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kernel/linux-imx6_3.14.28/drivers/input/serio/i8042-snirm.h 1.41 KB
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  #ifndef _I8042_SNIRM_H
  #define _I8042_SNIRM_H
  
  #include <asm/sni.h>
  
  /*
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published by
   * the Free Software Foundation.
   */
  
  /*
   * Names.
   */
  
  #define I8042_KBD_PHYS_DESC "onboard/serio0"
  #define I8042_AUX_PHYS_DESC "onboard/serio1"
  #define I8042_MUX_PHYS_DESC "onboard/serio%d"
  
  /*
   * IRQs.
   */
  static int i8042_kbd_irq;
  static int i8042_aux_irq;
  #define I8042_KBD_IRQ i8042_kbd_irq
  #define I8042_AUX_IRQ i8042_aux_irq
  
  static void __iomem *kbd_iobase;
  
  #define I8042_COMMAND_REG	(kbd_iobase + 0x64UL)
  #define I8042_DATA_REG		(kbd_iobase + 0x60UL)
  
  static inline int i8042_read_data(void)
  {
  	return readb(kbd_iobase + 0x60UL);
  }
  
  static inline int i8042_read_status(void)
  {
  	return readb(kbd_iobase + 0x64UL);
  }
  
  static inline void i8042_write_data(int val)
  {
  	writeb(val, kbd_iobase + 0x60UL);
  }
  
  static inline void i8042_write_command(int val)
  {
  	writeb(val, kbd_iobase + 0x64UL);
  }
  static inline int i8042_platform_init(void)
  {
  	/* RM200 is strange ... */
  	if (sni_brd_type == SNI_BRD_RM200) {
  		kbd_iobase = ioremap(0x16000000, 4);
  		i8042_kbd_irq = 33;
  		i8042_aux_irq = 44;
  	} else {
  		kbd_iobase = ioremap(0x14000000, 4);
  		i8042_kbd_irq = 1;
  		i8042_aux_irq = 12;
  	}
  	if (!kbd_iobase)
  		return -ENOMEM;
  
  	return 0;
  }
  
  static inline void i8042_platform_exit(void)
  {
  
  }
  
  #endif /* _I8042_SNIRM_H */