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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/mux/
Dmux-controller.txt4 A multiplexer (or mux) controller will have one, or several, consumer devices
5 that uses the mux controller. Thus, a mux controller can possibly control
7 multiplexer needed by each consumer, but a single mux controller can of course
10 A mux controller provides a number of states to its consumers, and the state
11 space is a simple zero-based enumeration. I.e. 0-1 for a 2-way multiplexer,
12 0-7 for an 8-way multiplexer, etc.
16 ---------
18 Mux controller consumers should specify a list of mux controllers that they
19 want to use with a property containing a 'mux-ctrl-list':
21 mux-ctrl-list ::= <single-mux-ctrl> [mux-ctrl-list]
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/mux/
Dmux-consumer.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mux/mux-consumer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Rosin <peda@axentia.se>
13 Mux controller consumers should specify a list of mux controllers that they
14 want to use with a property containing a 'mux-ctrl-list':
16 mux-ctrl-list ::= <single-mux-ctrl> [mux-ctrl-list]
17 single-mux-ctrl ::= <mux-ctrl-phandle> [mux-ctrl-specifier]
18 mux-ctrl-phandle : phandle to mux controller node
[all …]
Dmux-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mux/mux-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Rosin <peda@axentia.se>
13 A multiplexer (or mux) controller will have one, or several, consumer devices
14 that uses the mux controller. Thus, a mux controller can possibly control
16 multiplexer needed by each consumer, but a single mux controller can of course
19 A mux controller provides a number of states to its consumers, and the state
20 space is a simple zero-based enumeration. I.e. 0-1 for a 2-way multiplexer,
[all …]
/kernel/linux/linux-5.10/drivers/clk/mediatek/
Dclk-mux.c1 // SPDX-License-Identifier: GPL-2.0
12 #include "clk-mtk.h"
13 #include "clk-mux.h"
22 struct mtk_clk_mux *mux = to_mtk_clk_mux(hw); in mtk_clk_mux_enable() local
23 u32 mask = BIT(mux->data->gate_shift); in mtk_clk_mux_enable()
25 return regmap_update_bits(mux->regmap, mux->data->mux_ofs, in mtk_clk_mux_enable()
31 struct mtk_clk_mux *mux = to_mtk_clk_mux(hw); in mtk_clk_mux_disable() local
32 u32 mask = BIT(mux->data->gate_shift); in mtk_clk_mux_disable()
34 regmap_update_bits(mux->regmap, mux->data->mux_ofs, mask, mask); in mtk_clk_mux_disable()
39 struct mtk_clk_mux *mux = to_mtk_clk_mux(hw); in mtk_clk_mux_enable_setclr() local
[all …]
/kernel/linux/linux-6.6/drivers/mux/
Dcore.c1 // SPDX-License-Identifier: GPL-2.0
10 #define pr_fmt(fmt) "mux-core: " fmt
19 #include <linux/mux/consumer.h>
20 #include <linux/mux/driver.h>
25 * The idle-as-is "state" is not an actual state that may be selected, it
32 * struct mux_state - Represents a mux controller state specific to a given
34 * @mux: Pointer to a mux controller.
35 * @state: State of the mux to be selected.
