/*******************************************************************************
Samsung S3C2400 / S3C2410 / S3C2440
*******************************************************************************/
#include "emu.h"
#include "cpu/arm7/arm7.h"
#include "cpu/arm7/arm7core.h"
//#include "includes/s3c24xx.h"
#include "coreutil.h"
/*******************************************************************************
MACROS & CONSTANTS
*******************************************************************************/
//#define UART_PRINTF
#define CLOCK_MULTIPLIER 1
#define BIT(x,n) (((x)>>(n))&1)
#define BITS(x,m,n) (((x)>>(n))&(((UINT32)1<<((m)-(n)+1))-1))
#define CLR_BITS(x,m,n) ((x) & ~((((UINT32)1 << ((m) - (n) + 1)) - 1) << n))
#if defined(DEVICE_S3C2400)
#define S3C24XX_TPAL_GET_TPALEN(x) BIT(x,16)
#define S3C24XX_TPAL_GET_TPALVAL(x) BITS(x,15,0)
#else
#define S3C24XX_TPAL_GET_TPALEN(x) BIT(x,24)
#define S3C24XX_TPAL_GET_TPALVAL(x) BITS(x,23,0)
#endif
#define S3C24XX_DCON_GET_TC(x) BITS(x,19,0)
#define S3C24XX_DCON_GET_DSZ(x) BITS(x,21,20)
#define S3C24XX_DCON_GET_RELOAD(x) BIT(x,22)
#define S3C24XX_DCON_GET_SWHWSEL(x) BIT(x,23)
#define S3C24XX_DSTAT_GET_CURR_TC(x) BITS(x,19,0)
#define S3C24XX_DSTAT_SET_CURR_TC(x,m) (CLR_BITS(x,19,0) | m)
#define S3C24XX_DMASKTRIG_GET_ON_OFF(x) BIT(x,1)
#if defined(DEVICE_S3C2400)
#define S3C24XX_DCON_GET_HWSRCSEL(x) BITS(x,25,24)
#define S3C24XX_DCON_GET_SERVMODE(x) BIT(x,26)
#define S3C24XX_DCON_GET_TSZ(x) BIT(x,27)
#define S3C24XX_DCON_GET_INT(x) BIT(x,28)
#define S3C24XX_DISRC_GET_SADDR(x) BITS(x,28,0)
#define S3C24XX_DIDST_GET_DADDR(x) BITS(x,28,0)
#define S3C24XX_DCSRC_GET_CURR_SRC(x) BITS(x,28,0)
#define S3C24XX_DCSRC_SET_CURR_SRC(x,m) (CLR_BITS(x,28,0) | m)
#define S3C24XX_DCDST_GET_CURR_DST(x) BITS(x,28,0)
#define S3C24XX_DCDST_SET_CURR_DST(x,m) (CLR_BITS(x,28,0) | m)
#else
#define S3C24XX_DCON_GET_HWSRCSEL(x) BITS(x,26,24)
#define S3C24XX_DCON_GET_SERVMODE(x) BIT(x,27)
#define S3C24XX_DCON_GET_TSZ(x) BIT(x,28)
#define S3C24XX_DCON_GET_INT(x) BIT(x,29)
#define S3C24XX_DISRC_GET_SADDR(x) BITS(x,30,0)
#define S3C24XX_DIDST_GET_DADDR(x) BITS(x,30,0)
#define S3C24XX_DCSRC_GET_CURR_SRC(x) BITS(x,30,0)
#define S3C24XX_DCSRC_SET_CURR_SRC(x,m) (CLR_BITS(x,30,0) | m)
#define S3C24XX_DCDST_GET_CURR_DST(x) BITS(x,30,0)
#define S3C24XX_DCDST_SET_CURR_DST(x,m) (CLR_BITS(x,30,0) | m)
#endif
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
#if defined(DEVICE_S3C2400)
typedef s3c2400_interface s3c24xx_interface;
#elif defined(DEVICE_S3C2410)
typedef s3c2410_interface s3c24xx_interface;
#elif defined(DEVICE_S3C2440)
typedef s3c2440_interface s3c24xx_interface;
#endif
/***************************************************************************
PROTOTYPES
***************************************************************************/
static UINT32 s3c24xx_get_fclk( device_t *device);
static UINT32 s3c24xx_get_hclk( device_t *device);
static UINT32 s3c24xx_get_pclk( device_t *device);
static void s3c24xx_dma_request_iis( device_t *device);
static void s3c24xx_dma_request_pwm( device_t *device);
/***************************************************************************
INLINE FUNCTIONS
***************************************************************************/
INLINE s3c24xx_t *get_token( device_t *device)
{
assert(device != NULL);
#if defined(DEVICE_S3C2400)
return (s3c24xx_t *)downcast<s3c2400_device *>(device)->token();
#elif defined(DEVICE_S3C2410)
return (s3c24xx_t *)downcast<s3c2410_device *>(device)->token();
#elif defined(DEVICE_S3C2440)
return (s3c24xx_t *)downcast<s3c2440_device *>(device)->token();
#endif
}
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
/* ... */
static void s3c24xx_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device );
verboselog( device->machine(), 1, "reset\n");
s3c24xx->m_cpu->reset();
device->reset();
}
INLINE int iface_core_pin_r( device_t *device, int pin)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->core.pin_r)
{
return (s3c24xx->iface->core.pin_r)( device, pin);
}
else
{
return 0;
}
}
/* LCD Controller */
static void s3c24xx_lcd_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_lcd_t *lcd = &s3c24xx->lcd;
memset( &lcd->regs, 0, sizeof( lcd->regs));
#if defined(DEVICE_S3C2410)
lcd->regs.lcdintmsk = 3;
lcd->regs.lpcsel = 4;
#elif defined(DEVICE_S3C2440)
lcd->regs.lcdintmsk = 3;
lcd->regs.tconsel = 0x0F84;
#endif
lcd->vramaddr_cur = lcd->vramaddr_max = 0;
lcd->offsize = 0;
lcd->pagewidth_cur = lcd->pagewidth_max = 0;
lcd->bppmode = 0;
lcd->bswp = lcd->hwswp = 0;
lcd->vpos = lcd->hpos = 0;
lcd->framerate = 0;
lcd->tpal = 0;
lcd->hpos_min = lcd->hpos_max = lcd->vpos_min = lcd->vpos_max = 0;
lcd->dma_data = lcd->dma_bits = 0;
lcd->timer->adjust( attotime::never);
}
static rgb_t s3c24xx_get_color_tft_16( device_t *device, UINT16 data)
{
s3c24xx_t *s3c24xx = get_token( device);
if ((s3c24xx->lcd.regs.lcdcon5 & (1 << 11)) == 0)
{
UINT8 r, g, b, i;
r = (BITS( data, 15, 11) << 3);
g = (BITS( data, 10, 6) << 3);
b = (BITS( data, 5, 1) << 3);
i = BIT( data, 1) << 2;
return MAKE_RGB( r | i, g | i, b | i);
}
else
{
UINT8 r, g, b;
r = BITS( data, 15, 11) << 3;
g = BITS( data, 10, 5) << 2;
b = BITS( data, 4, 0) << 3;
return MAKE_RGB( r, g, b);
}
}
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static rgb_t s3c24xx_get_color_tft_24( device_t *device, UINT32 data)
{
UINT8 r, g, b;
r = BITS( data, 23, 16);
g = BITS( data, 15, 8);
b = BITS( data, 7, 0);
return MAKE_RGB( r, g, b);
}
#endif
static rgb_t s3c24xx_get_color_stn_12( device_t *device, UINT16 data)
{
UINT8 r, g, b;
r = BITS( data, 11, 8) << 4;
g = BITS( data, 7, 4) << 4;
b = BITS( data, 3, 0) << 4;
return MAKE_RGB( r, g, b);
}
static rgb_t s3c24xx_get_color_stn_08( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT8 r, g, b;
r = ((s3c24xx->lcd.regs.redlut >> (BITS( data, 7, 5) << 2)) & 0xF) << 4;
g = ((s3c24xx->lcd.regs.greenlut >> (BITS( data, 4, 2) << 2)) & 0xF) << 4;
b = ((s3c24xx->lcd.regs.bluelut >> (BITS( data, 1, 0) << 2)) & 0xF) << 4;
return MAKE_RGB( r, g, b);
}
static rgb_t s3c24xx_get_color_stn_01( device_t *device, UINT8 data)
{
if ((data & 1) == 0)
{
return RGB_BLACK;
}
else
{
return RGB_WHITE;
}
}
static rgb_t s3c24xx_get_color_stn_02( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT8 r, g, b;
r = g = b = ((s3c24xx->lcd.regs.bluelut >> (BITS( data, 1, 0) << 2)) & 0xF) << 4;
return MAKE_RGB( r, g, b);
}
static rgb_t s3c24xx_get_color_stn_04( device_t *device, UINT8 data)
{
UINT8 r, g, b;
r = g = b = BITS( data, 3, 0) << 4;
return MAKE_RGB( r, g, b);
}
static rgb_t s3c24xx_get_color_tpal( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
#if defined(DEVICE_S3C2400)
return s3c24xx_get_color_tft_16( device, S3C24XX_TPAL_GET_TPALVAL( s3c24xx->lcd.tpal));
#else
return s3c24xx_get_color_tft_24( device, S3C24XX_TPAL_GET_TPALVAL( s3c24xx->lcd.tpal));
#endif
}
static void s3c24xx_lcd_dma_reload( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx->lcd.vramaddr_cur = s3c24xx->lcd.regs.lcdsaddr1 << 1;
s3c24xx->lcd.vramaddr_max = ((s3c24xx->lcd.regs.lcdsaddr1 & 0xFFE00000) | s3c24xx->lcd.regs.lcdsaddr2) << 1;
s3c24xx->lcd.offsize = BITS( s3c24xx->lcd.regs.lcdsaddr3, 21, 11);
s3c24xx->lcd.pagewidth_cur = 0;
s3c24xx->lcd.pagewidth_max = BITS( s3c24xx->lcd.regs.lcdsaddr3, 10, 0);
if (s3c24xx->lcd.pagewidth_max == 0)
{
if (s3c24xx->lcd.bppmode == S3C24XX_BPPMODE_STN_12_P)
{
s3c24xx->lcd.pagewidth_max = (s3c24xx->lcd.hpos_max - s3c24xx->lcd.hpos_min + 1) / 16 * 12;
}
}
verboselog( device->machine(), 3, "LCD - vramaddr %08X %08X offsize %08X pagewidth %08X\n", s3c24xx->lcd.vramaddr_cur, s3c24xx->lcd.vramaddr_max, s3c24xx->lcd.offsize, s3c24xx->lcd.pagewidth_max);
s3c24xx->lcd.dma_data = 0;
s3c24xx->lcd.dma_bits = 0;
}
static void s3c24xx_lcd_dma_init( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx->lcd.bppmode = BITS( s3c24xx->lcd.regs.lcdcon1, 4, 1);
s3c24xx_lcd_dma_reload( device);
s3c24xx->lcd.bswp = BIT( s3c24xx->lcd.regs.lcdcon5, 1);
s3c24xx->lcd.hwswp = BIT( s3c24xx->lcd.regs.lcdcon5, 0);
s3c24xx->lcd.tpal = s3c24xx->lcd.regs.tpal;
verboselog( device->machine(), 3, "LCD - bppmode %d hwswp %d bswp %d\n", s3c24xx->lcd.bppmode, s3c24xx->lcd.hwswp, s3c24xx->lcd.bswp);
s3c24xx->lcd.dma_data = 0;
s3c24xx->lcd.dma_bits = 0;
}
#if 0
static UINT32 s3c24xx_lcd_dma_read( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
address_space& space = m_cpu->memory().space( AS_PROGRAM);
UINT8 *vram, data[4];
vram = (UINT8 *)space.get_read_ptr( s3c24xx->lcd.vramaddr_cur);
for (int i = 0; i < 2; i++)
{
data[i*2+0] = *vram++;
data[i*2+1] = *vram++;
s3c24xx->lcd.vramaddr_cur += 2;
s3c24xx->lcd.pagewidth_cur++;
if (s3c24xx->lcd.pagewidth_cur >= s3c24xx->lcd.pagewidth_max)
{
s3c24xx->lcd.vramaddr_cur += s3c24xx->lcd.offsize << 1;
s3c24xx->lcd.pagewidth_cur = 0;
vram = (UINT8 *)space.get_read_ptr( s3c24xx->lcd.vramaddr_cur);
}
}
if (s3c24xx->lcd.hwswp == 0)
{
if (s3c24xx->lcd.bswp == 0)
{
return (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | (data[0] << 0);
}
else
{
return (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | (data[3] << 0);
}
}
else
{
if (s3c24xx->lcd.bswp == 0)
{
return (data[1] << 24) | (data[0] << 16) | (data[3] << 8) | (data[2] << 0);
}
else
{
return (data[2] << 24) | (data[3] << 16) | (data[0] << 8) | (data[1] << 0);
}
}
}
#endif
static UINT32 s3c24xx_lcd_dma_read( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
address_space& space = s3c24xx->m_cpu->memory().space( AS_PROGRAM);
UINT8 *vram, data[4];
vram = (UINT8 *)space.get_read_ptr( s3c24xx->lcd.vramaddr_cur);
for (int i = 0; i < 2; i++)
{
if (s3c24xx->lcd.hwswp == 0)
{
if (s3c24xx->lcd.bswp == 0)
{
if ((s3c24xx->lcd.vramaddr_cur & 2) == 0)
{
data[i*2+0] = *(vram + 3);
data[i*2+1] = *(vram + 2);
}
else
{
data[i*2+0] = *(vram - 1);
data[i*2+1] = *(vram - 2);
}
}
else
{
data[i*2+0] = *(vram + 0);
data[i*2+1] = *(vram + 1);
}
}
else
{
if (s3c24xx->lcd.bswp == 0)
{
data[i*2+0] = *(vram + 1);
data[i*2+1] = *(vram + 0);
}
else
{
if ((s3c24xx->lcd.vramaddr_cur & 2) == 0)
{
data[i*2+0] = *(vram + 2);
data[i*2+1] = *(vram + 3);
}
else
{
data[i*2+0] = *(vram - 2);
data[i*2+1] = *(vram - 1);
}
}
}
s3c24xx->lcd.vramaddr_cur += 2;
s3c24xx->lcd.pagewidth_cur++;
if (s3c24xx->lcd.pagewidth_cur >= s3c24xx->lcd.pagewidth_max)
{
s3c24xx->lcd.vramaddr_cur += s3c24xx->lcd.offsize << 1;
s3c24xx->lcd.pagewidth_cur = 0;
vram = (UINT8 *)space.get_read_ptr( s3c24xx->lcd.vramaddr_cur);
}
else
{
vram += 2;
}
}
if (s3c24xx->iface->lcd.flags & S3C24XX_INTERFACE_LCD_REVERSE)
{
return (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | (data[0] << 0);
}
else
{
return (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | (data[3] << 0);
}
}
static UINT32 s3c24xx_lcd_dma_read_bits( device_t *device, int count)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data;
if (count <= s3c24xx->lcd.dma_bits)
{
s3c24xx->lcd.dma_bits -= count;
data = BITS( s3c24xx->lcd.dma_data, 31, 32 - count);
s3c24xx->lcd.dma_data = s3c24xx->lcd.dma_data << count;
}
else
{
if (s3c24xx->lcd.dma_bits == 0)
{
if (count == 32)
{
data = s3c24xx_lcd_dma_read( device);
}
else
{
UINT32 temp = s3c24xx_lcd_dma_read( device);
data = BITS( temp, 31, 32 - count);
s3c24xx->lcd.dma_data = temp << count;
s3c24xx->lcd.dma_bits = 32 - count;
}
}
else
{
UINT32 temp = s3c24xx_lcd_dma_read( device);
data = (s3c24xx->lcd.dma_data >> (32 - count)) | BITS( temp, 31, 32 - (count - s3c24xx->lcd.dma_bits));
s3c24xx->lcd.dma_data = temp << (count - s3c24xx->lcd.dma_bits);
s3c24xx->lcd.dma_bits = 32 - (count - s3c24xx->lcd.dma_bits);
}
}
return data;
}
static void s3c24xx_lcd_render_tpal( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 color = s3c24xx_get_color_tpal( device);
for (int y = s3c24xx->lcd.vpos_min; y <= s3c24xx->lcd.vpos_max; y++)
