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Input: matrix-keymap - uninline and prepare for device tree support 

Change matrix-keymap helper to be out-of-line, like sparse keymap,
allow the helper perform basic keymap validation and return errors,
and prepare for device tree support.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2012-05-10 22:37:08 -07:00
parent d0a3457d38
commit 1932811f42
22 changed files with 265 additions and 209 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/input/Kconfig
View File

@ -25,10 +25,6 @@ config INPUT
if INPUT
config INPUT_OF_MATRIX_KEYMAP
depends on USE_OF
bool
config INPUT_FF_MEMLESS
tristate "Support for memoryless force-feedback devices"
help
@ -68,6 +64,19 @@ config INPUT_SPARSEKMAP
To compile this driver as a module, choose M here: the
module will be called sparse-keymap.
config INPUT_MATRIXKMAP
tristate "Matrix keymap support library"
help
Say Y here if you are using a driver for an input
device that uses matrix keymap. This option is only
useful for out-of-tree drivers since in-tree drivers
select it automatically.
If unsure, say N.
To compile this driver as a module, choose M here: the
module will be called matrix-keymap.
comment "Userland interfaces"
config INPUT_MOUSEDEV

2
drivers/input/Makefile
View File

@ -10,6 +10,7 @@ input-core-y := input.o input-compat.o input-mt.o ff-core.o
obj-$(CONFIG_INPUT_FF_MEMLESS) += ff-memless.o
obj-$(CONFIG_INPUT_POLLDEV) += input-polldev.o
obj-$(CONFIG_INPUT_SPARSEKMAP) += sparse-keymap.o
obj-$(CONFIG_INPUT_MATRIXKMAP) += matrix-keymap.o
obj-$(CONFIG_INPUT_MOUSEDEV) += mousedev.o
obj-$(CONFIG_INPUT_JOYDEV) += joydev.o
@ -24,4 +25,3 @@ obj-$(CONFIG_INPUT_TOUCHSCREEN) += touchscreen/
obj-$(CONFIG_INPUT_MISC) += misc/
obj-$(CONFIG_INPUT_APMPOWER) += apm-power.o
obj-$(CONFIG_INPUT_OF_MATRIX_KEYMAP) += of_keymap.o