41 struct mux_control *mux; member
46 .name = "mux",
[all …]
/kernel/liteos_a/testsuites/kernel/sample/kernel_base/ipc/
DBUILD.gn1 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
2 # Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
32 sources = [ "mux/It_los_mux.c" ]
35 "mux/full/It_los_mutex_006.c",
36 "mux/full/It_los_mutex_007.c",
37 "mux/full/It_los_mutex_008.c",
38 "mux/full/It_los_mutex_009.c",
39 "mux/full/It_los_mutex_010.c",
40 "mux/full/It_los_mutex_011.c",
41 "mux/full/It_los_mutex_012.c",
[all …]
/kernel/linux/linux-6.6/drivers/clk/ti/
Dmux.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Tero Kristo <t-kristo@ti.com>
10 #include <linux/clk-provider.h>
23 struct clk_omap_mux *mux = to_clk_omap_mux(hw); in ti_clk_mux_get_parent() local
28 * FIXME need a mux-specific flag to determine if val is bitwise or in ti_clk_mux_get_parent()
34 val = ti_clk_ll_ops->clk_readl(&mux->reg) >> mux->shift; in ti_clk_mux_get_parent()
35 val &= mux->mask; in ti_clk_mux_get_parent()
37 if (mux->table) { in ti_clk_mux_get_parent()
41 if (mux->table[i] == val) in ti_clk_mux_get_parent()
43 return -EINVAL; in ti_clk_mux_get_parent()
[all …]
/kernel/linux/linux-6.6/drivers/clk/mediatek/
Dclk-mux.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/clk-provider.h>
18 #include "clk-mux.h"
35 struct mtk_clk_mux *mux = to_mtk_clk_mux(hw); in mtk_clk_mux_enable_setclr() local
38 if (mux->lock) in mtk_clk_mux_enable_setclr()
39 spin_lock_irqsave(mux->lock, flags); in mtk_clk_mux_enable_setclr()
41 __acquire(mux->lock); in mtk_clk_mux_enable_setclr()
43 regmap_write(mux->regmap, mux->data->clr_ofs, in mtk_clk_mux_enable_setclr()
44 BIT(mux->data->gate_shift)); in mtk_clk_mux_enable_setclr()
48 * not be effective yet. Set the update bit to ensure the mux gets in mtk_clk_mux_enable_setclr()
[all …]
/kernel/linux/linux-6.6/drivers/iio/multiplexer/
Diio-mux.c1 // SPDX-License-Identifier: GPL-2.0
16 #include <linux/mux/consumer.h>
29 struct mux { struct
40 static int iio_mux_select(struct mux *mux, int idx) in iio_mux_select() argument
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()
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()
[all …]
/kernel/linux/linux-5.10/drivers/i2c/muxes/
Di2c-mux-reg.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 #include <linux/i2c-mux.h>
15 #include <linux/platform_data/i2c-mux-reg.h>
23 static int i2c_mux_reg_set(const struct regmux *mux, unsigned int chan_id) in i2c_mux_reg_set() argument
25 if (!mux->data.reg) in i2c_mux_reg_set()
26 return -EINVAL; in i2c_mux_reg_set()
34 switch (mux->data.reg_size) { in i2c_mux_reg_set()
36 if (mux->data.little_endian) in i2c_mux_reg_set()
37 iowrite32(chan_id, mux->data.reg); in i2c_mux_reg_set()
39 iowrite32be(chan_id, mux->data.reg); in i2c_mux_reg_set()
[all …]
Di2c-mux-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/i2c-mux.h>
10 #include <linux/platform_data/i2c-mux-gpio.h>
25 static void i2c_mux_gpio_set(const struct gpiomux *mux, unsigned val) in i2c_mux_gpio_set() argument
31 gpiod_set_array_value_cansleep(mux->ngpios, mux->gpios, NULL, values); in i2c_mux_gpio_set()
36 struct gpiomux *mux = i2c_mux_priv(muxc); in i2c_mux_gpio_select() local
38 i2c_mux_gpio_set(mux, chan); in i2c_mux_gpio_select()
45 struct gpiomux *mux = i2c_mux_priv(muxc); in i2c_mux_gpio_deselect() local
47 i2c_mux_gpio_set(mux, mux->data.idle); in i2c_mux_gpio_deselect()
53 static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, in i2c_mux_gpio_probe_dt() argument
[all …]
/kernel/linux/linux-6.6/drivers/i2c/muxes/
Di2c-mux-reg.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 #include <linux/i2c-mux.h>
15 #include <linux/platform_data/i2c-mux-reg.h>
23 static int i2c_mux_reg_set(const struct regmux *mux, unsigned int chan_id) in i2c_mux_reg_set() argument
25 if (!mux->data.reg) in i2c_mux_reg_set()
26 return -EINVAL; in i2c_mux_reg_set()
34 switch (mux->data.reg_size) { in i2c_mux_reg_set()
36 if (mux->data.little_endian) in i2c_mux_reg_set()
37 iowrite32(chan_id, mux->data.reg); in i2c_mux_reg_set()
