1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (c) 2017, The Linux Foundation. All rights reserved.
 4 */
 5
 6#ifndef QCOM_PHY_QMP_COMMON_H_
 7#define QCOM_PHY_QMP_COMMON_H_
 8
 9struct qmp_phy_init_tbl {
10	unsigned int offset;
11	unsigned int val;
12	/*
13	 * mask of lanes for which this register is written
14	 * for cases when second lane needs different values
15	 */
16	u8 lane_mask;
17};
18
19#define QMP_PHY_INIT_CFG(o, v)		\
20	{				\
21		.offset = o,		\
22		.val = v,		\
23		.lane_mask = 0xff,	\
24	}
25
26#define QMP_PHY_INIT_CFG_LANE(o, v, l)	\
27	{				\
28		.offset = o,		\
29		.val = v,		\
30		.lane_mask = l,		\
31	}
32
33static inline void qmp_configure_lane(void __iomem *base,
34					   const struct qmp_phy_init_tbl tbl[],
35					   int num,
36					   u8 lane_mask)
37{
38	int i;
39	const struct qmp_phy_init_tbl *t = tbl;
40
41	if (!t)
42		return;
43
44	for (i = 0; i < num; i++, t++) {
45		if (!(t->lane_mask & lane_mask))
46			continue;
47
48		writel(t->val, base + t->offset);
49	}
50}
51
52static inline void qmp_configure(void __iomem *base,
53				      const struct qmp_phy_init_tbl tbl[],
54				      int num)
55{
56	qmp_configure_lane(base, tbl, num, 0xff);
57}
58
59#endif