18
drivers/input/keyboard/Kconfig
View File

@ -166,6 +166,7 @@ config KEYBOARD_LKKBD
config KEYBOARD_EP93XX
tristate "EP93xx Matrix Keypad support"
depends on ARCH_EP93XX
select INPUT_MATRIXKMAP
help
Say Y here to enable the matrix keypad on the Cirrus EP93XX.
@ -224,6 +225,7 @@ config KEYBOARD_TCA6416
config KEYBOARD_TCA8418
tristate "TCA8418 Keypad Support"
depends on I2C
select INPUT_MATRIXKMAP
help
This driver implements basic keypad functionality
for keys connected through TCA8418 keypad decoder.
@ -240,6 +242,7 @@ config KEYBOARD_TCA8418
config KEYBOARD_MATRIX
tristate "GPIO driven matrix keypad support"
depends on GENERIC_GPIO
select INPUT_MATRIXKMAP
help
Enable support for GPIO driven matrix keypad.
@ -312,6 +315,7 @@ config KEYBOARD_LM8323
config KEYBOARD_LM8333
tristate "LM8333 keypad chip"
depends on I2C
select INPUT_MATRIXKMAP
help
If you say yes here you get support for the National Semiconductor
LM8333 keypad controller.
@ -376,6 +380,7 @@ config KEYBOARD_MPR121
config KEYBOARD_IMX
tristate "IMX keypad support"
depends on ARCH_MXC
select INPUT_MATRIXKMAP
help
Enable support for IMX keypad port.
@ -394,6 +399,7 @@ config KEYBOARD_NEWTON
config KEYBOARD_NOMADIK
tristate "ST-Ericsson Nomadik SKE keyboard"
depends on PLAT_NOMADIK
select INPUT_MATRIXKMAP
help
Say Y here if you want to use a keypad provided on the SKE controller
used on the Ux500 and Nomadik platforms
@ -404,7 +410,7 @@ config KEYBOARD_NOMADIK
config KEYBOARD_TEGRA
tristate "NVIDIA Tegra internal matrix keyboard controller support"
depends on ARCH_TEGRA
select INPUT_OF_MATRIX_KEYMAP if USE_OF
select INPUT_MATRIXKMAP
help
Say Y here if you want to use a matrix keyboard connected directly
to the internal keyboard controller on Tegra SoCs.
@ -442,6 +448,7 @@ config KEYBOARD_PXA930_ROTARY
config KEYBOARD_PMIC8XXX
tristate "Qualcomm PMIC8XXX keypad support"
depends on MFD_PM8XXX
select INPUT_MATRIXKMAP
help
Say Y here if you want to enable the driver for the PMIC8XXX
keypad provided as a reference design from Qualcomm. This is intended
@ -453,6 +460,7 @@ config KEYBOARD_PMIC8XXX
config KEYBOARD_SAMSUNG
tristate "Samsung keypad support"
depends on HAVE_CLK
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the keypad on your Samsung mobile
device.
@ -495,6 +503,7 @@ config KEYBOARD_SH_KEYSC
config KEYBOARD_STMPE
tristate "STMPE keypad support"
depends on MFD_STMPE
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the keypad controller on STMPE I/O
expanders.
@ -515,6 +524,7 @@ config KEYBOARD_DAVINCI
config KEYBOARD_OMAP
tristate "TI OMAP keypad support"
depends on (ARCH_OMAP1 || ARCH_OMAP2)
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the OMAP keypad.
@ -523,6 +533,7 @@ config KEYBOARD_OMAP
config KEYBOARD_OMAP4
tristate "TI OMAP4+ keypad support"
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the OMAP4+ keypad.
@ -532,6 +543,7 @@ config KEYBOARD_OMAP4
config KEYBOARD_SPEAR
tristate "ST SPEAR keyboard support"
depends on PLAT_SPEAR
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the SPEAR keyboard.
@ -541,6 +553,7 @@ config KEYBOARD_SPEAR
config KEYBOARD_TC3589X
tristate "TC3589X Keypad support"
depends on MFD_TC3589X
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the keypad controller on
TC35892/3 I/O expander.
@ -551,6 +564,7 @@ config KEYBOARD_TC3589X
config KEYBOARD_TNETV107X
tristate "TI TNETV107X keypad support"
depends on ARCH_DAVINCI_TNETV107X
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the TNETV107X keypad.
@ -560,6 +574,7 @@ config KEYBOARD_TNETV107X
config KEYBOARD_TWL4030
tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
depends on TWL4030_CORE
select INPUT_MATRIXKMAP
help
Say Y here if your board use the keypad controller on
TWL4030 family chips. It's safe to say enable this
@ -583,6 +598,7 @@ config KEYBOARD_XTKBD
config KEYBOARD_W90P910
tristate "W90P910 Matrix Keypad support"
depends on ARCH_W90X900
select INPUT_MATRIXKMAP
help
Say Y here to enable the matrix keypad on evaluation board
based on W90P910.

18
drivers/input/keyboard/ep93xx_keypad.c
View File

@ -303,19 +303,16 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
input_dev->open = ep93xx_keypad_open;
input_dev->close = ep93xx_keypad_close;
input_dev->dev.parent = &pdev->dev;
input_dev->keycode = keypad->keycodes;
input_dev->keycodesize = sizeof(keypad->keycodes[0]);
input_dev->keycodemax = ARRAY_SIZE(keypad->keycodes);
input_set_drvdata(input_dev, keypad);
err = matrix_keypad_build_keymap(keymap_data, NULL,
EP93XX_MATRIX_ROWS, EP93XX_MATRIX_COLS,
keypad->keycodes, input_dev);
if (err)
goto failed_free_dev;
input_dev->evbit[0] = BIT_MASK(EV_KEY);
if (keypad->pdata->flags & EP93XX_KEYPAD_AUTOREPEAT)
input_dev->evbit[0] |= BIT_MASK(EV_REP);
matrix_keypad_build_keymap(keymap_data, 3,
input_dev->keycode, input_dev->keybit);
platform_set_drvdata(pdev, keypad);
__set_bit(EV_REP, input_dev->evbit);
input_set_drvdata(input_dev, keypad);
err = request_irq(keypad->irq, ep93xx_keypad_irq_handler,
0, pdev->name, keypad);
@ -326,6 +323,7 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
if (err)
goto failed_free_irq;
platform_set_drvdata(pdev, keypad);
device_init_wakeup(&pdev->dev, 1);
return 0;

