Merge tag 'qcom-drivers-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.4 * Add AOSS QMP support * Various fixups for Qualcomm SCM * Add socinfo driver * Add SoC serial number attribute and associated APIs * Add SM8150 and SC7180 support in Qualcomm SCM * Fixup max processor count in SMEM * tag 'qcom-drivers-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: soc: qcom: aoss: Add AOSS QMP support dt-bindings: soc: qcom: aoss: Add SM8150 and SC7180 support dt-bindings: firmware: scm: Add SM8150 and SC7180 support dt-bindings: firmware: scm: re-order compatible list soc: qcom: smem: Update max processor count soc: qcom: socinfo: Annotate switch cases with fall through soc: qcom: Extend AOSS QMP driver to support resources that are used to wake up the SoC. soc: qcom: socinfo: Expose image information soc: qcom: socinfo: Expose custom attributes soc: qcom: Add socinfo driver base: soc: Export soc_device_register/unregister APIs base: soc: Add serial_number attribute to soc firmware: qcom_scm: Cleanup code in qcom_scm_assign_mem() firmware: qcom_scm: Fix some typos in docs and printks firmware: qcom_scm: Use proper types for dma mappings
This commit is contained in:
Arnd Bergmann
@@ -175,6 +175,14 @@ config QCOM_SMSM
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Say yes here to support the Qualcomm Shared Memory State Machine.
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The state machine is represented by bits in shared memory.
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config QCOM_SOCINFO
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tristate "Qualcomm socinfo driver"
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depends on QCOM_SMEM
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select SOC_BUS
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help
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Say yes here to support the Qualcomm socinfo driver, providing
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information about the SoC to user space.
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config QCOM_WCNSS_CTRL
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tristate "Qualcomm WCNSS control driver"
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depends on ARCH_QCOM || COMPILE_TEST
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@@ -18,6 +18,7 @@ obj-$(CONFIG_QCOM_SMEM) += smem.o
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obj-$(CONFIG_QCOM_SMEM_STATE) += smem_state.o
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obj-$(CONFIG_QCOM_SMP2P) += smp2p.o
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obj-$(CONFIG_QCOM_SMSM) += smsm.o
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obj-$(CONFIG_QCOM_SOCINFO) += socinfo.o
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obj-$(CONFIG_QCOM_WCNSS_CTRL) += wcnss_ctrl.o
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obj-$(CONFIG_QCOM_APR) += apr.o
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obj-$(CONFIG_QCOM_LLCC) += llcc-slice.o
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@@ -10,6 +10,8 @@
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/pm_domain.h>
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#include <linux/thermal.h>
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#include <linux/slab.h>
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#define QMP_DESC_MAGIC 0x0
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#define QMP_DESC_VERSION 0x4
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@@ -40,6 +42,17 @@
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/* 64 bytes is enough to store the requests and provides padding to 4 bytes */
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#define QMP_MSG_LEN 64
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#define QMP_NUM_COOLING_RESOURCES 2
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static bool qmp_cdev_init_state = 1;
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struct qmp_cooling_device {
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struct thermal_cooling_device *cdev;
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struct qmp *qmp;
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char *name;
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bool state;
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};
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/**
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* struct qmp - driver state for QMP implementation
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* @msgram: iomem referencing the message RAM used for communication
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@@ -69,6 +82,7 @@ struct qmp {
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struct clk_hw qdss_clk;
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struct genpd_onecell_data pd_data;
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struct qmp_cooling_device *cooling_devs;
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};
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struct qmp_pd {
