1 /*
2  * ddbridge.h: Digital Devices PCIe bridge driver
3  *
4  * Copyright (C) 2010-2011 Digital Devices GmbH
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 only, as published by the Free Software Foundation.
9  *
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * To obtain the license, point your browser to
17  * http://www.gnu.org/copyleft/gpl.html
18  */
19 
20 #ifndef _DDBRIDGE_H_
21 #define _DDBRIDGE_H_
22 
23 #include <linux/types.h>
24 #include <linux/sched.h>
25 #include <linux/interrupt.h>
26 #include <linux/i2c.h>
27 #include <linux/mutex.h>
28 #include <asm/dma.h>
29 #include <linux/dvb/frontend.h>
30 #include <linux/dvb/ca.h>
31 #include <linux/socket.h>
32 
33 #include "dmxdev.h"
34 #include "dvbdev.h"
35 #include "dvb_demux.h"
36 #include "dvb_frontend.h"
37 #include "dvb_ringbuffer.h"
38 #include "dvb_ca_en50221.h"
39 #include "dvb_net.h"
40 #include "cxd2099.h"
41 
42 #define DDB_MAX_I2C     4
43 #define DDB_MAX_PORT    4
44 #define DDB_MAX_INPUT   8
45 #define DDB_MAX_OUTPUT  4
46 #define DDB_MAX_LINK    4
47 #define DDB_LINK_SHIFT 28
48 
49 #define DDB_LINK_TAG(_x) (_x << DDB_LINK_SHIFT)
50 
51 #define DDB_XO2_TYPE_NONE	0
52 #define DDB_XO2_TYPE_DUOFLEX	1
53 #define DDB_XO2_TYPE_CI		2
54 
55 struct ddb_info {
56 	int   type;
57 #define DDB_NONE		0
58 #define DDB_OCTOPUS		1
59 #define DDB_OCTOPUS_MAX_CT	6
60 	char *name;
61 	int   port_num;
62 	u32   port_type[DDB_MAX_PORT];
63 	u32   board_control;
64 	u32   board_control_2;
65 	u8    ts_quirks;
66 #define TS_QUIRK_SERIAL   1
67 #define TS_QUIRK_REVERSED 2
68 #define TS_QUIRK_ALT_OSC  8
69 };
70 
71 /* DMA_SIZE MUST be divisible by 188 and 128 !!! */
72 
73 #define INPUT_DMA_MAX_BUFS 32      /* hardware table limit */
74 #define INPUT_DMA_BUFS 8
75 #define INPUT_DMA_SIZE (128*47*21)
76 
77 #define OUTPUT_DMA_MAX_BUFS 32
78 #define OUTPUT_DMA_BUFS 8
79 #define OUTPUT_DMA_SIZE (128*47*21)
80 
81 struct ddb;
82 struct ddb_port;
83 
84 struct ddb_input {
85 	struct ddb_port       *port;
86 	u32                    nr;
87 	int                    attached;
88 
89 	dma_addr_t             pbuf[INPUT_DMA_MAX_BUFS];
90 	u8                    *vbuf[INPUT_DMA_MAX_BUFS];
91 	u32                    dma_buf_num;
92 	u32                    dma_buf_size;
93 
94 	struct tasklet_struct  tasklet;
95 	spinlock_t             lock;
96 	wait_queue_head_t      wq;
97 	int                    running;
98 	u32                    stat;
99 	u32                    cbuf;
100 	u32                    coff;
101 
102 	struct dvb_adapter     adap;
103 	struct dvb_device     *dev;
104 	struct i2c_client     *i2c_client[1];
105 	struct dvb_frontend   *fe;
106 	struct dvb_frontend   *fe2;
107 	struct dmxdev          dmxdev;
108 	struct dvb_demux       demux;
109 	struct dvb_net         dvbnet;
110 	struct dmx_frontend    hw_frontend;
111 	struct dmx_frontend    mem_frontend;
112 	int                    users;
113 	int (*gate_ctrl)(struct dvb_frontend *, int);
114 };
115 
116 struct ddb_output {