17
drivers/input/keyboard/imx_keypad.c
View File

@ -481,7 +481,7 @@ static int __devinit imx_keypad_probe(struct platform_device *pdev)
}
if (keypad->rows_en_mask > ((1 << MAX_MATRIX_KEY_ROWS) - 1) ||
keypad->cols_en_mask > ((1 << MAX_MATRIX_KEY_COLS) - 1)) {
keypad->cols_en_mask > ((1 << MAX_MATRIX_KEY_COLS) - 1)) {
dev_err(&pdev->dev,
"invalid key data (too many rows or colums)\n");
error = -EINVAL;
@ -496,14 +496,17 @@ static int __devinit imx_keypad_probe(struct platform_device *pdev)
input_dev->dev.parent = &pdev->dev;
input_dev->open = imx_keypad_open;
input_dev->close = imx_keypad_close;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
input_dev->keycode = keypad->keycodes;
input_dev->keycodesize = sizeof(keypad->keycodes[0]);
input_dev->keycodemax = ARRAY_SIZE(keypad->keycodes);
matrix_keypad_build_keymap(keymap_data, MATRIX_ROW_SHIFT,
keypad->keycodes, input_dev->keybit);
error = matrix_keypad_build_keymap(keymap_data, NULL,
MAX_MATRIX_KEY_ROWS,
MAX_MATRIX_KEY_COLS,
keypad->keycodes, input_dev);
if (error) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto failed_clock_put;
}
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_set_drvdata(input_dev, keypad);

15
drivers/input/keyboard/lm8333.c
View File

@ -29,9 +29,9 @@
#define LM8333_FIFO_TRANSFER_SIZE 16
#define LM8333_ROW_SHIFT 4
#define LM8333_NUM_ROWS 8
#define LM8333_NUM_COLS 16
#define LM8333_ROW_SHIFT 4
struct lm8333 {
struct i2c_client *client;
@ -159,14 +159,13 @@ static int __devinit lm8333_probe(struct i2c_client *client,
input->dev.parent = &client->dev;
input->id.bustype = BUS_I2C;
input->keycode = lm8333->keycodes;
input->keycodesize = sizeof(lm8333->keycodes[0]);
input->keycodemax = ARRAY_SIZE(lm8333->keycodes);
input->evbit[0] = BIT_MASK(EV_KEY);
input_set_capability(input, EV_MSC, MSC_SCAN);
matrix_keypad_build_keymap(pdata->matrix_data, LM8333_ROW_SHIFT,
input->keycode, input->keybit);
err = matrix_keypad_build_keymap(pdata->matrix_data, NULL,
LM8333_NUM_ROWS, LM8333_NUM_COLS,
lm8333->keycodes, input);
if (err)
goto free_mem;
if (pdata->debounce_time) {
err = lm8333_write8(lm8333, LM8333_DEBOUNCE,

17
drivers/input/keyboard/matrix_keypad.c
View File

@ -437,19 +437,18 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;
input_dev->dev.parent = &pdev->dev;
input_dev->evbit[0] = BIT_MASK(EV_KEY);
if (!pdata->no_autorepeat)
input_dev->evbit[0] |= BIT_MASK(EV_REP);
input_dev->open = matrix_keypad_start;
input_dev->close = matrix_keypad_stop;
input_dev->keycode = keypad->keycodes;
input_dev->keycodesize = sizeof(keypad->keycodes[0]);
input_dev->keycodemax = pdata->num_row_gpios << row_shift;
matrix_keypad_build_keymap(keymap_data, row_shift,
input_dev->keycode, input_dev->keybit);
err = matrix_keypad_build_keymap(keymap_data, NULL,
pdata->num_row_gpios,
pdata->num_col_gpios,
keypad->keycodes, input_dev);
if (err)
goto err_free_mem;
if (!pdata->no_autorepeat)
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_set_drvdata(input_dev, keypad);

20
drivers/input/keyboard/nomadik-ske-keypad.c
View File

@ -39,7 +39,8 @@
#define SKE_KPRISA (0x1 << 2)
#define SKE_KEYPAD_ROW_SHIFT 3
#define SKE_KPD_KEYMAP_SIZE (8 * 8)
#define SKE_KPD_NUM_ROWS 8
#define SKE_KPD_NUM_COLS 8
/* keypad auto scan registers */
#define SKE_ASR0 0x20
@ -63,7 +64,7 @@ struct ske_keypad {
void __iomem *reg_base;
struct input_dev *input;
const struct ske_keypad_platform_data *board;
unsigned short keymap[SKE_KPD_KEYMAP_SIZE];
unsigned short keymap[SKE_KPD_NUM_ROWS * SKE_KPD_NUM_COLS];
struct clk *clk;
spinlock_t ske_keypad_lock;
};
@ -261,19 +262,18 @@ static int __init ske_keypad_probe(struct platform_device *pdev)
input->name = "ux500-ske-keypad";
input->dev.parent = &pdev->dev;
input->keycode = keypad->keymap;
input->keycodesize = sizeof(keypad->keymap[0]);
input->keycodemax = ARRAY_SIZE(keypad->keymap);
error = matrix_keypad_build_keymap(plat->keymap_data, NULL,
SKE_KPD_NUM_ROWS, SKE_KPD_NUM_COLS,
keypad->keymap, input);
if (error) {
dev_err(&pdev->dev, "Failed to build keymap\n");
goto err_iounmap;
}
input_set_capability(input, EV_MSC, MSC_SCAN);
__set_bit(EV_KEY, input->evbit);
if (!plat->no_autorepeat)
__set_bit(EV_REP, input->evbit);
matrix_keypad_build_keymap(plat->keymap_data, SKE_KEYPAD_ROW_SHIFT,
input->keycode, input->keybit);
clk_enable(keypad->clk);
/* go through board initialization helpers */

