drivers/pcmcia/vrc4173_cardu.c


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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */$! TRSA.COM  --  Tests rsa keys
$
$	__arch = "VAX"
$	if f$getsyi("cpu") .ge. 128 then -
	   __arch = f$edit( f$getsyi( "ARCH_NAME"), "UPCASE")
$	if __arch .eqs. "" then __arch = "UNK"
$!
$	if (p2 .eqs. "64") then __arch = __arch+ "_64"
$!
$	exe_dir = "sys$disk:[-.''__arch'.exe.apps]"
$
$	set noon
$	define/user sys$output nla0:
$	mcr 'exe_dir'openssl no-rsa
$	save_severity=$SEVERITY
$	set on
$	if save_severity
$	then
$	    write sys$output "skipping RSA conversion test"
$	    exit
$	endif
$
$	cmd = "mcr ''exe_dir'openssl rsa"
$
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$	if p1 .nes. "" then t = p1
$
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$!	'cmd' -in f.t -inform t -outform d -out ff.d2
$!	if $severity .ne. 1 then exit 3
$	write sys$output "p -> d"
$	'cmd' -in f.p -inform p -outform d -out ff.d3
$	if $severity .ne. 1 then exit 3
$
$!	write sys$output "d -> t"
$!	'cmd' -in f.d -inform d -outform t -out ff.t1
$!	if $severity .ne. 1 then exit 3
$!	write sys$output "t -> t"
$!	'cmd' -in f.t -inform t -outform t -out ff.t2
$!	if $severity .ne. 1 then exit 3
$!	write sys$output "p -> t"
$!	'cmd' -in f.p -inform p -outform t -out ff.t3
$!	if $severity .ne. 1 then exit 3
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$	write sys$output "d -> p"
$	'cmd' -in f.d -inform d -outform p -out ff.p1
$	if $severity .ne. 1 then exit 3
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$	write sys$output "p -> p"
$	'cmd' -in f.p -inform p -outform p -out ff.p3
$	if $severity .ne. 1 then exit 3
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$	backup/compare fff.p f.p
$	if $severity .ne. 1 then exit 3
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$	if $severity .ne. 1 then exit 3
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$!	if $severity .ne. 1 then exit 3
$	backup/compare fff.p ff.p3
$	if $severity .ne. 1 then exit 3
$
$!	backup/compare f.t ff.t1
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$!	backup/compare f.t ff.t3
$!	if $severity .ne. 1 then exit 3
$
$	backup/compare f.p ff.p1
$	if $severity .ne. 1 then exit 3
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$!	if $severity .ne. 1 then exit 3
$	backup/compare f.p ff.p3
$	if $severity .ne. 1 then exit 3
$
$	delete f.*;*,ff.*;*,fff.*;*
/*
 * FILE NAME
 *	drivers/pcmcia/vrc4173_cardu.c
 *
 * BRIEF MODULE DESCRIPTION
 * 	NEC VRC4173 CARDU driver for Socket Services
 *	(This device doesn't support CardBus. it is supporting only 16bit PC Card.)
 *
 * Copyright 2002,2003 Yoichi Yuasa <yuasa@linux-mips.org>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
#include <linux/init.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/types.h>

#include <asm/io.h>

#include <pcmcia/ss.h>

#include "vrc4173_cardu.h"

MODULE_DESCRIPTION("NEC VRC4173 CARDU driver for Socket Services");
MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>");
MODULE_LICENSE("GPL");

static int vrc4173_cardu_slots;

static vrc4173_socket_t cardu_sockets[CARDU_MAX_SOCKETS];

extern struct socket_info_t *pcmcia_register_socket (int slot,
                                                     struct pccard_operations *vtable,
                                                     int use_bus_pm);
extern void pcmcia_unregister_socket(struct socket_info_t *s);

static inline uint8_t exca_readb(vrc4173_socket_t *socket, uint16_t offset)
{
	return readb(socket->base + EXCA_REGS_BASE + offset);
}

static inline uint16_t exca_readw(vrc4173_socket_t *socket, uint16_t offset)
{
	uint16_t val;

	val = readb(socket->base + EXCA_REGS_BASE + offset);
	val |= (u16)readb(socket->base + EXCA_REGS_BASE + offset + 1) << 8;

	return val;
}

static inline void exca_writeb(vrc4173_socket_t *socket, uint16_t offset, uint8_t val)
{
	writeb(val, socket->base + EXCA_REGS_BASE + offset);
}

static inline void exca_writew(vrc4173_socket_t *socket, uint8_t offset, uint16_t val)
{
	writeb((u8)val, socket->base + EXCA_REGS_BASE + offset);
	writeb((u8)(val >> 8), socket->base + EXCA_REGS_BASE + offset + 1);
}

static inline uint32_t cardbus_socket_readl(vrc4173_socket_t *socket, u16 offset)
{
	return readl(socket->base + CARDBUS_SOCKET_REGS_BASE + offset);
}

