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51 #ifndef __iwl_context_info_file_gen3_h__
52 #define __iwl_context_info_file_gen3_h__
53 
54 #include "iwl-context-info.h"
55 
56 #define CSR_CTXT_INFO_BOOT_CTRL         0x0
57 #define CSR_CTXT_INFO_ADDR              0x118
58 #define CSR_IML_DATA_ADDR               0x120
59 #define CSR_IML_SIZE_ADDR               0x128
60 #define CSR_IML_RESP_ADDR               0x12c
61 
62 /* Set bit for enabling automatic function boot */
63 #define CSR_AUTO_FUNC_BOOT_ENA          BIT(1)
64 /* Set bit for initiating function boot */
65 #define CSR_AUTO_FUNC_INIT              BIT(7)
66 
67 /**
68  * enum iwl_prph_scratch_mtr_format - tfd size configuration
69  * @IWL_PRPH_MTR_FORMAT_16B: 16 bit tfd
70  * @IWL_PRPH_MTR_FORMAT_32B: 32 bit tfd
71  * @IWL_PRPH_MTR_FORMAT_64B: 64 bit tfd
72  * @IWL_PRPH_MTR_FORMAT_256B: 256 bit tfd
73  */
74 enum iwl_prph_scratch_mtr_format {
75 	IWL_PRPH_MTR_FORMAT_16B = 0x0,
76 	IWL_PRPH_MTR_FORMAT_32B = 0x40000,
77 	IWL_PRPH_MTR_FORMAT_64B = 0x80000,
78 	IWL_PRPH_MTR_FORMAT_256B = 0xC0000,
79 };
80 
81 /**
82  * enum iwl_prph_scratch_flags - PRPH scratch control flags
83  * @IWL_PRPH_SCRATCH_EARLY_DEBUG_EN: enable early debug conf
84  * @IWL_PRPH_SCRATCH_EDBG_DEST_DRAM: use DRAM, with size allocated
85  *	in hwm config.
86  * @IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL: use buffer on SRAM
87  * @IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER: use st arbiter, mainly for
88  *	multicomm.
89  * @IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF: route debug data to SoC HW
90  * @IWL_PRPH_SCTATCH_RB_SIZE_4K: Use 4K RB size (the default is 2K)
91  * @IWL_PRPH_SCRATCH_MTR_MODE: format used for completion - 0: for
92  *	completion descriptor, 1 for responses (legacy)
93  * @IWL_PRPH_SCRATCH_MTR_FORMAT: a mask for the size of the tfd.
94  *	There are 4 optional values: 0: 16 bit, 1: 32 bit, 2: 64 bit,
95  *	3: 256 bit.
96  */
97 enum iwl_prph_scratch_flags {
98 	IWL_PRPH_SCRATCH_EARLY_DEBUG_EN		= BIT(4),
99 	IWL_PRPH_SCRATCH_EDBG_DEST_DRAM		= BIT(8),
100 	IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL	= BIT(9),
101 	IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER	= BIT(10),
102 	IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF	= BIT(11),
103 	IWL_PRPH_SCRATCH_RB_SIZE_4K		= BIT(16),
104 	IWL_PRPH_SCRATCH_MTR_MODE		= BIT(17),
105 	IWL_PRPH_SCRATCH_MTR_FORMAT		= BIT(18) | BIT(19),
106 };
107 
108 /*
109  * struct iwl_prph_scratch_version - version structure
110  * @mac_id: SKU and revision id
111  * @version: prph scratch information version id
112  * @size: the size of the context information in DWs
113  * @reserved: reserved
114  */
115 struct iwl_prph_scratch_version {
116 	__le16 mac_id;
117 	__le16 version;
118 	__le16 size;
119 	__le16 reserved;
120 } __packed; /* PERIPH_SCRATCH_VERSION_S */
121 
122 /*
123  * struct iwl_prph_scratch_control - control structure
124  * @control_flags: context information flags see &enum iwl_prph_scratch_flags
125  * @reserved: reserved
126  */
127 struct iwl_prph_scratch_control {
128 	__le32 control_flags;
129 	__le32 reserved;
130 } __packed; /* PERIPH_SCRATCH_CONTROL_S */
131 
132 /*
133  * struct iwl_prph_scratch_ror_cfg - ror config
134  * @ror_base_addr: ror start address
135  * @ror_size: ror size in DWs
136  * @reserved: reserved
137  */
138 struct iwl_prph_scratch_ror_cfg {
139 	__le64 ror_base_addr;
140 	__le32 ror_size;
141 	__le32 reserved;
142 } __packed; /* PERIPH_SCRATCH_ROR_CFG_S */
143 
144 /*
145  * struct iwl_prph_scratch_hwm_cfg - hwm config
146  * @hwm_base_addr: hwm start address
147  * @hwm_size: hwm size in DWs
148  * @reserved: reserved
149  */
150 struct iwl_prph_scratch_hwm_cfg {
151 	__le64 hwm_base_addr;
152 	__le32 hwm_size;
153 	__le32 reserved;
154 } __packed; /* PERIPH_SCRATCH_HWM_CFG_S */
155 
156 /*
157  * struct iwl_prph_scratch_rbd_cfg - RBDs configuration
158  * @free_rbd_addr: default queue free RB CB base address
159  * @reserved: reserved
160  */
161 struct iwl_prph_scratch_rbd_cfg {
162 	__le64 free_rbd_addr;
163 	__le32 reserved;
164 } __packed; /* PERIPH_SCRATCH_RBD_CFG_S */
165 
166 /*
167  * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config
168  * @version: version information of context info and HW
169  * @control: control flags of FH configurations
170  * @ror_cfg: ror configuration
171  * @hwm_cfg: hwm configuration
172  * @rbd_cfg: default RX queue configuration
173  */
174 struct iwl_prph_scratch_ctrl_cfg {
175 	struct iwl_prph_scratch_version version;
176 	struct iwl_prph_scratch_control control;
177 	struct iwl_prph_scratch_ror_cfg ror_cfg;
178 	struct iwl_prph_scratch_hwm_cfg hwm_cfg;
179 	struct iwl_prph_scratch_rbd_cfg rbd_cfg;
