WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/src/drivers/kbd.c


/*
 * Copyright (C) 2006 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup sparc64
 * @{
 */
/** @file
 */
 
#include <arch/drivers/kbd.h>
#include <genarch/ofw/ofw_tree.h>
#ifdef CONFIG_Z8530
#include <genarch/kbd/z8530.h>
#endif
#ifdef CONFIG_NS16550
#include <genarch/kbd/ns16550.h>
#endif
#include <ddi/device.h>
#include <ddi/irq.h>
#include <arch/mm/page.h>
#include <arch/types.h>
#include <typedefs.h>
#include <align.h>
#include <func.h>
#include <print.h>
 
 
 
kbd_type_t kbd_type = KBD_UNKNOWN;
 
 
 
/** Initialize keyboard.
 *
 * Traverse OpenFirmware device tree in order to find necessary
 * info about the keyboard device.
 *
 * @param node Keyboard device node.
 */
void kbd_init(ofw_tree_node_t *node)
{
    size_t offset;
    uintptr_t aligned_addr;
    ofw_tree_property_t *prop;
    const char *name;
   
    name = ofw_tree_node_name(node);
   
    /*
     * Determine keyboard serial controller type.
     */
    if (strcmp(name, "zs") == 0)
        kbd_type = KBD_Z8530;
    else if (strcmp(name, "su") == 0)
        kbd_type = KBD_NS16550;
   
    if (kbd_type == KBD_UNKNOWN) {
        printf("Unknown keyboard device.\n");
        return;
    }
   
    /*
     * Read 'interrupts' property.
     */
    uint32_t interrupts;
    prop = ofw_tree_getprop(node, "interrupts");
    if (!prop || !prop->value)
        panic("Can't find \"interrupts\" property.\n");
    interrupts = *((uint32_t *) prop->value);
 
    /*
     * Read 'reg' property.
     */
    prop = ofw_tree_getprop(node, "reg");
    if (!prop || !prop->value)
        panic("Can't find \"reg\" property.\n");
   
    uintptr_t pa;
    size_t size;
    inr_t inr;
 
    devno_t devno = device_assign_devno();
   
    switch (kbd_type) {
    case KBD_Z8530:
        size = ((ofw_fhc_reg_t *) prop->value)->size;
        if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {
            printf("Failed to determine keyboard address.\n");
            return;
        }
        if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {
            printf("Failed to determine keyboard interrupt.\n");
            return;
 
 
 
 
 
 
 
        }
        break;
       
    case KBD_NS16550:
        size = ((ofw_ebus_reg_t *) prop->value)->size;
        if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {
            printf("Failed to determine keyboard address.\n");
            return;
        }
        if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {
            printf("Failed to determine keyboard interrupt.\n");
            return;
 
 
 
 
 
 
 
        };
        break;
 
    default:
        panic("Unexpected type.\n");
    }
   
    /*
     * We need to pass aligned address to hw_map().
     * However, the physical keyboard address can
     * be pretty much unaligned, depending on the
     * underlying controller.
     */
    aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
    offset = pa - aligned_addr;
    uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset;
 
    switch (kbd_type) {
#ifdef CONFIG_Z8530
    case KBD_Z8530:
        z8530_init(devno, inr, vaddr);
        break;
#endif
#ifdef CONFIG_NS16550
    case KBD_NS16550:
        ns16550_init(devno, inr, vaddr);
        break;
#endif
    default:
        printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");
    }
}
 
