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Subject[PATCH 09/20] video: msm: Split out MDP2.2 HW specific code.
Date
Moving MDP2.2 HW specific code allows for reuse of PPP code
when adding other MDP HW versions. Splitting also begins
simplification of mdp_probe function.

Authors:
Dima Zavin <dima@android.com>
Rebecca Schultz Zavin <rebecca@android.com>
Colin Cross <ccross@android.com>

Signed-off-by: Carl Vanderlip <carlv@codeaurora.org>
---
arch/arm/mach-msm/Kconfig | 5 +
drivers/video/msm/Makefile | 4 +-
drivers/video/msm/mdp.c | 14 +-
drivers/video/msm/mdp_ppp.c | 358 ++++----------------
drivers/video/msm/mdp_ppp.h | 12 +
.../video/msm/{mdp_scale_tables.c => mdp_ppp22.c} | 333 ++++++++++++++++++-
drivers/video/msm/mdp_scale_tables.h | 38 --
7 files changed, 417 insertions(+), 347 deletions(-)
rename drivers/video/msm/{mdp_scale_tables.c => mdp_ppp22.c} (69%)
delete mode 100644 drivers/video/msm/mdp_scale_tables.h
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index df9d74e..d6e75c3 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -76,6 +76,11 @@ config HAS_MSM_DEBUG_UART_PHYS
config MSM_VIC
bool

+config MSM_MDP22
+ bool
+ depends on ARCH_MSM7X00A
+ default y
+
menu "Qualcomm MSM Board Type"

config MACH_HALIBUT
diff --git a/drivers/video/msm/Makefile b/drivers/video/msm/Makefile
index 802d6ae..0666aef 100644
--- a/drivers/video/msm/Makefile
+++ b/drivers/video/msm/Makefile
@@ -5,7 +5,9 @@ obj-y := msm_fb.o

# MDP DMA/PPP engine
#
-obj-y += mdp.o mdp_scale_tables.o mdp_ppp.o
+obj-y += mdp.o mdp_ppp.o
+
+obj-$(CONFIG_MSM_MDP22) += mdp_ppp22.o

# MDDI interface
#
diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c
index 765df06..6aa9ed5 100644
--- a/drivers/video/msm/mdp.c
+++ b/drivers/video/msm/mdp.c
@@ -30,6 +30,7 @@
#include <linux/platform_device.h>

#include "mdp_hw.h"
+#include "mdp_ppp.h"

struct class *mdp_class;

@@ -453,7 +454,13 @@ int register_mdp_client(struct class_interface *cint)
}

#include "mdp_csc_table.h"
-#include "mdp_scale_tables.h"
+
+void mdp_hw_init(struct mdp_info *mdp)
+{
+#ifdef CONFIG_MSM_MDP22
+ mdp_ppp_init_scale(mdp);
+#endif
+}

int mdp_probe(struct platform_device *pdev)
{
@@ -551,15 +558,12 @@ int mdp_probe(struct platform_device *pdev)
mdp_writel(mdp, 0, MDP_CMD_DEBUG_ACCESS_BASE + 0x01e0);
mdp_writel(mdp, 0, MDP_CMD_DEBUG_ACCESS_BASE + 0x01e4);

- for (n = 0; n < ARRAY_SIZE(mdp_upscale_table); n++)
- mdp_writel(mdp, mdp_upscale_table[n].val,
- mdp_upscale_table[n].reg);
-
for (n = 0; n < 9; n++)
mdp_writel(mdp, mdp_default_ccs[n], 0x40440 + 4 * n);
mdp_writel(mdp, mdp_default_ccs[9], 0x40500 + 4 * 0);
mdp_writel(mdp, mdp_default_ccs[10], 0x40500 + 4 * 0);
mdp_writel(mdp, mdp_default_ccs[11], 0x40500 + 4 * 0);
+ mdp_hw_init(mdp);

/* register mdp device */
mdp->mdp_dev.dev.parent = &pdev->dev;
diff --git a/drivers/video/msm/mdp_ppp.c b/drivers/video/msm/mdp_ppp.c
index 05f3e33..3d190b9 100644
--- a/drivers/video/msm/mdp_ppp.c
+++ b/drivers/video/msm/mdp_ppp.c
@@ -20,14 +20,14 @@

#include "mdp_hw.h"
#include "mdp_ppp.h"
-#include "mdp_scale_tables.h"

#define DLOG(x...) do {} while (0)

-#define MDP_DOWNSCALE_BLUR (MDP_DOWNSCALE_MAX + 1)
-static int downscale_y_table = MDP_DOWNSCALE_MAX;
-static int downscale_x_table = MDP_DOWNSCALE_MAX;
+#define IMG_LEN(rect_h, w, rect_w, bpp) (((rect_h) * w) * bpp)

+#define Y_TO_CRCB_RATIO(format) \
+ ((format == MDP_Y_CBCR_H2V2 || format == MDP_Y_CRCB_H2V2) ? 2 :\
+ (format == MDP_Y_CBCR_H2V1 || format == MDP_Y_CRCB_H2V1) ? 1 : 1)

static uint32_t pack_pattern[] = {
PPP_ARRAY0(PACK_PATTERN)
@@ -67,6 +67,19 @@ static uint32_t bg_op_chroma[] = {
PPP_ARRAY1(CHROMA_SAMP, BG)
};

