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Searched refs:dma_buffer (Results 1 – 25 of 37) sorted by relevance

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/Linux-v5.15/sound/core/
Dpcm_memory.c73 struct snd_dma_buffer *dmab = &substream->dma_buffer; in preallocate_pcm_pages()
103 do_free_pages(substream->pcm->card, &substream->dma_buffer); in snd_pcm_lib_preallocate_free()
132 snd_iprintf(buffer, "%lu\n", (unsigned long) substream->dma_buffer.bytes / 1024); in snd_pcm_lib_preallocate_proc_read()
172 if (substream->dma_buffer.bytes == size) in snd_pcm_lib_preallocate_proc_write()
175 new_dmab.dev = substream->dma_buffer.dev; in snd_pcm_lib_preallocate_proc_write()
178 substream->dma_buffer.dev.type, in snd_pcm_lib_preallocate_proc_write()
179 substream->dma_buffer.dev.dev, in snd_pcm_lib_preallocate_proc_write()
192 if (substream->dma_buffer.area) in snd_pcm_lib_preallocate_proc_write()
193 do_free_pages(card, &substream->dma_buffer); in snd_pcm_lib_preallocate_proc_write()
194 substream->dma_buffer = new_dmab; in snd_pcm_lib_preallocate_proc_write()
[all …]
Dcompress_offload.c499 dmab->dev = stream->dma_buffer.dev; in snd_compr_malloc_pages()
521 if (runtime->dma_buffer_p != &stream->dma_buffer) { in snd_compr_free_pages()
/Linux-v5.15/drivers/i2c/busses/
Di2c-ismt.c326 u8 *dma_buffer = PTR_ALIGN(&priv->buffer[0], 16); in ismt_process_desc() local
342 data->byte = dma_buffer[0]; in ismt_process_desc()
346 data->word = dma_buffer[0] | (dma_buffer[1] << 8); in ismt_process_desc()
350 if (desc->rxbytes != dma_buffer[0] + 1) in ismt_process_desc()
353 memcpy(data->block, dma_buffer, desc->rxbytes); in ismt_process_desc()
356 memcpy(&data->block[1], dma_buffer, desc->rxbytes); in ismt_process_desc()
403 u8 *dma_buffer = PTR_ALIGN(&priv->buffer[0], 16); in ismt_access() local
457 dma_buffer[0] = command; in ismt_access()
458 dma_buffer[1] = data->byte; in ismt_access()
477 dma_buffer[0] = command; in ismt_access()
[all …]
Di2c-xgene-slimpro.c109 u8 dma_buffer[I2C_SMBUS_BLOCK_MAX + 1]; /* dma_buffer[0] is used for length */ member
278 paddr = dma_map_single(ctx->dev, ctx->dma_buffer, readlen, DMA_FROM_DEVICE); in slimpro_i2c_blkrd()
281 ctx->dma_buffer); in slimpro_i2c_blkrd()
296 memcpy(data, ctx->dma_buffer, readlen); in slimpro_i2c_blkrd()
310 memcpy(ctx->dma_buffer, data, writelen); in slimpro_i2c_blkwr()
311 paddr = dma_map_single(ctx->dev, ctx->dma_buffer, writelen, in slimpro_i2c_blkwr()
315 ctx->dma_buffer); in slimpro_i2c_blkwr()
/Linux-v5.15/sound/soc/atmel/
Datmel-pcm-pdc.c78 dma_addr_t dma_buffer; /* physical address of dma buffer */ member
108 prtd->period_ptr = prtd->dma_buffer; in atmel_pcm_dma_irq()
122 prtd->period_ptr = prtd->dma_buffer; in atmel_pcm_dma_irq()
151 prtd->dma_buffer = runtime->dma_addr; in atmel_pcm_hw_params()
206 prtd->period_ptr = prtd->dma_buffer; in atmel_pcm_trigger()
268 x = bytes_to_frames(runtime, ptr - prtd->dma_buffer); in atmel_pcm_pointer()
/Linux-v5.15/sound/soc/qcom/qdsp6/
Dq6asm-dai.c54 struct snd_dma_buffer dma_buffer; member
428 prtd->phys = substream->dma_buffer.addr; in q6asm_dai_open()
430 prtd->phys = substream->dma_buffer.addr | (pdata->sid << 32); in q6asm_dai_open()
