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;
   
    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 2071	Rev 2089
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>	-
48	#include <align.h>	47	#include <align.h>
49	#include <func.h>	48	#include <func.h>
50	#include <print.h>	49	#include <print.h>
51		50
52	kbd_type_t kbd_type = KBD_UNKNOWN;	51	kbd_type_t kbd_type = KBD_UNKNOWN;
53		52
54	/** Initialize keyboard.	53	/** Initialize keyboard.
55	*	54	*
56	* Traverse OpenFirmware device tree in order to find necessary	55	* Traverse OpenFirmware device tree in order to find necessary
57	* info about the keyboard device.	56	* info about the keyboard device.
58	*	57	*
59	* @param node Keyboard device node.	58	* @param node Keyboard device node.
60	*/	59	*/
61	void kbd_init(ofw_tree_node_t *node)	60	void kbd_init(ofw_tree_node_t *node)
62	{	61	{
63	size_t offset;	62	size_t offset;
64	uintptr_t aligned_addr;	63	uintptr_t aligned_addr;
65	ofw_tree_property_t *prop;	64	ofw_tree_property_t *prop;
66	const char *name;	65	const char *name;
67		66
68	name = ofw_tree_node_name(node);	67	name = ofw_tree_node_name(node);
69		68
70	/*	69	/*
71	* Determine keyboard serial controller type.	70	* Determine keyboard serial controller type.
72	*/	71	*/
73	if (strcmp(name, "zs") == 0)	72	if (strcmp(name, "zs") == 0)
74	kbd_type = KBD_Z8530;	73	kbd_type = KBD_Z8530;
75	else if (strcmp(name, "su") == 0)	74	else if (strcmp(name, "su") == 0)
76	kbd_type = KBD_NS16550;	75	kbd_type = KBD_NS16550;
77		76
78	if (kbd_type == KBD_UNKNOWN) {	77	if (kbd_type == KBD_UNKNOWN) {
79	printf("Unknown keyboard device.\n");	78	printf("Unknown keyboard device.\n");
80	return;	79	return;
81	}	80	}
82		81
83	/*	82	/*
84	* Read 'interrupts' property.	83	* Read 'interrupts' property.
85	*/	84	*/
86	uint32_t interrupts;	85	uint32_t interrupts;
87	prop = ofw_tree_getprop(node, "interrupts");	86	prop = ofw_tree_getprop(node, "interrupts");
88	if (!prop \|\| !prop->value)	87	if (!prop \|\| !prop->value)
89	panic("Can't find \"interrupts\" property.\n");	88	panic("Can't find \"interrupts\" property.\n");
90	interrupts = ((uint32_t ) prop->value);	89	interrupts = ((uint32_t ) prop->value);
91		90
92	/*	91	/*
93	* Read 'reg' property.	92	* Read 'reg' property.
94	*/	93	*/
95	prop = ofw_tree_getprop(node, "reg");	94	prop = ofw_tree_getprop(node, "reg");
96	if (!prop \|\| !prop->value)	95	if (!prop \|\| !prop->value)
97	panic("Can't find \"reg\" property.\n");	96	panic("Can't find \"reg\" property.\n");
98		97
99	uintptr_t pa;	98	uintptr_t pa;
100	size_t size;	99	size_t size;
101	inr_t inr;	100	inr_t inr;
102	devno_t devno = device_assign_devno();	101	devno_t devno = device_assign_devno();
103		102
104	switch (kbd_type) {	103	switch (kbd_type) {
105	case KBD_Z8530:	104	case KBD_Z8530:
106	size = ((ofw_fhc_reg_t *) prop->value)->size;	105	size = ((ofw_fhc_reg_t *) prop->value)->size;
107	if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {	106	if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {
108	printf("Failed to determine keyboard address.\n");	107	printf("Failed to determine keyboard address.\n");
109	return;	108	return;
110	}	109	}
111	if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {	110	if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {
112	printf("Failed to determine keyboard interrupt.\n");	111	printf("Failed to determine keyboard interrupt.\n");
113	return;	112	return;
114	}	113	}
115	break;	114	break;
116		115
117	case KBD_NS16550:	116	case KBD_NS16550:
118	size = ((ofw_ebus_reg_t *) prop->value)->size;	117	size = ((ofw_ebus_reg_t *) prop->value)->size;
119	if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {	118	if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {
120	printf("Failed to determine keyboard address.\n");	119	printf("Failed to determine keyboard address.\n");
121	return;	120	return;
122	}	121	}
123	if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {	122	if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {
124	printf("Failed to determine keyboard interrupt.\n");	123	printf("Failed to determine keyboard interrupt.\n");
125	return;	124	return;
126	};	125	};
127	break;	126	break;
128		127
129	default:	128	default:
130	panic("Unexpected type.\n");	129	panic("Unexpected type.\n");
131	}	130	}
132		131
133	/*	132	/*
134	* We need to pass aligned address to hw_map().	133	* We need to pass aligned address to hw_map().
135	* However, the physical keyboard address can	134	* However, the physical keyboard address can
136	* be pretty much unaligned, depending on the	135	* be pretty much unaligned, depending on the
137	* underlying controller.	136	* underlying controller.
138	*/	137	*/
139	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);	138	aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
140	offset = pa - aligned_addr;	139	offset = pa - aligned_addr;
141	uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset;	140	uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset;
142		141
143	switch (kbd_type) {	142	switch (kbd_type) {
144	#ifdef CONFIG_Z8530	143	#ifdef CONFIG_Z8530
145	case KBD_Z8530:	144	case KBD_Z8530:
146	z8530_init(devno, inr, vaddr);	145	z8530_init(devno, inr, vaddr);
147	break;	146	break;
148	#endif	147	#endif
149	#ifdef CONFIG_NS16550	148	#ifdef CONFIG_NS16550
150	case KBD_NS16550:	149	case KBD_NS16550:
151	ns16550_init(devno, inr, vaddr);	150	ns16550_init(devno, inr, vaddr);
152	break;	151	break;
153	#endif	152	#endif
154	default:	153	default:
155	printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");	154	printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");
156	}	155	}
157	}	156	}
158		157
159	/** @}	158	/** @}
160	*/	159	*/
161		160

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/drivers/kbd.c – Rev 2071 → 2089