xref: /linux/drivers/net/wireless/intel/iwlwifi/pcie/iwl-context-info-v2.h (revision 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2018, 2020-2025 Intel Corporation
4  */
5 #ifndef __iwl_context_info_file_v2_h__
6 #define __iwl_context_info_file_v2_h__
7 
8 #include "iwl-context-info.h"
9 
10 #define CSR_CTXT_INFO_BOOT_CTRL         0x0
11 #define CSR_CTXT_INFO_ADDR              0x118
12 #define CSR_IML_DATA_ADDR               0x120
13 #define CSR_IML_SIZE_ADDR               0x128
14 #define CSR_IML_RESP_ADDR               0x12c
15 
16 #define UNFRAGMENTED_PNVM_PAYLOADS_NUMBER 2
17 
18 /* Set bit for enabling automatic function boot */
19 #define CSR_AUTO_FUNC_BOOT_ENA          BIT(1)
20 /* Set bit for initiating function boot */
21 #define CSR_AUTO_FUNC_INIT              BIT(7)
22 
23 /**
24  * enum iwl_prph_scratch_mtr_format - tfd size configuration
25  * @IWL_PRPH_MTR_FORMAT_16B: 16 bit tfd
26  * @IWL_PRPH_MTR_FORMAT_32B: 32 bit tfd
27  * @IWL_PRPH_MTR_FORMAT_64B: 64 bit tfd
28  * @IWL_PRPH_MTR_FORMAT_256B: 256 bit tfd
29  */
30 enum iwl_prph_scratch_mtr_format {
31 	IWL_PRPH_MTR_FORMAT_16B = 0x0,
32 	IWL_PRPH_MTR_FORMAT_32B = 0x40000,
33 	IWL_PRPH_MTR_FORMAT_64B = 0x80000,
34 	IWL_PRPH_MTR_FORMAT_256B = 0xC0000,
35 };
36 
37 /**
38  * enum iwl_prph_scratch_flags - PRPH scratch control flags
39  * @IWL_PRPH_SCRATCH_IMR_DEBUG_EN: IMR support for debug
40  * @IWL_PRPH_SCRATCH_EARLY_DEBUG_EN: enable early debug conf
41  * @IWL_PRPH_SCRATCH_EDBG_DEST_DRAM: use DRAM, with size allocated
42  *	in hwm config.
43  * @IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL: use buffer on SRAM
44  * @IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER: use st arbiter, mainly for
45  *	multicomm.
46  * @IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF: route debug data to SoC HW
47  * @IWL_PRPH_SCRATCH_RB_SIZE_4K: Use 4K RB size (the default is 2K)
48  * @IWL_PRPH_SCRATCH_MTR_MODE: format used for completion - 0: for
49  *	completion descriptor, 1 for responses (legacy)
50  * @IWL_PRPH_SCRATCH_MTR_FORMAT: a mask for the size of the tfd.
51  *	There are 4 optional values: 0: 16 bit, 1: 32 bit, 2: 64 bit,
52  *	3: 256 bit.
53  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK: RB size full information, ignored
54  *	by older firmware versions, so set IWL_PRPH_SCRATCH_RB_SIZE_4K
55  *	appropriately; use the below values for this.
56  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K: 8kB RB size
57  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K: 12kB RB size
58  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K: 16kB RB size
59  * @IWL_PRPH_SCRATCH_SCU_FORCE_ACTIVE: Indicate fw to set SCU_FORCE_ACTIVE
60  *	upon reset.
