|
@@ -90,7 +90,7 @@ static int dma = 2;
|
|
|
* Basic functions
|
|
|
*/
|
|
|
|
|
|
-static inline void wbsd_unlock_config(struct wbsd_host* host)
|
|
|
+static inline void wbsd_unlock_config(struct wbsd_host *host)
|
|
|
{
|
|
|
BUG_ON(host->config == 0);
|
|
|
|
|
@@ -98,14 +98,14 @@ static inline void wbsd_unlock_config(struct wbsd_host* host)
|
|
|
outb(host->unlock_code, host->config);
|
|
|
}
|
|
|
|
|
|
-static inline void wbsd_lock_config(struct wbsd_host* host)
|
|
|
+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)
|
|
|
+static inline void wbsd_write_config(struct wbsd_host *host, u8 reg, u8 value)
|
|
|
{
|
|
|
BUG_ON(host->config == 0);
|
|
|
|
|
@@ -113,7 +113,7 @@ static inline void wbsd_write_config(struct wbsd_host* host, u8 reg, u8 value)
|
|
|
outb(value, host->config + 1);
|
|
|
}
|
|
|
|
|
|
-static inline u8 wbsd_read_config(struct wbsd_host* host, u8 reg)
|
|
|
+static inline u8 wbsd_read_config(struct wbsd_host *host, u8 reg)
|
|
|
{
|
|
|
BUG_ON(host->config == 0);
|
|
|
|
|
@@ -121,13 +121,13 @@ static inline u8 wbsd_read_config(struct wbsd_host* host, u8 reg)
|
|
|
return inb(host->config + 1);
|
|
|
}
|
|
|
|
|
|
-static inline void wbsd_write_index(struct wbsd_host* host, u8 index, u8 value)
|
|
|
+static inline void wbsd_write_index(struct wbsd_host *host, u8 index, u8 value)
|
|
|
{
|
|
|
outb(index, host->base + WBSD_IDXR);
|
|
|
outb(value, host->base + WBSD_DATAR);
|
|
|
}
|
|
|
|
|
|
-static inline u8 wbsd_read_index(struct wbsd_host* host, u8 index)
|
|
|
+static inline u8 wbsd_read_index(struct wbsd_host *host, u8 index)
|
|
|
{
|
|
|
outb(index, host->base + WBSD_IDXR);
|
|
|
return inb(host->base + WBSD_DATAR);
|
|
@@ -137,7 +137,7 @@ static inline u8 wbsd_read_index(struct wbsd_host* host, u8 index)
|
|
|
* Common routines
|
|
|
*/
|
|
|
|
|
|
-static void wbsd_init_device(struct wbsd_host* host)
|
|
|
+static void wbsd_init_device(struct wbsd_host *host)
|
|
|
{
|
|
|
u8 setup, ier;
|
|
|
|
|
@@ -197,7 +197,7 @@ static void wbsd_init_device(struct wbsd_host* host)
|
|
|
inb(host->base + WBSD_ISR);
|
|
|
}
|
|
|
|
|
|
-static void wbsd_reset(struct wbsd_host* host)
|
|
|
+static void wbsd_reset(struct wbsd_host *host)
|
|
|
{
|
|
|
u8 setup;
|
|
|
|
|
@@ -211,14 +211,13 @@ static void wbsd_reset(struct wbsd_host* host)
|
|
|
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
|
|
|
}
|
|
|
|
|
|
-static void wbsd_request_end(struct wbsd_host* host, struct mmc_request* mrq)
|
|
|
+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)
|
|
|
- {
|
|
|
+ if (host->dma >= 0) {
|
|
|
/*
|
|
|
* Release ISA DMA controller.
|
|
|
*/
|
|
@@ -247,7 +246,7 @@ static void wbsd_request_end(struct wbsd_host* host, struct mmc_request* mrq)
|
|
|
* Scatter/gather functions
|
|
|
*/
|
|
|
|
|
|
-static inline void wbsd_init_sg(struct wbsd_host* host, struct mmc_data* data)
|
|
|
+static inline void wbsd_init_sg(struct wbsd_host *host, struct mmc_data *data)
|
|
|
{
|
|
|
/*
|
|
|
* Get info. about SG list from data structure.
|
|
@@ -259,7 +258,7 @@ static inline void wbsd_init_sg(struct wbsd_host* host, struct mmc_data* data)
|
|
|
host->remain = host->cur_sg->length;
|
|
|
}
|
|
|
|
|
|
-static inline int wbsd_next_sg(struct wbsd_host* host)
|
|
|
+static inline int wbsd_next_sg(struct wbsd_host *host)
|
|
|
{
|
|
|
/*
|
|
|
* Skip to next SG entry.
|
|
@@ -270,33 +269,32 @@ static inline int wbsd_next_sg(struct wbsd_host* host)
|
|
|
/*
|
|
|
* Any entries left?
|
|
|
*/
|
|
|
- if (host->num_sg > 0)
|
|
|
- {
|
|
|
- host->offset = 0;
|
|
|
- host->remain = host->cur_sg->length;
|
|
|
- }
|
|
|
+ if (host->num_sg > 0) {
|
|
|
+ host->offset = 0;
|
|
|
+ host->remain = host->cur_sg->length;
|
|
|
+ }
|
|
|
|
|
|
return host->num_sg;
|
|
|
}
|
|
|
|
|
|
-static inline char* wbsd_kmap_sg(struct wbsd_host* host)
|
|
|
+static inline char *wbsd_kmap_sg(struct wbsd_host *host)
|
|
|
{
|
|
|
host->mapped_sg = kmap_atomic(host->cur_sg->page, KM_BIO_SRC_IRQ) +
|
|
|
host->cur_sg->offset;
|
|
|
return host->mapped_sg;
|
|
|
}
|
|
|
|
|
|
-static inline void wbsd_kunmap_sg(struct wbsd_host* host)
|
|
|
+static inline void wbsd_kunmap_sg(struct wbsd_host *host)
|
|
|
{
|
|
|
kunmap_atomic(host->mapped_sg, KM_BIO_SRC_IRQ);
|
|
|
}
|
|
|
|
|
|
-static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data)
|
|
|
+static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data)
|
|
|
{
|
|
|
unsigned int len, i, size;
|
|
|
- struct scatterlist* sg;
|
|
|
- char* dmabuf = host->dma_buffer;
|
|
|
- char* sgbuf;
|
|
|
+ struct scatterlist *sg;
|
|
|
+ char *dmabuf = host->dma_buffer;
|
|
|
+ char *sgbuf;
|
|
|
|
|
|
size = host->size;
|
|
|
|
|
@@ -308,8 +306,7 @@ static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* be the entire list though so make sure that
|
|
|
* we do not transfer too much.
