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/linux/sound/hda/core/
H A Dcontroller.c15 static void azx_clear_corbrp(struct hdac_bus *bus) in azx_clear_corbrp() argument
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()
30 if (snd_hdac_chip_readw(bus, CORBRP) == 0) in azx_clear_corbrp()
35 dev_err(bus->dev, "CORB reset timeout#2, CORBRP = %d\n", in azx_clear_corbrp()
36 snd_hdac_chip_readw(bus, CORBRP)); in azx_clear_corbrp()
41 * @bus: HD-audio core bus
43 snd_hdac_bus_init_cmd_io(struct hdac_bus * bus) snd_hdac_bus_init_cmd_io() argument
94 hdac_wait_for_cmd_dmas(struct hdac_bus * bus) hdac_wait_for_cmd_dmas() argument
113 snd_hdac_bus_stop_cmd_io(struct hdac_bus * bus) snd_hdac_bus_stop_cmd_io() argument
140 snd_hdac_bus_wait_for_pio_response(struct hdac_bus * bus,unsigned int addr) snd_hdac_bus_wait_for_pio_response() argument
170 snd_hdac_bus_send_cmd_pio(struct hdac_bus * bus,unsigned int val) snd_hdac_bus_send_cmd_pio() argument
210 snd_hdac_bus_get_response_pio(struct hdac_bus * bus,unsigned int addr,unsigned int * res) snd_hdac_bus_get_response_pio() argument
226 snd_hdac_bus_send_cmd_corb(struct hdac_bus * bus,unsigned int val) snd_hdac_bus_send_cmd_corb() argument
270 snd_hdac_bus_update_rirb(struct hdac_bus * bus) snd_hdac_bus_update_rirb() argument
324 snd_hdac_bus_get_response_rirb(struct hdac_bus * bus,unsigned int addr,unsigned int * res) snd_hdac_bus_get_response_rirb() argument
384 snd_hdac_bus_send_cmd(struct hdac_bus * bus,unsigned int val) snd_hdac_bus_send_cmd() argument
401 snd_hdac_bus_get_response(struct hdac_bus * bus,unsigned int addr,unsigned int * res) snd_hdac_bus_get_response() argument
418 snd_hdac_bus_parse_capabilities(struct hdac_bus * bus) snd_hdac_bus_parse_capabilities() argument
502 snd_hdac_bus_enter_link_reset(struct hdac_bus * bus) snd_hdac_bus_enter_link_reset() argument
522 snd_hdac_bus_exit_link_reset(struct hdac_bus * bus) snd_hdac_bus_exit_link_reset() argument
535 snd_hdac_bus_reset_link(struct hdac_bus * bus,bool full_reset) snd_hdac_bus_reset_link() argument
576 azx_int_enable(struct hdac_bus * bus) azx_int_enable() argument
585 azx_int_disable(struct hdac_bus * bus) azx_int_disable() argument
598 azx_int_clear(struct hdac_bus * bus) azx_int_clear() argument
621 snd_hdac_bus_init_chip(struct hdac_bus * bus,bool full_reset) snd_hdac_bus_init_chip() argument
654 snd_hdac_bus_stop_chip(struct hdac_bus * bus) snd_hdac_bus_stop_chip() argument
684 snd_hdac_bus_handle_stream_irq(struct hdac_bus * bus,unsigned int status,void (* ack)(struct hdac_bus *,struct hdac_stream *)) snd_hdac_bus_handle_stream_irq() argument
715 snd_hdac_bus_alloc_stream_pages(struct hdac_bus * bus) snd_hdac_bus_alloc_stream_pages() argument
750 snd_hdac_bus_free_stream_pages(struct hdac_bus * bus) snd_hdac_bus_free_stream_pages() argument
[all...]
