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/*

 * ricoh.h 1.9 1999/10/25 20:03:34

 *

 * 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 */

/* 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                    0x0082  /* 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               0x0084  /* 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              0x0088  /* 16 bit */

#define RL5C4XX_16BIT_MEM_0             0x0088  /* 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

#define  RL5C4XX_MISC_CONTROL           0x2F /* 8 bit */

#define  RL5C4XX_ZV_ENABLE              0x08

#ifdef __YENTA_H

#define rl_misc(socket)         ((socket)->private[0])

#define rl_ctl(socket)          ((socket)->private[1])

#define rl_io(socket)           ((socket)->private[2])

#define rl_mem(socket)          ((socket)->private[3])

#define rl_config(socket)       ((socket)->private[4])

/*

 * Magic Ricoh initialization code.. Save state at

 * beginning, re-initialize it after suspend.

 */

static int ricoh_open(pci_socket_t *socket)

{

        rl_misc(socket) = config_readw(socket, RL5C4XX_MISC);

        rl_ctl(socket) = config_readw(socket, RL5C4XX_16BIT_CTL);

        rl_io(socket) = config_readw(socket, RL5C4XX_16BIT_IO_0);

        rl_mem(socket) = config_readw(socket, RL5C4XX_16BIT_MEM_0);

        rl_config(socket) = config_readw(socket, RL5C4XX_CONFIG);

        /* Set the default timings, don't trust the original values */

        rl_ctl(socket) = RL5C4XX_16CTL_IO_TIMING | RL5C4XX_16CTL_MEM_TIMING;

        if(socket->dev->device < PCI_DEVICE_ID_RICOH_RL5C475) {

                rl_ctl(socket) |= RL5C46X_16CTL_LEVEL_1 | RL5C46X_16CTL_LEVEL_2;

        } else {

                rl_config(socket) |= RL5C4XX_CONFIG_PREFETCH;

        }

        return 0;

}

static void ricoh_zoom_video(pci_socket_t *socket, int onoff)

{

        u8 reg;

        reg = exca_readb(socket, RL5C4XX_MISC_CONTROL);

        if (onoff)

                /* Zoom zoom, we will all go together, zoom zoom, zoom zoom */

                reg |=  RL5C4XX_ZV_ENABLE;

        else

                reg &= ~RL5C4XX_ZV_ENABLE;

        exca_writeb(socket, RL5C4XX_MISC_CONTROL, reg);

}

static void ricoh_set_zv(pci_socket_t *socket)

{

        if(socket->dev->vendor == PCI_VENDOR_ID_RICOH)

        {

                switch(socket->dev->device)

                {

                        /* There may be more .. */

                case  PCI_DEVICE_ID_RICOH_RL5C478:

                        socket->zoom_video = ricoh_zoom_video;

                        break;

                }

        }

}

static int ricoh_init(pci_socket_t *socket)

{

        yenta_init(socket);

        ricoh_set_zv(socket);

        config_writew(socket, RL5C4XX_MISC, rl_misc(socket));

        config_writew(socket, RL5C4XX_16BIT_CTL, rl_ctl(socket));

        config_writew(socket, RL5C4XX_16BIT_IO_0, rl_io(socket));

        config_writew(socket, RL5C4XX_16BIT_MEM_0, rl_mem(socket));

        config_writew(socket, RL5C4XX_CONFIG, rl_config(socket));

        return 0;

}

static struct pci_socket_ops ricoh_ops = {

        ricoh_open,

        yenta_close,

        ricoh_init,

        yenta_suspend,

        yenta_get_status,

        yenta_get_socket,

        yenta_set_socket,

        yenta_get_io_map,

        yenta_set_io_map,

        yenta_get_mem_map,

        yenta_set_mem_map,

        yenta_proc_setup

};

#endif /* CONFIG_CARDBUS */

#endif /* _LINUX_RICOH_H */