| /linux/drivers/net/phy/ |
| H A D | mdio_bus.c | 1 // SPDX-License-Identifier: GPL-2.0+
2 /* MDIO Bus interface
40 #include "mdio-boardinfo.h"
45 mdiodev->reset_gpio = gpiod_get_optional(&mdiodev->dev, in mdiobus_register_gpiod()
47 if (IS_ERR(mdiodev->reset_gpio)) in mdiobus_register_gpiod()
48 return PTR_ERR(mdiodev->reset_gpio); in mdiobus_register_gpiod()
50 if (mdiodev->reset_gpio) in mdiobus_register_gpiod()
51 gpiod_set_consumer_name(mdiodev->reset_gpio, "PHY reset"); in mdiobus_register_gpiod()
60 reset = reset_control_get_optional_exclusive(&mdiodev->dev, "phy"); in mdiobus_register_reset()
64 mdiodev->reset_ctrl = reset; in mdiobus_register_reset()
[all …]
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| /linux/sound/hda/ |
| H A D | hdac_controller.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * HD-audio controller helpers
15 static void azx_clear_corbrp(struct hdac_bus *bus) in azx_clear_corbrp() argument
19 for (timeout = 1000; timeout > 0; timeout--) { in azx_clear_corbrp()
20 if (snd_hdac_chip_readw(bus, CORBRP) & AZX_CORBRP_RST) in azx_clear_corbrp()
25 dev_err(bus->dev, "CORB reset timeout#1, CORBRP = %d\n", in azx_clear_corbrp()
26 snd_hdac_chip_readw(bus, CORBRP)); in azx_clear_corbrp()
28 snd_hdac_chip_writew(bus, CORBRP, 0); in azx_clear_corbrp()
29 for (timeout = 1000; timeout > 0; timeout--) { in azx_clear_corbrp()
30 if (snd_hdac_chip_readw(bus, CORBRP) == 0) in azx_clear_corbrp()
[all …]
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| H A D | hdac_bus.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * HD-audio core bus driver
24 * snd_hdac_bus_init - initialize a HD-audio bas bus
25 * @bus: the pointer to bus object
27 * @ops: bus verb operators
31 int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, in snd_hdac_bus_init() argument
34 memset(bus, 0, sizeof(*bus)); in snd_hdac_bus_init()
35 bus->dev = dev; in snd_hdac_bus_init()
37 bus->ops = ops; in snd_hdac_bus_init()
39 bus->ops = &default_ops; in snd_hdac_bus_init()
[all …]
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| /linux/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/ |
| H A D | anx9805.c | 28 #include "bus.h"
32 struct nvkm_i2c_bus *bus; member
33 u8 addr; member
39 u8 addr; member
45 struct anx9805_bus *bus = anx9805_bus(base); in anx9805_bus_xfer() local
46 struct anx9805_pad *pad = bus->pad; in anx9805_bus_xfer()
47 struct i2c_adapter *adap = &pad->bus->i2c; in anx9805_bus_xfer()
49 int ret = -ETIMEDOUT; in anx9805_bus_xfer()
53 tmp = nvkm_rdi2cr(adap, pad->addr, 0x07) & ~0x10; in anx9805_bus_xfer()
54 nvkm_wri2cr(adap, pad->addr, 0x07, tmp | 0x10); in anx9805_bus_xfer()
[all …]
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| H A D | busnv50.c | 25 #include "bus.h"
31 u32 addr; member
38 struct nv50_i2c_bus *bus = nv50_i2c_bus(base); in nv50_i2c_bus_drive_scl() local
39 struct nvkm_device *device = bus->base.pad->i2c->subdev.device; in nv50_i2c_bus_drive_scl()
40 if (state) bus->data |= 0x01; in nv50_i2c_bus_drive_scl()
41 else bus->data &= 0xfe; in nv50_i2c_bus_drive_scl()
42 nvkm_wr32(device, bus->addr, bus->data); in nv50_i2c_bus_drive_scl()
48 struct nv50_i2c_bus *bus = nv50_i2c_bus(base); in nv50_i2c_bus_drive_sda() local
49 struct nvkm_device *device = bus->base.pad->i2c->subdev.device; in nv50_i2c_bus_drive_sda()
50 if (state) bus->data |= 0x02; in nv50_i2c_bus_drive_sda()
[all …]
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| /linux/drivers/net/dsa/sja1105/ |
| H A D | sja1105_mdio.c | 1 // SPDX-License-Identifier: GPL-2.0
4 #include <linux/pcs/pcs-xpcs.h>
