#include "smd_private.h"
#include "proc_comm.h"
+#if defined(CONFIG_ARCH_QSD8X50)
+#define CONFIG_QDSP6 1
+#endif
+
void (*msm_hw_reset_hook)(void);
#define MODULE_NAME "msm_smd"
static int msm_smd_debug_mask;
-struct shared_info
-{
+struct shared_info {
int ready;
unsigned state;
};
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);
+void *smem_item(unsigned id, unsigned *size);
static void smd_diag(void);
static unsigned last_heap_free = 0xffffffff;
-#define MSM_A2M_INT(n) (MSM_CSR_BASE + 0x400 + (n) * 4)
+static inline void msm_a2m_int(uint32_t irq)
+{
+#if defined(CONFIG_ARCH_MSM7X30)
+ writel(1 << irq, MSM_GCC_BASE + 0x8);
+#else
+ writel(1, MSM_CSR_BASE + 0x400 + (irq * 4));
+#endif
+}
+
static inline void notify_other_smsm(void)
{
- writel(1, MSM_A2M_INT(5));
+ msm_a2m_int(5);
+#ifdef CONFIG_QDSP6
+ msm_a2m_int(8);
+#endif
}
static inline void notify_modem_smd(void)
{
- writel(1, MSM_A2M_INT(0));
+ msm_a2m_int(0);
}
static inline void notify_dsp_smd(void)
{
- writel(1, MSM_A2M_INT(8));
+ msm_a2m_int(8);
}
static void smd_diag(void)
;
}
-extern int (*msm_check_for_modem_crash)(void);
-
uint32_t raw_smsm_get_state(enum smsm_state_item item)
{
return readl(smd_info.state + item * 4);
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_BUF_SIZE 8192
-#define SMD_CHANNELS 64
-
-#define SMD_HEADER_SIZE 20
-
-
/* the spinlock is used to synchronize between the
-** irq handler and code that mutates the channel
-** list or fiddles with channel state
-*/
-static DEFINE_SPINLOCK(smd_lock);
-static DEFINE_SPINLOCK(smem_lock);
+ * irq handler and code that mutates the channel
+ * list or fiddles with channel state
+ */
+DEFINE_SPINLOCK(smd_lock);
+DEFINE_SPINLOCK(smem_lock);
/* the mutex is used during open() and close()
-** operations to avoid races while creating or
-** destroying smd_channel structures
-*/
+ * operations to avoid races while creating or
+ * destroying smd_channel structures
+ */
static DEFINE_MUTEX(smd_creation_mutex);
static int smd_initialized;
-struct smd_alloc_elm {
- char name[20];
- uint32_t cid;
- uint32_t ctype;
- uint32_t ref_count;
-};
-
-struct smd_half_channel {
- unsigned state;
- unsigned char fDSR;
- unsigned char fCTS;
- unsigned char fCD;
- unsigned char fRI;
- unsigned char fHEAD;
- unsigned char fTAIL;
- unsigned char fSTATE;
- unsigned char fUNUSED;
- unsigned tail;
- unsigned head;
-} __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_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;
- 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);
-
- int (*read)(smd_channel_t *ch, void *data, int len);
- int (*write)(smd_channel_t *ch, const void *data, int len);
- int (*read_avail)(smd_channel_t *ch);
- int (*write_avail)(smd_channel_t *ch);
-
- 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); /* todo: per-target lists */
+LIST_HEAD(smd_ch_closed_list);
+LIST_HEAD(smd_ch_list_modem);
+LIST_HEAD(smd_ch_list_dsp);
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 int 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 ctype;
unsigned type;
unsigned n;
continue;
if (!shared[n].name[0])
continue;
+ ctype = shared[n].ctype;
+ type = ctype & SMD_TYPE_MASK;
+
+ /* DAL channels are stream but neither the modem,
+ * nor the DSP correctly indicate this. Fixup manually.
