/* register_debug_features - for registering debug features.
* currently registered features are like as follows...
* - iovmm falult handler
* - ... */
static void register_debug_features(void)
{
/* 1. fault handler registration */
iovmm_set_fault_handler(g_display_driver.display_driver,
disp_driver_fault_handler, &g_display_driver);
}
static void gsc_m2m_device_run(void *priv)
{
struct gsc_ctx *ctx = priv;
struct gsc_dev *gsc;
unsigned long flags;
int ret;
bool is_set = false;
if (WARN(!ctx, "null hardware context\n"))
return;
gsc = ctx->gsc_dev;
if (in_irq())
ret = pm_runtime_get(&gsc->pdev->dev);
else
ret = pm_runtime_get_sync(&gsc->pdev->dev);
if (ret < 0) {
gsc_err("fail to pm_runtime_get");
return;
}
spin_lock_irqsave(&ctx->slock, flags);
/* Reconfigure hardware if the context has changed. */
if (gsc->m2m.ctx != ctx) {
gsc_dbg("gsc->m2m.ctx = 0x%p, current_ctx = 0x%p",
gsc->m2m.ctx, ctx);
ctx->state |= GSC_PARAMS;
gsc->m2m.ctx = ctx;
}
is_set = (ctx->state & GSC_CTX_STOP_REQ) ? 1 : 0;
ctx->state &= ~GSC_CTX_STOP_REQ;
if (is_set) {
wake_up(&gsc->irq_queue);
goto put_device;
}
ret = gsc_fill_addr(ctx);
if (ret) {
gsc_err("Wrong address");
goto put_device;
}
if (ctx->state & GSC_PARAMS) {
gsc_hw_set_sw_reset(gsc);
ret = gsc_wait_reset(gsc);
if (ret < 0) {
gsc_err("gscaler s/w reset timeout");
goto put_device;
}
gsc_hw_set_input_buf_masking(gsc, GSC_M2M_BUF_NUM, false);
gsc_hw_set_output_buf_masking(gsc, GSC_M2M_BUF_NUM, false);
gsc_hw_set_frm_done_irq_mask(gsc, false);
gsc_hw_set_deadlock_irq_mask(gsc, false);
gsc_hw_set_read_slave_error_mask(gsc, false);
gsc_hw_set_write_slave_error_mask(gsc, false);
gsc_hw_set_gsc_irq_enable(gsc, true);
gsc_hw_set_one_frm_mode(gsc, true);
gsc_hw_set_freerun_clock_mode(gsc, false);
if (gsc_set_scaler_info(ctx)) {
gsc_err("Scaler setup error");
goto put_device;
}
gsc_hw_set_input_path(ctx);
gsc_hw_set_in_size(ctx);
gsc_hw_set_in_image_format(ctx);
gsc_hw_set_output_path(ctx);
gsc_hw_set_out_size(ctx);
gsc_hw_set_out_image_format(ctx);
gsc_hw_set_prescaler(ctx);
gsc_hw_set_mainscaler(ctx);
gsc_hw_set_h_coef(ctx);
gsc_hw_set_v_coef(ctx);
if (ctx->scaler.is_scaled_down)
gsc_hw_set_output_rotation(ctx);
else
gsc_hw_set_input_rotation(ctx);
gsc_hw_set_global_alpha(ctx);
if (is_rotation) {
ret = gsc_check_rotation_size(ctx);
if (ret < 0)
goto put_device;
}
}
gsc_hw_set_input_addr(gsc, &ctx->s_frame.addr, GSC_M2M_BUF_NUM);
gsc_hw_set_output_addr(gsc, &ctx->d_frame.addr, GSC_M2M_BUF_NUM);
ctx->state &= ~GSC_PARAMS;
if (!test_and_set_bit(ST_M2M_RUN, &gsc->state)) {
/* One frame mode sequence
GSCALER_ON on -> GSCALER_OP_STATUS is operating ->
GSCALER_ON off */
gsc_hw_enable_control(gsc, true);
#ifdef GSC_PERF
gsc->start_time = sched_clock();
#endif
ret = gsc_wait_operating(gsc);
if (ret < 0) {
gsc_err("gscaler wait operating timeout");
goto put_device;
}
gsc->op_timer.expires = (jiffies + 2 * HZ);
mod_timer(&gsc->op_timer, gsc->op_timer.expires);
}
spin_unlock_irqrestore(&ctx->slock, flags);
iovmm_set_fault_handler(&gsc->pdev->dev,
gsc_sysmmu_m2m_fault_handler, ctx);
return;
put_device:
ctx->state &= ~GSC_PARAMS;
spin_unlock_irqrestore(&ctx->slock, flags);
pm_runtime_put_sync(&gsc->pdev->dev);
}
static int jpeg_probe(struct platform_device *pdev)
{
struct jpeg_dev *jpeg;
struct resource *res;
int i, ret;
jpeg = devm_kzalloc(&pdev->dev, sizeof(struct jpeg_dev), GFP_KERNEL);
if (!jpeg) {
dev_err(&pdev->dev, "%s: not enough memory\n", __func__);
return -ENOMEM;
}
ret = of_property_read_u32(pdev->dev.of_node, "ip_ver", &jpeg->ver);
if (ret) {
dev_err(&pdev->dev, "%s: ip_ver doesn't exist\n", __func__);
return -EINVAL;
}
jpeg->dev = &pdev->dev;
spin_lock_init(&jpeg->slock);
/* Get memory resource and map SFR region. */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
jpeg->regs = devm_request_and_ioremap(&pdev->dev, res);
if (jpeg->regs == NULL) {
dev_err(&pdev->dev, "failed to claim register region\n");
return -ENOENT;
}
/* Get IRQ resource and register IRQ handler. */
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get IRQ resource\n");
return -ENXIO;
}
/* Get memory resource and map SFR region. */
ret = devm_request_irq(&pdev->dev, res->start,
(void *)jpeg_irq_handler, 0,
pdev->name, jpeg);
if (ret) {
dev_err(&pdev->dev, "failed to install irq\n");
return ret;
}
/* clock */
for (i = 0; i < JPEG_CLK_NUM; i++)
jpeg->clocks[i] = ERR_PTR(-ENOENT);
ret = jpeg_clk_get(jpeg);
if (ret)
return ret;
jpeg->oneshot_dev = m2m1shot_create_device(&pdev->dev,
&jpeg_oneshot_ops, "jpeg", pdev->id, -1);
if (IS_ERR(jpeg->oneshot_dev)) {
pr_err("%s: Failed to create m2m1shot device\n", __func__);
ret = PTR_ERR(jpeg->oneshot_dev);
goto err_m2m1shot;
}
platform_set_drvdata(pdev, jpeg);
ret = exynos_create_iovmm(&pdev->dev, 3, 3);
if (ret) {
dev_err(&pdev->dev,
"%s: Failed(%d) to create IOVMM\n", __func__, ret);
goto err_iovmm;
}
ret = iovmm_activate(&pdev->dev);
if (ret) {
dev_err(&pdev->dev,
"%s: Failed(%d) to activate IOVMM\n", __func__, ret);
/* nothing to do for exynos_create_iovmm() */
goto err_iovmm;
}
iovmm_set_fault_handler(&pdev->dev,
jpeg_sysmmu_fault_handler, jpeg);
pm_runtime_enable(&pdev->dev);
if (!IS_ENABLED(CONFIG_PM_RUNTIME)) {
jpeg_clock_gating(jpeg, true);
set_bit(DEV_RUNTIME_RESUME, &jpeg->state);
}
dev_info(&pdev->dev, "JPEG driver register successfully");
return 0;
err_iovmm:
m2m1shot_destroy_device(jpeg->oneshot_dev);
err_m2m1shot:
jpeg_clk_put(jpeg);
return ret;
}
static int fimg2d_probe(struct platform_device *pdev)
{
int ret = 0;
struct resource *res;
struct fimg2d_platdata *pdata;
#ifdef CONFIG_OF
struct device *dev = &pdev->dev;
int id = 0;
#else
pdata = to_fimg2d_plat(&pdev->dev);
#endif
dev_info(&pdev->dev, "++%s\n", __func__);
#ifdef CONFIG_OF
if (dev->of_node) {
id = of_alias_get_id(pdev->dev.of_node, "fimg2d");
} else {
id = pdev->id;
pdata = dev->platform_data;
if (!pdata) {
dev_err(&pdev->dev, "no platform data\n");
return -EINVAL;
}
}
#else
if (!to_fimg2d_plat(&pdev->dev)) {
fimg2d_err("failed to get platform data\n");
return -ENOMEM;
}
#endif
/* global structure */
ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
if (!ctrl) {
fimg2d_err("failed to allocate memory for controller\n");
return -ENOMEM;
