packages/linux/linux-ezx-2.6.21/ezx-mci.patch

   1 Index: linux-2.6.20.7/arch/arm/mach-pxa/ezx-mci.c
   2 ===================================================================
   3 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
   4 +++ linux-2.6.20.7/arch/arm/mach-pxa/ezx-mci.c  2007-04-20 01:10:13.000000000 -0300
   5 @@ -0,0 +1,159 @@
   6 +/*
   7 + *  linux/arch/arm/mach-ezx/a780.c
   8 + *
   9 + *  Support for the Motorola Ezx A780 Development Platform.
  10 + *
  11 + *  Author:    Zhuang Xiaofan
  12 + *  Created:   Nov 25, 2003
  13 + *  Copyright: Motorola Inc.
  14 + *
  15 + *  This program is free software; you can redistribute it and/or modify
  16 + *  it under the terms of the GNU General Public License version 2 as
  17 + *  published by the Free Software Foundation.
  18 + */
  19 +
  20 +#include <linux/mmc/host.h>
  21 +#include <linux/irq.h>
  22 +#include <asm/irq.h>
  23 +#include <asm/arch/pxa-regs.h>
  24 +#include <asm/arch/ezx-pcap.h>
  25 +#include <asm/arch/mmc.h>
  26 +#include <asm/arch/hardware.h>
  27 +
  28 +extern int ezx_pcap_mmcsd_power(int);
  29 +extern void ezx_pcap_mmcsd_voltage(u_int32_t);
  30 +
  31 +static struct pxamci_platform_data ezx_mci_platform_data;
  32 +
  33 +static int ezx_mci_init(struct device *dev,
  34 +                        irqreturn_t (*ezx_detect_int)(int, void *),
  35 +                        void *data)
  36 +{
  37 +        int err;
  38 +        printk("%s entered\n", __FUNCTION__);
  39 +
  40 +        /* Setup GPIO for PXA27x MMC/SD controller */
  41 +        pxa_gpio_mode(GPIO32_MMCCLK_MD);
  42 +        pxa_gpio_mode(GPIO112_MMCCMD_MD);
  43 +        pxa_gpio_mode(GPIO92_MMCDAT0_MD);
  44 +        pxa_gpio_mode(GPIO109_MMCDAT1_MD);
  45 +        pxa_gpio_mode(GPIO110_MMCDAT2_MD);
  46 +        pxa_gpio_mode(GPIO111_MMCDAT3_MD);
  47 +
  48 +        ezx_pcap_mmcsd_power(1);
  49 +
  50 +        ezx_mci_platform_data.detect_delay = msecs_to_jiffies(250);
  51 +
  52 +        err = request_irq(0x49, ezx_detect_int, SA_INTERRUPT,
  53 +                          "MMC card detect", data);
  54 +        if (err) {
  55 +                printk(KERN_ERR "ezx_mci_detect: MMC/SD: can't request "
  56 +                      "MMC card detect IRQ\n");
  57 +                return -1;
  58 +        }
  59 +
  60 +        set_irq_type(0x0b, IRQT_BOTHEDGE);
  61 +
  62 +        return 0;
  63 +}
  64 +
  65 +static int ezx_mci_get_ro(struct device *dev)
  66 +{
  67 +        printk("%s entered\n", __FUNCTION__);
  68 +#if defined(CONFIG_PXA_EZX_E680)
  69 +        /* this is only e680, i guess */
  70 +        // return GPIO_is_high(96+4);
  71 +        return (GPLR3 & 0x800);
  72 +#else
  73 +        return 0;
  74 +#endif
  75 +}
  76 +
  77 +#if defined(CONFIG_PXA_EZX_A780)
  78 +static u_int8_t mmc_voltage[] = {
  79 +       [MMC_VDD_160] = 5,
  80 +       [MMC_VDD_170] = 5,
  81 +       [MMC_VDD_180] = 6,
  82 +       [MMC_VDD_190] = 6,
  83 +       [MMC_VDD_200] = 7,
  84 +       [MMC_VDD_210] = 7,
  85 +       [MMC_VDD_220] = 8,
  86 +       [MMC_VDD_230] = 8,
  87 +       [MMC_VDD_240] = 9,
  88 +       [MMC_VDD_250] = 9,
  89 +       [MMC_VDD_260] = 10,
  90 +       [MMC_VDD_270] = 10,
