[deliverable/linux.git] / drivers / pcmcia / pxa2xx_sharpsl.c

/*
 * Sharp SL-C7xx Series PCMCIA routines
 *
 * Copyright (c) 2004-2005 Richard Purdie
 *
 * Based on Sharp's 2.4 kernel patches and pxa2xx_mainstone.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>

#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/hardware/scoop.h>
#ifdef CONFIG_SA1100_COLLIE
#include <asm/arch-sa1100/collie.h>
#else
#include <asm/arch-pxa/pxa-regs.h>
#endif

#include "soc_common.h"

#define	NO_KEEP_VS 0x0001

static void sharpsl_pcmcia_init_reset(struct scoop_pcmcia_dev *scoopdev)
{
	reset_scoop(scoopdev->dev);
	scoopdev->keep_vs = NO_KEEP_VS;
	scoopdev->keep_rd = 0;
}

static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
	int ret;

#ifndef CONFIG_SA1100_COLLIE
	/*
	 * Setup default state of GPIO outputs
	 * before we enable them as outputs.
	 */
	GPSR(GPIO48_nPOE) =
		GPIO_bit(GPIO48_nPOE) |
		GPIO_bit(GPIO49_nPWE) |
		GPIO_bit(GPIO50_nPIOR) |
		GPIO_bit(GPIO51_nPIOW) |
		GPIO_bit(GPIO52_nPCE_1) |
		GPIO_bit(GPIO53_nPCE_2);

	pxa_gpio_mode(GPIO48_nPOE_MD);
	pxa_gpio_mode(GPIO49_nPWE_MD);
	pxa_gpio_mode(GPIO50_nPIOR_MD);
	pxa_gpio_mode(GPIO51_nPIOW_MD);
	pxa_gpio_mode(GPIO52_nPCE_1_MD);
	pxa_gpio_mode(GPIO53_nPCE_2_MD);
	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
	pxa_gpio_mode(GPIO55_nPREG_MD);
	pxa_gpio_mode(GPIO56_nPWAIT_MD);
	pxa_gpio_mode(GPIO57_nIOIS16_MD);
#endif

	/* Register interrupts */
	if (scoop_devs[skt->nr].cd_irq >= 0) {
		struct pcmcia_irqs cd_irq;

		cd_irq.sock = skt->nr;
		cd_irq.irq  = scoop_devs[skt->nr].cd_irq;
		cd_irq.str  = scoop_devs[skt->nr].cd_irq_str;
		ret = soc_pcmcia_request_irqs(skt, &cd_irq, 1);

		if (ret) {
			printk(KERN_ERR "Request for Compact Flash IRQ failed\n");
			return ret;
		}
	}

	skt->irq = scoop_devs[skt->nr].irq;

	return 0;
}

static void sharpsl_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
	if (scoop_devs[skt->nr].cd_irq >= 0) {
		struct pcmcia_irqs cd_irq;

		cd_irq.sock = skt->nr;
		cd_irq.irq  = scoop_devs[skt->nr].cd_irq;
		cd_irq.str  = scoop_devs[skt->nr].cd_irq_str;
		soc_pcmcia_free_irqs(skt, &cd_irq, 1);
	}
}


static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
				    struct pcmcia_state *state)
{
	unsigned short cpr, csr;
	struct device *scoop = scoop_devs[skt->nr].dev;

	cpr = read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR);

	write_scoop_reg(scoop, SCOOP_IRM, 0x00FF);
	write_scoop_reg(scoop, SCOOP_ISR, 0x0000);
	write_scoop_reg(scoop, SCOOP_IRM, 0x0000);
	csr = read_scoop_reg(scoop, SCOOP_CSR);
	if (csr & 0x0004) {
		/* card eject */
		write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
		scoop_devs[skt->nr].keep_vs = NO_KEEP_VS;
	}
	else if (!(scoop_devs[skt->nr].keep_vs & NO_KEEP_VS)) {
		/* keep vs1,vs2 */
		write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
		csr |= scoop_devs[skt->nr].keep_vs;
	}
	else if (cpr & 0x0003) {
		/* power on */
		write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
		scoop_devs[skt->nr].keep_vs = (csr & 0x00C0);
	}
	else {
		/* card detect */
		write_scoop_reg(scoop, SCOOP_CDR, 0x0002);
	}

