summaryrefslogtreecommitdiff
path: root/drivers/media/rc/mceusb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/rc/mceusb.c')
-rw-r--r--drivers/media/rc/mceusb.c410
1 files changed, 280 insertions, 130 deletions
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 85ff9a1ffb39..60d3c1e09712 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -1,7 +1,7 @@
/*
* Driver for USB Windows Media Center Ed. eHome Infrared Transceivers
*
- * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.com>
+ * Copyright (c) 2010-2011, Jarod Wilson <jarod@redhat.com>
*
* Based on the original lirc_mceusb and lirc_mceusb2 drivers, by Dan
* Conti, Martin Blatter and Daniel Melander, the latter of which was
@@ -15,6 +15,11 @@
* Jon Smirl, which included enhancements and simplifications to the
* incoming IR buffer parsing routines.
*
+ * Updated in July of 2011 with the aid of Microsoft's official
+ * remote/transceiver requirements and specification document, found at
+ * download.microsoft.com, title
+ * Windows-Media-Center-RC-IR-Collection-Green-Button-Specification-03-08-2011-V2.pdf
+ *
*
* 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
@@ -37,10 +42,11 @@
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/usb/input.h>
+#include <linux/pm_wakeup.h>
#include <media/rc-core.h>
-#define DRIVER_VERSION "1.91"
-#define DRIVER_AUTHOR "Jarod Wilson <jarod@wilsonet.com>"
+#define DRIVER_VERSION "1.92"
+#define DRIVER_AUTHOR "Jarod Wilson <jarod@redhat.com>"
#define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \
"device driver"
#define DRIVER_NAME "mceusb"
@@ -63,43 +69,90 @@
#define MCE_PULSE_MASK 0x7f /* Pulse mask */
#define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */
-#define MCE_HW_CMD_HEADER 0xff /* MCE hardware command header */
-#define MCE_COMMAND_HEADER 0x9f /* MCE command header */
-#define MCE_COMMAND_MASK 0xe0 /* Mask out command bits */
-#define MCE_COMMAND_NULL 0x00 /* These show up various places... */
-/* if buf[i] & MCE_COMMAND_MASK == 0x80 and buf[i] != MCE_COMMAND_HEADER,
- * then we're looking at a raw IR data sample */
-#define MCE_COMMAND_IRDATA 0x80
-#define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */
-
-/* Sub-commands, which follow MCE_COMMAND_HEADER or MCE_HW_CMD_HEADER */
+/*
+ * The interface between the host and the IR hardware is command-response
+ * based. All commands and responses have a consistent format, where a lead
+ * byte always identifies the type of data following it. The lead byte has
+ * a port value in the 3 highest bits and a length value in the 5 lowest
+ * bits.
+ *
+ * The length field is overloaded, with a value of 11111 indicating that the
+ * following byte is a command or response code, and the length of the entire
+ * message is determined by the code. If the length field is not 11111, then
+ * it specifies the number of bytes of port data that follow.
+ */
+#define MCE_CMD 0x1f
+#define MCE_PORT_IR 0x4 /* (0x4 << 5) | MCE_CMD = 0x9f */
+#define MCE_PORT_SYS 0x7 /* (0x7 << 5) | MCE_CMD = 0xff */
+#define MCE_PORT_SER 0x6 /* 0xc0 thru 0xdf flush & 0x1f bytes */
+#define MCE_PORT_MASK 0xe0 /* Mask out command bits */
+
+/* Command port headers */
+#define MCE_CMD_PORT_IR 0x9f /* IR-related cmd/rsp */
+#define MCE_CMD_PORT_SYS 0xff /* System (non-IR) device cmd/rsp */
+
+/* Commands that set device state (2-4 bytes in length) */
+#define MCE_CMD_RESET 0xfe /* Reset device, 2 bytes */
+#define MCE_CMD_RESUME 0xaa /* Resume device after error, 2 bytes */
+#define MCE_CMD_SETIRCFS 0x06 /* Set tx carrier, 4 bytes */