61  * @IWL_PRPH_SCRATCH_TOP_RESET: request TOP reset
62  */
63 enum iwl_prph_scratch_flags {
64 	IWL_PRPH_SCRATCH_IMR_DEBUG_EN		= BIT(1),
65 	IWL_PRPH_SCRATCH_EARLY_DEBUG_EN		= BIT(4),
66 	IWL_PRPH_SCRATCH_EDBG_DEST_DRAM		= BIT(8),
67 	IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL	= BIT(9),
68 	IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER	= BIT(10),
69 	IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF	= BIT(11),
70 	IWL_PRPH_SCRATCH_RB_SIZE_4K		= BIT(16),
71 	IWL_PRPH_SCRATCH_MTR_MODE		= BIT(17),
72 	IWL_PRPH_SCRATCH_MTR_FORMAT		= BIT(18) | BIT(19),
73 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK	= 0xf << 20,
74 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K		= 8 << 20,
75 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K	= 9 << 20,
76 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K	= 10 << 20,
77 	IWL_PRPH_SCRATCH_SCU_FORCE_ACTIVE	= BIT(29),
78 	IWL_PRPH_SCRATCH_TOP_RESET		= BIT(30),
79 };
80 
81 /**
82  * enum iwl_prph_scratch_ext_flags - PRPH scratch control ext flags
83  * @IWL_PRPH_SCRATCH_EXT_EXT_FSEQ: external FSEQ image provided
84  * @IWL_PRPH_SCRATCH_EXT_URM_FW: switch to URM mode based on fw setting
85  * @IWL_PRPH_SCRATCH_EXT_URM_PERM: switch to permanent URM mode
86  * @IWL_PRPH_SCRATCH_EXT_32KHZ_CLK_VALID: use external 32 KHz clock
87  */
88 enum iwl_prph_scratch_ext_flags {
89 	IWL_PRPH_SCRATCH_EXT_EXT_FSEQ		= BIT(0),
90 	IWL_PRPH_SCRATCH_EXT_URM_FW		= BIT(4),
91 	IWL_PRPH_SCRATCH_EXT_URM_PERM		= BIT(5),
92 	IWL_PRPH_SCRATCH_EXT_32KHZ_CLK_VALID	= BIT(8),
93 };
94 
95 /**
96  * struct iwl_prph_scratch_version - version structure
97  * @mac_id: SKU and revision id
98  * @version: prph scratch information version id
99  * @size: the size of the context information in DWs
100  * @reserved: reserved
101  */
102 struct iwl_prph_scratch_version {
103 	__le16 mac_id;
104 	__le16 version;
105 	__le16 size;
106 	__le16 reserved;
107 } __packed; /* PERIPH_SCRATCH_VERSION_S */
108 
109 /**
110  * struct iwl_prph_scratch_control - control structure
111  * @control_flags: context information flags see &enum iwl_prph_scratch_flags
112  * @control_flags_ext: context information for extended flags,
113  *	see &enum iwl_prph_scratch_ext_flags
114  */
115 struct iwl_prph_scratch_control {
116 	__le32 control_flags;
117 	__le32 control_flags_ext;
118 } __packed; /* PERIPH_SCRATCH_CONTROL_S */
119 
120 /**
121  * struct iwl_prph_scratch_pnvm_cfg - PNVM scratch
122  * @pnvm_base_addr: PNVM start address
123  * @pnvm_size: the size of the PNVM image in bytes
124  * @reserved: reserved
125  */
126 struct iwl_prph_scratch_pnvm_cfg {
127 	__le64 pnvm_base_addr;
128 	__le32 pnvm_size;
129 	__le32 reserved;
130 } __packed; /* PERIPH_SCRATCH_PNVM_CFG_S */
131 
132 /**
133  * struct iwl_prph_scratch_mem_desc_addr_array - DRAM
134  * @mem_descs: array of dram addresses.
135  * Each address is the beginning of a PNVM payload.
136  */
137 struct iwl_prph_scratch_mem_desc_addr_array {
138 	__le64 mem_descs[IPC_DRAM_MAP_ENTRY_NUM_MAX];
139 } __packed; /* PERIPH_SCRATCH_MEM_DESC_ADDR_ARRAY_S_VER_1 */
140 
141 /**
142  * struct iwl_prph_scratch_hwm_cfg - hwm config
143  * @hwm_base_addr: hwm start address
144  * @hwm_size: hwm size in DWs
145  * @debug_token_config: debug preset
146  */
147 struct iwl_prph_scratch_hwm_cfg {
148 	__le64 hwm_base_addr;
149 	__le32 hwm_size;
150 	__le32 debug_token_config;
151 } __packed; /* PERIPH_SCRATCH_HWM_CFG_S */
152 
153 /**
154  * struct iwl_prph_scratch_rbd_cfg - RBDs configuration
155  * @free_rbd_addr: default queue free RB CB base address
156  * @reserved: reserved
157  */
158 struct iwl_prph_scratch_rbd_cfg {
159 	__le64 free_rbd_addr;
160 	__le32 reserved;
161 } __packed; /* PERIPH_SCRATCH_RBD_CFG_S */
162 
163 /**
