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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 22:13:58 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 22:13:58 -0500
commit01539ba2a706ab7d35fc0667dff919ade7f87d63 (patch)
tree5a4bd0cf78007d06690fe4ac06bbd49a5a70bc47 /drivers/input/keyboard
parent9e9bc9736756f25d6c47b4eba0ebf25b20a6f153 (diff)
parentdc69d1af9e8d9cbbabff88bb35a6782187a22229 (diff)
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (243 commits) omap2: Make OMAP2PLUS select OMAP_DM_TIMER OMAP4: hwmod data: Fix alignment and end of line in structurefields OMAP4: hwmod data: Move the DMA structures OMAP4: hwmod data: Move the smartreflex structures OMAP4: hwmod data: Fix missing SIDLE_SMART_WKUP in smartreflexsysc arm: omap: tusb6010: add name for MUSB IRQ arm: omap: craneboard: Add USB EHCI support omap2+: Initialize serial port for dynamic remuxing for n8x0 omap2+: Add struct omap_board_data and use it for platform level serial init omap2+: Allow hwmod state changes to mux pads based on the state changes omap2+: Add support for hwmod specific muxing of devices omap2+: Add omap_mux_get_by_name OMAP2: PM: fix compile error when !CONFIG_SUSPEND MAINTAINERS: OMAP: hwmod: update hwmod code, data maintainership OMAP4: Smartreflex framework extensions OMAP4: hwmod: Add inital data for smartreflex modules. OMAP4: PM: Program correct init voltages for scalable VDDs OMAP4: Adding voltage driver support OMAP4: Register voltage PMIC parameters with the voltage layer OMAP3: PM: Program correct init voltages for VDD1 and VDD2 ... Fix up trivial conflict in arch/arm/plat-omap/Kconfig
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/omap-keypad.c41
1 files changed, 19 insertions, 22 deletions
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index a72e61ddca91..0e2a19cb43d8 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -65,7 +65,6 @@ struct omap_kp {
65 65
66static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0); 66static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0);
67 67
68static int *keymap;
69static unsigned int *row_gpios; 68static unsigned int *row_gpios;
70static unsigned int *col_gpios; 69static unsigned int *col_gpios;
71 70
@@ -162,20 +161,11 @@ static void omap_kp_scan_keypad(struct omap_kp *omap_kp, unsigned char *state)
162 } 161 }
163} 162}
164 163
165static inline int omap_kp_find_key(int col, int row)
166{
167 int i, key;
168
169 key = KEY(col, row, 0);
170 for (i = 0; keymap[i] != 0; i++)
171 if ((keymap[i] & 0xff000000) == key)
172 return keymap[i] & 0x00ffffff;
173 return -1;
174}
175
176static void omap_kp_tasklet(unsigned long data) 164static void omap_kp_tasklet(unsigned long data)
177{ 165{
178 struct omap_kp *omap_kp_data = (struct omap_kp *) data; 166 struct omap_kp *omap_kp_data = (struct omap_kp *) data;
167 unsigned short *keycodes = omap_kp_data->input->keycode;
168 unsigned int row_shift = get_count_order(omap_kp_data->cols);
179 unsigned char new_state[8], changed, key_down = 0; 169 unsigned char new_state[8], changed, key_down = 0;
180 int col, row; 170 int col, row;
181 int spurious = 0; 171 int spurious = 0;
@@ -199,7 +189,7 @@ static void omap_kp_tasklet(unsigned long data)
199 row, (new_state[col] & (1 << row)) ? 189 row, (new_state[col] & (1 << row)) ?
