isa/gus/gus_dma.c

82 	struct snd_gf1_dma_block *block;
84 	/* PCM block have bigger priority than synthesizer one */
86 		block = gus->gf1.dma_data_pcm;
87 		if (gus->gf1.dma_data_pcm_last == block) {
91 			gus->gf1.dma_data_pcm = block->next;
94 		block = gus->gf1.dma_data_synth;
95 		if (gus->gf1.dma_data_synth_last == block) {
99 			gus->gf1.dma_data_synth = block->next;
102 		block = NULL;
104 	if (block) {
105 		gus->gf1.dma_ack = block->ack;
106 		gus->gf1.dma_private_data = block->private_data;
108 	return block;
114 	struct snd_gf1_dma_block *block;
127 	block = snd_gf1_dma_next_block(gus);
129 	if (!block)
131 	snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
132 	kfree(block);
136 		   block->addr, block->buf_addr, block->count, block->cmd);
159 	struct snd_gf1_dma_block *block;
167 		while ((block = gus->gf1.dma_data_pcm)) {
168 			gus->gf1.dma_data_pcm = block->next;
169 			kfree(block);
171 		while ((block = gus->gf1.dma_data_synth)) {
172 			gus->gf1.dma_data_synth = block->next;
173 			kfree(block);
188 	struct snd_gf1_dma_block *block;
190 	block = kmalloc(sizeof(*block), atomic ? GFP_ATOMIC : GFP_KERNEL);
191 	if (!block)
194 	*block = *__block;
195 	block->next = NULL;
198 		    block->addr, (long) block->buffer, block->count,
199 		    block->cmd);
209 			gus->gf1.dma_data_synth_last->next = block;
210 			gus->gf1.dma_data_synth_last = block;
213 			gus->gf1.dma_data_synth_last = block;
217 			gus->gf1.dma_data_pcm_last->next = block;
218 			gus->gf1.dma_data_pcm_last = block;
221 			gus->gf1.dma_data_pcm_last = block;
226 		block = snd_gf1_dma_next_block(gus);
228 		if (block == NULL)
230 		snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
231 		kfree(block);