// SPDX-License-Identifier: GPL-2.0-or-later /* * netup_unidvb_core.c * * Main module for NetUP Universal Dual DVB-CI * * Copyright (C) 2014 NetUP Inc. * Copyright (C) 2014 Sergey Kozlov <[email protected]> * Copyright (C) 2014 Abylay Ospan <[email protected]> */ #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kmod.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/list.h> #include <media/videobuf2-v4l2.h> #include <media/videobuf2-vmalloc.h> #include "netup_unidvb.h" #include "cxd2841er.h" #include "horus3a.h" #include "ascot2e.h" #include "helene.h" #include "lnbh25.h" static int spi_enable; module_param(spi_enable, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_VERSION(…); MODULE_LICENSE(…) …; DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); /* Avalon-MM PCI-E registers */ #define AVL_PCIE_IENR … #define AVL_PCIE_ISR … #define AVL_IRQ_ENABLE … #define AVL_IRQ_ASSERTED … /* GPIO registers */ #define GPIO_REG_IO … #define GPIO_REG_IO_TOGGLE … #define GPIO_REG_IO_SET … #define GPIO_REG_IO_CLEAR … /* GPIO bits */ #define GPIO_FEA_RESET … #define GPIO_FEB_RESET … #define GPIO_RFA_CTL … #define GPIO_RFB_CTL … #define GPIO_FEA_TU_RESET … #define GPIO_FEB_TU_RESET … /* DMA base address */ #define NETUP_DMA0_ADDR … #define NETUP_DMA1_ADDR … /* 8 DMA blocks * 128 packets * 188 bytes*/ #define NETUP_DMA_BLOCKS_COUNT … #define NETUP_DMA_PACKETS_COUNT … /* DMA status bits */ #define BIT_DMA_RUN … #define BIT_DMA_ERROR … #define BIT_DMA_IRQ … /** * struct netup_dma_regs - the map of DMA module registers * @ctrlstat_set: Control register, write to set control bits * @ctrlstat_clear: Control register, write to clear control bits * @start_addr_lo: DMA ring buffer start address, lower part * @start_addr_hi: DMA ring buffer start address, higher part * @size: DMA ring buffer size register * * Bits [0-7]: DMA packet size, 188 bytes * * Bits [16-23]: packets count in block, 128 packets * * Bits [24-31]: blocks count, 8 blocks * @timeout: DMA timeout in units of 8ns * For example, value of 375000000 equals to 3 sec * @curr_addr_lo: Current ring buffer head address, lower part * @curr_addr_hi: Current ring buffer head address, higher part * @stat_pkt_received: Statistic register, not tested * @stat_pkt_accepted: Statistic register, not tested * @stat_pkt_overruns: Statistic register, not tested * @stat_pkt_underruns: Statistic register, not tested * @stat_fifo_overruns: Statistic register, not tested */ struct netup_dma_regs { … } __packed __aligned(…); struct netup_unidvb_buffer { … }; static int netup_unidvb_tuner_ctrl(void *priv, int is_dvb_tc); static void netup_unidvb_queue_cleanup(struct netup_dma *dma); static struct cxd2841er_config demod_config = …; static struct horus3a_config horus3a_conf = …; static struct ascot2e_config ascot2e_conf = …; static struct helene_config helene_conf = …; static struct lnbh25_config lnbh25_conf = …; static int netup_unidvb_tuner_ctrl(void *priv, int is_dvb_tc) { … } static void netup_unidvb_dev_enable(struct netup_unidvb_dev *ndev) { … } static void netup_unidvb_dma_enable(struct netup_dma *dma, int enable) { … } static irqreturn_t netup_dma_interrupt(struct netup_dma *dma) { … } static irqreturn_t netup_unidvb_isr(int irq, void *dev_id) { … } static int netup_unidvb_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { … } static int netup_unidvb_buf_prepare(struct vb2_buffer *vb) { … } static void netup_unidvb_buf_queue(struct vb2_buffer *vb) { … } static int netup_unidvb_start_streaming(struct vb2_queue *q, unsigned int count) { … } static void netup_unidvb_stop_streaming(struct vb2_queue *q) { … } static const struct vb2_ops dvb_qops = …; static int netup_unidvb_queue_init(struct netup_dma *dma, struct vb2_queue *vb_queue) { … } static int netup_unidvb_dvb_init(struct netup_unidvb_dev *ndev, int num) { … } static void netup_unidvb_dvb_fini(struct netup_unidvb_dev *ndev, int num) { … } static int netup_unidvb_dvb_setup(struct netup_unidvb_dev *ndev) { … } static int netup_unidvb_ring_copy(struct netup_dma *dma, struct netup_unidvb_buffer *buf) { … } static void netup_unidvb_dma_worker(struct work_struct *work) { … } static void netup_unidvb_queue_cleanup(struct netup_dma *dma) { … } static void netup_unidvb_dma_timeout(struct timer_list *t) { … } static int netup_unidvb_dma_init(struct netup_unidvb_dev *ndev, int num) { … } static void netup_unidvb_dma_fini(struct netup_unidvb_dev *ndev, int num) { … } static int netup_unidvb_dma_setup(struct netup_unidvb_dev *ndev) { … } static int netup_unidvb_ci_setup(struct netup_unidvb_dev *ndev, struct pci_dev *pci_dev) { … } static int netup_unidvb_request_mmio(struct pci_dev *pci_dev) { … } static int netup_unidvb_request_modules(struct device *dev) { … } static int netup_unidvb_initdev(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { … } static void netup_unidvb_finidev(struct pci_dev *pci_dev) { … } static const struct pci_device_id netup_unidvb_pci_tbl[] = …; MODULE_DEVICE_TABLE(pci, netup_unidvb_pci_tbl); static struct pci_driver netup_unidvb_pci_driver = …; module_pci_driver(…) …;
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