1// SPDX-License-Identifier: GPL-2.0-only
2/*
3* linux/arch/arm/mach-omap1/board-sx1.c
4*
5* Modified from board-generic.c
6*
7* Support for the Siemens SX1 mobile phone.
8*
9* Original version : Vladimir Ananiev (Vovan888-at-gmail com)
10*
11* Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
12*		oslik.ru
13*/
14#include <linux/gpio.h>
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/input.h>
18#include <linux/platform_device.h>
19#include <linux/notifier.h>
20#include <linux/mtd/mtd.h>
21#include <linux/mtd/partitions.h>
22#include <linux/mtd/physmap.h>
23#include <linux/types.h>
24#include <linux/i2c.h>
25#include <linux/errno.h>
26#include <linux/export.h>
27#include <linux/omapfb.h>
28#include <linux/platform_data/keypad-omap.h>
29
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33
34#include "flash.h"
35#include <mach/mux.h>
36#include <linux/omap-dma.h>
37#include <mach/tc.h>
38#include "board-sx1.h"
39
40#include <mach/hardware.h>
41#include <mach/usb.h>
42
43#include "common.h"
44
45/* Write to I2C device */
46int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
47{
48	struct i2c_adapter *adap;
49	int err;
50	struct i2c_msg msg[1];
51	unsigned char data[2];
52
53	adap = i2c_get_adapter(0);
54	if (!adap)
55		return -ENODEV;
56	msg->addr = devaddr;	/* I2C address of chip */
57	msg->flags = 0;
58	msg->len = 2;
59	msg->buf = data;
60	data[0] = regoffset;	/* register num */
61	data[1] = value;		/* register data */
62	err = i2c_transfer(adap, msg, 1);
63	i2c_put_adapter(adap);
64	if (err >= 0)
65		return 0;
66	return err;
67}
68
69/* Read from I2C device */
70int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
71{
72	struct i2c_adapter *adap;
73	int err;
74	struct i2c_msg msg[1];
75	unsigned char data[2];
76
77	adap = i2c_get_adapter(0);
78	if (!adap)
79		return -ENODEV;
80
81	msg->addr = devaddr;	/* I2C address of chip */
82	msg->flags = 0;
83	msg->len = 1;
84	msg->buf = data;
85	data[0] = regoffset;	/* register num */
86	err = i2c_transfer(adap, msg, 1);
87
88	msg->addr = devaddr;	/* I2C address */
89	msg->flags = I2C_M_RD;
90	msg->len = 1;
91	msg->buf = data;
92	err = i2c_transfer(adap, msg, 1);
93	*value = data[0];
94	i2c_put_adapter(adap);
95
96	if (err >= 0)
97		return 0;
98	return err;
99}
100/* set keyboard backlight intensity */
101int sx1_setkeylight(u8 keylight)
102{
103	if (keylight > SOFIA_MAX_LIGHT_VAL)
104		keylight = SOFIA_MAX_LIGHT_VAL;
105	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
106}
107/* get current keylight intensity */
108int sx1_getkeylight(u8 * keylight)
109{
110	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
111}
112/* set LCD backlight intensity */
113int sx1_setbacklight(u8 backlight)
114{
115	if (backlight > SOFIA_MAX_LIGHT_VAL)
116		backlight = SOFIA_MAX_LIGHT_VAL;
117	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
118				  backlight);
119}
120/* get current LCD backlight intensity */
121int sx1_getbacklight (u8 * backlight)
122{
123	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
124				 backlight);
125}
126/* set LCD backlight power on/off */
127int sx1_setmmipower(u8 onoff)
