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msm: smd: initial support for smd v2 

- support both v2 and v1 style smd channels
- support both v2 and v1 smsm shared state
- update smsm state defines and smem item enum
- prep work for dealing with smd to qdsp6
- simplify some smem access to minimize use of smem_alloc() at runtime

Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
This commit is contained in:
Brian Swetland 2009-04-26 18:38:49 -07:00 committed by Daniel Walker
parent 4d4fb2660d
commit 5b0f5a3f60
2 changed files with 312 additions and 188 deletions
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424
arch/arm/mach-msm/smd.c
View File

@ -46,10 +46,26 @@ enum {
static int msm_smd_debug_mask;
struct shared_info
{
int ready;
unsigned state_apps;
unsigned state_modem;
};
static unsigned dummy_state_apps;
static unsigned dummy_state_modem;
static struct shared_info smd_info = {
.state_apps = (unsigned) &dummy_state_apps,
.state_modem = (unsigned) &dummy_state_modem,
};
module_param_named(debug_mask, msm_smd_debug_mask,
int, S_IRUGO | S_IWUSR | S_IWGRP);
void *smem_find(unsigned id, unsigned size);
static void *smem_item(unsigned id, unsigned *size);
static void smd_diag(void);
static unsigned last_heap_free = 0xffffffff;
@ -61,11 +77,16 @@ static inline void notify_other_smsm(void)
writel(1, MSM_A2M_INT(5));
}
static inline void notify_other_smd(void)
static inline void notify_modem_smd(void)
{
writel(1, MSM_A2M_INT(0));
}
static inline void notify_dsp_smd(void)
{
writel(1, MSM_A2M_INT(8));
}
static void smd_diag(void)
{
char *x;
@ -96,34 +117,25 @@ extern int (*msm_check_for_modem_crash)(void);
static int check_for_modem_crash(void)
{
struct smsm_shared *smsm;
smsm = smem_find(ID_SHARED_STATE, 2 * sizeof(struct smsm_shared));
/* if the modem's not ready yet, we have to hope for the best */
if (!smsm)
return 0;
if (smsm[1].state & SMSM_RESET) {
if (readl(smd_info.state_modem) & SMSM_RESET) {
handle_modem_crash();
return -1;
} else {
return 0;
}
return 0;
}
#define SMD_SS_CLOSED 0x00000000
#define SMD_SS_OPENING 0x00000001
#define SMD_SS_OPENED 0x00000002
#define SMD_SS_FLUSHING 0x00000003
#define SMD_SS_CLOSING 0x00000004
#define SMD_SS_RESET 0x00000005
#define SMD_SS_RESET_OPENING 0x00000006
#define SMD_SS_CLOSED 0x00000000
#define SMD_SS_OPENING 0x00000001
#define SMD_SS_OPENED 0x00000002
#define SMD_SS_FLUSHING 0x00000003
#define SMD_SS_CLOSING 0x00000004
#define SMD_SS_RESET 0x00000005
#define SMD_SS_RESET_OPENING 0x00000006
#define SMD_BUF_SIZE 8192
#define SMD_CHANNELS 64
#define SMD_BUF_SIZE 8192
#define SMD_CHANNELS 64
#define SMD_HEADER_SIZE 20
#define SMD_HEADER_SIZE 20
/* the spinlock is used to synchronize between the
@ -160,21 +172,33 @@ struct smd_half_channel {
unsigned char fUNUSED;
unsigned tail;
unsigned head;
unsigned char data[SMD_BUF_SIZE];
} __attribute__((packed));
struct smd_shared_v1 {
struct smd_half_channel ch0;