{
UINT32 *scanline = &bitmap.pix32(y, s3c24xx->lcd.hpos_min);
for (int x = s3c24xx->lcd.hpos_min; x <= s3c24xx->lcd.hpos_max; x++)
{
*scanline++ = color;
}
}
}
static void s3c24xx_lcd_render_stn_01( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 32; j++)
{
if (s3c24xx->iface->lcd.flags & S3C24XX_INTERFACE_LCD_REVERSE)
{
*scanline++ = s3c24xx_get_color_stn_01( device, data & 0x01);
data = data >> 1;
}
else
{
*scanline++ = s3c24xx_get_color_stn_01( device, (data >> 31) & 0x01);
data = data << 1;
}
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 4))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_stn_02( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 16; j++)
{
*scanline++ = s3c24xx_get_color_stn_02( device, (data >> 30) & 0x03);
data = data << 2;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 3))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_stn_04( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 8; j++)
{
*scanline++ = s3c24xx_get_color_stn_04( device, (data >> 28) & 0x0F);
data = data << 4;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 2))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_stn_08( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 4; j++)
{
*scanline++ = s3c24xx_get_color_stn_08( device, (data >> 24) & 0xFF);
data = data << 8;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 1))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_stn_12_p( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 16; i++)
{
*scanline++ = s3c24xx_get_color_stn_12( device, s3c24xx_lcd_dma_read_bits( device, 12));
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max * 16 / 12))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
static void s3c24xx_lcd_render_stn_12_u( device_t *device) // not tested
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 2; j++)
{
*scanline++ = s3c24xx_get_color_stn_12( device, (data >> 16) & 0x0FFF);
data = data << 16;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 0))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_tft_01( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 32; j++)
{
*scanline++ = palette_get_color( device->machine(), (data >> 31) & 0x01);
data = data << 1;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 4))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_tft_02( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 16; j++)
{
*scanline++ = palette_get_color( device->machine(), (data >> 30) & 0x03);
data = data << 2;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 3))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_tft_04( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 8; j++)
{
*scanline++ = palette_get_color( device->machine(), (data >> 28) & 0x0F);
data = data << 4;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 2))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_tft_08( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 4; j++)
{
*scanline++ = palette_get_color( device->machine(), (data >> 24) & 0xFF);
data = data << 8;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 1))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static void s3c24xx_lcd_render_tft_16( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
bitmap_rgb32 &bitmap = *s3c24xx->lcd.bitmap[0];
UINT32 *scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
for (int i = 0; i < 4; i++)
{
UINT32 data = s3c24xx_lcd_dma_read( device);
for (int j = 0; j < 2; j++)
{
*scanline++ = s3c24xx_get_color_tft_16( device, (data >> 16) & 0xFFFF);
data = data << 16;
s3c24xx->lcd.hpos++;
if (s3c24xx->lcd.hpos >= s3c24xx->lcd.hpos_min + (s3c24xx->lcd.pagewidth_max << 0))
{
s3c24xx->lcd.vpos++;
if (s3c24xx->lcd.vpos > s3c24xx->lcd.vpos_max) s3c24xx->lcd.vpos = s3c24xx->lcd.vpos_min;
s3c24xx->lcd.hpos = s3c24xx->lcd.hpos_min;
scanline = &bitmap.pix32(s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
}
}
}
}
static TIMER_CALLBACK( s3c24xx_lcd_timer_exp )
{
device_t *device = (device_t *)ptr;
s3c24xx_t *s3c24xx = get_token( device);
screen_device *screen = machine.primary_screen;
UINT32 tpalen;
verboselog( machine, 2, "LCD timer callback\n");
s3c24xx->lcd.vpos = screen->vpos();
s3c24xx->lcd.hpos = screen->hpos();
verboselog( machine, 3, "LCD - vpos %d hpos %d\n", s3c24xx->lcd.vpos, s3c24xx->lcd.hpos);
tpalen = S3C24XX_TPAL_GET_TPALEN( s3c24xx->lcd.tpal);
if (tpalen == 0)
{
if (s3c24xx->lcd.vramaddr_cur >= s3c24xx->lcd.vramaddr_max)
{
s3c24xx_lcd_dma_reload( device);
}
verboselog( machine, 3, "LCD - vramaddr %08X\n", s3c24xx->lcd.vramaddr_cur);
while (s3c24xx->lcd.vramaddr_cur < s3c24xx->lcd.vramaddr_max)
{
switch (s3c24xx->lcd.bppmode)
{
case S3C24XX_BPPMODE_STN_01 : s3c24xx_lcd_render_stn_01( device); break;
case S3C24XX_BPPMODE_STN_02 : s3c24xx_lcd_render_stn_02( device); break;
case S3C24XX_BPPMODE_STN_04 : s3c24xx_lcd_render_stn_04( device); break;
case S3C24XX_BPPMODE_STN_08 : s3c24xx_lcd_render_stn_08( device); break;
case S3C24XX_BPPMODE_STN_12_P : s3c24xx_lcd_render_stn_12_p( device); break;
case S3C24XX_BPPMODE_STN_12_U : s3c24xx_lcd_render_stn_12_u( device); break;
case S3C24XX_BPPMODE_TFT_01 : s3c24xx_lcd_render_tft_01( device); break;
case S3C24XX_BPPMODE_TFT_02 : s3c24xx_lcd_render_tft_02( device); break;
case S3C24XX_BPPMODE_TFT_04 : s3c24xx_lcd_render_tft_04( device); break;
case S3C24XX_BPPMODE_TFT_08 : s3c24xx_lcd_render_tft_08( device); break;
case S3C24XX_BPPMODE_TFT_16 : s3c24xx_lcd_render_tft_16( device); break;
default : verboselog( machine, 0, "s3c24xx_lcd_timer_exp: bppmode %d not supported\n", s3c24xx->lcd.bppmode); break;
}
if ((s3c24xx->lcd.vpos == s3c24xx->lcd.vpos_min) && (s3c24xx->lcd.hpos == s3c24xx->lcd.hpos_min)) break;
}
}
else
{
s3c24xx_lcd_render_tpal( device);
}
s3c24xx->lcd.timer->adjust( screen->time_until_pos( s3c24xx->lcd.vpos, s3c24xx->lcd.hpos));
}
static void s3c24xx_video_start( device_t *device, running_machine &machine)
{
s3c24xx_t *s3c24xx = get_token( device);
screen_device *screen = machine.primary_screen;
s3c24xx->lcd.bitmap[0] = auto_bitmap_rgb32_alloc(machine, screen->width(), screen->height());
s3c24xx->lcd.bitmap[1] = auto_bitmap_rgb32_alloc(machine, screen->width(), screen->height());
}
static void bitmap_blend( bitmap_rgb32 &bitmap_dst, bitmap_rgb32 &bitmap_src_1, bitmap_rgb32 &bitmap_src_2)
{
for (int y = 0; y < bitmap_dst.height(); y++)
{
UINT32 *line0 = &bitmap_src_1.pix32(y);
UINT32 *line1 = &bitmap_src_2.pix32(y);
UINT32 *line2 = &bitmap_dst.pix32(y);
for (int x = 0; x < bitmap_dst.width(); x++)
{
UINT32 color0 = line0[x];
UINT32 color1 = line1[x];
UINT16 r0 = (color0 >> 16) & 0x000000ff;
UINT16 g0 = (color0 >> 8) & 0x000000ff;
UINT16 b0 = (color0 >> 0) & 0x000000ff;
UINT16 r1 = (color1 >> 16) & 0x000000ff;
UINT16 g1 = (color1 >> 8) & 0x000000ff;
UINT16 b1 = (color1 >> 0) & 0x000000ff;
UINT8 r = (UINT8)((r0 + r1) >> 1);
UINT8 g = (UINT8)((g0 + g1) >> 1);
UINT8 b = (UINT8)((b0 + b1) >> 1);
line2[x] = (r << 16) | (g << 8) | b;
}
}
}
static UINT32 s3c24xx_video_update( device_t *device, screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->lcd.regs.lcdcon1 & (1 << 0))
{
if (s3c24xx->lcd.framerate >= 1195)
{
bitmap_blend( bitmap, *s3c24xx->lcd.bitmap[0], *s3c24xx->lcd.bitmap[1]);
copybitmap( *s3c24xx->lcd.bitmap[1], *s3c24xx->lcd.bitmap[0], 0, 0, 0, 0, cliprect);
}
else
{
copybitmap( bitmap, *s3c24xx->lcd.bitmap[0], 0, 0, 0, 0, cliprect);
}
s3c24xx_lcd_dma_init( device);
}
return 0;
}
#if defined(DEVICE_S3C2400)
READ32_DEVICE_HANDLER( s3c2400_lcd_r )
#elif defined(DEVICE_S3C2410)
READ32_DEVICE_HANDLER( s3c2410_lcd_r )
#elif defined(DEVICE_S3C2440)
READ32_DEVICE_HANDLER( s3c2440_lcd_r )
#endif
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->lcd.regs)[offset];
switch (offset)
{
case S3C24XX_LCDCON1 :
{
// make sure line counter is going
UINT32 vpos = device->machine().primary_screen->vpos();
if (vpos < s3c24xx->lcd.vpos_min) vpos = s3c24xx->lcd.vpos_min;
if (vpos > s3c24xx->lcd.vpos_max) vpos = s3c24xx->lcd.vpos_max;
data = (data & ~0xFFFC0000) | ((s3c24xx->lcd.vpos_max - vpos) << 18);
}
break;
case S3C24XX_LCDCON5 :
{
UINT32 vpos = device->machine().primary_screen->vpos();
data = data & ~0x00018000;
if (vpos < s3c24xx->lcd.vpos_min) data = data | 0x00000000;
if (vpos > s3c24xx->lcd.vpos_max) data = data | 0x00018000;
// todo: 00 = VSYNC, 01 = BACK Porch, 10 = ACTIVE, 11 = FRONT Porch
}
break;
}
verboselog( device->machine(), 9, "(LCD) %08X -> %08X\n", S3C24XX_BASE_LCD + (offset << 2), data);
return data;
}
static int s3c24xx_lcd_configure_tft( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
screen_device *screen = device->machine().primary_screen;
UINT32 vspw, vbpd, lineval, vfpd, hspw, hbpd, hfpd, hozval, clkval, hclk;
double framerate, vclk;
UINT32 width, height;
rectangle visarea;
verboselog( device->machine(), 5, "s3c24xx_lcd_configure_tft\n");
vspw = BITS( s3c24xx->lcd.regs.lcdcon2, 5, 0);
vbpd = BITS( s3c24xx->lcd.regs.lcdcon2, 31, 24);
lineval = BITS( s3c24xx->lcd.regs.lcdcon2, 23, 14);
vfpd = BITS( s3c24xx->lcd.regs.lcdcon2, 13, 6);
hspw = BITS( s3c24xx->lcd.regs.lcdcon4, 7, 0);
hbpd = BITS( s3c24xx->lcd.regs.lcdcon3, 25, 19);
hfpd = BITS( s3c24xx->lcd.regs.lcdcon3, 7, 0);
hozval = BITS( s3c24xx->lcd.regs.lcdcon3, 18, 8);
clkval = BITS( s3c24xx->lcd.regs.lcdcon1, 17, 8);
hclk = s3c24xx_get_hclk( device);
verboselog( device->machine(), 3, "LCD - vspw %d vbpd %d lineval %d vfpd %d hspw %d hbpd %d hfpd %d hozval %d clkval %d hclk %d\n", vspw, vbpd, lineval, vfpd, hspw, hbpd, hfpd, hozval, clkval, hclk);
vclk = (double)(hclk / ((clkval + 1) * 2));
verboselog( device->machine(), 3, "LCD - vclk %f\n", vclk);
framerate = vclk / (((vspw + 1) + (vbpd + 1) + (lineval + 1) + (vfpd + 1)) * ((hspw + 1) + (hbpd + 1) + (hozval + 1) + (hfpd + 1)));
verboselog( device->machine(), 3, "LCD - framerate %f\n", framerate);
s3c24xx->lcd.framerate = framerate;
width = (hspw + 1) + (hbpd + 1) + (hozval + 1) + (hfpd + 1);
height = (vspw + 1) + (vbpd + 1) + (lineval + 1) + (vfpd + 1);
visarea.min_x = (hspw + 1) + (hbpd + 1);
visarea.min_y = (vspw + 1) + (vbpd + 1);
visarea.max_x = visarea.min_x + (hozval + 1) - 1;
visarea.max_y = visarea.min_y + (lineval + 1) - 1;
verboselog( device->machine(), 3, "LCD - visarea min_x %d min_y %d max_x %d max_y %d\n", visarea.min_x, visarea.min_y, visarea.max_x, visarea.max_y);
verboselog( device->machine(), 3, "video_screen_configure %d %d %f\n", width, height, s3c24xx->lcd.framerate);
s3c24xx->lcd.hpos_min = (hspw + 1) + (hbpd + 1);
s3c24xx->lcd.hpos_max = s3c24xx->lcd.hpos_min + (hozval + 1) - 1;
s3c24xx->lcd.vpos_min = (vspw + 1) + (vbpd + 1);
s3c24xx->lcd.vpos_max = s3c24xx->lcd.vpos_min + (lineval + 1) - 1;
screen->configure( width, height, visarea, HZ_TO_ATTOSECONDS( s3c24xx->lcd.framerate));
return TRUE;
}
static int s3c24xx_lcd_configure_stn( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
screen_device *screen = device->machine().primary_screen;
UINT32 pnrmode, bppmode, clkval, lineval, wdly, hozval, lineblank, wlh, hclk;
double vclk, framerate;
UINT32 width, height;
rectangle visarea;
verboselog( device->machine(), 5, "s3c24xx_lcd_configure_stn\n");
pnrmode = BITS( s3c24xx->lcd.regs.lcdcon1, 6, 5);
bppmode = BITS( s3c24xx->lcd.regs.lcdcon1, 4, 1);
clkval = BITS( s3c24xx->lcd.regs.lcdcon1, 17, 8);
lineval = BITS( s3c24xx->lcd.regs.lcdcon2, 23, 14);
wdly = BITS( s3c24xx->lcd.regs.lcdcon3, 20, 19);
hozval = BITS( s3c24xx->lcd.regs.lcdcon3, 18, 8);
lineblank = BITS( s3c24xx->lcd.regs.lcdcon3, 7, 0);
wlh = BITS( s3c24xx->lcd.regs.lcdcon4, 1, 0);
hclk = s3c24xx_get_hclk( device);
verboselog( device->machine(), 3, "LCD - pnrmode %d bppmode %d clkval %d lineval %d wdly %d hozval %d lineblank %d wlh %d hclk %d\n", pnrmode, bppmode, clkval, lineval, wdly, hozval, lineblank, wlh, hclk);
