Eric Lee / smarc-fsl-linux-kernel

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include/linux/sh_pfc.h 5.66 KB
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  /*
   * SuperH Pin Function Controller Support
   *
   * Copyright (c) 2008 Magnus Damm
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   */
  
  #ifndef __SH_PFC_H
  #define __SH_PFC_H
  
  #include <asm-generic/gpio.h>
  
  typedef unsigned short pinmux_enum_t;
  typedef unsigned short pinmux_flag_t;
  
  #define PINMUX_TYPE_NONE            0
  #define PINMUX_TYPE_FUNCTION        1
  #define PINMUX_TYPE_GPIO            2
  #define PINMUX_TYPE_OUTPUT          3
  #define PINMUX_TYPE_INPUT           4
  #define PINMUX_TYPE_INPUT_PULLUP    5
  #define PINMUX_TYPE_INPUT_PULLDOWN  6
  
  #define PINMUX_FLAG_TYPE            (0x7)
  #define PINMUX_FLAG_WANT_PULLUP     (1 << 3)
  #define PINMUX_FLAG_WANT_PULLDOWN   (1 << 4)
  
  #define PINMUX_FLAG_DBIT_SHIFT      5
  #define PINMUX_FLAG_DBIT            (0x1f << PINMUX_FLAG_DBIT_SHIFT)
  #define PINMUX_FLAG_DREG_SHIFT      10
  #define PINMUX_FLAG_DREG            (0x3f << PINMUX_FLAG_DREG_SHIFT)
  
  struct pinmux_gpio {
  	pinmux_enum_t enum_id;
  	pinmux_flag_t flags;
  };
  
  #define PINMUX_GPIO(gpio, data_or_mark) [gpio] = { data_or_mark }
  #define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
  
  struct pinmux_cfg_reg {
  	unsigned long reg, reg_width, field_width;
  	unsigned long *cnt;
  	pinmux_enum_t *enum_ids;
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  	unsigned long *var_field_width;
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  };
  
  #define PINMUX_CFG_REG(name, r, r_width, f_width) \
  	.reg = r, .reg_width = r_width, .field_width = f_width,		\
  	.cnt = (unsigned long [r_width / f_width]) {}, \
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  	.enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)])
  
  #define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \
  	.reg = r, .reg_width = r_width,	\
  	.cnt = (unsigned long [r_width]) {}, \
  	.var_field_width = (unsigned long [r_width]) { var_fw0, var_fwn, 0 }, \
  	.enum_ids = (pinmux_enum_t [])
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  struct pinmux_data_reg {
  	unsigned long reg, reg_width, reg_shadow;
  	pinmux_enum_t *enum_ids;
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  	void __iomem *mapped_reg;
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  };
  
  #define PINMUX_DATA_REG(name, r, r_width) \
  	.reg = r, .reg_width = r_width,	\
  	.enum_ids = (pinmux_enum_t [r_width]) \
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  struct pinmux_irq {
  	int irq;
  	pinmux_enum_t *enum_ids;
  };
  
  #define PINMUX_IRQ(irq_nr, ids...)			   \
  	{ .irq = irq_nr, .enum_ids = (pinmux_enum_t []) { ids, 0 } }	\
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  struct pinmux_range {
  	pinmux_enum_t begin;
  	pinmux_enum_t end;
  	pinmux_enum_t force;
  };
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  struct pfc_window {
  	phys_addr_t phys;
  	void __iomem *virt;
  	unsigned long size;
  };
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  struct pinmux_info {
  	char *name;
  	pinmux_enum_t reserved_id;
  	struct pinmux_range data;
  	struct pinmux_range input;
  	struct pinmux_range input_pd;
  	struct pinmux_range input_pu;
  	struct pinmux_range output;
  	struct pinmux_range mark;
  	struct pinmux_range function;
  
  	unsigned first_gpio, last_gpio;
  
  	struct pinmux_gpio *gpios;
  	struct pinmux_cfg_reg *cfg_regs;
  	struct pinmux_data_reg *data_regs;
  
  	pinmux_enum_t *gpio_data;
  	unsigned int gpio_data_size;
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  	struct pinmux_irq *gpio_irq;
  	unsigned int gpio_irq_size;
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  	struct resource *resource;
  	unsigned int num_resources;
  	struct pfc_window *window;
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  	unsigned long unlock_reg;
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  	struct gpio_chip chip;
  };
  
  int register_pinmux(struct pinmux_info *pip);
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  int unregister_pinmux(struct pinmux_info *pip);
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972c3fb69
 
 Kuninori Morimoto
 
ARM: mach-shmobil...




