/*
 * Copyright 2007 Matthieu CASTET <castet.matthieu@free.fr>
 * All Rights Reserved.
 *
 * 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 (including the next
 * paragr) 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
 * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
 */
#include "nv10.h"
#include "regs.h"

#include <core/client.h>
#include <core/gpuobj.h>
#include <engine/fifo.h>
#include <engine/fifo/chan.h>
#include <subdev/fb.h>

struct pipe_state {
        u32 pipe_0x0000[0x040/4];
        u32 pipe_0x0040[0x010/4];
        u32 pipe_0x0200[0x0c0/4];
        u32 pipe_0x4400[0x080/4];
        u32 pipe_0x6400[0x3b0/4];
        u32 pipe_0x6800[0x2f0/4];
        u32 pipe_0x6c00[0x030/4];
        u32 pipe_0x7000[0x130/4];
        u32 pipe_0x7400[0x0c0/4];
        u32 pipe_0x7800[0x0c0/4];
};

static int nv10_gr_ctx_regs[] = {
        NV10_PGRAPH_CTX_SWITCH(0),
        NV10_PGRAPH_CTX_SWITCH(1),
        NV10_PGRAPH_CTX_SWITCH(2),
        NV10_PGRAPH_CTX_SWITCH(3),
        NV10_PGRAPH_CTX_SWITCH(4),
        NV10_PGRAPH_CTX_CACHE(0, 0),
        NV10_PGRAPH_CTX_CACHE(0, 1),
        NV10_PGRAPH_CTX_CACHE(0, 2),
        NV10_PGRAPH_CTX_CACHE(0, 3),
        NV10_PGRAPH_CTX_CACHE(0, 4),
        NV10_PGRAPH_CTX_CACHE(1, 0),
        NV10_PGRAPH_CTX_CACHE(1, 1),
        NV10_PGRAPH_CTX_CACHE(1, 2),
        NV10_PGRAPH_CTX_CACHE(1, 3),
        NV10_PGRAPH_CTX_CACHE(1, 4),
        NV10_PGRAPH_CTX_CACHE(2, 0),
        NV10_PGRAPH_CTX_CACHE(2, 1),
        NV10_PGRAPH_CTX_CACHE(2, 2),
        NV10_PGRAPH_CTX_CACHE(2, 3),
        NV10_PGRAPH_CTX_CACHE(2, 4),
        NV10_PGRAPH_CTX_CACHE(3, 0),
        NV10_PGRAPH_CTX_CACHE(3, 1),
        NV10_PGRAPH_CTX_CACHE(3, 2),
        NV10_PGRAPH_CTX_CACHE(3, 3),
        NV10_PGRAPH_CTX_CACHE(3, 4),
        NV10_PGRAPH_CTX_CACHE(4, 0),
        NV10_PGRAPH_CTX_CACHE(4, 1),
        NV10_PGRAPH_CTX_CACHE(4, 2),
        NV10_PGRAPH_CTX_CACHE(4, 3),
        NV10_PGRAPH_CTX_CACHE(4, 4),
        NV10_PGRAPH_CTX_CACHE(5, 0),
        NV10_PGRAPH_CTX_CACHE(5, 1),
        NV10_PGRAPH_CTX_CACHE(5, 2),
        NV10_PGRAPH_CTX_CACHE(5, 3),
        NV10_PGRAPH_CTX_CACHE(5, 4),
        NV10_PGRAPH_CTX_CACHE(6, 0),
        NV10_PGRAPH_CTX_CACHE(6, 1),
        NV10_PGRAPH_CTX_CACHE(6, 2),
        NV10_PGRAPH_CTX_CACHE(6, 3),
        NV10_PGRAPH_CTX_CACHE(6, 4),
        NV10_PGRAPH_CTX_CACHE(7, 0),
        NV10_PGRAPH_CTX_CACHE(7, 1),
        NV10_PGRAPH_CTX_CACHE(7, 2),
        NV10_PGRAPH_CTX_CACHE(7, 3),
        NV10_PGRAPH_CTX_CACHE(7, 4),
        NV10_PGRAPH_CTX_USER,
        NV04_PGRAPH_DMA_START_0,
        NV04_PGRAPH_DMA_START_1,
        NV04_PGRAPH_DMA_LENGTH,
        NV04_PGRAPH_DMA_MISC,
        NV10_PGRAPH_DMA_PITCH,
        NV04_PGRAPH_BOFFSET0,
        NV04_PGRAPH_BBASE0,
        NV04_PGRAPH_BLIMIT0,
        NV04_PGRAPH_BOFFSET1,
        NV04_PGRAPH_BBASE1,
        NV04_PGRAPH_BLIMIT1,
        NV04_PGRAPH_BOFFSET2,
        NV04_PGRAPH_BBASE2,
        NV04_PGRAPH_BLIMIT2,
        NV04_PGRAPH_BOFFSET3,
        NV04_PGRAPH_BBASE3,
        NV04_PGRAPH_BLIMIT3,
        NV04_PGRAPH_BOFFSET4,
        NV04_PGRAPH_BBASE4,
        NV04_PGRAPH_BLIMIT4,
        NV04_PGRAPH_BOFFSET5,
        NV04_PGRAPH_BBASE5,
        NV04_PGRAPH_BLIMIT5,
        NV04_PGRAPH_BPITCH0,
        NV04_PGRAPH_BPITCH1,
        NV04_PGRAPH_BPITCH2,
        NV04_PGRAPH_BPITCH3,
        NV04_PGRAPH_BPITCH4,
        NV10_PGRAPH_SURFACE,
        NV10_PGRAPH_STATE,
        NV04_PGRAPH_BSWIZZLE2,
        NV04_PGRAPH_BSWIZZLE5,
        NV04_PGRAPH_BPIXEL,
        NV10_PGRAPH_NOTIFY,
        NV04_PGRAPH_PATT_COLOR0,
        NV04_PGRAPH_PATT_COLOR1,
        NV04_PGRAPH_PATT_COLORRAM, /* 64 values from 0x400900 to 0x4009fc */
        0x00400904,
        0x00400908,
        0x0040090c,
        0x00400910,
        0x00400914,
        0x00400918,
        0x0040091c,
        0x00400920,
        0x00400924,
        0x00400928,
        0x0040092c,
        0x00400930,
        0x00400934,
        0x00400938,
        0x0040093c,
        0x00400940,
        0x00400944,
        0x00400948,
        0x0040094c,
        0x00400950,
        0x00400954,
        0x00400958,
        0x0040095c,
        0x00400960,
        0x00400964,
        0x00400968,
        0x0040096c,
        0x00400970,
        0x00400974,
        0x00400978,
        0x0040097c,
        0x00400980,
        0x00400984,
        0x00400988,
        0x0040098c,
        0x00400990,
        0x00400994,
        0x00400998,
        0x0040099c,
        0x004009a0,
        0x004009a4,
        0x004009a8,
        0x004009ac,
        0x004009b0,
        0x004009b4,
        0x004009b8,
        0x004009bc,
        0x004009c0,
        0x004009c4,
        0x004009c8,
        0x004009cc,
        0x004009d0,
        0x004009d4,
