[09/11] usb: mtu3: move vbus and mode debugfs interfaces into mtu3_debugfs.c

Message ID	1551872783-13707-10-git-send-email-chunfeng.yun@mediatek.com (mailing list archive)
State	Mainlined
Commit	4aab6ad24a101b9fa3779acc27eefd8a730a6f63
Headers	show Return-Path: <linux-usb-owner@kernel.org> From: Chunfeng Yun <chunfeng.yun@mediatek.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Felipe Balbi <felipe.balbi@linux.intel.com>, Matthias Brugger <matthias.bgg@gmail.com> CC: Chunfeng Yun <chunfeng.yun@mediatek.com>, <linux-usb@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org> Subject: [PATCH 09/11] usb: mtu3: move vbus and mode debugfs interfaces into mtu3_debugfs.c Date: Wed, 6 Mar 2019 19:46:21 +0800 Message-ID: <1551872783-13707-10-git-send-email-chunfeng.yun@mediatek.com> In-Reply-To: <1551872783-13707-1-git-send-email-chunfeng.yun@mediatek.com> References: <1551872783-13707-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-usb-owner@vger.kernel.org Precedence: bulk
Series	add debugfs consumers, tracepoints and rebuild QMU \| expand [00/11] add debugfs consumers, tracepoints and rebuild QMU [01/11] usb: mtu3: check return value of devm_extcon_register_notifier() [02/11] usb: mtu3: print useful information also for device and host modes [03/11] usb: mtu3: remove unnecessary local variable @req [04/11] usb: mtu3: rebuild the code of getting vbus regulator [05/11] usb: mtu3: fix transfer error of USB3 Gen2 isoc [06/11] usb: mtu3: rebuild qmu_gpd struct to prepare to support new QMU format [07/11] usb: mtu3: supports new QMU format [08/11] usb: mtu3: add debugfs interface files [09/11] usb: mtu3: move vbus and mode debugfs interfaces into mtu3_debugfs.c [10/11] usb: mtu3: add tracepoints to help debug [11/11] usb: mtu3: add a function to switch mailbox state to string

