| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Simon Budig | 3186 | 44.21% | 3 | 4.00% |
| Dario Binacchi | 1350 | 18.73% | 12 | 16.00% |
| Marco Felsch | 997 | 13.84% | 7 | 9.33% |
| Lothar Waßmann | 676 | 9.38% | 5 | 6.67% |
| Franklin S Cooper Jr | 372 | 5.16% | 6 | 8.00% |
| Dmitry Torokhov | 173 | 2.40% | 11 | 14.67% |
| Stephan Gerhold | 128 | 1.78% | 1 | 1.33% |
| Mylène Josserand | 74 | 1.03% | 1 | 1.33% |
| Joel Selvaraj | 48 | 0.67% | 1 | 1.33% |
| Hans de Goede | 45 | 0.62% | 3 | 4.00% |
| Philipp Zabel | 42 | 0.58% | 2 | 2.67% |
| Felix Kaechele | 26 | 0.36% | 1 | 1.33% |
| Axel Lin | 12 | 0.17% | 1 | 1.33% |
| Uwe Kleine-König | 10 | 0.14% | 3 | 4.00% |
| Krzysztof Kozlowski | 9 | 0.12% | 1 | 1.33% |
| Aniroop Mathur | 7 | 0.10% | 1 | 1.33% |
| Maxime Ripard | 6 | 0.08% | 1 | 1.33% |
| Luca Ceresoli | 6 | 0.08% | 1 | 1.33% |
| Andi Shyti | 6 | 0.08% | 1 | 1.33% |
| Wolfram Sang | 6 | 0.08% | 1 | 1.33% |
| Ahmad Fatoum | 5 | 0.07% | 1 | 1.33% |
| Noralf Trönnes | 5 | 0.07% | 1 | 1.33% |
| Oliver Graute | 4 | 0.06% | 1 | 1.33% |
| Jonathan Cameron | 4 | 0.06% | 1 | 1.33% |
| Andy Shevchenko | 3 | 0.04% | 2 | 2.67% |
| Henrik Rydberg | 1 | 0.01% | 1 | 1.33% |
| Rasmus Villemoes | 1 | 0.01% | 1 | 1.33% |
| Andreas Kemnade | 1 | 0.01% | 1 | 1.33% |
| Martin Kepplinger | 1 | 0.01% | 1 | 1.33% |
| Wei Yongjun | 1 | 0.01% | 1 | 1.33% |
| ye xingchen | 1 | 0.01% | 1 | 1.33% |
| Total | 7206 | 75 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2012 Simon Budig, <simon.budig@kernelconcepts.de> * Daniel Wagener <daniel.wagener@kernelconcepts.de> (M09 firmware support) * Lothar Waßmann <LW@KARO-electronics.de> (DT support) * Dario Binacchi <dario.binacchi@amarulasolutions.com> (regmap support) */ /* * This is a driver for the EDT "Polytouch" family of touch controllers * based on the FocalTech FT5x06 line of chips. * * Development of this driver has been sponsored by Glyn: * http://www.glyn.com/Products/Displays */ #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/input.h> #include <linux/input/mt.h> #include <linux/input/touchscreen.h> #include <linux/irq.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/property.h> #include <linux/ratelimit.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <asm/unaligned.h> #define WORK_REGISTER_THRESHOLD 0x00 #define WORK_REGISTER_REPORT_RATE 0x08 #define WORK_REGISTER_GAIN 0x30 #define WORK_REGISTER_OFFSET 0x31 #define WORK_REGISTER_NUM_X 0x33 #define WORK_REGISTER_NUM_Y 0x34 #define PMOD_REGISTER_ACTIVE 0x00 #define PMOD_REGISTER_HIBERNATE 0x03 #define M09_REGISTER_THRESHOLD 0x80 #define M09_REGISTER_GAIN 0x92 #define M09_REGISTER_OFFSET 0x93 #define M09_REGISTER_NUM_X 0x94 #define M09_REGISTER_NUM_Y 0x95 #define M12_REGISTER_REPORT_RATE 0x88 #define EV_REGISTER_THRESHOLD 0x40 #define EV_REGISTER_GAIN 0x41 #define EV_REGISTER_OFFSET_Y 0x45 #define EV_REGISTER_OFFSET_X 0x46 #define NO_REGISTER 0xff #define WORK_REGISTER_OPMODE 0x3c #define FACTORY_REGISTER_OPMODE 0x01 #define PMOD_REGISTER_OPMODE 0xa5 #define TOUCH_EVENT_DOWN 0x00 #define TOUCH_EVENT_UP 0x01 #define TOUCH_EVENT_ON 0x02 #define TOUCH_EVENT_RESERVED 0x03 #define EDT_NAME_LEN 23 #define EDT_SWITCH_MODE_RETRIES 10 #define EDT_SWITCH_MODE_DELAY 5 /* msec */ #define EDT_RAW_DATA_RETRIES 100 #define EDT_RAW_DATA_DELAY 1000 /* usec */ #define EDT_DEFAULT_NUM_X 1024 #define EDT_DEFAULT_NUM_Y 1024 #define M06_REG_CMD(factory) ((factory) ? 0xf3 : 0xfc) #define M06_REG_ADDR(factory, addr) ((factory) ? (addr) & 0x7f : (addr) & 0x3f) enum edt_pmode { EDT_PMODE_NOT_SUPPORTED, EDT_PMODE_HIBERNATE, EDT_PMODE_POWEROFF, }; enum edt_ver { EDT_M06, EDT_M09, EDT_M12, EV_FT, GENERIC_FT, }; struct edt_reg_addr { int reg_threshold; int reg_report_rate; int reg_gain; int reg_offset; int reg_offset_x; int reg_offset_y; int reg_num_x; int reg_num_y; }; struct edt_ft5x06_ts_data { struct i2c_client *client; struct input_dev *input; struct touchscreen_properties prop; u16 num_x; u16 num_y; struct regulator *vcc; struct regulator *iovcc; struct gpio_desc *reset_gpio; struct gpio_desc *wake_gpio; struct regmap *regmap; #if defined(CONFIG_DEBUG_FS) struct dentry *debug_dir; u8 *raw_buffer; size_t raw_bufsize; #endif struct mutex mutex; bool factory_mode; enum edt_pmode suspend_mode; int threshold; int gain; int offset; int offset_x; int offset_y; int report_rate; int max_support_points; int point_len; u8 tdata_cmd; int tdata_len; int tdata_offset; char name[EDT_NAME_LEN]; char fw_version[EDT_NAME_LEN]; struct edt_reg_addr reg_addr; enum edt_ver version; unsigned int crc_errors; unsigned int header_errors; }; struct edt_i2c_chip_data { int max_support_points; }; static const struct regmap_config edt_ft5x06_i2c_regmap_config = { .reg_bits = 8, .val_bits = 8, }; static