        0x004009d8,
        0x004009dc,
        0x004009e0,
        0x004009e4,
        0x004009e8,
        0x004009ec,
        0x004009f0,
        0x004009f4,
        0x004009f8,
        0x004009fc,
        NV04_PGRAPH_PATTERN,    /* 2 values from 0x400808 to 0x40080c */
        0x0040080c,
        NV04_PGRAPH_PATTERN_SHAPE,
        NV03_PGRAPH_MONO_COLOR0,
        NV04_PGRAPH_ROP3,
        NV04_PGRAPH_CHROMA,
        NV04_PGRAPH_BETA_AND,
        NV04_PGRAPH_BETA_PREMULT,
        0x00400e70,
        0x00400e74,
        0x00400e78,
        0x00400e7c,
        0x00400e80,
        0x00400e84,
        0x00400e88,
        0x00400e8c,
        0x00400ea0,
        0x00400ea4,
        0x00400ea8,
        0x00400e90,
        0x00400e94,
        0x00400e98,
        0x00400e9c,
        NV10_PGRAPH_WINDOWCLIP_HORIZONTAL, /* 8 values from 0x400f00-0x400f1c */
        NV10_PGRAPH_WINDOWCLIP_VERTICAL,   /* 8 values from 0x400f20-0x400f3c */
        0x00400f04,
        0x00400f24,
        0x00400f08,
        0x00400f28,
        0x00400f0c,
        0x00400f2c,
        0x00400f10,
        0x00400f30,
        0x00400f14,
        0x00400f34,
        0x00400f18,
        0x00400f38,
        0x00400f1c,
        0x00400f3c,
        NV10_PGRAPH_XFMODE0,
        NV10_PGRAPH_XFMODE1,
        NV10_PGRAPH_GLOBALSTATE0,
        NV10_PGRAPH_GLOBALSTATE1,
        NV04_PGRAPH_STORED_FMT,
        NV04_PGRAPH_SOURCE_COLOR,
        NV03_PGRAPH_ABS_X_RAM,  /* 32 values from 0x400400 to 0x40047c */
        NV03_PGRAPH_ABS_Y_RAM,  /* 32 values from 0x400480 to 0x4004fc */
        0x00400404,
        0x00400484,
        0x00400408,
        0x00400488,
        0x0040040c,
        0x0040048c,
        0x00400410,
        0x00400490,
        0x00400414,
        0x00400494,
        0x00400418,
        0x00400498,
        0x0040041c,
        0x0040049c,
        0x00400420,
        0x004004a0,
        0x00400424,
        0x004004a4,
        0x00400428,
        0x004004a8,
        0x0040042c,
        0x004004ac,
        0x00400430,
        0x004004b0,
        0x00400434,
        0x004004b4,
        0x00400438,
        0x004004b8,
        0x0040043c,
        0x004004bc,
        0x00400440,
        0x004004c0,
        0x00400444,
        0x004004c4,
        0x00400448,
        0x004004c8,
        0x0040044c,
        0x004004cc,
        0x00400450,
        0x004004d0,
        0x00400454,
        0x004004d4,
        0x00400458,
        0x004004d8,
        0x0040045c,
        0x004004dc,
        0x00400460,
        0x004004e0,
        0x00400464,
        0x004004e4,
        0x00400468,
        0x004004e8,
        0x0040046c,
        0x004004ec,
        0x00400470,
        0x004004f0,
        0x00400474,
        0x004004f4,
        0x00400478,
        0x004004f8,
        0x0040047c,
        0x004004fc,
        NV03_PGRAPH_ABS_UCLIP_XMIN,
        NV03_PGRAPH_ABS_UCLIP_XMAX,
        NV03_PGRAPH_ABS_UCLIP_YMIN,
        NV03_PGRAPH_ABS_UCLIP_YMAX,
        0x00400550,
        0x00400558,
        0x00400554,
        0x0040055c,
        NV03_PGRAPH_ABS_UCLIPA_XMIN,
        NV03_PGRAPH_ABS_UCLIPA_XMAX,
        NV03_PGRAPH_ABS_UCLIPA_YMIN,
        NV03_PGRAPH_ABS_UCLIPA_YMAX,
        NV03_PGRAPH_ABS_ICLIP_XMAX,
        NV03_PGRAPH_ABS_ICLIP_YMAX,
        NV03_PGRAPH_XY_LOGIC_MISC0,
        NV03_PGRAPH_XY_LOGIC_MISC1,
        NV03_PGRAPH_XY_LOGIC_MISC2,
        NV03_PGRAPH_XY_LOGIC_MISC3,
        NV03_PGRAPH_CLIPX_0,
        NV03_PGRAPH_CLIPX_1,
        NV03_PGRAPH_CLIPY_0,
        NV03_PGRAPH_CLIPY_1,
        NV10_PGRAPH_COMBINER0_IN_ALPHA,
        NV10_PGRAPH_COMBINER1_IN_ALPHA,
        NV10_PGRAPH_COMBINER0_IN_RGB,
        NV10_PGRAPH_COMBINER1_IN_RGB,
        NV10_PGRAPH_COMBINER_COLOR0,
        NV10_PGRAPH_COMBINER_COLOR1,
        NV10_PGRAPH_COMBINER0_OUT_ALPHA,
        NV10_PGRAPH_COMBINER1_OUT_ALPHA,
        NV10_PGRAPH_COMBINER0_OUT_RGB,
        NV10_PGRAPH_COMBINER1_OUT_RGB,
        NV10_PGRAPH_COMBINER_FINAL0,
        NV10_PGRAPH_COMBINER_FINAL1,
        0x00400e00,
        0x00400e04,
        0x00400e08,
        0x00400e0c,
        0x00400e10,
        0x00400e14,
        0x00400e18,
        0x00400e1c,
        0x00400e20,
        0x00400e24,
        0x00400e28,
        0x00400e2c,
        0x00400e30,
        0x00400e34,
        0x00400e38,
        0x00400e3c,
        NV04_PGRAPH_PASSTHRU_0,
        NV04_PGRAPH_PASSTHRU_1,
        NV04_PGRAPH_PASSTHRU_2,
        NV10_PGRAPH_DIMX_TEXTURE,
        NV10_PGRAPH_WDIMX_TEXTURE,
        NV10_PGRAPH_DVD_COLORFMT,
        NV10_PGRAPH_SCALED_FORMAT,
        NV04_PGRAPH_MISC24_0,
        NV04_PGRAPH_MISC24_1,
        NV04_PGRAPH_MISC24_2,
        NV03_PGRAPH_X_MISC,
        NV03_PGRAPH_Y_MISC,
        NV04_PGRAPH_VALID1,
        NV04_PGRAPH_VALID2,
};

