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/linux-6.8/tools/testing/selftests/gpio/
Dgpio-sim.sh2 # SPDX-License-Identifier: GPL-2.0
6 CONFIGFS_DIR="/sys/kernel/config/gpio-sim"
7 MODULE="gpio-sim"
22 local CHIP=$1
24 for FILE in $CONFIGFS_DIR/$CHIP/*; do
26 if [ "$BANK" = "live" -o "$BANK" = "dev_name" ]; then
30 LINES=`ls $CONFIGFS_DIR/$CHIP/$BANK/ | grep -E ^line`
33 if [ -e $CONFIGFS_DIR/$CHIP/$BANK/$LINE/hog ]; then
34 rmdir $CONFIGFS_DIR/$CHIP/$BANK/$LINE/hog || \
35 fail "Unable to remove the hog"
[all …]
/linux-6.8/drivers/mtd/nand/raw/
Dnand_legacy.c1 // SPDX-License-Identifier: GPL-2.0
4 * 2002-2006 Thomas Gleixner (tglx@linutronix.de)
23 * nand_read_byte - [DEFAULT] read one byte from the chip
24 * @chip: NAND chip object
28 static uint8_t nand_read_byte(struct nand_chip *chip) in nand_read_byte() argument
30 return readb(chip->legacy.IO_ADDR_R); in nand_read_byte()
34 * nand_read_byte16 - [DEFAULT] read one byte endianness aware from the chip
35 * @chip: NAND chip object
40 static uint8_t nand_read_byte16(struct nand_chip *chip) in nand_read_byte16() argument
42 return (uint8_t) cpu_to_le16(readw(chip->legacy.IO_ADDR_R)); in nand_read_byte16()
[all …]
Dnand_base.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * http://www.linux-mtd.infradead.org/doc/nand.html
11 * 2002-2006 Thomas Gleixner (tglx@linutronix.de)
21 * Check, if mtd->ecctype should be set to MTD_ECC_HW
23 * BBT table is not serialized, has to be fixed
38 #include <linux/mtd/nand-ecc-sw-hamming.h>
39 #include <linux/mtd/nand-ecc-sw-bch.h>
52 int lastpage = (mtd->erasesize / mtd->writesize) - 1; in nand_pairing_dist3_get_info()
59 info->group = 0; in nand_pairing_dist3_get_info()
60 info->pair = (page + 1) / 2; in nand_pairing_dist3_get_info()
[all …]
/linux-6.8/drivers/char/tpm/
Dtpm-chip.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
15 * TPM chip management routines.
40 static int tpm_request_locality(struct tpm_chip *chip) in tpm_request_locality() argument
44 if (!chip->ops->request_locality) in tpm_request_locality()
47 rc = chip->ops->request_locality(chip, 0); in tpm_request_locality()
51 chip->locality = rc; in tpm_request_locality()
55 static void tpm_relinquish_locality(struct tpm_chip *chip) in tpm_relinquish_locality() argument
59 if (!chip->ops->relinquish_locality) in tpm_relinquish_locality()
62 rc = chip->ops->relinquish_locality(chip, chip->locality); in tpm_relinquish_locality()
[all …]
Dtpm-interface.c1 // SPDX-License-Identifier: GPL-2.0-only
12 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
17 * Note, the TPM chip is not interrupt driven (only polling)
19 * calls to msleep.
33 * Bug workaround - some TPM's don't flush the most
35 * with an extend to the selected _unused_ non-volatile pcr.
40 "PCR to use for dummy writes to facilitate flush on suspend.");
43 * tpm_calc_ordinal_duration() - calculate the maximum command duration
44 * @chip: TPM chip to use.
47 * The function returns the maximum amount of time the chip could take
[all …]
Dtpm_tis_i2c_cr50.c1 // SPDX-License-Identifier: GPL-2.0
10 * - Use an interrupt for transaction status instead of hardcoded delays.
11 * - Must use write+wait+read read protocol.
12 * - All 4 bytes of status register must be read/written at once.
13 * - Burst count max is 63 bytes, and burst count behaves slightly differently
15 * - When reading from FIFO the full burstcnt must be read instead of just
35 #define TPM_CR50_I2C_MAX_RETRIES 3 /* Max retries due to I2C errors */
45 * struct tpm_i2c_cr50_priv_data - Driver private data.
46 * @irq: Irq number used for this chip.
48 * @tpm_ready: Struct used by irq handler to signal R/W readiness.
[all …]
/linux-6.8/sound/pci/echoaudio/
Dechoaudio_dsp.c3 Copyright Echo Digital Audio Corporation (c) 1998 - 2004
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 MA 02111-1307, USA.
