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Searched refs:dma_buffer (Results 1 – 25 of 45) sorted by relevance

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/linux/sound/core/
A Dpcm_memory.c204 if (substream->dma_buffer.bytes == size) in snd_pcm_lib_preallocate_proc_write()
210 substream->dma_buffer.dev.type, in snd_pcm_lib_preallocate_proc_write()
211 substream->dma_buffer.dev.dev, in snd_pcm_lib_preallocate_proc_write()
225 if (substream->dma_buffer.area) in snd_pcm_lib_preallocate_proc_write()
227 substream->dma_buffer = new_dmab; in snd_pcm_lib_preallocate_proc_write()
270 substream->dma_buffer.dev.type = type; in preallocate_pages()
271 substream->dma_buffer.dev.dev = data; in preallocate_pages()
287 if (substream->dma_buffer.bytes > 0) in preallocate_pages()
454 dmab->dev = substream->dma_buffer.dev; in snd_pcm_lib_malloc_pages()
456 substream->dma_buffer.dev.type, in snd_pcm_lib_malloc_pages()
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/linux/drivers/net/wireless/purelifi/plfxlc/
A Dfirmware.c240 unsigned char *dma_buffer = NULL; in plfxlc_upload_mac_and_serial() local
242 dma_buffer = kmalloc(PLF_SERIAL_LEN, GFP_KERNEL); in plfxlc_upload_mac_and_serial()
243 if (!dma_buffer) in plfxlc_upload_mac_and_serial()
252 memcpy(hw_address, dma_buffer, ETH_ALEN); in plfxlc_upload_mac_and_serial()
255 dma_buffer, PLF_SERIAL_LEN); in plfxlc_upload_mac_and_serial()
258 dma_buffer, PLF_SERIAL_LEN); in plfxlc_upload_mac_and_serial()
260 memcpy(serial_number, dma_buffer, PLF_SERIAL_LEN); in plfxlc_upload_mac_and_serial()
262 memset(dma_buffer, 0x00, PLF_SERIAL_LEN); in plfxlc_upload_mac_and_serial()
265 (unsigned char *)dma_buffer, PLF_FW_VER_LEN); in plfxlc_upload_mac_and_serial()
267 memcpy(&firmware_version, dma_buffer, PLF_FW_VER_LEN); in plfxlc_upload_mac_and_serial()
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A Dusb.c516 unsigned char *dma_buffer = NULL; in plfxlc_usb_wreq() local
526 dma_buffer = kmemdup(&usb_req, usb_bulk_msg_len, GFP_KERNEL); in plfxlc_usb_wreq()
528 if (!dma_buffer) { in plfxlc_usb_wreq()
535 dma_buffer, usb_bulk_msg_len, in plfxlc_usb_wreq()
537 kfree(dma_buffer); in plfxlc_usb_wreq()
/linux/drivers/i2c/busses/
A Di2c-ismt.c345 data->byte = dma_buffer[0]; in ismt_process_desc()
349 data->word = dma_buffer[0] | (dma_buffer[1] << 8); in ismt_process_desc()
472 dma_buffer[0] = command; in ismt_access()
473 dma_buffer[1] = data->byte; in ismt_access()
492 dma_buffer[0] = command; in ismt_access()
512 dma_buffer[0] = command; in ismt_access()
528 dma_buffer[0] = command; in ismt_access()
552 dma_buffer[0] = command; in ismt_access()
571 dma_buffer[0] = command; in ismt_access()
606 dma_buffer, in ismt_access()
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A Di2c-xgene-slimpro.c102 u8 dma_buffer[I2C_SMBUS_BLOCK_MAX + 1]; /* dma_buffer[0] is used for length */ member
271 paddr = dma_map_single(ctx->dev, ctx->dma_buffer, readlen, DMA_FROM_DEVICE); in slimpro_i2c_blkrd()
274 ctx->dma_buffer); in slimpro_i2c_blkrd()
289 memcpy(data, ctx->dma_buffer, readlen); in slimpro_i2c_blkrd()
306 memcpy(ctx->dma_buffer, data, writelen); in slimpro_i2c_blkwr()
307 paddr = dma_map_single(ctx->dev, ctx->dma_buffer, writelen, in slimpro_i2c_blkwr()
311 ctx->dma_buffer); in slimpro_i2c_blkwr()
/linux/drivers/media/pci/intel/ipu6/
A Dipu6-fw-com.c88 void *dma_buffer; member
209 ctx->dma_buffer = dma_alloc_attrs(dev, sizeall, &ctx->dma_addr, in ipu6_fw_com_prepare()
212 if (!ctx->dma_buffer) { in ipu6_fw_com_prepare()
220 config_host_addr = ctx->dma_buffer; in ipu6_fw_com_prepare()
224 ctx->input_queue = ctx->dma_buffer + offset; in ipu6_fw_com_prepare()
229 ctx->output_queue = ctx->dma_buffer + offset; in ipu6_fw_com_prepare()
235 specific_host_addr = ctx->dma_buffer + offset; in ipu6_fw_com_prepare()
245 res.host_address = (u64)(ctx->dma_buffer + offset); in ipu6_fw_com_prepare()
254 res.host_address = (u64)(ctx->dma_buffer + offset); in ipu6_fw_com_prepare()
319 ctx->dma_buffer, ctx->dma_addr, ctx->attrs); in ipu6_fw_com_release()
/linux/sound/soc/atmel/
A 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/sound/soc/qcom/qdsp6/
A Dq6apm-dai.c63 struct snd_dma_buffer dma_buffer; member
395 prtd->phys = substream->dma_buffer.addr; in q6apm_dai_open()
397 prtd->phys = substream->dma_buffer.addr | (pdata->sid << 32); in q6apm_dai_open()
