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linux_dsm_epyc7002/drivers/gpu/drm/msm/adreno/a2xx_gpu.c
Jonathan Marek c2052a4e5c drm/msm: implement a2xx mmu 
A2XX has its own very simple MMU.

Added a msm_use_mmu() function because we can't rely on iommu_present to
decide to use MMU or not.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11 13:07:10 -05:00

493 lines
17 KiB
C
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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018 The Linux Foundation. All rights reserved. */
#include "a2xx_gpu.h"
#include "msm_gem.h"
#include "msm_mmu.h"
extern bool hang_debug;
static void a2xx_dump(struct msm_gpu *gpu);
static bool a2xx_idle(struct msm_gpu *gpu);
static bool a2xx_me_init(struct msm_gpu *gpu)
{
struct msm_ringbuffer *ring = gpu->rb[0];
OUT_PKT3(ring, CP_ME_INIT, 18);
/* All fields present (bits 9:0) */
OUT_RING(ring, 0x000003ff);
/* Disable/Enable Real-Time Stream processing (present but ignored) */
OUT_RING(ring, 0x00000000);
/* Enable (2D <-> 3D) implicit synchronization (present but ignored) */
OUT_RING(ring, 0x00000000);
OUT_RING(ring, REG_A2XX_RB_SURFACE_INFO - 0x2000);
OUT_RING(ring, REG_A2XX_PA_SC_WINDOW_OFFSET - 0x2000);
OUT_RING(ring, REG_A2XX_VGT_MAX_VTX_INDX - 0x2000);
OUT_RING(ring, REG_A2XX_SQ_PROGRAM_CNTL - 0x2000);
OUT_RING(ring, REG_A2XX_RB_DEPTHCONTROL - 0x2000);
OUT_RING(ring, REG_A2XX_PA_SU_POINT_SIZE - 0x2000);
OUT_RING(ring, REG_A2XX_PA_SC_LINE_CNTL - 0x2000);
OUT_RING(ring, REG_A2XX_PA_SU_POLY_OFFSET_FRONT_SCALE - 0x2000);
/* Vertex and Pixel Shader Start Addresses in instructions
* (3 DWORDS per instruction) */
OUT_RING(ring, 0x80000180);
/* Maximum Contexts */
OUT_RING(ring, 0x00000001);
/* Write Confirm Interval and The CP will wait the
* wait_interval * 16 clocks between polling */
OUT_RING(ring, 0x00000000);
/* NQ and External Memory Swap */
OUT_RING(ring, 0x00000000);
/* protected mode error checking (0x1f2 is REG_AXXX_CP_INT_CNTL) */
OUT_RING(ring, 0x200001f2);
/* Disable header dumping and Header dump address */
OUT_RING(ring, 0x00000000);
/* Header dump size */
OUT_RING(ring, 0x00000000);
/* enable protected mode */
OUT_PKT3(ring, CP_SET_PROTECTED_MODE, 1);
OUT_RING(ring, 1);
gpu->funcs->flush(gpu, ring);
return a2xx_idle(gpu);
}
static int a2xx_hw_init(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
dma_addr_t pt_base, tran_error;
uint32_t *ptr, len;
int i, ret;
msm_gpummu_params(gpu->aspace->mmu, &pt_base, &tran_error);
DBG("%s", gpu->name);
/* halt ME to avoid ucode upload issues on a20x */
gpu_write(gpu, REG_AXXX_CP_ME_CNTL, AXXX_CP_ME_CNTL_HALT);
gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE1, 0xfffffffe);
gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE2, 0xffffffff);
/* note: kgsl uses 0x00000001 after first reset on a22x */
gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0xffffffff);
msleep(30);
gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0x00000000);
if (adreno_is_a225(adreno_gpu))
gpu_write(gpu, REG_A2XX_SQ_FLOW_CONTROL, 0x18000000);
/* note: kgsl uses 0x0000ffff for a20x */
gpu_write(gpu, REG_A2XX_RBBM_CNTL, 0x00004442);
/* MPU: physical range */
gpu_write(gpu, REG_A2XX_MH_MMU_MPU_BASE, 0x00000000);