static int nv17_gr_ctx_regs[] = {
        NV10_PGRAPH_DEBUG_4,
        0x004006b0,
        0x00400eac,
        0x00400eb0,
        0x00400eb4,
        0x00400eb8,
        0x00400ebc,
        0x00400ec0,
        0x00400ec4,
        0x00400ec8,
        0x00400ecc,
        0x00400ed0,
        0x00400ed4,
        0x00400ed8,
        0x00400edc,
        0x00400ee0,
        0x00400a00,
        0x00400a04,
};

#define nv10_gr(p) container_of((p), struct nv10_gr, base)

struct nv10_gr {
        struct nvkm_gr base;
        struct nv10_gr_chan *chan[32];
        spinlock_t lock;
};

#define nv10_gr_chan(p) container_of((p), struct nv10_gr_chan, object)

struct nv10_gr_chan {
        struct nvkm_object object;
        struct nv10_gr *gr;
        int chid;
        int nv10[ARRAY_SIZE(nv10_gr_ctx_regs)];
        int nv17[ARRAY_SIZE(nv17_gr_ctx_regs)];
        struct pipe_state pipe_state;
        u32 lma_window[4];
};


/*******************************************************************************
 * Graphics object classes
 ******************************************************************************/

#define PIPE_SAVE(gr, state, addr)                                      \
        do {                                                            \
                int __i;                                                \
                nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, addr);              \
                for (__i = 0; __i < ARRAY_SIZE(state); __i++)           \
                        state[__i] = nvkm_rd32(device, NV10_PGRAPH_PIPE_DATA); \
        } while (0)

#define PIPE_RESTORE(gr, state, addr)                                   \
        do {                                                            \
                int __i;                                                \
                nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, addr);              \
                for (__i = 0; __i < ARRAY_SIZE(state); __i++)           \
                        nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, state[__i]); \
        } while (0)

static void
nv17_gr_mthd_lma_window(struct nv10_gr_chan *chan, u32 mthd, u32 data)
{
        struct nvkm_device *device = chan->object.engine->subdev.device;
        struct nvkm_gr *gr = &chan->gr->base;
        struct pipe_state *pipe = &chan->pipe_state;
        u32 pipe_0x0040[1], pipe_0x64c0[8], pipe_0x6a80[3], pipe_0x6ab0[3];
        u32 xfmode0, xfmode1;
        int i;

        chan->lma_window[(mthd - 0x1638) / 4] = data;

        if (mthd != 0x1644)
                return;

        nv04_gr_idle(gr);