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@@ -385,6 +399,118 @@ static void qmp_pd_remove(struct qmp *qmp)
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pm_genpd_remove(data->domains[i]);
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}
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static int qmp_cdev_get_max_state(struct thermal_cooling_device *cdev,
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unsigned long *state)
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{
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*state = qmp_cdev_init_state;
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return 0;
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}
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static int qmp_cdev_get_cur_state(struct thermal_cooling_device *cdev,
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unsigned long *state)
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{
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struct qmp_cooling_device *qmp_cdev = cdev->devdata;
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*state = qmp_cdev->state;
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return 0;
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}
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static int qmp_cdev_set_cur_state(struct thermal_cooling_device *cdev,
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unsigned long state)
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{
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struct qmp_cooling_device *qmp_cdev = cdev->devdata;
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char buf[QMP_MSG_LEN] = {};
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bool cdev_state;
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int ret;
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/* Normalize state */
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cdev_state = !!state;
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if (qmp_cdev->state == state)
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return 0;
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snprintf(buf, sizeof(buf),
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"{class: volt_flr, event:zero_temp, res:%s, value:%s}",
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qmp_cdev->name,
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cdev_state ? "off" : "on");
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ret = qmp_send(qmp_cdev->qmp, buf, sizeof(buf));
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if (!ret)
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qmp_cdev->state = cdev_state;
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return ret;
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}
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static struct thermal_cooling_device_ops qmp_cooling_device_ops = {
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.get_max_state = qmp_cdev_get_max_state,
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.get_cur_state = qmp_cdev_get_cur_state,
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.set_cur_state = qmp_cdev_set_cur_state,
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};
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static int qmp_cooling_device_add(struct qmp *qmp,
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struct qmp_cooling_device *qmp_cdev,
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struct device_node *node)
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{
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char *cdev_name = (char *)node->name;
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qmp_cdev->qmp = qmp;
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qmp_cdev->state = qmp_cdev_init_state;
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qmp_cdev->name = cdev_name;
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qmp_cdev->cdev = devm_thermal_of_cooling_device_register
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(qmp->dev, node,
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cdev_name,
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qmp_cdev, &qmp_cooling_device_ops);
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if (IS_ERR(qmp_cdev->cdev))
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dev_err(qmp->dev, "unable to register %s cooling device\n",
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cdev_name);
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return PTR_ERR_OR_ZERO(qmp_cdev->cdev);
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}
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static int qmp_cooling_devices_register(struct qmp *qmp)
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{
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struct device_node *np, *child;
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int count = QMP_NUM_COOLING_RESOURCES;
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int ret;
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np = qmp->dev->of_node;
