From 36465787fbaa0c427720a57adcf08b61194f67b4 Mon Sep 17 00:00:00 2001 From: Brandon Chuang Date: Wed, 31 Jan 2018 14:38:13 +0800 Subject: [PATCH] [as5812-54t] Add support for OOM driver --- .../builds/x86-64-accton-as5812-54t-cpld.c | 457 +++++ .../builds/x86-64-accton-as5812-54t-fan.c | 15 +- .../builds/x86-64-accton-as5812-54t-leds.c | 15 +- .../builds/x86-64-accton-as5812-54t-psu.c | 22 +- .../builds/x86-64-accton-as5812-54t-sfp.c | 1502 ----------------- .../onlp/builds/src/module/src/sfpi.c | 131 +- .../x86_64_accton_as5812_54t_r0/__init__.py | 21 +- 7 files changed, 520 insertions(+), 1643 deletions(-) create mode 100644 packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-cpld.c delete mode 100644 packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-sfp.c diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-cpld.c b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-cpld.c new file mode 100644 index 00000000..f4da9e76 --- /dev/null +++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-cpld.c @@ -0,0 +1,457 @@ +/* + * A hwmon driver for the as5812_54t_cpld + * + * Copyright (C) 2013 Accton Technology Corporation. + * Brandon Chuang + * + * Based on ad7414.c + * Copyright 2006 Stefan Roese , DENX Software Engineering + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static LIST_HEAD(cpld_client_list); +static struct mutex list_lock; + +struct cpld_client_node { + struct i2c_client *client; + struct list_head list; +}; + +#define I2C_RW_RETRY_COUNT 10 +#define I2C_RW_RETRY_INTERVAL 60 /* ms */ + +static ssize_t show_present(struct device *dev, struct device_attribute *da, + char *buf); +static ssize_t show_present_all(struct device *dev, struct device_attribute *da, + char *buf); +static ssize_t access(struct device *dev, struct device_attribute *da, + const char *buf, size_t count); +static ssize_t show_version(struct device *dev, struct device_attribute *da, + char *buf); +static int as5812_54t_cpld_read_internal(struct i2c_client *client, u8 reg); +static int as5812_54t_cpld_write_internal(struct i2c_client *client, u8 reg, u8 value); + +struct as5812_54t_cpld_data { + struct device *hwmon_dev; + struct mutex update_lock; +}; + +/* Addresses scanned for as5812_54t_cpld + */ +static const unsigned short normal_i2c[] = { I2C_CLIENT_END }; + +#define TRANSCEIVER_PRESENT_ATTR_ID(index) MODULE_PRESENT_##index + +enum as5812_54t_cpld_sysfs_attributes { + CPLD_VERSION, + ACCESS, + MODULE_PRESENT_ALL, + /* transceiver attributes */ + TRANSCEIVER_PRESENT_ATTR_ID(49), + TRANSCEIVER_PRESENT_ATTR_ID(50), + TRANSCEIVER_PRESENT_ATTR_ID(51), + TRANSCEIVER_PRESENT_ATTR_ID(52), + TRANSCEIVER_PRESENT_ATTR_ID(53), + TRANSCEIVER_PRESENT_ATTR_ID(54), +}; + +/* sysfs attributes for hwmon + */ + +/* transceiver attributes */ +#define DECLARE_TRANSCEIVER_SENSOR_DEVICE_ATTR(index) \ + static SENSOR_DEVICE_ATTR(module_present_##index, S_IRUGO, show_present, NULL, MODULE_PRESENT_##index) +#define DECLARE_TRANSCEIVER_ATTR(index) &sensor_dev_attr_module_present_##index.dev_attr.attr + +static SENSOR_DEVICE_ATTR(version, S_IRUGO, show_version, NULL, CPLD_VERSION); +static SENSOR_DEVICE_ATTR(access, S_IWUSR, NULL, access, ACCESS); +/* transceiver attributes */ +static SENSOR_DEVICE_ATTR(module_present_all, S_IRUGO, show_present_all, NULL, MODULE_PRESENT_ALL); +DECLARE_TRANSCEIVER_SENSOR_DEVICE_ATTR(49); +DECLARE_TRANSCEIVER_SENSOR_DEVICE_ATTR(50); +DECLARE_TRANSCEIVER_SENSOR_DEVICE_ATTR(51); +DECLARE_TRANSCEIVER_SENSOR_DEVICE_ATTR(52); +DECLARE_TRANSCEIVER_SENSOR_DEVICE_ATTR(53); +DECLARE_TRANSCEIVER_SENSOR_DEVICE_ATTR(54); + +static struct attribute *as5812_54t_cpld_attributes[] = { + &sensor_dev_attr_version.dev_attr.attr, + &sensor_dev_attr_access.dev_attr.attr, + /* transceiver attributes */ + &sensor_dev_attr_module_present_all.dev_attr.attr, + DECLARE_TRANSCEIVER_ATTR(49), + DECLARE_TRANSCEIVER_ATTR(50), + DECLARE_TRANSCEIVER_ATTR(51), + DECLARE_TRANSCEIVER_ATTR(52), + DECLARE_TRANSCEIVER_ATTR(53), + DECLARE_TRANSCEIVER_ATTR(54), + NULL +}; + +static const struct attribute_group as5812_54t_cpld_group = { + .attrs = as5812_54t_cpld_attributes, +}; + +static ssize_t show_present_all(struct device *dev, struct device_attribute *da, + char *buf) +{ + int status; + u8 value = 0; + u8 reg = 0x22; + struct i2c_client *client = to_i2c_client(dev); + struct as5812_54t_cpld_data *data = i2c_get_clientdata(client); + + mutex_lock(&data->update_lock); + + status = as5812_54t_cpld_read_internal(client, reg); + if (status < 0) { + goto exit; + } + + value = ~(u8)status; + value &= 0x3F; + + mutex_unlock(&data->update_lock); + + /* Return values 49 -> 54 in order */ + return sprintf(buf, "%.2x\n", value); + +exit: + mutex_unlock(&data->update_lock); + return status; +} + +static ssize_t show_present(struct device *dev, struct device_attribute *da, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct i2c_client *client = to_i2c_client(dev); + struct as5812_54t_cpld_data *data = i2c_get_clientdata(client); + int status = 0; + u8 reg = 0, mask = 0; + + reg = 0x22; + mask = 0x1 << (attr->index - MODULE_PRESENT_49); + + mutex_lock(&data->update_lock); + status = as5812_54t_cpld_read_internal(client, reg); + if (unlikely(status < 0)) { + goto exit; + } + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%d\n", !(status & mask)); + +exit: + mutex_unlock(&data->update_lock); + return status; +} + +static ssize_t show_version(struct device *dev, struct device_attribute *da, + char *buf) +{ + u8 reg = 0, mask = 0; + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct i2c_client *client = to_i2c_client(dev); + struct as5812_54t_cpld_data *data = i2c_get_clientdata(client); + int status = 0; + + switch (attr->index) { + case CPLD_VERSION: + reg = 0x1; + mask = 0xFF; + break; + default: + break; + } + + mutex_lock(&data->update_lock); + status = as5812_54t_cpld_read_internal(client, reg); + if (unlikely(status < 0)) { + goto exit; + } + mutex_unlock(&data->update_lock); + return sprintf(buf, "%d\n", (status & mask)); + +exit: + mutex_unlock(&data->update_lock); + return status; +} + +static ssize_t access(struct device *dev, struct device_attribute *da, + const char *buf, size_t count) +{ + int status; + u32 addr, val; + struct i2c_client *client = to_i2c_client(dev); + struct as5812_54t_cpld_data *data = i2c_get_clientdata(client); + + if (sscanf(buf, "0x%x 0x%x", &addr, &val) != 2) { + return -EINVAL; + } + + if (addr > 0xFF || val > 0xFF) { + return -EINVAL; + } + + mutex_lock(&data->update_lock); + status = as5812_54t_cpld_write_internal(client, addr, val); + if (unlikely(status < 0)) { + goto exit; + } + mutex_unlock(&data->update_lock); + return count; + +exit: + mutex_unlock(&data->update_lock); + return status; +} + +static int as5812_54t_cpld_read_internal(struct i2c_client *client, u8 reg) +{ + int status = 0, retry = I2C_RW_RETRY_COUNT; + + while (retry) { + status = i2c_smbus_read_byte_data(client, reg); + if (unlikely(status < 0)) { + msleep(I2C_RW_RETRY_INTERVAL); + retry--; + continue; + } + + break; + } + + return status; +} + +static int as5812_54t_cpld_write_internal(struct i2c_client *client, u8 reg, u8 value) +{ + int status = 0, retry = I2C_RW_RETRY_COUNT; + + while (retry) { + status = i2c_smbus_write_byte_data(client, reg, value); + if (unlikely(status < 0)) { + msleep(I2C_RW_RETRY_INTERVAL); + retry--; + continue; + } + + break; + } + + return status; +} + +static void as5812_54t_cpld_add_client(struct i2c_client *client) +{ + struct cpld_client_node *node = kzalloc(sizeof(struct cpld_client_node), GFP_KERNEL); + + if (!node) { + dev_dbg(&client->dev, "Can't allocate cpld_client_node (0x%x)\n", client->addr); + return; + } + + node->client = client; + + mutex_lock(&list_lock); + list_add(&node->list, &cpld_client_list); + mutex_unlock(&list_lock); +} + +static void as5812_54t_cpld_remove_client(struct i2c_client *client) +{ + struct list_head *list_node = NULL; + struct cpld_client_node *cpld_node = NULL; + int found = 0; + + mutex_lock(&list_lock); + + list_for_each(list_node, &cpld_client_list) + { + cpld_node = list_entry(list_node, struct cpld_client_node, list); + + if (cpld_node->client == client) { + found = 1; + break; + } + } + + if (found) { + list_del(list_node); + kfree(cpld_node); + } + + mutex_unlock(&list_lock); +} + +static int as5812_54t_cpld_probe(struct i2c_client *client, + const struct i2c_device_id *dev_id) +{ + int status; + struct as5812_54t_cpld_data *data = NULL; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { + dev_dbg(&client->dev, "i2c_check_functionality failed (0x%x)\n", client->addr); + status = -EIO; + goto exit; + } + + data = kzalloc(sizeof(struct as5812_54t_cpld_data), GFP_KERNEL); + if (!data) { + status = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->update_lock); + dev_info(&client->dev, "chip found\n"); + + /* Register sysfs hooks */ + status = sysfs_create_group(&client->dev.kobj, &as5812_54t_cpld_group); + if (status) { + goto exit_free; + } + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + status = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } + + as5812_54t_cpld_add_client(client); + + dev_info(&client->dev, "%s: cpld '%s'\n", + dev_name(data->hwmon_dev), client->name); + + return 0; + +exit_remove: + sysfs_remove_group(&client->dev.kobj, &as5812_54t_cpld_group); +exit_free: + kfree(data); +exit: + + return status; +} + +static int as5812_54t_cpld_remove(struct i2c_client *client) +{ + struct as5812_54t_cpld_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &as5812_54t_cpld_group); + kfree(data); + as5812_54t_cpld_remove_client(client); + + return 0; +} + +int as5812_54t_cpld_read(unsigned short cpld_addr, u8 reg) +{ + struct list_head *list_node = NULL; + struct cpld_client_node *cpld_node = NULL; + int ret = -EPERM; + + mutex_lock(&list_lock); + + list_for_each(list_node, &cpld_client_list) + { + cpld_node = list_entry(list_node, struct cpld_client_node, list); + + if (cpld_node->client->addr == cpld_addr) { + ret = i2c_smbus_read_byte_data(cpld_node->client, reg); + break; + } + } + + mutex_unlock(&list_lock); + + return ret; +} +EXPORT_SYMBOL(as5812_54t_cpld_read); + +int as5812_54t_cpld_write(unsigned short cpld_addr, u8 reg, u8 value) +{ + struct list_head *list_node = NULL; + struct cpld_client_node *cpld_node = NULL; + int ret = -EIO; + + mutex_lock(&list_lock); + + list_for_each(list_node, &cpld_client_list) + { + cpld_node = list_entry(list_node, struct cpld_client_node, list); + + if (cpld_node->client->addr == cpld_addr) { + ret = i2c_smbus_write_byte_data(cpld_node->client, reg, value); + break; + } + } + + mutex_unlock(&list_lock); + + return ret; +} +EXPORT_SYMBOL(as5812_54t_cpld_write); + +static const struct i2c_device_id as5812_54t_cpld_id[] = { + { "as5812_54t_cpld", 0 }, + {} +}; +MODULE_DEVICE_TABLE(i2c, as5812_54t_cpld_id); + +static struct i2c_driver as5812_54t_cpld_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "as5812_54t_cpld", + }, + .probe = as5812_54t_cpld_probe, + .remove = as5812_54t_cpld_remove, + .id_table = as5812_54t_cpld_id, + .address_list = normal_i2c, +}; + +static int __init as5812_54t_cpld_init(void) +{ + mutex_init(&list_lock); + return i2c_add_driver(&as5812_54t_cpld_driver); +} + +static void __exit as5812_54t_cpld_exit(void) +{ + i2c_del_driver(&as5812_54t_cpld_driver); +} + +module_init(as5812_54t_cpld_init); +module_exit(as5812_54t_cpld_exit); + +MODULE_AUTHOR("Brandon Chuang "); +MODULE_DESCRIPTION("as5812_54t_cpld driver"); +MODULE_LICENSE("GPL"); + diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-fan.c b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-fan.c index bad9245e..d6554637 100644 --- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-fan.c +++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-fan.c @@ -131,8 +131,8 @@ static ssize_t fan_set_duty_cycle(struct device *dev, static ssize_t fan_show_value(struct device *dev, struct device_attribute *da, char *buf); -extern int accton_i2c_cpld_read(unsigned short cpld_addr, u8 reg); -extern int accton_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value); +extern int as5812_54t_cpld_read(unsigned short cpld_addr, u8 reg); +extern int as5812_54t_cpld_write(unsigned short cpld_addr, u8 reg, u8 value); /*******************/ @@ -258,12 +258,12 @@ static const struct attribute_group accton_as5812_54t_fan_group = { static int accton_as5812_54t_fan_read_value(u8 reg) { - return accton_i2c_cpld_read(0x60, reg); + return as5812_54t_cpld_read(0x60, reg); } static int accton_as5812_54t_fan_write_value(u8 reg, u8 value) { - return accton_i2c_cpld_write(0x60, reg, value); + return as5812_54t_cpld_write(0x60, reg, value); } static void accton_as5812_54t_fan_update_device(struct device *dev) @@ -394,12 +394,7 @@ static int __init accton_as5812_54t_fan_init(void) { int ret; - extern int platform_accton_as5812_54t(void); - if (!platform_accton_as5812_54t()) { - return -ENODEV; - } - - ret = platform_driver_register(&accton_as5812_54t_fan_driver); + ret = platform_driver_register(&accton_as5812_54t_fan_driver); if (ret < 0) { goto exit; } diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-leds.c b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-leds.c index 011f62e7..2d70aa18 100644 --- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-leds.c +++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-leds.c @@ -29,8 +29,8 @@ #include #include -extern int accton_i2c_cpld_read(unsigned short cpld_addr, u8 reg); -extern int accton_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value); +extern int as5812_54t_cpld_read(unsigned short cpld_addr, u8 reg); +extern int as5812_54t_cpld_write(unsigned short cpld_addr, u8 reg, u8 value); extern void led_classdev_unregister(struct led_classdev *led_cdev); extern int led_classdev_register(struct device *parent, struct led_classdev *led_cdev); @@ -223,12 +223,12 @@ static u8 led_light_mode_to_reg_val(enum led_type type, static int accton_as5812_54t_led_read_value(u8 reg) { - return accton_i2c_cpld_read(0x60, reg); + return as5812_54t_cpld_read(0x60, reg); } static int accton_as5812_54t_led_write_value(u8 reg, u8 value) { - return accton_i2c_cpld_write(0x60, reg, value); + return as5812_54t_cpld_write(0x60, reg, value); } static void accton_as5812_54t_led_update(void) @@ -555,12 +555,7 @@ static int __init accton_as5812_54t_led_init(void) { int ret; - extern int platform_accton_as5812_54t(void); - if (!platform_accton_as5812_54t()) { - return -ENODEV; - } - - ret = platform_driver_register(&accton_as5812_54t_led_driver); + ret = platform_driver_register(&accton_as5812_54t_led_driver); if (ret < 0) { goto exit; } diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-psu.c b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-psu.c index a77014e8..75a2d823 100644 --- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-psu.c +++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-psu.c @@ -43,7 +43,7 @@ static ssize_t show_index(struct device *dev, struct device_attribute *da, char static ssize_t show_status(struct device *dev, struct device_attribute *da, char *buf); static ssize_t show_model_name(struct device *dev, struct device_attribute *da, char *buf); static int as5812_54t_psu_read_block(struct i2c_client *client, u8 command, u8 *data,int data_len); -extern int accton_i2c_cpld_read(unsigned short cpld_addr, u8 reg); +extern int as5812_54t_cpld_read(unsigned short cpld_addr, u8 reg); static int as5812_54t_psu_model_name_get(struct device *dev); /* Addresses scanned @@ -328,7 +328,7 @@ static struct as5812_54t_psu_data *as5812_54t_psu_update_device(struct device *d data->valid = 0; /* Read psu status */ - status = accton_i2c_cpld_read(PSU_STATUS_I2C_ADDR, PSU_STATUS_I2C_REG_OFFSET); + status = as5812_54t_cpld_read(PSU_STATUS_I2C_ADDR, PSU_STATUS_I2C_REG_OFFSET); if (status < 0) { dev_dbg(&client->dev, "cpld reg (0x%x) err %d\n", PSU_STATUS_I2C_ADDR, status); @@ -348,25 +348,9 @@ exit: return data; } -static int __init as5812_54t_psu_init(void) -{ - extern int platform_accton_as5812_54t(void); - if (!platform_accton_as5812_54t()) { - return -ENODEV; - } - - return i2c_add_driver(&as5812_54t_psu_driver); -} - -static void __exit as5812_54t_psu_exit(void) -{ - i2c_del_driver(&as5812_54t_psu_driver); -} +module_i2c_driver(as5812_54t_psu_driver); MODULE_AUTHOR("Brandon Chuang "); MODULE_DESCRIPTION("accton as5812_54t_psu driver"); MODULE_LICENSE("GPL"); -module_init(as5812_54t_psu_init); -module_exit(as5812_54t_psu_exit); - diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-sfp.c b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-sfp.c deleted file mode 100644 index 0f1b7aac..00000000 --- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/x86-64-accton-as5812-54t-sfp.c +++ /dev/null @@ -1,1502 +0,0 @@ -/* - * SFP driver for accton as5812_54t sfp - * - * Copyright (C) Brandon Chuang - * - * Based on ad7414.c - * Copyright 2006 Stefan Roese , DENX Software Engineering - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define DRIVER_NAME "as5812_54t_sfp" - -#define DEBUG_MODE 0 - -#if (DEBUG_MODE == 1) - #define DEBUG_PRINT(fmt, args...) \ - printk (KERN_INFO "%s:%s[%d]: " fmt "\r\n", __FILE__, __FUNCTION__, __LINE__, ##args) -#else - #define DEBUG_PRINT(fmt, args...) -#endif - -#define NUM_OF_SFP_PORT 32 -#define EEPROM_NAME "sfp_eeprom" -#define EEPROM_SIZE 256 /* 256 byte eeprom */ -#define BIT_INDEX(i) (1ULL << (i)) -#define USE_I2C_BLOCK_READ 1 /* Platform dependent */ -#define I2C_RW_RETRY_COUNT 10 -#define I2C_RW_RETRY_INTERVAL 60 /* ms */ - -#define SFP_EEPROM_A0_I2C_ADDR (0xA0 >> 1) - -#define SFF8024_PHYSICAL_DEVICE_ID_ADDR 0x0 -#define SFF8024_DEVICE_ID_SFP 0x3 -#define SFF8024_DEVICE_ID_QSFP 0xC -#define SFF8024_DEVICE_ID_QSFP_PLUS 0xD -#define SFF8024_DEVICE_ID_QSFP28 0x11 - -#define SFF8436_RX_LOS_ADDR 3 -#define SFF8436_TX_FAULT_ADDR 4 -#define SFF8436_TX_DISABLE_ADDR 86 - -#define MULTIPAGE_SUPPORT 1 - -#if (MULTIPAGE_SUPPORT == 1) -/* fundamental unit of addressing for SFF_8472/SFF_8436 */ -#define SFF_8436_PAGE_SIZE 128 -/* - * The current 8436 (QSFP) spec provides for only 4 supported - * pages (pages 0-3). - * This driver is prepared to support more, but needs a register in the - * EEPROM to indicate how many pages are supported before it is safe - * to implement more pages in the driver. - */ -#define SFF_8436_SPECED_PAGES 4 -#define SFF_8436_EEPROM_SIZE ((1 + SFF_8436_SPECED_PAGES) * SFF_8436_PAGE_SIZE) -#define SFF_8436_EEPROM_UNPAGED_SIZE (2 * SFF_8436_PAGE_SIZE) -/* - * The current 8472 (SFP) spec provides for only 3 supported - * pages (pages 0-2). - * This driver is prepared to support more, but needs a register in the - * EEPROM to indicate how many pages are supported before it is safe - * to implement more pages in the driver. - */ -#define SFF_8472_SPECED_PAGES 3 -#define SFF_8472_EEPROM_SIZE ((3 + SFF_8472_SPECED_PAGES) * SFF_8436_PAGE_SIZE) -#define SFF_8472_EEPROM_UNPAGED_SIZE (4 * SFF_8436_PAGE_SIZE) - -/* a few constants to find our way around the EEPROM */ -#define SFF_8436_PAGE_SELECT_REG 0x7F -#define SFF_8436_PAGEABLE_REG 0x02 -#define SFF_8436_NOT_PAGEABLE (1<<2) -#define SFF_8472_PAGEABLE_REG 0x40 -#define SFF_8472_PAGEABLE (1<<4) - -/* - * This parameter is to help this driver avoid blocking other drivers out - * of I2C for potentially troublesome amounts of time. With a 100 kHz I2C - * clock, one 256 byte read takes about 1/43 second which is excessive; - * but the 1/170 second it takes at 400 kHz may be quite reasonable; and - * at 1 MHz (Fm+) a 1/430 second delay could easily be invisible. - * - * This value is forced to be a power of two so that writes align on pages. - */ -static unsigned io_limit = SFF_8436_PAGE_SIZE; - -/* - * specs often allow 5 msec for a page write, sometimes 20 msec; - * it's important to recover from write timeouts. - */ -static unsigned write_timeout = 25; - -typedef enum qsfp_opcode { - QSFP_READ_OP = 0, - QSFP_WRITE_OP = 1 -} qsfp_opcode_e; -#endif - -static ssize_t show_port_number(struct device *dev, struct device_attribute *da, char *buf); -static ssize_t show_present(struct device *dev, struct device_attribute *da, char *buf); -static ssize_t qsfp_show_tx_rx_status(struct device *dev, struct device_attribute *da, char *buf); -static ssize_t qsfp_set_tx_disable(struct device *dev, struct device_attribute *da, const char *buf, size_t count);; -static ssize_t sfp_eeprom_read(struct i2c_client *, u8, u8 *,int); -static ssize_t sfp_eeprom_write(struct i2c_client *, u8 , const char *,int); -extern int accton_i2c_cpld_read(unsigned short cpld_addr, u8 reg); -extern int accton_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value); - -enum sfp_sysfs_attributes { - PRESENT, - PRESENT_ALL, - PORT_NUMBER, - PORT_TYPE, - DDM_IMPLEMENTED, - TX_FAULT, - TX_FAULT1, - TX_FAULT2, - TX_FAULT3, - TX_FAULT4, - TX_DISABLE, - TX_DISABLE1, - TX_DISABLE2, - TX_DISABLE3, - TX_DISABLE4, - RX_LOS, - RX_LOS1, - RX_LOS2, - RX_LOS3, - RX_LOS4, - RX_LOS_ALL -}; - -/* SFP/QSFP common attributes for sysfs */ -static SENSOR_DEVICE_ATTR(sfp_port_number, S_IRUGO, show_port_number, NULL, PORT_NUMBER); -static SENSOR_DEVICE_ATTR(sfp_is_present, S_IRUGO, show_present, NULL, PRESENT); -static SENSOR_DEVICE_ATTR(sfp_is_present_all, S_IRUGO, show_present, NULL, PRESENT_ALL); -static SENSOR_DEVICE_ATTR(sfp_tx_disable, S_IWUSR | S_IRUGO, qsfp_show_tx_rx_status, qsfp_set_tx_disable, TX_DISABLE); -static SENSOR_DEVICE_ATTR(sfp_tx_fault, S_IRUGO, qsfp_show_tx_rx_status, NULL, TX_FAULT); - -/* QSFP attributes for sysfs */ -static SENSOR_DEVICE_ATTR(sfp_rx_los, S_IRUGO, qsfp_show_tx_rx_status, NULL, RX_LOS); -static SENSOR_DEVICE_ATTR(sfp_rx_los1, S_IRUGO, qsfp_show_tx_rx_status, NULL, RX_LOS1); -static SENSOR_DEVICE_ATTR(sfp_rx_los2, S_IRUGO, qsfp_show_tx_rx_status, NULL, RX_LOS2); -static SENSOR_DEVICE_ATTR(sfp_rx_los3, S_IRUGO, qsfp_show_tx_rx_status, NULL, RX_LOS3); -static SENSOR_DEVICE_ATTR(sfp_rx_los4, S_IRUGO, qsfp_show_tx_rx_status, NULL, RX_LOS4); -static SENSOR_DEVICE_ATTR(sfp_tx_disable1, S_IWUSR | S_IRUGO, qsfp_show_tx_rx_status, qsfp_set_tx_disable, TX_DISABLE1); -static SENSOR_DEVICE_ATTR(sfp_tx_disable2, S_IWUSR | S_IRUGO, qsfp_show_tx_rx_status, qsfp_set_tx_disable, TX_DISABLE2); -static SENSOR_DEVICE_ATTR(sfp_tx_disable3, S_IWUSR | S_IRUGO, qsfp_show_tx_rx_status, qsfp_set_tx_disable, TX_DISABLE3); -static SENSOR_DEVICE_ATTR(sfp_tx_disable4, S_IWUSR | S_IRUGO, qsfp_show_tx_rx_status, qsfp_set_tx_disable, TX_DISABLE4); -static SENSOR_DEVICE_ATTR(sfp_tx_fault1, S_IRUGO, qsfp_show_tx_rx_status, NULL, TX_FAULT1); -static SENSOR_DEVICE_ATTR(sfp_tx_fault2, S_IRUGO, qsfp_show_tx_rx_status, NULL, TX_FAULT2); -static SENSOR_DEVICE_ATTR(sfp_tx_fault3, S_IRUGO, qsfp_show_tx_rx_status, NULL, TX_FAULT3); -static SENSOR_DEVICE_ATTR(sfp_tx_fault4, S_IRUGO, qsfp_show_tx_rx_status, NULL, TX_FAULT4); -static struct attribute *qsfp_attributes[] = { - &sensor_dev_attr_sfp_port_number.dev_attr.attr, - &sensor_dev_attr_sfp_is_present.dev_attr.attr, - &sensor_dev_attr_sfp_is_present_all.dev_attr.attr, - &sensor_dev_attr_sfp_rx_los.dev_attr.attr, - &sensor_dev_attr_sfp_rx_los1.dev_attr.attr, - &sensor_dev_attr_sfp_rx_los2.dev_attr.attr, - &sensor_dev_attr_sfp_rx_los3.dev_attr.attr, - &sensor_dev_attr_sfp_rx_los4.dev_attr.attr, - &sensor_dev_attr_sfp_tx_disable.dev_attr.attr, - &sensor_dev_attr_sfp_tx_disable1.dev_attr.attr, - &sensor_dev_attr_sfp_tx_disable2.dev_attr.attr, - &sensor_dev_attr_sfp_tx_disable3.dev_attr.attr, - &sensor_dev_attr_sfp_tx_disable4.dev_attr.attr, - &sensor_dev_attr_sfp_tx_fault.dev_attr.attr, - &sensor_dev_attr_sfp_tx_fault1.dev_attr.attr, - &sensor_dev_attr_sfp_tx_fault2.dev_attr.attr, - &sensor_dev_attr_sfp_tx_fault3.dev_attr.attr, - &sensor_dev_attr_sfp_tx_fault4.dev_attr.attr, - NULL -}; - -/* Platform dependent +++ */ -#define CPLD_PORT_TO_FRONT_PORT(port) (port+49) - -enum port_numbers { -as5812_54t_port49, -as5812_54t_port50, -as5812_54t_port51, -as5812_54t_port52, -as5812_54t_port53, -as5812_54t_port54 -}; - -#define I2C_DEV_ID(x) { #x, x} - -static const struct i2c_device_id sfp_device_id[] = { -I2C_DEV_ID(as5812_54t_port49), -I2C_DEV_ID(as5812_54t_port50), -I2C_DEV_ID(as5812_54t_port51), -I2C_DEV_ID(as5812_54t_port52), -I2C_DEV_ID(as5812_54t_port53), -I2C_DEV_ID(as5812_54t_port54), -{ /* LIST END */ } -}; -MODULE_DEVICE_TABLE(i2c, sfp_device_id); -/* Platform dependent --- */ - -enum driver_type_e { - DRIVER_TYPE_SFP_MSA, - DRIVER_TYPE_SFP_DDM, - DRIVER_TYPE_QSFP -}; - -/* Each client has this additional data - */ -struct eeprom_data { - char valid; /* !