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      1 /*	$NetBSD: pcmciavar.h,v 1.35 2011/07/26 22:24:36 dyoung Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Marc Horowitz.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/types.h>
     33 #include <sys/queue.h>
     34 
     35 #include <dev/pcmcia/pcmciachip.h>
     36 
     37 extern int	pcmcia_verbose;
     38 
     39 /*
     40  * Contains information about mapped/allocated i/o spaces.
     41  */
     42 struct pcmcia_io_handle {
     43 	bus_space_tag_t iot;		/* bus space tag (from chipset) */
     44 	bus_space_handle_t ioh;		/* mapped space handle */
     45 	bus_addr_t      addr;		/* resulting address in bus space */
     46 	bus_size_t      size;		/* size of i/o space */
     47 	int             flags;		/* misc. information */
     48 	void		*ihandle;	/* opaque i/o handle */
     49 };
     50 
     51 #define	PCMCIA_IO_ALLOCATED	0x01	/* i/o space was allocated */
     52 
     53 /*
     54  * Contains information about allocated memory space.
     55  */
     56 struct pcmcia_mem_handle {
     57 	bus_space_tag_t memt;		/* bus space tag (from chipset) */
     58 	bus_space_handle_t memh;	/* mapped space handle */
     59 	bus_addr_t      addr;		/* resulting address in bus space */
     60 	bus_size_t      size;		/* size of mem space */
     61 	pcmcia_mem_handle_t mhandle;	/* opaque memory handle */
     62 	bus_size_t      realsize;	/* how much we really allocated */
     63 };
     64 
     65 /* pcmcia itself */
     66 
     67 #define PCMCIA_CFE_MWAIT_REQUIRED	0x0001
     68 #define PCMCIA_CFE_RDYBSY_ACTIVE	0x0002
     69 #define PCMCIA_CFE_WP_ACTIVE		0x0004
     70 #define PCMCIA_CFE_BVD_ACTIVE		0x0008
     71 #define PCMCIA_CFE_IO8			0x0010
     72 #define PCMCIA_CFE_IO16			0x0020
     73 #define PCMCIA_CFE_IRQSHARE		0x0040
     74 #define PCMCIA_CFE_IRQPULSE		0x0080
     75 #define PCMCIA_CFE_IRQLEVEL		0x0100
     76 #define PCMCIA_CFE_POWERDOWN		0x0200
     77 #define PCMCIA_CFE_READONLY		0x0400
     78 #define PCMCIA_CFE_AUDIO		0x0800
     79 
     80 struct pcmcia_config_entry {
     81 	int		number;
     82 	u_int32_t	flags;
     83 	int		iftype;
     84 	int		num_iospace;
     85 
     86 	/*
     87 	 * The card will only decode this mask in any case, so we can
     88 	 * do dynamic allocation with this in mind, in case the suggestions
     89 	 * below are no good.
     90 	 */
     91 	u_long		iomask;
     92 	struct {
     93 		u_long	length;
     94 		u_long	start;
     95 
     96 		struct	pcmcia_io_handle handle;
     97 		int	window;
     98 	} iospace[4];		/* XXX this could be as high as 16 */
     99 	u_int16_t	irqmask;
    100 	int		num_memspace;
    101 	struct {
    102 		u_long	length;
    103 		u_long	cardaddr;
    104 		u_long	hostaddr;
    105 
    106 		struct	pcmcia_mem_handle handle;
    107 		bus_size_t offset;
    108 		int	window;
    109 
    110 	} memspace[2];		/* XXX this could be as high as 8 */
    111 	int		maxtwins;
    112 	SIMPLEQ_ENTRY(pcmcia_config_entry) cfe_list;
    113 };
    114 
    115 
    116 struct pcmcia_funce_disk {
    117 	int pfd_interface;
    118 };
    119 
    120 struct pcmcia_funce_lan {
    121 	int pfl_nidlen;
    122 	u_int8_t pfl_nid[8];
    123 };
    124 
    125 union pcmcia_funce {
    126 	struct pcmcia_funce_disk pfv_disk;
    127 	struct pcmcia_funce_lan pfv_lan;
    128 };
    129 
    130 
    131 struct pcmcia_function {
    132 	/* read off the card */
    133 	int		number;
    134 	int		function;
    135 	int		last_config_index;
    136 	u_long		ccr_base;
    137 	u_long		ccr_mask;
    138 	SIMPLEQ_HEAD(, pcmcia_config_entry) cfe_head;
    139 	SIMPLEQ_ENTRY(pcmcia_function) pf_list;
