diff options
Diffstat (limited to 'drivers/video/omap2/dss/dsi.c')
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 675 |
1 files changed, 519 insertions, 156 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 05ee04667af..d64ac384288 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -41,7 +41,6 @@ #include <video/omapdss.h> #include <video/mipi_display.h> -#include <plat/clock.h> #include "dss.h" #include "dss_features.h" @@ -333,6 +332,12 @@ struct dsi_data { unsigned scp_clk_refcount; struct dss_lcd_mgr_config mgr_config; + struct omap_video_timings timings; + enum omap_dss_dsi_pixel_format pix_fmt; + enum omap_dss_dsi_mode mode; + struct omap_dss_dsi_videomode_timings vm_timings; + + struct omap_dss_output output; }; struct dsi_packet_sent_handler_data { @@ -340,8 +345,6 @@ struct dsi_packet_sent_handler_data { struct completion *completion; }; -static struct platform_device *dsi_pdev_map[MAX_NUM_DSI]; - #ifdef DEBUG static bool dsi_perf; module_param(dsi_perf, bool, 0644); @@ -354,12 +357,19 @@ static inline struct dsi_data *dsi_get_dsidrv_data(struct platform_device *dside static inline struct platform_device *dsi_get_dsidev_from_dssdev(struct omap_dss_device *dssdev) { - return dsi_pdev_map[dssdev->phy.dsi.module]; + return dssdev->output->pdev; } struct platform_device *dsi_get_dsidev_from_id(int module) { - return dsi_pdev_map[module]; + struct omap_dss_output *out; + enum omap_dss_output_id id; + + id = module == 0 ? OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; + + out = omap_dss_get_output(id); + + return out->pdev; } static inline void dsi_write_reg(struct platform_device *dsidev, @@ -1450,6 +1460,148 @@ found: return 0; } +static int dsi_pll_calc_ddrfreq(struct platform_device *dsidev, + unsigned long req_clkin4ddr, struct dsi_clock_info *cinfo) +{ + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_clock_info cur, best; + + DSSDBG("dsi_pll_calc_ddrfreq\n"); + + memset(&best, 0, sizeof(best)); + memset(&cur, 0, sizeof(cur)); + + cur.clkin = clk_get_rate(dsi->sys_clk); + + for (cur.regn = 1; cur.regn < dsi->regn_max; ++cur.regn) { + cur.fint = cur.clkin / cur.regn; + + if (cur.fint > dsi->fint_max || cur.fint < dsi->fint_min) + continue; + + /* DSIPHY(MHz) = (2 * regm / regn) * clkin */ + for (cur.regm = 1; cur.regm < dsi->regm_max; ++cur.regm) { + unsigned long a, b; + + a = 2 * cur.regm * (cur.clkin/1000); + b = cur.regn; + cur.clkin4ddr = a / b * 1000; + + if (cur.clkin4ddr > 1800 * 1000 * 1000) + break; + + if (abs(cur.clkin4ddr - req_clkin4ddr) < + abs(best.clkin4ddr - req_clkin4ddr)) { + best = cur; + DSSDBG("best %ld\n", best.clkin4ddr); + } + + if (cur.clkin4ddr == req_clkin4ddr) + goto found; + } + } +found: + if (cinfo) + *cinfo = best; + + return 0; +} + +static void dsi_pll_calc_dsi_fck(struct platform_device *dsidev, + struct dsi_clock_info *cinfo) +{ + unsigned long max_dsi_fck; + + max_dsi_fck = dss_feat_get_param_max(FEAT_PARAM_DSI_FCK); + + cinfo->regm_dsi = DIV_ROUND_UP(cinfo->clkin4ddr, max_dsi_fck); + cinfo->dsi_pll_hsdiv_dsi_clk = cinfo->clkin4ddr / cinfo->regm_dsi; +} + +static int dsi_pll_calc_dispc_fck(struct platform_device *dsidev, + unsigned long req_pck, struct dsi_clock_info *cinfo, + struct dispc_clock_info *dispc_cinfo) +{ + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + unsigned regm_dispc, best_regm_dispc; + unsigned long dispc_clk, best_dispc_clk; + int min_fck_per_pck; + unsigned long max_dss_fck; + struct dispc_clock_info best_dispc; + bool match; + + max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); + + min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; + + if (min_fck_per_pck && + req_pck * min_fck_per_pck > max_dss_fck) { + DSSERR("Requested pixel clock not possible with the current " + "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " + "the constraint off.\n"); + min_fck_per_pck = 0; + } + +retry: + best_regm_dispc = 0; + best_dispc_clk = 0; + memset(&best_dispc, 0, sizeof(best_dispc)); + match = false; + + for (regm_dispc = 1; regm_dispc < dsi->regm_dispc_max; ++regm_dispc) { + struct dispc_clock_info cur_dispc; + + dispc_clk = cinfo->clkin4ddr / regm_dispc; + + /* this will narrow down the search a bit, + * but still give pixclocks below what was + * requested */ + if (dispc_clk < req_pck) + break; + + if (dispc_clk > max_dss_fck) + continue; + + if (min_fck_per_pck && dispc_clk < req_pck * min_fck_per_pck) + continue; + + match = true; + + dispc_find_clk_divs(req_pck, dispc_clk, &cur_dispc); + + if (abs(cur_dispc.pck - req_pck) < + abs(best_dispc.pck - req_pck)) { + best_regm_dispc = regm_dispc; + best_dispc_clk = dispc_clk; + best_dispc = cur_dispc; + + if (cur_dispc.pck == req_pck) + goto found; + } + } + + if (!match) { + if (min_fck_per_pck) { + DSSERR("Could not find suitable clock settings.