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 #include <linux/gpio.h>
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 #include <linux/export.h>
30 #include <linux/omapfb.h>
31 
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 
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/keypad.h>
44 #include <plat/board-sx1.h>
45 
46 #include <mach/hardware.h>
47 
48 #include "common.h"
49 
50 /* Write to I2C device */
sx1_i2c_write_byte(u8 devaddr,u8 regoffset,u8 value)51 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
52 {
53 	struct i2c_adapter *adap;
54 	int err;
55 	struct i2c_msg msg[1];
56 	unsigned char data[2];
57 
58 	adap = i2c_get_adapter(0);
59 	if (!adap)
60 		return -ENODEV;
61 	msg->addr = devaddr;	/* I2C address of chip */
62 	msg->flags = 0;
63 	msg->len = 2;
64 	msg->buf = data;
65 	data[0] = regoffset;	/* register num */
66 	data[1] = value;		/* register data */
67 	err = i2c_transfer(adap, msg, 1);
68 	i2c_put_adapter(adap);
69 	if (err >= 0)
70 		return 0;
71 	return err;
72 }
73 
74 /* Read from I2C device */
sx1_i2c_read_byte(u8 devaddr,u8 regoffset,u8 * value)75 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
76 {
77 	struct i2c_adapter *adap;
78 	int err;
79 	struct i2c_msg msg[1];
80 	unsigned char data[2];
81 
82 	adap = i2c_get_adapter(0);
83 	if (!adap)
84 		return -ENODEV;
85 
86 	msg->addr = devaddr;	/* I2C address of chip */
87 	msg->flags = 0;
88 	msg->len = 1;
89 	msg->buf = data;
90 	data[0] = regoffset;	/* register num */
91 	err = i2c_transfer(adap, msg, 1);
92 
93 	msg->addr = devaddr;	/* I2C address */
94 	msg->flags = I2C_M_RD;
95 	msg->len = 1;
96 	msg->buf = data;
97 	err = i2c_transfer(adap, msg, 1);
98 	*value = data[0];
99 	i2c_put_adapter(adap);
100 
101 	if (err >= 0)
102 		return 0;
103 	return err;
104 }
105 /* set keyboard backlight intensity */
sx1_setkeylight(u8 keylight)106 int sx1_setkeylight(u8 keylight)
107 {
108 	if (keylight > SOFIA_MAX_LIGHT_VAL)
109 		keylight = SOFIA_MAX_LIGHT_VAL;
110 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
111 }
112 /* get current keylight intensity */
sx1_getkeylight(u8 * keylight)113 int sx1_getkeylight(u8 * keylight)
114 {
115 	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
116 }
117 /* set LCD backlight intensity */
sx1_setbacklight(u8 backlight)118 int sx1_setbacklight(u8 backlight)
119 {
120 	if (backlight > SOFIA_MAX_LIGHT_VAL)
121 		backlight = SOFIA_MAX_LIGHT_VAL;
122 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
123 				  backlight);
124 }
125 /* get current LCD backlight intensity */
sx1_getbacklight(u8 * backlight)126 int sx1_getbacklight (u8 * backlight)
127 {
128 	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
129 				 backlight);
130 }
131 /* set LCD backlight power on/off */
sx1_setmmipower(u8 onoff)132 int sx1_setmmipower(u8 onoff)
133 {
134 	int err;
135 	u8 dat = 0;
136 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
137 	if (err < 0)
138 		return err;
139 	if (onoff)
140 		dat |= SOFIA_MMILIGHT_POWER;
141 	else
142 		dat &= ~SOFIA_MMILIGHT_POWER;
143 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
144 }
145 
146 /* set USB power on/off */
sx1_setusbpower(u8 onoff)147 int sx1_setusbpower(u8 onoff)
148 {
149 	int err;
150 	u8 dat = 0;
151 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
152 	if (err < 0)
153 		return err;
154 	if (onoff)
155 		dat |= SOFIA_USB_POWER;
156 	else
157 		dat &= ~SOFIA_USB_POWER;
158 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
159 }
160 
161 EXPORT_SYMBOL(sx1_setkeylight);
162 EXPORT_SYMBOL(sx1_getkeylight);
163 EXPORT_SYMBOL(sx1_setbacklight);
