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 <mach/flash.h>
38#include <mach/mux.h>
39#include <linux/omap-dma.h>
40#include <mach/tc.h>
41#include <mach/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 */
49int 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 */
73int 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 */
104int 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 */
111int sx1_getkeylight(u8 * keylight)
112{
113	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
114}
115/* set LCD backlight intensity */
116int 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 */
124int 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 */
130int 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 */
145int 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
159EXPORT_SYMBOL(sx1_setkeylight);
160EXPORT_SYMBOL(sx1_getkeylight);
161EXPORT_SYMBOL(sx1_setbacklight);
162EXPORT_SYMBOL(sx1_getbacklight);
163EXPORT_SYMBOL(sx1_setmmipower);
164EXPORT_SYMBOL(sx1_setusbpower);
165
166/*----------- Keypad -------------------------*/
167
168static 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
199static struct resource sx1_kp_resources[] = {
200	[0] = {
201		.start	= INT_KEYBOARD,
202		.end	= INT_KEYBOARD,
203		.flags	= IORESOURCE_IRQ,
204	},
205};
206
207static const struct matrix_keymap_data sx1_keymap_data = {
208	.keymap		= sx1_keymap,
209	.keymap_size	= ARRAY_SIZE(sx1_keymap),
210};
211
212static 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
219static 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
231static 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
262static 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 */
270static 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
276static 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
288static 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
300static struct omap_lcd_config sx1_lcd_config __initdata = {
301	.ctrl_name	= "internal",
302};
303
304/*-----------------------------------------*/
305static struct platform_device *sx1_devices[] __initdata = {
306	&sx1_flash_device,
307	&sx1_kp_device,
308};
309
310/*-----------------------------------------*/
311
312static 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
341MACHINE_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,
351MACHINE_END
352