/* * Permedia2 framebuffer driver definitions. * Copyright (c) 1998-2000 Ilario Nardinocchi (nardinoc@CS.UniBO.IT) * -------------------------------------------------------------------------- * $Id: pm2fb.h,v 1.26 2000/09/19 00:11:53 illo Exp $ * -------------------------------------------------------------------------- * 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. */ #ifndef PM2FB_H #define PM2FB_H #define PM2_REFERENCE_CLOCK 14318 /* in KHz */ #define PM2_MAX_PIXCLOCK 230000 /* in KHz */ #define PM2_REGS_SIZE 0x10000 #define PM2TAG(r) (u32 )(((r)-0x8000)>>3) /***************************************************************************** * Permedia2 registers used in the framebuffer *****************************************************************************/ #define PM2R_RESET_STATUS 0x0000 #define PM2R_IN_FIFO_SPACE 0x0018 #define PM2R_OUT_FIFO_WORDS 0x0020 #define PM2R_APERTURE_ONE 0x0050 #define PM2R_APERTURE_TWO 0x0058 #define PM2R_FIFO_DISCON 0x0068 #define PM2R_CHIP_CONFIG 0x0070 #define PM2R_REBOOT 0x1000 #define PM2R_MEM_CONTROL 0x1040 #define PM2R_BOOT_ADDRESS 0x1080 #define PM2R_MEM_CONFIG 0x10c0 #define PM2R_BYPASS_WRITE_MASK 0x1100 #define PM2R_FRAMEBUFFER_WRITE_MASK 0x1140 #define PM2R_OUT_FIFO 0x2000 #define PM2R_SCREEN_BASE 0x3000 #define PM2R_SCREEN_STRIDE 0x3008 #define PM2R_H_TOTAL 0x3010 #define PM2R_HG_END 0x3018 #define PM2R_HB_END 0x3020 #define PM2R_HS_START 0x3028 #define PM2R_HS_END 0x3030 #define PM2R_V_TOTAL 0x3038 #define PM2R_VB_END 0x3040 #define PM2R_VS_START 0x3048 #define PM2R_VS_END 0x3050 #define PM2R_VIDEO_CONTROL 0x3058 #define PM2R_LINE_COUNT 0x3070 #define PM2R_FIFO_CONTROL 0x3078 #define PM2R_RD_PALETTE_WRITE_ADDRESS 0x4000 #define PM2R_RD_PALETTE_DATA 0x4008 #define PM2R_RD_PIXEL_MASK 0x4010 #define PM2R_RD_PALETTE_READ_ADDRESS 0x4018 #define PM2R_RD_CURSOR_COLOR_ADDRESS 0x4020 #define PM2R_RD_CURSOR_COLOR_DATA 0x4028 #define PM2R_RD_INDEXED_DATA 0x4050 #define PM2R_RD_CURSOR_DATA 0x4058 #define PM2R_RD_CURSOR_X_LSB 0x4060 #define PM2R_RD_CURSOR_X_MSB 0x4068 #define PM2R_RD_CURSOR_Y_LSB 0x4070 #define PM2R_RD_CURSOR_Y_MSB 0x4078 #define PM2R_START_X_DOM 0x8000 #define PM2R_D_X_DOM 0x8008 #define PM2R_START_X_SUB 0x8010 #define PM2R_D_X_SUB 0x8018 #define PM2R_START_Y 0x8020 #define PM2R_D_Y 0x8028 #define PM2R_COUNT 0x8030 #define PM2R_RENDER 0x8038 #define PM2R_BIT_MASK_PATTERN 0x8068 #define PM2R_RASTERIZER_MODE 0x80a0 #define PM2R_RECTANGLE_ORIGIN 0x80d0 #define PM2R_RECTANGLE_SIZE 0x80d8 #define PM2R_PACKED_DATA_LIMITS 0x8150 #define PM2R_SCISSOR_MODE 0x8180 #define PM2R_SCISSOR_MIN_XY 0x8188 #define PM2R_SCISSOR_MAX_XY 0x8190 #define PM2R_SCREEN_SIZE 0x8198 #define PM2R_AREA_STIPPLE_MODE 0x81a0 #define PM2R_WINDOW_ORIGIN 0x81c8 #define PM2R_TEXTURE_ADDRESS_MODE 0x8380 #define PM2R_TEXTURE_MAP_FORMAT 0x8588 #define PM2R_TEXTURE_DATA_FORMAT 0x8590 #define