Clean out trailing whitespace caused by not-so-great editor since it
generates a lot of problems with editors configured to automatically
strip whitespace.
Signed-off-by: Pierre Ossman <[email protected]>
---
drivers/mmc/wbsd.c | 426
++++++++++++++++++++++++++--------------------------
drivers/mmc/wbsd.h | 22 +--
2 files changed, 224 insertions(+), 224 deletions(-)
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -93,7 +93,7 @@ static int dma = 2;
static inline void wbsd_unlock_config(struct wbsd_host* host)
{
BUG_ON(host->config == 0);
-
+
outb(host->unlock_code, host->config);
outb(host->unlock_code, host->config);
}
@@ -101,14 +101,14 @@ static inline void wbsd_unlock_config(st
static inline void wbsd_lock_config(struct wbsd_host* host)
{
BUG_ON(host->config == 0);
-
+
outb(LOCK_CODE, host->config);
}
static inline void wbsd_write_config(struct wbsd_host* host, u8 reg, u8
value)
{
BUG_ON(host->config == 0);
-
+
outb(reg, host->config);
outb(value, host->config + 1);
}
@@ -116,7 +116,7 @@ static inline void wbsd_write_config(str
static inline u8 wbsd_read_config(struct wbsd_host* host, u8 reg)
{
BUG_ON(host->config == 0);
-
+
outb(reg, host->config);
return inb(host->config + 1);
}
@@ -140,21 +140,21 @@ static inline u8 wbsd_read_index(struct
static void wbsd_init_device(struct wbsd_host* host)
{
u8 setup, ier;
-
+
/*
* Reset chip (SD/MMC part) and fifo.
*/
setup = wbsd_read_index(host, WBSD_IDX_SETUP);
setup |= WBSD_FIFO_RESET | WBSD_SOFT_RESET;
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
-
+
/*
* Set DAT3 to input
*/
setup &= ~WBSD_DAT3_H;
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
host->flags &= ~WBSD_FIGNORE_DETECT;
-
+
/*
* Read back default clock.
*/
@@ -164,12 +164,12 @@ static void wbsd_init_device(struct wbsd
* Power down port.
*/
outb(WBSD_POWER_N, host->base + WBSD_CSR);
-
+
/*
* Set maximum timeout.
*/
wbsd_write_index(host, WBSD_IDX_TAAC, 0x7F);
-
+
/*
* Test for card presence
*/
@@ -177,7 +177,7 @@ static void wbsd_init_device(struct wbsd
host->flags |= WBSD_FCARD_PRESENT;
else
host->flags &= ~WBSD_FCARD_PRESENT;
-
+
/*
* Enable interesting interrupts.
*/
@@ -200,9 +200,9 @@ static void wbsd_init_device(struct wbsd
static void wbsd_reset(struct wbsd_host* host)
{
u8 setup;
-
+
printk(KERN_ERR DRIVER_NAME ": Resetting chip\n");
-
+
/*
* Soft reset of chip (SD/MMC part).
*/
@@ -214,9 +214,9 @@ static void wbsd_reset(struct wbsd_host*
static void wbsd_request_end(struct wbsd_host* host, struct
mmc_request* mrq)
{
unsigned long dmaflags;
-
+
DBGF("Ending request, cmd (%x)\n", mrq->cmd->opcode);
-
+
if (host->dma >= 0)
{
/*
@@ -232,7 +232,7 @@ static void wbsd_request_end(struct wbsd
*/
wbsd_write_index(host, WBSD_IDX_DMA, 0);
}
-
+
host->mrq = NULL;
/*
@@ -275,7 +275,7 @@ static inline int wbsd_next_sg(struct wb
host->offset = 0;
host->remain = host->cur_sg->length;
}
-
+
return host->num_sg;
}
@@ -297,12 +297,12 @@ static inline void wbsd_sg_to_dma(struct
struct scatterlist* sg;
char* dmabuf = host->dma_buffer;
char* sgbuf;
-
+
size = host->size;
-
+
sg = data->sg;
len = data->sg_len;
-
+
/*
* Just loop through all entries. Size might not
* be the entire list though so make sure that
@@ -317,23 +317,23 @@ static inline void wbsd_sg_to_dma(struct
memcpy(dmabuf, sgbuf, sg[i].length);
kunmap_atomic(sgbuf, KM_BIO_SRC_IRQ);
dmabuf += sg[i].length;
-
+
if (size < sg[i].length)
size = 0;
else
size -= sg[i].length;
-
+
if (size == 0)
break;
}
-
+
/*
* Check that we didn't get a request to transfer
* more data than can fit into the SG list.
