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/linux/drivers/usb/typec/tcpm/
H A Dtcpm.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2015-2017 Google, Inc
213 VDM_STATE_ERR_BUSY = -3,
214 VDM_STATE_ERR_SEND = -2,
215 VDM_STATE_ERR_TMOUT = -1,
244 * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0,
284 * @min_volt: Actual min voltage at the local port
285 * @req_min_volt: Requested min voltage to the port partner
286 * @max_volt: Actual max voltage at the local port
287 * @req_max_volt: Requested max voltage to the port partner
[all …]
/linux/drivers/usb/host/
H A Dxhci-dbgtty.c1 // SPDX-License-Identifier: GPL-2.0
3 * xhci-dbgtty.c - tty glue for xHCI debug capability
16 #include "xhci-dbgcap.h"
24 return dbc->priv; in dbc_to_port()
28 dbc_kfifo_to_req(struct dbc_port *port, char *packet) in dbc_kfifo_to_req() argument
32 len = kfifo_len(&port->port.xmit_fifo); in dbc_kfifo_to_req()
39 if (port->tx_boundary) in dbc_kfifo_to_req()
40 len = min(port->tx_boundary, len); in dbc_kfifo_to_req()
42 len = kfifo_out(&port->port.xmit_fifo, packet, len); in dbc_kfifo_to_req()
44 if (port->tx_boundary) in dbc_kfifo_to_req()
[all …]
/linux/drivers/scsi/libsas/
H A Dsas_port.c1 // SPDX-License-Identifier: GPL-2.0
3 * Serial Attached SCSI (SAS) Port class
15 static bool phy_is_wideport_member(struct asd_sas_port *port, struct asd_sas_phy *phy) in phy_is_wideport_member() argument
17 struct sas_ha_struct *sas_ha = phy->ha; in phy_is_wideport_member()
19 if (memcmp(port->attached_sas_addr, phy->attached_sas_addr, in phy_is_wideport_member()
20 SAS_ADDR_SIZE) != 0 || (sas_ha->strict_wide_ports && in phy_is_wideport_member()
21 memcmp(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE) != 0)) in phy_is_wideport_member()
29 struct asd_sas_port *port = phy->port; in sas_resume_port() local
30 struct sas_ha_struct *sas_ha = phy->ha; in sas_resume_port()
31 struct sas_internal *si = to_sas_internal(sas_ha->shost->transportt); in sas_resume_port()
[all …]
/linux/drivers/char/
H A Dvirtio_console.c1 // SPDX-License-Identifier: GPL-2.0-or-later
28 #include <linux/dma-mapping.h>
44 /* Used for exporting per-port information to debugfs */
57 .name = "virtio-ports",
68 /* The hvc device associated with this console port */
114 * This is a per-device struct that stores data common to all the
115 * ports for that device (vdev->priv).
145 * guest->host transfers, one for host->guest transfers
150 * A control packet buffer for guest->host requests, protected
155 /* Array of per-port IO virtqueues */
[all …]
/linux/drivers/tty/serial/
H A Dmilbeaut_usio.c1 // SPDX-License-Identifier: GPL-2.0
15 #define USIO_NAME "mlb-usio-uart"
65 static void mlb_usio_stop_tx(struct uart_port *port) in mlb_usio_stop_tx() argument
67 writew(readw(port->membase + MLB_USIO_REG_FCR) & ~MLB_USIO_FCR_FTIE, in mlb_usio_stop_tx()
68 port->membase + MLB_USIO_REG_FCR); in mlb_usio_stop_tx()
69 writeb(readb(port->membase + MLB_USIO_REG_SCR) & ~MLB_USIO_SCR_TBIE, in mlb_usio_stop_tx()
70 port->membase + MLB_USIO_REG_SCR); in mlb_usio_stop_tx()
73 static void mlb_usio_tx_chars(struct uart_port *port) in mlb_usio_tx_chars() argument
