mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-12 17:02:05 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24914 3c298f89-4303-0410-b956-a3cf2f4a3e73
1214 lines
31 KiB
Diff
1214 lines
31 KiB
Diff
From 057f6f13cff319e9f2fff39736371e95ff5ac47b Mon Sep 17 00:00:00 2001
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From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Wed, 12 May 2010 14:24:46 +0200
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Subject: [PATCH 1/5] metronome patches
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---
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drivers/video/metronomefb.c | 788 +++++++++++++++++++++++++++++++++++++------
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include/video/metronomefb.h | 33 ++-
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2 files changed, 710 insertions(+), 111 deletions(-)
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--- a/drivers/video/metronomefb.c
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+++ b/drivers/video/metronomefb.c
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@@ -18,11 +18,13 @@
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* is provided as am200epd.c
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*
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*/
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+
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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+#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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@@ -34,16 +36,25 @@
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#include <linux/dma-mapping.h>
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#include <linux/uaccess.h>
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#include <linux/irq.h>
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+#include <linux/ctype.h>
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#include <video/metronomefb.h>
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#include <asm/unaligned.h>
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-/* Display specific information */
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-#define DPY_W 832
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-#define DPY_H 622
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+/*
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+ * 12 is ok to avoid refreshing whole screen while small elements are changed,
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+ * while forcing full refresh if largish dialog boxes or menus are
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+ * shown/dismissed.
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+ */
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+#define DEFAULT_MANUAL_REFRESH_THRESHOLD 12
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+
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+#define WF_MODE_INIT 0 /* Initialization */
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+#define WF_MODE_MU 1 /* Monochrome update */
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+#define WF_MODE_GU 2 /* Grayscale update */
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+#define WF_MODE_GC 3 /* Grayscale clearing */
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-static int user_wfm_size;
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+static int temp = 25;
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/* frame differs from image. frame includes non-visible pixels */
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struct epd_frame {
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@@ -53,7 +64,7 @@ struct epd_frame {
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int wfm_size;
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};
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-static struct epd_frame epd_frame_table[] = {
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+static const struct epd_frame epd_frame_table[] = {
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{
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.fw = 832,
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.fh = 622,
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@@ -97,24 +108,40 @@ static struct epd_frame epd_frame_table[
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},
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.wfm_size = 46770,
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},
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+ {
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+ .fw = 800,
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+ .fh = 600,
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+ .config = {
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+ 15 /* sdlew */
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+ | 2 << 8 /* sdosz */
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+ | 0 << 11 /* sdor */
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+ | 0 << 12 /* sdces */
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+ | 0 << 15, /* sdcer */
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+ 42 /* gdspl */
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+ | 1 << 8 /* gdr1 */
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+ | 1 << 9 /* sdshr */
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+ | 0 << 15, /* gdspp */
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+ 18 /* gdspw */
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+ | 0 << 15, /* dispc */
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+ 599 /* vdlc */
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+ | 0 << 11 /* dsi */
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+ | 0 << 12, /* dsic */
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+ },
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+ .wfm_size = 46901,
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+ },
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};
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-static struct fb_fix_screeninfo metronomefb_fix __devinitdata = {
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+static const struct fb_fix_screeninfo metronomefb_fix __devinitconst = {
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.id = "metronomefb",
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.type = FB_TYPE_PACKED_PIXELS,
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.visual = FB_VISUAL_STATIC_PSEUDOCOLOR,
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.xpanstep = 0,
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.ypanstep = 0,
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.ywrapstep = 0,
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- .line_length = DPY_W,
