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Merge branch 'master' into next
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / sfc / nic.h
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8ceee660
BH		 1/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
0a6f40c6 4 * Copyright 2006-2011 Solarflare Communications Inc.
8ceee660
BH		 5 *
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.
9 */
10
744093c9
BH		 11#ifndef EFX_NIC_H
12#define EFX_NIC_H
8ceee660 13
5c16a96c 14#include <linux/i2c-algo-bit.h>
8ceee660 15#include "net_driver.h"
177dfcd8 16#include "efx.h"
8880f4ec 17#include "mcdi.h"
4de92180 18#include "spi.h"
8ceee660
BH		 19
20/*
21 * Falcon hardware control
22 */
23
daeda630
BH		 24enum {
25 EFX_REV_FALCON_A0 = 0,
26 EFX_REV_FALCON_A1 = 1,
27 EFX_REV_FALCON_B0 = 2,
8880f4ec 28 EFX_REV_SIENA_A0 = 3,
8ceee660
BH		 29};
30
daeda630 31static inline int efx_nic_rev(struct efx_nic *efx)
55668611 32{
daeda630 33 return efx->type->revision;
55668611 34}
8ceee660 35
152b6a62
BH		 36extern u32 efx_nic_fpga_ver(struct efx_nic *efx);
37
8880f4ec
BH		 38static inline bool efx_nic_has_mc(struct efx_nic *efx)
39{
40 return efx_nic_rev(efx) >= EFX_REV_SIENA_A0;
41}
152b6a62
BH		 42/* NIC has two interlinked PCI functions for the same port. */
43static inline bool efx_nic_is_dual_func(struct efx_nic *efx)
44{
45 return efx_nic_rev(efx) < EFX_REV_FALCON_B0;
46}
47
c1c4f453
BH		 48enum {
49 PHY_TYPE_NONE = 0,
50 PHY_TYPE_TXC43128 = 1,
51 PHY_TYPE_88E1111 = 2,
52 PHY_TYPE_SFX7101 = 3,
53 PHY_TYPE_QT2022C2 = 4,
54 PHY_TYPE_PM8358 = 6,
55 PHY_TYPE_SFT9001A = 8,
56 PHY_TYPE_QT2025C = 9,
57 PHY_TYPE_SFT9001B = 10,
58};
59
60#define FALCON_XMAC_LOOPBACKS \
61 ((1 << LOOPBACK_XGMII) | \
62 (1 << LOOPBACK_XGXS) | \
63 (1 << LOOPBACK_XAUI))
64
65#define FALCON_GMAC_LOOPBACKS \
66 (1 << LOOPBACK_GMAC)
67
3759433d 68/**
44838a44
BH		 69 * struct falcon_board_type - board operations and type information
70 * @id: Board type id, as found in NVRAM
71 * @ref_model: Model number of Solarflare reference design
72 * @gen_type: Generic board type description
3759433d
BH		 73 * @init: Allocate resources and initialise peripheral hardware
74 * @init_phy: Do board-specific PHY initialisation
44838a44 75 * @fini: Shut down hardware and free resources
3759433d
BH		 76 * @set_id_led: Set state of identifying LED or revert to automatic function
77 * @monitor: Board-specific health check function
44838a44
BH		 78 */
79struct falcon_board_type {
80 u8 id;
81 const char *ref_model;
82 const char *gen_type;
83 int (*init) (struct efx_nic *nic);
84 void (*init_phy) (struct efx_nic *efx);
85 void (*fini) (struct efx_nic *nic);
86 void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
87 int (*monitor) (struct efx_nic *nic);
88};
89
90/**
91 * struct falcon_board - board information
92 * @type: Type of board
93 * @major: Major rev. ('A', 'B' ...)
