2 * SuperH Pin Function Controller Support
4 * Copyright (c) 2008 Magnus Damm
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
14 #include <linux/stringify.h>
15 #include <asm-generic/gpio.h>
17 typedef unsigned short pinmux_enum_t
;
18 typedef unsigned short pinmux_flag_t
;
27 PINMUX_TYPE_INPUT_PULLUP
,
28 PINMUX_TYPE_INPUT_PULLDOWN
,
30 PINMUX_FLAG_TYPE
, /* must be last */
33 #define PINMUX_FLAG_DBIT_SHIFT 5
34 #define PINMUX_FLAG_DBIT (0x1f << PINMUX_FLAG_DBIT_SHIFT)
35 #define PINMUX_FLAG_DREG_SHIFT 10
36 #define PINMUX_FLAG_DREG (0x3f << PINMUX_FLAG_DREG_SHIFT)
39 pinmux_enum_t enum_id
;
44 #define PINMUX_GPIO(gpio, data_or_mark) \
45 [gpio] = { .name = __stringify(gpio), .enum_id = data_or_mark, .flags = PINMUX_TYPE_NONE }
47 #define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
49 struct pinmux_cfg_reg
{
50 unsigned long reg
, reg_width
, field_width
;
52 pinmux_enum_t
*enum_ids
;
53 unsigned long *var_field_width
;
56 #define PINMUX_CFG_REG(name, r, r_width, f_width) \
57 .reg = r, .reg_width = r_width, .field_width = f_width, \
58 .cnt = (unsigned long [r_width / f_width]) {}, \
59 .enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)])
61 #define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \
62 .reg = r, .reg_width = r_width, \
63 .cnt = (unsigned long [r_width]) {}, \
64 .var_field_width = (unsigned long [r_width]) { var_fw0, var_fwn, 0 }, \
65 .enum_ids = (pinmux_enum_t [])
67 struct pinmux_data_reg
{
68 unsigned long reg
, reg_width
, reg_shadow
;
69 pinmux_enum_t
*enum_ids
;
70 void __iomem
*mapped_reg
;
73 #define PINMUX_DATA_REG(name, r, r_width) \
74 .reg = r, .reg_width = r_width, \
75 .enum_ids = (pinmux_enum_t [r_width]) \
79 pinmux_enum_t
*enum_ids
;
82 #define PINMUX_IRQ(irq_nr, ids...) \
83 { .irq = irq_nr, .enum_ids = (pinmux_enum_t []) { ids, 0 } } \
91 struct sh_pfc_soc_info
{
93 pinmux_enum_t reserved_id
;
94 struct pinmux_range data
;
95 struct pinmux_range input
;
96 struct pinmux_range input_pd
;
97 struct pinmux_range input_pu
;
98 struct pinmux_range output
;
99 struct pinmux_range mark
;
100 struct pinmux_range function
;
102 unsigned first_gpio
, last_gpio
;
104 struct pinmux_gpio
*gpios
;
105 struct pinmux_cfg_reg
*cfg_regs
;
106 struct pinmux_data_reg
*data_regs
;
108 pinmux_enum_t
*gpio_data
;
109 unsigned int gpio_data_size
;
111 struct pinmux_irq
*gpio_irq
;
112 unsigned int gpio_irq_size
;
114 unsigned long unlock_reg
;
117 enum { GPIO_CFG_DRYRUN
, GPIO_CFG_REQ
, GPIO_CFG_FREE
};
119 /* helper macro for port */
120 #define PORT_1(fn, pfx, sfx) fn(pfx, sfx)
122 #define PORT_10(fn, pfx, sfx) \
123 PORT_1(fn, pfx##0, sfx), PORT_1(fn, pfx##1, sfx), \
124 PORT_1(fn, pfx##2, sfx), PORT_1(fn, pfx##3, sfx), \
125 PORT_1(fn, pfx##4, sfx), PORT_1(fn, pfx##5, sfx), \
126 PORT_1(fn, pfx##6, sfx), PORT_1(fn, pfx##7, sfx), \
127 PORT_1(fn, pfx##8, sfx), PORT_1(fn, pfx##9, sfx)
129 #define PORT_90(fn, pfx, sfx) \
130 PORT_10(fn, pfx##1, sfx), PORT_10(fn, pfx##2, sfx), \
131 PORT_10(fn, pfx##3, sfx), PORT_10(fn, pfx##4, sfx), \
132 PORT_10(fn, pfx##5, sfx), PORT_10(fn, pfx##6, sfx), \
133 PORT_10(fn, pfx##7, sfx), PORT_10(fn, pfx##8, sfx), \
134 PORT_10(fn, pfx##9, sfx)
136 #define _PORT_ALL(pfx, sfx) pfx##_##sfx
137 #define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
138 #define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str)
139 #define GPIO_PORT_ALL() CPU_ALL_PORT(_GPIO_PORT, , unused)
140 #define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
142 /* helper macro for pinmux_enum_t */
143 #define PORT_DATA_I(nr) \
144 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
146 #define PORT_DATA_I_PD(nr) \
147 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
148 PORT##nr##_IN, PORT##nr##_IN_PD)
150 #define PORT_DATA_I_PU(nr) \
151 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
152 PORT##nr##_IN, PORT##nr##_IN_PU)
154 #define PORT_DATA_I_PU_PD(nr) \
155 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
156 PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
158 #define PORT_DATA_O(nr) \
159 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
161 #define PORT_DATA_IO(nr) \
162 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
165 #define PORT_DATA_IO_PD(nr) \
166 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
167 PORT##nr##_IN, PORT##nr##_IN_PD)
169 #define PORT_DATA_IO_PU(nr) \
170 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
171 PORT##nr##_IN, PORT##nr##_IN_PU)
173 #define PORT_DATA_IO_PU_PD(nr) \
174 PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
175 PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
177 /* helper macro for top 4 bits in PORTnCR */
178 #define _PCRH(in, in_pd, in_pu, out) \
184 #define PORTCR(nr, reg) \
186 PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \
187 _PCRH(PORT##nr##_IN, PORT##nr##_IN_PD, \
188 PORT##nr##_IN_PU, PORT##nr##_OUT), \
189 PORT##nr##_FN0, PORT##nr##_FN1, \
190 PORT##nr##_FN2, PORT##nr##_FN3, \
191 PORT##nr##_FN4, PORT##nr##_FN5, \
192 PORT##nr##_FN6, PORT##nr##_FN7 } \
195 #endif /* __SH_PFC_H */