/** @}
 */
 

Rev 1920	Rev 1921
1	/*	1	/*
2	* Copyright (C) 2006 Jakub Jermar	2	* Copyright (C) 2006 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch/drivers/kbd.h>	35	#include <arch/drivers/kbd.h>
36	#include <genarch/ofw/ofw_tree.h>	36	#include <genarch/ofw/ofw_tree.h>
37	#ifdef CONFIG_Z8530	37	#ifdef CONFIG_Z8530
38	#include <genarch/kbd/z8530.h>	38	#include <genarch/kbd/z8530.h>
39	#endif	39	#endif
40	#ifdef CONFIG_NS16550	40	#ifdef CONFIG_NS16550
41	#include <genarch/kbd/ns16550.h>	41	#include <genarch/kbd/ns16550.h>
42	#endif	42	#endif
43	#include <ddi/device.h>	43	#include <ddi/device.h>
44	#include <ddi/irq.h>	44	#include <ddi/irq.h>
45	#include <arch/mm/page.h>	45	#include <arch/mm/page.h>
46	#include <arch/types.h>	46	#include <arch/types.h>
47	#include <typedefs.h>	47	#include <typedefs.h>
48	#include <align.h>	48	#include <align.h>
49	#include <func.h>	49	#include <func.h>
50	#include <print.h>	50	#include <print.h>
51		51
52	volatile uint8_t *kbd_virt_address = NULL;	-
53		-
54	kbd_type_t kbd_type = KBD_UNKNOWN;	52	kbd_type_t kbd_type = KBD_UNKNOWN;
55		53
56	static irq_t kbd_irq;	-
57		-
58	/** Initialize keyboard.	54	/** Initialize keyboard.
59	*	55	*
60	* Traverse OpenFirmware device tree in order to find necessary	56	* Traverse OpenFirmware device tree in order to find necessary
61	* info about the keyboard device.	57	* info about the keyboard device.
62	*	58	*
63	* @param node Keyboard device node.	59	* @param node Keyboard device node.
64	*/	60	*/
65	void kbd_init(ofw_tree_node_t *node)	61	void kbd_init(ofw_tree_node_t *node)
66	{	62	{
67	size_t offset;	63	size_t offset;
68	uintptr_t aligned_addr;	64	uintptr_t aligned_addr;
69	ofw_tree_property_t *prop;	65	ofw_tree_property_t *prop;
70	const char *name;	66	const char *name;
71		67
72	name = ofw_tree_node_name(node);	68	name = ofw_tree_node_name(node);
73		69
74	/*	70	/*
75	* Determine keyboard serial controller type.	71	* Determine keyboard serial controller type.
76	*/	72	*/
77	if (strcmp(name, "zs") == 0)	73	if (strcmp(name, "zs") == 0)
78	kbd_type = KBD_Z8530;	74	kbd_type = KBD_Z8530;
79	else if (strcmp(name, "su") == 0)	75	else if (strcmp(name, "su") == 0)
80	kbd_type = KBD_NS16550;	76	kbd_type = KBD_NS16550;
81		77
82	if (kbd_type == KBD_UNKNOWN) {	78	if (kbd_type == KBD_UNKNOWN) {
83	printf("Unknown keyboard device.\n");	79	printf("Unknown keyboard device.\n");
84	return;	80	return;
85	}	81	}
86		82
87	/*	83	/*
88	* Read 'interrupts' property.	84	* Read 'interrupts' property.
89	*/	85	*/
90	uint32_t interrupts;	86	uint32_t interrupts;
91	prop = ofw_tree_getprop(node, "interrupts");	87	prop = ofw_tree_getprop(node, "interrupts");
92	if (!prop \|\| !prop->value)	88	if (!prop \|\| !prop->value)
93	panic("Can't find \"interrupts\" property.\n");	89	panic("Can't find \"interrupts\" property.\n");
94	interrupts = ((uint32_t ) prop->value);	90	interrupts = ((uint32_t ) prop->value);
95		91
96	/*	92	/*
97	* Read 'reg' property.	93	* Read 'reg' property.
98	*/	94	*/
99	prop = ofw_tree_getprop(node, "reg");	95	prop = ofw_tree_getprop(node, "reg");
100	if (!prop \|\| !prop->value)	96	if (!prop \|\| !prop->value)
101	panic("Can't find \"reg\" property.\n");	97	panic("Can't find \"reg\" property.\n");
102		98
103	uintptr_t pa;	99	uintptr_t pa;
104	size_t size;	100	size_t size;
105	int inr;	101	inr_t inr;
106		-
107	irq_initialize(&kbd_irq);	102	devno_t devno = device_assign_devno();
108		103
109	switch (kbd_type) {	104	switch (kbd_type) {
110	case KBD_Z8530:	105	case KBD_Z8530:
