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authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-29 21:00:17 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-29 21:00:17 +0300
commit1b722407a13b7f8658d2e26917791f32805980a2 (patch)
tree30aab582725a46e42843d75e2eb9ce4151f0f3ed /drivers/video/fbdev/hitfb.c
parentf8824e151fbfa0ac0a258015d606ea6f4a10251b (diff)
parent5ff2977b19769fd24b0cfbe7cbe4d5114b6106af (diff)
downloadlinux-1b722407a13b7f8658d2e26917791f32805980a2.tar.xz
Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "There is one set of patches to misc for a i915 gsc/mei proxy driver. Otherwise it's mostly amdgpu/i915/msm, lots of hw enablement and lots of refactoring. core: - replace strlcpy with strscpy - EDID changes to support further conversion to struct drm_edid - Move i915 DSC parameter code to common DRM helpers - Add Colorspace functionality aperture: - ignore framebuffers with non-primary devices fbdev: - use fbdev i/o helpers - add Kconfig options for fb_ops helpers - use new fb io helpers directly in drivers sysfs: - export DRM connector ID scheduler: - Avoid an infinite loop ttm: - store function table in .rodata - Add query for TTM mem limit - Add NUMA awareness to pools - Export ttm_pool_fini() bridge: - fsl-ldb: support i.MX6SX - lt9211, lt9611: remove blanking packets - tc358768: implement input bus formats, devm cleanups - ti-snd65dsi86: implement wait_hpd_asserted - analogix: fix endless probe loop - samsung-dsim: support swapped clock, fix enabling, support var clock - display-connector: Add support for external power supply - imx: Fix module linking - tc358762: Support reset GPIO panel: - nt36523: Support Lenovo J606F - st7703: Support Anbernic RG353V-V2 - InnoLux G070ACE-L01 support - boe-tv101wum-nl6: Improve initialization - sharp-ls043t1le001: Mode fixes - simple: BOE EV121WXM-N10-1850, S6D7AA0 - Ampire AM-800480L1TMQW-T00H - Rocktech RK043FN48H - Starry himax83102-j02 - Starry ili9882t amdgpu: - add new ctx query flag to handle reset better - add new query/set shadow buffer for rdna3 - DCN 3.2/3.1.x/3.0.x updates - Enable DC_FP on loongarch - PCIe fix for RDNA2 - improve DC FAMS/SubVP support for better power management - partition support for lots of engines - Take NUMA into account when allocating memory - Add new DRM_AMDGPU_WERROR config parameter to help with CI - Initial SMU13 overdrive support - Add support for new colorspace KMS API - W=1 fixes amdkfd: - Query TTM mem limit rather than hardcoding it - GC 9.4.3 partition support - Handle NUMA for partitions - Add debugger interface for enabling gdb - Add KFD event age tracking radeon: - Fix possible UAF i915: - new getparam for PXP support - GSC/MEI proxy driver - Meteorlake display enablement - avoid clearing preallocated framebuffers with TTM - implement framebuffer mmap support - Disable sampler indirect state in bindless heap - Enable fdinfo for GuC backends - GuC loading and firmware table handling fixes - Various refactors for multi-tile enablement - Define MOCS and PAT tables for MTL - GSC/MEI support for Meteorlake - PMU multi-tile support - Large driver kernel doc cleanup - Allow VRR toggling and arbitrary refresh rates - Support async flips on linear buffers on display ver 12+ - Expose CRTC CTM property on ILK/SNB/VLV - New debugfs for display clock frequencies - Hotplug refactoring - Display refactoring - I915_GEM_CREATE_EXT_SET_PAT for Mesa on Meteorlake - Use large rings for compute contexts - HuC loading for MTL - Allow user