WebSVN – HelenOS – Diff – /branches/network/uspace/srv/kbd/port/pl050.c


/*
 * Copyright (c) 2009 Vineeth Pillai
 * 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 kbd_port
 * @ingroup kbd
 * @{
 */
/** @file
 * @brief pl050 port driver.
 */
 
#include <ddi.h>
#include <libarch/ddi.h>
#include <ipc/ipc.h>
#include <async.h>
#include <unistd.h>
#include <sysinfo.h>
#include <kbd_port.h>
#include <kbd.h>
#include <ddi.h>
#include <stdio.h>
 
#define PL050_STAT_RXFULL (1 << 4)
static irq_cmd_t pl050_cmds[] = {
    {
        .cmd = CMD_PIO_READ_8,
        .addr = NULL,
        .dstarg = 1
    },
    {
        .cmd = CMD_BTEST,
        .value = PL050_STAT_RXFULL,
        .srcarg = 1,
        .dstarg = 3
    },
    {
        .cmd = CMD_PREDICATE,
        .value = 2,
        .srcarg = 3
    },
    {
        .cmd = CMD_PIO_READ_8,
        .addr = NULL,   /* will be patched in run-time */
        .dstarg = 2
    },
    {
        .cmd = CMD_ACCEPT
    }
};
 
static irq_code_t pl050_kbd = {
    sizeof(pl050_cmds) / sizeof(irq_cmd_t),
    pl050_cmds
};
 
static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call);
 
int kbd_port_init(void)
{
 
    pl050_kbd.cmds[0].addr = (void *) sysinfo_value("kbd.address.status");
    pl050_kbd.cmds[3].addr = (void *) sysinfo_value("kbd.address.data");
 
    async_set_interrupt_received(pl050_irq_handler);
 
    ipc_register_irq(sysinfo_value("kbd.inr"), device_assign_devno(), 0, &pl050_kbd);
 
    return 0;
}
 
void kbd_port_yield(void)
{
}
 
void kbd_port_reclaim(void)
{
}
 
static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call)
{
    int scan_code = IPC_GET_ARG2(*call);
 
    kbd_push_scancode(scan_code);
    return;
}
 
/**
 * @}
 */
 

Rev 4669	Rev 4718
1	/*	1	/*
2	* Copyright (c) 2009 Vineeth Pillai	2	* Copyright (c) 2009 Vineeth Pillai
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 kbd_port	29	/** @addtogroup kbd_port
30	* @ingroup kbd	30	* @ingroup kbd
31	* @{	31	* @{
32	*/	32	*/
33	/** @file	33	/** @file
34	* @brief pl050 port driver.	34	* @brief pl050 port driver.
35	*/	35	*/
36		36
37	#include <ddi.h>	37	#include <ddi.h>
38	#include <libarch/ddi.h>	38	#include <libarch/ddi.h>
39	#include <ipc/ipc.h>	39	#include <ipc/ipc.h>
40	#include <async.h>	40	#include <async.h>
41	#include <unistd.h>	41	#include <unistd.h>
42	#include <sysinfo.h>	42	#include <sysinfo.h>
43	#include <kbd_port.h>	43	#include <kbd_port.h>
44	#include <kbd.h>	44	#include <kbd.h>
45	#include <ddi.h>	45	#include <ddi.h>
46	#include <stdio.h>	46	#include <stdio.h>
47		47
48	#define PL050_STAT_RXFULL (1 << 4)	48	#define PL050_STAT_RXFULL (1 << 4)
49	static irq_cmd_t pl050_cmds[] = {	49	static irq_cmd_t pl050_cmds[] = {
50	{	50	{
51	.cmd = CMD_PIO_READ_8,	51	.cmd = CMD_PIO_READ_8,
52	.addr = NULL,	52	.addr = NULL,
53	.dstarg = 1	53	.dstarg = 1
54	},	54	},
55	{	55	{
56	.cmd = CMD_BTEST,	56	.cmd = CMD_BTEST,
57	.value = PL050_STAT_RXFULL,	57	.value = PL050_STAT_RXFULL,
58	.srcarg = 1,	58	.srcarg = 1,
59	.dstarg = 3	59	.dstarg = 3
60	},	60	},
61	{	61	{
62	.cmd = CMD_PREDICATE,	62	.cmd = CMD_PREDICATE,
63	.value = 2,	63	.value = 2,
64	.srcarg = 3	64	.srcarg = 3
65	},	65	},
66	{	66	{
67	.cmd = CMD_PIO_READ_8,	67	.cmd = CMD_PIO_READ_8,
68	.addr = NULL, /* will be patched in run-time */	68	.addr = NULL, /* will be patched in run-time */
69	.dstarg = 2	69	.dstarg = 2
70	},	70	},
71	{	71	{
72	.cmd = CMD_ACCEPT	72	.cmd = CMD_ACCEPT
73	}	73	}
74	};	74	};
75		75
76	static irq_code_t pl050_kbd = {	76	static irq_code_t pl050_kbd = {
77	sizeof(pl050_cmds) / sizeof(irq_cmd_t),	77	sizeof(pl050_cmds) / sizeof(irq_cmd_t),
78	pl050_cmds	78	pl050_cmds
79	};	79	};
80		80
81	static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call);	81	static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call);
82		82
83	int kbd_port_init(void)	83	int kbd_port_init(void)
84	{	84	{
85		85
86	pl050_kbd.cmds[0].addr = (void *) sysinfo_value("kbd.address.status");	86	pl050_kbd.cmds[0].addr = (void *) sysinfo_value("kbd.address.status");
87	pl050_kbd.cmds[3].addr = (void *) sysinfo_value("kbd.address.data");	87	pl050_kbd.cmds[3].addr = (void *) sysinfo_value("kbd.address.data");
88		88
89	async_set_interrupt_received(pl050_irq_handler);	89	async_set_interrupt_received(pl050_irq_handler);
90		90
91	ipc_register_irq(sysinfo_value("kbd.inr"), device_assign_devno(), 0, &pl050_kbd);	91	ipc_register_irq(sysinfo_value("kbd.inr"), device_assign_devno(), 0, &pl050_kbd);
92		92
93	return 0;	93	return 0;
94	}	94	}
95		95
96	void kbd_port_yield(void)	96	void kbd_port_yield(void)
97	{	97	{
98	}	98	}
99		99
100	void kbd_port_reclaim(void)	100	void kbd_port_reclaim(void)
101	{	101	{
102	}	102	}
103		103
104	static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call)	104	static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call)
105	{	105	{
106	int scan_code = IPC_GET_ARG2(*call);	106	int scan_code = IPC_GET_ARG2(*call);
107		107
108	kbd_push_scancode(scan_code);	108	kbd_push_scancode(scan_code);
109	return;	109	return;
110	}	110	}
111		111
112	/**	112	/**
113	* @}	113	* @}
114	*/	114	*/
115		115

Subversion Repositories HelenOS

(root)/branches/network/uspace/srv/kbd/port/pl050.c @ 4748 – Rev 4669 → 4718