diff options
Diffstat (limited to 'drivers/pinctrl/renesas/sh_pfc.h')
| -rw-r--r-- | drivers/pinctrl/renesas/sh_pfc.h | 776 |
1 files changed, 776 insertions, 0 deletions
diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h new file mode 100644 index 0000000000..8dc7a66009 --- /dev/null +++ b/drivers/pinctrl/renesas/sh_pfc.h @@ -0,0 +1,776 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * SuperH Pin Function Controller Support + * + * Copyright (c) 2008 Magnus Damm + */ + +#ifndef __SH_PFC_H +#define __SH_PFC_H + +#include <linux/bug.h> +#include <linux/pinctrl/pinconf-generic.h> +#include <linux/spinlock.h> +#include <linux/stringify.h> + +enum { + PINMUX_TYPE_NONE, + PINMUX_TYPE_FUNCTION, + PINMUX_TYPE_GPIO, + PINMUX_TYPE_OUTPUT, + PINMUX_TYPE_INPUT, +}; + +#define SH_PFC_PIN_NONE U16_MAX + +#define SH_PFC_PIN_CFG_INPUT (1 << 0) +#define SH_PFC_PIN_CFG_OUTPUT (1 << 1) +#define SH_PFC_PIN_CFG_PULL_UP (1 << 2) +#define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3) +#define SH_PFC_PIN_CFG_PULL_UP_DOWN (SH_PFC_PIN_CFG_PULL_UP | \ + SH_PFC_PIN_CFG_PULL_DOWN) + +#define SH_PFC_PIN_CFG_IO_VOLTAGE_MASK GENMASK(5, 4) +#define SH_PFC_PIN_CFG_IO_VOLTAGE_18_25 (1 << 4) +#define SH_PFC_PIN_CFG_IO_VOLTAGE_18_33 (2 << 4) +#define SH_PFC_PIN_CFG_IO_VOLTAGE_25_33 (3 << 4) + +#define SH_PFC_PIN_CFG_DRIVE_STRENGTH (1 << 6) + +#define SH_PFC_PIN_CFG_NO_GPIO (1 << 31) + +struct sh_pfc_pin { + const char *name; + unsigned int configs; + u16 pin; + u16 enum_id; +}; + +#define SH_PFC_PIN_GROUP_ALIAS(alias, _name) { \ + .name = #alias, \ + .pins = _name##_pins, \ + .mux = _name##_mux, \ + .nr_pins = ARRAY_SIZE(_name##_pins) + \ + BUILD_BUG_ON_ZERO(sizeof(_name##_pins) != sizeof(_name##_mux)), \ +} +#define SH_PFC_PIN_GROUP(name) SH_PFC_PIN_GROUP_ALIAS(name, name) + +/* + * Define a pin group referring to a subset of an array of pins. + */ +#define SH_PFC_PIN_GROUP_SUBSET(_name, data, first, n) { \ + .name = #_name, \ + .pins = data##_pins + first, \ + .mux = data##_mux + first, \ + .nr_pins = n + \ + BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_pins)) + \ + BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_mux)), \ +} + +/* + * Define a pin group for the data pins of a resizable bus. + * An optional 'suffix' argument is accepted, to be used when the same group + * can appear on a different set of pins. + */ +#define BUS_DATA_PIN_GROUP(base, n, ...) \ + SH_PFC_PIN_GROUP_SUBSET(base##n##__VA_ARGS__, base##__VA_ARGS__, 0, n) + +struct sh_pfc_pin_group { + const char *name; + const unsigned int *pins; + const unsigned int *mux; + unsigned int nr_pins; +}; + +#define SH_PFC_FUNCTION(n) { \ + .name = #n, \ + .groups = n##_groups, \ + .nr_groups = ARRAY_SIZE(n##_groups), \ +} + +struct sh_pfc_function { + const char *name; + const char * const *groups; + unsigned int nr_groups; +}; + +struct pinmux_func { + u16 enum_id; + const char *name; +}; + +struct pinmux_cfg_reg { + u32 reg; + u8 reg_width, field_width; +#ifdef DEBUG + u16 nr_enum_ids; /* for variable width regs only */ +#define SET_NR_ENUM_IDS(n) .nr_enum_ids = n, +#else +#define SET_NR_ENUM_IDS(n) +#endif + const u16 *enum_ids; + const s8 *var_field_width; +}; + +#define GROUP(...) __VA_ARGS__ + +/* + * Describe a config register consisting of several fields of the same width + * - name: Register name (unused, for documentation purposes only) + * - r: Physical register address + * - r_width: Width of the register (in bits) + * - f_width: Width of the fixed-width register fields (in bits) + * - ids: For each register field (from left to right, i.e. MSB to LSB), + * 2^f_width enum IDs must be specified, one for each possible + * combination of the register field bit values, all wrapped using + * the GROUP() macro. + */ +#define PINMUX_CFG_REG(name, r, r_width, f_width, ids) \ + .reg = r, .reg_width = r_width, \ + .field_width = f_width + BUILD_BUG_ON_ZERO(r_width % f_width) + \ + BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \ + (r_width / f_width) << f_width), \ + .enum_ids = (const u16 [(r_width / f_width) << f_width]) { ids } + +/* + * Describe a config register consisting of several fields of different widths + * - name: Register name (unused, for documentation purposes only) + * - r: Physical register address + * - r_width: Width of the register (in bits) + * - f_widths: List of widths of the register fields (in bits), from left + * to right (i.e. MSB to LSB), wrapped using the GROUP() macro. + * Reserved fields are indicated by negating the field width. + * - ids: For each non-reserved register field (from left to right, i.e. MSB + * to LSB), 2^f_widths[i] enum IDs must be specified, one for each + * possible combination of the register field bit values, all wrapped + * using the GROUP() macro. + */ +#define PINMUX_CFG_REG_VAR(name, r, r_width, f_widths, ids) \ + .reg = r, .reg_width = r_width, \ + .var_field_width = (const s8 []) { f_widths, 0 }, \ + SET_NR_ENUM_IDS(sizeof((const u16 []) { ids }) / sizeof(u16)) \ + .enum_ids = (const u16 []) { ids } + +struct pinmux_drive_reg_field { + u16 pin; + u8 offset; + u8 size; +}; + +struct pinmux_drive_reg { + u32 reg; + const struct pinmux_drive_reg_field fields[10]; +}; + +#define PINMUX_DRIVE_REG(name, r) \ + .reg = r, \ + .fields = + +struct pinmux_bias_reg { /* At least one of puen/pud must exist */ + u32 puen; /* Pull-enable or pull-up control register */ + u32 pud; /* Pull-up/down or pull-down control register */ + const u16 pins[32]; +}; + +#define PINMUX_BIAS_REG(name1, r1, name2, r2) \ + .puen = r1, \ + .pud = r2, \ + .pins = + +struct pinmux_ioctrl_reg { + u32 reg; +}; + +struct pinmux_data_reg { + u32 reg; + u8 reg_width; + const u16 *enum_ids; +}; + +/* + * Describe a data register + * - name: Register name (unused, for documentation purposes only) + * - r: Physical register address + * - r_width: Width of the register (in bits) + * - ids: For each register bit (from left to right, i.e. MSB to LSB), one + * enum ID must be specified, all wrapped using the GROUP() macro. + */ +#define PINMUX_DATA_REG(name, r, r_width, ids) \ + .reg = r, .reg_width = r_width + \ + BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \ + r_width), \ + .enum_ids = (const u16 [r_width]) { ids } + +struct pinmux_irq { + const short *gpios; +}; + +/* + * Describe the mapping from GPIOs to a single IRQ + * - ids...: List of GPIOs that are mapped to the same IRQ + */ +#define PINMUX_IRQ(ids...) { \ + .gpios = (const short []) { ids, -1 } \ +} + +struct pinmux_range { + u16 begin; + u16 end; + u16 force; +}; + +struct sh_pfc_window { + phys_addr_t phys; + void __iomem *virt; + unsigned long size; +}; + +struct sh_pfc_pin_range; + +struct sh_pfc { + struct device *dev; + const struct sh_pfc_soc_info *info; + spinlock_t lock; + + unsigned int num_windows; + struct sh_pfc_window *windows; + unsigned