Software APIs
dt_pattgen.h
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1// Copyright lowRISC contributors (OpenTitan project).
2// Licensed under the Apache License, Version 2.0, see LICENSE for details.
3// SPDX-License-Identifier: Apache-2.0
4//
5// Device table API auto-generated by `dtgen`
6
7#ifndef OPENTITAN_DT_PATTGEN_H_
8#define OPENTITAN_DT_PATTGEN_H_
9
10#ifdef __cplusplus
11extern "C" {
12#endif // __cplusplus
13
14/**
15 * @file
16 * @brief Device Tables (DT) for IP pattgen and top earlgrey.
17 *
18 * This file contains the type definitions and global functions of the pattgen.
19 */
20
21#include "hw/top/dt/dt_api.h"
22#include <stdint.h>
23
24
25
26/**
27 * List of instances.
28 */
29typedef enum dt_pattgen {
30 kDtPattgen = 0, /**< pattgen */
31 kDtPattgenFirst = 0, /**< \internal First instance */
32 kDtPattgenCount = 1, /**< \internal Number of instances */
34
35/**
36 * List of register blocks.
37 *
38 * Register blocks are guaranteed to start at 0 and to be consecutively numbered.
39 */
41 kDtPattgenRegBlockCore = 0, /**< */
42 kDtPattgenRegBlockCount = 1, /**< \internal Number of register blocks */
44
45/** Primary register block (associated with the "primary" set of registers that control the IP). */
46static const dt_pattgen_reg_block_t kDtPattgenRegBlockPrimary = kDtPattgenRegBlockCore;
47
48/**
49 * List of memories.
50 *
51 * Memories are guaranteed to start at 0 and to be consecutively numbered.
52 */
53typedef enum dt_pattgen_memory {
54 kDtPattgenMemoryCount = 0, /**< \internal Number of memories */
56
57/**
58 * List of IRQs.
59 *
60 * IRQs are guaranteed to be numbered consecutively from 0.
61 */
62typedef enum dt_pattgen_irq {
63 kDtPattgenIrqDoneCh0 = 0, /**< raise if pattern generation on Channel 0 is complete */
64 kDtPattgenIrqDoneCh1 = 1, /**< raise if pattern generation on Channel 1 is complete */
65 kDtPattgenIrqCount = 2, /**< \internal Number of IRQs */
67
68/**
69 * List of Alerts.
70 *
71 * Alerts are guaranteed to be numbered consecutively from 0.
72 */
73typedef enum dt_pattgen_alert {
74 kDtPattgenAlertFatalFault = 0, /**< This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. */
75 kDtPattgenAlertCount = 1, /**< \internal Number of Alerts */
77
78/**
79 * List of clock ports.
80 *
81 * Clock ports are guaranteed to be numbered consecutively from 0.
82 */
83typedef enum dt_pattgen_clock {
84 kDtPattgenClockClk = 0, /**< Clock port clk_i */
85 kDtPattgenClockCount = 1, /**< \internal Number of clock ports */
87
88/**
89 * List of reset ports.
90 *
91 * Reset ports are guaranteed to be numbered consecutively from 0.
92 */
93typedef enum dt_pattgen_reset {
94 kDtPattgenResetRst = 0, /**< Reset port rst_ni */
95 kDtPattgenResetCount = 1, /**< \internal Number of reset ports */
97
98/**
99 * List of peripheral I/O.
100 *
101 * Peripheral I/O are guaranteed to be numbered consecutively from 0.
102 */
104 kDtPattgenPeriphIoPda0Tx = 0, /**< */
105 kDtPattgenPeriphIoPcl0Tx = 1, /**< */
106 kDtPattgenPeriphIoPda1Tx = 2, /**< */
107 kDtPattgenPeriphIoPcl1Tx = 3, /**< */
108 kDtPattgenPeriphIoCount = 4, /**< \internal Number of peripheral I/O */
110
111/**
112 * List of supported hardware features.
113 */
114#define OPENTITAN_PATTGEN_HAS_CHANNEL_ONE 1
115#define OPENTITAN_PATTGEN_HAS_CHANNEL_TWO 1
116#define OPENTITAN_PATTGEN_HAS_CONFIG_PATTERN 1
117#define OPENTITAN_PATTGEN_HAS_CONFIG_DIVIDER 1
118#define OPENTITAN_PATTGEN_HAS_CONFIG_REPEAT 1
119#define OPENTITAN_PATTGEN_HAS_CONFIG_POLARITY 1
120#define OPENTITAN_PATTGEN_HAS_CONFIG_INACTIVE_LEVEL 1
121#define OPENTITAN_PATTGEN_HAS_COMPLETE 1
122
123
124
125/**
126 * Get the pattgen instance from an instance ID
127 *
128 * For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
129 *
130 * @param inst_id Instance ID.
131 * @return A pattgen instance.