164  * struct iwl_prph_scratch_uefi_cfg - prph scratch reduce power table
165  * @base_addr: reduce power table address
166  * @size: the size of the entire power table image
167  * @reserved: (reserved)
168  */
169 struct iwl_prph_scratch_uefi_cfg {
170 	__le64 base_addr;
171 	__le32 size;
172 	__le32 reserved;
173 } __packed; /* PERIPH_SCRATCH_UEFI_CFG_S */
174 
175 /**
176  * struct iwl_prph_scratch_step_cfg - prph scratch step configuration
177  * @mbx_addr_0: [0:7] revision,
178  *		[8:15] cnvi_to_cnvr length,
179  *		[16:23] cnvr_to_cnvi channel length,
180  *		[24:31] radio1 reserved
181  * @mbx_addr_1: [0:7] radio2 reserved
182  */
183 
184 struct iwl_prph_scratch_step_cfg {
185 	__le32 mbx_addr_0;
186 	__le32 mbx_addr_1;
187 } __packed;
188 
189 /**
190  * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config
191  * @version: version information of context info and HW
192  * @control: control flags of FH configurations
193  * @pnvm_cfg: ror configuration
194  * @hwm_cfg: hwm configuration
195  * @rbd_cfg: default RX queue configuration
196  * @reduce_power_cfg: UEFI power reduction table
197  * @step_cfg: step configuration
198  */
199 struct iwl_prph_scratch_ctrl_cfg {
200 	struct iwl_prph_scratch_version version;
201 	struct iwl_prph_scratch_control control;
202 	struct iwl_prph_scratch_pnvm_cfg pnvm_cfg;
203 	struct iwl_prph_scratch_hwm_cfg hwm_cfg;
204 	struct iwl_prph_scratch_rbd_cfg rbd_cfg;
205 	struct iwl_prph_scratch_uefi_cfg reduce_power_cfg;
206 	struct iwl_prph_scratch_step_cfg step_cfg;
207 } __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */
208 
209 #define IWL_NUM_DRAM_FSEQ_ENTRIES	8
210 
211 /**
212  * struct iwl_context_info_dram_fseq - images DRAM map (with fseq)
213  * each entry in the map represents a DRAM chunk of up to 32 KB
214  * @common: UMAC/LMAC/virtual images
215  * @fseq_img: FSEQ image DRAM map
216  */
217 struct iwl_context_info_dram_fseq {
218 	struct iwl_context_info_dram_nonfseq common;
219 	__le64 fseq_img[IWL_NUM_DRAM_FSEQ_ENTRIES];
220 } __packed; /* PERIPH_SCRATCH_DRAM_MAP_S */
221 
222 /**
223  * struct iwl_prph_scratch - peripheral scratch mapping
224  * @ctrl_cfg: control and configuration of prph scratch
225  * @dram: firmware images addresses in DRAM
226  * @fseq_override: FSEQ override parameters
227  * @step_analog_params: STEP analog calibration values
228  * @reserved: reserved
229  */
230 struct iwl_prph_scratch {
231 	struct iwl_prph_scratch_ctrl_cfg ctrl_cfg;
232 	__le32 fseq_override;
233 	__le32 step_analog_params;
234 	__le32 reserved[8];
235 	struct iwl_context_info_dram_fseq dram;
236 } __packed; /* PERIPH_SCRATCH_S */
237 
238 /**
239  * struct iwl_prph_info - peripheral information
240  * @boot_stage_mirror: reflects the value in the Boot Stage CSR register
241  * @ipc_status_mirror: reflects the value in the IPC Status CSR register
242  * @sleep_notif: indicates the peripheral sleep status
243  * @reserved: reserved
244  */
245 struct iwl_prph_info {
246 	__le32 boot_stage_mirror;
247 	__le32 ipc_status_mirror;
248 	__le32 sleep_notif;
249 	__le32 reserved;
250 } __packed; /* PERIPH_INFO_S */
251 
252 /**
253  * struct iwl_context_info_v2 - device INIT configuration
254  * @version: version of the context information
255  * @size: size of context information in DWs
256  * @config: context in which the peripheral would execute - a subset of
257  *	capability csr register published by the peripheral
258  * @prph_info_base_addr: the peripheral information structure start address
259  * @cr_head_idx_arr_base_addr: the completion ring head index array
260  *	start address
261  * @tr_tail_idx_arr_base_addr: the transfer ring tail index array
262  *	start address
263  * @cr_tail_idx_arr_base_addr: the completion ring tail index array
264  *	start address