\n" + "Turning FCK/PCK constraint off and" + "trying again.\n"); + min_fck_per_pck = 0; + goto retry; + } + + DSSERR("Could not find suitable clock settings.\n"); + + return -EINVAL; + } +found: + cinfo->regm_dispc = best_regm_dispc; + cinfo->dsi_pll_hsdiv_dispc_clk = best_dispc_clk; + + *dispc_cinfo = best_dispc; + + return 0; +} + int dsi_pll_set_clock_div(struct platform_device *dsidev, struct dsi_clock_info *cinfo) { @@ -1526,21 +1678,27 @@ int dsi_pll_set_clock_div(struct platform_device *dsidev, BUG_ON(cinfo->fint < dsi->fint_min || cinfo->fint > dsi->fint_max); + l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2); + if (dss_has_feature(FEAT_DSI_PLL_FREQSEL)) { f = cinfo->fint < 1000000 ? 0x3 : cinfo->fint < 1250000 ? 0x4 : cinfo->fint < 1500000 ? 0x5 : cinfo->fint < 1750000 ? 0x6 : 0x7; - } - l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2); - - if (dss_has_feature(FEAT_DSI_PLL_FREQSEL)) l = FLD_MOD(l, f, 4, 1); /* DSI_PLL_FREQSEL */ + } else if (dss_has_feature(FEAT_DSI_PLL_SELFREQDCO)) { + f = cinfo->clkin4ddr < 1000000000 ? 0x2 : 0x4; + + l = FLD_MOD(l, f, 4, 1); /* PLL_SELFREQDCO */ + } + l = FLD_MOD(l, 1, 13, 13); /* DSI_PLL_REFEN */ l = FLD_MOD(l, 0, 14, 14); /* DSIPHY_CLKINEN */ l = FLD_MOD(l, 1, 20, 20); /* DSI_HSDIVBYPASS */ + if (dss_has_feature(FEAT_DSI_PLL_REFSEL)) + l = FLD_MOD(l, 3, 22, 21); /* REF_SYSCLK = sysclk */ dsi_write_reg(dsidev, DSI_PLL_CONFIGURATION2, l); REG_FLD_MOD(dsidev, DSI_PLL_GO, 1, 0, 0); /* DSI_PLL_GO */ @@ -2004,15 +2162,16 @@ static unsigned dsi_get_line_buf_size(struct platform_device *dsidev) return 1194 * 3; /* 1194x24 bits */ case 6: return 1365 * 3; /* 1365x24 bits */ + case 7: + return 1920 * 3; /* 1920x24 bits */ default: BUG(); return 0; } } -static int dsi_set_lane_config(struct omap_dss_device *dssdev) +static int dsi_set_lane_config(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); static const u8 offsets[] = { 0, 4, 8, 12, 16 }; static const enum dsi_lane_function functions[] = { @@ -2136,9 +2295,16 @@ static void dsi_cio_timings(struct platform_device *dsidev) dsi_write_reg(dsidev, DSI_DSIPHY_CFG0, r); r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1); - r = FLD_MOD(r, tlpx_half, 22, 16); + r = FLD_MOD(r, tlpx_half, 20, 16); r = FLD_MOD(r, tclk_trail, 15, 8); r = FLD_MOD(r, tclk_zero, 7, 0); + + if (dss_has_feature(FEAT_DSI_PHY_DCC)) { + r = FLD_MOD(r, 0, 21, 21); /* DCCEN = disable */ + r = FLD_MOD(r, 1, 22, 22); /* CLKINP_DIVBY2EN = enable */ + r = FLD_MOD(r, 1, 23, 23); /* CLKINP_SEL = enable */ + } + dsi_write_reg(dsidev, DSI_DSIPHY_CFG1, r); r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2); @@ -2147,10 +2313,9 @@ static void dsi_cio_timings(struct platform_device *dsidev) } /* lane masks have lane 0 at lsb. mask_p for positive lines, n for negative */ -static void dsi_cio_enable_lane_override(struct omap_dss_device *dssdev, +static void dsi_cio_enable_lane_override(struct platform_device *dsidev, unsigned mask_p, unsigned mask_n) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); int i; u32 l; @@ -2197,9 +2362,8 @@ static void dsi_cio_disable_lane_override(struct platform_device *dsidev) REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 22, 17); } -static int dsi_cio_wait_tx_clk_esc_reset(struct omap_dss_device *dssdev) +static int dsi_cio_wait_tx_clk_esc_reset(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); int t, i; bool in_use[DSI_MAX_NR_LANES]; @@ -2247,9 +2411,8 @@ static int dsi_cio_wait_tx_clk_esc_reset(struct omap_dss_device *dssdev) } /* return bitmask of enabled lanes, lane0 being the lsb */ -static unsigned dsi_get_lane_mask(struct omap_dss_device *dssdev) +static unsigned dsi_get_lane_mask(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); unsigned mask = 0; int i; @@ -2262,16 +2425,15 @@ static unsigned dsi_get_lane_mask(struct omap_dss_device *dssdev) return mask; } -static int dsi_cio_init(struct omap_dss_device *dssdev) +static int dsi_cio_init(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); int r; u32 l; DSSDBGF(); - r = dss_dsi_enable_pads(dsi->module_id, dsi_get_lane_mask(dssdev)); + r = dss_dsi_enable_pads(dsi->module_id, dsi_get_lane_mask(dsidev)); if (r) return r; @@ -2288,7 +2450,7 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) goto err_scp_clk_dom; } - r = dsi_set_lane_config(dssdev); + r = dsi_set_lane_config(dsidev); if (r) goto err_scp_clk_dom; @@ -2323,7 +2485,7 