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提交 ffd51f46 编写于 作者: H Helge Deller 提交者： Dmitry Torokhov
浏览文件
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Input: HIL - cleanup coding style 

Signed-off-by: NHelge Deller <deller@gmx.de>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>
上级 3acaf540
展开全部 隐藏空白更改
内联 并排
Showing with 703 addition and 576 deletion
drivers/input/keyboard/hil_kbd.c
浏览文件 @ ffd51f46
......@@ -94,10 +94,12 @@ static void hil_kbd_process_record(struct hil_kbd *kbd)
idx = kbd->idx4/4;
p = data[idx - 1];
if ((p & ~HIL_CMDCT_POL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) goto report;
if ((p & ~HIL_CMDCT_RPL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) goto report;
if ((p & ~HIL_CMDCT_POL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
goto report;
if ((p & ~HIL_CMDCT_RPL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL))
goto report;
/* Not a poll response. See if we are loading config records. */
switch (p & HIL_PKT_DATA_MASK) {
......@@ -107,27 +109,32 @@ static void hil_kbd_process_record(struct hil_kbd *kbd)
for (; i < HIL_KBD_MAX_LENGTH; i++)
kbd->idd[i] = 0;
break;
case HIL_CMD_RSC:
for (i = 0; i < idx; i++)
kbd->rsc[i] = kbd->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_KBD_MAX_LENGTH; i++)
kbd->rsc[i] = 0;
break;
case HIL_CMD_EXD:
for (i = 0; i < idx; i++)
kbd->exd[i] = kbd->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_KBD_MAX_LENGTH; i++)
kbd->exd[i] = 0;
break;
case HIL_CMD_RNM:
for (i = 0; i < idx; i++)
kbd->rnm[i] = kbd->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_KBD_MAX_LENGTH + 1; i++)
kbd->rnm[i] = '\0';
break;
default:
/* These occur when device isn't present */
if (p == (HIL_ERR_INT | HIL_PKT_CMD)) break;
if (p == (HIL_ERR_INT | HIL_PKT_CMD))
break;
/* Anything else we'd like to know about. */
printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p);
break;
......@@ -139,16 +146,19 @@ static void hil_kbd_process_record(struct hil_kbd *kbd)
switch (kbd->data[0] & HIL_POL_CHARTYPE_MASK) {
case HIL_POL_CHARTYPE_NONE:
break;
case HIL_POL_CHARTYPE_ASCII:
while (cnt < idx - 1)
input_report_key(dev, kbd->data[cnt++] & 0x7f, 1);
break;
case HIL_POL_CHARTYPE_RSVD1:
case HIL_POL_CHARTYPE_RSVD2:
case HIL_POL_CHARTYPE_BINARY:
while (cnt < idx - 1)
input_report_key(dev, kbd->data[cnt++], 1);
break;
case HIL_POL_CHARTYPE_SET1:
while (cnt < idx - 1) {
unsigned int key;
......@@ -161,6 +171,7 @@ static void hil_kbd_process_record(struct hil_kbd *kbd)
input_report_key(dev, key, !up);
}
break;
case HIL_POL_CHARTYPE_SET2:
while (cnt < idx - 1) {
unsigned int key;
......@@ -173,6 +184,7 @@ static void hil_kbd_process_record(struct hil_kbd *kbd)
input_report_key(dev, key, !up);
}
break;
case HIL_POL_CHARTYPE_SET3:
while (cnt < idx - 1) {
unsigned int key;
......@@ -191,42 +203,43 @@ static void hil_kbd_process_record(struct hil_kbd *kbd)
up(&kbd->sem);
}
static void hil_kbd_process_err(struct hil_kbd *kbd) {
static void hil_kbd_process_err(struct hil_kbd *kbd)
{
