dcam.h revision 8eea8e29cc4374d1ee24c25a07f45af132db3499
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_1394_TARGETS_DCAM1394_DCAM_H
#define _SYS_1394_TARGETS_DCAM1394_DCAM_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/modctl.h>
#include <sys/ksynch.h>
#include <sys/types.h>
#include <sys/dditypes.h>
#include <sys/1394/t1394.h>
#include <sys/dcam/dcam1394_io.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ILP32_PTR_SIZE 4 /* caller's data model type */
#define LP64_PTR_SIZE 8
#define DCAM_POWER_OFF 0 /* power management state */
#define DCAM_POWER_ON 1
#define DCAM1394_MINOR_CTRL 0x80 /* this is the control device */
#define DCAM1394_FLAG_ATTACH_COMPLETE 0x1 /* dcam_attach() is complete */
#define DCAM1394_FLAG_OPEN 0x2 /* driver is open */
#define DCAM1394_FLAG_OPEN_CAPTURE 0x4 /* device is open for capture */
#define DCAM1394_FLAG_OPEN_CONTROL 0x8 /* device is open for control */
#define DCAM1394_FLAG_FRAME_RCV_INIT 0x10
#define DCAM1394_FLAG_FRAME_RCVING 0x20
#define DCAM1394_FLAG_READ_REQ_PROC 0x40
#define DCAM1394_FLAG_READ_REQ_INVALID 0x80
#define IS_VALID 0x1
#define IS_PRESENT 0x2
#define CAP_GET 0x4
#define CAP_SET 0x8
#define CAP_CTRL_SET 0x10
#define MAX_STR_LEN 50
#define DEV_TO_INSTANCE(d) (getminor(d) & 0x7f)
typedef uint_t
dcam1394_param_attr_t[DCAM1394_NUM_PARAM][DCAM1394_NUM_SUBPARAM];
typedef struct buff_info_s {
uint_t vid_mode;
unsigned int seq_num;
hrtime_t timestamp;
caddr_t kaddr_p; /* kernel data buffer */
ddi_dma_handle_t dma_handle; /* bind handle */
ddi_acc_handle_t data_acc_handle; /* acc handle */
ddi_dma_cookie_t dma_cookie; /* cookie */
size_t real_len; /* mem len */
uint_t dma_cookie_count; /* cookie count */
} buff_info_t;
#define MAX_NUM_READ_PTRS 1
typedef struct ring_buff_s {
size_t num_buffs;
size_t buff_num_bytes;
buff_info_t *buff_info_array_p;
int num_read_ptrs;
int read_ptr_incr_val;
size_t read_ptr_pos[MAX_NUM_READ_PTRS];
uint_t status[MAX_NUM_READ_PTRS];
size_t write_ptr_pos;
} ring_buff_t;
typedef struct dcam_state_s {
dev_info_t *dip;
int instance;
int usr_model;
t1394_handle_t sl_handle;
t1394_attachinfo_t attachinfo;
t1394_targetinfo_t targetinfo;
t1394_isoch_singleinfo_t sii;
t1394_isoch_single_out_t sii_output_args;
t1394_isoch_single_handle_t sii_hdl;
t1394_isoch_dma_handle_t isoch_handle;
kmutex_t softc_mutex;
kmutex_t dcam_frame_is_done_mutex;
dcam1394_param_attr_t param_attr;
ixl1394_command_t *ixlp;
ring_buff_t *ring_buff_p;
unsigned int seq_count;
uint_t reader_flags[MAX_NUM_READ_PTRS];
uint_t flags;
int cur_vid_mode;
int cur_frame_rate;
int cur_ring_buff_capacity;
int param_status;
struct pollhead dcam_pollhead;
int camera_online;
int pm_open_count;
int pm_cable_power;
int suspended;
ddi_callback_id_t event_id;
} dcam_state_t;
int _init(void);
int _info(struct modinfo *modinfop);
int _fini(void);
int dcam_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
int dcam_power(dev_info_t *dip, int component, int level);
int dcam_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result);
int dcam_identify(dev_info_t *dip);
int dcam_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
int dcam_open(dev_t *devp, int flag, int otyp, cred_t *credp);
int dcam_close(dev_t dev, int flags, int otyp, cred_t *credp);
int dcam_read(dev_t dev, struct uio *uio, cred_t *credp);
int dcam_write(dev_t dev, struct uio *uio, cred_t *credp);
int dcam_mmap(dev_t dev, off_t off, int prot);
int dcam_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
size_t *maplen, uint_t model);
int dcam_ioctl(dev_t dev, int cmd, intptr_t arg, int mode,
cred_t *credp, int *rvalp);
int dcam_chpoll(dev_t dev, short events, int anyyet, short *reventsp,
struct pollhead **phpp);
int dcam_intr(caddr_t dcam_softc_p);
void dcam_bus_reset_notify(dev_info_t *dip, ddi_eventcookie_t ev_cookie,
void *arg, void *impl_data);
ring_buff_t *ring_buff_create(dcam_state_t *softc_p, size_t num_buffs,
size_t buff_num_bytes);
void ring_buff_free(dcam_state_t *softc_p, ring_buff_t *ring_buff_p);
int ring_buff_reader_add(ring_buff_t *ring_buff_p);
int ring_buff_reader_remove(ring_buff_t *ring_buff_p, int reader_id);
buff_info_t *ring_buff_read_ptr_buff_get(ring_buff_t *ring_buff_p, int
reader_id);
size_t ring_buff_read_ptr_pos_get(ring_buff_t *ring_buff_p, int read_ptr_id);
void ring_buff_read_ptr_incr(ring_buff_t *ring_buff_p, int read_ptr_id);
size_t ring_buff_write_ptr_pos_get(ring_buff_t *ring_buff_p);
void ring_buff_write_ptr_incr(ring_buff_t *ring_buff_p);
int dcam_frame_rcv_stop(dcam_state_t *softc_p);
int dcam1394_ioctl_frame_rcv_start(dcam_state_t *softc_p);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_1394_TARGETS_DCAM1394_DCAM_H */