#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
- #include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/i2c.h>
#include <linux/i2c/tsc2007.h>
#include <linux/input/sh_keysc.h>
#include <linux/usb/r8a66597.h>
+ #include <media/sh_mobile_ceu.h>
+ #include <media/sh_mobile_csi2.h>
+ #include <media/soc_camera.h>
+
#include <sound/sh_fsi.h>
#include <video/sh_mobile_hdmi.h>
/* SH_MMCIF */
static struct resource sh_mmcif_resources[] = {
[0] = {
- .name = "SH_MMCIF",
+ .name = "MMCIF",
.start = 0xE6BD0000,
.end = 0xE6BD00FF,
.flags = IORESOURCE_MEM,
.resource = usb1_host_resources,
};
+ const static struct fb_videomode ap4evb_lcdc_modes[] = {
+ {
+ #ifdef CONFIG_AP4EVB_QHD
+ .name = "R63302(QHD)",
+ .xres = 544,
+ .yres = 961,
+ .left_margin = 72,
+ .right_margin = 600,
+ .hsync_len = 16,
+ .upper_margin = 8,
+ .lower_margin = 8,
+ .vsync_len = 2,
+ .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
+ #else
+ .name = "WVGA Panel",
+ .xres = 800,
+ .yres = 480,
+ .left_margin = 220,
+ .right_margin = 110,
+ .hsync_len = 70,
+ .upper_margin = 20,
+ .lower_margin = 5,
+ .vsync_len = 5,
+ .sync = 0,
+ #endif
+ },
+ };
+
static struct sh_mobile_lcdc_info lcdc_info = {
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.bpp = 16,
+ .lcd_cfg = ap4evb_lcdc_modes,
+ .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
}
};
/* FSI */
#define IRQ_FSI evt2irq(0x1840)
- #define FSIACKCR 0xE6150018
- static void fsiackcr_init(struct clk *clk)
- {
- u32 status = __raw_readl(clk->enable_reg);
-
- /* use external clock */
- status &= ~0x000000ff;
- status |= 0x00000080;
- __raw_writel(status, clk->enable_reg);
- }
-
- static struct clk_ops fsiackcr_clk_ops = {
- .init = fsiackcr_init,
- };
-
- static struct clk fsiackcr_clk = {
- .ops = &fsiackcr_clk_ops,
- .enable_reg = (void __iomem *)FSIACKCR,
- .rate = 0, /* unknown */
- };
-
static struct sh_fsi_platform_info fsi_info = {
.porta_flags = SH_FSI_BRS_INV |
SH_FSI_OUT_SLAVE_MODE |
.interface_type = RGB24,
.clock_divider = 1,
.flags = LCDC_FLAGS_DWPOL,
- .lcd_cfg = {
- .name = "HDMI",
- /* So far only 720p is supported */
- .xres = 1280,
- .yres = 720,
- /*
- * If left and right margins are not multiples of 8,
- * LDHAJR will be adjusted accordingly by the LCDC
- * driver. Until we start using EDID, these values
- * might have to be adjusted for different monitors.
- */
- .left_margin = 200,
- .right_margin = 88,
- .hsync_len = 48,
- .upper_margin = 20,
- .lower_margin = 5,
- .vsync_len = 5,
- .pixclock = 13468,
- .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
- },
}
};
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = intcs_evt2irq(0x17a0),
+ .start = intcs_evt2irq(0x1780),
.flags = IORESOURCE_IRQ,
},
};
},
};
+ static struct i2c_board_info imx074_info = {
+ I2C_BOARD_INFO("imx074", 0x1a),
+ };
+
+ struct soc_camera_link imx074_link = {
+ .bus_id = 0,
+ .board_info = &imx074_info,
+ .i2c_adapter_id = 0,
+ .module_name = "imx074",
+ };
+
+ static struct platform_device ap4evb_camera = {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &imx074_link,
+ },
+ };
+
+ static struct sh_csi2_client_config csi2_clients[] = {
+ {
+ .phy = SH_CSI2_PHY_MAIN,
+ .lanes = 3,
+ .channel = 0,
+ .pdev = &ap4evb_camera,
+ },
+ };
+
+ static struct sh_csi2_pdata csi2_info = {
+ .type = SH_CSI2C,
+ .clients = csi2_clients,
+ .num_clients = ARRAY_SIZE(csi2_clients),
+ .flags = SH_CSI2_ECC | SH_CSI2_CRC,
+ };
+
+ static struct resource csi2_resources[] = {
+ [0] = {
+ .name = "CSI2",
+ .start = 0xffc90000,
+ .end = 0xffc90fff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = intcs_evt2irq(0x17a0),
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ static struct platform_device csi2_device = {
+ .name = "sh-mobile-csi2",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(csi2_resources),
+ .resource = csi2_resources,
+ .dev = {
+ .platform_data = &csi2_info,
+ },
+ };
+
+ static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
+ .flags = SH_CEU_FLAG_USE_8BIT_BUS,
+ .csi2_dev = &csi2_device.dev,
+ };
+
+ static struct resource ceu_resources[] = {
+ [0] = {
+ .name = "CEU",
+ .start = 0xfe910000,
+ .end = 0xfe91009f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = intcs_evt2irq(0x880),
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* place holder for contiguous memory */
+ },
+ };
+
+ static struct platform_device ceu_device = {
+ .name = "sh_mobile_ceu",
+ .id = 0, /* "ceu0" clock */
+ .num_resources = ARRAY_SIZE(ceu_resources),
+ .resource = ceu_resources,
+ .dev = {
+ .platform_data = &sh_mobile_ceu_info,
+ },
+ };
+
static struct platform_device *ap4evb_devices[] __initdata = {
&leds_device,
&nor_flash_device,
&lcdc1_device,
&lcdc_device,
&hdmi_device,
+ &csi2_device,
+ &ceu_device,
+ &ap4evb_camera,
};
static int __init hdmi_init_pm_clock(void)
goto out;
}
- ret = clk_set_parent(&pllc2_clk, &dv_clki_div2_clk);
+ ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
if (ret < 0) {
- pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, pllc2_clk.usecount);
+ pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
goto out;
}
- pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&pllc2_clk));
+ pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
- rate = clk_round_rate(&pllc2_clk, 594000000);
+ rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
if (rate < 0) {
pr_err("Cannot get suitable rate: %ld\n", rate);
ret = rate;
goto out;
}
- ret = clk_set_rate(&pllc2_clk, rate);
+ ret = clk_set_rate(&sh7372_pllc2_clk, rate);
if (ret < 0) {
pr_err("Cannot set rate %ld: %d\n", rate, ret);
goto out;
pr_debug("PLLC2 set frequency %lu\n", rate);
- ret = clk_set_parent(hdmi_ick, &pllc2_clk);
+ ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
if (ret < 0) {
pr_err("Cannot set HDMI parent: %d\n", ret);
goto out;
device_initcall(hdmi_init_pm_clock);
+ #define FSIACK_DUMMY_RATE 48000
+ static int __init fsi_init_pm_clock(void)
+ {
+ struct clk *fsia_ick;
+ int ret;
+
+ /*
+ * FSIACK is connected to AK4642,
+ * and the rate is depend on playing sound rate.
+ * So, set dummy rate (= 48k) here
+ */
+ ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE);
+ if (ret < 0) {
+ pr_err("Cannot set FSIACK dummy rate: %d\n", ret);
+ return ret;
+ }
+
+ fsia_ick = clk_get(&fsi_device.dev, "icka");
+ if (IS_ERR(fsia_ick)) {
+ ret = PTR_ERR(fsia_ick);
+ pr_err("Cannot get FSI ICK: %d\n", ret);
+ return ret;
+ }
+
+ ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
+ if (ret < 0) {
+ pr_err("Cannot set FSI-A parent: %d\n", ret);
+ goto out;
+ }
+
+ ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE);
+ if (ret < 0)
+ pr_err("Cannot set FSI-A rate: %d\n", ret);
+
+ out:
+ clk_put(fsia_ick);
+
+ return ret;
+ }
+ device_initcall(fsi_init_pm_clock);
+
/*
* FIXME !!
*
* gpio_no_direction
- * gpio_pull_up
* are quick_hack.
