cx23885.h revision 3328e4fbf10a2c2513d4de662ab251e0f4cb7c3e 
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 CX88_VERSION_CODE KERNEL_VERSION(0,0,6)
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 SHADOW_MAX 3
51
52#define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
53
54#define CX23885_BOARD_NOAUTO               UNSET
55#define CX23885_BOARD_UNKNOWN                  0
56#define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
57#define CX23885_BOARD_HAUPPAUGE_HVR1800        2
58
59enum 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
72struct cx23885_fmt {
73	char  *name;
74	u32   fourcc;          /* v4l2 format id */
75	int   depth;
76	int   flags;
77	u32   cxformat;
78};
79
80/* buffer for one video frame */
81struct cx23885_buffer {
82	/* common v4l buffer stuff -- must be first */
83	struct videobuf_buffer vb;
84
85	/* cx23885 specific */
86	unsigned int           bpl;
87	struct btcx_riscmem    risc;
88	struct cx23885_fmt     *fmt;
89	u32                    count;
90};
91
92struct cx23885_input {
93	enum cx23885_itype type;
94	unsigned int    vmux;
95	u32             gpio0, gpio1, gpio2, gpio3;
96};
97
98struct cx23885_board {
99	char                    *name;
100	enum {
101		CX23885_MPEG_UNDEFINED = 0,
102		CX23885_MPEG_DVB
103	} portc;
104	enum {
105		CX23885_BRIDGE_UNDEFINED = 0,
106		CX23885_BRIDGE_885 = 885,
107		CX23885_BRIDGE_887 = 887,
108	} bridge;
109	struct cx23885_input    input[MAX_CX23885_INPUT];
110};
111
112struct cx23885_subid {
113	u16     subvendor;
114	u16     subdevice;
115	u32     card;
116};
117
118struct cx23885_i2c {
119	struct cx23885_dev *dev;
120
121	int                        nr;
122
123	/* i2c i/o */
124	struct i2c_adapter         i2c_adap;
125	struct i2c_algo_bit_data   i2c_algo;
126	struct i2c_client          i2c_client;
127	u32                        i2c_rc;
128
129	/* 885 registers used for raw addess */
130	u32                        i2c_period;
131	u32                        reg_ctrl;
132	u32                        reg_stat;
133	u32                        reg_addr;
134	u32                        reg_rdata;
135	u32                        reg_wdata;
136};
137
138struct cx23885_dmaqueue {
139	struct list_head       active;
140	struct list_head       queued;
141	struct timer_list      timeout;
142	struct btcx_riscmem    stopper;
143	u32                    count;
144};
145
146struct cx23885_tsport {
147	struct cx23885_dev *dev;
148
149	int                        nr;
150	int                        sram_chno;
151
152	struct videobuf_dvb        dvb;
153
154	/* dma queues */
155	struct cx23885_dmaqueue    mpegq;
156	u32                        ts_packet_size;
157	u32                        ts_packet_count;
158
159	int                        width;
160	int                        height;
161
162	spinlock_t                 slock;
163
164	/* registers */
165	u32                        reg_gpcnt;
166	u32                        reg_gpcnt_ctl;
167	u32                        reg_dma_ctl;
168	u32                        reg_lngth;
169	u32                        reg_hw_sop_ctrl;
170	u32                        reg_gen_ctrl;
171	u32                        reg_bd_pkt_status;
172	u32                        reg_sop_status;
173	u32                        reg_fifo_ovfl_stat;
174	u32                        reg_vld_misc;
175	u32                        reg_ts_clk_en;
176	u32                        reg_ts_int_msk;
177
178	/* Default register vals */
179	int                        pci_irqmask;
180	u32                        dma_ctl_val;
181	u32                        ts_int_msk_val;
182	u32                        gen_ctrl_val;
183	u32                        ts_clk_en_val;
184};
185
186struct cx23885_dev {
187	struct list_head           devlist;
188	atomic_t                   refcount;
189
190	/* pci stuff */
191	struct pci_dev             *pci;
192	unsigned char              pci_rev, pci_lat;
193	int                        pci_bus, pci_slot;
194	u32                        __iomem *lmmio;
195	u8                         __iomem *bmmio;
196	//u32                        shadow[SHADOW_MAX];
197	int                        pci_irqmask;
198
199	/* I2C adapters: Master 1 and 2 (External) and Master 3 (Internal only) */
200	struct cx23885_i2c         i2c_bus[3];
201
202	int                        nr;
203	struct mutex               lock;
204
205	/* board details */
206	unsigned int               board;
207	char                       name[32];
208
209	struct cx23885_tsport      ts2;
210
211	/* sram configuration */
212	struct sram_channel        *sram_channels;
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
231struct 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
258extern 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
265extern struct cx23885_board cx23885_boards[];
266extern const unsigned int cx23885_bcount;
267
268extern struct cx23885_subid cx23885_subids[];
269extern const unsigned int cx23885_idcount;
270
271extern void cx23885_card_list(struct cx23885_dev *dev);
272extern void cx23885_card_setup(struct cx23885_dev *dev);
273extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
274
275extern int cx23885_dvb_register(struct cx23885_tsport *port);
276extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
277
278extern int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
279			struct cx23885_buffer *buf, enum v4l2_field field);
280
281extern void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf);
282extern void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf);
283
284/* ----------------------------------------------------------- */
285/* cx23885-i2c.c                                                */
286extern int cx23885_i2c_register(struct cx23885_i2c *bus);
287extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
288extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd, void *arg);
289
290/*
291 * Local variables:
292 * c-basic-offset: 8
293 * End:
294 * 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
295 */
296