Commit | Line | Data |
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6fa3eb70 S |
1 | /* K2DH motion sensor driver |
2 | * | |
3 | * | |
4 | * This software program is licensed subject to the GNU General Public License | |
5 | * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html | |
6 | ||
7 | * (C) Copyright 2010 STMicroelectronics | |
8 | * All Rights Reserved | |
9 | */ | |
10 | ||
11 | #include <linux/interrupt.h> | |
12 | #include <linux/i2c.h> | |
13 | #include <linux/slab.h> | |
14 | #include <linux/irq.h> | |
15 | #include <linux/miscdevice.h> | |
16 | #include <asm/uaccess.h> | |
17 | #include <linux/delay.h> | |
18 | #include <linux/input.h> | |
19 | #include <linux/workqueue.h> | |
20 | #include <linux/kobject.h> | |
21 | #include <linux/earlysuspend.h> | |
22 | #include <linux/platform_device.h> | |
23 | #include <asm/atomic.h> | |
24 | #include <linux/module.h> | |
25 | ||
26 | #define MT6582 | |
27 | ||
28 | #ifdef MT6516 | |
29 | #include <mach/mt6516_devs.h> | |
30 | #include <mach/mt6516_typedefs.h> | |
31 | #include <mach/mt6516_gpio.h> | |
32 | #include <mach/mt6516_pll.h> | |
33 | #endif | |
34 | ||
35 | #ifdef MT6573 | |
36 | #include <mach/mt6573_devs.h> | |
37 | #include <mach/mt6573_typedefs.h> | |
38 | #include <mach/mt6573_gpio.h> | |
39 | #include <mach/mt6573_pll.h> | |
40 | #endif | |
41 | ||
42 | #ifdef MT6575 | |
43 | #include <mach/mt_devs.h> | |
44 | #include <mach/mt_typedefs.h> | |
45 | #include <mach/mt_gpio.h> | |
46 | #include <mach/mt_pm_ldo.h> | |
47 | #endif | |
48 | ||
49 | #ifdef MT6577 | |
50 | #include <mach/mt6577_devs.h> | |
51 | #include <mach/mt6577_typedefs.h> | |
52 | #include <mach/mt6577_gpio.h> | |
53 | #include <mach/mt6577_pm_ldo.h> | |
54 | #endif | |
55 | ||
56 | #ifdef MT6572 | |
57 | #include <mach/devs.h> | |
58 | #include <mach/mt_typedefs.h> | |
59 | #include <mach/mt_gpio.h> | |
60 | #include <mach/mt_pm_ldo.h> | |
61 | #endif | |
62 | ||
63 | #ifdef MT6582 | |
64 | #include <mach/devs.h> | |
65 | #include <mach/mt_typedefs.h> | |
66 | #include <mach/mt_gpio.h> | |
67 | #include <mach/mt_pm_ldo.h> | |
68 | #endif | |
69 | ||
70 | #ifdef MT6516 | |
71 | #define POWER_NONE_MACRO MT6516_POWER_NONE | |
72 | #endif | |
73 | ||
74 | #ifdef MT6573 | |
75 | #define POWER_NONE_MACRO MT65XX_POWER_NONE | |
76 | #endif | |
77 | ||
78 | #ifdef MT6575 | |
79 | #define POWER_NONE_MACRO MT65XX_POWER_NONE | |
80 | #endif | |
81 | ||
82 | #ifdef MT6577 | |
83 | #define POWER_NONE_MACRO MT65XX_POWER_NONE | |
84 | #endif | |
85 | ||
86 | #ifdef MT6572 | |
87 | #define POWER_NONE_MACRO MT65XX_POWER_NONE | |
88 | #endif | |
89 | ||
90 | #ifdef MT6582 | |
91 | #define POWER_NONE_MACRO MT65XX_POWER_NONE | |
92 | #endif | |
93 | ||
94 | ||
95 | #include <cust_acc.h> | |
96 | #include <linux/hwmsensor.h> | |
97 | #include <linux/hwmsen_dev.h> | |
98 | #include <linux/sensors_io.h> | |
99 | #include "k2dh.h" | |
100 | #include <linux/hwmsen_helper.h> | |
101 | ||
102 | /*----------------------------------------------------------------------------*/ | |
103 | #define DEBUG 1 | |
104 | /*----------------------------------------------------------------------------*/ | |
105 | //#define CONFIG_K2DH_LOWPASS /*apply low pass filter on output*/ | |
106 | ||
107 | #define K2DH_AXIS_X 0 | |
108 | #define K2DH_AXIS_Y 1 | |
109 | #define K2DH_AXIS_Z 2 | |
110 | #define K2DH_AXES_NUM 3 | |
111 | #define K2DH_DATA_LEN 6 | |
112 | ||
113 | #define K2DH_MODE_LOWPOWER 0 | |
114 | #define K2DH_MODE_NORMAL 1 | |
115 | #define K2DH_MODE_HIGH_RESOLUTION 2 | |
116 | ||
117 | #define CALIBRATION_DATA_AMOUNT 10 | |
118 | ||
119 | #define K2DH_ACCEL_CALIBRATION // Accelerometer Sensor Calibration Enable Feature | |
120 | /*----------------------------------------------------------------------------*/ | |
121 | #define HIGH_RESOLUTION 0x08 | |
122 | ||
123 | #define AXISDATA_REG 0x28 | |
124 | #define WHOAMI_K2DH_ACC 0x33 /* Expctd content for WAI */ | |
125 | ||
126 | /* CONTROL REGISTERS */ | |
127 | #define WHO_AM_I 0x0F /* WhoAmI register */ | |
128 | #define TEMP_CFG_REG 0x1F /* temper sens control reg */ | |
129 | /* ctrl 1: ODR3 ODR2 ODR ODR0 LPen Zenable Yenable Zenable */ | |
130 | #define CTRL_REG1 0x20 /* control reg 1 */ | |
131 | #define CTRL_REG2 0x21 /* control reg 2 */ | |
132 | #define CTRL_REG3 0x22 /* control reg 3 */ | |
133 | #define CTRL_REG4 0x23 /* control reg 4 */ | |
134 | #define CTRL_REG5 0x24 /* control reg 5 */ | |
135 | #define CTRL_REG6 0x25 /* control reg 6 */ | |
136 | ||
137 | #define FIFO_CTRL_REG 0x2E /* FiFo control reg */ | |
138 | ||
139 | #define INT_CFG1 0x30 /* interrupt 1 config */ | |
140 | #define INT_SRC1 0x31 /* interrupt 1 source */ | |
141 | #define INT_THS1 0x32 /* interrupt 1 threshold */ | |
142 | #define INT_DUR1 0x33 /* interrupt 1 duration */ | |
143 | ||
144 | #define INT_CFG2 0x34 /* interrupt 2 config */ | |
145 | #define INT_SRC2 0x35 /* interrupt 2 source */ | |
146 | #define INT_THS2 0x36 /* interrupt 2 threshold */ | |
147 | #define INT_DUR2 0x37 /* interrupt 2 duration */ | |
148 | ||
149 | #define TT_CFG 0x38 /* tap config */ | |
150 | #define TT_SRC 0x39 /* tap source */ | |
151 | #define TT_THS 0x3A /* tap threshold */ | |
152 | #define TT_LIM 0x3B /* tap time limit */ | |
153 | #define TT_TLAT 0x3C /* tap time latency */ | |
154 | #define TT_TW 0x3D /* tap time window */ | |
155 | /* end CONTROL REGISTRES */ | |
156 | ||
157 | #define K2DH_ACC_ENABLE_ALL_AXES 0x07 | |
158 | #define K2DH_ACC_ENABLE_ALL_AXES_MSK 0x07 | |
159 | ||
160 | #define ODR_POWERDOWN_MODE 0x00 /* Power Down Mode */ | |
161 | #define ODR1 0x10 /* 1Hz output data rate */ | |
162 | #define ODR10 0x20 /* 10Hz output data rate */ | |
163 | #define ODR25 0x30 /* 25Hz output data rate */ | |
164 | #define ODR50 0x40 /* 50Hz output data rate */ | |
165 | #define ODR100 0x50 /* 100Hz output data rate */ | |
166 | #define ODR200 0x60 /* 200Hz output data rate */ // default speed | |
167 | #define ODR400 0x70 /* 400Hz output data rate */ | |
168 | #define ODR1344 0x90 /* 1344Hz output data rate */ | |
169 | ||
170 | #define I2C_RETRY_DELAY 5 | |
171 | #define I2C_RETRIES 5 | |
172 | #define I2C_AUTO_INCREMENT 0x80 | |
173 | ||
174 | #define K2DH_LP_EN_MSK 0x08 | |
175 | #define K2DH_LP_EN_POS 3 | |
176 | #define K2DH_LP_EN_REG CTRL_REG1 | |
177 | ||
178 | #define K2DH_HR_MSK 0x08 | |
179 | #define K2DH_HR_POS 3 | |
180 | #define K2DH_HR_REG CTRL_REG4 | |
181 | ||
182 | #define K2DH_FS_MSK 0x30 | |
183 | #define K2DH_FS_POS 4 | |
184 | #define K2DH_FS_REG CTRL_REG4 | |
185 | ||
186 | #define K2DH_ODR_MSK 0xF0 | |
187 | #define K2DH_ODR_POS 4 | |
188 | #define K2DH_ODR_REG CTRL_REG1 | |
189 | ||
190 | #ifdef K2DH_ACCEL_CALIBRATION | |
191 | #define K2DH_SHAKING_DETECT_THRESHOLD (200) //clubsh cal2 50 -> 200 | |
192 | ||
193 | struct K2DHacc{ | |
194 | s16 x, | |
195 | y, | |
196 | z; | |
197 | } ; | |
198 | #endif | |
199 | ||
200 | #define SELF_TEST_2G_MAX_LSB (360) | |
201 | #define SELF_TEST_2G_MIN_LSB (17) | |
202 | #define TESTLIMIT_XY (175) | |
203 | #define TESTLIMIT_Z_USL_LSB (1270) | |
204 | #define TESTLIMIT_Z_LSL_LSB (778) | |
205 | ||
206 | #define READ_DATA_CHECK_CNT (20) | |
207 | ||
208 | /*----------------------------------------------------------------------------*/ | |
209 | static const struct i2c_device_id k2dh_i2c_id[] = {{K2DH_ACC_DEV_NAME,0},{}}; | |
210 | static struct i2c_board_info __initdata k2dh_i2c_info ={ I2C_BOARD_INFO(K2DH_ACC_DEV_NAME, K2DH_ACC_I2C_SAD_L)}; | |
211 | ||
212 | /*----------------------------------------------------------------------------*/ | |
213 | static int k2dh_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); | |
214 | static int k2dh_i2c_remove(struct i2c_client *client); | |
215 | ||
216 | /*----------------------------------------------------------------------------*/ | |
217 | typedef enum { | |
218 | K2DH_TRC_FILTER = 0x01, | |
219 | K2DH_TRC_RAWDATA = 0x02, | |
220 | K2DH_TRC_IOCTL = 0x04, | |
221 | K2DH_TRC_CALI = 0X08, | |
222 | K2DH_TRC_INFO = 0X10, | |
223 | } K2DH_TRC; | |
224 | /*----------------------------------------------------------------------------*/ | |
225 | struct scale_factor{ | |
226 | u8 whole; | |
227 | u8 fraction; | |
228 | }; | |
229 | /*----------------------------------------------------------------------------*/ | |
230 | struct data_resolution { | |
231 | struct scale_factor scalefactor; | |
232 | int sensitivity; | |
233 | }; | |
234 | /*----------------------------------------------------------------------------*/ | |
235 | #ifdef CONFIG_K2DH_LOWPASS | |
236 | #define C_MAX_FIR_LENGTH (32) | |
237 | ||
238 | struct data_filter { | |
239 | s16 raw[C_MAX_FIR_LENGTH][K2DH_AXES_NUM]; | |
240 | int sum[K2DH_AXES_NUM]; | |
241 | int num; | |
242 | int idx; | |
243 | }; | |
244 | #endif | |
245 | /*----------------------------------------------------------------------------*/ | |
246 | struct k2dh_i2c_data { | |
247 | struct i2c_client *client; | |
248 | struct acc_hw *hw; | |
249 | struct hwmsen_convert cvt; | |
250 | ||
251 | /*misc*/ | |
252 | struct data_resolution *reso; | |
253 | atomic_t trace; | |
254 | atomic_t suspend; | |
255 | atomic_t selftest_rslt; | |
256 | atomic_t filter; | |
257 | s16 cali_sw[K2DH_AXES_NUM+1]; | |
258 | ||
259 | /*data*/ | |
260 | //s8 offset[K2DH_AXES_NUM+1]; /*+1: for 4-byte alignment*/ | |
261 | s16 data[K2DH_AXES_NUM+1]; | |
262 | ||
263 | #if defined(CONFIG_K2DH_LOWPASS) | |
264 | atomic_t firlen; | |
265 | atomic_t fir_en; | |
266 | struct data_filter fir; | |
267 | #endif | |
268 | /*early suspend*/ | |
269 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
270 | struct early_suspend early_drv; | |
271 | #endif | |
272 | ||
273 | #ifdef K2DH_ACCEL_CALIBRATION | |
274 | atomic_t fast_calib_x_rslt; | |
275 | atomic_t fast_calib_y_rslt; | |
276 | atomic_t fast_calib_z_rslt; | |
277 | atomic_t fast_calib_rslt; | |
278 | #endif | |
279 | }; | |
280 | /*----------------------------------------------------------------------------*/ | |
281 | static struct i2c_driver k2dh_i2c_driver = { | |
282 | .driver = { | |
283 | .name = K2DH_ACC_DEV_NAME, | |
284 | }, | |
285 | .probe = k2dh_i2c_probe, | |
286 | .remove = k2dh_i2c_remove, | |
287 | #if !defined(CONFIG_HAS_EARLYSUSPEND) | |
288 | .suspend = k2dh_suspend, | |
289 | .resume = k2dh_resume, | |
290 | #endif | |
291 | .id_table = k2dh_i2c_id, | |
292 | }; | |
293 | ||
294 | /*----------------------------------------------------------------------------*/ | |
295 | static struct i2c_client *k2dh_i2c_client = NULL; | |
296 | static struct platform_driver k2dh_gsensor_driver; | |
297 | static struct k2dh_i2c_data *obj_i2c_data = NULL; | |
298 | static bool sensor_power = true; | |
299 | static int test_status = 0; | |
300 | static UINT32 data_read_count = 0; | |
301 | static GSENSOR_VECTOR3D gsensor_gain; | |
302 | ||
303 | /*----------------------------------------------------------------------------*/ | |
304 | #define GSE_TAG "[Gsensor] " | |
305 | #define GSE_FUN(f) printk(KERN_ERR GSE_TAG"%s()\n", __FUNCTION__) | |
306 | #define GSE_ERR(fmt, args...) printk(KERN_ERR GSE_TAG"[ERROR] %s() line=%d : "fmt, __FUNCTION__, __LINE__, ##args) | |
307 | #define GSE_LOG(fmt, args...) printk(KERN_ERR GSE_TAG fmt, ##args) | |
308 | /*----------------------------------------------------------------------------*/ | |
309 | static struct data_resolution K2DH_data_resolution[1] = { | |
