diff options
Diffstat (limited to 'drivers/video/fbdev/bfin_adv7393fb.c')
| -rw-r--r-- | drivers/video/fbdev/bfin_adv7393fb.c | 828 |
1 files changed, 0 insertions, 828 deletions
diff --git a/drivers/video/fbdev/bfin_adv7393fb.c b/drivers/video/fbdev/bfin_adv7393fb.c deleted file mode 100644 index 542ffaddc6ab..000000000000 --- a/drivers/video/fbdev/bfin_adv7393fb.c +++ /dev/null @@ -1,828 +0,0 @@ -/* - * Frame buffer driver for ADV7393/2 video encoder - * - * Copyright 2006-2009 Analog Devices Inc. - * Licensed under the GPL-2 or late. - */ - -/* - * TODO: Remove Globals - * TODO: Code Cleanup - */ - -#define DRIVER_NAME "bfin-adv7393" - -#define pr_fmt(fmt) DRIVER_NAME ": " fmt - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/sched.h> -#include <asm/blackfin.h> -#include <asm/irq.h> -#include <asm/dma.h> -#include <linux/uaccess.h> -#include <linux/gpio.h> -#include <asm/portmux.h> - -#include <linux/dma-mapping.h> -#include <linux/proc_fs.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> - -#include "bfin_adv7393fb.h" - -static int mode = VMODE; -static int mem = VMEM; -static int nocursor = 1; - -static const unsigned short ppi_pins[] = { - P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, - P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3, - P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7, - P_PPI0_D8, P_PPI0_D9, P_PPI0_D10, P_PPI0_D11, - P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, P_PPI0_D15, - 0 -}; - -/* - * card parameters - */ - -static struct bfin_adv7393_fb_par { - /* structure holding blackfin / adv7393 parameters when - screen is blanked */ - struct { - u8 Mode; /* ntsc/pal/? */ - } vga_state; - atomic_t ref_count; -} bfin_par; - -/* --------------------------------------------------------------------- */ - -static struct fb_var_screeninfo bfin_adv7393_fb_defined = { - .xres = 720, - .yres = 480, - .xres_virtual = 720, - .yres_virtual = 480, - .bits_per_pixel = 16, - .activate = FB_ACTIVATE_TEST, - .height = -1, - .width = -1, - .left_margin = 0, - .right_margin = 0, - .upper_margin = 0, - .lower_margin = 0, - .vmode = FB_VMODE_INTERLACED, - .red = {11, 5, 0}, - .green = {5, 6, 0}, - .blue = {0, 5, 0}, - .transp = {0, 0, 0}, -}; - -static struct fb_fix_screeninfo bfin_adv7393_fb_fix = { - .id = "BFIN ADV7393", - .smem_len = 720 * 480 * 2, - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .xpanstep = 0, - .ypanstep = 0, - .line_length = 720 * 2, - .accel = FB_ACCEL_NONE -}; - -static struct fb_ops bfin_adv7393_fb_ops = { - .owner = THIS_MODULE, - .fb_open = bfin_adv7393_fb_open, - .fb_release = bfin_adv7393_fb_release, - .fb_check_var = bfin_adv7393_fb_check_var, - .fb_pan_display = bfin_adv7393_fb_pan_display, - .fb_blank = bfin_adv7393_fb_blank, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_cursor = bfin_adv7393_fb_cursor, - .fb_setcolreg = bfin_adv7393_fb_setcolreg, -}; - -static int dma_desc_list(struct adv7393fb_device *fbdev, u16 arg) -{ - if (arg == BUILD) { /* Build */ - fbdev->vb1 = l1_data_sram_zalloc(sizeof(struct dmasg)); - if (fbdev->vb1 == NULL) - goto error; - - fbdev->av1 = l1_data_sram_zalloc(sizeof(struct dmasg)); - if (fbdev->av1 == NULL) - goto error; - - fbdev->vb2 = l1_data_sram_zalloc(sizeof(struct dmasg)); - if (fbdev->vb2 == NULL) - goto error; - - fbdev->av2 = l1_data_sram_zalloc(sizeof(struct dmasg)); - if (fbdev->av2 == NULL) - goto error; - - /* Build linked DMA descriptor list */ - fbdev->vb1->next_desc_addr = fbdev->av1; - fbdev->av1->next_desc_addr = fbdev->vb2; - fbdev->vb2->next_desc_addr = fbdev->av2; - fbdev->av2->next_desc_addr = fbdev->vb1; - - /* Save list head */ - fbdev->descriptor_list_head = fbdev->av2; - - /* Vertical Blanking Field 1 */ - fbdev->vb1->start_addr = VB_DUMMY_MEMORY_SOURCE; - fbdev->vb1->cfg = DMA_CFG_VAL; - - fbdev->vb1->x_count = - fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank; - - fbdev->vb1->x_modify = 0; - fbdev->vb1->y_count = fbdev->modes[mode].vb1_lines; - fbdev->vb1->y_modify = 0; - - /* Active Video Field 1 */ - - fbdev->av1->start_addr = (unsigned long)fbdev->fb_mem; - fbdev->av1->cfg = DMA_CFG_VAL; - fbdev->av1->x_count = - fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank; - fbdev->av1->x_modify = fbdev->modes[mode].bpp / 8; - fbdev->av1->y_count = fbdev->modes[mode].a_lines; - fbdev->av1->y_modify = - (fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank + - 1) * (fbdev->modes[mode].bpp / 8); - - /* Vertical Blanking Field 2 */ - - fbdev->vb2->start_addr = VB_DUMMY_MEMORY_SOURCE; - fbdev->vb2->cfg = DMA_CFG_VAL; - fbdev->vb2->x_count = - fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank; - - fbdev->vb2->x_modify = 0; - fbdev->vb2->y_count = fbdev->modes[mode].vb2_lines; - fbdev->vb2->y_modify = 0; - - /* Active Video Field 2 */ - - fbdev->av2->start_addr = - (unsigned long)fbdev->fb_mem + fbdev->line_len; - - fbdev->av2->cfg = DMA_CFG_VAL; - - fbdev->av2->x_count = - fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank; - - fbdev->av2->x_modify = (fbdev->modes[mode].bpp / 8); - fbdev->av2->y_count = fbdev->modes[mode].a_lines; - - fbdev->av2->y_modify = - (fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank + - 1) * (fbdev->modes[mode].bpp / 8); - - return 1; - } - -error: - l1_data_sram_free(fbdev->vb1); - l1_data_sram_free(fbdev->av1); - l1_data_sram_free(fbdev->vb2); - l1_data_sram_free(fbdev->av2); - - return 0; -} - -static int bfin_config_dma(struct adv7393fb_device *fbdev) -{ - BUG_ON(!(fbdev->fb_mem)); - - set_dma_x_count(CH_PPI, fbdev->descriptor_list_head->x_count); - set_dma_x_modify(CH_PPI, fbdev->descriptor_list_head->x_modify); - set_dma_y_count(CH_PPI, fbdev->descriptor_list_head->y_count); - set_dma_y_modify(CH_PPI, fbdev->descriptor_list_head->y_modify); - set_dma_start_addr(CH_PPI, fbdev->descriptor_list_head->start_addr); - set_dma_next_desc_addr(CH_PPI, - fbdev->descriptor_list_head->next_desc_addr); - set_dma_config(CH_PPI, fbdev->descriptor_list_head->cfg); - - return 1; -} - -static void bfin_disable_dma(void) -{ - bfin_write_DMA0_CONFIG(bfin_read_DMA0_CONFIG() & ~DMAEN); -} - -static void bfin_config_ppi(struct adv7393fb_device *fbdev) -{ - if (ANOMALY_05000183) { - bfin_write_TIMER2_CONFIG(WDTH_CAP); - bfin_write_TIMER_ENABLE(TIMEN2); - } - - bfin_write_PPI_CONTROL(0x381E); - bfin_write_PPI_FRAME(fbdev->modes[mode].tot_lines); - bfin_write_PPI_COUNT(fbdev->modes[mode].xres + - fbdev->modes[mode].boeft_blank - 1); - bfin_write_PPI_DELAY(fbdev->modes[mode].aoeft_blank - 1); -} - -static void bfin_enable_ppi(void) -{ - bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN); -} - -static void bfin_disable_ppi(void) -{ - bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN); -} - -static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value) -{ - return i2c_smbus_write_byte_data(client, reg, value); -} - -static inline int adv7393_read(struct