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 /* Set bit for enabling automatic function boot */
17 #define CSR_AUTO_FUNC_BOOT_ENA          BIT(1)
18 /* Set bit for initiating function boot */
19 #define CSR_AUTO_FUNC_INIT              BIT(7)
20 
21 /**
22  * enum iwl_prph_scratch_mtr_format - tfd size configuration
23  * @IWL_PRPH_MTR_FORMAT_16B: 16 bit tfd
24  * @IWL_PRPH_MTR_FORMAT_32B: 32 bit tfd
25  * @IWL_PRPH_MTR_FORMAT_64B: 64 bit tfd
26  * @IWL_PRPH_MTR_FORMAT_256B: 256 bit tfd
27  */
28 enum iwl_prph_scratch_mtr_format {
29 	IWL_PRPH_MTR_FORMAT_16B = 0x0,
30 	IWL_PRPH_MTR_FORMAT_32B = 0x40000,
31 	IWL_PRPH_MTR_FORMAT_64B = 0x80000,
32 	IWL_PRPH_MTR_FORMAT_256B = 0xC0000,
33 };
34 
35 /**
36  * enum iwl_prph_scratch_flags - PRPH scratch control flags
37  * @IWL_PRPH_SCRATCH_IMR_DEBUG_EN: IMR support for debug
38  * @IWL_PRPH_SCRATCH_EARLY_DEBUG_EN: enable early debug conf
39  * @IWL_PRPH_SCRATCH_EDBG_DEST_DRAM: use DRAM, with size allocated
40  *	in hwm config.
41  * @IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL: use buffer on SRAM
42  * @IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER: use st arbiter, mainly for
43  *	multicomm.
44  * @IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF: route debug data to SoC HW
45  * @IWL_PRPH_SCTATCH_RB_SIZE_4K: Use 4K RB size (the default is 2K)
46  * @IWL_PRPH_SCRATCH_MTR_MODE: format used for completion - 0: for
47  *	completion descriptor, 1 for responses (legacy)
48  * @IWL_PRPH_SCRATCH_MTR_FORMAT: a mask for the size of the tfd.
49  *	There are 4 optional values: 0: 16 bit, 1: 32 bit, 2: 64 bit,
50  *	3: 256 bit.
51  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK: RB size full information, ignored
52  *	by older firmware versions, so set IWL_PRPH_SCRATCH_RB_SIZE_4K
53  *	appropriately; use the below values for this.
54  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K: 8kB RB size
55  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K: 12kB RB size
56  * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K: 16kB RB size
57  */
58 enum iwl_prph_scratch_flags {
59 	IWL_PRPH_SCRATCH_IMR_DEBUG_EN		= BIT(1),
60 	IWL_PRPH_SCRATCH_EARLY_DEBUG_EN		= BIT(4),
61 	IWL_PRPH_SCRATCH_EDBG_DEST_DRAM		= BIT(8),
62 	IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL	= BIT(9),
63 	IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER	= BIT(10),
64 	IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF	= BIT(11),
65 	IWL_PRPH_SCRATCH_RB_SIZE_4K		= BIT(16),
66 	IWL_PRPH_SCRATCH_MTR_MODE		= BIT(17),
67 	IWL_PRPH_SCRATCH_MTR_FORMAT		= BIT(18) | BIT(19),
68 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK	= 0xf << 20,
69 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K		= 8 << 20,
70 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K	= 9 << 20,
71 	IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K	= 10 << 20,
72 };
73 
74 /*
75  * struct iwl_prph_scratch_version - version structure
76  * @mac_id: SKU and revision id
77  * @version: prph scratch information version id
78  * @size: the size of the context information in DWs
79  * @reserved: reserved
80  */
81 struct iwl_prph_scratch_version {
82 	__le16 mac_id;
83 	__le16 version;
84 	__le16 size;
85 	__le16 reserved;
86 } __packed; /* PERIPH_SCRATCH_VERSION_S */
87 
88 /*
89  * struct iwl_prph_scratch_control - control structure
90  * @control_flags: context information flags see &enum iwl_prph_scratch_flags
91  * @reserved: reserved
92  */
93 struct iwl_prph_scratch_control {
