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path: root/drivers/spi/spi-sunplus-sp7021.c
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Diffstat (limited to 'drivers/spi/spi-sunplus-sp7021.c')
-rw-r--r--drivers/spi/spi-sunplus-sp7021.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/drivers/spi/spi-sunplus-sp7021.c b/drivers/spi/spi-sunplus-sp7021.c
index eb8f835a47..4e481380c2 100644
--- a/drivers/spi/spi-sunplus-sp7021.c
+++ b/drivers/spi/spi-sunplus-sp7021.c
@@ -70,8 +70,8 @@
#define SP7021_FIFO_DATA_LEN (16)
enum {
- SP7021_MASTER_MODE = 0,
- SP7021_SLAVE_MODE = 1,
+ SP7021_HOST_MODE = 0,
+ SP7021_TARGET_MODE = 1,
};
struct sp7021_spi_ctlr {
@@ -88,7 +88,7 @@ struct sp7021_spi_ctlr {
// data xfer lock
struct mutex buf_lock;
struct completion isr_done;
- struct completion slave_isr;
+ struct completion target_isr;
unsigned int rx_cur_len;
unsigned int tx_cur_len;
unsigned int data_unit;
@@ -96,7 +96,7 @@ struct sp7021_spi_ctlr {
u8 *rx_buf;
};
-static irqreturn_t sp7021_spi_slave_irq(int irq, void *dev)
+static irqreturn_t sp7021_spi_target_irq(int irq, void *dev)
{
struct sp7021_spi_ctlr *pspim = dev;
unsigned int data_status;
@@ -104,25 +104,25 @@ static irqreturn_t sp7021_spi_slave_irq(int irq, void *dev)
data_status = readl(pspim->s_base + SP7021_DATA_RDY_REG);
data_status |= SP7021_SLAVE_CLR_INT;
writel(data_status , pspim->s_base + SP7021_DATA_RDY_REG);
- complete(&pspim->slave_isr);
+ complete(&pspim->target_isr);
return IRQ_HANDLED;
}
-static int sp7021_spi_slave_abort(struct spi_controller *ctlr)
+static int sp7021_spi_target_abort(struct spi_controller *ctlr)
{
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
- complete(&pspim->slave_isr);
+ complete(&pspim->target_isr);
complete(&pspim->isr_done);
return 0;
}
-static int sp7021_spi_slave_tx(struct spi_device *spi, struct spi_transfer *xfer)
+static int sp7021_spi_target_tx(struct spi_device *spi, struct spi_transfer *xfer)
{
struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(spi->controller);
u32 value;
- reinit_completion(&pspim->slave_isr);
+ reinit_completion(&pspim->target_isr);
value = SP7021_SLAVE_DMA_EN | SP7021_SLAVE_DMA_RW | FIELD_PREP(SP7021_SLAVE_DMA_CMD, 3);
writel(value, pspim->s_base + SP7021_SLAVE_DMA_CTRL_REG);
writel(xfer->len, pspim->s_base + SP7021_SLAVE_DMA_LENGTH_REG);
@@ -137,7 +137,7 @@ static int sp7021_spi_slave_tx(struct spi_device *spi, struct spi_transfer *xfer
return 0;
}
-static int sp7021_spi_slave_rx(struct spi_device *spi, struct spi_transfer *xfer)
+static int sp7021_spi_target_rx(struct spi_device *spi, struct spi_transfer *xfer)
{
struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(spi->controller);
u32 value;
@@ -155,7 +155,7 @@ static int sp7021_spi_slave_rx(struct spi_device *spi, struct spi_transfer *xfer
return 0;
}
-static void sp7021_spi_master_rb(struct sp7021_spi_ctlr *pspim, unsigned int len)
+static void sp7021_spi_host_rb(struct sp7021_spi_ctlr *pspim, unsigned int len)
{
int i;
@@ -166,7 +166,7 @@ static void sp7021_spi_master_rb(struct sp7021_spi_ctlr *pspim, unsigned int len
}
}
-static void sp7021_spi_master_wb(struct sp7021_spi_ctlr *pspim, unsigned int len)
+static void sp7021_spi_host_wb(struct sp7021_spi_ctlr *pspim, unsigned int len)
{
int i;
@@ -177,7 +177,7 @@ static void sp7021_spi_master_wb(struct sp7021_spi_ctlr *pspim, unsigned int len
}
}
-static irqreturn_t sp7021_spi_master_irq(int irq, void *dev)
+static irqreturn_t sp7021_spi_host_irq(int irq, void *dev)
{
struct sp7021_spi_ctlr *pspim = dev;
unsigned int tx_cnt, total_len;
@@ -206,9 +206,9 @@ static irqreturn_t sp7021_spi_master_irq(int irq, void *dev)
fd_status, rx_cnt, tx_cnt, tx_len);
if (rx_cnt > 0)
- sp7021_spi_master_rb(pspim, rx_cnt);
+ sp7021_spi_host_rb(pspim, rx_cnt);
if (tx_cnt > 0)
- sp7021_spi_master_wb(pspim, tx_cnt);
