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[Accton] Enhance SFP control function in support_new_platform branch #136

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Merged
akenliu merged 10 commits into from
Apr 23, 2026
Merged

[Accton] Enhance SFP control function in support_new_platform branch #136

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84a39ef
[Accton][as5834-54x][as5835-54t] Add set/get sfp module_reset functi…
eric271110 Mar 19, 2026
1ac1455
[Accton][as5835-54x][as5835-54t]Add sfp lpmode txdisable linux6.1 (#118)
eric271110 Mar 30, 2026
3415b55
[Accton][as5812-54x][as7816-64x][as9926-24d] Add SFP functionality (L…
eric271110 Apr 1, 2026
7d693f8
[Accton][as7926-40xfb][as9716-32d][as7326-56x] Add SFP functionality …
eric271110 Apr 10, 2026
ef38db4
[Accton][as9817-64d][as9817-64o] Add SFP functionality (TX disable)
eric271110 Apr 13, 2026
6255a07
[Accton]Rename macro in sfpi.c
eric271110 Apr 14, 2026
b6ac050
[Accton][as7712-32x] Add SFP functionality (LP mode, reset, TX disable)
eric271110 Apr 14, 2026
ec054d7
[Accton] Add sfp read/write return value checking
eric271110 Apr 17, 2026
55ab2ad
[Accton][as7712-32x] Remove accidentally merged macro
eric271110 Apr 20, 2026
e3bfe70
[Accton] Improve error handling by defaulting return value to error a…
eric271110 Apr 20, 2026
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111 changes: 75 additions & 36 deletions packages/platforms/accton/x86-64/as5812-54x/modules/builds/x86-64-accton-as5812-54x-cpld.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@
#include <linux/hwmon-sysfs.h>
#include <linux/delay.h>

static const int bit_map[] = {0, 2, 4, 1, 3, 5}; /*for port49~54*/

#define I2C_RW_RETRY_COUNT 10
#define I2C_RW_RETRY_INTERVAL 60 /* ms */

Expand Down Expand Up @@ -104,6 +106,8 @@ MODULE_DEVICE_TABLE(i2c, as5812_54x_cpld_mux_id);
#define TRANSCEIVER_TXDISABLE_ATTR_ID(index) MODULE_TXDISABLE_##index
#define TRANSCEIVER_RXLOS_ATTR_ID(index) MODULE_RXLOS_##index
#define TRANSCEIVER_TXFAULT_ATTR_ID(index) MODULE_TXFAULT_##index
#define TRANSCEIVER_LPMODE_ATTR_ID(index) MODULE_LPMODE_##index
#define TRANSCEIVER_RESET_ATTR_ID(index) MODULE_RESET_##index

enum as5812_54x_cpld1_sysfs_attributes {
CPLD_VERSION,
Expand Down Expand Up @@ -309,6 +313,18 @@ enum as5812_54x_cpld1_sysfs_attributes {
TRANSCEIVER_TXFAULT_ATTR_ID(46),
TRANSCEIVER_TXFAULT_ATTR_ID(47),
TRANSCEIVER_TXFAULT_ATTR_ID(48),
TRANSCEIVER_LPMODE_ATTR_ID(49),
TRANSCEIVER_LPMODE_ATTR_ID(50),
TRANSCEIVER_LPMODE_ATTR_ID(51),
TRANSCEIVER_LPMODE_ATTR_ID(52),
TRANSCEIVER_LPMODE_ATTR_ID(53),
TRANSCEIVER_LPMODE_ATTR_ID(54),
TRANSCEIVER_RESET_ATTR_ID(49),
TRANSCEIVER_RESET_ATTR_ID(50),
TRANSCEIVER_RESET_ATTR_ID(51),
TRANSCEIVER_RESET_ATTR_ID(52),
TRANSCEIVER_RESET_ATTR_ID(53),
TRANSCEIVER_RESET_ATTR_ID(54),
};