gpu_write(gpu, REG_A2XX_MH_MMU_MPU_END, 0xfffff000);
gpu_write(gpu, REG_A2XX_MH_MMU_CONFIG, A2XX_MH_MMU_CONFIG_MMU_ENABLE |
A2XX_MH_MMU_CONFIG_RB_W_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_CP_W_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_CP_R0_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_CP_R1_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_CP_R2_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_CP_R3_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_CP_R4_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_VGT_R0_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_VGT_R1_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_TC_R_CLNT_BEHAVIOR(BEH_TRAN_RNG) |
A2XX_MH_MMU_CONFIG_PA_W_CLNT_BEHAVIOR(BEH_TRAN_RNG));
/* same as parameters in adreno_gpu */
gpu_write(gpu, REG_A2XX_MH_MMU_VA_RANGE, SZ_16M |
A2XX_MH_MMU_VA_RANGE_NUM_64KB_REGIONS(0xfff));
gpu_write(gpu, REG_A2XX_MH_MMU_PT_BASE, pt_base);
gpu_write(gpu, REG_A2XX_MH_MMU_TRAN_ERROR, tran_error);
gpu_write(gpu, REG_A2XX_MH_MMU_INVALIDATE,
A2XX_MH_MMU_INVALIDATE_INVALIDATE_ALL |
A2XX_MH_MMU_INVALIDATE_INVALIDATE_TC);
gpu_write(gpu, REG_A2XX_MH_ARBITER_CONFIG,
A2XX_MH_ARBITER_CONFIG_SAME_PAGE_LIMIT(16) |
A2XX_MH_ARBITER_CONFIG_L1_ARB_ENABLE |
A2XX_MH_ARBITER_CONFIG_L1_ARB_HOLD_ENABLE |
A2XX_MH_ARBITER_CONFIG_PAGE_SIZE(1) |
A2XX_MH_ARBITER_CONFIG_TC_REORDER_ENABLE |
A2XX_MH_ARBITER_CONFIG_TC_ARB_HOLD_ENABLE |
A2XX_MH_ARBITER_CONFIG_IN_FLIGHT_LIMIT_ENABLE |
A2XX_MH_ARBITER_CONFIG_IN_FLIGHT_LIMIT(8) |
A2XX_MH_ARBITER_CONFIG_CP_CLNT_ENABLE |
A2XX_MH_ARBITER_CONFIG_VGT_CLNT_ENABLE |
A2XX_MH_ARBITER_CONFIG_TC_CLNT_ENABLE |
A2XX_MH_ARBITER_CONFIG_RB_CLNT_ENABLE |
A2XX_MH_ARBITER_CONFIG_PA_CLNT_ENABLE);
if (!adreno_is_a20x(adreno_gpu))
gpu_write(gpu, REG_A2XX_MH_CLNT_INTF_CTRL_CONFIG1, 0x00032f07);
gpu_write(gpu, REG_A2XX_SQ_VS_PROGRAM, 0x00000000);
gpu_write(gpu, REG_A2XX_SQ_PS_PROGRAM, 0x00000000);
gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE1, 0); /* 0x200 for msm8960? */
gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE2, 0); /* 0x80/0x1a0 for a22x? */
/* note: gsl doesn't set this */
gpu_write(gpu, REG_A2XX_RBBM_DEBUG, 0x00080000);
gpu_write(gpu, REG_A2XX_RBBM_INT_CNTL,
A2XX_RBBM_INT_CNTL_RDERR_INT_MASK);
gpu_write(gpu, REG_AXXX_CP_INT_CNTL,
AXXX_CP_INT_CNTL_T0_PACKET_IN_IB_MASK |
AXXX_CP_INT_CNTL_OPCODE_ERROR_MASK |
AXXX_CP_INT_CNTL_PROTECTED_MODE_ERROR_MASK |
AXXX_CP_INT_CNTL_RESERVED_BIT_ERROR_MASK |
AXXX_CP_INT_CNTL_IB_ERROR_MASK |
AXXX_CP_INT_CNTL_IB1_INT_MASK |
AXXX_CP_INT_CNTL_RB_INT_MASK);
gpu_write(gpu, REG_A2XX_SQ_INT_CNTL, 0);
gpu_write(gpu, REG_A2XX_MH_INTERRUPT_MASK,
A2XX_MH_INTERRUPT_MASK_AXI_READ_ERROR |
A2XX_MH_INTERRUPT_MASK_AXI_WRITE_ERROR |
A2XX_MH_INTERRUPT_MASK_MMU_PAGE_FAULT);
for (i = 3; i <= 5; i++)
if ((SZ_16K << i) == adreno_gpu->gmem)
break;
gpu_write(gpu, REG_A2XX_RB_EDRAM_INFO, i);
ret = adreno_hw_init(gpu);
if (ret)
return ret;
/* NOTE: PM4/micro-engine firmware registers look to be the same
* for a2xx and a3xx.. we could possibly push that part down to
* adreno_gpu base class. Or push both PM4 and PFP but
* parameterize the pfp ucode addr/data registers..
