xref: /freebsd/sys/dev/bxe/bxe_elink.h (revision 5b9c547c)
1 /*-
2  * Copyright (c) 2007-2014 QLogic Corporation. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24  * THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #ifndef ELINK_H
31 #define ELINK_H
32 
33 #define ELINK_DEBUG
34 
35 
36 
37 
38 
39 
40 /***********************************************************/
41 /*                  CLC Call backs functions               */
42 /***********************************************************/
43 /* CLC device structure */
44 struct bxe_softc;
45 
46 extern uint32_t elink_cb_reg_read(struct bxe_softc *sc, uint32_t reg_addr);
47 extern void elink_cb_reg_write(struct bxe_softc *sc, uint32_t reg_addr, uint32_t val);
48 /* wb_write - pointer to 2 32 bits vars to be passed to the DMAE*/
49 extern void elink_cb_reg_wb_write(struct bxe_softc *sc, uint32_t offset,
50 				uint32_t *wb_write, uint16_t len);
51 extern void elink_cb_reg_wb_read(struct bxe_softc *sc, uint32_t offset,
52 			       uint32_t *wb_write, uint16_t len);
53 
54 /* mode - 0( LOW ) /1(HIGH)*/
55 extern uint8_t elink_cb_gpio_write(struct bxe_softc *sc,
56 			    uint16_t gpio_num,
57 			    uint8_t mode, uint8_t port);
58 extern uint8_t elink_cb_gpio_mult_write(struct bxe_softc *sc,
59 			    uint8_t pins,
60 			    uint8_t mode);
61 
62 extern uint32_t elink_cb_gpio_read(struct bxe_softc *sc, uint16_t gpio_num, uint8_t port);
63 extern uint8_t elink_cb_gpio_int_write(struct bxe_softc *sc,
64 				uint16_t gpio_num,
65 				uint8_t mode, uint8_t port);
66 
67 extern uint32_t elink_cb_fw_command(struct bxe_softc *sc, uint32_t command, uint32_t param);
68 
69 /* Delay */
70 extern void elink_cb_udelay(struct bxe_softc *sc, uint32_t microsecond);
71 
72 /* This function is called every 1024 bytes downloading of phy firmware.
73 Driver can use it to print to screen indication for download progress */
74 extern void elink_cb_download_progress(struct bxe_softc *sc, uint32_t cur, uint32_t total);
75 
76 /* Each log type has its own parameters */
77 typedef enum elink_log_id {
78 	ELINK_LOG_ID_UNQUAL_IO_MODULE	= 0, /* uint8_t port, const char* vendor_name, const char* vendor_pn */
79 	ELINK_LOG_ID_OVER_CURRENT	= 1, /* uint8_t port */
80 	ELINK_LOG_ID_PHY_UNINITIALIZED	= 2, /* uint8_t port */
81 	ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT= 3, /* No params */
82 	ELINK_LOG_ID_NON_10G_MODULE	= 4, /* uint8_t port */
83 }elink_log_id_t;
84 
85 typedef enum elink_status {
86 	ELINK_STATUS_OK = 0,
87 	ELINK_STATUS_ERROR,
88 	ELINK_STATUS_TIMEOUT,
89 	ELINK_STATUS_NO_LINK,
90 	ELINK_STATUS_INVALID_IMAGE,
91 	ELINK_OP_NOT_SUPPORTED = 122
92 } elink_status_t;
93 extern void elink_cb_event_log(struct bxe_softc *sc, const elink_log_id_t log_id, ...);
94 extern void elink_cb_load_warpcore_microcode(void);
95 
96 extern uint8_t elink_cb_path_id(struct bxe_softc *sc);
97 
98 extern void elink_cb_notify_link_changed(struct bxe_softc *sc);
99 
100 #define ELINK_EVENT_LOG_LEVEL_ERROR 	1
101 #define ELINK_EVENT_LOG_LEVEL_WARNING 	2
102 #define ELINK_EVENT_ID_SFP_UNQUALIFIED_MODULE 	1
103 #define ELINK_EVENT_ID_SFP_POWER_FAULT 		2
104 
105 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
106 /* Debug prints */
107 #ifdef ELINK_DEBUG
