diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/touchscreen/semisens/sn310m-touch.c')
| -rwxr-xr-x | ANDROID_3.4.5/drivers/input/touchscreen/semisens/sn310m-touch.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/ANDROID_3.4.5/drivers/input/touchscreen/semisens/sn310m-touch.c b/ANDROID_3.4.5/drivers/input/touchscreen/semisens/sn310m-touch.c deleted file mode 100755 index 81275baf..00000000 --- a/ANDROID_3.4.5/drivers/input/touchscreen/semisens/sn310m-touch.c +++ /dev/null @@ -1,332 +0,0 @@ -/**************************************************************** - * - * sn310m-touch.c : I2C Touchscreen driver (platform data struct) - * - * Copyright (c) 2013 SEMISENS Co.,Ltd - * http://www.semisens.com - * - ****************************************************************/ -#include <linux/device.h> -#include <linux/init.h> -#include <linux/input.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/slab.h> -#include <linux/hrtimer.h> -#include <asm/unaligned.h> -#include <linux/firmware.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/i2c.h> - -#include <linux/gpio.h> -#include <mach/wmt_iomux.h> - -//---------------------------------------------- -#include "sn310m-touch-pdata.h" -#include "sn310m-touch.h" -#include "touch.h" - - -//---------------------------------------------- -unsigned char sn310m_id_tracking(struct touch *ts, unsigned char find_id); - -//---------------------------------------------- -// Touch i2c control function -//---------------------------------------------- -int sn310m_i2c_read(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len) -{ - struct i2c_msg msg[2]; - int ret = 0; - unsigned char i = 0; - unsigned char cmd_tmp[10] = {0, }; - - if((len == 0) || (data == NULL)) { - dev_err(&client->dev, "I2C read error: Null pointer or length == 0\n"); - return -1; - } - - memset(cmd_tmp, 0x00, sizeof(cmd_tmp)); - - if(cmd_len) { - for(i = 0; i < cmd_len; i++) { - cmd_tmp[i] = cmd[cmd_len -1 -i]; - } - } - - memset(msg, 0x00, sizeof(msg)); - msg[0].addr = client->addr; - msg[0].flags = client->flags & I2C_M_TEN; - msg[0].len = cmd_len; - msg[0].buf = cmd_tmp; - - msg[1].addr = client->addr; - msg[1].flags = client->flags & I2C_M_TEN; - msg[1].flags |= I2C_M_RD; - msg[1].len = len; - msg[1].buf = data; - - if((ret = i2c_transfer(client->adapter, msg, 2)) != 2) { - dev_err(&client->dev, "I2C read error: (%d) reg: 0x%X len: %d\n", ret, cmd_tmp[0], len); - return -EIO; - } - - return len; -} - -int sn310m_i2c_write(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len) -{ - int ret = 0; - unsigned char block_data[10] = {0, }; - unsigned char i = 0; - unsigned char cmd_tmp[10] = {0, }; - - if((cmd_len + len) >= sizeof(block_data)) { - dev_err(&client->dev, "I2C write error: wdata overflow reg: 0x%X len: %d\n", cmd[0], cmd_len + len); - return -1; - } - - memset(block_data, 0x00, sizeof(block_data)); - memset(cmd_tmp, 0x00, sizeof(cmd_tmp)); - - if(cmd_len) { - for(i = 0; i < cmd_len; i++) { - cmd_tmp[i] = cmd[cmd_len -1 -i]; - } - } - - if(cmd_len) - memcpy(&block_data[0], &cmd_tmp[0], cmd_len); - - if(len) - memcpy(&block_data[cmd_len], &data[0], len); - - if((ret = i2c_master_send(client, block_data, (cmd_len + len))) < 0) { - dev_err(&client->dev, "I2C write error: (%d) reg: 0x%X len: %d\n", ret, cmd[0], len); - return ret; - } - - return len; -} - -//---------------------------------------------- -// Touch initialize & finalize function -//---------------------------------------------- -int sn310m_input_open(struct input_dev *input) -{ - struct touch *ts = input_get_drvdata(input); - - dbg("%s\n", __func__); - - ts->pdata->enable(ts); - - return 0; -} - -void sn310m_enable(struct touch *ts) -{ - unsigned short cmd = REG_TS_STATUS; - unsigned int rdata = 0; - dbg("sn310m_enable++\n"); - if(ts->disabled) { - while(!gpio_get_value(ts->pdata->irq_gpio)) - ts->pdata->i2c_read(ts->client, (unsigned char *)&cmd, sizeof(cmd), (unsigned char *)&rdata, sizeof(rdata)); - wmt_gpio_set_irq_type(ts->pdata->irq_gpio, IRQ_TYPE_EDGE_FALLING); - wmt_gpio_unmask_irq(ts->pdata->irq_gpio); - dbg("enable_irq (%d)\n",ts->irq); - ts->disabled = false; - } - dbg("sn310m_enable--\n"); -} - -void sn310m_disable(struct touch *ts) -{ - dbg("sn310m_disable++\n"); - if(!ts->disabled) { - //disable_irq(ts->irq);//wmt_gpio_mask_irq(ts->pdata->irq_gpio);// - wmt_gpio_mask_irq(ts->pdata->irq_gpio); - dbg("disable_irq(ts->irq);\n"); - ts->disabled = true; - if(ts->pdata->event_clear){ - ts->pdata->event_clear(ts); - } - } - dbg("sn310m_disable--"); -} - -int sn310m_early_probe(struct touch *ts) -{ - // nothing to do... - - return 0; -} - -int sn310m_probe(struct touch *ts) -{ - unsigned short cmd = REG_FIRMWARE_VERSION; - unsigned short rdata = 0; - - if(ts->pdata->i2c_read(ts->client, (unsigned char *)&cmd, sizeof(cmd), (unsigned char *)&rdata, sizeof(rdata)) < 0) { - errlog("fail to get touch ic firmware version.