[linux-2.6-block.git] / drivers / media / video / cx23885 / cx23885.h

/*
 *  Driver for the Conexant CX23885 PCIe bridge
 *
 *  Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/kdev_t.h>

#include <media/v4l2-common.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/video-buf.h>
#if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE)
#include <media/video-buf-dvb.h>
#endif

#include "btcx-risc.h"
#include "cx23885-reg.h"

#include <linux/version.h>
#include <linux/mutex.h>

#define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)

#define UNSET (-1U)

#define CX23885_MAXBOARDS 8

/* Max number of inputs by card */
#define MAX_CX23885_INPUT 8

//#define SHADOW_MAX 3

#define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */

#define CX23885_BOARD_NOAUTO               UNSET
#define CX23885_BOARD_UNKNOWN                  0
#define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
#define CX23885_BOARD_HAUPPAUGE_HVR1800        2

enum cx23885_itype {
	CX23885_VMUX_COMPOSITE1 = 1,
	CX23885_VMUX_COMPOSITE2,
	CX23885_VMUX_COMPOSITE3,
	CX23885_VMUX_COMPOSITE4,
	CX23885_VMUX_SVIDEO,
	CX23885_VMUX_TELEVISION,
	CX23885_VMUX_CABLE,
	CX23885_VMUX_DVB,
	CX23885_VMUX_DEBUG,
	CX23885_RADIO,
};

/* buffer for one video frame */
struct cx23885_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

	/* cx23885 specific */
	unsigned int           bpl;
	struct btcx_riscmem    risc;
	struct cx23885_fmt     *fmt;
	u32                    count;
};

struct cx23885_input {
	enum cx23885_itype type;
	unsigned int    vmux;
	u32             gpio0, gpio1, gpio2, gpio3;
};

struct cx23885_board {
	char                    *name;
	enum {
		CX23885_MPEG_UNDEFINED = 0,
		CX23885_MPEG_DVB
	} portc;
	struct cx23885_input    input[MAX_CX23885_INPUT];
};

struct cx23885_subid {
	u16     subvendor;
	u16     subdevice;
	u32     card;
};

struct cx23885_i2c {
	struct cx23885_dev *dev;

	int                        nr;

	/* i2c i/o */
	struct i2c_adapter         i2c_adap;
	struct i2c_algo_bit_data   i2c_algo;
	struct i2c_client          i2c_client;
	u32                        i2c_rc;

	/* 885 registers used for raw addess */
	u32                        i2c_period;
	u32                        reg_ctrl;
	u32                        reg_stat;
	u32                        reg_addr;
	u32                        reg_rdata;
	u32                        reg_wdata;
};

struct cx23885_dmaqueue {
	struct list_head       active;
	struct list_head       queued;
	struct timer_list      timeout;
	struct btcx_riscmem    stopper;
	u32                    count;
};

struct cx23885_tsport {
	struct cx23885_dev *dev;

	int                        nr;
	int                        sram_chno;

	struct videobuf_dvb        dvb;

	/* dma queues */
	struct cx23885_dmaqueue    mpegq;
	u32                        ts_packet_size;
	u32                        ts_packet_count;

	int                        width;
	int                        height;

	spinlock_t                 slock;

	/* registers */
	u32                        reg_gpcnt;
	u32                        reg_gpcnt_ctl;
	u32                        reg_dma_ctl;
	u32                        reg_lngth;
	u32                        reg_hw_sop_ctrl;
	u32                        reg_gen_ctrl;
	u32                        reg_bd_pkt_status;
	u32                        reg_sop_status;
	u32                        reg_fifo_ovfl_stat;
	u32                        reg_vld_misc;
	u32                        reg_ts_clk_en;
	u32                        reg_ts_int_msk;

	/* Default register vals */
	int                        pci_irqmask;
	u32                        dma_ctl_val;
	u32                        ts_int_msk_val;
	u32                        gen_ctrl_val;
	u32                        ts_clk_en_val;
};

struct cx23885_dev {
	struct list_head           devlist;
	atomic_t                   refcount;

	/* pci stuff */
	struct pci_dev             *pci;
	unsigned char              pci_rev, pci_lat;
	int                        pci_bus, pci_slot;
	u32                        __iomem *lmmio;
	u8                         __iomem *bmmio;
	//u32                        shadow[SHADOW_MAX];
	int                        pci_irqmask;