if (clkval == 0)
{
return FALSE;
}
vclk = (double)(hclk / ((clkval + 0) * 2));
verboselog( device->machine(), 3, "LCD - vclk %f\n", vclk);
framerate = 1 / (((1 / vclk) * (hozval + 1) + (1 / hclk) * ((1 << (4 + wlh)) + (1 << (4 + wdly)) + (lineblank * 8))) * (lineval + 1));
verboselog( device->machine(), 3, "LCD - framerate %f\n", framerate);
switch (pnrmode)
{
case S3C24XX_PNRMODE_STN_04_SS : width = ((hozval + 1) * 4); break;
case S3C24XX_PNRMODE_STN_04_DS : width = ((hozval + 1) * 4); break;
case S3C24XX_PNRMODE_STN_08_SS : width = ((hozval + 1) * 8 / 3); break;
default : width = 0; break;
}
height = lineval + 1;
s3c24xx->lcd.framerate = framerate;
visarea.set(0, width - 1, 0, height - 1);
verboselog( device->machine(), 3, "LCD - visarea min_x %d min_y %d max_x %d max_y %d\n", visarea.min_x, visarea.min_y, visarea.max_x, visarea.max_y);
verboselog( device->machine(), 3, "video_screen_configure %d %d %f\n", width, height, s3c24xx->lcd.framerate);
s3c24xx->lcd.hpos_min = 0;
s3c24xx->lcd.hpos_max = width - 1;
s3c24xx->lcd.vpos_min = 0;
s3c24xx->lcd.vpos_max = height - 1;
screen->configure( width, height, visarea, HZ_TO_ATTOSECONDS( s3c24xx->lcd.framerate));
return TRUE;
}
static int s3c24xx_lcd_configure( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 bppmode;
verboselog( device->machine(), 5, "s3c24xx_lcd_configure\n");
bppmode = BITS( s3c24xx->lcd.regs.lcdcon1, 4, 1);
if ((bppmode & (1 << 3)) == 0)
{
return s3c24xx_lcd_configure_stn( device);
}
else
{
return s3c24xx_lcd_configure_tft( device);
}
}
static void s3c24xx_lcd_start( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
screen_device *screen = device->machine().primary_screen;
verboselog( device->machine(), 1, "LCD start\n");
if (s3c24xx_lcd_configure( device))
{
s3c24xx_lcd_dma_init( device);
s3c24xx->lcd.timer->adjust( screen->time_until_pos( s3c24xx->lcd.vpos_min, s3c24xx->lcd.hpos_min));
}
}
static void s3c24xx_lcd_stop( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 1, "LCD stop\n");
s3c24xx->lcd.timer->adjust( attotime::never);
}
static void s3c24xx_lcd_recalc( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->lcd.regs.lcdcon1 & (1 << 0))
{
s3c24xx_lcd_start( device);
}
else
{
s3c24xx_lcd_stop( device);
}
}
static WRITE32_DEVICE_HANDLER( s3c24xx_lcd_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->lcd.regs)[offset];
verboselog( device->machine(), 9, "(LCD) %08X <- %08X\n", S3C24XX_BASE_LCD + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->lcd.regs)[offset]);
switch (offset)
{
case S3C24XX_LCDCON1 :
{
if ((old_value & (1 << 0)) != (data & (1 << 0)))
{
s3c24xx_lcd_recalc( device);
}
}
break;
}
}
/* LCD Palette */
static READ32_DEVICE_HANDLER( s3c24xx_lcd_palette_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->lcdpal.regs.data[offset];
verboselog( device->machine(), 9, "(LCD) %08X -> %08X\n", S3C24XX_BASE_LCDPAL + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_lcd_palette_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(LCD) %08X <- %08X\n", S3C24XX_BASE_LCDPAL + (offset << 2), data);
COMBINE_DATA(&s3c24xx->lcdpal.regs.data[offset]);
if (mem_mask != 0xffffffff)
{
verboselog( device->machine(), 0, "s3c24xx_lcd_palette_w: unknown mask %08x\n", mem_mask);
}
palette_set_color( device->machine(), offset, s3c24xx_get_color_tft_16( device, data & 0xFFFF));
}
/* Clock & Power Management */
static void s3c24xx_clkpow_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_clkpow_t *clkpow = &s3c24xx->clkpow;
memset( &clkpow->regs, 0, sizeof( clkpow->regs));
#if defined(DEVICE_S3C2400)
clkpow->regs.locktime = 0x00FFFFFF;
clkpow->regs.mpllcon = 0x0005C080;
clkpow->regs.upllcon = 0x00028080;
clkpow->regs.clkcon = 0x0000FFF8;
#elif defined(DEVICE_S3C2410)
clkpow->regs.locktime = 0x00FFFFFF;
clkpow->regs.mpllcon = 0x0005C080;
clkpow->regs.upllcon = 0x00028080;
clkpow->regs.clkcon = 0x0007FFF0;
#elif defined(DEVICE_S3C2440)
clkpow->regs.locktime = 0xFFFFFFFF;
clkpow->regs.mpllcon = 0x00096030;
clkpow->regs.upllcon = 0x0004D030;
clkpow->regs.clkcon = 0x00FFFFF0;
#endif
clkpow->regs.clkslow = 4;
}
static UINT32 s3c24xx_get_fclk( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 mpllcon, clkslow, mdiv, pdiv, sdiv, fclk;
double temp1, temp2;
mpllcon = s3c24xx->clkpow.regs.mpllcon;
mdiv = BITS( mpllcon, 19, 12);
pdiv = BITS( mpllcon, 9, 4);
sdiv = BITS( mpllcon, 1, 0);
#if defined(DEVICE_S3C2400) || defined(DEVICE_S3C2410)
temp1 = 1 * (mdiv + 8) * (double)device->clock();
#else
temp1 = 2 * (mdiv + 8) * (double)device->clock();
#endif
temp2 = (double)((pdiv + 2) * (1 << sdiv));
fclk = (UINT32)(temp1 / temp2);
clkslow = s3c24xx->clkpow.regs.clkslow;
if (BIT( clkslow, 4) == 1)
{
UINT32 slow_val = BITS( clkslow, 2, 0);
if (slow_val > 0)
{
fclk = fclk / (2 * slow_val);
}
}
return fclk;
}
static UINT32 s3c24xx_get_hclk( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
#if defined(DEVICE_S3C2400) || defined(DEVICE_S3C2410)
return s3c24xx_get_fclk( device) / (BIT( s3c24xx->clkpow.regs.clkdivn, 1) + 1);
#else
switch (BITS( s3c24xx->clkpow.regs.clkdivn, 2, 1))
{
case 0 : return s3c24xx_get_fclk( device) / 1;
case 1 : return s3c24xx_get_fclk( device) / 2;
case 2 : return s3c24xx_get_fclk( device) / (4 * (BIT( s3c24xx->clkpow.regs.camdivn, 9) + 1));
case 3 : return s3c24xx_get_fclk( device) / (3 * (BIT( s3c24xx->clkpow.regs.camdivn, 8) + 1));
}
return 0;
#endif
}
static UINT32 s3c24xx_get_pclk( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
return s3c24xx_get_hclk( device) / (1 << BIT( s3c24xx->clkpow.regs.clkdivn, 0));
}
static READ32_DEVICE_HANDLER( s3c24xx_clkpow_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->clkpow.regs)[offset];
verboselog( device->machine(), 9, "(CLKPOW) %08X -> %08X\n", S3C24XX_BASE_CLKPOW + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_clkpow_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(CLKPOW) %08X <- %08X\n", S3C24XX_BASE_CLKPOW + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->clkpow.regs)[offset]);
switch (offset)
{
case S3C24XX_MPLLCON :
{
verboselog( device->machine(), 5, "CLKPOW - fclk %d hclk %d pclk %d\n", s3c24xx_get_fclk( device), s3c24xx_get_hclk( device), s3c24xx_get_pclk( device));
s3c24xx->m_cpu->set_unscaled_clock(s3c24xx_get_fclk( device) * CLOCK_MULTIPLIER);
}
break;
case S3C24XX_CLKSLOW :
{
verboselog( device->machine(), 5, "CLKPOW - fclk %d hclk %d pclk %d\n", s3c24xx_get_fclk( device), s3c24xx_get_hclk( device), s3c24xx_get_pclk( device));
s3c24xx->m_cpu->set_unscaled_clock(s3c24xx_get_fclk( device) * CLOCK_MULTIPLIER);
}
break;
}
}
/* Interrupt Controller */
static void s3c24xx_irq_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_irq_t *irq = &s3c24xx->irq;
memset( &irq->regs, 0, sizeof( irq->regs));
irq->line_irq = irq->line_fiq = CLEAR_LINE;
irq->regs.intmsk = 0xFFFFFFFF;
irq->regs.priority = 0x7F;
#if defined(DEVICE_S3C2410)
irq->regs.intsubmsk = 0x07FF;
#elif defined(DEVICE_S3C2440)
irq->regs.intsubmsk = 0xFFFF;
#endif
}
static void s3c24xx_check_pending_irq( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 temp;
// normal irq
if ((s3c24xx->irq.regs.intpnd == 0) && (s3c24xx->irq.regs.intoffset == 0)) // without this "touryuu" crashes
{
temp = (s3c24xx->irq.regs.srcpnd & ~s3c24xx->irq.regs.intmsk) & ~s3c24xx->irq.regs.intmod;
if (temp != 0)
{
UINT32 int_type = 0;
verboselog( device->machine(), 5, "srcpnd %08X intmsk %08X intmod %08X\n", s3c24xx->irq.regs.srcpnd, s3c24xx->irq.regs.intmsk, s3c24xx->irq.regs.intmod);
while ((temp & 1) == 0)
{
int_type++;
temp = temp >> 1;
}
verboselog( device->machine(), 5, "intpnd set bit %d\n", int_type);
s3c24xx->irq.regs.intpnd |= (1 << int_type);
s3c24xx->irq.regs.intoffset = int_type;
if (s3c24xx->irq.line_irq != ASSERT_LINE)
{
verboselog( device->machine(), 5, "ARM7_IRQ_LINE -> ASSERT_LINE\n");
s3c24xx->m_cpu->execute().set_input_line(ARM7_IRQ_LINE, ASSERT_LINE);
s3c24xx->irq.line_irq = ASSERT_LINE;
}
}
else
{
if (s3c24xx->irq.line_irq != CLEAR_LINE)
{
verboselog( device->machine(), 5, "srcpnd %08X intmsk %08X intmod %08X\n", s3c24xx->irq.regs.srcpnd, s3c24xx->irq.regs.intmsk, s3c24xx->irq.regs.intmod);
verboselog( device->machine(), 5, "ARM7_IRQ_LINE -> CLEAR_LINE\n");
s3c24xx->m_cpu->execute().set_input_line(ARM7_IRQ_LINE, CLEAR_LINE);
s3c24xx->irq.line_irq = CLEAR_LINE;
}
}
}
// fast irq
temp = (s3c24xx->irq.regs.srcpnd & ~s3c24xx->irq.regs.intmsk) & s3c24xx->irq.regs.intmod;
if (temp != 0)
{
UINT32 int_type = 0;
while ((temp & 1) == 0)
{
int_type++;
temp = temp >> 1;
}
if (s3c24xx->irq.line_fiq != ASSERT_LINE)
{
verboselog( device->machine(), 5, "ARM7_FIRQ_LINE -> ASSERT_LINE\n");
s3c24xx->m_cpu->execute().set_input_line(ARM7_FIRQ_LINE, ASSERT_LINE);
s3c24xx->irq.line_fiq = ASSERT_LINE;
}
}
else
{
if (s3c24xx->irq.line_fiq != CLEAR_LINE)
{
verboselog( device->machine(), 5, "ARM7_FIRQ_LINE -> CLEAR_LINE\n");
s3c24xx->m_cpu->execute().set_input_line(ARM7_FIRQ_LINE, CLEAR_LINE);
s3c24xx->irq.line_fiq = CLEAR_LINE;
}
}
}
static void s3c24xx_request_irq( device_t *device, UINT32 int_type)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "request irq %d\n", int_type);
s3c24xx->irq.regs.srcpnd |= (1 << int_type);
s3c24xx_check_pending_irq( device);
}
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static void s3c24xx_check_pending_subirq( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 temp = s3c24xx->irq.regs.subsrcpnd & ~s3c24xx->irq.regs.intsubmsk;
if (temp != 0)
{
UINT32 int_type = 0;
while ((temp & 1) == 0)
{
int_type++;
temp = temp >> 1;
}
s3c24xx_request_irq( device, MAP_SUBINT_TO_INT[int_type]);
}
}
ATTR_UNUSED static void s3c24xx_request_subirq( device_t *device, UINT32 int_type)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "request subirq %d\n", int_type);
s3c24xx->irq.regs.subsrcpnd |= (1 << int_type);
s3c24xx_check_pending_subirq( device);
}
static void s3c24xx_check_pending_eint( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 temp = s3c24xx->gpio.regs.eintpend & ~s3c24xx->gpio.regs.eintmask;
if (temp != 0)
{
UINT32 int_type = 0;
while ((temp & 1) == 0)
{
int_type++;
temp = temp >> 1;
}
if (int_type < 8)
{
s3c24xx_request_irq( device, S3C24XX_INT_EINT4_7);
}
else
{
s3c24xx_request_irq( device, S3C24XX_INT_EINT8_23);
}
}
}
ATTR_UNUSED static void s3c24xx_request_eint( device_t *device, UINT32 number)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "request external interrupt %d\n", number);
if (number < 4)
{
s3c24xx_request_irq( device, S3C24XX_INT_EINT0 + number);
}
else
{
s3c24xx->gpio.regs.eintpend |= (1 << number);
s3c24xx_check_pending_eint( device);
}
}
#endif
static READ32_DEVICE_HANDLER( s3c24xx_irq_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->irq.regs)[offset];
verboselog( device->machine(), 9, "(IRQ) %08X -> %08X\n", S3C24XX_BASE_INT + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_irq_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->irq.regs)[offset];
verboselog( device->machine(), 9, "(IRQ) %08X <- %08X\n", S3C24XX_BASE_INT + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->irq.regs)[offset]);
switch (offset)
{
case S3C24XX_SRCPND :
{
s3c24xx->irq.regs.srcpnd = (old_value & ~data); // clear only the bit positions of SRCPND corresponding to those set to one in the data
s3c24xx->irq.regs.intoffset = 0; // "This bit can be cleared automatically by clearing SRCPND and INTPND."
s3c24xx_check_pending_irq( device);
}
break;
case S3C24XX_INTMSK :
{
s3c24xx_check_pending_irq( device);
}
break;
case S3C24XX_INTPND :
{
s3c24xx->irq.regs.intpnd = (old_value & ~data); // clear only the bit positions of INTPND corresponding to those set to one in the data
s3c24xx->irq.regs.intoffset = 0; // "This bit can be cleared automatically by clearing SRCPND and INTPND."