|
|
|
*/
|
|
|
- for (i = 0;i < len;i++)
|
|
|
- {
|
|
|
+ for (i = 0; i < len; i++) {
|
|
|
sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset;
|
|
|
if (size < sg[i].length)
|
|
|
memcpy(dmabuf, sgbuf, size);
|
|
@@ -337,12 +334,12 @@ static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data)
|
|
|
host->size -= size;
|
|
|
}
|
|
|
|
|
|
-static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data)
|
|
|
+static inline void wbsd_dma_to_sg(struct wbsd_host *host, struct mmc_data *data)
|
|
|
{
|
|
|
unsigned int len, i, size;
|
|
|
- struct scatterlist* sg;
|
|
|
- char* dmabuf = host->dma_buffer;
|
|
|
- char* sgbuf;
|
|
|
+ struct scatterlist *sg;
|
|
|
+ char *dmabuf = host->dma_buffer;
|
|
|
+ char *sgbuf;
|
|
|
|
|
|
size = host->size;
|
|
|
|
|
@@ -354,8 +351,7 @@ static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* be the entire list though so make sure that
|
|
|
* we do not transfer too much.
|
|
|
*/
|
|
|
- for (i = 0;i < len;i++)
|
|
|
- {
|
|
|
+ for (i = 0; i < len; i++) {
|
|
|
sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset;
|
|
|
if (size < sg[i].length)
|
|
|
memcpy(sgbuf, dmabuf, size);
|
|
@@ -387,46 +383,38 @@ static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* Command handling
|
|
|
*/
|
|
|
|
|
|
-static inline void wbsd_get_short_reply(struct wbsd_host* host,
|
|
|
- struct mmc_command* cmd)
|
|
|
+static inline void wbsd_get_short_reply(struct wbsd_host *host,
|
|
|
+ struct mmc_command *cmd)
|
|
|
{
|
|
|
/*
|
|
|
* Correct response type?
|
|
|
*/
|
|
|
- if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT)
|
|
|
- {
|
|
|
+ if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) {
|
|
|
cmd->error = MMC_ERR_INVALID;
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- cmd->resp[0] =
|
|
|
- wbsd_read_index(host, WBSD_IDX_RESP12) << 24;
|
|
|
- cmd->resp[0] |=
|
|
|
- wbsd_read_index(host, WBSD_IDX_RESP13) << 16;
|
|
|
- cmd->resp[0] |=
|
|
|
- wbsd_read_index(host, WBSD_IDX_RESP14) << 8;
|
|
|
- cmd->resp[0] |=
|
|
|
- wbsd_read_index(host, WBSD_IDX_RESP15) << 0;
|
|
|
- cmd->resp[1] =
|
|
|
- wbsd_read_index(host, WBSD_IDX_RESP16) << 24;
|
|
|
+ cmd->resp[0] = wbsd_read_index(host, WBSD_IDX_RESP12) << 24;
|
|
|
+ cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP13) << 16;
|
|
|
+ cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP14) << 8;
|
|
|
+ cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP15) << 0;
|
|
|
+ cmd->resp[1] = wbsd_read_index(host, WBSD_IDX_RESP16) << 24;
|
|
|
}
|
|
|
|
|
|
-static inline void wbsd_get_long_reply(struct wbsd_host* host,
|
|
|
- struct mmc_command* cmd)
|
|
|
+static inline void wbsd_get_long_reply(struct wbsd_host *host,
|
|
|
+ struct mmc_command *cmd)
|
|
|
{
|
|
|
int i;
|
|
|
|
|
|
/*
|
|
|
* Correct response type?
|
|
|
*/
|
|
|
- if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG)
|
|
|
- {
|
|
|
+ if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) {
|
|
|
cmd->error = MMC_ERR_INVALID;
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- for (i = 0;i < 4;i++)
|
|
|
- {
|
|
|
+ for (i = 0; i < 4; i++) {
|
|
|
cmd->resp[i] =
|
|
|
wbsd_read_index(host, WBSD_IDX_RESP1 + i * 4) << 24;
|
|
|
cmd->resp[i] |=
|
|
@@ -438,7 +426,7 @@ static inline void wbsd_get_long_reply(struct wbsd_host* host,
|
|
|
}
|
|
|
}
|
|
|
|
|
|
-static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
|
|
|
+static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
|
|
|
{
|
|
|
int i;
|
|
|
u8 status, isr;
|
|
@@ -456,7 +444,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
|
|
|
* Send the command (CRC calculated by host).
|
|
|
*/
|
|
|
outb(cmd->opcode, host->base + WBSD_CMDR);
|
|
|
- for (i = 3;i >= 0;i--)
|
|
|
+ for (i = 3; i >= 0; i--)
|
|
|
outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR);
|
|
|
|
|
|
cmd->error = MMC_ERR_NONE;
|
|
@@ -471,8 +459,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
|
|
|
/*
|
|
|
* Do we expect a reply?
|
|
|
*/
|
|
|
- if ((cmd->flags & MMC_RSP_MASK) != MMC_RSP_NONE)
|
|
|
- {
|
|
|
+ if ((cmd->flags & MMC_RSP_MASK) != MMC_RSP_NONE) {
|
|
|
/*
|
|
|
* Read back status.
|
|
|
*/
|
|
@@ -488,8 +475,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
|
|
|
else if ((cmd->flags & MMC_RSP_CRC) && (isr & WBSD_INT_CRC))
|
|
|
cmd->error = MMC_ERR_BADCRC;
|
|
|
/* All ok */
|
|
|
- else
|
|
|
- {
|
|
|
+ else {
|
|
|
if ((cmd->flags & MMC_RSP_MASK) == MMC_RSP_SHORT)
|
|
|
wbsd_get_short_reply(host, cmd);
|
|
|
else
|
|
@@ -504,10 +490,10 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
|
|
|
* Data functions
|
|
|
*/
|
|
|
|
|
|
-static void wbsd_empty_fifo(struct wbsd_host* host)
|
|
|
+static void wbsd_empty_fifo(struct wbsd_host *host)
|
|
|
{
|
|
|
- struct mmc_data* data = host->mrq->cmd->data;
|
|
|
- char* buffer;
|
|
|
+ struct mmc_data *data = host->mrq->cmd->data;
|
|
|
+ char *buffer;
|
|
|
int i, fsr, fifo;
|
|
|
|
|
|
/*
|
|
@@ -522,8 +508,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
|
|
|
* Drain the fifo. This has a tendency to loop longer
|
|
|
* than the FIFO length (usually one block).
|
|
|
*/
|
|
|
- while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY))
|
|
|
- {
|
|
|
+ while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY)) {
|
|
|
/*
|
|
|
* The size field in the FSR is broken so we have to
|
|
|
* do some guessing.
|
|
@@ -535,8 +520,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
|
|
|
else
|
|
|
fifo = 1;
|
|
|
|
|
|
- for (i = 0;i < fifo;i++)
|
|
|
- {
|
|
|
+ for (i = 0; i < fifo; i++) {
|
|
|
*buffer = inb(host->base + WBSD_DFR);
|
|
|
buffer++;
|
|
|
host->offset++;
|
|
@@ -547,8 +531,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
|
|
|
/*
|
|
|
* Transfer done?
|
|
|
*/
|
|
|
- if (data->bytes_xfered == host->size)
|
|
|
- {
|
|
|
+ if (data->bytes_xfered == host->size) {
|
|
|
wbsd_kunmap_sg(host);
|
|
|
return;
|
|
|
}
|
|
@@ -556,15 +539,13 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
|
|
|
/*
|
|
|
* End of scatter list entry?