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.accel = FB_ACCEL_NONE,
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};
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-static struct fb_var_screeninfo metronomefb_var __devinitdata = {
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- .xres = DPY_W,
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- .yres = DPY_H,
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- .xres_virtual = DPY_W,
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- .yres_virtual = DPY_H,
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+static const struct fb_var_screeninfo metronomefb_var __devinitconst = {
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.bits_per_pixel = 8,
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.grayscale = 1,
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.nonstd = 1,
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@@ -167,7 +194,7 @@ static u16 calc_img_cksum(u16 *start, in
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}
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/* here we decode the incoming waveform file and populate metromem */
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-static int __devinit load_waveform(u8 *mem, size_t size, int m, int t,
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+static int load_waveform(u8 *mem, size_t size, int m, int t,
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struct metronomefb_par *par)
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{
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int tta;
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@@ -181,16 +208,12 @@ static int __devinit load_waveform(u8 *m
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int mem_idx = 0;
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struct waveform_hdr *wfm_hdr;
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u8 *metromem = par->metromem_wfm;
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- struct device *dev = par->info->dev;
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+ struct device *dev = &par->pdev->dev;
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+ u8 mc, trc;
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+ u16 *p;
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+ u16 img_cksum;
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- if (user_wfm_size)
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- epd_frame_table[par->dt].wfm_size = user_wfm_size;
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-
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- if (size != epd_frame_table[par->dt].wfm_size) {
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- dev_err(dev, "Error: unexpected size %Zd != %d\n", size,
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- epd_frame_table[par->dt].wfm_size);
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- return -EINVAL;
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- }
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+ dev_dbg(dev, "Loading waveforms, mode %d, temperature %d\n", m, t);
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wfm_hdr = (struct waveform_hdr *) mem;
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@@ -208,8 +231,9 @@ static int __devinit load_waveform(u8 *m
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wfm_hdr->wfm_cs);
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return -EINVAL;
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}
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- wfm_hdr->mc += 1;
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- wfm_hdr->trc += 1;
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+ mc = wfm_hdr->mc + 1;
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+ trc = wfm_hdr->trc + 1;
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+
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for (i = 0; i < 5; i++) {
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if (*(wfm_hdr->stuff2a + i) != 0) {
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dev_err(dev, "Error: unexpected value in padding\n");
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@@ -221,10 +245,10 @@ static int __devinit load_waveform(u8 *m
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the waveform. presumably selecting the right one for the
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desired temperature. it works out the offset of the first
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v that exceeds the specified temperature */
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- if ((sizeof(*wfm_hdr) + wfm_hdr->trc) > size)
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+ if ((sizeof(*wfm_hdr) + trc) > size)
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return -EINVAL;
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- for (i = sizeof(*wfm_hdr); i <= sizeof(*wfm_hdr) + wfm_hdr->trc; i++) {
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+ for (i = sizeof(*wfm_hdr); i <= sizeof(*wfm_hdr) + trc; i++) {
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if (mem[i] > t) {
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trn = i - sizeof(*wfm_hdr) - 1;
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break;
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@@ -232,7 +256,7 @@ static int __devinit load_waveform(u8 *m
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}
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/* check temperature range table checksum */
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- cksum_idx = sizeof(*wfm_hdr) + wfm_hdr->trc + 1;
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+ cksum_idx = sizeof(*wfm_hdr) + trc + 1;
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if (cksum_idx > size)
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return -EINVAL;
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cksum = calc_cksum(sizeof(*wfm_hdr), cksum_idx, mem);
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@@ -294,6 +318,7 @@ static int __devinit load_waveform(u8 *m
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cksum_idx = wfm_idx;
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if (cksum_idx > size)
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return -EINVAL;
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+ dev_dbg(dev, "mem_idx = %u\n", mem_idx);
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cksum = calc_cksum(owfm_idx, cksum_idx, mem);
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if (cksum != mem[cksum_idx]) {
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dev_err(dev, "Error: bad waveform data cksum"
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@@ -302,16 +327,47 @@ static int __devinit load_waveform(u8 *m
