7c3989885c
Patch from Richard Purdie Allow the GPIO pin suspend states to be specified for SCOOP devices. This is needed for correct operation on the spitz platform. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* Definitions for the SCOOP interface found on various Sharp PDAs
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*
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* Copyright (c) 2004 Richard Purdie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#define SCOOP_MCR 0x00
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#define SCOOP_CDR 0x04
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#define SCOOP_CSR 0x08
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#define SCOOP_CPR 0x0C
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#define SCOOP_CCR 0x10
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#define SCOOP_IRR 0x14
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#define SCOOP_IRM 0x14
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#define SCOOP_IMR 0x18
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#define SCOOP_ISR 0x1C
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#define SCOOP_GPCR 0x20
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#define SCOOP_GPWR 0x24
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#define SCOOP_GPRR 0x28
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#define SCOOP_GPCR_PA22 ( 1 << 12 )
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#define SCOOP_GPCR_PA21 ( 1 << 11 )
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#define SCOOP_GPCR_PA20 ( 1 << 10 )
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#define SCOOP_GPCR_PA19 ( 1 << 9 )
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#define SCOOP_GPCR_PA18 ( 1 << 8 )
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#define SCOOP_GPCR_PA17 ( 1 << 7 )
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#define SCOOP_GPCR_PA16 ( 1 << 6 )
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#define SCOOP_GPCR_PA15 ( 1 << 5 )
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#define SCOOP_GPCR_PA14 ( 1 << 4 )
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#define SCOOP_GPCR_PA13 ( 1 << 3 )
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#define SCOOP_GPCR_PA12 ( 1 << 2 )
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#define SCOOP_GPCR_PA11 ( 1 << 1 )
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struct scoop_config {
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unsigned short io_out;
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unsigned short io_dir;
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unsigned short suspend_clr;
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unsigned short suspend_set;
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};
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/* Structure for linking scoop devices to PCMCIA sockets */
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struct scoop_pcmcia_dev {
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struct device *dev; /* Pointer to this socket's scoop device */
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int irq; /* irq for socket */
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int cd_irq;
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const char *cd_irq_str;
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unsigned char keep_vs;
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unsigned char keep_rd;
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};
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extern int scoop_num;
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extern struct scoop_pcmcia_dev *scoop_devs;
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void reset_scoop(struct device *dev);
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unsigned short set_scoop_gpio(struct device *dev, unsigned short bit);
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unsigned short reset_scoop_gpio(struct device *dev, unsigned short bit);
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unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
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void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);
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