| /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */ |
| /* |
| * ca.h |
| * |
| * Copyright (C) 2000 Ralph Metzler <ralph@convergence.de> |
| * & Marcus Metzler <marcus@convergence.de> |
| * for convergence integrated media GmbH |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Lesser Public License |
| * as published by the Free Software Foundation; either version 2.1 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| * |
| */ |
| |
| #ifndef _DVBCA_H_ |
| #define _DVBCA_H_ |
| |
| /** |
| * struct ca_slot_info - CA slot interface types and info. |
| * |
| * @num: slot number. |
| * @type: slot type. |
| * @flags: flags applicable to the slot. |
| * |
| * This struct stores the CA slot information. |
| * |
| * @type can be: |
| * |
| * - %CA_CI - CI high level interface; |
| * - %CA_CI_LINK - CI link layer level interface; |
| * - %CA_CI_PHYS - CI physical layer level interface; |
| * - %CA_DESCR - built-in descrambler; |
| * - %CA_SC -simple smart card interface. |
| * |
| * @flags can be: |
| * |
| * - %CA_CI_MODULE_PRESENT - module (or card) inserted; |
| * - %CA_CI_MODULE_READY - module is ready for usage. |
| */ |
| |
| struct ca_slot_info { |
| int num; |
| int type; |
| #define CA_CI 1 |
| #define CA_CI_LINK 2 |
| #define CA_CI_PHYS 4 |
| #define CA_DESCR 8 |
| #define CA_SC 128 |
| |
| unsigned int flags; |
| #define CA_CI_MODULE_PRESENT 1 |
| #define CA_CI_MODULE_READY 2 |
| }; |
| |
| |
| /** |
| * struct ca_descr_info - descrambler types and info. |
| * |
| * @num: number of available descramblers (keys). |
| * @type: type of supported scrambling system. |
| * |
| * Identifies the number of descramblers and their type. |
| * |
| * @type can be: |
| * |
| * - %CA_ECD - European Common Descrambler (ECD) hardware; |
| * - %CA_NDS - Videoguard (NDS) hardware; |
| * - %CA_DSS - Distributed Sample Scrambling (DSS) hardware. |
| */ |
| struct ca_descr_info { |
| unsigned int num; |
| unsigned int type; |
| #define CA_ECD 1 |
| #define CA_NDS 2 |
| #define CA_DSS 4 |
| }; |
| |
| /** |
| * struct ca_caps - CA slot interface capabilities. |
| * |
| * @slot_num: total number of CA card and module slots. |
| * @slot_type: bitmap with all supported types as defined at |
| * &struct ca_slot_info (e. g. %CA_CI, %CA_CI_LINK, etc). |
| * @descr_num: total number of descrambler slots (keys) |
| * @descr_type: bitmap with all supported types as defined at |
| * &struct ca_descr_info (e. g. %CA_ECD, %CA_NDS, etc). |
| */ |
| struct ca_caps { |
| unsigned int slot_num; |
| unsigned int slot_type; |
| unsigned int descr_num; |
| unsigned int descr_type; |
| }; |
| |
| /** |
| * struct ca_msg - a message to/from a CI-CAM |
| * |
| * @index: unused |
| * @type: unused |
| * @length: length of the message |
| * @msg: message |
| * |
| * This struct carries a message to be send/received from a CI CA module. |
| */ |
| struct ca_msg { |
| unsigned int index; |
| unsigned int type; |
| unsigned int length; |
| unsigned char msg[256]; |
| }; |
| |
| /** |
| * struct ca_descr - CA descrambler control words info |
| * |
| * @index: CA Descrambler slot |
| * @parity: control words parity, where 0 means even and 1 means odd |
| * @cw: CA Descrambler control words |
| */ |
| struct ca_descr { |
| unsigned int index; |
| unsigned int parity; |
| unsigned char cw[8]; |
| }; |
| |
| #ifdef CONFIG_AMLOGIC_DVB_COMPAT |
| /* CW type. */ |
| enum ca_cw_type { |
| CA_CW_DVB_CSA_EVEN, |
| CA_CW_DVB_CSA_ODD, |
| CA_CW_AES_EVEN, |
| CA_CW_AES_ODD, |
| CA_CW_AES_EVEN_IV, |
| CA_CW_AES_ODD_IV, |
| CA_CW_DES_EVEN, |
| CA_CW_DES_ODD, |
| CA_CW_SM4_EVEN, |
| CA_CW_SM4_ODD, |
| CA_CW_SM4_EVEN_IV, |
| CA_CW_SM4_ODD_IV, |
| CA_CW_TYPE_MAX |
| }; |
| |
| enum ca_dsc_mode { |
| CA_DSC_CBC = 1, |
| CA_DSC_ECB, |
| CA_DSC_IDSA |
| }; |
| |
| struct ca_descr_ex { |
| unsigned int index; |
| enum ca_cw_type type; |
| enum ca_dsc_mode mode; |
| int flags; |
| #define CA_CW_FROM_KL 1 |