PM2R_TEXTURE_READ_MODE 0x8670 #define PM2R_TEXEL_LUT_MODE 0x8678 #define PM2R_TEXTURE_COLOR_MODE 0x8680 #define PM2R_FOG_MODE 0x8690 #define PM2R_TEXEL0 0x8760 #define PM2R_COLOR_DDA_MODE 0x87e0 #define PM2R_CONSTANT_COLOR 0x87e8 #define PM2R_ALPHA_BLEND_MODE 0x8810 #define PM2R_DITHER_MODE 0x8818 #define PM2R_FB_SOFT_WRITE_MASK 0x8820 #define PM2R_LOGICAL_OP_MODE 0x8828 #define PM2R_LB_READ_MODE 0x8880 #define PM2R_LB_READ_FORMAT 0x8888 #define PM2R_LB_SOURCE_OFFSET 0x8890 #define PM2R_LB_WINDOW_BASE 0x88b8 #define PM2R_LB_WRITE_FORMAT 0x88c8 #define PM2R_STENCIL_MODE 0x8988 #define PM2R_DEPTH_MODE 0x89a0 #define PM2R_FB_READ_MODE 0x8a80 #define PM2R_FB_SOURCE_OFFSET 0x8a88 #define PM2R_FB_PIXEL_OFFSET 0x8a90 #define PM2R_FB_WINDOW_BASE 0x8ab0 #define PM2R_FB_WRITE_MODE 0x8ab8 #define PM2R_FB_HARD_WRITE_MASK 0x8ac0 #define PM2R_FB_BLOCK_COLOR 0x8ac8 #define PM2R_FB_READ_PIXEL 0x8ad0 #define PM2R_FILTER_MODE 0x8c00 #define PM2R_SYNC 0x8c40 #define PM2R_YUV_MODE 0x8f00 #define PM2R_STATISTICS_MODE 0x8c08 #define PM2R_FB_SOURCE_DELTA 0x8d88 #define PM2R_CONFIG 0x8d90 #define PM2R_DELTA_MODE 0x9300 /* Permedia2v */ #define PM2VR_RD_INDEX_LOW 0x4020 #define PM2VR_RD_INDEX_HIGH 0x4028 #define PM2VR_RD_INDEXED_DATA 0x4030 /* Permedia2 RAMDAC indexed registers */ #define PM2I_RD_CURSOR_CONTROL 0x06 #define PM2I_RD_COLOR_MODE 0x18 #define PM2I_RD_MODE_CONTROL 0x19 #define PM2I_RD_MISC_CONTROL 0x1e #define PM2I_RD_PIXEL_CLOCK_A1 0x20 #define PM2I_RD_PIXEL_CLOCK_A2 0x21 #define PM2I_RD_PIXEL_CLOCK_A3 0x22 #define PM2I_RD_PIXEL_CLOCK_STATUS 0x29 #define PM2I_RD_MEMORY_CLOCK_1 0x30 #define PM2I_RD_MEMORY_CLOCK_2 0x31 #define PM2I_RD_MEMORY_CLOCK_3 0x32 #define PM2I_RD_MEMORY_CLOCK_STATUS 0x33 #define PM2I_RD_COLOR_KEY_CONTROL 0x40 #define PM2I_RD_OVERLAY_KEY 0x41 #define PM2I_RD_RED_KEY 0x42 #define PM2I_RD_GREEN_KEY 0x43 #define PM2I_RD_BLUE_KEY 0x44 /* Permedia2v extensions */ #define PM2VI_RD_MISC_CONTROL 0x000 #define PM2VI_RD_SYNC_CONTROL 0x001 #define PM2VI_RD_DAC_CONTROL 0x002 #define PM2VI_RD_PIXEL_SIZE 0x003 #define PM2VI_RD_COLOR_FORMAT 0x004 #define PM2VI_RD_CURSOR_MODE 0x005 #define PM2VI_RD_CURSOR_X_LOW 0x007 #define PM2VI_RD_CURSOR_X_HIGH 0x008 #define PM2VI_RD_CURSOR_Y_LOW 0x009 #define PM2VI_RD_CURSOR_Y_HIGH 0x00A #define PM2VI_RD_CURSOR_X_HOT 0x00B #define PM2VI_RD_CURSOR_Y_HOT 0x00C #define PM2VI_RD_OVERLAY_KEY 0x00D #define PM2VI_RD_CLK0_PRESCALE 0x201 #define PM2VI_RD_CLK0_FEEDBACK 0x202 #define PM2VI_RD_CLK0_POSTSCALE 0x203 #define PM2VI_RD_CLK1_PRESCALE 0x204 #define PM2VI_RD_CLK1_FEEDBACK 0x205 #define PM2VI_RD_CLK1_POSTSCALE 0x206 #define PM2VI_RD_MCLK_CONTROL 0x20D #define PM2VI_RD_MCLK_PRESCALE 0x20E #define PM2VI_RD_MCLK_FEEDBACK 0x20F #define PM2VI_RD_MCLK_POSTSCALE 0x210 #define PM2VI_RD_CURSOR_PALETTE 0x303 #define PM2VI_RD_CURSOR_PATTERN 0x400 /* Fields and flags */ #define PM2F_RENDER_AREASTIPPLE (1L<<0) #define