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>
26 #include <linux/slab.h>
28 #include <media/v4l2-device.h>
29 #include <media/tuner.h>
30 #include <media/tveeprom.h>
31 #include <media/videobuf-dma-sg.h>
32 #include <media/videobuf-dvb.h>
33 #include <media/rc-core.h>
35 #include "btcx-risc.h"
36 #include "cx23885-reg.h"
37 #include "media/cx2341x.h"
39 #include <linux/mutex.h>
41 #define CX23885_VERSION "0.0.3"
45 #define CX23885_MAXBOARDS 8
47 /* Max number of inputs by card */
48 #define MAX_CX23885_INPUT 8
49 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
50 #define RESOURCE_OVERLAY 1
51 #define RESOURCE_VIDEO 2
52 #define RESOURCE_VBI 4
54 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
56 #define CX23885_BOARD_NOAUTO UNSET
57 #define CX23885_BOARD_UNKNOWN 0
58 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
59 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2
60 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3
61 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
62 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
63 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6
64 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7
65 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8
66 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9
67 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
68 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
69 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
70 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
71 #define CX23885_BOARD_TBS_6920 14
72 #define CX23885_BOARD_TEVII_S470 15
73 #define CX23885_BOARD_DVBWORLD_2005 16
74 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
75 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18
76 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19
77 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20
78 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21
79 #define CX23885_BOARD_MYGICA_X8506 22
80 #define CX23885_BOARD_MAGICPRO_PROHDTVE2 23
81 #define CX23885_BOARD_HAUPPAUGE_HVR1850 24
82 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25
83 #define CX23885_BOARD_HAUPPAUGE_HVR1290 26
84 #define CX23885_BOARD_MYGICA_X8558PRO 27
85 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
86 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29
87 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
88 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
89 #define CX23885_BOARD_MPX885 32
91 #define GPIO_0 0x00000001
92 #define GPIO_1 0x00000002
93 #define GPIO_2 0x00000004
94 #define GPIO_3 0x00000008
95 #define GPIO_4 0x00000010
96 #define GPIO_5 0x00000020
97 #define GPIO_6 0x00000040
98 #define GPIO_7 0x00000080
99 #define GPIO_8 0x00000100
100 #define GPIO_9 0x00000200
101 #define GPIO_10 0x00000400
102 #define GPIO_11 0x00000800
103 #define GPIO_12 0x00001000
104 #define GPIO_13 0x00002000
105 #define GPIO_14 0x00004000
106 #define GPIO_15 0x00008000
108 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
109 #define CX23885_NORMS (\
110 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
111 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
112 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
113 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
117 u32 fourcc; /* v4l2 format id */
123 struct cx23885_ctrl {
124 struct v4l2_queryctrl v;
131 struct cx23885_tvnorm {
139 struct cx23885_dev *dev;
140 enum v4l2_buf_type type;
145 struct v4l2_window win;
146 struct v4l2_clip *clips;
150 struct cx23885_fmt *fmt;
151 unsigned int width, height;
154 struct videobuf_queue vidq;
155 struct videobuf_queue vbiq;
157 /* MPEG Encoder specifics ONLY */
158 struct videobuf_queue mpegq;
159 atomic_t v4l_reading;
163 CX23885_VMUX_COMPOSITE1 = 1,
164 CX23885_VMUX_COMPOSITE2,
165 CX23885_VMUX_COMPOSITE3,
166 CX23885_VMUX_COMPOSITE4,
168 CX23885_VMUX_COMPONENT,
169 CX23885_VMUX_TELEVISION,
176 enum cx23885_src_sel_type {
177 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
178 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
181 /* buffer for one video frame */
182 struct cx23885_buffer {
183 /* common v4l buffer stuff -- must be first */
184 struct videobuf_buffer vb;
186 /* cx23885 specific */
188 struct btcx_riscmem risc;
189 struct cx23885_fmt *fmt;
193 struct cx23885_input {
194 enum cx23885_itype type;
197 u32 gpio0, gpio1, gpio2, gpio3;
201 CX23885_MPEG_UNDEFINED = 0,
203 CX23885_ANALOG_VIDEO,
204 CX23885_MPEG_ENCODER,
207 struct cx23885_board {
209 port_t porta, portb, portc;
210 int num_fds_portb, num_fds_portc;
211 unsigned int tuner_type;
212 unsigned int radio_type;
213 unsigned char tuner_addr;
214 unsigned char radio_addr;
215 unsigned int tuner_bus;
217 /* Vendors can and do run the PCIe bridge at different
218 * clock rates, driven physically by crystals on the PCBs.
