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/openbmc/linux/drivers/dma/dw-edma/
H A Ddw-edma-v0-core.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2018-2019 Synopsys, Inc. and/or its affiliates.
11 #include <linux/io-64-nonatomic-lo-hi.h>
13 #include "dw-edma-core.h"
14 #include "dw-edma-v0-core.h"
15 #include "dw-edma-v0-regs.h"
16 #include "dw-edma-v0-debugfs.h"
30 return dw->chip->reg_base; in __dw_regs()
33 #define SET_32(dw, name, value) \ argument
34 writel(value, &(__dw_regs(dw)->name))
[all …]
H A Ddw-hdma-v0-core.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/io-64-nonatomic-lo-hi.h>
11 #include "dw-edma-core.h"
12 #include "dw-hdma-v0-core.h"
13 #include "dw-hdma-v0-regs.h"
14 #include "dw-hdma-v0-debugfs.h"
28 return dw->chip->reg_base; in __dw_regs()
35 return &(__dw_regs(dw)->ch[ch].wr); in __dw_ch_regs()
37 return &(__dw_regs(dw)->ch[ch].rd); in __dw_ch_regs()
40 #define SET_CH_32(dw, dir, ch, name, value) \ argument
[all …]
/openbmc/linux/drivers/iio/
H A Dinkern.c1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/iio/iio-opaque.h>
31 int ret = -ENODEV; in iio_map_array_unregister_locked()
35 if (indio_dev == mapi->indio_dev) { in iio_map_array_unregister_locked()
36 list_del(&mapi->l); in iio_map_array_unregister_locked()
56 ret = -ENOMEM; in iio_map_array_register()
59 mapi->map = &maps[i]; in iio_map_array_register()
60 mapi->indio_dev = indio_dev; in iio_map_array_register()
61 list_add_tail(&mapi->l, &iio_map_list); in iio_map_array_register()
106 *iio_chan_spec_from_name(const struct iio_dev *indio_dev, const char *name) in iio_chan_spec_from_name() argument
[all …]
/openbmc/linux/sound/soc/codecs/
H A Daudio-iio-aux.c1 // SPDX-License-Identifier: GPL-2.0-only
21 const char *name; member
36 struct audio_iio_aux_chan *chan = (struct audio_iio_aux_chan *)kcontrol->private_value; in audio_iio_aux_info_volsw() local
38 uinfo->count = 1; in audio_iio_aux_info_volsw()
39 uinfo->value.integer.min = 0; in audio_iio_aux_info_volsw()
40 uinfo->value.integer.max = chan->max - chan->min; in audio_iio_aux_info_volsw()
41 uinfo->type = (uinfo->value.integer.max == 1) ? in audio_iio_aux_info_volsw()
49 struct audio_iio_aux_chan *chan = (struct audio_iio_aux_chan *)kcontrol->private_value; in audio_iio_aux_get_volsw() local
50 int max = chan->max; in audio_iio_aux_get_volsw()
51 int min = chan->min; in audio_iio_aux_get_volsw()
[all …]
/openbmc/linux/drivers/video/fbdev/nvidia/
H A Dnv_i2c.c2 * linux/drivers/video/nvidia/nvidia-i2c.c - nVidia i2c
6 * Based on rivafb-i2c.c
30 struct nvidia_i2c_chan *chan = data; in nvidia_gpio_setscl() local
31 struct nvidia_par *par = chan->par; in nvidia_gpio_setscl()
34 val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0; in nvidia_gpio_setscl()
41 NVWriteCrtc(par, chan->ddc_base + 1, val | 0x01); in nvidia_gpio_setscl()
46 struct nvidia_i2c_chan *chan = data; in nvidia_gpio_setsda() local
47 struct nvidia_par *par = chan->par; in nvidia_gpio_setsda()
50 val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0; in nvidia_gpio_setsda()
57 NVWriteCrtc(par, chan->ddc_base + 1, val | 0x01); in nvidia_gpio_setsda()
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/openbmc/linux/drivers/gpu/drm/gma500/
H A Dintel_i2c.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright © 2006-2007 Intel Corporation
11 #include <linux/i2c-algo-bit.h>
