soc/amd/acp-pcm-dma.c

331 			   struct audio_substream_data *rtd,
336 	acp_pte_config(acp_mmio, rtd->dma_addr, rtd->num_of_pages,
337 		       rtd->pte_offset);
339 	if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK) {
340 		ch_acp_sysmem = rtd->ch1;
341 		ch_acp_i2s = rtd->ch2;
343 		ch_acp_i2s = rtd->ch1;
344 		ch_acp_sysmem = rtd->ch2;
347 	set_acp_sysmem_dma_descriptors(acp_mmio, rtd->size,
348 				       rtd->direction, rtd->pte_offset,
349 				       ch_acp_sysmem, rtd->sram_bank,
350 				       rtd->dma_dscr_idx_1, asic_type);
352 	set_acp_to_i2s_dma_descriptors(acp_mmio, rtd->size,
353 				       rtd->direction, rtd->sram_bank,
354 				       rtd->destination, ch_acp_i2s,
355 				       rtd->dma_dscr_idx_2, asic_type);
851 	struct audio_substream_data *rtd;
858 	rtd = runtime->private_data;
860 	if (WARN_ON(!rtd))
865 			rtd->i2s_instance = pinfo->play_i2s_instance;
867 			rtd->i2s_instance = pinfo->cap_i2s_instance;
868 			rtd->capture_channel = pinfo->capture_channel;
875 			switch (rtd->i2s_instance) {
887 			switch (rtd->i2s_instance) {
902 		switch (rtd->i2s_instance) {
904 			rtd->pte_offset = ACP_ST_BT_PLAYBACK_PTE_OFFSET;
905 			rtd->ch1 = SYSRAM_TO_ACP_BT_INSTANCE_CH_NUM;
906 			rtd->ch2 = ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM;
907 			rtd->sram_bank = ACP_SRAM_BANK_3_ADDRESS;
908 			rtd->destination = TO_BLUETOOTH;
909 			rtd->dma_dscr_idx_1 = PLAYBACK_START_DMA_DESCR_CH8;
910 			rtd->dma_dscr_idx_2 = PLAYBACK_START_DMA_DESCR_CH9;
911 			rtd->byte_cnt_high_reg_offset =
913 			rtd->byte_cnt_low_reg_offset =
920 				rtd->pte_offset = ACP_ST_PLAYBACK_PTE_OFFSET;
923 				rtd->pte_offset = ACP_PLAYBACK_PTE_OFFSET;
925 			rtd->ch1 = SYSRAM_TO_ACP_MICSP_INSTANCE_CH_NUM;
926 			rtd->ch2 = ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM;
927 			rtd->sram_bank = ACP_SRAM_BANK_1_ADDRESS;
928 			rtd->destination = TO_ACP_I2S_2;
929 			rtd->dma_dscr_idx_1 = PLAYBACK_START_DMA_DESCR_CH4;
930 			rtd->dma_dscr_idx_2 = PLAYBACK_START_DMA_DESCR_CH5;
931 			rtd->byte_cnt_high_reg_offset =
933 			rtd->byte_cnt_low_reg_offset =
942 				rtd->pte_offset = ACP_ST_PLAYBACK_PTE_OFFSET;
945 				rtd->pte_offset = ACP_PLAYBACK_PTE_OFFSET;
947 			rtd->ch1 = SYSRAM_TO_ACP_CH_NUM;
948 			rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
949 			rtd->sram_bank = ACP_SRAM_BANK_1_ADDRESS;
950 			rtd->destination = TO_ACP_I2S_1;
951 			rtd->dma_dscr_idx_1 = PLAYBACK_START_DMA_DESCR_CH12;
952 			rtd->dma_dscr_idx_2 = PLAYBACK_START_DMA_DESCR_CH13;
953 			rtd->byte_cnt_high_reg_offset =
955 			rtd->byte_cnt_low_reg_offset =
960 		switch (rtd->i2s_instance) {
962 			rtd->pte_offset = ACP_ST_BT_CAPTURE_PTE_OFFSET;
963 			rtd->ch1 = I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM;
964 			rtd->ch2 = ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM;
965 			rtd->sram_bank = ACP_SRAM_BANK_4_ADDRESS;
966 			rtd->destination = FROM_BLUETOOTH;
967 			rtd->dma_dscr_idx_1 = CAPTURE_START_DMA_DESCR_CH10;
968 			rtd->dma_dscr_idx_2 = CAPTURE_START_DMA_DESCR_CH11;
969 			rtd->byte_cnt_high_reg_offset =
971 			rtd->byte_cnt_low_reg_offset =
973 			rtd->dma_curr_dscr = mmACP_DMA_CUR_DSCR_11;
979 			rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
980 			rtd->ch1 = I2S_TO_ACP_DMA_CH_NUM;
981 			rtd->ch2 = ACP_TO_SYSRAM_CH_NUM;
984 				rtd->pte_offset = ACP_ST_CAPTURE_PTE_OFFSET;
985 				rtd->sram_bank = ACP_SRAM_BANK_2_ADDRESS;
988 				rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
