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/linux/drivers/remoteproc/
H A Dmtk_scp.c26 * scp_get() - get a reference to SCP.
28 * @pdev: the platform device of the module requesting SCP platform
29 * device for using SCP API.
31 * Return: Return NULL if failed. otherwise reference to SCP.
39 scp_node = of_parse_phandle(dev->of_node, "mediatek,scp", 0); in scp_get()
41 dev_err(dev, "can't get SCP node\n"); in scp_get()
49 dev_err(dev, "SCP pdev failed\n"); in scp_get()
58 * scp_put() - "free" the SCP
60 * @scp: mtk_scp structure from scp_get().
62 void scp_put(struct mtk_scp *scp) in scp_put() argument
[all …]
/linux/Documentation/devicetree/bindings/remoteproc/
H A Dmtk,scp.yaml4 $id: http://devicetree.org/schemas/remoteproc/mtk,scp.yaml#
7 title: Mediatek SCP
19 - mediatek,mt8183-scp
20 - mediatek,mt8186-scp
21 - mediatek,mt8188-scp
22 - mediatek,mt8188-scp-dual
23 - mediatek,mt8192-scp
24 - mediatek,mt8195-scp
25 - mediatek,mt8195-scp-dual
55 initializing SCP.
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/linux/drivers/scsi/arm/
H A Darm_scsi.h30 * entries of uninitialized memory. SCp is from scsi-ml and has a valid
33 static inline int copy_SCp_to_sg(struct scatterlist *sg, struct scsi_pointer *SCp, int max) in copy_SCp_to_sg() argument
35 int bufs = SCp->buffers_residual; in copy_SCp_to_sg()
42 sg_set_buf(sg, SCp->ptr, SCp->this_residual); in copy_SCp_to_sg()
48 for_each_sg(sg_next(SCp->buffer), src_sg, bufs, i) in copy_SCp_to_sg()
56 static inline int next_SCp(struct scsi_pointer *SCp) in next_SCp() argument
58 int ret = SCp->buffers_residual; in next_SCp()
60 SCp->buffer = sg_next(SCp->buffer); in next_SCp()
61 SCp->buffers_residual--; in next_SCp()
62 SCp->ptr = sg_virt(SCp->buffer); in next_SCp()
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H A Dfas216.c177 static void print_SCp(struct scsi_pointer *SCp, const char *prefix, const char *suffix) in print_SCp() argument
180 prefix, SCp->ptr, SCp->this_residual, SCp->buffer, in print_SCp()
181 SCp->buffers_residual, suffix); in print_SCp()
203 print_SCp(&info->scsi.SCp, " SCp={ ", " }\n"); in fas216_dumpinfo()
632 struct scsi_pointer *SCp = &info->scsi.SCp; in fas216_updateptrs() local
638 SCp->phase -= bytes_transferred; in fas216_updateptrs()
641 if (SCp->this_residual > bytes_transferred) in fas216_updateptrs()
647 bytes_transferred -= SCp->this_residual; in fas216_updateptrs()
648 if (!next_SCp(SCp) && bytes_transferred) { in fas216_updateptrs()
655 SCp->this_residual -= bytes_transferred; in fas216_updateptrs()
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H A Dacornscsi.c238 printk("BH @%p +%04x, ", host->scsi.SCp.ptr, in acornscsi_dumpdma()
239 host->scsi.SCp.this_residual); in acornscsi_dumpdma()
241 host->scsi.SCp.scsi_xferred); in acornscsi_dumpdma()
732 host->scsi.SCp = *arm_scsi_pointer(SCpnt); in acornscsi_kick()
788 scsi_msg_to_host_byte(SCpnt, host->scsi.SCp.Message); in acornscsi_done()
789 set_status_byte(SCpnt, host->scsi.SCp.Status); in acornscsi_done()
803 if (host->scsi.SCp.ptr && in acornscsi_done()
807 if (host->scsi.SCp.scsi_xferred < SCpnt->underflow || in acornscsi_done()
808 host->scsi.SCp.scsi_xferred != host->dma.transferred) in acornscsi_done()
866 void acornscsi_data_updateptr(AS_Host *host, struct scsi_pointer *SCp, unsigned int length) in acornscsi_data_updateptr() argument
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/linux/include/linux/remoteproc/
H A Dmtk_scp.h19 * @SCP_IPI_INIT: The interrupt from scp is to notfiy kernel
20 * SCP initialization completed.
21 * IPI_SCP_INIT is sent from SCP when firmware is
23 * command to SCP.
25 * to SCP to trigger the interrupt.
