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Input: spear-keyboard - configure device according to supplied mode

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Let platform pass mode information to keyboard driver according to which
it configures itself. The mode can be
 - KEYPAD_9x9     0
 - KEYPAD_6x6     1
 - KEYPAD_2x2     2

Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Rajeev Kumar 2012-02-24 00:51:40 -08:00 committed by Dmitry Torokhov
parent 5e238b548a
commit f8354c60ca
2 changed files with 12 additions and 1 deletions
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6
arch/arm/plat-spear/include/plat/keyboard.h
View File

@ -140,10 +140,15 @@ int _name[] = { \
KEY(5, 5, KEY_ZENKAKUHANKAKU), \
}
#define KEYPAD_9x9 0
#define KEYPAD_6x6 1
#define KEYPAD_2x2 2
/**
* struct kbd_platform_data - spear keyboard platform data
* keymap: pointer to keymap data (table and size)
* rep: enables key autorepeat
* mode: choose keyboard support(9x9, 6x6, 2x2)
*
* This structure is supposed to be used by platform code to supply
* keymaps to drivers that implement keyboards.
@ -151,6 +156,7 @@ int _name[] = { \
struct kbd_platform_data {
const struct matrix_keymap_data *keymap;
bool rep;
unsigned int mode;
};
/* This function is used to set platform data field of pdev->dev */

7
drivers/input/keyboard/spear-keyboard.c
View File

@ -50,6 +50,7 @@
#define ROW_MASK 0xF0
#define COLUMN_MASK 0x0F
#define ROW_SHIFT 4
#define KEY_MATRIX_SHIFT 6
struct spear_kbd {
struct input_dev *input;
@ -57,6 +58,7 @@ struct spear_kbd {
void __iomem *io_base;
struct clk *clk;
unsigned int irq;
unsigned int mode;
unsigned short last_key;
unsigned short keycodes[256];
};
@ -106,7 +108,8 @@ static int spear_kbd_open(struct input_dev *dev)
return error;
/* program keyboard */
val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK;
val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK |
(kbd->mode << KEY_MATRIX_SHIFT);
writew(val, kbd->io_base + MODE_REG);
writeb(1, kbd->io_base + STATUS_REG);
@ -176,6 +179,8 @@ static int __devinit spear_kbd_probe(struct platform_device *pdev)
kbd->input = input_dev;
kbd->irq = irq;
kbd->mode = pdata->mode;
kbd->res = request_mem_region(res->start, resource_size(res),
pdev->name);
if (!kbd->res) {