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/openbmc/linux/drivers/soundwire/
H A Dbus.c1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // Copyright(c) 2015-17 Intel Corporation.
24 bus->id = rc; in sdw_get_id()
26 if (bus->controller_id == -1) in sdw_get_id()
27 bus->controller_id = rc; in sdw_get_id()
33 * sdw_bus_master_add() - add a bus Master instance
49 return -ENODEV; in sdw_bus_master_add()
61 bus->link_id); in sdw_bus_master_add()
65 if (!bus->ops) { in sdw_bus_master_add()
66 dev_err(bus->dev, "SoundWire Bus ops are not set\n"); in sdw_bus_master_add()
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H A Dslave.c1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // Copyright(c) 2015-17 Intel Corporation.
13 struct sdw_slave *slave = dev_to_sdw_dev(dev); in sdw_slave_release() local
15 of_node_put(slave->dev.of_node); in sdw_slave_release()
16 mutex_destroy(&slave->sdw_dev_lock); in sdw_slave_release()
17 kfree(slave); in sdw_slave_release()
29 struct sdw_slave *slave; in sdw_slave_add() local
33 slave = kzalloc(sizeof(*slave), GFP_KERNEL); in sdw_slave_add()
34 if (!slave) in sdw_slave_add()
35 return -ENOMEM; in sdw_slave_add()
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H A Dbus.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
10 u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr);
17 return -ENOTSUPP; in sdw_acpi_find_slaves()
23 u64 addr, struct sdw_slave_id *id);
33 void sdw_slave_debugfs_init(struct sdw_slave *slave);
34 void sdw_slave_debugfs_exit(struct sdw_slave *slave);
40 static inline void sdw_slave_debugfs_init(struct sdw_slave *slave) {} in sdw_slave_debugfs_init() argument
41 static inline void sdw_slave_debugfs_exit(struct sdw_slave *slave) {} in sdw_slave_debugfs_exit() argument
52 * struct sdw_msg - Message structure
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/openbmc/linux/drivers/fsi/
H A Dfsi-core.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * - Rework topology
9 * - s/chip_id/chip_loc
10 * - s/cfam/chip (cfam_id -> chip_id etc...)
27 #include "fsi-master.h"
28 #include "fsi-slave.h"
51 * FSI slave engine control register offsets
55 #define FSI_SSTAT 0x14 /* R : Slave status */
98 uint8_t slave_id, uint32_t addr, void *val, size_t size);
100 uint8_t slave_id, uint32_t addr, const void *val, size_t size);
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/openbmc/ipmbbridge/
H A DREADME.md10 "slave-path": "/dev/ipmb-4",
11 "bmc-addr": 32,
12 "remote-addr": 44
16 "slave-path": "/dev/ipmb-9",
17 "bmc-addr": 32,
18 "remote-addr": 96
31 "slave-path": "/dev/ipmb-1",
32 "bmc-addr": 32,
33 "remote-addr": 64,
38 "slave-path": "/dev/ipmb-3",
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/openbmc/linux/include/linux/soundwire/
H A Dsdw.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
75 * enum sdw_slave_status - Slave status
76 * @SDW_SLAVE_UNATTACHED: Slave is not attached with the bus.
77 * @SDW_SLAVE_ATTACHED: Slave is attached with bus.
78 * @SDW_SLAVE_ALERT: Some alert condition on the Slave
93 * @SDW_CLK_PRE_DEPREPARE: pre clock stop de-prepare
94 * @SDW_CLK_POST_DEPREPARE: post clock stop de-prepare
104 * enum sdw_command_response - Command response as defined by SDW spec
190 * enum sdw_p15_behave - Slave Port 15 behaviour when the Master attempts a
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/openbmc/u-boot/drivers/net/ti/
H A Dcpsw-common.c1 // SPDX-License-Identifier: GPL-2.0+
3 * CPSW common - libs used across TI ethernet devices.
