2  * SPDX-License-Identifier: BSD-3-Clause
15  * 3. The names of the authors may not be used to endorse or promote
105 	struct resource		*res[3];
109 	struct page0		*p0;  member
141 	sc->sample += sc->p0->chunksize / 2;  in adlink_intr()
147 		sc->p0->state = EIO;  in adlink_intr()
149 	if (sc->p0->state != STATE_RUN) {  in adlink_intr()
150 		printf("adlink: stopping %d\n", sc->p0->state);  in adlink_intr()
158 	bus_write_4(sc->res[0], 0x28, sc->p0->chunksize);  in adlink_intr()
176 		*paddr = vtophys(sc->p0);  in adlink_mmap()
182 		if (offset - o >= sc->p0->chunksize) {  in adlink_mmap()
183 			o += sc->p0->chunksize;  in adlink_mmap()
206 		if (sc->p0->state == STATE_RUN)  in adlink_ioctl()
210 		sc->p0->divisor = u;  in adlink_ioctl()
213 		if (sc->p0->state != STATE_RESET)  in adlink_ioctl()
217 		if (sc->p0->ringsize != 0 && sc->p0->ringsize % u)  in adlink_ioctl()
219 		sc->p0->chunksize = u;  in adlink_ioctl()
222 		if (sc->p0->state != STATE_RESET)  in adlink_ioctl()
226 		if (sc->p0->chunksize != 0 && u % sc->p0->chunksize)  in adlink_ioctl()
228 		sc->p0->ringsize = u;  in adlink_ioctl()
231 		if (sc->p0->state == STATE_RUN)  in adlink_ioctl()
233 		if (sc->p0->state == STATE_RESET) {  in adlink_ioctl()
235 			if (sc->p0->chunksize == 0)  in adlink_ioctl()
236 				sc->p0->chunksize = 4 * PAGE_SIZE;  in adlink_ioctl()
237 			if (sc->p0->ringsize == 0)  in adlink_ioctl()
238 				sc->p0->ringsize = 16 * sc->p0->chunksize;  in adlink_ioctl()
239 			if (sc->p0->divisor == 0)  in adlink_ioctl()
240 				sc->p0->divisor = 4;  in adlink_ioctl()
242 			sc->nchunks = sc->p0->ringsize / sc->p0->chunksize;  in adlink_ioctl()
244 			    sizeof *sc->p0 > PAGE_SIZE)  in adlink_ioctl()
246 			sc->p0->o_ring = PAGE_SIZE;  in adlink_ioctl()
247 			sample = (uint64_t *)(sc->p0 + 1);  in adlink_ioctl()
248 			sc->p0->o_sample =  in adlink_ioctl()
249 			    (uintptr_t)sample - (uintptr_t)(sc->p0);  in adlink_ioctl()
257 				pg->virt = contigmalloc(sc->p0->chunksize,  in adlink_ioctl()
285 		bus_write_4(sc->res[1], 0x04, sc->p0->divisor);  in adlink_ioctl()
297 		bus_write_4(sc->res[1], 0x18, 3);  in adlink_ioctl()
303 		sc->p0->state = STATE_RUN;  in adlink_ioctl()
309 		bus_write_4(sc->res[0], 0x28, sc->p0->chunksize);  in adlink_ioctl()
318 		if (sc->p0->state == STATE_RESET)  in adlink_ioctl()
320 		sc->p0->state = EINTR;	  in adlink_ioctl()
330 		if (sc->p0->state == STATE_RESET)  in adlink_ioctl()
332 		sc->p0->state = EINTR;	  in adlink_ioctl()
408 	sc->p0 = malloc(PAGE_SIZE, M_DEVBUF, M_WAITOK | M_ZERO);  in adlink_attach()
409 	sc->p0->version = PAGE0VERSION;  in adlink_attach()
410 	sc->p0->state = STATE_RESET;  in adlink_attach()