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/machine.h>
15#include <linux/gpio/consumer.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/input.h>
19#include <linux/platform_device.h>
20#include <linux/notifier.h>
21#include <linux/mtd/mtd.h>
22#include <linux/mtd/partitions.h>
23#include <linux/mtd/physmap.h>
24#include <linux/types.h>
25#include <linux/i2c.h>
26#include <linux/errno.h>
27#include <linux/export.h>
28#include <linux/omapfb.h>
29#include <linux/platform_data/keypad-omap.h>
30#include <linux/omap-dma.h>
31#include "tc.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 "mux.h"
39#include "board-sx1.h"
40#include "hardware.h"
41#include "usb.h"
42#include "common.h"
43
44/* Write to I2C device */
45int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
46{
47	struct i2c_adapter *adap;
48	int err;
49	struct i2c_msg msg[1];
50	unsigned char data[2];
51
52	adap = i2c_get_adapter(0);
53	if (!adap)
54		return -ENODEV;
55	msg->addr = devaddr;	/* I2C address of chip */
56	msg->flags = 0;
57	msg->len = 2;
58	msg->buf = data;
59	data[0] = regoffset;	/* register num */
60	data[1] = value;		/* register data */
61	err = i2c_transfer(adap, msg, 1);
62	i2c_put_adapter(adap);
63	if (err >= 0)
64		return 0;
65	return err;
66}
67
68/* Read from I2C device */
69int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
70{
71	struct i2c_adapter *adap;
72	int err;
73	struct i2c_msg msg[1];
74	unsigned char data[2];
75
76	adap = i2c_get_adapter(0);
77	if (!adap)
78		return -ENODEV;
79
80	msg->addr = devaddr;	/* I2C address of chip */
81	msg->flags = 0;
82	msg->len = 1;
83	msg->buf = data;
84	data[0] = regoffset;	/* register num */
85	err = i2c_transfer(adap, msg, 1);
86
87	msg->addr = devaddr;	/* I2C address */
88	msg->flags = I2C_M_RD;
89	msg->len = 1;
90	msg->buf = data;
91	err = i2c_transfer(adap, msg, 1);
92	*value = data[0];
93	i2c_put_adapter(adap);
94
95	if (err >= 0)
96		return 0;
97	return err;
98}
99/* set keyboard backlight intensity */
100int sx1_setkeylight(u8 keylight)
101{
102	if (keylight > SOFIA_MAX_LIGHT_VAL)
103		keylight = SOFIA_MAX_LIGHT_VAL;
104	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
105}
106/* get current keylight intensity */
107int sx1_getkeylight(u8 * keylight)
108{
109	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
110}
111/* set LCD backlight intensity */
112int sx1_setbacklight(u8 backlight)
113{
114	if (backlight > SOFIA_MAX_LIGHT_VAL)
115		backlight = SOFIA_MAX_LIGHT_VAL;
116	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
117				  backlight);
118}
119/* get current LCD backlight intensity */
120int sx1_getbacklight (u8 * backlight)
121{
122	return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
123				 backlight);
124}
125/* set LCD backlight power on/off */
126int sx1_setmmipower(u8 onoff)
127{
128	int err;
129	u8 dat = 0;
130	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
131	if (err < 0)
132		return err;
133	if (onoff)
134		dat |= SOFIA_MMILIGHT_POWER;
135	else
136		dat &= ~SOFIA_MMILIGHT_POWER;
137	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
138}
139
140/* set USB power on/off */