        PIPE_SAVE(device, pipe_0x0040, 0x0040);
        PIPE_SAVE(device, pipe->pipe_0x0200, 0x0200);

        PIPE_RESTORE(device, chan->lma_window, 0x6790);

        nv04_gr_idle(gr);

        xfmode0 = nvkm_rd32(device, NV10_PGRAPH_XFMODE0);
        xfmode1 = nvkm_rd32(device, NV10_PGRAPH_XFMODE1);

        PIPE_SAVE(device, pipe->pipe_0x4400, 0x4400);
        PIPE_SAVE(device, pipe_0x64c0, 0x64c0);
        PIPE_SAVE(device, pipe_0x6ab0, 0x6ab0);
        PIPE_SAVE(device, pipe_0x6a80, 0x6a80);

        nv04_gr_idle(gr);

        nvkm_wr32(device, NV10_PGRAPH_XFMODE0, 0x10000000);
        nvkm_wr32(device, NV10_PGRAPH_XFMODE1, 0x00000000);
        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x000064c0);
        for (i = 0; i < 4; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
        for (i = 0; i < 4; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);

        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006ab0);
        for (i = 0; i < 3; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);

        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006a80);
        for (i = 0; i < 3; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);

        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00000040);
        nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000008);

        PIPE_RESTORE(device, pipe->pipe_0x0200, 0x0200);

        nv04_gr_idle(gr);

        PIPE_RESTORE(device, pipe_0x0040, 0x0040);

        nvkm_wr32(device, NV10_PGRAPH_XFMODE0, xfmode0);
        nvkm_wr32(device, NV10_PGRAPH_XFMODE1, xfmode1);

        PIPE_RESTORE(device, pipe_0x64c0, 0x64c0);
        PIPE_RESTORE(device, pipe_0x6ab0, 0x6ab0);
        PIPE_RESTORE(device, pipe_0x6a80, 0x6a80);
        PIPE_RESTORE(device, pipe->pipe_0x4400, 0x4400);

        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x000000c0);
        nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);

        nv04_gr_idle(gr);
}

static void
nv17_gr_mthd_lma_enable(struct nv10_gr_chan *chan, u32 mthd, u32 data)
{
        struct nvkm_device *device = chan->object.engine->subdev.device;
        struct nvkm_gr *gr = &chan->gr->base;

        nv04_gr_idle(gr);

        nvkm_mask(device, NV10_PGRAPH_DEBUG_4, 0x00000100, 0x00000100);
        nvkm_mask(device, 0x4006b0, 0x08000000, 0x08000000);
}

static bool
nv17_gr_mthd_celcius(struct nv10_gr_chan *chan, u32 mthd, u32 data)
{
        void (*func)(struct nv10_gr_chan *, u32, u32);
        switch (mthd) {
        case 0x1638 ... 0x1644:
                     func = nv17_gr_mthd_lma_window; break;
        case 0x1658: func = nv17_gr_mthd_lma_enable; break;
        default:
                return false;
        }
        func(chan, mthd, data);
        return true;
}

static bool
nv10_gr_mthd(struct nv10_gr_chan *chan, u8 class, u32 mthd, u32 data)
{
        bool (*func)(struct nv10_gr_chan *, u32, u32);
        switch (class) {
        case 0x99: func = nv17_gr_mthd_celcius; break;
        default:
                return false;
        }
        return func(chan, mthd, data);
}

/*******************************************************************************
 * PGRAPH context
 ******************************************************************************/

static struct nv10_gr_chan *
nv10_gr_channel(struct nv10_gr *gr)
{
        struct nvkm_device *device = gr->base.engine.subdev.device;
        struct nv10_gr_chan *chan = NULL;
        if (nvkm_rd32(device, 0x400144) & 0x00010000) {
                int chid = nvkm_rd32(device, 0x400148) >> 24;
                if (chid < ARRAY_SIZE(gr->chan))
                        chan = gr->chan[chid];
        }
        return chan;
}

static void
nv10_gr_save_pipe(struct nv10_gr_chan *chan)
{
        struct nv10_gr *gr = chan->gr;
        struct pipe_state *pipe = &chan->pipe_state;
        struct nvkm_device *device = gr->base.engine.subdev.device;

        PIPE_SAVE(gr, pipe->pipe_0x4400, 0x4400);
        PIPE_SAVE(gr, pipe->pipe_0x0200, 0x0200);
        PIPE_SAVE(gr, pipe->pipe_0x6400, 0x6400);
        PIPE_SAVE(gr, pipe->pipe_0x6800, 0x6800);
        PIPE_SAVE(gr, pipe->pipe_0x6c00, 0x6c00);
        PIPE_SAVE(gr, pipe->pipe_0x7000, 0x7000);
        PIPE_SAVE(gr, pipe->pipe_0x7400, 0x7400);
        PIPE_SAVE(gr, pipe->pipe_0x7800, 0x7800);
        PIPE_SAVE(gr, pipe->pipe_0x0040, 0x0040);
        PIPE_SAVE(gr, pipe->pipe_0x0000, 0x0000);
}

static void
nv10_gr_load_pipe(struct nv10_gr_chan *chan)
{
        struct nv10_gr *gr = chan->gr;
        struct pipe_state *pipe = &chan->pipe_state;
        struct nvkm_device *device = gr->base.engine.subdev.device;
        u32 xfmode0, xfmode1;
        int i;

        nv04_gr_idle(&gr->base);
        /* XXX check haiku comments */
        xfmode0 = nvkm_rd32(device, NV10_PGRAPH_XFMODE0);
        xfmode1 = nvkm_rd32(device, NV10_PGRAPH_XFMODE1);
        nvkm_wr32(device, NV10_PGRAPH_XFMODE0, 0x10000000);
        nvkm_wr32(device, NV10_PGRAPH_XFMODE1, 0x00000000);
        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x000064c0);
        for (i = 0; i < 4; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
        for (i = 0; i < 4; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);

