dsp56k: use request_firmware
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Jaswinder Singh
David Woodhouse
Родитель
d12b219a22
Коммит
7f127d5ed0
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@ -33,6 +33,8 @@
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#include <linux/mm.h>
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/device.h>
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#include <linux/firmware.h>
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#include <linux/platform_device.h>
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#include <asm/atarihw.h>
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#include <asm/atarihw.h>
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#include <asm/traps.h>
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#include <asm/traps.h>
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@ -92,49 +94,6 @@
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} \
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} \
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}
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}
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/* DSP56001 bootstrap code */
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static char bootstrap[] = {
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0x0c, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x60, 0xf4, 0x00, 0x00, 0x00, 0x4f, 0x61, 0xf4,
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0x00, 0x00, 0x7e, 0xa9, 0x06, 0x2e, 0x80, 0x00, 0x00, 0x47,
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0x07, 0xd8, 0x84, 0x07, 0x59, 0x84, 0x08, 0xf4, 0xa8, 0x00,
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0x00, 0x04, 0x08, 0xf4, 0xbf, 0x00, 0x0c, 0x00, 0x00, 0xfe,
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0xb8, 0x0a, 0xf0, 0x80, 0x00, 0x7e, 0xa9, 0x08, 0xf4, 0xa0,
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0x00, 0x00, 0x01, 0x08, 0xf4, 0xbe, 0x00, 0x00, 0x00, 0x0a,
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0xa9, 0x80, 0x00, 0x7e, 0xad, 0x08, 0x4e, 0x2b, 0x44, 0xf4,
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0x00, 0x00, 0x00, 0x03, 0x44, 0xf4, 0x45, 0x00, 0x00, 0x01,
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0x0e, 0xa0, 0x00, 0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xb5, 0x08,
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0x50, 0x2b, 0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xb8, 0x08, 0x46,
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0x2b, 0x44, 0xf4, 0x45, 0x00, 0x00, 0x02, 0x0a, 0xf0, 0xaa,
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0x00, 0x7e, 0xc9, 0x20, 0x00, 0x45, 0x0a, 0xf0, 0xaa, 0x00,
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0x7e, 0xd0, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xc6, 0x0a, 0xa9,
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0x80, 0x00, 0x7e, 0xc4, 0x08, 0x58, 0x6b, 0x0a, 0xf0, 0x80,
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0x00, 0x7e, 0xad, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xcd, 0x0a,
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0xa9, 0x80, 0x00, 0x7e, 0xcb, 0x08, 0x58, 0xab, 0x0a, 0xf0,
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0x80, 0x00, 0x7e, 0xad, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xd4,
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0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xd2, 0x08, 0x58, 0xeb, 0x0a,
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0xf0, 0x80, 0x00, 0x7e, 0xad};
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static int sizeof_bootstrap = 375;
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static struct dsp56k_device {
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static struct dsp56k_device {
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unsigned long in_use;
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unsigned long in_use;
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long maxio, timeout;
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long maxio, timeout;
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@ -164,18 +123,40 @@ static int dsp56k_reset(void)
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static int dsp56k_upload(u_char __user *bin, int len)
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static int dsp56k_upload(u_char __user *bin, int len)
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{
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{
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struct platform_device *pdev;
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const struct firmware *fw;
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const char fw_name[] = "dsp56k/bootstrap.bin";
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int err;
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int i;
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int i;
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u_char *p;
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dsp56k_reset();
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dsp56k_reset();
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p = bootstrap;
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pdev = platform_device_register_simple("dsp56k", 0, NULL, 0);
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for (i = 0; i < sizeof_bootstrap/3; i++) {
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if (IS_ERR(pdev)) {
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/* tx_wait(10); */
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printk(KERN_ERR "Failed to register device for \"%s\"\n",
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dsp56k_host_interface.data.b[1] = *p++;
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fw_name);
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dsp56k_host_interface.data.b[2] = *p++;
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return -EINVAL;
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dsp56k_host_interface.data.b[3] = *p++;
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}
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}
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err = request_firmware(&fw, fw_name, &pdev->dev);
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platform_device_unregister(pdev);
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if (err) {
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printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
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fw_name, err);
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return err;
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}
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if (fw->size % 3) {
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printk(KERN_ERR "Bogus length %d in image \"%s\"\n",
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fw->size, fw_name);
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release_firmware(fw);
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return -EINVAL;
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}
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for (i = 0; i < fw->size; i = i + 3) {
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/* tx_wait(10); */
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dsp56k_host_interface.data.b[1] = fw->data[i];
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dsp56k_host_interface.data.b[2] = fw->data[i + 1];
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dsp56k_host_interface.data.b[3] = fw->data[i + 2];
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}
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release_firmware(fw);
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for (; i < 512; i++) {
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for (; i < 512; i++) {
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/* tx_wait(10); */
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/* tx_wait(10); */
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dsp56k_host_interface.data.b[1] = 0;
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dsp56k_host_interface.data.b[1] = 0;
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@ -534,3 +515,4 @@ static void __exit dsp56k_cleanup_driver(void)
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module_exit(dsp56k_cleanup_driver);
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module_exit(dsp56k_cleanup_driver);
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MODULE_LICENSE("GPL");
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MODULE_LICENSE("GPL");
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MODULE_FIRMWARE("dsp56k/bootstrap.bin");
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@ -20,6 +20,7 @@ fw-external-y := $(subst ",,$(CONFIG_EXTRA_FIRMWARE))
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# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
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# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
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# But be aware that the config file might not be included at all.
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# But be aware that the config file might not be included at all.
