103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland/* arch/arm/mach-msm/smd_debug.c 203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * 303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * Copyright (C) 2007 Google, Inc. 403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * Author: Brian Swetland <swetland@google.com> 503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * 603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * This software is licensed under the terms of the GNU General Public 703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * License version 2, as published by the Free Software Foundation, and 803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * may be copied, distributed, and modified under those terms. 903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * 1003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * This program is distributed in the hope that it will be useful, 1103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * but WITHOUT ANY WARRANTY; without even the implied warranty of 1203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * GNU General Public License for more details. 1403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland * 1503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland */ 1603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 1703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#include <linux/debugfs.h> 1803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#include <linux/list.h> 1903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 2003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#include <mach/msm_iomap.h> 2103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 2203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#include "smd_private.h" 2303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 2403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#if defined(CONFIG_DEBUG_FS) 2503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 2603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic char *chstate(unsigned n) 2703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 2803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland switch (n) { 2903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland case SMD_SS_CLOSED: 3003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "CLOSED"; 3103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland case SMD_SS_OPENING: 3203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "OPENING"; 3303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland case SMD_SS_OPENED: 3403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "OPENED"; 3503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland case SMD_SS_FLUSHING: 3603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "FLUSHING"; 3703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland case SMD_SS_CLOSING: 3803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "CLOSING"; 3903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland case SMD_SS_RESET: 4003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "RESET"; 4103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland case SMD_SS_RESET_OPENING: 4203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "ROPENING"; 4303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland default: 4403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return "UNKNOWN"; 4503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland } 4603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 4703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 4803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 4903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic int dump_ch(char *buf, int max, struct smd_channel *ch) 5003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 5103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland volatile struct smd_half_channel *s = ch->send; 5203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland volatile struct smd_half_channel *r = ch->recv; 5303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 5403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return scnprintf( 5503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland buf, max, 5603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland "ch%02d:" 5703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland " %8s(%05d/%05d) %c%c%c%c%c%c%c <->" 5837521a3181123dc4a9584cc4b8572c08ea0a8274Brian Swetland " %8s(%05d/%05d) %c%c%c%c%c%c%c '%s'\n", ch->n, 5903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland chstate(s->state), s->tail, s->head, 6003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland s->fDSR ? 'D' : 'd', 6103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland s->fCTS ? 'C' : 'c', 6203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland s->fCD ? 'C' : 'c', 6303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland s->fRI ? 'I' : 'i', 6403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland s->fHEAD ? 'W' : 'w', 6503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland s->fTAIL ? 'R' : 'r', 6603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland s->fSTATE ? 'S' : 's', 6703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland chstate(r->state), r->tail, r->head, 6803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland r->fDSR ? 'D' : 'd', 6903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland r->fCTS ? 'R' : 'r', 7003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland r->fCD ? 'C' : 'c', 7103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland r->fRI ? 'I' : 'i', 7203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland r->fHEAD ? 'W' : 'w', 7303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland r->fTAIL ? 'R' : 'r', 7437521a3181123dc4a9584cc4b8572c08ea0a8274Brian Swetland r->fSTATE ? 'S' : 's', 7537521a3181123dc4a9584cc4b8572c08ea0a8274Brian Swetland ch->name 7603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland ); 7703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 7803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 7903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic int debug_read_stat(char *buf, int max) 8003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 8103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland char *msg; 8203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int i = 0; 8303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 8403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland msg = smem_find(ID_DIAG_ERR_MSG, SZ_DIAG_ERR_MSG); 8503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 8603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (raw_smsm_get_state(SMSM_STATE_MODEM) & SMSM_RESET) 8703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += scnprintf(buf + i, max - i, 8803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland "smsm: ARM9 HAS CRASHED\n"); 8903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 9003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += scnprintf(buf + i, max - i, "smsm: a9: %08x a11: %08x\n", 9103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland raw_smsm_get_state(SMSM_STATE_MODEM), 9203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland raw_smsm_get_state(SMSM_STATE_APPS)); 9303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#ifdef CONFIG_ARCH_MSM_SCORPION 9403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += scnprintf(buf + i, max - i, "smsm dem: apps: %08x modem: %08x " 9503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland "qdsp6: %08x power: %08x time: %08x\n", 9603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland raw_smsm_get_state(SMSM_STATE_APPS_DEM), 9703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland raw_smsm_get_state(SMSM_STATE_MODEM_DEM), 9803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland raw_smsm_get_state(SMSM_STATE_QDSP6_DEM), 9903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland raw_smsm_get_state(SMSM_STATE_POWER_MASTER_DEM), 10003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland raw_smsm_get_state(SMSM_STATE_TIME_MASTER_DEM)); 10103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#endif 10203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (msg) { 10303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland msg[SZ_DIAG_ERR_MSG - 1] = 0; 10403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += scnprintf(buf + i, max - i, "diag: '%s'\n", msg); 10503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland } 10603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return i; 10703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 10803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 10903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic int debug_read_mem(char *buf, int max) 11003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 11103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned n; 11203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE; 11303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct smem_heap_entry *toc = shared->heap_toc; 11403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int i = 0; 11503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 11603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += scnprintf(buf + i, max - i, 11703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland "heap: init=%d free=%d remain=%d\n", 11803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland shared->heap_info.initialized, 11903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland shared->heap_info.free_offset, 12003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland shared->heap_info.heap_remaining); 12103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 12203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland for (n = 0; n < SMEM_NUM_ITEMS; n++) { 12303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (toc[n].allocated == 0) 12403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland continue; 12503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += scnprintf(buf + i, max - i, 12603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland "%04d: offset %08x size %08x\n", 12703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland n, toc[n].offset, toc[n].size); 12803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland } 12903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return i; 13003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 13103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 13203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic int debug_read_ch(char *buf, int max) 13303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 13403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct smd_channel *ch; 13503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned long flags; 13603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int i = 0; 13703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 13803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland spin_lock_irqsave(&smd_lock, flags); 13937521a3181123dc4a9584cc4b8572c08ea0a8274Brian Swetland list_for_each_entry(ch, &smd_ch_list_dsp, ch_list) 14037521a3181123dc4a9584cc4b8572c08ea0a8274Brian Swetland i += dump_ch(buf + i, max - i, ch); 14137521a3181123dc4a9584cc4b8572c08ea0a8274Brian Swetland list_for_each_entry(ch, &smd_ch_list_modem, ch_list) 14203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += dump_ch(buf + i, max - i, ch); 14303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland list_for_each_entry(ch, &smd_ch_closed_list, ch_list) 14403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += dump_ch(buf + i, max - i, ch); 14503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland spin_unlock_irqrestore(&smd_lock, flags); 14603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 14703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return i; 14803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 14903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 15003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic int debug_read_version(char *buf, int max) 15103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 15203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE; 15303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned version = shared->version[VERSION_MODEM]; 15403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return sprintf(buf, "%d.%d\n", version >> 16, version & 0xffff); 15503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 15603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 15703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic int debug_read_build_id(char *buf, int max) 15803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 15903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned size; 16003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland void *data; 16103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 16203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland data = smem_item(SMEM_HW_SW_BUILD_ID, &size); 16303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (!data) 16403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return 0; 16503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 16603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (size >= max) 16703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland size = max; 16803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland memcpy(buf, data, size); 16903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 17003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return size; 17103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 17203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 17303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic int debug_read_alloc_tbl(char *buf, int max) 17403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 17503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct smd_alloc_elm *shared; 17603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int n, i = 0; 17703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 17803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland shared = smem_find(ID_CH_ALLOC_TBL, sizeof(*shared) * 64); 17903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 18003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland for (n = 0; n < 64; n++) { 18103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (shared[n].ref_count == 0) 18203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland continue; 18303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i += scnprintf(buf + i, max - i, 18403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland "%03d: %-20s cid=%02d type=%03d " 18503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland "kind=%02d ref_count=%d\n", 18603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland n, shared[n].name, shared[n].cid, 18703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland shared[n].ctype & 0xff, 18803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland (shared[n].ctype >> 8) & 0xf, 18903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland shared[n].ref_count); 19003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland } 19103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 19203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return i; 19303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 19403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 19503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#define DEBUG_BUFMAX 4096 19603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic char debug_buffer[DEBUG_BUFMAX]; 19703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 19803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic ssize_t debug_read(struct file *file, char __user *buf, 19903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland size_t count, loff_t *ppos) 20003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 20103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int (*fill)(char *buf, int max) = file->private_data; 20203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int bsize = fill(debug_buffer, DEBUG_BUFMAX); 20303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland return simple_read_from_buffer(buf, count, ppos, debug_buffer, bsize); 20403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 20503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 20603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstatic const struct file_operations debug_ops = { 20703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland .read = debug_read, 208234e340582901211f40d8c732afc49f0630ecf05Stephen Boyd .open = simple_open, 2096038f373a3dc1f1c26496e60b6c40b164716f07eArnd Bergmann .llseek = default_llseek, 21003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland}; 21103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 212f4ae40a6a50a98ac23d4b285f739455e926a473eAl Virostatic void debug_create(const char *name, umode_t mode, 21303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct dentry *dent, 21403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int (*fill)(char *buf, int max)) 21503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 21603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland debugfs_create_file(name, mode, dent, fill, &debug_ops); 21703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 21803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 219c633c531f8afbcfd422409c3350b8dc55baa485eShawn Guoint __init smd_debugfs_init(void) 22003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 22103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct dentry *dent; 22203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 22303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland dent = debugfs_create_dir("smd", 0); 22403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (IS_ERR(dent)) 225869a2a09e40529f2f3614893c98b27a87a33eaa6Daniel Walker return 1; 22603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 22703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland debug_create("ch", 0444, dent, debug_read_ch); 22803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland debug_create("stat", 0444, dent, debug_read_stat); 22903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland debug_create("mem", 0444, dent, debug_read_mem); 23003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland debug_create("version", 0444, dent, debug_read_version); 23103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland debug_create("tbl", 0444, dent, debug_read_alloc_tbl); 23203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland debug_create("build", 0444, dent, debug_read_build_id); 233869a2a09e40529f2f3614893c98b27a87a33eaa6Daniel Walker 234869a2a09e40529f2f3614893c98b27a87a33eaa6Daniel Walker return 0; 23503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 23603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 23703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#endif 23803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 23903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 24003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#define MAX_NUM_SLEEP_CLIENTS 64 24103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#define MAX_SLEEP_NAME_LEN 8 24203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 24303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#define NUM_GPIO_INT_REGISTERS 6 24403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#define GPIO_SMEM_NUM_GROUPS 2 24503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#define GPIO_SMEM_MAX_PC_INTERRUPTS 8 24603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 24703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstruct tramp_gpio_save { 24803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned int enable; 24903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned int detect; 25003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned int polarity; 25103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland}; 25203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 25303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandstruct tramp_gpio_smem { 25403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland uint16_t num_fired[GPIO_SMEM_NUM_GROUPS]; 25503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland uint16_t fired[GPIO_SMEM_NUM_GROUPS][GPIO_SMEM_MAX_PC_INTERRUPTS]; 25603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland uint32_t enabled[NUM_GPIO_INT_REGISTERS]; 25703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland uint32_t detection[NUM_GPIO_INT_REGISTERS]; 25803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland uint32_t polarity[NUM_GPIO_INT_REGISTERS]; 25903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland}; 26003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 26103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 26203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetlandvoid smsm_print_sleep_info(void) 26303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland{ 26403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland unsigned long flags; 26503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland uint32_t *ptr; 266d2c5d2145f127fffb7498bee943a480de66910ffDavid Brown#ifndef CONFIG_ARCH_MSM_SCORPION 26703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct tramp_gpio_smem *gpio; 26803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland struct smsm_interrupt_info *int_info; 269d2c5d2145f127fffb7498bee943a480de66910ffDavid Brown#endif 27003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 27103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 27203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland spin_lock_irqsave(&smem_lock, flags); 27303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 27403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland ptr = smem_alloc(SMEM_SMSM_SLEEP_DELAY, sizeof(*ptr)); 27503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (ptr) 27603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland pr_info("SMEM_SMSM_SLEEP_DELAY: %x\n", *ptr); 27703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 27803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland ptr = smem_alloc(SMEM_SMSM_LIMIT_SLEEP, sizeof(*ptr)); 27903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (ptr) 28003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland pr_info("SMEM_SMSM_LIMIT_SLEEP: %x\n", *ptr); 28103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 28203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland ptr = smem_alloc(SMEM_SLEEP_POWER_COLLAPSE_DISABLED, sizeof(*ptr)); 28303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (ptr) 28403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland pr_info("SMEM_SLEEP_POWER_COLLAPSE_DISABLED: %x\n", *ptr); 28503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 28603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#ifndef CONFIG_ARCH_MSM_SCORPION 28703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int_info = smem_alloc(SMEM_SMSM_INT_INFO, sizeof(*int_info)); 28803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (int_info) 28903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland pr_info("SMEM_SMSM_INT_INFO %x %x %x\n", 29003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int_info->interrupt_mask, 29103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int_info->pending_interrupts, 29203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int_info->wakeup_reason); 29303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 29403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland gpio = smem_alloc(SMEM_GPIO_INT, sizeof(*gpio)); 29503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland if (gpio) { 29603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland int i; 29703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland for (i = 0; i < NUM_GPIO_INT_REGISTERS; i++) 29803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland pr_info("SMEM_GPIO_INT: %d: e %x d %x p %x\n", 29903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i, gpio->enabled[i], gpio->detection[i], 30003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland gpio->polarity[i]); 30103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 30203e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland for (i = 0; i < GPIO_SMEM_NUM_GROUPS; i++) 30303e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland pr_info("SMEM_GPIO_INT: %d: f %d: %d %d...\n", 30403e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland i, gpio->num_fired[i], gpio->fired[i][0], 30503e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland gpio->fired[i][1]); 30603e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland } 30703e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#else 30803e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland#endif 30903e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland spin_unlock_irqrestore(&smem_lock, flags); 31003e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland} 31103e00cd350c6636b5f2a9854609fea93a5c7b677Brian Swetland 312