#if IS_ENABLED(CONFIG_IWLWIFI_KUNIT_TESTS)
extern const struct iwl_dev_info iwl_dev_info_table[];
extern const unsigned int iwl_dev_info_table_size;
+extern const struct pci_device_id iwl_hw_card_ids[];
+#endif
+
const struct iwl_dev_info *
iwl_pci_find_dev_info(u16 device, u16 subsystem_device, u16 rf_type, u8 cdb,
u8 rf_id, u8 bw_limit, u8 rf_step);
-extern const struct pci_device_id iwl_hw_card_ids[];
-#endif
/*
* This list declares the config structures for all devices.
EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_dev_info_table_size);
#endif
-/*
- * Read rf id and cdb info from prph register and store it
- */
-static void get_crf_id(struct iwl_trans *iwl_trans,
- struct iwl_trans_info *info)
-{
- u32 sd_reg_ver_addr;
- u32 hw_wfpm_id;
- u32 val = 0;
- u8 step;
-
- if (iwl_trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
- sd_reg_ver_addr = SD_REG_VER_GEN2;
- else
- sd_reg_ver_addr = SD_REG_VER;
-
- /* Enable access to peripheral registers */
- val = iwl_read_umac_prph_no_grab(iwl_trans, WFPM_CTRL_REG);
- val |= WFPM_AUX_CTL_AUX_IF_MAC_OWNER_MSK;
- iwl_write_umac_prph_no_grab(iwl_trans, WFPM_CTRL_REG, val);
-
- /* Read crf info */
- info->hw_crf_id = iwl_read_prph_no_grab(iwl_trans, sd_reg_ver_addr);
-
- /* Read cnv info */
- info->hw_cnv_id = iwl_read_prph_no_grab(iwl_trans, CNVI_AUX_MISC_CHIP);
-
- /* For BZ-W, take B step also when A step is indicated */
- if (CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ_W)
- step = SILICON_B_STEP;
-
- /* In BZ, the MAC step must be read from the CNVI aux register */
- if (CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ) {
- step = CNVI_AUX_MISC_CHIP_MAC_STEP(info->hw_cnv_id);
-
- /* For BZ-U, take B step also when A step is indicated */
- if ((CNVI_AUX_MISC_CHIP_PROD_TYPE(info->hw_cnv_id) ==
- CNVI_AUX_MISC_CHIP_PROD_TYPE_BZ_U) &&
- step == SILICON_A_STEP)
- step = SILICON_B_STEP;
- }
-
- if (CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ ||
- CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ_W) {
- info->hw_rev_step = step;
- info->hw_rev |= step;
- }
-
- /* Read cdb info (also contains the jacket info if needed in the future */
- hw_wfpm_id = iwl_read_umac_prph_no_grab(iwl_trans, WFPM_OTP_CFG1_ADDR);
- IWL_INFO(iwl_trans, "Detected crf-id 0x%x, cnv-id 0x%x wfpm id 0x%x\n",
- info->hw_crf_id, info->hw_cnv_id, hw_wfpm_id);
-}
-
-/*
- * In case that there is no OTP on the NIC, map the rf id and cdb info
- * from the prph registers.