*/
/* Load PM4: */
ptr = (uint32_t *)(adreno_gpu->fw[ADRENO_FW_PM4]->data);
len = adreno_gpu->fw[ADRENO_FW_PM4]->size / 4;
DBG("loading PM4 ucode version: %x", ptr[1]);
gpu_write(gpu, REG_AXXX_CP_DEBUG,
AXXX_CP_DEBUG_MIU_128BIT_WRITE_ENABLE);
gpu_write(gpu, REG_AXXX_CP_ME_RAM_WADDR, 0);
for (i = 1; i < len; i++)
gpu_write(gpu, REG_AXXX_CP_ME_RAM_DATA, ptr[i]);
/* Load PFP: */
ptr = (uint32_t *)(adreno_gpu->fw[ADRENO_FW_PFP]->data);
len = adreno_gpu->fw[ADRENO_FW_PFP]->size / 4;
DBG("loading PFP ucode version: %x", ptr[5]);
gpu_write(gpu, REG_A2XX_CP_PFP_UCODE_ADDR, 0);
for (i = 1; i < len; i++)
gpu_write(gpu, REG_A2XX_CP_PFP_UCODE_DATA, ptr[i]);
gpu_write(gpu, REG_AXXX_CP_QUEUE_THRESHOLDS, 0x000C0804);
/* clear ME_HALT to start micro engine */
gpu_write(gpu, REG_AXXX_CP_ME_CNTL, 0);
return a2xx_me_init(gpu) ? 0 : -EINVAL;
}
static void a2xx_recover(struct msm_gpu *gpu)
{
int i;
adreno_dump_info(gpu);
for (i = 0; i < 8; i++) {
printk("CP_SCRATCH_REG%d: %u\n", i,
gpu_read(gpu, REG_AXXX_CP_SCRATCH_REG0 + i));
}
/* dump registers before resetting gpu, if enabled: */
if (hang_debug)
a2xx_dump(gpu);
gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 1);
gpu_read(gpu, REG_A2XX_RBBM_SOFT_RESET);
gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0);
adreno_recover(gpu);
}
static void a2xx_destroy(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
struct a2xx_gpu *a2xx_gpu = to_a2xx_gpu(adreno_gpu);
DBG("%s", gpu->name);
adreno_gpu_cleanup(adreno_gpu);
kfree(a2xx_gpu);
}
static bool a2xx_idle(struct msm_gpu *gpu)
{
/* wait for ringbuffer to drain: */
if (!adreno_idle(gpu, gpu->rb[0]))
return false;
/* then wait for GPU to finish: */
if (spin_until(!(gpu_read(gpu, REG_A2XX_RBBM_STATUS) &
A2XX_RBBM_STATUS_GUI_ACTIVE))) {
DRM_ERROR("%s: timeout waiting for GPU to idle!\n", gpu->name);
/* TODO maybe we need to reset GPU here to recover from hang? */
return false;
}
return true;
}
static irqreturn_t a2xx_irq(struct msm_gpu *gpu)
{
uint32_t mstatus, status;
mstatus = gpu_read(gpu, REG_A2XX_MASTER_INT_SIGNAL);
if (mstatus & A2XX_MASTER_INT_SIGNAL_MH_INT_STAT) {
status = gpu_read(gpu, REG_A2XX_MH_INTERRUPT_STATUS);
dev_warn(gpu->dev->dev, "MH_INT: %08X\n", status);
dev_warn(gpu->dev->dev, "MMU_PAGE_FAULT: %08X\n",
gpu_read(gpu, REG_A2XX_MH_MMU_PAGE_FAULT));
gpu_write(gpu, REG_A2XX_MH_INTERRUPT_CLEAR, status);
}
if (mstatus & A2XX_MASTER_INT_SIGNAL_CP_INT_STAT) {
status = gpu_read(gpu, REG_AXXX_CP_INT_STATUS);
/* only RB_INT is expected */
if (status & ~AXXX_CP_INT_CNTL_RB_INT_MASK)
dev_warn(gpu->dev->dev, "CP_INT: %08X\n", status);
gpu_write(gpu, REG_AXXX_CP_INT_ACK, status);
}
if (mstatus & A2XX_MASTER_INT_SIGNAL_RBBM_INT_STAT) {
status = gpu_read(gpu, REG_A2XX_RBBM_INT_STATUS);