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) mask_p |= 1 << i; } - dsi_cio_enable_lane_override(dssdev, mask_p, 0); + dsi_cio_enable_lane_override(dsidev, mask_p, 0); } r = dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ON); @@ -2340,7 +2502,7 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) dsi_if_enable(dsidev, false); REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 20, 20); /* LP_CLK_ENABLE */ - r = dsi_cio_wait_tx_clk_esc_reset(dssdev); + r = dsi_cio_wait_tx_clk_esc_reset(dsidev); if (r) goto err_tx_clk_esc_rst; @@ -2360,10 +2522,10 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) dsi_cio_timings(dsidev); - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) { + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { /* DDR_CLK_ALWAYS_ON */ REG_FLD_MOD(dsidev, DSI_CLK_CTRL, - dssdev->panel.dsi_vm_data.ddr_clk_always_on, 13, 13); + dsi->vm_timings.ddr_clk_always_on, 13, 13); } dsi->ulps_enabled = false; @@ -2381,13 +2543,12 @@ err_cio_pwr: dsi_cio_disable_lane_override(dsidev); err_scp_clk_dom: dsi_disable_scp_clk(dsidev); - dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dssdev)); + dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev)); return r; } -static void dsi_cio_uninit(struct omap_dss_device *dssdev) +static void dsi_cio_uninit(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); /* DDR_CLK_ALWAYS_ON */ @@ -2395,7 +2556,7 @@ static void dsi_cio_uninit(struct omap_dss_device *dssdev) dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF); dsi_disable_scp_clk(dsidev); - dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dssdev)); + dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev)); } static void dsi_config_tx_fifo(struct platform_device *dsidev, @@ -2685,6 +2846,7 @@ void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel, bool enable) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable); @@ -2701,7 +2863,7 @@ void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel, dsi_force_tx_stop_mode_io(dsidev); /* start the DDR clock by sending a NULL packet */ - if (dssdev->panel.dsi_vm_data.ddr_clk_always_on && enable) + if (dsi->vm_timings.ddr_clk_always_on && enable) dsi_vc_send_null(dssdev, channel); } EXPORT_SYMBOL(omapdss_dsi_vc_enable_hs); @@ -2987,10 +3149,9 @@ int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel) } EXPORT_SYMBOL(dsi_vc_send_null); -static int dsi_vc_write_nosync_common(struct omap_dss_device *dssdev, +static int dsi_vc_write_nosync_common(struct platform_device *dsidev, int channel, u8 *data, int len, enum dss_dsi_content_type type) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); int r; if (len == 0) { @@ -3021,7 +3182,9 @@ static int dsi_vc_write_nosync_common(struct omap_dss_device *dssdev, int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel, u8 *data, int len) { - return dsi_vc_write_nosync_common(dssdev, channel, data, len, + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + + return dsi_vc_write_nosync_common(dsidev, channel, data, len, DSS_DSI_CONTENT_DCS); } EXPORT_SYMBOL(dsi_vc_dcs_write_nosync); @@ -3029,7 +3192,9 @@ EXPORT_SYMBOL(dsi_vc_dcs_write_nosync); int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel, u8 *data, int len) { - return dsi_vc_write_nosync_common(dssdev, channel, data, len, + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + + return dsi_vc_write_nosync_common(dsidev, channel, data, len, DSS_DSI_CONTENT_GENERIC); } EXPORT_SYMBOL(dsi_vc_generic_write_nosync); @@ -3040,7 +3205,7 @@ static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel, struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); int r; - r = dsi_vc_write_nosync_common(dssdev, channel, data, len, type); + r = dsi_vc_write_nosync_common(dsidev, channel, data, len, type); if (r) goto err; @@ -3118,10 +3283,9 @@ int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel, } EXPORT_SYMBOL(dsi_vc_generic_write_2); -static int dsi_vc_dcs_send_read_request(struct omap_dss_device *dssdev, +static int dsi_vc_dcs_send_read_request(struct platform_device *dsidev, int channel, u8 dcs_cmd) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); int r; @@ -3139,10 +3303,9 @@ static int dsi_vc_dcs_send_read_request(struct omap_dss_device *dssdev, return 0; } -static int dsi_vc_generic_send_read_request(struct omap_dss_device *dssdev, +static int dsi_vc_generic_send_read_request(struct platform_device *dsidev, int channel, u8 *reqdata, int reqlen) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); u16 data; u8 data_type; @@ -3291,7 +3454,7 @@ int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd, struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); int r; - r = dsi_vc_dcs_send_read_request(dssdev, channel, dcs_cmd); + r = dsi_vc_dcs_send_read_request(dsidev, channel, dcs_cmd); if (r) goto err; @@ -3322,7 +3485,7 @@ static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel, struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); int r; - r = dsi_vc_generic_send_read_request(dssdev, channel, reqdata, reqlen); + r = dsi_vc_generic_send_read_request(dsidev, channel, reqdata, reqlen); if (r) return r; @@ -3604,15 +3767,15 @@ static void dsi_set_hs_tx_timeout(struct platform_device *dsidev, (total_ticks * 1000) / (fck / 1000 / 1000)); } -static void dsi_config_vp_num_line_buffers(struct omap_dss_device *dssdev) +static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); int num_line_buffers; - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) { - int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt); + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { + int bpp = dsi_get_pixel_size(dsi->pix_fmt); unsigned line_buf_size = dsi_get_line_buf_size(dsidev); - struct omap_video_timings *timings = &dssdev->panel.timings; + struct omap_video_timings *timings = &dsi->timings; /* * Don't use line buffers if width is greater than the video * port's line buffer size @@ -3630,11 +3793,11 @@ static void dsi_config_vp_num_line_buffers(struct omap_dss_device *dssdev) REG_FLD_MOD(dsidev, DSI_CTRL, num_line_buffers, 13, 12); } -static void dsi_config_vp_sync_events(struct omap_dss_device *dssdev) +static void dsi_config_vp_sync_events(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - bool vsync_end = dssdev->panel.dsi_vm_data.vp_vsync_end; - bool hsync_end = dssdev->panel.dsi_vm_data.vp_hsync_end; + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + bool vsync_end = dsi->vm_timings.vp_vsync_end; + bool hsync_end = dsi->vm_timings.vp_hsync_end; u32 r; r = dsi_read_reg(dsidev, DSI_CTRL); @@ -3648,13 +3811,13 @@ static void dsi_config_vp_sync_events(struct omap_dss_device *dssdev) dsi_write_reg(dsidev, DSI_CTRL, r); } -static void dsi_config_blanking_modes(struct omap_dss_device *dssdev) +static void dsi_config_blanking_modes(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - int blanking_mode = dssdev->panel.dsi_vm_data.blanking_mode; - int hfp_blanking_mode = dssdev->panel.dsi_vm_data.hfp_blanking_mode; - int hbp_blanking_mode = dssdev->panel.dsi_vm_data.hbp_blanking_mode; - int hsa_blanking_mode = dssdev->panel.dsi_vm_data.hsa_blanking_mode; + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + int blanking_mode = dsi->vm_timings.blanking_mode; + int hfp_blanking_mode = dsi->vm_timings.hfp_blanking_mode; + int hbp_blanking_mode = dsi->vm_timings.hbp_blanking_mode; + int hsa_blanking_mode = dsi->vm_timings.hsa_blanking_mode; u32 r; /* @@ -3741,8 +3904,8 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev) 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 = &dssdev->panel.timings; - int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt); + struct omap_video_timings *timings = &dsi->timings; + int bpp = dsi_get_pixel_size(dsi->pix_fmt); int ndl = dsi->num_lanes_used - 1; int dsi_fclk_hsdiv = dssdev->clocks.dsi.regm_dsi + 1; int hsa_interleave_hs = 0, hsa_interleave_lp = 0; @@ -3852,6 +4015,7 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev) static int dsi_proto_config(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); u32 r; int buswidth = 0; @@ -3871,7 +4035,7 @@ static int dsi_proto_config(struct omap_dss_device *dssdev) dsi_set_lp_rx_timeout(dsidev, 0x1fff, true, true); dsi_set_hs_tx_timeout(dsidev, 0x1fff, true, true); - switch (dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt)) { + switch (dsi_get_pixel_size(dsi->pix_fmt)) { case 16: buswidth = 0; break; @@ -3903,11 +4067,11 @@ static int dsi_proto_config(struct omap_dss_device *dssdev) dsi_write_reg(dsidev, DSI_CTRL, r); - dsi_config_vp_num_line_buffers(dssdev); + dsi_config_vp_num_line_buffers(dsidev); - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) { - dsi_config_vp_sync_events(dssdev); - dsi_config_blanking_modes(dssdev); + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { + dsi_config_vp_sync_events(dsidev); + dsi_config_blanking_modes(dsidev); dsi_config_cmd_mode_interleaving(dssdev); } @@ -3919,9 +4083,8 @@ static int dsi_proto_config(struct omap_dss_device *dssdev) return 0; } -static void dsi_proto_timings(struct omap_dss_device *dssdev) +static void dsi_proto_timings(struct platform_device *dsidev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); unsigned