/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: etraxi2c.h,v 1.1 2001/01/18 15:49:57 bjornw Exp $ */ #ifndef _LINUX_ETRAXI2C_H #define _LINUX_ETRAXI2C_H /* etraxi2c _IOC_TYPE, bits 8 to 15 in ioctl cmd */ #define ETRAXI2C_IOCTYPE 44 /* supported ioctl _IOC_NR's */ /* in write operations, the argument contains both i2c * slave, register and value. */ #define I2C_WRITEARG(slave, reg, value) (((slave) << 16) | ((reg) << 8) | (value)) #define I2C_READARG(slave, reg) (((slave) << 16) | ((reg) << 8)) #define I2C_ARGSLAVE(arg) ((arg) >> 16) #define I2C_ARGREG(arg) (((arg) >> 8) & 0xff) #define I2C_ARGVALUE(arg) ((arg) & 0xff) #define I2C_WRITEREG 0x1 /* write to an i2c register */ #define I2C_READREG 0x2 /* read from an i2c register */ /* EXAMPLE usage: i2c_arg = I2C_WRITEARG(STA013_WRITE_ADDR, reg, val); ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg); i2c_arg = I2C_READARG(STA013_READ_ADDR, reg); val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg); */ #endif
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Kbuild | File | 729 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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axisflashmap.h | File | 1.92 KB | 0644 |
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bitops.h | File | 1.27 KB | 0644 |
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bug.h | File | 108 B | 0644 |
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bugs.h | File | 300 B | 0644 |
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cache.h | File | 133 B | 0644 |
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cacheflush.h | File | 1.3 KB | 0644 |
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checksum.h | File | 2.01 KB | 0644 |
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delay.h | File | 537 B | 0644 |
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dma-mapping.h | File | 399 B | 0644 |
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dma.h | File | 458 B | 0644 |
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eshlibld.h | File | 3.49 KB | 0644 |
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etraxi2c.h | File | 1019 B | 0644 |
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fasttimer.h | File | 1.12 KB | 0644 |
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fb.h | File | 244 B | 0644 |
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ftrace.h | File | 12 B | 0644 |
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hw_irq.h | File | 53 B | 0644 |
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io.h | File | 732 B | 0644 |
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irq.h | File | 194 B | 0644 |
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irqflags.h | File | 27 B | 0644 |
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mmu.h | File | 155 B | 0644 |
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mmu_context.h | File | 927 B | 0644 |
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page.h | File | 2.52 KB | 0644 |
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pci.h | File | 1.05 KB | 0644 |
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pgalloc.h | File | 1.36 KB | 0644 |
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pgtable.h | File | 9.58 KB | 0644 |
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processor.h | File | 1.82 KB | 0644 |
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ptrace.h | File | 393 B | 0644 |
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segment.h | File | 148 B | 0644 |
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serial.h | File | 211 B | 0644 |
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shmparam.h | File | 232 B | 0644 |
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signal.h | File | 505 B | 0644 |
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stacktrace.h | File | 213 B | 0644 |
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string.h | File | 508 B | 0644 |
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swab.h | File | 159 B | 0644 |
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switch_to.h | File | 449 B | 0644 |
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termios.h | File | 1.71 KB | 0644 |
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thread_info.h | File | 2.47 KB | 0644 |
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timex.h | File | 433 B | 0644 |
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tlb.h | File | 453 B | 0644 |
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tlbflush.h | File | 1.09 KB | 0644 |
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uaccess.h | File | 9.59 KB | 0644 |
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ucontext.h | File | 322 B | 0644 |
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unaligned.h | File | 345 B | 0644 |
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unistd.h | File | 972 B | 0644 |
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user.h | File | 2.14 KB | 0644 |
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