108 
109 extern void elink_cb_dbg(struct bxe_softc *sc,  char *fmt);
110 extern void elink_cb_dbg1(struct bxe_softc *sc,  char *fmt, uint32_t arg1);
111 extern void elink_cb_dbg2(struct bxe_softc *sc,  char *fmt, uint32_t arg1, uint32_t arg2);
112 extern void elink_cb_dbg3(struct bxe_softc *sc,  char *fmt, uint32_t arg1, uint32_t arg2,
113 			  uint32_t arg3);
114 
115 #define ELINK_DEBUG_P0(sc, fmt) 		elink_cb_dbg(sc, fmt)
116 #define ELINK_DEBUG_P1(sc, fmt, arg1) 		elink_cb_dbg1(sc, fmt, arg1)
117 #define ELINK_DEBUG_P2(sc, fmt, arg1, arg2)	elink_cb_dbg2(sc, fmt, arg1, arg2)
118 #define ELINK_DEBUG_P3(sc, fmt, arg1, arg2, arg3) \
119 					elink_cb_dbg3(sc, fmt, arg1, arg2, arg3)
120 #else
121 #define ELINK_DEBUG_P0(sc, fmt)
122 #define ELINK_DEBUG_P1(sc, fmt, arg1)
123 #define ELINK_DEBUG_P2(sc, fmt, arg1, arg2)
124 #define ELINK_DEBUG_P3(sc, fmt, arg1, arg2, arg3)
125 #endif
126 
127 /***********************************************************/
128 /*                         Defines                         */
129 /***********************************************************/
130 #define ELINK_DEFAULT_PHY_DEV_ADDR	3
131 #define ELINK_E2_DEFAULT_PHY_DEV_ADDR	5
132 
133 
134 #define DUPLEX_FULL			1
135 #define DUPLEX_HALF			2
136 
137 #define ELINK_FLOW_CTRL_AUTO		PORT_FEATURE_FLOW_CONTROL_AUTO
138 #define ELINK_FLOW_CTRL_TX		PORT_FEATURE_FLOW_CONTROL_TX
139 #define ELINK_FLOW_CTRL_RX		PORT_FEATURE_FLOW_CONTROL_RX
140 #define ELINK_FLOW_CTRL_BOTH		PORT_FEATURE_FLOW_CONTROL_BOTH
141 #define ELINK_FLOW_CTRL_NONE		PORT_FEATURE_FLOW_CONTROL_NONE
142 
143 #define ELINK_NET_SERDES_IF_XFI		1
144 #define ELINK_NET_SERDES_IF_SFI		2
145 #define ELINK_NET_SERDES_IF_KR		3
146 #define ELINK_NET_SERDES_IF_DXGXS	4
147 
148 #define ELINK_SPEED_AUTO_NEG		0
149 #define ELINK_SPEED_10			10
150 #define ELINK_SPEED_100			100
151 #define ELINK_SPEED_1000		1000
152 #define ELINK_SPEED_2500		2500
153 #define ELINK_SPEED_10000		10000
154 #define ELINK_SPEED_20000		20000
155 
156 #define ELINK_I2C_DEV_ADDR_A0			0xa0
157 #define ELINK_I2C_DEV_ADDR_A2			0xa2
158 
159 #define ELINK_SFP_EEPROM_PAGE_SIZE			16
160 #define ELINK_SFP_EEPROM_VENDOR_NAME_ADDR		0x14
161 #define ELINK_SFP_EEPROM_VENDOR_NAME_SIZE		16
162 #define ELINK_SFP_EEPROM_VENDOR_OUI_ADDR		0x25
163 #define ELINK_SFP_EEPROM_VENDOR_OUI_SIZE		3
164 #define ELINK_SFP_EEPROM_PART_NO_ADDR			0x28
165 #define ELINK_SFP_EEPROM_PART_NO_SIZE			16
166 #define ELINK_SFP_EEPROM_REVISION_ADDR		0x38
167 #define ELINK_SFP_EEPROM_REVISION_SIZE		4
168 #define ELINK_SFP_EEPROM_SERIAL_ADDR			0x44
169 #define ELINK_SFP_EEPROM_SERIAL_SIZE			16
170 #define ELINK_SFP_EEPROM_DATE_ADDR			0x54 /* ASCII YYMMDD */
171 #define ELINK_SFP_EEPROM_DATE_SIZE			6
172 #define ELINK_SFP_EEPROM_DIAG_TYPE_ADDR			0x5c
173 #define ELINK_SFP_EEPROM_DIAG_TYPE_SIZE			1
174 #define ELINK_SFP_EEPROM_DIAG_ADDR_CHANGE_REQ		(1<<2)
175 #define ELINK_SFP_EEPROM_SFF_8472_COMP_ADDR		0x5e
176 #define ELINK_SFP_EEPROM_SFF_8472_COMP_SIZE		1
177 
178 #define ELINK_SFP_EEPROM_A2_CHECKSUM_RANGE		0x5e
179 #define ELINK_SFP_EEPROM_A2_CC_DMI_ADDR			0x5f
180 
181 #define ELINK_PWR_FLT_ERR_MSG_LEN			250
182 
183 #define ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config) \
184 		((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK)
