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Add a "null" bluetooth HCI and a header file for bluetooth.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5342 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-09-28 23:19:47 +00:00
parent c0d82995d8
commit 1ae26a18a3
7 changed files with 301 additions and 4 deletions
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1
Makefile
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@ -81,6 +81,7 @@ OBJS+=scsi-generic.o
OBJS+=usb.o usb-hub.o usb-linux.o usb-hid.o usb-msd.o usb-wacom.o
OBJS+=usb-serial.o usb-net.o
OBJS+=sd.o ssi-sd.o
OBJS+=bt.o
ifdef CONFIG_BRLAPI
OBJS+= baum.o

123
hw/bt.c Normal file
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@ -0,0 +1,123 @@
/*
* Convenience functions for bluetooth.
*
* Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 or
* (at your option) version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "qemu-common.h"
#include "net.h"
#include "bt.h"
/* Slave implementations can ignore this */
static void bt_dummy_lmp_mode_change(struct bt_link_s *link)
{
}
/* Slaves should never receive these PDUs */
static void bt_dummy_lmp_connection_complete(struct bt_link_s *link)
{
if (link->slave->reject_reason)
fprintf(stderr, "%s: stray LMP_not_accepted received, fixme\n",
__FUNCTION__);
else
fprintf(stderr, "%s: stray LMP_accepted received, fixme\n",
__FUNCTION__);
exit(-1);
}
static void bt_dummy_lmp_disconnect_master(struct bt_link_s *link)
{
fprintf(stderr, "%s: stray LMP_detach received, fixme\n", __FUNCTION__);
exit(-1);
}
static void bt_dummy_lmp_acl_resp(struct bt_link_s *link,
const uint8_t *data, int start, int len)
{
fprintf(stderr, "%s: stray ACL response PDU, fixme\n", __FUNCTION__);
exit(-1);
}
/* Slaves that don't hold any additional per link state can use these */
static void bt_dummy_lmp_connection_request(struct bt_link_s *req)
{
struct bt_link_s *link = qemu_mallocz(sizeof(struct bt_link_s));
link->slave = req->slave;
link->host = req->host;
req->host->reject_reason = 0;
req->host->lmp_connection_complete(link);
}
static void bt_dummy_lmp_disconnect_slave(struct bt_link_s *link)
{
qemu_free(link);
}
static void bt_dummy_destroy(struct bt_device_s *device)
{
bt_device_done(device);
qemu_free(device);
}
static int bt_dev_idx = 0;
void bt_device_init(struct bt_device_s *dev, struct bt_scatternet_s *net)
{
memset(dev, 0, sizeof(*dev));
dev->inquiry_scan = 1;
dev->page_scan = 1;
dev->bd_addr.b[0] = bt_dev_idx & 0xff;
dev->bd_addr.b[1] = bt_dev_idx >> 8;
dev->bd_addr.b[2] = 0xd0;
dev->bd_addr.b[3] = 0xba;
dev->bd_addr.b[4] = 0xbe;
dev->bd_addr.b[5] = 0xba;
bt_dev_idx ++;
/* Simple slave-only devices need to implement only .lmp_acl_data */
dev->lmp_connection_complete = bt_dummy_lmp_connection_complete;
dev->lmp_disconnect_master = bt_dummy_lmp_disconnect_master;
dev->lmp_acl_resp = bt_dummy_lmp_acl_resp;
dev->lmp_mode_change = bt_dummy_lmp_mode_change;
dev->lmp_connection_request = bt_dummy_lmp_connection_request;
dev->lmp_disconnect_slave = bt_dummy_lmp_disconnect_slave;
dev->handle_destroy = bt_dummy_destroy;
dev->net = net;
dev->next = net->slave;
net->slave = dev;
}
void bt_device_done(struct bt_device_s *dev)
{
struct bt_device_s **p = &dev->net->slave;
while (*p && *p != dev)
p = &(*p)->next;
if (*p != dev) {
fprintf(stderr, "%s: bad bt device \"%s\"\n", __FUNCTION__,
dev->lmp_name ?: "(null)");
exit(-1);
}
*p = dev->next;
}

