arch/arm/include/asm/hardware/scoop.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  Definitions for the SCOOP interface found on various Sharp PDAs
   4  *
   5  *  Copyright (c) 2004 Richard Purdie
   6  */
   7
   8 #define SCOOP_MCR  0x00
   9 #define SCOOP_CDR  0x04
  10 #define SCOOP_CSR  0x08
  11 #define SCOOP_CPR  0x0C
  12 #define SCOOP_CCR  0x10
  13 #define SCOOP_IRR  0x14
  14 #define SCOOP_IRM  0x14
  15 #define SCOOP_IMR  0x18
  16 #define SCOOP_ISR  0x1C
  17 #define SCOOP_GPCR 0x20
  18 #define SCOOP_GPWR 0x24
  19 #define SCOOP_GPRR 0x28
  20
  21 #define SCOOP_CPR_OUT   (1 << 7)
  22 #define SCOOP_CPR_SD_3V (1 << 2)
  23 #define SCOOP_CPR_CF_XV (1 << 1)
  24 #define SCOOP_CPR_CF_3V (1 << 0)
  25
  26 #define SCOOP_GPCR_PA22 (1 << 12)
  27 #define SCOOP_GPCR_PA21 (1 << 11)
  28 #define SCOOP_GPCR_PA20 (1 << 10)
  29 #define SCOOP_GPCR_PA19 (1 << 9)
  30 #define SCOOP_GPCR_PA18 (1 << 8)
  31 #define SCOOP_GPCR_PA17 (1 << 7)
  32 #define SCOOP_GPCR_PA16 (1 << 6)
  33 #define SCOOP_GPCR_PA15 (1 << 5)
  34 #define SCOOP_GPCR_PA14 (1 << 4)
  35 #define SCOOP_GPCR_PA13 (1 << 3)
  36 #define SCOOP_GPCR_PA12 (1 << 2)
  37 #define SCOOP_GPCR_PA11 (1 << 1)
  38
  39 struct scoop_config {
  40         unsigned short io_out;
  41         unsigned short io_dir;
  42         unsigned short suspend_clr;
  43         unsigned short suspend_set;
  44         int gpio_base;
  45 };
  46
  47 /* Structure for linking scoop devices to PCMCIA sockets */
  48 struct scoop_pcmcia_dev {
  49         struct device *dev;     /* Pointer to this socket's scoop device */
  50         int     irq;                /* irq for socket */
  51         int cd_irq;
  52         const char *cd_irq_str;
  53         unsigned char keep_vs;
  54         unsigned char keep_rd;
  55 };
  56
  57 struct scoop_pcmcia_config {
  58         struct scoop_pcmcia_dev *devs;
  59         int num_devs;
  60         void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
  61 };
  62
  63 extern struct scoop_pcmcia_config *platform_scoop_config;
  64
  65 void reset_scoop(struct device *dev);
  66 unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
  67 void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);