185 #define ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config) \
186 		(((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> \
187 		 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT)
188 #define ELINK_SERDES_EXT_PHY_TYPE(ext_phy_config) \
189 		((ext_phy_config) & PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK)
190 
191 /* Single Media Direct board is the plain 577xx board with CX4/RJ45 jacks */
192 #define ELINK_SINGLE_MEDIA_DIRECT(params)	(params->num_phys == 1)
193 /* Single Media board contains single external phy */
194 #define ELINK_SINGLE_MEDIA(params)		(params->num_phys == 2)
195 /* Dual Media board contains two external phy with different media */
196 #define ELINK_DUAL_MEDIA(params)		(params->num_phys == 3)
197 
198 #define ELINK_FW_PARAM_PHY_ADDR_MASK		0x000000FF
199 #define ELINK_FW_PARAM_PHY_TYPE_MASK		0x0000FF00
200 #define ELINK_FW_PARAM_MDIO_CTRL_MASK		0xFFFF0000
201 #define ELINK_FW_PARAM_MDIO_CTRL_OFFSET		16
202 #define ELINK_FW_PARAM_PHY_ADDR(fw_param) (fw_param & \
203 					   ELINK_FW_PARAM_PHY_ADDR_MASK)
204 #define ELINK_FW_PARAM_PHY_TYPE(fw_param) (fw_param & \
205 					   ELINK_FW_PARAM_PHY_TYPE_MASK)
206 #define ELINK_FW_PARAM_MDIO_CTRL(fw_param) ((fw_param & \
207 					    ELINK_FW_PARAM_MDIO_CTRL_MASK) >> \
208 					    ELINK_FW_PARAM_MDIO_CTRL_OFFSET)
209 #define ELINK_FW_PARAM_SET(phy_addr, phy_type, mdio_access) \
210 	(phy_addr | phy_type | mdio_access << ELINK_FW_PARAM_MDIO_CTRL_OFFSET)
211 
212 
213 #define ELINK_PFC_BRB_FULL_LB_XOFF_THRESHOLD				170
214 #define ELINK_PFC_BRB_FULL_LB_XON_THRESHOLD				250
215 
216 #define ELINK_MAXVAL(a, b) (((a) > (b)) ? (a) : (b))
217 
218 #define ELINK_BMAC_CONTROL_RX_ENABLE		2
219 /***********************************************************/
220 /*                         Structs                         */
221 /***********************************************************/
222 #define ELINK_INT_PHY		0
223 #define ELINK_EXT_PHY1	1
224 #define ELINK_EXT_PHY2	2
225 #define ELINK_MAX_PHYS	3
226 
227 /* Same configuration is shared between the XGXS and the first external phy */
228 #define ELINK_LINK_CONFIG_SIZE (ELINK_MAX_PHYS - 1)
229 #define ELINK_LINK_CONFIG_IDX(_phy_idx) ((_phy_idx == ELINK_INT_PHY) ? \
230 					 0 : (_phy_idx - 1))
231 /***********************************************************/
232 /*                      elink_phy struct                   */
233 /*  Defines the required arguments and function per phy    */
234 /***********************************************************/
235 struct elink_vars;
236 struct elink_params;
237 struct elink_phy;
238 
239 typedef uint8_t (*config_init_t)(struct elink_phy *phy, struct elink_params *params,
240 			    struct elink_vars *vars);
241 typedef uint8_t (*read_status_t)(struct elink_phy *phy, struct elink_params *params,
242 			    struct elink_vars *vars);
243 typedef void (*link_reset_t)(struct elink_phy *phy,
244 			     struct elink_params *params);
245 typedef void (*config_loopback_t)(struct elink_phy *phy,
246 				  struct elink_params *params);
247 typedef uint8_t (*format_fw_ver_t)(uint32_t raw, uint8_t *str, uint16_t *len);
248 typedef void (*hw_reset_t)(struct elink_phy *phy, struct elink_params *params);
