diff options
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/Kconfig | 9 | ||||
-rw-r--r-- | drivers/video/fsl-diu-fb.c | 34 | ||||
-rw-r--r-- | drivers/video/mx3fb.c | 56 | ||||
-rw-r--r-- | drivers/video/tdfxfb.c | 267 |
4 files changed, 323 insertions, 43 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index ffe2f2796e2..7826bdce4bb 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1550,6 +1550,7 @@ config FB_3DFX select FB_CFB_IMAGEBLIT select FB_CFB_FILLRECT select FB_CFB_COPYAREA + select FB_MODE_HELPERS help This driver supports graphics boards with the 3Dfx Banshee, Voodoo3 or VSA-100 (aka Voodoo4/5) chips. Say Y if you have @@ -1565,6 +1566,14 @@ config FB_3DFX_ACCEL This will compile the 3Dfx Banshee/Voodoo3/VSA-100 frame buffer device driver with acceleration functions. +config FB_3DFX_I2C + bool "Enable DDC/I2C support" + depends on FB_3DFX && EXPERIMENTAL + select FB_DDC + default y + help + Say Y here if you want DDC/I2C support for your 3dfx Voodoo3. + config FB_VOODOO1 tristate "3Dfx Voodoo Graphics (sst1) support" depends on FB && PCI diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index fb51197d1c9..f153c581cbd 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -1352,14 +1352,15 @@ static int fsl_diu_resume(struct of_device *ofdev) #endif /* CONFIG_PM */ /* Align to 64-bit(8-byte), 32-byte, etc. */ -static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align) +static int allocate_buf(struct device *dev, struct diu_addr *buf, u32 size, + u32 bytes_align) { u32 offset, ssize; u32 mask; dma_addr_t paddr = 0; ssize = size + bytes_align; - buf->vaddr = dma_alloc_coherent(NULL, ssize, &paddr, GFP_DMA | + buf->vaddr = dma_alloc_coherent(dev, ssize, &paddr, GFP_DMA | __GFP_ZERO); if (!buf->vaddr) return -ENOMEM; @@ -1376,9 +1377,10 @@ static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align) return 0; } -static void free_buf(struct diu_addr *buf, u32 size, u32 bytes_align) +static void free_buf(struct device *dev, struct diu_addr *buf, u32 size, + u32 bytes_align) { - dma_free_coherent(NULL, size + bytes_align, + dma_free_coherent(dev, size + bytes_align, buf->vaddr, (buf->paddr - buf->offset)); return; } @@ -1476,17 +1478,19 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, machine_data->monitor_port = monitor_port; /* Area descriptor memory pool aligns to 64-bit boundary */ - if (allocate_buf(&pool.ad, sizeof(struct diu_ad) * FSL_AOI_NUM, 8)) + if (allocate_buf(&ofdev->dev, &pool.ad, + sizeof(struct diu_ad) * FSL_AOI_NUM, 8)) return -ENOMEM; /* Get memory for Gamma Table - 32-byte aligned memory */ - if (allocate_buf(&pool.gamma, 768, 32)) { + if (allocate_buf(&ofdev->dev, &pool.gamma, 768, 32)) { ret = -ENOMEM; goto error; } /* For performance, cursor bitmap buffer aligns to 32-byte boundary */ - if (allocate_buf(&pool.cursor, MAX_CURS * MAX_CURS * 2, 32)) { + if (allocate_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2, + 32)) { ret = -ENOMEM; goto error; } @@ -1554,11 +1558,13 @@ error: i > 0; i--) uninstall_fb(machine_data->fsl_diu_info[i - 1]); if (pool.ad.vaddr) - free_buf(&pool.ad, sizeof(struct diu_ad) * FSL_AOI_NUM, 8); + free_buf(&ofdev->dev, &pool.ad, + sizeof(struct diu_ad) * FSL_AOI_NUM, 8); if (pool.gamma.vaddr) - free_buf(&pool.gamma, 768, 32); + free_buf(&ofdev->dev, &pool.gamma, 768, 32); if (pool.cursor.vaddr) - free_buf(&pool.cursor, MAX_CURS * MAX_CURS * 2, 32); + free_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2, + 32); if (machine_data->dummy_aoi_virt) fsl_diu_free(machine_data->dummy_aoi_virt, 