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/linux/drivers/gpu/drm/imx/dcss/
H A Ddcss-dev.c16 #include "dcss-dev.h"
17 #include "dcss-kms.h"
19 static void dcss_clocks_enable(struct dcss_dev *dcss) in dcss_clocks_enable() argument
21 clk_prepare_enable(dcss->axi_clk); in dcss_clocks_enable()
22 clk_prepare_enable(dcss->apb_clk); in dcss_clocks_enable()
23 clk_prepare_enable(dcss->rtrm_clk); in dcss_clocks_enable()
24 clk_prepare_enable(dcss->dtrc_clk); in dcss_clocks_enable()
25 clk_prepare_enable(dcss->pix_clk); in dcss_clocks_enable()
28 static void dcss_clocks_disable(struct dcss_dev *dcss) in dcss_clocks_disable() argument
30 clk_disable_unprepare(dcss->pix_clk); in dcss_clocks_disable()
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H A Ddcss-crtc.c12 #include "dcss-dev.h"
13 #include "dcss-kms.h"
19 struct dcss_dev *dcss = crtc->dev->dev_private; in dcss_enable_vblank() local
21 dcss_dtg_vblank_irq_enable(dcss->dtg, true); in dcss_enable_vblank()
23 dcss_dtg_ctxld_kick_irq_enable(dcss->dtg, true); in dcss_enable_vblank()
34 struct dcss_dev *dcss = dcss_crtc->base.dev->dev_private; in dcss_disable_vblank() local
38 dcss_dtg_vblank_irq_enable(dcss->dtg, false); in dcss_disable_vblank()
41 dcss_dtg_ctxld_kick_irq_enable(dcss->dtg, false); in dcss_disable_vblank()
66 struct dcss_dev *dcss = dcss_crtc->base.dev->dev_private; in dcss_crtc_atomic_flush() local
76 if (dcss_dtg_is_enabled(dcss->dtg)) in dcss_crtc_atomic_flush()
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H A DMakefile1 imx-dcss-objs := dcss-drv.o dcss-dev.o dcss-blkctl.o dcss-ctxld.o dcss-dtg.o \
2 dcss-ss.o dcss-dpr.o dcss-scaler.o dcss-kms.o dcss-crtc.o \
3 dcss-plane.o
5 obj-$(CONFIG_DRM_IMX_DCSS) += imx-dcss.o
H A Ddcss-drv.c13 #include "dcss-dev.h"
14 #include "dcss-kms.h"
17 struct dcss_dev *dcss; member
25 return mdrv ? mdrv->dcss : NULL; in dcss_drv_dev_to_dcss()
58 mdrv->dcss = dcss_dev_create(dev, hdmi_output); in dcss_drv_platform_probe()
59 if (IS_ERR(mdrv->dcss)) in dcss_drv_platform_probe()
60 return PTR_ERR(mdrv->dcss); in dcss_drv_platform_probe()
64 mdrv->kms = dcss_kms_attach(mdrv->dcss); in dcss_drv_platform_probe()
74 dcss_dev_destroy(mdrv->dcss); in dcss_drv_platform_probe()
84 dcss_dev_destroy(mdrv->dcss); in dcss_drv_platform_remove()
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H A Ddcss-blkctl.c10 #include "dcss-dev.h"
25 struct dcss_dev *dcss; member
31 if (blkctl->dcss->hdmi_output) in dcss_blkctl_cfg()
41 int dcss_blkctl_init(struct dcss_dev *dcss, unsigned long blkctl_base) in dcss_blkctl_init() argument
45 blkctl = devm_kzalloc(dcss->dev, sizeof(*blkctl), GFP_KERNEL); in dcss_blkctl_init()
49 blkctl->base_reg = devm_ioremap(dcss->dev, blkctl_base, SZ_4K); in dcss_blkctl_init()
51 dev_err(dcss->dev, "unable to remap BLK CTRL base\n"); in dcss_blkctl_init()
55 dcss->blkctl = blkctl; in dcss_blkctl_init()
56 blkctl->dcss = dcss; in dcss_blkctl_init()
H A Ddcss-plane.c14 #include "dcss-dev.h"
15 #include "dcss-kms.h"
147 struct dcss_dev *dcss = plane->dev->dev_private; in dcss_plane_atomic_check() local
175 dcss_scaler_get_min_max_ratios(dcss->scaler, dcss_plane->ch_num, in dcss_plane_atomic_check()
218 struct dcss_dev *dcss = plane->dev->dev_private; in dcss_plane_atomic_set_base() local