+ */
+ if (!memcmp(shared[n].name, "DAL", 3))
+ ctype = (ctype & (~SMD_KIND_MASK)) | SMD_KIND_STREAM;
+
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;
- }
-}
-
-static char *chstate(unsigned n)
-{
- switch (n) {
- case SMD_SS_CLOSED:
- return "CLOSED";
- case SMD_SS_OPENING:
- return "OPENING";
- case SMD_SS_OPENED:
- return "OPENED";
- case SMD_SS_FLUSHING:
- return "FLUSHING";
- case SMD_SS_CLOSING:
- return "CLOSING";
- case SMD_SS_RESET:
- return "RESET";
- case SMD_SS_RESET_OPENING:
- return "ROPENING";
- default:
- return "UNKNOWN";
+ if (!smd_alloc_channel(shared[n].name, shared[n].cid, ctype))
+ smd_ch_allocated[n] = 1;
}
}
{
BUG_ON(count > smd_stream_read_avail(ch));
ch->recv->tail = (ch->recv->tail + count) & ch->fifo_mask;
- ch->recv->fTAIL = 1;
+ ch->send->fTAIL = 1;
}
/* basic read interface to ch_read_{buffer,done} used
-** by smd_*_read() and update_packet_state()
-** will read-and-discard if the _data pointer is null
-*/
+ * by smd_*_read() and update_packet_state()
+ * will read-and-discard if the _data pointer is null
+ */
static int ch_read(struct smd_channel *ch, void *_data, int len)
{
void *ptr;
{
ch->last_state = next;
- pr_info("SMD: ch %d %s -> %s\n", ch->n,
- chstate(last), chstate(next));
+ pr_info("SMD: ch %d %d -> %d\n", ch->n, last, next);
switch (next) {
case SMD_SS_OPENING:
do_smd_probe();
}
-static irqreturn_t smd_irq_handler(int irq, void *data)
+static irqreturn_t smd_modem_irq_handler(int irq, void *data)
+{
+ handle_smd_irq(&smd_ch_list_modem, notify_modem_smd);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t smd_dsp_irq_handler(int irq, void *data)
{
- handle_smd_irq(&smd_ch_list, notify_modem_smd);
+ handle_smd_irq(&smd_ch_list_dsp, notify_dsp_smd);
return IRQ_HANDLED;
}
static void smd_fake_irq_handler(unsigned long arg)
{
- smd_irq_handler(0, NULL);
+ handle_smd_irq(&smd_ch_list_modem, notify_modem_smd);
+ handle_smd_irq(&smd_ch_list_dsp, notify_dsp_smd);
}
static DECLARE_TASKLET(smd_fake_irq_tasklet, smd_fake_irq_handler, 0);
+static inline int smd_need_int(struct smd_channel *ch)
+{
+ if (ch_is_open(ch)) {
+ if (ch->recv->fHEAD || ch->recv->fTAIL || ch->recv->fSTATE)
+ return 1;
+ if (ch->recv->state != ch->last_state)
+ return 1;
+ }
+ return 0;
+}
+
void smd_sleep_exit(void)
{
unsigned long flags;
struct smd_channel *ch;
- unsigned tmp;
int need_int = 0;
spin_lock_irqsave(&smd_lock, flags);
- list_for_each_entry(ch, &smd_ch_list, ch_list) {
- if (ch_is_open(ch)) {
- if (ch->recv->fHEAD) {
- if (msm_smd_debug_mask & MSM_SMD_DEBUG)
- pr_info("smd_sleep_exit ch %d fHEAD "
- "%x %x %x\n",
- ch->n, ch->recv->fHEAD,
- ch->recv->head, ch->recv->tail);
- need_int = 1;
- break;
- }
- if (ch->recv->fTAIL) {
- if (msm_smd_debug_mask & MSM_SMD_DEBUG)
- pr_info("smd_sleep_exit ch %d fTAIL "
- "%x %x %x\n",
- ch->n, ch->recv->fTAIL,
- ch->send->head, ch->send->tail);
- need_int = 1;
- break;
- }
- if (ch->recv->fSTATE) {
- if (msm_smd_debug_mask & MSM_SMD_DEBUG)
- pr_info("smd_sleep_exit ch %d fSTATE %x"
- "\n", ch->n, ch->recv->fSTATE);
- need_int = 1;
- break;
- }
- tmp = ch->recv->state;
- if (tmp != ch->last_state) {
- if (msm_smd_debug_mask & MSM_SMD_DEBUG)
- pr_info("smd_sleep_exit ch %d "
- "state %x != %x\n",
