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_SUN_KBD
#include <genarch/kbrd/kbrd.h>
#endif
#ifdef CONFIG_Z8530
#include <genarch/drivers/z8530/z8530.h>
#endif
#ifdef CONFIG_NS16550
#include <genarch/drivers/ns16550/ns16550.h>
#endif
 
#include <console/console.h>
#include <ddi/device.h>
#include <ddi/irq.h>
#include <arch/mm/page.h>
#include <arch/types.h>
#include <align.h>
#include <string.h>
#include <print.h>
#include <sysinfo/sysinfo.h>
 
kbd_type_t kbd_type = KBD_UNKNOWN;
 
#if defined (CONFIG_Z8530) || defined (CONFIG_NS16550)
 
/** 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;
 
#ifdef CONFIG_NS16550
    ns16550_t *ns16550;
#endif
#ifdef CONFIG_Z8530
    z8530_t *z8530;
#endif
   
    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;
    devno_t devno;
    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:
        devno = device_assign_devno();
        z8530 = (z8530_t *) hw_map(aligned_addr, offset + size) +
            offset;
        kbrd_init(stdin);
        (void) z8530_init(z8530, devno, inr, cir, cir_arg, &kbrdin);
       
        /*
         * This is the necessary evil until the userspace drivers are
         * entirely self-sufficient.
         */
        sysinfo_set_item_val("kbd", NULL, true);
        sysinfo_set_item_val("kbd.type", NULL, KBD_Z8530);
        sysinfo_set_item_val("kbd.devno", NULL, devno);
        sysinfo_set_item_val("kbd.inr", NULL, inr);
        sysinfo_set_item_val("kbd.address.kernel", NULL,
            (uintptr_t) z8530);
        sysinfo_set_item_val("kbd.address.physical", NULL, pa);
        break;
#endif
#ifdef CONFIG_NS16550
    case KBD_NS16550:
        devno = device_assign_devno();
        ns16550 = (ns16550_t *) hw_map(aligned_addr, offset + size) +
            offset;
        kbrd_init(stdin);
        (void) ns16550_init(ns16550, devno, inr, cir, cir_arg, &kbrdin);
       
        /*
         * This is the necessary evil until the userspace driver is
         * entirely self-sufficient.
         */
        sysinfo_set_item_val("kbd", NULL, true);
        sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);
        sysinfo_set_item_val("kbd.devno", NULL, devno);
        sysinfo_set_item_val("kbd.inr", NULL, inr);
        sysinfo_set_item_val("kbd.address.kernel", NULL,
            (uintptr_t) ns16550);
        sysinfo_set_item_val("kbd.address.physical", NULL, pa);
        break;
#endif
    default:
        printf("Kernel is not compiled with the necessary keyboard "
            "driver this machine requires.\n");
    }
}
 