128{
129	int err;
130	u8 dat = 0;
131	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
132	if (err < 0)
133		return err;
134	if (onoff)
135		dat |= SOFIA_MMILIGHT_POWER;
136	else
137		dat &= ~SOFIA_MMILIGHT_POWER;
138	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
139}
140
141/* set USB power on/off */
142int sx1_setusbpower(u8 onoff)
143{
144	int err;
145	u8 dat = 0;
146	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
147	if (err < 0)
148		return err;
149	if (onoff)
150		dat |= SOFIA_USB_POWER;
151	else
152		dat &= ~SOFIA_USB_POWER;
153	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
154}
155
156EXPORT_SYMBOL(sx1_setkeylight);
157EXPORT_SYMBOL(sx1_getkeylight);
158EXPORT_SYMBOL(sx1_setbacklight);
159EXPORT_SYMBOL(sx1_getbacklight);
160EXPORT_SYMBOL(sx1_setmmipower);
161EXPORT_SYMBOL(sx1_setusbpower);
162
163/*----------- Keypad -------------------------*/
164
165static const unsigned int sx1_keymap[] = {
166	KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
167	KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
168	KEY(4, 1, GROUP_2 | 114), /* voice memo */
169	KEY(4, 2, GROUP_3 | 114), /* voice memo */
170	KEY(0, 0, GROUP_1 | KEY_F12),	/* red button Qt::Key_Hangup */
171	KEY(3, 4, GROUP_1 | KEY_LEFT),
172	KEY(3, 2, GROUP_1 | KEY_DOWN),
173	KEY(3, 1, GROUP_1 | KEY_RIGHT),
174	KEY(3, 0, GROUP_1 | KEY_UP),
175	KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
176	KEY(0, 5, GROUP_1 | KEY_1),
177	KEY(0, 4, GROUP_1 | KEY_2),
178	KEY(0, 3, GROUP_1 | KEY_3),
179	KEY(4, 3, GROUP_1 | KEY_4),
180	KEY(4, 4, GROUP_1 | KEY_5),
181	KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
182	KEY(1, 4, GROUP_1 | KEY_6),
183	KEY(1, 5, GROUP_1 | KEY_7),
184	KEY(1, 3, GROUP_1 | KEY_8),
185	KEY(2, 3, GROUP_1 | KEY_9),
186	KEY(2, 5, GROUP_1 | KEY_0),
187	KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
188	KEY(1, 0, GROUP_1 | KEY_F11),	/* green button Qt::Key_Call */
189	KEY(2, 1, GROUP_1 | KEY_YEN),	/* left soft Qt::Key_Context1 */
190	KEY(2, 2, GROUP_1 | KEY_F8),	/* right soft Qt::Key_Back */
191	KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
192	KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
193	KEY(2, 0, GROUP_1 | KEY_F7),	/* menu Qt::Key_Menu */
194};
195
196static struct resource sx1_kp_resources[] = {
197	[0] = {
198		.start	= INT_KEYBOARD,
199		.end	= INT_KEYBOARD,
200		.flags	= IORESOURCE_IRQ,
201	},
202};
203
204static const struct matrix_keymap_data sx1_keymap_data = {
205	.keymap		= sx1_keymap,
206	.keymap_size	= ARRAY_SIZE(sx1_keymap),
207};
208
209static struct omap_kp_platform_data sx1_kp_data = {
210	.rows		= 6,
211	.cols		= 6,
212	.keymap_data	= &sx1_keymap_data,
213	.delay	= 80,
214};
215
216static struct platform_device sx1_kp_device = {
217	.name		= "omap-keypad",
218	.id		= -1,
219	.dev		= {
220		.platform_data = &sx1_kp_data,
221	},
222	.num_resources	= ARRAY_SIZE(sx1_kp_resources),
223	.resource	= sx1_kp_resources,
224};
225
226/*----------- MTD -------------------------*/
227
228static struct mtd_partition sx1_partitions[] = {
229	/* bootloader (U-Boot, etc) in first sector */
230	{
