92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
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/* copyright (C) 2007 Google, Inc.
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* Copyright (c) 2007 QUALCOMM Incorporated
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* *
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* * This software is licensed under the terms of the GNU General Public
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* * License version 2, as published by the Free Software Foundation, and
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* * may be copied, distributed, and modified under those terms.
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* *
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* * This program is distributed in the hope that it will be useful,
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* * but WITHOUT ANY WARRANTY; without even the implied warranty of
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* * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* * GNU General Public License for more details.
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* *
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* */
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#ifndef _ARCH_ARM_MACH_MSM_MSM_SMD_DEBUG_H_
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#define _ARCH_ARM_MACH_MSM_MSM_SMD_DEBUG_H_
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#include <linux/platform_device.h>
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#include <linux/spinlock.h>
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#include <linux/list.h>
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struct smd_alloc_elm {
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char name[20];
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uint32_t cid;
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uint32_t ctype;
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uint32_t ref_count;
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};
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struct smd_half_channel {
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unsigned state;
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unsigned char fDSR;
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unsigned char fCTS;
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unsigned char fCD;
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unsigned char fRI;
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unsigned char fHEAD;
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unsigned char fTAIL;
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unsigned char fSTATE;
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unsigned char fUNUSED;
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unsigned tail;
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unsigned head;
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} __attribute__((packed));
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struct smd_shared_v1 {
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struct smd_half_channel ch0;
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unsigned char data0[SMD_BUF_SIZE];
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struct smd_half_channel ch1;
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unsigned char data1[SMD_BUF_SIZE];
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};
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struct smd_shared_v2 {
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struct smd_half_channel ch0;
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struct smd_half_channel ch1;
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};
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struct smd_channel {
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volatile struct smd_half_channel *send;
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volatile struct smd_half_channel *recv;
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unsigned char *send_data;
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unsigned char *recv_data;
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unsigned fifo_mask;
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unsigned fifo_size;
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unsigned current_packet;
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unsigned n;
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struct list_head ch_list;
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void *priv;
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void (*notify)(void *priv, unsigned flags);
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int (*read)(struct smd_channel *ch, void *data, int len);
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int (*write)(struct smd_channel *ch, const void *data, int len);
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int (*read_avail)(struct smd_channel *ch);
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int (*write_avail)(struct smd_channel *ch);
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void (*update_state)(struct smd_channel *ch);
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unsigned last_state;
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void (*notify_other_cpu)(void);
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unsigned type;
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char name[32];
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struct platform_device pdev;
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};
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extern struct list_head smd_ch_closed_list;
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extern struct list_head smd_ch_list_modem;
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extern struct list_head smd_ch_list_dsp;
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extern spinlock_t smd_lock;
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extern spinlock_t smem_lock;
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#endif
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