+#define MCE_CMD_SETIRTIMEOUT 0x0c /* Set timeout, 4 bytes */
+#define MCE_CMD_SETIRTXPORTS 0x08 /* Set tx ports, 3 bytes */
+#define MCE_CMD_SETIRRXPORTEN 0x14 /* Set rx ports, 3 bytes */
+#define MCE_CMD_FLASHLED 0x23 /* Flash receiver LED, 2 bytes */
+
+/* Commands that query device state (all 2 bytes, unless noted) */
+#define MCE_CMD_GETIRCFS 0x07 /* Get carrier */
+#define MCE_CMD_GETIRTIMEOUT 0x0d /* Get timeout */
+#define MCE_CMD_GETIRTXPORTS 0x13 /* Get tx ports */
+#define MCE_CMD_GETIRRXPORTEN 0x15 /* Get rx ports */
+#define MCE_CMD_GETPORTSTATUS 0x11 /* Get tx port status, 3 bytes */
+#define MCE_CMD_GETIRNUMPORTS 0x16 /* Get number of ports */
+#define MCE_CMD_GETWAKESOURCE 0x17 /* Get wake source */
+#define MCE_CMD_GETEMVER 0x22 /* Get emulator interface version */
+#define MCE_CMD_GETDEVDETAILS 0x21 /* Get device details (em ver2 only) */
+#define MCE_CMD_GETWAKESUPPORT 0x20 /* Get wake details (em ver2 only) */
+#define MCE_CMD_GETWAKEVERSION 0x18 /* Get wake pattern (em ver2 only) */
+
+/* Misc commands */
+#define MCE_CMD_NOP 0xff /* No operation */
+
+/* Responses to commands (non-error cases) */
+#define MCE_RSP_EQIRCFS 0x06 /* tx carrier, 4 bytes */
+#define MCE_RSP_EQIRTIMEOUT 0x0c /* rx timeout, 4 bytes */
+#define MCE_RSP_GETWAKESOURCE 0x17 /* wake source, 3 bytes */
+#define MCE_RSP_EQIRTXPORTS 0x08 /* tx port mask, 3 bytes */
+#define MCE_RSP_EQIRRXPORTEN 0x14 /* rx port mask, 3 bytes */
+#define MCE_RSP_GETPORTSTATUS 0x11 /* tx port status, 7 bytes */
+#define MCE_RSP_EQIRRXCFCNT 0x15 /* rx carrier count, 4 bytes */
+#define MCE_RSP_EQIRNUMPORTS 0x16 /* number of ports, 4 bytes */
+#define MCE_RSP_EQWAKESUPPORT 0x20 /* wake capabilities, 3 bytes */
+#define MCE_RSP_EQWAKEVERSION 0x18 /* wake pattern details, 6 bytes */
+#define MCE_RSP_EQDEVDETAILS 0x21 /* device capabilities, 3 bytes */
+#define MCE_RSP_EQEMVER 0x22 /* emulator interface ver, 3 bytes */
+#define MCE_RSP_FLASHLED 0x23 /* success flashing LED, 2 bytes */
+
+/* Responses to error cases, must send MCE_CMD_RESUME to clear them */
+#define MCE_RSP_CMD_ILLEGAL 0xfe /* illegal command for port, 2 bytes */
+#define MCE_RSP_TX_TIMEOUT 0x81 /* tx timed out, 2 bytes */
+
+/* Misc commands/responses not defined in the MCE remote/transceiver spec */
#define MCE_CMD_SIG_END 0x01 /* End of signal */
#define MCE_CMD_PING 0x03 /* Ping device */
#define MCE_CMD_UNKNOWN 0x04 /* Unknown */
#define MCE_CMD_UNKNOWN2 0x05 /* Unknown */
-#define MCE_CMD_S_CARRIER 0x06 /* Set TX carrier frequency */
-#define MCE_CMD_G_CARRIER 0x07 /* Get TX carrier frequency */
-#define MCE_CMD_S_TXMASK 0x08 /* Set TX port bitmask */
#define MCE_CMD_UNKNOWN3 0x09 /* Unknown */
#define MCE_CMD_UNKNOWN4 0x0a /* Unknown */
#define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */
-#define MCE_CMD_S_TIMEOUT 0x0c /* Set RX timeout value */
-#define MCE_CMD_G_TIMEOUT 0x0d /* Get RX timeout value */
#define MCE_CMD_UNKNOWN5 0x0e /* Unknown */
#define MCE_CMD_UNKNOWN6 0x0f /* Unknown */
-#define MCE_CMD_G_RXPORTSTS 0x11 /* Get RX port status */
-#define MCE_CMD_G_TXMASK 0x13 /* Set TX port bitmask */
-#define MCE_CMD_S_RXSENSOR 0x14 /* Set RX sensor (std/learning) */
-#define MCE_CMD_G_RXSENSOR 0x15 /* Get RX sensor (std/learning) */
-#define MCE_RSP_PULSE_COUNT 0x15 /* RX pulse count (only if learning) */
-#define MCE_CMD_TX_PORTS 0x16 /* Get number of TX ports */
-#define MCE_CMD_G_WAKESRC 0x17 /* Get wake source */
-#define MCE_CMD_UNKNOWN7 0x18 /* Unknown */
#define MCE_CMD_UNKNOWN8 0x19 /* Unknown */
#define MCE_CMD_UNKNOWN9 0x1b /* Unknown */