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}
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par->frame_count = (mem_idx/64);
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+ p = (u16 *)par->metromem_wfm;
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+ img_cksum = calc_img_cksum(p, 16384 / 2);
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+ p[16384 / 2] = __cpu_to_le16(img_cksum);
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+
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+ par->current_wf_mode = m;
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+ par->current_wf_temp = t;
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+
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return 0;
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}
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+static int check_err(struct metronomefb_par *par)
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+{
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+ int res;
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+
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+ res = par->board->get_err(par);
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+ dev_dbg(&par->pdev->dev, "ERR = %d\n", res);
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+ return res;
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+}
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+
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+static inline int wait_for_rdy(struct metronomefb_par *par)
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+{
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+ int res = 0;
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+
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+ if (!par->board->get_rdy(par))
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+ res = par->board->met_wait_event_intr(par);
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+
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+ return res;
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+}
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+
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static int metronome_display_cmd(struct metronomefb_par *par)
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{
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int i;
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u16 cs;
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u16 opcode;
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- static u8 borderval;
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+ int res;
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+ res = wait_for_rdy(par);
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+ if (res)
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+ return res;
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+
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+ dev_dbg(&par->pdev->dev, "%s: ENTER\n", __func__);
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/* setup display command
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we can't immediately set the opcode since the controller
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will try parse the command before we've set it all up
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@@ -324,8 +380,9 @@ static int metronome_display_cmd(struct
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/* set the args ( 2 bytes ) for display */
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i = 0;
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- par->metromem_cmd->args[i] = 1 << 3 /* border update */
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- | ((borderval++ % 4) & 0x0F) << 4
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+ par->metromem_cmd->args[i] = 0 << 3 /* border update */
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+ | (3 << 4)
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+// | ((borderval++ % 4) & 0x0F) << 4
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| (par->frame_count - 1) << 8;
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cs += par->metromem_cmd->args[i++];
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@@ -335,21 +392,25 @@ static int metronome_display_cmd(struct
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par->metromem_cmd->csum = cs;
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par->metromem_cmd->opcode = opcode; /* display cmd */
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- return par->board->met_wait_event_intr(par);
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+ return 0;
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+
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}
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static int __devinit metronome_powerup_cmd(struct metronomefb_par *par)
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{
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int i;
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u16 cs;
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+ int res;
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+ dev_dbg(&par->pdev->dev, "%s: ENTER\n", __func__);
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/* setup power up command */
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par->metromem_cmd->opcode = 0x1234; /* pwr up pseudo cmd */
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cs = par->metromem_cmd->opcode;
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/* set pwr1,2,3 to 1024 */
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for (i = 0; i < 3; i++) {
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- par->metromem_cmd->args[i] = 1024;
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+// par->metromem_cmd->args[i] = 1024;
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+ par->metromem_cmd->args[i] = 100;
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cs += par->metromem_cmd->args[i];
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}
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@@ -364,7 +425,9 @@ static int __devinit metronome_powerup_c
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msleep(1);
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par->board->set_stdby(par, 1);
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- return par->board->met_wait_event(par);
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+ res = par->board->met_wait_event(par);
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+ dev_dbg(&par->pdev->dev, "%s: EXIT: %d\n", __func__, res);
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+ return res;
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}
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static int __devinit metronome_config_cmd(struct metronomefb_par *par)