52 void scp_put(struct mtk_scp *scp);
54 struct device *scp_get_device(struct mtk_scp *scp);
55 struct rproc *scp_get_rproc(struct mtk_scp *scp);
57 int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler,
59 void scp_ipi_unregister(struct mtk_scp *scp, u32 id);
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/linux/drivers/media/platform/mediatek/vcodec/common/
H A Dmtk_vcodec_fw_scp.c9 return rproc_boot(scp_get_rproc(fw->scp)); in mtk_vcodec_scp_load_firmware()
14 return scp_get_vdec_hw_capa(fw->scp); in mtk_vcodec_scp_get_vdec_capa()
19 return scp_get_venc_hw_capa(fw->scp); in mtk_vcodec_scp_get_venc_capa()
25 return scp_mapping_dm_addr(fw->scp, dtcm_dmem_addr); in mtk_vcodec_vpu_scp_dm_addr()
32 return scp_ipi_register(fw->scp, id, handler, priv); in mtk_vcodec_scp_set_ipi_register()
38 return scp_ipi_send(fw->scp, id, buf, len, wait); in mtk_vcodec_scp_ipi_send()
43 scp_put(fw->scp); in mtk_vcodec_scp_release()
60 struct mtk_scp *scp; in mtk_vcodec_fw_scp_init() local
75 scp = scp_get(plat_dev); in mtk_vcodec_fw_scp_init()
76 if (!scp) { in mtk_vcodec_fw_scp_init()
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/linux/drivers/pmdomain/mediatek/
H A Dmtk-scpsys.c112 * struct scp_domain_data - scp domain data for power on/off flow
133 struct scp;
137 struct scp *scp; member
148 struct scp { struct
174 struct scp *scp = scpd->scp; in scpsys_domain_is_on() argument
176 u32 status = readl(scp->base + scp->ctrl_reg.pwr_sta_offs) & in scpsys_domain_is_on()
178 u32 status2 = readl(scp->base + scp->ctrl_reg.pwr_sta2nd_offs) & in scpsys_domain_is_on()
281 struct scp *scp = scpd->scp; in scpsys_bus_protect_enable() local
286 return mtk_infracfg_set_bus_protection(scp->infracfg, in scpsys_bus_protect_enable()
288 scp->bus_prot_reg_update); in scpsys_bus_protect_enable()
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/linux/drivers/scsi/megaraid/
H A Dmega_common.h49 * @scp : associated scsi command
69 struct scsi_cmnd *scp; member
199 #define SCP2HOST(scp) (scp)->device->host // to host argument
200 #define SCP2HOSTDATA(scp) SCP2HOST(scp)->hostdata // to soft state argument
201 #define SCP2CHANNEL(scp) (scp)->device->channel // to channel argument
202 #define SCP2TARGET(scp) (scp)->device->id // to target argument
203 #define SCP2LUN(scp) (u32)(scp)->device->lun // to LUN argument
207 #define SCP2ADAPTER(scp) (adapter_t *)SCSIHOST2ADAP(SCP2HOST(scp)) argument
210 #define MRAID_IS_LOGICAL(adp, scp) \ argument
211 (SCP2CHANNEL(scp) == (adp)->max_channel) ? 1 : 0
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H A Dmegaraid_mbox.c1073 scb->scp = NULL; in megaraid_alloc_cmd_packets()
1268 * @scp : pointer to the scsi command to be executed
1274 megaraid_alloc_scb(adapter_t *adapter, struct scsi_cmnd *scp) in megaraid_alloc_scb() argument
1294 scb->scp = scp; in megaraid_alloc_scb()
1318 scb->scp = NULL; in megaraid_dealloc_scb()
1341 struct scsi_cmnd *scp; in megaraid_mbox_mksgl() local
1346 scp = scb->scp; in megaraid_mbox_mksgl()
1349 sgcnt = scsi_dma_map(scp); in megaraid_mbox_mksgl()
1358 scsi_for_each_sg(scp, sgl, sgcnt, i) { in megaraid_mbox_mksgl()
1433 * @scp : pointer to the scsi command to be executed
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H A Dmegaraid_sas_fusion.c2266 * @scp: SCSI command from the mid-layer
2274 struct scsi_cmnd *scp, in megasas_make_sgl_fusion() argument
2290 scsi_for_each_sg(scp, os_sgl, sge_count, i) { in megasas_make_sgl_fusion()
2338 * @scp: SCSI command pointer
2350 int megasas_make_sgl(struct megasas_instance *instance, struct scsi_cmnd *scp, in megasas_make_sgl() argument
2357 sge_count = scsi_dma_map(scp); in megasas_make_sgl()
2366 build_prp = megasas_make_prp_nvme(instance, scp, sgl_chain64, in megasas_make_sgl()
2370 megasas_make_sgl_fusion(instance, scp, sgl_chain64, in megasas_make_sgl()
2381 * @scp: SCSI command
2389 struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp, in megasas_set_pd_lba() argument
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/linux/drivers/media/platform/mediatek/mdp3/