64); iounmap(dr.diu_reg); @@ -1584,11 +1590,13 @@ static int fsl_diu_remove(struct of_device *ofdev) for (i = ARRAY_SIZE(machine_data->fsl_diu_info); i > 0; i--) uninstall_fb(machine_data->fsl_diu_info[i - 1]); if (pool.ad.vaddr) - free_buf(&pool.ad, sizeof(struct diu_ad) * FSL_AOI_NUM, 8); + free_buf(&ofdev->dev, &pool.ad, + sizeof(struct diu_ad) * FSL_AOI_NUM, 8); if (pool.gamma.vaddr) - free_buf(&pool.gamma, 768, 32); + free_buf(&ofdev->dev, &pool.gamma, 768, 32); if (pool.cursor.vaddr) - free_buf(&pool.cursor, MAX_CURS * MAX_CURS * 2, 32); + free_buf(&ofdev->dev, &pool.cursor, MAX_CURS * MAX_CURS * 2, + 32); if (machine_data->dummy_aoi_virt) fsl_diu_free(machine_data->dummy_aoi_virt, 64); iounmap(dr.diu_reg); diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index fa1a512ce03..21b3692092f 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -400,12 +400,12 @@ static void sdc_disable_channel(struct mx3fb_info *mx3_fbi) static int sdc_set_window_pos(struct mx3fb_data *mx3fb, enum ipu_channel channel, int16_t x_pos, int16_t y_pos) { - x_pos += mx3fb->h_start_width; - y_pos += mx3fb->v_start_width; - if (channel != IDMAC_SDC_0) return -EINVAL; + x_pos += mx3fb->h_start_width; + y_pos += mx3fb->v_start_width; + mx3fb_write_reg(mx3fb, (x_pos << 16) | y_pos, SDC_BG_POS); return 0; } @@ -491,11 +491,13 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel, * 2^4 to get fractional part, as long as we stay under ~250MHz and on * i.MX31 it (HSP_CLK) is <= 178MHz. Currently 128.267MHz */ - dev_dbg(mx3fb->dev, "pixel clk = %d\n", pixel_clk); - ipu_clk = clk_get(mx3fb->dev, NULL); - div = clk_get_rate(ipu_clk) * 16 / pixel_clk; - clk_put(ipu_clk); + if (!IS_ERR(ipu_clk)) { + div = clk_get_rate(ipu_clk) * 16 / pixel_clk; + clk_put(ipu_clk); + } else { + div = 0; + } if (div < 0x40) { /* Divider less than 4 */ dev_dbg(mx3fb->dev, @@ -503,6 +505,9 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel, div = 0x40; } + dev_dbg(mx3fb->dev, "pixel clk = %u, divider %u.%u\n", + pixel_clk, div >> 4, (div & 7) * 125); + spin_lock_irqsave(&mx3fb->lock, lock_flags); /* @@ -515,16 +520,16 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel, /* DI settings */ old_conf = mx3fb_read_reg(mx3fb, DI_DISP_IF_CONF) & 0x78FFFFFF; old_conf |= sig.datamask_en << DI_D3_DATAMSK_SHIFT | - sig.clksel_en << DI_D3_CLK_SEL_SHIFT | - sig.clkidle_en << DI_D3_CLK_IDLE_SHIFT; + sig.clksel_en << DI_D3_CLK_SEL_SHIFT | + sig.clkidle_en << DI_D3_CLK_IDLE_SHIFT; mx3fb_write_reg(mx3fb, old_conf, DI_DISP_IF_CONF); old_conf = mx3fb_read_reg(mx3fb, DI_DISP_SIG_POL) & 0xE0FFFFFF; old_conf |= sig.data_pol << DI_D3_DATA_POL_SHIFT | - sig.clk_pol << DI_D3_CLK_POL_SHIFT | - sig.enable_pol << DI_D3_DRDY_SHARP_POL_SHIFT | - sig.Hsync_pol << DI_D3_HSYNC_POL_SHIFT | - sig.Vsync_pol << DI_D3_VSYNC_POL_SHIFT; + sig.clk_pol << DI_D3_CLK_POL_SHIFT | + sig.enable_pol << DI_D3_DRDY_SHARP_POL_SHIFT | + sig.Hsync_pol << DI_D3_HSYNC_POL_SHIFT | + sig.Vsync_pol << DI_D3_VSYNC_POL_SHIFT; mx3fb_write_reg(mx3fb, old_conf, DI_DISP_SIG_POL); switch (pixel_fmt) { @@ -721,7 +726,6 @@ static int mx3fb_set_par(struct fb_info *fbi) struct idmac_channel *ichan = mx3_fbi->idmac_channel; struct idmac_video_param *video = &ichan->params.video; struct scatterlist *sg = mx3_fbi->sg; - size_t screen_size; dev_dbg(mx3fb->dev, "%s [%c]\n", __func__, list_empty(&ichan->queue) ? '-' : '+'); @@ -745,12 +749,10 @@ static int mx3fb_set_par(struct fb_info *fbi) } } - screen_size = fbi->fix.line_length * fbi->var.yres; - sg_init_table(&sg[0], 1); sg_init_table(&sg[1], 