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/Linux-v6.1/drivers/gpu/drm/nouveau/nvkm/engine/disp/
Ddp.c32 #include <subdev/i2c.h>
40 #define AMPERE_IED_HACK(disp) ((disp)->engine.subdev.device->card_type >= GA100)
56 nvkm_dp_train_sense(struct lt_state *lt, bool pc, u32 delay) in nvkm_dp_train_sense() argument
58 struct nvkm_outp *outp = lt->outp; in nvkm_dp_train_sense()
64 if (lt->repeater) in nvkm_dp_train_sense()
65 addr = DPCD_LTTPR_LANE0_1_STATUS(lt->repeater); in nvkm_dp_train_sense()
69 ret = nvkm_rdaux(outp->dp.aux, addr, &lt->stat[0], 3); in nvkm_dp_train_sense()
73 if (lt->repeater) in nvkm_dp_train_sense()
74 addr = DPCD_LTTPR_LANE0_1_ADJUST(lt->repeater); in nvkm_dp_train_sense()
78 ret = nvkm_rdaux(outp->dp.aux, addr, &lt->stat[4], 2); in nvkm_dp_train_sense()
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/Linux-v6.1/drivers/gpu/drm/bridge/
Dlontium-lt8912b.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/i2c.h>
10 #include <linux/media-bus-format.h>
51 static int lt8912_write_init_config(struct lt8912 *lt) in lt8912_write_init_config() argument
88 return regmap_multi_reg_write(lt->regmap[I2C_MAIN], seq, ARRAY_SIZE(seq)); in lt8912_write_init_config()
91 static int lt8912_write_mipi_basic_config(struct lt8912 *lt) in lt8912_write_mipi_basic_config() argument
101 return regmap_multi_reg_write(lt->regmap[I2C_CEC_DSI], seq, ARRAY_SIZE(seq)); in lt8912_write_mipi_basic_config()
104 static int lt8912_write_dds_config(struct lt8912 *lt) in lt8912_write_dds_config() argument
154 return regmap_multi_reg_write(lt->regmap[I2C_CEC_DSI], seq, ARRAY_SIZE(seq)); in lt8912_write_dds_config()
157 static int lt8912_write_rxlogicres_config(struct lt8912 *lt) in lt8912_write_rxlogicres_config() argument
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Dlontium-lt9611.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2019-2020. Linaro Limited.
8 #include <linux/i2c.h>
10 #include <linux/media-bus-format.h>
17 #include <sound/hdmi-codec.h>
120 { 0x810b, 0xbf }, /* enable port A lprx */ in lt9611_mipi_input_analog()
123 { 0x8116, 0xbf }, /* enable port B lprx */ in lt9611_mipi_input_analog()
125 { 0x811c, 0x03 }, /* PortA clk lane no-LP mode */ in lt9611_mipi_input_analog()
126 { 0x8120, 0x03 }, /* PortB clk lane with-LP mode */ in lt9611_mipi_input_analog()
129 return regmap_multi_reg_write(lt9611->regmap, reg_cfg, ARRAY_SIZE(reg_cfg)); in lt9611_mipi_input_analog()
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/Linux-v6.1/drivers/media/tuners/
Dr820t.c1 // SPDX-License-Identifier: GPL-2.0
7 // that it is part of rtl-sdr git tree, released under GPLv2:
8 // https://groups.google.com/forum/#!topic/ultra-cheap-sdr/Y3rBEOFtHug
9 // https://github.com/n1gp/gr-baz
30 #include "tuner-i2c.h"
46 MODULE_PARM_DESC(debug, "enable verbose debug messages");
350 * I2C read/write code and shadow registers logic
355 int r = reg - REG_SHADOW_START; in shadow_store()
363 if (len > NUM_REGS - r) in shadow_store()
364 len = NUM_REGS - r; in shadow_store()
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/Linux-v6.1/drivers/rapidio/switches/
Didt_gen2.c1 // SPDX-License-Identifier: GPL-2.0-or-later
219 * This routine performs device-specific initialization only. in idtg2_em_init()
223 pr_debug("RIO: %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount); in idtg2_em_init()
225 /* Set Port-Write info CSR: PRIO=3 and CRF=1 */ in idtg2_em_init()
229 * Configure LT LAYER error reporting. in idtg2_em_init()
232 /* Enable standard (RIO.p8) error reporting */ in idtg2_em_init()
237 /* Use Port-Writes for LT layer error reporting. in idtg2_em_init()
238 * Enable per-port reset in idtg2_em_init()
255 /* Use Port-Writes for port error reporting and enable error logging */ in idtg2_em_init()
256 tmp = RIO_GET_TOTAL_PORTS(rdev->swpinfo); in idtg2_em_init()
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/Linux-v6.1/Documentation/devicetree/bindings/regulator/
Dnxp,pca9450-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/nxp,pca9450-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Robin Gong <yibin.gong@nxp.com>
18 https://www.nxp.com/docs/en/data-sheet/PCA9450DS.pdf
28 - nxp,pca9450a
29 - nxp,pca9450b
30 - nxp,pca9450c
44 "^LDO[1-5]$":
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/Linux-v6.1/drivers/power/supply/
Dbq25890_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #include <linux/i2c.h>
90 u8 ilim_en; /* enable ILIM pin */
262 * Most of the val -> idx conversions can be computed, given the minimum,
312 0, -10, -20, -30, -40, -60, -70, -80,
313 -90, -10, -120, -140, -150, -170, -190, -210,
331 struct bq25890_lookup lt; member
346 [TBL_TREG] = { .lt = {bq25890_treg_tbl, BQ25890_TREG_TBL_SIZE} },
347 [TBL_BOOSTI] = { .lt = {bq25890_boosti_tbl, BQ25890_BOOSTI_TBL_SIZE} },
348 [TBL_TSPCT] = { .lt = {bq25890_tspct_tbl, BQ25890_TSPCT_TBL_SIZE} }
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/Linux-v6.1/Documentation/devicetree/bindings/pinctrl/
Dmediatek,mt8188-pinctrl.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/mediatek,mt8188-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hui Liu <hui.liu@mediatek.com>
17 const: mediatek,mt8188-pinctrl
19 gpio-controller: true
21 '#gpio-cells':
25 parameters which are defined in <dt-bindings/gpio/gpio.h>.