20 int slave, u8 *mac_addr) in davinci_emac_3517_get_macid() argument
22 void *fdt = (void *)gd->fdt_blob; in davinci_emac_3517_get_macid()
28 u32 addr; in davinci_emac_3517_get_macid() local
33 return -ENOENT; in davinci_emac_3517_get_macid()
36 addr = (u32)map_physmem(fdt_translate_address(fdt, syscon, &gmii), in davinci_emac_3517_get_macid()
38 if (addr == FDT_ADDR_T_NONE) { in davinci_emac_3517_get_macid()
40 return -ENOENT; in davinci_emac_3517_get_macid()
43 addr += CTRL_MAC_REG(offset, slave); in davinci_emac_3517_get_macid()
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/openbmc/u-boot/drivers/spi/
H A Dspi-mem.c1 // SPDX-License-Identifier: GPL-2.0+
15 #include <spi-mem.h>
20 * spi_controller_dma_map_mem_op_data() - DMA-map the buffer attached to a
24 * @sgt: a pointer to a non-initialized sg_table that will be filled by this
28 * This helper prepares everything for you and provides a ready-to-use
32 * op->data.buf.{in,out} is DMA-able before calling this function.
42 if (!op->data.nbytes) in spi_controller_dma_map_mem_op_data()
43 return -EINVAL; in spi_controller_dma_map_mem_op_data()
45 if (op->data.dir == SPI_MEM_DATA_OUT && ctlr->dma_tx) in spi_controller_dma_map_mem_op_data()
46 dmadev = ctlr->dma_tx->device->dev; in spi_controller_dma_map_mem_op_data()
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H A Dspi-mem-nodm.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
7 #include <spi-mem.h>
9 int spi_mem_exec_op(struct spi_slave *slave, in spi_mem_exec_op() argument
21 if (op->data.nbytes) { in spi_mem_exec_op()
22 if (op->data.dir == SPI_MEM_DATA_IN) in spi_mem_exec_op()
23 rx_buf = op->data.buf.in; in spi_mem_exec_op()
25 tx_buf = op->data.buf.out; in spi_mem_exec_op()
28 op_len = sizeof(op->cmd.opcode) + op->addr.nbytes + op->dummy.nbytes; in spi_mem_exec_op()
31 ret = spi_claim_bus(slave); in spi_mem_exec_op()
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/openbmc/linux/drivers/spmi/
H A Dspmi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
16 #include <dt-bindings/spmi/spmi.h>
38 ida_free(&ctrl_ida, ctrl->nr); in spmi_ctrl_release()
51 if (drv->name) in spmi_device_match()
52 return strncmp(dev_name(dev), drv->name, in spmi_device_match()
59 * spmi_device_add() - add a device previously constructed via spmi_device_alloc()
64 struct spmi_controller *ctrl = sdev->ctrl; in spmi_device_add()
67 dev_set_name(&sdev->dev, "%d-%02x", ctrl->nr, sdev->usid); in spmi_device_add()
69 err = device_add(&sdev->dev); in spmi_device_add()
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/openbmc/linux/include/trace/events/
H A Dfsi.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 uint32_t addr, size_t size),
14 TP_ARGS(master, link, id, addr, size),
19 __field(__u32, addr)
23 __entry->master_idx = master->idx;
24 __entry->link = link;
25 __entry->id = id;
26 __entry->addr = addr;
27 __entry->size = size;
30 __entry->master_idx,
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/openbmc/linux/drivers/staging/sm750fb/
H A Dddk750_hwi2c.c1 // SPDX-License-Identifier: GPL-2.0
63 timeout--; in hw_i2c_wait_tx_done()
66 return -1; in hw_i2c_wait_tx_done()
72 * This function writes data to the i2c slave device registers.
