mirror of https://gitee.com/openkylin/linux.git
390 lines
9.6 KiB
C
390 lines
9.6 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR MIT
|
|
/* Copyright 2017-2019 Qiang Yu <yuq825@gmail.com> */
|
|
|
|
#include <linux/regulator/consumer.h>
|
|
#include <linux/reset.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include "lima_device.h"
|
|
#include "lima_gp.h"
|
|
#include "lima_pp.h"
|
|
#include "lima_mmu.h"
|
|
#include "lima_pmu.h"
|
|
#include "lima_l2_cache.h"
|
|
#include "lima_dlbu.h"
|
|
#include "lima_bcast.h"
|
|
#include "lima_vm.h"
|
|
|
|
struct lima_ip_desc {
|
|
char *name;
|
|
char *irq_name;
|
|
bool must_have[lima_gpu_num];
|
|
int offset[lima_gpu_num];
|
|
|
|
int (*init)(struct lima_ip *ip);
|
|
void (*fini)(struct lima_ip *ip);
|
|
};
|
|
|
|
#define LIMA_IP_DESC(ipname, mst0, mst1, off0, off1, func, irq) \
|
|
[lima_ip_##ipname] = { \
|
|
.name = #ipname, \
|
|
.irq_name = irq, \
|
|
.must_have = { \
|
|
[lima_gpu_mali400] = mst0, \
|
|
[lima_gpu_mali450] = mst1, \
|
|
}, \
|
|
.offset = { \
|
|
[lima_gpu_mali400] = off0, \
|
|
[lima_gpu_mali450] = off1, \
|
|
}, \
|
|
.init = lima_##func##_init, \
|
|
.fini = lima_##func##_fini, \
|
|
}
|
|
|
|
static struct lima_ip_desc lima_ip_desc[lima_ip_num] = {
|
|
LIMA_IP_DESC(pmu, false, false, 0x02000, 0x02000, pmu, "pmu"),
|
|
LIMA_IP_DESC(l2_cache0, true, true, 0x01000, 0x10000, l2_cache, NULL),
|
|
LIMA_IP_DESC(l2_cache1, false, true, -1, 0x01000, l2_cache, NULL),
|
|
LIMA_IP_DESC(l2_cache2, false, false, -1, 0x11000, l2_cache, NULL),
|
|
LIMA_IP_DESC(gp, true, true, 0x00000, 0x00000, gp, "gp"),
|
|
LIMA_IP_DESC(pp0, true, true, 0x08000, 0x08000, pp, "pp0"),
|
|
LIMA_IP_DESC(pp1, false, false, 0x0A000, 0x0A000, pp, "pp1"),
|
|
LIMA_IP_DESC(pp2, false, false, 0x0C000, 0x0C000, pp, "pp2"),
|
|
LIMA_IP_DESC(pp3, false, false, 0x0E000, 0x0E000, pp, "pp3"),
|
|
LIMA_IP_DESC(pp4, false, false, -1, 0x28000, pp, "pp4"),
|
|
LIMA_IP_DESC(pp5, false, false, -1, 0x2A000, pp, "pp5"),
|
|
LIMA_IP_DESC(pp6, false, false, -1, 0x2C000, pp, "pp6"),
|
|
LIMA_IP_DESC(pp7, false, false, -1, 0x2E000, pp, "pp7"),
|
|
LIMA_IP_DESC(gpmmu, true, true, 0x03000, 0x03000, mmu, "gpmmu"),
|
|
LIMA_IP_DESC(ppmmu0, true, true, 0x04000, 0x04000, mmu, "ppmmu0"),
|
|
LIMA_IP_DESC(ppmmu1, false, false, 0x05000, 0x05000, mmu, "ppmmu1"),
|
|
LIMA_IP_DESC(ppmmu2, false, false, 0x06000, 0x06000, mmu, "ppmmu2"),
|
|
LIMA_IP_DESC(ppmmu3, false, false, 0x07000, 0x07000, mmu, "ppmmu3"),
|
|
LIMA_IP_DESC(ppmmu4, false, false, -1, 0x1C000, mmu, "ppmmu4"),
|
|
LIMA_IP_DESC(ppmmu5, false, false, -1, 0x1D000, mmu, "ppmmu5"),
|
|
LIMA_IP_DESC(ppmmu6, false, false, -1, 0x1E000, mmu, "ppmmu6"),