141int sx1_setusbpower(u8 onoff)
142{
143	int err;
144	u8 dat = 0;
145	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
146	if (err < 0)
147		return err;
148	if (onoff)
149		dat |= SOFIA_USB_POWER;
150	else
151		dat &= ~SOFIA_USB_POWER;
152	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
153}
154
155EXPORT_SYMBOL(sx1_setkeylight);
156EXPORT_SYMBOL(sx1_getkeylight);
157EXPORT_SYMBOL(sx1_setbacklight);
158EXPORT_SYMBOL(sx1_getbacklight);
159EXPORT_SYMBOL(sx1_setmmipower);
160EXPORT_SYMBOL(sx1_setusbpower);
161
162/*----------- Keypad -------------------------*/
163
164static const unsigned int sx1_keymap[] = {
165	KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
166	KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
167	KEY(4, 1, GROUP_2 | 114), /* voice memo */
168	KEY(4, 2, GROUP_3 | 114), /* voice memo */
169	KEY(0, 0, GROUP_1 | KEY_F12),	/* red button Qt::Key_Hangup */
170	KEY(3, 4, GROUP_1 | KEY_LEFT),
171	KEY(3, 2, GROUP_1 | KEY_DOWN),
172	KEY(3, 1, GROUP_1 | KEY_RIGHT),
173	KEY(3, 0, GROUP_1 | KEY_UP),
174	KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
175	KEY(0, 5, GROUP_1 | KEY_1),
176	KEY(0, 4, GROUP_1 | KEY_2),
177	KEY(0, 3, GROUP_1 | KEY_3),
178	KEY(4, 3, GROUP_1 | KEY_4),
179	KEY(4, 4, GROUP_1 | KEY_5),
180	KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
181	KEY(1, 4, GROUP_1 | KEY_6),
182	KEY(1, 5, GROUP_1 | KEY_7),
183	KEY(1, 3, GROUP_1 | KEY_8),
184	KEY(2, 3, GROUP_1 | KEY_9),
185	KEY(2, 5, GROUP_1 | KEY_0),
186	KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
187	KEY(1, 0, GROUP_1 | KEY_F11),	/* green button Qt::Key_Call */
188	KEY(2, 1, GROUP_1 | KEY_YEN),	/* left soft Qt::Key_Context1 */
189	KEY(2, 2, GROUP_1 | KEY_F8),	/* right soft Qt::Key_Back */
190	KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
191	KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
192	KEY(2, 0, GROUP_1 | KEY_F7),	/* menu Qt::Key_Menu */
193};
194
195static struct resource sx1_kp_resources[] = {
196	[0] = {
197		.start	= INT_KEYBOARD,
198		.end	= INT_KEYBOARD,
199		.flags	= IORESOURCE_IRQ,
200	},
201};
202
203static const struct matrix_keymap_data sx1_keymap_data = {
204	.keymap		= sx1_keymap,
205	.keymap_size	= ARRAY_SIZE(sx1_keymap),
206};
207
208static struct omap_kp_platform_data sx1_kp_data = {
209	.rows		= 6,
210	.cols		= 6,
211	.keymap_data	= &sx1_keymap_data,
212	.delay	= 80,
213};
214
215static 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/*----------- MTD -------------------------*/
226
227static struct mtd_partition sx1_partitions[] = {
228	/* bootloader (U-Boot, etc) in first sector */
229	{
230		.name		= "bootloader",
231		.offset		= 0x01800000,
232		.size		= SZ_128K,
233		.mask_flags	= MTD_WRITEABLE, /* force read-only */
234	},
235	/* bootloader params in the next sector */
236	{
237		.name		= "params",
238		.offset		= MTDPART_OFS_APPEND,
239		.size		= SZ_128K,
240		.mask_flags	= 0,
241	},
242	/* kernel */
243	{
244		.name		= "kernel",
245		.offset		= MTDPART_OFS_APPEND,
246		.size		= SZ_2M - 2 * SZ_128K,
247		.mask_flags	= 0
248	},
249	/* file system */
250	{
251		.name		= "filesystem",
252		.offset		= MTDPART_OFS_APPEND,