10 int sja1105_pcs_mdio_read_c45(struct mii_bus *bus, int phy, int mmd, int reg) in sja1105_pcs_mdio_read_c45() argument
12 struct sja1105_mdio_private *mdio_priv = bus->priv; in sja1105_pcs_mdio_read_c45()
13 struct sja1105_private *priv = mdio_priv->priv; in sja1105_pcs_mdio_read_c45()
14 u64 addr; in sja1105_pcs_mdio_read_c45() local
18 addr = (mmd << 16) | reg; in sja1105_pcs_mdio_read_c45()
28 rc = sja1105_xfer_u32(priv, SPI_READ, addr, &tmp, NULL); in sja1105_pcs_mdio_read_c45()
35 int sja1105_pcs_mdio_write_c45(struct mii_bus *bus, int phy, int mmd, in sja1105_pcs_mdio_write_c45() argument
38 struct sja1105_mdio_private *mdio_priv = bus->priv; in sja1105_pcs_mdio_write_c45()
[all …]
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| /linux/drivers/media/pci/cx25821/ |
| H A D | cx25821-i2c.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
22 MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
27 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \
38 struct cx25821_i2c *bus = i2c_adap->algo_data; in i2c_slave_did_ack() local
39 struct cx25821_dev *dev = bus->dev; in i2c_slave_did_ack()
40 return cx_read(bus->reg_stat) & 0x01; in i2c_slave_did_ack()
45 struct cx25821_i2c *bus = i2c_adap->algo_data; in i2c_is_busy() local
46 struct cx25821_dev *dev = bus->dev; in i2c_is_busy()
47 return cx_read(bus->reg_stat) & 0x02 ? 1 : 0; in i2c_is_busy()
69 struct cx25821_i2c *bus = i2c_adap->algo_data; in i2c_sendbytes() local
[all …]
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| /linux/drivers/pci/controller/ |
| H A D | pci-thunder-ecam.c | 1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/pci-ecam.h>
29 static int handle_ea_bar(u32 e0, int bar, struct pci_bus *bus, in handle_ea_bar() argument
32 void __iomem *addr; in handle_ea_bar() local
35 /* Entries are 16-byte aligned; bits[2,3] select word in entry */ in handle_ea_bar()
43 addr = bus->ops->map_bus(bus, devfn, bar); /* BAR 0 */ in handle_ea_bar()
44 if (!addr) in handle_ea_bar()
47 v = readl(addr); in handle_ea_bar()
49 v |= 2; /* EA entry-1. Base-L */ in handle_ea_bar()
57 addr = bus->ops->map_bus(bus, devfn, bar); /* BAR 0 */ in handle_ea_bar()
[all …]
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| /linux/arch/powerpc/platforms/maple/ |
| H A D | pci.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
19 #include <asm/pci-bridge.h>
22 #include <asm/ppc-pci.h>
23 #include <asm/isa-bridge.h>
37 for (; node; node = node->sibling) { in fixup_one_level_bus_range()
42 /* For PCI<->PCI bridges or CardBus bridges, we go down */ in fixup_one_level_bus_range()
43 class_code = of_get_property(node, "class-code", NULL); in fixup_one_level_bus_range()
47 bus_range = of_get_property(node, "bus-range", &len); in fixup_one_level_bus_range()
52 higher = fixup_one_level_bus_range(node->child, higher); in fixup_one_level_bus_range()
57 /* This routine fixes the "bus-range" property of all bridges in the
[all …]
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| /linux/drivers/soundwire/ |
| H A D | bus.c | 1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // Copyright(c) 2015-17 Intel Corporation.
11 #include "bus.h"
17 static int sdw_get_id(struct sdw_bus *bus) in sdw_get_id() argument
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
34 * @bus: bus instance
38 * Initializes the bus instance, read properties and create child
[all …]
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| H A D | slave.c | 1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // Copyright(c) 2015-17 Intel Corporation.