*/
-
+
BUG_ON(size != 0);
-
+
host->size -= size;
}
@@ -343,12 +343,12 @@ static inline void wbsd_dma_to_sg(struct
struct scatterlist* sg;
char* dmabuf = host->dma_buffer;
char* sgbuf;
-
+
size = host->size;
-
+
sg = data->sg;
len = data->sg_len;
-
+
/*
* Just loop through all entries. Size might not
* be the entire list though so make sure that
@@ -363,30 +363,30 @@ static inline void wbsd_dma_to_sg(struct
memcpy(sgbuf, dmabuf, sg[i].length);
kunmap_atomic(sgbuf, KM_BIO_SRC_IRQ);
dmabuf += sg[i].length;
-
+
if (size < sg[i].length)
size = 0;
else
size -= sg[i].length;
-
+
if (size == 0)
break;
}
-
+
/*
* Check that we didn't get a request to transfer
* more data than can fit into the SG list.
*/
-
+
BUG_ON(size != 0);
-
+
host->size -= size;
}
/*
* Command handling
*/
-
+
static inline void wbsd_get_short_reply(struct wbsd_host* host,
struct mmc_command* cmd)
{
@@ -398,7 +398,7 @@ static inline void wbsd_get_short_reply(
cmd->error = MMC_ERR_INVALID;
return;
}
-
+
cmd->resp[0] =
wbsd_read_index(host, WBSD_IDX_RESP12) << 24;
cmd->resp[0] |=
@@ -415,7 +415,7 @@ static inline void wbsd_get_long_reply(s
struct mmc_command* cmd)
{
int i;
-
+
/*
* Correct response type?
*/
@@ -424,7 +424,7 @@ static inline void wbsd_get_long_reply(s
cmd->error = MMC_ERR_INVALID;
return;
}
-
+
for (i = 0;i < 4;i++)
{
cmd->resp[i] =
@@ -442,7 +442,7 @@ static void wbsd_send_command(struct wbs
{
int i;
u8 status, isr;
-
+
DBGF("Sending cmd (%x)\n", cmd->opcode);
/*
@@ -451,16 +451,16 @@ static void wbsd_send_command(struct wbs
* transfer.
*/
host->isr = 0;
-
+
/*
* Send the command (CRC calculated by host).
*/
outb(cmd->opcode, host->base + WBSD_CMDR);
for (i = 3;i >= 0;i--)
outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR);
-
+
cmd->error = MMC_ERR_NONE;
-
+
/*
* Wait for the request to complete.
*/
@@ -477,7 +477,7 @@ static void wbsd_send_command(struct wbs
* Read back status.
*/
isr = host->isr;
-
+
/* Card removed? */
if (isr & WBSD_INT_CARD)
cmd->error = MMC_ERR_TIMEOUT;
@@ -509,13 +509,13 @@ static void wbsd_empty_fifo(struct wbsd_
struct mmc_data* data = host->mrq->cmd->data;
char* buffer;
int i, fsr, fifo;
-
+
/*
* Handle excessive data.
*/
if (data->bytes_xfered == host->size)
return;
-
+
buffer = wbsd_kmap_sg(host) + host->offset;
/*
@@ -527,14 +527,14 @@ static void wbsd_empty_fifo(struct wbsd_
/*
* The size field in the FSR is broken so we have to
* do some guessing.
- */
+ */
if (fsr & WBSD_FIFO_FULL)
fifo = 16;
else if (fsr & WBSD_FIFO_FUTHRE)
fifo = 8;
else
fifo = 1;
-
+
for (i = 0;i < fifo;i++)
{
*buffer = inb(host->base + WBSD_DFR);
@@ -543,23 +543,23 @@ static void wbsd_empty_fifo(struct wbsd_
host->remain--;
data->bytes_xfered++;
-
+
/*
* Transfer done?
*/
if (data->bytes_xfered == host->size)
{
- wbsd_kunmap_sg(host);
+ wbsd_kunmap_sg(host);
return;
}
-
+
/*
* End of scatter list entry?
*/
if (host->remain == 0)
{
wbsd_kunmap_sg(host);
-
+
/*
* Get next entry. Check if last.
*/
@@ -572,17 +572,17 @@ static void wbsd_empty_fifo(struct wbsd_
* into the scatter list.
*/
BUG_ON(1);
-
+
host->size = data->bytes_xfered;
-
+
return;
}
-
+
buffer = wbsd_kmap_sg(host);
}
}
}
-
+
wbsd_kunmap_sg(host);
/*
@@ -599,7 +599,7 @@ static void wbsd_fill_fifo(struct wbsd_h
struct mmc_data* data = host->mrq->cmd->data;
char* buffer;
int i, fsr, fifo;
-
+
/*
* Check that we aren't being called after the
* entire buffer has been transfered.
