diff options
Diffstat (limited to 'target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c | 1726 |
1 files changed, 13 insertions, 1713 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c b/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c index 084c3d5a41..70218fc6ca 100644 --- a/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c +++ b/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c @@ -1,8 +1,7 @@ /* - * Platform driver for the Realtek RTL8366 ethernet switch + * Realtek RTL8366 SMI interface driver * - * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com> + * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -11,231 +10,16 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/init.h> -#include <linux/platform_device.h> +#include <linux/device.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/spinlock.h> -#include <linux/skbuff.h> -#include <linux/switch.h> -#include <linux/phy.h> -#include <linux/rtl8366_smi.h> -#ifdef CONFIG_RTL8366_SMI_DEBUG_FS -#include <linux/debugfs.h> -#endif - -#define RTL8366S_DRIVER_NAME "rtl8366-smi" -#define RTL8366S_DRIVER_DESC "Realtek RTL8366 switch driver" -#define RTL8366S_DRIVER_VER "0.1.1" - -#define RTL8366S_PHY_NO_MAX 4 -#define RTL8366S_PHY_PAGE_MAX 7 -#define RTL8366S_PHY_ADDR_MAX 31 - -#define RTL8366_CHIP_GLOBAL_CTRL_REG 0x0000 -#define RTL8366_CHIP_CTRL_VLAN (1 << 13) - -#define RTL8366_RESET_CTRL_REG 0x0100 -#define RTL8366_CHIP_CTRL_RESET_HW 1 -#define RTL8366_CHIP_CTRL_RESET_SW (1 << 1) - -#define RTL8366S_CHIP_VERSION_CTRL_REG 0x0104 -#define RTL8366S_CHIP_VERSION_MASK 0xf -#define RTL8366S_CHIP_ID_REG 0x0105 -#define RTL8366S_CHIP_ID_8366 0x8366 - -/* PHY registers control */ -#define RTL8366S_PHY_ACCESS_CTRL_REG 0x8028 -#define RTL8366S_PHY_ACCESS_DATA_REG 0x8029 - -#define RTL8366S_PHY_CTRL_READ 1 -#define RTL8366S_PHY_CTRL_WRITE 0 - -#define RTL8366S_PHY_REG_MASK 0x1f -#define RTL8366S_PHY_PAGE_OFFSET 5 -#define RTL8366S_PHY_PAGE_MASK (0x7 << 5) -#define RTL8366S_PHY_NO_OFFSET 9 -#define RTL8366S_PHY_NO_MASK (0x1f << 9) +#include "rtl8366_smi.h" #define RTL8366_SMI_ACK_RETRY_COUNT 5 #define RTL8366_SMI_CLK_DELAY 10 /* nsec */ -/* LED control registers */ -#define RTL8366_LED_BLINKRATE_REG 0x0420 -#define RTL8366_LED_BLINKRATE_BIT 0 -#define RTL8366_LED_BLINKRATE_MASK 0x0007 - -#define RTL8366_LED_CTRL_REG 0x0421 -#define RTL8366_LED_0_1_CTRL_REG 0x0422 -#define RTL8366_LED_2_3_CTRL_REG 0x0423 - -#define RTL8366S_MIB_COUNT 33 -#define RTL8366S_GLOBAL_MIB_COUNT 1 -#define RTL8366S_MIB_COUNTER_PORT_OFFSET 0x0040 -#define RTL8366S_MIB_COUNTER_BASE 0x1000 -#define RTL8366S_MIB_CTRL_REG 0x11F0 -#define RTL8366S_MIB_CTRL_USER_MASK 0x01FF -#define RTL8366S_MIB_CTRL_BUSY_MASK 0x0001 -#define RTL8366S_MIB_CTRL_RESET_MASK 0x0002 - -#define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004 -#define RTL8366S_MIB_CTRL_PORT_RESET_BIT 0x0003 -#define RTL8366S_MIB_CTRL_PORT_RESET_MASK 0x01FC - - -#define RTL8366S_PORT_VLAN_CTRL_BASE 0x0058 -#define RTL8366S_PORT_VLAN_CTRL_REG(_p) \ - (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4) -#define RTL8366S_PORT_VLAN_CTRL_MASK 0xf -#define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p) (4 * ((_p) % 4)) - - -#define RTL8366S_VLAN_TABLE_READ_BASE 0x018B -#define RTL8366S_VLAN_TABLE_WRITE_BASE 0x0185 - -#define RTL8366S_VLAN_TB_CTRL_REG 0x010F - -#define RTL8366S_TABLE_ACCESS_CTRL_REG 0x0180 -#define RTL8366S_TABLE_VLAN_READ_CTRL 0x0E01 -#define RTL8366S_TABLE_VLAN_WRITE_CTRL 0x0F01 - -#define RTL8366S_VLAN_MEMCONF_BASE 0x0016 - - -#define RTL8366S_PORT_LINK_STATUS_BASE 0x0060 -#define RTL8366S_PORT_STATUS_SPEED_MASK 0x0003 -#define RTL8366S_PORT_STATUS_DUPLEX_MASK 0x0004 -#define RTL8366S_PORT_STATUS_LINK_MASK 0x0010 -#define RTL8366S_PORT_STATUS_TXPAUSE_MASK 0x0020 -#define RTL8366S_PORT_STATUS_RXPAUSE_MASK 0x0040 -#define RTL8366S_PORT_STATUS_AN_MASK 0x0080 - - -#define RTL8366_PORT_NUM_CPU 5 -#define RTL8366_NUM_PORTS 6 -#define RTL8366_NUM_VLANS 16 -#define RTL8366_NUM_LEDGROUPS 4 -#define RTL8366_NUM_VIDS 4096 -#define RTL8366S_PRIORITYMAX 7 -#define RTL8366S_FIDMAX 7 - - -#define RTL8366_PORT_1 (1 << 0) /* In userspace port 0 */ -#define RTL8366_PORT_2 (1 << 1) /* In userspace port 1 */ -#define RTL8366_PORT_3 (1 << 2) /* In userspace port 2 */ -#define RTL8366_PORT_4 (1 << 3) /* In userspace port 3 */ - -#define RTL8366_PORT_UNKNOWN (1 << 4) /* No known connection */ -#define RTL8366_PORT_CPU (1 << 5) /* CPU port */ - -#define RTL8366_PORT_ALL (RTL8366_PORT_1 | \ - RTL8366_PORT_2 | \ - RTL8366_PORT_3 | \ - RTL8366_PORT_4 | \ - RTL8366_PORT_UNKNOWN | \ - RTL8366_PORT_CPU) - -#define RTL8366_PORT_ALL_BUT_CPU (RTL8366_PORT_1 | \ - RTL8366_PORT_2 | \ - RTL8366_PORT_3 | \ - RTL8366_PORT_4 | \ - RTL8366_PORT_UNKNOWN) - -#define RTL8366_PORT_ALL_EXTERNAL (RTL8366_PORT_1 | \ - RTL8366_PORT_2 | \ - RTL8366_PORT_3 | \ - RTL8366_PORT_4) - -#define RTL8366_PORT_ALL_INTERNAL (RTL8366_PORT_UNKNOWN | \ - RTL8366_PORT_CPU) - -struct rtl8366s_vlanconfig { - u16 reserved2:1; - u16 priority:3; - u16 vid:12; - - u16 reserved1:1; - u16 fid:3; - u16 untag:6; - u16 member:6; -}; - -struct rtl8366s_vlan4kentry { - u16 reserved1:4; - u16 vid:12; - - u16 reserved2:1; - u16 fid:3; - u16 untag:6; - u16 member:6; -}; - -static const char *MIBCOUNTERS[] = { - "IfInOctets ", - "EtherStatsOctets ", - "EtherStatsUnderSizePkts ", - "EtherFregament ", - "EtherStatsPkts64Octets ", - "EtherStatsPkts65to127Octets ", - "EtherStatsPkts128to255Octets ", - "EtherStatsPkts256to511Octets ", - "EtherStatsPkts512to1023Octets ", - "EtherStatsPkts1024to1518Octets ", - "EtherOversizeStats ", - "EtherStatsJabbers ", - "IfInUcastPkts ", - "EtherStatsMulticastPkts ", - "EtherStatsBroadcastPkts ", - "EtherStatsDropEvents ", - "Dot3StatsFCSErrors ", - "Dot3StatsSymbolErrors ", - "Dot3InPauseFrames ", - "Dot3ControlInUnknownOpcodes ", - "IfOutOctets ", - "Dot3StatsSingleCollisionFrames ", - "Dot3StatMultipleCollisionFrames ", - "Dot3sDeferredTransmissions ", - "Dot3StatsLateCollisions ", - "EtherStatsCollisions ", - "Dot3StatsExcessiveCollisions ", - "Dot3OutPauseFrames ", - "Dot1dBasePortDelayExceededDiscards", - "Dot1dTpPortInDiscards ", - "IfOutUcastPkts ", - "IfOutMulticastPkts ", - "IfOutBroadcastPkts ", - NULL, -}; - -struct rtl8366_smi { - struct device *parent; - unsigned int gpio_sda; - unsigned int gpio_sck; - spinlock_t lock; -}; - -struct rtl8366s { - struct device *parent; - struct rtl8366_smi smi; - struct mii_bus *mii_bus; - int mii_irq[PHY_MAX_ADDR]; - struct switch_dev dev; - char buf[4096]; -#ifdef CONFIG_RTL8366_SMI_DEBUG_FS - struct dentry *debugfs_root; -#endif -}; - -#ifdef CONFIG_RTL8366_SMI_DEBUG_FS -u16 g_dbg_reg; -#endif - -static inline struct rtl8366s *sw_to_rtl8366s(struct switch_dev *sw) -{ - return container_of(sw, struct rtl8366s, dev); -} - static inline void rtl8366_smi_clk_delay(struct rtl8366_smi *smi) { ndelay(RTL8366_SMI_CLK_DELAY); @@ -397,7 +181,7 @@ static int rtl8366_smi_read_byte1(struct rtl8366_smi *smi, u8 *data) return 0; } -static int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data) +int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data) { unsigned long flags; u8 lo = 0; @@ -438,8 +222,9 @@ static int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data) return ret; } +EXPORT_SYMBOL_GPL(rtl8366_smi_read_reg); -static int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data) +int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data) { unsigned long flags; int ret; @@ -481,1352 +266,9 @@ static int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data) return ret; } +EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg); -static int rtl8366s_read_phy_reg(struct rtl8366s *rtl, - u32 phy_no, u32 page, u32 addr, u32 *data) -{ - struct rtl8366_smi *smi = &rtl->smi; - u32 reg; - int ret; - - if (phy_no > RTL8366S_PHY_NO_MAX) - return -EINVAL; - - if (page > RTL8366S_PHY_PAGE_MAX) - return -EINVAL; - - if (addr > RTL8366S_PHY_ADDR_MAX) - return -EINVAL; - - ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG, - RTL8366S_PHY_CTRL_READ); - if (ret) - return ret; - - reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) | - ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) | - (addr & RTL8366S_PHY_REG_MASK); - - ret = rtl8366_smi_write_reg(smi, reg, 0); - if (ret) - return ret; - - ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data); - if (ret) - return ret; - - return 0; -} - -static int rtl8366s_write_phy_reg(struct rtl8366s *rtl, - u32 phy_no, u32 page, u32 addr, u32 data) -{ - struct rtl8366_smi *smi = &rtl->smi; - u32 reg; - int ret; - - if (phy_no > RTL8366S_PHY_NO_MAX) - return -EINVAL; - - if (page > RTL8366S_PHY_PAGE_MAX) - return -EINVAL; - - if (addr > RTL8366S_PHY_ADDR_MAX) - return -EINVAL; - - ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG, - RTL8366S_PHY_CTRL_WRITE); - if (ret) - return ret; - - reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) | - ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) | - (addr & RTL8366S_PHY_REG_MASK); - - ret = rtl8366_smi_write_reg(smi, reg, data); - if (ret) - return ret; - - return 0; -} - -static int rtl8366_get_mib_counter(struct rtl8366s *rtl, int counter, - int port, unsigned long long *val) -{ - struct rtl8366_smi *smi = &rtl->smi; - int i; - int err; - u32 addr, data, regoffset; - u64 mibvalue; - - /* address offset to MIBs counter */ - const u16 mibLength[RTL8366S_MIB_COUNT] = {4, 4, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 4, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2}; - - if (port > RTL8366_NUM_PORTS || counter >= RTL8366S_MIB_COUNT) - return -EINVAL; - - regoffset = RTL8366S_MIB_COUNTER_PORT_OFFSET * (port); - - for (i = 0; i < counter; i++) - regoffset += mibLength[i]; - - addr = RTL8366S_MIB_COUNTER_BASE + regoffset; - - /* - * Writing access counter address first - * then ASIC will prepare 64bits counter wait for being retrived - */ - data = 0; /* writing data will be discard by ASIC */ - err = rtl8366_smi_write_reg(smi, addr, data); - if (err) - return err; - - /* read MIB control register */ - err = rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data); - if (err) - return err; - - if (data & RTL8366S_MIB_CTRL_BUSY_MASK) - return -EBUSY; - - if (data & RTL8366S_MIB_CTRL_RESET_MASK) - return -EIO; - - mibvalue = 0; - addr = addr + mibLength[counter] - 1; - i = mibLength[counter]; - - while (i) { - err = rtl8366_smi_read_reg(smi, addr, &data); - if (err) - return err; - - mibvalue = (mibvalue << 16) | (data & 0xFFFF); - - addr--; - i--; - } - - *val = mibvalue; - return 0; -} - -static int rtl8366s_get_vlan_4k_entry(struct rtl8366s *rtl, u32 vid, - struct rtl8366s_vlan4kentry *vlan4k) -{ - struct rtl8366_smi *smi = &rtl->smi; - int err; - u32 data; - u16 *tableaddr; - - memset(vlan4k, '\0', sizeof(struct rtl8366s_vlan4kentry)); - vlan4k->vid = vid; - - if (vid >= RTL8366_NUM_VIDS) - return -EINVAL; - - tableaddr = (u16 *)vlan4k; - - /* write VID */ - data = *tableaddr; - err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data); - if (err) - return err; - - /* write table access control word */ - err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG, - RTL8366S_TABLE_VLAN_READ_CTRL); - if (err) - return err; - - err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE, &data); - if (err) - return err; - - *tableaddr = data; - tableaddr++; - - err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 1, - &data); - if (err) - return err; - - *tableaddr = data; - vlan4k->vid = vid; - - return 0; -} - -static int rtl8366s_set_vlan_4k_entry(struct rtl8366s *rtl, - const struct rtl8366s_vlan4kentry *vlan4k) -{ - struct rtl8366_smi *smi = &rtl->smi; - int err; - u32 data; - u16 *tableaddr; - - if (vlan4k->vid >= RTL8366_NUM_VIDS || - vlan4k->member > RTL8366_PORT_ALL || - vlan4k->untag > RTL8366_PORT_ALL || - vlan4k->fid > RTL8366S_FIDMAX) - return -EINVAL; - - tableaddr = (u16 *)vlan4k; - - data = *tableaddr; - - err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data); - if (err) - return err; - - tableaddr++; - - data = *tableaddr; - - err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 1, - data); - if (err) - return err; - - /* write table access control word */ - err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG, - RTL8366S_TABLE_VLAN_WRITE_CTRL); - - return err; -} - -static int rtl8366s_get_vlan_member_config(struct rtl8366s *rtl, u32 index, - struct rtl8366s_vlanconfig *vlanmc) -{ - struct rtl8366_smi *smi = &rtl->smi; - int err; - u32 addr; - u32 data; - u16 *tableaddr; - - memset(vlanmc, '\0', sizeof(struct rtl8366s_vlanconfig)); - - if (index >= RTL8366_NUM_VLANS) - return -EINVAL; - - tableaddr = (u16 *)vlanmc; - - addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1); - err = rtl8366_smi_read_reg(smi, addr, &data); - if (err) - return err; - - *tableaddr = data; - tableaddr++; - - addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1); - err = rtl8366_smi_read_reg(smi, addr, &data); - if (err) - return err; - - *tableaddr = data; - - return 0; -} - -static int rtl8366s_set_vlan_member_config(struct rtl8366s *rtl, u32 index, - const struct rtl8366s_vlanconfig - *vlanmc) -{ - struct rtl8366_smi *smi = &rtl->smi; - int err; - u32 addr; - u32 data; - u16 *tableaddr; - - if (index >= RTL8366_NUM_VLANS || - vlanmc->vid >= RTL8366_NUM_VIDS || - vlanmc->priority > RTL8366S_PRIORITYMAX || - vlanmc->member > RTL8366_PORT_ALL || - vlanmc->untag > RTL8366_PORT_ALL || - vlanmc->fid > RTL8366S_FIDMAX) - return -EINVAL; - - addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1); - - tableaddr = (u16 *)vlanmc; - data = *tableaddr; - - err = rtl8366_smi_write_reg(smi, addr, data); - if (err) - return err; - - addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1); - - tableaddr++; - data = *tableaddr; - - err = rtl8366_smi_write_reg(smi, addr, data); - if (err) - return err; - - return 0; -} - -static int rtl8366s_get_port_vlan_index(struct rtl8366s *rtl, int port, - int *val) -{ - struct rtl8366_smi *smi = &rtl->smi; - u32 data; - int err; - - if (port >= RTL8366_NUM_PORTS) - return -EINVAL; - - err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port), - &data); - if (err) - return err; - - *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) & - RTL8366S_PORT_VLAN_CTRL_MASK; - - return 0; - -} - -static int rtl8366s_get_vlan_port_pvid(struct rtl8366s *rtl, int port, - int *val) -{ - struct rtl8366s_vlanconfig vlanmc; - int err; - int index; - - err = rtl8366s_get_port_vlan_index(rtl, port, &index); - if (err) - return err; - - err = rtl8366s_get_vlan_member_config(rtl, index, &vlanmc); - if (err) - return err; - - *val = vlanmc.vid; - return 0; -} - -static int rtl8366s_set_port_vlan_index(struct rtl8366s *rtl, int port, - int index) -{ - struct rtl8366_smi *smi = &rtl->smi; - u32 data; - int err; - - if (port >= RTL8366_NUM_PORTS || index >= RTL8366_NUM_VLANS) - return -EINVAL; - - err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port), - &data); - if (err) - return err; - - data &= ~(RTL8366S_PORT_VLAN_CTRL_MASK << - RTL8366S_PORT_VLAN_CTRL_SHIFT(port)); - data |= (index & RTL8366S_PORT_VLAN_CTRL_MASK) << - RTL8366S_PORT_VLAN_CTRL_SHIFT(port); - - err = rtl8366_smi_write_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port), - data); - return err; -} - -static int rtl8366s_set_vlan_port_pvid(struct rtl8366s *rtl, int port, int val) -{ - int i; - struct rtl8366s_vlanconfig vlanmc; - struct rtl8366s_vlan4kentry vlan4k; - - if (port >= RTL8366_NUM_PORTS || val >= RTL8366_NUM_VIDS) - return -EINVAL; - - /* Updating the 4K entry; lookup it and change the port member set */ - rtl8366s_get_vlan_4k_entry(rtl, val, &vlan4k); - vlan4k.member |= ((1 << port) | RTL8366_PORT_CPU); - vlan4k.untag = RTL8366_PORT_ALL_BUT_CPU; - rtl8366s_set_vlan_4k_entry(rtl, &vlan4k); - - /* - * For