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/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <mach/kgsl.h>
#include <mach/msm_bus_board.h>
#include <mach/board.h>
#include <mach/socinfo.h>
#include "devices.h"
#include "board-8930.h"
#ifdef CONFIG_MSM_BUS_SCALING
static struct msm_bus_vectors grp3d_init_vectors[] = {
{
.src = MSM_BUS_MASTER_GRAPHICS_3D,
.dst = MSM_BUS_SLAVE_EBI_CH0,
.ab = 0,
.ib = 0,
},
};
static struct msm_bus_vectors grp3d_low_vectors[] = {
{
.src = MSM_BUS_MASTER_GRAPHICS_3D,
.dst = MSM_BUS_SLAVE_EBI_CH0,
.ab = 0,
.ib = KGSL_CONVERT_TO_MBPS(1000),
},
};
static struct msm_bus_vectors grp3d_nominal_vectors[] = {
{
.src = MSM_BUS_MASTER_GRAPHICS_3D,
.dst = MSM_BUS_SLAVE_EBI_CH0,
.ab = 0,
.ib = KGSL_CONVERT_TO_MBPS(2656),
},
};
static struct msm_bus_vectors grp3d_max_vectors[] = {
{
.src = MSM_BUS_MASTER_GRAPHICS_3D,
.dst = MSM_BUS_SLAVE_EBI_CH0,
.ab = 0,
.ib = KGSL_CONVERT_TO_MBPS(4264),
},
};
static struct msm_bus_paths grp3d_bus_scale_usecases[] = {
{
ARRAY_SIZE(grp3d_init_vectors),
grp3d_init_vectors,
},
{
ARRAY_SIZE(grp3d_low_vectors),
grp3d_low_vectors,
},
{
ARRAY_SIZE(grp3d_nominal_vectors),
grp3d_nominal_vectors,
},
{
ARRAY_SIZE(grp3d_max_vectors),
grp3d_max_vectors,
},
};
static struct msm_bus_scale_pdata grp3d_bus_scale_pdata = {
grp3d_bus_scale_usecases,
ARRAY_SIZE(grp3d_bus_scale_usecases),
.name = "grp3d",
};
#endif
static struct resource kgsl_3d0_resources[] = {
{
.name = KGSL_3D0_REG_MEMORY,
.start = 0x04300000, /* GFX3D address */
.end = 0x0430ffff,
.flags = IORESOURCE_MEM,
},
{
.name = KGSL_3D0_SHADER_MEMORY,
.start = 0x04310000,
.end = 0x0431ffff,
.flags = IORESOURCE_MEM,
},
{
.name = KGSL_3D0_IRQ,
.start = GFX3D_IRQ,
.end = GFX3D_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static const struct kgsl_iommu_ctx kgsl_3d0_iommu0_ctxs[] = {
{ "gfx3d_user", 0 },
{ "gfx3d_priv", 1 },
};
static struct kgsl_device_iommu_data kgsl_3d0_iommu_data[] = {
{
.iommu_ctxs = kgsl_3d0_iommu0_ctxs,
.iommu_ctx_count = ARRAY_SIZE(kgsl_3d0_iommu0_ctxs),
.physstart = 0x07C00000,
.physend = 0x07C00000 + SZ_1M - 1,
},
};
static struct kgsl_device_platform_data kgsl_3d0_pdata = {
.pwrlevel = {
{
.gpu_freq = 400000000,
.bus_freq = 3,
.io_fraction = 0,
},
{
.gpu_freq = 320000000,
.bus_freq = 2,
.io_fraction = 33,
},
{
.gpu_freq = 192000000,
.bus_freq = 1,
.io_fraction = 100,
},
{
.gpu_freq = 27000000,
.bus_freq = 0,
},
},
.init_level = 1,
.num_levels = 4,
.set_grp_async = NULL,
.idle_timeout = HZ/12,
.strtstp_sleepwake = false,
.clk_map = KGSL_CLK_CORE | KGSL_CLK_IFACE | KGSL_CLK_MEM_IFACE,
#ifdef CONFIG_MSM_BUS_SCALING
.bus_scale_table = &grp3d_bus_scale_pdata,
#endif
.iommu_data = kgsl_3d0_iommu_data,
.iommu_count = ARRAY_SIZE(kgsl_3d0_iommu_data),
};
static struct platform_device device_kgsl_3d0 = {
.name = "kgsl-3d0",
.id = 0,
.num_resources = ARRAY_SIZE(kgsl_3d0_resources),
.resource = kgsl_3d0_resources,
.dev = {
.platform_data = &kgsl_3d0_pdata,
},
};
void __init msm8930_init_gpu(void)
{
unsigned int version = socinfo_get_version();
/* Set the turbo speed for the AA and AB respectively */
if (cpu_is_msm8930aa())
kgsl_3d0_pdata.pwrlevel[0].gpu_freq = 450000000;
else if (cpu_is_msm8930ab()) {
kgsl_3d0_pdata.pwrlevel[0].gpu_freq = 500000000;
grp3d_max_vectors[0].ib = KGSL_CONVERT_TO_MBPS(4800);
}
/* Set up the chip ID based on the SoC version */
if (cpu_is_msm8930ab())
kgsl_3d0_pdata.chipid = ADRENO_CHIPID(3, 0, 5, 3);
else if ((SOCINFO_VERSION_MAJOR(version) == 1) &&
(SOCINFO_VERSION_MINOR(version) == 2))
kgsl_3d0_pdata.chipid = ADRENO_CHIPID(3, 0, 5, 2);
else
kgsl_3d0_pdata.chipid = ADRENO_CHIPID(3, 0, 5, 0);
platform_device_register(&device_kgsl_3d0);
}
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