@@ -618,7 +618,7 @@ static void wbsd_fill_fifo(struct wbsd_h
/*
* The size field in the FSR is broken so we have to
* do some guessing.
- */
+ */
if (fsr & WBSD_FIFO_EMPTY)
fifo = 0;
else if (fsr & WBSD_FIFO_EMTHRE)
@@ -632,9 +632,9 @@ static void wbsd_fill_fifo(struct wbsd_h
buffer++;
host->offset++;
host->remain--;
-
+
data->bytes_xfered++;
-
+
/*
* Transfer done?
*/
@@ -650,7 +650,7 @@ static void wbsd_fill_fifo(struct wbsd_h
if (host->remain == 0)
{
wbsd_kunmap_sg(host);
-
+
/*
* Get next entry. Check if last.
*/
@@ -663,19 +663,19 @@ static void wbsd_fill_fifo(struct wbsd_h
* into the scatter list.
*/
BUG_ON(1);
-
+
host->size = data->bytes_xfered;
-
+
return;
}
-
+
buffer = wbsd_kmap_sg(host);
}
}
}
-
+
wbsd_kunmap_sg(host);
-
+
/*
* The controller stops sending interrupts for
* 'FIFO empty' under certain conditions. So we
@@ -694,7 +694,7 @@ static void wbsd_prepare_data(struct wbs
1 << data->blksz_bits, data->blocks, data->flags);
DBGF("tsac %d ms nsac %d clk\n",
data->timeout_ns / 1000000, data->timeout_clks);
-
+
/*
* Calculate size.
*/
@@ -708,12 +708,12 @@ static void wbsd_prepare_data(struct wbs
wbsd_write_index(host, WBSD_IDX_TAAC, 127);
else
wbsd_write_index(host, WBSD_IDX_TAAC, data->timeout_ns/1000000);
-
+
if (data->timeout_clks > 255)
wbsd_write_index(host, WBSD_IDX_NSAC, 255);
else
wbsd_write_index(host, WBSD_IDX_NSAC, data->timeout_clks);
-
+
/*
* Inform the chip of how large blocks will be
* sent. It needs this to determine when to
@@ -732,7 +732,7 @@ static void wbsd_prepare_data(struct wbs
else if (host->bus_width == MMC_BUS_WIDTH_4)
{
blksize = (1 << data->blksz_bits) + 2 * 4;
-
+
wbsd_write_index(host, WBSD_IDX_PBSMSB, ((blksize >> 4) & 0xF0)
| WBSD_DATA_WIDTH);
wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
@@ -751,12 +751,12 @@ static void wbsd_prepare_data(struct wbs
setup = wbsd_read_index(host, WBSD_IDX_SETUP);
setup |= WBSD_FIFO_RESET;
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
-
+
/*
* DMA transfer?
*/
if (host->dma >= 0)
- {
+ {
/*
* The buffer for DMA is only 64 kB.
*/
@@ -766,17 +766,17 @@ static void wbsd_prepare_data(struct wbs
data->error = MMC_ERR_INVALID;
return;
}
-
+
/*
* Transfer data from the SG list to
* the DMA buffer.
*/
if (data->flags & MMC_DATA_WRITE)
wbsd_sg_to_dma(host, data);
-
+
/*
* Initialise the ISA DMA controller.
- */
+ */
dmaflags = claim_dma_lock();
disable_dma(host->dma);
clear_dma_ff(host->dma);
@@ -802,17 +802,17 @@ static void wbsd_prepare_data(struct wbs
* output to a minimum.
*/
host->firsterr = 1;
-
+
/*
* Initialise the SG list.
*/
wbsd_init_sg(host, data);
-
+
/*
* Turn off DMA.
*/
wbsd_write_index(host, WBSD_IDX_DMA, 0);
-
+
/*
* Set up FIFO threshold levels (and fill
* buffer if doing a write).
@@ -828,8 +828,8 @@ static void wbsd_prepare_data(struct wbs
WBSD_FIFOEN_EMPTY | 8);
wbsd_fill_fifo(host);
}
- }
-
+ }
+
data->error = MMC_ERR_NONE;
}
@@ -838,7 +838,7 @@ static void wbsd_finish_data(struct wbsd
unsigned long dmaflags;
int count;
u8 status;
-
+
WARN_ON(host->mrq == NULL);
/*
@@ -855,7 +855,7 @@ static void wbsd_finish_data(struct wbsd
{
status = wbsd_read_index(host, WBSD_IDX_STATUS);
} while (status & (WBSD_BLOCK_READ | WBSD_BLOCK_WRITE));
-
+
/*
* DMA transfer?
