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653 lines
16 KiB
653 lines
16 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright 2017 IBM Corp. |
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*/ |
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|
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#include <linux/bitfield.h> |
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#include <linux/bitops.h> |
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#include <linux/debugfs.h> |
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#include <linux/device.h> |
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#include <linux/fs.h> |
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#include <linux/i2c.h> |
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#include <linux/jiffies.h> |
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#include <linux/leds.h> |
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#include <linux/module.h> |
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#include <linux/mutex.h> |
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#include <linux/of_device.h> |
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#include <linux/pmbus.h> |
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#include "pmbus.h" |
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#define CFFPS_MFG_ID_CMD 0x99 |
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#define CFFPS_FRU_CMD 0x9A |
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#define CFFPS_PN_CMD 0x9B |
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#define CFFPS_HEADER_CMD 0x9C |
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#define CFFPS_SN_CMD 0x9E |
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#define CFFPS_MAX_POWER_OUT_CMD 0xA7 |
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#define CFFPS_CCIN_CMD 0xBD |
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#define CFFPS_FW_CMD 0xFA |
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#define CFFPS1_FW_NUM_BYTES 4 |
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#define CFFPS2_FW_NUM_WORDS 3 |
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#define CFFPS_SYS_CONFIG_CMD 0xDA |
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#define CFFPS_12VCS_VOUT_CMD 0xDE |
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#define CFFPS_INPUT_HISTORY_CMD 0xD6 |
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#define CFFPS_INPUT_HISTORY_SIZE 100 |
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#define CFFPS_CCIN_REVISION GENMASK(7, 0) |
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#define CFFPS_CCIN_REVISION_LEGACY 0xde |
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#define CFFPS_CCIN_VERSION GENMASK(15, 8) |
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#define CFFPS_CCIN_VERSION_1 0x2b |
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#define CFFPS_CCIN_VERSION_2 0x2e |
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#define CFFPS_CCIN_VERSION_3 0x51 |
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|
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/* STATUS_MFR_SPECIFIC bits */ |
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#define CFFPS_MFR_FAN_FAULT BIT(0) |
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#define CFFPS_MFR_THERMAL_FAULT BIT(1) |
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#define CFFPS_MFR_OV_FAULT BIT(2) |
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#define CFFPS_MFR_UV_FAULT BIT(3) |
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#define CFFPS_MFR_PS_KILL BIT(4) |
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#define CFFPS_MFR_OC_FAULT BIT(5) |
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#define CFFPS_MFR_VAUX_FAULT BIT(6) |
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#define CFFPS_MFR_CURRENT_SHARE_WARNING BIT(7) |
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#define CFFPS_LED_BLINK (BIT(0) | BIT(6)) |
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#define CFFPS_LED_ON (BIT(1) | BIT(6)) |
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#define CFFPS_LED_OFF (BIT(2) | BIT(6)) |
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#define CFFPS_BLINK_RATE_MS 250 |
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enum { |
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CFFPS_DEBUGFS_INPUT_HISTORY = 0, |
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CFFPS_DEBUGFS_MFG_ID, |
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CFFPS_DEBUGFS_FRU, |
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CFFPS_DEBUGFS_PN, |
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CFFPS_DEBUGFS_HEADER, |
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CFFPS_DEBUGFS_SN, |
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CFFPS_DEBUGFS_MAX_POWER_OUT, |
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CFFPS_DEBUGFS_CCIN, |
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CFFPS_DEBUGFS_FW, |
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CFFPS_DEBUGFS_ON_OFF_CONFIG, |
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CFFPS_DEBUGFS_NUM_ENTRIES |
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}; |
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enum versions { cffps1, cffps2, cffps_unknown }; |
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struct ibm_cffps_input_history { |
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struct mutex update_lock; |
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unsigned long last_update; |
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u8 byte_count; |
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u8 data[CFFPS_INPUT_HISTORY_SIZE]; |
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}; |
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struct ibm_cffps { |
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enum versions version; |
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struct i2c_client *client; |
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struct ibm_cffps_input_history input_history; |
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int debugfs_entries[CFFPS_DEBUGFS_NUM_ENTRIES]; |
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char led_name[32]; |
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u8 led_state; |
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struct led_classdev led; |
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}; |
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static const struct i2c_device_id ibm_cffps_id[]; |
