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cardbusvar.h revision 1.49
      1 /*	$NetBSD: cardbusvar.h,v 1.49 2010/02/26 01:15:08 dyoung Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998, 1999 and 2000
      5  *       HAYAKAWA Koichi.  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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_CARDBUS_CARDBUSVAR_H_
     30 #define _DEV_CARDBUS_CARDBUSVAR_H_
     31 
     32 #include <dev/cardbus/cardbusreg.h>
     33 #if 1
     34 #include <dev/cardbus/rbus.h>
     35 #endif
     36 
     37 struct {
     38 	int dummy;
     39 } cardbus_chipset_tag;
     40 
     41 typedef struct cardbus_chipset_tag *cardbus_chipset_tag_t;
     42 
     43 #if rbus
     44 /*
     45  * struct cardbus_functions contains the pointers for basic cardbus
     46  * functions.  Those functions must be provided by cardbus bridge.
     47  * The child devices can use those functions.  The contained functions
     48  * are: cardbus_space_alloc, cardbus_space_free,
     49  * cardbus_intr_establish, cardbus_intr_disestablish, cardbus_ctrl,
     50  * cardbus_power, cardbus_make_tag, and cardbus_conf_write.
     51  *
     52  *	int (*cardbus_space_alloc)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     53  *	    bus_addr_t addr, bus_size_t size,
     54  *	    bus_addr_t mask, bus_size_t align,
     55  *	    int flags, bus_addr_t *addrp,
     56  *	    bus_space_handle_t *bshp);
     57  *
     58  *	int (*cardbus_space_free)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     59  *	    bus_space_handle_t, bus_size_t);
     60  *
     61  * cardbus_space_alloc and cardbus_space_free allocates and
     62  * disallocate bus space for the requesters.
     63  *
     64  *	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t ct, int irq,
     65  *	     int level, int (*ih)(void *), void *sc);
     66  *
     67  *	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t ct, void *ih);
     68  *	int (*cardbus_ctrl)(cardbus_chipset_tag_t ct, int command);
     69  *	int (*cardbus_power)(cardbus_chipset_tag_t ct, int voltage);
     70  *
     71  *	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t ct,
     72  *	    int busno, int functionno);
     73  *	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t ct,
     74  *	    pcitag_t tag, int offs);
     75  *	void (*cardbus_conf_write)(cardbus_chipset_tag_t ct,
     76  *	    pcitag_t tag, int offs, pcireg_t val);
     77  */
     78 typedef const struct cardbus_functions {
     79 	int (*cardbus_space_alloc)(cardbus_chipset_tag_t, rbus_tag_t,
     80 	    bus_addr_t, bus_size_t, bus_addr_t, bus_size_t,
     81 	    int, bus_addr_t *, bus_space_handle_t *);
     82 	int (*cardbus_space_free)(cardbus_chipset_tag_t, rbus_tag_t,
     83 	    bus_space_handle_t, bus_size_t);
     84 	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t,
     85 	    cardbus_intr_line_t, int, int (*)(void *), void *);
     86 	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t, void *);
     87 	int (*cardbus_ctrl)(cardbus_chipset_tag_t, int);
     88 	int (*cardbus_power)(cardbus_chipset_tag_t, int);
     89 
     90 	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t, int, int);
     91 	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t,
     92 	    pcitag_t, int);
     93 	void (*cardbus_conf_write)(cardbus_chipset_tag_t, pcitag_t,
     94 	    int, pcireg_t);
     95 } cardbus_function_t, *cardbus_function_tag_t;
     96 
     97 #else
     98 
     99 typedef const struct cardbus_functions {
    100 	int (*cardbus_ctrl)(cardbus_chipset_tag_t, int);
    101 	int (*cardbus_power)(cardbus_chipset_tag_t, int);
    102 	int (*cardbus_mem_open)(cardbus_chipset_tag_t, int, u_int32_t,
    103 	    u_int32_t);
    104 	int (*cardbus_mem_close)(cardbus_chipset_tag_t, int);
    105 	int (*cardbus_io_open)(cardbus_chipset_tag_t, int, u_int32_t,
    106 	    u_int32_t);
    107 	int (*cardbus_io_close)(cardbus_chipset_tag_t, int);
    108 	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t, int, int,
    109 	    int (*)(void *), void *);
    110 	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t, void *);
    111 
    112 	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t, int, int);
    113 	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t,
    114 	    pcitag_t, int);
    115 	void (*cardbus_conf_write)(cardbus_chipset_tag_t, pcitag_t,
    116 	    int, pcireg_t);
    117 } cardbus_function_t, *cardbus_function_tag_t;
    118 #endif /* rbus */
    119 
    120 /*
    121  * struct cbslot_attach_args is the attach argument for Cardbus cardslot.
