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path: root/drivers/video/fbdev/bfin_adv7393fb.c
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Diffstat (limited to 'drivers/video/fbdev/bfin_adv7393fb.c')
-rw-r--r--drivers/video/fbdev/bfin_adv7393fb.c828
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");