219 * The core has to accommodate this. This allows the user
220 * to add new boards with new frequencys. The value is
223 * The core framework will default this value based on
224 * current designs, but it can vary.
227 struct cx23885_input input[MAX_CX23885_INPUT];
228 int ci_type; /* for NetUP */
231 struct cx23885_subid {
238 struct cx23885_dev *dev;
243 struct i2c_adapter i2c_adap;
244 struct i2c_algo_bit_data i2c_algo;
245 struct i2c_client i2c_client;
248 /* 885 registers used for raw addess */
257 struct cx23885_dmaqueue {
258 struct list_head active;
259 struct list_head queued;
260 struct timer_list timeout;
261 struct btcx_riscmem stopper;
265 struct cx23885_tsport {
266 struct cx23885_dev *dev;
271 struct videobuf_dvb_frontends frontends;
274 struct cx23885_dmaqueue mpegq;
290 u32 reg_bd_pkt_status;
292 u32 reg_fifo_ovfl_stat;
299 /* Default register vals */
309 /* Allow a single tsport to have multiple frontends */
311 void (*gate_ctrl)(struct cx23885_tsport *port, int open);
315 struct cx23885_kernel_ir {
316 struct cx23885_dev *cx;
323 struct cx23885_audio_buffer {
325 struct btcx_riscmem risc;
326 struct videobuf_dmabuf dma;
329 struct cx23885_audio_dev {
330 struct cx23885_dev *dev;
334 struct snd_card *card;
340 unsigned int dma_size;
341 unsigned int period_size;
342 unsigned int num_periods;
344 struct videobuf_dmabuf *dma_risc;
346 struct cx23885_audio_buffer *buf;
348 struct snd_pcm_substream *substream;
353 struct v4l2_device v4l2_dev;
357 unsigned char pci_rev, pci_lat;
358 int pci_bus, pci_slot;
362 spinlock_t pci_irqmask_lock; /* protects mask reg too */
365 /* This valud is board specific and is used to configure the
366 * AV core so we see nice clean and stable video and audio. */
369 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
370 struct cx23885_i2c i2c_bus[3];
374 struct mutex gpio_lock;
380 struct cx23885_tsport ts1, ts2;
382 /* sram configuration */
383 struct sram_channel *sram_channels;
386 CX23885_BRIDGE_UNDEFINED = 0,
387 CX23885_BRIDGE_885 = 885,
388 CX23885_BRIDGE_887 = 887,
389 CX23885_BRIDGE_888 = 888,
395 unsigned int audinput; /* Selectable audio input */
398 unsigned int tuner_type;
399 unsigned char tuner_addr;
400 unsigned int tuner_bus;
401 unsigned int radio_type;
402 unsigned char radio_addr;
403 unsigned int has_radio;
404 struct v4l2_subdev *sd_cx25840;
405 struct work_struct cx25840_work;
408 struct v4l2_subdev *sd_ir;
409 struct work_struct ir_rx_work;
410 unsigned long ir_rx_notifications;
411 struct work_struct ir_tx_work;
412 unsigned long ir_tx_notifications;
414 struct cx23885_kernel_ir *kernel_ir;
415 atomic_t ir_input_stopping;
419 struct video_device *video_dev;
420 struct video_device *vbi_dev;
421 struct video_device *radio_dev;
423 struct cx23885_dmaqueue vidq;
424 struct cx23885_dmaqueue vbiq;
427 /* MPEG Encoder ONLY settings */
429 struct cx2341x_mpeg_params mpeg_params;
430 struct video_device *v4l_device;
431 atomic_t v4l_reader_count;
432 struct cx23885_tvnorm encodernorm;
434 /* Analog raw audio */
435 struct cx23885_audio_dev *audio_dev;
439 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
441 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
444 #define call_all(dev, o, f, args...) \
445 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
447 #define CX23885_HW_888_IR (1 << 0)
448 #define CX23885_HW_AV_CORE (1 << 1)
450 #define call_hw(dev, grpid, o, f, args...) \
451 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
453 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
455 #define SRAM_CH01 0 /* Video A */
456 #define SRAM_CH02 1 /* VBI A */
457 #define SRAM_CH03 2 /* Video B */
458 #define SRAM_CH04 3 /* Transport via B */
459 #define SRAM_CH05 4 /* VBI B */
460 #define SRAM_CH06 5 /* Video C */
461 #define SRAM_CH07 6 /* Transport via C */
462 #define SRAM_CH08 7 /* Audio Internal A */
463 #define SRAM_CH09 8 /* Audio Internal B */
464 #define SRAM_CH10 9 /* Audio External */
465 #define SRAM_CH11 10 /* COMB_3D_N */
466 #define SRAM_CH12 11 /* Comb 3D N1 */
467 #define SRAM_CH13 12 /* Comb 3D N2 */
468 #define SRAM_CH14 13 /* MOE Vid */
469 #define SRAM_CH15 14 /* MOE RSLT */
471 struct sram_channel {
485 /* ----------------------------------------------------------- */
487 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
488 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
490 #define cx_andor(reg, mask, value) \
491 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
492 ((value) & (mask)), dev->lmmio+((reg)>>2))
494 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
495 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
497 /* ----------------------------------------------------------- */
500 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
501 struct sram_channel *ch,
502 unsigned int bpl, u32 risc);
504 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
505 struct sram_channel *ch);
507 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
508 u32 reg, u32 mask, u32 value);
510 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