75 * addr - i2c Slave device address
76 * length - Total number of bytes to be written to the device
77 * buf - The buffer that contains the data to be written to the
83 static unsigned int hw_i2c_write_data(unsigned char addr, in hw_i2c_write_data() argument
91 poke32(I2C_SLAVE_ADDRESS, addr & ~0x01); in hw_i2c_write_data()
107 count = length - 1; in hw_i2c_write_data()
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H A Dddk750_swi2c.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * swi2c.h --- SM750/SM718 DDK
22 * i2cClkGPIO - The GPIO pin to be used as i2c SCL
23 * i2cDataGPIO - The GPIO pin to be used as i2c SDA
26 * -1 - Fail to initialize the i2c
27 * 0 - Success
32 * This function reads the slave device's register
35 * addr - i2c Slave device address which register
37 * reg - Slave device's register to be read
42 unsigned char sm750_sw_i2c_read_reg(unsigned char addr, unsigned char reg);
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/openbmc/linux/include/net/
H A Dbonding.h1 /* SPDX-License-Identifier: GPL-1.0+ */
5 * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
43 netdev_info(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
45 netdev_warn(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
47 netdev_dbg(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
49 netdev_err(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
51 #define BOND_MODE(bond) ((bond)->params.mode)
53 /* slave list primitives */
54 #define bond_slave_list(bond) (&(bond)->dev->adj_list.lower)
61 netdev_adjacent_get_private(bond_slave_list(bond)->next) : \
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/openbmc/linux/drivers/i2c/busses/
H A Di2c-mlxbf.c1 // SPDX-License-Identifier: GPL-2.0
57 * memory-mapped region whose addresses are specified in either the DT or
67 /* Reference clock for Bluefield - 156 MHz. */
124 * Slave cause status flags. Note that those bits might be considered
132 /* Slave busy bit reset. */
149 * SMBUS GW0 -> bits[26:25]
150 * SMBUS GW1 -> bits[28:27]
151 * SMBUS GW2 -> bits[30:29]
236 #define MLXBF_I2C_MASTER_SLV_ADDR_SHIFT 12 /* Slave address */
245 #define MLXBF_I2C_MASTER_DATA_W_LENGTH (MLXBF_I2C_MASTER_DATA_DESC_SIZE - 1)
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/openbmc/linux/include/linux/
H A Dfsi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
17 struct fsi_slave *slave; member
18 uint32_t addr; member
22 extern int fsi_device_read(struct fsi_device *dev, uint32_t addr,
24 extern int fsi_device_write(struct fsi_device *dev, uint32_t addr,
52 /* module_fsi_driver() - Helper macro for drivers that don't do
61 /* direct slave API */
62 extern int fsi_slave_claim_range(struct fsi_slave *slave,
63 uint32_t addr, uint32_t size);
64 extern void fsi_slave_release_range(struct fsi_slave *slave,
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H A Dspmi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
11 /* Maximum slave identifier */
34 * struct spmi_device - Basic representation of an SPMI device
37 * @usid: This devices' Unique Slave IDentifier.
52 return dev_get_drvdata(&sdev->dev); in spmi_device_get_drvdata()
57 dev_set_drvdata(&sdev->dev, data); in spmi_device_set_drvdata()
65 put_device(&sdev->dev); in spmi_device_put()
73 * struct spmi_controller - interface to the SPMI master controller
75 * @nr: board-specific number identifier for this controller/bus
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/openbmc/qemu/include/hw/i2c/
H A Di2c.h4 #include "hw/qdev-core.h"
8 immediately. It does not support slave devices that need to be able to
9 defer their response (eg. CPU slave interfaces where the data is supplied
22 #define TYPE_I2C_SLAVE "i2c-slave"
29 /* Master to slave. Returns non-zero for a NAK, 0 for success. */
32 /* Master to slave (asynchronous). Receiving slave must call i2c_ack(). */
36 * Slave to master. This cannot fail, the device should always
42 * Notify the slave of a bus state change. For start event,
43 * returns non-zero to NAK an operation. For other events the
66 #define TYPE_I2C_BUS "i2c-bus"
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/openbmc/linux/drivers/base/regmap/
H A Dregmap-sdw.c1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright(c) 2015-17 Intel Corporation.
15 struct sdw_slave *slave = dev_to_sdw_dev(dev); in regmap_sdw_write() local
17 u32 addr = le32_to_cpu(*(const __le32 *)val_buf); in regmap_sdw_write() local
20 return sdw_nwrite_no_pm(slave, addr, val_size - sizeof(addr), val + sizeof(addr)); in regmap_sdw_write()
28 struct sdw_slave *slave = dev_to_sdw_dev(dev); in regmap_sdw_gather_write() local
29 u32 addr = le32_to_cpu(*(const __le32 *)reg_buf); in regmap_sdw_gather_write() local
31 return sdw_nwrite_no_pm(slave, addr, val_size, val_buf); in regmap_sdw_gather_write()
39 struct sdw_slave *slave = dev_to_sdw_dev(dev); in regmap_sdw_read() local
40 u32 addr = le32_to_cpu(*(const __le32 *)reg_buf); in regmap_sdw_read() local
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/openbmc/linux/drivers/dma/
H A Dsa11x0-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Derived in part from arch/arm/mach-sa1100/dma.c,
20 #include "virt-dma.h"
68 u32 addr; member
89 /* protected by c->vc.lock */
93 /* protected by d->lock */
107 /* Protected by c->vc.lock */
118 struct dma_device slave; member
133 return container_of(dmadev, struct sa11x0_dma_dev, slave); in to_sa11x0_dma()
138 struct virt_dma_desc *vd = vchan_next_desc(&c->vc); in sa11x0_dma_next_desc()
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/openbmc/linux/drivers/i2c/
H A Di2c-core-smbus.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * (e.g. smbalert) are handled in a separate i2c-smbus module.
