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/interrupt.h>
19 #include <linux/leds.h>
20 #include <linux/platform_device.h>
21 #include <linux/serial_8250.h>
22 
23 #include <media/soc_camera.h>
24 
25 #include <asm/serial.h>
26 #include <mach/hardware.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 
31 #include <plat/io.h>
32 #include <plat/board-ams-delta.h>
33 #include <mach/gpio.h>
34 #include <plat/keypad.h>
35 #include <plat/mux.h>
36 #include <plat/usb.h>
37 #include <plat/board.h>
38 #include <plat/common.h>
39 #include <mach/camera.h>
40 
41 #include <mach/ams-delta-fiq.h>
42 
43 static u8 ams_delta_latch1_reg;
44 static u16 ams_delta_latch2_reg;
45 
46 static const unsigned int ams_delta_keymap[] = {
47 	KEY(0, 0, KEY_F1),		/* Advert    */
48 
49 	KEY(0, 3, KEY_COFFEE),		/* Games     */
50 	KEY(0, 2, KEY_QUESTION),	/* Directory */
51 	KEY(2, 3, KEY_CONNECT),		/* Internet  */
52 	KEY(1, 2, KEY_SHOP),		/* Services  */
53 	KEY(1, 1, KEY_PHONE),		/* VoiceMail */
54 
55 	KEY(0, 1, KEY_DELETE),		/* Delete    */
56 	KEY(2, 2, KEY_PLAY),		/* Play      */
57 	KEY(1, 0, KEY_PAGEUP),		/* Up        */
58 	KEY(1, 3, KEY_PAGEDOWN),	/* Down      */
59 	KEY(2, 0, KEY_EMAIL),		/* ReadEmail */
60 	KEY(2, 1, KEY_STOP),		/* Stop      */
61 
62 	/* Numeric keypad portion */
63 	KEY(0, 7, KEY_KP1),
64 	KEY(0, 6, KEY_KP2),
65 	KEY(0, 5, KEY_KP3),
66 	KEY(1, 7, KEY_KP4),
67 	KEY(1, 6, KEY_KP5),
68 	KEY(1, 5, KEY_KP6),
69 	KEY(2, 7, KEY_KP7),
70 	KEY(2, 6, KEY_KP8),
71 	KEY(2, 5, KEY_KP9),
72 	KEY(3, 6, KEY_KP0),
73 	KEY(3, 7, KEY_KPASTERISK),
74 	KEY(3, 5, KEY_KPDOT),		/* # key     */
75 	KEY(7, 2, KEY_NUMLOCK),		/* Mute      */
76 	KEY(7, 1, KEY_KPMINUS),		/* Recall    */
77 	KEY(6, 1, KEY_KPPLUS),		/* Redial    */
78 	KEY(7, 6, KEY_KPSLASH),		/* Handsfree */
79 	KEY(6, 0, KEY_ENTER),		/* Video     */
80 
81 	KEY(7, 4, KEY_CAMERA),		/* Photo     */
82 
83 	KEY(0, 4, KEY_F2),		/* Home      */
84 	KEY(1, 4, KEY_F3),		/* Office    */
85 	KEY(2, 4, KEY_F4),		/* Mobile    */
86 	KEY(7, 7, KEY_F5),		/* SMS       */
87 	KEY(7, 5, KEY_F6),		/* Email     */
88 
89 	/* QWERTY portion of keypad */
90 	KEY(3, 4, KEY_Q),
91 	KEY(3, 3, KEY_W),
92 	KEY(3, 2, KEY_E),
93 	KEY(3, 1, KEY_R),
94 	KEY(3, 0, KEY_T),
95 	KEY(4, 7, KEY_Y),
96 	KEY(4, 6, KEY_U),
97 	KEY(4, 5, KEY_I),
98 	KEY(4, 4, KEY_O),
99 	KEY(4, 3, KEY_P),
100 
101 	KEY(4, 2, KEY_A),
102 	KEY(4, 1, KEY_S),
103 	KEY(4, 0, KEY_D),
104 	KEY(5, 7, KEY_F),
105 	KEY(5, 6, KEY_G),
106 	KEY(5, 5, KEY_H),
107 	KEY(5, 4, KEY_J),
108 	KEY(5, 3, KEY_K),
109 	KEY(5, 2, KEY_L),
110 
111 	KEY(5, 1, KEY_Z),
112 	KEY(5, 0, KEY_X),
113 	KEY(6, 7, KEY_C),
114 	KEY(6, 6, KEY_V),
115 	KEY(6, 5, KEY_B),
116 	KEY(6, 4, KEY_N),
117 	KEY(6, 3, KEY_M),
118 	KEY(6, 2, KEY_SPACE),
119 
120 	KEY(7, 0, KEY_LEFTSHIFT),	/* Vol up    */
121 	KEY(7, 3, KEY_LEFTCTRL),	/* Vol down  */
122 };
123 
124 void ams_delta_latch1_write(u8 mask, u8 value)
125 {
126 	ams_delta_latch1_reg &= ~mask;
127 	ams_delta_latch1_reg |= value;
128 	*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
129 }
130 
131 void ams_delta_latch2_write(u16 mask, u16 value)
132 {
133 	ams_delta_latch2_reg &= ~mask;
134 	ams_delta_latch2_reg |= value;
135 	*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
136 }
137 
138 static void __init ams_delta_init_irq(void)
139 {
140 	omap1_init_common_hw();
141 	omap_init_irq();
142 }
143 
144 static struct map_desc ams_delta_io_desc[] __initdata = {
145 	/* AMS_DELTA_LATCH1 */
146 	{
147 		.virtual	= AMS_DELTA_LATCH1_VIRT,
148 		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