bool edt_ft5x06_ts_check_crc(struct edt_ft5x06_ts_data *tsdata, u8 *buf, int buflen) { int i; u8 crc = 0; for (i = 0; i < buflen - 1; i++) crc ^= buf[i]; if (crc != buf[buflen - 1]) { tsdata->crc_errors++; dev_err_ratelimited(&tsdata->client->dev, "crc error: 0x%02x expected, got 0x%02x\n", crc, buf[buflen - 1]); return false; } return true; } static int edt_M06_i2c_read(void *context, const void *reg_buf, size_t reg_size, void *val_buf, size_t val_size) { struct device *dev = context; struct i2c_client *i2c = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(i2c); struct i2c_msg xfer[2]; bool reg_read = false; u8 addr; u8 wlen; u8 wbuf[4], rbuf[3]; int ret; addr = *((u8 *)reg_buf); wbuf[0] = addr; switch (addr) { case 0xf5: wlen = 3; wbuf[0] = 0xf5; wbuf[1] = 0xe; wbuf[2] = *((u8 *)val_buf); break; case 0xf9: wlen = 1; break; default: wlen = 2; reg_read = true; wbuf[0] = M06_REG_CMD(tsdata->factory_mode); wbuf[1] = M06_REG_ADDR(tsdata->factory_mode, addr); wbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40; } xfer[0].addr = i2c->addr; xfer[0].flags = 0; xfer[0].len = wlen; xfer[0].buf = wbuf; xfer[1].addr = i2c->addr; xfer[1].flags = I2C_M_RD; xfer[1].len = reg_read ? 2 : val_size; xfer[1].buf = reg_read ? rbuf : val_buf; ret = i2c_transfer(i2c->adapter, xfer, 2); if (ret != 2) { if (ret < 0) return ret; return -EIO; } if (addr == 0xf9) { u8 *buf = (u8 *)val_buf; if (buf[0] != 0xaa || buf[1] != 0xaa || buf[2] != val_size) { tsdata->header_errors++; dev_err_ratelimited(dev, "Unexpected header: %02x%02x%02x\n", buf[0], buf[1], buf[2]); return -EIO; } if (!edt_ft5x06_ts_check_crc(tsdata, val_buf, val_size)) return -EIO; } else if (reg_read) { wbuf[2] = rbuf[0]; wbuf[3] = rbuf[1]; if (!edt_ft5x06_ts_check_crc(tsdata, wbuf, 4)) return -EIO; *((u8 *)val_buf) = rbuf[0]; } return 0; } static int edt_M06_i2c_write(void *context, const void *data, size_t count) { struct device *dev = context; struct i2c_client *i2c = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(i2c); u8 addr, val; u8 wbuf[4]; struct i2c_msg xfer; int ret; addr = *((u8 *)data); val = *((u8 *)data + 1); wbuf[0] = M06_REG_CMD(tsdata->factory_mode); wbuf[1] = M06_REG_ADDR(tsdata->factory_mode, addr); wbuf[2] = val; wbuf[3] = wbuf[0] ^ wbuf[1] ^ wbuf[2]; xfer.addr = i2c->addr; xfer.flags = 0; xfer.len = 4; xfer.buf = wbuf; ret = i2c_transfer(i2c->adapter, &xfer, 1); if (ret != 1) { if (ret < 0) return ret; return -EIO; } return 0; } static const struct regmap_config edt_M06_i2c_regmap_config = { .reg_bits = 8, .val_bits = 8, .read = edt_M06_i2c_read, .write = edt_M06_i2c_write, }; static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) { struct edt_ft5x06_ts_data *tsdata = dev_id; struct device *dev = &tsdata->client->dev; u8 rdbuf[63]; int i, type, x, y, id; int error; memset(rdbuf, 0, sizeof(rdbuf)); error = regmap_bulk_read(tsdata->regmap, tsdata->tdata_cmd, rdbuf, tsdata->tdata_len); if (error) { dev_err_ratelimited(dev, "Unable to fetch data, error: %d\n", error); goto out; } for (i = 0; i < tsdata->max_support_points; i++) { u8 *buf = &rdbuf[i * tsdata->point_len + tsdata->tdata_offset]; type = buf[0] >> 6; /* ignore Reserved events */ if (type == TOUCH_EVENT_RESERVED) continue; /* M06 sometimes sends bogus coordinates in TOUCH_DOWN */ if (tsdata->version == EDT_M06 && type == TOUCH_EVENT_DOWN) continue; x = get_unaligned_be16(buf) & 0x0fff; y = get_unaligned_be16(buf + 2) & 0x0fff; /* The FT5x26 send the y coordinate first */ if (tsdata->version == EV_FT) swap(x, y); id = (buf[2] >> 4) & 0x0f; input_mt_slot(tsdata->input, id); if (input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER, type != TOUCH_EVENT_UP)) touchscreen_report_pos(tsdata->input, &tsdata->prop, x, y, true); } input_mt_report_pointer_emulation(tsdata->input, true); input_sync(tsdata->input); out: return IRQ_HANDLED; } struct edt_ft5x06_attribute { struct device_attribute dattr; size_t field_offset; u8 limit_low; u8 limit_high; u8 addr_m06; u8 addr_m09; u8 addr_ev; }; #define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09, _addr_ev, \ _limit_low, _limit_high) \ struct edt_ft5x06_attribute edt_ft5x06_attr_##_field = { \ .dattr = __ATTR(_field, _mode, \ edt_ft5x06_setting_show, \ edt_ft5x06_setting_store), \ .field_offset = offsetof(struct edt_ft5x06_ts_data, _field), \ .addr_m06 = _addr_m06, \ .addr_m09 = _addr_m09, \ .addr_ev = _addr_ev, \ .limit_low = _limit_low, \ .limit_high = _limit_high, \ } static ssize_t edt_ft5x06_setting_show(struct device *dev, struct device_attribute *dattr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); struct edt_ft5x06_attribute *attr = container_of(dattr, struct edt_ft5x06_attribute, dattr); u8 *field = (u8 *)tsdata + attr->field_offset; unsigned int