/* sysfs attributes for hwmon
Expand All @@ -319,7 +335,7 @@ static ssize_t show_present_all(struct device *dev, struct device_attribute *da,
char *buf);
static ssize_t show_rxlos_all(struct device *dev, struct device_attribute *da,
char *buf);
static ssize_t set_tx_disable(struct device *dev, struct device_attribute *da,
static ssize_t set_control(struct device *dev, struct device_attribute *da,
const char *buf, size_t count);
static ssize_t access(struct device *dev, struct device_attribute *da,
const char *buf, size_t count);
Expand All @@ -334,13 +350,19 @@ static int as5812_54x_cpld_write_internal(struct i2c_client *client, u8 reg, u8
#define DECLARE_TRANSCEIVER_PRESENT_ATTR(index) &sensor_dev_attr_module_present_##index.dev_attr.attr

#define DECLARE_SFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(index) \
static SENSOR_DEVICE_ATTR(module_tx_disable_##index, S_IRUGO | S_IWUSR, show_status, set_tx_disable, MODULE_TXDISABLE_##index); \
static SENSOR_DEVICE_ATTR(module_tx_disable_##index, S_IRUGO | S_IWUSR, show_status, set_control, MODULE_TXDISABLE_##index); \
static SENSOR_DEVICE_ATTR(module_rx_los_##index, S_IRUGO, show_status, NULL, MODULE_RXLOS_##index); \
static SENSOR_DEVICE_ATTR(module_tx_fault_##index, S_IRUGO, show_status, NULL, MODULE_TXFAULT_##index)
#define DECLARE_SFP_TRANSCEIVER_ATTR(index) \
&sensor_dev_attr_module_tx_disable_##index.dev_attr.attr, \
&sensor_dev_attr_module_rx_los_##index.dev_attr.attr, \
&sensor_dev_attr_module_tx_fault_##index.dev_attr.attr
#define DECLARE_QSFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(index) \
static SENSOR_DEVICE_ATTR(module_lpmode_##index, S_IRUGO | S_IWUSR, show_status, set_control, MODULE_LPMODE_##index); \
static SENSOR_DEVICE_ATTR(module_reset_##index, S_IRUGO | S_IWUSR, show_status, set_control, MODULE_RESET_##index);
#define DECLARE_QSFP_TRANSCEIVER_ATTR(index) \
&sensor_dev_attr_module_lpmode_##index.dev_attr.attr, \
&sensor_dev_attr_module_reset_##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);
Expand Down Expand Up @@ -451,6 +473,12 @@ DECLARE_SFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(46);
DECLARE_SFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(47);
DECLARE_SFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(48);

DECLARE_QSFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(49);
DECLARE_QSFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(50);
DECLARE_QSFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(51);
DECLARE_QSFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(52);
DECLARE_QSFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(53);
DECLARE_QSFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(54);
static struct attribute *as5812_54x_cpld1_attributes[] = {
&sensor_dev_attr_version.dev_attr.attr,
&sensor_dev_attr_access.dev_attr.attr,
Expand Down Expand Up @@ -582,6 +610,12 @@ static struct attribute *as5812_54x_cpld3_attributes[] = {
DECLARE_SFP_TRANSCEIVER_ATTR(46),
DECLARE_SFP_TRANSCEIVER_ATTR(47),
DECLARE_SFP_TRANSCEIVER_ATTR(48),
DECLARE_QSFP_TRANSCEIVER_ATTR(49),
DECLARE_QSFP_TRANSCEIVER_ATTR(50),
DECLARE_QSFP_TRANSCEIVER_ATTR(51),
DECLARE_QSFP_TRANSCEIVER_ATTR(52),
DECLARE_QSFP_TRANSCEIVER_ATTR(53),
DECLARE_QSFP_TRANSCEIVER_ATTR(54),
NULL
};

Expand Down Expand Up @@ -673,56 +707,43 @@ static ssize_t show_status(struct device *dev, struct device_attribute *da,
struct i2c_mux_core *muxc = i2c_get_clientdata(client);
struct as5812_54x_cpld_data *data = i2c_mux_priv(muxc);
int status = 0;
u8 reg = 0, mask = 0, revert = 0;
u8 reg = 0, mask = 0, invert = 0;

