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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
commit4352b8aee98005853aa63f57d6377282de17a33f (patch)
tree27614d7a9ef05c32d089004e104364ce42324837 /drivers/video/fbdev/sa1100fb.h
downloadlinux-stable-4352b8aee98005853aa63f57d6377282de17a33f.tar.gz
linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.zip
Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni: "A new driver this cycle, for the AMD AXI I3C controller. There are also new features such as IBI wakeup support, SETAASA device discovery and ACPI support for the the DAA methods, meaning we can now communicate with the SPD devices on DDR5 modules. New driver: - AMD AXI I3C master controller Subsystem: - I3C Common Command Code (CCC) handling improvements, especially around GET CCCs - SETAASA device discovery support - ACPI support for all existing DAA methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus - IBI-based wakeup support Drivers: - dw: SETAASA support - mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C controller support, PIO queue management support for HCI v1.2 - renesas: improve suspend to RAM support, add runtime PM support" * tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits) i3c: dw: reduce do_daa time if there's no client i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2 i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode i3c: dw: rename "pclk" to "apb" to match dt-binding i3c: dw: make struct dw_i3c_cmd smaller i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding i3c: renesas: Don't register devices when ENTDAA times out i3c: master: dw-i3c-master: fix OD timing for first broadcast i3c: mipi-i3c-hci: Advertise IBI wakeup capability i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev() i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI i3c: master: Reject IBI requests from non-IBI-capable devices i3c: master: Add helper to query bus wakeup requirements i3c: master: Report wakeup events for IBIs i3c: master: Support IBI-based wakeup capability i3c: master: Fix potential UAF in i3c_device_match() i3c: master: Fix potential UAF in i3c_device_uevent() i3c: Make dev->desc locking assumptions explicit i3c: master: Fix use-after-free of master->this ...
Diffstat (limited to 'drivers/video/fbdev/sa1100fb.h')
-rw-r--r--drivers/video/fbdev/sa1100fb.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/video/fbdev/sa1100fb.h b/drivers/video/fbdev/sa1100fb.h
new file mode 100644
index 000000000..b4363444f
--- /dev/null
+++ b/drivers/video/fbdev/sa1100fb.h
@@ -0,0 +1,101 @@
+/*
+ * linux/drivers/video/sa1100fb.h
+ * -- StrongARM 1100 LCD Controller Frame Buffer Device
+ *
+ * Copyright (C) 1999 Eric A. Thomas
+ * Based on acornfb.c Copyright (C) Russell King.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+struct gpio_desc;
+
+#define LCCR0 0x0000 /* LCD Control Reg. 0 */
+#define LCSR 0x0004 /* LCD Status Reg. */
+#define DBAR1 0x0010 /* LCD DMA Base Address Reg. channel 1 */
+#define DCAR1 0x0014 /* LCD DMA Current Address Reg. channel 1 */
+#define DBAR2 0x0018 /* LCD DMA Base Address Reg. channel 2 */
+#define DCAR2 0x001C /* LCD DMA Current Address Reg. channel 2 */
+#define LCCR1 0x0020 /* LCD Control Reg. 1 */
+#define LCCR2 0x0024 /* LCD Control Reg. 2 */
+#define LCCR3 0x0028 /* LCD Control Reg. 3 */
+
+/* Shadows for LCD controller registers */
+struct sa1100fb_lcd_reg {
+ unsigned long lccr0;
+ unsigned long lccr1;
+ unsigned long lccr2;
+ unsigned long lccr3;
+};
+
+struct sa1100fb_info {
+ struct fb_info fb;
+ struct device *dev;
+ const struct sa1100fb_rgb *rgb[NR_RGB];
+ void __iomem *base;
+ struct gpio_desc *shannon_lcden;
+
+ /*
+ * These are the addresses we mapped
+ * the framebuffer memory region to.
+ */
+ dma_addr_t map_dma;
+ u_char * map_cpu;
+ u_int map_size;
+
+ u_char * screen_cpu;
+ dma_addr_t screen_dma;
+ u16 * palette_cpu;
+ dma_addr_t palette_dma;
+ u_int palette_size;
+
+ dma_addr_t dbar1;
+ dma_addr_t dbar2;
+
+ u_int reg_lccr0;
+ u_int reg_lccr1;
+ u_int reg_lccr2;
+ u_int reg_lccr3;
+
+ volatile u_char state;
+ volatile u_char task_state;
+ struct mutex ctrlr_lock;
+ wait_queue_head_t ctrlr_wait;
+ struct work_struct task;
+
+#ifdef CONFIG_CPU_FREQ
+ struct notifier_block freq_transition;
+#endif
+
+ const struct sa1100fb_mach_info *inf;
+ struct clk *clk;
+
+ u32 pseudo_palette[16];
+};
+
+#define TO_INF(ptr,member) container_of(ptr,struct sa1100fb_info,member)
+
+#define SA1100_PALETTE_MODE_VAL(bpp) (((bpp) & 0x018) << 9)
+
+/*
+ * These are the actions for set_ctrlr_state
+ */
+#define C_DISABLE (0)
+#define C_ENABLE (1)
+#define C_DISABLE_CLKCHANGE (2)
+#define C_ENABLE_CLKCHANGE (3)
+#define C_REENABLE (4)
+#define C_DISABLE_PM (5)
+#define C_ENABLE_PM (6)
+#define C_STARTUP (7)
+
+#define SA1100_NAME "SA1100"
+
+/*
+ * Minimum X and Y resolutions
+ */
+#define MIN_XRES 64
+#define MIN_YRES 64
+