1 /****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2008 Solarflare Communications Inc.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
14 #include <linux/i2c-algo-bit.h>
15 #include "net_driver.h"
19 * Falcon hardware control
22 enum falcon_revision {
28 static inline int falcon_rev(struct efx_nic *efx)
30 return efx->pci_dev->revision;
34 * struct falcon_board_type - board operations and type information
35 * @id: Board type id, as found in NVRAM
36 * @ref_model: Model number of Solarflare reference design
37 * @gen_type: Generic board type description
38 * @init: Allocate resources and initialise peripheral hardware
39 * @init_phy: Do board-specific PHY initialisation
40 * @fini: Shut down hardware and free resources
41 * @set_id_led: Set state of identifying LED or revert to automatic function
42 * @monitor: Board-specific health check function
44 struct falcon_board_type {
46 const char *ref_model;
48 int (*init) (struct efx_nic *nic);
49 void (*init_phy) (struct efx_nic *efx);
50 void (*fini) (struct efx_nic *nic);
51 void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
52 int (*monitor) (struct efx_nic *nic);
56 * struct falcon_board - board information
57 * @type: Type of board
58 * @major: Major rev. ('A', 'B' ...)
59 * @minor: Minor rev. (0, 1, ...)
60 * @i2c_adap: I2C adapter for on-board peripherals
61 * @i2c_data: Data for bit-banging algorithm
62 * @hwmon_client: I2C client for hardware monitor
63 * @ioexp_client: I2C client for power/port control
66 const struct falcon_board_type *type;
69 struct i2c_adapter i2c_adap;
70 struct i2c_algo_bit_data i2c_data;
71 struct i2c_client *hwmon_client, *ioexp_client;
75 * struct falcon_nic_data - Falcon NIC state
76 * @pci_dev2: Secondary function of Falcon A
77 * @board: Board state and functions
79 struct falcon_nic_data {
80 struct pci_dev *pci_dev2;
81 struct falcon_board board;
84 static inline struct falcon_board *falcon_board(struct efx_nic *efx)
86 struct falcon_nic_data *data = efx->nic_data;
90 extern struct efx_nic_type falcon_a_nic_type;
91 extern struct efx_nic_type falcon_b_nic_type;
93 /**************************************************************************
97 **************************************************************************
100 extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
103 extern int falcon_probe_tx(struct efx_tx_queue *tx_queue);
104 extern void falcon_init_tx(struct efx_tx_queue *tx_queue);
105 extern void falcon_fini_tx(struct efx_tx_queue *tx_queue);
106 extern void falcon_remove_tx(struct efx_tx_queue *tx_queue);
107 extern void falcon_push_buffers(struct efx_tx_queue *tx_queue);
110 extern int falcon_probe_rx(struct efx_rx_queue *rx_queue);
111 extern void falcon_init_rx(struct efx_rx_queue *rx_queue);
112 extern void falcon_fini_rx(struct efx_rx_queue *rx_queue);
113 extern void falcon_remove_rx(struct efx_rx_queue *rx_queue);
114 extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue);
116 /* Event data path */
117 extern int falcon_probe_eventq(struct efx_channel *channel);
118 extern void falcon_init_eventq(struct efx_channel *channel);
119 extern void falcon_fini_eventq(struct efx_channel *channel);
120 extern void falcon_remove_eventq(struct efx_channel *channel);
121 extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
122 extern void falcon_eventq_read_ack(struct efx_channel *channel);
125 extern int falcon_probe_port(struct efx_nic *efx);
126 extern void falcon_remove_port(struct efx_nic *efx);
129 extern int falcon_switch_mac(struct efx_nic *efx);
130 extern bool falcon_xaui_link_ok(struct efx_nic *efx);
131 extern int falcon_dma_stats(struct efx_nic *efx,
132 unsigned int done_offset);
133 extern void falcon_drain_tx_fifo(struct efx_nic *efx);
134 extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
135 extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
137 /* Interrupts and test events */
138 extern int falcon_init_interrupt(struct efx_nic *efx);
139 extern void falcon_enable_interrupts(struct efx_nic *efx);
140 extern void falcon_generate_test_event(struct efx_channel *channel,
142 extern void falcon_sim_phy_event(struct efx_nic *efx);
143 extern void falcon_generate_interrupt(struct efx_nic *efx);
144 extern void falcon_set_int_moderation(struct efx_channel *channel);
145 extern void falcon_disable_interrupts(struct efx_nic *efx);
146 extern void falcon_fini_interrupt(struct efx_nic *efx);
148 #define FALCON_IRQ_MOD_RESOLUTION 5
150 /* Global Resources */
151 extern int falcon_probe_nic(struct efx_nic *efx);
152 extern int falcon_init_nic(struct efx_nic *efx);
153 extern int falcon_flush_queues(struct efx_nic *efx);
154 extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
155 extern void falcon_remove_nic(struct efx_nic *efx);
156 extern void falcon_update_nic_stats(struct efx_nic *efx);
157 extern void falcon_set_multicast_hash(struct efx_nic *efx);
158 extern int falcon_reset_xaui(struct efx_nic *efx);
161 struct falcon_nvconfig;
162 extern int falcon_read_nvram(struct efx_nic *efx,
163 struct falcon_nvconfig *nvconfig);
164 extern int falcon_test_registers(struct efx_nic *efx);
166 /**************************************************************************
170 **************************************************************************
173 #define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
174 #define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
176 /* Retrieve statistic from statistics block */
177 #define FALCON_STAT(efx, falcon_stat, efx_stat) do { \
178 if (FALCON_STAT_WIDTH(falcon_stat) == 16) \
179 (efx)->mac_stats.efx_stat += le16_to_cpu( \
180 *((__force __le16 *) \
181 (efx->stats_buffer.addr + \
182 FALCON_STAT_OFFSET(falcon_stat)))); \
183 else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \
184 (efx)->mac_stats.efx_stat += le32_to_cpu( \
185 *((__force __le32 *) \
186 (efx->stats_buffer.addr + \
187 FALCON_STAT_OFFSET(falcon_stat)))); \
189 (efx)->mac_stats.efx_stat += le64_to_cpu( \
190 *((__force __le64 *) \
191 (efx->stats_buffer.addr + \
192 FALCON_STAT_OFFSET(falcon_stat)))); \
195 #define FALCON_MAC_STATS_SIZE 0x100
197 #define MAC_DATA_LBN 0
198 #define MAC_DATA_WIDTH 32
200 extern void falcon_generate_event(struct efx_channel *channel,
203 #endif /* EFX_FALCON_H */