Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 354273
b: refs/heads/master
c: 93eff83
h: refs/heads/master
i:
  354271: e52b6ec
v: v3
  • Loading branch information
Marc Dietrich authored and Greg Kroah-Hartman committed Jan 30, 2013
1 parent 8dc8982 commit 4d35dca
Show file tree
Hide file tree
Showing 6 changed files with 90 additions and 41 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 85a90528b2b4f2d38a56df5b3f137223983aad4b
refs/heads/master: 93eff83ff1640bef8062568687b5e0e41a0d4c42
53 changes: 43 additions & 10 deletions trunk/drivers/staging/nvec/nvec.c
Original file line number Diff line number Diff line change
Expand Up @@ -74,9 +74,14 @@ enum nvec_msg_category {

enum nvec_sleep_subcmds {
GLOBAL_EVENTS,
AP_PWR_DOWN,
AP_SUSPEND,
};

static const unsigned char EC_GET_FIRMWARE_VERSION[2] = "\x07\x15";
#define CNF_EVENT_REPORTING 0x01
#define GET_FIRMWARE_VERSION 0x15
#define LID_SWITCH BIT(1)
#define PWR_BUTTON BIT(15)

static struct nvec_chip *nvec_power_handle;

Expand Down Expand Up @@ -333,6 +338,27 @@ static void nvec_toggle_global_events(struct nvec_chip *nvec, bool state)
nvec_write_async(nvec, global_events, 3);
}

/**
* nvec_event_mask - fill the command string with event bitfield
* ev: points to event command string
* mask: bit to insert into the event mask
*
* Configure event command expects a 32 bit bitfield which describes
* which events to enable. The bitfield has the following structure
* (from highest byte to lowest):
* system state bits 7-0
* system state bits 15-8
* oem system state bits 7-0
* oem system state bits 15-8
*/
static void nvec_event_mask(char *ev, u32 mask)
{
ev[3] = mask >> 16 && 0xff;
ev[4] = mask >> 24 && 0xff;
ev[5] = mask >> 0 && 0xff;
ev[6] = mask >> 8 && 0xff;
}

/**
* nvec_request_master - Process outgoing messages
* @work: A &struct work_struct (the tx_worker member of &struct nvec_chip)
Expand Down Expand Up @@ -727,8 +753,10 @@ static void nvec_disable_i2c_slave(struct nvec_chip *nvec)

static void nvec_power_off(void)
{
char ap_pwr_down[] = { NVEC_SLEEP, AP_PWR_DOWN };

nvec_toggle_global_events(nvec_power_handle, false);
nvec_write_async(nvec_power_handle, "\x04\x01", 2);
nvec_write_async(nvec_power_handle, ap_pwr_down, 2);
}

static int tegra_nvec_probe(struct platform_device *pdev)
Expand All @@ -740,6 +768,9 @@ static int tegra_nvec_probe(struct platform_device *pdev)
struct nvec_msg *msg;
struct resource *res;
void __iomem *base;
char get_firmware_version[] = { NVEC_CNTL, GET_FIRMWARE_VERSION },
unmute_speakers[] = { NVEC_OEM0, 0x10, 0x59, 0x95 },
enable_event[7] = { NVEC_SYS, CNF_EVENT_REPORTING, true };

nvec = devm_kzalloc(&pdev->dev, sizeof(struct nvec_chip), GFP_KERNEL);
if (nvec == NULL) {
Expand Down Expand Up @@ -840,8 +871,7 @@ static int tegra_nvec_probe(struct platform_device *pdev)
pm_power_off = nvec_power_off;

/* Get Firmware Version */
msg = nvec_write_sync(nvec, EC_GET_FIRMWARE_VERSION,
sizeof(EC_GET_FIRMWARE_VERSION));
msg = nvec_write_sync(nvec, get_firmware_version, 2);

if (msg) {
dev_warn(nvec->dev, "ec firmware version %02x.%02x.%02x / %02x\n",
Expand All @@ -856,13 +886,15 @@ static int tegra_nvec_probe(struct platform_device *pdev)
dev_err(nvec->dev, "error adding subdevices\n");

/* unmute speakers? */
nvec_write_async(nvec, "\x0d\x10\x59\x95", 4);
nvec_write_async(nvec, unmute_speakers, 4);

/* enable lid switch event */
nvec_write_async(nvec, "\x01\x01\x01\x00\x00\x02\x00", 7);
nvec_event_mask(enable_event, LID_SWITCH);
nvec_write_async(nvec, enable_event, 7);