  91 +       [MMC_VDD_280] = 11,
  92 +       [MMC_VDD_290] = 11,
  93 +       [MMC_VDD_300] = 12,
  94 +       [MMC_VDD_310] = 12,
  95 +       [MMC_VDD_320] = 13,
  96 +       [MMC_VDD_330] = 13,
  97 +       [MMC_VDD_340] = 14,
  98 +       [MMC_VDD_350] = 14,
  99 +       [MMC_VDD_360] = 15,
 100 +};
 101 +#elif defined(CONFIG_PXA_EZX_E680)
 102 +static u_int8_t mmc_voltage[] = {
 103 +       [MMC_VDD_160] = 3,
 104 +       [MMC_VDD_170] = 3,
 105 +       [MMC_VDD_180] = 3,
 106 +       [MMC_VDD_190] = 3,
 107 +       [MMC_VDD_200] = 3,
 108 +       [MMC_VDD_210] = 3,
 109 +       [MMC_VDD_220] = 3,
 110 +       [MMC_VDD_230] = 3,
 111 +       [MMC_VDD_240] = 3,
 112 +       [MMC_VDD_250] = 3,
 113 +       [MMC_VDD_260] = 3,
 114 +       [MMC_VDD_270] = 3,
 115 +       [MMC_VDD_280] = 3,
 116 +       [MMC_VDD_290] = 3,
 117 +       [MMC_VDD_300] = 3,
 118 +       [MMC_VDD_310] = 3,
 119 +       [MMC_VDD_320] = 3,
 120 +       [MMC_VDD_330] = 3,
 121 +       [MMC_VDD_340] = 3,
 122 +       [MMC_VDD_350] = 3,
 123 +       [MMC_VDD_360] = 3,
 124 +};
 125 +#endif
 126 +
 127 +static void ezx_mci_setpower(struct device *dev, unsigned int vdd)
 128 +{
 129 +        printk("%s(vdd=%u) entered\n", __FUNCTION__, vdd);
 130 +        if (vdd <= MMC_VDD_360)
 131 +                ezx_pcap_mmcsd_voltage(mmc_voltage[vdd]);
 132 +
 133 +        ezx_pcap_mmcsd_power(1);
 134 +}
 135 +
 136 +static void ezx_mci_exit(struct device *dev, void *data)
 137 +{
 138 +        printk("%s entered\n", __FUNCTION__);
 139 +        ezx_pcap_mmcsd_power(0);
 140 +        free_irq(0x49, data);
 141 +}
 142 +
 143 +static struct pxamci_platform_data ezx_mci_platform_data = {
 144 +#if defined(CONFIG_PXA_EZX_E680)
 145 +        .ocr_mask       = MMC_VDD_27_28,
 146 +#elif defined(CONFIG_PXA_EZX_A780)
 147 +        .ocr_mask       = MMC_VDD_160_165|MMC_VDD_18_19|MMC_VDD_20_21
 148 +                          |MMC_VDD_22_23|MMC_VDD_24_25|MMC_VDD_26_27
 149 +                          |MMC_VDD_28_29|MMC_VDD_30_31|MMC_VDD_32_33
 150 +                          |MMC_VDD_34_35|MMC_VDD_35_36,
 151 +#endif
 152 +        .init           = ezx_mci_init,
 153 +        .get_ro         = ezx_mci_get_ro,
 154 +        .setpower       = ezx_mci_setpower,
 155 +        .exit           = ezx_mci_exit,
 156 +};
 157 +
 158 +int __init __ezx_mci_init (void)
 159 +{
 160 +       pxa_set_mci_info(&ezx_mci_platform_data);
 161 +       return 0;
 162 +}
 163 +
 164 +arch_initcall(__ezx_mci_init);
 165 Index: linux-2.6.20.7/arch/arm/mach-pxa/Makefile
 166 ===================================================================
 167 --- linux-2.6.20.7.orig/arch/arm/mach-pxa/Makefile      2007-04-21 02:56:16.000000000 -0300
 168 +++ linux-2.6.20.7/arch/arm/mach-pxa/Makefile   2007-04-21 03:00:03.000000000 -0300
 169 @@ -18,7 +18,7 @@
 170  obj-$(CONFIG_MACH_AKITA)       += akita-ioexp.o
 171  obj-$(CONFIG_MACH_POODLE)      += poodle.o corgi_ssp.o
 172  obj-$(CONFIG_MACH_TOSA)         += tosa.o
 173 -obj-$(CONFIG_PXA_EZX)          += ezx.o ezx_lcd.o ezx_ssp.o ezx-pcap.o
 174 +obj-$(CONFIG_PXA_EZX)          += ezx.o ezx_lcd.o ezx_ssp.o ezx-pcap.o ezx-mci.o
 175
 176  # Support for blinky lights
 177  led-y := leds.o