| /openbmc/linux/drivers/net/ipa/ |
| H A D | ipa_qmi.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2022 Linaro Ltd.
13 #include "ipa.h"
21 * DOC: AP/Modem QMI Handshake
23 * The AP and modem perform a "handshake" at initialization time to ensure
24 * both sides know when everything is ready to begin operating. The AP
26 * using a service on the modem, and server to service modem requests (and
27 * to supply an indication message from the AP). Once the handshake is
28 * complete, the AP and modem may begin IPA operation. This occurs
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| H A D | ipa_table.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2023 Linaro Ltd.
15 #include <linux/dma-mapping.h>
17 #include "ipa.h"
28 * DOC: IPA Filter and Route Tables
30 * The IPA has tables defined in its local (IPA-resident) memory that define
32 * endian 64-bit "slot" that holds the address of a rule definition. (The
38 * by all IPA hardware (IPA v4.2 doesn't support hashed tables).
41 * an object (such as a route or filter table) in IPA-resident memory must
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| H A D | ipa_smp2p.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2022 Linaro Ltd.
17 #include "ipa.h"
21 * DOC: IPA SMP2P communication with the modem
23 * SMP2P is a primitive communication mechanism available between the AP and
24 * the modem. The IPA driver uses this for two purposes: to enable the modem
25 * to state that the GSI hardware is ready to use; and to communicate the
26 * state of IPA power in the event of a crash.
28 * GSI needs to have early initialization completed before it can be used.
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| H A D | ipa_qmi_msg.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright (C) 2018-2022 Linaro Ltd.
14 /* Request/response/indication QMI message ids used for IPA. Receiving
17 #define IPA_QMI_INDICATION_REGISTER 0x20 /* modem -> AP request */
18 #define IPA_QMI_INIT_DRIVER 0x21 /* AP -> modem request */
19 #define IPA_QMI_INIT_COMPLETE 0x22 /* AP -> modem indication */
20 #define IPA_QMI_DRIVER_INIT_COMPLETE 0x35 /* modem -> AP request */
25 * the message size to be provided.
27 #define IPA_QMI_INDICATION_REGISTER_REQ_SZ 20 /* -> server handle */
28 #define IPA_QMI_INDICATION_REGISTER_RSP_SZ 7 /* <- server handle */
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| H A D | ipa.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2022 Linaro Ltd.
31 * struct ipa - IPA information
33 * @version: IPA hardware version
35 * @completion: Used to signal pipeline clear transfer complete
39 * @power: IPA power information
43 * @modem_route_count: Number of modem entries in a routing table
45 * @interrupt: IPA Interrupt information
48 * @reg_virt: Virtual address used for IPA register access
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| H A D | ipa_main.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2023 Linaro Ltd.
22 #include "ipa.h"
41 * This driver supports the Qualcomm IP Accelerator (IPA), which is a
42 * networking component found in many Qualcomm SoCs. The IPA is connected
43 * to the application processor (AP), but is also connected (and partially
44 * controlled by) other "execution environments" (EEs), such as a modem.
46 * The IPA is the conduit between the AP and the modem that carries network
48 * connection of the modem to external (e.g. LTE) networks.
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| H A D | ipa_qmi.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright (C) 2018-2022 Linaro Ltd.
12 struct ipa;
15 * struct ipa_qmi - QMI state associated with an IPA
16 * @client_handle: Used to send an QMI requests to the modem
17 * @server_handle: Used to handle QMI requests from the modem
18 * @modem_sq: QMAP socket address for the modem QMI server
43 * ipa_qmi_setup() - Set up for QMI message exchange
44 * @ipa: IPA pointer
46 * This is called at the end of ipa_setup(), to prepare for the exchange
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| H A D | ipa_mem.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2023 Linaro Ltd.
10 #include <linux/dma-mapping.h>
15 #include "ipa.h"
23 /* "Canary" value placed between memory regions to detect overflow */
26 /* SMEM host id representing the modem. */
29 const struct ipa_mem *ipa_mem_find(struct ipa *ipa, enum ipa_mem_id mem_id) in ipa_mem_find() argument
33 for (i = 0; i < ipa->mem_count; i++) { in ipa_mem_find()
34 const struct ipa_mem *mem = &ipa->mem[i]; in ipa_mem_find()
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| H A D | ipa_data.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2023 Linaro Ltd.
