xref: /titanic_41/usr/src/uts/common/sys/1394/targets/dcam1394/dcam.h (revision 8eea8e29cc4374d1ee24c25a07f45af132db3499)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_1394_TARGETS_DCAM1394_DCAM_H
28 #define	_SYS_1394_TARGETS_DCAM1394_DCAM_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/modctl.h>
33 #include <sys/ksynch.h>
34 #include <sys/types.h>
35 #include <sys/dditypes.h>
36 #include <sys/1394/t1394.h>
37 #include <sys/dcam/dcam1394_io.h>
38 
39 #ifdef	__cplusplus
40 extern "C" {
41 #endif
42 
43 #define	ILP32_PTR_SIZE	4	/* caller's data model type	*/
44 #define	LP64_PTR_SIZE 	8
45 
46 #define	DCAM_POWER_OFF	0	/* power management state	*/
47 #define	DCAM_POWER_ON	1
48 
49 #define	DCAM1394_MINOR_CTRL	0x80		/* this is the control device */
50 
51 #define	DCAM1394_FLAG_ATTACH_COMPLETE	0x1  /* dcam_attach() is complete */
52 #define	DCAM1394_FLAG_OPEN		0x2  /* driver is open */
53 #define	DCAM1394_FLAG_OPEN_CAPTURE	0x4  /* device is open for capture */
54 #define	DCAM1394_FLAG_OPEN_CONTROL	0x8  /* device is open for control */
55 #define	DCAM1394_FLAG_FRAME_RCV_INIT	0x10
56 #define	DCAM1394_FLAG_FRAME_RCVING	0x20
57 #define	DCAM1394_FLAG_READ_REQ_PROC	0x40
58 #define	DCAM1394_FLAG_READ_REQ_INVALID	0x80
59 
60 #define	IS_VALID	0x1
61 #define	IS_PRESENT	0x2
62 #define	CAP_GET		0x4
63 #define	CAP_SET		0x8
64 #define	CAP_CTRL_SET	0x10
65 
66 #define	MAX_STR_LEN	50
67 
68 #define	DEV_TO_INSTANCE(d) (getminor(d) & 0x7f)
69 
70 typedef uint_t
71     dcam1394_param_attr_t[DCAM1394_NUM_PARAM][DCAM1394_NUM_SUBPARAM];
72 
73 typedef struct buff_info_s {
74 	uint_t			vid_mode;
75 	unsigned int		seq_num;
76 	hrtime_t		timestamp;
77 	caddr_t			kaddr_p;		/* kernel data buffer */
78 	ddi_dma_handle_t	dma_handle;		/* bind handle */
79 	ddi_acc_handle_t	data_acc_handle;  	/* acc handle */
80 	ddi_dma_cookie_t	dma_cookie;		/* cookie */
81 	size_t			real_len;    		/* mem len */
82 	uint_t			dma_cookie_count;	/* cookie count */
83 } buff_info_t;
84 
85 #define	MAX_NUM_READ_PTRS 1
86 
87 typedef struct ring_buff_s {
88 	size_t		 num_buffs;
89 	size_t		 buff_num_bytes;
90 	buff_info_t	*buff_info_array_p;
91 	int		 num_read_ptrs;
92 	int		 read_ptr_incr_val;
93 	size_t		 read_ptr_pos[MAX_NUM_READ_PTRS];
94 	uint_t		 status[MAX_NUM_READ_PTRS];
95 	size_t		 write_ptr_pos;
96 } ring_buff_t;
97 
98 typedef struct dcam_state_s {
99 	dev_info_t			*dip;
100 	int				instance;
101 	int				usr_model;
102 	t1394_handle_t			sl_handle;
103 	t1394_attachinfo_t		attachinfo;
104 	t1394_targetinfo_t		targetinfo;
105 	t1394_isoch_singleinfo_t	sii;
106 	t1394_isoch_single_out_t	sii_output_args;
107 	t1394_isoch_single_handle_t	sii_hdl;
108 	t1394_isoch_dma_handle_t 	isoch_handle;
109 	kmutex_t			softc_mutex;
110 	kmutex_t			dcam_frame_is_done_mutex;
111 	dcam1394_param_attr_t		param_attr;
112 
113 	ixl1394_command_t		*ixlp;
114 
115 	ring_buff_t			*ring_buff_p;
116 	unsigned int			seq_count;
117 	uint_t				reader_flags[MAX_NUM_READ_PTRS];
118 	uint_t				flags;
119 	int				cur_vid_mode;
120 	int				cur_frame_rate;
121 	int				cur_ring_buff_capacity;
122 	int				param_status;
123 	struct pollhead			dcam_pollhead;
124 	int				camera_online;
125 	int				pm_open_count;
126 	int				pm_cable_power;
127 	int				suspended;
128 	ddi_callback_id_t		event_id;
129 } dcam_state_t;
130 
131 int _init(void);
132 int _info(struct modinfo *modinfop);
133 int _fini(void);
134 
135 int dcam_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
136 int dcam_power(dev_info_t *dip, int component, int level);
137 int dcam_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result);
138 int dcam_identify(dev_info_t *dip);
139 int dcam_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
140 int dcam_open(dev_t *devp, int flag, int otyp, cred_t *credp);
141 int dcam_close(dev_t dev, int flags, int otyp, cred_t *credp);
142 int dcam_read(dev_t dev, struct uio *uio, cred_t *credp);
143 int dcam_write(dev_t dev, struct uio *uio, cred_t *credp);
144 int dcam_mmap(dev_t dev, off_t off, int prot);
145 int dcam_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
146     size_t *maplen, uint_t model);
147 int dcam_ioctl(dev_t dev, int cmd, intptr_t arg, int mode,
148     cred_t *credp, int *rvalp);
149 int dcam_chpoll(dev_t dev, short events, int anyyet, short *reventsp,
150     struct pollhead **phpp);
151 int dcam_intr(caddr_t dcam_softc_p);
152 void dcam_bus_reset_notify(dev_info_t *dip, ddi_eventcookie_t ev_cookie,
153     void *arg, void *impl_data);
154 
155 
156 ring_buff_t *ring_buff_create(dcam_state_t *softc_p, size_t num_buffs,
157     size_t buff_num_bytes);
158 void ring_buff_free(dcam_state_t *softc_p, ring_buff_t *ring_buff_p);
159 int ring_buff_reader_add(ring_buff_t *ring_buff_p);
160 int ring_buff_reader_remove(ring_buff_t *ring_buff_p, int reader_id);
161 buff_info_t *ring_buff_read_ptr_buff_get(ring_buff_t *ring_buff_p, int
162     reader_id);
163 size_t ring_buff_read_ptr_pos_get(ring_buff_t *ring_buff_p, int read_ptr_id);
164 void ring_buff_read_ptr_incr(ring_buff_t *ring_buff_p, int read_ptr_id);
165 size_t ring_buff_write_ptr_pos_get(ring_buff_t *ring_buff_p);
166 void ring_buff_write_ptr_incr(ring_buff_t *ring_buff_p);
167 int dcam_frame_rcv_stop(dcam_state_t *softc_p);
168 int dcam1394_ioctl_frame_rcv_start(dcam_state_t *softc_p);
169 
170 #ifdef	__cplusplus
171 }
172 #endif
173 
174 #endif	/* _SYS_1394_TARGETS_DCAM1394_DCAM_H */
175