| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Sandeep Nair | 1016 | 95.67% | 1 | 10.00% |
| Murali Karicheri | 18 | 1.69% | 2 | 20.00% |
| Vasyl Gomonovych | 15 | 1.41% | 1 | 10.00% |
| Marc Zyngier | 4 | 0.38% | 1 | 10.00% |
| Arnd Bergmann | 2 | 0.19% | 1 | 10.00% |
| Axel Lin | 2 | 0.19% | 1 | 10.00% |
| Colin Ian King | 2 | 0.19% | 1 | 10.00% |
| Thomas Gleixner | 2 | 0.19% | 1 | 10.00% |
| Gustavo A. R. Silva | 1 | 0.09% | 1 | 10.00% |
| Total | 1062 | 10 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Keystone Navigator QMSS driver internal header * * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com * Author: Sandeep Nair <sandeep_n@ti.com> * Cyril Chemparathy <cyril@ti.com> * Santosh Shilimkar <santosh.shilimkar@ti.com> */ #ifndef __KNAV_QMSS_H__ #define __KNAV_QMSS_H__ #include <linux/percpu.h> #define THRESH_GTE BIT(7) #define THRESH_LT 0 #define PDSP_CTRL_PC_MASK 0xffff0000 #define PDSP_CTRL_SOFT_RESET BIT(0) #define PDSP_CTRL_ENABLE BIT(1) #define PDSP_CTRL_RUNNING BIT(15) #define ACC_MAX_CHANNEL 48 #define ACC_DEFAULT_PERIOD 25 /* usecs */ #define ACC_CHANNEL_INT_BASE 2 #define ACC_LIST_ENTRY_TYPE 1 #define ACC_LIST_ENTRY_WORDS (1 << ACC_LIST_ENTRY_TYPE) #define ACC_LIST_ENTRY_QUEUE_IDX 0 #define ACC_LIST_ENTRY_DESC_IDX (ACC_LIST_ENTRY_WORDS - 1) #define ACC_CMD_DISABLE_CHANNEL 0x80 #define ACC_CMD_ENABLE_CHANNEL 0x81 #define ACC_CFG_MULTI_QUEUE BIT(21) #define ACC_INTD_OFFSET_EOI (0x0010) #define ACC_INTD_OFFSET_COUNT(ch) (0x0300 + 4 * (ch)) #define ACC_INTD_OFFSET_STATUS(ch) (0x0200 + 4 * ((ch) / 32)) #define RANGE_MAX_IRQS 64 #define ACC_DESCS_MAX SZ_1K #define ACC_DESCS_MASK (ACC_DESCS_MAX - 1) #define DESC_SIZE_MASK 0xful #define DESC_PTR_MASK (~DESC_SIZE_MASK) #define KNAV_NAME_SIZE 32 enum knav_acc_result { ACC_RET_IDLE, ACC_RET_SUCCESS, ACC_RET_INVALID_COMMAND, ACC_RET_INVALID_CHANNEL, ACC_RET_INACTIVE_CHANNEL, ACC_RET_ACTIVE_CHANNEL, ACC_RET_INVALID_QUEUE, ACC_RET_INVALID_RET, }; struct knav_reg_config { u32 revision; u32 __pad1; u32 divert; u32 link_ram_base0; u32 link_ram_size0; u32 link_ram_base1; u32 __pad2[2]; u32 starvation[]; }; struct knav_reg_region { u32 base; u32 start_index; u32 size_count; u32 __pad; }; struct knav_reg_pdsp_regs { u32 control; u32 status; u32 cycle_count; u32 stall_count; }; struct knav_reg_acc_command { u32 command; u32 queue_mask; u32 list_dma; u32 queue_num; u32 timer_config; }; struct knav_link_ram_block { dma_addr_t dma; void *virt; size_t size; }; struct knav_acc_info { u32 pdsp_id; u32 start_channel; u32 list_entries; u32 pacing_mode; u32 timer_count; int mem_size; int list_size; struct knav_pdsp_info *pdsp; }; struct knav_acc_channel { u32 channel; u32 list_index; u32 open_mask; u32 *list_cpu[2]; dma_addr_t list_dma[2]; char name[KNAV_NAME_SIZE]; atomic_t retrigger_count; }; struct knav_pdsp_info { const char *name; struct knav_reg_pdsp_regs __iomem *regs; union { void __iomem *command; struct knav_reg_acc_command __iomem *acc_command; u32 __iomem *qos_command; }; void __iomem *intd; u32 __iomem *iram; u32 id; struct list_head list; bool loaded; bool started; }; struct knav_qmgr_info { unsigned start_queue; unsigned num_queues; struct knav_reg_config __iomem *reg_config; struct knav_reg_region __iomem *reg_region; struct knav_reg_queue __iomem *reg_push, *reg_pop, *reg_peek; void __iomem *reg_status; struct list_head list; }; #define KNAV_NUM_LINKRAM 2 /** * struct knav_queue_stats: queue statistics * pushes: number of push operations * pops: number of pop operations * push_errors: number of push errors * pop_errors: number of pop errors * notifies: notifier counts */ struct knav_queue_stats { unsigned int pushes; unsigned int pops; unsigned int push_errors; unsigned int pop_errors; unsigned int notifies; }; /** * struct knav_reg_queue: queue registers * @entry_count: valid entries in the queue * @byte_count: total byte count in thhe queue * @packet_size: packet size for the queue * @ptr_size_thresh: packet pointer size threshold */ struct knav_reg_queue { u32 entry_count; u32 byte_count; u32 packet_size; u32 ptr_size_thresh; }; /** * struct knav_region: qmss region info * @dma_start, dma_end: start and end dma address * @virt_start, virt_end: start and end virtual address * @desc_size: descriptor size * @used_desc: consumed descriptors * @id: region number * @num_desc: total descriptors * @link_index: index of the first descriptor * @name: region name * @list: instance in the device's region list * @pools: list of descriptor pools in the region */ struct knav_region { dma_addr_t dma_start, dma_end; void *virt_start, *virt_end; unsigned desc_size; unsigned used_desc; unsigned id; unsigned num_desc; unsigned