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path: root/drivers/spi/spi-dw.c
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Diffstat (limited to 'drivers/spi/spi-dw.c')
-rw-r--r--drivers/spi/spi-dw.c63
1 files changed, 32 insertions, 31 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 857cd30b44b..082458d73ce 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -19,6 +19,7 @@
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
#include <linux/highmem.h>
#include <linux/delay.h>
#include <linux/slab.h>
@@ -88,35 +89,35 @@ static ssize_t spi_show_regs(struct file *file, char __user *user_buf,
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
"=================================\n");
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "CTRL0: \t\t0x%08x\n", dw_readl(dws, ctrl0));
+ "CTRL0: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL0));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "CTRL1: \t\t0x%08x\n", dw_readl(dws, ctrl1));
+ "CTRL1: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL1));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "SSIENR: \t0x%08x\n", dw_readl(dws, ssienr));
+ "SSIENR: \t0x%08x\n", dw_readl(dws, DW_SPI_SSIENR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "SER: \t\t0x%08x\n", dw_readl(dws, ser));
+ "SER: \t\t0x%08x\n", dw_readl(dws, DW_SPI_SER));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "BAUDR: \t\t0x%08x\n", dw_readl(dws, baudr));
+ "BAUDR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_BAUDR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "TXFTLR: \t0x%08x\n", dw_readl(dws, txfltr));
+ "TXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_TXFLTR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "RXFTLR: \t0x%08x\n", dw_readl(dws, rxfltr));
+ "RXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_RXFLTR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "TXFLR: \t\t0x%08x\n", dw_readl(dws, txflr));
+ "TXFLR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_TXFLR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "RXFLR: \t\t0x%08x\n", dw_readl(dws, rxflr));
+ "RXFLR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_RXFLR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "SR: \t\t0x%08x\n", dw_readl(dws, sr));
+ "SR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_SR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "IMR: \t\t0x%08x\n", dw_readl(dws, imr));
+ "IMR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_IMR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "ISR: \t\t0x%08x\n", dw_readl(dws, isr));
+ "ISR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_ISR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "DMACR: \t\t0x%08x\n", dw_readl(dws, dmacr));
+ "DMACR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_DMACR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "DMATDLR: \t0x%08x\n", dw_readl(dws, dmatdlr));
+ "DMATDLR: \t0x%08x\n", dw_readl(dws, DW_SPI_DMATDLR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "DMARDLR: \t0x%08x\n", dw_readl(dws, dmardlr));
+ "DMARDLR: \t0x%08x\n", dw_readl(dws, DW_SPI_DMARDLR));
len += snprintf(buf + len, SPI_REGS_BUFSIZE - len,
"=================================\n");
@@ -166,7 +167,7 @@ static inline u32 tx_max(struct dw_spi *dws)
u32 tx_left, tx_room, rxtx_gap;
tx_left = (dws->tx_end - dws->tx) / dws->n_bytes;
- tx_room = dws->fifo_len - dw_readw(dws, txflr);
+ tx_room = dws->fifo_len - dw_readw(dws, DW_SPI_TXFLR);
/*
* Another concern is about the tx/rx mismatch, we
@@ -187,7 +188,7 @@ static inline u32 rx_max(struct dw_spi *dws)
{
u32 rx_left = (dws->rx_end - dws->rx) / dws->n_bytes;
- return min(rx_left, (u32)dw_readw(dws, rxflr));
+ return min(rx_left, (u32)dw_readw(dws, DW_SPI_RXFLR));
}
static void dw_writer(struct dw_spi *dws)
@@ -203,7 +204,7 @@ static void dw_writer(struct dw_spi *dws)
else
txw = *(u16 *)(dws->tx);
}
- dw_writew(dws, dr, txw);
+ dw_writew(dws, DW_SPI_DR, txw);
dws->tx += dws->n_bytes;
}
}
@@ -214,7 +215,7 @@ static void dw_reader(struct dw_spi *dws)
u16 rxw;
while (max--) {
- rxw = dw_readw(dws, dr);
+ rxw = dw_readw(dws, DW_SPI_DR);
/* Care rx only if the transfer's original "rx" is not null */
if (dws->rx_end - dws->len) {
if (dws->n_bytes == 1)
@@ -322,13 +323,13 @@ EXPORT_SYMBOL_GPL(dw_spi_xfer_done);
static irqreturn_t interrupt_transfer(struct dw_spi *dws)
{
- u16 irq_status = dw_readw(dws, isr);
+ u16 irq_status = dw_readw(dws, DW_SPI_ISR);
/* Error handling */
if (irq_status & (SPI_INT_TXOI | SPI_INT_RXOI | SPI_INT_RXUI)) {
- dw_readw(dws, txoicr);
- dw_readw(dws, rxoicr);
- dw_readw(dws, rxuicr);
+ dw_readw(dws, DW_SPI_TXOICR);
+ dw_readw(dws, DW_SPI_RXOICR);
+ dw_readw(dws, DW_SPI_RXUICR);
int_error_stop(dws, "interrupt_transfer: fifo overrun/underrun");
return IRQ_HANDLED;
}
@@ -352,7 +353,7 @@ static irqreturn_t interrupt_transfer(struct dw_spi *dws)
static irqreturn_t dw_spi_irq(int irq, void *dev_id)
{
struct dw_spi *dws = dev_id;
- u16 irq_status = dw_readw(dws, isr) & 0x3f;
+ u16 irq_status = dw_readw(dws, DW_SPI_ISR) & 0x3f;
if (!irq_status)
return IRQ_NONE;
@@ -520,11 +521,11 @@ static void pump_transfers(unsigned long data)
* 2. clk_div is changed
* 3. control value changes
*/
- if (dw_readw(dws, ctrl0) != cr0 || cs_change || clk_div || imask) {
+ if (dw_readw(dws, DW_SPI_CTRL0) != cr0 || cs_change || clk_div || imask) {
spi_enable_chip(dws, 0);
- if (dw_readw(dws, ctrl0) != cr0)
- dw_writew(dws, ctrl0, cr0);
+ if (dw_readw(dws, DW_SPI_CTRL0) != cr0)
+ dw_writew(dws, DW_SPI_CTRL0, cr0);
spi_set_clk(dws, clk_div ? clk_div : chip->clk_div);
spi_chip_sel(dws, spi->chip_select);
@@ -534,7 +535,7 @@ static void pump_transfers(unsigned long data)
if (imask)
spi_umask_intr(dws, imask);
if (txint_level)
- dw_writew(dws, txfltr, txint_level);
+ dw_writew(dws, DW_SPI_TXFLTR, txint_level);
spi_enable_chip(dws, 1);
if (cs_change)
@@ -790,13 +791,13 @@ static void spi_hw_init(struct dw_spi *dws)
if (!dws->fifo_len) {
u32 fifo;
for (fifo = 2; fifo <= 257; fifo++) {
- dw_writew(dws, txfltr, fifo);
- if (fifo != dw_readw(dws, txfltr))
+ dw_writew(dws, DW_SPI_TXFLTR, fifo);
+ if (fifo != dw_readw(dws, DW_SPI_TXFLTR))
break;
}
dws->fifo_len = (fifo == 257) ? 0 : fifo;
- dw_writew(dws, txfltr, 0);
+ dw_writew(dws, DW_SPI_TXFLTR, 0);
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 05:15:46 +0000