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| author | Stanley Chu <stanley.chu@mediatek.com> | 2022-06-16 08:37:21 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-06-17 05:08:44 +0300 |
| commit | bc602ae977f3e6d47cd4c9c7aebc431019206712 (patch) | |
| tree | 645858377c625d722e604ab167a1fc4b5c2b6262 /drivers/ufs/host/ufs-mediatek.h | |
| parent | 0836cc252a5206d7308b91030f7eac186fa73c35 (diff) | |
| download | linux-bc602ae977f3e6d47cd4c9c7aebc431019206712.tar.xz | |
scsi: ufs: ufs-mediatek: Support flexible parameters for SMC calls
Provide flexible number of parameters for UFS SMC calls to be used in a
subsequent commit.
Link: https://lore.kernel.org/r/20220616053725.5681-8-stanley.chu@mediatek.com
Signed-off-by: Alice Chao <alice.chao@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs/host/ufs-mediatek.h')
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h index 7e1913769671..bf6ca96cafb6 100644 --- a/drivers/ufs/host/ufs-mediatek.h +++ b/drivers/ufs/host/ufs-mediatek.h @@ -143,4 +143,43 @@ struct ufs_mtk_host { u32 ip_ver; }; +/* + * SMC call wrapper function + */ +struct ufs_mtk_smc_arg { + unsigned long cmd; + struct arm_smccc_res *res; + unsigned long v1; + unsigned long v2; + unsigned long v3; + unsigned long v4; + unsigned long v5; + unsigned long v6; + unsigned long v7; +}; + +static void _ufs_mtk_smc(struct ufs_mtk_smc_arg s) +{ + arm_smccc_smc(MTK_SIP_UFS_CONTROL, + s.cmd, s.v1, s.v2, s.v3, s.v4, s.v5, s.v6, s.res); +} + +#define ufs_mtk_smc(...) \ + _ufs_mtk_smc((struct ufs_mtk_smc_arg) {__VA_ARGS__}) + +/* + * SMC call interface + */ +#define ufs_mtk_va09_pwr_ctrl(res, on) \ + ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, &(res), on) + +#define ufs_mtk_crypto_ctrl(res, enable) \ + ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, &(res), enable) + +#define ufs_mtk_ref_clk_notify(on, res) \ + ufs_mtk_smc(UFS_MTK_SIP_REF_CLK_NOTIFICATION, &(res), on) + +#define ufs_mtk_device_reset_ctrl(high, res) \ + ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, &(res), high) + #endif /* !_UFS_MEDIATEK_H */ |