smu_resume(struct exynos_ufs *ufs); |
| int exynos_ufs_smu_abort(struct exynos_ufs *ufs); |
| #else |
| inline int exynos_ufs_smu_get_dev(struct exynos_ufs *ufs) |
| { |
| if (ufs) { |
| ufs->smu.pdev = NULL; |
| ufs->smu.vops = NULL; |
| } |
| return -ENODEV; |
| } |
| |
| inline int exynos_ufs_smu_init(struct exynos_ufs *ufs) |
| { |
| writel(0x0, ufs->reg_ufsp + UFSPSBEGIN0); |
| writel(0xffffffff, ufs->reg_ufsp + UFSPSEND0); |
| writel(0xff, ufs->reg_ufsp + UFSPSLUN0); |
| writel(0xf1, ufs->reg_ufsp + UFSPSCTRL0); |
| |
| return 0; |
| } |
| |
| inline int exynos_ufs_smu_sec_cfg(struct exynos_ufs *ufs) |
| { |
| return 0; |
| } |
| |
| inline int exynos_ufs_smu_resume(struct exynos_ufs *ufs) |
| { |
| writel(0x0, ufs->reg_ufsp + UFSPSBEGIN0); |
| writel(0xffffffff, ufs->reg_ufsp + UFSPSEND0); |
| writel(0xff, ufs->reg_ufsp + UFSPSLUN0); |
| writel(0xf1, ufs->reg_ufsp + UFSPSCTRL0); |
| |
| return 0; |
| } |
| |
| inline int exynos_ufs_smu_abort(struct exynos_ufs *ufs) |
| { |
| return 0; |
| } |
| |
| #endif /* CONFIG_SCSI_UFS_EXYNOS_SMU */ |
| #endif /* _UFS_EXYNOS_SMU_H_ */ |