75 struct tty_port *tport = &port->state->port; in mlb_usio_tx_chars()
78 writew(readw(port->membase + MLB_USIO_REG_FCR) & ~MLB_USIO_FCR_FTIE, in mlb_usio_tx_chars()
[all …]
H A Dtimbuart.c1 // SPDX-License-Identifier: GPL-2.0
25 struct uart_port port; member
35 static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier);
39 static void timbuart_stop_rx(struct uart_port *port) in timbuart_stop_rx() argument
42 u32 ier = ioread32(port->membase + TIMBUART_IER) & ~RXFLAGS; in timbuart_stop_rx()
43 iowrite32(ier, port->membase + TIMBUART_IER); in timbuart_stop_rx()
46 static void timbuart_stop_tx(struct uart_port *port) in timbuart_stop_tx() argument
49 u32 ier = ioread32(port->membase + TIMBUART_IER) & ~TXBAE; in timbuart_stop_tx()
50 iowrite32(ier, port->membase + TIMBUART_IER); in timbuart_stop_tx()
53 static void timbuart_start_tx(struct uart_port *port) in timbuart_start_tx() argument
[all …]
H A Dmeson_uart.c1 // SPDX-License-Identifier: GPL-2.0
89 static void meson_uart_set_mctrl(struct uart_port *port, unsigned int mctrl) in meson_uart_set_mctrl() argument
93 static unsigned int meson_uart_get_mctrl(struct uart_port *port) in meson_uart_get_mctrl() argument
98 static unsigned int meson_uart_tx_empty(struct uart_port *port) in meson_uart_tx_empty() argument
102 val = readl(port->membase + AML_UART_STATUS); in meson_uart_tx_empty()
107 static void meson_uart_stop_tx(struct uart_port *port) in meson_uart_stop_tx() argument
111 val = readl(port->membase + AML_UART_CONTROL); in meson_uart_stop_tx()
113 writel(val, port->membase + AML_UART_CONTROL); in meson_uart_stop_tx()
116 static void meson_uart_stop_rx(struct uart_port *port) in meson_uart_stop_rx() argument
120 val = readl(port->membase + AML_UART_CONTROL); in meson_uart_stop_rx()
[all …]
H A Dbcm63xx_uart.c1 // SPDX-License-Identifier: GPL-2.0
37 * - rx fifo full
38 * - rx fifo above threshold
39 * - rx fifo not empty for too long
53 * - tx fifo empty
54 * - tx fifo below threshold
73 static inline unsigned int bcm_uart_readl(struct uart_port *port, in bcm_uart_readl() argument
76 return __raw_readl(port->membase + offset); in bcm_uart_readl()
79 static inline void bcm_uart_writel(struct uart_port *port, in bcm_uart_writel() argument
82 __raw_writel(value, port->membase + offset); in bcm_uart_writel()
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H A Daltera_uart.c1 // SPDX-License-Identifier: GPL-2.0+
3 * altera_uart.c -- Altera UART driver
5 * Based on mcf.c -- Freescale ColdFire UART driver
7 * (C) Copyright 2003-2007, Greg Ungerer <gerg@snapgear.com>
53 #define ALTERA_UART_STATUS_DCTS_MSK 0x0400 /* CTS logic-level change */
74 * Local per-uart structure.
77 struct uart_port port; member
83 static u32 altera_uart_readl(struct uart_port *port, int reg) in altera_uart_readl() argument
85 return readl(port->membase + (reg << port->regshift)); in altera_uart_readl()
88 static void altera_uart_writel(struct uart_port *port, u32 dat, int reg) in altera_uart_writel() argument
[all …]
H A Dsprd_serial.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2012-2015 Spreadtrum Communications Inc.
