[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>

1 files changed, 101 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/smd_private.h b/arch/arm/mach-msm/smd_private.h
index 71f9612d5f50..13d7c9d31a9a 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 @@ typedef enum
         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