val; size_t count = 0; int error = 0; u8 addr; mutex_lock(&tsdata->mutex); if (tsdata->factory_mode) { error = -EIO; goto out; } switch (tsdata->version) { case EDT_M06: addr = attr->addr_m06; break; case EDT_M09: case EDT_M12: case GENERIC_FT: addr = attr->addr_m09; break; case EV_FT: addr = attr->addr_ev; break; default: error = -ENODEV; goto out; } if (addr != NO_REGISTER) { error = regmap_read(tsdata->regmap, addr, &val); if (error) { dev_err(&tsdata->client->dev, "Failed to fetch attribute %s, error %d\n", dattr->attr.name, error); goto out; } } else { val = *field; } if (val != *field) { dev_warn(&tsdata->client->dev, "%s: read (%d) and stored value (%d) differ\n", dattr->attr.name, val, *field); *field = val; } count = sysfs_emit(buf, "%d\n", val); out: mutex_unlock(&tsdata->mutex); return error ?: count; } static ssize_t edt_ft5x06_setting_store(struct device *dev, struct device_attribute *dattr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); struct edt_ft5x06_attribute *attr = container_of(dattr, struct edt_ft5x06_attribute, dattr); u8 *field = (u8 *)tsdata + attr->field_offset; unsigned int val; int error; u8 addr; mutex_lock(&tsdata->mutex); if (tsdata->factory_mode) { error = -EIO; goto out; } error = kstrtouint(buf, 0, &val); if (error) goto out; if (val < attr->limit_low || val > attr->limit_high) { error = -ERANGE; goto out; } switch (tsdata->version) { case EDT_M06: addr = attr->addr_m06; break; case EDT_M09: case EDT_M12: case GENERIC_FT: addr = attr->addr_m09; break; case EV_FT: addr = attr->addr_ev; break; default: error = -ENODEV; goto out; } if (addr != NO_REGISTER) { error = regmap_write(tsdata->regmap, addr, val); if (error) { dev_err(&tsdata->client->dev, "Failed to update attribute %s, error: %d\n", dattr->attr.name, error); goto out; } } *field = val; out: mutex_unlock(&tsdata->mutex); return error ?: count; } /* m06, m09: range 0-31, m12: range 0-5 */ static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN, M09_REGISTER_GAIN, EV_REGISTER_GAIN, 0, 31); /* m06, m09: range 0-31, m12: range 0-16 */ static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET, M09_REGISTER_OFFSET, NO_REGISTER, 0, 31); /* m06, m09, m12: no supported, ev_ft: range 0-80 */ static EDT_ATTR(offset_x, S_IWUSR | S_IRUGO, NO_REGISTER, NO_REGISTER, EV_REGISTER_OFFSET_X, 0, 80); /* m06, m09, m12: no supported, ev_ft: range 0-80 */ static EDT_ATTR(offset_y, S_IWUSR | S_IRUGO, NO_REGISTER, NO_REGISTER, EV_REGISTER_OFFSET_Y, 0, 80); /* m06: range 20 to 80, m09: range 0 to 30, m12: range 1 to 255... */ static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD, M09_REGISTER_THRESHOLD, EV_REGISTER_THRESHOLD, 0, 255); /* m06: range 3 to 14, m12: range 1 to 255 */ static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE, M12_REGISTER_REPORT_RATE, NO_REGISTER, 0, 255); static ssize_t model_show(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); return sysfs_emit(buf, "%s\n", tsdata->name); } static DEVICE_ATTR_RO(model); static ssize_t fw_version_show(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); return sysfs_emit(buf, "%s\n", tsdata->fw_version); } static DEVICE_ATTR_RO(fw_version); /* m06 only */ static ssize_t header_errors_show(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); return sysfs_emit(buf, "%d\n", tsdata->header_errors); } static DEVICE_ATTR_RO(header_errors); /* m06 only */ static ssize_t crc_errors_show(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); return sysfs_emit(buf, "%d\n", tsdata->crc_errors); } static DEVICE_ATTR_RO(crc_errors); static struct attribute *edt_ft5x06_attrs[] = { &edt_ft5x06_attr_gain.dattr.attr, &edt_ft5x06_attr_offset.dattr.attr, &edt_ft5x06_attr_offset_x.dattr.attr, &edt_ft5x06_attr_offset_y.dattr.attr, &edt_ft5x06_attr_threshold.dattr.attr, &edt_ft5x06_attr_report_rate.dattr.attr, &dev_attr_model.attr, &dev_attr_fw_version.attr, &dev_attr_header_errors.attr, &dev_attr_crc_errors.attr, NULL }; ATTRIBUTE_GROUPS(edt_ft5x06); static void edt_ft5x06_restore_reg_parameters(struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; struct regmap *regmap = tsdata->regmap; regmap_write(regmap, reg_addr->reg_threshold, tsdata->threshold); regmap_write(regmap, reg_addr->reg_gain, tsdata->gain); if (reg_addr->reg_offset != NO_REGISTER) regmap_write(regmap, reg_addr->reg_offset, tsdata->offset); if (reg_addr->reg_offset_x != NO_REGISTER) regmap_write(regmap, reg_addr->reg_offset_x, tsdata->offset_x); if (reg_addr->reg_offset_y != NO_REGISTER) regmap_write(regmap, reg_addr->reg_offset_y, tsdata->offset_y); if (reg_addr->reg_report_rate != NO_REGISTER) regmap_write(regmap, reg_addr->reg_report_rate, tsdata->report_rate); } #ifdef CONFIG_DEBUG_FS static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) { struct