s3c24xx_check_pending_irq( device);
}
break;
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
case S3C24XX_SUBSRCPND :
{
s3c24xx->irq.regs.subsrcpnd = (old_value & ~data); // clear only the bit positions of SRCPND corresponding to those set to one in the data
s3c24xx_check_pending_subirq( device);
}
break;
case S3C24XX_INTSUBMSK :
{
s3c24xx_check_pending_subirq( device);
}
break;
#endif
}
}
/* PWM Timer */
static void s3c24xx_pwm_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_pwm_t *pwm = &s3c24xx->pwm;
memset( &pwm->regs, 0, sizeof( pwm->regs));
for (int i = 0; i < 5; i++)
{
pwm->timer[i]->adjust( attotime::never);
}
}
static UINT16 s3c24xx_pwm_calc_observation( device_t *device, int ch)
{
s3c24xx_t *s3c24xx = get_token( device);
double timeleft, x1, x2;
UINT32 cnto;
timeleft = s3c24xx->pwm.timer[ch]->remaining( ).as_double();
// printf( "timeleft %f freq %d cntb %d cmpb %d\n", timeleft, s3c24xx->pwm.freq[ch], s3c24xx->pwm.cnt[ch], s3c24xx->pwm.cmp[ch]);
x1 = 1 / ((double)s3c24xx->pwm.freq[ch] / (s3c24xx->pwm.cnt[ch]- s3c24xx->pwm.cmp[ch] + 1));
x2 = x1 / timeleft;
// printf( "x1 %f\n", x1);
cnto = s3c24xx->pwm.cmp[ch] + ((s3c24xx->pwm.cnt[ch]- s3c24xx->pwm.cmp[ch]) / x2);
// printf( "cnto %d\n", cnto);
return cnto;
}
static READ32_DEVICE_HANDLER( s3c24xx_pwm_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->pwm.regs)[offset];
switch (offset)
{
case S3C24XX_TCNTO0 :
{
data = (data & ~0x0000FFFF) | s3c24xx_pwm_calc_observation( device, 0);
}
break;
case S3C24XX_TCNTO1 :
{
data = (data & ~0x0000FFFF) | s3c24xx_pwm_calc_observation( device, 1);
}
break;
case S3C24XX_TCNTO2 :
{
data = (data & ~0x0000FFFF) | s3c24xx_pwm_calc_observation( device, 2);
}
break;
case S3C24XX_TCNTO3 :
{
data = (data & ~0x0000FFFF) | s3c24xx_pwm_calc_observation( device, 3);
}
break;
case S3C24XX_TCNTO4 :
{
data = (data & ~0x0000FFFF) | s3c24xx_pwm_calc_observation( device, 4);
}
break;
}
verboselog( device->machine(), 9, "(PWM) %08X -> %08X\n", S3C24XX_BASE_PWM + (offset << 2), data);
return data;
}
static void s3c24xx_pwm_start( device_t *device, int timer)
{
s3c24xx_t *s3c24xx = get_token( device);
const int mux_table[] = { 2, 4, 8, 16};
const int prescaler_shift[] = { 0, 0, 8, 8, 8};
const int mux_shift[] = { 0, 4, 8, 12, 16};
UINT32 pclk, prescaler, mux, cnt, cmp, auto_reload;
double freq, hz;
verboselog( device->machine(), 1, "PWM %d start\n", timer);
pclk = s3c24xx_get_pclk( device);
prescaler = (s3c24xx->pwm.regs.tcfg0 >> prescaler_shift[timer]) & 0xFF;
mux = (s3c24xx->pwm.regs.tcfg1 >> mux_shift[timer]) & 0x0F;
if (mux < 4)
{
freq = (double)pclk / (prescaler + 1) / mux_table[mux];
}
else
{
// todo
freq = (double)pclk / (prescaler + 1) / 1;
}
switch (timer)
{
case 0 :
{
cnt = BITS( s3c24xx->pwm.regs.tcntb0, 15, 0);
cmp = BITS( s3c24xx->pwm.regs.tcmpb0, 15, 0);
auto_reload = BIT( s3c24xx->pwm.regs.tcon, 3);
}
break;
case 1 :
{
cnt = BITS( s3c24xx->pwm.regs.tcntb1, 15, 0);
cmp = BITS( s3c24xx->pwm.regs.tcmpb1, 15, 0);
auto_reload = BIT( s3c24xx->pwm.regs.tcon, 11);
}
break;
case 2 :
{
cnt = BITS( s3c24xx->pwm.regs.tcntb2, 15, 0);
cmp = BITS( s3c24xx->pwm.regs.tcmpb2, 15, 0);
auto_reload = BIT( s3c24xx->pwm.regs.tcon, 15);
}
break;
case 3 :
{
cnt = BITS( s3c24xx->pwm.regs.tcntb3, 15, 0);
cmp = BITS( s3c24xx->pwm.regs.tcmpb3, 15, 0);
auto_reload = BIT( s3c24xx->pwm.regs.tcon, 19);
}
break;
case 4 :
{
cnt = BITS( s3c24xx->pwm.regs.tcntb4, 15, 0);
cmp = 0;
auto_reload = BIT( s3c24xx->pwm.regs.tcon, 22);
}
break;
default :
{
cnt = cmp = auto_reload = 0;
}
break;
}
// hz = freq / (cnt - cmp + 1);
if (cnt < 2)
{
hz = freq;
}
else
{
hz = freq / cnt;
}
verboselog( device->machine(), 5, "PWM %d - pclk=%d prescaler=%d div=%d freq=%f cnt=%d cmp=%d auto_reload=%d hz=%f\n", timer, pclk, prescaler, mux_table[mux], freq, cnt, cmp, auto_reload, hz);
s3c24xx->pwm.cnt[timer] = cnt;
s3c24xx->pwm.cmp[timer] = cmp;
s3c24xx->pwm.freq[timer] = freq;
if (auto_reload)
{
s3c24xx->pwm.timer[timer]->adjust( attotime::from_hz( hz), timer, attotime::from_hz( hz));
}
else
{
s3c24xx->pwm.timer[timer]->adjust( attotime::from_hz( hz), timer);
}
}
static void s3c24xx_pwm_stop( device_t *device, int timer)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 1, "PWM %d stop\n", timer);
s3c24xx->pwm.timer[timer]->adjust( attotime::never);
}
static void s3c24xx_pwm_recalc( device_t *device, int timer)
{
s3c24xx_t *s3c24xx = get_token( device);
const int tcon_shift[] = { 0, 8, 12, 16, 20};
if (s3c24xx->pwm.regs.tcon & (1 << tcon_shift[timer]))
{
s3c24xx_pwm_start( device, timer);
}
else
{
s3c24xx_pwm_stop( device, timer);
}
}
static WRITE32_DEVICE_HANDLER( s3c24xx_pwm_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->pwm.regs)[offset];
verboselog( device->machine(), 9, "(PWM) %08X <- %08X\n", S3C24XX_BASE_PWM + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->pwm.regs)[offset]);
switch (offset)
{
case S3C24XX_TCON :
{
if ((data & (1 << 0)) != (old_value & (1 << 0)))
{
s3c24xx_pwm_recalc( device, 0);
}
if ((data & (1 << 8)) != (old_value & (1 << 8)))
{
s3c24xx_pwm_recalc( device, 1);
}
if ((data & (1 << 12)) != (old_value & (1 << 12)))
{
s3c24xx_pwm_recalc( device, 2);
}
if ((data & (1 << 16)) != (old_value & (1 << 16)))
{
s3c24xx_pwm_recalc( device, 3);
}
if ((data & (1 << 20)) != (old_value & (1 << 20)))
{
s3c24xx_pwm_recalc( device, 4);
}
}
break;
}
}
static TIMER_CALLBACK( s3c24xx_pwm_timer_exp )
{
device_t *device = (device_t *)ptr;
s3c24xx_t *s3c24xx = get_token( device);
int ch = param;
const int ch_int[] = { S3C24XX_INT_TIMER0, S3C24XX_INT_TIMER1, S3C24XX_INT_TIMER2, S3C24XX_INT_TIMER3, S3C24XX_INT_TIMER4 };
verboselog( machine, 2, "PWM %d timer callback\n", ch);
if (BITS( s3c24xx->pwm.regs.tcfg1, 23, 20) == (ch + 1))
{
s3c24xx_dma_request_pwm( device);
}
else
{
s3c24xx_request_irq( device, ch_int[ch]);
}
}
/* DMA */
static void s3c24xx_dma_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
for (int i = 0; i < S3C24XX_DMA_COUNT; i++)
{
s3c24xx_dma_t *dma = &s3c24xx->dma[i];
memset( &dma->regs, 0, sizeof( dma->regs));
dma->timer->adjust( attotime::never);
}
}
static void s3c24xx_dma_reload( device_t *device, int ch)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_dma_regs_t *regs = &s3c24xx->dma[ch].regs;
regs->dstat = S3C24XX_DSTAT_SET_CURR_TC( regs->dstat, S3C24XX_DCON_GET_TC( regs->dcon));
regs->dcsrc = S3C24XX_DCSRC_SET_CURR_SRC( regs->dcsrc, S3C24XX_DISRC_GET_SADDR( regs->disrc));
regs->dcdst = S3C24XX_DCDST_SET_CURR_DST( regs->dcdst, S3C24XX_DIDST_GET_DADDR( regs->didst));
}
static void s3c24xx_dma_trigger( device_t *device, int ch)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_dma_regs_t *regs = &s3c24xx->dma[ch].regs;
UINT32 curr_tc, curr_src, curr_dst;
address_space &space = s3c24xx->m_cpu->memory().space( AS_PROGRAM);
int dsz, inc_src, inc_dst, servmode, tsz;
const UINT32 ch_int[] = { S3C24XX_INT_DMA0, S3C24XX_INT_DMA1, S3C24XX_INT_DMA2, S3C24XX_INT_DMA3};
verboselog( device->machine(), 5, "DMA %d trigger\n", ch);
curr_tc = S3C24XX_DSTAT_GET_CURR_TC( regs->dstat);
dsz = S3C24XX_DCON_GET_DSZ( regs->dcon);
curr_src = S3C24XX_DCSRC_GET_CURR_SRC( regs->dcsrc);
curr_dst = S3C24XX_DCDST_GET_CURR_DST( regs->dcdst);
servmode = S3C24XX_DCON_GET_SERVMODE( regs->dcon);
tsz = S3C24XX_DCON_GET_TSZ( regs->dcon);
#if defined(DEVICE_S3C2400)
inc_src = BIT( regs->disrc, 29);
inc_dst = BIT( regs->didst, 29);
#else
inc_src = BIT( regs->disrcc, 0);
inc_dst = BIT( regs->didstc, 0);
#endif
verboselog( device->machine(), 5, "DMA %d - curr_src %08X curr_dst %08X curr_tc %d dsz %d\n", ch, curr_src, curr_dst, curr_tc, dsz);
while (curr_tc > 0)
{
curr_tc--;
for (int i = 0; i < 1 << (tsz << 1); i++)
{
switch (dsz)
{
case 0 : space.write_byte( curr_dst, space.read_byte( curr_src)); break;
case 1 : space.write_word( curr_dst, space.read_word( curr_src)); break;
case 2 : space.write_dword( curr_dst, space.read_dword( curr_src)); break;
}
if (inc_src == 0) curr_src += (1 << dsz);
if (inc_dst == 0) curr_dst += (1 << dsz);
}
if (servmode == 0) break;
}
regs->dcsrc = S3C24XX_DCSRC_SET_CURR_SRC( regs->dcsrc, curr_src);
regs->dcdst = S3C24XX_DCDST_SET_CURR_DST( regs->dcdst, curr_dst);
regs->dstat = S3C24XX_DSTAT_SET_CURR_TC( regs->dstat, curr_tc);
if (curr_tc == 0)
{
if (S3C24XX_DCON_GET_RELOAD( regs->dcon) == 0)
{
s3c24xx_dma_reload( device, ch);
}
else
{
regs->dmasktrig &= ~(1 << 1); // clear on/off
}
if (S3C24XX_DCON_GET_INT( regs->dcon) != 0)
{
s3c24xx_request_irq( device, ch_int[ch]);
}
}
}
static void s3c24xx_dma_request_iis( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_dma_regs_t *regs = &s3c24xx->dma[2].regs;
verboselog( device->machine(), 5, "s3c24xx_dma_request_iis\n");
if ((S3C24XX_DMASKTRIG_GET_ON_OFF( regs->dmasktrig) != 0) && (S3C24XX_DCON_GET_SWHWSEL( regs->dcon) != 0) && (S3C24XX_DCON_GET_HWSRCSEL( regs->dcon) == 0))
{
s3c24xx_dma_trigger( device, 2);
}
}
static void s3c24xx_dma_request_pwm( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "s3c24xx_dma_request_pwm\n");
for (int i = 0; i < 4; i++)
{
if (i != 1)
{
s3c24xx_dma_regs_t *regs = &s3c24xx->dma[i].regs;
if ((S3C24XX_DMASKTRIG_GET_ON_OFF( regs->dmasktrig) != 0) && (S3C24XX_DCON_GET_SWHWSEL( regs->dcon) != 0) && (S3C24XX_DCON_GET_HWSRCSEL( regs->dcon) == 3))
{
s3c24xx_dma_trigger( device, i);
}
}
}
}
static void s3c24xx_dma_start( device_t *device, int ch)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 addr_src, addr_dst, tc;
s3c24xx_dma_regs_t *regs = &s3c24xx->dma[ch].regs;
UINT32 dsz, tsz, reload;
int inc_src, inc_dst, _int, servmode, swhwsel, hwsrcsel;
verboselog( device->machine(), 1, "DMA %d start\n", ch);
addr_src = S3C24XX_DISRC_GET_SADDR( regs->disrc);
addr_dst = S3C24XX_DIDST_GET_DADDR( regs->didst);
tc = S3C24XX_DCON_GET_TC( regs->dcon);
_int = S3C24XX_DCON_GET_INT( regs->dcon);
servmode = S3C24XX_DCON_GET_SERVMODE( regs->dcon);
hwsrcsel = S3C24XX_DCON_GET_HWSRCSEL( regs->dcon);
swhwsel = S3C24XX_DCON_GET_SWHWSEL( regs->dcon);
reload = S3C24XX_DCON_GET_RELOAD( regs->dcon);
dsz = S3C24XX_DCON_GET_DSZ( regs->dcon);
tsz = S3C24XX_DCON_GET_TSZ( regs->dcon);
#if defined(DEVICE_S3C2400)
inc_src = BIT( regs->disrc, 29);
inc_dst = BIT( regs->didst, 29);
#else
inc_src = BIT( regs->disrcc, 0);
inc_dst = BIT( regs->didstc, 0);
#endif
verboselog( device->machine(), 5, "DMA %d - addr_src %08X inc_src %d addr_dst %08X inc_dst %d int %d tsz %d servmode %d hwsrcsel %d swhwsel %d reload %d dsz %d tc %d\n", ch, addr_src, inc_src, addr_dst, inc_dst, _int, tsz, servmode, hwsrcsel, swhwsel, reload, dsz, tc);
verboselog( device->machine(), 5, "DMA %d - copy %08X bytes from %08X (%s) to %08X (%s)\n", ch, (tc << dsz) << (tsz << 1), addr_src, inc_src ? "fix" : "inc", addr_dst, inc_dst ? "fix" : "inc");
s3c24xx_dma_reload( device, ch);
if (swhwsel == 0)
{
s3c24xx_dma_trigger( device, ch);
}
}
static void s3c24xx_dma_stop( device_t *device, int ch)
{
verboselog( device->machine(), 1, "DMA %d stop\n", ch);
}
static void s3c24xx_dma_recalc( device_t *device, int ch)
{
s3c24xx_t *s3c24xx = get_token( device);
if ((s3c24xx->dma[ch].regs.dmasktrig & (1 << 1)) != 0)
{
s3c24xx_dma_start( device, ch);
}
else
{
s3c24xx_dma_stop( device, ch);
}
}
static UINT32 s3c24xx_dma_r( device_t *device, UINT32 ch, UINT32 offset)
{
s3c24xx_t *s3c24xx = get_token( device);
return ((UINT32*)&s3c24xx->dma[ch].regs)[offset];
}
static void s3c24xx_dma_w( device_t *device, UINT32 ch, UINT32 offset, UINT32 data, UINT32 mem_mask)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->dma[ch].regs)[offset];
COMBINE_DATA(&((UINT32*)&s3c24xx->dma[ch].regs)[offset]);
switch (offset)
{
case S3C24XX_DCON :
{
#if 0 // is this code necessary ???