H A Dmtk-mdp3-vpu.c26 dev = scp_get_device(vpu->scp); in mdp_vpu_shared_mem_alloc()
68 dev = scp_get_device(vpu->scp); in mdp_vpu_shared_mem_free()
126 struct mtk_scp *scp = mdp->scp; in mdp_vpu_register() local
129 err = scp_ipi_register(scp, SCP_IPI_MDP_INIT, in mdp_vpu_register()
135 err = scp_ipi_register(scp, SCP_IPI_MDP_DEINIT, in mdp_vpu_register()
141 err = scp_ipi_register(scp, SCP_IPI_MDP_FRAME, in mdp_vpu_register()
150 scp_ipi_unregister(scp, SCP_IPI_MDP_DEINIT); in mdp_vpu_register()
152 scp_ipi_unregister(scp, SCP_IPI_MDP_INIT); in mdp_vpu_register()
160 scp_ipi_unregister(mdp->scp, SCP_IPI_MDP_INIT); in mdp_vpu_unregister()
161 scp_ipi_unregister(mdp->scp, SCP_IPI_MDP_DEINIT); in mdp_vpu_unregister()
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/linux/drivers/scsi/
H A Dscsi_debug.c605 static int resp_get_stream_status(struct scsi_cmnd *scp,
1367 static void mk_sense_invalid_fld(struct scsi_cmnd *scp, in mk_sense_invalid_fld() argument
1375 sbuff = scp->sense_buffer; in mk_sense_invalid_fld()
1377 sdev_printk(KERN_ERR, scp->device, in mk_sense_invalid_fld()
1383 scsi_build_sense(scp, sdebug_dsense, ILLEGAL_REQUEST, asc, 0); in mk_sense_invalid_fld()
1402 sdev_printk(KERN_INFO, scp->device, "%s: [sense_key,asc,ascq" in mk_sense_invalid_fld()
1407 static void mk_sense_buffer(struct scsi_cmnd *scp, int key, int asc, int asq) in mk_sense_buffer() argument
1409 if (!scp->sense_buffer) { in mk_sense_buffer()
1410 sdev_printk(KERN_ERR, scp->device, in mk_sense_buffer()
1414 memset(scp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); in mk_sense_buffer()
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H A Dhptiop.c719 struct scsi_cmnd *scp; in hptiop_finish_scsi_req() local
729 scp = hba->reqs[tag].scp; in hptiop_finish_scsi_req()
731 if (HPT_SCP(scp)->mapped) in hptiop_finish_scsi_req()
732 scsi_dma_unmap(scp); in hptiop_finish_scsi_req()
736 scsi_set_resid(scp, in hptiop_finish_scsi_req()
737 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length)); in hptiop_finish_scsi_req()
738 scp->result = (DID_OK<<16); in hptiop_finish_scsi_req()
741 scp->result = (DID_BAD_TARGET<<16); in hptiop_finish_scsi_req()
744 scp->result = (DID_BUS_BUSY<<16); in hptiop_finish_scsi_req()
747 scp->result = (DID_RESET<<16); in hptiop_finish_scsi_req()
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/linux/arch/mips/cavium-octeon/executive/
H A Docteon-model.c96 /* SCP = No DFA, No zip */ in octeon_model_get_string_buffer()
102 suffix = "SCP"; in octeon_model_get_string_buffer()
306 suffix = "SCP"; in octeon_model_get_string_buffer()
335 suffix = "SCP"; in octeon_model_get_string_buffer()
348 suffix = "SCP"; in octeon_model_get_string_buffer()
363 suffix = "SCP"; in octeon_model_get_string_buffer()
374 suffix = "SCP"; in octeon_model_get_string_buffer()
383 suffix = "SCP"; in octeon_model_get_string_buffer()
404 suffix = "SCP"; in octeon_model_get_string_buffer()
418 suffix = "SCP"; in octeon_model_get_string_buffer()
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/linux/drivers/scsi/pcmcia/
H A Dsym53c500_cs.c360 struct sym53c500_cmd_priv *scp = scsi_cmd_priv(curSC); in SYM53C500_intr() local
407 if (scp->phase != message_in) { /* Unexpected disconnect */ in SYM53C500_intr()
410 curSC->result = (scp->status & 0xff) | in SYM53C500_intr()
411 ((scp->message & 0xff) << 8) | (DID_OK << 16); in SYM53C500_intr()
422 scp->phase = data_out; in SYM53C500_intr()
441 scp->phase = data_in; in SYM53C500_intr()
456 scp->phase = command_ph; in SYM53C500_intr()
461 scp->phase = status_ph; in SYM53C500_intr()
474 scp->phase = message_out; in SYM53C500_intr()
481 scp->phase = message_in; in SYM53C500_intr()
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/linux/arch/arm64/boot/dts/arm/
H A Djuno-scmi.dtsi201 /delete-node/ scp-sram@0;
202 /delete-node/ scp-sram@200;
204 cpu_scp_lpri0: scp-sram@0 {
209 cpu_scp_lpri1: scp-sram@80 {
214 cpu_scp_hpri0: scp-sram@100 {
219 cpu_scp_hpri1: scp-sram@180 {
/linux/drivers/pmdomain/arm/
H A DKconfig9 enabled or disabled via the SCP firmware.