- */
-static int map_crf_id(struct iwl_trans *iwl_trans,
- struct iwl_trans_info *info)
-{
- int ret = 0;
- u32 val = info->hw_crf_id;
- u32 step_id = REG_CRF_ID_STEP(val);
- u32 slave_id = REG_CRF_ID_SLAVE(val);
- u32 jacket_id_cnv = REG_CRF_ID_SLAVE(info->hw_cnv_id);
- u32 hw_wfpm_id = iwl_read_umac_prph_no_grab(iwl_trans,
- WFPM_OTP_CFG1_ADDR);
- u32 jacket_id_wfpm = WFPM_OTP_CFG1_IS_JACKET(hw_wfpm_id);
- u32 cdb_id_wfpm = WFPM_OTP_CFG1_IS_CDB(hw_wfpm_id);
-
- /* Map between crf id to rf id */
- switch (REG_CRF_ID_TYPE(val)) {
- case REG_CRF_ID_TYPE_JF_1:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_JF1 << 12);
- break;
- case REG_CRF_ID_TYPE_JF_2:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_JF2 << 12);
- break;
- case REG_CRF_ID_TYPE_HR_NONE_CDB_1X1:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_HR1 << 12);
- break;
- case REG_CRF_ID_TYPE_HR_NONE_CDB:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_HR2 << 12);
- break;
- case REG_CRF_ID_TYPE_HR_CDB:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_HR2 << 12);
- break;
- case REG_CRF_ID_TYPE_GF:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_GF << 12);
- break;
- case REG_CRF_ID_TYPE_FM:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_FM << 12);
- break;
- case REG_CRF_ID_TYPE_WHP:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_WH << 12);
- break;
- case REG_CRF_ID_TYPE_PE:
- info->hw_rf_id = (IWL_CFG_RF_TYPE_PE << 12);
- break;
- default:
- ret = -EIO;
- IWL_ERR(iwl_trans,
- "Can't find a correct rfid for crf id 0x%x\n",
- REG_CRF_ID_TYPE(val));
- goto out;
-
- }
-
- /* Set Step-id */
- info->hw_rf_id |= (step_id << 8);
-
- /* Set CDB capabilities */
- if (cdb_id_wfpm || slave_id) {
- info->hw_rf_id += BIT(28);
- IWL_INFO(iwl_trans, "Adding cdb to rf id\n");
- }
-
- /* Set Jacket capabilities */
- if (jacket_id_wfpm || jacket_id_cnv) {
- info->hw_rf_id += BIT(29);
- IWL_INFO(iwl_trans, "Adding jacket to rf id\n");
- }
-
- IWL_INFO(iwl_trans,
- "Detected rf-type 0x%x step-id 0x%x slave-id 0x%x from crf id 0x%x\n",
- REG_CRF_ID_TYPE(val), step_id, slave_id, info->hw_rf_id);
- IWL_INFO(iwl_trans,
- "Detected cdb-id 0x%x jacket-id 0x%x from wfpm id 0x%x\n",
- cdb_id_wfpm, jacket_id_wfpm, hw_wfpm_id);
- IWL_INFO(iwl_trans, "Detected jacket-id 0x%x from cnvi id 0x%x\n",
- jacket_id_cnv, info->hw_cnv_id);
-
-out:
- return ret;
-}
-
/* PCI registers */
#define PCI_CFG_RETRY_TIMEOUT 0x041
-VISIBLE_IF_IWLWIFI_KUNIT const struct iwl_dev_info *
+const struct iwl_dev_info *
iwl_pci_find_dev_info(u16 device, u16 subsystem_device, u16 rf_type, u8 cdb,
u8 rf_id, u8 bw_limit, u8 rf_step)
{
}
EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_pci_find_dev_info);
-static void iwl_pcie_recheck_me_status(struct work_struct *wk)
-{
- struct iwl_trans_pcie *trans_pcie = container_of(wk,
- typeof(*trans_pcie),
- me_recheck_wk.work);
- u32 val;
-
- val = iwl_read32(trans_pcie->trans, CSR_HW_IF_CONFIG_REG);
- trans_pcie->me_present = !!(val & CSR_HW_IF_CONFIG_REG_IAMT_UP);
-}
-
-static void iwl_pcie_check_me_status(struct iwl_trans *trans)
-{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- u32 val;
-
- trans_pcie->me_present = -1;
-
- INIT_DELAYED_WORK(&trans_pcie->me_recheck_wk,
- iwl_pcie_recheck_me_status);
-