if ((data & (1 << 22)) != 0) // reload
{
s3c24xx_dma_regs_t *regs = &s3c24xx->dma[ch].regs;
regs->dmasktrig &= ~(1 << 1); // clear on/off
}
#endif
}
break;
case S3C24XX_DMASKTRIG :
{
if ((old_value & (1 << 1)) != (data & (1 << 1)))
{
s3c24xx_dma_recalc( device, ch);
}
}
break;
}
}
static READ32_DEVICE_HANDLER( s3c24xx_dma_0_r )
{
UINT32 data = s3c24xx_dma_r( device, 0, offset);
verboselog( device->machine(), 9, "(DMA 0) %08X -> %08X\n", S3C24XX_BASE_DMA_0 + (offset << 2), data);
return data;
}
static READ32_DEVICE_HANDLER( s3c24xx_dma_1_r )
{
UINT32 data = s3c24xx_dma_r( device, 1, offset);
verboselog( device->machine(), 9, "(DMA 1) %08X -> %08X\n", S3C24XX_BASE_DMA_1 + (offset << 2), data);
return data;
}
static READ32_DEVICE_HANDLER( s3c24xx_dma_2_r )
{
UINT32 data = s3c24xx_dma_r( device, 2, offset);
verboselog( device->machine(), 9, "(DMA 2) %08X -> %08X\n", S3C24XX_BASE_DMA_2 + (offset << 2), data);
return data;
}
static READ32_DEVICE_HANDLER( s3c24xx_dma_3_r )
{
UINT32 data = s3c24xx_dma_r( device, 3, offset);
verboselog( device->machine(), 9, "(DMA 3) %08X -> %08X\n", S3C24XX_BASE_DMA_3 + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_dma_0_w )
{
verboselog( device->machine(), 9, "(DMA 0) %08X <- %08X\n", S3C24XX_BASE_DMA_0 + (offset << 2), data);
s3c24xx_dma_w( device, 0, offset, data, mem_mask);
}
static WRITE32_DEVICE_HANDLER( s3c24xx_dma_1_w )
{
verboselog( device->machine(), 9, "(DMA 1) %08X <- %08X\n", S3C24XX_BASE_DMA_1 + (offset << 2), data);
s3c24xx_dma_w( device, 1, offset, data, mem_mask);
}
static WRITE32_DEVICE_HANDLER( s3c24xx_dma_2_w )
{
verboselog( device->machine(), 9, "(DMA 2) %08X <- %08X\n", S3C24XX_BASE_DMA_2 + (offset << 2), data);
s3c24xx_dma_w( device, 2, offset, data, mem_mask);
}
static WRITE32_DEVICE_HANDLER( s3c24xx_dma_3_w )
{
verboselog( device->machine(), 9, "(DMA 3) %08X <- %08X\n", S3C24XX_BASE_DMA_3 + (offset << 2), data);
s3c24xx_dma_w( device, 3, offset, data, mem_mask);
}
static TIMER_CALLBACK( s3c24xx_dma_timer_exp )
{
int ch = param;
verboselog( machine, 2, "DMA %d timer callback\n", ch);
}
/* I/O Port */
static void s3c24xx_gpio_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_gpio_t *gpio = &s3c24xx->gpio;
memset( &gpio->regs, 0, sizeof( gpio->regs));
#if defined(DEVICE_S3C2400)
gpio->regs.gpacon = 0x0003FFFF;
gpio->regs.gpbcon = 0xAAAAAAAA;
gpio->regs.gpdup = 0x0620;
gpio->regs.gpeup = 0x0003;
#elif defined(DEVICE_S3C2410)
gpio->regs.gpacon = 0x007FFFFF;
gpio->regs.gpgup = 0xF800;
gpio->regs.misccr = 0x00010330;
gpio->regs.eintmask = 0x00FFFFF0;
gpio->regs.gstatus1 = 0x32410002;
#elif defined(DEVICE_S3C2440)
gpio->regs.gpacon = 0x00FFFFFF;
gpio->regs.gpgup = 0xFC00;
gpio->regs.misccr = 0x00010020;
gpio->regs.eintmask = 0x000FFFFF;
gpio->regs.gstatus1 = 0x32440001;
#endif
gpio->regs.gpdup = 0xF000;
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
gpio->regs.gstatus2 = 1 << 0; // Boot is caused by power on reset
#endif
}
INLINE UINT32 iface_gpio_port_r( device_t *device, int port, UINT32 mask)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->gpio.port_r)
{
return (s3c24xx->iface->gpio.port_r)( device, port, mask);
}
else
{
return 0;
}
}
INLINE void iface_gpio_port_w( device_t *device, int port, UINT32 mask, UINT32 data)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->gpio.port_w)
{
(s3c24xx->iface->gpio.port_w)( device, port, mask, data);
}
}
static UINT16 s3c24xx_gpio_get_mask( UINT32 con, int val)
{
UINT16 mask = 0;
for (int i = 0; i < 16; i++)
{
if (((con >> (i << 1)) & 3) == val)
{
mask = mask | (1 << i);
}
}
return mask;
}
static READ32_DEVICE_HANDLER( s3c24xx_gpio_r )
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_gpio_t *gpio = &s3c24xx->gpio;
UINT32 data = ((UINT32*)&s3c24xx->gpio.regs)[offset];
switch (offset)
{
case S3C24XX_GPADAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_A, 0) & S3C24XX_GPADAT_MASK;
}
break;
case S3C24XX_GPBDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_B, s3c24xx_gpio_get_mask( gpio->regs.gpbcon, 0) & S3C24XX_GPBDAT_MASK) & S3C24XX_GPBDAT_MASK;
}
break;
case S3C24XX_GPCDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_C, s3c24xx_gpio_get_mask( gpio->regs.gpccon, 0) & S3C24XX_GPCDAT_MASK) & S3C24XX_GPCDAT_MASK;
}
break;
case S3C24XX_GPDDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_D, s3c24xx_gpio_get_mask( gpio->regs.gpdcon, 0) & S3C24XX_GPDDAT_MASK) & S3C24XX_GPDDAT_MASK;
}
break;
case S3C24XX_GPEDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_E, s3c24xx_gpio_get_mask( gpio->regs.gpecon, 0) & S3C24XX_GPEDAT_MASK) & S3C24XX_GPEDAT_MASK;
}
break;
case S3C24XX_GPFDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_F, s3c24xx_gpio_get_mask( gpio->regs.gpfcon, 0) & S3C24XX_GPFDAT_MASK) & S3C24XX_GPFDAT_MASK;
}
break;
case S3C24XX_GPGDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_G, s3c24xx_gpio_get_mask( gpio->regs.gpgcon, 0) & S3C24XX_GPGDAT_MASK) & S3C24XX_GPGDAT_MASK;
}
break;
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
case S3C24XX_GPHDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_H, s3c24xx_gpio_get_mask( gpio->regs.gphcon, 0) & S3C24XX_GPHDAT_MASK) & S3C24XX_GPHDAT_MASK;
}
break;
#endif
#if defined(DEVICE_S3C2440)
case S3C24XX_GPJDAT :
{
data = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_J, s3c24xx_gpio_get_mask( gpio->regs.gpjcon, 0) & S3C24XX_GPJDAT_MASK) & S3C24XX_GPJDAT_MASK;
}
break;
#endif
}
verboselog( device->machine(), 9, "(GPIO) %08X -> %08X\n", S3C24XX_BASE_GPIO + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_gpio_w )
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_gpio_t *gpio = &s3c24xx->gpio;
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
UINT32 old_value = ((UINT32*)&s3c24xx->gpio.regs)[offset];
#endif
verboselog( device->machine(), 9, "(GPIO) %08X <- %08X\n", S3C24XX_BASE_GPIO + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->gpio.regs)[offset]);
switch (offset)
{
case S3C24XX_GPADAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_A, gpio->regs.gpacon ^ 0xFFFFFFFF, data & S3C24XX_GPADAT_MASK);
}
break;
case S3C24XX_GPBDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_B, s3c24xx_gpio_get_mask( gpio->regs.gpbcon, 1) & S3C24XX_GPBDAT_MASK, data & S3C24XX_GPBDAT_MASK);
}
break;
case S3C24XX_GPCDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_C, s3c24xx_gpio_get_mask( gpio->regs.gpccon, 1) & S3C24XX_GPCDAT_MASK, data & S3C24XX_GPCDAT_MASK);
}
break;
case S3C24XX_GPDDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_D, s3c24xx_gpio_get_mask( gpio->regs.gpdcon, 1) & S3C24XX_GPDDAT_MASK, data & S3C24XX_GPDDAT_MASK);
}
break;
case S3C24XX_GPEDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_E, s3c24xx_gpio_get_mask( gpio->regs.gpecon, 1) & S3C24XX_GPEDAT_MASK, data & S3C24XX_GPEDAT_MASK);
}
break;
case S3C24XX_GPFDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_F, s3c24xx_gpio_get_mask( gpio->regs.gpfcon, 1) & S3C24XX_GPFDAT_MASK, data & S3C24XX_GPFDAT_MASK);
}
break;
case S3C24XX_GPGDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_G, s3c24xx_gpio_get_mask( gpio->regs.gpgcon, 1) & S3C24XX_GPGDAT_MASK, data & S3C24XX_GPGDAT_MASK);
}
break;
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
case S3C24XX_GPHDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_H, s3c24xx_gpio_get_mask( gpio->regs.gphcon, 1) & S3C24XX_GPHDAT_MASK, data & S3C24XX_GPHDAT_MASK);
}
break;
case S3C24XX_EINTPEND :
{
s3c24xx->gpio.regs.eintpend = (old_value & ~data);
s3c24xx_check_pending_eint( device);
}
break;
case S3C24XX_EINTMASK :
{
s3c24xx_check_pending_eint( device);
}
break;
case S3C24XX_GSTATUS2 :
{
s3c24xx->gpio.regs.gstatus2 = (old_value & ~data) & 7; // "The setting is cleared by writing '1' to this bit"
}
break;
#endif
#if defined(DEVICE_S3C2440)
case S3C24XX_GPJDAT :
{
iface_gpio_port_w( device, S3C24XX_GPIO_PORT_J, s3c24xx_gpio_get_mask( gpio->regs.gpjcon, 1) & S3C24XX_GPJDAT_MASK, data & S3C24XX_GPJDAT_MASK);
}
break;
#endif
}
}
/* Memory Controller */
static void s3c24xx_memcon_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_memcon_t *memcon = &s3c24xx->memcon;
memset( &memcon->regs, 0, sizeof( memcon->regs));
memcon->regs.data[0x04/4] = 0x00000700;
memcon->regs.data[0x08/4] = 0x00000700;
memcon->regs.data[0x0C/4] = 0x00000700;
memcon->regs.data[0x10/4] = 0x00000700;
memcon->regs.data[0x14/4] = 0x00000700;
memcon->regs.data[0x18/4] = 0x00000700;
memcon->regs.data[0x1C/4] = 0x00018008;
memcon->regs.data[0x20/4] = 0x00018008;
memcon->regs.data[0x24/4] = 0x00AC0000;
}
static READ32_DEVICE_HANDLER( s3c24xx_memcon_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->memcon.regs.data[offset];
verboselog( device->machine(), 9, "(MEMCON) %08X -> %08X\n", S3C24XX_BASE_MEMCON + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_memcon_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(MEMCON) %08X <- %08X\n", S3C24XX_BASE_MEMCON + (offset << 2), data);
COMBINE_DATA(&s3c24xx->memcon.regs.data[offset]);
}
/* USB Host Controller */
static void s3c24xx_usb_host_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_usbhost_t *usbhost = &s3c24xx->usbhost;
memset( &usbhost->regs, 0, sizeof( usbhost->regs));
}
static READ32_DEVICE_HANDLER( s3c24xx_usb_host_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->usbhost.regs.data[offset];
switch (offset)
{
// HcCommandStatus
case 0x08 / 4 :
{
data = data & ~(1 << 0); // [bit 0] HostControllerReset
}
break;
// HcPeriodStart
case 0x40 / 4:
{
// "After a hardware reset, this field is cleared. This is then set by"
// "HCD during the HC initialization. The value is calculated"
// "roughly as 10% off from HcFmInterval.. A typical value will be 3E67h."
data = (data & ~0x00003FFF) | 0x3E67;
}
break;
// HcRhDescriptorA
case 0x48 / 4:
{
data = (data & ~0xFF) | 2; // number of ports
}
break;
// HcRhStatus
case 0x50 / 4:
{
data = data & ~(1 << 16); // "The Root Hub does not support the local power status feature; thus, this bit is always read as ?0?."
}
break;
}
verboselog( device->machine(), 9, "(USB H) %08X -> %08X\n", S3C24XX_BASE_USBHOST + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_usb_host_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(USB H) %08X <- %08X\n", S3C24XX_BASE_USBHOST + (offset << 2), data);
COMBINE_DATA(&s3c24xx->usbhost.regs.data[offset]);
}
/* UART */
static void s3c24xx_uart_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
for (int i = 0; i < S3C24XX_UART_COUNT; i++)
{
s3c24xx_uart_t *uart = &s3c24xx->uart[i];
memset( &uart->regs, 0, sizeof( uart->regs));
uart->regs.utrstat = 6;
}
}
static UINT32 s3c24xx_uart_r( device_t *device, UINT32 ch, UINT32 offset)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->uart[ch].regs)[offset];
switch (offset)
{
case S3C24XX_UTRSTAT :
{
data = (data & ~0x00000006) | 0x00000004 | 0x00000002; // [bit 2] Transmitter empty / [bit 1] Transmit buffer empty
}
break;
case S3C24XX_URXH :
{
UINT8 rxdata = data & 0xFF;
verboselog( device->machine(), 5, "UART %d read %02X (%c)\n", ch, rxdata, ((rxdata >= 32) && (rxdata < 128)) ? (char)rxdata : '?');
s3c24xx->uart[ch].regs.utrstat &= ~1; // [bit 0] Receive buffer data ready
}
break;
}
return data;
}
static void s3c24xx_uart_w( device_t *device, UINT32 ch, UINT32 offset, UINT32 data, UINT32 mem_mask)
{
s3c24xx_t *s3c24xx = get_token( device);
COMBINE_DATA(&((UINT32*)&s3c24xx->uart[ch].regs)[offset]);
switch (offset)
{
case S3C24XX_UFCON :
{
s3c24xx->uart[ch].regs.ufcon &= ~((1 << 2) | (1 << 1)); // bits 1 and 2 are auto-cleared after resetting FIFO
}
break;
case S3C24XX_UTXH :
{
UINT8 txdata = data & 0xFF;
verboselog( device->machine(), 5, "UART %d write %02X (%c)\n", ch, txdata, ((txdata >= 32) && (txdata < 128)) ? (char)txdata : '?');
#ifdef UART_PRINTF
printf( "%c", ((txdata >= 32) && (txdata < 128)) ? (char)txdata : '?');
#endif
}
break;
}
}
static READ32_DEVICE_HANDLER( s3c24xx_uart_0_r )
{
UINT32 data = s3c24xx_uart_r( device, 0, offset);
// verboselog( device->machine(), 9, "(UART 0) %08X -> %08X\n", S3C24XX_BASE_UART_0 + (offset << 2), data);
return data;
}
static READ32_DEVICE_HANDLER( s3c24xx_uart_1_r )
{
UINT32 data = s3c24xx_uart_r( device, 1, offset);
// verboselog( device->machine(), 9, "(UART 1) %08X -> %08X\n", S3C24XX_BASE_UART_1 + (offset << 2), data);
return data;
}
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static READ32_DEVICE_HANDLER( s3c24xx_uart_2_r )
{
UINT32 data = s3c24xx_uart_r( device, 2, offset);
// verboselog( device->machine(), 9, "(UART 2) %08X -> %08X\n", S3C24XX_BASE_UART_2 + (offset << 2), data);
return data;
}
#endif
static WRITE32_DEVICE_HANDLER( s3c24xx_uart_0_w )
{
// verboselog( device->machine(), 9, "(UART 0) %08X <- %08X\n", S3C24XX_BASE_UART_0 + (offset << 2), data);
s3c24xx_uart_w( device, 0, offset, data, mem_mask);
}
static WRITE32_DEVICE_HANDLER( s3c24xx_uart_1_w )
{
// verboselog( device->machine(), 9, "(UART 1) %08X <- %08X\n", S3C24XX_BASE_UART_1 + (offset << 2), data);
s3c24xx_uart_w( device, 1, offset, data, mem_mask);
}
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static WRITE32_DEVICE_HANDLER( s3c24xx_uart_2_w )
{
// verboselog( device->machine(), 9, "(UART 2) %08X <- %08X\n", S3C24XX_BASE_UART_2 + (offset << 2), data);
s3c24xx_uart_w( device, 2, offset, data, mem_mask);
}
#endif
static void s3c24xx_uart_fifo_w( device_t *device, int uart, UINT8 data)
{
// printf( "s3c24xx_uart_fifo_w (%c)\n", data);
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx->uart[uart].regs.urxh = data;
s3c24xx->uart[uart].regs.utrstat |= 1; // [bit 0] Receive buffer data ready
}
/* USB Device */
static void s3c24xx_usb_device_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_usbdev_t *usbdev = &s3c24xx->usbdev;
memset( &usbdev->regs, 0, sizeof( usbdev->regs));
#if defined(DEVICE_S3C2400)
usbdev->regs.data[0x0C/4] = 0x033F;
usbdev->regs.data[0x14/4] = 0x000A;
usbdev->regs.data[0x24/4] = 0x0001;
usbdev->regs.data[0x44/4] = 0x0001;
usbdev->regs.data[0x54/4] = 0x0001;
usbdev->regs.data[0x64/4] = 0x0001;
usbdev->regs.data[0x74/4] = 0x0001;
usbdev->regs.data[0xB8/4] = 0x00FF;
#elif defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
usbdev->regs.data[0x1C/4] = 0xFF;
usbdev->regs.data[0x2C/4] = 0x04;
usbdev->regs.data[0x40/4] = 0x01;
usbdev->regs.data[0x48/4] = 0x20;
#endif
}
static READ32_DEVICE_HANDLER( s3c24xx_usb_device_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->usbdev.regs.data[offset];
verboselog( device->machine(), 9, "(USB D) %08X -> %08X\n", S3C24XX_BASE_USBDEV + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_usb_device_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(USB D) %08X <- %08X\n", S3C24XX_BASE_USBDEV + (offset << 2), data);
COMBINE_DATA(&s3c24xx->usbdev.regs.data[offset]);
}
/* Watchdog Timer */
static void s3c24xx_wdt_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_wdt_t *wdt = &s3c24xx->wdt;
memset( &wdt->regs, 0, sizeof( wdt->regs));
wdt->regs.wtcon = 0x8021;
wdt->regs.wtdat = 0x8000;
wdt->regs.wtcnt = 0x8000;
wdt->timer->adjust( attotime::never);
}
#if defined(DEVICE_S3C2410)
static UINT16 s3c24xx_wdt_calc_current_count( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
double timeleft, x1, x2;
UINT32 cnt;
timeleft = s3c24xx->wdt.timer->remaining( ).as_double();
// printf( "timeleft %f freq %d cnt %d\n", timeleft, s3c24xx->wdt.freq, s3c24xx->wdt.cnt);
x1 = 1 / ((double)s3c24xx->wdt.freq / s3c24xx->wdt.cnt);
x2 = x1 / timeleft;
// printf( "x1 %f\n", x1);
cnt = s3c24xx->wdt.cnt / x2;
// printf( "cnt %d\n", cnt);
return cnt;
}
#else
static UINT16 s3c24xx_wdt_calc_current_count( device_t *device)
{
return 0;
}
#endif
static READ32_DEVICE_HANDLER( s3c24xx_wdt_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->wdt.regs)[offset];
switch (offset)
{
case S3C24XX_WTCNT :
{
// is wdt active?