310 | /* combination by {FULL_RES,RANGE}*/ | |
311 | {{ 1, 0}, 1024}, // dataformat +/-2g in 12-bit resolution; { 1, 0} = 1.0= (2*2*1000)/(2^12); 1024 = (2^12)/(2*2) | |
312 | }; | |
313 | /*--------------------K2DH power control function----------------------------------*/ | |
314 | static void k2dh_power(struct acc_hw *hw, unsigned int on) | |
315 | { | |
316 | static unsigned int power_on = 0; | |
317 | ||
318 | //if(hw->power_id != POWER_NONE_MACRO) // have externel LDO | |
319 | { | |
320 | GSE_LOG("power %s\n", on ? "on" : "off"); | |
321 | if(power_on == on) // power status not change | |
322 | { | |
323 | GSE_LOG("ignore power control: %d\n", on); | |
324 | } | |
325 | else if(on) // power on | |
326 | { | |
327 | if(!(hw->power(hw, true, "K2DH"))) | |
328 | { | |
329 | GSE_ERR("power on fails!!\n"); | |
330 | } | |
331 | } | |
332 | else // power off | |
333 | { | |
334 | if(!(hw->power(hw, false, "K2DH"))) | |
335 | { | |
336 | GSE_ERR("power off fail!!\n"); | |
337 | } | |
338 | } | |
339 | } | |
340 | power_on = on; | |
341 | } | |
342 | ||
343 | /*----------------------------------------------------------------------------*/ | |
344 | static int k2dh_SetDataResolution(struct k2dh_i2c_data *obj) | |
345 | { | |
346 | /*set g sensor dataresolution here*/ | |
347 | /*end of set dataresolution*/ | |
348 | ||
349 | obj->reso = &K2DH_data_resolution[0]; | |
350 | return 0; | |
351 | ||
352 | /*if you changed the measure range, for example call: K2DH_SetDataFormat(client, K2DH_ACC_G_4G), | |
353 | you must set the right value to K2DH_data_resolution*/ | |
354 | } | |
355 | ||
356 | /*----------------------------------------------------------------------------*/ | |
357 | static int k2dh_ResetCalibration(struct i2c_client *client) | |
358 | { | |
359 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
360 | u8 ofs[4]={0,0,0,0}; | |
361 | int err = 0; | |
362 | ||
363 | memset(obj->cali_sw, 0x00, sizeof(obj->cali_sw)); | |
364 | //memset(obj->offset, 0x00, sizeof(obj->offset)); | |
365 | ||
366 | return err; | |
367 | } | |
368 | ||
369 | static int k2dh_acc_i2c_read(struct i2c_client *client, u8 * buf, int len) | |
370 | { | |
371 | int err = -1; | |
372 | int tries = 0; | |
373 | ||
374 | struct i2c_msg msgs[] = { | |
375 | { | |
376 | .addr = client->addr, | |
377 | .flags = client->flags & I2C_M_TEN, | |
378 | .len = 1, | |
379 | .buf = buf, }, | |
380 | { | |
381 | .addr = client->addr, | |
382 | .flags = (client->flags & I2C_M_TEN) | I2C_M_RD, | |
383 | .len = len, | |
384 | .buf = buf, }, | |
385 | }; | |
386 | ||
387 | #if 1 // SENSOR_I2C_FIX | |
388 | client->adapter->retries = I2C_RETRIES; | |
389 | err = i2c_transfer(client->adapter, msgs, 2); | |
390 | #else | |
391 | do { | |
392 | err = i2c_transfer(client->adapter, msgs, 2); | |
393 | if (err != 2) | |
394 | msleep_interruptible(I2C_RETRY_DELAY); | |
395 | } while ((err != 2) && (++tries < I2C_RETRIES)); | |
396 | #endif | |
397 | ||
398 | if (err != 2) { | |
399 | GSE_ERR("read transfer error: %d\n", err); | |
400 | err = -EIO; | |
401 | } else { | |
402 | err = 0; | |
403 | } | |
404 | ||
405 | return err; | |
406 | } | |
407 | ||
408 | static int k2dh_acc_i2c_write(struct i2c_client *client, u8 * buf, int len) | |
409 | { | |
410 | int err = -1; | |
411 | int tries = 0; | |
412 | ||
413 | struct i2c_msg msgs[] = { { .addr = client->addr, | |
414 | .flags = client->flags & I2C_M_TEN, | |
415 | .len = len + 1, .buf = buf, }, }; | |
416 | ||
417 | #if 1 // SENSOR_I2C_FIX | |
418 | client->adapter->retries = I2C_RETRIES; | |
419 | err = i2c_transfer(client->adapter, msgs, 1); | |
420 | #else | |
421 | do { | |
422 | err = i2c_transfer(client->adapter, msgs, 1); | |
423 | if (err != 1) | |
424 | msleep_interruptible(I2C_RETRY_DELAY); | |
425 | } while ((err != 1) && (++tries < I2C_RETRIES)); | |
426 | #endif | |
427 | ||
428 | if (err != 1) { | |
429 | GSE_ERR("write transfer error: %d\n", err); | |
430 | err = -EIO; | |
431 | } else { | |
432 | err = 0; | |
433 | } | |
434 | ||
435 | return err; | |
436 | } | |
437 | ||
438 | static int k2dh_acc_register_write(struct i2c_client *client, u8 *buf, u8 reg_address, u8 new_value) | |
439 | { | |
440 | int err = -1; | |
441 | ||
442 | buf[0] = reg_address; | |
443 | buf[1] = new_value; | |
444 | ||
445 | err = k2dh_acc_i2c_write(client, buf, 1); | |
446 | if(err != K2DH_SUCCESS) | |
447 | { | |
448 | return err; | |
449 | } | |
450 | return err; | |
451 | } | |
452 | ||
453 | static int k2dh_acc_register_read(struct i2c_client *client, u8 *buf, u8 reg_address) | |
454 | { | |
455 | int err = -1; | |
456 | buf[0] = (reg_address); | |
457 | err = k2dh_acc_i2c_read(client, buf, 1); | |
458 | return err; | |
459 | } | |
460 | ||
461 | static int k2dh_acc_register_update(struct i2c_client *client, u8 *buf, u8 reg_address, u8 mask, u8 new_bit_values) | |
462 | { | |
463 | int err = -1; | |
464 | u8 init_val; | |
465 | u8 updated_val; | |
466 | ||
467 | err = k2dh_acc_register_read(client, buf, reg_address); | |
468 | if(err == K2DH_SUCCESS) | |
469 | { | |
470 | init_val = buf[0]; | |
471 | updated_val = ((mask & new_bit_values) | ((~mask) & init_val)); | |
472 | err = k2dh_acc_register_write(client, buf, reg_address, updated_val); | |
473 | } | |
474 | return err; | |
475 | } | |
476 | ||
477 | static int k2dh_CheckDeviceID(struct i2c_client *client) | |
478 | { | |
479 | u8 databuf[2] = {0,0}; | |
480 | int res = -1; | |
481 | ||
482 | GSE_FUN(); | |
483 | ||
484 | memset(databuf, 0, sizeof(u8)*2); | |
485 | databuf[0] = WHO_AM_I; | |
486 | ||
487 | res = k2dh_acc_i2c_read(client, databuf, 1); | |
488 | if(res != K2DH_SUCCESS) | |
489 | { | |
490 | res = k2dh_acc_i2c_read(client, databuf, 1); | |
491 | if(res != K2DH_SUCCESS) | |
492 | { | |
493 | goto exit_k2dh_CheckDeviceID; | |
494 | } | |
495 | } | |
496 | ||
497 | //udelay(500); | |
498 | ||
499 | if(databuf[0] != WHOAMI_K2DH_ACC) | |
500 | { | |
501 | GSE_ERR("device unknown. Expected: 0x%x, Replies: 0x%x\n", WHOAMI_K2DH_ACC, databuf[0]); | |
502 | return K2DH_ERR_IDENTIFICATION; | |
503 | } | |
504 | else | |
505 | { | |
506 | GSE_LOG("k2dh_CheckDeviceID %d pass! \n", databuf[0]); | |
507 | } | |
508 | ||
509 | exit_k2dh_CheckDeviceID: | |
510 | if(res != K2DH_SUCCESS) | |
511 | { | |
512 | return K2DH_ERR_I2C; | |
513 | } | |
514 | ||
515 | return K2DH_SUCCESS; | |
516 | } | |
517 | ||
518 | /*----------------------------------------------------------------------------*/ | |
519 | static int k2dh_SetBWRate(struct i2c_client *client, u8 bwrate) | |
520 | { // bwrate : ODRxxx | |
521 | int res = -1; | |
522 | u8 databuf[2] = {0,0}; | |
523 | ||
524 | u8 new_val = bwrate | K2DH_ACC_ENABLE_ALL_AXES; | |
525 | u8 mask = K2DH_ODR_MSK | K2DH_ACC_ENABLE_ALL_AXES_MSK; | |
526 | ||
527 | res = k2dh_acc_register_update(client, databuf, CTRL_REG1, mask, new_val); | |
528 | if(res != K2DH_SUCCESS) | |
529 | { | |
530 | GSE_ERR("update odr failed, 0x%x, 0x%x : %d\n", databuf[0], databuf[1], res); | |
531 | return K2DH_ERR_I2C; | |
532 | } | |
533 | else | |
534 | { | |
535 | GSE_LOG("Set BWrate : 0x%02x\n", bwrate); | |
536 | } | |
537 | ||
538 | return K2DH_SUCCESS; | |
539 | } | |
540 | ||
541 | /*----------------------------------------------------------------------------*/ | |
542 | static int k2dh_SetPowerMode(struct i2c_client *client, bool enable) | |
543 | { // power mode controled by operating Bandwidth(ODR-Hz) | |
544 | GSE_FUN(); | |
545 | ||
546 | int res = -1; | |
547 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
548 | ||
549 | if(enable == sensor_power ) | |
550 | { | |
551 | GSE_LOG("Sensor power status is newest!\n"); | |
552 | return K2DH_SUCCESS; | |
553 | } | |
554 | ||
555 | if(enable == TRUE) | |
556 | { | |
557 | res = k2dh_SetBWRate(client, ODR200); // operating mode as 200HZ | |
558 | } | |
559 | else | |
560 | { | |
561 | res = k2dh_SetBWRate(client, ODR_POWERDOWN_MODE); // power down mode | |
562 | } | |
563 | ||
564 | if(res != K2DH_SUCCESS) | |
565 | { | |
566 | GSE_LOG("set power mode failed!\n"); | |
567 | return K2DH_ERR_I2C; | |
568 | } | |
569 | else | |
570 | { | |
571 | GSE_LOG("set power mode ok: "); | |
572 | } | |
573 | ||
574 | sensor_power = enable; | |
575 | test_status = sensor_power; | |
576 | ||
577 | //mdelay(20); | |
578 | ||
579 | return K2DH_SUCCESS; | |
580 | } | |
581 | ||
582 | /*----------------------------------------------------------------------------*/ | |
583 | static int k2dh_SetDataFormat(struct i2c_client *client, u8 dataformat) | |
584 | { // dataformat : K2DH_ACC_G_2G . K2DH_ACC_G_4G. K2DH_ACC_G_8G. K2DH_ACC_G_16G | |
585 | ||
586 | int res = -1; | |
587 | ||
588 | u8 buf[2] = {0,0}; | |
589 | u8 updated_val = 0; | |
590 | u8 init_val = 0; | |
591 | u8 new_val = 0; | |
592 | u8 mask = K2DH_ACC_FS_MASK | HIGH_RESOLUTION; | |
593 | ||
594 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
595 | ||
596 | ||
597 | buf[0] = CTRL_REG4; | |
598 | res = k2dh_acc_i2c_read(client, buf, 1); | |
599 | if(res != K2DH_SUCCESS) | |
600 | { | |
601 | goto error; | |
602 | } | |
603 | else | |
604 | { | |
605 | init_val = buf[0]; | |
606 | new_val = dataformat | HIGH_RESOLUTION; | |
607 | updated_val = ((mask & new_val) | ((~mask) & init_val)); | |
608 | buf[1] = updated_val; | |
609 | buf[0] = CTRL_REG4; | |
610 | res = k2dh_acc_i2c_write(client, buf, 1); | |
611 | if(res != K2DH_SUCCESS) | |
612 | { | |
613 | goto error; | |
614 | } | |
615 | else | |
616 | { | |
617 | GSE_LOG("Set DataFormat: 0x%02x\n", dataformat); | |
618 | } | |
619 | } | |
620 | ||
621 | return k2dh_SetDataResolution(obj); | |
622 | ||
623 | error: | |
624 | GSE_ERR("update g range failed 0x%x, 0x%x: %d\n", buf[0], buf[1], res); | |
625 | ||
626 | return res; | |
627 | } | |
628 | ||
629 | /*----------------------------------------------------------------------------*/ | |
630 | static int k2dh_SetIntEnable(struct i2c_client *client, u8 intenable) | |
631 | { | |
632 | int res = -1; | |
633 | u8 databuf[2] = {0, 0}; | |
634 | ||
635 | databuf[1] = 0x00; | |
636 | databuf[0] = INT_CFG1; | |
637 | ||
638 | res = k2dh_acc_i2c_read(client, databuf, 1); | |
639 | if(res != K2DH_SUCCESS) | |
640 | { | |
641 | GSE_ERR("Interrupt configuration failed, 0x%x, 0x%x : %d\n", databuf[0], databuf[1], res); | |
642 | return K2DH_ERR_I2C; | |
643 | } | |
644 | ||
645 | databuf[0] = INT_CFG2; | |
646 | res = k2dh_acc_i2c_read(client, databuf, 1); | |
647 | if(res != K2DH_SUCCESS) | |
648 | { | |
649 | GSE_ERR("Interrupt configuration failed, 0x%x, 0x%x : %d\n", databuf[0], databuf[1], res); | |
650 | return K2DH_ERR_I2C; | |
651 | } | |
652 | GSE_LOG("K2DH Interrupt was configured\n"); | |
653 | ||
654 | return K2DH_SUCCESS; | |
655 | } | |
656 | ||
657 | ||
658 | static int k2dh_init_client(struct i2c_client *client) | |
659 | { | |
660 | int err = -1; | |
661 | u8 buf[7] = {0}; | |
662 | ||
663 | buf[0] = CTRL_REG1; | |
664 | buf[1] = K2DH_ACC_ENABLE_ALL_AXES; | |
665 | err = k2dh_acc_i2c_write(client, buf, 1); | |
666 | if (err < 0) | |
667 | goto error; | |
668 | ||
669 | buf[0] = TEMP_CFG_REG; | |
670 | buf[1] = 0x00; | |
671 | err = k2dh_acc_i2c_write(client, buf, 1); | |
672 | if (err < 0) | |
673 | goto error; | |
674 | ||
675 | buf[0] = FIFO_CTRL_REG; | |
676 | buf[1] = 0x00; | |
677 | err = k2dh_acc_i2c_write(client, buf, 1); | |
678 | if (err < 0) | |
679 | goto error; | |
