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