static int debug_modem_err(char *buf, int max)
{
char *x;
int size;
int i = 0;
x = smem_find(ID_DIAG_ERR_MSG, SZ_DIAG_ERR_MSG);
if (x != 0) {
x[SZ_DIAG_ERR_MSG - 1] = 0;
i += scnprintf(buf + i, max - i,
"smem: DIAG '%s'\n", x);
}
x = smem_get_entry(SMEM_ERR_CRASH_LOG, &size);
if (x != 0) {
x[size - 1] = 0;
i += scnprintf(buf + i, max - i,
"smem: CRASH LOG\n'%s'\n", x);
}
i += scnprintf(buf + i, max - i, "\n");
return i;
}
static int debug_read_alloc_tbl(char *buf, int max)
{
struct smd_alloc_elm *shared;
int n, i = 0;
shared = smem_find(ID_CH_ALLOC_TBL, sizeof(struct smd_alloc_elm[64]));
if (!shared)
return 0;
for (n = 0; n < 64; n++) {
i += scnprintf(buf + i, max - i,
"name=%s cid=%d ch type=%d "
"xfer type=%d ref_count=%d\n",
shared[n].name,
shared[n].cid,
SMD_CHANNEL_TYPE(shared[n].type),
SMD_XFER_TYPE(shared[n].type),
shared[n].ref_count);
}
return i;
}
static int debug_read_smsm_state(char *buf, int max)
{
uint32_t *smsm;
int n, i = 0;
smsm = smem_find(ID_SHARED_STATE,
SMSM_NUM_ENTRIES * sizeof(uint32_t));
if (smsm)
for (n = 0; n < SMSM_NUM_ENTRIES; n++)
i += scnprintf(buf + i, max - i, "entry %d: 0x%08x\n",
n, smsm[n]);
#if CONFIG_SMD_OFFSET_TCXO_STAT
if (sleep_stat) {
i += scnprintf(buf + i, max - i,
"tcxo_time: 0x%x (%ds) tcxo_cnt: %d\n"
"suspend_tcxo_time: 0x%x (%ds) suspend_tcxo_cnt: %d\n"
"garbage_pkt_cnt: %d "
"zone_based_reg_cnt: %d "
"idle_hand_off_cnt: %d "
"mo_2g_probe_cnt: %d "
"mo_3g_probe_cnt: %d\n",
sleep_stat->tcxo_time, sleep_stat->tcxo_time >> 15,
sleep_stat->tcxo_cnt, sleep_stat->suspend_tcxo_time,
sleep_stat->suspend_tcxo_time >> 15,
sleep_stat->suspend_tcxo_cnt,
sleep_stat->garbage_pkt_cnt,
sleep_stat->zone_based_reg_cnt,
sleep_stat->idle_hand_off_cnt,
sleep_stat->mo_2g_probe_cnt,
sleep_stat->mo_3g_probe_cnt);
}
#endif
return i;
}
/**
* print_smd_ch_table - Print the current state of every valid SMD channel in a
* specific SMD channel allocation table to a human
* readable formatted output.
*
* @s: the sequential file to print to
* @tbl: a valid pointer to the channel allocation table to print from
* @num_tbl_entries: total number of entries in the table referenced by @tbl
* @ch_base_id: the SMEM item id corresponding to the array of channel
* structures for the channels found in @tbl
* @fifo_base_id: the SMEM item id corresponding to the array of channel fifos
* for the channels found in @tbl
* @pid: processor id to use for any SMEM operations
* @flags: flags to use for any SMEM operations
*/
static void print_smd_ch_table(struct seq_file *s,
struct smd_alloc_elm *tbl,
unsigned num_tbl_entries,
unsigned ch_base_id,
unsigned fifo_base_id,
unsigned pid,
unsigned flags)
{
void *half_ch;
unsigned half_ch_size;
uint32_t ch_type;
void *buffer;
unsigned buffer_size;
int n;
/*
* formatted, human readable channel state output, ie:
ID|CHANNEL NAME |T|PROC |STATE |FIFO SZ|RDPTR |WRPTR |FLAGS |DATAPEN
-------------------------------------------------------------------------------
00|DS |S|APPS |CLOSED |0x02000|0x00000|0x00000|dcCiwrsb|0x00000
| | |MDMSW|OPENING|0x02000|0x00000|0x00000|dcCiwrsb|0x00000
-------------------------------------------------------------------------------
*/
seq_printf(s, "%2s|%-19s|%1s|%-5s|%-7s|%-7s|%-7s|%-7s|%-8s|%-7s\n",
"ID",
"CHANNEL NAME",
"T",
"PROC",
"STATE",
"FIFO SZ",
"RDPTR",
"WRPTR",
"FLAGS",
"DATAPEN");
seq_puts(s,
"-------------------------------------------------------------------------------\n");
for (n = 0; n < num_tbl_entries; ++n) {
if (strlen(tbl[n].name) == 0)
continue;
seq_printf(s, "%2u|%-19s|%s|", tbl[n].cid, tbl[n].name,
smd_xfer_type_to_str(SMD_XFER_TYPE(tbl[n].type)));
ch_type = SMD_CHANNEL_TYPE(tbl[n].type);
if (is_word_access_ch(ch_type))
half_ch_size =
sizeof(struct smd_half_channel_word_access);
else
half_ch_size = sizeof(struct smd_half_channel);
half_ch = smem_find(ch_base_id + n, 2 * half_ch_size,
pid, flags);
buffer = smem_get_entry(fifo_base_id + n, &buffer_size,
pid, flags);
if (half_ch && buffer)
print_half_ch_state(s,
half_ch,
get_half_ch_funcs(ch_type),
buffer_size / 2,
smd_edge_to_local_pid(ch_type));
seq_puts(s, "\n");
seq_printf(s, "%2s|%-19s|%1s|", "", "", "");
if (half_ch && buffer)
print_half_ch_state(s,
half_ch + half_ch_size,
get_half_ch_funcs(ch_type),
buffer_size / 2,
smd_edge_to_remote_pid(ch_type));
seq_puts(s, "\n");
seq_puts(s,
"-------------------------------------------------------------------------------\n");
}
}
void smsm_print_sleep_info(unsigned wakeup_reason_only)
{
unsigned long flags;
uint32_t *ptr;
#if defined(CONFIG_MSM_N_WAY_SMD)
struct msm_dem_slave_data *smd_int_info;
#else
struct tramp_gpio_smem *gpio;
struct smsm_interrupt_info *int_info;
#endif
spin_lock_irqsave(&smem_lock, flags);
if (!wakeup_reason_only) {
ptr = smem_alloc(SMEM_SMSM_SLEEP_DELAY, sizeof(*ptr));
if (ptr)
pr_info("SMEM_SMSM_SLEEP_DELAY: %x\n", *ptr);
ptr = smem_alloc(SMEM_SMSM_LIMIT_SLEEP, sizeof(*ptr));
if (ptr)
pr_info("SMEM_SMSM_LIMIT_SLEEP: %x\n", *ptr);
ptr = smem_alloc(SMEM_SLEEP_POWER_COLLAPSE_DISABLED, sizeof(*ptr));
if (ptr)
pr_info("SMEM_SLEEP_POWER_COLLAPSE_DISABLED: %x\n", *ptr);
}
#if !defined(CONFIG_MSM_N_WAY_SMD)
int_info = smem_alloc(SMEM_SMSM_INT_INFO, sizeof(*int_info));
if (int_info)
pr_info("SMEM_SMSM_INT_INFO %x %x %x\n",
int_info->interrupt_mask,
int_info->pending_interrupts,
int_info->wakeup_reason);
gpio = smem_alloc(SMEM_GPIO_INT, sizeof(*gpio));
if (gpio) {
int i;
if (!wakeup_reason_only) {
for (i = 0; i < NUM_GPIO_INT_REGISTERS; i++)
pr_info("SMEM_GPIO_INT: %d: e %x d %x p %x\n",
i, gpio->enabled[i], gpio->detection[i],
gpio->polarity[i]);
}
for (i = 0; i < GPIO_SMEM_NUM_GROUPS; i++)
pr_info("SMEM_GPIO_INT: %d: f %d: %d %d...\n",
i, gpio->num_fired[i], gpio->fired[i][0],
gpio->fired[i][1]);
}
#else
smd_int_info = smem_find(SMEM_APPS_DEM_SLAVE_DATA, sizeof(*smd_int_info));
if (smd_int_info) {
pr_info("SMEM_APPS_DEM_SLAVE_DATA: %ds %x %x %x %x %x %x %x %s %x\n",
smd_int_info->sleep_time / 32768,
smd_int_info->interrupt_mask,
smd_int_info->resources_used,
smd_int_info->reserved1,
smd_int_info->wakeup_reason,
smd_int_info->pending_interrupts,
smd_int_info->rpc_prog,
smd_int_info->rpc_proc,
smd_int_info->smd_port_name,
smd_int_info->reserved2);
}
#endif
spin_unlock_irqrestore(&smem_lock, flags);
}