        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006ab0);
        for (i = 0; i < 3; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x3f800000);

        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00006a80);
        for (i = 0; i < 3; i++)
                nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000000);

        nvkm_wr32(device, NV10_PGRAPH_PIPE_ADDRESS, 0x00000040);
        nvkm_wr32(device, NV10_PGRAPH_PIPE_DATA, 0x00000008);


        PIPE_RESTORE(gr, pipe->pipe_0x0200, 0x0200);
        nv04_gr_idle(&gr->base);

        /* restore XFMODE */
        nvkm_wr32(device, NV10_PGRAPH_XFMODE0, xfmode0);
        nvkm_wr32(device, NV10_PGRAPH_XFMODE1, xfmode1);
        PIPE_RESTORE(gr, pipe->pipe_0x6400, 0x6400);
        PIPE_RESTORE(gr, pipe->pipe_0x6800, 0x6800);
        PIPE_RESTORE(gr, pipe->pipe_0x6c00, 0x6c00);
        PIPE_RESTORE(gr, pipe->pipe_0x7000, 0x7000);
        PIPE_RESTORE(gr, pipe->pipe_0x7400, 0x7400);
        PIPE_RESTORE(gr, pipe->pipe_0x7800, 0x7800);
        PIPE_RESTORE(gr, pipe->pipe_0x4400, 0x4400);
        PIPE_RESTORE(gr, pipe->pipe_0x0000, 0x0000);
        PIPE_RESTORE(gr, pipe->pipe_0x0040, 0x0040);
        nv04_gr_idle(&gr->base);
}

static void
nv10_gr_create_pipe(struct nv10_gr_chan *chan)
{
        struct nv10_gr *gr = chan->gr;
        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
        struct pipe_state *pipe_state = &chan->pipe_state;
        u32 *pipe_state_addr;
        int i;
#define PIPE_INIT(addr) \
        do { \
                pipe_state_addr = pipe_state->pipe_##addr; \
        } while (0)
#define PIPE_INIT_END(addr) \
        do { \
                u32 *__end_addr = pipe_state->pipe_##addr + \
                                ARRAY_SIZE(pipe_state->pipe_##addr); \
                if (pipe_state_addr != __end_addr) \
                        nvkm_error(subdev, "incomplete pipe init for 0x%x :  %p/%p\n", \
                                addr, pipe_state_addr, __end_addr); \
        } while (0)
#define NV_WRITE_PIPE_INIT(value) *(pipe_state_addr++) = value

        PIPE_INIT(0x0200);
        for (i = 0; i < 48; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x0200);

        PIPE_INIT(0x6400);
        for (i = 0; i < 211; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        NV_WRITE_PIPE_INIT(0x40000000);
        NV_WRITE_PIPE_INIT(0x40000000);
        NV_WRITE_PIPE_INIT(0x40000000);
        NV_WRITE_PIPE_INIT(0x40000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x3f000000);
        NV_WRITE_PIPE_INIT(0x3f000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        PIPE_INIT_END(0x6400);

        PIPE_INIT(0x6800);
        for (i = 0; i < 162; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x3f800000);
        for (i = 0; i < 25; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x6800);

        PIPE_INIT(0x6c00);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0xbf800000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x6c00);

        PIPE_INIT(0x7000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x00000000);
        NV_WRITE_PIPE_INIT(0x7149f2ca);
        for (i = 0; i < 35; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x7000);

        PIPE_INIT(0x7400);
        for (i = 0; i < 48; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x7400);

        PIPE_INIT(0x7800);
        for (i = 0; i < 48; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x7800);

        PIPE_INIT(0x4400);
        for (i = 0; i < 32; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x4400);

        PIPE_INIT(0x0000);
        for (i = 0; i < 16; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x0000);

        PIPE_INIT(0x0040);
        for (i = 0; i < 4; i++)
                NV_WRITE_PIPE_INIT(0x00000000);
        PIPE_INIT_END(0x0040);

#undef PIPE_INIT
#undef PIPE_INIT_END
#undef NV_WRITE_PIPE_INIT
}

static int
nv10_gr_ctx_regs_find_offset(struct nv10_gr *gr, int reg)
{
        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
        int i;
        for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++) {
                if (nv10_gr_ctx_regs[i] == reg)
                        return i;
        }
        nvkm_error(subdev, "unknown offset nv10_ctx_regs %d\n", reg);
        return -1;
}

static int
nv17_gr_ctx_regs_find_offset(struct nv10_gr *gr, int reg)
{
        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
        int i;
        for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++) {
                if (nv17_gr_ctx_regs[i] == reg)
                        return i;
        }
        nvkm_error(subdev, "unknown offset nv17_ctx_regs %d\n", reg);
        return -1;
}

static void
nv10_gr_load_dma_vtxbuf(struct nv10_gr_chan *chan, int chid, u32 inst)
{
        struct nv10_gr *gr = chan->gr;
        struct nvkm_device *device = gr->base.engine.subdev.device;
        u32 st2, st2_dl, st2_dh, fifo_ptr, fifo[0x60/4];
        u32 ctx_user, ctx_switch[5];
        int i, subchan = -1;

