xref: /linux/drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h (revision 88872790923e2d80edf29a00b4e440f1473fa8f5)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2018, 2020-2022 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_SCTATCH_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  */
60 enum iwl_prph_scratch_flags {
61 	IWL_PRPH_SCRATCH_IMR_DEBUG_EN		= BIT(1),
62 	IWL_PRPH_SCRATCH_EARLY_DEBUG_EN		= BIT(4),
63 	IWL_PRPH_SCRATCH_EDBG_DEST_DRAM		= BIT(8),
64 	IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL	= BIT(9),
65 	IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER	= BIT(10),
66 	IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF	= BIT(11),
67 	IWL_PRPH_SCRATCH_RB_SIZE_4K		= BIT(16),
68 	IWL_PRPH_SCRATCH_MTR_MODE		= BIT(17),
69 	IWL_PRPH_SCRATCH_MTR_FORMAT		= BIT(18) | BIT(19),
70 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK	= 0xf << 20,
71 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K		= 8 << 20,
72 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K	= 9 << 20,
73 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K	= 10 << 20,
74 };
75 
76 /*
77  * struct iwl_prph_scratch_version - version structure
78  * @mac_id: SKU and revision id
79  * @version: prph scratch information version id
80  * @size: the size of the context information in DWs
81  * @reserved: reserved
82  */
83 struct iwl_prph_scratch_version {
84 	__le16 mac_id;
85 	__le16 version;
86 	__le16 size;
87 	__le16 reserved;
88 } __packed; /* PERIPH_SCRATCH_VERSION_S */
89 
90 /*
91  * struct iwl_prph_scratch_control - control structure
92  * @control_flags: context information flags see &enum iwl_prph_scratch_flags
93  * @reserved: reserved
94  */
95 struct iwl_prph_scratch_control {
96 	__le32 control_flags;
97 	__le32 reserved;
98 } __packed; /* PERIPH_SCRATCH_CONTROL_S */
99 
100 /*
101  * struct iwl_prph_scratch_pnvm_cfg - PNVM scratch
102  * @pnvm_base_addr: PNVM start address
103  * @pnvm_size: the size of the PNVM image in bytes
104  * @reserved: reserved
105  */
106 struct iwl_prph_scratch_pnvm_cfg {
107 	__le64 pnvm_base_addr;
108 	__le32 pnvm_size;
109 	__le32 reserved;
110 } __packed; /* PERIPH_SCRATCH_PNVM_CFG_S */
111 
112 /**
113  * struct iwl_prph_scrath_mem_desc_addr_array
114  * @mem_descs: array of dram addresses.
115  * Each address is the beggining of a pnvm payload.
116  */
117 struct iwl_prph_scrath_mem_desc_addr_array {
118 	__le64 mem_descs[IPC_DRAM_MAP_ENTRY_NUM_MAX];
119 } __packed; /* PERIPH_SCRATCH_MEM_DESC_ADDR_ARRAY_S_VER_1 */
120 /*
121  * struct iwl_prph_scratch_hwm_cfg - hwm config
122  * @hwm_base_addr: hwm start address
123  * @hwm_size: hwm size in DWs
124  * @debug_token_config: debug preset
125  */
126 struct iwl_prph_scratch_hwm_cfg {
127 	__le64 hwm_base_addr;
128 	__le32 hwm_size;
129 	__le32 debug_token_config;
130 } __packed; /* PERIPH_SCRATCH_HWM_CFG_S */
131 
132 /*
133  * struct iwl_prph_scratch_rbd_cfg - RBDs configuration
134  * @free_rbd_addr: default queue free RB CB base address
135  * @reserved: reserved
136  */
137 struct iwl_prph_scratch_rbd_cfg {
138 	__le64 free_rbd_addr;
139 	__le32 reserved;
140 } __packed; /* PERIPH_SCRATCH_RBD_CFG_S */
141 
142 /*
143  * struct iwl_prph_scratch_uefi_cfg - prph scratch reduce power table
144  * @base_addr: reduce power table address
145  * @size: the size of the entire power table image
146  */