- /* we don't have a good way of determining this until BZ */
- if (trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
- return;
-
- val = iwl_read_prph(trans, CNVI_SCU_REG_FOR_ECO_1);
- if (val & CNVI_SCU_REG_FOR_ECO_1_WIAMT_KNOWN) {
- trans_pcie->me_present =
- !!(val & CNVI_SCU_REG_FOR_ECO_1_WIAMT_PRESENT);
- return;
- }
-
- val = iwl_read32(trans, CSR_HW_IF_CONFIG_REG);
- if (val & (CSR_HW_IF_CONFIG_REG_ME_OWN |
- CSR_HW_IF_CONFIG_REG_IAMT_UP)) {
- trans_pcie->me_present = 1;
- return;
- }
-
- /* recheck again later, ME might still be initializing */
- schedule_delayed_work(&trans_pcie->me_recheck_wk, HZ);
-}
-
static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- const struct iwl_mac_cfg *trans;
- const struct iwl_dev_info *dev_info;
- struct iwl_trans_info info = {
- .hw_id = (pdev->device << 16) + pdev->subsystem_device,
- };
- struct iwl_trans *iwl_trans;
- struct iwl_trans_pcie *trans_pcie;
- int ret;
-
- trans = (void *)ent->driver_data;
+ const struct iwl_mac_cfg *mac_cfg = (void *)ent->driver_data;
- iwl_trans = iwl_trans_pcie_alloc(pdev, trans, &info);
- if (IS_ERR(iwl_trans))
- return PTR_ERR(iwl_trans);
-
- trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
-
- iwl_trans_pcie_check_product_reset_status(pdev);
- iwl_trans_pcie_check_product_reset_mode(pdev);
-
- /* set the things we know so far for the grab NIC access */
- iwl_trans_set_info(iwl_trans, &info);
-
- /*
- * Let's try to grab NIC access early here. Sometimes, NICs may
- * fail to initialize, and if that happens it's better if we see
- * issues early on (and can reprobe, per the logic inside), than
- * first trying to load the firmware etc. and potentially only
- * detecting any problems when the first interface is brought up.
- */
- ret = iwl_pcie_prepare_card_hw(iwl_trans);
- if (!ret) {
- ret = iwl_finish_nic_init(iwl_trans);
- if (ret)
- goto out_free_trans;
- if (iwl_trans_grab_nic_access(iwl_trans)) {
- get_crf_id(iwl_trans, &info);
- /* all good */
- iwl_trans_release_nic_access(iwl_trans);
- } else {
- ret = -EIO;
- goto out_free_trans;
- }
- }
-
- info.hw_rf_id = iwl_read32(iwl_trans, CSR_HW_RF_ID);
-
- /*
- * The RF_ID is set to zero in blank OTP so read version to
- * extract the RF_ID.
- * This is relevant only for family 9000 and up.
- */
- if (iwl_trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_9000 &&
- !CSR_HW_RFID_TYPE(info.hw_rf_id) && map_crf_id(iwl_trans, &info)) {
- ret = -EINVAL;
- goto out_free_trans;
- }
-
- IWL_INFO(iwl_trans, "PCI dev %04x/%04x, rev=0x%x, rfid=0x%x\n",
- pdev->device, pdev->subsystem_device,
- info.hw_rev, info.hw_rf_id);
-
- dev_info = iwl_pci_find_dev_info(pdev->device, pdev->subsystem_device,
- CSR_HW_RFID_TYPE(info.hw_rf_id),
- CSR_HW_RFID_IS_CDB(info.hw_rf_id),
- IWL_SUBDEVICE_RF_ID(pdev->subsystem_device),
- IWL_SUBDEVICE_BW_LIM(pdev->subsystem_device),
- CSR_HW_RFID_STEP(info.hw_rf_id));
- if (dev_info) {
- iwl_trans->cfg = dev_info->cfg;
- info.name = dev_info->name;
- }
-
-#if IS_ENABLED(CONFIG_IWLMVM)
- /*
- * special-case 7265D, it has the same PCI IDs.
- *
- * Note that because we already pass the cfg to the transport above,
- * all the parameters that the transport uses must, until that is
- * changed, be identical to the ones in the 7265D configuration.
