2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
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-device.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"
35 #include "media/cx2341x.h"
37 #include <linux/version.h>
38 #include <linux/mutex.h>
40 #define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 2)
44 #define CX23885_MAXBOARDS 8
46 /* Max number of inputs by card */
47 #define MAX_CX23885_INPUT 8
48 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
49 #define RESOURCE_OVERLAY 1
50 #define RESOURCE_VIDEO 2
51 #define RESOURCE_VBI 4
53 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
55 #define CX23885_BOARD_NOAUTO UNSET
56 #define CX23885_BOARD_UNKNOWN 0
57 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
58 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2
59 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3
60 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
61 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
62 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6
63 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7
64 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8
65 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9
66 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
67 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
68 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
69 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
70 #define CX23885_BOARD_TBS_6920 14
71 #define CX23885_BOARD_TEVII_S470 15
72 #define CX23885_BOARD_DVBWORLD_2005 16
73 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
74 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18
75 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19
76 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20
77 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21
78 #define CX23885_BOARD_MYGICA_X8506 22
79 #define CX23885_BOARD_MAGICPRO_PROHDTVE2 23
80 #define CX23885_BOARD_HAUPPAUGE_HVR1850 24
82 #define GPIO_0 0x00000001
83 #define GPIO_1 0x00000002
84 #define GPIO_2 0x00000004
85 #define GPIO_3 0x00000008
86 #define GPIO_4 0x00000010
87 #define GPIO_5 0x00000020
88 #define GPIO_6 0x00000040
89 #define GPIO_7 0x00000080
90 #define GPIO_8 0x00000100
91 #define GPIO_9 0x00000200
92 #define GPIO_10 0x00000400
93 #define GPIO_11 0x00000800
94 #define GPIO_12 0x00001000
95 #define GPIO_13 0x00002000
96 #define GPIO_14 0x00004000
97 #define GPIO_15 0x00008000
99 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
100 #define CX23885_NORMS (\
101 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
102 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
103 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
104 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
108 u32 fourcc; /* v4l2 format id */
114 struct cx23885_ctrl {
115 struct v4l2_queryctrl v;
122 struct cx23885_tvnorm {
130 struct cx23885_dev *dev;
131 enum v4l2_buf_type type;
136 struct v4l2_window win;
137 struct v4l2_clip *clips;
141 struct cx23885_fmt *fmt;
142 unsigned int width, height;
145 struct videobuf_queue vidq;
146 struct videobuf_queue vbiq;
148 /* MPEG Encoder specifics ONLY */
149 struct videobuf_queue mpegq;
150 atomic_t v4l_reading;
154 CX23885_VMUX_COMPOSITE1 = 1,
155 CX23885_VMUX_COMPOSITE2,
156 CX23885_VMUX_COMPOSITE3,
157 CX23885_VMUX_COMPOSITE4,
159 CX23885_VMUX_TELEVISION,
166 enum cx23885_src_sel_type {
167 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
168 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
171 /* buffer for one video frame */
172 struct cx23885_buffer {
173 /* common v4l buffer stuff -- must be first */
174 struct videobuf_buffer vb;
176 /* cx23885 specific */
178 struct btcx_riscmem risc;
179 struct cx23885_fmt *fmt;
183 struct cx23885_input {
184 enum cx23885_itype type;
186 u32 gpio0, gpio1, gpio2, gpio3;
190 CX23885_MPEG_UNDEFINED = 0,
192 CX23885_ANALOG_VIDEO,
193 CX23885_MPEG_ENCODER,
196 struct cx23885_board {
198 port_t porta, portb, portc;
199 unsigned int tuner_type;
200 unsigned int radio_type;
201 unsigned char tuner_addr;
202 unsigned char radio_addr;
204 /* Vendors can and do run the PCIe bridge at different
205 * clock rates, driven physically by crystals on the PCBs.
206 * The core has to accomodate this. This allows the user
207 * to add new boards with new frequencys. The value is
210 * The core framework will default this value based on
211 * current designs, but it can vary.
