diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mode.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 1540 |
1 files changed, 535 insertions, 1005 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 36d9575aa27b..cd08990a10f9 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -28,183 +28,123 @@ * Authors: Dave Airlie <airlied@redhat.com> */ -#include <linux/export.h> +#include <linux/delay.h> #include <linux/pci.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> -#include <drm/drm_atomic_state_helper.h> +#include <drm/drm_color_mgmt.h> #include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> +#include <drm/drm_damage_helper.h> +#include <drm/drm_format_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_gem_atomic_helper.h> #include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_gem_vram_helper.h> -#include <drm/drm_plane_helper.h> +#include <drm/drm_gem_shmem_helper.h> +#include <drm/drm_managed.h> +#include <drm/drm_panic.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> -#include <drm/drm_simple_kms_helper.h> #include "ast_drv.h" #include "ast_tables.h" +#include "ast_vbios.h" -static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); -static void ast_i2c_destroy(struct ast_i2c_chan *i2c); +#define AST_LUT_SIZE 256 -static inline void ast_load_palette_index(struct ast_private *ast, - u8 index, u8 red, u8 green, - u8 blue) +#define AST_PRIMARY_PLANE_MAX_OFFSET (BIT(16) - 1) + +static unsigned long ast_fb_vram_offset(void) { - ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); - ast_io_read8(ast, AST_IO_SEQ_PORT); - ast_io_write8(ast, AST_IO_DAC_DATA, red); - ast_io_read8(ast, AST_IO_SEQ_PORT); - ast_io_write8(ast, AST_IO_DAC_DATA, green); - ast_io_read8(ast, AST_IO_SEQ_PORT); - ast_io_write8(ast, AST_IO_DAC_DATA, blue); - ast_io_read8(ast, AST_IO_SEQ_PORT); + return 0; // with shmem, the primary plane is always at offset 0 } -static void ast_crtc_load_lut(struct ast_private *ast, struct drm_crtc *crtc) +static unsigned long ast_fb_vram_size(struct ast_device *ast) { - u16 *r, *g, *b; - int i; - - if (!crtc->enabled) - return; - - r = crtc->gamma_store; - g = r + crtc->gamma_size; - b = g + crtc->gamma_size; + struct drm_device *dev = &ast->base; + unsigned long offset = ast_fb_vram_offset(); // starts at offset + long cursor_offset = ast_cursor_vram_offset(ast); // ends at cursor offset + + if (cursor_offset < 0) + cursor_offset = ast->vram_size; // no cursor; it's all ours + if (drm_WARN_ON_ONCE(dev, offset > cursor_offset)) + return 0; // cannot legally happen; signal error + return cursor_offset - offset; +} - for (i = 0; i < 256; i++) - ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); +static void ast_set_gamma_lut(struct drm_crtc *crtc, unsigned int index, + u16 red, u16 green, u16 blue) +{ + struct drm_device *dev = crtc->dev; + struct ast_device *ast = to_ast_device(dev); + u8 i8 = index & 0xff; + u8 r8 = red >> 8; + u8 g8 = green >> 8; + u8 b8 = blue >> 8; + + if (drm_WARN_ON_ONCE(dev, index != i8)) + return; /* driver bug */ + + ast_io_write8(ast, AST_IO_VGADWR, i8); + ast_io_read8(ast, AST_IO_VGASRI); + ast_io_write8(ast, AST_IO_VGAPDR, r8); + ast_io_read8(ast, AST_IO_VGASRI); + ast_io_write8(ast, AST_IO_VGAPDR, g8); + ast_io_read8(ast, AST_IO_VGASRI); + ast_io_write8(ast, AST_IO_VGAPDR, b8); + ast_io_read8(ast, AST_IO_VGASRI); } -static bool ast_get_vbios_mode_info(const struct drm_format_info *format, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - struct ast_vbios_mode_info *vbios_mode) +static void ast_crtc_fill_gamma(struct ast_device *ast, + const struct drm_format_info *format) { - u32 refresh_rate_index = 0, refresh_rate; - const struct ast_vbios_enhtable *best = NULL; - u32 hborder, vborder; - bool check_sync; + struct drm_crtc *crtc = &ast->crtc; - switch (format->cpp[0] * 8) { - case 8: - vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; + switch (format->format) { + case DRM_FORMAT_C8: + /* gamma table is used as color palette */ + drm_crtc_fill_palette_8(crtc, ast_set_gamma_lut); break; - case 16: - vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; - break; - case 24: - case 32: - vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; + case DRM_FORMAT_RGB565: + /* also uses 8-bit gamma ramp on low-color modes */ + fallthrough; + case DRM_FORMAT_XRGB8888: + drm_crtc_fill_gamma_888(crtc, ast_set_gamma_lut); break; default: - return false; + drm_warn_once(&ast->base, "Unsupported format %p4cc for gamma correction\n", + &format->format); + break; } +} - switch (mode->crtc_hdisplay) { - case 640: - vbios_mode->enh_table = &res_640x480[refresh_rate_index]; - break; - case 800: - vbios_mode->enh_table = &res_800x600[refresh_rate_index]; - break; - case 1024: - vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; - break; - case 1280: - if (mode->crtc_vdisplay == 800) - vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; - else - vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; - break; - case 1360: - vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; - break; - case 1440: - vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; - break; - case 1600: - if (mode->crtc_vdisplay == 900) - vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; - else - vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; +static void ast_crtc_load_gamma(struct ast_device *ast, + const struct drm_format_info *format, + struct drm_color_lut *lut) +{ + struct drm_crtc *crtc = &ast->crtc; + + switch (format->format) { + case DRM_FORMAT_C8: + /* gamma table is used as color palette */ + drm_crtc_load_palette_8(crtc, lut, ast_set_gamma_lut); break; - case 1680: - vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; - break; - case 1920: - if (mode->crtc_vdisplay == 1080) - vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; - else - vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; + case DRM_FORMAT_RGB565: + /* also uses 8-bit gamma ramp on low-color modes */ + fallthrough; + case DRM_FORMAT_XRGB8888: + drm_crtc_load_gamma_888(crtc, lut, ast_set_gamma_lut); break; default: - return false; - } - - refresh_rate = drm_mode_vrefresh(mode); - check_sync = vbios_mode->enh_table->flags & WideScreenMode; - - while (1) { - const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; - - while (loop->refresh_rate != 0xff) { - if ((check_sync) && - (((mode->flags & DRM_MODE_FLAG_NVSYNC) && - (loop->flags & PVSync)) || - ((mode->flags & DRM_MODE_FLAG_PVSYNC) && - (loop->flags & NVSync)) || - ((mode->flags & DRM_MODE_FLAG_NHSYNC) && - (loop->flags & PHSync)) || - ((mode->flags & DRM_MODE_FLAG_PHSYNC) && - (loop->flags & NHSync)))) { - loop++; - continue; - } - if (loop->refresh_rate <= refresh_rate - && (!best || loop->refresh_rate > best->refresh_rate)) - best = loop; - loop++; - } - if (best || !check_sync) - break; - check_sync = 0; + drm_warn_once(&ast->base, "Unsupported format %p4cc for gamma correction\n", + &format->format); + break; } - - if (best) - vbios_mode->enh_table = best; - - hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; - vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; - - adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; - adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; - adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; - adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + - vbios_mode->enh_table->hfp; - adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + - vbios_mode->enh_table->hfp + - vbios_mode->enh_table->hsync); - - adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; - adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; - adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; - adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + - vbios_mode->enh_table->vfp; - adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + - vbios_mode->enh_table->vfp + - vbios_mode->enh_table->vsync); - - return true; } -static void ast_set_vbios_color_reg(struct ast_private *ast, +static void ast_set_vbios_color_reg(struct ast_device *ast, const struct drm_format_info *format, - const struct ast_vbios_mode_info *vbios_mode) + const struct ast_vbios_enhtable *vmode) { u32 color_index; @@ -223,135 +163,136 @@ static void ast_set_vbios_color_reg(struct ast_private *ast, return; } - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x8c, (u8)((color_index & 0x0f) << 4)); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x91, 0x00); - if (vbios_mode->enh_table->flags & NewModeInfo) { - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); + if (vmode->flags & NewModeInfo) { + ast_set_index_reg(ast, AST_IO_VGACRI, 0x91, 0xa8); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x92, format->cpp[0] * 8); } } -static void ast_set_vbios_mode_reg(struct ast_private *ast, +static void ast_set_vbios_mode_reg(struct ast_device *ast, const struct drm_display_mode *adjusted_mode, - const struct ast_vbios_mode_info *vbios_mode) + const struct ast_vbios_enhtable *vmode) { u32 refresh_rate_index, mode_id; - refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; - mode_id = vbios_mode->enh_table->mode_id; + refresh_rate_index = vmode->refresh_rate_index; + mode_id = vmode->mode_id; - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x8d, refresh_rate_index & 0xff); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x8e, mode_id & 0xff); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x91, 0x00); - if (vbios_mode->enh_table->flags & NewModeInfo) { - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); + if (vmode->flags & NewModeInfo) { + ast_set_index_reg(ast, AST_IO_VGACRI, 0x91, 0xa8); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x93, adjusted_mode->clock / 1000); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x94, adjusted_mode->crtc_hdisplay); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x95, adjusted_mode->crtc_hdisplay >> 8); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x96, adjusted_mode->crtc_vdisplay); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x97, adjusted_mode->crtc_vdisplay >> 8); } } -static void ast_set_std_reg(struct ast_private *ast, +static void ast_set_std_reg(struct ast_device *ast, struct drm_display_mode *mode, - struct ast_vbios_mode_info *vbios_mode) + const struct ast_vbios_stdtable *stdtable) { - const struct ast_vbios_stdtable *stdtable; u32 i; u8 jreg; - stdtable = vbios_mode->std_table; - jreg = stdtable->misc; - ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); + ast_io_write8(ast, AST_IO_VGAMR_W, jreg); /* Set SEQ; except Screen Disable field */ - ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); - ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); + ast_set_index_reg(ast, AST_IO_VGASRI, 0x00, 0x03); + ast_set_index_reg_mask(ast, AST_IO_VGASRI, 0x01, 0x20, stdtable->seq[0]); for (i = 1; i < 4; i++) { jreg = stdtable->seq[i]; - ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); + ast_set_index_reg(ast, AST_IO_VGASRI, (i + 1), jreg); } /* Set CRTC; except base address and offset */ - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x11, 0x7f, 0x00); for (i = 0; i < 12; i++) - ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); + ast_set_index_reg(ast, AST_IO_VGACRI, i, stdtable->crtc[i]); for (i = 14; i < 19; i++) - ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); + ast_set_index_reg(ast, AST_IO_VGACRI, i, stdtable->crtc[i]); for (i = 20; i < 25; i++) - ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); + ast_set_index_reg(ast, AST_IO_VGACRI, i, stdtable->crtc[i]); /* set AR */ - jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); + jreg = ast_io_read8(ast, AST_IO_VGAIR1_R); for (i = 0; i < 20; i++) { jreg = stdtable->ar[i]; - ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); - ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); + ast_io_write8(ast, AST_IO_VGAARI_W, (u8)i); + ast_io_write8(ast, AST_IO_VGAARI_W, jreg); } - ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); - ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); + ast_io_write8(ast, AST_IO_VGAARI_W, 0x14); + ast_io_write8(ast, AST_IO_VGAARI_W, 0x00); - jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); - ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); + jreg = ast_io_read8(ast, AST_IO_VGAIR1_R); + ast_io_write8(ast, AST_IO_VGAARI_W, 0x20); /* Set GR */ for (i = 0; i < 9; i++) - ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); + ast_set_index_reg(ast, AST_IO_VGAGRI, i, stdtable->gr[i]); } -static void ast_set_crtc_reg(struct ast_private *ast, - struct drm_display_mode *mode, - struct ast_vbios_mode_info *vbios_mode) +static void ast_set_crtc_reg(struct ast_device *ast, struct drm_display_mode *mode, + const struct ast_vbios_enhtable *vmode) { u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; - u16 temp, precache = 0; + u16 temp; + unsigned char crtc_hsync_precatch = 0; - if ((ast->chip == AST2500) && - (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) - precache = 40; + if (ast->quirks->crtc_hsync_precatch_needed && (vmode->flags & AST2500PreCatchCRT)) + crtc_hsync_precatch = 40; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x11, 0x7f, 0x00); temp = (mode->crtc_htotal >> 3) - 5; if (temp & 0x100) jregAC |= 0x01; /* HT D[8] */ - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x00, 0x00, temp); temp = (mode->crtc_hdisplay >> 3) - 1; if (temp & 0x100) jregAC |= 0x04; /* HDE D[8] */ - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x01, 0x00, temp); temp = (mode->crtc_hblank_start >> 3) - 1; if (temp & 0x100) jregAC |= 0x10; /* HBS D[8] */ - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x02, 0x00, temp); temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; if (temp & 0x20) jreg05 |= 0x80; /* HBE D[5] */ if (temp & 0x40) jregAD |= 0x01; /* HBE D[5] */ - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x03, 0xE0, (temp & 0x1f)); - temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; + temp = ((mode->crtc_hsync_start - crtc_hsync_precatch) >> 3) - 1; if (temp & 0x100) jregAC |= 0x40; /* HRS D[5] */ - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x04, 0x00, temp); - temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; + temp = (((mode->crtc_hsync_end - crtc_hsync_precatch) >> 3) - 1) & 0x3f; if (temp & 0x20) jregAD |= 0x04; /* HRE D[5] */ - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xAC, 0x00, jregAC); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xAD, 0x00, jregAD); + + if (ast->quirks->crtc_hsync_add4_needed && mode->crtc_vdisplay == 1080) + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xFC, 