PM2F_RENDER_FASTFILL (1L<<3) #define PM2F_RENDER_PRIMITIVE_MASK (3L<<6) #define PM2F_RENDER_LINE 0 #define PM2F_RENDER_TRAPEZOID (1L<<6) #define PM2F_RENDER_POINT (2L<<6) #define PM2F_RENDER_RECTANGLE (3L<<6) #define PM2F_RENDER_SYNC_ON_BIT_MASK (1L<<11) #define PM2F_RENDER_TEXTURE_ENABLE (1L<<13) #define PM2F_SYNCHRONIZATION (1L<<10) #define PM2F_PLL_LOCKED 0x10 #define PM2F_BEING_RESET (1L<<31) #define PM2F_DATATYPE_COLOR 0x8000 #define PM2F_VGA_ENABLE 0x02 #define PM2F_VGA_FIXED 0x04 #define PM2F_FB_WRITE_ENABLE 0x01 #define PM2F_FB_READ_SOURCE_ENABLE 0x0200 #define PM2F_RD_PALETTE_WIDTH_8 0x02 #define PM2F_PART_PROD_MASK 0x01ff #define PM2F_SCREEN_SCISSOR_ENABLE 0x02 #define PM2F_DATA_64_ENABLE 0x00010000 #define PM2F_BLANK_LOW 0x02 #define PM2F_HSYNC_MASK 0x18 #define PM2F_VSYNC_MASK 0x60 #define PM2F_HSYNC_ACT_HIGH 0x08 #define PM2F_HSYNC_FORCED_LOW 0x10 #define PM2F_HSYNC_ACT_LOW 0x18 #define PM2F_VSYNC_ACT_HIGH 0x20 #define PM2F_VSYNC_FORCED_LOW 0x40 #define PM2F_VSYNC_ACT_LOW 0x60 #define PM2F_LINE_DOUBLE 0x04 #define PM2F_VIDEO_ENABLE 0x01 #define PM2F_RD_PIXELFORMAT_SVGA 0x01 #define PM2F_RD_PIXELFORMAT_RGB232OFFSET 0x02 #define PM2F_RD_PIXELFORMAT_RGBA2321 0x03 #define PM2F_RD_PIXELFORMAT_RGBA5551 0x04 #define PM2F_RD_PIXELFORMAT_RGBA4444 0x05 #define PM2F_RD_PIXELFORMAT_RGB565 0x06 #define PM2F_RD_PIXELFORMAT_RGBA8888 0x08 #define PM2F_RD_PIXELFORMAT_RGB888 0x09 #define PM2F_RD_GUI_ACTIVE 0x10 #define PM2F_RD_COLOR_MODE_RGB 0x20 #define PM2F_DELTA_ORDER_RGB (1L<<18) #define PM2F_RD_TRUECOLOR 0x80 #define PM2F_NO_ALPHA_BUFFER 0x10 #define PM2F_TEXTEL_SIZE_16 0x00080000 #define PM2F_TEXTEL_SIZE_32 0x00100000 #define PM2F_TEXTEL_SIZE_4 0x00180000 #define PM2F_TEXTEL_SIZE_24 0x00200000 #define PM2F_INCREASE_X (1L<<21) #define PM2F_INCREASE_Y (1L<<22) #define PM2F_CONFIG_FB_WRITE_ENABLE (1L<<3) #define PM2F_CONFIG_FB_PACKED_DATA (1L<<2) #define PM2F_CONFIG_FB_READ_DEST_ENABLE (1L<<1) #define PM2F_CONFIG_FB_READ_SOURCE_ENABLE (1L<<0) #define PM2F_COLOR_KEY_TEST_OFF (1L<<4) #define PM2F_MEM_CONFIG_RAM_MASK (3L<<29) #define PM2F_MEM_BANKS_1 0L #define PM2F_MEM_BANKS_2 (1L<<29) #define PM2F_MEM_BANKS_3 (2L<<29) #define PM2F_MEM_BANKS_4 (3L<<29) #define PM2F_APERTURE_STANDARD 0 #define PM2F_APERTURE_BYTESWAP 1 #define PM2F_APERTURE_HALFWORDSWAP 2 #define PM2F_CURSORMODE_CURSOR_ENABLE (1 << 0) #define PM2F_CURSORMODE_TYPE_X (1 << 4) typedef enum { PM2_TYPE_PERMEDIA2, PM2_TYPE_PERMEDIA2V } pm2type_t; #endif /* PM2FB_H */ /***************************************************************************** * That's all folks! *****************************************************************************/ ode in place already uses similar checks for aborting as well so no further changes are needed. An oops can be reproduced with the new fw_fallback.sh fallback mechanism cancellation test. Either cancelling the fallback