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qemu/hw/display/omap_dss.c
Philippe Mathieu-Daudé a75ed3c430 hw/arm/omap: Drop useless casts from void * to pointer 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00

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/*
* OMAP2 Display Subsystem.
*
* Copyright (C) 2008 Nokia Corporation
* Written by Andrzej Zaborowski <andrew@openedhand.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 or
* (at your option) version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "hw/hw.h"
#include "hw/irq.h"
#include "ui/console.h"
#include "hw/arm/omap.h"
struct omap_dss_s {
qemu_irq irq;
qemu_irq drq;
DisplayState *state;
MemoryRegion iomem_diss1, iomem_disc1, iomem_rfbi1, iomem_venc1, iomem_im3;
int autoidle;
int control;
int enable;
struct omap_dss_panel_s {
int enable;
int nx;
int ny;
int x;
int y;
} dig, lcd;
struct {
uint32_t idlemode;
uint32_t irqst;
uint32_t irqen;
uint32_t control;
uint32_t config;
uint32_t capable;
uint32_t timing[4];
int line;
uint32_t bg[2];
uint32_t trans[2];
struct omap_dss_plane_s {
int enable;
int bpp;
int posx;
int posy;
int nx;
int ny;
hwaddr addr[3];
uint32_t attr;
uint32_t tresh;
int rowinc;
int colinc;
int wininc;
} l[3];
int invalidate;
uint16_t palette[256];
} dispc;
struct {
int idlemode;
uint32_t control;
int enable;
int pixels;
int busy;
int skiplines;
uint16_t rxbuf;
uint32_t config[2];
uint32_t time[4];
uint32_t data[6];
uint16_t vsync;
uint16_t hsync;
struct rfbi_chip_s *chip[2];
} rfbi;
};
static void omap_dispc_interrupt_update(struct omap_dss_s *s)
{
qemu_set_irq(s->irq, s->dispc.irqst & s->dispc.irqen);
}
static void omap_rfbi_reset(struct omap_dss_s *s)
{
s->rfbi.idlemode = 0;
s->rfbi.control = 2;
s->rfbi.enable = 0;
s->rfbi.pixels = 0;
s->rfbi.skiplines = 0;
s->rfbi.busy = 0;
s->rfbi.config[0] = 0x00310000;
s->rfbi.config[1] = 0x00310000;
s->rfbi.time[0] = 0;
s->rfbi.time[1] = 0;
s->rfbi.time[2] = 0;
s->rfbi.time[3] = 0;
s->rfbi.data[0] = 0;
s->rfbi.data[1] = 0;
s->rfbi.data[2] = 0;
s->rfbi.data[3] = 0;
s->rfbi.data[4] = 0;
s->rfbi.data[5] = 0;
s->rfbi.vsync = 0;
s->rfbi.hsync = 0;
}
void omap_dss_reset(struct omap_dss_s *s)
{
s->autoidle = 0;
s->control = 0;
s->enable = 0;
s->dig.enable = 0;
s->dig.nx = 1;
s->dig.ny = 1;
s->lcd.enable = 0;
s->lcd.nx = 1;
s->lcd.ny = 1;
s->dispc.idlemode = 0;
s->dispc.irqst = 0;
s->dispc.irqen = 0;
s->dispc.control = 0;
s->dispc.config = 0;
s->dispc.capable = 0x161;
s->dispc.timing[0] = 0;
s->dispc.timing[1] = 0;
s->dispc.timing[2] = 0;
s->dispc.timing[3] = 0;
s->dispc.line = 0;
s->dispc.bg[0] = 0;
s->dispc.bg[1] = 0;
s->dispc.trans[0] = 0;
s->dispc.trans[1] = 0;
s->dispc.l[0].enable = 0;
s->dispc.l[0].bpp = 0;
s->dispc.l[0].addr[0] = 0;
s->dispc.l[0].addr[1] = 0;
s->dispc.l[0].addr[2] = 0;
s->dispc.l[0].posx = 0;
s->dispc.l[0].posy = 0;
s->dispc.l[0].nx = 1;
s->dispc.l[0].ny = 1;
s->dispc.l[0].attr = 0;
s->dispc.l[0].tresh = 0;
s->dispc.l[0].rowinc = 1;
s->dispc.l[0].colinc = 1;
s->dispc.l[0].wininc = 0;
omap_rfbi_reset(s);
omap_dispc_interrupt_update(s);
}
static uint64_t omap_diss_read(void *opaque, hwaddr addr,
unsigned size)
{
struct omap_dss_s *s = opaque;
if (size != 4) {
