[linux-2.6-block.git] / drivers / pcmcia / sa1111_jornada720.c

/*
 * drivers/pcmcia/sa1100_jornada720.c
 *
 * Jornada720 PCMCIA specific routines
 *
 */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/io.h>

#include <mach/hardware.h>
#include <asm/hardware/sa1111.h>
#include <asm/mach-types.h>

#include "sa1111_generic.h"

/* Does SOCKET1_3V actually do anything? */
#define SOCKET0_POWER	GPIO_GPIO0
#define SOCKET0_3V	GPIO_GPIO2
#define SOCKET1_POWER	(GPIO_GPIO1 | GPIO_GPIO3)
#define SOCKET1_3V	GPIO_GPIO3

static int
jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
{
	struct sa1111_pcmcia_socket *s = to_skt(skt);
	unsigned int pa_dwr_mask, pa_dwr_set;
	int ret;

	printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d\n", __func__,
		skt->nr, state->Vcc, state->Vpp);

	switch (skt->nr) {
	case 0:
		pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V;

		switch (state->Vcc) {
		default:
		case  0:
			pa_dwr_set = 0;
			break;
		case 33:
			pa_dwr_set = SOCKET0_POWER | SOCKET0_3V;
			break;
		case 50:
			pa_dwr_set = SOCKET0_POWER;
			break;
		}
		break;

	case 1:
		pa_dwr_mask = SOCKET1_POWER;

		switch (state->Vcc) {
		default:
		case 0:
			pa_dwr_set = 0;
			break;
		case 33:
			pa_dwr_set = SOCKET1_POWER;
			break;
		case 50:
			pa_dwr_set = SOCKET1_POWER;
			break;
		}
		break;

	default:
		return -1;
	}

	if (state->Vpp != state->Vcc && state->Vpp != 0) {
		printk(KERN_ERR "%s(): slot cannot support VPP %u\n",
			__func__, state->Vpp);
		return -EPERM;
	}

	ret = sa1111_pcmcia_configure_socket(skt, state);
	if (ret == 0)
		sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set);

	return ret;
}

static struct pcmcia_low_level jornada720_pcmcia_ops = {
	.owner			= THIS_MODULE,
	.configure_socket	= jornada720_pcmcia_configure_socket,
	.first			= 0,
	.nr			= 2,
};

int pcmcia_jornada720_init(struct sa1111_dev *sadev)
{
	int ret = -ENODEV;

	if (machine_is_jornada720()) {
		unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3;

		GRER |= 0x00000002;

		/* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
		sa1111_set_io_dir(sadev, pin, 0, 0);
		sa1111_set_io(sadev, pin, 0);
		sa1111_set_sleep_io(sadev, pin, 0);

		sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops);
		ret = sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops,
				sa11xx_drv_pcmcia_add_one);
	}

	return ret;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* drivers/pcmcia/sa1100_jornada720.c
	3	*
	4	* Jornada720 PCMCIA specific routines
	5	*
	6	*/
	7	#include <linux/module.h>
	8	#include <linux/kernel.h>
1da177e4 LT	9	#include <linux/device.h>
	10	#include <linux/errno.h>
	11	#include <linux/init.h>
58409f9d	12	#include <linux/io.h>
1da177e4	13
a09e64fb	14	#include <mach/hardware.h>
1da177e4 LT	15	#include <asm/hardware/sa1111.h>
	16	#include <asm/mach-types.h>
	17
	18	#include "sa1111_generic.h"
	19
02e87d1a KE	20	/* Does SOCKET1_3V actually do anything? */
	21	#define SOCKET0_POWER GPIO_GPIO0
	22	#define SOCKET0_3V GPIO_GPIO2
	23	#define SOCKET1_POWER (GPIO_GPIO1 \| GPIO_GPIO3)
1da177e4 LT	24	#define SOCKET1_3V GPIO_GPIO3
1da177e4 LT	25
1da177e4 LT	26	static int
	27	jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket skt, const socket_state_t state)
	28	{
701a5dc0	29	struct sa1111_pcmcia_socket *s = to_skt(skt);
02e87d1a KE	30	unsigned int pa_dwr_mask, pa_dwr_set;
	31	int ret;
	32
	33	printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d\n", __func__,
	34	skt->nr, state->Vcc, state->Vpp);
	35
	36	switch (skt->nr) {
	37	case 0:
	38	pa_dwr_mask = SOCKET0_POWER \| SOCKET0_3V;
	39
	40	switch (state->Vcc) {
	41	default:
	42	case 0:
	43	pa_dwr_set = 0;
	44	break;
	45	case 33:
	46	pa_dwr_set = SOCKET0_POWER \| SOCKET0_3V;
	47	break;
	48	case 50:
	49	pa_dwr_set = SOCKET0_POWER;
	50	break;
	51	}
	52	break;
	53
	54	case 1:
	55	pa_dwr_mask = SOCKET1_POWER;
	56
	57	switch (state->Vcc) {
	58	default:
	59	case 0:
	60	pa_dwr_set = 0;
	61	break;
	62	case 33:
	63	pa_dwr_set = SOCKET1_POWER;
	64	break;
	65	case 50:
	66	pa_dwr_set = SOCKET1_POWER;
	67	break;
	68	}
	69	break;
	70
	71	default:
	72	return -1;
	73	}
	74
	75	if (state->Vpp != state->Vcc && state->Vpp != 0) {
	76	printk(KERN_ERR "%s(): slot cannot support VPP %u\n",
	77	__func__, state->Vpp);
	78	return -EPERM;
	79	}
	80
	81	ret = sa1111_pcmcia_configure_socket(skt, state);
e2adbecf	82	if (ret == 0)
701a5dc0	83	sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set);
02e87d1a KE	84
02e87d1a KE	85	return ret;
1da177e4 LT	86	}
	87
	88	static struct pcmcia_low_level jornada720_pcmcia_ops = {
02e87d1a	89	.owner = THIS_MODULE,
02e87d1a	90	.configure_socket = jornada720_pcmcia_configure_socket,
701a5dc0 RKAL	91	.first = 0,
701a5dc0 RKAL	92	.nr = 2,
1da177e4 LT	93	};
1da177e4 LT	94
4bc9ef29	95	int pcmcia_jornada720_init(struct sa1111_dev *sadev)
1da177e4 LT	96	{
	97	int ret = -ENODEV;
	98
701a5dc0	99	if (machine_is_jornada720()) {
dabd1468 RKAL	100	unsigned int pin = GPIO_A0 \| GPIO_A1 \| GPIO_A2 \| GPIO_A3;
	101
	102	GRER \|= 0x00000002;
	103
	104	/* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
58409f9d AB	105	sa1111_set_io_dir(sadev, pin, 0, 0);
	106	sa1111_set_io(sadev, pin, 0);
	107	sa1111_set_sleep_io(sadev, pin, 0);
dabd1468	108
701a5dc0	109	sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops);
58409f9d	110	ret = sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops,
701a5dc0 RKAL	111	sa11xx_drv_pcmcia_add_one);
701a5dc0 RKAL	112	}
1da177e4 LT	113
	114	return ret;
	115	}