^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Framebuffer device registration for TI OMAP platforms
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2006 Nokia Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Imre Deak <imre.deak@nokia.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/memblock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/omapfb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "soc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "display.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #ifdef CONFIG_OMAP2_VRFB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * The first memory resource is the register region for VRFB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * the rest are VRFB virtual memory areas for each VRFB context.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static const struct resource omap2_vrfb_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static const struct resource omap3_vrfb_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int __init omap_init_vrfb(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) const struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) unsigned int num_res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (cpu_is_omap24xx()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) res = omap2_vrfb_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) num_res = ARRAY_SIZE(omap2_vrfb_resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) } else if (cpu_is_omap34xx()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) res = omap3_vrfb_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) num_res = ARRAY_SIZE(omap3_vrfb_resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) res, num_res, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return PTR_ERR_OR_ZERO(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int __init omap_init_vrfb(void) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #if IS_ENABLED(CONFIG_FB_OMAP2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static u64 omap_fb_dma_mask = ~(u32)0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static struct omapfb_platform_data omapfb_config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static struct platform_device omap_fb_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .name = "omapfb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .dma_mask = &omap_fb_dma_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .coherent_dma_mask = DMA_BIT_MASK(32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .platform_data = &omapfb_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .num_resources = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int __init omap_init_fb(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return platform_device_register(&omap_fb_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) int __init omap_init_fb(void) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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