diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_device.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_device.c | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c new file mode 100644 index 000000000..7d3e9a129 --- /dev/null +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -0,0 +1,385 @@ +/* + * Copyright (C) 2013-2014 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + * + * Copyright (c) 2014,2017 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 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. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "adreno_gpu.h" + +#define ANY_ID 0xff + +bool hang_debug = false; +MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)"); +module_param_named(hang_debug, hang_debug, bool, 0600); + +static const struct adreno_info gpulist[] = { + { + .rev = ADRENO_REV(3, 0, 5, ANY_ID), + .revn = 305, + .name = "A305", + .fw = { + [ADRENO_FW_PM4] = "a300_pm4.fw", + [ADRENO_FW_PFP] = "a300_pfp.fw", + }, + .gmem = SZ_256K, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a3xx_gpu_init, + }, { + .rev = ADRENO_REV(3, 0, 6, 0), + .revn = 307, /* because a305c is revn==306 */ + .name = "A306", + .fw = { + [ADRENO_FW_PM4] = "a300_pm4.fw", + [ADRENO_FW_PFP] = "a300_pfp.fw", + }, + .gmem = SZ_128K, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a3xx_gpu_init, + }, { + .rev = ADRENO_REV(3, 2, ANY_ID, ANY_ID), + .revn = 320, + .name = "A320", + .fw = { + [ADRENO_FW_PM4] = "a300_pm4.fw", + [ADRENO_FW_PFP] = "a300_pfp.fw", + }, + .gmem = SZ_512K, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a3xx_gpu_init, + }, { + .rev = ADRENO_REV(3, 3, 0, ANY_ID), + .revn = 330, + .name = "A330", + .fw = { + [ADRENO_FW_PM4] = "a330_pm4.fw", + [ADRENO_FW_PFP] = "a330_pfp.fw", + }, + .gmem = SZ_1M, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a3xx_gpu_init, + }, { + .rev = ADRENO_REV(4, 2, 0, ANY_ID), + .revn = 420, + .name = "A420", + .fw = { + [ADRENO_FW_PM4] = "a420_pm4.fw", + [ADRENO_FW_PFP] = "a420_pfp.fw", + }, + .gmem = (SZ_1M + SZ_512K), + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a4xx_gpu_init, + }, { + .rev = ADRENO_REV(4, 3, 0, ANY_ID), + .revn = 430, + .name = "A430", + .fw = { + [ADRENO_FW_PM4] = "a420_pm4.fw", + [ADRENO_FW_PFP] = "a420_pfp.fw", + }, + .gmem = (SZ_1M + SZ_512K), + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a4xx_gpu_init, + }, { + .rev = ADRENO_REV(5, 3, 0, 2), + .revn = 530, + .name = "A530", + .fw = { + [ADRENO_FW_PM4] = "a530_pm4.fw", + [ADRENO_FW_PFP] = "a530_pfp.fw", + [ADRENO_FW_GPMU] = "a530v3_gpmu.fw2", + }, + .gmem = SZ_1M, + /* + * Increase inactive period to 250 to avoid bouncing + * the GDSC which appears to make it grumpy + */ + .inactive_period = 250, + .quirks = ADRENO_QUIRK_TWO_PASS_USE_WFI | + ADRENO_QUIRK_FAULT_DETECT_MASK, + .init = a5xx_gpu_init, + .zapfw = "a530_zap.mdt", + }, { + .rev = ADRENO_REV(6, 3, 0, ANY_ID), + .revn = 630, + .name = "A630", + .fw = { + [ADRENO_FW_SQE] = "a630_sqe.fw", + [ADRENO_FW_GMU] = "a630_gmu.bin", + }, + .gmem = SZ_1M, + .init = a6xx_gpu_init, + }, +}; + +MODULE_FIRMWARE("qcom/a300_pm4.fw"); +MODULE_FIRMWARE("qcom/a300_pfp.fw"); +MODULE_FIRMWARE("qcom/a330_pm4.fw"); +MODULE_FIRMWARE("qcom/a330_pfp.fw"); +MODULE_FIRMWARE("qcom/a420_pm4.fw"); +MODULE_FIRMWARE("qcom/a420_pfp.fw"); +MODULE_FIRMWARE("qcom/a530_pm4.fw"); +MODULE_FIRMWARE("qcom/a530_pfp.fw"); +MODULE_FIRMWARE("qcom/a530v3_gpmu.fw2"); +MODULE_FIRMWARE("qcom/a530_zap.mdt"); +MODULE_FIRMWARE("qcom/a530_zap.b00"); +MODULE_FIRMWARE("qcom/a530_zap.b01"); +MODULE_FIRMWARE("qcom/a530_zap.b02"); +MODULE_FIRMWARE("qcom/a630_sqe.fw"); +MODULE_FIRMWARE("qcom/a630_gmu.bin"); + +static inline bool _rev_match(uint8_t entry, uint8_t id) +{ + return (entry == ANY_ID) || (entry == id); +} + +const struct adreno_info *adreno_info(struct adreno_rev rev) +{ + int i; + + /* identify gpu: */ + for (i = 0; i < ARRAY_SIZE(gpulist); i++) { + const struct adreno_info *info = &gpulist[i]; + if (_rev_match(info->rev.core, rev.core) && + _rev_match(info->rev.major, rev.major) && + _rev_match(info->rev.minor, rev.minor) && + _rev_match(info->rev.patchid, rev.patchid)) + return info; + } + + return NULL; +} + +struct msm_gpu *adreno_load_gpu(struct drm_device *dev) +{ + struct msm_drm_private *priv = dev->dev_private; + struct platform_device *pdev = priv->gpu_pdev; + struct msm_gpu *gpu = NULL; + struct adreno_gpu *adreno_gpu; + int ret; + + if (pdev) + gpu = platform_get_drvdata(pdev); + + if (!gpu) { + dev_err_once(dev->dev, "no GPU device was found\n"); + return NULL; + } + + adreno_gpu = to_adreno_gpu(gpu); + + /* + * The number one reason for HW init to fail is if the