249 typedef void (*set_link_led_t)(struct elink_phy *phy,
250 			       struct elink_params *params, uint8_t mode);
251 typedef void (*phy_specific_func_t)(struct elink_phy *phy,
252 				    struct elink_params *params, uint32_t action);
253 struct elink_reg_set {
254 	uint8_t  devad;
255 	uint16_t reg;
256 	uint16_t val;
257 };
258 
259 struct elink_phy {
260 	uint32_t type;
261 
262 	/* Loaded during init */
263 	uint8_t addr;
264 	uint8_t def_md_devad;
265 	uint16_t flags;
266 	/* No Over-Current detection */
267 #define ELINK_FLAGS_NOC			(1<<1)
268 	/* Fan failure detection required */
269 #define ELINK_FLAGS_FAN_FAILURE_DET_REQ	(1<<2)
270 	/* Initialize first the XGXS and only then the phy itself */
271 #define ELINK_FLAGS_INIT_XGXS_FIRST		(1<<3)
272 #define ELINK_FLAGS_WC_DUAL_MODE		(1<<4)
273 #define ELINK_FLAGS_4_PORT_MODE		(1<<5)
274 #define ELINK_FLAGS_REARM_LATCH_SIGNAL		(1<<6)
275 #define ELINK_FLAGS_SFP_NOT_APPROVED		(1<<7)
276 #define ELINK_FLAGS_MDC_MDIO_WA		(1<<8)
277 #define ELINK_FLAGS_DUMMY_READ			(1<<9)
278 #define ELINK_FLAGS_MDC_MDIO_WA_B0		(1<<10)
279 #define ELINK_FLAGS_SFP_MODULE_PLUGGED_IN_WC	(1<<11)
280 #define ELINK_FLAGS_TX_ERROR_CHECK		(1<<12)
281 #define ELINK_FLAGS_EEE			(1<<13)
282 #define ELINK_FLAGS_TEMPERATURE		(1<<14)
283 #define ELINK_FLAGS_MDC_MDIO_WA_G		(1<<15)
284 
285 	/* preemphasis values for the rx side */
286 	uint16_t rx_preemphasis[4];
287 
288 	/* preemphasis values for the tx side */
289 	uint16_t tx_preemphasis[4];
290 
291 	/* EMAC address for access MDIO */
292 	uint32_t mdio_ctrl;
293 
294 	uint32_t supported;
295 #define ELINK_SUPPORTED_10baseT_Half		(1<<0)
296 #define ELINK_SUPPORTED_10baseT_Full		(1<<1)
297 #define ELINK_SUPPORTED_100baseT_Half		(1<<2)
298 #define ELINK_SUPPORTED_100baseT_Full 		(1<<3)
299 #define ELINK_SUPPORTED_1000baseT_Full 	(1<<4)
300 #define ELINK_SUPPORTED_2500baseX_Full 	(1<<5)
301 #define ELINK_SUPPORTED_10000baseT_Full 	(1<<6)
302 #define ELINK_SUPPORTED_TP 			(1<<7)
303 #define ELINK_SUPPORTED_FIBRE 			(1<<8)
304 #define ELINK_SUPPORTED_Autoneg 		(1<<9)
305 #define ELINK_SUPPORTED_Pause 			(1<<10)
306 #define ELINK_SUPPORTED_Asym_Pause		(1<<11)
307 #define ELINK_SUPPORTED_20000baseMLD2_Full	(1<<21)
308 #define ELINK_SUPPORTED_20000baseKR2_Full	(1<<22)
309 
310 	uint32_t media_type;
311 #define	ELINK_ETH_PHY_UNSPECIFIED	0x0
312 #define	ELINK_ETH_PHY_SFPP_10G_FIBER	0x1
313 #define	ELINK_ETH_PHY_XFP_FIBER		0x2
314 #define	ELINK_ETH_PHY_DA_TWINAX		0x3
315 #define	ELINK_ETH_PHY_BASE_T		0x4
316 #define ELINK_ETH_PHY_SFP_1G_FIBER	0x5
317 #define	ELINK_ETH_PHY_KR		0xf0
318 #define	ELINK_ETH_PHY_CX4		0xf1
319 #define	ELINK_ETH_PHY_NOT_PRESENT	0xff
320 
321 	/* The address in which version is located*/
322 	uint32_t ver_addr;
323 
324 	uint16_t req_flow_ctrl;
325 
326 	uint16_t req_line_speed;
327 
328 	uint32_t speed_cap_mask;
329 
330 	uint16_t req_duplex;
331 	uint16_t rsrv;
332 	/* Called per phy/port init, and it configures LASI, speed, autoneg,
333 	 duplex, flow control negotiation, etc. */
334 	config_init_t config_init;
335 
336 	/* Called due to interrupt. It determines the link, speed */
337 	read_status_t read_status;
338 
339 	/* Called when driver is unloading. Should reset the phy */
340 	link_reset_t link_reset;