	state->detect = (csr & 0x0004) ? 0 : 1;
	state->ready  = (csr & 0x0002) ? 1 : 0;
	state->bvd1   = (csr & 0x0010) ? 1 : 0;
	state->bvd2   = (csr & 0x0020) ? 1 : 0;
	state->wrprot = (csr & 0x0008) ? 1 : 0;
	state->vs_3v  = (csr & 0x0040) ? 0 : 1;
	state->vs_Xv  = (csr & 0x0080) ? 0 : 1;

	if ((cpr & 0x0080) && ((cpr & 0x8040) != 0x8040)) {
		printk(KERN_ERR "sharpsl_pcmcia_socket_state(): CPR=%04X, Low voltage!\n", cpr);
	}

}


static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
				       const socket_state_t *state)
{
	unsigned long flags;
	struct device *scoop = scoop_devs[skt->nr].dev;

	unsigned short cpr, ncpr, ccr, nccr, mcr, nmcr, imr, nimr;

	switch (state->Vcc) {
	case	0:  	break;
	case 	33: 	break;
	case	50: 	break;
	default:
		 printk(KERN_ERR "sharpsl_pcmcia_configure_socket(): bad Vcc %u\n", state->Vcc);
		 return -1;
	}

	if ((state->Vpp!=state->Vcc) && (state->Vpp!=0)) {
		printk(KERN_ERR "CF slot cannot support Vpp %u\n", state->Vpp);
		return -1;
	}

	local_irq_save(flags);

	nmcr = (mcr = read_scoop_reg(scoop, SCOOP_MCR)) & ~0x0010;
	ncpr = (cpr = read_scoop_reg(scoop, SCOOP_CPR)) & ~0x0083;
	nccr = (ccr = read_scoop_reg(scoop, SCOOP_CCR)) & ~0x0080;
	nimr = (imr = read_scoop_reg(scoop, SCOOP_IMR)) & ~0x003E;

	ncpr |= (state->Vcc == 33) ? 0x0001 :
				(state->Vcc == 50) ? 0x0002 : 0;
	nmcr |= (state->flags&SS_IOCARD) ? 0x0010 : 0;
	ncpr |= (state->flags&SS_OUTPUT_ENA) ? 0x0080 : 0;
	nccr |= (state->flags&SS_RESET)? 0x0080: 0;
	nimr |=	((skt->status&SS_DETECT) ? 0x0004 : 0)|
			((skt->status&SS_READY)  ? 0x0002 : 0)|
			((skt->status&SS_BATDEAD)? 0x0010 : 0)|
			((skt->status&SS_BATWARN)? 0x0020 : 0)|
			((skt->status&SS_STSCHG) ? 0x0010 : 0)|
			((skt->status&SS_WRPROT) ? 0x0008 : 0);

	if (!(ncpr & 0x0003)) {
		scoop_devs[skt->nr].keep_rd = 0;
	} else if (!scoop_devs[skt->nr].keep_rd) {
		if (nccr & 0x0080)
			scoop_devs[skt->nr].keep_rd = 1;
		else
			nccr |= 0x0080;
	}

	if (mcr != nmcr)
		write_scoop_reg(scoop, SCOOP_MCR, nmcr);
	if (cpr != ncpr)
		write_scoop_reg(scoop, SCOOP_CPR, ncpr);
	if (ccr != nccr)
		write_scoop_reg(scoop, SCOOP_CCR, nccr);
	if (imr != nimr)
		write_scoop_reg(scoop, SCOOP_IMR, nimr);

	local_irq_restore(flags);

	return 0;
}

static void sharpsl_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
{
	sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]);