111	size = ((ofw_fhc_reg_t *) prop->value)->size;	106	size = ((ofw_fhc_reg_t *) prop->value)->size;
112	if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {	107	if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {
113	printf("Failed to determine keyboard address.\n");	108	printf("Failed to determine keyboard address.\n");
114	return;	109	return;
115	}	110	}
116	if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {	111	if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {
117	printf("Failed to determine keyboard interrupt.\n");	112	printf("Failed to determine keyboard interrupt.\n");
118	return;	113	return;
119	} else {	-
120	kbd_irq.inr = inr;	-
121	kbd_irq.devno = device_assign_devno();	-
122	kbd_irq.trigger = IRQ_TRIGGER_LEVEL;	-
123	kbd_irq.claim = z8530_claim;	-
124	kbd_irq.handler = z8530_irq_handler;	-
125	irq_register(&kbd_irq);	-
126	}	114	}
127	break;	115	break;
128		116
129	case KBD_NS16550:	117	case KBD_NS16550:
130	size = ((ofw_ebus_reg_t *) prop->value)->size;	118	size = ((ofw_ebus_reg_t *) prop->value)->size;
131	if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {	119	if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {
132	printf("Failed to determine keyboard address.\n");	120	printf("Failed to determine keyboard address.\n");
133	return;	121	return;
134	}	122	}
135	if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {	123	if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {
136	printf("Failed to determine keyboard interrupt.\n");	124	printf("Failed to determine keyboard interrupt.\n");
137	return;	125	return;
138	} else {	-
139	kbd_irq.inr = inr;	-
140	kbd_irq.devno = device_assign_devno();	-
141	kbd_irq.trigger = IRQ_TRIGGER_LEVEL;	-
142	kbd_irq.claim = ns16550_claim;	-
143	kbd_irq.handler = ns16550_irq_handler;	-
144	irq_register(&kbd_irq);	-
145	}	126	};
146	break;	127	break;
147		128
148	default:	129	default:
149	panic("Unexpected type.\n");	130	panic("Unexpected type.\n");
150	}	131	}
151		132
152	/*	133	/*
153	* We need to pass aligned address to hw_map().	134	* We need to pass aligned address to hw_map().
154	* However, the physical keyboard address can	135	* However, the physical keyboard address can
155	* be pretty much unaligned, depending on the	136	* be pretty much unaligned, depending on the
156	* underlying controller.	137	* underlying controller.
157	*/	138	*/
158	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);	139	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
159	offset = pa - aligned_addr;	140	offset = pa - aligned_addr;
160	kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + size) + offset;	141	uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset;
161		142
162	switch (kbd_type) {	143	switch (kbd_type) {
163	#ifdef CONFIG_Z8530	144	#ifdef CONFIG_Z8530
164	case KBD_Z8530:	145	case KBD_Z8530:
165	z8530_init();	146	z8530_init(devno, inr, vaddr);
166	break;	147	break;
167	#endif	148	#endif
168	#ifdef CONFIG_NS16550	149	#ifdef CONFIG_NS16550
169	case KBD_NS16550:	150	case KBD_NS16550:
170	ns16550_init();	151	ns16550_init(devno, inr, vaddr);
171	break;	152	break;
172	#endif	153	#endif
173	default:	154	default:
174	printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");	155	printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");
175	}	156	}
176	}	157	}
177		158
178	/** @}	159	/** @}
179	*/	160	*/
180		161

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(root)/trunk/kernel/arch/sparc64/src/drivers/kbd.c @ 2071 – Rev 1920 → 1921