0xFD, 0x02); + else + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xFC, 0xFD, 0x00); /* vert timings */ temp = (mode->crtc_vtotal) - 2; @@ -361,7 +302,7 @@ static void ast_set_crtc_reg(struct ast_private *ast, jreg07 |= 0x20; if (temp & 0x400) jregAE |= 0x01; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x06, 0x00, temp); temp = (mode->crtc_vsync_start) - 1; if (temp & 0x100) @@ -370,14 +311,14 @@ static void ast_set_crtc_reg(struct ast_private *ast, jreg07 |= 0x80; if (temp & 0x400) jregAE |= 0x08; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x10, 0x00, temp); temp = (mode->crtc_vsync_end - 1) & 0x3f; if (temp & 0x10) jregAE |= 0x20; if (temp & 0x20) jregAE |= 0x40; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x11, 0x70, temp & 0xf); temp = mode->crtc_vdisplay - 1; if (temp & 0x100) @@ -386,7 +327,7 @@ static void ast_set_crtc_reg(struct ast_private *ast, jreg07 |= 0x40; if (temp & 0x400) jregAE |= 0x02; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x12, 0x00, temp); temp = mode->crtc_vblank_start - 1; if (temp & 0x100) @@ -395,54 +336,49 @@ static void ast_set_crtc_reg(struct ast_private *ast, jreg09 |= 0x20; if (temp & 0x400) jregAE |= 0x04; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x15, 0x00, temp); temp = mode->crtc_vblank_end - 1; if (temp & 0x100) jregAE |= 0x10; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x16, 0x00, temp); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x07, 0x00, jreg07); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x09, 0xdf, jreg09); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xAE, 0x00, (jregAE | 0x80)); - if (precache) - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); + if (crtc_hsync_precatch) + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0x3f, 0x80); else - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0x3f, 0x00); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x11, 0x7f, 0x80); } -static void ast_set_offset_reg(struct ast_private *ast, +static void ast_set_offset_reg(struct ast_device *ast, struct drm_framebuffer *fb) { u16 offset; offset = fb->pitches[0] >> 3; - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x13, (offset & 0xff)); + ast_set_index_reg(ast, AST_IO_VGACRI, 0xb0, (offset >> 8) & 0x3f); } -static void ast_set_dclk_reg(struct ast_private *ast, +static void ast_set_dclk_reg(struct ast_device *ast, struct drm_display_mode *mode, - struct ast_vbios_mode_info *vbios_mode) + const struct ast_vbios_enhtable *vmode) { - const struct ast_vbios_dclk_info *clk_info; + const struct ast_vbios_dclk_info *clk_info = &ast->dclk_table[vmode->dclk_index]; - if (ast->chip == AST2500) - clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; - else - clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; - - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xc0, 0x00, clk_info->param1); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xc1, 0x00, clk_info->param2); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xbb, 0x0f, (clk_info->param3 & 0xc0) | ((clk_info->param3 & 0x3) << 4)); } -static void ast_set_color_reg(struct ast_private *ast, +static void ast_set_color_reg(struct ast_device *ast, const struct drm_format_info *format) { u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; @@ -466,66 +402,87 @@ static void ast_set_color_reg(struct ast_private *ast, break; } - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xa0, 0x8f, jregA0); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xa3, 0xf0, jregA3); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xa8, 0xfd, jregA8); } -static void ast_set_crtthd_reg(struct ast_private *ast) +static void ast_set_crtthd_reg(struct ast_device *ast) { - /* Set Threshold */ - if (ast->chip == AST2300 || ast->chip == AST2400 || - ast->chip == AST2500) { - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); - } else if (ast->chip == AST2100 || - ast->chip == AST1100 || - ast->chip == AST2200 || - ast->chip == AST2150) { - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); - } else { - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); - } + u8 vgacra6 = ast->quirks->crtc_mem_req_threshold_low; + u8 vgacra7 = ast->quirks->crtc_mem_req_threshold_high; + + ast_set_index_reg(ast, AST_IO_VGACRI, 0xa7, vgacra7); + ast_set_index_reg(ast, AST_IO_VGACRI, 0xa6, vgacra6); } -static void ast_set_sync_reg(struct ast_private *ast, +static void ast_set_sync_reg(struct ast_device *ast, struct drm_display_mode *mode, - struct ast_vbios_mode_info *vbios_mode) + const struct ast_vbios_enhtable *vmode) { u8 jreg; - jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); + jreg = ast_io_read8(ast, AST_IO_VGAMR_R); jreg &= ~0xC0; - if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; - if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; - ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); + if (vmode->flags & NVSync) + jreg |= 0x80; + if (vmode->flags & NHSync) + jreg |= 0x40; + ast_io_write8(ast, AST_IO_VGAMR_W, jreg); } -static void ast_set_start_address_crt1(struct ast_private *ast, - unsigned offset) +static void ast_set_start_address_crt1(struct ast_device *ast, + unsigned int offset) { u32 addr; addr = offset >> 2; - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x0d, (u8)(addr & 0xff)); + ast_set_index_reg(ast, AST_IO_VGACRI, 0x0c, (u8)((addr >> 8) & 0xff)); + ast_set_index_reg(ast, AST_IO_VGACRI, 0xaf, (u8)((addr >> 16) & 0xff)); } -static void ast_wait_for_vretrace(struct ast_private *ast) +static void ast_wait_for_vretrace(struct ast_device *ast) { unsigned long timeout = jiffies + HZ; u8 vgair1; do { - vgair1 = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); + vgair1 = ast_io_read8(ast, AST_IO_VGAIR1_R); } while (!(vgair1 & AST_IO_VGAIR1_VREFRESH) && time_before(jiffies, timeout)); } /* + * Planes + */ + +int ast_plane_init(struct drm_device *dev, struct ast_plane *ast_plane, + u64 offset, unsigned long size, + uint32_t possible_crtcs, + const struct drm_plane_funcs *funcs, + const uint32_t *formats, unsigned int format_count, + const uint64_t *format_modifiers, + enum drm_plane_type type) +{ + struct drm_plane *plane = &ast_plane->base; + + ast_plane->offset = offset; + ast_plane->size = size; + + return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, + formats, format_count, format_modifiers, + type, NULL); +} + +void __iomem *ast_plane_vaddr(struct ast_plane *ast_plane) +{ + struct ast_device *ast = to_ast_device(ast_plane->base.dev); + + return ast->vram + ast_plane->offset; +} + +/* * Primary plane */ @@ -538,496 +495,306 @@ static const uint32_t ast_primary_plane_formats[] = { static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state) { - struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, - plane); - struct drm_crtc_state *crtc_state; - struct ast_crtc_state *ast_crtc_state; + struct drm_device *dev = plane->dev; + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); + struct drm_crtc_state *new_crtc_state = NULL; + struct ast_crtc_state *new_ast_crtc_state; int ret; - if (!new_plane_state->crtc) - return 0; - - crtc_state = drm_atomic_get_new_crtc_state(state, - new_plane_state->crtc); + if (new_plane_state->crtc) + new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc); - ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, - DRM_PLANE_HELPER_NO_SCALING, - DRM_PLANE_HELPER_NO_SCALING, + ret = drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state, + DRM_PLANE_NO_SCALING, + DRM_PLANE_NO_SCALING, false, true); - if (ret) + if (ret) { return ret; + } else if (!new_plane_state->visible) { + if (drm_WARN_ON(dev, new_plane_state->crtc)) /* cannot legally happen */ + return -EINVAL; + else + return 0; + } - if (!new_plane_state->visible) - return 0; - - ast_crtc_state = to_ast_crtc_state(crtc_state); + new_ast_crtc_state = to_ast_crtc_state(new_crtc_state); - ast_crtc_state->format = new_plane_state->fb->format; + new_ast_crtc_state->format = new_plane_state->fb->format; return 0; } -static void -ast_primary_plane_helper_atomic_update(struct drm_plane *plane, - struct drm_atomic_state *state) +static void ast_handle_damage(struct ast_plane *ast_plane, struct iosys_map *src, + struct drm_framebuffer *fb, + const struct drm_rect *clip) +{ + struct iosys_map dst = IOSYS_MAP_INIT_VADDR_IOMEM(ast_plane_vaddr(ast_plane)); + + iosys_map_incr(&dst, drm_fb_clip_offset(fb->pitches[0], fb->format, clip)); + drm_fb_memcpy(&dst, fb->pitches, src, fb, clip); +} + +static void ast_primary_plane_helper_atomic_update(struct drm_plane *plane, + struct drm_atomic_state *state) { - struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, - plane); struct drm_device *dev = plane->dev; - struct ast_private *ast = to_ast_private(dev); - struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, - plane); - struct drm_gem_vram_object *gbo; - s64 gpu_addr; - struct drm_framebuffer *fb = new_state->fb; - struct drm_framebuffer *old_fb = old_state->fb; - - if (!old_fb || (fb->format != old_fb->format)) { - struct drm_crtc_state *crtc_state = new_state->crtc->state; + struct ast_device *ast = to_ast_device(dev); + struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane); + struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state); + struct drm_framebuffer *fb = plane_state->fb; + struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane); + struct drm_framebuffer *old_fb = old_plane_state->fb; + struct ast_plane *ast_plane = to_ast_plane(plane); + struct drm_crtc *crtc = plane_state->crtc; + struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + struct drm_rect damage; + struct drm_atomic_helper_damage_iter iter; + + if (!old_fb || (fb->format != old_fb->format) || crtc_state->mode_changed) { struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); - struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info; ast_set_color_reg(ast, fb->format); - ast_set_vbios_color_reg(ast, fb->format, vbios_mode_info); + ast_set_vbios_color_reg(ast, fb->format, ast_crtc_state->vmode); } - gbo = drm_gem_vram_of_gem(fb->obj[0]); - gpu_addr = drm_gem_vram_offset(gbo); - if (drm_WARN_ON_ONCE(dev, gpu_addr < 0)) - return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ + /* if the buffer comes from another device */ + if (drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE) == 0) { + drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state); + drm_atomic_for_each_plane_damage(&iter, &damage) { + ast_handle_damage(ast_plane, shadow_plane_state->data, fb, &damage); + } - ast_set_offset_reg(ast, fb); - ast_set_start_address_crt1(ast, (u32)gpu_addr); + drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE); + } - ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); + /* + * Some BMCs stop scanning out the video signal after the driver + * reprogrammed the offset. This stalls display output for several + * seconds and makes the display unusable. Therefore only update + * the offset if it changes. + */ + if (!old_fb || old_fb->pitches[0] != fb->pitches[0]) + ast_set_offset_reg(ast, fb); } -static void -ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, - struct drm_atomic_state *state) +static void ast_primary_plane_helper_atomic_enable(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct ast_device *ast = to_ast_device(plane->dev); + struct ast_plane *ast_plane = to_ast_plane(plane); + + /* + * Some BMCs stop scanning out the video signal after the driver + * reprogrammed the scanout address. This stalls display + * output for several seconds and makes the display unusable. + * Therefore only reprogram the address after enabling the plane. + */ + ast_set_start_address_crt1(ast, (u32)ast_plane->offset); +} + +static void ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, + struct drm_atomic_state *state) { - struct ast_private *ast = to_ast_private(plane->dev); + /* + * Keep this empty function to avoid calling + * atomic_update when disabling the plane. + */ +} - ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); +static int ast_primary_plane_helper_get_scanout_buffer(struct drm_plane *plane, + struct drm_scanout_buffer *sb) +{ + struct ast_plane *ast_plane = to_ast_plane(plane); + + if (plane->state && plane->state->fb) { + sb->format = plane->state->fb->format; + sb->width = plane->state->fb->width; + sb->height = plane->state->fb->height; + sb->pitch[0] = plane->state->fb->pitches[0]; + iosys_map_set_vaddr_iomem(&sb->map[0], ast_plane_vaddr(ast_plane)); + return 0; + } + return -ENODEV; } static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { - .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, - .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, + DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, .atomic_check = ast_primary_plane_helper_atomic_check, .atomic_update = ast_primary_plane_helper_atomic_update, + .atomic_enable = ast_primary_plane_helper_atomic_enable, .atomic_disable = ast_primary_plane_helper_atomic_disable, + .get_scanout_buffer = ast_primary_plane_helper_get_scanout_buffer, }; static const struct drm_plane_funcs ast_primary_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = drm_plane_cleanup, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, + DRM_GEM_SHADOW_PLANE_FUNCS, }; -static int ast_primary_plane_init(struct ast_private *ast) +static int ast_primary_plane_init(struct ast_device *ast) { struct drm_device *dev = &ast->base; - struct drm_plane *primary_plane = &ast->primary_plane; + struct ast_plane *ast_primary_plane = &ast->primary_plane; + struct drm_plane *primary_plane = &ast_primary_plane->base; + u64 offset = ast_fb_vram_offset(); + unsigned long size = ast_fb_vram_size(ast); int ret; - ret = drm_universal_plane_init(dev, primary_plane, 0x01, - &ast_primary_plane_funcs, - ast_primary_plane_formats, - ARRAY_SIZE(ast_primary_plane_formats), - NULL, DRM_PLANE_TYPE_PRIMARY, NULL); + ret = ast_plane_init(dev, ast_primary_plane, offset, size, + 0x01, &ast_primary_plane_funcs, + ast_primary_plane_formats, ARRAY_SIZE(ast_primary_plane_formats), + NULL, DRM_PLANE_TYPE_PRIMARY); if (ret) { - drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret); + drm_err(dev, "ast_plane_init() failed: %d\n", ret); return ret; } drm_plane_helper_add(primary_plane, &ast_primary_plane_helper_funcs); + drm_plane_enable_fb_damage_clips(primary_plane); return 0; } /* - * Cursor plane + * CRTC */ -static void ast_update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height) -{ - union { - u32 ul; - u8 b[4]; - } srcdata32[2], data32; - union { - u16 us; - u8 b[2]; - } data16; - u32 csum = 0; - s32 alpha_dst_delta, last_alpha_dst_delta; - u8 __iomem *dstxor; - const u8 *srcxor; - int i, j; - u32 per_pixel_copy, two_pixel_copy; - - alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; - last_alpha_dst_delta = alpha_dst_delta - (width << 1); - - srcxor = src; - dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; - per_pixel_copy = width & 1; - two_pixel_copy = width >> 1; - - for (j = 0; j < height; j++) { - for (i = 0; i < two_pixel_copy; i++) { - srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; - srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; - data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); - data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); - data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); - data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); - - writel(data32.ul, dstxor); - csum += data32.ul; - - dstxor += 4; - srcxor += 8; - - } - - for (i = 0; i < per_pixel_copy; i++) { - srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; - data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); - data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); - writew(data16.us, dstxor); - csum += (u32)data16.us; - - dstxor += 2; - srcxor += 4; - } - dstxor += last_alpha_dst_delta; - } - - /* write checksum + signature */ - dst += AST_HWC_SIZE; - writel(csum, dst); - writel(width, dst + AST_HWC_SIGNATURE_SizeX); - writel(height, dst + AST_HWC_SIGNATURE_SizeY); - writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); - writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); -} - -static void ast_set_cursor_base(struct ast_private *ast, u64 address) +static enum drm_mode_status +ast_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) { - u8 addr0 = (address >> 3) & 0xff; - u8 addr1 = (address >> 11) & 0xff; - u8 addr2 = (address >> 19) & 0xff; + struct ast_device *ast = to_ast_device(crtc->dev); + const struct ast_vbios_enhtable *vmode; - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); -} + vmode = ast_vbios_find_mode(ast, mode); + if (!vmode) + return MODE_NOMODE; -static void ast_set_cursor_location(struct ast_private *ast, u16 x, u16 y, - u8 x_offset, u8 y_offset) -{ - u8 x0 = (x & 0x00ff); - u8 x1 = (x & 0x0f00) >> 8; - u8 y0 = (y & 0x00ff); - u8 y1 = (y & 0x0700) >> 8; - - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1); + return MODE_OK; } -static void ast_set_cursor_enabled(struct ast_private *ast, bool enabled) +static void ast_crtc_helper_mode_set_nofb(struct drm_crtc *crtc) { - static const u8 mask = (u8)~(AST_IO_VGACRCB_HWC_16BPP | - AST_IO_VGACRCB_HWC_ENABLED); - - u8 vgacrcb = AST_IO_VGACRCB_HWC_16BPP; + struct drm_device *dev = crtc->dev; + struct ast_device *ast = to_ast_device(dev); + struct drm_crtc_state *crtc_state = crtc->state; + struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); + const struct ast_vbios_stdtable *std_table = ast_crtc_state->std_table; + const struct ast_vbios_enhtable *vmode = ast_crtc_state->vmode; + struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; - if (enabled) - vgacrcb |= AST_IO_VGACRCB_HWC_ENABLED; + /* + * Ensure that no scanout takes place before reprogramming mode + * and format registers. + * + * TODO: Get vblank interrupts working and remove this line. + */ + ast_wait_for_vretrace(ast); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, mask, vgacrcb); + ast_set_vbios_mode_reg(ast, adjusted_mode, vmode); + ast_set_index_reg(ast, AST_IO_VGACRI, 0xa1, 0x06); + ast_set_std_reg(ast, adjusted_mode, std_table); + ast_set_crtc_reg(ast, adjusted_mode, vmode); + ast_set_dclk_reg(ast, adjusted_mode, vmode); + ast_set_crtthd_reg(ast); + ast_set_sync_reg(ast, adjusted_mode, vmode); } -static const uint32_t ast_cursor_plane_formats[] = { - DRM_FORMAT_ARGB8888, -}; - -static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, - struct drm_atomic_state *state) +static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, + struct drm_atomic_state *state) { - struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, - plane); - struct drm_framebuffer *fb = new_plane_state->fb; - struct drm_crtc_state *crtc_state; + struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; + struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); + struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state); + struct drm_device *dev = crtc->dev; + struct ast_device *ast = to_ast_device(dev); + struct ast_crtc_state *ast_state; + const struct drm_format_info *format; + const struct ast_vbios_enhtable *vmode; + unsigned int hborder = 0; + unsigned int vborder = 0; int ret; - if (!new_plane_state->crtc) + if (!crtc_state->enable) return 0; - crtc_state = drm_atomic_get_new_crtc_state(state, - new_plane_state->crtc); - - ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, - DRM_PLANE_HELPER_NO_SCALING, - DRM_PLANE_HELPER_NO_SCALING, - true, true); + ret = drm_atomic_helper_check_crtc_primary_plane(crtc_state); if (ret) return ret; - if (!new_plane_state->visible) - return 0; - - if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) - return -EINVAL; - - return 0; -} - -static void -ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, - struct drm_atomic_state *state) -{ - struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane); - struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, - plane); - struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, - plane); - struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(new_state); - struct drm_framebuffer *fb = new_state->fb; - struct ast_private *ast = to_ast_private(plane->dev); - struct dma_buf_map dst_map = - ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].map; - u64 dst_off = - ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].off; - struct dma_buf_map src_map = shadow_plane_state->map[0]; - unsigned int offset_x, offset_y; - u16 x, y; - u8 x_offset, y_offset; - u8 __iomem *dst; - u8 __iomem *sig; - const u8 *src; - - src = src_map.vaddr; /* TODO: Use mapping abstraction properly */ - dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */ - sig = dst + AST_HWC_SIZE; /* TODO: Use mapping abstraction properly */ - - /* - * Do data transfer to HW cursor BO. If a new cursor image was installed, - * point the scanout engine to dst_gbo's offset and page-flip the HWC buffers. - */ - - ast_update_cursor_image(dst, src, fb->width, fb->height); - - if (new_state->fb != old_state->fb) { - ast_set_cursor_base(ast, dst_off); - - ++ast_cursor_plane->next_hwc_index; - ast_cursor_plane->next_hwc_index %= ARRAY_SIZE(ast_cursor_plane->hwc); - } - - /* - * Update location in HWC signature and registers. - */ - - writel(new_state->crtc_x, sig + AST_HWC_SIGNATURE_X); - writel(new_state->crtc_y, sig + AST_HWC_SIGNATURE_Y); - - offset_x = AST_MAX_HWC_WIDTH - fb->width; - offset_y = AST_MAX_HWC_HEIGHT - fb->height; - - if (new_state->crtc_x < 0) { - x_offset = (-new_state->crtc_x) + offset_x; - x = 0; - } else { - x_offset = offset_x; - x = new_state->crtc_x; - } - if (new_state->crtc_y < 0) { - y_offset = (-new_state->crtc_y) + offset_y; - y = 0; - } else { - y_offset = offset_y; - y = new_state->crtc_y; - } - - ast_set_cursor_location(ast, x, y, x_offset, y_offset); - - /* Dummy write to enable HWC and make the HW pick-up the changes. */ - ast_set_cursor_enabled(ast, true); -} - -static void -ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, - struct drm_atomic_state *state) -{ - struct ast_private *ast = to_ast_private(plane->dev); - - ast_set_cursor_enabled(ast, false); -} - -static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { - DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, - .atomic_check = ast_cursor_plane_helper_atomic_check, - .atomic_update = ast_cursor_plane_helper_atomic_update, - .atomic_disable = ast_cursor_plane_helper_atomic_disable, -}; - -static void ast_cursor_plane_destroy(struct drm_plane *plane) -{ - struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane); - size_t i; - struct drm_gem_vram_object *gbo; - struct dma_buf_map map; - - for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) { - gbo = ast_cursor_plane->hwc[i].gbo; - map = ast_cursor_plane->hwc[i].map; - drm_gem_vram_vunmap(gbo, &map); - drm_gem_vram_unpin(gbo); - drm_gem_vram_put(gbo); - } - - drm_plane_cleanup(plane); -} - -static const struct drm_plane_funcs ast_cursor_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = ast_cursor_plane_destroy, - DRM_GEM_SHADOW_PLANE_FUNCS, -}; + ast_state = to_ast_crtc_state(crtc_state); -static int ast_cursor_plane_init(struct ast_private *ast) -{ - struct drm_device *dev = &ast->base; - struct ast_cursor_plane *ast_cursor_plane = &ast->cursor_plane; - struct drm_plane *cursor_plane = &ast_cursor_plane->base; - size_t size, i; - struct drm_gem_vram_object *gbo; - struct dma_buf_map map; - int ret; - s64 off; + format = ast_state->format; + if (drm_WARN_ON_ONCE(dev, !format)) + return -EINVAL; /* BUG: We didn't set format in primary check(). */ /* - * Allocate backing storage for cursors. The BOs are permanently - * pinned to the top end of the VRAM. + * The gamma LUT has to be reloaded after changing the primary + * plane's color format. */ - - size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); - - for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) { - gbo = drm_gem_vram_create(dev, size, 0); - if (IS_ERR(gbo)) { - ret = PTR_ERR(gbo); - goto err_hwc; - } - ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | - DRM_GEM_VRAM_PL_FLAG_TOPDOWN); - if (ret) - goto err_drm_gem_vram_put; - ret = drm_gem_vram_vmap(gbo, &map); - if (ret) - goto err_drm_gem_vram_unpin; - off = drm_gem_vram_offset(gbo); - if (off < 0) { - ret = off; - goto err_drm_gem_vram_vunmap; + if (old_ast_crtc_state->format != format) + crtc_state->color_mgmt_changed = true; + + if (crtc_state->color_mgmt_changed && crtc_state->gamma_lut) { + if (crtc_state->gamma_lut->length != + AST_LUT_SIZE * sizeof(struct drm_color_lut)) { + drm_err(dev, "Wrong size for gamma_lut %zu\n", + crtc_state->gamma_lut->length); + return -EINVAL; } - ast_cursor_plane->hwc[i].gbo = gbo; - ast_cursor_plane->hwc[i].map = map; - ast_cursor_plane->hwc[i].off = off; } /* - * Create the cursor plane. The plane's destroy callback will release - * the backing storages' BO memory. - */ - - ret = drm_universal_plane_init(dev, cursor_plane, 0x01, - &ast_cursor_plane_funcs, - ast_cursor_plane_formats, - ARRAY_SIZE(ast_cursor_plane_formats), - NULL, DRM_PLANE_TYPE_CURSOR, NULL); - if (ret) { - drm_err(dev, "drm_universal_plane failed(): %d\n", ret); - goto err_hwc; - } - drm_plane_helper_add(cursor_plane, &ast_cursor_plane_helper_funcs); - - return 0; - -err_hwc: - while (i) { - --i; - gbo = ast_cursor_plane->hwc[i].gbo; - map = ast_cursor_plane->hwc[i].map; -err_drm_gem_vram_vunmap: - drm_gem_vram_vunmap(gbo, &map); -err_drm_gem_vram_unpin: - drm_gem_vram_unpin(gbo); -err_drm_gem_vram_put: - drm_gem_vram_put(gbo); - } - return ret; -} - -/* - * CRTC - */ - -static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct ast_private *ast = to_ast_private(crtc->dev); - - /* TODO: Maybe control display signal generation with - * Sync Enable (bit CR17.7). + * Set register tables. + * + * TODO: These tables mix all kinds of fields and should + * probably be resolved into various helper functions. */ - switch (mode) { - case DRM_MODE_DPMS_ON: - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - if (ast->tx_chip_type == AST_TX_DP501) - ast_set_dp501_video_output(crtc->dev, 1); + switch (format->format) { + case DRM_FORMAT_C8: + ast_state->std_table = &vbios_stdtable[VGAModeIndex]; + break; + case DRM_FORMAT_RGB565: + ast_state->std_table = &vbios_stdtable[HiCModeIndex]; break; - case DRM_MODE_DPMS_OFF: - if (ast->tx_chip_type == AST_TX_DP501) - ast_set_dp501_video_output(crtc->dev, 0); + case DRM_FORMAT_RGB888: + case DRM_FORMAT_XRGB8888: + ast_state->std_table = &vbios_stdtable[TrueCModeIndex]; break; + default: + return -EINVAL; } -} - -static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, - struct drm_atomic_state *state) -{ - struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, - crtc); - struct drm_device *dev = crtc->dev; - struct ast_crtc_state *ast_state; - const struct drm_format_info *format; - bool succ; - - if (!crtc_state->enable) - return 0; /* no mode checks if CRTC is being disabled */ - - ast_state = to_ast_crtc_state(crtc_state); - - format = ast_state->format; - if (drm_WARN_ON_ONCE(dev, !format)) - return -EINVAL; /* BUG: We didn't set format in primary check(). */ - succ = ast_get_vbios_mode_info(format, &crtc_state->mode, - &crtc_state->adjusted_mode, - &ast_state->vbios_mode_info); - if (!succ) - return -EINVAL; + /* + * Find the VBIOS mode and adjust the DRM display mode accordingly + * if a full modeset is required. Otherwise keep the existing values. + */ + if (drm_atomic_crtc_needs_modeset(crtc_state)) { + vmode = ast_vbios_find_mode(ast, &crtc_state->mode); + if (!vmode) + return -EINVAL; + ast_state->vmode = vmode; + + if (vmode->flags & HBorder) + hborder = 8; + if (vmode->flags & VBorder) + vborder = 8; + + adjusted_mode->crtc_hdisplay = vmode->hde; + adjusted_mode->crtc_hblank_start = vmode->hde + hborder; + adjusted_mode->crtc_hblank_end = vmode->ht - hborder; + adjusted_mode->crtc_hsync_start = vmode->hde + hborder + vmode->hfp; + adjusted_mode->crtc_hsync_end = vmode->hde + hborder + vmode->hfp + vmode->hsync; + adjusted_mode->crtc_htotal = vmode->ht; + + adjusted_mode->crtc_vdisplay = vmode->vde; + adjusted_mode->crtc_vblank_start = vmode->vde + vborder; + adjusted_mode->crtc_vblank_end = vmode->vt - vborder; + adjusted_mode->crtc_vsync_start = vmode->vde + vborder + vmode->vfp; + adjusted_mode->crtc_vsync_end = vmode->vde + vborder + vmode->vfp + vmode->vsync; + adjusted_mode->crtc_vtotal = vmode->vt; + } return 0; } @@ -1038,53 +805,45 @@ ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, { struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); - struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, - crtc); - struct ast_private *ast = to_ast_private(crtc->dev); + struct drm_device *dev = crtc->dev; + struct ast_device *ast = to_ast_device(dev); struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); - struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state); /* * The gamma LUT has to be reloaded after changing the primary * plane's color format. */ - if (old_ast_crtc_state->format != ast_crtc_state->format) - ast_crtc_load_lut(ast, crtc); + if (crtc_state->enable && crtc_state->color_mgmt_changed) { + if (crtc_state->gamma_lut) + ast_crtc_load_gamma(ast, + ast_crtc_state->format, + crtc_state->gamma_lut->data); + else + ast_crtc_fill_gamma(ast, ast_crtc_state->format); + } } -static void -ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, - struct drm_atomic_state *state) +static void ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state) { - struct drm_device *dev = crtc->dev; - struct ast_private *ast = to_ast_private(dev); - struct drm_crtc_state *crtc_state = crtc->state; - struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); - struct ast_vbios_mode_info *vbios_mode_info = - &ast_crtc_state->vbios_mode_info; - struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; + struct ast_device *ast = to_ast_device(crtc->dev); + u8 vgacr17 = 0x00; + u8 vgacrb6 = 0xff; - ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); - ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); - ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); - ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); - ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); - ast_set_crtthd_reg(ast); - ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); + vgacr17 |= AST_IO_VGACR17_SYNC_ENABLE; + vgacrb6 &= ~(AST_IO_VGACRB6_VSYNC_OFF | AST_IO_VGACRB6_HSYNC_OFF); - ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x17, 0x7f, vgacr17); + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xfc, vgacrb6); } -static void -ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, - struct drm_atomic_state *state) +static void ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state) { - struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, - crtc); - struct drm_device *dev = crtc->dev; - struct ast_private *ast = to_ast_private(dev); + struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); + struct ast_device *ast = to_ast_device(crtc->dev); + u8 vgacr17 = 0xff; - ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + vgacr17 &= ~AST_IO_VGACR17_SYNC_ENABLE; + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x17, 0x7f, vgacr17); /* * HW cursors require the underlying primary plane and CRTC to @@ -1097,15 +856,11 @@ ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, * simple pageflips on the planes. */ drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); - - /* - * Ensure that no scanout takes place before reprogramming mode - * and format registers. - */ - ast_wait_for_vretrace(ast); } static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { + .mode_valid = ast_crtc_helper_mode_valid, + .mode_set_nofb = ast_crtc_helper_mode_set_nofb, .atomic_check = ast_crtc_helper_atomic_check, .atomic_flush = ast_crtc_helper_atomic_flush, .atomic_enable = ast_crtc_helper_atomic_enable, @@ -1120,7 +875,10 @@ static void ast_crtc_reset(struct drm_crtc *crtc) if (crtc->state) crtc->funcs->atomic_destroy_state(crtc, crtc->state); - __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); + if (ast_state) + __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); + else + __drm_atomic_helper_crtc_reset(crtc, NULL); } static struct drm_crtc_state * @@ -1140,8 +898,8 @@ ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) ast_state = to_ast_crtc_state(crtc->state); new_ast_state->format = ast_state->format; - memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, - sizeof(new_ast_state->vbios_mode_info)); + new_ast_state->std_table = ast_state->std_table; + new_ast_state->vmode = ast_state->vmode; return &new_ast_state->base; } @@ -1164,205 +922,87 @@ static const struct drm_crtc_funcs ast_crtc_funcs = { .atomic_destroy_state = ast_crtc_atomic_destroy_state, }; -static int ast_crtc_init(struct drm_device *dev) +static int ast_crtc_init(struct ast_device *ast) { - struct ast_private *ast = to_ast_private(dev); + struct drm_device *dev = &ast->base; struct drm_crtc *crtc = &ast->crtc; int ret; - ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane, - &ast->cursor_plane.base, &ast_crtc_funcs, + ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane.base, + &ast->cursor_plane.base.base, &ast_crtc_funcs, NULL); if (ret) return ret; - drm_mode_crtc_set_gamma_size(crtc, 256); + drm_mode_crtc_set_gamma_size(crtc, AST_LUT_SIZE); + drm_crtc_enable_color_mgmt(crtc, 0, false, AST_LUT_SIZE); + drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs); return 0; } /* - * Encoder + * Mode config */ -static int ast_encoder_init(struct drm_device *dev) +static void ast_mode_config_helper_atomic_commit_tail(struct drm_atomic_state *state) { - struct ast_private *ast = to_ast_private(dev); - struct drm_encoder *encoder = &ast->encoder; - int ret; - - ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); - if (ret) - return ret; + struct ast_device *ast = to_ast_device(state->dev); - encoder->possible_crtcs = 1; - - return 0; -} - -/* - * Connector - */ - -static int ast_get_modes(struct drm_connector *connector) -{ - struct ast_connector *ast_connector = to_ast_connector(connector); - struct ast_private *ast = to_ast_private(connector->dev); - struct edid *edid; - int ret; - bool flags = false; - if (ast->tx_chip_type == AST_TX_DP501) { - ast->dp501_maxclk = 0xff; - edid = kmalloc(128, GFP_KERNEL); - if (!edid) - return -ENOMEM; - - flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); - if (flags) - ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); - else - kfree(edid); - } - if (!flags) - edid = drm_get_edid(connector, &ast_connector->i2c->adapter); - if (edid) { - drm_connector_update_edid_property(&ast_connector->base, edid); - ret = drm_add_edid_modes(connector, edid); - kfree(edid); - return ret; - } else - drm_connector_update_edid_property(&ast_connector->base, NULL); - return 0; -} - -static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct ast_private *ast = to_ast_private(connector->dev); - int flags = MODE_NOMODE; - uint32_t jtemp; - - if (ast->support_wide_screen) { - if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) - return MODE_OK; - if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) - return MODE_OK; - if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) - return MODE_OK; - if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) - return MODE_OK; - if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) - return MODE_OK; - - if ((ast->chip == AST2100) || (ast->chip == AST2200) || - (ast->chip == AST2300) || (ast->chip == AST2400) || - (ast->chip == AST2500)) { - if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) - return MODE_OK; - - if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { - jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); - if (jtemp & 0x01) - return MODE_NOMODE; - else - return MODE_OK; - } - } - } - switch (mode->hdisplay) { - case 640: - if (mode->vdisplay == 480) flags = MODE_OK; - break; - case 800: - if (mode->vdisplay == 600) flags = MODE_OK; - break; - case 1024: - if (mode->vdisplay == 768) flags = MODE_OK; - break; - case 1280: - if (mode->vdisplay == 1024) flags = MODE_OK; - break; - case 1600: - if (mode->vdisplay == 1200) flags = MODE_OK; - break; - default: - return flags; - } - - return flags; -} - -static void ast_connector_destroy(struct drm_connector *connector) -{ - struct ast_connector *ast_connector = to_ast_connector(connector); - ast_i2c_destroy(ast_connector->i2c); - drm_connector_cleanup(connector); + /* + * Concurrent operations could possibly trigger a