16 * DOC: IPA/GSI Configuration Data
18 * Boot-time configuration data is used to define the configuration of the
19 * IPA and GSI resources to use for a given platform. This data is supplied
25 * Resources are data structures used internally by the IPA hardware. The
29 * Endpoint configuration data defines properties of both IPA endpoints and
31 * communication path between the IPA and a particular execution environment
32 * (EE), such as the AP or Modem. Each EE has a set of channels associated
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| H A D | ipa_table.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2022 Linaro Ltd.
11 struct ipa;
14 * ipa_filtered_valid() - Validate a filter table endpoint bitmap
15 * @ipa: IPA pointer
16 * @filtered: Filter table endpoint bitmap to check
20 bool ipa_filtered_valid(struct ipa *ipa, u64 filtered);
23 * ipa_table_hash_support() - Return true if hashed tables are supported
24 * @ipa: IPA pointer
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| H A D | ipa_power.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2022 Linaro Ltd.
11 struct ipa;
15 /* IPA device power management function block */
19 * ipa_core_clock_rate() - Return the current IPA core clock rate
20 * @ipa: IPA structure
24 u32 ipa_core_clock_rate(struct ipa *ipa);
27 * ipa_power_modem_queue_stop() - Possibly stop the modem netdev TX queue
28 * @ipa: IPA pointer
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| H A D | ipa_uc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2022 Linaro Ltd.
9 struct ipa;
13 * ipa_uc_interrupt_handler() - Handler for microcontroller IPA interrupts
14 * @ipa: IPA pointer
15 * @irq_id: IPA interrupt ID
17 void ipa_uc_interrupt_handler(struct ipa *ipa, enum ipa_irq_id irq_id);
20 * ipa_uc_config() - Configure the IPA microcontroller subsystem
21 * @ipa: IPA pointer
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| H A D | ipa_cmd.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2023 Linaro Ltd.
11 #include <linux/dma-direction.h>
15 #include "ipa.h"
22 * DOC: IPA Immediate Commands
24 * The AP command TX endpoint is used to issue immediate commands to the IPA.
25 * An immediate command is generally used to request the IPA do something
26 * other than data transfer to another endpoint.
30 * has a well-defined format, having a payload of a known length. This
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| H A D | gsi.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2023 Linaro Ltd.
41 * A channel ring consists of TRE entries filled by the AP and passed
42 * to the hardware for processing. For a channel ring, the ring index
43 * identifies the next unused entry to be filled by the AP. In this
44 * case the initial value is assumed by hardware to be 0.
47 * and passed to the AP. For event rings, the ring index identifies
48 * the next ring entry that is not known to have been filled by the
55 * but taken from a fixed-size pool. The number of elements required for
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| H A D | ipa_endpoint.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2023 Linaro Ltd.
12 #include <linux/dma-direction.h>
16 #include "ipa.h"
27 #define IPA_REPLENISH_BATCH 16 /* Must be non-zero */
30 #define IPA_RX_BUFFER_OVERHEAD (PAGE_SIZE - SKB_MAX_ORDER(NET_SKB_PAD, 0))
32 /* Where to find the QMAP mux_id for a packet within modem-supplied metadata */
37 /** enum ipa_status_opcode - IPA status opcode field hardware values */
48 /** enum ipa_status_exception - IPA status exception field hardware values */
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| H A D | gsi.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2023 Linaro Ltd.
28 * DOC: The IPA Generic Software Interface
30 * The generic software interface (GSI) is an integral component of the IPA,
31 * providing a well-defined communication layer between the AP subsystem
32 * and the IPA core. The modem uses the GSI layer as well.
34 * -------- ---------
36 * | AP +<---. .----+ Modem |
37 * | +--. | | .->+ |
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| /openbmc/linux/Documentation/devicetree/bindings/net/ |
| H A D | qcom,ipa.yaml | 1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/net/qcom,ipa.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm IP Accelerator (IPA)
10 - Alex Elder <elder@kernel.org>
13 This binding describes the Qualcomm IPA. The IPA is capable of offloading
17 The IPA sits between multiple independent "execution environments,"
18 including the Application Processor (AP) and the modem. The IPA presents
19 a Generic Software Interface (GSI) to each execution environment.
