From 18ab2efaa8209a6b3ec563644b6c23d134e78af3 Mon Sep 17 00:00:00 2001 From: juhosg Date: Mon, 28 Jun 2010 17:23:52 +0000 Subject: generic: rtl8366: move common debugfs code to rtl8366_smi.c git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21981 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../generic/files/drivers/net/phy/rtl8366_smi.c | 164 +++++++++++++++++++++ 1 file changed, 164 insertions(+) (limited to 'target/linux/generic/files/drivers/net/phy/rtl8366_smi.c') diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c index dacb46594..feb7d2ca9 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c @@ -16,6 +16,10 @@ #include #include +#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS +#include +#endif + #include "rtl8366_smi.h" #define RTL8366_SMI_ACK_RETRY_COUNT 5 @@ -484,6 +488,163 @@ int rtl8366_set_pvid(struct rtl8366_smi *smi, unsigned port, unsigned vid) } EXPORT_SYMBOL_GPL(rtl8366_set_pvid); +#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS +int rtl8366_debugfs_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} +EXPORT_SYMBOL_GPL(rtl8366_debugfs_open); + +static ssize_t rtl8366_read_debugfs_vlan_mc(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data; + int i, len = 0; + char *buf = smi->buf; + + len += snprintf(buf + len, sizeof(smi->buf) - len, + "%2s %6s %4s %6s %6s %3s\n", + "id", "vid","prio", "member", "untag", "fid"); + + for (i = 0; i < smi->num_vlan_mc; ++i) { + struct rtl8366_vlan_mc vlanmc; + + smi->ops->get_vlan_mc(smi, i, &vlanmc); + + len += snprintf(buf + len, sizeof(smi->buf) - len, + "%2d %6d %4d 0x%04x 0x%04x %3d\n", + i, vlanmc.vid, vlanmc.priority, + vlanmc.member, vlanmc.untag, vlanmc.fid); + } + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t rtl8366_read_debugfs_reg(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data; + u32 t, reg = smi->dbg_reg; + int err, len = 0; + char *buf = smi->buf; + + memset(buf, '\0', sizeof(smi->buf)); + + err = rtl8366_smi_read_reg(smi, reg, &t); + if (err) { + len += snprintf(buf, sizeof(smi->buf), + "Read failed (reg: 0x%04x)\n", reg); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); + } + + len += snprintf(buf, sizeof(smi->buf), "reg = 0x%04x, val = 0x%04x\n", + reg, t); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t rtl8366_write_debugfs_reg(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data; + unsigned long data; + u32 reg = smi->dbg_reg; + int err; + size_t len; + char *buf = smi->buf; + + len = min(count, sizeof(smi->buf) - 1); + if (copy_from_user(buf, user_buf, len)) { + dev_err(smi->parent, "copy from user failed\n"); + return -EFAULT; + } + + buf[len] = '\0'; + if (len > 0 && buf[len - 1] == '\n') + buf[len - 1] = '\0'; + + + if (strict_strtoul(buf, 16, &data)) { + dev_err(smi->parent, "Invalid reg value %s\n", buf); + } else { + err = rtl8366_smi_write_reg(smi, reg, data); + if (err) { + dev_err(smi->parent, + "writing reg 0x%04x val 0x%04lx failed\n", + reg, data); + } + } + + return count; +} + +static const struct file_operations fops_rtl8366_regs = { + .read = rtl8366_read_debugfs_reg, + .write = rtl8366_write_debugfs_reg, + .open = rtl8366_debugfs_open, + .owner = THIS_MODULE +}; + +static const struct file_operations fops_rtl8366_vlan_mc = { + .read = rtl8366_read_debugfs_vlan_mc, + .open = rtl8366_debugfs_open, + .owner = THIS_MODULE +}; + +static void rtl8366_debugfs_init(struct rtl8366_smi *smi) +{ + struct dentry *node; + struct dentry *root; + + if (!smi->debugfs_root) + smi->debugfs_root = debugfs_create_dir(dev_name(smi->parent), + NULL); + + if (!smi->debugfs_root) { + dev_err(smi->parent, "Unable to create debugfs dir\n"); + return; + } + root = smi->debugfs_root; + + node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, + &smi->dbg_reg); + if (!node) { + dev_err(smi->parent, "Creating debugfs file '%s' failed\n", + "reg"); + return; + } + + node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, smi, + &fops_rtl8366_regs); + if (!node) { + dev_err(smi->parent, "Creating debugfs file '%s' failed\n", + "val"); + return; + } + + node = debugfs_create_file("vlan_mc", S_IRUSR, root, smi, + &fops_rtl8366_vlan_mc); + if (!node) + dev_err(smi->parent, "Creating debugfs file '%s' failed\n", + "vlan_mc"); +} + +static void rtl8366_debugfs_remove(struct rtl8366_smi *smi) +{ + if (smi->debugfs_root) { + debugfs_remove_recursive(smi->debugfs_root); + smi->debugfs_root = NULL; + } +} +#else +static inline void rtl8366_debugfs_init(struct rtl8366_smi *smi) {} +static inline void rtl8366_debugfs_remove(struct rtl8366_smi *smi) {} +#endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */ + static int rtl8366_smi_mii_init(struct rtl8366_smi *smi) { int ret; @@ -564,6 +725,8 @@ int rtl8366_smi_init(struct rtl8366_smi *smi) if (err) goto err_free_sck; + rtl8366_debugfs_init(smi); + return 0; err_free_sck: @@ -577,6 +740,7 @@ EXPORT_SYMBOL_GPL(rtl8366_smi_init); void rtl8366_smi_cleanup(struct rtl8366_smi *smi) { + rtl8366_debugfs_remove(smi); rtl8366_smi_mii_cleanup(smi); gpio_free(smi->gpio_sck); gpio_free(smi->gpio_sda); -- cgit v1.2.3