511 struct scatterlist *sglist,
512 unsigned int top_offset, unsigned int bottom_offset,
513 unsigned int bpl, unsigned int padding, unsigned int lines);
515 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
516 struct btcx_riscmem *risc, struct scatterlist *sglist,
517 unsigned int top_offset, unsigned int bottom_offset,
518 unsigned int bpl, unsigned int padding, unsigned int lines);
520 void cx23885_cancel_buffers(struct cx23885_tsport *port);
522 extern int cx23885_restart_queue(struct cx23885_tsport *port,
523 struct cx23885_dmaqueue *q);
525 extern void cx23885_wakeup(struct cx23885_tsport *port,
526 struct cx23885_dmaqueue *q, u32 count);
528 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
529 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
530 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
531 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
534 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
535 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
536 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
537 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
539 /* ----------------------------------------------------------- */
540 /* cx23885-cards.c */
541 extern struct cx23885_board cx23885_boards[];
542 extern const unsigned int cx23885_bcount;
544 extern struct cx23885_subid cx23885_subids[];
545 extern const unsigned int cx23885_idcount;
547 extern int cx23885_tuner_callback(void *priv, int component,
548 int command, int arg);
549 extern void cx23885_card_list(struct cx23885_dev *dev);
550 extern int cx23885_ir_init(struct cx23885_dev *dev);
551 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
552 extern void cx23885_ir_fini(struct cx23885_dev *dev);
553 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
554 extern void cx23885_card_setup(struct cx23885_dev *dev);
555 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
557 extern int cx23885_dvb_register(struct cx23885_tsport *port);
558 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
560 extern int cx23885_buf_prepare(struct videobuf_queue *q,
561 struct cx23885_tsport *port,
562 struct cx23885_buffer *buf,
563 enum v4l2_field field);
564 extern void cx23885_buf_queue(struct cx23885_tsport *port,
565 struct cx23885_buffer *buf);
566 extern void cx23885_free_buffer(struct videobuf_queue *q,
567 struct cx23885_buffer *buf);
569 /* ----------------------------------------------------------- */
570 /* cx23885-video.c */
572 extern int cx23885_video_register(struct cx23885_dev *dev);
573 extern void cx23885_video_unregister(struct cx23885_dev *dev);
574 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
575 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
576 struct cx23885_dmaqueue *q, u32 count);
578 /* ----------------------------------------------------------- */
580 extern int cx23885_vbi_fmt(struct file *file, void *priv,
581 struct v4l2_format *f);
582 extern void cx23885_vbi_timeout(unsigned long data);
583 extern struct videobuf_queue_ops cx23885_vbi_qops;
584 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
585 struct cx23885_dmaqueue *q);
586 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
589 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
590 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
591 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
593 /* ----------------------------------------------------------- */
595 extern int cx23885_417_register(struct cx23885_dev *dev);
596 extern void cx23885_417_unregister(struct cx23885_dev *dev);
597 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
598 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
599 extern void cx23885_mc417_init(struct cx23885_dev *dev);
600 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
601 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
602 extern int mc417_register_read(struct cx23885_dev *dev,
603 u16 address, u32 *value);
604 extern int mc417_register_write(struct cx23885_dev *dev,
605 u16 address, u32 value);
606 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
607 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
608 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
610 /* ----------------------------------------------------------- */
612 extern struct cx23885_audio_dev *cx23885_audio_register(
613 struct cx23885_dev *dev);
614 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
615 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
616 extern int cx23885_risc_databuffer(struct pci_dev *pci,
617 struct btcx_riscmem *risc,
618 struct scatterlist *sglist,
623 /* ----------------------------------------------------------- */
626 static inline unsigned int norm_maxw(v4l2_std_id norm)
628 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
631 static inline unsigned int norm_maxh(v4l2_std_id norm)
633 return (norm & V4L2_STD_625_50) ? 576 : 480;
636 static inline unsigned int norm_swidth(v4l2_std_id norm)
638 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;