return omap_badwidth_read32(opaque, addr);
}
switch (addr) {
case 0x00: /* DSS_REVISIONNUMBER */
return 0x20;
case 0x10: /* DSS_SYSCONFIG */
return s->autoidle;
case 0x14: /* DSS_SYSSTATUS */
return 1; /* RESETDONE */
case 0x40: /* DSS_CONTROL */
return s->control;
case 0x50: /* DSS_PSA_LCD_REG_1 */
case 0x54: /* DSS_PSA_LCD_REG_2 */
case 0x58: /* DSS_PSA_VIDEO_REG */
/* TODO: fake some values when appropriate s->control bits are set */
return 0;
case 0x5c: /* DSS_STATUS */
return 1 + (s->control & 1);
default:
break;
}
OMAP_BAD_REG(addr);
return 0;
}
static void omap_diss_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
struct omap_dss_s *s = opaque;
if (size != 4) {
omap_badwidth_write32(opaque, addr, value);
return;
}
switch (addr) {
case 0x00: /* DSS_REVISIONNUMBER */
case 0x14: /* DSS_SYSSTATUS */
case 0x50: /* DSS_PSA_LCD_REG_1 */
case 0x54: /* DSS_PSA_LCD_REG_2 */
case 0x58: /* DSS_PSA_VIDEO_REG */
case 0x5c: /* DSS_STATUS */
OMAP_RO_REG(addr);
break;
case 0x10: /* DSS_SYSCONFIG */
if (value & 2) /* SOFTRESET */
omap_dss_reset(s);
s->autoidle = value & 1;
break;
case 0x40: /* DSS_CONTROL */
s->control = value & 0x3dd;
break;
default:
OMAP_BAD_REG(addr);
}
}
static const MemoryRegionOps omap_diss_ops = {
.read = omap_diss_read,
.write = omap_diss_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static uint64_t omap_disc_read(void *opaque, hwaddr addr,
unsigned size)
{
struct omap_dss_s *s = opaque;
if (size != 4) {
return omap_badwidth_read32(opaque, addr);
}
switch (addr) {
case 0x000: /* DISPC_REVISION */
return 0x20;
case 0x010: /* DISPC_SYSCONFIG */
return s->dispc.idlemode;
case 0x014: /* DISPC_SYSSTATUS */
return 1; /* RESETDONE */
case 0x018: /* DISPC_IRQSTATUS */
return s->dispc.irqst;
case 0x01c: /* DISPC_IRQENABLE */
return s->dispc.irqen;
case 0x040: /* DISPC_CONTROL */
return s->dispc.control;
case 0x044: /* DISPC_CONFIG */
return s->dispc.config;
case 0x048: /* DISPC_CAPABLE */
return s->dispc.capable;
case 0x04c: /* DISPC_DEFAULT_COLOR0 */
return s->dispc.bg[0];
case 0x050: /* DISPC_DEFAULT_COLOR1 */
return s->dispc.bg[1];
case 0x054: /* DISPC_TRANS_COLOR0 */
return s->dispc.trans[0];
case 0x058: /* DISPC_TRANS_COLOR1 */
return s->dispc.trans[1];
case 0x05c: /* DISPC_LINE_STATUS */
return 0x7ff;
case 0x060: /* DISPC_LINE_NUMBER */
return s->dispc.line;
case 0x064: /* DISPC_TIMING_H */
return s->dispc.timing[0];
case 0x068: /* DISPC_TIMING_V */
return s->dispc.timing[1];
case 0x06c: /* DISPC_POL_FREQ */
return s->dispc.timing[2];
case 0x070: /* DISPC_DIVISOR */
return s->dispc.timing[3];
case 0x078: /* DISPC_SIZE_DIG */
return ((s->dig.ny - 1) << 16) | (s->dig.nx - 1);
case 0x07c: /* DISPC_SIZE_LCD */
return ((s->lcd.ny - 1) << 16) | (s->lcd.nx - 1);
case 0x080: /* DISPC_GFX_BA0 */
return s->dispc.l[0].addr[0];
case 0x084: /* DISPC_GFX_BA1 */
return s->dispc.l[0].addr[1];
case 0x088: /* DISPC_GFX_POSITION */
return (s->dispc.l[0].posy << 16) | s->dispc.l[0].posx;
case 0x08c: /* DISPC_GFX_SIZE */
return ((s->dispc.l[0].ny - 1) << 16) | (s->dispc.l[0].nx - 1);
case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
return s->dispc.l[0].attr;
case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
return s->dispc.l[0].tresh;
