diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_link.h')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_link.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_link.h b/drivers/net/bnx2x/bnx2x_link.h new file mode 100644 index 000000000000..40c2981de8ed --- /dev/null +++ b/drivers/net/bnx2x/bnx2x_link.h @@ -0,0 +1,206 @@ +/* Copyright 2008-2009 Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2, available + * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a + * license other than the GPL, without Broadcom's express prior written + * consent. + * + * Written by Yaniv Rosner + * + */ + +#ifndef BNX2X_LINK_H +#define BNX2X_LINK_H + + + +/***********************************************************/ +/* Defines */ +/***********************************************************/ +#define DEFAULT_PHY_DEV_ADDR 3 + + + +#define BNX2X_FLOW_CTRL_AUTO PORT_FEATURE_FLOW_CONTROL_AUTO +#define BNX2X_FLOW_CTRL_TX PORT_FEATURE_FLOW_CONTROL_TX +#define BNX2X_FLOW_CTRL_RX PORT_FEATURE_FLOW_CONTROL_RX +#define BNX2X_FLOW_CTRL_BOTH PORT_FEATURE_FLOW_CONTROL_BOTH +#define BNX2X_FLOW_CTRL_NONE PORT_FEATURE_FLOW_CONTROL_NONE + +#define SPEED_AUTO_NEG 0 +#define SPEED_12000 12000 +#define SPEED_12500 12500 +#define SPEED_13000 13000 +#define SPEED_15000 15000 +#define SPEED_16000 16000 + +#define SFP_EEPROM_VENDOR_NAME_ADDR 0x14 +#define SFP_EEPROM_VENDOR_NAME_SIZE 16 +#define SFP_EEPROM_VENDOR_OUI_ADDR 0x25 +#define SFP_EEPROM_VENDOR_OUI_SIZE 3 +#define SFP_EEPROM_PART_NO_ADDR 0x28 +#define SFP_EEPROM_PART_NO_SIZE 16 +#define PWR_FLT_ERR_MSG_LEN 250 +/***********************************************************/ +/* Structs */ +/***********************************************************/ +/* Inputs parameters to the CLC */ +struct link_params { + + u8 port; + + /* Default / User Configuration */ + u8 loopback_mode; +#define LOOPBACK_NONE 0 +#define LOOPBACK_EMAC 1 +#define LOOPBACK_BMAC 2 +#define LOOPBACK_XGXS_10 3 +#define LOOPBACK_EXT_PHY 4 +#define LOOPBACK_EXT 5 + + u16 req_duplex; + u16 req_flow_ctrl; + u16 req_fc_auto_adv; /* Should be set to TX / BOTH when + req_flow_ctrl is set to AUTO */ + u16 req_line_speed; /* Also determine AutoNeg */ + + /* Device parameters */ + u8 mac_addr[6]; + + /* shmem parameters */ + u32 shmem_base; + u32 speed_cap_mask; + u32 switch_cfg; +#define SWITCH_CFG_1G PORT_FEATURE_CON_SWITCH_1G_SWITCH +#define SWITCH_CFG_10G PORT_FEATURE_CON_SWITCH_10G_SWITCH +#define SWITCH_CFG_AUTO_DETECT PORT_FEATURE_CON_SWITCH_AUTO_DETECT + + u16 hw_led_mode; /* part of the hw_config read from the shmem */ + + /* phy_addr populated by the phy_init function */ + u8 phy_addr; + /*u8 reserved1;*/ + + u32 lane_config; + u32 ext_phy_config; +#define XGXS_EXT_PHY_TYPE(ext_phy_config) \ + ((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK) +#define XGXS_EXT_PHY_ADDR(ext_phy_config) \ + (((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> \ + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT) +#define SERDES_EXT_PHY_TYPE(ext_phy_config) \ + ((ext_phy_config) & PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK) + + /* Phy register parameter */ + u32 chip_id; + + u16 xgxs_config_rx[4]; /* preemphasis values for the rx side */ + u16 xgxs_config_tx[4]; /* preemphasis values for the tx side */ + + u32 feature_config_flags; +#define FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED (1<<0) +#define FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY (1<<2) +#define FEATURE_CONFIG_BCM8727_NOC (1<<3) + + /* Device pointer passed to all callback functions */ + struct bnx2x *bp; +}; + +/* Output parameters */ +struct link_vars { + u8 phy_flags; + + u8 mac_type; +#define MAC_TYPE_NONE 0 +#define MAC_TYPE_EMAC 1 +#define MAC_TYPE_BMAC 2 + + u8 phy_link_up; /* internal phy link indication */ + u8 link_up; + + u16 line_speed; + u16 duplex; + + u16 flow_ctrl; + u16 ieee_fc; + + u32 autoneg; +#define AUTO_NEG_DISABLED 0x0 +#define AUTO_NEG_ENABLED 0x1 +#define AUTO_NEG_COMPLETE 0x2 +#define AUTO_NEG_PARALLEL_DETECTION_USED 0x3 + + /* The same definitions as the shmem parameter */ + u32 link_status; +}; + +/***********************************************************/ +/* Functions */ +/***********************************************************/ + +/* Initialize the phy */ +u8 bnx2x_phy_init(struct link_params *input, struct link_vars *output); + +/* Reset the link. Should be called when driver or interface goes down + Before calling phy firmware upgrade, the reset_ext_phy should be set + to 0 */ +u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, + u8 reset_ext_phy); + +/* bnx2x_link_update should be called upon link interrupt */ +u8 bnx2x_link_update(struct link_params *input, struct link_vars *output); + +/* use the following cl45 functions to read/write from external_phy + In order to use it to read/write internal phy registers, use + DEFAULT_PHY_DEV_ADDR as devad, and (_bank + (_addr & 0xf)) as + Use ext_phy_type of 0 in case of cl22 over cl45 + the register */ +u8 bnx2x_cl45_read(struct bnx2x *bp, u8 port, u32 ext_phy_type, + u8 phy_addr, u8 devad, u16 reg, u16 *ret_val); + +u8 bnx2x_cl45_write(struct bnx2x *bp, u8 port, u32 ext_phy_type, + u8 phy_addr, u8 devad, u16 reg, u16 val); + +/* Reads the link_status from the shmem, + and update the link vars accordingly */ +void bnx2x_link_status_update(struct link_params *input, + struct link_vars *output); +/* returns string representing the fw_version of the external phy */ +u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, + u8 *version, u16 len); + +/* Set/Unset the led + Basically, the CLC takes care of the led for the link, but in case one needs + to set/unset the led unnaturally, set the "mode" to LED_MODE_OPER to + blink the led, and LED_MODE_OFF to set the led off.*/ +u8 bnx2x_set_led(struct link_params *params, u8 mode, u32 speed); +#define LED_MODE_OFF 0 +#define LED_MODE_OPER 2 + +u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port, u32 led_idx, u32 value); + +/* bnx2x_handle_module_detect_int should be called upon module detection + interrupt */ +void bnx2x_handle_module_detect_int(struct link_params *params); + +/* Get the actual link status. In case it returns 0, link is up, + otherwise link is down*/ +u8 bnx2x_test_link(struct link_params *input, struct link_vars *vars); + +/* One-time initialization for external phy after power up */ +u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base); + +/* Reset the external PHY using GPIO */ +void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port); + +void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, u8 port, u8 phy_addr); + +u8 bnx2x_read_sfp_module_eeprom(struct link_params *params, u16 addr, + u8 byte_cnt, u8 *o_buf); + +#endif /* BNX2X_LINK_H */ |