| /* Copyright 2008-2010 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 |
| |
| #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) |
| |
| /* Single Media Direct board is the plain 577xx board with CX4/RJ45 jacks */ |
| #define SINGLE_MEDIA_DIRECT(params) (params->num_phys == 1) |
| /* Single Media board contains single external phy */ |
| #define SINGLE_MEDIA(params) (params->num_phys == 2) |
| /* Dual Media board contains two external phy with different media */ |
| #define DUAL_MEDIA(params) (params->num_phys == 3) |
| #define FW_PARAM_MDIO_CTRL_OFFSET 16 |
| #define FW_PARAM_SET(phy_addr, phy_type, mdio_access) \ |
| (phy_addr | phy_type | mdio_access << FW_PARAM_MDIO_CTRL_OFFSET) |
| /***********************************************************/ |
| /* Structs */ |
| /***********************************************************/ |
| #define INT_PHY 0 |
| #define EXT_PHY1 1 |
| #define EXT_PHY2 2 |
| #define MAX_PHYS 3 |
| |
| /* Same configuration is shared between the XGXS and the first external phy */ |
| #define LINK_CONFIG_SIZE (MAX_PHYS - 1) |
| #define LINK_CONFIG_IDX(_phy_idx) ((_phy_idx == INT_PHY) ? \ |
| 0 : (_phy_idx - 1)) |
| /***********************************************************/ |
| /* bnx2x_phy struct */ |
| /* Defines the required arguments and function per phy */ |
| /***********************************************************/ |
| struct link_vars; |
| struct link_params; |
| struct bnx2x_phy; |
| |
| typedef u8 (*config_init_t)(struct bnx2x_phy *phy, struct link_params *params, |
| struct link_vars *vars); |
| typedef u8 (*read_status_t)(struct bnx2x_phy *phy, struct link_params *params, |
| struct link_vars *vars); |
| typedef void (*link_reset_t)(struct bnx2x_phy *phy, |
| struct link_params *params); |
| typedef void (*config_loopback_t)(struct bnx2x_phy *phy, |
| struct link_params *params); |
| typedef u8 (*format_fw_ver_t)(u32 raw, u8 *str, u16 *len); |
| typedef void (*hw_reset_t)(struct bnx2x_phy *phy, struct link_params *params); |
| typedef void (*set_link_led_t)(struct bnx2x_phy *phy, |
| struct link_params *params, u8 mode); |
| typedef void (*phy_specific_func_t)(struct bnx2x_phy *phy, |
| struct link_params *params, u32 action); |
| |
| struct bnx2x_phy { |
| u32 type; |
| |
| /* Loaded during init */ |
| u8 addr; |
| |
| u8 flags; |
| /* Require HW lock */ |
| #define FLAGS_HW_LOCK_REQUIRED (1<<0) |
| /* No Over-Current detection */ |
| #define FLAGS_NOC (1<<1) |
| /* Fan failure detection required */ |
| #define FLAGS_FAN_FAILURE_DET_REQ (1<<2) |
| /* Initialize first the XGXS and only then the phy itself */ |
| #define FLAGS_INIT_XGXS_FIRST (1<<3) |
| #define FLAGS_REARM_LATCH_SIGNAL (1<<6) |
| #define FLAGS_SFP_NOT_APPROVED (1<<7) |
| |
| u8 def_md_devad; |
| u8 reserved; |
| /* preemphasis values for the rx side */ |
| u16 rx_preemphasis[4]; |
| |
| /* preemphasis values for the tx side */ |
| u16 tx_preemphasis[4]; |
| |
| /* EMAC address for access MDIO */ |
| u32 mdio_ctrl; |
| |
| u32 supported; |
| |
| u32 media_type; |
| #define ETH_PHY_UNSPECIFIED 0x0 |
| #define ETH_PHY_SFP_FIBER 0x1 |
| #define ETH_PHY_XFP_FIBER 0x2 |
| #define ETH_PHY_DA_TWINAX 0x3 |
| #define ETH_PHY_BASE_T 0x4 |
| #define ETH_PHY_NOT_PRESENT 0xff |
| |
| /* The address in which version is located*/ |
| u32 ver_addr; |
| |
| u16 req_flow_ctrl; |
| |
| u16 req_line_speed; |
| |
| u32 speed_cap_mask; |
| |
| u16 req_duplex; |
| u16 rsrv; |
| /* Called per phy/port init, and it configures LASI, speed, autoneg, |
| duplex, flow control negotiation, etc. */ |
| config_init_t config_init; |
| |
| /* Called due to interrupt. It determines the link, speed */ |
| read_status_t read_status; |
| |
| /* Called when driver is unloading. Should reset the phy */ |
| link_reset_t link_reset; |
| |
| /* Set the loopback configuration for the phy */ |
| config_loopback_t config_loopback; |
| |
| /* Format the given raw number into str up to len */ |