39 iowrite32be(chan_id, mux->data.reg); in i2c_mux_reg_set()
[all …]
Di2c-mux-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/i2c-mux.h>
11 #include <linux/platform_data/i2c-mux-gpio.h>
26 static void i2c_mux_gpio_set(const struct gpiomux *mux, unsigned val) in i2c_mux_gpio_set() argument
32 gpiod_set_array_value_cansleep(mux->ngpios, mux->gpios, NULL, values); in i2c_mux_gpio_set()
37 struct gpiomux *mux = i2c_mux_priv(muxc); in i2c_mux_gpio_select() local
39 i2c_mux_gpio_set(mux, chan); in i2c_mux_gpio_select()
46 struct gpiomux *mux = i2c_mux_priv(muxc); in i2c_mux_gpio_deselect() local
48 i2c_mux_gpio_set(mux, mux->data.idle); in i2c_mux_gpio_deselect()
53 static int i2c_mux_gpio_probe_fw(struct gpiomux *mux, in i2c_mux_gpio_probe_fw() argument
[all …]
/kernel/linux/linux-5.10/drivers/clk/ti/
Dmux.c6 * Tero Kristo <t-kristo@ti.com>
18 #include <linux/clk-provider.h>
31 struct clk_omap_mux *mux = to_clk_omap_mux(hw); in ti_clk_mux_get_parent() local
36 * FIXME need a mux-specific flag to determine if val is bitwise or in ti_clk_mux_get_parent()
42 val = ti_clk_ll_ops->clk_readl(&mux->reg) >> mux->shift; in ti_clk_mux_get_parent()
43 val &= mux->mask; in ti_clk_mux_get_parent()
45 if (mux->table) { in ti_clk_mux_get_parent()
49 if (mux->table[i] == val) in ti_clk_mux_get_parent()
51 return -EINVAL; in ti_clk_mux_get_parent()
54 if (val && (mux->flags & CLK_MUX_INDEX_BIT)) in ti_clk_mux_get_parent()
[all …]
/kernel/linux/linux-5.10/drivers/mux/
Dcore.c1 // SPDX-License-Identifier: GPL-2.0
10 #define pr_fmt(fmt) "mux-core: " fmt
18 #include <linux/mux/consumer.h>
19 #include <linux/mux/driver.h>
25 * The idle-as-is "state" is not an actual state that may be selected, it
32 .name = "mux",
54 ida_simple_remove(&mux_ida, mux_chip->id); in mux_chip_release()
59 .name = "mux-chip",
64 * mux_chip_alloc() - Allocate a mux-chip.
65 * @dev: The parent device implementing the mux interface.
[all …]
/kernel/linux/linux-5.10/drivers/iio/multiplexer/
Diio-mux.c1 // SPDX-License-Identifier: GPL-2.0
15 #include <linux/mux/consumer.h>
28 struct mux { struct
38 static int iio_mux_select(struct mux *mux, int idx) in iio_mux_select() argument
40 struct mux_child *child = &mux->child[idx]; in iio_mux_select()
41 struct iio_chan_spec const *chan = &mux->chan[idx]; in iio_mux_select()
45 ret = mux_control_select(mux->control, chan->channel); in iio_mux_select()
47 mux->cached_state = -1; in iio_mux_select()
51 if (mux->cached_state == chan->channel) in iio_mux_select()
54 if (chan->ext_info) { in iio_mux_select()
[all …]
/kernel/linux/linux-6.6/drivers/gpu/drm/amd/amdgpu/
Damdgpu_ring_mux.c43 static inline struct amdgpu_mux_entry *amdgpu_ring_mux_sw_entry(struct amdgpu_ring_mux *mux, in amdgpu_ring_mux_sw_entry() argument
46 return ring->entry_index < mux->ring_entry_size ? in amdgpu_ring_mux_sw_entry()
47 &mux->ring_entry[ring->entry_index] : NULL; in amdgpu_ring_mux_sw_entry()
51 static void amdgpu_ring_mux_copy_pkt_from_sw_ring(struct amdgpu_ring_mux *mux, in amdgpu_ring_mux_copy_pkt_from_sw_ring() argument
56 struct amdgpu_ring *real_ring = mux->real_ring; in amdgpu_ring_mux_copy_pkt_from_sw_ring()
58 start = s_start & ring->buf_mask; in amdgpu_ring_mux_copy_pkt_from_sw_ring()
59 end = s_end & ring->buf_mask; in amdgpu_ring_mux_copy_pkt_from_sw_ring()
66 amdgpu_ring_alloc(real_ring, (ring->ring_size >> 2) + end - start); in amdgpu_ring_mux_copy_pkt_from_sw_ring()
67 amdgpu_ring_write_multiple(real_ring, (void *)&ring->ring[start], in amdgpu_ring_mux_copy_pkt_from_sw_ring()
68 (ring->ring_size >> 2) - start); in amdgpu_ring_mux_copy_pkt_from_sw_ring()
[all …]
/kernel/linux/linux-6.6/sound/soc/codecs/
Dtas5086.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * - implement DAPM and input muxing
9 * - implement modulation limit
10 * - implement non-default PWM start
13 * because the registers are of unequal size, and multi-byte registers
18 * it doesn't matter because the entire map can be accessed as 8-bit
21 * routines have to be open-coded.