case 0x0a8: /* DISPC_GFX_FIFO_SIZE_STATUS */
return 256;
case 0x0ac: /* DISPC_GFX_ROW_INC */
return s->dispc.l[0].rowinc;
case 0x0b0: /* DISPC_GFX_PIXEL_INC */
return s->dispc.l[0].colinc;
case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
return s->dispc.l[0].wininc;
case 0x0b8: /* DISPC_GFX_TABLE_BA */
return s->dispc.l[0].addr[2];
case 0x0bc: /* DISPC_VID1_BA0 */
case 0x0c0: /* DISPC_VID1_BA1 */
case 0x0c4: /* DISPC_VID1_POSITION */
case 0x0c8: /* DISPC_VID1_SIZE */
case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
case 0x0d4: /* DISPC_VID1_FIFO_SIZE_STATUS */
case 0x0d8: /* DISPC_VID1_ROW_INC */
case 0x0dc: /* DISPC_VID1_PIXEL_INC */
case 0x0e0: /* DISPC_VID1_FIR */
case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
case 0x0e8: /* DISPC_VID1_ACCU0 */
case 0x0ec: /* DISPC_VID1_ACCU1 */
case 0x0f0 ... 0x140: /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
case 0x14c: /* DISPC_VID2_BA0 */
case 0x150: /* DISPC_VID2_BA1 */
case 0x154: /* DISPC_VID2_POSITION */
case 0x158: /* DISPC_VID2_SIZE */
case 0x15c: /* DISPC_VID2_ATTRIBUTES */
case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
case 0x164: /* DISPC_VID2_FIFO_SIZE_STATUS */
case 0x168: /* DISPC_VID2_ROW_INC */
case 0x16c: /* DISPC_VID2_PIXEL_INC */
case 0x170: /* DISPC_VID2_FIR */
case 0x174: /* DISPC_VID2_PICTURE_SIZE */
case 0x178: /* DISPC_VID2_ACCU0 */
case 0x17c: /* DISPC_VID2_ACCU1 */
case 0x180 ... 0x1d0: /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
case 0x1d4: /* DISPC_DATA_CYCLE1 */
case 0x1d8: /* DISPC_DATA_CYCLE2 */
case 0x1dc: /* DISPC_DATA_CYCLE3 */
return 0;
default:
break;
}
OMAP_BAD_REG(addr);
return 0;
}
static void omap_disc_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
struct omap_dss_s *s = opaque;
if (size != 4) {
omap_badwidth_write32(opaque, addr, value);
return;
}
switch (addr) {
case 0x010: /* DISPC_SYSCONFIG */
if (value & 2) /* SOFTRESET */
omap_dss_reset(s);
s->dispc.idlemode = value & 0x301b;
break;
case 0x018: /* DISPC_IRQSTATUS */
s->dispc.irqst &= ~value;
omap_dispc_interrupt_update(s);
break;
case 0x01c: /* DISPC_IRQENABLE */
s->dispc.irqen = value & 0xffff;
omap_dispc_interrupt_update(s);
break;
case 0x040: /* DISPC_CONTROL */
s->dispc.control = value & 0x07ff9fff;
s->dig.enable = (value >> 1) & 1;
s->lcd.enable = (value >> 0) & 1;
if (value & (1 << 12)) /* OVERLAY_OPTIMIZATION */
if (!((s->dispc.l[1].attr | s->dispc.l[2].attr) & 1)) {
fprintf(stderr, "%s: Overlay Optimization when no overlay "
"region effectively exists leads to "
"unpredictable behaviour!\n", __func__);
}
if (value & (1 << 6)) { /* GODIGITAL */
/* XXX: Shadowed fields are:
* s->dispc.config
* s->dispc.capable
* s->dispc.bg[0]
* s->dispc.bg[1]
* s->dispc.trans[0]
* s->dispc.trans[1]
* s->dispc.line
* s->dispc.timing[0]
* s->dispc.timing[1]
* s->dispc.timing[2]
* s->dispc.timing[3]
* s->lcd.nx
* s->lcd.ny
* s->dig.nx
* s->dig.ny
* s->dispc.l[0].addr[0]
* s->dispc.l[0].addr[1]
* s->dispc.l[0].addr[2]
* s->dispc.l[0].posx
* s->dispc.l[0].posy
* s->dispc.l[0].nx
* s->dispc.l[0].ny
* s->dispc.l[0].tresh
* s->dispc.l[0].rowinc
* s->dispc.l[0].colinc
* s->dispc.l[0].wininc
* All they need to be loaded here from their shadow registers.
