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authorPaolo Bonzini <pbonzini@redhat.com>2013-03-01 13:59:19 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:12 +0200
commit49ab747f668f421138d5b40d83fa279c4c5e278d (patch)
tree943225a04eac885aed038731adf058f2250a2f40 /hw/bt-hci-csr.c
parentce3b494cb504f96992f2d37ebc8f56deed202b06 (diff)
downloadqemu-49ab747f668f421138d5b40d83fa279c4c5e278d.tar.gz
hw: move target-independent files to subdirectories
This patch tackles all files that are compiled once, moving them to subdirectories of hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/bt-hci-csr.c')
-rw-r--r--hw/bt-hci-csr.c454
1 files changed, 0 insertions, 454 deletions
diff --git a/hw/bt-hci-csr.c b/hw/bt-hci-csr.c
deleted file mode 100644
index 55c819b085..0000000000
--- a/hw/bt-hci-csr.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*
- * Bluetooth serial HCI transport.
- * CSR41814 HCI with H4p vendor extensions.
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu-common.h"
-#include "char/char.h"
-#include "qemu/timer.h"
-#include "hw/irq.h"
-#include "bt/bt.h"
-#include "hw/bt.h"
-
-struct csrhci_s {
- int enable;
- qemu_irq *pins;
- int pin_state;
- int modem_state;
- CharDriverState chr;
-#define FIFO_LEN 4096
- int out_start;
- int out_len;
- int out_size;
- uint8_t outfifo[FIFO_LEN * 2];
- uint8_t inpkt[FIFO_LEN];
- int in_len;
- int in_hdr;
- int in_data;
- QEMUTimer *out_tm;
- int64_t baud_delay;
-
- bdaddr_t bd_addr;
- struct HCIInfo *hci;
-};
-
-/* H4+ packet types */
-enum {
- H4_CMD_PKT = 1,
- H4_ACL_PKT = 2,
- H4_SCO_PKT = 3,
- H4_EVT_PKT = 4,
- H4_NEG_PKT = 6,
- H4_ALIVE_PKT = 7,
-};
-
-/* CSR41814 negotiation start magic packet */
-static const uint8_t csrhci_neg_packet[] = {
- H4_NEG_PKT, 10,
- 0x00, 0xa0, 0x01, 0x00, 0x00,
- 0x4c, 0x00, 0x96, 0x00, 0x00,
-};
-
-/* CSR41814 vendor-specific command OCFs */
-enum {
- OCF_CSR_SEND_FIRMWARE = 0x000,
-};
-
-static inline void csrhci_fifo_wake(struct csrhci_s *s)
-{
- if (!s->enable || !s->out_len)
- return;
-
- /* XXX: Should wait for s->modem_state & CHR_TIOCM_RTS? */
- if (s->chr.chr_can_read && s->chr.chr_can_read(s->chr.handler_opaque) &&
- s->chr.chr_read) {
- s->chr.chr_read(s->chr.handler_opaque,
- s->outfifo + s->out_start ++, 1);
- s->out_len --;
- if (s->out_start >= s->out_size) {
- s->out_start = 0;
- s->out_size = FIFO_LEN;
- }
- }
-
- if (s->out_len)
- qemu_mod_timer(s->out_tm, qemu_get_clock_ns(vm_clock) + s->baud_delay);
-}
-
-#define csrhci_out_packetz(s, len) memset(csrhci_out_packet(s, len), 0, len)
-static uint8_t *csrhci_out_packet(struct csrhci_s *s, int len)
-{
- int off = s->out_start + s->out_len;
-
- /* TODO: do the padding here, i.e. align len */
- s->out_len += len;
-
- if (off < FIFO_LEN) {
- if (off + len > FIFO_LEN && (s->out_size = off + len) > FIFO_LEN * 2) {
- fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
- exit(-1);
- }
- return s->outfifo + off;
- }
-
- if (s->out_len > s->out_size) {
- fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
- exit(-1);
- }
-
- return s->outfifo + off - s->out_size;
-}
-
-static inline uint8_t *csrhci_out_packet_csr(struct csrhci_s *s,
- int type, int len)
-{
- uint8_t *ret = csrhci_out_packetz(s, len + 2);
-
- *ret ++ = type;
- *ret ++ = len;
-
- return ret;
-}
-
-static inline uint8_t *csrhci_out_packet_event(struct csrhci_s *s,
- int evt, int len)
-{
- uint8_t *ret = csrhci_out_packetz(s,
- len + 1 + sizeof(struct hci_event_hdr));
-
- *ret ++ = H4_EVT_PKT;
- ((struct hci_event_hdr *) ret)->evt = evt;
- ((struct hci_event_hdr *) ret)->plen = len;
-
- return ret + sizeof(struct hci_event_hdr);
-}
-
-static void csrhci_in_packet_vendor(struct csrhci_s *s, int ocf,
- uint8_t *data, int len)
-{
- int offset;
- uint8_t *rpkt;
-
- switch (ocf) {
- case OCF_CSR_SEND_FIRMWARE:
- /* Check if this is the bd_address packet */
- if (len >= 18 + 8 && data[12] == 0x01 && data[13] == 0x00) {
- offset = 18;
- s->bd_addr.b[0] = data[offset + 7]; /* Beyond cmd packet end(!?) */
- s->bd_addr.b[1] = data[offset + 6];
- s->bd_addr.b[2] = data[offset + 4];
- s->bd_addr.b[3] = data[offset + 0];
- s->bd_addr.b[4] = data[offset + 3];
- s->bd_addr.b[5] = data[offset + 2];
-
- s->hci->bdaddr_set(s->hci, s->bd_addr.b);
- fprintf(stderr, "%s: bd_address loaded from firmware: "
- "%02x:%02x:%02x:%02x:%02x:%02x\n", __FUNCTION__,
- s->bd_addr.b[0], s->bd_addr.b[1], s->bd_addr.b[2],
- s->bd_addr.b[3], s->bd_addr.b[4], s->bd_addr.b[5]);
- }
-
- rpkt = csrhci_out_packet_event(s, EVT_VENDOR, 11);
- /* Status bytes: no error */
- rpkt[9] = 0x00;
- rpkt[10] = 0x00;
- break;
-
- default:
- fprintf(stderr, "%s: got a bad CMD packet\n", __FUNCTION__);
- return;
- }
-
- csrhci_fifo_wake(s);
-}
-
-static void csrhci_in_packet(struct csrhci_s *s, uint8_t *pkt)
-{
- uint8_t *rpkt;
- int opc;
-
- switch (*pkt ++) {
- case H4_CMD_PKT:
- opc = le16_to_cpu(((struct hci_command_hdr *) pkt)->opcode);
- if (cmd_opcode_ogf(opc) == OGF_VENDOR_CMD) {
- csrhci_in_packet_vendor(s, cmd_opcode_ocf(opc),
- pkt + sizeof(struct hci_command_hdr),
- s->in_len - sizeof(struct hci_command_hdr) - 1);
- return;
- }
-
- /* TODO: if the command is OCF_READ_LOCAL_COMMANDS or the likes,
- * we need to send it to the HCI layer and then add our supported
- * commands to the returned mask (such as OGF_VENDOR_CMD). With
- * bt-hci.c we could just have hooks for this kind of commands but
- * we can't with bt-host.c. */
-
- s->hci->cmd_send(s->hci, pkt, s->in_len - 1);
- break;
-
- case H4_EVT_PKT:
- goto bad_pkt;
-
- case H4_ACL_PKT:
- s->hci->acl_send(s->hci, pkt, s->in_len - 1);
- break;
-
- case H4_SCO_PKT:
- s->hci->sco_send(s->hci, pkt, s->in_len - 1);
- break;
-
- case H4_NEG_PKT:
- if (s->in_hdr != sizeof(csrhci_neg_packet) ||
- memcmp(pkt - 1, csrhci_neg_packet, s->in_hdr)) {
- fprintf(stderr, "%s: got a bad NEG packet\n", __FUNCTION__);
- return;
- }
- pkt += 2;
-
- rpkt = csrhci_out_packet_csr(s, H4_NEG_PKT, 10);
-
- *rpkt ++ = 0x20; /* Operational settings negotiation Ok */
- memcpy(rpkt, pkt, 7); rpkt += 7;
- *rpkt ++ = 0xff;
- *rpkt = 0xff;
- break;
-
- case H4_ALIVE_PKT:
- if (s->in_hdr != 4 || pkt[1] != 0x55 || pkt[2] != 0x00) {
- fprintf(stderr, "%s: got a bad ALIVE packet\n", __FUNCTION__);
- return;
- }
-
- rpkt = csrhci_out_packet_csr(s, H4_ALIVE_PKT, 2);
-
- *rpkt ++ = 0xcc;
- *rpkt = 0x00;
- break;
-
- default:
- bad_pkt:
- /* TODO: error out */
- fprintf(stderr, "%s: got a bad packet\n", __FUNCTION__);
- break;
- }
-
- csrhci_fifo_wake(s);
-}
-
-static int csrhci_header_len(const uint8_t *pkt)
-{
- switch (pkt[0]) {
- case H4_CMD_PKT:
- return HCI_COMMAND_HDR_SIZE;
- case H4_EVT_PKT:
- return HCI_EVENT_HDR_SIZE;
- case H4_ACL_PKT:
- return HCI_ACL_HDR_SIZE;
- case H4_SCO_PKT:
- return HCI_SCO_HDR_SIZE;
- case H4_NEG_PKT:
- return pkt[1] + 1;
- case H4_ALIVE_PKT:
- return 3;
- }
-
- exit(-1);
-}
-
-static int csrhci_data_len(const uint8_t *pkt)
-{
- switch (*pkt ++) {
- case H4_CMD_PKT:
- /* It seems that vendor-specific command packets for H4+ are all
- * one byte longer than indicated in the standard header. */
- if (le16_to_cpu(((struct hci_command_hdr *) pkt)->opcode) == 0xfc00)
- return (((struct hci_command_hdr *) pkt)->plen + 1) & ~1;
-
- return ((struct hci_command_hdr *) pkt)->plen;
- case H4_EVT_PKT:
- return ((struct hci_event_hdr *) pkt)->plen;
- case H4_ACL_PKT:
- return le16_to_cpu(((struct hci_acl_hdr *) pkt)->dlen);
- case H4_SCO_PKT:
- return ((struct hci_sco_hdr *) pkt)->dlen;
- case H4_NEG_PKT:
- case H4_ALIVE_PKT:
- return 0;
- }
-
- exit(-1);
-}
-
-static int csrhci_write(struct CharDriverState *chr,
- const uint8_t *buf, int len)
-{
- struct csrhci_s *s = (struct csrhci_s *) chr->opaque;
- int plen = s->in_len;
-
- if (!s->enable)
- return 0;
-
- s->in_len += len;
- memcpy(s->inpkt + plen, buf, len);
-
- while (1) {
- if (s->in_len >= 2 && plen < 2)
- s->in_hdr = csrhci_header_len(s->inpkt) + 1;
-
- if (s->in_len >= s->in_hdr && plen < s->in_hdr)
- s->in_data = csrhci_data_len(s->inpkt) + s->in_hdr;
-
- if (s->in_len >= s->in_data) {
- csrhci_in_packet(s, s->inpkt);
-
- memmove(s->inpkt, s->inpkt + s->in_len, s->in_len - s->in_data);
- s->in_len -= s->in_data;
- s->in_hdr = INT_MAX;
- s->in_data = INT_MAX;
- plen = 0;
- } else
- break;
- }
-
- return len;
-}
-
-static void csrhci_out_hci_packet_event(void *opaque,
- const uint8_t *data, int len)
-{
- struct csrhci_s *s = (struct csrhci_s *) opaque;
