2 * drivers/pcmcia/sa1100_jornada720.c
4 * Jornada720 PCMCIA specific routines
7 #include <linux/module.h>
8 #include <linux/kernel.h>
9 #include <linux/device.h>
10 #include <linux/errno.h>
11 #include <linux/init.h>
13 #include <mach/hardware.h>
14 #include <asm/hardware/sa1111.h>
15 #include <asm/mach-types.h>
17 #include "sa1111_generic.h"
19 /* Does SOCKET1_3V actually do anything? */
20 #define SOCKET0_POWER GPIO_GPIO0
21 #define SOCKET0_3V GPIO_GPIO2
22 #define SOCKET1_POWER (GPIO_GPIO1 | GPIO_GPIO3)
23 #define SOCKET1_3V GPIO_GPIO3
25 static int jornada720_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
27 unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3;
30 * What is all this crap for?
33 /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
34 sa1111_set_io_dir(SA1111_DEV(skt->dev), pin, 0, 0);
35 sa1111_set_io(SA1111_DEV(skt->dev), pin, 0);
36 sa1111_set_sleep_io(SA1111_DEV(skt->dev), pin, 0);
38 return sa1111_pcmcia_hw_init(skt);
42 jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
44 unsigned int pa_dwr_mask, pa_dwr_set;
47 printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d\n", __func__,
48 skt->nr, state->Vcc, state->Vpp);
52 pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V;
60 pa_dwr_set = SOCKET0_POWER | SOCKET0_3V;
63 pa_dwr_set = SOCKET0_POWER;
69 pa_dwr_mask = SOCKET1_POWER;
77 pa_dwr_set = SOCKET1_POWER;
80 pa_dwr_set = SOCKET1_POWER;
89 if (state->Vpp != state->Vcc && state->Vpp != 0) {
90 printk(KERN_ERR "%s(): slot cannot support VPP %u\n",
91 __func__, state->Vpp);
95 ret = sa1111_pcmcia_configure_socket(skt, state);
99 local_irq_save(flags);
100 sa1111_set_io(SA1111_DEV(skt->dev), pa_dwr_mask, pa_dwr_set);
101 local_irq_restore(flags);
107 static struct pcmcia_low_level jornada720_pcmcia_ops = {
108 .owner = THIS_MODULE,
109 .hw_init = jornada720_pcmcia_hw_init,
110 .hw_shutdown = sa1111_pcmcia_hw_shutdown,
111 .socket_state = sa1111_pcmcia_socket_state,
112 .configure_socket = jornada720_pcmcia_configure_socket,
114 .socket_init = sa1111_pcmcia_socket_init,
115 .socket_suspend = sa1111_pcmcia_socket_suspend,
118 int __devinit pcmcia_jornada720_init(struct device *dev)
122 if (machine_is_jornada720())
123 ret = sa11xx_drv_pcmcia_probe(dev, &jornada720_pcmcia_ops, 0, 2);