diff options
Diffstat (limited to 'drivers/pcmcia/pcmcia_resource.c')
| -rw-r--r-- | drivers/pcmcia/pcmcia_resource.c | 70 |
1 files changed, 38 insertions, 32 deletions
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 975baaa..01f8e56 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -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); |