int num_irqs; + unsigned int *irqs; + + struct sh_pfc_pin_range *ranges; + unsigned int nr_ranges; + + unsigned int nr_gpio_pins; + + struct sh_pfc_chip *gpio; + u32 *saved_regs; +}; + +struct sh_pfc_soc_operations { + int (*init)(struct sh_pfc *pfc); + unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin); + void (*set_bias)(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias); + int (*pin_to_pocctrl)(unsigned int pin, u32 *pocctrl); + int (*pin_to_portcr)(unsigned int pin); +}; + +struct sh_pfc_soc_info { + const char *name; + const struct sh_pfc_soc_operations *ops; + +#ifdef CONFIG_PINCTRL_SH_PFC_GPIO + struct pinmux_range input; + struct pinmux_range output; + const struct pinmux_irq *gpio_irq; + unsigned int gpio_irq_size; +#endif + + struct pinmux_range function; + + const struct sh_pfc_pin *pins; + unsigned int nr_pins; + const struct sh_pfc_pin_group *groups; + unsigned int nr_groups; + const struct sh_pfc_function *functions; + unsigned int nr_functions; + +#ifdef CONFIG_PINCTRL_SH_FUNC_GPIO + const struct pinmux_func *func_gpios; + unsigned int nr_func_gpios; +#endif + + const struct pinmux_cfg_reg *cfg_regs; + const struct pinmux_drive_reg *drive_regs; + const struct pinmux_bias_reg *bias_regs; + const struct pinmux_ioctrl_reg *ioctrl_regs; + const struct pinmux_data_reg *data_regs; + + const u16 *pinmux_data; + unsigned int pinmux_data_size; + + u32 unlock_reg; /* can be literal address or mask */ +}; + +extern const struct sh_pfc_soc_info emev2_pinmux_info; +extern const struct sh_pfc_soc_info r8a73a4_pinmux_info; +extern const struct sh_pfc_soc_info r8a7740_pinmux_info; +extern const struct sh_pfc_soc_info r8a7742_pinmux_info; +extern const struct sh_pfc_soc_info r8a7743_pinmux_info; +extern const struct sh_pfc_soc_info r8a7744_pinmux_info; +extern const struct sh_pfc_soc_info r8a7745_pinmux_info; +extern const struct sh_pfc_soc_info r8a77470_pinmux_info; +extern const struct sh_pfc_soc_info r8a774a1_pinmux_info; +extern const struct sh_pfc_soc_info r8a774b1_pinmux_info; +extern const struct sh_pfc_soc_info r8a774c0_pinmux_info; +extern const struct sh_pfc_soc_info r8a774e1_pinmux_info; +extern const struct sh_pfc_soc_info r8a7778_pinmux_info; +extern const struct sh_pfc_soc_info r8a7779_pinmux_info; +extern const struct sh_pfc_soc_info r8a7790_pinmux_info; +extern const struct sh_pfc_soc_info r8a7791_pinmux_info; +extern const struct sh_pfc_soc_info r8a7792_pinmux_info; +extern const struct sh_pfc_soc_info r8a7793_pinmux_info; +extern const struct sh_pfc_soc_info r8a7794_pinmux_info; +extern const struct sh_pfc_soc_info r8a77951_pinmux_info; +extern const struct sh_pfc_soc_info r8a77960_pinmux_info; +extern const struct sh_pfc_soc_info r8a77961_pinmux_info; +extern const struct sh_pfc_soc_info r8a77965_pinmux_info; +extern const struct sh_pfc_soc_info r8a77970_pinmux_info; +extern const struct sh_pfc_soc_info r8a77980_pinmux_info; +extern const struct sh_pfc_soc_info r8a77990_pinmux_info; +extern const struct sh_pfc_soc_info r8a77995_pinmux_info; +extern const struct sh_pfc_soc_info r8a779a0_pinmux_info; +extern const struct sh_pfc_soc_info r8a779f0_pinmux_info; +extern const struct sh_pfc_soc_info r8a779g0_pinmux_info; +extern const struct sh_pfc_soc_info sh7203_pinmux_info; +extern const struct sh_pfc_soc_info sh7264_pinmux_info; +extern const struct sh_pfc_soc_info sh7269_pinmux_info; +extern const struct sh_pfc_soc_info