25 struct gma_i2c_chan *chan = data; in get_clock() local
26 struct drm_device *dev = chan->drm_dev; in get_clock()
29 val = REG_READ(chan->reg); in get_clock()
35 struct gma_i2c_chan *chan = data; in get_data() local
36 struct drm_device *dev = chan->drm_dev; in get_data()
39 val = REG_READ(chan->reg); in get_data()
45 struct gma_i2c_chan *chan = data; in set_clock() local
[all …]
/openbmc/linux/drivers/soc/ti/
H A Dknav_dma.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/dma-direction.h>
100 char name[32]; member
124 #define chan_number(ch) ((ch->direction == DMA_MEM_TO_DEV) ? \
125 ch->channel : ch->flow)
136 static bool check_config(struct knav_dma_chan *chan, struct knav_dma_cfg *cfg) in check_config() argument
138 if (!memcmp(&chan->cfg, cfg, sizeof(*cfg))) in check_config()
144 static int chan_start(struct knav_dma_chan *chan, in chan_start() argument
149 spin_lock(&chan->lock); in chan_start()
150 if ((chan->direction == DMA_MEM_TO_DEV) && chan->reg_chan) { in chan_start()
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/openbmc/linux/drivers/video/fbdev/aty/
H A Dradeon_i2c.c1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/i2c-algo-bit.h>
20 struct radeon_i2c_chan *chan = data; in radeon_gpio_setscl() local
21 struct radeonfb_info *rinfo = chan->rinfo; in radeon_gpio_setscl()
24 val = INREG(chan->ddc_reg) & ~(VGA_DDC_CLK_OUT_EN); in radeon_gpio_setscl()
28 OUTREG(chan->ddc_reg, val); in radeon_gpio_setscl()
29 (void)INREG(chan->ddc_reg); in radeon_gpio_setscl()
34 struct radeon_i2c_chan *chan = data; in radeon_gpio_setsda() local
35 struct radeonfb_info *rinfo = chan->rinfo; in radeon_gpio_setsda()
38 val = INREG(chan->ddc_reg) & ~(VGA_DDC_DATA_OUT_EN); in radeon_gpio_setsda()
[all …]
/openbmc/linux/drivers/video/fbdev/riva/
H A Drivafb-i2c.c2 * linux/drivers/video/riva/fbdev-i2c.c - nVidia i2c
8 * Based on radeonfb-i2c.c
29 struct riva_i2c_chan *chan = data; in riva_gpio_setscl() local
30 struct riva_par *par = chan->par; in riva_gpio_setscl()
33 VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1); in riva_gpio_setscl()
34 val = VGA_RD08(par->riva.PCIO, 0x3d5) & 0xf0; in riva_gpio_setscl()
41 VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1); in riva_gpio_setscl()
42 VGA_WR08(par->riva.PCIO, 0x3d5, val | 0x1); in riva_gpio_setscl()
47 struct riva_i2c_chan *chan = data; in riva_gpio_setsda() local
48 struct riva_par *par = chan->par; in riva_gpio_setsda()
[all …]
/openbmc/linux/drivers/video/fbdev/i810/
H A Di810-i2c.c1 /*-*- linux-c -*-
2 * linux/drivers/video/i810-i2c.c -- Intel 810/815 I2C support
44 struct i810fb_i2c_chan *chan = data; in i810i2c_setscl() local
45 struct i810fb_par *par = chan->par; in i810i2c_setscl()
46 u8 __iomem *mmio = par->mmio_start_virtual; in i810i2c_setscl()
49 i810_writel(mmio, chan->ddc_base, SCL_DIR_MASK | SCL_VAL_MASK); in i810i2c_setscl()
51 i810_writel(mmio, chan->ddc_base, SCL_DIR | SCL_DIR_MASK | SCL_VAL_MASK); in i810i2c_setscl()
52 i810_readl(mmio, chan->ddc_base); /* flush posted write */ in i810i2c_setscl()
57 struct i810fb_i2c_chan *chan = data; in i810i2c_setsda() local
58 struct i810fb_par *par = chan->par; in i810i2c_setsda()
[all …]
/openbmc/u-boot/drivers/mailbox/
H A Dmailbox-uclass.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <mailbox-uclass.h>
13 return (struct mbox_ops *)dev->driver->ops; in mbox_dev_ops()
