Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * drivers/pcmcia/sa1100_jornada720.c | |
3 | * | |
4 | * Jornada720 PCMCIA specific routines | |
5 | * | |
6 | */ | |
7 | #include <linux/module.h> | |
8 | #include <linux/kernel.h> | |
1da177e4 LT |
9 | #include <linux/device.h> |
10 | #include <linux/errno.h> | |
11 | #include <linux/init.h> | |
12 | ||
a09e64fb | 13 | #include <mach/hardware.h> |
1da177e4 LT |
14 | #include <asm/hardware/sa1111.h> |
15 | #include <asm/mach-types.h> | |
16 | ||
17 | #include "sa1111_generic.h" | |
18 | ||
02e87d1a KE |
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) | |
1da177e4 LT |
23 | #define SOCKET1_3V GPIO_GPIO3 |
24 | ||
1da177e4 LT |
25 | static int |
26 | jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) | |
27 | { | |
701a5dc0 | 28 | struct sa1111_pcmcia_socket *s = to_skt(skt); |
02e87d1a KE |
29 | unsigned int pa_dwr_mask, pa_dwr_set; |
30 | int ret; | |
31 | ||
32 | printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d\n", __func__, | |
33 | skt->nr, state->Vcc, state->Vpp); | |
34 | ||
35 | switch (skt->nr) { | |
36 | case 0: | |
37 | pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V; | |
38 | ||
39 | switch (state->Vcc) { | |
40 | default: | |
41 | case 0: | |
42 | pa_dwr_set = 0; | |
43 | break; | |
44 | case 33: | |
45 | pa_dwr_set = SOCKET0_POWER | SOCKET0_3V; | |
46 | break; | |
47 | case 50: | |
48 | pa_dwr_set = SOCKET0_POWER; | |
49 | break; | |
50 | } | |
51 | break; | |
52 | ||
53 | case 1: | |
54 | pa_dwr_mask = SOCKET1_POWER; | |
55 | ||
56 | switch (state->Vcc) { | |
57 | default: | |
58 | case 0: | |
59 | pa_dwr_set = 0; | |
60 | break; | |
61 | case 33: | |
62 | pa_dwr_set = SOCKET1_POWER; | |
63 | break; | |
64 | case 50: | |
65 | pa_dwr_set = SOCKET1_POWER; | |
66 | break; | |
67 | } | |
68 | break; | |
69 | ||
70 | default: | |
71 | return -1; | |
72 | } | |
73 | ||
74 | if (state->Vpp != state->Vcc && state->Vpp != 0) { | |
75 | printk(KERN_ERR "%s(): slot cannot support VPP %u\n", | |
76 | __func__, state->Vpp); | |
77 | return -EPERM; | |
78 | } | |
79 | ||
80 | ret = sa1111_pcmcia_configure_socket(skt, state); | |
e2adbecf | 81 | if (ret == 0) |
701a5dc0 | 82 | sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set); |
02e87d1a KE |
83 | |
84 | return ret; | |
1da177e4 LT |
85 | } |
86 | ||
87 | static struct pcmcia_low_level jornada720_pcmcia_ops = { | |
02e87d1a | 88 | .owner = THIS_MODULE, |
02e87d1a | 89 | .configure_socket = jornada720_pcmcia_configure_socket, |
701a5dc0 RKAL |
90 | .first = 0, |
91 | .nr = 2, | |
1da177e4 LT |
92 | }; |
93 | ||
34cdf25a | 94 | int pcmcia_jornada720_init(struct device *dev) |
1da177e4 LT |
95 | { |
96 | int ret = -ENODEV; | |
97 | ||
701a5dc0 | 98 | if (machine_is_jornada720()) { |
dabd1468 RKAL |
99 | unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3; |
100 | ||
101 | GRER |= 0x00000002; | |
102 | ||
103 | /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */ | |
104 | sa1111_set_io_dir(dev, pin, 0, 0); | |
105 | sa1111_set_io(dev, pin, 0); | |
106 | sa1111_set_sleep_io(dev, pin, 0); | |
107 | ||
701a5dc0 RKAL |
108 | sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops); |
109 | ret = sa1111_pcmcia_add(dev, &jornada720_pcmcia_ops, | |
110 | sa11xx_drv_pcmcia_add_one); | |
111 | } | |
1da177e4 LT |
112 | |
113 | return ret; | |
114 | } |