- */
- if (iwl_trans->cfg == &iwl7265_cfg &&
- (info.hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D)
- iwl_trans->cfg = &iwl7265d_cfg;
-#endif
- if (!iwl_trans->cfg) {
- pr_err("No config found for PCI dev %04x/%04x, rev=0x%x, rfid=0x%x\n",
- pdev->device, pdev->subsystem_device,
- info.hw_rev, info.hw_rf_id);
- ret = -EINVAL;
- goto out_free_trans;
- }
-
- IWL_INFO(iwl_trans, "Detected %s\n", info.name);
-
- if (iwl_trans->mac_cfg->mq_rx_supported) {
- if (WARN_ON(!iwl_trans->cfg->num_rbds)) {
- ret = -EINVAL;
- goto out_free_trans;
- }
- trans_pcie->num_rx_bufs = iwl_trans_get_num_rbds(iwl_trans);
- } else {
- trans_pcie->num_rx_bufs = RX_QUEUE_SIZE;
- }
-
- if (!iwl_trans->mac_cfg->integrated) {
- u16 link_status;
-
- pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, &link_status);
-
- info.pcie_link_speed =
- u16_get_bits(link_status, PCI_EXP_LNKSTA_CLS);
- }
-
- iwl_trans_set_info(iwl_trans, &info);
-
- ret = iwl_trans_init(iwl_trans);
- if (ret)
- goto out_free_trans;
-
- pci_set_drvdata(pdev, iwl_trans);
-
- iwl_pcie_check_me_status(iwl_trans);
-
- /* try to get ownership so that we'll know if we don't own it */
- iwl_pcie_prepare_card_hw(iwl_trans);
-
- iwl_trans->drv = iwl_drv_start(iwl_trans);
-
- if (IS_ERR(iwl_trans->drv)) {
- ret = PTR_ERR(iwl_trans->drv);
- goto out_free_trans;
- }
-
- /* register transport layer debugfs here */
- iwl_trans_pcie_dbgfs_register(iwl_trans);
-
- return 0;
-
-out_free_trans:
- iwl_trans_pcie_free(iwl_trans);
- return ret;
+ return iwl_pci_gen1_2_probe(pdev, ent, mac_cfg);
}
static void iwl_pci_remove(struct pci_dev *pdev)
* Convention: trans API functions: iwl_trans_pcie_XXX
* Other functions: iwl_pcie_XXX
*/
-struct iwl_trans
-*iwl_trans_pcie_alloc(struct pci_dev *pdev,
- const struct iwl_mac_cfg *mac_cfg,
- struct iwl_trans_info *info);
void iwl_trans_pcie_free(struct iwl_trans *trans);
void iwl_trans_pcie_free_pnvm_dram_regions(struct iwl_dram_regions *dram_regions,
struct device *dev);
void __releases(nic_access_nobh)
iwl_trans_pcie_release_nic_access(struct iwl_trans *trans);
void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power);
+int iwl_pci_gen1_2_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent,
+ const struct iwl_mac_cfg *trans);
/* transport gen 1 exported functions */
void iwl_trans_pcie_fw_alive(struct iwl_trans *trans);
iwl_trans_sync_nmi_with_addr(trans, inta_addr, sw_err_bit);
}
-struct iwl_trans *
+static struct iwl_trans *
iwl_trans_pcie_alloc(struct pci_dev *pdev,
const struct iwl_mac_cfg *mac_cfg,
struct iwl_trans_info *info)
trans_pcie->imr_status = IMR_D2S_IDLE;
return 0;
}
+
+/*
+ * Read rf id and cdb info from prph register and store it
+ */
+static void get_crf_id(struct iwl_trans *iwl_trans,
+ struct iwl_trans_info *info)
+{
+ u32 sd_reg_ver_addr;
+ u32 hw_wfpm_id;
+ u32 val = 0;
+ u8 step;
+
+ if (iwl_trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
+ sd_reg_ver_addr = SD_REG_VER_GEN2;
+ else
+ sd_reg_ver_addr = SD_REG_VER;
+
+ /* Enable access to peripheral registers */
+ val = iwl_read_umac_prph_no_grab(iwl_trans, WFPM_CTRL_REG);
+ val |= WFPM_AUX_CTL_AUX_IF_MAC_OWNER_MSK;
+ iwl_write_umac_prph_no_grab(iwl_trans, WFPM_CTRL_REG, val);
