diff options
Diffstat (limited to 'drivers/gpu/host1x/dev.h')
| -rw-r--r-- | drivers/gpu/host1x/dev.h | 166 |
1 files changed, 110 insertions, 56 deletions
diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h index 790ddf114e58..ef44618ed88a 100644 --- a/drivers/gpu/host1x/dev.h +++ b/drivers/gpu/host1x/dev.h @@ -1,32 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (c) 2012-2013, NVIDIA Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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/>. + * Copyright (c) 2012-2015, NVIDIA Corporation. */ #ifndef HOST1X_DEV_H #define HOST1X_DEV_H -#include <linux/platform_device.h> #include <linux/device.h> +#include <linux/iommu.h> +#include <linux/iova.h> +#include <linux/irqreturn.h> +#include <linux/platform_device.h> +#include <linux/reset.h> +#include "cdma.h" #include "channel.h" -#include "syncpt.h" +#include "context.h" #include "intr.h" -#include "cdma.h" #include "job.h" +#include "syncpt.h" struct host1x_syncpt; +struct host1x_syncpt_base; struct host1x_channel; struct host1x_cdma; struct host1x_job; @@ -44,7 +39,7 @@ struct host1x_cdma_ops { void (*start)(struct host1x_cdma *cdma); void (*stop)(struct host1x_cdma *cdma); void (*flush)(struct host1x_cdma *cdma); - int (*timeout_init)(struct host1x_cdma *cdma, u32 syncpt_id); + int (*timeout_init)(struct host1x_cdma *cdma); void (*timeout_destroy)(struct host1x_cdma *cdma); void (*freeze)(struct host1x_cdma *cdma); void (*resume)(struct host1x_cdma *cdma, u32 getptr); @@ -74,40 +69,84 @@ struct host1x_syncpt_ops { void (*load_wait_base)(struct host1x_syncpt *syncpt); u32 (*load)(struct host1x_syncpt *syncpt); int (*cpu_incr)(struct host1x_syncpt *syncpt); - int (*patch_wait)(struct host1x_syncpt *syncpt, void *patch_addr); + void (*assign_to_channel)(struct host1x_syncpt *syncpt, + struct host1x_channel *channel); + void (*enable_protection)(struct host1x *host); }; struct host1x_intr_ops { - int (*init_host_sync)(struct host1x *host, u32 cpm, - void (*syncpt_thresh_work)(struct work_struct *work)); + int (*init_host_sync)(struct host1x *host, u32 cpm); void (*set_syncpt_threshold)( - struct host1x *host, u32 id, u32 thresh); - void (*enable_syncpt_intr)(struct host1x *host, u32 id); - void (*disable_syncpt_intr)(struct host1x *host, u32 id); + struct host1x *host, unsigned int id, u32 thresh); + void (*enable_syncpt_intr)(struct host1x *host, unsigned int id); + void (*disable_syncpt_intr)(struct host1x *host, unsigned int id); void (*disable_all_syncpt_intrs)(struct host1x *host); int (*free_syncpt_irq)(struct host1x *host); + irqreturn_t (*isr)(int irq, void *dev_id); +}; + +struct host1x_sid_entry { + unsigned int base; + unsigned int offset; + unsigned int limit; +}; + +struct host1x_table_desc { + unsigned int base; + unsigned int count; }; struct host1x_info { - int nb_channels; /* host1x: num channels supported */ - int nb_pts; /* host1x: num syncpoints supported */ - int nb_bases; /* host1x: num syncpoints supported */ - int nb_mlocks; /* host1x: number of mlocks */ - int (*init)(struct host1x *); /* initialize per SoC ops */ - int sync_offset; + unsigned int nb_channels; /* host1x: number of channels supported */ + unsigned int nb_pts; /* host1x: number of syncpoints supported */ + unsigned int nb_bases; /* host1x: number of syncpoint bases supported */ + unsigned int nb_mlocks; /* host1x: number of mlocks supported */ + int (*init)(struct host1x *host1x); /* initialize per SoC ops */ + unsigned int sync_offset; /* offset of syncpoint registers */ + u64 dma_mask; /* mask of addressable memory */ + bool has_wide_gather; /* supports GATHER_W opcode */ + bool has_hypervisor; /* has hypervisor registers */ + bool has_common; /* has common registers separate from hypervisor */ + unsigned int num_sid_entries; + const struct host1x_sid_entry *sid_table; + struct host1x_table_desc streamid_vm_table; + struct host1x_table_desc classid_vm_table; + struct host1x_table_desc mmio_vm_table; + /* + * On T20-T148, the boot chain may setup DC to increment syncpoints + * 26/27 on VBLANK. As such we cannot use these syncpoints until + * the display driver disables VBLANK increments. + */ + bool reserve_vblank_syncpts; + /* + * On Tegra186, secure world applications may require access to + * host1x during suspend/resume. To allow this, we need to leave + * host1x not in reset. + */ + bool