sh73a0_pinmux_info; +extern const struct sh_pfc_soc_info sh7720_pinmux_info; +extern const struct sh_pfc_soc_info sh7722_pinmux_info; +extern const struct sh_pfc_soc_info sh7723_pinmux_info; +extern const struct sh_pfc_soc_info sh7724_pinmux_info; +extern const struct sh_pfc_soc_info sh7734_pinmux_info; +extern const struct sh_pfc_soc_info sh7757_pinmux_info; +extern const struct sh_pfc_soc_info sh7785_pinmux_info; +extern const struct sh_pfc_soc_info sh7786_pinmux_info; +extern const struct sh_pfc_soc_info shx3_pinmux_info; + +/* ----------------------------------------------------------------------------- + * Helper macros to create pin and port lists + */ + +/* + * sh_pfc_soc_info pinmux_data array macros + */ + +/* + * Describe generic pinmux data + * - data_or_mark: *_DATA or *_MARK enum ID + * - ids...: List of enum IDs to associate with data_or_mark + */ +#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0 + +/* + * Describe a pinmux configuration without GPIO function that needs + * configuration in a Peripheral Function Select Register (IPSR) + * - ipsr: IPSR field (unused, for documentation purposes only) + * - fn: Function name, referring to a field in the IPSR + */ +#define PINMUX_IPSR_NOGP(ipsr, fn) \ + PINMUX_DATA(fn##_MARK, FN_##fn) + +/* + * Describe a pinmux configuration with GPIO function that needs configuration + * in both a Peripheral Function Select Register (IPSR) and in a + * GPIO/Peripheral Function Select Register (GPSR) + * - ipsr: IPSR field + * - fn: Function name, also referring to the IPSR field + */ +#define PINMUX_IPSR_GPSR(ipsr, fn) \ + PINMUX_DATA(fn##_MARK, FN_##fn, FN_##ipsr) + +/* + * Describe a pinmux configuration without GPIO function that needs + * configuration in a Peripheral Function Select Register (IPSR), and where the + * pinmux function has a representation in a Module Select Register (MOD_SEL). + * - ipsr: IPSR field (unused, for documentation purposes only) + * - fn: Function name, also referring to the IPSR field + * - msel: Module selector + */ +#define PINMUX_IPSR_NOGM(ipsr, fn, msel) \ + PINMUX_DATA(fn##_MARK, FN_##fn, FN_##msel) + +/* + * Describe a pinmux configuration with GPIO function where the pinmux function + * has no representation in a Peripheral Function Select Register (IPSR), but + * instead solely depends on a group selection. + * - gpsr: GPSR field + * - fn: Function name, also referring to the GPSR field + * - gsel: Group selector + */ +#define PINMUX_IPSR_NOFN(gpsr, fn, gsel) \ + PINMUX_DATA(fn##_MARK, FN_##gpsr, FN_##gsel) + +/* + * Describe a pinmux configuration with GPIO function that needs configuration + * in both a Peripheral Function Select Register (IPSR) and a GPIO/Peripheral + * Function Select Register (GPSR), and where the pinmux function has a + * representation in a Module Select Register (MOD_SEL). + * - ipsr: IPSR field + * - fn: Function name, also referring to the IPSR field + * - msel: Module selector + */ +#define PINMUX_IPSR_MSEL(ipsr, fn, msel) \ + PINMUX_DATA(fn##_MARK, FN_##msel, FN_##fn, FN_##ipsr) + +/* + * Describe a pinmux configuration similar to PINMUX_IPSR_MSEL, but with + * an additional select register that controls physical multiplexing + * with another pin. + * - ipsr: IPSR field + * - fn: Function name, also referring to the IPSR field + * - psel: Physical multiplexing selector + * - msel: Module selector + */ +#define