diff options
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/pvr2fb.c | 16 | ||||
-rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 66 |
2 files changed, 67 insertions, 15 deletions
diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c index 0a0fd48..53f8f11 100644 --- a/drivers/video/pvr2fb.c +++ b/drivers/video/pvr2fb.c @@ -61,7 +61,7 @@ #include <mach-dreamcast/mach/sysasic.h> #endif -#ifdef CONFIG_SH_DMA +#ifdef CONFIG_PVR2_DMA #include <linux/pagemap.h> #include <mach/dma.h> #include <asm/dma.h> @@ -188,7 +188,7 @@ static unsigned int is_blanked = 0; /* Is the screen blanked? */ static unsigned long pvr2fb_map; #endif -#ifdef CONFIG_SH_DMA +#ifdef CONFIG_PVR2_DMA static unsigned int shdma = PVR2_CASCADE_CHAN; static unsigned int pvr2dma = ONCHIP_NR_DMA_CHANNELS; #endif @@ -207,7 +207,7 @@ static irqreturn_t pvr2fb_interrupt(int irq, void *dev_id); static int pvr2_init_cable(void); static int pvr2_get_param(const struct pvr2_params *p, const char *s, int val, int size); -#ifdef CONFIG_SH_DMA +#ifdef CONFIG_PVR2_DMA static ssize_t pvr2fb_write(struct fb_info *info, const char *buf, size_t count, loff_t *ppos); #endif @@ -218,7 +218,7 @@ static struct fb_ops pvr2fb_ops = { .fb_blank = pvr2fb_blank, .fb_check_var = pvr2fb_check_var, .fb_set_par = pvr2fb_set_par, -#ifdef CONFIG_SH_DMA +#ifdef CONFIG_PVR2_DMA .fb_write = pvr2fb_write, #endif .fb_fillrect = cfb_fillrect, @@ -671,7 +671,7 @@ static int pvr2_init_cable(void) return cable_type; } -#ifdef CONFIG_SH_DMA +#ifdef CONFIG_PVR2_DMA static ssize_t pvr2fb_write(struct fb_info *info, const char *buf, size_t count, loff_t *ppos) { @@ -743,7 +743,7 @@ out_unmap: return ret; } -#endif /* CONFIG_SH_DMA */ +#endif /* CONFIG_PVR2_DMA */ /** * pvr2fb_common_init @@ -893,7 +893,7 @@ static int __init pvr2fb_dc_init(void) return -EBUSY; } -#ifdef CONFIG_SH_DMA +#ifdef CONFIG_PVR2_DMA if (request_dma(pvr2dma, "pvr2") != 0) { free_irq(HW_EVENT_VSYNC, 0); return -EBUSY; @@ -915,7 +915,7 @@ static void __exit pvr2fb_dc_exit(void) } free_irq(HW_EVENT_VSYNC, 0); -#ifdef CONFIG_SH_DMA +#ifdef CONFIG_PVR2_DMA free_dma(pvr2dma); #endif } diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 2c5d069..b433b8a 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -33,6 +33,8 @@ struct sh_mobile_lcdc_chan { struct fb_info info; dma_addr_t dma_handle; struct fb_deferred_io defio; + unsigned long frame_end; + wait_queue_head_t frame_end_wait; }; struct sh_mobile_lcdc_priv { @@ -226,7 +228,10 @@ static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info) static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data) { struct sh_mobile_lcdc_priv *priv = data; + struct sh_mobile_lcdc_chan *ch; unsigned long tmp; + int is_sub; + int k; /* acknowledge interrupt */ tmp = lcdc_read(priv, _LDINTR); @@ -234,8 +239,24 @@ static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data) tmp |= 0x000000ff ^ LDINTR_FS; /* status in low 8 */ lcdc_write(priv, _LDINTR, tmp); - /* disable clocks */ - sh_mobile_lcdc_clk_off(priv); + /* figure out if this interrupt is for main or sub lcd */ + is_sub = (lcdc_read(priv, _LDSR) & (1 << 10)) ? 1 : 0; + + /* wake up channel and disable clocks*/ + for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { + ch = &priv->ch[k]; + + if (!ch->enabled) + continue; + + if (is_sub == lcdc_chan_is_sublcd(ch)) { + ch->frame_end = 1; + wake_up(&ch->frame_end_wait); + + sh_mobile_lcdc_clk_off(priv); + } + } + return IRQ_HANDLED; } @@ -448,18 +469,27 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) struct sh_mobile_lcdc_board_cfg *board_cfg; int k; - /* tell the board code to disable the panel */ + /* clean up deferred io and ask board code to disable panel */ for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { ch = &priv->ch[k]; - board_cfg = &ch->cfg.board_cfg; - if (board_cfg->display_off) - board_cfg->display_off(board_cfg->board_data); - /* cleanup deferred io if enabled */ + /* deferred io mode: + * flush frame, and wait for frame end interrupt + * clean up deferred io and enable clock + */ if (ch->info.fbdefio) { + ch->frame_end = 0; + schedule_delayed_work(&ch->info.deferred_work, 0); + wait_event(ch->frame_end_wait, ch->frame_end); fb_deferred_io_cleanup(&ch->info); ch->info.fbdefio = NULL; + sh_mobile_lcdc_clk_on(priv); } + + board_cfg = &ch->cfg.board_cfg; + if (board_cfg->display_off) + board_cfg->display_off(board_cfg->board_data); + } /* stop the lcdc */ @@ -652,6 +682,26 @@ static int sh_mobile_lcdc_set_bpp(struct fb_var_screeninfo *var, int bpp) return 0; } +static int sh_mobile_lcdc_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + + sh_mobile_lcdc_stop(platform_get_drvdata(pdev)); + return 0; +} + +static int sh_mobile_lcdc_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + + return sh_mobile_lcdc_start(platform_get_drvdata(pdev)); +} + +static struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = { + .suspend = sh_mobile_lcdc_suspend, + .resume = sh_mobile_lcdc_resume, +}; + static int sh_mobile_lcdc_remove(struct platform_device *pdev); static int __init sh_mobile_lcdc_probe(struct platform_device *pdev) @@ -707,6 +757,7 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "unsupported interface type\n"); goto err1; } + init_waitqueue_head(&priv->ch[i].frame_end_wait); switch (pdata->ch[i].chan) { case LCDC_CHAN_MAINLCD: @@ -860,6 +911,7 @@ static struct platform_driver sh_mobile_lcdc_driver = { .driver = { .name = "sh_mobile_lcdc_fb", .owner = THIS_MODULE, + .pm = &sh_mobile_lcdc_dev_pm_ops, }, .probe = sh_mobile_lcdc_probe, .remove = sh_mobile_lcdc_remove, |