1/*
2 * Copyright (c) 2017-2018 Cavium, Inc.
3 * All rights reserved.
4 *
5 *  Redistribution and use in source and binary forms, with or without
6 *  modification, are permitted provided that the following conditions
7 *  are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 *  POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/11/sys/dev/qlnx/qlnxe/ecore_hw.h 337517 2018-08-09 01:17:35Z davidcs $
28 *
29 */
30
31#ifndef __ECORE_HW_H__
32#define __ECORE_HW_H__
33
34#include "ecore.h"
35#include "ecore_dev_api.h"
36
37/* Forward decleration */
38struct ecore_ptt;
39
40enum reserved_ptts {
41	RESERVED_PTT_EDIAG,
42	RESERVED_PTT_USER_SPACE,
43	RESERVED_PTT_MAIN,
44	RESERVED_PTT_DPC,
45	RESERVED_PTT_MAX
46};
47
48/* @@@TMP - in earlier versions of the emulation, the HW lock started from 1
49 * instead of 0, this should be fixed in later HW versions.
50 */
51#ifndef MISC_REG_DRIVER_CONTROL_0
52#define MISC_REG_DRIVER_CONTROL_0	MISC_REG_DRIVER_CONTROL_1
53#endif
54#ifndef MISC_REG_DRIVER_CONTROL_0_SIZE
55#define MISC_REG_DRIVER_CONTROL_0_SIZE	MISC_REG_DRIVER_CONTROL_1_SIZE
56#endif
57
58enum _dmae_cmd_dst_mask {
59	DMAE_CMD_DST_MASK_NONE = 0,
60	DMAE_CMD_DST_MASK_PCIE = 1,
61	DMAE_CMD_DST_MASK_GRC = 2
62};
63
64enum _dmae_cmd_src_mask {
65	DMAE_CMD_SRC_MASK_PCIE = 0,
66	DMAE_CMD_SRC_MASK_GRC = 1
67};
68
69enum _dmae_cmd_crc_mask {
70	DMAE_CMD_COMP_CRC_EN_MASK_NONE = 0,
71	DMAE_CMD_COMP_CRC_EN_MASK_SET = 1
72};
73
74/* definitions for DMA constants */
75#define DMAE_GO_VALUE	0x1
76
77#ifdef __BIG_ENDIAN
78#define DMAE_COMPLETION_VAL	0xAED10000
79#define DMAE_CMD_ENDIANITY	0x3
80#else
81#define DMAE_COMPLETION_VAL	0xD1AE
82#define DMAE_CMD_ENDIANITY	0x2
83#endif
84
85#define DMAE_CMD_SIZE	14
86/* size of DMAE command structure to fill.. DMAE_CMD_SIZE-5 */
87#define DMAE_CMD_SIZE_TO_FILL	(DMAE_CMD_SIZE - 5)
88/* Minimum wait for dmae opertaion to complete 2 milliseconds */
89#define DMAE_MIN_WAIT_TIME	0x2
90#define DMAE_MAX_CLIENTS	32
91
92/**
93 * @brief ecore_ptt_invalidate - Forces all ptt entries to be re-configured
94 *
95 * @param p_hwfn
96 */
97void ecore_ptt_invalidate(struct ecore_hwfn *p_hwfn);
98
99/**
100 * @brief ecore_ptt_pool_alloc - Allocate and initialize PTT pool
101 *
102 * @param p_hwfn
103 *
104 * @return _ecore_status_t - success (0), negative - error.
105 */
106enum _ecore_status_t ecore_ptt_pool_alloc(struct ecore_hwfn *p_hwfn);
107
108/**
109 * @brief ecore_ptt_pool_free -
110 *
111 * @param p_hwfn
112 */
113void ecore_ptt_pool_free(struct ecore_hwfn *p_hwfn);
114
115/**
116 * @brief ecore_ptt_get_bar_addr - Get PPT's external BAR address
117 *
118 * @param p_hwfn
119 * @param p_ptt
120 *
121 * @return u32
122 */
123u32 ecore_ptt_get_bar_addr(struct ecore_ptt	*p_ptt);
124
125/**
126 * @brief ecore_ptt_set_win - Set PTT Window's GRC BAR address
127 *
128 * @param p_hwfn
129 * @param new_hw_addr
130 * @param p_ptt
131 */
132void ecore_ptt_set_win(struct ecore_hwfn	*p_hwfn,
133		       struct ecore_ptt		*p_ptt,
134		       u32			new_hw_addr);
135
136/**
137 * @brief ecore_get_reserved_ptt - Get a specific reserved PTT
138 *
139 * @param p_hwfn
140 * @param ptt_idx
141 *
142 * @return struct ecore_ptt *
143 */
144struct ecore_ptt *ecore_get_reserved_ptt(struct ecore_hwfn	*p_hwfn,
145					 enum reserved_ptts	ptt_idx);
146
147/**
148 * @brief ecore_wr - Write value to BAR using the given ptt
149 *
150 * @param p_hwfn
151 * @param p_ptt
152 * @param hw_addr
153 * @param val
154 */
155void ecore_wr(struct ecore_hwfn	*p_hwfn,
156	      struct ecore_ptt	*p_ptt,
157	      u32		hw_addr,
158	      u32		val);
159
160/**
161 * @brief ecore_rd - Read value from BAR using the given ptt
162 *
163 * @param p_hwfn
164 * @param p_ptt
165 * @param hw_addr
