diff options
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/dma-iop32x.h | 110 | ||||
| -rw-r--r-- | include/linux/platform_data/gpio-htc-egpio.h | 3 | ||||
| -rw-r--r-- | include/linux/platform_data/iommu-omap.h | 4 | ||||
| -rw-r--r-- | include/linux/platform_data/spi-nuc900.h | 29 | ||||
| -rw-r--r-- | include/linux/platform_data/video-nuc900fb.h | 79 |
5 files changed, 114 insertions, 111 deletions
diff --git a/include/linux/platform_data/dma-iop32x.h b/include/linux/platform_data/dma-iop32x.h new file mode 100644 index 000000000000..ac83cff89549 --- /dev/null +++ b/include/linux/platform_data/dma-iop32x.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright © 2006, Intel Corporation. + */ +#ifndef IOP_ADMA_H +#define IOP_ADMA_H +#include <linux/types.h> +#include <linux/dmaengine.h> +#include <linux/interrupt.h> + +#define IOP_ADMA_SLOT_SIZE 32 +#define IOP_ADMA_THRESHOLD 4 +#ifdef DEBUG +#define IOP_PARANOIA 1 +#else +#define IOP_PARANOIA 0 +#endif +#define iop_paranoia(x) BUG_ON(IOP_PARANOIA && (x)) + +#define DMA0_ID 0 +#define DMA1_ID 1 +#define AAU_ID 2 + +/** + * struct iop_adma_device - internal representation of an ADMA device + * @pdev: Platform device + * @id: HW ADMA Device selector + * @dma_desc_pool: base of DMA descriptor region (DMA address) + * @dma_desc_pool_virt: base of DMA descriptor region (CPU address) + * @common: embedded struct dma_device + */ +struct iop_adma_device { + struct platform_device *pdev; + int id; + dma_addr_t dma_desc_pool; + void *dma_desc_pool_virt; + struct dma_device common; +}; + +/** + * struct iop_adma_chan - internal representation of an ADMA device + * @pending: allows batching of hardware operations + * @lock: serializes enqueue/dequeue operations to the slot pool + * @mmr_base: memory mapped register base + * @chain: device chain view of the descriptors + * @device: parent device + * @common: common dmaengine channel object members + * @last_used: place holder for allocation to continue from where it left off + * @all_slots: complete domain of slots usable by the channel + * @slots_allocated: records the actual size of the descriptor slot pool + * @irq_tasklet: bottom half where iop_adma_slot_cleanup runs + */ +struct iop_adma_chan { + int pending; + spinlock_t lock; /* protects the descriptor slot pool */ + void __iomem *mmr_base; + struct list_head chain; + struct iop_adma_device *device; + struct dma_chan common; + struct iop_adma_desc_slot *last_used; + struct list_head all_slots; + int slots_allocated; + struct tasklet_struct irq_tasklet; +}; + +/** + * struct iop_adma_desc_slot - IOP-ADMA software descriptor + * @slot_node: node on the iop_adma_chan.all_slots list + * @chain_node: node on the op_adma_chan.chain list + * @hw_desc: virtual address of the hardware descriptor chain + * @phys: hardware address of the hardware descriptor chain + * @group_head: first operation in a transaction + * @slot_cnt: total slots used in an transaction (group of operations) + * @slots_per_op: number of slots per operation + * @idx: pool index + * @tx_list: list of descriptors that are associated with one operation + * @async_tx: support for the async_tx api + * @group_list: list of slots that make up a multi-descriptor transaction + * for example transfer lengths larger than the supported hw max + * @xor_check_result: result of zero sum + * @crc32_result: result crc calculation + */ +struct iop_adma_desc_slot { + struct list_head slot_node; + struct list_head chain_node; + void *hw_desc; + struct iop_adma_desc_slot *group_head; + u16 slot_cnt; + u16 slots_per_op; + u16 idx; + struct list_head tx_list; + struct dma_async_tx_descriptor async_tx; + union { + u32 *xor_check_result; + u32 *crc32_result; + u32 *pq_check_result; + }; +}; + +struct iop_adma_platform_data { + int hw_id; + dma_cap_mask_t cap_mask; + size_t pool_size; +}; + +#define to_iop_sw_desc(addr_hw_desc) \ + container_of(addr_hw_desc, struct iop_adma_desc_slot, hw_desc) +#define iop_hw_desc_slot_idx(hw_desc, idx) \ + ( (void *) (((unsigned long) hw_desc) + ((idx) << 5)) ) +#endif diff --git a/include/linux/platform_data/gpio-htc-egpio.h b/include/linux/platform_data/gpio-htc-egpio.h index 9a3e78082883..eaefba0b6465 100644 --- a/include/linux/platform_data/gpio-htc-egpio.h +++ b/include/linux/platform_data/gpio-htc-egpio.h @@ -50,7 +50,4 @@ struct htc_egpio_platform_data { int num_chips; }; -/* Determine the wakeup irq, to be called during early resume */ -extern int htc_egpio_get_wakeup_irq(struct device *dev); - #endif diff --git a/include/linux/platform_data/iommu-omap.h b/include/linux/platform_data/iommu-omap.h index 44d913a7580c..8474a0208b34 100644 --- a/include/linux/platform_data/iommu-omap.h +++ b/include/linux/platform_data/iommu-omap.h @@ -13,4 +13,8 @@ struct iommu_platform_data { const char *reset_name; int (*assert_reset)(struct platform_device *pdev, const char *name); int (*deassert_reset)(struct platform_device *pdev, const char *name); + int (*device_enable)(struct platform_device *pdev); + int (*device_idle)(struct platform_device *pdev); + int (*set_pwrdm_constraint)(struct platform_device *pdev, bool request, + u8 *pwrst); }; diff --git a/include/linux/platform_data/spi-nuc900.h b/include/linux/platform_data/spi-nuc900.h deleted file mode 100644 index ca3510877000..000000000000 --- a/include/linux/platform_data/spi-nuc900.h +++ /dev/null @@ -1,29 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (c) 2009 Nuvoton technology corporation. - * - * Wan ZongShun <mcuos.com@gmail.com> - */ - -#ifndef __SPI_NUC900_H -#define __SPI_NUC900_H - -extern void mfp_set_groupg(struct device *dev, const char *subname); - -struct nuc900_spi_info { - unsigned int num_cs; - unsigned int lsb; - unsigned int txneg; - unsigned int rxneg; - unsigned int divider; - unsigned int sleep; - unsigned int txnum; - unsigned int txbitlen; - int bus_num; -}; - -struct nuc900_spi_chip { - unsigned char bits_per_word; -}; - -#endif /* __SPI_NUC900_H */ diff --git a/include/linux/platform_data/video-nuc900fb.h b/include/linux/platform_data/video-nuc900fb.h deleted file mode 100644 index 3da504460c91..000000000000 --- a/include/linux/platform_data/video-nuc900fb.h +++ /dev/null @@ -1,79 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* linux/include/asm/arch-nuc900/fb.h - * - * Copyright (c) 2008 Nuvoton technology corporation - * All rights reserved. - * - * Changelog: - * - * 2008/08/26 vincen.zswan modify this file for LCD. - */ - -#ifndef __ASM_ARM_FB_H -#define __ASM_ARM_FB_H - - - -/* LCD Controller Hardware Desc */ -struct nuc900fb_hw { - unsigned int lcd_dccs; - unsigned int lcd_device_ctrl; - unsigned int lcd_mpulcd_cmd; - unsigned int lcd_int_cs; - unsigned int lcd_crtc_size; - unsigned int lcd_crtc_dend; - unsigned int lcd_crtc_hr; - unsigned int lcd_crtc_hsync; - unsigned int lcd_crtc_vr; - unsigned int lcd_va_baddr0; - unsigned int lcd_va_baddr1; - unsigned int lcd_va_fbctrl; - unsigned int lcd_va_scale; - unsigned int lcd_va_test; - unsigned int lcd_va_win; - unsigned int lcd_va_stuff; -}; - -/* LCD Display Description */ -struct nuc900fb_display { - /* LCD Image type */ - unsigned type; - - /* LCD Screen Size */ - unsigned short width; - unsigned short height; - - /* LCD Screen Info */ - unsigned short xres; - unsigned short yres; - unsigned short bpp; - - unsigned long pixclock; - unsigned short left_margin; - unsigned short right_margin; - unsigned short hsync_len; - unsigned short upper_margin; - unsigned short lower_margin; - unsigned short vsync_len; - - /* hardware special register value */ - unsigned int dccs; - unsigned int devctl; - unsigned int fbctrl; - unsigned int scale; -}; - -struct nuc900fb_mach_info { - struct nuc900fb_display *displays; - unsigned num_displays; - unsigned default_display; - /* GPIO Setting Info */ - unsigned gpio_dir; - unsigned gpio_dir_mask; - unsigned gpio_data; - unsigned gpio_data_mask; -}; - -extern void __init nuc900_fb_set_platdata(struct nuc900fb_mach_info *); - -#endif /* __ASM_ARM_FB_H */ |