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fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin
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fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw
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fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw
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fw-shipped-$(CONFIG_COMPUTONE) += intelliport2.bin
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fw-shipped-$(CONFIG_COMPUTONE) += intelliport2.bin
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fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin
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fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin
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@ -309,3 +309,15 @@ Licence:
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Found in hex form in kernel source.
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Found in hex form in kernel source.
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--------------------------------------------------------------------------
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--------------------------------------------------------------------------
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Driver: ATARI_DSP56K - Atari DSP56k support
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File: dsp56k/bootstrap.bin
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Source: dsp56k/bootstrap.asm
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Licence: GPLv2 or later
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DSP56001 assembler, possibly buildable with a56 from
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http://www.zdomain.com/a56.html
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--------------------------------------------------------------------------
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@ -0,0 +1,98 @@
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; Author: Frederik Noring <noring@nocrew.org>
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;
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; This file is subject to the terms and conditions of the GNU General Public
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; License. See the file COPYING in the main directory of this archive
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; for more details.
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; DSP56k loader
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; Host Interface
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M_BCR EQU $FFFE ; Port A Bus Control Register
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M_PBC EQU $FFE0 ; Port B Control Register
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M_PBDDR EQU $FFE2 ; Port B Data Direction Register
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M_PBD EQU $FFE4 ; Port B Data Register
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M_PCC EQU $FFE1 ; Port C Control Register
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M_PCDDR EQU $FFE3 ; Port C Data Direction Register
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M_PCD EQU $FFE5 ; Port C Data Register
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M_HCR EQU $FFE8 ; Host Control Register
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M_HSR EQU $FFE9 ; Host Status Register
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M_HRX EQU $FFEB ; Host Receive Data Register
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M_HTX EQU $FFEB ; Host Transmit Data Register
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; SSI, Synchronous Serial Interface
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M_RX EQU $FFEF ; Serial Receive Data Register
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M_TX EQU $FFEF ; Serial Transmit Data Register
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M_CRA EQU $FFEC ; SSI Control Register A
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M_CRB EQU $FFED ; SSI Control Register B
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M_SR EQU $FFEE ; SSI Status Register
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M_TSR EQU $FFEE ; SSI Time Slot Register
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; Exception Processing
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M_IPR EQU $FFFF ; Interrupt Priority Register
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org P:$0
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start jmp <$40
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org P:$40
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; ; Zero 16384 DSP X and Y words
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; clr A #0,r0
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; clr B #0,r4
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; do #64,<_block1
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; rep #256
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; move A,X:(r0)+ B,Y:(r4)+
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;_block1 ; Zero (32768-512) Program words
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; clr A #512,r0
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; do #126,<_block2
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; rep #256
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; move A,P:(r0)+
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;_block2
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; Copy DSP program control
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move #real,r0
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move #upload,r1
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do #upload_end-upload,<_copy
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move P:(r0)+,x0
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move x0,P:(r1)+
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_copy movep #>4,X:<<M_HCR
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movep #>$c00,X:<<M_IPR
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and #<$fe,mr
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jmp upload
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real
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org P:$7ea9
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upload
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movep #>1,X:<<M_PBC
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movep #>0,X:<<M_BCR
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next jclr #0,X:<<M_HSR,*
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movep X:<<M_HRX,A
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move #>3,x0
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cmp x0,A #>1,x0
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jeq <$0
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_get_address
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jclr #0,X:<<M_HSR,_get_address
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movep X:<<M_HRX,r0
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_get_length
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jclr #0,X:<<M_HSR,_get_length
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movep X:<<M_HRX,y0
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cmp x0,A #>2,x0
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jeq load_X
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cmp x0,A
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jeq load_Y
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load_P do y0,_load
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jclr #0,X:<<M_HSR,*
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movep X:<<M_HRX,P:(r0)+
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_load jmp next
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load_X do y0,_load
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jclr #0,X:<<M_HSR,*
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movep X:<<M_HRX,X:(r0)+
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_load jmp next
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load_Y do y0,_load
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jclr #0,X:<<M_HSR,*
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movep X:<<M_HRX,Y:(r0)+
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_load jmp next
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upload_end
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end
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@ -0,0 +1,26 @@
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:100000000C004000000000000000000000000000A4
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:1000100000000000000000000000000000000000E0
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:1000200000000000000000000000000000000000D0
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:1000300000000000000000000000000000000000C0
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:1000400000000000000000000000000000000000B0
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:1000500000000000000000000000000000000000A0
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:100060000000000000000000000000000000000090
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:100070000000000000000000000000000000000080
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:100080000000000000000000000000000000000070
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:100090000000000000000000000000000000000060
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||||||
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:1000A0000000000000000000000000000000000050
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||||||
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:1000B0000000000000000000000000000000000040
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:1000C00060F40000004F61F400007EA9062E80005D
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:1000D000004707D88407598408F4A800000408F4EE
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:1000E000BF000C0000FEB80AF080007EA908F4A052
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:1000F00000000108F4BE0000000AA980007EAD08DF
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:100100004E2B44F40000000344F4450000010EA00F
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:10011000000AA980007EB508502B0AA980007EB88D
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:1001200008462B44F4450000020AF0AA007EC920CC
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:1001300000450AF0AA007ED006C600007EC60AA9C5
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:1001400080007EC408586B0AF080007EAD06C600B1
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:10015000007ECD0AA980007ECB0858AB0AF0800053
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:100160007EAD06C600007ED40AA980007ED2085863
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:07017000EB0AF080007EADF8
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:00000001FF
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/* DSP56001 bootstrap code */
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