switch (attr->index) {
case MODULE_PRESENT_1 ... MODULE_PRESENT_8:
reg = 0x6;
mask = 0x1 << (attr->index - MODULE_PRESENT_1);
invert = 1;
break;
case MODULE_PRESENT_9 ... MODULE_PRESENT_16:
reg = 0x7;
mask = 0x1 << (attr->index - MODULE_PRESENT_9);
invert = 1;
break;
case MODULE_PRESENT_17 ... MODULE_PRESENT_24:
reg = 0x8;
mask = 0x1 << (attr->index - MODULE_PRESENT_17);
invert = 1;
break;
case MODULE_PRESENT_25 ... MODULE_PRESENT_32:
reg = 0x6;
mask = 0x1 << (attr->index - MODULE_PRESENT_25);
invert = 1;
break;
case MODULE_PRESENT_33 ... MODULE_PRESENT_40:
reg = 0x7;
mask = 0x1 << (attr->index - MODULE_PRESENT_33);
invert = 1;
break;
case MODULE_PRESENT_41 ... MODULE_PRESENT_48:
reg = 0x8;
mask = 0x1 << (attr->index - MODULE_PRESENT_41);
invert = 1;
break;
case MODULE_PRESENT_49:
reg = 0x14;
mask = 0x1;
break;
case MODULE_PRESENT_50:
reg = 0x14;
mask = 0x4;
break;
case MODULE_PRESENT_51:
case MODULE_PRESENT_49 ... MODULE_PRESENT_54:
reg = 0x14;
mask = 0x10;
break;
case MODULE_PRESENT_52:
reg = 0x14;
mask = 0x2;
break;
case MODULE_PRESENT_53:
reg = 0x14;
mask = 0x8;
break;
case MODULE_PRESENT_54:
reg = 0x14;
mask = 0x20;
mask = 1 << bit_map[attr->index - MODULE_PRESENT_49];
invert = 1;
break;
case MODULE_TXFAULT_1 ... MODULE_TXFAULT_8:
reg = 0x9;
Expand Down Expand Up @@ -796,40 +817,45 @@ static ssize_t show_status(struct device *dev, struct device_attribute *da,
reg = 0x11;
mask = 0x1 << (attr->index - MODULE_RXLOS_41);
break;
case MODULE_LPMODE_49 ... MODULE_LPMODE_54:
reg = 0x16;
mask = 1 << bit_map[attr->index - MODULE_LPMODE_49];
break;
case MODULE_RESET_49 ... MODULE_RESET_54:
reg = 0x15;
mask = 1 << bit_map[attr->index - MODULE_RESET_49];
invert = 1;
break;
default:
return 0;
}

if (attr->index >= MODULE_PRESENT_1 && attr->index <= MODULE_PRESENT_54) {
revert = 1;
}

mutex_lock(&data->update_lock);
status = as5812_54x_cpld_read_internal(client, reg);
if (unlikely(status < 0)) {
goto exit;
}
mutex_unlock(&data->update_lock);

return sprintf(buf, "%d\n", revert ? !(status & mask) : !!(status & mask));
return sprintf(buf, "%d\n", invert ? !(status & mask) : !!(status & mask));

exit:
mutex_unlock(&data->update_lock);
return status;
}

static ssize_t set_tx_disable(struct device *dev, struct device_attribute *da,
static ssize_t set_control(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct i2c_client *client = to_i2c_client(dev);
struct i2c_mux_core *muxc = i2c_get_clientdata(client);
struct as5812_54x_cpld_data *data = i2c_mux_priv(muxc);
long disable;
long value;
int status;
u8 reg = 0, mask = 0;
u8 reg = 0, mask = 0, invert = 0;

status = kstrtol(buf, 10, &disable);
status = kstrtol(buf, 10, &value);
if (status) {
return status;
}
Expand Down Expand Up @@ -859,6 +885,15 @@ static ssize_t set_tx_disable(struct device *dev, struct device_attribute *da,
reg = 0xE;
mask = 0x1 << (attr->index - MODULE_TXDISABLE_41);
break;
case MODULE_LPMODE_49 ... MODULE_LPMODE_54:
reg = 0x16;
mask = 1 << bit_map[attr->index - MODULE_LPMODE_49];
break;
case MODULE_RESET_49 ... MODULE_RESET_54:
reg = 0x15;
mask = 1 << bit_map[attr->index - MODULE_RESET_49];
invert = 1;
break;
default:
return 0;
}
Expand All @@ -870,8 +905,12 @@ static ssize_t set_tx_disable(struct device *dev, struct device_attribute *da,
goto exit;
}

/* Update tx_disable status */
if (disable) {
/* Update tx_disable/lpmode/reset status */
if (invert) {
value = !value;
}

if (value) {
status |= mask;
}
else {
Expand Down
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