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path: root/drivers/spi/spi-mt65xx.c
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Diffstat (limited to 'drivers/spi/spi-mt65xx.c')
-rw-r--r--drivers/spi/spi-mt65xx.c190
1 files changed, 95 insertions, 95 deletions
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 0757985947dd..8d5d170d49cc 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -135,7 +135,7 @@ struct mtk_spi_compatible {
* @pad_num: Number of pad_sel entries
* @pad_sel: Groups of pins to select
* @parent_clk: Parent of sel_clk
- * @sel_clk: SPI master mux clock
+ * @sel_clk: SPI host mux clock
* @spi_clk: Peripheral clock
* @spi_hclk: AHB bus clock
* @cur_transfer: Currently processed SPI transfer
@@ -282,7 +282,7 @@ static void mtk_spi_reset(struct mtk_spi *mdata)
static int mtk_spi_set_hw_cs_timing(struct spi_device *spi)
{
- struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
struct spi_delay *cs_setup = &spi->cs_setup;
struct spi_delay *cs_hold = &spi->cs_hold;
struct spi_delay *cs_inactive = &spi->cs_inactive;
@@ -347,13 +347,13 @@ static int mtk_spi_set_hw_cs_timing(struct spi_device *spi)
return 0;
}
-static int mtk_spi_hw_init(struct spi_master *master,
+static int mtk_spi_hw_init(struct spi_controller *host,
struct spi_device *spi)
{
u16 cpha, cpol;
u32 reg_val;
struct mtk_chip_config *chip_config = spi->controller_data;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
cpha = spi->mode & SPI_CPHA ? 1 : 0;
cpol = spi->mode & SPI_CPOL ? 1 : 0;
@@ -452,16 +452,16 @@ static int mtk_spi_hw_init(struct spi_master *master,
return 0;
}
-static int mtk_spi_prepare_message(struct spi_master *master,
+static int mtk_spi_prepare_message(struct spi_controller *host,
struct spi_message *msg)
{
- return mtk_spi_hw_init(master, msg->spi);
+ return mtk_spi_hw_init(host, msg->spi);
}
static void mtk_spi_set_cs(struct spi_device *spi, bool enable)
{
u32 reg_val;
- struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
if (spi->mode & SPI_CS_HIGH)
enable = !enable;
@@ -478,11 +478,11 @@ static void mtk_spi_set_cs(struct spi_device *spi, bool enable)
}
}
-static void mtk_spi_prepare_transfer(struct spi_master *master,
+static void mtk_spi_prepare_transfer(struct spi_controller *host,
u32 speed_hz)
{
u32 div, sck_time, reg_val;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
if (speed_hz < mdata->spi_clk_hz / 2)
div = DIV_ROUND_UP(mdata->spi_clk_hz, speed_hz);
@@ -511,10 +511,10 @@ static void mtk_spi_prepare_transfer(struct spi_master *master,
}
}
-static void mtk_spi_setup_packet(struct spi_master *master)
+static void mtk_spi_setup_packet(struct spi_controller *host)
{
u32 packet_size, packet_loop, reg_val;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
if (mdata->dev_comp->ipm_design)
packet_size = min_t(u32,
@@ -538,10 +538,10 @@ static void mtk_spi_setup_packet(struct spi_master *master)
writel(reg_val, mdata->base + SPI_CFG1_REG);
}
-static void mtk_spi_enable_transfer(struct spi_master *master)
+static void mtk_spi_enable_transfer(struct spi_controller *host)
{
u32 cmd;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
cmd = readl(mdata->base + SPI_CMD_REG);
if (mdata->state == MTK_SPI_IDLE)
