diff options
Diffstat (limited to 'target/linux/generic-2.6/files/drivers')
3 files changed, 2048 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c new file mode 100644 index 000000000..70218fc6c --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c @@ -0,0 +1,315 @@ +/* + * Realtek RTL8366 SMI interface driver + * + * 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 + * by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/spinlock.h> + +#include "rtl8366_smi.h" + +#define RTL8366_SMI_ACK_RETRY_COUNT 5 +#define RTL8366_SMI_CLK_DELAY 10 /* nsec */ + +static inline void rtl8366_smi_clk_delay(struct rtl8366_smi *smi) +{ + ndelay(RTL8366_SMI_CLK_DELAY); +} + +static void rtl8366_smi_start(struct rtl8366_smi *smi) +{ + unsigned int sda = smi->gpio_sda; + unsigned int sck = smi->gpio_sck; + + /* + * Set GPIO pins to output mode, with initial state: + * SCK = 0, SDA = 1 + */ + gpio_direction_output(sck, 0); + gpio_direction_output(sda, 1); + rtl8366_smi_clk_delay(smi); + + /* CLK 1: 0 -> 1, 1 -> 0 */ + gpio_set_value(sck, 1); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 0); + rtl8366_smi_clk_delay(smi); + + /* CLK 2: */ + gpio_set_value(sck, 1); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sda, 0); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 0); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sda, 1); +} + +static void rtl8366_smi_stop(struct rtl8366_smi *smi) +{ + unsigned int sda = smi->gpio_sda; + unsigned int sck = smi->gpio_sck; + + rtl8366_smi_clk_delay(smi); + gpio_set_value(sda, 0); + gpio_set_value(sck, 1); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sda, 1); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 1); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 0); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 1); + + /* add a click */ + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 0); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 1); + + /* set GPIO pins to input mode */ + gpio_direction_input(sda); + gpio_direction_input(sck); +} + +static void rtl8366_smi_write_bits(struct rtl8366_smi *smi, u32 data, u32 len) +{ + unsigned int sda = smi->gpio_sda; + unsigned int sck = smi->gpio_sck; + + for (; len > 0; len--) { + rtl8366_smi_clk_delay(smi); + + /* prepare data */ + if ( data & ( 1 << (len - 1)) ) + gpio_set_value(sda, 1); + else + gpio_set_value(sda, 0); + rtl8366_smi_clk_delay(smi); + + /* clocking */ + gpio_set_value(sck, 1); + rtl8366_smi_clk_delay(smi); + gpio_set_value(sck, 0); + } +} + +static void rtl8366_smi_read_bits(struct rtl8366_smi *smi, u32 len, u32 *data) +{ + unsigned int sda = smi->gpio_sda; + unsigned int sck = smi->gpio_sck; + + gpio_direction_input(sda); + + for (*data = 0; len > 0; len--) { + u32 u; + + rtl8366_smi_clk_delay(smi); + + /* clocking */ + gpio_set_value(sck, 1); + rtl8366_smi_clk_delay(smi); + u = gpio_get_value(sda); + gpio_set_value(sck, 0); + + *data |= (u << (len - 1)); + } + + gpio_direction_output(sda, 0); +} + +static int rtl8366_smi_wait_for_ack(struct rtl8366_smi *smi) +{ + int retry_cnt; + + retry_cnt = 0; + do { + u32 ack; + + rtl8366_smi_read_bits(smi, 1, &ack); + if (ack == 0) + break; + + if (++retry_cnt > RTL8366_SMI_ACK_RETRY_COUNT) + return -EIO; + } while (1); + + return 0; +} + +static int rtl8366_smi_write_byte(struct rtl8366_smi *smi, u8 data) +{ + rtl8366_smi_write_bits(smi, data, 8); + return rtl8366_smi_wait_for_ack(smi); +} + +static int rtl8366_smi_read_byte0(struct rtl8366_smi *smi, u8 *data) +{ + u32 t; + + /* read data */ + rtl8366_smi_read_bits(smi, 8, &t); + *data = (t & 0xff); + + /* send an ACK */ + rtl8366_smi_write_bits(smi, 0x00, 1); + + return 0; +} + +static int rtl8366_smi_read_byte1(struct rtl8366_smi *smi, u8 *data) +{ + u32 t; + + /* read data */ + rtl8366_smi_read_bits(smi, 8, &t); + *data = (t & 0xff); + + /* send an ACK */ + rtl8366_smi_write_bits(smi, 0x01, 1); + + return 0; +} + +int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data) +{ + unsigned long flags; + u8 lo = 0; + u8 hi = 0; + int ret; + + spin_lock_irqsave(&smi->lock, flags); + + rtl8366_smi_start(smi); + + /* send READ command */ + ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x01); + if (ret) + goto out; + + /* set ADDR[7:0] */ + ret = rtl8366_smi_write_byte(smi, addr & 0xff); + if (ret) + goto out; + + /* set ADDR[15:8] */ + ret = rtl8366_smi_write_byte(smi, addr >> 8); + if (ret) + goto out; + + /* read DATA[7:0] */ + rtl8366_smi_read_byte0(smi, &lo); + /* read DATA[15:8] */ + rtl8366_smi_read_byte1(smi, &hi); + + *data = ((u32) lo) | (((u32) hi) << 8); + + ret = 0; + + out: + rtl8366_smi_stop(smi); + spin_unlock_irqrestore(&smi->lock, flags); + + return ret; +} +EXPORT_SYMBOL_GPL(rtl8366_smi_read_reg); + +int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&smi->lock, flags); + + rtl8366_smi_start(smi); + + /* send WRITE command */ + ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x00); + if (ret) + goto out; + + /* set ADDR[7:0] */ + ret = rtl8366_smi_write_byte(smi, addr & 0xff); + if (ret) + goto out; + + /* set ADDR[15:8] */ + ret = rtl8366_smi_write_byte(smi, addr >> 8); + if (ret) + goto out; + + /* write DATA[7:0] */ + ret = rtl8366_smi_write_byte(smi, data & 0xff); + if (ret) + goto out; + + /* write DATA[15:8] */ + ret = rtl8366_smi_write_byte(smi, data >> 8); + if (ret) + goto out; + + ret = 0; + + out: + rtl8366_smi_stop(smi); + spin_unlock_irqrestore(&smi->lock, flags); + + return ret; +} +EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg); + +int rtl8366_smi_init(struct rtl8366_smi *smi) +{ + int err; + + if (!smi->parent) + return -EINVAL; + + err = gpio_request(smi->gpio_sda, dev_name(smi->parent)); + if (err) { + dev_err(smi->parent, "gpio_request failed for %u, err=%d\n", + smi->gpio_sda, err); + goto err_out; + } + + err = gpio_request(smi->gpio_sck, dev_name(smi->parent)); + if (err) { + dev_err(smi->parent, "gpio_request failed for %u, err=%d\n", + smi->gpio_sck, err); + goto err_free_sda; + } + + spin_lock_init(&smi->lock); + + dev_info(smi->parent, "using GPIO pins %u (SDA) and %u (SCK)\n", + smi->gpio_sda, smi->gpio_sck); + + return 0; + + err_free_sda: + gpio_free(smi->gpio_sda); + err_out: + return err; +} +EXPORT_SYMBOL_GPL(rtl8366_smi_init); + +void rtl8366_smi_cleanup(struct rtl8366_smi *smi) +{ + gpio_free(smi->gpio_sck); + gpio_free(smi->gpio_sda); +} +EXPORT_SYMBOL_GPL(rtl8366_smi_cleanup); + +MODULE_DESCRIPTION("Realtek RTL8366 SMI interface driver"); +MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); +MODULE_LICENSE("GPL v2"); diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h new file mode 100644 index 000000000..e68fa9a5b --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h @@ -0,0 +1,26 @@ +/* + * Realtek RTL8366 SMI interface driver defines + * + * 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 + * by the Free Software Foundation. + */ + +#ifndef _RTL8366_SMI_H +#define _RTL8366_SMI_H + +struct rtl8366_smi { + struct device *parent; + unsigned int gpio_sda; + unsigned int gpio_sck; + spinlock_t lock; +}; + +int rtl8366_smi_init(struct rtl8366_smi *smi); +void rtl8366_smi_cleanup(struct rtl8366_smi *smi); +int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data); +int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data); + +#endif /* _RTL8366_SMI_H */ diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c new file mode 100644 index 000000000..833e455dd --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c @@ -0,0 +1,1707 @@ +/* + * Platform driver for the Realtek RTL8366S ethernet