WebSVN – Kolibri OS – Blame – /drivers/video/drm/radeon/atom.c

Rev	Author	Line No.	Line
1117	serge	1	/*
		2	* Copyright 2008 Advanced Micro Devices, Inc.
		3	*
		4	* Permission is hereby granted, free of charge, to any person obtaining a
		5	* copy of this software and associated documentation files (the "Software"),
		6	* to deal in the Software without restriction, including without limitation
		7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		8	* and/or sell copies of the Software, and to permit persons to whom the
		9	* Software is furnished to do so, subject to the following conditions:
		10	*
		11	* The above copyright notice and this permission notice shall be included in
		12	* all copies or substantial portions of the Software.
		13	*
		14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
		18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
		19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
		20	* OTHER DEALINGS IN THE SOFTWARE.
		21	*
		22	* Author: Stanislaw Skowronek
		23	*/
		24
1179	serge	25	#include
		26	#include
1963	serge	27	#include
1428	serge	28	#include
1117	serge	29
		30	#define ATOM_DEBUG
		31
		32	#include "atom.h"
		33	#include "atom-names.h"
		34	#include "atom-bits.h"
1963	serge	35	#include "radeon.h"
1117	serge	36
		37	#define ATOM_COND_ABOVE 0
		38	#define ATOM_COND_ABOVEOREQUAL 1
		39	#define ATOM_COND_ALWAYS 2
		40	#define ATOM_COND_BELOW 3
		41	#define ATOM_COND_BELOWOREQUAL 4
		42	#define ATOM_COND_EQUAL 5
		43	#define ATOM_COND_NOTEQUAL 6
		44
		45	#define ATOM_PORT_ATI 0
		46	#define ATOM_PORT_PCI 1
		47	#define ATOM_PORT_SYSIO 2
		48
		49	#define ATOM_UNIT_MICROSEC 0
		50	#define ATOM_UNIT_MILLISEC 1
		51
		52	#define PLL_INDEX 2
		53	#define PLL_DATA 3
		54
		55	typedef struct {
		56	struct atom_context *ctx;
		57	uint32_t ps, ws;
		58	int ps_shift;
		59	uint16_t start;
1963	serge	60	unsigned last_jump;
		61	unsigned long last_jump_jiffies;
		62	bool abort;
1117	serge	63	} atom_exec_context;
		64
		65	int atom_debug = 0;
1963	serge	66	static int atom_execute_table_locked(struct atom_context ctx, int index, uint32_t params);
		67	int atom_execute_table(struct atom_context ctx, int index, uint32_t params);
1117	serge	68
		69	static uint32_t atom_arg_mask[8] =
		70	{ 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000,
		71	0xFF000000 };
		72	static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 };
		73
		74	static int atom_dst_to_src[8][4] = {
		75	/* translate destination alignment field to the source alignment encoding */
		76	{0, 0, 0, 0},
		77	{1, 2, 3, 0},
		78	{1, 2, 3, 0},
		79	{1, 2, 3, 0},
		80	{4, 5, 6, 7},
		81	{4, 5, 6, 7},
		82	{4, 5, 6, 7},
		83	{4, 5, 6, 7},
		84	};
		85	static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
		86
		87	static int debug_depth = 0;
		88	#ifdef ATOM_DEBUG
		89	static void debug_print_spaces(int n)
		90	{
		91	while (n--)
		92	printk(" ");
		93	}
		94
		95	#define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0)
		96	#define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0)
		97	#else
		98	#define DEBUG(...) do { } while (0)
		99	#define SDEBUG(...) do { } while (0)
		100	#endif
		101
		102	static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
		103	uint32_t index, uint32_t data)
		104	{
1963	serge	105	struct radeon_device *rdev = ctx->card->dev->dev_private;
1117	serge	106	uint32_t temp = 0xCDCDCDCD;
1963	serge	107
1117	serge	108	while (1)
		109	switch (CU8(base)) {
		110	case ATOM_IIO_NOP:
		111	base++;
		112	break;
		113	case ATOM_IIO_READ:
1963	serge	114	temp = ctx->card->ioreg_read(ctx->card, CU16(base + 1));
1117	serge	115	base += 3;
		116	break;
		117	case ATOM_IIO_WRITE:
1963	serge	118	if (rdev->family == CHIP_RV515)
		119	(void)ctx->card->ioreg_read(ctx->card, CU16(base + 1));
		120	ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp);
1117	serge	121	base += 3;
		122	break;
		123	case ATOM_IIO_CLEAR:
		124	temp &=
		125	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
		126	CU8(base + 2));
		127	base += 3;
		128	break;
		129	case ATOM_IIO_SET:
		130	temp \|=
		131	(0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base +
		132	2);
		133	base += 3;
		134	break;
		135	case ATOM_IIO_MOVE_INDEX:
		136	temp &=
		137	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
1963	serge	138	CU8(base + 3));
1117	serge	139	temp \|=
		140	((index >> CU8(base + 2)) &
		141	(0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
		142	3);
		143	base += 4;
		144	break;
		145	case ATOM_IIO_MOVE_DATA:
		146	temp &=
		147	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
1963	serge	148	CU8(base + 3));
1117	serge	149	temp \|=
		150	((data >> CU8(base + 2)) &
		151	(0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
		152	3);
		153	base += 4;
		154	break;
		155	case ATOM_IIO_MOVE_ATTR:
		156	temp &=
		157	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
1963	serge	158	CU8(base + 3));
1117	serge	159	temp \|=
		160	((ctx->
		161	io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 -
		162	CU8
		163	(base
		164	+
		165	1))))
		166	<< CU8(base + 3);