*
* current gpio frame work doesn't have
__raw_writeb(0x00, addr);
}
- static void __init gpio_pull_up(u32 addr)
- {
- u8 data = __raw_readb(addr);
-
- data &= 0x0F;
- data |= 0xC0;
- __raw_writeb(data, addr);
- }
-
/* TouchScreen */
+ #ifdef CONFIG_AP4EVB_QHD
+ # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
+ # define GPIO_TSC_PORT GPIO_PORT123
+ #else /* WVGA */
+ # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
+ # define GPIO_TSC_PORT GPIO_PORT40
+ #endif
+
#define IRQ28 evt2irq(0x3380) /* IRQ28A */
#define IRQ7 evt2irq(0x02e0) /* IRQ7A */
static int ts_get_pendown_state(void)
{
- int val1, val2;
+ int val;
- gpio_free(GPIO_FN_IRQ28_123);
- gpio_free(GPIO_FN_IRQ7_40);
+ gpio_free(GPIO_TSC_IRQ);
- gpio_request(GPIO_PORT123, NULL);
- gpio_request(GPIO_PORT40, NULL);
+ gpio_request(GPIO_TSC_PORT, NULL);
- gpio_direction_input(GPIO_PORT123);
- gpio_direction_input(GPIO_PORT40);
+ gpio_direction_input(GPIO_TSC_PORT);
- val1 = gpio_get_value(GPIO_PORT123);
- val2 = gpio_get_value(GPIO_PORT40);
+ val = gpio_get_value(GPIO_TSC_PORT);
- gpio_request(GPIO_FN_IRQ28_123, NULL); /* for QHD */
- gpio_request(GPIO_FN_IRQ7_40, NULL); /* for WVGA */
+ gpio_request(GPIO_TSC_IRQ, NULL);
- return val1 ^ val2;
+ return !val;
}
- #define PORT40CR 0xE6051028
- #define PORT123CR 0xE605007B
static int ts_init(void)
{
- gpio_request(GPIO_FN_IRQ28_123, NULL); /* for QHD */
- gpio_request(GPIO_FN_IRQ7_40, NULL); /* for WVGA */
-
- gpio_pull_up(PORT40CR);
- gpio_pull_up(PORT123CR);
+ gpio_request(GPIO_TSC_IRQ, NULL);
return 0;
}
clk_put(clk);
}
- /* change parent of FSI A */
- clk = clk_get(NULL, "fsia_clk");
- if (!IS_ERR(clk)) {
- clk_register(&fsiackcr_clk);
- clk_set_parent(clk, &fsiackcr_clk);
- clk_put(clk);
- }
-
/*
* set irq priority, to avoid sound chopping
* when NFS rootfs is used
ARRAY_SIZE(i2c1_devices));
#ifdef CONFIG_AP4EVB_QHD
+
/*
- * QHD
+ * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
+ * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
*/
/* enable KEYSC */
lcdc_info.ch[0].interface_type = RGB24;
lcdc_info.ch[0].clock_divider = 1;
lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
- lcdc_info.ch[0].lcd_cfg.name = "R63302(QHD)";
- lcdc_info.ch[0].lcd_cfg.xres = 544;
- lcdc_info.ch[0].lcd_cfg.yres = 961;
- lcdc_info.ch[0].lcd_cfg.left_margin = 72;
- lcdc_info.ch[0].lcd_cfg.right_margin = 600;
- lcdc_info.ch[0].lcd_cfg.hsync_len = 16;
- lcdc_info.ch[0].lcd_cfg.upper_margin = 8;
- lcdc_info.ch[0].lcd_cfg.lower_margin = 8;
- lcdc_info.ch[0].lcd_cfg.vsync_len = 2;
- lcdc_info.ch[0].lcd_cfg.sync = FB_SYNC_VERT_HIGH_ACT |
- FB_SYNC_HOR_HIGH_ACT;
lcdc_info.ch[0].lcd_size_cfg.width = 44;
lcdc_info.ch[0].lcd_size_cfg.height = 79;
#else
/*
- * WVGA
+ * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
+ * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
*/
+
gpio_request(GPIO_FN_LCDD17, NULL);
gpio_request(GPIO_FN_LCDD16, NULL);
gpio_request(GPIO_FN_LCDD15, NULL);
lcdc_info.ch[0].interface_type = RGB18;
lcdc_info.ch[0].clock_divider = 2;
lcdc_info.ch[0].flags = 0;
- lcdc_info.ch[0].lcd_cfg.name = "WVGA Panel";
- lcdc_info.ch[0].lcd_cfg.xres = 800;
- lcdc_info.ch[0].lcd_cfg.yres = 480;
- lcdc_info.ch[0].lcd_cfg.left_margin = 220;
- lcdc_info.ch[0].lcd_cfg.right_margin = 110;
- lcdc_info.ch[0].lcd_cfg.hsync_len = 70;
- lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
- lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
- lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
- lcdc_info.ch[0].lcd_cfg.sync = 0;
lcdc_info.ch[0].lcd_size_cfg.width = 152;
lcdc_info.ch[0].lcd_size_cfg.height = 91;
i2c_register_board_info(0, &tsc_device, 1);
#endif /* CONFIG_AP4EVB_QHD */
+ /* CEU */
+
+ /*
+ * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
+ * becomes available
+ */
+
+ /* MIPI-CSI stuff */
+ gpio_request(GPIO_FN_VIO_CKO, NULL);
+
+ clk = clk_get(NULL, "vck1_clk");
+ if (!IS_ERR(clk)) {
+ clk_set_rate(clk, clk_round_rate(clk, 13000000));
+ clk_enable(clk);
+ clk_put(clk);
+ }
+
sh7372_add_standard_devices();
/* HDMI */
shmobile_timer.init();
/* External clock source */
- clk_set_rate(&dv_clki_clk, 27000000);
+ clk_set_rate(&sh7372_dv_clki_clk, 27000000);
}
static struct sys_timer ap4evb_timer = {
};
MACHINE_START(AP4EVB, "ap4evb")
- .phys_io = 0xe6000000,
- .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
.map_io = ap4evb_map_io,
.init_irq = sh7372_init_irq,
.init_machine = ap4evb_init,
};
/* LCDC */
+ const static struct fb_videomode ecovec_lcd_modes[] = {
+ {
+ .name = "Panel",
+ .xres = 800,
+ .yres = 480,
+ .left_margin = 220,
+ .right_margin = 110,
+ .hsync_len = 70,
+ .upper_margin = 20,
+ .lower_margin = 5,
+ .vsync_len = 5,
+ .sync = 0, /* hsync and vsync are active low */
+ },
+ };
+
+ const static struct fb_videomode ecovec_dvi_modes[] = {
+ {
+ .name = "DVI",
+ .xres = 1280,
+ .yres = 720,
+ .left_margin = 220,
+ .right_margin = 110,
+ .hsync_len = 40,
+ .upper_margin = 20,
+ .lower_margin = 5,
+ .vsync_len = 5,
+ .sync = 0, /* hsync and vsync are active low */
+ },
+ };
+
static struct sh_mobile_lcdc_info lcdc_info = {
.ch[0] = {
.interface_type = RGB18,
.chan = LCDC_CHAN_MAINLCD,
.bpp = 16,
- .lcd_cfg = {
- .sync = 0, /* hsync and vsync are active low */
- },
.lcd_size_cfg = { /* 7.0 inch */
.width = 152,
.height = 91,
if (gpio_get_value(GPIO_PTE6)) {
/* DVI */
lcdc_info.clock_source = LCDC_CLK_EXTERNAL;
- lcdc_info.ch[0].clock_divider = 1,
- lcdc_info.ch[0].lcd_cfg.name = "DVI";
- lcdc_info.ch[0].lcd_cfg.xres = 1280;
- lcdc_info.ch[0].lcd_cfg.yres = 720;
- lcdc_info.ch[0].lcd_cfg.left_margin = 220;
- lcdc_info.ch[0].lcd_cfg.right_margin = 110;
- lcdc_info.ch[0].lcd_cfg.hsync_len = 40;
- lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
- lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
- lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
+ lcdc_info.ch[0].clock_divider = 1;
+ lcdc_info.ch[0].lcd_cfg = ecovec_dvi_modes;
+ lcdc_info.ch[0].num_cfg = ARRAY_SIZE(ecovec_dvi_modes);
gpio_set_value(GPIO_PTA2, 1);
gpio_set_value(GPIO_PTU1, 1);
} else {
/* Panel */
-
lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
- lcdc_info.ch[0].clock_divider = 2,
- lcdc_info.ch[0].lcd_cfg.name = "Panel";
- lcdc_info.ch[0].lcd_cfg.xres = 800;
- lcdc_info.ch[0].lcd_cfg.yres = 480;
- lcdc_info.ch[0].lcd_cfg.left_margin = 220;
- lcdc_info.ch[0].lcd_cfg.right_margin = 110;
- lcdc_info.ch[0].lcd_cfg.hsync_len = 70;
- lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
- lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
- lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
+ lcdc_info.ch[0].clock_divider = 2;
+ lcdc_info.ch[0].lcd_cfg = ecovec_lcd_modes;
+ lcdc_info.ch[0].num_cfg = ARRAY_SIZE(ecovec_lcd_modes);
gpio_set_value(GPIO_PTR1, 1);
/* set SPU2 clock to 83.4 MHz */
clk = clk_get(NULL, "spu_clk");
- if (clk) {
+ if (!IS_ERR(clk)) {
clk_set_rate(clk, clk_round_rate(clk, 83333333));
clk_put(clk);
}
/* change parent of FSI B */
clk = clk_get(NULL, "fsib_clk");
- if (clk) {
+ if (!IS_ERR(clk)) {
clk_register(&fsimckb_clk);
clk_set_parent(clk, &fsimckb_clk);
clk_set_rate(clk, 11000);
/* set VPU clock to 166 MHz */
clk = clk_get(NULL, "vpu_clk");
- if (clk) {
+ if (!IS_ERR(clk)) {
clk_set_rate(clk, clk_round_rate(clk, 166000000));
clk_put(clk);
}
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/workqueue.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
#include <video/sh_mobile_hdmi.h>
#include <video/sh_mobile_lcdc.h>
+ #include "sh_mobile_lcdcfb.h"
+
#define HDMI_SYSTEM_CTRL 0x00 /* System control */
#define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control,
bits 19..16 of 20-bit N for Audio Clock Regeneration packet */
struct sh_hdmi {
void __iomem *base;
- enum hotplug_state hp_state;
+ enum hotplug_state hp_state; /* hot-plug status */
+ bool preprogrammed_mode; /* use a pre-programmed VIC or the external mode */
struct clk *hdmi_clk;
struct device *dev;
struct fb_info *info;
+ struct mutex mutex; /* Protect the info pointer */
struct delayed_work edid_work;
struct fb_var_screeninfo var;
+ struct fb_monspecs monspec;
};
static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg)
return ioread8(hdmi->base + reg);
}
+/*
+ * HDMI sound
+ */