	/* I2C adapters: Master 1 and 2 (External) and Master 3 (Internal only) */
	struct cx23885_i2c         i2c_bus[3];

	int                        nr;
	struct mutex               lock;

	/* board details */
	unsigned int               board;
	char                       name[32];

	struct cx23885_tsport      ts2;

	/* sram configuration */
	struct sram_channel        *sram_channels;

	enum {
		CX23885_BRIDGE_UNDEFINED = 0,
		CX23885_BRIDGE_885 = 885,
		CX23885_BRIDGE_887 = 887,
	} bridge;
};

#define SRAM_CH01  0 /* Video A */
#define SRAM_CH02  1 /* VBI A */
#define SRAM_CH03  2 /* Video B */
#define SRAM_CH04  3 /* Transport via B */
#define SRAM_CH05  4 /* VBI B */
#define SRAM_CH06  5 /* Video C */
#define SRAM_CH07  6 /* Transport via C */
#define SRAM_CH08  7 /* Audio Internal A */
#define SRAM_CH09  8 /* Audio Internal B */
#define SRAM_CH10  9 /* Audio External */
#define SRAM_CH11 10 /* COMB_3D_N */
#define SRAM_CH12 11 /* Comb 3D N1 */
#define SRAM_CH13 12 /* Comb 3D N2 */
#define SRAM_CH14 13 /* MOE Vid */
#define SRAM_CH15 14 /* MOE RSLT */

struct sram_channel {
	char *name;
	u32  cmds_start;
	u32  ctrl_start;
	u32  cdt;
	u32  fifo_start;;
	u32  fifo_size;
	u32  ptr1_reg;
	u32  ptr2_reg;
	u32  cnt1_reg;
	u32  cnt2_reg;
	u32  jumponly;
};

/* ----------------------------------------------------------- */

#define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
#define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))

#define cx_andor(reg,mask,value) \
  writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
  ((value) & (mask)), dev->lmmio+((reg)>>2))

#define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
#define cx_clear(reg,bit)        cx_andor((reg),(bit),0)


extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
	struct sram_channel *ch,
	unsigned int bpl, u32 risc);

/* ----------------------------------------------------------- */
/* cx23885-cards.c                                                */

extern struct cx23885_board cx23885_boards[];
extern const unsigned int cx23885_bcount;

extern struct cx23885_subid cx23885_subids[];
extern const unsigned int cx23885_idcount;

extern void cx23885_card_list(struct cx23885_dev *dev);
extern void cx23885_card_setup(struct cx23885_dev *dev);
extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);

extern int cx23885_dvb_register(struct cx23885_tsport *port);
extern int cx23885_dvb_unregister(struct cx23885_tsport *port);

extern int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
			struct cx23885_buffer *buf, enum v4l2_field field);

extern void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf);
extern void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf);

/* ----------------------------------------------------------- */
/* cx23885-i2c.c                                                */
extern int cx23885_i2c_register(struct cx23885_i2c *bus);
extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd, void *arg);

