WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/src/drivers/scr.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/scr.h>
#include <genarch/ofw/ofw_tree.h>
#include <genarch/fb/fb.h>
#include <arch/types.h>
#include <typedefs.h>
#include <func.h>
#include <align.h>
#include <print.h>
 
#define FFB_REG_24BPP   7
 
scr_type_t scr_type = SCR_UNKNOWN;
 
/** Initialize screen.
 *
 * Traverse OpenFirmware device tree in order to find necessary
 * info about the screen device.
 *
 * @param node Screen device node.
 */
void scr_init(ofw_tree_node_t *node)
{
    ofw_tree_property_t *prop;
    const char *name;
   
    name = ofw_tree_node_name(node);
   
    if (strcmp(name, "SUNW,m64B") == 0)
        scr_type = SCR_ATYFB;
    else if (strcmp(name, "SUNW,ffb") == 0)
        scr_type = SCR_FFB;
   
    if (scr_type == SCR_UNKNOWN) {
        printf("Unknown keyboard device.\n");
        return;
    }
   
    uintptr_t fb_addr;
    uint32_t fb_width = 0;
    uint32_t fb_height = 0;
    uint32_t fb_depth = 0;
    uint32_t fb_linebytes = 0;
    uint32_t fb_scanline = 0;
 
    prop = ofw_tree_getprop(node, "width");
    if (prop && prop->value)
        fb_width = *((uint32_t *) prop->value);
 
    prop = ofw_tree_getprop(node, "height");
    if (prop && prop->value)
        fb_height = *((uint32_t *) prop->value);
 
    prop = ofw_tree_getprop(node, "depth");
    if (prop && prop->value)
        fb_depth = *((uint32_t *) prop->value);
 
    prop = ofw_tree_getprop(node, "linebytes");
    if (prop && prop->value)
        fb_linebytes = *((uint32_t *) prop->value);
 
    prop = ofw_tree_getprop(node, "reg");
    if (!prop)
        panic("Can't find \"reg\" property.\n");
 
    switch (scr_type) {
    case SCR_ATYFB:
        if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
            printf("Too few screen registers.\n");
            return;
        }
   
        ofw_pci_reg_t *fb_reg = &((ofw_pci_reg_t *) prop->value)[1];
        ofw_pci_reg_t abs_reg;
       
        if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {
            printf("Failed to absolutize fb register.\n");
            return;
        }
   
        if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {
            printf("Failed to determine screen address.\n");
            return;
        }
 
        if (fb_depth == 24)
            fb_scanline = fb_linebytes * 4;
        else
            fb_scanline = fb_linebytes * (fb_depth >> 3);
       
        break;
    case SCR_FFB:  
        fb_depth = 24;
        fb_scanline = 8192;
 
        ofw_upa_reg_t *reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP];
        if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) {
            printf("Failed to determine screen address.\n");
            return;
        }
 