@@ -566,10 +566,10 @@ static int mtk_spi_get_mult_delta(struct mtk_spi *mdata, u32 xfer_len)
return mult_delta;
}
-static void mtk_spi_update_mdata_len(struct spi_master *master)
+static void mtk_spi_update_mdata_len(struct spi_controller *host)
{
int mult_delta;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
if (mdata->tx_sgl_len && mdata->rx_sgl_len) {
if (mdata->tx_sgl_len > mdata->rx_sgl_len) {
@@ -594,10 +594,10 @@ static void mtk_spi_update_mdata_len(struct spi_master *master)
}
}
-static void mtk_spi_setup_dma_addr(struct spi_master *master,
+static void mtk_spi_setup_dma_addr(struct spi_controller *host,
struct spi_transfer *xfer)
{
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
if (mdata->tx_sgl) {
writel((u32)(xfer->tx_dma & MTK_SPI_32BITS_MASK),
@@ -620,19 +620,19 @@ static void mtk_spi_setup_dma_addr(struct spi_master *master,
}
}
-static int mtk_spi_fifo_transfer(struct spi_master *master,
+static int mtk_spi_fifo_transfer(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *xfer)
{
int cnt, remainder;
u32 reg_val;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
mdata->cur_transfer = xfer;
mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, xfer->len);
mdata->num_xfered = 0;
- mtk_spi_prepare_transfer(master, xfer->speed_hz);
- mtk_spi_setup_packet(master);
+ mtk_spi_prepare_transfer(host, xfer->speed_hz);
+ mtk_spi_setup_packet(host);
if (xfer->tx_buf) {
cnt = xfer->len / 4;
@@ -645,17 +645,17 @@ static int mtk_spi_fifo_transfer(struct spi_master *master,
}
}
- mtk_spi_enable_transfer(master);
+ mtk_spi_enable_transfer(host);
return 1;
}
-static int mtk_spi_dma_transfer(struct spi_master *master,
+static int mtk_spi_dma_transfer(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *xfer)
{
int cmd;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
mdata->tx_sgl = NULL;
mdata->rx_sgl = NULL;
@@ -664,7 +664,7 @@ static int mtk_spi_dma_transfer(struct spi_master *master,
mdata->cur_transfer = xfer;
mdata->num_xfered = 0;
- mtk_spi_prepare_transfer(master, xfer->speed_hz);
+ mtk_spi_prepare_transfer(host, xfer->speed_hz);
cmd = readl(mdata->base + SPI_CMD_REG);
if (xfer->tx_buf)
@@ -687,19 +687,19 @@ static int mtk_spi_dma_transfer(struct spi_master *master,
mdata->rx_sgl_len = sg_dma_len(mdata->rx_sgl);
}
- mtk_spi_update_mdata_len(master);
- mtk_spi_setup_packet(master);
- mtk_spi_setup_dma_addr(master, xfer);
- mtk_spi_enable_transfer(master);
+ mtk_spi_update_mdata_len(host);
+ mtk_spi_setup_packet(host);
+ mtk_spi_setup_dma_addr(host, xfer);
+ mtk_spi_enable_transfer(host);
return 1;
}
-static int mtk_spi_transfer_one(struct spi_master *master,
+static int mtk_spi_transfer_one(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *xfer)
{
- struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
u32 reg_val = 0;
/* prepare xfer direction and duplex mode */
@@ -712,13 +712,13 @@ static int mtk_spi_transfer_one(struct spi_master *master,
writel(reg_val, mdata->base + SPI_CFG3_IPM_REG);
}
- if (master->can_dma(master, spi, xfer))
- return mtk_spi_dma_transfer(master, spi, xfer);
+ if (host->can_dma(host, spi, xfer))
+ return mtk_spi_dma_transfer(host, spi, xfer);
else
