/*
- * linux/drivers/mmc/wbsd.c - Winbond W83L51xD SD/MMC driver
+ * linux/drivers/mmc/host/wbsd.c - Winbond W83L51xD SD/MMC driver
*
* Copyright (C) 2004-2007 Pierre Ossman, All Rights Reserved.
*
#include <linux/pnp.h>
#include <linux/highmem.h>
#include <linux/mmc/host.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
#include <asm/dma.h>
-#include <asm/scatterlist.h>
#include "wbsd.h"
{
unsigned long dmaflags;
- DBGF("Ending request, cmd (%x)\n", mrq->cmd->opcode);
-
if (host->dma >= 0) {
/*
* Release ISA DMA controller.
static inline char *wbsd_sg_to_buffer(struct wbsd_host *host)
{
- return page_address(host->cur_sg->page) + host->cur_sg->offset;
+ return sg_virt(host->cur_sg);
}
static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data)
len = data->sg_len;
for (i = 0; i < len; i++) {
- sgbuf = page_address(sg[i].page) + sg[i].offset;
+ sgbuf = sg_virt(&sg[i]);
memcpy(dmabuf, sgbuf, sg[i].length);
dmabuf += sg[i].length;
}
len = data->sg_len;
for (i = 0; i < len; i++) {
- sgbuf = page_address(sg[i].page) + sg[i].offset;
+ sgbuf = sg_virt(&sg[i]);
memcpy(sgbuf, dmabuf, sg[i].length);
dmabuf += sg[i].length;
}
* Correct response type?
*/
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) {
- cmd->error = MMC_ERR_INVALID;
+ cmd->error = -EILSEQ;
return;
}
* Correct response type?
*/
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) {
- cmd->error = MMC_ERR_INVALID;
+ cmd->error = -EILSEQ;
return;
}
int i;
u8 status, isr;
- DBGF("Sending cmd (%x)\n", cmd->opcode);
-
/*
* Clear accumulated ISR. The interrupt routine
* will fill this one with events that occur during
for (i = 3; i >= 0; i--)
outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR);
- cmd->error = MMC_ERR_NONE;
+ cmd->error = 0;
/*
* Wait for the request to complete.
/* Card removed? */
if (isr & WBSD_INT_CARD)
- cmd->error = MMC_ERR_TIMEOUT;
+ cmd->error = -ENOMEDIUM;
/* Timeout? */
else if (isr & WBSD_INT_TIMEOUT)
- cmd->error = MMC_ERR_TIMEOUT;
+ cmd->error = -ETIMEDOUT;
/* CRC? */
else if ((cmd->flags & MMC_RSP_CRC) && (isr & WBSD_INT_CRC))
- cmd->error = MMC_ERR_BADCRC;
+ cmd->error = -EILSEQ;
/* All ok */
else {
if (cmd->flags & MMC_RSP_136)
wbsd_get_short_reply(host, cmd);
}
}
-
- DBGF("Sent cmd (%x), res %d\n", cmd->opcode, cmd->error);
}
/*
unsigned long dmaflags;
unsigned int size;
- DBGF("blksz %04x blks %04x flags %08x\n",
- data->blksz, data->blocks, data->flags);
- DBGF("tsac %d ms nsac %d clk\n",
- data->timeout_ns / 1000000, data->timeout_clks);
-
/*
* Calculate size.
*/
((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH);
wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
} else {
- data->error = MMC_ERR_INVALID;
+ data->error = -EINVAL;
return;
}
*/
BUG_ON(size > 0x10000);
if (size > 0x10000) {
- data->error = MMC_ERR_INVALID;
+ data->error = -EINVAL;
return;
}
}
}
- data->error = MMC_ERR_NONE;
+ data->error = 0;
}
static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
"%d bytes left.\n",
mmc_hostname(host->mmc), count);
- if (data->error == MMC_ERR_NONE)
- data->error = MMC_ERR_FAILED;
+ if (!data->error)
+ data->error = -EIO;
} else {
/*
* Transfer data from DMA buffer to
wbsd_dma_to_sg(host, data);
}
- if (data->error != MMC_ERR_NONE) {
+ if (data->error) {
if (data->bytes_xfered)
data->bytes_xfered -= data->blksz;
}
}
- DBGF("Ending data transfer (%d bytes)\n", data->bytes_xfered);
-
wbsd_request_end(host, host->mrq);
}
host->mrq = mrq;
/*
- * If there is no card in the slot then
- * timeout immediatly.
+ * Check that there is actually a card in the slot.
*/
if (!(host->flags & WBSD_FCARD_PRESENT)) {
- cmd->error = MMC_ERR_TIMEOUT;
+ cmd->error = -ENOMEDIUM;
goto done;
}
"supported by this controller.\n",
mmc_hostname(host->mmc), cmd->opcode);
#endif
- cmd->error = MMC_ERR_INVALID;
+ cmd->error = -EINVAL;
goto done;
};
if (cmd->data) {
wbsd_prepare_data(host, cmd->data);
- if (cmd->data->error != MMC_ERR_NONE)
+ if (cmd->data->error)
goto done;
}
* will be finished after the data has
* transfered.
*/
- if (cmd->data && (cmd->error == MMC_ERR_NONE)) {
+ if (cmd->data && !cmd->error) {
/*
* Dirty fix for hardware bug.
*/
mmc_hostname(host->mmc));
wbsd_reset(host);
- host->mrq->cmd->error = MMC_ERR_FAILED;
+ host->mrq->cmd->error = -ENOMEDIUM;
tasklet_schedule(&host->finish_tasklet);
}
DBGF("CRC error\n");
- data->error = MMC_ERR_BADCRC;
+ data->error = -EILSEQ;
tasklet_schedule(&host->finish_tasklet);
DBGF("Timeout\n");
- data->error = MMC_ERR_TIMEOUT;
+ data->error = -ETIMEDOUT;
tasklet_schedule(&host->finish_tasklet);
mmc->f_min = 375000;
mmc->f_max = 24000000;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK;
+ mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE;
spin_lock_init(&host->lock);
return 0;
}
-static void __devexit wbsd_free_mmc(struct device *dev)
+static void wbsd_free_mmc(struct device *dev)
{
struct mmc_host *mmc;
struct wbsd_host *host;
return 0;
}
-static void __devexit wbsd_release_regions(struct wbsd_host *host)
+static void wbsd_release_regions(struct wbsd_host *host)
{
if (host->base)
release_region(host->base, 8);
"Falling back on FIFO.\n", dma);
}
-static void __devexit wbsd_release_dma(struct wbsd_host *host)
+static void wbsd_release_dma(struct wbsd_host *host)
{
if (host->dma_addr) {
dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,
return 0;
}
-static void __devexit wbsd_release_irq(struct wbsd_host *host)
+static void wbsd_release_irq(struct wbsd_host *host)
{
if (!host->irq)
return;
* Release all resources for the host.
*/
-static void __devexit wbsd_release_resources(struct wbsd_host *host)
+static void wbsd_release_resources(struct wbsd_host *host)
{
wbsd_release_dma(host);
wbsd_release_irq(host);
.resume = wbsd_platform_resume,
.driver = {
.name = DRIVER_NAME,
+ .owner = THIS_MODULE,
},
};
projects / linux-2.6-omap-h63xx.git / blobdiff