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https://github.com/edk2-porting/linux-next.git
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983536e7b5
Add bit definitions of the CPR register of the SCOOP chip into scoop.h. Also, cleanup the GPCR definitions to match coding style. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
73 lines
2.0 KiB
C
73 lines
2.0 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_CPR_OUT (1 << 7)
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#define SCOOP_CPR_SD_3V (1 << 2)
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#define SCOOP_CPR_CF_XV (1 << 1)
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#define SCOOP_CPR_CF_3V (1 << 0)
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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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int gpio_base;
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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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struct scoop_pcmcia_config {
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struct scoop_pcmcia_dev *devs;
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int num_devs;
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void (*pcmcia_init)(void);
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void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
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};
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extern struct scoop_pcmcia_config *platform_scoop_config;
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void reset_scoop(struct device *dev);
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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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