xref: /openbmc/linux/drivers/media/usb/pvrusb2/pvrusb2-devattr.h (revision d95c3885865b71e56d8d60c8617f2ce1f0fa079d)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *
4  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5  */
6 #ifndef __PVRUSB2_DEVATTR_H
7 #define __PVRUSB2_DEVATTR_H
8 
9 #include <linux/mod_devicetable.h>
10 #include <linux/videodev2.h>
11 #ifdef CONFIG_VIDEO_PVRUSB2_DVB
12 #include "pvrusb2-dvb.h"
13 #endif
14 
15 /*
16 
17   This header defines structures used to describe attributes of a device.
18 
19 */
20 
21 
22 #define PVR2_CLIENT_ID_NULL 0
23 #define PVR2_CLIENT_ID_MSP3400 1
24 #define PVR2_CLIENT_ID_CX25840 2
25 #define PVR2_CLIENT_ID_SAA7115 3
26 #define PVR2_CLIENT_ID_TUNER 4
27 #define PVR2_CLIENT_ID_CS53L32A 5
28 #define PVR2_CLIENT_ID_WM8775 6
29 #define PVR2_CLIENT_ID_DEMOD 7
30 
31 struct pvr2_device_client_desc {
32 	/* One ovr PVR2_CLIENT_ID_xxxx */
33 	unsigned char module_id;
34 
35 	/* Null-terminated array of I2C addresses to try in order
36 	   initialize the module.  It's safe to make this null terminated
37 	   since we're never going to encounter an i2c device with an
38 	   address of zero.  If this is a null pointer or zero-length,
39 	   then no I2C addresses have been specified, in which case we'll
40 	   try some compiled in defaults for now. */
41 	unsigned char *i2c_address_list;
42 };
43 
44 struct pvr2_device_client_table {
45 	const struct pvr2_device_client_desc *lst;
46 	unsigned char cnt;
47 };
48 
49 
50 struct pvr2_string_table {
51 	const char **lst;
52 	unsigned int cnt;
53 };
54 
55 #define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
56 #define PVR2_ROUTING_SCHEME_GOTVIEW 1
57 #define PVR2_ROUTING_SCHEME_ONAIR 2
58 #define PVR2_ROUTING_SCHEME_AV400 3
59 
60 #define PVR2_DIGITAL_SCHEME_NONE 0
61 #define PVR2_DIGITAL_SCHEME_HAUPPAUGE 1
62 #define PVR2_DIGITAL_SCHEME_ONAIR 2
63 
64 #define PVR2_LED_SCHEME_NONE 0
65 #define PVR2_LED_SCHEME_HAUPPAUGE 1
66 
67 #define PVR2_IR_SCHEME_NONE 0
68 #define PVR2_IR_SCHEME_24XXX 1 /* FX2-controlled IR */
69 #define PVR2_IR_SCHEME_ZILOG 2 /* HVR-1950 style (must be taken out of reset) */
70 #define PVR2_IR_SCHEME_24XXX_MCE 3 /* 24xxx MCE device */
71 #define PVR2_IR_SCHEME_29XXX 4 /* Original 29xxx device */
72 
73 /* This describes a particular hardware type (except for the USB device ID
74    which must live in a separate structure due to environmental
75    constraints).  See the top of pvrusb2-hdw.c for where this is
76    instantiated. */
77 struct pvr2_device_desc {
78 	/* Single line text description of hardware */
79 	const char *description;
80 
81 	/* Single token identifier for hardware */
82 	const char *shortname;
83 
84 	/* List of additional client modules we need to load */
85 	struct pvr2_string_table client_modules;
86 
87 	/* List of defined client modules we need to load */
88 	struct pvr2_device_client_table client_table;
89 
90 	/* List of FX2 firmware file names we should search; if empty then
91 	   FX2 firmware check / load is skipped and we assume the device
92 	   was initialized from internal ROM. */
93 	struct pvr2_string_table fx2_firmware;
94 
95 #ifdef CONFIG_VIDEO_PVRUSB2_DVB
96 	/* callback functions to handle attachment of digital tuner & demod */
97 	const struct pvr2_dvb_props *dvb_props;
98 
99 #endif
100 	/* Initial standard bits to use for this device, if not zero.