        /* NV10TCL_DMA_VTXBUF (method 0x18c) modifies hidden state
         * that cannot be restored via MMIO. Do it through the FIFO
         * instead.
         */

        /* Look for a celsius object */
        for (i = 0; i < 8; i++) {
                int class = nvkm_rd32(device, NV10_PGRAPH_CTX_CACHE(i, 0)) & 0xfff;

                if (class == 0x56 || class == 0x96 || class == 0x99) {
                        subchan = i;
                        break;
                }
        }

        if (subchan < 0 || !inst)
                return;

        /* Save the current ctx object */
        ctx_user = nvkm_rd32(device, NV10_PGRAPH_CTX_USER);
        for (i = 0; i < 5; i++)
                ctx_switch[i] = nvkm_rd32(device, NV10_PGRAPH_CTX_SWITCH(i));

        /* Save the FIFO state */
        st2 = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_ST2);
        st2_dl = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_ST2_DL);
        st2_dh = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_ST2_DH);
        fifo_ptr = nvkm_rd32(device, NV10_PGRAPH_FFINTFC_FIFO_PTR);

        for (i = 0; i < ARRAY_SIZE(fifo); i++)
                fifo[i] = nvkm_rd32(device, 0x4007a0 + 4 * i);

        /* Switch to the celsius subchannel */
        for (i = 0; i < 5; i++)
                nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(i),
                        nvkm_rd32(device, NV10_PGRAPH_CTX_CACHE(subchan, i)));
        nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xe000, subchan << 13);

        /* Inject NV10TCL_DMA_VTXBUF */
        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_FIFO_PTR, 0);
        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2,
                0x2c000000 | chid << 20 | subchan << 16 | 0x18c);
        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2_DL, inst);
        nvkm_mask(device, NV10_PGRAPH_CTX_CONTROL, 0, 0x10000);
        nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
        nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);

        /* Restore the FIFO state */
        for (i = 0; i < ARRAY_SIZE(fifo); i++)
                nvkm_wr32(device, 0x4007a0 + 4 * i, fifo[i]);

        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_FIFO_PTR, fifo_ptr);
        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2, st2);
        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2_DL, st2_dl);
        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2_DH, st2_dh);

        /* Restore the current ctx object */
        for (i = 0; i < 5; i++)
                nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(i), ctx_switch[i]);
        nvkm_wr32(device, NV10_PGRAPH_CTX_USER, ctx_user);
}

static int
nv10_gr_load_context(struct nv10_gr_chan *chan, int chid)
{
        struct nv10_gr *gr = chan->gr;
        struct nvkm_device *device = gr->base.engine.subdev.device;
        u32 inst;
        int i;

        for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++)
                nvkm_wr32(device, nv10_gr_ctx_regs[i], chan->nv10[i]);

        if (device->card_type >= NV_11 && device->chipset >= 0x17) {
                for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++)
                        nvkm_wr32(device, nv17_gr_ctx_regs[i], chan->nv17[i]);
        }

        nv10_gr_load_pipe(chan);

        inst = nvkm_rd32(device, NV10_PGRAPH_GLOBALSTATE1) & 0xffff;
        nv10_gr_load_dma_vtxbuf(chan, chid, inst);

        nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
        nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xff000000, chid << 24);
        nvkm_mask(device, NV10_PGRAPH_FFINTFC_ST2, 0x30000000, 0x00000000);
        return 0;
}

static int
nv10_gr_unload_context(struct nv10_gr_chan *chan)
{
        struct nv10_gr *gr = chan->gr;
        struct nvkm_device *device = gr->base.engine.subdev.device;
        int i;

        for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++)
                chan->nv10[i] = nvkm_rd32(device, nv10_gr_ctx_regs[i]);

        if (device->card_type >= NV_11 && device->chipset >= 0x17) {
                for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++)
                        chan->nv17[i] = nvkm_rd32(device, nv17_gr_ctx_regs[i]);
        }

        nv10_gr_save_pipe(chan);

        nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10000000);
        nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xff000000, 0x1f000000);
        return 0;
}

static void
nv10_gr_context_switch(struct nv10_gr *gr)
{
        struct nvkm_device *device = gr->base.engine.subdev.device;
        struct nv10_gr_chan *prev = NULL;
        struct nv10_gr_chan *next = NULL;
        int chid;

        nv04_gr_idle(&gr->base);

        /* If previous context is valid, we need to save it */
        prev = nv10_gr_channel(gr);
        if (prev)
                nv10_gr_unload_context(prev);

