media: platform: remove blackfin capture driver

The blackfin architecture is getting removed, so the video
capture driver is also obsolete.

Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 361 deletions

diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c
deleted file mode 100644
index d3dc765c1609..000000000000
--- a/drivers/media/platform/blackfin/ppi.c
+++ /dev/null
@@ -1,361 +0,0 @@
-/*
- * ppi.c Analog Devices Parallel Peripheral Interface driver
- *
- * Copyright (c) 2011 Analog Devices Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-
-#include <asm/bfin_ppi.h>
-#include <asm/blackfin.h>
-#include <asm/cacheflush.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-
-#include <media/blackfin/ppi.h>
-
-static int ppi_attach_irq(struct ppi_if *ppi, irq_handler_t handler);
-static void ppi_detach_irq(struct ppi_if *ppi);
-static int ppi_start(struct ppi_if *ppi);
-static int ppi_stop(struct ppi_if *ppi);
-static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params);
-static void ppi_update_addr(struct ppi_if *ppi, unsigned long addr);
-
-static const struct ppi_ops ppi_ops = {
-	.attach_irq = ppi_attach_irq,
-	.detach_irq = ppi_detach_irq,
-	.start = ppi_start,
-	.stop = ppi_stop,
-	.set_params = ppi_set_params,
-	.update_addr = ppi_update_addr,
-};
-
-static irqreturn_t ppi_irq_err(int irq, void *dev_id)
-{
-	struct ppi_if *ppi = dev_id;
-	const struct ppi_info *info = ppi->info;
-
-	switch (info->type) {
-	case PPI_TYPE_PPI:
-	{
-		struct bfin_ppi_regs *reg = info->base;
-		unsigned short status;
-
-		/* register on bf561 is cleared when read
-		 * others are W1C
-		 */
-		status = bfin_read16(&reg->status);
-		if (status & 0x3000)
-			ppi->err = true;
-		bfin_write16(&reg->status, 0xff00);
-		break;
-	}
-	case PPI_TYPE_EPPI:
-	{
-		struct bfin_eppi_regs *reg = info->base;
-		unsigned short status;
-
-		status = bfin_read16(&reg->status);
-		if (status & 0x2)
-			ppi->err = true;
-		bfin_write16(&reg->status, 0xffff);
-		break;
-	}
-	case PPI_TYPE_EPPI3:
-	{
-		struct bfin_eppi3_regs *reg = info->base;
-		unsigned long stat;
-
-		stat = bfin_read32(&reg->stat);
-		if (stat & 0x2)
-			ppi->err = true;
-		bfin_write32(&reg->stat, 0xc0ff);
-		break;
-	}
-	default:
-		break;
-	}
-
-	return IRQ_HANDLED;
-}
-
-static int ppi_attach_irq(struct ppi_if *ppi, irq_handler_t handler)
-{
-	const struct ppi_info *info = ppi->info;
-	int ret;
-
-	ret = request_dma(info->dma_ch, "PPI_DMA");
-
-	if (ret) {
-		pr_err("Unable to allocate DMA channel for PPI\n");
-		return ret;
-	}
-	set_dma_callback(info->dma_ch, handler, ppi);
-
-	if (ppi->err_int) {
-		ret = request_irq(info->irq_err, ppi_irq_err, 0, "PPI ERROR", ppi);
-		if (ret) {
-			pr_err("Unable to allocate IRQ for PPI\n");
-			free_dma(info->dma_ch);
-		}
-	}
-	return ret;
-}
-
-static void ppi_detach_irq(struct ppi_if *ppi)
-{
-	const struct ppi_info *info = ppi->info;
-
-	if (ppi->err_int)
-		free_irq(info->irq_err, ppi);
-	free_dma(info->dma_ch);
-}
-
