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path: root/drivers/memstick/host/jmb38x_ms.c
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Diffstat (limited to 'drivers/memstick/host/jmb38x_ms.c')
-rw-r--r--drivers/memstick/host/jmb38x_ms.c48
1 files changed, 27 insertions, 21 deletions
diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c
index 9a57504183c7..f91037d50422 100644
--- a/drivers/memstick/host/jmb38x_ms.c
+++ b/drivers/memstick/host/jmb38x_ms.c
@@ -57,8 +57,6 @@ struct jmb38x_ms_host {
unsigned long timeout_jiffies;
struct timer_list timer;
struct memstick_request *req;
- unsigned char eject:1,
- use_dma:1;
unsigned char cmd_flags;
unsigned char io_pos;
unsigned int io_word[2];
@@ -95,9 +93,22 @@ struct jmb38x_ms {
#define HOST_CONTROL_IF_PAR4 0x1
#define HOST_CONTROL_IF_PAR8 0x3
+#define STATUS_BUSY 0x00080000
+#define STATUS_MS_DAT7 0x00040000
+#define STATUS_MS_DAT6 0x00020000
+#define STATUS_MS_DAT5 0x00010000
+#define STATUS_MS_DAT4 0x00008000
+#define STATUS_MS_DAT3 0x00004000
+#define STATUS_MS_DAT2 0x00002000
+#define STATUS_MS_DAT1 0x00001000
+#define STATUS_MS_DAT0 0x00000800
#define STATUS_HAS_MEDIA 0x00000400
#define STATUS_FIFO_EMPTY 0x00000200
#define STATUS_FIFO_FULL 0x00000100
+#define STATUS_MS_CED 0x00000080
+#define STATUS_MS_ERR 0x00000040
+#define STATUS_MS_BRQ 0x00000020
+#define STATUS_MS_CNK 0x00000001
#define INT_STATUS_TPC_ERR 0x00080000
#define INT_STATUS_CRC_ERR 0x00040000
@@ -124,7 +135,7 @@ enum {
CMD_READY = 0x01,
FIFO_READY = 0x02,
REG_DATA = 0x04,
- AUTO_GET_INT = 0x08
+ DMA_DATA = 0x08
};
static unsigned int jmb38x_ms_read_data(struct jmb38x_ms_host *host,
@@ -367,28 +378,27 @@ static int jmb38x_ms_issue_cmd(struct memstick_host *msh)
cmd |= TPC_DIR;
if (host->req->need_card_int)
cmd |= TPC_WAIT_INT;
- if (host->req->get_int_reg)
- cmd |= TPC_GET_INT;
data = host->req->data;
- host->use_dma = !no_dma;
+ if (!no_dma)
+ host->cmd_flags |= DMA_DATA;
if (host->req->long_data) {
data_len = host->req->sg.length;
} else {
data_len = host->req->data_len;
- host->use_dma = 0;
+ host->cmd_flags &= ~DMA_DATA;
}
if (data_len <= 8) {
cmd &= ~(TPC_DATA_SEL | 0xf);
host->cmd_flags |= REG_DATA;
cmd |= data_len & 0xf;
- host->use_dma = 0;
+ host->cmd_flags &= ~DMA_DATA;
}
- if (host->use_dma) {
+ if (host->cmd_flags & DMA_DATA) {
if (1 != pci_map_sg(host->chip->pdev, &host->req->sg, 1,
host->req->data_dir == READ
? PCI_DMA_FROMDEVICE
@@ -451,13 +461,12 @@ static void jmb38x_ms_complete_cmd(struct memstick_host *msh, int last)
readl(host->addr + INT_STATUS));
dev_dbg(msh->cdev.dev, "c hstatus %08x\n", readl(host->addr + STATUS));
- if (host->req->get_int_reg) {
- t_val = readl(host->addr + TPC_P0);
- host->req->int_reg = (t_val & 0xff);
- }
+ host->req->int_reg = readl(host->addr + STATUS) & 0xff;
+
+ writel(0, host->addr + BLOCK);
+ writel(0, host->addr + DMA_CONTROL);
- if (host->use_dma) {
- writel(0, host->addr + DMA_CONTROL);
+ if (host->cmd_flags & DMA_DATA) {
pci_unmap_sg(host->chip->pdev, &host->req->sg, 1,
host->req->data_dir == READ
? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE);
@@ -509,7 +518,7 @@ static irqreturn_t jmb38x_ms_isr(int irq, void *dev_id)
else
host->req->error = -ETIME;
} else {
- if (host->use_dma) {
+ if (host->cmd_flags & DMA_DATA) {
if (irq_status & INT_STATUS_EOTRAN)
host->cmd_flags |= FIFO_READY;
} else {
@@ -775,13 +784,10 @@ static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt)
snprintf(host->host_id, DEVICE_ID_SIZE, DRIVER_NAME ":slot%d",
host->id);
host->irq = jm->pdev->irq;
- host->timeout_jiffies = msecs_to_jiffies(4000);
+ host->timeout_jiffies = msecs_to_jiffies(1000);
msh->request = jmb38x_ms_request;
msh->set_param = jmb38x_ms_set_param;
- /*
- msh->caps = MEMSTICK_CAP_AUTO_GET_INT | MEMSTICK_CAP_PAR4
- | MEMSTICK_CAP_PAR8;
- */
+
msh->caps = MEMSTICK_CAP_PAR4 | MEMSTICK_CAP_PAR8;
setup_timer(&host->timer, jmb38x_ms_abort, (unsigned long)msh);