20
drivers/input/keyboard/omap-keypad.c
View File

@ -61,6 +61,7 @@ struct omap_kp {
unsigned int cols;
unsigned long delay;
unsigned int debounce;
unsigned short keymap[];
};
static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0);
@ -316,13 +317,6 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
if (!cpu_is_omap24xx())
omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
input_dev->keycode = &omap_kp[1];
input_dev->keycodesize = sizeof(unsigned short);
input_dev->keycodemax = keycodemax;
if (pdata->rep)
__set_bit(EV_REP, input_dev->evbit);
if (pdata->delay)
omap_kp->delay = pdata->delay;
@ -371,9 +365,6 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
goto err2;
/* setup input device */
__set_bit(EV_KEY, input_dev->evbit);
matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
input_dev->keycode, input_dev->keybit);
input_dev->name = "omap-keypad";
input_dev->phys = "omap-keypad/input0";
input_dev->dev.parent = &pdev->dev;
@ -383,6 +374,15 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
input_dev->id.product = 0x0001;
input_dev->id.version = 0x0100;
if (pdata->rep)
__set_bit(EV_REP, input_dev->evbit);
ret = matrix_keypad_build_keymap(pdata->keymap_data, NULL,
pdata->rows, pdata->cols,
omap_kp->keymap, input_dev);
if (ret < 0)
goto err3;
ret = input_register_device(omap_kp->input);
if (ret < 0) {
printk(KERN_ERR "Unable to register omap-keypad input device\n");

15
drivers/input/keyboard/omap4-keypad.c
View File

@ -322,20 +322,19 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
input_dev->open = omap4_keypad_open;
input_dev->close = omap4_keypad_close;
input_dev->keycode = keypad_data->keymap;
input_dev->keycodesize = sizeof(keypad_data->keymap[0]);
input_dev->keycodemax = max_keys;
error = matrix_keypad_build_keymap(pdata->keymap_data, NULL,
pdata->rows, pdata->cols,
keypad_data->keymap, input_dev);
if (error) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto err_free_input;
}
__set_bit(EV_KEY, input_dev->evbit);
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_set_drvdata(input_dev, keypad_data);
matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
input_dev->keycode, input_dev->keybit);
error = request_irq(keypad_data->irq, omap4_keypad_interrupt,
IRQF_TRIGGER_RISING,
"omap4-keypad", keypad_data);

20
drivers/input/keyboard/pmic8xxx-keypad.c
View File

@ -626,21 +626,21 @@ static int __devinit pmic8xxx_kp_probe(struct platform_device *pdev)
kp->input->id.product = 0x0001;
kp->input->id.vendor = 0x0001;
kp->input->evbit[0] = BIT_MASK(EV_KEY);
if (pdata->rep)
__set_bit(EV_REP, kp->input->evbit);
kp->input->keycode = kp->keycodes;
kp->input->keycodemax = PM8XXX_MATRIX_MAX_SIZE;
kp->input->keycodesize = sizeof(kp->keycodes);
kp->input->open = pmic8xxx_kp_open;
kp->input->close = pmic8xxx_kp_close;
matrix_keypad_build_keymap(keymap_data, PM8XXX_ROW_SHIFT,
kp->input->keycode, kp->input->keybit);
rc = matrix_keypad_build_keymap(keymap_data, NULL,
PM8XXX_MAX_ROWS, PM8XXX_MAX_COLS,
kp->keycodes, kp->input);
if (rc) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto err_get_irq;
}
if (pdata->rep)
__set_bit(EV_REP, kp->input->evbit);
input_set_capability(kp->input, EV_MSC, MSC_SCAN);
input_set_drvdata(kp->input, kp);
/* initialize keypad state */