switch + * + * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com> + * + * 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 + * by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/skbuff.h> +#include <linux/switch.h> +#include <linux/phy.h> +#include <linux/rtl8366s.h> + +#include "rtl8366_smi.h" + +#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS +#include <linux/debugfs.h> +#endif + +#define RTL8366S_DRIVER_DESC "Realtek RTL8366S ethernet switch driver" +#define RTL8366S_DRIVER_VER "0.2.0" + +#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) + +/* 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 { + 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_RTL8366S_PHY_DEBUG_FS + struct dentry *debugfs_root; +#endif +}; + +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; +}; + +#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS +u16 g_dbg_reg; +#endif + +struct mib_counter { + unsigned offset; + unsigned length; + const char *name; +}; + +static struct mib_counter rtl8366s_mib_counters[RTL8366S_MIB_COUNT] = { + { 0, 4, "IfInOctets " }, + { 4, 4, "EtherStatsOctets " }, + { 8, 2, "EtherStatsUnderSizePkts " }, + { 10, 2, "EtherFregament " }, + { 12, 2, "EtherStatsPkts64Octets " }, + { 14, 2, "EtherStatsPkts65to127Octets " }, + { 16, 2, "EtherStatsPkts128to255Octets " }, + { 18, 2, "EtherStatsPkts256to511Octets " }, + { 20, 2, "EtherStatsPkts512to1023Octets " }, + { 22, 2, "EtherStatsPkts1024to1518Octets " }, + { 24, 2, "EtherOversizeStats " }, + { 26, 2, "EtherStatsJabbers " }, + { 28, 2, "IfInUcastPkts " }, + { 30, 2, "EtherStatsMulticastPkts " }, + { 32, 2, "EtherStatsBroadcastPkts " }, + { 34, 2, "EtherStatsDropEvents " }, + { 36, 2, "Dot3StatsFCSErrors " }, + { 38, 2, "Dot3StatsSymbolErrors " }, + { 40, 2, "Dot3InPauseFrames " }, + { 42, 2, "Dot3ControlInUnknownOpcodes " }, + { 44, 2, "IfOutOctets " }, + { 46, 2, "Dot3StatsSingleCollisionFrames " }, + { 48, 2, "Dot3StatMultipleCollisionFrames " }, + { 50, 2, "Dot3sDeferredTransmissions " }, + { 52, 2, "Dot3StatsLateCollisions " }, + { 54, 2, "EtherStatsCollisions " }, + { 56, 2, "Dot3StatsExcessiveCollisions " }, + { 58, 2, "Dot3OutPauseFrames " }, + { 60, 2, "Dot1dBasePortDelayExceededDiscards" }, + { 62, 2, "Dot1dTpPortInDiscards " }, + { 64, 2, "IfOutUcastPkts " }, + { 66, 2, "IfOutMulticastPkts " }, + { 68, 2, "IfOutBroadcastPkts " }, +}; + +static inline struct rtl8366s *sw_to_rtl8366s(struct switch_dev *sw) +{ + return container_of(sw, struct rtl8366s, dev); +} + +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; + u64 mibvalue; + + if (port > RTL8366_NUM_PORTS || counter >= RTL8366S_MIB_COUNT) + return -EINVAL; + + addr = RTL8366S_MIB_COUNTER_BASE + + RTL8366S_MIB_COUNTER_PORT_OFFSET * (port) + + rtl8366s_mib_counters[counter].offset; + + /* + * 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; + for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) { + err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data); + if (err) + return err; + + mibvalue = (mibvalue << 16) | (data & 0xFFFF); + } + + *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_RTL8366S_PHY_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, rtl8366s_mib_counters[i].name); + 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_RTL8366S_PHY_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, rtl8366s_mib_counters[i].name); + 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 rtl8366s_probe(struct platform_device *pdev) +{ + static int rtl8366_smi_version_printed; + struct rtl8366s_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 RTL8366S", + .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_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); +MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME); |