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path: root/drivers/ssb/main.c
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Diffstat (limited to 'drivers/ssb/main.c')
-rw-r--r--drivers/ssb/main.c64
1 files changed, 61 insertions, 3 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 65a1ed951a1..579b114be41 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -17,6 +17,7 @@
#include <linux/ssb/ssb_driver_gige.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
+#include <linux/mmc/sdio_func.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
@@ -88,6 +89,25 @@ found:
}
#endif /* CONFIG_SSB_PCMCIAHOST */
+#ifdef CONFIG_SSB_SDIOHOST
+struct ssb_bus *ssb_sdio_func_to_bus(struct sdio_func *func)
+{
+ struct ssb_bus *bus;
+
+ ssb_buses_lock();
+ list_for_each_entry(bus, &buses, list) {
+ if (bus->bustype == SSB_BUSTYPE_SDIO &&
+ bus->host_sdio == func)
+ goto found;
+ }
+ bus = NULL;
+found:
+ ssb_buses_unlock();
+
+ return bus;
+}
+#endif /* CONFIG_SSB_SDIOHOST */
+
int ssb_for_each_bus_call(unsigned long data,
int (*func)(struct ssb_bus *bus, unsigned long data))
{
@@ -469,6 +489,12 @@ static int ssb_devices_register(struct ssb_bus *bus)
dev->parent = &bus->host_pcmcia->dev;
#endif
break;
+ case SSB_BUSTYPE_SDIO:
+#ifdef CONFIG_SSB_SDIO
+ sdev->irq = bus->host_sdio->dev.irq;
+ dev->parent = &bus->host_sdio->dev;
+#endif
+ break;
case SSB_BUSTYPE_SSB:
dev->dma_mask = &dev->coherent_dma_mask;
break;
@@ -724,12 +750,18 @@ static int ssb_bus_register(struct ssb_bus *bus,
err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
if (err)
goto out;
+
+ /* Init SDIO-host device (if any), before the scan */
+ err = ssb_sdio_init(bus);
+ if (err)
+ goto err_disable_xtal;
+
ssb_buses_lock();
bus->busnumber = next_busnumber;
/* Scan for devices (cores) */
err = ssb_bus_scan(bus, baseaddr);
if (err)
- goto err_disable_xtal;
+ goto err_sdio_exit;
/* Init PCI-host device (if any) */
err = ssb_pci_init(bus);
@@ -776,6 +808,8 @@ err_pci_exit:
ssb_pci_exit(bus);
err_unmap:
ssb_iounmap(bus);
+err_sdio_exit:
+ ssb_sdio_exit(bus);
err_disable_xtal:
ssb_buses_unlock();
ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
@@ -825,6 +859,28 @@ int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
EXPORT_SYMBOL(ssb_bus_pcmciabus_register);
#endif /* CONFIG_SSB_PCMCIAHOST */
+#ifdef CONFIG_SSB_SDIOHOST
+int ssb_bus_sdiobus_register(struct ssb_bus *bus, struct sdio_func *func,
+ unsigned int quirks)
+{
+ int err;
+
+ bus->bustype = SSB_BUSTYPE_SDIO;
+ bus->host_sdio = func;
+ bus->ops = &ssb_sdio_ops;
+ bus->quirks = quirks;
+
+ err = ssb_bus_register(bus, ssb_sdio_get_invariants, ~0);
+ if (!err) {
+ ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on "
+ "SDIO device %s\n", sdio_func_id(func));
+ }
+
+ return err;
+}
+EXPORT_SYMBOL(ssb_bus_sdiobus_register);
+#endif /* CONFIG_SSB_PCMCIAHOST */
+
int ssb_bus_ssbbus_register(struct ssb_bus *bus,
unsigned long baseaddr,
ssb_invariants_func_t get_invariants)
@@ -1358,8 +1414,10 @@ static int __init ssb_modinit(void)
ssb_buses_lock();
err = ssb_attach_queued_buses();
ssb_buses_unlock();
- if (err)
+ if (err) {
bus_unregister(&ssb_bustype);
+ goto out;
+ }
err = b43_pci_ssb_bridge_init();
if (err) {
@@ -1375,7 +1433,7 @@ static int __init ssb_modinit(void)
/* don't fail SSB init because of this */
err = 0;
}
-
+out:
return err;
}
/* ssb must be initialized after PCI but before the ssb drivers.