*/
@@ -865,7 +865,7 @@ static void wbsd_finish_data(struct wbsd
* Disable DMA on the host.
*/
wbsd_write_index(host, WBSD_IDX_DMA, 0);
-
+
/*
* Turn of ISA DMA controller.
*/
@@ -874,7 +874,7 @@ static void wbsd_finish_data(struct wbsd
clear_dma_ff(host->dma);
count = get_dma_residue(host->dma);
release_dma_lock(dmaflags);
-
+
/*
* Any leftover data?
*/
@@ -882,7 +882,7 @@ static void wbsd_finish_data(struct wbsd
{
printk(KERN_ERR DRIVER_NAME ": Incomplete DMA "
"transfer. %d bytes left.\n", count);
-
+
data->error = MMC_ERR_FAILED;
}
else
@@ -893,13 +893,13 @@ static void wbsd_finish_data(struct wbsd
*/
if (data->flags & MMC_DATA_READ)
wbsd_dma_to_sg(host, data);
-
+
data->bytes_xfered = host->size;
}
}
-
+
DBGF("Ending data transfer (%d bytes)\n", data->bytes_xfered);
-
+
wbsd_request_end(host, host->mrq);
}
@@ -924,7 +924,7 @@ static void wbsd_request(struct mmc_host
cmd = mrq->cmd;
host->mrq = mrq;
-
+
/*
* If there is no card in the slot then
* timeout immediatly.
@@ -941,18 +941,18 @@ static void wbsd_request(struct mmc_host
if (cmd->data)
{
wbsd_prepare_data(host, cmd->data);
-
+
if (cmd->data->error != MMC_ERR_NONE)
goto done;
}
-
+
wbsd_send_command(host, cmd);
/*
* If this is a data transfer the request
* will be finished after the data has
* transfered.
- */
+ */
if (cmd->data && (cmd->error == MMC_ERR_NONE))
{
/*
@@ -965,7 +965,7 @@ static void wbsd_request(struct mmc_host
return;
}
-
+
done:
wbsd_request_end(host, mrq);
@@ -976,7 +976,7 @@ static void wbsd_set_ios(struct mmc_host
{
struct wbsd_host* host = mmc_priv(mmc);
u8 clk, setup, pwr;
-
+
DBGF("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
ios->vdd, ios->bus_width);
@@ -989,7 +989,7 @@ static void wbsd_set_ios(struct mmc_host
*/
if (ios->power_mode == MMC_POWER_OFF)
wbsd_init_device(host);
-
+
if (ios->clock >= 24000000)
clk = WBSD_CLK_24M;
else if (ios->clock >= 16000000)
@@ -1042,7 +1042,7 @@ static void wbsd_set_ios(struct mmc_host
mod_timer(&host->ignore_timer, jiffies + HZ/100);
}
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
-
+
/*
* Store bus width for later. Will be used when
* setting up the data transfer.
@@ -1117,12 +1117,12 @@ static void wbsd_reset_ignore(unsigned l
static void wbsd_detect_card(unsigned long data)
{
struct wbsd_host *host = (struct wbsd_host*)data;
-
+
BUG_ON(host == NULL);
-
+
DBG("Executing card detection\n");
-
- mmc_detect_change(host->mmc, 0);
+
+ mmc_detect_change(host->mmc, 0);
}
/*
@@ -1142,7 +1142,7 @@ static inline struct mmc_data* wbsd_get_
WARN_ON(!host->mrq->cmd->data);
if (!host->mrq->cmd->data)
return NULL;
-
+
return host->mrq->cmd->data;
}
@@ -1150,49 +1150,49 @@ static void wbsd_tasklet_card(unsigned l
{
struct wbsd_host* host = (struct wbsd_host*)param;
u8 csr;
-
+
spin_lock(&host->lock);
-
+
if (host->flags & WBSD_FIGNORE_DETECT)
{
spin_unlock(&host->lock);
return;
}
-
+
csr = inb(host->base + WBSD_CSR);
WARN_ON(csr == 0xff);
-
+
if (csr & WBSD_CARDPRESENT)
{
if (!(host->flags & WBSD_FCARD_PRESENT))
{
DBG("Card inserted\n");
host->flags |= WBSD_FCARD_PRESENT;
-
+
/*
* Delay card detection to allow electrical connections
* to stabilise.
*/
mod_timer(&host->detect_timer, jiffies + HZ/2);
}
-
+
spin_unlock(&host->lock);
}
else if (host->flags & WBSD_FCARD_PRESENT)
{
DBG("Card removed\n");
host->flags &= ~WBSD_FCARD_PRESENT;
-
+
if (host->mrq)
{
printk(KERN_ERR DRIVER_NAME
": Card removed during transfer!\n");
wbsd_reset(host);
-
+
host->mrq->cmd->error = MMC_ERR_FAILED;
tasklet_schedule(&host->finish_tasklet);
}
-
+
/*
* Unlock first since we might get a call back.
*/
@@ -1208,12 +1208,12 @@ static void wbsd_tasklet_fifo(unsigned l
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
-
+
spin_lock(&host->lock);
-
+
if (!host->mrq)
goto end;
-
+
data = wbsd_get_data(host);
if (!data)
goto end;
@@ -1232,7 +1232,7 @@ static void wbsd_tasklet_fifo(unsigned l
tasklet_schedule(&host->finish_tasklet);
}
-end:
+end:
spin_unlock(&host->lock);
}
@@ -1240,23 +1240,23 @@ static void wbsd_tasklet_crc(unsigned lo
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
-
+
spin_lock(&host->lock);
-
+
if (!host->mrq)
goto end;
-
+
data = wbsd_get_data(host);
if (!data)
goto end;
-
+
DBGF("CRC error\n");
data->error = MMC_ERR_BADCRC;
-
+
tasklet_schedule(&host->finish_tasklet);
-end:
+end:
spin_unlock(&host->lock);
}
@@ -1264,23 +1264,23 @@ static void wbsd_tasklet_timeout(unsigne
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
-
+
spin_lock(&host->lock);
-
+
if (!host->mrq)
goto end;
-
+
data = wbsd_get_data(host);
if (!data)
goto end;
-
+
DBGF("Timeout\n");
data->error = MMC_ERR_TIMEOUT;
-
+
tasklet_schedule(&host->finish_tasklet);
-end:
+end:
spin_unlock(&host->lock);
}
@@ -1288,20 +1288,20 @@ static void wbsd_tasklet_finish(unsigned
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
-
+
spin_lock(&host->lock);
-
+
WARN_ON(!host->mrq);
if (!host->mrq)
goto end;
-
+
data = wbsd_get_data(host);
if (!data)
goto end;
wbsd_finish_data(host, data);
-
-end:
+
+end:
spin_unlock(&host->lock);
}
@@ -1309,7 +1309,7 @@ static void wbsd_tasklet_block(unsigned
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
-
+
spin_lock(&host->lock);
if ((wbsd_read_index(host, WBSD_IDX_CRCSTATUS) & WBSD_CRC_MASK) !=
@@ -1318,15 +1318,15 @@ static void wbsd_tasklet_block(unsigned
data = wbsd_get_data(host);
if (!data)
goto end;
-
+
DBGF("CRC error\n");
data->error = MMC_ERR_BADCRC;
-
+
tasklet_schedule(&host->finish_tasklet);
}
-end:
+end:
spin_unlock(&host->lock);
}
@@ -1338,7 +1338,7 @@ static irqreturn_t wbsd_irq(int irq, voi
{
struct wbsd_host* host = dev_id;
int isr;
-
+
isr = inb(host->base + WBSD_ISR);
/*
@@ -1346,7 +1346,7 @@ static irqreturn_t wbsd_irq(int irq, voi
*/
if (isr == 0xff || isr == 0x00)
return IRQ_NONE;
-
+
host->isr |= isr;
/*
@@ -1364,7 +1364,7 @@ static irqreturn_t wbsd_irq(int irq, voi
tasklet_hi_schedule(&host->block_tasklet);
if (isr & WBSD_INT_TC)
tasklet_schedule(&host->finish_tasklet);
-
+
return IRQ_HANDLED;
}
@@ -1382,14 +1382,14 @@ static int __devinit wbsd_alloc_mmc(stru
{
struct mmc_host* mmc;
struct wbsd_host* host;
-
+
/*
* Allocate MMC structure.
*/
mmc = mmc_alloc_host(sizeof(struct wbsd_host), dev);
if (!mmc)
return -ENOMEM;
-
+
host = mmc_priv(mmc);
host->mmc = mmc;
@@ -1403,9 +1403,9 @@ static int __devinit wbsd_alloc_mmc(stru
mmc->f_max = 24000000;
mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34;
mmc->caps = MMC_CAP_4_BIT_DATA;
-
+
spin_lock_init(&host->lock);
-
+
/*
* Set up timers
*/
@@ -1416,28 +1416,28 @@ static int __devinit wbsd_alloc_mmc(stru
init_timer(&host->ignore_timer);
host->ignore_timer.data = (unsigned long)host;
host->ignore_timer.function = wbsd_reset_ignore;
-
+
/*
* Maximum number of segments. Worst case is one sector per segment
* so this will be 64kB/512.
*/
mmc->max_hw_segs = 128;
mmc->max_phys_segs = 128;
-
+
/*
* Maximum number of sectors in one transfer. Also limited by 64kB
* buffer.
*/
mmc->max_sectors = 128;
-
+
/*
* Maximum segment size. Could be one segment with the maximum number
* of segments.
*/
mmc->max_seg_size = mmc->max_sectors * 512;
-
+
dev_set_drvdata(dev, mmc);
-
+
return 0;
}
@@ -1445,19 +1445,19 @@ static void __devexit wbsd_free_mmc(stru
{
struct mmc_host* mmc;
struct wbsd_host* host;
-
+
mmc = dev_get_drvdata(dev);
if (!mmc)
return;
-
+
host = mmc_priv(mmc);
BUG_ON(host == NULL);
-
+
del_timer_sync(&host->ignore_timer);
del_timer_sync(&host->detect_timer);
-
+
mmc_free_host(mmc);
-
+
dev_set_drvdata(dev, NULL);
}
@@ -1469,7 +1469,7 @@ static int __devinit wbsd_scan(struct wb
{
int i, j, k;
int id;
-
+
/*
* Iterate through all ports, all codes to
* find hardware that is in our known list.
@@ -1478,32 +1478,32 @@ static int __devinit wbsd_scan(struct wb
{
if (!request_region(config_ports[i], 2, DRIVER_NAME))
continue;
-
+
for (j = 0;j < sizeof(unlock_codes)/sizeof(int);j++)
{
id = 0xFFFF;
-
+
outb(unlock_codes[j], config_ports[i]);
outb(unlock_codes[j], config_ports[i]);
-
+
outb(WBSD_CONF_ID_HI, config_ports[i]);
id = inb(config_ports[i] + 1) << 8;
outb(WBSD_CONF_ID_LO, config_ports[i]);
id |= inb(config_ports[i] + 1);
-
+
for (k = 0;k < sizeof(valid_ids)/sizeof(int);k++)
{
if (id == valid_ids[k])
- {
+ {
host->chip_id = id;
host->config = config_ports[i];
host->unlock_code = unlock_codes[i];
-
+
return 0;
}
}
-
+
if (id != 0xFFFF)
{
DBG("Unknown hardware (id %x) found at %x\n",
@@ -1512,10 +1512,10 @@ static int __devinit wbsd_scan(struct wb
outb(LOCK_CODE, config_ports[i]);
}
-
+
release_region(config_ports[i], 2);
}
-
+
return -ENODEV;
}
@@ -1527,12 +1527,12 @@ static int __devinit wbsd_request_region
{
if (io & 0x7)
return -EINVAL;
-
+
if (!request_region(base, 8, DRIVER_NAME))
return -EIO;
-
+
host->base = io;
-
+
return 0;
}
@@ -1540,12 +1540,12 @@ static void __devexit wbsd_release_regio
{
if (host->base)
release_region(host->base, 8);
-
+
host->base = 0;
if (host->config)
release_region(host->config, 2);
-
+
host->config = 0;
}
@@ -1557,10 +1557,10 @@ static void __devinit wbsd_request_dma(s
{
if (dma < 0)
return;
-
+
if (request_dma(dma, DRIVER_NAME))
goto err;
-
+
/*
* We need to allocate a special buffer in
* order for ISA to be able to DMA to it.
@@ -1575,7 +1575,7 @@ static void __devinit wbsd_request_dma(s
*/
host->dma_addr = dma_map_single(host->mmc->dev, host->dma_buffer,
WBSD_DMA_SIZE, DMA_BIDIRECTIONAL);
-
+
/*
* ISA DMA must be aligned on a 64k basis.
*/
@@ -1588,19 +1588,19 @@ static void __devinit wbsd_request_dma(s
goto kfree;
host->dma = dma;
-
+
return;
-
+
kfree:
/*
* If we've gotten here then there is some kind of alignment bug
*/
BUG_ON(1);
-
+
dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE,
DMA_BIDIRECTIONAL);
host->dma_addr = (dma_addr_t)NULL;
-
+
kfree(host->dma_buffer);
host->dma_buffer = NULL;
@@ -1621,7 +1621,7 @@ static void __devexit wbsd_release_dma(s
kfree(host->dma_buffer);
if (host->dma >= 0)
free_dma(host->dma);
-
+
host->dma = -1;
host->dma_buffer = NULL;
host->dma_addr = (dma_addr_t)NULL;
@@ -1634,7 +1634,7 @@ static void __devexit wbsd_release_dma(s
static int __devinit wbsd_request_irq(struct wbsd_host* host, int irq)
{
int ret;
-
+
/*
* Allocate interrupt.