to set cache at BO creation - MTL powermanagement enhancements - Switch to dedicated workqueues to stop using flush_scheduled_work() - Move display runtime init under display/ - Remove 10bit gamma on desktop gen3 parts, they don't support it habanalabs: - uapi: return 0 for user queries if there was a h/w or f/w error - Add pci health check when we lose connection with the firmware. This can be used to distinguish between pci link down and firmware getting stuck. - Add more info to the error print when TPC interrupt occur. - Firmware fixes msm: - Adreno A660 bindings - SM8350 MDSS bindings fix - Added support for DPU on sm6350 and sm6375 platforms - Implemented tearcheck support to support vsync on SM150 and newer platforms - Enabled missing features (DSPP, DSC, split display) on sc8180x, sc8280xp, sm8450 - Added support for DSI and 28nm DSI PHY on MSM8226 platform - Added support for DSI on sm6350 and sm6375 platforms - Added support for display controller on MSM8226 platform - A690 GPU support - Move cmdstream dumping out of fence signaling path - a610 support - Support for a6xx devices without GMU nouveau: - NULL ptr before deref fixes armada: - implement fbdev emulation as client sun4i: - fix mipi-dsi dotclock - release clocks vc4: - rgb range toggle property - BT601 / BT2020 HDMI support vkms: - convert to drmm helpers - add reflection and rotation support - fix rgb565 conversion gma500: - fix iomem access shmobile: - support renesas soc platform - enable fbdev mxsfb: - Add support for i.MX93 LCDIF stm: - dsi: Use devm_ helper - ltdc: Fix potential invalid pointer deref renesas: - Group drivers in renesas subdirectory to prepare for new platform - Drop deprecated R-Car H3 ES1.x support meson: - Add support for MIPI DSI displays virtio: - add sync object support mediatek: - Add display binding document for MT6795" * tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm: (1791 commits) drm/i915: Fix a NULL vs IS_ERR() bug drm/i915: make i915_drm_client_fdinfo() reference conditional again drm/i915/huc: Fix missing error code in intel_huc_init() drm/i915/gsc: take a wakeref for the proxy-init-completion check drm/msm/a6xx: Add A610 speedbin support drm/msm/a6xx: Add A619_holi speedbin support drm/msm/a6xx: Use adreno_is_aXYZ macros in speedbin matching drm/msm/a6xx: Use "else if" in GPU speedbin rev matching drm/msm/a6xx: Fix some A619 tunables drm/msm/a6xx: Add A610 support drm/msm/a6xx: Add support for A619_holi drm/msm/adreno: Disable has_cached_coherent in GMU wrapper configurations drm/msm/a6xx: Introduce GMU wrapper support drm/msm/a6xx: Move CX GMU power counter enablement to hw_init drm/msm/a6xx: Extend and explain UBWC config drm/msm/a6xx: Remove both GBIF and RBBM GBIF halt on hw init drm/msm/a6xx: Add a helper for software-resetting the GPU drm/msm/a6xx: Improve a6xx_bus_clear_pending_transactions() drm/msm/a6xx: Move a6xx_bus_clear_pending_transactions to a6xx_gpu drm/msm/a6xx: Move force keepalive vote removal to a6xx_gmu_force_off() ...
Diffstat (limited to 'drivers/video/fbdev/hitfb.c')
-rw-r--r--drivers/video/fbdev/hitfb.c122
1 files changed, 69 insertions, 53 deletions
diff --git a/drivers/video/fbdev/hitfb.c b/drivers/video/fbdev/hitfb.c
index 5f544a177033..9fd196637d14 100644
--- a/drivers/video/fbdev/hitfb.c
+++ b/drivers/video/fbdev/hitfb.c
@@ -42,17 +42,33 @@ static struct fb_fix_screeninfo hitfb_fix = {
.accel = FB_ACCEL_NONE,
};
+static volatile void __iomem *hitfb_offset_to_addr(unsigned int offset)
+{
