WebSVN – HelenOS – Diff – /branches/tracing/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 <genarch/fb/visuals.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;
    unsigned int visual;
 
    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;
        }
       
        switch (fb_depth) {
        case 8:
            fb_scanline = fb_linebytes * (fb_depth >> 3);
            visual = VISUAL_INDIRECT_8;
            break;
        case 16:
            fb_scanline = fb_linebytes * (fb_depth >> 3);
            visual = VISUAL_RGB_5_6_5;
            break;
        case 24:
            fb_scanline = fb_linebytes * 4;
            visual = VISUAL_RGB_8_8_8_0;
            break;
        case 32:
            fb_scanline = fb_linebytes * (fb_depth >> 3);
            visual = VISUAL_RGB_0_8_8_8;
            break;
        default:
            printf("Unsupported bits per pixel.\n");
            return;
        }
       
        break;
    case SCR_FFB:  
 
        fb_scanline = 8192;
        visual = VISUAL_RGB_0_8_8_8;
 
        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_scanline, visual);
}
 
/** @}
 */
 

Rev 1986	Rev 1993
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 <genarch/fb/visuals.h>
38	#include <arch/types.h>	39	#include <arch/types.h>
39	#include <typedefs.h>	40	#include <typedefs.h>
40	#include <func.h>	41	#include <func.h>
41	#include <align.h>	42	#include <align.h>
42	#include <print.h>	43	#include <print.h>
43		44
44	#define FFB_REG_24BPP 7	45	#define FFB_REG_24BPP 7
45		46
46	scr_type_t scr_type = SCR_UNKNOWN;	47	scr_type_t scr_type = SCR_UNKNOWN;
47		48
48	/** Initialize screen.	49	/** Initialize screen.
49	*	50	*
50	* Traverse OpenFirmware device tree in order to find necessary	51	* Traverse OpenFirmware device tree in order to find necessary
51	* info about the screen device.	52	* info about the screen device.
52	*	53	*
53	* @param node Screen device node.	54	* @param node Screen device node.
54	*/	55	*/
55	void scr_init(ofw_tree_node_t *node)	56	void scr_init(ofw_tree_node_t *node)
56	{	57	{
57	ofw_tree_property_t *prop;	58	ofw_tree_property_t *prop;
58	const char *name;	59	const char *name;
59		60
60	name = ofw_tree_node_name(node);	61	name = ofw_tree_node_name(node);
61		62
62	if (strcmp(name, "SUNW,m64B") == 0)	63	if (strcmp(name, "SUNW,m64B") == 0)
63	scr_type = SCR_ATYFB;	64	scr_type = SCR_ATYFB;
64	else if (strcmp(name, "SUNW,ffb") == 0)	65	else if (strcmp(name, "SUNW,ffb") == 0)
65	scr_type = SCR_FFB;	66	scr_type = SCR_FFB;
66		67
67	if (scr_type == SCR_UNKNOWN) {	68	if (scr_type == SCR_UNKNOWN) {
68	printf("Unknown keyboard device.\n");	69	printf("Unknown keyboard device.\n");
69	return;	70	return;
70	}	71	}
71		72
72	uintptr_t fb_addr;	73	uintptr_t fb_addr;
73	uint32_t fb_width = 0;	74	uint32_t fb_width = 0;
74	uint32_t fb_height = 0;	75	uint32_t fb_height = 0;
75	uint32_t fb_depth = 0;	76	uint32_t fb_depth = 0;
76	uint32_t fb_linebytes = 0;	77	uint32_t fb_linebytes = 0;
77	uint32_t fb_scanline = 0;	78	uint32_t fb_scanline = 0;
-		79	unsigned int visual;
78		80
79	prop = ofw_tree_getprop(node, "width");	81	prop = ofw_tree_getprop(node, "width");
80	if (prop && prop->value)	82	if (prop && prop->value)
81	fb_width = ((uint32_t ) prop->value);	83	fb_width = ((uint32_t ) prop->value);
82		84
83	prop = ofw_tree_getprop(node, "height");	85	prop = ofw_tree_getprop(node, "height");
84	if (prop && prop->value)	86	if (prop && prop->value)