link_index; const char *name; struct list_head list; struct list_head pools; }; /** * struct knav_pool: qmss pools * @dev: device pointer * @region: qmss region info * @queue: queue registers * @kdev: qmss device pointer * @region_offset: offset from the base * @num_desc: total descriptors * @desc_size: descriptor size * @region_id: region number * @name: pool name * @list: list head * @region_inst: instance in the region's pool list */ struct knav_pool { struct device *dev; struct knav_region *region; struct knav_queue *queue; struct knav_device *kdev; int region_offset; int num_desc; int desc_size; int region_id; const char *name; struct list_head list; struct list_head region_inst; }; /** * struct knav_queue_inst: qmss queue instance properties * @descs: descriptor pointer * @desc_head, desc_tail, desc_count: descriptor counters * @acc: accumulator channel pointer * @kdev: qmss device pointer * @range: range info * @qmgr: queue manager info * @id: queue instance id * @irq_num: irq line number * @notify_needed: notifier needed based on queue type * @num_notifiers: total notifiers * @handles: list head * @name: queue instance name * @irq_name: irq line name */ struct knav_queue_inst { u32 *descs; atomic_t desc_head, desc_tail, desc_count; struct knav_acc_channel *acc; struct knav_device *kdev; struct knav_range_info *range; struct knav_qmgr_info *qmgr; u32 id; int irq_num; int notify_needed; atomic_t num_notifiers; struct list_head handles; const char *name; const char *irq_name; }; /** * struct knav_queue: qmss queue properties * @reg_push, reg_pop, reg_peek: push, pop queue registers * @inst: qmss queue instance properties * @notifier_fn: notifier function * @notifier_fn_arg: notifier function argument * @notifier_enabled: notier enabled for a give queue * @rcu: rcu head * @flags: queue flags * @list: list head */ struct knav_queue { struct knav_reg_queue __iomem *reg_push, *reg_pop, *reg_peek; struct knav_queue_inst *inst; struct knav_queue_stats __percpu *stats; knav_queue_notify_fn notifier_fn; void *notifier_fn_arg; atomic_t notifier_enabled; struct rcu_head rcu; unsigned flags; struct list_head list; }; enum qmss_version { QMSS, QMSS_66AK2G, }; struct knav_device { struct device *dev; unsigned base_id; unsigned num_queues; unsigned num_queues_in_use; unsigned inst_shift; struct knav_link_ram_block link_rams[KNAV_NUM_LINKRAM]; void *instances; struct list_head regions; struct list_head queue_ranges; struct list_head pools; struct list_head pdsps; struct list_head qmgrs; enum qmss_version version; }; struct knav_range_ops { int (*init_range)(struct knav_range_info *range); int (*free_range)(struct knav_range_info *range); int (*init_queue)(struct knav_range_info *range, struct knav_queue_inst *inst); int (*open_queue)(struct knav_range_info *range, struct knav_queue_inst *inst, unsigned flags); int (*close_queue)(struct knav_range_info *range, struct knav_queue_inst *inst); int (*set_notify)(struct knav_range_info *range, struct knav_queue_inst *inst, bool enabled); }; struct knav_irq_info { int irq; struct cpumask *cpu_mask; }; struct knav_range_info { const char *name; struct knav_device *kdev; unsigned queue_base; unsigned num_queues; void *queue_base_inst; unsigned flags; struct list_head list; struct knav_range_ops *ops; struct knav_acc_info acc_info; struct knav_acc_channel *acc; unsigned num_irqs; struct knav_irq_info irqs[RANGE_MAX_IRQS]; }; #define RANGE_RESERVED BIT(0) #define RANGE_HAS_IRQ BIT(1) #define RANGE_HAS_ACCUMULATOR BIT(2) #define RANGE_MULTI_QUEUE BIT(3) #define for_each_region(kdev, region) \ list_for_each_entry(region, &kdev->regions, list) #define first_region(kdev) \ list_first_entry_or_null(&kdev->regions, \ struct knav_region, list) #define for_each_queue_range(kdev, range) \ list_for_each_entry(range, &kdev->queue_ranges, list) #define first_queue_range(kdev) \ list_first_entry_or_null(&kdev->queue_ranges, \ struct knav_range_info, list) #define for_each_pool(kdev, pool) \ list_for_each_entry(pool, &kdev->pools, list) #define for_each_pdsp(kdev, pdsp) \ list_for_each_entry(pdsp, &kdev->pdsps, list) #define for_each_qmgr(kdev, qmgr) \ list_for_each_entry(qmgr, &kdev->qmgrs, list) static inline struct knav_pdsp_info * knav_find_pdsp(struct knav_device *kdev, unsigned pdsp_id) { struct knav_pdsp_info *pdsp; for_each_pdsp(kdev, pdsp) if (pdsp_id == pdsp->id) return pdsp; return NULL; } extern int knav_init_acc_range(struct knav_device *kdev, struct device_node *node, struct knav_range_info *range); extern void knav_queue_notify(struct knav_queue_inst *inst); #endif /* __KNAV_QMSS_H__ */
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