pinctrl: sh-pfc: Constify enum_ids and var_field_width compound literals
[deliverable/linux.git] / drivers / pinctrl / sh-pfc / sh_pfc.h
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1/*
2 * SuperH Pin Function Controller Support
3 *
4 * Copyright (c) 2008 Magnus Damm
5 *
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
8 * for more details.
9 */
10
11#ifndef __SH_PFC_H
12#define __SH_PFC_H
13
bf9f0674 14#include <linux/bug.h>
72c7afa1 15#include <linux/stringify.h>
fae43399 16
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17enum {
18 PINMUX_TYPE_NONE,
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19 PINMUX_TYPE_FUNCTION,
20 PINMUX_TYPE_GPIO,
21 PINMUX_TYPE_OUTPUT,
22 PINMUX_TYPE_INPUT,
06d5631f 23};
fae43399 24
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25#define SH_PFC_PIN_CFG_INPUT (1 << 0)
26#define SH_PFC_PIN_CFG_OUTPUT (1 << 1)
27#define SH_PFC_PIN_CFG_PULL_UP (1 << 2)
28#define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3)
4f82e3ee 29#define SH_PFC_PIN_CFG_NO_GPIO (1 << 31)
c58d9c1b 30
a3db40a6 31struct sh_pfc_pin {
9689896c 32 u16 pin;
533743dc 33 u16 enum_id;
72c7afa1 34 const char *name;
c58d9c1b 35 unsigned int configs;
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36};
37
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38#define SH_PFC_PIN_GROUP(n) \
39 { \
40 .name = #n, \
41 .pins = n##_pins, \
42 .mux = n##_mux, \
43 .nr_pins = ARRAY_SIZE(n##_pins), \
44 }
45
46struct sh_pfc_pin_group {
47 const char *name;
48 const unsigned int *pins;
49 const unsigned int *mux;
50 unsigned int nr_pins;
51};
52
53#define SH_PFC_FUNCTION(n) \
54 { \
55 .name = #n, \
56 .groups = n##_groups, \
57 .nr_groups = ARRAY_SIZE(n##_groups), \
58 }
59
60struct sh_pfc_function {
61 const char *name;
62 const char * const *groups;
63 unsigned int nr_groups;
64};
65
a373ed0a 66struct pinmux_func {
533743dc 67 u16 enum_id;
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68 const char *name;
69};
70
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71struct pinmux_cfg_reg {
72 unsigned long reg, reg_width, field_width;
533743dc 73 const u16 *enum_ids;
cd3c1bee 74 const unsigned long *var_field_width;
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75};
76
77#define PINMUX_CFG_REG(name, r, r_width, f_width) \
78 .reg = r, .reg_width = r_width, .field_width = f_width, \
9aecff58 79 .enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)])
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80
81#define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \
82 .reg = r, .reg_width = r_width, \
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83 .var_field_width = (const unsigned long [r_width]) \
84 { var_fw0, var_fwn, 0 }, \
85 .enum_ids = (const u16 [])
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86
87struct pinmux_data_reg {
51cb226b 88 unsigned long reg, reg_width;
533743dc 89 const u16 *enum_ids;
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90};
91
92#define PINMUX_DATA_REG(name, r, r_width) \
93 .reg = r, .reg_width = r_width, \
9aecff58 94 .enum_ids = (const u16 [r_width]) \
fae43399 95
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96struct pinmux_irq {
97 int irq;
