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cardbusvar.h revision 1.52
      1 /*	$NetBSD: cardbusvar.h,v 1.52 2010/03/15 19:43:17 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 #include <dev/cardbus/rbus.h>
     34 
     35 struct {
     36 	int dummy;
     37 } cardbus_chipset_tag;
     38 
     39 typedef struct cardbus_chipset_tag *cardbus_chipset_tag_t;
     40 
     41 /*
     42  * struct cardbus_functions contains the pointers for basic cardbus
     43  * functions.  Those functions must be provided by cardbus bridge.
     44  * The child devices can use those functions.  The contained functions
     45  * are: cardbus_space_alloc, cardbus_space_free,
     46  * cardbus_intr_establish, cardbus_intr_disestablish, cardbus_ctrl,
     47  * cardbus_power, cardbus_make_tag, and cardbus_conf_write.
     48  *
     49  *	int (*cardbus_space_alloc)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     50  *	    bus_addr_t addr, bus_size_t size,
     51  *	    bus_addr_t mask, bus_size_t align,
     52  *	    int flags, bus_addr_t *addrp,
     53  *	    bus_space_handle_t *bshp);
     54  *
     55  *	int (*cardbus_space_free)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     56  *	    bus_space_handle_t, bus_size_t);
     57  *
     58  * cardbus_space_alloc and cardbus_space_free allocates and
     59  * disallocate bus space for the requesters.
     60  *
     61  *	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t ct, int irq,
     62  *	     int level, int (*ih)(void *), void *sc);
     63  *
     64  *	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t ct, void *ih);
     65  *	int (*cardbus_ctrl)(cardbus_chipset_tag_t ct, int command);
     66  *	int (*cardbus_power)(cardbus_chipset_tag_t ct, int voltage);
     67  *
     68  *	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t ct,
     69  *	    int busno, int functionno);
     70  *	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t ct,
     71  *	    pcitag_t tag, int offs);
     72  *	void (*cardbus_conf_write)(cardbus_chipset_tag_t ct,
     73  *	    pcitag_t tag, int offs, pcireg_t val);
     74  */
     75 typedef const struct cardbus_functions {
     76 	int (*cardbus_space_alloc)(cardbus_chipset_tag_t, rbus_tag_t,
     77 	    bus_addr_t, bus_size_t, bus_addr_t, bus_size_t,
     78 	    int, bus_addr_t *, bus_space_handle_t *);
     79 	int (*cardbus_space_free)(cardbus_chipset_tag_t, rbus_tag_t,
     80 	    bus_space_handle_t, bus_size_t);
     81 	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t,
     82 	    cardbus_intr_line_t, int, int (*)(void *), void *);
     83 	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t, void *);
     84 	int (*cardbus_ctrl)(cardbus_chipset_tag_t, int);
     85 	int (*cardbus_power)(cardbus_chipset_tag_t, int);
     86 
     87 	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t, int, int);
     88 	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t,
     89 	    pcitag_t, int);
     90 	void (*cardbus_conf_write)(cardbus_chipset_tag_t, pcitag_t,
     91 	    int, pcireg_t);
     92 } cardbus_function_t, *cardbus_function_tag_t;
     93 
     94 /*
     95  * struct cbslot_attach_args is the attach argument for Cardbus cardslot.
     96  */
     97 struct cbslot_attach_args {
     98 	bus_space_tag_t cba_iot;	/* cardbus i/o space tag */
     99 	bus_space_tag_t cba_memt;	/* cardbus mem space tag */
    100 	bus_dma_tag_t cba_dmat;		/* DMA tag */
    101 
    102 	int cba_bus;			/* cardbus bus number */
    103 
    104 	cardbus_chipset_tag_t cba_cc;	/* cardbus chipset */
    105 	cardbus_function_tag_t cba_cf; /* cardbus functions */
    106 	cardbus_intr_line_t cba_intrline; /* interrupt line */
    107 
    108 	rbus_tag_t cba_rbus_iot;	/* CardBus i/o rbus tag */
    109 	rbus_tag_t cba_rbus_memt;	/* CardBus mem rbus tag */
    110 
    111 	int cba_cacheline;		/* cache line size */
    112 	int cba_max_lattimer;		/* No card's latency timer may
    113 					 * exceed this.  On a PCI-Cardbus
    114 					 * bridge, I let the latency timer on
    115 					 * the primary bus (PCI bus) set
    116 					 * the maximum.  That is kind of an
    117 					 * arbitrary choice.  A more sensible
    118 					 * choice may be either the
    119 					 * latency timer on the primary bus,
    120 					 * or the bridge's buffer size,
    121 					 * whichever is larger.
    122 					 */
    123 };
    124 
    125 
    126 struct cardbus_devfunc;
    127 
    128 /*
    129  * struct cardbus_softc is the softc for cardbus card.