}
#ifdef CONFIG_OF
pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
fimg2d_err("failed to allocate memory for controller\n");
kfree(ctrl);
return -ENOMEM;
}
ctrl->pdata = pdata;
g2d_parse_dt(dev->of_node, ctrl->pdata);
#endif
/* setup global ctrl */
ret = fimg2d_setup_controller(ctrl);
if (ret) {
fimg2d_err("failed to setup controller\n");
goto drv_free;
}
ctrl->dev = &pdev->dev;
/* memory region */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
fimg2d_err("failed to get resource\n");
ret = -ENOENT;
goto drv_free;
}
ctrl->mem = request_mem_region(res->start, resource_size(res),
pdev->name);
if (!ctrl->mem) {
fimg2d_err("failed to request memory region\n");
ret = -ENOMEM;
goto drv_free;
}
/* ioremap */
ctrl->regs = ioremap(res->start, resource_size(res));
if (!ctrl->regs) {
fimg2d_err("failed to ioremap for SFR\n");
ret = -ENOENT;
goto mem_free;
}
fimg2d_debug("base address: 0x%lx\n", (unsigned long)res->start);
/* irq */
ctrl->irq = platform_get_irq(pdev, 0);
if (!ctrl->irq) {
fimg2d_err("failed to get irq resource\n");
ret = -ENOENT;
goto reg_unmap;
}
fimg2d_debug("irq: %d\n", ctrl->irq);
ret = request_irq(ctrl->irq, fimg2d_irq, IRQF_DISABLED,
pdev->name, ctrl);
if (ret) {
fimg2d_err("failed to request irq\n");
ret = -ENOENT;
goto reg_unmap;
}
ret = fimg2d_clk_setup(ctrl);
if (ret) {
fimg2d_err("failed to setup clk\n");
ret = -ENOENT;
goto irq_free;
}
spin_lock_init(&ctrl->qoslock);
#ifdef CONFIG_PM_RUNTIME
pm_runtime_enable(ctrl->dev);
fimg2d_info("enable runtime pm\n");
#else
fimg2d_clk_on(ctrl);
#endif
#ifdef FIMG2D_IOVMM_PAGETABLE
exynos_create_iovmm(dev, 3, 3);
#endif
iovmm_set_fault_handler(dev, fimg2d_sysmmu_fault_handler, ctrl);
fimg2d_debug("register sysmmu page fault handler\n");
/* misc register */
ret = misc_register(&fimg2d_dev);
if (ret) {
fimg2d_err("failed to register misc driver\n");
goto clk_release;
}
fimg2d_pm_qos_add(ctrl);
dev_info(&pdev->dev, "fimg2d registered successfully\n");
return 0;
clk_release:
#ifdef CONFIG_PM_RUNTIME
pm_runtime_disable(ctrl->dev);
#else
fimg2d_clk_off(ctrl);
#endif
fimg2d_clk_release(ctrl);
irq_free:
free_irq(ctrl->irq, NULL);
reg_unmap:
iounmap(ctrl->regs);
mem_free:
release_mem_region(res->start, resource_size(res));
drv_free:
#ifdef BLIT_WORKQUE
if (ctrl->work_q)
destroy_workqueue(ctrl->work_q);
#endif
mutex_destroy(&ctrl->drvlock);
#ifdef CONFIG_OF
kfree(pdata);
#endif
kfree(ctrl);
return ret;
}
static int fimc_is_probe(struct platform_device *pdev)
{
struct exynos_platform_fimc_is *pdata;
#if defined (ENABLE_IS_CORE) || defined (USE_MCUCTL)
struct resource *mem_res;
struct resource *regs_res;
#endif
struct fimc_is_core *core;
int ret = -ENODEV;
#ifndef ENABLE_IS_CORE
int i;
#endif
u32 stream;
struct pinctrl_state *s;
probe_info("%s:start(%ld, %ld)\n", __func__,
sizeof(struct fimc_is_core), sizeof(struct fimc_is_video_ctx));
core = kzalloc(sizeof(struct fimc_is_core), GFP_KERNEL);
if (!core) {
probe_err("core is NULL");
return -ENOMEM;
}
fimc_is_dev = &pdev->dev;
dev_set_drvdata(fimc_is_dev, core);
pdata = dev_get_platdata(&pdev->dev);
if (!pdata) {