printk(KERN_WARNING PREFIX "errored HIL packet\n");
kbd->idx4 = 0;
up(&kbd->sem);
}
static irqreturn_t hil_kbd_interrupt(struct serio *serio,
unsigned char data, unsigned int flags)
static irqreturn_t hil_kbd_interrupt(struct serio *serio,
unsigned char data, unsigned int flags)
{
struct hil_kbd *kbd;
hil_packet packet;
int idx;
kbd = serio_get_drvdata(serio);
if (kbd == NULL) {
BUG();
return IRQ_HANDLED;
}
BUG_ON(kbd == NULL);
if (kbd->idx4 >= (HIL_KBD_MAX_LENGTH * sizeof(hil_packet))) {
hil_kbd_process_err(kbd);
return IRQ_HANDLED;
}
idx = kbd->idx4/4;
if (!(kbd->idx4 % 4)) kbd->data[idx] = 0;
if (!(kbd->idx4 % 4))
kbd->data[idx] = 0;
packet = kbd->data[idx];
packet |= ((hil_packet)data) << ((3 - (kbd->idx4 % 4)) * 8);
kbd->data[idx] = packet;
/* Records of N 4-byte hil_packets must terminate with a command. */
if ((++(kbd->idx4)) % 4) return IRQ_HANDLED;
if ((++(kbd->idx4)) % 4)
return IRQ_HANDLED;
if ((packet & 0xffff0000) != HIL_ERR_INT) {
hil_kbd_process_err(kbd);
return IRQ_HANDLED;
}
if (packet & HIL_PKT_CMD) hil_kbd_process_record(kbd);
if (packet & HIL_PKT_CMD)
hil_kbd_process_record(kbd);
return IRQ_HANDLED;
}
......@@ -235,10 +248,7 @@ static void hil_kbd_disconnect(struct serio *serio)
struct hil_kbd *kbd;
kbd = serio_get_drvdata(serio);
if (kbd == NULL) {
BUG();
return;
}
BUG_ON(kbd == NULL);
serio_close(serio);
input_unregister_device(kbd->dev);
......@@ -267,34 +277,34 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
serio_set_drvdata(serio, kbd);
kbd->serio = serio;
init_MUTEX_LOCKED(&(kbd->sem));
init_MUTEX_LOCKED(&kbd->sem);
/* Get device info. MLC driver supplies devid/status/etc. */
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_IDD);
down(&(kbd->sem));
down(&kbd->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_RSC);
down(&(kbd->sem));
down(&kbd->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_RNM);
down(&(kbd->sem));
down(&kbd->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_EXD);
down(&(kbd->sem));
down(&kbd->sem);
up(&(kbd->sem));
up(&kbd->sem);
did = kbd->idd[0];
idd = kbd->idd + 1;
......@@ -310,12 +320,11 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
goto bail2;
}
if(HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
if (HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n");
goto bail2;
}
kbd->dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
kbd->dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
kbd->dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
......@@ -344,8 +353,8 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_EK1); /* Enable Keyswitch Autorepeat 1 */
down(&(kbd->sem));
up(&(kbd->sem));
down(&kbd->sem);
up(&kbd->sem);
return 0;
bail2:
......@@ -374,20 +383,20 @@ static struct serio_driver hil_kbd_serio_drv = {
},
.description = "HP HIL keyboard driver",
.id_table = hil_kbd_ids,
.connect = hil_kbd_connect,
.disconnect = hil_kbd_disconnect,
.interrupt = hil_kbd_interrupt
.connect = hil_kbd_connect,
.disconnect = hil_kbd_disconnect,
.interrupt = hil_kbd_interrupt
};
