xref: /linux/arch/arm/mach-omap1/board-sx1.c (revision d39d0ed196aa1685bb24771e92f78633c66ac9cb)
1 /*
2 * linux/arch/arm/mach-omap1/board-sx1.c
3 *
4 * Modified from board-generic.c
5 *
6 * Support for the Siemens SX1 mobile phone.
7 *
8 * Original version : Vladimir Ananiev (Vovan888-at-gmail com)
9 *
10 * Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
11 *		oslik.ru
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 */
17 
18 #include <linux/kernel.h>
19 #include <linux/init.h>
20 #include <linux/input.h>
21 #include <linux/platform_device.h>
22 #include <linux/notifier.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/types.h>
27 #include <linux/i2c.h>
28 #include <linux/errno.h>
29 
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 
35 #include <mach/gpio.h>
36 #include <plat/flash.h>
37 #include <plat/mux.h>
38 #include <plat/dma.h>
39 #include <plat/irda.h>
40 #include <plat/usb.h>
41 #include <plat/tc.h>
42 #include <plat/board.h>
43 #include <plat/common.h>
44 #include <plat/keypad.h>
45 #include <plat/board-sx1.h>
46 
47 /* Write to I2C device */
48 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
49 {
50 	struct i2c_adapter *adap;
51 	int err;
52 	struct i2c_msg msg[1];
53 	unsigned char data[2];
54 
55 	adap = i2c_get_adapter(0);
56 	if (!adap)
57 		return -ENODEV;
58 	msg->addr = devaddr;	/* I2C address of chip */
59 	msg->flags = 0;
60 	msg->len = 2;
61 	msg->buf = data;
62 	data[0] = regoffset;	/* register num */
63 	data[1] = value;		/* register data */
64 	err = i2c_transfer(adap, msg, 1);
65 	i2c_put_adapter(adap);
66 	if (err >= 0)
67 		return 0;
68 	return err;
69 }
70 
71 /* Read from I2C device */
72 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
73 {
74 	struct i2c_adapter *adap;
75 	int err;
76 	struct i2c_msg msg[1];
77 	unsigned char data[2];
78 
79 	adap = i2c_get_adapter(0);
80 	if (!adap)
81 		return -ENODEV;
82 
83 	msg->addr = devaddr;	/* I2C address of chip */
84 	msg->flags = 0;
85 	msg->len = 1;
86 	msg->buf = data;
87 	data[0] = regoffset;	/* register num */
88 	err = i2c_transfer(adap, msg, 1);
89 
90 	msg->addr = devaddr;	/* I2C address */
91 	msg->flags = I2C_M_RD;
92 	msg->len = 1;
93 	msg->buf = data;
94 	err = i2c_transfer(adap, msg, 1);
95 	*value = data[0];
96 	i2c_put_adapter(adap);
97 
98 	if (err >= 0)
99 		return 0;
100 	return err;
101 }
102 /* set keyboard backlight intensity */
103 int sx1_setkeylight(u8 keylight)
104 {
105 	if (keylight > SOFIA_MAX_LIGHT_VAL)
106 		keylight = SOFIA_MAX_LIGHT_VAL;
107 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
108 }
109 /* get current keylight intensity */
110 int sx1_getkeylight(u8 * keylight)
111 {
112 	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
113 }
114 /* set LCD backlight intensity */
115 int sx1_setbacklight(u8 backlight)
116 {
117 	if (backlight > SOFIA_MAX_LIGHT_VAL)
118 		backlight = SOFIA_MAX_LIGHT_VAL;
119 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