20
drivers/input/keyboard/samsung-keypad.c
View File

@ -454,23 +454,23 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;
input_dev->dev.parent = &pdev->dev;
input_set_drvdata(input_dev, keypad);
input_dev->open = samsung_keypad_open;
input_dev->close = samsung_keypad_close;
input_dev->evbit[0] = BIT_MASK(EV_KEY);
if (!pdata->no_autorepeat)
input_dev->evbit[0] |= BIT_MASK(EV_REP);
error = matrix_keypad_build_keymap(keymap_data, NULL,
pdata->rows, pdata->cols,
keypad->keycodes, input_dev);
if (error) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto err_put_clk;
}
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
if (!pdata->no_autorepeat)
__set_bit(EV_REP, input_dev->evbit);
input_dev->keycode = keypad->keycodes;
input_dev->keycodesize = sizeof(keypad->keycodes[0]);
input_dev->keycodemax = pdata->rows << row_shift;
matrix_keypad_build_keymap(keymap_data, row_shift,
input_dev->keycode, input_dev->keybit);
input_set_drvdata(input_dev, keypad);
keypad->irq = platform_get_irq(pdev, 0);
if (keypad->irq < 0) {

21
drivers/input/keyboard/spear-keyboard.c
View File

@ -49,7 +49,9 @@
#define KEY_VALUE 0x00FFFFFF
#define ROW_MASK 0xF0
#define COLUMN_MASK 0x0F
#define ROW_SHIFT 4
#define NUM_ROWS 16
#define NUM_COLS 16
#define KEY_MATRIX_SHIFT 6
struct spear_kbd {
@ -60,7 +62,7 @@ struct spear_kbd {
unsigned int irq;
unsigned int mode;
unsigned short last_key;
unsigned short keycodes[256];
unsigned short keycodes[NUM_ROWS * NUM_COLS];
};
static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
@ -212,18 +214,17 @@ static int __devinit spear_kbd_probe(struct platform_device *pdev)
input_dev->open = spear_kbd_open;
input_dev->close = spear_kbd_close;
__set_bit(EV_KEY, input_dev->evbit);
error = matrix_keypad_build_keymap(keymap, NULL, NUM_ROWS, NUM_COLS,
kbd->keycodes, input_dev);
if (error) {
dev_err(&pdev->dev, "Failed to build keymap\n");
goto err_put_clk;
}
if (pdata->rep)
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_dev->keycode = kbd->keycodes;
input_dev->keycodesize = sizeof(kbd->keycodes[0]);
input_dev->keycodemax = ARRAY_SIZE(kbd->keycodes);
matrix_keypad_build_keymap(keymap, ROW_SHIFT,
input_dev->keycode, input_dev->keybit);
input_set_drvdata(input_dev, kbd);
error = request_irq(irq, spear_kbd_interrupt, 0, "keyboard", kbd);

16
drivers/input/keyboard/stmpe-keypad.c
View File

@ -289,19 +289,17 @@ static int __devinit stmpe_keypad_probe(struct platform_device *pdev)
input->id.bustype = BUS_I2C;
input->dev.parent = &pdev->dev;
input_set_capability(input, EV_MSC, MSC_SCAN);
ret = matrix_keypad_build_keymap(plat->keymap_data, NULL,
STMPE_KEYPAD_MAX_ROWS,
STMPE_KEYPAD_MAX_COLS,
keypad->keymap, input);
if (ret)
goto out_freeinput;
__set_bit(EV_KEY, input->evbit);
input_set_capability(input, EV_MSC, MSC_SCAN);
if (!plat->no_autorepeat)
__set_bit(EV_REP, input->evbit);
input->keycode = keypad->keymap;
input->keycodesize = sizeof(keypad->keymap[0]);
input->keycodemax = ARRAY_SIZE(keypad->keymap);
matrix_keypad_build_keymap(plat->keymap_data, STMPE_KEYPAD_ROW_SHIFT,
input->keycode, input->keybit);
for (i = 0; i < plat->keymap_data->keymap_size; i++) {
unsigned int key = plat->keymap_data->keymap[i];