+static void set_src_region(struct mdp_img *img, struct mdp_rect *rect,
+ struct ppp_regs *regs)
+{
+ regs->src_rect = (rect->h << 16) | (rect->w & 0x1fff);
+
+}
+
+static inline void set_dst_region(struct mdp_rect *rect, struct ppp_regs *regs)
+{
+ regs->dst_rect = (rect->h << 16) | (rect->w & 0xfff);
+
+}
+
static void rotate_dst_addr_x(struct mdp_blit_req *req,
struct ppp_regs *regs)
{
@@ -181,254 +194,30 @@ static void blit_blend(struct mdp_blit_req *req, struct ppp_regs *regs)
}

regs->op |= bg_op_chroma[req->dst.format];
-}
-
-#define ONE_HALF (1LL << 32)
-#define ONE (1LL << 33)
-#define TWO (2LL << 33)
-#define THREE (3LL << 33)
-#define FRAC_MASK (ONE - 1)
-#define INT_MASK (~FRAC_MASK)
-
-static int scale_params(uint32_t dim_in, uint32_t dim_out, uint32_t origin,
- uint32_t *phase_init, uint32_t *phase_step)
-{
- /* to improve precicsion calculations are done in U31.33 and converted
- * to U3.29 at the end */
- int64_t k1, k2, k3, k4, tmp;
- uint64_t n, d, os, os_p, od, od_p, oreq;
- unsigned rpa = 0;
- int64_t ip64, delta;
-
- if (dim_out % 3 == 0)
- rpa = !(dim_in % (dim_out / 3));
-
- n = ((uint64_t)dim_out) << 34;
- d = dim_in;
- if (!d)
- return -1;
- do_div(n, d);
- k3 = (n + 1) >> 1;
- if ((k3 >> 4) < (1LL << 27) || (k3 >> 4) > (1LL << 31)) {
- DLOG("crap bad scale\n");
- return -1;
- }
- n = ((uint64_t)dim_in) << 34;
- d = (uint64_t)dim_out;
- if (!d)
- return -1;
- do_div(n, d);
- k1 = (n + 1) >> 1;
- k2 = (k1 - ONE) >> 1;
-
- *phase_init = (int)(k2 >> 4);
- k4 = (k3 - ONE) >> 1;
-
- if (rpa) {
- os = ((uint64_t)origin << 33) - ONE_HALF;
- tmp = (dim_out * os) + ONE_HALF;
- if (!dim_in)
- return -1;
- do_div(tmp, dim_in);
- od = tmp - ONE_HALF;
- } else {
- os = ((uint64_t)origin << 1) - 1;
- od = (((k3 * os) >> 1) + k4);
- }
-
- od_p = od & INT_MASK;
- if (od_p != od)
- od_p += ONE;
-
- if (rpa) {
- tmp = (dim_in * od_p) + ONE_HALF;
- if (!dim_in)
- return -1;
- do_div(tmp, dim_in);
- os_p = tmp - ONE_HALF;
- } else {
- os_p = ((k1 * (od_p >> 33)) + k2);
- }
-
- oreq = (os_p & INT_MASK) - ONE;
-
- ip64 = os_p - oreq;
- delta = ((int64_t)(origin) << 33) - oreq;
- ip64 -= delta;
- /* limit to valid range before the left shift */
- delta = (ip64 & (1LL << 63)) ? 4 : -4;
- delta <<= 33;
- while (abs((int)(ip64 >> 33)) > 4)
- ip64 += delta;
- *phase_init = (int)(ip64 >> 4);
- *phase_step = (uint32_t)(k1 >> 4);
- return 0;
-}
-
-static void load_scale_table(const struct mdp_info *mdp,
- struct mdp_table_entry *table, int len)
-{
- int i;
- for (i = 0; i < len; i++)
- mdp_writel(mdp, table[i].val, table[i].reg);
-}
-
-enum {
-IMG_LEFT,
-IMG_RIGHT,
-IMG_TOP,
-IMG_BOTTOM,
-};
-
-static void get_edge_info(uint32_t src, uint32_t src_coord, uint32_t dst,
- uint32_t *interp1, uint32_t *interp2,
- uint32_t *repeat1, uint32_t *repeat2) {
- if (src > 3 * dst) {
- *interp1 = 0;
- *interp2 = src - 1;
- *repeat1 = 0;
- *repeat2 = 0;
- } else if (src == 3 * dst) {
- *interp1 = 0;
- *interp2 = src;
- *repeat1 = 0;
- *repeat2 = 1;
- } else if (src > dst && src < 3 * dst) {
- *interp1 = -1;
- *interp2 = src;
- *repeat1 = 1;
- *repeat2 = 1;
- } else if (src == dst) {
- *interp1 = -1;
- *interp2 = src + 1;
- *repeat1 = 1;
- *repeat2 = 2;
- } else {
- *interp1 = -2;
- *interp2 = src + 1;
- *repeat1 = 2;
- *repeat2 = 2;
- }
- *interp1 += src_coord;
- *interp2 += src_coord;
-}
-
-static int get_edge_cond(struct mdp_blit_req *req, struct ppp_regs *regs)
-{
- int32_t luma_interp[4];
- int32_t luma_repeat[4];
- int32_t chroma_interp[4];
- int32_t chroma_bound[4];
- int32_t chroma_repeat[4];
- uint32_t dst_w, dst_h;
-
- memset(&luma_interp, 0, sizeof(int32_t) * 4);
- memset(&luma_repeat, 0, sizeof(int32_t) * 4);
- memset(&chroma_interp, 0, sizeof(int32_t) * 4);
- memset(&chroma_bound, 0, sizeof(int32_t) * 4);
- memset(&chroma_repeat, 0, sizeof(int32_t) * 4);
- regs->edge = 0;
-
- if (req->flags & MDP_ROT_90) {
- dst_w = req->dst_rect.h;
- dst_h = req->dst_rect.w;
- } else {
- dst_w = req->dst_rect.w;
- dst_h = req->dst_rect.h;
- }
-
- if (regs->op & (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON)) {
- get_edge_info(req->src_rect.h, req->src_rect.y, dst_h,
- &luma_interp[IMG_TOP], &luma_interp[IMG_BOTTOM],
- &luma_repeat[IMG_TOP], &luma_repeat[IMG_BOTTOM]);
- get_edge_info(req->src_rect.w, req->src_rect.x, dst_w,
- &luma_interp[IMG_LEFT], &luma_interp[IMG_RIGHT],
- &luma_repeat[IMG_LEFT], &luma_repeat[IMG_RIGHT]);
- } else {
- luma_interp[IMG_LEFT] = req->src_rect.x;
- luma_interp[IMG_RIGHT] = req->src_rect.x + req->src_rect.w - 1;
- luma_interp[IMG_TOP] = req->src_rect.y;
- luma_interp[IMG_BOTTOM] = req->src_rect.y + req->src_rect.h - 1;
- luma_repeat[IMG_LEFT] = 0;
- luma_repeat[IMG_TOP] = 0;
- luma_repeat[IMG_RIGHT] = 0;
- luma_repeat[IMG_BOTTOM] = 0;
- }
-
- chroma_interp[IMG_LEFT] = luma_interp[IMG_LEFT];
- chroma_interp[IMG_RIGHT] = luma_interp[IMG_RIGHT];
- chroma_interp[IMG_TOP] = luma_interp[IMG_TOP];
- chroma_interp[IMG_BOTTOM] = luma_interp[IMG_BOTTOM];
-
- chroma_bound[IMG_LEFT] = req->src_rect.x;
- chroma_bound[IMG_RIGHT] = req->src_rect.x + req->src_rect.w - 1;
- chroma_bound[IMG_TOP] = req->src_rect.y;
- chroma_bound[IMG_BOTTOM] = req->src_rect.y + req->src_rect.h - 1;
-
- if (IS_YCRCB(req->src.format)) {
- chroma_interp[IMG_LEFT] = chroma_interp[IMG_LEFT] >> 1;
- chroma_interp[IMG_RIGHT] = (chroma_interp[IMG_RIGHT] + 1) >> 1;
-
- chroma_bound[IMG_LEFT] = chroma_bound[IMG_LEFT] >> 1;
- chroma_bound[IMG_RIGHT] = chroma_bound[IMG_RIGHT] >> 1;
- }

