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pcmcia: use struct resource for PCMCIA devices, part 2

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Use struct resource * also for iomem resources.

CC: [email protected]
CC: [email protected]
CC: [email protected]
CC: Jiri Kosina <[email protected]>
Signed-off-by: Dominik Brodowski <[email protected]>
This commit is contained in:
Dominik Brodowski 2010-07-24 19:03:02 +02:00
commit 0ca724d37a
10 changed files with 75 additions and 78 deletions
Download patch file Download diff file Expand all files Collapse all files

1
drivers/pcmcia/cs_internal.h
View file

@ -40,6 +40,7 @@ typedef struct config_t {
unsigned int CardValues;
struct resource io[MAX_IO_WIN]; /* io ports */
struct resource mem[MAX_WIN]; /* mem areas */
struct {
u_int Attributes;

6
drivers/pcmcia/ds.c
View file

@ -556,9 +556,15 @@ static struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s,
c->io[i].name = dev_name(&p_dev->dev);
c->io[i].flags = IORESOURCE_IO;
}
for (i = 0; i< MAX_WIN; i++) {
c->mem[i].name = dev_name(&p_dev->dev);
c->mem[i].flags = IORESOURCE_MEM;
}
}
for (i = 0; i < MAX_IO_WIN; i++)
p_dev->resource[i] = &p_dev->function_config->io[i];
for (; i < (MAX_IO_WIN + MAX_WIN); i++)
p_dev->resource[i] = &p_dev->function_config->mem[i-MAX_IO_WIN];
mutex_unlock(&s->ops_mutex);

70
drivers/pcmcia/pcmcia_resource.c
View file

@ -196,15 +196,17 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh,
unsigned int offset)
{
struct pcmcia_socket *s = p_dev->socket;
struct resource *res = wh;
unsigned int w;
int ret;
wh--;
if (wh >= MAX_WIN)
w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1;
if (w >= MAX_WIN)
return -EINVAL;
mutex_lock(&s->ops_mutex);
s->win[wh].card_start = offset;
ret = s->ops->set_mem_map(s, &s->win[wh]);
s->win[w].card_start = offset;
ret = s->ops->set_mem_map(s, &s->win[w]);
if (ret)
dev_warn(&s->dev, "failed to set_mem_map\n");
mutex_unlock(&s->ops_mutex);
@ -371,19 +373,22 @@ out:
} /* pcmcia_release_io */
int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res)
{
struct pcmcia_socket *s = p_dev->socket;
pccard_mem_map *win;
unsigned int w;
wh--;
if (wh >= MAX_WIN)
dev_dbg(&p_dev->dev, "releasing window %pR\n", res);
w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1;
if (w >= MAX_WIN)
return -EINVAL;
mutex_lock(&s->ops_mutex);
win = &s->win[wh];
win = &s->win[w];
if (!(p_dev->_win & CLIENT_WIN_REQ(wh))) {
if (!(p_dev->_win & CLIENT_WIN_REQ(w))) {
dev_dbg(&s->dev, "not releasing unknown window\n");
mutex_unlock(&s->ops_mutex);
return -EINVAL;
@ -392,7 +397,7 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
/* Shut down memory window */
win->flags &= ~MAP_ACTIVE;
s->ops->set_mem_map(s, win);
s->state &= ~SOCKET_WIN_REQ(wh);
s->state &= ~SOCKET_WIN_REQ(w);
/* Release system memory */
if (win->res) {
@ -400,7 +405,7 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
kfree(win->res);
win->res = NULL;
}
p_dev->_win &= ~CLIENT_WIN_REQ(wh);
p_dev->_win &= ~CLIENT_WIN_REQ(w);
mutex_unlock(&s->ops_mutex);
return 0;
@ -775,23 +780,18 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
struct pcmcia_socket *s = p_dev->socket;
pccard_mem_map *win;
u_long align;
struct resource *res;
int w;
if (!(s->state & SOCKET_PRESENT)) {
dev_dbg(&s->dev, "No card present\n");
return -ENODEV;
}
if (req->Attributes & (WIN_PAGED | WIN_SHARED)) {
dev_dbg(&s->dev, "bad attribute setting for iomem region\n");
return -EINVAL;
}
/* Window size defaults to smallest available */
if (req->Size == 0)
req->Size = s->map_size;
align = (((s->features & SS_CAP_MEM_ALIGN) ||
(req->Attributes & WIN_STRICT_ALIGN)) ?
req->Size : s->map_size);
align = (s->features & SS_CAP_MEM_ALIGN) ? req->Size : s->map_size;
if (req->Size & (s->map_size-1)) {
dev_dbg(&s->dev, "invalid map size\n");
return -EINVAL;
@ -805,20 +805,21 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
align = 0;
/* Allocate system memory window */
mutex_lock(&s->ops_mutex);
for (w = 0; w < MAX_WIN; w++)
if (!(s->state & SOCKET_WIN_REQ(w)))
break;
if (w == MAX_WIN) {
dev_dbg(&s->dev, "all windows are used already\n");
mutex_unlock(&s->ops_mutex);
return -EINVAL;
}
mutex_lock(&s->ops_mutex);
win = &s->win[w];
if (!(s->features & SS_CAP_STATIC_MAP)) {
win->res = pcmcia_find_mem_region(req->Base, req->Size, align,
(req->Attributes & WIN_MAP_BELOW_1MB), s);
0, s);
if (!win->res) {
dev_dbg(&s->dev, "allocating mem region failed\n");
mutex_unlock(&s->ops_mutex);
@ -829,16 +830,8 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
/* Configure the socket controller */
win->map = w+1;
win->flags = 0;
win->flags = req->Attributes;
win->speed = req->AccessSpeed;
if (req->Attributes & WIN_MEMORY_TYPE)
win->flags |= MAP_ATTRIB;
if (req->Attributes & WIN_ENABLE)
win->flags |= MAP_ACTIVE;
if (req->Attributes & WIN_DATA_WIDTH_16)
win->flags |= MAP_16BIT;
if (req->Attributes & WIN_USE_WAIT)
win->flags |= MAP_USE_WAIT;
win->card_start = 0;
if (s->ops->set_mem_map(s, win) != 0) {
@ -854,8 +847,16 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
else
req->Base = win->res->start;
/* convert to new-style resources */
res = p_dev->resource[w + MAX_IO_WIN];
res->start = req->Base;
res->end = req->Base + req->Size - 1;
res->flags &= ~IORESOURCE_BITS;
res->flags |= (req->Attributes & WIN_FLAGS_MAP) | (win->map << 2);
dev_dbg(&s->dev, "request_window results in %pR\n", res);
mutex_unlock(&s->ops_mutex);
*wh = w + 1;
*wh = res;
return 0;
} /* pcmcia_request_window */
@ -863,13 +864,18 @@ EXPORT_SYMBOL(pcmcia_request_window);
void pcmcia_disable_device(struct pcmcia_device *p_dev)
{
int i;
for (i = 0; i < MAX_WIN; i++) {
struct resource *res = p_dev->resource[MAX_IO_WIN + i];
if (res->flags & WIN_FLAGS_REQ)
pcmcia_release_window(p_dev, res);
}
pcmcia_release_configuration(p_dev);
pcmcia_release_io(p_dev);
if (p_dev->_irq) {
free_irq(p_dev->irq, p_dev->priv);
p_dev->_irq = 0;
}
if (p_dev->win)
pcmcia_release_window(p_dev, p_dev->win);
}
EXPORT_SYMBOL(pcmcia_disable_device);