skip_reset_assert; }; struct host1x { const struct host1x_info *info; void __iomem *regs; + void __iomem *hv_regs; /* hypervisor region */ + void __iomem *common_regs; + int syncpt_irqs[8]; + int num_syncpt_irqs; struct host1x_syncpt *syncpt; + struct host1x_syncpt_base *bases; struct device *dev; struct clk *clk; + struct reset_control_bulk_data resets[2]; + unsigned int nresets; + + struct iommu_group *group; + struct iommu_domain *domain; + struct iova_domain iova; + dma_addr_t iova_end; struct mutex intr_mutex; - struct workqueue_struct *intr_wq; - int intr_syncpt_irq; const struct host1x_syncpt_ops *syncpt_op; const struct host1x_intr_ops *intr_op; @@ -118,19 +157,32 @@ struct host1x { struct host1x_syncpt *nop_sp; - struct mutex chlist_mutex; - struct host1x_channel chlist; - unsigned long allocated_channels; - unsigned int num_allocated_channels; + struct mutex syncpt_mutex; + + struct host1x_channel_list channel_list; + struct host1x_memory_context_list context_list; struct dentry *debugfs; - void *drm_data; + struct mutex devices_lock; + struct list_head devices; + + struct list_head list; + + struct device_dma_parameters dma_parms; + + struct host1x_bo_cache cache; }; -void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v); +void host1x_common_writel(struct host1x *host1x, u32 v, u32 r); +void host1x_hypervisor_writel(struct host1x *host1x, u32 v, u32 r); +u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r); +void host1x_sync_writel(struct host1x *host1x, u32 v, u32 r); u32 host1x_sync_readl(struct host1x *host1x, u32 r); -void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v); +#ifdef CONFIG_64BIT +u64 host1x_sync_readq(struct host1x *host1x, u32 r); +#endif +void host1x_ch_writel(struct host1x_channel *ch, u32 v, u32 r); u32 host1x_ch_readl(struct host1x_channel *ch, u32 r); static inline void host1x_hw_syncpt_restore(struct host1x *host, @@ -163,33 +215,38 @@ static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host, return host->syncpt_op->cpu_incr(sp); } -static inline int host1x_hw_syncpt_patch_wait(struct host1x *host, - struct host1x_syncpt *sp, - void *patch_addr) +static inline void host1x_hw_syncpt_assign_to_channel( + struct host1x *host, struct host1x_syncpt *sp, + struct host1x_channel *ch) +{ + return host->syncpt_op->assign_to_channel(sp, ch); +} + +static inline void host1x_hw_syncpt_enable_protection(struct host1x *host) { - return host->syncpt_op->patch_wait(sp, patch_addr); + return host->syncpt_op->enable_protection(host); } -static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm, - void (*syncpt_thresh_work)(struct work_struct *)) +static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm) { - return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work); + return host->intr_op->init_host_sync(host, cpm); } static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host, - u32 id, u32 thresh) + unsigned int id, + u32 thresh) { host->intr_op->set_syncpt_threshold(host, id, thresh); } static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host, - u32 id) + unsigned int id) { host->intr_op->enable_syncpt_intr(host, id); } static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host, - u32 id) + unsigned int id) { host->intr_op->disable_syncpt_intr(host, id); } @@ -206,9 +263,9 @@ static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host) static inline int host1x_hw_channel_init(struct host1x *host, struct host1x_channel *channel, - int chid) + unsigned int id) { - return host->channel_op->init(channel, host, chid); + return host->channel_op->init(channel, host, id); } static inline int host1x_hw_channel_submit(struct host1x *host, @@ -236,10 +293,9 @@ static inline void host1x_hw_cdma_flush(struct host1x *host, } static inline int host1x_hw_cdma_timeout_init(struct host1x *host, - struct host1x_cdma *cdma, - u32 syncpt_id) + struct host1x_cdma *cdma) { - return host->cdma_op->timeout_init(cdma, syncpt_id); + return host->cdma_op->timeout_init(cdma); } static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host, @@ -301,8 +357,6 @@ static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o) host->debug_op->show_mlocks(host, o); } -extern struct platform_driver tegra_hdmi_driver; -extern struct platform_driver tegra_dc_driver; -extern struct platform_driver tegra_gr2d_driver; +extern struct platform_driver tegra_mipi_driver; #endif |