Merge "mhi: controller: qcom: add support for sdxprairie device" (7f3ac226) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/bus/mhi/controllers/mhi_qcom.c

+60 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ struct firmware_info {
		};

		static const struct firmware_info firmware_table[] = {
		{.dev_id = 0x306, .fw_image = "sbl1.mbn"},
		{.dev_id = 0x305, .fw_image = "sdx50m/sbl1.mbn"},
		{.dev_id = 0x304, .fw_image = "sbl.mbn", .edl_image = "edl.mbn"},
		/* default, set to debug.mbn */
		@@ -343,6 +344,62 @@ DEFINE_SIMPLE_ATTRIBUTE(debugfs_trigger_m0_fops, NULL,
		DEFINE_SIMPLE_ATTRIBUTE(debugfs_trigger_m3_fops, NULL,
		mhi_debugfs_trigger_m3, "%llu\n");

		static ssize_t timeout_ms_show(struct device *dev,
		struct device_attribute *attr,
		char *buf)
		{
		struct mhi_device *mhi_dev = to_mhi_device(dev);
		struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;

		/* buffer provided by sysfs has a minimum size of PAGE_SIZE */
		return snprintf(buf, PAGE_SIZE, "%u\n", mhi_cntrl->timeout_ms);
		}

		static ssize_t timeout_ms_store(struct device *dev,
		struct device_attribute *attr,
		const char *buf,
		size_t count)
		{
		struct mhi_device *mhi_dev = to_mhi_device(dev);
		struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;
		u32 timeout_ms;

		if (kstrtou32(buf, 0, &timeout_ms) < 0)
		return -EINVAL;

		mhi_cntrl->timeout_ms = timeout_ms;

		return count;
		}
		static DEVICE_ATTR_RW(timeout_ms);

		static ssize_t power_up_store(struct device *dev,
		struct device_attribute *attr,
		const char *buf,
		size_t count)
		{
		int ret;
		struct mhi_device *mhi_dev = to_mhi_device(dev);
		struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;

		ret = mhi_async_power_up(mhi_cntrl);
		if (ret)
		return ret;

		return count;
		}
		static DEVICE_ATTR_WO(power_up);

		static struct attribute *mhi_qcom_attrs[] = {
		&dev_attr_timeout_ms.attr,
		&dev_attr_power_up.attr,
		NULL
		};

		static const struct attribute_group mhi_qcom_group = {
		.attrs = mhi_qcom_attrs,
		};

		static struct mhi_controller mhi_register_controller(struct pci_dev pci_dev)
		{
		struct mhi_controller *mhi_cntrl;
		@@ -432,6 +489,8 @@ static struct mhi_controller mhi_register_controller(struct pci_dev pci_dev)
		mhi_cntrl->fw_image = firmware_info->fw_image;
		mhi_cntrl->edl_image = firmware_info->edl_image;

		sysfs_create_group(&mhi_cntrl->mhi_dev->dev.kobj, &mhi_qcom_group);

		return mhi_cntrl;

		error_register:
		@@ -521,6 +580,7 @@ static struct pci_device_id mhi_pcie_device_id[] = {
		{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0303)},
		{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0304)},
		{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0305)},
		{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0306)},
		{PCI_DEVICE(MHI_PCIE_VENDOR_ID, MHI_PCIE_DEBUG_ID)},
		{0},
		};