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
90 #define CX23885_BOARD_MYGICA_X8507 33
91 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
92 #define CX23885_BOARD_TEVII_S471 35
94 #define GPIO_0 0x00000001
95 #define GPIO_1 0x00000002
96 #define GPIO_2 0x00000004
97 #define GPIO_3 0x00000008
98 #define GPIO_4 0x00000010
99 #define GPIO_5 0x00000020
100 #define GPIO_6 0x00000040
101 #define GPIO_7 0x00000080
102 #define GPIO_8 0x00000100
103 #define GPIO_9 0x00000200
104 #define GPIO_10 0x00000400
105 #define GPIO_11 0x00000800
106 #define GPIO_12 0x00001000
107 #define GPIO_13 0x00002000
108 #define GPIO_14 0x00004000
109 #define GPIO_15 0x00008000
111 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
112 #define CX23885_NORMS (\
113 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
114 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
115 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
116 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
120 u32 fourcc; /* v4l2 format id */
126 struct cx23885_ctrl {
127 struct v4l2_queryctrl v;
134 struct cx23885_tvnorm {
142 struct cx23885_dev *dev;
143 enum v4l2_buf_type type;
148 struct v4l2_window win;
149 struct v4l2_clip *clips;
153 struct cx23885_fmt *fmt;
154 unsigned int width, height;
157 struct videobuf_queue vidq;
158 struct videobuf_queue vbiq;
160 /* MPEG Encoder specifics ONLY */
161 struct videobuf_queue mpegq;
162 atomic_t v4l_reading;
166 CX23885_VMUX_COMPOSITE1 = 1,
167 CX23885_VMUX_COMPOSITE2,
168 CX23885_VMUX_COMPOSITE3,
169 CX23885_VMUX_COMPOSITE4,
171 CX23885_VMUX_COMPONENT,
172 CX23885_VMUX_TELEVISION,
179 enum cx23885_src_sel_type {
180 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
181 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
184 /* buffer for one video frame */
185 struct cx23885_buffer {
186 /* common v4l buffer stuff -- must be first */
187 struct videobuf_buffer vb;
189 /* cx23885 specific */
191 struct btcx_riscmem risc;
192 struct cx23885_fmt *fmt;
196 struct cx23885_input {
197 enum cx23885_itype type;
200 u32 gpio0, gpio1, gpio2, gpio3;
204 CX23885_MPEG_UNDEFINED = 0,
206 CX23885_ANALOG_VIDEO,
207 CX23885_MPEG_ENCODER,
210 struct cx23885_board {
212 port_t porta, portb, portc;
213 int num_fds_portb, num_fds_portc;
214 unsigned int tuner_type;
215 unsigned int radio_type;
216 unsigned char tuner_addr;
217 unsigned char radio_addr;
218 unsigned int tuner_bus;
220 /* Vendors can and do run the PCIe bridge at different
221 * clock rates, driven physically by crystals on the PCBs.
222 * The core has to accommodate this. This allows the user
223 * to add new boards with new frequencys. The value is
226 * The core framework will default this value based on
227 * current designs, but it can vary.