H A Dbus.c3 * 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 in snd_hdac_bus_init()
70 snd_hdac_bus_exit(struct hdac_bus * bus) snd_hdac_bus_exit() argument
87 snd_hdac_bus_exec_verb(struct hdac_bus * bus,unsigned int addr,unsigned int cmd,unsigned int * res) snd_hdac_bus_exec_verb() argument
107 snd_hdac_bus_exec_verb_unlocked(struct hdac_bus * bus,unsigned int addr,unsigned int cmd,unsigned int * res) snd_hdac_bus_exec_verb_unlocked() argument
148 snd_hdac_bus_queue_event(struct hdac_bus * bus,u32 res,u32 res_ex) snd_hdac_bus_queue_event() argument
171 struct hdac_bus *bus = container_of(work, struct hdac_bus, unsol_work); snd_hdac_bus_process_unsol_events() local
206 snd_hdac_bus_add_device(struct hdac_bus * bus,struct hdac_device * codec) snd_hdac_bus_add_device() argument
226 snd_hdac_bus_remove_device(struct hdac_bus * bus,struct hdac_device * codec) snd_hdac_bus_remove_device() argument
271 struct hdac_bus *bus = codec->bus; snd_hdac_codec_link_up() local
282 struct hdac_bus *bus = codec->bus; snd_hdac_codec_link_down() local
[all...]
/linux/drivers/i2c/busses/
H A Di2c-npcm7xx.c30 * of the bus.
126 #define NPCM_I2CT_OUT 0x14 /* Bus T.O. */
155 #define NPCM_I2CST_BER BIT(5) /* Bus error */
161 #define NPCM_I2CCST_BB BIT(1) /* Bus busy */
596 bool ber_state; /* Indicate the bus error state */
599 static inline void npcm_i2c_select_bank(struct npcm_i2c *bus, in npcm_i2c_select_bank() argument
602 u8 i2cctl3 = ioread8(bus->reg + NPCM_I2CCTL3); in npcm_i2c_select_bank()
608 iowrite8(i2cctl3, bus->reg + NPCM_I2CCTL3); in npcm_i2c_select_bank()
611 static void npcm_i2c_init_params(struct npcm_i2c *bus) in npcm_i2c_init_params() argument
613 bus->stop_ind = I2C_NO_STATUS_IND; in npcm_i2c_init_params()
[all …]
H A Di2c-aspeed.c171 static int aspeed_i2c_reset(struct aspeed_i2c_bus *bus);
173 /* precondition: bus.lock has been acquired. */
174 static void aspeed_i2c_do_stop(struct aspeed_i2c_bus *bus) in aspeed_i2c_do_stop() argument
176 bus->master_state = ASPEED_I2C_MASTER_STOP; in aspeed_i2c_do_stop()
177 writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); in aspeed_i2c_do_stop()
180 static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) in aspeed_i2c_recover_bus() argument
186 spin_lock_irqsave(&bus->lock, flags); in aspeed_i2c_recover_bus()
187 command = readl(bus->base + ASPEED_I2C_CMD_REG); in aspeed_i2c_recover_bus()
190 /* Bus is idle: no recovery needed. */ in aspeed_i2c_recover_bus()
193 dev_dbg(bus->dev, "SCL hung (state %x), attempting recovery\n", in aspeed_i2c_recover_bus()
[all …]
/linux/sound/i2c/
H A Di2c.c25 static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus,
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()
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()
46 list_del(&bus->buses); in snd_i2c_bus_free()
48 while (!list_empty(&bus->buses)) { in snd_i2c_bus_free()
49 slave = snd_i2c_slave_bus(bus->buses.next); in snd_i2c_bus_free()
50 snd_device_free(bus->card, slave); in snd_i2c_bus_free()
[all …]
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/
H A Dbit.c24 #include "bus.h"
32 nvkm_i2c_drive_scl(struct nvkm_i2c_bus *bus, int state) in nvkm_i2c_drive_scl() argument
34 bus->func->drive_scl(bus, state); in nvkm_i2c_drive_scl()
38 nvkm_i2c_drive_sda(struct nvkm_i2c_bus *bus, int state) in nvkm_i2c_drive_sda() argument
40 bus->func->drive_sda(bus, state); in nvkm_i2c_drive_sda()
44 nvkm_i2c_sense_scl(struct nvkm_i2c_bus *bus) in nvkm_i2c_sense_scl() argument
46 return bus->func->sense_scl(bus); in nvkm_i2c_sense_scl()
50 nvkm_i2c_sense_sda(struct nvkm_i2c_bus *bus) in nvkm_i2c_sense_sda() argument
52 return bus->func->sense_sda(bus); in nvkm_i2c_sense_sda()
56 nvkm_i2c_delay(struct nvkm_i2c_bus *bus, u32 nsec) in nvkm_i2c_delay() argument
[all …]
H A Dbus.c24 #include "bus.h"
35 struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); in nvkm_i2c_bus_pre_xfer() local
36 return nvkm_i2c_bus_acquire(bus); in nvkm_i2c_bus_pre_xfer()
42 struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); in nvkm_i2c_bus_post_xfer() local
43 return nvkm_i2c_bus_release(bus); in nvkm_i2c_bus_post_xfer()
49 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_setscl() local
50 bus->func->drive_scl(bus, state); in nvkm_i2c_bus_setscl()
56 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_setsda() local
57 bus->func->drive_sda(bus, state); in nvkm_i2c_bus_setsda()
63 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_getscl() local
[all …]
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-i3c1 What: /sys/bus/i3c/devices/i3c-<bus-id>
