replace au_read/write/sync with __raw_read/write and wmb.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7465/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
(dtp->dev_flags & DEV_FLAGS_SYNC))
i |= DDMA_CFG_SYNC;
cp->ddma_cfg = i;
- au_sync();
+ wmb(); /* drain writebuffer */
/*
* Return a non-zero value that can be used to find the channel
*/
dma_cache_wback_inv((unsigned long)buf, nbytes);
dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */
- au_sync();
+ wmb(); /* drain writebuffer */
dma_cache_wback_inv((unsigned long)dp, sizeof(*dp));
ctp->chan_ptr->ddma_dbell = 0;
*/
dma_cache_inv((unsigned long)buf, nbytes);
dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */
- au_sync();
+ wmb(); /* drain writebuffer */
dma_cache_wback_inv((unsigned long)dp, sizeof(*dp));
ctp->chan_ptr->ddma_dbell = 0;
cp = ctp->chan_ptr;
cp->ddma_cfg &= ~DDMA_CFG_EN; /* Disable channel */
- au_sync();
+ wmb(); /* drain writebuffer */
while (!(cp->ddma_stat & DDMA_STAT_H)) {
udelay(1);
halt_timeout++;
}
/* clear current desc valid and doorbell */
cp->ddma_stat |= (DDMA_STAT_DB | DDMA_STAT_V);
- au_sync();
+ wmb(); /* drain writebuffer */
}
EXPORT_SYMBOL(au1xxx_dbdma_stop);
cp = ctp->chan_ptr;
cp->ddma_desptr = virt_to_phys(ctp->cur_ptr);
cp->ddma_cfg |= DDMA_CFG_EN; /* Enable channel */
- au_sync();
+ wmb(); /* drain writebuffer */
cp->ddma_dbell = 0;
- au_sync();
+ wmb(); /* drain writebuffer */
}
EXPORT_SYMBOL(au1xxx_dbdma_start);
/* This is only valid if the channel is stopped. */
rv = cp->ddma_bytecnt;
- au_sync();
+ wmb(); /* drain writebuffer */
return rv;
}
au1x_dma_chan_t *cp;
intstat = dbdma_gptr->ddma_intstat;
- au_sync();
+ wmb(); /* drain writebuffer */
chan_index = __ffs(intstat);
ctp = chan_tab_ptr[chan_index];
/* Reset interrupt. */
cp->ddma_irq = 0;
- au_sync();
+ wmb(); /* drain writebuffer */
if (ctp->chan_callback)
ctp->chan_callback(irq, ctp->chan_callparam);
dbdma_gptr->ddma_config = 0;
dbdma_gptr->ddma_throttle = 0;
dbdma_gptr->ddma_inten = 0xffff;
- au_sync();
+ wmb(); /* drain writebuffer */
ret = request_irq(irq, dbdma_interrupt, 0, "dbdma", (void *)dbdma_gptr);
if (ret)
printk(KERN_INFO "Au1000 DMA%d Register Dump:\n", dmanr);
printk(KERN_INFO " mode = 0x%08x\n",
- au_readl(chan->io + DMA_MODE_SET));
+ __raw_readl(chan->io + DMA_MODE_SET));
printk(KERN_INFO " addr = 0x%08x\n",
- au_readl(chan->io + DMA_PERIPHERAL_ADDR));
+ __raw_readl(chan->io + DMA_PERIPHERAL_ADDR));
printk(KERN_INFO " start0 = 0x%08x\n",
- au_readl(chan->io + DMA_BUFFER0_START));
+ __raw_readl(chan->io + DMA_BUFFER0_START));
printk(KERN_INFO " start1 = 0x%08x\n",
- au_readl(chan->io + DMA_BUFFER1_START));
+ __raw_readl(chan->io + DMA_BUFFER1_START));
printk(KERN_INFO " count0 = 0x%08x\n",
- au_readl(chan->io + DMA_BUFFER0_COUNT));
+ __raw_readl(chan->io + DMA_BUFFER0_COUNT));
printk(KERN_INFO " count1 = 0x%08x\n",
- au_readl(chan->io + DMA_BUFFER1_COUNT));
+ __raw_readl(chan->io + DMA_BUFFER1_COUNT));
}
/*
}
/* fill it in */
- chan->io = KSEG1ADDR(AU1000_DMA_PHYS_ADDR) + i * DMA_CHANNEL_LEN;
+ chan->io = (void __iomem *)(KSEG1ADDR(AU1000_DMA_PHYS_ADDR) +
+ i * DMA_CHANNEL_LEN);
chan->dev_id = dev_id;
chan->dev_str = dev_str;
chan->fifo_addr = dev->fifo_addr;
#include <asm/cpu.h>
-/* cpu pipeline flush */
-void static inline au_sync(void)
-{
- __asm__ volatile ("sync");
-}
-
-void static inline au_sync_udelay(int us)
-{
- __asm__ volatile ("sync");
- udelay(us);
-}
-
-void static inline au_sync_delay(int ms)
-{
- __asm__ volatile ("sync");
- mdelay(ms);
-}
-
-void static inline au_writeb(u8 val, unsigned long reg)
-{
- *(volatile u8 *)reg = val;
-}
-
-void static inline au_writew(u16 val, unsigned long reg)
-{
- *(volatile u16 *)reg = val;
-}
-
-void static inline au_writel(u32 val, unsigned long reg)
-{
- *(volatile u32 *)reg = val;
-}
-
-static inline u8 au_readb(unsigned long reg)
-{
- return *(volatile u8 *)reg;
-}
-
-static inline u16 au_readw(unsigned long reg)
-{
- return *(volatile u16 *)reg;
-}
-
-static inline u32 au_readl(unsigned long reg)
-{
- return *(volatile u32 *)reg;
-}
-
/* helpers to access the SYS_* registers */
static inline unsigned long alchemy_rdsys(int regofs)
{
struct dma_chan {
int dev_id; /* this channel is allocated if >= 0, */
/* free otherwise */
- unsigned int io;
+ void __iomem *io;
const char *dev_str;
int irq;
void *irq_dev;
if (!chan)
return;
- au_writel(DMA_BE0, chan->io + DMA_MODE_SET);
+ __raw_writel(DMA_BE0, chan->io + DMA_MODE_SET);
}
static inline void enable_dma_buffer1(unsigned int dmanr)
if (!chan)
return;
- au_writel(DMA_BE1, chan->io + DMA_MODE_SET);
+ __raw_writel(DMA_BE1, chan->io + DMA_MODE_SET);
}
static inline void enable_dma_buffers(unsigned int dmanr)
{
if (!chan)
return;
- au_writel(DMA_BE0 | DMA_BE1, chan->io + DMA_MODE_SET);
+ __raw_writel(DMA_BE0 | DMA_BE1, chan->io + DMA_MODE_SET);
}
static inline void start_dma(unsigned int dmanr)
if (!chan)
return;
- au_writel(DMA_GO, chan->io + DMA_MODE_SET);
+ __raw_writel(DMA_GO, chan->io + DMA_MODE_SET);
}
