Lines Matching +full:last +full:- +full:interrupt +full:- +full:source

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  *  linux/arch/arm/mach-omap1/ams-delta-fiq-handler.S
14 #include <linux/platform_data/ams-delta-fiq.h>
15 #include <linux/platform_data/gpio-omap.h>
16 #include <linux/soc/ti/omap1-io.h>
22 #include "ams-delta-fiq.h"
23 #include "board-ams-delta.h"
27  * OMAP1510 GPIO related symbol copied from arch/arm/mach-omap1/gpio15xx.c.
79  * r8  - temporary
80  * r9  - the driver buffer
81  * r10 - temporary
82  * r11 - interrupts mask
83  * r12 - base pointers
84  * r13 - interrupts status
99 	bics r13, r13, r11			@ clear masked - any left?
100 	beq exit				@ none - spurious FIQ? exit
102 	ldr r10, [r12, #IRQ_SIR_FIQ_REG_OFFSET]	@ get requested interrupt number
107 	cmp r10, #(INT_GPIO_BANK1 - NR_IRQS_LEGACY)	@ is it GPIO interrupt?
108 	beq gpio				@ yes - process it
111 	orr r8, r11, r8, lsl r10		@ mask spurious interrupt
119 gpio:	@ GPIO bank interrupt handler
125 	bics r13, r13, r11			@ clear masked - any left?
126 	beq exit				@ no - spurious interrupt? exit
133 	ands r10, r13, #KEYBRD_CLK_MASK		@ extract keyboard status - set?
134 	beq hksw				@ no - try next source
138 	@ Keyboard clock FIQ mode interrupt handler
148 	bne data				@ no - go to data processing
150 	ands r8, r8, #KEYBRD_DATA_MASK		@ check start bit - detected?
151 	beq hksw				@ no - try next source
171 	ldreq r8, [r9, #BUF_KEY]		@ yes - fetch collected so far,
177 	strne r10, [r9, #BUF_MASK]		@ not yet - store the mask
183 	@ Key done - restore interrupt mask
192 	beq hksw				@ yes - key lost, next source
200 	moveq r10, #0				@ yes - rewind to buffer start
204 	ldr r8, [r9, #BUF_KEY]			@ get last keycode
216 hksw:	@Is hook switch interrupt requested?
218 	beq mdm					@ no - try next source
222 	@ Hook switch interrupt FIQ mode simple handler
226 	@ Increment hook switch interrupt counter
233 mdm:	@Is it a modem interrupt?
235 	beq irq					@ no - check for next interrupt
239 	@ Modem FIQ mode interrupt handler stub
241 	@ Increment modem interrupt counter
248 irq:	@ Place deferred_fiq interrupt request
254 	b restart				@ check for next GPIO interrupt
273 .if (qwerty_fiqin_end - qwerty_fiqin_start) > (0x200 - 0x1c)