253		.size		= MTDPART_SIZ_FULL,
254		.mask_flags	= 0
255	}
256};
257
258static struct physmap_flash_data sx1_flash_data = {
259	.width		= 2,
260	.set_vpp	= omap1_set_vpp,
261	.parts		= sx1_partitions,
262	.nr_parts	= ARRAY_SIZE(sx1_partitions),
263};
264
265/* MTD Intel 4000 flash - new flashes */
266static struct resource sx1_new_flash_resource = {
267	.start		= OMAP_CS0_PHYS,
268	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
269	.flags		= IORESOURCE_MEM,
270};
271
272static struct platform_device sx1_flash_device = {
273	.name		= "physmap-flash",
274	.id		= 0,
275	.dev		= {
276		.platform_data	= &sx1_flash_data,
277	},
278	.num_resources	= 1,
279	.resource	= &sx1_new_flash_resource,
280};
281
282/*----------- USB -------------------------*/
283
284static struct omap_usb_config sx1_usb_config __initdata = {
285	.otg		= 0,
286	.register_dev	= 1,
287	.register_host	= 0,
288	.hmc_mode	= 0,
289	.pins[0]	= 2,
290	.pins[1]	= 0,
291	.pins[2]	= 0,
292};
293
294/*----------- LCD -------------------------*/
295
296static const struct omap_lcd_config sx1_lcd_config __initconst = {
297	.ctrl_name	= "internal",
298};
299
300/*-----------------------------------------*/
301static struct platform_device *sx1_devices[] __initdata = {
302	&sx1_flash_device,
303	&sx1_kp_device,
304};
305
306/*-----------------------------------------*/
307
308static struct gpiod_lookup_table sx1_gpio_table = {
309	.dev_id = NULL,
310	.table = {
311		GPIO_LOOKUP("gpio-0-15", 1, "irda_off",
312			    GPIO_ACTIVE_HIGH),
313		GPIO_LOOKUP("gpio-0-15", 11, "switch",
314			    GPIO_ACTIVE_HIGH),
315		GPIO_LOOKUP("gpio-0-15", 15, "usb_on",
316			    GPIO_ACTIVE_HIGH),
317		{ }
318	},
319};
320
321static void __init omap_sx1_init(void)
322{
323	struct gpio_desc *d;
324
325	/* mux pins for uarts */
326	omap_cfg_reg(UART1_TX);
327	omap_cfg_reg(UART1_RTS);
328	omap_cfg_reg(UART2_TX);
329	omap_cfg_reg(UART2_RTS);
330	omap_cfg_reg(UART3_TX);
331	omap_cfg_reg(UART3_RX);
332
333	platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
334
335	omap_serial_init();
336	omap_register_i2c_bus(1, 100, NULL, 0);
337	omap1_usb_init(&sx1_usb_config);
338	sx1_mmc_init();
339	gpiod_add_lookup_table(&sx1_gpio_table);
340
341	/* turn on USB power */
342	/* sx1_setusbpower(1); can't do it here because i2c is not ready */
343	d = gpiod_get(NULL, "irda_off", GPIOD_OUT_HIGH);
344	if (IS_ERR(d))
345		pr_err("Unable to get IRDA OFF GPIO descriptor\n");
346	else
347		gpiod_put(d);
348	d = gpiod_get(NULL, "switch", GPIOD_OUT_LOW);
349	if (IS_ERR(d))
350		pr_err("Unable to get SWITCH GPIO descriptor\n");
351	else
352		gpiod_put(d);
353	d = gpiod_get(NULL, "usb_on", GPIOD_OUT_LOW);
354	if (IS_ERR(d))
355		pr_err("Unable to get USB ON GPIO descriptor\n");
356	else
357		gpiod_put(d);
358
359	omapfb_set_lcd_config(&sx1_lcd_config);
360}
361
362MACHINE_START(SX1, "OMAP310 based Siemens SX1")
363	.atag_offset	= 0x100,
364	.map_io		= omap1_map_io,
365	.init_early     = omap1_init_early,
366	.init_irq	= omap1_init_irq,
367	.init_machine	= omap_sx1_init,
368	.init_late	= omap1_init_late,
369	.init_time	= omap1_timer_init,
370	.restart	= omap1_restart,
371MACHINE_END
372