120 				  backlight);
121 }
122 /* get current LCD backlight intensity */
123 int sx1_getbacklight (u8 * backlight)
124 {
125 	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
126 				 backlight);
127 }
128 /* set LCD backlight power on/off */
129 int sx1_setmmipower(u8 onoff)
130 {
131 	int err;
132 	u8 dat = 0;
133 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
134 	if (err < 0)
135 		return err;
136 	if (onoff)
137 		dat |= SOFIA_MMILIGHT_POWER;
138 	else
139 		dat &= ~SOFIA_MMILIGHT_POWER;
140 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
141 }
142 
143 /* set USB power on/off */
144 int sx1_setusbpower(u8 onoff)
145 {
146 	int err;
147 	u8 dat = 0;
148 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
149 	if (err < 0)
150 		return err;
151 	if (onoff)
152 		dat |= SOFIA_USB_POWER;
153 	else
154 		dat &= ~SOFIA_USB_POWER;
155 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
156 }
157 
158 EXPORT_SYMBOL(sx1_setkeylight);
159 EXPORT_SYMBOL(sx1_getkeylight);
160 EXPORT_SYMBOL(sx1_setbacklight);
161 EXPORT_SYMBOL(sx1_getbacklight);
162 EXPORT_SYMBOL(sx1_setmmipower);
163 EXPORT_SYMBOL(sx1_setusbpower);
164 
165 /*----------- Keypad -------------------------*/
166 
167 static int sx1_keymap[] = {
168 	KEY(5, 3, GROUP_0 | 117), /* camera Qt::Key_F17 */
169 	KEY(0, 4, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
170 	KEY(1, 4, GROUP_2 | 114), /* voice memo */
171 	KEY(2, 4, GROUP_3 | 114), /* voice memo */
172 	KEY(0, 0, GROUP_1 | KEY_F12),	/* red button Qt::Key_Hangup */
173 	KEY(4, 3, GROUP_1 | KEY_LEFT),
174 	KEY(2, 3, GROUP_1 | KEY_DOWN),
175 	KEY(1, 3, GROUP_1 | KEY_RIGHT),
176 	KEY(0, 3, GROUP_1 | KEY_UP),
177 	KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
178 	KEY(5, 0, GROUP_1 | KEY_1),
179 	KEY(4, 0, GROUP_1 | KEY_2),
180 	KEY(3, 0, GROUP_1 | KEY_3),
181 	KEY(3, 4, GROUP_1 | KEY_4),
182 	KEY(4, 4, GROUP_1 | KEY_5),
183 	KEY(5, 4, GROUP_1 | KEY_KPASTERISK),/* "*" */
184 	KEY(4, 1, GROUP_1 | KEY_6),
185 	KEY(5, 1, GROUP_1 | KEY_7),
186 	KEY(3, 1, GROUP_1 | KEY_8),
187 	KEY(3, 2, GROUP_1 | KEY_9),
188 	KEY(5, 2, GROUP_1 | KEY_0),
189 	KEY(4, 2, GROUP_1 | 113),	/* # F13 Toggle input method Qt::Key_F13 */
190 	KEY(0, 1, GROUP_1 | KEY_F11),	/* green button Qt::Key_Call */
191 	KEY(1, 2, GROUP_1 | KEY_YEN),	/* left soft Qt::Key_Context1 */
192 	KEY(2, 2, GROUP_1 | KEY_F8),	/* right soft Qt::Key_Back */
193 	KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), /* shift */
194 	KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
195 	KEY(0, 2, GROUP_1 | KEY_F7),	/* menu Qt::Key_Menu */
196 	0
197 };
198 
199 static struct resource sx1_kp_resources[] = {
200 	[0] = {
201 		.start	= INT_KEYBOARD,
202 		.end	= INT_KEYBOARD,
203 		.flags	= IORESOURCE_IRQ,
204 	},
205 };
206 
207 static struct omap_kp_platform_data sx1_kp_data = {
208 	.rows		= 6,
209 	.cols		= 6,
210 	.keymap	= sx1_keymap,
211 	.keymapsize = ARRAY_SIZE(sx1_keymap),