call to + * drm_connector_helper_funcs.get_modes by reading the display + * modes. Protect access to registers by acquiring the modeset + * lock. + */ + mutex_lock(&ast->modeset_lock); + drm_atomic_helper_commit_tail(state); + mutex_unlock(&ast->modeset_lock); } -static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { - .get_modes = ast_get_modes, - .mode_valid = ast_mode_valid, -}; - -static const struct drm_connector_funcs ast_connector_funcs = { - .reset = drm_atomic_helper_connector_reset, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = ast_connector_destroy, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +static const struct drm_mode_config_helper_funcs ast_mode_config_helper_funcs = { + .atomic_commit_tail = ast_mode_config_helper_atomic_commit_tail, }; -static int ast_connector_init(struct drm_device *dev) +static enum drm_mode_status ast_mode_config_mode_valid(struct drm_device *dev, + const struct drm_display_mode *mode) { - struct ast_private *ast = to_ast_private(dev); - struct ast_connector *ast_connector = &ast->connector; - struct drm_connector *connector = &ast_connector->base; - struct drm_encoder *encoder = &ast->encoder; - - ast_connector->i2c = ast_i2c_create(dev); - if (!ast_connector->i2c) - drm_err(dev, "failed to add ddc bus for connector\n"); - - drm_connector_init_with_ddc(dev, connector, - &ast_connector_funcs, - DRM_MODE_CONNECTOR_VGA, - &ast_connector->i2c->adapter); - - drm_connector_helper_add(connector, &ast_connector_helper_funcs); - - connector->interlace_allowed = 0; - connector->doublescan_allowed = 0; - - connector->polled = DRM_CONNECTOR_POLL_CONNECT; - - drm_connector_attach_encoder(connector, encoder); - - return 0; + const struct drm_format_info *info = drm_format_info(DRM_FORMAT_XRGB8888); + struct ast_device *ast = to_ast_device(dev); + unsigned long max_fb_size = ast_fb_vram_size(ast); + u64 pitch; + + if (drm_WARN_ON_ONCE(dev, !info)) + return MODE_ERROR; /* driver bug */ + + pitch = drm_format_info_min_pitch(info, 0, mode->hdisplay); + if (!pitch) + return MODE_BAD_WIDTH; + if (pitch > AST_PRIMARY_PLANE_MAX_OFFSET) + return MODE_BAD_WIDTH; /* maximum programmable pitch */ + if (pitch > max_fb_size / mode->vdisplay) + return MODE_MEM; + + return MODE_OK; } -/* - * Mode config - */ - -static const struct drm_mode_config_helper_funcs -ast_mode_config_helper_funcs = { - .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, -}; - static const struct drm_mode_config_funcs ast_mode_config_funcs = { - .fb_create = drm_gem_fb_create, - .mode_valid = drm_vram_helper_mode_valid, + .fb_create = drm_gem_fb_create_with_dirty, + .mode_valid = ast_mode_config_mode_valid, .atomic_check = drm_atomic_helper_check, .atomic_commit = drm_atomic_helper_commit, }; -int ast_mode_config_init(struct ast_private *ast) +int ast_mode_config_init(struct ast_device *ast) { struct drm_device *dev = &ast->base; - struct pci_dev *pdev = to_pci_dev(dev->dev); int ret; + ret = drmm_mutex_init(dev, &ast->modeset_lock); + if (ret) + return ret; + ret = drmm_mode_config_init(dev); if (ret) return ret; @@ -1371,14 +1011,8 @@ int ast_mode_config_init(struct ast_private *ast) dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; dev->mode_config.preferred_depth = 24; - dev->mode_config.prefer_shadow = 1; - dev->mode_config.fb_base = pci_resource_start(pdev, 0); - - if (ast->chip == AST2100 || - ast->chip == AST2200 || - ast->chip == AST2300 || - ast->chip == AST2400 || - ast->chip == AST2500) { + + if (ast->support_fullhd) { dev->mode_config.max_width = 1920; dev->mode_config.max_height = 2048; } else { @@ -1388,7 +1022,6 @@ int ast_mode_config_init(struct ast_private *ast) dev->mode_config.helper_private = &ast_mode_config_helper_funcs; - ret = ast_primary_plane_init(ast); if (ret) return ret; @@ -1397,132 +1030,29 @@ int ast_mode_config_init(struct ast_private *ast) if (ret) return ret; - ast_crtc_init(dev); - ast_encoder_init(dev); - ast_connector_init(dev); - - drm_mode_config_reset(dev); - - return 0; -} - -static int get_clock(void *i2c_priv) -{ - struct ast_i2c_chan *i2c = i2c_priv; - struct ast_private *ast = to_ast_private(i2c->dev); - uint32_t val, val2, count, pass; - - count = 0; - pass = 0; - val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; - do { - val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; - if (val == val2) { - pass++; - } else { - pass = 0; - val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; - } - } while ((pass < 5) && (count++ < 0x10000)); - - return val & 1 ? 1 : 0; -} - -static int get_data(void *i2c_priv) -{ - struct ast_i2c_chan *i2c = i2c_priv; - struct ast_private *ast = to_ast_private(i2c->dev); - uint32_t val, val2, count, pass; - - count = 0; - pass = 0; - val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; - do { - val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; - if (val == val2) { - pass++; - } else { - pass = 0; - val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; - } - } while ((pass < 5) && (count++ < 0x10000)); - - return val & 1 ? 1 : 0; -} - -static void set_clock(void *i2c_priv, int clock) -{ - struct ast_i2c_chan *i2c = i2c_priv; - struct ast_private *ast = to_ast_private(i2c->dev); - int i; - u8 ujcrb7, jtemp; - - for (i = 0; i < 0x10000; i++) { - ujcrb7 = ((clock & 0x01) ? 0 : 1); - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); - jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); - if (ujcrb7 == jtemp) - break; - } -} - -static void set_data(void *i2c_priv, int data) -{ - struct ast_i2c_chan *i2c = i2c_priv; - struct ast_private *ast = to_ast_private(i2c->dev); - int i; - u8 ujcrb7, jtemp; - - for (i = 0; i < 0x10000; i++) { - ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; - ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); - jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); - if (ujcrb7 == jtemp) - break; - } -} - -static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) -{ - struct ast_i2c_chan *i2c; - int ret; - - i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); - if (!i2c) - return NULL; + ret = ast_crtc_init(ast); + if (ret) + return ret; - i2c->adapter.owner = THIS_MODULE; - i2c->adapter.class = I2C_CLASS_DDC; - i2c->adapter.dev.parent = dev->dev; - i2c->dev = dev; - i2c_set_adapdata(&i2c->adapter, i2c); - snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), - "AST i2c bit bus"); - i2c->adapter.algo_data = &i2c->bit; - - i2c->bit.udelay = 20; - i2c->bit.timeout = 2; - i2c->bit.data = i2c; - i2c->bit.setsda = set_data; - i2c->bit.setscl = set_clock; - i2c->bit.getsda = get_data; - i2c->bit.getscl = get_clock; - ret = i2c_bit_add_bus(&i2c->adapter); - if (ret) { - drm_err(dev, "Failed to register bit i2c\n"); - goto out_free; + switch (ast->tx_chip) { + case AST_TX_NONE: + ret = ast_vga_output_init(ast); + break; + case AST_TX_SIL164: + ret = ast_sil164_output_init(ast); + break; + case AST_TX_DP501: + ret = ast_dp501_output_init(ast); + break; + case AST_TX_ASTDP: + ret = ast_astdp_output_init(ast); + break; } + if (ret) + return ret; - return i2c; -out_free: - kfree(i2c); - return NULL; -} + drm_mode_config_reset(dev); + drmm_kms_helper_poll_init(dev); -static void ast_i2c_destroy(struct ast_i2c_chan *i2c) -{ - if (!i2c) - return; - i2c_del_adapter(&i2c->adapter); - kfree(i2c); + return 0; } |