-#define MCE_CMD_DEVICE_RESET 0xaa /* Reset the hardware */
-#define MCE_RSP_CMD_INVALID 0xfe /* Invalid command issued */
+#define MCE_CMD_NULL 0x00 /* These show up various places... */
+/* if buf[i] & MCE_PORT_MASK == 0x80 and buf[i] != MCE_CMD_PORT_IR,
+ * then we're looking at a raw IR data sample */
+#define MCE_COMMAND_IRDATA 0x80
+#define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */
/* module parameters */
#ifdef CONFIG_USB_DEBUG
@@ -388,48 +441,37 @@ struct mceusb_dev {
char name[128];
char phys[64];
enum mceusb_model_type model;
+
+ bool need_reset; /* flag to issue a device resume cmd */
+ u8 emver; /* emulator interface version */
+ u8 num_txports; /* number of transmit ports */
+ u8 num_rxports; /* number of receive sensors */
+ u8 txports_cabled; /* bitmask of transmitters with cable */
+ u8 rxports_active; /* bitmask of active receive sensors */
};
-/*
- * MCE Device Command Strings
- * Device command responses vary from device to device...
- * - DEVICE_RESET resets the hardware to its default state
- * - GET_REVISION fetches the hardware/software revision, common
- * replies are ff 0b 45 ff 1b 08 and ff 0b 50 ff 1b 42
- * - GET_CARRIER_FREQ gets the carrier mode and frequency of the
- * device, with replies in the form of 9f 06 MM FF, where MM is 0-3,
- * meaning clk of 10000000, 2500000, 625000 or 156250, and FF is
- * ((clk / frequency) - 1)
- * - GET_RX_TIMEOUT fetches the receiver timeout in units of 50us,
- * response in the form of 9f 0c msb lsb
- * - GET_TX_BITMASK fetches the transmitter bitmask, replies in
- * the form of 9f 08 bm, where bm is the bitmask
- * - GET_RX_SENSOR fetches the RX sensor setting -- long-range
- * general use one or short-range learning one, in the form of
- * 9f 14 ss, where ss is either 01 for long-range or 02 for short
- * - SET_CARRIER_FREQ sets a new carrier mode and frequency
- * - SET_TX_BITMASK sets the transmitter bitmask
- * - SET_RX_TIMEOUT sets the receiver timeout
- * - SET_RX_SENSOR sets which receiver sensor to use
- */
-static char DEVICE_RESET[] = {MCE_COMMAND_NULL, MCE_HW_CMD_HEADER,
- MCE_CMD_DEVICE_RESET};
-static char GET_REVISION[] = {MCE_HW_CMD_HEADER, MCE_CMD_G_REVISION};
-static char GET_UNKNOWN[] = {MCE_HW_CMD_HEADER, MCE_CMD_UNKNOWN7};
-static char GET_UNKNOWN2[] = {MCE_COMMAND_HEADER, MCE_CMD_UNKNOWN2};
-static char GET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER, MCE_CMD_G_CARRIER};
-static char GET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TIMEOUT};
-static char GET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TXMASK};
-static char GET_RX_SENSOR[] = {MCE_COMMAND_HEADER, MCE_CMD_G_RXSENSOR};
+/* MCE Device Command Strings, generally a port and command pair */
+static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS,
+ MCE_CMD_RESUME};
+static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION};
+static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER};
+static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION};
+static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED};
+static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2};
+static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS};
+static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT};
+static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS};
+static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS};
+static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN};
/* sub in desired values in lower byte or bytes for full command */
/* FIXME: make use of these for transmit.
