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      1 /*	$NetBSD: cardbusvar.h,v 1.56 2012/02/18 00:36:57 matt 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 typedef struct cardbus_chipset_tag *cardbus_chipset_tag_t;
     36 
     37 /*
     38  * struct cardbus_functions contains the pointers for basic cardbus
     39  * functions.  Those functions must be provided by cardbus bridge.
     40  * The child devices can use those functions.  The contained functions
     41  * are: cardbus_space_alloc, cardbus_space_free,
     42  * cardbus_intr_establish, cardbus_intr_disestablish, cardbus_ctrl,
     43  * cardbus_power, cardbus_make_tag, and cardbus_conf_write.
     44  *
     45  *	int (*cardbus_space_alloc)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     46  *	    bus_addr_t addr, bus_size_t size,
     47  *	    bus_addr_t mask, bus_size_t align,
     48  *	    int flags, bus_addr_t *addrp,
     49  *	    bus_space_handle_t *bshp);
     50  *
     51  *	int (*cardbus_space_free)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     52  *	    bus_space_handle_t, bus_size_t);
     53  *
     54  * cardbus_space_alloc and cardbus_space_free allocates and
     55  * disallocate bus space for the requesters.
     56  *
     57  *	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t ct, int irq,
     58  *	     int level, int (*ih)(void *), void *sc);
     59  *
     60  *	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t ct, void *ih);
     61  *	int (*cardbus_ctrl)(cardbus_chipset_tag_t ct, int command);
     62  *	int (*cardbus_power)(cardbus_chipset_tag_t ct, int voltage);
     63  *
     64  *	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t ct,
     65  *	    int busno, int functionno);
     66  *	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t ct,
     67  *	    pcitag_t tag, int offs);
     68  *	void (*cardbus_conf_write)(cardbus_chipset_tag_t ct,
     69  *	    pcitag_t tag, int offs, pcireg_t val);
     70  */
     71 typedef const struct cardbus_functions {
     72 	int (*cardbus_space_alloc)(cardbus_chipset_tag_t, rbus_tag_t,
     73 	    bus_addr_t, bus_size_t, bus_addr_t, bus_size_t,
     74 	    int, bus_addr_t *, bus_space_handle_t *);
     75 	int (*cardbus_space_free)(cardbus_chipset_tag_t, rbus_tag_t,
     76 	    bus_space_handle_t, bus_size_t);
     77 	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t,
     78 	    int, int (*)(void *), void *);
     79 	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t, void *);
     80 	int (*cardbus_ctrl)(cardbus_chipset_tag_t, int);
     81 	int (*cardbus_power)(cardbus_chipset_tag_t, int);
     82 
     83 	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t, int, int);
     84 	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t,
     85 	    pcitag_t, int);
     86 	void (*cardbus_conf_write)(cardbus_chipset_tag_t, pcitag_t,
     87 	    int, pcireg_t);
     88 } cardbus_function_t, *cardbus_function_tag_t;
     89 
     90 /*
     91  * struct cbslot_attach_args is the attach argument for Cardbus cardslot.
     92  */
     93 struct cbslot_attach_args {
     94 	bus_space_tag_t cba_iot;	/* cardbus i/o space tag */
     95 	bus_space_tag_t cba_memt;	/* cardbus mem space tag */
     96 	bus_dma_tag_t cba_dmat;		/* DMA tag */
     97 
     98 	int cba_bus;			/* cardbus bus number */
     99 
    100 	cardbus_chipset_tag_t cba_cc;	/* cardbus chipset */
    101 	cardbus_function_tag_t cba_cf; /* cardbus functions */
    102 
    103 	rbus_tag_t cba_rbus_iot;	/* CardBus i/o rbus tag */
    104 	rbus_tag_t cba_rbus_memt;	/* CardBus mem rbus tag */
    105 
    106 	int cba_cacheline;		/* cache line size */
    107 	int cba_max_lattimer;		/* No card's latency timer may
    108 					 * exceed this.  On a PCI-Cardbus
    109 					 * bridge, I let the latency timer on
    110 					 * the primary bus (PCI bus) set
    111 					 * the maximum.  That is kind of an
    112 					 * arbitrary choice.  A more sensible
    113 					 * choice may be either the
    114 					 * latency timer on the primary bus,
    115 					 * or the bridge's buffer size,
    116 					 * whichever is larger.
    117 					 */
    118 };
    119 
    120 
    121 struct cardbus_devfunc;
    122 
    123 /*
    124  * struct cardbus_softc is the softc for cardbus card.