212 	.delay	= 80,
213 };
214 
215 static struct platform_device sx1_kp_device = {
216 	.name		= "omap-keypad",
217 	.id		= -1,
218 	.dev		= {
219 		.platform_data = &sx1_kp_data,
220 	},
221 	.num_resources	= ARRAY_SIZE(sx1_kp_resources),
222 	.resource	= sx1_kp_resources,
223 };
224 
225 /*----------- IRDA -------------------------*/
226 
227 static struct omap_irda_config sx1_irda_data = {
228 	.transceiver_cap	= IR_SIRMODE,
229 	.rx_channel		= OMAP_DMA_UART3_RX,
230 	.tx_channel		= OMAP_DMA_UART3_TX,
231 	.dest_start		= UART3_THR,
232 	.src_start		= UART3_RHR,
233 	.tx_trigger		= 0,
234 	.rx_trigger		= 0,
235 };
236 
237 static struct resource sx1_irda_resources[] = {
238 	[0] = {
239 		.start	= INT_UART3,
240 		.end	= INT_UART3,
241 		.flags	= IORESOURCE_IRQ,
242 	},
243 };
244 
245 static u64 irda_dmamask = 0xffffffff;
246 
247 static struct platform_device sx1_irda_device = {
248 	.name		= "omapirda",
249 	.id		= 0,
250 	.dev		= {
251 		.platform_data	= &sx1_irda_data,
252 		.dma_mask	= &irda_dmamask,
253 	},
254 	.num_resources	= ARRAY_SIZE(sx1_irda_resources),
255 	.resource	= sx1_irda_resources,
256 };
257 
258 /*----------- MTD -------------------------*/
259 
260 static struct mtd_partition sx1_partitions[] = {
261 	/* bootloader (U-Boot, etc) in first sector */
262 	{
263 		.name		= "bootloader",
264 		.offset		= 0x01800000,
265 		.size		= SZ_128K,
266 		.mask_flags	= MTD_WRITEABLE, /* force read-only */
267 	},
268 	/* bootloader params in the next sector */
269 	{
270 		.name		= "params",
271 		.offset		= MTDPART_OFS_APPEND,
272 		.size		= SZ_128K,
273 		.mask_flags	= 0,
274 	},
275 	/* kernel */
276 	{
277 		.name		= "kernel",
278 		.offset		= MTDPART_OFS_APPEND,
279 		.size		= SZ_2M - 2 * SZ_128K,
280 		.mask_flags	= 0
281 	},
282 	/* file system */
283 	{
284 		.name		= "filesystem",
285 		.offset		= MTDPART_OFS_APPEND,
286 		.size		= MTDPART_SIZ_FULL,
287 		.mask_flags	= 0
288 	}
289 };
290 
291 static struct physmap_flash_data sx1_flash_data = {
292 	.width		= 2,
293 	.set_vpp	= omap1_set_vpp,
294 	.parts		= sx1_partitions,
295 	.nr_parts	= ARRAY_SIZE(sx1_partitions),
296 };
297 
298 #ifdef CONFIG_SX1_OLD_FLASH
299 /* MTD Intel StrataFlash - old flashes */
300 static struct resource sx1_old_flash_resource[] = {
301 	[0] = {
302 		.start	= OMAP_CS0_PHYS,	/* Physical */
303 		.end	= OMAP_CS0_PHYS + SZ_16M - 1,,
304 		.flags	= IORESOURCE_MEM,
305 	},
306 	[1] = {
307 		.start	= OMAP_CS1_PHYS,
308 		.end	= OMAP_CS1_PHYS + SZ_8M - 1,
309 		.flags	= IORESOURCE_MEM,
310 	},
311 };
312 
313 static struct platform_device sx1_flash_device = {
314 	.name		= "physmap-flash",
315 	.id		= 0,
316 	.dev		= {
317 		.platform_data	= &sx1_flash_data,
318 	},
319 	.num_resources	= 2,
320 	.resource	= &sx1_old_flash_resource,
321 };
322 #else
323 /* MTD Intel 4000 flash - new flashes */
324 static struct resource sx1_new_flash_resource = {
325 	.start		= OMAP_CS0_PHYS,