    130  */
    131 struct cardbus_softc {
    132 	device_t sc_dev;		/* fundamental device structure */
    133 
    134 	int sc_bus;			/* cardbus bus number */
    135 	cardbus_intr_line_t sc_intrline; /* CardBus intrline */
    136 
    137 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
    138 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
    139 	bus_dma_tag_t sc_dmat;		/* DMA tag */
    140 
    141 	cardbus_chipset_tag_t sc_cc;	/* CardBus chipset */
    142 	cardbus_function_tag_t sc_cf;	/* CardBus function */
    143 
    144 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
    145 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
    146 
    147 	int sc_cacheline;		/* cache line size */
    148 	int sc_max_lattimer;		/* No card's latency timer
    149 					 * may exceed this.  On a PCI-Cardbus
    150 					 * bridge, the latency timer on
    151 					 * the primary bus (PCI bus) sets
    152 					 * the maximum.
    153 					 */
    154 	int sc_volt;			/* applied Vcc voltage */
    155 #define PCCARD_33V  0x02
    156 #define PCCARD_XXV  0x04
    157 #define PCCARD_YYV  0x08
    158 	int sc_poweron_func;
    159   struct cardbus_devfunc *sc_funcs[8];	/* list of cardbus device functions */
    160 };
    161 
    162 struct cardbus_conf_state {
    163 	pcireg_t reg[16];
    164 };
    165 
    166 /*
    167  * struct cardbus_devfunc:
    168  *
    169  *   This is the data deposit for each function of a CardBus device.
    170  *   This structure is used for memory or i/o space allocation and
    171  *   disallocation.
    172  */
    173 typedef struct cardbus_devfunc {
    174 	cardbus_chipset_tag_t ct_cc;
    175 	cardbus_function_tag_t ct_cf;
    176 	struct cardbus_softc *ct_sc;	/* pointer to the parent */
    177 	int ct_bus;			/* bus number */
    178 	int ct_func;			/* function number */
    179 
    180 	pcireg_t ct_bar[6];		/* Base Address Regs 0 to 6 */
    181 	pcireg_t ct_bhlc;		/* Latency timer and cache line size */
    182 	/* u_int32_t ct_cisreg; */	/* CIS reg: is it needed??? */
    183 
    184 	device_t ct_device;	/* pointer to the device */
    185 
    186 	/* some data structure needed for tuple??? */
    187 } *cardbus_devfunc_t;
    188 
    189 
    190 /* XXX various things extracted from CIS */
    191 struct cardbus_cis_info {
    192 	int32_t		manufacturer;
    193 	int32_t		product;
    194 	char		cis1_info_buf[256];
    195 	char*		cis1_info[4];
    196 	struct cb_bar_info {
    197 		unsigned int flags;
    198 		unsigned int size;
    199 	} bar[7];
    200 	unsigned int	funcid;
    201 	union {
    202 		struct {
    203 			int uart_type;
    204 			int uart_present;
    205 		} serial;
    206 		struct {
    207 			char netid[6];
    208 			char netid_present;
    209 			char __filler;
    210 		} network;
    211 	} funce;
    212 };
    213 
    214 struct cardbus_attach_args {
    215 	cardbus_devfunc_t ca_ct;
    216 
    217 	bus_space_tag_t ca_iot;		/* CardBus I/O space tag */
    218 	bus_space_tag_t ca_memt;	/* CardBus MEM space tag */
    219 	bus_dma_tag_t ca_dmat;		/* DMA tag */
    220 
    221 	u_int ca_bus;
    222 	u_int ca_function;
    223 	pcitag_t ca_tag;
    224 	pcireg_t ca_id;
    225 	pcireg_t ca_class;
    226 
    227 	/* interrupt information */
    228 	cardbus_intr_line_t ca_intrline;
    229 
    230 	rbus_tag_t ca_rbus_iot;		/* CardBus i/o rbus tag */
    231 	rbus_tag_t ca_rbus_memt;	/* CardBus mem rbus tag */
    232 
    233 	struct cardbus_cis_info ca_cis;
    234 };
    235 
    236 
    237 #define CARDBUS_ENABLE  1	/* enable the channel */
    238 #define CARDBUS_DISABLE 2	/* disable the channel */
    239 #define CARDBUS_RESET   4
    240 #define CARDBUS_CD      7
    241 #  define CARDBUS_NOCARD 0
    242 #  define CARDBUS_5V_CARD 0x01	/* XXX: It must not exist */
    243 #  define CARDBUS_3V_CARD 0x02