+static unsigned int sh_hdmi_snd_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
+
+ return hdmi_read(hdmi, reg);
+}
+
+static int sh_hdmi_snd_write(struct snd_soc_codec *codec,
+ unsigned int reg,
+ unsigned int value)
+{
+ struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
+
+ hdmi_write(hdmi, value, reg);
+ return 0;
+}
+
+static struct snd_soc_dai_driver sh_hdmi_dai = {
+ .name = "sh_mobile_hdmi-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+ SNDRV_PCM_RATE_192000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+};
+
+static int sh_hdmi_snd_probe(struct snd_soc_codec *codec)
+{
+ dev_info(codec->dev, "SH Mobile HDMI Audio Codec");
+
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = {
+ .probe = sh_hdmi_snd_probe,
+ .read = sh_hdmi_snd_read,
+ .write = sh_hdmi_snd_write,
+};
+
+/*
+ * HDMI video
+ */
+
/* External video parameter settings */
- static void hdmi_external_video_param(struct sh_hdmi *hdmi)
+ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
{
struct fb_var_screeninfo *var = &hdmi->var;
u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset;
if (var->sync & FB_SYNC_VERT_HIGH_ACT)
sync |= 8;
- pr_debug("H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
- htotal, hblank, hdelay, var->hsync_len,
- vtotal, vblank, vdelay, var->vsync_len, sync);
+ dev_dbg(hdmi->dev, "H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
+ htotal, hblank, hdelay, var->hsync_len,
+ vtotal, vblank, vdelay, var->vsync_len, sync);
hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
- /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for manual mode */
+ /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
+ if (!hdmi->preprogrammed_mode)
+ hdmi_write(hdmi, sync | 1 | (voffset << 4),
+ HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
}
/**
*/
static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
{
+ u8 data;
+ struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+
/*
* [7:4] L/R data swap control
* [3:0] appropriate N[19:16]
* [6:5] set required down sampling rate if required
* [4:3] set required audio source
*/
- hdmi_write(hdmi, 0x00, HDMI_AUDIO_SETTING_1);
+ switch (pdata->flags & HDMI_SND_SRC_MASK) {
+ default:
+ /* fall through */
+ case HDMI_SND_SRC_I2S:
+ data = 0x0 << 3;
+ break;
+ case HDMI_SND_SRC_SPDIF:
+ data = 0x1 << 3;
+ break;
+ case HDMI_SND_SRC_DSD:
+ data = 0x2 << 3;
+ break;
+ case HDMI_SND_SRC_HBR:
+ data = 0x3 << 3;
+ break;
+ }
+ hdmi_write(hdmi, data, HDMI_AUDIO_SETTING_1);
/* [3:0] set sending channel number for channel status */
hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2);
}
/**
- * sh_hdmi_phy_config()
+ * sh_hdmi_phy_config() - configure the HDMI PHY for the used video mode
*/
static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
{
- /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
- hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
- hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
- hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
- /* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */
- hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
- hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
- hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
- hdmi_write(hdmi, 0x0E, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
- hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
- hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+ if (hdmi->var.yres > 480) {
+ /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
+ /*
+ * [1:0] Speed_A
+ * [3:2] Speed_B
+ * [4] PLLA_Bypass
+ * [6] DRV_TEST_EN
+ * [7] DRV_TEST_IN
+ */
+ hdmi_write(hdmi, 0x0f, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
+ /* PLLB_CONFIG[17], PLLA_CONFIG[17] - not in PHY datasheet */
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
+ /*
+ * [2:0] BGR_I_OFFSET
+ * [6:4] BGR_V_OFFSET
+ */
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
+ /* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */
+ hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
+ /*
+ * PLLA_CONFIG[15:8]: regulator voltage[0], CP current,
+ * LPF capacitance, LPF resistance[1]
+ */
+ hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
+ /* PLLB_CONFIG[7:0]: LPF resistance[0], VCO offset, VCO gain */
+ hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
+ /*
+ * PLLB_CONFIG[15:8]: regulator voltage[0], CP current,
+ * LPF capacitance, LPF resistance[1]
+ */
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
+ /* DRV_CONFIG, PE_CONFIG */
+ hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
+ /*
+ * [2:0] AMON_SEL (4 == LPF voltage)
+ * [4] PLLA_CONFIG[16]
+ * [5] PLLB_CONFIG[16]
+ */
+ hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+ } else {
+ /* for 480p8bit 27MHz */
+ hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
+ hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
+ hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
+ hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
+ hdmi_write(hdmi, 0x0F, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
+ hdmi_write(hdmi, 0x20, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
+ hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+ }
}
/**
*/
static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
{
+ u8 vic;
+
/* AVI InfoFrame */
hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_INDEX);
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1);
/*
- * C = No Data
- * M = 16:9 Picture Aspect Ratio
- * R = Same as picture aspect ratio
+ * [7:6] C = Colorimetry: no data
+ * [5:4] M = 2: 16:9, 1: 4:3 Picture Aspect Ratio
+ * [3:0] R = 8: Active Frame Aspect Ratio: same as picture aspect ratio
*/
hdmi_write(hdmi, 0x28, HDMI_CTRL_PKT_BUF_ACCESS_PB2);
/*
* VIC = 1280 x 720p: ignored if external config is used
- * Send 2 for 720 x 480p, 16 for 1080p
+ * Send 2 for 720 x 480p, 16 for 1080p, ignored in external mode
*/
- hdmi_write(hdmi, 4, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
+ if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
+ vic = 16;
+ else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
+ vic = 2;
+ else
+ vic = 4;
+ hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
/* PR = No Repetition */
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5);
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10);
}
- /**
- * sh_hdmi_gamut_metadata_setup() - Gamut Metadata Packet of CONTROL PACKET
- */
- static void sh_hdmi_gamut_metadata_setup(struct sh_hdmi *hdmi)
- {
- int i;
-
- /* Gamut Metadata Packet */
- hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_INDEX);
-
- /* Packet Type = 0x0A */
- hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
- /* Gamut Packet is not used, so default value */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
- /* Gamut Packet is not used, so default value */
- hdmi_write(hdmi, 0x10, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
-
- /* GBD bytes 0 through 27 */
- for (i = 0; i <= 27; i++)
- /* HDMI_CTRL_PKT_BUF_ACCESS_PB0_63H - PB27_7EH */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
- }
-
- /**
- * sh_hdmi_acp_setup() - Audio Content Protection Packet (ACP)
- */
- static void sh_hdmi_acp_setup(struct sh_hdmi *hdmi)
- {
- int i;
-
- /* Audio Content Protection Packet (ACP) */
- hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_INDEX);
-
- /* Packet Type = 0x04 */
- hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
- /* ACP_Type */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
- /* Reserved (0) */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
-
- /* GBD bytes 0 through 27 */
- for (i = 0; i <= 27; i++)
- /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
- }
-
- /**
- * sh_hdmi_isrc1_setup() - ISRC1 Packet
- */
- static void sh_hdmi_isrc1_setup(struct sh_hdmi *hdmi)
- {
- int i;
-
- /* ISRC1 Packet */
- hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_INDEX);
-
- /* Packet Type = 0x05 */
- hdmi_write(hdmi, 0x05, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
- /* ISRC_Cont, ISRC_Valid, Reserved (0), ISRC_Status */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
- /* Reserved (0) */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
-
- /* PB0 UPC_EAN_ISRC_0-15 */