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qmp->cooling_devs = devm_kcalloc(qmp->dev, count,
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sizeof(*qmp->cooling_devs),
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GFP_KERNEL);
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if (!qmp->cooling_devs)
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return -ENOMEM;
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for_each_available_child_of_node(np, child) {
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if (!of_find_property(child, "#cooling-cells", NULL))
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continue;
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ret = qmp_cooling_device_add(qmp, &qmp->cooling_devs[count++],
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child);
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if (ret)
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goto unroll;
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}
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return 0;
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unroll:
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while (--count >= 0)
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thermal_cooling_device_unregister
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(qmp->cooling_devs[count].cdev);
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return ret;
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}
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static void qmp_cooling_devices_remove(struct qmp *qmp)
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{
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int i;
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for (i = 0; i < QMP_NUM_COOLING_RESOURCES; i++)
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thermal_cooling_device_unregister(qmp->cooling_devs[i].cdev);
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}
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static int qmp_probe(struct platform_device *pdev)
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{
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struct resource *res;
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@@ -433,6 +559,10 @@ static int qmp_probe(struct platform_device *pdev)
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if (ret)
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goto err_remove_qdss_clk;
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ret = qmp_cooling_devices_register(qmp);
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if (ret)
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dev_err(&pdev->dev, "failed to register aoss cooling devices\n");
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platform_set_drvdata(pdev, qmp);
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return 0;
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@@ -453,6 +583,7 @@ static int qmp_remove(struct platform_device *pdev)
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qmp_qdss_clk_remove(qmp);
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qmp_pd_remove(qmp);
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qmp_cooling_devices_remove(qmp);
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qmp_close(qmp);
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mbox_free_channel(qmp->mbox_chan);
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@@ -461,7 +592,9 @@ static int qmp_remove(struct platform_device *pdev)
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}
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static const struct of_device_id qmp_dt_match[] = {
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{ .compatible = "qcom,sc7180-aoss-qmp", },
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{ .compatible = "qcom,sdm845-aoss-qmp", },
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{ .compatible = "qcom,sm8150-aoss-qmp", },
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{}
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};
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MODULE_DEVICE_TABLE(of, qmp_dt_match);
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@@ -84,7 +84,7 @@
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#define SMEM_GLOBAL_HOST 0xfffe
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/* Max number of processors/hosts in a system */
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#define SMEM_HOST_COUNT 10
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#define SMEM_HOST_COUNT 11
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/**
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* struct smem_proc_comm - proc_comm communication struct (legacy)
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@@ -268,6 +268,7 @@ struct qcom_smem {
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struct smem_partition_header *partitions[SMEM_HOST_COUNT];
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size_t cacheline[SMEM_HOST_COUNT];
