From: Jiaxun Yang <jiaxun.yang@flygoat.com> To: Fredrik Noring <noring@nocrew.org>, linux-mips@vger.kernel.org Subject: Re: [PATCH 094/120] MIPS: PS2: FB: Frame buffer driver for the PlayStation 2 Date: Mon, 2 Sep 2019 09:12:22 +0800 Message-ID: <1003c9cc-c30e-00a7-7494-4f1cb4862e88@flygoat.com> (raw) In-Reply-To: <4927c42fb3401c42c4c5a077f272331ac79d80b1.1567326213.git.noring@nocrew.org> 在 2019/9/2 0:26, Fredrik Noring 写道: > The main limitation is the lack of mmap, since the Graphics Synthesizer > has local frame buffer memory that is not directly accessible from the > main bus. The GS has 4 MiB of local memory. > > The console drawing primitives are synchronous to allow printk at any > time. This is highly useful for debugging but it is not the fastest > possible implementation. The console is nevertheless very fast and > makes use of several hardware accelerated features of the Graphics > Synthesizer. > > The maximum practical resolution is 1920x1080p at 16 bits per pixel that > requires 4147200 bytes of local memory, leaving 47104 bytes for a tiled > font, which at 8x8 pixels and a minimum 4 bits indexed texture palette is > at most 1464 characters. The indexed palette makes switching colours easy. > &struct fb_tile_ops is accelerated with GS texture sprites that are fast > (GS local copy) for the kernel via simple DMA GS commands via the GIF. > > Signed-off-by: Fredrik Noring <noring@nocrew.org> Hi Fredik, According to kernel policy[1] no more new FBDev driver would be accepted. Please refactor it to DRM. Thanks. [1] http://lkml.iu.edu/hypermail/linux/kernel/1509.3/00253.html -- Jiaxun Yang > --- > drivers/video/fbdev/Kconfig | 12 + > drivers/video/fbdev/Makefile | 1 + > drivers/video/fbdev/ps2fb.c | 533 +++++++++++++++++++++++++++++++++ > include/linux/console_struct.h | 2 + > include/uapi/linux/fb.h | 1 + > 5 files changed, 549 insertions(+) > create mode 100644 drivers/video/fbdev/ps2fb.c > > diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig > index 6b2de93bd302..cc93cbd67b01 100644 > --- a/drivers/video/fbdev/Kconfig > +++ b/drivers/video/fbdev/Kconfig > @@ -1999,6 +1999,18 @@ config FB_IBM_GXT4500 > doesn't use Geometry Engine GT1000. This driver also supports > AGP Fire GL2/3/4 cards on x86. > > +# FIXME FB_SYS_* > +config FB_PS2 > + tristate "Frame buffer driver for Sony Playstation 2" > + depends on FB && SONY_PS2 > + select PS2_GS > + select FB_TILEBLITTING > + default y > + help > + Frame buffer driver for the Sony Playstation 2 Graphics Synthesizer. > + Memory mapping is not supported since the frame buffer is local to > + the GS. > + > config FB_PS3 > tristate "PS3 GPU framebuffer driver" > depends on FB && PS3_PS3AV > diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile > index 7dc4861a93e6..1e55fa8ca4af 100644 > --- a/drivers/video/fbdev/Makefile > +++ b/drivers/video/fbdev/Makefile > @@ -105,6 +105,7 @@ obj-$(CONFIG_FB_S3C2410) += s3c2410fb.o > obj-$(CONFIG_FB_FSL_DIU) += fsl-diu-fb.o > obj-$(CONFIG_FB_COBALT) += cobalt_lcdfb.o > obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o > +obj-$(CONFIG_FB_PS2) += ps2fb.o > obj-$(CONFIG_FB_PS3) += ps3fb.o > obj-$(CONFIG_FB_SM501) += sm501fb.o > obj-$(CONFIG_FB_UDL) += udlfb.o > diff --git a/drivers/video/fbdev/ps2fb.c b/drivers/video/fbdev/ps2fb.c > new file mode 100644 > index 000000000000..7bfbc3c2aa4d > --- /dev/null > +++ b/drivers/video/fbdev/ps2fb.c > @@ -0,0 +1,533 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * PlayStation 2 frame buffer driver > + * > + * Copyright (C) 2019 Fredrik Noring > + */ > + > +/** > + * DOC: The PlayStation 2 frame buffer console > + * > + * The frame buffer supports a tiled frame buffer console. The main limitation > + * is the lack of memory mapping (mmap), since the Graphics Synthesizer has > + * local frame buffer memory that is not directly accessible from the main bus. > + * The GS has 4 MiB of local memory. > + * > + * The console drawing primitives are synchronous to allow printk at any time. > + * This is highly useful for debugging but it is not the fastest possible > + * implementation. The console is nevertheless very fast and makes use of > + * several hardware accelerated features of the Graphics Synthesizer. > + * > + * The maximum