		167	base += 4;
		168	break;
		169	case ATOM_IIO_END:
		170	return temp;
		171	default:
		172	printk(KERN_INFO "Unknown IIO opcode.\n");
		173	return 0;
		174	}
		175	}
		176
		177	static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
		178	int ptr, uint32_t saved, int print)
		179	{
		180	uint32_t idx, val = 0xCDCDCDCD, align, arg;
		181	struct atom_context *gctx = ctx->ctx;
		182	arg = attr & 7;
		183	align = (attr >> 3) & 7;
		184	switch (arg) {
		185	case ATOM_ARG_REG:
		186	idx = U16(*ptr);
		187	(*ptr) += 2;
		188	if (print)
		189	DEBUG("REG[0x%04X]", idx);
		190	idx += gctx->reg_block;
		191	switch (gctx->io_mode) {
		192	case ATOM_IO_MM:
		193	val = gctx->card->reg_read(gctx->card, idx);
		194	break;
		195	case ATOM_IO_PCI:
		196	printk(KERN_INFO
		197	"PCI registers are not implemented.\n");
		198	return 0;
		199	case ATOM_IO_SYSIO:
		200	printk(KERN_INFO
		201	"SYSIO registers are not implemented.\n");
		202	return 0;
		203	default:
		204	if (!(gctx->io_mode & 0x80)) {
		205	printk(KERN_INFO "Bad IO mode.\n");
		206	return 0;
		207	}
		208	if (!gctx->iio[gctx->io_mode & 0x7F]) {
		209	printk(KERN_INFO
		210	"Undefined indirect IO read method %d.\n",
		211	gctx->io_mode & 0x7F);
		212	return 0;
		213	}
		214	val =
		215	atom_iio_execute(gctx,
		216	gctx->iio[gctx->io_mode & 0x7F],
		217	idx, 0);
		218	}
		219	break;
		220	case ATOM_ARG_PS:
		221	idx = U8(*ptr);
		222	(*ptr)++;
1428	serge	223	/* get_unaligned_le32 avoids unaligned accesses from atombios
		224	* tables, noticed on a DEC Alpha. */
		225	val = get_unaligned_le32((u32 *)&ctx->ps[idx]);
1117	serge	226	if (print)
		227	DEBUG("PS[0x%02X,0x%04X]", idx, val);
		228	break;
		229	case ATOM_ARG_WS:
		230	idx = U8(*ptr);
		231	(*ptr)++;
		232	if (print)
		233	DEBUG("WS[0x%02X]", idx);
		234	switch (idx) {
		235	case ATOM_WS_QUOTIENT:
		236	val = gctx->divmul[0];
		237	break;
		238	case ATOM_WS_REMAINDER:
		239	val = gctx->divmul[1];
		240	break;
		241	case ATOM_WS_DATAPTR:
		242	val = gctx->data_block;
		243	break;
		244	case ATOM_WS_SHIFT:
		245	val = gctx->shift;
		246	break;
		247	case ATOM_WS_OR_MASK:
		248	val = 1 << gctx->shift;
		249	break;
		250	case ATOM_WS_AND_MASK:
		251	val = ~(1 << gctx->shift);
		252	break;
		253	case ATOM_WS_FB_WINDOW:
		254	val = gctx->fb_base;
		255	break;
		256	case ATOM_WS_ATTRIBUTES:
		257	val = gctx->io_attr;
		258	break;
1403	serge	259	case ATOM_WS_REGPTR:
		260	val = gctx->reg_block;
		261	break;
1117	serge	262	default:
		263	val = ctx->ws[idx];
		264	}
		265	break;
		266	case ATOM_ARG_ID:
		267	idx = U16(*ptr);
		268	(*ptr) += 2;
		269	if (print) {
		270	if (gctx->data_block)
		271	DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block);
		272	else
		273	DEBUG("ID[0x%04X]", idx);
		274	}
		275	val = U32(idx + gctx->data_block);
		276	break;
		277	case ATOM_ARG_FB:
		278	idx = U8(*ptr);
		279	(*ptr)++;
1321	serge	280	val = gctx->scratch[((gctx->fb_base + idx) / 4)];
1117	serge	281	if (print)
		282	DEBUG("FB[0x%02X]", idx);
1321	serge	283	break;
1117	serge	284	case ATOM_ARG_IMM:
		285	switch (align) {
		286	case ATOM_SRC_DWORD:
		287	val = U32(*ptr);
		288	(*ptr) += 4;
		289	if (print)
		290	DEBUG("IMM 0x%08X\n", val);
		291	return val;
		292	case ATOM_SRC_WORD0:
		293	case ATOM_SRC_WORD8:
		294	case ATOM_SRC_WORD16:
		295	val = U16(*ptr);
		296	(*ptr) += 2;
		297	if (print)
		298	DEBUG("IMM 0x%04X\n", val);
		299	return val;
		300	case ATOM_SRC_BYTE0:
		301	case ATOM_SRC_BYTE8:
		302	case ATOM_SRC_BYTE16:
		303	case ATOM_SRC_BYTE24:
		304	val = U8(*ptr);
		305	(*ptr)++;
		306	if (print)
		307	DEBUG("IMM 0x%02X\n", val);
		308	return val;
		309	}
		310	return 0;
		311	case ATOM_ARG_PLL:
		312	idx = U8(*ptr);
		313	(*ptr)++;
		314	if (print)
		315	DEBUG("PLL[0x%02X]", idx);
		316	val = gctx->card->pll_read(gctx->card, idx);
		317	break;
		318	case ATOM_ARG_MC:
		319	idx = U8(*ptr);
		320	(*ptr)++;
		321	if (print)
		322	DEBUG("MC[0x%02X]", idx);
		323	val = gctx->card->mc_read(gctx->card, idx);
		324	break;
		325	}
		326	if (saved)
		327	*saved = val;
		328	val &= atom_arg_mask[align];
		329	val >>= atom_arg_shift[align];
		330	if (print)
		331	switch (align) {
		332	case ATOM_SRC_DWORD:
		333	DEBUG(".[31:0] -> 0x%08X\n", val);
		334	break;
		335	case ATOM_SRC_WORD0:
		336	DEBUG(".[15:0] -> 0x%04X\n", val);
		337	break;
		338	case ATOM_SRC_WORD8:
		339	DEBUG(".[23:8] -> 0x%04X\n", val);
		340	break;
		341	case ATOM_SRC_WORD16:
		342	DEBUG(".[31:16] -> 0x%04X\n", val);
		343	break;
		344	case ATOM_SRC_BYTE0:
		345	DEBUG(".[7:0] -> 0x%02X\n", val);
		346	break;
		347	case ATOM_SRC_BYTE8:
		348	DEBUG(".[15:8] -> 0x%02X\n", val);
		349	break;
		350	case ATOM_SRC_BYTE16:
		351	DEBUG(".[23:16] -> 0x%02X\n", val);
		352	break;
		353	case ATOM_SRC_BYTE24:
		354	DEBUG(".[31:24] -> 0x%02X\n", val);
		355	break;
		356	}
		357	return val;
		358	}
		359
		360	static void atom_skip_src_int(atom_exec_context ctx, uint8_t attr, int ptr)
		361	{
		362	uint32_t align = (attr >> 3) & 7, arg = attr & 7;
		363	switch (arg) {
		364	case ATOM_ARG_REG:
		365	case ATOM_ARG_ID:
		366	(*ptr) += 2;
