V4L/DVB (6196): cx23885: add support for DViCO FusionHDTV 5 Express
[linux-2.6.git] / drivers / media / video / cx23885 / cx23885.h
1 /*
2  *  Driver for the Conexant CX23885 PCIe bridge
3  *
4  *  Copyright (c) 2006 Steven Toth <stoth@hauppauge.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, or
9  *  (at your option) any later version.
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  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20  */
21
22 #include <linux/pci.h>
23 #include <linux/i2c.h>
24 #include <linux/i2c-algo-bit.h>
25 #include <linux/kdev_t.h>
26
27 #include <media/v4l2-common.h>
28 #include <media/tuner.h>
29 #include <media/tveeprom.h>
30 #include <media/video-buf.h>
31 #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE)
32 #include <media/video-buf-dvb.h>
33 #endif
34
35 #include "btcx-risc.h"
36 #include "cx23885-reg.h"
37
38 #include <linux/version.h>
39 #include <linux/mutex.h>
40
41 #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
42
43 #define UNSET (-1U)
44
45 #define CX23885_MAXBOARDS 8
46
47 /* Max number of inputs by card */
48 #define MAX_CX23885_INPUT 8
49
50 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
51
52 #define CX23885_BOARD_NOAUTO               UNSET
53 #define CX23885_BOARD_UNKNOWN                  0
54 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
55 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
56 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
57 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
58
59 enum cx23885_itype {
60         CX23885_VMUX_COMPOSITE1 = 1,
61         CX23885_VMUX_COMPOSITE2,
62         CX23885_VMUX_COMPOSITE3,
63         CX23885_VMUX_COMPOSITE4,
64         CX23885_VMUX_SVIDEO,
65         CX23885_VMUX_TELEVISION,
66         CX23885_VMUX_CABLE,
67         CX23885_VMUX_DVB,
68         CX23885_VMUX_DEBUG,
69         CX23885_RADIO,
70 };
71
72 enum cx23885_src_sel_type {
73         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
74         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
75 };
76
77 /* buffer for one video frame */
78 struct cx23885_buffer {
79         /* common v4l buffer stuff -- must be first */
80         struct videobuf_buffer vb;
81
82         /* cx23885 specific */
83         unsigned int           bpl;
84         struct btcx_riscmem    risc;
85         struct cx23885_fmt     *fmt;
86         u32                    count;
87 };
88
89 struct cx23885_input {
90         enum cx23885_itype type;
91         unsigned int    vmux;
92         u32             gpio0, gpio1, gpio2, gpio3;
93 };
94
95 typedef enum {
96         CX23885_MPEG_UNDEFINED = 0,
97         CX23885_MPEG_DVB
98 } port_t;
99
100 struct cx23885_board {
101         char                    *name;
102         port_t                  portb, portc;
103         struct cx23885_input    input[MAX_CX23885_INPUT];
104 };
105
106 struct cx23885_subid {
107         u16     subvendor;
108         u16     subdevice;
109         u32     card;
110 };
111
112 struct cx23885_i2c {
113         struct cx23885_dev *dev;
114
115         int                        nr;
116
117         /* i2c i/o */
118         struct i2c_adapter         i2c_adap;
119         struct i2c_algo_bit_data   i2c_algo;
120         struct i2c_client          i2c_client;
121         u32                        i2c_rc;
122
123         /* 885 registers used for raw addess */
124         u32                        i2c_period;
125         u32                        reg_ctrl;
126         u32                        reg_stat;
127         u32                        reg_addr;
128         u32                        reg_rdata;
129         u32                        reg_wdata;
130 };
131
132 struct cx23885_dmaqueue {
133         struct list_head       active;
134         struct list_head       queued;
135         struct timer_list      timeout;
136         struct btcx_riscmem    stopper;
137         u32                    count;
138 };
139
140 struct cx23885_tsport {
141         struct cx23885_dev *dev;
142
143         int                        nr;
144         int                        sram_chno;
145
146         struct videobuf_dvb        dvb;
147
148         /* dma queues */
149         struct cx23885_dmaqueue    mpegq;
150         u32                        ts_packet_size;
151         u32                        ts_packet_count;
152
153         int                        width;
154         int                        height;
155
156         spinlock_t                 slock;
157
158         /* registers */
159         u32                        reg_gpcnt;
160         u32                        reg_gpcnt_ctl;
161         u32                        reg_dma_ctl;
162         u32                        reg_lngth;
163         u32                        reg_hw_sop_ctrl;
164         u32                        reg_gen_ctrl;
165         u32                        reg_bd_pkt_status;
166         u32                        reg_sop_status;
167         u32                        reg_fifo_ovfl_stat;
