WebSVN – HelenOS – Diff – /branches/dynload/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>
 
volatile uint8_t *kbd_virt_address = NULL;
 
kbd_type_t kbd_type = KBD_UNKNOWN;
 
static irq_t kbd_irq;
 
/** 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;
    int inr;
   
    irq_initialize(&kbd_irq);
   
    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;
        } else {
            kbd_irq.inr = inr;
            kbd_irq.devno = device_assign_devno();
            kbd_irq.trigger = IRQ_TRIGGER_LEVEL;
            kbd_irq.claim = z8530_claim;
            kbd_irq.handler = z8530_irq_handler;
            irq_register(&kbd_irq);
        }
        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;
        } else {
            kbd_irq.inr = inr;
            kbd_irq.devno = device_assign_devno();
            kbd_irq.trigger = IRQ_TRIGGER_LEVEL;
            kbd_irq.claim = ns16550_claim;
            kbd_irq.handler = ns16550_irq_handler;
            irq_register(&kbd_irq);
        }
        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;
    kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + size) + offset;
 
    switch (kbd_type) {
#ifdef CONFIG_Z8530
    case KBD_Z8530:
        z8530_init();
        break;
#endif
#ifdef CONFIG_NS16550
    case KBD_NS16550:
        ns16550_init();
        break;
#endif
    default:
        printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");
    }
}
 