-static char SET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER,
- MCE_CMD_S_CARRIER, 0x00, 0x00};
-static char SET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_S_TXMASK, 0x00};
-static char SET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER,
- MCE_CMD_S_TIMEOUT, 0x00, 0x00};
-static char SET_RX_SENSOR[] = {MCE_COMMAND_HEADER,
- MCE_CMD_S_RXSENSOR, 0x00};
+static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR,
+ MCE_CMD_SETIRCFS, 0x00, 0x00};
+static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00};
+static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR,
+ MCE_CMD_SETIRTIMEOUT, 0x00, 0x00};
+static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR,
+ MCE_RSP_EQIRRXPORTEN, 0x00};
*/
static int mceusb_cmdsize(u8 cmd, u8 subcmd)
@@ -437,27 +479,33 @@ static int mceusb_cmdsize(u8 cmd, u8 subcmd)
int datasize = 0;
switch (cmd) {
- case MCE_COMMAND_NULL:
- if (subcmd == MCE_HW_CMD_HEADER)
+ case MCE_CMD_NULL:
+ if (subcmd == MCE_CMD_PORT_SYS)
datasize = 1;
break;
- case MCE_HW_CMD_HEADER:
+ case MCE_CMD_PORT_SYS:
switch (subcmd) {
+ case MCE_RSP_EQWAKEVERSION:
+ datasize = 4;
+ break;
case MCE_CMD_G_REVISION:
datasize = 2;
break;
+ case MCE_RSP_EQWAKESUPPORT:
+ datasize = 1;
+ break;
}
- case MCE_COMMAND_HEADER:
+ case MCE_CMD_PORT_IR:
switch (subcmd) {
case MCE_CMD_UNKNOWN:
- case MCE_CMD_S_CARRIER:
- case MCE_CMD_S_TIMEOUT:
- case MCE_RSP_PULSE_COUNT:
+ case MCE_RSP_EQIRCFS:
+ case MCE_RSP_EQIRTIMEOUT:
+ case MCE_RSP_EQIRRXCFCNT:
datasize = 2;
break;
case MCE_CMD_SIG_END:
- case MCE_CMD_S_TXMASK:
- case MCE_CMD_S_RXSENSOR:
+ case MCE_RSP_EQIRTXPORTS:
+ case MCE_RSP_EQIRRXPORTEN:
datasize = 1;
break;
}
@@ -470,9 +518,10 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
{
char codes[USB_BUFLEN * 3 + 1];
char inout[9];
- u8 cmd, subcmd, data1, data2;
+ u8 cmd, subcmd, data1, data2, data3, data4, data5;
struct device *dev = ir->dev;
int i, start, skip = 0;
+ u32 carrier, period;
if (!debug)
return;
@@ -500,18 +549,28 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
subcmd = buf[start + 1] & 0xff;
data1 = buf[start + 2] & 0xff;
data2 = buf[start + 3] & 0xff;
+ data3 = buf[start + 4] & 0xff;
+ data4 = buf[start + 5] & 0xff;
+ data5 = buf[start + 6] & 0xff;
switch (cmd) {
- case MCE_COMMAND_NULL:
- if ((subcmd == MCE_HW_CMD_HEADER) &&
- (data1 == MCE_CMD_DEVICE_RESET))
- dev_info(dev, "Device reset requested\n");
+ case MCE_CMD_NULL:
+ if (subcmd == MCE_CMD_NULL)
+ break;
+ if ((subcmd == MCE_CMD_PORT_SYS) &&
+ (data1 == MCE_CMD_RESUME))
+ dev_info(dev, "Device resume requested\n");
else
dev_info(dev, "Unknown command 0x%02x 0x%02x\n",
cmd, subcmd);
break;
- case MCE_HW_CMD_HEADER:
+ case MCE_CMD_PORT_SYS:
switch (subcmd) {
+ case MCE_RSP_EQEMVER:
+ if (!out)
+ dev_info(dev, "Emulator interface version %x\n",
+ data1);
+ break;
case MCE_CMD_G_REVISION:
if (len == 2)
dev_info(dev, "Get hw/sw rev?\n");
@@ -520,21 +579,35 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
"0x%02x 0x%02x\n", data1, data2,
buf[start + 4], buf[start + 5]);
break;
- case MCE_CMD_DEVICE_RESET:
- dev_info(dev, "Device reset requested\n");
+ case MCE_CMD_RESUME:
+ dev_info(dev, "Device resume requested\n");
+ break;
+ case MCE_RSP_CMD_ILLEGAL:
+ dev_info(dev, "Illegal PORT_SYS command\n");
break;
- case MCE_RSP_CMD_INVALID:
- dev_info(dev, "Previous command not supported\n");
+ case MCE_RSP_EQWAKEVERSION:
+ if (!out)
+ dev_info(dev, "Wake version, proto: 0x%02x, "
+ "payload: 0x%02x, address: 0x%02x, "
+ "version: 0x%02x\n",
+ data1, data2, data3, data4);
+ break;
+ case MCE_RSP_GETPORTSTATUS:
+ if (!out)
+ /* We use data1 + 1 here, to match hw labels */
+ dev_info(dev, "TX port %d: blaster is%s connected\n",
+ data1 + 1, data4 ? " not" : "");
+ break;
+ case MCE_CMD_FLASHLED:
+ dev_info(dev, "Attempting to flash LED\n");
break;
- case MCE_CMD_UNKNOWN7:
- case MCE_CMD_UNKNOWN9:
default:
dev_info(dev, "Unknown command 0x%02x 0x%02x\n",
cmd, subcmd);
break;
}
break;
- case MCE_COMMAND_HEADER:
+ case MCE_CMD_PORT_IR:
switch (subcmd) {
case MCE_CMD_SIG_END:
dev_info(dev, "End of signal\n");
@@ -546,47 +619,55 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
dev_info(dev, "Resp to 9f 05 of 0x%02x 0x%02x\n",
data1, data2);
break;
- case MCE_CMD_S_CARRIER:
- dev_info(dev, "%s carrier mode and freq of "
- "0x%02x 0x%02x\n", inout, data1, data2);
+ case MCE_RSP_EQIRCFS:
+ period = DIV_ROUND_CLOSEST(
+ (1 << data1 * 2) * (data2 + 1), 10);
+ if (!period)
+ break;
+ carrier = (1000 * 1000) / period;
+ dev_info(dev, "%s carrier of %u Hz (period %uus)\n",
+ inout, carrier, period);
break;
- case MCE_CMD_G_CARRIER:
+ case MCE_CMD_GETIRCFS:
dev_info(dev, "Get carrier mode and freq\n");
break;
- case MCE_CMD_S_TXMASK:
+ case MCE_RSP_EQIRTXPORTS:
dev_info(dev, "%s transmit blaster mask of 0x%02x\n",
inout, data1);
break;
- case MCE_CMD_S_TIMEOUT:
+ case MCE_RSP_EQIRTIMEOUT:
/* value is in units of 50us, so x*50/1000 ms */
+ period = ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000;
dev_info(dev, "%s receive timeout of %d ms\n",
- inout,
- ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000);
+ inout, period);
break;
- case MCE_CMD_G_TIMEOUT:
+ case MCE_CMD_GETIRTIMEOUT:
dev_info(dev, "Get receive timeout\n");
break;
- case MCE_CMD_G_TXMASK:
+ case MCE_CMD_GETIRTXPORTS:
dev_info(dev, "Get transmit blaster mask\n");
break;
- case MCE_CMD_S_RXSENSOR:
+ case MCE_RSP_EQIRRXPORTEN:
dev_info(dev, "%s %s-range receive sensor in use\n",
inout, data1 == 0x02 ? "short" : "long");
break;
- case MCE_CMD_G_RXSENSOR:
- /* aka MCE_RSP_PULSE_COUNT */
+ case MCE_CMD_GETIRRXPORTEN:
+ /* aka MCE_RSP_EQIRRXCFCNT */
if (out)
dev_info(dev, "Get receive sensor\n");
else if (ir->learning_enabled)
dev_info(dev, "RX pulse count: %d\n",
((data1 << 8) | data2));
break;
- case MCE_RSP_CMD_INVALID:
- dev_info(dev, "Error! Hardware is likely wedged...\n");
+ case MCE_RSP_EQIRNUMPORTS:
+ if (out)
+ break;
+ dev_info(dev, "Num TX ports: %x, num RX ports: %x\n",
+ data1, data2);
+ break;
+ case MCE_RSP_CMD_ILLEGAL:
+ dev_info(dev, "Illegal PORT_IR command\n");
break;
- case MCE_CMD_UNKNOWN2:
- case MCE_CMD_UNKNOWN3:
- case MCE_CMD_UNKNOWN5:
default:
dev_info(dev, "Unknown command 0x%02x 0x%02x\n",
cmd, subcmd);
@@ -599,8 +680,8 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
if (cmd == MCE_IRDATA_TRAILER)
dev_info(dev, "End of raw IR data\n");
- else if ((cmd != MCE_COMMAND_HEADER) &&
- ((cmd & MCE_COMMAND_MASK) == MCE_COMMAND_IRDATA))
+ else if ((cmd != MCE_CMD_PORT_IR) &&
+ ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA))
dev_info(dev, "Raw IR data, %d pulse/space samples\n", ir->rem);
}