unsigned char data0[SMD_BUF_SIZE];
struct smd_half_channel ch1;
unsigned char data1[SMD_BUF_SIZE];
};
struct smd_shared {
struct smd_shared_v2 {
struct smd_half_channel ch0;
struct smd_half_channel ch1;
};
};
struct smd_channel {
volatile struct smd_half_channel *send;
volatile struct smd_half_channel *recv;
struct list_head ch_list;
unsigned char *send_data;
unsigned char *recv_data;
unsigned fifo_mask;
unsigned fifo_size;
unsigned current_packet;
unsigned n;
struct list_head ch_list;
void *priv;
void (*notify)(void *priv, unsigned flags);
@ -185,22 +209,35 @@ struct smd_channel {
void (*update_state)(smd_channel_t *ch);
unsigned last_state;
void (*notify_other_cpu)(void);
unsigned type;
char name[32];
struct platform_device pdev;
};
static LIST_HEAD(smd_ch_closed_list);
static LIST_HEAD(smd_ch_list);
static LIST_HEAD(smd_ch_list); /* todo: per-target lists */
static unsigned char smd_ch_allocated[64];
static struct work_struct probe_work;
#define SMD_TYPE_MASK 0x0FF
#define SMD_TYPE_APPS_MODEM 0x000
#define SMD_TYPE_APPS_DSP 0x001
#define SMD_TYPE_MODEM_DSP 0x002
#define SMD_KIND_MASK 0xF00
#define SMD_KIND_UNKNOWN 0x000
#define SMD_KIND_STREAM 0x100
#define SMD_KIND_PACKET 0x200
static void smd_alloc_channel(const char *name, uint32_t cid, uint32_t type);
static void smd_channel_probe_worker(struct work_struct *work)
{
struct smd_alloc_elm *shared;
unsigned type;
unsigned n;
shared = smem_find(ID_CH_ALLOC_TBL, sizeof(*shared) * 64);
@ -215,9 +252,12 @@ static void smd_channel_probe_worker(struct work_struct *work)
continue;
if (!shared[n].name[0])
continue;
smd_alloc_channel(shared[n].name,
shared[n].cid,
shared[n].ctype);
type = shared[n].ctype & SMD_TYPE_MASK;
if ((type == SMD_TYPE_APPS_MODEM) ||
(type == SMD_TYPE_APPS_DSP))
smd_alloc_channel(shared[n].name,
shared[n].cid,
shared[n].ctype);
smd_ch_allocated[n] = 1;
}
}
@ -247,14 +287,14 @@ static char *chstate(unsigned n)
/* how many bytes are available for reading */
static int smd_stream_read_avail(struct smd_channel *ch)
{
return (ch->recv->head - ch->recv->tail) & (SMD_BUF_SIZE - 1);
return (ch->recv->head - ch->recv->tail) & ch->fifo_mask;
}
/* how many bytes we are free to write */
static int smd_stream_write_avail(struct smd_channel *ch)
{
return (SMD_BUF_SIZE - 1) -
((ch->send->head - ch->send->tail) & (SMD_BUF_SIZE - 1));
return ch->fifo_mask -
((ch->send->head - ch->send->tail) & ch->fifo_mask);
}
static int smd_packet_read_avail(struct smd_channel *ch)
@ -286,19 +326,19 @@ static unsigned ch_read_buffer(struct smd_channel *ch, void **ptr)
{
unsigned head = ch->recv->head;
unsigned tail = ch->recv->tail;
*ptr = (void *) (ch->recv->data + tail);
*ptr = (void *) (ch->recv_data + tail);
if (tail <= head)
return head - tail;
else
return SMD_BUF_SIZE - tail;
return ch->fifo_size - tail;
}
/* advance the fifo read pointer after data from ch_read_buffer is consumed */