/** @}
 */
 

Rev 1919	Rev 1920
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 <irq.h>	44	#include <ddi/irq.h>
44	#include <arch/mm/page.h>	45	#include <arch/mm/page.h>
45	#include <arch/types.h>	46	#include <arch/types.h>
46	#include <typedefs.h>	47	#include <typedefs.h>
47	#include <align.h>	48	#include <align.h>
48	#include <func.h>	49	#include <func.h>
49	#include <print.h>	50	#include <print.h>
50		51
51	volatile uint8_t *kbd_virt_address = NULL;	52	volatile uint8_t *kbd_virt_address = NULL;
52		53
53	kbd_type_t kbd_type = KBD_UNKNOWN;	54	kbd_type_t kbd_type = KBD_UNKNOWN;
54		55
55	static irq_t kbd_irq;	56	static irq_t kbd_irq;
56		57
57	/** Initialize keyboard.	58	/** Initialize keyboard.
58	*	59	*
59	* Traverse OpenFirmware device tree in order to find necessary	60	* Traverse OpenFirmware device tree in order to find necessary
60	* info about the keyboard device.	61	* info about the keyboard device.
61	*	62	*
62	* @param node Keyboard device node.	63	* @param node Keyboard device node.
63	*/	64	*/
64	void kbd_init(ofw_tree_node_t *node)	65	void kbd_init(ofw_tree_node_t *node)
65	{	66	{
66	size_t offset;	67	size_t offset;
67	uintptr_t aligned_addr;	68	uintptr_t aligned_addr;
68	ofw_tree_property_t *prop;	69	ofw_tree_property_t *prop;
69	const char *name;	70	const char *name;
70		71
71	name = ofw_tree_node_name(node);	72	name = ofw_tree_node_name(node);
72		73
73	/*	74	/*
74	* Determine keyboard serial controller type.	75	* Determine keyboard serial controller type.
75	*/	76	*/
76	if (strcmp(name, "zs") == 0)	77	if (strcmp(name, "zs") == 0)
77	kbd_type = KBD_Z8530;	78	kbd_type = KBD_Z8530;
78	else if (strcmp(name, "su") == 0)	79	else if (strcmp(name, "su") == 0)
79	kbd_type = KBD_NS16550;	80	kbd_type = KBD_NS16550;
80		81
81	if (kbd_type == KBD_UNKNOWN) {	82	if (kbd_type == KBD_UNKNOWN) {
82	printf("Unknown keyboard device.\n");	83	printf("Unknown keyboard device.\n");
83	return;	84	return;
84	}	85	}
85		86
86	/*	87	/*
87	* Read 'interrupts' property.	88	* Read 'interrupts' property.
88	*/	89	*/
89	uint32_t interrupts;	90	uint32_t interrupts;
90	prop = ofw_tree_getprop(node, "interrupts");	91	prop = ofw_tree_getprop(node, "interrupts");
91	if (!prop \|\| !prop->value)	92	if (!prop \|\| !prop->value)
92	panic("Can't find \"interrupts\" property.\n");	93	panic("Can't find \"interrupts\" property.\n");
93	interrupts = ((uint32_t ) prop->value);	94	interrupts = ((uint32_t ) prop->value);
94		95
95	/*	96	/*
96	* Read 'reg' property.	97	* Read 'reg' property.
97	*/	98	*/
98	prop = ofw_tree_getprop(node, "reg");	99	prop = ofw_tree_getprop(node, "reg");
99	if (!prop \|\| !prop->value)	100	if (!prop \|\| !prop->value)
100	panic("Can't find \"reg\" property.\n");	101	panic("Can't find \"reg\" property.\n");
101		102
102	uintptr_t pa;	103	uintptr_t pa;
103	size_t size;	104	size_t size;
104	int inr;	105	int inr;
105		106
106	irq_initialize(&kbd_irq);	107	irq_initialize(&kbd_irq);
107		108
108	switch (kbd_type) {	109	switch (kbd_type) {
109	case KBD_Z8530:	110	case KBD_Z8530:
110	size = ((ofw_fhc_reg_t *) prop->value)->size;	111	size = ((ofw_fhc_reg_t *) prop->value)->size;
111	if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {	112	if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {
112	printf("Failed to determine keyboard address.\n");	113	printf("Failed to determine keyboard address.\n");
113	return;	114	return;
114	}	115	}
115	if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {	116	if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {
116	printf("Failed to determine keyboard interrupt.\n");	117	printf("Failed to determine keyboard interrupt.\n");
117	return;	118	return;
118	} else {	119	} else {
119	kbd_irq.inr = inr;	120	kbd_irq.inr = inr;
120	kbd_irq.devno = 0; /* FIXME: assign unique devno */	121	kbd_irq.devno = device_assign_devno();
121	kbd_irq.trigger = IRQ_TRIGGER_LEVEL;	122	kbd_irq.trigger = IRQ_TRIGGER_LEVEL;
122	kbd_irq.claim = z8530_claim;	123	kbd_irq.claim = z8530_claim;
123	kbd_irq.handler = z8530_irq_handler;	124	kbd_irq.handler = z8530_irq_handler;
124	irq_register(&kbd_irq);	125	irq_register(&kbd_irq);
125	}	126	}
126	break;	127	break;
127		128
128	case KBD_NS16550:	129	case KBD_NS16550:
129	size = ((ofw_ebus_reg_t *) prop->value)->size;	130	size = ((ofw_ebus_reg_t *) prop->value)->size;
130	if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {	131	if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {
131	printf("Failed to determine keyboard address.\n");	132	printf("Failed to determine keyboard address.\n");
132	return;	133	return;
133	}	134	}
134	if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {	135	if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {
135	printf("Failed to determine keyboard interrupt.\n");	136	printf("Failed to determine keyboard interrupt.\n");
136	return;	137	return;
137	} else {	138	} else {
138	kbd_irq.inr = inr;	139	kbd_irq.inr = inr;
139	kbd_irq.devno = 0; /* FIXME: assign unique devno */	140	kbd_irq.devno = device_assign_devno();
140	kbd_irq.trigger = IRQ_TRIGGER_LEVEL;	141	kbd_irq.trigger = IRQ_TRIGGER_LEVEL;
141	kbd_irq.claim = ns16550_claim;	142	kbd_irq.claim = ns16550_claim;
142	kbd_irq.handler = ns16550_irq_handler;	143	kbd_irq.handler = ns16550_irq_handler;
143	irq_register(&kbd_irq);	144	irq_register(&kbd_irq);
144	}	145	}
145	break;	146	break;
146		147
147	default:	148	default:
148	panic("Unexpected type.\n");	149	panic("Unexpected type.\n");
149	}	150	}
150		151
151	/*	152	/*
152	* We need to pass aligned address to hw_map().	153	* We need to pass aligned address to hw_map().
153	* However, the physical keyboard address can	154	* However, the physical keyboard address can
154	* be pretty much unaligned, depending on the	155	* be pretty much unaligned, depending on the
155	* underlying controller.	156	* underlying controller.
156	*/	157	*/
157	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);	158	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
158	offset = pa - aligned_addr;	159	offset = pa - aligned_addr;
159	kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + size) + offset;	160	kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + size) + offset;
160		161
161	switch (kbd_type) {	162	switch (kbd_type) {
162	#ifdef CONFIG_Z8530	163	#ifdef CONFIG_Z8530
163	case KBD_Z8530:	164	case KBD_Z8530:
164	z8530_init();	165	z8530_init();
165	break;	166	break;
166	#endif	167	#endif
167	#ifdef CONFIG_NS16550	168	#ifdef CONFIG_NS16550
168	case KBD_NS16550:	169	case KBD_NS16550:
169	ns16550_init();	170	ns16550_init();
170	break;	171	break;
171	#endif	172	#endif
172	default:	173	default:
173	printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");	174	printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");
174	}	175	}
175	}	176	}
176		177
177	/** @}	178	/** @}
178	*/	179	*/
179		180

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(root)/branches/dynload/kernel/arch/sparc64/src/drivers/kbd.c @ 3674 – Rev 1919 → 1920