diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dsi.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dsi.c | 160 |
1 files changed, 83 insertions, 77 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index e1be5e795cd8..f060bda31235 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -289,7 +289,7 @@ struct dsi_clk_calc_ctx { struct dss_pll_clock_info dsi_cinfo; struct dispc_clock_info dispc_cinfo; - struct omap_video_timings dispc_vm; + struct videomode vm; struct omap_dss_dsi_videomode_timings dsi_vm; }; @@ -383,7 +383,7 @@ struct dsi_data { unsigned scp_clk_refcount; struct dss_lcd_mgr_config mgr_config; - struct omap_video_timings timings; + struct videomode vm; enum omap_dss_dsi_pixel_format pix_fmt; enum omap_dss_dsi_mode mode; struct omap_dss_dsi_videomode_timings vm_timings; @@ -3321,12 +3321,12 @@ static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev) if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { int bpp = dsi_get_pixel_size(dsi->pix_fmt); - struct omap_video_timings *timings = &dsi->timings; + struct videomode *vm = &dsi->vm; /* * Don't use line buffers if width is greater than the video * port's line buffer size */ - if (dsi->line_buffer_size <= timings->x_res * bpp / 8) + if (dsi->line_buffer_size <= vm->hactive * bpp / 8) num_line_buffers = 0; else num_line_buffers = 2; @@ -3453,7 +3453,7 @@ static void dsi_config_cmd_mode_interleaving(struct platform_device *dsidev) int ddr_clk_pre, ddr_clk_post, enter_hs_mode_lat, exit_hs_mode_lat; int tclk_trail, ths_exit, exiths_clk; bool ddr_alwon; - struct omap_video_timings *timings = &dsi->timings; + struct videomode *vm = &dsi->vm; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int ndl = dsi->num_lanes_used - 1; int dsi_fclk_hsdiv = dsi->user_dsi_cinfo.mX[HSDIV_DSI] + 1; @@ -3494,7 +3494,7 @@ static void dsi_config_cmd_mode_interleaving(struct platform_device *dsidev) exiths_clk = ths_exit + tclk_trail; - width_bytes = DIV_ROUND_UP(timings->x_res * bpp, 8); + width_bytes = DIV_ROUND_UP(vm->hactive * bpp, 8); bllp = hbp + hfp + hsa + DIV_ROUND_UP(width_bytes + 6, ndl); if (!hsa_blanking_mode) { @@ -3705,7 +3705,7 @@ static void dsi_proto_timings(struct platform_device *dsidev) int vbp = dsi->vm_timings.vbp; int window_sync = dsi->vm_timings.window_sync; bool hsync_end; - struct omap_video_timings *timings = &dsi->timings; + struct videomode *vm = &dsi->vm; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int tl, t_he, width_bytes; @@ -3713,7 +3713,7 @@ static void dsi_proto_timings(struct platform_device *dsidev) t_he = hsync_end ? ((hsa == 0 && ndl == 3) ? 1 : DIV_ROUND_UP(4, ndl)) : 0; - width_bytes = DIV_ROUND_UP(timings->x_res * bpp, 8); + width_bytes = DIV_ROUND_UP(vm->hactive * bpp, 8); /* TL = t_HS + HSA + t_HE + HFP + ceil((WC + 6) / NDL) + HBP */ tl = DIV_ROUND_UP(4, ndl) + (hsync_end ? hsa : 0) + t_he + hfp + @@ -3722,7 +3722,7 @@ static void dsi_proto_timings(struct platform_device *dsidev) DSSDBG("HBP: %d, HFP: %d, HSA: %d, TL: %d TXBYTECLKHS\n", hbp, hfp, hsync_end ? hsa : 0, tl); DSSDBG("VBP: %d, VFP: %d, VSA: %d, VACT: %d lines\n", vbp, vfp, - vsa, timings->y_res); + vsa, vm->vactive); r = dsi_read_reg(dsidev, DSI_VM_TIMING1); r = FLD_MOD(r, hbp, 11, 0); /* HBP */ @@ -3738,7 +3738,7 @@ static void dsi_proto_timings(struct platform_device *dsidev) dsi_write_reg(dsidev, DSI_VM_TIMING2, r); r = dsi_read_reg(dsidev, DSI_VM_TIMING3); - r = FLD_MOD(r, timings->y_res, 14, 0); /* VACT */ + r = FLD_MOD(r, vm->vactive, 14, 0); /* VACT */ r = FLD_MOD(r, tl, 31, 16); /* TL */ dsi_write_reg(dsidev, DSI_VM_TIMING3, r); } @@ -3856,7 +3856,7 @@ static int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) /* MODE, 1 = video mode */ REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 4, 4); - word_count = DIV_ROUND_UP(dsi->timings.x_res * bpp, 8); + word_count = DIV_ROUND_UP(dsi->vm.hactive * bpp, 8); dsi_vc_write_long_header(dsidev, channel, data_type, word_count, 0); @@ -3918,8 +3918,8 @@ static void dsi_update_screen_dispc(struct platform_device *dsidev) int r; const unsigned channel = dsi->update_channel; const unsigned line_buf_size = dsi->line_buffer_size; - u16 w = dsi->timings.x_res; - u16 h = dsi->timings.y_res; + u16 w = dsi->vm.hactive; + u16 h = dsi->vm.vactive; DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h); @@ -3969,7 +3969,7 @@ static void dsi_update_screen_dispc(struct platform_device *dsidev) msecs_to_jiffies(250)); BUG_ON(r == 0); - dss_mgr_set_timings(dispc_channel, &dsi->timings); + dss_mgr_set_timings(dispc_channel, &dsi->vm); dss_mgr_start_update(dispc_channel); @@ -4056,8 +4056,8 @@ static int dsi_update(struct omap_dss_device *dssdev, int channel, dsi->framedone_callback = callback; dsi->framedone_data = data; - dw = dsi->timings.x_res; - dh = dsi->timings.y_res; + dw = dsi->vm.hactive; + dh = dsi->vm.vactive; #ifdef DSI_PERF_MEASURE dsi->update_bytes = dw * dh * @@ -4120,16 +4120,21 @@ static int dsi_display_init_dispc(struct platform_device *dsidev, /* * override interlace, logic level and edge related parameters in - * omap_video_timings with default values + * videomode with default values */ - dsi->timings.interlace = false; - dsi->timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH; - dsi->timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH; - dsi->timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE; - dsi->timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH; - dsi->timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE; - - dss_mgr_set_timings(channel, &dsi->timings); + dsi->vm.flags &= ~DISPLAY_FLAGS_INTERLACED; + dsi->vm.flags &= ~DISPLAY_FLAGS_HSYNC_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_HSYNC_HIGH; + dsi->vm.flags &= ~DISPLAY_FLAGS_VSYNC_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_VSYNC_HIGH; + dsi->vm.flags &= ~DISPLAY_FLAGS_PIXDATA_NEGEDGE; + dsi->vm.flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; + dsi->vm.flags &= ~DISPLAY_FLAGS_DE_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_DE_HIGH; + dsi->vm.flags &= ~DISPLAY_FLAGS_SYNC_POSEDGE; + dsi->vm.flags |= DISPLAY_FLAGS_SYNC_NEGEDGE; + + dss_mgr_set_timings(channel, &dsi->vm); r = dsi_configure_dispc_clocks(dsidev); if (r) @@ -4331,7 +4336,7 @@ static void print_dsi_vm(const char *str, wc = DIV_ROUND_UP(t->hact * t->bitspp, 8); pps = DIV_ROUND_UP(wc + 6, t->ndl); /* pixel packet size */ - bl = t->hss + t->hsa + t->hse + t->hbp + t->hfp; + bl = t->hss + t->hsa + t->hse + t->hbp + t->hfront_porch; tot = bl + pps; #define TO_DSI_T(x) ((u32)div64_u64((u64)x * 1000000000llu, byteclk)) @@ -4340,14 +4345,14 @@ static void print_dsi_vm(const char *str, "%u/%u/%u/%u/%u/%u = %u + %u = %u\n", str, byteclk, - t->hss, t->hsa, t->hse, t->hbp, pps, t->hfp, + t->hss, t->hsa, t->hse, t->hbp, pps, t->hfront_porch, bl, pps, tot, TO_DSI_T(t->hss), TO_DSI_T(t->hsa), TO_DSI_T(t->hse), TO_DSI_T(t->hbp), TO_DSI_T(pps), - TO_DSI_T(t->hfp), + TO_DSI_T(t->hfront_porch), TO_DSI_T(bl), TO_DSI_T(pps), @@ -4356,13 +4361,13 @@ static void print_dsi_vm(const char *str, #undef TO_DSI_T } -static void print_dispc_vm(const char *str, const struct omap_video_timings *t) +static void print_dispc_vm(const char *str, const struct videomode *vm) { - unsigned long pck = t->pixelclock; + unsigned long pck = vm->pixelclock; int hact, bl, tot; - hact = t->x_res; - bl = t->hsw + t->hbp + t->hfp; + hact = vm->hactive; + bl = vm->hsync_len + vm->hbp + vm->hfront_porch; tot = hact + bl; #define TO_DISPC_T(x) ((u32)div64_u64((u64)x * 1000000000llu, pck)) @@ -4371,12 +4376,12 @@ static void print_dispc_vm(const char *str, const struct omap_video_timings *t) "%u/%u/%u/%u = %u + %u = %u\n", str, pck, - t->hsw, t->hbp, hact, t->hfp, + vm->hsync_len, vm->hbp, hact, vm->hfront_porch, bl, hact, tot, - TO_DISPC_T(t->hsw), - TO_DISPC_T(t->hbp), + TO_DISPC_T(vm->hsync_len), + TO_DISPC_T(vm->hbp), TO_DISPC_T(hact), - TO_DISPC_T(t->hfp), + TO_DISPC_T(vm->hfront_porch), TO_DISPC_T(bl), TO_DISPC_T(hact), TO_DISPC_T(tot)); @@ -4387,7 +4392,7 @@ static void print_dispc_vm(const char *str, const struct omap_video_timings *t) static void print_dsi_dispc_vm(const char *str, const struct omap_dss_dsi_videomode_timings *t) { - struct omap_video_timings vm = { 0 }; + struct videomode vm = { 0 }; unsigned long byteclk = t->hsclk / 4; unsigned long pck; u64 dsi_tput; @@ -4396,13 +4401,13 @@ static void print_dsi_dispc_vm(const char *str, dsi_tput = (u64)byteclk * t->ndl * 8; pck = (u32)div64_u64(dsi_tput, t->bitspp); dsi_hact = DIV_ROUND_UP(DIV_ROUND_UP(t->hact * t->bitspp, 8) + 6, t->ndl); - dsi_htot = t->hss + t->hsa + t->hse + t->hbp + dsi_hact + t->hfp; + dsi_htot = t->hss + t->hsa + t->hse + t->hbp + dsi_hact + t->hfront_porch; vm.pixelclock = pck; - vm.hsw = div64_u64((u64)(t->hsa + t->hse) * pck, byteclk); + vm.hsync_len = div64_u64((u64)(t->hsa + t->hse) * pck, byteclk); vm.hbp = div64_u64((u64)t->hbp * pck, byteclk); - vm.hfp = div64_u64((u64)t->hfp * pck, byteclk); - vm.x_res = t->hact; + vm.hfront_porch = div64_u64((u64)t->hfront_porch * pck, byteclk); + vm.hactive = t->hact; print_dispc_vm(str, &vm); } @@ -4412,19 +4417,19 @@ static bool dsi_cm_calc_dispc_cb(int lckd, int pckd, unsigned long lck, unsigned long pck, void *data) { struct dsi_clk_calc_ctx *ctx = data; - struct omap_video_timings *t = &ctx->dispc_vm; + struct videomode *vm = &ctx->vm; ctx->dispc_cinfo.lck_div = lckd; ctx->dispc_cinfo.pck_div = pckd; ctx->dispc_cinfo.lck = lck; ctx->dispc_cinfo.pck = pck; - *t = *ctx->config->timings; - t->pixelclock = pck; - t->x_res = ctx->config->timings->x_res; - t->y_res = ctx->config->timings->y_res; - t->hsw = t->hfp = t->hbp = t->vsw = 1; - t->vfp = t->vbp = 0; + *vm = *ctx->config->vm; + vm->pixelclock = pck; + vm->hactive = ctx->config->vm->hactive; + vm->vactive = ctx->config->vm->vactive; + vm->hsync_len = vm->hfront_porch = vm->hback_porch = vm->vsync_len = 1; + vm->vfront_porch = vm->vback_porch = 0; return true; } @@ -4475,7 +4480,7 @@ static bool dsi_cm_calc(struct dsi_data *dsi, * especially as we go to LP between each pixel packet due to HW * "feature". So let's just estimate very roughly and multiply by 1.5. */ - pck = cfg->timings->pixelclock; + pck = cfg->vm->pixelclock; pck = pck * 3 / 2; txbyteclk = pck * bitspp / 8 / ndl; @@ -4510,14 +4515,14 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) int dispc_htot, dispc_hbl; /* pixels */ int dsi_htot, dsi_hact, dsi_hbl, hss, hse; /* byteclks */ int hfp, hsa, hbp; - const struct omap_video_timings *req_vm; - struct omap_video_timings *dispc_vm; + const struct videomode *req_vm; + struct videomode *dispc_vm; struct omap_dss_dsi_videomode_timings *dsi_vm; u64 dsi_tput, dispc_tput; dsi_tput = (u64)byteclk * ndl * 8; - req_vm = cfg->timings; + req_vm = cfg->vm; req_pck_min = ctx->req_pck_min; req_pck_max = ctx->req_pck_max; req_pck_nom = ctx->req_pck_nom; @@ -4525,9 +4530,10 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) dispc_pck = ctx->dispc_cinfo.pck; dispc_tput = (u64)dispc_pck * bitspp; - xres = req_vm->x_res; + xres = req_vm->hactive; - panel_hbl = req_vm->hfp + req_vm->hbp + req_vm->hsw; + panel_hbl = req_vm->hfront_porch + req_vm->hback_porch + + req_vm->hsync_len; panel_htot = xres + panel_hbl; dsi_hact = DIV_ROUND_UP(DIV_ROUND_UP(xres * bitspp, 8) + 6, ndl); @@ -4557,7 +4563,7 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) hss = DIV_ROUND_UP(4, ndl); if (cfg->trans_mode == OMAP_DSS_DSI_PULSE_MODE) { - if (ndl == 3 && req_vm->hsw == 0) + if (ndl == 3 && req_vm->hsync_len == 0) hse = 1; else hse = DIV_ROUND_UP(4, ndl); @@ -4596,14 +4602,14 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) if (cfg->trans_mode != OMAP_DSS_DSI_PULSE_MODE) { hsa = 0; - } else if (ndl == 3 && req_vm->hsw == 0) { + } else if (ndl == 3 && req_vm->hsync_len == 0) { hsa = 0; } else { - hsa = div64_u64((u64)req_vm->hsw * byteclk, req_pck_nom); + hsa = div64_u64((u64)req_vm->hsync_len * byteclk, req_pck_nom); hsa = max(hsa - hse, 1); } - hbp = div64_u64((u64)req_vm->hbp * byteclk, req_pck_nom); + hbp = div64_u64((u64)req_vm->hback_porch * byteclk, req_pck_nom); hbp = max(hbp, 1); hfp = dsi_hbl - (hss + hsa + hse + hbp); @@ -4633,10 +4639,10 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) dsi_vm->hact = xres; dsi_vm->hfp = hfp; - dsi_vm->vsa = req_vm->vsw; - dsi_vm->vbp = req_vm->vbp; - dsi_vm->vact = req_vm->y_res; - dsi_vm->vfp = req_vm->vfp; + dsi_vm->vsa = req_vm->vsync_len; + dsi_vm->vbp = req_vm->vback_porch; + dsi_vm->vact = req_vm->vactive; + dsi_vm->vfp = req_vm->vfront_porch; dsi_vm->trans_mode = cfg->trans_mode; @@ -4650,19 +4656,19 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) /* setup DISPC videomode */ - dispc_vm = &ctx->dispc_vm; + dispc_vm = &ctx->vm; *dispc_vm = *req_vm; dispc_vm->pixelclock = dispc_pck; if (cfg->trans_mode == OMAP_DSS_DSI_PULSE_MODE) { - hsa = div64_u64((u64)req_vm->hsw * dispc_pck, + hsa = div64_u64((u64)req_vm->hsync_len * dispc_pck, req_pck_nom); hsa = max(hsa, 1); } else { hsa = 1; } - hbp = div64_u64((u64)req_vm->hbp * dispc_pck, req_pck_nom); + hbp = div64_u64((u64)req_vm->hback_porch * dispc_pck, req_pck_nom); hbp = max(hbp, 1); hfp = dispc_hbl - hsa - hbp; @@ -4685,9 +4691,9 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx) if (hfp < 1) return false; - dispc_vm->hfp = hfp; - dispc_vm->hsw = hsa; - dispc_vm->hbp = hbp; + dispc_vm->hfront_porch = hfp; + dispc_vm->hsync_len = hsa; + dispc_vm->hback_porch = hbp; return true; } @@ -4707,9 +4713,9 @@ static bool dsi_vm_calc_dispc_cb(int lckd, int pckd, unsigned long lck, return false; #ifdef PRINT_VERBOSE_VM_TIMINGS - print_dispc_vm("dispc", &ctx->dispc_vm); + print_dispc_vm("dispc", &ctx->vm); print_dsi_vm("dsi ", &ctx->dsi_vm); - print_dispc_vm("req ", ctx->config->timings); + print_dispc_vm("req ", ctx->config->vm); print_dsi_dispc_vm("act ", &ctx->dsi_vm); #endif @@ -4758,7 +4764,7 @@ static bool dsi_vm_calc(struct dsi_data *dsi, const struct omap_dss_dsi_config *cfg, struct dsi_clk_calc_ctx *ctx) { - const struct omap_video_timings *t = cfg->timings; + const struct videomode *vm = cfg->vm; unsigned long clkin; unsigned long pll_min; unsigned long pll_max; @@ -4774,9 +4780,9 @@ static bool dsi_vm_calc(struct dsi_data *dsi, ctx->config = cfg; /* these limits should come from the panel driver */ - ctx->req_pck_min = t->pixelclock - 1000; - ctx->req_pck_nom = t->pixelclock; - ctx->req_pck_max = t->pixelclock + 1000; + ctx->req_pck_min = vm->pixelclock - 1000; + ctx->req_pck_nom = vm->pixelclock; + ctx->req_pck_max = vm->pixelclock + 1000; byteclk_min = div64_u64((u64)ctx->req_pck_min * bitspp, ndl * 8); pll_min = max(cfg->hs_clk_min * 4, byteclk_min * 4 * 4); @@ -4833,7 +4839,7 @@ static int dsi_set_config(struct omap_dss_device *dssdev, dsi->user_dsi_cinfo = ctx.dsi_cinfo; dsi->user_dispc_cinfo = ctx.dispc_cinfo; - dsi->timings = ctx.dispc_vm; + dsi->vm = ctx.vm; dsi->vm_timings = ctx.dsi_vm; mutex_unlock(&dsi->lock); @@ -5342,7 +5348,7 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) dsi->phy_base = devm_ioremap(&dsidev->dev, res->start, resource_size(res)); - if (!dsi->proto_base) { + if (!dsi->phy_base) { DSSERR("can't ioremap DSI PHY\n"); return -ENOMEM; } @@ -5362,7 +5368,7 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) dsi->pll_base = devm_ioremap(&dsidev->dev, res->start, resource_size(res)); - if (!dsi->proto_base) { + if (!dsi->pll_base) { DSSERR("can't ioremap DSI PLL\n"); return -ENOMEM; } |