147 struct iwl_prph_scratch_uefi_cfg {
148 	__le64 base_addr;
149 	__le32 size;
150 	__le32 reserved;
151 } __packed; /* PERIPH_SCRATCH_UEFI_CFG_S */
152 
153 /*
154  * struct iwl_prph_scratch_step_cfg - prph scratch step configuration
155  * @mbx_addr_0: [0:7] revision,
156  *		[8:15] cnvi_to_cnvr length,
157  *		[16:23] cnvr_to_cnvi channel length,
158  *		[24:31] radio1 reserved
159  * @mbx_addr_1: [0:7] radio2 reserved
160  */
161 
162 struct iwl_prph_scratch_step_cfg {
163 	__le32 mbx_addr_0;
164 	__le32 mbx_addr_1;
165 } __packed;
166 
167 /*
168  * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config
169  * @version: version information of context info and HW
170  * @control: control flags of FH configurations
171  * @pnvm_cfg: ror configuration
172  * @hwm_cfg: hwm configuration
173  * @rbd_cfg: default RX queue configuration
174  * @step_cfg: step configuration
175  */
176 struct iwl_prph_scratch_ctrl_cfg {
177 	struct iwl_prph_scratch_version version;
178 	struct iwl_prph_scratch_control control;
179 	struct iwl_prph_scratch_pnvm_cfg pnvm_cfg;
180 	struct iwl_prph_scratch_hwm_cfg hwm_cfg;
181 	struct iwl_prph_scratch_rbd_cfg rbd_cfg;
182 	struct iwl_prph_scratch_uefi_cfg reduce_power_cfg;
183 	struct iwl_prph_scratch_step_cfg step_cfg;
184 } __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */
185 
186 /*
187  * struct iwl_prph_scratch - peripheral scratch mapping
188  * @ctrl_cfg: control and configuration of prph scratch
189  * @dram: firmware images addresses in DRAM
190  * @reserved: reserved
191  */
192 struct iwl_prph_scratch {
193 	struct iwl_prph_scratch_ctrl_cfg ctrl_cfg;
194 	__le32 reserved[10];
195 	struct iwl_context_info_dram dram;
196 } __packed; /* PERIPH_SCRATCH_S */
197 
198 /*
199  * struct iwl_prph_info - peripheral information
200  * @boot_stage_mirror: reflects the value in the Boot Stage CSR register
201  * @ipc_status_mirror: reflects the value in the IPC Status CSR register
202  * @sleep_notif: indicates the peripheral sleep status
203  * @reserved: reserved
204  */
205 struct iwl_prph_info {
206 	__le32 boot_stage_mirror;
207 	__le32 ipc_status_mirror;
208 	__le32 sleep_notif;
209 	__le32 reserved;
210 } __packed; /* PERIPH_INFO_S */
211 
212 /*
213  * struct iwl_context_info_gen3 - device INIT configuration
214  * @version: version of the context information
215  * @size: size of context information in DWs
216  * @config: context in which the peripheral would execute - a subset of
217  *	capability csr register published by the peripheral
218  * @prph_info_base_addr: the peripheral information structure start address
219  * @cr_head_idx_arr_base_addr: the completion ring head index array
220  *	start address
221  * @tr_tail_idx_arr_base_addr: the transfer ring tail index array
222  *	start address
223  * @cr_tail_idx_arr_base_addr: the completion ring tail index array
224  *	start address
225  * @tr_head_idx_arr_base_addr: the transfer ring head index array
226  *	start address
227  * @cr_idx_arr_size: number of entries in the completion ring index array
228  * @tr_idx_arr_size: number of entries in the transfer ring index array
229  * @mtr_base_addr: the message transfer ring start address
230  * @mcr_base_addr: the message completion ring start address
231  * @mtr_size: number of entries which the message transfer ring can hold