		367	break;
		368	case ATOM_ARG_PLL:
		369	case ATOM_ARG_MC:
		370	case ATOM_ARG_PS:
		371	case ATOM_ARG_WS:
		372	case ATOM_ARG_FB:
		373	(*ptr)++;
		374	break;
		375	case ATOM_ARG_IMM:
		376	switch (align) {
		377	case ATOM_SRC_DWORD:
		378	(*ptr) += 4;
		379	return;
		380	case ATOM_SRC_WORD0:
		381	case ATOM_SRC_WORD8:
		382	case ATOM_SRC_WORD16:
		383	(*ptr) += 2;
		384	return;
		385	case ATOM_SRC_BYTE0:
		386	case ATOM_SRC_BYTE8:
		387	case ATOM_SRC_BYTE16:
		388	case ATOM_SRC_BYTE24:
		389	(*ptr)++;
		390	return;
		391	}
		392	return;
		393	}
		394	}
		395
		396	static uint32_t atom_get_src(atom_exec_context ctx, uint8_t attr, int ptr)
		397	{
		398	return atom_get_src_int(ctx, attr, ptr, NULL, 1);
		399	}
		400
1403	serge	401	static uint32_t atom_get_src_direct(atom_exec_context ctx, uint8_t align, int ptr)
		402	{
		403	uint32_t val = 0xCDCDCDCD;
		404
		405	switch (align) {
		406	case ATOM_SRC_DWORD:
		407	val = U32(*ptr);
		408	(*ptr) += 4;
		409	break;
		410	case ATOM_SRC_WORD0:
		411	case ATOM_SRC_WORD8:
		412	case ATOM_SRC_WORD16:
		413	val = U16(*ptr);
		414	(*ptr) += 2;
		415	break;
		416	case ATOM_SRC_BYTE0:
		417	case ATOM_SRC_BYTE8:
		418	case ATOM_SRC_BYTE16:
		419	case ATOM_SRC_BYTE24:
		420	val = U8(*ptr);
		421	(*ptr)++;
		422	break;
		423	}
		424	return val;
		425	}
		426
1117	serge	427	static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr,
		428	int ptr, uint32_t saved, int print)
		429	{
		430	return atom_get_src_int(ctx,
		431	arg \| atom_dst_to_src[(attr >> 3) &
		432	7][(attr >> 6) & 3] << 3,
		433	ptr, saved, print);
		434	}
		435
		436	static void atom_skip_dst(atom_exec_context ctx, int arg, uint8_t attr, int ptr)
		437	{
		438	atom_skip_src_int(ctx,
		439	arg \| atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) &
		440	3] << 3, ptr);
		441	}
		442
		443	static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
		444	int *ptr, uint32_t val, uint32_t saved)
		445	{
		446	uint32_t align =
		447	atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val =
		448	val, idx;
		449	struct atom_context *gctx = ctx->ctx;
		450	old_val &= atom_arg_mask[align] >> atom_arg_shift[align];
		451	val <<= atom_arg_shift[align];
		452	val &= atom_arg_mask[align];
		453	saved &= ~atom_arg_mask[align];
		454	val \|= saved;
		455	switch (arg) {
		456	case ATOM_ARG_REG:
		457	idx = U16(*ptr);
		458	(*ptr) += 2;
		459	DEBUG("REG[0x%04X]", idx);
		460	idx += gctx->reg_block;
		461	switch (gctx->io_mode) {
		462	case ATOM_IO_MM:
		463	if (idx == 0)
		464	gctx->card->reg_write(gctx->card, idx,
		465	val << 2);
		466	else
		467	gctx->card->reg_write(gctx->card, idx, val);
		468	break;
		469	case ATOM_IO_PCI:
		470	printk(KERN_INFO
		471	"PCI registers are not implemented.\n");
		472	return;
		473	case ATOM_IO_SYSIO:
		474	printk(KERN_INFO
		475	"SYSIO registers are not implemented.\n");
		476	return;
		477	default:
		478	if (!(gctx->io_mode & 0x80)) {
		479	printk(KERN_INFO "Bad IO mode.\n");
		480	return;
		481	}
		482	if (!gctx->iio[gctx->io_mode & 0xFF]) {
		483	printk(KERN_INFO
		484	"Undefined indirect IO write method %d.\n",
		485	gctx->io_mode & 0x7F);
		486	return;
		487	}
		488	atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF],
		489	idx, val);
		490	}
		491	break;
		492	case ATOM_ARG_PS:
		493	idx = U8(*ptr);
		494	(*ptr)++;
		495	DEBUG("PS[0x%02X]", idx);
		496	ctx->ps[idx] = cpu_to_le32(val);
		497	break;
		498	case ATOM_ARG_WS:
		499	idx = U8(*ptr);
		500	(*ptr)++;
		501	DEBUG("WS[0x%02X]", idx);
		502	switch (idx) {
		503	case ATOM_WS_QUOTIENT:
		504	gctx->divmul[0] = val;
		505	break;
		506	case ATOM_WS_REMAINDER:
		507	gctx->divmul[1] = val;
		508	break;
		509	case ATOM_WS_DATAPTR:
		510	gctx->data_block = val;
		511	break;
		512	case ATOM_WS_SHIFT:
		513	gctx->shift = val;
		514	break;
		515	case ATOM_WS_OR_MASK:
		516	case ATOM_WS_AND_MASK:
		517	break;
		518	case ATOM_WS_FB_WINDOW:
		519	gctx->fb_base = val;
		520	break;
		521	case ATOM_WS_ATTRIBUTES:
		522	gctx->io_attr = val;
		523	break;
1403	serge	524	case ATOM_WS_REGPTR:
		525	gctx->reg_block = val;
		526	break;
1117	serge	527	default:
		528	ctx->ws[idx] = val;
		529	}
		530	break;
		531	case ATOM_ARG_FB:
		532	idx = U8(*ptr);
		533	(*ptr)++;
1321	serge	534	gctx->scratch[((gctx->fb_base + idx) / 4)] = val;
1117	serge	535	DEBUG("FB[0x%02X]", idx);
1321	serge	536	break;
1117	serge	537	case ATOM_ARG_PLL:
		538	idx = U8(*ptr);
		539	(*ptr)++;
		540	DEBUG("PLL[0x%02X]", idx);
		541	gctx->card->pll_write(gctx->card, idx, val);
		542	break;
		543	case ATOM_ARG_MC:
		544	idx = U8(*ptr);
		545	(*ptr)++;
		546	DEBUG("MC[0x%02X]", idx);
		547	gctx->card->mc_write(gctx->card, idx, val);
		548	return;
		549	}
		550	switch (align) {
		551	case ATOM_SRC_DWORD:
		552	DEBUG(".[31:0] <- 0x%08X\n", old_val);
		553	break;
		554	case ATOM_SRC_WORD0:
		555	DEBUG(".[15:0] <- 0x%04X\n", old_val);
		556	break;
		557	case ATOM_SRC_WORD8:
		558	DEBUG(".[23:8] <- 0x%04X\n", old_val);
		559	break;
		560	case ATOM_SRC_WORD16:
		561	DEBUG(".[31:16] <- 0x%04X\n", old_val);
		562	break;
		563	case ATOM_SRC_BYTE0:
		564	DEBUG(".[7:0] <- 0x%02X\n", old_val);
		565	break;
		566	case ATOM_SRC_BYTE8:
		567	DEBUG(".[15:8] <- 0x%02X\n", old_val);
		568	break;
		569	case ATOM_SRC_BYTE16:
		570	DEBUG(".[23:16] <- 0x%02X\n", old_val);
		571	break;
		572	case ATOM_SRC_BYTE24:
		573	DEBUG(".[31:24] <- 0x%02X\n", old_val);
		574	break;
		575	}
		576	}
		577
		578	static void atom_op_add(atom_exec_context ctx, int ptr, int arg)
		579	{
		580	uint8_t attr = U8((*ptr)++);
		581	uint32_t dst, src, saved;
		582	int dptr = *ptr;
		583	SDEBUG(" dst: ");
		584	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		585	SDEBUG(" src: ");
		586	src = atom_get_src(ctx, attr, ptr);
		587	dst += src;
		588	SDEBUG(" dst: ");
		589	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		590	}
		591
		592	static void atom_op_and(atom_exec_context ctx, int ptr, int arg)
		593	{
		594	uint8_t attr = U8((*ptr)++);
		595	uint32_t dst, src, saved;
		596	int dptr = *ptr;
		597	SDEBUG(" dst: ");
		598	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		599	SDEBUG(" src: ");
		600	src = atom_get_src(ctx, attr, ptr);
		601	dst &= src;
		602	SDEBUG(" dst: ");
		603	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		604	}
		605
		606	static void atom_op_beep(atom_exec_context ctx, int ptr, int arg)
		607	{
		608	printk("ATOM BIOS beeped!\n");
		609	}
		610
		611	static void atom_op_calltable(atom_exec_context ctx, int ptr, int arg)
		612	{
		613	int idx = U8((*ptr)++);
1963	serge	614	int r = 0;
		615
1117	serge	616	if (idx < ATOM_TABLE_NAMES_CNT)
		617	SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]);
		618	else
		619	SDEBUG(" table: %d\n", idx);
		620	if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
1963	serge	621	r = atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
		622	if (r) {
		623	ctx->abort = true;
		624	}
1117	serge	625	}
		626
		627	static void atom_op_clear(atom_exec_context ctx, int ptr, int arg)
		628	{
		629	uint8_t attr = U8((*ptr)++);
		630	uint32_t saved;
		631	int dptr = *ptr;
		632	attr &= 0x38;
		633	attr \|= atom_def_dst[attr >> 3] << 6;
		634	atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
		635	SDEBUG(" dst: ");
		636	atom_put_dst(ctx, arg, attr, &dptr, 0, saved);
		637	}
		638
		639	static void atom_op_compare(atom_exec_context ctx, int ptr, int arg)
		640	{
		641	uint8_t attr = U8((*ptr)++);
		642	uint32_t dst, src;
		643	SDEBUG(" src1: ");
		644	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		645	SDEBUG(" src2: ");
		646	src = atom_get_src(ctx, attr, ptr);
		647	ctx->ctx->cs_equal = (dst == src);
		648	ctx->ctx->cs_above = (dst > src);
		649	SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE",
		650	ctx->ctx->cs_above ? "GT" : "LE");
		651	}
		652
		653	static void atom_op_delay(atom_exec_context ctx, int ptr, int arg)
		654	{
1963	serge	655	unsigned count = U8((*ptr)++);
1117	serge	656	SDEBUG(" count: %d\n", count);
1119	serge	657	if (arg == ATOM_UNIT_MICROSEC)
		658	udelay(count);
		659	else
1963	serge	660	msleep(count);
1117	serge	661	}
		662
		663	static void atom_op_div(atom_exec_context ctx, int ptr, int arg)
		664	{
		665	uint8_t attr = U8((*ptr)++);
		666	uint32_t dst, src;
		667	SDEBUG(" src1: ");
		668	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		669	SDEBUG(" src2: ");
		670	src = atom_get_src(ctx, attr, ptr);
		671	if (src != 0) {
		672	ctx->ctx->divmul[0] = dst / src;
		673	ctx->ctx->divmul[1] = dst % src;
		674	} else {
		675	ctx->ctx->divmul[0] = 0;
		676	ctx->ctx->divmul[1] = 0;
		677	}
		678	}
		679
		680	static void atom_op_eot(atom_exec_context ctx, int ptr, int arg)
		681	{
		682	/* functionally, a nop */
		683	}
		684
		685	static void atom_op_jump(atom_exec_context ctx, int ptr, int arg)
		686	{
		687	int execute = 0, target = U16(*ptr);
1963	serge	688	unsigned long cjiffies;
		689
1117	serge	690	(*ptr) += 2;
		691	switch (arg) {
		692	case ATOM_COND_ABOVE:
		693	execute = ctx->ctx->cs_above;
		694	break;
		695	case ATOM_COND_ABOVEOREQUAL:
		696	execute = ctx->ctx->cs_above \|\| ctx->ctx->cs_equal;
		697	break;
		698	case ATOM_COND_ALWAYS:
		699	execute = 1;
		700	break;
		701	case ATOM_COND_BELOW:
		702	execute = !(ctx->ctx->cs_above \|\| ctx->ctx->cs_equal);
		703	break;
		704	case ATOM_COND_BELOWOREQUAL:
		705	execute = !ctx->ctx->cs_above;
		706	break;
		707	case ATOM_COND_EQUAL:
		708	execute = ctx->ctx->cs_equal;
		709	break;
		710	case ATOM_COND_NOTEQUAL:
		711	execute = !ctx->ctx->cs_equal;
		712	break;
		713	}
		714	if (arg != ATOM_COND_ALWAYS)
		715	SDEBUG(" taken: %s\n", execute ? "yes" : "no");
		716	SDEBUG(" target: 0x%04X\n", target);
		717	if (execute)
		718	*ptr = ctx->start + target;
		719	}
		720
		721	static void atom_op_mask(atom_exec_context ctx, int ptr, int arg)
		722	{
		723	uint8_t attr = U8((*ptr)++);
1963	serge	724	uint32_t dst, mask, src, saved;
1117	serge	725	int dptr = *ptr;
		726	SDEBUG(" dst: ");
		727	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
1963	serge	728	mask = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr);
		729	SDEBUG(" mask: 0x%08x", mask);
		730	SDEBUG(" src: ");