-static int ppi_start(struct ppi_if *ppi)
-{
-	const struct ppi_info *info = ppi->info;
-
-	/* enable DMA */
-	enable_dma(info->dma_ch);
-
-	/* enable PPI */
-	ppi->ppi_control |= PORT_EN;
-	switch (info->type) {
-	case PPI_TYPE_PPI:
-	{
-		struct bfin_ppi_regs *reg = info->base;
-		bfin_write16(&reg->control, ppi->ppi_control);
-		break;
-	}
-	case PPI_TYPE_EPPI:
-	{
-		struct bfin_eppi_regs *reg = info->base;
-		bfin_write32(&reg->control, ppi->ppi_control);
-		break;
-	}
-	case PPI_TYPE_EPPI3:
-	{
-		struct bfin_eppi3_regs *reg = info->base;
-		bfin_write32(&reg->ctl, ppi->ppi_control);
-		break;
-	}
-	default:
-		return -EINVAL;
-	}
-
-	SSYNC();
-	return 0;
-}
-
-static int ppi_stop(struct ppi_if *ppi)
-{
-	const struct ppi_info *info = ppi->info;
-
-	/* disable PPI */
-	ppi->ppi_control &= ~PORT_EN;
-	switch (info->type) {
-	case PPI_TYPE_PPI:
-	{
-		struct bfin_ppi_regs *reg = info->base;
-		bfin_write16(&reg->control, ppi->ppi_control);
-		break;
-	}
-	case PPI_TYPE_EPPI:
-	{
-		struct bfin_eppi_regs *reg = info->base;
-		bfin_write32(&reg->control, ppi->ppi_control);
-		break;
-	}
-	case PPI_TYPE_EPPI3:
-	{
-		struct bfin_eppi3_regs *reg = info->base;
-		bfin_write32(&reg->ctl, ppi->ppi_control);
-		break;
-	}
-	default:
-		return -EINVAL;
-	}
-
-	/* disable DMA */
-	clear_dma_irqstat(info->dma_ch);
-	disable_dma(info->dma_ch);
-
-	SSYNC();
-	return 0;
-}
-
-static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
-{
-	const struct ppi_info *info = ppi->info;
-	int dma32 = 0;
-	int dma_config, bytes_per_line;
-	int hcount, hdelay, samples_per_line;
-
-#ifdef CONFIG_PINCTRL
-	static const char * const pin_state[] = {"8bit", "16bit", "24bit"};
-	struct pinctrl *pctrl;
-	struct pinctrl_state *pstate;
-
-	if (params->dlen > 24 || params->dlen <= 0)
-		return -EINVAL;
-	pctrl = devm_pinctrl_get(ppi->dev);
-	if (IS_ERR(pctrl))
-		return PTR_ERR(pctrl);
-	pstate = pinctrl_lookup_state(pctrl,
-				      pin_state[(params->dlen + 7) / 8 - 1]);
-	if (pinctrl_select_state(pctrl, pstate))
-		return -EINVAL;
-#endif
-
-	bytes_per_line = params->width * params->bpp / 8;
-	/* convert parameters unit from pixels to samples */
-	hcount = params->width * params->bpp / params->dlen;
-	hdelay = params->hdelay * params->bpp / params->dlen;
-	samples_per_line = params->line * params->bpp / params->dlen;
-	if (params->int_mask == 0xFFFFFFFF)
-		ppi->err_int = false;
-	else
-		ppi->err_int = true;
-
-	dma_config = (DMA_FLOW_STOP | RESTART | DMA2D | DI_EN_Y);
-	ppi->ppi_control = params->ppi_control & ~PORT_EN;
-	if (!(ppi->ppi_control & PORT_DIR))
-		dma_config |= WNR;
-	switch (info->type) {
-	case PPI_TYPE_PPI:
-	{
-		struct bfin_ppi_regs *reg = info->base;
-
-		if (params->ppi_control & DMA32)
-			dma32 = 1;
-
-		bfin_write16(&reg->control, ppi->ppi_control);
-		bfin_write16(&reg->count, samples_per_line - 1);
-		bfin_write16(&reg->frame, params->frame);
-		break;
-	}
-	case PPI_TYPE_EPPI:
-	{
-		struct bfin_eppi_regs *reg = info->base;
-
-		if ((params->ppi_control & PACK_EN)