#define DMA_HALT_POLL 0x5000
if (!chan)
return;
- au_writel(DMA_GO, chan->io + DMA_MODE_CLEAR);
+ __raw_writel(DMA_GO, chan->io + DMA_MODE_CLEAR);
/* Poll the halt bit */
for (i = 0; i < DMA_HALT_POLL; i++)
- if (au_readl(chan->io + DMA_MODE_READ) & DMA_HALT)
+ if (__raw_readl(chan->io + DMA_MODE_READ) & DMA_HALT)
break;
if (i == DMA_HALT_POLL)
printk(KERN_INFO "halt_dma: HALT poll expired!\n");
halt_dma(dmanr);
/* Now we can disable the buffers */
- au_writel(~DMA_GO, chan->io + DMA_MODE_CLEAR);
+ __raw_writel(~DMA_GO, chan->io + DMA_MODE_CLEAR);
}
static inline int dma_halted(unsigned int dmanr)
if (!chan)
return 1;
- return (au_readl(chan->io + DMA_MODE_READ) & DMA_HALT) ? 1 : 0;
+ return (__raw_readl(chan->io + DMA_MODE_READ) & DMA_HALT) ? 1 : 0;
}
/* Initialize a DMA channel. */
disable_dma(dmanr);
/* Set device FIFO address */
- au_writel(CPHYSADDR(chan->fifo_addr), chan->io + DMA_PERIPHERAL_ADDR);
+ __raw_writel(CPHYSADDR(chan->fifo_addr), chan->io + DMA_PERIPHERAL_ADDR);
mode = chan->mode | (chan->dev_id << DMA_DID_BIT);
if (chan->irq)
mode |= DMA_IE;
- au_writel(~mode, chan->io + DMA_MODE_CLEAR);
- au_writel(mode, chan->io + DMA_MODE_SET);
+ __raw_writel(~mode, chan->io + DMA_MODE_CLEAR);
+ __raw_writel(mode, chan->io + DMA_MODE_SET);
}
/*
if (!chan)
return -1;
- return (au_readl(chan->io + DMA_MODE_READ) & DMA_AB) ? 1 : 0;
+ return (__raw_readl(chan->io + DMA_MODE_READ) & DMA_AB) ? 1 : 0;
}
/*
if (chan->dev_id != DMA_ID_GP04 && chan->dev_id != DMA_ID_GP05)
return;
- au_writel(CPHYSADDR(a), chan->io + DMA_PERIPHERAL_ADDR);
+ __raw_writel(CPHYSADDR(a), chan->io + DMA_PERIPHERAL_ADDR);
}
/*
if (!chan)
return;
- au_writel(DMA_D0, chan->io + DMA_MODE_CLEAR);
+ __raw_writel(DMA_D0, chan->io + DMA_MODE_CLEAR);
}
static inline void clear_dma_done1(unsigned int dmanr)
if (!chan)
return;
- au_writel(DMA_D1, chan->io + DMA_MODE_CLEAR);
+ __raw_writel(DMA_D1, chan->io + DMA_MODE_CLEAR);
}
/*
if (!chan)
return;
- au_writel(a, chan->io + DMA_BUFFER0_START);
+ __raw_writel(a, chan->io + DMA_BUFFER0_START);
}
/*
if (!chan)
return;
- au_writel(a, chan->io + DMA_BUFFER1_START);
+ __raw_writel(a, chan->io + DMA_BUFFER1_START);
}
if (!chan)
return;
count &= DMA_COUNT_MASK;
- au_writel(count, chan->io + DMA_BUFFER0_COUNT);
+ __raw_writel(count, chan->io + DMA_BUFFER0_COUNT);
}
/*
if (!chan)
return;
count &= DMA_COUNT_MASK;
- au_writel(count, chan->io + DMA_BUFFER1_COUNT);
+ __raw_writel(count, chan->io + DMA_BUFFER1_COUNT);
}
/*
if (!chan)
return;
count &= DMA_COUNT_MASK;
- au_writel(count, chan->io + DMA_BUFFER0_COUNT);
- au_writel(count, chan->io + DMA_BUFFER1_COUNT);
+ __raw_writel(count, chan->io + DMA_BUFFER0_COUNT);
+ __raw_writel(count, chan->io + DMA_BUFFER1_COUNT);
}
/*
if (!chan)
return 0;
- return au_readl(chan->io + DMA_MODE_READ) & (DMA_D0 | DMA_D1);
+ return __raw_readl(chan->io + DMA_MODE_READ) & (DMA_D0 | DMA_D1);
}
if (!chan)
return 0;
- curBufCntReg = (au_readl(chan->io + DMA_MODE_READ) & DMA_AB) ?
+ curBufCntReg = (__raw_readl(chan->io + DMA_MODE_READ) & DMA_AB) ?
DMA_BUFFER1_COUNT : DMA_BUFFER0_COUNT;
- count = au_readl(chan->io + curBufCntReg) & DMA_COUNT_MASK;
+ count = __raw_readl(chan->io + curBufCntReg) & DMA_COUNT_MASK;
if ((chan->mode & DMA_DW_MASK) == DMA_DW16)
count <<= 1;
struct mmc_request *mrq;
u32 flags;
- u32 iobase;
+ void __iomem *iobase;
u32 clock;
u32 bus_width;
u32 power_mode;
static inline void IRQ_ON(struct au1xmmc_host *host, u32 mask)
{
- u32 val = au_readl(HOST_CONFIG(host));
+ u32 val = __raw_readl(HOST_CONFIG(host));
val |= mask;
- au_writel(val, HOST_CONFIG(host));
- au_sync();
+ __raw_writel(val, HOST_CONFIG(host));
+ wmb(); /* drain writebuffer */
}
static inline void FLUSH_FIFO(struct au1xmmc_host *host)
{
- u32 val = au_readl(HOST_CONFIG2(host));
+ u32 val = __raw_readl(HOST_CONFIG2(host));
- au_writel(val | SD_CONFIG2_FF, HOST_CONFIG2(host));
- au_sync_delay(1);
+ __raw_writel(val | SD_CONFIG2_FF, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
+ mdelay(1);
/* SEND_STOP will turn off clock control - this re-enables it */
val &= ~SD_CONFIG2_DF;
- au_writel(val, HOST_CONFIG2(host));
- au_sync();
+ __raw_writel(val, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
}
static inline void IRQ_OFF(struct au1xmmc_host *host, u32 mask)
{
- u32 val = au_readl(HOST_CONFIG(host));
+ u32 val = __raw_readl(HOST_CONFIG(host));
val &= ~mask;
- au_writel(val, HOST_CONFIG(host));
- au_sync();
+ __raw_writel(val, HOST_CONFIG(host));
+ wmb(); /* drain writebuffer */
}
static inline void SEND_STOP(struct au1xmmc_host *host)
WARN_ON(host->status != HOST_S_DATA);
host->status = HOST_S_STOP;
- config2 = au_readl(HOST_CONFIG2(host));
- au_writel(config2 | SD_CONFIG2_DF, HOST_CONFIG2(host));
- au_sync();
+ config2 = __raw_readl(HOST_CONFIG2(host));
+ __raw_writel(config2 | SD_CONFIG2_DF, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
/* Send the stop command */
- au_writel(STOP_CMD, HOST_CMD(host));
+ __raw_writel(STOP_CMD, HOST_CMD(host));
+ wmb(); /* drain writebuffer */
}