| format_fw_ver_t format_fw_ver; |
| |
| /* Reset the phy (both ports) */ |
| hw_reset_t hw_reset; |
| |
| /* Set link led mode (on/off/oper)*/ |
| set_link_led_t set_link_led; |
| |
| /* PHY Specific tasks */ |
| phy_specific_func_t phy_specific_func; |
| #define DISABLE_TX 1 |
| #define ENABLE_TX 2 |
| }; |
| |
| /* 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 3 |
| #define LOOPBACK_EXT_PHY 4 |
| #define LOOPBACK_EXT 5 |
| |
| /* Device parameters */ |
| u8 mac_addr[6]; |
| |
| u16 req_duplex[LINK_CONFIG_SIZE]; |
| u16 req_flow_ctrl[LINK_CONFIG_SIZE]; |
| |
| u16 req_line_speed[LINK_CONFIG_SIZE]; /* Also determine AutoNeg */ |
| |
| /* shmem parameters */ |
| u32 shmem_base; |
| u32 shmem2_base; |
| u32 speed_cap_mask[LINK_CONFIG_SIZE]; |
| 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 |
| |
| u32 lane_config; |
| |
| /* Phy register parameter */ |
| u32 chip_id; |
| |
| 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_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY (1<<3) |
| /* Will be populated during common init */ |
| struct bnx2x_phy phy[MAX_PHYS]; |
| |
| /* Will be populated during common init */ |
| u8 num_phys; |
| |
| u8 rsrv; |
| u16 hw_led_mode; /* part of the hw_config read from the shmem */ |
| u32 multi_phy_config; |
| |
| /* Device pointer passed to all callback functions */ |
| struct bnx2x *bp; |
| u16 req_fc_auto_adv; /* Should be set to TX / BOTH when |
| req_flow_ctrl is set to AUTO */ |
| }; |
| |
| /* 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; |
| |
| /* The same definitions as the shmem parameter */ |
| u32 link_status; |
| }; |
| |
| /***********************************************************/ |
| /* Functions */ |
| /***********************************************************/ |
| 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 phy 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 |
| the register */ |
| u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr, |
| u8 devad, u16 reg, u16 *ret_val); |
| |
| u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr, |
| u8 devad, u16 reg, u16 val); |
| |
| u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, |
| u8 devad, u16 reg, u16 *ret_val); |
| |
| u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, |
| 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, struct link_vars *vars, |
| u8 mode, u32 speed); |
| #define LED_MODE_OFF 0 |
| #define LED_MODE_ON 1 |
| #define LED_MODE_OPER 2 |
| #define LED_MODE_FRONT_PANEL_OFF 3 |
| |
| 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, |
| u8 is_serdes); |
| |
| /* One-time initialization for external phy after power up */ |
| u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base); |
| |
| /* Reset the external PHY using GPIO */ |
| void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port); |
| |
| /* Reset the external of SFX7101 */ |
| void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy); |
| |
| u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, |
| struct link_params *params, u16 addr, |
| u8 byte_cnt, u8 *o_buf); |
| |
| void bnx2x_hw_reset_phy(struct link_params *params); |
| |
| /* Checks if HW lock is required for this phy/board type */ |
| u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, |
| u32 shmem2_base); |
| |
| /* Returns the aggregative supported attributes of the phys on board */ |
| u32 bnx2x_supported_attr(struct link_params *params, u8 phy_idx); |
| |
| /* Check swap bit and adjust PHY order */ |
| u32 bnx2x_phy_selection(struct link_params *params); |
| |
| /* Probe the phys on board, and populate them in "params" */ |
| u8 bnx2x_phy_probe(struct link_params *params); |
| /* Checks if fan failure detection is required on one of the phys on board */ |
| u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, u32 shmem_base, |
| u32 shmem2_base, u8 port); |
| |
| #endif /* BNX2X_LINK_H */ |