practical resolution is 1920x1080p at 16 bits per pixel that > + * requires 4147200 bytes of local memory, leaving 47104 bytes for a tiled > + * font, which at 8x8 pixels and a minimum 4 bits indexed texture palette is > + * at most 1464 characters. The indexed palette makes switching colours easy. > + * &struct fb_tile_ops is accelerated with GS texture sprites that are fast > + * (GS local copy) for the kernel via simple DMA GS commands via the GIF. > + * > + * The local memory is organised as follows: first comes the display buffer, > + * then one block of a palette, and finally the font installed as a texture. > + * > + * All frame buffer transmissions are done by DMA via GIF PATH3. > + */ > + > +#include <linux/bitops.h> > +#include <linux/delay.h> > +#include <linux/dma-mapping.h> > +#include <linux/interrupt.h> > +#include <linux/errno.h> > +#include <linux/fb.h> > +#include <linux/init.h> > +#include <linux/kernel.h> > +#include <linux/mm.h> > +#include <linux/module.h> > +#include <linux/of_device.h> > +#include <linux/string.h> > +#include <linux/uaccess.h> > + > +#include <asm/io.h> > + > +#include <asm/mach-ps2/dmac.h> > +#include <asm/mach-ps2/gif.h> > +#include <asm/mach-ps2/gs.h> > +#include <asm/mach-ps2/gs-registers.h> > + > +#include <uapi/asm/gif.h> > +#include <uapi/asm/gs.h> > + > +#define DEVICE_NAME "ps2fb" > + > +#define PALETTE_BLOCK_COUNT 1 /* One block is used for the indexed colors */ > + > +/* Module parameters */ > +static char *mode_option; > + > +union package { > + union gif_data gif; > + struct dma_tag dma; > +}; > + > +/** > + * struct tile_texture - texture representing a tile > + * @tbp: texture base pointer > + * @u: texel u coordinate (x coordinate) > + * @v: texel v coordinate (y coordinate) > + */ > +struct tile_texture { > + u32 tbp; > + u32 u; > + u32 v; > +}; > + > +/** > + * struct console_buffer - console buffer > + * @block_count: number of frame buffer blocks > + * @bg: background color index > + * @fg: foreground color index > + * @tile: tile dimensions > + * @tile.width: width in pixels > + * @tile.height: height in pixels > + * @tile.width2: least width in pixels, power of 2 > + * @tile.height2: least height in pixels, power of 2 > + * @tile.block: tiles are stored as textures in the PSMT4 pixel storage format > + * with both cols and rows as powers of 2 > + * @tile.block.cols: tile columns per GS block > + * @tile.block.rows: tile rows per GS block > + */ > +struct console_buffer { > + u32 block_count; > + > + u32 bg; > + u32 fg; > + > + struct cb_tile { > + u32 width; > + u32 height; > + > + u32 width2; > + u32 height2; > + > + struct { > + u32 cols; > + u32 rows; > + } block; > + } tile; > +}; > + > +/** > + * struct ps2fb_par - driver specific structure > + * @lock: spin lock to be taken for all structure operations > + * @cb: console buffer definition > + * @package: tags and datafor the GIF > + * @package.capacity: maximum number of GIF packages in 16-byte unit > + * @package.buffer: DMA buffer for GIF packages > + */ > +struct ps2fb_par { > + spinlock_t lock; > + > + struct console_buffer cb; > + > + struct { > + size_t capacity; > + union package *buffer; > + } package; > +}; > + > +/** > + * texture_least_power_of_2 - round up to a power of 2, not less than 8 > + * @n: integer to round up > + * > + * Return: least integer that is a power of 2 and not less than @n or 8 > + */ > +static u32 texture_least_power_of_2(u32 n) > +{ > + return max(1 << get_count_order(n), 8); > +} > + > +/** > + * cb_tile - create a console buffer tile object > + * @width: width of tile in pixels > + * @height: height of tile in pixels > + * > + * Return: a console buffer tile object with the given width and height > + */ > +static struct cb_tile cb_tile(u32 width, u32 height) > +{ > + const u32 width2 = texture_least_power_of_2(width); > + const u32 height2 = texture_least_power_of_2(height); > + > + return (struct cb_tile) { > + .width = width, > + .height = height, > + > + .width2 = width2, > + .height2 = height2, > + > + .block = { > + .cols = GS_PSMT4_BLOCK_WIDTH / width2, > + .rows = GS_PSMT4_BLOCK_HEIGHT / height2, > + }, > + }; > +} > + > +/** > + * display_buffer_size - display buffer size for a given video resolution > + * > + * This calculation is a lower bound estimate. A precise calculation would have > + * to take memory pages, blocks and column arrangements into account. To choose > + * the appropriate standard video mode such details can be disregarded, though. > + * > + * Return: the size in bytes of the display buffer > + */ > +static u32 display_buffer_size(const u32 xres_virtual, const u32 yres_virtual, > + const u32 bits_per_pixel) > +{ > + return (xres_virtual * yres_virtual * bits_per_pixel) / 8; > +} > + > +/** > + * ps2fb_cb_get_tilemax - maximum number of tiles > + * @info: frame buffer info object > + * > + * Return: the maximum number of tiles > + */ > +static int ps2fb_cb_get_tilemax(struct fb_info *info) > +{ > + const struct ps2fb_par *par = info->par; > + const u32 block_tile_count = > + par->cb.tile.block.cols * > + par->cb.tile.block.rows; > + const s32 blocks_available = > + GS_BLOCK_COUNT - par->cb.block_count - PALETTE_BLOCK_COUNT; > + > + return blocks_available > 0 ? blocks_available * block_tile_count : 0; > +} > + > +/** > + * bits_per_pixel_fits - does the given resolution fit the given buffer size? > + * @xres_virtual: virtual x resolution in pixels > + * @yres_virtual: virtual y resolution in pixels > + * @bits_per_pixel: number of bits per pixel > + * @buffer_size: size in bytes of display buffer > + * > + * The size calculation is approximate, but accurate enough for the standard > + * video modes. > + * > + * Return: %true if the resolution fits the given buffer size, otherwise %false > + */ > +static bool bits_per_pixel_fits(const u32 xres_virtual, const u32 yres_virtual, > + const int bits_per_pixel, const size_t buffer_size) > +{ > + return display_buffer_size(xres_virtual, yres_virtual, > + bits_per_pixel) <= buffer_size; > +} > + > +/** > + * default_bits_per_pixel - choose either 16 or 32 bits per pixel > + * @xres_virtual: virtual x resolution in pixels > + * @yres_virtual: virtual y resolution in pixels > + * @buffer_size: size in bytes of display buffer > + * > + * 32 bits per pixel is returned unless this does not fit the given buffer size. > + * > + * The size calculation is approximate, but accurate enough for the standard > + * video modes. > + * > + * Return: 16 or 32 bits per pixel > + */ > +static int default_bits_per_pixel( > + const u32 xres_virtual, const u32 yres_virtual, > + const size_t buffer_size) > +{ > + return bits_per_pixel_fits(xres_virtual, yres_virtual, > + 32, buffer_size) ? 32 : 16; > +} > + > +/** > + * filled_var_videomode - is the screen info video mode filled in? > + * @var: screen info object to check > + * > + * Return: %true if the video mode is filled in, otherwise %false > + */ > +static bool filled_var_videomode(const struct fb_var_screeninfo *var) > +{ > + return var->xres > 0 && var->hsync_len > 0 && > + var->yres > 0 && var->vsync_len > 0 && var->pixclock > 0; > +} > + > +static int ps2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) > +{ > + /* Check whether video mode defaults are needed. */ > + if (!filled_var_videomode(var)) { > + const struct fb_videomode *vm = > + fb_find_best_mode(var, &info->modelist); > + > + if (!vm) > + return -EINVAL; > + > + fb_videomode_to_var(var, vm); > + } > + > + /* GS video register resolution is limited to 2048. */ > + if (var->xres < 1 || 2048 < var->xres || > + var->yres < 1 || 2048 < var->yres) > + return -EINVAL; > + > + var->xres_virtual = var->xres; > + var->yres_virtual = var->yres; > + var->xoffset = 0; > + var->yoffset = 0; > + > + /* Check bits per pixel. */ > + if (!var->bits_per_pixel) > + var->bits_per_pixel = default_bits_per_pixel( > + var->xres_virtual, var->yres_virtual, info->fix.smem_len); > + else if (var->bits_per_pixel != 16 && > + var->bits_per_pixel != 32) > + return -EINVAL; > + if (!bits_per_pixel_fits(var->xres_virtual, var->yres_virtual, > + var->bits_per_pixel, info->fix.smem_len)) > + var->bits_per_pixel = default_bits_per_pixel( > + var->xres_virtual, var->yres_virtual, info->fix.smem_len); > + if (!bits_per_pixel_fits(var->xres_virtual, var->yres_virtual, > + var->bits_per_pixel, info->fix.smem_len)) > + return -ENOMEM; > + if (var->bits_per_pixel == 16) { > + var->red = (struct fb_bitfield){ .offset = 0, .length = 5 }; > + var->green = (struct fb_bitfield){ .offset = 5, .length = 5 }; > + var->blue = (struct fb_bitfield){ .offset = 10, .length = 5 }; > + var->transp = (struct fb_bitfield){ .offset = 15, .length = 1 }; > + } else if (var->bits_per_pixel == 32) { > + var->red = (struct fb_bitfield){ .offset = 0, .length = 8 }; > + var->green = (struct fb_bitfield){ .offset = 8, .length = 8 }; > + var->blue = (struct fb_bitfield){ .offset = 16, .length = 8 }; > + var->transp = (struct fb_bitfield){ .offset = 24, .length = 8 }; > + } else > + return -EINVAL; /* Unsupported bits per pixel. */ > + > + /* Screen rotations are not supported. */ > + if (var->rotate) > + return -EINVAL; > + > + return 0; > +} > + > +static int ps2fb_cb_check_var( > + struct fb_var_screeninfo *var, struct fb_info *info) > +{ > + struct ps2fb_par *par = info->par; > + unsigned long flags; > + int err; > + > + spin_lock_irqsave(&par->lock, flags); > + err = ps2fb_check_var(var, info); > + spin_unlock_irqrestore(&par->lock, flags); > + > + if (!err && info->tileops) > + if (info->tileops->fb_get_tilemax(info) < 256) > + err = -ENOMEM; > + > + return err; > +} > + > +static u32 block_dimensions(u32 dim, u32 alignment) > +{ > + u32 mask = 0; > + u32 d; > + > + for (d = 1; d <= dim; d++) > + if (d % alignment == 0) > + mask |= 1 << (d - 1); > + > + return mask; > +} > + > +static int init_console_buffer(struct platform_device *pdev, > + struct fb_info *info) > +{ > + static struct fb_ops fbops = { > + .owner = THIS_MODULE, > + .fb_check_var = ps2fb_cb_check_var, > + }; > + > + static struct fb_tile_ops tileops = { > + .fb_get_tilemax = ps2fb_cb_get_tilemax > + }; > + > + struct ps2fb_par *par = info->par; > + > + fb_info(info, "Graphics Synthesizer console frame buffer device\n"); > + > + info->screen_size = 0; > + info->screen_base = NULL; /* mmap is unsupported by hardware */ > + > + info->fix.smem_start = 0; /* GS frame buffer is local memory */ > + info->fix.smem_len = GS_MEMORY_SIZE; > + > + info->fbops = &fbops; > + info->flags = FBINFO_DEFAULT | > + FBINFO_READS_FAST; > + > + info->flags |= FBINFO_MISC_TILEBLITTING; > + info->tileops = &tileops; > + > + /* > + * BITBLTBUF for pixel format CT32 requires divisibility by 2, > + * and CT16 requires divisibility by 4. So 4 is a safe choice. > + */ > + info->pixmap.blit_x = block_dimensions(GS_PSMT4_BLOCK_WIDTH, 4); > + info->pixmap.blit_y = block_dimensions(GS_PSMT4_BLOCK_HEIGHT, 1); > + > + /* 8x8 default font tile size for fb_get_tilemax */ > + par->cb.tile = cb_tile(8, 8); > + > + return 0; > +} > + > +static int ps2fb_probe(struct platform_device *pdev) > +{ > + struct ps2fb_par *par; > + struct fb_info *info; > + int err; > + > + info = framebuffer_alloc(sizeof(*par), &pdev->dev); > + if (info == NULL) { > + dev_err(&pdev->dev, "framebuffer_alloc failed\n"); > + err = -ENOMEM; > + goto err_framebuffer_alloc; > + } > + > + par = info->par; > + > + spin_lock_init(&par->lock); > + > + par->package.buffer = (union package *)__get_free_page(GFP_DMA); > + if (!par->package.buffer) { > + dev_err(&pdev->dev, "Failed to allocate package buffer\n"); > + err = -ENOMEM; > + goto err_package_buffer; > + } > + par->package.capacity = PAGE_SIZE / sizeof(union package); > + > + strlcpy(info->fix.id, "PS2 GS", ARRAY_SIZE(info->fix.id)); > + info->fix.accel = FB_ACCEL_PLAYSTATION_2; > + > + err = init_console_buffer(pdev, info); > + if (err < 0) > + goto err_init_buffer; > + > + info->mode = &par->mode; > + > + if (register_framebuffer(info) < 0) { > + fb_err(info, "register_framebuffer failed\n"); > + err = -EINVAL; > + goto err_register_framebuffer; > + } > + > + platform_set_drvdata(pdev, info); > + > + return 0; > + > +err_register_framebuffer: > +err_init_buffer: > + free_page((unsigned long)par->package.buffer); > +err_package_buffer: > + framebuffer_release(info); > +err_framebuffer_alloc: > + return err; > +} > + > +static int ps2fb_remove(struct platform_device *pdev) > +{ > + struct fb_info *info = platform_get_drvdata(pdev); > + struct ps2fb_par *par = info->par; > + int err = 0; > + > + if (info != NULL) { > + unregister_framebuffer(info); > + fb_dealloc_cmap(&info->cmap); > + > + framebuffer_release(info); > + } > + > + if (!gif_wait()) { > + fb_err(info, "Failed to complete GIF DMA transfer\n"); > + err = -EBUSY; > + } > + free_page((unsigned long)par->package.buffer); > + > + return err; > +} > + > +static struct platform_driver ps2fb_driver = { > + .probe = ps2fb_probe, > + .remove = ps2fb_remove, > + .driver = { > + .name = DEVICE_NAME, > + }, > +}; > + > +static struct platform_device *ps2fb_device; > + > +static int __init ps2fb_init(void) > +{ > + int err; > + > +#ifndef MODULE > + char *options = NULL; > + char *this_opt; > + > + if (fb_get_options(DEVICE_NAME, &options)) > + return -ENODEV; > + if (!options || !