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path: root/drivers/gpu/drm/nouveau/core/subdev/pwr/memx.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/pwr/memx.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/pwr/memx.c201
1 files changed, 0 insertions, 201 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/pwr/memx.c b/drivers/gpu/drm/nouveau/core/subdev/pwr/memx.c
deleted file mode 100644
index 7a9299d7159f..000000000000
--- a/drivers/gpu/drm/nouveau/core/subdev/pwr/memx.c
+++ /dev/null
@@ -1,201 +0,0 @@
-#ifndef __NVKM_PWR_MEMX_H__
-#define __NVKM_PWR_MEMX_H__
-
-#include "priv.h"
-
-struct nouveau_memx {
- struct nouveau_pwr *ppwr;
- u32 base;
- u32 size;
- struct {
- u32 mthd;
- u32 size;
- u32 data[64];
- } c;
-};
-
-static void
-memx_out(struct nouveau_memx *memx)
-{
- struct nouveau_pwr *ppwr = memx->ppwr;
- int i;
-
- if (memx->c.mthd) {
- nv_wr32(ppwr, 0x10a1c4, (memx->c.size << 16) | memx->c.mthd);
- for (i = 0; i < memx->c.size; i++)
- nv_wr32(ppwr, 0x10a1c4, memx->c.data[i]);
- memx->c.mthd = 0;
- memx->c.size = 0;
- }
-}
-
-static void
-memx_cmd(struct nouveau_memx *memx, u32 mthd, u32 size, u32 data[])
-{
- if ((memx->c.size + size >= ARRAY_SIZE(memx->c.data)) ||
- (memx->c.mthd && memx->c.mthd != mthd))
- memx_out(memx);
- memcpy(&memx->c.data[memx->c.size], data, size * sizeof(data[0]));
- memx->c.size += size;
- memx->c.mthd = mthd;
-}
-
-int
-nouveau_memx_init(struct nouveau_pwr *ppwr, struct nouveau_memx **pmemx)
-{
- struct nouveau_memx *memx;
- u32 reply[2];
- int ret;
-
- ret = ppwr->message(ppwr, reply, PROC_MEMX, MEMX_MSG_INFO,
- MEMX_INFO_DATA, 0);
- if (ret)
- return ret;
-
- memx = *pmemx = kzalloc(sizeof(*memx), GFP_KERNEL);
- if (!memx)
- return -ENOMEM;
- memx->ppwr = ppwr;
- memx->base = reply[0];
- memx->size = reply[1];
-
- /* acquire data segment access */
- do {
- nv_wr32(ppwr, 0x10a580, 0x00000003);
- } while (nv_rd32(ppwr, 0x10a580) != 0x00000003);
- nv_wr32(ppwr, 0x10a1c0, 0x01000000 | memx->base);
-
- return 0;
-}
-
-int
-nouveau_memx_fini(struct nouveau_memx **pmemx, bool exec)
-{
- struct nouveau_memx *memx = *pmemx;
- struct nouveau_pwr *ppwr = memx->ppwr;
- u32 finish, reply[2];
-
- /* flush the cache... */
- memx_out(memx);
-
- /* release data segment access */
- finish = nv_rd32(ppwr, 0x10a1c0) & 0x00ffffff;
- nv_wr32(ppwr, 0x10a580, 0x00000000);
-
- /* call MEMX process to execute the script, and wait for reply */
- if (exec) {
- ppwr->message(ppwr, reply, PROC_MEMX, MEMX_MSG_EXEC,
- memx->base, finish);
- }
-
- nv_debug(memx->ppwr, "Exec took %uns, PPWR_IN %08x\n",
- reply[0], reply[1]);
- kfree(memx);
- return 0;
-}
-
-void
-nouveau_memx_wr32(struct nouveau_memx *memx, u32 addr, u32 data)
-{
- nv_debug(memx->ppwr, "R[%06x] = 0x%08x\n", addr, data);
- memx_cmd(memx, MEMX_WR32, 2, (u32[]){ addr, data });
-}
-
-void
-nouveau_memx_wait(struct nouveau_memx *memx,
- u32 addr, u32 mask, u32 data, u32 nsec)
-{
- nv_debug(memx->ppwr, "R[%06x] & 0x%08x == 0x%08x, %d us\n",
- addr, mask, data, nsec);
- memx_cmd(memx, MEMX_WAIT, 4, (u32[]){ addr, mask, data, nsec });
- memx_out(memx); /* fuc can't handle multiple */
-}
-
-void
-nouveau_memx_nsec(struct nouveau_memx *memx, u32 nsec)
-{
- nv_debug(memx->ppwr, " DELAY = %d ns\n", nsec);
- memx_cmd(memx, MEMX_DELAY, 1, (u32[]){ nsec });
- memx_out(memx); /* fuc can't handle multiple */
-}
-
-void
-nouveau_memx_wait_vblank(struct nouveau_memx *memx)
-{
- struct nouveau_pwr *ppwr = memx->ppwr;
- u32 heads, x, y, px = 0;
- int i, head_sync;
-
- if (nv_device(ppwr)->chipset < 0xd0) {
- heads = nv_rd32(ppwr, 0x610050);
- for (i = 0; i < 2; i++) {
- /* Heuristic: sync to head with biggest resolution */
- if (heads & (2 << (i << 3))) {
- x = nv_rd32(ppwr, 0x610b40 + (0x540 * i));
- y = (x & 0xffff0000) >> 16;
- x &= 0x0000ffff;
- if ((x * y) > px) {
- px = (x * y);
- head_sync = i;
- }
- }
- }
- }
-
- if (px == 0) {
- nv_debug(memx->ppwr, "WAIT VBLANK !NO ACTIVE HEAD\n");
- return;
- }
-
- nv_debug(memx->ppwr, "WAIT VBLANK HEAD%d\n", head_sync);
- memx_cmd(memx, MEMX_VBLANK, 1, (u32[]){ head_sync });
- memx_out(memx); /* fuc can't handle multiple */
-}
-
-void
-nouveau_memx_train(struct nouveau_memx *memx)
-{
- nv_debug(memx->ppwr, " MEM TRAIN\n");
- memx_cmd(memx, MEMX_TRAIN, 0, NULL);
-}
-
-int
-nouveau_memx_train_result(struct nouveau_pwr *ppwr, u32 *res, int rsize)
-{
- u32 reply[2], base, size, i;
- int ret;
-
- ret = ppwr->message(ppwr, reply, PROC_MEMX, MEMX_MSG_INFO,
- MEMX_INFO_TRAIN, 0);
- if (ret)
- return ret;
-
- base = reply[0];
- size = reply[1] >> 2;
- if (size > rsize)
- return -ENOMEM;
-
- /* read the packet */
- nv_wr32(ppwr, 0x10a1c0, 0x02000000 | base);
-
- for (i = 0; i < size; i++)
- res[i] = nv_rd32(ppwr, 0x10a1c4);
-
- return 0;
-}
-
-void
-nouveau_memx_block(struct nouveau_memx *memx)
-{
- nv_debug(memx->ppwr, " HOST BLOCKED\n");
- memx_cmd(memx, MEMX_ENTER, 0, NULL);
-}
-
-void
-nouveau_memx_unblock(struct nouveau_memx *memx)
-{
- nv_debug(memx->ppwr, " HOST UNBLOCKED\n");
- memx_cmd(memx, MEMX_LEAVE, 0, NULL);
-}
-
-#endif