| unsigned char cw[16]; |
| }; |
| |
| /* add for support sc2 ca*/ |
| enum ca_sc2_cmd_type { |
| CA_ALLOC, |
| CA_FREE, |
| CA_KEY, |
| CA_GET_STATUS, |
| CA_SET_SCB, |
| CA_SET_ALGO |
| }; |
| |
| enum ca_sc2_algo_type { |
| CA_ALGO_AES_ECB_CLR_END, |
| CA_ALGO_AES_ECB_CLR_FRONT, |
| CA_ALGO_AES_CBC_CLR_END, |
| CA_ALGO_AES_CBC_IDSA, |
| CA_ALGO_CSA2, |
| CA_ALGO_DES_SCTE41, |
| CA_ALGO_DES_SCTE52, |
| CA_ALGO_TDES_ECB_CLR_END, |
| CA_ALGO_CPCM_LSA_MDI_CBC, |
| CA_ALGO_CPCM_LSA_MDD_CBC, |
| CA_ALGO_CSA3, |
| CA_ALGO_ASA, |
| CA_ALGO_ASA_LIGHT, |
| CA_ALGO_S17_ECB_CLR_END, |
| CA_ALGO_S17_ECB_CTS, |
| CA_ALGO_UNKNOWN |
| }; |
| |
| enum ca_sc2_dsc_type { |
| CA_DSC_COMMON_TYPE, |
| CA_DSC_TSD_TYPE, /*just support AES descramble.*/ |
| CA_DSC_TSE_TYPE /*just support AES enscramble.*/ |
| }; |
| |
| /** |
| * struct ca_alloc - malloc ca slot index by params |
| * |
| * @pid: slot use pid. |
| * @algo: use the algorithm |
| * @dsc_type: CA_DSC_COMMON_TYPE:support all ca_algo_type |
| * CA_DSC_TSD_TYPE & CA_DSC_TSE_TYPE just support AES |
| * @ca_index: return slot index. |
| * @loop: 0: just descramble once. |
| * 1: descramble twice. |
| */ |
| struct ca_sc2_alloc { |
| unsigned int pid; |
| enum ca_sc2_algo_type algo; |
| enum ca_sc2_dsc_type dsc_type; |
| unsigned int ca_index; |
| unsigned char loop; |
| }; |
| |
| /** |
| * struct ca_sc2_free - free slot index |
| * |
| * @ca_index: need free slot index. |
| */ |
| struct ca_sc2_free { |
| unsigned int ca_index; |
| }; |
| |
| enum ca_sc2_key_type { |
| CA_KEY_EVEN_TYPE, |
| CA_KEY_EVEN_IV_TYPE, |
| CA_KEY_ODD_TYPE, |
| CA_KEY_ODD_IV_TYPE, |
| CA_KEY_00_TYPE, |
| CA_KEY_00_IV_TYPE |
| }; |
| |
| /** |
| * struct ca_sc2_key - set key slot index |
| * |
| * @ca_index: use slot index. |
| * @parity: key type (odd/even/key00) |
| * @key_index: key store index. |
| */ |
| struct ca_sc2_key { |
| unsigned int ca_index; |
| enum ca_sc2_key_type parity; |
| unsigned int key_index; |
| }; |
| |
| /** |
| * struct ca_sc2_scb - set scb |
| * |
| * @ca_index: use slot index. |
| * @ca_scb: ca_scb (2bit) |
| * @ca_scb_as_is:if 1, scb use original |
| * if 0, use ca_scb |
| */ |
| struct ca_sc2_scb { |
| unsigned int ca_index; |
| unsigned char ca_scb; |
| unsigned char ca_scb_as_is; |
| }; |
| |
| /** |
| * struct ca_sc2_algo - set algo |
| * |
| * @ca_index: use slot index. |
| * @algo: algo |
| */ |
| struct ca_sc2_algo { |
| unsigned int ca_index; |
| enum ca_sc2_algo_type algo; |
| }; |
| |
| /** |
| * struct ca_sc2_descr_ex - ca externd descriptor |
| * |
| * @params: command resource params |
| */ |
| struct ca_sc2_descr_ex { |
| enum ca_sc2_cmd_type cmd; |
| union { |
| struct ca_sc2_alloc alloc_params; |
| struct ca_sc2_free free_params; |
| struct ca_sc2_key key_params; |
| struct ca_sc2_scb scb_params; |
| struct ca_sc2_algo algo_params; |
| } params; |
| }; |
| |
| struct ca_pid { |
| unsigned int pid; |
| int index; /* -1 == disable*/ |
| }; |
| |
| #endif /*CONFIG_AMLOGIC_DVB_COMPAT*/ |
| #define CA_RESET _IO('o', 128) |
| #define CA_GET_CAP _IOR('o', 129, struct ca_caps) |
| #define CA_GET_SLOT_INFO _IOR('o', 130, struct ca_slot_info) |
| #define CA_GET_DESCR_INFO _IOR('o', 131, struct ca_descr_info) |
| #define CA_GET_MSG _IOR('o', 132, struct ca_msg) |
| #define CA_SEND_MSG _IOW('o', 133, struct ca_msg) |
| #define CA_SET_DESCR _IOW('o', 134, struct ca_descr) |
| #ifdef CONFIG_AMLOGIC_DVB_COMPAT |
| #define CA_SET_PID _IOW('o', 135, struct ca_pid) |
| #define CA_SET_DESCR_EX _IOW('o', 200, struct ca_descr_ex) |
| #define CA_SC2_SET_DESCR_EX _IOWR('o', 201, struct ca_sc2_descr_ex) |
| #endif |
| #if !defined(__KERNEL__) |
| |
| /* This is needed for legacy userspace support */ |
| typedef struct ca_slot_info ca_slot_info_t; |
| typedef struct ca_descr_info ca_descr_info_t; |
| typedef struct ca_caps ca_caps_t; |
| typedef struct ca_msg ca_msg_t; |
| typedef struct ca_descr ca_descr_t; |
| |
| #endif |
| |
| |
| #endif |