summaryrefslogtreecommitdiff
path: root/hw/pl110.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/pl110.c')
-rw-r--r--hw/pl110.c533
1 files changed, 0 insertions, 533 deletions
diff --git a/hw/pl110.c b/hw/pl110.c
deleted file mode 100644
index fbef675f9c..0000000000
--- a/hw/pl110.c
+++ /dev/null
@@ -1,533 +0,0 @@
-/*
- * Arm PrimeCell PL110 Color LCD Controller
- *
- * Copyright (c) 2005-2009 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licensed under the GNU LGPL
- */
-
-#include "hw/sysbus.h"
-#include "ui/console.h"
-#include "hw/framebuffer.h"
-#include "ui/pixel_ops.h"
-
-#define PL110_CR_EN 0x001
-#define PL110_CR_BGR 0x100
-#define PL110_CR_BEBO 0x200
-#define PL110_CR_BEPO 0x400
-#define PL110_CR_PWR 0x800
-
-enum pl110_bppmode
-{
- BPP_1,
- BPP_2,
- BPP_4,
- BPP_8,
- BPP_16,
- BPP_32,
- BPP_16_565, /* PL111 only */
- BPP_12 /* PL111 only */
-};
-
-
-/* The Versatile/PB uses a slightly modified PL110 controller. */
-enum pl110_version
-{
- PL110,
- PL110_VERSATILE,
- PL111
-};
-
-typedef struct {
- SysBusDevice busdev;
- MemoryRegion iomem;
- QemuConsole *con;
-
- int version;
- uint32_t timing[4];
- uint32_t cr;
- uint32_t upbase;
- uint32_t lpbase;
- uint32_t int_status;
- uint32_t int_mask;
- int cols;
- int rows;
- enum pl110_bppmode bpp;
- int invalidate;
- uint32_t mux_ctrl;
- uint32_t palette[256];
- uint32_t raw_palette[128];
- qemu_irq irq;
-} pl110_state;
-
-static int vmstate_pl110_post_load(void *opaque, int version_id);
-
-static const VMStateDescription vmstate_pl110 = {
- .name = "pl110",
- .version_id = 2,
- .minimum_version_id = 1,
- .post_load = vmstate_pl110_post_load,
- .fields = (VMStateField[]) {
- VMSTATE_INT32(version, pl110_state),
- VMSTATE_UINT32_ARRAY(timing, pl110_state, 4),
- VMSTATE_UINT32(cr, pl110_state),
- VMSTATE_UINT32(upbase, pl110_state),
- VMSTATE_UINT32(lpbase, pl110_state),
- VMSTATE_UINT32(int_status, pl110_state),
- VMSTATE_UINT32(int_mask, pl110_state),
- VMSTATE_INT32(cols, pl110_state),
- VMSTATE_INT32(rows, pl110_state),
- VMSTATE_UINT32(bpp, pl110_state),
- VMSTATE_INT32(invalidate, pl110_state),
- VMSTATE_UINT32_ARRAY(palette, pl110_state, 256),
- VMSTATE_UINT32_ARRAY(raw_palette, pl110_state, 128),
- VMSTATE_UINT32_V(mux_ctrl, pl110_state, 2),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static const unsigned char pl110_id[] =
-{ 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
-
-/* The Arm documentation (DDI0224C) says the CLDC on the Versatile board
- has a different ID. However Linux only looks for the normal ID. */
-#if 0
-static const unsigned char pl110_versatile_id[] =
-{ 0x93, 0x10, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
-#else
-#define pl110_versatile_id pl110_id
-#endif
-
-static const unsigned char pl111_id[] = {
- 0x11, 0x11, 0x24, 0x00, 0x0d, 0xf0, 0x05, 0xb1
-};
-
-/* Indexed by pl110_version */
-static const unsigned char *idregs[] = {
- pl110_id,
- pl110_versatile_id,
- pl111_id
-};
-
-#define BITS 8
-#include "hw/pl110_template.h"
-#define BITS 15
-#include "hw/pl110_template.h"