    122  */
    123 struct cbslot_attach_args {
    124 	bus_space_tag_t cba_iot;	/* cardbus i/o space tag */
    125 	bus_space_tag_t cba_memt;	/* cardbus mem space tag */
    126 	bus_dma_tag_t cba_dmat;		/* DMA tag */
    127 
    128 	int cba_bus;			/* cardbus bus number */
    129 
    130 	cardbus_chipset_tag_t cba_cc;	/* cardbus chipset */
    131 	cardbus_function_tag_t cba_cf; /* cardbus functions */
    132 	cardbus_intr_line_t cba_intrline; /* interrupt line */
    133 
    134 #if rbus
    135 	rbus_tag_t cba_rbus_iot;	/* CardBus i/o rbus tag */
    136 	rbus_tag_t cba_rbus_memt;	/* CardBus mem rbus tag */
    137 #endif
    138 
    139 	int cba_cacheline;		/* cache line size */
    140 	int cba_max_lattimer;		/* No card's latency timer may
    141 					 * exceed this.  On a PCI-Cardbus
    142 					 * bridge, I let the latency timer on
    143 					 * the primary bus (PCI bus) set
    144 					 * the maximum.  That is kind of an
    145 					 * arbitrary choice.  A more sensible
    146 					 * choice may be either the
    147 					 * latency timer on the primary bus,
    148 					 * or the bridge's buffer size,
    149 					 * whichever is larger.
    150 					 */
    151 };
    152 
    153 
    154 struct cardbus_devfunc;
    155 
    156 /*
    157  * struct cardbus_softc is the softc for cardbus card.
    158  */
    159 struct cardbus_softc {
    160 	device_t sc_dev;		/* fundamental device structure */
    161 
    162 	int sc_bus;			/* cardbus bus number */
    163 	cardbus_intr_line_t sc_intrline; /* CardBus intrline */
    164 
    165 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
    166 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
    167 	bus_dma_tag_t sc_dmat;		/* DMA tag */
    168 
    169 	cardbus_chipset_tag_t sc_cc;	/* CardBus chipset */
    170 	cardbus_function_tag_t sc_cf;	/* CardBus function */
    171 
    172 #if rbus
    173 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
    174 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
    175 #endif
    176 
    177 	int sc_cacheline;		/* cache line size */
    178 	int sc_max_lattimer;		/* No card's latency timer
    179 					 * may exceed this.  On a PCI-Cardbus
    180 					 * bridge, the latency timer on
    181 					 * the primary bus (PCI bus) sets
    182 					 * the maximum.
    183 					 */
    184 	int sc_volt;			/* applied Vcc voltage */
    185 #define PCCARD_33V  0x02
    186 #define PCCARD_XXV  0x04
    187 #define PCCARD_YYV  0x08
    188 	int sc_poweron_func;
    189   struct cardbus_devfunc *sc_funcs[8];	/* list of cardbus device functions */
    190 };
    191 
    192 struct cardbus_conf_state {
    193 	pcireg_t reg[16];
    194 };
    195 
    196 /*
    197  * struct cardbus_devfunc:
    198  *
    199  *   This is the data deposit for each function of a CardBus device.
    200  *   This structure is used for memory or i/o space allocation and
    201  *   disallocation.