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#define to_psu(x, y) container_of((x), struct ibm_cffps, debugfs_entries[(y)]) |
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static ssize_t ibm_cffps_read_input_history(struct ibm_cffps *psu, |
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char __user *buf, size_t count, |
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loff_t *ppos) |
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{ |
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int rc; |
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u8 msgbuf0[1] = { CFFPS_INPUT_HISTORY_CMD }; |
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u8 msgbuf1[CFFPS_INPUT_HISTORY_SIZE + 1] = { 0 }; |
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struct i2c_msg msg[2] = { |
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{ |
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.addr = psu->client->addr, |
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.flags = psu->client->flags, |
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.len = 1, |
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.buf = msgbuf0, |
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}, { |
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.addr = psu->client->addr, |
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.flags = psu->client->flags | I2C_M_RD, |
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.len = CFFPS_INPUT_HISTORY_SIZE + 1, |
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.buf = msgbuf1, |
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}, |
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}; |
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if (!*ppos) { |
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mutex_lock(&psu->input_history.update_lock); |
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if (time_after(jiffies, psu->input_history.last_update + HZ)) { |
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/* |
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* Use a raw i2c transfer, since we need more bytes |
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* than Linux I2C supports through smbus xfr (only 32). |
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*/ |
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rc = i2c_transfer(psu->client->adapter, msg, 2); |
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if (rc < 0) { |
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mutex_unlock(&psu->input_history.update_lock); |
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return rc; |
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} |
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psu->input_history.byte_count = msgbuf1[0]; |
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memcpy(psu->input_history.data, &msgbuf1[1], |
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CFFPS_INPUT_HISTORY_SIZE); |
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psu->input_history.last_update = jiffies; |
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} |
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mutex_unlock(&psu->input_history.update_lock); |
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} |
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return simple_read_from_buffer(buf, count, ppos, |
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psu->input_history.data, |
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psu->input_history.byte_count); |
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} |
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static ssize_t ibm_cffps_debugfs_read(struct file *file, char __user *buf, |
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size_t count, loff_t *ppos) |
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{ |
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u8 cmd; |
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int i, rc; |
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int *idxp = file->private_data; |
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int idx = *idxp; |
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struct ibm_cffps *psu = to_psu(idxp, idx); |
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char data[I2C_SMBUS_BLOCK_MAX + 2] = { 0 }; |
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pmbus_set_page(psu->client, 0, 0xff); |
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switch (idx) { |
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case CFFPS_DEBUGFS_INPUT_HISTORY: |
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return ibm_cffps_read_input_history(psu, buf, count, ppos); |
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case CFFPS_DEBUGFS_MFG_ID: |
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cmd = CFFPS_MFG_ID_CMD; |
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break; |
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case CFFPS_DEBUGFS_FRU: |
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cmd = CFFPS_FRU_CMD; |
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break; |
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case CFFPS_DEBUGFS_PN: |
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cmd = CFFPS_PN_CMD; |
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break; |
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case CFFPS_DEBUGFS_HEADER: |
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cmd = CFFPS_HEADER_CMD; |
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break; |
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case CFFPS_DEBUGFS_SN: |
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cmd = CFFPS_SN_CMD; |
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break; |
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case CFFPS_DEBUGFS_MAX_POWER_OUT: |
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if (psu->version == cffps1) { |
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rc = i2c_smbus_read_word_swapped(psu->client, |
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CFFPS_MAX_POWER_OUT_CMD); |
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} else { |
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rc = i2c_smbus_read_word_data(psu->client, |
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CFFPS_MAX_POWER_OUT_CMD); |
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} |
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if (rc < 0) |
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return rc; |
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rc = snprintf(data, I2C_SMBUS_BLOCK_MAX, "%d", rc); |
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goto done; |
