| /linux/drivers/i2c/busses/ |
| H A D | i2c-pasemi-core.c | 63 static inline void reg_write(struct pasemi_smbus *smbus, int reg, int val) in reg_write() argument
65 dev_dbg(smbus->dev, "smbus write reg %x val %08x\n", reg, val); in reg_write()
66 iowrite32(val, smbus->ioaddr + reg); in reg_write()
69 static inline int reg_read(struct pasemi_smbus *smbus, int reg) in reg_read() argument
72 ret = ioread32(smbus->ioaddr + reg); in reg_read()
73 dev_dbg(smbus->dev, "smbus read reg %x val %08x\n", reg, ret); in reg_read()
77 #define TXFIFO_WR(smbus, reg) reg_write((smbus), REG_MTXFIFO, (reg)) argument
78 #define RXFIFO_RD(smbus) reg_read((smbus), REG_MRXFIFO) argument
80 static void pasemi_reset(struct pasemi_smbus *smbus) in pasemi_reset() argument
82 u32 val = (CTL_MTR | CTL_MRR | CTL_UJM | (smbus->clk_div & CTL_CLK_M)); in pasemi_reset()
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| H A D | i2c-amd8111.c | 68 static int amd_ec_wait_write(struct amd_smbus *smbus) in amd_ec_wait_write() argument
72 while ((inb(smbus->base + AMD_EC_SC) & AMD_EC_SC_IBF) && --timeout) in amd_ec_wait_write()
76 dev_warn(&smbus->dev->dev, in amd_ec_wait_write()
84 static int amd_ec_wait_read(struct amd_smbus *smbus) in amd_ec_wait_read() argument
88 while ((~inb(smbus->base + AMD_EC_SC) & AMD_EC_SC_OBF) && --timeout) in amd_ec_wait_read()
92 dev_warn(&smbus->dev->dev, in amd_ec_wait_read()
100 static int amd_ec_read(struct amd_smbus *smbus, unsigned char address, in amd_ec_read() argument
105 status = amd_ec_wait_write(smbus); in amd_ec_read()
108 outb(AMD_EC_CMD_RD, smbus->base + AMD_EC_CMD); in amd_ec_read()
110 status = amd_ec_wait_write(smbus); in amd_ec_read()
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| H A D | i2c-nforce2.c | 74 #define NVIDIA_SMB_PRTCL (smbus->base + 0x00) /* protocol, PEC */
75 #define NVIDIA_SMB_STS (smbus->base + 0x01) /* status */
76 #define NVIDIA_SMB_ADDR (smbus->base + 0x02) /* address */
77 #define NVIDIA_SMB_CMD (smbus->base + 0x03) /* command */
78 #define NVIDIA_SMB_DATA (smbus->base + 0x04) /* 32 data registers */
79 #define NVIDIA_SMB_BCNT (smbus->base + 0x24) /* number of data
81 #define NVIDIA_SMB_STATUS_ABRT (smbus->base + 0x3c) /* register used to
84 #define NVIDIA_SMB_CTRL (smbus->base + 0x3e) /* control register */
122 struct nforce2_smbus *smbus = adap->algo_data; in nforce2_abort() local
141 struct nforce2_smbus *smbus = adap->algo_data; in nforce2_check_status() local
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| H A D | i2c-pasemi-platform.c | 19 struct pasemi_smbus smbus; member
32 data->smbus.clk_div = DIV_ROUND_UP(clk_rate, 16 * frequency); in pasemi_platform_i2c_calc_clk_div()
33 if (data->smbus.clk_div < 4) in pasemi_platform_i2c_calc_clk_div()
34 return dev_err_probe(data->smbus.dev, -EINVAL, in pasemi_platform_i2c_calc_clk_div()
37 if (data->smbus.clk_div > 0xff) in pasemi_platform_i2c_calc_clk_div()
38 return dev_err_probe(data->smbus.dev, -EINVAL, in pasemi_platform_i2c_calc_clk_div()
49 struct pasemi_smbus *smbus; in pasemi_platform_i2c_probe() local
59 smbus = &data->smbus; in pasemi_platform_i2c_probe()
60 smbus->dev = dev; in pasemi_platform_i2c_probe()
62 smbus->ioaddr = devm_platform_ioremap_resource(pdev, 0); in pasemi_platform_i2c_probe()
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| H A D | i2c-pasemi-pci.c | 28 struct pasemi_smbus *smbus; in pasemi_smb_pci_probe() local
36 smbus = devm_kzalloc(&dev->dev, sizeof(*smbus), GFP_KERNEL); in pasemi_smb_pci_probe()
37 if (!smbus) in pasemi_smb_pci_probe()
40 smbus->dev = &dev->dev; in pasemi_smb_pci_probe()
43 smbus->clk_div = CLK_100K_DIV; in pasemi_smb_pci_probe()
49 smbus->hw_rev = PASEMI_HW_REV_PCI; in pasemi_smb_pci_probe()
55 smbus->ioaddr = pcim_iomap(dev, 0, 0); in pasemi_smb_pci_probe()
56 if (!smbus->ioaddr) in pasemi_smb_pci_probe()
59 smbus->adapter.class = I2C_CLASS_HWMON; in pasemi_smb_pci_probe()
60 error = pasemi_i2c_common_probe(smbus); in pasemi_smb_pci_probe()
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| H A D | i2c-pasemi-core.h | 24 int pasemi_i2c_common_probe(struct pasemi_smbus *smbus);
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| H A D | i2c-mlxbf.c | 413 struct mlxbf_i2c_resource *smbus;
705 * Try to acquire the smbus gw lock before any reads of the GW register since in mlxbf_i2c_smbus_start_transaction()
1813 * Send byte to 'external' smbus master. This function is executed when in mlxbf_i2c_get_slave_from_addr()
1814 * an external smbus master wants to read data from the BlueField. in mlxbf_i2c_get_slave_from_addr()
