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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / pinctrl / sh-pfc / sh_pfc.h
blobd57e633e99c0ce66c54fc4852e1b366bb1dfe931
1 /* SPDX-License-Identifier: GPL-2.0
2 *
3 * SuperH Pin Function Controller Support
4 *
5 * Copyright (c) 2008 Magnus Damm
6 */
7
8 #ifndef __SH_PFC_H
9 #define __SH_PFC_H
10
11 #include <linux/bug.h>
12 #include <linux/pinctrl/pinconf-generic.h>
13 #include <linux/spinlock.h>
14 #include <linux/stringify.h>
15
16 enum {
17 PINMUX_TYPE_NONE,
18 PINMUX_TYPE_FUNCTION,
19 PINMUX_TYPE_GPIO,
20 PINMUX_TYPE_OUTPUT,
21 PINMUX_TYPE_INPUT,
22 };
23
24 #define SH_PFC_PIN_NONE U16_MAX
25
26 #define SH_PFC_PIN_CFG_INPUT (1 << 0)
27 #define SH_PFC_PIN_CFG_OUTPUT (1 << 1)
28 #define SH_PFC_PIN_CFG_PULL_UP (1 << 2)
29 #define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3)
30 #define SH_PFC_PIN_CFG_PULL_UP_DOWN (SH_PFC_PIN_CFG_PULL_UP | \
31 SH_PFC_PIN_CFG_PULL_DOWN)
32 #define SH_PFC_PIN_CFG_IO_VOLTAGE (1 << 4)
33 #define SH_PFC_PIN_CFG_DRIVE_STRENGTH (1 << 5)
34 #define SH_PFC_PIN_CFG_NO_GPIO (1 << 31)
35
36 struct sh_pfc_pin {
37 u16 pin;
38 u16 enum_id;
39 const char *name;
40 unsigned int configs;
41 };
42
43 #define SH_PFC_PIN_GROUP_ALIAS(alias, n) \
44 { \
45 .name = #alias, \
46 .pins = n##_pins, \
47 .mux = n##_mux, \
48 .nr_pins = ARRAY_SIZE(n##_pins) + \
49 BUILD_BUG_ON_ZERO(sizeof(n##_pins) != sizeof(n##_mux)), \
50 }
51 #define SH_PFC_PIN_GROUP(n) SH_PFC_PIN_GROUP_ALIAS(n, n)
52
53 struct sh_pfc_pin_group {
54 const char *name;
55 const unsigned int *pins;
56 const unsigned int *mux;
57 unsigned int nr_pins;
58 };
59
60 /*
61 * Using union vin_data{,12,16} saves memory occupied by the VIN data pins.
62 * VIN_DATA_PIN_GROUP() is a macro used to describe the VIN pin groups
63 * in this case. It accepts an optional 'version' argument used when the
64 * same group can appear on a different set of pins.
65 */
66 #define VIN_DATA_PIN_GROUP(n, s, ...) \
67 { \
68 .name = #n#s#__VA_ARGS__, \
69 .pins = n##__VA_ARGS__##_pins.data##s, \
70 .mux = n##__VA_ARGS__##_mux.data##s, \
71 .nr_pins = ARRAY_SIZE(n##__VA_ARGS__##_pins.data##s), \
72 }
73
74 union vin_data12 {
75 unsigned int data12[12];
76 unsigned int data10[10];
77 unsigned int data8[8];
78 };
79
80 union vin_data16 {
81 unsigned int data16[16];
82 unsigned int data12[12];
83 unsigned int data10[10];
84 unsigned int data8[8];
85 };
86
87 union vin_data {
88 unsigned int data24[24];
89 unsigned int data20[20];
90 unsigned int data16[16];
91 unsigned int data12[12];
92 unsigned int data10[10];
93 unsigned int data8[8];
94 unsigned int data4[4];
95 };
96
97 #define SH_PFC_FUNCTION(n) \
98 { \
99 .name = #n, \
100 .groups = n##_groups, \
101 .nr_groups = ARRAY_SIZE(n##_groups), \
102 }
103
104 struct sh_pfc_function {
105 const char *name;
106 const char * const *groups;
107 unsigned int nr_groups;
108 };
109
110 struct pinmux_func {
111 u16 enum_id;
112 const char *name;
113 };
114
115 struct pinmux_cfg_reg {
116 u32 reg;
117 u8 reg_width, field_width;
118 #ifdef DEBUG
119 u16 nr_enum_ids; /* for variable width regs only */
120 #define SET_NR_ENUM_IDS(n) .nr_enum_ids = n,
121 #else
122 #define SET_NR_ENUM_IDS(n)
123 #endif
124 const u16 *enum_ids;
125 const u8 *var_field_width;
126 };
127
128 #define GROUP(...) __VA_ARGS__
129
130 /*
131 * Describe a config register consisting of several fields of the same width
132 * - name: Register name (unused, for documentation purposes only)
133 * - r: Physical register address
134 * - r_width: Width of the register (in bits)
135 * - f_width: Width of the fixed-width register fields (in bits)
136 * - ids: For each register field (from left to right, i.e. MSB to LSB),
137 * 2^f_width enum IDs must be specified, one for each possible
138 * combination of the register field bit values, all wrapped using
139 * the GROUP() macro.