-#define BITS 16
-#include "hw/pl110_template.h"
-#define BITS 24
-#include "hw/pl110_template.h"
-#define BITS 32
-#include "hw/pl110_template.h"
-
-static int pl110_enabled(pl110_state *s)
-{
- return (s->cr & PL110_CR_EN) && (s->cr & PL110_CR_PWR);
-}
-
-static void pl110_update_display(void *opaque)
-{
- pl110_state *s = (pl110_state *)opaque;
- DisplaySurface *surface = qemu_console_surface(s->con);
- drawfn* fntable;
- drawfn fn;
- int dest_width;
- int src_width;
- int bpp_offset;
- int first;
- int last;
-
- if (!pl110_enabled(s))
- return;
-
- switch (surface_bits_per_pixel(surface)) {
- case 0:
- return;
- case 8:
- fntable = pl110_draw_fn_8;
- dest_width = 1;
- break;
- case 15:
- fntable = pl110_draw_fn_15;
- dest_width = 2;
- break;
- case 16:
- fntable = pl110_draw_fn_16;
- dest_width = 2;
- break;
- case 24:
- fntable = pl110_draw_fn_24;
- dest_width = 3;
- break;
- case 32:
- fntable = pl110_draw_fn_32;
- dest_width = 4;
- break;
- default:
- fprintf(stderr, "pl110: Bad color depth\n");
- exit(1);
- }
- if (s->cr & PL110_CR_BGR)
- bpp_offset = 0;
- else
- bpp_offset = 24;
-
- if ((s->version != PL111) && (s->bpp == BPP_16)) {
- /* The PL110's native 16 bit mode is 5551; however
- * most boards with a PL110 implement an external
- * mux which allows bits to be reshuffled to give
- * 565 format. The mux is typically controlled by
- * an external system register.
- * This is controlled by a GPIO input pin
- * so boards can wire it up to their register.
- *
- * The PL111 straightforwardly implements both
- * 5551 and 565 under control of the bpp field
- * in the LCDControl register.
- */
- switch (s->mux_ctrl) {
- case 3: /* 565 BGR */
- bpp_offset = (BPP_16_565 - BPP_16);
- break;
- case 1: /* 5551 */
- break;
- case 0: /* 888; also if we have loaded vmstate from an old version */
- case 2: /* 565 RGB */
- default:
- /* treat as 565 but honour BGR bit */
- bpp_offset += (BPP_16_565 - BPP_16);
- break;
- }
- }
-
- if (s->cr & PL110_CR_BEBO)
- fn = fntable[s->bpp + 8 + bpp_offset];
- else if (s->cr & PL110_CR_BEPO)
- fn = fntable[s->bpp + 16 + bpp_offset];
- else
- fn = fntable[s->bpp + bpp_offset];
-
- src_width = s->cols;
- switch (s->bpp) {
- case BPP_1:
- src_width >>= 3;
- break;
- case BPP_2:
- src_width >>= 2;
- break;
- case BPP_4:
- src_width >>= 1;
- break;
- case BPP_8:
- break;
- case BPP_16:
- case BPP_16_565:
- case BPP_12:
- src_width <<= 1;
- break;
- case BPP_32:
- src_width <<= 2;
- break;
- }
- dest_width *= s->cols;
- first = 0;
- framebuffer_update_display(surface, sysbus_address_space(&s->busdev),
- s->upbase, s->cols, s->rows,
- src_width, dest_width, 0,
- s->invalidate,
- fn, s->palette,
- &first, &last);
- if (first >= 0) {
- dpy_gfx_update(s->con, 0, first, s->cols, last - first + 1);
- }
- s->invalidate = 0;
-}
-
-static void pl110_invalidate_display(void * opaque)
-{
- pl110_state *s = (pl110_state *)opaque;
- s->invalidate = 1;
- if (pl110_enabled(s)) {
- qemu_console_resize(s->con, s->cols, s->rows);
- }
-}
-