- /* Bytes PB16-PB27 shall be set to a value of 0. */
- for (i = 0; i <= 27; i++)
- /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
- }
-
- /**
- * sh_hdmi_isrc2_setup() - ISRC2 Packet
- */
- static void sh_hdmi_isrc2_setup(struct sh_hdmi *hdmi)
- {
- int i;
-
- /* ISRC2 Packet */
- hdmi_write(hdmi, 0x03, HDMI_CTRL_PKT_BUF_INDEX);
-
- /* HB0 Packet Type = 0x06 */
- hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
- /* Reserved (0) */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
- /* Reserved (0) */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
-
- /* PB0 UPC_EAN_ISRC_16-31 */
- /* Bytes PB16-PB27 shall be set to a value of 0. */
- for (i = 0; i <= 27; i++)
- /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
- hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
- }
-
/**
* sh_hdmi_configure() - Initialise HDMI for output
*/
/* Audio InfoFrame */
sh_hdmi_audio_infoframe_setup(hdmi);
- /* Gamut Metadata packet */
- sh_hdmi_gamut_metadata_setup(hdmi);
-
- /* Audio Content Protection (ACP) Packet */
- sh_hdmi_acp_setup(hdmi);
-
- /* ISRC1 Packet */
- sh_hdmi_isrc1_setup(hdmi);
-
- /* ISRC2 Packet */
- sh_hdmi_isrc2_setup(hdmi);
-
/*
* Control packet auto send with VSYNC control: auto send
* General control, Gamut metadata, ISRC, and ACP packets
hdmi_write(hdmi, 0x40, HDMI_SYSTEM_CTRL);
}
- static void sh_hdmi_read_edid(struct sh_hdmi *hdmi)
+ static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
+ const struct fb_videomode *mode)
{
- struct fb_var_screeninfo *var = &hdmi->var;
- struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
- struct fb_videomode *lcd_cfg = &pdata->lcd_chan->lcd_cfg;
- unsigned long height = var->height, width = var->width;
- int i;
+ long target = PICOS2KHZ(mode->pixclock) * 1000,
+ rate = clk_round_rate(hdmi->hdmi_clk, target);
+ unsigned long rate_error = rate > 0 ? abs(rate - target) : ULONG_MAX;
+
+ dev_dbg(hdmi->dev, "%u-%u-%u-%u x %u-%u-%u-%u\n",
+ mode->left_margin, mode->xres,
+ mode->right_margin, mode->hsync_len,
+ mode->upper_margin, mode->yres,
+ mode->lower_margin, mode->vsync_len);
+
+ dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz\n", target,
+ rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
+ mode->refresh);
+
+ return rate_error;
+ }
+
+ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
+ {
+ struct fb_var_screeninfo tmpvar;
+ struct fb_var_screeninfo *var = &tmpvar;
+ const struct fb_videomode *mode, *found = NULL;
+ struct fb_info *info = hdmi->info;
+ struct fb_modelist *modelist = NULL;
+ unsigned int f_width = 0, f_height = 0, f_refresh = 0;
+ unsigned long found_rate_error = ULONG_MAX; /* silly compiler... */
+ bool exact_match = false;
u8 edid[128];
+ char *forced;
+ int i;
/* Read EDID */
- pr_debug("Read back EDID code:");
+ dev_dbg(hdmi->dev, "Read back EDID code:");
for (i = 0; i < 128; i++) {
edid[i] = hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW);
#ifdef DEBUG
#ifdef DEBUG
printk(KERN_CONT "\n");
#endif
- fb_parse_edid(edid, var);
- pr_debug("%u-%u-%u-%u x %u-%u-%u-%u @ %lu kHz monitor detected\n",
- var->left_margin, var->xres, var->right_margin, var->hsync_len,
- var->upper_margin, var->yres, var->lower_margin, var->vsync_len,
- PICOS2KHZ(var->pixclock));
-
- /* FIXME: Use user-provided configuration instead of EDID */
- var->width = width;
- var->xres = lcd_cfg->xres;
- var->xres_virtual = lcd_cfg->xres;
- var->left_margin = lcd_cfg->left_margin;
- var->right_margin = lcd_cfg->right_margin;
- var->hsync_len = lcd_cfg->hsync_len;
- var->height = height;
- var->yres = lcd_cfg->yres;
- var->yres_virtual = lcd_cfg->yres * 2;
- var->upper_margin = lcd_cfg->upper_margin;
- var->lower_margin = lcd_cfg->lower_margin;
- var->vsync_len = lcd_cfg->vsync_len;
- var->sync = lcd_cfg->sync;
- var->pixclock = lcd_cfg->pixclock;
-
- hdmi_external_video_param(hdmi);
+
+ fb_edid_to_monspecs(edid, &hdmi->monspec);
+
+ fb_get_options("sh_mobile_lcdc", &forced);
+ if (forced && *forced) {
+ /* Only primitive parsing so far */
+ i = sscanf(forced, "%ux%u@%u",
+ &f_width, &f_height, &f_refresh);
+ if (i < 2) {
+ f_width = 0;
+ f_height = 0;
+ }
+ dev_dbg(hdmi->dev, "Forced mode %ux%u@%uHz\n",
+ f_width, f_height, f_refresh);
+ }
+
+ /* Walk monitor modes to find the best or the exact match */
+ for (i = 0, mode = hdmi->monspec.modedb;
+ f_width && f_height && i < hdmi->monspec.modedb_len && !exact_match;
+ i++, mode++) {
+ unsigned long rate_error = sh_hdmi_rate_error(hdmi, mode);
+
+ /* No interest in unmatching modes */
+ if (f_width != mode->xres || f_height != mode->yres)
+ continue;
+ if (f_refresh == mode->refresh || (!f_refresh && !rate_error))
+ /*
+ * Exact match if either the refresh rate matches or it
+ * hasn't been specified and we've found a mode, for
+ * which we can configure the clock precisely
+ */
+ exact_match = true;
+ else if (found && found_rate_error <= rate_error)
+ /*
+ * We otherwise search for the closest matching clock
+ * rate - either if no refresh rate has been specified
+ * or we cannot find an exactly matching one
+ */
+ continue;
+
+ /* Check if supported: sufficient fb memory, supported clock-rate */
+ fb_videomode_to_var(var, mode);
+
+ if (info && info->fbops->fb_check_var &&
+ info->fbops->fb_check_var(var, info)) {
+ exact_match = false;
+ continue;
+ }
+
+ found = mode;
+ found_rate_error = rate_error;
+ }
+
+ /*
+ * TODO 1: if no ->info is present, postpone running the config until
+ * after ->info first gets registered.
+ * TODO 2: consider registering the HDMI platform device from the LCDC
+ * driver, and passing ->info with HDMI platform data.
+ */
+ if (info && !found) {
+ modelist = hdmi->info->modelist.next &&
+ !list_empty(&hdmi->info->modelist) ?
+ list_entry(hdmi->info->modelist.next,
+ struct fb_modelist, list) :
+ NULL;
+
+ if (modelist) {
+ found = &modelist->mode;
+ found_rate_error = sh_hdmi_rate_error(hdmi, found);
+ }
+ }
+
+ /* No cookie today */
+ if (!found)
+ return -ENXIO;
+
+ dev_info(hdmi->dev, "Using %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
+ modelist ? "default" : "EDID", found->xres, found->yres,
+ found->refresh, PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
+
+ if ((found->xres == 720 && found->yres == 480) ||
+ (found->xres == 1280 && found->yres == 720) ||
+ (found->xres == 1920 && found->yres == 1080))
+ hdmi->preprogrammed_mode = true;
+ else
+ hdmi->preprogrammed_mode = false;
+
+ fb_videomode_to_var(&hdmi->var, found);
+ sh_hdmi_external_video_param(hdmi);
+
+ return 0;
}
static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id)
hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_2);
if (printk_ratelimit())
- pr_debug("IRQ #%d: Status #1: 0x%x & 0x%x, #2: 0x%x & 0x%x\n",
- irq, status1, mask1, status2, mask2);
+ dev_dbg(hdmi->dev, "IRQ #%d: Status #1: 0x%x & 0x%x, #2: 0x%x & 0x%x\n",
+ irq, status1, mask1, status2, mask2);
if (!((status1 & mask1) | (status2 & mask2))) {
return IRQ_NONE;
udelay(500);
msens = hdmi_read(hdmi, HDMI_HOT_PLUG_MSENS_STATUS);
- pr_debug("MSENS 0x%x\n", msens);
+ dev_dbg(hdmi->dev, "MSENS 0x%x\n", msens);
/* Check, if hot plug & MSENS pin status are both high */
if ((msens & 0xC0) == 0xC0) {
/* Display plug in */
return IRQ_HANDLED;
}
- static void hdmi_display_on(void *arg, struct fb_info *info)
+ /* locking: called with info->lock held, or before register_framebuffer() */
+ static void sh_hdmi_display_on(void *arg, struct fb_info *info)
{
+ /*
+ * info is guaranteed to be valid, when we are called, because our
+ * FB_EVENT_FB_UNBIND notify is also called with info->lock held
+ */
struct sh_hdmi *hdmi = arg;
struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+ struct sh_mobile_lcdc_chan *ch = info->par;
- if (info->var.xres != 1280 || info->var.yres != 720) {
- dev_warn(info->device, "Unsupported framebuffer geometry %ux%u\n",
- info->var.xres, info->var.yres);
- return;
- }
+ dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__,
+ pdata->lcd_dev, info->state);
+
+ /* No need to lock */
+ hdmi->info = info;
- pr_debug("%s(%p): state %x\n", __func__, pdata->lcd_dev, info->state);
/*
- * FIXME: not a good place to store fb_info. And we cannot nullify it
- * even on monitor disconnect. What should the lifecycle be?