#ifdef CONFIG_OF
ret = fimc_is_parse_dt(pdev);
if (ret) {
err("fimc_is_parse_dt is fail(%d)", ret);
return ret;
}
pdata = dev_get_platdata(&pdev->dev);
#else
BUG();
#endif
}
#ifdef USE_ION_ALLOC
core->fimc_ion_client = ion_client_create(ion_exynos, "fimc-is");
#endif
core->pdev = pdev;
core->pdata = pdata;
core->current_position = SENSOR_POSITION_REAR;
device_init_wakeup(&pdev->dev, true);
/* for mideaserver force down */
atomic_set(&core->rsccount, 0);
#if defined (ENABLE_IS_CORE) || defined (USE_MCUCTL)
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_res) {
probe_err("Failed to get io memory region(%p)", mem_res);
goto p_err1;
}
regs_res = request_mem_region(mem_res->start, resource_size(mem_res), pdev->name);
if (!regs_res) {
probe_err("Failed to request io memory region(%p)", regs_res);
goto p_err1;
}
core->regs_res = regs_res;
core->regs = ioremap_nocache(mem_res->start, resource_size(mem_res));
if (!core->regs) {
probe_err("Failed to remap io region(%p)", core->regs);
goto p_err2;
}
#else
core->regs_res = NULL;
core->regs = NULL;
#endif
#ifdef ENABLE_IS_CORE
core->irq = platform_get_irq(pdev, 0);
if (core->irq < 0) {
probe_err("Failed to get irq(%d)", core->irq);
goto p_err3;
}
#endif
ret = pdata->clk_get(&pdev->dev);
if (ret) {
probe_err("clk_get is fail(%d)", ret);
goto p_err3;
}
ret = fimc_is_mem_probe(&core->resourcemgr.mem, core->pdev);
if (ret) {
probe_err("fimc_is_mem_probe is fail(%d)", ret);
goto p_err3;
}
ret = fimc_is_resourcemgr_probe(&core->resourcemgr, core);
if (ret) {
probe_err("fimc_is_resourcemgr_probe is fail(%d)", ret);
goto p_err3;
}
ret = fimc_is_interface_probe(&core->interface,
&core->resourcemgr.minfo,
(ulong)core->regs,
core->irq,
core);
if (ret) {
probe_err("fimc_is_interface_probe is fail(%d)", ret);
goto p_err3;
}
ret = fimc_is_debug_probe();
if (ret) {
probe_err("fimc_is_deubg_probe is fail(%d)", ret);
goto p_err3;
}
ret = fimc_is_vender_probe(&core->vender);
if (ret) {
probe_err("fimc_is_vender_probe is fail(%d)", ret);
goto p_err3;
}
/* group initialization */
ret = fimc_is_groupmgr_probe(&core->groupmgr);
if (ret) {
probe_err("fimc_is_groupmgr_probe is fail(%d)", ret);
goto p_err3;
}
for (stream = 0; stream < FIMC_IS_STREAM_COUNT; ++stream) {
ret = fimc_is_ischain_probe(&core->ischain[stream],
&core->interface,
&core->resourcemgr,
&core->groupmgr,
&core->resourcemgr.mem,
core->pdev,
stream);
if (ret) {
probe_err("fimc_is_ischain_probe(%d) is fail(%d)", stream, ret);
goto p_err3;
}
#ifndef ENABLE_IS_CORE
core->ischain[stream].hardware = &core->hardware;
#endif
}
ret = v4l2_device_register(&pdev->dev, &core->v4l2_dev);
if (ret) {
dev_err(&pdev->dev, "failed to register fimc-is v4l2 device\n");
goto p_err3;
}
#ifdef SOC_30S
/* video entity - 3a0 */
fimc_is_30s_video_probe(core);
#endif
#ifdef SOC_30C
/* video entity - 3a0 capture */
fimc_is_30c_video_probe(core);
#endif
#ifdef SOC_30P
/* video entity - 3a0 preview */
fimc_is_30p_video_probe(core);
#endif
#ifdef SOC_31S
/* video entity - 3a1 */
fimc_is_31s_video_probe(core);
#endif
#ifdef SOC_31C
/* video entity - 3a1 capture */