+ sp7021_spi_host_wb(pspim, tx_cnt);
fd_status = readl(pspim->m_base + SP7021_SPI_STATUS_REG);
tx_len = FIELD_GET(SP7021_TX_LEN_MASK, fd_status);
@@ -224,7 +224,7 @@ static irqreturn_t sp7021_spi_master_irq(int irq, void *dev)
rx_cnt = FIELD_GET(SP7021_RX_CNT_MASK, fd_status);
if (rx_cnt > 0)
- sp7021_spi_master_rb(pspim, rx_cnt);
+ sp7021_spi_host_rb(pspim, rx_cnt);
}
value = readl(pspim->m_base + SP7021_INT_BUSY_REG);
value |= SP7021_CLR_MASTER_INT;
@@ -240,7 +240,7 @@ static irqreturn_t sp7021_spi_master_irq(int irq, void *dev)
static void sp7021_prep_transfer(struct spi_controller *ctlr, struct spi_device *spi)
{
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
pspim->tx_cur_len = 0;
pspim->rx_cur_len = 0;
@@ -251,7 +251,7 @@ static void sp7021_prep_transfer(struct spi_controller *ctlr, struct spi_device
static int sp7021_spi_controller_prepare_message(struct spi_controller *ctlr,
struct spi_message *msg)
{
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
struct spi_device *s = msg->spi;
u32 valus, rs = 0;
@@ -283,7 +283,7 @@ static int sp7021_spi_controller_prepare_message(struct spi_controller *ctlr,
static void sp7021_spi_setup_clk(struct spi_controller *ctlr, struct spi_transfer *xfer)
{
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
u32 clk_rate, clk_sel, div;
clk_rate = clk_get_rate(pspim->spi_clk);
@@ -295,10 +295,10 @@ static void sp7021_spi_setup_clk(struct spi_controller *ctlr, struct spi_transfe
writel(pspim->xfer_conf, pspim->m_base + SP7021_SPI_CONFIG_REG);
}
-static int sp7021_spi_master_transfer_one(struct spi_controller *ctlr, struct spi_device *spi,
+static int sp7021_spi_host_transfer_one(struct spi_controller *ctlr, struct spi_device *spi,
struct spi_transfer *xfer)
{
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
unsigned long timeout = msecs_to_jiffies(1000);
unsigned int xfer_cnt, xfer_len, last_len;
unsigned int i, len_temp;
@@ -323,7 +323,7 @@ static int sp7021_spi_master_transfer_one(struct spi_controller *ctlr, struct sp
if (pspim->tx_cur_len < xfer_len) {
len_temp = min(pspim->data_unit, xfer_len);
- sp7021_spi_master_wb(pspim, len_temp);
+ sp7021_spi_host_wb(pspim, len_temp);
}
reg_temp = readl(pspim->m_base + SP7021_SPI_CONFIG_REG);
reg_temp &= ~SP7021_CLEAN_RW_BYTE;
@@ -359,10 +359,10 @@ static int sp7021_spi_master_transfer_one(struct spi_controller *ctlr, struct sp
return 0;
}
-static int sp7021_spi_slave_transfer_one(struct spi_controller *ctlr, struct spi_device *spi,
+static int sp7021_spi_target_transfer_one(struct spi_controller *ctlr, struct spi_device *spi,
struct spi_transfer *xfer)
{
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
struct device *dev = pspim->dev;
int ret;
@@ -371,14 +371,14 @@ static int sp7021_spi_slave_transfer_one(struct spi_controller *ctlr, struct spi
xfer->len, DMA_TO_DEVICE);
if (dma_mapping_error(dev, xfer->tx_dma))
return -ENOMEM;
- ret = sp7021_spi_slave_tx(spi, xfer);
+ ret = sp7021_spi_target_tx(spi, xfer);
dma_unmap_single(dev, xfer->tx_dma, xfer->len, DMA_TO_DEVICE);
} else if (xfer->rx_buf && !xfer->tx_buf) {
xfer->rx_dma = dma_map_single(dev, xfer->rx_buf, xfer->len,
DMA_FROM_DEVICE);
if (dma_mapping_error(dev, xfer->rx_dma))
return -ENOMEM;
- ret = sp7021_spi_slave_rx(spi, xfer);
+ ret = sp7021_spi_target_rx(spi, xfer);
dma_unmap_single(dev, xfer->rx_dma, xfer->len, DMA_FROM_DEVICE);
} else {
dev_dbg(&ctlr->dev, "%s() wrong command\n", __func__);
@@ -409,14 +409,14 @@ static int sp7021_spi_controller_probe(struct platform_device *pdev)
pdev->id = of_alias_get_id(pdev->dev.of_node, "sp_spi");
if (device_property_read_bool(dev, "spi-slave"))
- mode = SP7021_SLAVE_MODE;
+ mode = SP7021_TARGET_MODE;
else
- mode = SP7021_MASTER_MODE;
+ mode = SP7021_HOST_MODE;
- if (mode == SP7021_SLAVE_MODE)
- ctlr = devm_spi_alloc_slave(dev, sizeof(*pspim));
+ if (mode == SP7021_TARGET_MODE)