static int __init hil_kbd_init(void)
{
return serio_register_driver(&hil_kbd_serio_drv);
}
static void __exit hil_kbd_exit(void)
{
serio_unregister_driver(&hil_kbd_serio_drv);
}
module_init(hil_kbd_init);
module_exit(hil_kbd_exit);
drivers/input/mouse/hil_ptr.c
浏览文件 @ ffd51f46
......@@ -88,10 +88,12 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
idx = ptr->idx4/4;
p = data[idx - 1];
if ((p & ~HIL_CMDCT_POL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) goto report;
if ((p & ~HIL_CMDCT_RPL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) goto report;
if ((p & ~HIL_CMDCT_POL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
goto report;
if ((p & ~HIL_CMDCT_RPL) ==
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL))
goto report;
/* Not a poll response. See if we are loading config records. */
switch (p & HIL_PKT_DATA_MASK) {
......@@ -101,27 +103,32 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
for (; i < HIL_PTR_MAX_LENGTH; i++)
ptr->idd[i] = 0;
break;
case HIL_CMD_RSC:
for (i = 0; i < idx; i++)
ptr->rsc[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_PTR_MAX_LENGTH; i++)
ptr->rsc[i] = 0;
break;
case HIL_CMD_EXD:
for (i = 0; i < idx; i++)
ptr->exd[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_PTR_MAX_LENGTH; i++)
ptr->exd[i] = 0;
break;
case HIL_CMD_RNM:
for (i = 0; i < idx; i++)
ptr->rnm[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_PTR_MAX_LENGTH + 1; i++)
ptr->rnm[i] = '\0';
ptr->rnm[i] = 0;
break;
default:
/* These occur when device isn't present */
if (p == (HIL_ERR_INT | HIL_PKT_CMD)) break;
if (p == (HIL_ERR_INT | HIL_PKT_CMD))
break;
/* Anything else we'd like to know about. */
printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p);
break;
......@@ -130,7 +137,8 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
report:
if ((p & HIL_CMDCT_POL) != idx - 1) {
printk(KERN_WARNING PREFIX "Malformed poll packet %x (idx = %i)\n", p, idx);
printk(KERN_WARNING PREFIX
"Malformed poll packet %x (idx = %i)\n", p, idx);
goto out;
}
......@@ -139,7 +147,7 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
laxis += i;
ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */
absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
for (cnt = 1; i < laxis; i++) {
unsigned int lo,hi,val;
......@@ -157,7 +165,8 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
input_report_abs(dev, ABS_X + i, val);
} else {
val = (int) (((int8_t)lo) | ((int8_t)hi<<8));
if (i%3) val *= -1;
if (i%3)
val *= -1;
input_report_rel(dev, REL_X + i, val);
}
}
......@@ -168,10 +177,11 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
btn = ptr->data[cnt++];
up = btn & 1;
btn &= 0xfe;
if (btn == 0x8e) {
if (btn == 0x8e)
continue; /* TODO: proximity == touch? */
}
else if ((btn > 0x8c) || (btn < 0x80)) continue;
else
if ((btn > 0x8c) || (btn < 0x80))
continue;
btn = (btn - 0x80) >> 1;
btn = ptr->btnmap[btn];
input_report_key(dev, btn, !up);
......@@ -182,14 +192,14 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
up(&ptr->sem);
