@@ -44,6 +44,14 @@ config KEYBOARD_ADP5588
To compile this driver as a module, choose M here: the
module will be called adp5588-keys.
+config KEYBOARD_ADP5588_GPI_EVENT
+ tristate "ADP5588 GPI event on key event interrupt"
+ depends on KEYBOARD_ADP5588
+ help
+ Enable GPI events on key event interrupt, GPIs configured
+ as part of the key event table allow single key switches
+ and other GPI interrupts to be monitored.
+
config KEYBOARD_AMIGA
tristate "Amiga keyboard"
depends on AMIGA
b/drivers/input/keyboard/adp5588-keys.c
@@ -66,6 +66,10 @@ struct adp5588_kpad {
struct delayed_work work;
unsigned long delay;
unsigned short keycode[ADP5588_KEYMAPSIZE];
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ const struct adp5588_gpi_map *gpimap;
+ unsigned short gpimapsize;
+#endif
};
static int adp5588_read(struct i2c_client *client, u8 reg)
@@ -99,10 +103,33 @@ static void adp5588_work(struct work_struct *work)
ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & KEC;
if (ev_cnt) {
for (i = 0; i < ev_cnt; i++) {
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ int j, key_val, pin;
+#endif
key = adp5588_read(client, Key_EVENTA + i);
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ key_val = key & (~KEY_EV_PRESSED);
+
+ if ((key_val >= GPI_PIN_BASE) &&
+ (key_val <= GPI_PIN_END)) {
+ for (j = 0; j < kpad->gpimapsize; j++) {
+ pin = kpad->gpimap[j].pin;
+ if (key_val != pin)
+ continue;
+
+ input_report_switch(kpad->input,
+ kpad->gpimap[j].sw_evt,
+ key & KEY_EV_PRESSED);
+ break;
+ }
+ } else {
+#endif
input_report_key(kpad->input,
kpad->keycode[(key & KEY_EV_MASK) - 1],
key & KEY_EV_PRESSED);
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ }
+#endif
}
input_sync(kpad->input);
}
@@ -129,6 +156,9 @@ static int __devinit adp5588_setup(struct
i2c_client *client)
{
struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
int i, ret;
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
+#endif
ret = adp5588_write(client, KP_GPIO1, KP_SEL(pdata->rows));
ret |= adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF);
@@ -143,6 +173,23 @@ static int __devinit adp5588_setup(struct
i2c_client *client)
for (i = 0; i < KEYP_MAX_EVENT; i++)
ret |= adp5588_read(client, Key_EVENTA);
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ for (i = 0; i < pdata->gpimapsize; i++) {
+ unsigned short pin = pdata->gpimap[i].pin;
+
+ if (pin <= GPI_PIN_ROW_END) {
+ evt_mode1 |= (1 << (pin - GPI_PIN_ROW_BASE));
+ } else {
+ evt_mode2 |= ((1 << (pin - GPI_PIN_COL_BASE)) & 0xFF);
+ evt_mode3 |= ((1 << (pin - GPI_PIN_COL_BASE)) >> 8);
+ }
+ }
+
+ ret |= adp5588_write(client, GPI_EM1, evt_mode1);
+ ret |= adp5588_write(client, GPI_EM2, evt_mode2);
+ ret |= adp5588_write(client, GPI_EM3, evt_mode3);
+#endif
+
ret |= adp5588_write(client, INT_STAT, CMP2_INT | CMP1_INT |
OVR_FLOW_INT | K_LCK_INT |
GPI_INT | KE_INT); /* Status is W1C */
@@ -166,6 +213,9 @@ static int __devinit adp5588_probe(struct
i2c_client *client,
unsigned int revid;
int ret, i;
int error;
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ int gpi_stat1 = 0, gpi_stat2 = 0, gpi_stat3 = 0;
+#endif
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_BYTE_DATA)) {
@@ -188,6 +238,39 @@ static int __devinit adp5588_probe(struct
i2c_client *client,
return -EINVAL;
}
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ if (!pdata->gpimap) {
+ dev_err(&client->dev, "no gpimap from pdata\n");
+ return -EINVAL;
+ }
+
+ if (pdata->gpimapsize > ADP5588_GPIMAPSIZE_MAX) {
+ dev_err(&client->dev, "invalid gpimapsize\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < pdata->gpimapsize; i++) {
+ unsigned short pin = pdata->gpimap[i].pin;
+
+ if ((pin < GPI_PIN_BASE) || (pin > GPI_PIN_END)) {