*options) > + goto no_options; > + > + while ((this_opt = strsep(&options, ",")) != NULL) { > + if (!*this_opt) > + continue; > + > + if (!strncmp(this_opt, "mode_option:", 12)) > + mode_option = &this_opt[12]; > + else if ('0' <= this_opt[0] && this_opt[0] <= '9') > + mode_option = this_opt; > + else > + pr_warn(DEVICE_NAME ": Unrecognized option \"%s\"\n", > + this_opt); > + } > + > +no_options: > +#endif /* !MODULE */ > + > + /* Default to a suitable PAL or NTSC broadcast mode. */ > + if (!mode_option) > + mode_option = gs_region_pal() ? "576x460i@50" : "576x384i@60"; > + > + ps2fb_device = platform_device_alloc("ps2fb", 0); > + if (!ps2fb_device) > + return -ENOMEM; > + > + err = platform_device_add(ps2fb_device); > + if (err < 0) { > + platform_device_put(ps2fb_device); > + return err; > + } > + > + return platform_driver_register(&ps2fb_driver); > +} > + > +static void __exit ps2fb_exit(void) > +{ > + platform_driver_unregister(&ps2fb_driver); > + platform_device_unregister(ps2fb_device); > +} > + > +module_init(ps2fb_init); > +module_exit(ps2fb_exit); > + > +module_param(mode_option, charp, 0); > +MODULE_PARM_DESC(mode_option, > + "Specify initial video mode as \"<xres>x<yres>[-<bpp>][@<refresh>]\""); > + > +MODULE_DESCRIPTION("PlayStation 2 frame buffer driver"); > +MODULE_AUTHOR("Fredrik Noring"); > +MODULE_LICENSE("GPL"); > diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h > index 24d4c16e3ae0..cb562672cc3a 100644 > --- a/include/linux/console_struct.h > +++ b/include/linux/console_struct.h > @@ -13,9 +13,11 @@ > #ifndef _LINUX_CONSOLE_STRUCT_H > #define _LINUX_CONSOLE_STRUCT_H > > +#include <linux/tty.h> > #include <linux/wait.h> > #include <linux/vt.h> > #include <linux/workqueue.h> > +#include <uapi/linux/kd.h> > > struct uni_pagedir; > struct uni_screen; > diff --git a/include/uapi/linux/fb.h b/include/uapi/linux/fb.h > index b6aac7ee1f67..38d88eebf651 100644 > --- a/include/uapi/linux/fb.h > +++ b/include/uapi/linux/fb.h > @@ -149,6 +149,7 @@ > #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ > #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ > #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ > +#define FB_ACCEL_PLAYSTATION_2 0x8f /* PlayStation 2 */ > > #define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */ >
next prev parent reply index Thread overview: 160+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-09-01 15:35 [PATCH 000/120] Linux " Fredrik Noring 2019-09-01 15:35 ` [PATCH 001/120] MIPS: R5900: Initial support for the Emotion Engine in " Fredrik Noring 2019-09-01 21:14 ` Maciej W. Rozycki 2019-09-02 15:09 ` Fredrik Noring 2019-09-01 15:36 ` [PATCH 002/120] MIPS: R5900: Trap the RDHWR instruction as an SQ address exception Fredrik Noring 2019-09-01 22:00 ` Maciej W. Rozycki 2020-11-19 7:15 ` Philippe Mathieu-Daudé 2020-11-19 13:28 ` Maciej W. Rozycki 2020-11-19 13:42 ` Maciej W. Rozycki 2020-12-12 10:58 ` Fredrik Noring 2020-12-12 11:36 ` Maciej W. Rozycki 2020-12-12 12:14 ` Fredrik Noring 2020-12-13 11:43 ` Fredrik Noring 2019-09-01 15:36 ` [PATCH 003/120] MIPS: R5900: Sign-extend o32 system call registers Fredrik Noring 2019-09-01 15:37 ` [PATCH 004/120] MIPS: R5900: Reset bits 127..64 of GPRs in RESTORE_SOME Fredrik Noring 2019-09-01 15:38 ` [PATCH 005/120] MIPS: R5900: Reset the funnel shift amount (SA) register " Fredrik Noring 2019-09-01 15:38 ` [PATCH 006/120] MIPS: R5900: Workaround for the short loop bug Fredrik Noring 2019-09-01 15:39 ` [PATCH 007/120] MIPS: R5900: Add the SYNC.P instruction Fredrik Noring 2019-09-01 15:39 ` [PATCH 008/120] MIPS: R5900: Add implicit SYNC.P to the UASM_i_M[FT]C0 macros Fredrik Noring 2019-09-01 15:39 ` [PATCH 009/120] MIPS: R5900: Add mandatory SYNC.P to all M[FT]C0 instructions Fredrik Noring 2019-09-01 15:39 ` [PATCH 010/120] MIPS: R5900: Workaround exception NOP execution bug (FLX05) Fredrik Noring 2019-09-01 23:01 ` Philippe Mathieu-Daudé 2019-09-01 15:40 ` [PATCH 011/120] MIPS: R5900: Avoid pipeline hazard with the TLBP instruction Fredrik Noring 2019-09-01 17:15 ` Sergei Shtylyov 2019-09-01 17:36 ` Fredrik Noring 2019-09-01 15:40 ` [PATCH 012/120] MIPS: R5900: Avoid pipeline hazards with the TLBW[IR] instructions Fredrik Noring 2019-09-01 15:40 ` [PATCH 013/120] MIPS: R5900: Avoid pipeline hazard with the TLBR instruction Fredrik Noring 2019-09-01 15:41 ` [PATCH 014/120] MIPS: R5900: Install final length of TLB refill handler rather than 256 bytes Fredrik Noring 2019-09-01 15:41 ` [PATCH 015/120] MIPS: R5900: Verify that the TLB refill handler does not overflow Fredrik Noring 2019-09-01 15:41 ` [PATCH 016/120] MIPS: R5900: The ERET instruction has issues with delay slot and CACHE Fredrik Noring 2019-09-01 15:42 ` [PATCH 017/120] MIPS: R5900: Define CACHE instruction operation field encodings Fredrik Noring 2019-09-01 15:42 ` [PATCH 018/120] MIPS: R5900: Workaround where MSB must be 0 for the instruction cache Fredrik Noring 2019-09-01 15:42 ` [PATCH 019/120] MIPS: R5900: Use SYNC.L for data cache and SYNC.P for " Fredrik Noring 2019-09-01 15:43 ` [PATCH 020/120] MIPS: R5900: Define CP0.Config register fields Fredrik Noring 2019-09-01 23:04 ` Philippe Mathieu-Daudé 2019-09-01 15:43 ` [PATCH 021/120] MIPS: R5900: Workaround for CACHE instruction near branch delay slot Fredrik Noring 2019-09-01 15:46 ` [PATCH 022/120] MIPS: R5900: Support 64-bit inq() and outq() macros in 32-bit kernels Fredrik Noring 2019-09-04 1:04 ` Jiaxun Yang 2019-09-04 16:00 ` Maciej W. Rozycki 2019-09-01 15:46 ` [PATCH 023/120] MIPS: R5900: Add MFSA and MTSA instructions for the special SA register Fredrik Noring 2019-09-01 15:46 ` [PATCH 024/120] MIPS: PS2: Define PlayStation 2 I/O port, ROM and RAM address spaces Fredrik Noring 2019-09-01 15:47 ` [PATCH 025/120] MIPS: PS2: Define interrupt controller, DMA and timer IRQs Fredrik Noring 2019-09-01 15:47 ` [PATCH 026/120] MIPS: PS2: Interrupt controller (INTC) IRQ support Fredrik Noring 2019-09-01 15:47 ` [PATCH 027/120] MIPS: PS2: DMAC: Define DMA controller registers Fredrik Noring 2019-09-01 15:47 ` [PATCH 028/120] MIPS: PS2: DMAC: Define tag structures Fredrik Noring 2019-09-01 15:48 ` [PATCH 029/120] MIPS: PS2: DMAC: IRQ support Fredrik Noring 2019-09-01 15:48 ` [PATCH 030/120] MIPS: PS2: Timer support Fredrik Noring 2019-09-01 15:48 ` [PATCH 031/120] MIPS: PS2: SCMD: System command support Fredrik Noring 2019-09-01 15:48 ` [PATCH 032/120] MIPS: PS2: SCMD: System power off command Fredrik Noring 2019-09-01 15:48 ` [PATCH 033/120] MIPS: PS2: SCMD: Read system machine name command Fredrik Noring 2019-09-01 15:49 ` [PATCH 034/120] MIPS: PS2: SCMD: Read system command for the real-time clock (RTC) Fredrik Noring 2019-09-01 15:49 ` [PATCH 035/120] MIPS: PS2: SCMD: Set " Fredrik Noring 2019-09-01 15:49 ` [PATCH 036/120] MIPS: PS2: ROM: Iterate over the files in a given ROM directory Fredrik Noring 2019-09-01 15:49 ` [PATCH 037/120] MIPS: PS2: ROM: Find ROM files with a given name, if they exist Fredrik Noring 2019-09-01 15:50 ` [PATCH 038/120] MIPS: PS2: ROM: Read data for a given ROM file name Fredrik Noring 2019-09-02 9:05 ` Sergei Shtylyov 2019-09-04 11:46 ` Sergei Shtylyov 2019-09-06 13:07 ` Fredrik Noring 2019-09-01 15:50 ` [PATCH 039/120] MIPS: PS2: ROM: Read extended information for a given ROM file Fredrik Noring 2019-09-01 15:50 ` [PATCH 040/120] MIPS: PS2: ROM: Read and decode the ROMVER file Fredrik Noring 2019-09-01 15:52 ` [PATCH 041/120] MIPS: PS2: ROM: Resolve the name for the type in " Fredrik Noring 2019-09-01 15:52 ` [PATCH 042/120] MIPS: PS2: ROM: Resolve the name for the region " Fredrik Noring 2019-09-01 15:53 ` [PATCH 043/120] MIPS: PS2: ROM: Permit /dev/mem to access read-only memory Fredrik Noring 2019-09-01 15:53 ` [PATCH 044/120] MIPS: PS2: ROM: Sysfs module to inspect ROM files Fredrik Noring 2019-09-01 15:54 ` [PATCH 045/120] MIPS: PS2: ROM: Provide extended file information via sysfs Fredrik Noring 2019-09-01 15:54 ` [PATCH 046/120] MIPS: PS2: Identify the machine by model name Fredrik Noring 2019-09-01 15:54 ` [PATCH 047/120] MIPS: PS2: Let the system type be Sony PlayStation 2 Fredrik Noring 2019-09-01 23:09 ` Philippe Mathieu-Daudé 2019-09-01 15:55 ` [PATCH 048/120] MIPS: Define and use cpu_relax_forever() for various halting loops Fredrik Noring 2019-09-01 15:55 ` [PATCH 049/120] MIPS: PS2: Power off support Fredrik Noring 2019-09-01 15:55 ` [PATCH 050/120] MIPS: PS2: Real-time clock (RTC) driver Fredrik Noring 2019-09-01 15:56 ` [PATCH 051/120] MIPS: PS2: IOP: I/O processor DMA register PCR2 set and clear Fredrik Noring 2019-09-01 15:57 ` [PATCH 052/120] MIPS: PS2: SIF: Sub-system interface reset of the I/O processor (IOP) Fredrik Noring 2019-09-01 15:57 ` [PATCH 053/120] MIPS: PS2: IOP: Define error numbers, descriptions and errno mapping Fredrik Noring 2019-09-01 15:58 ` [PATCH 054/120] MIPS: PS2: SIF: SIF register write command support Fredrik Noring 2019-09-01 15:58 ` [PATCH 055/120] MIPS: PS2: SIF: Respond to remote procedure call (RPC) bind command Fredrik Noring 2019-09-01 15:58 ` [PATCH 056/120] MIPS: PS2: SIF: Respond to RPC bind end command Fredrik Noring 2019-09-01 15:59 ` [PATCH 057/120] MIPS: PS2: SIF: Reset the SIF0 (sub-to-main) DMA controller Fredrik Noring 2019-09-01 15:59 ` [PATCH 058/120] MIPS: PS2: SIF: Handle SIF0 (sub-to-main) RPCs via interrupts Fredrik Noring 2019-09-01 15:59 ` [PATCH 059/120] MIPS: PS2: SIF: Enable the IOP to issue SIF commands Fredrik Noring 2019-09-01 16:00 ` [PATCH 060/120] MIPS: PS2: SIF: Enable the IOP to issue SIF RPCs Fredrik Noring 2019-09-01 16:01 ` [PATCH 061/120] MIPS: PS2: SIF: sif_rpc_bind() to request an RPC server connection Fredrik Noring 2019-09-01 16:02 ` [PATCH 062/120] MIPS: PS2: SIF: sif_rpc_unbind() to release " Fredrik Noring 2019-09-01 16:02 ` [PATCH 063/120] MIPS: PS2: SIF: sif_rpc() to issue a remote procedure call Fredrik Noring 2019-09-01 16:03 ` [PATCH 064/120] MIPS: PS2: IOP: Permit /dev/mem to access IOP memory Fredrik Noring 2019-09-01 16:03 ` [PATCH 065/120] MIPS: PS2: IOP: I/O processor memory support Fredrik Noring 2019-09-01 16:10 ` [PATCH 066/120] FIXME: Export _dma_cache_{wback,wback_inv,inv} Fredrik Noring 2019-09-01 16:10 ` [PATCH 067/120] MIPS: PS2: IOP: Module linking support Fredrik Noring 2019-09-01 16:11 ` [PATCH 068/120] MIPS: PS2: IOP: Verify that modules are IRX objects Fredrik Noring 2019-09-01 16:11 ` [PATCH 069/120] MIPS: PS2: IOP: Module version compatibility verification Fredrik Noring 2019-09-01 16:11 ` [PATCH 070/120] MIPS: PS2: IOP: Avoid linking already linked library modules Fredrik Noring 2019-09-01 16:12 ` [PATCH 071/120] MIPS: PS2: IOP: Resolve module dependencies Fredrik Noring 2019-09-01 16:12 ` [PATCH 072/120] MIPS: PS2: IOP: SIF printk command support Fredrik Noring 2019-09-01 17:44 ` Sergei Shtylyov 2019-09-01 18:08 ` Fredrik Noring 2019-09-01 16:16 ` [PATCH 073/120] MIPS: PS2: IOP: Heap memory allocate and free Fredrik Noring 2019-09-01 16:16 ` [PATCH 074/120] MIPS: PS2: SIF: Request RPC IRQ command Fredrik Noring 2019-09-01 16:17 ` [PATCH 075/120] MIPS: PS2: IOP: IRQ support Fredrik Noring 2019-09-01 16:17 ` [PATCH 076/120] MIPS: PS2: GS: Define privileged Graphics Synthesizer registers Fredrik Noring 2019-09-01 16:18 ` [PATCH 077/120] MIPS: PS2: GS: Write privileged registers Fredrik Noring 2019-09-01 16:18 ` [PATCH 078/120] MIPS: PS2: GS: Read " Fredrik Noring 2019-09-01 16:18 ` [PATCH 079/120] MIPS: PS2: GS: Define privileged register structures Fredrik Noring 2019-09-01 16:19 ` [PATCH 080/120] MIPS: PS2: GS: Define gs_xorq_imr() Fredrik Noring 2019-09-01 16:20 ` [PATCH 081/120] MIPS: PS2: GS: Privileged register write macros with named fields Fredrik Noring 2019-09-01 16:20 ` [PATCH 082/120] MIPS: PS2: GS: IRQ support Fredrik Noring 2019-09-01 16:21 ` [PATCH 083/120] MIPS: PS2: GS: Define Graphics Synthesizer primitive structures Fredrik Noring 2019-09-01 16:21 ` [PATCH 084/120] MIPS: PS2: GIF: Define Graphics Synthesizer interface structures Fredrik Noring 2019-09-01 16:22 ` [PATCH 085/120] MIPS: PS2: GIF: Graphics Synthesizer interface support Fredrik Noring 2019-09-01 16:22 ` [PATCH 086/120] MIPS: PS2: GS: Graphics Synthesizer device init and video clock Fredrik Noring 2019-09-01 16:23 ` [PATCH 087/120] MIPS: PS2: GS: Compute block count and indices Fredrik Noring 2019-09-01 16:23 ` [PATCH 088/120] MIPS: PS2: GS: Primitive and texel coordinate transformations Fredrik Noring 2019-09-01 16:23 ` [PATCH 089/120] MIPS: PS2: GS: Approximate video region with ROM region Fredrik Noring 2019-09-01 16:24 ` [PATCH 090/120] macro: Extend COUNT_ARGS() from 12 to 32 arguments Fredrik Noring 2019-09-01 16:25 ` [PATCH 091/120] MIPS: PS2: GS: Show privileged registers with sysfs Fredrik Noring 2019-09-01 16:25 ` [PATCH 092/120] MIPS: PS2: GS: Store " Fredrik Noring 2019-09-01 16:25 ` [PATCH 093/120] fbdev: Add fb_warn_once() variant that only prints a warning once Fredrik Noring 2019-09-01 23:12 ` Philippe Mathieu-Daudé 2019-09-01 16:26 ` [PATCH 094/120] MIPS: PS2: FB: Frame buffer driver for the PlayStation 2 Fredrik Noring 2019-09-02 1:12 ` Jiaxun Yang [this message] 2019-09-02 14:40 ` Fredrik Noring 2019-09-02 17:47 ` Aaro Koskinen 2019-09-03 14:32 ` Fredrik Noring 2019-09-03 4:01 ` Jiaxun Yang 2019-09-03 17:42 ` Fredrik Noring 2019-09-03 17:59 ` Maciej W. Rozycki 2019-09-03 18:46 ` Fredrik Noring 2020-12-13 13:20 ` Fredrik Noring 2019-09-01 16:30 ` [PATCH 095/120] MIPS: PS2: FB: fb_set_par() standard-definition television support Fredrik Noring 2019-09-01 16:30 ` [PATCH 096/120] MIPS: PS2: FB: fb_set_par() high-definition " Fredrik Noring 2019-09-01 16:31 ` [PATCH 097/120] MIPS: PS2: FB: fb_set_par() VESA computer display mode support Fredrik Noring 2019-09-01 16:31 ` [PATCH 098/120] MIPS: PS2: FB: Preconfigure standard PAL, NTSC and VESA display modes Fredrik Noring 2019-09-01 16:31 ` [PATCH 099/120] MIPS: PS2: FB: Reset the Graphics Synthesizer drawing environment Fredrik Noring 2019-09-01 16:32 ` [PATCH 100/120] MIPS: PS2: FB: Clear the display buffer when changing video modes Fredrik Noring 2019-09-01 16:32 ` [PATCH 101/120] MIPS: PS2: FB: fb_setcolreg() 256 colour pseudo palette support Fredrik Noring 2019-09-01 16:32 ` [PATCH 102/120] MIPS: PS2: FB: fb_settile() with font stored as palette indexed textures Fredrik Noring 2019-09-01 16:32 ` [PATCH 103/120] MIPS: PS2: FB: Hardware accelerated fb_tilecopy() support Fredrik Noring 2019-09-01 16:33 ` [PATCH 104/120] MIPS: PS2: FB: Hardware accelerated fb_tilefill() support Fredrik Noring 2019-09-01 16:33 ` [PATCH 105/120] MIPS: PS2: FB: Simplified fb_tileblit() support Fredrik Noring 2019-09-01 16:33 ` [PATCH 106/120] MIPS: PS2: FB: fb_tilecursor() placeholder Fredrik Noring 2019-09-01 16:33 ` [PATCH 107/120] MIPS: PS2: FB: Hardware accelerated fb_pan_display() support Fredrik Noring 2019-09-01 16:34 ` [PATCH 108/120] MIPS: PS2: FB: fb_blank() display power management signaling (DPMS) Fredrik Noring 2019-09-01 16:34 ` [PATCH 109/120] MIPS: PS2: FB: Disable GIF DMA completion interrupts Fredrik Noring 2019-09-01 16:34 ` [PATCH 110/120] MIPS: PS2: FB: PAL and NTSC grayscale support Fredrik Noring 2019-09-01 16:34 ` [PATCH 111/120] MIPS: PS2: FB: Analogue display mode adjustment module parameter Fredrik Noring 2019-09-01 16:35 ` [PATCH 112/120] USB: OHCI: Support for the PlayStation 2 Fredrik Noring 2019-09-01 16:35 ` [PATCH 113/120] USB: OHCI: OHCI_INTR_MIE workaround for freeze on " Fredrik Noring 2019-09-01 16:35 ` [PATCH 114/120] MIPS: PS2: Workaround for unexpected uLaunchELF CP0 Status user mode Fredrik Noring 2019-09-01 16:35 ` [PATCH 115/120] MIPS: PS2: Define initial PlayStation 2 devices Fredrik Noring 2019-09-01 16:35 ` [PATCH 116/120] MIPS: PS2: Define workarounds related to the PlayStation 2 Fredrik Noring 2019-09-01 16:36 ` [PATCH 117/120] MIPS: PS2: Define R5900 feature overrides Fredrik Noring 2019-09-01 16:36 ` [PATCH 118/120] MIPS: PS2: Define the PlayStation 2 platform Fredrik Noring 2019-09-01 16:36 ` [PATCH 119/120] MIPS: PS2: Initial support for the Sony PlayStation 2 Fredrik Noring 2019-09-01 16:37 ` [PATCH 120/120] MIPS: Fix name of BOOT_MEM_ROM_DATA Fredrik Noring 2019-09-01 23:15 ` Philippe Mathieu-Daudé 2019-09-02 1:02 ` Jiaxun Yang 2019-09-02 15:26 ` Fredrik Noring 2019-09-03 3:50 ` Jiaxun Yang 2019-09-03 16:06 ` Fredrik Noring 2019-09-04 14:19 ` [PATCH 000/120] Linux for the PlayStation 2 Paul Burton 2019-09-05 18:32 ` Fredrik Noring
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