*/
}
if (value & (1 << 5)) { /* GOLCD */
/* XXX: Likewise for LCD here. */
}
s->dispc.invalidate = 1;
break;
case 0x044: /* DISPC_CONFIG */
s->dispc.config = value & 0x3fff;
/* XXX:
* bits 2:1 (LOADMODE) reset to 0 after set to 1 and palette loaded
* bits 2:1 (LOADMODE) reset to 2 after set to 3 and palette loaded
*/
s->dispc.invalidate = 1;
break;
case 0x048: /* DISPC_CAPABLE */
s->dispc.capable = value & 0x3ff;
break;
case 0x04c: /* DISPC_DEFAULT_COLOR0 */
s->dispc.bg[0] = value & 0xffffff;
s->dispc.invalidate = 1;
break;
case 0x050: /* DISPC_DEFAULT_COLOR1 */
s->dispc.bg[1] = value & 0xffffff;
s->dispc.invalidate = 1;
break;
case 0x054: /* DISPC_TRANS_COLOR0 */
s->dispc.trans[0] = value & 0xffffff;
s->dispc.invalidate = 1;
break;
case 0x058: /* DISPC_TRANS_COLOR1 */
s->dispc.trans[1] = value & 0xffffff;
s->dispc.invalidate = 1;
break;
case 0x060: /* DISPC_LINE_NUMBER */
s->dispc.line = value & 0x7ff;
break;
case 0x064: /* DISPC_TIMING_H */
s->dispc.timing[0] = value & 0x0ff0ff3f;
break;
case 0x068: /* DISPC_TIMING_V */
s->dispc.timing[1] = value & 0x0ff0ff3f;
break;
case 0x06c: /* DISPC_POL_FREQ */
s->dispc.timing[2] = value & 0x0003ffff;
break;
case 0x070: /* DISPC_DIVISOR */
s->dispc.timing[3] = value & 0x00ff00ff;
break;
case 0x078: /* DISPC_SIZE_DIG */
s->dig.nx = ((value >> 0) & 0x7ff) + 1; /* PPL */
s->dig.ny = ((value >> 16) & 0x7ff) + 1; /* LPP */
s->dispc.invalidate = 1;
break;
case 0x07c: /* DISPC_SIZE_LCD */
s->lcd.nx = ((value >> 0) & 0x7ff) + 1; /* PPL */
s->lcd.ny = ((value >> 16) & 0x7ff) + 1; /* LPP */
s->dispc.invalidate = 1;
break;
case 0x080: /* DISPC_GFX_BA0 */
s->dispc.l[0].addr[0] = (hwaddr) value;
s->dispc.invalidate = 1;
break;
case 0x084: /* DISPC_GFX_BA1 */
s->dispc.l[0].addr[1] = (hwaddr) value;
s->dispc.invalidate = 1;
break;
case 0x088: /* DISPC_GFX_POSITION */
s->dispc.l[0].posx = ((value >> 0) & 0x7ff); /* GFXPOSX */
s->dispc.l[0].posy = ((value >> 16) & 0x7ff); /* GFXPOSY */
s->dispc.invalidate = 1;
break;
case 0x08c: /* DISPC_GFX_SIZE */
s->dispc.l[0].nx = ((value >> 0) & 0x7ff) + 1; /* GFXSIZEX */
s->dispc.l[0].ny = ((value >> 16) & 0x7ff) + 1; /* GFXSIZEY */
s->dispc.invalidate = 1;
break;
case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
s->dispc.l[0].attr = value & 0x7ff;
if (value & (3 << 9))
fprintf(stderr, "%s: Big-endian pixel format not supported\n",
__func__);
s->dispc.l[0].enable = value & 1;
s->dispc.l[0].bpp = (value >> 1) & 0xf;
s->dispc.invalidate = 1;
break;
case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
s->dispc.l[0].tresh = value & 0x01ff01ff;
break;
case 0x0ac: /* DISPC_GFX_ROW_INC */
s->dispc.l[0].rowinc = value;
s->dispc.invalidate = 1;
break;
case 0x0b0: /* DISPC_GFX_PIXEL_INC */
s->dispc.l[0].colinc = value;
s->dispc.invalidate = 1;
break;
case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
s->dispc.l[0].wininc = value;
break;
case 0x0b8: /* DISPC_GFX_TABLE_BA */
s->dispc.l[0].addr[2] = (hwaddr) value;
s->dispc.invalidate = 1;
break;
case 0x0bc: /* DISPC_VID1_BA0 */
case 0x0c0: /* DISPC_VID1_BA1 */
case 0x0c4: /* DISPC_VID1_POSITION */
case 0x0c8: /* DISPC_VID1_SIZE */
case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
case 0x0d8: /* DISPC_VID1_ROW_INC */
case 0x0dc: /* DISPC_VID1_PIXEL_INC */
case 0x0e0: /* DISPC_VID1_FIR */
