Merge branch 'writeback' of git://git.kernel.dk/linux-2.6-block
[pandora-kernel.git] / drivers / pci / hotplug / pciehp_pci.c
index 10f9566..2173310 100644 (file)
 #include "../pci.h"
 #include "pciehp.h"
 
-static void program_hpp_type0(struct pci_dev *dev, struct hpp_type0 *hpp)
-{
-       u16 pci_cmd, pci_bctl;
-
-       if (hpp->revision > 1) {
-               warn("Rev.%d type0 record not supported\n", hpp->revision);
-               return;
-       }
-
-       pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, hpp->cache_line_size);
-       pci_write_config_byte(dev, PCI_LATENCY_TIMER, hpp->latency_timer);
-       pci_read_config_word(dev, PCI_COMMAND, &pci_cmd);
-       if (hpp->enable_serr)
-               pci_cmd |= PCI_COMMAND_SERR;
-       else
-               pci_cmd &= ~PCI_COMMAND_SERR;
-       if (hpp->enable_perr)
-               pci_cmd |= PCI_COMMAND_PARITY;
-       else
-               pci_cmd &= ~PCI_COMMAND_PARITY;
-       pci_write_config_word(dev, PCI_COMMAND, pci_cmd);
-
-       /* Program bridge control value */
-       if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
-               pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER,
-                                     hpp->latency_timer);
-               pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &pci_bctl);
-               if (hpp->enable_serr)
-                       pci_bctl |= PCI_BRIDGE_CTL_SERR;
-               else
-                       pci_bctl &= ~PCI_BRIDGE_CTL_SERR;
-               if (hpp->enable_perr)
-                       pci_bctl |= PCI_BRIDGE_CTL_PARITY;
-               else
-                       pci_bctl &= ~PCI_BRIDGE_CTL_PARITY;
-               pci_write_config_word(dev, PCI_BRIDGE_CONTROL, pci_bctl);
-       }
-}
-
-static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
-{
-       int pos;
-       u16 reg16;
-       u32 reg32;
-
-       if (hpp->revision > 1) {
-               warn("Rev.%d type2 record not supported\n", hpp->revision);
-               return;
-       }
-
-       /* Find PCI Express capability */
-       pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
-       if (!pos)
-               return;
-
-       /* Initialize Device Control Register */
-       pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &reg16);
-       reg16 = (reg16 & hpp->pci_exp_devctl_and) | hpp->pci_exp_devctl_or;
-       pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, reg16);
-
-       /* Initialize Link Control Register */
-       if (dev->subordinate) {
-               pci_read_config_word(dev, pos + PCI_EXP_LNKCTL, &reg16);
-               reg16 = (reg16 & hpp->pci_exp_lnkctl_and)
-                       | hpp->pci_exp_lnkctl_or;
-               pci_write_config_word(dev, pos + PCI_EXP_LNKCTL, reg16);
-       }
-
-       /* Find Advanced Error Reporting Enhanced Capability */
-       pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
-       if (!pos)
-               return;
-
-       /* Initialize Uncorrectable Error Mask Register */
-       pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, &reg32);
-       reg32 = (reg32 & hpp->unc_err_mask_and) | hpp->unc_err_mask_or;
-       pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, reg32);
-
-       /* Initialize Uncorrectable Error Severity Register */
-       pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, &reg32);
-       reg32 = (reg32 & hpp->unc_err_sever_and) | hpp->unc_err_sever_or;
-       pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, reg32);
-
-       /* Initialize Correctable Error Mask Register */
-       pci_read_config_dword(dev, pos + PCI_ERR_COR_MASK, &reg32);
-       reg32 = (reg32 & hpp->cor_err_mask_and) | hpp->cor_err_mask_or;
-       pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, reg32);
-
-       /* Initialize Advanced Error Capabilities and Control Register */
-       pci_read_config_dword(dev, pos + PCI_ERR_CAP, &reg32);
-       reg32 = (reg32 & hpp->adv_err_cap_and) | hpp->adv_err_cap_or;
-       pci_write_config_dword(dev, pos + PCI_ERR_CAP, reg32);
-
-       /*
-        * FIXME: The following two registers are not supported yet.
-        *
-        *   o Secondary Uncorrectable Error Severity Register
-        *   o Secondary Uncorrectable Error Mask Register
-        */
-}
-
-static void program_fw_provided_values(struct pci_dev *dev)
-{
-       struct pci_dev *cdev;
-       struct hotplug_params hpp;
-
-       /* Program hpp values for this device */
-       if (!(dev->hdr_type == PCI_HEADER_TYPE_NORMAL ||
-                       (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE &&
-                       (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI)))
-               return;
-
-       if (pciehp_get_hp_params_from_firmware(dev, &hpp)) {
-               warn("Could not get hotplug parameters\n");
-               return;
-       }
-
-       if (hpp.t2)
-               program_hpp_type2(dev, hpp.t2);
-       if (hpp.t0)
-               program_hpp_type0(dev, hpp.t0);
-
-       /* Program child devices */
-       if (dev->subordinate) {
-               list_for_each_entry(cdev, &dev->subordinate->devices,
-                                   bus_list)
-                       program_fw_provided_values(cdev);
-       }
-}
-
 static int __ref pciehp_add_bridge(struct pci_dev *dev)
 {
        struct pci_bus *parent = dev->bus;
@@ -193,27 +63,27 @@ static int __ref pciehp_add_bridge(struct pci_dev *dev)
 int pciehp_configure_device(struct slot *p_slot)
 {
        struct pci_dev *dev;
-       struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+       struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate;
        int num, fn;
        struct controller *ctrl = p_slot->ctrl;
 
