173 lines
3.8 KiB
C
173 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* linux/arch/sh/boards/hp6xx/setup.c
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*
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* Copyright (C) 2002 Andriy Skulysh
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* Copyright (C) 2007 Kristoffer Ericson <Kristoffer_e1@hotmail.com>
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*
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* Setup code for HP620/HP660/HP680/HP690 (internal peripherials only)
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/irq.h>
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#include <linux/sh_intc.h>
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#include <sound/sh_dac_audio.h>
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#include <asm/hd64461.h>
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#include <asm/io.h>
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#include <mach/hp6xx.h>
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#include <cpu/dac.h>
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#define SCPCR 0xa4000116
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#define SCPDR 0xa4000136
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/* CF Slot */
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static struct resource cf_ide_resources[] = {
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[0] = {
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.start = 0x15000000 + 0x1f0,
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.end = 0x15000000 + 0x1f0 + 0x08 - 0x01,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 0x15000000 + 0x1fe,
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.end = 0x15000000 + 0x1fe + 0x01,
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.flags = IORESOURCE_MEM,
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},
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[2] = {
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.start = evt2irq(0xba0),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device cf_ide_device = {
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.name = "pata_platform",
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.id = -1,
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.num_resources = ARRAY_SIZE(cf_ide_resources),
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.resource = cf_ide_resources,
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};
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static struct platform_device jornadakbd_device = {
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.name = "jornada680_kbd",
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.id = -1,
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};
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static void dac_audio_start(struct dac_audio_pdata *pdata)
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{
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u16 v;
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u8 v8;
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/* HP Jornada 680/690 speaker on */
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v = inw(HD64461_GPADR);
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v &= ~HD64461_GPADR_SPEAKER;
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outw(v, HD64461_GPADR);
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/* HP Palmtop 620lx/660lx speaker on */
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v8 = inb(PKDR);
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v8 &= ~PKDR_SPEAKER;
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outb(v8, PKDR);
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sh_dac_enable(pdata->channel);
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}
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static void dac_audio_stop(struct dac_audio_pdata *pdata)
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{
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u16 v;
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u8 v8;
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/* HP Jornada 680/690 speaker off */
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v = inw(HD64461_GPADR);
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v |= HD64461_GPADR_SPEAKER;
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outw(v, HD64461_GPADR);
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/* HP Palmtop 620lx/660lx speaker off */
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v8 = inb(PKDR);
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v8 |= PKDR_SPEAKER;
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outb(v8, PKDR);
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sh_dac_output(0, pdata->channel);
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sh_dac_disable(pdata->channel);
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}
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static struct dac_audio_pdata dac_audio_platform_data = {
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.buffer_size = 64000,
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.channel = 1,
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.start = dac_audio_start,
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.stop = dac_audio_stop,
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};
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static struct platform_device dac_audio_device = {
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.name = "dac_audio",
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.id = -1,
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.dev = {
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.platform_data = &dac_audio_platform_data,
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}
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};
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static struct platform_device *hp6xx_devices[] __initdata = {
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&cf_ide_device,
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&jornadakbd_device,
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&dac_audio_device,
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};
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static void __init hp6xx_init_irq(void)
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{
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/* Gets touchscreen and powerbutton IRQ working */
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plat_irq_setup_pins(IRQ_MODE_IRQ);
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}
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static int __init hp6xx_devices_setup(void)
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{
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return platform_add_devices(hp6xx_devices, ARRAY_SIZE(hp6xx_devices));
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}
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static void __init hp6xx_setup(char **cmdline_p)
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{
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u8 v8;
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u16 v;
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v = inw(HD64461_STBCR);
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v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST |
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HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST |
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HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST |
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HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST|
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HD64461_STBCR_SAFECKE_IST;
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#ifndef CONFIG_HD64461_ENABLER
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v |= HD64461_STBCR_SPC1ST;
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#endif
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outw(v, HD64461_STBCR);
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v = inw(HD64461_GPADR);
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v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0;
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outw(v, HD64461_GPADR);
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outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR);
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#ifndef CONFIG_HD64461_ENABLER
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outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR);
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#endif
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sh_dac_output(0, DAC_SPEAKER_VOLUME);
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sh_dac_disable(DAC_SPEAKER_VOLUME);
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v8 = __raw_readb(DACR);
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v8 &= ~DACR_DAE;
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__raw_writeb(v8,DACR);
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v8 = __raw_readb(SCPDR);
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v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y;
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v8 &= ~SCPDR_TS_SCAN_ENABLE;
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__raw_writeb(v8, SCPDR);
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v = __raw_readw(SCPCR);
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v &= ~SCPCR_TS_MASK;
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v |= SCPCR_TS_ENABLE;
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__raw_writew(v, SCPCR);
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}
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device_initcall(hp6xx_devices_setup);
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static struct sh_machine_vector mv_hp6xx __initmv = {
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.mv_name = "hp6xx",
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.mv_setup = hp6xx_setup,
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/* Enable IRQ0 -> IRQ3 in IRQ_MODE */
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.mv_init_irq = hp6xx_init_irq,
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};
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