341 
342 	/* Set the loopback configuration for the phy */
343 	config_loopback_t config_loopback;
344 
345 	/* Format the given raw number into str up to len */
346 	format_fw_ver_t format_fw_ver;
347 
348 	/* Reset the phy (both ports) */
349 	hw_reset_t hw_reset;
350 
351 	/* Set link led mode (on/off/oper)*/
352 	set_link_led_t set_link_led;
353 
354 	/* PHY Specific tasks */
355 	phy_specific_func_t phy_specific_func;
356 #define ELINK_DISABLE_TX	1
357 #define ELINK_ENABLE_TX	2
358 #define ELINK_PHY_INIT	3
359 };
360 
361 /* Inputs parameters to the CLC */
362 struct elink_params {
363 
364 	uint8_t port;
365 
366 	/* Default / User Configuration */
367 	uint8_t loopback_mode;
368 #define ELINK_LOOPBACK_NONE		0
369 #define ELINK_LOOPBACK_EMAC		1
370 #define ELINK_LOOPBACK_BMAC		2
371 #define ELINK_LOOPBACK_XGXS		3
372 #define ELINK_LOOPBACK_EXT_PHY		4
373 #define ELINK_LOOPBACK_EXT		5
374 #define ELINK_LOOPBACK_UMAC		6
375 #define ELINK_LOOPBACK_XMAC		7
376 
377 	/* Device parameters */
378 	uint8_t mac_addr[6];
379 
380 	uint16_t req_duplex[ELINK_LINK_CONFIG_SIZE];
381 	uint16_t req_flow_ctrl[ELINK_LINK_CONFIG_SIZE];
382 
383 	uint16_t req_line_speed[ELINK_LINK_CONFIG_SIZE]; /* Also determine AutoNeg */
384 
385 	/* shmem parameters */
386 	uint32_t shmem_base;
387 	uint32_t shmem2_base;
388 	uint32_t speed_cap_mask[ELINK_LINK_CONFIG_SIZE];
389 	uint32_t switch_cfg;
390 #define ELINK_SWITCH_CFG_1G		PORT_FEATURE_CON_SWITCH_1G_SWITCH
391 #define ELINK_SWITCH_CFG_10G		PORT_FEATURE_CON_SWITCH_10G_SWITCH
392 #define ELINK_SWITCH_CFG_AUTO_DETECT	PORT_FEATURE_CON_SWITCH_AUTO_DETECT
393 
394 	uint32_t lane_config;
395 
396 	/* Phy register parameter */
397 	uint32_t chip_id;
398 
399 	/* features */
400 	uint32_t feature_config_flags;
401 #define ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED	(1<<0)
402 #define ELINK_FEATURE_CONFIG_PFC_ENABLED			(1<<1)
403 #define ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY		(1<<2)
404 #define ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY	(1<<3)
405 #define ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC			(1<<4)
406 #define ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC			(1<<5)
407 #define ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC			(1<<6)
408 #define ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC			(1<<7)
409 #define ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX			(1<<8)
410 #define ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED		(1<<9)
411 #define ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED	(1<<10)
412 #define ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET		(1<<11)
413 #define ELINK_FEATURE_CONFIG_IEEE_PHY_TEST			(1<<12)
414 #define ELINK_FEATURE_CONFIG_MT_SUPPORT			(1<<13)
415 #define ELINK_FEATURE_CONFIG_BOOT_FROM_SAN			(1<<14)
416 
417 	/* Will be populated during common init */
418 	struct elink_phy phy[ELINK_MAX_PHYS];
419 
420 	/* Will be populated during common init */
421 	uint8_t num_phys;
422 
423 	uint8_t rsrv;
424 
425 	/* Used to configure the EEE Tx LPI timer, has several modes of
426 	 * operation, according to bits 29:28 -
427 	 * 2'b00: Timer will be configured by nvram, output will be the value
428 	 *        from nvram.