244 dcss_dpr_addr_set(dcss->dpr, dcss_plane->ch_num, p1_ba, p2_ba, in dcss_plane_atomic_set_base()
276 struct dcss_dev *dcss = plane->dev->dev_private; in dcss_plane_atomic_update() local
312 dcss_dpr_format_set(dcss->dpr, dcss_plane->ch_num, in dcss_plane_atomic_update()
316 dcss_dpr_set_res(dcss->dpr, dcss_plane->ch_num, src_w, src_h); in dcss_plane_atomic_update()
317 dcss_dpr_set_rotation(dcss->dpr, dcss_plane->ch_num, in dcss_plane_atomic_update()
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H A Ddcss-ctxld.c12 #include "dcss-dev.h"
91 struct dcss_dev *dcss = dcss_drv_dev_to_dcss(ctxld->dev); in dcss_ctxld_irq_handler() local
100 if (dcss && dcss->disable_callback) in dcss_ctxld_irq_handler()
101 dcss->disable_callback(dcss); in dcss_ctxld_irq_handler()
200 int dcss_ctxld_init(struct dcss_dev *dcss, unsigned long ctxld_base) in dcss_ctxld_init() argument
205 ctxld = devm_kzalloc(dcss->dev, sizeof(*ctxld), GFP_KERNEL); in dcss_ctxld_init()
209 dcss->ctxld = ctxld; in dcss_ctxld_init()
210 ctxld->dev = dcss->dev; in dcss_ctxld_init()
216 dev_err(dcss->dev, "ctxld: cannot allocate context memory.\n"); in dcss_ctxld_init()
220 ctxld->ctxld_reg = devm_ioremap(dcss->dev, ctxld_base, SZ_4K); in dcss_ctxld_init()
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H A Ddcss-dev.h98 void dcss_dev_destroy(struct dcss_dev *dcss);
99 void dcss_enable_dtg_and_ss(struct dcss_dev *dcss);
100 void dcss_disable_dtg_and_ss(struct dcss_dev *dcss);
105 int dcss_blkctl_init(struct dcss_dev *dcss, unsigned long blkctl_base);
109 int dcss_ctxld_init(struct dcss_dev *dcss, unsigned long ctxld_base);
125 int dcss_dpr_init(struct dcss_dev *dcss, unsigned long dpr_base);
137 int dcss_dtg_init(struct dcss_dev *dcss, unsigned long dtg_base);
156 int dcss_ss_init(struct dcss_dev *dcss, unsigned long subsam_base);
165 int dcss_scaler_init(struct dcss_dev *dcss, unsigned long scaler_base);
H A Ddcss-dtg.c13 #include "dcss-dev.h"
150 int dcss_dtg_init(struct dcss_dev *dcss, unsigned long dtg_base) in dcss_dtg_init() argument
155 dtg = devm_kzalloc(dcss->dev, sizeof(*dtg), GFP_KERNEL); in dcss_dtg_init()
159 dcss->dtg = dtg; in dcss_dtg_init()
160 dtg->dev = dcss->dev; in dcss_dtg_init()
161 dtg->ctxld = dcss->ctxld; in dcss_dtg_init()
189 struct dcss_dev *dcss = dcss_drv_dev_to_dcss(dtg->dev); in dcss_dtg_sync_set() local
207 clk_disable_unprepare(dcss->pix_clk); in dcss_dtg_sync_set()
208 clk_set_rate(dcss->pix_clk, vm->pixelclock); in dcss_dtg_sync_set()
209 clk_prepare_enable(dcss->pix_clk); in dcss_dtg_sync_set()
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H A Ddcss-kms.c17 #include "dcss-dev.h"
18 #include "dcss-kms.h"
32 .name = "imx-dcss",
109 struct dcss_kms_dev *dcss_kms_attach(struct dcss_dev *dcss) in dcss_kms_attach() argument
116 kms = devm_drm_dev_alloc(dcss->dev, &dcss_kms_driver, in dcss_kms_attach()
124 drm->dev_private = dcss; in dcss_kms_attach()
H A Ddcss-ss.c9 #include "dcss-dev.h"
82 int dcss_ss_init(struct dcss_dev *dcss, unsigned long ss_base) in dcss_ss_init() argument
86 ss = devm_kzalloc(dcss->dev, sizeof(*ss), GFP_KERNEL); in dcss_ss_init()
90 dcss->ss = ss; in dcss_ss_init()
91 ss->dev = dcss->dev; in dcss_ss_init()
92 ss->ctxld = dcss->ctxld; in dcss_ss_init()
H A DKconfig2 tristate "i.MX8MQ DCSS"
