Merge remote-tracking branch 'origin/ib-chrome-platform-cros-ec-sysfs-debugfs-for-v4.17' into working-branch-for-4.17
Merging Enric's cros-ec sysfs and debugfs fixes from immutable branch. Signed-off-by: Benson Leung <bleung@chromium.org>
This commit is contained in:
commit
c171d3b8a6
|
@ -305,8 +305,8 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec)
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resp = (struct ec_response_motion_sense *)msg->data;
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sensor_num = resp->dump.sensor_count;
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/* Allocate 2 extra sensors in case lid angle or FIFO are needed */
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sensor_cells = kzalloc(sizeof(struct mfd_cell) * (sensor_num + 2),
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/* Allocate 1 extra sensors in FIFO are needed */
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sensor_cells = kzalloc(sizeof(struct mfd_cell) * (sensor_num + 1),
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GFP_KERNEL);
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if (sensor_cells == NULL)
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goto error;
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@ -362,16 +362,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec)
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sensor_type[resp->info.type]++;
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id++;
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}
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if (sensor_type[MOTIONSENSE_TYPE_ACCEL] >= 2) {
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sensor_platforms[id].sensor_num = sensor_num;
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sensor_cells[id].name = "cros-ec-angle";
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sensor_cells[id].id = 0;
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sensor_cells[id].platform_data = &sensor_platforms[id];
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sensor_cells[id].pdata_size =
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sizeof(struct cros_ec_sensor_platform);
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id++;
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}
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if (sensor_type[MOTIONSENSE_TYPE_ACCEL] >= 2)
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ec->has_kb_wake_angle = true;
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if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
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sensor_cells[id].name = "cros-ec-ring";
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id++;
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@ -424,6 +418,14 @@ static int ec_device_probe(struct platform_device *pdev)
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goto failed;
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}
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/* check whether this EC is a sensor hub. */
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if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE))
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cros_ec_sensors_register(ec);
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/* Take control of the lightbar from the EC. */
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lb_manual_suspend_ctrl(ec, 1);
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/* We can now add the sysfs class, we know which parameter to show */
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retval = cdev_device_add(&ec->cdev, &ec->class_dev);
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if (retval) {
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dev_err(dev, "cdev_device_add failed => %d\n", retval);
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@ -433,13 +435,6 @@ static int ec_device_probe(struct platform_device *pdev)
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if (cros_ec_debugfs_init(ec))
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dev_warn(dev, "failed to create debugfs directory\n");
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/* check whether this EC is a sensor hub. */
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if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE))
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cros_ec_sensors_register(ec);
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/* Take control of the lightbar from the EC. */
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lb_manual_suspend_ctrl(ec, 1);
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return 0;
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failed:
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|
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@ -211,6 +211,58 @@ static int cros_ec_console_log_release(struct inode *inode, struct file *file)
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return 0;
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}
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static ssize_t cros_ec_pdinfo_read(struct file *file,
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char __user *user_buf,
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size_t count,
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loff_t *ppos)
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{
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char read_buf[EC_USB_PD_MAX_PORTS * 40], *p = read_buf;
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struct cros_ec_debugfs *debug_info = file->private_data;
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struct cros_ec_device *ec_dev = debug_info->ec->ec_dev;
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struct {
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struct cros_ec_command msg;
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union {
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struct ec_response_usb_pd_control_v1 resp;
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struct ec_params_usb_pd_control params;
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};
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} __packed ec_buf;
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struct cros_ec_command *msg;
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struct ec_response_usb_pd_control_v1 *resp;
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struct ec_params_usb_pd_control *params;
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int i;
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msg = &ec_buf.msg;
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params = (struct ec_params_usb_pd_control *)msg->data;
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resp = (struct ec_response_usb_pd_control_v1 *)msg->data;
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msg->command = EC_CMD_USB_PD_CONTROL;
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msg->version = 1;
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msg->insize = sizeof(*resp);
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msg->outsize = sizeof(*params);
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/*
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* Read status from all PD ports until failure, typically caused
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* by attempting to read status on a port that doesn't exist.