+ return (__force volatile void __iomem *)(uintptr_t)offset;
+}
+
+static u16 hitfb_readw(unsigned int offset)
+{
+ return fb_readw(hitfb_offset_to_addr(offset));
+}
+
+static void hitfb_writew(u16 value, unsigned int offset)
+{
+ fb_writew(value, hitfb_offset_to_addr(offset));
+}
+
static inline void hitfb_accel_wait(void)
{
- while (fb_readw(HD64461_GRCFGR) & HD64461_GRCFGR_ACCSTATUS) ;
+ while (hitfb_readw(HD64461_GRCFGR) & HD64461_GRCFGR_ACCSTATUS)
+ ;
}
static inline void hitfb_accel_start(int truecolor)
{
if (truecolor) {
- fb_writew(6, HD64461_GRCFGR);
+ hitfb_writew(6, HD64461_GRCFGR);
} else {
- fb_writew(7, HD64461_GRCFGR);
+ hitfb_writew(7, HD64461_GRCFGR);
}
}
@@ -63,11 +79,11 @@ static inline void hitfb_accel_set_dest(int truecolor, u16 dx, u16 dy,
if (truecolor)
saddr <<= 1;
- fb_writew(width-1, HD64461_BBTDWR);
- fb_writew(height-1, HD64461_BBTDHR);
+ hitfb_writew(width-1, HD64461_BBTDWR);
+ hitfb_writew(height-1, HD64461_BBTDHR);
- fb_writew(saddr & 0xffff, HD64461_BBTDSARL);
- fb_writew(saddr >> 16, HD64461_BBTDSARH);
+ hitfb_writew(saddr & 0xffff, HD64461_BBTDSARL);
+ hitfb_writew(saddr >> 16, HD64461_BBTDSARH);
}
@@ -80,7 +96,7 @@ static inline void hitfb_accel_bitblt(int truecolor, u16 sx, u16 sy, u16 dx,
height--;
width--;
- fb_writew(rop, HD64461_BBTROPR);
+ hitfb_writew(rop, HD64461_BBTROPR);
if ((sy < dy) || ((sy == dy) && (sx <= dx))) {
saddr = WIDTH * (sy + height) + sx + width;
daddr = WIDTH * (dy + height) + dx + width;
@@ -91,32 +107,32 @@ static inline void hitfb_accel_bitblt(int truecolor, u16 sx, u16 sy, u16 dx,
maddr =
(((width >> 4) + 1) * (height + 1) - 1) * 2;
- fb_writew((1 << 5) | 1, HD64461_BBTMDR);
+ hitfb_writew((1 << 5) | 1, HD64461_BBTMDR);
} else
- fb_writew(1, HD64461_BBTMDR);
+ hitfb_writew(1, HD64461_BBTMDR);
} else {
saddr = WIDTH * sy + sx;
daddr = WIDTH * dy + dx;
if (mask_addr) {
- fb_writew((1 << 5), HD64461_BBTMDR);
+ hitfb_writew((1 << 5), HD64461_BBTMDR);
} else {
- fb_writew(0, HD64461_BBTMDR);
+ hitfb_writew(0, HD64461_BBTMDR);
}
}
if (truecolor) {
saddr <<= 1;
daddr <<= 1;
}
- fb_writew(width, HD64461_BBTDWR);
- fb_writew(height, HD64461_BBTDHR);
- fb_writew(saddr & 0xffff, HD64461_BBTSSARL);
- fb_writew(saddr >> 16, HD64461_BBTSSARH);
- fb_writew(daddr & 0xffff, HD64461_BBTDSARL);
- fb_writew(daddr >> 16, HD64461_BBTDSARH);
+ hitfb_writew(width, HD64461_BBTDWR);
+ hitfb_writew(height, HD64461_BBTDHR);
+ hitfb_writew(saddr & 0xffff, HD64461_BBTSSARL);
+ hitfb_writew(saddr >> 16, HD64461_BBTSSARH);
+ hitfb_writew(daddr & 0xffff, HD64461_BBTDSARL);
+ hitfb_writew(daddr >> 16, HD64461_BBTDSARH);
if (mask_addr) {
maddr += mask_addr;
- fb_writew(maddr & 0xffff, HD64461_BBTMARL);
- fb_writew(maddr >> 16, HD64461_BBTMARH);
+ hitfb_writew(maddr & 0xffff, HD64461_BBTMARL);
+ hitfb_writew(maddr >> 16, HD64461_BBTMARH);
}
hitfb_accel_start(truecolor);
}
@@ -127,17 +143,17 @@ static void hitfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
cfb_fillrect(p, rect);
else {
hitfb_accel_wait();
- fb_writew(0x00f0, HD64461_BBTROPR);
- fb_writew(16, HD64461_BBTMDR);
+ hitfb_writew(0x00f0, HD64461_BBTROPR);
+ hitfb_writew(16, HD64461_BBTMDR);
if (p->var.bits_per_pixel == 16) {
- fb_writew(((u32 *) (p->pseudo_palette))[rect->color],
+ hitfb_writew(((u32 *) (p->pseudo_palette))[rect->color],
HD64461_GRSCR);
hitfb_accel_set_dest(1, rect->dx, rect->dy, rect->width,
rect->height);
hitfb_accel_start(1);
} else {
- fb_writew(rect->color, HD64461_GRSCR);
+ hitfb_writew(rect->color, HD64461_GRSCR);
