1 /*
2  * linux/arch/arm/mach-omap1/board-ams-delta.c
3  *
4  * Modified from board-generic.c
5  *
6  * Board specific inits for the Amstrad E3 (codename Delta) videophone
7  *
8  * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/input.h>
18 #include <linux/platform_device.h>
19 
20 #include <mach/hardware.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/map.h>
24 
25 #include <mach/board-ams-delta.h>
26 #include <mach/gpio.h>
27 #include <mach/keypad.h>
28 #include <mach/mux.h>
29 #include <mach/usb.h>
30 #include <mach/board.h>
31 #include <mach/common.h>
32 
33 static u8 ams_delta_latch1_reg;
34 static u16 ams_delta_latch2_reg;
35 
36 static int ams_delta_keymap[] = {
37 	KEY(0, 0, KEY_F1),		/* Advert    */
38 
39 	KEY(3, 0, KEY_COFFEE),		/* Games     */
40 	KEY(2, 0, KEY_QUESTION),	/* Directory */
41 	KEY(3, 2, KEY_CONNECT),		/* Internet  */
42 	KEY(2, 1, KEY_SHOP),		/* Services  */
43 	KEY(1, 1, KEY_PHONE),		/* VoiceMail */
44 
45 	KEY(1, 0, KEY_DELETE),		/* Delete    */
46 	KEY(2, 2, KEY_PLAY),		/* Play      */
47 	KEY(0, 1, KEY_PAGEUP),		/* Up        */
48 	KEY(3, 1, KEY_PAGEDOWN),	/* Down      */
49 	KEY(0, 2, KEY_EMAIL),		/* ReadEmail */
50 	KEY(1, 2, KEY_STOP),		/* Stop      */
51 
52 	/* Numeric keypad portion */
53 	KEY(7, 0, KEY_KP1),
54 	KEY(6, 0, KEY_KP2),
55 	KEY(5, 0, KEY_KP3),
56 	KEY(7, 1, KEY_KP4),
57 	KEY(6, 1, KEY_KP5),
58 	KEY(5, 1, KEY_KP6),
59 	KEY(7, 2, KEY_KP7),
60 	KEY(6, 2, KEY_KP8),
61 	KEY(5, 2, KEY_KP9),
62 	KEY(6, 3, KEY_KP0),
63 	KEY(7, 3, KEY_KPASTERISK),
64 	KEY(5, 3, KEY_KPDOT),		/* # key     */
65 	KEY(2, 7, KEY_NUMLOCK),		/* Mute      */
66 	KEY(1, 7, KEY_KPMINUS),		/* Recall    */
67 	KEY(1, 6, KEY_KPPLUS),		/* Redial    */
68 	KEY(6, 7, KEY_KPSLASH),		/* Handsfree */
69 	KEY(0, 6, KEY_ENTER),		/* Video     */
70 
71 	KEY(4, 7, KEY_CAMERA),		/* Photo     */
72 
73 	KEY(4, 0, KEY_F2),		/* Home      */
74 	KEY(4, 1, KEY_F3),		/* Office    */
75 	KEY(4, 2, KEY_F4),		/* Mobile    */
76 	KEY(7, 7, KEY_F5),		/* SMS       */
77 	KEY(5, 7, KEY_F6),		/* Email     */
78 
79 	/* QWERTY portion of keypad */
80 	KEY(4, 3, KEY_Q),
81 	KEY(3, 3, KEY_W),
82 	KEY(2, 3, KEY_E),
83 	KEY(1, 3, KEY_R),
84 	KEY(0, 3, KEY_T),
85 	KEY(7, 4, KEY_Y),
86 	KEY(6, 4, KEY_U),
87 	KEY(5, 4, KEY_I),
88 	KEY(4, 4, KEY_O),
89 	KEY(3, 4, KEY_P),
90 
91 	KEY(2, 4, KEY_A),
92 	KEY(1, 4, KEY_S),
93 	KEY(0, 4, KEY_D),
94 	KEY(7, 5, KEY_F),
95 	KEY(6, 5, KEY_G),
96 	KEY(5, 5, KEY_H),
97 	KEY(4, 5, KEY_J),
98 	KEY(3, 5, KEY_K),
99 	KEY(2, 5, KEY_L),
100 
101 	KEY(1, 5, KEY_Z),
102 	KEY(0, 5, KEY_X),
103 	KEY(7, 6, KEY_C),
104 	KEY(6, 6, KEY_V),
105 	KEY(5, 6, KEY_B),
106 	KEY(4, 6, KEY_N),
107 	KEY(3, 6, KEY_M),
108 	KEY(2, 6, KEY_SPACE),
109 
110 	KEY(0, 7, KEY_LEFTSHIFT),	/* Vol up    */
111 	KEY(3, 7, KEY_LEFTCTRL),	/* Vol down  */
112 
113 	0
114 };
115 
116 void ams_delta_latch1_write(u8 mask, u8 value)
117 {
118 	ams_delta_latch1_reg &= ~mask;
119 	ams_delta_latch1_reg |= value;
120 	*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
121 }
122 
123 void ams_delta_latch2_write(u16 mask, u16 value)
124 {
125 	ams_delta_latch2_reg &= ~mask;
126 	ams_delta_latch2_reg |= value;
127 	*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
128 }
129 
130 static void __init ams_delta_init_irq(void)
131 {
132 	omap1_init_common_hw();
133 	omap_init_irq();
134 	omap_gpio_init();