mechanism or the custom fallback mechanism triggers a crash. mcgrof@piggy ~/linux-next/tools/testing/selftests/firmware (git::20170111-fw-fixes)$ sudo ./fw_fallback.sh ./fw_fallback.sh: timeout works ./fw_fallback.sh: firmware comparison works ./fw_fallback.sh: fallback mechanism works [ this then sits here when it is trying the cancellation test ] Kernel log: test_firmware: loading 'nope-test-firmware.bin' misc test_firmware: Direct firmware load for nope-test-firmware.bin failed with error -2 misc test_firmware: Falling back to user helper BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 IP: _request_firmware+0xa27/0xad0 PGD 0 Oops: 0000 [#1] SMP Modules linked in: test_firmware(E) ... etc ... CPU: 1 PID: 1396 Comm: fw_fallback.sh Tainted: G W E 4.10.0-rc3-next-20170111+ #30 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014 task: ffff9740b27f4340 task.stack: ffffbb15c0bc8000 RIP: 0010:_request_firmware+0xa27/0xad0 RSP: 0018:ffffbb15c0bcbd10 EFLAGS: 00010246 RAX: 00000000fffffffe RBX: ffff9740afe5aa80 RCX: 0000000000000000 RDX: ffff9740b27f4340 RSI: 0000000000000283 RDI: 0000000000000000 RBP: ffffbb15c0bcbd90 R08: ffffbb15c0bcbcd8 R09: 0000000000000000 R10: 0000000894a0d4b1 R11: 000000000000008c R12: ffffffffc0312480 R13: 0000000000000005 R14: ffff9740b1c32400 R15: 00000000000003e8 FS: 00007f8604422700(0000) GS:ffff9740bfc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000038 CR3: 000000012164c000 CR4: 00000000000006e0 Call Trace: request_firmware+0x37/0x50 trigger_request_store+0x79/0xd0 [test_firmware] dev_attr_store+0x18/0x30 sysfs_kf_write+0x37/0x40 kernfs_fop_write+0x110/0x1a0 __vfs_write+0x37/0x160 ? _cond_resched+0x1a/0x50 vfs_write+0xb5/0x1a0 SyS_write+0x55/0xc0 ? trace_do_page_fault+0x37/0xd0 entry_SYSCALL_64_fastpath+0x1e/0xad RIP: 0033:0x7f8603f49620 RSP: 002b:00007fff6287b788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000055c307b110a0 RCX: 00007f8603f49620 RDX: 0000000000000016 RSI: 000055c3084d8a90 RDI: 0000000000000001 RBP: 0000000000000016 R08: 000000000000c0ff R09: 000055c3084d6336 R10: 000055c307b108b0 R11: 0000000000000246 R12: 000055c307b13c80 R13: 000055c3084d6320 R14: 0000000000000000 R15: 00007fff6287b950 Code: 9f 64 84 e8 9c 61 fe ff b8 f4 ff ff ff e9 6b f9 ff ff 48 c7 c7 40 6b 8d 84 89 45 a8 e8 43 84 18 00 49 8b be 00 03 00 00 8b 45 a8 <83> 7f 38 02 74 08 e8 6e ec ff ff 8b 45 a8 49 c7 86 00 03 00 00 RIP: _request_firmware+0xa27/0xad0 RSP: ffffbb15c0bcbd10 CR2: 0000000000000038 ---[ end trace 6d94ac339c133e6f ]--- Fixes: 5d47ec02c37e ("firmware: Correct handling of fw_state_wait() return value") Reported-and-Tested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reported-and-Tested-by: Patrick Bruenn <p.bruenn@beckhoff.com> Reported-by: Chris Wilson <chris@chris-wilson.co.uk> CC: <stable@vger.kernel.org> [3.10+] Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')