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ricoh.h

/*
 * ricoh.h 1.16 2002/08/13 15:17:14
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License
 * at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and
 * limitations under the License. 
 *
 * The initial developer of the original code is David A. Hinds
 * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 *
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License version 2 (the "GPL"), in
 * which case the provisions of the GPL are applicable instead of the
 * above.  If you wish to allow the use of your version of this file
 * only under the terms of the GPL and not to allow others to use
 * your version of this file under the MPL, indicate your decision by
 * deleting the provisions above and replace them with the notice and
 * other provisions required by the GPL.  If you do not delete the
 * provisions above, a recipient may use your version of this file
 * under either the MPL or the GPL.
 */

#ifndef _LINUX_RICOH_H
#define _LINUX_RICOH_H

#define RF5C_MODE_CTL         0x1f  /* Mode control */
#define RF5C_PWR_CTL          0x2f  /* Mixed voltage control */
#define RF5C_CHIP_ID          0x3a  /* Chip identification */
#define RF5C_MODE_CTL_3       0x3b  /* Mode control 3 */

/* I/O window address offset */
#define RF5C_IO_OFF(w)        (0x36+((w)<<1))

/* Flags for RF5C_MODE_CTL */
#define RF5C_MODE_ATA         0x01  /* ATA mode */
#define RF5C_MODE_LED_ENA     0x02  /* IRQ 12 is LED */
#define RF5C_MODE_CA21        0x04
#define RF5C_MODE_CA22        0x08
#define RF5C_MODE_CA23        0x10
#define RF5C_MODE_CA24        0x20
#define RF5C_MODE_CA25        0x40
#define RF5C_MODE_3STATE_BIT7 0x80

/* Flags for RF5C_PWR_CTL */
#define RF5C_PWR_VCC_3V       0x01
#define RF5C_PWR_IREQ_HIGH    0x02
#define RF5C_PWR_INPACK_ENA   0x04
#define RF5C_PWR_5V_DET       0x08
#define RF5C_PWR_TC_SEL       0x10  /* Terminal Count: irq 11 or 15 */
#define RF5C_PWR_DREQ_LOW     0x20
#define RF5C_PWR_DREQ_OFF     0x00  /* DREQ steering control */
#define RF5C_PWR_DREQ_INPACK  0x40
#define RF5C_PWR_DREQ_SPKR    0x80
#define RF5C_PWR_DREQ_IOIS16  0xc0

/* Values for RF5C_CHIP_ID */
#define RF5C_CHIP_RF5C296     0x32
#define RF5C_CHIP_RF5C396     0xb2

/* Flags for RF5C_MODE_CTL_3 */
#define RF5C_MCTL3_DISABLE    0x01  /* Disable PCMCIA interface */
#define RF5C_MCTL3_DMA_ENA    0x02

/* Register definitions for Ricoh PCI-to-CardBus bridges */

#ifndef PCI_VENDOR_ID_RICOH
#define PCI_VENDOR_ID_RICOH         0x1180
#endif
#ifndef PCI_DEVICE_ID_RICOH_RL5C465
#define PCI_DEVICE_ID_RICOH_RL5C465 0x0465
#endif
#ifndef PCI_DEVICE_ID_RICOH_RL5C466
#define PCI_DEVICE_ID_RICOH_RL5C466 0x0466
#endif
#ifndef PCI_DEVICE_ID_RICOH_RL5C475
#define PCI_DEVICE_ID_RICOH_RL5C475 0x0475
#endif
#ifndef PCI_DEVICE_ID_RICOH_RL5C476
#define PCI_DEVICE_ID_RICOH_RL5C476 0x0476
#endif
#ifndef PCI_DEVICE_ID_RICOH_RL5C477
#define PCI_DEVICE_ID_RICOH_RL5C477 0x0477
#endif
#ifndef PCI_DEVICE_ID_RICOH_RL5C478
#define PCI_DEVICE_ID_RICOH_RL5C478 0x0478
#endif

/* Extra bits in CB_BRIDGE_CONTROL */
#define RL5C46X_BCR_3E0_ENA         0x0800
#define RL5C46X_BCR_3E2_ENA         0x1000

