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drm/amd/display: Return the correct HDCP error code
[thirdparty/linux.git] / drivers / gpu / drm / amd / display / modules / hdcp / hdcp_psp.c
CommitLineData
411491fb
BL		 1/*
2 * Copyright 2018 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25
26#define MAX_NUM_DISPLAYS 24
27
28
29#include "hdcp.h"
30
31#include "amdgpu.h"
32#include "hdcp_psp.h"
33
11a00965
BL		 34static void hdcp2_message_init(struct mod_hdcp *hdcp,
35 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *in)
36{
37 in->session_handle = hdcp->auth.id;
38 in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
39 in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
40 in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
41 in->process.msg1_desc.msg_size = 0;
42 in->process.msg2_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
43 in->process.msg2_desc.msg_size = 0;
44 in->process.msg3_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
f706ec87 45 in->process.msg3_desc.msg_size = 0;
11a00965 46}
8fe44c08 47
7ac851bc 48static enum mod_hdcp_status remove_display_from_topology_v2(
bf62221e 49 struct mod_hdcp *hdcp, uint8_t index)
bf62221e
NK		 50{
51 struct psp_context *psp = hdcp->config.psp.handle;
52 struct ta_dtm_shared_memory *dtm_cmd;
9124ee78
WL		 53 struct mod_hdcp_display *display =
54 get_active_display_at_index(hdcp, index);
8913f7ff 55 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 56
ce97f37b 57 dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
411491fb 58
2deade5e 59 if (!display || !is_display_active(display))
9124ee78 60 return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
411491fb 61
8913f7ff
BL		 62 mutex_lock(&psp->dtm_context.mutex);
63
9124ee78 64 memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
411491fb 65
9124ee78
WL		 66 dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
67 dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index;
68 dtm_cmd->dtm_in_message.topology_update_v2.is_active = 0;
69 dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
411491fb 70
9124ee78 71 psp_dtm_invoke(psp, dtm_cmd->cmd_id);
411491fb 72
8913f7ff
BL		 73 if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
74 status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
75 } else {
76 display->state = MOD_HDCP_DISPLAY_ACTIVE;
77 HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
78 }
411491fb 79
8913f7ff
BL		 80 mutex_unlock(&psp->dtm_context.mutex);
81 return status;
58edb079 82}
8fe44c08 83
7ac851bc 84static enum mod_hdcp_status remove_display_from_topology_v3(
bf62221e
NK		 85 struct mod_hdcp *hdcp, uint8_t index)
86{
87 struct psp_context *psp = hdcp->config.psp.handle;
88 struct ta_dtm_shared_memory *dtm_cmd;
89 struct mod_hdcp_display *display =
90 get_active_display_at_index(hdcp, index);
91 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
92
ce97f37b 93 dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
bf62221e
NK		 94
95 if (!display || !is_display_active(display))
96 return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
97
98 mutex_lock(&psp->dtm_context.mutex);
99
100 memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
101
102 dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V3;
103 dtm_cmd->dtm_in_message.topology_update_v3.display_handle = display->index;
104 dtm_cmd->dtm_in_message.topology_update_v3.is_active = 0;
105 dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
106
107 psp_dtm_invoke(psp, dtm_cmd->cmd_id);
ad76744b 108 mutex_unlock(&psp->dtm_context.mutex);
bf62221e
NK		 109
110 if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
7ac851bc 111 status = remove_display_from_topology_v2(hdcp, index);
bf62221e
NK		 112 if (status != MOD_HDCP_STATUS_SUCCESS)
113 display->state = MOD_HDCP_DISPLAY_INACTIVE;
114 } else {
115 display->state = MOD_HDCP_DISPLAY_ACTIVE;
116 HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
117 }
118
bf62221e
NK		 119 return status;
120}
121
7ac851bc 122static enum mod_hdcp_status add_display_to_topology_v2(
bf62221e 123 struct mod_hdcp *hdcp, struct mod_hdcp_display *display)
411491fb
BL		 124{