+
+ /* Read crf info */
+ info->hw_crf_id = iwl_read_prph_no_grab(iwl_trans, sd_reg_ver_addr);
+
+ /* Read cnv info */
+ info->hw_cnv_id = iwl_read_prph_no_grab(iwl_trans, CNVI_AUX_MISC_CHIP);
+
+ /* For BZ-W, take B step also when A step is indicated */
+ if (CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ_W)
+ step = SILICON_B_STEP;
+
+ /* In BZ, the MAC step must be read from the CNVI aux register */
+ if (CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ) {
+ step = CNVI_AUX_MISC_CHIP_MAC_STEP(info->hw_cnv_id);
+
+ /* For BZ-U, take B step also when A step is indicated */
+ if ((CNVI_AUX_MISC_CHIP_PROD_TYPE(info->hw_cnv_id) ==
+ CNVI_AUX_MISC_CHIP_PROD_TYPE_BZ_U) &&
+ step == SILICON_A_STEP)
+ step = SILICON_B_STEP;
+ }
+
+ if (CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ ||
+ CSR_HW_REV_TYPE(info->hw_rev) == IWL_CFG_MAC_TYPE_BZ_W) {
+ info->hw_rev_step = step;
+ info->hw_rev |= step;
+ }
+
+ /* Read cdb info (also contains the jacket info if needed in the future */
+ hw_wfpm_id = iwl_read_umac_prph_no_grab(iwl_trans, WFPM_OTP_CFG1_ADDR);
+ IWL_INFO(iwl_trans, "Detected crf-id 0x%x, cnv-id 0x%x wfpm id 0x%x\n",
+ info->hw_crf_id, info->hw_cnv_id, hw_wfpm_id);
+}
+
+/*
+ * In case that there is no OTP on the NIC, map the rf id and cdb info
+ * from the prph registers.
+ */
+static int map_crf_id(struct iwl_trans *iwl_trans,
+ struct iwl_trans_info *info)
+{
+ int ret = 0;
+ u32 val = info->hw_crf_id;
+ u32 step_id = REG_CRF_ID_STEP(val);
+ u32 slave_id = REG_CRF_ID_SLAVE(val);
+ u32 jacket_id_cnv = REG_CRF_ID_SLAVE(info->hw_cnv_id);
+ u32 hw_wfpm_id = iwl_read_umac_prph_no_grab(iwl_trans,
+ WFPM_OTP_CFG1_ADDR);
+ u32 jacket_id_wfpm = WFPM_OTP_CFG1_IS_JACKET(hw_wfpm_id);
+ u32 cdb_id_wfpm = WFPM_OTP_CFG1_IS_CDB(hw_wfpm_id);
+
+ /* Map between crf id to rf id */
+ switch (REG_CRF_ID_TYPE(val)) {
+ case REG_CRF_ID_TYPE_JF_1:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_JF1 << 12);
+ break;
+ case REG_CRF_ID_TYPE_JF_2:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_JF2 << 12);
+ break;
+ case REG_CRF_ID_TYPE_HR_NONE_CDB_1X1:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_HR1 << 12);
+ break;
+ case REG_CRF_ID_TYPE_HR_NONE_CDB:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_HR2 << 12);
+ break;
+ case REG_CRF_ID_TYPE_HR_CDB:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_HR2 << 12);
+ break;
+ case REG_CRF_ID_TYPE_GF:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_GF << 12);
+ break;
+ case REG_CRF_ID_TYPE_FM:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_FM << 12);
+ break;
+ case REG_CRF_ID_TYPE_WHP:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_WH << 12);
+ break;
+ case REG_CRF_ID_TYPE_PE:
+ info->hw_rf_id = (IWL_CFG_RF_TYPE_PE << 12);
+ break;
+ default:
+ ret = -EIO;
+ IWL_ERR(iwl_trans,
+ "Can't find a correct rfid for crf id 0x%x\n",
+ REG_CRF_ID_TYPE(val));
+ goto out;
+ }
+
+ /* Set Step-id */
+ info->hw_rf_id |= (step_id << 8);
+
+ /* Set CDB capabilities */
+ if (cdb_id_wfpm || slave_id) {
+ info->hw_rf_id += BIT(28);
+ IWL_INFO(iwl_trans, "Adding cdb to rf id\n");
+ }
+
+ /* Set Jacket capabilities */
+ if (jacket_id_wfpm || jacket_id_cnv) {