316b2550 98 short *gpios;
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99};
100
101#define PINMUX_IRQ(irq_nr, ids...) \
316b2550 102 { .irq = irq_nr, .gpios = (short []) { ids, -1 } }
ad2a8e7e 103
fae43399 104struct pinmux_range {
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105 u16 begin;
106 u16 end;
107 u16 force;
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108};
109
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110struct sh_pfc;
111
112struct sh_pfc_soc_operations {
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113 int (*init)(struct sh_pfc *pfc);
114 void (*exit)(struct sh_pfc *pfc);
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115 unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin);
116 void (*set_bias)(struct sh_pfc *pfc, unsigned int pin,
117 unsigned int bias);
118};
119
19bb7fe3 120struct sh_pfc_soc_info {
cd3c1bee 121 const char *name;
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122 const struct sh_pfc_soc_operations *ops;
123
fae43399 124 struct pinmux_range input;
fae43399 125 struct pinmux_range output;
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126 struct pinmux_range function;
127
cd3c1bee 128 const struct sh_pfc_pin *pins;
caa5bac3 129 unsigned int nr_pins;
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130 const struct sh_pfc_pin_group *groups;
131 unsigned int nr_groups;
132 const struct sh_pfc_function *functions;
133 unsigned int nr_functions;
134
cd3c1bee 135 const struct pinmux_func *func_gpios;
a373ed0a 136 unsigned int nr_func_gpios;
d7a7ca57 137
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138 const struct pinmux_cfg_reg *cfg_regs;
139 const struct pinmux_data_reg *data_regs;
fae43399 140
533743dc 141 const u16 *gpio_data;
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142 unsigned int gpio_data_size;
143
cd3c1bee 144 const struct pinmux_irq *gpio_irq;
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145 unsigned int gpio_irq_size;
146
e499ada8 147 unsigned long unlock_reg;
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148};
149
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150/* -----------------------------------------------------------------------------
151 * Helper macros to create pin and port lists
152 */
153
154/*
155 * sh_pfc_soc_info gpio_data array macros
156 */
157
158#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
159
160#define PINMUX_IPSR_NOGP(ispr, fn) \
161 PINMUX_DATA(fn##_MARK, FN_##fn)
162#define PINMUX_IPSR_DATA(ipsr, fn) \
163 PINMUX_DATA(fn##_MARK, FN_##fn, FN_##ipsr)
164#define PINMUX_IPSR_NOGM(ispr, fn, ms) \
165 PINMUX_DATA(fn##_MARK, FN_##fn, FN_##ms)
166#define PINMUX_IPSR_MSEL(ipsr, fn, ms) \
167 PINMUX_DATA(fn##_MARK, FN_##fn, FN_##ipsr, FN_##ms)
168#define PINMUX_IPSR_MODSEL_DATA(ipsr, fn, ms) \
169 PINMUX_DATA(fn##_MARK, FN_##ms, FN_##ipsr, FN_##fn)
170
171/*
172 * GP port style (32 ports banks)
173 */
174
175#define PORT_GP_1(bank, pin, fn, sfx) fn(bank, pin, GP_##bank##_##pin, sfx)
176
177#define PORT_GP_32(bank, fn, sfx) \
178 PORT_GP_1(bank, 0, fn, sfx), PORT_GP_1(bank, 1, fn, sfx), \
179 PORT_GP_1(bank, 2, fn, sfx), PORT_GP_1(bank, 3, fn, sfx), \
180 PORT_GP_1(bank, 4, fn, sfx), PORT_GP_1(bank, 5, fn, sfx), \