}
static void hil_ptr_process_err(struct hil_ptr *ptr) {
static void hil_ptr_process_err(struct hil_ptr *ptr)
{
printk(KERN_WARNING PREFIX "errored HIL packet\n");
ptr->idx4 = 0;
up(&ptr->sem);
return;
}
static irqreturn_t hil_ptr_interrupt(struct serio *serio,
static irqreturn_t hil_ptr_interrupt(struct serio *serio,
unsigned char data, unsigned int flags)
{
struct hil_ptr *ptr;
......@@ -197,29 +207,29 @@ static irqreturn_t hil_ptr_interrupt(struct serio *serio,
int idx;
ptr = serio_get_drvdata(serio);
if (ptr == NULL) {
BUG();
return IRQ_HANDLED;
}
BUG_ON(ptr == NULL);
if (ptr->idx4 >= (HIL_PTR_MAX_LENGTH * sizeof(hil_packet))) {
hil_ptr_process_err(ptr);
return IRQ_HANDLED;
}
idx = ptr->idx4/4;
if (!(ptr->idx4 % 4)) ptr->data[idx] = 0;
if (!(ptr->idx4 % 4))
ptr->data[idx] = 0;
packet = ptr->data[idx];
packet |= ((hil_packet)data) << ((3 - (ptr->idx4 % 4)) * 8);
ptr->data[idx] = packet;
/* Records of N 4-byte hil_packets must terminate with a command. */
if ((++(ptr->idx4)) % 4) return IRQ_HANDLED;
if ((++(ptr->idx4)) % 4)
return IRQ_HANDLED;
if ((packet & 0xffff0000) != HIL_ERR_INT) {
hil_ptr_process_err(ptr);
return IRQ_HANDLED;
}
if (packet & HIL_PKT_CMD)
if (packet & HIL_PKT_CMD)
hil_ptr_process_record(ptr);
return IRQ_HANDLED;
}
......@@ -228,10 +238,7 @@ static void hil_ptr_disconnect(struct serio *serio)
struct hil_ptr *ptr;
ptr = serio_get_drvdata(serio);
if (ptr == NULL) {
BUG();
return;
}
BUG_ON(ptr == NULL);
serio_close(serio);
input_unregister_device(ptr->dev);
......@@ -241,7 +248,7 @@ static void hil_ptr_disconnect(struct serio *serio)
static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
{
struct hil_ptr *ptr;
char *txt;
const char *txt;
unsigned int i, naxsets, btntype;
uint8_t did, *idd;
......@@ -260,34 +267,34 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
serio_set_drvdata(serio, ptr);
ptr->serio = serio;
init_MUTEX_LOCKED(&(ptr->sem));
init_MUTEX_LOCKED(&ptr->sem);
/* Get device info. MLC driver supplies devid/status/etc. */
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_IDD);
down(&(ptr->sem));
down(&ptr->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_RSC);
down(&(ptr->sem));
down(&ptr->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_RNM);
down(&(ptr->sem));
down(&ptr->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_EXD);
down(&(ptr->sem));
down(&ptr->sem);
up(&(ptr->sem));
up(&ptr->sem);
did = ptr->idd[0];
idd = ptr->idd + 1;
......@@ -301,12 +308,12 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
ptr->dev->evbit[0] = BIT(EV_ABS);
txt = "absolute";
}
if (!ptr->dev->evbit[0]) {
if (!ptr->dev->evbit[0])
goto bail2;
}
ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
if (ptr->nbtn) ptr->dev->evbit[0] |= BIT(EV_KEY);
if (ptr->nbtn)
ptr->dev->evbit[0] |= BIT(EV_KEY);
naxsets = HIL_IDD_NUM_AXSETS(*idd);
ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
......@@ -315,7 +322,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
did, txt);
printk(KERN_INFO PREFIX "HIL pointer has %i buttons and %i sets of %i axes\n",