        /* load context for next channel */
        chid = (nvkm_rd32(device, NV04_PGRAPH_TRAPPED_ADDR) >> 20) & 0x1f;
        next = gr->chan[chid];
        if (next)
                nv10_gr_load_context(next, chid);
}

static int
nv10_gr_chan_fini(struct nvkm_object *object, enum nvkm_suspend_state suspend)
{
        struct nv10_gr_chan *chan = nv10_gr_chan(object);
        struct nv10_gr *gr = chan->gr;
        struct nvkm_device *device = gr->base.engine.subdev.device;
        unsigned long flags;

        spin_lock_irqsave(&gr->lock, flags);
        nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
        if (nv10_gr_channel(gr) == chan)
                nv10_gr_unload_context(chan);
        nvkm_mask(device, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
        spin_unlock_irqrestore(&gr->lock, flags);
        return 0;
}

static void *
nv10_gr_chan_dtor(struct nvkm_object *object)
{
        struct nv10_gr_chan *chan = nv10_gr_chan(object);
        struct nv10_gr *gr = chan->gr;
        unsigned long flags;

        spin_lock_irqsave(&gr->lock, flags);
        gr->chan[chan->chid] = NULL;
        spin_unlock_irqrestore(&gr->lock, flags);
        return chan;
}

static const struct nvkm_object_func
nv10_gr_chan = {
        .dtor = nv10_gr_chan_dtor,
        .fini = nv10_gr_chan_fini,
};

#define NV_WRITE_CTX(reg, val) do { \
        int offset = nv10_gr_ctx_regs_find_offset(gr, reg); \
        if (offset > 0) \
                chan->nv10[offset] = val; \
        } while (0)

#define NV17_WRITE_CTX(reg, val) do { \
        int offset = nv17_gr_ctx_regs_find_offset(gr, reg); \
        if (offset > 0) \
                chan->nv17[offset] = val; \
        } while (0)

int
nv10_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
                 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
{
        struct nv10_gr *gr = nv10_gr(base);
        struct nv10_gr_chan *chan;
        struct nvkm_device *device = gr->base.engine.subdev.device;
        unsigned long flags;

        if (!(chan = kzalloc_obj(*chan)))
                return -ENOMEM;
        nvkm_object_ctor(&nv10_gr_chan, oclass, &chan->object);
        chan->gr = gr;
        chan->chid = fifoch->id;
        *pobject = &chan->object;

        NV_WRITE_CTX(0x00400e88, 0x08000000);
        NV_WRITE_CTX(0x00400e9c, 0x4b7fffff);
        NV_WRITE_CTX(NV03_PGRAPH_XY_LOGIC_MISC0, 0x0001ffff);
        NV_WRITE_CTX(0x00400e10, 0x00001000);
        NV_WRITE_CTX(0x00400e14, 0x00001000);
        NV_WRITE_CTX(0x00400e30, 0x00080008);
        NV_WRITE_CTX(0x00400e34, 0x00080008);
        if (device->card_type >= NV_11 && device->chipset >= 0x17) {
                /* is it really needed ??? */
                NV17_WRITE_CTX(NV10_PGRAPH_DEBUG_4,
                               nvkm_rd32(device, NV10_PGRAPH_DEBUG_4));
                NV17_WRITE_CTX(0x004006b0, nvkm_rd32(device, 0x004006b0));
                NV17_WRITE_CTX(0x00400eac, 0x0fff0000);
                NV17_WRITE_CTX(0x00400eb0, 0x0fff0000);
                NV17_WRITE_CTX(0x00400ec0, 0x00000080);
                NV17_WRITE_CTX(0x00400ed0, 0x00000080);
        }
        NV_WRITE_CTX(NV10_PGRAPH_CTX_USER, chan->chid << 24);

        nv10_gr_create_pipe(chan);

        spin_lock_irqsave(&gr->lock, flags);
        gr->chan[chan->chid] = chan;
        spin_unlock_irqrestore(&gr->lock, flags);
        return 0;
}

/*******************************************************************************
 * PGRAPH engine/subdev functions
 ******************************************************************************/

void
nv10_gr_tile(struct nvkm_gr *base, int i, struct nvkm_fb_tile *tile)
{
        struct nv10_gr *gr = nv10_gr(base);
        struct nvkm_device *device = gr->base.engine.subdev.device;
        struct nvkm_fifo *fifo = device->fifo;
        unsigned long flags;

        nvkm_fifo_pause(fifo, &flags);
        nv04_gr_idle(&gr->base);

        nvkm_wr32(device, NV10_PGRAPH_TLIMIT(i), tile->limit);
        nvkm_wr32(device, NV10_PGRAPH_TSIZE(i), tile->pitch);
        nvkm_wr32(device, NV10_PGRAPH_TILE(i), tile->addr);

        nvkm_fifo_start(fifo, &flags);
}

const struct nvkm_bitfield nv10_gr_intr_name[] = {
        { NV_PGRAPH_INTR_NOTIFY, "NOTIFY" },
        { NV_PGRAPH_INTR_ERROR,  "ERROR"  },
        {}
};

const struct nvkm_bitfield nv10_gr_nstatus[] = {
        { NV10_PGRAPH_NSTATUS_STATE_IN_USE,       "STATE_IN_USE" },
        { NV10_PGRAPH_NSTATUS_INVALID_STATE,      "INVALID_STATE" },
        { NV10_PGRAPH_NSTATUS_BAD_ARGUMENT,       "BAD_ARGUMENT" },
        { NV10_PGRAPH_NSTATUS_PROTECTION_FAULT,   "PROTECTION_FAULT" },
        {}
};

void
nv10_gr_intr(struct nvkm_gr *base)
{
        struct nv10_gr *gr = nv10_gr(base);
        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
        struct nvkm_device *device = subdev->device;
        u32 stat = nvkm_rd32(device, NV03_PGRAPH_INTR);
        u32 nsource = nvkm_rd32(device, NV03_PGRAPH_NSOURCE);
        u32 nstatus = nvkm_rd32(device, NV03_PGRAPH_NSTATUS);
        u32 addr = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_ADDR);
        u32 chid = (addr & 0x01f00000) >> 20;
        u32 subc = (addr & 0x00070000) >> 16;
        u32 mthd = (addr & 0x00001ffc);
        u32 data = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_DATA);
        u32 class = nvkm_rd32(device, 0x400160 + subc * 4) & 0xfff;
        u32 show = stat;
        char msg[128], src[128], sta[128];
        struct nv10_gr_chan *chan;
        unsigned long flags;