140 */
141 #define PINMUX_CFG_REG(name, r, r_width, f_width, ids) \
142 .reg = r, .reg_width = r_width, \
143 .field_width = f_width + BUILD_BUG_ON_ZERO(r_width % f_width) + \
144 BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \
145 (r_width / f_width) * (1 << f_width)), \
146 .enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)]) \
147 { ids }
148
149 /*
150 * Describe a config register consisting of several fields of different widths
151 * - name: Register name (unused, for documentation purposes only)
152 * - r: Physical register address
153 * - r_width: Width of the register (in bits)
154 * - f_widths: List of widths of the register fields (in bits), from left
155 * to right (i.e. MSB to LSB), wrapped using the GROUP() macro.
156 * - ids: For each register field (from left to right, i.e. MSB to LSB),
157 * 2^f_widths[i] enum IDs must be specified, one for each possible
158 * combination of the register field bit values, all wrapped using
159 * the GROUP() macro.
160 */
161 #define PINMUX_CFG_REG_VAR(name, r, r_width, f_widths, ids) \
162 .reg = r, .reg_width = r_width, \
163 .var_field_width = (const u8 []) { f_widths, 0 }, \
164 SET_NR_ENUM_IDS(sizeof((const u16 []) { ids }) / sizeof(u16)) \
165 .enum_ids = (const u16 []) { ids }
166
167 struct pinmux_drive_reg_field {
168 u16 pin;
169 u8 offset;
170 u8 size;
171 };
172
173 struct pinmux_drive_reg {
174 u32 reg;
175 const struct pinmux_drive_reg_field fields[8];
176 };
177
178 #define PINMUX_DRIVE_REG(name, r) \
179 .reg = r, \
180 .fields =
181
182 struct pinmux_bias_reg {
183 u32 puen; /* Pull-enable or pull-up control register */
184 u32 pud; /* Pull-up/down control register (optional) */
185 const u16 pins[32];
186 };
187
188 #define PINMUX_BIAS_REG(name1, r1, name2, r2) \
189 .puen = r1, \
190 .pud = r2, \
191 .pins =
192
193 struct pinmux_ioctrl_reg {
194 u32 reg;
195 };
196
197 struct pinmux_data_reg {
198 u32 reg;
199 u8 reg_width;
200 const u16 *enum_ids;
201 };
202
203 /*
204 * Describe a data register
205 * - name: Register name (unused, for documentation purposes only)
206 * - r: Physical register address
207 * - r_width: Width of the register (in bits)
208 * - ids: For each register bit (from left to right, i.e. MSB to LSB), one
209 * enum ID must be specified, all wrapped using the GROUP() macro.
210 */
211 #define PINMUX_DATA_REG(name, r, r_width, ids) \
212 .reg = r, .reg_width = r_width + \
213 BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \
214 r_width), \
215 .enum_ids = (const u16 [r_width]) { ids }
216
217 struct pinmux_irq {
218 const short *gpios;
219 };
220
221 /*
222 * Describe the mapping from GPIOs to a single IRQ
223 * - ids...: List of GPIOs that are mapped to the same IRQ
224 */
225 #define PINMUX_IRQ(ids...) \
226 { .gpios = (const short []) { ids, -1 } }
227
228 struct pinmux_range {
229 u16 begin;
230 u16 end;
231 u16 force;
232 };
233
234 struct sh_pfc_window {
235 phys_addr_t phys;
236 void __iomem *virt;
237 unsigned long size;
238 };
239
240 struct sh_pfc_pin_range;
241
242 struct sh_pfc {
243 struct device *dev;
244 const struct sh_pfc_soc_info *info;
245 spinlock_t lock;
246
247 unsigned int num_windows;
248 struct sh_pfc_window *windows;
249 unsigned int num_irqs;
250 unsigned int *irqs;
251
252 struct sh_pfc_pin_range *ranges;
253 unsigned int nr_ranges;
254
255 unsigned int nr_gpio_pins;
256
257 struct sh_pfc_chip *gpio;
258 u32 *saved_regs;
259 };
260
261 struct sh_pfc_soc_operations {
262 int (*init)(struct sh_pfc *pfc);
263 unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin);
264 void (*set_bias)(struct sh_pfc *pfc, unsigned int pin,
265 unsigned int bias);
266 int (*pin_to_pocctrl)(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl);
267 };
268
269 struct sh_pfc_soc_info {
270 const char *name;
271 const struct sh_pfc_soc_operations *ops;
272
273 struct pinmux_range input;
274 struct pinmux_range output;
275 struct pinmux_range function;
276
277 const struct sh_pfc_pin *pins;
278 unsigned int nr_pins;
279 const struct sh_pfc_pin_group *groups;
280 unsigned int nr_groups;
281 const struct sh_pfc_function *functions;
282 unsigned int nr_functions;
283
284 #ifdef CONFIG_PINCTRL_SH_FUNC_GPIO
285 const struct pinmux_func *func_gpios;
286 unsigned int nr_func_gpios;
