1 // SPDX-License-Identifier: GPL-2.0
2 
3 /* Copyright (C) 2022 Linaro Ltd. */
4 
5 #include <linux/log2.h>
6 
7 #include "../gsi.h"
8 #include "../ipa_data.h"
9 #include "../ipa_endpoint.h"
10 #include "../ipa_mem.h"
11 
12 /** enum ipa_resource_type - IPA resource types for an SoC having IPA v4.7 */
13 enum ipa_resource_type {
14 	/* Source resource types; first must have value 0 */
15 	IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS		= 0,
16 	IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS,
17 	IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF,
18 	IPA_RESOURCE_TYPE_SRC_HPS_DMARS,
19 	IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES,
20 
21 	/* Destination resource types; first must have value 0 */
22 	IPA_RESOURCE_TYPE_DST_DATA_SECTORS		= 0,
23 	IPA_RESOURCE_TYPE_DST_DPS_DMARS,
24 };
25 
26 /* Resource groups used for an SoC having IPA v4.7 */
27 enum ipa_rsrc_group_id {
28 	/* Source resource group identifiers */
29 	IPA_RSRC_GROUP_SRC_UL_DL			= 0,
30 	IPA_RSRC_GROUP_SRC_UC_RX_Q,
31 	IPA_RSRC_GROUP_SRC_COUNT,	/* Last in set; not a source group */
32 
33 	/* Destination resource group identifiers */
34 	IPA_RSRC_GROUP_DST_UL_DL_DPL			= 0,
35 	IPA_RSRC_GROUP_DST_UNUSED_1,
36 	IPA_RSRC_GROUP_DST_COUNT,	/* Last; not a destination group */
37 };
38 
39 /* QSB configuration data for an SoC having IPA v4.7 */
40 static const struct ipa_qsb_data ipa_qsb_data[] = {
41 	[IPA_QSB_MASTER_DDR] = {
42 		.max_writes		= 8,
43 		.max_reads		= 0,	/* no limit (hardware max) */
44 		.max_reads_beats	= 120,
45 	},
46 };
47 
48 /* Endpoint configuration data for an SoC having IPA v4.7 */
49 static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
50 	[IPA_ENDPOINT_AP_COMMAND_TX] = {
51 		.ee_id		= GSI_EE_AP,
52 		.channel_id	= 5,
53 		.endpoint_id	= 7,
54 		.toward_ipa	= true,
55 		.channel = {
56 			.tre_count	= 256,
57 			.event_count	= 256,
58 			.tlv_count	= 20,
59 		},
60 		.endpoint = {
61 			.config = {
62 				.resource_group	= IPA_RSRC_GROUP_SRC_UL_DL,
63 				.dma_mode	= true,
64 				.dma_endpoint	= IPA_ENDPOINT_AP_LAN_RX,
65 				.tx = {
66 					.seq_type = IPA_SEQ_DMA,
67 				},
68 			},
69 		},
70 	},
71 	[IPA_ENDPOINT_AP_LAN_RX] = {
72 		.ee_id		= GSI_EE_AP,
73 		.channel_id	= 14,
74 		.endpoint_id	= 9,
75 		.toward_ipa	= false,
76 		.channel = {
77 			.tre_count	= 256,
78 			.event_count	= 256,
79 			.tlv_count	= 9,
80 		},
81 		.endpoint = {
82 			.config = {
83 				.resource_group	= IPA_RSRC_GROUP_DST_UL_DL_DPL,
84 				.aggregation	= true,
85 				.status_enable	= true,
86 				.rx = {
87 					.buffer_size	= 8192,
88 					.pad_align	= ilog2(sizeof(u32)),
89 					.aggr_time_limit = 500,
90 				},
91 			},
92 		},
93 	},
94 	[IPA_ENDPOINT_AP_MODEM_TX] = {
95 		.ee_id		= GSI_EE_AP,
96 		.channel_id	= 2,
97 		.endpoint_id	= 2,
98 		.toward_ipa	= true,
99 		.channel = {
100 			.tre_count	= 512,
101 			.event_count	= 512,
102 			.tlv_count	= 16,
103 		},
104 		.endpoint = {
105 			.filter_support	= true,
106 			.config = {
107 				.resource_group	= IPA_RSRC_GROUP_SRC_UL_DL,
108 				.qmap		= true,
109 				.status_enable	= true,
110 				.tx = {
111 					.seq_type = IPA_SEQ_2_PASS_SKIP_LAST_UC,
112 					.status_endpoint =
113 						IPA_ENDPOINT_MODEM_AP_RX,
114 				},
115 			},
116 		},
117 	},
118 	[IPA_ENDPOINT_AP_MODEM_RX] = {
119 		.ee_id		= GSI_EE_AP,
120 		.channel_id	= 7,
121 		.endpoint_id	= 16,
122 		.toward_ipa	= false,
123 		.channel = {
124 			.tre_count	= 256,
125 			.event_count	= 256,
126 			.tlv_count	= 9,
127 		},
128 		.endpoint = {
129 			.config = {
130 				.resource_group	= IPA_RSRC_GROUP_DST_UL_DL_DPL,
131 				.qmap		= true,