168         u32                        reg_vld_misc;
169         u32                        reg_ts_clk_en;
170         u32                        reg_ts_int_msk;
171         u32                        reg_src_sel;
172
173         /* Default register vals */
174         int                        pci_irqmask;
175         u32                        dma_ctl_val;
176         u32                        ts_int_msk_val;
177         u32                        gen_ctrl_val;
178         u32                        ts_clk_en_val;
179         u32                        src_sel_val;
180 };
181
182 struct cx23885_dev {
183         struct list_head           devlist;
184         atomic_t                   refcount;
185
186         /* pci stuff */
187         struct pci_dev             *pci;
188         unsigned char              pci_rev, pci_lat;
189         int                        pci_bus, pci_slot;
190         u32                        __iomem *lmmio;
191         u8                         __iomem *bmmio;
192         int                        pci_irqmask;
193
194         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
195         struct cx23885_i2c         i2c_bus[3];
196
197         int                        nr;
198         struct mutex               lock;
199
200         /* board details */
201         unsigned int               board;
202         char                       name[32];
203
204         struct cx23885_tsport      ts2;
205
206         /* sram configuration */
207         struct sram_channel        *sram_channels;
208
209         enum {
210                 CX23885_BRIDGE_UNDEFINED = 0,
211                 CX23885_BRIDGE_885 = 885,
212                 CX23885_BRIDGE_887 = 887,
213         } bridge;
214 };
215
216 #define SRAM_CH01  0 /* Video A */
217 #define SRAM_CH02  1 /* VBI A */
218 #define SRAM_CH03  2 /* Video B */
219 #define SRAM_CH04  3 /* Transport via B */
220 #define SRAM_CH05  4 /* VBI B */
221 #define SRAM_CH06  5 /* Video C */
222 #define SRAM_CH07  6 /* Transport via C */
223 #define SRAM_CH08  7 /* Audio Internal A */
224 #define SRAM_CH09  8 /* Audio Internal B */
225 #define SRAM_CH10  9 /* Audio External */
226 #define SRAM_CH11 10 /* COMB_3D_N */
227 #define SRAM_CH12 11 /* Comb 3D N1 */
228 #define SRAM_CH13 12 /* Comb 3D N2 */
229 #define SRAM_CH14 13 /* MOE Vid */
230 #define SRAM_CH15 14 /* MOE RSLT */
231
232 struct sram_channel {
233         char *name;
234         u32  cmds_start;
235         u32  ctrl_start;
236         u32  cdt;
237         u32  fifo_start;;
238         u32  fifo_size;
239         u32  ptr1_reg;
240         u32  ptr2_reg;
241         u32  cnt1_reg;
242         u32  cnt2_reg;
243         u32  jumponly;
244 };
245
246 /* ----------------------------------------------------------- */
247
248 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
249 #define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
250
251 #define cx_andor(reg,mask,value) \
252   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
253   ((value) & (mask)), dev->lmmio+((reg)>>2))
254
255 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
256 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
257
258 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
259         struct sram_channel *ch,
260         unsigned int bpl, u32 risc);
261
262 /* ----------------------------------------------------------- */
263 /* cx23885-cards.c                                                */
264
265 extern struct cx23885_board cx23885_boards[];
266 extern const unsigned int cx23885_bcount;
267
268 extern struct cx23885_subid cx23885_subids[];
269 extern const unsigned int cx23885_idcount;
270
271 extern void cx23885_card_list(struct cx23885_dev *dev);
272 extern void cx23885_card_setup(struct cx23885_dev *dev);
273 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
274
275 extern int cx23885_dvb_register(struct cx23885_tsport *port);
276 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
277
278 extern int cx23885_buf_prepare(struct videobuf_queue *q,
279                                struct cx23885_tsport *port,
280                                struct cx23885_buffer *buf,
281                                enum v4l2_field field);
282
283 extern void cx23885_buf_queue(struct cx23885_tsport *port,
284                               struct cx23885_buffer *buf);
285 extern void cx23885_free_buffer(struct videobuf_queue *q,
286                                 struct cx23885_buffer *buf);
287
288 /* ----------------------------------------------------------- */
289 /* cx23885-i2c.c                                                */
290 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
291 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
292 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
293                                      void *arg);
294
295 /*
296  * Local variables:
297  * c-basic-offset: 8
298  * End:
299  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
300  */