| /* |
| * B53 common definitions |
| * |
| * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef __B53_PRIV_H |
| #define __B53_PRIV_H |
| |
| #include <linux/kernel.h> |
| #include <linux/mutex.h> |
| #include <linux/phy.h> |
| #include <net/dsa.h> |
| |
| #include "b53_regs.h" |
| |
| struct b53_device; |
| |
| struct b53_io_ops { |
| int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value); |
| int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value); |
| int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value); |
| int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value); |
| int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value); |
| int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value); |
| int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value); |
| int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value); |
| int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value); |
| int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value); |
| int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value); |
| int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value); |
| }; |
| |
| enum { |
| BCM5325_DEVICE_ID = 0x25, |
| BCM5365_DEVICE_ID = 0x65, |
| BCM5395_DEVICE_ID = 0x95, |
| BCM5397_DEVICE_ID = 0x97, |
| BCM5398_DEVICE_ID = 0x98, |
| BCM53115_DEVICE_ID = 0x53115, |
| BCM53125_DEVICE_ID = 0x53125, |
| BCM53128_DEVICE_ID = 0x53128, |
| BCM63XX_DEVICE_ID = 0x6300, |
| BCM53010_DEVICE_ID = 0x53010, |
| BCM53011_DEVICE_ID = 0x53011, |
| BCM53012_DEVICE_ID = 0x53012, |
| BCM53018_DEVICE_ID = 0x53018, |
| BCM53019_DEVICE_ID = 0x53019, |
| }; |
| |
| #define B53_N_PORTS 9 |
| #define B53_N_PORTS_25 6 |
| |
| struct b53_port { |
| }; |
| |
| struct b53_device { |
| struct dsa_switch *ds; |
| struct b53_platform_data *pdata; |
| const char *name; |
| |
| struct mutex reg_mutex; |
| struct mutex stats_mutex; |
| const struct b53_io_ops *ops; |
| |
| /* chip specific data */ |
| u32 chip_id; |
| u8 core_rev; |
| u8 vta_regs[3]; |
| u8 duplex_reg; |
| u8 jumbo_pm_reg; |
| u8 jumbo_size_reg; |
| int reset_gpio; |
| u8 num_arl_entries; |
| |
| /* used ports mask */ |
| u16 enabled_ports; |
| unsigned int cpu_port; |
| |
| /* connect specific data */ |
| u8 current_page; |
| struct device *dev; |
| |
| /* Master MDIO bus we got probed from */ |
| struct mii_bus *bus; |
| |
| /* Slave MDIO bus we created */ |
| struct mii_bus *slave_bus; |
| void *priv; |
| |
| /* run time configuration */ |
| unsigned enable_jumbo:1; |
| unsigned allow_vid_4095:1; |
| unsigned int num_vlans; |
| unsigned int num_ports; |
| struct b53_port *ports; |
| }; |
| |
| #define b53_for_each_port(dev, i) \ |
| for (i = 0; i < B53_N_PORTS; i++) \ |
| if (dev->enabled_ports & BIT(i)) |
| |
| |
| static inline int is5325(struct b53_device *dev) |
| { |
| return dev->chip_id == BCM5325_DEVICE_ID; |
| } |
| |
| static inline int is5365(struct b53_device *dev) |
| { |
| #ifdef CONFIG_BCM47XX |
| return dev->chip_id == BCM5365_DEVICE_ID; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static inline int is5397_98(struct b53_device *dev) |
| { |
| return dev->chip_id == BCM5397_DEVICE_ID || |
| dev->chip_id == BCM5398_DEVICE_ID; |
| } |
| |
| static inline int is539x(struct b53_device *dev) |
| { |
| return dev->chip_id == BCM5395_DEVICE_ID || |
| dev->chip_id == BCM5397_DEVICE_ID || |
| dev->chip_id == BCM5398_DEVICE_ID; |
| } |
| |
| static inline int is531x5(struct b53_device *dev) |
| { |
| return dev->chip_id == BCM53115_DEVICE_ID || |
| dev->chip_id == BCM53125_DEVICE_ID || |
| dev->chip_id == BCM53128_DEVICE_ID; |
| } |
| |
| static inline int is63xx(struct b53_device *dev) |
| { |
| #ifdef CONFIG_BCM63XX |
| return dev->chip_id == BCM63XX_DEVICE_ID; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static inline int is5301x(struct b53_device *dev) |
| { |
| return dev->chip_id == BCM53010_DEVICE_ID || |
