cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pinctrl-common.h (2267B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (c) 2020 TOSHIBA CORPORATION
      4 * Copyright (c) 2020 Toshiba Electronic Devices & Storage Corporation
      5 * Copyright (c) 2020 Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
      6 */
      7
      8#ifndef __VISCONTI_PINCTRL_COMMON_H__
      9#define __VISCONTI_PINCTRL_COMMON_H__
     10
     11struct pinctrl_pin_desc;
     12
     13/* PIN */
     14#define VISCONTI_PINS(pins_name, ...)  \
     15	static const unsigned int pins_name ## _pins[] = { __VA_ARGS__ }
     16
     17struct visconti_desc_pin {
     18	struct pinctrl_pin_desc pin;
     19	unsigned int dsel_offset;
     20	unsigned int dsel_shift;
     21	unsigned int pude_offset;
     22	unsigned int pudsel_offset;
     23	unsigned int pud_shift;
     24};
     25
     26#define VISCONTI_PIN(_pin, dsel, d_sh, pude, pudsel, p_sh)	\
     27{								\
     28	.pin = _pin,						\
     29	.dsel_offset = dsel,					\
     30	.dsel_shift = d_sh,					\
     31	.pude_offset = pude,					\
     32	.pudsel_offset = pudsel,				\
     33	.pud_shift = p_sh,					\
     34}
     35
     36/* Group */
     37#define VISCONTI_GROUPS(groups_name, ...)	\
     38	static const char * const groups_name ## _grps[] = { __VA_ARGS__ }
     39
     40struct visconti_mux {
     41	unsigned int offset;
     42	unsigned int mask;
     43	unsigned int val;
     44};
     45
     46struct visconti_pin_group {
     47	const char *name;
     48	const unsigned int *pins;
     49	unsigned int nr_pins;
     50	struct visconti_mux mux;
     51};
     52
     53#define VISCONTI_PIN_GROUP(group_name, off, msk, v)	\
     54{							\
     55	.name = __stringify(group_name) "_grp",		\
     56	.pins = group_name ## _pins,			\
     57	.nr_pins = ARRAY_SIZE(group_name ## _pins),	\
     58	.mux = {					\
     59		.offset = off,				\
     60		.mask = msk,				\
     61		.val = v,				\
     62	}						\
     63}
     64
     65/* MUX */
     66struct visconti_pin_function {
     67	const char *name;
     68	const char * const *groups;
     69	unsigned int nr_groups;
     70};
     71
     72#define VISCONTI_PIN_FUNCTION(func)		\
     73{						\
     74	.name = #func,				\
     75	.groups = func ## _grps,		\
     76	.nr_groups = ARRAY_SIZE(func ## _grps),	\
     77}
     78
     79/* chip dependent data */
     80struct visconti_pinctrl_devdata {
     81	const struct visconti_desc_pin *pins;
     82	unsigned int nr_pins;
     83	const struct visconti_pin_group *groups;
     84	unsigned int nr_groups;
     85	const struct visconti_pin_function *functions;
     86	unsigned int nr_functions;
     87
     88	const struct visconti_mux *gpio_mux;
     89
     90	void (*unlock)(void __iomem *base);
     91};
     92
     93int visconti_pinctrl_probe(struct platform_device *pdev,
     94			   const struct visconti_pinctrl_devdata *devdata);
     95
     96#endif /* __VISCONTI_PINCTRL_COMMON_H__ */