[PATCH 4/5] DRM: Armada: start of MMP2/MMP3 support
On Sun, Oct 6, 2013 at 6:10 PM, Russell King wrote: > Signed-off-by: Russell King > --- > drivers/gpu/drm/armada/Makefile |1 + > drivers/gpu/drm/armada/armada_610.c | 49 > ++ > drivers/gpu/drm/armada/armada_crtc.c |1 + > drivers/gpu/drm/armada/armada_drm.h |1 + > drivers/gpu/drm/armada/armada_drv.c |6 > drivers/gpu/drm/armada/armada_hw.h |8 + > 6 files changed, 66 insertions(+), 0 deletions(-) > create mode 100644 drivers/gpu/drm/armada/armada_610.c > > diff --git a/drivers/gpu/drm/armada/Makefile b/drivers/gpu/drm/armada/Makefile > index d6f43e0..088db4a 100644 > --- a/drivers/gpu/drm/armada/Makefile > +++ b/drivers/gpu/drm/armada/Makefile > @@ -2,6 +2,7 @@ armada-y:= armada_crtc.o armada_drv.o armada_fb.o > armada_fbdev.o \ >armada_gem.o armada_output.o armada_overlay.o \ >armada_slave.o > armada-y += armada_510.o > +armada-y += armada_610.o > armada-$(CONFIG_DEBUG_FS) += armada_debugfs.o > > obj-$(CONFIG_DRM_ARMADA) := armada.o > diff --git a/drivers/gpu/drm/armada/armada_610.c > b/drivers/gpu/drm/armada/armada_610.c > new file mode 100644 > index 000..36a10e3 > --- /dev/null > +++ b/drivers/gpu/drm/armada/armada_610.c > @@ -0,0 +1,49 @@ > +/* > + * Copyright (C) 2012 Russell King > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * Armada 610/MMP2/MMP3 variant support > + */ > +#include > +#include > +#include > +#include > +#include "armada_crtc.h" > +#include "armada_drm.h" > +#include "armada_hw.h" > + > +static int mmp23_init(struct armada_private *priv, struct device *dev) > +{ > + priv->extclk[0] = devm_clk_get(dev, NULL); > + > + if (IS_ERR(priv->extclk[0]) && PTR_ERR(priv->extclk[0]) == -ENOENT) > + priv->extclk[0] = ERR_PTR(-EPROBE_DEFER); > + > + return PTR_RET(priv->extclk[0]); > +} > + > +/* > + * This gets called with sclk = NULL to test whether the mode is > + * supportable, and again with sclk != NULL to set the clocks up for > + * that. The former can return an error, but the latter is expected > + * not to. > + */ > +static int mmp23_crtc_compute_clock(struct armada_crtc *dcrtc, > + const struct drm_display_mode *mode, uint32_t *sclk) > +{ > + /* > +* on MMP3 bits 31:29 select the clock, OLPC wants 0x1 here, LCD > clock 1 > +* on MMP2 bits 31:30 select the clock, OLPC wants 0x1 here, LCD > clock 1 > +*/ > + *sclk = 0x20001100; // FIXME hardcoded mmp3 value > + maybe fix this? Or comment out for now mmp2 below in armada_drm_platform_ids? BR, -R > + return 0; > +} > + > +const struct armada_variant mmp23_ops = { > + .init = mmp23_init, > + .crtc_compute_clock = mmp23_crtc_compute_clock, > +}; > diff --git a/drivers/gpu/drm/armada/armada_crtc.c > b/drivers/gpu/drm/armada/armada_crtc.c > index e8605bf..b5877ee 100644 > --- a/drivers/gpu/drm/armada/armada_crtc.c > +++ b/drivers/gpu/drm/armada/armada_crtc.c > @@ -1054,6 +1054,7 @@ int armada_drm_crtc_create(struct drm_device *dev, > unsigned num, > dcrtc->clk = ERR_PTR(-EINVAL); > dcrtc->csc_yuv_mode = CSC_AUTO; > dcrtc->csc_rgb_mode = CSC_AUTO; > + /* FIXME: MMP2/MMP3: OLPC panel is RGB666 */ > dcrtc->cfg_dumb_ctrl = DUMB24_RGB888_0; > dcrtc->spu_iopad_ctrl = CFG_VSCALE_LN_EN | CFG_IOPAD_DUMB24; > spin_lock_init(&dcrtc->irq_lock); > diff --git a/drivers/gpu/drm/armada/armada_drm.h > b/drivers/gpu/drm/armada/armada_drm.h > index eef09ec..f52fccb 100644 > --- a/drivers/gpu/drm/armada/armada_drm.h > +++ b/drivers/gpu/drm/armada/armada_drm.h > @@ -70,6 +70,7 @@ struct armada_variant { > > /* Variant ops */ > extern const struct armada_variant armada510_ops; > +extern const struct armada_variant mmp23_ops; > > struct armada_private { > const struct armada_variant *variant; > diff --git a/drivers/gpu/drm/armada/armada_drv.c > b/drivers/gpu/drm/armada/armada_drv.c > index 7bfab9a..db62f1b 100644 > --- a/drivers/gpu/drm/armada/armada_drv.c > +++ b/drivers/gpu/drm/armada/armada_drv.c > @@ -344,6 +344,12 @@ static const struct platform_device_id > armada_drm_platform_ids[] = { > .name = "armada-drm", > .driver_data= (unsigned long)&armada510_ops, > }, { > + .name = "armada-610-drm", /* aka MMP2 */ > + .driver_data= (unsigned long)&mmp23_ops, > + }, { > + .name = "mmp3-drm", > + .driver_data= (unsigned long)&mmp23_ops, > + }, { > .name = "armada-510-drm", > .driver_data= (unsigned long)&armada510_ops, > }, > diff --git a/drivers/gpu/drm/armada/armada_hw.h > b/drivers/gpu/d