+ * hp_state can be set to
+ * HDMI_HOTPLUG_DISCONNECTED: on monitor unplug
+ * HDMI_HOTPLUG_CONNECTED: on monitor plug-in
+ * HDMI_HOTPLUG_EDID_DONE: on EDID read completion
*/
- hdmi->info = info;
switch (hdmi->hp_state) {
case HDMI_HOTPLUG_EDID_DONE:
/* PS mode d->e. All functions are active */
hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL);
- pr_debug("HDMI running\n");
+ dev_dbg(hdmi->dev, "HDMI running\n");
break;
case HDMI_HOTPLUG_DISCONNECTED:
info->state = FBINFO_STATE_SUSPENDED;
default:
- hdmi->var = info->var;
+ hdmi->var = ch->display_var;
}
}
- static void hdmi_display_off(void *arg)
+ /* locking: called with info->lock held */
+ static void sh_hdmi_display_off(void *arg)
{
struct sh_hdmi *hdmi = arg;
struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
- pr_debug("%s(%p)\n", __func__, pdata->lcd_dev);
+ dev_dbg(hdmi->dev, "%s(%p)\n", __func__, pdata->lcd_dev);
/* PS mode e->a */
hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL);
}
+ static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi)
+ {
+ struct fb_info *info = hdmi->info;
+ struct sh_mobile_lcdc_chan *ch = info->par;
+ struct fb_var_screeninfo *new_var = &hdmi->var, *old_var = &ch->display_var;
+ struct fb_videomode mode1, mode2;
+
+ fb_var_to_videomode(&mode1, old_var);
+ fb_var_to_videomode(&mode2, new_var);
+
+ dev_dbg(info->dev, "Old %ux%u, new %ux%u\n",
+ mode1.xres, mode1.yres, mode2.xres, mode2.yres);
+
+ if (fb_mode_is_equal(&mode1, &mode2))
+ return false;
+
+ dev_dbg(info->dev, "Switching %u -> %u lines\n",
+ mode1.yres, mode2.yres);
+ *old_var = *new_var;
+
+ return true;
+ }
+
+ /**
+ * sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock
+ * @hdmi: driver context
+ * @pixclock: pixel clock period in picoseconds
+ * return: configured positive rate if successful
+ * 0 if couldn't set the rate, but managed to enable the clock
+ * negative error, if couldn't enable the clock
+ */
+ static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long pixclock)
+ {
+ long rate;
+ int ret;
+
+ rate = PICOS2KHZ(pixclock) * 1000;
+ rate = clk_round_rate(hdmi->hdmi_clk, rate);
+ if (rate > 0) {
+ ret = clk_set_rate(hdmi->hdmi_clk, rate);
+ if (ret < 0) {
+ dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", rate, ret);
+ rate = 0;
+ } else {
+ dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", rate);
+ }
+ } else {
+ rate = 0;
+ dev_warn(hdmi->dev, "Cannot get suitable rate: %ld\n", rate);
+ }
+
+ ret = clk_enable(hdmi->hdmi_clk);
+ if (ret < 0) {
+ dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
+ return ret;
+ }
+
+ return rate;
+ }
+
/* Hotplug interrupt occurred, read EDID */
- static void edid_work_fn(struct work_struct *work)
+ static void sh_hdmi_edid_work_fn(struct work_struct *work)
{
struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work);
struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+ struct sh_mobile_lcdc_chan *ch;
+ int ret;
- pr_debug("%s(%p): begin, hotplug status %d\n", __func__,
- pdata->lcd_dev, hdmi->hp_state);
+ dev_dbg(hdmi->dev, "%s(%p): begin, hotplug status %d\n", __func__,
+ pdata->lcd_dev, hdmi->hp_state);
if (!pdata->lcd_dev)
return;
+ mutex_lock(&hdmi->mutex);
+
if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
- pm_runtime_get_sync(hdmi->dev);
/* A device has been plugged in */
- sh_hdmi_read_edid(hdmi);
+ pm_runtime_get_sync(hdmi->dev);
+
+ ret = sh_hdmi_read_edid(hdmi);
+ if (ret < 0)
+ goto out;
+
+ /* Reconfigure the clock */
+ clk_disable(hdmi->hdmi_clk);
+ ret = sh_hdmi_clk_configure(hdmi, hdmi->var.pixclock);
+ if (ret < 0)
+ goto out;
+
msleep(10);
sh_hdmi_configure(hdmi);
/* Switched to another (d) power-save mode */
msleep(10);
if (!hdmi->info)
- return;
+ goto out;
+
+ ch = hdmi->info->par;
acquire_console_sem();
/* HDMI plug in */
- hdmi->info->var = hdmi->var;
- if (hdmi->info->state != FBINFO_STATE_RUNNING)
+ if (!sh_hdmi_must_reconfigure(hdmi) &&
+ hdmi->info->state == FBINFO_STATE_RUNNING) {
+ /*
+ * First activation with the default monitor - just turn
+ * on, if we run a resume here, the logo disappears
+ */
+ if (lock_fb_info(hdmi->info)) {
+ sh_hdmi_display_on(hdmi, hdmi->info);
+ unlock_fb_info(hdmi->info);
+ }
+ } else {
+ /* New monitor or have to wake up */
fb_set_suspend(hdmi->info, 0);
- else
- hdmi_display_on(hdmi, hdmi->info);
+ }
release_console_sem();
} else {
+ ret = 0;
if (!hdmi->info)
- return;
+ goto out;
acquire_console_sem();
release_console_sem();
pm_runtime_put(hdmi->dev);
+ fb_destroy_modedb(hdmi->monspec.modedb);
}
- pr_debug("%s(%p): end\n", __func__, pdata->lcd_dev);
+ out:
+ if (ret < 0)
+ hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
+ mutex_unlock(&hdmi->mutex);
+
+ dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, pdata->lcd_dev);
+ }
+
+ static int sh_hdmi_notify(struct notifier_block *nb,
+ unsigned long action, void *data);
+
+ static struct notifier_block sh_hdmi_notifier = {
+ .notifier_call = sh_hdmi_notify,
+ };
+
+ static int sh_hdmi_notify(struct notifier_block *nb,
+ unsigned long action, void *data)
+ {
+ struct fb_event *event = data;
+ struct fb_info *info = event->info;
+ struct sh_mobile_lcdc_chan *ch = info->par;
+ struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
+ struct sh_hdmi *hdmi = board_cfg->board_data;
+
+ if (nb != &sh_hdmi_notifier || !hdmi || hdmi->info != info)
+ return NOTIFY_DONE;
+
+ switch(action) {
+ case FB_EVENT_FB_REGISTERED:
+ /* Unneeded, activation taken care by sh_hdmi_display_on() */
+ break;
+ case FB_EVENT_FB_UNREGISTERED:
+ /*
+ * We are called from unregister_framebuffer() with the
+ * info->lock held. This is bad for us, because we can race with
+ * the scheduled work, which has to call fb_set_suspend(), which
+ * takes info->lock internally, so, sh_hdmi_edid_work_fn()
+ * cannot take and hold info->lock for the whole function
+ * duration. Using an additional lock creates a classical AB-BA
+ * lock up. Therefore, we have to release the info->lock
+ * temporarily, synchronise with the work queue and re-acquire
+ * the info->lock.