*/
@@ -1642,7 +1642,7 @@ static int __devinit wbsd_request_irq(st
ret = request_irq(irq, wbsd_irq, SA_SHIRQ, DRIVER_NAME, host);
if (ret)
return ret;
-
+
host->irq = irq;
/*
@@ -1654,7 +1654,7 @@ static int __devinit wbsd_request_irq(st
tasklet_init(&host->timeout_tasklet, wbsd_tasklet_timeout, (unsigned
long)host);
tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish, (unsigned
long)host);
tasklet_init(&host->block_tasklet, wbsd_tasklet_block, (unsigned
long)host);
-
+
return 0;
}
@@ -1664,9 +1664,9 @@ static void __devexit wbsd_release_irq(s
return;
free_irq(host->irq, host);
-
+
host->irq = 0;
-
+
tasklet_kill(&host->card_tasklet);
tasklet_kill(&host->fifo_tasklet);
tasklet_kill(&host->crc_tasklet);
@@ -1683,7 +1683,7 @@ static int __devinit wbsd_request_resour
int base, int irq, int dma)
{
int ret;
-
+
/*
* Allocate I/O ports.
*/
@@ -1702,7 +1702,7 @@ static int __devinit wbsd_request_resour
* Allocate DMA.
*/
wbsd_request_dma(host, dma);
-
+
return 0;
}
@@ -1725,7 +1725,7 @@ static void __devinit wbsd_chip_config(s
{
/*
* Reset the chip.
- */
+ */
wbsd_write_config(host, WBSD_CONF_SWRST, 1);
wbsd_write_config(host, WBSD_CONF_SWRST, 0);
@@ -1733,23 +1733,23 @@ static void __devinit wbsd_chip_config(s
* Select SD/MMC function.
*/
wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD);
-
+
/*
* Set up card detection.
*/
wbsd_write_config(host, WBSD_CONF_PINS, WBSD_PINS_DETECT_GP11);
-
+
/*
* Configure chip
*/
wbsd_write_config(host, WBSD_CONF_PORT_HI, host->base >> 8);
wbsd_write_config(host, WBSD_CONF_PORT_LO, host->base & 0xff);
-
+
wbsd_write_config(host, WBSD_CONF_IRQ, host->irq);
-
+
if (host->dma >= 0)
wbsd_write_config(host, WBSD_CONF_DRQ, host->dma);
-
+
/*
* Enable and power up chip.
*/
@@ -1760,26 +1760,26 @@ static void __devinit wbsd_chip_config(s
/*
* Check that configured resources are correct.
*/
-
+
static int __devinit wbsd_chip_validate(struct wbsd_host* host)
{
int base, irq, dma;
-
+
/*
* Select SD/MMC function.
*/
wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD);
-
+
/*
* Read configuration.
*/
base = wbsd_read_config(host, WBSD_CONF_PORT_HI) << 8;
base |= wbsd_read_config(host, WBSD_CONF_PORT_LO);
-
+
irq = wbsd_read_config(host, WBSD_CONF_IRQ);
-
+
dma = wbsd_read_config(host, WBSD_CONF_DRQ);
-
+
/*
* Validate against given configuration.
*/
@@ -1789,7 +1789,7 @@ static int __devinit wbsd_chip_validate(
return 0;
if ((dma != host->dma) && (host->dma != -1))
return 0;
-
+
return 1;
}
@@ -1805,14 +1805,14 @@ static int __devinit wbsd_init(struct de
struct wbsd_host* host = NULL;
struct mmc_host* mmc = NULL;
int ret;
-
+
ret = wbsd_alloc_mmc(dev);
if (ret)
return ret;
-
+
mmc = dev_get_drvdata(dev);
host = mmc_priv(mmc);
-
+
/*
* Scan for hardware.
*/
@@ -1831,7 +1831,7 @@ static int __devinit wbsd_init(struct de
return ret;
}
}
-
+
/*
* Request resources.
*/
@@ -1842,7 +1842,7 @@ static int __devinit wbsd_init(struct de
wbsd_free_mmc(dev);
return ret;
}
-
+
/*
* See if chip needs to be configured.
*/
@@ -1859,7 +1859,7 @@ static int __devinit wbsd_init(struct de
}
else
wbsd_chip_config(host);
-
+
/*
* Power Management stuff. No idea how this works.
* Not tested.
@@ -1877,7 +1877,7 @@ static int __devinit wbsd_init(struct de
* Reset the chip into a known state.