230 struct cx23885_input input[MAX_CX23885_INPUT];
231 int ci_type; /* for NetUP */
232 /* Force bottom field first during DMA (888 workaround) */
236 struct cx23885_subid {
243 struct cx23885_dev *dev;
248 struct i2c_adapter i2c_adap;
249 struct i2c_algo_bit_data i2c_algo;
250 struct i2c_client i2c_client;
253 /* 885 registers used for raw addess */
262 struct cx23885_dmaqueue {
263 struct list_head active;
264 struct list_head queued;
265 struct timer_list timeout;
266 struct btcx_riscmem stopper;
270 struct cx23885_tsport {
271 struct cx23885_dev *dev;
276 struct videobuf_dvb_frontends frontends;
279 struct cx23885_dmaqueue mpegq;
295 u32 reg_bd_pkt_status;
297 u32 reg_fifo_ovfl_stat;
304 /* Default register vals */
314 /* Allow a single tsport to have multiple frontends */
316 void (*gate_ctrl)(struct cx23885_tsport *port, int open);
319 /* Workaround for a temp dvb_frontend that the tuner can attached to */
320 struct dvb_frontend analog_fe;
323 struct cx23885_kernel_ir {
324 struct cx23885_dev *cx;
331 struct cx23885_audio_buffer {
333 struct btcx_riscmem risc;
334 struct videobuf_dmabuf dma;
337 struct cx23885_audio_dev {
338 struct cx23885_dev *dev;
342 struct snd_card *card;
348 unsigned int dma_size;
349 unsigned int period_size;
350 unsigned int num_periods;
352 struct videobuf_dmabuf *dma_risc;
354 struct cx23885_audio_buffer *buf;
356 struct snd_pcm_substream *substream;
361 struct v4l2_device v4l2_dev;
365 unsigned char pci_rev, pci_lat;
366 int pci_bus, pci_slot;
370 spinlock_t pci_irqmask_lock; /* protects mask reg too */
373 /* This valud is board specific and is used to configure the
374 * AV core so we see nice clean and stable video and audio. */
377 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
378 struct cx23885_i2c i2c_bus[3];
382 struct mutex gpio_lock;
388 struct cx23885_tsport ts1, ts2;
390 /* sram configuration */
391 struct sram_channel *sram_channels;
394 CX23885_BRIDGE_UNDEFINED = 0,
395 CX23885_BRIDGE_885 = 885,
396 CX23885_BRIDGE_887 = 887,
397 CX23885_BRIDGE_888 = 888,
403 unsigned int audinput; /* Selectable audio input */
406 unsigned int tuner_type;
407 unsigned char tuner_addr;
408 unsigned int tuner_bus;
409 unsigned int radio_type;
410 unsigned char radio_addr;
411 unsigned int has_radio;
412 struct v4l2_subdev *sd_cx25840;
413 struct work_struct cx25840_work;
416 struct v4l2_subdev *sd_ir;
417 struct work_struct ir_rx_work;
418 unsigned long ir_rx_notifications;
419 struct work_struct ir_tx_work;
420 unsigned long ir_tx_notifications;
422 struct cx23885_kernel_ir *kernel_ir;
423 atomic_t ir_input_stopping;
427 struct video_device *video_dev;
428 struct video_device *vbi_dev;
429 struct video_device *radio_dev;
431 struct cx23885_dmaqueue vidq;
432 struct cx23885_dmaqueue vbiq;
435 /* MPEG Encoder ONLY settings */
437 struct cx2341x_mpeg_params mpeg_params;
438 struct video_device *v4l_device;
439 atomic_t v4l_reader_count;
440 struct cx23885_tvnorm encodernorm;
442 /* Analog raw audio */
443 struct cx23885_audio_dev *audio_dev;
447 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
449 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
452 #define call_all(dev, o, f, args...) \
453 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
455 #define CX23885_HW_888_IR (1 << 0)
456 #define CX23885_HW_AV_CORE (1 << 1)
458 #define call_hw(dev, grpid, o, f, args...) \
459 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
461 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
463 #define SRAM_CH01 0 /* Video A */
464 #define SRAM_CH02 1 /* VBI A */
465 #define SRAM_CH03 2 /* Video B */
466 #define SRAM_CH04 3 /* Transport via B */
467 #define SRAM_CH05 4 /* VBI B */
468 #define SRAM_CH06 5 /* Video C */
469 #define SRAM_CH07 6 /* Transport via C */
470 #define SRAM_CH08 7 /* Audio Internal A */
471 #define SRAM_CH09 8 /* Audio Internal B */
472 #define SRAM_CH10 9 /* Audio External */
473 #define SRAM_CH11 10 /* COMB_3D_N */
474 #define SRAM_CH12 11 /* Comb 3D N1 */
475 #define SRAM_CH13 12 /* Comb 3D N2 */
476 #define SRAM_CH14 13 /* MOE Vid */
477 #define SRAM_CH15 14 /* MOE RSLT */
479 struct sram_channel {
493 /* ----------------------------------------------------------- */
495 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
496 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
498 #define cx_andor(reg, mask, value) \
499 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
500 ((value) & (mask)), dev->lmmio+((reg)>>2))
502 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
503 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
505 /* ----------------------------------------------------------- */
508 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
509 struct sram_channel *ch,
510 unsigned int bpl, u32 risc);
512 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
513 struct sram_channel *ch);
515 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
516 u32 reg, u32 mask, u32 value);
518 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
519 struct scatterlist *sglist,
520 unsigned int top_offset, unsigned int bottom_offset,
521 unsigned int bpl, unsigned int padding, unsigned int lines);
523 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