+ */
+ unlock_fb_info(hdmi->info);
+ mutex_lock(&hdmi->mutex);
+ hdmi->info = NULL;
+ mutex_unlock(&hdmi->mutex);
+ lock_fb_info(hdmi->info);
+ return NOTIFY_OK;
+ }
+ return NOTIFY_DONE;
}
static int __init sh_hdmi_probe(struct platform_device *pdev)
{
struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct sh_mobile_lcdc_board_cfg *board_cfg;
int irq = platform_get_irq(pdev, 0), ret;
struct sh_hdmi *hdmi;
long rate;
return -ENOMEM;
}
- ret = snd_soc_register_codec(&pdev->dev,
- &soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1);
- if (ret < 0)
- goto esndreg;
+ mutex_init(&hdmi->mutex);
+
hdmi->dev = &pdev->dev;
hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
goto egetclk;
}
- rate = PICOS2KHZ(pdata->lcd_chan->lcd_cfg.pixclock) * 1000;
-
- rate = clk_round_rate(hdmi->hdmi_clk, rate);
+ /* Some arbitrary relaxed pixclock just to get things started */
+ rate = sh_hdmi_clk_configure(hdmi, 37037);
if (rate < 0) {
ret = rate;
- dev_err(&pdev->dev, "Cannot get suitable rate: %ld\n", rate);
goto erate;
}
- ret = clk_set_rate(hdmi->hdmi_clk, rate);
- if (ret < 0) {
- dev_err(&pdev->dev, "Cannot set rate %ld: %d\n", rate, ret);
- goto erate;
- }
-
- pr_debug("HDMI set frequency %lu\n", rate);
-
- ret = clk_enable(hdmi->hdmi_clk);
- if (ret < 0) {
- dev_err(&pdev->dev, "Cannot enable clock: %d\n", ret);
- goto eclkenable;
- }
-
- dev_info(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
+ dev_dbg(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
dev_err(&pdev->dev, "HDMI register region already claimed\n");
platform_set_drvdata(pdev, hdmi);
- #if 1
/* Product and revision IDs are 0 in sh-mobile version */
dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
- #endif
/* Set up LCDC callbacks */
- pdata->lcd_chan->board_cfg.board_data = hdmi;
- pdata->lcd_chan->board_cfg.display_on = hdmi_display_on;
- pdata->lcd_chan->board_cfg.display_off = hdmi_display_off;
+ board_cfg = &pdata->lcd_chan->board_cfg;
+ board_cfg->owner = THIS_MODULE;
+ board_cfg->board_data = hdmi;
+ board_cfg->display_on = sh_hdmi_display_on;
+ board_cfg->display_off = sh_hdmi_display_off;
- INIT_DELAYED_WORK(&hdmi->edid_work, edid_work_fn);
+ INIT_DELAYED_WORK(&hdmi->edid_work, sh_hdmi_edid_work_fn);
pm_runtime_enable(&pdev->dev);
pm_runtime_resume(&pdev->dev);
goto ereqirq;
}
++ ret = snd_soc_register_codec(&pdev->dev,
++ &soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1);
++ if (ret < 0) {
++ dev_err(&pdev->dev, "codec registration failed\n");
++ goto ecodec;
++ }
++
return 0;
++ecodec:
++ free_irq(irq, hdmi);
ereqirq:
pm_runtime_disable(&pdev->dev);
iounmap(hdmi->base);
release_mem_region(res->start, resource_size(res));
ereqreg:
clk_disable(hdmi->hdmi_clk);
- eclkenable:
erate:
clk_put(hdmi->hdmi_clk);
egetclk:
- snd_soc_unregister_codec(&pdev->dev);
- esndreg:
+ mutex_destroy(&hdmi->mutex);
kfree(hdmi);
return ret;
struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
struct sh_hdmi *hdmi = platform_get_drvdata(pdev);
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct sh_mobile_lcdc_board_cfg *board_cfg = &pdata->lcd_chan->board_cfg;
int irq = platform_get_irq(pdev, 0);
- pdata->lcd_chan->board_cfg.display_on = NULL;
- pdata->lcd_chan->board_cfg.display_off = NULL;
- pdata->lcd_chan->board_cfg.board_data = NULL;
+ snd_soc_unregister_codec(&pdev->dev);
+
+ board_cfg->display_on = NULL;
+ board_cfg->display_off = NULL;
+ board_cfg->board_data = NULL;
+ board_cfg->owner = NULL;
+ /* No new work will be scheduled, wait for running ISR */
free_irq(irq, hdmi);
- pm_runtime_disable(&pdev->dev);
+ /* Wait for already scheduled work */
cancel_delayed_work_sync(&hdmi->edid_work);
+ pm_runtime_disable(&pdev->dev);
clk_disable(hdmi->hdmi_clk);
clk_put(hdmi->hdmi_clk);
iounmap(hdmi->base);
release_mem_region(res->start, resource_size(res));
+ mutex_destroy(&hdmi->mutex);
kfree(hdmi);
return 0;
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/mm.h>
- #include <linux/fb.h>
#include <linux/clk.h>
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include <linux/vmalloc.h>
#include <linux/ioctl.h>
#include <linux/slab.h>
+ #include <linux/console.h>
#include <video/sh_mobile_lcdc.h>
#include <asm/atomic.h>
- #define PALETTE_NR 16
+ #include "sh_mobile_lcdcfb.h"
+
#define SIDE_B_OFFSET 0x1000
#define MIRROR_OFFSET 0x2000
};
#define NR_SHARED_REGS ARRAY_SIZE(lcdc_shared_regs)
- /* per-channel registers */
- enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
- LDSM2R, LDSA1R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
- LDHAJR,
- NR_CH_REGS };
+ #define DEFAULT_XRES 1280
+ #define DEFAULT_YRES 1024
static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
[LDDCKPAT1R] = 0x400,
#define LDRCNTR_MRC 0x00000001
#define LDSR_MRS 0x00000100
- struct sh_mobile_lcdc_priv;
- struct sh_mobile_lcdc_chan {
- struct sh_mobile_lcdc_priv *lcdc;
- unsigned long *reg_offs;
- unsigned long ldmt1r_value;
- unsigned long enabled; /* ME and SE in LDCNT2R */
- struct sh_mobile_lcdc_chan_cfg cfg;
- u32 pseudo_palette[PALETTE_NR];
- unsigned long saved_ch_regs[NR_CH_REGS];
- struct fb_info *info;
- dma_addr_t dma_handle;
- struct fb_deferred_io defio;
- struct scatterlist *sglist;
- unsigned long frame_end;
- unsigned long pan_offset;
- wait_queue_head_t frame_end_wait;
- struct completion vsync_completion;
+ static const struct fb_videomode default_720p = {
+ .name = "HDMI 720p",
+ .xres = 1280,
+ .yres = 720,
+
+ .left_margin = 200,
+ .right_margin = 88,
+ .hsync_len = 48,
+
+ .upper_margin = 20,
+ .lower_margin = 5,
+ .vsync_len = 5,
+
+ .pixclock = 13468,
+ .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
};
struct sh_mobile_lcdc_priv {
static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
{
- struct fb_var_screeninfo *var = &ch->info->var;
- unsigned long h_total, hsync_pos;
+ struct fb_var_screeninfo *var = &ch->info->var, *display_var = &ch->display_var;
+ unsigned long h_total, hsync_pos, display_h_total;
u32 tmp;
tmp = ch->ldmt1r_value;
lcdc_write_chan(ch, LDMT3R, ch->cfg.sys_bus_cfg.ldmt3r);
/* horizontal configuration */
- h_total = var->xres + var->hsync_len +
- var->left_margin + var->right_margin;
+ h_total = display_var->xres + display_var->hsync_len +
+ display_var->left_margin + display_var->right_margin;
tmp = h_total / 8; /* HTCN */
- tmp |= (var->xres / 8) << 16; /* HDCN */
+ tmp |= (min(display_var->xres, var->xres) / 8) << 16; /* HDCN */
lcdc_write_chan(ch, LDHCNR, tmp);
- hsync_pos = var->xres + var->right_margin;
+ hsync_pos = display_var->xres + display_var->right_margin;
tmp = hsync_pos / 8; /* HSYNP */
- tmp |= (var->hsync_len / 8) << 16; /* HSYNW */
+ tmp |= (display_var->hsync_len / 8) << 16; /* HSYNW */
lcdc_write_chan(ch, LDHSYNR, tmp);