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u32 item_count;
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struct platform_device *socinfo;
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unsigned num_regions;
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struct smem_region regions[];
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@@ -963,11 +964,19 @@ static int qcom_smem_probe(struct platform_device *pdev)
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__smem = smem;
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smem->socinfo = platform_device_register_data(&pdev->dev, "qcom-socinfo",
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PLATFORM_DEVID_NONE, NULL,
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0);
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if (IS_ERR(smem->socinfo))
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dev_dbg(&pdev->dev, "failed to register socinfo device\n");
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return 0;
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}
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static int qcom_smem_remove(struct platform_device *pdev)
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{
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platform_device_unregister(__smem->socinfo);
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hwspin_lock_free(__smem->hwlock);
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__smem = NULL;
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476
drivers/soc/qcom/socinfo.c
Normal file
476
drivers/soc/qcom/socinfo.c
Normal file
@@ -0,0 +1,476 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2009-2017, The Linux Foundation. All rights reserved.
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* Copyright (c) 2017-2019, Linaro Ltd.
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*/
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#include <linux/debugfs.h>
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#include <linux/err.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/random.h>
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#include <linux/slab.h>
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#include <linux/soc/qcom/smem.h>
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#include <linux/string.h>
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#include <linux/sys_soc.h>
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#include <linux/types.h>
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/*
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* SoC version type with major number in the upper 16 bits and minor
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* number in the lower 16 bits.
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*/
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#define SOCINFO_MAJOR(ver) (((ver) >> 16) & 0xffff)
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#define SOCINFO_MINOR(ver) ((ver) & 0xffff)
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#define SOCINFO_VERSION(maj, min) ((((maj) & 0xffff) << 16)|((min) & 0xffff))
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#define SMEM_SOCINFO_BUILD_ID_LENGTH 32
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/*
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* SMEM item id, used to acquire handles to respective
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* SMEM region.
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*/
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#define SMEM_HW_SW_BUILD_ID 137
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#ifdef CONFIG_DEBUG_FS
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#define SMEM_IMAGE_VERSION_BLOCKS_COUNT 32
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#define SMEM_IMAGE_VERSION_SIZE 4096
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#define SMEM_IMAGE_VERSION_NAME_SIZE 75
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#define SMEM_IMAGE_VERSION_VARIANT_SIZE 20
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#define SMEM_IMAGE_VERSION_OEM_SIZE 32
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/*
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* SMEM Image table indices
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*/
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#define SMEM_IMAGE_TABLE_BOOT_INDEX 0
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#define SMEM_IMAGE_TABLE_TZ_INDEX 1
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#define SMEM_IMAGE_TABLE_RPM_INDEX 3
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#define SMEM_IMAGE_TABLE_APPS_INDEX 10
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#define SMEM_IMAGE_TABLE_MPSS_INDEX 11
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#define SMEM_IMAGE_TABLE_ADSP_INDEX 12
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#define SMEM_IMAGE_TABLE_CNSS_INDEX 13
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#define SMEM_IMAGE_TABLE_VIDEO_INDEX 14
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#define SMEM_IMAGE_VERSION_TABLE 469