    202  */
    203 typedef struct cardbus_devfunc {
    204 	cardbus_chipset_tag_t ct_cc;
    205 	cardbus_function_tag_t ct_cf;
    206 	struct cardbus_softc *ct_sc;	/* pointer to the parent */
    207 	int ct_bus;			/* bus number */
    208 	int ct_func;			/* function number */
    209 
    210 #if rbus
    211 	rbus_tag_t ct_rbus_iot;		/* CardBus i/o rbus tag */
    212 	rbus_tag_t ct_rbus_memt;	/* CardBus mem rbus tag */
    213 #endif
    214 
    215 	pcireg_t ct_bar[6];		/* Base Address Regs 0 to 6 */
    216 	pcireg_t ct_bhlc;		/* Latency timer and cache line size */
    217 	/* u_int32_t ct_cisreg; */	/* CIS reg: is it needed??? */
    218 
    219 	device_t ct_device;	/* pointer to the device */
    220 
    221 	/* some data structure needed for tuple??? */
    222 } *cardbus_devfunc_t;
    223 
    224 
    225 /* XXX various things extracted from CIS */
    226 struct cardbus_cis_info {
    227 	int32_t		manufacturer;
    228 	int32_t		product;
    229 	char		cis1_info_buf[256];
    230 	char*		cis1_info[4];
    231 	struct cb_bar_info {
    232 		unsigned int flags;
    233 		unsigned int size;
    234 	} bar[7];
    235 	unsigned int	funcid;
    236 	union {
    237 		struct {
    238 			int uart_type;
    239 			int uart_present;
    240 		} serial;
    241 		struct {
    242 			char netid[6];
    243 			char netid_present;
    244 			char __filler;
    245 		} network;
    246 	} funce;
    247 };
    248 
    249 struct cardbus_attach_args {
    250 	cardbus_devfunc_t ca_ct;
    251 
    252 	bus_space_tag_t ca_iot;		/* CardBus I/O space tag */
    253 	bus_space_tag_t ca_memt;	/* CardBus MEM space tag */
    254 	bus_dma_tag_t ca_dmat;		/* DMA tag */
    255 
    256 	u_int ca_bus;
    257 	u_int ca_function;
    258 	pcitag_t ca_tag;
    259 	pcireg_t ca_id;
    260 	pcireg_t ca_class;
    261 
    262 	/* interrupt information */
    263 	cardbus_intr_line_t ca_intrline;
    264 
    265 #if rbus
    266 	rbus_tag_t ca_rbus_iot;		/* CardBus i/o rbus tag */
    267 	rbus_tag_t ca_rbus_memt;	/* CardBus mem rbus tag */
    268 #endif
    269 
    270 	struct cardbus_cis_info ca_cis;
    271 };
    272 
    273 
    274 #define CARDBUS_ENABLE  1	/* enable the channel */
    275 #define CARDBUS_DISABLE 2	/* disable the channel */
    276 #define CARDBUS_RESET   4
    277 #define CARDBUS_CD      7
    278 #  define CARDBUS_NOCARD 0
    279 #  define CARDBUS_5V_CARD 0x01	/* XXX: It must not exist */
    280 #  define CARDBUS_3V_CARD 0x02
    281 #  define CARDBUS_XV_CARD 0x04
    282 #  define CARDBUS_YV_CARD 0x08
    283 #define CARDBUS_IO_ENABLE    100
    284 #define CARDBUS_IO_DISABLE   101
    285 #define CARDBUS_MEM_ENABLE   102
    286 #define CARDBUS_MEM_DISABLE  103
    287 #define CARDBUS_BM_ENABLE    104 /* bus master */
    288 #define CARDBUS_BM_DISABLE   105
    289 
    290 #define CARDBUS_VCC_UC  0x0000
    291 #define CARDBUS_VCC_3V  0x0001
    292 #define CARDBUS_VCC_XV  0x0002
    293 #define CARDBUS_VCC_YV  0x0003
    294 #define CARDBUS_VCC_0V  0x0004
    295 #define CARDBUS_VCC_5V  0x0005	/* ??? */
    296 #define CARDBUS_VCCMASK 0x000f
    297 #define CARDBUS_VPP_UC  0x0000
    298 #define CARDBUS_VPP_VCC 0x0010