1); - sg_dma_address(&sg[0]) = fbi->fix.smem_start; + sg_dma_address(&sg[0]) = fbi->fix.smem_start; sg_set_page(&sg[0], virt_to_page(fbi->screen_base), fbi->fix.smem_len, offset_in_page(fbi->screen_base)); @@ -927,7 +929,7 @@ static int mx3fb_setcolreg(unsigned int regno, unsigned int red, u32 val; int ret = 1; - dev_dbg(fbi->device, "%s\n", __func__); + dev_dbg(fbi->device, "%s, regno = %u\n", __func__, regno); mutex_lock(&mx3_fbi->mutex); /* @@ -973,9 +975,8 @@ static int mx3fb_blank(int blank, struct fb_info *fbi) struct mx3fb_info *mx3_fbi = fbi->par; struct mx3fb_data *mx3fb = mx3_fbi->mx3fb; - dev_dbg(fbi->device, "%s\n", __func__); - - dev_dbg(fbi->device, "blank = %d\n", blank); + dev_dbg(fbi->device, "%s, blank = %d, base %p, len %u\n", __func__, + blank, fbi->screen_base, fbi->fix.smem_len); if (mx3_fbi->blank == blank) return 0; @@ -988,8 +989,11 @@ static int mx3fb_blank(int blank, struct fb_info *fbi) case FB_BLANK_VSYNC_SUSPEND: case FB_BLANK_HSYNC_SUSPEND: case FB_BLANK_NORMAL: - sdc_disable_channel(mx3_fbi); sdc_set_brightness(mx3fb, 0); + memset((char *)fbi->screen_base, 0, fbi->fix.smem_len); + /* Give LCD time to update - enough for 50 and 60 Hz */ + msleep(25); + sdc_disable_channel(mx3_fbi); break; case FB_BLANK_UNBLANK: sdc_enable_channel(mx3_fbi); @@ -1063,6 +1067,7 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var, mutex_unlock(&mx3_fbi->mutex); dev_info(fbi->device, "Panning failed due to %s\n", ret < 0 ? "user interrupt" : "timeout"); + disable_irq(mx3_fbi->idmac_channel->eof_irq); return ret ? : -ETIMEDOUT; } @@ -1073,6 +1078,9 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var, virt_to_page(fbi->screen_base + offset), fbi->fix.smem_len, offset_in_page(fbi->screen_base + offset)); + if (mx3_fbi->txd) + async_tx_ack(mx3_fbi->txd); + txd = dma_chan->device->device_prep_slave_sg(dma_chan, sg + mx3_fbi->cur_ipu_buf, 1, DMA_TO_DEVICE, DMA_PREP_INTERRUPT); if (!txd) { @@ -1099,8 +1107,6 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var, return -EIO; } - if (mx3_fbi->txd) - async_tx_ack(mx3_fbi->txd); mx3_fbi->txd = txd; fbi->var.xoffset = var->xoffset; @@ -1506,7 +1512,7 @@ static struct platform_driver mx3fb_driver = { * example: * video=mx3fb:bpp=16 */ -static int mx3fb_setup(void) +static int __init mx3fb_setup(void) { #ifndef MODULE char *opt, *options = NULL; diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c index ee64771fbe3..89f231dc443 100644 --- a/drivers/video/tdfxfb.c +++ b/drivers/video/tdfxfb.c @@ -10,6 +10,12 @@ * Created : Thu Sep 23 18:17:43 1999, hmallat * Last modified: Tue Nov 2 21:19:47 1999, hmallat * + * I2C part copied from the i2c-voodoo3.c driver by: + * Frodo Looijaard <frodol@dds.nl>, + * Philip Edelbrock <phil@netroedge.com>, + * Ralph Metzler <rjkm@thp.uni-koeln.de>, and + * Mark D. Studebaker <mdsxyz123@yahoo.com> + * * Lots of the information here comes from the Daryll Strauss' Banshee * patches to the XF86 server, and the rest comes from the 3dfx * Banshee specification. I'm very much indebted to Daryll for his @@ -481,6 +487,12 @@ static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) return -EINVAL; } + if (info->monspecs.hfmax && info->monspecs.vfmax && + info->monspecs.dclkmax && fb_validate_mode(var, info) < 0) { + DPRINTK("mode outside monitor's specs\n"); + return -EINVAL; + } + var->xres = (var->xres + 15) & ~15; /* could sometimes be 8 */ lpitch = var->xres * ((var->bits_per_pixel + 7) >> 3); @@ -1167,6 +1179,207 @@ static struct fb_ops tdfxfb_ops = { #endif }; +#ifdef CONFIG_FB_3DFX_I2C +/* The voo