265  * @tr_head_idx_arr_base_addr: the transfer ring head index array
266  *	start address
267  * @cr_idx_arr_size: number of entries in the completion ring index array
268  * @tr_idx_arr_size: number of entries in the transfer ring index array
269  * @mtr_base_addr: the message transfer ring start address
270  * @mcr_base_addr: the message completion ring start address
271  * @mtr_size: number of entries which the message transfer ring can hold
272  * @mcr_size: number of entries which the message completion ring can hold
273  * @mtr_doorbell_vec: the doorbell vector associated with the message
274  *	transfer ring
275  * @mcr_doorbell_vec: the doorbell vector associated with the message
276  *	completion ring
277  * @mtr_msi_vec: the MSI which shall be generated by the peripheral after
278  *	completing a transfer descriptor in the message transfer ring
279  * @mcr_msi_vec: the MSI which shall be generated by the peripheral after
280  *	completing a completion descriptor in the message completion ring
281  * @mtr_opt_header_size: the size of the optional header in the transfer
282  *	descriptor associated with the message transfer ring in DWs
283  * @mtr_opt_footer_size: the size of the optional footer in the transfer
284  *	descriptor associated with the message transfer ring in DWs
285  * @mcr_opt_header_size: the size of the optional header in the completion
286  *	descriptor associated with the message completion ring in DWs
287  * @mcr_opt_footer_size: the size of the optional footer in the completion
288  *	descriptor associated with the message completion ring in DWs
289  * @msg_rings_ctrl_flags: message rings control flags
290  * @prph_info_msi_vec: the MSI which shall be generated by the peripheral
291  *	after updating the Peripheral Information structure
292  * @prph_scratch_base_addr: the peripheral scratch structure start address
293  * @prph_scratch_size: the size of the peripheral scratch structure in DWs
294  * @reserved: reserved
295  */
296 struct iwl_context_info_v2 {
297 	__le16 version;
298 	__le16 size;
299 	__le32 config;
300 	__le64 prph_info_base_addr;
301 	__le64 cr_head_idx_arr_base_addr;
302 	__le64 tr_tail_idx_arr_base_addr;
303 	__le64 cr_tail_idx_arr_base_addr;
304 	__le64 tr_head_idx_arr_base_addr;
305 	__le16 cr_idx_arr_size;
306 	__le16 tr_idx_arr_size;
307 	__le64 mtr_base_addr;
308 	__le64 mcr_base_addr;
309 	__le16 mtr_size;
310 	__le16 mcr_size;
311 	__le16 mtr_doorbell_vec;
312 	__le16 mcr_doorbell_vec;
313 	__le16 mtr_msi_vec;
314 	__le16 mcr_msi_vec;
315 	u8 mtr_opt_header_size;
316 	u8 mtr_opt_footer_size;
317 	u8 mcr_opt_header_size;
318 	u8 mcr_opt_footer_size;
319 	__le16 msg_rings_ctrl_flags;
320 	__le16 prph_info_msi_vec;
321 	__le64 prph_scratch_base_addr;
322 	__le32 prph_scratch_size;
323 	__le32 reserved;
324 } __packed; /* IPC_CONTEXT_INFO_S */
325 
326 int iwl_pcie_ctxt_info_v2_alloc(struct iwl_trans *trans,
327 				const struct iwl_fw *fw,
328 				const struct fw_img *img);
329 void iwl_pcie_ctxt_info_v2_kick(struct iwl_trans *trans);
330 void iwl_pcie_ctxt_info_v2_free(struct iwl_trans *trans, bool alive);
331 
332 int iwl_trans_pcie_ctx_info_v2_load_pnvm(struct iwl_trans *trans,
333 					 const struct iwl_pnvm_image *pnvm_payloads,
334 					 const struct iwl_ucode_capabilities *capa);
335 void iwl_trans_pcie_ctx_info_v2_set_pnvm(struct iwl_trans *trans,
336 					 const struct iwl_ucode_capabilities *capa);
337 int
338 iwl_trans_pcie_ctx_info_v2_load_reduce_power(struct iwl_trans *trans,
339 					     const struct iwl_pnvm_image *payloads,
340 					     const struct iwl_ucode_capabilities *capa);
341 void
342 iwl_trans_pcie_ctx_info_v2_set_reduce_power(struct iwl_trans *trans,
343 					    const struct iwl_ucode_capabilities *capa);
344 #endif /* __iwl_context_info_file_v2_h__ */
345