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/linux/drivers/platform/x86/
H A Dpanasonic-laptop.c53 * add /proc/acpi/pcc/brightness interface for HAL access
163 #define ACPI_PCC_CLASS "pcc"
295 static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val) in acpi_pcc_write_sset() argument
309 status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET, in acpi_pcc_write_sset()
330 static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc) in acpi_pcc_retrieve_biosdata() argument
337 status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, NULL, in acpi_pcc_retrieve_biosdata()
351 if (pcc->num_sifr < hkey->package.count) { in acpi_pcc_retrieve_biosdata()
353 pcc->num_sifr, hkey->package.count); in acpi_pcc_retrieve_biosdata()
361 pcc->sinf[i] = element->integer.value; in acpi_pcc_retrieve_biosdata()
365 pcc->sinf[hkey->package.count] = -1; in acpi_pcc_retrieve_biosdata()
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/linux/drivers/mailbox/
H A Dpcc.c6 * PCC (Platform Communication Channel) is defined in the ACPI 5.0+
11 * shared memory regions as defined in the PCC table entries. The PCC
12 * specification supports a Doorbell mechanism for the PCC clients
14 * is also specified in each PCC table entry.
18 * PCC Reads:
22 * * Client issues mbox_send_message() which rings the PCC doorbell
23 * for its PCC channel.
28 * PCC Writes:
33 * * Client issues mbox_send_message() which rings the PCC doorbell
34 * for its PCC channel.
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/linux/Documentation/admin-guide/pm/
H A Dcpufreq_drivers.rst80 ``pcc-cpufreq``
86 * pcc-cpufreq.txt - PCC interface documentation
100 1.1 PCC interface
113 Processor Clocking Control (PCC) is an interface between the platform
117 The PCC driver (pcc-cpufreq) allows OSPM to take advantage of the PCC
120 OS utilizes the PCC interface to inform platform firmware what frequency the
126 1.1 PCC interface:
128 The complete PCC specification is available here:
131 PCC relies on a shared memory region that provides a channel for communication
132 between the OS and platform firmware. PCC also implements a "doorbell" that
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/linux/drivers/acpi/
H A Dacpi_pcc.c6 * The PCC Address Space also referred as PCC Operation Region pertains to the
7 * region of PCC subspace that succeeds the PCC signature. The PCC Operation
8 * Region works in conjunction with the PCC Table(Platform Communications
9 * Channel Table). PCC subspaces that are marked for use as PCC Operation
10 * Regions must not be used as PCC subspaces for the standard ACPI features
12 * the PCC Table instead.
14 * This driver sets up the PCC Address Space and installs an handler to enable
15 * handling of PCC OpRegion in the firmware.
24 #include <acpi/pcc.h>
28 * to PCC commands
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H A Dcppc_acpi.c26 * called (PCC) Platform Communication Channel. This is a generic mailbox like
28 * See drivers/mailbox/pcc.c for details on PCC.
30 * Finer details about the PCC and CPPC spec are available in the ACPI v5.1 and
54 bool pending_pcc_write_cmd; /* Any pending/batched PCC write cmds? */
55 bool platform_owns_pcc; /* Ownership of PCC subspace */
56 unsigned int pcc_write_cnt; /* Running count of PCC write commands */
59 * Lock to provide controlled access to the PCC channel.
63 * before reading or writing to PCC subspace
82 /* Array to represent the PCC channel per subspace ID */
90 * include the type of register (e.g. PCC, System IO, FFH etc.)
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/linux/tools/perf/pmu-events/arch/s390/cf_z16/
H A Dpai_crypto.json727 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING DEA",
728 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-DEA function ending with CC=0"
734 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING TDEA 128",
735 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-TDEA-128 function ending with CC=0"
741 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING TDEA 192",
742 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-TDEA-192 function ending with CC=0"
748 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING ENCRYPTED DEA",
749 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA function ending with CC=0"
755 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING ENCRYPTED TDEA 128",
756 …"PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 function ending with CC…
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/linux/tools/perf/pmu-events/arch/s390/cf_z17/
H A Dpai_crypto.json727 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING DEA",
728 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-DEA function ending with CC=0"
734 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING TDEA 128",
735 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-TDEA-128 function ending with CC=0"
741 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING TDEA 192",
742 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-TDEA-192 function ending with CC=0"
748 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING ENCRYPTED DEA",
749 "PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA function ending with CC=0"
755 "BriefDescription": "PCC COMPUTE LAST BLOCK CMAC USING ENCRYPTED TDEA 128",
