diff options
Diffstat (limited to 'drivers/input/mouse/elan_i2c_core.c')
| -rw-r--r-- | drivers/input/mouse/elan_i2c_core.c | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 4ca73013a..fc27409dd 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -4,7 +4,7 @@ * Copyright (c) 2013 ELAN Microelectronics Corp. * * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw> - * Version: 1.5.9 + * Version: 1.6.0 * * Based on cyapa driver: * copyright (c) 2011-2012 Cypress Semiconductor, Inc. @@ -40,7 +40,7 @@ #include "elan_i2c.h" #define DRIVER_NAME "elan_i2c" -#define ELAN_DRIVER_VERSION "1.5.9" +#define ELAN_DRIVER_VERSION "1.6.1" #define ETP_MAX_PRESSURE 255 #define ETP_FWIDTH_REDUCE 90 #define ETP_FINGER_WIDTH 15 @@ -76,7 +76,7 @@ struct elan_tp_data { unsigned int x_res; unsigned int y_res; - u8 product_id; + u16 product_id; u8 fw_version; u8 sm_version; u8 iap_version; @@ -84,7 +84,7 @@ struct elan_tp_data { int pressure_adjustment; u8 mode; u8 ic_type; - u16 fw_vaildpage_count; + u16 fw_validpage_count; u16 fw_signature_address; bool irq_wake; @@ -94,25 +94,38 @@ struct elan_tp_data { bool baseline_ready; }; -static int elan_get_fwinfo(u8 ic_type, u16 *vaildpage_count, +static int elan_get_fwinfo(u8 iap_version, u16 *validpage_count, u16 *signature_address) { - switch(ic_type) { + switch (iap_version) { + case 0x00: + case 0x06: + case 0x08: + *validpage_count = 512; + break; + case 0x03: + case 0x07: case 0x09: - *vaildpage_count = 768; + case 0x0A: + case 0x0B: + case 0x0C: + *validpage_count = 768; break; case 0x0D: - *vaildpage_count = 896; + *validpage_count = 896; + break; + case 0x0E: + *validpage_count = 640; break; default: /* unknown ic type clear value */ - *vaildpage_count = 0; + *validpage_count = 0; *signature_address = 0; return -ENXIO; } *signature_address = - (*vaildpage_count * ETP_FW_PAGE_SIZE) - ETP_FW_SIGNATURE_SIZE; + (*validpage_count * ETP_FW_PAGE_SIZE) - ETP_FW_SIGNATURE_SIZE; return 0; } @@ -261,13 +274,12 @@ static int elan_query_device_info(struct elan_tp_data *data) if (error) return error; - error = elan_get_fwinfo(data->ic_type, &data->fw_vaildpage_count, + error = elan_get_fwinfo(data->iap_version, &data->fw_validpage_count, &data->fw_signature_address); - if (error) { - dev_err(&data->client->dev, - "unknown ic type %d\n", data->ic_type); - return error; - } + if (error) + dev_warn(&data->client->dev, + "unexpected iap version %#04x (ic type: %#04x), firmware update will not work\n", + data->iap_version, data->ic_type); return 0; } @@ -353,7 +365,7 @@ static int __elan_update_firmware(struct elan_tp_data *data, iap_start_addr = get_unaligned_le16(&fw->data[ETP_IAP_START_ADDR * 2]); boot_page_count = (iap_start_addr * 2) / ETP_FW_PAGE_SIZE; - for (i = boot_page_count; i < data->fw_vaildpage_count; i++) { + for (i = boot_page_count; i < data->fw_validpage_count; i++) { u16 checksum = 0; const u8 *page = &fw->data[i * ETP_FW_PAGE_SIZE]; @@ -483,6 +495,9 @@ static ssize_t elan_sysfs_update_fw(struct device *dev, const u8 *fw_signature; static const u8 signature[] = {0xAA, 0x55, 0xCC, 0x33, 0xFF, 0xFF}; + if (data->fw_validpage_count == 0) + return -EINVAL; + /* Look for a firmware with the product id appended. */ fw_name = kasprintf(GFP_KERNEL, ETP_FW_NAME, data->product_id); if (!fw_name) { @@ -1165,6 +1180,9 @@ MODULE_DEVICE_TABLE(i2c, elan_id); #ifdef CONFIG_ACPI static const struct acpi_device_id elan_acpi_id[] = { { "ELAN0000", 0 }, + { "ELAN0100", 0 }, + { "ELAN0600", 0 }, + { "ELAN1000", 0 }, { } }; MODULE_DEVICE_TABLE(acpi, elan_acpi_id); @@ -1181,10 +1199,10 @@ MODULE_DEVICE_TABLE(of, elan_of_match); static struct i2c_driver elan_driver = { .driver = { .name = DRIVER_NAME, - .owner = THIS_MODULE, .pm = &elan_pm_ops, .acpi_match_table = ACPI_PTR(elan_acpi_id), .of_match_table = of_match_ptr(elan_of_match), + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = elan_probe, .id_table = elan_id, |