		731	src = atom_get_src(ctx, attr, ptr);
		732	dst &= mask;
		733	dst \|= src;
1117	serge	734	SDEBUG(" dst: ");
		735	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		736	}
		737
		738	static void atom_op_move(atom_exec_context ctx, int ptr, int arg)
		739	{
		740	uint8_t attr = U8((*ptr)++);
		741	uint32_t src, saved;
		742	int dptr = *ptr;
		743	if (((attr >> 3) & 7) != ATOM_SRC_DWORD)
		744	atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
		745	else {
		746	atom_skip_dst(ctx, arg, attr, ptr);
		747	saved = 0xCDCDCDCD;
		748	}
		749	SDEBUG(" src: ");
		750	src = atom_get_src(ctx, attr, ptr);
		751	SDEBUG(" dst: ");
		752	atom_put_dst(ctx, arg, attr, &dptr, src, saved);
		753	}
		754
		755	static void atom_op_mul(atom_exec_context ctx, int ptr, int arg)
		756	{
		757	uint8_t attr = U8((*ptr)++);
		758	uint32_t dst, src;
		759	SDEBUG(" src1: ");
		760	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		761	SDEBUG(" src2: ");
		762	src = atom_get_src(ctx, attr, ptr);
		763	ctx->ctx->divmul[0] = dst * src;
		764	}
		765
		766	static void atom_op_nop(atom_exec_context ctx, int ptr, int arg)
		767	{
		768	/* nothing */
		769	}
		770
		771	static void atom_op_or(atom_exec_context ctx, int ptr, int arg)
		772	{
		773	uint8_t attr = U8((*ptr)++);
		774	uint32_t dst, src, saved;
		775	int dptr = *ptr;
		776	SDEBUG(" dst: ");
		777	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		778	SDEBUG(" src: ");
		779	src = atom_get_src(ctx, attr, ptr);
		780	dst \|= src;
		781	SDEBUG(" dst: ");
		782	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		783	}
		784
		785	static void atom_op_postcard(atom_exec_context ctx, int ptr, int arg)
		786	{
		787	uint8_t val = U8((*ptr)++);
		788	SDEBUG("POST card output: 0x%02X\n", val);
		789	}
		790
		791	static void atom_op_repeat(atom_exec_context ctx, int ptr, int arg)
		792	{
		793	printk(KERN_INFO "unimplemented!\n");
		794	}
		795
		796	static void atom_op_restorereg(atom_exec_context ctx, int ptr, int arg)
		797	{
		798	printk(KERN_INFO "unimplemented!\n");
		799	}
		800
		801	static void atom_op_savereg(atom_exec_context ctx, int ptr, int arg)
		802	{
		803	printk(KERN_INFO "unimplemented!\n");
		804	}
		805
		806	static void atom_op_setdatablock(atom_exec_context ctx, int ptr, int arg)
		807	{
		808	int idx = U8(*ptr);
		809	(*ptr)++;
		810	SDEBUG(" block: %d\n", idx);
		811	if (!idx)
		812	ctx->ctx->data_block = 0;
		813	else if (idx == 255)
		814	ctx->ctx->data_block = ctx->start;
		815	else
		816	ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx);
		817	SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block);
		818	}
		819
		820	static void atom_op_setfbbase(atom_exec_context ctx, int ptr, int arg)
		821	{
		822	uint8_t attr = U8((*ptr)++);
		823	SDEBUG(" fb_base: ");
		824	ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr);
		825	}
		826
		827	static void atom_op_setport(atom_exec_context ctx, int ptr, int arg)
		828	{
		829	int port;
		830	switch (arg) {
		831	case ATOM_PORT_ATI:
		832	port = U16(*ptr);
		833	if (port < ATOM_IO_NAMES_CNT)
		834	SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]);
		835	else
		836	SDEBUG(" port: %d\n", port);
		837	if (!port)
		838	ctx->ctx->io_mode = ATOM_IO_MM;
		839	else
		840	ctx->ctx->io_mode = ATOM_IO_IIO \| port;
		841	(*ptr) += 2;
		842	break;
		843	case ATOM_PORT_PCI:
		844	ctx->ctx->io_mode = ATOM_IO_PCI;
		845	(*ptr)++;
		846	break;
		847	case ATOM_PORT_SYSIO:
		848	ctx->ctx->io_mode = ATOM_IO_SYSIO;
		849	(*ptr)++;
		850	break;
		851	}
		852	}
		853
		854	static void atom_op_setregblock(atom_exec_context ctx, int ptr, int arg)
		855	{
		856	ctx->ctx->reg_block = U16(*ptr);
		857	(*ptr) += 2;
		858	SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
		859	}
		860
1403	serge	861	static void atom_op_shift_left(atom_exec_context ctx, int ptr, int arg)
		862	{
		863	uint8_t attr = U8((*ptr)++), shift;
		864	uint32_t saved, dst;
		865	int dptr = *ptr;
		866	attr &= 0x38;
		867	attr \|= atom_def_dst[attr >> 3] << 6;
		868	SDEBUG(" dst: ");
		869	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		870	shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
		871	SDEBUG(" shift: %d\n", shift);
		872	dst <<= shift;
		873	SDEBUG(" dst: ");
		874	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		875	}
		876
		877	static void atom_op_shift_right(atom_exec_context ctx, int ptr, int arg)
		878	{
		879	uint8_t attr = U8((*ptr)++), shift;
		880	uint32_t saved, dst;
		881	int dptr = *ptr;
		882	attr &= 0x38;
		883	attr \|= atom_def_dst[attr >> 3] << 6;
		884	SDEBUG(" dst: ");
		885	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		886	shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
		887	SDEBUG(" shift: %d\n", shift);
		888	dst >>= shift;
		889	SDEBUG(" dst: ");
		890	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		891	}
		892
1117	serge	893	static void atom_op_shl(atom_exec_context ctx, int ptr, int arg)
		894	{
		895	uint8_t attr = U8((*ptr)++), shift;
		896	uint32_t saved, dst;
		897	int dptr = *ptr;
1963	serge	898	uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3];