case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
case 0x0e8: /* DISPC_VID1_ACCU0 */
case 0x0ec: /* DISPC_VID1_ACCU1 */
case 0x0f0 ... 0x140: /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
case 0x14c: /* DISPC_VID2_BA0 */
case 0x150: /* DISPC_VID2_BA1 */
case 0x154: /* DISPC_VID2_POSITION */
case 0x158: /* DISPC_VID2_SIZE */
case 0x15c: /* DISPC_VID2_ATTRIBUTES */
case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
case 0x168: /* DISPC_VID2_ROW_INC */
case 0x16c: /* DISPC_VID2_PIXEL_INC */
case 0x170: /* DISPC_VID2_FIR */
case 0x174: /* DISPC_VID2_PICTURE_SIZE */
case 0x178: /* DISPC_VID2_ACCU0 */
case 0x17c: /* DISPC_VID2_ACCU1 */
case 0x180 ... 0x1d0: /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
case 0x1d4: /* DISPC_DATA_CYCLE1 */
case 0x1d8: /* DISPC_DATA_CYCLE2 */
case 0x1dc: /* DISPC_DATA_CYCLE3 */
break;
default:
OMAP_BAD_REG(addr);
}
}
static const MemoryRegionOps omap_disc_ops = {
.read = omap_disc_read,
.write = omap_disc_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static void omap_rfbi_transfer_stop(struct omap_dss_s *s)
{
if (!s->rfbi.busy)
return;
/* TODO: in non-Bypass mode we probably need to just deassert the DRQ. */
s->rfbi.busy = 0;
}
static void omap_rfbi_transfer_start(struct omap_dss_s *s)
{
void *data;
hwaddr len;
hwaddr data_addr;
int pitch;
static void *bounce_buffer;
static hwaddr bounce_len;
if (!s->rfbi.enable || s->rfbi.busy)
return;
if (s->rfbi.control & (1 << 1)) { /* BYPASS */
/* TODO: in non-Bypass mode we probably need to just assert the
* DRQ and wait for DMA to write the pixels. */
qemu_log_mask(LOG_UNIMP, "%s: Bypass mode unimplemented\n", __func__);
return;
}
if (!(s->dispc.control & (1 << 11))) /* RFBIMODE */
return;
/* TODO: check that LCD output is enabled in DISPC. */
s->rfbi.busy = 1;
len = s->rfbi.pixels * 2;
data_addr = s->dispc.l[0].addr[0];
data = cpu_physical_memory_map(data_addr, &len, false);
if (data && len != s->rfbi.pixels * 2) {
cpu_physical_memory_unmap(data, len, 0, 0);
data = NULL;
len = s->rfbi.pixels * 2;
}
if (!data) {
if (len > bounce_len) {
bounce_buffer = g_realloc(bounce_buffer, len);
}
data = bounce_buffer;
cpu_physical_memory_read(data_addr, data, len);
}
/* TODO bpp */
s->rfbi.pixels = 0;
/* TODO: negative values */
pitch = s->dispc.l[0].nx + (s->dispc.l[0].rowinc - 1) / 2;
if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
s->rfbi.chip[0]->block(s->rfbi.chip[0]->opaque, 1, data, len, pitch);
if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
s->rfbi.chip[1]->block(s->rfbi.chip[1]->opaque, 1, data, len, pitch);
if (data != bounce_buffer) {
cpu_physical_memory_unmap(data, len, 0, len);
}
omap_rfbi_transfer_stop(s);
/* TODO */
s->dispc.irqst |= 1; /* FRAMEDONE */
omap_dispc_interrupt_update(s);
}
static uint64_t omap_rfbi_read(void *opaque, hwaddr addr, unsigned size)
{
struct omap_dss_s *s = opaque;
if (size != 4) {
return omap_badwidth_read32(opaque, addr);
}
switch (addr) {
case 0x00: /* RFBI_REVISION */
return 0x10;
case 0x10: /* RFBI_SYSCONFIG */
return s->rfbi.idlemode;
case 0x14: /* RFBI_SYSSTATUS */
return 1 | (s->rfbi.busy << 8); /* RESETDONE */
case 0x40: /* RFBI_CONTROL */
return s->rfbi.control;
case 0x44: /* RFBI_PIXELCNT */
return s->rfbi.pixels;
case 0x48: /* RFBI_LINE_NUMBER */
return s->rfbi.skiplines;
case 0x58: /* RFBI_READ */
