static int packet_tx(serioStuff *s, void *p, size_t size, int timeout)
{
if(!flags.hanmode){
return serio_write(s, p, size, timeout);
}
else{
int res;
int xfrcount;
static u8 ctrlchars[3] = {SUBST,STX,ETX};
res = serio_write(s, ctrlchars + 1, 1, timeout);
for(xfrcount = 0; (res == 1) && (xfrcount < size); xfrcount++){
if(((u8 *)p)[xfrcount] <= SUBST){
res = serio_write(s, ctrlchars, 1, timeout); /* Write SUBST */
}
if(res == 1){
res = serio_write(s, ((u8 *) p) + xfrcount, 1, timeout);
}
}
if(res == 1){
res = serio_write(s, ctrlchars + 2, 1, timeout);
}
return (res < 0) ? res : xfrcount;
}
}
static int sunkbd_event(struct input_dev *dev,
unsigned int type, unsigned int code, int value)
{
struct sunkbd *sunkbd = input_get_drvdata(dev);
switch (type) {
case EV_LED:
serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
serio_write(sunkbd->serio,
(!!test_bit(LED_CAPSL, dev->led) << 3) |
(!!test_bit(LED_SCROLLL, dev->led) << 2) |
(!!test_bit(LED_COMPOSE, dev->led) << 1) |
!!test_bit(LED_NUML, dev->led));
return 0;
case EV_SND:
switch (code) {
case SND_CLICK:
serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value);
return 0;
case SND_BELL:
serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value);
return 0;
}
break;
}
return -1;
}
/*
* h3600_flite_power: enables or disables power to frontlight, using last bright */
unsigned int h3600_flite_power(struct input_dev *dev, enum flite_pwr pwr)
{
unsigned char brightness = (pwr == FLITE_PWR_OFF) ? 0 : flite_brightness;
struct h3600_dev *ts = input_get_drvdata(dev);
/* Must be in this order */
serio_write(ts->serio, 1);
serio_write(ts->serio, pwr);
serio_write(ts->serio, brightness);
return 0;
}
static int rain_send(struct rain *rain, const char *command)
{
int err = serio_write(rain->serio, '!');
dev_dbg(rain->dev, "send: %s\n", command);
while (!err && *command)
err = serio_write(rain->serio, *command++);
if (!err)
err = serio_write(rain->serio, '~');
return err;
}
/*
* lkkbd_event() handles events from the input module.
*/
static int lkkbd_event(struct input_dev *dev,
unsigned int type, unsigned int code, int value)
{
struct lkkbd *lk = input_get_drvdata(dev);
switch (type) {
case EV_LED:
lkkbd_toggle_leds(lk);
return 0;
case EV_SND:
switch (code) {
case SND_CLICK:
lkkbd_toggle_keyclick(lk, value);
return 0;
case SND_BELL:
if (value != 0)
serio_write(lk->serio, LK_CMD_SOUND_BELL);
return 0;
}
break;
default:
printk(KERN_ERR "%s(): Got unknown type %d, code %d, value %d\n",
__func__, type, code, value);
}
return -1;
}
static irqreturn_t taos_interrupt(struct serio *serio, unsigned char data,
unsigned int flags)
{
struct taos_data *taos = serio_get_drvdata(serio);
switch (taos->state) {
case TAOS_STATE_INIT:
taos->buffer[taos->pos++] = data;
if (data == ':'
|| taos->pos == TAOS_BUFFER_SIZE - 1) {
taos->buffer[taos->pos] = '\0';
taos->state = TAOS_STATE_IDLE;
wake_up_interruptible(&wq);
}
break;
case TAOS_STATE_SEND:
if (taos->buffer[++taos->pos])
serio_write(serio, taos->buffer[taos->pos]);
else {
taos->state = TAOS_STATE_IDLE;
wake_up_interruptible(&wq);
}
break;
case TAOS_STATE_RECV:
taos->buffer[taos->pos++] = data;
if (data == ']') {
taos->buffer[taos->pos] = '\0';
taos->state = TAOS_STATE_IDLE;
wake_up_interruptible(&wq);
}
break;
}
return IRQ_HANDLED;
}
ser_result_t ser_put(ser_t *ser, void *buf, size_t len)
{
ser_hdr_t hdr;
serio_res_t err;
if (!ser) {
DPRINT(("ser_put: null ser\n"));
return ser_RES_BUG;
}
if (!buf) {
DPRINT(("ser_put: null buf\n"));
return ser_RES_BAD;
}
if (len > 255)
return ser_RES_FULL;
hdr.frame0 = ser_HDR_FRAME0;
hdr.frame1 = ser_HDR_FRAME1;
hdr.bodylen = len;
hdr.hchksum = (ser_HDR_FRAME0 + ser_HDR_FRAME1 + len) & 0xff;
hdr.bodycrc = crc(buf, len);
err = serio_write(&ser->serio, &hdr, sizeof(hdr));
if (err != serio_RES_OK) {
DPRINT(("ser_put: serio_write header failed %d\n", err));
return CONVERT_ERR(err);
}
/* printbytes((void *)(&hdr), "ser_put:hdr:", sizeof(hdr)); */
err = serio_write(&ser->serio, buf, len);
if (err != serio_RES_OK) {
DPRINT(("ser_put: serio_write body failed %d\n", err));
return CONVERT_ERR(err);
}
/* printbytes(buf, "ser_put:buf:", len); */
DPRINT(("ser_put: bodycrc %4x, len %d, first 2 bytes %02x %02x, last 5 bytes %02x %02x %02x %02x %02x\n",
hdr.bodycrc,
hdr.bodylen,
((unsigned char *)buf)[0],
((unsigned char *)buf)[1],
((unsigned char *)buf)[len-5],
((unsigned char *)buf)[len-4],
((unsigned char *)buf)[len-3],
((unsigned char *)buf)[len-2],
((unsigned char *)buf)[len-1]));
return ser_RES_OK;
}
static int
vsxxxaa_connect (struct serio *serio, struct serio_driver *drv)
{
struct vsxxxaa *mouse;
struct input_dev *input_dev;
int err = -ENOMEM;
mouse = kzalloc (sizeof (struct vsxxxaa), GFP_KERNEL);
input_dev = input_allocate_device ();
if (!mouse || !input_dev)
goto fail1;
mouse->dev = input_dev;
mouse->serio = serio;
strlcat (mouse->name, "DEC VSXXX-AA/-GA mouse or VSXXX-AB digitizer",
sizeof (mouse->name));
snprintf (mouse->phys, sizeof (mouse->phys), "%s/input0", serio->phys);
input_dev->name = mouse->name;
input_dev->phys = mouse->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->dev.parent = &serio->dev;
set_bit (EV_KEY, input_dev->evbit); /* We have buttons */
set_bit (EV_REL, input_dev->evbit);
set_bit (EV_ABS, input_dev->evbit);
set_bit (BTN_LEFT, input_dev->keybit); /* We have 3 buttons */
set_bit (BTN_MIDDLE, input_dev->keybit);
set_bit (BTN_RIGHT, input_dev->keybit);
set_bit (BTN_TOUCH, input_dev->keybit); /* ...and Tablet */
set_bit (REL_X, input_dev->relbit);
set_bit (REL_Y, input_dev->relbit);
input_set_abs_params (input_dev, ABS_X, 0, 1023, 0, 0);
input_set_abs_params (input_dev, ABS_Y, 0, 1023, 0, 0);
serio_set_drvdata (serio, mouse);
err = serio_open (serio, drv);
if (err)
goto fail2;
/*
* Request selftest. Standard packet format and differential
* mode will be requested after the device ID'ed successfully.