125 struct psp_context *psp = hdcp->config.psp.handle;
126 struct ta_dtm_shared_memory *dtm_cmd;
411491fb 127 struct mod_hdcp_link *link = &hdcp->connection.link;
8913f7ff 128 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 129
ce97f37b 130 if (!psp->dtm_context.context.initialized) {
4cdd7b33 131 DRM_INFO("Failed to add display topology, DTM TA is not initialized.");
2deade5e 132 display->state = MOD_HDCP_DISPLAY_INACTIVE;
411491fb
BL		 133 return MOD_HDCP_STATUS_FAILURE;
134 }
135
ce97f37b 136 dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
411491fb 137
8913f7ff 138 mutex_lock(&psp->dtm_context.mutex);
9124ee78 139 memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
411491fb 140
9124ee78
WL		 141 dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
142 dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index;
143 dtm_cmd->dtm_in_message.topology_update_v2.is_active = 1;
144 dtm_cmd->dtm_in_message.topology_update_v2.controller = display->controller;
145 dtm_cmd->dtm_in_message.topology_update_v2.ddc_line = link->ddc_line;
146 dtm_cmd->dtm_in_message.topology_update_v2.dig_be = link->dig_be;
147 dtm_cmd->dtm_in_message.topology_update_v2.dig_fe = display->dig_fe;
148 if (is_dp_hdcp(hdcp))
aac6d439 149 dtm_cmd->dtm_in_message.topology_update_v2.is_assr = link->dp.assr_enabled;
9124ee78
WL		 150
151 dtm_cmd->dtm_in_message.topology_update_v2.dp_mst_vcid = display->vc_id;
152 dtm_cmd->dtm_in_message.topology_update_v2.max_hdcp_supported_version =
153 TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_2;
154 dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
155
156 psp_dtm_invoke(psp, dtm_cmd->cmd_id);
157
8913f7ff 158 if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
2deade5e 159 display->state = MOD_HDCP_DISPLAY_INACTIVE;
8913f7ff
BL		 160 status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
161 } else {
8913f7ff
BL		 162 HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
163 }
b45f9a3e 164
8913f7ff
BL		 165 mutex_unlock(&psp->dtm_context.mutex);
166 return status;
411491fb
BL		 167}
168
7ac851bc 169static enum mod_hdcp_status add_display_to_topology_v3(
bf62221e
NK		 170 struct mod_hdcp *hdcp, struct mod_hdcp_display *display)
171{
172 struct psp_context *psp = hdcp->config.psp.handle;
173 struct ta_dtm_shared_memory *dtm_cmd;
174 struct mod_hdcp_link *link = &hdcp->connection.link;
175 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
176
ce97f37b 177 if (!psp->dtm_context.context.initialized) {
bf62221e
NK		 178 DRM_INFO("Failed to add display topology, DTM TA is not initialized.");
179 display->state = MOD_HDCP_DISPLAY_INACTIVE;
180 return MOD_HDCP_STATUS_FAILURE;
181 }
182
ce97f37b 183 dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
bf62221e
NK		 184
185 mutex_lock(&psp->dtm_context.mutex);
186 memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
187
188 dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V3;
189 dtm_cmd->dtm_in_message.topology_update_v3.display_handle = display->index;
190 dtm_cmd->dtm_in_message.topology_update_v3.is_active = 1;
191 dtm_cmd->dtm_in_message.topology_update_v3.controller = display->controller;
192 dtm_cmd->dtm_in_message.topology_update_v3.ddc_line = link->ddc_line;
193 dtm_cmd->dtm_in_message.topology_update_v3.link_enc = link->link_enc_idx;
194 dtm_cmd->dtm_in_message.topology_update_v3.stream_enc = display->stream_enc_idx;
195 if (is_dp_hdcp(hdcp))
196 dtm_cmd->dtm_in_message.topology_update_v3.is_assr = link->dp.assr_enabled;
197
198 dtm_cmd->dtm_in_message.topology_update_v3.dp_mst_vcid = display->vc_id;
199 dtm_cmd->dtm_in_message.topology_update_v3.max_hdcp_supported_version =
200 TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_3;
201 dtm_cmd->dtm_in_message.topology_update_v3.encoder_type = TA_DTM_ENCODER_TYPE__DIG;
202 dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
203 dtm_cmd->dtm_in_message.topology_update_v3.phy_id = link->phy_idx;
204 dtm_cmd->dtm_in_message.topology_update_v3.link_hdcp_cap = link->hdcp_supported_informational;
f51d22b0
QZ		 205 dtm_cmd->dtm_in_message.topology_update_v3.dio_output_type = link->dp.usb4_enabled ?
