Cross Reference: /sound/soc/blackfin/bf5xx-sport.c

Lines Matching defs:desc
126 static void setup_desc(struct dmasg *desc, void *buf, int fragcount,
134 		desc[i].next_desc_addr  = &(desc[i + 1]);
135 		desc[i].start_addr = (unsigned long)buf + i*fragsize;
136 		desc[i].cfg = cfg;
137 		desc[i].x_count = x_count;
138 		desc[i].x_modify = wdsize;
139 		desc[i].y_count = ycount;
140 		desc[i].y_modify = wdsize;
144 	desc[fragcount-1].next_desc_addr = desc;
146 	pr_debug("setup desc: desc0=%p, next0=%p, desc1=%p,"
148 		desc, desc[0].next_desc_addr,
149 		desc+1, desc[1].next_desc_addr,
150 		desc[0].x_count, desc[0].y_count,
151 		desc[0].start_addr, desc[0].cfg);
178 	struct dmasg *desc, temp_desc;
188 	desc = get_dma_next_desc_ptr(sport->dma_rx_chan);
190 	temp_desc = *desc;
191 	desc->x_count = sport->dummy_count / 2;
192 	desc->y_count = 0;
193 	desc->next_desc_addr = sport->dummy_rx_desc;
201 	*desc = temp_desc;
297 	struct dmasg *desc, temp_desc;
307 	desc = get_dma_next_desc_ptr(sport->dma_tx_chan);
309 	temp_desc = *desc;
310 	desc->x_count = sport->dummy_count / 2;
311 	desc->y_count = 0;
312 	desc->next_desc_addr = sport->dummy_tx_desc;
320 	*desc = temp_desc;
432 		pr_err("Failed to allocate memory for rx desc\n");
497 		pr_err("Failed to allocate memory for tx desc\n");
521 	struct dmasg *desc;
526 		desc = l1_data_sram_zalloc(2 * sizeof(*desc));
529 		desc = dma_alloc_coherent(NULL, 2 * sizeof(*desc), &addr, 0);
530 		memset(desc, 0, 2 * sizeof(*desc));
532 	if (desc == NULL) {
533 		pr_err("Failed to allocate memory for dummy rx desc\n");
536 	sport->dummy_rx_desc = desc;
537 	desc->start_addr = (unsigned long)sport->dummy_buf;
540 	desc->cfg = config;
541 	desc->x_count = sport->dummy_count/sport->wdsize;
542 	desc->x_modify = sport->wdsize;
543 	desc->y_count = 0;
544 	desc->y_modify = 0;
545 	memcpy(desc+1, desc, sizeof(*desc));
546 	desc->next_desc_addr = desc + 1;
547 	desc[1].next_desc_addr = desc;
553 	struct dmasg *desc;
559 		desc = l1_data_sram_zalloc(2 * sizeof(*desc));
562 		desc = dma_alloc_coherent(NULL, 2 * sizeof(*desc), &addr, 0);
563 		memset(desc, 0, 2 * sizeof(*desc));
565 	if (!desc) {
566 		pr_err("Failed to allocate memory for dummy tx desc\n");
569 	sport->dummy_tx_desc = desc;
570 	desc->start_addr = (unsigned long)sport->dummy_buf + \
574 	desc->cfg = config;
575 	desc->x_count = sport->dummy_count/sport->wdsize;
576 	desc->x_modify = sport->wdsize;
577 	desc->y_count = 0;
578 	desc->y_modify = 0;
579 	memcpy(desc+1, desc, sizeof(*desc));
580 	desc->next_desc_addr = desc + 1;
581 	desc[1].next_desc_addr = desc;