    125  */
    126 struct cardbus_softc {
    127 	device_t sc_dev;		/* fundamental device structure */
    128 
    129 	int sc_bus;			/* cardbus bus number */
    130 
    131 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
    132 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
    133 	bus_dma_tag_t sc_dmat;		/* DMA tag */
    134 
    135 	cardbus_chipset_tag_t sc_cc;	/* CardBus chipset */
    136 	cardbus_function_tag_t sc_cf;	/* CardBus function */
    137 
    138 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
    139 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
    140 
    141 	int sc_cacheline;		/* cache line size */
    142 	int sc_max_lattimer;		/* No card's latency timer
    143 					 * may exceed this.  On a PCI-Cardbus
    144 					 * bridge, the latency timer on
    145 					 * the primary bus (PCI bus) sets
    146 					 * the maximum.
    147 					 */
    148 	int sc_poweron_func;
    149   struct cardbus_devfunc *sc_funcs[8];	/* list of cardbus device functions */
    150 };
    151 
    152 struct cardbus_conf_state {
    153 	pcireg_t reg[16];
    154 };
    155 
    156 /*
    157  * struct cardbus_devfunc:
    158  *
    159  *   This is the data deposit for each function of a CardBus device.
    160  *   This structure is used for memory or i/o space allocation and
    161  *   disallocation.
    162  */
    163 typedef struct cardbus_devfunc {
    164 	cardbus_chipset_tag_t ct_cc;
    165 	cardbus_function_tag_t ct_cf;
    166 	struct cardbus_softc *ct_sc;	/* pointer to the parent */
    167 	int ct_bus;			/* bus number */
    168 	int ct_func;			/* function number */
    169 
    170 	pcireg_t ct_bhlc;		/* Latency timer and cache line size */
    171 	/* u_int32_t ct_cisreg; */	/* CIS reg: is it needed??? */
    172 
    173 	device_t ct_device;	/* pointer to the device */
    174 
    175 	/* some data structure needed for tuple??? */
    176 } *cardbus_devfunc_t;
    177 
    178 
    179 /* XXX various things extracted from CIS */
    180 struct cardbus_cis_info {
    181 	int32_t		manufacturer;
    182 	int32_t		product;
    183 	char		cis1_info_buf[256];
    184 	char*		cis1_info[4];
    185 	struct cb_bar_info {
    186 		unsigned int flags;
    187 		unsigned int size;
    188 	} bar[7];
    189 	unsigned int	funcid;
    190 	union {
    191 		struct {
    192 			int uart_type;
    193 			int uart_present;
    194 		} serial;
    195 		struct {
    196 			char netid[6];
    197 			char netid_present;
    198 			char __filler;
    199 		} network;
    200 	} funce;
    201 };
    202 
    203 struct cardbus_attach_args {
    204 	cardbus_devfunc_t ca_ct;
    205 
    206 	bus_space_tag_t ca_iot;		/* CardBus I/O space tag */
    207 	bus_space_tag_t ca_memt;	/* CardBus MEM space tag */
    208 	bus_dma_tag_t ca_dmat;		/* DMA tag */
    209 
    210 	u_int ca_bus;
    211 	u_int ca_function;
    212 	pcitag_t ca_tag;
    213 	pcireg_t ca_id;
    214 	pcireg_t ca_class;
    215 
    216 	rbus_tag_t ca_rbus_iot;		/* CardBus i/o rbus tag */
    217 	rbus_tag_t ca_rbus_memt;	/* CardBus mem rbus tag */
    218 
    219 	struct cardbus_cis_info ca_cis;
    220 };
    221 
    222 
    223 #define CARDBUS_ENABLE  1	/* enable the channel */
    224 #define CARDBUS_DISABLE 2	/* disable the channel */
    225 #define CARDBUS_RESET   4
    226 #define CARDBUS_CD      7
    227 #  define CARDBUS_NOCARD 0
    228 #  define CARDBUS_5V_CARD 0x01	/* XXX: It must not exist */
    229 #  define CARDBUS_3V_CARD 0x02
    230 #  define CARDBUS_XV_CARD 0x04
    231 #  define CARDBUS_YV_CARD 0x08
    232 #define CARDBUS_IO_ENABLE    100