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@@ -373,8 +436,9 @@ static int __devinit metronome_config_cm
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we can't immediately set the opcode since the controller
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will try parse the command before we've set it all up */
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- memcpy(par->metromem_cmd->args, epd_frame_table[par->dt].config,
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- sizeof(epd_frame_table[par->dt].config));
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+ dev_dbg(&par->pdev->dev, "%s: ENTER\n", __func__);
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+ memcpy(par->metromem_cmd->args, par->epd_frame->config,
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+ sizeof(par->epd_frame->config));
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/* the rest are 0 */
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memset((u8 *) (par->metromem_cmd->args + 4), 0, (32-4)*2);
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@@ -395,11 +459,12 @@ static int __devinit metronome_init_cmd(
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will try parse the command before we've set it all up
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so we just set cs here and set the opcode at the end */
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+ dev_dbg(&par->pdev->dev, "%s: ENTER\n", __func__);
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cs = 0xCC20;
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/* set the args ( 2 bytes ) for init */
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i = 0;
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- par->metromem_cmd->args[i] = 0;
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+ par->metromem_cmd->args[i] = 0x0007;
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cs += par->metromem_cmd->args[i++];
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/* the rest are 0 */
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@@ -411,76 +476,268 @@ static int __devinit metronome_init_cmd(
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return par->board->met_wait_event(par);
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}
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-static int __devinit metronome_init_regs(struct metronomefb_par *par)
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+static int metronome_bootup(struct metronomefb_par *par)
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{
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int res;
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- res = par->board->setup_io(par);
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- if (res)
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- return res;
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-
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res = metronome_powerup_cmd(par);
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- if (res)
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- return res;
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+ if (res) {
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+ dev_err(&par->pdev->dev, "metronomefb: POWERUP cmd failed\n");
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+ goto finish;
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+ }
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+ check_err(par);
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res = metronome_config_cmd(par);
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- if (res)
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- return res;
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+ if (res) {
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+ dev_err(&par->pdev->dev, "metronomefb: CONFIG cmd failed\n");
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+ goto finish;
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+ }
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+ check_err(par);
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res = metronome_init_cmd(par);
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+ if (res)
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+ dev_err(&par->pdev->dev, "metronomefb: INIT cmd failed\n");
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+ check_err(par);
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+
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+finish:
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+ return res;
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+}
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+
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+static int __devinit metronome_init_regs(struct metronomefb_par *par)
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+{
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+ int res;
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+
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+ if (par->board->power_ctl)
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+ par->board->power_ctl(par, METRONOME_POWER_ON);
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+
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+ res = metronome_bootup(par);
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return res;
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}
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-static void metronomefb_dpy_update(struct metronomefb_par *par)
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+static uint16_t metronomefb_update_img_buffer_rotated(struct metronomefb_par *par)
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{
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- int fbsize;
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- u16 cksum;
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- unsigned char *buf = (unsigned char __force *)par->info->screen_base;
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+ int x, y;
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+ int xstep, ystep;
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+ int i, j;
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+ uint16_t cksum = 0;
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+ uint8_t *buf = par->info->screen_base;
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+ uint32_t *img = (uint32_t *)(par->metromem_img);
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+ int fw = par->epd_frame->fw;
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+ int fh = par->epd_frame->fh;
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+ int fw_buf = fw / 4;
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+ uint32_t *fxbuckets = par->fxbuckets;