680 | ||
681 | buf[0] = (I2C_AUTO_INCREMENT | TT_THS); | |
682 | buf[1] = 0x00; | |
683 | buf[2] = 0x00; | |
684 | buf[3] = 0x00; | |
685 | buf[4] = 0x00; | |
686 | err = k2dh_acc_i2c_write(client, buf, 4); | |
687 | if (err < 0) | |
688 | goto error; | |
689 | buf[0] = TT_CFG; | |
690 | buf[1] = 0x00; | |
691 | err = k2dh_acc_i2c_write(client, buf, 1); | |
692 | if (err < 0) | |
693 | goto error; | |
694 | ||
695 | buf[0] = (I2C_AUTO_INCREMENT | INT_THS1); | |
696 | buf[1] = 0x00; | |
697 | buf[2] = 0x00; | |
698 | err = k2dh_acc_i2c_write(client, buf, 2); | |
699 | if (err < 0) | |
700 | goto error; | |
701 | buf[0] = INT_CFG1; | |
702 | buf[1] = 0x00; | |
703 | err = k2dh_acc_i2c_write(client, buf, 1); | |
704 | if (err < 0) | |
705 | goto error; | |
706 | ||
707 | buf[0] = (I2C_AUTO_INCREMENT | INT_THS2); | |
708 | buf[1] = 0x00; | |
709 | buf[2] = 0x00; | |
710 | err = k2dh_acc_i2c_write(client, buf, 2); | |
711 | if (err < 0) | |
712 | goto error; | |
713 | buf[0] = INT_CFG2; | |
714 | buf[1] = 0x00; | |
715 | err = k2dh_acc_i2c_write(client, buf, 1); | |
716 | if (err < 0) | |
717 | goto error; | |
718 | ||
719 | buf[0] = (I2C_AUTO_INCREMENT | CTRL_REG2); | |
720 | buf[1] = 0x00; | |
721 | buf[2] = 0x00; | |
722 | buf[3] = 0x00; | |
723 | buf[4] = 0x00; | |
724 | buf[5] = 0x00; | |
725 | err = k2dh_acc_i2c_write(client, buf, 5); | |
726 | if (err < 0) | |
727 | goto error; | |
728 | ||
729 | GSE_LOG("k2dh_init_client : hw init done\n"); | |
730 | return K2DH_SUCCESS; | |
731 | ||
732 | error: | |
733 | GSE_ERR("hw init error 0x%x, 0x%x: %d\n", buf[0], buf[1], err); | |
734 | ||
735 | return err; | |
736 | } | |
737 | ||
738 | static int k2dh_acc_hw_init(struct i2c_client *client, int reset_cali) | |
739 | { | |
740 | int res = -1; | |
741 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
742 | ||
743 | GSE_FUN(); | |
744 | ||
745 | res = k2dh_CheckDeviceID(client); | |
746 | if(res != K2DH_SUCCESS) | |
747 | { | |
748 | return res; | |
749 | } | |
750 | ||
751 | res = k2dh_init_client(client); | |
752 | if(res != K2DH_SUCCESS) | |
753 | { | |
754 | return res; | |
755 | } | |
756 | ||
757 | res = k2dh_SetBWRate(client, ODR200); | |
758 | if(res != K2DH_SUCCESS ) | |
759 | { | |
760 | return res; | |
761 | } | |
762 | ||
763 | res = k2dh_SetDataFormat(client, K2DH_ACC_G_2G); | |
764 | if(res != K2DH_SUCCESS) | |
765 | { | |
766 | return res; | |
767 | } | |
768 | ||
769 | gsensor_gain.x = gsensor_gain.y = gsensor_gain.z = obj->reso->sensitivity; | |
770 | ||
771 | res = k2dh_SetIntEnable(client, 0x00); // interrupt disable | |
772 | if(res != K2DH_SUCCESS) | |
773 | { | |
774 | return res; | |
775 | } | |
776 | ||
777 | res = k2dh_SetPowerMode(client, false); | |
778 | if(res != K2DH_SUCCESS) | |
779 | { | |
780 | return res; | |
781 | } | |
782 | ||
783 | if(0 != reset_cali) | |
784 | { | |
785 | /*reset calibration only in power on*/ | |
786 | res = k2dh_ResetCalibration(client); | |
787 | if(res != K2DH_SUCCESS) | |
788 | { | |
789 | return res; | |
790 | } | |
791 | } | |
792 | ||
793 | #ifdef CONFIG_K2DH_LOWPASS | |
794 | memset(&obj->fir, 0x00, sizeof(obj->fir)); | |
795 | #endif | |
796 | ||
797 | //mdelay(20); | |
798 | ||
799 | return K2DH_SUCCESS; | |
800 | } | |
801 | /*----------------------------------------------------------------------------*/ | |
802 | static int k2dh_ReadChipInfo(struct i2c_client *client, char *buf, int bufsize) | |
803 | { | |
804 | u8 databuf[10] = {0}; | |
805 | ||
806 | memset(databuf, 0, sizeof(u8)*10); | |
807 | ||
808 | if((NULL == buf)||(bufsize<=30)) | |
809 | { | |
810 | return -1; | |
811 | } | |
812 | ||
813 | if(NULL == client) | |
814 | { | |
815 | *buf = 0; | |
816 | return -2; | |
817 | } | |
818 | ||
819 | sprintf(buf, "K2DH Chip"); | |
820 | return 0; | |
821 | } | |
822 | /*----------------------------------------------------------------------------*/ | |
823 | ||
824 | ||
825 | /*----------------------------------------------------------------------------*/ | |
826 | #if 1 | |
827 | static s16 prev_data[K2DH_AXES_NUM] = {0,0,0}; | |
828 | static s16 check_cnt = 0; | |
829 | #endif | |
830 | ||
831 | static int k2dh_ReadData(struct i2c_client *client, s16 data[K2DH_AXES_NUM]) | |
832 | { | |
833 | struct k2dh_i2c_data *priv = i2c_get_clientdata(client); | |
834 | u8 acc_data[K2DH_DATA_LEN] = {0}; | |
835 | int err = -1; | |
836 | ||
837 | acc_data[0] = (I2C_AUTO_INCREMENT | AXISDATA_REG); | |
838 | ||
839 | if(NULL == client) | |
840 | { | |
841 | err = -EINVAL; | |
842 | } | |
843 | else if((err = k2dh_acc_i2c_read(client, acc_data, K2DH_DATA_LEN)) != K2DH_SUCCESS) | |
844 | { | |
845 | GSE_ERR("I2C read error: %d\n", err); | |
846 | } | |
847 | else | |
848 | { | |
849 | /* Convert sensor raw data to 16-bit integer */ | |
850 | data[K2DH_AXIS_X] = (((s16) ((acc_data[1] << 8) | acc_data[0])) >> 4); | |
851 | data[K2DH_AXIS_Y] = (((s16) ((acc_data[3] << 8) | acc_data[2])) >> 4); | |
852 | data[K2DH_AXIS_Z] = (((s16) ((acc_data[5] << 8) | acc_data[4])) >> 4); | |
853 | ||
854 | #if 1 | |
855 | if((prev_data[K2DH_AXIS_X] == data[K2DH_AXIS_X]) && (prev_data[K2DH_AXIS_Y] == data[K2DH_AXIS_Y]) && (prev_data[K2DH_AXIS_Z] == data[K2DH_AXIS_Z])) | |
856 | { | |
857 | check_cnt++; | |
858 | if(check_cnt >= READ_DATA_CHECK_CNT) // read data same case | |
859 | { | |
860 | GSE_ERR("READ DATA SAME CASE : (%d %d %d)\n", data[K2DH_AXIS_X], data[K2DH_AXIS_Y],data[K2DH_AXIS_Z]); | |
861 | ||
862 | // Try recovery the malfunction by change Power Down mode and ODR200 | |
863 | k2dh_SetBWRate(client, ODR_POWERDOWN_MODE); // power down mode | |
864 | msleep(100); | |
865 | k2dh_SetBWRate(client, ODR200); // operating mode as 200HZ | |
866 | check_cnt = 0; | |
867 | } | |
868 | } | |
869 | else | |
870 | { | |
871 | prev_data[K2DH_AXIS_X] =data[K2DH_AXIS_X]; | |
872 | prev_data[K2DH_AXIS_Y] =data[K2DH_AXIS_Y]; | |
873 | prev_data[K2DH_AXIS_Z] =data[K2DH_AXIS_Z]; | |
874 | check_cnt = 0; | |
875 | } | |
876 | #endif | |
877 | ||
878 | if(atomic_read(&priv->trace) & K2DH_TRC_RAWDATA) | |
879 | { | |
880 | GSE_LOG("gsensor raw data: x=%d, y=%d, z=%d!\n", data[K2DH_AXIS_X], data[K2DH_AXIS_Y], data[K2DH_AXIS_Z]); | |
881 | } | |
882 | #ifdef CONFIG_K2DH_LOWPASS | |
883 | if(atomic_read(&priv->filter)) | |
884 | { | |
885 | if(atomic_read(&priv->fir_en) && !atomic_read(&priv->suspend)) | |
886 | { | |
887 | int idx, firlen = atomic_read(&priv->firlen); | |
888 | if(priv->fir.num < firlen) | |
889 | { | |
890 | priv->fir.raw[priv->fir.num][K2DH_AXIS_X] = data[K2DH_AXIS_X]; | |
891 | priv->fir.raw[priv->fir.num][K2DH_AXIS_Y] = data[K2DH_AXIS_Y]; | |
892 | priv->fir.raw[priv->fir.num][K2DH_AXIS_Z] = data[K2DH_AXIS_Z]; | |
893 | priv->fir.sum[K2DH_AXIS_X] += data[K2DH_AXIS_X]; | |
894 | priv->fir.sum[K2DH_AXIS_Y] += data[K2DH_AXIS_Y]; | |
895 | priv->fir.sum[K2DH_AXIS_Z] += data[K2DH_AXIS_Z]; | |
896 | if(atomic_read(&priv->trace) & K2DH_TRC_FILTER) | |
897 | { | |
898 | GSE_LOG("add [%2d] [%5d %5d %5d] => [%5d %5d %5d]\n", priv->fir.num, | |
899 | priv->fir.raw[priv->fir.num][K2DH_AXIS_X], priv->fir.raw[priv->fir.num][K2DH_AXIS_Y], priv->fir.raw[priv->fir.num][K2DH_AXIS_Z], | |
900 | priv->fir.sum[K2DH_AXIS_X], priv->fir.sum[K2DH_AXIS_Y], priv->fir.sum[K2DH_AXIS_Z]); | |
901 | } | |
902 | priv->fir.num++; | |
903 | priv->fir.idx++; | |
904 | } | |
905 | else | |
906 | { | |
907 | idx = priv->fir.idx % firlen; | |
908 | priv->fir.sum[K2DH_AXIS_X] -= priv->fir.raw[idx][K2DH_AXIS_X]; | |
909 | priv->fir.sum[K2DH_AXIS_Y] -= priv->fir.raw[idx][K2DH_AXIS_Y]; | |
910 | priv->fir.sum[K2DH_AXIS_Z] -= priv->fir.raw[idx][K2DH_AXIS_Z]; | |
911 | priv->fir.raw[idx][K2DH_AXIS_X] = data[K2DH_AXIS_X]; | |
912 | priv->fir.raw[idx][K2DH_AXIS_Y] = data[K2DH_AXIS_Y]; | |
913 | priv->fir.raw[idx][K2DH_AXIS_Z] = data[K2DH_AXIS_Z]; | |
914 | priv->fir.sum[K2DH_AXIS_X] += data[K2DH_AXIS_X]; | |
915 | priv->fir.sum[K2DH_AXIS_Y] += data[K2DH_AXIS_Y]; | |
916 | priv->fir.sum[K2DH_AXIS_Z] += data[K2DH_AXIS_Z]; | |
917 | priv->fir.idx++; | |
918 | data[K2DH_AXIS_X] = priv->fir.sum[K2DH_AXIS_X]/firlen; | |
919 | data[K2DH_AXIS_Y] = priv->fir.sum[K2DH_AXIS_Y]/firlen; | |
920 | data[K2DH_AXIS_Z] = priv->fir.sum[K2DH_AXIS_Z]/firlen; | |
921 | if(atomic_read(&priv->trace) & K2DH_TRC_FILTER) | |
922 | { | |
923 | GSE_LOG("add [%2d] [%5d %5d %5d] => [%5d %5d %5d] : [%5d %5d %5d]\n", idx, | |
924 | priv->fir.raw[idx][K2DH_AXIS_X], priv->fir.raw[idx][K2DH_AXIS_Y], priv->fir.raw[idx][K2DH_AXIS_Z], | |
925 | priv->fir.sum[K2DH_AXIS_X], priv->fir.sum[K2DH_AXIS_Y], priv->fir.sum[K2DH_AXIS_Z], | |
926 | data[K2DH_AXIS_X], data[K2DH_AXIS_Y], data[K2DH_AXIS_Z]); | |
927 | } | |
928 | } | |
929 | } | |
930 | } | |
931 | #endif | |
932 | } | |
933 | return err; | |
934 | } | |
935 | /*----------------------------------------------------------------------------*/ | |
936 | static int k2dh_ReadSensorData(struct i2c_client *client, char *buf, int bufsize) | |
937 | { | |
938 | struct k2dh_i2c_data *obj = (struct k2dh_i2c_data*)i2c_get_clientdata(client); | |
939 | u8 databuf[20] = {0}; | |
940 | int acc[K2DH_AXES_NUM] = {0}; | |
941 | int res = -1; | |
942 | memset(databuf, 0, sizeof(u8)*10); | |
943 | ||
944 | if(NULL == buf) | |
945 | { | |
946 | return -1; | |
947 | } | |
948 | if(NULL == client) | |
949 | { | |
950 | *buf = 0; | |
951 | return -2; | |
952 | } | |
953 | ||
954 | if(sensor_power == FALSE) | |
955 | { | |
956 | res = k2dh_SetPowerMode(client, true); | |
957 | if(res) | |
958 | { | |
959 | GSE_ERR("Power on K2DH error %d!\n", res); | |
960 | } | |
961 | } | |
962 | ||
963 | if(res = k2dh_ReadData(client, obj->data)) | |
964 | { | |
965 | GSE_ERR("I2C error: ret value=%d", res); | |
966 | return -3; | |
967 | } | |
968 | else | |
969 | { | |
970 | data_read_count++; | |
971 | if(data_read_count >= 2147483647) | |
972 | { | |
973 | data_read_count =0; | |
974 | } | |
975 | ||
976 | obj->data[K2DH_AXIS_X] -= obj->cali_sw[K2DH_AXIS_X]; | |
977 | obj->data[K2DH_AXIS_Y] -= obj->cali_sw[K2DH_AXIS_Y]; | |
978 | obj->data[K2DH_AXIS_Z] -= obj->cali_sw[K2DH_AXIS_Z]; | |
979 | ||
980 | //printk("cali_sw x=%d, y=%d, z=%d \n",obj->cali_sw[K2DH_AXIS_X],obj->cali_sw[K2DH_AXIS_Y],obj->cali_sw[K2DH_AXIS_Z]); | |
981 | ||
982 | /*remap coordinate*/ | |
983 | acc[obj->cvt.map[K2DH_AXIS_X]] = obj->cvt.sign[K2DH_AXIS_X]*obj->data[K2DH_AXIS_X]; | |
984 | acc[obj->cvt.map[K2DH_AXIS_Y]] = obj->cvt.sign[K2DH_AXIS_Y]*obj->data[K2DH_AXIS_Y]; | |
985 | acc[obj->cvt.map[K2DH_AXIS_Z]] = obj->cvt.sign[K2DH_AXIS_Z]*obj->data[K2DH_AXIS_Z]; | |
986 | //printk("cvt x=%d, y=%d, z=%d \n",obj->cvt.sign[K2DH_AXIS_X],obj->cvt.sign[K2DH_AXIS_Y],obj->cvt.sign[K2DH_AXIS_Z]); | |
987 | ||
988 | if(atomic_read(&obj->trace) & K2DH_TRC_RAWDATA) | |
989 | { | |
990 | //GSE_LOG("Mapped gsensor data: x=%d, y=%d, z=%d!\n", acc[K2DH_AXIS_X], acc[K2DH_AXIS_Y], acc[K2DH_AXIS_Z]); | |
991 | } | |
992 | ||
993 | //Out put the mg | |
994 | //printk("mg acc=%d, GRAVITY=%d, sensityvity=%d \n",acc[K2DH_AXIS_X],GRAVITY_EARTH_1000,obj->reso->sensitivity); | |
995 | acc[K2DH_AXIS_X] = acc[K2DH_AXIS_X] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; | |
996 | acc[K2DH_AXIS_Y] = acc[K2DH_AXIS_Y] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; | |
997 | acc[K2DH_AXIS_Z] = acc[K2DH_AXIS_Z] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; | |
998 | ||
999 | sprintf(buf, "%04x %04x %04x %x", acc[K2DH_AXIS_X], acc[K2DH_AXIS_Y], acc[K2DH_AXIS_Z], data_read_count); | |
1000 | if(atomic_read(&obj->trace) & K2DH_TRC_IOCTL) | |
1001 | { | |
1002 | GSE_LOG("gsensor data: x=%d, y=%d, z=%d!\n", acc[K2DH_AXIS_X], acc[K2DH_AXIS_Y], acc[K2DH_AXIS_Z]); | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | static int k2dh_read_accel_raw_data(struct k2dh_acc *acc) | |
1010 | { | |
1011 | int err; | |
1012 | unsigned char acc_data[6] = {0}; | |
1013 | s16 temp; | |
1014 | ||
1015 | acc_data[0] = (I2C_AUTO_INCREMENT | AXISDATA_REG); | |
1016 | } | |
1017 | ||
1018 | static int k2dh_do_calibration(void) | |
1019 | { | |
1020 | struct K2DHacc acc_cal = {0, }; | |
1021 | struct K2DHacc acc_cal_pre = {0, }; | |
1022 | int sum[3] = {0, }; | |
1023 | int err = 0; | |
1024 | int i; | |
1025 | ||
1026 | struct i2c_client *client = k2dh_i2c_client; | |
1027 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
1028 | ||
1029 | err = k2dh_ReadData(client, &acc_cal_pre); | |
1030 | if(err < 0) | |
1031 | { | |
1032 | GSE_ERR("%s : k2dh_ReadData() failed\n", __func__); | |
1033 | return err; | |
1034 | } | |
1035 | ||
1036 | for(i = 0; i < CALIBRATION_DATA_AMOUNT; i++) | |
1037 | { | |
1038 | mdelay(20); | |
1039 | err = k2dh_ReadData(client, &acc_cal); | |
1040 | if(err < 0) | |
1041 | { | |
1042 | GSE_ERR("%s : k2dh_ReadData() failed in the %dth loop\n", __func__, i); | |
1043 | return err; | |
1044 | } | |
1045 | ||
1046 | GSE_LOG(KERN_INFO "===============moved x=============== timeout = %d\n", i); | |
1047 | GSE_LOG(KERN_INFO "(%d, %d, %d) (%d, %d, %d)\n", acc_cal_pre.x, acc_cal_pre.y, acc_cal_pre.z, acc_cal.x,acc_cal.y,acc_cal.z ); | |
1048 | ||
1049 | if((abs(acc_cal.x - acc_cal_pre.x) > K2DH_SHAKING_DETECT_THRESHOLD) | |
1050 | || (abs((acc_cal.y - acc_cal_pre.y)) > K2DH_SHAKING_DETECT_THRESHOLD) | |
1051 | || (abs((acc_cal.z - acc_cal_pre.z)) > K2DH_SHAKING_DETECT_THRESHOLD)) | |
1052 | { | |
1053 | atomic_set(&obj->fast_calib_rslt, 0); | |
1054 | GSE_LOG(KERN_INFO "===============shaking x===============\n"); | |
1055 | return -EINVAL; | |
1056 | } | |
1057 | else | |
1058 | { | |
1059 | sum[K2DH_AXIS_X] += acc_cal.x; | |
1060 | sum[K2DH_AXIS_Y] += acc_cal.y; | |
1061 | sum[K2DH_AXIS_Z] += acc_cal.z; | |
1062 | ||
1063 | acc_cal_pre.x = acc_cal.x; | |
1064 | acc_cal_pre.y = acc_cal.y; | |
1065 | acc_cal_pre.z = acc_cal.z; | |
1066 | } | |
1067 | ||
1068 | GSE_LOG("calibration sum data (%d, %d, %d)\n", sum[K2DH_AXIS_X], sum[K2DH_AXIS_Y], sum[K2DH_AXIS_Z]); | |
1069 | GSE_LOG(KERN_INFO "===============timeout_shaking: %d=============== \n",i); | |
1070 | } | |
1071 | ||
1072 | GSE_LOG(KERN_INFO "===============complete shaking x check===============\n"); | |
1073 | ||
1074 | #if 1 | |
1075 | // check zero-g offset | |
1076 | if((abs(sum[K2DH_AXIS_X]/CALIBRATION_DATA_AMOUNT) >TESTLIMIT_XY) || | |
1077 | (abs(sum[K2DH_AXIS_Y]/CALIBRATION_DATA_AMOUNT) >TESTLIMIT_XY) || | |
1078 | ((abs(sum[K2DH_AXIS_Z]/CALIBRATION_DATA_AMOUNT) > TESTLIMIT_Z_USL_LSB) || (abs(sum[K2DH_AXIS_Z]/CALIBRATION_DATA_AMOUNT) < TESTLIMIT_Z_LSL_LSB))) | |
1079 | { | |
1080 | GSE_LOG("Calibration zero-g offset check failed (%d, %d, %d)\n", sum[K2DH_AXIS_X]/CALIBRATION_DATA_AMOUNT, | |
1081 | sum[K2DH_AXIS_Y]/CALIBRATION_DATA_AMOUNT, sum[K2DH_AXIS_Z]/CALIBRATION_DATA_AMOUNT); | |
1082 | atomic_set(&obj->fast_calib_rslt, 0); | |
1083 | return -EINVAL; | |
1084 | } | |
1085 | #endif | |
1086 | ||
1087 | obj->cali_sw[K2DH_AXIS_X] = sum[K2DH_AXIS_X] / CALIBRATION_DATA_AMOUNT; //K2DH(12bit) 0+-154 | |
1088 | obj->cali_sw[K2DH_AXIS_Y] = sum[K2DH_AXIS_Y] / CALIBRATION_DATA_AMOUNT; //K2DH(12bit) 0+-154 | |
1089 | ||
1090 | if(sum[K2DH_AXIS_Z] < 0) | |
1091 | { | |
1092 | obj->cali_sw[K2DH_AXIS_Z] = (sum[K2DH_AXIS_Z] / CALIBRATION_DATA_AMOUNT) + 1024; // K2DH(12bit) 1024 +- 226 | |
1093 | } | |
1094 | else | |
1095 | { | |
1096 | obj->cali_sw[K2DH_AXIS_Z] = (sum[K2DH_AXIS_Z] / CALIBRATION_DATA_AMOUNT) - 1024; // K2DH(12bit) 1024 +- 226 | |
1097 | } | |
1098 | ||
1099 | GSE_LOG("%s : calibration data (%d, %d, %d)\n", __func__, obj->cali_sw[K2DH_AXIS_X], obj->cali_sw[K2DH_AXIS_Y], obj->cali_sw[K2DH_AXIS_Z]); | |
1100 | ||
1101 | return err; | |
1102 | } | |
1103 | ||
1104 | #if 1 | |
1105 | static int k2dh_get_selftest(struct i2c_client *client) | |
1106 | { | |
1107 | int val, i; | |
1108 | int en_state = 0; | |
1109 | ||
1110 | unsigned char x[8]; | |
1111 | int NO_ST[3] = {0, 0, 0}; | |
1112 | int NO_ST_ZOFF[3] = {0, 0, 0}; | |
1113 | int ST[3] = {0, 0, 0}; | |
1114 | s16 tmp = 0; | |
1115 | ||
1116 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
1117 | ||
1118 | // ODR setting | |
1119 | x[0] = CTRL_REG1; | |
1120 | x[1] = 0x67; // 0x47 | |
1121 | k2dh_acc_i2c_write(client, x, 1); | |
1122 | ||
1123 | x[0] = (I2C_AUTO_INCREMENT | CTRL_REG4); | |
1124 | x[1] = 0x88; | |
1125 | x[2] = 0x00; | |
1126 | x[3] = 0x00; | |
1127 | k2dh_acc_i2c_write(client, x, 3); | |
1128 | ||
1129 | mdelay(80); | |
1130 | ||
1131 | x[0] = (I2C_AUTO_INCREMENT | AXISDATA_REG); | |
1132 | k2dh_acc_i2c_read(client, x, 6); | |
1133 | ||
1134 | for(i = 0; i < 5; i++) | |
1135 | { | |
1136 | while(1) | |
1137 | { | |
1138 | x[0] = 0x27; // status_reg | |
1139 | val = k2dh_acc_i2c_read(client, x, 1); | |
1140 | if(val < 0) | |
1141 | { | |
1142 | GSE_ERR("[SELFTEST] I2C fail point1\n"); | |
1143 | goto ST_EXIT; | |
1144 | } | |
1145 | if(x[0] & 0x08) // x,y,z asix new data Available | |
1146 | { | |
1147 | break; | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | x[0] = (I2C_AUTO_INCREMENT | AXISDATA_REG); | |
1152 | k2dh_acc_i2c_read(client, x, 6); | |
1153 | ||
1154 | NO_ST_ZOFF[0] += (((s16) ((x[1] << 8) | x[0])) >> 4); // 12 bit resolution 1LSB= 0.997mg | |
1155 | NO_ST_ZOFF[1] += (((s16) ((x[3] << 8) | x[2])) >> 4); | |
1156 | NO_ST_ZOFF[2] += (((s16) ((x[5] << 8) | x[4])) >> 4); | |
1157 | ||
1158 | NO_ST[0] += (((s16) ((x[1] << 8) | x[0])) >> 6); //10 bit resolution 1LSB=4mg | |
1159 | NO_ST[1] += (((s16) ((x[3] << 8) | x[2])) >> 6); | |
1160 | NO_ST[2] += (((s16) ((x[5] << 8) | x[4])) >> 6); | |
1161 | ||
1162 | if(atomic_read(&obj->trace) & K2DH_TRC_CALI) | |
1163 | { | |
1164 | GSE_LOG("[SELFTEST] NO_ST(%d) : %d, %d, %d\n", i, NO_ST[0], NO_ST[1], NO_ST[2]); | |
1165 | } | |
1166 | } | |
1167 | ||
1168 | NO_ST_ZOFF[0] /= 5; | |
1169 | NO_ST_ZOFF[1] /= 5; | |
1170 | NO_ST_ZOFF[2] /= 5; | |
1171 | ||
1172 | NO_ST[0] /= 5; | |
1173 | NO_ST[1] /= 5; | |
1174 | NO_ST[2] /= 5; | |
1175 | ||
1176 | //if(atomic_read(&obj->trace) & K2DH_TRC_CALI) | |
1177 | { | |
1178 | GSE_LOG("[SELFTEST] AVE_NO_ST : %d, %d, %d\n", NO_ST[0], NO_ST[1], NO_ST[2]); | |
1179 | } | |
1180 | ||
1181 | x[0] = CTRL_REG4; | |
1182 | x[1] = 0x8A; // ST enable | |
1183 | k2dh_acc_i2c_write(client, x, 1); | |
1184 | ||
1185 | mdelay(80); | |
1186 | ||
1187 | x[0] = (I2C_AUTO_INCREMENT | AXISDATA_REG); | |
1188 | k2dh_acc_i2c_read(client, x, 6); | |
1189 | ||
1190 | for(i = 0; i < 5; i++) | |
1191 | { | |
1192 | while(1) | |
1193 | { | |
1194 | x[0] = 0x27; | |
1195 | val = k2dh_acc_i2c_read(client, x, 1); | |
1196 | ||
1197 | if(val < 0) | |
1198 | { | |
1199 | GSE_ERR("[SELFTEST] I2C fail point2\n"); | |
1200 | goto ST_EXIT; | |
1201 | } | |
1202 | ||
1203 | if(x[0] & 0x08) | |
1204 | { | |
1205 | break; | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | x[0] = (I2C_AUTO_INCREMENT | AXISDATA_REG); | |
1210 | k2dh_acc_i2c_read(client, x, 6); | |
1211 | ||
1212 | ST[0] += (((s16) ((x[1] << 8) | x[0])) >> 6); | |
1213 | ST[1] += (((s16) ((x[3] << 8) | x[2])) >> 6); | |
1214 | ST[2] += (((s16) ((x[5] << 8) | x[4])) >> 6); | |
1215 | ||
1216 | if(atomic_read(&obj->trace) & K2DH_TRC_CALI) | |
1217 | { | |
1218 | GSE_LOG("[SELFTEST] ST(%d) : %d, %d, %d\n", i, ST[0], ST[1], ST[2]); | |
1219 | } | |
1220 | } | |
1221 | ST[0] /= 5; | |
1222 | ST[1] /= 5; | |
1223 | ST[2] /= 5; | |
1224 | //if(atomic_read(&obj->trace) & K2DH_TRC_CALI) | |
1225 | { | |
1226 | GSE_LOG("[SELFTEST] AVE_ST : %d, %d, %d\n", ST[0], ST[1], ST[2]); | |
1227 | } | |
1228 | ||
1229 | for(val = 0, i = 0; i < 3; i++) | |
1230 | { | |
1231 | // calculate differece between SelfTest value and zoro g offset in 10bit resolution | |
1232 | ST[i] -= NO_ST[i]; | |
1233 | ST[i] = abs(ST[i]); | |
1234 | ||
1235 | // range compare of the self test | |
1236 | if((SELF_TEST_2G_MIN_LSB > ST[i]) || (ST[i] > SELF_TEST_2G_MAX_LSB)) | |
1237 | { | |
1238 | GSE_ERR("[SELFTEST] ST[%d] : Out of range!! (%d)\n", i, ST[i]); | |
1239 | val = -1; | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | // check zero-g offset | |
1244 | if(val >= 0) | |
1245 | { | |
1246 | for(val = 1, i = 0; i < 3; i++) | |
1247 | { | |
1248 | if(i < 2) | |
1249 | { | |
1250 | if(abs(NO_ST_ZOFF[i]) > TESTLIMIT_XY) // X, Y axis flat check | |
1251 | { | |
1252 | GSE_ERR("[SELFTEST] NO_ST[%d] : Out of ZOffset!! (%d)\n", i, NO_ST_ZOFF[i]); | |
1253 | val = -1; | |
1254 | } | |
1255 | } | |
1256 | else | |
1257 | { // Z axis flat check | |
1258 | if((abs(NO_ST_ZOFF[i]) > TESTLIMIT_Z_USL_LSB) || (abs(NO_ST_ZOFF[i]) < TESTLIMIT_Z_LSL_LSB)) | |
1259 | { | |
1260 | GSE_ERR("[SELFTEST] NO_ST[%d] : Out of ZOffset!! (%d)\n", i, NO_ST[i]); | |
1261 | val = -1; | |
1262 | } | |
1263 | } | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | //if(atomic_read(&obj->trace) & K2DH_TRC_CALI) | |
1268 | { | |
1269 | if(val >= 0) | |
1270 | { | |
1271 | GSE_LOG("[SELFTEST] OK!! val : %d, (%d, %d, %d) ||| (%d, %d, %d)\n", val, ST[0], ST[1], ST[2], NO_ST_ZOFF[0], NO_ST_ZOFF[1], NO_ST_ZOFF[2]); | |
1272 | } | |
1273 | else | |
1274 | { | |
1275 | GSE_LOG("[SELFTEST] NG!! val : %d, (%d, %d, %d) ||| (%d, %d, %d)\n", val, ST[0], ST[1], ST[2], NO_ST_ZOFF[0], NO_ST_ZOFF[1], NO_ST_ZOFF[2]); | |
1276 | } | |
1277 | } | |
1278 | ||
1279 | ST_EXIT: | |
1280 | #if 0 // do not control ODR rate | |
1281 | x[0] = CTRL_REG1; | |
1282 | x[1] = 0x00; | |
1283 | k2dh_acc_i2c_write(client, x, 1); | |
1284 | #endif | |
1285 | ||
1286 | x[0] = CTRL_REG4; | |
1287 | x[1] = 0x08; // ST disable | |
1288 | k2dh_acc_i2c_write(client, x, 1); | |
1289 | ||
1290 | ||
1291 | x[0] = CTRL_REG5; | |
1292 | x[1] = 0x88; | |
1293 | k2dh_acc_i2c_write(client, x, 1); | |
1294 | ||
1295 | return val; | |
1296 | } | |
1297 | ||
1298 | #endif | |
1299 | ||
1300 | ||
1301 | static int k2dh_set_mode(struct i2c_client *client, unsigned char mode) | |
1302 | { | |
1303 | int comres = -1; | |
1304 | unsigned char data[2] ={0, 0}; | |
1305 | unsigned char LPen = 0; | |
1306 | unsigned char HR = 0; | |
1307 | ||
1308 | if((client == NULL) || (mode >= 3)) | |
1309 | { | |
1310 | return -1; | |
1311 | } | |
1312 | ||
1313 | switch(mode) | |
1314 | { | |
1315 | case K2DH_MODE_LOWPOWER : | |
1316 | LPen = 1; | |
1317 | HR = 0; | |
1318 | break; | |
1319 | case K2DH_MODE_NORMAL: | |
1320 | LPen = 0; | |
1321 | HR = 0; | |
1322 | break; | |
1323 | case K2DH_MODE_HIGH_RESOLUTION : | |
1324 | LPen = 0; | |
1325 | HR = 1; | |
1326 | break; | |
1327 | default : | |
1328 | break; | |
1329 | } | |
1330 | ||
1331 | comres = k2dh_acc_register_update(client, (u8 *) data, K2DH_LP_EN_REG, K2DH_LP_EN_MSK, LPen << K2DH_LP_EN_POS); | |
1332 | if(comres != K2DH_SUCCESS) | |
1333 | { | |
1334 | return comres; | |
1335 | } | |
1336 | else | |
1337 | { | |
1338 | comres = k2dh_acc_register_update(client, (u8 *) data, K2DH_HR_REG, K2DH_HR_MSK, HR << K2DH_HR_POS); | |
1339 | if(comres != K2DH_SUCCESS) | |
1340 | { | |
1341 | return comres; | |
1342 | } | |
1343 | } | |
1344 | GSE_LOG("k2dh_set_mode, mode : %d, LPen : %d, HR : %d\n", mode, LPen, HR); | |
1345 | return K2DH_SUCCESS; | |
1346 | } | |
1347 | ||
1348 | static int k2dh_get_mode(struct i2c_client *client, unsigned char *mode) | |
1349 | { | |
1350 | int comres = -1; | |
1351 | unsigned char data[2] ={0, 0}; | |
1352 | unsigned char LPen = 0; | |
1353 | unsigned char HR = 0; | |
1354 | ||
1355 | comres = k2dh_acc_register_read(client, data, K2DH_LP_EN_REG); | |
1356 | if(comres != K2DH_SUCCESS) | |
1357 | { | |
1358 | return comres; | |
1359 | } | |
1360 | else | |
1361 | { | |
1362 | LPen = (data[0]& K2DH_LP_EN_MSK)?1:0; | |
1363 | comres = k2dh_acc_register_read(client, data, K2DH_HR_REG); | |
1364 | if(comres != K2DH_SUCCESS) | |
1365 | { | |
1366 | return comres; | |
1367 | } | |
1368 | else | |
1369 | { | |
1370 | HR = (data[0]& K2DH_HR_MSK)?1:0; | |
1371 | } | |
1372 | ||
1373 | if(LPen == 1 && HR == 0) | |
1374 | { | |
1375 | *mode = K2DH_MODE_LOWPOWER; | |
1376 | } | |
1377 | else if(LPen == 0 && HR == 0) | |
1378 | { | |
1379 | *mode = K2DH_MODE_NORMAL; | |
1380 | } | |
1381 | else if(LPen == 0 && HR == 1) | |
1382 | { | |
1383 | *mode = K2DH_MODE_HIGH_RESOLUTION; | |
1384 | } | |
1385 | else | |
1386 | { | |
1387 | *mode = -1; | |
1388 | } | |
1389 | } | |
1390 | GSE_LOG("k2dh_get_mode, LPen : %d, HR : %d\n", LPen, HR); | |
1391 | return comres; | |
1392 | } | |
1393 | ||
1394 | static int k2dh_set_range(struct i2c_client *client, unsigned char range) | |
1395 | { | |
1396 | int comres = -1; | |
1397 | unsigned char data[2] ={0, 0}; | |
1398 | ||
1399 | if((client == NULL) || (range >= 4)) | |
1400 | { | |
1401 | return -1; | |
1402 | } | |
1403 | ||
1404 | comres = k2dh_acc_register_update(client, (u8 *) data, K2DH_FS_REG, K2DH_FS_MSK, range << K2DH_FS_POS); | |
1405 | if(comres != K2DH_SUCCESS) | |
1406 | { | |
1407 | return comres; | |
1408 | } | |
1409 | ||
1410 | GSE_LOG("k2dh_set_range, range : %d\n", range); | |
1411 | return K2DH_SUCCESS; | |
1412 | ||
1413 | } | |
1414 | static int k2dh_get_range(struct i2c_client *client, unsigned char *range) | |
1415 | { | |
1416 | int comres = -1; | |
1417 | unsigned char data[2] ={0, 0}; | |
1418 | ||
1419 | comres = k2dh_acc_register_read(client, data, K2DH_FS_REG); | |
1420 | if(comres != K2DH_SUCCESS) | |
1421 | { | |
1422 | return comres; | |
1423 | } | |
1424 | data[0] = (data[0] & K2DH_FS_MSK) >> K2DH_FS_POS; | |
1425 | *range = data[0]; | |
1426 | GSE_LOG("k2dh_get_range, range : %d\n", data[0]); | |
1427 | return comres; | |
1428 | } | |
1429 | static int k2dh_set_bandwidth(struct i2c_client *client, unsigned char bandwidth) | |
1430 | { | |
1431 | int comres = -1; | |
1432 | unsigned char data[2] ={0, 0}; | |
1433 | ||
1434 | if((client == NULL) || (bandwidth >= 10)) | |
1435 | { | |
1436 | return -1; | |
1437 | } | |
1438 | ||
1439 | comres = k2dh_acc_register_update(client, (u8 *) data, K2DH_ODR_REG, K2DH_ODR_MSK, bandwidth << K2DH_ODR_POS); | |
1440 | if(comres != K2DH_SUCCESS) | |
1441 | { | |
1442 | return comres; | |
1443 | } | |
1444 | ||
1445 | GSE_LOG("k2dh_set_bandwidth, bandwidth : %d\n", bandwidth); | |
1446 | return K2DH_SUCCESS; | |
1447 | } | |
1448 | static int k2dh_get_bandwidth(struct i2c_client *client, unsigned char *bandwidth) | |
1449 | { | |
1450 | int comres = -1; | |
1451 | unsigned char data[2] ={0, 0}; | |
1452 | ||
1453 | comres = k2dh_acc_register_read(client, data, K2DH_ODR_REG); | |
1454 | if(comres != K2DH_SUCCESS) | |
1455 | { | |
1456 | return comres; | |
1457 | } | |
1458 | data[0] = (data[0] & K2DH_ODR_MSK) >> K2DH_ODR_POS; | |
1459 | *bandwidth = data[0]; | |
1460 | GSE_LOG("k2dh_get_bandwidth, bandwidth : %d\n", data[0]); | |
1461 | return comres; | |
1462 | } | |
1463 | ||
1464 | /*----------------------------------------------------------------------------*/ | |
1465 | static ssize_t show_chipinfo_value(struct device_driver *ddri, char *buf) | |
1466 | { | |
1467 | struct i2c_client *client = k2dh_i2c_client; | |
1468 | char strbuf[K2DH_BUFSIZE] = {0}; | |
1469 | if(NULL == client) | |
1470 | { | |
1471 | GSE_ERR("i2c client is null!!\n"); | |
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | k2dh_ReadChipInfo(client, strbuf, K2DH_BUFSIZE); | |
1476 | return snprintf(buf, PAGE_SIZE, "%s\n", strbuf); | |
1477 | } | |
1478 | ||
1479 | static ssize_t gsensor_init(struct device_driver *ddri, char *buf, size_t count) | |
1480 | { | |
1481 | struct i2c_client *client = k2dh_i2c_client; | |
1482 | char strbuf[K2DH_BUFSIZE] = {0}; | |
1483 | ||
1484 | if(NULL == client) | |
1485 | { | |
1486 | GSE_ERR("i2c client is null!!\n"); | |
1487 | return 0; | |
1488 | } | |
1489 | k2dh_acc_hw_init(client, 1); | |
1490 | return snprintf(buf, PAGE_SIZE, "%s\n", strbuf); | |
1491 | } | |
1492 | ||
1493 | static ssize_t show_opmode_value(struct device_driver *ddri, char *buf) | |
1494 | { | |
1495 | unsigned char data = 0; | |
1496 | ||
1497 | if (k2dh_get_mode(k2dh_i2c_client, &data) < 0) | |
1498 | { | |
1499 | return sprintf(buf, "Read error\n"); | |
1500 | } | |
1501 | else | |
1502 | { | |
1503 | if(data == 0) | |
1504 | return sprintf(buf, "0:LP MODE\n"); | |
1505 | else if(data == 1) | |
1506 | return sprintf(buf, "1:Normal MODE\n"); | |
1507 | else if(data == 2) | |
1508 | return sprintf(buf, "2:HR MODE\n"); | |
1509 | else | |
1510 | return sprintf(buf, "Error\n"); | |
1511 | } | |
1512 | } | |
1513 | ||
1514 | static ssize_t store_opmode_value(struct device_driver *ddri, char *buf, size_t count) | |
1515 | { | |
1516 | unsigned long data = 0; | |
1517 | int error = -1; | |
1518 | ||
1519 | if (error = strict_strtoul(buf, 10, &data)) | |
1520 | { | |
1521 | return error; | |
1522 | } | |
1523 | ||
1524 | if (k2dh_set_mode(k2dh_i2c_client, (unsigned char) data) < 0) | |
1525 | { | |
1526 | GSE_ERR("invalid content: '%s', length = %d\n", buf, count); | |
1527 | } | |
1528 | ||
1529 | return count; | |
1530 | } | |
1531 | ||
1532 | static ssize_t show_range_value(struct device_driver *ddri, char *buf) | |
1533 | { | |
1534 | unsigned char data = 0; | |
1535 | ||
1536 | if (k2dh_get_range(k2dh_i2c_client, &data) < 0) | |
1537 | { | |
1538 | return sprintf(buf, "Read error\n"); | |
1539 | } | |
1540 | else | |
1541 | { | |
1542 | return sprintf(buf, "%d\n", data); | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | static ssize_t store_range_value(struct device_driver *ddri, char *buf, size_t count) | |
1547 | { | |
1548 | unsigned long data = 0; | |
1549 | int error = -1; | |
1550 | ||
1551 | if (error = strict_strtoul(buf, 10, &data)) | |
1552 | { | |
1553 | return error; | |
1554 | } | |
1555 | if (k2dh_set_range(k2dh_i2c_client, (unsigned char) data) < 0) | |
1556 | { | |
1557 | GSE_ERR("invalid content: '%s', length = %d\n", buf, count); | |
1558 | } | |
1559 | ||
1560 | return count; | |
1561 | } | |
1562 | ||
1563 | static ssize_t show_bandwidth_value(struct device_driver *ddri, char *buf) | |
1564 | { | |
1565 | unsigned char data = 0; | |
1566 | ||
1567 | if (k2dh_get_bandwidth(k2dh_i2c_client, &data) < 0) | |
1568 | { | |
1569 | return sprintf(buf, "Read error\n"); | |
1570 | } | |
1571 | else | |
1572 | { | |
1573 | return sprintf(buf, "%d\n", data); | |
1574 | } | |
1575 | } | |
1576 | ||
1577 | static ssize_t store_bandwidth_value(struct device_driver *ddri, char *buf, size_t count) | |
1578 | { | |
1579 | unsigned long data = 0; | |
1580 | int error = -1; | |
1581 | ||
1582 | if (error = strict_strtoul(buf, 10, &data)) | |
1583 | { | |
1584 | return error; | |
1585 | } | |
1586 | if (k2dh_set_bandwidth(k2dh_i2c_client, (unsigned char) data) < 0) | |
1587 | { | |
1588 | GSE_ERR("invalid content: '%s', length = %d\n", buf, count); | |
1589 | } | |
1590 | ||
1591 | return count; | |
1592 | } | |
1593 | ||
1594 | static ssize_t show_sensordata_value(struct device_driver *ddri, char *buf) | |
1595 | { | |
1596 | struct i2c_client *client = k2dh_i2c_client; | |
1597 | char strbuf[K2DH_BUFSIZE] = {0};; | |
1598 | ||
1599 | if(NULL == client) | |
1600 | { | |
1601 | GSE_ERR("i2c client is null!!\n"); | |
1602 | return 0; | |
1603 | } | |
1604 | k2dh_ReadSensorData(client, strbuf, K2DH_BUFSIZE); | |
1605 | return snprintf(buf, PAGE_SIZE, "%s\n", strbuf); | |
1606 | } | |
1607 | ||
1608 | static ssize_t show_sensorrawdata_value(struct device_driver *ddri, char *buf) | |
1609 | { | |
1610 | struct i2c_client *client = k2dh_i2c_client; | |
1611 | s16 data[K2DH_AXES_NUM]; | |
1612 | ||
1613 | if(NULL == client) | |
1614 | { | |
1615 | GSE_ERR("i2c client is null!!\n"); | |
1616 | return 0; | |
1617 | } | |
1618 | ||
1619 | k2dh_ReadData(client, data); | |
1620 | return snprintf(buf, PAGE_SIZE, "Read RawData : x=%04x, y=%04x, z=%04x\n", data[0], data[1], data[2]); | |
1621 | } | |
1622 | ||
1623 | ||
1624 | ||
1625 | /*----------------------------------------------------------------------------*/ | |
1626 | static ssize_t show_trace_value(struct device_driver *ddri, char *buf) | |
1627 | { | |
1628 | ssize_t res = -1; | |
1629 | struct k2dh_i2c_data *obj = obj_i2c_data; | |
1630 | if (obj == NULL) | |
1631 | { | |
1632 | GSE_ERR("i2c_data obj is null!!\n"); | |
1633 | return 0; | |
1634 | } | |
1635 | ||
1636 | res = snprintf(buf, PAGE_SIZE, "0x%04X\n", atomic_read(&obj->trace)); | |
1637 | return res; | |
1638 | } | |
1639 | /*----------------------------------------------------------------------------*/ | |
1640 | static ssize_t store_trace_value(struct device_driver *ddri, char *buf, size_t count) | |
1641 | { | |
1642 | struct k2dh_i2c_data *obj = obj_i2c_data; | |
1643 | unsigned long data = 0; | |
1644 | int error = -1; | |
1645 | ||
1646 | if (obj == NULL) | |
1647 | { | |
1648 | GSE_ERR("i2c_data obj is null!!\n"); | |
1649 | return 0; | |
1650 | } | |
1651 | ||
1652 | if (error = strict_strtoul(buf, 10, &data)) | |
1653 | { | |
1654 | return error; | |
1655 | } | |
1656 | ||
1657 | atomic_set(&obj->trace, data); | |
1658 | ||
1659 | //GSE_LOG("data : %d saved_data : %d , buf : %s, count : %d\n", data, atomic_read(&obj->trace), buf, count); | |
1660 | ||
1661 | return count; | |
1662 | } | |
1663 | /*----------------------------------------------------------------------------*/ | |
1664 | static ssize_t show_status_value(struct device_driver *ddri, char *buf) | |
1665 | { | |
1666 | ssize_t len = 0; | |
1667 | struct k2dh_i2c_data *obj = obj_i2c_data; | |
1668 | if (obj == NULL) | |
1669 | { | |
1670 | GSE_ERR("i2c_data obj is null!!\n"); | |
1671 | return 0; | |
1672 | } | |
1673 | ||
1674 | if(obj->hw) | |
1675 | { | |
1676 | len += snprintf(buf+len, PAGE_SIZE-len, "CUST: %d %d (%d %d)\n", obj->hw->i2c_num, obj->hw->direction, obj->hw->power_id, obj->hw->power_vol); | |
1677 | } | |
1678 | else | |
1679 | { | |
1680 | len += snprintf(buf+len, PAGE_SIZE-len, "CUST: NULL\n"); | |
1681 | } | |
1682 | return len; | |
1683 | } | |
1684 | /*----------------------------------------------------------------------------*/ | |
1685 | static ssize_t show_power_status_value(struct device_driver *ddri, char *buf) | |
1686 | { | |
1687 | if(sensor_power) | |
1688 | GSE_LOG("G sensor is in work mode, sensor_power = %d\n", sensor_power); | |
1689 | else | |
1690 | GSE_LOG("G sensor is in standby mode, sensor_power = %d\n", sensor_power); | |
1691 | ||
1692 | return sprintf(buf, "%d\n", sensor_power); | |
1693 | } | |
1694 | ||