    299 #define CARDBUS_VPP_12V 0x0030
    300 #define CARDBUS_VPP_0V  0x0040
    301 #define CARDBUS_VPPMASK 0x00f0
    302 
    303 
    304 int cardbus_attach_card(struct cardbus_softc *);
    305 void cardbus_detach_card(struct cardbus_softc *);
    306 void *Cardbus_intr_establish(cardbus_devfunc_t,
    307     cardbus_intr_line_t, int, int (*)(void *), void *);
    308 void Cardbus_intr_disestablish(cardbus_devfunc_t, void *);
    309 void *cardbus_intr_establish(cardbus_chipset_tag_t, cardbus_function_tag_t,
    310     cardbus_intr_line_t, int, int (*) (void *), void *arg);
    311 void cardbus_intr_disestablish(cardbus_chipset_tag_t,
    312     cardbus_function_tag_t, void *);
    313 
    314 int cardbus_mapreg_map(struct cardbus_softc *, int, int, pcireg_t,
    315     int, bus_space_tag_t *, bus_space_handle_t *, bus_addr_t *, bus_size_t *);
    316 int cardbus_mapreg_unmap(struct cardbus_softc *, int, int,
    317     bus_space_tag_t, bus_space_handle_t, bus_size_t);
    318 
    319 int cardbus_save_bar(cardbus_devfunc_t);
    320 int cardbus_restore_bar(cardbus_devfunc_t);
    321 
    322 int cardbus_function_enable(struct cardbus_softc *, int);
    323 int cardbus_function_disable(struct cardbus_softc *, int);
    324 
    325 int cardbus_get_capability(cardbus_chipset_tag_t, cardbus_function_tag_t,
    326     pcitag_t, int, int *, pcireg_t *);
    327 int cardbus_get_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t *);
    328 int cardbus_set_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t);
    329 
    330 void cardbus_conf_capture(cardbus_chipset_tag_t, cardbus_function_tag_t,
    331     pcitag_t, struct cardbus_conf_state *);
    332 void cardbus_conf_restore(cardbus_chipset_tag_t, cardbus_function_tag_t,
    333     pcitag_t, struct cardbus_conf_state *);
    334 
    335 #define Cardbus_function_enable(ct) cardbus_function_enable((ct)->ct_sc, (ct)->ct_func)
    336 #define Cardbus_function_disable(ct) cardbus_function_disable((ct)->ct_sc, (ct)->ct_func)
    337 
    338 
    339 
    340 #define Cardbus_mapreg_map(ct, reg, type, busflags, tagp, handlep, basep, sizep) \
    341 	cardbus_mapreg_map((ct)->ct_sc, (ct->ct_func), (reg), (type),\
    342 			   (busflags), (tagp), (handlep), (basep), (sizep))
    343 #define Cardbus_mapreg_unmap(ct, reg, tag, handle, size) \
    344 	cardbus_mapreg_unmap((ct)->ct_sc, (ct->ct_func), (reg), (tag), (handle), (size))
    345 
    346 #define Cardbus_make_tag(ct) (*(ct)->ct_cf->cardbus_make_tag)((ct)->ct_cc, (ct)->ct_bus, (ct)->ct_func)
    347 #define cardbus_make_tag(cc, cf, bus, function) ((cf)->cardbus_make_tag)((cc), (bus), (function))
    348 
    349 #define Cardbus_conf_read(ct, tag, offs) (*(ct)->ct_cf->cardbus_conf_read)((ct)->ct_cc, (tag), (offs))
    350 #define cardbus_conf_read(cc, cf, tag, offs) ((cf)->cardbus_conf_read)((cc), (tag), (offs))
    351 #define Cardbus_conf_write(ct, tag, offs, val) (*(ct)->ct_cf->cardbus_conf_write)((ct)->ct_cc, (tag), (offs), (val))
    352 #define cardbus_conf_write(cc, cf, tag, offs, val) ((cf)->cardbus_conf_write)((cc), (tag), (offs), (val))
    353 
    354 #endif /* !_DEV_CARDBUS_CARDBUSVAR_H_ */
    355