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/*
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* SMEM Image table names
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*/
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static const char *const socinfo_image_names[] = {
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[SMEM_IMAGE_TABLE_ADSP_INDEX] = "adsp",
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[SMEM_IMAGE_TABLE_APPS_INDEX] = "apps",
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[SMEM_IMAGE_TABLE_BOOT_INDEX] = "boot",
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[SMEM_IMAGE_TABLE_CNSS_INDEX] = "cnss",
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[SMEM_IMAGE_TABLE_MPSS_INDEX] = "mpss",
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[SMEM_IMAGE_TABLE_RPM_INDEX] = "rpm",
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[SMEM_IMAGE_TABLE_TZ_INDEX] = "tz",
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[SMEM_IMAGE_TABLE_VIDEO_INDEX] = "video",
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};
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static const char *const pmic_models[] = {
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[0] = "Unknown PMIC model",
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[9] = "PM8994",
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[11] = "PM8916",
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[13] = "PM8058",
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[14] = "PM8028",
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[15] = "PM8901",
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[16] = "PM8027",
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[17] = "ISL9519",
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[18] = "PM8921",
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[19] = "PM8018",
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[20] = "PM8015",
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[21] = "PM8014",
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[22] = "PM8821",
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[23] = "PM8038",
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[24] = "PM8922",
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[25] = "PM8917",
|
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};
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#endif /* CONFIG_DEBUG_FS */
|
||||
|
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/* Socinfo SMEM item structure */
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struct socinfo {
|
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__le32 fmt;
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__le32 id;
|
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__le32 ver;
|
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char build_id[SMEM_SOCINFO_BUILD_ID_LENGTH];
|
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/* Version 2 */
|
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__le32 raw_id;
|
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__le32 raw_ver;
|
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/* Version 3 */
|
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__le32 hw_plat;
|
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/* Version 4 */
|
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__le32 plat_ver;
|
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/* Version 5 */
|
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__le32 accessory_chip;
|
||||
/* Version 6 */
|
||||
__le32 hw_plat_subtype;
|
||||
/* Version 7 */
|
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__le32 pmic_model;
|
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__le32 pmic_die_rev;
|
||||
/* Version 8 */
|
||||
__le32 pmic_model_1;
|
||||
__le32 pmic_die_rev_1;
|
||||
__le32 pmic_model_2;
|
||||
__le32 pmic_die_rev_2;
|
||||
/* Version 9 */
|
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__le32 foundry_id;
|
||||
/* Version 10 */
|
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__le32 serial_num;
|
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/* Version 11 */
|
||||
__le32 num_pmics;
|
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__le32 pmic_array_offset;
|
||||
/* Version 12 */
|
||||
__le32 chip_family;
|
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__le32 raw_device_family;
|
||||
__le32 raw_device_num;
|
||||
};
|
||||
|
||||
#ifdef CONFIG_DEBUG_FS
|
||||
struct socinfo_params {
|
||||
u32 raw_device_family;
|
||||
u32 hw_plat_subtype;
|
||||
u32 accessory_chip;
|
||||
u32 raw_device_num;
|
||||
u32 chip_family;
|
||||
u32 foundry_id;
|
||||
u32 plat_ver;
|
||||
u32 raw_ver;
|
||||
u32 hw_plat;
|
||||
u32 fmt;
|
||||
};
|
||||
|
||||
struct smem_image_version {
|
||||
char name[SMEM_IMAGE_VERSION_NAME_SIZE];
|
||||
char variant[SMEM_IMAGE_VERSION_VARIANT_SIZE];
|
||||
char pad;
|
||||
char oem[SMEM_IMAGE_VERSION_OEM_SIZE];
|
||||
};
|
||||
#endif /* CONFIG_DEBUG_FS */
|
||||
|
||||
struct qcom_socinfo {
|
||||
struct soc_device *soc_dev;
|
