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Commit 7d2691da authored by Steve Longerbeam's avatar Steve Longerbeam Committed by Philipp Zabel
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gpu: ipu-v3: Add ipu-cpmem unit 

Move channel parameter memory setup functions and macros into a new
submodule ipu-cpmem. In the process, cleanup arguments to the functions
to take a channel pointer instead of a pointer into cpmem for that
channel. That allows the structure of the parameter memory to be
private to ipu-cpmem.c.
Signed-off-by: default avatarSteve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 7d1311b9
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Showing with 658 additions and 601 deletions
drivers/gpu/ipu-v3/Makefile
View file @ 7d2691da
obj-$(CONFIG_IMX_IPUV3_CORE) += imx-ipu-v3.o
imx-ipu-v3-objs := ipu-common.o ipu-dc.o ipu-di.o ipu-dp.o ipu-dmfc.o ipu-smfc.o
imx-ipu-v3-objs := ipu-common.o ipu-cpmem.o ipu-dc.o ipu-di.o \
ipu-dp.o ipu-dmfc.o ipu-smfc.o
drivers/gpu/ipu-v3/ipu-common.c
View file @ 7d2691da
This diff is collapsed.
drivers/gpu/ipu-v3/ipu-cpmem.c 0 → 100644
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drivers/gpu/ipu-v3/ipu-prv.h
View file @ 7d2691da
......@@ -148,6 +148,7 @@ struct ipuv3_channel {
struct ipu_soc *ipu;
};
struct ipu_cpmem;
struct ipu_dc_priv;
struct ipu_dmfc_priv;
struct ipu_di;
......@@ -164,7 +165,6 @@ struct ipu_soc {
void __iomem *cm_reg;
void __iomem *idmac_reg;
struct ipu_ch_param __iomem *cpmem_base;
int usecount;
......@@ -176,6 +176,7 @@ struct ipu_soc {
int irq_err;
struct irq_domain *domain;
struct ipu_cpmem *cpmem_priv;
struct ipu_dc_priv *dc_priv;
struct ipu_dp_priv *dp_priv;
struct ipu_dmfc_priv *dmfc_priv;
......@@ -183,6 +184,17 @@ struct ipu_soc {
struct ipu_smfc_priv *smfc_priv;
};
static inline u32 ipu_idmac_read(struct ipu_soc *ipu, unsigned offset)
{
return readl(ipu->idmac_reg + offset);
}
static inline void ipu_idmac_write(struct ipu_soc *ipu, u32 value,
unsigned offset)
{
writel(value, ipu->idmac_reg + offset);
}
void ipu_srm_dp_sync_update(struct ipu_soc *ipu);
int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
......
include/video/imx-ipu-v3.h
View file @ 7d2691da
......@@ -107,6 +107,42 @@ void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
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
*/
......@@ -180,161 +216,9 @@ 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);
#define IPU_CPMEM_WORD(word, ofs, size) ((((word) * 160 + (ofs)) << 8) | (size))
#define IPU_FIELD_UBO IPU_CPMEM_WORD(0, 46, 22)
#define IPU_FIELD_VBO IPU_CPMEM_WORD(0, 68, 22)
