// SPDX-License-Identifier: GPL-2.0-only /* * AMD am53c974 driver. * Copyright (c) 2014 Hannes Reinecke, SUSE Linux GmbH */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pci.h> #include <linux/interrupt.h> #include <scsi/scsi_host.h> #include "esp_scsi.h" #define DRV_MODULE_NAME … #define DRV_MODULE_VERSION … static bool am53c974_debug; static bool am53c974_fenab = …; #define esp_dma_log(f, a...) … #define ESP_DMA_CMD … #define ESP_DMA_STC … #define ESP_DMA_SPA … #define ESP_DMA_WBC … #define ESP_DMA_WAC … #define ESP_DMA_STATUS … #define ESP_DMA_SMDLA … #define ESP_DMA_WMAC … #define ESP_DMA_CMD_IDLE … #define ESP_DMA_CMD_BLAST … #define ESP_DMA_CMD_ABORT … #define ESP_DMA_CMD_START … #define ESP_DMA_CMD_MASK … #define ESP_DMA_CMD_DIAG … #define ESP_DMA_CMD_MDL … #define ESP_DMA_CMD_INTE_P … #define ESP_DMA_CMD_INTE_D … #define ESP_DMA_CMD_DIR … #define ESP_DMA_STAT_PWDN … #define ESP_DMA_STAT_ERROR … #define ESP_DMA_STAT_ABORT … #define ESP_DMA_STAT_DONE … #define ESP_DMA_STAT_SCSIINT … #define ESP_DMA_STAT_BCMPLT … /* EEPROM is accessed with 16-bit values */ #define DC390_EEPROM_READ … #define DC390_EEPROM_LEN … /* * DC390 EEPROM * * 8 * 4 bytes of per-device options * followed by HBA specific options */ /* Per-device options */ #define DC390_EE_MODE1 … #define DC390_EE_SPEED … /* HBA-specific options */ #define DC390_EE_ADAPT_SCSI_ID … #define DC390_EE_MODE2 … #define DC390_EE_DELAY … #define DC390_EE_TAG_CMD_NUM … #define DC390_EE_MODE1_PARITY_CHK … #define DC390_EE_MODE1_SYNC_NEGO … #define DC390_EE_MODE1_EN_DISC … #define DC390_EE_MODE1_SEND_START … #define DC390_EE_MODE1_TCQ … #define DC390_EE_MODE2_MORE_2DRV … #define DC390_EE_MODE2_GREATER_1G … #define DC390_EE_MODE2_RST_SCSI_BUS … #define DC390_EE_MODE2_ACTIVE_NEGATION … #define DC390_EE_MODE2_NO_SEEK … #define DC390_EE_MODE2_LUN_CHECK … struct pci_esp_priv { … }; static void pci_esp_dma_drain(struct esp *esp); static inline struct pci_esp_priv *pci_esp_get_priv(struct esp *esp) { … } static void pci_esp_write8(struct esp *esp, u8 val, unsigned long reg) { … } static u8 pci_esp_read8(struct esp *esp, unsigned long reg) { … } static void pci_esp_write32(struct esp *esp, u32 val, unsigned long reg) { … } static int pci_esp_irq_pending(struct esp *esp) { … } static void pci_esp_reset_dma(struct esp *esp) { … } static void pci_esp_dma_drain(struct esp *esp) { … } static void pci_esp_dma_invalidate(struct esp *esp) { … } static int pci_esp_dma_error(struct esp *esp) { … } static void pci_esp_send_dma_cmd(struct esp *esp, u32 addr, u32 esp_count, u32 dma_count, int write, u8 cmd) { … } static u32 pci_esp_dma_length_limit(struct esp *esp, u32 dma_addr, u32 dma_len) { … } static const struct esp_driver_ops pci_esp_ops = …; /* * Read DC-390 eeprom */ static void dc390_eeprom_prepare_read(struct pci_dev *pdev, u8 cmd) { … } static u16 dc390_eeprom_get_data(struct pci_dev *pdev) { … } static void dc390_read_eeprom(struct pci_dev *pdev, u16 *ptr) { … } static void dc390_check_eeprom(struct esp *esp) { … } static int pci_esp_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) { … } static void pci_esp_remove_one(struct pci_dev *pdev) { … } static struct pci_device_id am53c974_pci_tbl[] = …; MODULE_DEVICE_TABLE(pci, am53c974_pci_tbl); static struct pci_driver am53c974_driver = …; module_pci_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…); MODULE_ALIAS(…) …; module_param(am53c974_debug, bool, 0644); MODULE_PARM_DESC(…) …; module_param(am53c974_fenab, bool, 0444); MODULE_PARM_DESC(…) …;
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