429 	 * 2'b01: Timer will be configured by nvram, output will be in
430 	 *        microseconds.
431 	 * 2'b10: bits 1:0 contain an nvram value which will be used instead
432 	 *        of the one located in the nvram. Output will be that value.
433 	 * 2'b11: bits 19:0 contain the idle timer in microseconds; output
434 	 *        will be in microseconds.
435 	 * Bits 31:30 should be 2'b11 in order for EEE to be enabled.
436 	 */
437 	uint32_t eee_mode;
438 #define ELINK_EEE_MODE_NVRAM_BALANCED_TIME		(0xa00)
439 #define ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME		(0x100)
440 #define ELINK_EEE_MODE_NVRAM_LATENCY_TIME		(0x6000)
441 #define ELINK_EEE_MODE_NVRAM_MASK		(0x3)
442 #define ELINK_EEE_MODE_TIMER_MASK		(0xfffff)
443 #define ELINK_EEE_MODE_OUTPUT_TIME		(1<<28)
444 #define ELINK_EEE_MODE_OVERRIDE_NVRAM		(1<<29)
445 #define ELINK_EEE_MODE_ENABLE_LPI		(1<<30)
446 #define ELINK_EEE_MODE_ADV_LPI			(1<<31)
447 
448 	uint16_t hw_led_mode; /* part of the hw_config read from the shmem */
449 	uint32_t multi_phy_config;
450 
451 	/* Device pointer passed to all callback functions */
452 	struct bxe_softc *sc;
453 	uint16_t req_fc_auto_adv; /* Should be set to TX / BOTH when
454 				req_flow_ctrl is set to AUTO */
455 	uint16_t link_flags;
456 #define ELINK_LINK_FLAGS_INT_DISABLED		(1<<0)
457 #define ELINK_PHY_INITIALIZED		(1<<1)
458 	uint32_t lfa_base;
459 };
460 
461 /* Output parameters */
462 struct elink_vars {
463 	uint8_t phy_flags;
464 #define PHY_XGXS_FLAG			(1<<0)
465 #define PHY_SGMII_FLAG			(1<<1)
466 #define PHY_PHYSICAL_LINK_FLAG		(1<<2)
467 #define PHY_HALF_OPEN_CONN_FLAG		(1<<3)
468 #define PHY_OVER_CURRENT_FLAG		(1<<4)
469 #define PHY_SFP_TX_FAULT_FLAG		(1<<5)
470 
471 	uint8_t mac_type;
472 #define ELINK_MAC_TYPE_NONE		0
473 #define ELINK_MAC_TYPE_EMAC		1
474 #define ELINK_MAC_TYPE_BMAC		2
475 #define ELINK_MAC_TYPE_UMAC		3
476 #define ELINK_MAC_TYPE_XMAC		4
477 
478 	uint8_t phy_link_up; /* internal phy link indication */
479 	uint8_t link_up;
480 
481 	uint16_t line_speed;
482 	uint16_t duplex;
483 
484 	uint16_t flow_ctrl;
485 	uint16_t ieee_fc;
486 
487 	/* The same definitions as the shmem parameter */
488 	uint32_t link_status;
489 	uint32_t eee_status;
490 	uint8_t fault_detected;
491 	uint8_t check_kr2_recovery_cnt;
492 #define ELINK_CHECK_KR2_RECOVERY_CNT	5
493 	uint16_t periodic_flags;
494 #define ELINK_PERIODIC_FLAGS_LINK_EVENT	0x0001
495 
496 	uint32_t aeu_int_mask;
497 	uint8_t rx_tx_asic_rst;
498 	uint8_t turn_to_run_wc_rt;
499 	uint16_t rsrv2;
500 	/* The same definitions as the shmem2 parameter */
501 	uint32_t link_attr_sync;
502 };
503 
504 /***********************************************************/
505 /*                         Functions                       */
506 /***********************************************************/
507 elink_status_t elink_phy_init(struct elink_params *params, struct elink_vars *vars);
508 
509 /* Reset the link. Should be called when driver or interface goes down
510    Before calling phy firmware upgrade, the reset_ext_phy should be set
511    to 0 */
512 elink_status_t elink_link_reset(struct elink_params *params, struct elink_vars *vars,
513 		     uint8_t reset_ext_phy);
514 elink_status_t elink_lfa_reset(struct elink_params *params, struct elink_vars *vars);
515 /* elink_link_update should be called upon link interrupt */
516 elink_status_t elink_link_update(struct elink_params *params, struct elink_vars *vars);
