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 <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;
    cir_t cir;
    void *cir_arg;
   
    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("Cannot find 'interrupt' property.");
    interrupts = *((uint32_t *) prop->value);
   
    /*
     * Read 'reg' property.
     */
    prop = ofw_tree_getprop(node, "reg");
    if ((!prop) || (!prop->value))
        panic("Cannot find 'reg' property.");
   
    uintptr_t pa;
    size_t size;
    inr_t inr;
   
    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, &cir,
            &cir_arg)) {
            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, &cir,
            &cir_arg)) {
            printf("Failed to determine keyboard interrupt.\n");
            return;
        };
        break;
       
    default:
        panic("Unexpected keyboard type.");
    }
   
    /*
     * 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;
   
    switch (kbd_type) {
#ifdef CONFIG_Z8530
    case KBD_Z8530:
        z8530_init(device_assign_devno(),
            hw_map(aligned_addr, offset + size) + offset, inr, cir, cir_arg);
        break;
#endif
#ifdef CONFIG_NS16550
    case KBD_NS16550:
        ns16550_init(device_assign_devno(),
            (ioport_t) (hw_map(aligned_addr, offset + size) + offset), inr, cir, cir_arg);
        break;
#endif
    default:
        printf("Kernel is not compiled with the necessary keyboard "
            "driver this machine requires.\n");
    }
}
 
