| /linux/drivers/mailbox/ |
| H A D | pcc.c | 232 static bool pcc_chan_plat_irq_can_be_shared(struct pcc_chan_info *pchan) in pcc_chan_plat_irq_can_be_shared() argument
234 return (pchan->plat_irq_flags & ACPI_PCCT_INTERRUPT_MODE) == in pcc_chan_plat_irq_can_be_shared()
238 static bool pcc_mbox_cmd_complete_check(struct pcc_chan_info *pchan) in pcc_mbox_cmd_complete_check() argument
243 if (!pchan->cmd_complete.gas) in pcc_mbox_cmd_complete_check()
246 ret = pcc_chan_reg_read(&pchan->cmd_complete, &val); in pcc_mbox_cmd_complete_check()
254 val &= pchan->cmd_complete.status_mask; in pcc_mbox_cmd_complete_check()
261 if (pchan->type == ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE) in pcc_mbox_cmd_complete_check()
267 static int pcc_mbox_error_check_and_clear(struct pcc_chan_info *pchan) in pcc_mbox_error_check_and_clear() argument
272 ret = pcc_chan_reg_read(&pchan->error, &val); in pcc_mbox_error_check_and_clear()
276 if (val & pchan->error.status_mask) { in pcc_mbox_error_check_and_clear()
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| H A D | arm_mhu_db.c | 54 unsigned int pchan; member
59 mhu_db_mbox_to_channel(struct mbox_controller *mbox, unsigned int pchan, in mhu_db_mbox_to_channel() argument
67 if (chan_info && chan_info->pchan == pchan && in mhu_db_mbox_to_channel()
78 void __iomem *base = chan_info->mhu->mlink[chan_info->pchan].rx_reg; in mhu_db_mbox_clear_irq()
85 unsigned int pchan; in mhu_db_mbox_irq_to_pchan_num() local
87 for (pchan = 0; pchan < MHU_CHANS; pchan++) in mhu_db_mbox_irq_to_pchan_num()
88 if (mhu->mlink[pchan].irq == irq) in mhu_db_mbox_irq_to_pchan_num()
90 return pchan; in mhu_db_mbox_irq_to_pchan_num()
94 mhu_db_mbox_irq_to_channel(struct arm_mhu *mhu, unsigned int pchan) in mhu_db_mbox_irq_to_channel() argument
100 void __iomem *base = mhu->mlink[pchan].rx_reg; in mhu_db_mbox_irq_to_channel()
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| /linux/drivers/dma/ |
| H A D | owl-dma.c | 205 struct owl_dma_pchan *pchan; member
241 static void pchan_update(struct owl_dma_pchan *pchan, u32 reg, in pchan_update() argument
246 regval = readl(pchan->base + reg); in pchan_update()
253 writel(regval, pchan->base + reg); in pchan_update()
256 static void pchan_writel(struct owl_dma_pchan *pchan, u32 reg, u32 data) in pchan_writel() argument
258 writel(data, pchan->base + reg); in pchan_writel()
261 static u32 pchan_readl(struct owl_dma_pchan *pchan, u32 reg) in pchan_readl() argument
263 return readl(pchan->base + reg); in pchan_readl()
471 struct owl_dma_pchan *pchan = NULL; in owl_dma_get_pchan() local
476 pchan = &od->pchans[i]; in owl_dma_get_pchan()
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| H A D | sun6i-dma.c | 253 struct sun6i_pchan *pchan) in sun6i_dma_dump_chan_regs() argument
264 pchan->idx, in sun6i_dma_dump_chan_regs()
266 readl(pchan->base + DMA_CHAN_ENABLE), in sun6i_dma_dump_chan_regs()
268 readl(pchan->base + DMA_CHAN_PAUSE), in sun6i_dma_dump_chan_regs()
270 readl(pchan->base + DMA_CHAN_LLI_ADDR), in sun6i_dma_dump_chan_regs()
272 readl(pchan->base + DMA_CHAN_CUR_CFG), in sun6i_dma_dump_chan_regs()
274 readl(pchan->base + DMA_CHAN_CUR_SRC), in sun6i_dma_dump_chan_regs()
276 readl(pchan->base + DMA_CHAN_CUR_DST), in sun6i_dma_dump_chan_regs()
278 readl(pchan->base + DMA_CHAN_CUR_CNT), in sun6i_dma_dump_chan_regs()