8 #include "bus.h"
15 mutex_destroy(&slave->sdw_dev_lock); in sdw_slave_release()
25 int sdw_slave_add(struct sdw_bus *bus, in sdw_slave_add() argument
34 return -ENOMEM; in sdw_slave_add()
37 memcpy(&slave->id, id, sizeof(*id)); in sdw_slave_add()
38 slave->dev.parent = bus->dev; in sdw_slave_add()
39 slave->dev.fwnode = fwnode; in sdw_slave_add()
41 if (id->unique_id == SDW_IGNORED_UNIQUE_ID) { in sdw_slave_add()
[all …]
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| /linux/include/trace/events/ |
| H A D | fsi_master_i2cr.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
15 __field(int, bus)
18 __field(unsigned short, addr)
21 __entry->bus = client->adapter->nr;
22 __entry->rc = rc;
23 memcpy(__entry->command, &command, sizeof(uint32_t));
24 __entry->addr = client->addr;
26 TP_printk("%d-%02x command:{ %*ph } rc:%d", __entry->bus, __entry->addr,
27 (int)sizeof(uint32_t), __entry->command, __entry->rc)
34 __field(int, bus)
[all …]
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| /linux/drivers/infiniband/hw/hfi1/ |
| H A D | qsfp.c | 1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
12 /* for the given bus number, return the CSR for reading an i2c line */
18 /* for the given bus number, return the CSR for writing an i2c line */
26 struct hfi1_i2c_bus *bus = (struct hfi1_i2c_bus *)data; in hfi1_setsda() local
27 struct hfi1_devdata *dd = bus->controlling_dd; in hfi1_setsda()
31 target_oe = i2c_oe_csr(bus->num); in hfi1_setsda()
50 struct hfi1_i2c_bus *bus = (struct hfi1_i2c_bus *)data; in hfi1_setscl() local
51 struct hfi1_devdata *dd = bus->controlling_dd; in hfi1_setscl()
55 target_oe = i2c_oe_csr(bus->num); in hfi1_setscl()
74 struct hfi1_i2c_bus *bus = (struct hfi1_i2c_bus *)data; in hfi1_getsda() local
[all …]
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| /linux/drivers/of/ |
| H A D | fdt_address.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * FDT Address translation based on u-boot fdt_support.c which in turn was
9 * Copyright 2010-2011 Freescale Semiconductor, Inc.
27 static void __init of_dump_addr(const char *s, const __be32 *addr, int na) in of_dump_addr() argument
30 while(na--) in of_dump_addr()
31 pr_cont(" %08x", *(addr++)); in of_dump_addr()
35 static void __init of_dump_addr(const char *s, const __be32 *addr, int na) { } in of_dump_addr() argument
38 /* Callbacks for bus specific translators */
42 u64 (*map)(__be32 *addr, const __be32 *range,
44 int (*translate)(__be32 *addr, u64 offset, int na);
[all …]
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| /linux/drivers/net/mdio/ |
| H A D | mdio-aspeed.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #define DRV_NAME "mdio-aspeed"
48 static int aspeed_mdio_op(struct mii_bus *bus, u8 st, u8 op, u8 phyad, u8 regad, in aspeed_mdio_op() argument
51 struct aspeed_mdio *ctx = bus->priv; in aspeed_mdio_op()
54 dev_dbg(&bus->dev, "%s: st: %u op: %u, phyad: %u, regad: %u, data: %u\n", in aspeed_mdio_op()
64 iowrite32(ctrl, ctx->base + ASPEED_MDIO_CTRL); in aspeed_mdio_op()
66 return readl_poll_timeout(ctx->base + ASPEED_MDIO_CTRL, ctrl, in aspeed_mdio_op()
72 static int aspeed_mdio_get_data(struct mii_bus *bus) in aspeed_mdio_get_data() argument
74 struct aspeed_mdio *ctx = bus->priv; in aspeed_mdio_get_data()
78 rc = readl_poll_timeout(ctx->base + ASPEED_MDIO_DATA, data, in aspeed_mdio_get_data()
[all …]
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| /linux/arch/sparc/kernel/ |
| H A D | pci_common.c | 1 // SPDX-License-Identifier: GPL-2.0
21 unsigned long bus, in config_out_of_range() argument
25 if (bus < pbm->pci_first_busno || in config_out_of_range()
26 bus > pbm->pci_last_busno) in config_out_of_range()
32 unsigned long bus, in sun4u_config_mkaddr() argument
36 unsigned long rbits = pbm->config_space_reg_bits; in sun4u_config_mkaddr()
38 if (config_out_of_range(pbm, bus, devfn, reg)) in sun4u_config_mkaddr()