|
|
LIMA_IP_DESC(ppmmu7, false, false, -1, 0x1F000, mmu, "ppmmu7"),
|
|
LIMA_IP_DESC(dlbu, false, true, -1, 0x14000, dlbu, NULL),
|
|
LIMA_IP_DESC(bcast, false, true, -1, 0x13000, bcast, NULL),
|
|
LIMA_IP_DESC(pp_bcast, false, true, -1, 0x16000, pp_bcast, "pp"),
|
|
LIMA_IP_DESC(ppmmu_bcast, false, true, -1, 0x15000, mmu, NULL),
|
|
};
|
|
|
|
const char *lima_ip_name(struct lima_ip *ip)
|
|
{
|
|
return lima_ip_desc[ip->id].name;
|
|
}
|
|
|
|
static int lima_clk_init(struct lima_device *dev)
|
|
{
|
|
int err;
|
|
|
|
dev->clk_bus = devm_clk_get(dev->dev, "bus");
|
|
if (IS_ERR(dev->clk_bus)) {
|
|
err = PTR_ERR(dev->clk_bus);
|
|
if (err != -EPROBE_DEFER)
|
|
dev_err(dev->dev, "get bus clk failed %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
dev->clk_gpu = devm_clk_get(dev->dev, "core");
|
|
if (IS_ERR(dev->clk_gpu)) {
|
|
err = PTR_ERR(dev->clk_gpu);
|
|
if (err != -EPROBE_DEFER)
|
|
dev_err(dev->dev, "get core clk failed %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
err = clk_prepare_enable(dev->clk_bus);
|
|
if (err)
|
|
return err;
|
|
|
|
err = clk_prepare_enable(dev->clk_gpu);
|
|
if (err)
|
|
goto error_out0;
|
|
|
|
dev->reset = devm_reset_control_array_get_optional_shared(dev->dev);
|
|
|
|
if (IS_ERR(dev->reset)) {
|
|
err = PTR_ERR(dev->reset);
|
|
if (err != -EPROBE_DEFER)
|
|
dev_err(dev->dev, "get reset controller failed %d\n",
|
|
err);
|
|
goto error_out1;
|
|
} else if (dev->reset != NULL) {
|
|
err = reset_control_deassert(dev->reset);
|
|
if (err) {
|
|
dev_err(dev->dev,
|
|
"reset controller deassert failed %d\n", err);
|
|
goto error_out1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
error_out1:
|
|
clk_disable_unprepare(dev->clk_gpu);
|
|
error_out0:
|
|
clk_disable_unprepare(dev->clk_bus);
|
|
return err;
|
|
}
|
|
|
|
static void lima_clk_fini(struct lima_device *dev)
|
|
{
|
|
if (dev->reset != NULL)
|
|
reset_control_assert(dev->reset);
|
|
clk_disable_unprepare(dev->clk_gpu);
|
|
clk_disable_unprepare(dev->clk_bus);
|
|
}
|
|
|
|
static int lima_regulator_init(struct lima_device *dev)
|
|
{
|
|
int ret;
|
|
|
|
dev->regulator = devm_regulator_get_optional(dev->dev, "mali");
|
|
if (IS_ERR(dev->regulator)) {
|
|
ret = PTR_ERR(dev->regulator);
|
|
dev->regulator = NULL;
|
|
if (ret == -ENODEV)
|
|
return 0;
|
|
if (ret != -EPROBE_DEFER)
|
|
dev_err(dev->dev, "failed to get regulator: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = regulator_enable(dev->regulator);
|
|
if (ret < 0) {
|
|
dev_err(dev->dev, "failed to enable regulator: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void lima_regulator_fini(struct lima_device *dev)