- if (req->src.format == MDP_Y_CBCR_H2V2 ||
- req->src.format == MDP_Y_CRCB_H2V2) {
- chroma_interp[IMG_TOP] = (chroma_interp[IMG_TOP] - 1) >> 1;
- chroma_interp[IMG_BOTTOM] = (chroma_interp[IMG_BOTTOM] + 1)
- >> 1;
- chroma_bound[IMG_TOP] = (chroma_bound[IMG_TOP] + 1) >> 1;
- chroma_bound[IMG_BOTTOM] = chroma_bound[IMG_BOTTOM] >> 1;
- }
-
- chroma_repeat[IMG_LEFT] = chroma_bound[IMG_LEFT] -
- chroma_interp[IMG_LEFT];
- chroma_repeat[IMG_RIGHT] = chroma_interp[IMG_RIGHT] -
- chroma_bound[IMG_RIGHT];
- chroma_repeat[IMG_TOP] = chroma_bound[IMG_TOP] -
- chroma_interp[IMG_TOP];
- chroma_repeat[IMG_BOTTOM] = chroma_interp[IMG_BOTTOM] -
- chroma_bound[IMG_BOTTOM];
-
- if (chroma_repeat[IMG_LEFT] < 0 || chroma_repeat[IMG_LEFT] > 3 ||
- chroma_repeat[IMG_RIGHT] < 0 || chroma_repeat[IMG_RIGHT] > 3 ||
- chroma_repeat[IMG_TOP] < 0 || chroma_repeat[IMG_TOP] > 3 ||
- chroma_repeat[IMG_BOTTOM] < 0 || chroma_repeat[IMG_BOTTOM] > 3 ||
- luma_repeat[IMG_LEFT] < 0 || luma_repeat[IMG_LEFT] > 3 ||
- luma_repeat[IMG_RIGHT] < 0 || luma_repeat[IMG_RIGHT] > 3 ||
- luma_repeat[IMG_TOP] < 0 || luma_repeat[IMG_TOP] > 3 ||
- luma_repeat[IMG_BOTTOM] < 0 || luma_repeat[IMG_BOTTOM] > 3)
- return -1;
-
- regs->edge |= (chroma_repeat[IMG_LEFT] & 3) << MDP_LEFT_CHROMA;
- regs->edge |= (chroma_repeat[IMG_RIGHT] & 3) << MDP_RIGHT_CHROMA;
- regs->edge |= (chroma_repeat[IMG_TOP] & 3) << MDP_TOP_CHROMA;
- regs->edge |= (chroma_repeat[IMG_BOTTOM] & 3) << MDP_BOTTOM_CHROMA;
- regs->edge |= (luma_repeat[IMG_LEFT] & 3) << MDP_LEFT_LUMA;
- regs->edge |= (luma_repeat[IMG_RIGHT] & 3) << MDP_RIGHT_LUMA;
- regs->edge |= (luma_repeat[IMG_TOP] & 3) << MDP_TOP_LUMA;
- regs->edge |= (luma_repeat[IMG_BOTTOM] & 3) << MDP_BOTTOM_LUMA;
- return 0;
+ /* since we always blend src + dst -> dst, copy most of the
+ * configuration from dest to bg */
+ regs->bg0 = regs->dst0;
+ regs->bg1 = regs->dst1;
+ regs->bg_cfg = src_img_cfg[req->dst.format];
+ regs->bg_bpp = regs->dst_bpp;
+ regs->bg_pack = pack_pattern[req->dst.format];
+ regs->bg_ystride = regs->dst_ystride;
}

