LXR linux/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
  39struct 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 */
  48struct 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
  57struct 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
  63extern struct scoop_pcmcia_config *platform_scoop_config;
  64
  65void reset_scoop(struct device *dev);
  66unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
  67void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);
  68