132 *
133 * **Note:** This function only makes sense if the instance ID has device type pattgen,
134 * otherwise the returned value is unspecified.
135 */
137
138/**
139 * Get the instance ID of an instance.
140 *
141 * @param dt Instance of pattgen.
142 * @return The instance ID of that instance.
143 */
145
146/**
147 * Get the register base address of an instance.
148 *
149 * @param dt Instance of pattgen.
150 * @param reg_block The register block requested.
151 * @return The register base address of the requested block.
152 */
153uint32_t dt_pattgen_reg_block(
154 dt_pattgen_t dt,
155 dt_pattgen_reg_block_t reg_block);
156
157/**
158 * Get the primary register base address of an instance.
159 *
160 * This is just a convenience function, equivalent to
161 * `dt_pattgen_reg_block(dt, kDtPattgenRegBlockCore)`
162 *
163 * @param dt Instance of pattgen.
164 * @return The register base address of the primary register block.
165 */
166static inline uint32_t dt_pattgen_primary_reg_block(
167 dt_pattgen_t dt) {
168 return dt_pattgen_reg_block(dt, kDtPattgenRegBlockCore);
169}
170
171/**
172 * Get the base address of a memory.
173 *
174 * @param dt Instance of pattgen.
175 * @param mem The memory requested.
176 * @return The base address of the requested memory.
177 */
179 dt_pattgen_t dt,
181
182/**
183 * Get the size of a memory.
184 *
185 * @param dt Instance of pattgen.
186 * @param mem The memory requested.
187 * @return The size of the requested memory.
188 */
190 dt_pattgen_t dt,
192
193/**
194 * Get the PLIC ID of a pattgen IRQ for a given instance.
195 *
196 * If the instance is not connected to the PLIC, this function
197 * will return `kDtPlicIrqIdNone`.
198 *
199 * @param dt Instance of pattgen.
200 * @param irq A pattgen IRQ.
201 * @return The PLIC ID of the IRQ of this instance.
202 */
204 dt_pattgen_t dt,
205 dt_pattgen_irq_t irq);
206
207/**
208 * Convert a global IRQ ID to a local pattgen IRQ type.
209 *
210 * @param dt Instance of pattgen.
211 * @param irq A PLIC ID that belongs to this instance.
212 * @return The pattgen IRQ, or `kDtPattgenIrqCount`.
213 *
214 * **Note:** This function assumes that the PLIC ID belongs to the instance
215 * of pattgen passed in parameter. In other words, it must be the case that
216 * `dt_pattgen_instance_id(dt) == dt_plic_id_to_instance_id(irq)`. Otherwise, this function
217 * will return `kDtPattgenIrqCount`.
218 */
220 dt_pattgen_t dt,
221 dt_plic_irq_id_t irq);
222
223
224/**
225 * Get the alert ID of a pattgen alert for a given instance.
226 *
227 * **Note:** This function only makes sense if the instance is connected to the Alert Handler. For any
228 * instances where the instance is not connected, the return value is unspecified.
229 *
230 * @param dt Instance of pattgen.
231 * @param alert A pattgen alert.
232 * @return The Alert Handler alert ID of the alert of this instance.
233 */
235 dt_pattgen_t dt,
236 dt_pattgen_alert_t alert);
237
238/**
239 * Convert a global alert ID to a local pattgen alert type.
240 *
241 * @param dt Instance of pattgen.
242 * @param alert A global alert ID that belongs to this instance.
243 * @return The pattgen alert, or `kDtPattgenAlertCount`.
244 *
245 * **Note:** This function assumes that the global alert ID belongs to the
246 * instance of pattgen passed in parameter. In other words, it must be the case
247 * that `dt_pattgen_instance_id(dt) == dt_alert_id_to_instance_id(alert)`. Otherwise,
248 * this function will return `kDtPattgenAlertCount`.
249 */
251 dt_pattgen_t dt,
252 dt_alert_id_t alert);
253
254
255/**
256 * Get the peripheral I/O description of an instance.
257 *
258 * @param dt Instance of pattgen.
259 * @param sig Requested peripheral I/O.
260 * @return Description of the requested peripheral I/O for this instance.
261 */
263 dt_pattgen_t dt,
265
266/**
267 * Get the clock signal connected to a clock port of an instance.
268 *
269 * @param dt Instance of pattgen.
270 * @param clk Clock port.
271 * @return Clock signal.
272 */
274 dt_pattgen_t dt,
276
277/**
278 * Get the reset signal connected to a reset port of an instance.
279 *
280 * @param dt Instance of pattgen.
281 * @param rst Reset port.
282 * @return Reset signal.
283 */
285 dt_pattgen_t dt,
287
288
289
290#ifdef __cplusplus
291} // extern "C"
292#endif // __cplusplus
293
294#endif // OPENTITAN_DT_PATTGEN_H_