	/* Enable interrupt */
	write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_IMR, 0x00C0);
	write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_MCR, 0x0101);
	scoop_devs[skt->nr].keep_vs = NO_KEEP_VS;

	if (machine_is_collie())
		/* We need to disable SS_OUTPUT_ENA here. */
		write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR, read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR) & ~0x0080);
}

static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
{
	/* CF_BUS_OFF */
	sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]);

	if (machine_is_collie())
		/* We need to disable SS_OUTPUT_ENA here. */
		write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR, read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR) & ~0x0080);
}

static struct pcmcia_low_level sharpsl_pcmcia_ops = {
	.owner				= THIS_MODULE,
	.hw_init			= sharpsl_pcmcia_hw_init,
	.hw_shutdown		= sharpsl_pcmcia_hw_shutdown,
	.socket_state		= sharpsl_pcmcia_socket_state,
	.configure_socket	= sharpsl_pcmcia_configure_socket,
	.socket_init		= sharpsl_pcmcia_socket_init,
	.socket_suspend		= sharpsl_pcmcia_socket_suspend,
	.first				= 0,
	.nr					= 0,
};

static struct platform_device *sharpsl_pcmcia_device;

#ifdef CONFIG_SA1100_COLLIE
int __init pcmcia_collie_init(struct device *dev)
{
       int ret = -ENODEV;

       if (machine_is_collie())
               ret = sa11xx_drv_pcmcia_probe(dev, &sharpsl_pcmcia_ops, 0, 1);

       return ret;
}

#else

static int __init sharpsl_pcmcia_init(void)
{
	int ret;

	sharpsl_pcmcia_ops.nr=scoop_num;
	sharpsl_pcmcia_device = kmalloc(sizeof(*sharpsl_pcmcia_device), GFP_KERNEL);
	if (!sharpsl_pcmcia_device)
		return -ENOMEM;

	memset(sharpsl_pcmcia_device, 0, sizeof(*sharpsl_pcmcia_device));
	sharpsl_pcmcia_device->name = "pxa2xx-pcmcia";
	sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops;
	sharpsl_pcmcia_device->dev.parent=scoop_devs[0].dev;

	ret = platform_device_register(sharpsl_pcmcia_device);
	if (ret)
		kfree(sharpsl_pcmcia_device);

	return ret;
}

static void __exit sharpsl_pcmcia_exit(void)
{
	/*
	 * This call is supposed to free our sharpsl_pcmcia_device.
	 * Unfortunately platform_device don't have a free method, and
	 * we can't assume it's free of any reference at this point so we
	 * can't free it either.
	 */
	platform_device_unregister(sharpsl_pcmcia_device);
}