287 #endif
288
289 const struct pinmux_cfg_reg *cfg_regs;
290 const struct pinmux_drive_reg *drive_regs;
291 const struct pinmux_bias_reg *bias_regs;
292 const struct pinmux_ioctrl_reg *ioctrl_regs;
293 const struct pinmux_data_reg *data_regs;
294
295 const u16 *pinmux_data;
296 unsigned int pinmux_data_size;
297
298 const struct pinmux_irq *gpio_irq;
299 unsigned int gpio_irq_size;
300
301 u32 unlock_reg;
302 };
303
304 extern const struct sh_pfc_soc_info emev2_pinmux_info;
305 extern const struct sh_pfc_soc_info r8a73a4_pinmux_info;
306 extern const struct sh_pfc_soc_info r8a7740_pinmux_info;
307 extern const struct sh_pfc_soc_info r8a7743_pinmux_info;
308 extern const struct sh_pfc_soc_info r8a7744_pinmux_info;
309 extern const struct sh_pfc_soc_info r8a7745_pinmux_info;
310 extern const struct sh_pfc_soc_info r8a77470_pinmux_info;
311 extern const struct sh_pfc_soc_info r8a774a1_pinmux_info;
312 extern const struct sh_pfc_soc_info r8a774b1_pinmux_info;
313 extern const struct sh_pfc_soc_info r8a774c0_pinmux_info;
314 extern const struct sh_pfc_soc_info r8a7778_pinmux_info;
315 extern const struct sh_pfc_soc_info r8a7779_pinmux_info;
316 extern const struct sh_pfc_soc_info r8a7790_pinmux_info;
317 extern const struct sh_pfc_soc_info r8a7791_pinmux_info;
318 extern const struct sh_pfc_soc_info r8a7792_pinmux_info;
319 extern const struct sh_pfc_soc_info r8a7793_pinmux_info;
320 extern const struct sh_pfc_soc_info r8a7794_pinmux_info;
321 extern const struct sh_pfc_soc_info r8a77950_pinmux_info __weak;
322 extern const struct sh_pfc_soc_info r8a77951_pinmux_info __weak;
323 extern const struct sh_pfc_soc_info r8a77960_pinmux_info;
324 extern const struct sh_pfc_soc_info r8a77961_pinmux_info;
325 extern const struct sh_pfc_soc_info r8a77965_pinmux_info;
326 extern const struct sh_pfc_soc_info r8a77970_pinmux_info;
327 extern const struct sh_pfc_soc_info r8a77980_pinmux_info;
328 extern const struct sh_pfc_soc_info r8a77990_pinmux_info;
329 extern const struct sh_pfc_soc_info r8a77995_pinmux_info;
330 extern const struct sh_pfc_soc_info sh7203_pinmux_info;
331 extern const struct sh_pfc_soc_info sh7264_pinmux_info;
332 extern const struct sh_pfc_soc_info sh7269_pinmux_info;
333 extern const struct sh_pfc_soc_info sh73a0_pinmux_info;
334 extern const struct sh_pfc_soc_info sh7720_pinmux_info;
335 extern const struct sh_pfc_soc_info sh7722_pinmux_info;
336 extern const struct sh_pfc_soc_info sh7723_pinmux_info;
337 extern const struct sh_pfc_soc_info sh7724_pinmux_info;
338 extern const struct sh_pfc_soc_info sh7734_pinmux_info;
339 extern const struct sh_pfc_soc_info sh7757_pinmux_info;
340 extern const struct sh_pfc_soc_info sh7785_pinmux_info;
341 extern const struct sh_pfc_soc_info sh7786_pinmux_info;
342 extern const struct sh_pfc_soc_info shx3_pinmux_info;
343
344 /* -----------------------------------------------------------------------------
345 * Helper macros to create pin and port lists
346 */
347
348 /*
349 * sh_pfc_soc_info pinmux_data array macros
350 */
351
352 /*
353 * Describe generic pinmux data
354 * - data_or_mark: *_DATA or *_MARK enum ID
355 * - ids...: List of enum IDs to associate with data_or_mark
356 */
357 #define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
358
359 /*
360 * Describe a pinmux configuration without GPIO function that needs
361 * configuration in a Peripheral Function Select Register (IPSR)
362 * - ipsr: IPSR field (unused, for documentation purposes only)
363 * - fn: Function name, referring to a field in the IPSR
364 */
365 #define PINMUX_IPSR_NOGP(ipsr, fn) \
366 PINMUX_DATA(fn##_MARK, FN_##fn)
367
368 /*
369 * Describe a pinmux configuration with GPIO function that needs configuration
370 * in both a Peripheral Function Select Register (IPSR) and in a
371 * GPIO/Peripheral Function Select Register (GPSR)
372 * - ipsr: IPSR field
373 * - fn: Function name, also referring to the IPSR field
374 */
375 #define PINMUX_IPSR_GPSR(ipsr, fn) \
376 PINMUX_DATA(fn##_MARK, FN_##fn, FN_##ipsr)
377
378 /*
379 * Describe a pinmux configuration without GPIO function that needs
380 * configuration in a Peripheral Function Select Register (IPSR), and where the
381 * pinmux function has a representation in a Module Select Register (MOD_SEL).
