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path: root/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/drv.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/drv.c326
1 files changed, 102 insertions, 224 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index d9ed53b7c768..e5ca1f2685b6 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -65,7 +65,6 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
-#include <linux/pm_runtime.h>
#include <linux/pci.h>
#include <linux/acpi.h>
@@ -73,6 +72,7 @@
#include "iwl-trans.h"
#include "iwl-drv.h"
+#include "iwl-prph.h"
#include "internal.h"
#define IWL_PCI_DEVICE(dev, subdev, cfg) \
@@ -994,15 +994,22 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
const struct iwl_cfg *cfg_7265d __maybe_unused = NULL;
struct iwl_trans *iwl_trans;
+ unsigned long flags;
int ret;
- if (WARN_ONCE(!cfg->csr, "CSR addresses aren't configured\n"))
- return -EINVAL;
-
- iwl_trans = iwl_trans_pcie_alloc(pdev, ent, cfg);
+ iwl_trans = iwl_trans_pcie_alloc(pdev, ent, &cfg->trans);
if (IS_ERR(iwl_trans))
return PTR_ERR(iwl_trans);
+ /* the trans_cfg should never change, so set it now */
+ iwl_trans->trans_cfg = &cfg->trans;
+
+ if (WARN_ONCE(!iwl_trans->trans_cfg->csr,
+ "CSR addresses aren't configured\n")) {
+ ret = -EINVAL;
+ goto out_free_trans;
+ }
+
#if IS_ENABLED(CONFIG_IWLMVM)
/*
* special-case 7265D, it has the same PCI IDs.
@@ -1018,29 +1025,70 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
else if (cfg == &iwl7265_n_cfg)
cfg_7265d = &iwl7265d_n_cfg;
if (cfg_7265d &&
- (iwl_trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D) {
+ (iwl_trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D)
cfg = cfg_7265d;
- iwl_trans->cfg = cfg_7265d;
- }
- if (iwl_trans->cfg->rf_id && cfg == &iwl22000_2ac_cfg_hr_cdb &&
- iwl_trans->hw_rev != CSR_HW_REV_TYPE_HR_CDB) {
- u32 rf_id_chp = CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id);
- u32 jf_chp_id = CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_JF);
- u32 hr_chp_id = CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR);
-
- if (rf_id_chp == jf_chp_id) {
- if (iwl_trans->hw_rev == CSR_HW_REV_TYPE_QNJ)
- cfg = &iwl9560_2ac_cfg_qnj_jf_b0;
- else
- cfg = &iwl22000_2ac_cfg_jf;
- } else if (rf_id_chp == hr_chp_id) {
- if (iwl_trans->hw_rev == CSR_HW_REV_TYPE_QNJ)
- cfg = &iwl22000_2ax_cfg_qnj_hr_a0;
- else
- cfg = &iwl22000_2ac_cfg_hr;
+ iwl_trans->hw_rf_id = iwl_read32(iwl_trans, CSR_HW_RF_ID);
+
+ if (cfg == &iwlax210_2ax_cfg_so_hr_a0) {
+ if (iwl_trans->hw_rev == CSR_HW_REV_TYPE_TY) {
+ cfg = &iwlax210_2ax_cfg_ty_gf_a0;
+ } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_JF)) {
+ cfg = &iwlax210_2ax_cfg_so_jf_a0;
+ } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_GF)) {
+ cfg = &iwlax211_2ax_cfg_so_gf_a0;
+ } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_GF4)) {
+ cfg = &iwlax411_2ax_cfg_so_gf4_a0;
+ }
+ } else if (cfg == &iwl_ax101_cfg_qu_hr) {
+ if ((CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) &&
+ iwl_trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0) ||
+ (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR1))) {
+ cfg = &iwl22000_2ax_cfg_qnj_hr_b0;
+ } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR)) {
+ cfg = &iwl_ax101_cfg_qu_hr;
+ } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_JF)) {
+ cfg = &iwl22000_2ax_cfg_jf;
+ } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HRCDB)) {
+ IWL_ERR(iwl_trans, "RF ID HRCDB is not supported\n");
+ return -EINVAL;
+ } else {
+ IWL_ERR(iwl_trans, "Unrecognized RF ID 0x%08x\n",
+ CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id));
+ return -EINVAL;
+ }
+ } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
+ CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) &&
+ ((cfg != &iwl_ax200_cfg_cc &&
+ cfg != &killer1650x_2ax_cfg &&
+ cfg != &killer1650w_2ax_cfg &&
+ cfg != &iwl_ax201_cfg_quz_hr) ||
+ iwl_trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0)) {
+ u32 hw_status;
+
+ hw_status = iwl_read_prph(iwl_trans, UMAG_GEN_HW_STATUS);
+ if (CSR_HW_RF_STEP(iwl_trans->hw_rf_id) == SILICON_B_STEP)
+ /*
+ * b step fw is the same for physical card and fpga
+ */
+ cfg = &iwl22000_2ax_cfg_qnj_hr_b0;
+ else if ((hw_status & UMAG_GEN_HW_IS_FPGA) &&
+ CSR_HW_RF_STEP(iwl_trans->hw_rf_id) == SILICON_A_STEP) {
+ cfg = &iwl22000_2ax_cfg_qnj_hr_a0_f0;
+ } else {
+ /*
+ * a step no FPGA
+ */
+ cfg = &iwl22000_2ac_cfg_hr;
}
- iwl_trans->cfg = cfg;
}
/*
@@ -1050,22 +1098,18 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* thing to do to support Qu C-step.
*/
if (iwl_trans->hw_rev == CSR_HW_REV_TYPE_QU_C0) {
- if (iwl_trans->cfg == &iwl_ax101_cfg_qu_hr)
- iwl_trans->cfg = &iwl_ax101_cfg_qu_c0_hr_b0;
- else if (iwl_trans->cfg == &iwl_ax201_cfg_qu_hr)
- iwl_trans->cfg = &iwl_ax201_cfg_qu_c0_hr_b0;
- else if (iwl_trans->cfg == &iwl9461_2ac_cfg_qu_b0_jf_b0)
- iwl_trans->cfg = &iwl9461_2ac_cfg_qu_c0_jf_b0;
- else if (iwl_trans->cfg == &iwl9462_2ac_cfg_qu_b0_jf_b0)
- iwl_trans->cfg = &iwl9462_2ac_cfg_qu_c0_jf_b0;
- else if (iwl_trans->cfg == &iwl9560_2ac_cfg_qu_b0_jf_b0)
- iwl_trans->cfg = &iwl9560_2ac_cfg_qu_c0_jf_b0;
- else if (iwl_trans->cfg == &iwl9560_2ac_160_cfg_qu_b0_jf_b0)
- iwl_trans->cfg = &iwl9560_2ac_160_cfg_qu_c0_jf_b0;
- else if (iwl_trans->cfg == &killer1650s_2ax_cfg_qu_b0_hr_b0)
- iwl_trans->cfg = &killer1650s_2ax_cfg_qu_c0_hr_b0;
- else if (iwl_trans->cfg == &killer1650i_2ax_cfg_qu_b0_hr_b0)
- iwl_trans->cfg = &killer1650i_2ax_cfg_qu_c0_hr_b0;
+ if (cfg == &iwl_ax101_cfg_qu_hr)
+ cfg = &iwl_ax101_cfg_qu_c0_hr_b0;
+ else if (cfg == &iwl_ax201_cfg_qu_hr)
+ cfg = &iwl_ax201_cfg_qu_c0_hr_b0;
+ else if (cfg == &iwl9461_2ac_cfg_qu_b0_jf_b0)
+ cfg = &iwl9461_2ac_cfg_qu_c0_jf_b0;
+ else if (cfg == &iwl9462_2ac_cfg_qu_b0_jf_b0)
+ cfg = &iwl9462_2ac_cfg_qu_c0_jf_b0;
+ else if (cfg == &iwl9560_2ac_cfg_qu_b0_jf_b0)
+ cfg = &iwl9560_2ac_cfg_qu_c0_jf_b0;
+ else if (cfg == &iwl9560_2ac_160_cfg_qu_b0_jf_b0)
+ cfg = &iwl9560_2ac_160_cfg_qu_c0_jf_b0;
}
/* same thing for QuZ... */
@@ -1085,6 +1129,23 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
#endif
+ /* now set the real cfg we decided to use */
+ iwl_trans->cfg = cfg;
+
+ if (iwl_trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_8000 &&
+ iwl_trans_grab_nic_access(iwl_trans, &flags)) {
+ u32 hw_step;
+
