cx23885.h revision a739a7e4c642ebb1ab803fc2c9743aaf1833058b 
1/*
2 *  Driver for the Conexant CX23885 PCIe bridge
3 *
4 *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
5 *
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.
10 *
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
14 *
15 *  GNU General Public License for more details.
16 *
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.
20 */
21
22#include <linux/pci.h>
23#include <linux/i2c.h>
24#include <linux/i2c-algo-bit.h>
25#include <linux/kdev_t.h>
26
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>
32
33#include "btcx-risc.h"
34#include "cx23885-reg.h"
35#include "media/cx2341x.h"
36
37#include <linux/version.h>
38#include <linux/mutex.h>
39
40#define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
41
42#define UNSET (-1U)
43
44#define CX23885_MAXBOARDS 8
45
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
52
53#define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
54
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
70/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
71#define CX23885_NORMS (\
72	V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
73	V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
74	V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
75	V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
76
77struct cx23885_fmt {
78	char  *name;
79	u32   fourcc;          /* v4l2 format id */
80	int   depth;
81	int   flags;
82	u32   cxformat;
83};
84
85struct cx23885_ctrl {
86	struct v4l2_queryctrl v;
87	u32                   off;
88	u32                   reg;
89	u32                   mask;
90	u32                   shift;
91};
92
93struct cx23885_tvnorm {
94	char		*name;
95	v4l2_std_id	id;
96	u32		cxiformat;
97	u32		cxoformat;
98};
99
100struct cx23885_fh {
101	struct cx23885_dev         *dev;
102	enum v4l2_buf_type         type;
103	int                        radio;
104	u32                        resources;
105
106	/* video overlay */
107	struct v4l2_window         win;
108	struct v4l2_clip           *clips;
109	unsigned int               nclips;
110
111	/* video capture */
112	struct cx23885_fmt         *fmt;
113	unsigned int               width, height;
114
115	/* vbi capture */
116	struct videobuf_queue      vidq;
117	struct videobuf_queue      vbiq;
118
119	/* MPEG Encoder specifics ONLY */
120	struct videobuf_queue      mpegq;
121	atomic_t                   v4l_reading;
122};
123
124enum cx23885_itype {
125	CX23885_VMUX_COMPOSITE1 = 1,
126	CX23885_VMUX_COMPOSITE2,
127	CX23885_VMUX_COMPOSITE3,
128	CX23885_VMUX_COMPOSITE4,
129	CX23885_VMUX_SVIDEO,
130	CX23885_VMUX_TELEVISION,
131	CX23885_VMUX_CABLE,
132	CX23885_VMUX_DVB,
133	CX23885_VMUX_DEBUG,
134	CX23885_RADIO,
135};
136
137enum cx23885_src_sel_type {
138	CX23885_SRC_SEL_EXT_656_VIDEO = 0,
139	CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
140};
141
142/* buffer for one video frame */
143struct cx23885_buffer {
144	/* common v4l buffer stuff -- must be first */
145	struct videobuf_buffer vb;
146
147	/* cx23885 specific */
148	unsigned int           bpl;
149	struct btcx_riscmem    risc;
150	struct cx23885_fmt     *fmt;
151	u32                    count;
152};
153
154struct cx23885_input {
155	enum cx23885_itype type;
156	unsigned int    vmux;
157	u32             gpio0, gpio1, gpio2, gpio3;
158};
159
160typedef enum {
161	CX23885_MPEG_UNDEFINED = 0,
162	CX23885_MPEG_DVB,
163	CX23885_ANALOG_VIDEO,
164	CX23885_MPEG_ENCODER,
165} port_t;
166
167struct cx23885_board {
168	char                    *name;
169	port_t			porta, portb, portc;
170	unsigned int		tuner_type;
171	unsigned int		radio_type;
172	unsigned char		tuner_addr;
173	unsigned char		radio_addr;
174
175	/* Vendors can and do run the PCIe bridge at different
176	 * clock rates, driven physically by crystals on the PCBs.
177	 * The core has to accomodate this. This allows the user
178	 * to add new boards with new frequencys. The value is
179	 * expressed in Hz.
180	 *
181	 * The core framework will default this value based on
182	 * current designs, but it can vary.