if ((s3c24xx->wdt.regs.wtcon & (1 << 5)) != 0)
{
data = s3c24xx_wdt_calc_current_count( device);
}
}
break;
}
verboselog( device->machine(), 9, "(WDT) %08X -> %08X\n", S3C24XX_BASE_WDT + (offset << 2), data);
return data;
}
static void s3c24xx_wdt_start( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 pclk, prescaler, clock;
double freq, hz;
verboselog( device->machine(), 1, "WDT start\n");
pclk = s3c24xx_get_pclk( device);
prescaler = BITS( s3c24xx->wdt.regs.wtcon, 15, 8);
clock = 16 << BITS( s3c24xx->wdt.regs.wtcon, 4, 3);
freq = (double)pclk / (prescaler + 1) / clock;
hz = freq / s3c24xx->wdt.regs.wtcnt;
verboselog( device->machine(), 5, "WDT pclk %d prescaler %d clock %d freq %f hz %f\n", pclk, prescaler, clock, freq, hz);
s3c24xx->wdt.timer->adjust( attotime::from_hz( hz), 0, attotime::from_hz( hz));
#if defined(DEVICE_S3C2410)
s3c24xx->wdt.freq = freq;
s3c24xx->wdt.cnt = s3c24xx->wdt.regs.wtcnt;
#endif
}
static void s3c24xx_wdt_stop( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 1, "WDT stop\n");
s3c24xx->wdt.regs.wtcnt = s3c24xx_wdt_calc_current_count( device);
s3c24xx->wdt.timer->adjust( attotime::never);
}
static void s3c24xx_wdt_recalc( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
if ((s3c24xx->wdt.regs.wtcon & (1 << 5)) != 0)
{
s3c24xx_wdt_start( device);
}
else
{
s3c24xx_wdt_stop( device);
}
}
static WRITE32_DEVICE_HANDLER( s3c24xx_wdt_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->wdt.regs)[offset];
verboselog( device->machine(), 9, "(WDT) %08X <- %08X\n", S3C24XX_BASE_WDT + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->wdt.regs)[offset]);
switch (offset)
{
case S3C24XX_WTCON :
{
if ((data & (1 << 5)) != (old_value & (1 << 5)))
{
s3c24xx_wdt_recalc( device);
}
}
break;
}
}
static TIMER_CALLBACK( s3c24xx_wdt_timer_exp )
{
device_t *device = (device_t *)ptr;
s3c24xx_t *s3c24xx = get_token( device);
verboselog( machine, 2, "WDT timer callback\n");
if ((s3c24xx->wdt.regs.wtcon & (1 << 2)) != 0)
{
#if defined(DEVICE_S3C2400) || defined(DEVICE_S3C2410)
s3c24xx_request_irq( device, S3C24XX_INT_WDT);
#else
s3c24xx_request_subirq( device, S3C24XX_SUBINT_WDT);
#endif
}
if ((s3c24xx->wdt.regs.wtcon & (1 << 0)) != 0)
{
s3c24xx_reset( device);
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
s3c24xx->gpio.regs.gstatus2 = 1 << 2; // Watchdog reset
#endif
}
}
/* IIC */
static void s3c24xx_iic_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_iic_t *iic = &s3c24xx->iic;
memset( &iic->regs, 0, sizeof( iic->regs));
iic->count = 0;
iic->timer->adjust( attotime::never);
}
INLINE void iface_i2c_scl_w( device_t *device, int state)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->i2c.scl_w)
{
(s3c24xx->iface->i2c.scl_w)( device, state);
}
}
INLINE void iface_i2c_sda_w( device_t *device, int state)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->i2c.sda_w)
{
(s3c24xx->iface->i2c.sda_w)( device, state);
}
}
INLINE int iface_i2c_sda_r( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->i2c.sda_r)
{
return (s3c24xx->iface->i2c.sda_r)( device);
}
else
{
return 0;
}
}
static void i2c_send_start( device_t *device)
{
verboselog( device->machine(), 5, "i2c_send_start\n");
iface_i2c_sda_w( device, 1);
iface_i2c_scl_w( device, 1);
iface_i2c_sda_w( device, 0);
iface_i2c_scl_w( device, 0);
}
static void i2c_send_stop( device_t *device)
{
verboselog( device->machine(), 5, "i2c_send_stop\n");
iface_i2c_sda_w( device, 0);
iface_i2c_scl_w( device, 1);
iface_i2c_sda_w( device, 1);
iface_i2c_scl_w( device, 0);
}
static UINT8 i2c_receive_byte( device_t *device, int ack)
{
UINT8 data = 0;
verboselog( device->machine(), 5, "i2c_receive_byte ...\n");
iface_i2c_sda_w( device, 1);
for (int i = 0; i < 8; i++)
{
iface_i2c_scl_w( device, 1);
data = (data << 1) + (iface_i2c_sda_r( device) ? 1 : 0);
iface_i2c_scl_w( device, 0);
}
verboselog( device->machine(), 5, "recv data %02X\n", data);
verboselog( device->machine(), 5, "send ack %d\n", ack);
iface_i2c_sda_w( device, ack ? 0 : 1);
iface_i2c_scl_w( device, 1);
iface_i2c_scl_w( device, 0);
return data;
}
static int i2c_send_byte( device_t *device, UINT8 data)
{
int ack;
verboselog( device->machine(), 5, "i2c_send_byte ...\n");
verboselog( device->machine(), 5, "send data %02X\n", data);
for (int i = 0; i < 8; i++)
{
iface_i2c_sda_w( device, (data & 0x80) ? 1 : 0);
data = data << 1;
iface_i2c_scl_w( device, 1);
iface_i2c_scl_w( device, 0);
}
iface_i2c_sda_w( device, 1); // ack bit
iface_i2c_scl_w( device, 1);
ack = iface_i2c_sda_r( device);
verboselog( device->machine(), 5, "recv ack %d\n", ack);
iface_i2c_scl_w( device, 0);
return ack;
}
static void iic_start( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
int mode_selection;
verboselog( device->machine(), 1, "IIC start\n");
i2c_send_start( device);
mode_selection = BITS( s3c24xx->iic.regs.iicstat, 7, 6);
switch (mode_selection)
{
case 2 : i2c_send_byte( device, s3c24xx->iic.regs.iicds | 0x01); break;
case 3 : i2c_send_byte( device, s3c24xx->iic.regs.iicds & 0xFE); break;
}
s3c24xx->iic.timer->adjust( attotime::from_usec( 1));
}
static void iic_stop( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 1, "IIC stop\n");
i2c_send_stop( device);
s3c24xx->iic.timer->adjust( attotime::never);
}
static void iic_resume( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
int mode_selection;
verboselog( device->machine(), 1, "IIC resume\n");
mode_selection = BITS( s3c24xx->iic.regs.iicstat, 7, 6);
switch (mode_selection)
{
case 2 : s3c24xx->iic.regs.iicds = i2c_receive_byte( device, BIT( s3c24xx->iic.regs.iiccon, 7)); break;
case 3 : i2c_send_byte( device, s3c24xx->iic.regs.iicds & 0xFF); break;
}
s3c24xx->iic.timer->adjust( attotime::from_usec( 1));
}
static READ32_DEVICE_HANDLER( s3c24xx_iic_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->iic.regs)[offset];
switch (offset)
{
case S3C24XX_IICSTAT :
{
data = data & ~0x0000000F;
}
break;
}
verboselog( device->machine(), 9, "(IIC) %08X -> %08X\n", S3C24XX_BASE_IIC + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_iic_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->iic.regs)[offset];
verboselog( device->machine(), 9, "(IIC) %08X <- %08X\n", S3C24XX_BASE_IIC + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->iic.regs)[offset]);
switch (offset)
{
case S3C24XX_IICCON :
{
int interrupt_pending_flag;
#if 0
const int div_table[] = { 16, 512};
int enable_interrupt, transmit_clock_value, tx_clock_source_selection
double clock;
transmit_clock_value = (data >> 0) & 0xF;
tx_clock_source_selection = (data >> 6) & 1;
enable_interrupt = (data >> 5) & 1;
clock = (double)s3c24xx_get_pclk( device) / div_table[tx_clock_source_selection] / (transmit_clock_value + 1);
#endif
interrupt_pending_flag = BIT( old_value, 4);
if (interrupt_pending_flag != 0)
{
interrupt_pending_flag = BIT( data, 4);
if (interrupt_pending_flag == 0)
{
int start_stop_condition;
start_stop_condition = BIT( s3c24xx->iic.regs.iicstat, 5);
if (start_stop_condition != 0)
{
if (s3c24xx->iic.count == 0)
{
iic_start( device);
}
else
{
iic_resume( device);
}
}
else
{
iic_stop( device);
}
}
}
}
break;
case S3C24XX_IICSTAT :
{
int interrupt_pending_flag;
s3c24xx->iic.count = 0;
interrupt_pending_flag = BIT( s3c24xx->iic.regs.iiccon, 4);
if (interrupt_pending_flag == 0)
{
int start_stop_condition;
start_stop_condition = BIT( data, 5);
if (start_stop_condition != 0)
{
if (s3c24xx->iic.count == 0)
{
iic_start( device);
}
else
{
iic_resume( device);
}
}
else
{
iic_stop( device);
}
}
}
break;
}
}
static TIMER_CALLBACK( s3c24xx_iic_timer_exp )
{
device_t *device = (device_t *)ptr;
s3c24xx_t *s3c24xx = get_token( device);
int enable_interrupt;
verboselog( machine, 2, "IIC timer callback\n");
s3c24xx->iic.count++;
enable_interrupt = BIT( s3c24xx->iic.regs.iiccon, 5);
if (enable_interrupt)
{
s3c24xx->iic.regs.iiccon |= (1 << 4); // [bit 4] interrupt is pending
s3c24xx_request_irq( device, S3C24XX_INT_IIC);
}
}
/* IIS */
static void s3c24xx_iis_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_iis_t *iis = &s3c24xx->iis;
memset( &iis->regs, 0, sizeof( iis->regs));
iis->fifo_index = 0;
iis->regs.iiscon = 0x0100;
iis->timer->adjust( attotime::never);
}
INLINE void iface_i2s_data_w( device_t *device, int ch, UINT16 data)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->i2s.data_w)
{
(s3c24xx->iface->i2s.data_w)( device, device->machine().driver_data()->generic_space(), ch, data, 0);
}
}
static void s3c24xx_iis_start( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
const UINT32 codeclk_table[] = { 256, 384};
double freq;
int pclk, prescaler_enable, prescaler_control_a, prescaler_control_b, codeclk;
verboselog( device->machine(), 1, "IIS start\n");
prescaler_enable = BIT( s3c24xx->iis.regs.iiscon, 1);
prescaler_control_a = BITS( s3c24xx->iis.regs.iispsr, 9, 5);
prescaler_control_b = BITS( s3c24xx->iis.regs.iispsr, 4, 0);
codeclk = BIT( s3c24xx->iis.regs.iismod, 2);
pclk = s3c24xx_get_pclk( device);
freq = ((double)pclk / (prescaler_control_a + 1) / codeclk_table[codeclk]) * 2; // why do I have to multiply by two?