static void au1xmmc_set_power(struct au1xmmc_host *host, int state)
}
}
- au_writel(cmd->arg, HOST_CMDARG(host));
- au_sync();
+ __raw_writel(cmd->arg, HOST_CMDARG(host));
+ wmb(); /* drain writebuffer */
if (wait)
IRQ_OFF(host, SD_CONFIG_CR);
- au_writel((mmccmd | SD_CMD_GO), HOST_CMD(host));
- au_sync();
+ __raw_writel((mmccmd | SD_CMD_GO), HOST_CMD(host));
+ wmb(); /* drain writebuffer */
/* Wait for the command to go on the line */
- while (au_readl(HOST_CMD(host)) & SD_CMD_GO)
+ while (__raw_readl(HOST_CMD(host)) & SD_CMD_GO)
/* nop */;
/* Wait for the command to come back */
if (wait) {
- u32 status = au_readl(HOST_STATUS(host));
+ u32 status = __raw_readl(HOST_STATUS(host));
while (!(status & SD_STATUS_CR))
- status = au_readl(HOST_STATUS(host));
+ status = __raw_readl(HOST_STATUS(host));
/* Clear the CR status */
- au_writel(SD_STATUS_CR, HOST_STATUS(host));
+ __raw_writel(SD_STATUS_CR, HOST_STATUS(host));
IRQ_ON(host, SD_CONFIG_CR);
}
data = mrq->cmd->data;
if (status == 0)
- status = au_readl(HOST_STATUS(host));
+ status = __raw_readl(HOST_STATUS(host));
/* The transaction is really over when the SD_STATUS_DB bit is clear */
while ((host->flags & HOST_F_XMIT) && (status & SD_STATUS_DB))
- status = au_readl(HOST_STATUS(host));
+ status = __raw_readl(HOST_STATUS(host));
data->error = 0;
dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma.dir);
data->error = -EILSEQ;
/* Clear the CRC bits */
- au_writel(SD_STATUS_WC | SD_STATUS_RC, HOST_STATUS(host));
+ __raw_writel(SD_STATUS_WC | SD_STATUS_RC, HOST_STATUS(host));
data->bytes_xfered = 0;
{
struct au1xmmc_host *host = (struct au1xmmc_host *)param;
- u32 status = au_readl(HOST_STATUS(host));
+ u32 status = __raw_readl(HOST_STATUS(host));
au1xmmc_data_complete(host, status);
}
max = AU1XMMC_MAX_TRANSFER;
for (count = 0; count < max; count++) {
- status = au_readl(HOST_STATUS(host));
+ status = __raw_readl(HOST_STATUS(host));
if (!(status & SD_STATUS_TH))
break;
val = *sg_ptr++;
- au_writel((unsigned long)val, HOST_TXPORT(host));
- au_sync();
+ __raw_writel((unsigned long)val, HOST_TXPORT(host));
+ wmb(); /* drain writebuffer */
}
host->pio.len -= count;
max = AU1XMMC_MAX_TRANSFER;
for (count = 0; count < max; count++) {
- status = au_readl(HOST_STATUS(host));
+ status = __raw_readl(HOST_STATUS(host));
if (!(status & SD_STATUS_NE))
break;
break;
}
- val = au_readl(HOST_RXPORT(host));
+ val = __raw_readl(HOST_RXPORT(host));
if (sg_ptr)
*sg_ptr++ = (unsigned char)(val & 0xFF);
if (cmd->flags & MMC_RSP_PRESENT) {
if (cmd->flags & MMC_RSP_136) {
- r[0] = au_readl(host->iobase + SD_RESP3);
- r[1] = au_readl(host->iobase + SD_RESP2);
- r[2] = au_readl(host->iobase + SD_RESP1);
- r[3] = au_readl(host->iobase + SD_RESP0);
+ r[0] = __raw_readl(host->iobase + SD_RESP3);
+ r[1] = __raw_readl(host->iobase + SD_RESP2);
+ r[2] = __raw_readl(host->iobase + SD_RESP1);
+ r[3] = __raw_readl(host->iobase + SD_RESP0);
/* The CRC is omitted from the response, so really
* we only got 120 bytes, but the engine expects
* that means that the OSR data starts at bit 31,
* so we can just read RESP0 and return that.
*/
- cmd->resp[0] = au_readl(host->iobase + SD_RESP0);
+ cmd->resp[0] = __raw_readl(host->iobase + SD_RESP0);
}
}
u32 mask = SD_STATUS_DB | SD_STATUS_NE;
while((status & mask) != mask)
- status = au_readl(HOST_STATUS(host));
+ status = __raw_readl(HOST_STATUS(host));
}
au1xxx_dbdma_start(channel);
pbus /= 2;
divisor = ((pbus / rate) / 2) - 1;
- config = au_readl(HOST_CONFIG(host));
+ config = __raw_readl(HOST_CONFIG(host));
config &= ~(SD_CONFIG_DIV);
config |= (divisor & SD_CONFIG_DIV) | SD_CONFIG_DE;
- au_writel(config, HOST_CONFIG(host));
- au_sync();
+ __raw_writel(config, HOST_CONFIG(host));
+ wmb(); /* drain writebuffer */
}
static int au1xmmc_prepare_data(struct au1xmmc_host *host,
if (host->dma.len == 0)
return -ETIMEDOUT;
- au_writel(data->blksz - 1, HOST_BLKSIZE(host));
+ __raw_writel(data->blksz - 1, HOST_BLKSIZE(host));
if (host->flags & (HOST_F_DMA | HOST_F_DBDMA)) {
int i;
static void au1xmmc_reset_controller(struct au1xmmc_host *host)
{
/* Apply the clock */
- au_writel(SD_ENABLE_CE, HOST_ENABLE(host));
- au_sync_delay(1);
+ __raw_writel(SD_ENABLE_CE, HOST_ENABLE(host));
+ wmb(); /* drain writebuffer */
+ mdelay(1);
- au_writel(SD_ENABLE_R | SD_ENABLE_CE, HOST_ENABLE(host));
- au_sync_delay(5);
+ __raw_writel(SD_ENABLE_R | SD_ENABLE_CE, HOST_ENABLE(host));
+ wmb(); /* drain writebuffer */
+ mdelay(5);
- au_writel(~0, HOST_STATUS(host));
- au_sync();
+ __raw_writel(~0, HOST_STATUS(host));
+ wmb(); /* drain writebuffer */
- au_writel(0, HOST_BLKSIZE(host));
- au_writel(0x001fffff, HOST_TIMEOUT(host));
- au_sync();
+ __raw_writel(0, HOST_BLKSIZE(host));
+ __raw_writel(0x001fffff, HOST_TIMEOUT(host));
+ wmb(); /* drain writebuffer */
- au_writel(SD_CONFIG2_EN, HOST_CONFIG2(host));
- au_sync();
+ __raw_writel(SD_CONFIG2_EN, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
- au_writel(SD_CONFIG2_EN | SD_CONFIG2_FF, HOST_CONFIG2(host));
- au_sync_delay(1);