-       dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
+       dev = pci_get_slot(parent, PCI_DEVFN(0, 0));
        if (dev) {
                ctrl_err(ctrl, "Device %s already exists "
-                        "at %04x:%02x:%02x, cannot hot-add\n", pci_name(dev),
-                        pci_domain_nr(parent), p_slot->bus, p_slot->device);
+                        "at %04x:%02x:00, cannot hot-add\n", pci_name(dev),
+                        pci_domain_nr(parent), parent->number);
                pci_dev_put(dev);
                return -EINVAL;
        }
 
-       num = pci_scan_slot(parent, PCI_DEVFN(p_slot->device, 0));
+       num = pci_scan_slot(parent, PCI_DEVFN(0, 0));
        if (num == 0) {
                ctrl_err(ctrl, "No new device found\n");
                return -ENODEV;
        }
 
        for (fn = 0; fn < 8; fn++) {
-               dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, fn));
+               dev = pci_get_slot(parent, PCI_DEVFN(0, fn));
                if (!dev)
                        continue;
                if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
@@ -226,7 +96,7 @@ int pciehp_configure_device(struct slot *p_slot)
                                (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)) {
                        pciehp_add_bridge(dev);
                }
-               program_fw_provided_values(dev);
+               pci_configure_slot(dev);
                pci_dev_put(dev);
        }
 
@@ -241,19 +111,18 @@ int pciehp_unconfigure_device(struct slot *p_slot)
        int j;
        u8 bctl = 0;
        u8 presence = 0;
-       struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+       struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate;
        u16 command;
        struct controller *ctrl = p_slot->ctrl;
 
-       ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:%02x\n",
-                __func__, pci_domain_nr(parent), p_slot->bus, p_slot->device);
-       ret = p_slot->hpc_ops->get_adapter_status(p_slot, &presence);
+       ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:00\n",
+                __func__, pci_domain_nr(parent), parent->number);
+       ret = pciehp_get_adapter_status(p_slot, &presence);
        if (ret)
                presence = 0;
 
        for (j = 0; j < 8; j++) {
-               struct pci_dev* temp = pci_get_slot(parent,
-                               (p_slot->device << 3) | j);
+               struct pci_dev* temp = pci_get_slot(parent, PCI_DEVFN(0, j));
                if (!temp)
                        continue;
                if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
@@ -285,11 +154,6 @@ int pciehp_unconfigure_device(struct slot *p_slot)
                }
                pci_dev_put(temp);
        }
-       /*
-        * Some PCI Express root ports require fixup after hot-plug operation.
-        */
-       if (pcie_mch_quirk)
-               pci_fixup_device(pci_fixup_final, p_slot->ctrl->pci_dev);
 
        return rc;
 }