*/
serio_write (serio, 'T'); /* Test */
err = input_register_device (input_dev);
if (err)
goto fail3;
return 0;
fail3: serio_close (serio);
fail2: serio_set_drvdata (serio, NULL);
fail1: input_free_device (input_dev);
kfree (mouse);
return err;
}
static void sunkbd_reinit(struct work_struct *work)
{
struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq);
wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
serio_write(sunkbd->serio,
(!!test_bit(LED_CAPSL, sunkbd->dev->led) << 3) |
(!!test_bit(LED_SCROLLL, sunkbd->dev->led) << 2) |
(!!test_bit(LED_COMPOSE, sunkbd->dev->led) << 1) |
!!test_bit(LED_NUML, sunkbd->dev->led));
serio_write(sunkbd->serio,
SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd));
serio_write(sunkbd->serio,
SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd));
}
void iforce_serial_xmit(struct iforce *iforce)
{
unsigned char cs;
int i;
unsigned long flags;
if (test_and_set_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)) {
set_bit(IFORCE_XMIT_AGAIN, iforce->xmit_flags);
return;
}
spin_lock_irqsave(&iforce->xmit_lock, flags);
again:
if (iforce->xmit.head == iforce->xmit.tail) {
clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
spin_unlock_irqrestore(&iforce->xmit_lock, flags);
return;
}
cs = 0x2b;
serio_write(iforce->serio, 0x2b);
serio_write(iforce->serio, iforce->xmit.buf[iforce->xmit.tail]);
cs ^= iforce->xmit.buf[iforce->xmit.tail];
XMIT_INC(iforce->xmit.tail, 1);
for (i=iforce->xmit.buf[iforce->xmit.tail]; i >= 0; --i) {
serio_write(iforce->serio, iforce->xmit.buf[iforce->xmit.tail]);
cs ^= iforce->xmit.buf[iforce->xmit.tail];
XMIT_INC(iforce->xmit.tail, 1);
}
serio_write(iforce->serio, cs);
if (test_and_clear_bit(IFORCE_XMIT_AGAIN, iforce->xmit_flags))
goto again;
clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
spin_unlock_irqrestore(&iforce->xmit_lock, flags);
}
static void lkkbd_toggle_leds(struct lkkbd *lk)
{
struct serio *serio = lk->serio;
unsigned char leds_on = 0;
unsigned char leds_off = 0;
CHECK_LED(lk, leds_on, leds_off, LED_CAPSL, LK_LED_SHIFTLOCK);
CHECK_LED(lk, leds_on, leds_off, LED_COMPOSE, LK_LED_COMPOSE);
CHECK_LED(lk, leds_on, leds_off, LED_SCROLLL, LK_LED_SCROLLLOCK);
CHECK_LED(lk, leds_on, leds_off, LED_SLEEP, LK_LED_WAIT);
if (leds_on != 0) {
serio_write(serio, LK_CMD_LED_ON);
serio_write(serio, leds_on);
}
if (leds_off != 0) {
serio_write(serio, LK_CMD_LED_OFF);
serio_write(serio, leds_off);
}
}
static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
unsigned int flags, struct pt_regs *regs)
{
struct atkbd *atkbd = serio->private;
unsigned int code = data;
int scroll = 0, click = -1;
int value;
#ifdef ATKBD_DEBUG
printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
#endif
#if !defined(__i386__) && !defined (__x86_64__)
if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
serio_write(serio, ATKBD_CMD_RESEND);
atkbd->resend = 1;
goto out;
}
if (!flags && data == ATKBD_RET_ACK)
atkbd->resend = 0;
#endif
if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
if (ps2_handle_ack(&atkbd->ps2dev, data))
goto out;
if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
if (ps2_handle_response(&atkbd->ps2dev, data))
goto out;
if (!atkbd->enabled)
goto out;
input_event(&atkbd->dev, EV_MSC, MSC_RAW, code);
if (atkbd->translated) {
if (atkbd->emul ||
!(code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1 ||
code == ATKBD_RET_HANGUEL || code == ATKBD_RET_HANJA ||
code == ATKBD_RET_ERR ||
(code == ATKBD_RET_BAT && !atkbd->bat_xl))) {
atkbd->release = code >> 7;
code &= 0x7f;
}