+ __raw_writel(SD_CONFIG2_EN | SD_CONFIG2_FF, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
+ mdelay(1);
- au_writel(SD_CONFIG2_EN, HOST_CONFIG2(host));
- au_sync();
+ __raw_writel(SD_CONFIG2_EN, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
/* Configure interrupts */
- au_writel(AU1XMMC_INTERRUPTS, HOST_CONFIG(host));
- au_sync();
+ __raw_writel(AU1XMMC_INTERRUPTS, HOST_CONFIG(host));
+ wmb(); /* drain writebuffer */
}
host->clock = ios->clock;
}
- config2 = au_readl(HOST_CONFIG2(host));
+ config2 = __raw_readl(HOST_CONFIG2(host));
switch (ios->bus_width) {
case MMC_BUS_WIDTH_8:
config2 |= SD_CONFIG2_BB;
config2 &= ~(SD_CONFIG2_WB | SD_CONFIG2_BB);
break;
}
- au_writel(config2, HOST_CONFIG2(host));
- au_sync();
+ __raw_writel(config2, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
}
#define STATUS_TIMEOUT (SD_STATUS_RAT | SD_STATUS_DT)
struct au1xmmc_host *host = dev_id;
u32 status;
- status = au_readl(HOST_STATUS(host));
+ status = __raw_readl(HOST_STATUS(host));
if (!(status & SD_STATUS_I))
return IRQ_NONE; /* not ours */
status);
}
- au_writel(status, HOST_STATUS(host));
- au_sync();
+ __raw_writel(status, HOST_STATUS(host));
+ wmb(); /* drain writebuffer */
return IRQ_HANDLED;
}
goto out1;
}
- host->iobase = (unsigned long)ioremap(r->start, 0x3c);
+ host->iobase = ioremap(r->start, 0x3c);
if (!host->iobase) {
dev_err(&pdev->dev, "cannot remap mmio\n");
goto out2;
platform_set_drvdata(pdev, host);
- pr_info(DRIVER_NAME ": MMC Controller %d set up at %8.8X"
+ pr_info(DRIVER_NAME ": MMC Controller %d set up at %p"
" (mode=%s)\n", pdev->id, host->iobase,
host->flags & HOST_F_DMA ? "dma" : "pio");
led_classdev_unregister(host->platdata->led);
out5:
#endif
- au_writel(0, HOST_ENABLE(host));
- au_writel(0, HOST_CONFIG(host));
- au_writel(0, HOST_CONFIG2(host));
- au_sync();
+ __raw_writel(0, HOST_ENABLE(host));
+ __raw_writel(0, HOST_CONFIG(host));
+ __raw_writel(0, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
if (host->flags & HOST_F_DBDMA)
au1xmmc_dbdma_shutdown(host);
!(host->mmc->caps & MMC_CAP_NEEDS_POLL))
host->platdata->cd_setup(host->mmc, 0);
- au_writel(0, HOST_ENABLE(host));
- au_writel(0, HOST_CONFIG(host));
- au_writel(0, HOST_CONFIG2(host));
- au_sync();
+ __raw_writel(0, HOST_ENABLE(host));
+ __raw_writel(0, HOST_CONFIG(host));
+ __raw_writel(0, HOST_CONFIG2(host));
+ wmb(); /* drain writebuffer */
tasklet_kill(&host->data_task);
tasklet_kill(&host->finish_task);
{
struct au1xmmc_host *host = platform_get_drvdata(pdev);
- au_writel(0, HOST_CONFIG2(host));
- au_writel(0, HOST_CONFIG(host));
- au_writel(0xffffffff, HOST_STATUS(host));
- au_writel(0, HOST_ENABLE(host));
- au_sync();
+ __raw_writel(0, HOST_CONFIG2(host));
+ __raw_writel(0, HOST_CONFIG(host));
+ __raw_writel(0xffffffff, HOST_STATUS(host));
+ __raw_writel(0, HOST_ENABLE(host));
+ wmb(); /* drain writebuffer */
return 0;
}
{
struct nand_chip *this = mtd->priv;
u_char ret = readb(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
return ret;
}
{
struct nand_chip *this = mtd->priv;
writeb(byte, this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
/**
{
struct nand_chip *this = mtd->priv;
u_char ret = (u_char) cpu_to_le16(readw(this->IO_ADDR_R));
- au_sync();
+ wmb(); /* drain writebuffer */
return ret;
}
{
struct nand_chip *this = mtd->priv;
writew(le16_to_cpu((u16) byte), this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
/**
{
struct nand_chip *this = mtd->priv;
u16 ret = readw(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
return ret;
}
for (i = 0; i < len; i++) {
writeb(buf[i], this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
for (i = 0; i < len; i++) {
buf[i] = readb(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
for (i = 0; i < len; i++) {
writew(p[i], this->IO_ADDR_W);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
for (i = 0; i < len; i++) {
p[i] = readw(this->IO_ADDR_R);
- au_sync();
+ wmb(); /* drain writebuffer */
}
}
this->IO_ADDR_R = this->IO_ADDR_W;
- /* Drain the writebuffer */
- au_sync();
+ wmb(); /* Drain the writebuffer */
}
int au1550_device_ready(struct mtd_info *mtd)
if (force_reset || (!aup->mac_enabled)) {
writel(MAC_EN_CLOCK_ENABLE, aup->enable);
- au_sync_delay(2);
+ wmb(); /* drain writebuffer */
+ mdelay(2);
writel((MAC_EN_RESET0 | MAC_EN_RESET1 | MAC_EN_RESET2
| MAC_EN_CLOCK_ENABLE), aup->enable);
- au_sync_delay(2);
+ wmb(); /* drain writebuffer */
+ mdelay(2);
aup->mac_enabled = 1;
}
reg = readl(&aup->mac->control);
reg &= ~(MAC_RX_ENABLE | MAC_TX_ENABLE);
writel(reg, &aup->mac->control);
- au_sync_delay(10);
+ wmb(); /* drain writebuffer */
+ mdelay(10);
}
static void au1000_enable_rx_tx(struct net_device *dev)
reg = readl(&aup->mac->control);
reg |= (MAC_RX_ENABLE | MAC_TX_ENABLE);
writel(reg, &aup->mac->control);
- au_sync_delay(10);
+ wmb(); /* drain writebuffer */
+ mdelay(10);
}
static void
reg |= MAC_DISABLE_RX_OWN;
}
writel(reg, &aup->mac->control);
- au_sync_delay(1);
+ wmb(); /* drain writebuffer */
+ mdelay(1);
au1000_enable_rx_tx(dev);
