Commit | Line | Data |
---|---|---|
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> | |
58409f9d | 12 | #include <linux/io.h> |
1da177e4 | 13 | |
a09e64fb | 14 | #include <mach/hardware.h> |
1da177e4 LT |
15 | #include <asm/hardware/sa1111.h> |
16 | #include <asm/mach-types.h> | |
17 | ||
18 | #include "sa1111_generic.h" | |
19 | ||
02e87d1a KE |
20 | /* Does SOCKET1_3V actually do anything? */ |
21 | #define SOCKET0_POWER GPIO_GPIO0 | |
22 | #define SOCKET0_3V GPIO_GPIO2 | |
23 | #define SOCKET1_POWER (GPIO_GPIO1 | GPIO_GPIO3) | |
1da177e4 LT |
24 | #define SOCKET1_3V GPIO_GPIO3 |
25 | ||
1da177e4 LT |
26 | static int |
27 | jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) | |
28 | { | |
701a5dc0 | 29 | struct sa1111_pcmcia_socket *s = to_skt(skt); |
02e87d1a KE |
30 | unsigned int pa_dwr_mask, pa_dwr_set; |
31 | int ret; | |
32 | ||
33 | printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d\n", __func__, | |
34 | skt->nr, state->Vcc, state->Vpp); | |
35 | ||
36 | switch (skt->nr) { | |
37 | case 0: | |
38 | pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V; | |
39 | ||
40 | switch (state->Vcc) { | |
41 | default: | |
42 | case 0: | |
43 | pa_dwr_set = 0; | |
44 | break; | |
45 | case 33: | |
46 | pa_dwr_set = SOCKET0_POWER | SOCKET0_3V; | |
47 | break; | |
48 | case 50: | |
49 | pa_dwr_set = SOCKET0_POWER; | |
50 | break; | |
51 | } | |
52 | break; | |
53 | ||
54 | case 1: | |
55 | pa_dwr_mask = SOCKET1_POWER; | |
56 | ||
57 | switch (state->Vcc) { | |
58 | default: | |
59 | case 0: | |
60 | pa_dwr_set = 0; | |
61 | break; | |
62 | case 33: | |
63 | pa_dwr_set = SOCKET1_POWER; | |
64 | break; | |
65 | case 50: | |
66 | pa_dwr_set = SOCKET1_POWER; | |
67 | break; | |
68 | } | |
69 | break; | |
70 | ||
71 | default: | |
72 | return -1; | |
73 | } | |
74 | ||
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 -EPERM; | |
79 | } | |
80 | ||
81 | ret = sa1111_pcmcia_configure_socket(skt, state); | |
e2adbecf | 82 | if (ret == 0) |
701a5dc0 | 83 | sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set); |
02e87d1a KE |
84 | |
85 | return ret; | |
1da177e4 LT |
86 | } |
87 | ||
88 | static struct pcmcia_low_level jornada720_pcmcia_ops = { | |
02e87d1a | 89 | .owner = THIS_MODULE, |
02e87d1a | 90 | .configure_socket = jornada720_pcmcia_configure_socket, |
701a5dc0 RKAL |
91 | .first = 0, |
92 | .nr = 2, | |
1da177e4 LT |
93 | }; |
94 | ||
34cdf25a | 95 | int pcmcia_jornada720_init(struct device *dev) |
1da177e4 LT |
96 | { |
97 | int ret = -ENODEV; | |
58409f9d | 98 | struct sa1111_dev *sadev = SA1111_DEV(dev); |
1da177e4 | 99 | |
701a5dc0 | 100 | if (machine_is_jornada720()) { |
dabd1468 RKAL |
101 | unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3; |
102 | ||
103 | GRER |= 0x00000002; | |
104 | ||
105 | /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */ | |
58409f9d AB |
106 | sa1111_set_io_dir(sadev, pin, 0, 0); |
107 | sa1111_set_io(sadev, pin, 0); | |
108 | sa1111_set_sleep_io(sadev, pin, 0); | |
dabd1468 | 109 | |
701a5dc0 | 110 | sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops); |
58409f9d | 111 | ret = sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops, |
701a5dc0 RKAL |
112 | sa11xx_drv_pcmcia_add_one); |
113 | } | |
1da177e4 LT |
114 | |
115 | return ret; | |
116 | } |