/* vertical configuration */
- tmp = var->yres + var->vsync_len +
- var->upper_margin + var->lower_margin; /* VTLN */
- tmp |= var->yres << 16; /* VDLN */
+ tmp = display_var->yres + display_var->vsync_len +
+ display_var->upper_margin + display_var->lower_margin; /* VTLN */
+ tmp |= min(display_var->yres, var->yres) << 16; /* VDLN */
lcdc_write_chan(ch, LDVLNR, tmp);
- tmp = var->yres + var->lower_margin; /* VSYNP */
- tmp |= var->vsync_len << 16; /* VSYNW */
+ tmp = display_var->yres + display_var->lower_margin; /* VSYNP */
+ tmp |= display_var->vsync_len << 16; /* VSYNW */
lcdc_write_chan(ch, LDVSYNR, tmp);
/* Adjust horizontal synchronisation for HDMI */
- tmp = ((var->xres & 7) << 24) |
- ((h_total & 7) << 16) |
- ((var->hsync_len & 7) << 8) |
+ display_h_total = display_var->xres + display_var->hsync_len +
+ display_var->left_margin + display_var->right_margin;
+ tmp = ((display_var->xres & 7) << 24) |
+ ((display_h_total & 7) << 16) |
+ ((display_var->hsync_len & 7) << 8) |
hsync_pos;
lcdc_write_chan(ch, LDHAJR, tmp);
}
static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
{
struct sh_mobile_lcdc_chan *ch;
- struct fb_videomode *lcd_cfg;
struct sh_mobile_lcdc_board_cfg *board_cfg;
unsigned long tmp;
int k, m;
m = 1 << 6;
tmp |= m << (lcdc_chan_is_sublcd(ch) ? 8 : 0);
- lcdc_write_chan(ch, LDDCKPAT1R, 0x00000000);
+ /* FIXME: sh7724 can only use 42, 48, 54 and 60 for the divider denominator */
+ lcdc_write_chan(ch, LDDCKPAT1R, 0);
lcdc_write_chan(ch, LDDCKPAT2R, (1 << (m/2)) - 1);
}
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
ch = &priv->ch[k];
- lcd_cfg = &ch->cfg.lcd_cfg;
if (!ch->enabled)
continue;
/* set bpp format in PKF[4:0] */
tmp = lcdc_read_chan(ch, LDDFR);
- tmp &= ~(0x0001001f);
+ tmp &= ~0x0001001f;
tmp |= (ch->info->var.bits_per_pixel == 16) ? 3 : 0;
lcdc_write_chan(ch, LDDFR, tmp);
continue;
board_cfg = &ch->cfg.board_cfg;
- if (board_cfg->display_on)
+ if (try_module_get(board_cfg->owner) && board_cfg->display_on) {
board_cfg->display_on(board_cfg->board_data, ch->info);
+ module_put(board_cfg->owner);
+ }
}
return 0;
* flush frame, and wait for frame end interrupt
* clean up deferred io and enable clock
*/
- if (ch->info->fbdefio) {
+ if (ch->info && ch->info->fbdefio) {
ch->frame_end = 0;
schedule_delayed_work(&ch->info->deferred_work, 0);
wait_event(ch->frame_end_wait, ch->frame_end);
}
board_cfg = &ch->cfg.board_cfg;
- if (board_cfg->display_off)
+ if (try_module_get(board_cfg->owner) && board_cfg->display_off) {
board_cfg->display_off(board_cfg->board_data);
+ module_put(board_cfg->owner);
+ }
}
/* stop the lcdc */
return PTR_ERR(priv->dot_clk);
}
}
- atomic_set(&priv->hw_usecnt, -1);
/* Runtime PM support involves two step for this driver:
* 1) Enable Runtime PM
return retval;
}
+ static void sh_mobile_fb_reconfig(struct fb_info *info)
+ {
+ struct sh_mobile_lcdc_chan *ch = info->par;
+ struct fb_videomode mode1, mode2;
+ struct fb_event event;
+ int evnt = FB_EVENT_MODE_CHANGE_ALL;
+
+ if (ch->use_count > 1 || (ch->use_count == 1 && !info->fbcon_par))
+ /* More framebuffer users are active */
+ return;
+
+ fb_var_to_videomode(&mode1, &ch->display_var);
+ fb_var_to_videomode(&mode2, &info->var);
+
+ if (fb_mode_is_equal(&mode1, &mode2))
+ return;
+
+ /* Display has been re-plugged, framebuffer is free now, reconfigure */
+ if (fb_set_var(info, &ch->display_var) < 0)
+ /* Couldn't reconfigure, hopefully, can continue as before */
+ return;
+
+ info->fix.line_length = mode2.xres * (ch->cfg.bpp / 8);
+
+ /*
+ * fb_set_var() calls the notifier change internally, only if
+ * FBINFO_MISC_USEREVENT flag is set. Since we do not want to fake a
+ * user event, we have to call the chain ourselves.
+ */
+ event.info = info;
+ event.data = &mode2;
+ fb_notifier_call_chain(evnt, &event);
+ }
+
+ /*
+ * Locking: both .fb_release() and .fb_open() are called with info->lock held if
+ * user == 1, or with console sem held, if user == 0.
+ */
+ static int sh_mobile_release(struct fb_info *info, int user)
+ {
+ struct sh_mobile_lcdc_chan *ch = info->par;
+
+ mutex_lock(&ch->open_lock);
+ dev_dbg(info->dev, "%s(): %d users\n", __func__, ch->use_count);
+
+ ch->use_count--;
+
+ /* Nothing to reconfigure, when called from fbcon */
+ if (user) {
+ acquire_console_sem();
+ sh_mobile_fb_reconfig(info);
+ release_console_sem();
+ }
+
+ mutex_unlock(&ch->open_lock);
+
+ return 0;
+ }
+
+ static int sh_mobile_open(struct fb_info *info, int user)
+ {
+ struct sh_mobile_lcdc_chan *ch = info->par;
+
+ mutex_lock(&ch->open_lock);
+ ch->use_count++;
+
+ dev_dbg(info->dev, "%s(): %d users\n", __func__, ch->use_count);
+ mutex_unlock(&ch->open_lock);
+
+ return 0;
+ }
+
+ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+ {
+ struct sh_mobile_lcdc_chan *ch = info->par;
+
+ if (var->xres < 160 || var->xres > 1920 ||
+ var->yres < 120 || var->yres > 1080 ||
+ var->left_margin < 32 || var->left_margin > 320 ||
+ var->right_margin < 12 || var->right_margin > 240 ||
+ var->upper_margin < 12 || var->upper_margin > 120 ||
+ var->lower_margin < 1 || var->lower_margin > 64 ||
+ var->hsync_len < 32 || var->hsync_len > 240 ||
+ var->vsync_len < 2 || var->vsync_len > 64 ||
+ var->pixclock < 6000 || var->pixclock > 40000 ||
+ var->xres * var->yres * (ch->cfg.bpp / 8) * 2 > info->fix.smem_len) {
+ dev_warn(info->dev, "Invalid info: %u %u %u %u %u %u %u %u %u!\n",
+ var->xres, var->yres,
+ var->left_margin, var->right_margin,
+ var->upper_margin, var->lower_margin,
+ var->hsync_len, var->vsync_len,
+ var->pixclock);
+ return -EINVAL;
+ }
+ return 0;
+ }
static struct fb_ops sh_mobile_lcdc_ops = {
.owner = THIS_MODULE,
.fb_imageblit = sh_mobile_lcdc_imageblit,
.fb_pan_display = sh_mobile_fb_pan_display,
.fb_ioctl = sh_mobile_ioctl,
+ .fb_open = sh_mobile_open,
+ .fb_release = sh_mobile_release,
+ .fb_check_var = sh_mobile_check_var,
};
static int sh_mobile_lcdc_set_bpp(struct fb_var_screeninfo *var, int bpp)
.runtime_resume = sh_mobile_lcdc_runtime_resume,
};
+ /* locking: called with info->lock held */
static int sh_mobile_lcdc_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct fb_info *info = event->info;
struct sh_mobile_lcdc_chan *ch = info->par;
struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
- struct fb_var_screeninfo *var;
+ int ret;
if (&ch->lcdc->notifier != nb)
- return 0;
+ return NOTIFY_DONE;
dev_dbg(info->dev, "%s(): action = %lu, data = %p\n",
__func__, action, event->data);
switch(action) {
case FB_EVENT_SUSPEND:
- if (board_cfg->display_off)
+ if (try_module_get(board_cfg->owner) && board_cfg->display_off) {
board_cfg->display_off(board_cfg->board_data);
+ module_put(board_cfg->owner);
+ }
pm_runtime_put(info->device);
