62b44f6d749fe867323a5da94af3688fabd8c582
[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
58 enum cx23885_itype {
59         CX23885_VMUX_COMPOSITE1 = 1,
60         CX23885_VMUX_COMPOSITE2,
61         CX23885_VMUX_COMPOSITE3,
62         CX23885_VMUX_COMPOSITE4,
63         CX23885_VMUX_SVIDEO,
64         CX23885_VMUX_TELEVISION,
65         CX23885_VMUX_CABLE,
66         CX23885_VMUX_DVB,
67         CX23885_VMUX_DEBUG,
68         CX23885_RADIO,
69 };
70
71 enum cx23885_src_sel_type {
72         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
73         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
74 };
75
76 /* buffer for one video frame */
77 struct cx23885_buffer {
78         /* common v4l buffer stuff -- must be first */
79         struct videobuf_buffer vb;
80
81         /* cx23885 specific */
82         unsigned int           bpl;
83         struct btcx_riscmem    risc;
84         struct cx23885_fmt     *fmt;
85         u32                    count;
86 };
87
88 struct cx23885_input {
89         enum cx23885_itype type;
90         unsigned int    vmux;
91         u32             gpio0, gpio1, gpio2, gpio3;
92 };
93
94 typedef enum {
95         CX23885_MPEG_UNDEFINED = 0,
96         CX23885_MPEG_DVB
97 } port_t;
98
99 struct cx23885_board {
100         char                    *name;
101         port_t                  portb, portc;
102         struct cx23885_input    input[MAX_CX23885_INPUT];
103 };
104
105 struct cx23885_subid {
106         u16     subvendor;
107         u16     subdevice;
108         u32     card;
109 };
110
111 struct cx23885_i2c {
112         struct cx23885_dev *dev;
113
114         int                        nr;
115
116         /* i2c i/o */
117         struct i2c_adapter         i2c_adap;
118         struct i2c_algo_bit_data   i2c_algo;
119         struct i2c_client          i2c_client;
120         u32                        i2c_rc;
121
122         /* 885 registers used for raw addess */
123         u32                        i2c_period;
124         u32                        reg_ctrl;
125         u32                        reg_stat;
126         u32                        reg_addr;
127         u32                        reg_rdata;
128         u32                        reg_wdata;
129 };
130
131 struct cx23885_dmaqueue {
132         struct list_head       active;
133         struct list_head       queued;
134         struct timer_list      timeout;
135         struct btcx_riscmem    stopper;
136         u32                    count;
137 };
138
139 struct cx23885_tsport {
140         struct cx23885_dev *dev;
141
142         int                        nr;
143         int                        sram_chno;
144
145         struct videobuf_dvb        dvb;
146
147         /* dma queues */
148         struct cx23885_dmaqueue    mpegq;
149         u32                        ts_packet_size;
150         u32                        ts_packet_count;
151
152         int                        width;
153         int                        height;
154
155         spinlock_t                 slock;
156
157         /* registers */
158         u32                        reg_gpcnt;
159         u32                        reg_gpcnt_ctl;
160         u32                        reg_dma_ctl;
161         u32                        reg_lngth;
162         u32                        reg_hw_sop_ctrl;
163         u32                        reg_gen_ctrl;
164         u32                        reg_bd_pkt_status;
165         u32                        reg_sop_status;
166         u32                        reg_fifo_ovfl_stat;
167         u32                        reg_vld_misc;
168         u32                        reg_ts_clk_en;
169         u32                        reg_ts_int_msk;
170         u32                        reg_src_sel;
171
172         /* Default register vals */
173         int                        pci_irqmask;
174         u32                        dma_ctl_val;
175         u32                        ts_int_msk_val;
176         u32                        gen_ctrl_val;
177         u32                        ts_clk_en_val;
178         u32                        src_sel_val;
179 };
180
181 struct cx23885_dev {
182         struct list_head           devlist;
183         atomic_t                   refcount;
184
185         /* pci stuff */
186         struct pci_dev             *pci;
187         unsigned char              pci_rev, pci_lat;
188         int                        pci_bus, pci_slot;
189         u32                        __iomem *lmmio;
190         u8                         __iomem *bmmio;
191         int                        pci_irqmask;
192
193         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
194         struct cx23885_i2c         i2c_bus[3];
195
196         int                        nr;
197         struct mutex               lock;
198
199         /* board details */
200         unsigned int               board;
201         char                       name[32];
202
203         struct cx23885_tsport      ts2;
204
205         /* sram configuration */
206         struct sram_channel        *sram_channels;
207
208         enum {
209                 CX23885_BRIDGE_UNDEFINED = 0,
210                 CX23885_BRIDGE_885 = 885,
211                 CX23885_BRIDGE_887 = 887,
212         } bridge;
213 };
214
215 #define SRAM_CH01  0 /* Video A */
216 #define SRAM_CH02  1 /* VBI A */
217 #define SRAM_CH03  2 /* Video B */
218 #define SRAM_CH04  3 /* Transport via B */
219 #define SRAM_CH05  4 /* VBI B */
220 #define SRAM_CH06  5 /* Video C */
221 #define SRAM_CH07  6 /* Transport via C */
222 #define SRAM_CH08  7 /* Audio Internal A */
223 #define SRAM_CH09  8 /* Audio Internal B */
224 #define SRAM_CH10  9 /* Audio External */
225 #define SRAM_CH11 10 /* COMB_3D_N */
226 #define SRAM_CH12 11 /* Comb 3D N1 */
227 #define SRAM_CH13 12 /* Comb 3D N2 */
228 #define SRAM_CH14 13 /* MOE Vid */
229 #define SRAM_CH15 14 /* MOE RSLT */
230
231 struct sram_channel {
232         char *name;
233         u32  cmds_start;
234         u32  ctrl_start;
235         u32  cdt;
236         u32  fifo_start;;
237         u32  fifo_size;
238         u32  ptr1_reg;
239         u32  ptr2_reg;
240         u32  cnt1_reg;
241         u32  cnt2_reg;
242         u32  jumponly;
243 };
244
245 /* ----------------------------------------------------------- */
246
247 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
248 #define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
249
250 #define cx_andor(reg,mask,value) \
251   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
252   ((value) & (mask)), dev->lmmio+((reg)>>2))
253
254 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
255 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
256
257 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
258         struct sram_channel *ch,
259         unsigned int bpl, u32 risc);
260
261 /* ----------------------------------------------------------- */
262 /* cx23885-cards.c                                                */
263
264 extern struct cx23885_board cx23885_boards[];
265 extern const unsigned int cx23885_bcount;
266
267 extern struct cx23885_subid cx23885_subids[];
268 extern const unsigned int cx23885_idcount;
269
270 extern void cx23885_card_list(struct cx23885_dev *dev);
271 extern void cx23885_card_setup(struct cx23885_dev *dev);
272 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
273
274 extern int cx23885_dvb_register(struct cx23885_tsport *port);
275 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
276
277 extern int cx23885_buf_prepare(struct videobuf_queue *q,
278                                struct cx23885_tsport *port,
279                                struct cx23885_buffer *buf,
280                                enum v4l2_field field);
281
282 extern void cx23885_buf_queue(struct cx23885_tsport *port,
283                               struct cx23885_buffer *buf);
284 extern void cx23885_free_buffer(struct videobuf_queue *q,
285                                 struct cx23885_buffer *buf);
286
287 /* ----------------------------------------------------------- */
288 /* cx23885-i2c.c                                                */
289 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
290 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
291 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
292                                      void *arg);
293
294 /*
295  * Local variables:
296  * c-basic-offset: 8
297  * End:
298  * 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
299  */