fimc_is_31c_video_probe(core);
#endif
#ifdef SOC_31P
/* video entity - 3a1 preview */
fimc_is_31p_video_probe(core);
#endif
#ifdef SOC_I0S
/* video entity - isp0 */
fimc_is_i0s_video_probe(core);
#endif
#ifdef SOC_I0C
/* video entity - isp0 capture */
fimc_is_i0c_video_probe(core);
#endif
#ifdef SOC_I0P
/* video entity - isp0 preview */
fimc_is_i0p_video_probe(core);
#endif
#ifdef SOC_I1S
/* video entity - isp1 */
fimc_is_i1s_video_probe(core);
#endif
#ifdef SOC_I1C
/* video entity - isp1 capture */
fimc_is_i1c_video_probe(core);
#endif
#ifdef SOC_I1P
/* video entity - isp1 preview */
fimc_is_i1p_video_probe(core);
#endif
#ifdef SOC_DIS
/* video entity - dis */
fimc_is_dis_video_probe(core);
#endif
#ifdef SOC_SCC
/* video entity - scc */
fimc_is_scc_video_probe(core);
#endif
#ifdef SOC_SCP
/* video entity - scp */
fimc_is_scp_video_probe(core);
#endif
#ifdef SOC_MCS
/* video entity - scp */
fimc_is_m0s_video_probe(core);
fimc_is_m1s_video_probe(core);
fimc_is_m0p_video_probe(core);
fimc_is_m1p_video_probe(core);
fimc_is_m2p_video_probe(core);
fimc_is_m3p_video_probe(core);
fimc_is_m4p_video_probe(core);
#endif
platform_set_drvdata(pdev, core);
#ifndef ENABLE_IS_CORE
ret = fimc_is_interface_ischain_probe(&core->interface_ischain,
&core->hardware,
&core->resourcemgr,
core->pdev,
(ulong)core->regs);
if (ret) {
dev_err(&pdev->dev, "interface_ischain_probe fail\n");
goto p_err1;
}
ret = fimc_is_hardware_probe(&core->hardware, &core->interface, &core->interface_ischain);
if (ret) {
dev_err(&pdev->dev, "hardware_probe fail\n");
goto p_err1;
}
/* set sysfs for set position to actuator */
sysfs_actuator.init_step = 0;
for (i = 0; i < INIT_MAX_SETTING; i++) {
sysfs_actuator.init_positions[i] = -1;
sysfs_actuator.init_delays[i] = -1;
}
#endif
#if defined(CONFIG_SOC_EXYNOS5430) || defined(CONFIG_SOC_EXYNOS5433)
#if defined(CONFIG_VIDEOBUF2_ION)
if (core->resourcemgr.mem.alloc_ctx)
vb2_ion_attach_iommu(core->resourcemgr.mem.alloc_ctx);
#endif
#endif
EXYNOS_MIF_ADD_NOTIFIER(&exynos_fimc_is_mif_throttling_nb);
#if defined(CONFIG_PM_RUNTIME)
pm_runtime_enable(&pdev->dev);
#endif
#ifdef ENABLE_FAULT_HANDLER
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
exynos_sysmmu_set_fault_handler(fimc_is_dev, fimc_is_fault_handler);
#else
iovmm_set_fault_handler(fimc_is_dev, fimc_is_fault_handler, NULL);
#endif
#endif
/* set sysfs for debuging */
sysfs_debug.en_clk_gate = 0;
sysfs_debug.en_dvfs = 1;
#ifdef ENABLE_CLOCK_GATE
sysfs_debug.en_clk_gate = 1;
#ifdef HAS_FW_CLOCK_GATE
sysfs_debug.clk_gate_mode = CLOCK_GATE_MODE_FW;
#else
sysfs_debug.clk_gate_mode = CLOCK_GATE_MODE_HOST;
#endif
#endif
ret = sysfs_create_group(&core->pdev->dev.kobj, &fimc_is_debug_attr_group);
s = pinctrl_lookup_state(pdata->pinctrl, "release");
if (pinctrl_select_state(pdata->pinctrl, s) < 0) {
probe_err("pinctrl_select_state is fail\n");
goto p_err3;
}
probe_info("%s:end\n", __func__);
return 0;
p_err3:
iounmap(core->regs);
#if defined (ENABLE_IS_CORE) || defined (USE_MCUCTL)
p_err2:
release_mem_region(regs_res->start, resource_size(regs_res));
#endif
p_err1:
kfree(core);
return ret;
}