16 static int mbox_of_xlate_default(struct mbox_chan *chan, in mbox_of_xlate_default() argument
19 debug("%s(chan=%p)\n", __func__, chan); in mbox_of_xlate_default()
21 if (args->args_count != 1) { in mbox_of_xlate_default()
22 debug("Invaild args_count: %d\n", args->args_count); in mbox_of_xlate_default()
23 return -EINVAL; in mbox_of_xlate_default()
26 chan->id = args->args[0]; in mbox_of_xlate_default()
31 int mbox_get_by_index(struct udevice *dev, int index, struct mbox_chan *chan) in mbox_get_by_index() argument
[all …]
/openbmc/linux/drivers/video/fbdev/savage/
H A Dsavagefb-i2c.c2 * linux/drivers/video/savage/savagefb-i2c.c - S3 Savage DDC2
6 * Based partly on rivafb-i2c.c
47 struct savagefb_i2c_chan *chan = data; in savage4_gpio_setscl() local
50 r = readl(chan->ioaddr + chan->reg); in savage4_gpio_setscl()
55 writel(r, chan->ioaddr + chan->reg); in savage4_gpio_setscl()
56 readl(chan->ioaddr + chan->reg); /* flush posted write */ in savage4_gpio_setscl()
61 struct savagefb_i2c_chan *chan = data; in savage4_gpio_setsda() local
64 r = readl(chan->ioaddr + chan->reg); in savage4_gpio_setsda()
69 writel(r, chan->ioaddr + chan->reg); in savage4_gpio_setsda()
70 readl(chan->ioaddr + chan->reg); /* flush posted write */ in savage4_gpio_setsda()
[all …]
/openbmc/linux/drivers/dma/
H A Ddmaengine.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved.
7 * This code implements the DMA subsystem. It provides a HW-neutral interface
29 * See Documentation/driver-api/dmaengine for more details
35 #include <linux/dma-mapping.h>
63 /* --- debugfs implementation --- */
71 dma_dev->dbg_dev_root = debugfs_create_dir(dev_name(dma_dev->dev), in dmaengine_debug_register()
73 if (IS_ERR(dma_dev->dbg_dev_root)) in dmaengine_debug_register()
74 dma_dev->dbg_dev_root = NULL; in dmaengine_debug_register()
79 debugfs_remove_recursive(dma_dev->dbg_dev_root); in dmaengine_debug_unregister()
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H A Dtxx9dmac.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/dma-mapping.h>
19 static struct txx9dmac_chan *to_txx9dmac_chan(struct dma_chan *chan) in to_txx9dmac_chan() argument
21 return container_of(chan, struct txx9dmac_chan, chan); in to_txx9dmac_chan()
26 return dc->ch_regs; in __dma_regs()
32 return dc->ch_regs; in __dma_regs32()
35 #define channel64_readq(dc, name) \ argument
36 __raw_readq(&(__dma_regs(dc)->name))
37 #define channel64_writeq(dc, name, val) \ argument
38 __raw_writeq((val), &(__dma_regs(dc)->name))
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H A Dof-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
24 * of_dma_find_controller - Get a DMA controller in DT DMA helpers list
37 if (ofdma->of_node == dma_spec->np) in of_dma_find_controller()
41 dma_spec->np); in of_dma_find_controller()
47 * of_dma_router_xlate - translation function for router devices
58 struct dma_chan *chan; in of_dma_router_xlate() local
65 route_data = ofdma->of_dma_route_allocate(&dma_spec_target, ofdma); in of_dma_router_xlate()
71 ofdma->dma_router->route_free(ofdma->dma_router->dev, in of_dma_router_xlate()
73 chan = ERR_PTR(-EPROBE_DEFER); in of_dma_router_xlate()
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/openbmc/linux/drivers/mailbox/
H A Dmailbox-sti.c1 // SPDX-License-Identifier: GPL-2.0-or-later
36 #define MBOX_BASE(mdev, inst) ((mdev)->base + ((inst) * 4))