#define IPU_FIELD_IOX IPU_CPMEM_WORD(0, 90, 4)
#define IPU_FIELD_RDRW IPU_CPMEM_WORD(0, 94, 1)
#define IPU_FIELD_SO IPU_CPMEM_WORD(0, 113, 1)
#define IPU_FIELD_SLY IPU_CPMEM_WORD(1, 102, 14)
#define IPU_FIELD_SLUV IPU_CPMEM_WORD(1, 128, 14)
#define IPU_FIELD_XV IPU_CPMEM_WORD(0, 0, 10)
#define IPU_FIELD_YV IPU_CPMEM_WORD(0, 10, 9)
#define IPU_FIELD_XB IPU_CPMEM_WORD(0, 19, 13)
#define IPU_FIELD_YB IPU_CPMEM_WORD(0, 32, 12)
#define IPU_FIELD_NSB_B IPU_CPMEM_WORD(0, 44, 1)
#define IPU_FIELD_CF IPU_CPMEM_WORD(0, 45, 1)
#define IPU_FIELD_SX IPU_CPMEM_WORD(0, 46, 12)
#define IPU_FIELD_SY IPU_CPMEM_WORD(0, 58, 11)
#define IPU_FIELD_NS IPU_CPMEM_WORD(0, 69, 10)
#define IPU_FIELD_SDX IPU_CPMEM_WORD(0, 79, 7)
#define IPU_FIELD_SM IPU_CPMEM_WORD(0, 86, 10)
#define IPU_FIELD_SCC IPU_CPMEM_WORD(0, 96, 1)
#define IPU_FIELD_SCE IPU_CPMEM_WORD(0, 97, 1)
#define IPU_FIELD_SDY IPU_CPMEM_WORD(0, 98, 7)
#define IPU_FIELD_SDRX IPU_CPMEM_WORD(0, 105, 1)
#define IPU_FIELD_SDRY IPU_CPMEM_WORD(0, 106, 1)
#define IPU_FIELD_BPP IPU_CPMEM_WORD(0, 107, 3)
#define IPU_FIELD_DEC_SEL IPU_CPMEM_WORD(0, 110, 2)
#define IPU_FIELD_DIM IPU_CPMEM_WORD(0, 112, 1)
#define IPU_FIELD_BNDM IPU_CPMEM_WORD(0, 114, 3)
#define IPU_FIELD_BM IPU_CPMEM_WORD(0, 117, 2)
#define IPU_FIELD_ROT IPU_CPMEM_WORD(0, 119, 1)
#define IPU_FIELD_HF IPU_CPMEM_WORD(0, 120, 1)
#define IPU_FIELD_VF IPU_CPMEM_WORD(0, 121, 1)
#define IPU_FIELD_THE IPU_CPMEM_WORD(0, 122, 1)
#define IPU_FIELD_CAP IPU_CPMEM_WORD(0, 123, 1)
#define IPU_FIELD_CAE IPU_CPMEM_WORD(0, 124, 1)
#define IPU_FIELD_FW IPU_CPMEM_WORD(0, 125, 13)
#define IPU_FIELD_FH IPU_CPMEM_WORD(0, 138, 12)
#define IPU_FIELD_EBA0 IPU_CPMEM_WORD(1, 0, 29)
#define IPU_FIELD_EBA1 IPU_CPMEM_WORD(1, 29, 29)
#define IPU_FIELD_ILO IPU_CPMEM_WORD(1, 58, 20)
#define IPU_FIELD_NPB IPU_CPMEM_WORD(1, 78, 7)
#define IPU_FIELD_PFS IPU_CPMEM_WORD(1, 85, 4)
#define IPU_FIELD_ALU IPU_CPMEM_WORD(1, 89, 1)
#define IPU_FIELD_ALBM IPU_CPMEM_WORD(1, 90, 3)
#define IPU_FIELD_ID IPU_CPMEM_WORD(1, 93, 2)
#define IPU_FIELD_TH IPU_CPMEM_WORD(1, 95, 7)
#define IPU_FIELD_SL IPU_CPMEM_WORD(1, 102, 14)
#define IPU_FIELD_WID0 IPU_CPMEM_WORD(1, 116, 3)
#define IPU_FIELD_WID1 IPU_CPMEM_WORD(1, 119, 3)
#define IPU_FIELD_WID2 IPU_CPMEM_WORD(1, 122, 3)
#define IPU_FIELD_WID3 IPU_CPMEM_WORD(1, 125, 3)
#define IPU_FIELD_OFS0 IPU_CPMEM_WORD(1, 128, 5)
#define IPU_FIELD_OFS1 IPU_CPMEM_WORD(1, 133, 5)
#define IPU_FIELD_OFS2 IPU_CPMEM_WORD(1, 138, 5)
#define IPU_FIELD_OFS3 IPU_CPMEM_WORD(1, 143, 5)
#define IPU_FIELD_SXYS IPU_CPMEM_WORD(1, 148, 1)