756 …"PublicDescription": "PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 function ending with CC…
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/linux/drivers/devfreq/
H A Dhisi_uncore_freq.c27 #include <acpi/pcc.h>
68 * @pchan: PCC mailbox channel
69 * @chan_id: PCC channel ID
70 * @last_cmd_cmpl_time: timestamp of the last completed PCC command
71 * @pcc_lock: PCC channel lock
89 /* PCC channel timeout = PCC nominal latency * NUM */
122 "Failed to request PCC channel %u\n", uncore->chan_id); in hisi_uncore_request_pcc_chan()
127 "Invalid PCC shared memory address\n"); in hisi_uncore_request_pcc_chan()
133 "Invalid PCC shared memory size (%lluB)\n", in hisi_uncore_request_pcc_chan()
160 /* PCC subspace ID stored in Access Size */ in hisi_uncore_pcc_reg_scan()
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/linux/Documentation/devicetree/bindings/clock/
H A Dimx7ulp-pcc-clock.yaml4 $id: http://devicetree.org/schemas/clock/imx7ulp-pcc-clock.yaml#
7 title: Freescale i.MX7ULP Peripheral Clock Control (PCC) modules Clock Controller
14 Clock Generation (SCG) modules, Peripheral Clock Control (PCC)
28 The Peripheral Clock Control (PCC) is responsible for clock selection,
H A Dimx8ulp-pcc-clock.yaml4 $id: http://devicetree.org/schemas/clock/imx8ulp-pcc-clock.yaml#
7 title: NXP i.MX8ULP Peripheral Clock Controller(PCC) Module
14 under the control of several CGCs & PCCs modules. The PCC modules control
/linux/drivers/gpu/drm/msm/disp/dpu1/
H A Ddpu_hw_dspp.c38 base = ctx->cap->sblk->pcc.base; in dpu_setup_dspp_pcc()
41 DRM_ERROR("invalid ctx %p pcc base 0x%x\n", ctx, base); in dpu_setup_dspp_pcc()
46 DRM_DEBUG_DRIVER("disable pcc feature\n"); in dpu_setup_dspp_pcc()
93 if (c->cap->sblk->pcc.base) in dpu_hw_dspp_init()
/linux/arch/s390/kernel/
H A Dcpacf.c38 CPACF_QUERY(pcc, PCC);
67 CPACF_QAI(pcc, PCC);
/linux/arch/mips/include/asm/dec/
H A Dkn01.h23 #define KN01_PCC (1*KN01_SLOT_SIZE) /* PCC (DC503) cursor */
50 #define KN01_CPU_INR_VIDEO 6 /* PCC area detect #2 */
63 #define KN01_CSR_CRSRTST (1<<12) /* PCC test output */
66 #define KN01_CSR_VINT (1<<9) /* PCC area detect #2 status & ack */
/linux/kernel/bpf/
H A Dmemalloc.c511 struct bpf_mem_caches *cc; struct bpf_mem_caches __percpu *pcc; in bpf_mem_alloc_init() local
552 pcc = __alloc_percpu_gfp(sizeof(*cc), 8, GFP_KERNEL); in bpf_mem_alloc_init()
553 if (!pcc) in bpf_mem_alloc_init()
560 cc = per_cpu_ptr(pcc, cpu); in bpf_mem_alloc_init()
573 ma->caches = pcc; in bpf_mem_alloc_init()
579 struct bpf_mem_caches __percpu *pcc; in bpf_mem_alloc_percpu_init() local
581 pcc = __alloc_percpu_gfp(sizeof(struct bpf_mem_caches), 8, GFP_KERNEL); in bpf_mem_alloc_percpu_init()
582 if (!pcc) in bpf_mem_alloc_percpu_init()
585 ma->caches = pcc; in bpf_mem_alloc_percpu_init()
593 struct bpf_mem_caches *cc; struct bpf_mem_caches __percpu *pcc; in bpf_mem_alloc_percpu_unit_init() local
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/linux/arch/sh/include/asm/
H A Dhd64461.h139 /* PCC Interface Status Register */
156 /* PCC General Control Register */
166 /* PCC Card Status Change Register */
176 /* PCC Card Status Change Interrupt Enable Register */
190 /* PCC Software Control Register */
/linux/include/acpi/
H A Dpcc.h3 * PCC (Platform Communications Channel) methods
27 * the PCC specification.
H A Dcppc_acpi.h17 #include <acpi/pcc.h>
31 /* CPPC specific PCC commands. */
/linux/tools/testing/selftests/kvm/s390/
H A Dcpumodel_subfuncs_test.c151 /* Testing Crypto Perform Cryptographic Computation (PCC) CPU subfunction's ASM block */
254 { "PCC", cpu_subfunc.pcc, sizeof(cpu_subfunc.pcc), test_pcc_asm_block, 77 },
/linux/drivers/i2c/busses/
H A Di2c-xgene-slimpro.c12 #include <acpi/pcc.h>
187 /* Copy the message to the PCC comm space */ in slimpro_i2c_pcc_tx_prepare()
472 if (device_property_read_u32(&pdev->dev, "pcc-channel", in xgene_slimpro_i2c_probe()
481 "PCC mailbox channel request failed\n"); in xgene_slimpro_i2c_probe()
488 "PCC IRQ not supported\n"); in xgene_slimpro_i2c_probe()
/linux/arch/sh/kernel/cpu/sh3/
H A Dsetup-sh7720.c231 SIOF0, SIOF1, MMC, PCC, enumerator
262 INTC_VECT(CMT, 0xf00), INTC_VECT(PCC, 0xf60),
275 { 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } },
/linux/drivers/acpi/acpica/
H A Dexfield.c205 * Reading from a PCC field unit does not require the handler because in acpi_ex_read_data_from_field()
209 "PCC FieldRead bits %u\n", in acpi_ex_read_data_from_field()
342 "PCC COMD field has been written. Invoking PCC handler now.\n")); in acpi_ex_write_data_to_field()
/linux/drivers/clk/imx/
H A Dclk-composite-7ulp.c42 * with this pcc clock. in pcc_gate_enable()
84 pr_info("PCC PR is 0 for clk:%s, bypass\n", name); in imx_ulp_clk_hw_composite()
/linux/arch/sh/kernel/cpu/sh4a/
H A Dsetup-sh7763.c244 USBH, USBF, TPU, PCC, MMCIF, SIM, enumerator
281 INTC_VECT(TPU, 0xcc0), INTC_VECT(PCC, 0xce0),
310 PCC, 0, 0, ADC, TPU, SIM, SIOF2, SIOF1,
329 { 0xffd400ac, 0, 32, 8, /* INT2PRI11 */ { PCC } },
/linux/arch/m68k/mvme147/
H A Dconfig.c113 .name = "pcc",
126 /* Using pcc tick timer 1 */
/linux/drivers/soc/hisilicon/
H A Dkunpeng_hccs.h201 * Note: Actual available size of data field also depands on the PCC header
217 * Note: Actual available size of data field also depands on the PCC header

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