diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/common/block/i2c/lpss_i2c.c | 19 | ||||
| -rw-r--r-- | src/soc/intel/quark/i2c.c | 16 |
2 files changed, 19 insertions, 16 deletions
diff --git a/src/soc/intel/common/block/i2c/lpss_i2c.c b/src/soc/intel/common/block/i2c/lpss_i2c.c index 5b188f8c22..711517f6d3 100644 --- a/src/soc/intel/common/block/i2c/lpss_i2c.c +++ b/src/soc/intel/common/block/i2c/lpss_i2c.c @@ -258,7 +258,7 @@ static int lpss_i2c_wait_for_bus_idle(struct lpss_i2c_regs *regs) /* Transfer one byte of one segment, sending stop bit if requested */ static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs, - struct i2c_seg *segment, + struct i2c_msg *segment, size_t byte, int send_stop) { struct stopwatch sw; @@ -266,7 +266,7 @@ static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs, stopwatch_init_usecs_expire(&sw, LPSS_I2C_TIMEOUT_US); - if (!segment->read) { + if (!(segment->flags & I2C_M_RD)) { /* Write op only: Wait for FIFO not full */ while (!(read32(®s->status) & STATUS_TX_FIFO_NOT_FULL)) { if (stopwatch_expired(&sw)) { @@ -283,7 +283,7 @@ static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs, write32(®s->cmd_data, cmd); - if (segment->read) { + if (segment->flags & I2C_M_RD) { /* Read op only: Wait for FIFO data and store it */ while (!(read32(®s->status) & STATUS_RX_FIFO_NOT_EMPTY)) { if (stopwatch_expired(&sw)) { @@ -298,7 +298,8 @@ static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs, } /* Global I2C bus handler, defined in include/i2c.h */ -int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segments, int count) +int platform_i2c_transfer(unsigned int bus, struct i2c_msg *segments, + int count) { struct stopwatch sw; struct lpss_i2c_regs *regs; @@ -325,11 +326,12 @@ int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segments, int count) while (count--) { if (CONFIG_SOC_INTEL_COMMON_LPSS_I2C_DEBUG) printk(BIOS_DEBUG, "i2c %u:%02x %s %d bytes : ", - bus, segments->chip, segments->read ? "R" : "W", + bus, segments->slave, + (segments->flags & I2C_M_RD) ? "R" : "W", segments->len); /* Set target slave address */ - write32(®s->target_addr, segments->chip); + write32(®s->target_addr, segments->slave); /* Read or write each byte in segment */ for (byte = 0; byte < segments->len; byte++) { @@ -341,8 +343,9 @@ int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segments, int count) if (lpss_i2c_transfer_byte(regs, segments, byte, count == 0) < 0) { printk(BIOS_ERR, "I2C %s failed: bus %u " - "addr 0x%02x\n", segments->read ? - "read" : "write", bus, segments->chip); + "addr 0x%02x\n", + (segments->flags & I2C_M_RD) ? + "read" : "write", bus, segments->slave); goto out; } } diff --git a/src/soc/intel/quark/i2c.c b/src/soc/intel/quark/i2c.c index 26017389b8..e8dba5376f 100644 --- a/src/soc/intel/quark/i2c.c +++ b/src/soc/intel/quark/i2c.c @@ -186,8 +186,8 @@ static int platform_i2c_read(uint32_t restart, uint8_t *rx_buffer, int length, return bytes_transferred; } -int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segment, - int seg_count) +int platform_i2c_transfer(unsigned int bus, struct i2c_msg *segment, + int seg_count) { int bytes_transferred; uint8_t chip; @@ -212,9 +212,9 @@ int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segment, printk(BIOS_ERR, "I2C segment[%d]: %s 0x%02x %s 0x%p, 0x%08x bytes\n", index, - segment[index].read ? "Read from" : "Write to", - segment[index].chip, - segment[index].read ? "to " : "from", + (segment[index].flags & I2C_M_RD) ? "Read from" : "Write to", + segment[index].slave, + (segment[index].flags & I2C_M_RD) ? "to " : "from", segment[index].buf, segment[index].len); printk(BIOS_ERR, "I2C %s\n", @@ -243,7 +243,7 @@ int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segment, regs->ic_con = cmd; /* Set the target chip address */ - chip = segment->chip; + chip = segment->slave; regs->ic_tar = chip; /* Enable the I2C controller */ @@ -270,13 +270,13 @@ int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segment, total_bytes += length; ASSERT(segment->buf != NULL); ASSERT(length >= 1); - ASSERT(segment->chip == chip); + ASSERT(segment->slave == chip); /* Determine if this is the last segment of the transaction */ stop = (index == seg_count) ? IC_DATA_CMD_STOP : 0; /* Fill the FIFO with the necessary command bytes */ - if (segment->read) { + if (segment->flags & I2C_M_RD) { /* Place read commands into the FIFO */ rx_buffer = segment->buf; data_bytes = platform_i2c_read(restart, rx_buffer, |