i2c_client *client, u8 reg) -{ - return i2c_smbus_read_byte_data(client, reg); -} - -static int -adv7393_write_block(struct i2c_client *client, - const u8 *data, unsigned int len) -{ - int ret = -1; - u8 reg; - - while (len >= 2) { - reg = *data++; - ret = adv7393_write(client, reg, *data++); - if (ret < 0) - break; - len -= 2; - } - - return ret; -} - -static int adv7393_mode(struct i2c_client *client, u16 mode) -{ - switch (mode) { - case POWER_ON: /* ADV7393 Sleep mode OFF */ - adv7393_write(client, 0x00, 0x1E); - break; - case POWER_DOWN: /* ADV7393 Sleep mode ON */ - adv7393_write(client, 0x00, 0x1F); - break; - case BLANK_OFF: /* Pixel Data Valid */ - adv7393_write(client, 0x82, 0xCB); - break; - case BLANK_ON: /* Pixel Data Invalid */ - adv7393_write(client, 0x82, 0x8B); - break; - default: - return -EINVAL; - break; - } - return 0; -} - -static irqreturn_t ppi_irq_error(int irq, void *dev_id) -{ - - struct adv7393fb_device *fbdev = (struct adv7393fb_device *)dev_id; - - u16 status = bfin_read_PPI_STATUS(); - - pr_debug("%s: PPI Status = 0x%X\n", __func__, status); - - if (status) { - bfin_disable_dma(); /* TODO: Check Sequence */ - bfin_disable_ppi(); - bfin_clear_PPI_STATUS(); - bfin_config_dma(fbdev); - bfin_enable_ppi(); - } - - return IRQ_HANDLED; - -} - -static int proc_output(char *buf) -{ - char *p = buf; - - p += sprintf(p, - "Usage:\n" - "echo 0x[REG][Value] > adv7393\n" - "example: echo 0x1234 >adv7393\n" - "writes 0x34 into Register 0x12\n"); - - return p - buf; -} - -static ssize_t -adv7393_read_proc(struct file *file, char __user *buf, - size_t size, loff_t *ppos) -{ - static const char message[] = "Usage:\n" - "echo 0x[REG][Value] > adv7393\n" - "example: echo 0x1234 >adv7393\n" - "writes 0x34 into Register 0x12\n"; - return simple_read_from_buffer(buf, size, ppos, message, - sizeof(message)); -} - -static ssize_t -adv7393_write_proc(struct file *file, const char __user * buffer, - size_t count, loff_t *ppos) -{ - struct adv7393fb_device *fbdev = PDE_DATA(file_inode(file)); - unsigned int val; - int ret; - - ret = kstrtouint_from_user(buffer, count, 0, &val); - if (ret) - return -EFAULT; - - adv7393_write(fbdev->client, val >> 8, val & 0xff); - - return count; -} - -static const struct file_operations fops = { - .read = adv7393_read_proc, - .write = adv7393_write_proc, - .llseek = default_llseek, -}; - -static int bfin_adv7393_fb_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int ret = 0; - struct proc_dir_entry *entry; - - struct adv7393fb_device *fbdev = NULL; - - if (mem > 2) { - dev_err(&client->dev, "mem out of allowed range [1;2]\n"); - return -EINVAL; - } - - if (mode >= ARRAY_SIZE(known_modes)) { - dev_err(&client->dev, "mode %d: not supported", mode); - return -EFAULT; - } - - fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); - if (!fbdev) { - dev_err(&client->dev, "failed to allocate device private record"); - return -ENOMEM; - } - - i2c_set_clientdata(client, fbdev); - - fbdev->modes = known_modes; - fbdev->client = client; - - fbdev->fb_len = - mem * fbdev->modes[mode].xres * fbdev->modes[mode].xres * - (fbdev->modes[mode].bpp / 8); - - fbdev->line_len = - fbdev->modes[mode].xres * (fbdev->modes[mode].bpp / 8); - - /* Workaround "PPI Does Not Start Properly In Specific Mode" */ - if (ANOMALY_05000400) { - ret = gpio_request_one(P_IDENT(P_PPI0_FS3), GPIOF_OUT_INIT_LOW, - "PPI0_FS3"); - if (ret) { - dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n"); - ret = -EBUSY; - goto free_fbdev; - } - } - - if (peripheral_request_list(ppi_pins, DRIVER_NAME)) { - dev_err(&client->dev, "requesting PPI peripheral failed\n"); - ret = -EFAULT; - goto free_gpio; - } - - fbdev->fb_mem = - dma_alloc_coherent(NULL, fbdev->fb_len, &fbdev->dma_handle, - GFP_KERNEL); - - if (NULL == fbdev->fb_mem) { - dev_err(&client->dev, "couldn't allocate dma buffer (%d bytes)\n", - (u32) fbdev->fb_len); - ret = -ENOMEM; - goto free_ppi_pins; - } - - fbdev->info.screen_base = (void *)fbdev->fb_mem; - bfin_adv7393_fb_fix.smem_start = (int)fbdev->fb_mem; - - bfin_adv7393_fb_fix.smem_len = fbdev->fb_len; - bfin_adv7393_fb_fix.line_length = fbdev->line_len; - - if (mem > 1) - bfin_adv7393_fb_fix.ypanstep = 1; - - bfin_adv7393_fb_defined.red.length = 5; - bfin_adv7393_fb_defined.green.length = 6; - bfin_adv7393_fb_defined.blue.length = 5; - - bfin_adv7393_fb_defined.xres = fbdev->modes[mode].xres; - bfin_adv7393_fb_defined.yres = fbdev->modes[mode].yres; - bfin_adv7393_fb_defined.xres_virtual = fbdev->modes[mode].xres; - bfin_adv7393_fb_defined.yres_virtual = mem * fbdev->modes[mode].yres; - bfin_adv7393_fb_defined.bits_per_pixel = fbdev->modes[mode].bpp; - - fbdev->info.fbops = &bfin_adv7393_fb_ops; - fbdev->info.var = bfin_adv7393_fb_defined; - fbdev->info.fix = bfin_adv7393_fb_fix; - fbdev->info.par = &bfin_par; - fbdev->info.flags = FBINFO_DEFAULT; - - fbdev->info.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL); - if (!fbdev->info.pseudo_palette) { - dev_err(&client->dev, "failed to allocate pseudo_palette\n"); - ret = -ENOMEM; - goto free_fb_mem; - } - - if (fb_alloc_cmap(&fbdev->info.cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { - dev_err(&client->dev, "failed to allocate colormap (%d entries)\n", - BFIN_LCD_NBR_PALETTE_ENTRIES); - ret = -EFAULT; - goto free_palette; - } - - if (request_dma(CH_PPI, "BF5xx_PPI_DMA") < 0) { - dev_err(&client->dev, "unable to request PPI DMA\n"); - ret = -EFAULT; - goto free_cmap; - } - - if (request_irq(IRQ_PPI_ERROR, ppi_irq_error, 0, - "PPI ERROR", fbdev) < 0) { - dev_err(&client->dev, "unable to request PPI ERROR IRQ\n"); - ret = -EFAULT; - goto free_ch_ppi; - } - - fbdev->open = 0; - - ret = adv7393_write_block(client, fbdev->modes[mode].adv7393_i2c_initd, - fbdev->modes[mode].adv7393_i2c_initd_len); - - if (ret) { - dev_err(&client->dev, "i2c attach: init error\n"); - goto free_irq_ppi; - } - - - if (register_framebuffer(&fbdev->info) < 0) { - dev_err(&client->dev, "unable to register framebuffer\n"); - ret = -EFAULT; - goto free_irq_ppi; - } - - dev_info(&client->dev, "fb%d: %s frame buffer device\n", - fbdev->info.node, fbdev->info.fix.id); - dev_info(&client->dev, "fb memory address : 0x%p\n", fbdev->fb_mem); - - entry = proc_create_data("driver/adv7393", 0, NULL, &fops, fbdev); - if (!entry) { - dev_err(&client->dev, "unable to create /proc entry\n"); - ret = -EFAULT; - goto free_fb; - } - return 0; - -free_fb: - unregister_framebuffer(&fbdev->info); -free_irq_ppi: - free_irq(IRQ_PPI_ERROR, fbdev); -free_ch_ppi: - free_dma(CH_PPI); -free_cmap: - fb_dealloc_cmap(&fbdev->info.cmap); -free_palette: - kfree(fbdev->info.pseudo_palette); -free_fb_mem: - dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem, - fbdev->dma_handle); -free_ppi_pins: - peripheral_free_list(ppi_pins); -free_gpio: - if (ANOMALY_05000400) - gpio_free(P_IDENT(P_PPI0_FS3)); -free_fbdev: - kfree(fbdev); - - return ret; -} - -static int bfin_adv7393_fb_open(struct fb_info *info, int user) -{ - struct adv7393fb_device *fbdev = to_adv7393fb_device(info); - - fbdev->info.screen_base = (void *)fbdev->fb_mem; - if (!fbdev->info.screen_base) { - dev_err(&fbdev->client->dev, "unable to map device\n"); - return -ENOMEM; - } - - fbdev->open = 1; - dma_desc_list(fbdev, BUILD); - adv7393_mode(fbdev->client, BLANK_OFF); - bfin_config_ppi(fbdev); - bfin_config_dma(fbdev); - bfin_enable_ppi(); - - return 0; -} - -static int bfin_adv7393_fb_release(struct fb_info *info, int user) -{ - struct adv7393fb_device *fbdev = to_adv7393fb_device(info); - - adv7393_mode(fbdev->client, BLANK_ON); - bfin_disable_dma(); - bfin_disable_ppi(); - dma_desc_list(fbdev, DESTRUCT); - fbdev->open = 0; - return 0; -} - -static int -bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - - switch (var->bits_per_pixel) { - case 16:/* DIRECTCOLOUR, 64k */ - var->red.offset = info->var.red.offset; - var->green.offset = info->var.green.offset; - var->blue.offset = info->var.blue.offset; - var->red.length = info->var.red.length; - var->green.length = info->var.green.length; - var->blue.length = info->var.blue.length; - var->transp.offset = 0; - var->transp.length = 0; - var->transp.msb_right = 0; - var->red.msb_right = 0; - var->green.msb_right = 0; - var->blue.msb_right = 0; - break; - default: - pr_debug("%s: depth not supported: %u BPP\n", __func__, - var->bits_per_pixel); - return -EINVAL; - } - - if (info->var.xres != var->xres || - info->var.yres != var->yres || - info->var.xres_virtual != var->xres_virtual || - info->var.yres_virtual != var->yres_virtual) { - pr_debug("%s: Resolution not supported: X%u x Y%u\n", - __func__, var->xres, var->yres); - return -EINVAL; - } - - /* - * Memory limit - */ - - if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { - pr_debug("%s: Memory Limit requested yres_virtual = %u\n", - __func__, var->yres_virtual); - return -ENOMEM; - } - - return 0; -} - -static int -bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) -{ - int dy; - u32 dmaaddr; - struct adv7393fb_device *fbdev = to_adv7393fb_device(info); - - if (!var || !info) - return -EINVAL; - - if (var->xoffset - info->var.xoffset) { - /* No support for X panning for now! */ - return -EINVAL; - } - dy = var->yoffset - info->var.yoffset; - - if (dy) { - pr_debug("%s: Panning screen of %d lines\n", __func__, dy); - - dmaaddr = fbdev->av1->start_addr; - dmaaddr += (info->fix.line_length * dy); - /* TODO: Wait for current frame to finished */ - - fbdev->av1->start_addr = (unsigned long)dmaaddr; - fbdev->av2->start_addr = (unsigned long)dmaaddr + fbdev->line_len; - } - - return 0; - -} - -/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */ -static int bfin_adv7393_fb_blank(int blank, struct fb_info *info) -{ - struct adv7393fb_device *fbdev = to_adv7393fb_device(info); - - switch (blank) { - - case VESA_NO_BLANKING: - /* Turn on panel */ - adv7393_mode(fbdev->client, BLANK_OFF); - break; - - case VESA_VSYNC_SUSPEND: - case VESA_HSYNC_SUSPEND: - case VESA_POWERDOWN: - /* Turn off panel */ - adv7393_mode(fbdev->client, BLANK_ON); - break; - - default: - return -EINVAL; - break; - } - return 0; -} - -int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) -{ - if (nocursor) - return 0; - else - return -EINVAL; /* just to force soft_cursor() call */ -} - -static int bfin_adv7393_fb_setcolreg(u_int regno, u_int