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 */ 27 static 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 44 static 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 51 static struct platform_device jornadakbd_device = { 52 .name = "jornada680_kbd", 53 .id = -1, 54 }; 55 56 static 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 74 static 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 93 static 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 }; 99 100 static 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 }; 108 109 static struct platform_device *hp6xx_devices[] __initdata = { 110 &cf_ide_device, 111 &jornadakbd_device, 112 &dac_audio_device, 113 }; 114 115 static void __init hp6xx_init_irq(void) 116 { 117 /* Gets touchscreen and powerbutton IRQ working */ 118 plat_irq_setup_pins(IRQ_MODE_IRQ); 119 } 120 121 static int __init hp6xx_devices_setup(void) 122 { 123 return platform_add_devices(hp6xx_devices, ARRAY_SIZE(hp6xx_devices)); 124 } 125 126 static 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 } 167 device_initcall(hp6xx_devices_setup); 168 169 static 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