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*/
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for (i = 0; i < EC_USB_PD_MAX_PORTS; ++i) {
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params->port = i;
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params->role = 0;
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params->mux = 0;
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params->swap = 0;
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if (cros_ec_cmd_xfer_status(ec_dev, msg) < 0)
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break;
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p += scnprintf(p, sizeof(read_buf) + read_buf - p,
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"p%d: %s en:%.2x role:%.2x pol:%.2x\n", i,
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resp->state, resp->enabled, resp->role,
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resp->polarity);
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}
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return simple_read_from_buffer(user_buf, count, ppos,
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read_buf, p - read_buf);
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}
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const struct file_operations cros_ec_console_log_fops = {
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.owner = THIS_MODULE,
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.open = cros_ec_console_log_open,
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@ -220,6 +272,13 @@ const struct file_operations cros_ec_console_log_fops = {
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.release = cros_ec_console_log_release,
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};
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const struct file_operations cros_ec_pdinfo_fops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = cros_ec_pdinfo_read,
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.llseek = default_llseek,
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};
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static int ec_read_version_supported(struct cros_ec_dev *ec)
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{
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struct ec_params_get_cmd_versions_v1 *params;
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@ -288,7 +347,7 @@ static int cros_ec_create_console_log(struct cros_ec_debugfs *debug_info)
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init_waitqueue_head(&debug_info->log_wq);
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if (!debugfs_create_file("console_log",
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S_IFREG | S_IRUGO,
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S_IFREG | 0444,
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debug_info->dir,
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debug_info,
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&cros_ec_console_log_fops))
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@ -341,7 +400,7 @@ static int cros_ec_create_panicinfo(struct cros_ec_debugfs *debug_info)
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debug_info->panicinfo_blob.size = ret;
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if (!debugfs_create_blob("panicinfo",
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S_IFREG | S_IRUGO,
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S_IFREG | 0444,
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debug_info->dir,
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&debug_info->panicinfo_blob)) {
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ret = -ENOMEM;
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@ -355,6 +414,15 @@ free:
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return ret;
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}
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static int cros_ec_create_pdinfo(struct cros_ec_debugfs *debug_info)
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{
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if (!debugfs_create_file("pdinfo", 0444, debug_info->dir, debug_info,
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&cros_ec_pdinfo_fops))
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return -ENOMEM;
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return 0;
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}
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int cros_ec_debugfs_init(struct cros_ec_dev *ec)
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{
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struct cros_ec_platform *ec_platform = dev_get_platdata(ec->dev);
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@ -379,6 +447,10 @@ int cros_ec_debugfs_init(struct cros_ec_dev *ec)
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if (ret)
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goto remove_debugfs;
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ret = cros_ec_create_pdinfo(debug_info);
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if (ret)
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goto remove_debugfs;
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ec->debug_info = debug_info;
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return 0;
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|
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@ -34,10 +34,12 @@
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#include <linux/types.h>
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#include <linux/uaccess.h>
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#define to_cros_ec_dev(dev) container_of(dev, struct cros_ec_dev, class_dev)
