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author | Brian Swetland <swetland@google.com> | 2009-07-02 00:58:37 (GMT) |
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committer | Daniel Walker <dwalker@codeaurora.org> | 2010-05-12 16:15:09 (GMT) |
commit | 03e00cd350c6636b5f2a9854609fea93a5c7b677 (patch) | |
tree | 82c9fa41f1b21c1450500cb92577b17ed4ae8b45 /arch/arm/mach-msm/smd_private.h | |
parent | ec9d3d14ffa9454e6d51e5dd1889d6e9e0be5198 (diff) | |
download | linux-03e00cd350c6636b5f2a9854609fea93a5c7b677.tar.xz |
[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>
Diffstat (limited to 'arch/arm/mach-msm/smd_private.h')
-rw-r--r-- | arch/arm/mach-msm/smd_private.h | 101 |
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 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 @@ 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 |