|
|
|
*/
|
|
|
- if (host->remain == 0)
|
|
|
- {
|
|
|
+ if (host->remain == 0) {
|
|
|
wbsd_kunmap_sg(host);
|
|
|
|
|
|
/*
|
|
|
* Get next entry. Check if last.
|
|
|
*/
|
|
|
- if (!wbsd_next_sg(host))
|
|
|
- {
|
|
|
+ if (!wbsd_next_sg(host)) {
|
|
|
/*
|
|
|
* We should never reach this point.
|
|
|
* It means that we're trying to
|
|
@@ -594,10 +575,10 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
|
|
|
tasklet_schedule(&host->fifo_tasklet);
|
|
|
}
|
|
|
|
|
|
-static void wbsd_fill_fifo(struct wbsd_host* host)
|
|
|
+static void wbsd_fill_fifo(struct wbsd_host *host)
|
|
|
{
|
|
|
- struct mmc_data* data = host->mrq->cmd->data;
|
|
|
- char* buffer;
|
|
|
+ struct mmc_data *data = host->mrq->cmd->data;
|
|
|
+ char *buffer;
|
|
|
int i, fsr, fifo;
|
|
|
|
|
|
/*
|
|
@@ -613,8 +594,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
|
|
|
* Fill the fifo. This has a tendency to loop longer
|
|
|
* than the FIFO length (usually one block).
|
|
|
*/
|
|
|
- while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL))
|
|
|
- {
|
|
|
+ while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL)) {
|
|
|
/*
|
|
|
* The size field in the FSR is broken so we have to
|
|
|
* do some guessing.
|
|
@@ -626,8 +606,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
|
|
|
else
|
|
|
fifo = 15;
|
|
|
|
|
|
- for (i = 16;i > fifo;i--)
|
|
|
- {
|
|
|
+ for (i = 16; i > fifo; i--) {
|
|
|
outb(*buffer, host->base + WBSD_DFR);
|
|
|
buffer++;
|
|
|
host->offset++;
|
|
@@ -638,8 +617,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
|
|
|
/*
|
|
|
* Transfer done?
|
|
|
*/
|
|
|
- if (data->bytes_xfered == host->size)
|
|
|
- {
|
|
|
+ if (data->bytes_xfered == host->size) {
|
|
|
wbsd_kunmap_sg(host);
|
|
|
return;
|
|
|
}
|
|
@@ -647,15 +625,13 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
|
|
|
/*
|
|
|
* End of scatter list entry?
|
|
|
*/
|
|
|
- if (host->remain == 0)
|
|
|
- {
|
|
|
+ if (host->remain == 0) {
|
|
|
wbsd_kunmap_sg(host);
|
|
|
|
|
|
/*
|
|
|
* Get next entry. Check if last.
|
|
|
*/
|
|
|
- if (!wbsd_next_sg(host))
|
|
|
- {
|
|
|
+ if (!wbsd_next_sg(host)) {
|
|
|
/*
|
|
|
* We should never reach this point.
|
|
|
* It means that we're trying to
|
|
@@ -684,7 +660,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
|
|
|
tasklet_schedule(&host->fifo_tasklet);
|
|
|
}
|
|
|
|
|
|
-static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
+static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
|
|
|
{
|
|
|
u16 blksize;
|
|
|
u8 setup;
|
|
@@ -706,8 +682,10 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
*/
|
|
|
if (data->timeout_ns > 127000000)
|
|
|
wbsd_write_index(host, WBSD_IDX_TAAC, 127);
|
|
|
- else
|
|
|
- wbsd_write_index(host, WBSD_IDX_TAAC, data->timeout_ns/1000000);
|
|
|
+ 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);
|
|
@@ -722,23 +700,18 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* Space for CRC must be included in the size.
|
|
|
* Two bytes are needed for each data line.
|
|
|
*/
|
|
|
- if (host->bus_width == MMC_BUS_WIDTH_1)
|
|
|
- {
|
|
|
+ if (host->bus_width == MMC_BUS_WIDTH_1) {
|
|
|
blksize = (1 << data->blksz_bits) + 2;
|
|
|
|
|
|
wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0);
|
|
|
wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
|
|
|
- }
|
|
|
- else if (host->bus_width == MMC_BUS_WIDTH_4)
|
|
|
- {
|
|
|
+ } 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_PBSMSB,
|
|
|
+ ((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH);
|
|
|
wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
+ } else {
|
|
|
data->error = MMC_ERR_INVALID;
|
|
|
return;
|
|
|
}
|
|
@@ -755,14 +728,12 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
/*
|
|
|
* DMA transfer?
|
|
|
*/
|
|
|
- if (host->dma >= 0)
|
|
|
- {
|
|
|
+ if (host->dma >= 0) {
|
|
|
/*
|
|
|
* The buffer for DMA is only 64 kB.
|
|
|
*/
|
|
|
BUG_ON(host->size > 0x10000);
|
|
|
- if (host->size > 0x10000)
|
|
|
- {
|
|
|
+ if (host->size > 0x10000) {
|
|
|
data->error = MMC_ERR_INVALID;
|
|
|
return;
|
|
|
}
|
|
@@ -794,9 +765,7 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* Enable DMA on the host.
|
|
|
*/
|
|
|
wbsd_write_index(host, WBSD_IDX_DMA, WBSD_DMA_ENABLE);
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
+ } else {
|
|
|
/*
|
|
|
* This flag is used to keep printk
|
|
|
* output to a minimum.
|
|
@@ -817,13 +786,10 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* Set up FIFO threshold levels (and fill
|
|
|
* buffer if doing a write).
|
|
|
*/
|
|
|
- if (data->flags & MMC_DATA_READ)
|
|
|
- {
|
|
|
+ if (data->flags & MMC_DATA_READ) {
|
|
|
wbsd_write_index(host, WBSD_IDX_FIFOEN,
|
|
|
WBSD_FIFOEN_FULL | 8);
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
+ } else {
|
|
|
wbsd_write_index(host, WBSD_IDX_FIFOEN,
|
|
|
WBSD_FIFOEN_EMPTY | 8);
|
|
|
wbsd_fill_fifo(host);
|
|
@@ -833,7 +799,7 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
data->error = MMC_ERR_NONE;
|
|
|
}
|
|
|
|
|
|
-static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
+static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
|
|
|
{
|
|
|
unsigned long dmaflags;
|
|
|
int count;
|
|
@@ -851,16 +817,14 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* Wait for the controller to leave data
|
|
|
* transfer state.
|
|
|
*/
|
|
|
- do
|
|
|
- {
|
|
|
+ do {
|
|
|
status = wbsd_read_index(host, WBSD_IDX_STATUS);
|
|
|
} while (status & (WBSD_BLOCK_READ | WBSD_BLOCK_WRITE));
|
|
|
|
|
|
/*
|
|
|
* DMA transfer?
