diff options
| -rw-r--r-- | drivers/remoteproc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/remoteproc/qcom_adsp_pil.c | 3 | ||||
| -rw-r--r-- | drivers/remoteproc/qcom_common.c | 49 | ||||
| -rw-r--r-- | drivers/remoteproc/qcom_common.h | 11 |
4 files changed, 64 insertions, 0 deletions
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index 8891a8e50f12..beb5f3a25288 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -83,6 +83,7 @@ config QCOM_ADSP_PIL depends on OF && ARCH_QCOM depends on QCOM_SMEM depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) + depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_RPROC_COMMON diff --git a/drivers/remoteproc/qcom_adsp_pil.c b/drivers/remoteproc/qcom_adsp_pil.c index 49fe2f807e1d..42884ace324c 100644 --- a/drivers/remoteproc/qcom_adsp_pil.c +++ b/drivers/remoteproc/qcom_adsp_pil.c @@ -71,6 +71,7 @@ struct qcom_adsp { void *mem_region; size_t mem_size; + struct qcom_rproc_glink glink_subdev; struct qcom_rproc_subdev smd_subdev; }; @@ -401,6 +402,7 @@ static int adsp_probe(struct platform_device *pdev) goto free_rproc; } + qcom_add_glink_subdev(rproc, &adsp->glink_subdev); qcom_add_smd_subdev(rproc, &adsp->smd_subdev); ret = rproc_add(rproc); @@ -422,6 +424,7 @@ static int adsp_remove(struct platform_device *pdev) qcom_smem_state_put(adsp->state); rproc_del(adsp->rproc); + qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev); qcom_remove_smd_subdev(adsp->rproc, &adsp->smd_subdev); rproc_free(adsp->rproc); diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c index bb90481215c6..46274c60c3ea 100644 --- a/drivers/remoteproc/qcom_common.c +++ b/drivers/remoteproc/qcom_common.c @@ -19,11 +19,13 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/remoteproc.h> +#include <linux/rpmsg/qcom_glink.h> #include <linux/rpmsg/qcom_smd.h> #include "remoteproc_internal.h" #include "qcom_common.h" +#define to_glink_subdev(d) container_of(d, struct qcom_rproc_glink, subdev) #define to_smd_subdev(d) container_of(d, struct qcom_rproc_subdev, subdev) /** @@ -45,6 +47,53 @@ struct resource_table *qcom_mdt_find_rsc_table(struct rproc *rproc, } EXPORT_SYMBOL_GPL(qcom_mdt_find_rsc_table); +static int glink_subdev_probe(struct rproc_subdev *subdev) +{ + struct qcom_rproc_glink *glink = to_glink_subdev(subdev); + + glink->edge = qcom_glink_smem_register(glink->dev, glink->node); + + return IS_ERR(glink->edge) ? PTR_ERR(glink->edge) : 0; +} + +static void glink_subdev_remove(struct rproc_subdev *subdev) +{ + struct qcom_rproc_glink *glink = to_glink_subdev(subdev); + + qcom_glink_smem_unregister(glink->edge); + glink->edge = NULL; +} + +/** + * qcom_add_glink_subdev() - try to add a GLINK subdevice to rproc + * @rproc: rproc handle to parent the subdevice + * @glink: reference to a GLINK subdev context + */ +void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink) +{ + struct device *dev = &rproc->dev; + + glink->node = of_get_child_by_name(dev->parent->of_node, "glink-edge"); + if (!glink->node) + return; + + glink->dev = dev; + rproc_add_subdev(rproc, &glink->subdev, glink_subdev_probe, glink_subdev_remove); +} +EXPORT_SYMBOL_GPL(qcom_add_glink_subdev); + +/** + * qcom_remove_glink_subdev() - remove a GLINK subdevice from rproc + * @rproc: rproc handle + * @glink: reference to a GLINK subdev context + */ +void qcom_remove_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink) +{ + rproc_remove_subdev(rproc, &glink->subdev); + of_node_put(glink->node); +} +EXPORT_SYMBOL_GPL(qcom_remove_glink_subdev); + static int smd_subdev_probe(struct rproc_subdev *subdev) { struct qcom_rproc_subdev *smd = to_smd_subdev(subdev); diff --git a/drivers/remoteproc/qcom_common.h b/drivers/remoteproc/qcom_common.h index db5c826d5cd4..b6f6573ff34a 100644 --- a/drivers/remoteproc/qcom_common.h +++ b/drivers/remoteproc/qcom_common.h @@ -4,6 +4,14 @@ #include <linux/remoteproc.h> #include "remoteproc_internal.h" +struct qcom_rproc_glink { + struct rproc_subdev subdev; + + struct device *dev; + struct device_node *node; + struct qcom_glink *edge; +}; + struct qcom_rproc_subdev { struct rproc_subdev subdev; @@ -16,6 +24,9 @@ struct resource_table *qcom_mdt_find_rsc_table(struct rproc *rproc, const struct firmware *fw, int *tablesz); +void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink); +void qcom_remove_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink); + void qcom_add_smd_subdev(struct rproc *rproc, struct qcom_rproc_subdev *smd); void qcom_remove_smd_subdev(struct rproc *rproc, struct qcom_rproc_subdev *smd); |