280 readl(pchan->base + DMA_CHAN_CUR_PARA)); in sun6i_dma_dump_chan_regs()
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| H A D | sun4i-dma.c | 196 struct sun4i_dma_pchan *pchan; member
311 struct sun4i_dma_pchan *pchan = NULL, *pchans = priv->pchans; in find_and_use_pchan() local
329 pchan = &pchans[i]; in find_and_use_pchan()
330 pchan->vchan = vchan; in find_and_use_pchan()
336 return pchan; in find_and_use_pchan()
340 struct sun4i_dma_pchan *pchan) in release_pchan() argument
343 int nr = pchan - priv->pchans; in release_pchan()
347 pchan->vchan = NULL; in release_pchan()
353 static void configure_pchan(struct sun4i_dma_pchan *pchan, in configure_pchan() argument
360 if (pchan->is_dedicated) { in configure_pchan()
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| H A D | timb_dma.c | 684 struct timb_dma_platform_data_channel *pchan = in td_probe() local
688 if ((i % 2) == pchan->rx) { in td_probe()
701 td_chan->descs = pchan->descriptors; in td_probe()
702 td_chan->desc_elems = pchan->descriptor_elements; in td_probe()
703 td_chan->bytes_per_line = pchan->bytes_per_line; in td_probe()
704 td_chan->direction = pchan->rx ? DMA_DEV_TO_MEM : in td_probe()
709 (pchan->rx ? 0 : TIMBDMA_INSTANCE_TX_OFFSET); in td_probe()
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| H A D | pxa_dma.c | 368 static struct pxad_phy *lookup_phy(struct pxad_chan *pchan) in lookup_phy() argument
371 struct pxad_device *pdev = to_pxad_dev(pchan->vc.chan.device); in lookup_phy()
384 for (prio = pchan->prio; prio >= PXAD_PRIO_HIGHEST; prio--) { in lookup_phy()
390 phy->vchan = pchan; in lookup_phy()
399 dev_dbg(&pchan->vc.chan.dev->device, in lookup_phy()
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| H A D | pl330.c | 542 struct dma_pl330_chan *pchan; member
1566 pch = desc->pchan; in dma_pl330_rqcb()
2613 desc->pchan = pch; in pl330_get_desc()
2663 struct dma_pl330_chan *pch = desc->pchan; in get_burst_len()
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| /linux/drivers/devfreq/ |
| H A D | hisi_uncore_freq.c | 78 struct pcc_mbox_chan *pchan; member
97 pcc_mbox_free_channel(uncore->pchan); in hisi_uncore_free_pcc_chan()
98 uncore->pchan = NULL; in hisi_uncore_free_pcc_chan()
135 uncore->pchan = pcc_chan; in hisi_uncore_request_pcc_chan()
190 struct pcc_mbox_chan *pchan; in hisi_uncore_cmd_send() local
198 pchan = uncore->pchan; in hisi_uncore_cmd_send()
199 if (!pchan) in hisi_uncore_cmd_send()
202 addr = (struct hisi_uncore_pcc_shmem __iomem *)pchan->shmem; in hisi_uncore_cmd_send()
207 mrtt = pchan->min_turnaround_time; in hisi_uncore_cmd_send()
221 rc = mbox_send_message(pchan->mchan, &cmd); in hisi_uncore_cmd_send()
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| /linux/drivers/gpu/drm/nouveau/ |
| H A D | nouveau_chan.c | 89 nouveau_channel_del(struct nouveau_channel **pchan) in nouveau_channel_del() argument
91 struct nouveau_channel *chan = *pchan; in nouveau_channel_del()
113 *pchan = NULL; in nouveau_channel_del()
143 u32 size, struct nouveau_channel **pchan) in nouveau_channel_prep() argument
152 chan = *pchan = kzalloc_obj(*chan); in nouveau_channel_prep()
167 nouveau_channel_del(pchan); in nouveau_channel_prep()
188 nouveau_channel_del(pchan); in nouveau_channel_prep()
240 nouveau_channel_del(pchan); in nouveau_channel_prep()
