Searched refs:SDA (Results 1 – 9 of 9) sorted by relevance
| /drivers/i2c/busses/ |
| A D | i2c-acorn.c | 20 #define SDA 0x01 macro
32 u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA); in ioc_setscl()
47 u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA); in ioc_setsda()
51 ones |= SDA; in ioc_setsda()
53 ones &= ~SDA; in ioc_setsda()
67 return (ioc_readb(IOC_CONTROL) & SDA) != 0; in ioc_getsda()
87 force_ones = FORCE_ONES | SCL | SDA; in i2c_ioc_init()
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| A D | i2c-versatile.c | 21 #define SDA (1 << 1) macro
33 writel(SDA, i2c->base + (state ? I2C_CONTROLS : I2C_CONTROLC)); in i2c_versatile_setsda()
46 return !!(readl(i2c->base + I2C_CONTROL) & SDA); in i2c_versatile_getsda()
77 writel(SCL | SDA, i2c->base + I2C_CONTROLS); in i2c_versatile_probe()
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| A D | Kconfig | 696 arch-neutral GPIO API to control the SCL and SDA lines.
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| /drivers/gpu/drm/amd/display/dc/dce/ |
| A D | dce_i2c_sw.c | 30 #define SDA true macro
130 write_bit_to_ddc(ddc_handle, SDA, true); in write_byte_sw()
141 ack = !read_bit_from_ddc(ddc_handle, SDA); in write_byte_sw()
173 if (read_bit_from_ddc(ddc_handle, SDA)) in read_byte_sw()
193 write_bit_to_ddc(ddc_handle, SDA, !more); in read_byte_sw()
206 write_bit_to_ddc(ddc_handle, SDA, true); in read_byte_sw()
227 write_bit_to_ddc(ddc_handle, SDA, false); in stop_sync_sw()
236 write_bit_to_ddc(ddc_handle, SDA, true); in stop_sync_sw()
241 if (read_bit_from_ddc(ddc_handle, SDA)) in stop_sync_sw()
312 write_bit_to_ddc(ddc_handle, SDA, true); in start_sync_sw()
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| /drivers/rtc/ |
| A D | rtc-rs5c313.c | 71 #define SDA SCSPTR1_SPB1DT macro
108 scsptr1_data = (scsptr1_data & ~SDA) | in rs5c313_write_data()
135 data |= ((__raw_readb(SCSPTR1) & SDA) >> 2) << (7 - i); in rs5c313_read_data()
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| /drivers/gpu/drm/amd/display/dc/gpio/ |
| A D | ddc_regs.h | 173 DDC_I2C_REG_LIST(SDA)\
192 DDC_I2C_REG_LIST_DCN2(SDA)\
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| /drivers/scsi/ |
| A D | nsp32.c | 3207 if (bit != SDA) { in nsp32_prom_get()
3230 nsp32_prom_set(data, SDA, 1); in nsp32_prom_start()
3232 nsp32_prom_set(data, SDA, 0); /* keeping SCL=1 and transiting in nsp32_prom_start()
3241 nsp32_prom_set(data, SDA, 0); in nsp32_prom_stop()
3243 nsp32_prom_set(data, SDA, 1); in nsp32_prom_stop()
3250 nsp32_prom_set(data, SDA, val); in nsp32_prom_write_bit()
3263 val = nsp32_prom_get(data, SDA); in nsp32_prom_read_bit()
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| A D | nsp32.h | 394 # define SDA BIT(2) macro
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| /drivers/auxdisplay/ |
| A D | Kconfig | 221 (SDA/SCL), while parallel ones use 2 or 3 wires for the control signals
287 int "Parallel port pin number & polarity connected to the LCD SDA signal (-17...17) "
292 LCD 'SDA' signal has been connected. It can be :
298 Default for the 'SDA' pin in custom profile is '2' (D0).
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