    #endif
/** @}
 */
 

Rev 4042	Rev 4070
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		37
38	#ifdef CONFIG_SUN_KBD	38	#ifdef CONFIG_SUN_KBD
39	#include <genarch/kbrd/kbrd.h>	39	#include <genarch/kbrd/kbrd.h>
40	#endif	40	#endif
41	#ifdef CONFIG_Z8530	41	#ifdef CONFIG_Z8530
42	#include <genarch/drivers/z8530/z8530.h>	42	#include <genarch/drivers/z8530/z8530.h>
43	#endif	43	#endif
44	#ifdef CONFIG_NS16550	44	#ifdef CONFIG_NS16550
45	#include <genarch/drivers/ns16550/ns16550.h>	45	#include <genarch/drivers/ns16550/ns16550.h>
46	#endif	46	#endif
47		47
48	#include <console/console.h>	48	#include <console/console.h>
49	#include <ddi/device.h>	49	#include <ddi/device.h>
50	#include <ddi/irq.h>	50	#include <ddi/irq.h>
51	#include <arch/mm/page.h>	51	#include <arch/mm/page.h>
52	#include <arch/types.h>	52	#include <arch/types.h>
53	#include <align.h>	53	#include <align.h>
54	#include <string.h>	54	#include <string.h>
55	#include <print.h>	55	#include <print.h>
56	#include <sysinfo/sysinfo.h>	56	#include <sysinfo/sysinfo.h>
57		57
58	kbd_type_t kbd_type = KBD_UNKNOWN;	58	kbd_type_t kbd_type = KBD_UNKNOWN;
59		59
-		60	#if defined (CONFIG_Z8530) \|\| defined (CONFIG_NS16550)
-		61
60	/** Initialize keyboard.	62	/** Initialize keyboard.
61	*	63	*
62	* Traverse OpenFirmware device tree in order to find necessary	64	* Traverse OpenFirmware device tree in order to find necessary
63	* info about the keyboard device.	65	* info about the keyboard device.
64	*	66	*
65	* @param node Keyboard device node.	67	* @param node Keyboard device node.
66	*/	68	*/
67	void kbd_init(ofw_tree_node_t *node)	69	void kbd_init(ofw_tree_node_t *node)
68	{	70	{
69	size_t offset;	71	size_t offset;
70	uintptr_t aligned_addr;	72	uintptr_t aligned_addr;
71	ofw_tree_property_t *prop;	73	ofw_tree_property_t *prop;
72	const char *name;	74	const char *name;
73	cir_t cir;	75	cir_t cir;
74	void *cir_arg;	76	void *cir_arg;
75		77
76	#ifdef CONFIG_NS16550	78	#ifdef CONFIG_NS16550
77	ns16550_t *ns16550;	79	ns16550_t *ns16550;
78	#endif	80	#endif
79	#ifdef CONFIG_Z8530	81	#ifdef CONFIG_Z8530
80	z8530_t *z8530;	82	z8530_t *z8530;
81	#endif	83	#endif
82		84
83	name = ofw_tree_node_name(node);	85	name = ofw_tree_node_name(node);
84		86
85	/*	87	/*
86	* Determine keyboard serial controller type.	88	* Determine keyboard serial controller type.
87	*/	89	*/
88	if (strcmp(name, "zs") == 0)	90	if (strcmp(name, "zs") == 0)
89	kbd_type = KBD_Z8530;	91	kbd_type = KBD_Z8530;
90	else if (strcmp(name, "su") == 0)	92	else if (strcmp(name, "su") == 0)
91	kbd_type = KBD_NS16550;	93	kbd_type = KBD_NS16550;
92		94
93	if (kbd_type == KBD_UNKNOWN) {	95	if (kbd_type == KBD_UNKNOWN) {
94	printf("Unknown keyboard device.\n");	96	printf("Unknown keyboard device.\n");
95	return;	97	return;
96	}	98	}
97		99
98	/*	100	/*
99	* Read 'interrupts' property.	101	* Read 'interrupts' property.
100	*/	102	*/
101	uint32_t interrupts;	103	uint32_t interrupts;
102	prop = ofw_tree_getprop(node, "interrupts");	104	prop = ofw_tree_getprop(node, "interrupts");
103	if ((!prop) \|\| (!prop->value))	105	if ((!prop) \|\| (!prop->value))
104	panic("Cannot find 'interrupt' property.");	106	panic("Cannot find 'interrupt' property.");
105	interrupts = ((uint32_t ) prop->value);	107	interrupts = ((uint32_t ) prop->value);
106		108
107	/*	109	/*
108	* Read 'reg' property.	110	* Read 'reg' property.
109	*/	111	*/
110	prop = ofw_tree_getprop(node, "reg");	112	prop = ofw_tree_getprop(node, "reg");
111	if ((!prop) \|\| (!prop->value))	113	if ((!prop) \|\| (!prop->value))
112	panic("Cannot find 'reg' property.");	114	panic("Cannot find 'reg' property.");
113		115
114	uintptr_t pa;	116	uintptr_t pa;
115	size_t size;	117	size_t size;
116	devno_t devno;	118	devno_t devno;
117	inr_t inr;	119	inr_t inr;
118		120
119	switch (kbd_type) {	121	switch (kbd_type) {
120	case KBD_Z8530:	122	case KBD_Z8530:
121	size = ((ofw_fhc_reg_t *) prop->value)->size;	123	size = ((ofw_fhc_reg_t *) prop->value)->size;
122	if (!ofw_fhc_apply_ranges(node->parent,	124	if (!ofw_fhc_apply_ranges(node->parent,
123	((ofw_fhc_reg_t *) prop->value), &pa)) {	125	((ofw_fhc_reg_t *) prop->value), &pa)) {
124	printf("Failed to determine keyboard address.\n");	126	printf("Failed to determine keyboard address.\n");
125	return;	127	return;
126	}	128	}
127	if (!ofw_fhc_map_interrupt(node->parent,	129	if (!ofw_fhc_map_interrupt(node->parent,
128	((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir,	130	((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir,
129	&cir_arg)) {	131	&cir_arg)) {
130	printf("Failed to determine keyboard interrupt.\n");	132	printf("Failed to determine keyboard interrupt.\n");
131	return;	133	return;
132	}	134	}
133	break;	135	break;
134		136
135	case KBD_NS16550:	137	case KBD_NS16550:
136	size = ((ofw_ebus_reg_t *) prop->value)->size;	138	size = ((ofw_ebus_reg_t *) prop->value)->size;