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/* Accessor functions */
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static ssize_t show_ec_reboot(struct device *dev,
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struct device_attribute *attr, char *buf)
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static ssize_t reboot_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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int count = 0;
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@ -48,9 +50,9 @@ static ssize_t show_ec_reboot(struct device *dev,
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return count;
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}
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static ssize_t store_ec_reboot(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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static ssize_t reboot_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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static const struct {
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const char * const str;
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@ -70,8 +72,7 @@ static ssize_t store_ec_reboot(struct device *dev,
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int got_cmd = 0, offset = 0;
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int i;
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int ret;
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struct cros_ec_dev *ec = container_of(dev,
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struct cros_ec_dev, class_dev);
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struct cros_ec_dev *ec = to_cros_ec_dev(dev);
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msg = kmalloc(sizeof(*msg) + sizeof(*param), GFP_KERNEL);
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if (!msg)
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@ -114,22 +115,16 @@ static ssize_t store_ec_reboot(struct device *dev,
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msg->command = EC_CMD_REBOOT_EC + ec->cmd_offset;
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msg->outsize = sizeof(*param);
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msg->insize = 0;
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ret = cros_ec_cmd_xfer(ec->ec_dev, msg);
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if (ret < 0) {
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ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
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if (ret < 0)
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count = ret;
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goto exit;
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}
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if (msg->result != EC_RES_SUCCESS) {
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dev_dbg(ec->dev, "EC result %d\n", msg->result);
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count = -EINVAL;
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}
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exit:
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kfree(msg);
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return count;
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}
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static ssize_t show_ec_version(struct device *dev,
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struct device_attribute *attr, char *buf)
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static ssize_t version_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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static const char * const image_names[] = {"unknown", "RO", "RW"};
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struct ec_response_get_version *r_ver;
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@ -138,8 +133,7 @@ static ssize_t show_ec_version(struct device *dev,
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struct cros_ec_command *msg;
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int ret;
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int count = 0;
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struct cros_ec_dev *ec = container_of(dev,
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struct cros_ec_dev, class_dev);
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struct cros_ec_dev *ec = to_cros_ec_dev(dev);
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|
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msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL);
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if (!msg)
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|
@ -150,17 +144,11 @@ static ssize_t show_ec_version(struct device *dev,
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msg->command = EC_CMD_GET_VERSION + ec->cmd_offset;
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msg->insize = sizeof(*r_ver);
|
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msg->outsize = 0;
|
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ret = cros_ec_cmd_xfer(ec->ec_dev, msg);
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ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
|
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if (ret < 0) {
|
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count = ret;
|
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goto exit;
|
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}
|
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if (msg->result != EC_RES_SUCCESS) {
|
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count = scnprintf(buf, PAGE_SIZE,
|