*/
wbsd_init_device(host);
-
+
mmc_add_host(mmc);
printk(KERN_INFO "%s: W83L51xD", mmc_hostname(mmc));
@@ -1899,12 +1899,12 @@ static void __devexit wbsd_shutdown(stru
{
struct mmc_host* mmc = dev_get_drvdata(dev);
struct wbsd_host* host;
-
+
if (!mmc)
return;
host = mmc_priv(mmc);
-
+
mmc_remove_host(mmc);
if (!pnp)
@@ -1917,9 +1917,9 @@ static void __devexit wbsd_shutdown(stru
wbsd_write_config(host, WBSD_CONF_ENABLE, 0);
wbsd_lock_config(host);
}
-
+
wbsd_release_resources(host);
-
+
wbsd_free_mmc(dev);
}
@@ -1949,7 +1949,7 @@ static int __devinit
wbsd_pnp_probe(struct pnp_dev * pnpdev, const struct pnp_device_id *dev_id)
{
int io, irq, dma;
-
+
/*
* Get resources from PnP layer.
*/
@@ -1959,9 +1959,9 @@ wbsd_pnp_probe(struct pnp_dev * pnpdev,
dma = pnp_dma(pnpdev, 0);
else
dma = -1;
-
+
DBGF("PnP resources: port %3x irq %d dma %d\n", io, irq, dma);
-
+
return wbsd_init(&pnpdev->dev, io, irq, dma, 1);
}
@@ -2002,7 +2002,7 @@ static struct device_driver wbsd_driver
.bus = &platform_bus_type,
.probe = wbsd_probe,
.remove = wbsd_remove,
-
+
.suspend = wbsd_suspend,
.resume = wbsd_resume,
};
@@ -2025,7 +2025,7 @@ static struct pnp_driver wbsd_pnp_driver
static int __init wbsd_drv_init(void)
{
int result;
-
+
printk(KERN_INFO DRIVER_NAME
": Winbond W83L51xD SD/MMC card interface driver, "
DRIVER_VERSION "\n");
@@ -2040,8 +2040,8 @@ static int __init wbsd_drv_init(void)
return result;
}
-#endif /* CONFIG_PNP */
-
+#endif /* CONFIG_PNP */
+
if (nopnp)
{
result = driver_register(&wbsd_driver);
@@ -2063,13 +2063,13 @@ static void __exit wbsd_drv_exit(void)
if (!nopnp)
pnp_unregister_driver(&wbsd_pnp_driver);
-
-#endif /* CONFIG_PNP */
+
+#endif /* CONFIG_PNP */
if (nopnp)
{
platform_device_unregister(wbsd_device);
-
+
driver_unregister(&wbsd_driver);
}
diff --git a/drivers/mmc/wbsd.h b/drivers/mmc/wbsd.h
--- a/drivers/mmc/wbsd.h
+++ b/drivers/mmc/wbsd.h
@@ -139,51 +139,51 @@
struct wbsd_host
{
struct mmc_host* mmc; /* MMC structure */
-
+
spinlock_t lock; /* Mutex */
int flags; /* Driver states */
#define WBSD_FCARD_PRESENT (1<<0) /* Card is present */
#define WBSD_FIGNORE_DETECT (1<<1) /* Ignore card detection */
-
+
struct mmc_request* mrq; /* Current request */
-
+
u8 isr; /* Accumulated ISR */
-
+
struct scatterlist* cur_sg; /* Current SG entry */
unsigned int num_sg; /* Number of entries left */
void* mapped_sg; /* vaddr of mapped sg */
-
+
unsigned int offset; /* Offset into current entry */
unsigned int remain; /* Data left in curren entry */
int size; /* Total size of transfer */
-
+
char* dma_buffer; /* ISA DMA buffer */
dma_addr_t dma_addr; /* Physical address for same */
int firsterr; /* See fifo functions */
-
+
u8 clk; /* Current clock speed */
unsigned char bus_width; /* Current bus width */
-
+
int config; /* Config port */
u8 unlock_code; /* Code to unlock config */
int chip_id; /* ID of controller */
-
+
int base; /* I/O port base */
int irq; /* Interrupt */
int dma; /* DMA channel */
-
+
struct tasklet_struct card_tasklet; /* Tasklet structures */
struct tasklet_struct fifo_tasklet;
struct tasklet_struct crc_tasklet;
struct tasklet_struct timeout_tasklet;
struct tasklet_struct finish_tasklet;
struct tasklet_struct block_tasklet;
-
+
struct timer_list detect_timer; /* Card detection timer */
struct timer_list ignore_timer; /* Ignore detection timer */
};
-
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