41 reg = (reg & ((1 << rbits) - 1)); in sun4u_config_mkaddr()
43 bus <<= rbits + 8; in sun4u_config_mkaddr()
45 return (void *) (pbm->config_space | bus | devfn | reg); in sun4u_config_mkaddr()
[all …]
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| /linux/sound/i2c/ |
| H A D | i2c.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
25 static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus,
26 unsigned short addr);
34 static int snd_i2c_bus_free(struct snd_i2c_bus *bus) in snd_i2c_bus_free() argument
39 if (snd_BUG_ON(!bus)) in snd_i2c_bus_free()
40 return -EINVAL; in snd_i2c_bus_free()
41 while (!list_empty(&bus->devices)) { in snd_i2c_bus_free()
42 device = snd_i2c_device(bus->devices.next); in snd_i2c_bus_free()
45 if (bus->master) in snd_i2c_bus_free()
[all …]
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| /linux/drivers/net/dsa/mv88e6xxx/ |
| H A D | phy.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
16 int mv88e6165_phy_read(struct mv88e6xxx_chip *chip, struct mii_bus *bus, in mv88e6165_phy_read() argument
17 int addr, int reg, u16 *val) in mv88e6165_phy_read() argument
19 return mv88e6xxx_read(chip, addr, reg, val); in mv88e6165_phy_read()
22 int mv88e6165_phy_write(struct mv88e6xxx_chip *chip, struct mii_bus *bus, in mv88e6165_phy_write() argument
23 int addr, int reg, u16 val) in mv88e6165_phy_write() argument
25 return mv88e6xxx_write(chip, addr, reg, val); in mv88e6165_phy_write()
30 int addr = phy; /* PHY devices addresses start at 0x0 */ in mv88e6xxx_phy_read() local
31 struct mii_bus *bus; in mv88e6xxx_phy_read() local
33 bus = mv88e6xxx_default_mdio_bus(chip); in mv88e6xxx_phy_read()
[all …]
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| /linux/drivers/media/pci/cx23885/ |
| H A D | cx23885-i2c.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #include <media/v4l2-common.h>
23 MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
39 struct cx23885_i2c *bus = i2c_adap->algo_data; in i2c_slave_did_ack() local
40 struct cx23885_dev *dev = bus->dev; in i2c_slave_did_ack()
41 return cx_read(bus->reg_stat) & 0x01; in i2c_slave_did_ack()
46 struct cx23885_i2c *bus = i2c_adap->algo_data; in i2c_is_busy() local
47 struct cx23885_dev *dev = bus->dev; in i2c_is_busy()
48 return cx_read(bus->reg_stat) & 0x02 ? 1 : 0; in i2c_is_busy()
70 struct cx23885_i2c *bus = i2c_adap->algo_data; in i2c_sendbytes() local
[all …]
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| /linux/include/sound/ |
| H A D | hdaudio.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * HD-audio core stuff
12 #include <linux/io-64-nonatomic-lo-hi.h>
34 * exported bus type
50 * HD-audi
55 struct hdac_bus *bus; global() member
56 unsigned int addr; /* codec address */ global() member
271 dma_addr_t addr; /* physical address of CORB/RIRB buffer */ global() member
297 unsigned long addr; global() member
420 snd_hdac_aligned_mmio(bus) global() argument
422 snd_hdac_aligned_mmio(bus) global() argument
423 snd_hdac_aligned_read(addr,mask) global() argument
424 snd_hdac_aligned_write(val,addr,mask) global() argument
427 snd_hdac_reg_writeb(struct hdac_bus * bus,void __iomem * addr,u8 val) snd_hdac_reg_writeb() argument
436 snd_hdac_reg_writew(struct hdac_bus * bus,void __iomem * addr,u16 val) snd_hdac_reg_writew() argument
445 snd_hdac_reg_readb(struct hdac_bus * bus,void __iomem * addr) snd_hdac_reg_readb() argument
451 snd_hdac_reg_readw(struct hdac_bus * bus,void __iomem * addr) snd_hdac_reg_readw() argument
457 snd_hdac_reg_writel(bus,addr,val) global() argument
458 snd_hdac_reg_readl(bus,addr) global() argument
459 snd_hdac_reg_writeq(bus,addr,val) global() argument
460 snd_hdac_reg_readq(bus,addr) global() argument
504 snd_hdac_updatel(addr,reg,mask,val) global() argument
507 snd_hdac_updatew(addr,reg,mask,val) global() argument
514 struct hdac_bus *bus; global() member
[all...] |
| /linux/arch/powerpc/platforms/pasemi/ |
