wait_queue_head_t fw_wait;
bool fw_dl_task_done;
bool fw_dl_success;
+ /* use fallback fw name */
+ bool fw_use_fallback;
};
static const struct reg_default tas2783_reg_default[] = {
goto out;
}
+ /* firmware binary not found*/
if (!fmw || !fmw->data) {
- /* firmware binary not found*/
- dev_err(tas_dev->dev,
- "Failed to read fw binary %s\n",
- tas_dev->rca_binaryname);
+ if (!tas_dev->fw_use_fallback) {
+ tas_dev->fw_use_fallback = true;
+ dev_info(tas_dev->dev,
+ "Failed to read preferred fw binary: %s, attempting fallback binary load\n",
+ tas_dev->rca_binaryname);
+ } else {
+ dev_err(tas_dev->dev,
+ "Failed to read fallback fw binary %s\n",
+ tas_dev->rca_binaryname);
+ }
+
ret = -EINVAL;
goto out;
}
bool pci_found = false;
#if IS_ENABLED(CONFIG_PCI)
struct device *dev = &slave->dev;
+ struct tas2783_prv *tas_dev = dev_get_drvdata(&slave->dev);
struct pci_dev *pci = NULL;
+ const char *fw_uid_prefix = tas_dev->fw_use_fallback ? "" : "0x";
for (; dev; dev = dev->parent) {
if (dev->bus == &pci_bus_type) {
pci = to_pci_dev(dev);
- scnprintf(name, size, "%04X-%1X-%1X.bin",
- pci->subsystem_device, bus->link_id, unique_id);
+ scnprintf(name, size, "%04X-%1X-%s%1X.bin",
+ pci->subsystem_device, bus->link_id,
+ fw_uid_prefix, unique_id);
pci_found = true;
break;
}
bus->link_id, unique_id);
}
-static s32 tas_io_init(struct device *dev, struct sdw_slave *slave)
+static s32 tas_fw_load(struct tas2783_prv *tas_dev, struct sdw_slave *slave)
{
- struct tas2783_prv *tas_dev = dev_get_drvdata(dev);
s32 ret;
u8 unique_id = tas_dev->sdw_peripheral->id.unique_id;
- if (tas_dev->hw_init)
- return 0;
-
- tas_dev->fw_dl_task_done = false;
- tas_dev->fw_dl_success = false;
-
- ret = regmap_write(tas_dev->regmap, TAS2783_SW_RESET, 0x1);
- if (ret) {
- dev_err(dev, "sw reset failed, err=%d", ret);
- return ret;
- }
- usleep_range(2000, 2200);
-
tas_generate_fw_name(slave, tas_dev->rca_binaryname,
sizeof(tas_dev->rca_binaryname));
+ tas_dev->fw_dl_task_done = false;
ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
tas_dev->rca_binaryname, tas_dev->dev,
GFP_KERNEL, tas_dev, tas2783_fw_ready);
msecs_to_jiffies(TIMEOUT_FW_DL_MS));
if (!ret) {
dev_err(tas_dev->dev, "fw request, wait_event timeout\n");
- ret = -EAGAIN;
- } else {
+ return -EAGAIN;
+ }
+
+ return 0;
+}
+
+static s32 tas_io_init(struct device *dev, struct sdw_slave *slave)
+{
+ struct tas2783_prv *tas_dev = dev_get_drvdata(dev);
+ s32 ret;
+
+ if (tas_dev->hw_init)
+ return 0;
+
+ tas_dev->fw_dl_success = false;
+
+ ret = regmap_write(tas_dev->regmap, TAS2783_SW_RESET, 0x1);
+ if (ret) {
+ dev_err(dev, "sw reset failed, err=%d", ret);
+ return ret;
+ }
+ usleep_range(2000, 2200);
+
+ tas_dev->fw_use_fallback = false;
+ ret = tas_fw_load(tas_dev, slave);
+ if (!ret && tas_dev->fw_use_fallback)
+ ret = tas_fw_load(tas_dev, slave);
+
+ if (!ret) {
if (tas_dev->sa_func_data)
ret = sdca_regmap_write_init(dev, tas_dev->regmap,
tas_dev->sa_func_data);