fs_initcall(sharpsl_pcmcia_init);
module_exit(sharpsl_pcmcia_exit);
#endif

MODULE_DESCRIPTION("Sharp SL Series PCMCIA Support");
MODULE_LICENSE("GPL");
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Sharp SL-C7xx Series PCMCIA routines
	3	*
	4	* Copyright (c) 2004-2005 Richard Purdie
	5	*
	6	* Based on Sharp's 2.4 kernel patches and pxa2xx_mainstone.c
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*
	12	*/
	13
	14	#include <linux/module.h>
	15	#include <linux/init.h>
	16	#include <linux/kernel.h>
	17	#include <linux/errno.h>
	18	#include <linux/interrupt.h>
d052d1be	19	#include <linux/platform_device.h>
1da177e4	20
77bb86a1	21	#include <asm/mach-types.h>
1da177e4 LT	22	#include <asm/hardware.h>
1da177e4 LT	23	#include <asm/irq.h>
1da177e4	24	#include <asm/hardware/scoop.h>
77bb86a1 PM	25	#ifdef CONFIG_SA1100_COLLIE
	26	#include <asm/arch-sa1100/collie.h>
	27	#else
	28	#include <asm/arch-pxa/pxa-regs.h>
	29	#endif
1da177e4 LT	30
	31	#include "soc_common.h"
	32
	33	#define NO_KEEP_VS 0x0001
	34
0ce7625f	35	static void sharpsl_pcmcia_init_reset(struct scoop_pcmcia_dev *scoopdev)
1da177e4	36	{
0ce7625f RP	37	reset_scoop(scoopdev->dev);
	38	scoopdev->keep_vs = NO_KEEP_VS;
	39	scoopdev->keep_rd = 0;
1da177e4 LT	40	}
	41
	42	static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
	43	{
	44	int ret;
	45
77bb86a1	46	#ifndef CONFIG_SA1100_COLLIE
1da177e4 LT	47	/*
	48	* Setup default state of GPIO outputs
	49	* before we enable them as outputs.
	50	*/
	51	GPSR(GPIO48_nPOE) =
	52	GPIO_bit(GPIO48_nPOE) \|
	53	GPIO_bit(GPIO49_nPWE) \|
	54	GPIO_bit(GPIO50_nPIOR) \|
	55	GPIO_bit(GPIO51_nPIOW) \|
	56	GPIO_bit(GPIO52_nPCE_1) \|
	57	GPIO_bit(GPIO53_nPCE_2);
	58
	59	pxa_gpio_mode(GPIO48_nPOE_MD);
	60	pxa_gpio_mode(GPIO49_nPWE_MD);
	61	pxa_gpio_mode(GPIO50_nPIOR_MD);
	62	pxa_gpio_mode(GPIO51_nPIOW_MD);
	63	pxa_gpio_mode(GPIO52_nPCE_1_MD);
	64	pxa_gpio_mode(GPIO53_nPCE_2_MD);
	65	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
	66	pxa_gpio_mode(GPIO55_nPREG_MD);
	67	pxa_gpio_mode(GPIO56_nPWAIT_MD);
	68	pxa_gpio_mode(GPIO57_nIOIS16_MD);
77bb86a1	69	#endif
1da177e4 LT	70
1da177e4 LT	71	/* Register interrupts */
0ce7625f RP	72	if (scoop_devs[skt->nr].cd_irq >= 0) {
	73	struct pcmcia_irqs cd_irq;
	74
	75	cd_irq.sock = skt->nr;
	76	cd_irq.irq = scoop_devs[skt->nr].cd_irq;
	77	cd_irq.str = scoop_devs[skt->nr].cd_irq_str;
	78	ret = soc_pcmcia_request_irqs(skt, &cd_irq, 1);
	79
	80	if (ret) {
	81	printk(KERN_ERR "Request for Compact Flash IRQ failed\n");
	82	return ret;
	83	}
1da177e4 LT	84	}
1da177e4 LT	85
0ce7625f	86	skt->irq = scoop_devs[skt->nr].irq;
1da177e4 LT	87
	88	return 0;
	89	}
	90
	91	static void sharpsl_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
	92	{
0ce7625f RP	93	if (scoop_devs[skt->nr].cd_irq >= 0) {
0ce7625f RP	94	struct pcmcia_irqs cd_irq;
1da177e4	95
0ce7625f RP	96	cd_irq.sock = skt->nr;
	97	cd_irq.irq = scoop_devs[skt->nr].cd_irq;
	98	cd_irq.str = scoop_devs[skt->nr].cd_irq_str;
	99	soc_pcmcia_free_irqs(skt, &cd_irq, 1);
	100	}
1da177e4 LT	101	}
	102
	103
	104	static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
	105	struct pcmcia_state *state)
	106	{
	107	unsigned short cpr, csr;
0ce7625f	108	struct device *scoop = scoop_devs[skt->nr].dev;
1da177e4	109
0ce7625f	110	cpr = read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR);
1da177e4	111
0ce7625f RP	112	write_scoop_reg(scoop, SCOOP_IRM, 0x00FF);
