| /* |
| * Definitions for the SCOOP interface found on various Sharp PDAs |
| * |
| * Copyright (c) 2004 Richard Purdie |
| * |
| * 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. |
| * |
| */ |
| |
| #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_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; |
| }; |
| |
| void reset_scoop(struct device *dev); |
| unsigned short set_scoop_gpio(struct device *dev, unsigned short bit); |
| unsigned short reset_scoop_gpio(struct device *dev, unsigned short bit); |
| unsigned short read_scoop_reg(struct device *dev, unsigned short reg); |
| void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data); |