382 * - ipsr: IPSR field (unused, for documentation purposes only)
383 * - fn: Function name, also referring to the IPSR field
384 * - msel: Module selector
385 */
386 #define PINMUX_IPSR_NOGM(ipsr, fn, msel) \
387 PINMUX_DATA(fn##_MARK, FN_##fn, FN_##msel)
388
389 /*
390 * Describe a pinmux configuration with GPIO function where the pinmux function
391 * has no representation in a Peripheral Function Select Register (IPSR), but
392 * instead solely depends on a group selection.
393 * - gpsr: GPSR field
394 * - fn: Function name, also referring to the GPSR field
395 * - gsel: Group selector
396 */
397 #define PINMUX_IPSR_NOFN(gpsr, fn, gsel) \
398 PINMUX_DATA(fn##_MARK, FN_##gpsr, FN_##gsel)
399
400 /*
401 * Describe a pinmux configuration with GPIO function that needs configuration
402 * in both a Peripheral Function Select Register (IPSR) and a GPIO/Peripheral
403 * Function Select Register (GPSR), and where the pinmux function has a
404 * representation in a Module Select Register (MOD_SEL).
405 * - ipsr: IPSR field
406 * - fn: Function name, also referring to the IPSR field
407 * - msel: Module selector
408 */
409 #define PINMUX_IPSR_MSEL(ipsr, fn, msel) \
410 PINMUX_DATA(fn##_MARK, FN_##msel, FN_##fn, FN_##ipsr)
411
412 /*
413 * Describe a pinmux configuration similar to PINMUX_IPSR_MSEL, but with
414 * an additional select register that controls physical multiplexing
415 * with another pin.
416 * - ipsr: IPSR field
417 * - fn: Function name, also referring to the IPSR field
418 * - psel: Physical multiplexing selector
419 * - msel: Module selector
420 */
421 #define PINMUX_IPSR_PHYS_MSEL(ipsr, fn, psel, msel) \
422 PINMUX_DATA(fn##_MARK, FN_##psel, FN_##msel, FN_##fn, FN_##ipsr)
423
424 /*
425 * Describe a pinmux configuration in which a pin is physically multiplexed
426 * with other pins.
427 * - ipsr: IPSR field
428 * - fn: Function name
429 * - psel: Physical multiplexing selector
430 */
431 #define PINMUX_IPSR_PHYS(ipsr, fn, psel) \
432 PINMUX_DATA(fn##_MARK, FN_##psel, FN_##ipsr)
433
434 /*
435 * Describe a pinmux configuration for a single-function pin with GPIO
436 * capability.
