xref: /linux/drivers/media/usb/pvrusb2/pvrusb2-devattr.h (revision bb9707077b4ee5f77bc9939b057ff8a0d410296f)
1 /*
2  *
3  *
4  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this program; if not, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  *
19  */
20 #ifndef __PVRUSB2_DEVATTR_H
21 #define __PVRUSB2_DEVATTR_H
22 
23 #include <linux/mod_devicetable.h>
24 #include <linux/videodev2.h>
25 #ifdef CONFIG_VIDEO_PVRUSB2_DVB
26 #include "pvrusb2-dvb.h"
27 #endif
28 
29 /*
30 
31   This header defines structures used to describe attributes of a device.
32 
33 */
34 
35 
36 #define PVR2_CLIENT_ID_NULL 0
37 #define PVR2_CLIENT_ID_MSP3400 1
38 #define PVR2_CLIENT_ID_CX25840 2
39 #define PVR2_CLIENT_ID_SAA7115 3
40 #define PVR2_CLIENT_ID_TUNER 4
41 #define PVR2_CLIENT_ID_CS53L32A 5
42 #define PVR2_CLIENT_ID_WM8775 6
43 #define PVR2_CLIENT_ID_DEMOD 7
44 
45 struct pvr2_device_client_desc {
46 	/* One ovr PVR2_CLIENT_ID_xxxx */
47 	unsigned char module_id;
48 
49 	/* Null-terminated array of I2C addresses to try in order
50 	   initialize the module.  It's safe to make this null terminated
51 	   since we're never going to encounter an i2c device with an
52 	   address of zero.  If this is a null pointer or zero-length,
53 	   then no I2C addresses have been specified, in which case we'll
54 	   try some compiled in defaults for now. */
55 	unsigned char *i2c_address_list;
56 };
57 
58 struct pvr2_device_client_table {
59 	const struct pvr2_device_client_desc *lst;
60 	unsigned char cnt;
61 };
62 
63 
64 struct pvr2_string_table {
65 	const char **lst;
66 	unsigned int cnt;
67 };
68 
69 #define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
70 #define PVR2_ROUTING_SCHEME_GOTVIEW 1
71 #define PVR2_ROUTING_SCHEME_ONAIR 2
72 #define PVR2_ROUTING_SCHEME_AV400 3
73 
74 #define PVR2_DIGITAL_SCHEME_NONE 0
75 #define PVR2_DIGITAL_SCHEME_HAUPPAUGE 1
76 #define PVR2_DIGITAL_SCHEME_ONAIR 2
77 
78 #define PVR2_LED_SCHEME_NONE 0
79 #define PVR2_LED_SCHEME_HAUPPAUGE 1
80 
81 #define PVR2_IR_SCHEME_NONE 0
82 #define PVR2_IR_SCHEME_24XXX 1 /* FX2-controlled IR */
83 #define PVR2_IR_SCHEME_ZILOG 2 /* HVR-1950 style (must be taken out of reset) */
84 #define PVR2_IR_SCHEME_24XXX_MCE 3 /* 24xxx MCE device */
85 #define PVR2_IR_SCHEME_29XXX 4 /* Original 29xxx device */
86 
87 /* This describes a particular hardware type (except for the USB device ID
88    which must live in a separate structure due to environmental
89    constraints).  See the top of pvrusb2-hdw.c for where this is
90    instantiated. */
91 struct pvr2_device_desc {
92 	/* Single line text description of hardware */
93 	const char *description;
94 
95 	/* Single token identifier for hardware */
96 	const char *shortname;
97 
98 	/* List of additional client modules we need to load */
99 	struct pvr2_string_table client_modules;
100 
101 	/* List of defined client modules we need to load */
102 	struct pvr2_device_client_table client_table;
103 
104 	/* List of FX2 firmware file names we should search; if empty then
105 	   FX2 firmware check / load is skipped and we assume the device
106 	   was initialized from internal ROM. */
107 	struct pvr2_string_table fx2_firmware;
108 
109 #ifdef CONFIG_VIDEO_PVRUSB2_DVB
110 	/* callback functions to handle attachment of digital tuner & demod */
111 	const struct pvr2_dvb_props *dvb_props;
112 
113 #endif
114 	/* Initial standard bits to use for this device, if not zero.