/* enable power button event */
nvec_write_async(nvec, "\x01\x01\x01\x00\x00\x80\x00", 7);
nvec_event_mask(enable_event, PWR_BUTTON);
nvec_write_async(nvec, enable_event, 7);

return 0;
}
Expand All @@ -885,13 +917,14 @@ static int nvec_suspend(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct nvec_chip *nvec = platform_get_drvdata(pdev);
struct nvec_msg *msg;
char ap_suspend[] = { NVEC_SLEEP, AP_SUSPEND };

dev_dbg(nvec->dev, "suspending\n");

/* keep these sync or you'll break suspend */
msg = nvec_write_sync(nvec, EC_DISABLE_EVENT_REPORTING, 3);
nvec_msg_free(nvec, msg);
msg = nvec_write_sync(nvec, "\x04\x02", 2);
nvec_toggle_global_events(nvec, false);

msg = nvec_write_sync(nvec, ap_suspend, sizeof(ap_suspend));
nvec_msg_free(nvec, msg);

nvec_disable_i2c_slave(nvec);
Expand Down
1 change: 1 addition & 0 deletions trunk/drivers/staging/nvec/nvec.h
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ enum nvec_msg_type {
NVEC_KBD,
NVEC_PS2,
NVEC_CNTL,
NVEC_OEM0 = 0x0d,
NVEC_KB_EVT = 0x80,
NVEC_PS2_EVT,
};
Expand Down
42 changes: 25 additions & 17 deletions trunk/drivers/staging/nvec/nvec_kbd.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,14 @@
#include "nvec-keytable.h"
#include "nvec.h"

#define ACK_KBD_EVENT {'\x05', '\xed', '\x01'}
enum kbd_subcmds {
CNFG_WAKE = 3,
CNFG_WAKE_KEY_REPORTING,
SET_LEDS = 0xed,
ENABLE_KBD = 0xf4,
DISABLE_KBD,
};

static const char led_on[3] = "\x05\xed\x07";
static const char led_off[3] = "\x05\xed\x00";
static unsigned char keycodes[ARRAY_SIZE(code_tab_102us)
+ ARRAY_SIZE(extcode_tab_us102)];

Expand All @@ -39,12 +43,15 @@ static struct nvec_keys keys_dev;

static void nvec_kbd_toggle_led(void)
{
char buf[] = { NVEC_KBD, SET_LEDS, 0 };

keys_dev.caps_lock = !keys_dev.caps_lock;

if (keys_dev.caps_lock)
nvec_write_async(keys_dev.nvec, led_on, sizeof(led_on));
else
nvec_write_async(keys_dev.nvec, led_off, sizeof(led_off));
/* should be BIT(0) only, firmware bug? */
buf[2] = BIT(0) | BIT(1) | BIT(2);

nvec_write_async(keys_dev.nvec, buf, sizeof(buf));
}

static int nvec_keys_notifier(struct notifier_block *nb,
Expand Down Expand Up @@ -82,8 +89,8 @@ static int nvec_keys_notifier(struct notifier_block *nb,
static int nvec_kbd_event(struct input_dev *dev, unsigned int type,
unsigned int code, int value)
{
unsigned char buf[] = ACK_KBD_EVENT;
struct nvec_chip *nvec = keys_dev.nvec;
char buf[] = { NVEC_KBD, SET_LEDS, 0 };

if (type == EV_REP)
return 0;
Expand All @@ -105,6 +112,11 @@ static int nvec_kbd_probe(struct platform_device *pdev)
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
int i, j, err;
struct input_dev *idev;
char clear_leds[] = { NVEC_KBD, SET_LEDS, 0 },
enable_kbd[] = { NVEC_KBD, ENABLE_KBD },
cnfg_wake[] = { NVEC_KBD, CNFG_WAKE, true, true },
cnfg_wake_key_reporting[] = { NVEC_KBD, CNFG_WAKE_KEY_REPORTING,
true };

j = 0;

Expand Down Expand Up @@ -138,19 +150,15 @@ static int nvec_kbd_probe(struct platform_device *pdev)
nvec_register_notifier(nvec, &keys_dev.notifier, 0);

/* Enable keyboard */
nvec_write_async(nvec, "\x05\xf4", 2);
nvec_write_async(nvec, enable_kbd, 2);

/* keyboard reset? */
nvec_write_async(nvec, "\x05\x03\x01\x01", 4);
nvec_write_async(nvec, "\x05\x04\x01", 3);
nvec_write_async(nvec, "\x06\x01\xff\x03", 4);
/* FIXME
wait until keyboard reset is finished
or until we have a sync write */
mdelay(1000);
/* configures wake on special keys */
nvec_write_async(nvec, cnfg_wake, 4);
/* enable wake key reporting */
nvec_write_async(nvec, cnfg_wake_key_reporting, 3);