dev_warn(gpu->dev->dev, "RBBM_INT: %08X\n", status);
gpu_write(gpu, REG_A2XX_RBBM_INT_ACK, status);
}
msm_gpu_retire(gpu);
return IRQ_HANDLED;
}
static const unsigned int a200_registers[] = {
0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044,
0x0046, 0x0047, 0x01C0, 0x01C1, 0x01C3, 0x01C8, 0x01D5, 0x01D9,
0x01DC, 0x01DD, 0x01EA, 0x01EA, 0x01EE, 0x01F3, 0x01F6, 0x01F7,
0x01FC, 0x01FF, 0x0391, 0x0392, 0x039B, 0x039E, 0x03B2, 0x03B5,
0x03B7, 0x03B7, 0x03F8, 0x03FB, 0x0440, 0x0440, 0x0443, 0x0444,
0x044B, 0x044B, 0x044D, 0x044F, 0x0452, 0x0452, 0x0454, 0x045B,
0x047F, 0x047F, 0x0578, 0x0587, 0x05C9, 0x05C9, 0x05D0, 0x05D0,
0x0601, 0x0604, 0x0606, 0x0609, 0x060B, 0x060E, 0x0613, 0x0614,
0x0A29, 0x0A2B, 0x0A2F, 0x0A31, 0x0A40, 0x0A43, 0x0A45, 0x0A45,
0x0A4E, 0x0A4F, 0x0C2C, 0x0C2C, 0x0C30, 0x0C30, 0x0C38, 0x0C3C,
0x0C40, 0x0C40, 0x0C44, 0x0C44, 0x0C80, 0x0C86, 0x0C88, 0x0C94,
0x0C99, 0x0C9A, 0x0CA4, 0x0CA5, 0x0D00, 0x0D03, 0x0D06, 0x0D06,
0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1, 0x0DC8, 0x0DD4,
0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04, 0x0E17, 0x0E1E,
0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0, 0x0ED4, 0x0ED7,
0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x0F0C, 0x0F0C, 0x0F0E, 0x0F12,
0x0F26, 0x0F2A, 0x0F2C, 0x0F2C, 0x2000, 0x2002, 0x2006, 0x200F,
0x2080, 0x2082, 0x2100, 0x2109, 0x210C, 0x2114, 0x2180, 0x2184,
0x21F5, 0x21F7, 0x2200, 0x2208, 0x2280, 0x2283, 0x2293, 0x2294,
0x2300, 0x2308, 0x2312, 0x2312, 0x2316, 0x231D, 0x2324, 0x2326,
0x2380, 0x2383, 0x2400, 0x2402, 0x2406, 0x240F, 0x2480, 0x2482,
0x2500, 0x2509, 0x250C, 0x2514, 0x2580, 0x2584, 0x25F5, 0x25F7,
0x2600, 0x2608, 0x2680, 0x2683, 0x2693, 0x2694, 0x2700, 0x2708,
0x2712, 0x2712, 0x2716, 0x271D, 0x2724, 0x2726, 0x2780, 0x2783,
0x4000, 0x4003, 0x4800, 0x4805, 0x4900, 0x4900, 0x4908, 0x4908,
~0 /* sentinel */
};
static const unsigned int a220_registers[] = {
0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044,
0x0046, 0x0047, 0x01C0, 0x01C1, 0x01C3, 0x01C8, 0x01D5, 0x01D9,
0x01DC, 0x01DD, 0x01EA, 0x01EA, 0x01EE, 0x01F3, 0x01F6, 0x01F7,
0x01FC, 0x01FF, 0x0391, 0x0392, 0x039B, 0x039E, 0x03B2, 0x03B5,
0x03B7, 0x03B7, 0x03F8, 0x03FB, 0x0440, 0x0440, 0x0443, 0x0444,
0x044B, 0x044B, 0x044D, 0x044F, 0x0452, 0x0452, 0x0454, 0x045B,
0x047F, 0x047F, 0x0578, 0x0587, 0x05C9, 0x05C9, 0x05D0, 0x05D0,
0x0601, 0x0604, 0x0606, 0x0609, 0x060B, 0x060E, 0x0613, 0x0614,
0x0A29, 0x0A2B, 0x0A2F, 0x0A31, 0x0A40, 0x0A40, 0x0A42, 0x0A43,
0x0A45, 0x0A45, 0x0A4E, 0x0A4F, 0x0C30, 0x0C30, 0x0C38, 0x0C39,
0x0C3C, 0x0C3C, 0x0C80, 0x0C81, 0x0C88, 0x0C93, 0x0D00, 0x0D03,
0x0D05, 0x0D06, 0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1,
0x0DC8, 0x0DD4, 0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04,