149 		.length		= 0x01000000,
150 		.type		= MT_DEVICE
151 	},
152 	/* AMS_DELTA_LATCH2 */
153 	{
154 		.virtual	= AMS_DELTA_LATCH2_VIRT,
155 		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
156 		.length		= 0x01000000,
157 		.type		= MT_DEVICE
158 	},
159 	/* AMS_DELTA_MODEM */
160 	{
161 		.virtual	= AMS_DELTA_MODEM_VIRT,
162 		.pfn		= __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
163 		.length		= 0x01000000,
164 		.type		= MT_DEVICE
165 	}
166 };
167 
168 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
169 	.ctrl_name	= "internal",
170 };
171 
172 static struct omap_usb_config ams_delta_usb_config __initdata = {
173 	.register_host	= 1,
174 	.hmc_mode	= 16,
175 	.pins[0]	= 2,
176 };
177 
178 static struct omap_board_config_kernel ams_delta_config[] = {
179 	{ OMAP_TAG_LCD,		&ams_delta_lcd_config },
180 };
181 
182 static struct resource ams_delta_nand_resources[] = {
183 	[0] = {
184 		.start	= OMAP1_MPUIO_BASE,
185 		.end	= OMAP1_MPUIO_BASE +
186 				OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
187 		.flags	= IORESOURCE_MEM,
188 	},
189 };
190 
191 static struct platform_device ams_delta_nand_device = {
192 	.name	= "ams-delta-nand",
193 	.id	= -1,
194 	.num_resources	= ARRAY_SIZE(ams_delta_nand_resources),
195 	.resource	= ams_delta_nand_resources,
196 };
197 
198 static struct resource ams_delta_kp_resources[] = {
199 	[0] = {
200 		.start	= INT_KEYBOARD,
201 		.end	= INT_KEYBOARD,
202 		.flags	= IORESOURCE_IRQ,
203 	},
204 };
205 
206 static const struct matrix_keymap_data ams_delta_keymap_data = {
207 	.keymap		= ams_delta_keymap,
208 	.keymap_size	= ARRAY_SIZE(ams_delta_keymap),
209 };
210 
211 static struct omap_kp_platform_data ams_delta_kp_data = {
212 	.rows		= 8,
213 	.cols		= 8,
214 	.keymap_data	= &ams_delta_keymap_data,
215 	.delay		= 9,
216 };
217 
218 static struct platform_device ams_delta_kp_device = {
219 	.name		= "omap-keypad",
220 	.id		= -1,
221 	.dev		= {
222 		.platform_data = &ams_delta_kp_data,
223 	},
224 	.num_resources	= ARRAY_SIZE(ams_delta_kp_resources),
225 	.resource	= ams_delta_kp_resources,
226 };
227 
228 static struct platform_device ams_delta_lcd_device = {
229 	.name	= "lcd_ams_delta",
230 	.id	= -1,
231 };
232 
233 static struct platform_device ams_delta_led_device = {
234 	.name	= "ams-delta-led",
235 	.id	= -1
236 };
237 
238 static struct i2c_board_info ams_delta_camera_board_info[] = {
239 	{
240 		I2C_BOARD_INFO("ov6650", 0x60),
241 	},
242 };
243 
244 #ifdef CONFIG_LEDS_TRIGGERS
245 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
246 
247 static int ams_delta_camera_power(struct device *dev, int power)
248 {
249 	/*
250 	 * turn on camera LED
251 	 */
252 	if (power)
253 		led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
254 	else
255 		led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
256 	return 0;
257 }
258 #else
259 #define ams_delta_camera_power	NULL
260 #endif
261 
262 static struct soc_camera_link __initdata ams_delta_iclink = {
263 	.bus_id         = 0,	/* OMAP1 SoC camera bus */
264 	.i2c_adapter_id = 1,
265 	.board_info     = &ams_delta_camera_board_info[0],
266 	.module_name    = "ov6650",
267 	.power		= ams_delta_camera_power,
268 };
269 
270 static struct platform_device ams_delta_camera_device = {
271 	.name   = "soc-camera-pdrv",
272 	.id     = 0,
273 	.dev    = {
274 		.platform_data = &ams_delta_iclink,
275 	},
276 };
277 
278 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
279 	.camexclk_khz	= 12000,	/* default 12MHz clock, no extra DPLL */