/* Disable caps lock LED */
nvec_write_async(nvec, led_off, sizeof(led_off));
nvec_write_async(nvec, clear_leds, sizeof(clear_leds));

return 0;

Expand Down
8 changes: 5 additions & 3 deletions trunk/drivers/staging/nvec/nvec_power.c
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@

#include "nvec.h"

#define GET_SYSTEM_STATUS 0x00

struct nvec_power {
struct notifier_block notifier;
struct delayed_work poller;
Expand Down Expand Up @@ -111,7 +113,7 @@ static const int bat_init[] = {
static void get_bat_mfg_data(struct nvec_power *power)
{
int i;
char buf[] = { '\x02', '\x00' };
char buf[] = { NVEC_BAT, SLOT_STATUS };

for (i = 0; i < ARRAY_SIZE(bat_init); i++) {
buf[1] = bat_init[i];
Expand Down Expand Up @@ -348,7 +350,7 @@ static int const bat_iter[] = {

static void nvec_power_poll(struct work_struct *work)
{
char buf[] = { '\x01', '\x00' };
char buf[] = { NVEC_SYS, GET_SYSTEM_STATUS };
struct nvec_power *power = container_of(work, struct nvec_power,
poller.work);

Expand All @@ -361,7 +363,7 @@ static void nvec_power_poll(struct work_struct *work)

/* select a battery request function via round robin
doing it all at once seems to overload the power supply */
buf[0] = '\x02'; /* battery */
buf[0] = NVEC_BAT;
buf[1] = bat_iter[counter++];
nvec_write_async(power->nvec, buf, 2);

Expand Down
25 changes: 15 additions & 10 deletions trunk/drivers/staging/nvec/nvec_ps2.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,12 +21,11 @@

#include "nvec.h"

#define START_STREAMING {'\x06', '\x03', '\x06'}
#define STOP_STREAMING {'\x06', '\x04'}
#define SEND_COMMAND {'\x06', '\x01', '\xf4', '\x01'}
#define PACKET_SIZE 6

#define ENABLE_MOUSE 0xf4
#define DISABLE_MOUSE 0xf5
#define ENABLE_MOUSE 0xf4
#define DISABLE_MOUSE 0xf5
#define PSMOUSE_RST 0xff

#ifdef NVEC_PS2_DEBUG
#define NVEC_PHD(str, buf, len) \
Expand All @@ -36,7 +35,12 @@
#define NVEC_PHD(str, buf, len)
#endif

static const unsigned char MOUSE_RESET[] = {'\x06', '\x01', '\xff', '\x03'};
enum ps2_subcmds {
SEND_COMMAND = 1,
RECEIVE_N,
AUTO_RECEIVE_N,
CANCEL_AUTO_RECEIVE,
};

struct nvec_ps2 {
struct serio *ser_dev;
Expand All @@ -48,19 +52,19 @@ static struct nvec_ps2 ps2_dev;

static int ps2_startstreaming(struct serio *ser_dev)
{
unsigned char buf[] = START_STREAMING;
unsigned char buf[] = { NVEC_PS2, AUTO_RECEIVE_N, PACKET_SIZE };
return nvec_write_async(ps2_dev.nvec, buf, sizeof(buf));
}

static void ps2_stopstreaming(struct serio *ser_dev)
{
unsigned char buf[] = STOP_STREAMING;
unsigned char buf[] = { NVEC_PS2, CANCEL_AUTO_RECEIVE };
nvec_write_async(ps2_dev.nvec, buf, sizeof(buf));
}

static int ps2_sendcommand(struct serio *ser_dev, unsigned char cmd)
{
unsigned char buf[] = SEND_COMMAND;
unsigned char buf[] = { NVEC_PS2, SEND_COMMAND, ENABLE_MOUSE, 1 };

buf[2] = cmd & 0xff;

Expand Down Expand Up @@ -100,6 +104,7 @@ static int nvec_mouse_probe(struct platform_device *pdev)
{
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
struct serio *ser_dev;
char mouse_reset[] = { NVEC_PS2, SEND_COMMAND, PSMOUSE_RST, 3 };

ser_dev = devm_kzalloc(&pdev->dev, sizeof(struct serio), GFP_KERNEL);
if (ser_dev == NULL)
Expand All @@ -121,7 +126,7 @@ static int nvec_mouse_probe(struct platform_device *pdev)
serio_register_port(ser_dev);

/* mouse reset */
nvec_write_async(nvec, MOUSE_RESET, 4);
nvec_write_async(nvec, mouse_reset, sizeof(mouse_reset));

return 0;
}
Expand Down

0 comments on commit 4d35dca

Please sign in to comment.