||||
struct soc_device_attribute attr;
|
||||
#ifdef CONFIG_DEBUG_FS
|
||||
struct dentry *dbg_root;
|
||||
struct socinfo_params info;
|
||||
#endif /* CONFIG_DEBUG_FS */
|
||||
};
|
||||
|
||||
struct soc_id {
|
||||
unsigned int id;
|
||||
const char *name;
|
||||
};
|
||||
|
||||
static const struct soc_id soc_id[] = {
|
||||
{ 87, "MSM8960" },
|
||||
{ 109, "APQ8064" },
|
||||
{ 122, "MSM8660A" },
|
||||
{ 123, "MSM8260A" },
|
||||
{ 124, "APQ8060A" },
|
||||
{ 126, "MSM8974" },
|
||||
{ 130, "MPQ8064" },
|
||||
{ 138, "MSM8960AB" },
|
||||
{ 139, "APQ8060AB" },
|
||||
{ 140, "MSM8260AB" },
|
||||
{ 141, "MSM8660AB" },
|
||||
{ 178, "APQ8084" },
|
||||
{ 184, "APQ8074" },
|
||||
{ 185, "MSM8274" },
|
||||
{ 186, "MSM8674" },
|
||||
{ 194, "MSM8974PRO" },
|
||||
{ 206, "MSM8916" },
|
||||
{ 208, "APQ8074-AA" },
|
||||
{ 209, "APQ8074-AB" },
|
||||
{ 210, "APQ8074PRO" },
|
||||
{ 211, "MSM8274-AA" },
|
||||
{ 212, "MSM8274-AB" },
|
||||
{ 213, "MSM8274PRO" },
|
||||
{ 214, "MSM8674-AA" },
|
||||
{ 215, "MSM8674-AB" },
|
||||
{ 216, "MSM8674PRO" },
|
||||
{ 217, "MSM8974-AA" },
|
||||
{ 218, "MSM8974-AB" },
|
||||
{ 246, "MSM8996" },
|
||||
{ 247, "APQ8016" },
|
||||
{ 248, "MSM8216" },
|
||||
{ 249, "MSM8116" },
|
||||
{ 250, "MSM8616" },
|
||||
{ 291, "APQ8096" },
|
||||
{ 305, "MSM8996SG" },
|
||||
{ 310, "MSM8996AU" },
|
||||
{ 311, "APQ8096AU" },
|
||||
{ 312, "APQ8096SG" },
|
||||
};
|
||||
|
||||
static const char *socinfo_machine(struct device *dev, unsigned int id)
|
||||
{
|
||||
int idx;
|
||||
|
||||
for (idx = 0; idx < ARRAY_SIZE(soc_id); idx++) {
|
||||
if (soc_id[idx].id == id)
|
||||
return soc_id[idx].name;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_DEBUG_FS
|
||||
|
||||
#define QCOM_OPEN(name, _func) \
|
||||
static int qcom_open_##name(struct inode *inode, struct file *file) \
|
||||
{ \
|
||||
return single_open(file, _func, inode->i_private); \
|
||||
} \
|
||||
\
|
||||
static const struct file_operations qcom_ ##name## _ops = { \
|
||||
.open = qcom_open_##name, \
|
||||
.read = seq_read, \
|
||||
.llseek = seq_lseek, \
|
||||
.release = single_release, \
|
||||
}
|
||||
|
||||
#define DEBUGFS_ADD(info, name) \
|
||||
debugfs_create_file(__stringify(name), 0400, \
|
||||
qcom_socinfo->dbg_root, \
|
||||
info, &qcom_ ##name## _ops)
|
||||
|
||||
|
||||
static int qcom_show_build_id(struct seq_file *seq, void *p)
|
||||
{
|
||||
struct socinfo *socinfo = seq->private;
|
||||
|
||||
seq_printf(seq, "%s\n", socinfo->build_id);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_show_pmic_model(struct seq_file *seq, void *p)
|
||||
{
|
||||
struct socinfo *socinfo = seq->private;
|
||||
int model = SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_model));
|
||||
|
||||
if (model < 0)
|
||||
return -EINVAL;
|
||||
|
||||
seq_printf(seq, "%s\n", pmic_models[model]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_show_pmic_die_revision(struct seq_file *seq, void *p)
|
||||
{
|
||||
struct socinfo *socinfo = seq->private;
|
||||
|
||||
seq_printf(seq, "%u.%u\n",
|
||||
SOCINFO_MAJOR(le32_to_cpu(socinfo->pmic_die_rev)),
|
||||
SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_die_rev)));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
QCOM_OPEN(build_id, qcom_show_build_id);
|
||||
QCOM_OPEN(pmic_model, qcom_show_pmic_model);
|
||||
QCOM_OPEN(pmic_die_rev, qcom_show_pmic_die_revision);
|
||||
|
||||
#define DEFINE_IMAGE_OPS(type) \
|
||||
static int show_image_##type(struct seq_file *seq, void *p) \
|
||||
{ \
|
||||
struct smem_image_version *image_version = seq->private; \
|
||||
seq_puts(seq, image_version->type); \
|
||||
seq_puts(seq, "\n"); \
|
||||
return 0; \
|
||||
} \
|
||||
static int open_image_##type(struct inode *inode, struct file *file) \
|
||||
{ \
|
||||
return single_open(file, show_image_##type, inode->i_private); \
|
||||
} \
|
||||
\
|
||||
static const struct file_operations qcom_image_##type##_ops = { \
|
||||
.open = open_image_##type, \
|
||||
.read = seq_read, \
|
||||
.llseek = seq_lseek, \
|
||||
.release = single_release, \
|
||||
}
|
||||
|
||||
DEFINE_IMAGE_OPS(name);
|
||||
DEFINE_IMAGE_OPS(variant);
|
||||
DEFINE_IMAGE_OPS(oem);
|
||||
|
||||
static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
|
||||
struct socinfo *info)
|
||||
{
|
||||
struct smem_image_version *versions;
|
||||
struct dentry *dentry;
|
||||
size_t size;
|
||||
int i;
|
||||
|
||||
qcom_socinfo->dbg_root = debugfs_create_dir("qcom_socinfo", NULL);
|
||||
|
||||
qcom_socinfo->info.fmt = __le32_to_cpu(info->fmt);
|
||||
|
||||
switch (qcom_socinfo->info.fmt) {
|
||||
case SOCINFO_VERSION(0, 12):
|
||||
qcom_socinfo->info.chip_family =
|
||||
__le32_to_cpu(info->chip_family);
|
||||
qcom_socinfo->info.raw_device_family =
|
||||
__le32_to_cpu(info->raw_device_family);
|
||||
qcom_socinfo->info.raw_device_num =
|
||||
__le32_to_cpu(info->raw_device_num);
|
||||
|
||||
debugfs_create_x32("chip_family", 0400, qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.chip_family);
|
||||
debugfs_create_x32("raw_device_family", 0400,
|
||||
qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.raw_device_family);
|
