diff options
Diffstat (limited to 'drivers/media/platform/ti-vpe/vpdma.h')
| -rw-r--r-- | drivers/media/platform/ti-vpe/vpdma.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/media/platform/ti-vpe/vpdma.h b/drivers/media/platform/ti-vpe/vpdma.h new file mode 100644 index 000000000000..80566892c6cb --- /dev/null +++ b/drivers/media/platform/ti-vpe/vpdma.h @@ -0,0 +1,155 @@ +/* + * Copyright (c) 2013 Texas Instruments Inc. + * + * David Griego, <dagriego@biglakesoftware.com> + * Dale Farnsworth, <dale@farnsworth.org> + * Archit Taneja, <archit@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#ifndef __TI_VPDMA_H_ +#define __TI_VPDMA_H_ + +/* + * A vpdma_buf tracks the size, DMA address and mapping status of each + * driver DMA area. + */ +struct vpdma_buf { + void *addr; + dma_addr_t dma_addr; + size_t size; + bool mapped; +}; + +struct vpdma_desc_list { + struct vpdma_buf buf; + void *next; + int type; +}; + +struct vpdma_data { + void __iomem *base; + + struct platform_device *pdev; + + /* tells whether vpdma firmware is loaded or not */ + bool ready; +}; + +struct vpdma_data_format { + int data_type; + u8 depth; +}; + +#define VPDMA_DESC_ALIGN 16 /* 16-byte descriptor alignment */ + +#define VPDMA_DTD_DESC_SIZE 32 /* 8 words */ +#define VPDMA_CFD_CTD_DESC_SIZE 16 /* 4 words */ + +#define VPDMA_LIST_TYPE_NORMAL 0 +#define VPDMA_LIST_TYPE_SELF_MODIFYING 1 +#define VPDMA_LIST_TYPE_DOORBELL 2 + +enum vpdma_yuv_formats { + VPDMA_DATA_FMT_Y444 = 0, + VPDMA_DATA_FMT_Y422, + VPDMA_DATA_FMT_Y420, + VPDMA_DATA_FMT_C444, + VPDMA_DATA_FMT_C422, + VPDMA_DATA_FMT_C420, + VPDMA_DATA_FMT_YC422, + VPDMA_DATA_FMT_YC444, + VPDMA_DATA_FMT_CY422, +}; + +enum vpdma_rgb_formats { + VPDMA_DATA_FMT_RGB565 = 0, + VPDMA_DATA_FMT_ARGB16_1555, + VPDMA_DATA_FMT_ARGB16, + VPDMA_DATA_FMT_RGBA16_5551, + VPDMA_DATA_FMT_RGBA16, + VPDMA_DATA_FMT_ARGB24, + VPDMA_DATA_FMT_RGB24, + VPDMA_DATA_FMT_ARGB32, + VPDMA_DATA_FMT_RGBA24, + VPDMA_DATA_FMT_RGBA32, + VPDMA_DATA_FMT_BGR565, + VPDMA_DATA_FMT_ABGR16_1555, + VPDMA_DATA_FMT_ABGR16, + VPDMA_DATA_FMT_BGRA16_5551, + VPDMA_DATA_FMT_BGRA16, + VPDMA_DATA_FMT_ABGR24, + VPDMA_DATA_FMT_BGR24, + VPDMA_DATA_FMT_ABGR32, + VPDMA_DATA_FMT_BGRA24, + VPDMA_DATA_FMT_BGRA32, +}; + +enum vpdma_misc_formats { + VPDMA_DATA_FMT_MV = 0, +}; + +extern const struct vpdma_data_format vpdma_yuv_fmts[]; +extern const struct vpdma_data_format vpdma_rgb_fmts[]; +extern const struct vpdma_data_format vpdma_misc_fmts[]; + +enum vpdma_frame_start_event { + VPDMA_FSEVENT_HDMI_FID = 0, + VPDMA_FSEVENT_DVO2_FID, + VPDMA_FSEVENT_HDCOMP_FID, + VPDMA_FSEVENT_SD_FID, + VPDMA_FSEVENT_LM_FID0, + VPDMA_FSEVENT_LM_FID1, + VPDMA_FSEVENT_LM_FID2, + VPDMA_FSEVENT_CHANNEL_ACTIVE, +}; + +/* + * VPDMA channel numbers + */ +enum vpdma_channel { + VPE_CHAN_LUMA1_IN, + VPE_CHAN_CHROMA1_IN, + VPE_CHAN_LUMA2_IN, + VPE_CHAN_CHROMA2_IN, + VPE_CHAN_LUMA3_IN, + VPE_CHAN_CHROMA3_IN, + VPE_CHAN_MV_IN, + VPE_CHAN_MV_OUT, + VPE_CHAN_LUMA_OUT, + VPE_CHAN_CHROMA_OUT, + VPE_CHAN_RGB_OUT, +}; + +/* vpdma descriptor buffer allocation and management */ +int vpdma_alloc_desc_buf(struct vpdma_buf *buf, size_t size); +void vpdma_free_desc_buf(struct vpdma_buf *buf); +int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf); +void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf); + +/* vpdma descriptor list funcs */ +int vpdma_create_desc_list(struct vpdma_desc_list *list, size_t size, int type); +void vpdma_reset_desc_list(struct vpdma_desc_list *list); +void vpdma_free_desc_list(struct vpdma_desc_list *list); +int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list); + +/* vpdma list interrupt management */ +void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int list_num, + bool enable); +void vpdma_clear_list_stat(struct vpdma_data *vpdma); + +/* vpdma client configuration */ +void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode, + enum vpdma_channel chan); +void vpdma_set_frame_start_event(struct vpdma_data *vpdma, + enum vpdma_frame_start_event fs_event, enum vpdma_channel chan); + +void vpdma_dump_regs(struct vpdma_data *vpdma); + +/* initialize vpdma, passed with VPE's platform device pointer */ +struct vpdma_data *vpdma_create(struct platform_device *pdev); + +#endif |
