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-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"
35 #include "media/cx2341x.h"
37 #include <linux/version.h>
38 #include <linux/mutex.h>
40 #define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 1)
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
73 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
74 #define CX23885_NORMS (\
75 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
76 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
77 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
78 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
82 u32 fourcc; /* v4l2 format id */
89 struct v4l2_queryctrl v;
96 struct cx23885_tvnorm {
104 struct cx23885_dev *dev;
105 enum v4l2_buf_type type;
110 struct v4l2_window win;
111 struct v4l2_clip *clips;
115 struct cx23885_fmt *fmt;
116 unsigned int width, height;
119 struct videobuf_queue vidq;
120 struct videobuf_queue vbiq;
122 /* MPEG Encoder specifics ONLY */
123 struct videobuf_queue mpegq;
124 atomic_t v4l_reading;
128 CX23885_VMUX_COMPOSITE1 = 1,
129 CX23885_VMUX_COMPOSITE2,
130 CX23885_VMUX_COMPOSITE3,
131 CX23885_VMUX_COMPOSITE4,
133 CX23885_VMUX_TELEVISION,
140 enum cx23885_src_sel_type {
141 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
142 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
145 /* buffer for one video frame */
146 struct cx23885_buffer {
147 /* common v4l buffer stuff -- must be first */
148 struct videobuf_buffer vb;
150 /* cx23885 specific */
152 struct btcx_riscmem risc;
153 struct cx23885_fmt *fmt;
157 struct cx23885_input {
158 enum cx23885_itype type;
160 u32 gpio0, gpio1, gpio2, gpio3;
164 CX23885_MPEG_UNDEFINED = 0,
166 CX23885_ANALOG_VIDEO,
167 CX23885_MPEG_ENCODER,
170 struct cx23885_board {
172 port_t porta, portb, portc;
173 unsigned int tuner_type;
174 unsigned int radio_type;
175 unsigned char tuner_addr;
176 unsigned char radio_addr;
178 /* Vendors can and do run the PCIe bridge at different
179 * clock rates, driven physically by crystals on the PCBs.
180 * The core has to accomodate this. This allows the user
181 * to add new boards with new frequencys. The value is
184 * The core framework will default this value based on
185 * current designs, but it can vary.
188 struct cx23885_input input[MAX_CX23885_INPUT];
191 struct cx23885_subid {
198 struct cx23885_dev *dev;
203 struct i2c_adapter i2c_adap;
204 struct i2c_algo_bit_data i2c_algo;
205 struct i2c_client i2c_client;
208 /* 885 registers used for raw addess */
217 struct cx23885_dmaqueue {
218 struct list_head active;
219 struct list_head queued;
220 struct timer_list timeout;
221 struct btcx_riscmem stopper;
225 struct cx23885_tsport {
226 struct cx23885_dev *dev;
231 struct videobuf_dvb_frontends frontends;
234 struct cx23885_dmaqueue mpegq;
250 u32 reg_bd_pkt_status;
252 u32 reg_fifo_ovfl_stat;
259 /* Default register vals */
269 /* Allow a single tsport to have multiple frontends */
274 struct list_head devlist;
279 unsigned char pci_rev, pci_lat;
280 int pci_bus, pci_slot;
286 /* This valud is board specific and is used to configure the
287 * AV core so we see nice clean and stable video and audio. */
290 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
291 struct cx23885_i2c i2c_bus[3];
300 struct cx23885_tsport ts1, ts2;
302 /* sram configuration */
303 struct sram_channel *sram_channels;
306 CX23885_BRIDGE_UNDEFINED = 0,
307 CX23885_BRIDGE_885 = 885,
308 CX23885_BRIDGE_887 = 887,
316 unsigned int tuner_type;
317 unsigned char tuner_addr;
318 unsigned int radio_type;
319 unsigned char radio_addr;
320 unsigned int has_radio;
324 struct video_device *video_dev;
325 struct video_device *vbi_dev;
326 struct video_device *radio_dev;
328 struct cx23885_dmaqueue vidq;
329 struct cx23885_dmaqueue vbiq;
332 /* MPEG Encoder ONLY settings */
334 struct cx2341x_mpeg_params mpeg_params;
335 struct video_device *v4l_device;
336 atomic_t v4l_reader_count;
337 struct cx23885_tvnorm encodernorm;
341 extern struct list_head cx23885_devlist;
343 #define SRAM_CH01 0 /* Video A */
344 #define SRAM_CH02 1 /* VBI A */
345 #define SRAM_CH03 2 /* Video B */
346 #define SRAM_CH04 3 /* Transport via B */
347 #define SRAM_CH05 4 /* VBI B */
348 #define SRAM_CH06 5 /* Video C */
349 #define SRAM_CH07 6 /* Transport via C */
350 #define SRAM_CH08 7 /* Audio Internal A */
351 #define SRAM_CH09 8 /* Audio Internal B */
352 #define SRAM_CH10 9 /* Audio External */
353 #define SRAM_CH11 10 /* COMB_3D_N */
354 #define SRAM_CH12 11 /* Comb 3D N1 */
355 #define SRAM_CH13 12 /* Comb 3D N2 */
356 #define SRAM_CH14 13 /* MOE Vid */
357 #define SRAM_CH15 14 /* MOE RSLT */
359 struct sram_channel {
373 /* ----------------------------------------------------------- */
375 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
376 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
378 #define cx_andor(reg, mask, value) \
379 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
380 ((value) & (mask)), dev->lmmio+((reg)>>2))
382 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
383 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
385 /* ----------------------------------------------------------- */
388 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
389 struct sram_channel *ch,
390 unsigned int bpl, u32 risc);
392 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
393 struct sram_channel *ch);
395 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
396 u32 reg, u32 mask, u32 value);
398 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
399 struct scatterlist *sglist,
400 unsigned int top_offset, unsigned int bottom_offset,
401 unsigned int bpl, unsigned int padding, unsigned int lines);
403 void cx23885_cancel_buffers(struct cx23885_tsport *port);
405 extern int cx23885_restart_queue(struct cx23885_tsport *port,
406 struct cx23885_dmaqueue *q);
408 extern void cx23885_wakeup(struct cx23885_tsport *port,
409 struct cx23885_dmaqueue *q, u32 count);
412 /* ----------------------------------------------------------- */
413 /* cx23885-cards.c */
414 extern struct cx23885_board cx23885_boards[];
415 extern const unsigned int cx23885_bcount;
417 extern struct cx23885_subid cx23885_subids[];
418 extern const unsigned int cx23885_idcount;
420 extern int cx23885_tuner_callback(void *priv, int component,
421 int command, int arg);
422 extern void cx23885_card_list(struct cx23885_dev *dev);
423 extern int cx23885_ir_init(struct cx23885_dev *dev);
424 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
425 extern void cx23885_card_setup(struct cx23885_dev *dev);
426 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
428 extern int cx23885_dvb_register(struct cx23885_tsport *port);
429 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
431 extern int cx23885_buf_prepare(struct videobuf_queue *q,
432 struct cx23885_tsport *port,
433 struct cx23885_buffer *buf,
434 enum v4l2_field field);
435 extern void cx23885_buf_queue(struct cx23885_tsport *port,
436 struct cx23885_buffer *buf);
437 extern void cx23885_free_buffer(struct videobuf_queue *q,
438 struct cx23885_buffer *buf);
440 /* ----------------------------------------------------------- */
441 /* cx23885-video.c */
443 extern int cx23885_video_register(struct cx23885_dev *dev);
444 extern void cx23885_video_unregister(struct cx23885_dev *dev);
445 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
447 /* ----------------------------------------------------------- */
449 extern int cx23885_vbi_fmt(struct file *file, void *priv,
450 struct v4l2_format *f);
451 extern void cx23885_vbi_timeout(unsigned long data);
452 extern struct videobuf_queue_ops cx23885_vbi_qops;
455 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
456 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
457 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
459 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
461 /* ----------------------------------------------------------- */
463 extern int cx23885_417_register(struct cx23885_dev *dev);
464 extern void cx23885_417_unregister(struct cx23885_dev *dev);
465 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
466 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
467 extern void cx23885_mc417_init(struct cx23885_dev *dev);
468 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
469 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
472 /* ----------------------------------------------------------- */
475 static inline unsigned int norm_maxw(v4l2_std_id norm)
477 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
480 static inline unsigned int norm_maxh(v4l2_std_id norm)
482 return (norm & V4L2_STD_625_50) ? 576 : 480;
485 static inline unsigned int norm_swidth(v4l2_std_id norm)
487 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;