2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
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.
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
15 * GNU General Public License for more details.
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.
22 #include <linux/pci.h>
23 #include <linux/i2c.h>
24 #include <linux/i2c-algo-bit.h>
25 #include <linux/kdev_t.h>
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>
35 #include "btcx-risc.h"
36 #include "cx23885-reg.h"
38 #include <linux/version.h>
39 #include <linux/mutex.h>
41 #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
45 #define CX23885_MAXBOARDS 8
47 /* Max number of inputs by card */
48 #define MAX_CX23885_INPUT 8
50 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
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
60 CX23885_VMUX_COMPOSITE1 = 1,
61 CX23885_VMUX_COMPOSITE2,
62 CX23885_VMUX_COMPOSITE3,
63 CX23885_VMUX_COMPOSITE4,
65 CX23885_VMUX_TELEVISION,
72 enum cx23885_src_sel_type {
73 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
74 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
77 /* buffer for one video frame */
78 struct cx23885_buffer {
79 /* common v4l buffer stuff -- must be first */
80 struct videobuf_buffer vb;
82 /* cx23885 specific */
84 struct btcx_riscmem risc;
85 struct cx23885_fmt *fmt;
89 struct cx23885_input {
90 enum cx23885_itype type;
92 u32 gpio0, gpio1, gpio2, gpio3;
96 CX23885_MPEG_UNDEFINED = 0,
100 struct cx23885_board {
103 struct cx23885_input input[MAX_CX23885_INPUT];
106 struct cx23885_subid {
113 struct cx23885_dev *dev;
118 struct i2c_adapter i2c_adap;
119 struct i2c_algo_bit_data i2c_algo;
120 struct i2c_client i2c_client;
123 /* 885 registers used for raw addess */
132 struct cx23885_dmaqueue {
133 struct list_head active;
134 struct list_head queued;
135 struct timer_list timeout;
136 struct btcx_riscmem stopper;
140 struct cx23885_tsport {
141 struct cx23885_dev *dev;
146 struct videobuf_dvb dvb;
149 struct cx23885_dmaqueue mpegq;
165 u32 reg_bd_pkt_status;
167 u32 reg_fifo_ovfl_stat;
173 /* Default register vals */
183 struct list_head devlist;
188 unsigned char pci_rev, pci_lat;
189 int pci_bus, pci_slot;
194 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
195 struct cx23885_i2c i2c_bus[3];
204 struct cx23885_tsport ts2;
206 /* sram configuration */
207 struct sram_channel *sram_channels;
210 CX23885_BRIDGE_UNDEFINED = 0,
211 CX23885_BRIDGE_885 = 885,
212 CX23885_BRIDGE_887 = 887,
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 */
232 struct sram_channel {
246 /* ----------------------------------------------------------- */
248 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
249 #define cx_write(reg,value) writel((value), dev->lmmio + ((reg)>>2))
251 #define cx_andor(reg,mask,value) \
252 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
253 ((value) & (mask)), dev->lmmio+((reg)>>2))
255 #define cx_set(reg,bit) cx_andor((reg),(bit),(bit))
256 #define cx_clear(reg,bit) cx_andor((reg),(bit),0)
258 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
259 struct sram_channel *ch,
260 unsigned int bpl, u32 risc);
262 /* ----------------------------------------------------------- */
263 /* cx23885-cards.c */
265 extern struct cx23885_board cx23885_boards[];
266 extern const unsigned int cx23885_bcount;
268 extern struct cx23885_subid cx23885_subids[];
269 extern const unsigned int cx23885_idcount;
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);
275 extern int cx23885_dvb_register(struct cx23885_tsport *port);
276 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
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);
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);
288 /* ----------------------------------------------------------- */
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,
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