1117	serge	899	SDEBUG(" dst: ");
		900	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
1963	serge	901	/* op needs to full dst value */
		902	dst = saved;
1403	serge	903	shift = atom_get_src(ctx, attr, ptr);
1117	serge	904	SDEBUG(" shift: %d\n", shift);
		905	dst <<= shift;
1963	serge	906	dst &= atom_arg_mask[dst_align];
		907	dst >>= atom_arg_shift[dst_align];
1117	serge	908	SDEBUG(" dst: ");
		909	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		910	}
		911
		912	static void atom_op_shr(atom_exec_context ctx, int ptr, int arg)
		913	{
		914	uint8_t attr = U8((*ptr)++), shift;
		915	uint32_t saved, dst;
		916	int dptr = *ptr;
1963	serge	917	uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3];
1117	serge	918	SDEBUG(" dst: ");
		919	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
1963	serge	920	/* op needs to full dst value */
		921	dst = saved;
1403	serge	922	shift = atom_get_src(ctx, attr, ptr);
1117	serge	923	SDEBUG(" shift: %d\n", shift);
		924	dst >>= shift;
1963	serge	925	dst &= atom_arg_mask[dst_align];
		926	dst >>= atom_arg_shift[dst_align];
1117	serge	927	SDEBUG(" dst: ");
		928	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		929	}
		930
		931	static void atom_op_sub(atom_exec_context ctx, int ptr, int arg)
		932	{
		933	uint8_t attr = U8((*ptr)++);
		934	uint32_t dst, src, saved;
		935	int dptr = *ptr;
		936	SDEBUG(" dst: ");
		937	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		938	SDEBUG(" src: ");
		939	src = atom_get_src(ctx, attr, ptr);
		940	dst -= src;
		941	SDEBUG(" dst: ");
		942	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		943	}
		944
		945	static void atom_op_switch(atom_exec_context ctx, int ptr, int arg)
		946	{
		947	uint8_t attr = U8((*ptr)++);
		948	uint32_t src, val, target;
		949	SDEBUG(" switch: ");
		950	src = atom_get_src(ctx, attr, ptr);
		951	while (U16(*ptr) != ATOM_CASE_END)
		952	if (U8(*ptr) == ATOM_CASE_MAGIC) {
		953	(*ptr)++;
		954	SDEBUG(" case: ");
		955	val =
		956	atom_get_src(ctx, (attr & 0x38) \| ATOM_ARG_IMM,
		957	ptr);
		958	target = U16(*ptr);
		959	if (val == src) {
		960	SDEBUG(" target: %04X\n", target);
		961	*ptr = ctx->start + target;
		962	return;
		963	}
		964	(*ptr) += 2;
		965	} else {
		966	printk(KERN_INFO "Bad case.\n");
		967	return;
		968	}
		969	(*ptr) += 2;
		970	}
		971
		972	static void atom_op_test(atom_exec_context ctx, int ptr, int arg)
		973	{
		974	uint8_t attr = U8((*ptr)++);
		975	uint32_t dst, src;
		976	SDEBUG(" src1: ");
		977	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		978	SDEBUG(" src2: ");
		979	src = atom_get_src(ctx, attr, ptr);
		980	ctx->ctx->cs_equal = ((dst & src) == 0);
		981	SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE");
		982	}
		983
		984	static void atom_op_xor(atom_exec_context ctx, int ptr, int arg)
		985	{
		986	uint8_t attr = U8((*ptr)++);
		987	uint32_t dst, src, saved;
		988	int dptr = *ptr;
		989	SDEBUG(" dst: ");
		990	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		991	SDEBUG(" src: ");
		992	src = atom_get_src(ctx, attr, ptr);
		993	dst ^= src;
		994	SDEBUG(" dst: ");
		995	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		996	}
		997
		998	static void atom_op_debug(atom_exec_context ctx, int ptr, int arg)
		999	{
		1000	printk(KERN_INFO "unimplemented!\n");
		1001	}
		1002
		1003	static struct {
		1004	void (func) (atom_exec_context , int *, int);
		1005	int arg;
		1006	} opcode_table[ATOM_OP_CNT] = {
		1007	{
		1008	NULL, 0}, {
		1009	atom_op_move, ATOM_ARG_REG}, {
		1010	atom_op_move, ATOM_ARG_PS}, {
		1011	atom_op_move, ATOM_ARG_WS}, {
		1012	atom_op_move, ATOM_ARG_FB}, {
		1013	atom_op_move, ATOM_ARG_PLL}, {
		1014	atom_op_move, ATOM_ARG_MC}, {
		1015	atom_op_and, ATOM_ARG_REG}, {
		1016	atom_op_and, ATOM_ARG_PS}, {
		1017	atom_op_and, ATOM_ARG_WS}, {
		1018	atom_op_and, ATOM_ARG_FB}, {
		1019	atom_op_and, ATOM_ARG_PLL}, {
		1020	atom_op_and, ATOM_ARG_MC}, {
		1021	atom_op_or, ATOM_ARG_REG}, {
		1022	atom_op_or, ATOM_ARG_PS}, {
		1023	atom_op_or, ATOM_ARG_WS}, {
		1024	atom_op_or, ATOM_ARG_FB}, {
		1025	atom_op_or, ATOM_ARG_PLL}, {
		1026	atom_op_or, ATOM_ARG_MC}, {
1403	serge	1027	atom_op_shift_left, ATOM_ARG_REG}, {
		1028	atom_op_shift_left, ATOM_ARG_PS}, {
		1029	atom_op_shift_left, ATOM_ARG_WS}, {
		1030	atom_op_shift_left, ATOM_ARG_FB}, {
		1031	atom_op_shift_left, ATOM_ARG_PLL}, {
		1032	atom_op_shift_left, ATOM_ARG_MC}, {
		1033	atom_op_shift_right, ATOM_ARG_REG}, {
		1034	atom_op_shift_right, ATOM_ARG_PS}, {
		1035	atom_op_shift_right, ATOM_ARG_WS}, {
		1036	atom_op_shift_right, ATOM_ARG_FB}, {
		1037	atom_op_shift_right, ATOM_ARG_PLL}, {
		1038	atom_op_shift_right, ATOM_ARG_MC}, {
1117	serge	1039	atom_op_mul, ATOM_ARG_REG}, {
		1040	atom_op_mul, ATOM_ARG_PS}, {
		1041	atom_op_mul, ATOM_ARG_WS}, {
		1042	atom_op_mul, ATOM_ARG_FB}, {
		1043	atom_op_mul, ATOM_ARG_PLL}, {
		1044	atom_op_mul, ATOM_ARG_MC}, {
		1045	atom_op_div, ATOM_ARG_REG}, {
		1046	atom_op_div, ATOM_ARG_PS}, {
		1047	atom_op_div, ATOM_ARG_WS}, {
		1048	atom_op_div, ATOM_ARG_FB}, {
		1049	atom_op_div, ATOM_ARG_PLL}, {