aup->old_duplex = phydev->duplex;
au1000_hard_stop(dev);
writel(MAC_EN_CLOCK_ENABLE, aup->enable);
- au_sync_delay(2);
+ wmb(); /* drain writebuffer */
+ mdelay(2);
writel(0, aup->enable);
- au_sync_delay(2);
+ wmb(); /* drain writebuffer */
+ mdelay(2);
aup->tx_full = 0;
for (i = 0; i < NUM_RX_DMA; i++) {
for (i = 0; i < NUM_RX_DMA; i++)
aup->rx_dma_ring[i]->buff_stat |= RX_DMA_ENABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
control = MAC_RX_ENABLE | MAC_TX_ENABLE;
#ifndef CONFIG_CPU_LITTLE_ENDIAN
writel(control, &aup->mac->control);
writel(0x8100, &aup->mac->vlan1_tag); /* activate vlan support */
- au_sync();
+ wmb(); /* drain writebuffer */
spin_unlock_irqrestore(&aup->lock, flags);
return 0;
}
prxd->buff_stat = (u32)(pDB->dma_addr | RX_DMA_ENABLE);
aup->rx_head = (aup->rx_head + 1) & (NUM_RX_DMA - 1);
- au_sync();
+ wmb(); /* drain writebuffer */
/* next descriptor */
prxd = aup->rx_dma_ring[aup->rx_head];
au1000_update_tx_stats(dev, ptxd->status);
ptxd->buff_stat &= ~TX_T_DONE;
ptxd->len = 0;
- au_sync();
+ wmb(); /* drain writebuffer */
aup->tx_tail = (aup->tx_tail + 1) & (NUM_TX_DMA - 1);
ptxd = aup->tx_dma_ring[aup->tx_tail];
ps->tx_bytes += ptxd->len;
ptxd->buff_stat = pDB->dma_addr | TX_DMA_ENABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
dev_kfree_skb(skb);
aup->tx_head = (aup->tx_head + 1) & (NUM_TX_DMA - 1);
return NETDEV_TX_OK;
PSC_SPIMSK_MM | PSC_SPIMSK_RR | PSC_SPIMSK_RO
| PSC_SPIMSK_RU | PSC_SPIMSK_TR | PSC_SPIMSK_TO
| PSC_SPIMSK_TU | PSC_SPIMSK_SD | PSC_SPIMSK_MD;
- au_sync();
+ wmb(); /* drain writebuffer */
hw->regs->psc_spievent =
PSC_SPIEVNT_MM | PSC_SPIEVNT_RR | PSC_SPIEVNT_RO
| PSC_SPIEVNT_RU | PSC_SPIEVNT_TR | PSC_SPIEVNT_TO
| PSC_SPIEVNT_TU | PSC_SPIEVNT_SD | PSC_SPIEVNT_MD;
- au_sync();
+ wmb(); /* drain writebuffer */
}
static void au1550_spi_reset_fifos(struct au1550_spi *hw)
u32 pcr;
hw->regs->psc_spipcr = PSC_SPIPCR_RC | PSC_SPIPCR_TC;
- au_sync();
+ wmb(); /* drain writebuffer */
do {
pcr = hw->regs->psc_spipcr;
- au_sync();
+ wmb(); /* drain writebuffer */
} while (pcr != 0);
}
au1550_spi_bits_handlers_set(hw, spi->bits_per_word);
cfg = hw->regs->psc_spicfg;
- au_sync();
+ wmb(); /* drain writebuffer */
hw->regs->psc_spicfg = cfg & ~PSC_SPICFG_DE_ENABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
if (spi->mode & SPI_CPOL)
cfg |= PSC_SPICFG_BI;
cfg |= au1550_spi_baudcfg(hw, spi->max_speed_hz);
hw->regs->psc_spicfg = cfg | PSC_SPICFG_DE_ENABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
do {
stat = hw->regs->psc_spistat;
- au_sync();
+ wmb(); /* drain writebuffer */
} while ((stat & PSC_SPISTAT_DR) == 0);
if (hw->pdata->activate_cs)
au1550_spi_bits_handlers_set(hw, spi->bits_per_word);
cfg = hw->regs->psc_spicfg;
- au_sync();
+ wmb(); /* drain writebuffer */
hw->regs->psc_spicfg = cfg & ~PSC_SPICFG_DE_ENABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
if (hw->usedma && bpw <= 8)
cfg &= ~PSC_SPICFG_DD_DISABLE;
cfg |= au1550_spi_baudcfg(hw, hz);
hw->regs->psc_spicfg = cfg;
- au_sync();
+ wmb(); /* drain writebuffer */
if (cfg & PSC_SPICFG_DE_ENABLE) {
do {
stat = hw->regs->psc_spistat;
- au_sync();
+ wmb(); /* drain writebuffer */
} while ((stat & PSC_SPISTAT_DR) == 0);
}
/* by default enable nearly all events interrupt */
hw->regs->psc_spimsk = PSC_SPIMSK_SD;
- au_sync();
+ wmb(); /* drain writebuffer */
/* start the transfer */
hw->regs->psc_spipcr = PSC_SPIPCR_MS;
- au_sync();
+ wmb(); /* drain writebuffer */
wait_for_completion(&hw->master_done);
stat = hw->regs->psc_spistat;
evnt = hw->regs->psc_spievent;
- au_sync();
+ wmb(); /* drain writebuffer */
if ((stat & PSC_SPISTAT_DI) == 0) {
dev_err(hw->dev, "Unexpected IRQ!\n");
return IRQ_NONE;
static void au1550_spi_rx_word_##size(struct au1550_spi *hw) \
{ \
u32 fifoword = hw->regs->psc_spitxrx & (u32)(mask); \
- au_sync(); \
+ wmb(); /* drain writebuffer */ \
if (hw->rx) { \
*(u##size *)hw->rx = (u##size)fifoword; \
hw->rx += (size) / 8; \
if (hw->tx_count >= hw->len) \
fifoword |= PSC_SPITXRX_LC; \
hw->regs->psc_spitxrx = fifoword; \
- au_sync(); \
+ wmb(); /* drain writebuffer */ \
}
AU1550_SPI_RX_WORD(8,0xff)
}
stat = hw->regs->psc_spistat;
- au_sync();
+ wmb(); /* drain writebuffer */
if (stat & PSC_SPISTAT_TF)
break;
}
/* enable event interrupts */
hw->regs->psc_spimsk = mask;
- au_sync();
+ wmb(); /* drain writebuffer */
/* start the transfer */
hw->regs->psc_spipcr = PSC_SPIPCR_MS;
- au_sync();
+ wmb(); /* drain writebuffer */
wait_for_completion(&hw->master_done);
stat = hw->regs->psc_spistat;
evnt = hw->regs->psc_spievent;
- au_sync();
+ wmb(); /* drain writebuffer */
if ((stat & PSC_SPISTAT_DI) == 0) {
dev_err(hw->dev, "Unexpected IRQ!\n");
return IRQ_NONE;
do {
busy = 0;
stat = hw->regs->psc_spistat;
- au_sync();
+ wmb(); /* drain writebuffer */
/*
* Take care to not let the Rx FIFO overflow.
} while (busy);
hw->regs->psc_spievent = PSC_SPIEVNT_RR | PSC_SPIEVNT_TR;
- au_sync();
+ wmb(); /* drain writebuffer */
/*
* Restart the SPI transmission in case of a transmit underflow.