214 struct cx23885_input input[MAX_CX23885_INPUT];
215 int cimax; /* for NetUP */
218 struct cx23885_subid {
225 struct cx23885_dev *dev;
230 struct i2c_adapter i2c_adap;
231 struct i2c_algo_bit_data i2c_algo;
232 struct i2c_client i2c_client;
235 /* 885 registers used for raw addess */
244 struct cx23885_dmaqueue {
245 struct list_head active;
246 struct list_head queued;
247 struct timer_list timeout;
248 struct btcx_riscmem stopper;
252 struct cx23885_tsport {
253 struct cx23885_dev *dev;
258 struct videobuf_dvb_frontends frontends;
261 struct cx23885_dmaqueue mpegq;
277 u32 reg_bd_pkt_status;
279 u32 reg_fifo_ovfl_stat;
286 /* Default register vals */
296 /* Allow a single tsport to have multiple frontends */
300 /* FIXME: temporary hack */
301 int (*set_frontend_save) (struct dvb_frontend *,
302 struct dvb_frontend_parameters *);
306 struct list_head devlist;
308 struct v4l2_device v4l2_dev;
312 unsigned char pci_rev, pci_lat;
313 int pci_bus, pci_slot;
319 /* This valud is board specific and is used to configure the
320 * AV core so we see nice clean and stable video and audio. */
323 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
324 struct cx23885_i2c i2c_bus[3];
333 struct cx23885_tsport ts1, ts2;
335 /* sram configuration */
336 struct sram_channel *sram_channels;
339 CX23885_BRIDGE_UNDEFINED = 0,
340 CX23885_BRIDGE_885 = 885,
341 CX23885_BRIDGE_887 = 887,
349 unsigned int tuner_type;
350 unsigned char tuner_addr;
351 unsigned int radio_type;
352 unsigned char radio_addr;
353 unsigned int has_radio;
354 struct v4l2_subdev *sd_cx25840;
358 struct video_device *video_dev;
359 struct video_device *vbi_dev;
360 struct video_device *radio_dev;
362 struct cx23885_dmaqueue vidq;
363 struct cx23885_dmaqueue vbiq;
366 /* MPEG Encoder ONLY settings */
368 struct cx2341x_mpeg_params mpeg_params;
369 struct video_device *v4l_device;
370 atomic_t v4l_reader_count;
371 struct cx23885_tvnorm encodernorm;
375 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
377 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
380 #define call_all(dev, o, f, args...) \
381 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
383 extern struct list_head cx23885_devlist;
385 #define SRAM_CH01 0 /* Video A */
386 #define SRAM_CH02 1 /* VBI A */
387 #define SRAM_CH03 2 /* Video B */
388 #define SRAM_CH04 3 /* Transport via B */
389 #define SRAM_CH05 4 /* VBI B */
390 #define SRAM_CH06 5 /* Video C */
391 #define SRAM_CH07 6 /* Transport via C */
392 #define SRAM_CH08 7 /* Audio Internal A */
393 #define SRAM_CH09 8 /* Audio Internal B */
394 #define SRAM_CH10 9 /* Audio External */
395 #define SRAM_CH11 10 /* COMB_3D_N */
396 #define SRAM_CH12 11 /* Comb 3D N1 */
397 #define SRAM_CH13 12 /* Comb 3D N2 */
398 #define SRAM_CH14 13 /* MOE Vid */
399 #define SRAM_CH15 14 /* MOE RSLT */
401 struct sram_channel {
415 /* ----------------------------------------------------------- */
417 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
418 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
420 #define cx_andor(reg, mask, value) \
421 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
422 ((value) & (mask)), dev->lmmio+((reg)>>2))
424 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
425 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
427 /* ----------------------------------------------------------- */
430 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
431 struct sram_channel *ch,
432 unsigned int bpl, u32 risc);
434 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
435 struct sram_channel *ch);
437 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
438 u32 reg, u32 mask, u32 value);
440 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
441 struct scatterlist *sglist,
442 unsigned int top_offset, unsigned int bottom_offset,
443 unsigned int bpl, unsigned int padding, unsigned int lines);
445 void cx23885_cancel_buffers(struct cx23885_tsport *port);
447 extern int cx23885_restart_queue(struct cx23885_tsport *port,
448 struct cx23885_dmaqueue *q);
450 extern void cx23885_wakeup(struct cx23885_tsport *port,
451 struct cx23885_dmaqueue *q, u32 count);
453 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
454 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
455 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
459 /* ----------------------------------------------------------- */
460 /* cx23885-cards.c */
461 extern struct cx23885_board cx23885_boards[];
462 extern const unsigned int cx23885_bcount;
464 extern struct cx23885_subid cx23885_subids[];
465 extern const unsigned int cx23885_idcount;
467 extern int cx23885_tuner_callback(void *priv, int component,
468 int command, int arg);
469 extern void cx23885_card_list(struct cx23885_dev *dev);
470 extern int cx23885_ir_init(struct cx23885_dev *dev);
471 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
472 extern void cx23885_card_setup(struct cx23885_dev *dev);
473 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
475 extern int cx23885_dvb_register(struct cx23885_tsport *port);
476 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
478 extern int cx23885_buf_prepare(struct videobuf_queue *q,
479 struct cx23885_tsport *port,
480 struct cx23885_buffer *buf,
481 enum v4l2_field field);
482 extern void cx23885_buf_queue(struct cx23885_tsport *port,
483 struct cx23885_buffer *buf);
484 extern void cx23885_free_buffer(struct videobuf_queue *q,
485 struct cx23885_buffer *buf);
487 /* ----------------------------------------------------------- */
488 /* cx23885-video.c */
490 extern int cx23885_video_register(struct cx23885_dev *dev);
491 extern void cx23885_video_unregister(struct cx23885_dev *dev);
492 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
494 /* ----------------------------------------------------------- */
496 extern int cx23885_vbi_fmt(struct file *file, void *priv,
497 struct v4l2_format *f);
498 extern void cx23885_vbi_timeout(unsigned long data);
499 extern struct videobuf_queue_ops cx23885_vbi_qops;
502 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
503 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
504 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
506 /* ----------------------------------------------------------- */
508 extern int cx23885_417_register(struct cx23885_dev *dev);
509 extern void cx23885_417_unregister(struct cx23885_dev *dev);
510 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
511 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
512 extern void cx23885_mc417_init(struct cx23885_dev *dev);
513 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
514 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
515 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
516 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
517 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
520 /* ----------------------------------------------------------- */
523 static inline unsigned int norm_maxw(v4l2_std_id norm)
525 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
528 static inline unsigned int norm_maxh(v4l2_std_id norm)
530 return (norm & V4L2_STD_625_50) ? 576 : 480;
533 static inline unsigned int norm_swidth(v4l2_std_id norm)
535 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;