181 PORT_GP_1(bank, 6, fn, sfx), PORT_GP_1(bank, 7, fn, sfx), \
182 PORT_GP_1(bank, 8, fn, sfx), PORT_GP_1(bank, 9, fn, sfx), \
183 PORT_GP_1(bank, 10, fn, sfx), PORT_GP_1(bank, 11, fn, sfx), \
184 PORT_GP_1(bank, 12, fn, sfx), PORT_GP_1(bank, 13, fn, sfx), \
185 PORT_GP_1(bank, 14, fn, sfx), PORT_GP_1(bank, 15, fn, sfx), \
186 PORT_GP_1(bank, 16, fn, sfx), PORT_GP_1(bank, 17, fn, sfx), \
187 PORT_GP_1(bank, 18, fn, sfx), PORT_GP_1(bank, 19, fn, sfx), \
188 PORT_GP_1(bank, 20, fn, sfx), PORT_GP_1(bank, 21, fn, sfx), \
189 PORT_GP_1(bank, 22, fn, sfx), PORT_GP_1(bank, 23, fn, sfx), \
190 PORT_GP_1(bank, 24, fn, sfx), PORT_GP_1(bank, 25, fn, sfx), \
191 PORT_GP_1(bank, 26, fn, sfx), PORT_GP_1(bank, 27, fn, sfx), \
192 PORT_GP_1(bank, 28, fn, sfx), PORT_GP_1(bank, 29, fn, sfx), \
193 PORT_GP_1(bank, 30, fn, sfx), PORT_GP_1(bank, 31, fn, sfx)
194
195#define PORT_GP_32_REV(bank, fn, sfx) \
196 PORT_GP_1(bank, 31, fn, sfx), PORT_GP_1(bank, 30, fn, sfx), \
197 PORT_GP_1(bank, 29, fn, sfx), PORT_GP_1(bank, 28, fn, sfx), \
198 PORT_GP_1(bank, 27, fn, sfx), PORT_GP_1(bank, 26, fn, sfx), \
199 PORT_GP_1(bank, 25, fn, sfx), PORT_GP_1(bank, 24, fn, sfx), \
200 PORT_GP_1(bank, 23, fn, sfx), PORT_GP_1(bank, 22, fn, sfx), \
201 PORT_GP_1(bank, 21, fn, sfx), PORT_GP_1(bank, 20, fn, sfx), \
202 PORT_GP_1(bank, 19, fn, sfx), PORT_GP_1(bank, 18, fn, sfx), \
203 PORT_GP_1(bank, 17, fn, sfx), PORT_GP_1(bank, 16, fn, sfx), \
204 PORT_GP_1(bank, 15, fn, sfx), PORT_GP_1(bank, 14, fn, sfx), \
205 PORT_GP_1(bank, 13, fn, sfx), PORT_GP_1(bank, 12, fn, sfx), \
206 PORT_GP_1(bank, 11, fn, sfx), PORT_GP_1(bank, 10, fn, sfx), \
207 PORT_GP_1(bank, 9, fn, sfx), PORT_GP_1(bank, 8, fn, sfx), \
208 PORT_GP_1(bank, 7, fn, sfx), PORT_GP_1(bank, 6, fn, sfx), \
209 PORT_GP_1(bank, 5, fn, sfx), PORT_GP_1(bank, 4, fn, sfx), \
210 PORT_GP_1(bank, 3, fn, sfx), PORT_GP_1(bank, 2, fn, sfx), \
211 PORT_GP_1(bank, 1, fn, sfx), PORT_GP_1(bank, 0, fn, sfx)
212
213/* GP_ALL(suffix) - Expand to a list of GP_#_#_suffix */
214#define _GP_ALL(bank, pin, name, sfx) name##_##sfx
215#define GP_ALL(str) CPU_ALL_PORT(_GP_ALL, str)
216
217/* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */
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218#define _GP_GPIO(bank, _pin, _name, sfx) \
219 [(bank * 32) + _pin] = { \
220 .pin = (bank * 32) + _pin, \
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221 .name = __stringify(_name), \
222 .enum_id = _name##_DATA, \
223 }
224#define PINMUX_GPIO_GP_ALL() CPU_ALL_PORT(_GP_GPIO, unused)
225
226/* PINMUX_DATA_GP_ALL - Expand to a list of name_DATA, name_FN marks */
227#define _GP_DATA(bank, pin, name, sfx) PINMUX_DATA(name##_DATA, name##_FN)
228#define PINMUX_DATA_GP_ALL() CPU_ALL_PORT(_GP_DATA, unused)
229
230/*
231 * PORT style (linear pin space)
232 */
233
3ce0d7eb 234#define PORT_1(pn, fn, pfx, sfx) fn(pn, pfx, sfx)
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235
236#define PORT_10(pn, fn, pfx, sfx) \
237 PORT_1(pn, fn, pfx##0, sfx), PORT_1(pn+1, fn, pfx##1, sfx), \
238 PORT_1(pn+2, fn, pfx##2, sfx), PORT_1(pn+3, fn, pfx##3, sfx), \
239 PORT_1(pn+4, fn, pfx##4, sfx), PORT_1(pn+5, fn, pfx##5, sfx), \
240 PORT_1(pn+6, fn, pfx##6, sfx), PORT_1(pn+7, fn, pfx##7, sfx), \
