xref: /openbmc/linux/arch/arm/mach-omap1/board-sx1.c (revision d2574c33)
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 #include <linux/platform_data/keypad-omap.h>
32 
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36 
37 #include "flash.h"
38 #include <mach/mux.h>
39 #include <linux/omap-dma.h>
40 #include <mach/tc.h>
41 #include "board-sx1.h"
42 
43 #include <mach/hardware.h>
44 #include <mach/usb.h>
45 
46 #include "common.h"
47 
48 /* Write to I2C device */
49 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
50 {
51 	struct i2c_adapter *adap;
52 	int err;
53 	struct i2c_msg msg[1];
54 	unsigned char data[2];
55 
56 	adap = i2c_get_adapter(0);
57 	if (!adap)
58 		return -ENODEV;
59 	msg->addr = devaddr;	/* I2C address of chip */
60 	msg->flags = 0;
61 	msg->len = 2;
62 	msg->buf = data;
63 	data[0] = regoffset;	/* register num */
64 	data[1] = value;		/* register data */
65 	err = i2c_transfer(adap, msg, 1);
66 	i2c_put_adapter(adap);
67 	if (err >= 0)
68 		return 0;
69 	return err;
70 }
71 
72 /* Read from I2C device */
73 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
74 {
75 	struct i2c_adapter *adap;
76 	int err;
77 	struct i2c_msg msg[1];
78 	unsigned char data[2];
79 
80 	adap = i2c_get_adapter(0);
81 	if (!adap)
82 		return -ENODEV;
83 
84 	msg->addr = devaddr;	/* I2C address of chip */
85 	msg->flags = 0;
86 	msg->len = 1;
87 	msg->buf = data;
88 	data[0] = regoffset;	/* register num */
89 	err = i2c_transfer(adap, msg, 1);
90 
91 	msg->addr = devaddr;	/* I2C address */
92 	msg->flags = I2C_M_RD;
93 	msg->len = 1;
94 	msg->buf = data;
95 	err = i2c_transfer(adap, msg, 1);
96 	*value = data[0];
97 	i2c_put_adapter(adap);
98 
99 	if (err >= 0)
100 		return 0;
101 	return err;
102 }
103 /* set keyboard backlight intensity */
104 int sx1_setkeylight(u8 keylight)
105 {
106 	if (keylight > SOFIA_MAX_LIGHT_VAL)
107 		keylight = SOFIA_MAX_LIGHT_VAL;
108 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
109 }
110 /* get current keylight intensity */
111 int sx1_getkeylight(u8 * keylight)
112 {
113 	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
114 }
115 /* set LCD backlight intensity */
116 int sx1_setbacklight(u8 backlight)
117 {
118 	if (backlight > SOFIA_MAX_LIGHT_VAL)
119 		backlight = SOFIA_MAX_LIGHT_VAL;
120 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
121 				  backlight);
122 }
123 /* get current LCD backlight intensity */
124 int sx1_getbacklight (u8 * backlight)
125 {
126 	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
127 				 backlight);
128 }
129 /* set LCD backlight power on/off */
130 int sx1_setmmipower(u8 onoff)
131 {
132 	int err;
133 	u8 dat = 0;
134 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
135 	if (err < 0)
136 		return err;
137 	if (onoff)
138 		dat |= SOFIA_MMILIGHT_POWER;
139 	else
140 		dat &= ~SOFIA_MMILIGHT_POWER;
141 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
142 }
143 
144 /* set USB power on/off */
145 int sx1_setusbpower(u8 onoff)
146 {
147 	int err;
148 	u8 dat = 0;
149 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
150 	if (err < 0)
151 		return err;
152 	if (onoff)
153 		dat |= SOFIA_USB_POWER;
154 	else
155 		dat &= ~SOFIA_USB_POWER;
156 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
157 }
158 
159 EXPORT_SYMBOL(sx1_setkeylight);
160 EXPORT_SYMBOL(sx1_getkeylight);
161 EXPORT_SYMBOL(sx1_setbacklight);
162 EXPORT_SYMBOL(sx1_getbacklight);
163 EXPORT_SYMBOL(sx1_setmmipower);
164 EXPORT_SYMBOL(sx1_setusbpower);
165 
166 /*----------- Keypad -------------------------*/
167 
168 static const unsigned int sx1_keymap[] = {
169 	KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
170 	KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
171 	KEY(4, 1, GROUP_2 | 114), /* voice memo */
172 	KEY(4, 2, GROUP_3 | 114), /* voice memo */
173 	KEY(0, 0, GROUP_1 | KEY_F12),	/* red button Qt::Key_Hangup */
174 	KEY(3, 4, GROUP_1 | KEY_LEFT),
175 	KEY(3, 2, GROUP_1 | KEY_DOWN),
176 	KEY(3, 1, GROUP_1 | KEY_RIGHT),
177 	KEY(3, 0, GROUP_1 | KEY_UP),
178 	KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
179 	KEY(0, 5, GROUP_1 | KEY_1),
180 	KEY(0, 4, GROUP_1 | KEY_2),
181 	KEY(0, 3, GROUP_1 | KEY_3),
182 	KEY(4, 3, GROUP_1 | KEY_4),
183 	KEY(4, 4, GROUP_1 | KEY_5),
184 	KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
185 	KEY(1, 4, GROUP_1 | KEY_6),
186 	KEY(1, 5, GROUP_1 | KEY_7),
187 	KEY(1, 3, GROUP_1 | KEY_8),
188 	KEY(2, 3, GROUP_1 | KEY_9),
189 	KEY(2, 5, GROUP_1 | KEY_0),