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+ uint32_t *fybuckets = par->fybuckets;
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+ uint32_t diff;
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+ uint32_t tmp;
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+
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+ switch (par->rotation) {
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+ case FB_ROTATE_CW:
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+ xstep = -fh;
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+ ystep = fw * fh + 1;
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+ j = (fw - 1) * fh;
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+ break;
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+ case FB_ROTATE_UD:
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+ xstep = -1;
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+ ystep = 0;
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+ j = fw * fh - 1;
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+ break;
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+ case FB_ROTATE_CCW:
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+ xstep = fh;
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+ ystep = -fw * fh - 1;
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+ j = fh - 1;
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+ break;
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+ default:
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+ BUG();
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+ break;
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+ }
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- fbsize = par->info->fix.smem_len;
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- /* copy from vm to metromem */
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- memcpy(par->metromem_img, buf, fbsize);
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+ memset(fxbuckets, 0, fw_buf * sizeof(*fxbuckets));
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+ memset(fybuckets, 0, fh * sizeof(*fybuckets));
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+
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+ i = 0;
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+ for (y = 0; y < fh; y++) {
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+ for(x = 0; x < fw_buf; x++, i++) {
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+ tmp = (buf[j] << 5);
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+ j += xstep;
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+ tmp |= (buf[j] << 13);
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+ j += xstep;
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+ tmp |= (buf[j] << 21);
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+ j += xstep;
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+ tmp |= (buf[j] << 29);
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+ j += xstep;
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+ tmp &= 0xe0e0e0e0;
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+
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+ img[i] &= 0xf0f0f0f0;
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+ diff = img[i] ^ tmp;
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+
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+ fxbuckets[x] |= diff;
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+ fybuckets[y] |= diff;
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+
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+ img[i] = (img[i] >> 4) | tmp;
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+ cksum += img[i] & 0x0000ffff;
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+ cksum += (img[i] >> 16);
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- cksum = calc_img_cksum((u16 *) par->metromem_img, fbsize/2);
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- *((u16 *)(par->metromem_img) + fbsize/2) = cksum;
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- metronome_display_cmd(par);
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+ }
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+ j += ystep;
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+ }
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+
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+ return cksum;
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}
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|
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-static u16 metronomefb_dpy_update_page(struct metronomefb_par *par, int index)
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+static uint16_t metronomefb_update_img_buffer_normal(struct metronomefb_par *par)
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{
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- int i;
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- u16 csum = 0;
|
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- u16 *buf = (u16 __force *)(par->info->screen_base + index);
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- u16 *img = (u16 *)(par->metromem_img + index);
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-
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- /* swizzle from vm to metromem and recalc cksum at the same time*/
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- for (i = 0; i < PAGE_SIZE/2; i++) {
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- *(img + i) = (buf[i] << 5) & 0xE0E0;
|
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- csum += *(img + i);
|
|
+ int x, y, i;
|
|
+ uint16_t cksum = 0;
|
|
+ uint32_t *buf = (uint32_t __force *)par->info->screen_base;
|
|
+ uint32_t *img = (uint32_t *)(par->metromem_img);
|
|
+ uint32_t diff;
|
|
+ uint32_t tmp;
|
|
+ int fw = par->epd_frame->fw;
|
|
+ int fh = par->epd_frame->fh;
|
|
+ int fw_buf = fw / sizeof(*buf);
|
|
+ uint32_t *fxbuckets = par->fxbuckets;
|
|
+ uint32_t *fybuckets = par->fybuckets;
|
|
+
|
|
+ memset(fxbuckets, 0, fw_buf * sizeof(*fxbuckets));
|
|
+ memset(fybuckets, 0, fh * sizeof(*fybuckets));
|
|
+
|
|
+ i = 0;
|
|
+ for (y = 0; y < fh; y++) {
|
|
+ for(x = 0; x < fw_buf; x++, i++) {
|
|
+ tmp = (buf[i] << 5) & 0xe0e0e0e0;
|
|
+ img[i] &= 0xf0f0f0f0;
|
|
+ diff = img[i] ^ tmp;
|
|
+
|
|
+ fxbuckets[x] |= diff;
|
|
+ fybuckets[y] |= diff;
|
|
+
|
|
+ img[i] = (img[i] >> 4) | tmp;
|
|
+ cksum += img[i] & 0x0000ffff;
|
|
+ cksum += (img[i] >> 16);
|
|
+ }
|
|
}
|
|
- return csum;
|
|
+
|
|
+ return cksum;
|
|
+}
|
|
+
|
|
+static unsigned int metronomefb_get_change_count(struct metronomefb_par *par)
|
|
+{
|
|
+ int min_x;
|
|
+ int max_x;
|
|
+ int min_y;
|
|
+ int max_y;
|
|
+ int fw = par->epd_frame->fw / 4;
|
|
+ int fh = par->epd_frame->fh;
|
|
+ unsigned int change_count;
|
|
+ uint32_t *fxbuckets = par->fxbuckets;