26 Translation from C++ and adaptation for use in ALSA-Driver
35 static int restore_dsp_rettings(struct echoaudio *chip);
38 /* Some vector commands involve the DSP reading or writing data to and from the
39 comm page; if you send one of these commands to the DSP, it will complete the
40 command and then write a non-zero value to the Handshake field in the
41 comm page. This function waits for the handshake to show up. */
[all …]
Dechoaudio_3g.c3 Copyright Echo Digital Audio Corporation (c) 1998 - 2004
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 MA 02111-1307, USA.
26 Translation from C++ and adaptation for use in ALSA-Driver
36 static int check_asic_status(struct echoaudio *chip) in check_asic_status() argument
40 if (wait_handshake(chip)) in check_asic_status()
41 return -EIO; in check_asic_status()
43 chip->comm_page->ext_box_status = cpu_to_le32(E3G_ASIC_NOT_LOADED); in check_asic_status()
44 chip->asic_loaded = false; in check_asic_status()
[all …]
Dlayla24_dsp.c3 Copyright Echo Digital Audio Corporation (c) 1998 - 2004
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21 MA 02111-1307, USA.
25 Translation from C++ and adaptation for use in ALSA-Driver
31 static int write_control_reg(struct echoaudio *chip, u32 value, char force);
32 static int set_input_clock(struct echoaudio *chip, u16 clock);
33 static int set_professional_spdif(struct echoaudio *chip, char prof);
34 static int set_digital_mode(struct echoaudio *chip, u8 mode);
35 static int load_asic_generic(struct echoaudio *chip, u32 cmd, short asic);
[all …]
/linux-6.8/drivers/gpio/
Dgpio-xilinx.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2008 - 2013 Xilinx, Inc.
35 /* Read/Write access to the GPIO registers */
45 * struct xgpio_instance - Stores information about GPIO device
46 * @gc: GPIO chip
76 static inline int xgpio_from_bit(struct xgpio_instance *chip, int bit) in xgpio_from_bit() argument
78 return bitmap_bitremap(bit, chip->hw_map, chip->sw_map, 64); in xgpio_from_bit()
81 static inline int xgpio_to_bit(struct xgpio_instance *chip, int gpio) in xgpio_to_bit() argument
83 return bitmap_bitremap(gpio, chip->sw_map, chip->hw_map, 64); in xgpio_to_bit()
103 static inline int xgpio_regoffset(struct xgpio_instance *chip, int ch) in xgpio_regoffset() argument
[all …]
Dgpio-pch.c1 // SPDX-License-Identifier: GPL-2.0
47 OKISEMI_ML7223m_IOH, /* LAPIS Semiconductor ML7223 IOH PCIe Bus-m */
48 OKISEMI_ML7223n_IOH /* LAPIS Semiconductor ML7223 IOH PCIe Bus-n */
59 * struct pch_gpio_reg_data - The register store data.
60 * @ien_reg: To store contents of IEN register.
61 * @imask_reg: To store contents of IMASK register.
62 * @po_reg: To store contents of PO register.
63 * @pm_reg: To store contents of PM register.
64 * @im0_reg: To store contents of IM0 register.
65 * @im1_reg: To store contents of IM1 register.
[all …]
/linux-6.8/sound/pci/cs46xx/
Dcs46xx_lib.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Abramo Bagnara <abramo@alsa-project.org>
9 * - Sometimes the SPDIF input DSP tasks get's unsynchronized
11 * are swapped. To get around this problem when it happens, mute and unmute
13 * - On the Hercules Game Theater XP the amplifier are sometimes turned
17 * - Secondary CODEC on some soundcards
18 * - SPDIF input support for other sample rates then 48khz
19 * - Posibility to mix the SPDIF output with analog sources.
20 * - PCM channels for Center and LFE on secondary codec
24 * multi channel PCM. But known to work.
