1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * linux/arch/sh/boards/hp6xx/setup.c 4 * 5 * Copyright (C) 2002 Andriy Skulysh 6 * Copyright (C) 2007 Kristoffer Ericson <Kristoffer_e1@hotmail.com> 7 * 8 * Setup code for HP620/HP660/HP680/HP690 (internal peripherials only) 9 */ 10 #include <linux/types.h> 11 #include <linux/init.h> 12 #include <linux/platform_device.h> 13 #include <linux/irq.h> 14 #include <linux/sh_intc.h> 15 #include <sound/sh_dac_audio.h> 16 #include <asm/hd64461.h> 17 #include <asm/io.h> 18 #include <mach/hp6xx.h> 19 #include <cpu/dac.h> 20 21 #define SCPCR 0xa4000116 22 #define SCPDR 0xa4000136 23 24 /* CF Slot */ 25 static struct resource cf_ide_resources[] = { 26 [0] = { 27 .start = 0x15000000 + 0x1f0, 28 .end = 0x15000000 + 0x1f0 + 0x08 - 0x01, 29 .flags = IORESOURCE_MEM, 30 }, 31 [1] = { 32 .start = 0x15000000 + 0x1fe, 33 .end = 0x15000000 + 0x1fe + 0x01, 34 .flags = IORESOURCE_MEM, 35 }, 36 [2] = { 37 .start = evt2irq(0xba0), 38 .flags = IORESOURCE_IRQ, 39 }, 40 }; 41 42 static struct platform_device cf_ide_device = { 43 .name = "pata_platform", 44 .id = -1, 45 .num_resources = ARRAY_SIZE(cf_ide_resources), 46 .resource = cf_ide_resources, 47 }; 48 49 static struct platform_device jornadakbd_device = { 50 .name = "jornada680_kbd", 51 .id = -1, 52 }; 53 54 static void dac_audio_start(struct dac_audio_pdata *pdata) 55 { 56 u16 v; 57 u8 v8; 58 59 /* HP Jornada 680/690 speaker on */ 60 v = inw(HD64461_GPADR); 61 v &= ~HD64461_GPADR_SPEAKER; 62 outw(v, HD64461_GPADR); 63 64 /* HP Palmtop 620lx/660lx speaker on */ 65 v8 = inb(PKDR); 66 v8 &= ~PKDR_SPEAKER; 67 outb(v8, PKDR); 68 69 sh_dac_enable(pdata->channel); 70 } 71 72 static void dac_audio_stop(struct dac_audio_pdata *pdata) 73 { 74 u16 v; 75 u8 v8; 76 77 /* HP Jornada 680/690 speaker off */ 78 v = inw(HD64461_GPADR); 79 v |= HD64461_GPADR_SPEAKER; 80 outw(v, HD64461_GPADR); 81 82 /* HP Palmtop 620lx/660lx speaker off */ 83 v8 = inb(PKDR); 84 v8 |= PKDR_SPEAKER; 85 outb(v8, PKDR); 86 87 sh_dac_output(0, pdata->channel); 88 sh_dac_disable(pdata->channel); 89 } 90 91 static struct dac_audio_pdata dac_audio_platform_data = { 92 .buffer_size = 64000, 93 .channel = 1, 94 .start = dac_audio_start, 95 .stop = dac_audio_stop, 96 }; 97 98 static struct platform_device dac_audio_device = { 99 .name = "dac_audio", 100 .id = -1, 101 .dev = { 102 .platform_data = &dac_audio_platform_data, 103 } 104 105 }; 106 107 static struct platform_device *hp6xx_devices[] __initdata = { 108 &cf_ide_device, 109 &jornadakbd_device, 110 &dac_audio_device, 111 }; 112 113 static void __init hp6xx_init_irq(void) 114 { 115 /* Gets touchscreen and powerbutton IRQ working */ 116 plat_irq_setup_pins(IRQ_MODE_IRQ); 117 } 118 119 static int __init hp6xx_devices_setup(void) 120 { 121 return platform_add_devices(hp6xx_devices, ARRAY_SIZE(hp6xx_devices)); 122 } 123 124 static void __init hp6xx_setup(char **cmdline_p) 125 { 126 u8 v8; 127 u16 v; 128 129 v = inw(HD64461_STBCR); 130 v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST | 131 HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST | 132 HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST | 133 HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST| 134 HD64461_STBCR_SAFECKE_IST; 135 #ifndef CONFIG_HD64461_ENABLER 136 v |= HD64461_STBCR_SPC1ST; 137 #endif 138 outw(v, HD64461_STBCR); 139 v = inw(HD64461_GPADR); 140 v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0; 141 outw(v, HD64461_GPADR); 142 143 outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR); 144 145 #ifndef CONFIG_HD64461_ENABLER 146 outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR); 147 #endif 148 149 sh_dac_output(0, DAC_SPEAKER_VOLUME); 150 sh_dac_disable(DAC_SPEAKER_VOLUME); 151 v8 = __raw_readb(DACR); 152 v8 &= ~DACR_DAE; 153 __raw_writeb(v8,DACR); 154 155 v8 = __raw_readb(SCPDR); 156 v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y; 157 v8 &= ~SCPDR_TS_SCAN_ENABLE; 158 __raw_writeb(v8, SCPDR); 159 160 v = __raw_readw(SCPCR); 161 v &= ~SCPCR_TS_MASK; 162 v |= SCPCR_TS_ENABLE; 163 __raw_writew(v, SCPCR); 164 } 165 device_initcall(hp6xx_devices_setup); 166 167 static struct sh_machine_vector mv_hp6xx __initmv = { 168 .mv_name = "hp6xx", 169 .mv_setup = hp6xx_setup, 170 /* Enable IRQ0 -> IRQ3 in IRQ_MODE */ 171 .mv_init_irq = hp6xx_init_irq, 172 }; 173