+ hw_step = iwl_read_umac_prph_no_grab(iwl_trans, WFPM_CTRL_REG);
+ hw_step |= ENABLE_WFPM;
+ iwl_write_umac_prph_no_grab(iwl_trans, WFPM_CTRL_REG, hw_step);
+ hw_step = iwl_read_prph_no_grab(iwl_trans, CNVI_AUX_MISC_CHIP);
+ hw_step = (hw_step >> HW_STEP_LOCATION_BITS) & 0xF;
+ if (hw_step == 0x3)
+ iwl_trans->hw_rev = (iwl_trans->hw_rev & 0xFFFFFFF3) |
+ (SILICON_C_STEP << 2);
+ iwl_trans_release_nic_access(iwl_trans, &flags);
+ }
pci_set_drvdata(pdev, iwl_trans);
iwl_trans->drv = iwl_drv_start(iwl_trans);
@@ -1097,25 +1158,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* register transport layer debugfs here */
iwl_trans_pcie_dbgfs_register(iwl_trans);
- /* if RTPM is in use, enable it in our device */
- if (iwl_trans->runtime_pm_mode != IWL_PLAT_PM_MODE_DISABLED) {
- /* We explicitly set the device to active here to
- * clear contingent errors.
- */
- pm_runtime_set_active(&pdev->dev);
-
- pm_runtime_set_autosuspend_delay(&pdev->dev,
- iwlwifi_mod_params.d0i3_timeout);
- pm_runtime_use_autosuspend(&pdev->dev);
-
- /* We are not supposed to call pm_runtime_allow() by
- * ourselves, but let userspace enable runtime PM via
- * sysfs. However, since we don't enable this from
- * userspace yet, we need to allow/forbid() ourselves.
- */
- pm_runtime_allow(&pdev->dev);
- }
-
/* The PCI device starts with a reference taken and we are
* supposed to release it here. But to simplify the
* interaction with the opmode, we don't do it now, but let
@@ -1133,15 +1175,6 @@ static void iwl_pci_remove(struct pci_dev *pdev)
{
struct iwl_trans *trans = pci_get_drvdata(pdev);
- /* if RTPM was in use, restore it to the state before probe */
- if (trans->runtime_pm_mode != IWL_PLAT_PM_MODE_DISABLED) {
- /* We should not call forbid here, but we do for now.
- * Check the comment to pm_runtime_allow() in
- * iwl_pci_probe().
- */
- pm_runtime_forbid(trans->dev);
- }
-
iwl_drv_stop(trans->drv);
iwl_trans_pcie_free(trans);
@@ -1199,164 +1232,9 @@ static int iwl_pci_resume(struct device *device)
return 0;
}
-int iwl_pci_fw_enter_d0i3(struct iwl_trans *trans)
-{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- int ret;
-
- if (test_bit(STATUS_FW_ERROR, &trans->status))
- return 0;
-
- set_bit(STATUS_TRANS_GOING_IDLE, &trans->status);
-
- /* config the fw */
- ret = iwl_op_mode_enter_d0i3(trans->op_mode);
- if (ret == 1) {
- IWL_DEBUG_RPM(trans, "aborting d0i3 entrance\n");
- clear_bit(STATUS_TRANS_GOING_IDLE, &trans->status);
- return -EBUSY;
- }
- if (ret)
- goto err;
-
- ret = wait_event_timeout(trans_pcie->d0i3_waitq,
- test_bit(STATUS_TRANS_IDLE, &trans->status),
- msecs_to_jiffies(IWL_TRANS_IDLE_TIMEOUT));
- if (!ret) {
- IWL_ERR(trans, "Timeout entering D0i3\n");
- ret = -ETIMEDOUT;
- goto err;
- }
-
- clear_bit(STATUS_TRANS_GOING_IDLE, &trans->status);
-
- return 0;
-err:
- clear_bit(STATUS_TRANS_GOING_IDLE, &trans->status);
- iwl_trans_fw_error(trans);
- return ret;
-}
-
-int iwl_pci_fw_exit_d0i3(struct iwl_trans *trans)
-{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- int ret;
-
- /* sometimes a D0i3 entry is not followed through */
- if (!test_bit(STATUS_TRANS_IDLE, &trans->status))
- return 0;
-