- return mtk_spi_fifo_transfer(master, spi, xfer);
+ return mtk_spi_fifo_transfer(host, spi, xfer);
}
-static bool mtk_spi_can_dma(struct spi_master *master,
+static bool mtk_spi_can_dma(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *xfer)
{
@@ -730,7 +730,7 @@ static bool mtk_spi_can_dma(struct spi_master *master,
static int mtk_spi_setup(struct spi_device *spi)
{
- struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
if (!spi->controller_data)
spi->controller_data = (void *)&mtk_default_chip_info;
@@ -745,8 +745,8 @@ static int mtk_spi_setup(struct spi_device *spi)
static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
{
u32 cmd, reg_val, cnt, remainder, len;
- struct spi_master *master = dev_id;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_id;
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
struct spi_transfer *trans = mdata->cur_transfer;
reg_val = readl(mdata->base + SPI_STATUS0_REG);
@@ -761,7 +761,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
- if (!master->can_dma(master, NULL, trans)) {
+ if (!host->can_dma(host, NULL, trans)) {
if (trans->rx_buf) {
cnt = mdata->xfer_len / 4;
ioread32_rep(mdata->base + SPI_RX_DATA_REG,
@@ -779,13 +779,13 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
mdata->num_xfered += mdata->xfer_len;
if (mdata->num_xfered == trans->len) {
- spi_finalize_current_transfer(master);
+ spi_finalize_current_transfer(host);
return IRQ_HANDLED;
}
len = trans->len - mdata->num_xfered;
mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, len);
- mtk_spi_setup_packet(master);
+ mtk_spi_setup_packet(host);
cnt = mdata->xfer_len / 4;
iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
@@ -800,7 +800,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
writel(reg_val, mdata->base + SPI_TX_DATA_REG);
}
- mtk_spi_enable_transfer(master);
+ mtk_spi_enable_transfer(host);
return IRQ_HANDLED;
}
@@ -832,14 +832,14 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
cmd &= ~SPI_CMD_RX_DMA;
writel(cmd, mdata->base + SPI_CMD_REG);
- spi_finalize_current_transfer(master);
+ spi_finalize_current_transfer(host);
return IRQ_HANDLED;
}
- mtk_spi_update_mdata_len(master);
- mtk_spi_setup_packet(master);
- mtk_spi_setup_dma_addr(master, trans);
- mtk_spi_enable_transfer(master);
+ mtk_spi_update_mdata_len(host);
+ mtk_spi_setup_packet(host);
+ mtk_spi_setup_dma_addr(host, trans);
+ mtk_spi_enable_transfer(host);
return IRQ_HANDLED;
}
@@ -884,10 +884,10 @@ static bool mtk_spi_mem_supports_op(struct spi_mem *mem,
return true;
}
-static void mtk_spi_mem_setup_dma_xfer(struct spi_master *master,
+static void mtk_spi_mem_setup_dma_xfer(struct spi_controller *host,
const struct spi_mem_op *op)
{
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
writel((u32)(mdata->tx_dma & MTK_SPI_32BITS_MASK),
mdata->base + SPI_TX_SRC_REG);
@@ -911,7 +911,7 @@ static void mtk_spi_mem_setup_dma_xfer(struct spi_master *master,
static int mtk_spi_transfer_wait(struct spi_mem *mem,
const struct spi_mem_op *op)
{
- struct mtk_spi *mdata = spi_master_get_devdata(mem->spi->master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(mem->spi->controller);
/*
* For each byte we wait for 8 cycles of the SPI clock.