94 	__le32 control_flags;
95 	__le32 reserved;
96 } __packed; /* PERIPH_SCRATCH_CONTROL_S */
97 
98 /*
99  * struct iwl_prph_scratch_pnvm_cfg - ror config
100  * @pnvm_base_addr: PNVM start address
101  * @pnvm_size: PNVM size in DWs
102  * @reserved: reserved
103  */
104 struct iwl_prph_scratch_pnvm_cfg {
105 	__le64 pnvm_base_addr;
106 	__le32 pnvm_size;
107 	__le32 reserved;
108 } __packed; /* PERIPH_SCRATCH_PNVM_CFG_S */
109 
110 /*
111  * struct iwl_prph_scratch_hwm_cfg - hwm config
112  * @hwm_base_addr: hwm start address
113  * @hwm_size: hwm size in DWs
114  * @debug_token_config: debug preset
115  */
116 struct iwl_prph_scratch_hwm_cfg {
117 	__le64 hwm_base_addr;
118 	__le32 hwm_size;
119 	__le32 debug_token_config;
120 } __packed; /* PERIPH_SCRATCH_HWM_CFG_S */
121 
122 /*
123  * struct iwl_prph_scratch_rbd_cfg - RBDs configuration
124  * @free_rbd_addr: default queue free RB CB base address
125  * @reserved: reserved
126  */
127 struct iwl_prph_scratch_rbd_cfg {
128 	__le64 free_rbd_addr;
129 	__le32 reserved;
130 } __packed; /* PERIPH_SCRATCH_RBD_CFG_S */
131 
132 /*
133  * struct iwl_prph_scratch_uefi_cfg - prph scratch reduce power table
134  * @base_addr: reduce power table address
135  * @size: table size in dwords
136  */
137 struct iwl_prph_scratch_uefi_cfg {
138 	__le64 base_addr;
139 	__le32 size;
140 	__le32 reserved;
141 } __packed; /* PERIPH_SCRATCH_UEFI_CFG_S */
142 
143 /*
144  * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config
145  * @version: version information of context info and HW
146  * @control: control flags of FH configurations
147  * @pnvm_cfg: ror configuration
148  * @hwm_cfg: hwm configuration
149  * @rbd_cfg: default RX queue configuration
150  */
151 struct iwl_prph_scratch_ctrl_cfg {
152 	struct iwl_prph_scratch_version version;
153 	struct iwl_prph_scratch_control control;
154 	struct iwl_prph_scratch_pnvm_cfg pnvm_cfg;
155 	struct iwl_prph_scratch_hwm_cfg hwm_cfg;
156 	struct iwl_prph_scratch_rbd_cfg rbd_cfg;
157 	struct iwl_prph_scratch_uefi_cfg reduce_power_cfg;
158 } __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */
159 
160 /*
161  * struct iwl_prph_scratch - peripheral scratch mapping
162  * @ctrl_cfg: control and configuration of prph scratch
163  * @dram: firmware images addresses in DRAM
164  * @reserved: reserved
165  */
166 struct iwl_prph_scratch {
167 	struct iwl_prph_scratch_ctrl_cfg ctrl_cfg;
168 	__le32 reserved[12];
169 	struct iwl_context_info_dram dram;
170 } __packed; /* PERIPH_SCRATCH_S */
171 
172 /*
173  * struct iwl_prph_info - peripheral information
174  * @boot_stage_mirror: reflects the value in the Boot Stage CSR register
175  * @ipc_status_mirror: reflects the value in the IPC Status CSR register
176  * @sleep_notif: indicates the peripheral sleep status
177  * @reserved: reserved
178  */
179 struct iwl_prph_info {
180 	__le32 boot_stage_mirror;
181 	__le32 ipc_status_mirror;
182 	__le32 sleep_notif;
183 	__le32 reserved;
184 } __packed; /* PERIPH_INFO_S */
185 
186 /*
187  * struct iwl_context_info_gen3 - device INIT configuration
188  * @version: version of the context information
189  * @size: size of context information in DWs
190  * @config: context in which the peripheral would execute - a subset of
191  *	capability csr register published by the peripheral
192  * @prph_info_base_addr: the peripheral information structure start address
193  * @cr_head_idx_arr_base_addr: the completion ring head index array
194  *	start address