    233 #define CARDBUS_IO_DISABLE   101
    234 #define CARDBUS_MEM_ENABLE   102
    235 #define CARDBUS_MEM_DISABLE  103
    236 #define CARDBUS_BM_ENABLE    104 /* bus master */
    237 #define CARDBUS_BM_DISABLE   105
    238 
    239 #define CARDBUS_VCC_UC  0x0000
    240 #define CARDBUS_VCC_3V  0x0001
    241 #define CARDBUS_VCC_XV  0x0002
    242 #define CARDBUS_VCC_YV  0x0003
    243 #define CARDBUS_VCC_0V  0x0004
    244 #define CARDBUS_VCC_5V  0x0005	/* ??? */
    245 #define CARDBUS_VCCMASK 0x000f
    246 #define CARDBUS_VPP_UC  0x0000
    247 #define CARDBUS_VPP_VCC 0x0010
    248 #define CARDBUS_VPP_12V 0x0030
    249 #define CARDBUS_VPP_0V  0x0040
    250 #define CARDBUS_VPPMASK 0x00f0
    251 
    252 
    253 int cardbus_attach_card(struct cardbus_softc *);
    254 void cardbus_detach_card(struct cardbus_softc *);
    255 void *Cardbus_intr_establish(cardbus_devfunc_t,
    256     int, int (*)(void *), void *);
    257 void Cardbus_intr_disestablish(cardbus_devfunc_t, void *);
    258 void *cardbus_intr_establish(cardbus_chipset_tag_t, cardbus_function_tag_t,
    259     int, int (*) (void *), void *arg);
    260 void cardbus_intr_disestablish(cardbus_chipset_tag_t, cardbus_function_tag_t,
    261     void *);
    262 
    263 int cardbus_mapreg_map(struct cardbus_softc *, int, int, pcireg_t,
    264     int, bus_space_tag_t *, bus_space_handle_t *, bus_addr_t *, bus_size_t *);
    265 int cardbus_mapreg_unmap(struct cardbus_softc *, int, int,
    266     bus_space_tag_t, bus_space_handle_t, bus_size_t);
    267 
    268 int cardbus_function_enable(struct cardbus_softc *, int);
    269 int cardbus_function_disable(struct cardbus_softc *, int);
    270 
    271 int cardbus_get_capability(cardbus_chipset_tag_t, cardbus_function_tag_t,
    272     pcitag_t, int, int *, pcireg_t *);
    273 int cardbus_get_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t *);
    274 int cardbus_set_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t);
    275 
    276 void cardbus_conf_capture(cardbus_chipset_tag_t, cardbus_function_tag_t,
    277     pcitag_t, struct cardbus_conf_state *);
    278 void cardbus_conf_restore(cardbus_chipset_tag_t, cardbus_function_tag_t,
    279     pcitag_t, struct cardbus_conf_state *);
    280 
    281 #define Cardbus_function_enable(ct) cardbus_function_enable((ct)->ct_sc, (ct)->ct_func)
    282 #define Cardbus_function_disable(ct) cardbus_function_disable((ct)->ct_sc, (ct)->ct_func)
    283 
    284 
    285 
    286 #define Cardbus_mapreg_map(ct, reg, type, busflags, tagp, handlep, basep, sizep) \
    287 	cardbus_mapreg_map((ct)->ct_sc, (ct->ct_func), (reg), (type),\
    288 			   (busflags), (tagp), (handlep), (basep), (sizep))
    289 #define Cardbus_mapreg_unmap(ct, reg, tag, handle, size) \
    290 	cardbus_mapreg_unmap((ct)->ct_sc, (ct->ct_func), (reg), (tag), (handle), (size))
    291 
    292 #define Cardbus_make_tag(ct) (*(ct)->ct_cf->cardbus_make_tag)((ct)->ct_cc, (ct)->ct_bus, (ct)->ct_func)
    293 #define cardbus_make_tag(cc, cf, bus, function) ((cf)->cardbus_make_tag)((cc), (bus), (function))
    294 
    295 #define Cardbus_conf_read(ct, tag, offs) (*(ct)->ct_cf->cardbus_conf_read)((ct)->ct_cc, (tag), (offs))
    296 #define cardbus_conf_read(cc, cf, tag, offs) ((cf)->cardbus_conf_read)((cc), (tag), (offs))
    297 #define Cardbus_conf_write(ct, tag, offs, val) (*(ct)->ct_cf->cardbus_conf_write)((ct)->ct_cc, (tag), (offs), (val))
    298 #define cardbus_conf_write(cc, cf, tag, offs, val) ((cf)->cardbus_conf_write)((cc), (tag), (offs), (val))
    299 
    300 #endif /* !_DEV_CARDBUS_CARDBUSVAR_H_ */
    301