101 	   Anything set here is also implied as an available standard.
102 	   Note: This is ignored if overridden on the module load line via
103 	   the video_std module option. */
104 	v4l2_std_id default_std_mask;
105 
106 	/* V4L tuner type ID to use with this device (only used if the
107 	   driver could not discover the type any other way). */
108 	int default_tuner_type;
109 
110 	/* Signal routing scheme used by device, contains one of
111 	   PVR2_ROUTING_SCHEME_XXX.  Schemes have to be defined as we
112 	   encounter them.  This is an arbitrary integer scheme id; its
113 	   meaning is contained entirely within the driver and is
114 	   interpreted by logic which must send commands to the chip-level
115 	   drivers (search for things which touch this field). */
116 	unsigned char signal_routing_scheme;
117 
118 	/* Indicates scheme for controlling device's LED (if any).  The
119 	   driver will turn on the LED when streaming is underway.  This
120 	   contains one of PVR2_LED_SCHEME_XXX. */
121 	unsigned char led_scheme;
122 
123 	/* Control scheme to use if there is a digital tuner.  This
124 	   contains one of PVR2_DIGITAL_SCHEME_XXX.  This is an arbitrary
125 	   integer scheme id; its meaning is contained entirely within the
126 	   driver and is interpreted by logic which must control the
127 	   streaming pathway (search for things which touch this field). */
128 	unsigned char digital_control_scheme;
129 
130 	/* If set, we don't bother trying to load cx23416 firmware. */
131 	unsigned int flag_skip_cx23416_firmware:1;
132 
133 	/* If set, the encoder must be healthy in order for digital mode to
134 	   work (otherwise we assume that digital streaming will work even
135 	   if we fail to locate firmware for the encoder).  If the device
136 	   doesn't support digital streaming then this flag has no
137 	   effect. */
138 	unsigned int flag_digital_requires_cx23416:1;
139 
140 	/* Device has a hauppauge eeprom which we can interrogate. */
141 	unsigned int flag_has_hauppauge_rom:1;
142 
143 	/* Device does not require a powerup command to be issued. */
144 	unsigned int flag_no_powerup:1;
145 
146 	/* Device has a cx25840 - this enables special additional logic to
147 	   handle it. */
148 	unsigned int flag_has_cx25840:1;
149 
150 	/* Device has a wm8775 - this enables special additional logic to
151 	   ensure that it is found. */
152 	unsigned int flag_has_wm8775:1;
153 
154 	/* Indicate IR scheme of hardware.  If not set, then it is assumed
155 	   that IR can work without any help from the driver. */
156 	unsigned int ir_scheme:3;
157 
158 	/* These bits define which kinds of sources the device can handle.
159 	   Note: Digital tuner presence is inferred by the
160 	   digital_control_scheme enumeration. */
161 	unsigned int flag_has_fmradio:1;       /* Has FM radio receiver */
162 	unsigned int flag_has_analogtuner:1;   /* Has analog tuner */
163 	unsigned int flag_has_composite:1;     /* Has composite input */
164 	unsigned int flag_has_svideo:1;        /* Has s-video input */
165 	unsigned int flag_fx2_16kb:1;          /* 16KB FX2 firmware OK here */
166 
167 	/* If this driver is considered experimental, i.e. not all aspects
168 	   are working correctly and/or it is untested, mark that fact
169 	   with this flag. */
170 	unsigned int flag_is_experimental:1;
171 };
172 
173 extern struct usb_device_id pvr2_device_table[];
174 
175 #endif /* __PVRUSB2_HDW_INTERNAL_H */
176