*/
if (evnt & PSC_SPIEVNT_TU) {
hw->regs->psc_spievent = PSC_SPIEVNT_TU | PSC_SPIEVNT_MD;
- au_sync();
+ wmb(); /* drain writebuffer */
hw->regs->psc_spipcr = PSC_SPIPCR_MS;
- au_sync();
+ wmb(); /* drain writebuffer */
}
if (hw->rx_count >= hw->len) {
/* set up the PSC for SPI mode */
hw->regs->psc_ctrl = PSC_CTRL_DISABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
hw->regs->psc_sel = PSC_SEL_PS_SPIMODE;
- au_sync();
+ wmb(); /* drain writebuffer */
hw->regs->psc_spicfg = 0;
- au_sync();
+ wmb(); /* drain writebuffer */
hw->regs->psc_ctrl = PSC_CTRL_ENABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
do {
stat = hw->regs->psc_spistat;
- au_sync();
+ wmb(); /* drain writebuffer */
} while ((stat & PSC_SPISTAT_SR) == 0);
#endif
hw->regs->psc_spicfg = cfg;
- au_sync();
+ wmb(); /* drain writebuffer */
au1550_spi_mask_ack_all(hw);
hw->regs->psc_spicfg |= PSC_SPICFG_DE_ENABLE;
- au_sync();
+ wmb(); /* drain writebuffer */
do {
stat = hw->regs->psc_spistat;
- au_sync();
+ wmb(); /* drain writebuffer */
} while ((stat & PSC_SPISTAT_DR) == 0);
au1550_spi_reset_fifos(hw);
case VESA_NO_BLANKING:
/* Turn on panel */
fbdev->regs->lcd_control |= LCD_CONTROL_GO;
- au_sync();
+ wmb(); /* drain writebuffer */
break;
case VESA_VSYNC_SUSPEND:
case VESA_POWERDOWN:
/* Turn off panel */
fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
- au_sync();
+ wmb(); /* drain writebuffer */
break;
default:
break;
/* Disable the window while making changes, then restore WINEN */
winenable = lcd->winenable & (1 << plane);
- au_sync();
+ wmb(); /* drain writebuffer */
lcd->winenable &= ~(1 << plane);
lcd->window[plane].winctrl0 = winctrl0;
lcd->window[plane].winctrl1 = winctrl1;
lcd->window[plane].winbuf1 = fbdev->fb_phys;
lcd->window[plane].winbufctrl = 0; /* select winbuf0 */
lcd->winenable |= winenable;
- au_sync();
+ wmb(); /* drain writebuffer */
return 0;
}
/* Make sure all windows disabled */
winenable = lcd->winenable;
lcd->winenable = 0;
- au_sync();
+ wmb(); /* drain writebuffer */
/*
* Ensure everything is disabled before reconfiguring
*/
if (lcd->screen & LCD_SCREEN_SEN) {
/* Wait for vertical sync period */
lcd->intstatus = LCD_INT_SS;
- while ((lcd->intstatus & LCD_INT_SS) == 0) {
- au_sync();
- }
+ while ((lcd->intstatus & LCD_INT_SS) == 0)
+ ;
lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/
do {
lcd->intstatus = lcd->intstatus; /*clear interrupts*/
- au_sync();
+ wmb(); /* drain writebuffer */
/*wait for controller to shut down*/
} while ((lcd->intstatus & LCD_INT_SD) == 0);
lcd->pwmhi = panel->mode_pwmhi;
lcd->outmask = panel->mode_outmask;
lcd->fifoctrl = panel->mode_fifoctrl;
- au_sync();
+ wmb(); /* drain writebuffer */
/* fixme: Check window settings to make sure still valid
* for new geometry */
* Re-enable screen now that it is configured
*/
lcd->screen |= LCD_SCREEN_SEN;
- au_sync();
+ wmb(); /* drain writebuffer */
/* Call init of panel */
if (pd->panel_init)
| LCD_WINCTRL2_SCY_1
) ;
lcd->winenable |= win->w[plane].mode_winenable;
- au_sync();
+ wmb(); /* drain writebuffer */
}
if (pdata->flags & SCREEN_MASK)
lcd->colorkeymsk = pdata->mask;
- au_sync();
+ wmb(); /* drain writebuffer */
}
static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
hi1 = (lcd->pwmhi >> 16) + 1;
divider = (lcd->pwmdiv & 0x3FFFF) + 1;
pdata->brightness = ((hi1 << 8) / divider) - 1;
- au_sync();
+ wmb(); /* drain writebuffer */
}
static void set_window(unsigned int plane,
val |= (pdata->enable & 1) << plane;
lcd->winenable = val;
}
- au_sync();
+ wmb(); /* drain writebuffer */
}
static void get_window(unsigned int plane,
pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21;
pdata->enable = (lcd->winenable >> plane) & 1;
- au_sync();
+ wmb(); /* drain writebuffer */
}
static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
{
/* Nothing to do for now, just clear any pending interrupt */
lcd->intstatus = lcd->intstatus;
- au_sync();
+ wmb(); /* drain writebuffer */
return IRQ_HANDLED;
}
au1200_setpanel(NULL, pd);
lcd->outmask = 0;
- au_sync();
+ wmb(); /* drain writebuffer */
return 0;
}
unsigned short retry, tmo;
unsigned long data;
- au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
- au_sync();
+ __raw_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
+ wmb(); /* drain writebuffer */
retry = AC97_RW_RETRIES;
do {
mutex_lock(&pscdata->lock);
- au_writel(PSC_AC97CDC_RD | PSC_AC97CDC_INDX(reg),
+ __raw_writel(PSC_AC97CDC_RD | PSC_AC97CDC_INDX(reg),
AC97_CDC(pscdata));
- au_sync();
+ wmb(); /* drain writebuffer */
tmo = 20;
do {
udelay(21);
- if (au_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)
+ if (__raw_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)
break;
} while (--tmo);
- data = au_readl(AC97_CDC(pscdata));
+ data = __raw_readl(AC97_CDC(pscdata));
- au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
- au_sync();
+ __raw_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
+ wmb(); /* drain writebuffer */
mutex_unlock(&pscdata->lock);
struct au1xpsc_audio_data *pscdata = ac97_to_pscdata(ac97);
unsigned int tmo, retry;
- au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
- au_sync();
+ __raw_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
+ wmb(); /* drain writebuffer */
retry = AC97_RW_RETRIES;
do {
mutex_lock(&pscdata->lock);
- au_writel(PSC_AC97CDC_INDX(reg) | (val & 0xffff),
+ __raw_writel(PSC_AC97CDC_INDX(reg) | (val & 0xffff),
AC97_CDC(pscdata));
- au_sync();
+ wmb(); /* drain writebuffer */
tmo = 20;
do {
udelay(21);
- if (au_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)
+ if (__raw_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)
break;
} while (--tmo);
- au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
- au_sync();
+ __raw_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
+ wmb(); /* drain writebuffer */
mutex_unlock(&pscdata->lock);
} while (--retry && !tmo);
{
struct au1xpsc_audio_data *pscdata = ac97_to_pscdata(ac97);
- au_writel(PSC_AC97RST_SNC, AC97_RST(pscdata));
- au_sync();
+ __raw_writel(PSC_AC97RST_SNC, AC97_RST(pscdata));
+ wmb(); /* drain writebuffer */
msleep(10);
- au_writel(0, AC97_RST(pscdata));
- au_sync();
+ __raw_writel(0, AC97_RST(pscdata));
