xref: /linux/drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h (revision 621cde16e49b3ecf7d59a8106a20aaebfb4a59a9)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2018, 2020-2024 Intel Corporation
4  */
5 #ifndef __iwl_context_info_file_gen3_h__
6 #define __iwl_context_info_file_gen3_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  */
62 enum iwl_prph_scratch_flags {
63 	IWL_PRPH_SCRATCH_IMR_DEBUG_EN		= BIT(1),
64 	IWL_PRPH_SCRATCH_EARLY_DEBUG_EN		= BIT(4),
65 	IWL_PRPH_SCRATCH_EDBG_DEST_DRAM		= BIT(8),
66 	IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL	= BIT(9),
67 	IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER	= BIT(10),
68 	IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF	= BIT(11),
69 	IWL_PRPH_SCRATCH_RB_SIZE_4K		= BIT(16),
70 	IWL_PRPH_SCRATCH_MTR_MODE		= BIT(17),
71 	IWL_PRPH_SCRATCH_MTR_FORMAT		= BIT(18) | BIT(19),
72 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK	= 0xf << 20,
73 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K		= 8 << 20,
74 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K	= 9 << 20,
75 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K	= 10 << 20,
76 	IWL_PRPH_SCRATCH_SCU_FORCE_ACTIVE	= BIT(29),
77 };
78 
79 /*
80  * struct iwl_prph_scratch_version - version structure
81  * @mac_id: SKU and revision id
82  * @version: prph scratch information version id
83  * @size: the size of the context information in DWs
84  * @reserved: reserved
85  */
86 struct iwl_prph_scratch_version {
87 	__le16 mac_id;
88 	__le16 version;
89 	__le16 size;
90 	__le16 reserved;
91 } __packed; /* PERIPH_SCRATCH_VERSION_S */
92 
93 /*
94  * struct iwl_prph_scratch_control - control structure
95  * @control_flags: context information flags see &enum iwl_prph_scratch_flags
96  * @reserved: reserved
97  */
98 struct iwl_prph_scratch_control {
99 	__le32 control_flags;
100 	__le32 reserved;
101 } __packed; /* PERIPH_SCRATCH_CONTROL_S */
102 
103 /*
104  * struct iwl_prph_scratch_pnvm_cfg - PNVM scratch
105  * @pnvm_base_addr: PNVM start address
106  * @pnvm_size: the size of the PNVM image in bytes
107  * @reserved: reserved
108  */
109 struct iwl_prph_scratch_pnvm_cfg {
110 	__le64 pnvm_base_addr;
111 	__le32 pnvm_size;
112 	__le32 reserved;
113 } __packed; /* PERIPH_SCRATCH_PNVM_CFG_S */
114 
115 /**
116  * struct iwl_prph_scrath_mem_desc_addr_array
117  * @mem_descs: array of dram addresses.
118  * Each address is the beggining of a pnvm payload.