static void ch_read_done(struct smd_channel *ch, unsigned count)
{
BUG_ON(count > smd_stream_read_avail(ch));
ch->recv->tail = (ch->recv->tail + count) & (SMD_BUF_SIZE - 1);
ch->recv->tail = (ch->recv->tail + count) & ch->fifo_mask;
ch->recv->fTAIL = 1;
}
@ -360,15 +400,15 @@ static unsigned ch_write_buffer(struct smd_channel *ch, void **ptr)
{
unsigned head = ch->send->head;
unsigned tail = ch->send->tail;
*ptr = (void *) (ch->send->data + head);
*ptr = (void *) (ch->send_data + head);
if (head < tail) {
return tail - head - 1;
} else {
if (tail == 0)
return SMD_BUF_SIZE - head - 1;
return ch->fifo_size - head - 1;
else
return SMD_BUF_SIZE - head;
return ch->fifo_size - head;
}
}
@ -378,24 +418,24 @@ static unsigned ch_write_buffer(struct smd_channel *ch, void **ptr)
static void ch_write_done(struct smd_channel *ch, unsigned count)
{
BUG_ON(count > smd_stream_write_avail(ch));
ch->send->head = (ch->send->head + count) & (SMD_BUF_SIZE - 1);
ch->send->head = (ch->send->head + count) & ch->fifo_mask;
ch->send->fHEAD = 1;
}
static void hc_set_state(volatile struct smd_half_channel *hc, unsigned n)
static void ch_set_state(struct smd_channel *ch, unsigned n)
{
if (n == SMD_SS_OPENED) {
hc->fDSR = 1;
hc->fCTS = 1;
hc->fCD = 1;
ch->send->fDSR = 1;
ch->send->fCTS = 1;
ch->send->fCD = 1;
} else {
hc->fDSR = 0;
hc->fCTS = 0;
hc->fCD = 0;
ch->send->fDSR = 0;
ch->send->fCTS = 0;
ch->send->fCD = 0;
}
hc->state = n;
hc->fSTATE = 1;
notify_other_smd();
ch->send->state = n;
ch->send->fSTATE = 1;
ch->notify_other_cpu();
}
static void do_smd_probe(void)
@ -420,7 +460,7 @@ static void smd_state_change(struct smd_channel *ch,
ch->recv->tail = 0;
case SMD_SS_OPENED:
if (ch->send->state != SMD_SS_OPENED)
hc_set_state(ch->send, SMD_SS_OPENED);
ch_set_state(ch, SMD_SS_OPENED);
ch->notify(ch->priv, SMD_EVENT_OPEN);
break;
case SMD_SS_FLUSHING:
@ -431,7 +471,7 @@ static void smd_state_change(struct smd_channel *ch,
}
}
static irqreturn_t smd_irq_handler(int irq, void *data)
static void handle_smd_irq(struct list_head *list, void (*notify)(void))
{
unsigned long flags;
struct smd_channel *ch;
@ -440,7 +480,7 @@ static irqreturn_t smd_irq_handler(int irq, void *data)
unsigned tmp;
spin_lock_irqsave(&smd_lock, flags);
list_for_each_entry(ch, &smd_ch_list, ch_list) {
list_for_each_entry(ch, list, ch_list) {
ch_flags = 0;
if (ch_is_open(ch)) {
if (ch->recv->fHEAD) {
@ -468,9 +508,14 @@ static irqreturn_t smd_irq_handler(int irq, void *data)
}
}
if (do_notify)
notify_other_smd();
notify();
spin_unlock_irqrestore(&smd_lock, flags);
do_smd_probe();
}
static irqreturn_t smd_irq_handler(int irq, void *data)
{
handle_smd_irq(&smd_ch_list, notify_modem_smd);
return IRQ_HANDLED;
}
@ -553,12 +598,19 @@ void smd_kick(smd_channel_t *ch)
ch->notify(ch->priv, SMD_EVENT_CLOSE);
}
ch->notify(ch->priv, SMD_EVENT_DATA);
notify_other_smd();
ch->notify_other_cpu();
spin_unlock_irqrestore(&smd_lock, flags);
}