* Since speed is defined in Hz and we want milliseconds,
@@ -941,7 +941,7 @@ static int mtk_spi_transfer_wait(struct spi_mem *mem,
static int mtk_spi_mem_exec_op(struct spi_mem *mem,
const struct spi_mem_op *op)
{
- struct mtk_spi *mdata = spi_master_get_devdata(mem->spi->master);
+ struct mtk_spi *mdata = spi_controller_get_devdata(mem->spi->controller);
u32 reg_val, nio, tx_size;
char *tx_tmp_buf, *rx_tmp_buf;
int ret = 0;
@@ -950,8 +950,8 @@ static int mtk_spi_mem_exec_op(struct spi_mem *mem,
reinit_completion(&mdata->spimem_done);
mtk_spi_reset(mdata);
- mtk_spi_hw_init(mem->spi->master, mem->spi);
- mtk_spi_prepare_transfer(mem->spi->master, mem->spi->max_speed_hz);
+ mtk_spi_hw_init(mem->spi->controller, mem->spi);
+ mtk_spi_prepare_transfer(mem->spi->controller, mem->spi->max_speed_hz);
reg_val = readl(mdata->base + SPI_CFG3_IPM_REG);
/* opcode byte len */
@@ -971,7 +971,7 @@ static int mtk_spi_mem_exec_op(struct spi_mem *mem,
} else {
reg_val &= ~SPI_CFG3_IPM_NODATA_FLAG;
mdata->xfer_len = op->data.nbytes;
- mtk_spi_setup_packet(mem->spi->master);
+ mtk_spi_setup_packet(mem->spi->controller);
}
if (op->addr.nbytes || op->dummy.nbytes) {
@@ -1069,9 +1069,9 @@ static int mtk_spi_mem_exec_op(struct spi_mem *mem,
reg_val |= SPI_CMD_RX_DMA;
writel(reg_val, mdata->base + SPI_CMD_REG);
- mtk_spi_mem_setup_dma_xfer(mem->spi->master, op);
+ mtk_spi_mem_setup_dma_xfer(mem->spi->controller, op);
- mtk_spi_enable_transfer(mem->spi->master);
+ mtk_spi_enable_transfer(mem->spi->controller);
/* Wait for the interrupt. */
ret = mtk_spi_transfer_wait(mem, op);
@@ -1115,41 +1115,41 @@ static const struct spi_controller_mem_ops mtk_spi_mem_ops = {
static int mtk_spi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct spi_master *master;
+ struct spi_controller *host;
struct mtk_spi *mdata;
int i, irq, ret, addr_bits;
- master = devm_spi_alloc_master(dev, sizeof(*mdata));
- if (!master)
- return dev_err_probe(dev, -ENOMEM, "failed to alloc spi master\n");
+ host = devm_spi_alloc_host(dev, sizeof(*mdata));
+ if (!host)
+ return dev_err_probe(dev, -ENOMEM, "failed to alloc spi host\n");
- master->auto_runtime_pm = true;
- master->dev.of_node = dev->of_node;
- master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
+ host->auto_runtime_pm = true;
+ host->dev.of_node = dev->of_node;
+ host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
- master->set_cs = mtk_spi_set_cs;
- master->prepare_message = mtk_spi_prepare_message;
- master->transfer_one = mtk_spi_transfer_one;
- master->can_dma = mtk_spi_can_dma;
- master->setup = mtk_spi_setup;
- master->set_cs_timing = mtk_spi_set_hw_cs_timing;
- master->use_gpio_descriptors = true;
+ host->set_cs = mtk_spi_set_cs;
+ host->prepare_message = mtk_spi_prepare_message;
+ host->transfer_one = mtk_spi_transfer_one;
+ host->can_dma = mtk_spi_can_dma;
+ host->setup = mtk_spi_setup;
+ host->set_cs_timing = mtk_spi_set_hw_cs_timing;
+ host->use_gpio_descriptors = true;
- mdata = spi_master_get_devdata(master);
+ mdata = spi_controller_get_devdata(host);
mdata->dev_comp = device_get_match_data(dev);
if (mdata->dev_comp->enhance_timing)
- master->mode_bits |= SPI_CS_HIGH;
+ host->mode_bits |= SPI_CS_HIGH;
if (mdata->dev_comp->must_tx)
- master->flags = SPI_CONTROLLER_MUST_TX;
+ host->flags = SPI_CONTROLLER_MUST_TX;
if (mdata->dev_comp->ipm_design)
- master->mode_bits |= SPI_LOOP | SPI_RX_DUAL | SPI_TX_DUAL |
- SPI_RX_QUAD | SPI_TX_QUAD;
+ host->mode_bits |= SPI_LOOP | SPI_RX_DUAL | SPI_TX_DUAL |
+ SPI_RX_QUAD | SPI_TX_QUAD;
if (mdata->dev_comp->ipm_design) {