static int blit_scale(const struct mdp_info *mdp, struct mdp_blit_req *req,
struct ppp_regs *regs)
{
- uint32_t phase_init_x, phase_init_y, phase_step_x, phase_step_y;
- uint32_t scale_factor_x, scale_factor_y;
- uint32_t downscale;
- uint32_t dst_w, dst_h;
+ struct mdp_rect dst_rect;

+ memcpy(&dst_rect, &req->dst_rect, sizeof(dst_rect));
if (req->flags & MDP_ROT_90) {
- dst_w = req->dst_rect.h;
- dst_h = req->dst_rect.w;
- } else {
- dst_w = req->dst_rect.w;
- dst_h = req->dst_rect.h;
+ dst_rect.w = req->dst_rect.h;
+ dst_rect.h = req->dst_rect.w;
}
- if ((req->src_rect.w == dst_w) && (req->src_rect.h == dst_h) &&
- !(req->flags & MDP_BLUR)) {
+
+ if ((req->src_rect.w == dst_rect.w) && (req->src_rect.h == dst_rect.h)
+ && !(req->flags & MDP_BLUR)) {
regs->phasex_init = 0;
regs->phasey_init = 0;
regs->phasex_step = 0;
@@ -436,73 +225,35 @@ static int blit_scale(const struct mdp_info *mdp, struct mdp_blit_req *req,
return 0;
}

- if (scale_params(req->src_rect.w, dst_w, 1, &phase_init_x,
- &phase_step_x) ||
- scale_params(req->src_rect.h, dst_h, 1, &phase_init_y,
- &phase_step_y))
+#ifdef CONFIG_MSM_MDP22
+ if (mdp_ppp_cfg_scale(mdp, regs, &req->src_rect, &dst_rect,
+ req->src.format, req->dst.format)) {
+ DLOG("crap, bad scale\n");
return -1;
-
- scale_factor_x = (dst_w * 10) / req->src_rect.w;
- scale_factor_y = (dst_h * 10) / req->src_rect.h;
-
- if (scale_factor_x > 8)
- downscale = MDP_DOWNSCALE_PT8TO1;
- else if (scale_factor_x > 6)
- downscale = MDP_DOWNSCALE_PT6TOPT8;
- else if (scale_factor_x > 4)
- downscale = MDP_DOWNSCALE_PT4TOPT6;
- else
- downscale = MDP_DOWNSCALE_PT2TOPT4;
- if (downscale != downscale_x_table) {
- load_scale_table(mdp, mdp_downscale_x_table[downscale], 64);
- downscale_x_table = downscale;
}
+#endif

- if (scale_factor_y > 8)
- downscale = MDP_DOWNSCALE_PT8TO1;
- else if (scale_factor_y > 6)
- downscale = MDP_DOWNSCALE_PT6TOPT8;
- else if (scale_factor_y > 4)
- downscale = MDP_DOWNSCALE_PT4TOPT6;
- else
- downscale = MDP_DOWNSCALE_PT2TOPT4;
- if (downscale != downscale_y_table) {
- load_scale_table(mdp, mdp_downscale_y_table[downscale], 64);
- downscale_y_table = downscale;
- }
-
- regs->phasex_init = phase_init_x;
- regs->phasey_init = phase_init_y;
- regs->phasex_step = phase_step_x;
- regs->phasey_step = phase_step_y;
regs->op |= (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON);
return 0;
-
}

static void blit_blur(const struct mdp_info *mdp, struct mdp_blit_req *req,
struct ppp_regs *regs)
{
+#ifdef CONFIG_MSM_MDP22
+ int ret;
+#endif
if (!(req->flags & MDP_BLUR))
return;

- if (!(downscale_x_table == MDP_DOWNSCALE_BLUR &&
- downscale_y_table == MDP_DOWNSCALE_BLUR)) {
- load_scale_table(mdp, mdp_gaussian_blur_table, 128);
- downscale_x_table = MDP_DOWNSCALE_BLUR;
- downscale_y_table = MDP_DOWNSCALE_BLUR;
- }
-
+#ifdef CONFIG_MSM_MDP22
+ ret = mdp_ppp_load_blur(mdp);
+ if (ret)
+ return;
+#endif
regs->op |= (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON);
}

-
-#define IMG_LEN(rect_h, w, rect_w, bpp) (((rect_h) * w) * bpp)
-
-#define Y_TO_CRCB_RATIO(format) \
- ((format == MDP_Y_CBCR_H2V2 || format == MDP_Y_CRCB_H2V2) ? 2 :\
- (format == MDP_Y_CBCR_H2V1 || format == MDP_Y_CRCB_H2V1) ? 1 : 1)
-
static void get_len(struct mdp_img *img, struct mdp_rect *rect, uint32_t bpp,
uint32_t *len0, uint32_t *len1)
{
@@ -555,7 +306,6 @@ static int valid_src_dst(unsigned long src_start, unsigned long src_len,
return 1;
}