231		.name		= "bootloader",
232		.offset		= 0x01800000,
233		.size		= SZ_128K,
234		.mask_flags	= MTD_WRITEABLE, /* force read-only */
235	},
236	/* bootloader params in the next sector */
237	{
238		.name		= "params",
239		.offset		= MTDPART_OFS_APPEND,
240		.size		= SZ_128K,
241		.mask_flags	= 0,
242	},
243	/* kernel */
244	{
245		.name		= "kernel",
246		.offset		= MTDPART_OFS_APPEND,
247		.size		= SZ_2M - 2 * SZ_128K,
248		.mask_flags	= 0
249	},
250	/* file system */
251	{
252		.name		= "filesystem",
253		.offset		= MTDPART_OFS_APPEND,
254		.size		= MTDPART_SIZ_FULL,
255		.mask_flags	= 0
256	}
257};
258
259static struct physmap_flash_data sx1_flash_data = {
260	.width		= 2,
261	.set_vpp	= omap1_set_vpp,
262	.parts		= sx1_partitions,
263	.nr_parts	= ARRAY_SIZE(sx1_partitions),
264};
265
266/* MTD Intel 4000 flash - new flashes */
267static struct resource sx1_new_flash_resource = {
268	.start		= OMAP_CS0_PHYS,
269	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
270	.flags		= IORESOURCE_MEM,
271};
272
273static struct platform_device sx1_flash_device = {
274	.name		= "physmap-flash",
275	.id		= 0,
276	.dev		= {
277		.platform_data	= &sx1_flash_data,
278	},
279	.num_resources	= 1,
280	.resource	= &sx1_new_flash_resource,
281};
282
283/*----------- USB -------------------------*/
284
285static struct omap_usb_config sx1_usb_config __initdata = {
286	.otg		= 0,
287	.register_dev	= 1,
288	.register_host	= 0,
289	.hmc_mode	= 0,
290	.pins[0]	= 2,
291	.pins[1]	= 0,
292	.pins[2]	= 0,
293};
294
295/*----------- LCD -------------------------*/
296
297static const struct omap_lcd_config sx1_lcd_config __initconst = {
298	.ctrl_name	= "internal",
299};
300
301/*-----------------------------------------*/
302static struct platform_device *sx1_devices[] __initdata = {
303	&sx1_flash_device,
304	&sx1_kp_device,
305};
306
307/*-----------------------------------------*/
308
309static void __init omap_sx1_init(void)
310{
311	/* mux pins for uarts */
312	omap_cfg_reg(UART1_TX);
313	omap_cfg_reg(UART1_RTS);
314	omap_cfg_reg(UART2_TX);
315	omap_cfg_reg(UART2_RTS);
316	omap_cfg_reg(UART3_TX);
317	omap_cfg_reg(UART3_RX);
318
319	platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
320
321	omap_serial_init();
322	omap_register_i2c_bus(1, 100, NULL, 0);
323	omap1_usb_init(&sx1_usb_config);
324	sx1_mmc_init();
325
326	/* turn on USB power */
327	/* sx1_setusbpower(1); can't do it here because i2c is not ready */
328	gpio_request(1, "A_IRDA_OFF");
329	gpio_request(11, "A_SWITCH");
330	gpio_request(15, "A_USB_ON");
331	gpio_direction_output(1, 1);	/*A_IRDA_OFF = 1 */
332	gpio_direction_output(11, 0);	/*A_SWITCH = 0 */
333	gpio_direction_output(15, 0);	/*A_USB_ON = 0 */
334
335	omapfb_set_lcd_config(&sx1_lcd_config);
336}
337
338MACHINE_START(SX1, "OMAP310 based Siemens SX1")
339	.atag_offset	= 0x100,
340	.map_io		= omap15xx_map_io,
341	.init_early     = omap1_init_early,
342	.init_irq	= omap1_init_irq,
343	.handle_irq	= omap1_handle_irq,
344	.init_machine	= omap_sx1_init,
345	.init_late	= omap1_init_late,
346	.init_time	= omap1_timer_init,
347	.restart	= omap1_restart,
348MACHINE_END
349