[PATCH] yenta: add support for more TI bridges

Support some more TI cardbus bridges.  most of them are multifunction
devices which adds 1394 controllers, smartcard readers etc.  this could
also help with the various problems with the XX21 controllers seen on the
linux-pcmcia list.

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

3 files changed, 44 insertions, 0 deletions

diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h
index d319f2e7d053..da0b404561c9 100644
--- a/drivers/pcmcia/ti113x.h
+++ b/drivers/pcmcia/ti113x.h
@@ -59,6 +59,7 @@
 
 #define  TI122X_SCR_SER_STEP            0xc0000000
 #define  TI122X_SCR_INTRTIE             0x20000000
+#define  TIXX21_SCR_TIEALL              0x10000000
 #define  TI122X_SCR_CBRSVD              0x00400000
 #define  TI122X_SCR_MRBURSTDN           0x00008000
 #define  TI122X_SCR_MRBURSTUP           0x00004000
@@ -624,6 +625,7 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket)
         int devfn;
         unsigned int state;
         int ret = 1;
+        u32 sysctl;
 
         /* catch the two-slot controllers */
         switch (socket->dev->device) {
@@ -646,6 +648,24 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket)
                  */
                 break;
 
+        case PCI_DEVICE_ID_TI_X515:
+        case PCI_DEVICE_ID_TI_X420:
+        case PCI_DEVICE_ID_TI_X620:
+        case PCI_DEVICE_ID_TI_XX21_XX11:
+        case PCI_DEVICE_ID_TI_7410:
+        case PCI_DEVICE_ID_TI_7610:
+                /*
+                 * those are either single or dual slot CB with additional functions
+                 * like 1394, smartcard reader, etc. check the TIEALL flag for them
+                 * the TIEALL flag binds the IRQ of all functions toghether.
+                 * we catch the single slot variants later.
+                 */
+                sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL);
+                if (sysctl & TIXX21_SCR_TIEALL)
+                        return 0;
+
+                break;
+
         /* single-slot controllers have the 2nd slot empty always :) */
         default:
                 return 1;
@@ -658,6 +678,15 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket)
         if (!func)
                 return 1;
 
+        /*
+         * check that the device id of both slots match. this is needed for the
+         * XX21 and the XX11 controller that share the same device id for single
+         * and dual slot controllers. return '2nd slot empty'. we already checked
+         * if the interrupt is tied to another function.
+         */
+        if (socket->dev->device != func->device)
+                goto out;
+
         slot2 = pci_get_drvdata(func);
         if (!slot2)
                 goto out;
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 80806c9b43ad..c3e22fca105a 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -1249,6 +1249,14 @@ static struct pci_device_id yenta_table [] = {
         CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
         CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
 
+        CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
+        CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
+        CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
+        CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
+        CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
+        CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
+        CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
+
         CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
         CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
         CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 92efb2c767f9..68f11ac1a314 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -769,6 +769,8 @@
 #define PCI_DEVICE_ID_TI_TVP4010        0x3d04
 #define PCI_DEVICE_ID_TI_TVP4020        0x3d07
 #define PCI_DEVICE_ID_TI_4450           0x8011
+#define PCI_DEVICE_ID_TI_XX21_XX11      0x8031
+#define PCI_DEVICE_ID_TI_X515           0x8036
 #define PCI_DEVICE_ID_TI_1130           0xac12
 #define PCI_DEVICE_ID_TI_1031           0xac13
 #define PCI_DEVICE_ID_TI_1131           0xac15
@@ -785,12 +787,17 @@
 #define PCI_DEVICE_ID_TI_4451           0xac42
 #define PCI_DEVICE_ID_TI_4510           0xac44
 #define PCI_DEVICE_ID_TI_4520           0xac46
+#define PCI_DEVICE_ID_TI_7510           0xac47
+#define PCI_DEVICE_ID_TI_7610           0xac48
+#define PCI_DEVICE_ID_TI_7410           0xac49
 #define PCI_DEVICE_ID_TI_1410           0xac50
 #define PCI_DEVICE_ID_TI_1420           0xac51
 #define PCI_DEVICE_ID_TI_1451A          0xac52
 #define PCI_DEVICE_ID_TI_1620           0xac54
 #define PCI_DEVICE_ID_TI_1520           0xac55
 #define PCI_DEVICE_ID_TI_1510           0xac56
+#define PCI_DEVICE_ID_TI_X620           0xac8d
+#define PCI_DEVICE_ID_TI_X420           0xac8e
 
 #define PCI_VENDOR_ID_SONY              0x104d
 #define PCI_DEVICE_ID_SONY_CXD3222      0x8039