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 * 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
 */
Commit	Line	Data
d19770e5 ST	1	/*
	2	* Driver for the Conexant CX23885 PCIe bridge
	3	*
	4	* Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
	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/video-buf.h>
03121f05	31	#if defined(CONFIG_VIDEO_BUF_DVB) \|\| defined(CONFIG_VIDEO_BUF_DVB_MODULE)
d19770e5	32	#include <media/video-buf-dvb.h>
03121f05	33	#endif
d19770e5 ST	34
	35	#include "btcx-risc.h"
	36	#include "cx23885-reg.h"
	37
	38	#include <linux/version.h>
	39	#include <linux/mutex.h>
	40
047646bf	41	#define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
d19770e5 ST	42
	43	#define UNSET (-1U)
	44
	45	#define CX23885_MAXBOARDS 8
	46
d19770e5 ST	47	/* Max number of inputs by card */
	48	#define MAX_CX23885_INPUT 8
	49
	50	//#define SHADOW_MAX 3
	51
	52	#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
	53
	54	#define CX23885_BOARD_NOAUTO UNSET
	55	#define CX23885_BOARD_UNKNOWN 0
	56	#define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
	57	#define CX23885_BOARD_HAUPPAUGE_HVR1800 2
	58
	59	enum cx23885_itype {
	60	CX23885_VMUX_COMPOSITE1 = 1,
	61	CX23885_VMUX_COMPOSITE2,
	62	CX23885_VMUX_COMPOSITE3,
	63	CX23885_VMUX_COMPOSITE4,
	64	CX23885_VMUX_SVIDEO,
	65	CX23885_VMUX_TELEVISION,
	66	CX23885_VMUX_CABLE,
	67	CX23885_VMUX_DVB,
	68	CX23885_VMUX_DEBUG,
	69	CX23885_RADIO,
	70	};
	71
d19770e5 ST	72	/* buffer for one video frame */
	73	struct cx23885_buffer {
	74	/* common v4l buffer stuff -- must be first */
	75	struct videobuf_buffer vb;
	76
	77	/* cx23885 specific */
	78	unsigned int bpl;
	79	struct btcx_riscmem risc;
	80	struct cx23885_fmt *fmt;
	81	u32 count;
	82	};
	83
	84	struct cx23885_input {
	85	enum cx23885_itype type;
	86	unsigned int vmux;
	87	u32 gpio0, gpio1, gpio2, gpio3;
	88	};
	89
	90	struct cx23885_board {
	91	char *name;
	92	enum {
	93	CX23885_MPEG_UNDEFINED = 0,
	94	CX23885_MPEG_DVB
	95	} portc;
d19770e5 ST	96	struct cx23885_input input[MAX_CX23885_INPUT];
	97	};
	98
	99	struct cx23885_subid {
	100	u16 subvendor;
	101	u16 subdevice;
	102	u32 card;
	103	};
	104
	105	struct cx23885_i2c {
	106	struct cx23885_dev *dev;
	107
	108	int nr;
	109
	110	/* i2c i/o */
	111	struct i2c_adapter i2c_adap;
	112	struct i2c_algo_bit_data i2c_algo;
	113	struct i2c_client i2c_client;
	114	u32 i2c_rc;
	115
	116	/* 885 registers used for raw addess */
	117	u32 i2c_period;
	118	u32 reg_ctrl;
	119	u32 reg_stat;
	120	u32 reg_addr;
	121	u32 reg_rdata;
	122	u32 reg_wdata;
	123	};
	124
	125	struct cx23885_dmaqueue {
	126	struct list_head active;
	127	struct list_head queued;
	128	struct timer_list timeout;
	129	struct btcx_riscmem stopper;
	130	u32 count;
	131	};
	132
	133	struct cx23885_tsport {
	134	struct cx23885_dev *dev;
	135
	136	int nr;
	137	int sram_chno;
	138
	139	struct videobuf_dvb dvb;
	140
	141	/* dma queues */
	142	struct cx23885_dmaqueue mpegq;
	143	u32 ts_packet_size;
	144	u32 ts_packet_count;
	145
	146	int width;
	147	int height;
	148
	149	spinlock_t slock;
	150
	151	/* registers */
	152	u32 reg_gpcnt;
	153	u32 reg_gpcnt_ctl;
	154	u32 reg_dma_ctl;
	155	u32 reg_lngth;
	156	u32 reg_hw_sop_ctrl;
	157	u32 reg_gen_ctrl;
	158	u32 reg_bd_pkt_status;
	159	u32 reg_sop_status;
160	u32 reg_fifo_ovfl_stat;
161	u32 reg_vld_misc;
162	u32 reg_ts_clk_en;
163	u32 reg_ts_int_msk;
164
165	/* Default register vals */
166	int pci_irqmask;
167	u32 dma_ctl_val;
168	u32 ts_int_msk_val;
169	u32 gen_ctrl_val;
170	u32 ts_clk_en_val;
171	};
172
173	struct cx23885_dev {
174	struct list_head devlist;
175	atomic_t refcount;
176
177	/* pci stuff */