static int smd_is_packet(int chn)
static int smd_is_packet(int chn, unsigned type)
{
type &= SMD_KIND_MASK;
if (type == SMD_KIND_PACKET)
return 1;
if (type == SMD_KIND_STREAM)
return 0;
/* older AMSS reports SMD_KIND_UNKNOWN always */
if ((chn > 4) || (chn == 1))
return 1;
else
@ -588,7 +640,7 @@ static int smd_stream_write(smd_channel_t *ch, const void *_data, int len)
break;
}
notify_other_smd();
ch->notify_other_cpu();
return orig_len - len;
}
@ -621,7 +673,7 @@ static int smd_stream_read(smd_channel_t *ch, void *data, int len)
r = ch_read(ch, data, len);
if (r > 0)
notify_other_smd();
ch->notify_other_cpu();
return r;
}
@ -639,7 +691,7 @@ static int smd_packet_read(smd_channel_t *ch, void *data, int len)
r = ch_read(ch, data, len);
if (r > 0)
notify_other_smd();
ch->notify_other_cpu();
spin_lock_irqsave(&smd_lock, flags);
ch->current_packet -= r;
@ -649,28 +701,73 @@ static int smd_packet_read(smd_channel_t *ch, void *data, int len)
return r;
}
static int smd_alloc_v2(struct smd_channel *ch)
{
struct smd_shared_v2 *shared2;
void *buffer;
unsigned buffer_sz;
shared2 = smem_alloc(SMEM_SMD_BASE_ID + ch->n, sizeof(*shared2));
buffer = smem_item(SMEM_SMD_FIFO_BASE_ID + ch->n, &buffer_sz);
if (!buffer)
return -1;
/* buffer must be a power-of-two size */
if (buffer_sz & (buffer_sz - 1))
return -1;
buffer_sz /= 2;
ch->send = &shared2->ch0;
ch->recv = &shared2->ch1;
ch->send_data = buffer;
ch->recv_data = buffer + buffer_sz;
ch->fifo_size = buffer_sz;
return 0;
}
static int smd_alloc_v1(struct smd_channel *ch)
{
struct smd_shared_v1 *shared1;
shared1 = smem_alloc(ID_SMD_CHANNELS + ch->n, sizeof(*shared1));
if (!shared1) {
pr_err("smd_alloc_channel() cid %d does not exist\n", ch->n);
return -1;
}
ch->send = &shared1->ch0;
ch->recv = &shared1->ch1;
ch->send_data = shared1->data0;
ch->recv_data = shared1->data1;
ch->fifo_size = SMD_BUF_SIZE;
return 0;
}
static void smd_alloc_channel(const char *name, uint32_t cid, uint32_t type)
{
struct smd_channel *ch;
struct smd_shared *shared;
shared = smem_alloc(ID_SMD_CHANNELS + cid, sizeof(*shared));
if (!shared) {
pr_err("smd_alloc_channel() cid %d does not exist\n", cid);
return;
}
ch = kzalloc(sizeof(struct smd_channel), GFP_KERNEL);
if (ch == 0) {
pr_err("smd_alloc_channel() out of memory\n");
return;
}
ch->send = &shared->ch0;
ch->recv = &shared->ch1;
ch->n = cid;
if (smd_is_packet(cid)) {
if (smd_alloc_v2(ch) && smd_alloc_v1(ch)) {
kfree(ch);
return;
}
ch->fifo_mask = ch->fifo_size - 1;
ch->type = type;
if ((type & SMD_TYPE_MASK) == SMD_TYPE_APPS_MODEM)
ch->notify_other_cpu = notify_modem_smd;
else
ch->notify_other_cpu = notify_dsp_smd;
if (smd_is_packet(cid, type)) {
ch->read = smd_packet_read;
ch->write = smd_packet_write;
ch->read_avail = smd_packet_read_avail;
@ -684,14 +781,17 @@ static void smd_alloc_channel(const char *name, uint32_t cid, uint32_t type)
ch->update_state = update_stream_state;
}
memcpy(ch->name, "SMD_", 4);