280 	.lclk_khz_max	= 1334,		/* results in 5fps CIF, 10fps QCIF */
281 };
282 
283 static struct platform_device *ams_delta_devices[] __initdata = {
284 	&ams_delta_nand_device,
285 	&ams_delta_kp_device,
286 	&ams_delta_lcd_device,
287 	&ams_delta_led_device,
288 	&ams_delta_camera_device,
289 };
290 
291 static void __init ams_delta_init(void)
292 {
293 	/* mux pins for uarts */
294 	omap_cfg_reg(UART1_TX);
295 	omap_cfg_reg(UART1_RTS);
296 
297 	/* parallel camera interface */
298 	omap_cfg_reg(H19_1610_CAM_EXCLK);
299 	omap_cfg_reg(J15_1610_CAM_LCLK);
300 	omap_cfg_reg(L18_1610_CAM_VS);
301 	omap_cfg_reg(L15_1610_CAM_HS);
302 	omap_cfg_reg(L19_1610_CAM_D0);
303 	omap_cfg_reg(K14_1610_CAM_D1);
304 	omap_cfg_reg(K15_1610_CAM_D2);
305 	omap_cfg_reg(K19_1610_CAM_D3);
306 	omap_cfg_reg(K18_1610_CAM_D4);
307 	omap_cfg_reg(J14_1610_CAM_D5);
308 	omap_cfg_reg(J19_1610_CAM_D6);
309 	omap_cfg_reg(J18_1610_CAM_D7);
310 
311 	iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
312 
313 	omap_board_config = ams_delta_config;
314 	omap_board_config_size = ARRAY_SIZE(ams_delta_config);
315 	omap_serial_init();
316 	omap_register_i2c_bus(1, 100, NULL, 0);
317 
318 	/* Clear latch2 (NAND, LCD, modem enable) */
319 	ams_delta_latch2_write(~0, 0);
320 
321 	omap1_usb_init(&ams_delta_usb_config);
322 	omap1_set_camera_info(&ams_delta_camera_platform_data);
323 #ifdef CONFIG_LEDS_TRIGGERS
324 	led_trigger_register_simple("ams_delta_camera",
325 			&ams_delta_camera_led_trigger);
326 #endif
327 	platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
328 
329 	ams_delta_init_fiq();
330 
331 	omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
332 }
333 
334 static struct plat_serial8250_port ams_delta_modem_ports[] = {
335 	{
336 		.membase	= IOMEM(AMS_DELTA_MODEM_VIRT),
337 		.mapbase	= AMS_DELTA_MODEM_PHYS,
338 		.irq		= -EINVAL, /* changed later */
339 		.flags		= UPF_BOOT_AUTOCONF,
340 		.irqflags	= IRQF_TRIGGER_RISING,
341 		.iotype		= UPIO_MEM,
342 		.regshift	= 1,
343 		.uartclk	= BASE_BAUD * 16,
344 	},
345 	{ },
346 };
347 
348 static struct platform_device ams_delta_modem_device = {
349 	.name	= "serial8250",
350 	.id	= PLAT8250_DEV_PLATFORM1,
351 	.dev		= {
352 		.platform_data = ams_delta_modem_ports,
353 	},
354 };
355 
356 static int __init ams_delta_modem_init(void)
357 {
358 	int err;
359 
360 	if (!machine_is_ams_delta())
361 		return -ENODEV;
362 
363 	omap_cfg_reg(M14_1510_GPIO2);
364 	ams_delta_modem_ports[0].irq =
365 			gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
366 
367 	err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
368 	if (err) {
369 		pr_err("Couldn't request gpio pin for modem\n");
370 		return err;
371 	}
372 	gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
373 
374 	ams_delta_latch2_write(
375 		AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
376 		AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
377 
378 	return platform_device_register(&ams_delta_modem_device);
379 }
380 arch_initcall(ams_delta_modem_init);
381 
382 static void __init ams_delta_map_io(void)
383 {
384 	omap1_map_common_io();
385 }
386 
387 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
388 	/* Maintainer: Jonathan McDowell <noodles@earth.li> */
389 	.boot_params	= 0x10000100,
390 	.map_io		= ams_delta_map_io,
391 	.reserve	= omap_reserve,
392 	.init_irq	= ams_delta_init_irq,
393 	.init_machine	= ams_delta_init,
394 	.timer		= &omap_timer,
395 MACHINE_END
396 
397 EXPORT_SYMBOL(ams_delta_latch1_write);
398 EXPORT_SYMBOL(ams_delta_latch2_write);
399