diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/qualcomm/ipq40xx/i2c.c | 8 | ||||
| -rw-r--r-- | src/soc/qualcomm/ipq40xx/qup.c | 42 |
2 files changed, 24 insertions, 26 deletions
diff --git a/src/soc/qualcomm/ipq40xx/i2c.c b/src/soc/qualcomm/ipq40xx/i2c.c index a2634acdf2..772bf8b631 100644 --- a/src/soc/qualcomm/ipq40xx/i2c.c +++ b/src/soc/qualcomm/ipq40xx/i2c.c @@ -44,7 +44,7 @@ static qup_config_t blsp1_qup0_config = { QUP_MINICORE_I2C_MASTER, 100000, 19050000, - QUP_MODE_FIFO, + QUP_MODE_BLOCK, 0 }; @@ -52,7 +52,7 @@ static qup_config_t blsp1_qup1_config = { QUP_MINICORE_I2C_MASTER, 100000, 19050000, - QUP_MODE_FIFO, + QUP_MODE_BLOCK, 0 }; @@ -60,7 +60,7 @@ static qup_config_t blsp1_qup2_config = { QUP_MINICORE_I2C_MASTER, 100000, 19050000, - QUP_MODE_FIFO, + QUP_MODE_BLOCK, 0 }; @@ -68,7 +68,7 @@ static qup_config_t blsp1_qup3_config = { QUP_MINICORE_I2C_MASTER, 100000, 19050000, - QUP_MODE_FIFO, + QUP_MODE_BLOCK, 0 }; diff --git a/src/soc/qualcomm/ipq40xx/qup.c b/src/soc/qualcomm/ipq40xx/qup.c index 63b37ef7b4..d2c1f282b6 100644 --- a/src/soc/qualcomm/ipq40xx/qup.c +++ b/src/soc/qualcomm/ipq40xx/qup.c @@ -198,10 +198,11 @@ static qup_return_t qup_i2c_write_fifo(blsp_qup_id_t id, qup_data_t *p_tx_obj, unsigned data_len = p_tx_obj->p.iic.data_len; unsigned idx = 0; uint32_t tag, *fifo = QUP_ADDR(id, QUP_OUTPUT_FIFO); - const uint32_t *fifo_end = fifo + QUP_OUTPUT_FIFO_SIZE / sizeof(*fifo); qup_reset_master_status(id); + qup_write32(QUP_ADDR(id, QUP_MX_OUTPUT_COUNT), data_len + 1); + qup_set_state(id, QUP_STATE_RUN); /* @@ -224,7 +225,6 @@ static qup_return_t qup_i2c_write_fifo(blsp_qup_id_t id, qup_data_t *p_tx_obj, idx++; qup_write32(fifo, tag); - fifo++; while (data_len) { @@ -242,19 +242,12 @@ static qup_return_t qup_i2c_write_fifo(blsp_qup_id_t id, qup_data_t *p_tx_obj, } qup_write32(fifo, tag); - fifo++; - - if ((fifo >= fifo_end) && data_len) { - - fifo = QUP_ADDR(id, QUP_OUTPUT_FIFO); - ret = qup_i2c_write_fifo_flush(id); - - if (ret) { - printk(BIOS_DEBUG, "%s: error\n", __func__); - return ret; - } + ret = qup_i2c_write_fifo_flush(id); + if (ret) { + printk(QUPDBG "%s: error\n", __func__); + return ret; } } @@ -272,6 +265,7 @@ static qup_return_t qup_i2c_write(blsp_qup_id_t id, uint8_t mode, switch (mode) { case QUP_MODE_FIFO: + case QUP_MODE_BLOCK: ret = qup_i2c_write_fifo(id, p_tx_obj, stop_seq); break; default: @@ -321,10 +315,18 @@ static qup_return_t qup_i2c_read_fifo(blsp_qup_id_t id, qup_data_t *p_tx_obj) unsigned data_len = p_tx_obj->p.iic.data_len; unsigned idx = 0; uint32_t *fifo = QUP_ADDR(id, QUP_OUTPUT_FIFO); - const uint32_t *fifo_end = fifo + QUP_INPUT_FIFO_SIZE / sizeof(*fifo); qup_reset_master_status(id); + qup_write32(QUP_ADDR(id, QUP_IO_MODES), + QUP_UNPACK_EN | QUP_PACK_EN | + ((QUP_MODE_BLOCK & QUP_MODE_MASK) << + QUP_OUTPUT_MODE_SHFT) | + ((QUP_MODE_BLOCK & QUP_MODE_MASK) << + QUP_INPUT_MODE_SHFT)); + + qup_write32(QUP_ADDR(id, QUP_MX_INPUT_COUNT), data_len); + qup_set_state(id, QUP_STATE_RUN); qup_write32(fifo, (QUP_I2C_START_SEQ | @@ -337,8 +339,6 @@ static qup_return_t qup_i2c_read_fifo(blsp_qup_id_t id, qup_data_t *p_tx_obj) return ret; } - qup_write32(QUP_ADDR(id, QUP_MX_READ_COUNT), data_len); - ret = qup_fifo_wait_for(id, INPUT_SERVICE_FLAG); if (ret) { printk(QUPDBG "%s: INPUT_SERVICE_FLAG\n", __func__); @@ -352,7 +352,7 @@ static qup_return_t qup_i2c_read_fifo(blsp_qup_id_t id, qup_data_t *p_tx_obj) int count; data = read32(fifo); - fifo++; + mdelay(1); count = qup_i2c_parse_tag(data, data_ptr + idx, data_len); @@ -367,11 +367,7 @@ static qup_return_t qup_i2c_read_fifo(blsp_qup_id_t id, qup_data_t *p_tx_obj) idx += count; data_len -= count; - if ((fifo >= fifo_end) || (data_len == 0)) { - fifo = QUP_ADDR(id, QUP_INPUT_FIFO); - qup_write32(QUP_ADDR(id, QUP_OPERATIONAL), - INPUT_SERVICE_FLAG); - } + qup_write32(QUP_ADDR(id, QUP_OPERATIONAL), INPUT_SERVICE_FLAG); } p_tx_obj->p.iic.data_len = idx; @@ -392,6 +388,7 @@ static qup_return_t qup_i2c_read(blsp_qup_id_t id, uint8_t mode, switch (mode) { case QUP_MODE_FIFO: + case QUP_MODE_BLOCK: ret = qup_i2c_read_fifo(id, p_tx_obj); break; default: @@ -448,6 +445,7 @@ qup_return_t qup_init(blsp_qup_id_t id, const qup_config_t *config_ptr) /* Set QUP IO Mode */ switch (config_ptr->mode) { case QUP_MODE_FIFO: + case QUP_MODE_BLOCK: reg_val = QUP_UNPACK_EN | QUP_PACK_EN | ((config_ptr->mode & QUP_MODE_MASK) << QUP_OUTPUT_MODE_SHFT) | |