WebSVN – HelenOS – Diff – /branches/sparc/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 <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;
    else if (strcmp(name, "cgsix") == 0)
        scr_type = SCR_CGSIX;
   
    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_BGR_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;
    case SCR_CGSIX:
        switch (fb_depth) {
        case 8:
            fb_scanline = fb_linebytes;
            visual = VISUAL_INDIRECT_8;
            break;
        default:
            printf("Not implemented.\n");
            return;
        }
       
        ofw_sbus_reg_t *cg6_reg = &((ofw_sbus_reg_t *) prop->value)[0];
        if (!ofw_sbus_apply_ranges(node->parent, cg6_reg, &fb_addr)) {
            printf("Failed to determine screen address.\n");
            return;
        }
   
        break;
    default:
        panic("Unexpected type.\n");
    }
 
    fb_properties_t props;
    props.addr = fb_addr;
    props.fb_start = 0;
    props.x = fb_width;
    props.y = fb_height;
    props.scan = fb_scanline;
    props.visual = visual;
    fb_init(&props);
}
 
/** @}
 */
 

Rev 3343	Rev 3618
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 <genarch/fb/visuals.h>
39	#include <arch/types.h>	39	#include <arch/types.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	44	#define FFB_REG_24BPP 7
45		45
46	scr_type_t scr_type = SCR_UNKNOWN;	46	scr_type_t scr_type = SCR_UNKNOWN;
47		47
48	/** Initialize screen.	48	/** Initialize screen.
49	*	49	*
50	* Traverse OpenFirmware device tree in order to find necessary	50	* Traverse OpenFirmware device tree in order to find necessary
51	* info about the screen device.	51	* info about the screen device.
52	*	52	*
53	* @param node Screen device node.	53	* @param node Screen device node.
54	*/	54	*/
55	void scr_init(ofw_tree_node_t *node)	55	void scr_init(ofw_tree_node_t *node)
56	{	56	{
57	ofw_tree_property_t *prop;	57	ofw_tree_property_t *prop;
58	const char *name;	58	const char *name;
59		59
60	name = ofw_tree_node_name(node);	60	name = ofw_tree_node_name(node);
61		61
62	if (strcmp(name, "SUNW,m64B") == 0)	62	if (strcmp(name, "SUNW,m64B") == 0)
63	scr_type = SCR_ATYFB;	63	scr_type = SCR_ATYFB;
64	else if (strcmp(name, "SUNW,ffb") == 0)	64	else if (strcmp(name, "SUNW,ffb") == 0)
65	scr_type = SCR_FFB;	65	scr_type = SCR_FFB;
66	else if (strcmp(name, "cgsix") == 0)	66	else if (strcmp(name, "cgsix") == 0)
67	scr_type = SCR_CGSIX;	67	scr_type = SCR_CGSIX;
68		68
69	if (scr_type == SCR_UNKNOWN) {	69	if (scr_type == SCR_UNKNOWN) {
70	printf("Unknown keyboard device.\n");	70	printf("Unknown keyboard device.\n");
71	return;	71	return;
72	}	72	}
73		73
74	uintptr_t fb_addr;	74	uintptr_t fb_addr;
75	uint32_t fb_width = 0;	75	uint32_t fb_width = 0;
76	uint32_t fb_height = 0;	76	uint32_t fb_height = 0;
77	uint32_t fb_depth = 0;	77	uint32_t fb_depth = 0;
78	uint32_t fb_linebytes = 0;	78	uint32_t fb_linebytes = 0;
79	uint32_t fb_scanline = 0;	79	uint32_t fb_scanline = 0;
80	unsigned int visual;	80	unsigned int visual;
81		81
82	prop = ofw_tree_getprop(node, "width");	82	prop = ofw_tree_getprop(node, "width");
83	if (prop && prop->value)	83	if (prop && prop->value)
84	fb_width = ((uint32_t ) prop->value);	84	fb_width = ((uint32_t ) prop->value);
85		85
86	prop = ofw_tree_getprop(node, "height");	86	prop = ofw_tree_getprop(node, "height");
87	if (prop && prop->value)	87	if (prop && prop->value)
88	fb_height = ((uint32_t ) prop->value);	88	fb_height = ((uint32_t ) prop->value);
89		89
90	prop = ofw_tree_getprop(node, "depth");	90	prop = ofw_tree_getprop(node, "depth");
91	if (prop && prop->value)	91	if (prop && prop->value)
92	fb_depth = ((uint32_t ) prop->value);	92	fb_depth = ((uint32_t ) prop->value);
93		93
94	prop = ofw_tree_getprop(node, "linebytes");	94	prop = ofw_tree_getprop(node, "linebytes");
95	if (prop && prop->value)	95	if (prop && prop->value)
96	fb_linebytes = ((uint32_t ) prop->value);	96	fb_linebytes = ((uint32_t ) prop->value);
97		97
98	prop = ofw_tree_getprop(node, "reg");	98	prop = ofw_tree_getprop(node, "reg");
99	if (!prop)	99	if (!prop)
100	panic("Can't find \"reg\" property.\n");	100	panic("Can't find \"reg\" property.\n");
