diff options
author | Brian Swetland <swetland@google.com> | 2009-04-26 18:38:49 -0700 |
---|---|---|
committer | Daniel Walker <dwalker@codeaurora.org> | 2010-05-12 09:15:01 -0700 |
commit | 5b0f5a3f6084397194a8b556cdca572ad8e14f05 (patch) | |
tree | 1835a38df270d648ab55af164885389ec9579581 /arch | |
parent | 4d4fb2660ddd2d8131ebc3314e4c648fc0f4b8dd (diff) | |
download | linux-stable-5b0f5a3f6084397194a8b556cdca572ad8e14f05.tar.gz linux-stable-5b0f5a3f6084397194a8b556cdca572ad8e14f05.tar.bz2 linux-stable-5b0f5a3f6084397194a8b556cdca572ad8e14f05.zip |
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>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-msm/smd.c | 426 | ||||
-rw-r--r-- | arch/arm/mach-msm/smd_private.h | 76 |
2 files changed, 313 insertions, 189 deletions
diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c index 78031c0a6db3..f731ddeaa25c 100644 --- a/arch/arm/mach-msm/smd.c +++ b/arch/arm/mach-msm/smd.c @@ -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 { +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_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 void smd_alloc_channel(const char *name, uint32_t cid, uint32_t type) +static int smd_alloc_v2(struct smd_channel *ch) { - struct smd_channel *ch; - struct smd_shared *shared; + struct smd_shared_v2 *shared2; + void *buffer; + unsigned buffer_sz; - shared = smem_alloc(ID_SMD_CHANNELS + cid, sizeof(*shared)); - if (!shared) { - pr_err("smd_alloc_channel() cid %d does not exist\n", cid); - return; + 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; 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; - - 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; - } + apps = readl(smd_info.state_apps); + modm = readl(smd_info.state_modem); - 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 (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(); - } + if (readl(smd_info.state_modem) & SMSM_RESET) + handle_modem_crash(); + + 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; diff --git a/arch/arm/mach-msm/smd_private.h b/arch/arm/mach-msm/smd_private.h index c0eb3de1be54..732147c2f992 100644 --- a/arch/arm/mach-msm/smd_private.h +++ b/arch/arm/mach-msm/smd_private.h @@ -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; 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