nseries.c

来自「xen虚拟机源代码安装包」· C语言 代码 · 共 1,146 行 · 第 1/3 页

/*
 * Nokia N-series internet tablets.
 *
 * Copyright (C) 2007 Nokia Corporation
 * Written by Andrzej Zaborowski <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 or
 * (at your option) version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include "qemu-common.h"
#include "sysemu.h"
#include "omap.h"
#include "arm-misc.h"
#include "irq.h"
#include "console.h"
#include "boards.h"
#include "i2c.h"
#include "devices.h"
#include "flash.h"
#include "hw.h"

/* Nokia N8x0 support */
struct n800_s {
    struct omap_mpu_state_s *cpu;

    struct rfbi_chip_s blizzard;
    struct {
        void *opaque;
        uint32_t (*txrx)(void *opaque, uint32_t value, int len);
        struct uwire_slave_s *chip;
    } ts;
    i2c_bus *i2c;

    int keymap[0x80];
    i2c_slave *kbd;

    struct tusb_s *usb;
    void *retu;
    void *tahvo;
};

/* GPIO pins */
#define N8X0_TUSB_ENABLE_GPIO		0
#define N800_MMC2_WP_GPIO		8
#define N800_UNKNOWN_GPIO0		9	/* out */
#define N800_UNKNOWN_GPIO1		10	/* out */
#define N800_CAM_TURN_GPIO		12
#define N810_GPS_RESET_GPIO		12
#define N800_BLIZZARD_POWERDOWN_GPIO	15
#define N800_MMC1_WP_GPIO		23
#define N8X0_ONENAND_GPIO		26
#define N810_BLIZZARD_RESET_GPIO	30
#define N800_UNKNOWN_GPIO2		53	/* out */
#define N8X0_TUSB_INT_GPIO		58
#define N8X0_BT_WKUP_GPIO		61
#define N8X0_STI_GPIO			62
#define N8X0_CBUS_SEL_GPIO		64
#define N8X0_CBUS_DAT_GPIO		65
#define N8X0_CBUS_CLK_GPIO		66
#define N8X0_WLAN_IRQ_GPIO		87
#define N8X0_BT_RESET_GPIO		92
#define N8X0_TEA5761_CS_GPIO		93
#define N800_UNKNOWN_GPIO		94
#define N810_TSC_RESET_GPIO		94
#define N800_CAM_ACT_GPIO		95
#define N810_GPS_WAKEUP_GPIO		95
#define N8X0_MMC_CS_GPIO		96
#define N8X0_WLAN_PWR_GPIO		97
#define N8X0_BT_HOST_WKUP_GPIO		98
#define N800_UNKNOWN_GPIO3		101	/* out */
#define N810_KB_LOCK_GPIO		102
#define N800_TSC_TS_GPIO		103
#define N810_TSC_TS_GPIO		106
#define N8X0_HEADPHONE_GPIO		107
#define N8X0_RETU_GPIO			108
#define N800_TSC_KP_IRQ_GPIO		109
#define N810_KEYBOARD_GPIO		109
#define N800_BAT_COVER_GPIO		110
#define N810_SLIDE_GPIO			110
#define N8X0_TAHVO_GPIO			111
#define N800_UNKNOWN_GPIO4		112	/* out */
#define N810_SLEEPX_LED_GPIO		112
#define N800_TSC_RESET_GPIO		118	/* ? */
#define N800_TSC_UNKNOWN_GPIO		119	/* out */
#define N8X0_TMP105_GPIO		125

/* Config */
#define XLDR_LL_UART			1

/* Addresses on the I2C bus 0 */
#define N810_TLV320AIC33_ADDR		0x18	/* Audio CODEC */
#define N8X0_TCM825x_ADDR		0x29	/* Camera */
#define N810_LP5521_ADDR		0x32	/* LEDs */
#define N810_TSL2563_ADDR		0x3d	/* Light sensor */
#define N810_LM8323_ADDR		0x45	/* Keyboard */
/* Addresses on the I2C bus 1 */
#define N8X0_TMP105_ADDR		0x48	/* Temperature sensor */
#define N8X0_MENELAUS_ADDR		0x72	/* Power management */