ptr->nbtn, naxsets, ptr->naxes);
btntype = BTN_MISC;
if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET)
#ifdef TABLET_SIMULATES_MOUSE
......@@ -325,7 +332,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
#endif
if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN)
btntype = BTN_TOUCH;
if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE)
btntype = BTN_MOUSE;
......@@ -341,12 +348,10 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
}
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
for (i = 0; i < ptr->naxes; i++) {
for (i = 0; i < ptr->naxes; i++)
set_bit(REL_X + i, ptr->dev->relbit);
}
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++)
set_bit(REL_X + i, ptr->dev->relbit);
}
} else {
for (i = 0; i < ptr->naxes; i++) {
set_bit(ABS_X + i, ptr->dev->absbit);
......@@ -419,11 +424,11 @@ static int __init hil_ptr_init(void)
{
return serio_register_driver(&hil_ptr_serio_driver);
}
static void __exit hil_ptr_exit(void)
{
serio_unregister_driver(&hil_ptr_serio_driver);
}
module_init(hil_ptr_init);
module_exit(hil_ptr_exit);
drivers/input/serio/hil_mlc.c
浏览文件 @ ffd51f46
此差异已折叠。
drivers/input/serio/hp_sdc.c
浏览文件 @ ffd51f46
此差异已折叠。
drivers/input/serio/hp_sdc_mlc.c
浏览文件 @ ffd51f46
......@@ -58,12 +58,13 @@ struct hp_sdc_mlc_priv_s {
} hp_sdc_mlc_priv;
/************************* Interrupt context ******************************/
static void hp_sdc_mlc_isr (int irq, void *dev_id,
uint8_t status, uint8_t data) {
int idx;
static void hp_sdc_mlc_isr (int irq, void *dev_id,
uint8_t status, uint8_t data)
{
int idx;
hil_mlc *mlc = &hp_sdc_mlc;
write_lock(&(mlc->lock));
write_lock(&mlc->lock);
if (mlc->icount < 0) {
printk(KERN_WARNING PREFIX "HIL Overflow!\n");
up(&mlc->isem);
......@@ -73,239 +74,247 @@ static void hp_sdc_mlc_isr (int irq, void *dev_id,
if ((status & HP_SDC_STATUS_IRQMASK) == HP_SDC_STATUS_HILDATA) {
mlc->ipacket[idx] |= data | HIL_ERR_INT;
mlc->icount--;
if (hp_sdc_mlc_priv.got5x) goto check;
if (!idx) goto check;
if ((mlc->ipacket[idx-1] & HIL_PKT_ADDR_MASK) !=
if (hp_sdc_mlc_priv.got5x || !idx)
goto check;
if ((mlc->ipacket[idx - 1] & HIL_PKT_ADDR_MASK) !=
(mlc->ipacket[idx] & HIL_PKT_ADDR_MASK)) {
mlc->ipacket[idx] &= ~HIL_PKT_ADDR_MASK;
mlc->ipacket[idx] |= (mlc->ipacket[idx-1]
& HIL_PKT_ADDR_MASK);
mlc->ipacket[idx] |= (mlc->ipacket[idx - 1]
& HIL_PKT_ADDR_MASK);
}
goto check;
}
/* We know status is 5X */
if (data & HP_SDC_HIL_ISERR) goto err;
mlc->ipacket[idx] =
if (data & HP_SDC_HIL_ISERR)
goto err;
mlc->ipacket[idx] =
(data & HP_SDC_HIL_R1MASK) << HIL_PKT_ADDR_SHIFT;
hp_sdc_mlc_priv.got5x = 1;
goto out;
check:
hp_sdc_mlc_priv.got5x = 0;
if (mlc->imatch == 0) goto done;
if ((mlc->imatch == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
&& (mlc->ipacket[idx] == (mlc->imatch | idx))) goto done;
if (mlc->ipacket[idx] == mlc->imatch) goto done;
if (mlc->imatch == 0)
goto done;
if ((mlc->imatch == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
&& (mlc->ipacket[idx] == (mlc->imatch | idx)))
