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
75 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
76 #define CX23885_NORMS (\
77 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
78 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
79 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
80 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
84 u32 fourcc
; /* v4l2 format id */
91 struct v4l2_queryctrl v
;
98 struct cx23885_tvnorm
{
106 struct cx23885_dev
*dev
;
107 enum v4l2_buf_type type
;
112 struct v4l2_window win
;
113 struct v4l2_clip
*clips
;
117 struct cx23885_fmt
*fmt
;
118 unsigned int width
, height
;
121 struct videobuf_queue vidq
;
122 struct videobuf_queue vbiq
;
124 /* MPEG Encoder specifics ONLY */
125 struct videobuf_queue mpegq
;
126 atomic_t v4l_reading
;
130 CX23885_VMUX_COMPOSITE1
= 1,
131 CX23885_VMUX_COMPOSITE2
,
132 CX23885_VMUX_COMPOSITE3
,
133 CX23885_VMUX_COMPOSITE4
,
135 CX23885_VMUX_TELEVISION
,
142 enum cx23885_src_sel_type
{
143 CX23885_SRC_SEL_EXT_656_VIDEO
= 0,
144 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
147 /* buffer for one video frame */
148 struct cx23885_buffer
{
149 /* common v4l buffer stuff -- must be first */
150 struct videobuf_buffer vb
;
152 /* cx23885 specific */
154 struct btcx_riscmem risc
;
155 struct cx23885_fmt
*fmt
;
159 struct cx23885_input
{
160 enum cx23885_itype type
;
162 u32 gpio0
, gpio1
, gpio2
, gpio3
;
166 CX23885_MPEG_UNDEFINED
= 0,
168 CX23885_ANALOG_VIDEO
,
169 CX23885_MPEG_ENCODER
,
172 struct cx23885_board
{
174 port_t porta
, portb
, portc
;
175 unsigned int tuner_type
;
176 unsigned int radio_type
;
177 unsigned char tuner_addr
;
178 unsigned char radio_addr
;
180 /* Vendors can and do run the PCIe bridge at different
181 * clock rates, driven physically by crystals on the PCBs.
182 * The core has to accomodate this. This allows the user
183 * to add new boards with new frequencys. The value is
186 * The core framework will default this value based on
187 * current designs, but it can vary.
190 struct cx23885_input input
[MAX_CX23885_INPUT
];
191 int cimax
; /* for NetUP */
194 struct cx23885_subid
{
201 struct cx23885_dev
*dev
;
206 struct i2c_adapter i2c_adap
;
207 struct i2c_algo_bit_data i2c_algo
;
208 struct i2c_client i2c_client
;
211 /* 885 registers used for raw addess */
220 struct cx23885_dmaqueue
{
221 struct list_head active
;
222 struct list_head queued
;
223 struct timer_list timeout
;
224 struct btcx_riscmem stopper
;
228 struct cx23885_tsport
{
229 struct cx23885_dev
*dev
;
234 struct videobuf_dvb_frontends frontends
;
237 struct cx23885_dmaqueue mpegq
;
253 u32 reg_bd_pkt_status
;
255 u32 reg_fifo_ovfl_stat
;
262 /* Default register vals */
272 /* Allow a single tsport to have multiple frontends */
278 struct list_head devlist
;
280 struct v4l2_device v4l2_dev
;
284 unsigned char pci_rev
, pci_lat
;
285 int pci_bus
, pci_slot
;
291 /* This valud is board specific and is used to configure the
292 * AV core so we see nice clean and stable video and audio. */
295 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
296 struct cx23885_i2c i2c_bus
[3];
305 struct cx23885_tsport ts1
, ts2
;
307 /* sram configuration */
308 struct sram_channel
*sram_channels
;
311 CX23885_BRIDGE_UNDEFINED
= 0,
312 CX23885_BRIDGE_885
= 885,
313 CX23885_BRIDGE_887
= 887,
321 unsigned int tuner_type
;
322 unsigned char tuner_addr
;
323 unsigned int radio_type
;
324 unsigned char radio_addr
;
325 unsigned int has_radio
;
326 struct v4l2_subdev
*sd_cx25840
;
330 struct video_device
*video_dev
;
331 struct video_device
*vbi_dev
;
332 struct video_device
*radio_dev
;
334 struct cx23885_dmaqueue vidq
;
335 struct cx23885_dmaqueue vbiq
;
338 /* MPEG Encoder ONLY settings */
340 struct cx2341x_mpeg_params mpeg_params
;
341 struct video_device
*v4l_device
;
342 atomic_t v4l_reader_count
;
343 struct cx23885_tvnorm encodernorm
;
347 static inline struct cx23885_dev
*to_cx23885(struct v4l2_device
*v4l2_dev
)
349 return container_of(v4l2_dev
, struct cx23885_dev
, v4l2_dev
);
352 #define call_all(dev, o, f, args...) \
353 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
355 extern struct list_head cx23885_devlist
;
357 #define SRAM_CH01 0 /* Video A */
358 #define SRAM_CH02 1 /* VBI A */
359 #define SRAM_CH03 2 /* Video B */
360 #define SRAM_CH04 3 /* Transport via B */
361 #define SRAM_CH05 4 /* VBI B */
362 #define SRAM_CH06 5 /* Video C */
363 #define SRAM_CH07 6 /* Transport via C */
364 #define SRAM_CH08 7 /* Audio Internal A */
365 #define SRAM_CH09 8 /* Audio Internal B */
366 #define SRAM_CH10 9 /* Audio External */