        break;
    default:
        panic("Unexpected type.\n");
    }
 
    fb_init(fb_addr, fb_width, fb_height, fb_depth, fb_scanline, true);
}
 
/** @}
 */
 

Rev 1897	Rev 1898
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/scr.h>	35	#include <arch/drivers/scr.h>
36	#include <genarch/ofw/ofw_tree.h>	36	#include <genarch/ofw/ofw_tree.h>
37	#include <genarch/fb/fb.h>	37	#include <genarch/fb/fb.h>
38	#include <arch/types.h>	38	#include <arch/types.h>
39	#include <typedefs.h>	39	#include <typedefs.h>
40	#include <func.h>	40	#include <func.h>
41	#include <align.h>	41	#include <align.h>
42	#include <print.h>	42	#include <print.h>
43		43
-		44	#define FFB_REG_24BPP 7
-		45
44	scr_type_t scr_type = SCR_UNKNOWN;	46	scr_type_t scr_type = SCR_UNKNOWN;
45		47
46	/** Initialize screen.	48	/** Initialize screen.
47	*	49	*
48	* Traverse OpenFirmware device tree in order to find necessary	50	* Traverse OpenFirmware device tree in order to find necessary
49	* info about the screen device.	51	* info about the screen device.
50	*	52	*
51	* @param node Screen device node.	53	* @param node Screen device node.
52	*/	54	*/
53	void scr_init(ofw_tree_node_t *node)	55	void scr_init(ofw_tree_node_t *node)
54	{	56	{
55	ofw_tree_property_t *prop;	57	ofw_tree_property_t *prop;
56	const char *name;	58	const char *name;
57		59
58	name = ofw_tree_node_name(node);	60	name = ofw_tree_node_name(node);
59		61
60	if (strcmp(name, "SUNW,m64B") == 0)	62	if (strcmp(name, "SUNW,m64B") == 0)
61	scr_type = SCR_ATYFB;	63	scr_type = SCR_ATYFB;
62	else if (strcmp(name, "SUNW,ffb") == 0)	64	else if (strcmp(name, "SUNW,ffb") == 0)
63	scr_type = SCR_FFB;	65	scr_type = SCR_FFB;
64		66
65	if (scr_type == SCR_UNKNOWN) {	67	if (scr_type == SCR_UNKNOWN) {
66	printf("Unknown keyboard device.\n");	68	printf("Unknown keyboard device.\n");
67	return;	69	return;
68	}	70	}
69		71
70	uintptr_t fb_addr;	72	uintptr_t fb_addr;
71	uint32_t fb_width = 0;	73	uint32_t fb_width = 0;
72	uint32_t fb_height = 0;	74	uint32_t fb_height = 0;
73	uint32_t fb_depth = 0;	75	uint32_t fb_depth = 0;
74	uint32_t fb_linebytes = 0;	76	uint32_t fb_linebytes = 0;
75	uint32_t fb_scanline = 0;	77	uint32_t fb_scanline = 0;
76		78
77	prop = ofw_tree_getprop(node, "width");	79	prop = ofw_tree_getprop(node, "width");
78	if (prop && prop->value)	80	if (prop && prop->value)
79	fb_width = ((uint32_t ) prop->value);	81	fb_width = ((uint32_t ) prop->value);
80		82
81	prop = ofw_tree_getprop(node, "height");	83	prop = ofw_tree_getprop(node, "height");
82	if (prop && prop->value)	84	if (prop && prop->value)
83	fb_height = ((uint32_t ) prop->value);	85	fb_height = ((uint32_t ) prop->value);
84		86
85	prop = ofw_tree_getprop(node, "depth");	87	prop = ofw_tree_getprop(node, "depth");
86	if (prop && prop->value)	88	if (prop && prop->value)
87	fb_depth = ((uint32_t ) prop->value);	89	fb_depth = ((uint32_t ) prop->value);
88		90
89	prop = ofw_tree_getprop(node, "linebytes");	91	prop = ofw_tree_getprop(node, "linebytes");
90	if (prop && prop->value)	92	if (prop && prop->value)
91	fb_linebytes = ((uint32_t ) prop->value);	93	fb_linebytes = ((uint32_t ) prop->value);
92		94
93	prop = ofw_tree_getprop(node, "reg");	95	prop = ofw_tree_getprop(node, "reg");
94	if (!prop)	96	if (!prop)
95	panic("Can't find \"reg\" property.\n");	97	panic("Can't find \"reg\" property.\n");
96		98
97	switch (scr_type) {	99	switch (scr_type) {
98	case SCR_ATYFB:	100	case SCR_ATYFB:
99	if (prop->size / sizeof(ofw_pci_reg_t) < 2) {	101	if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
100	printf("Too few screen registers.\n");	102	printf("Too few screen registers.\n");
101	return;	103	return;
102	}	104	}
103		105
104	ofw_pci_reg_t fb_reg = &((ofw_pci_reg_t ) prop->value)[1];	106	ofw_pci_reg_t fb_reg = &((ofw_pci_reg_t ) prop->value)[1];
105	ofw_pci_reg_t abs_reg;	107	ofw_pci_reg_t abs_reg;
106		108
107	if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {	109	if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {
108	printf("Failed to absolutize fb register.\n");	110	printf("Failed to absolutize fb register.\n");
109	return;	111	return;
110	}	112	}
111		113
112	if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {	114	if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {
113	printf("Failed to determine screen address.\n");	115	printf("Failed to determine screen address.\n");
114	return;	116	return;
115	}	117	}
116		118
117	if (fb_depth == 24)	119	if (fb_depth == 24)
118	fb_scanline = fb_linebytes * 4;	120	fb_scanline = fb_linebytes * 4;
119	else	121	else
120	fb_scanline = fb_linebytes * (fb_depth >> 3);	122	fb_scanline = fb_linebytes * (fb_depth >> 3);
121		123
122	break;	124	break;
123	case SCR_FFB:	125	case SCR_FFB:
-		126	fb_depth = 24;
-		127	fb_scanline = 8192;
-		128
-		129	ofw_upa_reg_t reg = &((ofw_upa_reg_t ) prop->value)[FFB_REG_24BPP];
-		130	if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) {
-		131	printf("Failed to determine screen address.\n");
-		132	return;
-		133	}
-		134
-		135	break;
124	default:	136	default:
125	panic("Unexpected type.\n");	137	panic("Unexpected type.\n");
126	}	138	}
127		139
128	fb_init(fb_addr, fb_width, fb_height, fb_depth, fb_scanline, true);	140	fb_init(fb_addr, fb_width, fb_height, fb_depth, fb_scanline, true);
129	}	141	}
130		142
131	/** @}	143	/** @}
132	*/	144	*/
133		145

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/drivers/scr.c – Rev 1897 → 1898