+ ctlr = devm_spi_alloc_target(dev, sizeof(*pspim));
else
- ctlr = devm_spi_alloc_master(dev, sizeof(*pspim));
+ ctlr = devm_spi_alloc_host(dev, sizeof(*pspim));
if (!ctlr)
return -ENOMEM;
device_set_node(&ctlr->dev, dev_fwnode(dev));
@@ -424,9 +424,9 @@ static int sp7021_spi_controller_probe(struct platform_device *pdev)
ctlr->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST;
ctlr->auto_runtime_pm = true;
ctlr->prepare_message = sp7021_spi_controller_prepare_message;
- if (mode == SP7021_SLAVE_MODE) {
- ctlr->transfer_one = sp7021_spi_slave_transfer_one;
- ctlr->slave_abort = sp7021_spi_slave_abort;
+ if (mode == SP7021_TARGET_MODE) {
+ ctlr->transfer_one = sp7021_spi_target_transfer_one;
+ ctlr->target_abort = sp7021_spi_target_abort;
ctlr->flags = SPI_CONTROLLER_HALF_DUPLEX;
} else {
ctlr->bits_per_word_mask = SPI_BPW_MASK(8);
@@ -434,7 +434,7 @@ static int sp7021_spi_controller_probe(struct platform_device *pdev)
ctlr->max_speed_hz = 25000000;
ctlr->use_gpio_descriptors = true;
ctlr->flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX;
- ctlr->transfer_one = sp7021_spi_master_transfer_one;
+ ctlr->transfer_one = sp7021_spi_host_transfer_one;
}
platform_set_drvdata(pdev, ctlr);
pspim = spi_controller_get_devdata(ctlr);
@@ -443,7 +443,7 @@ static int sp7021_spi_controller_probe(struct platform_device *pdev)
pspim->dev = dev;
mutex_init(&pspim->buf_lock);
init_completion(&pspim->isr_done);
- init_completion(&pspim->slave_isr);
+ init_completion(&pspim->target_isr);
pspim->m_base = devm_platform_ioremap_resource_byname(pdev, "master");
if (IS_ERR(pspim->m_base))
@@ -485,12 +485,12 @@ static int sp7021_spi_controller_probe(struct platform_device *pdev)
if (ret)
return ret;
- ret = devm_request_irq(dev, pspim->m_irq, sp7021_spi_master_irq,
+ ret = devm_request_irq(dev, pspim->m_irq, sp7021_spi_host_irq,
IRQF_TRIGGER_RISING, pdev->name, pspim);
if (ret)
return ret;
- ret = devm_request_irq(dev, pspim->s_irq, sp7021_spi_slave_irq,
+ ret = devm_request_irq(dev, pspim->s_irq, sp7021_spi_target_irq,
IRQF_TRIGGER_RISING, pdev->name, pspim);
if (ret)
return ret;
@@ -499,7 +499,7 @@ static int sp7021_spi_controller_probe(struct platform_device *pdev)
ret = spi_register_controller(ctlr);
if (ret) {
pm_runtime_disable(dev);
- return dev_err_probe(dev, ret, "spi_register_master fail\n");
+ return dev_err_probe(dev, ret, "spi_register_controller fail\n");
}
return 0;
}
@@ -516,7 +516,7 @@ static void sp7021_spi_controller_remove(struct platform_device *pdev)
static int __maybe_unused sp7021_spi_controller_suspend(struct device *dev)
{
struct spi_controller *ctlr = dev_get_drvdata(dev);
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
return reset_control_assert(pspim->rstc);
}
@@ -524,7 +524,7 @@ static int __maybe_unused sp7021_spi_controller_suspend(struct device *dev)
static int __maybe_unused sp7021_spi_controller_resume(struct device *dev)
{
struct spi_controller *ctlr = dev_get_drvdata(dev);
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
reset_control_deassert(pspim->rstc);
return clk_prepare_enable(pspim->spi_clk);
@@ -534,7 +534,7 @@ static int __maybe_unused sp7021_spi_controller_resume(struct device *dev)
static int sp7021_spi_runtime_suspend(struct device *dev)
{
struct spi_controller *ctlr = dev_get_drvdata(dev);
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
return reset_control_assert(pspim->rstc);
}
@@ -542,7 +542,7 @@ static int sp7021_spi_runtime_suspend(struct device *dev)
static int sp7021_spi_runtime_resume(struct device *dev)
{
struct spi_controller *ctlr = dev_get_drvdata(dev);
- struct sp7021_spi_ctlr *pspim = spi_master_get_devdata(ctlr);
+ struct sp7021_spi_ctlr *pspim = spi_controller_get_devdata(ctlr);
return reset_control_deassert(pspim->rstc);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 17:28:01 +0000