#define IPU_FIELD_CRE IPU_CPMEM_WORD(1, 149, 1)
#define IPU_FIELD_DEC_SEL2 IPU_CPMEM_WORD(1, 150, 1)
struct ipu_cpmem_word {
u32 data[5];
u32 res[3];
};
struct ipu_ch_param {
struct ipu_cpmem_word word[2];
};
void ipu_ch_param_write_field(struct ipu_ch_param __iomem *base, u32 wbs, u32 v);
u32 ipu_ch_param_read_field(struct ipu_ch_param __iomem *base, u32 wbs);
struct ipu_ch_param __iomem *ipu_get_cpmem(struct ipuv3_channel *channel);
void ipu_ch_param_dump(struct ipu_ch_param __iomem *p);
static inline void ipu_ch_param_zero(struct ipu_ch_param __iomem *p)
{
int i;
void __iomem *base = p;
for (i = 0; i < sizeof(*p) / sizeof(u32); i++)
writel(0, base + i * sizeof(u32));
}
static inline void ipu_cpmem_set_buffer(struct ipu_ch_param __iomem *p,
int bufnum, dma_addr_t buf)
{
if (bufnum)
ipu_ch_param_write_field(p, IPU_FIELD_EBA1, buf >> 3);
else
ipu_ch_param_write_field(p, IPU_FIELD_EBA0, buf >> 3);
}
static inline void ipu_cpmem_set_resolution(struct ipu_ch_param __iomem *p,
int xres, int yres)
{
ipu_ch_param_write_field(p, IPU_FIELD_FW, xres - 1);
ipu_ch_param_write_field(p, IPU_FIELD_FH, yres - 1);
}
static inline void ipu_cpmem_set_stride(struct ipu_ch_param __iomem *p,
int stride)
{
ipu_ch_param_write_field(p, IPU_FIELD_SLY, stride - 1);
}
void ipu_cpmem_set_high_priority(struct ipuv3_channel *channel);
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;
};
int ipu_cpmem_set_format_passthrough(struct ipu_ch_param __iomem *p,
int width);
int ipu_cpmem_set_format_rgb(struct ipu_ch_param __iomem *,
const struct ipu_rgb *rgb);
static inline void ipu_cpmem_interlaced_scan(struct ipu_ch_param *p,
int stride)
{
ipu_ch_param_write_field(p, IPU_FIELD_SO, 1);
ipu_ch_param_write_field(p, IPU_FIELD_ILO, stride / 8);
ipu_ch_param_write_field(p, IPU_FIELD_SLY, (stride * 2) - 1);
};
void ipu_cpmem_set_yuv_planar(struct ipu_ch_param __iomem *p, u32 pixel_format,
int stride, int height);
void ipu_cpmem_set_yuv_interleaved(struct ipu_ch_param __iomem *p,
u32 pixel_format);
void ipu_cpmem_set_yuv_planar_full(struct ipu_ch_param __iomem *p,
u32 pixel_format, int stride, int u_offset, int v_offset);
int ipu_cpmem_set_fmt(struct ipu_ch_param __iomem *cpmem, u32 pixelformat);
int ipu_cpmem_set_image(struct ipu_ch_param __iomem *cpmem,
struct ipu_image *image);
enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
static inline void ipu_cpmem_set_burstsize(struct ipu_ch_param __iomem *p,
int burstsize)
{
ipu_ch_param_write_field(p, IPU_FIELD_NPB, burstsize - 1);
};
struct ipu_client_platformdata {
int csi;
int di;
......
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