\n"); - return -1; - } - - ts->fw_version = rdata; - - dbg("touch ic firmware version : %d \n", rdata); - - return 0; -} - -//---------------------------------------------- -// calibration function -//---------------------------------------------- -int sn310m_calibration(struct touch *ts) -{ - // nothing to do... - - return 0; -} - -#define SN310M_NATIVE_INTERFACE -#if defined(SN310M_NATIVE_INTERFACE) -#include <linux/syscalls.h> -extern int g_MiscInitialize; -#endif - -//---------------------------------------------- -// Touch data processing function -//---------------------------------------------- -void sn310m_work(struct touch *ts) -{ - unsigned char find_slot = 0; - unsigned short cmd = 0; - status_reg_u status; - data_reg_t data; - button_u button; - unsigned int ids = 0; - int i = 0; - - mutex_lock(&ts->mutex); - - cmd = REG_TS_STATUS; - ts->pdata->i2c_read(ts->client, (unsigned char *)&cmd, sizeof(cmd), (unsigned char *)&status.uint, sizeof(status_reg_u)); - - if(status.bits.ts_cnt <= ts->pdata->max_fingers) { - unsigned char cnt = 0; - - if(ts->pdata->keycode && (status.bits.ts_cnt == 0)) { - button.bits.bt0_press = (status.bits.button & 0x01) ? 1 : 0; - button.bits.bt1_press = (status.bits.button & 0x02) ? 1 : 0; - button.bits.bt2_press = (status.bits.button & 0x04) ? 1 : 0; - button.bits.bt3_press = (status.bits.button & 0x08) ? 1 : 0; - - ts->pdata->key_report(ts, button.ubyte); - } - - for(cnt = 0; cnt < status.bits.ts_cnt; cnt++) { - unsigned int id; - unsigned int x; - unsigned int y; - unsigned int area; - unsigned int pressure; - - cmd = REG_TS_DATA(cnt); - ts->pdata->i2c_read(ts->client, (unsigned char *)&cmd, sizeof(cmd), (unsigned char *)&data.packet0, sizeof(data_reg_t)); - - id = data.packet0 >> 12; - x = data.packet0 & 0xfff; - y = data.packet1 & 0xfff; - area = data.packet2 & 0xfff; - pressure = ((data.packet1 >> 8) & 0x00f0) + (data.packet2 >> 12); - - dbg("DEBUG(%s) : cmd=%d, id=%d, x=%d, y=%d, area=%d, pressure=%d \n", __func__, cmd, id, x, y, area, pressure); - dbg("DEBUG(%s) : pkt0=%x pkt1=%x pkt2=%x \n", __func__, data.packet0, data.packet1, data.packet2); - - if((x >= ts->pdata->abs_max_x) || (y >= ts->pdata->abs_max_y)) { - if(ts->pdata->event_clear) - ts->pdata->event_clear(ts); - - dbg("ERROR(%s) : x(%d) or y(%d) value overflow!\n", __func__, x, y); - continue; - } - - if(ts->pdata->id_max) { - if((id >= ts->pdata->id_max) || (id < ts->pdata->id_min)) { - if(ts->pdata->event_clear) - ts->pdata->event_clear(ts); - - dbg("ERROR(%s) : id(%d) value overflow!\n", __func__, id); - continue; - } - if((find_slot = sn310m_id_tracking(ts, id)) == 0xFF) { - dbg("ERROR(%s) : Empty slot not found\n", __func__); - continue; - } - } - else { - if(id == 0) - continue; - - find_slot = cnt; - } - - if(ts->finger[find_slot].event == TS_EVENT_UNKNOWN) - ts->finger[find_slot].event = TS_EVENT_PRESS; - else if((ts->finger[find_slot].event == TS_EVENT_PRESS) || (ts->finger[find_slot].event == TS_EVENT_MOVE)) - ts->finger[find_slot].event = TS_EVENT_MOVE; - - if (ts->pdata->lcd_exchg) { - int tmp; - tmp = x; - x = y; - y = ts->pdata->abs_max_x - tmp; - } - - ts->finger[find_slot].status = true; - ts->finger[find_slot].id = id; - ts->finger[find_slot].x = x; - ts->finger[find_slot].y = y; - ts->finger[find_slot].area = (ts->pdata->area_max < area) ? ts->pdata->area_max : area; - ts->finger[find_slot].pressure = (ts->pdata->press_max < pressure) ? ts->pdata->press_max : pressure; - ids |= 1 << find_slot; - } - } - - for(i = 0; i < ts->pdata->max_fingers; i++) { - if(!(ids & (1 << i))) { - if(ts->finger[i].event != TS_EVENT_UNKNOWN) { - ts->finger[i].status = true; - ts->finger[i].event = TS_EVENT_RELEASE; - } - } - } - - ts->pdata->report(ts); - mutex_unlock(&ts->mutex); - wmt_gpio_unmask_irq(ts->pdata->irq_gpio); -} - -unsigned char sn310m_id_tracking(struct touch *ts, unsigned char find_id) -{ - unsigned char find_slot = 0xFF; - int i = 0; - - for(i = 0; i < ts->pdata->max_fingers; i++) { - if(ts->finger[i].id == find_id) - find_slot = i; - - if((ts->finger[i].event == TS_EVENT_UNKNOWN) && (find_slot == 0xFF)) - find_slot = i; - } - return find_slot; -} - -//---------------------------------------------- -// Firmware update Control function -//---------------------------------------------- -int sn310m_flash_firmware(struct device *dev, const char *fw_name) -{ - // nothing to do... - return 0; -} |