119  */
120 struct iwl_prph_scrath_mem_desc_addr_array {
121 	__le64 mem_descs[IPC_DRAM_MAP_ENTRY_NUM_MAX];
122 } __packed; /* PERIPH_SCRATCH_MEM_DESC_ADDR_ARRAY_S_VER_1 */
123 /*
124  * struct iwl_prph_scratch_hwm_cfg - hwm config
125  * @hwm_base_addr: hwm start address
126  * @hwm_size: hwm size in DWs
127  * @debug_token_config: debug preset
128  */
129 struct iwl_prph_scratch_hwm_cfg {
130 	__le64 hwm_base_addr;
131 	__le32 hwm_size;
132 	__le32 debug_token_config;
133 } __packed; /* PERIPH_SCRATCH_HWM_CFG_S */
134 
135 /*
136  * struct iwl_prph_scratch_rbd_cfg - RBDs configuration
137  * @free_rbd_addr: default queue free RB CB base address
138  * @reserved: reserved
139  */
140 struct iwl_prph_scratch_rbd_cfg {
141 	__le64 free_rbd_addr;
142 	__le32 reserved;
143 } __packed; /* PERIPH_SCRATCH_RBD_CFG_S */
144 
145 /*
146  * struct iwl_prph_scratch_uefi_cfg - prph scratch reduce power table
147  * @base_addr: reduce power table address
148  * @size: the size of the entire power table image
149  */
150 struct iwl_prph_scratch_uefi_cfg {
151 	__le64 base_addr;
152 	__le32 size;
153 	__le32 reserved;
154 } __packed; /* PERIPH_SCRATCH_UEFI_CFG_S */
155 
156 /*
157  * struct iwl_prph_scratch_step_cfg - prph scratch step configuration
158  * @mbx_addr_0: [0:7] revision,
159  *		[8:15] cnvi_to_cnvr length,
160  *		[16:23] cnvr_to_cnvi channel length,
161  *		[24:31] radio1 reserved
162  * @mbx_addr_1: [0:7] radio2 reserved
163  */
164 
165 struct iwl_prph_scratch_step_cfg {
166 	__le32 mbx_addr_0;
167 	__le32 mbx_addr_1;
168 } __packed;
169 
170 /*
171  * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config
172  * @version: version information of context info and HW
173  * @control: control flags of FH configurations
174  * @pnvm_cfg: ror configuration
175  * @hwm_cfg: hwm configuration
176  * @rbd_cfg: default RX queue configuration
177  * @step_cfg: step configuration
178  */
179 struct iwl_prph_scratch_ctrl_cfg {
180 	struct iwl_prph_scratch_version version;
181 	struct iwl_prph_scratch_control control;
182 	struct iwl_prph_scratch_pnvm_cfg pnvm_cfg;
183 	struct iwl_prph_scratch_hwm_cfg hwm_cfg;
184 	struct iwl_prph_scratch_rbd_cfg rbd_cfg;
185 	struct iwl_prph_scratch_uefi_cfg reduce_power_cfg;
186 	struct iwl_prph_scratch_step_cfg step_cfg;
187 } __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */
188 
189 /*
190  * struct iwl_prph_scratch - peripheral scratch mapping
191  * @ctrl_cfg: control and configuration of prph scratch
192  * @dram: firmware images addresses in DRAM
193  * @fseq_override: FSEQ override parameters
194  * @step_analog_params: STEP analog calibration values
195  * @reserved: reserved
196  */
197 struct iwl_prph_scratch {
198 	struct iwl_prph_scratch_ctrl_cfg ctrl_cfg;
199 	__le32 fseq_override;
200 	__le32 step_analog_params;
201 	__le32 reserved[8];
202 	struct iwl_context_info_dram dram;
203 } __packed; /* PERIPH_SCRATCH_S */
204 
205 /*
206  * struct iwl_prph_info - peripheral information
207  * @boot_stage_mirror: reflects the value in the Boot Stage CSR register
208  * @ipc_status_mirror: reflects the value in the IPC Status CSR register
209  * @sleep_notif: indicates the peripheral sleep status
210  * @reserved: reserved
211  */
212 struct iwl_prph_info {
213 	__le32 boot_stage_mirror;
214 	__le32 ipc_status_mirror;
215 	__le32 sleep_notif;
216 	__le32 reserved;
217 } __packed; /* PERIPH_INFO_S */
218 
219 /*
220  * struct iwl_context_info_gen3 - device INIT configuration
221  * @version: version of the context information
222  * @size: size of context information in DWs
223  * @config: context in which the peripheral would execute - a subset of
224  *	capability csr register published by the peripheral
225  * @prph_info_base_addr: the peripheral information structure start address
226  * @cr_head_idx_arr_base_addr: the completion ring head index array
227  *	start address
228  * @tr_tail_idx_arr_base_addr: the transfer ring tail index array