241 PORT_1(pn+8, fn, pfx##8, sfx), PORT_1(pn+9, fn, pfx##9, sfx)
242
243#define PORT_90(pn, fn, pfx, sfx) \
244 PORT_10(pn+10, fn, pfx##1, sfx), PORT_10(pn+20, fn, pfx##2, sfx), \
245 PORT_10(pn+30, fn, pfx##3, sfx), PORT_10(pn+40, fn, pfx##4, sfx), \
246 PORT_10(pn+50, fn, pfx##5, sfx), PORT_10(pn+60, fn, pfx##6, sfx), \
247 PORT_10(pn+70, fn, pfx##7, sfx), PORT_10(pn+80, fn, pfx##8, sfx), \
248 PORT_10(pn+90, fn, pfx##9, sfx)
972c3fb6 249
e3d93b46 250/* PORT_ALL(suffix) - Expand to a list of PORT_#_suffix */
3ce0d7eb 251#define _PORT_ALL(pn, pfx, sfx) pfx##_##sfx
e3d93b46 252#define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str)
972c3fb6 253
e3d93b46 254/* PINMUX_GPIO - Expand to a sh_pfc_pin entry */
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255#define PINMUX_GPIO(_pin) \
256 [GPIO_##_pin] = { \
257 .pin = (u16)-1, \
7cbb0e55 258 .name = __stringify(name), \
9689896c 259 .enum_id = _pin##_DATA, \
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260 }
261
df020272 262/* SH_PFC_PIN_CFG - Expand to a sh_pfc_pin entry (named PORT#) with config */
9689896c 263#define SH_PFC_PIN_CFG(_pin, cfgs) \
df020272 264 { \
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265 .pin = _pin, \
266 .name = __stringify(PORT##_pin), \
267 .enum_id = PORT##_pin##_DATA, \
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268 .configs = cfgs, \
269 }
270
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271/* SH_PFC_PIN_NAMED - Expand to a sh_pfc_pin entry with the given name */
272#define SH_PFC_PIN_NAMED(row, col, _name) \
273 { \
274 .pin = PIN_NUMBER(row, col), \
275 .name = __stringify(PIN_##_name), \
276 .configs = SH_PFC_PIN_CFG_NO_GPIO, \
277 }
278
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279/* PINMUX_DATA_ALL - Expand to a list of PORT_name_DATA, PORT_name_FN0,
280 * PORT_name_OUT, PORT_name_IN marks
281 */
3ce0d7eb 282#define _PORT_DATA(pn, pfx, sfx) \
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283 PINMUX_DATA(PORT##pfx##_DATA, PORT##pfx##_FN0, \
284 PORT##pfx##_OUT, PORT##pfx##_IN)
285#define PINMUX_DATA_ALL() CPU_ALL_PORT(_PORT_DATA, , unused)
286
287/* GPIO_FN(name) - Expand to a sh_pfc_pin entry for a function GPIO */
288#define PINMUX_GPIO_FN(gpio, base, data_or_mark) \
289 [gpio - (base)] = { \
290 .name = __stringify(gpio), \
291 .enum_id = data_or_mark, \
292 }
293#define GPIO_FN(str) \
294 PINMUX_GPIO_FN(GPIO_FN_##str, PINMUX_FN_BASE, str##_MARK)
bd8d0cba 295
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296/*
297 * PORTnCR macro
298 */
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299#define _PCRH(in, in_pd, in_pu, out) \
300 0, (out), (in), 0, \
301 0, 0, 0, 0, \
302 0, 0, (in_pd), 0, \
303 0, 0, (in_pu), 0
304
305#define PORTCR(nr, reg) \
306 { \
307 PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \
3f9c1268 308 _PCRH(PORT##nr##_IN, 0, 0, PORT##nr##_OUT), \
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309 PORT##nr##_FN0, PORT##nr##_FN1, \
310 PORT##nr##_FN2, PORT##nr##_FN3, \
311 PORT##nr##_FN4, PORT##nr##_FN5, \
312 PORT##nr##_FN6, PORT##nr##_FN7 } \
313 }
bd8d0cba 314
fae43399 315#endif /* __SH_PFC_H */
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