	113	write_scoop_reg(scoop, SCOOP_ISR, 0x0000);
	114	write_scoop_reg(scoop, SCOOP_IRM, 0x0000);
	115	csr = read_scoop_reg(scoop, SCOOP_CSR);
1da177e4 LT	116	if (csr & 0x0004) {
1da177e4 LT	117	/* card eject */
0ce7625f RP	118	write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
0ce7625f RP	119	scoop_devs[skt->nr].keep_vs = NO_KEEP_VS;
1da177e4	120	}
0ce7625f	121	else if (!(scoop_devs[skt->nr].keep_vs & NO_KEEP_VS)) {
1da177e4	122	/* keep vs1,vs2 */
0ce7625f RP	123	write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
0ce7625f RP	124	csr \|= scoop_devs[skt->nr].keep_vs;
1da177e4 LT	125	}
	126	else if (cpr & 0x0003) {
	127	/* power on */
0ce7625f RP	128	write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
0ce7625f RP	129	scoop_devs[skt->nr].keep_vs = (csr & 0x00C0);
1da177e4 LT	130	}
	131	else {
	132	/* card detect */
0ce7625f	133	write_scoop_reg(scoop, SCOOP_CDR, 0x0002);
1da177e4 LT	134	}
	135
	136	state->detect = (csr & 0x0004) ? 0 : 1;
	137	state->ready = (csr & 0x0002) ? 1 : 0;
	138	state->bvd1 = (csr & 0x0010) ? 1 : 0;
	139	state->bvd2 = (csr & 0x0020) ? 1 : 0;
	140	state->wrprot = (csr & 0x0008) ? 1 : 0;
	141	state->vs_3v = (csr & 0x0040) ? 0 : 1;
	142	state->vs_Xv = (csr & 0x0080) ? 0 : 1;
	143
	144	if ((cpr & 0x0080) && ((cpr & 0x8040) != 0x8040)) {
	145	printk(KERN_ERR "sharpsl_pcmcia_socket_state(): CPR=%04X, Low voltage!\n", cpr);
	146	}
	147
	148	}
	149
	150
	151	static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
	152	const socket_state_t *state)
	153	{
	154	unsigned long flags;
0ce7625f	155	struct device *scoop = scoop_devs[skt->nr].dev;
1da177e4 LT	156
	157	unsigned short cpr, ncpr, ccr, nccr, mcr, nmcr, imr, nimr;
	158
	159	switch (state->Vcc) {
	160	case 0: break;
	161	case 33: break;
	162	case 50: break;
	163	default:
	164	printk(KERN_ERR "sharpsl_pcmcia_configure_socket(): bad Vcc %u\n", state->Vcc);
	165	return -1;
	166	}
	167
	168	if ((state->Vpp!=state->Vcc) && (state->Vpp!=0)) {
	169	printk(KERN_ERR "CF slot cannot support Vpp %u\n", state->Vpp);
	170	return -1;
	171	}
	172
	173	local_irq_save(flags);
	174
0ce7625f RP	175	nmcr = (mcr = read_scoop_reg(scoop, SCOOP_MCR)) & ~0x0010;
	176	ncpr = (cpr = read_scoop_reg(scoop, SCOOP_CPR)) & ~0x0083;
	177	nccr = (ccr = read_scoop_reg(scoop, SCOOP_CCR)) & ~0x0080;
	178	nimr = (imr = read_scoop_reg(scoop, SCOOP_IMR)) & ~0x003E;
1da177e4 LT	179
	180	ncpr \|= (state->Vcc == 33) ? 0x0001 :
	181	(state->Vcc == 50) ? 0x0002 : 0;
	182	nmcr \|= (state->flags&SS_IOCARD) ? 0x0010 : 0;
	183	ncpr \|= (state->flags&SS_OUTPUT_ENA) ? 0x0080 : 0;
	184	nccr \|= (state->flags&SS_RESET)? 0x0080: 0;
	185	nimr \|= ((skt->status&SS_DETECT) ? 0x0004 : 0)\|
	186	((skt->status&SS_READY) ? 0x0002 : 0)\|
	187	((skt->status&SS_BATDEAD)? 0x0010 : 0)\|
	188	((skt->status&SS_BATWARN)? 0x0020 : 0)\|
	189	((skt->status&SS_STSCHG) ? 0x0010 : 0)\|
	190	((skt->status&SS_WRPROT) ? 0x0008 : 0);
	191
	192	if (!(ncpr & 0x0003)) {
0ce7625f RP	193	scoop_devs[skt->nr].keep_rd = 0;
0ce7625f RP	194	} else if (!scoop_devs[skt->nr].keep_rd) {
1da177e4	195	if (nccr & 0x0080)
0ce7625f	196	scoop_devs[skt->nr].keep_rd = 1;
1da177e4 LT	197	else
	198	nccr \|= 0x0080;
	199	}
	200
	201	if (mcr != nmcr)
0ce7625f	202	write_scoop_reg(scoop, SCOOP_MCR, nmcr);
1da177e4	203	if (cpr != ncpr)
0ce7625f	204	write_scoop_reg(scoop, SCOOP_CPR, ncpr);
1da177e4	205	if (ccr != nccr)