19
drivers/input/keyboard/tc3589x-keypad.c
View File

@ -78,7 +78,7 @@
* @input: pointer to input device object
* @board: keypad platform device
* @krow: number of rows
* @kcol: number of coloumns
* @kcol: number of columns
* @keymap: matrix scan code table for keycodes
* @keypad_stopped: holds keypad status
*/
@ -333,23 +333,22 @@ static int __devinit tc3589x_keypad_probe(struct platform_device *pdev)
input->name = pdev->name;
input->dev.parent = &pdev->dev;
input->keycode = keypad->keymap;
input->keycodesize = sizeof(keypad->keymap[0]);
input->keycodemax = ARRAY_SIZE(keypad->keymap);
input->open = tc3589x_keypad_open;
input->close = tc3589x_keypad_close;
input_set_drvdata(input, keypad);
error = matrix_keypad_build_keymap(plat->keymap_data, NULL,
TC3589x_MAX_KPROW, TC3589x_MAX_KPCOL,
keypad->keymap, input);
if (error) {
dev_err(&pdev->dev, "Failed to build keymap\n");
goto err_free_mem;
}
input_set_capability(input, EV_MSC, MSC_SCAN);
__set_bit(EV_KEY, input->evbit);
if (!plat->no_autorepeat)
__set_bit(EV_REP, input->evbit);
matrix_keypad_build_keymap(plat->keymap_data, 0x3,
input->keycode, input->keybit);
input_set_drvdata(input, keypad);
error = request_threaded_irq(irq, NULL,
tc3589x_keypad_irq, plat->irqtype,

15
drivers/input/keyboard/tca8418_keypad.c
View File

@ -342,21 +342,20 @@ static int __devinit tca8418_keypad_probe(struct i2c_client *client,
input->id.product = 0x001;
input->id.version = 0x0001;
input->keycode = keypad_data->keymap;
input->keycodesize = sizeof(keypad_data->keymap[0]);
input->keycodemax = max_keys;
error = matrix_keypad_build_keymap(pdata->keymap_data, NULL,
pdata->rows, pdata->cols,
keypad_data->keymap, input);
if (error) {
dev_dbg(&client->dev, "Failed to build keymap\n");
goto fail2;
}
__set_bit(EV_KEY, input->evbit);
if (pdata->rep)
__set_bit(EV_REP, input->evbit);
input_set_capability(input, EV_MSC, MSC_SCAN);
input_set_drvdata(input, keypad_data);
matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
input->keycode, input->keybit);
if (pdata->irq_is_gpio)
client->irq = gpio_to_irq(client->irq);

34
drivers/input/keyboard/tegra-kbc.c
View File

@ -686,6 +686,7 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
int num_rows = 0;
unsigned int debounce_cnt;
unsigned int scan_time_rows;
unsigned int keymap_rows;
if (!pdata)
pdata = tegra_kbc_dt_parse_pdata(pdev);
@ -757,29 +758,34 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt;
kbc->repoll_dly = DIV_ROUND_UP(kbc->repoll_dly, KBC_CYCLE_MS);
kbc->wakeup_key = pdata->wakeup_key;
kbc->use_fn_map = pdata->use_fn_map;
kbc->use_ghost_filter = pdata->use_ghost_filter;
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;
input_dev->dev.parent = &pdev->dev;
input_dev->open = tegra_kbc_open;
input_dev->close = tegra_kbc_close;
input_set_drvdata(input_dev, kbc);
keymap_rows = KBC_MAX_KEY;
if (pdata->use_fn_map)
keymap_rows *= 2;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
err = matrix_keypad_build_keymap(keymap_data, NULL,
keymap_rows, KBC_MAX_COL,
kbc->keycode, input_dev);
if (err) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto err_put_clk;
}
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_dev->keycode = kbc->keycode;
input_dev->keycodesize = sizeof(kbc->keycode[0]);
input_dev->keycodemax = KBC_MAX_KEY;
if (pdata->use_fn_map)
input_dev->keycodemax *= 2;
kbc->use_fn_map = pdata->use_fn_map;
kbc->use_ghost_filter = pdata->use_ghost_filter;
keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT,
input_dev->keycode, input_dev->keybit);
kbc->wakeup_key = pdata->wakeup_key;
input_set_drvdata(input_dev, kbc);
err = request_irq(kbc->irq, tegra_kbc_isr,
IRQF_NO_SUSPEND | IRQF_TRIGGER_HIGH, pdev->name, kbc);