517 
518 /* use the following phy functions to read/write from external_phy
519   In order to use it to read/write internal phy registers, use
520   ELINK_DEFAULT_PHY_DEV_ADDR as devad, and (_bank + (_addr & 0xf)) as
521   the register */
522 elink_status_t elink_phy_read(struct elink_params *params, uint8_t phy_addr,
523 		   uint8_t devad, uint16_t reg, uint16_t *ret_val);
524 
525 elink_status_t elink_phy_write(struct elink_params *params, uint8_t phy_addr,
526 		    uint8_t devad, uint16_t reg, uint16_t val);
527 
528 /* Reads the link_status from the shmem,
529    and update the link vars accordingly */
530 void elink_link_status_update(struct elink_params *input,
531 			    struct elink_vars *output);
532 /* returns string representing the fw_version of the external phy */
533 elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params, uint8_t *version,
534 				 uint16_t len);
535 
536 /* Set/Unset the led
537    Basically, the CLC takes care of the led for the link, but in case one needs
538    to set/unset the led unnaturally, set the "mode" to ELINK_LED_MODE_OPER to
539    blink the led, and ELINK_LED_MODE_OFF to set the led off.*/
540 elink_status_t elink_set_led(struct elink_params *params,
541 		  struct elink_vars *vars, uint8_t mode, uint32_t speed);
542 #define ELINK_LED_MODE_OFF			0
543 #define ELINK_LED_MODE_ON			1
544 #define ELINK_LED_MODE_OPER			2
545 #define ELINK_LED_MODE_FRONT_PANEL_OFF	3
546 
547 /* elink_handle_module_detect_int should be called upon module detection
548    interrupt */
549 void elink_handle_module_detect_int(struct elink_params *params);
550 
551 /* Get the actual link status. In case it returns ELINK_STATUS_OK, link is up,
552 	otherwise link is down*/
553 elink_status_t elink_test_link(struct elink_params *params, struct elink_vars *vars,
554 		    uint8_t is_serdes);
555 
556 
557 /* One-time initialization for external phy after power up */
558 elink_status_t elink_common_init_phy(struct bxe_softc *sc, uint32_t shmem_base_path[],
559 			  uint32_t shmem2_base_path[], uint32_t chip_id, uint8_t one_port_enabled);
560 
561 /* Reset the external PHY using GPIO */
562 void elink_ext_phy_hw_reset(struct bxe_softc *sc, uint8_t port);
563 
564 /* Reset the external of SFX7101 */
565 void elink_sfx7101_sp_sw_reset(struct bxe_softc *sc, struct elink_phy *phy);
566 
567 /* Read "byte_cnt" bytes from address "addr" from the SFP+ EEPROM */
568 elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy,
569 				 struct elink_params *params, uint8_t dev_addr,
570 				 uint16_t addr, uint16_t byte_cnt, uint8_t *o_buf);
571 
572 void elink_hw_reset_phy(struct elink_params *params);
573 
574 /* Check swap bit and adjust PHY order */
575 uint32_t elink_phy_selection(struct elink_params *params);
576 
577 /* Probe the phys on board, and populate them in "params" */
578 elink_status_t elink_phy_probe(struct elink_params *params);
579 
580 /* Checks if fan failure detection is required on one of the phys on board */
581 uint8_t elink_fan_failure_det_req(struct bxe_softc *sc, uint32_t shmem_base,
582 			     uint32_t shmem2_base, uint8_t port);
583 
584 /* Open / close the gate between the NIG and the BRB */
585 void elink_set_rx_filter(struct elink_params *params, uint8_t en);
586 
587 /* DCBX structs */
588 
589 /* Number of maximum COS per chip */
590 #define ELINK_DCBX_E2E3_MAX_NUM_COS		(2)