206 TA_DTM_DIO_OUTPUT_TYPE__DPIA :
207 TA_DTM_DIO_OUTPUT_TYPE__DIRECT;
208 dtm_cmd->dtm_in_message.topology_update_v3.dio_output_id = link->dio_output_id;
bf62221e
NK		 209
210 psp_dtm_invoke(psp, dtm_cmd->cmd_id);
ad76744b 211 mutex_unlock(&psp->dtm_context.mutex);
bf62221e
NK		 212
213 if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
7ac851bc 214 status = add_display_to_topology_v2(hdcp, display);
bf62221e
NK		 215 if (status != MOD_HDCP_STATUS_SUCCESS)
216 display->state = MOD_HDCP_DISPLAY_INACTIVE;
217 } else {
218 HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
219 }
220
bf62221e
NK		 221 return status;
222}
223
7ac851bc
WL		 224enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
225 struct mod_hdcp *hdcp, uint8_t index)
226{
227 enum mod_hdcp_status status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
228
229 if (hdcp->config.psp.caps.dtm_v3_supported)
230 status = remove_display_from_topology_v3(hdcp, index);
231 else
232 status = remove_display_from_topology_v2(hdcp, index);
233
234 return status;
235}
236
bf62221e
NK		 237enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
238 struct mod_hdcp_display *display)
239{
240 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
241
242 if (hdcp->config.psp.caps.dtm_v3_supported)
7ac851bc 243 status = add_display_to_topology_v3(hdcp, display);
bf62221e 244 else
7ac851bc 245 status = add_display_to_topology_v2(hdcp, display);
bf62221e
NK		 246
247 return status;
248}
8fe44c08 249
411491fb
BL		 250enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
251{
252
253 struct psp_context *psp = hdcp->config.psp.handle;
2deade5e 254 struct mod_hdcp_display *display = get_first_active_display(hdcp);
411491fb 255 struct ta_hdcp_shared_memory *hdcp_cmd;
8913f7ff 256 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 257
ce97f37b 258 if (!psp->hdcp_context.context.initialized) {
411491fb
BL		 259 DRM_ERROR("Failed to create hdcp session. HDCP TA is not initialized.");
260 return MOD_HDCP_STATUS_FAILURE;
261 }
262
ce97f37b 263 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
8913f7ff
BL		 264
265 mutex_lock(&psp->hdcp_context.mutex);
411491fb
BL		 266 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
267
268 hdcp_cmd->in_msg.hdcp1_create_session.display_handle = display->index;
269 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_CREATE_SESSION;
270
271 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
272
52c7423c
BL		 273 hdcp->auth.id = hdcp_cmd->out_msg.hdcp1_create_session.session_handle;
274
8913f7ff
BL		 275 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
276 status = MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE;
277 } else {
278 hdcp->auth.msg.hdcp1.ainfo = hdcp_cmd->out_msg.hdcp1_create_session.ainfo_primary;
279 memcpy(hdcp->auth.msg.hdcp1.aksv, hdcp_cmd->out_msg.hdcp1_create_session.aksv_primary,
280 sizeof(hdcp->auth.msg.hdcp1.aksv));
281 memcpy(hdcp->auth.msg.hdcp1.an, hdcp_cmd->out_msg.hdcp1_create_session.an_primary,
282 sizeof(hdcp->auth.msg.hdcp1.an));
283 }
411491fb 284
8913f7ff
BL		 285 mutex_unlock(&psp->hdcp_context.mutex);
286 return status;
411491fb
BL		 287}
288
289enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
290{
291
292 struct psp_context *psp = hdcp->config.psp.handle;
293 struct ta_hdcp_shared_memory *hdcp_cmd;
9124ee78 294 uint8_t i = 0;
8913f7ff 295 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 296
8913f7ff 297 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 298 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
411491fb
BL		 299 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
300
301 hdcp_cmd->in_msg.hdcp1_destroy_session.session_handle = hdcp->auth.id;
302 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_DESTROY_SESSION;
303
304 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
305
8913f7ff
BL		 306 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
307 status = MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE;
308 } else {
309 HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp);
310 for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
311 if (is_display_encryption_enabled(&hdcp->displays[i])) {
312 hdcp->displays[i].state =
2deade5e 313 MOD_HDCP_DISPLAY_ACTIVE;
8913f7ff
BL		 314 HDCP_HDCP1_DISABLED_TRACE(
315 hdcp, hdcp->displays[i].index);
316 }
317 }
411491fb 318
8913f7ff
BL		 319 mutex_unlock(&psp->hdcp_context.mutex);
320 return status;
411491fb
BL		 321}
322
323enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
324{
325 struct psp_context *psp = hdcp->config.psp.handle;
326 struct ta_hdcp_shared_memory *hdcp_cmd;
8913f7ff 327 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 328
8913f7ff 329 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 330 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
411491fb
BL		 331 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
332
333 hdcp_cmd->in_msg.hdcp1_first_part_authentication.session_handle = hdcp->auth.id;
334
335 memcpy(hdcp_cmd->in_msg.hdcp1_first_part_authentication.bksv_primary, hdcp->auth.msg.hdcp1.bksv,
336 TA_HDCP__HDCP1_KSV_SIZE);
337
338 hdcp_cmd->in_msg.hdcp1_first_part_authentication.r0_prime_primary = hdcp->auth.msg.hdcp1.r0p;
339 hdcp_cmd->in_msg.hdcp1_first_part_authentication.bcaps = hdcp->auth.msg.hdcp1.bcaps;
340 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_FIRST_PART_AUTHENTICATION;
341
342 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
343
8913f7ff
BL		 344 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
345 status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
346 } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