verboselog( device->machine(), 5, "IIS - pclk %d psc_enable %d psc_a %d psc_b %d codeclk %d freq %f\n", pclk, prescaler_enable, prescaler_control_a, prescaler_control_b, codeclk_table[codeclk], freq);
s3c24xx->iis.timer->adjust( attotime::from_hz( freq), 0, attotime::from_hz( freq));
}
static void s3c24xx_iis_stop( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 1, "IIS stop\n");
s3c24xx->iis.timer->adjust( attotime::never);
}
static void s3c24xx_iis_recalc( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
if ((s3c24xx->iis.regs.iiscon & (1 << 0)) != 0)
{
s3c24xx_iis_start( device);
}
else
{
s3c24xx_iis_stop( device);
}
}
static READ32_DEVICE_HANDLER( s3c24xx_iis_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->iis.regs)[offset];
#if 0
switch (offset)
{
case S3C24XX_IISCON :
{
data = data & ~1; // hack for mp3 player
}
break;
}
#endif
verboselog( device->machine(), 9, "(IIS) %08X -> %08X\n", S3C24XX_BASE_IIS + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_iis_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->iis.regs)[offset];
verboselog( device->machine(), 9, "(IIS) %08X <- %08X\n", S3C24XX_BASE_IIS + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->iis.regs)[offset]);
switch (offset)
{
case S3C24XX_IISCON :
{
if ((old_value & (1 << 0)) != (data & (1 << 0)))
{
s3c24xx_iis_recalc( device);
}
}
break;
case S3C24XX_IISFIFO :
{
if (ACCESSING_BITS_16_31)
{
s3c24xx->iis.fifo[s3c24xx->iis.fifo_index++] = BITS( data, 31, 16);
}
if (ACCESSING_BITS_0_15)
{
s3c24xx->iis.fifo[s3c24xx->iis.fifo_index++] = BITS( data, 15, 0);
}
if (s3c24xx->iis.fifo_index == 2)
{
s3c24xx->iis.fifo_index = 0;
iface_i2s_data_w( device, 0, s3c24xx->iis.fifo[0]);
iface_i2s_data_w( device, 1, s3c24xx->iis.fifo[1]);
}
}
break;
}
}
static TIMER_CALLBACK( s3c24xx_iis_timer_exp )
{
device_t *device = (device_t *)ptr;
verboselog( machine, 2, "IIS timer callback\n");
s3c24xx_dma_request_iis( device);
}
/* RTC */
static void s3c24xx_rtc_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_rtc_t *rtc = &s3c24xx->rtc;
memset( &rtc->regs, 0, sizeof( rtc->regs));
rtc->regs.almday = 1;
rtc->regs.almmon = 1;
rtc->timer_update->adjust( attotime::never);
rtc->timer_update->adjust( attotime::from_msec( 1000), 0, attotime::from_msec( 1000));
}
static READ32_DEVICE_HANDLER( s3c24xx_rtc_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->rtc.regs)[offset];
verboselog( device->machine(), 9, "(RTC) %08X -> %08X\n", S3C24XX_BASE_RTC + (offset << 2), data);
return data;
}
static void s3c24xx_rtc_recalc( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->rtc.regs.ticnt & (1 << 7))
{
UINT32 ttc;
double freq;
ttc = BITS( s3c24xx->rtc.regs.ticnt, 6, 0);
freq = 128 / (ttc + 1);
// printf( "ttc %d freq %f\n", ttc, freq);
s3c24xx->rtc.timer_tick_count->adjust( attotime::from_hz( freq), 0, attotime::from_hz( freq));
}
else
{
s3c24xx->rtc.timer_tick_count->adjust( attotime::never);
}
}
static WRITE32_DEVICE_HANDLER( s3c24xx_rtc_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(RTC) %08X <- %08X\n", S3C24XX_BASE_RTC + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->rtc.regs)[offset]);
switch (offset)
{
case S3C24XX_TICNT :
{
s3c24xx_rtc_recalc( device);
}
break;
}
}
static TIMER_CALLBACK( s3c24xx_rtc_timer_tick_count_exp )
{
device_t *device = (device_t *)ptr;
verboselog( machine, 2, "RTC timer callback (tick count)\n");
s3c24xx_request_irq( device, S3C24XX_INT_TICK);
}
static void s3c24xx_rtc_update( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 bcdday_max;
// increase second
s3c24xx->rtc.regs.bcdsec = bcd_adjust( s3c24xx->rtc.regs.bcdsec + 1);
if (s3c24xx->rtc.regs.bcdsec >= 0x60)
{
s3c24xx->rtc.regs.bcdsec = 0;
// increase minute
s3c24xx->rtc.regs.bcdmin = bcd_adjust( s3c24xx->rtc.regs.bcdmin + 1);
if (s3c24xx->rtc.regs.bcdmin >= 0x60)
{
s3c24xx->rtc.regs.bcdmin = 0;
// increase hour
s3c24xx->rtc.regs.bcdhour = bcd_adjust( s3c24xx->rtc.regs.bcdhour + 1);
if (s3c24xx->rtc.regs.bcdhour >= 0x24)
{
s3c24xx->rtc.regs.bcdhour = 0;
// increase day-of-week
s3c24xx->rtc.regs.bcddow = (s3c24xx->rtc.regs.bcddow % 7) + 1;
// increase day
s3c24xx->rtc.regs.bcdday = bcd_adjust( s3c24xx->rtc.regs.bcdday + 1);
bcdday_max = dec_2_bcd( gregorian_days_in_month( bcd_2_dec( s3c24xx->rtc.regs.bcdmon), bcd_2_dec( s3c24xx->rtc.regs.bcdyear) + 2000));
if (s3c24xx->rtc.regs.bcdday > bcdday_max)
{
s3c24xx->rtc.regs.bcdday = 1;
// increase month
s3c24xx->rtc.regs.bcdmon = bcd_adjust( s3c24xx->rtc.regs.bcdmon + 1);
if (s3c24xx->rtc.regs.bcdmon >= 0x12)
{
s3c24xx->rtc.regs.bcdmon = 1;
// increase year
s3c24xx->rtc.regs.bcdyear = bcd_adjust( s3c24xx->rtc.regs.bcdyear + 1);
if (s3c24xx->rtc.regs.bcdyear >= 0x100)
{
s3c24xx->rtc.regs.bcdyear = 0;
}
}
}
}
}
}
verboselog( device->machine(), 5, "RTC - %04d/%02d/%02d %02d:%02d:%02d\n", bcd_2_dec( s3c24xx->rtc.regs.bcdyear) + 2000, bcd_2_dec( s3c24xx->rtc.regs.bcdmon), bcd_2_dec( s3c24xx->rtc.regs.bcdday), bcd_2_dec( s3c24xx->rtc.regs.bcdhour), bcd_2_dec( s3c24xx->rtc.regs.bcdmin), bcd_2_dec( s3c24xx->rtc.regs.bcdsec));
}
static void s3c24xx_rtc_check_alarm( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->rtc.regs.rtcalm & 0x40)
{
int isalarm = 1;
isalarm = isalarm && (((s3c24xx->rtc.regs.rtcalm & 0x20) == 0) || (s3c24xx->rtc.regs.almyear == s3c24xx->rtc.regs.bcdyear));
isalarm = isalarm && (((s3c24xx->rtc.regs.rtcalm & 0x10) == 0) || (s3c24xx->rtc.regs.almmon == s3c24xx->rtc.regs.bcdmon));
isalarm = isalarm && (((s3c24xx->rtc.regs.rtcalm & 0x08) == 0) || (s3c24xx->rtc.regs.almday == s3c24xx->rtc.regs.bcdday));
isalarm = isalarm && (((s3c24xx->rtc.regs.rtcalm & 0x04) == 0) || (s3c24xx->rtc.regs.almhour == s3c24xx->rtc.regs.bcdhour));
isalarm = isalarm && (((s3c24xx->rtc.regs.rtcalm & 0x02) == 0) || (s3c24xx->rtc.regs.almmin == s3c24xx->rtc.regs.bcdmin));
isalarm = isalarm && (((s3c24xx->rtc.regs.rtcalm & 0x01) == 0) || (s3c24xx->rtc.regs.almsec == s3c24xx->rtc.regs.bcdsec));
if (isalarm != 0)
{
s3c24xx_request_irq( device, S3C24XX_INT_RTC);
}
}
}
static TIMER_CALLBACK( s3c24xx_rtc_timer_update_exp )
{
device_t *device = (device_t *)ptr;
verboselog( machine, 2, "RTC timer callback (update)\n");
s3c24xx_rtc_update( device);
s3c24xx_rtc_check_alarm( device);
}
/* A/D Converter */
static void s3c24xx_adc_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_adc_t *adc = &s3c24xx->adc;
memset( &adc->regs, 0, sizeof( adc->regs));
adc->regs.adccon = 0x3FC4;
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
adc->regs.adctsc = 0x58;
adc->regs.adcdly = 0xFF;
#endif
}
static UINT32 iface_adc_data_r( device_t *device, int ch)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->adc.data_r)
{
int offs = ch;
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
if (BIT( s3c24xx->adc.regs.adctsc, 2) != 0)
{
offs += 2;
}
#endif
return (s3c24xx->iface->adc.data_r)( device, device->machine().driver_data()->generic_space(), offs, 0);
}
else
{
return 0;
}
}
static READ32_DEVICE_HANDLER( s3c24xx_adc_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->adc.regs)[offset];
switch (offset)
{
#if defined(DEVICE_S3C2400)
case S3C24XX_ADCDAT :
{
data = (data & ~0x3FF) | (iface_adc_data_r( device, 0) & 0x3FF);
}
break;
#else
case S3C24XX_ADCDAT0 :
{
data = (data & ~0x3FF) | (iface_adc_data_r( device, 0) & 0x3FF);
}
break;
case S3C24XX_ADCDAT1 :
{
data = (data & ~0x3FF) | (iface_adc_data_r( device, 1) & 0x3FF);
}
break;
#endif
}
verboselog( device->machine(), 9, "(ADC) %08X -> %08X\n", S3C24XX_BASE_ADC + (offset << 2), data);
return data;
}
static void s3c24xx_adc_start( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 1, "ADC start\n");
s3c24xx->adc.regs.adccon &= ~(1 << 0); // A/D conversion is completed
s3c24xx->adc.regs.adccon |= (1 << 15); // End of A/D conversion
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
s3c24xx_request_subirq( device, S3C24XX_SUBINT_ADC);
#endif
}
static WRITE32_DEVICE_HANDLER( s3c24xx_adc_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->adc.regs)[offset];
verboselog( device->machine(), 9, "(ADC) %08X <- %08X\n", S3C24XX_BASE_ADC + (offset << 2), data);
COMBINE_DATA(&((UINT32*)&s3c24xx->adc.regs)[offset]);
switch (offset)
{
case S3C24XX_ADCCON :
{
if (((old_value & (1 << 0)) == 0) && ((data & (1 << 0)) != 0))
{
s3c24xx_adc_start( device);
}
}
break;
}
}
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static void s3c24xx_touch_screen( device_t *device, int state)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx->adc.regs.adcdat0 = ((state ? 0 : 1) << 15);
s3c24xx->adc.regs.adcdat1 = ((state ? 0 : 1) << 15);
s3c24xx_request_subirq( device, S3C24XX_SUBINT_TC);
}
#endif
/* SPI */
static void s3c24xx_spi_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
for (int i = 0; i < S3C24XX_SPI_COUNT; i++)
{
s3c24xx_spi_t *spi = &s3c24xx->spi[i];
memset( &spi->regs, 0, sizeof( spi->regs));
spi->regs.spsta = 1;
#if defined(DEVICE_S3C2400) || defined(DEVICE_S3C2410)
spi->regs.sppin = 2;
#endif
}
}
static UINT32 s3c24xx_spi_r( device_t *device, UINT32 ch, UINT32 offset)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->spi[ch].regs)[offset];
switch (offset)
{
case S3C24XX_SPSTA :
{
data = data | (1 << 0); // [bit 0] Transfer Ready Flag
}
break;
}
return data;
}
static void s3c24xx_spi_w( device_t *device, UINT32 ch, UINT32 offset, UINT32 data, UINT32 mem_mask)
{
s3c24xx_t *s3c24xx = get_token( device);
COMBINE_DATA(&((UINT32*)&s3c24xx->spi[ch].regs)[offset]);
}
static READ32_DEVICE_HANDLER( s3c24xx_spi_0_r )
{
UINT32 data = s3c24xx_spi_r( device, 0, offset);
verboselog( device->machine(), 9, "(SPI 0) %08X -> %08X\n", S3C24XX_BASE_SPI_0 + (offset << 2), data);
return data;
}
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static READ32_DEVICE_HANDLER( s3c24xx_spi_1_r )
{
UINT32 data = s3c24xx_spi_r( device, 1, offset);
verboselog( device->machine(), 9, "(SPI 1) %08X -> %08X\n", S3C24XX_BASE_SPI_1 + (offset << 2), data);
return data;
}
#endif
static WRITE32_DEVICE_HANDLER( s3c24xx_spi_0_w )
{
verboselog( device->machine(), 9, "(SPI 0) %08X <- %08X\n", S3C24XX_BASE_SPI_0 + (offset << 2), data);
s3c24xx_spi_w( device, 0, offset, data, mem_mask);
}
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static WRITE32_DEVICE_HANDLER( s3c24xx_spi_1_w )
{
verboselog( device->machine(), 9, "(SPI 1) %08X <- %08X\n", S3C24XX_BASE_SPI_1 + (offset << 2), data);
s3c24xx_spi_w( device, 1, offset, data, mem_mask);
}
#endif
/* MMC Interface */
#if defined(DEVICE_S3C2400)
static void s3c24xx_mmc_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_mmc_t *mmc = &s3c24xx->mmc;
memset( &mmc->regs, 0, sizeof( mmc->regs));
}
static READ32_DEVICE_HANDLER( s3c24xx_mmc_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->mmc.regs.data[offset];
verboselog( device->machine(), 9, "(MMC) %08X -> %08X\n", S3C24XX_BASE_MMC + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_mmc_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(MMC) %08X <- %08X\n", S3C24XX_BASE_MMC + (offset << 2), data);
COMBINE_DATA(&s3c24xx->mmc.regs.data[offset]);
}
#endif
/* SD Interface */
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static void s3c24xx_sdi_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_sdi_t *sdi = &s3c24xx->sdi;
memset( &sdi->regs, 0, sizeof( sdi->regs));
#if defined(DEVICE_S3C2410)
sdi->regs.data[0x24/4] = 0x2000;
#elif defined(DEVICE_S3C2440)
sdi->regs.data[0x04/4] = 1;
sdi->regs.data[0x24/4] = 0x10000;
#endif
}
static READ32_DEVICE_HANDLER( s3c24xx_sdi_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->sdi.regs.data[offset];
verboselog( device->machine(), 9, "(SDI) %08X -> %08X\n", S3C24XX_BASE_SDI + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_sdi_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(SDI) %08X <- %08X\n", S3C24XX_BASE_SDI + (offset << 2), data);
COMBINE_DATA(&s3c24xx->sdi.regs.data[offset]);
}
#endif
/* NAND Flash */
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static void s3c24xx_nand_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_nand_t *nand = &s3c24xx->nand;
memset( &nand->regs, 0, sizeof( nand->regs));
#if defined(DEVICE_S3C2440)
nand->regs.nfconf = 0x1000;
nand->regs.nfcont = 0x0384;
#endif
}
INLINE void iface_nand_command_w( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->nand.command_w)
{
(s3c24xx->iface->nand.command_w)( device, device->machine().driver_data()->generic_space(), 0, data, 0xff);
}
}
INLINE void iface_nand_address_w( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->nand.address_w)
{
(s3c24xx->iface->nand.address_w)( device, device->machine().driver_data()->generic_space(), 0, data, 0xff);
}
}
INLINE UINT8 iface_nand_data_r( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->nand.data_r)
{
return (s3c24xx->iface->nand.data_r)( device, device->machine().driver_data()->generic_space(), 0, 0xff);
}
else
{
return 0;
}
}
INLINE void iface_nand_data_w( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
if (s3c24xx->iface->nand.data_w)
{
(s3c24xx->iface->nand.data_w)( device, device->machine().driver_data()->generic_space(), 0, data, 0xff);
}
}
static void nand_update_mecc( UINT8 *ecc, int pos, UINT8 data)
{
int bit[8];
UINT8 temp;
bit[0] = (data >> 0) & 1;
bit[1] = (data >> 1) & 1;
bit[2] = (data >> 2) & 1;
bit[3] = (data >> 3) & 1;
bit[4] = (data >> 4) & 1;
bit[5] = (data >> 5) & 1;
bit[6] = (data >> 6) & 1;
bit[7] = (data >> 7) & 1;
// column parity
ecc[2] ^= ((bit[6] ^ bit[4] ^ bit[2] ^ bit[0]) << 2);
ecc[2] ^= ((bit[7] ^ bit[5] ^ bit[3] ^ bit[1]) << 3);
ecc[2] ^= ((bit[5] ^ bit[4] ^ bit[1] ^ bit[0]) << 4);
ecc[2] ^= ((bit[7] ^ bit[6] ^ bit[3] ^ bit[2]) << 5);
ecc[2] ^= ((bit[3] ^ bit[2] ^ bit[1] ^ bit[0]) << 6);