+ info->hw_rf_id += BIT(29);
+ IWL_INFO(iwl_trans, "Adding jacket to rf id\n");
+ }
+
+ IWL_INFO(iwl_trans,
+ "Detected rf-type 0x%x step-id 0x%x slave-id 0x%x from crf id 0x%x\n",
+ REG_CRF_ID_TYPE(val), step_id, slave_id, info->hw_rf_id);
+ IWL_INFO(iwl_trans,
+ "Detected cdb-id 0x%x jacket-id 0x%x from wfpm id 0x%x\n",
+ cdb_id_wfpm, jacket_id_wfpm, hw_wfpm_id);
+ IWL_INFO(iwl_trans, "Detected jacket-id 0x%x from cnvi id 0x%x\n",
+ jacket_id_cnv, info->hw_cnv_id);
+
+out:
+ return ret;
+}
+
+static void iwl_pcie_recheck_me_status(struct work_struct *wk)
+{
+ struct iwl_trans_pcie *trans_pcie = container_of(wk,
+ typeof(*trans_pcie),
+ me_recheck_wk.work);
+ u32 val;
+
+ val = iwl_read32(trans_pcie->trans, CSR_HW_IF_CONFIG_REG);
+ trans_pcie->me_present = !!(val & CSR_HW_IF_CONFIG_REG_IAMT_UP);
+}
+
+static void iwl_pcie_check_me_status(struct iwl_trans *trans)
+{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ u32 val;
+
+ trans_pcie->me_present = -1;
+
+ INIT_DELAYED_WORK(&trans_pcie->me_recheck_wk,
+ iwl_pcie_recheck_me_status);
+
+ /* we don't have a good way of determining this until BZ */
+ if (trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
+ return;
+
+ val = iwl_read_prph(trans, CNVI_SCU_REG_FOR_ECO_1);
+ if (val & CNVI_SCU_REG_FOR_ECO_1_WIAMT_KNOWN) {
+ trans_pcie->me_present =
+ !!(val & CNVI_SCU_REG_FOR_ECO_1_WIAMT_PRESENT);
+ return;
+ }
+
+ val = iwl_read32(trans, CSR_HW_IF_CONFIG_REG);
+ if (val & (CSR_HW_IF_CONFIG_REG_ME_OWN |
+ CSR_HW_IF_CONFIG_REG_IAMT_UP)) {
+ trans_pcie->me_present = 1;
+ return;
+ }
+
+ /* recheck again later, ME might still be initializing */
+ schedule_delayed_work(&trans_pcie->me_recheck_wk, HZ);
+}
+
+int iwl_pci_gen1_2_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent,
+ const struct iwl_mac_cfg *trans)
+{
+ const struct iwl_dev_info *dev_info;
+ struct iwl_trans_info info = {
+ .hw_id = (pdev->device << 16) + pdev->subsystem_device,
+ };
+ struct iwl_trans *iwl_trans;
+ struct iwl_trans_pcie *trans_pcie;
+ int ret;
+
+ iwl_trans = iwl_trans_pcie_alloc(pdev, trans, &info);
+ if (IS_ERR(iwl_trans))
+ return PTR_ERR(iwl_trans);
+
+ trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
+
+ iwl_trans_pcie_check_product_reset_status(pdev);
+ iwl_trans_pcie_check_product_reset_mode(pdev);
+
+ /* set the things we know so far for the grab NIC access */
+ iwl_trans_set_info(iwl_trans, &info);
+
+ /*
+ * Let's try to grab NIC access early here. Sometimes, NICs may
+ * fail to initialize, and if that happens it's better if we see
+ * issues early on (and can reprobe, per the logic inside), than
+ * first trying to load the firmware etc. and potentially only
+ * detecting any problems when the first interface is brought up.
+ */
+ ret = iwl_pcie_prepare_card_hw(iwl_trans);
+ if (!ret) {
+ ret = iwl_finish_nic_init(iwl_trans);
+ if (ret)
+ goto out_free_trans;
+ if (iwl_trans_grab_nic_access(iwl_trans)) {
+ get_crf_id(iwl_trans, &info);
+ /* all good */
+ iwl_trans_release_nic_access(iwl_trans);
+ } else {
+ ret = -EIO;
+ goto out_free_trans;
+ }
+ }
+
+ info.hw_rf_id = iwl_read32(iwl_trans, CSR_HW_RF_ID);
+
+ /*
+ * The RF_ID is set to zero in blank OTP so read version to
+ * extract the RF_ID.