180 } __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */
181 
182 /*
183  * struct iwl_prph_scratch - peripheral scratch mapping
184  * @ctrl_cfg: control and configuration of prph scratch
185  * @dram: firmware images addresses in DRAM
186  * @reserved: reserved
187  */
188 struct iwl_prph_scratch {
189 	struct iwl_prph_scratch_ctrl_cfg ctrl_cfg;
190 	__le32 reserved[16];
191 	struct iwl_context_info_dram dram;
192 } __packed; /* PERIPH_SCRATCH_S */
193 
194 /*
195  * struct iwl_prph_info - peripheral information
196  * @boot_stage_mirror: reflects the value in the Boot Stage CSR register
197  * @ipc_status_mirror: reflects the value in the IPC Status CSR register
198  * @sleep_notif: indicates the peripheral sleep status
199  * @reserved: reserved
200  */
201 struct iwl_prph_info {
202 	__le32 boot_stage_mirror;
203 	__le32 ipc_status_mirror;
204 	__le32 sleep_notif;
205 	__le32 reserved;
206 } __packed; /* PERIPH_INFO_S */
207 
208 /*
209  * struct iwl_context_info_gen3 - device INIT configuration
210  * @version: version of the context information
211  * @size: size of context information in DWs
212  * @config: context in which the peripheral would execute - a subset of
213  *	capability csr register published by the peripheral
214  * @prph_info_base_addr: the peripheral information structure start address
215  * @cr_head_idx_arr_base_addr: the completion ring head index array
216  *	start address
217  * @tr_tail_idx_arr_base_addr: the transfer ring tail index array
218  *	start address
219  * @cr_tail_idx_arr_base_addr: the completion ring tail index array
220  *	start address
221  * @tr_head_idx_arr_base_addr: the transfer ring head index array
222  *	start address
223  * @cr_idx_arr_size: number of entries in the completion ring index array
224  * @tr_idx_arr_size: number of entries in the transfer ring index array
225  * @mtr_base_addr: the message transfer ring start address
226  * @mcr_base_addr: the message completion ring start address
227  * @mtr_size: number of entries which the message transfer ring can hold
228  * @mcr_size: number of entries which the message completion ring can hold
229  * @mtr_doorbell_vec: the doorbell vector associated with the message
230  *	transfer ring
231  * @mcr_doorbell_vec: the doorbell vector associated with the message
232  *	completion ring
233  * @mtr_msi_vec: the MSI which shall be generated by the peripheral after
234  *	completing a transfer descriptor in the message transfer ring
235  * @mcr_msi_vec: the MSI which shall be generated by the peripheral after
236  *	completing a completion descriptor in the message completion ring
237  * @mtr_opt_header_size: the size of the optional header in the transfer
238  *	descriptor associated with the message transfer ring in DWs
239  * @mtr_opt_footer_size: the size of the optional footer in the transfer
240  *	descriptor associated with the message transfer ring in DWs
241  * @mcr_opt_header_size: the size of the optional header in the completion
242  *	descriptor associated with the message completion ring in DWs
243  * @mcr_opt_footer_size: the size of the optional footer in the completion
244  *	descriptor associated with the message completion ring in DWs
245  * @msg_rings_ctrl_flags: message rings control flags
246  * @prph_info_msi_vec: the MSI which shall be generated by the peripheral
247  *	after updating the Peripheral Information structure
248  * @prph_scratch_base_addr: the peripheral scratch structure start address
249  * @prph_scratch_size: the size of the peripheral scratch structure in DWs
250  * @reserved: reserved
251  */
252 struct iwl_context_info_gen3 {
253 	__le16 version;
254 	__le16 size;
255 	__le32 config;
256 	__le64 prph_info_base_addr;
257 	__le64 cr_head_idx_arr_base_addr;
258 	__le64 tr_tail_idx_arr_base_addr;
259 	__le64 cr_tail_idx_arr_base_addr;
260 	__le64 tr_head_idx_arr_base_addr;
261 	__le16 cr_idx_arr_size;
262 	__le16 tr_idx_arr_size;
263 	__le64 mtr_base_addr;
264 	__le64 mcr_base_addr;
265 	__le16 mtr_size;
266 	__le16 mcr_size;
267 	__le16 mtr_doorbell_vec;
268 	__le16 mcr_doorbell_vec;
269 	__le16 mtr_msi_vec;
270 	__le16 mcr_msi_vec;
271 	u8 mtr_opt_header_size;
272 	u8 mtr_opt_footer_size;
273 	u8 mcr_opt_header_size;
274 	u8 mcr_opt_footer_size;
275 	__le16 msg_rings_ctrl_flags;
276 	__le16 prph_info_msi_vec;
277 	__le64 prph_scratch_base_addr;
278 	__le32 prph_scratch_size;
279 	__le32 reserved;
280 } __packed; /* IPC_CONTEXT_INFO_S */
281 
282 int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
283 				 const struct fw_img *fw);
284 void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans);
285 
286 #endif /* __iwl_context_info_file_gen3_h__ */
287