411491fb
BL		 347 TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE) {
348 /* needs second part of authentication */
349 hdcp->connection.is_repeater = 1;
350 } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
351 TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED) {
352 hdcp->connection.is_repeater = 0;
c17f7220
BL		 353 } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
354 TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) {
355 hdcp->connection.is_hdcp1_revoked = 1;
8913f7ff 356 status = MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED;
411491fb 357 } else
8913f7ff 358 status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
411491fb 359
8913f7ff
BL		 360 mutex_unlock(&psp->hdcp_context.mutex);
361 return status;
411491fb
BL		 362}
363
364enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
365{
366 struct psp_context *psp = hdcp->config.psp.handle;
367 struct ta_hdcp_shared_memory *hdcp_cmd;
2deade5e 368 struct mod_hdcp_display *display = get_first_active_display(hdcp);
8913f7ff 369 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 370
8913f7ff 371 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 372 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
411491fb
BL		 373 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
374
375 hdcp_cmd->in_msg.hdcp1_enable_encryption.session_handle = hdcp->auth.id;
376 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_ENCRYPTION;
377
378 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
379
8913f7ff 380 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
49c4a8b6 381 status = MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE;
8913f7ff 382 } else if (!is_dp_mst_hdcp(hdcp)) {
411491fb
BL		 383 display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
384 HDCP_HDCP1_ENABLED_TRACE(hdcp, display->index);
385 }
8913f7ff
BL		 386
387 mutex_unlock(&psp->hdcp_context.mutex);
388 return status;
411491fb
BL		 389}
390
391enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
392{
393 struct psp_context *psp = hdcp->config.psp.handle;
394 struct ta_hdcp_shared_memory *hdcp_cmd;
c17f7220 395 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 396
8913f7ff 397 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 398 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
411491fb
BL		 399 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
400
401 hdcp_cmd->in_msg.hdcp1_second_part_authentication.session_handle = hdcp->auth.id;
402
403 hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list_size = hdcp->auth.msg.hdcp1.ksvlist_size;
404 memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list, hdcp->auth.msg.hdcp1.ksvlist,
405 hdcp->auth.msg.hdcp1.ksvlist_size);
406
407 memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.v_prime, hdcp->auth.msg.hdcp1.vp,
408 sizeof(hdcp->auth.msg.hdcp1.vp));
409
410 hdcp_cmd->in_msg.hdcp1_second_part_authentication.bstatus_binfo =
411 is_dp_hdcp(hdcp) ? hdcp->auth.msg.hdcp1.binfo_dp : hdcp->auth.msg.hdcp1.bstatus;
412 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_SECOND_PART_AUTHENTICATION;
413
414 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
415
c17f7220
BL		 416 if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS &&
417 hdcp_cmd->out_msg.hdcp1_second_part_authentication.authentication_status ==
418 TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED) {
419 status = MOD_HDCP_STATUS_SUCCESS;
420 } else if (hdcp_cmd->out_msg.hdcp1_second_part_authentication.authentication_status ==
421 TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) {
422 hdcp->connection.is_hdcp1_revoked = 1;
423 status = MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED;
424 } else {
425 status = MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE;
426 }
411491fb 427
8913f7ff 428 mutex_unlock(&psp->hdcp_context.mutex);
c17f7220 429 return status;
411491fb
BL		 430}
431
432enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp *hdcp)
433{
434
435 struct psp_context *psp = hdcp->config.psp.handle;
436 struct ta_hdcp_shared_memory *hdcp_cmd;
437 int i = 0;
8913f7ff 438 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 439
8913f7ff 440 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 441 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
411491fb
BL		 442
443 for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
444
2deade5e 445 if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
f28390cd 446 continue;
411491fb
BL		 447
448 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
449
450 hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.session_handle = hdcp->auth.id;
a09f8e29 451 hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index;
411491fb
BL		 452 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_DP_STREAM_ENCRYPTION;
453
454 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
455
8913f7ff
BL		 456 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
457 status = MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE;
458 break;
459 }
411491fb 460
a09f8e29
IZ		 461 hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
462 HDCP_HDCP1_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
411491fb
BL		 463 }
464
8913f7ff
BL		 465 mutex_unlock(&psp->hdcp_context.mutex);
466 return status;
411491fb
BL		 467}
468
469enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp)
470{
471 struct psp_context *psp = hdcp->config.psp.handle;
472 struct ta_hdcp_shared_memory *hdcp_cmd;
8913f7ff 473 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
411491fb 474
8913f7ff 475 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 476 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