red, u_int green, - u_int blue, u_int transp, - struct fb_info *info) -{ - if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES) - return -EINVAL; - - if (info->var.grayscale) - /* grayscale = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - - if (info->fix.visual == FB_VISUAL_TRUECOLOR) { - u32 value; - /* Place color in the pseudopalette */ - if (regno > 16) - return -EINVAL; - - red >>= (16 - info->var.red.length); - green >>= (16 - info->var.green.length); - blue >>= (16 - info->var.blue.length); - - value = (red << info->var.red.offset) | - (green << info->var.green.offset)| - (blue << info->var.blue.offset); - value &= 0xFFFF; - - ((u32 *) (info->pseudo_palette))[regno] = value; - } - - return 0; -} - -static int bfin_adv7393_fb_remove(struct i2c_client *client) -{ - struct adv7393fb_device *fbdev = i2c_get_clientdata(client); - - adv7393_mode(client, POWER_DOWN); - - if (fbdev->fb_mem) - dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem, fbdev->dma_handle); - free_dma(CH_PPI); - free_irq(IRQ_PPI_ERROR, fbdev); - unregister_framebuffer(&fbdev->info); - remove_proc_entry("driver/adv7393", NULL); - fb_dealloc_cmap(&fbdev->info.cmap); - kfree(fbdev->info.pseudo_palette); - - if (ANOMALY_05000400) - gpio_free(P_IDENT(P_PPI0_FS3)); /* FS3 */ - peripheral_free_list(ppi_pins); - kfree(fbdev); - - return 0; -} - -#ifdef CONFIG_PM -static int bfin_adv7393_fb_suspend(struct device *dev) -{ - struct adv7393fb_device *fbdev = dev_get_drvdata(dev); - - if (fbdev->open) { - bfin_disable_dma(); - bfin_disable_ppi(); - dma_desc_list(fbdev, DESTRUCT); - } - adv7393_mode(fbdev->client, POWER_DOWN); - - return 0; -} - -static int bfin_adv7393_fb_resume(struct device *dev) -{ - struct adv7393fb_device *fbdev = dev_get_drvdata(dev); - - adv7393_mode(fbdev->client, POWER_ON); - - if (fbdev->open) { - dma_desc_list(fbdev, BUILD); - bfin_config_ppi(fbdev); - bfin_config_dma(fbdev); - bfin_enable_ppi(); - } - - return 0; -} - -static const struct dev_pm_ops bfin_adv7393_dev_pm_ops = { - .suspend = bfin_adv7393_fb_suspend, - .resume = bfin_adv7393_fb_resume, -}; -#endif - -static const struct i2c_device_id bfin_adv7393_id[] = { - {DRIVER_NAME, 0}, - {} -}; - -MODULE_DEVICE_TABLE(i2c, bfin_adv7393_id); - -static struct i2c_driver bfin_adv7393_fb_driver = { - .driver = { - .name = DRIVER_NAME, -#ifdef CONFIG_PM - .pm = &bfin_adv7393_dev_pm_ops, -#endif - }, - .probe = bfin_adv7393_fb_probe, - .remove = bfin_adv7393_fb_remove, - .id_table = bfin_adv7393_id, -}; - -static int __init bfin_adv7393_fb_driver_init(void) -{ -#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI) - request_module("i2c-bfin-twi"); -#else - request_module("i2c-gpio"); -#endif - - return i2c_add_driver(&bfin_adv7393_fb_driver); -} -module_init(bfin_adv7393_fb_driver_init); - -static void __exit bfin_adv7393_fb_driver_cleanup(void) -{ - i2c_del_driver(&bfin_adv7393_fb_driver); -} -module_exit(bfin_adv7393_fb_driver_cleanup); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Frame buffer driver for ADV7393/2 Video Encoder"); - -module_param(mode, int, 0); -MODULE_PARM_DESC(mode, - "Video Mode (0=NTSC,1=PAL,2=NTSC 640x480,3=PAL 640x480,4=NTSC YCbCr input,5=PAL YCbCr input)"); - -module_param(mem, int, 0); -MODULE_PARM_DESC(mem, - "Size of frame buffer memory 1=Single 2=Double Size (allows y-panning / frame stacking)"); - -module_param(nocursor, int, 0644); -MODULE_PARM_DESC(nocursor, "cursor enable/disable"); |