the 16 entries more work needs to be done. First see if such - * VID is already there and change it - */ - for (i = 0; i < RTL8366_NUM_VLANS; ++i) { - rtl8366s_get_vlan_member_config(rtl, i, &vlanmc); - - /* Try to find an existing vid and update port member set */ - if (val == vlanmc.vid) { - vlanmc.member |= ((1 << port) | RTL8366_PORT_CPU); - rtl8366s_set_vlan_member_config(rtl, i, &vlanmc); - - /* Now update PVID register settings */ - rtl8366s_set_port_vlan_index(rtl, port, i); - - return 0; - } - } - - /* - * PVID could not be found from vlan table. Replace unused (one that - * has no member ports) with new one - */ - for (i = 0; i < RTL8366_NUM_VLANS; ++i) { - rtl8366s_get_vlan_member_config(rtl, i, &vlanmc); - - /* - * See if this vlan member configuration is unused. It is - * unused if member set contains no ports or CPU port only - */ - if (!vlanmc.member || vlanmc.member == RTL8366_PORT_CPU) { - vlanmc.vid = val; - vlanmc.priority = 0; - vlanmc.untag = RTL8366_PORT_ALL_BUT_CPU; - vlanmc.member = ((1 << port) | RTL8366_PORT_CPU); - vlanmc.fid = 0; - - rtl8366s_set_vlan_member_config(rtl, i, &vlanmc); - - /* Now update PVID register settings */ - rtl8366s_set_port_vlan_index(rtl, port, i); - - return 0; - } - } - - dev_err(rtl->parent, - "All 16 vlan member configurations are in use\n"); - - return -EINVAL; -} - - -static int rtl8366s_vlan_set_vlan(struct rtl8366s *rtl, int enable) -{ - struct rtl8366_smi *smi = &rtl->smi; - u32 data = 0; - - rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data); - - if (enable) - data |= RTL8366_CHIP_CTRL_VLAN; - else - data &= ~RTL8366_CHIP_CTRL_VLAN; - - return rtl8366_smi_write_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, data); -} - -static int rtl8366s_vlan_set_4ktable(struct rtl8366s *rtl, int enable) -{ - struct rtl8366_smi *smi = &rtl->smi; - u32 data = 0; - - rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data); - - if (enable) - data |= 1; - else - data &= ~1; - - return rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, data); -} - -static int rtl8366s_reset_vlan(struct rtl8366s *rtl) -{ - struct rtl8366s_vlan4kentry vlan4k; - struct rtl8366s_vlanconfig vlanmc; - int err; - int i; - - /* clear 16 VLAN member configuration */ - vlanmc.vid = 0; - vlanmc.priority = 0; - vlanmc.member = 0; - vlanmc.untag = 0; - vlanmc.fid = 0; - for (i = 0; i < RTL8366_NUM_VLANS; i++) { - err = rtl8366s_set_vlan_member_config(rtl, i, &vlanmc); - if (err) - return err; - } - - /* Set a default VLAN with vid 1 to 4K table for all ports */ - vlan4k.vid = 1; - vlan4k.member = RTL8366_PORT_ALL; - vlan4k.untag = RTL8366_PORT_ALL; - vlan4k.fid = 0; - err = rtl8366s_set_vlan_4k_entry(rtl, &vlan4k); - if (err) - return err; - - /* Set all ports PVID to default VLAN */ - for (i = 0; i < RTL8366_NUM_PORTS; i++) { - err = rtl8366s_set_vlan_port_pvid(rtl, i, 0); - if (err) - return err; - } - - return 0; -} - -#ifdef CONFIG_RTL8366_SMI_DEBUG_FS -static int rtl8366s_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -static ssize_t rtl8366s_read_debugfs_mibs(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct rtl8366s *rtl = (struct rtl8366s *)file->private_data; - int i, j, len = 0; - char *buf = rtl->buf; - - len += snprintf(buf + len, sizeof(rtl->buf) - len, "MIB Counters:\n"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, "Counter" - " " - "Port 0 \t\t Port 1 \t\t Port 2 \t\t Port 3 \t\t " - "Port 4\n"); - - for (i = 0; i < 33; ++i) { - len += snprintf(buf + len, sizeof(rtl->buf) - len, "%d:%s ", - i, MIBCOUNTERS[i]); - for (j = 0; j < RTL8366_NUM_PORTS; ++j) { - unsigned long long counter = 0; - - if (!rtl8366_get_mib_counter(rtl, i, j, &counter)) - len += snprintf(buf + len, - sizeof(rtl->buf) - len, - "[%llu]", counter); - else - len += snprintf(buf + len, - sizeof(rtl->buf) - len, - "[error]"); - - if (j != RTL8366_NUM_PORTS - 1) { - if (counter < 100000) - len += snprintf(buf + len, - sizeof(rtl->buf) - len, - "\t"); - - len += snprintf(buf + len, - sizeof(rtl->buf) - len, - "\t"); - } - } - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n"); - } - - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n"); - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); -} - -static ssize_t rtl8366s_read_debugfs_vlan(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct rtl8366s *rtl = (struct rtl8366s *)file->private_data; - int i, j, len = 0; - char *buf = rtl->buf; - - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "VLAN Member Config:\n"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "\t id \t vid \t prio \t member \t untag \t fid " - "\tports\n"); - - for (i = 0; i < RTL8366_NUM_VLANS; ++i) { - struct rtl8366s_vlanconfig vlanmc; - - rtl8366s_get_vlan_member_config(rtl, i, &vlanmc); - - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "\t[%d] \t %d \t %d \t 0x%04x \t 0x%04x \t %d " - "\t", i, vlanmc.vid, vlanmc.priority, - vlanmc.member, vlanmc.untag, vlanmc.fid); - - for (j = 0; j < RTL8366_NUM_PORTS; ++j) { - int index = 0; - if (!rtl8366s_get_port_vlan_index(rtl, j, &index)) { - if (index == i) - len += snprintf(buf + len, - sizeof(rtl->buf) - len, - "%d", j); - } - } - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n"); - } - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); -} - -static