411491fb
BL		 477
478 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
479
480 hdcp_cmd->in_msg.hdcp1_get_encryption_status.session_handle = hdcp->auth.id;
481
482 hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level = 0;
483 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_GET_ENCRYPTION_STATUS;
484
485 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
486
8913f7ff
BL		 487 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
488 hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level != 1)
489 status = MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
411491fb 490
8913f7ff
BL		 491 mutex_unlock(&psp->hdcp_context.mutex);
492 return status;
411491fb
BL		 493}
494
11a00965
BL		 495enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
496{
497 struct psp_context *psp = hdcp->config.psp.handle;
498 struct ta_hdcp_shared_memory *hdcp_cmd;
2deade5e 499 struct mod_hdcp_display *display = get_first_active_display(hdcp);
8913f7ff
BL		 500 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
501
11a00965 502
ce97f37b 503 if (!psp->hdcp_context.context.initialized) {
11a00965
BL		 504 DRM_ERROR("Failed to create hdcp session, HDCP TA is not initialized");
505 return MOD_HDCP_STATUS_FAILURE;
506 }
507
11a00965
BL		 508 if (!display)
509 return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
510
8913f7ff
BL		 511 mutex_lock(&psp->hdcp_context.mutex);
512
ce97f37b 513 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
8913f7ff
BL		 514 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
515
e64b3f55
RS		 516 if (!display)
517 return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
518
11a00965
BL		 519 hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
520
23eb4191 521 if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
11a00965
BL		 522 hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
523 TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE0;
23eb4191
BL		 524 else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_1)
525 hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
526 TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE1;
527 else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_MAX)
11a00965
BL		 528 hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
529 TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__MAX_SUPPORTED;
530
531 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_CREATE_SESSION_V2;
532
533 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
534
11a00965 535
8913f7ff
BL		 536 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
537 status = MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE;
538 else
539 hdcp->auth.id = hdcp_cmd->out_msg.hdcp2_create_session_v2.session_handle;
11a00965 540
8913f7ff
BL		 541 mutex_unlock(&psp->hdcp_context.mutex);
542 return status;
11a00965
BL		 543}
544
545enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
546{
547 struct psp_context *psp = hdcp->config.psp.handle;
548 struct ta_hdcp_shared_memory *hdcp_cmd;
9124ee78 549 uint8_t i = 0;
8913f7ff 550 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 551
8913f7ff 552 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 553 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 554 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
555
556 hdcp_cmd->in_msg.hdcp2_destroy_session.session_handle = hdcp->auth.id;
557 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_DESTROY_SESSION;
558
559 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
560
8913f7ff
BL		 561 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
562 status = MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE;
563 } else {
564 HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp);
565 for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
566 if (is_display_encryption_enabled(&hdcp->displays[i])) {
567 hdcp->displays[i].state =
2deade5e 568 MOD_HDCP_DISPLAY_ACTIVE;
8913f7ff
BL		 569 HDCP_HDCP2_DISABLED_TRACE(
570 hdcp, hdcp->displays[i].index);
571 }
572 }
46df9931 573
8913f7ff
BL		 574 mutex_unlock(&psp->hdcp_context.mutex);
575 return status;
11a00965
BL		 576}
577
578enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
579{
580 struct psp_context *psp = hdcp->config.psp.handle;
581 struct ta_hdcp_shared_memory *hdcp_cmd;
582 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
583 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 584 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 585
8913f7ff 586 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 587 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 588 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
589
590 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
591 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
592
593 hdcp2_message_init(hdcp, msg_in);
594
595 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
596 msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__AKE_INIT;
597
598 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
599
600 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
8913f7ff
BL		 601 status = MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE;
602 else
603 memcpy(&hdcp->auth.msg.hdcp2.ake_init[0], &msg_out->prepare.transmitter_message[0],
604 sizeof(hdcp->auth.msg.hdcp2.ake_init));
11a00965 605
8913f7ff
BL		 606 mutex_unlock(&psp->hdcp_context.mutex);
607 return status;
11a00965
BL		 608}
609
610enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
611{
612 struct psp_context *psp = hdcp->config.psp.handle;
613 struct ta_hdcp_shared_memory *hdcp_cmd;
614 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
