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/*
* Copyright 2005-2009 Freescale Semiconductor, Inc.
*
* The code contained herein is licensed under the GNU Lesser General
* Public License. You may obtain a copy of the GNU Lesser General
* Public License Version 2.1 or later at the following locations:
*
* http://www.opensource.org/licenses/lgpl-license.html
* http://www.gnu.org/copyleft/lgpl.html
*/
#ifndef __DRM_IPU_H__
#define __DRM_IPU_H__
#include <linux/types.h>
#include <linux/videodev2.h>
#include <linux/bitmap.h>
#include <linux/fb.h>
#include <media/v4l2-mediabus.h>
struct ipu_soc;
enum ipuv3_type {
IPUV3EX,
IPUV3M,
IPUV3H,
};
#define IPU_PIX_FMT_GBR24 v4l2_fourcc('G', 'B', 'R', '3')
/*
* Bitfield of Display Interface signal polarities.
*/
struct ipu_di_signal_cfg {
unsigned datamask_en:1;
unsigned interlaced:1;
unsigned odd_field_first:1;
unsigned clksel_en:1;
unsigned clkidle_en:1;
unsigned data_pol:1; /* true = inverted */
unsigned clk_pol:1; /* true = rising edge */
unsigned enable_pol:1;
unsigned Hsync_pol:1; /* true = active high */
unsigned Vsync_pol:1;
u16 width;
u16 height;
u32 pixel_fmt;
u16 h_start_width;
u16 h_sync_width;
u16 h_end_width;
u16 v_start_width;
u16 v_sync_width;
u16 v_end_width;
u32 v_to_h_sync;
unsigned long pixelclock;
#define IPU_DI_CLKMODE_SYNC (1 << 0)
#define IPU_DI_CLKMODE_EXT (1 << 1)
unsigned long clkflags;
u8 hsync_pin;
u8 vsync_pin;
};
/*
* Enumeration of CSI destinations
*/
enum ipu_csi_dest {
IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
IPU_CSI_DEST_IC, /* to Image Converter */
IPU_CSI_DEST_VDIC, /* to VDIC */
};
enum ipu_color_space {
IPUV3_COLORSPACE_RGB,
IPUV3_COLORSPACE_YUV,
IPUV3_COLORSPACE_UNKNOWN,
};
struct ipuv3_channel;
enum ipu_channel_irq {
IPU_IRQ_EOF = 0,
IPU_IRQ_NFACK = 64,
IPU_IRQ_NFB4EOF = 128,
IPU_IRQ_EOS = 192,
};
int ipu_map_irq(struct ipu_soc *ipu, int irq);
int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
enum ipu_channel_irq irq);
#define IPU_IRQ_DP_SF_START (448 + 2)
#define IPU_IRQ_DP_SF_END (448 + 3)
#define IPU_IRQ_BG_SF_END IPU_IRQ_DP_SF_END,
#define IPU_IRQ_DC_FC_0 (448 + 8)
#define IPU_IRQ_DC_FC_1 (448 + 9)
#define IPU_IRQ_DC_FC_2 (448 + 10)
#define IPU_IRQ_DC_FC_3 (448 + 11)
#define IPU_IRQ_DC_FC_4 (448 + 12)
#define IPU_IRQ_DC_FC_6 (448 + 13)
#define IPU_IRQ_VSYNC_PRE_0 (448 + 14)
#define IPU_IRQ_VSYNC_PRE_1 (448 + 15)
/*
* IPU Common functions
*/
void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
/*
* IPU Image DMA Controller (idmac) functions
*/
struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
void ipu_idmac_put(struct ipuv3_channel *);
int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
bool doublebuffer);
int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
/*
* IPU Channel Parameter Memory (cpmem) functions
*/
struct ipu_rgb {
struct fb_bitfield red;
struct fb_bitfield green;
struct fb_bitfield blue;
struct fb_bitfield transp;
int bits_per_pixel;
};
struct ipu_image {
struct v4l2_pix_format pix;
struct v4l2_rect rect;
dma_addr_t phys;
};
void ipu_cpmem_zero(struct ipuv3_channel *ch);
void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
const struct ipu_rgb *rgb);
int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
u32 pixel_format, int stride,
int u_offset, int v_offset);
void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch,
u32 pixel_format, int stride, int height);
int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
/*
* IPU Display Controller (dc) functions
*/
struct ipu_dc;
struct ipu_di;
struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
void ipu_dc_put(struct ipu_dc *dc);
int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
u32 pixel_fmt, u32 width);
void ipu_dc_enable(struct ipu_soc *ipu);
void ipu_dc_enable_channel(struct ipu_dc *dc);
void ipu_dc_disable_channel(struct ipu_dc *dc);
void ipu_dc_disable(struct ipu_soc *ipu);
/*
* IPU Display Interface (di) functions
*/
struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
void ipu_di_put(struct ipu_di *);
int ipu_di_disable(struct ipu_di *);
int ipu_di_enable(struct ipu_di *);
int ipu_di_get_num(struct ipu_di *);
int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);
/*
* IPU Display Multi FIFO Controller (dmfc) functions
*/
struct dmfc_channel;
int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc,
unsigned long bandwidth_mbs, int burstsize);
void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc);
int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width);
struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
void ipu_dmfc_put(struct dmfc_channel *dmfc);
/*
* IPU Display Processor (dp) functions
*/
#define IPU_DP_FLOW_SYNC_BG 0
#define IPU_DP_FLOW_SYNC_FG 1
#define IPU_DP_FLOW_ASYNC0_BG 2
#define IPU_DP_FLOW_ASYNC0_FG 3
#define IPU_DP_FLOW_ASYNC1_BG 4
#define IPU_DP_FLOW_ASYNC1_FG 5
struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
void ipu_dp_put(struct ipu_dp *);
int ipu_dp_enable(struct ipu_soc *ipu);
int ipu_dp_enable_channel(struct ipu_dp *dp);
void ipu_dp_disable_channel(struct ipu_dp *dp);
void ipu_dp_disable(struct ipu_soc *ipu);
int ipu_dp_setup_channel(struct ipu_dp *dp,
enum ipu_color_space in, enum ipu_color_space out);
int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
bool bg_chan);
/*
* IPU CMOS Sensor Interface (csi) functions
*/
struct ipu_csi;
int ipu_csi_init_interface(struct ipu_csi *csi,
struct v4l2_mbus_config *mbus_cfg,
struct v4l2_mbus_framefmt *mbus_fmt);
bool ipu_csi_is_interlaced(struct ipu_csi *csi);
void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
u32 r_value, u32 g_value, u32 b_value,
u32 pix_clk);
int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
struct v4l2_mbus_framefmt *mbus_fmt);
int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
u32 max_ratio, u32 id);
int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
int ipu_csi_enable(struct ipu_csi *csi);
int ipu_csi_disable(struct ipu_csi *csi);
struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
void ipu_csi_put(struct ipu_csi *csi);
void ipu_csi_dump(struct ipu_csi *csi);
/*
* IPU Sensor Multiple FIFO Controller (SMFC) functions
*/
int ipu_smfc_enable(struct ipu_soc *ipu);
int ipu_smfc_disable(struct ipu_soc *ipu);
int ipu_smfc_map_channel(struct ipu_soc *ipu, int channel, int csi_id, int mipi_id);
int ipu_smfc_set_burstsize(struct ipu_soc *ipu, int channel, int burstsize);
enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
struct ipu_client_platformdata {
int csi;
int di;
int dc;
int dp;
int dmfc;
int dma[2];
};
#endif /* __DRM_IPU_H__ */
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