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/Linux-v6.1/drivers/soc/qcom/
Docmem.c3 * The On Chip Memory (OCMEM) allocator allows various clients to allocate
4 * memory from OCMEM based on performance, latency and power requirements.
23 #include <soc/qcom/ocmem.h>
52 struct ocmem { struct
104 static inline void ocmem_write(struct ocmem *ocmem, u32 reg, u32 data) in ocmem_write() argument
106 writel(data, ocmem->mmio + reg); in ocmem_write()
109 static inline u32 ocmem_read(struct ocmem *ocmem, u32 reg) in ocmem_read() argument
111 return readl(ocmem->mmio + reg); in ocmem_read()
114 static void update_ocmem(struct ocmem *ocmem) in update_ocmem() argument
120 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
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DKconfig81 tristate "Qualcomm On Chip Memory (OCMEM) driver"
85 The On Chip Memory (OCMEM) allocator allows various clients to
86 allocate memory from OCMEM based on performance, latency and power
DMakefile9 obj-$(CONFIG_QCOM_OCMEM) += ocmem.o
/Linux-v6.1/include/soc/qcom/
Docmem.h3 * The On Chip Memory (OCMEM) allocator allows various clients to allocate
4 * memory from OCMEM based on performance, latency and power requirements.
28 struct ocmem;
38 struct ocmem *of_get_ocmem(struct device *dev);
39 struct ocmem_buf *ocmem_allocate(struct ocmem *ocmem, enum ocmem_client client,
41 void ocmem_free(struct ocmem *ocmem, enum ocmem_client client,
46 static inline struct ocmem *of_get_ocmem(struct device *dev) in of_get_ocmem()
51 static inline struct ocmem_buf *ocmem_allocate(struct ocmem *ocmem, in ocmem_allocate() argument
58 static inline void ocmem_free(struct ocmem *ocmem, enum ocmem_client client, in ocmem_free() argument
/Linux-v6.1/Documentation/devicetree/bindings/sram/
Dqcom,ocmem.yaml4 $id: http://devicetree.org/schemas/sram/qcom,ocmem.yaml#
7 title: On Chip Memory (OCMEM) that is present on some Qualcomm Snapdragon SoCs.
13 The On Chip Memory (OCMEM) is typically used by the GPU, camera/video, and
18 const: qcom,msm8974-ocmem
23 - description: OCMEM address range
79 compatible = "qcom,msm8974-ocmem";
/Linux-v6.1/Documentation/devicetree/bindings/display/msm/
Dgpu.yaml58 - const: ocmem
72 phandle to the On Chip Memory (OCMEM) that's present on some a3xx and
74 Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
200 ocmem@fdd00000 {
201 compatible = "qcom,msm8974-ocmem";
/Linux-v6.1/drivers/gpu/drm/msm/adreno/
Da4xx_gpu.h18 /* if OCMEM is used for GMEM: */
19 struct adreno_ocmem ocmem; member
Da3xx_gpu.h21 /* if OCMEM is used for GMEM: */
22 struct adreno_ocmem ocmem; member
Dadreno_gpu.c18 #include <soc/qcom/ocmem.h>
993 struct ocmem *ocmem; in adreno_gpu_ocmem_init() local
995 ocmem = of_get_ocmem(dev); in adreno_gpu_ocmem_init()
996 if (IS_ERR(ocmem)) { in adreno_gpu_ocmem_init()
997 if (PTR_ERR(ocmem) == -ENODEV) { in adreno_gpu_ocmem_init()
999 * Return success since either the ocmem property was in adreno_gpu_ocmem_init()
1000 * not specified in device tree, or ocmem support is in adreno_gpu_ocmem_init()
1006 return PTR_ERR(ocmem); in adreno_gpu_ocmem_init()
1009 ocmem_hdl = ocmem_allocate(ocmem, OCMEM_GRAPHICS, adreno_gpu->gmem); in adreno_gpu_ocmem_init()
1013 adreno_ocmem->ocmem = ocmem; in adreno_gpu_ocmem_init()
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Da3xx_gpu.c247 /* Set the OCMEM base address for A330, etc */ in a3xx_hw_init()
248 if (a3xx_gpu->ocmem.hdl) { in a3xx_hw_init()
250 (unsigned int)(a3xx_gpu->ocmem.base >> 14)); in a3xx_hw_init()
381 adreno_gpu_ocmem_cleanup(&a3xx_gpu->ocmem); in a3xx_destroy()
553 adreno_gpu, &a3xx_gpu->ocmem); in a3xx_gpu_init()
579 ocmem_icc_path = devm_of_icc_get(&pdev->dev, "ocmem"); in a3xx_gpu_init()
582 /* allow -ENODATA, ocmem icc is optional */ in a3xx_gpu_init()
Dadreno_gpu.h124 struct ocmem *ocmem; member
317 struct adreno_ocmem *ocmem);
318 void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *ocmem);
Da4xx_gpu.c240 (unsigned int)(a4xx_gpu->ocmem.base >> 14)); in a4xx_hw_init()
380 adreno_gpu_ocmem_cleanup(&a4xx_gpu->ocmem); in a4xx_destroy()
682 &a4xx_gpu->ocmem); in a4xx_gpu_init()
707 ocmem_icc_path = devm_of_icc_get(&pdev->dev, "ocmem"); in a4xx_gpu_init()
710 /* allow -ENODATA, ocmem icc is optional */ in a4xx_gpu_init()
Da6xx_gmu.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
Dadreno_common.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
Dadreno_pm4.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
Da2xx.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
Da3xx.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
Da4xx.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
Da5xx.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
Da6xx.xml.h21 - /home/robclark/tmp/mesa/src/freedreno/registers/adreno/ocmem.xml ( 1773 bytes, fr…
/Linux-v6.1/drivers/firmware/
Dqcom_scm.c969 * qcom_scm_ocmem_lock_available() - is OCMEM lock/unlock interface available
979 * qcom_scm_ocmem_lock() - call OCMEM lock interface to assign an OCMEM
983 * @offset: OCMEM offset
984 * @size: OCMEM size
1005 * qcom_scm_ocmem_unlock() - call OCMEM unlock interface to release an OCMEM
1009 * @offset: OCMEM offset
1010 * @size: OCMEM size
/Linux-v6.1/arch/arm64/boot/dts/qcom/
Dmsm8992.dtsi27 &ocmem {
Dmsm8994.dtsi1068 ocmem: sram@fdd00000 { label
1069 compatible = "qcom,msm8974-ocmem";
/Linux-v6.1/drivers/interconnect/qcom/
Dmsm8974.c26 * Peripheral | On Chip | Memory (OCMEM)
408 /* Virtual NoC is needed for connection to OCMEM */
/Linux-v6.1/arch/arm/boot/dts/
Dqcom-msm8974.dtsi1638 interconnect-names = "gfx-mem", "ocmem";
1662 compatible = "qcom,msm8974-ocmem";