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
ams_delta_latch1_write(u8 mask,u8 value)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
ams_delta_latch2_write(u16 mask,u16 value)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
ams_delta_init_irq(void)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 = {
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[] __initdata = {
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 __initdata = {
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 __initdata = {
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 __initdata = {
229 .name = "lcd_ams_delta",
230 .id = -1,
231 };
232
233 static struct platform_device ams_delta_led_device __initdata = {
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
ams_delta_camera_power(struct device * dev,int power)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 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 __initdata = {
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
ams_delta_init(void)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
ams_delta_modem_init(void)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
ams_delta_map_io(void)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