|
|
+ uint32_t *fybuckets = par->fybuckets;
|
|
+
|
|
+ for (min_x = 0; min_x < fw; ++min_x) {
|
|
+ if(fxbuckets[min_x])
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ for (max_x = fw - 1; max_x >= 0; --max_x) {
|
|
+ if(fxbuckets[max_x])
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ for (min_y = 0; min_y < fh; min_y++) {
|
|
+ if(fybuckets[min_y])
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ for (max_y = fh - 1; max_y >= 0; --max_y) {
|
|
+ if(fybuckets[max_y])
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if ((min_x > max_x) || (min_y > max_y))
|
|
+ change_count = 0;
|
|
+ else
|
|
+ change_count = (max_x - min_x + 1) * (max_y - min_y + 1) * 4;
|
|
+
|
|
+ dev_dbg(&par->pdev->dev, "min_x = %d, max_x = %d, min_y = %d, max_y = %d\n",
|
|
+ min_x, max_x, min_y, max_y);
|
|
+
|
|
+ return change_count;
|
|
+}
|
|
+
|
|
+static void metronomefb_dpy_update(struct metronomefb_par *par, int clear_all)
|
|
+{
|
|
+ unsigned int fbsize = par->info->fix.smem_len;
|
|
+ uint16_t cksum;
|
|
+ int m;
|
|
+
|
|
+ wait_for_rdy(par);
|
|
+
|
|
+ if (par->rotation == 0)
|
|
+ cksum = metronomefb_update_img_buffer_normal(par);
|
|
+ else
|
|
+ cksum = metronomefb_update_img_buffer_rotated(par);
|
|
+
|
|
+ *par->metromem_img_csum = __cpu_to_le16(cksum);
|
|
+
|
|
+ if (clear_all || par->is_first_update ||
|
|
+ (par->partial_updates_count == par->partial_autorefresh_interval)) {
|
|
+ m = WF_MODE_GC;
|
|
+ par->partial_updates_count = 0;
|
|
+ } else {
|
|
+ int change_count = metronomefb_get_change_count(par);
|
|
+ if (change_count < fbsize / 100 * par->manual_refresh_threshold)
|
|
+ m = WF_MODE_GU;
|
|
+ else
|
|
+ m = WF_MODE_GC;
|
|
+
|
|
+ dev_dbg(&par->pdev->dev, "change_count = %u, treshold = %u%% (%u pixels)\n",
|
|
+ change_count, par->manual_refresh_threshold,
|
|
+ fbsize / 100 * par->manual_refresh_threshold);
|
|
+ ++par->partial_updates_count;
|
|
+ }
|
|
+
|
|
+ if (m != par->current_wf_mode)
|
|
+ load_waveform((u8 *) par->firmware->data, par->firmware->size,
|
|
+ m, par->current_wf_temp, par);
|
|
+
|
|
+ for (;;) {
|
|
+ if (likely(!check_err(par))) {
|
|
+ metronome_display_cmd(par);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ par->board->set_stdby(par, 0);
|
|
+ dev_warn(&par->pdev->dev, "Resetting Metronome\n");
|
|
+ par->board->set_rst(par, 0);
|
|
+ mdelay(1);
|
|
+ if (par->board->power_ctl)
|
|
+ par->board->power_ctl(par, METRONOME_POWER_OFF);
|
|
+
|
|
+ mdelay(1);
|
|
+ load_waveform((u8 *) par->firmware->data, par->firmware->size,
|
|
+ WF_MODE_GC, par->current_wf_temp, par);
|
|
+
|
|
+ if (par->board->power_ctl)
|
|
+ par->board->power_ctl(par, METRONOME_POWER_ON);
|
|
+ metronome_bootup(par);
|
|
+ }
|
|
+
|
|
+ par->is_first_update = 0;
|
|
}
|
|
|
|
/* this is called back from the deferred io workqueue */
|
|
static void metronomefb_dpy_deferred_io(struct fb_info *info,
|
|
struct list_head *pagelist)
|
|
{
|
|
- u16 cksum;
|
|
- struct page *cur;
|
|
- struct fb_deferred_io *fbdefio = info->fbdefio;
|
|
struct metronomefb_par *par = info->par;
|
|
|
|
- /* walk the written page list and swizzle the data */
|
|
- list_for_each_entry(cur, &fbdefio->pagelist, lru) {
|
|
- cksum = metronomefb_dpy_update_page(par,
|
|
- (cur->index << PAGE_SHIFT));
|
|
- par->metromem_img_csum -= par->csum_table[cur->index];
|
|
- par->csum_table[cur->index] = cksum;
|
|
- par->metromem_img_csum += cksum;
|
|
- }
|
|
-
|
|
- metronome_display_cmd(par);
|
|
+ /* We will update entire display because we need to change
|
|
+ * 'previous image' field in pixels which was changed at
|
|
+ * previous refresh
|
|
+ */
|
|
+ mutex_lock(&par->lock);
|
|
+ metronomefb_dpy_update(par, 0);
|
|
+ mutex_unlock(&par->lock);
|
|
}
|
|
|
|
static void metronomefb_fillrect(struct fb_info *info,
|
|
@@ -488,8 +745,10 @@ static void metronomefb_fillrect(struct
|
|
{
|
|
struct metronomefb_par *par = info->par;
|
|
|
|
+ mutex_lock(&par->lock);
|
|
sys_fillrect(info, rect);
|
|
- metronomefb_dpy_update(par);
|
|
+ metronomefb_dpy_update(par, 0);
|
|
+ mutex_unlock(&par->lock);
|
|
}
|
|
|
|
static void metronomefb_copyarea(struct fb_info *info,
|
|
@@ -497,8 +756,10 @@ static void metronomefb_copyarea(struct
|
|
{
|
|
struct metronomefb_par *par = info->par;
|
|
|
|
+ mutex_lock(&par->lock);
|
|
sys_copyarea(info, area);
|
|
- metronomefb_dpy_update(par);
|
|
+ metronomefb_dpy_update(par, 0);
|
|
+ mutex_unlock(&par->lock);
|
|
}
|
|
|
|
static void metronomefb_imageblit(struct fb_info *info,
|
|
@@ -506,8 +767,10 @@ static void metronomefb_imageblit(struct
|
|
{
|
|
struct metronomefb_par *par = info->par;
|
|
|
|
+ mutex_lock(&par->lock);
|
|
sys_imageblit(info, image);
|
|
- metronomefb_dpy_update(par);
|
|
+ metronomefb_dpy_update(par, 0);
|
|
+ mutex_unlock(&par->lock);
|
|
}
|
|
|
|
/*
|
|
@@ -545,30 +808,229 @@ static ssize_t metronomefb_write(struct
|
|
|
|
dst = (void __force *)(info->screen_base + p);
|
|
|
|
+ mutex_lock(&par->lock);
|
|
+
|
|
if (copy_from_user(dst, buf, count))
|
|
err = -EFAULT;
|
|
|
|
if (!err)
|
|
*ppos += count;
|
|
|
|
- metronomefb_dpy_update(par);
|
|
+ metronomefb_dpy_update(par, 0);
|
|
+ mutex_unlock(&par->lock);
|
|
|
|
return (err) ? err : count;
|
|
}
|
|
|
|
+static int metronome_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
|
|
+{
|
|
+ struct metronomefb_par *par = info->par;
|
|
+
|
|
+ var->grayscale = 1;
|
|
+
|
|
+ switch (par->rotation) {
|
|
+ case FB_ROTATE_CW:
|
|
+ case FB_ROTATE_CCW:
|
|
+ if (par->epd_frame->fw == var->yres && par->epd_frame->fh == var->xres)
|
|
+ return 0;
|
|
+ break;
|
|
+ case FB_ROTATE_UD:
|
|
+ default:
|
|
+ if (par->epd_frame->fw == var->xres && par->epd_frame->fh == var->yres)
|
|
+ return 0;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return -EINVAL;
|
|
+}
|
|
+
|
|
+static int metronomefb_set_par(struct fb_info *info)
|
|
+{
|
|
+ struct metronomefb_par *par = info->par;
|
|
+
|
|
+ par->rotation = (par->board->panel_rotation + info->var.rotate) % 4;
|
|
+
|
|
+ switch (par->rotation) {
|
|
+ case FB_ROTATE_CW:
|
|
+ case FB_ROTATE_CCW:
|
|
+ info->fix.line_length = par->epd_frame->fh;
|
|
+ break;
|
|
+ case FB_ROTATE_UD:
|
|
+ default:
|
|
+ info->fix.line_length = par->epd_frame->fw;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ mutex_lock(&par->lock);
|
|
+ metronomefb_dpy_update(info->par, 1);
|
|
+ mutex_unlock(&par->lock);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static struct fb_ops metronomefb_ops = {
|
|
.owner = THIS_MODULE,
|
|
.fb_write = metronomefb_write,
|
|
.fb_fillrect = metronomefb_fillrect,
|
|
.fb_copyarea = metronomefb_copyarea,
|
|
.fb_imageblit = metronomefb_imageblit,
|
|
+ .fb_check_var = metronome_check_var,
|
|
+ .fb_set_par = metronomefb_set_par,
|
|
};
|
|
|
|
static struct fb_deferred_io metronomefb_defio = {
|
|
- .delay = HZ,
|
|
+ .delay = HZ / 4,
|
|
.deferred_io = metronomefb_dpy_deferred_io,
