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