135 }
136 
137 static struct map_desc ams_delta_io_desc[] __initdata = {
138 	/* AMS_DELTA_LATCH1 */
139 	{
140 		.virtual	= AMS_DELTA_LATCH1_VIRT,
141 		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
142 		.length		= 0x01000000,
143 		.type		= MT_DEVICE
144 	},
145 	/* AMS_DELTA_LATCH2 */
146 	{
147 		.virtual	= AMS_DELTA_LATCH2_VIRT,
148 		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
149 		.length		= 0x01000000,
150 		.type		= MT_DEVICE
151 	},
152 	/* AMS_DELTA_MODEM */
153 	{
154 		.virtual	= AMS_DELTA_MODEM_VIRT,
155 		.pfn		= __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
156 		.length		= 0x01000000,
157 		.type		= MT_DEVICE
158 	}
159 };
160 
161 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
162 	.ctrl_name	= "internal",
163 };
164 
165 static struct omap_uart_config ams_delta_uart_config __initdata = {
166 	.enabled_uarts = 1,
167 };
168 
169 static struct omap_usb_config ams_delta_usb_config __initdata = {
170 	.register_host	= 1,
171 	.hmc_mode	= 16,
172 	.pins[0]	= 2,
173 };
174 
175 static struct omap_board_config_kernel ams_delta_config[] = {
176 	{ OMAP_TAG_LCD,		&ams_delta_lcd_config },
177 	{ OMAP_TAG_UART,	&ams_delta_uart_config },
178 };
179 
180 static struct resource ams_delta_kp_resources[] = {
181 	[0] = {
182 		.start	= INT_KEYBOARD,
183 		.end	= INT_KEYBOARD,
184 		.flags	= IORESOURCE_IRQ,
185 	},
186 };
187 
188 static struct omap_kp_platform_data ams_delta_kp_data = {
189 	.rows		= 8,
190 	.cols		= 8,
191 	.keymap 	= ams_delta_keymap,
192 	.keymapsize	= ARRAY_SIZE(ams_delta_keymap),
193 	.delay		= 9,
194 };
195 
196 static struct platform_device ams_delta_kp_device = {
197 	.name		= "omap-keypad",
198 	.id		= -1,
199 	.dev		= {
200 		.platform_data = &ams_delta_kp_data,
201 	},
202 	.num_resources	= ARRAY_SIZE(ams_delta_kp_resources),
203 	.resource	= ams_delta_kp_resources,
204 };
205 
206 static struct platform_device ams_delta_lcd_device = {
207 	.name	= "lcd_ams_delta",
208 	.id	= -1,
209 };
210 
211 static struct platform_device ams_delta_led_device = {
212 	.name	= "ams-delta-led",
213 	.id	= -1
214 };
215 
216 static struct platform_device *ams_delta_devices[] __initdata = {
217 	&ams_delta_kp_device,
218 	&ams_delta_lcd_device,
219 	&ams_delta_led_device,
220 };
221 
222 static void __init ams_delta_init(void)
223 {
224 	iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
225 
226 	omap_board_config = ams_delta_config;
227 	omap_board_config_size = ARRAY_SIZE(ams_delta_config);
228 	omap_serial_init();
229 	omap_register_i2c_bus(1, 100, NULL, 0);
230 
231 	/* Clear latch2 (NAND, LCD, modem enable) */
232 	ams_delta_latch2_write(~0, 0);
233 
234 	omap_usb_init(&ams_delta_usb_config);
235 	platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
236 }
237 
238 static void __init ams_delta_map_io(void)
239 {
240 	omap1_map_common_io();
241 }
242 
243 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
244 	/* Maintainer: Jonathan McDowell <noodles@earth.li> */
245 	.phys_io	= 0xfff00000,
246 	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
247 	.boot_params	= 0x10000100,
248 	.map_io		= ams_delta_map_io,
249 	.init_irq	= ams_delta_init_irq,
250 	.init_machine	= ams_delta_init,
251 	.timer		= &omap_timer,
252 MACHINE_END
253 
254 EXPORT_SYMBOL(ams_delta_latch1_write);
255 EXPORT_SYMBOL(ams_delta_latch2_write);
256