/* Bridge Configuration Register */
#define RL5C4XX_CONFIG              0x80  /* 16 bit */
#define  RL5C4XX_CONFIG_IO_1_MODE   0x0200
#define  RL5C4XX_CONFIG_IO_0_MODE   0x0100
#define  RL5C4XX_CONFIG_PREFETCH    0x0001

/* Misc Control Register */
#define RL5C4XX_MISC                0x82  /* 16 bit */
#define  RL5C4XX_MISC_HW_SUSPEND_ENA      0x0002
#define  RL5C4XX_MISC_VCCEN_POL           0x0100
#define  RL5C4XX_MISC_VPPEN_POL           0x0200
#define  RL5C46X_MISC_SUSPEND       0x0001
#define  RL5C46X_MISC_PWR_SAVE_2    0x0004
#define  RL5C46X_MISC_IFACE_BUSY    0x0008
#define  RL5C46X_MISC_B_LOCK        0x0010
#define  RL5C46X_MISC_A_LOCK        0x0020
#define  RL5C46X_MISC_PCI_LOCK            0x0040
#define  RL5C47X_MISC_IFACE_BUSY    0x0004
#define  RL5C47X_MISC_PCI_INT_MASK  0x0018
#define  RL5C47X_MISC_PCI_INT_DIS   0x0020
#define  RL5C47X_MISC_SUBSYS_WR           0x0040
#define  RL5C47X_MISC_SRIRQ_ENA           0x0080
#define  RL5C47X_MISC_5V_DISABLE    0x0400
#define  RL5C47X_MISC_LED_POL       0x0800

/* 16-bit Interface Control Register */
#define RL5C4XX_16BIT_CTL           0x84  /* 16 bit */
#define  RL5C4XX_16CTL_IO_TIMING    0x0100
#define  RL5C4XX_16CTL_MEM_TIMING   0x0200
#define  RL5C46X_16CTL_LEVEL_1            0x0010
#define  RL5C46X_16CTL_LEVEL_2            0x0020

/* 16-bit IO and memory timing registers */
#define RL5C4XX_16BIT_IO_0          0x88  /* 16 bit */
#define RL5C4XX_16BIT_MEM_0         0x8a  /* 16 bit */
#define  RL5C4XX_SETUP_MASK         0x0007
#define  RL5C4XX_SETUP_SHIFT        0
#define  RL5C4XX_CMD_MASK           0x01f0
#define  RL5C4XX_CMD_SHIFT          4
#define  RL5C4XX_HOLD_MASK          0x1c00
#define  RL5C4XX_HOLD_SHIFT         10

/* Data structure for tracking vendor-specific state */
typedef struct ricoh_state_t {
    u_short       config;           /* RL5C4XX_CONFIG */
    u_short       misc;       /* RL5C4XX_MISC */
    u_short       ctl;        /* RL5C4XX_16BIT_CTL */
    u_short       io;         /* RL5C4XX_16BIT_IO_0 */
    u_short       mem;        /* RL5C4XX_16BIT_MEM_0 */
} ricoh_state_t;

#define RICOH_PCIC_ID \
    IS_RL5C465, IS_RL5C466, IS_RL5C475, IS_RL5C476, IS_RL5C477, IS_RL5C478

#define RICOH_PCIC_INFO \
    { "Ricoh RL5C465", IS_RICOH|IS_CARDBUS, ID(RICOH, RL5C465) }, \
    { "Ricoh RL5C466", IS_RICOH|IS_CARDBUS, ID(RICOH, RL5C466) }, \
    { "Ricoh RL5C475", IS_RICOH|IS_CARDBUS, ID(RICOH, RL5C475) }, \
    { "Ricoh RL5C476", IS_RICOH|IS_CARDBUS, ID(RICOH, RL5C476) }, \
    { "Ricoh RL5C477", IS_RICOH|IS_CARDBUS, ID(RICOH, RL5C477) }, \
    { "Ricoh RL5C478", IS_RICOH|IS_CARDBUS, ID(RICOH, RL5C478) }

#endif /* _LINUX_RICOH_H */

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