2 * drivers/pcmcia/sa1100_simpad.c
4 * PCMCIA implementation routines for simpad
7 #include <linux/module.h>
8 #include <linux/kernel.h>
9 #include <linux/device.h>
10 #include <linux/init.h>
12 #include <mach/hardware.h>
13 #include <asm/mach-types.h>
15 #include <mach/simpad.h>
16 #include "sa1100_generic.h"
18 static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
21 simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
23 skt->stat[SOC_STAT_CD].gpio = GPIO_CF_CD;
24 skt->stat[SOC_STAT_CD].name = "CF_CD";
25 skt->stat[SOC_STAT_RDY].gpio = GPIO_CF_IRQ;
26 skt->stat[SOC_STAT_RDY].name = "CF_RDY";
31 static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
34 /*simpad_set_cs3_bit(PCMCIA_BUFF_DIS);*/
35 simpad_clear_cs3_bit(PCMCIA_RESET);
39 simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
40 struct pcmcia_state *state)
42 long cs3reg = simpad_get_cs3_ro();
44 /* the detect signal is inverted - fix that up here */
45 state->detect = !state->detect;
47 state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */
48 state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */
50 if ((cs3reg & (PCMCIA_VS1|PCMCIA_VS2)) ==
51 (PCMCIA_VS1|PCMCIA_VS2)) {
61 simpad_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
62 const socket_state_t *state)
66 local_irq_save(flags);
68 /* Murphy: see table of MIC2562a-1 */
71 simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
75 simpad_clear_cs3_bit(VCC_3V_EN|EN1);
76 simpad_set_cs3_bit(VCC_5V_EN|EN0);
80 simpad_clear_cs3_bit(VCC_5V_EN|EN1);
81 simpad_set_cs3_bit(VCC_3V_EN|EN0);
85 printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
86 __func__, state->Vcc);
87 simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
88 local_irq_restore(flags);
93 local_irq_restore(flags);
98 static void simpad_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
100 simpad_set_cs3_bit(PCMCIA_RESET);
103 static struct pcmcia_low_level simpad_pcmcia_ops = {
104 .owner = THIS_MODULE,
105 .hw_init = simpad_pcmcia_hw_init,
106 .hw_shutdown = simpad_pcmcia_hw_shutdown,
107 .socket_state = simpad_pcmcia_socket_state,
108 .configure_socket = simpad_pcmcia_configure_socket,
109 .socket_suspend = simpad_pcmcia_socket_suspend,
112 int __devinit pcmcia_simpad_init(struct device *dev)
116 if (machine_is_simpad())
117 ret = sa11xx_drv_pcmcia_probe(dev, &simpad_pcmcia_ops, 1, 1);