-
static void flush_imgs(struct mdp_blit_req *req, struct ppp_regs *regs,
struct file *src_file, struct file *dst_file)
{
@@ -643,22 +393,29 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
return -EINVAL;
}

+ if (unlikely(req->src_rect.x + req->src_rect.w > req->src.width ||
+ req->src_rect.y + req->src_rect.h > req->src.height ||
+ req->dst_rect.x + req->dst_rect.w > req->dst.width ||
+ req->dst_rect.y + req->dst_rect.h > req->dst.height)) {
+ printk(KERN_ERR "mdp_ppp: img rect extends outside of img!\n");
+ return -EINVAL;
+ }
+
/* set the src image configuration */
regs.src_cfg = src_img_cfg[req->src.format];
regs.src_cfg |= (req->src_rect.x & 0x1) ? PPP_SRC_BPP_ROI_ODD_X : 0;
regs.src_cfg |= (req->src_rect.y & 0x1) ? PPP_SRC_BPP_ROI_ODD_Y : 0;
- regs.src_rect = (req->src_rect.h << 16) | req->src_rect.w;
regs.src_pack = pack_pattern[req->src.format];

/* set the dest image configuration */
regs.dst_cfg = dst_img_cfg[req->dst.format] | PPP_DST_OUT_SEL_AXI;
- regs.dst_rect = (req->dst_rect.h << 16) | req->dst_rect.w;
regs.dst_pack = pack_pattern[req->dst.format];

/* set src, bpp, start pixel and ystride */
regs.src_bpp = bytes_per_pixel[req->src.format];
regs.src0 = src_start + req->src.offset;
regs.src_ystride = req->src.width * regs.src_bpp;
+ set_src_region(&req->src, &req->src_rect, &regs);
get_chroma_addr(&req->src, &req->src_rect, regs.src0, regs.src_bpp,
regs.src_cfg, &regs.src1, &regs.src_ystride);
regs.src0 += (req->src_rect.x + (req->src_rect.y * req->src.width)) *
@@ -668,6 +425,7 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
regs.dst_bpp = bytes_per_pixel[req->dst.format];
regs.dst0 = dst_start + req->dst.offset;
regs.dst_ystride = req->dst.width * regs.dst_bpp;
+ set_dst_region(&req->dst_rect, &regs);
get_chroma_addr(&req->dst, &req->dst_rect, regs.dst0, regs.dst_bpp,
regs.dst_cfg, &regs.dst1, &regs.dst_ystride);
regs.dst0 += (req->dst_rect.x + (req->dst_rect.y * req->dst.width)) *
@@ -703,9 +461,11 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
req->dst_rect.x = req->dst_rect.x & (~0x1);
req->dst_rect.w = req->dst_rect.w & (~0x1);
}
- if (get_edge_cond(req, &regs))
- return -EINVAL;

+#ifdef CONFIG_MSM_MDP22
+ if (mdp_ppp_cfg_edge_cond(req, &regs))
+ return -EINVAL;
+#endif
send_blit(mdp, req, &regs, src_file, dst_file);
return 0;
}
diff --git a/drivers/video/msm/mdp_ppp.h b/drivers/video/msm/mdp_ppp.h
index ef3b125..c3cd895 100644
--- a/drivers/video/msm/mdp_ppp.h
+++ b/drivers/video/msm/mdp_ppp.h
@@ -47,4 +47,16 @@ struct ppp_regs {
uint32_t bg_ystride;
};

+struct mdp_info;
+struct mdp_rect;
+struct mdp_blit_req;
+
+void mdp_ppp_init_scale(const struct mdp_info *mdp);
+int mdp_ppp_cfg_scale(const struct mdp_info *mdp, struct ppp_regs *regs,
+ struct mdp_rect *src_rect, struct mdp_rect *dst_rect,
+ uint32_t src_format, uint32_t dst_format);
+int mdp_ppp_load_blur(const struct mdp_info *mdp);
+
+int mdp_ppp_cfg_edge_cond(struct mdp_blit_req *req, struct ppp_regs *regs);
+
#endif /* _VIDEO_MSM_MDP_PPP_H_ */
diff --git a/drivers/video/msm/mdp_scale_tables.c b/drivers/video/msm/mdp_ppp22.c
similarity index 69%
rename from drivers/video/msm/mdp_scale_tables.c
rename to drivers/video/msm/mdp_ppp22.c
index 604783b..8cfcff2 100644
--- a/drivers/video/msm/mdp_scale_tables.c
+++ b/drivers/video/msm/mdp_ppp22.c
@@ -1,6 +1,6 @@
-/* drivers/video/msm_fb/mdp_scale_tables.c
+/* drivers/video/msm/mdp_ppp22.c
*
- * Copyright (C) 2007 QUALCOMM Incorporated
+ * Copyright (C) 2007, 2011 Code Aurora Forum. All rights reserved.
* Copyright (C) 2007 Google Incorporated
*
* This software is licensed under the terms of the GNU General Public
@@ -13,10 +13,33 @@
* GNU General Public License for more details.
*/

-#include "mdp_scale_tables.h"
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/msm_mdp.h>
+
#include "mdp_hw.h"
+#include "mdp_ppp.h"
+
+struct mdp_table_entry {
+ uint32_t reg;
+ uint32_t val;
+};
+
+enum {
+ MDP_DOWNSCALE_PT2TOPT4,
+ MDP_DOWNSCALE_PT4TOPT6,
+ MDP_DOWNSCALE_PT6TOPT8,
+ MDP_DOWNSCALE_PT8TO1,
+ MDP_DOWNSCALE_MAX,
+
+ /* not technically in the downscale table list */
+ MDP_DOWNSCALE_BLUR,
+};