tlpx, tclk_zero, tclk_prepare, tclk_trail; unsigned tclk_pre, tclk_post; @@ -3941,7 +4104,7 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev) ths_exit = FLD_GET(r, 7, 0); r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1); - tlpx = FLD_GET(r, 22, 16) * 2; + tlpx = FLD_GET(r, 20, 16) * 2; tclk_trail = FLD_GET(r, 15, 8); tclk_zero = FLD_GET(r, 7, 0); @@ -3984,18 +4147,18 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev) DSSDBG("enter_hs_mode_lat %u, exit_hs_mode_lat %u\n", enter_hs_mode_lat, exit_hs_mode_lat); - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) { + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { /* TODO: Implement a video mode check_timings function */ - int hsa = dssdev->panel.dsi_vm_data.hsa; - int hfp = dssdev->panel.dsi_vm_data.hfp; - int hbp = dssdev->panel.dsi_vm_data.hbp; - int vsa = dssdev->panel.dsi_vm_data.vsa; - int vfp = dssdev->panel.dsi_vm_data.vfp; - int vbp = dssdev->panel.dsi_vm_data.vbp; - int window_sync = dssdev->panel.dsi_vm_data.window_sync; - bool hsync_end = dssdev->panel.dsi_vm_data.vp_hsync_end; - struct omap_video_timings *timings = &dssdev->panel.timings; - int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt); + int hsa = dsi->vm_timings.hsa; + int hfp = dsi->vm_timings.hfp; + int hbp = dsi->vm_timings.hbp; + int vsa = dsi->vm_timings.vsa; + int vfp = dsi->vm_timings.vfp; + int vbp = dsi->vm_timings.vbp; + int window_sync = dsi->vm_timings.window_sync; + bool hsync_end = dsi->vm_timings.vp_hsync_end; + struct omap_video_timings *timings = &dsi->timings; + int bpp = dsi_get_pixel_size(dsi->pix_fmt); int tl, t_he, width_bytes; t_he = hsync_end ? @@ -4100,16 +4263,84 @@ int omapdss_dsi_configure_pins(struct omap_dss_device *dssdev, } EXPORT_SYMBOL(omapdss_dsi_configure_pins); -int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) +int omapdss_dsi_set_clocks(struct omap_dss_device *dssdev, + unsigned long ddr_clk, unsigned long lp_clk) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_clock_info cinfo; + struct dispc_clock_info dispc_cinfo; + unsigned lp_clk_div; + unsigned long dsi_fclk; int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt); + unsigned long pck; + int r; + + DSSDBGF("ddr_clk %lu, lp_clk %lu", ddr_clk, lp_clk); + + mutex_lock(&dsi->lock); + + /* Calculate PLL output clock */ + r = dsi_pll_calc_ddrfreq(dsidev, ddr_clk * 4, &cinfo); + if (r) + goto err; + + /* Calculate PLL's DSI clock */ + dsi_pll_calc_dsi_fck(dsidev, &cinfo); + + /* Calculate PLL's DISPC clock and pck & lck divs */ + pck = cinfo.clkin4ddr / 16 * (dsi->num_lanes_used - 1) * 8 / bpp; + DSSDBG("finding dispc dividers for pck %lu\n", pck); + r = dsi_pll_calc_dispc_fck(dsidev, pck, &cinfo, &dispc_cinfo); + if (r) + goto err; + + /* Calculate LP clock */ + dsi_fclk = cinfo.dsi_pll_hsdiv_dsi_clk; + lp_clk_div = DIV_ROUND_UP(dsi_fclk, lp_clk * 2); + + dssdev->clocks.dsi.regn = cinfo.regn; + dssdev->clocks.dsi.regm = cinfo.regm; + dssdev->clocks.dsi.regm_dispc = cinfo.regm_dispc; + dssdev->clocks.dsi.regm_dsi = cinfo.regm_dsi; + + dssdev->clocks.dsi.lp_clk_div = lp_clk_div; + + dssdev->clocks.dispc.channel.lck_div = dispc_cinfo.lck_div; + dssdev->clocks.dispc.channel.pck_div = dispc_cinfo.pck_div; + + dssdev->clocks.dispc.dispc_fclk_src = OMAP_DSS_CLK_SRC_FCK; + + dssdev->clocks.dispc.channel.lcd_clk_src = + dsi->module_id == 0 ? + OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC : + OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC; + + dssdev->clocks.dsi.dsi_fclk_src = + dsi->module_id == 0 ? + OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI : + OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI; + + mutex_unlock(&dsi->lock); + return 0; +err: + mutex_unlock(&dsi->lock); + return r; +} +EXPORT_SYMBOL(omapdss_dsi_set_clocks); + +int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) +{ + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_overlay_manager *mgr = dssdev->output->manager; + int bpp = dsi_get_pixel_size(dsi->pix_fmt); u8 data_type; u16 word_count; int r; - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) { - switch (dssdev->panel.dsi_pix_fmt) { + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { + switch (dsi->pix_fmt) { case OMAP_DSS_DSI_FMT_RGB888: data_type = MIPI_DSI_PACKED_PIXEL_STREAM_24; break; @@ -4133,7 +4364,7 @@ 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(dssdev->panel.timings.x_res * bpp, 8); + word_count = DIV_ROUND_UP(dsi->timings.x_res * bpp, 8); dsi_vc_write_long_header(dsidev, channel, data_type, word_count, 0); @@ -4142,9 +4373,9 @@ int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) dsi_if_enable(dsidev, true); } - r = dss_mgr_enable(dssdev->manager); + r = dss_mgr_enable(mgr); if (r) { - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) { + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { dsi_if_enable(dsidev, false); dsi_vc_enable(dsidev, channel, false); } @@ -4159,8 +4390,10 @@ EXPORT_SYMBOL(dsi_enable_video_output); void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_overlay_manager *mgr = dssdev->output->manager; - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) { + if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { dsi_if_enable(dsidev, false); dsi_vc_enable(dsidev, channel, false); @@ -4171,15 +4404,15 @@ void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel) dsi_if_enable(dsidev, true); } - dss_mgr_disable(dssdev->manager); + dss_mgr_disable(mgr); } EXPORT_SYMBOL(dsi_disable_video_output); -static void dsi_update_screen_dispc(struct omap_dss_device *dssdev, - u16 w, u16 h) +static void dsi_update_screen_dispc(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_overlay_manager *mgr = dssdev->output->manager; unsigned bytespp; unsigned bytespl; unsigned bytespf; @@ -4190,12 +4423,14 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev, int r; const unsigned channel = dsi->update_channel; const unsigned line_buf_size = dsi_get_line_buf_size(dsidev); + u16 w = dsi->timings.x_res; + u16 h = dsi->timings.y_res; DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h); dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_VP); - bytespp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8; + bytespp = dsi_get_pixel_size(dsi->pix_fmt) / 8; bytespl = w * bytespp; bytespf = bytespl * h; @@ -4239,7 +4474,9 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev, msecs_to_jiffies(250)); BUG_ON(r == 0); - dss_mgr_start_update(dssdev->manager); + dss_mgr_set_timings(mgr, &dsi->timings); + + dss_mgr_start_update(mgr); if (dsi->te_enabled) { /* disable LP_RX_TO, so that we can receive TE. Time to wait @@ -4297,8 +4534,7 @@ static void dsi_framedone_timeout_work_callback(struct work_struct *work) static void dsi_framedone_irq_callback(void *data, u32 mask) { - struct omap_dss_device *dssdev = (struct omap_dss_device *) data; - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct platform_device *dsidev = (struct platform_device *) data; struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); /* Note: We get FRAMEDONE when DISPC has finished sending pixels and @@ -4325,13 +4561,14 @@ int omap_dsi_update(struct omap_dss_device *dssdev, int channel, dsi->framedone_callback = callback; dsi->framedone_data = data; - dssdev->driver->get_resolution(dssdev, &dw, &dh); + dw = dsi->timings.x_res; + dh = dsi->timings.y_res; #ifdef DEBUG dsi->update_bytes = dw * dh * - dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8; + dsi_get_pixel_size(dsi->pix_fmt) / 8; #endif - dsi_update_screen_dispc(dssdev, dw, dh); + dsi_update_screen_dispc(dssdev); return 0; } @@ -4367,28 +4604,22 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_video_timings timings; + struct omap_overlay_manager *mgr = dssdev->output->manager; int r; u32 irq = 0; - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) { - u16 dw, dh; - - dssdev->driver->get_resolution(dssdev, &dw, &dh); - - timings.x_res = dw; - timings.y_res = dh; - timings.hsw = 1; - timings.hfp = 1; - timings.hbp = 1; - timings.vsw = 1; - timings.vfp = 0; - timings.vbp = 0; + if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) { + dsi->timings.hsw = 1; + dsi->timings.hfp = 1; + dsi->timings.hbp = 1; + dsi->timings.vsw = 1; + dsi->timings.vfp = 0; + dsi->timings.vbp = 0; - irq = dispc_mgr_get_framedone_irq(dssdev->manager->id); + irq = dispc_mgr_get_framedone_irq(mgr->id); r = omap_dispc_register_isr(dsi_framedone_irq_callback, - (void *) dssdev, irq); + (void *) dsidev, irq); if (r) { DSSERR("can't get FRAMEDONE irq\n"); goto err; @@ -4397,8 +4628,6 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) dsi->mgr_config.stallmode = true; dsi->mgr_config.fifohandcheck = true; } else { - timings = dssdev->panel.timings; - dsi->mgr_config.stallmode = false; dsi->mgr_config.fifohandcheck = false; } @@ -4407,14 +4636,14 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) * override interlace, logic level and edge related parameters in * omap_video_timings with default values */ - timings.interlace = false; - timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH; - timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH; - timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE; - timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH; - timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES; + 