1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (C) 2008-2009 Semihalf, Piotr Ziecik
147 	int	(*sem_make_desc)(struct sec_softc *sc,
196 	struct resource		*sc_rres;	/* register resource */
203 	struct resource		*sc_pri_ires;	/* primary irq resource */
205 	int			sc_pri_irid;	/* primary irq resource id */
207 	struct resource		*sc_sec_ires;	/* secondary irq resource */
209 	int			sc_sec_irid;	/* secondary irq resource id */
213 #define SEC_LOCK(sc, what)						\  argument
214 	mtx_lock(&(sc)->sc_ ## what ## _lock)
215 #define SEC_UNLOCK(sc, what)						\  argument
216 	mtx_unlock(&(sc)->sc_ ## what ## _lock)
217 #define SEC_LOCK_ASSERT(sc, what)					\  argument
218 	mtx_assert(&(sc)->sc_ ## what ## _lock, MA_OWNED)
221 #define SEC_READ(sc, reg)						\  argument
222 	bus_space_read_8((sc)->sc_bas.bst, (sc)->sc_bas.bsh, (reg))
223 #define SEC_WRITE(sc, reg, val)						\  argument
224 	bus_space_write_8((sc)->sc_bas.bst, (sc)->sc_bas.bsh, (reg), (val))
227 #define SEC_CNT_INIT(sc, cnt, wrap)					\  argument
228 	(((sc)->cnt) = ((wrap) - 1))
229 #define SEC_ADD(sc, cnt, wrap, val)					\  argument
230 	((sc)->cnt = (((sc)->cnt) + (val)) & ((wrap) - 1))
231 #define SEC_INC(sc, cnt, wrap)						\  argument
232 	SEC_ADD(sc, cnt, wrap, 1)
233 #define SEC_DEC(sc, cnt, wrap)						\  argument
234 	SEC_ADD(sc, cnt, wrap, -1)
235 #define SEC_GET_GENERIC(sc, tab, cnt, wrap)				\  argument
236 	((sc)->tab[SEC_INC(sc, cnt, wrap)])
237 #define SEC_PUT_GENERIC(sc, tab, cnt, wrap, val)			\  argument
238 	((sc)->tab[SEC_INC(sc, cnt, wrap)] = val)
241 #define SEC_GET_FREE_DESC(sc)						\  argument
242 	&SEC_GET_GENERIC(sc, sc_desc, sc_free_desc_get_cnt, SEC_DESCRIPTORS)
244 #define SEC_PUT_BACK_FREE_DESC(sc)					\  argument
245 	SEC_DEC(sc, sc_free_desc_get_cnt, SEC_DESCRIPTORS)
247 #define SEC_DESC_FREE2READY(sc)						\  argument
248 	SEC_INC(sc, sc_ready_desc_put_cnt, SEC_DESCRIPTORS)
250 #define SEC_GET_READY_DESC(sc)						\  argument
251 	&SEC_GET_GENERIC(sc, sc_desc, sc_ready_desc_get_cnt, SEC_DESCRIPTORS)
253 #define SEC_PUT_BACK_READY_DESC(sc)					\  argument
254 	SEC_DEC(sc, sc_ready_desc_get_cnt, SEC_DESCRIPTORS)
256 #define SEC_DESC_READY2QUEUED(sc)					\  argument
257 	SEC_INC(sc, sc_queued_desc_put_cnt, SEC_DESCRIPTORS)
259 #define SEC_GET_QUEUED_DESC(sc)						\  argument
260 	&SEC_GET_GENERIC(sc, sc_desc, sc_queued_desc_get_cnt, SEC_DESCRIPTORS)
262 #define SEC_PUT_BACK_QUEUED_DESC(sc)					\  argument
263 	SEC_DEC(sc, sc_queued_desc_get_cnt, SEC_DESCRIPTORS)
265 #define SEC_DESC_QUEUED2FREE(sc)					\  argument
266 	SEC_INC(sc, sc_free_desc_put_cnt, SEC_DESCRIPTORS)
268 #define SEC_FREE_DESC_CNT(sc)						\  argument
269 	(((sc)->sc_free_desc_put_cnt - (sc)->sc_free_desc_get_cnt - 1)	\
270 	& (SEC_DESCRIPTORS - 1))
272 #define SEC_READY_DESC_CNT(sc)						\  argument
273 	(((sc)->sc_ready_desc_put_cnt - (sc)->sc_ready_desc_get_cnt) &	\
274 	(SEC_DESCRIPTORS - 1))
276 #define SEC_QUEUED_DESC_CNT(sc)						\  argument
277 	(((sc)->sc_queued_desc_put_cnt - (sc)->sc_queued_desc_get_cnt)	\
278 	& (SEC_DESCRIPTORS - 1))
280 #define SEC_DESC_SYNC(sc, mode) do {					\  argument
281 	sec_sync_dma_mem(&((sc)->sc_desc_dmem), (mode));		\
282 	sec_sync_dma_mem(&((sc)->sc_lt_dmem), (mode));			\
288 		sec_sync_dma_mem(&((desc)->sd_ptr_dmem[i]), (mode));	\
294 		sec_free_dma_mem(&(desc)->sd_ptr_dmem[i]);		\
297 #define SEC_DESC_PUT_BACK_LT(sc, desc)					\  argument
298 	SEC_PUT_BACK_LT(sc, (desc)->sd_lt_used)
300 #define SEC_DESC_FREE_LT(sc, desc)					\  argument
301 	SEC_FREE_LT(sc, (desc)->sd_lt_used)
304 #define SEC_ALLOC_LT_ENTRY(sc)						\  argument
305 	&SEC_GET_GENERIC(sc, sc_lt, sc_lt_alloc_cnt, SEC_LT_ENTRIES)
307 #define SEC_PUT_BACK_LT(sc, num)					\  argument
308 	SEC_ADD(sc, sc_lt_alloc_cnt, SEC_LT_ENTRIES, -(num))
310 #define SEC_FREE_LT(sc, num)						\  argument
311 	SEC_ADD(sc, sc_lt_free_cnt, SEC_LT_ENTRIES, num)
313 #define SEC_FREE_LT_CNT(sc)						\  argument
314 	(((sc)->sc_lt_free_cnt - (sc)->sc_lt_alloc_cnt - 1)		\
315 	& (SEC_LT_ENTRIES - 1))