|
|
{
|
|
if (dev->regulator)
|
|
regulator_disable(dev->regulator);
|
|
}
|
|
|
|
static int lima_init_ip(struct lima_device *dev, int index)
|
|
{
|
|
struct lima_ip_desc *desc = lima_ip_desc + index;
|
|
struct lima_ip *ip = dev->ip + index;
|
|
int offset = desc->offset[dev->id];
|
|
bool must = desc->must_have[dev->id];
|
|
int err;
|
|
|
|
if (offset < 0)
|
|
return 0;
|
|
|
|
ip->dev = dev;
|
|
ip->id = index;
|
|
ip->iomem = dev->iomem + offset;
|
|
if (desc->irq_name) {
|
|
err = platform_get_irq_byname(dev->pdev, desc->irq_name);
|
|
if (err < 0)
|
|
goto out;
|
|
ip->irq = err;
|
|
}
|
|
|
|
err = desc->init(ip);
|
|
if (!err) {
|
|
ip->present = true;
|
|
return 0;
|
|
}
|
|
|
|
out:
|
|
return must ? err : 0;
|
|
}
|
|
|
|
static void lima_fini_ip(struct lima_device *ldev, int index)
|
|
{
|
|
struct lima_ip_desc *desc = lima_ip_desc + index;
|
|
struct lima_ip *ip = ldev->ip + index;
|
|
|
|
if (ip->present)
|
|
desc->fini(ip);
|
|
}
|
|
|
|
static int lima_init_gp_pipe(struct lima_device *dev)
|
|
{
|
|
struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_gp;
|
|
int err;
|
|
|
|
err = lima_sched_pipe_init(pipe, "gp");
|
|
if (err)
|
|
return err;
|
|
|
|
pipe->l2_cache[pipe->num_l2_cache++] = dev->ip + lima_ip_l2_cache0;
|
|
pipe->mmu[pipe->num_mmu++] = dev->ip + lima_ip_gpmmu;
|
|
pipe->processor[pipe->num_processor++] = dev->ip + lima_ip_gp;
|
|
|
|
err = lima_gp_pipe_init(dev);
|
|
if (err) {
|
|
lima_sched_pipe_fini(pipe);
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void lima_fini_gp_pipe(struct lima_device *dev)
|
|
{
|
|
struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_gp;
|
|
|
|
lima_gp_pipe_fini(dev);
|
|
lima_sched_pipe_fini(pipe);
|
|
}
|
|
|
|
static int lima_init_pp_pipe(struct lima_device *dev)
|
|
{
|
|
struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp;
|
|
int err, i;
|
|
|
|
err = lima_sched_pipe_init(pipe, "pp");
|
|
if (err)
|
|
return err;
|
|
|
|
for (i = 0; i < LIMA_SCHED_PIPE_MAX_PROCESSOR; i++) {
|
|
struct lima_ip *pp = dev->ip + lima_ip_pp0 + i;
|
|
struct lima_ip *ppmmu = dev->ip + lima_ip_ppmmu0 + i;
|
|
struct lima_ip *l2_cache;
|
|
|
|
if (dev->id == lima_gpu_mali400)
|
|
l2_cache = dev->ip + lima_ip_l2_cache0;
|
|
else
|
|
l2_cache = dev->ip + lima_ip_l2_cache1 + (i >> 2);
|
|
|
|
if (pp->present && ppmmu->present && l2_cache->present) {
|
|
pipe->mmu[pipe->num_mmu++] = ppmmu;
|
|
pipe->processor[pipe->num_processor++] = pp;
|
|
if (!pipe->l2_cache[i >> 2])
|
|
pipe->l2_cache[pipe->num_l2_cache++] = l2_cache;
|
|
}
|
|
}
|
|
|
|
if (dev->ip[lima_ip_bcast].present) {
|
|
pipe->bcast_processor = dev->ip + lima_ip_pp_bcast;