632 &prtd->dma_buffer); in q6asm_dai_compr_open()
639 prtd->phys = prtd->dma_buffer.addr; in q6asm_dai_compr_open()
641 prtd->phys = prtd->dma_buffer.addr | (pdata->sid << 32); in q6asm_dai_compr_open()
643 snd_compr_set_runtime_buffer(stream, &prtd->dma_buffer); in q6asm_dai_compr_open()
675 snd_dma_free_pages(&prtd->dma_buffer); in q6asm_dai_compr_free()
1066 dstn = prtd->dma_buffer.area + app_pointer; in q6asm_compr_copy()
1075 if (copy_from_user(prtd->dma_buffer.area, buf + copy, in q6asm_compr_copy()
[all …]
/Linux-v5.15/sound/soc/pxa/
Dmmp-pcm.c76 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); in mmp_pcm_hw_params()
171 buf = &substream->dma_buffer; in mmp_pcm_free_dma_buffers()
183 struct snd_dma_buffer *buf = &substream->dma_buffer; in mmp_pcm_preallocate_dma_buffer()
/Linux-v5.15/drivers/mmc/host/
Dwbsd.c280 sg_copy_to_buffer(data->sg, data->sg_len, host->dma_buffer, len); in wbsd_sg_to_dma()
290 sg_copy_from_buffer(data->sg, data->sg_len, host->dma_buffer, len); in wbsd_dma_to_sg()
1373 host->dma_buffer = kmalloc(WBSD_DMA_SIZE, in wbsd_request_dma()
1375 if (!host->dma_buffer) in wbsd_request_dma()
1381 host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer, in wbsd_request_dma()
1412 kfree(host->dma_buffer); in wbsd_request_dma()
1413 host->dma_buffer = NULL; in wbsd_request_dma()
1428 if (host->dma_buffer) { in wbsd_release_dma()
1431 kfree(host->dma_buffer); in wbsd_release_dma()
1437 host->dma_buffer = NULL; in wbsd_release_dma()
Dwbsd.h157 char* dma_buffer; /* ISA DMA buffer */ member
/Linux-v5.15/sound/soc/sof/
Dcompress.c79 cstream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV_SG; in sof_probe_compr_set_params()
80 cstream->dma_buffer.dev.dev = sdev->dev; in sof_probe_compr_set_params()
/Linux-v5.15/drivers/mtd/spi-nor/controllers/
Dhisi-sfc.c97 dma_addr_t dma_buffer; member
280 from + offset, host->dma_buffer, trans, FMC_OP_READ); in hisi_spi_nor_read()
304 to + offset, host->dma_buffer, trans, FMC_OP_WRITE); in hisi_spi_nor_write()
456 &host->dma_buffer, GFP_KERNEL); in hisi_spi_nor_probe()
/Linux-v5.15/sound/soc/samsung/
Didma.c154 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); in idma_hw_params()
340 buf = &substream->dma_buffer; in idma_free()
353 struct snd_dma_buffer *buf = &substream->dma_buffer; in preallocate_idma_buffer()
/Linux-v5.15/drivers/net/wireless/ath/ath6kl/
Dsdio.c47 u8 *dma_buffer; member
421 if (!ar_sdio->dma_buffer) in ath6kl_sdio_read_write_sync()
424 tbuf = ar_sdio->dma_buffer; in ath6kl_sdio_read_write_sync()
1323 ar_sdio->dma_buffer = kzalloc(HIF_DMA_BUFFER_SIZE, GFP_KERNEL); in ath6kl_sdio_probe()
1324 if (!ar_sdio->dma_buffer) { in ath6kl_sdio_probe()
1383 kfree(ar_sdio->dma_buffer); in ath6kl_sdio_probe()
1406 kfree(ar_sdio->dma_buffer); in ath6kl_sdio_remove()
/Linux-v5.15/sound/soc/fsl/
Dimx-pcm-fiq.c245 struct snd_dma_buffer *buf = &substream->dma_buffer; in snd_imx_pcm_new()
252 struct snd_dma_buffer *buf = &substream->dma_buffer; in snd_imx_pcm_new()
Dfsl_dma.c408 dma_private->dma_buf_phys = substream->dma_buffer.addr; in fsl_dma_open()
533 dma_addr_t temp_addr = substream->dma_buffer.addr; in fsl_dma_hw_params()
/Linux-v5.15/drivers/gpu/drm/bridge/synopsys/