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_OPPOSITE_EDGES; - dss_mgr_set_timings(dssdev->manager, &timings); + dss_mgr_set_timings(mgr, &dsi->timings); r = dsi_configure_dispc_clocks(dssdev); if (r) @@ -4422,29 +4651,33 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) dsi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS; dsi->mgr_config.video_port_width = - dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt); + dsi_get_pixel_size(dsi->pix_fmt); dsi->mgr_config.lcden_sig_polarity = 0; - dss_mgr_set_lcd_config(dssdev->manager, &dsi->mgr_config); + dss_mgr_set_lcd_config(mgr, &dsi->mgr_config); return 0; err1: - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) + if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) omap_dispc_unregister_isr(dsi_framedone_irq_callback, - (void *) dssdev, irq); + (void *) dsidev, irq); err: return r; } static void dsi_display_uninit_dispc(struct omap_dss_device *dssdev) { - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) { + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_overlay_manager *mgr = dssdev->output->manager; + + if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) { u32 irq; - irq = dispc_mgr_get_framedone_irq(dssdev->manager->id); + irq = dispc_mgr_get_framedone_irq(mgr->id); omap_dispc_unregister_isr(dsi_framedone_irq_callback, - (void *) dssdev, irq); + (void *) dsidev, irq); } } @@ -4477,6 +4710,7 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_overlay_manager *mgr = dssdev->output->manager; int r; r = dsi_pll_init(dsidev, true, true); @@ -4489,18 +4723,18 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev) dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src); dss_select_dsi_clk_source(dsi->module_id, dssdev->clocks.dsi.dsi_fclk_src); - dss_select_lcd_clk_source(dssdev->manager->id, + dss_select_lcd_clk_source(mgr->id, dssdev->clocks.dispc.channel.lcd_clk_src); DSSDBG("PLL OK\n"); - r = dsi_cio_init(dssdev); + r = dsi_cio_init(dsidev); if (r) goto err2; _dsi_print_reset_status(dsidev); - dsi_proto_timings(dssdev); + dsi_proto_timings(dsidev); dsi_set_lp_clk_divisor(dssdev); if (1) @@ -4520,11 +4754,11 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev) return 0; err3: - dsi_cio_uninit(dssdev); + dsi_cio_uninit(dsidev); err2: dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK); dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK); - dss_select_lcd_clk_source(dssdev->manager->id, OMAP_DSS_CLK_SRC_FCK); + dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK); err1: dsi_pll_uninit(dsidev, true); @@ -4537,6 +4771,7 @@ static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev, { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_overlay_manager *mgr = dssdev->output->manager; if (enter_ulps && !dsi->ulps_enabled) dsi_enter_ulps(dsidev); @@ -4550,8 +4785,8 @@ static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev, dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK); dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK); - dss_select_lcd_clk_source(dssdev->manager->id, OMAP_DSS_CLK_SRC_FCK); - dsi_cio_uninit(dssdev); + dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK); + dsi_cio_uninit(dsidev); dsi_pll_uninit(dsidev, disconnect_lanes); } @@ -4559,6 +4794,7 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_dss_output *out = dssdev->output; int r = 0; DSSDBG("dsi_display_enable\n"); @@ -4567,8 +4803,8 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev) mutex_lock(&dsi->lock); - if (dssdev->manager == NULL) { - DSSERR("failed to enable display: no manager\n"); + if (out == NULL || out->manager == NULL) { + DSSERR("failed to enable display: no output/manager\n"); r = -ENODEV; goto err_start_dev; } @@ -4653,17 +4889,83 @@ int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable) } EXPORT_SYMBOL(omapdss_dsi_enable_te); -static int __init dsi_init_display(struct omap_dss_device *dssdev) +void omapdss_dsi_set_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - DSSDBG("DSI init\n"); + mutex_lock(&dsi->lock); - if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) { - dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE | - OMAP_DSS_DISPLAY_CAP_TEAR_ELIM; - } + dsi->timings = *timings; + + mutex_unlock(&dsi->lock); +} +EXPORT_SYMBOL(omapdss_dsi_set_timings); + +void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h) +{ + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + + mutex_lock(&dsi->lock); + + dsi->timings.x_res = w; + dsi->timings.y_res = h; + + mutex_unlock(&dsi->lock); +} +EXPORT_SYMBOL(omapdss_dsi_set_size); + +void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev, + enum omap_dss_dsi_pixel_format fmt) +{ + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + + mutex_lock(&dsi->lock); + + dsi->pix_fmt = fmt; + + mutex_unlock(&dsi->lock); +} +EXPORT_SYMBOL(omapdss_dsi_set_pixel_format); + +void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev, + enum omap_dss_dsi_mode mode) +{ + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + + mutex_lock(&dsi->lock); + + dsi->mode = mode; + + mutex_unlock(&dsi->lock); +} +EXPORT_SYMBOL(omapdss_dsi_set_operation_mode); + +void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev, + struct omap_dss_dsi_videomode_timings *timings) +{ + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + + mutex_lock(&dsi->lock); + + dsi->vm_timings = *timings; + + mutex_unlock(&dsi->lock); +} +EXPORT_SYMBOL(omapdss_dsi_set_videomode_timings); + +static int __init dsi_init_display(struct omap_dss_device *dssdev) +{ + struct platform_device *dsidev = + dsi_get_dsidev_from_id(dssdev->phy.dsi.module); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + + DSSDBG("DSI init\n"); if (dsi->vdds_dsi_reg == NULL) { struct regulator *vdds_dsi; @@ -4806,11 +5108,15 @@ static void dsi_put_clocks(struct platform_device *dsidev) clk_put(dsi->sys_clk); } -static void __init dsi_probe_pdata(struct platform_device *dsidev) +static struct omap_dss_device * __init dsi_find_dssdev(struct platform_device *pdev) { - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); - struct omap_dss_board_info *pdata = dsidev->dev.platform_data; - int i, r; + struct omap_dss_board_info *pdata = pdev->dev.platform_data; + struct dsi_data *dsi = dsi_get_dsidrv_data(pdev); + const char *def_disp_name = dss_get_default_display_name(); + struct omap_dss_device *def_dssdev; + int i; + + def_dssdev = NULL; for (i = 0; i < pdata->num_devices; ++i) { struct omap_dss_device *dssdev = pdata->devices[i]; @@ -4821,19 +5127,73 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev) if (dssdev->phy.dsi.module != dsi->module_id) continue; - r = dsi_init_display(dssdev); - if (r) { - DSSERR("device %s init failed: %d\n", dssdev->name, r); - continue; + if (def_dssdev == NULL) + def_dssdev = dssdev; + + if (def_disp_name != NULL && + strcmp(dssdev->name, def_disp_name) == 0) { + def_dssdev = dssdev; + break; } + } - r = omap_dss_register_device(dssdev, &dsidev->dev, i); - if (r) - DSSERR("device %s register failed: %d\n", - dssdev->name, r); + return def_dssdev; +} + +static void __init dsi_probe_pdata(struct platform_device *dsidev) +{ + struct omap_dss_device *plat_dssdev; + struct omap_dss_device *dssdev; + int r; + + plat_dssdev = dsi_find_dssdev(dsidev); + + if (!plat_dssdev) + return; + + dssdev = dss_alloc_and_init_device(&dsidev->dev); + if (!dssdev) + return; + + dss_copy_device_pdata(dssdev, plat_dssdev); + + r = dsi_init_display(dssdev); + if (r) { + DSSERR("device %s init failed: %d\n", dssdev->name, r); + dss_put_device(dssdev); + return; + } + + r = dss_add_device(dssdev); + if (r) { + DSSERR("device %s register failed: %d\n", dssdev->name, r); + dss_put_device(dssdev); + return; } } +static void __init dsi_init_output(struct platform_device *dsidev) +{ + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_dss_output *out = &dsi->output; + + out->pdev = dsidev; + out->id = dsi->module_id == 0 ? + OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; + + out->type = OMAP_DISPLAY_TYPE_DSI; + + dss_register_output(out); +} + +static void __exit dsi_uninit_output(struct platform_device *dsidev) +{ + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct omap_dss_output *out = &dsi->output; + + dss_unregister_output(out); +} + /* DSI1 HW IP initialisation */ static int __init omap_dsihw_probe(struct platform_device *dsidev) { @@ -4848,7 +5208,6 @@ static int __init omap_dsihw_probe(struct platform_device *dsidev) dsi->module_id = dsidev->id; dsi->pdev = dsidev; - dsi_pdev_map[dsi->module_id] = dsidev; dev_set_drvdata(&dsidev->dev, dsi); spin_lock_init(&dsi->irq_lock); @@ -4928,6 +5287,8 @@ static int __init omap_dsihw_probe(struct platform_device *dsidev) else dsi->num_lanes_supported = 3; + dsi_init_output(dsidev); + dsi_probe_pdata(dsidev); dsi_runtime_put(dsidev); @@ -4957,7 +5318,9 @@ static int __exit omap_dsihw_remove(struct platform_device *dsidev) WARN_ON(dsi->scp_clk_refcount > 0); - omap_dss_unregister_child_devices(&dsidev->dev); + dss_unregister_child_devices(&dsidev->dev); + + dsi_uninit_output(dsidev); pm_runtime_disable(&dsidev->dev); |