232  * @mcr_size: number of entries which the message completion ring can hold
233  * @mtr_doorbell_vec: the doorbell vector associated with the message
234  *	transfer ring
235  * @mcr_doorbell_vec: the doorbell vector associated with the message
236  *	completion ring
237  * @mtr_msi_vec: the MSI which shall be generated by the peripheral after
238  *	completing a transfer descriptor in the message transfer ring
239  * @mcr_msi_vec: the MSI which shall be generated by the peripheral after
240  *	completing a completion descriptor in the message completion ring
241  * @mtr_opt_header_size: the size of the optional header in the transfer
242  *	descriptor associated with the message transfer ring in DWs
243  * @mtr_opt_footer_size: the size of the optional footer in the transfer
244  *	descriptor associated with the message transfer ring in DWs
245  * @mcr_opt_header_size: the size of the optional header in the completion
246  *	descriptor associated with the message completion ring in DWs
247  * @mcr_opt_footer_size: the size of the optional footer in the completion
248  *	descriptor associated with the message completion ring in DWs
249  * @msg_rings_ctrl_flags: message rings control flags
250  * @prph_info_msi_vec: the MSI which shall be generated by the peripheral
251  *	after updating the Peripheral Information structure
252  * @prph_scratch_base_addr: the peripheral scratch structure start address
253  * @prph_scratch_size: the size of the peripheral scratch structure in DWs
254  * @reserved: reserved
255  */
256 struct iwl_context_info_gen3 {
257 	__le16 version;
258 	__le16 size;
259 	__le32 config;
260 	__le64 prph_info_base_addr;
261 	__le64 cr_head_idx_arr_base_addr;
262 	__le64 tr_tail_idx_arr_base_addr;
263 	__le64 cr_tail_idx_arr_base_addr;
264 	__le64 tr_head_idx_arr_base_addr;
265 	__le16 cr_idx_arr_size;
266 	__le16 tr_idx_arr_size;
267 	__le64 mtr_base_addr;
268 	__le64 mcr_base_addr;
269 	__le16 mtr_size;
270 	__le16 mcr_size;
271 	__le16 mtr_doorbell_vec;
272 	__le16 mcr_doorbell_vec;
273 	__le16 mtr_msi_vec;
274 	__le16 mcr_msi_vec;
275 	u8 mtr_opt_header_size;
276 	u8 mtr_opt_footer_size;
277 	u8 mcr_opt_header_size;
278 	u8 mcr_opt_footer_size;
279 	__le16 msg_rings_ctrl_flags;
280 	__le16 prph_info_msi_vec;
281 	__le64 prph_scratch_base_addr;
282 	__le32 prph_scratch_size;
283 	__le32 reserved;
284 } __packed; /* IPC_CONTEXT_INFO_S */
285 
286 int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
287 				 const struct fw_img *fw);
288 void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans, bool alive);
289 
290 int iwl_trans_pcie_ctx_info_gen3_load_pnvm(struct iwl_trans *trans,
291 					   const struct iwl_pnvm_image *pnvm_payloads,
292 					   const struct iwl_ucode_capabilities *capa);
293 void iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans,
294 					   const struct iwl_ucode_capabilities *capa);
295 int
296 iwl_trans_pcie_ctx_info_gen3_load_reduce_power(struct iwl_trans *trans,
297 					       const struct iwl_pnvm_image *payloads,
298 					       const struct iwl_ucode_capabilities *capa);
299 void
300 iwl_trans_pcie_ctx_info_gen3_set_reduce_power(struct iwl_trans *trans,
301 					      const struct iwl_ucode_capabilities *capa);
302 int iwl_trans_pcie_ctx_info_gen3_set_step(struct iwl_trans *trans,
303 					  u32 mbx_addr_0_step, u32 mbx_addr_1_step);
304 #endif /* __iwl_context_info_file_gen3_h__ */
305