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path: root/drivers/gpu/drm/radeon/atom.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atom.c')
-rw-r--r--drivers/gpu/drm/radeon/atom.c147
1 files changed, 124 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index d67c42555ab9..e3b44562d265 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -58,6 +58,7 @@ typedef struct {
} atom_exec_context;
int atom_debug = 0;
+static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params);
void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params);
static uint32_t atom_arg_mask[8] =
@@ -245,6 +246,9 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
case ATOM_WS_ATTRIBUTES:
val = gctx->io_attr;
break;
+ case ATOM_WS_REGPTR:
+ val = gctx->reg_block;
+ break;
default:
val = ctx->ws[idx];
}
@@ -263,10 +267,10 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
case ATOM_ARG_FB:
idx = U8(*ptr);
(*ptr)++;
+ val = gctx->scratch[((gctx->fb_base + idx) / 4)];
if (print)
DEBUG("FB[0x%02X]", idx);
- printk(KERN_INFO "FB access is not implemented.\n");
- return 0;
+ break;
case ATOM_ARG_IMM:
switch (align) {
case ATOM_SRC_DWORD:
@@ -384,6 +388,32 @@ static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr)
return atom_get_src_int(ctx, attr, ptr, NULL, 1);
}
+static uint32_t atom_get_src_direct(atom_exec_context *ctx, uint8_t align, int *ptr)
+{
+ uint32_t val = 0xCDCDCDCD;
+
+ switch (align) {
+ case ATOM_SRC_DWORD:
+ val = U32(*ptr);
+ (*ptr) += 4;
+ break;
+ case ATOM_SRC_WORD0:
+ case ATOM_SRC_WORD8:
+ case ATOM_SRC_WORD16:
+ val = U16(*ptr);
+ (*ptr) += 2;
+ break;
+ case ATOM_SRC_BYTE0:
+ case ATOM_SRC_BYTE8:
+ case ATOM_SRC_BYTE16:
+ case ATOM_SRC_BYTE24:
+ val = U8(*ptr);
+ (*ptr)++;
+ break;
+ }
+ return val;
+}
+
static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr,
int *ptr, uint32_t *saved, int print)
{
@@ -481,6 +511,9 @@ static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
case ATOM_WS_ATTRIBUTES:
gctx->io_attr = val;
break;
+ case ATOM_WS_REGPTR:
+ gctx->reg_block = val;
+ break;
default:
ctx->ws[idx] = val;
}
@@ -488,9 +521,9 @@ static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
case ATOM_ARG_FB:
idx = U8(*ptr);
(*ptr)++;
+ gctx->scratch[((gctx->fb_base + idx) / 4)] = val;
DEBUG("FB[0x%02X]", idx);
- printk(KERN_INFO "FB access is not implemented.\n");
- return;
+ break;
case ATOM_ARG_PLL:
idx = U8(*ptr);
(*ptr)++;
@@ -573,7 +606,7 @@ static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg)
else
SDEBUG(" table: %d\n", idx);
if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
- atom_execute_table(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
+ atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
}
static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg)
@@ -676,7 +709,7 @@ static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
SDEBUG(" dst: ");
dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
SDEBUG(" src1: ");
- src1 = atom_get_src(ctx, attr, ptr);
+ src1 = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr);
SDEBUG(" src2: ");
src2 = atom_get_src(ctx, attr, ptr);
dst &= src1;
@@ -808,6 +841,38 @@ static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg)
SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
}
+static void atom_op_shift_left(atom_exec_context *ctx, int *ptr, int arg)
+{
+ uint8_t attr = U8((*ptr)++), shift;
+ uint32_t saved, dst;
+ int dptr = *ptr;
+ attr &= 0x38;
+ attr |= atom_def_dst[attr >> 3] << 6;
+ SDEBUG(" dst: ");
+ dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
+ shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
+ SDEBUG(" shift: %d\n", shift);
+ dst <<= shift;
+ SDEBUG(" dst: ");
+ atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
+}
+
+static void atom_op_shift_right(atom_exec_context *ctx, int *ptr, int arg)
+{
+ uint8_t attr = U8((*ptr)++), shift;
+ uint32_t saved, dst;
+ int dptr = *ptr;
+ attr &= 0x38;
+ attr |= atom_def_dst[attr >> 3] << 6;
+ SDEBUG(" dst: ");
+ dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
+ shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
+ SDEBUG(" shift: %d\n", shift);
+ dst >>= shift;
+ SDEBUG(" dst: ");
+ atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
+}
+
static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
{
uint8_t attr = U8((*ptr)++), shift;
@@ -817,7 +882,7 @@ static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
attr |= atom_def_dst[attr >> 3] << 6;
SDEBUG(" dst: ");
dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- shift = U8((*ptr)++);
+ shift = atom_get_src(ctx, attr, ptr);
SDEBUG(" shift: %d\n", shift);
dst <<= shift;
SDEBUG(" dst: ");
@@ -833,7 +898,7 @@ static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
attr |= atom_def_dst[attr >> 3] << 6;
SDEBUG(" dst: ");
dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- shift = U8((*ptr)++);
+ shift = atom_get_src(ctx, attr, ptr);
SDEBUG(" shift: %d\n", shift);
dst >>= shift;
SDEBUG(" dst: ");
@@ -936,18 +1001,18 @@ static struct {
atom_op_or, ATOM_ARG_FB}, {
atom_op_or, ATOM_ARG_PLL}, {
atom_op_or, ATOM_ARG_MC}, {
- atom_op_shl, ATOM_ARG_REG}, {
- atom_op_shl, ATOM_ARG_PS}, {
- atom_op_shl, ATOM_ARG_WS}, {
- atom_op_shl, ATOM_ARG_FB}, {
- atom_op_shl, ATOM_ARG_PLL}, {
- atom_op_shl, ATOM_ARG_MC}, {
- atom_op_shr, ATOM_ARG_REG}, {
- atom_op_shr, ATOM_ARG_PS}, {
- atom_op_shr, ATOM_ARG_WS}, {
- atom_op_shr, ATOM_ARG_FB}, {
- atom_op_shr, ATOM_ARG_PLL}, {
- atom_op_shr, ATOM_ARG_MC}, {
+ atom_op_shift_left, ATOM_ARG_REG}, {
+ atom_op_shift_left, ATOM_ARG_PS}, {
+ atom_op_shift_left, ATOM_ARG_WS}, {
+ atom_op_shift_left, ATOM_ARG_FB}, {
+ atom_op_shift_left, ATOM_ARG_PLL}, {
+ atom_op_shift_left, ATOM_ARG_MC}, {
+ atom_op_shift_right, ATOM_ARG_REG}, {
+ atom_op_shift_right, ATOM_ARG_PS}, {
+ atom_op_shift_right, ATOM_ARG_WS}, {
+ atom_op_shift_right, ATOM_ARG_FB}, {
+ atom_op_shift_right, ATOM_ARG_PLL}, {
+ atom_op_shift_right, ATOM_ARG_MC}, {
atom_op_mul, ATOM_ARG_REG}, {
atom_op_mul, ATOM_ARG_PS}, {
atom_op_mul, ATOM_ARG_WS}, {
@@ -1040,7 +1105,7 @@ static struct {
atom_op_shr, ATOM_ARG_MC}, {
atom_op_debug, 0},};
-void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
+static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params)
{
int base = CU16(ctx->cmd_table + 4 + 2 * index);
int len, ws, ps, ptr;
@@ -1057,8 +1122,6 @@ void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
- /* reset reg block */
- ctx->reg_block = 0;
ectx.ctx = ctx;
ectx.ps_shift = ps / 4;
ectx.start = base;
@@ -1092,6 +1155,19 @@ void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
kfree(ectx.ws);
}
+void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
+{
+ mutex_lock(&ctx->mutex);
+ /* reset reg block */
+ ctx->reg_block = 0;
+ /* reset fb window */
+ ctx->fb_base = 0;
+ /* reset io mode */
+ ctx->io_mode = ATOM_IO_MM;
+ atom_execute_table_locked(ctx, index, params);
+ mutex_unlock(&ctx->mutex);
+}
+
static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
static void atom_index_iio(struct atom_context *ctx, int base)
@@ -1214,3 +1290,28 @@ void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
*crev = CU8(idx + 3);
return;
}
+
+int atom_allocate_fb_scratch(struct atom_context *ctx)
+{
+ int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
+ uint16_t data_offset;
+ int usage_bytes;
+ struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
+
+ atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset);
+
+ firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
+
+ DRM_DEBUG("atom firmware requested %08x %dkb\n",
+ firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
+ firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
+
+ usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+ if (usage_bytes == 0)
+ usage_bytes = 20 * 1024;
+ /* allocate some scratch memory */
+ ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
+ if (!ctx->scratch)
+ return -ENOMEM;
+ return 0;
+}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-13 12:54:19 +0200