367 #define SRAM_CH11 10 /* COMB_3D_N */
368 #define SRAM_CH12 11 /* Comb 3D N1 */
369 #define SRAM_CH13 12 /* Comb 3D N2 */
370 #define SRAM_CH14 13 /* MOE Vid */
371 #define SRAM_CH15 14 /* MOE RSLT */
373 struct sram_channel
{
387 /* ----------------------------------------------------------- */
389 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
390 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
392 #define cx_andor(reg, mask, value) \
393 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
394 ((value) & (mask)), dev->lmmio+((reg)>>2))
396 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
397 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
399 /* ----------------------------------------------------------- */
402 extern int cx23885_sram_channel_setup(struct cx23885_dev
*dev
,
403 struct sram_channel
*ch
,
404 unsigned int bpl
, u32 risc
);
406 extern void cx23885_sram_channel_dump(struct cx23885_dev
*dev
,
407 struct sram_channel
*ch
);
409 extern int cx23885_risc_stopper(struct pci_dev
*pci
, struct btcx_riscmem
*risc
,
410 u32 reg
, u32 mask
, u32 value
);
412 extern int cx23885_risc_buffer(struct pci_dev
*pci
, struct btcx_riscmem
*risc
,
413 struct scatterlist
*sglist
,
414 unsigned int top_offset
, unsigned int bottom_offset
,
415 unsigned int bpl
, unsigned int padding
, unsigned int lines
);
417 void cx23885_cancel_buffers(struct cx23885_tsport
*port
);
419 extern int cx23885_restart_queue(struct cx23885_tsport
*port
,
420 struct cx23885_dmaqueue
*q
);
422 extern void cx23885_wakeup(struct cx23885_tsport
*port
,
423 struct cx23885_dmaqueue
*q
, u32 count
);
426 /* ----------------------------------------------------------- */
427 /* cx23885-cards.c */
428 extern struct cx23885_board cx23885_boards
[];
429 extern const unsigned int cx23885_bcount
;
431 extern struct cx23885_subid cx23885_subids
[];
432 extern const unsigned int cx23885_idcount
;
434 extern int cx23885_tuner_callback(void *priv
, int component
,
435 int command
, int arg
);
436 extern void cx23885_card_list(struct cx23885_dev
*dev
);
437 extern int cx23885_ir_init(struct cx23885_dev
*dev
);
438 extern void cx23885_gpio_setup(struct cx23885_dev
*dev
);
439 extern void cx23885_card_setup(struct cx23885_dev
*dev
);
440 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev
*dev
);
442 extern int cx23885_dvb_register(struct cx23885_tsport
*port
);
443 extern int cx23885_dvb_unregister(struct cx23885_tsport
*port
);
445 extern int cx23885_buf_prepare(struct videobuf_queue
*q
,
446 struct cx23885_tsport
*port
,
447 struct cx23885_buffer
*buf
,
448 enum v4l2_field field
);
449 extern void cx23885_buf_queue(struct cx23885_tsport
*port
,
450 struct cx23885_buffer
*buf
);
451 extern void cx23885_free_buffer(struct videobuf_queue
*q
,
452 struct cx23885_buffer
*buf
);
454 /* ----------------------------------------------------------- */
455 /* cx23885-video.c */
457 extern int cx23885_video_register(struct cx23885_dev
*dev
);
458 extern void cx23885_video_unregister(struct cx23885_dev
*dev
);
459 extern int cx23885_video_irq(struct cx23885_dev
*dev
, u32 status
);
461 /* ----------------------------------------------------------- */
463 extern int cx23885_vbi_fmt(struct file
*file
, void *priv
,
464 struct v4l2_format
*f
);
465 extern void cx23885_vbi_timeout(unsigned long data
);
466 extern struct videobuf_queue_ops cx23885_vbi_qops
;
469 extern int cx23885_i2c_register(struct cx23885_i2c
*bus
);
470 extern int cx23885_i2c_unregister(struct cx23885_i2c
*bus
);
471 extern void cx23885_av_clk(struct cx23885_dev
*dev
, int enable
);
473 /* ----------------------------------------------------------- */
475 extern int cx23885_417_register(struct cx23885_dev
*dev
);
476 extern void cx23885_417_unregister(struct cx23885_dev
*dev
);
477 extern int cx23885_irq_417(struct cx23885_dev
*dev
, u32 status
);
478 extern void cx23885_417_check_encoder(struct cx23885_dev
*dev
);
479 extern void cx23885_mc417_init(struct cx23885_dev
*dev
);
480 extern int mc417_memory_read(struct cx23885_dev
*dev
, u32 address
, u32
*value
);
481 extern int mc417_memory_write(struct cx23885_dev
*dev
, u32 address
, u32 value
);
484 /* ----------------------------------------------------------- */
487 static inline unsigned int norm_maxw(v4l2_std_id norm
)
489 return (norm
& (V4L2_STD_MN
& ~V4L2_STD_PAL_Nc
)) ? 720 : 768;
492 static inline unsigned int norm_maxh(v4l2_std_id norm
)
494 return (norm
& V4L2_STD_625_50
) ? 576 : 480;
497 static inline unsigned int norm_swidth(v4l2_std_id norm
)
499 return (norm
& (V4L2_STD_MN
& ~V4L2_STD_PAL_Nc
)) ? 754 : 922;