firmware: convert av7110 driver to request_firmware()

Signed-off-by: NJaswinder Singh <jaswinder@infradead.org>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

drivers/media/dvb/ttpci/av7110_hw.c

@@ -198,29 +198,10 @@ static int load_dram(struct av7110 *av7110, u32 *data, int len)
 
 /* we cannot write av7110 DRAM directly, so load a bootloader into
  * the DPRAM which implements a simple boot protocol */
-static u8 bootcode[] = {
-  0xea, 0x00, 0x00, 0x0e, 0xe1, 0xb0, 0xf0, 0x0e, 0xe2, 0x5e, 0xf0, 0x04,
-  0xe2, 0x5e, 0xf0, 0x04, 0xe2, 0x5e, 0xf0, 0x08, 0xe2, 0x5e, 0xf0, 0x04,
-  0xe2, 0x5e, 0xf0, 0x04, 0xe2, 0x5e, 0xf0, 0x04, 0x2c, 0x00, 0x00, 0x24,
-  0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x34,
-  0x00, 0x00, 0x00, 0x00, 0xa5, 0xa5, 0x5a, 0x5a, 0x00, 0x1f, 0x15, 0x55,
-  0x00, 0x00, 0x00, 0x09, 0xe5, 0x9f, 0xd0, 0x7c, 0xe5, 0x9f, 0x40, 0x74,
-  0xe3, 0xa0, 0x00, 0x00, 0xe5, 0x84, 0x00, 0x00, 0xe5, 0x84, 0x00, 0x04,
-  0xe5, 0x9f, 0x10, 0x70, 0xe5, 0x9f, 0x20, 0x70, 0xe5, 0x9f, 0x30, 0x64,
-  0xe8, 0xb1, 0x1f, 0xe0, 0xe8, 0xa3, 0x1f, 0xe0, 0xe1, 0x51, 0x00, 0x02,
-  0xda, 0xff, 0xff, 0xfb, 0xe5, 0x9f, 0xf0, 0x50, 0xe1, 0xd4, 0x10, 0xb0,
-  0xe3, 0x51, 0x00, 0x00, 0x0a, 0xff, 0xff, 0xfc, 0xe1, 0xa0, 0x10, 0x0d,
-  0xe5, 0x94, 0x30, 0x04, 0xe1, 0xd4, 0x20, 0xb2, 0xe2, 0x82, 0x20, 0x3f,
-  0xe1, 0xb0, 0x23, 0x22, 0x03, 0xa0, 0x00, 0x02, 0xe1, 0xc4, 0x00, 0xb0,
-  0x0a, 0xff, 0xff, 0xf4, 0xe8, 0xb1, 0x1f, 0xe0, 0xe8, 0xa3, 0x1f, 0xe0,
-  0xe8, 0xb1, 0x1f, 0xe0, 0xe8, 0xa3, 0x1f, 0xe0, 0xe2, 0x52, 0x20, 0x01,
-  0x1a, 0xff, 0xff, 0xf9, 0xe2, 0x2d, 0xdb, 0x05, 0xea, 0xff, 0xff, 0xec,
-  0x2c, 0x00, 0x03, 0xf8, 0x2c, 0x00, 0x04, 0x00, 0x9e, 0x00, 0x08, 0x00,
-  0x2c, 0x00, 0x00, 0x74, 0x2c, 0x00, 0x00, 0xc0
-};
-
 int av7110_bootarm(struct av7110 *av7110)
 {
+	const struct firmware *fw;
+	const char *fw_name = "av7110/bootcode.bin";
 	struct saa7146_dev *dev = av7110->dev;
 	u32 ret;
 	int i;
@@ -261,7 +242,15 @@ int av7110_bootarm(struct av7110 *av7110)
 	//saa7146_setgpio(dev, DEBI_DONE_LINE, SAA7146_GPIO_INPUT);
 	//saa7146_setgpio(dev, 3, SAA7146_GPIO_INPUT);
 
-	mwdebi(av7110, DEBISWAB, DPRAM_BASE, bootcode, sizeof(bootcode));
+	ret = request_firmware(&fw, fw_name, &dev->pci->dev);
+	if (ret) {
+		printk(KERN_ERR "dvb-ttpci: Failed to load firmware \"%s\"\n",
+			fw_name);
+		return ret;
+	}
+
+	mwdebi(av7110, DEBISWAB, DPRAM_BASE, fw->data, fw->size);
+	release_firmware(fw);
 	iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
 
 	if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
@@ -302,7 +291,7 @@ int av7110_bootarm(struct av7110 *av7110)
 	av7110->arm_ready = 1;
 	return 0;
 }
-
+MODULE_FIRMWARE("av7110/bootcode.bin");
 
 /****************************************************************************
  * DEBI command polling

drivers/media/dvb/ttpci/av7110_hw.h

@@ -390,7 +390,8 @@ static inline void iwdebi(struct av7110 *av7110, u32 config, int addr, u32 val,
 }
 
 /* buffer writes */
-static inline void mwdebi(struct av7110 *av7110, u32 config, int addr, u8 *val, int count)
+static inline void mwdebi(struct av7110 *av7110, u32 config, int addr,
+			  const u8 *val, int count)
 {
 	memcpy(av7110->debi_virt, val, count);
 	av7110_debiwrite(av7110, config, addr, 0, count);

firmware/Makefile

@@ -37,6 +37,7 @@ fw-shipped-$(CONFIG_COMPUTONE) += intelliport2.bin
 fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \
 				   cxgb3/t3c_psram-1.1.0.bin \
 				   cxgb3/t3fw-7.1.0.bin
+fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin
 fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin
 fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \
 			     e100/d102e_ucode.bin

firmware/WHENCE

@@ -632,3 +632,13 @@ Licence: Unknown
 Found in hex form in kernel source.
 