183	 */
184	u32			clk_freq;
185	struct cx23885_input    input[MAX_CX23885_INPUT];
186};
187
188struct cx23885_subid {
189	u16     subvendor;
190	u16     subdevice;
191	u32     card;
192};
193
194struct cx23885_i2c {
195	struct cx23885_dev *dev;
196
197	int                        nr;
198
199	/* i2c i/o */
200	struct i2c_adapter         i2c_adap;
201	struct i2c_algo_bit_data   i2c_algo;
202	struct i2c_client          i2c_client;
203	u32                        i2c_rc;
204
205	/* 885 registers used for raw addess */
206	u32                        i2c_period;
207	u32                        reg_ctrl;
208	u32                        reg_stat;
209	u32                        reg_addr;
210	u32                        reg_rdata;
211	u32                        reg_wdata;
212};
213
214struct cx23885_dmaqueue {
215	struct list_head       active;
216	struct list_head       queued;
217	struct timer_list      timeout;
218	struct btcx_riscmem    stopper;
219	u32                    count;
220};
221
222struct cx23885_tsport {
223	struct cx23885_dev *dev;
224
225	int                        nr;
226	int                        sram_chno;
227
228	struct videobuf_dvb_frontends frontends;
229
230	/* dma queues */
231	struct cx23885_dmaqueue    mpegq;
232	u32                        ts_packet_size;
233	u32                        ts_packet_count;
234
235	int                        width;
236	int                        height;
237
238	spinlock_t                 slock;
239
240	/* registers */
241	u32                        reg_gpcnt;
242	u32                        reg_gpcnt_ctl;
243	u32                        reg_dma_ctl;
244	u32                        reg_lngth;
245	u32                        reg_hw_sop_ctrl;
246	u32                        reg_gen_ctrl;
247	u32                        reg_bd_pkt_status;
248	u32                        reg_sop_status;
249	u32                        reg_fifo_ovfl_stat;
250	u32                        reg_vld_misc;
251	u32                        reg_ts_clk_en;
252	u32                        reg_ts_int_msk;
253	u32                        reg_ts_int_stat;
254	u32                        reg_src_sel;
255
256	/* Default register vals */
257	int                        pci_irqmask;
258	u32                        dma_ctl_val;
259	u32                        ts_int_msk_val;
260	u32                        gen_ctrl_val;
261	u32                        ts_clk_en_val;
262	u32                        src_sel_val;
263	u32                        vld_misc_val;
264	u32                        hw_sop_ctrl_val;
265
266	/* Allow a single tsport to have multiple frontends */
267	u32                        num_frontends;
268};
269
270struct cx23885_dev {
271	struct list_head           devlist;
272	atomic_t                   refcount;
273
274	/* pci stuff */
275	struct pci_dev             *pci;
276	unsigned char              pci_rev, pci_lat;
277	int                        pci_bus, pci_slot;
278	u32                        __iomem *lmmio;
279	u8                         __iomem *bmmio;
280	int                        pci_irqmask;
281	int                        hwrevision;
282
283	/* This valud is board specific and is used to configure the
284	 * AV core so we see nice clean and stable video and audio. */
285	u32                        clk_freq;
286
287	/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
288	struct cx23885_i2c         i2c_bus[3];
289
290	int                        nr;
291	struct mutex               lock;
292
293	/* board details */
294	unsigned int               board;
295	char                       name[32];
296
297	struct cx23885_tsport      ts1, ts2;
298
299	/* sram configuration */
300	struct sram_channel        *sram_channels;
301
302	enum {
303		CX23885_BRIDGE_UNDEFINED = 0,
304		CX23885_BRIDGE_885 = 885,
305		CX23885_BRIDGE_887 = 887,
306	} bridge;
307
308	/* Analog video */
309	u32                        resources;
310	unsigned int               input;
311	u32                        tvaudio;
312	v4l2_std_id                tvnorm;
313	unsigned int               tuner_type;
314	unsigned char              tuner_addr;
315	unsigned int               radio_type;
316	unsigned char              radio_addr;
317	unsigned int               has_radio;
318
319	/* V4l */
320	u32                        freq;
321	struct video_device        *video_dev;
322	struct video_device        *vbi_dev;
323	struct video_device        *radio_dev;
324
325	struct cx23885_dmaqueue    vidq;
326	struct cx23885_dmaqueue    vbiq;
327	spinlock_t                 slock;
328
329	/* MPEG Encoder ONLY settings */
330	u32                        cx23417_mailbox;
331	struct cx2341x_mpeg_params mpeg_params;
332	struct video_device        *v4l_device;
333	atomic_t                   v4l_reader_count;
334	struct cx23885_tvnorm      encodernorm;
335
336};
337
338extern struct list_head cx23885_devlist;
339
340#define SRAM_CH01  0 /* Video A */
341#define SRAM_CH02  1 /* VBI A */
342#define SRAM_CH03  2 /* Video B */
343#define SRAM_CH04  3 /* Transport via B */
344#define SRAM_CH05  4 /* VBI B */
345#define SRAM_CH06  5 /* Video C */
346#define SRAM_CH07  6 /* Transport via C */
347#define SRAM_CH08  7 /* Audio Internal A */
348#define SRAM_CH09  8 /* Audio Internal B */
349#define SRAM_CH10  9 /* Audio External */
350#define SRAM_CH11 10 /* COMB_3D_N */
351#define SRAM_CH12 11 /* Comb 3D N1 */