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"ERROR: EC returned %d\n", msg->result);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
r_ver = (struct ec_response_get_version *)msg->data;
|
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/* Strings should be null-terminated, but let's be sure. */
|
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r_ver->version_string_ro[sizeof(r_ver->version_string_ro) - 1] = '\0';
|
||||
|
@ -237,14 +225,13 @@ exit:
|
|||
return count;
|
||||
}
|
||||
|
||||
static ssize_t show_ec_flashinfo(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
static ssize_t flashinfo_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct ec_response_flash_info *resp;
|
||||
struct cros_ec_command *msg;
|
||||
int ret;
|
||||
struct cros_ec_dev *ec = container_of(dev,
|
||||
struct cros_ec_dev, class_dev);
|
||||
struct cros_ec_dev *ec = to_cros_ec_dev(dev);
|
||||
|
||||
msg = kmalloc(sizeof(*msg) + sizeof(*resp), GFP_KERNEL);
|
||||
if (!msg)
|
||||
|
@ -255,14 +242,9 @@ static ssize_t show_ec_flashinfo(struct device *dev,
|
|||
msg->command = EC_CMD_FLASH_INFO + ec->cmd_offset;
|
||||
msg->insize = sizeof(*resp);
|
||||
msg->outsize = 0;
|
||||
ret = cros_ec_cmd_xfer(ec->ec_dev, msg);
|
||||
ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
|
||||
if (ret < 0)
|
||||
goto exit;
|
||||
if (msg->result != EC_RES_SUCCESS) {
|
||||
ret = scnprintf(buf, PAGE_SIZE,
|
||||
"ERROR: EC returned %d\n", msg->result);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
resp = (struct ec_response_flash_info *)msg->data;
|
||||
|
||||
|
@ -276,21 +258,102 @@ exit:
|
|||
return ret;
|
||||
}
|
||||
|
||||
/* Keyboard wake angle control */
|
||||
static ssize_t kb_wake_angle_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct cros_ec_dev *ec = to_cros_ec_dev(dev);
|
||||
struct ec_response_motion_sense *resp;
|
||||
struct ec_params_motion_sense *param;
|
||||
struct cros_ec_command *msg;
|
||||
int ret;
|
||||
|
||||
msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL);
|
||||
if (!msg)
|
||||
return -ENOMEM;
|
||||
|
||||
param = (struct ec_params_motion_sense *)msg->data;
|
||||
msg->command = EC_CMD_MOTION_SENSE_CMD + ec->cmd_offset;
|
||||
msg->version = 2;
|
||||
param->cmd = MOTIONSENSE_CMD_KB_WAKE_ANGLE;
|
||||
param->kb_wake_angle.data = EC_MOTION_SENSE_NO_VALUE;
|
||||
msg->outsize = sizeof(*param);
|
||||
msg->insize = sizeof(*resp);
|
||||
|
||||
ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
|
||||
if (ret < 0)
|
||||
goto exit;
|
||||
|
||||
resp = (struct ec_response_motion_sense *)msg->data;
|
||||
ret = scnprintf(buf, PAGE_SIZE, "%d\n", resp->kb_wake_angle.ret);
|
||||
exit:
|
||||
kfree(msg);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static ssize_t kb_wake_angle_store(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct cros_ec_dev *ec = to_cros_ec_dev(dev);
|
||||
struct ec_params_motion_sense *param;
|
||||
struct cros_ec_command *msg;
|
||||
u16 angle;
|
||||
int ret;
|
||||
|
||||
ret = kstrtou16(buf, 0, &angle);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL);
|
||||
if (!msg)
|
||||
return -ENOMEM;
|
||||
|
||||
param = (struct ec_params_motion_sense *)msg->data;
|
||||
msg->command = EC_CMD_MOTION_SENSE_CMD + ec->cmd_offset;
|
||||
msg->version = 2;
|
||||
param->cmd = MOTIONSENSE_CMD_KB_WAKE_ANGLE;
|
||||
param->kb_wake_angle.data = angle;
|
||||
msg->outsize = sizeof(*param);
|
||||
msg->insize = sizeof(struct ec_response_motion_sense);
|
||||
|
||||
ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
|
||||
kfree(msg);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
return count;
|
||||
}
|
||||
|
||||
/* Module initialization */
|
||||
|
||||
static DEVICE_ATTR(reboot, S_IWUSR | S_IRUGO, show_ec_reboot, store_ec_reboot);
|
||||
static DEVICE_ATTR(version, S_IRUGO, show_ec_version, NULL);
|
||||
static DEVICE_ATTR(flashinfo, S_IRUGO, show_ec_flashinfo, NULL);
|
||||
static DEVICE_ATTR_RW(reboot);
|
||||
static DEVICE_ATTR_RO(version);
|
||||
static DEVICE_ATTR_RO(flashinfo);
|
||||
static DEVICE_ATTR_RW(kb_wake_angle);
|
||||
|
||||
static struct attribute *__ec_attrs[] = {
|
||||
&dev_attr_kb_wake_angle.attr,
|
||||
&dev_attr_reboot.attr,
|
||||
&dev_attr_version.attr,
|
||||
&dev_attr_flashinfo.attr,
|
||||
NULL,
|
||||
};
|
||||
|
||||
static umode_t cros_ec_ctrl_visible(struct kobject *kobj,
|
||||
struct attribute *a, int n)
|
||||
{
|
||||
struct device *dev = container_of(kobj, struct device, kobj);
|
||||
struct cros_ec_dev *ec = to_cros_ec_dev(dev);
|
||||
|
||||
if (a == &dev_attr_kb_wake_angle.attr && !ec->has_kb_wake_angle)
|
||||
return 0;
|
||||
|
||||
return a->mode;
|
||||
}
|
||||
|
||||
struct attribute_group cros_ec_attr_group = {
|
||||
.attrs = __ec_attrs,
|
||||
.is_visible = cros_ec_ctrl_visible,
|
||||
};
|
||||
EXPORT_SYMBOL(cros_ec_attr_group);
|
||||
|
||||
|
|
|
@ -183,6 +183,7 @@ struct cros_ec_debugfs;
|
|||
* @ec_dev: cros_ec_device structure to talk to the physical device
|
||||
* @dev: pointer to the platform device
|
||||
* @debug_info: cros_ec_debugfs structure for debugging information
|
||||
* @has_kb_wake_angle: true if at least 2 accelerometer are connected to the EC.
|
||||
* @cmd_offset: offset to apply for each command.
|
||||
*/
|
||||
struct cros_ec_dev {
|
||||
|
@ -191,6 +192,7 @@ struct cros_ec_dev {
|
|||
struct cros_ec_device *ec_dev;
|
||||
struct device *dev;
|
||||
struct cros_ec_debugfs *debug_info;
|
||||
bool has_kb_wake_angle;
|
||||
u16 cmd_offset;
|
||||
u32 features[2];
|
||||
};
|
||||
|
|
|
@ -2948,6 +2948,9 @@ struct ec_response_usb_pd_control_v1 {
|
|||
|
||||
#define EC_CMD_USB_PD_PORTS 0x102
|
||||
|
||||
/* Maximum number of PD ports on a device, num_ports will be <= this */
|
||||
#define EC_USB_PD_MAX_PORTS 8
|
||||
|
||||
struct ec_response_usb_pd_ports {
|
||||
uint8_t num_ports;
|
||||
} __packed;
|
||||
|
|
Loading…
Reference in a new issue