117 	struct ddb_port       *port;
118 	u32                    nr;
119 	dma_addr_t             pbuf[OUTPUT_DMA_MAX_BUFS];
120 	u8                    *vbuf[OUTPUT_DMA_MAX_BUFS];
121 	u32                    dma_buf_num;
122 	u32                    dma_buf_size;
123 	struct tasklet_struct  tasklet;
124 	spinlock_t             lock;
125 	wait_queue_head_t      wq;
126 	int                    running;
127 	u32                    stat;
128 	u32                    cbuf;
129 	u32                    coff;
130 
131 	struct dvb_adapter     adap;
132 	struct dvb_device     *dev;
133 };
134 
135 struct ddb_i2c {
136 	struct ddb            *dev;
137 	u32                    nr;
138 	struct i2c_adapter     adap;
139 	struct i2c_adapter     adap2;
140 	u32                    regs;
141 	u32                    rbuf;
142 	u32                    wbuf;
143 	int                    done;
144 	wait_queue_head_t      wq;
145 };
146 
147 struct ddb_port {
148 	struct ddb            *dev;
149 	u32                    nr;
150 	struct ddb_i2c        *i2c;
151 	struct mutex           i2c_gate_lock;
152 	u32                    class;
153 #define DDB_PORT_NONE           0
154 #define DDB_PORT_CI             1
155 #define DDB_PORT_TUNER          2
156 	u32                    type;
157 #define DDB_TUNER_NONE			0
158 #define DDB_TUNER_DVBS_ST		1
159 #define DDB_TUNER_DVBS_ST_AA		2
160 #define DDB_TUNER_DVBCT2_SONY_P		7
161 #define DDB_TUNER_DVBC2T2_SONY_P	8
162 #define DDB_TUNER_ISDBT_SONY_P		9
163 #define DDB_TUNER_DVBC2T2I_SONY_P	15
164 #define DDB_TUNER_DVBCT_TR		16
165 #define DDB_TUNER_DVBCT_ST		17
166 #define DDB_TUNER_XO2_DVBS_STV0910	32
167 #define DDB_TUNER_XO2_DVBCT2_SONY	33
168 #define DDB_TUNER_XO2_ISDBT_SONY	34
169 #define DDB_TUNER_XO2_DVBC2T2_SONY	35
170 #define DDB_TUNER_XO2_ATSC_ST		36
171 #define DDB_TUNER_XO2_DVBC2T2I_SONY	37
172 
173 	u32                    adr;
174 
175 	struct ddb_input      *input[2];
176 	struct ddb_output     *output;
177 	struct dvb_ca_en50221 *en;
178 };
179 
180 struct ddb {
181 	struct pci_dev        *pdev;
182 	unsigned char __iomem *regs;
183 	struct ddb_port        port[DDB_MAX_PORT];
184 	struct ddb_i2c         i2c[DDB_MAX_I2C];
185 	struct ddb_input       input[DDB_MAX_INPUT];
186 	struct ddb_output      output[DDB_MAX_OUTPUT];
187 
188 	struct device         *ddb_dev;
189 	int                    nr;
190 	u8                     iobuf[1028];
191 
192 	struct ddb_info       *info;
193 	int                    msi;
194 };
195 
196 /****************************************************************************/
197 
198 #define ddbwritel(_val, _adr)        writel((_val), \
199 				     dev->regs+(_adr))
200 #define ddbreadl(_adr)               readl(dev->regs+(_adr))
201 #define ddbcpyto(_adr, _src, _count) memcpy_toio(dev->regs+(_adr), (_src), (_count))
202 #define ddbcpyfrom(_dst, _adr, _count) memcpy_fromio((_dst), dev->regs+(_adr), (_count))
203 
204 /****************************************************************************/
205 
206 #endif
207