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case CFFPS_DEBUGFS_CCIN: |
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rc = i2c_smbus_read_word_swapped(psu->client, CFFPS_CCIN_CMD); |
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if (rc < 0) |
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return rc; |
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rc = snprintf(data, 5, "%04X", rc); |
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goto done; |
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case CFFPS_DEBUGFS_FW: |
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switch (psu->version) { |
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case cffps1: |
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for (i = 0; i < CFFPS1_FW_NUM_BYTES; ++i) { |
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rc = i2c_smbus_read_byte_data(psu->client, |
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CFFPS_FW_CMD + |
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i); |
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if (rc < 0) |
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return rc; |
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snprintf(&data[i * 2], 3, "%02X", rc); |
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} |
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rc = i * 2; |
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break; |
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case cffps2: |
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for (i = 0; i < CFFPS2_FW_NUM_WORDS; ++i) { |
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rc = i2c_smbus_read_word_data(psu->client, |
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CFFPS_FW_CMD + |
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i); |
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if (rc < 0) |
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return rc; |
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snprintf(&data[i * 4], 5, "%04X", rc); |
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} |
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rc = i * 4; |
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break; |
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default: |
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return -EOPNOTSUPP; |
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} |
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goto done; |
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case CFFPS_DEBUGFS_ON_OFF_CONFIG: |
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rc = i2c_smbus_read_byte_data(psu->client, |
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PMBUS_ON_OFF_CONFIG); |
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if (rc < 0) |
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return rc; |
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rc = snprintf(data, 3, "%02x", rc); |
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goto done; |
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default: |
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return -EINVAL; |
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} |
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rc = i2c_smbus_read_block_data(psu->client, cmd, data); |
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if (rc < 0) |
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return rc; |
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done: |
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data[rc] = '\n'; |
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rc += 2; |
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return simple_read_from_buffer(buf, count, ppos, data, rc); |
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} |
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static ssize_t ibm_cffps_debugfs_write(struct file *file, |
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const char __user *buf, size_t count, |
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loff_t *ppos) |
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{ |
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u8 data; |
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ssize_t rc; |
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int *idxp = file->private_data; |
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int idx = *idxp; |
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struct ibm_cffps *psu = to_psu(idxp, idx); |
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switch (idx) { |
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case CFFPS_DEBUGFS_ON_OFF_CONFIG: |
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pmbus_set_page(psu->client, 0, 0xff); |
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rc = simple_write_to_buffer(&data, 1, ppos, buf, count); |
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if (rc <= 0) |
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return rc; |
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rc = i2c_smbus_write_byte_data(psu->client, |
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PMBUS_ON_OFF_CONFIG, data); |
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if (rc) |
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return rc; |
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rc = 1; |
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break; |
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default: |
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return -EINVAL; |
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} |
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return rc; |
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} |
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static const struct file_operations ibm_cffps_fops = { |
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.llseek = noop_llseek, |
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.read = ibm_cffps_debugfs_read, |
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.write = ibm_cffps_debugfs_write, |
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.open = simple_open, |
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}; |
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static int ibm_cffps_read_byte_data(struct i2c_client *client, int page, |
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int reg) |
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{ |
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int rc, mfr; |
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switch (reg) { |