=0 if registers are valid */ - unsigned long last_updated; /* In jiffies */ - struct bin_attribute bin; /* eeprom data */ -}; - -struct qsfp_data { - char valid; /* !=0 if registers are valid */ - unsigned long last_updated; /* In jiffies */ - u8 status[3]; /* bit0:port0, bit1:port1 and so on */ - /* index 0 => tx_fail - 1 => tx_disable - 2 => rx_loss */ - u8 device_id; - struct eeprom_data eeprom; -}; - -struct sfp_port_data { - struct mutex update_lock; - enum driver_type_e driver_type; - int port; /* CPLD port index */ - u64 present; /* present status, bit0:port0, bit1:port1 and so on */ - - struct qsfp_data *qsfp; - - struct i2c_client *client; -#if (MULTIPAGE_SUPPORT == 1) - int use_smbus; - u8 *writebuf; - unsigned write_max; -#endif -}; - -#if (MULTIPAGE_SUPPORT == 1) -static ssize_t sfp_port_read_write(struct sfp_port_data *port_data, - char *buf, loff_t off, size_t len, qsfp_opcode_e opcode); -#endif - -static ssize_t show_port_number(struct device *dev, struct device_attribute *da, - char *buf) -{ - struct i2c_client *client = to_i2c_client(dev); - struct sfp_port_data *data = i2c_get_clientdata(client); - return sprintf(buf, "%d\n", CPLD_PORT_TO_FRONT_PORT(data->port)); -} - -/* Platform dependent +++ */ -static struct sfp_port_data *sfp_update_present(struct i2c_client *client) -{ - struct sfp_port_data *data = i2c_get_clientdata(client); - int status = -1; - - DEBUG_PRINT("Starting sfp present status update"); - mutex_lock(&data->update_lock); - - /* Read present status of port 49~54 */ - data->present = 0; - - status = accton_i2c_cpld_read(0x60, 0x22); - if (status < 0) { - DEBUG_PRINT("cpld(0x60) reg(0x%x) err %d", regs[i], status); - goto exit; - } - - data->present |= (u64)status; - DEBUG_PRINT("Present status = 0x%lx", data->present); -exit: - mutex_unlock(&data->update_lock); - return (status < 0) ? ERR_PTR(status) : data; -} - -/* Platform dependent --- */ - -static int sfp_is_port_present(struct i2c_client *client, int port) -{ - struct sfp_port_data *data = i2c_get_clientdata(client); - - data = sfp_update_present(client); - if (IS_ERR(data)) { - return PTR_ERR(data); - } - - return (data->present & BIT_INDEX(data->port)) ? 0 : 1; /* Platform dependent */ -} - -/* Platform dependent +++ */ -static ssize_t show_present(struct device *dev, struct device_attribute *da, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); - - if (PRESENT_ALL == attr->index) { - struct sfp_port_data *data = sfp_update_present(client); - - if (IS_ERR(data)) { - return PTR_ERR(data); - } - - /* Return values 49 -> 54 in order */ - return sprintf(buf, "%.2x\n", (unsigned int)~data->present); - } - else { - struct sfp_port_data *data = i2c_get_clientdata(client); - int present = sfp_is_port_present(client, data->port); - - if (IS_ERR_VALUE(present)) { - return present; - } - - /* PRESENT */ - return sprintf(buf, "%d", present); - } -} -/* Platform dependent --- */ - -static struct sfp_port_data *qsfp_update_tx_rx_status(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct sfp_port_data *data = i2c_get_clientdata(client); - int i, status = -1; - u8 buf = 0; - u8 reg[] = {SFF8436_TX_FAULT_ADDR, SFF8436_TX_DISABLE_ADDR, SFF8436_RX_LOS_ADDR}; - - if (time_before(jiffies, data->qsfp->last_updated + HZ + HZ / 2) && data->qsfp->valid) { - return data; - } - - DEBUG_PRINT("Starting sfp tx rx status update"); - mutex_lock(&data->update_lock); - data->qsfp->valid = 0; - memset(data->qsfp->status, 0, sizeof(data->qsfp->status)); - - /* Notify device to update tx fault/ tx disable/ rx los status */ - for (i = 0; i < ARRAY_SIZE(reg); i++) { - status = sfp_eeprom_read(client, reg[i], &buf, sizeof(buf)); - if (unlikely(status < 0)) { - goto exit; - } - } - msleep(200); - - /* Read actual tx fault/ tx disable/ rx los status */ - for (i = 0; i < ARRAY_SIZE(reg); i++) { - status = sfp_eeprom_read(client, reg[i], &buf, sizeof(buf)); - if (unlikely(status < 0)) { - goto exit; - } - - DEBUG_PRINT("qsfp reg(0x%x) status = (0x%x)", reg[i], data->qsfp->status[i]); - data->qsfp->status[i] = (buf & 0xF); - } - - data->qsfp->valid = 1; - data->qsfp->last_updated = jiffies; - -exit: - mutex_unlock(&data->update_lock); - return (status < 0) ? ERR_PTR(status) : data; -} - -static ssize_t qsfp_show_tx_rx_status(struct device *dev, struct device_attribute *da, - char *buf) -{ - int present; - u8 val = 0; - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); - struct sfp_port_data *data = i2c_get_clientdata(client); - - present = sfp_is_port_present(client, data->port); - if (IS_ERR_VALUE(present)) { - return present; - } - - if (present == 0) { - /* port is not present */ - return -ENXIO; - } - - data = qsfp_update_tx_rx_status(dev); - if (IS_ERR(data)) { - return PTR_ERR(data); - } - - switch (attr->index) { - case TX_FAULT: - val = !!(data->qsfp->status[2] & 0xF); - break; - case TX_FAULT1: - case TX_FAULT2: - case TX_FAULT3: - case TX_FAULT4: - val = !!(data->qsfp->status[2] & BIT_INDEX(attr->index - TX_FAULT1)); - break; - case TX_DISABLE: - val = data->qsfp->status[1] & 0xF; - break; - case TX_DISABLE1: - case TX_DISABLE2: - case TX_DISABLE3: - case TX_DISABLE4: - val = !!(data->qsfp->status[1] & BIT_INDEX(attr->index - TX_DISABLE1)); - break; - case RX_LOS: - val = !!(data->qsfp->status[0] & 0xF); - break; - case RX_LOS1: - case RX_LOS2: - case RX_LOS3: - case RX_LOS4: - val = !!(data->qsfp->status[0] & BIT_INDEX(attr->index - RX_LOS1)); - break; - default: - break; - } - - return sprintf(buf, "%d\n", val); -} - -static ssize_t qsfp_set_tx_disable(struct device *dev, struct device_attribute *da, - const char *buf, size_t count) -{ - long disable; - int status; - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); - struct sfp_port_data *data = i2c_get_clientdata(client); - - status = sfp_is_port_present(client, data->port); - if (IS_ERR_VALUE(status)) { - return status; - } - - if (!status) { - /* port is not present */ - return -ENXIO; - } - - status = kstrtol(buf, 10, &disable); - if (status) { - return status; - } - - data = qsfp_update_tx_rx_status(dev); - if (IS_ERR(data)) { - return PTR_ERR(data); - } - - mutex_lock(&data->update_lock); - - if (attr->index == TX_DISABLE) { - if (disable) { - data->qsfp->status[1] |= 0xF; - } - else { - data->qsfp->status[1] &= ~0xF; - } - } - else {/* TX_DISABLE1 ~ TX_DISABLE4*/ - if (disable) { - data->qsfp->status[1] |= (1 << (attr->index - TX_DISABLE1)); - } - else { - data->qsfp->status[1] &= ~(1 << (attr->index - TX_DISABLE1)); - } - } - - DEBUG_PRINT("index = (%d), status = (0x%x)", attr->index, data->qsfp->status[1]); - status = sfp_eeprom_write(data->client, SFF8436_TX_DISABLE_ADDR, &data->qsfp->status[1], sizeof(data->qsfp->status[1])); - if (unlikely(status < 0)) { - count = status; - } - - mutex_unlock(&data->update_lock); - return count; -} - -static ssize_t sfp_eeprom_write(struct i2c_client *client, u8 command, const char *data, - int data_len) -{ -#if USE_I2C_BLOCK_READ - int status, retry = I2C_RW_RETRY_COUNT; - - if (data_len > I2C_SMBUS_BLOCK_MAX) { - data_len = I2C_SMBUS_BLOCK_MAX; - } - - while (retry) { - status = i2c_smbus_write_i2c_block_data(client, command, data_len, data); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } - - break; - } - - if (unlikely(status < 0)) { - return status; - } - - return data_len; -#else - int status, retry = I2C_RW_RETRY_COUNT; - - while (retry) { - status = i2c_smbus_write_byte_data(client, command, *data); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } - - break; - } - - if (unlikely(status < 0)) { - return status; - } - - return 1; -#endif - - -} - -#if (MULTIPAGE_SUPPORT == 0) -static ssize_t sfp_port_write(struct sfp_port_data *data, - const char *buf, loff_t off, size_t count) -{ - ssize_t retval = 0; - - if (unlikely(!count)) { - return count; - } - - /* - * Write data to chip, protecting against concurrent updates - * from this host, but not from other I2C masters. - */ - mutex_lock(&data->update_lock); - - while (count) { - ssize_t status; - - status = sfp_eeprom_write(data->client, off, buf, count); - if (status <= 0) { - if (retval == 0) { - retval = status; - } - break; - } - buf += status; - off += status; - count -= status; - retval += status; - } - - mutex_unlock(&data->update_lock); - return retval; -} -#endif - -static ssize_t sfp_bin_write(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, - char *buf, loff_t off, size_t count) -{ - int present; - struct sfp_port_data *data; - DEBUG_PRINT("%s(%d) offset = (%d), count = (%d)", off, count); - data = dev_get_drvdata(container_of(kobj, struct device, kobj)); - - present = sfp_is_port_present(data->client, data->port); - if (IS_ERR_VALUE(present)) { - return present; - } - - if (present == 0) { - /* port is not present */ - return -ENODEV; - } - -#if (MULTIPAGE_SUPPORT == 1) - return sfp_port_read_write(data, buf, off, count, QSFP_WRITE_OP); -#else - return sfp_port_write(data, buf, off, count); -#endif -} - -static ssize_t sfp_eeprom_read(struct i2c_client *client, u8 command, u8 *data, - int data_len) -{ -#if USE_I2C_BLOCK_READ - int status, retry = I2C_RW_RETRY_COUNT; - - if (data_len > I2C_SMBUS_BLOCK_MAX) { - data_len = I2C_SMBUS_BLOCK_MAX; - } - - while (retry) { - status = i2c_smbus_read_i2c_block_data(client, command, data_len, data); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } - - break; - } - - if (unlikely(status < 0)) { - goto abort; - } - if (unlikely(status != data_len)) { - status = -EIO; - goto abort; - } - - //result = data_len; - -abort: - return status; -#else - int status, retry = I2C_RW_RETRY_COUNT; - - while (retry) { - status = i2c_smbus_read_byte_data(client, command); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } - - break; - } - - if (unlikely(status < 0)) { - dev_dbg(&client->dev, "sfp read byte data failed, command(0x%2x), data(0x%2x)\r\n", command, status); - goto abort; - } - - *data = (u8)status; - status = 1; - -abort: - return status; -#endif -} - -#if (MULTIPAGE_SUPPORT == 1) -/*-------------------------------------------------------------------------*/ -/* - * This routine computes the addressing information to be used for - * a given r/w request. - * - * Task is to calculate the client (0 = i2c addr 50, 1 = i2c addr 51), - * the page, and the offset. - * - * Handles both SFP and QSFP. - * For SFP, offset 0-255 are on client[0], >255 is on client[1] - * Offset 256-383 are on the lower half of client[1] - * Pages are accessible on the upper half of client[1]. - * Offset >383 are in 128 byte pages mapped into the upper half - * - * For QSFP, all offsets are on client[0] - * offset 0-127 are on the lower half of client[0] (no paging) - * Pages are accessible on the upper half of client[1]. - * Offset >127 are in 128 byte pages mapped into the upper half - * - * Callers must not read/write beyond the end of a client or a page - * without recomputing the client/page. Hence offset (within page) - * plus length must be less than or equal to 128. (Note that this - * routine does not have access to the length of the call, hence - * cannot do the validity check.) - * - * Offset within Lower Page 00h and Upper Page 00h are not recomputed - */ -static uint8_t sff_8436_translate_offset(struct sfp_port_data *port_data, - loff_t *offset, struct i2c_client **client) -{ - unsigned page = 0; - - *client = port_data->client; - - /* - * if offset is in the range 0-128... - * page doesn't matter (using lower half), return 0. - * offset is already correct (don't add 128 to get to paged area) - */ - if (*offset < SFF_8436_PAGE_SIZE) - return page; - - /* note, page will always be positive since *offset >= 128 */ - page = (*offset >> 7)-1; - /* 0x80 places the offset in the top half, offset is last 7 bits */ - *offset = SFF_8436_PAGE_SIZE + (*offset & 0x7f); - - return page; /* note also returning client and offset */ -} - -static ssize_t sff_8436_eeprom_read(struct sfp_port_data *port_data, - struct i2c_client *client, - char *buf, unsigned offset, size_t count) -{ - struct i2c_msg msg[2]; - u8 msgbuf[2]; - unsigned long timeout, read_time; - int status, i; - - memset(msg, 0, sizeof(msg)); - - switch (port_data->use_smbus) { - case I2C_SMBUS_I2C_BLOCK_DATA: - /*smaller eeproms can work given some SMBus extension calls */ - if (count > I2C_SMBUS_BLOCK_MAX) - count = I2C_SMBUS_BLOCK_MAX; - break; - case I2C_SMBUS_WORD_DATA: - /* Check for odd length transaction */ - count = (count == 1) ? 1 : 2; - break; - case I2C_SMBUS_BYTE_DATA: - count = 1; - break; - default: - /* - * When we have a better choice than SMBus calls, use a - * combined I2C message. Write address; then read up to - * io_limit data bytes. msgbuf is u8 and will cast to our - * needs. - */ - i = 0; - msgbuf[i++] = offset; - - msg[0].addr = client->addr; - msg[0].buf = msgbuf; - msg[0].len = i; - - msg[1].addr = client->addr; - msg[1].flags = I2C_M_RD; - msg[1].buf = buf; - msg[1].len = count; - } - - /* - * Reads fail if the previous write didn't complete yet. We may - * loop a few times until this one succeeds, waiting at least - * long enough for one entire page write to work. - */ - timeout = jiffies + msecs_to_jiffies(write_timeout); - do { - read_time = jiffies; - - switch (port_data->use_smbus) { - case I2C_SMBUS_I2C_BLOCK_DATA: - status = i2c_smbus_read_i2c_block_data(client, offset, - count, buf); - break; - case I2C_SMBUS_WORD_DATA: - status = i2c_smbus_read_word_data(client, offset); - if (status >= 0) { - buf[0] = status & 0xff; - if (count == 2) - buf[1] = status >> 8; - status = count; - } - break; - case I2C_SMBUS_BYTE_DATA: - status = i2c_smbus_read_byte_data(client, offset); - if (status >= 0) { - buf[0] = status; - status = count; - } - break; - default: - status = i2c_transfer(client->adapter, msg, 2); - if (status == 2) - status = count; - } - - dev_dbg(&client->dev, "eeprom read %zu@%d --> %d (%ld)\n", - count, offset, status, jiffies); - - if (status == count) /* happy path */ - return count; - - if (status == -ENXIO) /* no module present */ - return status; - - /* REVISIT: at HZ=100, this is sloooow */ - msleep(1); - } while (time_before(read_time, timeout)); - - return -ETIMEDOUT; -} - -static ssize_t sff_8436_eeprom_write(struct sfp_port_data *port_data, - struct i2c_client *client, - const char *buf, - unsigned offset, size_t count) -{ - struct i2c_msg msg; - ssize_t status; - unsigned long timeout, write_time; - unsigned next_page_start; - int i = 0; - - /* write max is at most a page - * (In this driver, write_max is actually one byte!) - */ - if (count > port_data->write_max) - count = port_data->write_max; - - /* shorten count if necessary to avoid crossing page boundary */ - next_page_start = roundup(offset + 1, SFF_8436_PAGE_SIZE); - if (offset + count > next_page_start) - count = next_page_start - offset; - - switch (port_data->use_smbus) { - case I2C_SMBUS_I2C_BLOCK_DATA: - /*smaller eeproms can work given some SMBus extension calls */ - if (count > I2C_SMBUS_BLOCK_MAX) - count = I2C_SMBUS_BLOCK_MAX; - break; - case I2C_SMBUS_WORD_DATA: - /* Check for odd length transaction */ - count = (count == 1) ? 