1
2
3
4
5
6
7
8
9#ifndef __MEI_HDCP_H__
10#define __MEI_HDCP_H__
11
12#include <drm/drm_hdcp.h>
13
14
15enum me_hdcp_status {
16 ME_HDCP_STATUS_SUCCESS = 0x0000,
17
18
19 ME_HDCP_STATUS_INTERNAL_ERROR = 0x1000,
20 ME_HDCP_STATUS_UNKNOWN_ERROR = 0x1001,
21 ME_HDCP_STATUS_INCORRECT_API_VERSION = 0x1002,
22 ME_HDCP_STATUS_INVALID_FUNCTION = 0x1003,
23 ME_HDCP_STATUS_INVALID_BUFFER_LENGTH = 0x1004,
24 ME_HDCP_STATUS_INVALID_PARAMS = 0x1005,
25 ME_HDCP_STATUS_AUTHENTICATION_FAILED = 0x1006,
26
27
28 ME_HDCP_INVALID_SESSION_STATE = 0x6000,
29 ME_HDCP_SRM_FRAGMENT_UNEXPECTED = 0x6001,
30 ME_HDCP_SRM_INVALID_LENGTH = 0x6002,
31 ME_HDCP_SRM_FRAGMENT_OFFSET_INVALID = 0x6003,
32 ME_HDCP_SRM_VERIFICATION_FAILED = 0x6004,
33 ME_HDCP_SRM_VERSION_TOO_OLD = 0x6005,
34 ME_HDCP_RX_CERT_VERIFICATION_FAILED = 0x6006,
35 ME_HDCP_RX_REVOKED = 0x6007,
36 ME_HDCP_H_VERIFICATION_FAILED = 0x6008,
37 ME_HDCP_REPEATER_CHECK_UNEXPECTED = 0x6009,
38 ME_HDCP_TOPOLOGY_MAX_EXCEEDED = 0x600A,
39 ME_HDCP_V_VERIFICATION_FAILED = 0x600B,
40 ME_HDCP_L_VERIFICATION_FAILED = 0x600C,
41 ME_HDCP_STREAM_KEY_ALLOC_FAILED = 0x600D,
42 ME_HDCP_BASE_KEY_RESET_FAILED = 0x600E,
43 ME_HDCP_NONCE_GENERATION_FAILED = 0x600F,
44 ME_HDCP_STATUS_INVALID_E_KEY_STATE = 0x6010,
45 ME_HDCP_STATUS_INVALID_CS_ICV = 0x6011,
46 ME_HDCP_STATUS_INVALID_KB_KEY_STATE = 0x6012,
47 ME_HDCP_STATUS_INVALID_PAVP_MODE_ICV = 0x6013,
48 ME_HDCP_STATUS_INVALID_PAVP_MODE = 0x6014,
49 ME_HDCP_STATUS_LC_MAX_ATTEMPTS = 0x6015,
50
51
52 ME_HDCP_STATUS_MISMATCH_IN_M = 0x6016,
53
54
55 ME_HDCP_STATUS_RX_PROV_NOT_ALLOWED = 0x6017,
56 ME_HDCP_STATUS_RX_PROV_WRONG_SUBJECT = 0x6018,
57 ME_HDCP_RX_NEEDS_PROVISIONING = 0x6019,
58 ME_HDCP_BKSV_ICV_AUTH_FAILED = 0x6020,
59 ME_HDCP_STATUS_INVALID_STREAM_ID = 0x6021,
60 ME_HDCP_STATUS_CHAIN_NOT_INITIALIZED = 0x6022,
61 ME_HDCP_FAIL_NOT_EXPECTED = 0x6023,
62 ME_HDCP_FAIL_HDCP_OFF = 0x6024,
63 ME_HDCP_FAIL_INVALID_PAVP_MEMORY_MODE = 0x6025,
64 ME_HDCP_FAIL_AES_ECB_FAILURE = 0x6026,
65 ME_HDCP_FEATURE_NOT_SUPPORTED = 0x6027,
66 ME_HDCP_DMA_READ_ERROR = 0x6028,
67 ME_HDCP_DMA_WRITE_ERROR = 0x6029,
68 ME_HDCP_FAIL_INVALID_PACKET_SIZE = 0x6030,
69 ME_HDCP_H264_PARSING_ERROR = 0x6031,
70 ME_HDCP_HDCP2_ERRATA_VIDEO_VIOLATION = 0x6032,
71 ME_HDCP_HDCP2_ERRATA_AUDIO_VIOLATION = 0x6033,
72 ME_HDCP_TX_ACTIVE_ERROR = 0x6034,
73 ME_HDCP_MODE_CHANGE_ERROR = 0x6035,
74 ME_HDCP_STREAM_TYPE_ERROR = 0x6036,
75 ME_HDCP_STREAM_MANAGE_NOT_POSSIBLE = 0x6037,
76
77 ME_HDCP_STATUS_PORT_INVALID_COMMAND = 0x6038,
78 ME_HDCP_STATUS_UNSUPPORTED_PROTOCOL = 0x6039,
79 ME_HDCP_STATUS_INVALID_PORT_INDEX = 0x603a,
80 ME_HDCP_STATUS_TX_AUTH_NEEDED = 0x603b,
81 ME_HDCP_STATUS_NOT_INTEGRATED_PORT = 0x603c,
82 ME_HDCP_STATUS_SESSION_MAX_REACHED = 0x603d,
83
84
85 ME_HDCP_STATUS_NOT_HDCP_CAPABLE = 0x6041,
86
87 ME_HDCP_STATUS_INVALID_STREAM_COUNT = 0x6042,
88};
89
90#define HDCP_API_VERSION 0x00010000
91
92#define HDCP_M_LEN 16
93#define HDCP_KH_LEN 16
94
95
96
97#define WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN (4 + 1)
98#define WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_OUT (4 + 8 + 3)
99
100#define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN (4 + 522 + 8 + 3)
101#define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_MIN_OUT (4 + 1 + 3 + 16 + 16)