if (!atkbd->emul &&
(code & 0x7f) == (ATKBD_RET_BAT & 0x7f))
atkbd->bat_xl = !atkbd->release;
}
static int sunkbd_initialize(struct sunkbd *sunkbd)
{
sunkbd->reset = -2;
serio_write(sunkbd->serio, SUNKBD_CMD_RESET);
wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ);
if (sunkbd->reset < 0)
return -1;
sunkbd->type = sunkbd->reset;
if (sunkbd->type == 4) { /* Type 4 keyboard */
sunkbd->layout = -2;
serio_write(sunkbd->serio, SUNKBD_CMD_LAYOUT);
wait_event_interruptible_timeout(sunkbd->wait,
sunkbd->layout >= 0, HZ / 4);
if (sunkbd->layout < 0)
return -1;
if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK)
sunkbd->type = 5;
}
return 0;
}
static int elo_command_10(struct elo *elo, unsigned char *packet)
{
int rc = -1;
int i;
unsigned char csum = 0xaa + ELO10_LEAD_BYTE;
mutex_lock(&elo->cmd_mutex);
serio_pause_rx(elo->serio);
elo->expected_packet = toupper(packet[0]);
init_completion(&elo->cmd_done);
serio_continue_rx(elo->serio);
if (serio_write(elo->serio, ELO10_LEAD_BYTE))
goto out;
for (i = 0; i < ELO10_PACKET_LEN; i++) {
csum += packet[i];
if (serio_write(elo->serio, packet[i]))
goto out;
}
if (serio_write(elo->serio, csum))
goto out;
wait_for_completion_timeout(&elo->cmd_done, HZ);
if (elo->expected_packet == ELO10_TOUCH_PACKET) {
/* We are back in reporting mode, the command was ACKed */
memcpy(packet, elo->response, ELO10_PACKET_LEN);
rc = 0;
}
out:
mutex_unlock(&elo->cmd_mutex);
return rc;
}
static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
unsigned int flags)
{
struct atkbd *atkbd = serio_get_drvdata(serio);
struct input_dev *dev = atkbd->dev;
unsigned int code = data;
int scroll = 0, hscroll = 0, click = -1;
int value;
unsigned short keycode;
#ifdef ATKBD_DEBUG
printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
#endif
#if !defined(__i386__) && !defined (__x86_64__)
if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
serio_write(serio, ATKBD_CMD_RESEND);
atkbd->resend = 1;
goto out;
}
if (!flags && data == ATKBD_RET_ACK)
atkbd->resend = 0;
#endif
if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
if (ps2_handle_ack(&atkbd->ps2dev, data))
goto out;
if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
if (ps2_handle_response(&atkbd->ps2dev, data))
goto out;
if (!atkbd->enabled)
goto out;
input_event(dev, EV_MSC, MSC_RAW, code);
if (atkbd->translated) {
if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
atkbd->release = code >> 7;
code &= 0x7f;
}
if (!atkbd->emul)
atkbd_calculate_xl_bit(atkbd, data);
}
int ps2_sendbyte(struct ps2dev *ps2dev, unsigned char byte, int timeout)
{
serio_pause_rx(ps2dev->serio);
ps2dev->nak = 1;
ps2dev->flags |= PS2_FLAG_ACK;
serio_continue_rx(ps2dev->serio);
if (serio_write(ps2dev->serio, byte) == 0)
wait_event_timeout(ps2dev->wait,
!(ps2dev->flags & PS2_FLAG_ACK),
msecs_to_jiffies(timeout));
serio_pause_rx(ps2dev->serio);
ps2dev->flags &= ~PS2_FLAG_ACK;
serio_continue_rx(ps2dev->serio);
return -ps2dev->nak;
}
static void lkkbd_toggle_keyclick(struct lkkbd *lk, bool on)
{
struct serio *serio = lk->serio;
if (on) {
DBG("%s: Activating key clicks\n", __func__);
serio_write(serio, LK_CMD_ENABLE_KEYCLICK);
serio_write(serio, volume_to_hw(lk->keyclick_volume));
serio_write(serio, LK_CMD_ENABLE_CTRCLICK);
serio_write(serio, volume_to_hw(lk->ctrlclick_volume));
} else {
DBG("%s: Deactivating key clicks\n", __func__);
serio_write(serio, LK_CMD_DISABLE_KEYCLICK);
serio_write(serio, LK_CMD_DISABLE_CTRCLICK);
}
}
/*
* lkkbd_reinit() sets leds and beeps to a state the computer remembers they
* were in.