5 An I3C bus. This directory will contain one sub-directory per
6 I3C device present on the bus.
8 What: /sys/bus/i3c/devices/i3c-<bus-id>/current_master
12 Expose the master that owns the bus (<bus-id>-<master-pid>) at
13 the time this file is read. Note that bus ownership can change
17 What: /sys/bus/i3c/devices/i3c-<bus-id>/mode
21 I3C bus mode. Can be "pure", "mixed-fast" or "mixed-slow". See
25 What: /sys/bus/i3c/devices/i3c-<bus-id>/i3c_scl_frequency
32 What: /sys/bus/i3c/devices/i3c-<bus-id>/i2c_scl_frequency
[all …]
H A Dsysfs-bus-soundwire-slave1 What: /sys/bus/soundwire/devices/sdw:.../status
2 /sys/bus/soundwire/devices/sdw:.../device_number
16 physically present on the bus, and conversely devices
19 What: /sys/bus/soundwire/devices/sdw:.../dev-properties/mipi_revision
20 /sys/bus/soundwire/devices/sdw:.../dev-properties/wake_capable
21 /sys/bus/soundwire/devices/sdw:.../dev-properties/test_mode_capable
22 /sys/bus/soundwire/devices/sdw:.../dev-properties/clk_stop_mode1
23 /sys/bus/soundwire/devices/sdw:.../dev-properties/simple_clk_stop_capable
24 /sys/bus/soundwire/devices/sdw:.../dev-properties/clk_stop_timeout
25 /sys/bus/soundwire/devices/sdw:.../dev-properties/ch_prep_timeout
[all …]
/linux/drivers/ssb/
H A Ddriver_gpio.c28 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_to_irq() local
30 if (bus->bustype == SSB_BUSTYPE_SSB) in ssb_gpio_to_irq()
31 return irq_find_mapping(bus->irq_domain, gpio); in ssb_gpio_to_irq()
43 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_get_value() local
45 return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio); in ssb_gpio_chipco_get_value()
51 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_set_value() local
53 ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); in ssb_gpio_chipco_set_value()
61 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_direction_input() local
63 ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0); in ssb_gpio_chipco_direction_input()
70 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_direction_output() local
[all …]
H A Dscan.c3 * Bus scanning
160 static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx, in scan_read32() argument
165 switch (bus->bustype) { in scan_read32()
173 ssb_pcmcia_switch_segment(bus, 1); in scan_read32()
176 ssb_pcmcia_switch_segment(bus, 0); in scan_read32()
177 lo = readw(bus->mmio + offset); in scan_read32()
178 hi = readw(bus->mmio + offset + 2); in scan_read32()
182 return ssb_sdio_scan_read32(bus, offset); in scan_read32()
184 return readl(bus->mmio + offset); in scan_read32()
187 static int scan_switchcore(struct ssb_bus *bus, u8 coreidx) in scan_switchcore() argument
[all …]
H A Dembedded.c23 int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks) in ssb_watchdog_timer_set() argument
25 if (ssb_chipco_available(&bus->chipco)) { in ssb_watchdog_timer_set()
26 ssb_chipco_watchdog_timer_set(&bus->chipco, ticks); in ssb_watchdog_timer_set()
29 if (ssb_extif_available(&bus->extif)) { in ssb_watchdog_timer_set()
30 ssb_extif_watchdog_timer_set(&bus->extif, ticks); in ssb_watchdog_timer_set()
37 int ssb_watchdog_register(struct ssb_bus *bus) in ssb_watchdog_register() argument
42 if (ssb_chipco_available(&bus->chipco)) { in ssb_watchdog_register()
43 wdt.driver_data = &bus->chipco; in ssb_watchdog_register()