| H A D | pci.c | 1 // SPDX-License-Identifier: GPL-2.0-only
18 #include <asm/pci-bridge.h>
19 #include <asm/isa-bridge.h>
22 #include <asm/ppc-pci.h>
26 #define PA_PXP_CFA(bus, devfn, off) (((bus) << 20) | ((devfn) << 12) | (off)) argument
28 static inline int pa_pxp_offset_valid(u8 bus, u8 devfn, int offset) in pa_pxp_offset_valid() argument
31 * well, so allow larger offset. It's really a two-function device but the in pa_pxp_offset_valid()
34 if (bus == 0 && devfn == 0) in pa_pxp_offset_valid()
41 u8 bus, u8 devfn, int offset) in pa_pxp_cfg_addr() argument
43 return hose->cfg_data + PA_PXP_CFA(bus, devfn, offset); in pa_pxp_cfg_addr()
[all …]
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| /linux/drivers/ssb/ |
| H A D | host_soc.c | 18 struct ssb_bus *bus = dev->bus; in ssb_host_soc_read8() local
20 offset += dev->core_index * SSB_CORE_SIZE; in ssb_host_soc_read8()
21 return readb(bus->mmio + offset); in ssb_host_soc_read8()
26 struct ssb_bus *bus = dev->bus; in ssb_host_soc_read16() local
28 offset += dev->core_index * SSB_CORE_SIZE; in ssb_host_soc_read16()
29 return readw(bus->mmio + offset); in ssb_host_soc_read16()
34 struct ssb_bus *bus = dev->bus; in ssb_host_soc_read32() local
36 offset += dev->core_index * SSB_CORE_SIZE; in ssb_host_soc_read32()
37 return readl(bus->mmio + offset); in ssb_host_soc_read32()
44 struct ssb_bus *bus = dev->bus; in ssb_host_soc_block_read() local
[all …]
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| /linux/drivers/media/usb/em28xx/ |
| H A D | em28xx-i2c.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 // em28xx-i2c.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
20 #include <media/v4l2-common.h>
23 /* ----------------------------------------------------------- */
27 MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
35 dev_printk(KERN_DEBUG, &dev->intf->dev, \
54 switch (dev->i2c_speed & 0x03) { in em28xx_i2c_timeout()
73 static int em2800_i2c_send_bytes(struct em28xx *dev, u8 addr, u8 *buf, u16 len) in em2800_i2c_send_bytes() argument
80 return -EOPNOTSUPP; in em2800_i2c_send_bytes()
82 b2[5] = 0x80 + len - 1; in em2800_i2c_send_bytes()
[all …]
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| /linux/arch/m68k/coldfire/ |
| H A D | pci.c | 2 * pci.c -- PCI bus support for ColdFire processors
26 * PCI bus memory (no reason not to really). IO space is mapped in its own
34 * We need to be careful probing on bus 0 (directly connected to host
53 static unsigned long mcf_mk_pcicar(int bus, unsigned int devfn, int where) in mcf_mk_pcicar() argument
55 return (bus << PCICAR_BUSN) | (devfn << PCICAR_DEVFNN) | (where & 0xfc); in mcf_mk_pcicar()
58 static int mcf_pci_readconfig(struct pci_bus *bus, unsigned int devfn, in mcf_pci_readconfig() argument
61 unsigned long addr; in mcf_pci_readconfig() local
65 if (bus->number == 0) { in mcf_pci_readconfig()
70 addr = mcf_mk_pcicar(bus->number, devfn, where); in mcf_pci_readconfig()
71 __raw_writel(PCICAR_E | addr, PCICAR); in mcf_pci_readconfig()
[all …]
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| /linux/arch/x86/pci/ |
| H A D | numachip.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Numascale NumaConnect-specific PCI code
19 static inline char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) in pci_dev_base() argument
21 struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus); in pci_dev_base()
23 if (cfg && cfg->virt) in pci_dev_base()
24 return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12)); in pci_dev_base()
28 static int pci_mmcfg_read_numachip(unsigned int seg, unsigned int bus, in pci_mmcfg_read_numachip() argument
31 char __iomem *addr; in pci_mmcfg_read_numachip() local
33 /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ in pci_mmcfg_read_numachip()
34 if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) { in pci_mmcfg_read_numachip()
[all …]
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