static inline void cardbus_socket_writel(vrc4173_socket_t *socket, u16 offset, uint32_t val)
{
	writel(val, socket->base + CARDBUS_SOCKET_REGS_BASE + offset);
}

static void cardu_pciregs_init(struct pci_dev *dev)
{
	u32 syscnt;
	u16 brgcnt;
	u8 devcnt;

	pci_write_config_dword(dev, 0x1c, 0x10000000);
	pci_write_config_dword(dev, 0x20, 0x17fff000);
	pci_write_config_dword(dev, 0x2c, 0);
	pci_write_config_dword(dev, 0x30, 0xfffc);

	pci_read_config_word(dev, BRGCNT, &brgcnt);
	brgcnt &= ~IREQ_INT;
	pci_write_config_word(dev, BRGCNT, brgcnt);

	pci_read_config_dword(dev, SYSCNT, &syscnt);
	syscnt &= ~(BAD_VCC_REQ_DISB|PCPCI_EN|CH_ASSIGN_MASK|SUB_ID_WR_EN|PCI_CLK_RIN);
	syscnt |= (CH_ASSIGN_NODMA|ASYN_INT_MODE);
	pci_write_config_dword(dev, SYSCNT, syscnt);

	pci_read_config_byte(dev, DEVCNT, &devcnt);
	devcnt &= ~(ZOOM_VIDEO_EN|SR_PCI_INT_SEL_MASK|PCI_INT_MODE|IRQ_MODE);
	devcnt |= (SR_PCI_INT_SEL_NONE|IFG);
	pci_write_config_byte(dev, DEVCNT, devcnt);

	pci_write_config_byte(dev, CHIPCNT, S_PREF_DISB);

	pci_write_config_byte(dev, SERRDIS, 0);
}

static int cardu_init(unsigned int slot)
{
	vrc4173_socket_t *socket = &cardu_sockets[slot];

	cardu_pciregs_init(socket->dev);

	/* CARD_SC bits are cleared by reading CARD_SC. */
	exca_writeb(socket, GLO_CNT, 0);

	socket->cap.features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS;
	socket->cap.irq_mask = 0;
	socket->cap.map_size = 0x1000;
	socket->cap.pci_irq  = socket->dev->irq;
	socket->events = 0;
	spin_lock_init(socket->event_lock);

	/* Enable PC Card status interrupts */
	exca_writeb(socket, CARD_SCI, CARD_DT_EN|RDY_EN|BAT_WAR_EN|BAT_DEAD_EN);

	return 0;
}

static int cardu_register_callback(unsigned int sock,
                                           void (*handler)(void *, unsigned int),
                                           void * info)
{
	vrc4173_socket_t *socket = &cardu_sockets[sock];

	socket->handler = handler;
	socket->info = info;

	return 0;
}

static int cardu_inquire_socket(unsigned int sock, socket_cap_t *cap)
{
	vrc4173_socket_t *socket = &cardu_sockets[sock];

	*cap = socket->cap;

	return 0;
}

static int cardu_get_status(unsigned int sock, u_int *value)
{
	vrc4173_socket_t *socket = &cardu_sockets[sock];
	uint32_t state;
	uint8_t status;
	u_int val = 0;

	status = exca_readb(socket, IF_STATUS);
	if (status & CARD_PWR) val |= SS_POWERON;
	if (status & READY) val |= SS_READY;
	if (status & CARD_WP) val |= SS_WRPROT;
	if ((status & (CARD_DETECT1|CARD_DETECT2)) == (CARD_DETECT1|CARD_DETECT2))
		val |= SS_DETECT;
	if (exca_readb(socket, INT_GEN_CNT) & CARD_TYPE_IO) {
		if (status & STSCHG) val |= SS_STSCHG;
	} else {
		status &= BV_DETECT_MASK;
		if (status != BV_DETECT_GOOD) {
			if (status == BV_DETECT_WARN) val |= SS_BATWARN;
			else val |= SS_BATDEAD;
		}
	}

	state = cardbus_socket_readl(socket, SKT_PRE_STATE);
	if (state & VOL_3V_CARD_DT) val |= SS_3VCARD;
	if (state & VOL_XV_CARD_DT) val |= SS_XVCARD;
	if (state & CB_CARD_DT) val |= SS_CARDBUS;
	if (!(state &
	      (VOL_YV_CARD_DT|VOL_XV_CARD_DT|VOL_3V_CARD_DT|VOL_5V_CARD_DT|CCD20|CCD10)))
		val |= SS_PENDING;

	*value = val;

	return 0;
}

static inline uint8_t set_Vcc_value(u_char Vcc)
{
	switch (Vcc) {
	case 33:
		return VCC_3V;
	case 50:
		return VCC_5V;
	}

	return VCC_0V;
}

static inline