+ wmb(); /* drain writebuffer */
}
static void au1xpsc_ac97_cold_reset(struct snd_ac97 *ac97)
int i;
/* disable PSC during cold reset */
- au_writel(0, AC97_CFG(au1xpsc_ac97_workdata));
- au_sync();
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(pscdata));
- au_sync();
+ __raw_writel(0, AC97_CFG(au1xpsc_ac97_workdata));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(pscdata));
+ wmb(); /* drain writebuffer */
/* issue cold reset */
- au_writel(PSC_AC97RST_RST, AC97_RST(pscdata));
- au_sync();
+ __raw_writel(PSC_AC97RST_RST, AC97_RST(pscdata));
+ wmb(); /* drain writebuffer */
msleep(500);
- au_writel(0, AC97_RST(pscdata));
- au_sync();
+ __raw_writel(0, AC97_RST(pscdata));
+ wmb(); /* drain writebuffer */
/* enable PSC */
- au_writel(PSC_CTRL_ENABLE, PSC_CTRL(pscdata));
- au_sync();
+ __raw_writel(PSC_CTRL_ENABLE, PSC_CTRL(pscdata));
+ wmb(); /* drain writebuffer */
/* wait for PSC to indicate it's ready */
i = 1000;
- while (!((au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_SR)) && (--i))
+ while (!((__raw_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_SR)) && (--i))
msleep(1);
if (i == 0) {
}
/* enable the ac97 function */
- au_writel(pscdata->cfg | PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
- au_sync();
+ __raw_writel(pscdata->cfg | PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
+ wmb(); /* drain writebuffer */
/* wait for AC97 core to become ready */
i = 1000;
- while (!((au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR)) && (--i))
+ while (!((__raw_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR)) && (--i))
msleep(1);
if (i == 0)
printk(KERN_ERR "au1xpsc-ac97: AC97 ctrl not ready\n");
chans = params_channels(params);
- r = ro = au_readl(AC97_CFG(pscdata));
- stat = au_readl(AC97_STAT(pscdata));
+ r = ro = __raw_readl(AC97_CFG(pscdata));
+ stat = __raw_readl(AC97_STAT(pscdata));
/* already active? */
if (stat & (PSC_AC97STAT_TB | PSC_AC97STAT_RB)) {
mutex_lock(&pscdata->lock);
/* disable AC97 device controller first... */
- au_writel(r & ~PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
- au_sync();
+ __raw_writel(r & ~PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
+ wmb(); /* drain writebuffer */
/* ...wait for it... */
t = 100;
- while ((au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR) && --t)
+ while ((__raw_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR) && --t)
msleep(1);
if (!t)
printk(KERN_ERR "PSC-AC97: can't disable!\n");
/* ...write config... */
- au_writel(r, AC97_CFG(pscdata));
- au_sync();
+ __raw_writel(r, AC97_CFG(pscdata));
+ wmb(); /* drain writebuffer */
/* ...enable the AC97 controller again... */
- au_writel(r | PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
- au_sync();
+ __raw_writel(r | PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
+ wmb(); /* drain writebuffer */
/* ...and wait for ready bit */
t = 100;
- while ((!(au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR)) && --t)
+ while ((!(__raw_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR)) && --t)
msleep(1);
if (!t)
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
- au_writel(AC97PCR_CLRFIFO(stype), AC97_PCR(pscdata));
- au_sync();
- au_writel(AC97PCR_START(stype), AC97_PCR(pscdata));
- au_sync();
+ __raw_writel(AC97PCR_CLRFIFO(stype), AC97_PCR(pscdata));
+ wmb(); /* drain writebuffer */
+ __raw_writel(AC97PCR_START(stype), AC97_PCR(pscdata));
+ wmb(); /* drain writebuffer */
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
- au_writel(AC97PCR_STOP(stype), AC97_PCR(pscdata));
- au_sync();
+ __raw_writel(AC97PCR_STOP(stype), AC97_PCR(pscdata));
+ wmb(); /* drain writebuffer */
- while (au_readl(AC97_STAT(pscdata)) & AC97STAT_BUSY(stype))
+ while (__raw_readl(AC97_STAT(pscdata)) & AC97STAT_BUSY(stype))
asm volatile ("nop");
- au_writel(AC97PCR_CLRFIFO(stype), AC97_PCR(pscdata));
- au_sync();
+ __raw_writel(AC97PCR_CLRFIFO(stype), AC97_PCR(pscdata));
+ wmb(); /* drain writebuffer */
break;
default:
PSC_AC97CFG_DE_ENABLE;
/* preserve PSC clock source set up by platform */
- sel = au_readl(PSC_SEL(wd)) & PSC_SEL_CLK_MASK;
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
- au_sync();
- au_writel(0, PSC_SEL(wd));
- au_sync();
- au_writel(PSC_SEL_PS_AC97MODE | sel, PSC_SEL(wd));
- au_sync();
+ sel = __raw_readl(PSC_SEL(wd)) & PSC_SEL_CLK_MASK;
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(0, PSC_SEL(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_SEL_PS_AC97MODE | sel, PSC_SEL(wd));
+ wmb(); /* drain writebuffer */
/* name the DAI like this device instance ("au1xpsc-ac97.PSCINDEX") */
memcpy(&wd->dai_drv, &au1xpsc_ac97_dai_template,
snd_soc_unregister_component(&pdev->dev);
/* disable PSC completely */
- au_writel(0, AC97_CFG(wd));
- au_sync();
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
- au_sync();
+ __raw_writel(0, AC97_CFG(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
+ wmb(); /* drain writebuffer */
au1xpsc_ac97_workdata = NULL; /* MDEV */
struct au1xpsc_audio_data *wd = dev_get_drvdata(dev);
/* save interesting registers and disable PSC */
- wd->pm[0] = au_readl(PSC_SEL(wd));
+ wd->pm[0] = __raw_readl(PSC_SEL(wd));
- au_writel(0, AC97_CFG(wd));
- au_sync();
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
- au_sync();
+ __raw_writel(0, AC97_CFG(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
+ wmb(); /* drain writebuffer */
return 0;
}
struct au1xpsc_audio_data *wd = dev_get_drvdata(dev);
/* restore PSC clock config */
- au_writel(wd->pm[0] | PSC_SEL_PS_AC97MODE, PSC_SEL(wd));
- au_sync();
+ __raw_writel(wd->pm[0] | PSC_SEL_PS_AC97MODE, PSC_SEL(wd));
+ wmb(); /* drain writebuffer */
/* after this point the ac97 core will cold-reset the codec.
* During cold-reset the PSC is reinitialized and the last
unsigned long stat;
/* check if the PSC is already streaming data */
- stat = au_readl(I2S_STAT(pscdata));
+ stat = __raw_readl(I2S_STAT(pscdata));
if (stat & (PSC_I2SSTAT_TB | PSC_I2SSTAT_RB)) {
/* reject parameters not currently set up in hardware */
- cfgbits = au_readl(I2S_CFG(pscdata));
+ cfgbits = __raw_readl(I2S_CFG(pscdata));
if ((PSC_I2SCFG_GET_LEN(cfgbits) != params->msbits) ||
(params_rate(params) != pscdata->rate))