21
drivers/input/keyboard/tnetv107x-keypad.c
View File

@ -247,15 +247,11 @@ static int __devinit keypad_probe(struct platform_device *pdev)
error = -ENOMEM;
goto error_input;
}
input_set_drvdata(kp->input_dev, kp);
kp->input_dev->name = pdev->name;
kp->input_dev->dev.parent = &pdev->dev;
kp->input_dev->open = keypad_start;
kp->input_dev->close = keypad_stop;
kp->input_dev->evbit[0] = BIT_MASK(EV_KEY);
if (!pdata->no_autorepeat)
kp->input_dev->evbit[0] |= BIT_MASK(EV_REP);
clk_enable(kp->clk);
rev = keypad_read(kp, rev);
@ -264,15 +260,20 @@ static int __devinit keypad_probe(struct platform_device *pdev)
kp->input_dev->id.version = ((rev >> 16) & 0xfff);
clk_disable(kp->clk);
kp->input_dev->keycode = kp->keycodes;
kp->input_dev->keycodesize = sizeof(kp->keycodes[0]);
kp->input_dev->keycodemax = kp->rows << kp->row_shift;
matrix_keypad_build_keymap(keymap_data, kp->row_shift, kp->keycodes,
kp->input_dev->keybit);
error = matrix_keypad_build_keymap(keymap_data, NULL,
kp->rows, kp->cols,
kp->keycodes, kp->input_dev);
if (error) {
dev_err(dev, "Failed to build keymap\n");
goto error_reg;
}
if (!pdata->no_autorepeat)
kp->input_dev->evbit[0] |= BIT_MASK(EV_REP);
input_set_capability(kp->input_dev, EV_MSC, MSC_SCAN);
input_set_drvdata(kp->input_dev, kp);
error = input_register_device(kp->input_dev);
if (error < 0) {
dev_err(dev, "Could not register input device\n");

25
drivers/input/keyboard/twl4030_keypad.c
View File

@ -361,14 +361,6 @@ static int __devinit twl4030_kp_probe(struct platform_device *pdev)
kp->irq = platform_get_irq(pdev, 0);
/* setup input device */
__set_bit(EV_KEY, input->evbit);
/* Enable auto repeat feature of Linux input subsystem */
if (pdata->rep)
__set_bit(EV_REP, input->evbit);
input_set_capability(input, EV_MSC, MSC_SCAN);
input->name = "TWL4030 Keypad";
input->phys = "twl4030_keypad/input0";
input->dev.parent = &pdev->dev;
@ -378,12 +370,19 @@ static int __devinit twl4030_kp_probe(struct platform_device *pdev)
input->id.product = 0x0001;
input->id.version = 0x0003;
input->keycode = kp->keymap;
input->keycodesize = sizeof(kp->keymap[0]);
input->keycodemax = ARRAY_SIZE(kp->keymap);
error = matrix_keypad_build_keymap(keymap_data, NULL,
TWL4030_MAX_ROWS,
1 << TWL4030_ROW_SHIFT,
kp->keymap, input);
if (error) {
dev_err(kp->dbg_dev, "Failed to build keymap\n");
goto err1;
}
matrix_keypad_build_keymap(keymap_data, TWL4030_ROW_SHIFT,
input->keycode, input->keybit);
input_set_capability(input, EV_MSC, MSC_SCAN);
/* Enable auto repeat feature of Linux input subsystem */
if (pdata->rep)
__set_bit(EV_REP, input->evbit);
error = input_register_device(input);
if (error) {

27
drivers/input/keyboard/w90p910_keypad.c
View File

@ -42,7 +42,8 @@
#define KGET_RAW(n) (((n) & KEY0R) >> 3)
#define KGET_COLUMN(n) ((n) & KEY0C)
#define W90P910_MAX_KEY_NUM (8 * 8)
#define W90P910_NUM_ROWS 8
#define W90P910_NUM_COLS 8
#define W90P910_ROW_SHIFT 3
struct w90p910_keypad {
@ -51,7 +52,7 @@ struct w90p910_keypad {
struct input_dev *input_dev;
void __iomem *mmio_base;
int irq;
unsigned short keymap[W90P910_MAX_KEY_NUM];
unsigned short keymap[W90P910_NUM_ROWS * W90P910_NUM_COLS];
};
static void w90p910_keypad_scan_matrix(struct w90p910_keypad *keypad,
@ -190,17 +191,13 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev)
input_dev->close = w90p910_keypad_close;
input_dev->dev.parent = &pdev->dev;
input_dev->keycode = keypad->keymap;
input_dev->keycodesize = sizeof(keypad->keymap[0]);
input_dev->keycodemax = ARRAY_SIZE(keypad->keymap);
input_set_drvdata(input_dev, keypad);
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
matrix_keypad_build_keymap(keymap_data, W90P910_ROW_SHIFT,
input_dev->keycode, input_dev->keybit);
error = matrix_keypad_build_keymap(keymap_data, NULL,
W90P910_NUM_ROWS, W90P910_NUM_COLS,
keypad->keymap, input_dev);
if (error) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto failed_put_clk;
}
error = request_irq(keypad->irq, w90p910_keypad_irq_handler,
0, pdev->name, keypad);
@ -209,6 +206,10 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev)
goto failed_put_clk;
}
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_set_drvdata(input_dev, keypad);
/* Register the input device */
error = input_register_device(input_dev);
if (error) {