- /* config the fw */
- ret = iwl_op_mode_exit_d0i3(trans->op_mode);
- if (ret)
- goto err;
-
- /* we clear STATUS_TRANS_IDLE only when D0I3_END command is completed */
-
- ret = wait_event_timeout(trans_pcie->d0i3_waitq,
- !test_bit(STATUS_TRANS_IDLE, &trans->status),
- msecs_to_jiffies(IWL_TRANS_IDLE_TIMEOUT));
- if (!ret) {
- IWL_ERR(trans, "Timeout exiting D0i3\n");
- ret = -ETIMEDOUT;
- goto err;
- }
-
- return 0;
-err:
- clear_bit(STATUS_TRANS_IDLE, &trans->status);
- iwl_trans_fw_error(trans);
- return ret;
-}
-
-#ifdef CONFIG_IWLWIFI_PCIE_RTPM
-static int iwl_pci_runtime_suspend(struct device *device)
-{
- struct pci_dev *pdev = to_pci_dev(device);
- struct iwl_trans *trans = pci_get_drvdata(pdev);
- int ret;
-
- IWL_DEBUG_RPM(trans, "entering runtime suspend\n");
-
- if (test_bit(STATUS_DEVICE_ENABLED, &trans->status)) {
- ret = iwl_pci_fw_enter_d0i3(trans);
- if (ret < 0)
- return ret;
- }
-
- trans->system_pm_mode = IWL_PLAT_PM_MODE_D0I3;
-
- iwl_trans_d3_suspend(trans, false, false);
-
- return 0;
-}
-
-static int iwl_pci_runtime_resume(struct device *device)
-{
- struct pci_dev *pdev = to_pci_dev(device);
- struct iwl_trans *trans = pci_get_drvdata(pdev);
- enum iwl_d3_status d3_status;
-
- IWL_DEBUG_RPM(trans, "exiting runtime suspend (resume)\n");
-
- iwl_trans_d3_resume(trans, &d3_status, false, false);
-
- if (test_bit(STATUS_DEVICE_ENABLED, &trans->status))
- return iwl_pci_fw_exit_d0i3(trans);
-
- return 0;
-}
-
-static int iwl_pci_system_prepare(struct device *device)
-{
- struct pci_dev *pdev = to_pci_dev(device);
- struct iwl_trans *trans = pci_get_drvdata(pdev);
-
- IWL_DEBUG_RPM(trans, "preparing for system suspend\n");
-
- /* This is called before entering system suspend and before
- * the runtime resume is called. Set the suspending flag to
- * prevent the wakelock from being taken.
- */
- trans->suspending = true;
-
- /* Wake the device up from runtime suspend before going to
- * platform suspend. This is needed because we don't know
- * whether wowlan any is set and, if it's not, mac80211 will
- * disconnect (in which case, we can't be in D0i3).
- */
- pm_runtime_resume(device);
-
- return 0;
-}
-
-static void iwl_pci_system_complete(struct device *device)
-{
- struct pci_dev *pdev = to_pci_dev(device);
- struct iwl_trans *trans = pci_get_drvdata(pdev);
-
- IWL_DEBUG_RPM(trans, "completing system suspend\n");
-
- /* This is called as a counterpart to the prepare op. It is
- * called either when suspending fails or when suspend
- * completed successfully. Now there's no risk of grabbing
- * the wakelock anymore, so we can release the suspending
- * flag.
- */
- trans->suspending = false;
-}
-#endif /* CONFIG_IWLWIFI_PCIE_RTPM */
-
static const struct dev_pm_ops iwl_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(iwl_pci_suspend,
iwl_pci_resume)
-#ifdef CONFIG_IWLWIFI_PCIE_RTPM
- SET_RUNTIME_PM_OPS(iwl_pci_runtime_suspend,
- iwl_pci_runtime_resume,
- NULL)
- .prepare = iwl_pci_system_prepare,
- .complete = iwl_pci_system_complete,
-#endif /* CONFIG_IWLWIFI_PCIE_RTPM */
};
#define IWL_PM_OPS (&iwl_dev_pm_ops)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 01:50:08 +0000