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  * enum iwl_prph_scratch_ext_flags - PRPH scratch control ext flags
81  * @IWL_PRPH_SCRATCH_EXT_URM_FW: switch to URM mode based on fw setting
82  * @IWL_PRPH_SCRATCH_EXT_URM_PERM: switch to permanent URM mode
83  */
84 enum iwl_prph_scratch_ext_flags {
85 	IWL_PRPH_SCRATCH_EXT_URM_FW	= BIT(4),
86 	IWL_PRPH_SCRATCH_EXT_URM_PERM	= BIT(5),
87 };
88 
89 /**
90  * struct iwl_prph_scratch_version - version structure
91  * @mac_id: SKU and revision id
92  * @version: prph scratch information version id
93  * @size: the size of the context information in DWs
94  * @reserved: reserved
95  */
96 struct iwl_prph_scratch_version {
97 	__le16 mac_id;
98 	__le16 version;
99 	__le16 size;
100 	__le16 reserved;
101 } __packed; /* PERIPH_SCRATCH_VERSION_S */
102 
103 /**
104  * struct iwl_prph_scratch_control - control structure
105  * @control_flags: context information flags see &enum iwl_prph_scratch_flags
106  * @control_flags_ext: context information for extended flags,
107  *	see &enum iwl_prph_scratch_ext_flags
108  */
109 struct iwl_prph_scratch_control {
110 	__le32 control_flags;
111 	__le32 control_flags_ext;
112 } __packed; /* PERIPH_SCRATCH_CONTROL_S */
113 
114 /**
115  * struct iwl_prph_scratch_pnvm_cfg - PNVM scratch
116  * @pnvm_base_addr: PNVM start address
117  * @pnvm_size: the size of the PNVM image in bytes
118  * @reserved: reserved
119  */
120 struct iwl_prph_scratch_pnvm_cfg {
121 	__le64 pnvm_base_addr;
122 	__le32 pnvm_size;
123 	__le32 reserved;
124 } __packed; /* PERIPH_SCRATCH_PNVM_CFG_S */
125 
126 /**
127  * struct iwl_prph_scrath_mem_desc_addr_array
128  * @mem_descs: array of dram addresses.
129  * Each address is the beggining of a pnvm payload.
130  */
131 struct iwl_prph_scrath_mem_desc_addr_array {
132 	__le64 mem_descs[IPC_DRAM_MAP_ENTRY_NUM_MAX];
133 } __packed; /* PERIPH_SCRATCH_MEM_DESC_ADDR_ARRAY_S_VER_1 */
134 
135 /**
136  * struct iwl_prph_scratch_hwm_cfg - hwm config
137  * @hwm_base_addr: hwm start address
138  * @hwm_size: hwm size in DWs
139  * @debug_token_config: debug preset
140  */
141 struct iwl_prph_scratch_hwm_cfg {
142 	__le64 hwm_base_addr;
143 	__le32 hwm_size;
144 	__le32 debug_token_config;
145 } __packed; /* PERIPH_SCRATCH_HWM_CFG_S */
146 
147 /**
148  * struct iwl_prph_scratch_rbd_cfg - RBDs configuration
149  * @free_rbd_addr: default queue free RB CB base address
150  * @reserved: reserved
151  */
152 struct iwl_prph_scratch_rbd_cfg {
153 	__le64 free_rbd_addr;
154 	__le32 reserved;
155 } __packed; /* PERIPH_SCRATCH_RBD_CFG_S */
156 
157 /**
158  * struct iwl_prph_scratch_uefi_cfg - prph scratch reduce power table
159  * @base_addr: reduce power table address
160  * @size: the size of the entire power table image
161  * @reserved: (reserved)
162  */
163 struct iwl_prph_scratch_uefi_cfg {
164 	__le64 base_addr;
165 	__le32 size;
166 	__le32 reserved;
167 } __packed; /* PERIPH_SCRATCH_UEFI_CFG_S */
168 
169 /**
170  * struct iwl_prph_scratch_step_cfg - prph scratch step configuration
171  * @mbx_addr_0: [0:7] revision,
172  *		[8:15] cnvi_to_cnvr length,
173  *		[16:23] cnvr_to_cnvi channel length,
174  *		[24:31] radio1 reserved
175  * @mbx_addr_1: [0:7] radio2 reserved
176  */
177 
178 struct iwl_prph_scratch_step_cfg {
179 	__le32 mbx_addr_0;
180 	__le32 mbx_addr_1;
181 } __packed;
182 
183 /**
184  * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config
185  * @version: version information of context info and HW
186  * @control: control flags of FH configurations
187  * @pnvm_cfg: ror configuration
188  * @hwm_cfg: hwm configuration
189  * @rbd_cfg: default RX queue configuration
190  * @reduce_power_cfg: UEFI power reduction table
191  * @step_cfg: step configuration
192  */
193 struct iwl_prph_scratch_ctrl_cfg {
194 	struct iwl_prph_scratch_version version;
195 	struct iwl_prph_scratch_control control;
196 	struct iwl_prph_scratch_pnvm_cfg pnvm_cfg;
197 	struct iwl_prph_scratch_hwm_cfg hwm_cfg;
198 	struct iwl_prph_scratch_rbd_cfg rbd_cfg;
199 	struct iwl_prph_scratch_uefi_cfg reduce_power_cfg;
200 	struct iwl_prph_scratch_step_cfg step_cfg;
201 } __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */
202 
203 /**
204  * struct iwl_prph_scratch - peripheral scratch mapping
205  * @ctrl_cfg: control and configuration of prph scratch
206  * @dram: firmware images addresses in DRAM
207  * @fseq_override: FSEQ override parameters
208  * @step_analog_params: STEP analog calibration values
209  * @reserved: reserved
210  */
211 struct iwl_prph_scratch {
212 	struct iwl_prph_scratch_ctrl_cfg ctrl_cfg;
213 	__le32 fseq_override;
214 	__le32 step_analog_params;
215 	__le32 reserved[8];
216 	struct iwl_context_info_dram dram;
217 } __packed; /* PERIPH_SCRATCH_S */
218 
219 /**
220  * struct iwl_prph_info - peripheral information
221  * @boot_stage_mirror: reflects the value in the Boot Stage CSR register