goto done;
if (mlc->ipacket[idx] == mlc->imatch)
goto done;
goto out;
err:
err:
printk(KERN_DEBUG PREFIX "err code %x\n", data);
switch (data) {
case HP_SDC_HIL_RC_DONE:
printk(KERN_WARNING PREFIX "Bastard SDC reconfigured loop!\n");
break;
case HP_SDC_HIL_ERR:
mlc->ipacket[idx] |= HIL_ERR_INT | HIL_ERR_PERR |
HIL_ERR_FERR | HIL_ERR_FOF;
mlc->ipacket[idx] |= HIL_ERR_INT | HIL_ERR_PERR |
HIL_ERR_FERR | HIL_ERR_FOF;
break;
case HP_SDC_HIL_TO:
mlc->ipacket[idx] |= HIL_ERR_INT | HIL_ERR_LERR;
break;
case HP_SDC_HIL_RC:
printk(KERN_WARNING PREFIX "Bastard SDC decided to reconfigure loop!\n");
break;
default:
printk(KERN_WARNING PREFIX "Unkown HIL Error status (%x)!\n", data);
break;
}
/* No more data will be coming due to an error. */
done:
tasklet_schedule(mlc->tasklet);
up(&(mlc->isem));
up(&mlc->isem);
out:
write_unlock(&(mlc->lock));
write_unlock(&mlc->lock);
}
/******************** Tasklet or userspace context functions ****************/
static int hp_sdc_mlc_in (hil_mlc *mlc, suseconds_t timeout) {
static int hp_sdc_mlc_in(hil_mlc *mlc, suseconds_t timeout)
{
unsigned long flags;
struct hp_sdc_mlc_priv_s *priv;
int rc = 2;
priv = mlc->priv;
write_lock_irqsave(&(mlc->lock), flags);
write_lock_irqsave(&mlc->lock, flags);
/* Try to down the semaphore */
if (down_trylock(&(mlc->isem))) {
if (down_trylock(&mlc->isem)) {
struct timeval tv;
if (priv->emtestmode) {
mlc->ipacket[0] =
HIL_ERR_INT | (mlc->opacket &
(HIL_PKT_CMD |
HIL_PKT_ADDR_MASK |
mlc->ipacket[0] =
HIL_ERR_INT | (mlc->opacket &
(HIL_PKT_CMD |
HIL_PKT_ADDR_MASK |
HIL_PKT_DATA_MASK));
mlc->icount = 14;
/* printk(KERN_DEBUG PREFIX ">[%x]\n", mlc->ipacket[0]); */
goto wasup;
}
do_gettimeofday(&tv);
tv.tv_usec += 1000000 * (tv.tv_sec - mlc->instart.tv_sec);
tv.tv_usec += USEC_PER_SEC * (tv.tv_sec - mlc->instart.tv_sec);
if (tv.tv_usec - mlc->instart.tv_usec > mlc->intimeout) {
/* printk("!%i %i",
tv.tv_usec - mlc->instart.tv_usec,
mlc->intimeout);
*/
/* printk("!%i %i",
tv.tv_usec - mlc->instart.tv_usec,
mlc->intimeout);
*/
rc = 1;
up(&(mlc->isem));
up(&mlc->isem);
}
goto done;
}
wasup:
up(&(mlc->isem));
up(&mlc->isem);
rc = 0;
goto done;
done:
write_unlock_irqrestore(&(mlc->lock), flags);
write_unlock_irqrestore(&mlc->lock, flags);
return rc;
}
static int hp_sdc_mlc_cts (hil_mlc *mlc) {
static int hp_sdc_mlc_cts(hil_mlc *mlc)
{
struct hp_sdc_mlc_priv_s *priv;
unsigned long flags;
priv = mlc->priv;
priv = mlc->priv;
write_lock_irqsave(&(mlc->lock), flags);
write_lock_irqsave(&mlc->lock, flags);
/* Try to down the semaphores -- they should be up. */
if (down_trylock(&(mlc->isem))) {
BUG();
goto busy;
}
if (down_trylock(&(mlc->osem))) {
BUG();
up(&(mlc->isem));
goto busy;
}
up(&(mlc->isem));
up(&(mlc->osem));
BUG_ON(down_trylock(&mlc->isem));
BUG_ON(down_trylock(&mlc->osem));
if (down_trylock(&(mlc->csem))) {
if (priv->trans.act.semaphore != &(mlc->csem)) goto poll;
goto busy;
up(&mlc->isem);
up(&mlc->osem);
if (down_trylock(&mlc->csem)) {
if (priv->trans.act.semaphore != &mlc->csem)
goto poll;
else