mdata->dev = dev;
- master->mem_ops = &mtk_spi_mem_ops;
+ host->mem_ops = &mtk_spi_mem_ops;
init_completion(&mdata->spimem_done);
}
@@ -1176,7 +1176,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
}
}
- platform_set_drvdata(pdev, master);
+ platform_set_drvdata(pdev, host);
mdata->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mdata->base))
return PTR_ERR(mdata->base);
@@ -1235,12 +1235,12 @@ static int mtk_spi_probe(struct platform_device *pdev)
}
if (mdata->dev_comp->need_pad_sel) {
- if (mdata->pad_num != master->num_chipselect)
+ if (mdata->pad_num != host->num_chipselect)
return dev_err_probe(dev, -EINVAL,
"pad_num does not match num_chipselect(%d != %d)\n",
- mdata->pad_num, master->num_chipselect);
+ mdata->pad_num, host->num_chipselect);
- if (!master->cs_gpiods && master->num_chipselect > 1)
+ if (!host->cs_gpiods && host->num_chipselect > 1)
return dev_err_probe(dev, -EINVAL,
"cs_gpios not specified and num_chipselect > 1\n");
}
@@ -1255,16 +1255,16 @@ static int mtk_spi_probe(struct platform_device *pdev)
addr_bits, ret);
ret = devm_request_irq(dev, irq, mtk_spi_interrupt,
- IRQF_TRIGGER_NONE, dev_name(dev), master);
+ IRQF_TRIGGER_NONE, dev_name(dev), host);
if (ret)
return dev_err_probe(dev, ret, "failed to register irq\n");
pm_runtime_enable(dev);
- ret = devm_spi_register_master(dev, master);
+ ret = devm_spi_register_controller(dev, host);
if (ret) {
pm_runtime_disable(dev);
- return dev_err_probe(dev, ret, "failed to register master\n");
+ return dev_err_probe(dev, ret, "failed to register host\n");
}
return 0;
@@ -1272,8 +1272,8 @@ static int mtk_spi_probe(struct platform_device *pdev)
static void mtk_spi_remove(struct platform_device *pdev)
{
- struct spi_master *master = platform_get_drvdata(pdev);
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct spi_controller *host = platform_get_drvdata(pdev);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
int ret;
if (mdata->use_spimem && !completion_done(&mdata->spimem_done))
@@ -1304,10 +1304,10 @@ static void mtk_spi_remove(struct platform_device *pdev)
static int mtk_spi_suspend(struct device *dev)
{
int ret;
- struct spi_master *master = dev_get_drvdata(dev);
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
- ret = spi_master_suspend(master);
+ ret = spi_controller_suspend(host);
if (ret)
return ret;
@@ -1322,8 +1322,8 @@ static int mtk_spi_suspend(struct device *dev)
static int mtk_spi_resume(struct device *dev)
{
int ret;
- struct spi_master *master = dev_get_drvdata(dev);
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
if (!pm_runtime_suspended(dev)) {
ret = clk_prepare_enable(mdata->spi_clk);
@@ -1340,7 +1340,7 @@ static int mtk_spi_resume(struct device *dev)
}
}
- ret = spi_master_resume(master);
+ ret = spi_controller_resume(host);
if (ret < 0) {
clk_disable_unprepare(mdata->spi_clk);
clk_disable_unprepare(mdata->spi_hclk);
@@ -1353,8 +1353,8 @@ static int mtk_spi_resume(struct device *dev)
#ifdef CONFIG_PM
static int mtk_spi_runtime_suspend(struct device *dev)
{
- struct spi_master *master = dev_get_drvdata(dev);
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
if (mdata->dev_comp->no_need_unprepare) {
clk_disable(mdata->spi_clk);
@@ -1369,8 +1369,8 @@ static int mtk_spi_runtime_suspend(struct device *dev)
static int mtk_spi_runtime_resume(struct device *dev)
{
- struct spi_master *master = dev_get_drvdata(dev);
- struct mtk_spi *mdata = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct mtk_spi *mdata = spi_controller_get_devdata(host);
int ret;
if (mdata->dev_comp->no_need_unprepare) {