techpack: video: add video driver

Add initial video driver files.

Change-Id: Icd48bbf31e435cf36f149d6c3267cf3a4d7913b3
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>

driver/vidc/inc/msm_vidc_dt.h

@@ -0,0 +1,227 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _MSM_VIDC_DT_H_
+#define _MSM_VIDC_DT_H_
+
+#include <linux/platform_device.h>
+#include <linux/soc/qcom/llcc-qcom.h>
+
+#include "msm_vidc_internal.h"
+
+/*
+ * These are helper macros to iterate over various lists within
+ * msm_vidc_core->dt.  The intention is to cut down on a lot of boiler-plate
+ * code
+ */
+
+/* Read as "for each 'thing' in a set of 'thingies'" */
+#define venus_hfi_for_each_thing(__device, __thing, __thingy) \
+	venus_hfi_for_each_thing_continue(__device, __thing, __thingy, 0)
+
+#define venus_hfi_for_each_thing_reverse(__device, __thing, __thingy) \
+	venus_hfi_for_each_thing_reverse_continue(__device, __thing, __thingy, \
+			(__device)->dt->__thingy##_set.count - 1)
+
+/* TODO: the __from parameter technically not required since we can figure it
+ * out with some pointer magic (i.e. __thing - __thing##_tbl[0]).  If this macro
+ * sees extensive use, probably worth cleaning it up but for now omitting it
+ * since it introduces unnecessary complexity.
+ */
+#define venus_hfi_for_each_thing_continue(__device, __thing, __thingy, __from) \
+	for (__thing = &(__device)->dt->\
+			__thingy##_set.__thingy##_tbl[__from]; \
+		__thing < &(__device)->dt->__thingy##_set.__thingy##_tbl[0] + \
+			((__device)->dt->__thingy##_set.count - __from); \
+		++__thing)
+
+#define venus_hfi_for_each_thing_reverse_continue(__device, __thing, __thingy, \
+		__from) \
+	for (__thing = &(__device)->dt->\
+			__thingy##_set.__thingy##_tbl[__from]; \
+		__thing >= &(__device)->dt->__thingy##_set.__thingy##_tbl[0]; \
+		--__thing)
+
+/* Regular set helpers */
+#define venus_hfi_for_each_regulator(__device, __rinfo) \
+	venus_hfi_for_each_thing(__device, __rinfo, regulator)
+
+#define venus_hfi_for_each_regulator_reverse(__device, __rinfo) \
+	venus_hfi_for_each_thing_reverse(__device, __rinfo, regulator)
+
+#define venus_hfi_for_each_regulator_reverse_continue(__device, __rinfo, \
+		__from) \
+	venus_hfi_for_each_thing_reverse_continue(__device, __rinfo, \
+			regulator, __from)
+
+/* Clock set helpers */
+#define venus_hfi_for_each_clock(__device, __cinfo) \
+	venus_hfi_for_each_thing(__device, __cinfo, clock)
+
+#define venus_hfi_for_each_clock_reverse(__device, __cinfo) \
+	venus_hfi_for_each_thing_reverse(__device, __cinfo, clock)
+
+#define venus_hfi_for_each_clock_reverse_continue(__device, __rinfo, \
+		__from) \
+	venus_hfi_for_each_thing_reverse_continue(__device, __rinfo, \
+			clock, __from)
+
+/* Bus set helpers */
+#define venus_hfi_for_each_bus(__device, __binfo) \
+	venus_hfi_for_each_thing(__device, __binfo, bus)
+#define venus_hfi_for_each_bus_reverse(__device, __binfo) \
+	venus_hfi_for_each_thing_reverse(__device, __binfo, bus)
+
+/* Subcache set helpers */
+#define venus_hfi_for_each_subcache(__device, __sinfo) \
+	venus_hfi_for_each_thing(__device, __sinfo, subcache)
+#define venus_hfi_for_each_subcache_reverse(__device, __sinfo) \
+	venus_hfi_for_each_thing_reverse(__device, __sinfo, subcache)
+
+struct reg_value_pair {
+	u32 reg;
+	u32 value;
+	u32 mask;
+};
+
+struct reg_set {
+	struct reg_value_pair *reg_tbl;
+	u32 count;
+};
+
+struct addr_range {
+	u32 start;
+	u32 size;
+};
+
+struct addr_set {
+	struct addr_range *addr_tbl;
+	u32 count;
+};
+
+struct context_bank_info {
+	struct list_head list;
+	const char *name;
+	u32 buffer_type;
+	bool is_secure;
+	struct addr_range addr_range;
+	struct device *dev;
+	struct iommu_domain *domain;
+};
+
+struct buffer_usage_table {
+	u32 buffer_type;
+	u32 tz_usage;
+};
+
+struct buffer_usage_set {
+	struct buffer_usage_table *buffer_usage_tbl;
+	u32 count;
+};
+
+struct regulator_info {
+	struct regulator *regulator;
+	bool has_hw_power_collapse;
+	char *name;
+};
+
+struct regulator_set {
+	struct regulator_info *regulator_tbl;
+	u32 count;
+};
+
+struct clock_info {
+	const char *name;
+	struct clk *clk;
+	u32 count;
+	bool has_scaling;
+	bool has_mem_retention;
+};
+
+struct clock_set {
+	struct clock_info *clock_tbl;
+	u32 count;
+};
+
+struct bus_info {
+	const char *name;
+	u32 range[2];
+	struct device *dev;
+	struct icc_path *path;
+};
+
+struct bus_set {
+	struct bus_info *bus_tbl;
+	u32 count;
+};
+
+struct reset_info {
+	struct reset_control *rst;
+	const char *name;
+};
+
+struct reset_set {
+	struct reset_info *reset_tbl;
+	u32 count;
+};
+
+struct allowed_clock_rates_table {
+	u32 clock_rate;
+};
+
+struct clock_profile_entry {
+	u32 codec_mask;
+	u32 vpp_cycles;
+	u32 vsp_cycles;
+	u32 low_power_cycles;
+};
+
+struct clock_freq_table {
+	struct clock_profile_entry *clk_prof_entries;
+	u32 count;
+};
+
+struct subcache_info {
+	const char *name;
+	bool isactive;
+	bool isset;
+	struct llcc_slice_desc *subcache;
+};
+
+struct subcache_set {
+	struct subcache_info *subcache_tbl;
+	u32 count;
+};
+
+struct msm_vidc_dt {
+	void *core;
+	phys_addr_t register_base;
+	u32 register_size;
+	u32 irq;
+	u32 sku_version;
+	struct allowed_clock_rates_table *allowed_clks_tbl;
+	u32 allowed_clks_tbl_size;
+	struct clock_freq_table clock_freq_tbl;
+	bool sys_cache_present;
+	bool sys_cache_res_set;
+	struct subcache_set subcache_set;
+	struct reg_set reg_set;
+	struct addr_set qdss_addr_set;
+	struct buffer_usage_set buffer_usage_set;
+	struct regulator_set regulator_set;
+	struct clock_set clock_set;
+	struct bus_set bus_set;
+	struct reset_set reset_set;
+	struct list_head context_banks;
+	struct mutex cb_lock;
+	const char *fw_name;
+	void *fw_cookie;
+};
+
+int msm_vidc_init_dt(struct platform_device *pdev);
+int msm_vidc_read_context_bank_resources_from_dt(struct platform_device *pdev);
+void msm_vidc_deinit_dt(struct platform_device *pdev);
+
+#endif // _MSM_VIDC_DT_H_