85	fb_height = ((uint32_t ) prop->value);	87	fb_height = ((uint32_t ) prop->value);
86		88
87	prop = ofw_tree_getprop(node, "depth");	89	prop = ofw_tree_getprop(node, "depth");
88	if (prop && prop->value)	90	if (prop && prop->value)
89	fb_depth = ((uint32_t ) prop->value);	91	fb_depth = ((uint32_t ) prop->value);
90		92
91	prop = ofw_tree_getprop(node, "linebytes");	93	prop = ofw_tree_getprop(node, "linebytes");
92	if (prop && prop->value)	94	if (prop && prop->value)
93	fb_linebytes = ((uint32_t ) prop->value);	95	fb_linebytes = ((uint32_t ) prop->value);
94		96
95	prop = ofw_tree_getprop(node, "reg");	97	prop = ofw_tree_getprop(node, "reg");
96	if (!prop)	98	if (!prop)
97	panic("Can't find \"reg\" property.\n");	99	panic("Can't find \"reg\" property.\n");
98		100
99	switch (scr_type) {	101	switch (scr_type) {
100	case SCR_ATYFB:	102	case SCR_ATYFB:
101	if (prop->size / sizeof(ofw_pci_reg_t) < 2) {	103	if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
102	printf("Too few screen registers.\n");	104	printf("Too few screen registers.\n");
103	return;	105	return;
104	}	106	}
105		107
106	ofw_pci_reg_t fb_reg = &((ofw_pci_reg_t ) prop->value)[1];	108	ofw_pci_reg_t fb_reg = &((ofw_pci_reg_t ) prop->value)[1];
107	ofw_pci_reg_t abs_reg;	109	ofw_pci_reg_t abs_reg;
108		110
109	if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {	111	if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {
110	printf("Failed to absolutize fb register.\n");	112	printf("Failed to absolutize fb register.\n");
111	return;	113	return;
112	}	114	}
113		115
114	if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {	116	if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {
115	printf("Failed to determine screen address.\n");	117	printf("Failed to determine screen address.\n");
116	return;	118	return;
117	}	119	}
118		120
119	if (fb_depth == 24)	121	switch (fb_depth) {
-		122	case 8:
-		123	fb_scanline = fb_linebytes * (fb_depth >> 3);
-		124	visual = VISUAL_INDIRECT_8;
-		125	break;
-		126	case 16:
-		127	fb_scanline = fb_linebytes * (fb_depth >> 3);
-		128	visual = VISUAL_RGB_5_6_5;
-		129	break;
-		130	case 24:
120	fb_scanline = fb_linebytes * 4;	131	fb_scanline = fb_linebytes * 4;
-		132	visual = VISUAL_RGB_8_8_8_0;
-		133	break;
121	else	134	case 32:
122	fb_scanline = fb_linebytes * (fb_depth >> 3);	135	fb_scanline = fb_linebytes * (fb_depth >> 3);
-		136	visual = VISUAL_RGB_0_8_8_8;
-		137	break;
-		138	default:
-		139	printf("Unsupported bits per pixel.\n");
-		140	return;
-		141	}
123		142
124	break;	143	break;
125	case SCR_FFB:	144	case SCR_FFB:
126	fb_depth = 32;	-
127	fb_scanline = 8192;	145	fb_scanline = 8192;
-		146	visual = VISUAL_RGB_0_8_8_8;
128		147
129	ofw_upa_reg_t reg = &((ofw_upa_reg_t ) prop->value)[FFB_REG_24BPP];	148	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)) {	149	if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) {
131	printf("Failed to determine screen address.\n");	150	printf("Failed to determine screen address.\n");
132	return;	151	return;
133	}	152	}
134		153
135	break;	154	break;
136	default:	155	default:
137	panic("Unexpected type.\n");	156	panic("Unexpected type.\n");
138	}	157	}
139		158
140	fb_init(fb_addr, fb_width, fb_height, fb_depth, fb_scanline, true);	159	fb_init(fb_addr, fb_width, fb_height, fb_scanline, visual);
141	}	160	}
142		161
143	/** @}	162	/** @}
144	*/	163	*/
145		164

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(root)/branches/tracing/kernel/arch/sparc64/src/drivers/scr.c @ 4688 – Rev 1986 → 1993