-struct mdp_table_entry mdp_upscale_table[] = {
+static int downscale_x_table;
+static int downscale_y_table;
+
+static struct mdp_table_entry mdp_upscale_table[] = {
{ 0x5fffc, 0x0 },
{ 0x50200, 0x7fc00000 },
{ 0x5fffc, 0xff80000d },
@@ -764,3 +787,305 @@ struct mdp_table_entry mdp_gaussian_blur_table[] = {
{ 0x5fffc, 0x20000080 },
{ 0x5037c, 0x20000080 },
};
+
+static void load_table(const struct mdp_info *mdp,
+ struct mdp_table_entry *table, int len)
+{
+ int i;
+ for (i = 0; i < len; i++)
+ mdp_writel(mdp, table[i].val, table[i].reg);
+}
+
+enum {
+ IMG_LEFT,
+ IMG_RIGHT,
+ IMG_TOP,
+ IMG_BOTTOM,
+};
+
+static void get_edge_info(uint32_t src, uint32_t src_coord, uint32_t dst,
+ uint32_t *interp1, uint32_t *interp2,
+ uint32_t *repeat1, uint32_t *repeat2) {
+ if (src > 3 * dst) {
+ *interp1 = 0;
+ *interp2 = src - 1;
+ *repeat1 = 0;
+ *repeat2 = 0;
+ } else if (src == 3 * dst) {
+ *interp1 = 0;
+ *interp2 = src;
+ *repeat1 = 0;
+ *repeat2 = 1;
+ } else if (src > dst && src < 3 * dst) {
+ *interp1 = -1;
+ *interp2 = src;
+ *repeat1 = 1;
+ *repeat2 = 1;
+ } else if (src == dst) {
+ *interp1 = -1;
+ *interp2 = src + 1;
+ *repeat1 = 1;
+ *repeat2 = 2;
+ } else {
+ *interp1 = -2;
+ *interp2 = src + 1;
+ *repeat1 = 2;
+ *repeat2 = 2;
+ }
+ *interp1 += src_coord;
+ *interp2 += src_coord;
+}
+
+int mdp_ppp_cfg_edge_cond(struct mdp_blit_req *req, struct ppp_regs *regs)
+{
+ int32_t luma_interp[4];
+ int32_t luma_repeat[4];
+ int32_t chroma_interp[4];
+ int32_t chroma_bound[4];
+ int32_t chroma_repeat[4];
+ uint32_t dst_w, dst_h;
+
+ memset(&luma_interp, 0, sizeof(int32_t) * 4);
+ memset(&luma_repeat, 0, sizeof(int32_t) * 4);
+ memset(&chroma_interp, 0, sizeof(int32_t) * 4);
+ memset(&chroma_bound, 0, sizeof(int32_t) * 4);
+ memset(&chroma_repeat, 0, sizeof(int32_t) * 4);
+ regs->edge = 0;
+
+ if (req->flags & MDP_ROT_90) {
+ dst_w = req->dst_rect.h;
+ dst_h = req->dst_rect.w;
+ } else {
+ dst_w = req->dst_rect.w;
+ dst_h = req->dst_rect.h;
+ }
+
+ if (regs->op & (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON)) {
+ get_edge_info(req->src_rect.h, req->src_rect.y, dst_h,
+ &luma_interp[IMG_TOP], &luma_interp[IMG_BOTTOM],
+ &luma_repeat[IMG_TOP], &luma_repeat[IMG_BOTTOM]);
+ get_edge_info(req->src_rect.w, req->src_rect.x, dst_w,
+ &luma_interp[IMG_LEFT], &luma_interp[IMG_RIGHT],
+ &luma_repeat[IMG_LEFT], &luma_repeat[IMG_RIGHT]);
+ } else {
+ luma_interp[IMG_LEFT] = req->src_rect.x;
+ luma_interp[IMG_RIGHT] = req->src_rect.x + req->src_rect.w - 1;
+ luma_interp[IMG_TOP] = req->src_rect.y;
+ luma_interp[IMG_BOTTOM] = req->src_rect.y + req->src_rect.h - 1;
+ luma_repeat[IMG_LEFT] = 0;
+ luma_repeat[IMG_TOP] = 0;
+ luma_repeat[IMG_RIGHT] = 0;
+ luma_repeat[IMG_BOTTOM] = 0;
+ }
+
+ chroma_interp[IMG_LEFT] = luma_interp[IMG_LEFT];
+ chroma_interp[IMG_RIGHT] = luma_interp[IMG_RIGHT];
+ chroma_interp[IMG_TOP] = luma_interp[IMG_TOP];
+ chroma_interp[IMG_BOTTOM] = luma_interp[IMG_BOTTOM];
+
+ chroma_bound[IMG_LEFT] = req->src_rect.x;
+ chroma_bound[IMG_RIGHT] = req->src_rect.x + req->src_rect.w - 1;
+ chroma_bound[IMG_TOP] = req->src_rect.y;
+ chroma_bound[IMG_BOTTOM] = req->src_rect.y + req->src_rect.h - 1;
+
+ if (IS_YCRCB(req->src.format)) {
+ chroma_interp[IMG_LEFT] = chroma_interp[IMG_LEFT] >> 1;
+ chroma_interp[IMG_RIGHT] = (chroma_interp[IMG_RIGHT] + 1) >> 1;
+
+ chroma_bound[IMG_LEFT] = chroma_bound[IMG_LEFT] >> 1;