59
drivers/input/of_keymap.c → drivers/input/matrix-keymap.c
View File

@ -1,5 +1,5 @@
/*
* Helpers for open firmware matrix keyboard bindings
* Helpers for matrix keyboard bindings
*
* Copyright (C) 2012 Google, Inc
*
@ -21,11 +21,65 @@
#include <linux/types.h>
#include <linux/input.h>
#include <linux/of.h>
#include <linux/input/matrix_keypad.h>
#include <linux/export.h>
#include <linux/gfp.h>
#include <linux/slab.h>
#include <linux/input/matrix_keypad.h>
/**
* matrix_keypad_build_keymap - convert platform keymap into matrix keymap
* @keymap_data: keymap supplied by the platform code
* @keymap_name: name of device tree property containing keymap (if device
* tree support is enabled).
* @rows: number of rows in target keymap array
* @cols: number of cols in target keymap array
* @keymap: expanded version of keymap that is suitable for use by
* matrix keyboard driver
* @input_dev: input devices for which we are setting up the keymap
*
* This function converts platform keymap (encoded with KEY() macro) into
* an array of keycodes that is suitable for using in a standard matrix
* keyboard driver that uses row and col as indices.
*/
int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
const char *keymap_name,
unsigned int rows, unsigned int cols,
unsigned short *keymap,
struct input_dev *input_dev)
{
unsigned int row_shift = get_count_order(cols);
int i;
input_dev->keycode = keymap;
input_dev->keycodesize = sizeof(*keymap);
input_dev->keycodemax = rows << row_shift;
__set_bit(EV_KEY, input_dev->evbit);
for (i = 0; i < keymap_data->keymap_size; i++) {
unsigned int key = keymap_data->keymap[i];
unsigned int row = KEY_ROW(key);
unsigned int col = KEY_COL(key);
unsigned short code = KEY_VAL(key);
if (row >= rows || col >= cols) {
dev_err(input_dev->dev.parent,
"%s: invalid keymap entry %d (row: %d, col: %d, rows: %d, cols: %d)\n",
__func__, i, row, col, rows, cols);
return -EINVAL;
}
keymap[MATRIX_SCAN_CODE(row, col, row_shift)] = code;
__set_bit(code, input_dev->keybit);
}
__clear_bit(KEY_RESERVED, input_dev->keybit);
return 0;
}
EXPORT_SYMBOL(matrix_keypad_build_keymap);
#ifdef CONFIG_OF
struct matrix_keymap_data *
matrix_keyboard_of_fill_keymap(struct device_node *np,
const char *propname)
@ -85,3 +139,4 @@ void matrix_keyboard_of_free_keymap(const struct matrix_keymap_data *kd)
}
}
EXPORT_SYMBOL_GPL(matrix_keyboard_of_free_keymap);
#endif

38
include/linux/input/matrix_keypad.h
View File

@ -75,39 +75,13 @@ struct matrix_keypad_platform_data {
bool no_autorepeat;
};
/**
* matrix_keypad_build_keymap - convert platform keymap into matrix keymap
* @keymap_data: keymap supplied by the platform code
* @row_shift: number of bits to shift row value by to advance to the next
* line in the keymap
* @keymap: expanded version of keymap that is suitable for use by
* matrix keyboad driver
* @keybit: pointer to bitmap of keys supported by input device
*
* This function converts platform keymap (encoded with KEY() macro) into
* an array of keycodes that is suitable for using in a standard matrix
* keyboard driver that uses row and col as indices.
*/
static inline void
matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
unsigned int row_shift,
unsigned short *keymap, unsigned long *keybit)
{
int i;
int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
const char *keymap_name,
unsigned int rows, unsigned int cols,
unsigned short *keymap,
struct input_dev *input_dev);
for (i = 0; i < keymap_data->keymap_size; i++) {
unsigned int key = keymap_data->keymap[i];
unsigned int row = KEY_ROW(key);
unsigned int col = KEY_COL(key);
unsigned short code = KEY_VAL(key);
keymap[MATRIX_SCAN_CODE(row, col, row_shift)] = code;
__set_bit(code, keybit);
}
__clear_bit(KEY_RESERVED, keybit);
}
#ifdef CONFIG_INPUT_OF_MATRIX_KEYMAP
#ifdef CONFIG_OF
struct matrix_keymap_data *
matrix_keyboard_of_fill_keymap(struct device_node *np, const char *propname);