0x0E17, 0x0E1E, 0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0,
0x0ED4, 0x0ED7, 0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x2000, 0x2002,
0x2006, 0x200F, 0x2080, 0x2082, 0x2100, 0x2102, 0x2104, 0x2109,
0x210C, 0x2114, 0x2180, 0x2184, 0x21F5, 0x21F7, 0x2200, 0x2202,
0x2204, 0x2204, 0x2208, 0x2208, 0x2280, 0x2282, 0x2294, 0x2294,
0x2300, 0x2308, 0x2309, 0x230A, 0x2312, 0x2312, 0x2316, 0x2316,
0x2318, 0x231D, 0x2324, 0x2326, 0x2380, 0x2383, 0x2400, 0x2402,
0x2406, 0x240F, 0x2480, 0x2482, 0x2500, 0x2502, 0x2504, 0x2509,
0x250C, 0x2514, 0x2580, 0x2584, 0x25F5, 0x25F7, 0x2600, 0x2602,
0x2604, 0x2606, 0x2608, 0x2608, 0x2680, 0x2682, 0x2694, 0x2694,
0x2700, 0x2708, 0x2712, 0x2712, 0x2716, 0x2716, 0x2718, 0x271D,
0x2724, 0x2726, 0x2780, 0x2783, 0x4000, 0x4003, 0x4800, 0x4805,
0x4900, 0x4900, 0x4908, 0x4908,
~0 /* sentinel */
};
static const unsigned int a225_registers[] = {
0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044,
0x0046, 0x0047, 0x013C, 0x013C, 0x0140, 0x014F, 0x01C0, 0x01C1,
0x01C3, 0x01C8, 0x01D5, 0x01D9, 0x01DC, 0x01DD, 0x01EA, 0x01EA,
0x01EE, 0x01F3, 0x01F6, 0x01F7, 0x01FC, 0x01FF, 0x0391, 0x0392,
0x039B, 0x039E, 0x03B2, 0x03B5, 0x03B7, 0x03B7, 0x03F8, 0x03FB,
0x0440, 0x0440, 0x0443, 0x0444, 0x044B, 0x044B, 0x044D, 0x044F,
0x0452, 0x0452, 0x0454, 0x045B, 0x047F, 0x047F, 0x0578, 0x0587,
0x05C9, 0x05C9, 0x05D0, 0x05D0, 0x0601, 0x0604, 0x0606, 0x0609,
0x060B, 0x060E, 0x0613, 0x0614, 0x0A29, 0x0A2B, 0x0A2F, 0x0A31,
0x0A40, 0x0A40, 0x0A42, 0x0A43, 0x0A45, 0x0A45, 0x0A4E, 0x0A4F,
0x0C01, 0x0C1D, 0x0C30, 0x0C30, 0x0C38, 0x0C39, 0x0C3C, 0x0C3C,
0x0C80, 0x0C81, 0x0C88, 0x0C93, 0x0D00, 0x0D03, 0x0D05, 0x0D06,
0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1, 0x0DC8, 0x0DD4,
0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04, 0x0E17, 0x0E1E,
0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0, 0x0ED4, 0x0ED7,
0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x2000, 0x200F, 0x2080, 0x2082,
0x2100, 0x2109, 0x210C, 0x2114, 0x2180, 0x2184, 0x21F5, 0x21F7,
0x2200, 0x2202, 0x2204, 0x2206, 0x2208, 0x2210, 0x2220, 0x2222,
0x2280, 0x2282, 0x2294, 0x2294, 0x2297, 0x2297, 0x2300, 0x230A,
0x2312, 0x2312, 0x2315, 0x2316, 0x2318, 0x231D, 0x2324, 0x2326,
0x2340, 0x2357, 0x2360, 0x2360, 0x2380, 0x2383, 0x2400, 0x240F,
0x2480, 0x2482, 0x2500, 0x2509, 0x250C, 0x2514, 0x2580, 0x2584,
0x25F5, 0x25F7, 0x2600, 0x2602, 0x2604, 0x2606, 0x2608, 0x2610,
0x2620, 0x2622, 0x2680, 0x2682, 0x2694, 0x2694, 0x2697, 0x2697,
0x2700, 0x270A, 0x2712, 0x2712, 0x2715, 0x2716, 0x2718, 0x271D,
0x2724, 0x2726, 0x2740, 0x2757, 0x2760, 0x2760, 0x2780, 0x2783,
0x4000, 0x4003, 0x4800, 0x4806, 0x4808, 0x4808, 0x4900, 0x4900,
0x4908, 0x4908,
~0 /* sentinel */