+ dev_err(&client->dev, "invalid gpi pin data\n");
+ return -EINVAL;
+ }
+
+ if (pin <= GPI_PIN_ROW_END) {
+ if ((pin - GPI_PIN_ROW_BASE + 1) <= pdata->rows) {
+ dev_err(&client->dev, "invalid gpi row data\n");
+ return -EINVAL;
+ }
+ } else {
+ if ((pin - GPI_PIN_COL_BASE + 1) <= pdata->cols) {
+ dev_err(&client->dev, "invalid gpi col data\n");
+ return -EINVAL;
+ }
+ }
+ }
+#endif
+
if (!client->irq) {
dev_err(&client->dev, "no IRQ?\n");
return -EINVAL;
@@ -232,6 +315,11 @@ static int __devinit adp5588_probe(struct
i2c_client *client,
memcpy(kpad->keycode, pdata->keymap,
pdata->keymapsize * input->keycodesize);
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ kpad->gpimap = pdata->gpimap;
+ kpad->gpimapsize = pdata->gpimapsize;
+#endif
+
/* setup input device */
__set_bit(EV_KEY, input->evbit);
@@ -242,6 +330,12 @@ static int __devinit adp5588_probe(struct
i2c_client *client,
__set_bit(kpad->keycode[i] & KEY_MAX, input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ __set_bit(EV_SW, input->evbit);
+ for (i = 0; i < kpad->gpimapsize; i++)
+ __set_bit(kpad->gpimap[i].sw_evt, input->swbit);
+#endif
+
error = input_register_device(input);
if (error) {
dev_err(&client->dev, "unable to register input device\n");
@@ -263,6 +357,38 @@ static int __devinit adp5588_probe(struct
i2c_client *client,
device_init_wakeup(&client->dev, 1);
i2c_set_clientdata(client, kpad);
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ gpi_stat1 = adp5588_read(client, GPIO_DAT_STAT1);
+ gpi_stat2 = adp5588_read(client, GPIO_DAT_STAT2);
+ gpi_stat3 = adp5588_read(client, GPIO_DAT_STAT3);
+
+ for (i = 0; i < kpad->gpimapsize; i++) {
+ int gpi_stat_tmp, pin_loc;
+ unsigned short pin = kpad->gpimap[i].pin;
+
+ if (pin <= GPI_PIN_ROW_END) {
+ gpi_stat_tmp = gpi_stat1;
+ pin_loc = pin - GPI_PIN_ROW_BASE;
+ } else if ((pin - GPI_PIN_COL_BASE) < 8) {
+ gpi_stat_tmp = gpi_stat2;
+ pin_loc = pin - GPI_PIN_COL_BASE;
+ } else {
+ gpi_stat_tmp = gpi_stat3;
+ pin_loc = pin - GPI_PIN_COL_BASE - 8;
+ }
+
+ if (gpi_stat_tmp < 0) {
+ dev_err(&client->dev, "Can't read GPIO_DAT_STAT "
+ "switch %d default to OFF\n", pin);
+ gpi_stat_tmp = 0;
+ }
+
+ input_report_switch(input, kpad->gpimap[i].sw_evt,
+ !(gpi_stat_tmp & (1 << pin_loc)));
+ input_sync(input);
+ }
+#endif
+
dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
return 0;
@@ -78,6 +78,42 @@
#define ADP5588_KEYMAPSIZE 80
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+#define GPI_PIN_ROW0 97
+#define GPI_PIN_ROW1 98
+#define GPI_PIN_ROW2 99
+#define GPI_PIN_ROW3 100
+#define GPI_PIN_ROW4 101
+#define GPI_PIN_ROW5 102
+#define GPI_PIN_ROW6 103
+#define GPI_PIN_ROW7 104
+#define GPI_PIN_COL0 105
+#define GPI_PIN_COL1 106
+#define GPI_PIN_COL2 107
+#define GPI_PIN_COL3 108
+#define GPI_PIN_COL4 109
+#define GPI_PIN_COL5 110
+#define GPI_PIN_COL6 111
+#define GPI_PIN_COL7 112
+#define GPI_PIN_COL8 113
+#define GPI_PIN_COL9 114
+
+#define GPI_PIN_ROW_BASE GPI_PIN_ROW0
+#define GPI_PIN_ROW_END GPI_PIN_ROW7
+#define GPI_PIN_COL_BASE GPI_PIN_COL0
+#define GPI_PIN_COL_END GPI_PIN_COL9
+
+#define GPI_PIN_BASE GPI_PIN_ROW_BASE
+#define GPI_PIN_END GPI_PIN_COL_END
+
+#define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1)
+
+struct adp5588_gpi_map {
+ unsigned short pin;
+ unsigned short sw_evt;
+};
+#endif
+
struct adp5588_kpad_platform_data {
int rows; /* Number of rows */
int cols; /* Number of columns */
@@ -87,6 +123,10 @@ struct adp5588_kpad_platform_data {
unsigned en_keylock:1; /* Enable Key Lock feature */
unsigned short unlock_key1; /* Unlock Key 1 */
unsigned short unlock_key2; /* Unlock Key 2 */
+#ifdef CONFIG_KEYBOARD_ADP5588_GPI_EVENT
+ const struct adp5588_gpi_map *gpimap;
+ unsigned short gpimapsize;
+#endif
};
struct adp5588_gpio_platform_data {