-			|| (params->ppi_control & 0x38000) > DLEN_16)
-			dma32 = 1;
-
-		bfin_write32(&reg->control, ppi->ppi_control);
-		bfin_write16(&reg->line, samples_per_line);
-		bfin_write16(&reg->frame, params->frame);
-		bfin_write16(&reg->hdelay, hdelay);
-		bfin_write16(&reg->vdelay, params->vdelay);
-		bfin_write16(&reg->hcount, hcount);
-		bfin_write16(&reg->vcount, params->height);
-		break;
-	}
-	case PPI_TYPE_EPPI3:
-	{
-		struct bfin_eppi3_regs *reg = info->base;
-
-		if ((params->ppi_control & PACK_EN)
-			|| (params->ppi_control & 0x70000) > DLEN_16)
-			dma32 = 1;
-
-		bfin_write32(&reg->ctl, ppi->ppi_control);
-		bfin_write32(&reg->line, samples_per_line);
-		bfin_write32(&reg->frame, params->frame);
-		bfin_write32(&reg->hdly, hdelay);
-		bfin_write32(&reg->vdly, params->vdelay);
-		bfin_write32(&reg->hcnt, hcount);
-		bfin_write32(&reg->vcnt, params->height);
-		if (params->int_mask)
-			bfin_write32(&reg->imsk, params->int_mask & 0xFF);
-		if (ppi->ppi_control & PORT_DIR) {
-			u32 hsync_width, vsync_width, vsync_period;
-
-			hsync_width = params->hsync
-					* params->bpp / params->dlen;
-			vsync_width = params->vsync * samples_per_line;
-			vsync_period = samples_per_line * params->frame;
-			bfin_write32(&reg->fs1_wlhb, hsync_width);
-			bfin_write32(&reg->fs1_paspl, samples_per_line);
-			bfin_write32(&reg->fs2_wlvb, vsync_width);
-			bfin_write32(&reg->fs2_palpf, vsync_period);
-		}
-		break;
-	}
-	default:
-		return -EINVAL;
-	}
-
-	if (dma32) {
-		dma_config |= WDSIZE_32 | PSIZE_32;
-		set_dma_x_count(info->dma_ch, bytes_per_line >> 2);
-		set_dma_x_modify(info->dma_ch, 4);
-		set_dma_y_modify(info->dma_ch, 4);
-	} else {
-		dma_config |= WDSIZE_16 | PSIZE_16;
-		set_dma_x_count(info->dma_ch, bytes_per_line >> 1);
-		set_dma_x_modify(info->dma_ch, 2);
-		set_dma_y_modify(info->dma_ch, 2);
-	}
-	set_dma_y_count(info->dma_ch, params->height);
-	set_dma_config(info->dma_ch, dma_config);
-
-	SSYNC();
-	return 0;
-}
-
-static void ppi_update_addr(struct ppi_if *ppi, unsigned long addr)
-{
-	set_dma_start_addr(ppi->info->dma_ch, addr);
-}
-
-struct ppi_if *ppi_create_instance(struct platform_device *pdev,
-			const struct ppi_info *info)
-{
-	struct ppi_if *ppi;
-
-	if (!info || !info->pin_req)
-		return NULL;
-
-#ifndef CONFIG_PINCTRL
-	if (peripheral_request_list(info->pin_req, KBUILD_MODNAME)) {
-		dev_err(&pdev->dev, "request peripheral failed\n");
-		return NULL;
-	}
-#endif
-
-	ppi = kzalloc(sizeof(*ppi), GFP_KERNEL);
-	if (!ppi) {
-		peripheral_free_list(info->pin_req);
-		return NULL;
-	}
-	ppi->ops = &ppi_ops;
-	ppi->info = info;
-	ppi->dev = &pdev->dev;
-
-	pr_info("ppi probe success\n");
-	return ppi;
-}
-EXPORT_SYMBOL(ppi_create_instance);
-
-void ppi_delete_instance(struct ppi_if *ppi)
-{
-	peripheral_free_list(ppi->info->pin_req);
-	kfree(ppi);
-}
-EXPORT_SYMBOL(ppi_delete_instance);
-
-MODULE_DESCRIPTION("Analog Devices PPI driver");
-MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
-MODULE_LICENSE("GPL v2");