-static void pl110_update_palette(pl110_state *s, int n)
-{
- DisplaySurface *surface = qemu_console_surface(s->con);
- int i;
- uint32_t raw;
- unsigned int r, g, b;
-
- raw = s->raw_palette[n];
- n <<= 1;
- for (i = 0; i < 2; i++) {
- r = (raw & 0x1f) << 3;
- raw >>= 5;
- g = (raw & 0x1f) << 3;
- raw >>= 5;
- b = (raw & 0x1f) << 3;
- /* The I bit is ignored. */
- raw >>= 6;
- switch (surface_bits_per_pixel(surface)) {
- case 8:
- s->palette[n] = rgb_to_pixel8(r, g, b);
- break;
- case 15:
- s->palette[n] = rgb_to_pixel15(r, g, b);
- break;
- case 16:
- s->palette[n] = rgb_to_pixel16(r, g, b);
- break;
- case 24:
- case 32:
- s->palette[n] = rgb_to_pixel32(r, g, b);
- break;
- }
- n++;
- }
-}
-
-static void pl110_resize(pl110_state *s, int width, int height)
-{
- if (width != s->cols || height != s->rows) {
- if (pl110_enabled(s)) {
- qemu_console_resize(s->con, width, height);
- }
- }
- s->cols = width;
- s->rows = height;
-}
-
-/* Update interrupts. */
-static void pl110_update(pl110_state *s)
-{
- /* TODO: Implement interrupts. */
-}
-
-static uint64_t pl110_read(void *opaque, hwaddr offset,
- unsigned size)
-{
- pl110_state *s = (pl110_state *)opaque;
-
- if (offset >= 0xfe0 && offset < 0x1000) {
- return idregs[s->version][(offset - 0xfe0) >> 2];
- }
- if (offset >= 0x200 && offset < 0x400) {
- return s->raw_palette[(offset - 0x200) >> 2];
- }
- switch (offset >> 2) {
- case 0: /* LCDTiming0 */
- return s->timing[0];
- case 1: /* LCDTiming1 */
- return s->timing[1];
- case 2: /* LCDTiming2 */
- return s->timing[2];
- case 3: /* LCDTiming3 */
- return s->timing[3];
- case 4: /* LCDUPBASE */
- return s->upbase;
- case 5: /* LCDLPBASE */
- return s->lpbase;
- case 6: /* LCDIMSC */
- if (s->version != PL110) {
- return s->cr;
- }
- return s->int_mask;
- case 7: /* LCDControl */
- if (s->version != PL110) {
- return s->int_mask;
- }
- return s->cr;
- case 8: /* LCDRIS */
- return s->int_status;
- case 9: /* LCDMIS */
- return s->int_status & s->int_mask;
- case 11: /* LCDUPCURR */
- /* TODO: Implement vertical refresh. */
- return s->upbase;
- case 12: /* LCDLPCURR */
- return s->lpbase;
- default:
- qemu_log_mask(LOG_GUEST_ERROR,
- "pl110_read: Bad offset %x\n", (int)offset);
- return 0;
- }
-}
-
-static void pl110_write(void *opaque, hwaddr offset,
- uint64_t val, unsigned size)
-{
- pl110_state *s = (pl110_state *)opaque;
- int n;
-
- /* For simplicity invalidate the display whenever a control register
- is written to. */
- s->invalidate = 1;
- if (offset >= 0x200 && offset < 0x400) {
- /* Palette. */
- n = (offset - 0x200) >> 2;
- s->raw_palette[(offset - 0x200) >> 2] = val;
- pl110_update_palette(s, n);
- return;
- }
- switch (offset >> 2) {
- case 0: /* LCDTiming0 */
- s->timing[0] = val;
- n = ((val & 0xfc) + 4) * 4;
- pl110_resize(s, n, s->rows);
- break;
- case 1: /* LCDTiming1 */
- s->timing[1] = val;
- n = (val & 0x3ff) + 1;
- pl110_resize(s, s->cols, n);
- break;
- case 2: /* LCDTiming2 */
- s->timing[2] = val;
- break;
- case 3: /* LCDTiming3 */
- s->timing[3] = val;
- break;
- case 4: /* LCDUPBASE */