12 Display Controller Subsystem. This option enables DCSS support.
H A Ddcss-dpr.c9 #include "dcss-dev.h"
154 int dcss_dpr_init(struct dcss_dev *dcss, unsigned long dpr_base) in dcss_dpr_init() argument
158 dpr = devm_kzalloc(dcss->dev, sizeof(*dpr), GFP_KERNEL); in dcss_dpr_init()
162 dcss->dpr = dpr; in dcss_dpr_init()
163 dpr->dev = dcss->dev; in dcss_dpr_init()
164 dpr->ctxld = dcss->ctxld; in dcss_dpr_init()
H A Ddcss-scaler.c11 #include "dcss-dev.h"
317 int dcss_scaler_init(struct dcss_dev *dcss, unsigned long scaler_base) in dcss_scaler_init() argument
321 scaler = devm_kzalloc(dcss->dev, sizeof(*scaler), GFP_KERNEL); in dcss_scaler_init()
325 dcss->scaler = scaler; in dcss_scaler_init()
326 scaler->dev = dcss->dev; in dcss_scaler_init()
327 scaler->ctxld = dcss->ctxld; in dcss_scaler_init()
H A Ddcss-kms.h35 struct dcss_kms_dev *dcss_kms_attach(struct dcss_dev *dcss);
/linux/Documentation/arch/s390/
H A Dmonreader.rst23 IUCV `*MONITOR` statement in its user entry. If the monitor DCSS to be used is
24 restricted (likely), you also need the NAMESAVE <DCSS NAME> statement.
28 There are two options for being able to load the monitor DCSS (examples assume
29 that the monitor DCSS begins at 144 MB and ends at 152 MB). You can query the
30 location of the monitor DCSS with the Class E privileged CP command Q NSS MAP
40 guest virtual storage around the address range of the DCSS.
51 Your guest virtual storage has to end below the starting address of the DCSS
53 value greater than the ending address of the DCSS.
68 to specify the name of the monitor DCSS. If the module is compiled into the
69 kernel, the kernel parameter "monreader.mondcss=<DCSS NAME>" can be specified
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/linux/arch/s390/mm/
H A Dextmem.c130 * Perform a function on a dcss segment.
192 pr_warn("Querying a DCSS type failed with rc=%ld\n", vmrc); in query_segment_type()
329 strlcat(seg->res_name, " (DCSS)", sizeof(seg->res_name)); in __segment_load()
359 pr_warn("Loading DCSS %s failed with rc=%ld\n", name, end_addr); in __segment_load()
373 pr_info("DCSS %s of range %px to %px and type %s loaded as " in __segment_load()
377 pr_info("DCSS %s of range %px to %px and type %s loaded in " in __segment_load()
395 * this function loads a DCSS segment
396 * name : name of the DCSS
397 * do_nonshared : 0 indicates that the dcss should be shared with other linux images
398 * 1 indicates that the dcss should be exclusive for this linux image
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/linux/Documentation/devicetree/bindings/display/imx/
H A Dnxp,imx8mq-dcss.yaml5 $id: http://devicetree.org/schemas/display/imx/nxp,imx8mq-dcss.yaml#
8 title: iMX8MQ Display Controller Subsystem (DCSS)
15 The DCSS (display controller sub system) is used to source up to three
17 2.2) or MIPI-DSI. The DCSS is intended to support up to 4kp60 displays. HDR10
23 const: nxp,imx8mq-dcss
27 - description: DCSS base address and size, up to IRQ steer start
28 - description: DCSS BLKCTL base address and size
86 dcss: display-controller@32e00000 {
87 compatible = "nxp,imx8mq-dcss";
/linux/drivers/s390/block/
H A Ddcssblk.c3 * dcssblk.c -- the S/390 block driver for dcss memory
282 pr_err("DCSS %s and DCSS %s have " in dcssblk_is_continuous()
381 pr_err("DCSS %s is of type SC and cannot be " in dcssblk_shared_store()
406 pr_err("DCSS device %s is removed after a failed access mode " in dcssblk_shared_store()
469 pr_warn("DCSS %s is of type SN or EN" in dcssblk_save_store()
850 pr_warn("DCSS %s is of type SN or EN and cannot" in dcssblk_release()
1026 MODULE_PARM_DESC(segments, "Name of DCSS segment(s) to be loaded, "
1035 MODULE_DESCRIPTION("S/390 block driver for DCSS memory");
H A DKconfig12 Support for dcss block device
/linux/drivers/interconnect/imx/
H A Dimx8mq.c49 /* DISPMIX (only for DCSS) */
58 /* PL301_DISPLAY (IPs other than DCSS, inside SUPERMIX) */
/linux/drivers/gpu/drm/imx/
H A DMakefile3 obj-$(CONFIG_DRM_IMX_DCSS) += dcss/
H A DKconfig3 source "drivers/gpu/drm/imx/dcss/Kconfig"
/linux/drivers/s390/char/
H A Dmonreader.c71 /* DCSS name in EBCDIC, 8 bytes padded with blanks */
85 * Create the 8 bytes EBCDIC DCSS segment name from
481 pr_err("The specified *MONITOR DCSS %s does not have the " in mon_init()
525 MODULE_PARM_DESC(mondcss, "Name of DCSS segment to be used for *MONITOR "
/linux/arch/s390/include/asm/
H A Dextmem.h12 * DCSS segment is defined as a contiguous range of pages using DEFSEG command.

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