Ddw-hdmi-ahb-audio.c343 0, substream->dma_buffer.bytes); in dw_hdmi_open()
452 dw->buf_dst = substream->dma_buffer.area; in dw_hdmi_prepare()
453 dw->buf_addr = substream->dma_buffer.addr; in dw_hdmi_prepare()
/Linux-v5.15/drivers/mtd/nand/raw/
Dhisi504_nand.c138 dma_addr_t dma_buffer; member
186 hinfc_write(host, host->dma_buffer, HINFC504_DMA_ADDR_DATA); in hisi_nfc_dma_transfer()
701 &host->dma_buffer, GFP_KERNEL); in hisi_nfc_attach_chip()
705 host->dma_oob = host->dma_buffer + mtd->writesize; in hisi_nfc_attach_chip()
/Linux-v5.15/drivers/spi/
Dspi-rockchip-sfc.c180 dma_addr_t dma_buffer; member
458 ret = rockchip_sfc_fifo_transfer_dma(sfc, sfc->dma_buffer, len); in rockchip_sfc_xfer_data_dma()
607 &sfc->dma_buffer, in rockchip_sfc_probe()
/Linux-v5.15/include/sound/
Dcompress_driver.h86 struct snd_dma_buffer dma_buffer; member
/Linux-v5.15/drivers/net/ethernet/qlogic/qlcnic/
Dqlcnic_minidump.c776 void *dma_buffer; in qlcnic_read_memory_pexdma() local
808 dma_buffer = fw_dump->dma_buffer; in qlcnic_read_memory_pexdma()
843 memcpy(buffer, dma_buffer, size); in qlcnic_read_memory_pexdma()
1264 fw_dump->dma_buffer = NULL; in qlcnic_fw_cmd_get_minidump_temp()
1272 fw_dump->dma_buffer = temp_buffer; in qlcnic_fw_cmd_get_minidump_temp()
/Linux-v5.15/drivers/net/wireless/microchip/wilc1000/
Dwlan.c1072 u8 *dma_buffer; in wilc_wlan_firmware_download() local
1077 dma_buffer = kmalloc(blksz, GFP_KERNEL); in wilc_wlan_firmware_download()
1078 if (!dma_buffer) in wilc_wlan_firmware_download()
1093 memcpy(dma_buffer, &buffer[offset], size2); in wilc_wlan_firmware_download()
1095 dma_buffer, size2); in wilc_wlan_firmware_download()
1111 kfree(dma_buffer); in wilc_wlan_firmware_download()
/Linux-v5.15/sound/pci/emu10k1/
Demu10k1x.c235 struct snd_dma_buffer *dma_buffer; member
444 u32 *table_base = (u32 *)(emu->dma_buffer->area+1024*voice); in snd_emu10k1x_pcm_prepare()
453 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer->addr+1024*voice); in snd_emu10k1x_pcm_prepare()
901 chip->dma_buffer = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, in snd_emu10k1x_create()
903 if (!chip->dma_buffer) in snd_emu10k1x_create()
/Linux-v5.15/sound/pci/trident/
Dtrident_memory.c250 if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV_SG) in snd_trident_alloc_pages()
/Linux-v5.15/drivers/block/
Dfloppy.c2432 char *dma_buffer; in copy_buffer() local
2460 dma_buffer = floppy_track_buffer + ((fsector_t - buffer_min) << 9); in copy_buffer()
2470 if (dma_buffer + size > in copy_buffer()
2472 dma_buffer < floppy_track_buffer) { in copy_buffer()
2474 (int)((floppy_track_buffer - dma_buffer) >> 9)); in copy_buffer()
2487 memcpy_to_page(bv.bv_page, bv.bv_offset, dma_buffer, in copy_buffer()
2490 memcpy_from_page(dma_buffer, bv.bv_page, bv.bv_offset, in copy_buffer()
2494 dma_buffer += size; in copy_buffer()
/Linux-v5.15/drivers/comedi/drivers/
Dadl_pci9118.c463 unsigned short *dma_buffer, in pci9118_ai_dma_xfer() argument
476 comedi_buf_write_samples(s, dma_buffer, n_raw_samples); in pci9118_ai_dma_xfer()
500 comedi_buf_write_samples(s, dma_buffer, x); in pci9118_ai_dma_xfer()

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