0ce7625f	206	write_scoop_reg(scoop, SCOOP_CCR, nccr);
1da177e4	207	if (imr != nimr)
0ce7625f	208	write_scoop_reg(scoop, SCOOP_IMR, nimr);
1da177e4 LT	209
	210	local_irq_restore(flags);
	211
	212	return 0;
	213	}
	214
	215	static void sharpsl_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
	216	{
0ce7625f RP	217	sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]);
	218
	219	/* Enable interrupt */
	220	write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_IMR, 0x00C0);
	221	write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_MCR, 0x0101);
	222	scoop_devs[skt->nr].keep_vs = NO_KEEP_VS;
77bb86a1 PM	223
	224	if (machine_is_collie())
	225	/* We need to disable SS_OUTPUT_ENA here. */
	226	write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR, read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR) & ~0x0080);
1da177e4 LT	227	}
	228
	229	static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
	230	{
0ce7625f RP	231	/* CF_BUS_OFF */
0ce7625f RP	232	sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]);
77bb86a1 PM	233
	234	if (machine_is_collie())
	235	/* We need to disable SS_OUTPUT_ENA here. */
	236	write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR, read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR) & ~0x0080);
1da177e4 LT	237	}
	238
	239	static struct pcmcia_low_level sharpsl_pcmcia_ops = {
	240	.owner = THIS_MODULE,
	241	.hw_init = sharpsl_pcmcia_hw_init,
	242	.hw_shutdown = sharpsl_pcmcia_hw_shutdown,
	243	.socket_state = sharpsl_pcmcia_socket_state,
	244	.configure_socket = sharpsl_pcmcia_configure_socket,
	245	.socket_init = sharpsl_pcmcia_socket_init,
	246	.socket_suspend = sharpsl_pcmcia_socket_suspend,
	247	.first = 0,
0ce7625f	248	.nr = 0,
1da177e4 LT	249	};
	250
	251	static struct platform_device *sharpsl_pcmcia_device;
	252
77bb86a1 PM	253	#ifdef CONFIG_SA1100_COLLIE
	254	int __init pcmcia_collie_init(struct device *dev)
	255	{
	256	int ret = -ENODEV;
	257
	258	if (machine_is_collie())
	259	ret = sa11xx_drv_pcmcia_probe(dev, &sharpsl_pcmcia_ops, 0, 1);
	260
	261	return ret;
	262	}
	263
	264	#else
	265
1da177e4 LT	266	static int __init sharpsl_pcmcia_init(void)
	267	{
	268	int ret;
	269
0ce7625f	270	sharpsl_pcmcia_ops.nr=scoop_num;
1da177e4 LT	271	sharpsl_pcmcia_device = kmalloc(sizeof(*sharpsl_pcmcia_device), GFP_KERNEL);
	272	if (!sharpsl_pcmcia_device)
	273	return -ENOMEM;
0ce7625f	274
1da177e4 LT	275	memset(sharpsl_pcmcia_device, 0, sizeof(*sharpsl_pcmcia_device));
	276	sharpsl_pcmcia_device->name = "pxa2xx-pcmcia";
	277	sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops;
0ce7625f	278	sharpsl_pcmcia_device->dev.parent=scoop_devs[0].dev;
1da177e4 LT	279
	280	ret = platform_device_register(sharpsl_pcmcia_device);
	281	if (ret)
	282	kfree(sharpsl_pcmcia_device);
	283
	284	return ret;
	285	}
	286
	287	static void __exit sharpsl_pcmcia_exit(void)
	288	{
	289	/*
	290	* This call is supposed to free our sharpsl_pcmcia_device.
	291	* Unfortunately platform_device don't have a free method, and
	292	* we can't assume it's free of any reference at this point so we
	293	* can't free it either.
	294	*/
	295	platform_device_unregister(sharpsl_pcmcia_device);
	296	}
	297
f36598ae	298	fs_initcall(sharpsl_pcmcia_init);
1da177e4	299	module_exit(sharpsl_pcmcia_exit);
77bb86a1	300	#endif
1da177e4 LT	301
	302	MODULE_DESCRIPTION("Sharp SL Series PCMCIA Support");
	303	MODULE_LICENSE("GPL");