- uint8_t *pkt = csrhci_out_packet(s, (len + 2) & ~1); /* Align */
-
- *pkt ++ = H4_EVT_PKT;
- memcpy(pkt, data, len);
-
- csrhci_fifo_wake(s);
-}
-
-static void csrhci_out_hci_packet_acl(void *opaque,
- const uint8_t *data, int len)
-{
- struct csrhci_s *s = (struct csrhci_s *) opaque;
- uint8_t *pkt = csrhci_out_packet(s, (len + 2) & ~1); /* Align */
-
- *pkt ++ = H4_ACL_PKT;
- pkt[len & ~1] = 0;
- memcpy(pkt, data, len);
-
- csrhci_fifo_wake(s);
-}
-
-static int csrhci_ioctl(struct CharDriverState *chr, int cmd, void *arg)
-{
- QEMUSerialSetParams *ssp;
- struct csrhci_s *s = (struct csrhci_s *) chr->opaque;
- int prev_state = s->modem_state;
-
- switch (cmd) {
- case CHR_IOCTL_SERIAL_SET_PARAMS:
- ssp = (QEMUSerialSetParams *) arg;
- s->baud_delay = get_ticks_per_sec() / ssp->speed;
- /* Moments later... (but shorter than 100ms) */
- s->modem_state |= CHR_TIOCM_CTS;
- break;
-
- case CHR_IOCTL_SERIAL_GET_TIOCM:
- *(int *) arg = s->modem_state;
- break;
-
- case CHR_IOCTL_SERIAL_SET_TIOCM:
- s->modem_state = *(int *) arg;
- if (~s->modem_state & prev_state & CHR_TIOCM_RTS)
- s->modem_state &= ~CHR_TIOCM_CTS;
- break;
-
- default:
- return -ENOTSUP;
- }
- return 0;
-}
-
-static void csrhci_reset(struct csrhci_s *s)
-{
- s->out_len = 0;
- s->out_size = FIFO_LEN;
- s->in_len = 0;
- s->baud_delay = get_ticks_per_sec();
- s->enable = 0;
- s->in_hdr = INT_MAX;
- s->in_data = INT_MAX;
-
- s->modem_state = 0;
- /* After a while... (but sooner than 10ms) */
- s->modem_state |= CHR_TIOCM_CTS;
-
- memset(&s->bd_addr, 0, sizeof(bdaddr_t));
-}
-
-static void csrhci_out_tick(void *opaque)
-{
- csrhci_fifo_wake((struct csrhci_s *) opaque);
-}
-
-static void csrhci_pins(void *opaque, int line, int level)
-{
- struct csrhci_s *s = (struct csrhci_s *) opaque;
- int state = s->pin_state;
-
- s->pin_state &= ~(1 << line);
- s->pin_state |= (!!level) << line;
-
- if ((state & ~s->pin_state) & (1 << csrhci_pin_reset)) {
- /* TODO: Disappear from lower layers */
- csrhci_reset(s);
- }
-
- if (s->pin_state == 3 && state != 3) {
- s->enable = 1;
- /* TODO: Wake lower layers up */
- }
-}
-
-qemu_irq *csrhci_pins_get(CharDriverState *chr)
-{
- struct csrhci_s *s = (struct csrhci_s *) chr->opaque;
-
- return s->pins;
-}
-
-CharDriverState *uart_hci_init(qemu_irq wakeup)
-{
- struct csrhci_s *s = (struct csrhci_s *)
- g_malloc0(sizeof(struct csrhci_s));
-
- s->chr.opaque = s;
- s->chr.chr_write = csrhci_write;
- s->chr.chr_ioctl = csrhci_ioctl;
- s->chr.avail_connections = 1;
-
- s->hci = qemu_next_hci();
- s->hci->opaque = s;
- s->hci->evt_recv = csrhci_out_hci_packet_event;
- s->hci->acl_recv = csrhci_out_hci_packet_acl;
-
- s->out_tm = qemu_new_timer_ns(vm_clock, csrhci_out_tick, s);
- s->pins = qemu_allocate_irqs(csrhci_pins, s, __csrhci_pins);
- csrhci_reset(s);
-
- return &s->chr;
-}