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| /openbmc/linux/Documentation/ABI/testing/ |
| H A D | sysfs-devices-platform-soc-ipa | 1 What: /sys/devices/platform/soc@X/XXXXXXX.ipa/
6 The /sys/devices/platform/soc@X/XXXXXXX.ipa/ directory
7 contains read-only attributes exposing information about
8 an IPA device. The X values could vary, but are typically
9 "soc@0/1e40000.ipa".
11 What: .../XXXXXXX.ipa/version
16 The .../XXXXXXX.ipa/version file contains the IPA hardware
17 version, as a period-separated set of two or three integers
20 What: .../XXXXXXX.ipa/feature/
25 The .../XXXXXXX.ipa/feature/ directory contains a set of
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| /openbmc/linux/Documentation/devicetree/bindings/soc/qcom/ |
| H A D | qcom,smp2p.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org>
12 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
15 The Shared Memory Point to Point (SMP2P) protocol facilitates communication
16 of a single 32-bit value between two processors. Each value has a single
18 uniquely identified in the system by the directed edge (local processor ID to
31 Reference to the mailbox representing the outgoing doorbell in APCS for
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| /openbmc/linux/arch/arm64/boot/dts/qcom/ |
| H A D | sc7180-trogdor-lte-sku.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
9 label = "proximity-wifi-lte";
17 firmware-name = "qcom/sc7180-trogdor/modem/mba.mbn",
18 "qcom/sc7180-trogdor/modem/qdsp6sw.mbn";
21 &ipa {
24 * modem needs to cover certain init steps (GSI init), and
25 * the AP needs to wait for it.
27 qcom,gsi-loader = "modem";
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| H A D | sm6375.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause
6 #include <dt-bindings/clock/qcom,rpmcc.h>
7 #include <dt-bindings/clock/qcom,sm6375-gcc.h>
8 #include <dt-bindings/clock/qcom,sm6375-gpucc.h>
9 #include <dt-bindings/dma/qcom-gpi.h>
10 #include <dt-bindings/firmware/qcom,scm.h>
11 #include <dt-bindings/interconnect/qcom,osm-l3.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/mailbox/qcom-ipcc.h>
14 #include <dt-bindings/power/qcom-rpmpd.h>
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| H A D | sm6350.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause
7 #include <dt-bindings/clock/qcom,dispcc-sm6350.h>
8 #include <dt-bindings/clock/qcom,gcc-sm6350.h>
9 #include <dt-bindings/clock/qcom,gpucc-sm6350.h>
10 #include <dt-bindings/clock/qcom,rpmh.h>
11 #include <dt-bindings/clock/qcom,sm6350-camcc.h>
12 #include <dt-bindings/dma/qcom-gpi.h>
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/interconnect/qcom,icc.h>
15 #include <dt-bindings/interconnect/qcom,osm-l3.h>
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| /openbmc/linux/arch/arm/boot/dts/qcom/ |
| H A D | qcom-sdx65.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause
9 #include <dt-bindings/clock/qcom,gcc-sdx65.h>
10 #include <dt-bindings/clock/qcom,rpmh.h>
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/power/qcom-rpmpd.h>
14 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
15 #include <dt-bindings/interconnect/qcom,sdx65.h>
18 #address-cells = <1>;
19 #size-cells = <1>;
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| H A D | qcom-sdx55.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause
9 #include <dt-bindings/clock/qcom,gcc-sdx55.h>
10 #include <dt-bindings/clock/qcom,rpmh.h>
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interconnect/qcom,sdx55.h>
13 #include <dt-bindings/interrupt-controller/arm-gic.h>
14 #include <dt-bindings/power/qcom-rpmpd.h>
15 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
18 #address-cells = <1>;
19 #size-cells = <1>;
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| /openbmc/openbmc/poky/meta/recipes-kernel/linux-firmware/ |
| H A D | linux-firmware_20241210.bb | 9 Firmware-Abilis \
10 & Firmware-adsp_sst \
11 & Firmware-agere \
12 & Firmware-amdgpu \
13 & Firmware-amd-ucode \
14 & Firmware-amlogic_vdec \
15 & Firmware-amphion_vpu \
16 & Firmware-atheros_firmware \
17 & Firmware-atmel \
18 & Firmware-broadcom_bcm43xx \
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