105
hw/bt.h Normal file
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@ -0,0 +1,105 @@
/*
* QEMU Bluetooth HCI helpers.
*
* Copyright (C) 2007 OpenMoko, Inc.
* Written by Andrzej Zaborowski <andrew@openedhand.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/* BD Address */
typedef struct {
uint8_t b[6];
} __attribute__((packed)) bdaddr_t;
#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
#define BDADDR_ALL (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
/* Copy, swap, convert BD Address */
static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
{
return memcmp(ba1, ba2, sizeof(bdaddr_t));
}
static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
{
memcpy(dst, src, sizeof(bdaddr_t));
}
#define BAINIT(orig) { .b = { \
(orig)->b[0], (orig)->b[1], (orig)->b[2], \
(orig)->b[3], (orig)->b[4], (orig)->b[5], \
}, }
/* The twisted structures of a bluetooth environment */
struct bt_device_s;
struct bt_scatternet_s;
struct bt_piconet_s;
struct bt_link_s;
struct bt_scatternet_s {
struct bt_device_s *slave;
};
struct bt_link_s {
struct bt_device_s *slave, *host;
uint16_t handle; /* Master (host) side handle */
uint16_t acl_interval;
enum {
acl_active,
acl_hold,
acl_sniff,
acl_parked,
} acl_mode;
};
struct bt_device_s {
int lt_addr;
bdaddr_t bd_addr;
int mtu;
int setup;
struct bt_scatternet_s *net;
uint8_t key[16];
int key_present;
uint8_t class[3];
uint8_t reject_reason;
uint64_t lmp_caps;
const char *lmp_name;
void (*lmp_connection_request)(struct bt_link_s *link);
void (*lmp_connection_complete)(struct bt_link_s *link);
void (*lmp_disconnect_master)(struct bt_link_s *link);
void (*lmp_disconnect_slave)(struct bt_link_s *link);
void (*lmp_acl_data)(struct bt_link_s *link, const uint8_t *data,
int start, int len);
void (*lmp_acl_resp)(struct bt_link_s *link, const uint8_t *data,
int start, int len);
void (*lmp_mode_change)(struct bt_link_s *link);
void (*handle_destroy)(struct bt_device_s *device);
struct bt_device_s *next; /* Next in the piconet/scatternet */
int inquiry_scan;
int page_scan;
uint16_t clkoff; /* Note: Always little-endian */
};
/* bt.c */
void bt_device_init(struct bt_device_s *dev, struct bt_scatternet_s *net);
void bt_device_done(struct bt_device_s *dev);

5
hw/nseries.c
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@ -31,6 +31,7 @@
#include "devices.h"
#include "flash.h"
#include "hw.h"
#include "bt.h"
/* Nokia N8x0 support */
struct n800_s {
@ -122,10 +123,6 @@ struct n800_s {
#define N8X0_BD_ADDR 0x00, 0x1a, 0x89, 0x9e, 0x3e, 0x81
typedef struct {
uint8_t b[6];
} __attribute__((packed)) bdaddr_t; /* XXX: move to BT headers */
static void n800_mmc_cs_cb(void *opaque, int line, int level)
{
/* TODO: this seems to actually be connected to the menelaus, to

14
net.h
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@ -48,6 +48,20 @@ struct NICInfo {
extern int nb_nics;
extern NICInfo nd_table[MAX_NICS];
/* BT HCI info */
struct HCIInfo {
int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
void *opaque;
void (*evt_recv)(void *opaque, const uint8_t *data, int len);
void (*acl_recv)(void *opaque, const uint8_t *data, int len);
};
struct HCIInfo *qemu_next_hci(void);
/* checksumming functions (net-checksum.c) */
uint32_t net_checksum_add(int len, uint8_t *buf);
uint16_t net_checksum_finish(uint32_t sum);

1
qemu-common.h
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@ -116,6 +116,7 @@ typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size)
/* A load of opaque types so that device init declarations don't have to
pull in all the real definitions. */
typedef struct NICInfo NICInfo;
typedef struct HCIInfo HCIInfo;
typedef struct AudioState AudioState;
typedef struct BlockDriverState BlockDriverState;
typedef struct DisplayState DisplayState;

56
vl.c
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@ -29,6 +29,7 @@
#include "hw/audiodev.h"
#include "hw/isa.h"
#include "hw/baum.h"
#include "hw/bt.h"
#include "net.h"
#include "console.h"
#include "sysemu.h"
@ -5361,6 +5362,61 @@ void do_info_network(void)
}
}
/***********************************************************/
/* Bluetooth support */
static int nb_hcis;
static int cur_hci;
static struct HCIInfo *hci_table[MAX_NICS];
static struct bt_vlan_s {
struct bt_scatternet_s net;
int id;
struct bt_vlan_s *next;
} *first_bt_vlan;
/* find or alloc a new bluetooth "VLAN" */
struct bt_scatternet_s *qemu_find_bt_vlan(int id)
{
struct bt_vlan_s **pvlan, *vlan;
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
if (vlan->id == id)
return &vlan->net;
}
vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
vlan->id = id;
pvlan = &first_bt_vlan;
while (*pvlan != NULL)
pvlan = &(*pvlan)->next;
*pvlan = vlan;
return &vlan->net;
}
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
{
}
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
{
return -ENOTSUP;
}
static struct HCIInfo null_hci = {
.cmd_send = null_hci_send,
.sco_send = null_hci_send,
.acl_send = null_hci_send,
.bdaddr_set = null_hci_addr_set,
};
struct HCIInfo *qemu_next_hci(void)
{
if (cur_hci == nb_hcis)
return &null_hci;
return hci_table[cur_hci++];
}
/***********************************************************/
/* QEMU Block devices */
#define HD_ALIAS "index=%d,media=disk"
#ifdef TARGET_PPC
#define CDROM_ALIAS "index=1,media=cdrom"