1695 | static ssize_t show_teststatus_value(struct device_driver *ddri, char *buf) | |
1696 | { | |
1697 | struct i2c_client *client = k2dh_i2c_client; | |
1698 | if(NULL == client) | |
1699 | { | |
1700 | GSE_ERR("i2c client is null!!\n"); | |
1701 | return 0; | |
1702 | } | |
1703 | ||
1704 | return snprintf(buf, PAGE_SIZE, "%d\n", test_status); | |
1705 | } | |
1706 | ||
1707 | ||
1708 | #ifdef K2DH_ACCEL_CALIBRATION | |
1709 | static int k2dh_read_accel_xyz(struct i2c_client *client, struct K2DHacc *acc) | |
1710 | { | |
1711 | int comres = 0; | |
1712 | unsigned char data[6]; | |
1713 | ||
1714 | return comres; | |
1715 | } | |
1716 | ||
1717 | static ssize_t show_cali_value(struct device_driver *ddri, char *buf) | |
1718 | { | |
1719 | GSE_FUN(); | |
1720 | struct i2c_client *client = k2dh_i2c_client; | |
1721 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
1722 | int offset_x,offset_y,offset_z; | |
1723 | ||
1724 | offset_x = obj->cali_sw[K2DH_AXIS_X]; | |
1725 | offset_y = obj->cali_sw[K2DH_AXIS_Y]; | |
1726 | offset_z = obj->cali_sw[K2DH_AXIS_Z]; | |
1727 | ||
1728 | GSE_LOG("offset_x: %d, offset_y: %d, offset_z: %d\n",offset_x,offset_y,offset_z); | |
1729 | ||
1730 | return snprintf(buf, PAGE_SIZE, "%d %d %d \n", offset_x, offset_y, offset_z); | |
1731 | } | |
1732 | ||
1733 | static ssize_t store_cali_value(struct device_driver *ddri, char *buf, size_t count) | |
1734 | { | |
1735 | struct i2c_client *client = k2dh_i2c_client; | |
1736 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
1737 | int err; | |
1738 | int offset_x,offset_y,offset_z; | |
1739 | int dat[K2DH_AXES_NUM]; | |
1740 | ||
1741 | if(!strncmp(buf, "rst", 3)) | |
1742 | { | |
1743 | GSE_FUN(); | |
1744 | if(err = k2dh_ResetCalibration(client)) | |
1745 | { | |
1746 | GSE_ERR("reset offset err = %d\n", err); | |
1747 | } | |
1748 | } | |
1749 | else if(3 == sscanf(buf, "%d %d %d", &offset_x, &offset_y, &offset_z)) | |
1750 | { | |
1751 | GSE_LOG("store_cali_value: x=%d, y=%d, z=%d\n", offset_x, offset_y, offset_z); | |
1752 | ||
1753 | obj->cali_sw[K2DH_AXIS_X] = offset_x; | |
1754 | obj->cali_sw[K2DH_AXIS_Y] = offset_y; | |
1755 | obj->cali_sw[K2DH_AXIS_Z] = offset_z; | |
1756 | } | |
1757 | else | |
1758 | { | |
1759 | GSE_ERR("invalid format\n"); | |
1760 | } | |
1761 | ||
1762 | return count; | |
1763 | } | |
1764 | ||
1765 | static ssize_t k2dh_fast_calibration_x_show(struct device_driver *ddri, char *buf) | |
1766 | { | |
1767 | struct i2c_client *client = k2dh_i2c_client; | |
1768 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1769 | ||
1770 | return sprintf(buf, "%d\n", atomic_read(&k2dh->fast_calib_x_rslt)); | |
1771 | } | |
1772 | ||
1773 | static ssize_t k2dh_fast_calibration_x_store(struct device_driver *ddri, char *buf, size_t count) | |
1774 | { | |
1775 | unsigned long data; | |
1776 | signed char tmp; | |
1777 | unsigned char timeout = 0; | |
1778 | unsigned int timeout_shaking = 0; | |
1779 | int error; | |
1780 | struct i2c_client *client = k2dh_i2c_client; | |
1781 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1782 | struct K2DHacc acc_cal; | |
1783 | struct K2DHacc acc_cal_pre; | |
1784 | ||
1785 | test_status = 4; // calibration status | |
1786 | ||
1787 | if (error = strict_strtoul(buf, 10, &data)) | |
1788 | return error; | |
1789 | ||
1790 | if(k2dh_do_calibration() != K2DH_SUCCESS) | |
1791 | { | |
1792 | atomic_set(&k2dh->fast_calib_x_rslt, 0); | |
1793 | return -EINVAL; | |
1794 | } | |
1795 | ||
1796 | atomic_set(&k2dh->fast_calib_x_rslt, 1); | |
1797 | GSE_LOG(KERN_INFO "x axis fast calibration finished\n"); | |
1798 | ||
1799 | return count; | |
1800 | } | |
1801 | ||
1802 | static ssize_t k2dh_fast_calibration_y_show(struct device_driver *ddri, char *buf) | |
1803 | { | |
1804 | ||
1805 | struct i2c_client *client = k2dh_i2c_client; | |
1806 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1807 | ||
1808 | return sprintf(buf, "%d\n", atomic_read(&k2dh->fast_calib_y_rslt)); | |
1809 | } | |
1810 | ||
1811 | static ssize_t k2dh_fast_calibration_y_store(struct device_driver *ddri, char *buf, size_t count) | |
1812 | { | |
1813 | unsigned long data; | |
1814 | int error; | |
1815 | struct i2c_client *client = k2dh_i2c_client; | |
1816 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1817 | ||
1818 | if (error = strict_strtoul(buf, 10, &data)) | |
1819 | return error; | |
1820 | ||
1821 | atomic_set(&k2dh->fast_calib_y_rslt, 1); | |
1822 | GSE_LOG(KERN_INFO "y axis fast calibration finished\n"); | |
1823 | ||
1824 | return count; | |
1825 | } | |
1826 | ||
1827 | static ssize_t k2dh_fast_calibration_z_show(struct device_driver *ddri, char *buf) | |
1828 | { | |
1829 | struct i2c_client *client = k2dh_i2c_client; | |
1830 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1831 | ||
1832 | return sprintf(buf, "%d\n", atomic_read(&k2dh->fast_calib_z_rslt)); | |
1833 | } | |
1834 | ||
1835 | static ssize_t k2dh_fast_calibration_z_store(struct device_driver *ddri, char *buf, size_t count) | |
1836 | { | |
1837 | unsigned long data; | |
1838 | int error; | |
1839 | struct i2c_client *client = k2dh_i2c_client; | |
1840 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1841 | ||
1842 | if (error = strict_strtoul(buf, 10, &data)) | |
1843 | return error; | |
1844 | ||
1845 | atomic_set(&k2dh->fast_calib_z_rslt, 1); | |
1846 | GSE_LOG(KERN_INFO "z axis fast calibration finished\n"); | |
1847 | ||
1848 | test_status = sensor_power; | |
1849 | ||
1850 | return count; | |
1851 | } | |
1852 | ||
1853 | #if 1 | |
1854 | static int k2dh_runCalibration(void) | |
1855 | { | |
1856 | if(k2dh_do_calibration() != K2DH_SUCCESS) | |
1857 | { | |
1858 | return -EINVAL; | |
1859 | } | |
1860 | GSE_LOG(KERN_INFO "self calibration Done\n"); | |
1861 | ||
1862 | return K2DH_SUCCESS; | |
1863 | } | |
1864 | #endif | |
1865 | ||
1866 | static ssize_t k2dh_eeprom_writing_show(struct device_driver *ddri, char *buf) | |
1867 | { | |
1868 | struct i2c_client *client = k2dh_i2c_client; | |
1869 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1870 | ||
1871 | return sprintf(buf, "%d\n", atomic_read(&k2dh->fast_calib_rslt)); | |
1872 | } | |
1873 | ||
1874 | static ssize_t k2dh_eeprom_writing_store(struct device_driver *ddri, char *buf, size_t count) | |
1875 | { | |
1876 | unsigned char offset_x,offset_y,offset_z; | |
1877 | struct i2c_client *client = k2dh_i2c_client; | |
1878 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1879 | ||
1880 | atomic_set(&k2dh->fast_calib_rslt, 1); | |
1881 | ||
1882 | return count; | |
1883 | } | |
1884 | ||
1885 | static int k2dh_soft_reset(struct i2c_client *client) | |
1886 | { | |
1887 | int comres = 0; | |
1888 | unsigned char data; | |
1889 | ||
1890 | GSE_FUN(); | |
1891 | // no soft_reset need | |
1892 | ||
1893 | return comres; | |
1894 | } | |
1895 | static ssize_t k2dh_softreset_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | |
1896 | { | |
1897 | struct i2c_client *client = k2dh_i2c_client; | |
1898 | struct k2dh_i2c_data *k2dh = i2c_get_clientdata(client); | |
1899 | ||
1900 | if (k2dh_soft_reset(k2dh->client) < 0) | |
1901 | return -EINVAL; | |
1902 | ||
1903 | return count; | |
1904 | } | |
1905 | ||
1906 | #if 0 | |
1907 | static ssize_t k2dh_runCalibration_store(struct device_driver *ddri, char *buf, size_t count) | |
1908 | { | |
1909 | unsigned long data = 0; | |
1910 | int error = -1; | |
1911 | int cali[3]; | |
1912 | ||
1913 | ||
1914 | struct i2c_client *client = k2dh_i2c_client; | |
1915 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
1916 | ||
1917 | if (error = strict_strtoul(buf, 10, &data)) | |
1918 | { | |
1919 | return error; | |
1920 | } | |
1921 | GSE_LOG("Calibration CMD value : %d\n", (int)data); | |
1922 | ||
1923 | if(data == 1 || data == 2) // calibration start command | |
1924 | { | |
1925 | if(k2dh_runCalibration() == K2DH_SUCCESS) | |
1926 | { | |
1927 | cali[0] = obj->cali_sw[0]; | |
1928 | cali[1] = obj->cali_sw[1]; | |
1929 | cali[2] = obj->cali_sw[2]; | |
1930 | if(LGE_FacWriteAccelerometerCalibration((unsigned int*)cali) == TRUE) | |
1931 | { | |
1932 | atomic_set(&obj->fast_calib_rslt, 1); | |
1933 | } | |
1934 | } | |
1935 | else // wrong input | |
1936 | { | |
1937 | GSE_LOG("Calibration FAIL\n"); | |
1938 | return -EINVAL; | |
1939 | } | |
1940 | } | |
1941 | return count; | |
1942 | } | |
1943 | ||
1944 | static ssize_t k2dh_runCalibration_show(struct device_driver *ddri, char *buf) | |
1945 | { | |
1946 | int selfCalibration = 1; // fail | |
1947 | ||
1948 | struct i2c_client *client = k2dh_i2c_client; | |
1949 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
1950 | ||
1951 | if(atomic_read(&obj->fast_calib_rslt) == 1) // calibration success | |
1952 | { | |
1953 | selfCalibration = 0; // success | |
1954 | } | |
1955 | else | |
1956 | { | |
1957 | selfCalibration = 1; // fail | |
1958 | } | |
1959 | return sprintf(buf, "%d\n", selfCalibration); | |
1960 | } | |
1961 | ||
1962 | #endif | |
1963 | ||
1964 | #endif // END OF K2DH_ACCEL_CALIBRATION | |
1965 | ||
1966 | #if 1 | |
1967 | static ssize_t k2dh_SelfTest_store(struct device_driver *ddri, char *buf, size_t count) | |
1968 | { | |
1969 | unsigned long data = 0; | |
1970 | int error = -1; | |
1971 | ||
1972 | struct i2c_client *client = k2dh_i2c_client; | |
1973 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
1974 | ||
1975 | if (error = strict_strtoul(buf, 10, &data)) | |
1976 | { | |
1977 | return error; | |
1978 | } | |
1979 | GSE_LOG("Self test CMD value : %d\n", (int)data); | |
1980 | ||
1981 | if(data == 1) // self test start command | |
1982 | { | |
1983 | if(k2dh_get_selftest(client) >= 0) | |
1984 | { | |
1985 | atomic_set(&obj->selftest_rslt, 1); | |
1986 | } | |
1987 | else | |
1988 | { | |
1989 | atomic_set(&obj->selftest_rslt, 0); | |
1990 | } | |
1991 | } | |
1992 | else // wrong input | |
1993 | { | |
1994 | GSE_LOG("SelfTest FAIL\n"); | |
1995 | return -EINVAL; | |
1996 | } | |
1997 | return count; | |
1998 | } | |
1999 | ||
2000 | static ssize_t k2dh_SelfTest_show(struct device_driver *ddri, char *buf) | |
2001 | { | |
2002 | int selftest = 1; // fail | |
2003 | ||
2004 | struct i2c_client *client = k2dh_i2c_client; | |
2005 | struct k2dh_i2c_data *obj = i2c_get_clientdata(client); | |
2006 | ||
2007 | if(atomic_read(&obj->selftest_rslt) == 1) // selftest success | |
2008 | { | |
2009 | selftest = 0; // success | |
2010 | } | |
2011 | else | |
2012 | { | |
2013 | selftest = 1; // fail | |
2014 | } | |
2015 | return sprintf(buf, "%d\n", selftest); | |
2016 | } | |
2017 | #endif | |
2018 | ||
2019 | /*----------------------------------------------------------------------------*/ | |
2020 | static DRIVER_ATTR(chipinfo, S_IWUSR|S_IRUGO, show_chipinfo_value, NULL); | |
2021 | static DRIVER_ATTR(opmode, S_IWUSR|S_IRUGO|S_IWGRP, show_opmode_value, store_opmode_value); | |
2022 | static DRIVER_ATTR(range, S_IWUSR|S_IRUGO|S_IWGRP, show_range_value, store_range_value); | |
2023 | static DRIVER_ATTR(bandwidth, S_IWUSR|S_IRUGO|S_IWGRP, show_bandwidth_value, store_bandwidth_value); | |
2024 | static DRIVER_ATTR(sensordata, S_IWUSR|S_IRUGO, show_sensordata_value, NULL); | |
2025 | static DRIVER_ATTR(sensorrawdata, S_IWUSR|S_IRUGO, show_sensorrawdata_value, NULL); | |
2026 | static DRIVER_ATTR(trace, S_IWUSR|S_IRUGO|S_IWGRP, show_trace_value, store_trace_value); | |
2027 | static DRIVER_ATTR(status, S_IRUGO, show_status_value, NULL); | |