71 #define TAS5086_CHANNEL_VOL(X) (0x08 + (X)) /* Channel 1-6 volume */
89 * Default TAS5086 power-up configuration
173 size = tas5086_register_size(&client->dev, reg); in tas5086_reg_write()
[all …]
Drt5665.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * rt5665.c -- RT5665/RT5658 ALSA SoC audio codec driver
26 #include <sound/soc-dapm.h>
884 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -2250, 150, 0);
885 static const DECLARE_TLV_DB_SCALE(mono_vol_tlv, -1400, 150, 0);
886 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0);
887 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0);
888 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0);
889 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
891 static const DECLARE_TLV_DB_SCALE(in_bst_tlv, -1200, 75, 0);
[all …]
/kernel/linux/linux-5.10/sound/soc/codecs/
Dtas5086.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * - implement DAPM and input muxing
9 * - implement modulation limit
10 * - implement non-default PWM start
13 * because the registers are of unequal size, and multi-byte registers
18 * it doesn't matter because the entire map can be accessed as 8-bit
21 * routines have to be open-coded.
71 #define TAS5086_CHANNEL_VOL(X) (0x08 + (X)) /* Channel 1-6 volume */
89 * Default TAS5086 power-up configuration
173 size = tas5086_register_size(&client->dev, reg); in tas5086_reg_write()
[all …]
Drt5665.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * rt5665.c -- RT5665/RT5658 ALSA SoC audio codec driver
27 #include <sound/soc-dapm.h>
888 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -2250, 150, 0);
889 static const DECLARE_TLV_DB_SCALE(mono_vol_tlv, -1400, 150, 0);
890 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0);
891 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0);
892 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0);
893 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
895 static const DECLARE_TLV_DB_SCALE(in_bst_tlv, -1200, 75, 0);
[all …]
/kernel/linux/linux-5.10/drivers/clk/
Dclk-mux.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2011-2012 Mike Turquette, Linaro Ltd <mturquette@linaro.org>
10 #include <linux/clk-provider.h>
20 * prepare - clk_prepare only ensures that parents are prepared
21 * enable - clk_enable only ensures that parents are enabled
22 * rate - rate is only affected by parent switching. No clk_set_rate support
23 * parent - parent is adjustable through clk_set_parent
26 static inline u32 clk_mux_readl(struct clk_mux *mux) in clk_mux_readl() argument
28 if (mux->flags & CLK_MUX_BIG_ENDIAN) in clk_mux_readl()
29 return ioread32be(mux->reg); in clk_mux_readl()
[all …]
/kernel/linux/linux-6.6/include/linux/mux/
Ddriver.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * mux/driver.h - definitions for the multiplexer driver interface
13 #include <dt-bindings/mux/mux.h>
22 * struct mux_control_ops - Mux controller operations for a mux chip.
23 * @set: Set the state of the given mux controller.
26 int (*set)(struct mux_control *mux, int state);
30 * struct mux_control - Represents a mux controller.
31 * @lock: Protects the mux controller state.
32 * @chip: The mux chip that is handling this mux controller.
33 * @cached_state: The current mux controller state, or -1 if none.
[all …]
/kernel/linux/linux-5.10/include/linux/mux/
Ddriver.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * mux/driver.h - definitions for the multiplexer driver interface
13 #include <dt-bindings/mux/mux.h>
21 * struct mux_control_ops - Mux controller operations for a mux chip.
22 * @set: Set the state of the given mux controller.
25 int (*set)(struct mux_control *mux, int state);
29 * struct mux_control - Represents a mux controller.
30 * @lock: Protects the mux controller state.
31 * @chip: The mux chip that is handling this mux controller.
32 * @cached_state: The current mux controller state, or -1 if none.
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/net/
Dmdio-mux-multiplexer.txt3 This is a special case of MDIO mux when MDIO mux is defined as a consumer
4 of a mux producer device. The mux producer can be of any type like mmio mux
5 producer, gpio mux producer or generic register based mux producer.
9 - compatible : should be "mmio-mux-multiplexer"
10 - mux-controls : mux controller node to use for operating the mux
11 - mdio-parent-bus : phandle to the parent MDIO bus.
17 Documentation/devicetree/bindings/mux/mux-controller.txt
18 and Documentation/devicetree/bindings/net/mdio-mux.txt
21 In below example the Mux producer and consumer are separate nodes.
25 compatible = "fsl,lx2160aqds-fpga", "fsl,fpga-qixis-i2c",
[all …]

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