ssize_t rtl8366s_read_debugfs_reg(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct rtl8366s *rtl = (struct rtl8366s *)file->private_data; - struct rtl8366_smi *smi = &rtl->smi; - u32 t, reg = g_dbg_reg; - int err, len = 0; - char *buf = rtl->buf; - - memset(buf, '\0', sizeof(rtl->buf)); - - err = rtl8366_smi_read_reg(smi, reg, &t); - if (err) { - len += snprintf(buf, sizeof(rtl->buf), - "Read failed (reg: 0x%04x)\n", reg); - return simple_read_from_buffer(user_buf, count, ppos, buf, len); - } - - len += snprintf(buf, sizeof(rtl->buf), "reg = 0x%04x, val = 0x%04x\n", - reg, t); - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); -} - -static ssize_t rtl8366s_write_debugfs_reg(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct rtl8366s *rtl = (struct rtl8366s *)file->private_data; - struct rtl8366_smi *smi = &rtl->smi; - unsigned long data; - u32 reg = g_dbg_reg; - int err; - size_t len; - char *buf = rtl->buf; - - len = min(count, sizeof(rtl->buf) - 1); - if (copy_from_user(buf, user_buf, len)) { - dev_err(rtl->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(rtl->parent, "Invalid reg value %s\n", buf); - } else { - err = rtl8366_smi_write_reg(smi, reg, data); - if (err) { - dev_err(rtl->parent, - "writing reg 0x%04x val 0x%04lx failed\n", - reg, data); - } - } - - return count; -} - -static const struct file_operations fops_rtl8366s_regs = { - .read = rtl8366s_read_debugfs_reg, - .write = rtl8366s_write_debugfs_reg, - .open = rtl8366s_debugfs_open, - .owner = THIS_MODULE -}; - -static const struct file_operations fops_rtl8366s_vlan = { - .read = rtl8366s_read_debugfs_vlan, - .open = rtl8366s_debugfs_open, - .owner = THIS_MODULE -}; - -static const struct file_operations fops_rtl8366s_mibs = { - .read = rtl8366s_read_debugfs_mibs, - .open = rtl8366s_debugfs_open, - .owner = THIS_MODULE -}; - -static void rtl8366s_debugfs_init(struct rtl8366s *rtl) -{ - struct dentry *node; - struct dentry *root; - - if (!rtl->debugfs_root) - rtl->debugfs_root = debugfs_create_dir("rtl8366s", NULL); - - if (!rtl->debugfs_root) { - dev_err(rtl->parent, "Unable to create debugfs dir\n"); - return; - } - root = rtl->debugfs_root; - - node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, &g_dbg_reg); - if (!node) { - dev_err(rtl->parent, "Creating debugfs file reg failed\n"); - return; - } - - node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, rtl, - &fops_rtl8366s_regs); - if (!node) { - dev_err(rtl->parent, "Creating debugfs file val failed\n"); - return; - } - - node = debugfs_create_file("vlan", S_IRUSR, root, rtl, - &fops_rtl8366s_vlan); - if (!node) { - dev_err(rtl->parent, - "Creating debugfs file vlan failed\n"); - return; - } - - node = debugfs_create_file("mibs", S_IRUSR, root, rtl, - &fops_rtl8366s_mibs); - if (!node) { - dev_err(rtl->parent, - "Creating debugfs file mibs failed\n"); - return; - } -} - -static void rtl8366s_debugfs_remove(struct rtl8366s *rtl) -{ - if (rtl->debugfs_root) { - debugfs_remove_recursive(rtl->debugfs_root); - rtl->debugfs_root = NULL; - } -} - -#else -static inline void rtl8366s_debugfs_init(struct rtl8366s *rtl) {} -static inline void rtl8366s_debugfs_remove(struct rtl8366s *rtl) {} -#endif /* CONFIG_RTL8366_SMI_DEBUG_FS */ - -static int rtl8366s_sw_reset_mibs(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 data = 0; - - if (val->value.i == 1) { - rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data); - data |= (1 << 2); - rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data); - } - - return 0; -} - -static int rtl8366s_sw_get_vlan_enable(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 data; - - if (attr->ofs == 1) { - rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data); - - if (data & RTL8366_CHIP_CTRL_VLAN) - val->value.i = 1; - else - val->value.i = 0; - } else if (attr->ofs == 2) { - rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data); - - if (data & 0x0001) - val->value.i = 1; - else - val->value.i = 0; - } - - return 0; -} - -static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 data; - - rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data); - - val->value.i = (data & (RTL8366_LED_BLINKRATE_MASK)); - - return 0; -} - -static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 data; - - if (val->value.i >= 6) - return -EINVAL; - - rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data); - - data &= ~RTL8366_LED_BLINKRATE_MASK; - data |= val->value.i; - - rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data); - - return 0; -} - -static int rtl8366s_sw_set_vlan_enable(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - - if (attr->ofs == 1) - return rtl8366s_vlan_set_vlan(rtl, val->value.i); - else - return rtl8366s_vlan_set_4ktable(rtl, val->value.i); -} - -static const char *rtl8366s_speed_str(unsigned speed) -{ - switch (speed) { - case 0: - return "10baseT"; - case 1: - return "100baseT"; - case 2: - return "1000baseT"; - } - - return "unknown"; -} - -static int rtl8366s_sw_get_port_link(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 len = 0, data = 0; - - if (val->port_vlan >= RTL8366_NUM_PORTS) - return -EINVAL; - - memset(rtl->buf, '\0', sizeof(rtl->buf)); - rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE + - (val->port_vlan / 2), &data); - - if (val->port_vlan % 2) - data = data >> 8; - - len = snprintf(rtl->buf, sizeof(rtl->buf), - "port:%d link:%s speed:%s %s-duplex %s%s%s", - val->port_vlan, - (data & RTL8366S_PORT_STATUS_LINK_MASK) ? "up" : "down", - rtl8366s_speed_str(data & - RTL8366S_PORT_STATUS_SPEED_MASK), - (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ? - "full" : "half", - (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ? - "tx-pause ": "", - (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ? - "rx-pause " : "", - (data & RTL8366S_PORT_STATUS_AN_MASK) ? "nway ": ""); - - val->value.s = rtl->buf; - val->len = len; - - return 0; -} - -static int rtl8366s_sw_get_vlan_info(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - int i; - u32 len = 0; - struct rtl8366s_vlanconfig vlanmc; - struct rtl8366s_vlan4kentry vlan4k; - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - char *buf = rtl->buf; - - if (val->port_vlan >= RTL8366_NUM_VLANS) - return -EINVAL; - - memset(buf, '\0', sizeof(rtl->buf)); - - rtl8366s_get_vlan_member_config(rtl, val->port_vlan, &vlanmc); - rtl8366s_get_vlan_4k_entry(rtl, vlanmc.vid, &vlan4k); - - len += snprintf(buf + len, sizeof(rtl->buf) - len, "VLAN %d: Ports: ", - val->port_vlan); - - for (i = 0; i < RTL8366_NUM_PORTS; ++i) { - int index = 0; - if (!rtl8366s_get_port_vlan_index(rtl, i, &index) && - index == val->port_vlan) - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "%d", i); - } - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n"); - - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "\t\t vid \t prio \t member \t untag \t fid\n"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\tMC:\t"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "%d \t %d \t 0x%04x \t 0x%04x \t %d\n", - vlanmc.vid, vlanmc.priority, vlanmc.member, - vlanmc.untag, vlanmc.fid); - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\t4K:\t"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "%d \t \t 0x%04x \t 0x%04x \t %d", - vlan4k.vid, vlan4k.member, vlan4k.untag, vlan4k.fid); - - val->value.s = buf; - val->len = len; - - return 0; -} - -static int rtl8366s_sw_set_port_led(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 data = 0; - - if (val->port_vlan >= RTL8366_NUM_PORTS || - (1 << val->port_vlan) == RTL8366_PORT_UNKNOWN) - return -EINVAL; - - if (val->port_vlan == RTL8366_PORT_NUM_CPU) { - rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data); - data = (data & (~(0xF << 4))) | (val->value.i << 4); - rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data); - } else { - rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data); - data = (data & (~(0xF << (val->port_vlan * 4)))) | - (val->value.i << (val->port_vlan * 4)); - rtl8366_smi_write_reg(smi, RTL8366_LED_CTRL_REG, data); - } - - return 0; -} - -static int rtl8366s_sw_get_port_led(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 data = 0; - - if (val->port_vlan >= RTL8366_NUM_LEDGROUPS) - return -EINVAL; - - rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data); - val->value.i = (data >> (val->port_vlan * 4)) & 0x000F; - - return 0; -} - -static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - u32 data = 0; - - if (val->port_vlan >= RTL8366_NUM_PORTS) - return -EINVAL; - - rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data); - data |= (1 << (val->port_vlan + 3)); - rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data); - - return 0; -} - -static int rtl8366s_sw_get_port_mib(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - int i, len = 0; - unsigned long long counter = 0; - char *buf = rtl->buf; - - if (val->port_vlan >= RTL8366_NUM_PORTS) - return -EINVAL; - - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "Port %d MIB counters\n", - val->port_vlan); - - for (i = 0; i < RTL8366S_MIB_COUNT; ++i) { - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "%d:%s\t", i, MIBCOUNTERS[i]); - if (!rtl8366_get_mib_counter(rtl, i, val->port_vlan, &counter)) - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "[%llu]\n", counter); - else - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "[error]\n"); - } - - val->value.s = buf; - val->len = len; - return 0; -} - -static int rtl8366s_sw_get_vlan_ports(struct switch_dev *dev, - struct switch_val *val) -{ - struct rtl8366s_vlanconfig vlanmc; - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct switch_port *port; - int i; - - if (val->port_vlan >= RTL8366_NUM_VLANS) - return -EINVAL; - - rtl8366s_get_vlan_member_config(rtl, val->port_vlan, &vlanmc); - - port = &val->value.ports[0]; - val->len = 0; - for (i = 0; i < RTL8366_NUM_PORTS; i++) { - if (!