137	if (!ofw_ebus_apply_ranges(node->parent,	139	if (!ofw_ebus_apply_ranges(node->parent,
138	((ofw_ebus_reg_t *) prop->value), &pa)) {	140	((ofw_ebus_reg_t *) prop->value), &pa)) {
139	printf("Failed to determine keyboard address.\n");	141	printf("Failed to determine keyboard address.\n");
140	return;	142	return;
141	}	143	}
142	if (!ofw_ebus_map_interrupt(node->parent,	144	if (!ofw_ebus_map_interrupt(node->parent,
143	((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir,	145	((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir,
144	&cir_arg)) {	146	&cir_arg)) {
145	printf("Failed to determine keyboard interrupt.\n");	147	printf("Failed to determine keyboard interrupt.\n");
146	return;	148	return;
147	};	149	};
148	break;	150	break;
149	default:	151	default:
150	panic("Unexpected keyboard type.");	152	panic("Unexpected keyboard type.");
151	}	153	}
152		154
153	/*	155	/*
154	* We need to pass aligned address to hw_map().	156	* We need to pass aligned address to hw_map().
155	* However, the physical keyboard address can	157	* However, the physical keyboard address can
156	* be pretty much unaligned, depending on the	158	* be pretty much unaligned, depending on the
157	* underlying controller.	159	* underlying controller.
158	*/	160	*/
159	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);	161	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
160	offset = pa - aligned_addr;	162	offset = pa - aligned_addr;
161		163
162	switch (kbd_type) {	164	switch (kbd_type) {
163	#ifdef CONFIG_Z8530	165	#ifdef CONFIG_Z8530
164	case KBD_Z8530:	166	case KBD_Z8530:
165	devno = device_assign_devno();	167	devno = device_assign_devno();
166	z8530 = (z8530_t *) hw_map(aligned_addr, offset + size) +	168	z8530 = (z8530_t *) hw_map(aligned_addr, offset + size) +
167	offset;	169	offset;
168	kbrd_init(stdin);	170	kbrd_init(stdin);
169	(void) z8530_init(z8530, devno, inr, cir, cir_arg, &kbrdin);	171	(void) z8530_init(z8530, devno, inr, cir, cir_arg, &kbrdin);
170		172
171	/*	173	/*
172	* This is the necessary evil until the userspace drivers are	174	* This is the necessary evil until the userspace drivers are
173	* entirely self-sufficient.	175	* entirely self-sufficient.
174	*/	176	*/
175	sysinfo_set_item_val("kbd", NULL, true);	177	sysinfo_set_item_val("kbd", NULL, true);
176	sysinfo_set_item_val("kbd.type", NULL, KBD_Z8530);	178	sysinfo_set_item_val("kbd.type", NULL, KBD_Z8530);
177	sysinfo_set_item_val("kbd.devno", NULL, devno);	179	sysinfo_set_item_val("kbd.devno", NULL, devno);
178	sysinfo_set_item_val("kbd.inr", NULL, inr);	180	sysinfo_set_item_val("kbd.inr", NULL, inr);
179	sysinfo_set_item_val("kbd.address.kernel", NULL,	181	sysinfo_set_item_val("kbd.address.kernel", NULL,
180	(uintptr_t) z8530);	182	(uintptr_t) z8530);
181	sysinfo_set_item_val("kbd.address.physical", NULL, pa);	183	sysinfo_set_item_val("kbd.address.physical", NULL, pa);
182	break;	184	break;
183	#endif	185	#endif
184	#ifdef CONFIG_NS16550	186	#ifdef CONFIG_NS16550
185	case KBD_NS16550:	187	case KBD_NS16550:
186	devno = device_assign_devno();	188	devno = device_assign_devno();
187	ns16550 = (ns16550_t *) hw_map(aligned_addr, offset + size) +	189	ns16550 = (ns16550_t *) hw_map(aligned_addr, offset + size) +
188	offset;	190	offset;
189	kbrd_init(stdin);	191	kbrd_init(stdin);
190	(void) ns16550_init(ns16550, devno, inr, cir, cir_arg, &kbrdin);	192	(void) ns16550_init(ns16550, devno, inr, cir, cir_arg, &kbrdin);
191		193
192	/*	194	/*
193	* This is the necessary evil until the userspace driver is	195	* This is the necessary evil until the userspace driver is
194	* entirely self-sufficient.	196	* entirely self-sufficient.
195	*/	197	*/
196	sysinfo_set_item_val("kbd", NULL, true);	198	sysinfo_set_item_val("kbd", NULL, true);
197	sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);	199	sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);
198	sysinfo_set_item_val("kbd.devno", NULL, devno);	200	sysinfo_set_item_val("kbd.devno", NULL, devno);
199	sysinfo_set_item_val("kbd.inr", NULL, inr);	201	sysinfo_set_item_val("kbd.inr", NULL, inr);
200	sysinfo_set_item_val("kbd.address.kernel", NULL,	202	sysinfo_set_item_val("kbd.address.kernel", NULL,
201	(uintptr_t) ns16550);	203	(uintptr_t) ns16550);
202	sysinfo_set_item_val("kbd.address.physical", NULL, pa);	204	sysinfo_set_item_val("kbd.address.physical", NULL, pa);
203	break;	205	break;
204	#endif	206	#endif
205	default:	207	default:
206	printf("Kernel is not compiled with the necessary keyboard "	208	printf("Kernel is not compiled with the necessary keyboard "
207	"driver this machine requires.\n");	209	"driver this machine requires.\n");
208	}	210	}
209	}	211	}
210		212
-		213	#endif
211	/** @}	214	/** @}
212	*/	215	*/
213		216

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(root)/trunk/kernel/arch/sparc64/src/drivers/kbd.c @ 4110 – Rev 4042 → 4070