linux/drivers/phy/qualcomm/phy-qcom-qmp-common.h
Dmitry Baryshkov 53d7776ea7 phy: qcom: qmp: move common functions to common header
Move common init tables code to the common header phy-qcom-qmp-common.h.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240126-phy-qmp-merge-common-v2-3-a463d0b57836@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2024-01-30 22:35:38 +05:30

60 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
*/
#ifndef QCOM_PHY_QMP_COMMON_H_
#define QCOM_PHY_QMP_COMMON_H_
struct qmp_phy_init_tbl {
unsigned int offset;
unsigned int val;
/*
* mask of lanes for which this register is written
* for cases when second lane needs different values
*/
u8 lane_mask;
};
#define QMP_PHY_INIT_CFG(o, v) \
{ \
.offset = o, \
.val = v, \
.lane_mask = 0xff, \
}
#define QMP_PHY_INIT_CFG_LANE(o, v, l) \
{ \
.offset = o, \
.val = v, \
.lane_mask = l, \
}
static inline void qmp_configure_lane(void __iomem *base,
const struct qmp_phy_init_tbl tbl[],
int num,
u8 lane_mask)
{
int i;
const struct qmp_phy_init_tbl *t = tbl;
if (!t)
return;
for (i = 0; i < num; i++, t++) {
if (!(t->lane_mask & lane_mask))
continue;
writel(t->val, base + t->offset);
}
}
static inline void qmp_configure(void __iomem *base,
const struct qmp_phy_init_tbl tbl[],
int num)
{
qmp_configure_lane(base, tbl, num, 0xff);
}
#endif