989 				rtd->sram_bank = ACP_SRAM_BANK_5_ADDRESS;
991 			rtd->destination = FROM_ACP_I2S_1;
992 			rtd->dma_dscr_idx_1 = CAPTURE_START_DMA_DESCR_CH14;
993 			rtd->dma_dscr_idx_2 = CAPTURE_START_DMA_DESCR_CH15;
994 			rtd->byte_cnt_high_reg_offset =
996 			rtd->byte_cnt_low_reg_offset =
998 			rtd->dma_curr_dscr = mmACP_DMA_CUR_DSCR_15;
1005 	acp_set_sram_bank_state(rtd->acp_mmio, 0, true);
1007 	rtd->dma_addr = runtime->dma_addr;
1008 	rtd->order = get_order(size);
1011 	rtd->size = size;
1012 	rtd->num_of_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
1013 	rtd->direction = substream->stream;
1015 	config_acp_dma(rtd->acp_mmio, rtd, adata->asic_type);
1019 static u64 acp_get_byte_count(struct audio_substream_data *rtd)
1023 	byte_count.bcount.high = acp_reg_read(rtd->acp_mmio,
1024 					      rtd->byte_cnt_high_reg_offset);
1025 	byte_count.bcount.low  = acp_reg_read(rtd->acp_mmio,
1026 					      rtd->byte_cnt_low_reg_offset);
1040 	struct audio_substream_data *rtd = runtime->private_data;
1043 	if (!rtd)
1048 		bytescount = acp_get_byte_count(rtd);
1049 		if (bytescount >= rtd->bytescount)
1050 			bytescount -= rtd->bytescount;
1054 			dscr = acp_reg_read(rtd->acp_mmio, rtd->dma_curr_dscr);
1055 			if (dscr == rtd->dma_dscr_idx_1)
1066 		bytescount = acp_get_byte_count(rtd);
1067 		if (bytescount > rtd->bytescount)
1068 			bytescount -= rtd->bytescount;
1089 	struct audio_substream_data *rtd = runtime->private_data;
1092 	if (!rtd)
1095 	if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1096 		ch_acp_sysmem = rtd->ch1;
1097 		ch_acp_i2s = rtd->ch2;
1099 		ch_acp_i2s = rtd->ch1;
1100 		ch_acp_sysmem = rtd->ch2;
1102 	config_acp_dma_channel(rtd->acp_mmio,
1104 			       rtd->dma_dscr_idx_1,
1106 	config_acp_dma_channel(rtd->acp_mmio,
1108 			       rtd->dma_dscr_idx_2,
1119 	struct audio_substream_data *rtd = runtime->private_data;
1121 	if (!rtd)
1127 		rtd->bytescount = acp_get_byte_count(rtd);
1129 			if (rtd->capture_channel == CAP_CHANNEL0) {
1130 				acp_dma_cap_channel_disable(rtd->acp_mmio,
1132 				acp_dma_cap_channel_enable(rtd->acp_mmio,
1135 			if (rtd->capture_channel == CAP_CHANNEL1) {
1136 				acp_dma_cap_channel_disable(rtd->acp_mmio,
1138 				acp_dma_cap_channel_enable(rtd->acp_mmio,
1141 			acp_dma_start(rtd->acp_mmio, rtd->ch1, true);
1143 			acp_dma_start(rtd->acp_mmio, rtd->ch1, true);
1144 			acp_dma_start(rtd->acp_mmio, rtd->ch2, true);
1151 		acp_dma_stop(rtd->acp_mmio, rtd->ch2);
1152 		ret = acp_dma_stop(rtd->acp_mmio, rtd->ch1);
1161 		       struct snd_soc_pcm_runtime *rtd)
1168 		snd_pcm_set_managed_buffer_all(rtd->pcm,
1175 		snd_pcm_set_managed_buffer_all(rtd->pcm,
1190 	struct audio_substream_data *rtd = runtime->private_data;
1194 		switch (rtd->i2s_instance) {
1218 		switch (rtd->i2s_instance) {
1242 	kfree(rtd);
1341 	struct audio_substream_data *rtd;
1361 		rtd = adata->play_i2ssp_stream->runtime->private_data;
1362 		config_acp_dma(adata->acp_mmio, rtd, adata->asic_type);
1371 		rtd =  adata->capture_i2ssp_stream->runtime->private_data;
1372 		config_acp_dma(adata->acp_mmio, rtd, adata->asic_type);
1377 			rtd = adata->play_i2s_micsp_stream->runtime->private_data;
1378 			config_acp_dma(adata->acp_mmio, rtd, adata->asic_type);
1382 			rtd = adata->play_i2sbt_stream->runtime->private_data;
1383 			config_acp_dma(adata->acp_mmio, rtd, adata->asic_type);
1387 			rtd = adata->capture_i2sbt_stream->runtime->private_data;
1388 			config_acp_dma(adata->acp_mmio, rtd, adata->asic_type);