437 * - fn: Function name
438 */
439 #define PINMUX_SINGLE(fn) \
440 PINMUX_DATA(fn##_MARK, FN_##fn)
441
442 /*
443 * GP port style (32 ports banks)
444 */
445
446 #define PORT_GP_CFG_1(bank, pin, fn, sfx, cfg) \
447 fn(bank, pin, GP_##bank##_##pin, sfx, cfg)
448 #define PORT_GP_1(bank, pin, fn, sfx) PORT_GP_CFG_1(bank, pin, fn, sfx, 0)
449
450 #define PORT_GP_CFG_4(bank, fn, sfx, cfg) \
451 PORT_GP_CFG_1(bank, 0, fn, sfx, cfg), \
452 PORT_GP_CFG_1(bank, 1, fn, sfx, cfg), \
453 PORT_GP_CFG_1(bank, 2, fn, sfx, cfg), \
454 PORT_GP_CFG_1(bank, 3, fn, sfx, cfg)
455 #define PORT_GP_4(bank, fn, sfx) PORT_GP_CFG_4(bank, fn, sfx, 0)
456
457 #define PORT_GP_CFG_6(bank, fn, sfx, cfg) \
458 PORT_GP_CFG_4(bank, fn, sfx, cfg), \
459 PORT_GP_CFG_1(bank, 4, fn, sfx, cfg), \
460 PORT_GP_CFG_1(bank, 5, fn, sfx, cfg)
461 #define PORT_GP_6(bank, fn, sfx) PORT_GP_CFG_6(bank, fn, sfx, 0)
462
463 #define PORT_GP_CFG_8(bank, fn, sfx, cfg) \
464 PORT_GP_CFG_6(bank, fn, sfx, cfg), \
465 PORT_GP_CFG_1(bank, 6, fn, sfx, cfg), \
466 PORT_GP_CFG_1(bank, 7, fn, sfx, cfg)
467 #define PORT_GP_8(bank, fn, sfx) PORT_GP_CFG_8(bank, fn, sfx, 0)
468
469 #define PORT_GP_CFG_9(bank, fn, sfx, cfg) \
470 PORT_GP_CFG_8(bank, fn, sfx, cfg), \
471 PORT_GP_CFG_1(bank, 8, fn, sfx, cfg)
472 #define PORT_GP_9(bank, fn, sfx) PORT_GP_CFG_9(bank, fn, sfx, 0)
473
474 #define PORT_GP_CFG_10(bank, fn, sfx, cfg) \
475 PORT_GP_CFG_9(bank, fn, sfx, cfg), \
476 PORT_GP_CFG_1(bank, 9, fn, sfx, cfg)
477 #define PORT_GP_10(bank, fn, sfx) PORT_GP_CFG_10(bank, fn, sfx, 0)
478
479 #define PORT_GP_CFG_11(bank, fn, sfx, cfg) \
480 PORT_GP_CFG_10(bank, fn, sfx, cfg), \
481 PORT_GP_CFG_1(bank, 10, fn, sfx, cfg)
482 #define PORT_GP_11(bank, fn, sfx) PORT_GP_CFG_11(bank, fn, sfx, 0)
483
484 #define PORT_GP_CFG_12(bank, fn, sfx, cfg) \
485 PORT_GP_CFG_11(bank, fn, sfx, cfg), \
486 PORT_GP_CFG_1(bank, 11, fn, sfx, cfg)
487 #define PORT_GP_12(bank, fn, sfx) PORT_GP_CFG_12(bank, fn, sfx, 0)
488
489 #define PORT_GP_CFG_14(bank, fn, sfx, cfg) \
490 PORT_GP_CFG_12(bank, fn, sfx, cfg), \
491 PORT_GP_CFG_1(bank, 12, fn, sfx, cfg), \
492 PORT_GP_CFG_1(bank, 13, fn, sfx, cfg)
493 #define PORT_GP_14(bank, fn, sfx) PORT_GP_CFG_14(bank, fn, sfx, 0)
494
495 #define PORT_GP_CFG_15(bank, fn, sfx, cfg) \
496 PORT_GP_CFG_14(bank, fn, sfx, cfg), \
497 PORT_GP_CFG_1(bank, 14, fn, sfx, cfg)
498 #define PORT_GP_15(bank, fn, sfx) PORT_GP_CFG_15(bank, fn, sfx, 0)
499
500 #define PORT_GP_CFG_16(bank, fn, sfx, cfg) \
501 PORT_GP_CFG_15(bank, fn, sfx, cfg), \
502 PORT_GP_CFG_1(bank, 15, fn, sfx, cfg)
503 #define PORT_GP_16(bank, fn, sfx) PORT_GP_CFG_16(bank, fn, sfx, 0)
504
505 #define PORT_GP_CFG_17(bank, fn, sfx, cfg) \
506 PORT_GP_CFG_16(bank, fn, sfx, cfg), \
507 PORT_GP_CFG_1(bank, 16, fn, sfx, cfg)
508 #define PORT_GP_17(bank, fn, sfx) PORT_GP_CFG_17(bank, fn, sfx, 0)
509
510 #define PORT_GP_CFG_18(bank, fn, sfx, cfg) \
511 PORT_GP_CFG_17(bank, fn, sfx, cfg), \
512 PORT_GP_CFG_1(bank, 17, fn, sfx, cfg)
513 #define PORT_GP_18(bank, fn, sfx) PORT_GP_CFG_18(bank, fn, sfx, 0)
514
515 #define PORT_GP_CFG_20(bank, fn, sfx, cfg) \
516 PORT_GP_CFG_18(bank, fn, sfx, cfg), \
