1/* SPDX-License-Identifier: GPL-2.0-only
2 *
3 * Copyright (C) 2020-2021 Intel Corporation.
4 */
5
6#ifndef _IOSM_IPC_FLASH_H
7#define _IOSM_IPC_FLASH_H
8
9/* Buffer size used to read the fls image */
10#define IOSM_FLS_BUF_SIZE 0x00100000
11/* Full erase start address */
12#define IOSM_ERASE_START_ADDR 0x00000000
13/* Erase length for NAND flash */
14#define IOSM_ERASE_LEN 0xFFFFFFFF
15/* EBL response Header size */
16#define IOSM_EBL_HEAD_SIZE  8
17/* EBL payload size */
18#define IOSM_EBL_W_PAYL_SIZE  2048
19/* Total EBL pack size */
20#define IOSM_EBL_W_PACK_SIZE  (IOSM_EBL_HEAD_SIZE + IOSM_EBL_W_PAYL_SIZE)
21/* EBL payload size */
22#define IOSM_EBL_DW_PAYL_SIZE  16384
23/* Total EBL pack size */
24#define IOSM_EBL_DW_PACK_SIZE  (IOSM_EBL_HEAD_SIZE + IOSM_EBL_DW_PAYL_SIZE)
25/* EBL name size */
26#define IOSM_EBL_NAME  32
27/* Maximum supported error types */
28#define IOSM_MAX_ERRORS 8
29/* Read size for RPSI/EBL response */
30#define IOSM_READ_SIZE 2
31/* Link establishment response ack size */
32#define IOSM_LER_ACK_SIZE 2
33/* PSI ACK len */
34#define IOSM_PSI_ACK 8
35/* SWID capability for packed swid type */
36#define IOSM_EXT_CAP_SWID_OOS_PACK     0x02
37/* EBL error response buffer */
38#define IOSM_EBL_RSP_BUFF 0x0041
39/* SWID string length */
40#define IOSM_SWID_STR 64
41/* Load EBL command size */
42#define IOSM_RPSI_LOAD_SIZE 0
43/* EBL payload checksum */
44#define IOSM_EBL_CKSM 0x0000FFFF
45/* SWID msg len and argument */
46#define IOSM_MSG_LEN_ARG 0
47/* Data to be sent to modem */
48#define IOSM_MDM_SEND_DATA 0x0000
49/* Data received from modem as part of erase check */
50#define IOSM_MDM_ERASE_RSP 0x0001
51/* Bit shift to calculate Checksum */
52#define IOSM_EBL_PAYL_SHIFT 16
53/* Flag To be set */
54#define IOSM_SET_FLAG 1
55/* Set flash erase check timeout to 100 msec */
56#define IOSM_FLASH_ERASE_CHECK_TIMEOUT 100
57/* Set flash erase check interval to 20 msec */
58#define IOSM_FLASH_ERASE_CHECK_INTERVAL 20
59/* Link establishment response ack size */
60#define IOSM_LER_RSP_SIZE 60
61
62/**
63 * enum iosm_flash_package_type -	Enum for the flashing operations
64 * @FLASH_SET_PROT_CONF:	Write EBL capabilities
65 * @FLASH_SEC_START:		Start writing the secpack
66 * @FLASH_SEC_END:		Validate secpack end
67 * @FLASH_SET_ADDRESS:		Set the address for flashing
68 * @FLASH_ERASE_START:		Start erase before flashing
69 * @FLASH_ERASE_CHECK:		Validate the erase functionality
70 * @FLASH_OOS_CONTROL:		Retrieve data based on oos actions
71 * @FLASH_OOS_DATA_READ:	Read data from EBL
72 * @FLASH_WRITE_IMAGE_RAW:	Write the raw image to flash
73 */
74enum iosm_flash_package_type {
75	FLASH_SET_PROT_CONF = 0x0086,
76	FLASH_SEC_START = 0x0204,
77	FLASH_SEC_END,
78	FLASH_SET_ADDRESS = 0x0802,
79	FLASH_ERASE_START = 0x0805,
80	FLASH_ERASE_CHECK,
81	FLASH_OOS_CONTROL = 0x080C,
82	FLASH_OOS_DATA_READ = 0x080E,
83	FLASH_WRITE_IMAGE_RAW,
84};
85
86/**
87 * enum iosm_out_of_session_action -	Actions possible over the
88 *					OutOfSession command interface
89 * @FLASH_OOSC_ACTION_READ:		Read data according to its type
90 * @FLASH_OOSC_ACTION_ERASE:		Erase data according to its type
91 */
92enum iosm_out_of_session_action {
93	FLASH_OOSC_ACTION_READ = 2,
94	FLASH_OOSC_ACTION_ERASE = 3,
95};
96
97/**
98 * enum iosm_out_of_session_type -	Data types that can be handled over the
99 *					Out Of Session command Interface
100 * @FLASH_OOSC_TYPE_ALL_FLASH:		The whole flash area
101 * @FLASH_OOSC_TYPE_SWID_TABLE:		Read the swid table from the target
102 */
103enum iosm_out_of_session_type {
104	FLASH_OOSC_TYPE_ALL_FLASH = 8,
105	FLASH_OOSC_TYPE_SWID_TABLE = 16,
106};
107
108/**
