Add alternate TI init routine

3 files changed, 282 insertions, 2 deletions

diff --git a/tools/Makefile.am b/tools/Makefile.am
index bc46b3d4..a94c786a 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -43,7 +43,7 @@ bin_PROGRAMS = $(tools_programs) $(dfutool_programs) $(dfubabel_programs)
 
 noinst_PROGRAMS = hcisecfilter ppporc avinfo $(usb_programs)
 
-hciattach_SOURCES = hciattach.c hciattach_st.c
+hciattach_SOURCES = hciattach.c hciattach_st.c hciattach_tialt.c
 hciattach_LDADD = @BLUEZ_LIBS@
 
 hciconfig_SOURCES = hciconfig.c csr.h csr.c
diff --git a/tools/hciattach.c b/tools/hciattach.c
index 7f699d92..1ef961b2 100644
--- a/tools/hciattach.c
+++ b/tools/hciattach.c
@@ -155,7 +155,7 @@ static int set_speed(int fd, struct termios *ti, int speed)
 /* 
  * Read an HCI event from the given file descriptor.
  */
-static int read_hci_event(int fd, unsigned char* buf, int size) 
+int read_hci_event(int fd, unsigned char* buf, int size) 
 {
 	int remain, r;
 	int count = 0;
@@ -343,6 +343,13 @@ static int texas(int fd, struct uart_t *u, struct termios *ti)
 	return 0;
 }
 
+extern int texasalt_init(int fd, int speed);
+
+static int texasalt(int fd, struct uart_t *u, struct termios *ti)
+{
+	return texasalt_init(fd, u->speed);
+}
+
 static int read_check(int fd, void *buf, int count)
 {
 	int res;
@@ -1061,6 +1068,7 @@ struct uart_t uart[] = {
 	{ "ericsson",   0x0000, 0x0000, HCI_UART_H4,   57600,  115200, FLOW_CTL, NULL, ericsson },
 	{ "digi",       0x0000, 0x0000, HCI_UART_H4,   9600,   115200, FLOW_CTL, NULL, digi     },
 	{ "texas",      0x0000, 0x0000, HCI_UART_H4,   115200, 115200, FLOW_CTL, NULL, texas    },
+	{ "texasalt",   0x0000, 0x0000, HCI_UART_LL,   115200, 115200, FLOW_CTL, NULL, texasalt },
 
 	{ "bcsp",       0x0000, 0x0000, HCI_UART_BCSP, 115200, 115200, 0,        NULL, bcsp     },
 