|
|
|
*/
|
|
|
- if (host->dma >= 0)
|
|
|
- {
|
|
|
+ if (host->dma >= 0) {
|
|
|
/*
|
|
|
* Disable DMA on the host.
|
|
|
*/
|
|
@@ -878,16 +842,13 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
/*
|
|
|
* Any leftover data?
|
|
|
*/
|
|
|
- if (count)
|
|
|
- {
|
|
|
+ if (count) {
|
|
|
printk(KERN_ERR "%s: Incomplete DMA transfer. "
|
|
|
"%d bytes left.\n",
|
|
|
mmc_hostname(host->mmc), count);
|
|
|
|
|
|
data->error = MMC_ERR_FAILED;
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
+ } else {
|
|
|
/*
|
|
|
* Transfer data from DMA buffer to
|
|
|
* SG list.
|
|
@@ -910,10 +871,10 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
|
|
|
* *
|
|
|
\*****************************************************************************/
|
|
|
|
|
|
-static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
|
|
|
+static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
|
|
|
{
|
|
|
- struct wbsd_host* host = mmc_priv(mmc);
|
|
|
- struct mmc_command* cmd;
|
|
|
+ struct wbsd_host *host = mmc_priv(mmc);
|
|
|
+ struct mmc_command *cmd;
|
|
|
|
|
|
/*
|
|
|
* Disable tasklets to avoid a deadlock.
|
|
@@ -930,8 +891,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
|
|
|
* If there is no card in the slot then
|
|
|
* timeout immediatly.
|
|
|
*/
|
|
|
- if (!(host->flags & WBSD_FCARD_PRESENT))
|
|
|
- {
|
|
|
+ if (!(host->flags & WBSD_FCARD_PRESENT)) {
|
|
|
cmd->error = MMC_ERR_TIMEOUT;
|
|
|
goto done;
|
|
|
}
|
|
@@ -939,8 +899,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
|
|
|
/*
|
|
|
* Does the request include data?
|
|
|
*/
|
|
|
- if (cmd->data)
|
|
|
- {
|
|
|
+ if (cmd->data) {
|
|
|
wbsd_prepare_data(host, cmd->data);
|
|
|
|
|
|
if (cmd->data->error != MMC_ERR_NONE)
|
|
@@ -954,8 +913,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
|
|
|
* will be finished after the data has
|
|
|
* transfered.
|
|
|
*/
|
|
|
- if (cmd->data && (cmd->error == MMC_ERR_NONE))
|
|
|
- {
|
|
|
+ if (cmd->data && (cmd->error == MMC_ERR_NONE)) {
|
|
|
/*
|
|
|
* Dirty fix for hardware bug.
|
|
|
*/
|
|
@@ -973,14 +931,14 @@ done:
|
|
|
spin_unlock_bh(&host->lock);
|
|
|
}
|
|
|
|
|
|
-static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
|
|
|
+static void wbsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
|
|
|
{
|
|
|
- struct wbsd_host* host = mmc_priv(mmc);
|
|
|
+ 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);
|
|
|
+ ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
|
|
|
+ ios->vdd, ios->bus_width);
|
|
|
|
|
|
spin_lock_bh(&host->lock);
|
|
|
|
|
@@ -1004,8 +962,7 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
|
|
|
* Only write to the clock register when
|
|
|
* there is an actual change.
|
|
|
*/
|
|
|
- if (clk != host->clk)
|
|
|
- {
|
|
|
+ if (clk != host->clk) {
|
|
|
wbsd_write_index(host, WBSD_IDX_CLK, clk);
|
|
|
host->clk = clk;
|
|
|
}
|
|
@@ -1013,8 +970,7 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
|
|
|
/*
|
|
|
* Power up card.
|
|
|
*/
|
|
|
- if (ios->power_mode != MMC_POWER_OFF)
|
|
|
- {
|
|
|
+ if (ios->power_mode != MMC_POWER_OFF) {
|
|
|
pwr = inb(host->base + WBSD_CSR);
|
|
|
pwr &= ~WBSD_POWER_N;
|
|
|
outb(pwr, host->base + WBSD_CSR);
|
|
@@ -1026,23 +982,19 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
|
|
|
* that needs to be disabled.
|
|
|
*/
|
|
|
setup = wbsd_read_index(host, WBSD_IDX_SETUP);
|
|
|
- if (ios->chip_select == MMC_CS_HIGH)
|
|
|
- {
|
|
|
+ if (ios->chip_select == MMC_CS_HIGH) {
|
|
|
BUG_ON(ios->bus_width != MMC_BUS_WIDTH_1);
|
|
|
setup |= WBSD_DAT3_H;
|
|
|
host->flags |= WBSD_FIGNORE_DETECT;
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- if (setup & WBSD_DAT3_H)
|
|
|
- {
|
|
|
+ } else {
|
|
|
+ if (setup & WBSD_DAT3_H) {
|
|
|
setup &= ~WBSD_DAT3_H;
|
|
|
|
|
|
/*
|
|
|
* We cannot resume card detection immediatly
|
|
|
* because of capacitance and delays in the chip.
