Blackfin arch: add stubs for anomalies 447 and 448
[linux-2.6/mini2440.git] / drivers / pcmcia / sa1100_jornada720.c
blob57ca085473d511bb9fc125332b4eecdb5bdf138a
1 /*
2 * drivers/pcmcia/sa1100_jornada720.c
4 * Jornada720 PCMCIA specific routines
6 */
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 #define SOCKET0_POWER GPIO_GPIO0
20 #define SOCKET0_3V GPIO_GPIO2
21 #define SOCKET1_POWER (GPIO_GPIO1 | GPIO_GPIO3)
22 #warning *** Does SOCKET1_3V actually do anything?
23 #define SOCKET1_3V GPIO_GPIO3
25 static int jornada720_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
28 * What is all this crap for?
30 GRER |= 0x00000002;
31 /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
32 sa1111_set_io_dir(SA1111_DEV(skt->dev), GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0);
33 sa1111_set_io(SA1111_DEV(skt->dev), GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
34 sa1111_set_sleep_io(SA1111_DEV(skt->dev), GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
36 return sa1111_pcmcia_hw_init(skt);
39 static int
40 jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
42 unsigned int pa_dwr_mask, pa_dwr_set;
43 int ret;
45 printk("%s(): config socket %d vcc %d vpp %d\n", __func__,
46 skt->nr, state->Vcc, state->Vpp);
48 switch (skt->nr) {
49 case 0:
50 pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V;
52 switch (state->Vcc) {
53 default:
54 case 0: pa_dwr_set = 0; break;
55 case 33: pa_dwr_set = SOCKET0_POWER | SOCKET0_3V; break;
56 case 50: pa_dwr_set = SOCKET0_POWER; break;
58 break;
60 case 1:
61 pa_dwr_mask = SOCKET1_POWER;
63 switch (state->Vcc) {
64 default:
65 case 0: pa_dwr_set = 0; break;
66 case 33: pa_dwr_set = SOCKET1_POWER; break;
67 case 50: pa_dwr_set = SOCKET1_POWER; break;
69 break;
71 default:
72 return -1;
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 -1;
81 ret = sa1111_pcmcia_configure_socket(skt, state);
82 if (ret == 0) {
83 unsigned long flags;
85 local_irq_save(flags);
86 sa1111_set_io(SA1111_DEV(skt->dev), pa_dwr_mask, pa_dwr_set);
87 local_irq_restore(flags);
90 return ret;
93 static struct pcmcia_low_level jornada720_pcmcia_ops = {
94 .owner = THIS_MODULE,
95 .hw_init = jornada720_pcmcia_hw_init,
96 .hw_shutdown = sa1111_pcmcia_hw_shutdown,
97 .socket_state = sa1111_pcmcia_socket_state,
98 .configure_socket = jornada720_pcmcia_configure_socket,
100 .socket_init = sa1111_pcmcia_socket_init,
101 .socket_suspend = sa1111_pcmcia_socket_suspend,
104 int __devinit pcmcia_jornada720_init(struct device *dev)
106 int ret = -ENODEV;
108 if (machine_is_jornada720())
109 ret = sa11xx_drv_pcmcia_probe(dev, &jornada720_pcmcia_ops, 0, 2);
111 return ret;