132 				.aggregation	= true,
133 				.rx = {
134 					.buffer_size	= 8192,
135 					.aggr_time_limit = 500,
136 					.aggr_close_eof	= true,
137 				},
138 			},
139 		},
140 	},
141 	[IPA_ENDPOINT_MODEM_AP_TX] = {
142 		.ee_id		= GSI_EE_MODEM,
143 		.channel_id	= 0,
144 		.endpoint_id	= 5,
145 		.toward_ipa	= true,
146 		.endpoint = {
147 			.filter_support	= true,
148 		},
149 	},
150 	[IPA_ENDPOINT_MODEM_AP_RX] = {
151 		.ee_id		= GSI_EE_MODEM,
152 		.channel_id	= 7,
153 		.endpoint_id	= 14,
154 		.toward_ipa	= false,
155 	},
156 	[IPA_ENDPOINT_MODEM_DL_NLO_TX] = {
157 		.ee_id		= GSI_EE_MODEM,
158 		.channel_id	= 2,
159 		.endpoint_id	= 8,
160 		.toward_ipa	= true,
161 		.endpoint = {
162 			.filter_support	= true,
163 		},
164 	},
165 };
166 
167 /* Source resource configuration data for an SoC having IPA v4.7 */
168 static const struct ipa_resource ipa_resource_src[] = {
169 	[IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS] = {
170 		.limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
171 			.min = 8,	.max = 8,
172 		},
173 	},
174 	[IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS] = {
175 		.limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
176 			.min = 8,	.max = 8,
177 		},
178 	},
179 	[IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF] = {
180 		.limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
181 			.min = 18,	.max = 18,
182 		},
183 	},
184 	[IPA_RESOURCE_TYPE_SRC_HPS_DMARS] = {
185 		.limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
186 			.min = 2,	.max = 2,
187 		},
188 	},
189 	[IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES] = {
190 		.limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
191 			.min = 15,	.max = 15,
192 		},
193 	},
194 };
195 
196 /* Destination resource configuration data for an SoC having IPA v4.7 */
197 static const struct ipa_resource ipa_resource_dst[] = {
198 	[IPA_RESOURCE_TYPE_DST_DATA_SECTORS] = {
199 		.limits[IPA_RSRC_GROUP_DST_UL_DL_DPL] = {
200 			.min = 7,	.max = 7,
201 		},
202 	},
203 	[IPA_RESOURCE_TYPE_DST_DPS_DMARS] = {
204 		.limits[IPA_RSRC_GROUP_DST_UL_DL_DPL] = {
205 			.min = 2,	.max = 2,
206 		},
207 	},
208 };
209 
210 /* Resource configuration data for an SoC having IPA v4.7 */
211 static const struct ipa_resource_data ipa_resource_data = {
212 	.rsrc_group_dst_count	= IPA_RSRC_GROUP_DST_COUNT,
213 	.rsrc_group_src_count	= IPA_RSRC_GROUP_SRC_COUNT,
214 	.resource_src_count	= ARRAY_SIZE(ipa_resource_src),
215 	.resource_src		= ipa_resource_src,
216 	.resource_dst_count	= ARRAY_SIZE(ipa_resource_dst),
217 	.resource_dst		= ipa_resource_dst,
218 };
219 
220 /* IPA-resident memory region data for an SoC having IPA v4.7 */
221 static const struct ipa_mem ipa_mem_local_data[] = {
222 	{
223 		.id		= IPA_MEM_UC_SHARED,
224 		.offset		= 0x0000,
225 		.size		= 0x0080,
226 		.canary_count	= 0,
227 	},
228 	{
229 		.id		= IPA_MEM_UC_INFO,
230 		.offset		= 0x0080,
231 		.size		= 0x0200,
232 		.canary_count	= 0,
233 	},
234 	{
235 		.id		= IPA_MEM_V4_FILTER_HASHED,
236 		.offset		= 0x0288,
237 		.size		= 0x0078,
238 		.canary_count	= 2,
239 	},
240 	{
241 		.id		= IPA_MEM_V4_FILTER,
242 		.offset		= 0x0308,
243 		.size		= 0x0078,
244 		.canary_count	= 2,
245 	},
246 	{
247 		.id		= IPA_MEM_V6_FILTER_HASHED,
248 		.offset		= 0x0388,
249 		.size		= 0x0078,
250 		.canary_count	= 2,
251 	},
252 	{
253 		.id		= IPA_MEM_V6_FILTER,
254 		.offset		= 0x0408,
255 		.size		= 0x0078,
256 		.canary_count	= 2,
257 	},
258 	{
259 		.id		= IPA_MEM_V4_ROUTE_HASHED,
260 		.offset		= 0x0488,
261 		.size		= 0x0078,
262 		.canary_count	= 2,
263 	},
264 	{
265 		.id		= IPA_MEM_V4_ROUTE,