i2c_client *client = tsdata->client; int retries = EDT_SWITCH_MODE_RETRIES; unsigned int val; int error; if (tsdata->version != EDT_M06) { dev_err(&client->dev, "No factory mode support for non-M06 devices\n"); return -EINVAL; } disable_irq(client->irq); if (!tsdata->raw_buffer) { tsdata->raw_bufsize = tsdata->num_x * tsdata->num_y * sizeof(u16); tsdata->raw_buffer = kzalloc(tsdata->raw_bufsize, GFP_KERNEL); if (!tsdata->raw_buffer) { error = -ENOMEM; goto err_out; } } /* mode register is 0x3c when in the work mode */ error = regmap_write(tsdata->regmap, WORK_REGISTER_OPMODE, 0x03); if (error) { dev_err(&client->dev, "failed to switch to factory mode, error %d\n", error); goto err_out; } tsdata->factory_mode = true; do { mdelay(EDT_SWITCH_MODE_DELAY); /* mode register is 0x01 when in factory mode */ error = regmap_read(tsdata->regmap, FACTORY_REGISTER_OPMODE, &val); if (!error && val == 0x03) break; } while (--retries > 0); if (retries == 0) { dev_err(&client->dev, "not in factory mode after %dms.\n", EDT_SWITCH_MODE_RETRIES * EDT_SWITCH_MODE_DELAY); error = -EIO; goto err_out; } return 0; err_out: kfree(tsdata->raw_buffer); tsdata->raw_buffer = NULL; tsdata->factory_mode = false; enable_irq(client->irq); return error; } static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata) { struct i2c_client *client = tsdata->client; int retries = EDT_SWITCH_MODE_RETRIES; unsigned int val; int error; /* mode register is 0x01 when in the factory mode */ error = regmap_write(tsdata->regmap, FACTORY_REGISTER_OPMODE, 0x1); if (error) { dev_err(&client->dev, "failed to switch to work mode, error: %d\n", error); return error; } tsdata->factory_mode = false; do { mdelay(EDT_SWITCH_MODE_DELAY); /* mode register is 0x01 when in factory mode */ error = regmap_read(tsdata->regmap, WORK_REGISTER_OPMODE, &val); if (!error && val == 0x01) break; } while (--retries > 0); if (retries == 0) { dev_err(&client->dev, "not in work mode after %dms.\n", EDT_SWITCH_MODE_RETRIES * EDT_SWITCH_MODE_DELAY); tsdata->factory_mode = true; return -EIO; } kfree(tsdata->raw_buffer); tsdata->raw_buffer = NULL; edt_ft5x06_restore_reg_parameters(tsdata); enable_irq(client->irq); return 0; } static int edt_ft5x06_debugfs_mode_get(void *data, u64 *mode) { struct edt_ft5x06_ts_data *tsdata = data; *mode = tsdata->factory_mode; return 0; }; static int edt_ft5x06_debugfs_mode_set(void *data, u64 mode) { struct edt_ft5x06_ts_data *tsdata = data; int retval = 0; if (mode > 1) return -ERANGE; mutex_lock(&tsdata->mutex); if (mode != tsdata->factory_mode) { retval = mode ? edt_ft5x06_factory_mode(tsdata) : edt_ft5x06_work_mode(tsdata); } mutex_unlock(&tsdata->mutex); return retval; }; DEFINE_SIMPLE_ATTRIBUTE(debugfs_mode_fops, edt_ft5x06_debugfs_mode_get, edt_ft5x06_debugfs_mode_set, "%llu\n"); static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, char __user *buf, size_t count, loff_t *off) { struct edt_ft5x06_ts_data *tsdata = file->private_data; struct i2c_client *client = tsdata->client; int retries = EDT_RAW_DATA_RETRIES; unsigned int val; int i, error; size_t read = 0; int colbytes; u8 *rdbuf; if (*off < 0 || *off >= tsdata->raw_bufsize) return 0; mutex_lock(&tsdata->mutex); if (!tsdata->factory_mode || !tsdata->raw_buffer) { error = -EIO; goto out; } error = regmap_write(tsdata->regmap, 0x08, 0x01); if (error) { dev_err(&client->dev, "failed to write 0x08 register, error %d\n", error); goto out; } do { usleep_range(EDT_RAW_DATA_DELAY, EDT_RAW_DATA_DELAY + 100); error = regmap_read(tsdata->regmap, 0x08, &val); if (error) { dev_err(&client->dev, "failed to read 0x08 register, error %d\n", error); goto out; } if (val == 1) break; } while (--retries > 0); if (retries == 0) { dev_err(&client->dev, "timed out waiting for register to settle\n"); error = -ETIMEDOUT; goto out; } rdbuf = tsdata->raw_buffer; colbytes = tsdata->num_y * sizeof(u16); for (i = 0; i < tsdata->num_x; i++) { rdbuf[0] = i; /* column index */ error = regmap_bulk_read(tsdata->regmap, 0xf5, rdbuf, colbytes); if (error) goto out; rdbuf += colbytes; } read = min_t(size_t, count, tsdata->raw_bufsize - *off); if (copy_to_user(buf, tsdata->raw_buffer + *off, read)) { error = -EFAULT; goto out; } *off += read; out: mutex_unlock(&tsdata->mutex); return error ?: read; }; static const struct file_operations debugfs_raw_data_fops = { .open = simple_open, .read = edt_ft5x06_debugfs_raw_data_read, }; static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata, const char *debugfs_name) { tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL); debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x); debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y); debugfs_create_file("mode", S_IRUSR | S_IWUSR, tsdata->debug_dir, tsdata, &debugfs_mode_fops); debugfs_create_file("raw_data", S_IRUSR, tsdata->debug_dir, tsdata, &debugfs_raw_data_fops); } static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata) { debugfs_remove_recursive(tsdata->debug_dir); kfree(tsdata->raw_buffer); } #else static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) { return -ENOSYS; } static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata, const char *debugfs_name) { } static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata) { } #endif /* CONFIG_DEBUGFS */ static int edt_ft5x06_ts_identify(struct i2c_client *client, struct edt_ft5x06_ts_data *tsdata) { u8 rdbuf[EDT_NAME_LEN]; char *p; int error; char *model_name = tsdata->name; char *fw_version = tsdata->fw_version; /* see what we find if we assume it is a M06 * * if we get less than EDT_NAME_LEN, we don't want * to have garbage in there */ memset(rdbuf, 0, sizeof(rdbuf)); error = regmap_bulk_read(tsdata->regmap, 0xBB, rdbuf, EDT_NAME_LEN - 1); if (error) return error; /* Probe content for something consistent. * M06 starts with a response byte, M12 gives the data directly. * M09/Generic does not provide model number information. */ if (!strncasecmp(rdbuf + 1, "EP0", 3)) { tsdata->version = EDT_M06; /* remove last '$' end marker */ rdbuf[EDT_NAME_LEN - 1] = '\0'; if (rdbuf[EDT_NAME_LEN - 2] == '$') rdbuf[EDT_NAME_LEN - 2] = '\0'; /* look for Model/Version separator */ p = strchr(rdbuf, '*'); if (p) *p++ = '\0'; strscpy(model_name, rdbuf + 1, EDT_NAME_LEN); strscpy(fw_version, p ? p : "", EDT_NAME_LEN); regmap_exit(tsdata->regmap); tsdata->regmap = regmap_init_i2c(client, &edt_M06_i2c_regmap_config); if (IS_ERR(tsdata->regmap)) { dev_err(&client->dev, "regmap allocation failed\n"); return PTR_ERR(tsdata->regmap); } } else if (!strncasecmp(rdbuf, "EP0", 3)) { tsdata->version = EDT_M12; /* remove last '$' end marker */ rdbuf[EDT_NAME_LEN - 2] = '\0'; if (rdbuf[EDT_NAME_LEN - 3] == '$') rdbuf[EDT_NAME_LEN - 3] = '\0'; /* look for Model/Version separator */ p = strchr(rdbuf, '*'); if (p) *p++ = '\0'; strscpy(model_name, rdbuf, EDT_NAME_LEN); strscpy(fw_version, p ? p : "", EDT_NAME_LEN); } else { /* If it is not an EDT M06/M12 touchscreen, then the model * detection is a bit hairy. The different ft5x06 * firmwares around don't reliably implement the * identification registers. Well, we'll take a shot. * * The main difference between generic focaltec based * touches and EDT M09 is that we know how to retrieve * the max coordinates for the latter. */ tsdata->version = GENERIC_FT; error = regmap_bulk_read(tsdata->regmap, 0xA6, rdbuf, 2); if (error) return error; strscpy(fw_version, rdbuf, 2); error = regmap_bulk_read(tsdata->regmap, 0xA8, rdbuf, 1); if (error) return error; /* This "model identification" is not exact. Unfortunately * not all firmwares for the ft5x06 put useful values in * the identification registers. */ switch (rdbuf[0]) { case 0x11: /* EDT EP0110M09 */ case 0x35: /* EDT EP0350M09 */ case 0x43: /* EDT EP0430M09 */ case 0x50: /* EDT EP0500M09 */ case 0x57: /* EDT EP0570M09 */ case 0x70: /* EDT EP0700M09 */ tsdata->version = EDT_M09; snprintf(model_name, EDT_NAME_LEN, "EP0%i%i0M09", rdbuf[0] >> 4, rdbuf[0] & 0x0F); break; case 0xa1: /* EDT EP1010ML00 */ tsdata->version = EDT_M09; snprintf(model_name, EDT_NAME_LEN, "EP%i%i0ML00", rdbuf[0] >> 4, rdbuf[0] & 0x0F); break; case 0x5a: /* Solomon Goldentek Display */ snprintf(model_name, EDT_NAME_LEN, "GKTW50SCED1R0"); break; case 0x59: /* Evervision Display with FT5xx6 TS */ tsdata->version = EV_FT; error = regmap_bulk_read(tsdata->regmap, 0x53, rdbuf, 1); if (error) return error; strscpy(fw_version, rdbuf, 1); snprintf(model_name, EDT_NAME_LEN, "EVERVISION-FT5726NEi"); break; default: snprintf(model_name, EDT_NAME_LEN, "generic ft5x06 (%02x)", rdbuf[0]); break; } } return 0; } static void edt_ft5x06_ts_get_defaults(struct device *dev, struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; struct regmap *regmap = tsdata->regmap; u32 val; int error; error = device_property_read_u32(dev, "threshold", &val); if (!error) { regmap_write(regmap, reg_addr->reg_threshold, val); tsdata->threshold = val; } error = device_property_read_u32(dev, "gain", &val); if (!error) { regmap_write(regmap, reg_addr->reg_gain, val); tsdata->gain = val; } error = device_property_read_u32(dev, "offset", &val); if (!error) { if (reg_addr->reg_offset != NO_REGISTER) regmap_write(regmap, reg_addr->reg_offset, val); tsdata->offset = val; } error = device_property_read_u32(dev, "offset-x", &val); if (!error) { if (reg_addr->reg_offset_x != NO_REGISTER) regmap_write(regmap, reg_addr->reg_offset_x, val); tsdata->offset_x = val; } error = device_property_read_u32(dev, "offset-y", &val); if (!error) { if (reg_addr->reg_offset_y != NO_REGISTER) regmap_write(regmap, reg_addr->reg_offset_y, val); tsdata->offset_y = val; } } static void edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; struct regmap *regmap = tsdata->regmap; unsigned int val; regmap_read(regmap, reg_addr->reg_threshold, &tsdata->threshold); regmap_read(regmap, reg_addr->reg_gain, &tsdata->gain); if (reg_addr->reg_offset != NO_REGISTER) regmap_read(regmap, reg_addr->reg_offset, &tsdata->offset); if (reg_addr->reg_offset_x != NO_REGISTER) regmap_read(regmap, reg_addr->reg_offset_x, &tsdata->offset_x); if (reg_addr->reg_offset_y != NO_REGISTER) regmap_read(regmap, reg_addr->reg_offset_y, &tsdata->offset_y); if (reg_addr->reg_report_rate != NO_REGISTER) regmap_read(regmap, reg_addr->reg_report_rate, &tsdata->report_rate); tsdata->num_x = EDT_DEFAULT_NUM_X; if (reg_addr->reg_num_x != NO_REGISTER) { if (!regmap_read(regmap, reg_addr->reg_num_x, &val)) tsdata->num_x = val; } tsdata->num_y = EDT_DEFAULT_NUM_Y; if (reg_addr->reg_num_y != NO_REGISTER) { if (!regmap_read(regmap, reg_addr->reg_num_y, &val)) tsdata->num_y = val; } } static void edt_ft5x06_ts_set_tdata_parameters(struct edt_ft5x06_ts_data *tsdata) { int crclen; if (tsdata->version == EDT_M06) { tsdata->tdata_cmd = 0xf9; tsdata->tdata_offset = 5; tsdata->point_len = 4; crclen = 1; } else { tsdata->tdata_cmd = 0x0; tsdata->tdata_offset = 3; tsdata->point_len = 6; crclen = 0; } tsdata->tdata_len = tsdata->point_len * tsdata->max_support_points + tsdata->tdata_offset + crclen; } static void edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; switch (tsdata->version) { case EDT_M06: reg_addr->reg_threshold = WORK_REGISTER_THRESHOLD; reg_addr->reg_report_rate = WORK_REGISTER_REPORT_RATE; reg_addr->reg_gain = WORK_REGISTER_GAIN; reg_addr->reg_offset = WORK_REGISTER_OFFSET; reg_addr->reg_offset_x = NO_REGISTER; reg_addr->reg_offset_y = NO_REGISTER; reg_addr->reg_num_x = WORK_REGISTER_NUM_X; reg_addr->reg_num_y = WORK_REGISTER_NUM_Y; break; case EDT_M09: case EDT_M12: reg_addr->reg_threshold = M09_REGISTER_THRESHOLD; reg_addr->reg_report_rate = tsdata->version == EDT_M12 ? M12_REGISTER_REPORT_RATE : NO_REGISTER; reg_addr->reg_gain = M09_REGISTER_GAIN; reg_addr->reg_offset = M09_REGISTER_OFFSET; reg_addr->reg_offset_x = NO_REGISTER; reg_addr->reg_offset_y = NO_REGISTER; reg_addr->reg_num_x = M09_REGISTER_NUM_X; reg_addr->reg_num_y = M09_REGISTER_NUM_Y; break; case EV_FT: reg_addr->reg_threshold = EV_REGISTER_THRESHOLD; reg_addr->reg_report_rate = NO_REGISTER; reg_addr->reg_gain = EV_REGISTER_GAIN; reg_addr->reg_offset = NO_REGISTER; reg_addr->reg_offset_x = EV_REGISTER_OFFSET_X; reg_addr->reg_offset_y = EV_REGISTER_OFFSET_Y; reg_addr->reg_num_x = NO_REGISTER; reg_addr->reg_num_y = NO_REGISTER; break; case GENERIC_FT: /* this is a guesswork */ reg_addr->reg_threshold = M09_REGISTER_THRESHOLD; reg_addr->reg_report_rate = NO_REGISTER; reg_addr->reg_gain = M09_REGISTER_GAIN; reg_addr->reg_offset = M09_REGISTER_OFFSET; reg_addr->reg_offset_x = NO_REGISTER; reg_addr->reg_offset_y = NO_REGISTER; reg_addr->reg_num_x = NO_REGISTER; reg_addr->reg_num_y = NO_REGISTER; break; } } static void edt_ft5x06_disable_regulators(void *arg) { struct edt_ft5x06_ts_data *data = arg; regulator_disable(data->vcc); regulator_disable(data->iovcc); } static int edt_ft5x06_ts_probe(struct i2c_client *client) { const struct i2c_device_id *id = i2c_client_get_device_id(client); const struct edt_i2c_chip_data *chip_data; struct edt_ft5x06_ts_data *tsdata; unsigned int val; struct input_dev *input; unsigned long irq_flags; int error; u32 report_rate; dev_dbg(&client->dev, "probing for EDT FT5x06 I2C\n"); tsdata = devm_kzalloc(&client->dev, sizeof(*tsdata), GFP_KERNEL); if (!tsdata) { dev_err(&client->dev, "failed to allocate driver data.\n"); return -ENOMEM; } tsdata->regmap = regmap_init_i2c(client, &edt_ft5x06_i2c_regmap_config); if (IS_ERR(tsdata->regmap)) { dev_err(&client->dev, "regmap allocation failed\n"); return PTR_ERR(tsdata->regmap); } chip_data = device_get_match_data(&client->dev); if (!chip_data) chip_data = (const struct edt_i2c_chip_data *)id->driver_data; if (!chip_data || !chip_data->max_support_points) { dev_err(&client->dev, "invalid or missing chip data\n"); return -EINVAL; } tsdata->max_support_points = chip_data->max_support_points; tsdata->vcc = devm_regulator_get(&client->dev, "vcc"); if (IS_ERR(tsdata->vcc)) return dev_err_probe(&client->dev, PTR_ERR(tsdata->vcc), "failed to request regulator\n"); tsdata->iovcc = devm_regulator_get(&client->dev, "iovcc"); if (IS_ERR(tsdata->iovcc)) { error = PTR_ERR(tsdata->iovcc); if (error != -EPROBE_DEFER) dev_err(&client->dev, "failed to request iovcc regulator: %d\n", error); return error; } error = regulator_enable(tsdata->iovcc); if (error < 0) { dev_err(&client->dev, "failed to enable iovcc: %d\n", error); return error; } /* Delay enabling VCC for > 10us (T_ivd) after IOVCC */ usleep_range(10, 100); error = regulator_enable(tsdata->vcc); if (error < 0) { dev_err(&client->dev, "failed to enable vcc: %d\n", error); regulator_disable(tsdata->iovcc); return error; } error = devm_add_action_or_reset(&client->dev, edt_ft5x06_disable_regulators, tsdata); if (error) return error; tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(tsdata->reset_gpio)) { error = PTR_ERR(tsdata->reset_gpio); dev_err(&client->dev, "Failed to request GPIO reset pin, error %d\n", error); return error; } tsdata->wake_gpio = devm_gpiod_get_optional(&client->dev, "wake", GPIOD_OUT_LOW); if (IS_ERR(tsdata->wake_gpio)) { error = PTR_ERR(tsdata->wake_gpio); dev_err(&client->dev, "Failed to request GPIO wake pin, error %d\n", error); return error; } /* * Check which sleep modes we can support. Power-off requieres the * reset-pin to ensure correct power-down/power-up behaviour. Start with * the EDT_PMODE_POWEROFF test since this is the deepest possible sleep * mode. */ if (tsdata->reset_gpio) tsdata->suspend_mode = EDT_PMODE_POWEROFF; else if (tsdata->wake_gpio) tsdata->suspend_mode = EDT_PMODE_HIBERNATE; else tsdata->suspend_mode = EDT_PMODE_NOT_SUPPORTED; if (tsdata->wake_gpio) { usleep_range(5000, 6000); gpiod_set_value_cansleep(tsdata->wake_gpio, 1); usleep_range(5000, 6000); } if (tsdata->reset_gpio) { usleep_range(5000, 6000); gpiod_set_value_cansleep(tsdata->reset_gpio, 0); msleep(300); } input = devm_input_allocate_device(&client->dev); if (!input) { dev_err(&client->dev, "failed to allocate input device.\n"); return -ENOMEM; } mutex_init(&tsdata->mutex); tsdata->client = client; tsdata->input = input; tsdata->factory_mode = false; i2c_set_clientdata(client, tsdata); error = edt_ft5x06_ts_identify(client, tsdata); if (error) { dev_err(&client->dev, "touchscreen probe failed\n"); return error; } /* * Dummy read access. EP0700MLP1 returns bogus data on the first * register read access and ignores writes. */ regmap_read(tsdata->regmap, 0x00, &val); edt_ft5x06_ts_set_tdata_parameters(tsdata); edt_ft5x06_ts_set_regs(tsdata); edt_ft5x06_ts_get_defaults(&client->dev, tsdata); edt_ft5x06_ts_get_parameters(tsdata); if (tsdata->reg_addr.reg_report_rate != NO_REGISTER && !device_property_read_u32(&client->dev, "report-rate-hz", &report_rate)) { if (tsdata->version == EDT_M06) tsdata->report_rate = clamp_val(report_rate, 30, 140); else tsdata->report_rate = clamp_val(report_rate, 1, 255); if (report_rate != tsdata->report_rate) dev_warn(&client->dev, "report-rate %dHz is unsupported, use %dHz\n", report_rate, tsdata->report_rate); if (tsdata->version == EDT_M06) tsdata->report_rate /= 10; regmap_write(tsdata->regmap, tsdata->reg_addr.reg_report_rate, tsdata->report_rate); } dev_dbg(&client->dev, "Model \"%s\", Rev. \"%s\", %dx%d sensors\n", tsdata->name, tsdata->fw_version, tsdata->num_x, tsdata->num_y); input->name = tsdata->name; input->id.bustype = BUS_I2C; input->dev.parent = &client->dev; input_set_abs_params(input, ABS_MT_POSITION_X, 0, tsdata->num_x * 64 - 1, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, tsdata->num_y * 64 - 1, 0, 0); touchscreen_parse_properties(input, true, &tsdata->prop); error = input_mt_init_slots(input, tsdata->max_support_points, INPUT_MT_DIRECT); if (error) { dev_err(&client->dev, "Unable to init MT slots.\n"); return error; } irq_flags = irq_get_trigger_type(client->irq); if (irq_flags == IRQF_TRIGGER_NONE) irq_flags = IRQF_TRIGGER_FALLING; irq_flags |= IRQF_ONESHOT; error = devm_request_threaded_irq(&client->dev, client->irq, NULL, edt_ft5x06_ts_isr, irq_flags, client->name, tsdata); if (error) { dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); return error; } error = input_register_device(input); if (error) return error; edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev)); dev_dbg(&client->dev, "EDT FT5x06 initialized: IRQ %d, WAKE pin %d, Reset pin %d.