2028 | static DRIVER_ATTR(powerstatus, S_IRUGO, show_power_status_value, NULL); | |
2029 | static DRIVER_ATTR(teststatus, S_IWUSR|S_IRUGO, show_teststatus_value, NULL); | |
2030 | #ifdef K2DH_ACCEL_CALIBRATION | |
2031 | static DRIVER_ATTR(softreset, S_IWUSR|S_IWGRP, NULL, k2dh_softreset_store); | |
2032 | static DRIVER_ATTR(cali, S_IWUSR|S_IRUGO|S_IWGRP, show_cali_value, store_cali_value); | |
2033 | static DRIVER_ATTR(fast_calibration_x, S_IRUGO|S_IWUSR|S_IWGRP, k2dh_fast_calibration_x_show, k2dh_fast_calibration_x_store); | |
2034 | static DRIVER_ATTR(fast_calibration_y, S_IRUGO|S_IWUSR|S_IWGRP, k2dh_fast_calibration_y_show, k2dh_fast_calibration_y_store); | |
2035 | static DRIVER_ATTR(fast_calibration_z, S_IRUGO|S_IWUSR|S_IWGRP, k2dh_fast_calibration_z_show, k2dh_fast_calibration_z_store); | |
2036 | static DRIVER_ATTR(eeprom_writing, S_IRUGO|S_IWUSR|S_IWGRP, k2dh_eeprom_writing_show, k2dh_eeprom_writing_store); | |
2037 | ||
2038 | #if 0 | |
2039 | static DRIVER_ATTR(run_fast_calibration, S_IRUGO|S_IWUSR|S_IWGRP, k2dh_runCalibration_show, k2dh_runCalibration_store); | |
2040 | #endif | |
2041 | #endif | |
2042 | #ifdef CONFIG_K2DH_LOWPASS | |
2043 | static DRIVER_ATTR(firlen, S_IWUSR|S_IRUGO|S_IWGRP, show_firlen_value, store_firlen_value); | |
2044 | #endif | |
2045 | #if 1 | |
2046 | static DRIVER_ATTR(selftest, S_IRUGO|S_IWUSR|S_IWGRP, k2dh_SelfTest_show, k2dh_SelfTest_store); | |
2047 | #endif | |
2048 | ||
2049 | ||
2050 | /*----------------------------------------------------------------------------*/ | |
2051 | static struct driver_attribute *k2dh_attr_list[] = { | |
2052 | &driver_attr_chipinfo, /*chip information*/ | |
2053 | &driver_attr_opmode, | |
2054 | &driver_attr_range, | |
2055 | &driver_attr_bandwidth, | |
2056 | &driver_attr_sensordata, /*dump sensor data*/ | |
2057 | &driver_attr_sensorrawdata, | |
2058 | &driver_attr_trace, /*trace log*/ | |
2059 | &driver_attr_status, | |
2060 | &driver_attr_powerstatus, | |
2061 | &driver_attr_teststatus, | |
2062 | #ifdef K2DH_ACCEL_CALIBRATION | |
2063 | &driver_attr_softreset, | |
2064 | &driver_attr_cali, /*show calibration data*/ | |
2065 | &driver_attr_fast_calibration_x, | |
2066 | &driver_attr_fast_calibration_y, | |
2067 | &driver_attr_fast_calibration_z, | |
2068 | &driver_attr_eeprom_writing, | |
2069 | #if 0 | |
2070 | &driver_attr_run_fast_calibration, | |
2071 | #endif | |
2072 | #endif | |
2073 | #ifdef CONFIG_K2DH_LOWPASS | |
2074 | &driver_attr_firlen, /*filter length: 0: disable, others: enable*/ | |
2075 | #endif | |
2076 | #if 1 | |
2077 | &driver_attr_selftest, | |
2078 | #endif | |
2079 | }; | |
2080 | /*----------------------------------------------------------------------------*/ | |
2081 | static int k2dh_create_attr(struct device_driver *driver) | |
2082 | { | |
2083 | int idx = 0, err = 0; | |
2084 | int num = (int)(sizeof(k2dh_attr_list)/sizeof(k2dh_attr_list[0])); | |
2085 | if (driver == NULL) | |
2086 | { | |
2087 | return -EINVAL; | |
2088 | } | |
2089 | ||
2090 | for(idx = 0; idx < num; idx++) | |
2091 | { | |
2092 | if(err = driver_create_file(driver, k2dh_attr_list[idx])) | |
2093 | { | |
2094 | GSE_ERR("driver_create_file (%s) = %d\n", k2dh_attr_list[idx]->attr.name, err); | |
2095 | break; | |
2096 | } | |
2097 | } | |
2098 | return err; | |
2099 | } | |
2100 | /*----------------------------------------------------------------------------*/ | |
2101 | static int k2dh_delete_attr(struct device_driver *driver) | |
2102 | { | |
2103 | int idx = 0 ,err = 0; | |
2104 | int num = (int)(sizeof(k2dh_attr_list)/sizeof(k2dh_attr_list[0])); | |
2105 | ||
2106 | if(driver == NULL) | |
2107 | { | |
2108 | return -EINVAL; | |
2109 | } | |
2110 | ||
2111 | for(idx = 0; idx < num; idx++) | |
2112 | { | |
2113 | driver_remove_file(driver, k2dh_attr_list[idx]); | |
2114 | } | |
2115 | ||
2116 | return err; | |
2117 | } | |
2118 | ||
2119 | /*----------------------------------------------------------------------------*/ | |
2120 | int gsensor_operate(void* self, uint32_t command, void* buff_in, int size_in, void* buff_out, int size_out, int* actualout) | |
2121 | { | |
2122 | int err = 0; | |
2123 | int value = 0, sample_delay = 0; | |
2124 | struct k2dh_i2c_data *priv = (struct k2dh_i2c_data*)self; | |
2125 | hwm_sensor_data* gsensor_data; | |
2126 | char buff[K2DH_BUFSIZE] = {0}; | |
2127 | ||
2128 | //GSE_FUN(f); | |
2129 | switch (command) | |
2130 | { | |
2131 | case SENSOR_DELAY: | |
2132 | if((buff_in == NULL) || (size_in < sizeof(int))) | |
2133 | { | |
2134 | GSE_ERR("Set delay parameter error!\n"); | |
2135 | err = -EINVAL; | |
2136 | } | |
2137 | else | |
2138 | { | |
2139 | value = *(int *)buff_in; | |
2140 | ||
2141 | #if 1 | |
2142 | sample_delay = ODR200; // 5ms | |
2143 | #else | |
2144 | if(value >= 100) | |
2145 | { | |
2146 | sample_delay = ODR10; // 100ms | |
2147 | } | |
2148 | else if(value >= 40) | |
2149 | { | |
2150 | sample_delay = ODR25; // 40ms | |
2151 | } | |
2152 | else if(value >= 20) | |
2153 | { | |
2154 | sample_delay = ODR50; // 20ms | |
2155 | } | |
2156 | else if(value >= 10) | |
2157 | { | |
2158 | sample_delay = ODR100; // 10ms | |
2159 | } | |
2160 | else | |
2161 | { | |
2162 | sample_delay = ODR200; // 5ms | |
2163 | } | |
2164 | #endif | |
2165 | err = k2dh_SetBWRate(priv->client, sample_delay); | |
2166 | if(err != K2DH_SUCCESS ) | |
2167 | { | |
2168 | GSE_ERR("Set delay parameter error!\n"); | |
2169 | } | |
2170 | ||
2171 | if(value >= 50) | |
2172 | { | |
2173 | atomic_set(&priv->filter, 0); | |
2174 | } | |
2175 | else | |
2176 | { | |
2177 | #if defined(CONFIG_K2DH_LOWPASS) | |
2178 | priv->fir.num = 0; | |
2179 | priv->fir.idx = 0; | |
2180 | priv->fir.sum[K2DH_AXIS_X] = 0; | |
2181 | priv->fir.sum[K2DH_AXIS_Y] = 0; | |
2182 | priv->fir.sum[K2DH_AXIS_Z] = 0; | |
2183 | atomic_set(&priv->filter, 1); | |
2184 | #endif | |
2185 | } | |
2186 | } | |
2187 | break; | |
2188 | ||
2189 | case SENSOR_ENABLE: | |
2190 | if((buff_in == NULL) || (size_in < sizeof(int))) | |
2191 | { | |
2192 | GSE_ERR("Enable sensor parameter error!\n"); | |
2193 | err = -EINVAL; | |
2194 | } | |
2195 | else | |
2196 | { | |
2197 | value = *(int *)buff_in; | |
2198 | if(((value == 0) && (sensor_power == false)) || ((value == 1) && (sensor_power == true))) | |
2199 | { | |
2200 | GSE_LOG("Gsensor device have updated!, power: %d\n", sensor_power); | |
2201 | } | |
2202 | else | |
2203 | { | |
2204 | err = k2dh_SetPowerMode( priv->client, !sensor_power); | |
2205 | } | |
2206 | } | |
2207 | break; | |
2208 | ||
2209 | case SENSOR_GET_DATA: | |
2210 | if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data))) | |
2211 | { | |
2212 | GSE_ERR("get sensor data parameter error!\n"); | |
2213 | err = -EINVAL; | |
2214 | } | |
2215 | else | |
2216 | { | |
2217 | gsensor_data = (hwm_sensor_data *)buff_out; | |
2218 | k2dh_ReadSensorData(priv->client, buff, K2DH_BUFSIZE); | |
2219 | sscanf(buff, "%x %x %x", &gsensor_data->values[0], &gsensor_data->values[1], &gsensor_data->values[2]); | |
2220 | gsensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; | |
2221 | gsensor_data->value_divide = 1000; | |
2222 | } | |
2223 | break; | |
2224 | ||
2225 | default: | |
2226 | GSE_ERR("gsensor operate function no this parameter %d!\n", command); | |
2227 | err = -1; | |
2228 | break; | |
2229 | } | |
2230 | ||
2231 | return err; | |
2232 | } | |
2233 | ||
2234 | /****************************************************************************** | |
2235 | * Function Configuration | |
2236 | ******************************************************************************/ | |
2237 | static int k2dh_open(struct inode *inode, struct file *file) | |
2238 | { | |
2239 | file->private_data = k2dh_i2c_client; | |
2240 | ||
2241 | if(file->private_data == NULL) | |
2242 | { | |
2243 | GSE_ERR("null pointer!!\n"); | |
2244 | return -EINVAL; | |
2245 | } | |
2246 | return nonseekable_open(inode, file); | |
2247 | } | |
2248 | /*----------------------------------------------------------------------------*/ | |
2249 | static int k2dh_release(struct inode *inode, struct file *file) | |
2250 | { | |
2251 | file->private_data = NULL; | |
2252 | return 0; | |
2253 | } | |
2254 | /*----------------------------------------------------------------------------*/ | |
2255 | static long k2dh_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
2256 | { | |
2257 | struct i2c_client *client = (struct i2c_client*)file->private_data; | |
2258 | struct k2dh_i2c_data *obj = (struct k2dh_i2c_data*)i2c_get_clientdata(client); | |
2259 | char strbuf[K2DH_BUFSIZE] = {0}; | |
2260 | void __user *data; | |
2261 | SENSOR_DATA sensor_data; | |
2262 | long err = 0; | |
2263 | int cali[3] = {0}; | |
2264 | uint32_t enable = 0; | |
2265 | ||
2266 | //GSE_FUN(f); | |
2267 | if(_IOC_DIR(cmd) & _IOC_READ) | |
2268 | { | |
2269 | err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd)); | |
2270 | } | |
2271 | else if(_IOC_DIR(cmd) & _IOC_WRITE) | |
2272 | { | |
2273 | err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd)); | |
2274 | } | |
2275 | ||
2276 | if(err) | |
2277 | { | |
2278 | GSE_ERR("access error: %08X, (%2d, %2d)\n", cmd, _IOC_DIR(cmd), _IOC_SIZE(cmd)); | |
2279 | return -EFAULT; | |
2280 | } | |
2281 | ||
2282 | switch(cmd) | |
2283 | { | |
2284 | #if 1 | |
2285 | #if 0 | |
2286 | case GSENSOR_IOCTL_SET_ENABLE: | |
2287 | GSE_LOG("GSENSOR_IOCTL_SET_ENABLE\n"); | |
2288 | data = (void __user *) arg; | |
2289 | if(data == NULL) | |
2290 | { | |
2291 | err = -EINVAL; | |
2292 | break; | |
2293 | } | |
2294 | if(copy_from_user(&enable, data, sizeof(enable))) | |
2295 | { | |
2296 | return -EFAULT; | |
2297 | } | |
2298 | else | |
2299 | { | |
2300 | if(enable == 1) | |
2301 | { | |
2302 | k2dh_SetPowerMode( obj_i2c_data->client, 1); | |
2303 | } | |
2304 | else if(enable == 0) | |
2305 | { | |
2306 | k2dh_SetPowerMode( obj_i2c_data->client, 0); | |
2307 | GSE_LOG("coolpisoo, test 1: %d\n", data2[0]); | |
2308 | msleep(10); | |
2309 | k2dh_acc_register_read(client, data2, CTRL_REG2); | |
2310 | GSE_LOG("coolpisoo, test 2: %d\n", data2[0]); | |
2311 | msleep(10); | |
2312 | k2dh_acc_register_read(client, data2, CTRL_REG3); | |
2313 | GSE_LOG("coolpisoo, test 3: %d\n", data2[0]); | |
2314 | msleep(10); | |
2315 | k2dh_acc_register_read(client, data2, CTRL_REG4); | |
2316 | GSE_LOG("coolpisoo, test 4: %d\n", data2[0]); | |
2317 | msleep(10); | |
2318 | k2dh_acc_register_read(client, data2, CTRL_REG5); | |
2319 | GSE_LOG("coolpisoo, test 5: %d\n", data2[0]); | |
2320 | msleep(10); | |
2321 | k2dh_acc_register_read(client, data2, CTRL_REG6); | |
2322 | GSE_LOG("coolpisoo, test 6: %d\n", data2[0]); | |
2323 | msleep(10); | |
2324 | k2dh_acc_register_read(client, data2, FIFO_CTRL_REG); | |
2325 | GSE_LOG("coolpisoo, test 7: %d\n", data2[0]); | |
2326 | msleep(10); | |
2327 | k2dh_acc_register_read(client, data2, TEMP_CFG_REG); | |
2328 | GSE_LOG("coolpisoo, test 8: %d\n", data2[0]); | |
2329 | msleep(10); | |
2330 | } | |
2331 | } | |
2332 | break; | |
2333 | case GSENSOR_IOCTL_GET_STATUS: | |
2334 | GSE_LOG("GSENSOR_IOCTL_GET_STATUS\n"); | |
2335 | data = (void __user *) arg; | |
2336 | if(data == NULL) | |
2337 | { | |
2338 | err = -EINVAL; | |
2339 | break; | |
2340 | } | |
2341 | if(copy_to_user(data, &sensor_power, sizeof(sensor_power))) | |
2342 | { | |
2343 | return -EFAULT; | |
2344 | } | |
2345 | break; | |