|
|
|
*/
|
|
|
- mod_timer(&host->ignore_timer, jiffies + HZ/100);
|
|
|
+ mod_timer(&host->ignore_timer, jiffies + HZ / 100);
|
|
|
}
|
|
|
}
|
|
|
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
|
|
@@ -1056,9 +1008,9 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
|
|
|
spin_unlock_bh(&host->lock);
|
|
|
}
|
|
|
|
|
|
-static int wbsd_get_ro(struct mmc_host* mmc)
|
|
|
+static int wbsd_get_ro(struct mmc_host *mmc)
|
|
|
{
|
|
|
- struct wbsd_host* host = mmc_priv(mmc);
|
|
|
+ struct wbsd_host *host = mmc_priv(mmc);
|
|
|
u8 csr;
|
|
|
|
|
|
spin_lock_bh(&host->lock);
|
|
@@ -1096,7 +1048,7 @@ static struct mmc_host_ops wbsd_ops = {
|
|
|
|
|
|
static void wbsd_reset_ignore(unsigned long data)
|
|
|
{
|
|
|
- struct wbsd_host *host = (struct wbsd_host*)data;
|
|
|
+ struct wbsd_host *host = (struct wbsd_host *)data;
|
|
|
|
|
|
BUG_ON(host == NULL);
|
|
|
|
|
@@ -1119,7 +1071,7 @@ static void wbsd_reset_ignore(unsigned long data)
|
|
|
* Tasklets
|
|
|
*/
|
|
|
|
|
|
-static inline struct mmc_data* wbsd_get_data(struct wbsd_host* host)
|
|
|
+static inline struct mmc_data *wbsd_get_data(struct wbsd_host *host)
|
|
|
{
|
|
|
WARN_ON(!host->mrq);
|
|
|
if (!host->mrq)
|
|
@@ -1138,14 +1090,13 @@ static inline struct mmc_data* wbsd_get_data(struct wbsd_host* host)
|
|
|
|
|
|
static void wbsd_tasklet_card(unsigned long param)
|
|
|
{
|
|
|
- struct wbsd_host* host = (struct wbsd_host*)param;
|
|
|
+ struct wbsd_host *host = (struct wbsd_host *)param;
|
|
|
u8 csr;
|
|
|
int delay = -1;
|
|
|
|
|
|
spin_lock(&host->lock);
|
|
|
|
|
|
- if (host->flags & WBSD_FIGNORE_DETECT)
|
|
|
- {
|
|
|
+ if (host->flags & WBSD_FIGNORE_DETECT) {
|
|
|
spin_unlock(&host->lock);
|
|
|
return;
|
|
|
}
|
|
@@ -1153,23 +1104,18 @@ static void wbsd_tasklet_card(unsigned long param)
|
|
|
csr = inb(host->base + WBSD_CSR);
|
|
|
WARN_ON(csr == 0xff);
|
|
|
|
|
|
- if (csr & WBSD_CARDPRESENT)
|
|
|
- {
|
|
|
- if (!(host->flags & WBSD_FCARD_PRESENT))
|
|
|
- {
|
|
|
+ if (csr & WBSD_CARDPRESENT) {
|
|
|
+ if (!(host->flags & WBSD_FCARD_PRESENT)) {
|
|
|
DBG("Card inserted\n");
|
|
|
host->flags |= WBSD_FCARD_PRESENT;
|
|
|
|
|
|
delay = 500;
|
|
|
}
|
|
|
- }
|
|
|
- else if (host->flags & WBSD_FCARD_PRESENT)
|
|
|
- {
|
|
|
+ } else if (host->flags & WBSD_FCARD_PRESENT) {
|
|
|
DBG("Card removed\n");
|
|
|
host->flags &= ~WBSD_FCARD_PRESENT;
|
|
|
|
|
|
- if (host->mrq)
|
|
|
- {
|
|
|
+ if (host->mrq) {
|
|
|
printk(KERN_ERR "%s: Card removed during transfer!\n",
|
|
|
mmc_hostname(host->mmc));
|
|
|
wbsd_reset(host);
|
|
@@ -1193,8 +1139,8 @@ static void wbsd_tasklet_card(unsigned long param)
|
|
|
|
|
|
static void wbsd_tasklet_fifo(unsigned long param)
|
|
|
{
|
|
|
- struct wbsd_host* host = (struct wbsd_host*)param;
|
|
|
- struct mmc_data* data;
|
|
|
+ struct wbsd_host *host = (struct wbsd_host *)param;
|
|
|
+ struct mmc_data *data;
|
|
|
|
|
|
spin_lock(&host->lock);
|
|
|
|
|
@@ -1213,8 +1159,7 @@ static void wbsd_tasklet_fifo(unsigned long param)
|
|
|
/*
|
|
|
* Done?
|
|
|
*/
|
|
|
- if (host->size == data->bytes_xfered)
|
|
|
- {
|
|
|
+ if (host->size == data->bytes_xfered) {
|
|
|
wbsd_write_index(host, WBSD_IDX_FIFOEN, 0);
|
|
|
tasklet_schedule(&host->finish_tasklet);
|
|
|
}
|
|
@@ -1225,8 +1170,8 @@ end:
|
|
|
|
|
|
static void wbsd_tasklet_crc(unsigned long param)
|
|
|
{
|
|
|
- struct wbsd_host* host = (struct wbsd_host*)param;
|
|
|
- struct mmc_data* data;
|
|
|
+ struct wbsd_host *host = (struct wbsd_host *)param;
|
|
|
+ struct mmc_data *data;
|
|
|
|
|
|
spin_lock(&host->lock);
|
|
|
|
|
@@ -1249,8 +1194,8 @@ end:
|
|
|
|
|
|
static void wbsd_tasklet_timeout(unsigned long param)
|
|
|
{
|
|
|
- struct wbsd_host* host = (struct wbsd_host*)param;
|
|
|
- struct mmc_data* data;
|
|
|
+ struct wbsd_host *host = (struct wbsd_host *)param;
|
|
|
+ struct mmc_data *data;
|
|
|
|
|
|
spin_lock(&host->lock);
|
|
|
|
|
@@ -1273,8 +1218,8 @@ end:
|
|
|
|
|
|
static void wbsd_tasklet_finish(unsigned long param)
|
|
|
{
|
|
|
- struct wbsd_host* host = (struct wbsd_host*)param;
|
|
|
- struct mmc_data* data;
|
|
|
+ struct wbsd_host *host = (struct wbsd_host *)param;
|
|
|
+ struct mmc_data *data;
|
|
|
|
|
|
spin_lock(&host->lock);
|
|
|
|
|
@@ -1294,14 +1239,13 @@ end:
|
|
|
|
|
|
static void wbsd_tasklet_block(unsigned long param)
|
|
|
{
|
|
|
- struct wbsd_host* host = (struct wbsd_host*)param;
|
|
|
- struct mmc_data* data;
|
|
|
+ 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) !=
|
|
|
- WBSD_CRC_OK)
|
|
|
- {
|
|
|
+ WBSD_CRC_OK) {
|
|
|
data = wbsd_get_data(host);
|
|
|
if (!data)
|
|
|
goto end;
|
|
@@ -1323,7 +1267,7 @@ end:
|
|
|
|
|
|
static irqreturn_t wbsd_irq(int irq, void *dev_id, struct pt_regs *regs)
|
|
|
{
|
|
|
- struct wbsd_host* host = dev_id;
|
|
|
+ struct wbsd_host *host = dev_id;
|
|
|
int isr;
|
|
|
|
|
|
isr = inb(host->base + WBSD_ISR);
|
|
@@ -1365,10 +1309,10 @@ static irqreturn_t wbsd_irq(int irq, void *dev_id, struct pt_regs *regs)
|
|
|
* Allocate/free MMC structure.
|
|
|
*/
|
|
|
|
|
|
-static int __devinit wbsd_alloc_mmc(struct device* dev)
|
|
|
+static int __devinit wbsd_alloc_mmc(struct device *dev)
|
|
|
{
|
|
|
- struct mmc_host* mmc;
|
|
|
- struct wbsd_host* host;
|
|
|
+ struct mmc_host *mmc;
|
|
|
+ struct wbsd_host *host;
|
|
|
|
|
|
/*
|
|
|
* Allocate MMC structure.