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  /* helper macro for port */
  #define PORT_1(fn, pfx, sfx) fn(pfx, sfx)
  
  #define PORT_10(fn, pfx, sfx) \
  	PORT_1(fn, pfx##0, sfx), PORT_1(fn, pfx##1, sfx),	\
  	PORT_1(fn, pfx##2, sfx), PORT_1(fn, pfx##3, sfx),	\
  	PORT_1(fn, pfx##4, sfx), PORT_1(fn, pfx##5, sfx),	\
  	PORT_1(fn, pfx##6, sfx), PORT_1(fn, pfx##7, sfx),	\
  	PORT_1(fn, pfx##8, sfx), PORT_1(fn, pfx##9, sfx)
  
  #define PORT_90(fn, pfx, sfx) \
  	PORT_10(fn, pfx##1, sfx), PORT_10(fn, pfx##2, sfx),	\
  	PORT_10(fn, pfx##3, sfx), PORT_10(fn, pfx##4, sfx),	\
  	PORT_10(fn, pfx##5, sfx), PORT_10(fn, pfx##6, sfx),	\
  	PORT_10(fn, pfx##7, sfx), PORT_10(fn, pfx##8, sfx),	\
  	PORT_10(fn, pfx##9, sfx)
  
  #define _PORT_ALL(pfx, sfx) pfx##_##sfx
  #define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
  #define PORT_ALL(str)	CPU_ALL_PORT(_PORT_ALL, PORT, str)
  #define GPIO_PORT_ALL()	CPU_ALL_PORT(_GPIO_PORT, , unused)
  #define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)









bd8d0cbaa
 
 Kuninori Morimoto
 
ARM: mach-shmobil...




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  /* helper macro for pinmux_enum_t */
  #define PORT_DATA_I(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
  
  #define PORT_DATA_I_PD(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
  		    PORT##nr##_IN, PORT##nr##_IN_PD)
  
  #define PORT_DATA_I_PU(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
  		    PORT##nr##_IN, PORT##nr##_IN_PU)
  
  #define PORT_DATA_I_PU_PD(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,			\
  		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
  
  #define PORT_DATA_O(nr)		\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
  
  #define PORT_DATA_IO(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
  		    PORT##nr##_IN)
  
  #define PORT_DATA_IO_PD(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
  		    PORT##nr##_IN, PORT##nr##_IN_PD)
  
  #define PORT_DATA_IO_PU(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
  		    PORT##nr##_IN, PORT##nr##_IN_PU)
  
  #define PORT_DATA_IO_PU_PD(nr)	\
  	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
  		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)









9b49139b3
 
 Kuninori Morimoto
 
ARM: mach-shmobil...




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  /* helper macro for top 4 bits in PORTnCR */
  #define _PCRH(in, in_pd, in_pu, out)	\
  	0, (out), (in), 0,		\
  	0, 0, 0, 0,			\
  	0, 0, (in_pd), 0,		\
  	0, 0, (in_pu), 0
  
  #define PORTCR(nr, reg)							\
  	{								\
  		PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {		\
  			_PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,		\
  			      PORT##nr##_IN_PU, PORT##nr##_OUT),	\
  				PORT##nr##_FN0, PORT##nr##_FN1,		\
  				PORT##nr##_FN2, PORT##nr##_FN3,		\
  				PORT##nr##_FN4, PORT##nr##_FN5,		\
  				PORT##nr##_FN6, PORT##nr##_FN7 }	\
  	}









bd8d0cbaa
 
 Kuninori Morimoto
 
ARM: mach-shmobil...




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fae433991
 
 Magnus Damm
 
sh: Break out Sup...




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  #endif /* __SH_PFC_H */