229  *	start address
230  * @cr_tail_idx_arr_base_addr: the completion ring tail index array
231  *	start address
232  * @tr_head_idx_arr_base_addr: the transfer ring head index array
233  *	start address
234  * @cr_idx_arr_size: number of entries in the completion ring index array
235  * @tr_idx_arr_size: number of entries in the transfer ring index array
236  * @mtr_base_addr: the message transfer ring start address
237  * @mcr_base_addr: the message completion ring start address
238  * @mtr_size: number of entries which the message transfer ring can hold
239  * @mcr_size: number of entries which the message completion ring can hold
240  * @mtr_doorbell_vec: the doorbell vector associated with the message
241  *	transfer ring
242  * @mcr_doorbell_vec: the doorbell vector associated with the message
243  *	completion ring
244  * @mtr_msi_vec: the MSI which shall be generated by the peripheral after
245  *	completing a transfer descriptor in the message transfer ring
246  * @mcr_msi_vec: the MSI which shall be generated by the peripheral after
247  *	completing a completion descriptor in the message completion ring
248  * @mtr_opt_header_size: the size of the optional header in the transfer
249  *	descriptor associated with the message transfer ring in DWs
250  * @mtr_opt_footer_size: the size of the optional footer in the transfer
251  *	descriptor associated with the message transfer ring in DWs
252  * @mcr_opt_header_size: the size of the optional header in the completion
253  *	descriptor associated with the message completion ring in DWs
254  * @mcr_opt_footer_size: the size of the optional footer in the completion
255  *	descriptor associated with the message completion ring in DWs
256  * @msg_rings_ctrl_flags: message rings control flags
257  * @prph_info_msi_vec: the MSI which shall be generated by the peripheral
258  *	after updating the Peripheral Information structure
259  * @prph_scratch_base_addr: the peripheral scratch structure start address
260  * @prph_scratch_size: the size of the peripheral scratch structure in DWs
261  * @reserved: reserved
262  */
263 struct iwl_context_info_gen3 {
264 	__le16 version;
265 	__le16 size;
266 	__le32 config;
267 	__le64 prph_info_base_addr;
268 	__le64 cr_head_idx_arr_base_addr;
269 	__le64 tr_tail_idx_arr_base_addr;
270 	__le64 cr_tail_idx_arr_base_addr;
271 	__le64 tr_head_idx_arr_base_addr;
272 	__le16 cr_idx_arr_size;
273 	__le16 tr_idx_arr_size;
274 	__le64 mtr_base_addr;
275 	__le64 mcr_base_addr;
276 	__le16 mtr_size;
277 	__le16 mcr_size;
278 	__le16 mtr_doorbell_vec;
279 	__le16 mcr_doorbell_vec;
280 	__le16 mtr_msi_vec;
281 	__le16 mcr_msi_vec;
282 	u8 mtr_opt_header_size;
283 	u8 mtr_opt_footer_size;
284 	u8 mcr_opt_header_size;
285 	u8 mcr_opt_footer_size;
286 	__le16 msg_rings_ctrl_flags;
287 	__le16 prph_info_msi_vec;
288 	__le64 prph_scratch_base_addr;
289 	__le32 prph_scratch_size;
290 	__le32 reserved;
291 } __packed; /* IPC_CONTEXT_INFO_S */
292 
293 int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
294 				 const struct fw_img *fw);
295 void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans, bool alive);
296 
297 int iwl_trans_pcie_ctx_info_gen3_load_pnvm(struct iwl_trans *trans,
298 					   const struct iwl_pnvm_image *pnvm_payloads,
299 					   const struct iwl_ucode_capabilities *capa);
300 void iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans,
301 					   const struct iwl_ucode_capabilities *capa);
302 int
303 iwl_trans_pcie_ctx_info_gen3_load_reduce_power(struct iwl_trans *trans,
304 					       const struct iwl_pnvm_image *payloads,
305 					       const struct iwl_ucode_capabilities *capa);
306 void
307 iwl_trans_pcie_ctx_info_gen3_set_reduce_power(struct iwl_trans *trans,
308 					      const struct iwl_ucode_capabilities *capa);
309 int iwl_trans_pcie_ctx_info_gen3_set_step(struct iwl_trans *trans,
310 					  u32 mbx_addr_0_step, u32 mbx_addr_1_step);
311 #endif /* __iwl_context_info_file_gen3_h__ */
312