*/
static void lkkbd_reinit(struct work_struct *work)
{
struct lkkbd *lk = container_of(work, struct lkkbd, tq);
int division;
/* Ask for ID */
serio_write(lk->serio, LK_CMD_REQUEST_ID);
/* Reset parameters */
serio_write(lk->serio, LK_CMD_SET_DEFAULTS);
/* Set LEDs */
lkkbd_toggle_leds(lk);
/*
* Try to activate extended LK401 mode. This command will
* only work with a LK401 keyboard and grants access to
* LAlt, RAlt, RCompose and RShift.
*/
serio_write(lk->serio, LK_CMD_ENABLE_LK401);
/* Set all keys to UPDOWN mode */
for (division = 1; division <= 14; division++)
serio_write(lk->serio,
LK_CMD_SET_MODE(LK_MODE_UPDOWN, division));
/* Enable bell and set volume */
serio_write(lk->serio, LK_CMD_ENABLE_BELL);
serio_write(lk->serio, volume_to_hw(lk->bell_volume));
/* Enable/disable keyclick (and possibly set volume) */
lkkbd_toggle_keyclick(lk, test_bit(SND_CLICK, lk->dev->snd));
/* Sound the bell if needed */
if (test_bit(SND_BELL, lk->dev->snd))
serio_write(lk->serio, LK_CMD_SOUND_BELL);
}
static int taos_connect(struct serio *serio, struct serio_driver *drv)
{
struct taos_data *taos;
struct i2c_adapter *adapter;
char *name;
int err;
taos = kzalloc(sizeof(struct taos_data), GFP_KERNEL);
if (!taos) {
err = -ENOMEM;
goto exit;
}
taos->state = TAOS_STATE_INIT;
serio_set_drvdata(serio, taos);
err = serio_open(serio, drv);
if (err)
goto exit_kfree;
adapter = &taos->adapter;
adapter->owner = THIS_MODULE;
adapter->algo = &taos_algorithm;
adapter->algo_data = serio;
adapter->dev.parent = &serio->dev;
/* Reset the TAOS evaluation module to identify it */
serio_write(serio, TAOS_CMD_RESET);
wait_event_interruptible_timeout(wq, taos->state == TAOS_STATE_IDLE,
msecs_to_jiffies(2000));
if (taos->state != TAOS_STATE_IDLE) {
err = -ENODEV;
dev_dbg(&serio->dev, "TAOS EVM reset failed (state=%d, "
"pos=%d)\n", taos->state, taos->pos);
goto exit_close;
}
name = taos_adapter_name(taos->buffer);
if (!name) {
err = -ENODEV;
dev_err(&serio->dev, "TAOS EVM identification failed\n");
goto exit_close;
}
strlcpy(adapter->name, name, sizeof(adapter->name));
err = i2c_add_adapter(adapter);
if (err)
goto exit_close;
dev_dbg(&serio->dev, "Connected to TAOS EVM\n");
taos->client = taos_instantiate_device(adapter);
return 0;
exit_close:
serio_close(serio);
exit_kfree:
serio_set_drvdata(serio, NULL);
kfree(taos);
exit:
return err;
}
static void dock_keyboard_write(struct dock_keyboard_data *data,
unsigned char chr)
{
if (data->keyboard_enable && data->serio)
serio_write(data->serio, chr);
}
static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
{
struct hil_dev *dev;
