2 * drivers/pcmcia/sa1100_yopy.c
4 * PCMCIA implementation routines for Yopy
7 #include <linux/module.h>
8 #include <linux/kernel.h>
9 #include <linux/sched.h>
10 #include <linux/device.h>
11 #include <linux/init.h>
13 #include <asm/hardware.h>
14 #include <asm/mach-types.h>
16 #include "sa1100_generic.h"
19 static inline void pcmcia_power(int on) {
20 /* high for power up */
21 yopy_gpio_set(GPIO_CF_POWER, on);
24 static inline void pcmcia_reset(int reset)
27 yopy_gpio_set(GPIO_CF_RESET, reset);
30 static struct pcmcia_irqs irqs[] = {
31 { 0, IRQ_CF_CD, "CF_CD" },
32 { 0, IRQ_CF_BVD2, "CF_BVD2" },
33 { 0, IRQ_CF_BVD1, "CF_BVD1" },
36 static int yopy_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
38 skt->irq = IRQ_CF_IREQ;
43 return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
46 static void yopy_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
48 soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
56 yopy_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
57 struct pcmcia_state_array *state)
59 unsigned long levels = GPLR;
61 state->detect = (levels & GPIO_CF_CD) ? 0 : 1;
62 state->ready = (levels & GPIO_CF_READY) ? 1 : 0;
63 state->bvd1 = (levels & GPIO_CF_BVD1) ? 1 : 0;
64 state->bvd2 = (levels & GPIO_CF_BVD2) ? 1 : 0;
65 state->wrprot = 0; /* Not available on Yopy. */
66 state->vs_3v = 0; /* FIXME Can only apply 3.3V on Yopy. */
71 yopy_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
72 const socket_state_t *state)
75 case 0: /* power off */
79 printk(KERN_WARNING "%s(): CS asked for 5V, applying 3.3V..\n", __FUNCTION__);
84 printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
85 __FUNCTION__, state->Vcc);
89 pcmcia_reset(state->flags & SS_RESET ? 1 : 0);
91 /* Silently ignore Vpp, output enable, speaker enable. */
96 static void yopy_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
98 soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
101 static void yopy_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
103 soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
106 static struct pcmcia_low_level yopy_pcmcia_ops = {
107 .owner = THIS_MODULE,
108 .init = yopy_pcmcia_init,
109 .shutdown = yopy_pcmcia_shutdown,
110 .socket_state = yopy_pcmcia_socket_state,
111 .configure_socket = yopy_pcmcia_configure_socket,
113 .socket_init = yopy_pcmcia_socket_init,
114 .socket_suspend = yopy_pcmcia_socket_suspend,
117 int __init pcmcia_yopy_init(struct device *dev)
121 if (machine_is_yopy())
122 ret = sa11xx_drv_pcmcia_probe(dev, &yopy_pcmcia_ops, 0, 1);