|
|
};
|
|
|
|
+static ssize_t metronomefb_defio_delay_show(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+
|
|
+ sprintf(buf, "%lu\n", info->fbdefio->delay * 1000 / HZ);
|
|
+ return strlen(buf) + 1;
|
|
+}
|
|
+
|
|
+static ssize_t metronomefb_defio_delay_store(struct device *dev,
|
|
+ struct device_attribute *attr, const char *buf, size_t size)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+ char *after;
|
|
+ unsigned long state = simple_strtoul(buf, &after, 10);
|
|
+ size_t count = after - buf;
|
|
+ ssize_t ret = -EINVAL;
|
|
+
|
|
+ if (*after && isspace(*after))
|
|
+ count++;
|
|
+
|
|
+ state = state * HZ / 1000;
|
|
+
|
|
+ if (!state)
|
|
+ state = 1;
|
|
+
|
|
+ if (count == size) {
|
|
+ ret = count;
|
|
+ info->fbdefio->delay = state;
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static ssize_t metronomefb_manual_refresh_thr_show(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+
|
|
+ return sprintf(buf, "%u\n", par->manual_refresh_threshold);
|
|
+}
|
|
+
|
|
+static ssize_t metronomefb_manual_refresh_thr_store(struct device *dev,
|
|
+ struct device_attribute *attr, const char *buf, size_t size)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+ char *after;
|
|
+ unsigned long val = simple_strtoul(buf, &after, 10);
|
|
+ size_t count = after - buf;
|
|
+ ssize_t ret = -EINVAL;
|
|
+
|
|
+ if (*after && isspace(*after))
|
|
+ count++;
|
|
+
|
|
+ if (val > 100)
|
|
+ return -EINVAL;
|
|
+
|
|
+
|
|
+ if (count == size) {
|
|
+ ret = count;
|
|
+ par->manual_refresh_threshold = val;
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static ssize_t metronomefb_autorefresh_interval_show(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+
|
|
+ return sprintf(buf, "%u\n", par->partial_autorefresh_interval);
|
|
+}
|
|
+
|
|
+static ssize_t metronomefb_autorefresh_interval_store(struct device *dev,
|
|
+ struct device_attribute *attr, const char *buf, size_t size)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+ char *after;
|
|
+ unsigned long val = simple_strtoul(buf, &after, 10);
|
|
+ size_t count = after - buf;
|
|
+ ssize_t ret = -EINVAL;
|
|
+
|
|
+ if (*after && isspace(*after))
|
|
+ count++;
|
|
+
|
|
+ if (val > 100)
|
|
+ return -EINVAL;
|
|
+
|
|
+
|
|
+ if (count == size) {
|
|
+ ret = count;
|
|
+ par->partial_autorefresh_interval = val;
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static ssize_t metronomefb_temp_show(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+
|
|
+ return sprintf(buf, "%u\n", par->current_wf_temp);
|
|
+}
|
|
+
|
|
+static ssize_t metronomefb_temp_store(struct device *dev,
|
|
+ struct device_attribute *attr, const char *buf, size_t size)
|
|
+{
|
|
+ struct fb_info *info = dev_get_drvdata(dev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+ char *after;
|
|
+ unsigned long val = simple_strtoul(buf, &after, 10);
|
|
+ size_t count = after - buf;
|
|
+ ssize_t ret = -EINVAL;
|
|
+
|
|
+ if (*after && isspace(*after))
|
|
+ count++;
|
|
+
|
|
+ if (val > 100)
|
|
+ return -EINVAL;
|
|
+
|
|
+
|
|
+ if (count == size) {
|
|
+ ret = count;
|
|
+ if (val != par->current_wf_temp)
|
|
+ load_waveform((u8 *) par->firmware->data, par->firmware->size,
|
|
+ par->current_wf_mode, val, par);
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(defio_delay, 0644,
|
|
+ metronomefb_defio_delay_show, metronomefb_defio_delay_store);
|
|
+DEVICE_ATTR(manual_refresh_threshold, 0644,
|
|
+ metronomefb_manual_refresh_thr_show, metronomefb_manual_refresh_thr_store);
|
|
+DEVICE_ATTR(temp, 0644,
|
|
+ metronomefb_temp_show, metronomefb_temp_store);
|
|
+DEVICE_ATTR(autorefresh_interval, 0644,
|
|
+ metronomefb_autorefresh_interval_show, metronomefb_autorefresh_interval_store);
|
|
+
|
|
+
|
|
static int __devinit metronomefb_probe(struct platform_device *dev)
|
|
{
|
|
struct fb_info *info;
|
|
@@ -607,6 +1069,9 @@ static int __devinit metronomefb_probe(s
|
|
|
|
panel_type = board->get_panel_type();
|
|
switch (panel_type) {
|
|
+ case 5:
|
|
+ epd_dt_index = 3;
|
|
+ break;
|
|
case 6:
|
|
epd_dt_index = 0;
|
|
break;
|
|
@@ -632,29 +1097,59 @@ static int __devinit metronomefb_probe(s
|
|
if (!videomemory)
|
|
goto err_fb_rel;
|
|
|
|
- memset(videomemory, 0, videomemorysize);
|
|
+ memset(videomemory, 0xff, videomemorysize);
|
|
|
|
info->screen_base = (char __force __iomem *)videomemory;
|
|
info->fbops = &metronomefb_ops;
|
|
|
|
- metronomefb_fix.line_length = fw;
|
|
- metronomefb_var.xres = fw;
|
|
- metronomefb_var.yres = fh;
|
|
- metronomefb_var.xres_virtual = fw;
|
|
- metronomefb_var.yres_virtual = fh;
|
|
info->var = metronomefb_var;
|
|
info->fix = metronomefb_fix;
|
|
- info->fix.smem_len = videomemorysize;
|
|
+ switch (board->panel_rotation) {
|
|
+ case FB_ROTATE_CW:
|
|
+ case FB_ROTATE_CCW:
|
|
+ info->var.xres = fh;
|
|
+ info->var.yres = fw;
|
|
+ info->var.xres_virtual = fh;
|
|
+ info->var.yres_virtual = fw;
|
|
+ info->fix.line_length = fh;
|
|
+ break;
|
|
+ case FB_ROTATE_UD:
|
|
+ default:
|
|
+ info->var.xres = fw;
|
|
+ info->var.yres = fh;
|
|
+ info->var.xres_virtual = fw;
|
|
+ info->var.yres_virtual = fh;
|
|
+ info->fix.line_length = fw;
|
|
+ break;
|
|
+ }
|
|
+ info->fix.smem_len = fw * fh; /* Real size of image area */
|
|
par = info->par;
|
|
par->info = info;
|
|
par->board = board;
|
|
- par->dt = epd_dt_index;
|
|
+ par->epd_frame = &epd_frame_table[epd_dt_index];
|
|
+ par->pdev = dev;
|
|
+
|
|
+ par->rotation = board->panel_rotation;
|
|
+
|
|
+ par->fxbuckets = kmalloc((fw / 4 + 1) * sizeof(*par->fxbuckets), GFP_KERNEL);
|
|
+ if (!par->fxbuckets)
|
|
+ goto err_vfree;
|
|
+
|
|
+ par->fybuckets = kmalloc(fh * sizeof(*par->fybuckets), GFP_KERNEL);
|
|
+ if (!par->fybuckets)
|
|
+ goto err_fxbuckets;
|
|
+
|
|
init_waitqueue_head(&par->waitq);
|
|
+ par->manual_refresh_threshold = DEFAULT_MANUAL_REFRESH_THRESHOLD;
|
|
+ par->partial_autorefresh_interval = 256;
|
|
+ par->partial_updates_count = 0;
|
|
+ par->is_first_update = 1;
|
|
+ mutex_init(&par->lock);
|
|
|
|
/* this table caches per page csum values. */
|
|
par->csum_table = vmalloc(videomemorysize/PAGE_SIZE);
|
|
if (!par->csum_table)
|
|
- goto err_vfree;
|
|
+ goto err_fybuckets;
|
|
|
|
/* the physical framebuffer that we use is setup by
|
|
* the platform device driver. It will provide us
|
|
@@ -684,13 +1179,19 @@ static int __devinit metronomefb_probe(s
|
|
goto err_csum_table;
|
|
}
|
|
|
|
- retval = load_waveform((u8 *) fw_entry->data, fw_entry->size, 3, 31,
|
|
+ retval = load_waveform((u8 *) fw_entry->data, fw_entry->size, WF_MODE_GC, temp,
|
|
par);
|
|
- release_firmware(fw_entry);
|
|
if (retval < 0) {
|
|
dev_err(&dev->dev, "Failed processing waveform\n");
|
|
goto err_csum_table;
|
|
}
|
|
+ par->firmware = fw_entry;
|
|
+
|
|
+ retval = board->setup_io(par);
|
|
+ if (retval) {
|
|
+ dev_err(&dev->dev, "metronomefb: setup_io() failed\n");
|
|