    244 #  define CARDBUS_XV_CARD 0x04
    245 #  define CARDBUS_YV_CARD 0x08
    246 #define CARDBUS_IO_ENABLE    100
    247 #define CARDBUS_IO_DISABLE   101
    248 #define CARDBUS_MEM_ENABLE   102
    249 #define CARDBUS_MEM_DISABLE  103
    250 #define CARDBUS_BM_ENABLE    104 /* bus master */
    251 #define CARDBUS_BM_DISABLE   105
    252 
    253 #define CARDBUS_VCC_UC  0x0000
    254 #define CARDBUS_VCC_3V  0x0001
    255 #define CARDBUS_VCC_XV  0x0002
    256 #define CARDBUS_VCC_YV  0x0003
    257 #define CARDBUS_VCC_0V  0x0004
    258 #define CARDBUS_VCC_5V  0x0005	/* ??? */
    259 #define CARDBUS_VCCMASK 0x000f
    260 #define CARDBUS_VPP_UC  0x0000
    261 #define CARDBUS_VPP_VCC 0x0010
    262 #define CARDBUS_VPP_12V 0x0030
    263 #define CARDBUS_VPP_0V  0x0040
    264 #define CARDBUS_VPPMASK 0x00f0
    265 
    266 
    267 int cardbus_attach_card(struct cardbus_softc *);
    268 void cardbus_detach_card(struct cardbus_softc *);
    269 void *Cardbus_intr_establish(cardbus_devfunc_t,
    270     cardbus_intr_line_t, int, int (*)(void *), void *);
    271 void Cardbus_intr_disestablish(cardbus_devfunc_t, void *);
    272 void *cardbus_intr_establish(cardbus_chipset_tag_t, cardbus_function_tag_t,
    273     cardbus_intr_line_t, int, int (*) (void *), void *arg);
    274 void cardbus_intr_disestablish(cardbus_chipset_tag_t, cardbus_function_tag_t,
    275     void *);
    276 
    277 int cardbus_mapreg_map(struct cardbus_softc *, int, int, pcireg_t,
    278     int, bus_space_tag_t *, bus_space_handle_t *, bus_addr_t *, bus_size_t *);
    279 int cardbus_mapreg_unmap(struct cardbus_softc *, int, int,
    280     bus_space_tag_t, bus_space_handle_t, bus_size_t);
    281 
    282 int cardbus_save_bar(cardbus_devfunc_t);
    283 int cardbus_restore_bar(cardbus_devfunc_t);
    284 
    285 int cardbus_function_enable(struct cardbus_softc *, int);
    286 int cardbus_function_disable(struct cardbus_softc *, int);
    287 
    288 int cardbus_get_capability(cardbus_chipset_tag_t, cardbus_function_tag_t,
    289     pcitag_t, int, int *, pcireg_t *);
    290 int cardbus_get_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t *);
    291 int cardbus_set_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t);
    292 
    293 void cardbus_conf_capture(cardbus_chipset_tag_t, cardbus_function_tag_t,
    294     pcitag_t, struct cardbus_conf_state *);
    295 void cardbus_conf_restore(cardbus_chipset_tag_t, cardbus_function_tag_t,
    296     pcitag_t, struct cardbus_conf_state *);
    297 
    298 #define Cardbus_function_enable(ct) cardbus_function_enable((ct)->ct_sc, (ct)->ct_func)
    299 #define Cardbus_function_disable(ct) cardbus_function_disable((ct)->ct_sc, (ct)->ct_func)
    300 
    301 
    302 
    303 #define Cardbus_mapreg_map(ct, reg, type, busflags, tagp, handlep, basep, sizep) \
    304 	cardbus_mapreg_map((ct)->ct_sc, (ct->ct_func), (reg), (type),\
    305 			   (busflags), (tagp), (handlep), (basep), (sizep))
    306 #define Cardbus_mapreg_unmap(ct, reg, tag, handle, size) \
    307 	cardbus_mapreg_unmap((ct)->ct_sc, (ct->ct_func), (reg), (tag), (handle), (size))
    308 
    309 #define Cardbus_make_tag(ct) (*(ct)->ct_cf->cardbus_make_tag)((ct)->ct_cc, (ct)->ct_bus, (ct)->ct_func)
    310 #define cardbus_make_tag(cc, cf, bus, function) ((cf)->cardbus_make_tag)((cc), (bus), (function))
    311 
    312 #define Cardbus_conf_read(ct, tag, offs) (*(ct)->ct_cf->cardbus_conf_read)((ct)->ct_cc, (tag), (offs))
    313 #define cardbus_conf_read(cc, cf, tag, offs) ((cf)->cardbus_conf_read)((cc), (tag), (offs))
    314 #define Cardbus_conf_write(ct, tag, offs, val) (*(ct)->ct_cf->cardbus_conf_write)((ct)->ct_cc, (tag), (offs), (val))
    315 #define cardbus_conf_write(cc, cf, tag, offs, val) ((cf)->cardbus_conf_write)((cc), (tag), (offs), (val))
    316 
    317 #endif /* !_DEV_CARDBUS_CARDBUSVAR_H_ */
    318