Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _I8042_SNIRM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _I8042_SNIRM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/sni.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Names.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define I8042_KBD_PHYS_DESC "onboard/serio0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define I8042_AUX_PHYS_DESC "onboard/serio1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define I8042_MUX_PHYS_DESC "onboard/serio%d"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * IRQs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static int i8042_kbd_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static int i8042_aux_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define I8042_KBD_IRQ i8042_kbd_irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define I8042_AUX_IRQ i8042_aux_irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static void __iomem *kbd_iobase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define I8042_COMMAND_REG	(kbd_iobase + 0x64UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define I8042_DATA_REG		(kbd_iobase + 0x60UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static inline int i8042_read_data(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	return readb(kbd_iobase + 0x60UL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static inline int i8042_read_status(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	return readb(kbd_iobase + 0x64UL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static inline void i8042_write_data(int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	writeb(val, kbd_iobase + 0x60UL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static inline void i8042_write_command(int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	writeb(val, kbd_iobase + 0x64UL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static inline int i8042_platform_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	/* RM200 is strange ... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	if (sni_brd_type == SNI_BRD_RM200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		kbd_iobase = ioremap(0x16000000, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		i8042_kbd_irq = 33;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		i8042_aux_irq = 44;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 		kbd_iobase = ioremap(0x14000000, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 		i8042_kbd_irq = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		i8042_aux_irq = 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	if (!kbd_iobase)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static inline void i8042_platform_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #endif /* _I8042_SNIRM_H */