| /**************************************************************************** |
| * Driver for Solarflare Solarstorm network controllers and boards |
| * Copyright 2005-2006 Fen Systems Ltd. |
| * Copyright 2006-2008 Solarflare Communications Inc. |
| * |
| * 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, incorporated herein by reference. |
| */ |
| |
| #ifndef EFX_FALCON_H |
| #define EFX_FALCON_H |
| |
| #include <linux/i2c-algo-bit.h> |
| #include "net_driver.h" |
| #include "efx.h" |
| |
| /* |
| * Falcon hardware control |
| */ |
| |
| enum falcon_revision { |
| FALCON_REV_A0 = 0, |
| FALCON_REV_A1 = 1, |
| FALCON_REV_B0 = 2, |
| }; |
| |
| static inline int falcon_rev(struct efx_nic *efx) |
| { |
| return efx->pci_dev->revision; |
| } |
| |
| /** |
| * struct falcon_board_type - board operations and type information |
| * @id: Board type id, as found in NVRAM |
| * @ref_model: Model number of Solarflare reference design |
| * @gen_type: Generic board type description |
| * @init: Allocate resources and initialise peripheral hardware |
| * @init_phy: Do board-specific PHY initialisation |
| * @fini: Shut down hardware and free resources |
| * @set_id_led: Set state of identifying LED or revert to automatic function |
| * @monitor: Board-specific health check function |
| */ |
| struct falcon_board_type { |
| u8 id; |
| const char *ref_model; |
| const char *gen_type; |
| int (*init) (struct efx_nic *nic); |
| void (*init_phy) (struct efx_nic *efx); |
| void (*fini) (struct efx_nic *nic); |
| void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode); |
| int (*monitor) (struct efx_nic *nic); |
| }; |
| |
| /** |
| * struct falcon_board - board information |
| * @type: Type of board |
| * @major: Major rev. ('A', 'B' ...) |
| * @minor: Minor rev. (0, 1, ...) |
| * @i2c_adap: I2C adapter for on-board peripherals |
| * @i2c_data: Data for bit-banging algorithm |
| * @hwmon_client: I2C client for hardware monitor |
| * @ioexp_client: I2C client for power/port control |
| */ |
| struct falcon_board { |
| const struct falcon_board_type *type; |
| int major; |
| int minor; |
| struct i2c_adapter i2c_adap; |
| struct i2c_algo_bit_data i2c_data; |
| struct i2c_client *hwmon_client, *ioexp_client; |
| }; |
| |
| /** |
| * struct falcon_nic_data - Falcon NIC state |
| * @pci_dev2: Secondary function of Falcon A |
| * @board: Board state and functions |
| */ |
| struct falcon_nic_data { |
| struct pci_dev *pci_dev2; |
| struct falcon_board board; |
| }; |
| |
| static inline struct falcon_board *falcon_board(struct efx_nic *efx) |
| { |
| struct falcon_nic_data *data = efx->nic_data; |
| return &data->board; |
| } |
| |
| extern struct efx_nic_type falcon_a_nic_type; |
| extern struct efx_nic_type falcon_b_nic_type; |
| |
| /************************************************************************** |
| * |
| * Externs |
| * |
| ************************************************************************** |
| */ |
| |
| extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info); |
| |
| /* TX data path */ |
| extern int falcon_probe_tx(struct efx_tx_queue *tx_queue); |
| extern void falcon_init_tx(struct efx_tx_queue *tx_queue); |
| extern void falcon_fini_tx(struct efx_tx_queue *tx_queue); |
| extern void falcon_remove_tx(struct efx_tx_queue *tx_queue); |
| extern void falcon_push_buffers(struct efx_tx_queue *tx_queue); |
| |
| /* RX data path */ |
| extern int falcon_probe_rx(struct efx_rx_queue *rx_queue); |
| extern void falcon_init_rx(struct efx_rx_queue *rx_queue); |
| extern void falcon_fini_rx(struct efx_rx_queue *rx_queue); |
| extern void falcon_remove_rx(struct efx_rx_queue *rx_queue); |
| extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue); |
| |
| /* Event data path */ |
| extern int falcon_probe_eventq(struct efx_channel *channel); |
| extern void falcon_init_eventq(struct efx_channel *channel); |
| extern void falcon_fini_eventq(struct efx_channel *channel); |
| extern void falcon_remove_eventq(struct efx_channel *channel); |
| extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota); |
| extern void falcon_eventq_read_ack(struct efx_channel *channel); |
| |
| /* Ports */ |
| extern int falcon_probe_port(struct efx_nic *efx); |
| extern void falcon_remove_port(struct efx_nic *efx); |
| |
| /* MAC/PHY */ |
| extern int falcon_switch_mac(struct efx_nic *efx); |
| extern bool falcon_xaui_link_ok(struct efx_nic *efx); |
| extern int falcon_dma_stats(struct efx_nic *efx, |
| unsigned int done_offset); |
| extern void falcon_drain_tx_fifo(struct efx_nic *efx); |
| extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx); |
| extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx); |
| |
| /* Interrupts and test events */ |
| extern int falcon_init_interrupt(struct efx_nic *efx); |
| extern void falcon_enable_interrupts(struct efx_nic *efx); |
| extern void falcon_generate_test_event(struct efx_channel *channel, |
| unsigned int magic); |
| extern void falcon_sim_phy_event(struct efx_nic *efx); |
| extern void falcon_generate_interrupt(struct efx_nic *efx); |
| extern void falcon_set_int_moderation(struct efx_channel *channel); |
| extern void falcon_disable_interrupts(struct efx_nic *efx); |
| extern void falcon_fini_interrupt(struct efx_nic *efx); |
| |
| #define FALCON_IRQ_MOD_RESOLUTION 5 |
| |
| /* Global Resources */ |
| extern int falcon_probe_nic(struct efx_nic *efx); |
| extern int falcon_init_nic(struct efx_nic *efx); |
| extern int falcon_flush_queues(struct efx_nic *efx); |
| extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method); |
| extern void falcon_remove_nic(struct efx_nic *efx); |
| extern void falcon_update_nic_stats(struct efx_nic *efx); |
| extern void falcon_set_multicast_hash(struct efx_nic *efx); |
| extern int falcon_reset_xaui(struct efx_nic *efx); |
| |
| /* Tests */ |
| struct falcon_nvconfig; |
| extern int falcon_read_nvram(struct efx_nic *efx, |
| struct falcon_nvconfig *nvconfig); |
| extern int falcon_test_registers(struct efx_nic *efx); |
| |
| /************************************************************************** |
| * |
| * Falcon MAC stats |
| * |
| ************************************************************************** |
| */ |
| |
| #define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset) |
| #define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH) |
| |
| /* Retrieve statistic from statistics block */ |
| #define FALCON_STAT(efx, falcon_stat, efx_stat) do { \ |
| if (FALCON_STAT_WIDTH(falcon_stat) == 16) \ |
| (efx)->mac_stats.efx_stat += le16_to_cpu( \ |
| *((__force __le16 *) \ |
| (efx->stats_buffer.addr + \ |
| FALCON_STAT_OFFSET(falcon_stat)))); \ |
| else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \ |
| (efx)->mac_stats.efx_stat += le32_to_cpu( \ |
| *((__force __le32 *) \ |
| (efx->stats_buffer.addr + \ |
| FALCON_STAT_OFFSET(falcon_stat)))); \ |
| else \ |
| (efx)->mac_stats.efx_stat += le64_to_cpu( \ |
| *((__force __le64 *) \ |
| (efx->stats_buffer.addr + \ |
| FALCON_STAT_OFFSET(falcon_stat)))); \ |
| } while (0) |
| |
| #define FALCON_MAC_STATS_SIZE 0x100 |
| |
| #define MAC_DATA_LBN 0 |
| #define MAC_DATA_WIDTH 32 |
| |
| extern void falcon_generate_event(struct efx_channel *channel, |
| efx_qword_t *event); |
| |
| #endif /* EFX_FALCON_H */ |