266 		.offset		= 0x0508,
267 		.size		= 0x0078,
268 		.canary_count	= 2,
269 	},
270 	{
271 		.id		= IPA_MEM_V6_ROUTE_HASHED,
272 		.offset		= 0x0588,
273 		.size		= 0x0078,
274 		.canary_count	= 2,
275 	},
276 	{
277 		.id		= IPA_MEM_V6_ROUTE,
278 		.offset		= 0x0608,
279 		.size		= 0x0078,
280 		.canary_count	= 2,
281 	},
282 	{
283 		.id		= IPA_MEM_MODEM_HEADER,
284 		.offset		= 0x0688,
285 		.size		= 0x0240,
286 		.canary_count	= 2,
287 	},
288 	{
289 		.id		= IPA_MEM_AP_HEADER,
290 		.offset		= 0x08c8,
291 		.size		= 0x0200,
292 		.canary_count	= 0,
293 	},
294 	{
295 		.id		= IPA_MEM_MODEM_PROC_CTX,
296 		.offset		= 0x0ad0,
297 		.size		= 0x0200,
298 		.canary_count	= 2,
299 	},
300 	{
301 		.id		= IPA_MEM_AP_PROC_CTX,
302 		.offset		= 0x0cd0,
303 		.size		= 0x0200,
304 		.canary_count	= 0,
305 	},
306 	{
307 		.id		= IPA_MEM_NAT_TABLE,
308 		.offset		= 0x0ee0,
309 		.size		= 0x0d00,
310 		.canary_count	= 4,
311 	},
312 	{
313 		.id		= IPA_MEM_PDN_CONFIG,
314 		.offset		= 0x1be8,
315 		.size		= 0x0050,
316 		.canary_count	= 0,
317 	},
318 	{
319 		.id		= IPA_MEM_STATS_QUOTA_MODEM,
320 		.offset		= 0x1c40,
321 		.size		= 0x0030,
322 		.canary_count	= 4,
323 	},
324 	{
325 		.id		= IPA_MEM_STATS_QUOTA_AP,
326 		.offset		= 0x1c70,
327 		.size		= 0x0048,
328 		.canary_count	= 0,
329 	},
330 	{
331 		.id		= IPA_MEM_STATS_TETHERING,
332 		.offset		= 0x1cb8,
333 		.size		= 0x0238,
334 		.canary_count	= 0,
335 	},
336 	{
337 		.id		= IPA_MEM_STATS_DROP,
338 		.offset		= 0x1ef0,
339 		.size		= 0x0020,
340 		.canary_count	= 0,
341 	},
342 	{
343 		.id		= IPA_MEM_MODEM,
344 		.offset		= 0x1f18,
345 		.size		= 0x100c,
346 		.canary_count	= 2,
347 	},
348 	{
349 		.id		= IPA_MEM_END_MARKER,
350 		.offset		= 0x3000,
351 		.size		= 0x0000,
352 		.canary_count	= 1,
353 	},
354 };
355 
356 /* Memory configuration data for an SoC having IPA v4.7 */
357 static const struct ipa_mem_data ipa_mem_data = {
358 	.local_count	= ARRAY_SIZE(ipa_mem_local_data),
359 	.local		= ipa_mem_local_data,
360 	.imem_addr	= 0x146a8000,
361 	.imem_size	= 0x00002000,
362 	.smem_id	= 497,
363 	.smem_size	= 0x00009000,
364 };
365 
366 /* Interconnect rates are in 1000 byte/second units */
367 static const struct ipa_interconnect_data ipa_interconnect_data[] = {
368 	{
369 		.name			= "memory",
370 		.peak_bandwidth		= 600000,	/* 600 MBps */
371 		.average_bandwidth	= 150000,	/* 150 MBps */
372 	},
373 	/* Average rate is unused for the next two interconnects */
374 	{
375 		.name			= "imem",
376 		.peak_bandwidth		= 450000,	/* 450 MBps */
377 		.average_bandwidth	= 75000,	/* 75 MBps (unused?) */
378 	},
379 	{
380 		.name			= "config",
381 		.peak_bandwidth		= 171400,	/* 171.4 MBps */
382 		.average_bandwidth	= 0,		/* unused */
383 	},
384 };
385 
386 /* Clock and interconnect configuration data for an SoC having IPA v4.7 */
387 static const struct ipa_power_data ipa_power_data = {
388 	/* XXX Downstream code says 150 MHz (DT SVS2), 60 MHz (code) */
389 	.core_clock_rate	= 100 * 1000 * 1000,	/* Hz (150?  60?) */
390 	.interconnect_count	= ARRAY_SIZE(ipa_interconnect_data),
391 	.interconnect_data	= ipa_interconnect_data,
392 };
393 
394 /* Configuration data for an SoC having IPA v4.7 */
395 const struct ipa_data ipa_data_v4_7 = {
396 	.version		= IPA_VERSION_4_7,
397 	.qsb_count		= ARRAY_SIZE(ipa_qsb_data),
398 	.qsb_data		= ipa_qsb_data,
399 	.modem_route_count	= 8,
400 	.endpoint_count		= ARRAY_SIZE(ipa_gsi_endpoint_data),
401 	.endpoint_data		= ipa_gsi_endpoint_data,
402 	.resource_data		= &ipa_resource_data,
403 	.mem_data		= &ipa_mem_data,
404 	.power_data		= &ipa_power_data,
405 };
406