};
/* would be nice to not have to duplicate the _show() stuff with printk(): */
static void a2xx_dump(struct msm_gpu *gpu)
{
printk("status: %08x\n",
gpu_read(gpu, REG_A2XX_RBBM_STATUS));
adreno_dump(gpu);
}
static struct msm_gpu_state *a2xx_gpu_state_get(struct msm_gpu *gpu)
{
struct msm_gpu_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state)
return ERR_PTR(-ENOMEM);
adreno_gpu_state_get(gpu, state);
state->rbbm_status = gpu_read(gpu, REG_A2XX_RBBM_STATUS);
return state;
}
/* Register offset defines for A2XX - copy of A3XX */
static const unsigned int a2xx_register_offsets[REG_ADRENO_REGISTER_MAX] = {
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_AXXX_CP_RB_BASE),
REG_ADRENO_SKIP(REG_ADRENO_CP_RB_BASE_HI),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_AXXX_CP_RB_RPTR_ADDR),
REG_ADRENO_SKIP(REG_ADRENO_CP_RB_RPTR_ADDR_HI),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_AXXX_CP_RB_RPTR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_AXXX_CP_RB_WPTR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_AXXX_CP_RB_CNTL),
};
static const struct adreno_gpu_funcs funcs = {
.base = {
.get_param = adreno_get_param,
.hw_init = a2xx_hw_init,
.pm_suspend = msm_gpu_pm_suspend,
.pm_resume = msm_gpu_pm_resume,
.recover = a2xx_recover,
.submit = adreno_submit,
.flush = adreno_flush,
.active_ring = adreno_active_ring,
.irq = a2xx_irq,
.destroy = a2xx_destroy,
#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
.show = adreno_show,
#endif
.gpu_state_get = a2xx_gpu_state_get,
.gpu_state_put = adreno_gpu_state_put,
},
};
static const struct msm_gpu_perfcntr perfcntrs[] = {
/* TODO */
};
struct msm_gpu *a2xx_gpu_init(struct drm_device *dev)
{
struct a2xx_gpu *a2xx_gpu = NULL;
struct adreno_gpu *adreno_gpu;
struct msm_gpu *gpu;
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = priv->gpu_pdev;
int ret;
if (!pdev) {
dev_err(dev->dev, "no a2xx device\n");
ret = -ENXIO;
goto fail;
}
a2xx_gpu = kzalloc(sizeof(*a2xx_gpu), GFP_KERNEL);
if (!a2xx_gpu) {
ret = -ENOMEM;
goto fail;
}
adreno_gpu = &a2xx_gpu->base;
gpu = &adreno_gpu->base;
gpu->perfcntrs = perfcntrs;
gpu->num_perfcntrs = ARRAY_SIZE(perfcntrs);
if (adreno_is_a20x(adreno_gpu))
adreno_gpu->registers = a200_registers;
else if (adreno_is_a225(adreno_gpu))
adreno_gpu->registers = a225_registers;
else
adreno_gpu->registers = a220_registers;
adreno_gpu->reg_offsets = a2xx_register_offsets;
ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1);
if (ret)
goto fail;
if (!gpu->aspace) {
dev_err(dev->dev, "No memory protection without MMU\n");
ret = -ENXIO;
goto fail;
}
return gpu;
fail:
if (a2xx_gpu)
a2xx_destroy(&a2xx_gpu->base.base);
return ERR_PTR(ret);
}
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