| /* Copyright (c) 2018, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include "bus.h" |
| #include "debug.h" |
| #include "pci.h" |
| |
| enum cnss_dev_bus_type cnss_get_dev_bus_type(struct device *dev) |
| { |
| if (!dev) |
| return CNSS_BUS_NONE; |
| |
| if (!dev->bus) |
| return CNSS_BUS_NONE; |
| |
| if (memcmp(dev->bus->name, "pci", 3) == 0) |
| return CNSS_BUS_PCI; |
| else |
| return CNSS_BUS_NONE; |
| } |
| |
| enum cnss_dev_bus_type cnss_get_bus_type(unsigned long device_id) |
| { |
| switch (device_id) { |
| case QCA6174_DEVICE_ID: |
| case QCA6290_EMULATION_DEVICE_ID: |
| case QCA6290_DEVICE_ID: |
| return CNSS_BUS_PCI; |
| default: |
| cnss_pr_err("Unknown device_id: 0x%lx\n", device_id); |
| return CNSS_BUS_NONE; |
| } |
| } |
| |
| void *cnss_bus_dev_to_bus_priv(struct device *dev) |
| { |
| if (!dev) |
| return NULL; |
| |
| switch (cnss_get_dev_bus_type(dev)) { |
| case CNSS_BUS_PCI: |
| return cnss_get_pci_priv(to_pci_dev(dev)); |
| default: |
| return NULL; |
| } |
| } |
| |
| struct cnss_plat_data *cnss_bus_dev_to_plat_priv(struct device *dev) |
| { |
| void *bus_priv; |
| |
| if (!dev) |
| return cnss_get_plat_priv(NULL); |
| |
| bus_priv = cnss_bus_dev_to_bus_priv(dev); |
| if (!bus_priv) |
| return NULL; |
| |
| switch (cnss_get_dev_bus_type(dev)) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_priv_to_plat_priv(bus_priv); |
| default: |
| return NULL; |
| } |
| } |
| |
| int cnss_bus_init(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_init(plat_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| void cnss_bus_deinit(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| cnss_pci_deinit(plat_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return; |
| } |
| } |
| |
| int cnss_bus_load_m3(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_load_m3(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_alloc_fw_mem(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_alloc_fw_mem(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| u32 cnss_bus_get_wake_irq(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_get_wake_msi(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_force_fw_assert_hdlr(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_force_fw_assert_hdlr(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| void cnss_bus_fw_boot_timeout_hdlr(unsigned long data) |
| { |
| struct cnss_plat_data *plat_priv = (struct cnss_plat_data *)data; |
| |
| if (!plat_priv) |
| return; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_fw_boot_timeout_hdlr(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return; |
| } |
| } |
| |
| void cnss_bus_collect_dump_info(struct cnss_plat_data *plat_priv, bool in_panic) |
| { |
| if (!plat_priv) |
| return; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_collect_dump_info(plat_priv->bus_priv, |
| in_panic); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return; |
| } |
| } |
| |
| int cnss_bus_call_driver_probe(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_call_driver_probe(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_call_driver_remove(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_call_driver_remove(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_dev_powerup(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_dev_powerup(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_dev_shutdown(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_dev_shutdown(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_dev_crash_shutdown(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_dev_crash_shutdown(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_dev_ramdump(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_dev_ramdump(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_register_driver_hdlr(struct cnss_plat_data *plat_priv, void *data) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_register_driver_hdlr(plat_priv->bus_priv, data); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_unregister_driver_hdlr(struct cnss_plat_data *plat_priv) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_unregister_driver_hdlr(plat_priv->bus_priv); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_call_driver_modem_status(struct cnss_plat_data *plat_priv, |
| int modem_current_status) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_call_driver_modem_status(plat_priv->bus_priv, |
| modem_current_status); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |
| |
| int cnss_bus_update_status(struct cnss_plat_data *plat_priv, |
| enum cnss_driver_status status) |
| { |
| if (!plat_priv) |
| return -ENODEV; |
| |
| switch (plat_priv->bus_type) { |
| case CNSS_BUS_PCI: |
| return cnss_pci_update_status(plat_priv->bus_priv, status); |
| default: |
| cnss_pr_err("Unsupported bus type: %d\n", |
| plat_priv->bus_type); |
| return -EINVAL; |
| } |
| } |