diff --git a/tools/hciattach_tialt.c b/tools/hciattach_tialt.c
new file mode 100644
index 00000000..39292c04
--- /dev/null
+++ b/tools/hciattach_tialt.c
@@ -0,0 +1,272 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2005-2008  Marcel Holtmann <marcel@holtmann.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 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
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <syslog.h>
+#include <termios.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/poll.h>
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
+
+#define FAILIF(x, args...) do {   \
+	if (x) {					  \
+		fprintf(stderr, ##args);  \
+		return -1;				  \
+	}							  \
+} while(0)
+
+typedef struct {
+	uint8_t uart_prefix;
+	hci_event_hdr hci_hdr;
+	evt_cmd_complete cmd_complete;
+	uint8_t status;
+	uint8_t data[16];
+} __attribute__((packed)) command_complete_t;
+
+extern int read_hci_event(int fd, unsigned char* buf, int size);
+
+static int read_command_complete(int fd, unsigned short opcode, unsigned char len) {
+	command_complete_t resp;
+	/* Read reply. */
+	FAILIF(read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)) < 0,
+		   "Failed to read response");
+	
+	/* Parse speed-change reply */
+	FAILIF(resp.uart_prefix != HCI_EVENT_PKT,
+		   "Error in response: not an event packet, but 0x%02x!\n", 
+		   resp.uart_prefix);
+
+	FAILIF(resp.hci_hdr.evt != EVT_CMD_COMPLETE, /* event must be event-complete */
+		   "Error in response: not a cmd-complete event, "
+		   "but 0x%02x!\n", resp.hci_hdr.evt);
+
+	FAILIF(resp.hci_hdr.plen < 4, /* plen >= 4 for EVT_CMD_COMPLETE */
+		   "Error in response: plen is not >= 4, but 0x%02x!\n",
+		   resp.hci_hdr.plen);
+
+	/* cmd-complete event: opcode */
+	FAILIF(resp.cmd_complete.opcode != (uint16_t)opcode,
+		   "Error in response: opcode is 0x%04x, not 0x%04x!",
+		   resp.cmd_complete.opcode, opcode);
+
+	return resp.status == 0 ? 0 : -1;
+}
+
+typedef struct {
+	uint8_t uart_prefix;
+	hci_command_hdr hci_hdr;
+	uint32_t speed;
+} __attribute__((packed)) texas_speed_change_cmd_t;
+
+static int texas_change_speed(int fd, uint32_t speed) {
+	
+	return 0;
+
+	/* Send a speed-change request */
+
+	texas_speed_change_cmd_t cmd;
+	int n;
+
+	cmd.uart_prefix = HCI_COMMAND_PKT;
+	cmd.hci_hdr.opcode = 0xff36;
+	cmd.hci_hdr.plen = sizeof(uint32_t);
+	cmd.speed = speed;
+
+	fprintf(stdout, "Setting speed to %d\n", speed);
+	n = write(fd, &cmd, sizeof(cmd));
+	if (n < 0) {
+		perror("Failed to write speed-set command");
+		return -1;
+	}
+
+	n = write(fd, &cmd, sizeof(cmd));
+	if (n < 0) {
+		perror("Failed to write command.");
+		return -1;
+	}
+	if (n < (int)sizeof(cmd)) {
+		fprintf(stderr, "Wanted to write %d bytes, could only write %d. "
+				"Stop\n", (int)sizeof(cmd), n);
+		return -1;
+	}
+
+	/* Parse speed-change reply */
+	if (read_command_complete(fd, 0xff36, 4) < 0) {
+		return -1;
+	}
+	fprintf(stdout, "Speed changed to %d.\n", speed);
+}
+
+static int texas_load_firmware(int fd, const char *firmware) {
+
+	fprintf(stdout, "Opening firmware file: %s\n", firmware);
+	int fw = open(firmware, O_RDONLY);
+	FAILIF(fw < 0, 
+		   "Could not open firmware file %s: %s (%d).\n",
+		   firmware, strerror(errno), errno);
+
+	fprintf(stdout, "Uploading firmware...\n");
+	do {
+		int nr;
+		/* Read each command and wait for a response. */
+		unsigned char cmdp[1 + sizeof(hci_command_hdr)];
+		nr = read(fw, cmdp, sizeof(cmdp));
+		if (!nr)
+			break;
+		hci_command_hdr *cmd = (hci_command_hdr *)(cmdp + 1);
+		FAILIF(nr != sizeof(cmdp), "Could not read H4 + HCI header!\n");
+		FAILIF(*cmdp != HCI_COMMAND_PKT, "Command is not an H4 command packet!\n");
+		
+		unsigned char data[1024];
+		FAILIF(read(fw, data, cmd->plen) != cmd->plen,
+			   "Could not read %d bytes of data for command with opcode %04x!\n",
+			   cmd->plen,
+			   cmd->opcode);
+				
+		{
+#if 0
+			fprintf(stdout, "\topcode 0x%04x (%d bytes of data).\n", 
+					cmd->opcode, 
+					cmd->plen);
+#endif
+			struct iovec iov_cmd[2];
+			iov_cmd[0].iov_base = cmdp;
+			iov_cmd[0].iov_len	= sizeof(cmdp);
+			iov_cmd[1].iov_base = data;
+			iov_cmd[1].iov_len	= cmd->plen;
+			int nw = writev(fd, iov_cmd, 2);
+			FAILIF(nw != sizeof(cmd) +	cmd->plen, 
+				   "Could not send entire command (sent only %d bytes)!\n",
+				   nw);
+		}
+
+		/* Wait for response */
+		if (read_command_complete(fd, 
+								  cmd->opcode,
+								  cmd->plen) < 0) {
+			return -1;
+		}
+			
+	} while(1);
+	fprintf(stdout, "Firmware upload successful.\n");
+
+	close(fw);
+	return 0;
+}
+
+int texasalt_init(int fd, int speed, struct termios *ti)
+{
+	struct timespec tm = {0, 50000};
+	char cmd[4];
+	unsigned char resp[100];		/* Response */
+	int n;
+
+	memset(resp,'\0', 100);
+
+	/* It is possible to get software version with manufacturer specific 
+	   HCI command HCI_VS_TI_Version_Number. But the only thing you get more
+	   is if this is point-to-point or point-to-multipoint module */
+
+	/* Get Manufacturer and LMP version */
+	cmd[0] = HCI_COMMAND_PKT;
+	cmd[1] = 0x01;
+	cmd[2] = 0x10;
+	cmd[3] = 0x00;
+
+	do {
+		n = write(fd, cmd, 4);
+		if (n < 0) {
+			perror("Failed to write init command (READ_LOCAL_VERSION_INFORMATION)");
+			return -1;
+		}
+		if (n < 4) {
+			fprintf(stderr, "Wanted to write 4 bytes, could only write %d. Stop\n", n);
+			return -1;
+		}
+
+		/* Read reply. */
+		if (read_hci_event(fd, resp, 100) < 0) {
+			perror("Failed to read init response (READ_LOCAL_VERSION_INFORMATION)");
+			return -1;
+		}
+
+		/* Wait for command complete event for our Opcode */
+	} while (resp[4] != cmd[1] && resp[5] != cmd[2]);
+
+	/* Verify manufacturer */
+	if ((resp[11] & 0xFF) != 0x0d)
+		fprintf(stderr,"WARNING : module's manufacturer is not Texas Instrument\n");
+
+	/* Print LMP version */
+	fprintf(stderr, "Texas module LMP version : 0x%02x\n", resp[10] & 0xFF);
+
+	/* Print LMP subversion */
+	{
+		unsigned short lmp_subv = resp[13] | (resp[14] << 8);
+		unsigned short brf_chip = (lmp_subv & 0x7c00) >> 10;
+		static const char *c_brf_chip[5] = {
+			"unknown",
+			"unknown",
+			"brf6100",
+			"brf6150",
+			"brf6300"
+		};
+
+		fprintf(stderr, "Texas module LMP sub-version : 0x%04x\n", lmp_subv);
+
+		fprintf(stderr,
+				"\tinternal version freeze: %d\n"
+				"\tsoftware version: %d\n"
+				"\tchip: %s (%d)\n",
+				lmp_subv & 0x7f,
+				((lmp_subv & 0x8000) >> (15-3)) | ((lmp_subv & 0x380) >> 7),
+				((brf_chip > 4) ? "unknown" : c_brf_chip[brf_chip]),
+				brf_chip);
+
+		char fw[100];
+		sprintf(fw, "/etc/firmware/%s.bin", c_brf_chip[brf_chip]);
+		texas_load_firmware(fd, fw);
+
+		texas_change_speed(fd, speed);
+	}
+	nanosleep(&tm, NULL);
+	return 0;
+}