\n", client->irq, tsdata->wake_gpio ? desc_to_gpio(tsdata->wake_gpio) : -1, tsdata->reset_gpio ? desc_to_gpio(tsdata->reset_gpio) : -1); return 0; } static void edt_ft5x06_ts_remove(struct i2c_client *client) { struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); edt_ft5x06_ts_teardown_debugfs(tsdata); regmap_exit(tsdata->regmap); } static int edt_ft5x06_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); struct gpio_desc *reset_gpio = tsdata->reset_gpio; int ret; if (device_may_wakeup(dev)) return 0; if (tsdata->suspend_mode == EDT_PMODE_NOT_SUPPORTED) return 0; /* Enter hibernate mode. */ ret = regmap_write(tsdata->regmap, PMOD_REGISTER_OPMODE, PMOD_REGISTER_HIBERNATE); if (ret) dev_warn(dev, "Failed to set hibernate mode\n"); if (tsdata->suspend_mode == EDT_PMODE_HIBERNATE) return 0; /* * Power-off according the datasheet. Cut the power may leaf the irq * line in an undefined state depending on the host pull resistor * settings. Disable the irq to avoid adjusting each host till the * device is back in a full functional state. */ disable_irq(tsdata->client->irq); gpiod_set_value_cansleep(reset_gpio, 1); usleep_range(1000, 2000); ret = regulator_disable(tsdata->vcc); if (ret) dev_warn(dev, "Failed to disable vcc\n"); ret = regulator_disable(tsdata->iovcc); if (ret) dev_warn(dev, "Failed to disable iovcc\n"); return 0; } static int edt_ft5x06_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); int ret = 0; if (device_may_wakeup(dev)) return 0; if (tsdata->suspend_mode == EDT_PMODE_NOT_SUPPORTED) return 0; if (tsdata->suspend_mode == EDT_PMODE_POWEROFF) { struct gpio_desc *reset_gpio = tsdata->reset_gpio; /* * We can't check if the regulator is a dummy or a real * regulator. So we need to specify the 5ms reset time (T_rst) * here instead of the 100us T_rtp time. We also need to wait * 300ms in case it was a real supply and the power was cutted * of. Toggle the reset pin is also a way to exit the hibernate * mode. */ gpiod_set_value_cansleep(reset_gpio, 1); usleep_range(5000, 6000); ret = regulator_enable(tsdata->iovcc); if (ret) { dev_err(dev, "Failed to enable iovcc\n"); return ret; } /* Delay enabling VCC for > 10us (T_ivd) after IOVCC */ usleep_range(10, 100); ret = regulator_enable(tsdata->vcc); if (ret) { dev_err(dev, "Failed to enable vcc\n"); regulator_disable(tsdata->iovcc); return ret; } usleep_range(1000, 2000); gpiod_set_value_cansleep(reset_gpio, 0); msleep(300); edt_ft5x06_restore_reg_parameters(tsdata); enable_irq(tsdata->client->irq); if (tsdata->factory_mode) ret = edt_ft5x06_factory_mode(tsdata); } else { struct gpio_desc *wake_gpio = tsdata->wake_gpio; gpiod_set_value_cansleep(wake_gpio, 0); usleep_range(5000, 6000); gpiod_set_value_cansleep(wake_gpio, 1); } return ret; } static DEFINE_SIMPLE_DEV_PM_OPS(edt_ft5x06_ts_pm_ops, edt_ft5x06_ts_suspend, edt_ft5x06_ts_resume); static const struct edt_i2c_chip_data edt_ft5x06_data = { .max_support_points = 5, }; static const struct edt_i2c_chip_data edt_ft5452_data = { .max_support_points = 5, }; static const struct edt_i2c_chip_data edt_ft5506_data = { .max_support_points = 10, }; static const struct edt_i2c_chip_data edt_ft6236_data = { .max_support_points = 2, }; static const struct edt_i2c_chip_data edt_ft8201_data = { .max_support_points = 10, }; static const struct edt_i2c_chip_data edt_ft8719_data = { .max_support_points = 10, }; static const struct i2c_device_id edt_ft5x06_ts_id[] = { { .name = "edt-ft5x06", .driver_data = (long)&edt_ft5x06_data }, { .name = "edt-ft5506", .driver_data = (long)&edt_ft5506_data }, { .name = "ev-ft5726", .driver_data = (long)&edt_ft5506_data }, { .name = "ft5452", .driver_data = (long)&edt_ft5452_data }, /* Note no edt- prefix for compatibility with the ft6236.c driver */ { .name = "ft6236", .driver_data = (long)&edt_ft6236_data }, { .name = "ft8201", .driver_data = (long)&edt_ft8201_data }, { .name = "ft8719", .driver_data = (long)&edt_ft8719_data }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(i2c, edt_ft5x06_ts_id); static const struct of_device_id edt_ft5x06_of_match[] = { { .compatible = "edt,edt-ft5206", .data = &edt_ft5x06_data }, { .compatible = "edt,edt-ft5306", .data = &edt_ft5x06_data }, { .compatible = "edt,edt-ft5406", .data = &edt_ft5x06_data }, { .compatible = "edt,edt-ft5506", .data = &edt_ft5506_data }, { .compatible = "evervision,ev-ft5726", .data = &edt_ft5506_data }, { .compatible = "focaltech,ft5426", .data = &edt_ft5506_data }, { .compatible = "focaltech,ft5452", .data = &edt_ft5452_data }, /* Note focaltech vendor prefix for compatibility with ft6236.c */ { .compatible = "focaltech,ft6236", .data = &edt_ft6236_data }, { .compatible = "focaltech,ft8201", .data = &edt_ft8201_data }, { .compatible = "focaltech,ft8719", .data = &edt_ft8719_data }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, edt_ft5x06_of_match); static struct i2c_driver edt_ft5x06_ts_driver = { .driver = { .name = "edt_ft5x06", .dev_groups = edt_ft5x06_groups, .of_match_table = edt_ft5x06_of_match, .pm = pm_sleep_ptr(&edt_ft5x06_ts_pm_ops), .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .id_table = edt_ft5x06_ts_id, .probe = edt_ft5x06_ts_probe, .remove = edt_ft5x06_ts_remove, }; module_i2c_driver(edt_ft5x06_ts_driver); MODULE_AUTHOR("Simon Budig <simon.budig@kernelconcepts.de>"); MODULE_DESCRIPTION("EDT FT5x06 I2C Touchscreen Driver"); MODULE_LICENSE("GPL v2");
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