hitfb_accel_set_dest(0, rect->dx, rect->dy, rect->width,
rect->height);
hitfb_accel_start(0);
@@ -162,7 +178,7 @@ static int hitfb_pan_display(struct fb_var_screeninfo *var,
if (xoffset != 0)
return -EINVAL;
- fb_writew((yoffset*info->fix.line_length)>>10, HD64461_LCDCBAR);
+ hitfb_writew((yoffset*info->fix.line_length)>>10, HD64461_LCDCBAR);
return 0;
}
@@ -172,33 +188,33 @@ static int hitfb_blank(int blank_mode, struct fb_info *info)
unsigned short v;
if (blank_mode) {
- v = fb_readw(HD64461_LDR1);
+ v = hitfb_readw(HD64461_LDR1);
v &= ~HD64461_LDR1_DON;
- fb_writew(v, HD64461_LDR1);
+ hitfb_writew(v, HD64461_LDR1);
- v = fb_readw(HD64461_LCDCCR);
+ v = hitfb_readw(HD64461_LCDCCR);
v |= HD64461_LCDCCR_MOFF;
- fb_writew(v, HD64461_LCDCCR);
+ hitfb_writew(v, HD64461_LCDCCR);
- v = fb_readw(HD64461_STBCR);
+ v = hitfb_readw(HD64461_STBCR);
v |= HD64461_STBCR_SLCDST;
- fb_writew(v, HD64461_STBCR);
+ hitfb_writew(v, HD64461_STBCR);
} else {
- v = fb_readw(HD64461_STBCR);
+ v = hitfb_readw(HD64461_STBCR);
v &= ~HD64461_STBCR_SLCDST;
- fb_writew(v, HD64461_STBCR);
+ hitfb_writew(v, HD64461_STBCR);
- v = fb_readw(HD64461_LCDCCR);
+ v = hitfb_readw(HD64461_LCDCCR);
v &= ~(HD64461_LCDCCR_MOFF | HD64461_LCDCCR_STREQ);
- fb_writew(v, HD64461_LCDCCR);
+ hitfb_writew(v, HD64461_LCDCCR);
do {
- v = fb_readw(HD64461_LCDCCR);
+ v = hitfb_readw(HD64461_LCDCCR);
} while(v&HD64461_LCDCCR_STBACK);
- v = fb_readw(HD64461_LDR1);
+ v = hitfb_readw(HD64461_LDR1);
v |= HD64461_LDR1_DON;
- fb_writew(v, HD64461_LDR1);
+ hitfb_writew(v, HD64461_LDR1);
}
return 0;
}
@@ -211,10 +227,10 @@ static int hitfb_setcolreg(unsigned regno, unsigned red, unsigned green,
switch (info->var.bits_per_pixel) {
case 8:
- fb_writew(regno << 8, HD64461_CPTWAR);
- fb_writew(red >> 10, HD64461_CPTWDR);
- fb_writew(green >> 10, HD64461_CPTWDR);
- fb_writew(blue >> 10, HD64461_CPTWDR);
+ hitfb_writew(regno << 8, HD64461_CPTWAR);
+ hitfb_writew(red >> 10, HD64461_CPTWDR);
+ hitfb_writew(green >> 10, HD64461_CPTWDR);
+ hitfb_writew(blue >> 10, HD64461_CPTWDR);
break;
case 16:
if (regno >= 16)
@@ -302,11 +318,11 @@ static int hitfb_set_par(struct fb_info *info)
break;
}
- fb_writew(info->fix.line_length, HD64461_LCDCLOR);
- ldr3 = fb_readw(HD64461_LDR3);
+ hitfb_writew(info->fix.line_length, HD64461_LCDCLOR);
+ ldr3 = hitfb_readw(HD64461_LDR3);
ldr3 &= ~15;
ldr3 |= (info->var.bits_per_pixel == 8) ? 4 : 8;
- fb_writew(ldr3, HD64461_LDR3);
+ hitfb_writew(ldr3, HD64461_LDR3);
return 0;
}
@@ -337,9 +353,9 @@ static int hitfb_probe(struct platform_device *dev)
hitfb_fix.smem_start = HD64461_IO_OFFSET(0x02000000);
hitfb_fix.smem_len = 512 * 1024;
- lcdclor = fb_readw(HD64461_LCDCLOR);
- ldvndr = fb_readw(HD64461_LDVNDR);
- ldr3 = fb_readw(HD64461_LDR3);
+ lcdclor = hitfb_readw(HD64461_LCDCLOR);
+ ldvndr = hitfb_readw(HD64461_LDVNDR);
+ ldr3 = hitfb_readw(HD64461_LDR3);
switch (ldr3 & 15) {
default:
@@ -429,9 +445,9 @@ static int hitfb_suspend(struct device *dev)
u16 v;
hitfb_blank(1, NULL);
- v = fb_readw(HD64461_STBCR);
+ v = hitfb_readw(HD64461_STBCR);
v |= HD64461_STBCR_SLCKE_IST;
- fb_writew(v, HD64461_STBCR);
+ hitfb_writew(v, HD64461_STBCR);
return 0;
}
@@ -440,12 +456,12 @@ static int hitfb_resume(struct device *dev)
{
u16 v;
- v = fb_readw(HD64461_STBCR);
+ v = hitfb_readw(HD64461_STBCR);
v &= ~HD64461_STBCR_SLCKE_OST;
msleep(100);
- v = fb_readw(HD64461_STBCR);
+ v = hitfb_readw(HD64461_STBCR);
v &= ~HD64461_STBCR_SLCKE_IST;
- fb_writew(v, HD64461_STBCR);
+ hitfb_writew(v, HD64461_STBCR);
hitfb_blank(0, NULL);
return 0;