case 0x5c: /* RFBI_STATUS */
return s->rfbi.rxbuf;
case 0x60: /* RFBI_CONFIG0 */
return s->rfbi.config[0];
case 0x64: /* RFBI_ONOFF_TIME0 */
return s->rfbi.time[0];
case 0x68: /* RFBI_CYCLE_TIME0 */
return s->rfbi.time[1];
case 0x6c: /* RFBI_DATA_CYCLE1_0 */
return s->rfbi.data[0];
case 0x70: /* RFBI_DATA_CYCLE2_0 */
return s->rfbi.data[1];
case 0x74: /* RFBI_DATA_CYCLE3_0 */
return s->rfbi.data[2];
case 0x78: /* RFBI_CONFIG1 */
return s->rfbi.config[1];
case 0x7c: /* RFBI_ONOFF_TIME1 */
return s->rfbi.time[2];
case 0x80: /* RFBI_CYCLE_TIME1 */
return s->rfbi.time[3];
case 0x84: /* RFBI_DATA_CYCLE1_1 */
return s->rfbi.data[3];
case 0x88: /* RFBI_DATA_CYCLE2_1 */
return s->rfbi.data[4];
case 0x8c: /* RFBI_DATA_CYCLE3_1 */
return s->rfbi.data[5];
case 0x90: /* RFBI_VSYNC_WIDTH */
return s->rfbi.vsync;
case 0x94: /* RFBI_HSYNC_WIDTH */
return s->rfbi.hsync;
}
OMAP_BAD_REG(addr);
return 0;
}
static void omap_rfbi_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
struct omap_dss_s *s = opaque;
if (size != 4) {
omap_badwidth_write32(opaque, addr, value);
return;
}
switch (addr) {
case 0x10: /* RFBI_SYSCONFIG */
if (value & 2) /* SOFTRESET */
omap_rfbi_reset(s);
s->rfbi.idlemode = value & 0x19;
break;
case 0x40: /* RFBI_CONTROL */
s->rfbi.control = value & 0xf;
s->rfbi.enable = value & 1;
if (value & (1 << 4) && /* ITE */
!(s->rfbi.config[0] & s->rfbi.config[1] & 0xc))
omap_rfbi_transfer_start(s);
break;
case 0x44: /* RFBI_PIXELCNT */
s->rfbi.pixels = value;
break;
case 0x48: /* RFBI_LINE_NUMBER */
s->rfbi.skiplines = value & 0x7ff;
break;
case 0x4c: /* RFBI_CMD */
if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 0, value & 0xffff);
if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 0, value & 0xffff);
break;
case 0x50: /* RFBI_PARAM */
if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff);
break;
case 0x54: /* RFBI_DATA */
/* TODO: take into account the format set up in s->rfbi.config[?] and
* s->rfbi.data[?], but special-case the most usual scenario so that
* speed doesn't suffer. */
if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) {
s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value >> 16);
}
if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) {
s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff);
s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value >> 16);
}
if (!-- s->rfbi.pixels)
omap_rfbi_transfer_stop(s);
break;
case 0x58: /* RFBI_READ */
if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 1);
else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
s->rfbi.rxbuf = s->rfbi.chip[1]->read(s->rfbi.chip[1]->opaque, 1);
if (!-- s->rfbi.pixels)
omap_rfbi_transfer_stop(s);
break;
case 0x5c: /* RFBI_STATUS */
if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 0);
else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
s->rfbi.rxbuf = s->rfbi.chip[1]->read(s->rfbi.chip[1]->opaque, 0);
if (!-- s->rfbi.pixels)
omap_rfbi_transfer_stop(s);
break;
case 0x60: /* RFBI_CONFIG0 */
s->rfbi.config[0] = value & 0x003f1fff;
break;
case 0x64: /* RFBI_ONOFF_TIME0 */
s->rfbi.time[0] = value & 0x3fffffff;
break;
case 0x68: /* RFBI_CYCLE_TIME0 */
s->rfbi.time[1] = value & 0x0fffffff;
break;
case 0x6c: /* RFBI_DATA_CYCLE1_0 */
s->rfbi.data[0] = value & 0x0f1f0f1f;
break;
case 0x70: /* RFBI_DATA_CYCLE2_0 */