511 prtd->phys = prtd->dma_buffer.addr; in q6apm_dai_compr_open()
513 prtd->phys = prtd->dma_buffer.addr | (pdata->sid << 32); in q6apm_dai_compr_open()
515 snd_compr_set_runtime_buffer(stream, &prtd->dma_buffer); in q6apm_dai_compr_open()
531 snd_dma_free_pages(&prtd->dma_buffer); in q6apm_dai_compr_free()
745 return dma_mmap_coherent(dev, vma, prtd->dma_buffer.area, prtd->dma_buffer.addr, in q6apm_dai_compr_mmap()
746 prtd->dma_buffer.bytes); in q6apm_dai_compr_mmap()
775 dstn = prtd->dma_buffer.area + app_pointer; in q6apm_compr_copy()
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A Dq6asm-dai.c55 struct snd_dma_buffer dma_buffer; member
425 prtd->phys = substream->dma_buffer.addr; in q6asm_dai_open()
629 &prtd->dma_buffer); in q6asm_dai_compr_open()
636 prtd->phys = prtd->dma_buffer.addr; in q6asm_dai_compr_open()
638 prtd->phys = prtd->dma_buffer.addr | (pdata->sid << 32); in q6asm_dai_compr_open()
640 snd_compr_set_runtime_buffer(stream, &prtd->dma_buffer); in q6asm_dai_compr_open()
672 snd_dma_free_pages(&prtd->dma_buffer); in q6asm_dai_compr_free()
1063 dstn = prtd->dma_buffer.area + app_pointer; in q6asm_compr_copy()
1072 if (copy_from_user(prtd->dma_buffer.area, buf + copy, in q6asm_compr_copy()
1117 prtd->dma_buffer.area, prtd->dma_buffer.addr, in q6asm_dai_compr_mmap()
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/linux/sound/soc/google/
A Dchv3-i2s.c176 I2S_MAX_BUFFER_SIZE, &substream->dma_buffer); in chv3_dma_pcm_construct()
184 I2S_MAX_BUFFER_SIZE, &substream->dma_buffer); in chv3_dma_pcm_construct()
196 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); in chv3_dma_hw_params()
213 chv3_i2s_wr(i2s, I2S_RX_BASE_ADDR, substream->dma_buffer.addr); in chv3_dma_prepare()
219 chv3_i2s_wr(i2s, I2S_TX_BASE_ADDR, substream->dma_buffer.addr); in chv3_dma_prepare()
/linux/drivers/mmc/host/
A 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()
1369 host->dma_buffer = kmalloc(WBSD_DMA_SIZE, in wbsd_request_dma()
1371 if (!host->dma_buffer) in wbsd_request_dma()
1377 host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer, in wbsd_request_dma()
1408 kfree(host->dma_buffer); in wbsd_request_dma()
1409 host->dma_buffer = NULL; in wbsd_request_dma()
1424 if (host->dma_buffer) { in wbsd_release_dma()
1427 kfree(host->dma_buffer); in wbsd_release_dma()
1433 host->dma_buffer = NULL; in wbsd_release_dma()
A Dwbsd.h157 char* dma_buffer; /* ISA DMA buffer */ member
/linux/drivers/mtd/spi-nor/controllers/
A 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()
453 &host->dma_buffer, GFP_KERNEL); in hisi_spi_nor_probe()
/linux/sound/soc/samsung/
A Didma.c154 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); in idma_hw_params()
337 buf = &substream->dma_buffer; in idma_free()
350 struct snd_dma_buffer *buf = &substream->dma_buffer; in preallocate_idma_buffer()
/linux/drivers/net/wireless/ath/ath6kl/
A 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/sound/soc/fsl/
A 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()
/linux/sound/soc/intel/avs/
A Dprobes.c138 cstream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV_SG; in avs_probe_compr_set_params()
139 cstream->dma_buffer.dev.dev = adev->dev; in avs_probe_compr_set_params()
/linux/sound/soc/loongson/
A Dloongson_dma.c159 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); in loongson_pcm_hw_params()
301 substream->dma_buffer.addr >> PAGE_SHIFT, in loongson_pcm_mmap()
/linux/drivers/gpu/drm/bridge/synopsys/
A Ddw-hdmi-ahb-audio.c348 0, substream->dma_buffer.bytes); in dw_hdmi_open()
478 dw->buf_dst = substream->dma_buffer.area; in dw_hdmi_prepare()
479 dw->buf_addr = substream->dma_buffer.addr; in dw_hdmi_prepare()
/linux/drivers/mtd/nand/raw/
A 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/drivers/spi/
A 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()
605 &sfc->dma_buffer, in rockchip_sfc_probe()
/linux/include/sound/
A Dcompress_driver.h86 struct snd_dma_buffer dma_buffer; member
/linux/drivers/net/ethernet/qlogic/qlcnic/
A 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/sound/soc/sof/
A Dcompress.c202 cstream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV_SG; in sof_compr_set_params()
203 cstream->dma_buffer.dev.dev = sdev->dev; in sof_compr_set_params()
/linux/sound/pci/emu10k1/
A 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()

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