struct input_dev *input_dev;
uint8_t did, *idd;
int error;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
input_dev = input_allocate_device();
if (!dev || !input_dev) {
error = -ENOMEM;
goto bail0;
}
dev->serio = serio;
dev->dev = input_dev;
error = serio_open(serio, drv);
if (error)
goto bail0;
serio_set_drvdata(serio, dev);
/* Get device info. MLC driver supplies devid/status/etc. */
init_completion(&dev->cmd_done);
serio_write(serio, 0);
serio_write(serio, 0);
serio_write(serio, HIL_PKT_CMD >> 8);
serio_write(serio, HIL_CMD_IDD);
error = wait_for_completion_killable(&dev->cmd_done);
if (error)
goto bail1;
init_completion(&dev->cmd_done);
serio_write(serio, 0);
serio_write(serio, 0);
serio_write(serio, HIL_PKT_CMD >> 8);
serio_write(serio, HIL_CMD_RSC);
error = wait_for_completion_killable(&dev->cmd_done);
if (error)
goto bail1;
init_completion(&dev->cmd_done);
serio_write(serio, 0);
serio_write(serio, 0);
serio_write(serio, HIL_PKT_CMD >> 8);
serio_write(serio, HIL_CMD_RNM);
error = wait_for_completion_killable(&dev->cmd_done);
if (error)
goto bail1;
init_completion(&dev->cmd_done);
serio_write(serio, 0);
serio_write(serio, 0);
serio_write(serio, HIL_PKT_CMD >> 8);
serio_write(serio, HIL_CMD_EXD);
error = wait_for_completion_killable(&dev->cmd_done);
if (error)
goto bail1;
did = dev->idd[0];
idd = dev->idd + 1;
switch (did & HIL_IDD_DID_TYPE_MASK) {
case HIL_IDD_DID_TYPE_KB_INTEGRAL:
case HIL_IDD_DID_TYPE_KB_ITF:
case HIL_IDD_DID_TYPE_KB_RSVD:
case HIL_IDD_DID_TYPE_CHAR:
if (HIL_IDD_NUM_BUTTONS(idd) ||
HIL_IDD_NUM_AXES_PER_SET(*idd)) {
printk(KERN_INFO PREFIX
"combo devices are not supported.\n");
goto bail1;
}
dev->is_pointer = false;
hil_dev_keyboard_setup(dev);
break;
case HIL_IDD_DID_TYPE_REL:
case HIL_IDD_DID_TYPE_ABS:
dev->is_pointer = true;
hil_dev_pointer_setup(dev);
break;
default:
goto bail1;
}
input_dev->id.bustype = BUS_HIL;
input_dev->id.vendor = PCI_VENDOR_ID_HP;
input_dev->id.product = 0x0001; /* TODO: get from kbd->rsc */
input_dev->id.version = 0x0100; /* TODO: get from kbd->rsc */
input_dev->dev.parent = &serio->dev;
if (!dev->is_pointer) {
serio_write(serio, 0);
serio_write(serio, 0);
serio_write(serio, HIL_PKT_CMD >> 8);
/* Enable Keyswitch Autorepeat 1 */
serio_write(serio, HIL_CMD_EK1);
/* No need to wait for completion */
}
static void vsxxxaa_handle_POR_packet(struct vsxxxaa *mouse)
{
struct input_dev *dev = mouse->dev;
unsigned char *buf = mouse->buf;
int left, middle, right;
unsigned char error;
/*
* Check for Power-On-Reset packets. These are sent out
* after plugging the mouse in, or when explicitly
* requested by sending 'T'.