524 struct btcx_riscmem *risc, struct scatterlist *sglist,
525 unsigned int top_offset, unsigned int bottom_offset,
526 unsigned int bpl, unsigned int padding, unsigned int lines);
528 void cx23885_cancel_buffers(struct cx23885_tsport *port);
530 extern int cx23885_restart_queue(struct cx23885_tsport *port,
531 struct cx23885_dmaqueue *q);
533 extern void cx23885_wakeup(struct cx23885_tsport *port,
534 struct cx23885_dmaqueue *q, u32 count);
536 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
537 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
538 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
539 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
542 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
543 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
544 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
545 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
547 /* ----------------------------------------------------------- */
548 /* cx23885-cards.c */
549 extern struct cx23885_board cx23885_boards[];
550 extern const unsigned int cx23885_bcount;
552 extern struct cx23885_subid cx23885_subids[];
553 extern const unsigned int cx23885_idcount;
555 extern int cx23885_tuner_callback(void *priv, int component,
556 int command, int arg);
557 extern void cx23885_card_list(struct cx23885_dev *dev);
558 extern int cx23885_ir_init(struct cx23885_dev *dev);
559 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
560 extern void cx23885_ir_fini(struct cx23885_dev *dev);
561 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
562 extern void cx23885_card_setup(struct cx23885_dev *dev);
563 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
565 extern int cx23885_dvb_register(struct cx23885_tsport *port);
566 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
568 extern int cx23885_buf_prepare(struct videobuf_queue *q,
569 struct cx23885_tsport *port,
570 struct cx23885_buffer *buf,
571 enum v4l2_field field);
572 extern void cx23885_buf_queue(struct cx23885_tsport *port,
573 struct cx23885_buffer *buf);
574 extern void cx23885_free_buffer(struct videobuf_queue *q,
575 struct cx23885_buffer *buf);
577 /* ----------------------------------------------------------- */
578 /* cx23885-video.c */
580 extern int cx23885_video_register(struct cx23885_dev *dev);
581 extern void cx23885_video_unregister(struct cx23885_dev *dev);
582 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
583 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
584 struct cx23885_dmaqueue *q, u32 count);
585 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
586 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
587 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
588 int cx23885_set_frequency(struct file *file, void *priv, struct v4l2_frequency *f);
589 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
590 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
591 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
593 /* ----------------------------------------------------------- */
595 extern int cx23885_vbi_fmt(struct file *file, void *priv,
596 struct v4l2_format *f);
597 extern void cx23885_vbi_timeout(unsigned long data);
598 extern struct videobuf_queue_ops cx23885_vbi_qops;
599 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
600 struct cx23885_dmaqueue *q);
601 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
604 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
605 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
606 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
608 /* ----------------------------------------------------------- */
610 extern int cx23885_417_register(struct cx23885_dev *dev);
611 extern void cx23885_417_unregister(struct cx23885_dev *dev);
612 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
613 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
614 extern void cx23885_mc417_init(struct cx23885_dev *dev);
615 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
616 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
617 extern int mc417_register_read(struct cx23885_dev *dev,
618 u16 address, u32 *value);
619 extern int mc417_register_write(struct cx23885_dev *dev,
620 u16 address, u32 value);
621 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
622 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
623 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
625 /* ----------------------------------------------------------- */
627 extern struct cx23885_audio_dev *cx23885_audio_register(
628 struct cx23885_dev *dev);
629 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
630 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
631 extern int cx23885_risc_databuffer(struct pci_dev *pci,
632 struct btcx_riscmem *risc,
633 struct scatterlist *sglist,
638 /* ----------------------------------------------------------- */
641 static inline unsigned int norm_maxw(v4l2_std_id norm)
643 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
646 static inline unsigned int norm_maxh(v4l2_std_id norm)
648 return (norm & V4L2_STD_625_50) ? 576 : 480;
651 static inline unsigned int norm_swidth(v4l2_std_id norm)
653 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;