109 * enum iosm_ebl_caps -	EBL capability settings
110 * @IOSM_CAP_NOT_ENHANCED:	If capability not supported
111 * @IOSM_CAP_USE_EXT_CAP:	To be set if extended capability is set
112 * @IOSM_EXT_CAP_ERASE_ALL:	Set Erase all capability
113 * @IOSM_EXT_CAP_COMMIT_ALL:	Set the commit all capability
114 */
115enum iosm_ebl_caps {
116	IOSM_CAP_NOT_ENHANCED = 0x00,
117	IOSM_CAP_USE_EXT_CAP = 0x01,
118	IOSM_EXT_CAP_ERASE_ALL = 0x08,
119	IOSM_EXT_CAP_COMMIT_ALL = 0x20,
120};
121
122/**
123 * enum iosm_ebl_rsp -  EBL response field
124 * @EBL_CAPS_FLAG:	EBL capability flag
125 * @EBL_SKIP_ERASE:	EBL skip erase flag
126 * @EBL_SKIP_CRC:	EBL skip wr_pack crc
127 * @EBL_EXT_CAPS_HANDLED:	EBL extended capability handled flag
128 * @EBL_OOS_CONFIG:	EBL oos configuration
129 * @EBL_RSP_SW_INFO_VER: EBL SW info version
130 */
131enum iosm_ebl_rsp {
132	EBL_CAPS_FLAG = 50,
133	EBL_SKIP_ERASE = 54,
134	EBL_SKIP_CRC = 55,
135	EBL_EXT_CAPS_HANDLED = 57,
136	EBL_OOS_CONFIG = 64,
137	EBL_RSP_SW_INFO_VER = 70,
138};
139
140/**
141 * enum iosm_mdm_send_recv_data - Data to send to modem
142 * @IOSM_MDM_SEND_2:	Send 2 bytes of payload
143 * @IOSM_MDM_SEND_4:	Send 4 bytes of payload
144 * @IOSM_MDM_SEND_8:	Send 8 bytes of payload
145 * @IOSM_MDM_SEND_16:	Send 16 bytes of payload
146 */
147enum iosm_mdm_send_recv_data {
148	IOSM_MDM_SEND_2 = 2,
149	IOSM_MDM_SEND_4 = 4,
150	IOSM_MDM_SEND_8 = 8,
151	IOSM_MDM_SEND_16 = 16,
152};
153
154/**
155 * struct iosm_ebl_one_error -	Structure containing error details
156 * @error_class:		Error type- standard, security and text error
157 * @error_code:			Specific error from error type
158 */
159struct iosm_ebl_one_error {
160	u16 error_class;
161	u16 error_code;
162};
163
164/**
165 * struct iosm_ebl_error- Structure with max error type supported
166 * @error:		Array of one_error structure with max errors
167 */
168struct iosm_ebl_error {
169	struct iosm_ebl_one_error error[IOSM_MAX_ERRORS];
170};
171
172/**
173 * struct iosm_swid_table - SWID table data for modem
174 * @number_of_data_sets:	Number of swid types
175 * @sw_id_type:			SWID type - SWID
176 * @sw_id_val:			SWID value
177 * @rf_engine_id_type:		RF engine ID type - RF_ENGINE_ID
178 * @rf_engine_id_val:		RF engine ID value
179 */
180struct iosm_swid_table {
181	u32 number_of_data_sets;
182	char sw_id_type[IOSM_EBL_NAME];
183	u32 sw_id_val;
184	char rf_engine_id_type[IOSM_EBL_NAME];
185	u32 rf_engine_id_val;
186};
187
188/**
189 * struct iosm_flash_msg_control - Data sent to modem
190 * @action:	Action to be performed
191 * @type:	Type of action
192 * @length:	Length of the action
193 * @arguments:	Argument value sent to modem
194 */
195struct iosm_flash_msg_control {
196	__le32 action;
197	__le32 type;
198	__le32 length;
199	__le32 arguments;
200};
201
202/**
203 * struct iosm_flash_data -  Header Data to be sent to modem
204 * @checksum:	Checksum value calculated for the payload data
205 * @pack_id:	Flash Action type
206 * @msg_length:	Payload length
207 */
208struct iosm_flash_data {
209	__le16  checksum;
210	__le16  pack_id;
211	__le32  msg_length;
212};
213
214int ipc_flash_boot_psi(struct iosm_devlink *ipc_devlink,
215		       const struct firmware *fw);
216
217int ipc_flash_boot_ebl(struct iosm_devlink *ipc_devlink,
218		       const struct firmware *fw);
219
220int ipc_flash_boot_set_capabilities(struct iosm_devlink *ipc_devlink,
221				    u8 *mdm_rsp);
222
223int ipc_flash_link_establish(struct iosm_imem *ipc_imem);
224
225int ipc_flash_read_swid(struct iosm_devlink *ipc_devlink, u8 *mdm_rsp);
226
227int ipc_flash_send_fls(struct iosm_devlink *ipc_devlink,
228		       const struct firmware *fw, u8 *mdm_rsp);
229#endif
230