195  * @tr_tail_idx_arr_base_addr: the transfer ring tail index array
196  *	start address
197  * @cr_tail_idx_arr_base_addr: the completion ring tail index array
198  *	start address
199  * @tr_head_idx_arr_base_addr: the transfer ring head index array
200  *	start address
201  * @cr_idx_arr_size: number of entries in the completion ring index array
202  * @tr_idx_arr_size: number of entries in the transfer ring index array
203  * @mtr_base_addr: the message transfer ring start address
204  * @mcr_base_addr: the message completion ring start address
205  * @mtr_size: number of entries which the message transfer ring can hold
206  * @mcr_size: number of entries which the message completion ring can hold
207  * @mtr_doorbell_vec: the doorbell vector associated with the message
208  *	transfer ring
209  * @mcr_doorbell_vec: the doorbell vector associated with the message
210  *	completion ring
211  * @mtr_msi_vec: the MSI which shall be generated by the peripheral after
212  *	completing a transfer descriptor in the message transfer ring
213  * @mcr_msi_vec: the MSI which shall be generated by the peripheral after
214  *	completing a completion descriptor in the message completion ring
215  * @mtr_opt_header_size: the size of the optional header in the transfer
216  *	descriptor associated with the message transfer ring in DWs
217  * @mtr_opt_footer_size: the size of the optional footer in the transfer
218  *	descriptor associated with the message transfer ring in DWs
219  * @mcr_opt_header_size: the size of the optional header in the completion
220  *	descriptor associated with the message completion ring in DWs
221  * @mcr_opt_footer_size: the size of the optional footer in the completion
222  *	descriptor associated with the message completion ring in DWs
223  * @msg_rings_ctrl_flags: message rings control flags
224  * @prph_info_msi_vec: the MSI which shall be generated by the peripheral
225  *	after updating the Peripheral Information structure
226  * @prph_scratch_base_addr: the peripheral scratch structure start address
227  * @prph_scratch_size: the size of the peripheral scratch structure in DWs
228  * @reserved: reserved
229  */
230 struct iwl_context_info_gen3 {
231 	__le16 version;
232 	__le16 size;
233 	__le32 config;
234 	__le64 prph_info_base_addr;
235 	__le64 cr_head_idx_arr_base_addr;
236 	__le64 tr_tail_idx_arr_base_addr;
237 	__le64 cr_tail_idx_arr_base_addr;
238 	__le64 tr_head_idx_arr_base_addr;
239 	__le16 cr_idx_arr_size;
240 	__le16 tr_idx_arr_size;
241 	__le64 mtr_base_addr;
242 	__le64 mcr_base_addr;
243 	__le16 mtr_size;
244 	__le16 mcr_size;
245 	__le16 mtr_doorbell_vec;
246 	__le16 mcr_doorbell_vec;
247 	__le16 mtr_msi_vec;
248 	__le16 mcr_msi_vec;
249 	u8 mtr_opt_header_size;
250 	u8 mtr_opt_footer_size;
251 	u8 mcr_opt_header_size;
252 	u8 mcr_opt_footer_size;
253 	__le16 msg_rings_ctrl_flags;
254 	__le16 prph_info_msi_vec;
255 	__le64 prph_scratch_base_addr;
256 	__le32 prph_scratch_size;
257 	__le32 reserved;
258 } __packed; /* IPC_CONTEXT_INFO_S */
259 
260 int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
261 				 const struct fw_img *fw);
262 void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans, bool alive);
263 
264 int iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans,
265 					  const void *data, u32 len);
266 int iwl_trans_pcie_ctx_info_gen3_set_reduce_power(struct iwl_trans *trans,
267 						  const void *data, u32 len);
268 
269 #endif /* __iwl_context_info_file_gen3_h__ */
270