+ goto err_csum_table;
|
|
+ }
|
|
|
|
if (board->setup_irq(info))
|
|
goto err_csum_table;
|
|
@@ -712,7 +1213,7 @@ static int __devinit metronomefb_probe(s
|
|
|
|
/* set cmap */
|
|
for (i = 0; i < 8; i++)
|
|
- info->cmap.red[i] = (((2*i)+1)*(0xFFFF))/16;
|
|
+ info->cmap.red[i] = ((2 * i + 1)*(0xFFFF))/16;
|
|
memcpy(info->cmap.green, info->cmap.red, sizeof(u16)*8);
|
|
memcpy(info->cmap.blue, info->cmap.red, sizeof(u16)*8);
|
|
|
|
@@ -722,18 +1223,47 @@ static int __devinit metronomefb_probe(s
|
|
|
|
platform_set_drvdata(dev, info);
|
|
|
|
- dev_dbg(&dev->dev,
|
|
+ retval = device_create_file(info->dev, &dev_attr_defio_delay);
|
|
+ if (retval)
|
|
+ goto err_devattr_defio_delay;
|
|
+
|
|
+ retval = device_create_file(info->dev, &dev_attr_manual_refresh_threshold);
|
|
+ if (retval)
|
|
+ goto err_devattr_manual_refresh_thr;
|
|
+
|
|
+ retval = device_create_file(info->dev, &dev_attr_temp);
|
|
+ if (retval)
|
|
+ goto err_devattr_temp;
|
|
+
|
|
+ retval = device_create_file(info->dev, &dev_attr_autorefresh_interval);
|
|
+ if (retval)
|
|
+ goto err_devattr_autorefresh;
|
|
+
|
|
+ dev_info(&dev->dev,
|
|
"fb%d: Metronome frame buffer device, using %dK of video"
|
|
" memory\n", info->node, videomemorysize >> 10);
|
|
|
|
return 0;
|
|
|
|
+ device_remove_file(info->dev, &dev_attr_autorefresh_interval);
|
|
+err_devattr_autorefresh:
|
|
+ device_remove_file(info->dev, &dev_attr_temp);
|
|
+err_devattr_temp:
|
|
+ device_remove_file(info->dev, &dev_attr_manual_refresh_threshold);
|
|
+err_devattr_manual_refresh_thr:
|
|
+ device_remove_file(info->dev, &dev_attr_defio_delay);
|
|
+err_devattr_defio_delay:
|
|
+ unregister_framebuffer(info);
|
|
err_cmap:
|
|
fb_dealloc_cmap(&info->cmap);
|
|
err_free_irq:
|
|
board->cleanup(par);
|
|
err_csum_table:
|
|
vfree(par->csum_table);
|
|
+err_fybuckets:
|
|
+ kfree(par->fybuckets);
|
|
+err_fxbuckets:
|
|
+ kfree(par->fxbuckets);
|
|
err_vfree:
|
|
vfree(videomemory);
|
|
err_fb_rel:
|
|
@@ -750,26 +1280,76 @@ static int __devexit metronomefb_remove(
|
|
if (info) {
|
|
struct metronomefb_par *par = info->par;
|
|
|
|
+ par->board->set_stdby(par, 0);
|
|
+ mdelay(1);
|
|
+ if (par->board->power_ctl)
|
|
+ par->board->power_ctl(par, METRONOME_POWER_OFF);
|
|
+
|
|
+ device_remove_file(info->dev, &dev_attr_autorefresh_interval);
|
|
+ device_remove_file(info->dev, &dev_attr_temp);
|
|
+ device_remove_file(info->dev, &dev_attr_manual_refresh_threshold);
|
|
+ device_remove_file(info->dev, &dev_attr_defio_delay);
|
|
unregister_framebuffer(info);
|
|
fb_deferred_io_cleanup(info);
|
|
fb_dealloc_cmap(&info->cmap);
|
|
par->board->cleanup(par);
|
|
vfree(par->csum_table);
|
|
+ kfree(par->fybuckets);
|
|
+ kfree(par->fxbuckets);
|
|
vfree((void __force *)info->screen_base);
|
|
module_put(par->board->owner);
|
|
+ release_firmware(par->firmware);
|
|
dev_dbg(&dev->dev, "calling release\n");
|
|
framebuffer_release(info);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
+#ifdef CONFIG_PM
|
|
+static int metronomefb_suspend(struct platform_device *pdev, pm_message_t message)
|
|
+{
|
|
+ struct fb_info *info = platform_get_drvdata(pdev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+
|
|
+ par->board->set_stdby(par, 0);
|
|
+ par->board->set_rst(par, 0);
|
|
+ if (par->board->power_ctl)
|
|
+ par->board->power_ctl(par, METRONOME_POWER_OFF);
|
|
+
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int metronomefb_resume(struct platform_device *pdev)
|
|
+{
|
|
+ struct fb_info *info = platform_get_drvdata(pdev);
|
|
+ struct metronomefb_par *par = info->par;
|
|
+
|
|
+ if (par->board->power_ctl)
|
|
+ par->board->power_ctl(par, METRONOME_POWER_ON);
|
|
+
|
|
+ mutex_lock(&par->lock);
|
|
+ metronome_bootup(par);
|
|
+ mutex_unlock(&par->lock);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+#else
|
|
+#define metronomefb_suspend NULL
|
|
+#define metronomefb_resume NULL
|
|
+#endif
|
|
+
|
|
+
|
|
static struct platform_driver metronomefb_driver = {
|
|
- .probe = metronomefb_probe,
|
|
- .remove = metronomefb_remove,
|
|
- .driver = {
|
|
- .owner = THIS_MODULE,
|
|
- .name = "metronomefb",
|
|
- },
|
|
+ .driver = {
|
|
+ .owner = THIS_MODULE,
|
|
+ .name = "metronomefb",
|
|
+ },
|
|
+ .probe = metronomefb_probe,
|
|
+ .remove = __devexit_p(metronomefb_remove),
|
|
+ .suspend = metronomefb_suspend,
|
|
+ .resume = metronomefb_resume,
|
|
};
|
|
|
|
static int __init metronomefb_init(void)
|
|
@@ -782,8 +1362,8 @@ static void __exit metronomefb_exit(void
|
|
platform_driver_unregister(&metronomefb_driver);
|
|
}
|
|
|
|
-module_param(user_wfm_size, uint, 0);
|
|
-MODULE_PARM_DESC(user_wfm_size, "Set custom waveform size");
|
|
+module_param(temp, int, 0);
|
|
+MODULE_PARM_DESC(temp, "Set current temperature");
|
|
|
|
module_init(metronomefb_init);
|
|
module_exit(metronomefb_exit);
|
|
--- a/include/video/metronomefb.h
|
|
+++ b/include/video/metronomefb.h
|
|
@@ -17,7 +17,9 @@ struct metromem_cmd {
|
|
u16 opcode;
|
|
u16 args[((64-2)/2)];
|
|
u16 csum;
|
|
-};
|
|
+} __attribute__((packed));
|
|
+
|
|
+struct epd_frame;
|
|
|
|
/* struct used by metronome. board specific stuff comes from *board */
|
|
struct metronomefb_par {
|
|
@@ -27,19 +29,40 @@ struct metronomefb_par {
|
|
u16 *metromem_img_csum;
|
|
u16 *csum_table;
|
|
dma_addr_t metromem_dma;
|
|
+ const struct firmware *firmware;
|
|
struct fb_info *info;
|
|
struct metronome_board *board;
|
|
+ struct platform_device *pdev;
|
|
wait_queue_head_t waitq;
|
|
u8 frame_count;
|
|
int extra_size;
|
|
- int dt;
|
|
+ int current_wf_mode;
|
|
+ int current_wf_temp;
|
|
+ unsigned int manual_refresh_threshold;
|
|
+ unsigned int partial_autorefresh_interval;
|
|
+ const struct epd_frame *epd_frame;
|
|
+ u32 *fxbuckets;
|
|
+ u32 *fybuckets;
|
|
+
|
|
+ int rotation;
|
|
+
|
|
+ unsigned int partial_updates_count;
|
|
+ unsigned is_first_update:1;
|
|
+
|
|
+ struct mutex lock;
|
|
};
|
|
|
|
+#define METRONOME_POWER_OFF 0
|
|
+#define METRONOME_POWER_ON 1
|
|
+
|
|
/* board specific routines and data */
|
|
struct metronome_board {
|
|
struct module *owner; /* the platform device */
|
|
+ void (*power_ctl)(struct metronomefb_par *, int);
|
|
void (*set_rst)(struct metronomefb_par *, int);
|
|
void (*set_stdby)(struct metronomefb_par *, int);
|
|
+ int (*get_err)(struct metronomefb_par *);
|
|
+ int (*get_rdy)(struct metronomefb_par *);
|
|
void (*cleanup)(struct metronomefb_par *);
|
|
int (*met_wait_event)(struct metronomefb_par *);
|
|
int (*met_wait_event_intr)(struct metronomefb_par *);
|
|
@@ -47,11 +70,7 @@ struct metronome_board {
|
|
int (*setup_fb)(struct metronomefb_par *);
|
|
int (*setup_io)(struct metronomefb_par *);
|
|
int (*get_panel_type)(void);
|
|
- unsigned char *metromem;
|
|
- int fw;
|
|
- int fh;
|
|
- int wfm_size;
|
|
- struct fb_info *host_fbinfo; /* the host LCD controller's fbi */
|
|
+ int panel_rotation;
|
|
};
|
|
|
|
#endif
|