102#define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_MAX_OUT (4 + 1 + 3 + 128)
103
104#define WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN (4 + 32)
105#define WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_OUT (4)
106
107#define WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN (4 + 16)
108#define WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_OUT (4)
109
110#define WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN (4)
111#define WIRED_CMD_BUF_LEN_CLOSE_SESSION_OUT (4)
112
113
114#define WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN (4)
115#define WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_OUT (4 + 8)
116
117#define WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN (4 + 32)
118#define WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_OUT (4)
119
120
121#define WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN (4)
122#define WIRED_CMD_BUF_LEN_GET_SESSION_KEY_OUT (4 + 16 + 8)
123
124
125#define WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN (4 + 1)
126#define WIRED_CMD_BUF_LEN_ENABLE_AUTH_OUT (4)
127
128
129#define WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN (4 + 2 + 3 + 16 + 155)
130#define WIRED_CMD_BUF_LEN_VERIFY_REPEATER_OUT (4 + 1 + 16)
131
132#define WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN (4 + 3 + \
133 32 + 2 + 2)
134
135#define WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_OUT (4)
136
137
138enum hdcp_command_id {
139 _WIDI_COMMAND_BASE = 0x00030000,
140 WIDI_INITIATE_HDCP2_SESSION = _WIDI_COMMAND_BASE,
141 HDCP_GET_SRM_STATUS,
142 HDCP_SEND_SRM_FRAGMENT,
143
144
145 _WIRED_COMMAND_BASE = 0x00031000,
146 WIRED_INITIATE_HDCP2_SESSION = _WIRED_COMMAND_BASE,
147 WIRED_VERIFY_RECEIVER_CERT,
148 WIRED_AKE_SEND_HPRIME,
149 WIRED_AKE_SEND_PAIRING_INFO,
150 WIRED_INIT_LOCALITY_CHECK,
151 WIRED_VALIDATE_LOCALITY,
152 WIRED_GET_SESSION_KEY,
153 WIRED_ENABLE_AUTH,
154 WIRED_VERIFY_REPEATER,
155 WIRED_REPEATER_AUTH_STREAM_REQ,
156 WIRED_CLOSE_SESSION,
157
158 _WIRED_COMMANDS_COUNT,
159};
160
161union encrypted_buff {
162 u8 e_kpub_km[HDCP_2_2_E_KPUB_KM_LEN];
163 u8 e_kh_km_m[HDCP_2_2_E_KH_KM_M_LEN];
164 struct {
165 u8 e_kh_km[HDCP_KH_LEN];
166 u8 m[HDCP_M_LEN];
167 } __packed;
168};
169
170
171struct hdcp_cmd_header {
172 u32 api_version;
173 u32 command_id;
174 enum me_hdcp_status status;
175
176 u32 buffer_len;
177} __packed;
178
179
180struct hdcp_cmd_no_data {
181 struct hdcp_cmd_header header;
182} __packed;
183
184
185struct hdcp_port_id {
186 u8 integrated_port_type;
187
188 u8 physical_port;
189
190 u8 attached_transcoder;
191 u8 reserved;
192} __packed;
193
194
195
196
197
198
199struct wired_cmd_initiate_hdcp2_session_in {
200 struct hdcp_cmd_header header;
201 struct hdcp_port_id port;
202 u8 protocol;
203} __packed;
204
205struct wired_cmd_initiate_hdcp2_session_out {
206 struct hdcp_cmd_header header;
207 struct hdcp_port_id port;
208 u8 r_tx[HDCP_2_2_RTX_LEN];
209 struct hdcp2_tx_caps tx_caps;
210} __packed;
211
212
213struct wired_cmd_close_session_in {
214 struct hdcp_cmd_header header;
215 struct hdcp_port_id port;
216} __packed;
217
218struct wired_cmd_close_session_out {
219 struct hdcp_cmd_header header;
220 struct hdcp_port_id port;