9 * All SMBus-related things are written by Frodo Looijaard <frodol@dds.nl>
16 #include <linux/i2c-smbus.h>
20 #include "i2c-core.h"
42 * i2c_smbus_pec - Incremental CRC8 over the given input data array
59 /* Assume a 7-bit address, which is reasonable for SMBus */
63 u8 addr = i2c_8bit_addr_from_msg(msg); in i2c_smbus_msg_pec() local
64 pec = i2c_smbus_pec(pec, &addr, 1); in i2c_smbus_msg_pec()
67 return i2c_smbus_pec(pec, msg->buf, msg->len); in i2c_smbus_msg_pec()
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/openbmc/linux/sound/soc/codecs/
H A Dsdw-mockup.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // sdw-mockup.c -- a mockup SoundWire codec for tests where only the host
23 struct sdw_slave *slave; member
59 struct snd_soc_component *component = dai->component; in sdw_mockup_pcm_hw_params()
67 return -EINVAL; in sdw_mockup_pcm_hw_params()
69 if (!sdw_mockup->slave) in sdw_mockup_pcm_hw_params()
70 return -EINVAL; in sdw_mockup_pcm_hw_params()
75 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in sdw_mockup_pcm_hw_params()
80 ret = sdw_stream_add_slave(sdw_mockup->slave, &stream_config, in sdw_mockup_pcm_hw_params()
83 dev_err(dai->dev, "Unable to configure port\n"); in sdw_mockup_pcm_hw_params()
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/openbmc/linux/drivers/net/ethernet/ti/
H A Dcpsw.c1 // SPDX-License-Identifier: GPL-2.0
68 struct cpsw_slave *slave; \
69 struct cpsw_common *cpsw = (priv)->cpsw; \
71 if (cpsw->data.dual_emac) \
72 (func)((cpsw)->slaves + priv->emac_port, ##arg);\
74 for (n = cpsw->data.slaves, \
75 slave = cpsw->slaves; \
76 n; n--) \
77 (func)(slave++, ##arg); \
83 return cpsw->data.dual_emac ? priv->emac_port : cpsw->data.active_slave; in cpsw_slave_index_priv()
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/openbmc/linux/Documentation/networking/dsa/
H A Dconfiguration.rst1 .. SPDX-License-Identifier: GPL-2.0
10 .. _dsa-config-showcases:
13 -----------------------
35 All other corresponding linux interfaces are called slave interfaces.
37 The slave interfaces depend on the master interface being up in order for them
42 - when a DSA slave interface is brought up, the master interface is
44 - when the master interface is brought down, all DSA slave interfaces are
56 a slave interface
59 another slave interface
62 a third slave interface
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/openbmc/phosphor-mrw-tools/
H A Dgen_callouts.pl31 my $targets = Targets->new;
32 $targets->loadXML($mrwFile);
40 …s/devices/platform/ahb/ahb:apb/ahb:apb:bus\@1e78a000/1e78a100.i2c-bus/i2c-<port>/<port>-00<address…
41 my $fsiMasterPath = "/sys/devices/platform/gpio-fsi/fsi0/slave\@00:00/raw";
42 my $fsiSlavePath = "/sys/devices/platform/gpio-fsi/fsi0/slave\@00:00/00:00:00:0a/fsi1/slave\@<link>…
56 my $connections = $targets->findConnections($bmc, "I2C");
57 # hash of arrays - {I2C master port : list of connected slave Targets}
60 for my $i2c (@{$connections->{CONN}})
62 my $master = $i2c->{SOURCE};
63 my $port = $targets->getAttribute($master,"I2C_PORT");
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