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 * Copyright 2017 Joyent, Inc.
26 */
27
28 #ifndef _SYS_1394_TARGETS_DCAM1394_DCAM_H
29 #define _SYS_1394_TARGETS_DCAM1394_DCAM_H
30
31 #include <sys/modctl.h>
32 #include <sys/ksynch.h>
33 #include <sys/types.h>
34 #include <sys/dditypes.h>
35 #include <sys/1394/t1394.h>
36 #include <sys/dcam/dcam1394_io.h>
37
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
42 #define ILP32_PTR_SIZE 4 /* caller's data model type */
43 #define LP64_PTR_SIZE 8
44
45 #define DCAM_POWER_OFF 0 /* power management state */
46 #define DCAM_POWER_ON 1
47
48 #define DCAM1394_MINOR_CTRL 0x80 /* this is the control device */
49
50 #define DCAM1394_FLAG_ATTACH_COMPLETE 0x1 /* dcam_attach() is complete */
51 #define DCAM1394_FLAG_OPEN 0x2 /* driver is open */
52 #define DCAM1394_FLAG_OPEN_CAPTURE 0x4 /* device is open for capture */
53 #define DCAM1394_FLAG_OPEN_CONTROL 0x8 /* device is open for control */
54 #define DCAM1394_FLAG_FRAME_RCV_INIT 0x10
55 #define DCAM1394_FLAG_FRAME_RCVING 0x20
56 #define DCAM1394_FLAG_READ_REQ_PROC 0x40
57 #define DCAM1394_FLAG_READ_REQ_INVALID 0x80
58
59 #define IS_VALID 0x1
60 #define IS_PRESENT 0x2
61 #define CAP_GET 0x4
62 #define CAP_SET 0x8
63 #define CAP_CTRL_SET 0x10
64
65 #define MAX_STR_LEN 50
66
67 #define DEV_TO_INSTANCE(d) (getminor(d) & 0x7f)
68
69 typedef uint_t
70 dcam1394_param_attr_t[DCAM1394_NUM_PARAM][DCAM1394_NUM_SUBPARAM];
71
72 typedef struct buff_info_s {
73 uint_t vid_mode;
74 unsigned int seq_num;
75 hrtime_t timestamp;
76 caddr_t kaddr_p; /* kernel data buffer */
77 ddi_dma_handle_t dma_handle; /* bind handle */
78 ddi_acc_handle_t data_acc_handle; /* acc handle */
79 ddi_dma_cookie_t dma_cookie; /* cookie */
80 size_t real_len; /* mem len */
81 uint_t dma_cookie_count; /* cookie count */
82 } buff_info_t;
83
84 #define MAX_NUM_READ_PTRS 1
85
86 typedef struct ring_buff_s {
87 size_t num_buffs;
88 size_t buff_num_bytes;
89 buff_info_t *buff_info_array_p;
90 int num_read_ptrs;
91 int read_ptr_incr_val;
92 size_t read_ptr_pos[MAX_NUM_READ_PTRS];
93 uint_t status[MAX_NUM_READ_PTRS];
94 size_t write_ptr_pos;
95 } ring_buff_t;
96
97 typedef struct dcam_state_s {
98 dev_info_t *dip;
99 int instance;
100 int usr_model;
101 t1394_handle_t sl_handle;
102 t1394_attachinfo_t attachinfo;
103 t1394_targetinfo_t targetinfo;
104 t1394_isoch_singleinfo_t sii;
105 t1394_isoch_single_out_t sii_output_args;
106 t1394_isoch_single_handle_t sii_hdl;
107 t1394_isoch_dma_handle_t isoch_handle;
108 kmutex_t softc_mutex;
109 kmutex_t dcam_frame_is_done_mutex;
110 dcam1394_param_attr_t param_attr;
111
112 ixl1394_command_t *ixlp;
113
114 ring_buff_t *ring_buff_p;
115 unsigned int seq_count;
116 uint_t reader_flags[MAX_NUM_READ_PTRS];
117 uint_t flags;
118 int cur_vid_mode;
119 int cur_frame_rate;
120 int cur_ring_buff_capacity;
121 int param_status;
122 int camera_online;
123 int pm_open_count;
124 int pm_cable_power;
125 int suspended;
126 ddi_callback_id_t event_id;
127 } dcam_state_t;
128
129 int _init(void);
130 int _info(struct modinfo *modinfop);
131 int _fini(void);
132
133 int dcam_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
134 int dcam_power(dev_info_t *dip, int component, int level);
135 int dcam_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result);
136 int dcam_identify(dev_info_t *dip);
137 int dcam_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
138 int dcam_open(dev_t *devp, int flag, int otyp, cred_t *credp);
139 int dcam_close(dev_t dev, int flags, int otyp, cred_t *credp);
140 int dcam_read(dev_t dev, struct uio *uio, cred_t *credp);
141 int dcam_write(dev_t dev, struct uio *uio, cred_t *credp);
142 int dcam_mmap(dev_t dev, off_t off, int prot);
143 int dcam_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
144 size_t *maplen, uint_t model);
145 int dcam_ioctl(dev_t dev, int cmd, intptr_t arg, int mode,
146 cred_t *credp, int *rvalp);
147 int dcam_chpoll(dev_t dev, short events, int anyyet, short *reventsp,
148 struct pollhead **phpp);
149 int dcam_intr(caddr_t dcam_softc_p);
150 void dcam_bus_reset_notify(dev_info_t *dip, ddi_eventcookie_t ev_cookie,
151 void *arg, void *impl_data);
152
153
154 ring_buff_t *ring_buff_create(dcam_state_t *softc_p, size_t num_buffs,
155 size_t buff_num_bytes);
156 void ring_buff_free(dcam_state_t *softc_p, ring_buff_t *ring_buff_p);
157 int ring_buff_reader_add(ring_buff_t *ring_buff_p);
158 int ring_buff_reader_remove(ring_buff_t *ring_buff_p, int reader_id);
159 buff_info_t *ring_buff_read_ptr_buff_get(ring_buff_t *ring_buff_p, int
160 reader_id);
161 size_t ring_buff_read_ptr_pos_get(ring_buff_t *ring_buff_p, int read_ptr_id);
162 void ring_buff_read_ptr_incr(ring_buff_t *ring_buff_p, int read_ptr_id);
163 size_t ring_buff_write_ptr_pos_get(ring_buff_t *ring_buff_p);
164 void ring_buff_write_ptr_incr(ring_buff_t *ring_buff_p);
165 int dcam_frame_rcv_stop(dcam_state_t *softc_p);
166 int dcam1394_ioctl_frame_rcv_start(dcam_state_t *softc_p);
167
168 #ifdef __cplusplus
169 }
170 #endif
171
172 #endif /* _SYS_1394_TARGETS_DCAM1394_DCAM_H */