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      1 /* $NetBSD: coramvar.h,v 1.4 2011/08/09 01:42:24 jmcneill Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2008, 2011 Jonathan A. Kollasch
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_PCI_CORAMVAR_H
     30 #define _DEV_PCI_CORAMVAR_H
     31 
     32 #include <sys/bus.h>
     33 #include <sys/mutex.h>
     34 #include <dev/pci/pcivar.h>
     35 #include <dev/pci/pcireg.h>
     36 #include <dev/i2c/i2cvar.h>
     37 
     38 #define KERNADDR(p)	((void *)((p)->addr))
     39 #define DMAADDR(p)	((p)->map->dm_segs[0].ds_addr)
     40 
     41 struct coram_board {
     42 	uint16_t vendor;
     43 	uint16_t product;
     44 	const char *name;
     45 };
     46 
     47 struct coram_sram_ch {
     48 	uint32_t	csc_cmds;
     49 	uint32_t	csc_iq;
     50 	uint32_t	csc_iqsz;
     51 	uint32_t	csc_cdt;
     52 	uint32_t	csc_cdtsz;
     53 	uint32_t	csc_fifo;
     54 	uint32_t	csc_fifosz;
     55 	uint32_t	csc_risc;
     56 	uint32_t	csc_riscsz;
     57 	uint32_t	csc_ptr1;
     58 	uint32_t	csc_ptr2;
     59 	uint32_t	csc_cnt1;
     60 	uint32_t	csc_cnt2;
     61 };
     62 
     63 struct coram_dma {
     64 	bus_dmamap_t		map;
     65 	void *			addr;
     66 	bus_dma_segment_t	segs[1];
     67 	int			nsegs;
     68 	size_t			size;
     69 	struct coram_dma *	next;
     70 };
     71 
     72 struct coram_softc {
     73 	device_t		sc_dev;
     74 	device_t		sc_dtvdev;
     75 
     76 	bus_space_tag_t		sc_memt;
     77 	bus_space_handle_t	sc_memh;
     78 	bus_size_t		sc_mems;
     79 	bus_dma_tag_t		sc_dmat;
     80 
     81 	pci_chipset_tag_t	sc_pc;
     82 	void *			sc_ih;
     83 
     84 	struct coram_iic_softc {
     85 		struct coram_softc *	cic_sc;
     86 		bus_space_handle_t	cic_regh;
     87 		struct i2c_controller	cic_i2c;
     88 		kmutex_t		cic_busmutex;
     89 		device_t		cic_i2cdev;
     90 	} sc_iic[3];
     91 
     92 	struct coram_sram_ch	sc_vidc_sch;
     93 
     94 	struct coram_dma *	sc_dma;
     95 	struct coram_dma *	sc_tsbuf;
     96 
     97 	uint32_t *		sc_riscbuf;
     98 	uint32_t		sc_riscbufsz;
     99 
    100 	void			*sc_tuner;
    101 	void			*sc_demod;
    102 
    103 	void			(*sc_dtvsubmitcb)(void *,
    104 				    const struct dtv_payload *);
    105 	void			*sc_dtvsubmitarg;
    106 
    107 	const struct coram_board *sc_board;
    108 };
    109 
    110 #endif /* !_DEV_PCI_CORAMVAR_H */
    111