diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c new file mode 100644 index 000000000..54d1d65d5 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c @@ -0,0 +1,152 @@ +/* + * Copyright 2014 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include "priv.h" + +#include <subdev/fb.h> +#include <subdev/timer.h> + +void +gm107_ltc_cbc_clear(struct nvkm_ltc *ltc, u32 start, u32 limit) +{ + struct nvkm_device *device = ltc->subdev.device; + nvkm_wr32(device, 0x17e270, start); + nvkm_wr32(device, 0x17e274, limit); + nvkm_mask(device, 0x17e26c, 0x00000000, 0x00000004); +} + +void +gm107_ltc_cbc_wait(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + int c, s; + for (c = 0; c < ltc->ltc_nr; c++) { + for (s = 0; s < ltc->lts_nr; s++) { + const u32 addr = 0x14046c + (c * 0x2000) + (s * 0x200); + nvkm_wait_msec(device, 2000, addr, + 0x00000004, 0x00000000); + } + } +} + +void +gm107_ltc_zbc_clear_color(struct nvkm_ltc *ltc, int i, const u32 color[4]) +{ + struct nvkm_device *device = ltc->subdev.device; + nvkm_mask(device, 0x17e338, 0x0000000f, i); + nvkm_wr32(device, 0x17e33c, color[0]); + nvkm_wr32(device, 0x17e340, color[1]); + nvkm_wr32(device, 0x17e344, color[2]); + nvkm_wr32(device, 0x17e348, color[3]); +} + +void +gm107_ltc_zbc_clear_depth(struct nvkm_ltc *ltc, int i, const u32 depth) +{ + struct nvkm_device *device = ltc->subdev.device; + nvkm_mask(device, 0x17e338, 0x0000000f, i); + nvkm_wr32(device, 0x17e34c, depth); +} + +void +gm107_ltc_intr_lts(struct nvkm_ltc *ltc, int c, int s) +{ + struct nvkm_subdev *subdev = <c->subdev; + struct nvkm_device *device = subdev->device; + u32 base = 0x140400 + (c * 0x2000) + (s * 0x200); + u32 intr = nvkm_rd32(device, base + 0x00c); + u16 stat = intr & 0x0000ffff; + char msg[128]; + + if (stat) { + nvkm_snprintbf(msg, sizeof(msg), gf100_ltc_lts_intr_name, stat); + nvkm_error(subdev, "LTC%d_LTS%d: %08x [%s]\n", c, s, intr, msg); + } + + nvkm_wr32(device, base + 0x00c, intr); +} + +void +gm107_ltc_intr(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + u32 mask; + + mask = nvkm_rd32(device, 0x00017c); + while (mask) { + u32 s, c = __ffs(mask); + for (s = 0; s < ltc->lts_nr; s++) + gm107_ltc_intr_lts(ltc, c, s); + mask &= ~(1 << c); + } +} + +static int +gm107_ltc_oneinit(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + const u32 parts = nvkm_rd32(device, 0x022438); + const u32 mask = nvkm_rd32(device, 0x021c14); + const u32 slice = nvkm_rd32(device, 0x17e280) >> 28; + int i; + + for (i = 0; i < parts; i++) { + if (!(mask & (1 << i))) + ltc->ltc_nr++; + } + ltc->lts_nr = slice; + + return gf100_ltc_oneinit_tag_ram(ltc); +} + +static void +gm107_ltc_init(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + u32 lpg128 = !(nvkm_rd32(device, 0x100c80) & 0x00000001); + + nvkm_wr32(device, 0x17e27c, ltc->ltc_nr); + nvkm_wr32(device, 0x17e278, ltc->tag_base); + nvkm_mask(device, 0x17e264, 0x00000002, lpg128 ? 0x00000002 : 0x00000000); +} + +static const struct nvkm_ltc_func +gm107_ltc = { + .oneinit = gm107_ltc_oneinit, + .init = gm107_ltc_init, + .intr = gm107_ltc_intr, + .cbc_clear = gm107_ltc_cbc_clear, + .cbc_wait = gm107_ltc_cbc_wait, + .zbc = 16, + .zbc_clear_color = gm107_ltc_zbc_clear_color, + .zbc_clear_depth = gm107_ltc_zbc_clear_depth, + .invalidate = gf100_ltc_invalidate, + .flush = gf100_ltc_flush, +}; + +int +gm107_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_ltc **pltc) +{ + return nvkm_ltc_new_(&gm107_ltc, device, type, inst, pltc); +} |