28 gpio-ranges:
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/Linux-v6.1/drivers/video/fbdev/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
20 a well-defined interface, so the software doesn't need to know
21 anything about the low-level (hardware register) stuff.
27 On several non-X86 architectures, the frame buffer device is the
35 and the Framebuffer-HOWTO at
36 <http://www.munted.org.uk/programming/Framebuffer-HOWTO-1.3.html> for more
40 are compiling a kernel for a non-x86 architecture.
46 device-aware may cause unexpected results. If unsure, say N.
49 bool "Enable firmware EDID"
53 On the i386, this is from the Video BIOS. Enable this if DDC/I2C
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/Linux-v6.1/drivers/regulator/
Dpca9450-regulator.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/i2c.h>
56 .max_register = PCA9450_MAX_REGISTER - 1,
73 .enable = regulator_enable_regmap,
84 .enable = regulator_enable_regmap,
94 .enable = regulator_enable_regmap,
161 if (ret == -EINVAL) in buck_set_dvs()
166 for (i = 0; i < desc->n_voltages; i++) { in buck_set_dvs()
171 i <<= ffs(desc->vsel_mask) - 1; in buck_set_dvs()
181 /* Enable DVS control through PMIC_STBY_REQ for this BUCK */ in buck_set_dvs()
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/Linux-v6.1/drivers/i2c/busses/
Di2c-npcm7xx.c1 // SPDX-License-Identifier: GPL-2.0
3 * Nuvoton NPCM7xx I2C Controller driver
11 #include <linux/i2c.h>
30 * External I2C Interface driver xfer indication values, which indicate status
59 /* I2C Bank (module had 2 banks of registers) */
65 /* Internal I2C states values (for the I2C module state machine). */
93 /* init register and default value required to enable module */
142 #define NPCM_I2CTXF_CTL 0x12 /* Tx-FIFO Control */
145 #define NPCM_I2CTXF_STS 0x1A /* Tx-FIFO Status */
146 #define NPCM_I2CRXF_STS 0x1C /* Rx-FIFO Status */
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Di2c-imx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2002 Motorola GSG-China
9 * Implementation of I2C Adapter/Algorithm Driver
10 * for I2C Bus integrated in Freescale i.MX/MXC processors
12 * Derived from Motorola GSG China I2C example driver
17 * Copyright (C) 2008 Darius Augulis <darius.augulis at teltonika.lt>
28 #include <linux/dma-mapping.h>
34 #include <linux/i2c.h>
47 #include <linux/platform_data/i2c-imx.h>
54 #define DRIVER_NAME "imx-i2c"
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/Linux-v6.1/Documentation/sound/
Dalsa-configuration.rst2 Advanced Linux Sound Architecture - Driver Configuration guide
9 To enable ALSA support you need at least to build the kernel with
13 Enable "OSS API emulation" (``CONFIG_SND_OSSEMUL``) and both OSS mixer
17 SB Live! then you need to enable "Sequencer support"
20 To make ALSA debug messages more verbose, enable the "Verbose printk"
38 ----------
47 limiting card index for auto-loading (1-8);
49 For auto-loading more than one card, specify this option
50 together with snd-card-X aliases.
63 Module snd-pcm-oss
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/Linux-v6.1/drivers/media/dvb-frontends/
Ddib0090.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux-DVB Driver for DiBcom's DiB0090 base-band RF Tuner.
5 * Copyright (C) 2005-9 DiBcom (http://www.dibcom.fr/)
15 #include <linux/i2c.h>
90 #define MP008 0x6 /* Dual diversity VHF-UHF-LBAND */
91 #define MP009 0x7 /* Dual diversity 29098 CBAND-UHF-LBAND-SBAND */
124 struct i2c_adapter *i2c; member
135 s16 rf_gain_limit; /* take-over-point: where to split between bb and rf gain */
149 /* for the captrim/dc-offset search */
180 /* for the I2C transfer */
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/Linux-v6.1/drivers/media/pci/bt8xx/
Dbttv-cards.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 bttv-cards.c
6 this file has configuration information - card-specific stuff
9 Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
10 & Marcus Metzler (mocm@thp.uni-koeln.de)
11 (c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>
31 #include <media/v4l2-common.h>
32 #include <media/i2c/tvaudio.h>
33 #include "bttv-audio-hook.h"
84 int no_overlay=-1;
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/Linux-v6.1/sound/pci/ice1712/
Daureon.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 * - we reuse the struct snd_akm4xxx record for storing the wm8770 codec data.
16 * - DAC digital volumes are not implemented in the mixer.
58 #define WM_DAC_ATTEN 0x00 /* DAC1-8 analog attenuation */
60 #define WM_DAC_DIG_ATTEN 0x09 /* DAC1-8 digital attenuation */
65 #define WM_DAC_CTRL2 0x15 /* de-emphasis and zefo-flag */
68 #define WM_POWERDOWN 0x18 /* power-down controls */
84 #define PCA9554_DEV 0x40 /* I2C device address */
119 * send i2c stop condition and start condition in aureon_pca9554_write()
150 for (i = 7; i >= 0; i--) { in aureon_pca9554_write()
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