goto busy;
}
if (!(priv->tseq[4] & HP_SDC_USE_LOOP)) goto done;
if (!(priv->tseq[4] & HP_SDC_USE_LOOP))
goto done;
poll:
priv->trans.act.semaphore = &(mlc->csem);
priv->trans.act.semaphore = &mlc->csem;
priv->trans.actidx = 0;
priv->trans.idx = 1;
priv->trans.endidx = 5;
priv->tseq[0] =
priv->tseq[0] =
HP_SDC_ACT_POSTCMD | HP_SDC_ACT_DATAIN | HP_SDC_ACT_SEMAPHORE;
priv->tseq[1] = HP_SDC_CMD_READ_USE;
priv->tseq[2] = 1;
priv->tseq[3] = 0;
priv->tseq[4] = 0;
hp_sdc_enqueue_transaction(&(priv->trans));
hp_sdc_enqueue_transaction(&priv->trans);
busy:
write_unlock_irqrestore(&(mlc->lock), flags);
write_unlock_irqrestore(&mlc->lock, flags);
return 1;
done:
priv->trans.act.semaphore = &(mlc->osem);
up(&(mlc->csem));
write_unlock_irqrestore(&(mlc->lock), flags);
priv->trans.act.semaphore = &mlc->osem;
up(&mlc->csem);
write_unlock_irqrestore(&mlc->lock, flags);
return 0;
}
static void hp_sdc_mlc_out (hil_mlc *mlc) {
static void hp_sdc_mlc_out(hil_mlc *mlc)
{
struct hp_sdc_mlc_priv_s *priv;
unsigned long flags;
priv = mlc->priv;
write_lock_irqsave(&(mlc->lock), flags);
write_lock_irqsave(&mlc->lock, flags);
/* Try to down the semaphore -- it should be up. */
if (down_trylock(&(mlc->osem))) {
BUG();
goto done;
}
BUG_ON(down_trylock(&mlc->osem));
if (mlc->opacket & HIL_DO_ALTER_CTRL) goto do_control;
if (mlc->opacket & HIL_DO_ALTER_CTRL)
goto do_control;
do_data:
if (priv->emtestmode) {
up(&(mlc->osem));
up(&mlc->osem);
goto done;
}
/* Shouldn't be sending commands when loop may be busy */
if (down_trylock(&(mlc->csem))) {
BUG();
goto done;
}
up(&(mlc->csem));
BUG_ON(down_trylock(&mlc->csem));
up(&mlc->csem);
priv->trans.actidx = 0;
priv->trans.idx = 1;
priv->trans.act.semaphore = &(mlc->osem);
priv->trans.act.semaphore = &mlc->osem;
priv->trans.endidx = 6;
priv->tseq[0] =
priv->tseq[0] =
HP_SDC_ACT_DATAREG | HP_SDC_ACT_POSTCMD | HP_SDC_ACT_SEMAPHORE;
priv->tseq[1] = 0x7;
priv->tseq[2] =
(mlc->opacket &
priv->tseq[2] =
(mlc->opacket &
(HIL_PKT_ADDR_MASK | HIL_PKT_CMD))
>> HIL_PKT_ADDR_SHIFT;
priv->tseq[3] =
(mlc->opacket & HIL_PKT_DATA_MASK)
priv->tseq[3] =
(mlc->opacket & HIL_PKT_DATA_MASK)
>> HIL_PKT_DATA_SHIFT;
priv->tseq[4] = 0; /* No timeout */
if (priv->tseq[3] == HIL_CMD_DHR) priv->tseq[4] = 1;
if (priv->tseq[3] == HIL_CMD_DHR)
priv->tseq[4] = 1;
priv->tseq[5] = HP_SDC_CMD_DO_HIL;
goto enqueue;
do_control:
priv->emtestmode = mlc->opacket & HIL_CTRL_TEST;
/* we cannot emulate this, it should not be used. */
BUG_ON((mlc->opacket & (HIL_CTRL_APE | HIL_CTRL_IPF)) == HIL_CTRL_APE);
if ((mlc->opacket & HIL_CTRL_ONLY) == HIL_CTRL_ONLY) goto control_only;
if (mlc->opacket & HIL_CTRL_APE) {
BUG(); /* Should not send command/data after engaging APE */
goto done;
}
/* Disengaging APE this way would not be valid either since
if ((mlc->opacket & HIL_CTRL_ONLY) == HIL_CTRL_ONLY)
goto control_only;
/* Should not send command/data after engaging APE */
BUG_ON(mlc->opacket & HIL_CTRL_APE);
/* Disengaging APE this way would not be valid either since
* the loop must be allowed to idle.