- ch->n, tmp, ch->last_state);
- need_int = 1;
- break;
- }
+ list_for_each_entry(ch, &smd_ch_list_modem, ch_list) {
+ if (smd_need_int(ch)) {
+ need_int = 1;
+ break;
+ }
+ }
+ list_for_each_entry(ch, &smd_ch_list_dsp, ch_list) {
+ if (smd_need_int(ch)) {
+ need_int = 1;
+ break;
}
}
spin_unlock_irqrestore(&smd_lock, flags);
do_smd_probe();
+
if (need_int) {
if (msm_smd_debug_mask & MSM_SMD_DEBUG)
pr_info("smd_sleep_exit need interrupt\n");
}
-static void smd_alloc_channel(const char *name, uint32_t cid, uint32_t type)
+static int 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;
+ return -1;
}
ch->n = cid;
if (smd_alloc_v2(ch) && smd_alloc_v1(ch)) {
kfree(ch);
- return;
+ return -1;
}
ch->fifo_mask = ch->fifo_size - 1;
mutex_unlock(&smd_creation_mutex);
platform_device_register(&ch->pdev);
+ return 0;
}
static void do_nothing_notify(void *priv, unsigned flags)
*_ch = ch;
spin_lock_irqsave(&smd_lock, flags);
- list_add(&ch->ch_list, &smd_ch_list);
+
+ if ((ch->type & SMD_TYPE_MASK) == SMD_TYPE_APPS_MODEM)
+ list_add(&ch->ch_list, &smd_ch_list_modem);
+ else
+ list_add(&ch->ch_list, &smd_ch_list_dsp);
/* If the remote side is CLOSING, we need to get it to
* move to OPENING (which we'll do by moving from CLOSED to
return ch->write(ch, data, len);
}
+int smd_write_atomic(smd_channel_t *ch, const void *data, int len)
+{
+ unsigned long flags;
+ int res;
+ spin_lock_irqsave(&smd_lock, flags);
+ res = ch->write(ch, data, len);
+ spin_unlock_irqrestore(&smd_lock, flags);
+ return res;
+}
+
int smd_read_avail(smd_channel_t *ch)
{
return ch->read_avail(ch);
return smem_find(id, size);
}
-static void *smem_item(unsigned id, unsigned *size)
+void *smem_item(unsigned id, unsigned *size)
{
struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
struct smem_heap_entry *toc = shared->heap_toc;
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
pr_info("<SM %08x %08x>\n", apps, modm);
- if (modm & SMSM_RESET) {
+ if (modm & SMSM_RESET)
handle_modem_crash();
- }
+
do_smd_probe();
spin_unlock_irqrestore(&smem_lock, flags);
return rv;
}
+#ifdef CONFIG_ARCH_MSM_SCORPION
+
int smsm_set_sleep_duration(uint32_t delay)
{
- uint32_t *ptr;
+ struct msm_dem_slave_data *ptr;
- ptr = smem_alloc(SMEM_SMSM_SLEEP_DELAY, sizeof(*ptr));
+ ptr = smem_find(SMEM_APPS_DEM_SLAVE_DATA, sizeof(*ptr));
if (ptr == NULL) {
- pr_err("smsm_set_sleep_duration <SM NO SLEEP_DELAY>\n");
+ pr_err("smsm_set_sleep_duration <SM NO APPS_DEM_SLAVE_DATA>\n");
return -EIO;
}
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
pr_info("smsm_set_sleep_duration %d -> %d\n",
- *ptr, delay);
- *ptr = delay;
+ ptr->sleep_time, delay);
+ ptr->sleep_time = delay;
return 0;
}
-int smsm_set_interrupt_info(struct smsm_interrupt_info *info)
+#else
+
+int smsm_set_sleep_duration(uint32_t delay)
{
- struct smsm_interrupt_info *ptr;
+ uint32_t *ptr;
- ptr = smem_alloc(SMEM_SMSM_INT_INFO, sizeof(*ptr));
+ ptr = smem_find(SMEM_SMSM_SLEEP_DELAY, sizeof(*ptr));
if (ptr == NULL) {
- pr_err("smsm_set_sleep_duration <SM NO INT_INFO>\n");
+ pr_err("smsm_set_sleep_duration <SM NO SLEEP_DELAY>\n");
return -EIO;
}
if (msm_smd_debug_mask & MSM_SMSM_DEBUG)
- pr_info("smsm_set_interrupt_info %x %x -> %x %x\n",