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case PMBUS_STATUS_VOUT: |
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case PMBUS_STATUS_IOUT: |
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case PMBUS_STATUS_TEMPERATURE: |
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case PMBUS_STATUS_FAN_12: |
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rc = pmbus_read_byte_data(client, page, reg); |
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if (rc < 0) |
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return rc; |
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mfr = pmbus_read_byte_data(client, page, |
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PMBUS_STATUS_MFR_SPECIFIC); |
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if (mfr < 0) |
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/* |
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* Return the status register instead of an error, |
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* since we successfully read status. |
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*/ |
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return rc; |
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/* Add MFR_SPECIFIC bits to the standard pmbus status regs. */ |
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if (reg == PMBUS_STATUS_FAN_12) { |
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if (mfr & CFFPS_MFR_FAN_FAULT) |
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rc |= PB_FAN_FAN1_FAULT; |
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} else if (reg == PMBUS_STATUS_TEMPERATURE) { |
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if (mfr & CFFPS_MFR_THERMAL_FAULT) |
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rc |= PB_TEMP_OT_FAULT; |
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} else if (reg == PMBUS_STATUS_VOUT) { |
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if (mfr & (CFFPS_MFR_OV_FAULT | CFFPS_MFR_VAUX_FAULT)) |
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rc |= PB_VOLTAGE_OV_FAULT; |
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if (mfr & CFFPS_MFR_UV_FAULT) |
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rc |= PB_VOLTAGE_UV_FAULT; |
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} else if (reg == PMBUS_STATUS_IOUT) { |
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if (mfr & CFFPS_MFR_OC_FAULT) |
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rc |= PB_IOUT_OC_FAULT; |
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if (mfr & CFFPS_MFR_CURRENT_SHARE_WARNING) |
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rc |= PB_CURRENT_SHARE_FAULT; |
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} |
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break; |
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default: |
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rc = -ENODATA; |
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break; |
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} |
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return rc; |
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} |
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static int ibm_cffps_read_word_data(struct i2c_client *client, int page, |
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int phase, int reg) |
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{ |
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int rc, mfr; |
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switch (reg) { |
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case PMBUS_STATUS_WORD: |
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rc = pmbus_read_word_data(client, page, phase, reg); |
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if (rc < 0) |
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return rc; |
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mfr = pmbus_read_byte_data(client, page, |
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PMBUS_STATUS_MFR_SPECIFIC); |
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if (mfr < 0) |
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/* |
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* Return the status register instead of an error, |
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* since we successfully read status. |
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*/ |
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return rc; |
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if (mfr & CFFPS_MFR_PS_KILL) |
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rc |= PB_STATUS_OFF; |
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break; |
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case PMBUS_VIRT_READ_VMON: |
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rc = pmbus_read_word_data(client, page, phase, |
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CFFPS_12VCS_VOUT_CMD); |
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break; |
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default: |
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rc = -ENODATA; |
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break; |
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} |
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return rc; |
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} |
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static int ibm_cffps_led_brightness_set(struct led_classdev *led_cdev, |
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enum led_brightness brightness) |
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{ |
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int rc; |
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u8 next_led_state; |
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struct ibm_cffps *psu = container_of(led_cdev, struct ibm_cffps, led); |
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if (brightness == LED_OFF) { |
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next_led_state = CFFPS_LED_OFF; |
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} else { |
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brightness = LED_FULL; |
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if (psu->led_state != CFFPS_LED_BLINK) |
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next_led_state = CFFPS_LED_ON; |
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else |
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next_led_state = CFFPS_LED_BLINK; |
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} |
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dev_dbg(&psu->client->dev, "LED brightness set: %d. Command: %d.\n", |
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brightness, next_led_state); |
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pmbus_set_page(psu->client, 0, 0xff); |
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rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD, |
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next_led_state); |
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if (rc < 0) |
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return rc; |
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psu->led_state = next_led_state; |
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led_cdev->brightness = brightness; |
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return 0; |
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} |
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static int ibm_cffps_led_blink_set(struct led_classdev *led_cdev, |
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unsigned long *delay_on, |
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unsigned long *delay_off) |
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{ |
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int rc; |
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struct ibm_cffps *psu = container_of(led_cdev, struct ibm_cffps, led); |
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dev_dbg(&psu->client->dev, "LED blink set.\n"); |
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pmbus_set_page(psu->client, 0, 0xff); |
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rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD, |
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CFFPS_LED_BLINK); |
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if (rc < 0) |
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return rc; |
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psu->led_state = CFFPS_LED_BLINK; |
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led_cdev->brightness = LED_FULL; |
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*delay_on = CFFPS_BLINK_RATE_MS; |
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*delay_off = CFFPS_BLINK_RATE_MS; |
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return 0; |
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} |
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static void ibm_cffps_create_led_class(struct ibm_cffps *psu) |
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{ |
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int rc; |
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struct i2c_client *client = psu->client; |
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struct device *dev = &client->dev; |
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snprintf(psu->led_name, sizeof(psu->led_name), "%s-%02x", client->name, |
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client->addr); |
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psu->led.name = psu->led_name; |
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psu->led.max_brightness = LED_FULL; |
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psu->led.brightness_set_blocking = ibm_cffps_led_brightness_set; |
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psu->led.blink_set = ibm_cffps_led_blink_set; |
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rc = devm_led_classdev_register(dev, &psu->led); |
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if (rc) |
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dev_warn(dev, "failed to register led class: %d\n", rc); |
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else |
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i2c_smbus_write_byte_data(client, CFFPS_SYS_CONFIG_CMD, |
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CFFPS_LED_OFF); |
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} |
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static struct pmbus_driver_info ibm_cffps_info[] = { |
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[cffps1] = { |
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.pages = 1, |
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.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT | |
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PMBUS_HAVE_PIN | PMBUS_HAVE_FAN12 | PMBUS_HAVE_TEMP | |
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PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 | |
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PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT | |
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PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP | |
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PMBUS_HAVE_STATUS_FAN12, |
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.read_byte_data = ibm_cffps_read_byte_data, |
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.read_word_data = ibm_cffps_read_word_data, |
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}, |
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[cffps2] = { |
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.pages = 2, |
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.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT | |
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PMBUS_HAVE_PIN | PMBUS_HAVE_FAN12 | PMBUS_HAVE_TEMP | |
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PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 | |
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PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT | |
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PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP | |
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PMBUS_HAVE_STATUS_FAN12 | PMBUS_HAVE_VMON, |
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.func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT | |
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PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 | |
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PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT, |
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.read_byte_data = ibm_cffps_read_byte_data, |
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.read_word_data = ibm_cffps_read_word_data, |
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}, |
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}; |
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static struct pmbus_platform_data ibm_cffps_pdata = { |
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.flags = PMBUS_SKIP_STATUS_CHECK | PMBUS_NO_CAPABILITY, |
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}; |
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static int ibm_cffps_probe(struct i2c_client *client) |
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{ |
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int i, rc; |
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enum versions vs = cffps_unknown; |
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struct dentry *debugfs; |
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struct dentry *ibm_cffps_dir; |
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struct ibm_cffps *psu; |
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const void *md = of_device_get_match_data(&client->dev); |
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const struct i2c_device_id *id; |
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if (md) { |
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vs = (enum versions)md; |
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} else { |
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id = i2c_match_id(ibm_cffps_id, client); |
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if (id) |
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vs = (enum versions)id->driver_data; |
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} |
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|
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if (vs == cffps_unknown) { |
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u16 ccin_revision = 0; |
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u16 ccin_version = CFFPS_CCIN_VERSION_1; |
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int ccin = i2c_smbus_read_word_swapped(client, CFFPS_CCIN_CMD); |
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char mfg_id[I2C_SMBUS_BLOCK_MAX + 2] = { 0 }; |
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if (ccin > 0) { |
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ccin_revision = FIELD_GET(CFFPS_CCIN_REVISION, ccin); |
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ccin_version = FIELD_GET(CFFPS_CCIN_VERSION, ccin); |
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} |
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rc = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, mfg_id); |
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if (rc < 0) { |
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dev_err(&client->dev, "Failed to read Manufacturer ID\n"); |
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return rc; |
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} |
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|
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switch (ccin_version) { |
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default: |
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case CFFPS_CCIN_VERSION_1: |
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if ((strncmp(mfg_id, "ACBE", 4) == 0) || |
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(strncmp(mfg_id, "ARTE", 4) == 0)) |
|
vs = cffps1; |
|
else |
|
vs = cffps2; |
|
break; |
|
case CFFPS_CCIN_VERSION_2: |
|
vs = cffps2; |
|
break; |
|
case CFFPS_CCIN_VERSION_3: |
|
if (ccin_revision == CFFPS_CCIN_REVISION_LEGACY) |
|
vs = cffps1; |
|
else |
|
vs = cffps2; |
|
break; |
|
} |
|
|
|
/* Set the client name to include the version number. */ |
|
snprintf(client->name, I2C_NAME_SIZE, "cffps%d", vs + 1); |
|
} |
|
|
|
client->dev.platform_data = &ibm_cffps_pdata; |
|
rc = pmbus_do_probe(client, &ibm_cffps_info[vs]); |
|
if (rc) |
|
return rc; |
|
|
|
/* |
|
* Don't fail the probe if there isn't enough memory for leds and |
|
* debugfs. |
|
*/ |
|
psu = devm_kzalloc(&client->dev, sizeof(*psu), GFP_KERNEL); |
|
if (!psu) |
|
return 0; |
|
|
|
psu->version = vs; |
|
psu->client = client; |
|
mutex_init(&psu->input_history.update_lock); |
|
psu->input_history.last_update = jiffies - HZ; |
|
|
|
ibm_cffps_create_led_class(psu); |
|
|
|
/* Don't fail the probe if we can't create debugfs */ |
|
debugfs = pmbus_get_debugfs_dir(client); |
|
if (!debugfs) |
|
return 0; |
|
|
|
ibm_cffps_dir = debugfs_create_dir(client->name, debugfs); |
|
if (!ibm_cffps_dir) |
|
return 0; |
|
|
|
for (i = 0; i < CFFPS_DEBUGFS_NUM_ENTRIES; ++i) |
|
psu->debugfs_entries[i] = i; |
|
|
|
debugfs_create_file("input_history", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_INPUT_HISTORY], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("mfg_id", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_MFG_ID], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("fru", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_FRU], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("part_number", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_PN], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("header", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_HEADER], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("serial_number", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_SN], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("max_power_out", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_MAX_POWER_OUT], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("ccin", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_CCIN], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("fw_version", 0444, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_FW], |
|
&ibm_cffps_fops); |
|
debugfs_create_file("on_off_config", 0644, ibm_cffps_dir, |
|
&psu->debugfs_entries[CFFPS_DEBUGFS_ON_OFF_CONFIG], |
|
&ibm_cffps_fops); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct i2c_device_id ibm_cffps_id[] = { |
|
{ "ibm_cffps1", cffps1 }, |
|
{ "ibm_cffps2", cffps2 }, |
|
{ "ibm_cffps", cffps_unknown }, |
|
{} |
|
}; |
|
MODULE_DEVICE_TABLE(i2c, ibm_cffps_id); |
|
|
|
static const struct of_device_id ibm_cffps_of_match[] = { |
|
{ |
|
.compatible = "ibm,cffps1", |
|
.data = (void *)cffps1 |
|
}, |
|
{ |
|
.compatible = "ibm,cffps2", |
|
.data = (void *)cffps2 |
|
}, |
|
{ |
|
.compatible = "ibm,cffps", |
|
.data = (void *)cffps_unknown |
|
}, |
|
{} |
|
}; |
|
MODULE_DEVICE_TABLE(of, ibm_cffps_of_match); |
|
|
|
static struct i2c_driver ibm_cffps_driver = { |
|
.driver = { |
|
.name = "ibm-cffps", |
|
.of_match_table = ibm_cffps_of_match, |
|
}, |
|
.probe_new = ibm_cffps_probe, |
|
.id_table = ibm_cffps_id, |
|
}; |
|
|
|
module_i2c_driver(ibm_cffps_driver); |
|
|
|
MODULE_AUTHOR("Eddie James"); |
|
MODULE_DESCRIPTION("PMBus driver for IBM Common Form Factor power supplies"); |
|
MODULE_LICENSE("GPL"); |
|
MODULE_IMPORT_NS(PMBUS);
|
|
|