[PATCH v4 07/10] scsi: ufs-mediatek: Support flexible parameters for smc calls

Stanley Chu
2022-06-15T03:52:16Z

Provide flexible number of parameters for UFS SMC calls to be
easily used for future SMC usages.

This is a preparation patch for the next patch.

Signed-off-by: Alice Chao <alice.chao@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
drivers/ufs/host/ufs-mediatek.c | 16 --------------
drivers/ufs/host/ufs-mediatek.h | 39 +++++++++++++++++++++++++++++++++
2 files changed, 39 insertions(+), 16 deletions(-)

diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 65a2a4185ef6..9c5d1213c290 100755
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -30,22 +30,6 @@
#define CREATE_TRACE_POINTS
#include "ufs-mediatek-trace.h"

-#define ufs_mtk_smc(cmd, val, res) \
- arm_smccc_smc(MTK_SIP_UFS_CONTROL, \
- cmd, val, 0, 0, 0, 0, 0, &(res))
-
-#define ufs_mtk_va09_pwr_ctrl(res, on) \
- ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, on, res)
-
-#define ufs_mtk_crypto_ctrl(res, enable) \
- ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, enable, res)
-
-#define ufs_mtk_ref_clk_notify(on, res) \
- ufs_mtk_smc(UFS_MTK_SIP_REF_CLK_NOTIFICATION, on, res)
-
-#define ufs_mtk_device_reset_ctrl(high, res) \
- ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, high, res)
-
static const struct ufs_dev_quirk ufs_mtk_dev_fixups[] = {
{ .wmanufacturerid = UFS_VENDOR_MICRON,
.model = UFS_ANY_MODEL,
diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h
index 7e1913769671..bf6ca96cafb6 100755
--- 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 */
--
2.18.0