		1050	atom_op_div, ATOM_ARG_MC}, {
		1051	atom_op_add, ATOM_ARG_REG}, {
		1052	atom_op_add, ATOM_ARG_PS}, {
		1053	atom_op_add, ATOM_ARG_WS}, {
		1054	atom_op_add, ATOM_ARG_FB}, {
		1055	atom_op_add, ATOM_ARG_PLL}, {
		1056	atom_op_add, ATOM_ARG_MC}, {
		1057	atom_op_sub, ATOM_ARG_REG}, {
		1058	atom_op_sub, ATOM_ARG_PS}, {
		1059	atom_op_sub, ATOM_ARG_WS}, {
		1060	atom_op_sub, ATOM_ARG_FB}, {
		1061	atom_op_sub, ATOM_ARG_PLL}, {
		1062	atom_op_sub, ATOM_ARG_MC}, {
		1063	atom_op_setport, ATOM_PORT_ATI}, {
		1064	atom_op_setport, ATOM_PORT_PCI}, {
		1065	atom_op_setport, ATOM_PORT_SYSIO}, {
		1066	atom_op_setregblock, 0}, {
		1067	atom_op_setfbbase, 0}, {
		1068	atom_op_compare, ATOM_ARG_REG}, {
		1069	atom_op_compare, ATOM_ARG_PS}, {
		1070	atom_op_compare, ATOM_ARG_WS}, {
		1071	atom_op_compare, ATOM_ARG_FB}, {
		1072	atom_op_compare, ATOM_ARG_PLL}, {
		1073	atom_op_compare, ATOM_ARG_MC}, {
		1074	atom_op_switch, 0}, {
		1075	atom_op_jump, ATOM_COND_ALWAYS}, {
		1076	atom_op_jump, ATOM_COND_EQUAL}, {
		1077	atom_op_jump, ATOM_COND_BELOW}, {
		1078	atom_op_jump, ATOM_COND_ABOVE}, {
		1079	atom_op_jump, ATOM_COND_BELOWOREQUAL}, {
		1080	atom_op_jump, ATOM_COND_ABOVEOREQUAL}, {
		1081	atom_op_jump, ATOM_COND_NOTEQUAL}, {
		1082	atom_op_test, ATOM_ARG_REG}, {
		1083	atom_op_test, ATOM_ARG_PS}, {
		1084	atom_op_test, ATOM_ARG_WS}, {
		1085	atom_op_test, ATOM_ARG_FB}, {
		1086	atom_op_test, ATOM_ARG_PLL}, {
		1087	atom_op_test, ATOM_ARG_MC}, {
		1088	atom_op_delay, ATOM_UNIT_MILLISEC}, {
		1089	atom_op_delay, ATOM_UNIT_MICROSEC}, {
		1090	atom_op_calltable, 0}, {
		1091	atom_op_repeat, 0}, {
		1092	atom_op_clear, ATOM_ARG_REG}, {
		1093	atom_op_clear, ATOM_ARG_PS}, {
		1094	atom_op_clear, ATOM_ARG_WS}, {
		1095	atom_op_clear, ATOM_ARG_FB}, {
		1096	atom_op_clear, ATOM_ARG_PLL}, {
		1097	atom_op_clear, ATOM_ARG_MC}, {
		1098	atom_op_nop, 0}, {
		1099	atom_op_eot, 0}, {
		1100	atom_op_mask, ATOM_ARG_REG}, {
		1101	atom_op_mask, ATOM_ARG_PS}, {
		1102	atom_op_mask, ATOM_ARG_WS}, {
		1103	atom_op_mask, ATOM_ARG_FB}, {
		1104	atom_op_mask, ATOM_ARG_PLL}, {
		1105	atom_op_mask, ATOM_ARG_MC}, {
		1106	atom_op_postcard, 0}, {
		1107	atom_op_beep, 0}, {
		1108	atom_op_savereg, 0}, {
		1109	atom_op_restorereg, 0}, {
		1110	atom_op_setdatablock, 0}, {
		1111	atom_op_xor, ATOM_ARG_REG}, {
		1112	atom_op_xor, ATOM_ARG_PS}, {
		1113	atom_op_xor, ATOM_ARG_WS}, {
		1114	atom_op_xor, ATOM_ARG_FB}, {
		1115	atom_op_xor, ATOM_ARG_PLL}, {
		1116	atom_op_xor, ATOM_ARG_MC}, {
		1117	atom_op_shl, ATOM_ARG_REG}, {
		1118	atom_op_shl, ATOM_ARG_PS}, {
		1119	atom_op_shl, ATOM_ARG_WS}, {
		1120	atom_op_shl, ATOM_ARG_FB}, {
		1121	atom_op_shl, ATOM_ARG_PLL}, {
		1122	atom_op_shl, ATOM_ARG_MC}, {
		1123	atom_op_shr, ATOM_ARG_REG}, {
		1124	atom_op_shr, ATOM_ARG_PS}, {
		1125	atom_op_shr, ATOM_ARG_WS}, {
		1126	atom_op_shr, ATOM_ARG_FB}, {
		1127	atom_op_shr, ATOM_ARG_PLL}, {
		1128	atom_op_shr, ATOM_ARG_MC}, {
		1129	atom_op_debug, 0},};
		1130
1963	serge	1131	static int atom_execute_table_locked(struct atom_context ctx, int index, uint32_t params)
1117	serge	1132	{
		1133	int base = CU16(ctx->cmd_table + 4 + 2 * index);
		1134	int len, ws, ps, ptr;
		1135	unsigned char op;
		1136	atom_exec_context ectx;
1963	serge	1137	int ret = 0;
1117	serge	1138
		1139	if (!base)
1963	serge	1140	return -EINVAL;
1117	serge	1141
		1142	len = CU16(base + ATOM_CT_SIZE_PTR);
		1143	ws = CU8(base + ATOM_CT_WS_PTR);
		1144	ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK;
		1145	ptr = base + ATOM_CT_CODE_PTR;
		1146
		1147	SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
		1148
		1149	ectx.ctx = ctx;
		1150	ectx.ps_shift = ps / 4;
		1151	ectx.start = base;
		1152	ectx.ps = params;
1963	serge	1153	ectx.abort = false;
		1154	ectx.last_jump = 0;
1117	serge	1155	if (ws)
		1156	ectx.ws = kzalloc(4 * ws, GFP_KERNEL);
		1157	else
		1158	ectx.ws = NULL;
		1159
		1160	debug_depth++;
		1161	while (1) {
		1162	op = CU8(ptr++);
		1163	if (op < ATOM_OP_NAMES_CNT)
		1164	SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1);
		1165	else
		1166	SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1);
1963	serge	1167	if (ectx.abort) {
		1168	DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n",
		1169	base, len, ws, ps, ptr - 1);
		1170	ret = -EINVAL;
		1171	goto free;
		1172	}
1117	serge	1173
		1174	if (op < ATOM_OP_CNT && op > 0)
		1175	opcode_table[op].func(&ectx, &ptr,
		1176	opcode_table[op].arg);
		1177	else
		1178	break;
		1179
		1180	if (op == ATOM_OP_EOT)
		1181	break;
		1182	}
		1183	debug_depth--;
		1184	SDEBUG("<<\n");
		1185
1963	serge	1186	free:
1117	serge	1187	if (ws)
		1188	kfree(ectx.ws);
1963	serge	1189	return ret;
1117	serge	1190	}
		1191
1963	serge	1192	int atom_execute_table(struct atom_context ctx, int index, uint32_t params)
1403	serge	1193	{
1963	serge	1194	int r;
		1195
1403	serge	1196	mutex_lock(&ctx->mutex);
		1197	/* reset reg block */
		1198	ctx->reg_block = 0;
		1199	/* reset fb window */
		1200	ctx->fb_base = 0;
		1201	/* reset io mode */
		1202	ctx->io_mode = ATOM_IO_MM;