if ((type & 0xff) == 0)
memcpy(ch->name, "SMD_", 4);
else
memcpy(ch->name, "DSP_", 4);
memcpy(ch->name + 4, name, 20);
ch->name[23] = 0;
ch->pdev.name = ch->name;
ch->pdev.id = -1;
pr_info("smd_alloc_channel() '%s' cid=%d, shared=%p\n",
ch->name, ch->n, shared);
pr_info("smd_alloc_channel() cid=%02d size=%05d '%s'\n",
ch->n, ch->fifo_size, ch->name);
mutex_lock(&smd_creation_mutex);
list_add(&ch->ch_list, &smd_ch_closed_list);
@ -759,9 +859,9 @@ int smd_open(const char *name, smd_channel_t **_ch,
*/
if (ch->recv->state == SMD_SS_CLOSING) {
ch->send->head = 0;
hc_set_state(ch->send, SMD_SS_OPENING);
ch_set_state(ch, SMD_SS_OPENING);
} else {
hc_set_state(ch->send, SMD_SS_OPENED);
ch_set_state(ch, SMD_SS_OPENED);
}
spin_unlock_irqrestore(&smd_lock, flags);
smd_kick(ch);
@ -781,7 +881,7 @@ int smd_close(smd_channel_t *ch)
spin_lock_irqsave(&smd_lock, flags);
ch->notify = do_nothing_notify;
list_del(&ch->ch_list);
hc_set_state(ch->send, SMD_SS_CLOSED);
ch_set_state(ch, SMD_SS_CLOSED);
spin_unlock_irqrestore(&smd_lock, flags);
mutex_lock(&smd_creation_mutex);
@ -834,7 +934,7 @@ void *smem_alloc(unsigned id, unsigned size)
return smem_find(id, size);
}
static void *_smem_find(unsigned id, unsigned *size)
static void *smem_item(unsigned id, unsigned *size)
{
struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
struct smem_heap_entry *toc = shared->heap_toc;
@ -845,6 +945,8 @@ static void *_smem_find(unsigned id, unsigned *size)
if (toc[id].allocated) {
*size = toc[id].size;
return (void *) (MSM_SHARED_RAM_BASE + toc[id].offset);
} else {
*size = 0;
}
return 0;
@ -855,7 +957,7 @@ void *smem_find(unsigned id, unsigned size_in)
unsigned size;
void *ptr;
ptr = _smem_find(id, &size);
ptr = smem_item(id, &size);
if (!ptr)
return 0;
@ -872,38 +974,20 @@ void *smem_find(unsigned id, unsigned size_in)
static irqreturn_t smsm_irq_handler(int irq, void *data)
{
unsigned long flags;
struct smsm_shared *smsm;
unsigned apps, modm;
spin_lock_irqsave(&smem_lock, flags);
smsm = smem_alloc(ID_SHARED_STATE,
2 * sizeof(struct smsm_shared));
if (smsm == 0) {
pr_info("<SM NO STATE>\n");
} else {
unsigned apps = smsm[0].state;
unsigned modm = smsm[1].state;
apps = readl(smd_info.state_apps);
modm = readl(smd_info.state_modem);
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
pr_info("<SM %08x %08x>\n", apps, modm);
if (modm & SMSM_RESET) {
handle_modem_crash();
} else {
apps |= SMSM_INIT;
if (modm & SMSM_SMDINIT)
apps |= SMSM_SMDINIT;
if (modm & SMSM_RPCINIT)
apps |= SMSM_RPCINIT;
}
if (smsm[0].state != apps) {
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
pr_info("<SM %08x NOTIFY>\n", apps);
smsm[0].state = apps;
do_smd_probe();
notify_other_smsm();
}
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
pr_info("<SM %08x %08x>\n", apps, modm);
if (modm & SMSM_RESET) {
handle_modem_crash();
}
do_smd_probe();
spin_unlock_irqrestore(&smem_lock, flags);
return IRQ_HANDLED;