diff --git a/drivers/usb/mtu3/mtu3_debug.h b/drivers/usb/mtu3/mtu3_debug.h index 94d39b00403e..d97a48c73469 100644 --- a/drivers/usb/mtu3/mtu3_debug.h +++ b/drivers/usb/mtu3/mtu3_debug.h @@ -27,11 +27,13 @@ struct mtu3_file_map { #if IS_ENABLED(CONFIG_DEBUG_FS) void ssusb_dev_debugfs_init(struct ssusb_mtk *ssusb); +void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb); void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb); void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb); #else static inline void ssusb_dev_debugfs_init(struct ssusb_mtk *ssusb) {} +static inline void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb) {} static inline void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb) {} static inline void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb) {} diff --git a/drivers/usb/mtu3/mtu3_debugfs.c b/drivers/usb/mtu3/mtu3_debugfs.c index 7cb1cad5a4b3..62c57ddc554e 100644 --- a/drivers/usb/mtu3/mtu3_debugfs.c +++ b/drivers/usb/mtu3/mtu3_debugfs.c @@ -10,6 +10,7 @@ #include <linux/uaccess.h> #include "mtu3.h" +#include "mtu3_dr.h" #include "mtu3_debug.h" #define dump_register(nm) \ @@ -425,6 +426,106 @@ void ssusb_dev_debugfs_init(struct ssusb_mtk *ssusb) mtu, &mtu3_ep_used_fops); } +static int ssusb_mode_show(struct seq_file *sf, void *unused) +{ + struct ssusb_mtk *ssusb = sf->private; + + seq_printf(sf, "current mode: %s(%s drd)\n(echo device/host)\n", + ssusb->is_host ? "host" : "device", + ssusb->otg_switch.manual_drd_enabled ? "manual" : "auto"); + + return 0; +} + +static int ssusb_mode_open(struct inode *inode, struct file *file) +{ + return single_open(file, ssusb_mode_show, inode->i_private); +} + +static ssize_t ssusb_mode_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct seq_file *sf = file->private_data; + struct ssusb_mtk *ssusb = sf->private; + char buf[16]; + + if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + return -EFAULT; + + if (!strncmp(buf, "host", 4) && !ssusb->is_host) { + ssusb_mode_manual_switch(ssusb, 1); + } else if (!strncmp(buf, "device", 6) && ssusb->is_host) { + ssusb_mode_manual_switch(ssusb, 0); + } else { + dev_err(ssusb->dev, "wrong or duplicated setting\n"); + return -EINVAL; + } + + return count; +} + +static const struct file_operations ssusb_mode_fops = { + .open = ssusb_mode_open, + .write = ssusb_mode_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int ssusb_vbus_show(struct seq_file *sf, void *unused) +{ + struct ssusb_mtk *ssusb = sf->private; + struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; + + seq_printf(sf, "vbus state: %s\n(echo on/off)\n", + regulator_is_enabled(otg_sx->vbus) ? "on" : "off"); + + return 0; +} + +static int ssusb_vbus_open(struct inode *inode, struct file *file) +{ + return single_open(file, ssusb_vbus_show, inode->i_private); +} + +static ssize_t ssusb_vbus_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct seq_file *sf = file->private_data; + struct ssusb_mtk *ssusb = sf->private; + struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; + char buf[16]; + bool enable; + + if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + return -EFAULT; + + if (kstrtobool(buf, &enable)) { + dev_err(ssusb->dev, "wrong setting\n"); + return -EINVAL; + } + + ssusb_set_vbus(otg_sx, enable); + + return count; +} + +static const struct file_operations ssusb_vbus_fops = { + .open = ssusb_vbus_open, + .write = ssusb_vbus_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb) +{ + struct dentry *root = ssusb->dbgfs_root; + + debugfs_create_file("mode", 0644, root, ssusb, &ssusb_mode_fops); + debugfs_create_file("vbus", 0644, root, ssusb, &ssusb_vbus_fops); +} + void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb) { ssusb->dbgfs_root = diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c index 3f86ae1e73e8..ff2956272e15 100644 --- a/drivers/usb/mtu3/mtu3_dr.c +++ b/drivers/usb/mtu3/mtu3_dr.c @@ -7,16 +7,9 @@ * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> */ -#include <linux/debugfs.h> -#include <linux/irq.h> -#include <linux/kernel.h> -#include <linux/of_device.h> -#include <linux/pinctrl/consumer.h> -#include <linux/seq_file.h> -#include <linux/uaccess.h> - #include "mtu3.h" #include "mtu3_dr.h" +#include "mtu3_debug.h" #define USB2_PORT 2 #define USB3_PORT 3 @@ -270,7 +263,7 @@ static int ssusb_extcon_register(struct otg_switch_mtk *otg_sx) * This is useful in special cases, such as uses TYPE-A receptacle but also * wants to support dual-role mode. */ -static void ssusb_mode_manual_switch(struct ssusb_mtk *ssusb, int to_host) +void ssusb_mode_manual_switch(struct ssusb_mtk *ssusb, int to_host) { struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; @@ -285,106 +278,6 @@ static void ssusb_mode_manual_switch(struct ssusb_mtk *ssusb, int to_host) } } -static int ssusb_mode_show(struct seq_file *sf, void *unused) -{ - struct ssusb_mtk *ssusb = sf->private; - - seq_printf(sf, "current mode: %s(%s drd)\n(echo device/host)\n", - ssusb->is_host ? "host" : "device", - ssusb->otg_switch.manual_drd_enabled ? "manual" : "auto"); - - return 0; -} - -static int ssusb_mode_open(struct inode *inode, struct file *file) -{ - return single_open(file, ssusb_mode_show, inode->i_private); -} - -static ssize_t ssusb_mode_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *sf = file->private_data; - struct ssusb_mtk *ssusb = sf->private; - char buf[16]; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (!strncmp(buf, "host", 4) && !ssusb->is_host) { - ssusb_mode_manual_switch(ssusb, 1); - } else if (!strncmp(buf, "device", 6) && ssusb->is_host) { - ssusb_mode_manual_switch(ssusb, 0); - } else { - dev_err(ssusb->dev, "wrong or duplicated setting\n"); - return -EINVAL; - } - - return count; -} - -static const struct file_operations ssusb_mode_fops = { - .open = ssusb_mode_open, - .write = ssusb_mode_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int ssusb_vbus_show(struct seq_file *sf, void *unused) -{ - struct ssusb_mtk *ssusb = sf->private; - struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - - seq_printf(sf, "vbus state: %s\n(echo on/off)\n", - regulator_is_enabled(otg_sx->vbus) ? "on" : "off"); - - return 0; -} - -static int ssusb_vbus_open(struct inode *inode, struct file *file) -{ - return single_open(file, ssusb_vbus_show, inode->i_private); -} - -static ssize_t ssusb_vbus_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *sf = file->private_data; - struct ssusb_mtk *ssusb = sf->private; - struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - char buf[16]; - bool enable; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (kstrtobool(buf, &enable)) { - dev_err(ssusb->dev, "wrong setting\n"); - return -EINVAL; - } - - ssusb_set_vbus(otg_sx, enable); - - return count; -} - -static const struct file_operations ssusb_vbus_fops = { - .open = ssusb_vbus_open, - .write = ssusb_vbus_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static void ssusb_debugfs_init(struct ssusb_mtk *ssusb) -{ - struct dentry *root = ssusb->dbgfs_root; - - debugfs_create_file("mode", 0644, root, ssusb, &ssusb_mode_fops); - debugfs_create_file("vbus", 0644, root, ssusb, &ssusb_vbus_fops); -} - void ssusb_set_force_mode(struct ssusb_mtk *ssusb, enum mtu3_dr_force_mode mode) { @@ -417,7 +310,7 @@ int ssusb_otg_switch_init(struct ssusb_mtk *ssusb) INIT_WORK(&otg_sx->vbus_work, ssusb_vbus_work); if (otg_sx->manual_drd_enabled) - ssusb_debugfs_init(ssusb); + ssusb_dr_debugfs_init(ssusb); else ret = ssusb_extcon_register(otg_sx); diff --git a/drivers/usb/mtu3/mtu3_dr.h b/drivers/usb/mtu3/mtu3_dr.h index 50702fdcde28..ba6fe357ce29 100644 --- a/drivers/usb/mtu3/mtu3_dr.h +++ b/drivers/usb/mtu3/mtu3_dr.h @@ -71,6 +71,7 @@ static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb) #if IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE) int ssusb_otg_switch_init(struct ssusb_mtk *ssusb); void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb); +void ssusb_mode_manual_switch(struct ssusb_mtk *ssusb, int to_host); int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on); void ssusb_set_force_mode(struct ssusb_mtk *ssusb, enum mtu3_dr_force_mode mode); @@ -85,6 +86,9 @@ static inline int ssusb_otg_switch_init(struct ssusb_mtk *ssusb) static inline void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb) {} +static inline void +ssusb_mode_manual_switch(struct ssusb_mtk *ssusb, int to_host) {} + static inline int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on) { return 0;

[09/11] usb: mtu3: move vbus and mode debugfs interfaces into mtu3_debugfs.c

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