/* Chipselects on GPMC NOR interface */
#define N8X0_ONENAND_CS			0
#define N8X0_USB_ASYNC_CS		1
#define N8X0_USB_SYNC_CS		4

static void n800_mmc_cs_cb(void *opaque, int line, int level)
{
    /* TODO: this seems to actually be connected to the menelaus, to
     * which also both MMC slots connect.  */
    omap_mmc_enable((struct omap_mmc_s *) opaque, !level);

    printf("%s: MMC slot %i active\n", __FUNCTION__, level + 1);
}

static void n8x0_gpio_setup(struct n800_s *s)
{
    qemu_irq *mmc_cs = qemu_allocate_irqs(n800_mmc_cs_cb, s->cpu->mmc, 1);
    omap2_gpio_out_set(s->cpu->gpif, N8X0_MMC_CS_GPIO, mmc_cs[0]);

    qemu_irq_lower(omap2_gpio_in_get(s->cpu->gpif, N800_BAT_COVER_GPIO)[0]);
}

static void n8x0_nand_setup(struct n800_s *s)
{
    /* Either ec40xx or ec48xx are OK for the ID */
    omap_gpmc_attach(s->cpu->gpmc, N8X0_ONENAND_CS, 0, onenand_base_update,
                    onenand_base_unmap,
                    onenand_init(0xec4800, 1,
                            omap2_gpio_in_get(s->cpu->gpif,
                                    N8X0_ONENAND_GPIO)[0]));
}

static void n8x0_i2c_setup(struct n800_s *s)
{
    qemu_irq tmp_irq = omap2_gpio_in_get(s->cpu->gpif, N8X0_TMP105_GPIO)[0];

    /* Attach the CPU on one end of our I2C bus.  */
    s->i2c = omap_i2c_bus(s->cpu->i2c[0]);

    /* Attach a menelaus PM chip */
    i2c_set_slave_address(
                    twl92230_init(s->i2c,
                            s->cpu->irq[0][OMAP_INT_24XX_SYS_NIRQ]),
                    N8X0_MENELAUS_ADDR);

    /* Attach a TMP105 PM chip (A0 wired to ground) */
    i2c_set_slave_address(tmp105_init(s->i2c, tmp_irq), N8X0_TMP105_ADDR);
}

/* Touchscreen and keypad controller */
static struct mouse_transform_info_s n800_pointercal = {
    .x = 800,
    .y = 480,
    .a = { 14560, -68, -3455208, -39, -9621, 35152972, 65536 },
};

static struct mouse_transform_info_s n810_pointercal = {
    .x = 800,
    .y = 480,
    .a = { 15041, 148, -4731056, 171, -10238, 35933380, 65536 },
};

#define RETU_KEYCODE	61	/* F3 */

static void n800_key_event(void *opaque, int keycode)
{
    struct n800_s *s = (struct n800_s *) opaque;
    int code = s->keymap[keycode & 0x7f];

    if (code == -1) {
        if ((keycode & 0x7f) == RETU_KEYCODE)
            retu_key_event(s->retu, !(keycode & 0x80));
        return;
    }

    tsc210x_key_event(s->ts.chip, code, !(keycode & 0x80));
}

static const int n800_keys[16] = {
    -1,
    72,	/* Up */
    63,	/* Home (F5) */
    -1,
    75,	/* Left */
    28,	/* Enter */
    77,	/* Right */
    -1,
     1,	/* Cycle (ESC) */
    80,	/* Down */
    62,	/* Menu (F4) */
    -1,
    66,	/* Zoom- (F8) */
    64,	/* FullScreen (F6) */
    65,	/* Zoom+ (F7) */
    -1,
};

static void n800_tsc_kbd_setup(struct n800_s *s)
{
    int i;

    /* XXX: are the three pins inverted inside the chip between the
     * tsc and the cpu (N4111)?  */
    qemu_irq penirq = 0;	/* NC */
    qemu_irq kbirq = omap2_gpio_in_get(s->cpu->gpif, N800_TSC_KP_IRQ_GPIO)[0];
    qemu_irq dav = omap2_gpio_in_get(s->cpu->gpif, N800_TSC_TS_GPIO)[0];

    s->ts.chip = tsc2301_init(penirq, kbirq, dav, 0);
    s->ts.opaque = s->ts.chip->opaque;
    s->ts.txrx = tsc210x_txrx;

    for (i = 0; i < 0x80; i ++)
        s->keymap[i] = -1;
    for (i = 0; i < 0x10; i ++)
        if (n800_keys[i] >= 0)
            s->keymap[n800_keys[i]] = i;

    qemu_add_kbd_event_handler(n800_key_event, s);

    tsc210x_set_transform(s->ts.chip, &n800_pointercal);
}

static void n810_tsc_setup(struct n800_s *s)
{
    qemu_irq pintdav = omap2_gpio_in_get(s->cpu->gpif, N810_TSC_TS_GPIO)[0];

    s->ts.opaque = tsc2005_init(pintdav);
    s->ts.txrx = tsc2005_txrx;

