aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mvebu/netxbig.c
blob: 94b11b6585a4e924974379f6d8f561f3a78482f9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/*
 * arch/arm/mach-mvbu/board-netxbig.c
 *
 * LaCie 2Big and 5Big Network v2 board setup
 *
 * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/platform_data/leds-kirkwood-netxbig.h>
#include "common.h"

/*****************************************************************************
 * GPIO extension LEDs
 ****************************************************************************/

/*
 * The LEDs are controlled by a CPLD and can be configured through a GPIO
 * extension bus:
 *
 * - address register : bit [0-2] -> GPIO [47-49]
 * - data register    : bit [0-2] -> GPIO [44-46]
 * - enable register  : GPIO 29
 */

static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };

static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
	.addr		= netxbig_v2_gpio_ext_addr,
	.num_addr	= ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
	.data		= netxbig_v2_gpio_ext_data,
	.num_data	= ARRAY_SIZE(netxbig_v2_gpio_ext_data),
	.enable		= 29,
};

/*
 * Address register selection:
 *
 * addr | register
 * ----------------------------
 *   0  | front LED
 *   1  | front LED brightness
 *   2  | SATA LED brightness
 *   3  | SATA0 LED
 *   4  | SATA1 LED
 *   5  | SATA2 LED
 *   6  | SATA3 LED
 *   7  | SATA4 LED
 *
 * Data register configuration:
 *
 * data | LED brightness
 * -------------------------------------------------
 *   0  | min (off)
 *   -  | -
 *   7  | max
 *
 * data | front LED mode
 * -------------------------------------------------
 *   0  | fix off
 *   1  | fix blue on
 *   2  | fix red on
 *   3  | blink blue on=1 sec and blue off=1 sec
 *   4  | blink red on=1 sec and red off=1 sec
 *   5  | blink blue on=2.5 sec and red on=0.5 sec
 *   6  | blink blue on=1 sec and red on=1 sec
 *   7  | blink blue on=0.5 sec and blue off=2.5 sec
 *
 * data | SATA LED mode
 * -------------------------------------------------
 *   0  | fix off
 *   1  | SATA activity blink
 *   2  | fix red on
 *   3  | blink blue on=1 sec and blue off=1 sec
 *   4  | blink red on=1 sec and red off=1 sec
 *   5  | blink blue on=2.5 sec and red on=0.5 sec
 *   6  | blink blue on=1 sec and red on=1 sec
 *   7  | fix blue on
 */

static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
	[NETXBIG_LED_OFF]	= 0,
	[NETXBIG_LED_ON]	= 2,
	[NETXBIG_LED_SATA]	= NETXBIG_LED_INVALID_MODE,
	[NETXBIG_LED_TIMER1]	= 4,
	[NETXBIG_LED_TIMER2]	= NETXBIG_LED_INVALID_MODE,
};

static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
	[NETXBIG_LED_OFF]	= 0,
	[NETXBIG_LED_ON]	= 1,
	[NETXBIG_LED_SATA]	= NETXBIG_LED_INVALID_MODE,
	[NETXBIG_LED_TIMER1]	= 3,
	[NETXBIG_LED_TIMER2]	= 7,
};

static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
	[NETXBIG_LED_OFF]	= 0,
	[NETXBIG_LED_ON]	= 7,
	[NETXBIG_LED_SATA]	= 1,
	[NETXBIG_LED_TIMER1]	= 3,
	[NETXBIG_LED_TIMER2]	= NETXBIG_LED_INVALID_MODE,
};

static struct netxbig_led_timer netxbig_v2_led_timer[] = {
	[0] = {
		.delay_on	= 500,
		.delay_off	= 500,
		.mode		= NETXBIG_LED_TIMER1,
	},
	[1] = {
		.delay_on	= 500,
		.delay_off	= 1000,
		.mode		= NETXBIG_LED_TIMER2,
	},
};

#define NETXBIG_LED(_name, maddr, mval, baddr)			\
	{ .name		= _name,				\
	  .mode_addr	= maddr,				\
	  .mode_val	= mval,					\
	  .bright_addr	= baddr }

static struct netxbig_led net2big_v2_leds_ctrl[] = {
	NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),
	NETXBIG_LED("net2big-v2:red:power",  0, netxbig_v2_red_mled,       1),
	NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
	NETXBIG_LED("net2big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),
	NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
	NETXBIG_LED("net2big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),
};

static struct netxbig_led_platform_data net2big_v2_leds_data = {
	.gpio_ext	= &netxbig_v2_gpio_ext,
	.timer		= netxbig_v2_led_timer,
	.num_timer	= ARRAY_SIZE(netxbig_v2_led_timer),
	.leds		= net2big_v2_leds_ctrl,
	.num_leds	= ARRAY_SIZE(net2big_v2_leds_ctrl),
};

static struct netxbig_led net5big_v2_leds_ctrl[] = {
	NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),
	NETXBIG_LED("net5big-v2:red:power",  0, netxbig_v2_red_mled,       1),
	NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
	NETXBIG_LED("net5big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),
	NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
	NETXBIG_LED("net5big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),
	NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
	NETXBIG_LED("net5big-v2:red:sata2",  5, netxbig_v2_red_mled,       2),
	NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
	NETXBIG_LED("net5big-v2:red:sata3",  6, netxbig_v2_red_mled,       2),
	NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
	NETXBIG_LED("net5big-v2:red:sata4",  7, netxbig_v2_red_mled,       2),
};

static struct netxbig_led_platform_data net5big_v2_leds_data = {
	.gpio_ext	= &netxbig_v2_gpio_ext,
	.timer		= netxbig_v2_led_timer,
	.num_timer	= ARRAY_SIZE(netxbig_v2_led_timer),
	.leds		= net5big_v2_leds_ctrl,
	.num_leds	= ARRAY_SIZE(net5big_v2_leds_ctrl),
};

static struct platform_device netxbig_v2_leds = {
	.name		= "leds-netxbig",
	.id		= -1,
	.dev		= {
		.platform_data	= &net2big_v2_leds_data,
	},
};

void __init netxbig_init(void)
{

	if (of_machine_is_compatible("lacie,net5big_v2"))
		netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
	platform_device_register(&netxbig_v2_leds);
}