615 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 616 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 617
8913f7ff 618 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 619 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 620 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
621
622 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
623 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
624
625 hdcp2_message_init(hdcp, msg_in);
626
627 msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_CERT;
628 msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_CERT;
629
630 memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.ake_cert,
631 sizeof(hdcp->auth.msg.hdcp2.ake_cert));
632
633 msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__AKE_NO_STORED_KM;
634 msg_in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__AKE_STORED_KM;
635
636 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
637
638 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
639
8913f7ff
BL		 640 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
641 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
642 } else {
643 memcpy(hdcp->auth.msg.hdcp2.ake_no_stored_km,
644 &msg_out->prepare.transmitter_message[0],
645 sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
646
647 memcpy(hdcp->auth.msg.hdcp2.ake_stored_km,
648 &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)],
649 sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
650
651 if (msg_out->process.msg1_status ==
652 TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
653 hdcp->connection.is_km_stored =
654 msg_out->process.is_km_stored ? 1 : 0;
655 hdcp->connection.is_repeater =
656 msg_out->process.is_repeater ? 1 : 0;
657 status = MOD_HDCP_STATUS_SUCCESS;
658 } else if (msg_out->process.msg1_status ==
659 TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
660 hdcp->connection.is_hdcp2_revoked = 1;
661 status = MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED;
765ff7ad
QZ		 662 } else {
663 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
8913f7ff 664 }
11a00965 665 }
8913f7ff
BL		 666 mutex_unlock(&psp->hdcp_context.mutex);
667 return status;
11a00965
BL		 668}
669
670enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
671{
672 struct psp_context *psp = hdcp->config.psp.handle;
673 struct ta_hdcp_shared_memory *hdcp_cmd;
674 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
675 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 676 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 677
8913f7ff 678 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 679 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 680 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
681
682 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
683 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
684
685 hdcp2_message_init(hdcp, msg_in);
686
687 msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_H_PRIME;
688 msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_H_PRIME;
689
690 memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.ake_h_prime,
691 sizeof(hdcp->auth.msg.hdcp2.ake_h_prime));
692
693 if (!hdcp->connection.is_km_stored) {
694 msg_in->process.msg2_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_PAIRING_INFO;
695 msg_in->process.msg2_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_PAIRING_INFO;
696 memcpy(&msg_in->process.receiver_message[sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)],
697 hdcp->auth.msg.hdcp2.ake_pairing_info, sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info));
698 }
699
700 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
701
702 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
703
704 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
8913f7ff
BL		 705 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
706 else if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
707 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
11a00965 708 else if (!hdcp->connection.is_km_stored &&
8913f7ff
BL		 709 msg_out->process.msg2_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
710 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE;
11a00965 711
8913f7ff
BL		 712 mutex_unlock(&psp->hdcp_context.mutex);
713 return status;
11a00965
BL		 714}
715
716enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
717{
718 struct psp_context *psp = hdcp->config.psp.handle;
719 struct ta_hdcp_shared_memory *hdcp_cmd;
720 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
721 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 722 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 723
8913f7ff 724 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 725 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 726 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
727
728 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
729 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
730
731 hdcp2_message_init(hdcp, msg_in);
732
733 msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__LC_INIT;
734
735 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
736
737 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
738
739 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
8913f7ff
BL		 740 status = MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE;
741 else
742 memcpy(hdcp->auth.msg.hdcp2.lc_init, &msg_out->prepare.transmitter_message[0],
743 sizeof(hdcp->auth.msg.hdcp2.lc_init));
11a00965 744
8913f7ff
BL		 745 mutex_unlock(&psp->hdcp_context.mutex);
746 return status;
11a00965
BL		 747}
748
749enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
750{
751 struct psp_context *psp = hdcp->config.psp.handle;
752 struct ta_hdcp_shared_memory *hdcp_cmd;
753 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
754 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 755 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 756
8913f7ff 757 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 758 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 759 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
760
761 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
762 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
763
764 hdcp2_message_init(hdcp, msg_in);
765
766 msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__LC_SEND_L_PRIME;
767 msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__LC_SEND_L_PRIME;
768
769 memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.lc_l_prime,
770 sizeof(hdcp->auth.msg.hdcp2.lc_l_prime));
771
772 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
773
774 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
775
8913f7ff
BL		 776 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
777 msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
778 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
11a00965 779
8913f7ff
BL		 780 mutex_unlock(&psp->hdcp_context.mutex);
781 return status;
11a00965
BL		 782}
783
784enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
785{
786 struct psp_context *psp = hdcp->config.psp.handle;
787 struct ta_hdcp_shared_memory *hdcp_cmd;
788 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
789 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 790 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 791
8913f7ff 792 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 793 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 794 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
795
796 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
797 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
798
799 hdcp2_message_init(hdcp, msg_in);
800
801 msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__SKE_SEND_EKS;
802
803 if (is_dp_hdcp(hdcp))
804 msg_in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__SIGNAL_CONTENT_STREAM_TYPE_DP;
805
806 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
807 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
808
8913f7ff
BL		 809 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
810 status = MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE;
811 } else {
812 memcpy(hdcp->auth.msg.hdcp2.ske_eks,
813 &msg_out->prepare.transmitter_message[0],
814 sizeof(hdcp->auth.msg.hdcp2.ske_eks));
815 msg_out->prepare.msg1_desc.msg_size =
816 sizeof(hdcp->auth.msg.hdcp2.ske_eks);
817
818 if (is_dp_hdcp(hdcp)) {
819 memcpy(hdcp->auth.msg.hdcp2.content_stream_type_dp,
820 &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ske_eks)],
821 sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
822 }
11a00965 823 }
8913f7ff 824 mutex_unlock(&psp->hdcp_context.mutex);
11a00965 825
8913f7ff 826 return status;
11a00965
BL		 827}
828
829enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp)
830{
831 struct psp_context *psp = hdcp->config.psp.handle;
832 struct ta_hdcp_shared_memory *hdcp_cmd;
2deade5e 833 struct mod_hdcp_display *display = get_first_active_display(hdcp);
8913f7ff 834 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 835
11a00965
BL		 836 if (!display)
837 return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
838
8913f7ff
BL		 839 mutex_lock(&psp->hdcp_context.mutex);
840
ce97f37b 841 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
8913f7ff
BL		 842 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
843
4a9a4e3a 844 hdcp_cmd->in_msg.hdcp2_set_encryption.session_handle = hdcp->auth.id;
11a00965
BL		 845
846 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_SET_ENCRYPTION;
847 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
848
8913f7ff
BL		 849 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
850 status = MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE;
851 } else if (!is_dp_mst_hdcp(hdcp)) {
11a00965 852 display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
46df9931 853 HDCP_HDCP2_ENABLED_TRACE(hdcp, display->index);
11a00965
BL		 854 }
855
8913f7ff
BL		 856 mutex_unlock(&psp->hdcp_context.mutex);
857 return status;
11a00965
BL		 858}
859
860enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
861{
862 struct psp_context *psp = hdcp->config.psp.handle;
863 struct ta_hdcp_shared_memory *hdcp_cmd;
864 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
865 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff
BL		 866 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
867
868 mutex_lock(&psp->hdcp_context.mutex);
11a00965 869
ce97f37b 870 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 871 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
872
873 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
874 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
875
876 hdcp2_message_init(hdcp, msg_in);
877
878 msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_RECEIVERID_LIST;
879 msg_in->process.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.rx_id_list);
880 memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.rx_id_list,
881 sizeof(hdcp->auth.msg.hdcp2.rx_id_list));
882
883 msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_ACK;
884
885 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
886
887 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
888
8913f7ff
BL		 889 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