*
* [0]: 1 0 1 0 R3 R2 R1 R0
* [1]: 0 M2 M1 M0 D3 D2 D1 D0
* [2]: 0 E6 E5 E4 E3 E2 E1 E0
* [3]: 0 0 0 0 0 Left Middle Right
*
* M: manufacturer location code
* R: revision code
* E: Error code. If it's in the range of 0x00..0x1f, only some
* minor problem occured. Errors >= 0x20 are considered bad
* and the device may not work properly...
* D: <0010> == mouse, <0100> == tablet
*/
mouse->version = buf[0] & 0x0f;
mouse->country = (buf[1] >> 4) & 0x07;
mouse->type = buf[1] & 0x0f;
error = buf[2] & 0x7f;
/*
* Get button state. It's the low three bits
* (for three buttons) of byte 0. Maybe even the bit <3>
* has some meaning if a tablet is attached.
*/
left = buf[0] & 0x04;
middle = buf[0] & 0x02;
right = buf[0] & 0x01;
vsxxxaa_drop_bytes(mouse, 4);
vsxxxaa_detection_done(mouse);
if (error <= 0x1f) {
/* No (serious) error. Report buttons */
input_report_key(dev, BTN_LEFT, left);
input_report_key(dev, BTN_MIDDLE, middle);
input_report_key(dev, BTN_RIGHT, right);
input_report_key(dev, BTN_TOUCH, 0);
input_sync(dev);
if (error != 0)
printk(KERN_INFO "Your %s on %s reports error=0x%02x\n",
mouse->name, mouse->phys, error);
}
/*
* If the mouse was hot-plugged, we need to force differential mode
* now... However, give it a second to recover from it's reset.
*/
printk(KERN_NOTICE
"%s on %s: Forcing standard packet format, "
"incremental streaming mode and 72 samples/sec\n",
mouse->name, mouse->phys);
serio_write(mouse->serio, 'S'); /* Standard format */
mdelay(50);
serio_write(mouse->serio, 'R'); /* Incremental */
mdelay(50);
serio_write(mouse->serio, 'L'); /* 72 samples/sec */
}
/*
* lkkbd_connect() probes for a LK keyboard and fills the necessary structures.
*/
static int lkkbd_connect(struct serio *serio, struct serio_driver *drv)
{
struct lkkbd *lk;
struct input_dev *input_dev;
int i;
int err;
lk = kzalloc(sizeof(struct lkkbd), GFP_KERNEL);
input_dev = input_allocate_device();
if (!lk || !input_dev) {
err = -ENOMEM;
goto fail1;
}
lk->serio = serio;
lk->dev = input_dev;
INIT_WORK(&lk->tq, lkkbd_reinit);
lk->bell_volume = bell_volume;
lk->keyclick_volume = keyclick_volume;
lk->ctrlclick_volume = ctrlclick_volume;
memcpy(lk->keycode, lkkbd_keycode, sizeof(lk->keycode));
strlcpy(lk->name, "DEC LK keyboard", sizeof(lk->name));
snprintf(lk->phys, sizeof(lk->phys), "%s/input0", serio->phys);
input_dev->name = lk->name;
input_dev->phys = lk->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_LKKBD;
input_dev->id.product = 0;
input_dev->id.version = 0x0100;
input_dev->dev.parent = &serio->dev;
input_dev->event = lkkbd_event;
input_set_drvdata(input_dev, lk);
__set_bit(EV_KEY, input_dev->evbit);
__set_bit(EV_LED, input_dev->evbit);
__set_bit(EV_SND, input_dev->evbit);
__set_bit(EV_REP, input_dev->evbit);
__set_bit(LED_CAPSL, input_dev->ledbit);
__set_bit(LED_SLEEP, input_dev->ledbit);
__set_bit(LED_COMPOSE, input_dev->ledbit);
__set_bit(LED_SCROLLL, input_dev->ledbit);
__set_bit(SND_BELL, input_dev->sndbit);
__set_bit(SND_CLICK, input_dev->sndbit);
input_dev->keycode = lk->keycode;