ecc[2] ^= ((bit[7] ^ bit[6] ^ bit[5] ^ bit[4]) << 7);
// line parity
temp = bit[7] ^ bit[6] ^ bit[5] ^ bit[4] ^ bit[3] ^ bit[2] ^ bit[1] ^ bit[0];
if (pos & 0x001) ecc[0] ^= (temp << 1); else ecc[0] ^= (temp << 0);
if (pos & 0x002) ecc[0] ^= (temp << 3); else ecc[0] ^= (temp << 2);
if (pos & 0x004) ecc[0] ^= (temp << 5); else ecc[0] ^= (temp << 4);
if (pos & 0x008) ecc[0] ^= (temp << 7); else ecc[0] ^= (temp << 6);
if (pos & 0x010) ecc[1] ^= (temp << 1); else ecc[1] ^= (temp << 0);
if (pos & 0x020) ecc[1] ^= (temp << 3); else ecc[1] ^= (temp << 2);
if (pos & 0x040) ecc[1] ^= (temp << 5); else ecc[1] ^= (temp << 4);
if (pos & 0x080) ecc[1] ^= (temp << 7); else ecc[1] ^= (temp << 6);
if (pos & 0x100) ecc[2] ^= (temp << 1); else ecc[2] ^= (temp << 0);
if (pos & 0x200) ecc[3] ^= (temp << 5); else ecc[3] ^= (temp << 4);
if (pos & 0x400) ecc[3] ^= (temp << 7); else ecc[3] ^= (temp << 6);
}
#if defined(DEVICE_S3C2440)
static void nand_update_secc( UINT8 *ecc, int pos, UINT8 data)
{
int bit[8];
UINT8 temp;
bit[0] = (data >> 0) & 1;
bit[1] = (data >> 1) & 1;
bit[2] = (data >> 2) & 1;
bit[3] = (data >> 3) & 1;
bit[4] = (data >> 4) & 1;
bit[5] = (data >> 5) & 1;
bit[6] = (data >> 6) & 1;
bit[7] = (data >> 7) & 1;
// column parity
ecc[1] ^= ((bit[6] ^ bit[4] ^ bit[2] ^ bit[0]) << 6);
ecc[1] ^= ((bit[7] ^ bit[5] ^ bit[3] ^ bit[1]) << 7);
ecc[0] ^= ((bit[5] ^ bit[4] ^ bit[1] ^ bit[0]) << 0);
ecc[0] ^= ((bit[7] ^ bit[6] ^ bit[3] ^ bit[2]) << 1);
ecc[0] ^= ((bit[3] ^ bit[2] ^ bit[1] ^ bit[0]) << 2);
ecc[0] ^= ((bit[7] ^ bit[6] ^ bit[5] ^ bit[4]) << 3);
// line parity
temp = bit[7] ^ bit[6] ^ bit[5] ^ bit[4] ^ bit[3] ^ bit[2] ^ bit[1] ^ bit[0];
if (pos & 0x001) ecc[0] ^= (temp << 5); else ecc[0] ^= (temp << 4);
if (pos & 0x002) ecc[0] ^= (temp << 7); else ecc[0] ^= (temp << 6);
if (pos & 0x004) ecc[1] ^= (temp << 3); else ecc[1] ^= (temp << 2);
if (pos & 0x008) ecc[1] ^= (temp << 5); else ecc[1] ^= (temp << 4);
}
#endif
static void s3c24xx_nand_update_ecc( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_nand_t *nand = &s3c24xx->nand;
UINT8 temp[4];
#if defined(DEVICE_S3C2410)
temp[0] = nand->mecc[0];
temp[1] = nand->mecc[1];
temp[2] = nand->mecc[2];
nand_update_mecc( nand->mecc, nand->ecc_pos++, data);
verboselog( device->machine(), 5, "NAND - MECC %03X - %02X %02X %02X -> %02X %02X %02X\n", nand->ecc_pos - 1, temp[0], temp[1], temp[2], nand->mecc[0], nand->mecc[1], nand->mecc[2]);
if (nand->ecc_pos == 512) nand->ecc_pos = 0;
#else
if ((nand->regs.nfcont & (1 << 5)) == 0)
{
temp[0] = nand->mecc[0];
temp[1] = nand->mecc[1];
temp[2] = nand->mecc[2];
temp[3] = nand->mecc[3];
nand_update_mecc( nand->mecc, nand->ecc_pos++, data);
verboselog( device->machine(), 5, "NAND - MECC %03X - %02X %02X %02X %02X -> %02X %02X %02X %02X\n", nand->ecc_pos - 1, temp[0], temp[1], temp[2], temp[3], nand->mecc[0], nand->mecc[1], nand->mecc[2], nand->mecc[3]);
if (nand->ecc_pos == 2048) nand->ecc_pos = 0;
}
if ((nand->regs.nfcont & (1 << 6)) == 0)
{
temp[0] = nand->secc[0];
temp[1] = nand->secc[1];
nand_update_secc( nand->secc, nand->ecc_pos++, data);
verboselog( device->machine(), 5, "NAND - SECC %02X - %02X %02X -> %02X %02X\n", nand->ecc_pos - 1, temp[0], temp[1], nand->secc[0], nand->secc[1]);
if (nand->ecc_pos == 16) nand->ecc_pos = 0;
}
#endif
}
static void s3c24xx_nand_command_w( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "NAND write command %02X\n", data);
s3c24xx->nand.data_count = 0;
iface_nand_command_w( device, data);
}
static void s3c24xx_nand_address_w( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "NAND write address %02X\n", data);
s3c24xx->nand.data_count = 0;
iface_nand_address_w( device, data);
}
static UINT8 s3c24xx_nand_data_r( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
UINT8 data = iface_nand_data_r( device);
verboselog( device->machine(), 5, "NAND read data %02X [%04X]\n", data, s3c24xx->nand.data_count++);
s3c24xx_nand_update_ecc( device, data);
return data;
}
static void s3c24xx_nand_data_w( device_t *device, UINT8 data)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "NAND write data %02X [%04X]\n", data, s3c24xx->nand.data_count++);
iface_nand_data_w( device, data);
s3c24xx_nand_update_ecc( device, data);
}
static READ32_DEVICE_HANDLER( s3c24xx_nand_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = ((UINT32*)&s3c24xx->nand.regs)[offset];
switch (offset)
{
case S3C24XX_NFDATA :
{
data = 0;
#if defined(DEVICE_S3C2410)
data = data | s3c24xx_nand_data_r( device);
#elif defined(DEVICE_S3C2440)
if ((mem_mask & 0x000000FF) != 0) data = data | (s3c24xx_nand_data_r( device) << 0);
if ((mem_mask & 0x0000FF00) != 0) data = data | (s3c24xx_nand_data_r( device) << 8);
if ((mem_mask & 0x00FF0000) != 0) data = data | (s3c24xx_nand_data_r( device) << 16);
if ((mem_mask & 0xFF000000) != 0) data = data | (s3c24xx_nand_data_r( device) << 24);
#endif
}
break;
#if defined(DEVICE_S3C2410)
case S3C24XX_NFECC :
{
data = ((s3c24xx->nand.mecc[2] << 16) | (s3c24xx->nand.mecc[1] << 8) | (s3c24xx->nand.mecc[0] << 0));
}
break;
#endif
#if defined(DEVICE_S3C2440)
case S3C24XX_NFMECC0 :
{
data = (s3c24xx->nand.mecc[3] << 24) | (s3c24xx->nand.mecc[2] << 16) | (s3c24xx->nand.mecc[1] << 8) | (s3c24xx->nand.mecc[0] << 0);
}
break;
case S3C24XX_NFSECC :
{
data = (s3c24xx->nand.secc[1] << 8) | (s3c24xx->nand.secc[0] << 0);
}
break;
case S3C24XX_NFESTAT0 :
{
data &= ~0x000000F; // no main/spare ECC errors
}
break;
case S3C24XX_NFESTAT1 :
{
data &= ~0x000000F; // no main/spare ECC errors
}
break;
#endif
}
verboselog( device->machine(), 9, "(NAND) %08X -> %08X (%08X)\n", S3C24XX_BASE_NAND + (offset << 2), data, mem_mask);
return data;
}
static void s3c24xx_nand_init_ecc( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 5, "NAND - init ecc\n");
s3c24xx->nand.mecc[0] = 0xFF;
s3c24xx->nand.mecc[1] = 0xFF;
s3c24xx->nand.mecc[2] = 0xFF;
#if defined(DEVICE_S3C2440)
s3c24xx->nand.mecc[3] = 0xFF;
s3c24xx->nand.secc[0] = 0;
s3c24xx->nand.secc[1] = 0;
#endif
s3c24xx->nand.ecc_pos = 0;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_nand_w )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 old_value = ((UINT32*)&s3c24xx->nand.regs)[offset];
verboselog( device->machine(), 9, "(NAND) %08X <- %08X (%08X)\n", S3C24XX_BASE_NAND + (offset << 2), data, mem_mask);
COMBINE_DATA(&((UINT32*)&s3c24xx->nand.regs)[offset]);
switch (offset)
{
#if defined(DEVICE_S3C2410)
case S3C24XX_NFCONF :
{
if ((data & (1 << 12)) != 0)
{
s3c24xx_nand_init_ecc( device);
}
}
break;
#endif
#if defined(DEVICE_S3C2440)
case S3C24XX_NFCONT :
{
if ((data & (1 << 4)) != 0)
{
s3c24xx_nand_init_ecc( device);
}
}
break;
#endif
case S3C24XX_NFSTAT :
{
s3c24xx->nand.regs.nfstat = (s3c24xx->nand.regs.nfstat & ~0x03) | (old_value & 0x03); // read-only
#if defined(DEVICE_S3C2440)
if ((data & (1 << 2)) != 0)
{
s3c24xx->nand.regs.nfstat &= ~(1 << 2); // "RnB_TransDetect, to clear this value write 1"
}
#endif
}
break;
case S3C24XX_NFCMD :
{
s3c24xx_nand_command_w( device, data);
}
break;
case S3C24XX_NFADDR :
{
s3c24xx_nand_address_w( device, data);
}
break;
case S3C24XX_NFDATA :
{
#if defined(DEVICE_S3C2410)
s3c24xx_nand_data_w( device, data & 0xFF);
#elif defined(DEVICE_S3C2440)
if ((mem_mask & 0x000000FF) != 0) s3c24xx_nand_data_w( device, (data >> 0) & 0xFF);
if ((mem_mask & 0x0000FF00) != 0) s3c24xx_nand_data_w( device, (data >> 8) & 0xFF);
if ((mem_mask & 0x00FF0000) != 0) s3c24xx_nand_data_w( device, (data >> 16) & 0xFF);
if ((mem_mask & 0xFF000000) != 0) s3c24xx_nand_data_w( device, (data >> 24) & 0xFF);
#endif
}
break;
}
}
ATTR_UNUSED static WRITE_LINE_DEVICE_HANDLER( s3c24xx_pin_frnb_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "s3c24xx_pin_frnb_w (%d)\n", state);
#if defined(DEVICE_S3C2440)
if ((BIT( s3c24xx->nand.regs.nfstat, 0) == 0) && (state != 0))
{
s3c24xx->nand.regs.nfstat |= (1 << 2);
if (BIT( s3c24xx->nand.regs.nfcont, 9) != 0)
{
s3c24xx_request_irq( device, S3C24XX_INT_NFCON);
}
}
#endif
if (state == 0)
{
s3c24xx->nand.regs.nfstat &= ~(1 << 0);
}
else
{
s3c24xx->nand.regs.nfstat |= (1 << 0);
}
}
#endif
/* Camera Interface */
#if defined(DEVICE_S3C2440)
static void s3c24xx_cam_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_cam_t *cam = &s3c24xx->cam;
memset( &cam->regs, 0, sizeof( cam->regs));
}
static READ32_DEVICE_HANDLER( s3c24xx_cam_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->cam.regs.data[offset];
verboselog( device->machine(), 9, "(CAM) %08X -> %08X\n", S3C24XX_BASE_CAM + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_cam_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(CAM) %08X <- %08X\n", S3C24XX_BASE_CAM + (offset << 2), data);
COMBINE_DATA(&s3c24xx->cam.regs.data[offset]);
}
#endif
/* AC97 Interface */
#if defined(DEVICE_S3C2440)
static void s3c24xx_ac97_reset( device_t *device)
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx_ac97_t *ac97 = &s3c24xx->ac97;
memset( &ac97->regs, 0, sizeof( ac97->regs));
}
static READ32_DEVICE_HANDLER( s3c24xx_ac97_r )
{
s3c24xx_t *s3c24xx = get_token( device);
UINT32 data = s3c24xx->ac97.regs.data[offset];
verboselog( device->machine(), 9, "(AC97) %08X -> %08X\n", S3C24XX_BASE_AC97 + (offset << 2), data);
return data;
}
static WRITE32_DEVICE_HANDLER( s3c24xx_ac97_w )
{
s3c24xx_t *s3c24xx = get_token( device);
verboselog( device->machine(), 9, "(AC97) %08X <- %08X\n", S3C24XX_BASE_AC97 + (offset << 2), data);
COMBINE_DATA(&s3c24xx->ac97.regs.data[offset]);
}
#endif
// ...
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
static void s3c24xx_nand_auto_boot( device_t *device)
{
int om0 = iface_core_pin_r( device, S3C24XX_CORE_PIN_OM0);
int om1 = iface_core_pin_r( device, S3C24XX_CORE_PIN_OM1);
if ((om0 == 0) && (om1 == 0))
{
s3c24xx_t *s3c24xx = get_token( device);
int ncon = iface_core_pin_r( device, S3C24XX_CORE_PIN_NCON);
UINT8 *ptr = s3c24xx->steppingstone;
int page_size, address_cycle;
#if defined(DEVICE_S3C2410)
page_size = 512;
if (ncon == 0)
{
address_cycle = 3; // byte-page-page
}
else
{
address_cycle = 4; // byte-page-page-page
}
#elif defined(DEVICE_S3C2440)
UINT32 port_g = iface_gpio_port_r( device, S3C24XX_GPIO_PORT_G, 0);
if (ncon == 0)
{
if (BIT( port_g, 13) == 0)
{
page_size = 256;
address_cycle = 3; // byte-page-page
}
else
{
page_size = 512;
address_cycle = 4; // byte-page-page-page
}
}
else
{
if (BIT( port_g, 13) == 0)
{
page_size = 1024;
address_cycle = 4; // byte-byte-page-page or byte-page-page-page ??? assume latter
}
else
{
page_size = 2048;
address_cycle = 5; // byte-byte-page-page-page
}
}
#endif
iface_nand_command_w( device, 0xFF);
for (int page = 0; page < (4 * 1024) / page_size; page++)
{
iface_nand_command_w( device, 0x00);
iface_nand_address_w( device, 0x00);
if (address_cycle > 4)
{
iface_nand_address_w( device, 0x00);
}
iface_nand_address_w( device, (page >> 0) & 0xFF);
iface_nand_address_w( device, (page >> 8) & 0xFF);
if (address_cycle > 3)
{
iface_nand_address_w( device, (page >> 16) & 0xFF);
}
for (int i = 0; i < page_size; i++)
{
*ptr++ = iface_nand_data_r( device);
}
}
iface_nand_command_w( device, 0xFF);
}
}
#endif
static DEVICE_RESET( s3c24xx )
{
verboselog( device->machine(), 1, "s3c24xx device reset\n");
s3c24xx_uart_reset( device);
s3c24xx_pwm_reset( device);
s3c24xx_dma_reset( device);
s3c24xx_iic_reset( device);
s3c24xx_iis_reset( device);
s3c24xx_lcd_reset( device);
s3c24xx_rtc_reset( device);
s3c24xx_wdt_reset( device);
s3c24xx_irq_reset( device);
s3c24xx_gpio_reset( device);
s3c24xx_memcon_reset( device);
s3c24xx_clkpow_reset( device);
s3c24xx_usb_host_reset( device);
s3c24xx_usb_device_reset( device);
s3c24xx_adc_reset( device);
s3c24xx_spi_reset( device);
#if defined(DEVICE_S3C2400)
s3c24xx_mmc_reset( device);
#endif
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
s3c24xx_sdi_reset( device);
s3c24xx_nand_reset( device);
#endif
#if defined(DEVICE_S3C2440)
s3c24xx_cam_reset( device);
s3c24xx_ac97_reset( device);
#endif
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
s3c24xx_nand_auto_boot( device);
#endif
}
static DEVICE_START( s3c24xx )
{
s3c24xx_t *s3c24xx = get_token( device);
s3c24xx->m_cpu = device->machine().device( "maincpu");
verboselog( device->machine(), 1, "s3c24xx device start\n");
s3c24xx->iface = (const s3c24xx_interface *)device->static_config();
for (int i = 0; i < 5; i++)
{
s3c24xx->pwm.timer[i] = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_pwm_timer_exp), (void*)device);
}
for (int i = 0; i < S3C24XX_DMA_COUNT; i++)
{
s3c24xx->dma[i].timer = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_dma_timer_exp), (void*)device);
}
s3c24xx->iic.timer = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_iic_timer_exp), (void*)device);
s3c24xx->iis.timer = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_iis_timer_exp), (void*)device);
s3c24xx->lcd.timer = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_lcd_timer_exp), (void*)device);
s3c24xx->rtc.timer_tick_count = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_rtc_timer_tick_count_exp), (void*)device);
s3c24xx->rtc.timer_update = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_rtc_timer_update_exp), (void*)device);
s3c24xx->wdt.timer = device->machine().scheduler().timer_alloc( FUNC(s3c24xx_wdt_timer_exp), (void*)device);
#if defined(DEVICE_S3C2410) || defined(DEVICE_S3C2440)
int om0 = iface_core_pin_r( device, S3C24XX_CORE_PIN_OM0);
int om1 = iface_core_pin_r( device, S3C24XX_CORE_PIN_OM1);
if ((om0 == 0) && (om1 == 0))
{
address_space &space = s3c24xx->m_cpu->memory().space( AS_PROGRAM);
space.install_ram( 0x00000000, 0x00000fff, s3c24xx->steppingstone);
space.install_ram( 0x40000000, 0x40000fff, s3c24xx->steppingstone);
}
#endif
}