164 EXPORT_SYMBOL(sx1_getbacklight);
165 EXPORT_SYMBOL(sx1_setmmipower);
166 EXPORT_SYMBOL(sx1_setusbpower);
167 
168 /*----------- Keypad -------------------------*/
169 
170 static const unsigned int sx1_keymap[] = {
171 	KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
172 	KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
173 	KEY(4, 1, GROUP_2 | 114), /* voice memo */
174 	KEY(4, 2, GROUP_3 | 114), /* voice memo */
175 	KEY(0, 0, GROUP_1 | KEY_F12),	/* red button Qt::Key_Hangup */
176 	KEY(3, 4, GROUP_1 | KEY_LEFT),
177 	KEY(3, 2, GROUP_1 | KEY_DOWN),
178 	KEY(3, 1, GROUP_1 | KEY_RIGHT),
179 	KEY(3, 0, GROUP_1 | KEY_UP),
180 	KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
181 	KEY(0, 5, GROUP_1 | KEY_1),
182 	KEY(0, 4, GROUP_1 | KEY_2),
183 	KEY(0, 3, GROUP_1 | KEY_3),
184 	KEY(4, 3, GROUP_1 | KEY_4),
185 	KEY(4, 4, GROUP_1 | KEY_5),
186 	KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
187 	KEY(1, 4, GROUP_1 | KEY_6),
188 	KEY(1, 5, GROUP_1 | KEY_7),
189 	KEY(1, 3, GROUP_1 | KEY_8),
190 	KEY(2, 3, GROUP_1 | KEY_9),
191 	KEY(2, 5, GROUP_1 | KEY_0),
192 	KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
193 	KEY(1, 0, GROUP_1 | KEY_F11),	/* green button Qt::Key_Call */
194 	KEY(2, 1, GROUP_1 | KEY_YEN),	/* left soft Qt::Key_Context1 */
195 	KEY(2, 2, GROUP_1 | KEY_F8),	/* right soft Qt::Key_Back */
196 	KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
197 	KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
198 	KEY(2, 0, GROUP_1 | KEY_F7),	/* menu Qt::Key_Menu */
199 };
200 
201 static struct resource sx1_kp_resources[] = {
202 	[0] = {
203 		.start	= INT_KEYBOARD,
204 		.end	= INT_KEYBOARD,
205 		.flags	= IORESOURCE_IRQ,
206 	},
207 };
208 
209 static const struct matrix_keymap_data sx1_keymap_data = {
210 	.keymap		= sx1_keymap,
211 	.keymap_size	= ARRAY_SIZE(sx1_keymap),
212 };
213 
214 static struct omap_kp_platform_data sx1_kp_data = {
215 	.rows		= 6,
216 	.cols		= 6,
217 	.keymap_data	= &sx1_keymap_data,
218 	.delay	= 80,
219 };
220 
221 static struct platform_device sx1_kp_device = {
222 	.name		= "omap-keypad",
223 	.id		= -1,
224 	.dev		= {
225 		.platform_data = &sx1_kp_data,
226 	},
227 	.num_resources	= ARRAY_SIZE(sx1_kp_resources),
228 	.resource	= sx1_kp_resources,
229 };
230 
231 /*----------- IRDA -------------------------*/
232 
233 static struct omap_irda_config sx1_irda_data = {
234 	.transceiver_cap	= IR_SIRMODE,
235 	.rx_channel		= OMAP_DMA_UART3_RX,
236 	.tx_channel		= OMAP_DMA_UART3_TX,
237 	.dest_start		= UART3_THR,
238 	.src_start		= UART3_RHR,
239 	.tx_trigger		= 0,
240 	.rx_trigger		= 0,
241 };
242 
243 static struct resource sx1_irda_resources[] = {
244 	[0] = {
245 		.start	= INT_UART3,
246 		.end	= INT_UART3,
247 		.flags	= IORESOURCE_IRQ,
248 	},
249 };
250 
251 static u64 irda_dmamask = 0xffffffff;
252 
253 static struct platform_device sx1_irda_device = {
254 	.name		= "omapirda",
255 	.id		= 0,
256 	.dev		= {
257 		.platform_data	= &sx1_irda_data,
258 		.dma_mask	= &irda_dmamask,
259 	},
260 	.num_resources	= ARRAY_SIZE(sx1_irda_resources),
261 	.resource	= sx1_irda_resources,
262 };
263 
264 /*----------- MTD -------------------------*/
265 
266 static struct mtd_partition sx1_partitions[] = {
267 	/* bootloader (U-Boot, etc) in first sector */
268 	{
269 		.name		= "bootloader",
270 		.offset		= 0x01800000,
271 		.size		= SZ_128K,
272 		.mask_flags	= MTD_WRITEABLE, /* force read-only */
273 	},
274 	/* bootloader params in the next sector */
275 	{
276 		.name		= "params",
277 		.offset		= MTDPART_OFS_APPEND,
278 		.size		= SZ_128K,
279 		.mask_flags	= 0,