[all …]
/linux-6.8/sound/ppc/
Dpmac.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 #include <linux/dma-mapping.h>
37 * we will allocate a single 'emergency' dbdma cmd block to use if the
39 * clones, either owing to a bug in dbdma or some interaction between
50 static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *rec, int size) in snd_pmac_dbdma_alloc() argument
54 rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize, in snd_pmac_dbdma_alloc()
55 &rec->dma_base, GFP_KERNEL); in snd_pmac_dbdma_alloc()
56 if (rec->space == NULL) in snd_pmac_dbdma_alloc()
57 return -ENOMEM; in snd_pmac_dbdma_alloc()
58 rec->size = size; in snd_pmac_dbdma_alloc()
[all …]
/linux-6.8/drivers/staging/rts5208/
Drtsx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for Realtek PCI-Express card reader
5 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
22 MODULE_DESCRIPTION("Realtek PCI-Express card reader rts5208/rts5288 driver");
27 MODULE_PARM_DESC(delay_use, "seconds to delay before using a new device");
35 MODULE_PARM_DESC(ss_interval, "Interval to enter ss state in seconds");
57 return "SCSI emulation for PCI-Express Mass Storage devices"; in host_info()
63 * Set the INQUIRY transfer length to 36. We don't use any of in slave_alloc()
67 sdev->inquiry_len = 36; in slave_alloc()
74 * Scatter-gather buffers (all but the last) must have a length in slave_configure()
[all …]
Drtsx_card.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for Realtek PCI-Express card reader
5 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
23 void do_remaining_work(struct rtsx_chip *chip) in do_remaining_work() argument
25 struct sd_info *sd_card = &chip->sd_card; in do_remaining_work()
27 struct xd_info *xd_card = &chip->xd_card; in do_remaining_work()
29 struct ms_info *ms_card = &chip->ms_card; in do_remaining_work()
31 if (chip->card_ready & SD_CARD) { in do_remaining_work()
32 if (sd_card->seq_mode) { in do_remaining_work()
33 rtsx_set_stat(chip, RTSX_STAT_RUN); in do_remaining_work()
[all …]
/linux-6.8/sound/pcmcia/vx/
Dvxp_ops.c1 // SPDX-License-Identifier: GPL-2.0-or-later
40 struct snd_vxpocket *chip = to_vxpocket(_chip); in vxp_reg_addr() local
41 return chip->port + vxp_reg_offset[reg]; in vxp_reg_addr()
45 * snd_vx_inb - read a byte from the register
48 static unsigned char vxp_inb(struct vx_core *chip, int offset) in vxp_inb() argument
50 return inb(vxp_reg_addr(chip, offset)); in vxp_inb()
54 * snd_vx_outb - write a byte on the register
56 * @val: the value to write
58 static void vxp_outb(struct vx_core *chip, int offset, unsigned char val) in vxp_outb() argument
60 outb(val, vxp_reg_addr(chip, offset)); in vxp_outb()
[all …]
/linux-6.8/drivers/net/dsa/mv88e6xxx/
Dglobal1.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
13 #include "chip.h"
16 int mv88e6xxx_g1_read(struct mv88e6xxx_chip *chip, int reg, u16 *val) in mv88e6xxx_g1_read() argument
18 int addr = chip->info->global1_addr; in mv88e6xxx_g1_read()
20 return mv88e6xxx_read(chip, addr, reg, val); in mv88e6xxx_g1_read()
23 int mv88e6xxx_g1_write(struct mv88e6xxx_chip *chip, int reg, u16 val) in mv88e6xxx_g1_write() argument
25 int addr = chip->info->global1_addr; in mv88e6xxx_g1_write()
27 return mv88e6xxx_write(chip, addr, reg, val); in mv88e6xxx_g1_write()
30 int mv88e6xxx_g1_wait_bit(struct mv88e6xxx_chip *chip, int reg, int in mv88e6xxx_g1_wait_bit() argument
[all …]
Dchip.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Marvell 88E6xxx Ethernet switch single-chip definition
28 /* PVT limits for 4-bit port and 5-bit switch */
110 * enum mv88e6xxx_edsa_support - Ethertype DSA tag support level
149 * ports 2-4 are not routet to pins.
152 /* Multi-chip Addressing Mode.
153 * Some chips respond to only 2 registers of its own SMI device address
154 * when it is non-zero, and use indirect access to internal registers.
157 /* Dual-chip Addressing Mode
158 * Some chips respond to only half of the 32 SMI addresses,
[all …]
/linux-6.8/drivers/input/misc/
Dmax8997_haptic.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MAX8997-haptic controller driver
17 #include <linux/mfd/max8997-private.h>
56 static int max8997_haptic_set_duty_cycle(struct max8997_haptic *chip) in max8997_haptic_set_duty_cycle() argument
60 if (chip->mode == MAX8997_EXTERNAL_MODE) { in max8997_haptic_set_duty_cycle()
61 unsigned int duty = chip->pwm_period * chip->level / 100; in max8997_haptic_set_duty_cycle()
62 ret = pwm_config(chip->pwm, duty, chip->pwm_period); in max8997_haptic_set_duty_cycle()
66 duty_index = DIV_ROUND_UP(chip->level * 64, 100); in max8997_haptic_set_duty_cycle()
68 switch (chip->internal_mode_pattern) { in max8997_haptic_set_duty_cycle()
70 max8997_write_reg(chip->client, in max8997_haptic_set_duty_cycle()
[all …]
/linux-6.8/sound/drivers/vx/
Dvx_pcm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 * IBL size, typically 126 samples. at each end of chunk, the end-of-buffer
15 * pipe->transferred is the counter of data which has been already transferred.