    140 	/* run-time state */
    141 	struct pcmcia_softc *sc;
    142 	device_t child;
    143 	struct pcmcia_config_entry *cfe;
    144 	struct pcmcia_mem_handle pf_pcmh;
    145 #define	pf_ccrt		pf_pcmh.memt
    146 #define	pf_ccrh		pf_pcmh.memh
    147 #define	pf_ccr_mhandle	pf_pcmh.mhandle
    148 #define	pf_ccr_realsize	pf_pcmh.realsize
    149 	bus_size_t	pf_ccr_offset;
    150 	int		pf_ccr_window;
    151 	bus_addr_t	pf_mfc_iobase;
    152 	bus_addr_t	pf_mfc_iomax;
    153 	void		*pf_ih;
    154 	int		pf_flags;
    155 
    156 	union pcmcia_funce pf_funce; /* CISTPL_FUNCE */
    157 #define pf_funce_disk_interface pf_funce.pfv_disk.pfd_interface
    158 #define pf_funce_lan_nid pf_funce.pfv_lan.pfl_nid
    159 #define pf_funce_lan_nidlen pf_funce.pfv_lan.pfl_nidlen
    160 };
    161 
    162 /* pf_flags */
    163 #define	PFF_ENABLED	0x0001		/* function is enabled */
    164 #define	PFF_DETACHED	0x0002		/* card is detached */
    165 
    166 SIMPLEQ_HEAD(pcmcia_function_head, pcmcia_function);
    167 
    168 struct pcmcia_card {
    169 	int		cis1_major;
    170 	int		cis1_minor;
    171 	/* XXX waste of space? */
    172 	char		cis1_info_buf[256];
    173 	char		*cis1_info[4];
    174 	/*
    175 	 * Use int32_t for manufacturer and product so that they can
    176 	 * hold the id value found in card CIS and special value that
    177 	 * indicates no id was found.
    178 	 */
    179 	int32_t		manufacturer;
    180 #define	PCMCIA_VENDOR_INVALID	-1
    181 	int32_t		product;
    182 #define	PCMCIA_PRODUCT_INVALID		-1
    183 	u_int16_t	error;
    184 #define	PCMCIA_CIS_INVALID		{ NULL, NULL, NULL, NULL }
    185 	struct pcmcia_function_head	pf_head;
    186 };
    187 
    188 struct pcmcia_softc {
    189 	device_t	dev;
    190 
    191 	/* this stuff is for the socket */
    192 	pcmcia_chipset_tag_t pct;
    193 	pcmcia_chipset_handle_t pch;
    194 
    195 	/* this stuff is for the card */
    196 	struct pcmcia_card card;
    197 	void		*ih;
    198 	int		sc_enabled_count;	/* how many functions are
    199 						   enabled */
    200 };
    201 
    202 struct pcmcia_cis_quirk {
    203 	int32_t manufacturer;
    204 	int32_t product;
    205 	const char *cis1_info[4];
    206 	const struct pcmcia_function *pf;
    207 	const struct pcmcia_config_entry *cfe;
    208 };
    209 
    210 struct pcmcia_attach_args {
    211 	int32_t manufacturer;
    212 	int32_t product;
    213 	struct pcmcia_card *card;
    214 	struct pcmcia_function *pf;
    215 };
    216 
    217 struct pcmcia_tuple {
    218 	unsigned int	code;
    219 	unsigned int	length;
    220 	u_long		mult;
    221 	bus_size_t	ptr;
    222 	bus_space_tag_t	memt;
    223 	bus_space_handle_t memh;
    224 };
    225 
    226 struct pcmcia_product {
    227 	u_int32_t	pp_vendor;
    228 	u_int32_t	pp_product;
    229 	const char	*pp_cisinfo[4];
    230 };
    231 
    232 typedef int (*pcmcia_product_match_fn)(struct pcmcia_attach_args *,
    233     const struct pcmcia_product *, int);
    234 
    235 const void *pcmcia_product_lookup(struct pcmcia_attach_args *, const void *,
    236 	    size_t, size_t, pcmcia_product_match_fn);
    237 
    238 void	pcmcia_devinfo(struct pcmcia_card *, int, char *, size_t);
    239 
    240 void	pcmcia_read_cis(struct pcmcia_softc *);
    241 void	pcmcia_check_cis_quirks(struct pcmcia_softc *);
    242 void	pcmcia_print_cis(struct pcmcia_softc *);
    243 int	pcmcia_scan_cis(device_t,
    244 	    int (*) (struct pcmcia_tuple *, void *), void *);
    245 
    246 #define	pcmcia_cis_read_1(tuple, idx0)					\
    247 	(bus_space_read_1((tuple)->memt, (tuple)->memh, (tuple)->mult*(idx0)))
    248 
    249 #define	pcmcia_tuple_read_1(tuple, idx1)				\
