diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gm20b/fifo_gm20b.c')
-rw-r--r-- | drivers/gpu/nvgpu/gm20b/fifo_gm20b.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gm20b/fifo_gm20b.c b/drivers/gpu/nvgpu/gm20b/fifo_gm20b.c new file mode 100644 index 00000000..83dc0f79 --- /dev/null +++ b/drivers/gpu/nvgpu/gm20b/fifo_gm20b.c | |||
@@ -0,0 +1,47 @@ | |||
1 | /* | ||
2 | * GM20B Fifo | ||
3 | * | ||
4 | * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms and conditions of the GNU General Public License, | ||
8 | * version 2, as published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
13 | * more details. | ||
14 | */ | ||
15 | |||
16 | #include "gk20a/gk20a.h" | ||
17 | #include "fifo_gm20b.h" | ||
18 | #include "hw_ccsr_gm20b.h" | ||
19 | #include "hw_ram_gm20b.h" | ||
20 | |||
21 | static void channel_gm20b_bind(struct channel_gk20a *ch_gk20a) | ||
22 | { | ||
23 | struct gk20a *g = ch_gk20a->g; | ||
24 | |||
25 | u32 inst_ptr = ch_gk20a->inst_block.cpu_pa | ||
26 | >> ram_in_base_shift_v(); | ||
27 | |||
28 | gk20a_dbg_info("bind channel %d inst ptr 0x%08x", | ||
29 | ch_gk20a->hw_chid, inst_ptr); | ||
30 | |||
31 | ch_gk20a->bound = true; | ||
32 | |||
33 | gk20a_writel(g, ccsr_channel_inst_r(ch_gk20a->hw_chid), | ||
34 | ccsr_channel_inst_ptr_f(inst_ptr) | | ||
35 | ccsr_channel_inst_target_vid_mem_f() | | ||
36 | ccsr_channel_inst_bind_true_f()); | ||
37 | |||
38 | gk20a_writel(g, ccsr_channel_r(ch_gk20a->hw_chid), | ||
39 | (gk20a_readl(g, ccsr_channel_r(ch_gk20a->hw_chid)) & | ||
40 | ~ccsr_channel_enable_set_f(~0)) | | ||
41 | ccsr_channel_enable_set_true_f()); | ||
42 | } | ||
43 | |||
44 | void gm20b_init_fifo(struct gpu_ops *gops) | ||
45 | { | ||
46 | gops->fifo.bind_channel = channel_gm20b_bind; | ||
47 | } | ||