221} __packed;
222
223
224struct wired_cmd_verify_receiver_cert_in {
225 struct hdcp_cmd_header header;
226 struct hdcp_port_id port;
227 struct hdcp2_cert_rx cert_rx;
228 u8 r_rx[HDCP_2_2_RRX_LEN];
229 u8 rx_caps[HDCP_2_2_RXCAPS_LEN];
230} __packed;
231
232struct wired_cmd_verify_receiver_cert_out {
233 struct hdcp_cmd_header header;
234 struct hdcp_port_id port;
235 u8 km_stored;
236 u8 reserved[3];
237 union encrypted_buff ekm_buff;
238} __packed;
239
240
241struct wired_cmd_ake_send_hprime_in {
242 struct hdcp_cmd_header header;
243 struct hdcp_port_id port;
244 u8 h_prime[HDCP_2_2_H_PRIME_LEN];
245} __packed;
246
247struct wired_cmd_ake_send_hprime_out {
248 struct hdcp_cmd_header header;
249 struct hdcp_port_id port;
250} __packed;
251
252
253
254
255
256struct wired_cmd_ake_send_pairing_info_in {
257 struct hdcp_cmd_header header;
258 struct hdcp_port_id port;
259 u8 e_kh_km[HDCP_2_2_E_KH_KM_LEN];
260} __packed;
261
262struct wired_cmd_ake_send_pairing_info_out {
263 struct hdcp_cmd_header header;
264 struct hdcp_port_id port;
265} __packed;
266
267
268
269
270
271
272struct wired_cmd_init_locality_check_in {
273 struct hdcp_cmd_header header;
274 struct hdcp_port_id port;
275} __packed;
276
277struct wired_cmd_init_locality_check_out {
278 struct hdcp_cmd_header header;
279 struct hdcp_port_id port;
280 u8 r_n[HDCP_2_2_RN_LEN];
281} __packed;
282
283
284
285
286
287struct wired_cmd_validate_locality_in {
288 struct hdcp_cmd_header header;
289 struct hdcp_port_id port;
290 u8 l_prime[HDCP_2_2_L_PRIME_LEN];
291} __packed;
292
293struct wired_cmd_validate_locality_out {
294 struct hdcp_cmd_header header;
295 struct hdcp_port_id port;
296} __packed;
297
298
299
300
301
302
303struct wired_cmd_get_session_key_in {
304 struct hdcp_cmd_header header;
305 struct hdcp_port_id port;
306} __packed;
307
308struct wired_cmd_get_session_key_out {
309 struct hdcp_cmd_header header;
310 struct hdcp_port_id port;
311 u8 e_dkey_ks[HDCP_2_2_E_DKEY_KS_LEN];
312 u8 r_iv[HDCP_2_2_RIV_LEN];
313} __packed;
314
315
316struct wired_cmd_enable_auth_in {
317 struct hdcp_cmd_header header;
318 struct hdcp_port_id port;
319 u8 stream_type;
320} __packed;
321
322struct wired_cmd_enable_auth_out {
323 struct hdcp_cmd_header header;
324 struct hdcp_port_id port;
325} __packed;
326
327
328
329
330
331
332
333
334
335struct wired_cmd_verify_repeater_in {
336 struct hdcp_cmd_header header;
337 struct hdcp_port_id port;
338 u8 rx_info[HDCP_2_2_RXINFO_LEN];
339 u8 seq_num_v[HDCP_2_2_SEQ_NUM_LEN];
340 u8 v_prime[HDCP_2_2_V_PRIME_HALF_LEN];
341 u8 receiver_ids[HDCP_2_2_RECEIVER_IDS_MAX_LEN];
342} __packed;
343
344struct wired_cmd_verify_repeater_out {
345 struct hdcp_cmd_header header;
346 struct hdcp_port_id port;
347 u8 content_type_supported;
348 u8 v[HDCP_2_2_V_PRIME_HALF_LEN];
349} __packed;
350
351
352
353
354
355struct wired_cmd_repeater_auth_stream_req_in {
356 struct hdcp_cmd_header header;
357 struct hdcp_port_id port;
358 u8 seq_num_m[HDCP_2_2_SEQ_NUM_LEN];
359 u8 m_prime[HDCP_2_2_MPRIME_LEN];
360 __be16 k;
361 struct hdcp2_streamid_type streams[1];
362} __packed;
363
364struct wired_cmd_repeater_auth_stream_req_out {
365 struct hdcp_cmd_header header;
366 struct hdcp_port_id port;
367} __packed;
368#endif
369