|
|
@@ -1388,7 +1332,7 @@ static int __devinit wbsd_alloc_mmc(struct device* dev)
|
|
|
mmc->ops = &wbsd_ops;
|
|
|
mmc->f_min = 375000;
|
|
|
mmc->f_max = 24000000;
|
|
|
- mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34;
|
|
|
+ mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
|
|
|
mmc->caps = MMC_CAP_4_BIT_DATA;
|
|
|
|
|
|
spin_lock_init(&host->lock);
|
|
@@ -1424,10 +1368,10 @@ static int __devinit wbsd_alloc_mmc(struct device* dev)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static void __devexit wbsd_free_mmc(struct device* dev)
|
|
|
+static void __devexit wbsd_free_mmc(struct device *dev)
|
|
|
{
|
|
|
- struct mmc_host* mmc;
|
|
|
- struct wbsd_host* host;
|
|
|
+ struct mmc_host *mmc;
|
|
|
+ struct wbsd_host *host;
|
|
|
|
|
|
mmc = dev_get_drvdata(dev);
|
|
|
if (!mmc)
|
|
@@ -1447,7 +1391,7 @@ static void __devexit wbsd_free_mmc(struct device* dev)
|
|
|
* Scan for known chip id:s
|
|
|
*/
|
|
|
|
|
|
-static int __devinit wbsd_scan(struct wbsd_host* host)
|
|
|
+static int __devinit wbsd_scan(struct wbsd_host *host)
|
|
|
{
|
|
|
int i, j, k;
|
|
|
int id;
|
|
@@ -1477,16 +1421,14 @@ static int __devinit wbsd_scan(struct wbsd_host* host)
|
|
|
wbsd_lock_config(host);
|
|
|
|
|
|
for (k = 0; k < ARRAY_SIZE(valid_ids); k++) {
|
|
|
- if (id == valid_ids[k])
|
|
|
- {
|
|
|
+ if (id == valid_ids[k]) {
|
|
|
host->chip_id = id;
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
- if (id != 0xFFFF)
|
|
|
- {
|
|
|
+ if (id != 0xFFFF) {
|
|
|
DBG("Unknown hardware (id %x) found at %x\n",
|
|
|
id, config_ports[i]);
|
|
|
}
|
|
@@ -1505,7 +1447,7 @@ static int __devinit wbsd_scan(struct wbsd_host* host)
|
|
|
* Allocate/free io port ranges
|
|
|
*/
|
|
|
|
|
|
-static int __devinit wbsd_request_region(struct wbsd_host* host, int base)
|
|
|
+static int __devinit wbsd_request_region(struct wbsd_host *host, int base)
|
|
|
{
|
|
|
if (io & 0x7)
|
|
|
return -EINVAL;
|
|
@@ -1518,7 +1460,7 @@ static int __devinit wbsd_request_region(struct wbsd_host* host, int base)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static void __devexit wbsd_release_regions(struct wbsd_host* host)
|
|
|
+static void __devexit wbsd_release_regions(struct wbsd_host *host)
|
|
|
{
|
|
|
if (host->base)
|
|
|
release_region(host->base, 8);
|
|
@@ -1535,7 +1477,7 @@ static void __devexit wbsd_release_regions(struct wbsd_host* host)
|
|
|
* Allocate/free DMA port and buffer
|
|
|
*/
|
|
|
|
|
|
-static void __devinit wbsd_request_dma(struct wbsd_host* host, int dma)
|
|
|
+static void __devinit wbsd_request_dma(struct wbsd_host *host, int dma)
|
|
|
{
|
|
|
if (dma < 0)
|
|
|
return;
|
|
@@ -1579,8 +1521,8 @@ kfree:
|
|
|
*/
|
|
|
BUG_ON(1);
|
|
|
|
|
|
- dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE,
|
|
|
- DMA_BIDIRECTIONAL);
|
|
|
+ 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);
|
|
@@ -1594,11 +1536,12 @@ err:
|
|
|
"Falling back on FIFO.\n", dma);
|
|
|
}
|
|
|
|
|
|
-static void __devexit wbsd_release_dma(struct wbsd_host* host)
|
|
|
+static void __devexit wbsd_release_dma(struct wbsd_host *host)
|
|
|
{
|
|
|
- if (host->dma_addr)
|
|
|
- dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE,
|
|
|
- DMA_BIDIRECTIONAL);
|
|
|
+ if (host->dma_addr) {
|
|
|
+ dma_unmap_single(host->mmc->dev, host->dma_addr,
|
|
|
+ WBSD_DMA_SIZE, DMA_BIDIRECTIONAL);
|
|
|
+ }
|
|
|
kfree(host->dma_buffer);
|
|
|
if (host->dma >= 0)
|
|
|
free_dma(host->dma);
|
|
@@ -1612,7 +1555,7 @@ static void __devexit wbsd_release_dma(struct wbsd_host* host)
|
|
|
* Allocate/free IRQ.
|
|
|
*/
|
|
|
|
|
|
-static int __devinit wbsd_request_irq(struct wbsd_host* host, int irq)
|
|
|
+static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
|
|
|
{
|
|
|
int ret;
|
|
|
|
|
@@ -1629,17 +1572,23 @@ static int __devinit wbsd_request_irq(struct wbsd_host* host, int irq)
|
|
|
/*
|
|
|
* Set up tasklets.
|
|
|
*/
|
|
|
- tasklet_init(&host->card_tasklet, wbsd_tasklet_card, (unsigned long)host);
|
|
|
- tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo, (unsigned long)host);
|
|
|
- tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc, (unsigned long)host);
|
|
|
- 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);
|
|
|
+ tasklet_init(&host->card_tasklet, wbsd_tasklet_card,
|
|
|
+ (unsigned long)host);
|
|
|
+ tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo,
|
|
|
+ (unsigned long)host);
|
|
|
+ tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc,
|
|
|
+ (unsigned long)host);
|
|
|
+ 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;
|
|
|
}
|
|
|
|
|
|
-static void __devexit wbsd_release_irq(struct wbsd_host* host)
|
|
|
+static void __devexit wbsd_release_irq(struct wbsd_host *host)
|
|
|
{
|
|
|
if (!host->irq)
|
|
|
return;
|
|
@@ -1660,7 +1609,7 @@ static void __devexit wbsd_release_irq(struct wbsd_host* host)
|
|
|
* Allocate all resources for the host.
|
|
|
*/
|
|
|
|
|
|
-static int __devinit wbsd_request_resources(struct wbsd_host* host,
|
|
|
+static int __devinit wbsd_request_resources(struct wbsd_host *host,
|
|
|
int base, int irq, int dma)
|
|
|
{
|
|
|
int ret;
|
|
@@ -1691,7 +1640,7 @@ static int __devinit wbsd_request_resources(struct wbsd_host* host,
|
|
|
* Release all resources for the host.
|
|
|
*/
|
|
|
|
|
|
-static void __devexit wbsd_release_resources(struct wbsd_host* host)
|
|
|
+static void __devexit wbsd_release_resources(struct wbsd_host *host)
|
|
|
{
|
|
|
wbsd_release_dma(host);
|
|
|
wbsd_release_irq(host);
|
|
@@ -1702,7 +1651,7 @@ static void __devexit wbsd_release_resources(struct wbsd_host* host)
|
|
|
* Configure the resources the chip should use.
|
|
|
*/
|
|
|
|
|
|
-static void wbsd_chip_config(struct wbsd_host* host)
|
|
|
+static void wbsd_chip_config(struct wbsd_host *host)
|
|
|
{
|
|
|
wbsd_unlock_config(host);
|
|
|
|
|
@@ -1746,7 +1695,7 @@ static void wbsd_chip_config(struct wbsd_host* host)
|
|
|
* Check that configured resources are correct.