178	struct pci_dev *pci;
179	unsigned char pci_rev, pci_lat;
180	int pci_bus, pci_slot;
181	u32 __iomem *lmmio;
182	u8 __iomem *bmmio;
183	//u32 shadow[SHADOW_MAX];
184	int pci_irqmask;
185
186	/* I2C adapters: Master 1 and 2 (External) and Master 3 (Internal only) */
187	struct cx23885_i2c i2c_bus[3];
188
189	int nr;
190	struct mutex lock;
191
192	/* board details */
193	unsigned int board;
194	char name[32];
195
196	struct cx23885_tsport ts2;
197
198	/* sram configuration */
199	struct sram_channel *sram_channels;
e133be0f ST	200
	201	enum {
	202	CX23885_BRIDGE_UNDEFINED = 0,
	203	CX23885_BRIDGE_885 = 885,
	204	CX23885_BRIDGE_887 = 887,
	205	} bridge;
d19770e5 ST	206	};
	207
	208	#define SRAM_CH01 0 /* Video A */
	209	#define SRAM_CH02 1 /* VBI A */
	210	#define SRAM_CH03 2 /* Video B */
	211	#define SRAM_CH04 3 /* Transport via B */
	212	#define SRAM_CH05 4 /* VBI B */
	213	#define SRAM_CH06 5 /* Video C */
	214	#define SRAM_CH07 6 /* Transport via C */
	215	#define SRAM_CH08 7 /* Audio Internal A */
	216	#define SRAM_CH09 8 /* Audio Internal B */
	217	#define SRAM_CH10 9 /* Audio External */
	218	#define SRAM_CH11 10 /* COMB_3D_N */
	219	#define SRAM_CH12 11 /* Comb 3D N1 */
	220	#define SRAM_CH13 12 /* Comb 3D N2 */
	221	#define SRAM_CH14 13 /* MOE Vid */
	222	#define SRAM_CH15 14 /* MOE RSLT */
	223
	224	struct sram_channel {
	225	char *name;
	226	u32 cmds_start;
	227	u32 ctrl_start;
	228	u32 cdt;
	229	u32 fifo_start;;
	230	u32 fifo_size;
	231	u32 ptr1_reg;
	232	u32 ptr2_reg;
	233	u32 cnt1_reg;
	234	u32 cnt2_reg;
	235	u32 jumponly;
	236	};
	237
	238	/* ----------------------------------------------------------- */
	239
	240	#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
	241	#define cx_write(reg,value) writel((value), dev->lmmio + ((reg)>>2))
	242
	243	#define cx_andor(reg,mask,value) \
	244	writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) \|\
	245	((value) & (mask)), dev->lmmio+((reg)>>2))
	246
	247	#define cx_set(reg,bit) cx_andor((reg),(bit),(bit))
	248	#define cx_clear(reg,bit) cx_andor((reg),(bit),0)
	249
	250
	251	extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
	252	struct sram_channel *ch,
	253	unsigned int bpl, u32 risc);
	254
	255	/* ----------------------------------------------------------- */
	256	/* cx23885-cards.c */
	257
	258	extern struct cx23885_board cx23885_boards[];
	259	extern const unsigned int cx23885_bcount;
	260
	261	extern struct cx23885_subid cx23885_subids[];
	262	extern const unsigned int cx23885_idcount;
	263
	264	extern void cx23885_card_list(struct cx23885_dev *dev);
	265	extern void cx23885_card_setup(struct cx23885_dev *dev);
	266	extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
	267
	268	extern int cx23885_dvb_register(struct cx23885_tsport *port);
	269	extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
270
271	extern int cx23885_buf_prepare(struct videobuf_queue q, struct cx23885_tsport port,
272	struct cx23885_buffer *buf, enum v4l2_field field);
273
274	extern void cx23885_buf_queue(struct cx23885_tsport port, struct cx23885_buffer buf);
275	extern void cx23885_free_buffer(struct videobuf_queue q, struct cx23885_buffer buf);
276
277	/* ----------------------------------------------------------- */
278	/* cx23885-i2c.c */
279	extern int cx23885_i2c_register(struct cx23885_i2c *bus);
280	extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
281	extern void cx23885_call_i2c_clients(struct cx23885_i2c bus, unsigned int cmd, void arg);
282
283	/*
284	* Local variables:
285	* c-basic-offset: 8
286	* End:
287	* 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
288	*/