101		101
102	switch (scr_type) {	102	switch (scr_type) {
103	case SCR_ATYFB:	103	case SCR_ATYFB:
104	if (prop->size / sizeof(ofw_pci_reg_t) < 2) {	104	if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
105	printf("Too few screen registers.\n");	105	printf("Too few screen registers.\n");
106	return;	106	return;
107	}	107	}
108		108
109	ofw_pci_reg_t fb_reg = &((ofw_pci_reg_t ) prop->value)[1];	109	ofw_pci_reg_t fb_reg = &((ofw_pci_reg_t ) prop->value)[1];
110	ofw_pci_reg_t abs_reg;	110	ofw_pci_reg_t abs_reg;
111		111
112	if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {	112	if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {
113	printf("Failed to absolutize fb register.\n");	113	printf("Failed to absolutize fb register.\n");
114	return;	114	return;
115	}	115	}
116		116
117	if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {	117	if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {
118	printf("Failed to determine screen address.\n");	118	printf("Failed to determine screen address.\n");
119	return;	119	return;
120	}	120	}
121		121
122	switch (fb_depth) {	122	switch (fb_depth) {
123	case 8:	123	case 8:
124	fb_scanline = fb_linebytes * (fb_depth >> 3);	124	fb_scanline = fb_linebytes * (fb_depth >> 3);
125	visual = VISUAL_INDIRECT_8;	125	visual = VISUAL_INDIRECT_8;
126	break;	126	break;
127	case 16:	127	case 16:
128	fb_scanline = fb_linebytes * (fb_depth >> 3);	128	fb_scanline = fb_linebytes * (fb_depth >> 3);
129	visual = VISUAL_RGB_5_6_5;	129	visual = VISUAL_RGB_5_6_5;
130	break;	130	break;
131	case 24:	131	case 24:
132	fb_scanline = fb_linebytes * 4;	132	fb_scanline = fb_linebytes * 4;
133	visual = VISUAL_RGB_8_8_8_0;	133	visual = VISUAL_RGB_8_8_8_0;
134	break;	134	break;
135	case 32:	135	case 32:
136	fb_scanline = fb_linebytes * (fb_depth >> 3);	136	fb_scanline = fb_linebytes * (fb_depth >> 3);
137	visual = VISUAL_RGB_0_8_8_8;	137	visual = VISUAL_RGB_0_8_8_8;
138	break;	138	break;
139	default:	139	default:
140	printf("Unsupported bits per pixel.\n");	140	printf("Unsupported bits per pixel.\n");
141	return;	141	return;
142	}	142	}
143		143
144	break;	144	break;
145	case SCR_FFB:	145	case SCR_FFB:
146	fb_scanline = 8192;	146	fb_scanline = 8192;
147	visual = VISUAL_BGR_0_8_8_8;	147	visual = VISUAL_BGR_0_8_8_8;
148		148
149	ofw_upa_reg_t reg = &((ofw_upa_reg_t ) prop->value)[FFB_REG_24BPP];	149	ofw_upa_reg_t reg = &((ofw_upa_reg_t ) prop->value)[FFB_REG_24BPP];
150	if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) {	150	if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) {
151	printf("Failed to determine screen address.\n");	151	printf("Failed to determine screen address.\n");
152	return;	152	return;
153	}	153	}
154		154
155	break;	155	break;
156	case SCR_CGSIX:	156	case SCR_CGSIX:
157	switch (fb_depth) {	157	switch (fb_depth) {
158	case 8:	158	case 8:
159	fb_scanline = fb_linebytes;	159	fb_scanline = fb_linebytes;
160	visual = VISUAL_INDIRECT_8;	160	visual = VISUAL_INDIRECT_8;
161	break;	161	break;
162	default:	162	default:
163	printf("Not implemented.\n");	163	printf("Not implemented.\n");
164	return;	164	return;
165	}	165	}
166		166
167	ofw_sbus_reg_t cg6_reg = &((ofw_sbus_reg_t ) prop->value)[0];	167	ofw_sbus_reg_t cg6_reg = &((ofw_sbus_reg_t ) prop->value)[0];
168	if (!ofw_sbus_apply_ranges(node->parent, cg6_reg, &fb_addr)) {	168	if (!ofw_sbus_apply_ranges(node->parent, cg6_reg, &fb_addr)) {
169	printf("Failed to determine screen address.\n");	169	printf("Failed to determine screen address.\n");
170	return;	170	return;
171	}	171	}
172		172
173	break;	173	break;
174	default:	174	default:
175	panic("Unexpected type.\n");	175	panic("Unexpected type.\n");
176	}	176	}
177		177
-		178	fb_properties_t props;
-		179	props.addr = fb_addr;
-		180	props.fb_start = 0;
-		181	props.x = fb_width;
-		182	props.y = fb_height;
178	fb_init(fb_addr, fb_width, fb_height, fb_scanline, visual);	183	props.scan = fb_scanline;
-		184	props.visual = visual;
-		185	fb_init(&props);
179	}	186	}
180		187
181	/** @}	188	/** @}
182	*/	189	*/
183		190

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(root)/branches/sparc/kernel/arch/sparc64/src/drivers/scr.c – Rev 3343 → 3618