Initial import

1 files changed, 92 insertions, 0 deletions

diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c
new file mode 100644
index 000000000..b3774e5d0
--- /dev/null
+++ b/drivers/pcmcia/sa1100_cerf.c
@@ -0,0 +1,92 @@
+/*
+ * drivers/pcmcia/sa1100_cerf.c
+ *
+ * PCMCIA implementation routines for CerfBoard
+ * Based off the Assabet.
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <mach/cerf.h>
+#include "sa1100_generic.h"
+
+#define CERF_SOCKET	1
+
+static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+	int ret;
+
+	ret = gpio_request_one(CERF_GPIO_CF_RESET, GPIOF_OUT_INIT_LOW, "CF_RESET");
+	if (ret)
+		return ret;
+
+	skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD;
+	skt->stat[SOC_STAT_CD].name = "CF_CD";
+	skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1;
+	skt->stat[SOC_STAT_BVD1].name = "CF_BVD1";
+	skt->stat[SOC_STAT_BVD2].gpio = CERF_GPIO_CF_BVD2;
+	skt->stat[SOC_STAT_BVD2].name = "CF_BVD2";
+	skt->stat[SOC_STAT_RDY].gpio = CERF_GPIO_CF_IRQ;
+	skt->stat[SOC_STAT_RDY].name = "CF_IRQ";
+
+	return 0;
+}
+
+static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+	gpio_free(CERF_GPIO_CF_RESET);
+}
+
+static void
+cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
+{
+	state->vs_3v	= 1;
+	state->vs_Xv	= 0;
+}
+
+static int
+cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+			     const socket_state_t *state)
+{
+	switch (state->Vcc) {
+	case 0:
+	case 50:
+	case 33:
+		break;
+
+	default:
+		printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
+			__func__, state->Vcc);
+		return -1;
+	}
+
+	gpio_set_value(CERF_GPIO_CF_RESET, !!(state->flags & SS_RESET));
+
+	return 0;
+}
+
+static struct pcmcia_low_level cerf_pcmcia_ops = { 
+	.owner			= THIS_MODULE,
+	.hw_init		= cerf_pcmcia_hw_init,
+	.hw_shutdown		= cerf_pcmcia_hw_shutdown,
+	.socket_state		= cerf_pcmcia_socket_state,
+	.configure_socket	= cerf_pcmcia_configure_socket,
+};
+
+int pcmcia_cerf_init(struct device *dev)
+{
+	int ret = -ENODEV;
+
+	if (machine_is_cerf())
+		ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1);
+
+	return ret;
+}