@@ -616,9 +697,6 @@ static void mce_async_callback(struct urb *urb, struct pt_regs *regs)
if (ir) {
len = urb->actual_length;
- mce_dbg(ir->dev, "callback called (status=%d len=%d)\n",
- urb->status, len);
-
mceusb_dev_printdata(ir, urb->transfer_buffer, 0, len, true);
}
@@ -683,7 +761,16 @@ static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data,
static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size)
{
+ int rsize = sizeof(DEVICE_RESUME);
+
+ if (ir->need_reset) {
+ ir->need_reset = false;
+ mce_request_packet(ir, DEVICE_RESUME, rsize, MCEUSB_TX);
+ msleep(10);
+ }
+
mce_request_packet(ir, data, size, MCEUSB_TX);
+ msleep(10);
}
static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size)
@@ -708,8 +795,8 @@ static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
return -ENOMEM;
/* MCE tx init header */
- cmdbuf[cmdcount++] = MCE_COMMAND_HEADER;
- cmdbuf[cmdcount++] = MCE_CMD_S_TXMASK;
+ cmdbuf[cmdcount++] = MCE_CMD_PORT_IR;
+ cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS;
cmdbuf[cmdcount++] = ir->tx_mask;
/* Generate mce packet data */
@@ -795,8 +882,8 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
struct mceusb_dev *ir = dev->priv;
int clk = 10000000;
int prescaler = 0, divisor = 0;
- unsigned char cmdbuf[4] = { MCE_COMMAND_HEADER,
- MCE_CMD_S_CARRIER, 0x00, 0x00 };
+ unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR,
+ MCE_CMD_SETIRCFS, 0x00, 0x00 };
/* Carrier has changed */
if (ir->carrier != carrier) {
@@ -844,17 +931,34 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index)
u8 lo = ir->buf_in[index + 2] & 0xff;
switch (ir->buf_in[index]) {
+ /* the one and only 5-byte return value command */
+ case MCE_RSP_GETPORTSTATUS:
+ if ((ir->buf_in[index + 4] & 0xff) == 0x00)
+ ir->txports_cabled |= 1 << hi;
+ break;
+
/* 2-byte return value commands */
- case MCE_CMD_S_TIMEOUT:
+ case MCE_RSP_EQIRTIMEOUT:
ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT);
break;
+ case MCE_RSP_EQIRNUMPORTS:
+ ir->num_txports = hi;
+ ir->num_rxports = lo;
+ break;
/* 1-byte return value commands */
- case MCE_CMD_S_TXMASK:
+ case MCE_RSP_EQEMVER:
+ ir->emver = hi;
+ break;
+ case MCE_RSP_EQIRTXPORTS:
ir->tx_mask = hi;
break;
- case MCE_CMD_S_RXSENSOR:
- ir->learning_enabled = (hi == 0x02);
+ case MCE_RSP_EQIRRXPORTEN:
+ ir->learning_enabled = ((hi & 0x02) == 0x02);
+ ir->rxports_active = hi;
+ break;
+ case MCE_RSP_CMD_ILLEGAL:
+ ir->need_reset = true;
break;
default:
break;
@@ -903,8 +1007,8 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
/* decode mce packets of the form (84),AA,BB,CC,DD */
/* IR data packets can span USB messages - rem */
ir->cmd = ir->buf_in[i];
- if ((ir->cmd == MCE_COMMAND_HEADER) ||
- ((ir->cmd & MCE_COMMAND_MASK) !=
+ if ((ir->cmd == MCE_CMD_PORT_IR) ||
+ ((ir->cmd & MCE_PORT_MASK) !=
MCE_COMMAND_IRDATA)) {
ir->parser_state = SUBCMD;
continue;
@@ -969,6 +1073,13 @@ static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs)
usb_submit_urb(urb, GFP_ATOMIC);
}
+static void mceusb_get_emulator_version(struct mceusb_dev *ir)
+{
+ /* If we get no reply or an illegal command reply, its ver 1, says MS */
+ ir->emver = 1;
+ mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER));
+}
+
static void mceusb_gen1_init(struct mceusb_dev *ir)
{
int ret;
@@ -1011,8 +1122,8 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
