[ARM] msm: cleanup smd, separate debugfs support
- pull debug code into smd_debug.c
- move necessary structures and defines into smd_private.h
- fix some comment formatting, etc
Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
diff --git a/arch/arm/mach-msm/smd_private.h b/arch/arm/mach-msm/smd_private.h
index 71f9612..13d7c9d 100644
--- a/arch/arm/mach-msm/smd_private.h
+++ b/arch/arm/mach-msm/smd_private.h
@@ -16,6 +16,10 @@
#ifndef _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
#define _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
+#include <linux/platform_device.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+
struct smem_heap_info
{
unsigned initialized;
@@ -232,4 +236,101 @@
SMEM_NUM_ITEMS,
} smem_mem_type;
+
+#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
+
+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)(struct smd_channel *ch, void *data, int len);
+ int (*write)(struct smd_channel *ch, const void *data, int len);
+ int (*read_avail)(struct smd_channel *ch);
+ int (*write_avail)(struct smd_channel *ch);
+
+ void (*update_state)(struct smd_channel *ch);
+ unsigned last_state;
+ void (*notify_other_cpu)(void);
+ unsigned type;
+
+ char name[32];
+ struct platform_device pdev;
+};
+
+#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
+
+extern struct list_head smd_ch_closed_list;
+extern struct list_head smd_ch_list;
+
+extern spinlock_t smd_lock;
+extern spinlock_t smem_lock;
+
+void *smem_find(unsigned id, unsigned size);
+void *smem_item(unsigned id, unsigned *size);
+uint32_t raw_smsm_get_state(enum smsm_state_item item);
+
#endif