200 "pressed" : "released"); 190 "pressed" : "released");
201#else 191#else
202 key = omap_kp_find_key(col, row); 192 key = keycodes[MATRIX_SCAN_CODE(row, col, row_shift)];
203 if (key < 0) { 193 if (key < 0) {
204 printk(KERN_WARNING 194 printk(KERN_WARNING
205 "omap-keypad: Spurious key event %d-%d\n", 195 "omap-keypad: Spurious key event %d-%d\n",
@@ -298,13 +288,18 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
298 struct input_dev *input_dev; 288 struct input_dev *input_dev;
299 struct omap_kp_platform_data *pdata = pdev->dev.platform_data; 289 struct omap_kp_platform_data *pdata = pdev->dev.platform_data;
300 int i, col_idx, row_idx, irq_idx, ret; 290 int i, col_idx, row_idx, irq_idx, ret;
291 unsigned int row_shift, keycodemax;
301 292
302 if (!pdata->rows || !pdata->cols || !pdata->keymap) { 293 if (!pdata->rows || !pdata->cols || !pdata->keymap_data) {
303 printk(KERN_ERR "No rows, cols or keymap from pdata\n"); 294 printk(KERN_ERR "No rows, cols or keymap_data from pdata\n");
304 return -EINVAL; 295 return -EINVAL;
305 } 296 }
306 297
307 omap_kp = kzalloc(sizeof(struct omap_kp), GFP_KERNEL); 298 row_shift = get_count_order(pdata->cols);
299 keycodemax = pdata->rows << row_shift;
300
301 omap_kp = kzalloc(sizeof(struct omap_kp) +
302 keycodemax * sizeof(unsigned short), GFP_KERNEL);
308 input_dev = input_allocate_device(); 303 input_dev = input_allocate_device();
309 if (!omap_kp || !input_dev) { 304 if (!omap_kp || !input_dev) {
310 kfree(omap_kp); 305 kfree(omap_kp);
@@ -320,7 +315,9 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
320 if (!cpu_is_omap24xx()) 315 if (!cpu_is_omap24xx())
321 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); 316 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
322 317
323 keymap = pdata->keymap; 318 input_dev->keycode = &omap_kp[1];
319 input_dev->keycodesize = sizeof(unsigned short);
320 input_dev->keycodemax = keycodemax;
324 321
325 if (pdata->rep) 322 if (pdata->rep)
326 __set_bit(EV_REP, input_dev->evbit); 323 __set_bit(EV_REP, input_dev->evbit);
@@ -374,8 +371,8 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
374 371
375 /* setup input device */ 372 /* setup input device */
376 __set_bit(EV_KEY, input_dev->evbit); 373 __set_bit(EV_KEY, input_dev->evbit);
377 for (i = 0; keymap[i] != 0; i++) 374 matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
378 __set_bit(keymap[i] & KEY_MAX, input_dev->keybit); 375 input_dev->keycode, input_dev->keybit);
379 input_dev->name = "omap-keypad"; 376 input_dev->name = "omap-keypad";
380 input_dev->phys = "omap-keypad/input0"; 377 input_dev->phys = "omap-keypad/input0";
381 input_dev->dev.parent = &pdev->dev; 378 input_dev->dev.parent = &pdev->dev;
@@ -416,7 +413,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
416 return 0; 413 return 0;
417err5: 414err5:
418 for (i = irq_idx - 1; i >=0; i--) 415 for (i = irq_idx - 1; i >=0; i--)
419 free_irq(row_gpios[i], 0); 416 free_irq(row_gpios[i], NULL);
420err4: 417err4:
421 input_unregister_device(omap_kp->input); 418 input_unregister_device(omap_kp->input);
422 input_dev = NULL; 419 input_dev = NULL;
@@ -447,11 +444,11 @@ static int __devexit omap_kp_remove(struct platform_device *pdev)
447 gpio_free(col_gpios[i]); 444 gpio_free(col_gpios[i]);
448 for (i = 0; i < omap_kp->rows; i++) { 445 for (i = 0; i < omap_kp->rows; i++) {
449 gpio_free(row_gpios[i]); 446 gpio_free(row_gpios[i]);
450 free_irq(gpio_to_irq(row_gpios[i]), 0); 447 free_irq(gpio_to_irq(row_gpios[i]), NULL);
451 } 448 }
452 } else { 449 } else {
453 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); 450 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
454 free_irq(omap_kp->irq, 0); 451 free_irq(omap_kp->irq, NULL);
455 } 452 }
456 453
457 del_timer_sync(&omap_kp->timer); 454 del_timer_sync(&omap_kp->timer);