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/videobuf-dma-sg.h>
31 #include <media/videobuf-dvb.h>
33 #include "btcx-risc.h"
34 #include "cx23885-reg.h"
36 #include <linux/version.h>
37 #include <linux/mutex.h>
39 #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
43 #define CX23885_MAXBOARDS 8
45 /* Max number of inputs by card */
46 #define MAX_CX23885_INPUT 8
48 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
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
58 CX23885_VMUX_COMPOSITE1 = 1,
59 CX23885_VMUX_COMPOSITE2,
60 CX23885_VMUX_COMPOSITE3,
61 CX23885_VMUX_COMPOSITE4,
63 CX23885_VMUX_TELEVISION,
70 enum cx23885_src_sel_type {
71 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
72 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
75 /* buffer for one video frame */
76 struct cx23885_buffer {
77 /* common v4l buffer stuff -- must be first */
78 struct videobuf_buffer vb;
80 /* cx23885 specific */
82 struct btcx_riscmem risc;
83 struct cx23885_fmt *fmt;
87 struct cx23885_input {
88 enum cx23885_itype type;
90 u32 gpio0, gpio1, gpio2, gpio3;
94 CX23885_MPEG_UNDEFINED = 0,
98 struct cx23885_board {
101 struct cx23885_input input[MAX_CX23885_INPUT];
104 struct cx23885_subid {
111 struct cx23885_dev *dev;
116 struct i2c_adapter i2c_adap;
117 struct i2c_algo_bit_data i2c_algo;
118 struct i2c_client i2c_client;
121 /* 885 registers used for raw addess */
130 struct cx23885_dmaqueue {
131 struct list_head active;
132 struct list_head queued;
133 struct timer_list timeout;
134 struct btcx_riscmem stopper;
138 struct cx23885_tsport {
139 struct cx23885_dev *dev;
144 struct videobuf_dvb dvb;
147 struct cx23885_dmaqueue mpegq;
163 u32 reg_bd_pkt_status;
165 u32 reg_fifo_ovfl_stat;
172 /* Default register vals */
182 struct list_head devlist;
187 unsigned char pci_rev, pci_lat;
188 int pci_bus, pci_slot;
193 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
194 struct cx23885_i2c i2c_bus[3];
203 struct cx23885_tsport ts1, ts2;
205 /* sram configuration */
206 struct sram_channel *sram_channels;
209 CX23885_BRIDGE_UNDEFINED = 0,
210 CX23885_BRIDGE_885 = 885,
211 CX23885_BRIDGE_887 = 887,
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 */
231 struct sram_channel {
245 /* ----------------------------------------------------------- */
247 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
248 #define cx_write(reg,value) writel((value), dev->lmmio + ((reg)>>2))
250 #define cx_andor(reg,mask,value) \
251 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
252 ((value) & (mask)), dev->lmmio+((reg)>>2))
254 #define cx_set(reg,bit) cx_andor((reg),(bit),(bit))
255 #define cx_clear(reg,bit) cx_andor((reg),(bit),0)
257 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
258 struct sram_channel *ch,
259 unsigned int bpl, u32 risc);
261 /* ----------------------------------------------------------- */
262 /* cx23885-cards.c */
264 extern struct cx23885_board cx23885_boards[];
265 extern const unsigned int cx23885_bcount;
267 extern struct cx23885_subid cx23885_subids[];
268 extern const unsigned int cx23885_idcount;
270 extern void cx23885_card_list(struct cx23885_dev *dev);
271 extern int cx23885_ir_init(struct cx23885_dev *dev);
272 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
273 extern void cx23885_card_setup(struct cx23885_dev *dev);
274 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
276 extern int cx23885_dvb_register(struct cx23885_tsport *port);
277 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
279 extern int cx23885_buf_prepare(struct videobuf_queue *q,
280 struct cx23885_tsport *port,
281 struct cx23885_buffer *buf,
282 enum v4l2_field field);
284 extern void cx23885_buf_queue(struct cx23885_tsport *port,
285 struct cx23885_buffer *buf);
286 extern void cx23885_free_buffer(struct videobuf_queue *q,
287 struct cx23885_buffer *buf);
289 /* ----------------------------------------------------------- */
291 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
292 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
293 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
300 * 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