|
|
|
*/
|
|
|
|
|
|
-static int wbsd_chip_validate(struct wbsd_host* host)
|
|
|
+static int wbsd_chip_validate(struct wbsd_host *host)
|
|
|
{
|
|
|
int base, irq, dma;
|
|
|
|
|
@@ -1786,7 +1735,7 @@ static int wbsd_chip_validate(struct wbsd_host* host)
|
|
|
* Powers down the SD function
|
|
|
*/
|
|
|
|
|
|
-static void wbsd_chip_poweroff(struct wbsd_host* host)
|
|
|
+static void wbsd_chip_poweroff(struct wbsd_host *host)
|
|
|
{
|
|
|
wbsd_unlock_config(host);
|
|
|
|
|
@@ -1802,11 +1751,11 @@ static void wbsd_chip_poweroff(struct wbsd_host* host)
|
|
|
* *
|
|
|
\*****************************************************************************/
|
|
|
|
|
|
-static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
|
|
|
+static int __devinit wbsd_init(struct device *dev, int base, int irq, int dma,
|
|
|
int pnp)
|
|
|
{
|
|
|
- struct wbsd_host* host = NULL;
|
|
|
- struct mmc_host* mmc = NULL;
|
|
|
+ struct wbsd_host *host = NULL;
|
|
|
+ struct mmc_host *mmc = NULL;
|
|
|
int ret;
|
|
|
|
|
|
ret = wbsd_alloc_mmc(dev);
|
|
@@ -1820,16 +1769,12 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
|
|
|
* Scan for hardware.
|
|
|
*/
|
|
|
ret = wbsd_scan(host);
|
|
|
- if (ret)
|
|
|
- {
|
|
|
- if (pnp && (ret == -ENODEV))
|
|
|
- {
|
|
|
+ if (ret) {
|
|
|
+ if (pnp && (ret == -ENODEV)) {
|
|
|
printk(KERN_WARNING DRIVER_NAME
|
|
|
": Unable to confirm device presence. You may "
|
|
|
"experience lock-ups.\n");
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
+ } else {
|
|
|
wbsd_free_mmc(dev);
|
|
|
return ret;
|
|
|
}
|
|
@@ -1839,8 +1784,7 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
|
|
|
* Request resources.
|
|
|
*/
|
|
|
ret = wbsd_request_resources(host, io, irq, dma);
|
|
|
- if (ret)
|
|
|
- {
|
|
|
+ if (ret) {
|
|
|
wbsd_release_resources(host);
|
|
|
wbsd_free_mmc(dev);
|
|
|
return ret;
|
|
@@ -1849,18 +1793,15 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
|
|
|
/*
|
|
|
* See if chip needs to be configured.
|
|
|
*/
|
|
|
- if (pnp)
|
|
|
- {
|
|
|
- if ((host->config != 0) && !wbsd_chip_validate(host))
|
|
|
- {
|
|
|
+ if (pnp) {
|
|
|
+ if ((host->config != 0) && !wbsd_chip_validate(host)) {
|
|
|
printk(KERN_WARNING DRIVER_NAME
|
|
|
": PnP active but chip not configured! "
|
|
|
"You probably have a buggy BIOS. "
|
|
|
"Configuring chip manually.\n");
|
|
|
wbsd_chip_config(host);
|
|
|
}
|
|
|
- }
|
|
|
- else
|
|
|
+ } else
|
|
|
wbsd_chip_config(host);
|
|
|
|
|
|
/*
|
|
@@ -1868,8 +1809,7 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
|
|
|
* Not tested.
|
|
|
*/
|
|
|
#ifdef CONFIG_PM
|
|
|
- if (host->config)
|
|
|
- {
|
|
|
+ if (host->config) {
|
|
|
wbsd_unlock_config(host);
|
|
|
wbsd_write_config(host, WBSD_CONF_PME, 0xA0);
|
|
|
wbsd_lock_config(host);
|
|
@@ -1902,10 +1842,10 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static void __devexit wbsd_shutdown(struct device* dev, int pnp)
|
|
|
+static void __devexit wbsd_shutdown(struct device *dev, int pnp)
|
|
|
{
|
|
|
- struct mmc_host* mmc = dev_get_drvdata(dev);
|
|
|
- struct wbsd_host* host;
|
|
|
+ struct mmc_host *mmc = dev_get_drvdata(dev);
|
|
|
+ struct wbsd_host *host;
|
|
|
|
|
|
if (!mmc)
|
|
|
return;
|
|
@@ -1929,12 +1869,12 @@ static void __devexit wbsd_shutdown(struct device* dev, int pnp)
|
|
|
* Non-PnP
|
|
|
*/
|
|
|
|
|
|
-static int __devinit wbsd_probe(struct platform_device* dev)
|
|
|
+static int __devinit wbsd_probe(struct platform_device *dev)
|
|
|
{
|
|
|
return wbsd_init(&dev->dev, io, irq, dma, 0);
|
|
|
}
|
|
|
|
|
|
-static int __devexit wbsd_remove(struct platform_device* dev)
|
|
|
+static int __devexit wbsd_remove(struct platform_device *dev)
|
|
|
{
|
|
|
wbsd_shutdown(&dev->dev, 0);
|
|
|
|
|
@@ -1948,7 +1888,7 @@ static int __devexit wbsd_remove(struct platform_device* dev)
|
|
|
#ifdef CONFIG_PNP
|
|
|
|
|
|
static int __devinit
|
|
|
-wbsd_pnp_probe(struct pnp_dev * pnpdev, const struct pnp_device_id *dev_id)
|
|
|
+wbsd_pnp_probe(struct pnp_dev *pnpdev, const struct pnp_device_id *dev_id)
|
|
|
{
|
|
|
int io, irq, dma;
|
|
|
|
|
@@ -1967,7 +1907,7 @@ wbsd_pnp_probe(struct pnp_dev * pnpdev, const struct pnp_device_id *dev_id)
|
|
|
return wbsd_init(&pnpdev->dev, io, irq, dma, 1);
|
|
|
}
|
|
|
|
|
|
-static void __devexit wbsd_pnp_remove(struct pnp_dev * dev)
|
|
|
+static void __devexit wbsd_pnp_remove(struct pnp_dev *dev)
|
|
|
{
|
|
|
wbsd_shutdown(&dev->dev, 1);
|
|
|
}
|
|
@@ -1980,37 +1920,54 @@ static void __devexit wbsd_pnp_remove(struct pnp_dev * dev)
|
|
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
|
|
-static int wbsd_suspend(struct platform_device *dev, pm_message_t state)
|
|
|
+static int wbsd_suspend(struct wbsd_host *host, pm_message_t state)
|
|
|
+{
|
|
|
+ BUG_ON(host == NULL);
|
|
|
+
|
|
|
+ return mmc_suspend_host(host->mmc, state);
|
|
|
+}
|
|
|
+
|
|
|