 --------------------------------------------------------------------------
+
+Driver: DVB AV7110 -- AV7110 cards
+
+File: av7110/bootcode.bin
+
+Licence: GPLv2 or later
+
+ARM assembly source code available at http://www.linuxtv.org/downloads/firmware/Boot.S
+
+--------------------------------------------------------------------------

firmware/av7110/Boot.S

+/*
+   Boot.S: boot loader for Siemens DVB-S card
+
+   Copyright (C) 2001 Convergence integrated media GmbH
+	              Written by Ralph Metzler
+		                 <rjkm@convergence.de>
+   Copyright (C) 2006 Matthieu CASTET <castet.mattheiu@free.fr>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   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.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA.
+
+*/
+
+/*
+	check AV711x_3_1.pdf for some hardware infos
+	build it with :
+	$ cc -mbig-endian -c Boot.S
+	$ ld -Ttext 0x2c000000 -EB -o Boot Boot.o
+	$ objcopy -Obinary Boot
+*/
+
+	.text
+	.align
+	.globl _start
+_start:
+	b reset			// reset vector
+	movs  pc, r14           // undefined
+	subs  pc, r14, #4       // SWI
+	subs  pc, r14, #4       // prefetch abort
+	subs  pc, r14, #8       // data abort
+	subs  pc, r14, #4       // reserved
+	subs  pc, r14, #4       // IRQ
+	subs  pc, r14, #4       // FIQ
+
+	.word tbl               // table needed by firmware ROM
+tbl:	.word (endtbl - tbl)
+	.word 0
+  	.word conf
+endtbl:	.word 0
+conf:	.word 0xa5a55a5a
+	.word 0x001f1555
+	.word 0x00000009
+
+reset:	ldr	r13, buffer
+	ldr	r4, flag
+	mov	r0, #0
+	str	r0, [r4]
+	str	r0, [r4, #4]
+
+	ldr		r1, wait_address
+	ldr		r2, flag_address
+	ldr		r3, sram
+
+copycode: // copy the code HW Sram
+	ldmia	r1!, {r5-r12}
+	stmia	r3!, {r5-r12}
+	cmp		r1, r2
+	ble 	copycode
+	ldr		pc, sram // jump to the copied code
+
+wait:	ldrh	r1, [r4]        // wait for flag!=0
+ 	cmp	r1, #0
+	beq	wait
+
+	mov	r1, r13         // buffer address
+ 	ldr	r3, [r4,#4]     // destaddr
+
+ 	ldrh	r2, [r4,#2]     // get segment length
+	add     r2, r2, #63     // round length to next 64 bytes
+	movs	r2, r2, lsr #6  // and divide by 64
+	moveq	r0, #2          // if 0, set flag to 2, else signal
+	strh	r0, [r4]        // that buffer is accepted by setting to 0
+        beq wait
+	
+copyloop:
+	ldmia	r1!, {r5-r12}
+	stmia	r3!, {r5-r12}
+	ldmia	r1!, {r5-r12}
+	stmia	r3!, {r5-r12}
+ 	subs	r2, r2, #1
+ 	bne	copyloop
+
+	eor     r13, r13, #0x1400    // switch to other buffer
+	b	wait
+
+// flag is stored at 0x2c0003f8, length at 0x2c0003fa,
+// destaddr at 0x2c0003fc
+
+flag:	.word	0x2c0003f8
+
+
+// buffer 1 is at 0x2c000400, buffer 2 at 0x2c001000
+
+buffer:	.word	0x2c000400
+
+sram: .word   0x9e000800
+wait_address: .word   wait
+flag_address: .word   flag

firmware/av7110/bootcode.bin.ihex

+:10000000EA00000EE1B0F00EE25EF004E25EF00401
+:10001000E25EF008E25EF004E25EF004E25EF0040C
+:100020002C0000240000000C000000002C00003414
+:1000300000000000A5A55A5A001F15550000000930
+:10004000E59FD07CE59F4074E3A00000E5840000BC
+:10005000E5840004E59F1070E59F2070E59F306403
+:10006000E8B11FE0E8A31FE0E1510002DAFFFFFB67
+:10007000E59FF050E1D410B0E35100000AFFFFFC0F
+:10008000E1A0100DE5943004E1D420B2E282203FDB
+:10009000E1B0232203A00002E1C400B00AFFFFF494
+:1000A000E8B11FE0E8A31FE0E8B11FE0E8A31FE00C
+:1000B000E25220011AFFFFF9E22DDB05EAFFFFEC17
+:1000C0002C0003F82C0004009E0008002C00007493
+:0400D0002C0000C040
+:00000001FF