517 PORT_GP_CFG_1(bank, 18, fn, sfx, cfg), \
518 PORT_GP_CFG_1(bank, 19, fn, sfx, cfg)
519 #define PORT_GP_20(bank, fn, sfx) PORT_GP_CFG_20(bank, fn, sfx, 0)
520
521 #define PORT_GP_CFG_21(bank, fn, sfx, cfg) \
522 PORT_GP_CFG_20(bank, fn, sfx, cfg), \
523 PORT_GP_CFG_1(bank, 20, fn, sfx, cfg)
524 #define PORT_GP_21(bank, fn, sfx) PORT_GP_CFG_21(bank, fn, sfx, 0)
525
526 #define PORT_GP_CFG_22(bank, fn, sfx, cfg) \
527 PORT_GP_CFG_21(bank, fn, sfx, cfg), \
528 PORT_GP_CFG_1(bank, 21, fn, sfx, cfg)
529 #define PORT_GP_22(bank, fn, sfx) PORT_GP_CFG_22(bank, fn, sfx, 0)
530
531 #define PORT_GP_CFG_23(bank, fn, sfx, cfg) \
532 PORT_GP_CFG_22(bank, fn, sfx, cfg), \
533 PORT_GP_CFG_1(bank, 22, fn, sfx, cfg)
534 #define PORT_GP_23(bank, fn, sfx) PORT_GP_CFG_23(bank, fn, sfx, 0)
535
536 #define PORT_GP_CFG_24(bank, fn, sfx, cfg) \
537 PORT_GP_CFG_23(bank, fn, sfx, cfg), \
538 PORT_GP_CFG_1(bank, 23, fn, sfx, cfg)
539 #define PORT_GP_24(bank, fn, sfx) PORT_GP_CFG_24(bank, fn, sfx, 0)
540
541 #define PORT_GP_CFG_25(bank, fn, sfx, cfg) \
542 PORT_GP_CFG_24(bank, fn, sfx, cfg), \
543 PORT_GP_CFG_1(bank, 24, fn, sfx, cfg)
544 #define PORT_GP_25(bank, fn, sfx) PORT_GP_CFG_25(bank, fn, sfx, 0)
545
546 #define PORT_GP_CFG_26(bank, fn, sfx, cfg) \
547 PORT_GP_CFG_25(bank, fn, sfx, cfg), \
548 PORT_GP_CFG_1(bank, 25, fn, sfx, cfg)
549 #define PORT_GP_26(bank, fn, sfx) PORT_GP_CFG_26(bank, fn, sfx, 0)
550
551 #define PORT_GP_CFG_27(bank, fn, sfx, cfg) \
552 PORT_GP_CFG_26(bank, fn, sfx, cfg), \
553 PORT_GP_CFG_1(bank, 26, fn, sfx, cfg)
554 #define PORT_GP_27(bank, fn, sfx) PORT_GP_CFG_27(bank, fn, sfx, 0)
555
556 #define PORT_GP_CFG_28(bank, fn, sfx, cfg) \
557 PORT_GP_CFG_27(bank, fn, sfx, cfg), \
558 PORT_GP_CFG_1(bank, 27, fn, sfx, cfg)
559 #define PORT_GP_28(bank, fn, sfx) PORT_GP_CFG_28(bank, fn, sfx, 0)
560
561 #define PORT_GP_CFG_29(bank, fn, sfx, cfg) \
562 PORT_GP_CFG_28(bank, fn, sfx, cfg), \
563 PORT_GP_CFG_1(bank, 28, fn, sfx, cfg)
564 #define PORT_GP_29(bank, fn, sfx) PORT_GP_CFG_29(bank, fn, sfx, 0)
565
566 #define PORT_GP_CFG_30(bank, fn, sfx, cfg) \
567 PORT_GP_CFG_29(bank, fn, sfx, cfg), \
568 PORT_GP_CFG_1(bank, 29, fn, sfx, cfg)
569 #define PORT_GP_30(bank, fn, sfx) PORT_GP_CFG_30(bank, fn, sfx, 0)
570
571 #define PORT_GP_CFG_32(bank, fn, sfx, cfg) \
572 PORT_GP_CFG_30(bank, fn, sfx, cfg), \
573 PORT_GP_CFG_1(bank, 30, fn, sfx, cfg), \
574 PORT_GP_CFG_1(bank, 31, fn, sfx, cfg)
575 #define PORT_GP_32(bank, fn, sfx) PORT_GP_CFG_32(bank, fn, sfx, 0)
576
577 #define PORT_GP_32_REV(bank, fn, sfx) \
578 PORT_GP_1(bank, 31, fn, sfx), PORT_GP_1(bank, 30, fn, sfx), \
579 PORT_GP_1(bank, 29, fn, sfx), PORT_GP_1(bank, 28, fn, sfx), \
580 PORT_GP_1(bank, 27, fn, sfx), PORT_GP_1(bank, 26, fn, sfx), \
581 PORT_GP_1(bank, 25, fn, sfx), PORT_GP_1(bank, 24, fn, sfx), \
582 PORT_GP_1(bank, 23, fn, sfx), PORT_GP_1(bank, 22, fn, sfx), \
583 PORT_GP_1(bank, 21, fn, sfx), PORT_GP_1(bank, 20, fn, sfx), \
584 PORT_GP_1(bank, 19, fn, sfx), PORT_GP_1(bank, 18, fn, sfx), \
585 PORT_GP_1(bank, 17, fn, sfx), PORT_GP_1(bank, 16, fn, sfx), \
586 PORT_GP_1(bank, 15, fn, sfx), PORT_GP_1(bank, 14, fn, sfx), \