input_dev->keycodesize = sizeof(lk->keycode[0]);
input_dev->keycodemax = ARRAY_SIZE(lk->keycode);
for (i = 0; i < LK_NUM_KEYCODES; i++)
__set_bit(lk->keycode[i], input_dev->keybit);
__clear_bit(KEY_RESERVED, input_dev->keybit);
serio_set_drvdata(serio, lk);
err = serio_open(serio, drv);
if (err)
goto fail2;
err = input_register_device(lk->dev);
if (err)
goto fail3;
serio_write(lk->serio, LK_CMD_POWERCYCLE_RESET);
return 0;
fail3: serio_close(serio);
fail2: serio_set_drvdata(serio, NULL);
fail1: input_free_device(input_dev);
kfree(lk);
return err;
}
static void sec_keyboard_tx(struct sec_keyboard_drvdata *data, u8 cmd)
{
if (data->pre_connected && data->tx_ready)
serio_write(data->serio, cmd);
}
static int taos_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
unsigned short flags, char read_write, u8 command,
int size, union i2c_smbus_data *data)
{
struct serio *serio = adapter->algo_data;
struct taos_data *taos = serio_get_drvdata(serio);
char *p;
/* Encode our transaction. "@" is for the device address, "$" for the
SMBus command and "#" for the data. */
p = taos->buffer;
/* The device remembers the last used address, no need to send it
again if it's the same */
if (addr != taos->addr)
p += sprintf(p, "@%02X", addr);
switch (size) {
case I2C_SMBUS_BYTE:
if (read_write == I2C_SMBUS_WRITE)
sprintf(p, "$#%02X", command);
else
sprintf(p, "$");
break;
case I2C_SMBUS_BYTE_DATA:
if (read_write == I2C_SMBUS_WRITE)
sprintf(p, "$%02X#%02X", command, data->byte);
else
sprintf(p, "$%02X", command);
break;
default:
dev_warn(&adapter->dev, "Unsupported transaction %d\n", size);
return -EOPNOTSUPP;
}
/* Send the transaction to the TAOS EVM */
dev_dbg(&adapter->dev, "Command buffer: %s\n", taos->buffer);
taos->pos = 0;
taos->state = TAOS_STATE_SEND;
serio_write(serio, taos->buffer[0]);
wait_event_interruptible_timeout(wq, taos->state == TAOS_STATE_IDLE,
msecs_to_jiffies(250));
if (taos->state != TAOS_STATE_IDLE) {
dev_err(&adapter->dev, "Transaction failed "
"(state=%d, pos=%d)\n", taos->state, taos->pos);
taos->addr = 0;
return -EIO;
}
taos->addr = addr;
/* Start the transaction and read the answer */
taos->pos = 0;
taos->state = TAOS_STATE_RECV;
serio_write(serio, read_write == I2C_SMBUS_WRITE ? '>' : '<');
wait_event_interruptible_timeout(wq, taos->state == TAOS_STATE_IDLE,
msecs_to_jiffies(150));
if (taos->state != TAOS_STATE_IDLE
|| taos->pos != 6) {
dev_err(&adapter->dev, "Transaction timeout (pos=%d)\n",
taos->pos);
return -EIO;
}
dev_dbg(&adapter->dev, "Answer buffer: %s\n", taos->buffer);
/* Interpret the returned string */
p = taos->buffer + 2;
p[3] = '\0';
if (!strcmp(p, "NAK"))
return -ENODEV;
if (read_write == I2C_SMBUS_WRITE) {
if (!strcmp(p, "ACK"))
return 0;
} else {
if (p[0] == 'x') {
data->byte = simple_strtol(p + 1, NULL, 16);
return 0;
}
}
return -EIO;
}