890 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
891 } else {
892 memcpy(hdcp->auth.msg.hdcp2.repeater_auth_ack,
893 &msg_out->prepare.transmitter_message[0],
894 sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
895
896 if (msg_out->process.msg1_status ==
897 TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
898 hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0;
899 hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0;
900 status = MOD_HDCP_STATUS_SUCCESS;
901 } else if (msg_out->process.msg1_status ==
902 TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
903 hdcp->connection.is_hdcp2_revoked = 1;
904 status = MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED;
4ccf9446
DDZ		 905 } else {
906 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
8913f7ff 907 }
11a00965 908 }
8913f7ff
BL		 909 mutex_unlock(&psp->hdcp_context.mutex);
910 return status;
11a00965
BL		 911}
912
913enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp *hdcp)
914{
915 struct psp_context *psp = hdcp->config.psp.handle;
916 struct ta_hdcp_shared_memory *hdcp_cmd;
917 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
11a00965 918 uint8_t i;
8913f7ff 919 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 920
8913f7ff 921 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 922 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 923 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
924
925 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
11a00965
BL		 926
927 hdcp2_message_init(hdcp, msg_in);
928
929
930 for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
2deade5e 931 if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
f28390cd 932 continue;
2deade5e 933
a09f8e29 934 hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index;
11a00965
BL		 935 hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.session_handle = hdcp->auth.id;
936
937 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_ENABLE_DP_STREAM_ENCRYPTION;
938 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
939
940 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
941 break;
942
a09f8e29
IZ		 943 hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
944 HDCP_HDCP2_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
11a00965
BL		 945 }
946
8913f7ff
BL		 947 if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS)
948 status = MOD_HDCP_STATUS_SUCCESS;
949 else
49c4a8b6 950 status = MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE;
8913f7ff
BL		 951
952 mutex_unlock(&psp->hdcp_context.mutex);
953 return status;
11a00965
BL		 954}
955
956enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *hdcp)
957{
958
959 struct psp_context *psp = hdcp->config.psp.handle;
960 struct ta_hdcp_shared_memory *hdcp_cmd;
961 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
962 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 963 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 964
8913f7ff 965 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 966 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 967 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
968
969 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
970 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
971
972 hdcp2_message_init(hdcp, msg_in);
973
974 msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_MANAGE;
975
976
977 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
978 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
979
8913f7ff
BL		 980 if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
981 status = MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE;
982 } else {
983 hdcp->auth.msg.hdcp2.stream_manage_size = msg_out->prepare.msg1_desc.msg_size;
11a00965 984
8913f7ff
BL		 985 memcpy(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
986 &msg_out->prepare.transmitter_message[0],
987 sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage));
988 }
989 mutex_unlock(&psp->hdcp_context.mutex);
990 return status;
11a00965
BL		 991}
992
993enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
994{
995 struct psp_context *psp = hdcp->config.psp.handle;
996 struct ta_hdcp_shared_memory *hdcp_cmd;
997 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
998 struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
8913f7ff 999 enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
11a00965 1000
8913f7ff 1001 mutex_lock(&psp->hdcp_context.mutex);
ce97f37b 1002 hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
11a00965
BL		 1003 memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
1004
1005 msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
1006 msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
1007
1008 hdcp2_message_init(hdcp, msg_in);
1009
1010 msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_READY;
1011
1012 msg_in->process.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready);
1013
1014 memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.repeater_auth_stream_ready,
1015 sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready));
1016
1017 hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
1018 psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
1019
8913f7ff
BL		 1020 if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS &&
1021 msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
1022 status = MOD_HDCP_STATUS_SUCCESS;
1023 else
1024 status = MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE;
1025
1026 mutex_unlock(&psp->hdcp_context.mutex);
1027 return status;
11a00965 1028}
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