int FirmwareUpgrade (struct synaptics_ts_data *ts, const char* fw_path) {
int ret = 0;
const struct firmware *fw_entry = NULL;
if ((ret = request_firmware(&fw_entry, fw_path, &ts->client->dev)) != 0) {
TOUCH_ERR("request_firmware() failed %d\n", ret);
goto error;
}
my_image_size = fw_entry->size;
my_image_bin = kzalloc(sizeof(char) * (my_image_size+1), GFP_KERNEL);
if (my_image_bin == NULL) {
TOUCH_ERR("Can not allocate memory\n");
ret = -ENOMEM;
goto error;
}
memcpy(my_image_bin, fw_entry->data, my_image_size);
/* for checksum */
*(my_image_bin+my_image_size) = 0xFF;
// strncpy(ts->fw_info.fw_image_product_id, &my_image_bin[0x0040], 6);
// strncpy(ts->fw_info.fw_image_version, &my_image_bin[0x16d00], 4);
// ts->fw_info.fw_start = (unsigned char*)&my_image_bin[0];
// ts->fw_info.fw_size = my_image_size;
CompleteReflash(ts);
release_firmware(fw_entry);
return ret;
error:
if ( fw_entry != NULL )
memset(&fw_entry, 0, sizeof(fw_entry));
return ret;
}
int FirmwareUpgrade (struct synaptics_ts_data *ts, const char* fw_path) {
int ret = 0;
int fd = -1;
mm_segment_t old_fs = 0;
struct stat fw_bin_stat;
unsigned long read_bytes;
if (unlikely(fw_path[0] != 0)) {
old_fs = get_fs();
set_fs(get_ds());
fd = sys_open((const char __user *) fw_path, O_RDONLY, 0);
if (fd < 0) {
TOUCH_ERR_MSG("Can not read FW binary from %s\n", fw_path);
ret = -EEXIST;
goto read_fail;
}
ret = sys_newstat((char __user *) fw_path, (struct stat *)&fw_bin_stat);
if (ret < 0) {
TOUCH_ERR_MSG("Can not read FW binary stat from %s\n", fw_path);
goto fw_mem_alloc_fail;
}
my_image_size = fw_bin_stat.st_size;
my_image_bin = kzalloc(sizeof(char) * (my_image_size+1), GFP_KERNEL);
if (my_image_bin == NULL) {
TOUCH_ERR_MSG("Can not allocate memory\n");
ret = -ENOMEM;
goto fw_mem_alloc_fail;
}
read_bytes = sys_read(fd, (char __user *)my_image_bin, my_image_size);
/* for checksum */
*(my_image_bin+my_image_size) = 0xFF;
TOUCH_INFO_MSG("Touch FW image read %ld bytes from %s\n", read_bytes, fw_path);
} else {
my_image_size = ts->fw_info.fw_size-1;
my_image_bin = (unsigned char *)(&ts->fw_info.fw_start[0]);
}
CompleteReflash(ts);
/*
ret = CompleteReflash(ts);
if (ret < 0) {
TOUCH_ERR_MSG("CompleteReflash_Lockdown fail\n");
}
*/
if (unlikely(fw_path[0] != 0))
kfree(my_image_bin);
fw_mem_alloc_fail:
sys_close(fd);
read_fail:
set_fs(old_fs);
return ret;
}
static int __devinit rmi_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct rmi_phys_device *rmi_phys;
struct rmi_i2c_data *data;
struct rmi_device_platform_data *pdata = client->dev.platform_data;
int error;
if (!pdata) {
dev_err(&client->dev, "no platform data\n");
return -EINVAL;
}
pr_info("%s: Probing %s at %#02x (IRQ %d).\n", __func__,
pdata->sensor_name ? pdata->sensor_name : "-no name-",
client->addr, pdata->attn_gpio);
error = i2c_check_functionality(client->adapter, I2C_FUNC_I2C);
if (!error) {
dev_err(&client->dev, "i2c_check_functionality error %d.\n",
error);
return error;
}
rmi_phys = kzalloc(sizeof(struct rmi_phys_device), GFP_KERNEL);
if (!rmi_phys)
return -ENOMEM;
data = kzalloc(sizeof(struct rmi_i2c_data), GFP_KERNEL);
if (!data) {
error = -ENOMEM;
goto err_phys;
}
data->enabled = true; /* We plan to come up enabled. */
data->irq = gpio_to_irq(pdata->attn_gpio);
if (pdata->level_triggered) {
data->irq_flags = IRQF_ONESHOT |
((pdata->attn_polarity == RMI_ATTN_ACTIVE_HIGH) ?
IRQF_TRIGGER_HIGH : IRQF_TRIGGER_LOW);
} else {
data->irq_flags =
(pdata->attn_polarity == RMI_ATTN_ACTIVE_HIGH) ?
IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING;
}
data->phys = rmi_phys;
rmi_phys->data = data;
rmi_phys->dev = &client->dev;
rmi_phys->write = rmi_i2c_write;
rmi_phys->write_block = rmi_i2c_write_block;
rmi_phys->read = rmi_i2c_read;
rmi_phys->read_block = rmi_i2c_read_block;
rmi_phys->enable_device = enable_device;
rmi_phys->disable_device = disable_device;
rmi_phys->info.proto = phys_proto_name;
mutex_init(&data->page_mutex);
/* Setting the page to zero will (a) make sure the PSR is in a
* known state, and (b) make sure we can talk to the device.
*/
error = rmi_set_page(rmi_phys, 0);
if (error) {
dev_err(&client->dev, "Failed to set page select to 0.\n");
goto err_data;
}
if (pdata->gpio_config) {
error = pdata->gpio_config(pdata->gpio_data, true);
if (error < 0) {
dev_err(&client->dev, "failed to setup irq %d\n",
pdata->attn_gpio);
goto err_data;
}
}
error = rmi_register_phys_device(rmi_phys);
if (error) {
dev_err(&client->dev,
"failed to register physical driver at 0x%.2X.\n",
client->addr);
goto err_gpio;
}
i2c_set_clientdata(client, rmi_phys);
if (pdata->attn_gpio > 0) {
error = acquire_attn_irq(data);
if (error < 0) {
dev_err(&client->dev,
"request_threaded_irq failed %d\n",
pdata->attn_gpio);
goto err_unregister;
}
}
#if defined(CONFIG_RMI4_DEV)
error = gpio_export(pdata->attn_gpio, false);
if (error) {
dev_warn(&client->dev, "%s: WARNING: Failed to "
"export ATTN gpio!\n", __func__);
error = 0;
} else {
error = gpio_export_link(&(rmi_phys->rmi_dev->dev), "attn",
pdata->attn_gpio);
if (error) {
dev_warn(&(rmi_phys->rmi_dev->dev),
"%s: WARNING: Failed to symlink ATTN gpio!\n",
__func__);
error = 0;
} else {
dev_info(&(rmi_phys->rmi_dev->dev),
"%s: Exported GPIO %d.", __func__,
pdata->attn_gpio);
}
}
#endif /* CONFIG_RMI4_DEV */
dev_info(&client->dev, "registered rmi i2c driver at 0x%.2X.\n",
client->addr);
//reflash the new firmware revision [email protected]
#ifdef CONFIG_RMI4_REFLASH_WHEN_BOOT
CompleteReflash(rmi_phys);
#endif
return 0;
err_unregister:
rmi_unregister_phys_device(rmi_phys);
err_gpio:
if (pdata->gpio_config)
pdata->gpio_config(pdata->gpio_data, false);
err_data:
kfree(data);
err_phys:
kfree(rmi_phys);
return error;
}