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Searched refs:num_periods (Results 1 – 14 of 14) sorted by relevance

/drivers/media/pci/cx23885/
Dcx23885-alsa.c179 chip->num_periods, buf->bpl * chip->num_periods); in cx23885_start_audio_dma()
371 chip->num_periods = params_periods(hw_params); in snd_cx23885_hw_params()
375 BUG_ON(chip->num_periods & (chip->num_periods-1)); in snd_cx23885_hw_params()
394 chip->period_size, chip->num_periods, 1); in snd_cx23885_hw_params()
Dcx23885.h345 unsigned int num_periods; member
/drivers/staging/ralink-gdma/
Dralink-gdma.c566 unsigned int num_periods, i; in gdma_dma_prep_dma_memcpy() local
575 num_periods = DIV_ROUND_UP(len, xfer_count); in gdma_dma_prep_dma_memcpy()
577 desc = kzalloc(struct_size(desc, sg, num_periods), GFP_ATOMIC); in gdma_dma_prep_dma_memcpy()
584 for (i = 0; i < num_periods; i++) { in gdma_dma_prep_dma_memcpy()
596 desc->num_sgs = num_periods; in gdma_dma_prep_dma_memcpy()
610 unsigned int num_periods, i; in gdma_dma_prep_dma_cyclic() local
621 num_periods = buf_len / period_len; in gdma_dma_prep_dma_cyclic()
622 desc = kzalloc(struct_size(desc, sg, num_periods), GFP_ATOMIC); in gdma_dma_prep_dma_cyclic()
629 for (i = 0; i < num_periods; i++) { in gdma_dma_prep_dma_cyclic()
643 desc->num_sgs = num_periods; in gdma_dma_prep_dma_cyclic()
/drivers/media/pci/cx88/
Dcx88-alsa.c70 unsigned int num_periods; member
135 chip->num_periods, buf->bpl * chip->num_periods); in _cx88_start_audio_dma()
462 chip->num_periods = params_periods(hw_params); in snd_cx88_hw_params()
466 WARN_ON(chip->num_periods & (chip->num_periods - 1)); in snd_cx88_hw_params()
485 chip->period_size, chip->num_periods, 1); in snd_cx88_hw_params()
/drivers/media/pci/cx25821/
Dcx25821-alsa.c78 unsigned int num_periods; member
509 chip->num_periods = params_periods(hw_params); in snd_cx25821_hw_params()
513 BUG_ON(chip->num_periods & (chip->num_periods - 1)); in snd_cx25821_hw_params()
535 chip->period_size, chip->num_periods, 1); in snd_cx25821_hw_params()
/drivers/dma/
Dtegra210-adma.c124 size_t num_periods; member
401 periods_remaining = tdc->tx_buf_count % desc->num_periods; in tegra_adma_get_residue()
565 if (desc->num_periods > ADMA_CH_CONFIG_MAX_BUFS) in tegra_adma_set_xfer_params()
572 ch_regs->config = ADMA_CH_CONFIG_SRC_BUF(desc->num_periods - 1); in tegra_adma_set_xfer_params()
582 ch_regs->config = ADMA_CH_CONFIG_TRG_BUF(desc->num_periods - 1); in tegra_adma_set_xfer_params()
636 desc->num_periods = buf_len / period_len; in tegra_adma_prep_dma_cyclic()
Ddma-axi-dmac.c494 unsigned int num_periods, unsigned int period_len, in axi_dmac_fill_linear_sg() argument
507 for (i = 0; i < num_periods; i++) { in axi_dmac_fill_linear_sg()
583 unsigned int num_periods, num_segments; in axi_dmac_prep_dma_cyclic() local
595 num_periods = buf_len / period_len; in axi_dmac_prep_dma_cyclic()
598 desc = axi_dmac_alloc_desc(num_periods * num_segments); in axi_dmac_prep_dma_cyclic()
602 axi_dmac_fill_linear_sg(chan, direction, buf_addr, num_periods, in axi_dmac_prep_dma_cyclic()
Dmxs-dma.c581 u32 num_periods = buf_len / period_len; in mxs_dma_prep_dma_cyclic() local
591 if (num_periods > NUM_CCW) { in mxs_dma_prep_dma_cyclic()
594 num_periods, NUM_CCW); in mxs_dma_prep_dma_cyclic()
608 if (i + 1 == num_periods) in mxs_dma_prep_dma_cyclic()
Dmmp_tdma.c429 int num_periods = buf_len / period_len; in mmp_tdma_prep_dma_cyclic() local
450 tdmac->desc_num = num_periods; in mmp_tdma_prep_dma_cyclic()
461 if (i + 1 == num_periods) in mmp_tdma_prep_dma_cyclic()
Dstm32-dma.c939 u32 num_periods, nb_data_items; in stm32_dma_prep_dma_cyclic() local
988 num_periods = buf_len / period_len; in stm32_dma_prep_dma_cyclic()
990 desc = kzalloc(struct_size(desc, sg_req, num_periods), GFP_NOWAIT); in stm32_dma_prep_dma_cyclic()
994 for (i = 0; i < num_periods; i++) { in stm32_dma_prep_dma_cyclic()
1007 desc->num_sgs = num_periods; in stm32_dma_prep_dma_cyclic()
Dimx-sdma.c1590 int num_periods = buf_len / period_len; in sdma_prep_dma_cyclic() local
1599 desc = sdma_transfer_init(sdmac, direction, num_periods); in sdma_prep_dma_cyclic()
1629 if (i + 1 == num_periods) in sdma_prep_dma_cyclic()
/drivers/dma/dw-axi-dmac/
Ddw-axi-dmac-platform.c682 u32 num_periods, num_segments; in dw_axi_dma_chan_prep_cyclic() local
691 num_periods = buf_len / period_len; in dw_axi_dma_chan_prep_cyclic()
700 total_segments = num_periods * num_segments; in dw_axi_dma_chan_prep_cyclic()
/drivers/media/rc/
Dredrat3.c162 __be16 num_periods; member
298 mod_freq = (RR3_CLK * be16_to_cpu(irdata->num_periods)) / in redrat3_val_to_mod_freq()
/drivers/dma/xilinx/
Dxilinx_dma.c2251 unsigned int num_periods; in xilinx_dma_prep_dma_cyclic() local
2258 num_periods = buf_len / period_len; in xilinx_dma_prep_dma_cyclic()
2260 if (!num_periods) in xilinx_dma_prep_dma_cyclic()
2275 for (i = 0; i < num_periods; ++i) { in xilinx_dma_prep_dma_cyclic()