asm/hardware/scoop.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  *  Definitions for the SCOOP interface found on various Sharp PDAs
0004  *
0005  *  Copyright (c) 2004 Richard Purdie
0006  */
0007
0008 #define SCOOP_MCR  0x00
0009 #define SCOOP_CDR  0x04
0010 #define SCOOP_CSR  0x08
0011 #define SCOOP_CPR  0x0C
0012 #define SCOOP_CCR  0x10
0013 #define SCOOP_IRR  0x14
0014 #define SCOOP_IRM  0x14
0015 #define SCOOP_IMR  0x18
0016 #define SCOOP_ISR  0x1C
0017 #define SCOOP_GPCR 0x20
0018 #define SCOOP_GPWR 0x24
0019 #define SCOOP_GPRR 0x28
0020
0021 #define SCOOP_CPR_OUT   (1 << 7)
0022 #define SCOOP_CPR_SD_3V (1 << 2)
0023 #define SCOOP_CPR_CF_XV (1 << 1)
0024 #define SCOOP_CPR_CF_3V (1 << 0)
0025
0026 #define SCOOP_GPCR_PA22 (1 << 12)
0027 #define SCOOP_GPCR_PA21 (1 << 11)
0028 #define SCOOP_GPCR_PA20 (1 << 10)
0029 #define SCOOP_GPCR_PA19 (1 << 9)
0030 #define SCOOP_GPCR_PA18 (1 << 8)
0031 #define SCOOP_GPCR_PA17 (1 << 7)
0032 #define SCOOP_GPCR_PA16 (1 << 6)
0033 #define SCOOP_GPCR_PA15 (1 << 5)
0034 #define SCOOP_GPCR_PA14 (1 << 4)
0035 #define SCOOP_GPCR_PA13 (1 << 3)
0036 #define SCOOP_GPCR_PA12 (1 << 2)
0037 #define SCOOP_GPCR_PA11 (1 << 1)
0038
0039 struct scoop_config {
0040     unsigned short io_out;
0041     unsigned short io_dir;
0042     unsigned short suspend_clr;
0043     unsigned short suspend_set;
0044     int gpio_base;
0045 };
0046
0047 /* Structure for linking scoop devices to PCMCIA sockets */
0048 struct scoop_pcmcia_dev {
0049     struct device *dev;     /* Pointer to this socket's scoop device */
0050     int irq;                /* irq for socket */
0051     int cd_irq;
0052     const char *cd_irq_str;
0053     unsigned char keep_vs;
0054     unsigned char keep_rd;
0055 };
0056
0057 struct scoop_pcmcia_config {
0058     struct scoop_pcmcia_dev *devs;
0059     int num_devs;
0060     void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
0061 };
0062
0063 extern struct scoop_pcmcia_config *platform_scoop_config;
0064
0065 void reset_scoop(struct device *dev);
0066 unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
0067 void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);