s->rfbi.data[1] = value & 0x0f1f0f1f;
break;
case 0x74: /* RFBI_DATA_CYCLE3_0 */
s->rfbi.data[2] = value & 0x0f1f0f1f;
break;
case 0x78: /* RFBI_CONFIG1 */
s->rfbi.config[1] = value & 0x003f1fff;
break;
case 0x7c: /* RFBI_ONOFF_TIME1 */
s->rfbi.time[2] = value & 0x3fffffff;
break;
case 0x80: /* RFBI_CYCLE_TIME1 */
s->rfbi.time[3] = value & 0x0fffffff;
break;
case 0x84: /* RFBI_DATA_CYCLE1_1 */
s->rfbi.data[3] = value & 0x0f1f0f1f;
break;
case 0x88: /* RFBI_DATA_CYCLE2_1 */
s->rfbi.data[4] = value & 0x0f1f0f1f;
break;
case 0x8c: /* RFBI_DATA_CYCLE3_1 */
s->rfbi.data[5] = value & 0x0f1f0f1f;
break;
case 0x90: /* RFBI_VSYNC_WIDTH */
s->rfbi.vsync = value & 0xffff;
break;
case 0x94: /* RFBI_HSYNC_WIDTH */
s->rfbi.hsync = value & 0xffff;
break;
default:
OMAP_BAD_REG(addr);
}
}
static const MemoryRegionOps omap_rfbi_ops = {
.read = omap_rfbi_read,
.write = omap_rfbi_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static uint64_t omap_venc_read(void *opaque, hwaddr addr,
unsigned size)
{
if (size != 4) {
return omap_badwidth_read32(opaque, addr);
}
switch (addr) {
case 0x00: /* REV_ID */
case 0x04: /* STATUS */
case 0x08: /* F_CONTROL */
case 0x10: /* VIDOUT_CTRL */
case 0x14: /* SYNC_CTRL */
case 0x1c: /* LLEN */
case 0x20: /* FLENS */
case 0x24: /* HFLTR_CTRL */
case 0x28: /* CC_CARR_WSS_CARR */
case 0x2c: /* C_PHASE */
case 0x30: /* GAIN_U */
case 0x34: /* GAIN_V */
case 0x38: /* GAIN_Y */
case 0x3c: /* BLACK_LEVEL */
case 0x40: /* BLANK_LEVEL */
case 0x44: /* X_COLOR */
case 0x48: /* M_CONTROL */
case 0x4c: /* BSTAMP_WSS_DATA */
case 0x50: /* S_CARR */
case 0x54: /* LINE21 */
case 0x58: /* LN_SEL */
case 0x5c: /* L21__WC_CTL */
case 0x60: /* HTRIGGER_VTRIGGER */
case 0x64: /* SAVID__EAVID */
case 0x68: /* FLEN__FAL */
case 0x6c: /* LAL__PHASE_RESET */
case 0x70: /* HS_INT_START_STOP_X */
case 0x74: /* HS_EXT_START_STOP_X */
case 0x78: /* VS_INT_START_X */
case 0x7c: /* VS_INT_STOP_X__VS_INT_START_Y */
case 0x80: /* VS_INT_STOP_Y__VS_INT_START_X */
case 0x84: /* VS_EXT_STOP_X__VS_EXT_START_Y */
case 0x88: /* VS_EXT_STOP_Y */
case 0x90: /* AVID_START_STOP_X */
case 0x94: /* AVID_START_STOP_Y */
case 0xa0: /* FID_INT_START_X__FID_INT_START_Y */
case 0xa4: /* FID_INT_OFFSET_Y__FID_EXT_START_X */
case 0xa8: /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
case 0xb0: /* TVDETGP_INT_START_STOP_X */
case 0xb4: /* TVDETGP_INT_START_STOP_Y */
case 0xb8: /* GEN_CTRL */
case 0xc4: /* DAC_TST__DAC_A */
case 0xc8: /* DAC_B__DAC_C */
return 0;
default:
break;
}
OMAP_BAD_REG(addr);
return 0;
}
static void omap_venc_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
if (size != 4) {
omap_badwidth_write32(opaque, addr, size);
return;
}
switch (addr) {
case 0x08: /* F_CONTROL */
case 0x10: /* VIDOUT_CTRL */
case 0x14: /* SYNC_CTRL */
case 0x1c: /* LLEN */
case 0x20: /* FLENS */
case 0x24: /* HFLTR_CTRL */
case 0x28: /* CC_CARR_WSS_CARR */
case 0x2c: /* C_PHASE */
case 0x30: /* GAIN_U */
case 0x34: /* GAIN_V */
case 0x38: /* GAIN_Y */
case 0x3c: /* BLACK_LEVEL */
case 0x40: /* BLANK_LEVEL */
case 0x44: /* X_COLOR */
case 0x48: /* M_CONTROL */
case 0x4c: /* BSTAMP_WSS_DATA */
case 0x50: /* S_CARR */
case 0x54: /* LINE21 */
case 0x58: /* LN_SEL */
case 0x5c: /* L21__WC_CTL */
case 0x60: /* HTRIGGER_VTRIGGER */
case 0x64: /* SAVID__EAVID */
case 0x68: /* FLEN__FAL */