(vlanmc.member & BIT(i))) - continue; - - port->id = i; - port->flags = (vlanmc.untag & BIT(i)) ? - 0 : BIT(SWITCH_PORT_FLAG_TAGGED); - val->len++; - port++; - } - return 0; -} - -static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev, - struct switch_val *val) -{ - struct rtl8366s_vlanconfig vlanmc; - struct rtl8366s_vlan4kentry vlan4k; - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct switch_port *port; - int i; - - if (val->port_vlan >= RTL8366_NUM_VLANS) - return -EINVAL; - - rtl8366s_get_vlan_member_config(rtl, val->port_vlan, &vlanmc); - rtl8366s_get_vlan_4k_entry(rtl, vlanmc.vid, &vlan4k); - - vlanmc.untag = 0; - vlanmc.member = 0; - - port = &val->value.ports[0]; - for (i = 0; i < val->len; i++, port++) { - vlanmc.member |= BIT(port->id); - - if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED))) - vlanmc.untag |= BIT(port->id); - } - - vlan4k.member = vlanmc.member; - vlan4k.untag = vlanmc.untag; - - rtl8366s_set_vlan_member_config(rtl, val->port_vlan, &vlanmc); - rtl8366s_set_vlan_4k_entry(rtl, &vlan4k); - return 0; -} - -static int rtl8366s_sw_get_port_pvid(struct switch_dev *dev, int port, int *val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - return rtl8366s_get_vlan_port_pvid(rtl, port, val); -} - -static int rtl8366s_sw_set_port_pvid(struct switch_dev *dev, int port, int val) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - return rtl8366s_set_vlan_port_pvid(rtl, port, val); -} - -static int rtl8366s_sw_reset_switch(struct switch_dev *dev) -{ - struct rtl8366s *rtl = sw_to_rtl8366s(dev); - struct rtl8366_smi *smi = &rtl->smi; - int timeout = 10; - u32 data; - - rtl8366_smi_write_reg(smi, RTL8366_RESET_CTRL_REG, - RTL8366_CHIP_CTRL_RESET_HW); - do { - msleep(1); - if (rtl8366_smi_read_reg(smi, RTL8366_RESET_CTRL_REG, &data)) - return -EIO; - - if (!(data & RTL8366_CHIP_CTRL_RESET_HW)) - break; - } while (--timeout); - - if (!timeout) { - printk("Timeout waiting for the switch to reset\n"); - return -EIO; - } - - return rtl8366s_reset_vlan(rtl); -} - -static struct switch_attr rtl8366s_globals[] = { - { - .type = SWITCH_TYPE_INT, - .name = "enable_vlan", - .description = "Enable VLAN mode", - .set = rtl8366s_sw_set_vlan_enable, - .get = rtl8366s_sw_get_vlan_enable, - .max = 1, - .ofs = 1 - }, { - .type = SWITCH_TYPE_INT, - .name = "enable_vlan4k", - .description = "Enable VLAN 4K mode", - .set = rtl8366s_sw_set_vlan_enable, - .get = rtl8366s_sw_get_vlan_enable, - .max = 1, - .ofs = 2 - }, { - .type = SWITCH_TYPE_INT, - .name = "reset_mibs", - .description = "Reset all MIB counters", - .set = rtl8366s_sw_reset_mibs, - .get = NULL, - .max = 1 - }, { - .type = SWITCH_TYPE_INT, - .name = "blinkrate", - .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms," - " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)", - .set = rtl8366s_sw_set_blinkrate, - .get = rtl8366s_sw_get_blinkrate, - .max = 5 - }, -}; - -static struct switch_attr rtl8366s_port[] = { - { - .type = SWITCH_TYPE_STRING, - .name = "link", - .description = "Get port link information", - .max = 1, - .set = NULL, - .get = rtl8366s_sw_get_port_link, - }, { - .type = SWITCH_TYPE_INT, - .name = "reset_mib", - .description = "Reset single port MIB counters", - .max = 1, - .set = rtl8366s_sw_reset_port_mibs, - .get = NULL, - }, { - .type = SWITCH_TYPE_STRING, - .name = "mib", - .description = "Get MIB counters for port", - .max = 33, - .set = NULL, - .get = rtl8366s_sw_get_port_mib, - }, { - .type = SWITCH_TYPE_INT, - .name = "led", - .description = "Get/Set port group (0 - 3) led mode (0 - 15)", - .max = 15, - .set = rtl8366s_sw_set_port_led, - .get = rtl8366s_sw_get_port_led, - }, -}; - -static struct switch_attr rtl8366s_vlan[] = { - { - .type = SWITCH_TYPE_STRING, - .name = "info", - .description = "Get vlan information", - .max = 1, - .set = NULL, - .get = rtl8366s_sw_get_vlan_info, - }, -}; - - -/* template */ -static struct switch_dev rtl8366_switch_dev = { - .name = "RTL8366S", - .cpu_port = RTL8366_PORT_NUM_CPU, - .ports = RTL8366_NUM_PORTS, - .vlans = RTL8366_NUM_VLANS, - .attr_global = { - .attr = rtl8366s_globals, - .n_attr = ARRAY_SIZE(rtl8366s_globals), - }, - .attr_port = { - .attr = rtl8366s_port, - .n_attr = ARRAY_SIZE(rtl8366s_port), - }, - .attr_vlan = { - .attr = rtl8366s_vlan, - .n_attr = ARRAY_SIZE(rtl8366s_vlan), - }, - - .get_vlan_ports = rtl8366s_sw_get_vlan_ports, - .set_vlan_ports = rtl8366s_sw_set_vlan_ports, - .get_port_pvid = rtl8366s_sw_get_port_pvid, - .set_port_pvid = rtl8366s_sw_set_port_pvid, - .reset_switch = rtl8366s_sw_reset_switch, -}; - -static int rtl8366s_switch_init(struct rtl8366s *rtl) -{ - struct switch_dev *dev = &rtl->dev; - int err; - - memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev)); - dev->priv = rtl; - dev->devname = dev_name(rtl->parent); - - err = register_switch(dev, NULL); - if (err) - dev_err(rtl->parent, "switch registration failed\n"); - - return err; -} - -static void rtl8366s_switch_cleanup(struct rtl8366s *rtl) -{ - unregister_switch(&rtl->dev); -} - -static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg) -{ - struct rtl8366s *rtl = bus->priv; - u32 val = 0; - int err; - - err = rtl8366s_read_phy_reg(rtl, addr, 0, reg, &val); - if (err) - return 0xffff; - - return val; -} - -static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val) -{ - struct rtl8366s *rtl = bus->priv; - u32 t; - int err; - - err = rtl8366s_write_phy_reg(rtl, addr, 0, reg, val); - /* flush write */ - (void) rtl8366s_read_phy_reg(rtl, addr, 0, reg, &t); - - return err; -} - -static int rtl8366s_mii_init(struct rtl8366s *rtl) -{ - int ret; - int i; - - rtl->mii_bus = mdiobus_alloc(); - if (rtl->mii_bus == NULL) { - ret = -ENOMEM; - goto err; - } - - rtl->mii_bus->priv = (void *) rtl; - rtl->mii_bus->name = "rtl8366-rtl"; - rtl->mii_bus->read = rtl8366s_mii_read; - rtl->mii_bus->write = rtl8366s_mii_write; - snprintf(rtl->mii_bus->id, MII_BUS_ID_SIZE, "%s", - dev_name(rtl->parent)); - rtl->mii_bus->parent = rtl->parent; - rtl->mii_bus->phy_mask = ~(0x1f); - rtl->mii_bus->irq = rtl->mii_irq; - for (i = 0; i < PHY_MAX_ADDR; i++) - rtl->mii_irq[i] = PHY_POLL; - - ret = mdiobus_register(rtl->mii_bus); - if (ret) - goto err_free; - - return 0; - - err_free: - mdiobus_free(rtl->mii_bus); - err: - return ret; -} - -static void rtl8366s_mii_cleanup(struct rtl8366s *rtl) -{ - mdiobus_unregister(rtl->mii_bus); - mdiobus_free(rtl->mii_bus); -} - -static int rtl8366s_mii_bus_match(struct mii_bus *bus) -{ - return (bus->read == rtl8366s_mii_read && - bus->write == rtl8366s_mii_write); -} - -static int rtl8366s_setup(struct rtl8366s *rtl) -{ - struct rtl8366_smi *smi = &rtl->smi; - u32 chip_id = 0; - u32 chip_ver = 0; - int ret; - - ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id); - if (ret) { - dev_err(rtl->parent, "unable to read chip id\n"); - return ret; - } - - switch (chip_id) { - case RTL8366S_CHIP_ID_8366: - break; - default: - dev_err(rtl->parent, "unknown chip id (%04x)\n", chip_id); - return -ENODEV; - } - - ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG, - &chip_ver); - if (ret) { - dev_err(rtl->parent, "unable to read chip version\n"); - return ret; - } - - dev_info(rtl->parent, "RTL%04x ver. %u chip found\n", - chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK); - - rtl8366s_debugfs_init(rtl); - - return 0; -} - -static int __init rtl8366_smi_init(struct rtl8366_smi *smi) +int rtl8366_smi_init(struct rtl8366_smi *smi) { int err; @@ -1859,157 +301,15 @@ static int __init rtl8366_smi_init(struct rtl8366_smi *smi) err_out: return err; } +EXPORT_SYMBOL_GPL(rtl8366_smi_init); -static void rtl8366_smi_cleanup(struct rtl8366_smi *smi) +void rtl8366_smi_cleanup(struct rtl8366_smi *smi) { gpio_free(smi->gpio_sck); gpio_free(smi->gpio_sda); } +EXPORT_SYMBOL_GPL(rtl8366_smi_cleanup); -static int __init rtl8366s_probe(struct platform_device *pdev) -{ - static int rtl8366_smi_version_printed; - struct rtl8366_smi_platform_data *pdata; - struct rtl8366s *rtl; - struct rtl8366_smi *smi; - int err; - - if (!rtl8366_smi_version_printed++) - printk(KERN_NOTICE RTL8366S_DRIVER_DESC - " version " RTL8366S_DRIVER_VER"\n"); - - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_err(&pdev->dev, "no platform data specified\n"); - err = -EINVAL; - goto err_out; - } - - rtl = kzalloc(sizeof(*rtl), GFP_KERNEL); - if (!rtl) { - dev_err(&pdev->dev, "no memory for private data\n"); - err = -ENOMEM; - goto err_out; - } - - rtl->parent = &pdev->dev; - - smi = &rtl->smi; - smi->parent = &pdev->dev; - smi->gpio_sda = pdata->gpio_sda; - smi->gpio_sck = pdata->gpio_sck; - - err = rtl8366_smi_init(smi); - if (err) - goto err_free_rtl; - - platform_set_drvdata(pdev, rtl); - - err = rtl8366s_setup(rtl); - if (err) - goto err_clear_drvdata; - - err = rtl8366s_mii_init(rtl); - if (err) - goto err_clear_drvdata; - - err = rtl8366s_switch_init(rtl); - if (err) - goto err_mii_cleanup; - - return 0; - - err_mii_cleanup: - rtl8366s_mii_cleanup(rtl); - err_clear_drvdata: - platform_set_drvdata(pdev, NULL); - rtl8366_smi_cleanup(smi); - err_free_rtl: - kfree(rtl); - err_out: - return err; -} - -static int rtl8366s_phy_config_init(struct phy_device *phydev) -{ - if (!rtl8366s_mii_bus_match(phydev->bus)) - return -EINVAL; - - return 0; -} - -static int rtl8366s_phy_config_aneg(struct phy_device *phydev) -{ - return 0; -} - -static struct phy_driver rtl8366s_phy_driver = { - .phy_id = 0x001cc960, - .name = "Realtek RTL8366", - .phy_id_mask = 0x1ffffff0, - .features = PHY_GBIT_FEATURES, - .config_aneg = rtl8366s_phy_config_aneg, - .config_init = rtl8366s_phy_config_init, - .read_status = genphy_read_status, - .driver = { - .owner = THIS_MODULE, - }, -}; - -static int __devexit rtl8366s_remove(struct platform_device *pdev) -{ - struct rtl8366s *rtl = platform_get_drvdata(pdev); - - if (rtl) { - rtl8366s_switch_cleanup(rtl); - rtl8366s_debugfs_remove(rtl); - rtl8366s_mii_cleanup(rtl); - platform_set_drvdata(pdev, NULL); - rtl8366_smi_cleanup(&rtl->smi); - kfree(rtl); - } - - return 0; -} - -static struct platform_driver rtl8366s_driver = { - .driver = { - .name = RTL8366S_DRIVER_NAME, - .owner = THIS_MODULE, - }, - .probe = rtl8366s_probe, - .remove = __devexit_p(rtl8366s_remove), -}; - -static int __init rtl8366s_module_init(void) -{ - int ret; - ret = platform_driver_register(&rtl8366s_driver); - if (ret) - return ret; - - ret = phy_driver_register(&rtl8366s_phy_driver); - if (ret) - goto err_platform_unregister; - - return 0; - - err_platform_unregister: - platform_driver_unregister(&rtl8366s_driver); - return ret; -} -module_init(rtl8366s_module_init); - -static void __exit rtl8366s_module_exit(void) -{ - phy_driver_unregister(&rtl8366s_phy_driver); - platform_driver_unregister(&rtl8366s_driver); -} -module_exit(rtl8366s_module_exit); - -MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC); -MODULE_VERSION(RTL8366S_DRIVER_VER); +MODULE_DESCRIPTION("Realtek RTL8366 SMI interface driver"); MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); -MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>"); MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME); |