46 wdt.max_timer_ms = bus->chipco.max_timer_ms; in ssb_watchdog_register()
47 } else if (ssb_extif_available(&bus->extif)) { in ssb_watchdog_register()
[all …]
H A Dsdio.c104 static inline struct device *ssb_sdio_dev(struct ssb_bus *bus) in ssb_sdio_dev() argument
106 return &bus->host_sdio->dev; in ssb_sdio_dev()
110 static int ssb_sdio_writeb(struct ssb_bus *bus, unsigned int addr, u8 val) in ssb_sdio_writeb() argument
114 sdio_writeb(bus->host_sdio, val, addr, &error); in ssb_sdio_writeb()
116 dev_dbg(ssb_sdio_dev(bus), "%08X <- %02x, error %d\n", in ssb_sdio_writeb()
124 static u8 ssb_sdio_readb(struct ssb_bus *bus, unsigned int addr)
129 val = sdio_readb(bus->host_sdio, addr, &error);
131 dev_dbg(ssb_sdio_dev(bus), "%08X -> %02x, error %d\n",
140 static int ssb_sdio_set_sbaddr_window(struct ssb_bus *bus, u32 address) in ssb_sdio_set_sbaddr_window() argument
144 error = ssb_sdio_writeb(bus, SBSDIO_FUNC1_SBADDRLOW, in ssb_sdio_set_sbaddr_window()
[all …]
/linux/drivers/bcma/
H A Dmain.c3 * Bus subsystem
23 /* contains the number the next bus should get. */
80 static u16 bcma_cc_core_id(struct bcma_bus *bus) in bcma_cc_core_id() argument
82 if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) in bcma_cc_core_id()
87 struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, in bcma_find_core_unit() argument
92 list_for_each_entry(core, &bus->cores, list) { in bcma_find_core_unit()
114 bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); in bcma_wait_value()
192 bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n", in bcma_of_get_irq()
216 struct bcma_bus *bus = core->bus; in bcma_core_irq() local
219 switch (bus->hosttype) { in bcma_core_irq()
[all …]
H A Ddriver_mips.c36 return dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM47162 && in bcma_core_mips_bcm47162a0_quirk()
37 dev->bus->chipinfo.rev == 0 && dev->id.id == BCMA_CORE_MIPS_74K; in bcma_core_mips_bcm47162a0_quirk()
43 return (dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 || in bcma_core_mips_bcm5357b0_quirk()
44 dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) && in bcma_core_mips_bcm5357b0_quirk()
45 dev->bus->chipinfo.pkg == 11 && in bcma_core_mips_bcm5357b0_quirk()
72 struct bcma_device *mdev = dev->bus->drv_mips.core; in bcma_core_mips_irq()
91 struct bcma_bus *bus = dev->bus; in bcma_core_mips_set_irq() local
92 struct bcma_device *mdev = bus->drv_mips.core; in bcma_core_mips_set_irq()
122 list_for_each_entry(core, &bus->cores, list) { in bcma_core_mips_set_irq()
134 bcma_debug(bus, "set_irq: core 0x%04x, irq %d => %d\n", in bcma_core_mips_set_irq()
[all …]
H A Dhost_pci.c16 int win2 = core->bus->host_is_pcie2 ? in bcma_host_pci_switch_core()
19 pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN, in bcma_host_pci_switch_core()
21 pci_write_config_dword(core->bus->host_pci, win2, core->wrap); in bcma_host_pci_switch_core()
22 core->bus->mapped_core = core; in bcma_host_pci_switch_core()
23 bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id); in bcma_host_pci_switch_core()
37 if (core->bus->mapped_core != core) in bcma_host_pci_provide_access_to_core()
45 return ioread8(core->bus->mmio + offset); in bcma_host_pci_read8()
51 return ioread16(core->bus->mmio + offset); in bcma_host_pci_read16()
57 return ioread32(core->bus->mmio + offset); in bcma_host_pci_read32()