39 * struct sti_mbox_device - STi Mailbox device data
44 * @name: Name of the mailbox
57 const char *name; member
63 * struct sti_mbox_pdata - STi Mailbox platform specific configuration
74 * struct sti_channel - STi Mailbox allocated channel information
86 static inline bool sti_mbox_channel_is_enabled(struct mbox_chan *chan) in sti_mbox_channel_is_enabled() argument
88 struct sti_channel *chan_info = chan->con_priv; in sti_mbox_channel_is_enabled()
89 struct sti_mbox_device *mdev = chan_info->mdev; in sti_mbox_channel_is_enabled()
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/openbmc/linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/
H A Dchan.c24 #include "chan.h"
42 nvkm_chan_cctx_bind(struct nvkm_chan *chan, struct nvkm_engn *engn, struct nvkm_cctx *cctx) in nvkm_chan_cctx_bind() argument
44 struct nvkm_cgrp *cgrp = chan->cgrp; in nvkm_chan_cctx_bind()
45 struct nvkm_runl *runl = cgrp->runl; in nvkm_chan_cctx_bind()
46 struct nvkm_engine *engine = engn->engine; in nvkm_chan_cctx_bind()
48 if (!engn->func->bind) in nvkm_chan_cctx_bind()
51 CHAN_TRACE(chan, "%sbind cctx %d[%s]", cctx ? "" : "un", engn->id, engine->subdev.name); in nvkm_chan_cctx_bind()
56 if (cgrp->hw) in nvkm_chan_cctx_bind()
59 nvkm_chan_block(chan); in nvkm_chan_cctx_bind()
60 nvkm_chan_preempt(chan, true); in nvkm_chan_cctx_bind()
[all …]
/openbmc/linux/arch/sh/drivers/pci/
H A Dpcie-sh7786.c1 // SPDX-License-Identifier: GPL-2.0
3 * Low-Level PCI Express Support for the SH7786
5 * Copyright (C) 2009 - 2011 Paul Mundt
15 #include <linux/dma-map-ops.h>
21 #include "pcie-sh7786.h"
44 .name = "PCIe0 MEM 0",
46 .end = 0xfd000000 + SZ_8M - 1,
49 .name = "PCIe0 MEM 1",
51 .end = 0xc0000000 + SZ_512M - 1,
54 .name = "PCIe0 MEM 2",
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/openbmc/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_chan.c44 nouveau_channel_kill(struct nouveau_channel *chan) in nouveau_channel_kill() argument
46 atomic_set(&chan->killed, 1); in nouveau_channel_kill()
47 if (chan->fence) in nouveau_channel_kill()
48 nouveau_fence_context_kill(chan->fence, -ENODEV); in nouveau_channel_kill()
54 struct nouveau_channel *chan = container_of(event, typeof(*chan), kill); in nouveau_channel_killed() local
55 struct nouveau_cli *cli = chan->cli; in nouveau_channel_killed()
57 NV_PRINTK(warn, cli, "channel %d killed!\n", chan->chid); in nouveau_channel_killed()
59 if (unlikely(!atomic_read(&chan->killed))) in nouveau_channel_killed()
60 nouveau_channel_kill(chan); in nouveau_channel_killed()
66 nouveau_channel_idle(struct nouveau_channel *chan) in nouveau_channel_idle() argument
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/openbmc/linux/drivers/video/fbdev/intelfb/
H A Dintelfb_i2c.c20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
35 #include <linux/i2c-algo-bit.h>
56 struct intelfb_i2c_chan *chan = data; in intelfb_gpio_setscl() local
57 struct intelfb_info *dinfo = chan->dinfo; in intelfb_gpio_setscl()
60 OUTREG(chan->reg, (state ? SCL_VAL_OUT : 0) | in intelfb_gpio_setscl()
62 val = INREG(chan->reg); in intelfb_gpio_setscl()
67 struct intelfb_i2c_chan *chan = data; in intelfb_gpio_setsda() local
68 struct intelfb_info *dinfo = chan->dinfo; in intelfb_gpio_setsda()
71 OUTREG(chan->reg, (state ? SDA_VAL_OUT : 0) | in intelfb_gpio_setsda()
73 val = INREG(chan->reg); in intelfb_gpio_setsda()
[all …]
/openbmc/linux/drivers/media/pci/cx25821/
