1/*
2 * linux/arch/sh/boards/hp6xx/setup.c
3 *
4 * Copyright (C) 2002 Andriy Skulysh
5 * Copyright (C) 2007 Kristoffer Ericson <Kristoffer_e1@hotmail.com>
6 *
7 * May be copied or modified under the terms of the GNU General Public
8 * License.  See linux/COPYING for more information.
9 *
10 * Setup code for HP620/HP660/HP680/HP690 (internal peripherials only)
11 */
12#include <linux/types.h>
13#include <linux/init.h>
14#include <linux/platform_device.h>
15#include <linux/irq.h>
16#include <linux/sh_intc.h>
17#include <sound/sh_dac_audio.h>
18#include <asm/hd64461.h>
19#include <asm/io.h>
20#include <mach/hp6xx.h>
21#include <cpu/dac.h>
22
23#define	SCPCR	0xa4000116
24#define	SCPDR	0xa4000136
25
26/* CF Slot */
27static struct resource cf_ide_resources[] = {
28	[0] = {
29		.start = 0x15000000 + 0x1f0,
30		.end   = 0x15000000 + 0x1f0 + 0x08 - 0x01,
31		.flags = IORESOURCE_MEM,
32	},
33	[1] = {
34		.start = 0x15000000 + 0x1fe,
35		.end   = 0x15000000 + 0x1fe + 0x01,
36		.flags = IORESOURCE_MEM,
37	},
38	[2] = {
39		.start = evt2irq(0xba0),
40		.flags = IORESOURCE_IRQ,
41	},
42};
43
44static struct platform_device cf_ide_device = {
45	.name		=  "pata_platform",
46	.id		=  -1,
47	.num_resources	= ARRAY_SIZE(cf_ide_resources),
48	.resource	= cf_ide_resources,
49};
50
51static struct platform_device jornadakbd_device = {
52	.name		= "jornada680_kbd",
53	.id		= -1,
54};
55
56static void dac_audio_start(struct dac_audio_pdata *pdata)
57{
58	u16 v;
59	u8 v8;
60
61	/* HP Jornada 680/690 speaker on */
62	v = inw(HD64461_GPADR);
63	v &= ~HD64461_GPADR_SPEAKER;
64	outw(v, HD64461_GPADR);
65
66	/* HP Palmtop 620lx/660lx speaker on */
67	v8 = inb(PKDR);
68	v8 &= ~PKDR_SPEAKER;
69	outb(v8, PKDR);
70
71	sh_dac_enable(pdata->channel);
72}
73
74static void dac_audio_stop(struct dac_audio_pdata *pdata)
75{
76	u16 v;
77	u8 v8;
78
79	/* HP Jornada 680/690 speaker off */
80	v = inw(HD64461_GPADR);
81	v |= HD64461_GPADR_SPEAKER;
82	outw(v, HD64461_GPADR);
83
84	/* HP Palmtop 620lx/660lx speaker off */
85	v8 = inb(PKDR);
86	v8 |= PKDR_SPEAKER;
87	outb(v8, PKDR);
88
89	sh_dac_output(0, pdata->channel);
90	sh_dac_disable(pdata->channel);
91}
92
93static struct dac_audio_pdata dac_audio_platform_data = {
94	.buffer_size		= 64000,
95	.channel		= 1,
96	.start			= dac_audio_start,
97	.stop			= dac_audio_stop,
98};
99
100static struct platform_device dac_audio_device = {
101	.name		= "dac_audio",
102	.id		= -1,
103	.dev		= {
104		.platform_data	= &dac_audio_platform_data,
105	}
106
107};
108
109static struct platform_device *hp6xx_devices[] __initdata = {
110	&cf_ide_device,
111	&jornadakbd_device,
112	&dac_audio_device,
113};
114
115static void __init hp6xx_init_irq(void)
116{
117	/* Gets touchscreen and powerbutton IRQ working */
118	plat_irq_setup_pins(IRQ_MODE_IRQ);
119}
120
121static int __init hp6xx_devices_setup(void)
122{
123	return platform_add_devices(hp6xx_devices, ARRAY_SIZE(hp6xx_devices));
124}
125
126static void __init hp6xx_setup(char **cmdline_p)
127{
128	u8 v8;
129	u16 v;
130
131	v = inw(HD64461_STBCR);
132	v |=	HD64461_STBCR_SURTST | HD64461_STBCR_SIRST	|
133		HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST	|
134		HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST	|
135		HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST|
136		HD64461_STBCR_SAFECKE_IST;
137#ifndef CONFIG_HD64461_ENABLER
138	v |= HD64461_STBCR_SPC1ST;
139#endif
140	outw(v, HD64461_STBCR);
141	v = inw(HD64461_GPADR);
142	v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0;
143	outw(v, HD64461_GPADR);
144
145	outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR);
146
147#ifndef CONFIG_HD64461_ENABLER
148	outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR);
149#endif
150
151	sh_dac_output(0, DAC_SPEAKER_VOLUME);
152	sh_dac_disable(DAC_SPEAKER_VOLUME);
153	v8 = __raw_readb(DACR);
154	v8 &= ~DACR_DAE;
155	__raw_writeb(v8,DACR);
156
157	v8 = __raw_readb(SCPDR);
158	v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y;
159	v8 &= ~SCPDR_TS_SCAN_ENABLE;
160	__raw_writeb(v8, SCPDR);
161
162	v = __raw_readw(SCPCR);
163	v &= ~SCPCR_TS_MASK;
164	v |= SCPCR_TS_ENABLE;
165	__raw_writew(v, SCPCR);
166}
167device_initcall(hp6xx_devices_setup);
168
169static struct sh_machine_vector mv_hp6xx __initmv = {
170	.mv_name = "hp6xx",
171	.mv_setup = hp6xx_setup,
172	/* Enable IRQ0 -> IRQ3 in IRQ_MODE */
173	.mv_init_irq = hp6xx_init_irq,
174};
175