+ chroma_bound[IMG_RIGHT] = chroma_bound[IMG_RIGHT] >> 1;
+ }
+
+ if (req->src.format == MDP_Y_CBCR_H2V2 ||
+ req->src.format == MDP_Y_CRCB_H2V2) {
+ chroma_interp[IMG_TOP] = (chroma_interp[IMG_TOP] - 1) >> 1;
+ chroma_interp[IMG_BOTTOM] = (chroma_interp[IMG_BOTTOM] + 1)
+ >> 1;
+ chroma_bound[IMG_TOP] = (chroma_bound[IMG_TOP] + 1) >> 1;
+ chroma_bound[IMG_BOTTOM] = chroma_bound[IMG_BOTTOM] >> 1;
+ }
+
+ chroma_repeat[IMG_LEFT] = chroma_bound[IMG_LEFT] -
+ chroma_interp[IMG_LEFT];
+ chroma_repeat[IMG_RIGHT] = chroma_interp[IMG_RIGHT] -
+ chroma_bound[IMG_RIGHT];
+ chroma_repeat[IMG_TOP] = chroma_bound[IMG_TOP] -
+ chroma_interp[IMG_TOP];
+ chroma_repeat[IMG_BOTTOM] = chroma_interp[IMG_BOTTOM] -
+ chroma_bound[IMG_BOTTOM];
+
+ if (chroma_repeat[IMG_LEFT] < 0 || chroma_repeat[IMG_LEFT] > 3 ||
+ chroma_repeat[IMG_RIGHT] < 0 || chroma_repeat[IMG_RIGHT] > 3 ||
+ chroma_repeat[IMG_TOP] < 0 || chroma_repeat[IMG_TOP] > 3 ||
+ chroma_repeat[IMG_BOTTOM] < 0 || chroma_repeat[IMG_BOTTOM] > 3 ||
+ luma_repeat[IMG_LEFT] < 0 || luma_repeat[IMG_LEFT] > 3 ||
+ luma_repeat[IMG_RIGHT] < 0 || luma_repeat[IMG_RIGHT] > 3 ||
+ luma_repeat[IMG_TOP] < 0 || luma_repeat[IMG_TOP] > 3 ||
+ luma_repeat[IMG_BOTTOM] < 0 || luma_repeat[IMG_BOTTOM] > 3)
+ return -1;
+
+ regs->edge |= (chroma_repeat[IMG_LEFT] & 3) << MDP_LEFT_CHROMA;
+ regs->edge |= (chroma_repeat[IMG_RIGHT] & 3) << MDP_RIGHT_CHROMA;
+ regs->edge |= (chroma_repeat[IMG_TOP] & 3) << MDP_TOP_CHROMA;
+ regs->edge |= (chroma_repeat[IMG_BOTTOM] & 3) << MDP_BOTTOM_CHROMA;
+ regs->edge |= (luma_repeat[IMG_LEFT] & 3) << MDP_LEFT_LUMA;
+ regs->edge |= (luma_repeat[IMG_RIGHT] & 3) << MDP_RIGHT_LUMA;
+ regs->edge |= (luma_repeat[IMG_TOP] & 3) << MDP_TOP_LUMA;
+ regs->edge |= (luma_repeat[IMG_BOTTOM] & 3) << MDP_BOTTOM_LUMA;
+ return 0;
+}
+
+#define ONE_HALF (1LL << 32)
+#define ONE (1LL << 33)
+#define TWO (2LL << 33)
+#define THREE (3LL << 33)
+#define FRAC_MASK (ONE - 1)
+#define INT_MASK (~FRAC_MASK)
+
+static int scale_params(uint32_t dim_in, uint32_t dim_out, uint32_t origin,
+ uint32_t *phase_init, uint32_t *phase_step)
+{
+ /* to improve precicsion calculations are done in U31.33 and converted
+ * to U3.29 at the end */
+ int64_t k1, k2, k3, k4, tmp;
+ uint64_t n, d, os, os_p, od, od_p, oreq;
+ unsigned rpa = 0;
+ int64_t ip64, delta;
+
+ if (dim_out % 3 == 0)
+ rpa = !(dim_in % (dim_out / 3));
+
+ n = ((uint64_t)dim_out) << 34;
+ d = dim_in;
+ if (!d)
+ return -1;
+ do_div(n, d);
+ k3 = (n + 1) >> 1;
+ if ((k3 >> 4) < (1LL << 27) || (k3 >> 4) > (1LL << 31))
+ return -1;
+
+ n = ((uint64_t)dim_in) << 34;
+ d = (uint64_t)dim_out;
+ if (!d)
+ return -1;
+ do_div(n, d);
+ k1 = (n + 1) >> 1;
+ k2 = (k1 - ONE) >> 1;
+
+ *phase_init = (int)(k2 >> 4);
+ k4 = (k3 - ONE) >> 1;
+
+ if (rpa) {
+ os = ((uint64_t)origin << 33) - ONE_HALF;
+ tmp = (dim_out * os) + ONE_HALF;
+ if (!dim_in)
+ return -1;
+ do_div(tmp, dim_in);
+ od = tmp - ONE_HALF;
+ } else {
+ os = ((uint64_t)origin << 1) - 1;
+ od = (((k3 * os) >> 1) + k4);
+ }
+
+ od_p = od & INT_MASK;
+ if (od_p != od)
+ od_p += ONE;
+
+ if (rpa) {
+ tmp = (dim_in * od_p) + ONE_HALF;
+ if (!dim_in)
+ return -1;
+ do_div(tmp, dim_in);
+ os_p = tmp - ONE_HALF;
+ } else {
+ os_p = ((k1 * (od_p >> 33)) + k2);
+ }
+
+ oreq = (os_p & INT_MASK) - ONE;
+
+ ip64 = os_p - oreq;
+ delta = ((int64_t)(origin) << 33) - oreq;
+ ip64 -= delta;
