diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/include/asm/hardware/scoop.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/scoop.h b/arch/arm/include/asm/hardware/scoop.h new file mode 100644 index 000000000..505453315 --- /dev/null +++ b/arch/arm/include/asm/hardware/scoop.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Definitions for the SCOOP interface found on various Sharp PDAs + * + * Copyright (c) 2004 Richard Purdie + */ + +#define SCOOP_MCR 0x00 +#define SCOOP_CDR 0x04 +#define SCOOP_CSR 0x08 +#define SCOOP_CPR 0x0C +#define SCOOP_CCR 0x10 +#define SCOOP_IRR 0x14 +#define SCOOP_IRM 0x14 +#define SCOOP_IMR 0x18 +#define SCOOP_ISR 0x1C +#define SCOOP_GPCR 0x20 +#define SCOOP_GPWR 0x24 +#define SCOOP_GPRR 0x28 + +#define SCOOP_CPR_OUT (1 << 7) +#define SCOOP_CPR_SD_3V (1 << 2) +#define SCOOP_CPR_CF_XV (1 << 1) +#define SCOOP_CPR_CF_3V (1 << 0) + +#define SCOOP_GPCR_PA22 (1 << 12) +#define SCOOP_GPCR_PA21 (1 << 11) +#define SCOOP_GPCR_PA20 (1 << 10) +#define SCOOP_GPCR_PA19 (1 << 9) +#define SCOOP_GPCR_PA18 (1 << 8) +#define SCOOP_GPCR_PA17 (1 << 7) +#define SCOOP_GPCR_PA16 (1 << 6) +#define SCOOP_GPCR_PA15 (1 << 5) +#define SCOOP_GPCR_PA14 (1 << 4) +#define SCOOP_GPCR_PA13 (1 << 3) +#define SCOOP_GPCR_PA12 (1 << 2) +#define SCOOP_GPCR_PA11 (1 << 1) + +struct scoop_config { + unsigned short io_out; + unsigned short io_dir; + unsigned short suspend_clr; + unsigned short suspend_set; + int gpio_base; +}; + +/* Structure for linking scoop devices to PCMCIA sockets */ +struct scoop_pcmcia_dev { + struct device *dev; /* Pointer to this socket's scoop device */ + int irq; /* irq for socket */ + int cd_irq; + const char *cd_irq_str; + unsigned char keep_vs; + unsigned char keep_rd; +}; + +struct scoop_pcmcia_config { + struct scoop_pcmcia_dev *devs; + int num_devs; + void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr); +}; + +extern struct scoop_pcmcia_config *platform_scoop_config; + +void reset_scoop(struct device *dev); +unsigned short read_scoop_reg(struct device *dev, unsigned short reg); +void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data); |