21 enabled or disabled via the SCP firmware
34 enabled or disabled via the SCP firmware
/linux/Documentation/devicetree/bindings/firmware/
H A Darm,scpi.yaml15 0922B ("ARM Compute Subsystem SCP: Message Interface Protocols")[0] can be
43 by remote SCP firmware for use by SCPI message protocol should be
224 cpu_scp_lpri: scp-sram-section@0 {
225 compatible = "arm,scp-shmem";
229 cpu_scp_hpri: scp-sram-section@200 {
230 compatible = "arm,scp-shmem";
/linux/Documentation/hwmon/
H A Dscpi-hwmon.rst18 System Control Processor (SCP) implementing the System Control
20 by the SCP:
27 The SCP interface provides an API to query the available sensors and
/linux/Documentation/devicetree/bindings/rtc/
H A Damlogic,meson-vrtc.yaml17 application processors (AP) and the secure co-processor (SCP.) When
18 the AP suspends, the SCP will use the value of this register to
20 the SCP will wake up and will then wake the AP.
/linux/Documentation/scsi/
H A Dscsi_mid_low_api.rst652 * @scp: identifies command timing out
673 int eh_timed_out(struct scsi_cmnd * scp)
677 * eh_abort_handler - abort command associated with scp
678 * @scp: identifies command to be aborted
690 int eh_abort_handler(struct scsi_cmnd * scp)
695 * @scp: SCSI bus that contains this device should be reset
708 int eh_bus_reset_handler(struct scsi_cmnd * scp)
713 * @scp: identifies SCSI device to be reset
726 int eh_device_reset_handler(struct scsi_cmnd * scp)
731 * @scp: SCSI host that contains this device should be reset
[all …]
/linux/include/linux/
H A Dsrcutree.h245 struct srcu_ctr __percpu *scp = READ_ONCE(ssp->srcu_ctrp); in __srcu_read_lock_fast() local
249 this_cpu_inc(scp->srcu_locks.counter); /* Y */ in __srcu_read_lock_fast()
251 atomic_long_inc(raw_cpu_ptr(&scp->srcu_locks)); /* Z */ in __srcu_read_lock_fast()
253 return scp; in __srcu_read_lock_fast()
271 static inline void __srcu_read_unlock_fast(struct srcu_struct *ssp, struct srcu_ctr __percpu *scp) in __srcu_read_unlock_fast() argument
275 this_cpu_inc(scp->srcu_unlocks.counter); /* Z */ in __srcu_read_unlock_fast()
277 atomic_long_inc(raw_cpu_ptr(&scp->srcu_unlocks)); /* Z */ in __srcu_read_unlock_fast()
/linux/tools/sound/
H A Ddapm-graph39 -r REMOTE_TARGET Get DAPM state from REMOTE_TARGET via SSH and SCP
60 # into a tarball and get the tarball via SCP into $3/dapm.tar
62 # $1 = target as used by ssh and scp, e.g. "root@192.168.1.1"
67 # Requires an ssh+scp server, find and tar+gz on the target
69 # Note: the tarball is needed because plain 'scp -r' from debugfs would
83 scp -q "${1}:${3}/dapm.tar" "${3}"
/linux/drivers/watchdog/
H A Dmarvell_gti_wdt.c20 * 2) Interrupt + del3t (Interrupt to firmware (SCP processor)).
22 * This will generate interrupt to SCP processor on 2nd timeout happens
24 * 3) Interrupt + Interrupt to SCP processor (called delt3t) + reboot.
26 * Will generate interrupt to SCP processor on 2nd timeout happens,
31 * a hardware hang. Also h/w is configured not to generate SCP interrupt, so
126 /* Set (Interrupt + SCP interrupt (DEL3T) + core domain reset) Mode */ in gti_wdt_start()

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