Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * drivers/pcmcia/sa1100_cerf.c | |
3 | * | |
4 | * PCMCIA implementation routines for CerfBoard | |
5 | * Based off the Assabet. | |
6 | * | |
7 | */ | |
1da177e4 LT |
8 | #include <linux/module.h> |
9 | #include <linux/kernel.h> | |
1da177e4 LT |
10 | #include <linux/device.h> |
11 | #include <linux/init.h> | |
12 | #include <linux/delay.h> | |
13 | ||
a09e64fb | 14 | #include <mach/hardware.h> |
1da177e4 LT |
15 | #include <asm/mach-types.h> |
16 | #include <asm/irq.h> | |
a09e64fb | 17 | #include <mach/cerf.h> |
1da177e4 LT |
18 | #include "sa1100_generic.h" |
19 | ||
20 | #define CERF_SOCKET 1 | |
21 | ||
1da177e4 LT |
22 | static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt) |
23 | { | |
f793e3ab RK |
24 | skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD; |
25 | skt->stat[SOC_STAT_CD].name = "CF_CD"; | |
26 | skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1; | |
27 | skt->stat[SOC_STAT_BVD1].name = "CF_BVD1"; | |
28 | skt->stat[SOC_STAT_BVD2].gpio = CERF_GPIO_CF_BVD2; | |
29 | skt->stat[SOC_STAT_BVD2].name = "CF_BVD2"; | |
30 | skt->stat[SOC_STAT_RDY].gpio = CERF_GPIO_CF_IRQ; | |
31 | skt->stat[SOC_STAT_RDY].name = "CF_IRQ"; | |
1da177e4 | 32 | |
f793e3ab | 33 | return 0; |
1da177e4 LT |
34 | } |
35 | ||
36 | static void | |
37 | cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) | |
38 | { | |
1da177e4 LT |
39 | state->wrprot = 0; |
40 | state->vs_3v = 1; | |
41 | state->vs_Xv = 0; | |
42 | } | |
43 | ||
44 | static int | |
45 | cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, | |
46 | const socket_state_t *state) | |
47 | { | |
48 | switch (state->Vcc) { | |
49 | case 0: | |
50 | case 50: | |
51 | case 33: | |
52 | break; | |
53 | ||
54 | default: | |
55 | printk(KERN_ERR "%s(): unrecognized Vcc %u\n", | |
2e11cb4c | 56 | __func__, state->Vcc); |
1da177e4 LT |
57 | return -1; |
58 | } | |
59 | ||
60 | if (state->flags & SS_RESET) { | |
61 | GPSR = CERF_GPIO_CF_RESET; | |
62 | } else { | |
63 | GPCR = CERF_GPIO_CF_RESET; | |
64 | } | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
1da177e4 LT |
69 | static struct pcmcia_low_level cerf_pcmcia_ops = { |
70 | .owner = THIS_MODULE, | |
71 | .hw_init = cerf_pcmcia_hw_init, | |
1da177e4 LT |
72 | .socket_state = cerf_pcmcia_socket_state, |
73 | .configure_socket = cerf_pcmcia_configure_socket, | |
1da177e4 LT |
74 | }; |
75 | ||
5b85e04e | 76 | int __devinit pcmcia_cerf_init(struct device *dev) |
1da177e4 LT |
77 | { |
78 | int ret = -ENODEV; | |
79 | ||
80 | if (machine_is_cerf()) | |
81 | ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1); | |
82 | ||
83 | return ret; | |
84 | } |