+ sh_mobile_lcdc_stop(ch->lcdc);
break;
case FB_EVENT_RESUME:
- var = &info->var;
+ mutex_lock(&ch->open_lock);
+ sh_mobile_fb_reconfig(info);
+ mutex_unlock(&ch->open_lock);
/* HDMI must be enabled before LCDC configuration */
- if (board_cfg->display_on)
- board_cfg->display_on(board_cfg->board_data, ch->info);
-
- /* Check if the new display is not in our modelist */
- if (ch->info->modelist.next &&
- !fb_match_mode(var, &ch->info->modelist)) {
- struct fb_videomode mode;
- int ret;
-
- /* Can we handle this display? */
- if (var->xres > ch->cfg.lcd_cfg.xres ||
- var->yres > ch->cfg.lcd_cfg.yres)
- return -ENOMEM;
-
- /* Add to the modelist */
- fb_var_to_videomode(&mode, var);
- ret = fb_add_videomode(&mode, &ch->info->modelist);
- if (ret < 0)
- return ret;
+ if (try_module_get(board_cfg->owner) && board_cfg->display_on) {
+ board_cfg->display_on(board_cfg->board_data, info);
+ module_put(board_cfg->owner);
}
- pm_runtime_get_sync(info->device);
-
- sh_mobile_lcdc_geometry(ch);
-
- break;
+ ret = sh_mobile_lcdc_start(ch->lcdc);
+ if (!ret)
+ pm_runtime_get_sync(info->device);
}
- return 0;
+ return NOTIFY_OK;
}
static int sh_mobile_lcdc_remove(struct platform_device *pdev);
{
struct fb_info *info;
struct sh_mobile_lcdc_priv *priv;
- struct sh_mobile_lcdc_info *pdata;
- struct sh_mobile_lcdc_chan_cfg *cfg;
+ struct sh_mobile_lcdc_info *pdata = pdev->dev.platform_data;
struct resource *res;
int error;
void *buf;
int i, j;
- if (!pdev->dev.platform_data) {
+ if (!pdata) {
dev_err(&pdev->dev, "no platform data defined\n");
return -EINVAL;
}
}
priv->irq = i;
- pdata = pdev->dev.platform_data;
+ atomic_set(&priv->hw_usecnt, -1);
j = 0;
for (i = 0; i < ARRAY_SIZE(pdata->ch); i++) {
- priv->ch[j].lcdc = priv;
- memcpy(&priv->ch[j].cfg, &pdata->ch[i], sizeof(pdata->ch[i]));
+ struct sh_mobile_lcdc_chan *ch = priv->ch + j;
+
+ ch->lcdc = priv;
+ memcpy(&ch->cfg, &pdata->ch[i], sizeof(pdata->ch[i]));
- error = sh_mobile_lcdc_check_interface(&priv->ch[j]);
+ error = sh_mobile_lcdc_check_interface(ch);
if (error) {
dev_err(&pdev->dev, "unsupported interface type\n");
goto err1;
}
- init_waitqueue_head(&priv->ch[j].frame_end_wait);
- init_completion(&priv->ch[j].vsync_completion);
- priv->ch[j].pan_offset = 0;
+ init_waitqueue_head(&ch->frame_end_wait);
+ init_completion(&ch->vsync_completion);
+ ch->pan_offset = 0;
switch (pdata->ch[i].chan) {
case LCDC_CHAN_MAINLCD:
- priv->ch[j].enabled = 1 << 1;
- priv->ch[j].reg_offs = lcdc_offs_mainlcd;
+ ch->enabled = 1 << 1;
+ ch->reg_offs = lcdc_offs_mainlcd;
j++;
break;
case LCDC_CHAN_SUBLCD:
- priv->ch[j].enabled = 1 << 2;
- priv->ch[j].reg_offs = lcdc_offs_sublcd;
+ ch->enabled = 1 << 2;
+ ch->reg_offs = lcdc_offs_sublcd;
j++;
break;
}
for (i = 0; i < j; i++) {
struct fb_var_screeninfo *var;
- struct fb_videomode *lcd_cfg;
- cfg = &priv->ch[i].cfg;
+ const struct fb_videomode *lcd_cfg, *max_cfg = NULL;
+ struct sh_mobile_lcdc_chan *ch = priv->ch + i;
+ struct sh_mobile_lcdc_chan_cfg *cfg = &ch->cfg;
+ const struct fb_videomode *mode = cfg->lcd_cfg;
+ unsigned long max_size = 0;
+ int k;
- priv->ch[i].info = framebuffer_alloc(0, &pdev->dev);
- if (!priv->ch[i].info) {
+ ch->info = framebuffer_alloc(0, &pdev->dev);
+ if (!ch->info) {
dev_err(&pdev->dev, "unable to allocate fb_info\n");
error = -ENOMEM;
break;
}
- info = priv->ch[i].info;
+ info = ch->info;
var = &info->var;
- lcd_cfg = &cfg->lcd_cfg;
info->fbops = &sh_mobile_lcdc_ops;
- var->xres = var->xres_virtual = lcd_cfg->xres;
- var->yres = lcd_cfg->yres;
+ info->par = ch;
+
+ mutex_init(&ch->open_lock);
+
+ for (k = 0, lcd_cfg = mode;
+ k < cfg->num_cfg && lcd_cfg;
+ k++, lcd_cfg++) {
+ unsigned long size = lcd_cfg->yres * lcd_cfg->xres;
+
+ if (size > max_size) {
+ max_cfg = lcd_cfg;
+ max_size = size;
+ }
+ }
+
+ if (!mode)
+ max_size = DEFAULT_XRES * DEFAULT_YRES;
+ else if (max_cfg)
+ dev_dbg(&pdev->dev, "Found largest videomode %ux%u\n",
+ max_cfg->xres, max_cfg->yres);
+
+ info->fix = sh_mobile_lcdc_fix;
+ info->fix.smem_len = max_size * (cfg->bpp / 8) * 2;
+
+ if (!mode)
+ mode = &default_720p;
+
+ fb_videomode_to_var(var, mode);
/* Default Y virtual resolution is 2x panel size */
var->yres_virtual = var->yres * 2;
- var->width = cfg->lcd_size_cfg.width;
- var->height = cfg->lcd_size_cfg.height;
var->activate = FB_ACTIVATE_NOW;
- var->left_margin = lcd_cfg->left_margin;
- var->right_margin = lcd_cfg->right_margin;
- var->upper_margin = lcd_cfg->upper_margin;
- var->lower_margin = lcd_cfg->lower_margin;
- var->hsync_len = lcd_cfg->hsync_len;
- var->vsync_len = lcd_cfg->vsync_len;
- var->sync = lcd_cfg->sync;
- var->pixclock = lcd_cfg->pixclock;
error = sh_mobile_lcdc_set_bpp(var, cfg->bpp);
if (error)
break;
- info->fix = sh_mobile_lcdc_fix;
- info->fix.line_length = lcd_cfg->xres * (cfg->bpp / 8);
- info->fix.smem_len = info->fix.line_length *
- var->yres_virtual;
-
buf = dma_alloc_coherent(&pdev->dev, info->fix.smem_len,
- &priv->ch[i].dma_handle, GFP_KERNEL);
+ &ch->dma_handle, GFP_KERNEL);
if (!buf) {
dev_err(&pdev->dev, "unable to allocate buffer\n");
error = -ENOMEM;
break;
}
- info->pseudo_palette = &priv->ch[i].pseudo_palette;
+ info->pseudo_palette = &ch->pseudo_palette;
info->flags = FBINFO_FLAG_DEFAULT;
error = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0);
if (error < 0) {
dev_err(&pdev->dev, "unable to allocate cmap\n");
dma_free_coherent(&pdev->dev, info->fix.smem_len,
- buf, priv->ch[i].dma_handle);
+ buf, ch->dma_handle);
break;
}
- memset(buf, 0, info->fix.smem_len);
- info->fix.smem_start = priv->ch[i].dma_handle;
+ info->fix.smem_start = ch->dma_handle;
+ info->fix.line_length = var->xres * (cfg->bpp / 8);
info->screen_base = buf;
info->device = &pdev->dev;
- info->par = &priv->ch[i];
+ ch->display_var = *var;
}
if (error)
for (i = 0; i < j; i++) {
struct sh_mobile_lcdc_chan *ch = priv->ch + i;
+ const struct fb_videomode *mode = ch->cfg.lcd_cfg;
+
+ if (!mode)
+ mode = &default_720p;
info = ch->info;
}
}
+ fb_videomode_to_modelist(mode, ch->cfg.num_cfg, &info->modelist);
error = register_framebuffer(info);
if (error < 0)
goto err1;
pdev->name,
(ch->cfg.chan == LCDC_CHAN_MAINLCD) ?
"mainlcd" : "sublcd",
- (int) ch->cfg.lcd_cfg.xres,
- (int) ch->cfg.lcd_cfg.yres,
+ info->var.xres, info->var.yres,
ch->cfg.bpp);
/* deferred io mode: disable clock to save power */
if (priv->ch[i].sglist)
vfree(priv->ch[i].sglist);
- dma_free_coherent(&pdev->dev, info->fix.smem_len,
- info->screen_base, priv->ch[i].dma_handle);
+ if (info->screen_base)
+ dma_free_coherent(&pdev->dev, info->fix.smem_len,
+ info->screen_base,
+ priv->ch[i].dma_handle);
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
git://bbs.cooldavid.org / net-next-2.6.git / commitdiff