280 	},
281 	/* kernel */
282 	{
283 		.name		= "kernel",
284 		.offset		= MTDPART_OFS_APPEND,
285 		.size		= SZ_2M - 2 * SZ_128K,
286 		.mask_flags	= 0
287 	},
288 	/* file system */
289 	{
290 		.name		= "filesystem",
291 		.offset		= MTDPART_OFS_APPEND,
292 		.size		= MTDPART_SIZ_FULL,
293 		.mask_flags	= 0
294 	}
295 };
296 
297 static struct physmap_flash_data sx1_flash_data = {
298 	.width		= 2,
299 	.set_vpp	= omap1_set_vpp,
300 	.parts		= sx1_partitions,
301 	.nr_parts	= ARRAY_SIZE(sx1_partitions),
302 };
303 
304 #ifdef CONFIG_SX1_OLD_FLASH
305 /* MTD Intel StrataFlash - old flashes */
306 static struct resource sx1_old_flash_resource[] = {
307 	[0] = {
308 		.start	= OMAP_CS0_PHYS,	/* Physical */
309 		.end	= OMAP_CS0_PHYS + SZ_16M - 1,,
310 		.flags	= IORESOURCE_MEM,
311 	},
312 	[1] = {
313 		.start	= OMAP_CS1_PHYS,
314 		.end	= OMAP_CS1_PHYS + SZ_8M - 1,
315 		.flags	= IORESOURCE_MEM,
316 	},
317 };
318 
319 static struct platform_device sx1_flash_device = {
320 	.name		= "physmap-flash",
321 	.id		= 0,
322 	.dev		= {
323 		.platform_data	= &sx1_flash_data,
324 	},
325 	.num_resources	= 2,
326 	.resource	= &sx1_old_flash_resource,
327 };
328 #else
329 /* MTD Intel 4000 flash - new flashes */
330 static struct resource sx1_new_flash_resource = {
331 	.start		= OMAP_CS0_PHYS,
332 	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
333 	.flags		= IORESOURCE_MEM,
334 };
335 
336 static struct platform_device sx1_flash_device = {
337 	.name		= "physmap-flash",
338 	.id		= 0,
339 	.dev		= {
340 		.platform_data	= &sx1_flash_data,
341 	},
342 	.num_resources	= 1,
343 	.resource	= &sx1_new_flash_resource,
344 };
345 #endif
346 
347 /*----------- USB -------------------------*/
348 
349 static struct omap_usb_config sx1_usb_config __initdata = {
350 	.otg		= 0,
351 	.register_dev	= 1,
352 	.register_host	= 0,
353 	.hmc_mode	= 0,
354 	.pins[0]	= 2,
355 	.pins[1]	= 0,
356 	.pins[2]	= 0,
357 };
358 
359 /*----------- LCD -------------------------*/
360 
361 static struct omap_lcd_config sx1_lcd_config __initdata = {
362 	.ctrl_name	= "internal",
363 };
364 
365 /*-----------------------------------------*/
366 static struct platform_device *sx1_devices[] __initdata = {
367 	&sx1_flash_device,
368 	&sx1_kp_device,
369 	&sx1_irda_device,
370 };
371 
372 /*-----------------------------------------*/
373 
omap_sx1_init(void)374 static void __init omap_sx1_init(void)
375 {
376 	/* mux pins for uarts */
377 	omap_cfg_reg(UART1_TX);
378 	omap_cfg_reg(UART1_RTS);
379 	omap_cfg_reg(UART2_TX);
380 	omap_cfg_reg(UART2_RTS);
381 	omap_cfg_reg(UART3_TX);
382 	omap_cfg_reg(UART3_RX);
383 
384 	platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
385 
386 	omap_serial_init();
387 	omap_register_i2c_bus(1, 100, NULL, 0);
388 	omap1_usb_init(&sx1_usb_config);
389 	sx1_mmc_init();
390 
391 	/* turn on USB power */
392 	/* sx1_setusbpower(1); can't do it here because i2c is not ready */
393 	gpio_request(1, "A_IRDA_OFF");
394 	gpio_request(11, "A_SWITCH");
395 	gpio_request(15, "A_USB_ON");
396 	gpio_direction_output(1, 1);	/*A_IRDA_OFF = 1 */
397 	gpio_direction_output(11, 0);	/*A_SWITCH = 0 */
398 	gpio_direction_output(15, 0);	/*A_USB_ON = 0 */
399 
400 	omapfb_set_lcd_config(&sx1_lcd_config);
401 }
402 
403 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
404 	.atag_offset	= 0x100,
405 	.map_io		= omap15xx_map_io,
406 	.init_early     = omap1_init_early,
407 	.reserve	= omap_reserve,
408 	.init_irq	= omap1_init_irq,
409 	.init_machine	= omap_sx1_init,
410 	.timer		= &omap1_timer,
411 	.restart	= omap1_restart,
412 MACHINE_END
413