1 : 2; - break; - case I2C_SMBUS_BYTE_DATA: - count = 1; - break; - default: - /* If we'll use I2C calls for I/O, set up the message */ - msg.addr = client->addr; - msg.flags = 0; - - /* msg.buf is u8 and casts will mask the values */ - msg.buf = port_data->writebuf; - - msg.buf[i++] = offset; - memcpy(&msg.buf[i], buf, count); - msg.len = i + count; - break; - } - - /* - * Reads fail if the previous write didn't complete yet. We may - * loop a few times until this one succeeds, waiting at least - * long enough for one entire page write to work. - */ - timeout = jiffies + msecs_to_jiffies(write_timeout); - do { - write_time = jiffies; - - switch (port_data->use_smbus) { - case I2C_SMBUS_I2C_BLOCK_DATA: - status = i2c_smbus_write_i2c_block_data(client, - offset, count, buf); - if (status == 0) - status = count; - break; - case I2C_SMBUS_WORD_DATA: - if (count == 2) { - status = i2c_smbus_write_word_data(client, - offset, (u16)((buf[0])|(buf[1] << 8))); - } else { - /* count = 1 */ - status = i2c_smbus_write_byte_data(client, - offset, buf[0]); - } - if (status == 0) - status = count; - break; - case I2C_SMBUS_BYTE_DATA: - status = i2c_smbus_write_byte_data(client, offset, - buf[0]); - if (status == 0) - status = count; - break; - default: - status = i2c_transfer(client->adapter, &msg, 1); - if (status == 1) - status = count; - break; - } - - dev_dbg(&client->dev, "eeprom write %zu@%d --> %ld (%lu)\n", - count, offset, (long int) status, jiffies); - - if (status == count) - return count; - - /* REVISIT: at HZ=100, this is sloooow */ - msleep(1); - } while (time_before(write_time, timeout)); - - return -ETIMEDOUT; -} - - -static ssize_t sff_8436_eeprom_update_client(struct sfp_port_data *port_data, - char *buf, loff_t off, - size_t count, qsfp_opcode_e opcode) -{ - struct i2c_client *client; - ssize_t retval = 0; - u8 page = 0; - loff_t phy_offset = off; - int ret = 0; - - page = sff_8436_translate_offset(port_data, &phy_offset, &client); - - dev_dbg(&client->dev, - "sff_8436_eeprom_update_client off %lld page:%d phy_offset:%lld, count:%ld, opcode:%d\n", - off, page, phy_offset, (long int) count, opcode); - if (page > 0) { - ret = sff_8436_eeprom_write(port_data, client, &page, - SFF_8436_PAGE_SELECT_REG, 1); - if (ret < 0) { - dev_dbg(&client->dev, - "Write page register for page %d failed ret:%d!\n", - page, ret); - return ret; - } - } - - while (count) { - ssize_t status; - - if (opcode == QSFP_READ_OP) { - status = sff_8436_eeprom_read(port_data, client, - buf, phy_offset, count); - } else { - status = sff_8436_eeprom_write(port_data, client, - buf, phy_offset, count); - } - if (status <= 0) { - if (retval == 0) - retval = status; - break; - } - buf += status; - phy_offset += status; - count -= status; - retval += status; - } - - - if (page > 0) { - /* return the page register to page 0 (why?) */ - page = 0; - ret = sff_8436_eeprom_write(port_data, client, &page, - SFF_8436_PAGE_SELECT_REG, 1); - if (ret < 0) { - dev_err(&client->dev, - "Restore page register to page %d failed ret:%d!\n", - page, ret); - return ret; - } - } - return retval; -} - - -/* - * Figure out if this access is within the range of supported pages. - * Note this is called on every access because we don't know if the - * module has been replaced since the last call. - * If/when modules support more pages, this is the routine to update - * to validate and allow access to additional pages. - * - * Returns updated len for this access: - * - entire access is legal, original len is returned. - * - access begins legal but is too long, len is truncated to fit. - * - initial offset exceeds supported pages, return -EINVAL - */ -static ssize_t sff_8436_page_legal(struct sfp_port_data *port_data, - loff_t off, size_t len) -{ - struct i2c_client *client = port_data->client; - u8 regval; - int status; - size_t maxlen; - - if (off < 0) return -EINVAL; - if (port_data->driver_type == DRIVER_TYPE_SFP_MSA) { - /* SFP case */ - /* if no pages needed, we're good */ - if ((off + len) <= SFF_8472_EEPROM_UNPAGED_SIZE) return len; - /* if offset exceeds possible pages, we're not good */ - if (off >= SFF_8472_EEPROM_SIZE) return -EINVAL; - /* in between, are pages supported? */ - status = sff_8436_eeprom_read(port_data, client, ®val, - SFF_8472_PAGEABLE_REG, 1); - if (status < 0) return status; /* error out (no module?) */ - if (regval & SFF_8472_PAGEABLE) { - /* Pages supported, trim len to the end of pages */ - maxlen = SFF_8472_EEPROM_SIZE - off; - } else { - /* pages not supported, trim len to unpaged size */ - maxlen = SFF_8472_EEPROM_UNPAGED_SIZE - off; - } - len = (len > maxlen) ? maxlen : len; - dev_dbg(&client->dev, - "page_legal, SFP, off %lld len %ld\n", - off, (long int) len); - } - else if (port_data->driver_type == DRIVER_TYPE_QSFP) { - /* QSFP case */ - /* if no pages needed, we're good */ - if ((off + len) <= SFF_8436_EEPROM_UNPAGED_SIZE) return len; - /* if offset exceeds possible pages, we're not good */ - if (off >= SFF_8436_EEPROM_SIZE) return -EINVAL; - /* in between, are pages supported? */ - status = sff_8436_eeprom_read(port_data, client, ®val, - SFF_8436_PAGEABLE_REG, 1); - if (status < 0) return status; /* error out (no module?) */ - if (regval & SFF_8436_NOT_PAGEABLE) { - /* pages not supported, trim len to unpaged size */ - maxlen = SFF_8436_EEPROM_UNPAGED_SIZE - off; - } else { - /* Pages supported, trim len to the end of pages */ - maxlen = SFF_8436_EEPROM_SIZE - off; - } - len = (len > maxlen) ? maxlen : len; - dev_dbg(&client->dev, - "page_legal, QSFP, off %lld len %ld\n", - off, (long int) len); - } - else { - return -EINVAL; - } - return len; -} - - -static ssize_t sfp_port_read_write(struct sfp_port_data *port_data, - char *buf, loff_t off, size_t len, qsfp_opcode_e opcode) -{ - struct i2c_client *client = port_data->client; - int chunk; - int status = 0; - ssize_t retval; - size_t pending_len = 0, chunk_len = 0; - loff_t chunk_offset = 0, chunk_start_offset = 0; - - if (unlikely(!len)) - return len; - - /* - * Read data from chip, protecting against concurrent updates - * from this host, but not from other I2C masters. - */ - mutex_lock(&port_data->update_lock); - - /* - * Confirm this access fits within the device suppored addr range - */ - len = sff_8436_page_legal(port_data, off, len); - if (len < 0) { - status = len; - goto err; - } - - /* - * For each (128 byte) chunk involved in this request, issue a - * separate call to sff_eeprom_update_client(), to - * ensure that each access recalculates the client/page - * and writes the page register as needed. - * Note that chunk to page mapping is confusing, is different for - * QSFP and SFP, and never needs to be done. Don't try! - */ - pending_len = len; /* amount remaining to transfer */ - retval = 0; /* amount transferred */ - for (chunk = off >> 7; chunk <= (off + len - 1) >> 7; chunk++) { - - /* - * Compute the offset and number of bytes to be read/write - * - * 1. start at offset 0 (within the chunk), and read/write - * the entire chunk - * 2. start at offset 0 (within the chunk) and read/write less - * than entire chunk - * 3. start at an offset not equal to 0 and read/write the rest - * of the chunk - * 4. start at an offset not equal to 0 and read/write less than - * (end of chunk - offset) - */ - chunk_start_offset = chunk * SFF_8436_PAGE_SIZE; - - if (chunk_start_offset < off) { - chunk_offset = off; - if ((off + pending_len) < (chunk_start_offset + - SFF_8436_PAGE_SIZE)) - chunk_len = pending_len; - else - chunk_len = (chunk+1)*SFF_8436_PAGE_SIZE - off;/*SFF_8436_PAGE_SIZE - off;*/ - } else { - chunk_offset = chunk_start_offset; - if (pending_len > SFF_8436_PAGE_SIZE) - chunk_len = SFF_8436_PAGE_SIZE; - else - chunk_len = pending_len; - } - - dev_dbg(&client->dev, - "sff_r/w: off %lld, len %ld, chunk_start_offset %lld, chunk_offset %lld, chunk_len %ld, pending_len %ld\n", - off, (long int) len, chunk_start_offset, chunk_offset, - (long int) chunk_len, (long int) pending_len); - - /* - * note: chunk_offset is from the start of the EEPROM, - * not the start of the chunk - */ - status = sff_8436_eeprom_update_client(port_data, buf, - chunk_offset, chunk_len, opcode); - if (status != chunk_len) { - /* This is another 'no device present' path */ - dev_dbg(&client->dev, - "sff_8436_update_client for chunk %d chunk_offset %lld chunk_len %ld failed %d!