591 #define ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0	(6)
592 #define ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1	(3)
593 #define ELINK_DCBX_E3B0_MAX_NUM_COS		( \
594 			ELINK_MAXVAL(ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0, \
595 			    ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1))
596 
597 #define ELINK_DCBX_MAX_NUM_COS			( \
598 			ELINK_MAXVAL(ELINK_DCBX_E3B0_MAX_NUM_COS, \
599 			    ELINK_DCBX_E2E3_MAX_NUM_COS))
600 
601 /* PFC port configuration params */
602 struct elink_nig_brb_pfc_port_params {
603 	/* NIG */
604 	uint32_t pause_enable;
605 	uint32_t llfc_out_en;
606 	uint32_t llfc_enable;
607 	uint32_t pkt_priority_to_cos;
608 	uint8_t num_of_rx_cos_priority_mask;
609 	uint32_t rx_cos_priority_mask[ELINK_DCBX_MAX_NUM_COS];
610 	uint32_t llfc_high_priority_classes;
611 	uint32_t llfc_low_priority_classes;
612 };
613 
614 
615 /* ETS port configuration params */
616 struct elink_ets_bw_params {
617 	uint8_t bw;
618 };
619 
620 struct elink_ets_sp_params {
621 	/**
622 	 * valid values are 0 - 5. 0 is highest strict priority.
623 	 * There can't be two COS's with the same pri.
624 	 */
625 	uint8_t pri;
626 };
627 
628 enum elink_cos_state {
629 	elink_cos_state_strict = 0,
630 	elink_cos_state_bw = 1,
631 };
632 
633 struct elink_ets_cos_params {
634 	enum elink_cos_state state ;
635 	union {
636 		struct elink_ets_bw_params bw_params;
637 		struct elink_ets_sp_params sp_params;
638 	} params;
639 };
640 
641 struct elink_ets_params {
642 	uint8_t num_of_cos; /* Number of valid COS entries*/
643 	struct elink_ets_cos_params cos[ELINK_DCBX_MAX_NUM_COS];
644 };
645 
646 /* Used to update the PFC attributes in EMAC, BMAC, NIG and BRB
647  * when link is already up
648  */
649 elink_status_t elink_update_pfc(struct elink_params *params,
650 		      struct elink_vars *vars,
651 		      struct elink_nig_brb_pfc_port_params *pfc_params);
652 
653 
654 /* Used to configure the ETS to disable */
655 elink_status_t elink_ets_disabled(struct elink_params *params,
656 		       struct elink_vars *vars);
657 
658 /* Used to configure the ETS to BW limited */
659 void elink_ets_bw_limit(const struct elink_params *params, const uint32_t cos0_bw,
660 			const uint32_t cos1_bw);
661 
662 /* Used to configure the ETS to strict */
663 elink_status_t elink_ets_strict(const struct elink_params *params, const uint8_t strict_cos);
664 
665 
666 /*  Configure the COS to ETS according to BW and SP settings.*/
667 elink_status_t elink_ets_e3b0_config(const struct elink_params *params,
668 			 const struct elink_vars *vars,
669 			 struct elink_ets_params *ets_params);
670 /* Read pfc statistic*/
671 void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars,
672 						 uint32_t pfc_frames_sent[2],
673 						 uint32_t pfc_frames_received[2]);
674 void elink_init_mod_abs_int(struct bxe_softc *sc, struct elink_vars *vars,
675 			    uint32_t chip_id, uint32_t shmem_base, uint32_t shmem2_base,
676 			    uint8_t port);
677 
678 elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
679 			       struct elink_params *params);
680 
681 void elink_period_func(struct elink_params *params, struct elink_vars *vars);
682 
683 elink_status_t elink_check_half_open_conn(struct elink_params *params,
684 			            struct elink_vars *vars, uint8_t notify);
685 
686 void elink_enable_pmd_tx(struct elink_params *params);
687 
688 
689 
690 #endif /* ELINK_H */
691 
692