| dev->chip_id == BCM53011_DEVICE_ID || |
| dev->chip_id == BCM53012_DEVICE_ID || |
| dev->chip_id == BCM53018_DEVICE_ID || |
| dev->chip_id == BCM53019_DEVICE_ID; |
| } |
| |
| #define B53_CPU_PORT_25 5 |
| #define B53_CPU_PORT 8 |
| |
| static inline int is_cpu_port(struct b53_device *dev, int port) |
| { |
| return dev->cpu_port; |
| } |
| |
| struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops, |
| void *priv); |
| |
| int b53_switch_detect(struct b53_device *dev); |
| |
| int b53_switch_register(struct b53_device *dev); |
| |
| static inline void b53_switch_remove(struct b53_device *dev) |
| { |
| dsa_unregister_switch(dev->ds); |
| } |
| |
| static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->read8(dev, page, reg, val); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->read16(dev, page, reg, val); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->read32(dev, page, reg, val); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->read48(dev, page, reg, val); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->read64(dev, page, reg, val); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->write8(dev, page, reg, value); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg, |
| u16 value) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->write16(dev, page, reg, value); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg, |
| u32 value) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->write32(dev, page, reg, value); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg, |
| u64 value) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->write48(dev, page, reg, value); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg, |
| u64 value) |
| { |
| int ret; |
| |
| mutex_lock(&dev->reg_mutex); |
| ret = dev->ops->write64(dev, page, reg, value); |
| mutex_unlock(&dev->reg_mutex); |
| |
| return ret; |
| } |
| |
| struct b53_arl_entry { |
| u8 port; |
| u8 mac[ETH_ALEN]; |
| u16 vid; |
| u8 is_valid:1; |
| u8 is_age:1; |
| u8 is_static:1; |
| }; |
| |
| static inline void b53_mac_from_u64(u64 src, u8 *dst) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < ETH_ALEN; i++) |
| dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff; |
| } |
| |
| static inline u64 b53_mac_to_u64(const u8 *src) |
| { |
| unsigned int i; |
| u64 dst = 0; |
| |
| for (i = 0; i < ETH_ALEN; i++) |
| dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i); |
| |
| return dst; |
| } |
| |
| static inline void b53_arl_to_entry(struct b53_arl_entry *ent, |
| u64 mac_vid, u32 fwd_entry) |
| { |
| memset(ent, 0, sizeof(*ent)); |
| ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK; |
| ent->is_valid = !!(fwd_entry & ARLTBL_VALID); |
| ent->is_age = !!(fwd_entry & ARLTBL_AGE); |
| ent->is_static = !!(fwd_entry & ARLTBL_STATIC); |
| b53_mac_from_u64(mac_vid, ent->mac); |
| ent->vid = mac_vid >> ARLTBL_VID_S; |
| } |
| |
| static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry, |
| const struct b53_arl_entry *ent) |
| { |
| *mac_vid = b53_mac_to_u64(ent->mac); |
| *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S; |
| *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK; |
| if (ent->is_valid) |
| *fwd_entry |= ARLTBL_VALID; |
| if (ent->is_static) |
| *fwd_entry |= ARLTBL_STATIC; |
| if (ent->is_age) |
| *fwd_entry |= ARLTBL_AGE; |
| } |
| |
| #ifdef CONFIG_BCM47XX |
| |
| #include <linux/version.h> |
| #include <linux/bcm47xx_nvram.h> |
| #include <bcm47xx_board.h> |
| static inline int b53_switch_get_reset_gpio(struct b53_device *dev) |
| { |
| enum bcm47xx_board board = bcm47xx_board_get(); |
| |
| switch (board) { |
| case BCM47XX_BOARD_LINKSYS_WRT300NV11: |
| case BCM47XX_BOARD_LINKSYS_WRT310NV1: |
| return 8; |
| default: |
| return bcm47xx_nvram_gpio_pin("robo_reset"); |
| } |
| } |
| #else |
| static inline int b53_switch_get_reset_gpio(struct b53_device *dev) |
| { |
| return -ENOENT; |
| } |
| #endif |
| #endif |