94 * @minor: Minor rev. (0, 1, ...)
e775fb93
BH		 95 * @i2c_adap: I2C adapter for on-board peripherals
96 * @i2c_data: Data for bit-banging algorithm
3759433d
BH		 97 * @hwmon_client: I2C client for hardware monitor
98 * @ioexp_client: I2C client for power/port control
99 */
100struct falcon_board {
44838a44 101 const struct falcon_board_type *type;
3759433d
BH		 102 int major;
103 int minor;
e775fb93
BH		 104 struct i2c_adapter i2c_adap;
105 struct i2c_algo_bit_data i2c_data;
3759433d
BH		 106 struct i2c_client *hwmon_client, *ioexp_client;
107};
108
5c16a96c
BH		 109/**
110 * struct falcon_nic_data - Falcon NIC state
8986352a 111 * @pci_dev2: Secondary function of Falcon A
3759433d 112 * @board: Board state and functions
55edc6e6
BH		 113 * @stats_disable_count: Nest count for disabling statistics fetches
114 * @stats_pending: Is there a pending DMA of MAC statistics.
115 * @stats_timer: A timer for regularly fetching MAC statistics.
116 * @stats_dma_done: Pointer to the flag which indicates DMA completion.
4de92180
BH		 117 * @spi_flash: SPI flash device
118 * @spi_eeprom: SPI EEPROM device
119 * @spi_lock: SPI bus lock
4833f02a 120 * @mdio_lock: MDIO bus lock
cef68bde 121 * @xmac_poll_required: XMAC link state needs polling
5c16a96c
BH		 122 */
123struct falcon_nic_data {
124 struct pci_dev *pci_dev2;
3759433d 125 struct falcon_board board;
55edc6e6
BH		 126 unsigned int stats_disable_count;
127 bool stats_pending;
128 struct timer_list stats_timer;
129 u32 *stats_dma_done;
4de92180
BH		 130 struct efx_spi_device spi_flash;
131 struct efx_spi_device spi_eeprom;
132 struct mutex spi_lock;
4833f02a 133 struct mutex mdio_lock;
cef68bde 134 bool xmac_poll_required;
5c16a96c
BH		 135};
136
278c0621
BH		 137static inline struct falcon_board *falcon_board(struct efx_nic *efx)
138{
3759433d
BH		 139 struct falcon_nic_data *data = efx->nic_data;
140 return &data->board;
278c0621
BH		 141}
142
8880f4ec
BH		 143/**
144 * struct siena_nic_data - Siena NIC state
8880f4ec 145 * @mcdi: Management-Controller-to-Driver Interface
747df225 146 * @mcdi_smem: MCDI shared memory mapping. The mapping is always uncacheable.
8880f4ec
BH		 147 * @wol_filter_id: Wake-on-LAN packet filter id
148 */
149struct siena_nic_data {
8880f4ec 150 struct efx_mcdi_iface mcdi;
747df225 151 void __iomem *mcdi_smem;
8880f4ec
BH		 152 int wol_filter_id;
153};
154
daeda630
BH		 155extern struct efx_nic_type falcon_a1_nic_type;
156extern struct efx_nic_type falcon_b0_nic_type;
8880f4ec 157extern struct efx_nic_type siena_a0_nic_type;
8ceee660
BH		 158
159/**************************************************************************
160 *
161 * Externs
162 *
163 **************************************************************************
164 */
165
e41c11ee 166extern int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
5087b54d 167
8ceee660 168/* TX data path */
152b6a62
BH		 169extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue);
170extern void efx_nic_init_tx(struct efx_tx_queue *tx_queue);
171extern void efx_nic_fini_tx(struct efx_tx_queue *tx_queue);
172extern void efx_nic_remove_tx(struct efx_tx_queue *tx_queue);
173extern void efx_nic_push_buffers(struct efx_tx_queue *tx_queue);
8ceee660
BH		 174
175/* RX data path */
152b6a62
BH		 176extern int efx_nic_probe_rx(struct efx_rx_queue *rx_queue);
177extern void efx_nic_init_rx(struct efx_rx_queue *rx_queue);
178extern void efx_nic_fini_rx(struct efx_rx_queue *rx_queue);
179extern void efx_nic_remove_rx(struct efx_rx_queue *rx_queue);
180extern void efx_nic_notify_rx_desc(struct efx_rx_queue *rx_queue);
8ceee660
BH		 181
182/* Event data path */
152b6a62
BH		 183extern int efx_nic_probe_eventq(struct efx_channel *channel);
184extern void efx_nic_init_eventq(struct efx_channel *channel);