64 iowrite8(value, core->bus->mmio + offset); in bcma_host_pci_write8()
[all …]
/linux/arch/powerpc/platforms/pasemi/
H A Dgpio_mdio.c34 #define MDC_PIN(bus) (((struct gpio_priv *)bus->priv)->mdc_pin) argument
35 #define MDIO_PIN(bus) (((struct gpio_priv *)bus->priv)->mdio_pin) argument
37 static inline void mdio_lo(struct mii_bus *bus) in mdio_lo() argument
39 out_le32(gpio_regs+0x10, 1 << MDIO_PIN(bus)); in mdio_lo()
42 static inline void mdio_hi(struct mii_bus *bus) in mdio_hi() argument
44 out_le32(gpio_regs, 1 << MDIO_PIN(bus)); in mdio_hi()
47 static inline void mdc_lo(struct mii_bus *bus) in mdc_lo() argument
49 out_le32(gpio_regs+0x10, 1 << MDC_PIN(bus)); in mdc_lo()
52 static inline void mdc_hi(struct mii_bus *bus) in mdc_hi() argument
54 out_le32(gpio_regs, 1 << MDC_PIN(bus)); in mdc_hi()
[all …]
/linux/drivers/net/wireless/silabs/wfx/
H A Dbus_sdio.c19 #include "bus.h"
55 struct wfx_sdio_priv *bus = priv; in wfx_sdio_copy_from_io() local
65 sdio_addr |= (bus->buf_id_rx + 1) << 7; in wfx_sdio_copy_from_io()
66 ret = sdio_memcpy_fromio(bus->func, dst, sdio_addr, count); in wfx_sdio_copy_from_io()
68 bus->buf_id_rx = (bus->buf_id_rx + 1) % 4; in wfx_sdio_copy_from_io()
75 struct wfx_sdio_priv *bus = priv; in wfx_sdio_copy_to_io() local
85 sdio_addr |= bus->buf_id_tx << 7; in wfx_sdio_copy_to_io()
87 ret = sdio_memcpy_toio(bus->func, sdio_addr, (void *)src, count); in wfx_sdio_copy_to_io()
89 bus->buf_id_tx = (bus->buf_id_tx + 1) % 32; in wfx_sdio_copy_to_io()
96 struct wfx_sdio_priv *bus = priv; in wfx_sdio_lock() local
[all …]
/linux/sound/hda/core/ext/
H A Dcontroller.c25 * @bus: the pointer to HDAC bus object
28 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *bus, bool enable) in snd_hdac_ext_bus_ppcap_enable() argument
31 if (!bus->ppcap) { in snd_hdac_ext_bus_ppcap_enable()
32 dev_err(bus->dev, "Address of PP capability is NULL"); in snd_hdac_ext_bus_ppcap_enable()
37 snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, in snd_hdac_ext_bus_ppcap_enable()
40 snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, in snd_hdac_ext_bus_ppcap_enable()
47 * @bus: the pointer to HDAC bus object
50 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *bus, boo argument
80 snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus * bus) snd_hdac_ext_bus_get_ml_capabilities() argument
124 snd_hdac_ext_link_free_all(struct hdac_bus * bus) snd_hdac_ext_link_free_all() argument
136 snd_hdac_ext_bus_get_hlink_by_id(struct hdac_bus * bus,u32 id) snd_hdac_ext_bus_get_hlink_by_id() argument
154 snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus * bus,int addr) snd_hdac_ext_bus_get_hlink_by_addr() argument
170 snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus * bus,const char * codec_name) snd_hdac_ext_bus_get_hlink_by_name() argument
239 snd_hdac_ext_bus_link_power_up_all(struct hdac_bus * bus) snd_hdac_ext_bus_link_power_up_all() argument
258 snd_hdac_ext_bus_link_power_down_all(struct hdac_bus * bus) snd_hdac_ext_bus_link_power_down_all() argument
297 snd_hdac_ext_bus_link_get(struct hdac_bus * bus,struct hdac_ext_link * hlink) snd_hdac_ext_bus_link_get() argument
339 snd_hdac_ext_bus_link_put(struct hdac_bus * bus,struct hdac_ext_link * hlink) snd_hdac_ext_bus_link_put() argument
399 struct hdac_bus *bus = codec->bus; snd_hdac_ext_bus_link_power() local
[all...]
/linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac/
H A Dbus.h43 /* The level of bus communication with the dongle */
49 /* The level of bus communication with the dongle */
71 * struct brcmf_bus_ops - bus callback operations.
73 * @preinit: execute bus/device specific dongle init commands (optional).
83 * @gettxq: obtain a reference of bus transmit queue (optional).
91 * bus specific driver. For control messages to common driver
114 * struct brcmf_bus_msgbuf - bus ringbuf if in case of msgbuf.
136 * struct brcmf_bus_stats - bus statistic counters.
147 * struct brcmf_bus - interface structure between common and bus layer
149 * @bus_priv: pointer to private bus device.
[all …]
/linux/drivers/spmi/
H A Dspmi-pmic-arb.c135 * struct spmi_pmic_arb_bus - SPMI PMIC Arbiter Bus object
137 * @pmic_arb: the SPMI PMIC Arbiter the bus belongs to.
141 * @spmic: spmi controller registered for this bus
144 * bus instance
146 * particular SPMI bus instance
155 * @id: unique ID of the bus
230 int (*init_apid)(struct spmi_pmic_arb_bus *bus, int index);
231 int (*ppid_to_apid)(struct spmi_pmic_arb_bus *bus, u16 ppid);
233 int (*offset)(struct spmi_pmic_arb_bus *bus, u8 sid, u16 addr,
238 void __iomem *(*owner_acc_status)(struct spmi_pmic_arb_bus *bus, u8 m,
[all …]
/linux/drivers/net/phy/
H A Dmdio_bus.c2 /* MDIO Bus interface
67 if (mdiodev->bus->mdio_map[mdiodev->addr]) in mdiobus_register_device()
83 mdiodev->bus->mdio_map[mdiodev->addr] = mdiodev; in mdiobus_register_device()
91 if (mdiodev->bus->mdio_map[mdiodev->addr] != mdiodev) in mdiobus_unregister_device()
97 mdiodev->bus->mdio_map[mdiodev->addr] = NULL; in mdiobus_unregister_device()
103 static struct mdio_device *mdiobus_find_device(struct mii_bus *bus, int addr) in mdiobus_find_device() argument
105 bool addr_valid = addr >= 0 && addr < ARRAY_SIZE(bus->mdio_map); in mdiobus_find_device()
110 return bus->mdio_map[addr]; in mdiobus_find_device()
113 struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr) in mdiobus_get_phy() argument
117 mdiodev = mdiobus_find_device(bus, addr); in mdiobus_get_phy()
[all …]
/linux/Documentation/i2c/
H A Di2c-sysfs.rst12 kernel abstracts the MUX channels into logical I2C bus numbers. However, there
13 is a gap of knowledge to map from the I2C bus physical number and MUX topology
14 to logical I2C bus number. This doc is aimed to fill in this gap, so the
38 so you can find the I2C Sysfs under ``/sys/bus/i2c/devices``
43 the first number is I2C bus number, and the second number is I2C address.
47 blueline:/sys/bus/i2c/devices $ ls
51 ``i2c-2`` is an I2C bus whose number is 2, and ``2-0049`` is an I2C device
52 on bus 2 address 0x49 bound with a kernel driver.