166 */
167u32 ecore_rd(struct ecore_hwfn	*p_hwfn,
168	     struct ecore_ptt	*p_ptt,
169	     u32		hw_addr);
170
171/**
172 * @brief ecore_memcpy_from - copy n bytes from BAR using the given
173 *        ptt
174 *
175 * @param p_hwfn
176 * @param p_ptt
177 * @param dest
178 * @param hw_addr
179 * @param n
180 */
181void ecore_memcpy_from(struct ecore_hwfn	*p_hwfn,
182		       struct ecore_ptt		*p_ptt,
183		       void			*dest,
184		       u32			hw_addr,
185		       osal_size_t		n);
186
187/**
188 * @brief ecore_memcpy_to - copy n bytes to BAR using the given
189 *        ptt
190 *
191 * @param p_hwfn
192 * @param p_ptt
193 * @param hw_addr
194 * @param src
195 * @param n
196 */
197void ecore_memcpy_to(struct ecore_hwfn	*p_hwfn,
198		     struct ecore_ptt	*p_ptt,
199		     u32		hw_addr,
200		     void		*src,
201		     osal_size_t	n);
202/**
203 * @brief ecore_fid_pretend - pretend to another function when
204 *        accessing the ptt window. There is no way to unpretend
205 *        a function. The only way to cancel a pretend is to
206 *        pretend back to the original function.
207 *
208 * @param p_hwfn
209 * @param p_ptt
210 * @param fid - fid field of pxp_pretend structure. Can contain
211 *            either pf / vf, port/path fields are don't care.
212 */
213void ecore_fid_pretend(struct ecore_hwfn	*p_hwfn,
214		       struct ecore_ptt		*p_ptt,
215		       u16			fid);
216
217/**
218 * @brief ecore_port_pretend - pretend to another port when
219 *        accessing the ptt window
220 *
221 * @param p_hwfn
222 * @param p_ptt
223 * @param port_id - the port to pretend to
224 */
225void ecore_port_pretend(struct ecore_hwfn	*p_hwfn,
226			struct ecore_ptt	*p_ptt,
227			u8			port_id);
228
229/**
230 * @brief ecore_port_unpretend - cancel any previously set port
231 *        pretend
232 *
233 * @param p_hwfn
234 * @param p_ptt
235 */
236void ecore_port_unpretend(struct ecore_hwfn	*p_hwfn,
237			  struct ecore_ptt	*p_ptt);
238
239/**
240 * @brief ecore_vfid_to_concrete - build a concrete FID for a
241 *        given VF ID
242 *
243 * @param p_hwfn
244 * @param p_ptt
245 * @param vfid
246 */
247u32 ecore_vfid_to_concrete(struct ecore_hwfn *p_hwfn, u8 vfid);
248
249/**
250* @brief ecore_dmae_info_alloc - Init the dmae_info structure
251* which is part of p_hwfn.
252* @param p_hwfn
253*/
254enum _ecore_status_t ecore_dmae_info_alloc(struct ecore_hwfn	*p_hwfn);
255
256/**
257* @brief ecore_dmae_info_free - Free the dmae_info structure
258* which is part of p_hwfn
259*
260* @param p_hwfn
261*/
262void ecore_dmae_info_free(struct ecore_hwfn	*p_hwfn);
263
264enum _ecore_status_t ecore_init_fw_data(struct ecore_dev *p_dev,
265					const u8 *fw_data);
266
267void ecore_hw_err_notify(struct ecore_hwfn *p_hwfn,
268			 enum ecore_hw_err_type err_type);
269
270enum _ecore_status_t ecore_dmae_sanity(struct ecore_hwfn *p_hwfn,
271				       struct ecore_ptt *p_ptt,
272				       const char *phase);
273
274/**
275 * @brief ecore_ppfid_wr - Write value to BAR using the given ptt while
276 *	pretending to a PF to which the given PPFID pertains.
277 *
278 * @param p_hwfn
279 * @param p_ptt
280 * @param abs_ppfid
281 * @param hw_addr
282 * @param val
283 */
284void ecore_ppfid_wr(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
285		    u8 abs_ppfid, u32 hw_addr, u32 val);
286
287/**
288 * @brief ecore_ppfid_rd - Read value from BAR using the given ptt while
289 *	 pretending to a PF to which the given PPFID pertains.
290 *
291 * @param p_hwfn
292 * @param p_ptt
293 * @param abs_ppfid
294 * @param hw_addr
295 */
296u32 ecore_ppfid_rd(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
297		   u8 abs_ppfid, u32 hw_addr);
298
299#endif /* __ECORE_HW_H__ */
300