firmware isn't + * loaded yet. Try that first and don't bother continuing on + * otherwise + */ + + ret = adreno_load_fw(adreno_gpu); + if (ret) + return NULL; + + /* Make sure pm runtime is active and reset any previous errors */ + pm_runtime_set_active(&pdev->dev); + + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) { + dev_err(dev->dev, "Couldn't power up the GPU: %d\n", ret); + return NULL; + } + + mutex_lock(&dev->struct_mutex); + ret = msm_gpu_hw_init(gpu); + mutex_unlock(&dev->struct_mutex); + pm_runtime_put_autosuspend(&pdev->dev); + if (ret) { + dev_err(dev->dev, "gpu hw init failed: %d\n", ret); + return NULL; + } + +#ifdef CONFIG_DEBUG_FS + if (gpu->funcs->debugfs_init) { + gpu->funcs->debugfs_init(gpu, dev->primary); + gpu->funcs->debugfs_init(gpu, dev->render); + } +#endif + + return gpu; +} + +static void set_gpu_pdev(struct drm_device *dev, + struct platform_device *pdev) +{ + struct msm_drm_private *priv = dev->dev_private; + priv->gpu_pdev = pdev; +} + +static int find_chipid(struct device *dev, struct adreno_rev *rev) +{ + struct device_node *node = dev->of_node; + const char *compat; + int ret; + u32 chipid; + + /* first search the compat strings for qcom,adreno-XYZ.W: */ + ret = of_property_read_string_index(node, "compatible", 0, &compat); + if (ret == 0) { + unsigned int r, patch; + + if (sscanf(compat, "qcom,adreno-%u.%u", &r, &patch) == 2) { + rev->core = r / 100; + r %= 100; + rev->major = r / 10; + r %= 10; + rev->minor = r; + rev->patchid = patch; + + return 0; + } + } + + /* and if that fails, fall back to legacy "qcom,chipid" property: */ + ret = of_property_read_u32(node, "qcom,chipid", &chipid); + if (ret) { + dev_err(dev, "could not parse qcom,chipid: %d\n", ret); + return ret; + } + + rev->core = (chipid >> 24) & 0xff; + rev->major = (chipid >> 16) & 0xff; + rev->minor = (chipid >> 8) & 0xff; + rev->patchid = (chipid & 0xff); + + dev_warn(dev, "Using legacy qcom,chipid binding!\n"); + dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n", + rev->core, rev->major, rev->minor, rev->patchid); + + return 0; +} + +static int adreno_bind(struct device *dev, struct device *master, void *data) +{ + static struct adreno_platform_config config = {}; + const struct adreno_info *info; + struct drm_device *drm = dev_get_drvdata(master); + struct msm_gpu *gpu; + int ret; + + ret = find_chipid(dev, &config.rev); + if (ret) + return ret; + + dev->platform_data = &config; + set_gpu_pdev(drm, to_platform_device(dev)); + + info = adreno_info(config.rev); + + if (!info) { + dev_warn(drm->dev, "Unknown GPU revision: %u.%u.%u.%u\n", + config.rev.core, config.rev.major, + config.rev.minor, config.rev.patchid); + return -ENXIO; + } + + DBG("Found GPU: %u.%u.%u.%u", config.rev.core, config.rev.major, + config.rev.minor, config.rev.patchid); + + gpu = info->init(drm); + if (IS_ERR(gpu)) { + dev_warn(drm->dev, "failed to load adreno gpu\n"); + return PTR_ERR(gpu); + } + + dev_set_drvdata(dev, gpu); + + return 0; +} + +static void adreno_unbind(struct device *dev, struct device *master, + void *data) +{ + struct msm_gpu *gpu = dev_get_drvdata(dev); + + gpu->funcs->pm_suspend(gpu); + gpu->funcs->destroy(gpu); + + set_gpu_pdev(dev_get_drvdata(master), NULL); +} + +static const struct component_ops a3xx_ops = { + .bind = adreno_bind, + .unbind = adreno_unbind, +}; + +static int adreno_probe(struct platform_device *pdev) +{ + return component_add(&pdev->dev, &a3xx_ops); +} + +static int adreno_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &a3xx_ops); + return 0; +} + +static const struct of_device_id dt_match[] = { + { .compatible = "qcom,adreno" }, + { .compatible = "qcom,adreno-3xx" }, + /* for backwards compat w/ downstream kgsl DT files: */ + { .compatible = "qcom,kgsl-3d0" }, + {} +}; + +#ifdef CONFIG_PM +static int adreno_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct msm_gpu *gpu = platform_get_drvdata(pdev); + + return gpu->funcs->pm_resume(gpu); +} + +static int adreno_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct msm_gpu *gpu = platform_get_drvdata(pdev); + + return gpu->funcs->pm_suspend(gpu); +} +#endif + +static const struct dev_pm_ops adreno_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(adreno_suspend, adreno_resume, NULL) +}; + +static struct platform_driver adreno_driver = { + .probe = adreno_probe, + .remove = adreno_remove, + .driver = { + .name = "adreno", + .of_match_table = dt_match, + .pm = &adreno_pm_ops, + }, +}; + +void __init adreno_register(void) +{ + platform_driver_register(&adreno_driver); +} + +void __exit adreno_unregister(void) +{ + platform_driver_unregister(&adreno_driver); +} |