1912 * Receive bytes from 'external' smbus master. This function is executed when in mlxbf_i2c_irq_send()
1913 * an external smbus master wants to write data to the BlueField. in mlxbf_i2c_irq_send()
1938 * Notify the slave backend that an smbus master wants to write data in mlxbf_i2c_irq_recv()
2041 dev_dbg(&adap->dev, "smbus quick, slave 0x%02x\n", addr); in mlxbf_i2c_smbus_xfer()
2048 dev_dbg(&adap->dev, "smbus %s byte, slave 0x%02x.\n", in mlxbf_i2c_smbus_xfer()
2055 dev_dbg(&adap->dev, "smbus in mlxbf_i2c_smbus_xfer()
420 struct mlxbf_i2c_resource *smbus; global() member
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| H A D | i2c-stm32f7.c | 284 bool smbus; member
751 if (!f7_msg->smbus) in stm32f7_i2c_dma_callback()
1636 if (f7_msg->smbus) in stm32f7_i2c_isr_event_thread()
1656 } else if (f7_msg->smbus) { in stm32f7_i2c_isr_event_thread()
1721 f7_msg->smbus = false; in stm32f7_i2c_xfer_core()
1802 f7_msg->smbus = true; in stm32f7_i2c_smbus_xfer()
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| /linux/drivers/i2c/ |
| H A D | Makefile | 8 i2c-core-y := i2c-core-base.o i2c-core-smbus.o
14 obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o
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| H A D | Kconfig | 97 will be called i2c-smbus.
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| /linux/Documentation/devicetree/bindings/hwmon/ |
| H A D | max6697.txt | 20 - smbus-timeout-disable
60 smbus-timeout-disable;
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| /linux/Documentation/i2c/ |
| H A D | dev-interface.rst | 28 #include <i2c/smbus.h>
151 You can do SMBus level transactions (see documentation file smbus-protocol.rst
201 performs an SMBus transaction using i2c-core-smbus.c:i2c_smbus_xfer().
214 i2c-core-smbus.c:i2c_smbus_xfer() calls either
216 i2c-core-smbus.c:i2c_smbus_xfer_emulated() which in turn calls
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| H A D | index.rst | 15 smbus-protocol
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| /linux/drivers/input/mouse/ |
| H A D | cyapa.c | 170 bool smbus = false; in cyapa_get_state() local
186 * On smbus systems in OP mode, the i2c_reg_read will fail with in cyapa_get_state()
187 * -ETIMEDOUT. In this case, try again using the smbus equivalent in cyapa_get_state()
190 if (cyapa->smbus && (error == -ETIMEDOUT || error == -ENXIO)) { in cyapa_get_state()
194 smbus = true; in cyapa_get_state()
226 !smbus && even_addr) { in cyapa_get_state()
237 if (!smbus) { in cyapa_get_state()
251 } while (--retries > 0 && !smbus); in cyapa_get_state()
1264 /* i2c isn't supported, use smbus */ in cyapa_probe()
1266 cyapa->smbus in cyapa_probe()
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| H A D | Makefile | 41 psmouse-$(CONFIG_MOUSE_PS2_SMBUS) += psmouse-smbus.o
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| H A D | cyapa_gen3.c | 281 if (cyapa->smbus) { in cyapa_read_byte()
294 if (cyapa->smbus) { in cyapa_write_byte()
320 if (cyapa->smbus) { in cyapa_read_block()
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| H A D | cyapa.h | 341 bool smbus; member
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| /linux/drivers/rtc/ |
| H A D | rtc-rs5c372.c | 128 unsigned smbus:1; member
156 if (rs5c->smbus) { in rs5c_get_regs()
837 rs5c372->smbus = smbus_mode; in rs5c372_probe()
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| /linux/drivers/usb/host/ |
| H A D | pci-quirks.c | 471 struct pci_dev *nb, *smbus; in usb_amd_dev_put() local
484 smbus = amd_chipset.smbus_dev; in usb_amd_dev_put()
496 pci_dev_put(smbus); in usb_amd_dev_put()
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| /linux/Documentation/driver-api/ |
| H A D | i2c.rst | 47 .. kernel-doc:: drivers/i2c/i2c-core-smbus.c
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| H A D | ipmb.rst | 78 If xmit of data to be done using raw i2c block vs smbus
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| /linux/include/trace/events/ |
| H A D | smbus.h | 8 #define TRACE_SYSTEM smbus
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| /linux/arch/arm/boot/dts/microchip/ |
| H A D | at91-nattis-2-natte-2.dts | 189 smbus-timeout-disable;
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| H A D | at91-tse850-3.dts | 204 smbus-timeout-disable;
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| /linux/arch/arm/boot/dts/aspeed/ |
| H A D | aspeed-bmc-asrock-spc621d8hm3.dts | 125 /* M.2 slot smbus mux */
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