cregit-Linux how code gets into the kernel

Release 4.7 drivers/pcmcia/ricoh.h

Directory: drivers/pcmcia
/*
 * 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		0x008a	
/* 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])




static void ricoh_zoom_video(struct pcmcia_socket *sock, int onoff)
{
        u8 reg;
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);

        reg = config_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;
	
        config_writeb(socket, RL5C4XX_MISC_CONTROL, reg);
}


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static void ricoh_set_zv(struct yenta_socket *socket)
{
        if(socket->dev->vendor == PCI_VENDOR_ID_RICOH)
        {
                switch(socket->dev->device)
                {
                        /* There may be more .. */
		case  PCI_DEVICE_ID_RICOH_RL5C478:
			socket->socket.zoom_video = ricoh_zoom_video;
			break;  
                }
        }
}


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static void ricoh_save_state(struct yenta_socket *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);
}


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static void ricoh_restore_state(struct yenta_socket *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));
}



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/*
 * Magic Ricoh initialization code..
 */



static int ricoh_override(struct yenta_socket *socket)
{
	u16 config, ctl;

	config = config_readw(socket, RL5C4XX_CONFIG);

	/* Set the default timings, don't trust the original values */
	ctl = RL5C4XX_16CTL_IO_TIMING | RL5C4XX_16CTL_MEM_TIMING;

	if(socket->dev->device < PCI_DEVICE_ID_RICOH_RL5C475) {
		ctl |= RL5C46X_16CTL_LEVEL_1 | RL5C46X_16CTL_LEVEL_2;
	} else {
		config |= RL5C4XX_CONFIG_PREFETCH;
	}

	config_writew(socket, RL5C4XX_16BIT_CTL, ctl);
	config_writew(socket, RL5C4XX_CONFIG, config);

	ricoh_set_zv(socket);

	return 0;
}


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#endif /* CONFIG_CARDBUS */

#endif /* _LINUX_RICOH_H */

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david hindsdavid hinds10.15%110.00%


andrew mortonandrew morton10.15%110.00%


Total677100.00%10100.00%

  
Directory: drivers/pcmcia



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