/* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland * License terms: GNU General Public License (GPL) version 2 */ #define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__ #include #include #include #include #include #include #define container_obj(layr) ((struct cfsrvl *) layr) #define DGM_CMD_BIT 0x80 #define DGM_FLOW_OFF 0x81 #define DGM_FLOW_ON 0x80 #define DGM_MTU 1500 static int cfdgml_receive(struct cflayer *layr, struct cfpkt *pkt); static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfdgml_create(u8 channel_id, struct dev_info *dev_info) { struct cfsrvl *dgm = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); if (!dgm) return NULL; caif_assert(offsetof(struct cfsrvl, layer) == 0); cfsrvl_init(dgm, channel_id, dev_info, true); dgm->layer.receive = cfdgml_receive; dgm->layer.transmit = cfdgml_transmit; snprintf(dgm->layer.name, CAIF_LAYER_NAME_SZ - 1, "dgm%d", channel_id); dgm->layer.name[CAIF_LAYER_NAME_SZ - 1] = '\0'; return &dgm->layer; } static int cfdgml_receive(struct cflayer *layr, struct cfpkt *pkt) { u8 cmd = -1; u8 dgmhdr[3]; int ret; caif_assert(layr->up != NULL); caif_assert(layr->receive != NULL); caif_assert(layr->ctrlcmd != NULL); if (cfpkt_extr_head(pkt, &cmd, 1) < 0) { pr_err("Packet is erroneous!\n"); cfpkt_destroy(pkt); return -EPROTO; } if ((cmd & DGM_CMD_BIT) == 0) { if (cfpkt_extr_head(pkt, &dgmhdr, 3) < 0) { pr_err("Packet is erroneous!\n"); cfpkt_destroy(pkt); return -EPROTO; } ret = layr->up->receive(layr->up, pkt); return ret; } switch (cmd) { case DGM_FLOW_OFF: /* FLOW OFF */ layr->ctrlcmd(layr, CAIF_CTRLCMD_FLOW_OFF_IND, 0); cfpkt_destroy(pkt); return 0; case DGM_FLOW_ON: /* FLOW ON */ layr->ctrlcmd(layr, CAIF_CTRLCMD_FLOW_ON_IND, 0); cfpkt_destroy(pkt); return 0; default: cfpkt_destroy(pkt); pr_info("Unknown datagram control %d (0x%x)\n", cmd, cmd); return -EPROTO; } } static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt) { u8 packet_type; u32 zero = 0; struct caif_payload_info *info; struct cfsrvl *service = container_obj(layr); int ret; if (!cfsrvl_ready(service, &ret)) { cfpkt_destroy(pkt); return ret; } /* STE Modem cannot handle more than 1500 bytes datagrams */ if (cfpkt_getlen(pkt) > DGM_MTU) { cfpkt_destroy(pkt); return -EMSGSIZE; } cfpkt_add_head(pkt, &zero, 3); packet_type = 0x08; /* B9 set - UNCLASSIFIED */ cfpkt_add_head(pkt, &packet_type, 1); /* Add info for MUX-layer to route the packet out. */ info = cfpkt_info(pkt); info->channel_id = service->layer.id; /* To optimize alignment, we add up the size of CAIF header * before payload. */ info->hdr_len = 4; info->dev_info = &service->dev_info; return layr->dn->transmit(layr->dn, pkt); } mit/include/trace?id=9b02c54bc951fca884ba5719f42a27e8240965bf'>trace/events
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authorMarkus Mayer <mmayer@broadcom.com>2016-12-19 12:10:27 -0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-01-27 11:43:48 +0100
commit9b02c54bc951fca884ba5719f42a27e8240965bf (patch)
tree68292e54c6d3482d6b55fc31b3ab9519307b255a /include/trace/events
parent7a308bb3016f57e5be11a677d15b821536419d36 (diff)
cpufreq: brcmstb-avs-cpufreq: extend sysfs entry brcm_avs_pmap
We extend the brcm_avs_pmap sysfs entry (which issues the GET_PMAP command to AVS) to include all fields from struct pmap. This means adding mode (AVS, DVS, DVFS) and state (the P-state) to the output. Signed-off-by: Markus Mayer <mmayer@broadcom.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/trace/events')