GPIO registers don't have individual masks for each bit + so we always have to read before writing. */ + +static void tdfxfb_i2c_setscl(void *data, int val) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + unsigned int r; + + r = tdfx_inl(par, VIDSERPARPORT); + if (val) + r |= I2C_SCL_OUT; + else + r &= ~I2C_SCL_OUT; + tdfx_outl(par, VIDSERPARPORT, r); + tdfx_inl(par, VIDSERPARPORT); /* flush posted write */ +} + +static void tdfxfb_i2c_setsda(void *data, int val) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + unsigned int r; + + r = tdfx_inl(par, VIDSERPARPORT); + if (val) + r |= I2C_SDA_OUT; + else + r &= ~I2C_SDA_OUT; + tdfx_outl(par, VIDSERPARPORT, r); + tdfx_inl(par, VIDSERPARPORT); /* flush posted write */ +} + +/* The GPIO pins are open drain, so the pins always remain outputs. + We rely on the i2c-algo-bit routines to set the pins high before + reading the input from other chips. */ + +static int tdfxfb_i2c_getscl(void *data) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + + return (0 != (tdfx_inl(par, VIDSERPARPORT) & I2C_SCL_IN)); +} + +static int tdfxfb_i2c_getsda(void *data) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + + return (0 != (tdfx_inl(par, VIDSERPARPORT) & I2C_SDA_IN)); +} + +static void tdfxfb_ddc_setscl(void *data, int val) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + unsigned int r; + + r = tdfx_inl(par, VIDSERPARPORT); + if (val) + r |= DDC_SCL_OUT; + else + r &= ~DDC_SCL_OUT; + tdfx_outl(par, VIDSERPARPORT, r); + tdfx_inl(par, VIDSERPARPORT); /* flush posted write */ +} + +static void tdfxfb_ddc_setsda(void *data, int val) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + unsigned int r; + + r = tdfx_inl(par, VIDSERPARPORT); + if (val) + r |= DDC_SDA_OUT; + else + r &= ~DDC_SDA_OUT; + tdfx_outl(par, VIDSERPARPORT, r); + tdfx_inl(par, VIDSERPARPORT); /* flush posted write */ +} + +static int tdfxfb_ddc_getscl(void *data) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + + return (0 != (tdfx_inl(par, VIDSERPARPORT) & DDC_SCL_IN)); +} + +static int tdfxfb_ddc_getsda(void *data) +{ + struct tdfxfb_i2c_chan *chan = data; + struct tdfx_par *par = chan->par; + + return (0 != (tdfx_inl(par, VIDSERPARPORT) & DDC_SDA_IN)); +} + +static int __devinit tdfxfb_setup_ddc_bus(struct tdfxfb_i2c_chan *chan, + const char *name, struct device *dev) +{ + int rc; + + strlcpy(chan->adapter.name, name, sizeof(chan->adapter.name)); + chan->adapter.owner = THIS_MODULE; + chan->adapter.class = I2C_CLASS_DDC; + chan->adapter.algo_data = &chan->algo; + chan->adapter.dev.parent = dev; + chan->algo.setsda = tdfxfb_ddc_setsda; + chan->algo.setscl = tdfxfb_ddc_setscl; + chan->algo.getsda = tdfxfb_ddc_getsda; + chan->algo.getscl = tdfxfb_ddc_getscl; + chan->algo.udelay = 10; + chan->algo.timeout = msecs_to_jiffies(500); + chan->algo.data = chan; + + i2c_set_adapdata(&chan->adapter, chan); + + rc = i2c_bit_add_bus(&chan->adapter); + if (rc == 0) + DPRINTK("I2C bus %s registered.\n", name); + else + chan->par = NULL; + + return rc; +} + +static int __devinit tdfxfb_setup_i2c_bus(struct tdfxfb_i2c_chan *chan, + const char *name, struct device *dev) +{ + int rc; + + strlcpy(chan->adapter.name, name, sizeof(chan->adapter.name)); + chan->adapter.owner = THIS_MODULE; + chan->adapter.class = I2C_CLASS_TV_ANALOG; + chan->adapter.algo_data = &chan->algo; + chan->adapter.dev.parent = dev; + chan->algo.setsda = tdfxfb_i2c_setsda; + chan->algo.setscl = tdfxfb_i2c_setscl; + chan->algo.getsda = tdfxfb_i2c_getsda; + chan->algo.getscl = tdfxfb_i2c_getscl; + chan->algo.udelay = 10; + chan->algo.timeout = msecs_to_jiffies(500); + chan->algo.data = chan; + + i2c_set_adapdata(&chan->adapter, chan); + + rc = i2c_bit_add_bus(&chan->adapter); + if (rc == 0) + DPRINTK("I2C bus %s registered.