}
@ -911,55 +995,42 @@ static irqreturn_t smsm_irq_handler(int irq, void *data)
int smsm_change_state(uint32_t clear_mask, uint32_t set_mask)
{
unsigned long flags;
struct smsm_shared *smsm;
unsigned state;
if (!smd_info.ready)
return -EIO;
spin_lock_irqsave(&smem_lock, flags);
smsm = smem_alloc(ID_SHARED_STATE,
2 * sizeof(struct smsm_shared));
if (readl(smd_info.state_modem) & SMSM_RESET)
handle_modem_crash();
if (smsm) {
if (smsm[1].state & SMSM_RESET)
handle_modem_crash();
smsm[0].state = (smsm[0].state & ~clear_mask) | set_mask;
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
pr_info("smsm_change_state %x\n",
smsm[0].state);
notify_other_smsm();
}
state = (readl(smd_info.state_apps) & ~clear_mask) | set_mask;
writel(state, smd_info.state_apps);
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
pr_info("smsm_change_state %x\n", state);
notify_other_smsm();
spin_unlock_irqrestore(&smem_lock, flags);
if (smsm == NULL) {
pr_err("smsm_change_state <SM NO STATE>\n");
return -EIO;
}
return 0;
}
uint32_t smsm_get_state(void)
{
unsigned long flags;
struct smsm_shared *smsm;
uint32_t rv;
spin_lock_irqsave(&smem_lock, flags);
smsm = smem_alloc(ID_SHARED_STATE,
2 * sizeof(struct smsm_shared));
if (smsm)
rv = smsm[1].state;
else
rv = 0;
rv = readl(smd_info.state_modem);
if (rv & SMSM_RESET)
handle_modem_crash();
spin_unlock_irqrestore(&smem_lock, flags);
if (smsm == NULL)
pr_err("smsm_get_state <SM NO STATE>\n");
return rv;
}
@ -1069,6 +1140,25 @@ int smd_core_init(void)
int r;
pr_info("smd_core_init()\n");
/* wait for essential items to be initialized */
for (;;) {
unsigned size;
void *state;
state = smem_item(SMEM_SMSM_SHARED_STATE, &size);
if (size == SMSM_V1_SIZE) {
smd_info.state_apps = state + SMSM_V1_STATE_APPS;
smd_info.state_modem = state + SMSM_V1_STATE_MODEM;
break;
}
if (size == SMSM_V2_SIZE) {
smd_info.state_apps = state + SMSM_V2_STATE_APPS;
smd_info.state_modem = state + SMSM_V2_STATE_MODEM;
break;
}
}
smd_info.ready = 1;
r = request_irq(INT_A9_M2A_0, smd_irq_handler,
IRQF_TRIGGER_RISING, "smd_dev", 0);
if (r < 0)
@ -1087,11 +1177,12 @@ int smd_core_init(void)
if (r < 0)
pr_err("smd_core_init: enable_irq_wake failed for A9_M2A_5\n");
/* we may have missed a signal while booting -- fake
* an interrupt to make sure we process any existing
* state
*/
smsm_irq_handler(0, 0);
/* check for any SMD channels that may already exist */
do_smd_probe();
/* indicate that we're up and running */
writel(SMSM_INIT | SMSM_SMDINIT | SMSM_RPCINIT, smd_info.state_apps);
notify_other_smsm();
pr_info("smd_core_init() done\n");
@ -1100,15 +1191,16 @@ int smd_core_init(void)
#if defined(CONFIG_DEBUG_FS)
static int dump_ch(char *buf, int max, int n,
struct smd_half_channel *s,
struct smd_half_channel *r)
static int dump_ch(char *buf, int max, struct smd_channel *ch)
{
volatile struct smd_half_channel *s = ch->send;
volatile struct smd_half_channel *r = ch->recv;