10 #include <linux/dma-mapping.h>
11 #include <linux/dma/sprd-dma.h>
131 struct uart_port port; member
144 static int sprd_start_dma_rx(struct uart_port *port);
145 static int sprd_tx_dma_config(struct uart_port *port);
159 static inline unsigned int serial_in(struct uart_port *port, in serial_in() argument
162 return readl_relaxed(port->membase + offset); in serial_in()
165 static inline void serial_out(struct uart_port *port, unsigned int offset, in serial_out() argument
[all …]
H A Drda-uart.c1 // SPDX-License-Identifier: GPL-2.0+
117 struct uart_port port; member
121 #define to_rda_uart_port(port) container_of(port, struct rda_uart_port, port) argument
125 static inline void rda_uart_write(struct uart_port *port, u32 val, in rda_uart_write() argument
128 writel(val, port->membase + off); in rda_uart_write()
131 static inline u32 rda_uart_read(struct uart_port *port, unsigned int off) in rda_uart_read() argument
133 return readl(port->membase + off); in rda_uart_read()
136 static unsigned int rda_uart_tx_empty(struct uart_port *port) in rda_uart_tx_empty() argument
142 uart_port_lock_irqsave(port, &flags); in rda_uart_tx_empty()
144 val = rda_uart_read(port, RDA_UART_STATUS); in rda_uart_tx_empty()
[all …]
H A Desp32_acm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 #define DRIVER_NAME "esp32s3-acm"
41 .compatible = "esp,esp32s3-acm",
48 static void esp32s3_acm_write(struct uart_port *port, unsigned long reg, u32 v) in esp32s3_acm_write() argument
50 writel(v, port->membase + reg); in esp32s3_acm_write()
53 static u32 esp32s3_acm_read(struct uart_port *port, unsigned long reg) in esp32s3_acm_read() argument
55 return readl(port->membase + reg); in esp32s3_acm_read()
58 static u32 esp32s3_acm_tx_fifo_free(struct uart_port *port) in esp32s3_acm_tx_fifo_free() argument
60 u32 status = esp32s3_acm_read(port, USB_SERIAL_JTAG_EP1_CONF_REG); in esp32s3_acm_tx_fifo_free()
65 static u32 esp32s3_acm_tx_fifo_cnt(struct uart_port *port) in esp32s3_acm_tx_fifo_cnt() argument
[all …]
H A Datmel_serial.c1 // SPDX-License-Identifier: GPL-2.0+
18 #include <linux/clk-provider.h>
24 #include <linux/dma-mapping.h>
40 /* Revisit: We should calculate this based on the actual port settings */
57 static void atmel_start_rx(struct uart_port *port);
58 static void atmel_stop_rx(struct uart_port *port);
62 /* Use device name ttyAT, major 204 and minor 154-169. This is necessary if we
71 /* Use device name ttyS, major 4, minor 64-68. This is the usual serial port
104 * at91: 6 USARTs and one DBGU port (SAM9260)
110 * We wrap our port structure around the generic uart_port.
[all …]
H A Desp32_uart.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 #define DRIVER_NAME "esp32-uart"
93 struct uart_port port; member
128 .compatible = "esp,esp32-uart",
131 .compatible = "esp,esp32s3-uart",
139 static const struct esp32_uart_variant *port_variant(struct uart_port *port) in port_variant() argument
141 return port->private_data; in port_variant()
144 static void esp32_uart_write(struct uart_port *port, unsigned long reg, u32 v) in esp32_uart_write() argument
146 writel(v, port->membase + reg); in esp32_uart_write()
149 static u32 esp32_uart_read(struct uart_port *port, unsigned long reg) in esp32_uart_read() argument
[all …]
H A Dliteuart.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2019-2020 Antmicro <www.antmicro.com>
25 * The definitions below are true for LiteX SoC configured for 8-bit CSR Bus,
26 * 32-bit aligned.
46 struct uart_port port; member
51 #define to_liteuart_port(port) container_of(port, struct liteuart_port, port) argument
71 static void liteuart_update_irq_reg(struct uart_port *port, bool set, u8 mask) in liteuart_update_irq_reg() argument
73 struct liteuart_port *uart = to_liteuart_port(port); in liteuart_update_irq_reg()
76 uart->irq_reg |= mask; in liteuart_update_irq_reg()
78 uart->irq_reg &= ~mask; in liteuart_update_irq_reg()
[all …]
H A Ddigicolor-usart.c1 // SPDX-License-Identifier: GPL-2.0+
77 struct uart_port port; member
83 static bool digicolor_uart_tx_full(struct uart_port *port) in digicolor_uart_tx_full() argument
85 return !!(readb_relaxed(port->membase + UA_STATUS_FIFO) & in digicolor_uart_tx_full()
89 static bool digicolor_uart_rx_empty(struct uart_port *port) in digicolor_uart_rx_empty() argument
91 return !!(readb_relaxed(port->membase + UA_STATUS_FIFO) & in digicolor_uart_rx_empty()
95 static void digicolor_uart_stop_tx(struct uart_port *port) in digicolor_uart_stop_tx() argument
97 u8 int_enable = readb_relaxed(port->membase + UA_INT_ENABLE); in digicolor_uart_stop_tx()
100 writeb_relaxed(int_enable, port->membase + UA_INT_ENABLE); in digicolor_uart_stop_tx()
103 static void digicolor_uart_start_tx(struct uart_port *port) in digicolor_uart_start_tx() argument
[all …]
H A Dlpc32xx_hs.c1 // SPDX-License-Identifier: GPL-2.0+
28 #include <linux/soc/nxp/lpc32xx-misc.h>
88 struct uart_port port; member
97 static void wait_for_xmit_empty(struct uart_port *port) in wait_for_xmit_empty() argument
103 port->membase))) == 0) in wait_for_xmit_empty()
105 if (--timeout == 0) in wait_for_xmit_empty()
111 static void wait_for_xmit_ready(struct uart_port *port) in wait_for_xmit_ready() argument
117 port->membase))) < 32) in wait_for_xmit_ready()
119 if (--timeout == 0) in wait_for_xmit_ready()
125 static void lpc32xx_hsuart_console_putchar(struct uart_port *port, unsigned char ch) in lpc32xx_hsuart_console_putchar() argument
[all …]
/linux/drivers/usb/gadget/function/
H A Du_serial.c1 // SPDX-License-Identifier: GPL-2.0+
3 * u_serial.c - utilities for USB gadget "serial port"/TTY support
10 * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com)
39 * "serial port" functionality through the USB gadget stack. Each such
40 * port is exposed through a /dev/ttyGS* node.