[PATCH 4/5] DRM: Armada: start of MMP2/MMP3 support
Signed-off-by: Russell King --- drivers/gpu/drm/armada/Makefile |1 + drivers/gpu/drm/armada/armada_610.c | 49 ++ drivers/gpu/drm/armada/armada_crtc.c |1 + drivers/gpu/drm/armada/armada_drm.h |1 + drivers/gpu/drm/armada/armada_drv.c |6 drivers/gpu/drm/armada/armada_hw.h |8 + 6 files changed, 66 insertions(+), 0 deletions(-) create mode 100644 drivers/gpu/drm/armada/armada_610.c diff --git a/drivers/gpu/drm/armada/Makefile b/drivers/gpu/drm/armada/Makefile index d6f43e0..088db4a 100644 --- a/drivers/gpu/drm/armada/Makefile +++ b/drivers/gpu/drm/armada/Makefile @@ -2,6 +2,7 @@ armada-y:= armada_crtc.o armada_drv.o armada_fb.o armada_fbdev.o \ armada_gem.o armada_output.o armada_overlay.o \ armada_slave.o armada-y += armada_510.o +armada-y += armada_610.o armada-$(CONFIG_DEBUG_FS) += armada_debugfs.o obj-$(CONFIG_DRM_ARMADA) := armada.o diff --git a/drivers/gpu/drm/armada/armada_610.c b/drivers/gpu/drm/armada/armada_610.c new file mode 100644 index 000..36a10e3 --- /dev/null +++ b/drivers/gpu/drm/armada/armada_610.c @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2012 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Armada 610/MMP2/MMP3 variant support + */ +#include +#include +#include +#include +#include "armada_crtc.h" +#include "armada_drm.h" +#include "armada_hw.h" + +static int mmp23_init(struct armada_private *priv, struct device *dev) +{ + priv->extclk[0] = devm_clk_get(dev, NULL); + + if (IS_ERR(priv->extclk[0]) && PTR_ERR(priv->extclk[0]) == -ENOENT) + priv->extclk[0] = ERR_PTR(-EPROBE_DEFER); + + return PTR_RET(priv->extclk[0]); +} + +/* + * This gets called with sclk = NULL to test whether the mode is + * supportable, and again with sclk != NULL to set the clocks up for + * that. The former can return an error, but the latter is expected + * not to. + */ +static int mmp23_crtc_compute_clock(struct armada_crtc *dcrtc, + const struct drm_display_mode *mode, uint32_t *sclk) +{ + /* +* on MMP3 bits 31:29 select the clock, OLPC wants 0x1 here, LCD clock 1 +* on MMP2 bits 31:30 select the clock, OLPC wants 0x1 here, LCD clock 1 +*/ + *sclk = 0x20001100; // FIXME hardcoded mmp3 value + + return 0; +} + +const struct armada_variant mmp23_ops = { + .init = mmp23_init, + .crtc_compute_clock = mmp23_crtc_compute_clock, +}; diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index e8605bf..b5877ee 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -1054,6 +1054,7 @@ int armada_drm_crtc_create(struct drm_device *dev, unsigned num, dcrtc->clk = ERR_PTR(-EINVAL); dcrtc->csc_yuv_mode = CSC_AUTO; dcrtc->csc_rgb_mode = CSC_AUTO; + /* FIXME: MMP2/MMP3: OLPC panel is RGB666 */ dcrtc->cfg_dumb_ctrl = DUMB24_RGB888_0; dcrtc->spu_iopad_ctrl = CFG_VSCALE_LN_EN | CFG_IOPAD_DUMB24; spin_lock_init(&dcrtc->irq_lock); diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h index eef09ec..f52fccb 100644 --- a/drivers/gpu/drm/armada/armada_drm.h +++ b/drivers/gpu/drm/armada/armada_drm.h @@ -70,6 +70,7 @@ struct armada_variant { /* Variant ops */ extern const struct armada_variant armada510_ops; +extern const struct armada_variant mmp23_ops; struct armada_private { const struct armada_variant *variant; diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index 7bfab9a..db62f1b 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -344,6 +344,12 @@ static const struct platform_device_id armada_drm_platform_ids[] = { .name = "armada-drm", .driver_data= (unsigned long)&armada510_ops, }, { + .name = "armada-610-drm", /* aka MMP2 */ + .driver_data= (unsigned long)&mmp23_ops, + }, { + .name = "mmp3-drm", + .driver_data= (unsigned long)&mmp23_ops, + }, { .name = "armada-510-drm", .driver_data= (unsigned long)&armada510_ops, }, diff --git a/drivers/gpu/drm/armada/armada_hw.h b/drivers/gpu/drm/armada/armada_hw.h index 27319a8..1688716 100644 --- a/drivers/gpu/drm/armada/armada_hw.h +++ b/drivers/gpu/drm/armada/armada_hw.h @@ -74,6 +74,7 @@ enum { LCD_SPU_IOPAD_CONTROL = 0x01bc, LCD_SPU_IRQ_ENA = 0x01c0, LCD_SPU_IRQ_ISR = 0x01c4, + LCD_MISC_CNTL = 0x01c8, /* Armada 168 */ }; /* For LCD_