587 PORT_GP_1(bank, 13, fn, sfx), PORT_GP_1(bank, 12, fn, sfx), \
588 PORT_GP_1(bank, 11, fn, sfx), PORT_GP_1(bank, 10, fn, sfx), \
589 PORT_GP_1(bank, 9, fn, sfx), PORT_GP_1(bank, 8, fn, sfx), \
590 PORT_GP_1(bank, 7, fn, sfx), PORT_GP_1(bank, 6, fn, sfx), \
591 PORT_GP_1(bank, 5, fn, sfx), PORT_GP_1(bank, 4, fn, sfx), \
592 PORT_GP_1(bank, 3, fn, sfx), PORT_GP_1(bank, 2, fn, sfx), \
593 PORT_GP_1(bank, 1, fn, sfx), PORT_GP_1(bank, 0, fn, sfx)
594
595 /* GP_ALL(suffix) - Expand to a list of GP_#_#_suffix */
596 #define _GP_ALL(bank, pin, name, sfx, cfg) name##_##sfx
597 #define GP_ALL(str) CPU_ALL_GP(_GP_ALL, str)
598
599 /* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */
600 #define _GP_GPIO(bank, _pin, _name, sfx, cfg) \
601 { \
602 .pin = (bank * 32) + _pin, \
603 .name = __stringify(_name), \
604 .enum_id = _name##_DATA, \
605 .configs = cfg, \
606 }
607 #define PINMUX_GPIO_GP_ALL() CPU_ALL_GP(_GP_GPIO, unused)
608
609 /* PINMUX_DATA_GP_ALL - Expand to a list of name_DATA, name_FN marks */
610 #define _GP_DATA(bank, pin, name, sfx, cfg) PINMUX_DATA(name##_DATA, name##_FN)
611 #define PINMUX_DATA_GP_ALL() CPU_ALL_GP(_GP_DATA, unused)
612
613 /*
614 * GP_ASSIGN_LAST() - Expand to an enum definition for the last GP pin
615 *
616 * The largest GP pin index is obtained by taking the size of a union,
617 * containing one array per GP pin, sized by the corresponding pin index.
618 * As the fields in the CPU_ALL_GP() macro definition are separated by commas,
619 * while the members of a union must be terminated by semicolons, the commas
620 * are absorbed by wrapping them inside dummy attributes.
621 */
622 #define _GP_ENTRY(bank, pin, name, sfx, cfg) \
623 deprecated)); char name[(bank * 32) + pin] __attribute__((deprecated
624 #define GP_ASSIGN_LAST() \
625 GP_LAST = sizeof(union { \
626 char dummy[0] __attribute__((deprecated, \
627 CPU_ALL_GP(_GP_ENTRY, unused), \
628 deprecated)); \
629 })
630
631 /*
632 * PORT style (linear pin space)
633 */
634
635 #define PORT_1(pn, fn, pfx, sfx) fn(pn, pfx, sfx)
636
637 #define PORT_10(pn, fn, pfx, sfx) \
638 PORT_1(pn, fn, pfx##0, sfx), PORT_1(pn+1, fn, pfx##1, sfx), \
639 PORT_1(pn+2, fn, pfx##2, sfx), PORT_1(pn+3, fn, pfx##3, sfx), \
640 PORT_1(pn+4, fn, pfx##4, sfx), PORT_1(pn+5, fn, pfx##5, sfx), \
641 PORT_1(pn+6, fn, pfx##6, sfx), PORT_1(pn+7, fn, pfx##7, sfx), \
642 PORT_1(pn+8, fn, pfx##8, sfx), PORT_1(pn+9, fn, pfx##9, sfx)
643
644 #define PORT_90(pn, fn, pfx, sfx) \
645 PORT_10(pn+10, fn, pfx##1, sfx), PORT_10(pn+20, fn, pfx##2, sfx), \
646 PORT_10(pn+30, fn, pfx##3, sfx), PORT_10(pn+40, fn, pfx##4, sfx), \
647 PORT_10(pn+50, fn, pfx##5, sfx), PORT_10(pn+60, fn, pfx##6, sfx), \
648 PORT_10(pn+70, fn, pfx##7, sfx), PORT_10(pn+80, fn, pfx##8, sfx), \
649 PORT_10(pn+90, fn, pfx##9, sfx)
650
651 /* PORT_ALL(suffix) - Expand to a list of PORT_#_suffix */
652 #define _PORT_ALL(pn, pfx, sfx) pfx##_##sfx
653 #define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str)
654
655 /* PINMUX_GPIO - Expand to a sh_pfc_pin entry */
656 #define PINMUX_GPIO(_pin) \
657 [GPIO_##_pin] = { \