42 * After this module has been loaded, the individual TTY port can be requested
46 * host issues a config change event. Data can only flow when the port is
49 * A given TTY port can be made available in multiple configurations.
56 * Configurations may expose more than one TTY port. For example, if
67 * gserial <---> gs_port ... links will be null when the USB link is
[all …]
/linux/drivers/scsi/bfa/
H A Dbfa_port.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4 * Copyright (c) 2014- QLogic Corporation.
8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
18 BFA_TRC_FILE(CNA, PORT);
21 bfa_port_stats_swap(struct bfa_port_s *port, union bfa_port_stats_u *stats) in bfa_port_stats_swap() argument
45 * @param[in] port - Pointer to the port module
46 * status - Return status from the f/w
51 bfa_port_enable_isr(struct bfa_port_s *port, bfa_status_t status) in bfa_port_enable_isr() argument
53 bfa_trc(port, status); in bfa_port_enable_isr()
[all …]
/linux/drivers/usb/serial/
H A Dgeneric.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2010 - 2013 Johan Hovold (jhovold@gmail.com)
6 * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com)
40 struct device *dev = &serial->interface->dev; in usb_serial_generic_probe()
42 dev_info(dev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n"); in usb_serial_generic_probe()
43 dev_info(dev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n"); in usb_serial_generic_probe()
51 struct device *dev = &serial->interface->dev; in usb_serial_generic_calc_num_ports()
54 num_ports = max(epds->num_bulk_in, epds->num_bulk_out); in usb_serial_generic_calc_num_ports()
58 return -ENODEV; in usb_serial_generic_calc_num_ports()
105 int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port) in usb_serial_generic_open() argument
[all …]
/linux/drivers/tty/
H A Dvcc.c1 // SPDX-License-Identifier: GPL-2.0
46 /* Microseconds that thread will delay waiting for a vcc port ref */
53 #define VCC_CTL_BREAK -1
54 #define VCC_CTL_HUP -2
108 * vcc_table_add() - Add VCC port to the VCC table
109 * @port: pointer to the VCC port
111 * Return: index of the port in the VCC table on success,
112 * -1 on failure
114 static int vcc_table_add(struct vcc_port *port) in vcc_table_add() argument
122 vcc_table[i] = port; in vcc_table_add()
[all …]
/linux/drivers/net/wan/
H A Dhd64572.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Hitachi (now Renesas) SCA-II HD64572 driver for Linux
5 * Copyright (C) 1998-2008 Krzysztof Halasa <khc@pm.waw.pl>
7 * Source of information: HD64572 SCA-II User's Manual
11 * Packet buffer descriptor rings - starting from card->rambase:
17 * Packet data buffers - starting from card->rambase + buff_offset:
44 #define get_msci(port) ((port)->chan ? MSCI1_OFFSET : MSCI0_OFFSET) argument
45 #define get_dmac_rx(port) ((port)->chan ? DMAC1RX_OFFSET : DMAC0RX_OFFSET) argument
46 #define get_dmac_tx(port) ((port)->chan ? DMAC1TX_OFFSET : DMAC0TX_OFFSET) argument
48 #define sca_in(reg, card) readb((card)->scabase + (reg))
[all …]
/linux/drivers/pci/controller/
H A Dpcie-xilinx-dma-pl.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/irqchip/irq-msi-lib.h>
19 #include "pcie-xilinx-common.h"
62 /* Root Port Error Register definitions */
67 /* Root Port Interrupt Register definitions */
70 /* Root Port Status/control Register definitions */