1963	serge	1203	r = atom_execute_table_locked(ctx, index, params);
1403	serge	1204	mutex_unlock(&ctx->mutex);
1963	serge	1205	return r;
1403	serge	1206	}
		1207
1117	serge	1208	static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
		1209
		1210	static void atom_index_iio(struct atom_context *ctx, int base)
		1211	{
		1212	ctx->iio = kzalloc(2 * 256, GFP_KERNEL);
		1213	while (CU8(base) == ATOM_IIO_START) {
		1214	ctx->iio[CU8(base + 1)] = base + 2;
		1215	base += 2;
		1216	while (CU8(base) != ATOM_IIO_END)
		1217	base += atom_iio_len[CU8(base)];
		1218	base += 3;
		1219	}
		1220	}
		1221
		1222	struct atom_context atom_parse(struct card_info card, void *bios)
		1223	{
		1224	int base;
		1225	struct atom_context *ctx =
		1226	kzalloc(sizeof(struct atom_context), GFP_KERNEL);
		1227	char *str;
		1228	char name[512];
		1229	int i;
		1230
2160	serge	1231	if (!ctx)
		1232	return NULL;
		1233
1117	serge	1234	ctx->card = card;
		1235	ctx->bios = bios;
		1236
		1237	if (CU16(0) != ATOM_BIOS_MAGIC) {
		1238	printk(KERN_INFO "Invalid BIOS magic.\n");
		1239	kfree(ctx);
		1240	return NULL;
		1241	}
		1242	if (strncmp
		1243	(CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC,
		1244	strlen(ATOM_ATI_MAGIC))) {
		1245	printk(KERN_INFO "Invalid ATI magic.\n");
		1246	kfree(ctx);
		1247	return NULL;
		1248	}
		1249
		1250	base = CU16(ATOM_ROM_TABLE_PTR);
		1251	if (strncmp
		1252	(CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC,
		1253	strlen(ATOM_ROM_MAGIC))) {
		1254	printk(KERN_INFO "Invalid ATOM magic.\n");
		1255	kfree(ctx);
		1256	return NULL;
		1257	}
		1258
		1259	ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR);
		1260	ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR);
		1261	atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4);
		1262
		1263	str = CSTR(CU16(base + ATOM_ROM_MSG_PTR));
		1264	while (str && ((str == '\n') \|\| (*str == '\r')))
		1265	str++;
		1266	/* name string isn't always 0 terminated */
		1267	for (i = 0; i < 511; i++) {
		1268	name[i] = str[i];
		1269	if (name[i] < '.' \|\| name[i] > 'z') {
		1270	name[i] = 0;
		1271	break;
		1272	}
		1273	}
		1274	printk(KERN_INFO "ATOM BIOS: %s\n", name);
		1275
		1276	return ctx;
		1277	}
		1278
		1279	int atom_asic_init(struct atom_context *ctx)
		1280	{
		1281	int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
		1282	uint32_t ps[16];
		1283	memset(ps, 0, 64);
		1284
		1285	ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
		1286	ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR));
		1287	if (!ps[0] \|\| !ps[1])
		1288	return 1;
		1289
		1290	if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
		1291	return 1;
1963	serge	1292	return atom_execute_table(ctx, ATOM_CMD_INIT, ps);
1117	serge	1293	}
		1294
		1295	void atom_destroy(struct atom_context *ctx)
		1296	{
		1297	if (ctx->iio)
		1298	kfree(ctx->iio);
		1299	kfree(ctx);
		1300	}
		1301
1963	serge	1302	bool atom_parse_data_header(struct atom_context *ctx, int index,
1117	serge	1303	uint16_t * size, uint8_t * frev, uint8_t * crev,
		1304	uint16_t * data_start)
		1305	{
		1306	int offset = index * 2 + 4;
		1307	int idx = CU16(ctx->data_table + offset);
1963	serge	1308	u16 mdt = (u16 )(ctx->bios + ctx->data_table + 4);
1117	serge	1309
1963	serge	1310	if (!mdt[index])
		1311	return false;
		1312
1117	serge	1313	if (size)
		1314	*size = CU16(idx);
		1315	if (frev)
		1316	*frev = CU8(idx + 2);
		1317	if (crev)
		1318	*crev = CU8(idx + 3);
		1319	*data_start = idx;
1963	serge	1320	return true;
1117	serge	1321	}
		1322
1963	serge	1323	bool atom_parse_cmd_header(struct atom_context ctx, int index, uint8_t frev,
1117	serge	1324	uint8_t * crev)
		1325	{
		1326	int offset = index * 2 + 4;
		1327	int idx = CU16(ctx->cmd_table + offset);
1963	serge	1328	u16 mct = (u16 )(ctx->bios + ctx->cmd_table + 4);
1117	serge	1329
1963	serge	1330	if (!mct[index])
		1331	return false;
		1332
1117	serge	1333	if (frev)
		1334	*frev = CU8(idx + 2);
		1335	if (crev)
		1336	*crev = CU8(idx + 3);
1963	serge	1337	return true;
1117	serge	1338	}
1321	serge	1339
		1340	int atom_allocate_fb_scratch(struct atom_context *ctx)
		1341	{
		1342	int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
		1343	uint16_t data_offset;
1963	serge	1344	int usage_bytes = 0;
1321	serge	1345	struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
		1346
1963	serge	1347	if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
1321	serge	1348	firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
		1349
		1350	DRM_DEBUG("atom firmware requested %08x %dkb\n",
		1351	firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
		1352	firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
		1353
		1354	usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
1963	serge	1355	}
1321	serge	1356	if (usage_bytes == 0)
		1357	usage_bytes = 20 * 1024;
		1358	/* allocate some scratch memory */
		1359	ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
		1360	if (!ctx->scratch)
		1361	return -ENOMEM;
		1362	return 0;
		1363	}

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/radeon/atom.c – Rev 2160