190 	KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
191 	KEY(1, 0, GROUP_1 | KEY_F11),	/* green button Qt::Key_Call */
192 	KEY(2, 1, GROUP_1 | KEY_YEN),	/* left soft Qt::Key_Context1 */
193 	KEY(2, 2, GROUP_1 | KEY_F8),	/* right soft Qt::Key_Back */
194 	KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
195 	KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
196 	KEY(2, 0, GROUP_1 | KEY_F7),	/* menu Qt::Key_Menu */
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 const struct matrix_keymap_data sx1_keymap_data = {
208 	.keymap		= sx1_keymap,
209 	.keymap_size	= ARRAY_SIZE(sx1_keymap),
210 };
211 
212 static struct omap_kp_platform_data sx1_kp_data = {
213 	.rows		= 6,
214 	.cols		= 6,
215 	.keymap_data	= &sx1_keymap_data,
216 	.delay	= 80,
217 };
218 
219 static struct platform_device sx1_kp_device = {
220 	.name		= "omap-keypad",
221 	.id		= -1,
222 	.dev		= {
223 		.platform_data = &sx1_kp_data,
224 	},
225 	.num_resources	= ARRAY_SIZE(sx1_kp_resources),
226 	.resource	= sx1_kp_resources,
227 };
228 
229 /*----------- MTD -------------------------*/
230 
231 static struct mtd_partition sx1_partitions[] = {
232 	/* bootloader (U-Boot, etc) in first sector */
233 	{
234 		.name		= "bootloader",
235 		.offset		= 0x01800000,
236 		.size		= SZ_128K,
237 		.mask_flags	= MTD_WRITEABLE, /* force read-only */
238 	},
239 	/* bootloader params in the next sector */
240 	{
241 		.name		= "params",
242 		.offset		= MTDPART_OFS_APPEND,
243 		.size		= SZ_128K,
244 		.mask_flags	= 0,
245 	},
246 	/* kernel */
247 	{
248 		.name		= "kernel",
249 		.offset		= MTDPART_OFS_APPEND,
250 		.size		= SZ_2M - 2 * SZ_128K,
251 		.mask_flags	= 0
252 	},
253 	/* file system */
254 	{
255 		.name		= "filesystem",
256 		.offset		= MTDPART_OFS_APPEND,
257 		.size		= MTDPART_SIZ_FULL,
258 		.mask_flags	= 0
259 	}
260 };
261 
262 static struct physmap_flash_data sx1_flash_data = {
263 	.width		= 2,
264 	.set_vpp	= omap1_set_vpp,
265 	.parts		= sx1_partitions,
266 	.nr_parts	= ARRAY_SIZE(sx1_partitions),
267 };
268 
269 /* MTD Intel 4000 flash - new flashes */
270 static struct resource sx1_new_flash_resource = {
271 	.start		= OMAP_CS0_PHYS,
272 	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
273 	.flags		= IORESOURCE_MEM,
274 };
275 
276 static struct platform_device sx1_flash_device = {
277 	.name		= "physmap-flash",
278 	.id		= 0,
279 	.dev		= {
280 		.platform_data	= &sx1_flash_data,
281 	},
282 	.num_resources	= 1,
283 	.resource	= &sx1_new_flash_resource,
284 };
285 
286 /*----------- USB -------------------------*/
287 
288 static struct omap_usb_config sx1_usb_config __initdata = {
289 	.otg		= 0,
290 	.register_dev	= 1,
291 	.register_host	= 0,
292 	.hmc_mode	= 0,
293 	.pins[0]	= 2,
294 	.pins[1]	= 0,
295 	.pins[2]	= 0,
296 };
297 
298 /*----------- LCD -------------------------*/
299 
300 static const struct omap_lcd_config sx1_lcd_config __initconst = {
301 	.ctrl_name	= "internal",
302 };
303 
304 /*-----------------------------------------*/
305 static struct platform_device *sx1_devices[] __initdata = {
306 	&sx1_flash_device,
307 	&sx1_kp_device,
308 };
309 
310 /*-----------------------------------------*/
311 
312 static void __init omap_sx1_init(void)
313 {
314 	/* mux pins for uarts */
315 	omap_cfg_reg(UART1_TX);
316 	omap_cfg_reg(UART1_RTS);
317 	omap_cfg_reg(UART2_TX);
318 	omap_cfg_reg(UART2_RTS);
319 	omap_cfg_reg(UART3_TX);
320 	omap_cfg_reg(UART3_RX);
321 
322 	platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
323 
324 	omap_serial_init();
325 	omap_register_i2c_bus(1, 100, NULL, 0);
326 	omap1_usb_init(&sx1_usb_config);
327 	sx1_mmc_init();
328 
329 	/* turn on USB power */
330 	/* sx1_setusbpower(1); can't do it here because i2c is not ready */
331 	gpio_request(1, "A_IRDA_OFF");
332 	gpio_request(11, "A_SWITCH");
333 	gpio_request(15, "A_USB_ON");
334 	gpio_direction_output(1, 1);	/*A_IRDA_OFF = 1 */
335 	gpio_direction_output(11, 0);	/*A_SWITCH = 0 */
336 	gpio_direction_output(15, 0);	/*A_USB_ON = 0 */
337 
338 	omapfb_set_lcd_config(&sx1_lcd_config);
339 }
340 
341 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
342 	.atag_offset	= 0x100,
343 	.map_io		= omap15xx_map_io,
344 	.init_early     = omap1_init_early,
345 	.init_irq	= omap1_init_irq,
346 	.handle_irq	= omap1_handle_irq,
347 	.init_machine	= omap_sx1_init,
348 	.init_late	= omap1_init_late,
349 	.init_time	= omap1_timer_init,
350 	.restart	= omap1_restart,
351 MACHINE_END
352