*
* So, it works out that we really never actually send control
* and data when using SDC, we just send the data.
* So, it works out that we really never actually send control
* and data when using SDC, we just send the data.
*/
goto do_data;
control_only:
priv->trans.actidx = 0;
priv->trans.idx = 1;
priv->trans.act.semaphore = &(mlc->osem);
priv->trans.act.semaphore = &mlc->osem;
priv->trans.endidx = 4;
priv->tseq[0] =
priv->tseq[0] =
HP_SDC_ACT_PRECMD | HP_SDC_ACT_DATAOUT | HP_SDC_ACT_SEMAPHORE;
priv->tseq[1] = HP_SDC_CMD_SET_LPC;
priv->tseq[2] = 1;
// priv->tseq[3] = (mlc->ddc + 1) | HP_SDC_LPS_ACSUCC;
/* priv->tseq[3] = (mlc->ddc + 1) | HP_SDC_LPS_ACSUCC; */
priv->tseq[3] = 0;
if (mlc->opacket & HIL_CTRL_APE) {
priv->tseq[3] |= HP_SDC_LPC_APE_IPF;
down_trylock(&(mlc->csem));
}
down_trylock(&mlc->csem);
}
enqueue:
hp_sdc_enqueue_transaction(&(priv->trans));
hp_sdc_enqueue_transaction(&priv->trans);
done:
write_unlock_irqrestore(&(mlc->lock), flags);
write_unlock_irqrestore(&mlc->lock, flags);
}
static int __init hp_sdc_mlc_init(void)
......@@ -316,14 +325,13 @@ static int __init hp_sdc_mlc_init(void)
hp_sdc_mlc_priv.emtestmode = 0;
hp_sdc_mlc_priv.trans.seq = hp_sdc_mlc_priv.tseq;
hp_sdc_mlc_priv.trans.act.semaphore = &(mlc->osem);
hp_sdc_mlc_priv.trans.act.semaphore = &mlc->osem;
hp_sdc_mlc_priv.got5x = 0;
mlc->cts = &hp_sdc_mlc_cts;
mlc->in = &hp_sdc_mlc_in;
mlc->out = &hp_sdc_mlc_out;
mlc->priv = &hp_sdc_mlc_priv;
mlc->cts = &hp_sdc_mlc_cts;
mlc->in = &hp_sdc_mlc_in;
mlc->out = &hp_sdc_mlc_out;
mlc->priv = &hp_sdc_mlc_priv;
if (hil_mlc_register(mlc)) {
printk(KERN_WARNING PREFIX "Failed to register MLC structure with hil_mlc\n");
......@@ -336,10 +344,9 @@ static int __init hp_sdc_mlc_init(void)
}
return 0;
err1:
if (hil_mlc_unregister(mlc)) {
if (hil_mlc_unregister(mlc))
printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n"
"This is bad. Could cause an oops.\n");
}
err0:
return -EBUSY;
}
......@@ -347,14 +354,14 @@ static int __init hp_sdc_mlc_init(void)
static void __exit hp_sdc_mlc_exit(void)
{
hil_mlc *mlc = &hp_sdc_mlc;
if (hp_sdc_release_hil_irq(&hp_sdc_mlc_isr)) {
if (hp_sdc_release_hil_irq(&hp_sdc_mlc_isr))
printk(KERN_ERR PREFIX "Failed to release the raw HIL ISR hook.\n"
"This is bad. Could cause an oops.\n");
}
if (hil_mlc_unregister(mlc)) {
if (hil_mlc_unregister(mlc))
printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n"
"This is bad. Could cause an oops.\n");
}
}
module_init(hp_sdc_mlc_init);
......
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