\n", - chunk, chunk_offset, (long int) chunk_len, status); - goto err; - } - buf += status; - pending_len -= status; - retval += status; - } - mutex_unlock(&port_data->update_lock); - - return retval; - -err: - mutex_unlock(&port_data->update_lock); - - return status; -} - -#else -static ssize_t sfp_port_read(struct sfp_port_data *data, - char *buf, loff_t off, size_t count) -{ - ssize_t retval = 0; - - if (unlikely(!count)) { - DEBUG_PRINT("Count = 0, return"); - return count; - } - - /* - * Read data from chip, protecting against concurrent updates - * from this host, but not from other I2C masters. - */ - mutex_lock(&data->update_lock); - - while (count) { - ssize_t status; - - status = sfp_eeprom_read(data->client, off, buf, count); - if (status <= 0) { - if (retval == 0) { - retval = status; - } - break; - } - - buf += status; - off += status; - count -= status; - retval += status; - } - - mutex_unlock(&data->update_lock); - return retval; - -} -#endif - -static ssize_t sfp_bin_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, - char *buf, loff_t off, size_t count) -{ - int present; - struct sfp_port_data *data; - DEBUG_PRINT("offset = (%d), count = (%d)", off, count); - data = dev_get_drvdata(container_of(kobj, struct device, kobj)); - present = sfp_is_port_present(data->client, data->port); - if (IS_ERR_VALUE(present)) { - return present; - } - - if (present == 0) { - /* port is not present */ - return -ENODEV; - } - -#if (MULTIPAGE_SUPPORT == 1) - return sfp_port_read_write(data, buf, off, count, QSFP_READ_OP); -#else - return sfp_port_read(data, buf, off, count); -#endif -} - -#if (MULTIPAGE_SUPPORT == 1) -static int sfp_sysfs_eeprom_init(struct kobject *kobj, struct bin_attribute *eeprom, size_t size) -#else -static int sfp_sysfs_eeprom_init(struct kobject *kobj, struct bin_attribute *eeprom) -#endif -{ - int err; - - sysfs_bin_attr_init(eeprom); - eeprom->attr.name = EEPROM_NAME; - eeprom->attr.mode = S_IWUSR | S_IRUGO; - eeprom->read = sfp_bin_read; - eeprom->write = sfp_bin_write; -#if (MULTIPAGE_SUPPORT == 1) - eeprom->size = size; -#else - eeprom->size = EEPROM_SIZE; -#endif - - /* Create eeprom file */ - err = sysfs_create_bin_file(kobj, eeprom); - if (err) { - return err; - } - - return 0; -} - -static int sfp_sysfs_eeprom_cleanup(struct kobject *kobj, struct bin_attribute *eeprom) -{ - sysfs_remove_bin_file(kobj, eeprom); - return 0; -} - - -#if (MULTIPAGE_SUPPORT == 0) -static int sfp_i2c_check_functionality(struct i2c_client *client) -{ -#if USE_I2C_BLOCK_READ - return i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK); -#else - return i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA); -#endif -} -#endif - - -static const struct attribute_group qsfp_group = { - .attrs = qsfp_attributes, -}; - -static int qsfp_probe(struct i2c_client *client, const struct i2c_device_id *dev_id, - struct qsfp_data **data) -{ - int status; - struct qsfp_data *qsfp; - -#if (MULTIPAGE_SUPPORT == 0) - if (!sfp_i2c_check_functionality(client)) { - status = -EIO; - goto exit; - } -#endif - - qsfp = kzalloc(sizeof(struct qsfp_data), GFP_KERNEL); - if (!qsfp) { - status = -ENOMEM; - goto exit; - } - - /* Register sysfs hooks */ - status = sysfs_create_group(&client->dev.kobj, &qsfp_group); - if (status) { - goto exit_free; - } - - /* init eeprom */ -#if (MULTIPAGE_SUPPORT == 1) - status = sfp_sysfs_eeprom_init(&client->dev.kobj, &qsfp->eeprom.bin, SFF_8436_EEPROM_SIZE); -#else - status = sfp_sysfs_eeprom_init(&client->dev.kobj, &qsfp->eeprom.bin); -#endif - if (status) { - goto exit_remove; - } - - /* - * Bring QSFPs out of reset, - * This is a temporary fix until the QSFP+_MOD_RST register - * can be exposed through the driver. - */ - accton_i2c_cpld_write(0x60, 0x23, 0x3F); - - *data = qsfp; - dev_info(&client->dev, "qsfp '%s'\n", client->name); - - return 0; - -exit_remove: - sysfs_remove_group(&client->dev.kobj, &qsfp_group); -exit_free: - kfree(qsfp); -exit: - - return status; -} - -/* Platform dependent +++ */ -static int sfp_device_probe(struct i2c_client *client, - const struct i2c_device_id *dev_id) -{ - int ret = 0; - struct sfp_port_data *data = NULL; - - if (client->addr != SFP_EEPROM_A0_I2C_ADDR) { - return -ENODEV; - } - - if (dev_id->driver_data < as5812_54t_port49 || dev_id->driver_data > as5812_54t_port54) { - return -ENXIO; - } - - data = kzalloc(sizeof(struct sfp_port_data), GFP_KERNEL); - if (!data) { - return -ENOMEM; - } - -#if (MULTIPAGE_SUPPORT == 1) - data->use_smbus = 0; - - /* Use I2C operations unless we're stuck with SMBus extensions. */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - if (i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_READ_I2C_BLOCK)) { - data->use_smbus = I2C_SMBUS_I2C_BLOCK_DATA; - } else if (i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_READ_WORD_DATA)) { - data->use_smbus = I2C_SMBUS_WORD_DATA; - } else if (i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_READ_BYTE_DATA)) { - data->use_smbus = I2C_SMBUS_BYTE_DATA; - } else { - ret = -EPFNOSUPPORT; - goto exit_kfree; - } - } - - if (!data->use_smbus || - (i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)) || - i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_WRITE_WORD_DATA) || - i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) { - /* - * NOTE: AN-2079 - * Finisar recommends that the host implement 1 byte writes - * only since this module only supports 32 byte page boundaries. - * 2 byte writes are acceptable for PE and Vout changes per - * Application Note AN-2071. - */ - unsigned write_max = 1; - - if (write_max > io_limit) - write_max = io_limit; - if (data->use_smbus && write_max > I2C_SMBUS_BLOCK_MAX) - write_max = I2C_SMBUS_BLOCK_MAX; - data->write_max = write_max; - - /* buffer (data + address at the beginning) */ - data->writebuf = kmalloc(write_max + 2, GFP_KERNEL); - if (!data->writebuf) { - ret = -ENOMEM; - goto exit_kfree; - } - } else { - dev_warn(&client->dev, - "cannot write due to controller restrictions."); - } - - if (data->use_smbus == I2C_SMBUS_WORD_DATA || - data->use_smbus == I2C_SMBUS_BYTE_DATA) { - dev_notice(&client->dev, "Falling back to %s reads, " - "performance will suffer\n", data->use_smbus == - I2C_SMBUS_WORD_DATA ? "word" : "byte"); - } -#endif - - i2c_set_clientdata(client, data); - mutex_init(&data->update_lock); - data->port = dev_id->driver_data; - data->client = client; - data->driver_type = DRIVER_TYPE_QSFP; - - ret = qsfp_probe(client, dev_id, &data->qsfp); - if (ret < 0) { - goto exit_kfree_buf; - } - - return ret; - -exit_kfree_buf: -#if (MULTIPAGE_SUPPORT == 1) - if (data->writebuf) kfree(data->writebuf); -#endif - -exit_kfree: - kfree(data); - return ret; -} -/* Platform dependent --- */ - -static int qsfp_remove(struct i2c_client *client, struct qsfp_data *data) -{ - sfp_sysfs_eeprom_cleanup(&client->dev.kobj, &data->eeprom.bin); - sysfs_remove_group(&client->dev.kobj, &qsfp_group); - kfree(data); - return 0; -} - -static int sfp_device_remove(struct i2c_client *client) -{ - int ret = 0; - struct sfp_port_data *data = i2c_get_clientdata(client); -#if (MULTIPAGE_SUPPORT == 1) - kfree(data->writebuf); -#endif - - if (data->driver_type == DRIVER_TYPE_QSFP) { - ret = qsfp_remove(client, data->qsfp); - } - - kfree(data); - return ret; -} - -/* Addresses scanned - */ -static const unsigned short normal_i2c[] = { I2C_CLIENT_END }; - -static struct i2c_driver sfp_driver = { - .driver = { - .name = DRIVER_NAME, - }, - .probe = sfp_device_probe, - .remove = sfp_device_remove, - .id_table = sfp_device_id, - .address_list = normal_i2c, -}; - -static int __init sfp_init(void) -{ - return i2c_add_driver(&sfp_driver); -} - -static void __exit sfp_exit(void) -{ - i2c_del_driver(&sfp_driver); -} - -MODULE_AUTHOR("Brandon Chuang "); -MODULE_DESCRIPTION("accton as5812_54t_sfp driver"); -MODULE_LICENSE("GPL"); - -module_init(sfp_init); -module_exit(sfp_exit); - diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/onlp/builds/src/module/src/sfpi.c b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/onlp/builds/src/module/src/sfpi.c index 8840ee26..cefe9dbf 100644 --- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/onlp/builds/src/module/src/sfpi.c +++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/onlp/builds/src/module/src/sfpi.c @@ -25,80 +25,23 @@ ***********************************************************/ #include -#include /* For O_RDWR && open */ -#include -#include -#include -#include - +#include +#include #include "platform_lib.h" -#define MAX_SFP_PATH 64 -static char sfp_node_path[MAX_SFP_PATH] = {0}; #define MUX_START_INDEX 2 +#define NUM_OF_SFP_PORT 6 +static const int port_bus_index[NUM_OF_SFP_PORT] = { + 2, 4, 1, 3, 5, 0 +}; -static int front_port_to_cpld_mux_index(int port) -{ - int rport = 0; +#define PORT_BUS_INDEX(port) (port_bus_index[port-48]+MUX_START_INDEX) +#define PORT_FORMAT "/sys/bus/i2c/devices/%d-0050/%s" - switch (port) - { - case 48: - rport = 2; - break; - case 49: - rport = 4; - break; - case 50: - rport = 1; - break; - case 51: - rport = 3; - break; - case 52: - rport = 5; - break; - case 53: - rport = 0; - break; - default: - break; - } - - return (rport + MUX_START_INDEX); -} - -static int -as5812_54t_sfp_node_read_int(char *node_path, int *value, int data_len) -{ - int ret = 0; - char buf[8] = {0}; - *value = 0; - - ret = deviceNodeReadString(node_path, buf, sizeof(buf), data_len); - - if (ret == 0) { - *value = atoi(buf); - } - - return ret; -} - -static char* -as5812_54t_sfp_get_port_path_addr(int port, int addr, char *node_name) -{ - sprintf(sfp_node_path, "/sys/bus/i2c/devices/%d-00%d/%s", - front_port_to_cpld_mux_index(port), addr, - node_name); - return sfp_node_path; -} - -static char* -as5812_54t_sfp_get_port_path(int port, char *node_name) -{ - return as5812_54t_sfp_get_port_path_addr(port, 50, node_name); -} +#define MODULE_PRESENT_FORMAT "/sys/bus/i2c/devices/0-0060/module_present_%d" +#define MODULE_PRESENT_ALL_ATTR "/sys/bus/i2c/devices/0-0060/module_present_all" +#define VALIDATE_PORT(p) { if ((p < 48) || (p > 53)) return ONLP_STATUS_E_PARAM; } /************************************************************ * @@ -136,10 +79,9 @@ onlp_sfpi_is_present(int port) * Return < 0 if error. */ int present; - char* path = as5812_54t_sfp_get_port_path(port, "sfp_is_present"); - if (as5812_54t_sfp_node_read_int(path, &present, 1) != 0) { - AIM_LOG_INFO("Unable to read present status from port(%d)\r\n", port); + if (onlp_file_read_int(&present, MODULE_PRESENT_FORMAT, (port+1)) < 0) { + AIM_LOG_ERROR("Unable to read present status from port(%d)\r\n", port); return ONLP_STATUS_E_INTERNAL; } @@ -150,11 +92,9 @@ int onlp_sfpi_presence_bitmap_get(onlp_sfp_bitmap_t* dst) { uint32_t bytes[1]; - char* path; FILE* fp; - path = as5812_54t_sfp_get_port_path(0, "sfp_is_present_all"); - fp = fopen(path, "r"); + fp = fopen(MODULE_PRESENT_ALL_ATTR, "r"); if(fp == NULL) { AIM_LOG_ERROR("Unable to open the sfp_is_present_all device file."); @@ -188,24 +128,23 @@ onlp_sfpi_presence_bitmap_get(onlp_sfp_bitmap_t* dst) int onlp_sfpi_rx_los_bitmap_get(onlp_sfp_bitmap_t* dst) { - return ONLP_STATUS_OK; + return ONLP_STATUS_E_UNSUPPORTED; } int onlp_sfpi_eeprom_read(int port, uint8_t data[256]) { - char* path = as5812_54t_sfp_get_port_path(port, "sfp_eeprom"); - /* * Read the SFP eeprom into data[] * * Return MISSING if SFP is missing. * Return OK if eeprom is read */ + int size = 0; memset(data, 0, 256); - if (deviceNodeReadBinary(path, (char*)data, 256, 256) != 0) { - AIM_LOG_INFO("Unable to read eeprom from port(%d)\r\n", port); + if(onlp_file_read(data, 256, &size, PORT_FORMAT, PORT_BUS_INDEX(port), "eeprom") != ONLP_STATUS_OK) { + AIM_LOG_ERROR("Unable to read eeprom from port(%d)\r\n", port); return ONLP_STATUS_E_INTERNAL; } @@ -213,29 +152,35 @@ onlp_sfpi_eeprom_read(int port, uint8_t data[256]) } int -onlp_sfpi_dom_read(int port, uint8_t data[256]) +onlp_sfpi_dev_readb(int port, uint8_t devaddr, uint8_t addr) { - char* path = as5812_54t_sfp_get_port_path_addr(port, 51, "sfp_eeprom"); - memset(data, 0, 256); - - if (deviceNodeReadBinary(path, (char*)data, 256, 256) != 0) { - AIM_LOG_INFO("Unable to read eeprom from port(%d)\r\n", port); - return ONLP_STATUS_E_INTERNAL; - } - - return ONLP_STATUS_OK; + VALIDATE_PORT(port); + int bus = PORT_BUS_INDEX(port); + return onlp_i2c_readb(bus, devaddr, addr, ONLP_I2C_F_FORCE); } int -onlp_sfpi_control_set(int port, onlp_sfp_control_t control, int value) +onlp_sfpi_dev_writeb(int port, uint8_t devaddr, uint8_t addr, uint8_t value) { - return ONLP_STATUS_E_UNSUPPORTED; + VALIDATE_PORT(port); + int bus = PORT_BUS_INDEX(port); + return onlp_i2c_writeb(bus, devaddr, addr, value, ONLP_I2C_F_FORCE); } int -onlp_sfpi_control_get(int port, onlp_sfp_control_t control, int* value) +onlp_sfpi_dev_readw(int port, uint8_t devaddr, uint8_t addr) { - return ONLP_STATUS_E_UNSUPPORTED; + VALIDATE_PORT(port); + int bus = PORT_BUS_INDEX(port); + return onlp_i2c_readw(bus, devaddr, addr, ONLP_I2C_F_FORCE); +} + +int +onlp_sfpi_dev_writew(int port, uint8_t devaddr, uint8_t addr, uint16_t value) +{ + VALIDATE_PORT(port); + int bus = PORT_BUS_INDEX(port); + return onlp_i2c_writew(bus, devaddr, addr, value, ONLP_I2C_F_FORCE); } int diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py index 2326fb41..f1b37214 100644 --- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py +++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py @@ -10,25 +10,28 @@ class OnlPlatform_x86_64_accton_as5812_54t_r0(OnlPlatformAccton, def baseconfig(self): ########### initialize I2C bus 0 ########### - self.insmod("accton_i2c_cpld") + self.insmod("optoe") self.insmod("cpr_4011_4mxx") self.insmod("ym2651y") - for m in [ "sfp", "psu", "fan", "leds" ]: + for m in [ "cpld", "psu", "fan", "leds" ]: self.insmod("x86-64-accton-as5812-54t-%s" % m) # initialize CPLDs - self.new_i2c_device('accton_i2c_cpld', 0x60, 0) + self.new_i2c_device('as5812_54t_cpld', 0x60, 0) # initiate multiplexer (PCA9548) self.new_i2c_device('pca9548', 0x71, 0) # Initialize QSFP devices - self.new_i2c_device('as5812_54t_port49', 0x50, 4) - self.new_i2c_device('as5812_54t_port50', 0x50, 6) - self.new_i2c_device('as5812_54t_port51', 0x50, 3) - self.new_i2c_device('as5812_54t_port52', 0x50, 5) - self.new_i2c_device('as5812_54t_port53', 0x50, 7) - self.new_i2c_device('as5812_54t_port54', 0x50, 2) + for bus in range(2, 8): + self.new_i2c_device('optoe1', 0x50, bus) + + subprocess.call('echo port54 > /sys/bus/i2c/devices/2-0050/port_name', shell=True) + subprocess.call('echo port51 > /sys/bus/i2c/devices/3-0050/port_name', shell=True) + subprocess.call('echo port49 > /sys/bus/i2c/devices/4-0050/port_name', shell=True) + subprocess.call('echo port52 > /sys/bus/i2c/devices/5-0050/port_name', shell=True) + subprocess.call('echo port50 > /sys/bus/i2c/devices/6-0050/port_name', shell=True) + subprocess.call('echo port53 > /sys/bus/i2c/devices/7-0050/port_name', shell=True) ########### initialize I2C bus 1 ########### self.new_i2c_devices(