- s->upbase = val;
- break;
- case 5: /* LCDLPBASE */
- s->lpbase = val;
- break;
- case 6: /* LCDIMSC */
- if (s->version != PL110) {
- goto control;
- }
- imsc:
- s->int_mask = val;
- pl110_update(s);
- break;
- case 7: /* LCDControl */
- if (s->version != PL110) {
- goto imsc;
- }
- control:
- s->cr = val;
- s->bpp = (val >> 1) & 7;
- if (pl110_enabled(s)) {
- qemu_console_resize(s->con, s->cols, s->rows);
- }
- break;
- case 10: /* LCDICR */
- s->int_status &= ~val;
- pl110_update(s);
- break;
- default:
- qemu_log_mask(LOG_GUEST_ERROR,
- "pl110_write: Bad offset %x\n", (int)offset);
- }
-}
-
-static const MemoryRegionOps pl110_ops = {
- .read = pl110_read,
- .write = pl110_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void pl110_mux_ctrl_set(void *opaque, int line, int level)
-{
- pl110_state *s = (pl110_state *)opaque;
- s->mux_ctrl = level;
-}
-
-static int vmstate_pl110_post_load(void *opaque, int version_id)
-{
- pl110_state *s = opaque;
- /* Make sure we redraw, and at the right size */
- pl110_invalidate_display(s);
- return 0;
-}
-
-static int pl110_init(SysBusDevice *dev)
-{
- pl110_state *s = FROM_SYSBUS(pl110_state, dev);
-
- memory_region_init_io(&s->iomem, &pl110_ops, s, "pl110", 0x1000);
- sysbus_init_mmio(dev, &s->iomem);
- sysbus_init_irq(dev, &s->irq);
- qdev_init_gpio_in(&s->busdev.qdev, pl110_mux_ctrl_set, 1);
- s->con = graphic_console_init(pl110_update_display,
- pl110_invalidate_display,
- NULL, NULL, s);
- return 0;
-}
-
-static int pl110_versatile_init(SysBusDevice *dev)
-{
- pl110_state *s = FROM_SYSBUS(pl110_state, dev);
- s->version = PL110_VERSATILE;
- return pl110_init(dev);
-}
-
-static int pl111_init(SysBusDevice *dev)
-{
- pl110_state *s = FROM_SYSBUS(pl110_state, dev);
- s->version = PL111;
- return pl110_init(dev);
-}
-
-static void pl110_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = pl110_init;
- dc->no_user = 1;
- dc->vmsd = &vmstate_pl110;
-}
-
-static const TypeInfo pl110_info = {
- .name = "pl110",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(pl110_state),
- .class_init = pl110_class_init,
-};
-
-static void pl110_versatile_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = pl110_versatile_init;
- dc->no_user = 1;
- dc->vmsd = &vmstate_pl110;
-}
-
-static const TypeInfo pl110_versatile_info = {
- .name = "pl110_versatile",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(pl110_state),
- .class_init = pl110_versatile_class_init,
-};
-
-static void pl111_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = pl111_init;
- dc->no_user = 1;
- dc->vmsd = &vmstate_pl110;
-}
-
-static const TypeInfo pl111_info = {
- .name = "pl111",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(pl110_state),
- .class_init = pl111_class_init,
-};
-
-static void pl110_register_types(void)
-{
- type_register_static(&pl110_info);
- type_register_static(&pl110_versatile_info);
- type_register_static(&pl111_info);
-}
-
-type_init(pl110_register_types)
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-15 21:19:40 +0000