+ /* limit to valid range before the left shift */
+ delta = (ip64 & (1LL << 63)) ? 4 : -4;
+ delta <<= 33;
+ while (abs((int)(ip64 >> 33)) > 4)
+ ip64 += delta;
+ *phase_init = (int)(ip64 >> 4);
+ *phase_step = (uint32_t)(k1 >> 4);
+ return 0;
+}
+
+int mdp_ppp_cfg_scale(const struct mdp_info *mdp, struct ppp_regs *regs,
+ struct mdp_rect *src_rect, struct mdp_rect *dst_rect,
+ uint32_t src_format, uint32_t dst_format)
+{
+ int downscale;
+ uint32_t phase_init_x, phase_init_y, phase_step_x, phase_step_y;
+ uint32_t scale_factor_x, scale_factor_y;
+
+ if (scale_params(src_rect->w, dst_rect->w, 1, &phase_init_x,
+ &phase_step_x) ||
+ scale_params(src_rect->h, dst_rect->h, 1, &phase_init_y,
+ &phase_step_y))
+ return -1;
+
+ regs->phasex_init = phase_init_x;
+ regs->phasey_init = phase_init_y;
+ regs->phasex_step = phase_step_x;
+ regs->phasey_step = phase_step_y;
+
+ scale_factor_x = (dst_rect->w * 10) / src_rect->w;
+ scale_factor_y = (dst_rect->h * 10) / src_rect->h;
+
+ if (scale_factor_x > 8)
+ downscale = MDP_DOWNSCALE_PT8TO1;
+ else if (scale_factor_x > 6)
+ downscale = MDP_DOWNSCALE_PT6TOPT8;
+ else if (scale_factor_x > 4)
+ downscale = MDP_DOWNSCALE_PT4TOPT6;
+ else
+ downscale = MDP_DOWNSCALE_PT2TOPT4;
+
+ if (downscale != downscale_x_table) {
+ load_table(mdp, mdp_downscale_x_table[downscale], 64);
+ downscale_x_table = downscale;
+ }
+
+ if (scale_factor_y > 8)
+ downscale = MDP_DOWNSCALE_PT8TO1;
+ else if (scale_factor_y > 6)
+ downscale = MDP_DOWNSCALE_PT6TOPT8;
+ else if (scale_factor_y > 4)
+ downscale = MDP_DOWNSCALE_PT4TOPT6;
+ else
+ downscale = MDP_DOWNSCALE_PT2TOPT4;
+
+ if (downscale != downscale_y_table) {
+ load_table(mdp, mdp_downscale_y_table[downscale], 64);
+ downscale_y_table = downscale;
+ }
+
+ return 0;
+}
+
+
+int mdp_ppp_load_blur(const struct mdp_info *mdp)
+{
+ if (!(downscale_x_table == MDP_DOWNSCALE_BLUR &&
+ downscale_y_table == MDP_DOWNSCALE_BLUR)) {
+ load_table(mdp, mdp_gaussian_blur_table, 128);
+ downscale_x_table = MDP_DOWNSCALE_BLUR;
+ downscale_y_table = MDP_DOWNSCALE_BLUR;
+ }
+
+ return 0;
+}
+
+void mdp_ppp_init_scale(const struct mdp_info *mdp)
+{
+ downscale_x_table = MDP_DOWNSCALE_MAX;
+ downscale_y_table = MDP_DOWNSCALE_MAX;
+
+ load_table(mdp, mdp_upscale_table, ARRAY_SIZE(mdp_upscale_table));
+}
diff --git a/drivers/video/msm/mdp_scale_tables.h b/drivers/video/msm/mdp_scale_tables.h
deleted file mode 100644
index 34077b1..0000000
--- a/drivers/video/msm/mdp_scale_tables.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* drivers/video/msm_fb/mdp_scale_tables.h
- *
- * Copyright (C) 2007 QUALCOMM Incorporated
- * Copyright (C) 2007 Google Incorporated
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-#ifndef _MDP_SCALE_TABLES_H_
-#define _MDP_SCALE_TABLES_H_
-
-#include <linux/types.h>
-struct mdp_table_entry {
- uint32_t reg;
- uint32_t val;
-};
-
-extern struct mdp_table_entry mdp_upscale_table[64];
-
-enum {
- MDP_DOWNSCALE_PT2TOPT4,
- MDP_DOWNSCALE_PT4TOPT6,
- MDP_DOWNSCALE_PT6TOPT8,
- MDP_DOWNSCALE_PT8TO1,
- MDP_DOWNSCALE_MAX,
-};
-
-extern struct mdp_table_entry *mdp_downscale_x_table[MDP_DOWNSCALE_MAX];
-extern struct mdp_table_entry *mdp_downscale_y_table[MDP_DOWNSCALE_MAX];
-extern struct mdp_table_entry mdp_gaussian_blur_table[];
-
-#endif
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.


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