- ptr->aArm_en_mask, ptr->aArm_interrupts_pending,
- info->aArm_en_mask, info->aArm_interrupts_pending);
- *ptr = *info;
+ pr_info("smsm_set_sleep_duration %d -> %d\n",
+ *ptr, delay);
+ *ptr = delay;
return 0;
}
-#define MAX_NUM_SLEEP_CLIENTS 64
-#define MAX_SLEEP_NAME_LEN 8
-
-#define NUM_GPIO_INT_REGISTERS 6
-#define GPIO_SMEM_NUM_GROUPS 2
-#define GPIO_SMEM_MAX_PC_INTERRUPTS 8
-
-struct tramp_gpio_save {
- unsigned int enable;
- unsigned int detect;
- unsigned int polarity;
-};
-
-struct tramp_gpio_smem {
- uint16_t num_fired[GPIO_SMEM_NUM_GROUPS];
- uint16_t fired[GPIO_SMEM_NUM_GROUPS][GPIO_SMEM_MAX_PC_INTERRUPTS];
- uint32_t enabled[NUM_GPIO_INT_REGISTERS];
- uint32_t detection[NUM_GPIO_INT_REGISTERS];
- uint32_t polarity[NUM_GPIO_INT_REGISTERS];
-};
-
-
-void smsm_print_sleep_info(void)
-{
- unsigned long flags;
- uint32_t *ptr;
- struct tramp_gpio_smem *gpio;
- struct smsm_interrupt_info *int_info;
-
-
- spin_lock_irqsave(&smem_lock, flags);
-
- 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);
-
- 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->aArm_en_mask,
- int_info->aArm_interrupts_pending,
- int_info->aArm_wakeup_reason);
-
- gpio = smem_alloc(SMEM_GPIO_INT, sizeof(*gpio));
- if (gpio) {
- int i;
- 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]);
- }
-
- spin_unlock_irqrestore(&smem_lock, flags);
-}
+#endif
int smd_core_init(void)
{
smd_info.ready = 1;
- r = request_irq(INT_A9_M2A_0, smd_irq_handler,
+ r = request_irq(INT_A9_M2A_0, smd_modem_irq_handler,
IRQF_TRIGGER_RISING, "smd_dev", 0);
if (r < 0)
return r;
if (r < 0)
pr_err("smd_core_init: enable_irq_wake failed for A9_M2A_5\n");
+#if defined(CONFIG_QDSP6)
+ r = request_irq(INT_ADSP_A11, smd_dsp_irq_handler,
+ IRQF_TRIGGER_RISING, "smd_dsp", 0);
+ if (r < 0) {
+ free_irq(INT_A9_M2A_0, 0);
+ free_irq(INT_A9_M2A_5, 0);
+ return r;
+ }
+#endif
+
/* check for any SMD channels that may already exist */
do_smd_probe();
/* indicate that we're up and running */
smsm_change_state(SMSM_STATE_APPS,
- ~0, SMSM_INIT | SMSM_SMDINIT | SMSM_RPCINIT);
+ ~0, SMSM_INIT | SMSM_SMDINIT | SMSM_RPCINIT | SMSM_RUN);
+#ifdef CONFIG_ARCH_MSM_SCORPION
+ smsm_change_state(SMSM_STATE_APPS_DEM, ~0, 0);
+#endif
pr_info("smd_core_init() done\n");
return 0;
}
-#if defined(CONFIG_DEBUG_FS)
-
-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(%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',
- s->fCD ? 'C' : 'c',
- s->fRI ? 'I' : 'i',
- s->fHEAD ? 'W' : 'w',
- s->fTAIL ? 'R' : 'r',
- s->fSTATE ? 'S' : 's',
- chstate(r->state), r->tail, r->head,
- r->fDSR ? 'D' : 'd',
- r->fCTS ? 'R' : 'r',
- r->fCD ? 'C' : 'c',
- r->fRI ? 'I' : 'i',
- r->fHEAD ? 'W' : 'w',
- r->fTAIL ? 'R' : 'r',
- r->fSTATE ? 'S' : 's'
- );
-}
-
-static int debug_read_stat(char *buf, int max)
-{
- char *msg;
- int i = 0;
-
- msg = smem_find(ID_DIAG_ERR_MSG, SZ_DIAG_ERR_MSG);
-
- if (raw_smsm_get_state(SMSM_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",
- raw_smsm_get_state(SMSM_STATE_MODEM),
- raw_smsm_get_state(SMSM_STATE_APPS));
-
- if (msg) {
- msg[SZ_DIAG_ERR_MSG - 1] = 0;
- i += scnprintf(buf + i, max - i, "diag: '%s'\n", msg);
- }
- return i;
-}
-
-static int debug_read_mem(char *buf, int max)
-{
- unsigned n;
- struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
- struct smem_heap_entry *toc = shared->heap_toc;
- int i = 0;
-
- i += scnprintf(buf + i, max - i,
- "heap: init=%d free=%d remain=%d\n",
- shared->heap_info.initialized,
- shared->heap_info.free_offset,
- shared->heap_info.heap_remaining);
-
- for (n = 0; n < SMEM_NUM_ITEMS; n++) {
- if (toc[n].allocated == 0)
- continue;
- i += scnprintf(buf + i, max - i,
- "%04d: offset %08x size %08x\n",
- n, toc[n].offset, toc[n].size);
- }
- return i;
-}
-
-static int debug_read_ch(char *buf, int max)
-{
- struct smd_channel *ch;
- unsigned long flags;
- int i = 0;
-
- 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;
-}
-
-static int debug_read_version(char *buf, int max)
-{
- struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
- unsigned version = shared->version[VERSION_MODEM];
- return sprintf(buf, "%d.%d\n", version >> 16, version & 0xffff);
-}
-
-static int debug_read_build_id(char *buf, int max)
-{
- unsigned size;
- void *data;
-
- data = smem_item(SMEM_HW_SW_BUILD_ID, &size);
- if (!data)
- return 0;
-
- if (size >= max)
- size = max;
- memcpy(buf, data, size);
-
- return size;
-}
-
-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(*shared) * 64);
-
- for (n = 0; n < 64; n++) {
- if (shared[n].ref_count == 0)
- continue;
- i += scnprintf(buf + i, max - i,
- "%03d: %-20s cid=%02d type=%03d "
- "kind=%02d ref_count=%d\n",
- n, shared[n].name, shared[n].cid,
- shared[n].ctype & 0xff,
- (shared[n].ctype >> 8) & 0xf,
- shared[n].ref_count);
- }
-
- return i;
-}
-
-static int debug_boom(char *buf, int max)
-{
- unsigned ms = 5000;
- msm_proc_comm(PCOM_RESET_MODEM, &ms, 0);
- return 0;
-}
-
-#define DEBUG_BUFMAX 4096
-static char debug_buffer[DEBUG_BUFMAX];
-
-static ssize_t debug_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- int (*fill)(char *buf, int max) = file->private_data;
- int bsize = fill(debug_buffer, DEBUG_BUFMAX);
- return simple_read_from_buffer(buf, count, ppos, debug_buffer, bsize);
-}
-
-static int debug_open(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
-static const struct file_operations debug_ops = {
- .read = debug_read,
- .open = debug_open,
-};
-
-static void debug_create(const char *name, mode_t mode,
- struct dentry *dent,
- int (*fill)(char *buf, int max))
-{
- debugfs_create_file(name, mode, dent, fill, &debug_ops);
-}
-
-static void smd_debugfs_init(void)
-{
- struct dentry *dent;
-
- dent = debugfs_create_dir("smd", 0);
- if (IS_ERR(dent))
- return;
-
- debug_create("ch", 0444, dent, debug_read_ch);
- debug_create("stat", 0444, dent, debug_read_stat);
- debug_create("mem", 0444, dent, debug_read_mem);
- debug_create("version", 0444, dent, debug_read_version);
- debug_create("tbl", 0444, dent, debug_read_alloc_tbl);
- debug_create("build", 0444, dent, debug_read_build_id);
- debug_create("boom", 0444, dent, debug_boom);
-}
-#else
-static void smd_debugfs_init(void) {}
-#endif
-
static int __init msm_smd_probe(struct platform_device *pdev)
{
pr_info("smd_init()\n");
msm_check_for_modem_crash = check_for_modem_crash;
- smd_debugfs_init();
+ msm_init_last_radio_log(THIS_MODULE);
+
smd_initialized = 1;
return 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff