Merge tag 'rproc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:

 - Support for PRU clients to acquire a control reference to the PRU
   instances is introduced, and the PRU now allows specifying
   firmware-name in Devicetree. sysfs is requested to be read-only when
   the remoteproc instance is consumed by another kernel driver

 - Support for the C7xv DSP on AM62A SoC is introduced

 - The Devicetree binding for the Qualcomm PAS devices are split up in
   multiple files, to better account for the differences in resources
   between them. A number of missing Devicetree bindings are added, and
   the Qualcomm WCNSS binding is converted to YAML

 - A few cleanups are introduced for the Mediatek SCP driver. And a
   sanity check of the firmware image is introduced in the Mediatek
   driver

 - For Qualcomm SC7280 ADSP support is added, MSM8953 gains ADSP and
   modem support, SM6115 and SM8550 gains ADSP, CDSP and modem support,
   and support for pronto v3 support (used on e.g. MSM8953) is added

 - The Qualcomm modem remoteproc driver is modified to use a no-map
   reserved-memory region for it's authentication metadata, in order to
   avoid fatal security violations caused by accesses from Linux during
   the authentication process

 - Support for separate loading of a Devicetree blob is added to the PAS
   driver, and support for the PAS driver to carve out DSM memory for
   the modem is added as well

 - The Qualcomm ADSP remoteproc driver gains support for mapping memory
   into specific range using the IOMMU. The sysmon driver is
   transitioned to strlcpy()

* tag 'rproc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (69 commits)
  dt-bindings: mailbox: qcom,apcs-kpss-global: drop mbox-names from example
  dt-bindings: remoteproc: qcom,glink-edge: correct label description
  dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema
  dt-bindings: remoteproc: qcom,sm8550-pas: correct power domains
  remoteproc: qcom_q6v5_pas: enable sm8550 adsp & cdsp autoboot
  dt-bindings: remoteproc: qcom: Add sm6115 pas yaml file
  remoteproc: qcom: pas: Add sm6115 remoteprocs
  remoteproc: qcom: pas: Adjust the phys addr wrt the mem region
  remoteproc: qcom: fix sparse warnings
  remoteproc: qcom: replace kstrdup with kstrndup
  remoteproc: mediatek: Check the SCP image format
  remoteproc: qcom_q6v5_mss: Use a carveout to authenticate modem headers
  Revert "remoteproc: qcom_q6v5_mss: map/unmap metadata region before/after use"
  dt-bindings: remoteproc: qcom,sc7280-mss-pil: Update memory-region
  dt-bindings: remoteproc: qcom,sc7180-mss-pil: Update memory-region
  dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region
  dt-bindings: remoteproc: qcom,q6v5: Move MSM8996 to schema
  remoteproc: qcom_q6v5_pas: add sm8550 adsp, cdsp & mpss compatible & data
  remoteproc: qcom_q6v5_pas: add support for assigning memory to firmware
  remoteproc: qcom_q6v5_pas: add support for dtb co-firmware loading
  ...

1 files changed, 83 insertions, 0 deletions

diff --git a/include/linux/remoteproc/pruss.h b/include/linux/remoteproc/pruss.h
new file mode 100644
index 000000000000..039b50d58df2
--- /dev/null
+++ b/include/linux/remoteproc/pruss.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * PRU-ICSS Subsystem user interfaces
+ *
+ * Copyright (C) 2015-2022 Texas Instruments Incorporated - http://www.ti.com
+ *	Suman Anna <s-anna@ti.com>
+ */
+
+#ifndef __LINUX_PRUSS_H
+#define __LINUX_PRUSS_H
+
+#include <linux/device.h>
+#include <linux/types.h>
+
+#define PRU_RPROC_DRVNAME "pru-rproc"
+
+/**
+ * enum pruss_pru_id - PRU core identifiers
+ * @PRUSS_PRU0: PRU Core 0.
+ * @PRUSS_PRU1: PRU Core 1.
+ * @PRUSS_NUM_PRUS: Total number of PRU Cores available.
+ *
+ */
+
+enum pruss_pru_id {
+	PRUSS_PRU0 = 0,
+	PRUSS_PRU1,
+	PRUSS_NUM_PRUS,
+};
+
+/*
+ * enum pru_ctable_idx - Configurable Constant table index identifiers
+ */
+enum pru_ctable_idx {
+	PRU_C24 = 0,
+	PRU_C25,
+	PRU_C26,
+	PRU_C27,
+	PRU_C28,
+	PRU_C29,
+	PRU_C30,
+	PRU_C31,
+};
+
+struct device_node;
+struct rproc;
+
+#if IS_ENABLED(CONFIG_PRU_REMOTEPROC)
+
+struct rproc *pru_rproc_get(struct device_node *np, int index,
+			    enum pruss_pru_id *pru_id);
+void pru_rproc_put(struct rproc *rproc);
+int pru_rproc_set_ctable(struct rproc *rproc, enum pru_ctable_idx c, u32 addr);
+
+#else
+
+static inline struct rproc *
+pru_rproc_get(struct device_node *np, int index, enum pruss_pru_id *pru_id)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline void pru_rproc_put(struct rproc *rproc) { }
+
+static inline int pru_rproc_set_ctable(struct rproc *rproc,
+				       enum pru_ctable_idx c, u32 addr)
+{
+	return -EOPNOTSUPP;
+}
+
+#endif /* CONFIG_PRU_REMOTEPROC */
+
+static inline bool is_pru_rproc(struct device *dev)
+{
+	const char *drv_name = dev_driver_string(dev);
+
+	if (strncmp(drv_name, PRU_RPROC_DRVNAME, sizeof(PRU_RPROC_DRVNAME)))
+		return false;
+
+	return true;
+}
+
+#endif /* __LINUX_PRUSS_H */