59 (Physical) I2C Bus Controller
63 physical I2C bus controllers. The controllers are hardware and physical, and the
[all …]
/linux/sound/soc/intel/avs/
H A Dcore.c43 avs_hda_update_config_dword(struct hdac_bus *bus, u32 reg, u32 mask, u32 value) in avs_hda_update_config_dword()
45 struct pci_dev *pci = to_pci_dev(bus->dev); in avs_hda_update_config_dword()
62 static void avs_hdac_clock_gating_enable(struct hdac_bus *bus, bool enable) in avs_hdac_clock_gating_enable()
64 struct avs_dev *adev = hdac_to_avs(bus); in avs_hdac_clock_gating_enable()
68 avs_hda_update_config_dword(bus, AZX_PCIREG_CGCTL, cgctl_mask, value); in avs_hdac_clock_gating_enable()
90 static int avs_hdac_bus_init_streams(struct hdac_bus *bus) in avs_hdac_bus_init_streams()
95 gcap = snd_hdac_chip_readw(bus, GCAP); in avs_hdac_bus_init_streams()
98 bus->num_streams = cp_streams + pb_streams; in avs_hdac_bus_init_streams()
100 snd_hdac_ext_stream_init_all(bus, 0, cp_streams, SNDRV_PCM_STREAM_CAPTURE); in avs_hdac_bus_init_streams()
101 snd_hdac_ext_stream_init_all(bus, cp_stream in avs_hdac_bus_init_streams()
42 avs_hda_update_config_dword(struct hdac_bus * bus,u32 reg,u32 mask,u32 value) avs_hda_update_config_dword() argument
61 avs_hdac_clock_gating_enable(struct hdac_bus * bus,bool enable) avs_hdac_clock_gating_enable() argument
89 avs_hdac_bus_init_streams(struct hdac_bus * bus) avs_hdac_bus_init_streams() argument
105 avs_hdac_bus_init_chip(struct hdac_bus * bus,bool full_reset) avs_hdac_bus_init_chip() argument
129 probe_codec(struct hdac_bus * bus,int addr) probe_codec() argument
168 avs_hdac_bus_probe_codecs(struct hdac_bus * bus) avs_hdac_bus_probe_codecs() argument
204 struct hdac_bus *bus = &adev->base.core; avs_hda_probe_work() local
254 hdac_update_stream(struct hdac_bus * bus,struct hdac_stream * stream) hdac_update_stream() argument
266 avs_hda_interrupt(struct hdac_bus * bus) avs_hda_interrupt() argument
291 struct hdac_bus *bus = dev_id; avs_hda_irq_handler() local
306 struct hdac_bus *bus = dev_id; avs_hda_irq_thread() local
329 struct hdac_bus *bus = &adev->base.core; avs_dsp_irq_thread() local
344 struct hdac_bus *bus = &adev->base.core; avs_hdac_acquire_irq() local
380 struct hda_bus *bus = &adev->base; avs_bus_init() local
426 struct hdac_bus *bus; avs_pci_probe() local
526 struct hdac_bus *bus = pci_get_drvdata(pci); avs_pci_shutdown() local
548 struct hdac_bus *bus = pci_get_drvdata(pci); avs_pci_remove() local
604 struct hdac_bus *bus = &adev->base.core; avs_suspend_standby() local
620 struct hdac_bus *bus = &adev->base.core; avs_suspend_common() local
665 struct hdac_bus *bus = &adev->base.core; avs_resume_standby() local
681 struct hdac_bus *bus = &adev->base.core; avs_resume_common() local
[all...]
/linux/drivers/net/wireless/quantenna/qtnfmac/
H A Dbus.h44 int (*data_tx)(struct qtnf_bus *bus, struct sk_buff *skb,
47 void (*data_tx_use_meta_set)(struct qtnf_bus *bus, bool use_meta);
71 /* bus private data */
75 static inline bool qtnf_fw_is_up(struct qtnf_bus *bus) in qtnf_fw_is_up() argument
77 enum qtnf_fw_state state = bus->fw_state; in qtnf_fw_is_up()
83 static inline bool qtnf_fw_is_attached(struct qtnf_bus *bus) in qtnf_fw_is_attached() argument
85 enum qtnf_fw_state state = bus->fw_state; in qtnf_fw_is_attached()
92 static inline void *get_bus_priv(struct qtnf_bus *bus) in get_bus_priv() argument
94 if (WARN(!bus, "qtnfmac: invalid bus pointer")) in get_bus_priv()
97 return &bus->bus_priv; in get_bus_priv()
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