249 struct nouveau_channel **pchan) in nouveau_channel_ctor() argument
292 *pchan = chan; in nouveau_channel_ctor()
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| /linux/drivers/iio/multiplexer/ |
| H A D | iio-mux.c | 244 struct iio_chan_spec const *pchan = mux->parent->channel; in mux_configure_chan_ext_info() local
262 if (!pchan->ext_info[i].write) in mux_configure_chan_ext_info()
264 if (!pchan->ext_info[i].read) in mux_configure_chan_ext_info()
272 pchan->ext_info[i].name); in mux_configure_chan_ext_info()
277 pchan->ext_info[i].name); in mux_configure_chan_ext_info()
297 struct iio_chan_spec const *pchan = mux->parent->channel; in mux_configure_channel() local
302 chan->output = pchan->output; in mux_configure_channel()
312 if (iio_channel_has_info(pchan, IIO_CHAN_INFO_RAW)) in mux_configure_channel()
314 if (iio_channel_has_info(pchan, IIO_CHAN_INFO_SCALE)) in mux_configure_channel()
317 if (iio_channel_has_available(pchan, IIO_CHAN_INFO_RAW)) in mux_configure_channel()
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| /linux/drivers/firmware/ |
| H A D | arm_scpi.c | 942 struct scpi_chan *pchan = scpi_drvinfo->channels + idx; in scpi_probe() local
943 struct mbox_client *cl = &pchan->cl; in scpi_probe()
957 pchan->rx_payload = devm_ioremap(dev, res.start, size); in scpi_probe()
958 if (!pchan->rx_payload) { in scpi_probe()
962 pchan->tx_payload = pchan->rx_payload + (size >> 1); in scpi_probe()
971 INIT_LIST_HEAD(&pchan->rx_pending); in scpi_probe()
972 INIT_LIST_HEAD(&pchan->xfers_list); in scpi_probe()
973 spin_lock_init(&pchan->rx_lock); in scpi_probe()
974 mutex_init(&pchan->xfers_lock); in scpi_probe()
976 ret = scpi_alloc_xfer_list(dev, pchan); in scpi_probe()
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| /linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ |
| H A D | chan.c | 261 nvkm_chan_del(struct nvkm_chan **pchan) in nvkm_chan_del() argument
263 struct nvkm_chan *chan = *pchan; in nvkm_chan_del()
295 nvkm_chan_put(struct nvkm_chan **pchan, unsigned long irqflags) in nvkm_chan_put() argument
297 struct nvkm_chan *chan = *pchan; in nvkm_chan_put()
302 *pchan = NULL; in nvkm_chan_put()
348 struct nvkm_memory *userd, u64 ouserd, struct nvkm_chan **pchan) in nvkm_chan_new_() argument
370 if (!(chan = *pchan = kzalloc_obj(*chan))) in nvkm_chan_new_()
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| /linux/net/bluetooth/ |
| H A D | l2cap_core.c | 528 void l2cap_chan_set_defaults(struct l2cap_chan *chan, struct l2cap_chan *pchan) in l2cap_chan_set_defaults() argument
542 if (pchan) { in l2cap_chan_set_defaults()
543 BT_DBG("chan %p pchan %p", chan, pchan); in l2cap_chan_set_defaults()
545 chan->chan_type = pchan->chan_type; in l2cap_chan_set_defaults()
546 chan->imtu = pchan->imtu; in l2cap_chan_set_defaults()
547 chan->omtu = pchan->omtu; in l2cap_chan_set_defaults()
548 chan->mode = pchan->mode; in l2cap_chan_set_defaults()
549 chan->fcs = pchan->fcs; in l2cap_chan_set_defaults()
550 chan->max_tx = pchan->max_tx; in l2cap_chan_set_defaults()
551 chan->tx_win = pchan->tx_win; in l2cap_chan_set_defaults()
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| /linux/include/net/bluetooth/ |
| H A D | l2cap.h | 966 void l2cap_chan_set_defaults(struct l2cap_chan *chan, struct l2cap_chan *pchan);
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