2346 | #endif /* 0 */ | |
2347 | case GSENSOR_IOCTL_INIT: | |
2348 | k2dh_acc_hw_init(client, 0); | |
2349 | break; | |
2350 | ||
2351 | case GSENSOR_IOCTL_READ_CHIPINFO: | |
2352 | data = (void __user *) arg; | |
2353 | if(data == NULL) | |
2354 | { | |
2355 | err = -EINVAL; | |
2356 | break; | |
2357 | } | |
2358 | ||
2359 | k2dh_ReadChipInfo(client, strbuf, K2DH_BUFSIZE); | |
2360 | if(copy_to_user(data, strbuf, strlen(strbuf)+1)) | |
2361 | { | |
2362 | err = -EFAULT; | |
2363 | break; | |
2364 | } | |
2365 | break; | |
2366 | ||
2367 | case GSENSOR_IOCTL_READ_SENSORDATA: | |
2368 | data = (void __user *) arg; | |
2369 | if(data == NULL) | |
2370 | { | |
2371 | err = -EINVAL; | |
2372 | break; | |
2373 | } | |
2374 | ||
2375 | k2dh_ReadSensorData(client, strbuf, K2DH_BUFSIZE); | |
2376 | if(copy_to_user(data, strbuf, strlen(strbuf)+1)) | |
2377 | { | |
2378 | err = -EFAULT; | |
2379 | break; | |
2380 | } | |
2381 | break; | |
2382 | ||
2383 | case GSENSOR_IOCTL_READ_GAIN: | |
2384 | data = (void __user *) arg; | |
2385 | if(data == NULL) | |
2386 | { | |
2387 | err = -EINVAL; | |
2388 | break; | |
2389 | } | |
2390 | ||
2391 | if(copy_to_user(data, &gsensor_gain, sizeof(GSENSOR_VECTOR3D))) | |
2392 | { | |
2393 | err = -EFAULT; | |
2394 | break; | |
2395 | } | |
2396 | break; | |
2397 | ||
2398 | case GSENSOR_IOCTL_READ_RAW_DATA: | |
2399 | data = (void __user *) arg; | |
2400 | if(data == NULL) | |
2401 | { | |
2402 | err = -EINVAL; | |
2403 | break; | |
2404 | } | |
2405 | //k2dh_ReadRawData(client, strbuf); | |
2406 | if(copy_to_user(data, &strbuf, strlen(strbuf)+1)) | |
2407 | { | |
2408 | err = -EFAULT; | |
2409 | break; | |
2410 | } | |
2411 | break; | |
2412 | ||
2413 | case GSENSOR_IOCTL_SET_CALI: | |
2414 | data = (void __user*)arg; | |
2415 | if(data == NULL) | |
2416 | { | |
2417 | err = -EINVAL; | |
2418 | break; | |
2419 | } | |
2420 | if(copy_from_user(&sensor_data, data, sizeof(sensor_data))) | |
2421 | { | |
2422 | err = -EFAULT; | |
2423 | break; | |
2424 | } | |
2425 | ||
2426 | GSE_LOG("GSENSOR_IOCTL_SET_CALI, Cal data : 0x%x, 0x%x, 0x%x\n", sensor_data.x, sensor_data.y, sensor_data.z); | |
2427 | if((sensor_data.x == 0) && (sensor_data.y == 0) && (sensor_data.z == 0)) | |
2428 | { // temp defensive code for nvram_daemon ioctl | |
2429 | break; | |
2430 | } | |
2431 | ||
2432 | obj->cali_sw[K2DH_AXIS_X] = sensor_data.x; | |
2433 | obj->cali_sw[K2DH_AXIS_Y] = sensor_data.y; | |
2434 | obj->cali_sw[K2DH_AXIS_Z] = sensor_data.z; | |
2435 | if(obj->cali_sw[K2DH_AXIS_X]>1000|| obj->cali_sw[K2DH_AXIS_X]<-1000|| | |
2436 | obj->cali_sw[K2DH_AXIS_Y]>1000|| obj->cali_sw[K2DH_AXIS_Y]<-1000|| | |
2437 | obj->cali_sw[K2DH_AXIS_Z]>1000|| obj->cali_sw[K2DH_AXIS_Z]<-1000){ | |
2438 | GSE_LOG("Unnormal Cal Data"); | |
2439 | obj->cali_sw[K2DH_AXIS_X] = 0; | |
2440 | obj->cali_sw[K2DH_AXIS_Y] = 0; | |
2441 | obj->cali_sw[K2DH_AXIS_Z] = 0; | |
2442 | } | |
2443 | break; | |
2444 | ||
2445 | case GSENSOR_IOCTL_CLR_CALI: | |
2446 | err = k2dh_ResetCalibration(client); | |
2447 | break; | |
2448 | ||
2449 | case GSENSOR_IOCTL_GET_CALI: | |
2450 | GSE_LOG("GSENSOR_IOCTL_GET_CALI\n"); | |
2451 | break; | |
2452 | #endif /* 0 */ | |
2453 | ||
2454 | default: | |
2455 | GSE_ERR("unknown IOCTL: 0x%08x\n", cmd); | |
2456 | err = -ENOIOCTLCMD; | |
2457 | break; | |
2458 | } | |
2459 | ||
2460 | return err; | |
2461 | } | |
2462 | ||
2463 | /*----------------------------------------------------------------------------*/ | |
2464 | static struct file_operations k2dh_fops = { | |
2465 | //.owner = THIS_MODULE, | |
2466 | .open = k2dh_open, | |
2467 | .release = k2dh_release, | |
2468 | .unlocked_ioctl = k2dh_unlocked_ioctl, | |
2469 | }; | |
2470 | /*----------------------------------------------------------------------------*/ | |
2471 | static struct miscdevice k2dh_device = { | |
2472 | .minor = MISC_DYNAMIC_MINOR, | |
2473 | .name = "gsensor", | |
2474 | .fops = &k2dh_fops, | |
2475 | }; | |
2476 | /*----------------------------------------------------------------------------*/ | |
2477 | #ifndef CONFIG_HAS_EARLYSUSPEND | |
2478 | /*----------------------------------------------------------------------------*/ | |
2479 | static int k2dh_suspend(struct i2c_client *client, pm_message_t msg) | |
2480 | { | |
2481 | GSE_FUN(); | |
2482 | ||
2483 | return 0; | |
2484 | } | |
2485 | /*----------------------------------------------------------------------------*/ | |
2486 | static int k2dh_resume(struct i2c_client *client) | |
2487 | { | |
2488 | GSE_FUN(); | |
2489 | ||
2490 | return 0; | |
2491 | } | |
2492 | /*----------------------------------------------------------------------------*/ | |
2493 | #else /*CONFIG_HAS_EARLY_SUSPEND is defined*/ | |
2494 | /*----------------------------------------------------------------------------*/ | |
2495 | static void k2dh_early_suspend(struct early_suspend *h) | |
2496 | { | |
2497 | GSE_FUN(); | |
2498 | } | |
2499 | /*----------------------------------------------------------------------------*/ | |
2500 | static void k2dh_late_resume(struct early_suspend *h) | |
2501 | { | |
2502 | GSE_FUN(); | |
2503 | } | |
2504 | ||
2505 | /*----------------------------------------------------------------------------*/ | |
2506 | #endif /*CONFIG_HAS_EARLYSUSPEND*/ | |
2507 | /*----------------------------------------------------------------------------*/ | |
2508 | static int k2dh_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
2509 | { | |
2510 | struct i2c_client *new_client; | |
2511 | struct k2dh_i2c_data *obj; | |
2512 | struct hwmsen_object sobj; | |
2513 | int err = 0; | |
2514 | GSE_FUN(); | |
2515 | ||
2516 | if(!(obj = kzalloc(sizeof(*obj), GFP_KERNEL))) | |
2517 | { | |
2518 | err = -ENOMEM; | |
2519 | goto exit; | |
2520 | } | |
2521 | ||
2522 | memset(obj, 0, sizeof(struct k2dh_i2c_data)); | |
2523 | ||
2524 | obj->hw = get_cust_acc_hw(); | |
2525 | if(err = hwmsen_get_convert(obj->hw->direction, &obj->cvt)) | |
2526 | { | |
2527 | GSE_ERR("invalid direction: %d\n", obj->hw->direction); | |
2528 | goto exit; | |
2529 | } | |
2530 | ||
2531 | obj_i2c_data = obj; | |
2532 | obj->client = client; | |
2533 | new_client = obj->client; | |
2534 | i2c_set_clientdata(new_client,obj); | |
2535 | ||
2536 | atomic_set(&obj->trace, 0); | |
2537 | atomic_set(&obj->suspend, 0); | |
2538 | ||
2539 | #ifdef CONFIG_K2DH_LOWPASS | |
2540 | if(obj->hw->firlen > C_MAX_FIR_LENGTH) | |
2541 | { | |
2542 | atomic_set(&obj->firlen, C_MAX_FIR_LENGTH); | |
2543 | } | |
2544 | else | |
2545 | { | |
2546 | atomic_set(&obj->firlen, obj->hw->firlen); | |
2547 | } | |
2548 | ||
2549 | if(atomic_read(&obj->firlen) > 0) | |
2550 | { | |
2551 | atomic_set(&obj->fir_en, 1); | |
2552 | } | |
2553 | ||
2554 | #endif | |
2555 | ||
2556 | k2dh_i2c_client = new_client; | |
2557 | ||
2558 | if(err = k2dh_acc_hw_init(new_client, 1)) | |
2559 | { | |
2560 | GSE_ERR ( "failed to init K2DH ( err = %d )\n", err ); | |
2561 | goto exit_init_failed; | |
2562 | } | |
2563 | ||
2564 | if(err = misc_register(&k2dh_device)) | |
2565 | { | |
2566 | GSE_ERR("k2dh_device register failed\n"); | |
2567 | goto exit_misc_device_register_failed; | |
2568 | } | |
2569 | ||
2570 | if(err = k2dh_create_attr(&k2dh_gsensor_driver.driver)) | |
2571 | { | |
2572 | GSE_ERR("create attribute err = %d\n", err); | |
2573 | goto exit_create_attr_failed; | |
2574 | } | |
2575 | ||
2576 | sobj.self = obj; | |
2577 | sobj.polling = 1; | |
2578 | sobj.sensor_operate = gsensor_operate; | |
2579 | if(err = hwmsen_attach(ID_ACCELEROMETER, &sobj)) | |
2580 | { | |
2581 | GSE_ERR("attach fail = %d\n", err); | |
2582 | goto exit_kfree; | |
2583 | } | |
2584 | ||
2585 | #ifdef CONFIG_HAS_EARLYSUSPEND | |
2586 | obj->early_drv.level = EARLY_SUSPEND_LEVEL_DISABLE_FB - 1, | |
2587 | obj->early_drv.suspend = k2dh_early_suspend, | |
2588 | obj->early_drv.resume = k2dh_late_resume, | |
2589 | register_early_suspend(&obj->early_drv); | |
2590 | #endif | |
2591 | ||
2592 | GSE_LOG("%s: OK\n", __func__); | |
2593 | return 0; | |
2594 | ||
2595 | exit_create_attr_failed: | |
2596 | misc_deregister(&k2dh_device); | |
2597 | exit_misc_device_register_failed: | |
2598 | exit_init_failed: | |
2599 | //i2c_detach_client(new_client); | |
2600 | exit_kfree: | |
2601 | kfree(obj); | |
2602 | exit: | |
2603 | GSE_ERR("%s: err = %d\n", __func__, err); | |
2604 | return err; | |
2605 | } | |
2606 | ||
2607 | /*----------------------------------------------------------------------------*/ | |
2608 | static int k2dh_i2c_remove(struct i2c_client *client) | |
2609 | { | |
2610 | int err = 0; | |
2611 | ||
2612 | if(err = k2dh_delete_attr(&k2dh_gsensor_driver.driver)) | |
2613 | { | |
2614 | GSE_ERR("k2dh_delete_attr fail: %d\n", err); | |
2615 | } | |
2616 | ||
2617 | if(err = misc_deregister(&k2dh_device)) | |
2618 | { | |
2619 | GSE_ERR("misc_deregister fail: %d\n", err); | |
2620 | } | |
2621 | ||
2622 | if(err = hwmsen_detach(ID_ACCELEROMETER)) | |
2623 | ||
2624 | ||
2625 | k2dh_i2c_client = NULL; | |
2626 | i2c_unregister_device(client); | |
2627 | kfree(i2c_get_clientdata(client)); | |
2628 | return 0; | |
2629 | } | |
2630 | /*----------------------------------------------------------------------------*/ | |
2631 | static int k2dh_probe(struct platform_device *pdev) | |
2632 | { | |
2633 | struct acc_hw *hw = get_cust_acc_hw(); | |
2634 | ||
2635 | GSE_FUN(); | |
2636 | ||
2637 | if(i2c_add_driver(&k2dh_i2c_driver)) | |
2638 | { | |
2639 | GSE_ERR("add driver error\n"); | |
2640 | return -1; | |
2641 | } | |
2642 | return 0; | |
2643 | } | |
2644 | /*----------------------------------------------------------------------------*/ | |
2645 | static int k2dh_remove(struct platform_device *pdev) | |
2646 | { | |
2647 | struct acc_hw *hw = get_cust_acc_hw(); | |
2648 | ||
2649 | GSE_FUN(); | |
2650 | k2dh_power(hw, 0); | |
2651 | i2c_del_driver(&k2dh_i2c_driver); | |
2652 | return 0; | |
2653 | } | |
2654 | /*----------------------------------------------------------------------------*/ | |
2655 | static struct platform_driver k2dh_gsensor_driver = { | |
2656 | .probe = k2dh_probe, | |
2657 | .remove = k2dh_remove, | |
2658 | .driver = { | |
2659 | .name = "gsensor", | |
2660 | } | |
2661 | }; | |
2662 | ||
2663 | /*----------------------------------------------------------------------------*/ | |
2664 | static int __init k2dh_init(void) | |
2665 | { | |
2666 | struct acc_hw *hw = get_cust_acc_hw(); | |
2667 | ||
2668 | GSE_FUN(); | |
2669 | i2c_register_board_info(hw->i2c_num, &k2dh_i2c_info, 1); | |
2670 | if(platform_driver_register(&k2dh_gsensor_driver)) | |
2671 | { | |
2672 | GSE_ERR("failed to register driver"); | |
2673 | return -ENODEV; | |
2674 | } | |
2675 | return 0; | |
2676 | } | |
2677 | /*----------------------------------------------------------------------------*/ | |
2678 | static void __exit k2dh_exit(void) | |
2679 | { | |
2680 | GSE_FUN(); | |
2681 | platform_driver_unregister(&k2dh_gsensor_driver); | |
2682 | } | |
2683 | /*----------------------------------------------------------------------------*/ | |
2684 | module_init(k2dh_init); | |
2685 | module_exit(k2dh_exit); | |
2686 | /*----------------------------------------------------------------------------*/ | |
2687 | MODULE_LICENSE("GPL"); | |
2688 | MODULE_DESCRIPTION("K2DH Accelerometer misc driver"); | |
2689 | MODULE_AUTHOR("STMcroelectronics"); |