/** @}
 */
 

Rev 3714	Rev 3790
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 <align.h>	47	#include <align.h>
48	#include <func.h>	48	#include <func.h>
49	#include <print.h>	49	#include <print.h>
50		50
51	kbd_type_t kbd_type = KBD_UNKNOWN;	51	kbd_type_t kbd_type = KBD_UNKNOWN;
52		52
53	/** Initialize keyboard.	53	/** Initialize keyboard.
54	*	54	*
55	* Traverse OpenFirmware device tree in order to find necessary	55	* Traverse OpenFirmware device tree in order to find necessary
56	* info about the keyboard device.	56	* info about the keyboard device.
57	*	57	*
58	* @param node Keyboard device node.	58	* @param node Keyboard device node.
59	*/	59	*/
60	void kbd_init(ofw_tree_node_t *node)	60	void kbd_init(ofw_tree_node_t *node)
61	{	61	{
62	size_t offset;	62	size_t offset;
63	uintptr_t aligned_addr;	63	uintptr_t aligned_addr;
64	ofw_tree_property_t *prop;	64	ofw_tree_property_t *prop;
65	const char *name;	65	const char *name;
66	cir_t cir;	66	cir_t cir;
67	void *cir_arg;	67	void *cir_arg;
68		68
69	name = ofw_tree_node_name(node);	69	name = ofw_tree_node_name(node);
70		70
71	/*	71	/*
72	* Determine keyboard serial controller type.	72	* Determine keyboard serial controller type.
73	*/	73	*/
74	if (strcmp(name, "zs") == 0)	74	if (strcmp(name, "zs") == 0)
75	kbd_type = KBD_Z8530;	75	kbd_type = KBD_Z8530;
76	else if (strcmp(name, "su") == 0)	76	else if (strcmp(name, "su") == 0)
77	kbd_type = KBD_NS16550;	77	kbd_type = KBD_NS16550;
78		78
79	if (kbd_type == KBD_UNKNOWN) {	79	if (kbd_type == KBD_UNKNOWN) {
80	printf("Unknown keyboard device.\n");	80	printf("Unknown keyboard device.\n");
81	return;	81	return;
82	}	82	}
83		83
84	/*	84	/*
85	* Read 'interrupts' property.	85	* Read 'interrupts' property.
86	*/	86	*/
87	uint32_t interrupts;	87	uint32_t interrupts;
88	prop = ofw_tree_getprop(node, "interrupts");	88	prop = ofw_tree_getprop(node, "interrupts");
89	if ((!prop) \|\| (!prop->value))	89	if ((!prop) \|\| (!prop->value))
90	panic("Can't find \"interrupts\" property.\n");	90	panic("Cannot find 'interrupt' property.");
91	interrupts = ((uint32_t ) prop->value);	91	interrupts = ((uint32_t ) prop->value);
92		92
93	/*	93	/*
94	* Read 'reg' property.	94	* Read 'reg' property.
95	*/	95	*/
96	prop = ofw_tree_getprop(node, "reg");	96	prop = ofw_tree_getprop(node, "reg");
97	if ((!prop) \|\| (!prop->value))	97	if ((!prop) \|\| (!prop->value))
98	panic("Can't find \"reg\" property.\n");	98	panic("Cannot find 'reg' property.");
99		99
100	uintptr_t pa;	100	uintptr_t pa;
101	size_t size;	101	size_t size;
102	inr_t inr;	102	inr_t inr;
103		103
104	switch (kbd_type) {	104	switch (kbd_type) {
105	case KBD_Z8530:	105	case KBD_Z8530:
106	size = ((ofw_fhc_reg_t *) prop->value)->size;	106	size = ((ofw_fhc_reg_t *) prop->value)->size;
107	if (!ofw_fhc_apply_ranges(node->parent,	107	if (!ofw_fhc_apply_ranges(node->parent,
108	((ofw_fhc_reg_t *) prop->value), &pa)) {	108	((ofw_fhc_reg_t *) prop->value), &pa)) {
109	printf("Failed to determine keyboard address.\n");	109	printf("Failed to determine keyboard address.\n");
110	return;	110	return;
111	}	111	}
112	if (!ofw_fhc_map_interrupt(node->parent,	112	if (!ofw_fhc_map_interrupt(node->parent,
113	((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir,	113	((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir,
114	&cir_arg)) {	114	&cir_arg)) {
115	printf("Failed to determine keyboard interrupt.\n");	115	printf("Failed to determine keyboard interrupt.\n");
116	return;	116	return;
117	}	117	}
118	break;	118	break;
119		119
120	case KBD_NS16550:	120	case KBD_NS16550:
121	size = ((ofw_ebus_reg_t *) prop->value)->size;	121	size = ((ofw_ebus_reg_t *) prop->value)->size;
122	if (!ofw_ebus_apply_ranges(node->parent,	122	if (!ofw_ebus_apply_ranges(node->parent,
123	((ofw_ebus_reg_t *) prop->value), &pa)) {	123	((ofw_ebus_reg_t *) prop->value), &pa)) {
124	printf("Failed to determine keyboard address.\n");	124	printf("Failed to determine keyboard address.\n");
125	return;	125	return;
126	}	126	}
127	if (!ofw_ebus_map_interrupt(node->parent,	127	if (!ofw_ebus_map_interrupt(node->parent,
128	((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir,	128	((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir,
129	&cir_arg)) {	129	&cir_arg)) {
130	printf("Failed to determine keyboard interrupt.\n");	130	printf("Failed to determine keyboard interrupt.\n");
131	return;	131	return;
132	};	132	};
133	break;	133	break;
134		134
135	default:	135	default:
136	panic("Unexpected keyboard type.\n");	136	panic("Unexpected keyboard type.");
137	}	137	}
138		138
139	/*	139	/*
140	* We need to pass aligned address to hw_map().	140	* We need to pass aligned address to hw_map().
141	* However, the physical keyboard address can	141	* However, the physical keyboard address can
142	* be pretty much unaligned, depending on the	142	* be pretty much unaligned, depending on the
143	* underlying controller.	143	* underlying controller.
144	*/	144	*/
145	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);	145	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
146	offset = pa - aligned_addr;	146	offset = pa - aligned_addr;
147		147
148	switch (kbd_type) {	148	switch (kbd_type) {
149	#ifdef CONFIG_Z8530	149	#ifdef CONFIG_Z8530
150	case KBD_Z8530:	150	case KBD_Z8530:
151	z8530_init(device_assign_devno(),	151	z8530_init(device_assign_devno(),
152	hw_map(aligned_addr, offset + size) + offset, inr, cir, cir_arg);	152	hw_map(aligned_addr, offset + size) + offset, inr, cir, cir_arg);
153	break;	153	break;
154	#endif	154	#endif
155	#ifdef CONFIG_NS16550	155	#ifdef CONFIG_NS16550
156	case KBD_NS16550:	156	case KBD_NS16550:
157	ns16550_init(device_assign_devno(),	157	ns16550_init(device_assign_devno(),
158	(ioport_t) (hw_map(aligned_addr, offset + size) + offset), inr, cir, cir_arg);	158	(ioport_t) (hw_map(aligned_addr, offset + size) + offset), inr, cir, cir_arg);
159	break;	159	break;
160	#endif	160	#endif
161	default:	161	default:
162	printf("Kernel is not compiled with the necessary keyboard "	162	printf("Kernel is not compiled with the necessary keyboard "
163	"driver this machine requires.\n");	163	"driver this machine requires.\n");
164	}	164	}
165	}	165	}
166		166
167	/** @}	167	/** @}
168	*/	168	*/
169		169

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/drivers/kbd.c – Rev 3714 → 3790