0x0000, 0x0100, NULL, 0, HZ * 3);
mce_dbg(dev, "%s - retC = %d\n", __func__, ret);
- /* device reset */
- mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET));
+ /* device resume */
+ mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
/* get hw/sw revision? */
mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION));
@@ -1022,23 +1133,36 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
static void mceusb_gen2_init(struct mceusb_dev *ir)
{
- /* device reset */
- mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET));
+ /* device resume */
+ mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
/* get hw/sw revision? */
mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION));
- /* unknown what the next two actually return... */
- mce_async_out(ir, GET_UNKNOWN, sizeof(GET_UNKNOWN));
+ /* get wake version (protocol, key, address) */
+ mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION));
+
+ /* unknown what this one actually returns... */
mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2));
}
static void mceusb_get_parameters(struct mceusb_dev *ir)
{
+ int i;
+ unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS,
+ MCE_CMD_GETPORTSTATUS, 0x00 };
+
+ /* defaults, if the hardware doesn't support querying */
+ ir->num_txports = 2;
+ ir->num_rxports = 2;
+
+ /* get number of tx and rx ports */
+ mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS));
+
/* get the carrier and frequency */
mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ));
- if (!ir->flags.no_tx)
+ if (ir->num_txports && !ir->flags.no_tx)
/* get the transmitter bitmask */
mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));
@@ -1047,6 +1171,19 @@ static void mceusb_get_parameters(struct mceusb_dev *ir)
/* get receiver sensor setting */
mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR));
+
+ for (i = 0; i < ir->num_txports; i++) {
+ cmdbuf[2] = i;
+ mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+ }
+}
+
+static void mceusb_flash_led(struct mceusb_dev *ir)
+{
+ if (ir->emver < 2)
+ return;
+
+ mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED));
}
static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)
@@ -1220,6 +1357,9 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf,
mce_dbg(&intf->dev, "Flushing receive buffers\n");
mce_flush_rx_buffer(ir, maxp);
+ /* figure out which firmware/emulator version this hardware has */
+ mceusb_get_emulator_version(ir);
+
/* initialize device */
if (ir->flags.microsoft_gen1)
mceusb_gen1_init(ir);
@@ -1228,13 +1368,23 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf,
mceusb_get_parameters(ir);
+ mceusb_flash_led(ir);
+
if (!ir->flags.no_tx)
mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK);
usb_set_intfdata(intf, ir);
- dev_info(&intf->dev, "Registered %s on usb%d:%d\n", name,
- dev->bus->busnum, dev->devnum);
+ /* enable wake via this device */
+ device_set_wakeup_capable(ir->dev, true);
+ device_set_wakeup_enable(ir->dev, true);
+
+ dev_info(&intf->dev, "Registered %s with mce emulator interface "
+ "version %x\n", name, ir->emver);
+ dev_info(&intf->dev, "%x tx ports (0x%x cabled) and "
+ "%x rx sensors (0x%x active)\n",
+ ir->num_txports, ir->txports_cabled,
+ ir->num_rxports, ir->rxports_active);
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 17:22:30 +0300