    250 	(pcmcia_cis_read_1((tuple), ((tuple)->ptr+(2+(idx1)))))
    251 
    252 #define	pcmcia_tuple_read_2(tuple, idx2)				\
    253 	(pcmcia_tuple_read_1((tuple), (idx2)) | 			\
    254 	 (pcmcia_tuple_read_1((tuple), (idx2)+1)<<8))
    255 
    256 #define	pcmcia_tuple_read_3(tuple, idx3)				\
    257 	(pcmcia_tuple_read_1((tuple), (idx3)) |				\
    258 	 (pcmcia_tuple_read_1((tuple), (idx3)+1)<<8) |			\
    259 	 (pcmcia_tuple_read_1((tuple), (idx3)+2)<<16))
    260 
    261 #define	pcmcia_tuple_read_4(tuple, idx4)				\
    262 	(pcmcia_tuple_read_1((tuple), (idx4)) |				\
    263 	 (pcmcia_tuple_read_1((tuple), (idx4)+1)<<8) |			\
    264 	 (pcmcia_tuple_read_1((tuple), (idx4)+2)<<16) |			\
    265 	 (pcmcia_tuple_read_1((tuple), (idx4)+3)<<24))
    266 
    267 #define	pcmcia_tuple_read_n(tuple, n, idxn)				\
    268 	(((n)==1)?pcmcia_tuple_read_1((tuple), (idxn)) :		\
    269 	 (((n)==2)?pcmcia_tuple_read_2((tuple), (idxn)) :		\
    270 	  (((n)==3)?pcmcia_tuple_read_3((tuple), (idxn)) :		\
    271 	   /* n == 4 */ pcmcia_tuple_read_4((tuple), (idxn)))))
    272 
    273 #define	PCMCIA_SPACE_MEMORY	1
    274 #define	PCMCIA_SPACE_IO		2
    275 
    276 int	pcmcia_ccr_read(struct pcmcia_function *, int);
    277 void	pcmcia_ccr_write(struct pcmcia_function *, int, int);
    278 
    279 #define	pcmcia_mfc(sc)	(! SIMPLEQ_EMPTY(&(sc)->card.pf_head) &&	\
    280 		 SIMPLEQ_NEXT(SIMPLEQ_FIRST(&(sc)->card.pf_head), pf_list))
    281 
    282 void	pcmcia_socket_enable(device_t);
    283 void	pcmcia_socket_disable(device_t);
    284 void	pcmcia_socket_settype(device_t, int);
    285 
    286 int	pcmcia_config_alloc(struct pcmcia_function *,
    287 	    struct pcmcia_config_entry *);
    288 void	pcmcia_config_free(struct pcmcia_function *);
    289 int	pcmcia_config_map(struct pcmcia_function *);
    290 void	pcmcia_config_unmap(struct pcmcia_function *);
    291 
    292 
    293 int	pcmcia_function_configure(struct pcmcia_function *,
    294 	    int (*validator)(struct pcmcia_config_entry *));
    295 void	pcmcia_function_unconfigure(struct pcmcia_function *);
    296 void	pcmcia_function_init(struct pcmcia_function *,
    297 	    struct pcmcia_config_entry *);
    298 int	pcmcia_function_enable(struct pcmcia_function *);
    299 void	pcmcia_function_disable(struct pcmcia_function *);
    300 
    301 #define	pcmcia_io_alloc(pf, start, size, align, pciop)			\
    302 	(pcmcia_chip_io_alloc((pf)->sc->pct, pf->sc->pch, (start),	\
    303 	 (size), (align), (pciop)))
    304 
    305 #define	pcmcia_io_free(pf, pciohp)					\
    306 	(pcmcia_chip_io_free((pf)->sc->pct, (pf)->sc->pch, (pciohp)))
    307 
    308 int	pcmcia_io_map(struct pcmcia_function *, int,
    309 	    struct pcmcia_io_handle *, int *);
    310 void	pcmcia_io_unmap(struct pcmcia_function *, int);
    311 
    312 void	pcmcia_free_pf(struct pcmcia_function_head *);
    313 
    314 #define pcmcia_mem_alloc(pf, size, pcmhp)				\
    315 	(pcmcia_chip_mem_alloc((pf)->sc->pct, (pf)->sc->pch, (size), (pcmhp)))
    316 
    317 #define pcmcia_mem_free(pf, pcmhp)					\
    318 	(pcmcia_chip_mem_free((pf)->sc->pct, (pf)->sc->pch, (pcmhp)))
    319 
    320 #define pcmcia_mem_map(pf, kind, card_addr, size, pcmhp, offsetp, windowp) \
    321 	(pcmcia_chip_mem_map((pf)->sc->pct, (pf)->sc->pch, (kind),	\
    322 	 (card_addr), (size), (pcmhp), (offsetp), (windowp)))
    323 
    324 #define	pcmcia_mem_unmap(pf, window)					\
    325 	(pcmcia_chip_mem_unmap((pf)->sc->pct, (pf)->sc->pch, (window)))
    326 
    327 void	*pcmcia_intr_establish(struct pcmcia_function *, int,
    328 	    int (*) (void *), void *);
    329 void 	pcmcia_intr_disestablish(struct pcmcia_function *, void *);
    330