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arch/risc-v/src/mpfs/mpfs_i2c.c: Add more error status codes

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Add more error status codes to help debugging in the future.

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
This commit is contained in:
Jukka Laitinen 2024-01-10 08:45:25 +02:00 committed by Xiang Xiao
parent dae31dc866
commit fc4b39b1dd
1 changed files with 8 additions and 6 deletions
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14
arch/risc-v/src/mpfs/mpfs_i2c.c
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@ -83,7 +83,10 @@ typedef enum mpfs_i2c_status
MPFS_I2C_SUCCESS = 0u,
MPFS_I2C_IN_PROGRESS,
MPFS_I2C_FAILED,
MPFS_I2C_TIMED_OUT
MPFS_I2C_FAILED_SLAW_NACK,
MPFS_I2C_FAILED_SLAR_NACK,
MPFS_I2C_FAILED_TX_DATA_NACK,
MPFS_I2C_FAILED_BUS_ERROR,
} mpfs_i2c_status_t;
typedef enum mpfs_i2c_clock_divider
@ -468,7 +471,7 @@ static int mpfs_i2c_irq(int cpuint, void *context, void *arg)
case MPFS_I2C_ST_SLAW_NACK:
modifyreg32(MPFS_I2C_CTRL, 0, MPFS_I2C_CTRL_STO_MASK);
priv->status = MPFS_I2C_FAILED;
priv->status = MPFS_I2C_FAILED_SLAW_NACK;
break;
case MPFS_I2C_ST_SLAW_ACK:
@ -536,7 +539,7 @@ static int mpfs_i2c_irq(int cpuint, void *context, void *arg)
case MPFS_I2C_ST_TX_DATA_NACK:
modifyreg32(MPFS_I2C_CTRL, 0, MPFS_I2C_CTRL_STO_MASK);
priv->status = MPFS_I2C_FAILED;
priv->status = MPFS_I2C_FAILED_TX_DATA_NACK;
break;
case MPFS_I2C_ST_SLAR_ACK: /* SLA+R tx'ed. */
@ -558,7 +561,7 @@ static int mpfs_i2c_irq(int cpuint, void *context, void *arg)
case MPFS_I2C_ST_SLAR_NACK: /* SLA+R tx'ed; send a stop condition */
modifyreg32(MPFS_I2C_CTRL, 0, MPFS_I2C_CTRL_STO_MASK);
priv->status = MPFS_I2C_FAILED;
priv->status = MPFS_I2C_FAILED_SLAR_NACK;
break;
case MPFS_I2C_ST_RX_DATA_ACK:
@ -610,7 +613,6 @@ static int mpfs_i2c_irq(int cpuint, void *context, void *arg)
priv->rx_buffer[priv->rx_idx] = (uint8_t)getreg32(MPFS_I2C_DATA);
priv->rx_idx++;
priv->status = MPFS_I2C_SUCCESS;
modifyreg32(MPFS_I2C_CTRL, 0, MPFS_I2C_CTRL_STO_MASK);
break;
@ -651,7 +653,7 @@ static int mpfs_i2c_irq(int cpuint, void *context, void *arg)
if (priv->status == MPFS_I2C_IN_PROGRESS)
{
priv->status = MPFS_I2C_FAILED;
priv->status = MPFS_I2C_FAILED_BUS_ERROR;
}
break;