|
|
pipe->bcast_mmu = dev->ip + lima_ip_ppmmu_bcast;
|
|
}
|
|
|
|
err = lima_pp_pipe_init(dev);
|
|
if (err) {
|
|
lima_sched_pipe_fini(pipe);
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void lima_fini_pp_pipe(struct lima_device *dev)
|
|
{
|
|
struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp;
|
|
|
|
lima_pp_pipe_fini(dev);
|
|
lima_sched_pipe_fini(pipe);
|
|
}
|
|
|
|
int lima_device_init(struct lima_device *ldev)
|
|
{
|
|
int err, i;
|
|
struct resource *res;
|
|
|
|
dma_set_coherent_mask(ldev->dev, DMA_BIT_MASK(32));
|
|
|
|
err = lima_clk_init(ldev);
|
|
if (err)
|
|
return err;
|
|
|
|
err = lima_regulator_init(ldev);
|
|
if (err)
|
|
goto err_out0;
|
|
|
|
ldev->empty_vm = lima_vm_create(ldev);
|
|
if (!ldev->empty_vm) {
|
|
err = -ENOMEM;
|
|
goto err_out1;
|
|
}
|
|
|
|
ldev->va_start = 0;
|
|
if (ldev->id == lima_gpu_mali450) {
|
|
ldev->va_end = LIMA_VA_RESERVE_START;
|
|
ldev->dlbu_cpu = dma_alloc_wc(
|
|
ldev->dev, LIMA_PAGE_SIZE,
|
|
&ldev->dlbu_dma, GFP_KERNEL | __GFP_NOWARN);
|
|
if (!ldev->dlbu_cpu) {
|
|
err = -ENOMEM;
|
|
goto err_out2;
|
|
}
|
|
} else
|
|
ldev->va_end = LIMA_VA_RESERVE_END;
|
|
|
|
res = platform_get_resource(ldev->pdev, IORESOURCE_MEM, 0);
|
|
ldev->iomem = devm_ioremap_resource(ldev->dev, res);
|
|
if (IS_ERR(ldev->iomem)) {
|
|
dev_err(ldev->dev, "fail to ioremap iomem\n");
|
|
err = PTR_ERR(ldev->iomem);
|
|
goto err_out3;
|
|
}
|
|
|
|
for (i = 0; i < lima_ip_num; i++) {
|
|
err = lima_init_ip(ldev, i);
|
|
if (err)
|
|
goto err_out4;
|
|
}
|
|
|
|
err = lima_init_gp_pipe(ldev);
|
|
if (err)
|
|
goto err_out4;
|
|
|
|
err = lima_init_pp_pipe(ldev);
|
|
if (err)
|
|
goto err_out5;
|
|
|
|
dev_info(ldev->dev, "bus rate = %lu\n", clk_get_rate(ldev->clk_bus));
|
|
dev_info(ldev->dev, "mod rate = %lu", clk_get_rate(ldev->clk_gpu));
|
|
|
|
return 0;
|
|
|
|
err_out5:
|
|
lima_fini_gp_pipe(ldev);
|
|
err_out4:
|
|
while (--i >= 0)
|
|
lima_fini_ip(ldev, i);
|
|
err_out3:
|
|
if (ldev->dlbu_cpu)
|
|
dma_free_wc(ldev->dev, LIMA_PAGE_SIZE,
|
|
ldev->dlbu_cpu, ldev->dlbu_dma);
|
|
err_out2:
|
|
lima_vm_put(ldev->empty_vm);
|
|
err_out1:
|
|
lima_regulator_fini(ldev);
|
|
err_out0:
|
|
lima_clk_fini(ldev);
|
|
return err;
|
|
}
|
|
|
|
void lima_device_fini(struct lima_device *ldev)
|
|
{
|
|
int i;
|
|
|
|
lima_fini_pp_pipe(ldev);
|
|
lima_fini_gp_pipe(ldev);
|
|
|
|
for (i = lima_ip_num - 1; i >= 0; i--)
|
|
lima_fini_ip(ldev, i);
|
|
|
|
if (ldev->dlbu_cpu)
|
|
dma_free_wc(ldev->dev, LIMA_PAGE_SIZE,
|
|
ldev->dlbu_cpu, ldev->dlbu_dma);
|
|
|
|
lima_vm_put(ldev->empty_vm);
|
|
|
|
lima_regulator_fini(ldev);
|
|
|
|
lima_clk_fini(ldev);
|
|
}
|