222  * @ipc_status_mirror: reflects the value in the IPC Status CSR register
223  * @sleep_notif: indicates the peripheral sleep status
224  * @reserved: reserved
225  */
226 struct iwl_prph_info {
227 	__le32 boot_stage_mirror;
228 	__le32 ipc_status_mirror;
229 	__le32 sleep_notif;
230 	__le32 reserved;
231 } __packed; /* PERIPH_INFO_S */
232 
233 /**
234  * struct iwl_context_info_gen3 - device INIT configuration
235  * @version: version of the context information
236  * @size: size of context information in DWs
237  * @config: context in which the peripheral would execute - a subset of
238  *	capability csr register published by the peripheral
239  * @prph_info_base_addr: the peripheral information structure start address
240  * @cr_head_idx_arr_base_addr: the completion ring head index array
241  *	start address
242  * @tr_tail_idx_arr_base_addr: the transfer ring tail index array
243  *	start address
244  * @cr_tail_idx_arr_base_addr: the completion ring tail index array
245  *	start address
246  * @tr_head_idx_arr_base_addr: the transfer ring head index array
247  *	start address
248  * @cr_idx_arr_size: number of entries in the completion ring index array
249  * @tr_idx_arr_size: number of entries in the transfer ring index array
250  * @mtr_base_addr: the message transfer ring start address
251  * @mcr_base_addr: the message completion ring start address
252  * @mtr_size: number of entries which the message transfer ring can hold
253  * @mcr_size: number of entries which the message completion ring can hold
254  * @mtr_doorbell_vec: the doorbell vector associated with the message
255  *	transfer ring
256  * @mcr_doorbell_vec: the doorbell vector associated with the message
257  *	completion ring
258  * @mtr_msi_vec: the MSI which shall be generated by the peripheral after
259  *	completing a transfer descriptor in the message transfer ring
260  * @mcr_msi_vec: the MSI which shall be generated by the peripheral after
261  *	completing a completion descriptor in the message completion ring
262  * @mtr_opt_header_size: the size of the optional header in the transfer
263  *	descriptor associated with the message transfer ring in DWs
264  * @mtr_opt_footer_size: the size of the optional footer in the transfer
265  *	descriptor associated with the message transfer ring in DWs
266  * @mcr_opt_header_size: the size of the optional header in the completion
267  *	descriptor associated with the message completion ring in DWs
268  * @mcr_opt_footer_size: the size of the optional footer in the completion
269  *	descriptor associated with the message completion ring in DWs
270  * @msg_rings_ctrl_flags: message rings control flags
271  * @prph_info_msi_vec: the MSI which shall be generated by the peripheral
272  *	after updating the Peripheral Information structure
273  * @prph_scratch_base_addr: the peripheral scratch structure start address
274  * @prph_scratch_size: the size of the peripheral scratch structure in DWs
275  * @reserved: reserved
276  */
277 struct iwl_context_info_gen3 {
278 	__le16 version;
279 	__le16 size;
280 	__le32 config;
281 	__le64 prph_info_base_addr;
282 	__le64 cr_head_idx_arr_base_addr;
283 	__le64 tr_tail_idx_arr_base_addr;
284 	__le64 cr_tail_idx_arr_base_addr;
285 	__le64 tr_head_idx_arr_base_addr;
286 	__le16 cr_idx_arr_size;
287 	__le16 tr_idx_arr_size;
288 	__le64 mtr_base_addr;
289 	__le64 mcr_base_addr;
290 	__le16 mtr_size;
291 	__le16 mcr_size;
292 	__le16 mtr_doorbell_vec;
293 	__le16 mcr_doorbell_vec;
294 	__le16 mtr_msi_vec;
295 	__le16 mcr_msi_vec;
296 	u8 mtr_opt_header_size;
297 	u8 mtr_opt_footer_size;
298 	u8 mcr_opt_header_size;
299 	u8 mcr_opt_footer_size;
300 	__le16 msg_rings_ctrl_flags;
301 	__le16 prph_info_msi_vec;
302 	__le64 prph_scratch_base_addr;
303 	__le32 prph_scratch_size;
304 	__le32 reserved;
305 } __packed; /* IPC_CONTEXT_INFO_S */
306 
307 int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
308 				 const struct fw_img *fw);
309 void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans, bool alive);
310 
311 int iwl_trans_pcie_ctx_info_gen3_load_pnvm(struct iwl_trans *trans,
312 					   const struct iwl_pnvm_image *pnvm_payloads,
313 					   const struct iwl_ucode_capabilities *capa);
314 void iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans,
315 					   const struct iwl_ucode_capabilities *capa);
316 int
317 iwl_trans_pcie_ctx_info_gen3_load_reduce_power(struct iwl_trans *trans,
318 					       const struct iwl_pnvm_image *payloads,
319 					       const struct iwl_ucode_capabilities *capa);
320 void
321 iwl_trans_pcie_ctx_info_gen3_set_reduce_power(struct iwl_trans *trans,
322 					      const struct iwl_ucode_capabilities *capa);
323 int iwl_trans_pcie_ctx_info_gen3_set_step(struct iwl_trans *trans,
324 					  u32 mbx_addr_0_step, u32 mbx_addr_1_step);
325 #endif /* __iwl_context_info_file_gen3_h__ */
326