        spin_lock_irqsave(&gr->lock, flags);
        chan = gr->chan[chid];

        if (stat & NV_PGRAPH_INTR_ERROR) {
                if (chan && (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD)) {
                        if (!nv10_gr_mthd(chan, class, mthd, data))
                                show &= ~NV_PGRAPH_INTR_ERROR;
                }
        }

        if (stat & NV_PGRAPH_INTR_CONTEXT_SWITCH) {
                nvkm_wr32(device, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_CONTEXT_SWITCH);
                stat &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
                show &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
                nv10_gr_context_switch(gr);
        }

        nvkm_wr32(device, NV03_PGRAPH_INTR, stat);
        nvkm_wr32(device, NV04_PGRAPH_FIFO, 0x00000001);

        if (show) {
                nvkm_snprintbf(msg, sizeof(msg), nv10_gr_intr_name, show);
                nvkm_snprintbf(src, sizeof(src), nv04_gr_nsource, nsource);
                nvkm_snprintbf(sta, sizeof(sta), nv10_gr_nstatus, nstatus);
                nvkm_error(subdev, "intr %08x [%s] nsource %08x [%s] "
                                   "nstatus %08x [%s] ch %d [%s] subc %d "
                                   "class %04x mthd %04x data %08x\n",
                           show, msg, nsource, src, nstatus, sta, chid,
                           chan ? chan->object.client->name : "unknown",
                           subc, class, mthd, data);
        }

        spin_unlock_irqrestore(&gr->lock, flags);
}

int
nv10_gr_init(struct nvkm_gr *base)
{
        struct nv10_gr *gr = nv10_gr(base);
        struct nvkm_device *device = gr->base.engine.subdev.device;

        nvkm_wr32(device, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
        nvkm_wr32(device, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);

        nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
        nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0x00000000);
        nvkm_wr32(device, NV04_PGRAPH_DEBUG_1, 0x00118700);
        /* nvkm_wr32(device, NV04_PGRAPH_DEBUG_2, 0x24E00810); */ /* 0x25f92ad9 */
        nvkm_wr32(device, NV04_PGRAPH_DEBUG_2, 0x25f92ad9);
        nvkm_wr32(device, NV04_PGRAPH_DEBUG_3, 0x55DE0830 | (1 << 29) | (1 << 31));

        if (device->card_type >= NV_11 && device->chipset >= 0x17) {
                nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x1f000000);
                nvkm_wr32(device, 0x400a10, 0x03ff3fb6);
                nvkm_wr32(device, 0x400838, 0x002f8684);
                nvkm_wr32(device, 0x40083c, 0x00115f3f);
                nvkm_wr32(device, 0x4006b0, 0x40000020);
        } else {
                nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x00000000);
        }

        nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(0), 0x00000000);
        nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(1), 0x00000000);
        nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(2), 0x00000000);
        nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(3), 0x00000000);
        nvkm_wr32(device, NV10_PGRAPH_CTX_SWITCH(4), 0x00000000);
        nvkm_wr32(device, NV10_PGRAPH_STATE, 0xFFFFFFFF);

        nvkm_mask(device, NV10_PGRAPH_CTX_USER, 0xff000000, 0x1f000000);
        nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
        nvkm_wr32(device, NV10_PGRAPH_FFINTFC_ST2, 0x08000000);
        return 0;
}

int
nv10_gr_new_(const struct nvkm_gr_func *func, struct nvkm_device *device,
             enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
{
        struct nv10_gr *gr;

        if (!(gr = kzalloc_obj(*gr)))
                return -ENOMEM;
        spin_lock_init(&gr->lock);
        *pgr = &gr->base;

        return nvkm_gr_ctor(func, device, type, inst, true, &gr->base);
}

static const struct nvkm_gr_func
nv10_gr = {
        .init = nv10_gr_init,
        .intr = nv10_gr_intr,
        .tile = nv10_gr_tile,
        .chan_new = nv10_gr_chan_new,
        .sclass = {
                { -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
                { -1, -1, 0x0019, &nv04_gr_object }, /* clip */
                { -1, -1, 0x0030, &nv04_gr_object }, /* null */
                { -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
                { -1, -1, 0x0043, &nv04_gr_object }, /* rop */
                { -1, -1, 0x0044, &nv04_gr_object }, /* pattern */
                { -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
                { -1, -1, 0x0052, &nv04_gr_object }, /* swzsurf */
                { -1, -1, 0x005f, &nv04_gr_object }, /* blit */
                { -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
                { -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
                { -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
                { -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
                { -1, -1, 0x009f, &nv04_gr_object }, /* blit */
                { -1, -1, 0x0093, &nv04_gr_object }, /* surf3d */
                { -1, -1, 0x0094, &nv04_gr_object }, /* ttri */
                { -1, -1, 0x0095, &nv04_gr_object }, /* mtri */
                { -1, -1, 0x0056, &nv04_gr_object }, /* celcius */
                {}
        }
};

int
nv10_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
{
        return nv10_gr_new_(&nv10_gr, device, type, inst, pgr);
}