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 <sound/sh_dac_audio.h> 17#include <asm/hd64461.h> 18#include <asm/io.h> 19#include <mach/hp6xx.h> 20#include <cpu/dac.h> 21 22#define SCPCR 0xa4000116 23#define SCPDR 0xa4000136 24 25/* CF Slot */ 26static struct resource cf_ide_resources[] = { 27 [0] = { 28 .start = 0x15000000 + 0x1f0, 29 .end = 0x15000000 + 0x1f0 + 0x08 - 0x01, 30 .flags = IORESOURCE_MEM, 31 }, 32 [1] = { 33 .start = 0x15000000 + 0x1fe, 34 .end = 0x15000000 + 0x1fe + 0x01, 35 .flags = IORESOURCE_MEM, 36 }, 37 [2] = { 38 .start = 77, 39 .flags = IORESOURCE_IRQ, 40 }, 41}; 42 43static struct platform_device cf_ide_device = { 44 .name = "pata_platform", 45 .id = -1, 46 .num_resources = ARRAY_SIZE(cf_ide_resources), 47 .resource = cf_ide_resources, 48}; 49 50static struct platform_device jornadakbd_device = { 51 .name = "jornada680_kbd", 52 .id = -1, 53}; 54 55static void dac_audio_start(struct dac_audio_pdata *pdata) 56{ 57 u16 v; 58 u8 v8; 59 60 /* HP Jornada 680/690 speaker on */ 61 v = inw(HD64461_GPADR); 62 v &= ~HD64461_GPADR_SPEAKER; 63 outw(v, HD64461_GPADR); 64 65 /* HP Palmtop 620lx/660lx speaker on */ 66 v8 = inb(PKDR); 67 v8 &= ~PKDR_SPEAKER; 68 outb(v8, PKDR); 69 70 sh_dac_enable(pdata->channel); 71} 72 73static void dac_audio_stop(struct dac_audio_pdata *pdata) 74{ 75 u16 v; 76 u8 v8; 77 78 /* HP Jornada 680/690 speaker off */ 79 v = inw(HD64461_GPADR); 80 v |= HD64461_GPADR_SPEAKER; 81 outw(v, HD64461_GPADR); 82 83 /* HP Palmtop 620lx/660lx speaker off */ 84 v8 = inb(PKDR); 85 v8 |= PKDR_SPEAKER; 86 outb(v8, PKDR); 87 88 sh_dac_output(0, pdata->channel); 89 sh_dac_disable(pdata->channel); 90} 91 92static struct dac_audio_pdata dac_audio_platform_data = { 93 .buffer_size = 64000, 94 .channel = 1, 95 .start = dac_audio_start, 96 .stop = dac_audio_stop, 97}; 98 99static struct platform_device dac_audio_device = { 100 .name = "dac_audio", 101 .id = -1, 102 .dev = { 103 .platform_data = &dac_audio_platform_data, 104 } 105 106}; 107 108static struct platform_device *hp6xx_devices[] __initdata = { 109 &cf_ide_device, 110 &jornadakbd_device, 111 &dac_audio_device, 112}; 113 114static void __init hp6xx_init_irq(void) 115{ 116 /* Gets touchscreen and powerbutton IRQ working */ 117 plat_irq_setup_pins(IRQ_MODE_IRQ); 118} 119 120static int __init hp6xx_devices_setup(void) 121{ 122 return platform_add_devices(hp6xx_devices, ARRAY_SIZE(hp6xx_devices)); 123} 124 125static void __init hp6xx_setup(char **cmdline_p) 126{ 127 u8 v8; 128 u16 v; 129 130 v = inw(HD64461_STBCR); 131 v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST | 132 HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST | 133 HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST | 134 HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST| 135 HD64461_STBCR_SAFECKE_IST; 136#ifndef CONFIG_HD64461_ENABLER 137 v |= HD64461_STBCR_SPC1ST; 138#endif 139 outw(v, HD64461_STBCR); 140 v = inw(HD64461_GPADR); 141 v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0; 142 outw(v, HD64461_GPADR); 143 144 outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR); 145 146#ifndef CONFIG_HD64461_ENABLER 147 outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR); 148#endif 149 150 sh_dac_output(0, DAC_SPEAKER_VOLUME); 151 sh_dac_disable(DAC_SPEAKER_VOLUME); 152 v8 = __raw_readb(DACR); 153 v8 &= ~DACR_DAE; 154 __raw_writeb(v8,DACR); 155 156 v8 = __raw_readb(SCPDR); 157 v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y; 158 v8 &= ~SCPDR_TS_SCAN_ENABLE; 159 __raw_writeb(v8, SCPDR); 160 161 v = __raw_readw(SCPCR); 162 v &= ~SCPCR_TS_MASK; 163 v |= SCPCR_TS_ENABLE; 164 __raw_writew(v, SCPCR); 165} 166device_initcall(hp6xx_devices_setup); 167 168static struct sh_machine_vector mv_hp6xx __initmv = { 169 .mv_name = "hp6xx", 170 .mv_setup = hp6xx_setup, 171 /* IRQ's : CPU(64) + CCHIP(16) + FREE_TO_USE(6) */ 172 .mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM + 6, 173 /* Enable IRQ0 -> IRQ3 in IRQ_MODE */ 174 .mv_init_irq = hp6xx_init_irq, 175}; 176