326 	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
327 	.flags		= IORESOURCE_MEM,
328 };
329 
330 static struct platform_device sx1_flash_device = {
331 	.name		= "physmap-flash",
332 	.id		= 0,
333 	.dev		= {
334 		.platform_data	= &sx1_flash_data,
335 	},
336 	.num_resources	= 1,
337 	.resource	= &sx1_new_flash_resource,
338 };
339 #endif
340 
341 /*----------- USB -------------------------*/
342 
343 static struct omap_usb_config sx1_usb_config __initdata = {
344 	.otg		= 0,
345 	.register_dev	= 1,
346 	.register_host	= 0,
347 	.hmc_mode	= 0,
348 	.pins[0]	= 2,
349 	.pins[1]	= 0,
350 	.pins[2]	= 0,
351 };
352 
353 /*----------- LCD -------------------------*/
354 
355 static struct platform_device sx1_lcd_device = {
356 	.name		= "lcd_sx1",
357 	.id		= -1,
358 };
359 
360 static struct omap_lcd_config sx1_lcd_config __initdata = {
361 	.ctrl_name	= "internal",
362 };
363 
364 /*-----------------------------------------*/
365 static struct platform_device *sx1_devices[] __initdata = {
366 	&sx1_flash_device,
367 	&sx1_kp_device,
368 	&sx1_lcd_device,
369 	&sx1_irda_device,
370 };
371 /*-----------------------------------------*/
372 
373 static struct omap_board_config_kernel sx1_config[] __initdata = {
374 	{ OMAP_TAG_LCD,	&sx1_lcd_config },
375 };
376 
377 /*-----------------------------------------*/
378 
379 static void __init omap_sx1_init(void)
380 {
381 	/* mux pins for uarts */
382 	omap_cfg_reg(UART1_TX);
383 	omap_cfg_reg(UART1_RTS);
384 	omap_cfg_reg(UART2_TX);
385 	omap_cfg_reg(UART2_RTS);
386 	omap_cfg_reg(UART3_TX);
387 	omap_cfg_reg(UART3_RX);
388 
389 	platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
390 
391 	omap_board_config = sx1_config;
392 	omap_board_config_size = ARRAY_SIZE(sx1_config);
393 	omap_serial_init();
394 	omap_register_i2c_bus(1, 100, NULL, 0);
395 	omap1_usb_init(&sx1_usb_config);
396 	sx1_mmc_init();
397 
398 	/* turn on USB power */
399 	/* sx1_setusbpower(1); cant do it here because i2c is not ready */
400 	gpio_request(1, "A_IRDA_OFF");
401 	gpio_request(11, "A_SWITCH");
402 	gpio_request(15, "A_USB_ON");
403 	gpio_direction_output(1, 1);	/*A_IRDA_OFF = 1 */
404 	gpio_direction_output(11, 0);	/*A_SWITCH = 0 */
405 	gpio_direction_output(15, 0);	/*A_USB_ON = 0 */
406 }
407 /*----------------------------------------*/
408 static void __init omap_sx1_init_irq(void)
409 {
410 	omap1_init_common_hw();
411 	omap_init_irq();
412 	omap_gpio_init();
413 }
414 /*----------------------------------------*/
415 
416 static void __init omap_sx1_map_io(void)
417 {
418 	omap1_map_common_io();
419 }
420 
421 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
422 	.phys_io	= 0xfff00000,
423 	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
424 	.boot_params	= 0x10000100,
425 	.map_io		= omap_sx1_map_io,
426 	.reserve	= omap_reserve,
427 	.init_irq	= omap_sx1_init_irq,
428 	.init_machine	= omap_sx1_init,
429 	.timer		= &omap_timer,
430 MACHINE_END
431