115 	   Anything set here is also implied as an available standard.
116 	   Note: This is ignored if overridden on the module load line via
117 	   the video_std module option. */
118 	v4l2_std_id default_std_mask;
119 
120 	/* V4L tuner type ID to use with this device (only used if the
121 	   driver could not discover the type any other way). */
122 	int default_tuner_type;
123 
124 	/* Signal routing scheme used by device, contains one of
125 	   PVR2_ROUTING_SCHEME_XXX.  Schemes have to be defined as we
126 	   encounter them.  This is an arbitrary integer scheme id; its
127 	   meaning is contained entirely within the driver and is
128 	   interpreted by logic which must send commands to the chip-level
129 	   drivers (search for things which touch this field). */
130 	unsigned char signal_routing_scheme;
131 
132 	/* Indicates scheme for controlling device's LED (if any).  The
133 	   driver will turn on the LED when streaming is underway.  This
134 	   contains one of PVR2_LED_SCHEME_XXX. */
135 	unsigned char led_scheme;
136 
137 	/* Control scheme to use if there is a digital tuner.  This
138 	   contains one of PVR2_DIGITAL_SCHEME_XXX.  This is an arbitrary
139 	   integer scheme id; its meaning is contained entirely within the
140 	   driver and is interpreted by logic which must control the
141 	   streaming pathway (search for things which touch this field). */
142 	unsigned char digital_control_scheme;
143 
144 	/* If set, we don't bother trying to load cx23416 firmware. */
145 	unsigned int flag_skip_cx23416_firmware:1;
146 
147 	/* If set, the encoder must be healthy in order for digital mode to
148 	   work (otherwise we assume that digital streaming will work even
149 	   if we fail to locate firmware for the encoder).  If the device
150 	   doesn't support digital streaming then this flag has no
151 	   effect. */
152 	unsigned int flag_digital_requires_cx23416:1;
153 
154 	/* Device has a hauppauge eeprom which we can interrogate. */
155 	unsigned int flag_has_hauppauge_rom:1;
156 
157 	/* Device does not require a powerup command to be issued. */
158 	unsigned int flag_no_powerup:1;
159 
160 	/* Device has a cx25840 - this enables special additional logic to
161 	   handle it. */
162 	unsigned int flag_has_cx25840:1;
163 
164 	/* Device has a wm8775 - this enables special additional logic to
165 	   ensure that it is found. */
166 	unsigned int flag_has_wm8775:1;
167 
168 	/* Indicate IR scheme of hardware.  If not set, then it is assumed
169 	   that IR can work without any help from the driver. */
170 	unsigned int ir_scheme:3;
171 
172 	/* These bits define which kinds of sources the device can handle.
173 	   Note: Digital tuner presence is inferred by the
174 	   digital_control_scheme enumeration. */
175 	unsigned int flag_has_fmradio:1;       /* Has FM radio receiver */
176 	unsigned int flag_has_analogtuner:1;   /* Has analog tuner */
177 	unsigned int flag_has_composite:1;     /* Has composite input */
178 	unsigned int flag_has_svideo:1;        /* Has s-video input */
179 	unsigned int flag_fx2_16kb:1;          /* 16KB FX2 firmware OK here */
180 
181 	/* If this driver is considered experimental, i.e. not all aspects
182 	   are working correctly and/or it is untested, mark that fact
183 	   with this flag. */
184 	unsigned int flag_is_experimental:1;
185 };
186 
187 extern struct usb_device_id pvr2_device_table[];
188 
189 #endif /* __PVRUSB2_HDW_INTERNAL_H */
190