return scnprintf(
buf, max,
"ch%02d:"
" %8s(%04d/%04d) %c%c%c%c%c%c%c <->"
" %8s(%04d/%04d) %c%c%c%c%c%c%c\n", n,
" %8s(%05d/%05d) %c%c%c%c%c%c%c <->"
" %8s(%05d/%05d) %c%c%c%c%c%c%c\n", ch->n,
chstate(s->state), s->tail, s->head,
s->fDSR ? 'D' : 'd',
s->fCTS ? 'C' : 'c',
@ -1130,24 +1222,19 @@ static int dump_ch(char *buf, int max, int n,
static int debug_read_stat(char *buf, int max)
{
struct smsm_shared *smsm;
char *msg;
int i = 0;
smsm = smem_find(ID_SHARED_STATE,
2 * sizeof(struct smsm_shared));
msg = smem_find(ID_DIAG_ERR_MSG, SZ_DIAG_ERR_MSG);
if (smsm) {
if (smsm[1].state & SMSM_RESET)
i += scnprintf(buf + i, max - i,
"smsm: ARM9 HAS CRASHED\n");
i += scnprintf(buf + i, max - i, "smsm: a9: %08x a11: %08x\n",
smsm[0].state, smsm[1].state);
} else {
i += scnprintf(buf + i, max - i, "smsm: cannot find\n");
}
if (readl(smd_info.state_modem) & SMSM_RESET)
i += scnprintf(buf + i, max - i,
"smsm: ARM9 HAS CRASHED\n");
i += scnprintf(buf + i, max - i, "smsm: a9: %08x a11: %08x\n",
readl(smd_info.state_modem),
readl(smd_info.state_apps));
if (msg) {
msg[SZ_DIAG_ERR_MSG - 1] = 0;
i += scnprintf(buf + i, max - i, "diag: '%s'\n", msg);
@ -1172,7 +1259,7 @@ static int debug_read_mem(char *buf, int max)
if (toc[n].allocated == 0)
continue;
i += scnprintf(buf + i, max - i,
"%04d: offsed %08x size %08x\n",
"%04d: offset %08x size %08x\n",
n, toc[n].offset, toc[n].size);
}
return i;
@ -1180,16 +1267,16 @@ static int debug_read_mem(char *buf, int max)
static int debug_read_ch(char *buf, int max)
{
struct smd_shared *shared;
int n, i = 0;
struct smd_channel *ch;
unsigned long flags;
int i = 0;
for (n = 0; n < SMD_CHANNELS; n++) {
shared = smem_find(ID_SMD_CHANNELS + n,
sizeof(struct smd_shared));
if (shared == 0)
continue;
i += dump_ch(buf + i, max - i, n, &shared->ch0, &shared->ch1);
}
spin_lock_irqsave(&smd_lock, flags);
list_for_each_entry(ch, &smd_ch_list, ch_list)
i += dump_ch(buf + i, max - i, ch);
list_for_each_entry(ch, &smd_ch_closed_list, ch_list)
i += dump_ch(buf + i, max - i, ch);
spin_unlock_irqrestore(&smd_lock, flags);
return i;
}
@ -1206,7 +1293,7 @@ static int debug_read_build_id(char *buf, int max)
unsigned size;
void *data;
data = _smem_find(SMEM_HW_SW_BUILD_ID, &size);
data = smem_item(SMEM_HW_SW_BUILD_ID, &size);
if (!data)
return 0;
@ -1228,9 +1315,12 @@ static int debug_read_alloc_tbl(char *buf, int max)
if (shared[n].ref_count == 0)
continue;
i += scnprintf(buf + i, max - i,
"%03d: %20s cid=%02d ctype=%d ref_count=%d\n",
"%03d: %-20s cid=%02d type=%03d "
"kind=%02d ref_count=%d\n",
n, shared[n].name, shared[n].cid,
shared[n].ctype, shared[n].ref_count);
shared[n].ctype & 0xff,
(shared[n].ctype >> 8) & 0xf,
shared[n].ref_count);
}
return i;

76
arch/arm/mach-msm/smd_private.h
View File

@ -43,6 +43,7 @@ struct smem_proc_comm
#define PC_APPS 0
#define PC_MODEM 1
#define VERSION_SMD 0
#define VERSION_QDSP6 4
#define VERSION_APPS_SBL 6