PINMUX_IPSR_PHYS_MSEL(ipsr, fn, psel, msel) \ + PINMUX_DATA(fn##_MARK, FN_##psel, FN_##msel, FN_##fn, FN_##ipsr) + +/* + * Describe a pinmux configuration in which a pin is physically multiplexed + * with other pins. + * - ipsr: IPSR field + * - fn: Function name + * - psel: Physical multiplexing selector + */ +#define PINMUX_IPSR_PHYS(ipsr, fn, psel) \ + PINMUX_DATA(fn##_MARK, FN_##psel, FN_##ipsr) + +/* + * Describe a pinmux configuration for a single-function pin with GPIO + * capability. + * - fn: Function name + */ +#define PINMUX_SINGLE(fn) \ + PINMUX_DATA(fn##_MARK, FN_##fn) + +/* + * GP port style (32 ports banks) + */ + +#define PORT_GP_CFG_1(bank, pin, fn, sfx, cfg) \ + fn(bank, pin, GP_##bank##_##pin, sfx, cfg) +#define PORT_GP_1(bank, pin, fn, sfx) PORT_GP_CFG_1(bank, pin, fn, sfx, 0) + +#define PORT_GP_CFG_2(bank, fn, sfx, cfg) \ + PORT_GP_CFG_1(bank, 0, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 1, fn, sfx, cfg) +#define PORT_GP_2(bank, fn, sfx) PORT_GP_CFG_2(bank, fn, sfx, 0) + +#define PORT_GP_CFG_4(bank, fn, sfx, cfg) \ + PORT_GP_CFG_2(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 2, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 3, fn, sfx, cfg) +#define PORT_GP_4(bank, fn, sfx) PORT_GP_CFG_4(bank, fn, sfx, 0) + +#define PORT_GP_CFG_6(bank, fn, sfx, cfg) \ + PORT_GP_CFG_4(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 4, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 5, fn, sfx, cfg) +#define PORT_GP_6(bank, fn, sfx) PORT_GP_CFG_6(bank, fn, sfx, 0) + +#define PORT_GP_CFG_7(bank, fn, sfx, cfg) \ + PORT_GP_CFG_6(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 6, fn, sfx, cfg) +#define PORT_GP_7(bank, fn, sfx) PORT_GP_CFG_7(bank, fn, sfx, 0) + +#define PORT_GP_CFG_8(bank, fn, sfx, cfg) \ + PORT_GP_CFG_7(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 7, fn, sfx, cfg) +#define PORT_GP_8(bank, fn, sfx) PORT_GP_CFG_8(bank, fn, sfx, 0) + +#define PORT_GP_CFG_9(bank, fn, sfx, cfg) \ + PORT_GP_CFG_8(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 8, fn, sfx, cfg) +#define PORT_GP_9(bank, fn, sfx) PORT_GP_CFG_9(bank, fn, sfx, 0) + +#define PORT_GP_CFG_10(bank, fn, sfx, cfg) \ + PORT_GP_CFG_9(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 9, fn, sfx, cfg) +#define PORT_GP_10(bank, fn, sfx) PORT_GP_CFG_10(bank, fn, sfx, 0) + +#define PORT_GP_CFG_11(bank, fn, sfx, cfg) \ + PORT_GP_CFG_10(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 10, fn, sfx, cfg) +#define PORT_GP_11(bank, fn, sfx) PORT_GP_CFG_11(bank, fn, sfx, 0) + +#define PORT_GP_CFG_12(bank, fn, sfx, cfg) \ + PORT_GP_CFG_11(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 11, fn, sfx, cfg) +#define PORT_GP_12(bank, fn, sfx) PORT_GP_CFG_12(bank, fn, sfx, 0) + +#define PORT_GP_CFG_13(bank, fn, sfx, cfg) \ + PORT_GP_CFG_12(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 12, fn, sfx, cfg) +#define PORT_GP_13(bank, fn, sfx) PORT_GP_CFG_13(bank, fn, sfx, 0) + +#define PORT_GP_CFG_14(bank, fn, sfx, cfg) \ + PORT_GP_CFG_13(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 13, fn, sfx, cfg) +#define PORT_GP_14(bank, fn, sfx) PORT_GP_CFG_14(bank, fn, sfx, 0) + +#define PORT_GP_CFG_15(bank, fn, sfx, cfg) \ + PORT_GP_CFG_14(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 14, fn, sfx, cfg) +#define PORT_GP_15(bank, fn, sfx) PORT_GP_CFG_15(bank, fn, sfx, 0) + +#define PORT_GP_CFG_16(bank, fn, sfx, cfg) \ + PORT_GP_CFG_15(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 15, fn, sfx, cfg) +#define PORT_GP_16(bank, fn, sfx) PORT_GP_CFG_16(bank, fn, sfx, 0) + +#define PORT_GP_CFG_17(bank, fn, sfx, cfg) \ + PORT_GP_CFG_16(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 16, fn, sfx, cfg) +#define PORT_GP_17(bank, fn, sfx) PORT_GP_CFG_17(bank, fn, sfx, 0) + +#define PORT_GP_CFG_18(bank, fn, sfx, cfg) \ + PORT_GP_CFG_17(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 17, fn, sfx, cfg) +#define PORT_GP_18(bank, fn, sfx) PORT_GP_CFG_18(bank, fn, sfx, 0) + +#define PORT_GP_CFG_19(bank, fn, sfx, cfg) \ + PORT_GP_CFG_18(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 18, fn, sfx, cfg) +#define PORT_GP_19(bank, fn, sfx) PORT_GP_CFG_19(bank, fn, sfx, 0) + +#define PORT_GP_CFG_20(bank, fn, sfx, cfg) \ + PORT_GP_CFG_19(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 19, fn, sfx, cfg) +#define PORT_GP_20(bank, fn, sfx) PORT_GP_CFG_20(bank, fn, sfx, 0) + +#define PORT_GP_CFG_21(bank, fn, sfx, cfg) \ + PORT_GP_CFG_20(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 20, fn, sfx, cfg) +#define PORT_GP_21(bank, fn, sfx) PORT_GP_CFG_21(bank, fn, sfx, 0) + +#define PORT_GP_CFG_22(bank, fn, sfx, cfg) \ + PORT_GP_CFG_21(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 21, fn, sfx, cfg) +#define PORT_GP_22(bank, fn, sfx) PORT_GP_CFG_22(bank, fn, sfx, 0) + +#define PORT_GP_CFG_23(bank, fn, sfx, cfg) \ + PORT_GP_CFG_22(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 22, fn, sfx, cfg) +#define PORT_GP_23(bank, fn, sfx) PORT_GP_CFG_23(bank, fn, sfx, 0) + +#define PORT_GP_CFG_24(bank, fn, sfx, cfg) \ + PORT_GP_CFG_23(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 23, fn, sfx, cfg) +#define PORT_GP_24(bank, fn, sfx) PORT_GP_CFG_24(bank, fn, sfx, 0) + +#define PORT_GP_CFG_25(bank, fn, sfx, cfg) \ + PORT_GP_CFG_24(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 24, fn, sfx, cfg) +#define PORT_GP_25(bank, fn, sfx) PORT_GP_CFG_25(bank, fn, sfx, 0) + +#define PORT_GP_CFG_26(bank, fn, sfx, cfg) \ + PORT_GP_CFG_25(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 25, fn, sfx, cfg) +#define PORT_GP_26(bank, fn, sfx) PORT_GP_CFG_26(bank, fn, sfx, 0) + +#define PORT_GP_CFG_27(bank, fn, sfx, cfg) \ + PORT_GP_CFG_26(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 26, fn, sfx, cfg) +#define PORT_GP_27(bank, fn, sfx) PORT_GP_CFG_27(bank, fn, sfx, 0) + +#define PORT_GP_CFG_28(bank, fn, sfx, cfg) \ + PORT_GP_CFG_27(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 27, fn, sfx, cfg) +#define PORT_GP_28(bank, fn, sfx) PORT_GP_CFG_28(bank, fn, sfx, 0) + +#define PORT_GP_CFG_29(bank, fn, sfx, cfg) \ + PORT_GP_CFG_28(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 28, fn, sfx, cfg) +#define PORT_GP_29(bank, fn, sfx) PORT_GP_CFG_29(bank, fn, sfx, 0) + +#define PORT_GP_CFG_30(bank, fn, sfx, cfg) \ + PORT_GP_CFG_29(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 29, fn, sfx, cfg) +#define PORT_GP_30(bank, fn, sfx) PORT_GP_CFG_30(bank, fn, sfx, 0) + +#define PORT_GP_CFG_31(bank, fn, sfx, cfg) \ + PORT_GP_CFG_30(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 30, fn, sfx, cfg) +#define PORT_GP_31(bank, fn, sfx) PORT_GP_CFG_31(bank, fn, sfx, 0) + +#define PORT_GP_CFG_32(bank, fn, sfx, cfg) \ + PORT_GP_CFG_31(bank, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 31, fn, sfx, cfg) +#define PORT_GP_32(bank, fn, sfx) PORT_GP_CFG_32(bank, fn, sfx, 