185extern void efx_nic_fini_eventq(struct efx_channel *channel);
186extern void efx_nic_remove_eventq(struct efx_channel *channel);
187extern int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota);
188extern void efx_nic_eventq_read_ack(struct efx_channel *channel);
d4fabcc8 189extern bool efx_nic_event_present(struct efx_channel *channel);
8ceee660 190
8ceee660 191/* MAC/PHY */
8ceee660 192extern void falcon_drain_tx_fifo(struct efx_nic *efx);
8ceee660
BH		 193extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
194
195/* Interrupts and test events */
152b6a62
BH		 196extern int efx_nic_init_interrupt(struct efx_nic *efx);
197extern void efx_nic_enable_interrupts(struct efx_nic *efx);
d730dc52 198extern void efx_nic_generate_test_event(struct efx_channel *channel);
90d683af 199extern void efx_nic_generate_fill_event(struct efx_channel *channel);
152b6a62
BH		 200extern void efx_nic_generate_interrupt(struct efx_nic *efx);
201extern void efx_nic_disable_interrupts(struct efx_nic *efx);
202extern void efx_nic_fini_interrupt(struct efx_nic *efx);
203extern irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx);
204extern irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id);
205extern void falcon_irq_ack_a1(struct efx_nic *efx);
206
207#define EFX_IRQ_MOD_RESOLUTION 5
6fb70fd1 208
8ceee660 209/* Global Resources */
152b6a62 210extern int efx_nic_flush_queues(struct efx_nic *efx);
55edc6e6
BH		 211extern void falcon_start_nic_stats(struct efx_nic *efx);
212extern void falcon_stop_nic_stats(struct efx_nic *efx);
b7b40eeb 213extern void falcon_setup_xaui(struct efx_nic *efx);
8ceee660 214extern int falcon_reset_xaui(struct efx_nic *efx);
152b6a62 215extern void efx_nic_init_common(struct efx_nic *efx);
765c9f46 216extern void efx_nic_push_rx_indir_table(struct efx_nic *efx);
152b6a62
BH		 217
218int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer,
219 unsigned int len);
220void efx_nic_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer);
8ceee660 221
8c8661e4 222/* Tests */
152b6a62
BH		 223struct efx_nic_register_test {
224 unsigned address;
225 efx_oword_t mask;
226};
227extern int efx_nic_test_registers(struct efx_nic *efx,
228 const struct efx_nic_register_test *regs,
229 size_t n_regs);
8c8661e4 230
5b98c1bf
BH		 231extern size_t efx_nic_get_regs_len(struct efx_nic *efx);
232extern void efx_nic_get_regs(struct efx_nic *efx, void *buf);
233
8ceee660
BH		 234/**************************************************************************
235 *
236 * Falcon MAC stats
237 *
238 **************************************************************************
239 */
240
241#define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
242#define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
243
244/* Retrieve statistic from statistics block */
245#define FALCON_STAT(efx, falcon_stat, efx_stat) do { \
246 if (FALCON_STAT_WIDTH(falcon_stat) == 16) \
247 (efx)->mac_stats.efx_stat += le16_to_cpu( \
248 *((__force __le16 *) \
249 (efx->stats_buffer.addr + \
250 FALCON_STAT_OFFSET(falcon_stat)))); \
251 else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \
252 (efx)->mac_stats.efx_stat += le32_to_cpu( \
253 *((__force __le32 *) \
254 (efx->stats_buffer.addr + \
255 FALCON_STAT_OFFSET(falcon_stat)))); \
256 else \
257 (efx)->mac_stats.efx_stat += le64_to_cpu( \
258 *((__force __le64 *) \
259 (efx->stats_buffer.addr + \
260 FALCON_STAT_OFFSET(falcon_stat)))); \
261 } while (0)
262
263#define FALCON_MAC_STATS_SIZE 0x100
264
265#define MAC_DATA_LBN 0
266#define MAC_DATA_WIDTH 32
267
152b6a62
BH		 268extern void efx_nic_generate_event(struct efx_channel *channel,
269 efx_qword_t *event);
8ceee660 270
9007b9fa
BH		 271extern void falcon_poll_xmac(struct efx_nic *efx);
272
744093c9 273#endif /* EFX_NIC_H */
kernel source for telekom puls (alcatel/mediatek)