#define VERSION_MODEM_SBL 7
@ -54,14 +55,17 @@ struct smem_shared
struct smem_proc_comm proc_comm[4];
unsigned version[32];
struct smem_heap_info heap_info;
struct smem_heap_entry heap_toc[128];
struct smem_heap_entry heap_toc[512];
};
struct smsm_shared
{
unsigned host;
unsigned state;
};
#define SMSM_V1_SIZE (sizeof(unsigned) * 8)
#define SMSM_V1_STATE_APPS 0x0000
#define SMSM_V1_STATE_MODEM 0x0004
#define SMSM_V1_STATE_DSP 0x0008
#define SMSM_V2_SIZE (sizeof(unsigned) * 4)
#define SMSM_V2_STATE_APPS 0x0004
#define SMSM_V2_STATE_MODEM 0x000C
struct smsm_interrupt_info
{
@ -76,21 +80,31 @@ struct smsm_interrupt_info
#define ID_SHARED_STATE SMEM_SMSM_SHARED_STATE
#define ID_CH_ALLOC_TBL SMEM_CHANNEL_ALLOC_TBL
#define SMSM_INIT 0x000001
#define SMSM_SMDINIT 0x000008
#define SMSM_RPCINIT 0x000020
#define SMSM_RESET 0x000040
#define SMSM_RSA 0x0080
#define SMSM_RUN 0x000100
#define SMSM_PWRC 0x0200
#define SMSM_TIMEWAIT 0x0400
#define SMSM_TIMEINIT 0x0800
#define SMSM_PWRC_EARLY_EXIT 0x1000
#define SMSM_WFPI 0x2000
#define SMSM_SLEEP 0x4000
#define SMSM_SLEEPEXIT 0x8000
#define SMSM_OEMSBL_RELEASE 0x10000
#define SMSM_PWRC_SUSPEND 0x200000
#define SMSM_INIT 0x00000001
#define SMSM_SMDINIT 0x00000008
#define SMSM_RPCINIT 0x00000020
#define SMSM_RESET 0x00000040
#define SMSM_RSA 0x00000080
#define SMSM_RUN 0x00000100
#define SMSM_PWRC 0x00000200
#define SMSM_TIMEWAIT 0x00000400
#define SMSM_TIMEINIT 0x00000800
#define SMSM_PWRC_EARLY_EXIT 0x00001000
#define SMSM_WFPI 0x00002000
#define SMSM_SLEEP 0x00004000
#define SMSM_SLEEPEXIT 0x00008000
#define SMSM_APPS_REBOOT 0x00020000
#define SMSM_SYSTEM_POWER_DOWN 0x00040000
#define SMSM_SYSTEM_REBOOT 0x00080000
#define SMSM_SYSTEM_DOWNLOAD 0x00100000
#define SMSM_PWRC_SUSPEND 0x00200000
#define SMSM_APPS_SHUTDOWN 0x00400000
#define SMSM_SMD_LOOPBACK 0x00800000
#define SMSM_RUN_QUIET 0x01000000
#define SMSM_MODEM_WAIT 0x02000000
#define SMSM_MODEM_BREAK 0x04000000
#define SMSM_MODEM_CONTINUE 0x08000000
#define SMSM_UNKNOWN 0x80000000
#define SMSM_WKUP_REASON_RPC 0x00000001
#define SMSM_WKUP_REASON_INT 0x00000002
@ -165,6 +179,26 @@ typedef enum
SMEM_ID_VENDOR1,
SMEM_ID_VENDOR2,
SMEM_HW_SW_BUILD_ID,
SMEM_SMD_BLOCK_PORT_BASE_ID,
SMEM_SMD_BLOCK_PORT_PROC0_HEAP = SMEM_SMD_BLOCK_PORT_BASE_ID + SMEM_NUM_SMD_CHANNELS,
SMEM_SMD_BLOCK_PORT_PROC1_HEAP = SMEM_SMD_BLOCK_PORT_PROC0_HEAP + SMEM_NUM_SMD_CHANNELS,
SMEM_I2C_MUTEX = SMEM_SMD_BLOCK_PORT_PROC1_HEAP + SMEM_NUM_SMD_CHANNELS,
SMEM_SCLK_CONVERSION,
SMEM_SMD_SMSM_INTR_MUX,
SMEM_SMSM_CPU_INTR_MASK,
SMEM_APPS_DEM_SLAVE_DATA,
SMEM_QDSP6_DEM_SLAVE_DATA,
SMEM_CLKREGIM_BSP,
SMEM_CLKREGIM_SOURCES,
SMEM_SMD_FIFO_BASE_ID,
SMEM_USABLE_RAM_PARTITION_TABLE = SMEM_SMD_FIFO_BASE_ID + SMEM_NUM_SMD_CHANNELS,
SMEM_POWER_ON_STATUS_INFO,
SMEM_DAL_AREA,
SMEM_SMEM_LOG_POWER_IDX,
SMEM_SMEM_LOG_POWER_WRAP,
SMEM_SMEM_LOG_POWER_EVENTS,
SMEM_ERR_CRASH_LOG,
SMEM_ERR_F3_TRACE_LOG,
SMEM_NUM_ITEMS,
} smem_mem_type;