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/linux/drivers/gpu/drm/msm/
H A DNOTES3 In the current snapdragon SoC's, we have (at least) 3 different
5 + MDP3 - ?? seems to be what is on geeksphone peak device
6 + MDP4 - S3 (APQ8060, touchpad), S4-pro (APQ8064, nexus4 & ifc6410)
7 + MDP5 - snapdragon 800
20 with N different kms devices from xf86-video-freedreno. Plus, it
27 And one or more 'struct msm_gpu' for the various different gpu sub-
38 plane -> PIPE{RGBn,VGn} \
39 crtc -> OVLP{n} + DMA{P,S,E} (??) |-> MDP "device"
40 encoder -> DTV/LCDC/DSI (within MDP4) /
41 connector -> HDMI/DSI/etc --> other device(s)
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/linux/include/soc/qcom/
H A Docmem.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * memory from OCMEM based on performance, latency and power requirements.
6 * some Snapdragon SoCs.
48 return ERR_PTR(-ENODEV); in of_get_ocmem()
55 return ERR_PTR(-ENODEV); in ocmem_allocate()
/linux/Documentation/admin-guide/media/
H A Dqcom_camss.rst1 .. SPDX-License-Identifier: GPL-2.0
9 ------------
25 ----------------------------------
30 - 2 / 3 CSIPHY modules. They handle the Physical layer of the CSI2 receivers.
32 - 2 / 4 CSID (CSI Decoder) modules. They handle the Protocol and Application
36 - ISPIF (ISP Interface) module. Handles the routing of the data streams from
38 - 1 / 2 VFE (Video Front End) module(s). Contain a pipeline of image processing
48 -----------------------
52 - Input from camera sensor via CSIPHY;
53 - Generation of test input data by the TG in CSID;
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/linux/drivers/soc/qcom/
H A Docmem.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * memory from OCMEM based on performance, latency and power requirements.
6 * some Snapdragon SoCs.
104 writel(data, ocmem->mmio + reg); in ocmem_write()
109 return readl(ocmem->mmio + reg); in ocmem_read()
118 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
119 struct ocmem_region *region = &ocmem->regions[i]; in update_ocmem()
121 if (region->mode == THIN_MODE) in update_ocmem()
125 dev_dbg(ocmem->dev, "ocmem_region_mode_control %x\n", in update_ocmem()
130 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
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/linux/drivers/bus/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
37 Driver for the Broadcom Set Top Box System-on-a-chip internal bus
42 bool "Baikal-T1 APB-bus driver"
46 Baikal-T1 AXI-APB bridge is used to access the SoC subsystem CSRs.
53 errors counter. The counter and the APB-bus operations timeout can be
57 bool "Baikal-T1 AXI-bus driver"
61 AXI3-bus is the main communication bus connecting all high-speed
62 peripheral IP-cores with RAM controller and with MIPS P5600 cores on
63 Baikal-T1 SoC. Traffic arbitration is done by means of DW AMBA 3 AXI
120 cores. This bus is for per-CPU tightly coupled devices such as the
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/linux/drivers/net/usb/
H A Dqmi_wwan.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2003-2005 by David Brownell
22 #include <linux/usb/cdc-wdm.h>
26 * specific management protocol called Qualcomm MSM Interface (QMI) -
31 * control ("master") interface of a two-interface CDC Union
41 * It is exported as a character device using the cdc-wdm driver as
82 struct net_device *real_dev = priv->real_dev; in qmimux_open()
84 if (!(priv->real_dev->flags & IFF_UP)) in qmimux_open()
85 return -ENETDOWN; in qmimux_open()
101 unsigned int len = skb->len; in qmimux_start_xmit()
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