H A Dcx25821-video.c1 // SPDX-License-Identifier: GPL-2.0-or-later
14 #include "cx25821-video.h"
20 static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
66 cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma); in cx25821_start_video_dma()
69 cx_write(channel->gpcnt_ctl, 3); in cx25821_start_video_dma()
72 cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i)); in cx25821_start_video_dma()
73 cx_set(channel->int_msk, 0x11); in cx25821_start_video_dma()
76 cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */ in cx25821_start_video_dma()
89 const struct sram_channel *channel = dev->channels[chan_num].sram_channels; in cx25821_video_irq()
91 mask = cx_read(channel->int_msk); in cx25821_video_irq()
[all …]
/openbmc/linux/drivers/iio/multiplexer/
H A Diio-mux.c1 // SPDX-License-Identifier: GPL-2.0
34 struct iio_chan_spec *chan; member
42 struct mux_child *child = &mux->child[idx]; in iio_mux_select()
43 struct iio_chan_spec const *chan = &mux->chan[idx]; in iio_mux_select() local
47 ret = mux_control_select_delay(mux->control, chan->channel, in iio_mux_select()
48 mux->delay_us); in iio_mux_select()
50 mux->cached_state = -1; in iio_mux_select()
54 if (mux->cached_state == chan->channel) in iio_mux_select()
57 if (chan->ext_info) { in iio_mux_select()
58 for (i = 0; chan->ext_info[i].name; ++i) { in iio_mux_select()
[all …]
/openbmc/linux/drivers/staging/media/tegra-video/
H A Dvi.c1 // SPDX-License-Identifier: GPL-2.0-only
21 #include <media/v4l2-dv-timings.h>
22 #include <media/v4l2-event.h>
23 #include <media/v4l2-fh.h>
24 #include <media/v4l2-fwnode.h>
25 #include <media/v4l2-ioctl.h>
26 #include <media/videobuf2-dma-contig.h>
36 * struct tegra_vi_graph_entity - Entity in the video graph
72 for (i = offset; i < vi->soc->nformats; ++i) { in tegra_get_format_idx_by_code()
73 if (vi->soc->video_formats[i].code == code) in tegra_get_format_idx_by_code()
[all …]
/openbmc/linux/arch/sh/drivers/dma/
H A Ddma-api.c1 // SPDX-License-Identifier: GPL-2.0
3 * arch/sh/drivers/dma/dma-api.c
5 * SuperH-specific DMA management API
24 struct dma_info *get_dma_info(unsigned int chan) in get_dma_info() argument
33 if ((chan < info->first_vchannel_nr) || in get_dma_info()
34 (chan >= info->first_vchannel_nr + info->nr_channels)) in get_dma_info()
49 if (dmac_name && (strcmp(dmac_name, info->name) != 0)) in get_dma_info_by_name()
68 nr += info->nr_channels; in get_nr_channels()
73 struct dma_channel *get_dma_channel(unsigned int chan) in get_dma_channel() argument
75 struct dma_info *info = get_dma_info(chan); in get_dma_channel()
[all …]
/openbmc/linux/sound/soc/
H A Dsoc-generic-dmaengine-pcm.c1 // SPDX-License-Identifier: GPL-2.0+
4 // Author: Lars-Peter Clausen <lars@metafoo.de>
13 #include <linux/dma-mapping.h>
31 if (!pcm->chan[substream->stream]) in dmaengine_dma_dev()
34 return pcm->chan[substream->stream]->device->dev; in dmaengine_dma_dev()
38 * snd_dmaengine_pcm_prepare_slave_config() - Generic prepare_slave_config callback
57 if (rtd->dai_link->num_cpus > 1) { in snd_dmaengine_pcm_prepare_slave_config()
58 dev_err(rtd->dev, in snd_dmaengine_pcm_prepare_slave_config()
60 return -EINVAL; in snd_dmaengine_pcm_prepare_slave_config()
81 struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); in dmaengine_pcm_hw_params() local
[all …]

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