+static int wbsd_resume(struct wbsd_host *host)
|
|
|
+{
|
|
|
+ BUG_ON(host == NULL);
|
|
|
+
|
|
|
+ wbsd_init_device(host);
|
|
|
+
|
|
|
+ return mmc_resume_host(host->mmc);
|
|
|
+}
|
|
|
+
|
|
|
+static int wbsd_platform_suspend(struct platform_device *dev,
|
|
|
+ pm_message_t state)
|
|
|
{
|
|
|
struct mmc_host *mmc = platform_get_drvdata(dev);
|
|
|
struct wbsd_host *host;
|
|
|
int ret;
|
|
|
|
|
|
- if (!mmc)
|
|
|
+ if (mmc == NULL)
|
|
|
return 0;
|
|
|
|
|
|
- DBG("Suspending...\n");
|
|
|
-
|
|
|
- ret = mmc_suspend_host(mmc, state);
|
|
|
- if (!ret)
|
|
|
- return ret;
|
|
|
+ DBGF("Suspending...\n");
|
|
|
|
|
|
host = mmc_priv(mmc);
|
|
|
|
|
|
+ ret = wbsd_suspend(host, state);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+
|
|
|
wbsd_chip_poweroff(host);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static int wbsd_resume(struct platform_device *dev)
|
|
|
+static int wbsd_platform_resume(struct platform_device *dev)
|
|
|
{
|
|
|
struct mmc_host *mmc = platform_get_drvdata(dev);
|
|
|
struct wbsd_host *host;
|
|
|
|
|
|
- if (!mmc)
|
|
|
+ if (mmc == NULL)
|
|
|
return 0;
|
|
|
|
|
|
- DBG("Resuming...\n");
|
|
|
+ DBGF("Resuming...\n");
|
|
|
|
|
|
host = mmc_priv(mmc);
|
|
|
|
|
@@ -2021,15 +1978,68 @@ static int wbsd_resume(struct platform_device *dev)
|
|
|
*/
|
|
|
mdelay(5);
|
|
|
|
|
|
- wbsd_init_device(host);
|
|
|
+ return wbsd_resume(host);
|
|
|
+}
|
|
|
+
|
|
|
+#ifdef CONFIG_PNP
|
|
|
+
|
|
|
+static int wbsd_pnp_suspend(struct pnp_dev *pnp_dev, pm_message_t state)
|
|
|
+{
|
|
|
+ struct mmc_host *mmc = dev_get_drvdata(&pnp_dev->dev);
|
|
|
+ struct wbsd_host *host;
|
|
|
+
|
|
|
+ if (mmc == NULL)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ DBGF("Suspending...\n");
|
|
|
+
|
|
|
+ host = mmc_priv(mmc);
|
|
|
+
|
|
|
+ return wbsd_suspend(host, state);
|
|
|
+}
|
|
|
+
|
|
|
+static int wbsd_pnp_resume(struct pnp_dev *pnp_dev)
|
|
|
+{
|
|
|
+ struct mmc_host *mmc = dev_get_drvdata(&pnp_dev->dev);
|
|
|
+ struct wbsd_host *host;
|
|
|
+
|
|
|
+ if (mmc == NULL)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ DBGF("Resuming...\n");
|
|
|
|
|
|
- return mmc_resume_host(mmc);
|
|
|
+ host = mmc_priv(mmc);
|
|
|
+
|
|
|
+ /*
|
|
|
+ * See if chip needs to be configured.
|
|
|
+ */
|
|
|
+ if (host->config != 0) {
|
|
|
+ if (!wbsd_chip_validate(host)) {
|
|
|
+ printk(KERN_WARNING DRIVER_NAME
|
|
|
+ ": PnP active but chip not configured! "
|
|
|
+ "You probably have a buggy BIOS. "
|
|
|
+ "Configuring chip manually.\n");
|
|
|
+ wbsd_chip_config(host);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Allow device to initialise itself properly.
|
|
|
+ */
|
|
|
+ mdelay(5);
|
|
|
+
|
|
|
+ return wbsd_resume(host);
|
|
|
}
|
|
|
|
|
|
+#endif /* CONFIG_PNP */
|
|
|
+
|
|
|
#else /* CONFIG_PM */
|
|
|
|
|
|
-#define wbsd_suspend NULL
|
|
|
-#define wbsd_resume NULL
|
|
|
+#define wbsd_platform_suspend NULL
|
|
|
+#define wbsd_platform_resume NULL
|
|
|
+
|
|
|
+#define wbsd_pnp_suspend NULL
|
|
|
+#define wbsd_pnp_resume NULL
|
|
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
|
@@ -2039,8 +2049,8 @@ static struct platform_driver wbsd_driver = {
|
|
|
.probe = wbsd_probe,
|
|
|
.remove = __devexit_p(wbsd_remove),
|
|
|
|
|
|
- .suspend = wbsd_suspend,
|
|
|
- .resume = wbsd_resume,
|
|
|
+ .suspend = wbsd_platform_suspend,
|
|
|
+ .resume = wbsd_platform_resume,
|
|
|
.driver = {
|
|
|
.name = DRIVER_NAME,
|
|
|
},
|
|
@@ -2053,6 +2063,9 @@ static struct pnp_driver wbsd_pnp_driver = {
|
|
|
.id_table = pnp_dev_table,
|
|
|
.probe = wbsd_pnp_probe,
|
|
|
.remove = __devexit_p(wbsd_pnp_remove),
|
|
|
+
|
|
|
+ .suspend = wbsd_pnp_suspend,
|
|
|
+ .resume = wbsd_pnp_resume,
|
|
|
};
|
|
|
|
|
|
#endif /* CONFIG_PNP */
|
|
@@ -2072,31 +2085,26 @@ static int __init wbsd_drv_init(void)
|
|
|
|
|
|
#ifdef CONFIG_PNP
|
|
|
|
|
|
- if (!nopnp)
|
|
|
- {
|
|
|
+ if (!nopnp) {
|
|
|
result = pnp_register_driver(&wbsd_pnp_driver);
|
|
|
if (result < 0)
|
|
|
return result;
|
|
|
}
|
|
|
-
|
|
|
#endif /* CONFIG_PNP */
|
|
|
|
|
|
- if (nopnp)
|
|
|
- {
|
|
|
+ if (nopnp) {
|
|
|
result = platform_driver_register(&wbsd_driver);
|
|
|
if (result < 0)
|
|
|
return result;
|
|
|
|
|
|
wbsd_device = platform_device_alloc(DRIVER_NAME, -1);
|
|
|
- if (!wbsd_device)
|
|
|
- {
|
|
|
+ if (!wbsd_device) {
|
|
|
platform_driver_unregister(&wbsd_driver);
|
|
|
return -ENOMEM;
|
|
|
}
|
|
|
|
|
|
result = platform_device_add(wbsd_device);
|
|
|
- if (result)
|
|
|
- {
|
|
|
+ if (result) {
|
|
|
platform_device_put(wbsd_device);
|
|
|
platform_driver_unregister(&wbsd_driver);
|
|
|
return result;
|
|
@@ -2115,8 +2123,7 @@ static void __exit wbsd_drv_exit(void)
|
|
|
|
|
|
#endif /* CONFIG_PNP */
|
|
|
|
|
|
- if (nopnp)
|
|
|
- {
|
|
|
+ if (nopnp) {
|
|
|
platform_device_unregister(wbsd_device);
|
|
|
|
|
|
platform_driver_unregister(&wbsd_driver);
|