\n", name); + else + chan->par = NULL; + + return rc; +} + +static void __devinit tdfxfb_create_i2c_busses(struct fb_info *info) +{ + struct tdfx_par *par = info->par; + + tdfx_outl(par, VIDINFORMAT, 0x8160); + tdfx_outl(par, VIDSERPARPORT, 0xcffc0020); + + par->chan[0].par = par; + par->chan[1].par = par; + + tdfxfb_setup_ddc_bus(&par->chan[0], "Voodoo3-DDC", info->dev); + tdfxfb_setup_i2c_bus(&par->chan[1], "Voodoo3-I2C", info->dev); +} + +static void tdfxfb_delete_i2c_busses(struct tdfx_par *par) +{ + if (par->chan[0].par) + i2c_del_adapter(&par->chan[0].adapter); + par->chan[0].par = NULL; + + if (par->chan[1].par) + i2c_del_adapter(&par->chan[1].adapter); + par->chan[1].par = NULL; +} + +static int tdfxfb_probe_i2c_connector(struct tdfx_par *par, + struct fb_monspecs *specs) +{ + u8 *edid = NULL; + + DPRINTK("Probe DDC Bus\n"); + if (par->chan[0].par) + edid = fb_ddc_read(&par->chan[0].adapter); + + if (edid) { + fb_edid_to_monspecs(edid, specs); + kfree(edid); + return 0; + } + return 1; +} +#endif /* CONFIG_FB_3DFX_I2C */ + /** * tdfxfb_probe - Device Initializiation * @@ -1182,6 +1395,8 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev, struct tdfx_par *default_par; struct fb_info *info; int err, lpitch; + struct fb_monspecs *specs; + bool found; err = pci_enable_device(pdev); if (err) { @@ -1284,13 +1499,49 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev, if (hwcursor) info->fix.smem_len = (info->fix.smem_len - 1024) & (PAGE_MASK << 1); - - if (!mode_option) + specs = &info->monspecs; + found = false; + info->var.bits_per_pixel = 8; +#ifdef CONFIG_FB_3DFX_I2C + tdfxfb_create_i2c_busses(info); + err = tdfxfb_probe_i2c_connector(default_par, specs); + + if (!err) { + if (specs->modedb == NULL) + DPRINTK("Unable to get Mode Database\n"); + else { + const struct fb_videomode *m; + + fb_videomode_to_modelist(specs->modedb, + specs->modedb_len, + &info->modelist); + m = fb_find_best_display(specs, &info->modelist); + if (m) { + fb_videomode_to_var(&info->var, m); + /* fill all other info->var's fields */ + if (tdfxfb_check_var(&info->var, info) < 0) + info->var = tdfx_var; + else + found = true; + } + } + } +#endif + if (!mode_option && !found) mode_option = "640x480@60"; - err = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 8); - if (!err || err == 4) - info->var = tdfx_var; + if (mode_option) { + err = fb_find_mode(&info->var, info, mode_option, + specs->modedb, specs->modedb_len, + NULL, info->var.bits_per_pixel); + if (!err || err == 4) + info->var = tdfx_var; + } + + if (found) { + fb_destroy_modedb(specs->modedb); + specs->modedb = NULL; + } /* maximize virtual vertical length */ lpitch = info->var.xres_virtual * ((info->var.bits_per_pixel + 7) >> 3); @@ -1315,6 +1566,9 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev, return 0; out_err_iobase: +#ifdef CONFIG_FB_3DFX_I2C + tdfxfb_delete_i2c_busses(default_par); +#endif if (default_par->mtrr_handle >= 0) mtrr_del(default_par->mtrr_handle, info->fix.smem_start, info->fix.smem_len); @@ -1379,6 +1633,9 @@ static void __devexit tdfxfb_remove(struct pci_dev *pdev) struct tdfx_par *par = info->par; unregister_framebuffer(info); +#ifdef CONFIG_FB_3DFX_I2C + tdfxfb_delete_i2c_busses(par); +#endif if (par->mtrr_handle >= 0) mtrr_del(par->mtrr_handle, info->fix.smem_start, info->fix.smem_len); |