    tsc2005_set_transform(s->ts.opaque, &n810_pointercal);
}

/* N810 Keyboard controller */
static void n810_key_event(void *opaque, int keycode)
{
    struct n800_s *s = (struct n800_s *) opaque;
    int code = s->keymap[keycode & 0x7f];

    if (code == -1) {
        if ((keycode & 0x7f) == RETU_KEYCODE)
            retu_key_event(s->retu, !(keycode & 0x80));
        return;
    }

    lm832x_key_event(s->kbd, code, !(keycode & 0x80));
}

#define M	0

static int n810_keys[0x80] = {
    [0x01] = 16,	/* Q */
    [0x02] = 37,	/* K */
    [0x03] = 24,	/* O */
    [0x04] = 25,	/* P */
    [0x05] = 14,	/* Backspace */
    [0x06] = 30,	/* A */
    [0x07] = 31,	/* S */
    [0x08] = 32,	/* D */
    [0x09] = 33,	/* F */
    [0x0a] = 34,	/* G */
    [0x0b] = 35,	/* H */
    [0x0c] = 36,	/* J */

    [0x11] = 17,	/* W */
    [0x12] = 62,	/* Menu (F4) */
    [0x13] = 38,	/* L */
    [0x14] = 40,	/* ' (Apostrophe) */
    [0x16] = 44,	/* Z */
    [0x17] = 45,	/* X */
    [0x18] = 46,	/* C */
    [0x19] = 47,	/* V */
    [0x1a] = 48,	/* B */
    [0x1b] = 49,	/* N */
    [0x1c] = 42,	/* Shift (Left shift) */
    [0x1f] = 65,	/* Zoom+ (F7) */

    [0x21] = 18,	/* E */
    [0x22] = 39,	/* ; (Semicolon) */
    [0x23] = 12,	/* - (Minus) */
    [0x24] = 13,	/* = (Equal) */
    [0x2b] = 56,	/* Fn (Left Alt) */
    [0x2c] = 50,	/* M */
    [0x2f] = 66,	/* Zoom- (F8) */

    [0x31] = 19,	/* R */
    [0x32] = 29 | M,	/* Right Ctrl */
    [0x34] = 57,	/* Space */
    [0x35] = 51,	/* , (Comma) */
    [0x37] = 72 | M,	/* Up */
    [0x3c] = 82 | M,	/* Compose (Insert) */
    [0x3f] = 64,	/* FullScreen (F6) */

    [0x41] = 20,	/* T */
    [0x44] = 52,	/* . (Dot) */
    [0x46] = 77 | M,	/* Right */
    [0x4f] = 63,	/* Home (F5) */
    [0x51] = 21,	/* Y */
    [0x53] = 80 | M,	/* Down */
    [0x55] = 28,	/* Enter */
    [0x5f] =  1,	/* Cycle (ESC) */

    [0x61] = 22,	/* U */
    [0x64] = 75 | M,	/* Left */

    [0x71] = 23,	/* I */
#if 0
    [0x75] = 28 | M,	/* KP Enter (KP Enter) */
#else
    [0x75] = 15,	/* KP Enter (Tab) */
#endif
};

#undef M

static void n810_kbd_setup(struct n800_s *s)
{
    qemu_irq kbd_irq = omap2_gpio_in_get(s->cpu->gpif, N810_KEYBOARD_GPIO)[0];
    int i;

    for (i = 0; i < 0x80; i ++)
        s->keymap[i] = -1;
    for (i = 0; i < 0x80; i ++)
        if (n810_keys[i] > 0)
            s->keymap[n810_keys[i]] = i;

    qemu_add_kbd_event_handler(n810_key_event, s);

    /* Attach the LM8322 keyboard to the I2C bus,
     * should happen in n8x0_i2c_setup and s->kbd be initialised here.  */
    s->kbd = lm8323_init(s->i2c, kbd_irq);
    i2c_set_slave_address(s->kbd, N810_LM8323_ADDR);
}

/* LCD MIPI DBI-C controller (URAL) */
struct mipid_s {
    int resp[4];
    int param[4];
    int p;
    int pm;
    int cmd;

    int sleep;
    int booster;
    int te;
    int selfcheck;
    int partial;
    int normal;
    int vscr;
    int invert;
    int onoff;
    int gamma;
    uint32_t id;
};

static void mipid_reset(struct mipid_s *s)
{
    if (!s->sleep)
        fprintf(stderr, "%s: Display off\n", __FUNCTION__);

    s->pm = 0;
    s->cmd = 0;

    s->sleep = 1;
    s->booster = 0;
    s->selfcheck =
            (1 << 7) |	/* Register loading OK.  */
            (1 << 5) |	/* The chip is attached.  */
            (1 << 4);	/* Display glass still in one piece.  */
    s->te = 0;
    s->partial = 0;