||||
debugfs_create_x32("raw_device_number", 0400,
|
||||
qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.raw_device_num);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 11):
|
||||
case SOCINFO_VERSION(0, 10):
|
||||
case SOCINFO_VERSION(0, 9):
|
||||
qcom_socinfo->info.foundry_id = __le32_to_cpu(info->foundry_id);
|
||||
|
||||
debugfs_create_u32("foundry_id", 0400, qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.foundry_id);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 8):
|
||||
case SOCINFO_VERSION(0, 7):
|
||||
DEBUGFS_ADD(info, pmic_model);
|
||||
DEBUGFS_ADD(info, pmic_die_rev);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 6):
|
||||
qcom_socinfo->info.hw_plat_subtype =
|
||||
__le32_to_cpu(info->hw_plat_subtype);
|
||||
|
||||
debugfs_create_u32("hardware_platform_subtype", 0400,
|
||||
qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.hw_plat_subtype);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 5):
|
||||
qcom_socinfo->info.accessory_chip =
|
||||
__le32_to_cpu(info->accessory_chip);
|
||||
|
||||
debugfs_create_u32("accessory_chip", 0400,
|
||||
qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.accessory_chip);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 4):
|
||||
qcom_socinfo->info.plat_ver = __le32_to_cpu(info->plat_ver);
|
||||
|
||||
debugfs_create_u32("platform_version", 0400,
|
||||
qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.plat_ver);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 3):
|
||||
qcom_socinfo->info.hw_plat = __le32_to_cpu(info->hw_plat);
|
||||
|
||||
debugfs_create_u32("hardware_platform", 0400,
|
||||
qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.hw_plat);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 2):
|
||||
qcom_socinfo->info.raw_ver = __le32_to_cpu(info->raw_ver);
|
||||
|
||||
debugfs_create_u32("raw_version", 0400, qcom_socinfo->dbg_root,
|
||||
&qcom_socinfo->info.raw_ver);
|
||||
/* Fall through */
|
||||
case SOCINFO_VERSION(0, 1):
|
||||
DEBUGFS_ADD(info, build_id);
|
||||
break;
|
||||
}
|
||||
|
||||
versions = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_IMAGE_VERSION_TABLE,
|
||||
&size);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(socinfo_image_names); i++) {
|
||||
if (!socinfo_image_names[i])
|
||||
continue;
|
||||
|
||||
dentry = debugfs_create_dir(socinfo_image_names[i],
|
||||
qcom_socinfo->dbg_root);
|
||||
debugfs_create_file("name", 0400, dentry, &versions[i],
|
||||
&qcom_image_name_ops);
|
||||
debugfs_create_file("variant", 0400, dentry, &versions[i],
|
||||
&qcom_image_variant_ops);
|
||||
debugfs_create_file("oem", 0400, dentry, &versions[i],
|
||||
&qcom_image_oem_ops);
|
||||
}
|
||||
}
|
||||
|
||||
static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo)
|
||||
{
|
||||
debugfs_remove_recursive(qcom_socinfo->dbg_root);
|
||||
}
|
||||
#else
|
||||
static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
|
||||
struct socinfo *info)
|
||||
{
|
||||
}
|
||||
static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) { }
|
||||
#endif /* CONFIG_DEBUG_FS */
|
||||
|
||||
static int qcom_socinfo_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct qcom_socinfo *qs;
|
||||
struct socinfo *info;
|
||||
size_t item_size;
|
||||
|
||||
info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID,
|
||||
&item_size);
|
||||
if (IS_ERR(info)) {
|
||||
dev_err(&pdev->dev, "Couldn't find socinfo\n");
|
||||
return PTR_ERR(info);
|
||||
}
|
||||
|
||||
qs = devm_kzalloc(&pdev->dev, sizeof(*qs), GFP_KERNEL);
|
||||
if (!qs)
|
||||
return -ENOMEM;
|
||||
|
||||
qs->attr.family = "Snapdragon";
|
||||
qs->attr.machine = socinfo_machine(&pdev->dev,
|
||||
le32_to_cpu(info->id));
|
||||
qs->attr.revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u.%u",
|
||||
SOCINFO_MAJOR(le32_to_cpu(info->ver)),
|
||||
SOCINFO_MINOR(le32_to_cpu(info->ver)));
|
||||
if (offsetof(struct socinfo, serial_num) <= item_size)
|
||||
qs->attr.serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL,
|
||||
"%u",
|
||||
le32_to_cpu(info->serial_num));
|
||||
|
||||
qs->soc_dev = soc_device_register(&qs->attr);
|
||||
if (IS_ERR(qs->soc_dev))
|
||||
return PTR_ERR(qs->soc_dev);
|
||||
|
||||
socinfo_debugfs_init(qs, info);
|
||||
|
||||
/* Feed the soc specific unique data into entropy pool */
|
||||
add_device_randomness(info, item_size);
|
||||
|
||||
platform_set_drvdata(pdev, qs->soc_dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_socinfo_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct qcom_socinfo *qs = platform_get_drvdata(pdev);
|
||||
|
||||
soc_device_unregister(qs->soc_dev);
|
||||
|
||||
socinfo_debugfs_exit(qs);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver qcom_socinfo_driver = {
|
||||
.probe = qcom_socinfo_probe,
|
||||
.remove = qcom_socinfo_remove,
|
||||
.driver = {
|
||||
.name = "qcom-socinfo",
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(qcom_socinfo_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Qualcomm SoCinfo driver");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_ALIAS("platform:qcom-socinfo");
|
||||
Reference in New Issue
Block a user