return -EINVAL;
unsigned long tmo;
/* bring PSC out of sleep, and configure I2S unit */
- au_writel(PSC_CTRL_ENABLE, PSC_CTRL(pscdata));
- au_sync();
+ __raw_writel(PSC_CTRL_ENABLE, PSC_CTRL(pscdata));
+ wmb(); /* drain writebuffer */
tmo = 1000000;
- while (!(au_readl(I2S_STAT(pscdata)) & PSC_I2SSTAT_SR) && tmo)
+ while (!(__raw_readl(I2S_STAT(pscdata)) & PSC_I2SSTAT_SR) && tmo)
tmo--;
if (!tmo)
goto psc_err;
- au_writel(0, I2S_CFG(pscdata));
- au_sync();
- au_writel(pscdata->cfg | PSC_I2SCFG_DE_ENABLE, I2S_CFG(pscdata));
- au_sync();
+ __raw_writel(0, I2S_CFG(pscdata));
+ wmb(); /* drain writebuffer */
+ __raw_writel(pscdata->cfg | PSC_I2SCFG_DE_ENABLE, I2S_CFG(pscdata));
+ wmb(); /* drain writebuffer */
/* wait for I2S controller to become ready */
tmo = 1000000;
- while (!(au_readl(I2S_STAT(pscdata)) & PSC_I2SSTAT_DR) && tmo)
+ while (!(__raw_readl(I2S_STAT(pscdata)) & PSC_I2SSTAT_DR) && tmo)
tmo--;
if (tmo)
return 0;
psc_err:
- au_writel(0, I2S_CFG(pscdata));
- au_writel(PSC_CTRL_SUSPEND, PSC_CTRL(pscdata));
- au_sync();
+ __raw_writel(0, I2S_CFG(pscdata));
+ __raw_writel(PSC_CTRL_SUSPEND, PSC_CTRL(pscdata));
+ wmb(); /* drain writebuffer */
return -ETIMEDOUT;
}
ret = 0;
/* if both TX and RX are idle, configure the PSC */
- stat = au_readl(I2S_STAT(pscdata));
+ stat = __raw_readl(I2S_STAT(pscdata));
if (!(stat & (PSC_I2SSTAT_TB | PSC_I2SSTAT_RB))) {
ret = au1xpsc_i2s_configure(pscdata);
if (ret)
goto out;
}
- au_writel(I2SPCR_CLRFIFO(stype), I2S_PCR(pscdata));
- au_sync();
- au_writel(I2SPCR_START(stype), I2S_PCR(pscdata));
- au_sync();
+ __raw_writel(I2SPCR_CLRFIFO(stype), I2S_PCR(pscdata));
+ wmb(); /* drain writebuffer */
+ __raw_writel(I2SPCR_START(stype), I2S_PCR(pscdata));
+ wmb(); /* drain writebuffer */
/* wait for start confirmation */
tmo = 1000000;
- while (!(au_readl(I2S_STAT(pscdata)) & I2SSTAT_BUSY(stype)) && tmo)
+ while (!(__raw_readl(I2S_STAT(pscdata)) & I2SSTAT_BUSY(stype)) && tmo)
tmo--;
if (!tmo) {
- au_writel(I2SPCR_STOP(stype), I2S_PCR(pscdata));
- au_sync();
+ __raw_writel(I2SPCR_STOP(stype), I2S_PCR(pscdata));
+ wmb(); /* drain writebuffer */
ret = -ETIMEDOUT;
}
out:
{
unsigned long tmo, stat;
- au_writel(I2SPCR_STOP(stype), I2S_PCR(pscdata));
- au_sync();
+ __raw_writel(I2SPCR_STOP(stype), I2S_PCR(pscdata));
+ wmb(); /* drain writebuffer */
/* wait for stop confirmation */
tmo = 1000000;
- while ((au_readl(I2S_STAT(pscdata)) & I2SSTAT_BUSY(stype)) && tmo)
+ while ((__raw_readl(I2S_STAT(pscdata)) & I2SSTAT_BUSY(stype)) && tmo)
tmo--;
/* if both TX and RX are idle, disable PSC */
- stat = au_readl(I2S_STAT(pscdata));
+ stat = __raw_readl(I2S_STAT(pscdata));
if (!(stat & (PSC_I2SSTAT_TB | PSC_I2SSTAT_RB))) {
- au_writel(0, I2S_CFG(pscdata));
- au_sync();
- au_writel(PSC_CTRL_SUSPEND, PSC_CTRL(pscdata));
- au_sync();
+ __raw_writel(0, I2S_CFG(pscdata));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_CTRL_SUSPEND, PSC_CTRL(pscdata));
+ wmb(); /* drain writebuffer */
}
return 0;
}
/* preserve PSC clock source set up by platform (dev.platform_data
* is already occupied by soc layer)
*/
- sel = au_readl(PSC_SEL(wd)) & PSC_SEL_CLK_MASK;
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
- au_sync();
- au_writel(PSC_SEL_PS_I2SMODE | sel, PSC_SEL(wd));
- au_writel(0, I2S_CFG(wd));
- au_sync();
+ sel = __raw_readl(PSC_SEL(wd)) & PSC_SEL_CLK_MASK;
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_SEL_PS_I2SMODE | sel, PSC_SEL(wd));
+ __raw_writel(0, I2S_CFG(wd));
+ wmb(); /* drain writebuffer */
/* preconfigure: set max rx/tx fifo depths */
wd->cfg |= PSC_I2SCFG_RT_FIFO8 | PSC_I2SCFG_TT_FIFO8;
snd_soc_unregister_component(&pdev->dev);
- au_writel(0, I2S_CFG(wd));
- au_sync();
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
- au_sync();
+ __raw_writel(0, I2S_CFG(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
+ wmb(); /* drain writebuffer */
return 0;
}
struct au1xpsc_audio_data *wd = dev_get_drvdata(dev);
/* save interesting register and disable PSC */
- wd->pm[0] = au_readl(PSC_SEL(wd));
+ wd->pm[0] = __raw_readl(PSC_SEL(wd));
- au_writel(0, I2S_CFG(wd));
- au_sync();
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
- au_sync();
+ __raw_writel(0, I2S_CFG(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
+ wmb(); /* drain writebuffer */
return 0;
}
struct au1xpsc_audio_data *wd = dev_get_drvdata(dev);
/* select I2S mode and PSC clock */
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
- au_sync();
- au_writel(0, PSC_SEL(wd));
- au_sync();
- au_writel(wd->pm[0], PSC_SEL(wd));
- au_sync();
+ __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(0, PSC_SEL(wd));
+ wmb(); /* drain writebuffer */
+ __raw_writel(wd->pm[0], PSC_SEL(wd));
+ wmb(); /* drain writebuffer */
return 0;
}
};
/* easy access macros */
-#define PSC_CTRL(x) ((unsigned long)((x)->mmio) + PSC_CTRL_OFFSET)
-#define PSC_SEL(x) ((unsigned long)((x)->mmio) + PSC_SEL_OFFSET)
-#define I2S_STAT(x) ((unsigned long)((x)->mmio) + PSC_I2SSTAT_OFFSET)
-#define I2S_CFG(x) ((unsigned long)((x)->mmio) + PSC_I2SCFG_OFFSET)
-#define I2S_PCR(x) ((unsigned long)((x)->mmio) + PSC_I2SPCR_OFFSET)
-#define AC97_CFG(x) ((unsigned long)((x)->mmio) + PSC_AC97CFG_OFFSET)
-#define AC97_CDC(x) ((unsigned long)((x)->mmio) + PSC_AC97CDC_OFFSET)
-#define AC97_EVNT(x) ((unsigned long)((x)->mmio) + PSC_AC97EVNT_OFFSET)
-#define AC97_PCR(x) ((unsigned long)((x)->mmio) + PSC_AC97PCR_OFFSET)
-#define AC97_RST(x) ((unsigned long)((x)->mmio) + PSC_AC97RST_OFFSET)
-#define AC97_STAT(x) ((unsigned long)((x)->mmio) + PSC_AC97STAT_OFFSET)
+#define PSC_CTRL(x) ((x)->mmio + PSC_CTRL_OFFSET)
+#define PSC_SEL(x) ((x)->mmio + PSC_SEL_OFFSET)
+#define I2S_STAT(x) ((x)->mmio + PSC_I2SSTAT_OFFSET)
+#define I2S_CFG(x) ((x)->mmio + PSC_I2SCFG_OFFSET)
+#define I2S_PCR(x) ((x)->mmio + PSC_I2SPCR_OFFSET)
+#define AC97_CFG(x) ((x)->mmio + PSC_AC97CFG_OFFSET)
+#define AC97_CDC(x) ((x)->mmio + PSC_AC97CDC_OFFSET)
+#define AC97_EVNT(x) ((x)->mmio + PSC_AC97EVNT_OFFSET)
+#define AC97_PCR(x) ((x)->mmio + PSC_AC97PCR_OFFSET)
+#define AC97_RST(x) ((x)->mmio + PSC_AC97RST_OFFSET)
+#define AC97_STAT(x) ((x)->mmio + PSC_AC97STAT_OFFSET)
#endif
projects / platform / kernel / linux-rpi.git / commitdiff