86 * struct xilinx_pl_dma_variant - PL DMA PCIe variant information
102 * struct pl_dma_pcie - PCIe port information
133 static inline u32 pcie_read(struct pl_dma_pcie *port, u32 reg) in pcie_read() argument
135 if (port->variant->version == QDMA) in pcie_read()
[all …]
/linux/drivers/media/pci/smipcie/
H A Dsmipcie-main.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 /* set port mux.*/ in smi_hw_init()
32 /* Port A */ in smi_hw_init()
40 /* Port B */ in smi_hw_init()
184 i2c_set_adapdata(&dev->i2c_bus[0], dev); in smi_i2c_init()
185 strscpy(dev->i2c_bus[0].name, "SMI-I2C0", sizeof(dev->i2c_bus[0].name)); in smi_i2c_init()
186 dev->i2c_bus[0].owner = THIS_MODULE; in smi_i2c_init()
187 dev->i2c_bus[0].dev.parent = &dev->pci_dev->dev; in smi_i2c_init()
188 dev->i2c_bus[0].algo_data = &dev->i2c_bit[0]; in smi_i2c_init()
189 dev->i2c_bit[0].data = dev; in smi_i2c_init()
[all …]
/linux/sound/core/seq/
H A Dseq_ports.c1 // SPDX-License-Identifier: GPL-2.0-or-later
24 NOTE: the current implementation of the port structure as a linked list is
26 subscribers of a port we first need to find the address of the port
36 dynamicly kmalloced. When a port is added or deleted we can simply allocate
43 /* return pointer to port structur
47 struct snd_seq_client_port *port; snd_seq_port_use_ptr() local
69 struct snd_seq_client_port *port, *found; snd_seq_port_query_nearest() local
114 snd_seq_create_port(struct snd_seq_client * client,int port,struct snd_seq_client_port ** port_ret) snd_seq_create_port() argument
213 clear_subscriber_list(struct snd_seq_client * client,struct snd_seq_client_port * port,struct snd_seq_port_subs_info * grp,int is_src) clear_subscriber_list() argument
251 port_delete(struct snd_seq_client * client,struct snd_seq_client_port * port) port_delete() argument
273 snd_seq_delete_port(struct snd_seq_client * client,int port) snd_seq_delete_port() argument
299 struct snd_seq_client_port *port, *tmp; snd_seq_delete_all_ports() local
325 snd_seq_set_port_info(struct snd_seq_client_port * port,struct snd_seq_port_info * info) snd_seq_set_port_info() argument
371 snd_seq_get_port_info(struct snd_seq_client_port * port,struct snd_seq_port_info * info) snd_seq_get_port_info() argument
427 subscribe_port(struct snd_seq_client * client,struct snd_seq_client_port * port,struct snd_seq_port_subs_info * grp,struct snd_seq_port_subscribe * info,int send_ack) subscribe_port() argument
452 unsubscribe_port(struct snd_seq_client * client,struct snd_seq_client_port * port,struct snd_seq_port_subs_info * grp,struct snd_seq_port_subscribe * info,int send_ack) unsubscribe_port() argument
495 check_and_subscribe_port(struct snd_seq_client * client,struct snd_seq_client_port * port,struct snd_seq_subscribers * subs,bool is_src,bool exclusive,bool ack) check_and_subscribe_port() argument
540 __delete_and_unsubscribe_port(struct snd_seq_client * client,struct snd_seq_client_port * port,struct snd_seq_subscribers * subs,bool is_src,bool ack) __delete_and_unsubscribe_port() argument
562 delete_and_unsubscribe_port(struct snd_seq_client * client,struct snd_seq_client_port * port,struct snd_seq_subscribers * subs,bool is_src,bool ack) delete_and_unsubscribe_port() argument
716 snd_seq_event_port_detach(int client,int port) snd_seq_event_port_detach() argument
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