658 .pin = (u16)-1, \
659 .name = __stringify(GPIO_##_pin), \
660 .enum_id = _pin##_DATA, \
661 }
662
663 /* SH_PFC_PIN_CFG - Expand to a sh_pfc_pin entry (named PORT#) with config */
664 #define SH_PFC_PIN_CFG(_pin, cfgs) \
665 { \
666 .pin = _pin, \
667 .name = __stringify(PORT##_pin), \
668 .enum_id = PORT##_pin##_DATA, \
669 .configs = cfgs, \
670 }
671
672 /* PINMUX_DATA_ALL - Expand to a list of PORT_name_DATA, PORT_name_FN0,
673 * PORT_name_OUT, PORT_name_IN marks
674 */
675 #define _PORT_DATA(pn, pfx, sfx) \
676 PINMUX_DATA(PORT##pfx##_DATA, PORT##pfx##_FN0, \
677 PORT##pfx##_OUT, PORT##pfx##_IN)
678 #define PINMUX_DATA_ALL() CPU_ALL_PORT(_PORT_DATA, , unused)
679
680 /*
681 * PORT_ASSIGN_LAST() - Expand to an enum definition for the last PORT pin
682 *
683 * The largest PORT pin index is obtained by taking the size of a union,
684 * containing one array per PORT pin, sized by the corresponding pin index.
685 * As the fields in the CPU_ALL_PORT() macro definition are separated by
686 * commas, while the members of a union must be terminated by semicolons, the
687 * commas are absorbed by wrapping them inside dummy attributes.
688 */
689 #define _PORT_ENTRY(pn, pfx, sfx) \
690 deprecated)); char pfx[pn] __attribute__((deprecated
691 #define PORT_ASSIGN_LAST() \
692 PORT_LAST = sizeof(union { \
693 char dummy[0] __attribute__((deprecated, \
694 CPU_ALL_PORT(_PORT_ENTRY, PORT, unused), \
695 deprecated)); \
696 })
697
698 /* GPIO_FN(name) - Expand to a sh_pfc_pin entry for a function GPIO */
699 #define PINMUX_GPIO_FN(gpio, base, data_or_mark) \
700 [gpio - (base)] = { \
701 .name = __stringify(gpio), \
702 .enum_id = data_or_mark, \
703 }
704 #define GPIO_FN(str) \
705 PINMUX_GPIO_FN(GPIO_FN_##str, PINMUX_FN_BASE, str##_MARK)
706
707 /*
708 * Pins not associated with a GPIO port
709 */
710
711 #define PIN_NOGP_CFG(pin, name, fn, cfg) fn(pin, name, cfg)
712 #define PIN_NOGP(pin, name, fn) fn(pin, name, 0)
713
714 /* NOGP_ALL - Expand to a list of PIN_id */
715 #define _NOGP_ALL(pin, name, cfg) PIN_##pin
716 #define NOGP_ALL() CPU_ALL_NOGP(_NOGP_ALL)
717
718 /* PINMUX_NOGP_ALL - Expand to a list of sh_pfc_pin entries */
719 #define _NOGP_PINMUX(_pin, _name, cfg) \
720 { \
721 .pin = PIN_##_pin, \
722 .name = "PIN_" _name, \
723 .configs = SH_PFC_PIN_CFG_NO_GPIO | cfg, \
724 }
725 #define PINMUX_NOGP_ALL() CPU_ALL_NOGP(_NOGP_PINMUX)
726
727 /*
728 * PORTnCR helper macro for SH-Mobile/R-Mobile
729 */
730 #define PORTCR(nr, reg) \
731 { \
732 PINMUX_CFG_REG_VAR("PORT" nr "CR", reg, 8, \
733 GROUP(2, 2, 1, 3), \
734 GROUP( \
735 /* PULMD[1:0], handled by .set_bias() */ \
736 0, 0, 0, 0, \
737 /* IE and OE */ \
738 0, PORT##nr##_OUT, PORT##nr##_IN, 0, \
739 /* SEC, not supported */ \
740 0, 0, \
741 /* PTMD[2:0] */ \
742 PORT##nr##_FN0, PORT##nr##_FN1, \
743 PORT##nr##_FN2, PORT##nr##_FN3, \
744 PORT##nr##_FN4, PORT##nr##_FN5, \
745 PORT##nr##_FN6, PORT##nr##_FN7 \
746 )) \
747 }
748
749 /*
750 * GPIO number helper macro for R-Car
751 */
752 #define RCAR_GP_PIN(bank, pin) (((bank) * 32) + (pin))
753
754 #endif /* __SH_PFC_H */
Linux with added FPC-III support