205640cc48f77cdcb377a7cd5d6ca16ca6d233d0
[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/videobuf-dma-sg.h>
31 #include <media/videobuf-dvb.h>
32
33 #include "btcx-risc.h"
34 #include "cx23885-reg.h"
35
36 #include <linux/version.h>
37 #include <linux/mutex.h>
38
39 #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
40
41 #define UNSET (-1U)
42
43 #define CX23885_MAXBOARDS 8
44
45 /* Max number of inputs by card */
46 #define MAX_CX23885_INPUT 8
47
48 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
49
50 #define CX23885_BOARD_NOAUTO               UNSET
51 #define CX23885_BOARD_UNKNOWN                  0
52 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
53 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
54 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
55 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
56
57 enum cx23885_itype {
58         CX23885_VMUX_COMPOSITE1 = 1,
59         CX23885_VMUX_COMPOSITE2,
60         CX23885_VMUX_COMPOSITE3,
61         CX23885_VMUX_COMPOSITE4,
62         CX23885_VMUX_SVIDEO,
63         CX23885_VMUX_TELEVISION,
64         CX23885_VMUX_CABLE,
65         CX23885_VMUX_DVB,
66         CX23885_VMUX_DEBUG,
67         CX23885_RADIO,
68 };
69
70 enum cx23885_src_sel_type {
71         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
72         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
73 };
74
75 /* buffer for one video frame */
76 struct cx23885_buffer {
77         /* common v4l buffer stuff -- must be first */
78         struct videobuf_buffer vb;
79
80         /* cx23885 specific */
81         unsigned int           bpl;
82         struct btcx_riscmem    risc;
83         struct cx23885_fmt     *fmt;
84         u32                    count;
85 };
86
87 struct cx23885_input {
88         enum cx23885_itype type;
89         unsigned int    vmux;
90         u32             gpio0, gpio1, gpio2, gpio3;
91 };
92
93 typedef enum {
94         CX23885_MPEG_UNDEFINED = 0,
95         CX23885_MPEG_DVB
96 } port_t;
97
98 struct cx23885_board {
99         char                    *name;
100         port_t                  portb, portc;
101         struct cx23885_input    input[MAX_CX23885_INPUT];
102 };
103
104 struct cx23885_subid {
105         u16     subvendor;
106         u16     subdevice;
107         u32     card;
108 };
109
110 struct cx23885_i2c {
111         struct cx23885_dev *dev;
112
113         int                        nr;
114
115         /* i2c i/o */
116         struct i2c_adapter         i2c_adap;
117         struct i2c_algo_bit_data   i2c_algo;
118         struct i2c_client          i2c_client;
119         u32                        i2c_rc;
120
121         /* 885 registers used for raw addess */
122         u32                        i2c_period;
123         u32                        reg_ctrl;
124         u32                        reg_stat;
125         u32                        reg_addr;
126         u32                        reg_rdata;
127         u32                        reg_wdata;
128 };
129
130 struct cx23885_dmaqueue {
131         struct list_head       active;
132         struct list_head       queued;
133         struct timer_list      timeout;
134         struct btcx_riscmem    stopper;
135         u32                    count;
136 };
137
138 struct cx23885_tsport {
139         struct cx23885_dev *dev;
140
141         int                        nr;
142         int                        sram_chno;
143
144         struct videobuf_dvb        dvb;
145
146         /* dma queues */
147         struct cx23885_dmaqueue    mpegq;
148         u32                        ts_packet_size;
149         u32                        ts_packet_count;
150
151         int                        width;
152         int                        height;
153
154         spinlock_t                 slock;
155
156         /* registers */
157         u32                        reg_gpcnt;
158         u32                        reg_gpcnt_ctl;
159         u32                        reg_dma_ctl;
160         u32                        reg_lngth;
161         u32                        reg_hw_sop_ctrl;
162         u32                        reg_gen_ctrl;
163         u32                        reg_bd_pkt_status;
164         u32                        reg_sop_status;
165         u32                        reg_fifo_ovfl_stat;
166         u32                        reg_vld_misc;
167         u32                        reg_ts_clk_en;
168         u32                        reg_ts_int_msk;
169         u32                        reg_ts_int_stat;
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      ts1, 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 /* ----------------------------------------------------------- */
258 /* cx23885-cards.c                                                */
259
260 extern struct cx23885_board cx23885_boards[];
261 extern const unsigned int cx23885_bcount;
262
263 extern struct cx23885_subid cx23885_subids[];
264 extern const unsigned int cx23885_idcount;
265
266 extern void cx23885_card_list(struct cx23885_dev *dev);
267 extern int  cx23885_ir_init(struct cx23885_dev *dev);
268 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
269 extern void cx23885_card_setup(struct cx23885_dev *dev);
270 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
271
272 extern int cx23885_dvb_register(struct cx23885_tsport *port);
273 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
274
275 extern int cx23885_buf_prepare(struct videobuf_queue *q,
276                                struct cx23885_tsport *port,
277                                struct cx23885_buffer *buf,
278                                enum v4l2_field field);
279
280 extern void cx23885_buf_queue(struct cx23885_tsport *port,
281                               struct cx23885_buffer *buf);
282 extern void cx23885_free_buffer(struct videobuf_queue *q,
283                                 struct cx23885_buffer *buf);
284
285 /* ----------------------------------------------------------- */
286 /* cx23885-i2c.c                                                */
287 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
288 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
289 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
290                                      void *arg);
291
292 /*
293  * Local variables:
294  * c-basic-offset: 8
295  * End:
296  * 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
297  */