case 0x6c: /* LAL__PHASE_RESET */
case 0x70: /* HS_INT_START_STOP_X */
case 0x74: /* HS_EXT_START_STOP_X */
case 0x78: /* VS_INT_START_X */
case 0x7c: /* VS_INT_STOP_X__VS_INT_START_Y */
case 0x80: /* VS_INT_STOP_Y__VS_INT_START_X */
case 0x84: /* VS_EXT_STOP_X__VS_EXT_START_Y */
case 0x88: /* VS_EXT_STOP_Y */
case 0x90: /* AVID_START_STOP_X */
case 0x94: /* AVID_START_STOP_Y */
case 0xa0: /* FID_INT_START_X__FID_INT_START_Y */
case 0xa4: /* FID_INT_OFFSET_Y__FID_EXT_START_X */
case 0xa8: /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
case 0xb0: /* TVDETGP_INT_START_STOP_X */
case 0xb4: /* TVDETGP_INT_START_STOP_Y */
case 0xb8: /* GEN_CTRL */
case 0xc4: /* DAC_TST__DAC_A */
case 0xc8: /* DAC_B__DAC_C */
break;
default:
OMAP_BAD_REG(addr);
}
}
static const MemoryRegionOps omap_venc_ops = {
.read = omap_venc_read,
.write = omap_venc_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static uint64_t omap_im3_read(void *opaque, hwaddr addr,
unsigned size)
{
if (size != 4) {
return omap_badwidth_read32(opaque, addr);
}
switch (addr) {
case 0x0a8: /* SBIMERRLOGA */
case 0x0b0: /* SBIMERRLOG */
case 0x190: /* SBIMSTATE */
case 0x198: /* SBTMSTATE_L */
case 0x19c: /* SBTMSTATE_H */
case 0x1a8: /* SBIMCONFIG_L */
case 0x1ac: /* SBIMCONFIG_H */
case 0x1f8: /* SBID_L */
case 0x1fc: /* SBID_H */
return 0;
default:
break;
}
OMAP_BAD_REG(addr);
return 0;
}
static void omap_im3_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
if (size != 4) {
omap_badwidth_write32(opaque, addr, value);
return;
}
switch (addr) {
case 0x0b0: /* SBIMERRLOG */
case 0x190: /* SBIMSTATE */
case 0x198: /* SBTMSTATE_L */
case 0x19c: /* SBTMSTATE_H */
case 0x1a8: /* SBIMCONFIG_L */
case 0x1ac: /* SBIMCONFIG_H */
break;
default:
OMAP_BAD_REG(addr);
}
}
static const MemoryRegionOps omap_im3_ops = {
.read = omap_im3_read,
.write = omap_im3_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
struct omap_dss_s *omap_dss_init(struct omap_target_agent_s *ta,
MemoryRegion *sysmem,
hwaddr l3_base,
qemu_irq irq, qemu_irq drq,
omap_clk fck1, omap_clk fck2, omap_clk ck54m,
omap_clk ick1, omap_clk ick2)
{
struct omap_dss_s *s = g_new0(struct omap_dss_s, 1);
s->irq = irq;
s->drq = drq;
omap_dss_reset(s);
memory_region_init_io(&s->iomem_diss1, NULL, &omap_diss_ops, s, "omap.diss1",
omap_l4_region_size(ta, 0));
memory_region_init_io(&s->iomem_disc1, NULL, &omap_disc_ops, s, "omap.disc1",
omap_l4_region_size(ta, 1));
memory_region_init_io(&s->iomem_rfbi1, NULL, &omap_rfbi_ops, s, "omap.rfbi1",
omap_l4_region_size(ta, 2));
memory_region_init_io(&s->iomem_venc1, NULL, &omap_venc_ops, s, "omap.venc1",
omap_l4_region_size(ta, 3));
memory_region_init_io(&s->iomem_im3, NULL, &omap_im3_ops, s,
"omap.im3", 0x1000);
omap_l4_attach(ta, 0, &s->iomem_diss1);
omap_l4_attach(ta, 1, &s->iomem_disc1);
omap_l4_attach(ta, 2, &s->iomem_rfbi1);
omap_l4_attach(ta, 3, &s->iomem_venc1);
memory_region_add_subregion(sysmem, l3_base, &s->iomem_im3);
#if 0
s->state = graphic_console_init(omap_update_display,
omap_invalidate_display, omap_screen_dump, s);
#endif
return s;
}
void omap_rfbi_attach(struct omap_dss_s *s, int cs, struct rfbi_chip_s *chip)
{
if (cs < 0 || cs > 1)
hw_error("%s: wrong CS %i\n", __func__, cs);
s->rfbi.chip[cs] = chip;
}
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