+ * This is relevant only for family 9000 and up.
+ */
+ if (iwl_trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_9000 &&
+ !CSR_HW_RFID_TYPE(info.hw_rf_id) && map_crf_id(iwl_trans, &info)) {
+ ret = -EINVAL;
+ goto out_free_trans;
+ }
+
+ IWL_INFO(iwl_trans, "PCI dev %04x/%04x, rev=0x%x, rfid=0x%x\n",
+ pdev->device, pdev->subsystem_device,
+ info.hw_rev, info.hw_rf_id);
+
+ dev_info = iwl_pci_find_dev_info(pdev->device, pdev->subsystem_device,
+ CSR_HW_RFID_TYPE(info.hw_rf_id),
+ CSR_HW_RFID_IS_CDB(info.hw_rf_id),
+ IWL_SUBDEVICE_RF_ID(pdev->subsystem_device),
+ IWL_SUBDEVICE_BW_LIM(pdev->subsystem_device),
+ CSR_HW_RFID_STEP(info.hw_rf_id));
+ if (dev_info) {
+ iwl_trans->cfg = dev_info->cfg;
+ info.name = dev_info->name;
+ }
+
+#if IS_ENABLED(CONFIG_IWLMVM)
+
+ /*
+ * special-case 7265D, it has the same PCI IDs.
+ *
+ * Note that because we already pass the cfg to the transport above,
+ * all the parameters that the transport uses must, until that is
+ * changed, be identical to the ones in the 7265D configuration.
+ */
+ if (iwl_trans->cfg == &iwl7265_cfg &&
+ (info.hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D)
+ iwl_trans->cfg = &iwl7265d_cfg;
+#endif
+ if (!iwl_trans->cfg) {
+ pr_err("No config found for PCI dev %04x/%04x, rev=0x%x, rfid=0x%x\n",
+ pdev->device, pdev->subsystem_device,
+ info.hw_rev, info.hw_rf_id);
+ ret = -EINVAL;
+ goto out_free_trans;
+ }
+
+ IWL_INFO(iwl_trans, "Detected %s\n", info.name);
+
+ if (iwl_trans->mac_cfg->mq_rx_supported) {
+ if (WARN_ON(!iwl_trans->cfg->num_rbds)) {
+ ret = -EINVAL;
+ goto out_free_trans;
+ }
+ trans_pcie->num_rx_bufs = iwl_trans_get_num_rbds(iwl_trans);
+ } else {
+ trans_pcie->num_rx_bufs = RX_QUEUE_SIZE;
+ }
+
+ if (!iwl_trans->mac_cfg->integrated) {
+ u16 link_status;
+
+ pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, &link_status);
+
+ info.pcie_link_speed =
+ u16_get_bits(link_status, PCI_EXP_LNKSTA_CLS);
+ }
+
+ iwl_trans_set_info(iwl_trans, &info);
+
+ ret = iwl_trans_init(iwl_trans);
+ if (ret)
+ goto out_free_trans;
+
+ pci_set_drvdata(pdev, iwl_trans);
+
+ iwl_pcie_check_me_status(iwl_trans);
+
+ /* try to get ownership so that we'll know if we don't own it */
+ iwl_pcie_prepare_card_hw(iwl_trans);
+
+ iwl_trans->drv = iwl_drv_start(iwl_trans);
+
+ if (IS_ERR(iwl_trans->drv)) {
+ ret = PTR_ERR(iwl_trans->drv);
+ goto out_free_trans;
+ }
+
+ /* register transport layer debugfs here */
+ iwl_trans_pcie_dbgfs_register(iwl_trans);
+
+ return 0;
+
+out_free_trans:
+ iwl_trans_pcie_free(iwl_trans);
+ return ret;
+}
projects / thirdparty / linux.git / commitdiff