352#define SRAM_CH13 12 /* Comb 3D N2 */
353#define SRAM_CH14 13 /* MOE Vid */
354#define SRAM_CH15 14 /* MOE RSLT */
355
356struct sram_channel {
357	char *name;
358	u32  cmds_start;
359	u32  ctrl_start;
360	u32  cdt;
361	u32  fifo_start;;
362	u32  fifo_size;
363	u32  ptr1_reg;
364	u32  ptr2_reg;
365	u32  cnt1_reg;
366	u32  cnt2_reg;
367	u32  jumponly;
368};
369
370/* ----------------------------------------------------------- */
371
372#define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
373#define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
374
375#define cx_andor(reg,mask,value) \
376  writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
377  ((value) & (mask)), dev->lmmio+((reg)>>2))
378
379#define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
380#define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
381
382/* ----------------------------------------------------------- */
383/* cx23885-core.c                                              */
384
385extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
386	struct sram_channel *ch,
387	unsigned int bpl, u32 risc);
388
389extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
390	struct sram_channel *ch);
391
392extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
393	u32 reg, u32 mask, u32 value);
394
395extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
396	struct scatterlist *sglist,
397	unsigned int top_offset, unsigned int bottom_offset,
398	unsigned int bpl, unsigned int padding, unsigned int lines);
399
400void cx23885_cancel_buffers(struct cx23885_tsport *port);
401
402extern int cx23885_restart_queue(struct cx23885_tsport *port,
403				struct cx23885_dmaqueue *q);
404
405extern void cx23885_wakeup(struct cx23885_tsport *port,
406			   struct cx23885_dmaqueue *q, u32 count);
407
408
409/* ----------------------------------------------------------- */
410/* cx23885-cards.c                                             */
411extern struct cx23885_board cx23885_boards[];
412extern const unsigned int cx23885_bcount;
413
414extern struct cx23885_subid cx23885_subids[];
415extern const unsigned int cx23885_idcount;
416
417extern int cx23885_tuner_callback(void *priv, int component, int command, int arg);
418extern void cx23885_card_list(struct cx23885_dev *dev);
419extern int  cx23885_ir_init(struct cx23885_dev *dev);
420extern void cx23885_gpio_setup(struct cx23885_dev *dev);
421extern void cx23885_card_setup(struct cx23885_dev *dev);
422extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
423
424extern int cx23885_dvb_register(struct cx23885_tsport *port);
425extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
426
427extern int cx23885_buf_prepare(struct videobuf_queue *q,
428			       struct cx23885_tsport *port,
429			       struct cx23885_buffer *buf,
430			       enum v4l2_field field);
431extern void cx23885_buf_queue(struct cx23885_tsport *port,
432			      struct cx23885_buffer *buf);
433extern void cx23885_free_buffer(struct videobuf_queue *q,
434				struct cx23885_buffer *buf);
435
436/* ----------------------------------------------------------- */
437/* cx23885-video.c                                             */
438/* Video */
439extern int cx23885_video_register(struct cx23885_dev *dev);
440extern void cx23885_video_unregister(struct cx23885_dev *dev);
441extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
442
443/* ----------------------------------------------------------- */
444/* cx23885-vbi.c                                               */
445extern int cx23885_vbi_fmt(struct file *file, void *priv,
446	struct v4l2_format *f);
447extern void cx23885_vbi_timeout(unsigned long data);
448extern struct videobuf_queue_ops cx23885_vbi_qops;
449
450/* cx23885-i2c.c                                                */
451extern int cx23885_i2c_register(struct cx23885_i2c *bus);
452extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
453extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
454				     void *arg);
455extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
456
457/* ----------------------------------------------------------- */
458/* cx23885-417.c                                               */
459extern int cx23885_417_register(struct cx23885_dev *dev);
460extern void cx23885_417_unregister(struct cx23885_dev *dev);
461extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
462extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
463extern void cx23885_mc417_init(struct cx23885_dev *dev);
464extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
465extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
466
467
468/* ----------------------------------------------------------- */
469/* tv norms                                                    */
470
471static inline unsigned int norm_maxw(v4l2_std_id norm)
472{
473	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
474}
475
476static inline unsigned int norm_maxh(v4l2_std_id norm)
477{
478	return (norm & V4L2_STD_625_50) ? 576 : 480;
479}
480
481static inline unsigned int norm_swidth(v4l2_std_id norm)
482{
483	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
484}
485
486
487/*
488 * Local variables:
489 * c-basic-offset: 8
490 * End:
491 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
492 */
493