0) + +#define PORT_GP_32_REV(bank, fn, sfx) \ + PORT_GP_1(bank, 31, fn, sfx), PORT_GP_1(bank, 30, fn, sfx), \ + PORT_GP_1(bank, 29, fn, sfx), PORT_GP_1(bank, 28, fn, sfx), \ + PORT_GP_1(bank, 27, fn, sfx), PORT_GP_1(bank, 26, fn, sfx), \ + PORT_GP_1(bank, 25, fn, sfx), PORT_GP_1(bank, 24, fn, sfx), \ + PORT_GP_1(bank, 23, fn, sfx), PORT_GP_1(bank, 22, fn, sfx), \ + PORT_GP_1(bank, 21, fn, sfx), PORT_GP_1(bank, 20, fn, sfx), \ + PORT_GP_1(bank, 19, fn, sfx), PORT_GP_1(bank, 18, fn, sfx), \ + PORT_GP_1(bank, 17, fn, sfx), PORT_GP_1(bank, 16, fn, sfx), \ + PORT_GP_1(bank, 15, fn, sfx), PORT_GP_1(bank, 14, fn, sfx), \ + PORT_GP_1(bank, 13, fn, sfx), PORT_GP_1(bank, 12, fn, sfx), \ + PORT_GP_1(bank, 11, fn, sfx), PORT_GP_1(bank, 10, fn, sfx), \ + PORT_GP_1(bank, 9, fn, sfx), PORT_GP_1(bank, 8, fn, sfx), \ + PORT_GP_1(bank, 7, fn, sfx), PORT_GP_1(bank, 6, fn, sfx), \ + PORT_GP_1(bank, 5, fn, sfx), PORT_GP_1(bank, 4, fn, sfx), \ + PORT_GP_1(bank, 3, fn, sfx), PORT_GP_1(bank, 2, fn, sfx), \ + PORT_GP_1(bank, 1, fn, sfx), PORT_GP_1(bank, 0, fn, sfx) + +/* GP_ALL(suffix) - Expand to a list of GP_#_#_suffix */ +#define _GP_ALL(bank, pin, name, sfx, cfg) name##_##sfx +#define GP_ALL(str) CPU_ALL_GP(_GP_ALL, str) + +/* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */ +#define _GP_GPIO(bank, _pin, _name, sfx, cfg) { \ + .pin = (bank * 32) + _pin, \ + .name = __stringify(_name), \ + .enum_id = _name##_DATA, \ + .configs = cfg, \ +} +#define PINMUX_GPIO_GP_ALL() CPU_ALL_GP(_GP_GPIO, unused) + +/* PINMUX_DATA_GP_ALL - Expand to a list of name_DATA, name_FN marks */ +#define _GP_DATA(bank, pin, name, sfx, cfg) PINMUX_DATA(name##_DATA, name##_FN) +#define PINMUX_DATA_GP_ALL() CPU_ALL_GP(_GP_DATA, unused) + +/* + * GP_ASSIGN_LAST() - Expand to an enum definition for the last GP pin + * + * The largest GP pin index is obtained by taking the size of a union, + * containing one array per GP pin, sized by the corresponding pin index. + * As the fields in the CPU_ALL_GP() macro definition are separated by commas, + * while the members of a union must be terminated by semicolons, the commas + * are absorbed by wrapping them inside dummy attributes. + */ +#define _GP_ENTRY(bank, pin, name, sfx, cfg) \ + deprecated)); char name[(bank * 32) + pin] __attribute__((deprecated +#define GP_ASSIGN_LAST() \ + GP_LAST = sizeof(union { \ + char dummy[0] __attribute__((deprecated, \ + CPU_ALL_GP(_GP_ENTRY, unused), \ + deprecated)); \ + }) + +/* + * PORT style (linear pin space) + */ + +#define PORT_1(pn, fn, pfx, sfx) fn(pn, pfx, sfx) + +#define PORT_10(pn, fn, pfx, sfx) \ + PORT_1(pn, fn, pfx##0, sfx), PORT_1(pn+1, fn, pfx##1, sfx), \ + PORT_1(pn+2, fn, pfx##2, sfx), PORT_1(pn+3, fn, pfx##3, sfx), \ + PORT_1(pn+4, fn, pfx##4, sfx), PORT_1(pn+5, fn, pfx##5, sfx), \ + PORT_1(pn+6, fn, pfx##6, sfx), PORT_1(pn+7, fn, pfx##7, sfx), \ + PORT_1(pn+8, fn, pfx##8, sfx), PORT_1(pn+9, fn, pfx##9, sfx) + +#define PORT_90(pn, fn, pfx, sfx) \ + PORT_10(pn+10, fn, pfx##1, sfx), PORT_10(pn+20, fn, pfx##2, sfx), \ + PORT_10(pn+30, fn, pfx##3, sfx), PORT_10(pn+40, fn, pfx##4, sfx), \ + PORT_10(pn+50, fn, pfx##5, sfx), PORT_10(pn+60, fn, pfx##6, sfx), \ + PORT_10(pn+70, fn, pfx##7, sfx), PORT_10(pn+80, fn, pfx##8, sfx), \ + PORT_10(pn+90, fn, pfx##9, sfx) + +/* PORT_ALL(suffix) - Expand to a list of PORT_#_suffix */ +#define _PORT_ALL(pn, pfx, sfx) pfx##_##sfx +#define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str) + +/* PINMUX_GPIO - Expand to a sh_pfc_pin entry */ +#define PINMUX_GPIO(_pin) \ + [GPIO_##_pin] = { \ + .pin = (u16)-1, \ + .name = __stringify(GPIO_##_pin), \ + .enum_id = _pin##_DATA, \ + } + +/* SH_PFC_PIN_CFG - Expand to a sh_pfc_pin entry (named PORT#) with config */ +#define SH_PFC_PIN_CFG(_pin, cfgs) { \ + .pin = _pin, \ + .name = __stringify(PORT##_pin), \ + .enum_id = PORT##_pin##_DATA, \ + .configs = cfgs, \ +} + +/* PINMUX_DATA_ALL - Expand to a list of PORT_name_DATA, PORT_name_FN0, + * PORT_name_OUT, PORT_name_IN marks + */ +#define _PORT_DATA(pn, pfx, sfx) \ + PINMUX_DATA(PORT##pfx##_DATA, PORT##pfx##_FN0, \ + PORT##pfx##_OUT, PORT##pfx##_IN) +#define PINMUX_DATA_ALL() CPU_ALL_PORT(_PORT_DATA, , unused) + +/* + * PORT_ASSIGN_LAST() - Expand to an enum definition for the last PORT pin + * + * The largest PORT pin index is obtained by taking the size of a union, + * containing one array per PORT pin, sized by the corresponding pin index. + * As the fields in the CPU_ALL_PORT() macro definition are separated by + * commas, while the members of a union must be terminated by semicolons, the + * commas are absorbed by wrapping them inside dummy attributes. + */ +#define _PORT_ENTRY(pn, pfx, sfx) \ + deprecated)); char pfx[pn] __attribute__((deprecated +#define PORT_ASSIGN_LAST() \ + PORT_LAST = sizeof(union { \ + char dummy[0] __attribute__((deprecated, \ + CPU_ALL_PORT(_PORT_ENTRY, PORT, unused), \ + deprecated)); \ + }) + +/* GPIO_FN(name) - Expand to a sh_pfc_pin entry for a function GPIO */ +#define PINMUX_GPIO_FN(gpio, base, data_or_mark) \ + [gpio - (base)] = { \ + .name = __stringify(gpio), \ + .enum_id = data_or_mark, \ + } +#define GPIO_FN(str) \ + PINMUX_GPIO_FN(GPIO_FN_##str, PINMUX_FN_BASE, str##_MARK) + +/* + * Pins not associated with a GPIO port + */ + +#define PIN_NOGP_CFG(pin, name, fn, cfg) fn(pin, name, cfg) +#define PIN_NOGP(pin, name, fn) fn(pin, name, 0) + +/* NOGP_ALL - Expand to a list of PIN_id */ +#define _NOGP_ALL(pin, name, cfg) PIN_##pin +#define NOGP_ALL() CPU_ALL_NOGP(_NOGP_ALL) + +/* PINMUX_NOGP_ALL - Expand to a list of sh_pfc_pin entries */ +#define _NOGP_PINMUX(_pin, _name, cfg) { \ + .pin = PIN_##_pin, \ + .name = "PIN_" _name, \ + .configs = SH_PFC_PIN_CFG_NO_GPIO | cfg, \ +} +#define PINMUX_NOGP_ALL() CPU_ALL_NOGP(_NOGP_PINMUX) + +/* + * PORTnCR helper macro for SH-Mobile/R-Mobile + */ +#define PORTCR(nr, reg) { \ + PINMUX_CFG_REG_VAR("PORT" nr "CR", reg, 8, GROUP(-2, 2, -1, 3), \ + GROUP( \ + /* PULMD[1:0], handled by .set_bias() */ \ + /* IE and OE */ \ + 0, PORT##nr##_OUT, PORT##nr##_IN, 0, \ + /* SEC, not supported */ \ + /* PTMD[2:0] */ \ + PORT##nr##_FN0, PORT##nr##_FN1, \ + PORT##nr##_FN2, PORT##nr##_FN3, \ + PORT##nr##_FN4, PORT##nr##_FN5, \ + PORT##nr##_FN6, PORT##nr##_FN7 \ + )) \ +} + +/* + * GPIO number helper macro for R-Car + */ +#define RCAR_GP_PIN(bank, pin) (((bank) * 32) + (pin)) + +/* + * Bias helpers + */ +const struct pinmux_bias_reg * +rcar_pin_to_bias_reg(const struct sh_pfc_soc_info *info, unsigned int pin, + unsigned int *bit); +unsigned int rcar_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin); +void rcar_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias); + +unsigned int rmobile_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin); +void rmobile_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias); + +#endif /* __SH_PFC_H */ |