16 * if this counter reaches to the period size, snd_pcm_period_elapsed() will
20 * to get a low latency response, we'll check the capture streams at each
22 * data is accumulated to the period size, snd_pcm_period_elapsed() is
25 * the current point of read buffer is kept in pipe->hw_ptr. note that
29 * - linked trigger for full-duplex mode.
30 * - scheduled action on the stream.
45 static void vx_pcm_read_per_bytes(struct vx_core *chip, struct snd_pcm_runtime *runtime, in vx_pcm_read_per_bytes() argument
[all …]
/linux-6.8/drivers/usb/typec/
Dstusb160x.c1 // SPDX-License-Identifier: GPL-2.0
3 * STMicroelectronics STUSB160x Type-C controller family driver
38 #define STUSB1600_REG_MAX 0x2F /* RO - Reserved */
240 static bool stusb160x_get_vconn(struct stusb160x *chip) in stusb160x_get_vconn() argument
245 ret = regmap_read(chip->regmap, STUSB160X_CC_CAPABILITY_CTRL, &val); in stusb160x_get_vconn()
247 dev_err(chip->dev, "Unable to get Vconn status: %d\n", ret); in stusb160x_get_vconn()
254 static int stusb160x_set_vconn(struct stusb160x *chip, bool on) in stusb160x_set_vconn() argument
259 if (chip->vconn_supply) { in stusb160x_set_vconn()
261 ret = regulator_enable(chip->vconn_supply); in stusb160x_set_vconn()
263 dev_err(chip->dev, in stusb160x_set_vconn()
[all …]
/linux-6.8/drivers/net/dsa/
Dlan9303-core.c1 // SPDX-License-Identifier: GPL-2.0-only
25 * Multiply register number by 4 to get address offset.
194 /* the built-in PHYs are of type LAN911X */
247 * tries to detect and read an external EEPROM after reset and acts as in lan9303_read()
249 * attempts to access the device as a slave at the same moment. in lan9303_read()
255 if (ret != -EAGAIN) in lan9303_read()
260 return -EIO; in lan9303_read()
263 static int lan9303_read_wait(struct lan9303 *chip, int offset, u32 mask) in lan9303_read_wait() argument
271 ret = lan9303_read(chip->regmap, offset, &reg); in lan9303_read_wait()
273 dev_err(chip->dev, "%s failed to read offset %d: %d\n", in lan9303_read_wait()
[all …]
/linux-6.8/sound/pci/nm256/
Dnm256.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * The original author of OSS nm256 driver wishes to remain anonymous,
8 * so I just put my acknoledgment to him/her here.
60 MODULE_PARM_DESC(force_ac97, "Force to use AC97 codec for " CARD_NAME " soundcard.");
104 #define NM_ACK_INT(chip, X) snd_nm256_writew(chip, NM_INT_REG, (X) << 1) argument
121 #define NM2_ACK_INT(chip, X) snd_nm256_writel(chip, NM_INT_REG, (X)) argument
173 struct nm256 *chip; member
178 u32 buf; /* offset from chip->buffer */
210 unsigned int reset_workaround: 1; /* Workaround for some laptops to avoid freeze */
211 …unsigned int reset_workaround_2: 1; /* Extended workaround for some other laptops to avoid freeze …
[all …]
/linux-6.8/sound/pci/oxygen/
Doxygen_io.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * C-Media CMI8788 driver - helper functions
16 u8 oxygen_read8(struct oxygen *chip, unsigned int reg) in oxygen_read8() argument
18 return inb(chip->addr + reg); in oxygen_read8()
22 u16 oxygen_read16(struct oxygen *chip, unsigned int reg) in oxygen_read16() argument
24 return inw(chip->addr + reg); in oxygen_read16()
28 u32 oxygen_read32(struct oxygen *chip, unsigned int reg) in oxygen_read32() argument
30 return inl(chip->addr + reg); in oxygen_read32()
34 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value) in oxygen_write8() argument
36 outb(value, chip->addr + reg); in oxygen_write8()
[all …]
/linux-6.8/drivers/power/supply/
Dug3105_battery.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Note the uG3105 is not a full-featured autonomous fuel-gauge. Instead it is
6 * expected to be use in combination with some always on microcontroller reading
7 * its coulomb-counter before it can wrap (must be read every 400 seconds!).
9 * Since Linux does not monitor coulomb-counter changes while the device
14 * 2. Reset total_coulomb_count val to 0 when the battery is as good as empty
17 * to when the battery was empty is set. If so we now know the capacity,
19 * 4. Add some mechanism (needs userspace help, or maybe use efivar?) to remember
23 * and then use total_coulomb_count to report energy_now over time, resetting
24 * things to adjust for drift when empty/full. This should give more accurate
[all …]

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